US1081778A

US1081778A - Welted knitted web.

Info

Publication number: US1081778A
Application number: US55616010A
Authority: US
Inventors: Robert W Scott
Original assignee: Scott and Williams Inc
Current assignee: Scott and Williams Inc
Priority date: 1910-04-18
Filing date: 1910-04-18
Publication date: 1913-12-16
Anticipated expiration: 1930-12-16

Description

R. W. SCOTT.

WELTED KNITTED WEB.

APPLICATION FILED APB.18. 1910.

Patented Dec. 16, 1913.

4 BHEETS-BHEBT 1.

R. W. SCOTT.

WELTED KNITTED WEB.

APPLICATION FILED APR. 18, 1910 Patented Dec. 16, 1913.

4 SHEETS-SHEET 2.

WXXM AM R. W. SGOTT.

WELTBD KNITTED WEB.

APPLICATION FILED APBHIB. 1910.

Patented Dec. 16, 1913.

4 SHEETS-SHEET 3.

R. W. SCOTT.

WBLTED KNITTED WEB.

APPLICATION FILED APR. 18. 1910 1,081,778. Patented Dec. 16, 1913.

4 SHEETS-SHEET 4.

v 5 f5" I M (Q;

TED STATES IiATENT OFFICE.

ROBERT 'W. SCOTT, F LEEDS POINT, NEW JERSEY, ASSIGNOR, BY DIRECT AND MESNE ASSIGNMENTS, TO SCOTT & WILLIAMS, INCORPORATED, 0F CAMDEN, NEW JERSEY,

A COBIORATION OF NEW JERSEY.

wnn'rnn KNITTED wnze.

Specification of Letters Iatent.

Application filed April 18, 1910. Serial No. 556,160.

To all whom it may concern:

Be it known that I, ROBERT W. Soo'1'r, a citizen of the United States, residing in Leeds Point, Atlantic county, New Jersey,

have invented certain Improvements in Welted Knitted lVebs; of which the followin is a specification.

Iy invention consists of a novel form of turned welt for hosiery or underwear, and of a novel method of producing the same.

In the. accompanying drawings-F1gure l is a view illustrating the formation of the first few courses of stitches in the production of the turned welt or hem; igs. 2 and 3 are similar views of parts of the first few courses, illustrating other methods of carrying out my invention; F igs. 4, 5, 6, 7 and 8 are sectional views illustrating the operation of those parts of a knitting machine upon which said turned welt or hem is produced; Fig. 9 is an inverted view of the cams which actuate the dial needles of the machine; Fig. 10 is a view of a special cam which acts upon certain. of said dial needles, and Fig. 11 is an exaggerated view of the turned welt or hem.

In making stockings upon ordinary circular knitting machines, it is customary to finish the stocking at the top by turning in a hem and sewing the inturned edge thereof to the leg portion of the stocking, an operation which must be performed with great care and which is consequently expensive, while at the best, the turned welt or hem produced thereby is unsatisfactory. In my Letters Patent N 0. 864,433, dated August 27, 1907, I described a method whereby a turned welt or hem could be formed by the operation of the machine upon which the fabric was knitted, this operation being performed without the necessity of transferring stitches by hand and without the labor attending the formation of a turned welt upon a straight knitting machine of the Cotton type upon which the ordinary full fashioned stockings are knitted.

My present invention is an improvement upon that forming the subject of my before noted Letters Patent. In carrying out my invention, I employ a machine similar to that forming the subject of my Letters 'Patent No. 834,763, dated October 31, 1906,

modified in certain respects to enable it to form the hem upon the stocking. This machine has a vertical cylinder 1 with needles m and an in alternation therein, and a horizontal needle plate or dial 2 with which cooperate needles 1 which are in line with the needles m of the cylinder and are carried by pivoted stems 3 whose upper ends are acted upon by cams on a ring or disk 4. The machine is also provided with reciprocating web holders 5 which act upon the stitches on the cylinder needles and serve to hold down the web produced upon said cylinder-needles without the use of tension devices upon said web.

In starting the web, the cylinder needles m are inoperative, the knitting yarn being fed first to a cylinder needle :2: andthen to a dial needle y, so as to form a setting-up course of loops, as shown at s in Fig. 1.

The dial needles 1 have long hooks and they are first partially projected, as shown in Fig. 4, so that the knitting yarn can be laid upon the tops of these hooks, the cylinder needles then descending and drawing said yarn down in the form of loops after which the dial needles g are further projected so as to open their latches and bring the loops behind the hooks, as shown in Fig. 5, the dial needles g being then retracted so as to engage these loops in their hooks. After one setting-up, course 8 has thus been formed the needles :2 of the cylinder (except as hereinafter noted) are brought into action and knitting is then proceeded with upon all of the cylinder needles so as to produce successive courses of stitches, two of such courses being shown in Fig. 1. The setting-up course, however, is begun with a loose thread hanging down inside of the cylinder and connected to the previously formed stocking which has been cast off of the cylinder needles, and this thread is subsequently cut oil close to the setting-up course, hence it may, in the use of the stocking, run back and thereby eliminate some of the loops formed at the beginning of the setting-up course. I therefore find it advisable to project the dial needles for more than a full course in order to insure the application of secondary loops to a number of the dial needles and for this reason, I first project all of the dial needles to receive the prin'lury setting-up loops and then continue the projection of said dial needles for a certain time, whereby a numtill) her of said needles will receive the yarn in the form of secondary loops after the formation of the setting-up course would otherwise have been completed. In Fig. 1

of the drawing, 1 have shown six of the dial needles as having thus been actuated, these six nee les carrying both primary and secondary loops, 3 representing the first of the dial needles to receive a loop of yarn in the formation of the setting-up course. A corresponding number of cylinder needles m are not projected in beginning to knit the-first course of stitches following the setting-up course, as such needles would otherwise interfere with the projected dial needles, or if desired, the first course following the setting-up course may be knitted upon the cylinder needles :0, the needles as being introduced in the next course, and in this case, all of the dial needles may be projected, the second time, so that all of said dial needles will receive secondary loops. The dial needles may, on their second projection, be advanced sufliciently to cause the primary loops upon them to clear the latches, whereby on the second retraction, the secondary loops will be drawn through said primary loops, and will form stitches as shown in Fig. 2. On the other hand, instead of the cylinder needles drawing stitches through the setting-up loops at the beginning of the second course, .as shown in Figs. 1 and 2, some of said needles may receive the yarn a second time without castin 0d the loops already upon them so as to orm upon these designated cylinder needles as well as upon the dial needles, double loops, as shown in Fi 3. 1

%he knitting of the courses of stitches upon the cylinder needles proceeds until a web of the desired. length for the hem has been produced, as shown in Fig. 6, whereupon the dial needles y are projected, so as to carry their loops outwardly over the needles :12, which are then projected into said loops as shown in Fig. 7, the dial needles being then retracted, as shown in Fig. 8, so as to cast their loops onto the needles 4r, whereupon the knitting of the web upon the cylinder needles is proceeded with to form the leg of the stocking.

1n being retracted, the dial needles may crowd alongside-of the cylinder needles w or before being retracted, they may be shogged slightly so that, when retracted,

. they will clear the cylinder needles m. The

running back of the yarn of the primary course through those wales in which the secondary loops have been formed, will not, therefore, result in releasing said wales of the inturned web from the main web, since the union does not depend upon the maintenance of the primary loops, but upon the secondary loops or upon both the primary and secondary loops in these wales.

nosnws In performing the ,knittin operation shown in Fig. 1, the dial need es are pro jected to receive the primary course of set ting-up loops, as shown in Figs. 4c and 5, and are then retracted to the position shown in Fig. 6, so as to retain said loops, by the action of cams 6 and 7 on the underside of the disk t, the cam 7 being then retracted, as shown by dotted lines in Fig. 10, and the selected dial needles at the end of the set being projected by the action of a special cam 9, said selected dial needles having projecting fingers 10 for the action of said cam 9 which will, consequently only act upon these fingered dial needles.

If a double projection of all of the. dial needles is desired, the cam 7 may be permitted to remain in operation for two courses, or all of the dial needles may be provided with the lugs 10 for the action of the supplementary cam 9.

In order to delay the lifting of the cylinder needles :0 which correspond with the limited group of dial needles, which are projected for the second time in knitting the web shown in Fig. l, the lower butts on said needles w may be short, instead of long as usual, so that when the lower lifting cam comes into play it will not lift'these nee- .dles but'will start on the first long butt needle following them, these special needles not being lifted until all of the other needles w have been raised, the lower lifting cam being then in position to act upon the short butts.

If all of the dial needles are projected a second time, the lifting of the cylinder needles w need not begin until the starting of the third course.

The dial needles are projected in order to transfer their loops to the'cylinder needles I m by the action of a cam 11, shown by dotted lines in Fig. 9, the stems of one half of the dial needles being longer than those of the other half and said cam 11 being projected so as to engage the long stems and then still further projected so as to engage the short stems and being withdrawn to inoperative position after all of the dial needles have been projected to the transfer point, this operation being similar to that set forth in my former Patent, No. 834,763. 7

After being thus'projected, the dial needles are all retracted to inoperative position by means of the cam 12, and remain in that position until the cam 7 is again moved to operative position at the beginning of another stocking.

As a result of the operation described,

there is produced 2. turned welt or hem having alternate loops at the inturned end of the welt, that is to say, those loops which were formed upon the dial needles, united with alternate wales of .the leg of the stocking or other seamless tubular web upon which the hem or welt is formed, an exaggerated View of such hem or welt being shown in Fig. 11 of the drawings.

After knitting the is of the stocking, I form a seamless heel, foot andtoe in the ordinary manner and, after the completion of the toe pocket, I knit a few continuous courses of stitches so as to provide a continuous succession of stitches for being looped together in order to unite the top of the toe to the top of the foot in the ordinary manner, and after the completion of these courses, I cast the stitches from the cylinder needles, the stocking being thereby dropped from the cylinder needles and the hanging thread being again engaged by the cylinder and dial needles in producing a settingup course for the next stocking. The successive stockings are separated by cutting this connecting thread.

Although I have described my invention as applied to the formation of a turned hem or welt upon a stocking, it is evident that it is equally applicable to sleeves of shirts, legs of drawers, or other articles of underwear.

I claim 1. A tubular knitted web having a turned welt or hem, with loops at the turned end of the welt interknitted with wales of the body of the web, some of the loops at the beginning of the course being double, and the following course of the turned web being without stitches in those wales in which the double loops are formed.

2. A tubular knitted web having a turned welt or hem with loops of the turned end interknitted with wales of the body of the web, some of said interknitted loops being double and the following course of the turned web being without stitches in the wales corresponding to said double loops.

3. The mode herein described of knitting a turned welt or hem upon a plain knitted web, said mode consisting in first forming two sets of loops, one set facing in one direction and the other set facing in the opposite direction, continuing the formation of loops in a number of wales of the second set in excess of a full course, then arresting the formation of loops in said second set and continuing in the first set the formation of courses of loops in continuation of the course first formed therein, said continuing courses containing wales in excess of those first formed, then inter-knitting the loops of the second set with loops of the first set and continuing the formation of courses in said first set only.

4. The mode herein described of reducing a turned hem or welt upon a plain knitted web, said mode consisting in forming two sets of loops, those of one set facing in one direction and those of the other set facing in the opposite direction, continuin the formation of loops in the second set or a number of wales in excess of a full course, then arresting the formation of loops in said second set and forming in the first set successive courses of loops in continuation of the course first formed, said continuing courses having wales in excess of the wales of the first course, and such excess wales at first being formed only throughout a partial course and afterward throughout a full course, then interknitting the loops of the second set with loops of the first set, and then continuing to knit courses in said first set only.

In testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses.

ROBERT W. SCOTT.

Witnesses:

KATE A. BEADLE, HAimL'roN D. TURNER.