US1470490A - Method or process for producing knit fabrics - Google Patents

Description

Oct. 9, 1923. 1','4 7 .0,49o.

N.. SCHWARTZ-- D on P'n'ocsss' FOR Pnonuciue KNIT FABRICS Fild Sept. 25, 919

following is a specification.

Patented Oct. 9, 1923.

NATHAN S CHWARTZ, OF

NEWARK, new JERSEY.

METHOD OB PROCESS FOR PRODUCING KNIT FABRICS.

' Application filed September 25, 1919. Serial No. 326,285.

To all whom it may concern:

Be it known that I, NATHAN SonwAR'rz, a citizen of the United States and resident of Newark, in thecounty of lEssex and State of New Jersey, have invented new and use- ,ful Improvements in Methods or Processes for Producing Knit Fabrics, of which the My invention relates to a new and useful method or process for producing knit fabrics.

In knitting and manufacturing textiles such as silk hosiery, silk underwear and 'other fabrics the thread, commonl runs across the falJric, and each row 0 loops hangs upon the suceeedin ro w. Under this mode of knitting, if a t read breaks, the. stitches or loops quickly unrove, or, as it is commonly termed, runs down. The thread usually-breaks unnoticed, and owing partly to the nature'of the silken thread, and partly to the fact that the fabric is stretched t" htly upon the wearer, unroving usually ta es place so rapidly that the article or gari ment is m a condition beyond presentable repair- -before the break is-noticed. This is particularly true of ladies silk hosiery, which are seldom worn out, but which are usually thrown away as uselessbecause of. a run down,, due directly to a broken thread.- The object of my invention, therefore, is to provide a new. and novel method or proc-' es of knitting, in which the old loops, before they are cast ofi the pins or needles, are interengaged' and/locked in such manner that when the thread breaks, unroving cannot take place beyond the next succeeding interengaged or ocked loop. Under my improved mode of knitting, the thread runs across the fabric the same as before, and

eachrow of loops hangs upon the succeeding r o w the same as before, but every other stitchor loop is interengaged or locked 'with its neighbor alternately in succeeding rows,, or, if desired, the stitches or loops may be interengaged/ or locked at certain intervals alternately in succeeding rows. Further objects of my invention will hereinafter appear. Y

The subject matter of the resent invention is also described in an certain fea-- tures of the invent on herein described, but not herein claimd, are claimed in my comanion application for nt. filed Novemr 11,;1919, Serial No. 3 7 ,224;

-The invention consi s in the novel loop 4 on the needle ca 7 opl 4 is sfipp'ed; but loop 5 is similarly sprea I method or process herein described and more particularlypointed out in the claims."

The figure in the accompanying drawing represents a plan view of a portion of silk fabric. as produced in accordance with my improved mode of knitting. p

In the accompanying drawing, the thread in alternate succeeding courses has, been shown as white and black, respectively, the white thread being employed to represent the interlocking courses and the black thread to represent the plain courses. Alphabetical characters are employed to designate corresponding cross rows of stitches or loops, each cross row consisting of a white or interlocking course and a black or plain course while similarnumerals are employed to designate the individual stitches or loops,

corresponding as to position, that make up the interlocking courses.

It is, of course, common knowledge, that in hand knitting and framework, as well as in machine knitting accomplished on well known ty of straight bar knitting machines an on some circular and. flat knitting machines, the thread runs across the fabric, and the old loops or row of loops are cast oif to ban upon the new loops or succeeding row of oops. These principles hold good in my improved mode of knitting.

In my improved'mode of knitting, I have contrived to produce a non-ravelling fabric by first interengaging or locking either every other stitch or 100 or certain interval stitches or loops in the V rst row, then alternating the system of intrengaging or locking in the second row, and so on similarly intereng'aging and alternating throughout the succeeding rows. 7 Thus in-the accompanying the characters A B and 0 represent suc ceeding cross row of each interlocking course. Consider first drawing, let 4 of loops and the numerals 3, 4, 5,6 and 7 re resent the successive loops the method-of interengaging or looking,

every other loop. In row,A, for instance, there is showna 'couraeof plain (black loops,"then a course of interlocking (white loops. In knitting (ion and OIIB- alf of ithung alongside loop 6 the needle carrying loop 6. Loop the interlockingcourse, m ,plain loops are first formed, and then,

- 0116- alf of. it on its next succeedin skip ed, and loop 7 is divided and spread neighbor, (not shown) and so on throug out the length of the row. From this method of procedure, it will be understood at once that one-half of a loop hangs from every other needle (in the knit fabric from every other loop immediately above), while a loop and a half hangs from every other succeeding needle (in the knit fabricfrom every other and spread over two needles. In row C,

loops 4, 6 and so on, are skipped in correspondence Withthe skips'made in row A, the same representing the alternates of row B. In this manner I proceed to knit the whole fabric, dividing, spreading and in-' terlocking every other loop alternately in succeeding rows.

This method of spreadin and skipping loops alternatel y rows may be employed in a varietyof forms,

interlocking which readily suggest .themselves. Thus, in

the first row, instead of skipping loops 4 and 6, as above described, loops 4 and 5 may be skipped, loop 6 spread and interlocked, the two loops following 6 skipped, and so on progressively skipping by consecutive twos throughout the row. In row' B, loop 4 would be s read and interlocked, loops 5 and 6 skippe and so on along the row, spreading and interlocking one loop and skipping two loops. In row C, loop 5 is locked and spread, 100 s 6 and 7 skipped, and so on as before. ith this form, in row A, loop 3 is interlocked with loop 4; in row B, loop 4 is interlocked with loop 5;

and in row C, loop 5'is interlocked with loop 6. Should a thread break, only two stitches on loops can unravel.

In a similar manner, three, four, five or' any desired number of consecutive loops are divided in successive may be skipped in each row, the spreading and interlocking taking place at equivalent intervals. In this connection, it will be understood, that if a thread breaks where three loops are skipped, three loops only will unraveLfiif it breaks where four loops are skipped, four loops will unravel. So, in the use of the various forms that will readily suggest themselves, unravelling can only take place in correspondence to the' number of loops skipped.

Having thus described my invention, what I claim 1s 1. That improved method or process of knitting which consists in forming plain courses and interlocking courses, the interlocking courses being formed by spreading, interlocking and skipping loops alternately in succeeding interlockin courses.

2. That improved met od or process of knitting which consists in forming plain coursesjand interlocking courses, the interlocking ourses being formed by spreading, interlocking, and skipping loops at equivalent intervals, alternately in succeeding interlocking courses.

3. That improved method or process of knitting which consists in forming plain courses and interlocln'ng courses alternately in succeeding rows, the interlocking courses being formed by spreading, interlocking and skipping loops systematically by alternates in succeeding-interlocking courses.

4. That improved method or process of knitting which consists in forming plain courses and interlocking courses, the interlocking courses being formed by spreading and interlocking every other loop with its neighbor and in skipping every other loop,

symmetrically by alternates in succeeding interlocking courses.

5. A knitted fabric comprising rows of loops, each row consisting of a plain course and .an interlocking course, each interlocking course being formed by spreading and I interlocking certain loops with their neighsymmetrically by alternates in succeeding rows.

- bors and m skipping one or more jloops,

In testimony whereof I have signed my

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