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Патент USA US2128877

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Aug. 30, 1938.
Filed Ju'ne 10,1936
L ___________________ u‘
____3 177/326 77/770?"
a3 $072M, mu’, WWW my. '
'_ 2,128,877"
Patented Aug. 30,1938
" ‘2,128,877
Trevor R. Gautier, Nashua, N. l-L, assignor to
Nashua Gummed and Coated Paper Company,
Nashua, N. H., a. corporation of Massachusetts
Application June 10, 1936, Serial NO. 84,467
3 Claims. (C1. 101--426)
My present invention relates to the art of con
tinuous or repeat design printing, such for ex
. ample as in the printing of strips of labels and
‘ the like wherein the design is repeated through
5 out inde?nite lengths of the strip .material.
More particularly theinvention aims to provide .
an improved method, and means applicable in
connection with such printing whereby not only
are unsightly and dis?guring markings between
105-1‘ successive designs avoided but the design units
as a whole are supplemented or given a more ?n
ished appearance with little or no increase in the
manufacturing cost.
In the drawing, illustrating examplesof strip
15: 5 material incorporating designs printed in accord
ance with the method of my invention, and
showing means for practising such method,
Figs. 1, 2 and 3 each show the outer or labeled
face of strips or tapes typical of the invention; ‘
Fig. 4 is a plan view of a portion of a printing
I plate whereby the terminal design effects as in
Figs. 1 to ‘3 may be obtained; and
Fig. 5, corresponding to Figs. 1 to 3, and Fig. 6,
corresponding to Fig. 4, respectively show an
25 other example of a strip and a plate in accord
ance- with the invention.
Heretofore in printing of the character ' re
ferred to, wherein a given designunit is to be re
peated continuously throughout an inde?nite
30‘ length of the material, dis?guring formations
have generally resulted between successive de
signs. Such dis?gurations are in some instances
straight line breaks, due to failure of the suc
cessive impressions or imprints accurately to abut
35 each other along the straight terminal edge of
the printing plate. In other instances the dis?g
urations comprise unsightly stripes or bars at the
juncture of the succeeding designs, caused by an
overlapping of the successive imprints or impres
40 sions to a greater or less extent.
Such dis?gur
ing markings may result from uneven movement
of the material printed upon, or from inaccura
cies in the action of the'printing element or plate,
Whether of the cylinder or ?at-bed type. More
" frequently they are caused‘ by shrinkage or ex
pansion of the plates from time to time.
" So far as I am aware such objectionable for~
mations between impressions have heretofore
been avoided, if at all, only in rotary printing and
50“ then only by the use of cylinders whereon the de
sign has been engraved or otherwise applied so
as to be continuous upon a single cylinder. Such
cylinders are costly and may pro?tably be used
only for expensive products, such as the ?nest
grades of wallpaper, or in cases where large runs
of a given design are to be made, so that the
cylinder cost can be spread over a large produc
tion. In accordance with my invention I over
come the objection referred to, and particularly
in connection with relatively small runs of the
printed strip material, by producing specially
con?gured complete or partial overlaps at the
juncture zones of successive impressions and by
conforming such con?gurations to the designs as
a whole, or causing them to supplement other
portions of the designs, in a pleasing and artistic
Referring more particularly to the drawing,
and first to Figs. 1 to 4, I have shown in Fig. 4
a representative sectionv of a copper, zinc orother
printing plate 8 secured‘ upon a usual wooden
or other mounting block 9. This plate is specially‘
formed and designed for use in the production
of the label strips or tapes such as those of Figs.
1 to 3. Label strips of this type are customarily 20
printed in multiples on a web of paper or other
material of a width accommodating a number of
the ultimate strips in multiples transversely of
the sheet, and the printed web is subsequently
slitted longitudinally to form the individual strips
or tapes. The plate 8 as shown is arranged for
such multiple simultaneous printing, of a num
ber of strips, which are to be slitted along lines
corresponding to the dotted lines numbered l—-l,
2-2 and 3-—3 in Fig. 4 to form the individual
strips such as in Figs. 1 to 3.
For the purposes of description
sumed that the main areas of the
of Fig. 1, 8B of Fig. 2 or 80 of Fig.
by the white or unlined areas in
it may be as
label strip 8A
3, represented
those ?gures,
are to be printed in a selected base color or col
ors, for example yellow. The wide-spaced hori
zontal lining on Figs. 1, 2, 3 and 5 represents such
printed base coloring.
The successive design
units or individual label portions of the strips
are designated by the reference characters A, B
and C. One entire unit, B, is illustrated, extend
ing between the points marked a), .73, together with
portions of the next adjoining units A and C, at
either side of unit B. Each such label or design
unit generally embodies some particular decora
tive design including any advertising or other
printed matter, legends, and the like, and such
portions of the labels are indicated by the areas
enclosed in dotted lines and indicated by the nu 50
merals 10, both on thestrips and on the plate 8.
Customarily heretofore the plates and conse
quently also the individual impressions or label
units have had uninterrupted straight front and
rear edges, perpendicular throughout to the side
edges or slit lines of the several strips. Any over.
lap of a following impression upon a preceding
one, or any gap between such impressions ac
cordingly resulted in an. unsightly transverse
band. But under my present invention I form
the front or the rear edges of the printing plate,
and inmost instances, such as illustrated, both
.such edges, along selected geometrical lines,
straight or curved, so as to produce at the junc
1.0 ture zone between successive label units a prede
Such configuration, as illustrated in Figs. 1 to 3,
may conform to and blend with the main design
such as represented by the area if], or it may
15 itself constitute an additional or complementary
feature of design intermediate the adjoining label
Accordingly the plate as illustrated in Fig. 4 is
predeterminedly shaped along one or both its
20 transverse edges, as for example by the provision
of the pointed side portions or extensions Illa
and the arcuate intermediate portion lllb, in this
instance convex.
.Such a conformation is espe
cially calculated to conform to a design area such
251 as indicated at ID in the particular example, but
it will be understood that the particular edge
formation selected may be Widely varied to pro
vide any selected geometrical or decorative con
?guration at the design unit juncture zones.
30' Where both transverse edges of the plate are
specially formed, as in the illustrations, the for
mations or geometrical lineaments at the leading
edge and the rear edge desirably are similar but
H oppositely disposed, each to produce one-half of
the cooperatively resulting con?guration.
One resulting terminal or juncture zone design
for the successive impressions or label units ob
tainable with the plate 8 of Fig. 4 is illustrated
in Fig. 1. Each following impression or imprint
40 is made with a calculated overlap upon the one
son of Figs. 1 and 3. Moreover, the con?gu
rated end portions of the plate which cooperate
in successive imprints to produce the pleasing
designs at the unit juncture zones, said end por
tions comprising for example the parts Iiia and
lilb of Fig. 4, are themselves of equal or greater '
longitudinal extent than such maximum varia
tion tending to decrease the overlap‘.
Thus even
in the extreme case such as Fig. 3 each unit has
at, its opposite ends terminal or juncture design 10
portions formed in part by the preceding and
the succeeding imprint, and it will be understood
that in the ?nished product the individual label
or design units as an entirety extend from the
intermediate point an of one juncture zone to the
corresponding point x of the next such zone. In
use, the label strips are intended to be severed at
a point at, to include one or any desired number
of the. labels or units in the particular strip, as
conditions require.
However, severance of the strips directly at a
juncture zone, in conjunction with delivering or
drawing off the printed strip material from a sup~
ply, can be insured only by careful hand opera
tion or by special registering mechanism. And 25
in'accordance with my invention such severance
accurately between design units or imprints be
comes much less important, because of the avoid
ance of unsightly stripes or breaks in the print
ing and the provision instead of pleasingly con 30'
?gurated juncture zones. Thus, if a strip is cut
off at points spaced from said zones, giving
lengths of strip such as represented in the en
tirety of any of Figs. 1, 2, 3 or 5, there is no ob
jectionable dis?guring inter-unit band, gaping 35
stripe or straight-lined bar prominently present
ed, but the length as a Whole is to the contrary
made more attractive by the different-toned con
?gurated juncture zones as illustrated.
preceding, producing a con?guration represented
Thus the feed of the strip material between
successive impressions and the length of the plate
by the lined zones or areas located between the
lines b, a and between the lines o, b’ in said ?g
ure. From a comparison of Fig. 1 With the plate
lapping con?guration as indicated by the ?nely
45. of Fig. 4 it will be seen that the unit A,'at the
different color,‘shade or tone from that of the
left, includes a portion produced by one imprint
and extending to the right to the line a, as indi
cated by the horizontal arrow. It also includes
a portion produced by the subsequent imprint,
50 that of the next or B unit, extending to the left
as far as the line b, as indicated by the horizon
tal arrow associated with the B unit. In other
words, the length of feed of the strip between
successive imprints is deliberately less than the
length of the printing plate, this difference in
feed length corresponding to the distance between
the line b and the adjacent line a, in‘the exam.
ple of ,Fig. 1. Assuming, with reference to said
Fig. 1, that an imprint has just been made by
60 plate 8 of Fig. 4 extending from the lefthand line
b to the righthand line b’ indicated at the top of
Fig. 1. The strip’material would then be fed, say
toward the left in 'said ?gure, only so- far as to
bring the righthand line b" over to the line a.
The immediately following imprint then produces
the overlapped con?guration as represented by
the ?ne horizontal shading. ' As referred to later,
Fig. 3 represents one extreme condition, of de
creased overlap, due to plate shrinkage, irregular
70 feed, or other cause. But an overlap, as repre
sented by the ?nely shaded area in said Fig. 3,
still occurs because the difference in feed length
as compared with plate length, as represented by
the'distance b—-a in Fig. 1, remains at least equal
75 to any such variation, as evident from a compari
are calculated to produce the determined over
or closely shaded zone.
This zone will be of a
immediately adjoining portions of the several
For example, in the instance of a yellow
background as previously assumed, the designed
juncture zone will be ‘of a deeper shade of yellow,‘
thus producing in effect a two-color or additional
color printing job but without actually using an
additional color or plate. It will also be seen
that the geometrically designed juncture zones
not only conform to the general design H! of the
units but also supply additional design matter, -
complementing and setting off the general‘ de
signs l0 and affording a ?nished appearance for
the respective design or label units.
Under the practice of my method there is as
previously indicated the additional advantage
that variations in the extent of the complete
or partial overlap between units are rendered
immaterial, since they result merely in variations
of the designed juncture zones, all generically
related, and which still are decorative and serve
the intended purpose. In Fig. 2 for example I
have shown a designed con?guration as result
ing in the event of a greater overlap than in
Fig. 1, and in Fig. 3 a con?guration resulting
with less overlap than in Fig. 1. The variant for 70
mations of Figs. 2 and 3 represent rather ex
treme conditions of overlap variation likely to
occur by reason of expansion or shrinkage of the
plates, or for other cause, as compared with the
form of Fig. 1. Other variations obviously may
be obtained, in accordance with the feed of the
material, the dimensioning of the plates, and
any other ‘attendant factors,
In Figs. 5 and 6 I have shown a label tape
or strip, and a plate for printing the same, illus
trating another of the numerous forms contem
plated in accordance with the means and meth-v
od of my invention. Similar reference characters
are used as in the preceding ?gures to indicate
10 the label units as a whole and the terminal points
of the successive imprints. In this instance the
plate I2,'Fig. 6, mounted on the usual block I3
is engraved or otherwise prepared with the main
design areas I4. The transverse terminal edges
15 of the plate according to this form include the
relatively blunt protuberant or pointed portions
Ma, Ma and an intermediate arcuate portion Mb
shown as concave.
The resulting con?guration
for the juncture zones of the tape, employing a
20 medium extent of overlap, corresponding approx
imately to that as in Fig. 1, is represented on the
label strip or tape I2A of Fig. 5. As in the pre
ceding ?gures the individual label or design units
as an entirety, in the ?nished product, lie be
tween the points x, x. The juncture zones, rep
resented by the shaded areas, have portions
formed by each of two succeeding impressions or
imprints, as previously described.
It will be understood that my invention, either
as to means or method, is not'limited to the ex
emplary embodiments or steps herein illustrated
or described, and I set forth its scope in my fol
lowing claims:
1. The improved method of‘ applying repeat
unit designs in printing on sheet material of in
de?nite length which comprises forming the lead
ing and terminal edges of a printing element of
single-design-unit length along plural-directional
lines cooperable in successive imprints to pro
40 vide a pleasing design, printing with said ele
ment successive imprints wherein portions of said
edge formations so overlap as to produce a cal
culated pleasing design at the unit juncture
zone, and subsequently severing the sheet mate
rial transversely thereof within the juncture
zones corresponding to the lengths of material
.2. The improved method of applying repeat
unit designs in printing on sheet material of in
de?nite length which comprises forming the
leading and terminal edges of a printing ele
ment of single-design-unit length along plural
directional lines cooperable in successive im
prints to provide a pleasing design, relatively
moving the material and the printing element be
tween successive imprints to an extent less than
the length of the printing element, and printing 15
with said element successive imprints wherein
portions of said edge formations are by said lim
ited relative movement caused so to overlap as
to produce a calculated pleasing design at the
unit juncture zone, whereby the obtrusive ap 20
pearance of unsightly demarking breaks, stripes
and bands between design units is avoided.
3. The improved method of applying repeat
unit designs in printing on sheet material of in
de?nite length which comprises forming the 25
leading and terminal edges of a printing element
of single-design-unit length along plural-direc
tional lines cooperable in successive imprints to
provide a pleasing design, relatively moving'the
material and the printing element between suc 30
cessive imprints to an extent less than the length
of the printing element, printing with said ele
ment successive imprints wherein portions of said
edge formations are by said limited relative move
ment caused so to overlap as to produce a cal- -
culated pleasing design at the unit juncture zone,
whereby the obtrusive appearance of unsightly
demarking breaks, stripes and bands between de
sign units is avoided, and subsequently severing
the sheet material transversely.
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