US2907355A

US2907355A - Tape for slide fasteners

Info

Publication number: US2907355A
Application number: US535838A
Authority: US
Inventors: James A Hendley
Original assignee: Talon Inc
Current assignee: Talon Inc
Priority date: 1955-09-22
Filing date: 1955-09-22
Publication date: 1959-10-06
Anticipated expiration: 1976-10-06
Also published as: BE551076A; GB835428A; CH335619A; FR1156726A

Description

1959 J. A. HENDLEY TAPE FOR SLIDE FASTENERS Filed Sept. 22. 1955 INVEN TOR.

J44: ,4. fif/v zil BY Cf 4770/01/54 TAPE FOR SLIDE FASTENERS James A. Hendley, Stanley, N.C., assignor to Talon, Inc., a corporation of Pennsylvania Application September 22, 1955, Serial No. 535,838

9 Claims. (Cl. 139384) This invention relates to tapes for slidefasteners, and particularly to a new and improved woven beaded edge tape therefor.

The conventional. slide fastener consists generally of a pair of beaded edge stringer tapes having a series of spaced-apart interlocking fastener elements clamped to the beaded edges thereof. Heretofore, the beaded edges on the tapes were formed by sewinga pair.of cords along the tape with one disposed on either side thereof. Such a method of making a beaded edge was not only tedious but expensive. It not only necessitated a special sewing operation but required the need of special sewing machines and other equipment for guiding the cords to the needle. It also required special handling and stocking of difierent cords and thread aswell as tapesto match in color. Accordingly, it will be seen that the above operations added materially to the cost of manufacturing slide fasteners.

While various integrally woven beaded edge tapes have been heretofore suggested and used, they have not been entirely satisfactory, particularly those that were made on a shuttleless or needle loom. In most of these tapes, there is usually provided two or more cords along the edge to form the bead which are usually held in position by the weft threads which pass between and In such construction, it is difficult to. maintain the cords under proper tension. during -,the,

around the cords.

weaving operation and a beaded edge ofwidely varying dimensions resulted which was unsatisfactory. Also,

in some sconstructions, the tape tended to hump or coil and did not lie flat after the fastener elements;were attached thereto.

It is the general object of the present invention to provide an improved integrally woven beaded edge tape for slide fasteners wherein the above. mentioned disadvantages of such tapes heretofore proposed is eliminated.

It. is another object of the invention to provide an improved woven beaded edge tape .which is inexpensive to manufacture and to which the fastener elements can be satisfactorily clamped and which has .all of the.advantages of a sewed tape without v necessitating a sepa: rate sewing operation.

It is a further object of. the inventionto. provide an improved integrally woven beaded vedge tape wherein the bead consists of a pair of, preferably oppositetwisted cords interwoven with the .weftthreadsoas to provide a medium hard bead which is sufiiciently soft andhas adequate bulk and-yet, does not impair the flexibility of;

the stringen;

It-isa more specific object of thisinventionto provide.;an.,integrally woven beadededge .tape wherein. a pair oflcords are interwoven with double picks-ofthe weft thread whereby it may easily and conveniently be Woven on a shuttleless or needle loom.

Various other objects and advantages of this" in-- vention will be-more apparentin the course-of the-folatent if lowing specification, and will be particularly pointed out in the appended claims.

In the accompanying drawings, there is shown; for the purpose of illustration, an embodiment and modification thereofwhichmy invention may assume in practice. In these drawingsz. t Fig. 1 is a plan view of a slide fastener stringer having a tapeconstruction in accordance with the present in-,

vention,

Fig. 2, is a plan view of the stringer tape before the fastener elements are attached thereto, v

Fig. 3 is'an enlarged plan view of a fragment .of a stringer tape construction .in accordance with my invention.

Fig. 4 is an enlarged view showing .the beaded edge .of the tape, from the outer side,

. Fig. 5 is a sectional view taken online 5 .5 of Fig. 4,

Fig. 6 is a sectional view taken on line 6 -6 of Fig. v 4,

and

Fig, 7 is a view similar to Fig-4 showing a modified.

form of construction of the beaded edge. of the presentinvention.

In Fig. 1 of the drawings, there is illustrateda con-,. ventional slide fastener stringer comprisinga stringer tape 2 having a beaded edge 3 arranged along oneedge thereof to which there is attached a series of spaced-.1 apart interlocking fastener elements 4.. his the con-,-

ventional practice to clamp the fastener elements tothe beaded edge of the tape and the present invention.

is primarily concerned with the formation of this beaded edge. along the stringer tape.

bone weave is shown. ,The body. of theltape orweb portion consists of a plurality ofv warp threads 6 inter,-v

. woven with a Weft or fillerj threads 7. The weavejof each of the picks as shown, is over .two. and under. two of the warp threads throughout the tape, but,;if desired,.. the two warp ends nearest the cords of the. weave -may- The particular weave .or. design shown in the bodyof the tape is not important.

be over one and under one.

as it constitutes no part. of the present. invention.

The cord 4 is held in positionby loops..8 of. theweft;

thread onone side of the tape and vthecord .5 isheld in position by loops 9 of .the weft thread on theoppp-e site side thereof. On the outer side ofthe two. cords 4 and 5, and therebetween along the edge. of the tape there is arrangeda pair of longitudinally extending warp threads 10 which aid in anchoring the weft threads in position and which are interwoven therewith in a manner to be presently explained.

that the weft loops 8 on oneside of the tape alternate with or are staggeredrelative.tothe weft loops-9 one the opposite sidethereof. Such staggering provides .a relativelylarge space between the loops on either. side, of=the tape so that the cords *4 and, 5 are not too confined and may readily expand between the weft loops...

It will be understood thatjieach of the weftloops 8 and:9 is a doublepick and this tape has been designed primarily to be weaved on a so-called needle or -shutt1e---' less loom.

In-the tape construction as above described, it willf beseen thatthe tape is woven from a continuous weft threadwith a double pick disposedoverand through the" Patented Oct.'6, .1959

It will u be noted;

warp threads and cords as shown in the drawings. In the embodiment of my invention, as shown in Figs. 1 through 7 of the drawings, and more particularly Fig. 4 thereof, the weft thread 7 passes through the web portion of the tape over the cord 4 on one side of the tape,-

as at A; in under and between the two warp threads 10 at the outer edge of the tape, as at B; back between the cords 4 and 5, as at C; and through the web to the inner edge of the tape, then back through the web between the cords 4 and 5, as at D; between the warp threads 10 and therearound, as at B; then back between the warp threads 10, over the other cord on the opposite side of the tape, as at F, and through the web to the inner edge of the tape, then back through the web and over the cord 5, as at G; between the warp threads and back between the cords 4 and 5, as at H; and through the web again to the inner edge of the tape, then back through the web and between the cords 4 and 5, as at I; and around both of the warp threads 10, as at H; over the cord 4, as at J; and back through the web portion of the tape. This completes one complete cycle of the weaving operation.

Thus, it will be seen that one double pick of the weft thread is disposed in the web portion of the tape and around the cord 4 on one side of the tape. The next double pick is disposed between the warp threads 10, the cords 4 and 5, and in the web of the tape. The next successive double pick is disposed in the web portion of the tape around the cord 5 on the other side of the tape and between the warp threads 10, and the next double pick is disposed between the cords 4 and S and the web of the tape with the lay of the double picks thereafter repeated.

In Fig. 7 of the drawings, there is shown a slight modification in accordance with the present invention. In this construction, the weft thread 12 passes through the web portion of the tape, over one of the cords on one side of the tape, between the warp threads 13 at the outer edge of the tape, around both of the warp threads and back therebetween the two cords 14 and 15 and through the web, then back through the web and around the cord on the opposite side of the tape, between the warp threads 13 and around both of them and back through the web between the cords 14 and 15. In this construction, the two warp threads 13 criss-crosss and a chain-like design of these two warp threads results.

In both constructions, it will be understood that the weft .thread is interwoven securely with the binder or warp threads at the edge of the tape with these warp threads crowded between the cords so as to be protected against abrasion from the fastener elements when they are attached thereto. It will also be seen that each double pick of the weft thread passes around or between these warp threads.

As a result of my invention, it will be seen that there is provided an integral woven beaded edge tape wherein the beaded edge is extremely flexible and soft enough to conform to the inside shape of the jaws of the fastener elements. Thus, it will be seen that a tape constructed in accordance with the present invention has many advantages over a tape having sewed cords to provide a beaded edge.

While I have shown and described several embodiments which my invention may assume in practice, it.

will be understood that these embodiments are merely for the purpose of illustration and description, and that other forms may be devised within the scope of my invention as defined in the appended claims.

What I claim as my invention is:

1. In a tape for slide fastener stringers of the class described, a plurality of longitudinally extending warp threads, a continuous weft thread interwoven back and forth through and between said warp threads so as to provide a woven web, a beaded edge arranged along one edge of said tape formed by two relatively large soft cords, one cord being disposed on each side of the tape, the cords being held by loops of said weft thread, a plurality of longitudinally extending warp threads arranged on the outer side and between said cords, said last mentioned warp threads being arranged relative to one another so as to provide a series of spaced-apart loops therealong and therebetween in which the weft thread is disposed, each lay of the weft thread being a double pick and extending over and around either one or the other of said cords and over and between said last mentioned warp threads.

2. In a tape for slide fastener stringers of the class described, a plurality of longitudinally extending warp threads, a continuous weft thread interwoven back and forth through and between said warp threads so as to provide a woven web, a beaded edge arranged along one edge of said tape formed by two relatively large soft cords, one cord being disposed on each side of the tape, a plurality of longitudinally extending warp threads arranged on the outer side and between said cords, each lay of the weft thread being a double pick, the cords being held in position by spaced-apart double loops of said weft thread, the double loops disposed around one of the cords on one side of the tape being alternated relative to those disposed around the other cord on the opposite side of the tape, alternate double picks of the weft thread extending over and around either one or the other of said cords with the double picks in between extending between said cords, each of said double picks being looped around at least part of said last mentioned warp threads.

3. In a tape for slide fastener stringers of the class described, a plurality of longitudinally extending warp threads, a continuous weft thread interwoven back and forth through and between said warp threads so as to provide a woven web, a beaded edge arranged along one edge of said tape formed by two relatively large soft cords, one cord being disposed on each side of the tape, a plurality of longitudinally extending warp threads arranged on the outer side and between said cords, each lay of the weft thread being a double pick, the cords being held in position by spaced-apart double loops of said weft thread, the double loops disposed around one of the cords on one side of the tape being alternated relative to those disposed around the other cord on the opposite side of the tape, alternate double picks of the weft thread extending over and around either one or the other of said cords with the double picks in between extending between said cords, each of said double picks being looped around all of said last mentioned warp threads.

4. In a tape for slide fastener stringers of the class described, a plurality of longitudinally extending warp threads, a continuous weft thread interwoven back and forth through and between said warp threads so as to provide a woven web, a beaded edge arranged along one edge of said tape formed by two relatively large soft cords, one cord being disposed on each side of the tape, a plurality of longitudinally extending warp threads arranged on the outer side and between said cords, each lay of the weft thread being a double pick, the cords being held in position by spaced-apart double loops of said weft thread, the double loops disposed around one of the cords on one side of the tape being alternated relative to those disposed around the other cord on the 0pposite side of the tape, the weft thread passing through the web, over one of said cords, around at least part of said last mentioned warp threads at the edge of the V tape, between the cords and through the web, then back through the web, over the other of said cords, and around at least part of said last mentioned warp threads and then back through the web between said cords.

5. In a tape for slide fastener stringers of the class described, a plurality of longitudinally extending warp threads, a, continuous weft thread interwoven back and forth through and between said warp threads so as to provide a woven web, a beaded edge arranged along one edge of said tape formed by two relatively large soft cords, one cord being disposed on each side of the tape, a plurality of longitudinally extending warp threads arranged on the outer side and between said cords, each lay of the weft thread being a double pick, the cords being held in position by spaced-apart double loops of said weft thread, the double loops disposed around one of the cords on one side of the tape being alternated relative to those disposed around the other cord on the opposite side of the tape, the weft thread passing through the web, over one of said cords, around at least one of said last mentioned warp threads and between said threads at the edge of the tape, between said cords and through the web, then back through the web, over the other of said cords, between said last mentioned warp threads and around at least one of said threads, and then back through the web between said cords.

6. In a tape for slide fastener stringers of the class described, a plurality of longitudinally extending warp threads, a continuous weft thread interwoven back and forth through and between said warp threads so as to provide a woven web, a beaded edge arranged along one edge of said tape formed by two relatively large soft cords, one cord being disposed on each side of the tape, at least a pair of longitudinally extending warp threads arranged on the outer side and between said cords, each lay of the weft thread being a double pick and extending over and around either one or the other of said cords and over and between said last mentioned warp threads, the cords being held in position by spaced-apart double loops of said weft thread, the double loops disposed around one of the cords on one side of the tape being alternated relative to those disposed around the other cord on the opposite side of the tape.

7. In a tape for slide fastener stringers of the class described, a plurality of longitudinally extending warp threads, a continuous weft thread interwoven back and forth through and between said warp threads so as to provide a woven web, a beaded edge arranged along one edge of said tape formed by two relatively large soft cords, one cord being disposed on each side of the tape, at least a pair of longitudinally extending warp threads arranged on the outer side and between said cords, each lay of the weft thread being a double pick, the cords being held in position by space-apart doubleloops of said weft thread, the double loops disposed around one of the cords on one side of the tape being alternated relative to those disposed around the other cord on the opposite side of the tape, the weft thread passing through the web, over one of said cords, around at least one of said last mentioned warp threads and between the same at the edge of the tape, between said cords and through the web, then back through the web, over the other of said cords, between said last mentioned warp threads and therearound and then back through the web between said cords.

8. In a tape for slide fastener stringers of the class described, a plurality of longitudinally extending warp threads, a continuous weft thread interwoven back and forth through and between said warp threads so as to provide a woven web, a beaded edge arranged along one edge of said tape formed by two relatively large soft cords, one cord being disposed on each side of the tape, at least a pair of longitudinally extending warp threads arranged on the outer side and between said cords, each lay of the weft thread being a double pick, the cords being held in position by spaced-apart double loops of said weft thread, the double loops disposed around one of the cords on one side of the tape being alternated relative to those disposed around the other cord on the opposite side of the tape, the weft thread passing through the Web, over one of said cords, between and around both of said last mentioned warp threads at the edge of the tape, between said cords and through the web then back through the web, over the other of said cords, between said last mentioned warp threads and then back through the web between said cords.

9. In a tape for slide fastener stringers of the class described, a plurality of longitudinally extending warp threads, a continuous weft thread interwoven back and forth through and between said warp threads so as to provide a woven web, a beaded edge arranged along one edge of said tape formed by two relatively large soft cords, one cord being disposed on each side of the tape, at least a pair of longitudinally extending warp threads arranged on the outer side and between said cords, each lay of the weft thread being a double pick, the cords being held in position by spaced-apart double loopsof said weft thread, the double loops disposed around one of the cords on one side of the tape being alternated relative to those disposed around the other cord on the opposite side of the tape, the weft thread passing through the web, over one of said cords, in under and around at least one of said last mentioned warp threads at the edge of the tape, and between said threads and said cords through the web, then back through the web, over the other of said cords, between said last mentioned warp threads and then back through the web between said cords.

References Cited in the file of this patent UNITED STATES PATENTS 2,333,352 Wintriss Nov. 2, 1943 FOREIGN PATENTS 600,587 Great Britain Apr. 13, 1948 614,565 Great Britain Dec; 17, 1948