US1887643A - Lace braid and method of manufacturing same - Google Patents

Description

Nov. 15, 1932. o. E. HUBER 1,837,643 LACE BRAID AND METHOD OF MANUFACTURING SAME Filed April 2. 1932 2 Sheets-Sheet 1 l N V EN TOR: awjfaber;

ATTORN Nov. 15, 1932. o. E. HUBER 3 5 LACE BRAID AND METHOD OF MANUFACTURING SAME Filed April 2. 1932' 2 Sheets-Sheet 2 IL E- IN VEN TOR:

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, Z, QMHTORNEY v Patented Nov. 15, 1932 UNITED s'r ES PATENT OFFICE o'r'ro imam man, or ammo, rmmsnvama, assrcuoa 'ro NARROW ranarc conrm, or wear ammo, rnnnsrnvanm, a'coaroaarron or rmmsnvmra m1 imam am) xn'rno'n or nmnracruamo san Application and April 2, 1m. Serial No. 602,696.

This invention relates to elasticlace-braid fabrics, and more particularl to the ty disclosed in my Patent N o.- 1, 17 ,215 issued- June 11, 1929; the present invention being an improvement on the subject matter covered by said patent and therefore more or less coextensive therewith.

Elastic lace-braid, or so called pore-elastic braided fabrics, as heretofore produced, areexpansible' lengthwise onl such= fabrics generally comprising 'interace-braided lon- 'tudinall extendin elastic and transversey extending inelastic strands. Lace-braid thereby making it possible to produce therefrom single-piece universally expansible inserts of any desired length. i

Another object is the provision of such an elastic lace-braid b an improved method and .to embody in ,t e braid, binder strands adapted to fixedlyjoin certain longitudinalllys and transversely extending elastic stran against movement or creeping relative to each other without affecting the universal expansibility' of the fabric; said binder strands also giving 'the'fabric'the desired amount of body as well as enhancing its ap arance.

or objects ahd attendant advantages will become more readilyapparent from t 'e following detailed description of one illustrative embodiment of my invention, reference bein had to the accompanying drawings in w 'ch:

- Fig. 1 is a greatly enlarged face view of my novel elastic lace-braid fabric, moreor less diagrammatically represented, and particularly shows the arrangement of the various strands comprising the same.

is latthis pur Fig. 2 is a sectional view through the fabric shown in Fi 1; taken substantiall as indicated by t e arrows 2-2 on sai figure.

Fig. 3 is a faceview of the fabric similar to Fig. 1, but approximately to normal scale..

Figs. 4 and 5 are similar diagrammatic face views of the fabric and respectively illustrate the same expanded longitudinally and transversely.

Fig. 6' is a diagrammatic composite view, illustrating, at the top, the manner in which the various strands are inter-lace-braided; in the center, the course of the bobbins which carry the various strands of which the fabric is formed; and at the bottom a ortion ofthe racevviay circle course in whic the bobbins trave My improved method of producing the novel elastic lace-braid is carried out with the aid of a well known 'acquard controlled single thread lace braiding machine of the type referred to in m above mentioned patent and in which the 'iferent bobbins or yarn carriers travel about one or more tellers or quoits, to form a finished fabric-of closed or open lace-likemesh as determined b pattern directed jacquard mechanism. Whlle such a machine is erhaps best suited for this purpose, it wil l beunderstood that other lace machines, well known, may be utilized for so. F or example the two thread, three t read and like machines, are also suitable.

Referring to the schematic illustration of Fig. 6, 10 re resents the top plate'of such a known lace raiding machine, 11 the tellers or 'quoits which are intermittently rotated under the control of the usual jacquard mech anism, (not, shown) to traverse the bobbins 'or yarn carriers, diagrammatically indicated at '12, some of which" are adapted to remain, at times, on one teller and merely rotate therewith, while others pass to adjacent tellers .andback again, and still others traverse the whole series of tellers, all in well known manner and in accordance with the selected pattern directing the Jacquard mechanism.

In carrying out the production of the present illustrative lace-braid fabric F of my vinvention, three difierent kinds of strands indicated at 13, 14, 15, are employed and these are carried by the various bobbins 12. Strands 13 are elastic and especially tensioned so as to increase their length during the braiding operation in order to maintain them in a straight taut line from the carriers to the braiding point.

Strands 14 are inelastic and preferably but not necessarily, glossy. The may be of desiredcolor or combination of colors, and

are traversed, as heretofore, to form the braid pattern illustrated. In producing this pat-' tern, the bobbins 12 carryin the comparatively fine elastic strands 15, interbraid their '4 strands with the coarser elastic strands 13, as clearly shown in Fig. 6. During this procedure strands 13 and 14 are unitedly traversed, in groups, in the limited portion of the race circle course; their path of travel being indicated by the arrows or quoits 11 in said figure.

This united movement of strands 13 and 14 causes the latter to be wound around the former throughout their entire length, as clearly shown, tothereby locker fixedly ioin the elastic strands 13 and 15 against movementor creeping relatively to each other without affecting the elasticity of the finished fabric. To insure the maximum longitudinal as well as lateral elasticity in the fabric thus produced, the elastic strands 13 are especially tensioned so as to increase their length during the braiding operation and thereby maintain them in a substantiall straight line from the carriers to the brai ing point; the elastic strands 1'5 and inelastic strands 14 beingunder slight or normal braiding tension during the inter-braiding action.

It will be noted that, depending on the gau e of the inelastic strands 14, more or ess ody will be imparted to the fabric and that these strands are present in the fabric in substantial quantity so that they also materially affect the appearance or surface efi'ect of the latter. I

As in the case ofmy above mentioned patented lace braid, when the braided fabric 'is removed from the machine the elastic strands 13 at once retract to their normal unstretched length, reducing the length of the finished fabric and causmg the strands '14 and 15 to assume relaxed positions between or about the strands 13, which latter maintain their ing strain thereon. This is clearly illustrated in Figs. 1 and 3.

Due to the presence of elastic strands 15, the fabric thus produced is notonly expansible in a longitudinal direction as shown 1n Fig. 4, but-is also expansible laterally as shown in Fig. 5; the inelastic strands. 14 permitting stretching in either direction without distort-ion of the lay of the braided strands and maintaining a firm union at all pointsbetween the strands 13- and 15. Of course, the design shown, or other desi s, may be so arranged that while distort in the braiding, they will assume the desired.

pleasing configuration and arrangement in the unstretched finished fabric.

While I have indicated a preferred lacelike open mesh fabric, it will be apparent that the jacquardmechanism referred to may be operated so that other pleasing pattern designs can be obtained, and that a closed mesh solid fabric, or a combination open and closed fabric can be produced in similar manner.

I claim:

"1. An elastic lace-braid fabric comprising in combination, longitudinally. extending elastic strands, transversely extending elastic strands inter-lace-braided therewith, and one or more binder yarns on said longitudinally extending elastic strands ada ted to join certain of said inter-lace-braide longitudinally and transversely extending elastic strands against movement relative to each other.

2. An elastic lace-braid fabric comprising in combination, longitudinally extending elastic strands, transversely extendin elastic strands inter-lace-braided therewit and one or more gloss binder yarns on said 1ongitudinally exten ing elastic strands adapted to join certain of said inter-lace-braided 1ongitudinally and transversely extending elastic strands against movement relative to each other. A

3. An elastic lace-braid fabric comprising in combination, longitudinally extending elastic strands, transversely extending elastic strands inter-lace-braided therewith, and one or more inelastic binder yarns on said longitudinally extending strands adapted to -join certain of said inter-lace-braided longitudinally and transversely extending elastic.

strands against movement relative to eachother.

4. An elastic lace-braid fabric comprising in combination, longitudinally extending elastic strands, relatively thinner transverse- 1y extending elastic strands inter-lace-braided therewith, and an inelastic binder yarn on each of said longitudinally extending elastic strands ada ted to join said inter-lacebraided longitudinally and transversely extending elastic strands against movement relative to each other.

longitudinal positions as there is no distort- .5. The method of making an elastic lace braid fabric which comprises feeding to a braiding point lon 'tudinall extending elastic strands in pre etermine spaced relation with respect to each other, maintaining tension on said strands to elongate the same, at said braiding point interbraiding elastic strands with said longitudinally extending strands in a transverse direction relative thereto to produce a lace-like fabric, and simultaneously applying at said braiding point a binder strand to one or more of said longitudinally extending strands in such manner as to maintain the interbraided strands in predetermined position relative to said longitudinally extending strands. v 6. The method of making an elastic lace braid fabric which comprises feeding to a braiding oint lon itudinall extendin elastic stran s in pre etermine spaced re ation with respect to each other, maintaining tension on said strands, to elongate the same, at said braiding point interbraiding elastic strands with said longitudinally extending strands in a transverse direction relative thereto to produce a lace-like fabric, and simultaneously appl ing at said braidin point a binder strand to one or more of sai longitudinally extending strands in such manner as to engage said strandor strands between adjacent interbraided strands to maintain the same in predetermined position relative to the longitudinally extending strands.

7. The improved method of manufacturing elastic lace-braid-fabric which consists in unitedly traversing a series of bobbins in two in limited portions of a racegroups of circle course, one bobbin from each group carrying an elastic yarn to form'a straight lengthwise strand and the other carrying a binder strand which is wound around said elastic yarn during traverse of said bobbins, maintaining tension on said lengthwise strand to elongate the same and 'hold it taut, and feeding limitedly tensioned elastic strands from other bobbins freely traversed in the .course so as to lace-braid their strands transversely with thetaut lon 'tudi nal strandsin such manner as to be edly joined therewith by the binder strands; whereby during formation a stretched elastic fabric is produced adapted when released to relax to substantially the ori 'nal length of the longitudinall extemfiiig elastic strands to form a finished elastic lace-braid fabric Whose longitudinal and transversely extending elastic strands are" fixed against movement relative to each other.

The improved method of manufacturing elastic lace-braid fabric which consists a series of bobbins mited portions of a from each group carto form a straight in unitedly traversin in groups of two in %i race-circle, one bobbin an elastic yarn ryin lengfiiwise strand and the other carrying an inelastic binder strand which is wound around said elastic yarn during traverse of said bobbins, maintaining tension on said lengthwise strand to elon ate the same and hold it taut, and feeding hmitedl tensioned elastic, strands from other bob ins freely traversed in the course so as to lace-braid their strands transversely with the taut lonitudinal strands in such manner as to be xedly joined therewith by the inelastic binder strands; whereby during formation a stretched elasticfabric is produced adapted when released to relax to substantially original length of the longitudinally extending elastic strands to forma finished elastic lace-braid fabric whose longitudinal and transversely extending elastic strands are fixed against movement relative to each other by said inelastic strands.

In testimony whereof I aflix my signature.

OTTO EUGENE HUBER.

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