US896320A - Braid. - Google Patents

Description

PATENTBD AUG 3. 0. RAHM.

, BRAID PPLICATION FILED H0114, 1905.

' 2 SHEETS-SHEET 1.

, PATENTEDAUG. 18. 1908.

R; 0. RAHM.

Emmi; APPLIGATION FILED 9w. 4, 1905.

' threads in said fabric.

UNITED STATES PniriENT OFFICE.

ROBERT C. RAIIM, OF \YYOMISSING, P \INSYLVhNIA, ASSIGNOR TO TEXTILE MACHINE WORKS, OF WYOMISSING, PENNSYLVANIA, INCORPORATED.

= 31min.

Specification of'L'etters Patent.

Patented Aug. 18, 1908.

Original application filed October 14,1904, Serial No. 228,393. Divided and. this application filed November 4, 1905.

Pennsylvania, .have invented certain new and useful Improvements 1n Bralds, of whlch the following is a specification.

My invention relates to an improved braided fabric which is made up of two sinndtaneously-formed braids laid one upon the other and having their threads interchanged in theprocess of manufacture so as to unitethe two; a main object being to provide'various figured or embroidery effects by employing different colored carrier threads,

by introducing different colored warp threads,

and by making a plurality of turns of certain of the carriers at determined points in their course, inconnection with a regulated interchange of carriers arranged to normally traverse separate courses.

The present invention is fully described in'connection with the accompanying drawings and the novel features are specifically pointed out in the claims; the mechanism referred to being separately described and claimed in Patent No. 856,985, issued June 11th, 1907, 011 my application, Serial No. 228,393, of which the present is a divisional applieatiom Figure 1 IS a diagrammatic plan Viewof a braiding machine embodying my invention;

a portion thereof showing the communicating race-circle courses with switches controlhug the earner movements therein, and the remaining portion indicating the pitch-circles of the carrier operating gears and the acquard connectlons to the switches. Flg.

, 2 is an enlarged.sectional view showing two gears of the outer course in mesh with two of the inner course, the section being on the line 2'-2 of Fig. 1., straightened out. Fig. 3 is a diagram of the run proper. Figs. 4 and 5 show the opposite faces of a figured fabric produced by means-of my improved mach-- anisn n;' and Fig. 6 is an enlarged diagrammatic view indicating the lay of the several Fig. 7 is a similar view to '1 ig. 5 indicating an effect produced where warp threads are employed, and Fig. 8 is a diagrammatic view indicating the run of the carriers in producing same.

Serial No. 285,821; I

The top plate 9 of a braiding machine is ordinarily provided 'with asingle race-way or course for the" bobbin carriers, formed by intersecting race-circles which are arranged concentric with ,a series of operating gears for the carriers. In Fig. :1 a portion of such a race-circle course is indicated at h, the race-circles of said course being concentric with aseries of intermeshing operating gears 1) indicated by their pitch circles. These horn gears, as they are termed, are located between the 'top"plate g and the bottom plate is, as shown in Fig. 2, and are provided with peripherally notched disks 1) which engage the carriers to traverse the latter in their serpentine course.

. I-nmy improved machine I provide a second outer race-circle course, arranged parallel with the "course it, and having the same number of race-circles, each arranged tangential to an adjoining circle of the inner courseso as-to afford communication between the two whereby the carriers of each course may be diverted into the other. T o

regulate this interchange of car'riers,.a series of switches c c c'is provlded between the two courses, the points of which switches are adapted to openor close such'commuifications as determined by the position to which they are swung upon their pivotal supports: .This' osition being automatically controlled, as in icated,by-a suitable jacquard mechanismj and wires extending therefrom to the switches.

As shown inFig. 1 the parallel race-circle courses "h and m are arranged concentric, with the race-circle centers of both courses on the same radial lines, but with increased race-circle diameters in the outer course as required. The horn-gears of both courses being arranged for-the samenumber of carriers, it is necessary that they be rotated in equal times notwithstanding the necessary; difference in diameters. This is conveniently accomplished, as indicated in Figs. 1 .a11d.2, by arrangingthegear's of the inner course in mesh with each other, and each of the outer gears in mesh only with an adjacent inner gear; the outer gears, though of somewhat larger diameter, being )rovided with only the same number of tcetli as the inner gears so as to be rotated in the same time.

, runs beingasindieatedin Figr.

seen.- i-that *thencarrier indicated at e will he 10.: p L [c whenwthelat'ter is'c 'setes-fshowrr; and that I the;.tur.ning of said switch-immed atelyafter -thepassage o'f saidcarrierewill v .Lmanner to. retain the carrier (Z {upon its "nor- IXIIIQIfLEOUI'SQS the switches c must be kept swinging from one s1deohthe rn-apropcr t1me,:-by the acquard mechanism. 0. different colors-if the 'carrl'e'rs of the two runs also; the" outer course is shown provided with =innerfcours'e and -one;:-and bemg of 'different colors (1 would,

on a given gear orgearfsTbefore pursuing its normal "course 'tion has been thus 'rever'sedfin' order to avoid earners are traversed warp's the carrier threadsar'e laid so as to at; any properly with the closer-.

Who ,each setof carriers isheld .to its own i course two separate braids will be foriried,

ner of accomplishing this willb u by reference to Fig. 1, in which it will be held- ;to: its norniatfou ter course the switch serve in like mal inner course; :Thus' in order to retain the zearrler's in their-respectlveouter and 'run' to the other,

Theseparate braids thus produced will be of are provided with differently colored yarns. If the switch 0 however be-mo'ved to reverse positions to those justcons'idered then the .carrier e would be caused to pass into the theca'rrier dinto the outer for instance show as'bjlaekinwhite on the outer, and e as white {in black on the inner side of theproductywhileat tl'ie sarne time uniting the 'otherwise' independent braids in changing" of; the outer-and inner course desired carrier to make a plurality of turns For 'this purpose a second series of switchesfo e,*fa'sshown, are so arranged'as to'perrrnt a'temporary reversal of sible, of warp threads of desired colors, and the indicated for instance in taneously formed braids laid any carrier movement. In thls connection loops nadapted-to setback carriers whose mocollisions'whicliwouldotherwise result. The thesefloops by gears two-horn gear determined by the also made for introrlesire'djcolors -into gh the aXes of the o1? aetio jacquard; ProRHsIon duci'ng warppthread cated'atsand i'iri Fig; '1,' around which cover or to show them as required for different figure effects.

I I ,"iwhichif as shown, are. each 'dIlVBII by an adjacent outer-course gear taneou'sly 4. A braided fabric madetaneously formed braids of.

It will be readily understood that the mechanism described enables a very great variety I bftfiiitiiitl effects to produced in a fab- ;ric made up of two braids the threads of which are interchanged as stated. In Fig. 4 is shownthe inner side of a simple design of braid as already'described; the colored porand the white portion by the white threads of the outer. course earriers which have fbe en' exclianged "at the re diiirejd paints with the-inner"course threads.

lnfth'e corresponding enlargedFigf 6 "th'eflay 'of'the' severa will be readil threads i cleafl 'shown; and it seen that the black threads lie entirely onthe top of the 'white except. at points within the figure-design, at which points the white threads appear on top: of the )lack ones due to the described interchanging of threads, thus clearlyv ornamental design and at the same time uniting the two braids in a single fabric. The great variety of ornamental effects made posas already stated, by the introduction making of a plurality of turns of the carriers at desired points, for which revision is made, will be evident tothose skiiied in the art; as v Fig' 8 where the warp threads are brou ht the center of the figure design shown in Fi 5, upon one side of the united double brai the run of the 'earriers around the warp threads being indicated in the diagrammatic view Fig. 8. i

What I claim is: o 1. A braided fabriemade up of two simulone upon the other, the threads of said braids being inter.- changed at portions only thereof to unite the two in determined design andthe remaining portions being disconnected. v

2. A braided fabric made up of two simultaneously formed braids laid loosely one upon the other but having their threads interc anged at determined portions only in the process of manufacture to unite the two at such portions, which the braid expose and warp threads around ortions of the. warps and thereby form a igured surface.

3. A braided fabric made up of two simulformed braids laid loosely one upon the other but having their threads interchanged at determined portions only in the process of manufacture to unite the two at such portions, thereof exposed toform. a figured surface.

differing threads one laid loosely upon the other but havin their threads interchanged at determined portions only in the process of manufacture to unite the two at figured surface.

5. A braided fabric made up of two simulsuch portions and form a developing the to the surfacejat threads are carried seas to and warps having portions up of two simultaneousl y formed braids ofkliffering threads, In testimony whereof, I afiix my signature, one laid loosely upon the other but havin the presence of two Witnesses.

their threads interchan ed at determine portions only in the proe ess of manufacture i ROBERT RAHM' 5 'to unite the two at such portions and warps having portions thereof exposed in the figured surface.

Witnesses i D. M. STEWART, W. G. STEWART.

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