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Патент USA US2405902

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Aug. 13, 1946.
_
.
N. J. POUX
‘
2,40,02
SLIDE FASTENER STRINGER TAPE
Filed Feb. 2, 1942
2 Sheets-Sheet 1
15
IINVENTOR
Nbel
BY
v
PolZx,
‘ATTOR
EY.
_ Aug. 13, 1946..
2,405,902
N. J. POUX '
SLIDE FASTENER STRINGER TAPE
Filed Feb. 2, 1942
r2'Sheets-Sheet 2
.
.
- .
.
w‘a
- INVEZNTOR§
Noel/J; Baum,
F” @J
2,405,962
Patented Aug. 13, 1946
“UN-FEED STATES PATENT PTQEFICE
2,405,902
SEEDEJFASTENEB STRINGER TAPE
Noel J. Poux, Mea'dville, Pa., assigncr 'to'Talon,
‘Ina, a corporation of ‘Pennsylvania
Application February 2, 1942,:Serial1No.429231
G‘Claims. (0151394384)
other support.
According to this invention, I secure an .in
The stringers of slide .- fasteners- comprise tapes
each having --a beaded or reinforced edge ‘upon
which is secured a row of closely spaced inter
locking members. A pair'of these tapes, con
nected at least at -,one end, rand-provided with a
»cam-like»device-known asa slider supported slid
a'ely on the rows of interlocking fastener ‘mem 10
hers, .form aslide fastener. Sliding movement of
the slider progressively engages and. disengages
the ‘fastener members to connect and disconnect
the-stringers for closing andopening the fastener.
The tapes are usually connected --adj'acent the
lower endsyof the irowsyof interlocking fastener
members, and means -is usually-provided at the
upperiends of the rows ~of interlocking fastener
members to limit upward movement of the slider
2
intermediate p_ortion,-is stitched to agarment or
This invention relates to slide fasteners and,
in particular, to'the provision of new and im
proved slide fastener stringer tapes.
herent, or permanent, ?xed radius v:in stringer
tapes ‘by varying the interla'cings of the weft
threads from sideto- siderof the tape in order
that the outer edge portion orzonel-shall'be subs
stantially longerthanthe - intermediate . portion : or
neutral .zone, as well as the inner,\reinforced or
beaded edge portion .or-zone of thetape. This
is achieved totally without the applicaticn-of-dif
ierential tensions, by "the loom, upon the con
stituent tape threads.
-
r
The interlacings or, in other words, the points
Wherethe adjacent weft threads cross are more
concen-tratedin.theregion-along one edge of the
tape. That is to say, suchcrossing-s are greater in
number per .unit of area orj-per unit of length
along lthexouter edge wofthe tape, thereby provid
Tl‘iebottorn-end connection may be ‘a “regular”
ing a greater pile-upsof the ‘weft threads along
that edge than in other portions of the ‘tape,
bottom stop-?xed toprovide-permanent connec
wherebyYthe-tape 'in'its . natural vcondition will as
tionof the lower stringer ends, or it may com
sume a curve due to the fact-.that ‘the greater
andrmaintain it on the :rows of fastencrrmembers. \
prise a separable end ?tting, well known'inthe
art.
.
Fcrinstance, in Figp-l, ~I>have illustrated va fas
tener comprising-a pair of stringer tapes-58 with
reinfcrcedinner edge-‘portions 5! having ‘rows of
interlccking'fastener members ‘52 secureditc the
reinforced inner edgejportions 5!. ,Top steps 53,
aresecured to the reinforcededges ‘5i adjacent
theupper end .of-each row-of interlocking fas
tener members ' 52!v and'a: conventionalb-ottom stop
51‘; secured to the reinforced edges 5i adjacent
the lower'ends of the rows of interlocking vfas
tenermembers secures these ‘tapes together at
pile-:up-of the weft threads inthis-outer area or
edge ‘portion tends to lengthen the outer edge
of the tape. The term ‘ipileéup” as-usedherein,
meansthe positioning of' succeeding weft threads
in sideby side-relatioma termwellrknownitothose
skilledin-the artoi weaving. It will be under
30 stoodthat :the greater the "pile-up, the greater
is the :overall ‘width of any particular group ‘of
weft threadslmeasuredlengthwisecf the tape).
In addition to ‘the above variationinthetape
weave from side to side of ‘the tape, 1
lop
, tionally, weave into the tape a plurality- of lat
erally spacedlongitudinal cordsiorwarp cords of
their lower ends.
relativelygreatdiameten'which cordsfcrm a sew
The slider 5:5 is supported bystherows ofiinter
iocking Jiastener members "52 "and functions
and which aid in sewing "arfastener into a gar
lllg. guide unaffected-by dyeing or other treatment
progressivelyto close'the‘fastener by engaging or 40 ment .orthe like, which cords also zone the tape
width or, divide it into various zoneslhaving dilTer
meshing the interlocking fastener members 52
ent weaves, and which cords impart to thestringer
when it is drawnaway from the‘bottom stop 54
tape ‘substantial tensile strength and ‘ durability
toward the top stop 53, While progressively dis
Without- substantially impairing’ the ?exibility of
connecting or unmeshing the interlocking fas
the-tape because of the relatively great transverse
ten'er members 52 when vmoved in the .opposite
spacing of these cords.
direction, withrcspect to 'the'tapeto open‘the'
'Sincethe-diameter of these War-p cords is'sub
stantially greater thanthat of the ‘warp threads
fastener.
in the 'tape, adjacent '(over and under) "Weft
Forreascns wellsknownin theart-it‘is desirable
threads passing over these cords are more-nearly
to provide stringer tapes with acurvature, or ?xed
perpendicular‘to one another than similar weft
radius, whereby the reinforced or beaded edge
threads passingover the smaller warp threads.
portion of thestringer tape, which supports the
Thus :thewarp cords accentuate-or exaggerate the
interlocking fastenermemhers, is of less :length
curvaturerof the-tapellessening or shorteningthe
than the other, or outer, edge portion of the
.?xed radius) since the packing 'or‘telescoping
. stringer tape, Whichlatteredge portion,‘ onathird
2,405,902
3
4
tendency of adjacent (over and under) weft
desired strength and extreme length per unit (by
threads lessens as they approach 90 degrees with
respect to one another, thereby resulting in a
number) of weft threads or picks. The weaves
in the respective zones are varied in order that
greater pile-up of the weft threads against each
the length per unit (by number) of weft threads
or picks shall increase substantially progressively
from the inner to the outer edge of the tape.
In addition to the above described ten rein
terlacing (measured lengthwise of the tape) in
forcing cords or warp cords I-IiL-the tape in
creases as the angle between them (measured
cludes 24 warp threads designated 1 i-34 inclu
through the plane of the tape perpendicular there 10 sive. The ?rst eight of these warp threads
to) increases, and it naturally follows that the
(II-I8) are disposed in the inner zone of the
pile-up of the weft threads increases as such
tape, which zone is de?ned by the inner edge re
angle increases.
I
inforcement formed by cords I-6 at one side and
These warp cords, as well as the warp and weft
the longitudinal warp cord 1 at the other side.
threads of the tape, are preferably of the same
Seven of these warp threads (IQ-25) are disposed
material throughout the tape, not abnormally
in the intermediate or neutral zone between warp
twisted and are woven at normal weaving tension,
cords 1 and 3 and the remaining nine of these
whereby the ?xed radius is permanent and sub
warp threads (26-454) are disposed in the outer
other in the vicinity of these warp cords. In other
words, the combined width of a pair of such ad
jacent weft threads at the point of crossing or in
stantially unaffected by wetting, dyeing, drying,
heating, or other treatment. Furthermore, the
effectiveness of the longitudinal cords in achiev
ing the above-described guiding function is per
manent, independent ‘of color,‘ and unaffected by
ill)
Ill.
subsequent dyeing, bleaching or other like treat- _
ments to which the tape may be subjected.
These and other objects and advantages of the
invention will appear from the following descrip
7
Fig. 1 is‘a plan view of a slide fastener having
stringer tapes embodying the principles of this
~ tape is to provide an extension for the inner zone
making manipulation of the stringers convenient
and aiding in attachment to garments and the
like while, at the same time, functioning to main
tain an inherent “fixed radius” in the tape where
invention;
Fig. 2 is an enlarged diagrammatic plan view
of a fragment of stringer tape constructed ac
cording to this invention;
by the inner zone or inner edge portion shall be
Fig. 3 is a section taken on the line 3-3 of
shorter than the outer zone or outer edge por
Fig. 2 and showing the ?rst pick or course of
_
tion.
The function of the intermediate or neutral
zone is to provide connection between the active
,
Fig. 4 is a view similar to Fig. 3, but taken on
the line 4-4 of Fig. 2 and showing the second
pick of the weave;
Fig. 5 is a view similar to Figs. 3 and 4, but
taken on the linev 5—5 of Fig. 2 and illustrating
the third pick of the weave;
Fig. 6 is a weave similar to Figs. 3, 4 and 5, but
showing the fourth pick of the weave; and
Fig. '7 is a view similar to Figs. 3, 4, 5 and 6, but
taken on the line ‘I—-‘I of Fig. 2, identical with
Fig. 3, and showing the recurrence of the ?rst
pick after the fourth pick of the weave.
While the principles of this invention are read
inner and outer zones as well as to provide a por
tion of the tape particularly adapted to receive
the stitches securing the tape to a garment or
support. In addition, a further and'important
function of the intermediate or neutral zone is
to provide an intermediate portion shorter than
both the outer zone and inner zone in order
to maintain suf?cient fullness in the inner zone
:3 e)
ily applicable to fastener stringer tapes made of
various materials, of widely varying speci?ca- ;
tions, and with interlocking fastener member
supporting edges reinforced in various ways as,
for instance, by edge reinforcement cords sewed
prising the six woven-in cords I, v2, 3, ll, 5 and 6)
is to support the interlocking fastener members
stantial freedom and ?exibility in order that they
shall mesh and unmesh with least strain upon
the tape and with least resistance to meshing
and unmeshing.
The main function of the outer zone of the
drawings which form a part thereof, and will be
pointed out in the appended claims.
the weave shown in Fig. 2;
The main function of the inner zone (which
includes the inner edge reinforcing bead com
‘ securely while at the same time permitting sub
_ tion taken in conjunction with the accompanying
In the drawings:
zone between the warp cord 8 and the outer edge
reinforcement formed by the warp cords 9 and
to achieve desirable ?exibility of the interlock
ing fastener members whereby to protect them
against destructive strains tending to remove
them or impair the security of their attachment
to the tape, or cause damage to the tape adjacent
the reinforced inner edge thereof. Thus, in each
series of four picks in the illustrated embodiment,
there are eight interlacings in the inner zone as
will hereinafter most clearly appear, while there
on opposite sides of the tapes adjacent the inner
are but seven interlacings in the intermediate
edge, I have herein illustrated one embodiment UU or neutral zone and twelve interlacings in the
of my invention embodying woven-in cord edge
tape radius maintaining outer zone of the tape.
reinforcements.
It is, of course, to be understood that where
In this embodiment, illustrated in Figs. 1-7,
the fastener is of extremely small size and the
the tape is provided at its inner‘, fastener member
strains to which it is subjected are extremely
supporting edge, with a reinforcement compris Go slight, the weaves may be changed to make the
ing six woven-in longitudinal cords I, 2, 3, 4, 5
sum of the interlacings in each series of picks
and 6, three at each side of the tape, the cords
uniformly progressive from the inner edge to the
I, 2 and 3 at one side having a right-hand twist
outer edge, of the tape, as, for instance, to pro
and the cords 4, 5 and 6 at the other side having
vide eight interlacings in the inner zone, ten
a left-hand twist, as shown by the arrows in
70 interlacings in the intermediate or neutral zone
Fig. 3,_ This tape is also provided with four lon
and twelve interlacings in the outer zone of the
gitudinal warp cords ‘l, 8, 9 and I0 which divide
tape. This secures ultimate ?atness of the tape
the tape transversely into three zones, two of
and freedom from puokering or ru?ling in the
these cords 9 and Ill being located adjacent one
inner zone.
.another at the outer edge of, the tape to secure 75
The tape is woven from a continuous Weft
6
thread .2 generally :designated :40 :and, :since :each
of the repeated units of the weaveiormedof
:from .under :the word‘ I :around and v.imder .the
nerd-i4, zovericordj .and. under 0016115 ;in the lbead.
.;It zextends .thence ‘.under .the ‘warp :thread 1| I,
.four :picks . or. courses, .these .picks for 1 courses are
designated-4l,_)42,.43.and.44. The ?rstipick is
:designatedittl :'(Figs.: 3 ..and >7). ; the second isdes
iignatedAZ l(F’ig. .4) ; ‘theithird is designated 43
f('Fig..-'5) ; rand “the ffourth .pick is designated :44
(Fig. .6), the ?rst .pick Al recurring after .the
i'fourthpickA4, as showniin Figs. 2and .7.
.The weave-of the-?rstpicki? is shownin ‘Fig.
13. ‘This weave ~is~agenerally ‘.‘over one and .under
:one” throughout and the weft thread :40 :passes
vunder ‘ the outer- edge reinforcement cord HI, over
the outer edge reinforcementeord'l9,:then under
each-of i-the warp threads 134, T312, 139, 28 and 26
eandover ‘the ‘alternate warp rthreadstii, '3l,129
-<andi21. inthezouterlzone. The weft thread then
1' over ‘warp. threads .1 2 .and 113,:underwarp ‘threads
J4 and .15, zover warp ‘threads 16 :and 11, and
(under .warpthread 1.8 in therinner zone. Thence
:the weft ithread passes ‘under the reinforcement
qicordfhand over {warp threads I9 and 520, under
warp threadsiiZ hand 22, over warp threadsZt and
yzlliand underxwarprthread 25 in :the intermediate
-:or>neutra1 zone. 'Thencethe weft threa'd'passes
Iunder the reinforcement-cord 18 and over’ warp
threads 26 [and 21, under warp Ithreads 12-8 and
29, over warp threads 30 and 3!, under ‘warp
15 1threa'dsi32 and133, and over warp thread 34 in
vpasses’ over‘ the reinforcement ‘cord 98 and .thence
the :outer *zone. ‘The weft thread then passes
‘under outer edge ‘reinforcement cord »9 ‘and over
the outer ‘edge reinforcement cord W, *as shown
inFig. 6.
under-the warp threads 25,-23, 2| "and +19 and
'over the alternate warp-threads: 2-4, '22 an'dI'ZU in 20
The ?rst pick 4! then recurs since the weft
‘the second, ‘intermediate "or neutral :zone. The
thread-then passes around and under the outer
"we’ft-threadthen passes-over the reinforcement
edge reinforcementccord 10, over outer "edge re
v Icor'd‘iT and~under the-'warp'threads l8, l5, I4 and
inforcement=cord ,9 .and under warp threads'st,
42 "and over the alternate warp threads ‘[7, 15,
32, 30, 28 and 26 and over the alternate warp
18 :and 1H > in the inner or ffastener member-sup .25 ‘threads‘33f3L'Zitand ‘21in the outer zone. 'The
"portingwzone. The ~~weft 'lthread then- passes over
weft thread then passes over the reinforcement
‘cord 8 .and-under'warp threads .125, 2:3, “21 and
thecor'd 3,=under'cor'd »2=and over cord -l in the
ibea'd "of- the reinforced inner edge.
t9 and .overthe alternate warp threads .24, 22
v‘lathe-second pieki42, as shownin-Fig. 4,>the
and .210 3in the intermediate or neutral zone.
weave 3is "generally -"-‘over two and under two.”
Thence .the .weft .thread .40 passes over the re
The weft‘rthread 40 passes over the edge rein~
inforcement cord ‘1 and under warp threads !8.
4.6, 14 .and 1.2 .and over alternate warp threads
iforcement'cordl, under: cord 51and over-cord 6
inithe bead. Thence it passes over ‘the warp
.11, 15,113 and.“ in theinner zone. The thread
‘then passes over the-inner edge reinforcement
thread-1H, under threads 12 ‘and I3, over warn
threadsll-‘ll'and l5, under warp threads-ISand-H ' .cordra, undercordz andover and-around cord
'andioverwarp threadl?in the‘inner zone. The
4, asshown .inEigs. 3 and '7~Whereupon theses
weft-thread then passes over~ the cord‘! and under
.ond‘pick recurs followedby thethird pick, then
"warp-‘threads |9=and 2il,~over warp threads 2|
the. ‘fourthpick, etc.
"and 22; underwarp threads '23-’ and: 24 and’ thence
.Asindicatedin FigsA-‘T inclusivegby the sym
over warp=thread>25 in the intermediate -' or ‘neu
..bol ‘£X,” between the ?rst and second picks
‘tral =zone. 'Thence the weft thread passes over
the reinforcement cord 8 andthen under warp
.(Eig. .4) .twointerlacingsoccur inrthe inner zone.
1i. ..e.,.one between warp threads 1-3 and t4 and
‘threads ~26<andl21,-over warp threads 28 and 29,
lunder'warp-‘th-rea‘dse? and 3 I, over warpfthreads
“32 and ‘a'i?gandthence-under warp-‘thread "34 in
~wise,.in. theintermediate- or-neutral zone ‘ two in
"the outer zone. The-we'ft-thread then passes over
the “reinforcement ‘cord “'9 and " under 1the rein
"forcementwzord i I'll.
*lnithe third pick 4-3, 'as shownin Fig. 5, the
"weave ‘is generally ' “over
and underv one”- as 50
in the ‘first pick. ‘The weft thread 40 passes
around and'over the 1outer edge reinforcement
*cord ‘10 and ‘under the reinforcement ‘cord 9,
thenceo-verand under alternate-warp threads in
‘the outer zone or, vin other words, over warp
*th-reads ‘~34, >32; 34.1, ‘28 and 26 and under the
alternate #warp ‘threads 33, v"3 I, '29 and 2-‘! in the
outer‘zone. ‘Theiweftithread'then passes under
.theother/between warplthreads Ilflvand Ht. Like~
.ter1acings--o.cour,.~one‘between warp threads 2!!
and .2! and .theother-between warp threads 24
.and .215. .In the outer vzone ‘two interlacings oc
.cur,.one between the warp ‘threads 21 and 23
.andzthe other hetweenwarp threads 3! and 32.
.Asshown .injfig. .5, between the second and
third.picks two interlacings occur in the inner
zone, one intheaintermediate or-neutral zone and
.four .in the :outerzone. In the inner vzone the
.i-nterlacings occur between the warp-threads H
vandlp-Z andlbetweenwarp-threads l5 and 16. In
the ~.intermediate .or neutral .zone the’ interlacing
occurs-hetweenthe warp threads 22 .and 23. In
the outer .zonelthe-interlacings occur between the
“the reinforcement ‘ cord ‘8' and‘ “over one and un
reinforcement cord 4! and the warp thread 26,
der one” throughout'the intermediate or-neut-ral 60 between warp threads 29 and‘30, between warp
zone, ‘passing over and under alternate warp
threads r33 and 34, and “between warp thread
'threads’in vthe 'neutralizone, that 1is, over warp
‘.34 andthesouter edge reinforcement cord 8.
‘threads 25, 23, '2! and"!!! and-under the alternate
Between - the .third -.and fourth picks, as shown
*warp threads ‘24, 22 ‘and 2!]. The weft thread
.inrFig. .6, two .interlacings occur in the inner
‘Ithenjpasses'under the‘reinforcement cord 1 and - '
zone, two in the intermediate or neutral zone
-‘over<'and under-‘alternate warp threads in ‘the
innerizone'or, inotherwordsover warp threads
andtwo in .the outenzone. -.In.the inner zone the
'interlacings ‘occur between warp threads .I3 and
‘l8, 16,1114 and 1-2 and under the alternate-‘warp
:threads 11, I5, l3 and II. Thence, in‘this third
‘I4 and'between warp'threads ‘i1 and I8. Inithe
intermediate .or neutral zone ‘the‘interlacingsoc
'cur'between'warp threads 20 and'2l and 'be
*tween warp ‘threads "24 ‘and '25. In ‘the ‘outer
zone -:the interlacings occur "between warp
threads '2'! and -2-8 andbet-ween warp threads 3|
and 32.
pick 43 the weft thread 40 extends from-under .
the warp thread :I I 'over 'cordfalunder cordZ ‘and
1'. over :cord .1 “in the ‘bead.
.In:the;fourth"pick 4.4,f'?STShQW1'1 in Fig. 6, the
».weave:is- generally “over :two and ' under :two,” . as
.in-the-secondpick.
Theweft thread :4‘0extends .
.iAs-shown?n Fig?, between the ifourthrpick 44
2,405,902
and recurring ?rst pick 41, two interlacings oc
cur in the inner zone, two in the intermediate or
neutral zone and four in the outer zone. In the
inner zone the interlacings occur between warp
threads II and I2 and between warp threads [5
8
what I claim as new and desire to secure by Let
ters Patent is:
1. In a-slide fastener tape, a. plurality of lon
gitudinally extending warps including one or
more of relatively large size along the outer edge
and It‘. In the intermediate ‘or neutral zone the
of the tape and weft threads extending across
interlacings occur between the reinforcement
the tape and interwoven therewith, the interlac
cord ‘I and warp thread l9 and between warp
ings or crossings of said weft threads being more
threads 22 and 23. In the outer zone the inter
concentrated in the region of said large cords re
,lacings occur between the reinforcement cord 8 10 sulting in a greater pile-up of the Weft threads
and warp thread 26 and between warp threads
along that edge than in the other portions of
29 and 30, between warp threads 33 and 34, and
the tape, whereby a curve is imparted to the
between warp thread 34 and reinforcement
tape without resort to abonormal tensions or
cord 9.
twists of the warp threads.
From the above it will clearly appear that in
2. In‘a tape for slide fasteners of the class de
each series of four picks the number of inter
scribed, a plurality of longitudinally extending
lacings occurring in the inner zone between the
relatively small warp threads, a plurality of rel
bead and the reinforcement cord 1 is:
atively larger warp threads arranged along one
or the inner edge of said tape so as to provide a
2(Fig. 4) +2(Fig. 5) +2(Fig. 6) +2(Fig. '?)=8
20 beaded edge therealong for attachment of fas
Likewise, the number of picks occurring in the
tener elements thereto, one or more relatively
intermediate or neutral zone is:
large warp threads arranged along the opposite
2(Fig. 4)+1(Fig. 5) +2(Fig. 4) +_2(Fig_ '7) :7
or outer edge of said tape and at least another
relatively large warp thread arranged interme
And the number of interlaoings occurring in the 25 diate the edges so as to divide the tape into‘ a
outer zone is:
2(Fig. 4) +4(Flg. 5) +2 (Fig. 6) +4(Fig. '7) =>l2
Thus, since there are more interlacings in the
outer zone than in the inner zone the length per
unit of picks is greater in the outer than in the
inner zone and the tape, by this weave, is given
an inherent ?xed radius or curvature which will
not be affected by wetting, drying or dyeing.
plurality of longitudinally extending zones, and'
a continuous weft thread interwoven back and
forth, through and between all of said, warp
threads, each pick of said weft threads extend
ing substantially throughout the width of the
tape and interwoven in such a manner that the
interlacings or crossings of the weft threads with
the warps are more concentrated in the zone be
tween the intermediate larger warp thread and
Because there are no differential stresses in the 35
the outer edge than in'the zone between the in
weave, shrinkage will be substantially uniform
termediate larger warp thread and the inner or
throughout and will not affect this curvature. It
beaded edge, thereby resulting in a greater pile
is also to be noted that three interlacings occur
up of the weft thread in the area or zone along
in the outer edge reinforcement in each series of
the outer edge portion of the tape than in the
picks, namely, none between the ?rst and sec 40
zone or area along the inner edge portion there
ond pick (Fig. 4), one between the second and
of, whereby a natural curved tape having a ?xed
third pick (Fig. 5), one between the third and
radius is provided.
fourth pick (Fig. 6) and one between the fourth
3. In a tape for slide fasteners of the class de
pick and recurring ?rst pick (Fig. '7). Due to
scribed,
a plurality of longitudinally extending
the fact that the reinforcement cords 9 and Ii)
relatively small warp threads, a plurality of rel
have a greater thickness or radius than the warp
atively larger warp threads arranged along one
threads l—-34, resulting in a greater area of con
or the inner edge of said tape so as to provide a
tact where the weft threads cross or interlace,
beaded edge therealong for attachment of fas
the piling up is greatest in these outer edge re
tener elements thereto, one or more relatively
inforcement cords, which is extremely desirable
because the outer edge reinforcement imparts to
large warp threads arranged along the opposite
‘the tape a substantial part of its structural
relatively large warp threads arranged interme
strength and because it is, obviously, desirable
that the tape shall be longest at its outer edge.
In the embodiment illustrated, the variation in
length between the outer and intermediate zones'
imparts the ?xed radius to the tape and the ex
cess length of the inner zone over that of the
or outer edge of said tape, a plurality of similar
diate the edges of the tape and spaced from each
other so as to divide the tape into a plurality of
longitudinally extending zones, and a continu
ous weft thread interwoven back and forth
through and between all of said warp threads,
each pick of said weft threads extending sub
intermediate zone provides fullness in the inner
stantially throughout the width of the tape with
zone whereby the necessary flexibility of support
the weft threads interwoven in such a manner
of the fastener members is achieved. As point
that the interlacings or crossings of the weft
ed out above, the relation of zone lengths may be
threads with the warps are more concentrated
varied, as desired, whereby the length of the tape
in the zone between the outer edge and the ad
(as a whole) varies progressively from the inner
jacent intermediate relatively large warp
to the outer edge of the tape, where such fullness
65 thread than in any of the other zones thereby
is not desired. Other variations are, of course,
resulting in a greater pile-up of the weft thread
comprehended, as, for instance, elimination of
in the area or zone along the outer edge portion
the cords or various zoning arrangements other
of the tape than in any other zone or area where
than that illustrated.
by a natural curved tape having a ?xed radius is
It is, of course, to be understood that the above 70 provided.
'
'
description is merely illustrative and in no wise
4. In a slide fastener tape, a plurality of lon
limiting and that I desire to comprehend wihin
gitudinally extending warps and weft threads
my invention such modi?cations as are included
extending across the tape and interwoven there
within the scope of the appended claims.
with, each pick of said weft threads extending
V . Having thus fully described my invention, 75 substantially throughout the width of the tape,
2,405,902
of the warps except in that portion of the tape
along the outer edge thereof where said weft
more concentrated along the outer edge portion
than in any other portion of the tape, thereby
resulting in a greater pile-up of the weft threads
along that edge portion so that said outer edge
is greater in length than the other portions of
the tape, whereby a natural curve is imparted to
threads extend over one and under one of the
the tape without resort to abnormal tensions or
alternate picks of the weft threads extending
over one and under one of the warps and the
pick of the weft threads between said alternate
weft threads extending over two and under two
twists of the warps.
warps in each pick with the weft threads and
6. In a slide fastener tape, a plurality of longi
warps along the outer edge portion being con
structed and arranged so that the interlacings 10 tudinally extending Warp threads and a plural
ity of relatively large warp threads along the in
or crossings of the weft threads along the outer
edge portion are more concentrated than in any
ner edge to provide a beaded edge for attachment
other portion of the tape, thereby resulting in
of fastener elements, a pair of such larger warp
threads along the opposite or outer edge, and a
a greater pile-up of the weft threads along that
edge portion than in the other portions of the 15 plurality of such larger threads spaced apart in
tape, whereby a natural curve is imparted to
the tape without resort to abnormal tensions or
twists of the warps.
5. In a slide fastener tape, a plurality of warp
termediate the edges so as to provide guide lines
dividing the tape into at least three zones, weft
threads extending across the tape and inter
woven therewith, each pick of said weft threads
threads including a plurality of relatively large 20 extending substantially throughout the width of
the tape, said weft threads being interwoven with
warp threads along one edge and at spaced
the warps in such a manner that the interlac
points intermediate the edges, and weft threads
ings or crossings of the weft threads with the
extending across the tape and interwoven there
warps are more concentrated in the zone along
with, each pick of said weft threads extending
substantially throughout the width of the tape, 25 the outer edge portion than in the other zones,
thereby resulting in a greater pile-up of the weft
said weft threads being interwoven with the
warps in such a manner and the weft threads
threads in said outer zone, whereby a ?xed ra
dius curve is imparted to the tape without re
and warps being constructed and arranged so
sort to abnormal tensions or twists of the warps.
that the interlacings or crossings of the weft
NOEL J. POUX.
threads along the outer edge of the tape are 30
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