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Патент USA US2406642

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Aug; 27, 1946._ -
2,406,64
A. J. SIGNORET
_YARN PRODUCTIOIII
Filed Feb.- 12, 1943
3 Sheets-Sheet l
h i ' h l mno
Amwonuuou-5\1-
5
::
INVENTOR
Albei'iJlS'q'gnorei "
WATTORNEY
Mp“..
BY
56
v
4
.
'
Patented Aug. 27, 1946
2,406,642
‘UNITED STATES PATENT orrlcs
YARN PRODUCTION
Albert J. Signoret, New York, N. Y., assignor to
American Safety Razor Corporation, Brooklyn,
N. Y., a corporation of Virginia
Application February 12, 1943, Serial No. 475,617
8 Claims.
(01. 19»—-129)
1
2
My present invention relates to the production
of yarn comprised of short ?lamentary lengths
combed, attenuated and compacted as, in the
preliminary gill, box to reconstitute this web as
and more particularly its production from‘ ?la-'
a sliver.
ments which are of relatively extended or con
peated as often as. desired or required.
tinuous length.
.
My invention has been developed speci?cally
Cr:
These gilling operations may be. re
'
For purposes of‘ convenience of reference the
term “sliver” will be applied to the extended un
for the; production of yarn from arti?cially pro
I twisted; length comprised of a plurality of con
duced ?laments of which rayon is an example
tinuous or extended ?laments and the expression
and; therefore will be disclosedv in that connec
“reconstituted slivers” will be applied to the un_
tion; Features of my invention however have a 10 twisted extended- l'engths comprised of‘short sta
practical application, in- the production of yarns
ple lengths e?‘eoted by a guillotining operation and
from natural ?bers or ?laments and are there,
fore not to be construed as limited by the manner
of disclosure of my invention unless called for
the subsequent reconstitution of ' these ‘short sta
ple lengths into sliver form.
I I will here premise, that: I_ have attained the
by express language of the claims or by the prior 15 ?rst object of my invention by‘ reducing the con
art.
tinuous ?laments of which a sliver is comprised
Broadly stated, the general objects of my inven
to short staple lengths during and as partof and
tion are: (a) the simpli?cation in- the process;
simultaneously with a gilling operation and pref
(b) simpli?cation of and’ reduction» in the ap
erably that referred to as the intermediate one.
paratusl required‘; and (c) the production of a 20 I thus‘ eliminate the guillotining operation and
superior yarn.
1
Syntheticallyproduced ?laments are formed by
extruding into ?xing‘ baths and the like a viscous
mass’ through the small openings or'spinerettes,
the ?laments whenformed being generally dis-.
posed of, by being wound on, bobbins. A number
of the ?laments are then brought together to’
form a thick rope-like continuous length, gen
erally termed a sliver and comprised of'?laments
the subsequent operations whereby the contins
uous' short staple lengths are reconstituted into
slivers and» in my preferred process, the subse
quent procedures of preliminary gilling and. of'
then combing;-this simpli?ed procedure dispenses
with suchportions of’ the apparatus as are now"
employed. to perform operations which‘ are elimi
nated thereby; the resulting re-orientation in the
procedure and the apparatus employed by me
of extended or continuous length. In the gen 30.. herein, attains improved results other than mere
eral practice this sliver'is subjected to a guillotin
simpli?cation inv the process, including an im
ing operation. which chops the group of ?laments
proved product thus attaining the third objective
of which it is comprised into‘ a conglomerate mass
of my'invention.
of‘ short staples of a length suitable for subsequent
Among the more important provisions for the
processing, and appropriate apparatus thereafter
attainment of the-?rst three objects of my inven
reconstitutes the short lengths of which. this mass
tion- are: the. reduction of continuous ?laments
is comprised into a sliver of extended orcontin
into short staple lengths, wherein a large number
uous, length withv the short- staples parallel and
of continuous ?laments are assembled into par
multiplied in cross section to give the desired
allelism and‘ temporarily segregated into a plu->
thickness for'example of the’ order of l" and 4.0 rality of smaller groups at, progressive points
multipliedlengthwise- to give the desired extended
where severance isto be effected; the simultane
length. These reconstituted-slivers arethensub; ,
ous reduction of a plurality of slivers to short
jected to preliminary'attenuation in an appara
staple length by-t?rst uniting a group of slivers
tustermecl a gill box wherein a numberof slivers
into. a web of extendedwidth- and then progres
in lateral relation may be united into a relatively
sively reducing the continuous ?laments of which
the- web. is comprised into short staple lengths,
wide. web: which is attenuated‘ and combed. The’
attenuated web is the-n fed» through; the restricted;
passageway of atrumpet-to reconstitute andcom
pact the web intoa sliver. The compacted sliver
and.’ more particularly. its e?’ectuation by incre
combed. The combed slivers are- then- subjected
to a, further: gilling operation in what may be
termed an “intermediate? gilli box wherein a
are reduced without destroying the continuity
thereof ; the reduction and attenuation of, the,
ments for relatively narrow widths of the web’
which are- so distributed lengthwisev and width
is then subject to an‘ apparatus» wherein it is 50 wise of the web that all the ?laments of the web
sliver by progressively reducing the continuous
?laments of which it is; comprised, to short staple
relation may be united into a web ‘which is 55, lengths and advancing: these short staple lengthsv
' number of the compacted slivers. again in lateral
2,406,642
4
3
Figure 5 is a section taken on line 5-5 of
relatively to the continuous ?laments as they are
reduced therefrom, and more particularly the
simultaneous reduction and attenuation of a‘
group of slivers in this manner by ?rst uniting
the group into a relatively wide web; the employ
Figure 4;
Figure 6 is a top plan view of a faller bar modi
?ed to receive the cutter bar of Figure 4;
Figure '7 is a bottom plan view of Figure 6;
Figure 8 is a cross section taken on line 8—-8
of Figure 6;
Figures 9, 1O, 11 and 12 are respectively vertical
ment of cutting edges for effecting the reduction
in each of the above provisions; and an arrange
ment for holding segregated groups of ?laments
for the performance of the severing or reduction
operation.
sections taken on lines s-s, iii-Iii, ll--l! and
1O l2—l2 of Figure 8;
It is a further and a coordinate object of'my
Figure 13 is a view of an arrangement for shift
invention that the aforementioned objectives,
ing the cutting edges longitudinally of the faller
1., e., simpli?cation of the process, reduction of
bar;
equipment, and improved product, be attained by
'
Figure 14 is a view of Figure 13 as seen from
the use of such instrumentalities now employed 15 below;
Figure 15 is a View similar to Figure 8 of a mod
as are retained for the practice of my process and
i?ed embodiment;
that this be effected without impairing the nor
Figure 16 is a view similar to Figure 6 of the
mal performance thereof so that existing appa~
embodiment of Figure 15; and
ratus for the conventional practice can be con
Figure 17 shows a further embodiment of my
verted quickly, simply and inexpensively to per
invention.
form the added functions and give the bene?ts
Before proceeding to describe my invention, I
and advantages which are the objects of my in
will premise that gill boxes are generally char
vention.
acterized as follows: they function to attenuate
I attain the fourth objective of my invention by
the selection of a gill box preferably the interme 25 the slivers reconstituted from the short staple
lengths into which the continuous ?laments are
diate gill box for effecting the reduction of the
guillotined (in a typical practice the short staples
continuous ?laments which comprise the slivers,
are of a length of the order of 4” to 6"); they
to short staple lengths in that I am enabled to
are comprised at one end of a set of feed rollers
avail myself of mechanisms already comprised ‘in
between which the slivers are fed to be formed
the conventional gill box for effecting this added
thereby into a web and at the other end of a set
operation without substantial impairment of the
of delivery rollers spaced a distance from the
functioning of this mechanism in its conventional
feed rollers which may be of the order of 12'’;
performance. I also attain thereby these further
both sets of rollers are positively driven but at
bene?ts: the elastic limit of a rayon ?lament is
different peripheral velocities and in the practice
relatively low and any force acting to stretch the
I have in mind the difference in the peripheral
?lament tends to give it a set which weakens it
velocities is of the order of five to one.
and by the use of the mechanisms which are com
The length of the web engaged between the two
prised in the conventional gill box, I am enabled
sets of rollers at any movement, will therefore also
to effect the reduction of the continuous ?laments
be of the order of 12" whereas the length of the
to staple lengths in a manner which does not
short staples of which it is comprised, will be of
stretch the ?laments; the reduction operation
the order of 4" to 6". The short staples which
gives a complete control of the length of the short
comprise the sliver length engaged between the
staples to thereby attain a uniformity in the
two sets of rollers, will therefore group themselves
lengths thereof.
'
The conventional gill box mechanism to which 45 as follows: one group of these short staples will
be gripped andcontrolled'by feeding rollers; a
I have made reference comprises faller‘ bars, nee
second group will be gripped and controlled by
dles carried thereby and mechanism for moving
the delivery rollers; and the remaining short
the faller bars along a path to cause the needles
to comb the web.
The preferred arrangement
lengths will form a third group which are free of
which I associate therewith to effect a reduction 50 both sets of rollers. Because of the accelerated
peripheral velocity of the delivery rollers the sec
of the continuous ?laments to short staple
lengths, comprises cutting edges which move
across the length of the continuous ?laments;
ond'mentioned group of short staple lengths will
the functional coordination of the two is prefer- '
those of the first mentioned group and the short
staples which comprise the third mentioned group
ably such that as the faller bars perform their
usual function, the cutting edges will be caused
to perform their added function; the structural
coordination of the two is also preferably such
that the mechanism for effecting the gilling oper
ation also effects the cutting operation,
60
For the attainment of these objects and such
other objects as may hereinafter appear or be
pointed out, I have illustrated an embodiment of
be advanced at an accelerated speed relatively to
will respond and more or less casually to the con
trol of factors such as adhesion imposed upon
them by the movements of the other two groups
and by other gill box mechanism to be referred to
later. This action attenuates the web.
Gill boxes are further characterized conven
tionally by a mechanism positioned between the
feed and delivery rollers and generally referred to
as the faller bar mechanism in that it is com
my invention in the accompanying drawings,
65 prised of a series of what are known as faller
wherein:
bars, each constituted of a bar positioned parallel
Figure 1 is a perspective view of a gilling ap
to the rollers and provided with pointed needles
paratus wherein my invention has been em
bodied;
across its length. The width of the row of needles
is at least equal to that of the web formed from
apparatus of Figure l;
»
70 the sliver or slivers as they are passed through
the feeding rollers.
Figure 3 is a diagrammatic showing of the
These faller bars travel between the set of feed
spatial relation of the cutters embodied in the
ing rollers and the set of delivery rollers in a
gill box;
path that can best be described as an extremely
Figure 4 is a front elevational view of the cut
?at oval whose long dimension is in the direction
ter with the cutter carrying bar;
Figure 2 is a longitudinal section through the
254;.063642'
5
6?
of. thefeed of the web'andiwhoseshort dimension
is approximately vertical. The faller bars in a
typical‘ apparatus: travel; in their elevate-d. posi
where. the; cutting edges are given two successive
cutting; strokes-in di?erent directions, it being
understood that these two cutting strokes can be
considered as alternative practical applications
point adjacent thedelivery rollers: where they are 5 of the broader aspects of my invention and lean
tion from. a point adjacent the feed rollers to a
dropped insuccession by, mechanism (not shown‘)
. employ the. practice of. either one or the other of
toalower level and- their direction of movement
the aforementioned two cutting, strokes by itself,
reversed untillthey again arrive in the vicinity of
as suggested in the ?rst two of the three afore- ‘
the feeding rollers where they are suddenly pro
mentioned aspects;
jecteid' upwardly-Yoneafteranother into their start 10' Another object of my invention is the provision
ing; position in; the upper level». This comprises
of an arrangement whereby the cutting operation
a. cycle of travelo? each'faller bar. along a path
is so performed as» to effect the integrity and con
which has beenreferredto as a ?at oval.
tinuity of‘ the‘web to aminimum degree and this
This
pathislocatedgenerally below the plane through
object I attain by employing cutting edges whose
the peripheral lineslof contact‘ of. the two sets of
length is relatively small as compared to the width
of theweb' and predeterminately positioning these
rollers. This cycle is?repeatedcontinuously for
the? gilling operation. The faller bars follow each
cutting edges longitudinally/and transversely of
other in this pathin timed relation-and in a uni
each'ot-her.
'
form'manner: As eachiallerbar is projected into
Another object of my invention is a provision
the upper level’, its needles are caused‘ to, pene 20 whereby the cutting edges can be renewed or re
placed inexpensively and quickly.
trate the‘web formed ircmtheslivers by the feed
ing: rollers; so that as the (faller bar advances to
This disclosure by reference to details of con
ward the delivery rollers, the needles comb the
struction is intended merely as illustrative of the
short staple lengthszinto parallelism.
exemplary arrangements whereby my invention
mechanism wherein a second. set of faller bars
substantially a duplicate, of I that already de
may be practiced:
Figures 1 and 2 illustrate a, typical intermediate
gill box of the ?rst mentioned type wherein is
incorporated one arrangement for effecting the
purposes of my-invention. The feeding rollers are
shown at 20 andthe delivery rollers at 2! and 22
and those faller bars moving along the upper level
scribed, operates above the plane between the
of the oval path are shown for purposes of exem
What I have just described is one type of faller
bar mechanism of a typical gill box. There are
other types which vary somewhat from that which
has: just been described. For example a second
type is that known as: the intersection faller bar
rollers, the faller bars thereof being-moved as de
pli?cation as comprised of a group of fourteen
scribed above and also in timed relation to the
bars whiclrnumber may be increased or decreased
movement of the ?rst mentioned set, the needles 35 as desired. For convenience of description I have
of both sets of faller barsbeing projected through
the web-‘in timed‘relation; athird‘ type differs from
numbered these faller bars respectively I to M.
In a conventional apparatus these faller bars as
the ?rst type described‘in that each faller bar is
well as those in the lower level are all alike and
provided with two~parallel rows of spaced apart
may‘ comprise a base 25 from which projects up
needlesacross the length of the ia'llerbar; a fourth 40 wardly the single row of needles 25 which extend
type is like- the third type- just. described, except
’ uninterruptedly across the major length of the
thatv the double row of need-lesare interrupted for
av substantial distance at‘ their middle to provide
a relatively wide space to provide two spaced
bar‘25. the needles. tapering at their upper ends to
point 21.
.
1
Upon reference to: Figures 1 and 2 it will be ob
' apart sets‘of double‘ rows; of needles and in this 45. served however that. a number of the faller bars
type of device the slivers-are fed to the feeding
aresnotr of: this; conventional character in that
rollers so- as to form two webs, one to be operated
they are: devoid of the needles 25 and have asso
upon by one set of needles: and the other by the
ciated; therewith. cutting edges as will be more
other set of needles.
fully-set. forth in the description of Figures 4 to
In the illustrated embodiments,.I effect the re 59 12. It will be observed that. thefour faller bars
duction. of the continuous ?laments to short
numbered I, 5, 9 and I3 are illustrated as so modi
lengths by cutting edgesincorporated into the gill
?ed and I here wish to point out that this is en
box. The action of these cutting edges can. be
tirely for purposes of exempli?cation, because as
considered broadly from‘ each of these three
will shortly appear; the faller bars being modi?ed
aspects: (1) theyeffect cutting by an upward pro 55 may be varied at will both as to their number
jection thereof against the ?laments from below
and as to their relative positions.
and in the embodiment herein illustrated some of
The modified faller bars are illustrated in
the objects of my‘inventionare-attained‘ by asso
Figure 6. It comprises a bar 25' which is de?ned
ciating the cuttingr edges with the faller bars so
by sides» as: and3l, ends 32 and a bottom 33 all
that the latter will be; projected upwardly by and 60 dimensioned, contoured and related precisely as
with the former; (2) they effect cutting by a
are the corresponding parts of bar 25 of the afore
movement transversely of the web, and here again
mentioned. conventional faller bar numbered “2”
I attain many of'the objects of my invention by
for example in Figure 1. The modi?ed faller bar
the association» of the'cutting edges with the faller
numbered “I” for example, is provided with the
bars, however, by such an‘ arrangement that the 65 ‘conventional inclined surfaces 34 adjacent its op
former are moved longitudinally of the latter by
posite end walls 32 and with the conventional
and during the initial’ advance of the faller bars
guiding grooves 35 whereby the movement of the
in the upper level; ‘and (3) the association of the
faller bars is eifected by the conventional mecha
cutting edges with the faller'bars is such that the
nism in the conventional manner. The signi?
former cut upwardly upon the upward projection 70 cance of" this is that this modi?ed faller bar is,
of the faller bars and thereafter cut laterally by
entirely ‘conventional also as to those character
a cutting stroke; in thedirection of the length of
istics whereby it also maybe moved in a con
the faller bars on the initial advance thereof in
ventional manner. and. in conventional timed and
the upper level. For convenience of disclosure I
spaced relation, to allthe other faller bars and as
have illustrated my invention in this third aspect
755 1,
if it. wereconventional in allother respects.
2,406,642
7
It differs from the conventional faller bar in
that it does not carry any needles 26 as does the
conventional faller bars and it has associated
therewith one or more cutting edges which can‘
be said to have replaced the needles.
I will now describe one structural arrangement
whereby a cutting edge may be associated with
the faller bar for effecting the purposes of my
invention. Upon reference to Figure 8 it will be
as extending for the full width thereof and open
ing at both ends. Extending upwardly from the
upper edge of wall 83 are a number of flanges 87
and extending inwardly from each ?ange is a
projection or ?nger 88. It is contemplated that
a'blade be associated with each ?ange and in the
exemplifying embodiment four blades 82' are pro
vided for the four ?anges. These blades are illus
trated as triangular in shape, the cutting edge
observed that the bar 25’ is slotted longitudinally 10 80 being formed on one of the edges. Each blade
is provided with an opening 99 contoured and
thereof at 44. This slot is cut through the top of
positioned to receive a projection 88. The open
the bar from 41 to 42 as shown in Figure 6 and
ing 9i! and projection 88 are preferably non
is extended at each end to end walls 43 and 44
circular and similarly dimensioned and contoured
as undercuts beneath the overhanging top por
tions 45 and 46 as shown in Figures 8 and 9. The 15 so that when the two engage, the blade will be
held in ?xed relation. The blades may be assem
slot 44 opens through the bottom of the bar 25' as
bled with the holder 5!! in any preferred or de
shown at 41 in Figures 7 and 8 and is also cut to
sired manner and I will now suggest one way by
an increased depth as shown at 48 in Figure 8
which this can be effected. The bottom or base
without, however,‘ opening through the bottom
of the blade is entered from one side into the slot
wall.
or space between walls 85 and 86 and moved
The slot 49 is intended to receive the blade
therealong, the engagement between a blade and
carrying bar 54 shown in Figures 4 and 5‘ to which
a ?ange being effected by a relatively lateral
reference will now be made for details thereof.
flexure of the upper end of either the blade or
This blade carrying bar 53 is of a length less than
the full length of the slot longitudinally of the 25 the flange or of both so that projection 88 can
enter opening 94. The ?anges 8'! are preferably
bar 25’ as measured from end wall 43 to end
wall 44, but its length is greater than the distance
between end wall 43 and point 42 or between end
wall 44 and point 4i so that once inserted in the
slot the cutter carrying bar 50 cannot be removed
therefrom. To permit of the installation of the’
cutter carrying bar into slot 4i! and its removal
made triangular to give ample backing to the
lade. It is contemplated in this arrangement
that the parts be so dimensioned that with the
projection 88 received in the opening 92! the blade
will be seated on the bottom of the slot between
walls 85 and 86.
v
The construction thus far disclosed is exem
plary of one manner whereby cutting edges may
Figures 9 and 11 wherein the side wall '3! 'of ‘the'
bar 25’ is made of a separate piece and secured 35 be associated with a faller bar.
therefrom, I show an exemplary arrangement in
in position in' any preferred or desired way such
as by countersunk screws 53 shown in these
?gures.
The cutter carrying bar 53 has a downwardly
projecting relatively long ?nger 55 and at a dis
tance therefrom a downwardly projecting rela
tively short ?nger 51, the dimensions and posi
tions of these two ?ngers being such that when‘
the cutter carrying bar 59 is in the slot 40 in its
position of Figure 8, the relatively long ?nger 55
will be received through the slot extension 41 cut
through the bottom of the bar 25’ and the rela
tively short ?nger 51 will be received in the slot
enlargement 48, these ?ngers taking the relative
positions shown in Figure 8.
The slot 41 is much longer than the thickness
of ?nger
as is also true of slot enlargement 48
relatively to ?nger 51. It has already been
pointed out that the carrier bar 53 is shorter than
the all-over length of slot 40. As a result of this
arrangement the cutter-carrier bar as can have
a limited reciprocation lengthwise of slot 44. By
reference to Figure 8 of the drawings it will be
I will at this point emphasize that the move
ment of all of the faller bars including those
numbered l, 5, 9 and I3 in Figure l is effected
in the conventional way and by the conventional
mechanism and that to this end those structural
characteristics of the faller bar devised to effect
such movement are retained in the modi?ed faller
bars l, 5, 9 and 13, that the path along which the
faller bars move remains unchanged and that
therefore to this extent the mechanism now pres
ent in such conventional gill box for effecting the
movement may be retained without change. It is
in this manner that I attain some of the objects
of my invention.
‘
I will now set forth briefly the manner in which
the apparatus thus far described operates and
the extent to which it attains other objects of
my invention.‘ The reference character S in Fig
ure 1 is applied'to the slivers. These differentiate
from the reconstituted slivers'hithertofed to the
gill box; in that the slivers S’ which I feed to the
gill box are comprised of ?laments of continuous
length. In Figure 1 I show for exempli?cation,
?ve of these slivers being fed simultaneously in
noted that a spring 60 is positioned in the slot
enlargement 48 with one end of the spring in 60 lateral relation to the feed rollers 28 so that the
web W formed thereby is relatively wide. This
abutting relation to the end wall 6! of that slot
web is therefore constituted entirely of continu
enlargement and with its other end in abutting
ous ?laments all arranged in the direction of
relation to the aforementioned ?nger 5‘! so that
movement of the web. The feeding rollers 20 are
the cutter carrier bar 50 is normally maintained
preferably corrugated as shown, to prevent slip
at an extreme position to the left as in Figure 8.
page and function to ?atten the slivers and unite
This position may be ?xed by the engagement of
them into‘the relatively wide Web W.
?nger
with end wall 64 of slot enlargement 48
As each faller bar arrives at the end of its travel
or of ?nger 55 with end wall 66 of slot extension
in the lower level, it is projected upwardly into
41 or of the left end of cutter carrier bar 50 with
end wall 43 of slot 40 or in any other preferred or 70 the upper level and into a position adjacent the
feed rollers 20 and in this operation a conven
desired manner.
tional faller bar projects its needles through the
The cutter carrying bar 58 is shown in cross
web for its full width so that as it advances in
section in Figure 5. It comprises a base 84 from
which extends upwardly spaced apart side walls
the upper 1evel, it will comb the web. However,
85 and 86 which de?ne a slot shown in Figure 4 75 when one of the'modi?ed faller bars is projected
10
_ vertically-at the etld oflits travel in the lowerlevel
it projects its cutting edges 80 upwardly ‘to cause
lied, it ibeingecontemplated by my invention that
"the cuts effected be vfor relatively narrow widths
‘and-'be'distributed laterally‘and longitudinally of
the webllengthto ‘effect‘cutting across the full
them to'cut through a narrow section-along the
width of the'fabn‘c and thus sever the ?laments
comprised in that section. In the exempli?ed
showing of Figural}, the modi?edfaller bar-will
out along four narrow sections in thedirectionof
the width of the ‘fabric-buteeachof-such restricted
lengths that (the continuity of the web vis-not
, ,
materially a?ected.
'10
‘
V
~‘
width‘ of the ‘web- without‘ breaking the continuity
oif'the web.
'
‘
The-cutting action has been thus far-described
~as-fetfecte'd'by ‘an-upward movement of the cut
The pattern of 1Figure -3 is intended to repree
}tingeedges.
I will now describe an arrangement
whereby the cutting'action may be e?ected by
-‘moving the cutting edges laterally, i. 'e., longi
sent *the cutting action ‘effected "by the vertical
projection of the JfaIlerJbars’ vvthrough ~a~complete
cycle of movement of all-the fallen-bars upon-that
tudinally- of the falleribars.
,
Reference has already been :made to the ‘fact
-'that-~the cutter carrieribartil is mounted'for a
ilateral‘lmovement to the right from its position
'offFigure '8 and I will-now describe an arrange
mentifor-e?ecting“this lateral movement auto
matély ~12”. ‘Thepattern‘w-idth shown in Figure
matically by [reference to Figures '13 land '14
3 ‘is intended to represent-the width ‘of "theaveb
wherein modi?ed faller bar “I” is assumed as
W and its length as measured evertically-inethat 20 in its position of Figure '1 immediately adjacent
length-of the web which is engaged at any ~~mo
méntbe'tween thetwo sets of rollers 171!] and '21
and which length may be of the order approxi
?gure, is intended to ~-represent the length 'of 'the
the feed-rollers ‘and at the'moment when it has
web engaged-between the Ltwo sets-'of'rollers; The
finished its projection into ‘the upper vlevel.
‘numbersat the left represent-the successive cut
'Mounted l-from the frame element ‘I00 adjacent
ting engagement during a complete 5=cyclelof~op
theffced'rollers 20 is a platform or bracket ‘Hll
~eratiron of all sixteen ~i-a~llerlbars,it being under 25 ~~whichypresents an inclined surface I02 in the
stood that the numbers “t5 ‘and +6 refer to two
pathv of the “finger 55‘ whichpro‘jects downwardly
taller bars travel-ling reversely ‘in the lower" level
through-the-bottom of‘the‘faller bar so that when
and therefore notshown in iF'ig-ure ~11.
‘
faller‘ba-r v‘l starts its advance from that position
For convenience ‘of reference the ~web~section
'?ngerj5'5-will be-lcammed'to the right by inclined
of Figure 3~~isashown as divided intosi-xteen sec 30 surface 102. This movement will effect .a ‘lat
tions acrosslits'widthleachof-a width correspond
ing to ‘the width of the cute'effected by 'one of
the cutting edges upon "its ‘vertical projection.
"eral ‘throw of cuttingedges 8-0. The speed of
‘this throw will :beappreciated from‘ the ‘fact that
acomplete “cycle ofmovement ‘of the fallerb'ars
The sixteen sections are lettered‘for convenience
'is~'_com;pleted“generally in less ‘than ‘four seconds.
of .identification. This’pattern shows that ‘the 35
its broadest aspect ‘a vertical cut and a
‘modi?ed faller bar “I :cuts through "sections “a, ‘e,
lateral cm are alternatives. 1 have ‘illustrated
i-a-nd m of “the web and "that ~fal'1er bar *5 fonts
and described-them ase'ffecteri in successionlby
through sections'b, f3‘ and n-and-that fallerbar
a singleset :of‘mec'hanism which effects the ‘?rst
~~9 cuts-through sectionsc, g, 1c,~'o*arrd ~‘fa-Hervicar
"upon‘the' upwardmovement of the jfalle'r .barand
13 cuts through-sectionsd, “h, land p so’tha't ‘all 40 the second immediately thereafter and during the
sixteen sections are cut. The cuts e’?ected‘bythe
vinitial advance "thereof. This will explain the
edges-'89- are shown in'this-pattern ‘asdistributed
angle of'the cutting‘ edge shown inthe drawings.
laterally and longitudinallyofthe 'web ‘so that
For the ?rst type “of cutting this: angle may di
the projection of "all ~the ‘cuts .on a ‘single ‘line
verge relatively little from the horizontal and
gives the resultant *ofa cut for the " full width 45 for ‘the second ‘type of cutting it may diverge
of a vweb "without-‘substantial“overlap ‘and- with
very]little'fromthe'vemical. ‘The angle shown is
»out destroying the ‘continuity ‘of ‘the web; ‘The
‘such 'asito ‘effect ‘both characters of cutting and
cycle shown-in-Figure 3 "is repeated as the Web
any ‘decrease ‘ineffectiveness that may result
isfed {through the ‘gil'l'boxz "Since the cutting
'therefromj'wiil bemore than compensated .for by
' operation is 'performed" upon the ‘webfat " a j‘poin’t 50 the ‘increased elfect'iveness of the lateral cutting
- adjacent the feeding rollersandwhere‘a‘lrthe ?la
‘aswill now bepointed out.
ments of which the web is v“comprised are ‘under
control “of ‘and are~fed ‘at the peripheralivelocity
small groups of j'?lame’iits ‘are segregated and
‘of ‘the feed "rollers; the pattern ‘of Figural; "cor;
closely compacted and 'held lat‘ spaced points be
:tweenadjacent ne'edle's‘longitudinally of the web.
~-rectlyepresents"the cycle ‘of cutting even-though
‘the-short staple lengths may thereafter ‘be fed
‘at vvarying speeds.-
'
This action .is ,an important ‘factor ‘particularly
‘in theJateraI lcutinfthatethe cut will be veffected
'
‘My-process presents these additional - advan
tages: ‘the‘?laments- before being'cut are‘in-par
allelism by “the fact ‘that'theyare :of ‘extended
length. Therefore ‘when-these ?iamentscarecut,
"the short staple lengths ‘will 'alr'eadybe in "an
v‘ordered position of "parallelism and "the ‘move
ment of the mass which comprises'the'web asa
whole {will tend vto ' maintain ' ‘that “relation; "the
‘reduction vto ‘short staple lengths is eifectedtat
vone time "upon the ‘multiplied ‘number 10f con
“
‘Upon yiewingj'Fig'ure lit will ,be observed that
in 'a‘le‘ngthof vthe ‘?laments ‘engaged between/the
needles longitudinally of the web.
60
Where the two cuts are combined as afore
mentioned itheilaiteral cutting 'wl-iich follows the
vertical .cuttinghcan be. considercdes supplemen
‘tal thereto “and as ail-arrangement whereby the
cutting action ‘is completed so thatany ?laments
ithat may have, escaped cutting on the upper :pro
jection of the.fallerlbarsis.eventually cut ,on-the
lateralpro‘jection‘thereof,
'
'
‘
“tinuous '?laments com-prised'in a plurality “of
“The combination of these two cutting actions
'in‘themanner ‘s'et'fohthlmcdi?es the cutting vac
The-patternof Figure 3 isillustrative‘merely 70 tion v‘ofithepattern of “Figure ‘3 'inthis respect.
slivers.
'
'
'
‘
o‘fvone‘ _ arrangement of’ cutting-edges. ‘It can be
varied jas-to the ' number "of cutting edges carried
by -a~fa5l1er5bar ori'by a change in ‘their distri
"“On"its’upward’stroke jofjmodi?edl'faller bar ‘l for
example,- a‘ "cutter will ' be KDIiQJ'ected, upwardly . to
cut in) thesection . a ‘as vshown by .Ithe heavy .line
l bution
' among therfaller bars or in the number ‘75 at the ;e>itreme"left. ’ {On‘its lateral ‘stroke ‘which
*or the order ‘of the *fa-ll'er' “barsrwhioh are modi
‘follows immediate-lythat ‘cutter ‘will ‘be projected
2,406,642
11
12
‘function I have illustrated the faller bar of Figure
laterally part way into section b. This will» mod
1'7 in the position of faller bar I in Figure 1 and
in connection therewith have illustrated an in
ify the pattern in that it will show an overlap
between adjacent cuts but not to a sufficient ex
clinedcamming surface 202 as positioned at the
tent‘to materially affect the continuity of the web.
left as in Figure 13 and the inclined camming
In Figures 15 and 16 I show cutting edges asso
surface 302 positioned at the right so that the
ciated with a faller bar wherein the needles have
‘inclined surface 202 at the left will cam to the
been retained and I have chosen for this dis
right those faller bars positioned as in Figure 15
closure that type of faller bar which has one
row of needles I26 along one edge of the faller a and the inclined camming surface 302 will cam
bar and a second parallel row of needles I26’ 10 those faller bars positioned as in Figure 1'? to the
left. Figure 17 therefore will be understood as
along the other edge with the needles on one side
representing one faller bar of that alternation.
shown as alternating laterally with and shorter
The disclosure made in Figures 15, 16 and 17
than those on the other side.
applies equally as well to that type of faller bar
One of the side walls l3l is made separable
along with its needles and may be secured in 15 wherein there are two groups of two rows of
needles one at the left end of the faller bar and
its position of Figure 16 in any preferred or de
the other at the right with a substantially large
sired manner as by countersunk screws (not
space in between and for such disclosure the
shown). While cutting edges may be associated
break through Figures 15, 16 and 17 can be con
with this type of faller barin many ways, I have
illustrated in Figures 15 ‘and-l6, an» arrangement 2.0 sidered as representing that space.
It will also be understood that cutting edges
for that purpose such as is shown in Figures 6
can be associated to coact with a faller bar hav
and 8 wherein the central part of the faller bar
ing a single row of needles and wherein the nee
is slotted through the top to receive a cutter
dles are retained.
carrying bar such as is shown in Figure 4 for
upward projection therewith as well as for lateral , ,
movement thereabove effected by the mechanism '
of reducing continuous ?laments to short staple
lengths in which aspect the disclosure herein of
the gill box apparatus must be considered merely
as exemplary of one type of mechanism whereby
this aspect of my invention may be practiced; as
and in the manner shown in Figures 13 and 14.
I have numbered these corresponding parts in
Figures 15 and 16 as they have been numbered
in Figures 6 and 8 except that the numbers have
been increased by 100. It will therefore be un
derstood that the description given of the details
of the cutter carrying bar and of the cutters, the
manner of the association of the two and the
manner of association of the cutter carrying bar
with the faller bar and the manner whereby the
cutters are moved laterally as described in con
a manner of effecting the reduction simultaneous
ly with and as part of the gilling operation in
which aspect the details of construction of the
gill box herein disclosed must be considered as
35 exemplary
mechanism whereby the gilling op
eration may be performed regardless-of whether
such mechanism is conventional or not; as a
manner whereby my invention may be practiced
nection with Figures 11 to 12 is referred to for‘
the description of these corresponding features
in Figures 15 and 16.
The location of the cutting edges in the em
bodiment of Figures 15 and 16 as closely adja
in either or both aspects by existing apparatus
converted for that purpose, in which third aspect
the gill box mechanism disclosed is exemplary of
one manner whereby such presently used con
cent to and in between two sets of needles I25
and I26’ provides a support for the cutters and
ventional apparatus may be converted. .
When the Web is fed through the delivery
their cutting edges and increases the holding
rollers it is comprised of a mass of short lengths
and is attenuated in the manner set forth. This
mass is then fed to the trumpet 28 where it is
action upon a group of ?laments by adjacent
needles between which they are passed for a more
effective cutting operation and without imposing
a stretching force upon the ?laments and par
ticularly so where the needles of the two rows
are in lateral alternation.
In Figure 17 I show an embodiment similar
to Figures 15 and 16 except that the cutter car
The broad features of my invention can be con
sidered from these aspects: merely as a manner
compacted as shown in Figure 1 and then fed be
59
tween rollers 29 which feed as well as compact
the already compacted sliver into a receptacle.
Thisis shown in Figure 2.
l
-
In selecting the gill box mechanism ‘wherewith
to effect the reduction of the ?laments of con
rying bar has been reversed so that the finger
255 and the slot 241 are at the right and the ?nger 55 tinuous length to short staple lengths I am also
enabled to accomplish the following: the atten
251, slot 248 and spring 269 are at the left and
uation, combing or both may be'e?ected with and
the cutting edges 180 face toward the left. I
as‘ part of the reduction procedure and progres
have therefore retained for these parts those ref
sively as the short staple lengths are cut; the
erence characters which are used therefore in
eifectuation of the reduction by a cutting opera
Figures 15 and 16.
60
tion is facilitated by the presence of needles in the
It will be understood that the faller'bars of
gill box which segregate the large group of ?la
the faller bar mechanism can be comprised en
ments into smaller groups and hold these smaller
tirely of the type shown in Figures 15 and 16 or
groups for that cutting operation.‘
7
can be partly of the type shown in Figures 15 and
An apparatus which will out each and every
16 and partly of the conventional type as shown 65
?lament is the ideal. 7 It is believed that the proc
in Figure 1 and that the cutting edges employed
ess and apparatus‘ herein disclosed will approxi.
can be multiplied in number as desired.
mate that ideal. > However, even though the per
It is desirable that there be a balance to the
formance falls slightly short of the ideal in that
cutting action of the various cutters. This I may
effect as follows: The faller bars which do .the 70 ?laments may occasionally escape being cut that
action will not'effect the e?iciency of the process
cutting alternate between the types shown in
or the effectiveness of the apparatusif ?laments
Figures 15 and 1'? so that one cutting bar will
that have escaped cutting are not proportionately
cut laterally in one direction and the adjacent
cutter bar will out laterally in the opposite di
rection. To indicate how such alternation will .75 - Having thus described my invention and illus.
large,
I
’
~
g
a
2,406,642
13
14
trated its use, what I claim as new and desire to
secure by Letters Patent is:
1. In combination with a gill box employed in
the production of yarn from continuous ?laments
and comprising faller bars and mechanisms for
ed ?rst in one direction and thereafter in a direc
tion at an angle thereto.
4. The combination with a faller bar of a gilling
operation, means for securing thereto a plurality
moving the faller bars in a continuous path in
one portion of which the faller bars arev projected
successively into an upper level, of a cutting edge
associated with a faller bar for projection up
said blades each presenting a cutting edge which
spans a plurality of needles, and means for auto
of blades spaced longitudinally of the faller bar,
matically moving said blades lengthwise of the
faller bar as the faller bar is projected to cause
wardly therewith in the aforementioned upward 10 its, needles to penetrate the web.
projection thereof to cause the cutting edge to
cut through a group of the continuous ?laments
being treated in the gill box to thereby reduce
the continuous ?laments to short staple lengths
5. The combination with a faller bar of a gilling
operation, means for securing thereto a plurality
of blades spaced longitudinally of the faller bar,
said blades each presenting a cutting edge which
simultaneously with the gilling operation and 15 spans a plurality of needles, and means for auto
means for moving said cutting edges laterallyto
matically moving said'blades lengthwise of the
faller bar as the faller bar is projected to cause
effect a second cutting operation immediately
after said upward projection of the faller bar.
its needles to penetrate the web, and each said
' 2. In combination with a gill box employed in
the production of yarn from continuous ?laments 20
and comprising faller bars and mechanism for
moving the faller bars in \‘a continuous path in
one portion‘ of which the faller bars are projected
successively into an upper level, of a cutting edge
associated to move with a faller bar therewith in
such portion of its movement to ‘e?ect a cutting
operation through the web being treated in the
gill box, and means for giving said cutting edge
a lateral movement immediately after said faller
bar has been projected into the upper level to cut 30
through a group of ?laments.
3. The process of subjecting a web comprised
of many laterally related ?laments of continuous
cutting edge spanning a plurality of needles.
6. In a gill box apparatus the combination with
a faller bar thereof, of means for detachably se
curing a plurality of blades to the faller bar with
their cutting edges extending lengthwise of the
faller bar and in laterally spaced relation, and
means for shifting said blades laterally as the
faller bar is projected toward a web, the cutting
edges of the blades being presented at such angle
to the horizontal that cutting will be effected
thereby both on the vertical projection of the
faller bar and the lateral shifting of the blades.
7 . In combination with a faller bar of a faller
bar mechanism contained in the gill box employed
in the ‘production of yarn from continuous ?la
length to a treatment which reduces the ?laments
ments, a cutting edge mounted on said faller
to courses of short staple length simultaneously 35 bar to effect cutting of the continuous ?laments
into short staple lengths simultaneously with the
with and as part of that portion of the gilling
operation wherein the faller bar needles are pro
movement of the faller bar, and means for giving
jected to penetrate the web at spaced apart points
said cutting edge an additional cutting movement
relatively to the faller bar to cause the cut to be
along a line transverse of the web, said process
comprising severing adjacent ?laments comprised
of greater length than that of the cutting edge.
8. In a gilling apparatus the combination with
in a width of the web for a distance which en
a gill box faller bar having conventional needles
compasses a group of needlesand simultaneously
with the penetration of the web by that group,
of a blade holding member and means for detach
the severing out being extended and continuous
ably a?ixing the member to the faller bar, to re
for at least the full width of said group of'needles 45 ciprocate vertically with the faller bar and means
and being substantially along said transverse line
to move said member longitudinally of the faller
bar as the faller bar is reciprocated vertically,
of such penetration, the severing out being eiTect
ALBERT J. SIGNORET.
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