US3241340A - Circular knit garment with added shaping material - Google Patents

Circular knit garment with added shaping material Download PDF

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Publication number
US3241340A
US3241340A US157208A US15720861A US3241340A US 3241340 A US3241340 A US 3241340A US 157208 A US157208 A US 157208A US 15720861 A US15720861 A US 15720861A US 3241340 A US3241340 A US 3241340A
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Prior art keywords
yarn
elastic
needles
cam
courses
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US157208A
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Knohl Herbert
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Kendall Co
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Kendall Co
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Priority to GB45845/62A priority patent/GB973060A/en
Priority to DE1585117A priority patent/DE1585117C3/de
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/42—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration
    • D04B9/46—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration stockings, or portions thereof
    • D04B9/56—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration stockings, or portions thereof heel or toe portions
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/10—Patterned fabrics or articles
    • D04B1/102—Patterned fabrics or articles with stitch pattern
    • D04B1/108—Gussets, e.g. pouches or heel or toe portions
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
    • D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
    • D04B1/26—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel stockings
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/03—Shape features
    • D10B2403/033—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process

Definitions

  • This invention is concerned with a garments knitted by the so-called seamless or circular single needle knitting system with provisions for knitting plain jersey stitches either alone or including patterned areas such as fabric incorporating plain jersey stitches, tuck stitches (for purposes of this invention, a stitch formed when a knitting needle takes on one or more new loops while retaining the old loop, and then knits all off together) and floated yarn combinations.
  • the expression jersey knit shall include all such combinations.
  • the invention is particularly concerned with seamless jersey knit garments incorporating elastic yarn inlaid into the fabric either to provide fit, to provide a therapeutic effect or to provide elastic stretch in an area where the body is permanently convex or at least is convex during body flexing.
  • the invention is applicable to a wide variety of seamless jersey knit garmets typical of which are stockings, anklets, socks and half hose in which the convex portion involved is the heel, elbow guards, knee guards and girdles in which the convexity is accentuated by flexing and other garments such as brassiers, bathing suits and the like where convex form fitting is involved.
  • the garment tends to bind or at least is considerably distorted and poor fitting when worn.
  • the solution to the problem of providing extra material in the heel portion has proven so elusive that present methods are a comprise.
  • FIGURE 1 is an illustration of a typical jersey knit foot covering garment of the invention incorporating added material in the convex heel in which inlaid elastic yarn is continuous.
  • FIGURE 2 is an illustration of a typical jersey knit knee guard in which material is added in the knee area while elastic yarns, are inlaid continuously through the area.
  • FIGURE 3 is a diagrammatic illustration showing how the elastic yarn continues through the convex area and how extra courses are added in the convex area. The illustration is directed specifically to a stocking step and heel but applies equally as well as to a seamless girdle. V
  • FIGURE 4 illustrates diagrammatically how the invention is applied to a seamless brassiere in which elastic yarn is inlaid continuously throughout the band and extra material is added in the convexity of the cup portion. It is to be understood that in these diagrammatic illustrations the relationship of the elements is not realistic. The actual fabric is more clearly illustrated in the swatches of FIGURE 5 inclusive showing the elastic yarn inlaid in the knitted stitches.
  • FIGURE 5 illustrates an enlarged portion of fabric typical of the garments of this invention showing a com bination of jersey stitches and tuck stitches.
  • FIGURE 6 is a modified cam ring layout for an A.M.F. machine showing the path of the needle butts in forming a convex heel in accordance with this invention.
  • the preferred method of terminating a course of the extra material added in the convex area is by a tuck stitch.
  • a tuck stitch With some yarns, however, particularly with kinked yarns such as Helanca, it is not essential to use a tuck stitch. With such yarns the adjacent severed tails intertwine particularly if they are left fairly long in the trimming.
  • At least two feeds are ordinarily used for inlaying elastic fabric.
  • three feeds or more are used.
  • typical knitting operations will be described generally whereas more specific descriptions are given in the examples.
  • the boot of the garment is knitted in accordance with the now well known method decsribed in my United States Patent No. 2,962,885 now reissued as Re. 25,046.
  • the present method differs from that described in my said reissued lpatent by the fact that the heel is knitted by continuous circular machine movement rather than by reciprocation. Furthermore, at the point where the heel was initiated by removing the elastic yarn in my said reissued patent, the elastic yarn is no longer removed but rather continues as preferably does the boot structural yarn into and through the heel pocket area. The amount of elastic yarn metered in is increased by about /2 inch over that metered in the ankle per round. Any of the well known yarn furnishing devices such as that represented in the Boucraut Patent No.
  • 2,441,118 may be utilized in metering the elastic yarn.
  • a third feed comes into activity, knitting a partial course by continuous circular movement of the machine between the regular courses knitted by the other feed.
  • This partial course may be knitted by utilizing one of several devices well known in the knitting art. For instance, long and short butt needles may be used with the yarn missing the short butt needles in the instep portion and being knitted by the long butt needles in the heel portion. Or a clocking device may be used whereby sections of the needles are caused to commence knitting in succession. Alternatively, the individual needles may be controlled by a secondary pattern device operating in the heel section only.
  • the extra courses alternatively may be merged in the instep stitches as tuck stitches using the Well known tuck forming procedures such as long latch needles, pattern wheels, multi-cleaning cams, different lengths of jacks, etc. then spread again to form the next partial separate course in the heel area.
  • Well known tuck forming procedures such as long latch needles, pattern wheels, multi-cleaning cams, different lengths of jacks, etc. then spread again to form the next partial separate course in the heel area.
  • partial courses are added in the heel area to terminate such courses with a tuck stitch, or two or more tuck stitches separated by a float or knitted individual stitches.
  • the yarn floated across the instep is trimmed leaving yarn tails on each side where the heel commences.
  • the added courses may be any of a number of yarns. If a nude heel is desired yarns similar to the yarns used in the knitted stitches of the boot may be used in the extra courses. If a soft cushion with twoway stretch is desired, the added courses may be of stretch yarn such as Helanca. Where the latter yarn is employed the use of tuck stitches to lock the ends of the partial course is not required.
  • elastic yarn in a streetwear ladies stocking one may introduce elastic yarn at a point just prior to knitting the heel and remove it after the heel is completed. The heel area may then be knitted with inlaid elastic yarn and with added courses by circular motion. The elastic yarn in this instance would provide superior fit and stretchiness.
  • the foot covering garment 10 includes an instep 12, a heel pocket 13 in which the inlaid elastic yarns are continuous and in which the added material is incorporated by circular movment of the needle cylinder.
  • the garment is shown with a ring toe 15 and a toe 14. Obviously, for purposes of this invention, it is immaterial Whether there is any toe in the garment and the garment might be made with an open toe.
  • the knee guard includes a jersey knit portion 21, a back of the knee section 22, a portion 23 with added partial courses and welts 24 and 25.
  • the elastic yarn preferably is inlaid in courses either through out the garment or from welt to welt in continuous fashion.
  • the elastic yarn may be restricted to those courses which are common to the area 23 and t0 the corresponding back of the knee section, however.
  • FIGURE 3 the diagrammatic figure shows how the elastic yarns 34 continue through the heel and instep portion. It also shows how the added partial courses 35 are knitted between the courses in which elastic yarn is inlead. In the area of the instep 32 and the foot 31, added courses do not appear. This gives a pronounced and definite shaping to the heel area.
  • the same diagrammatic illustration may be applied to a girdle with the added material giving a two-way stretch effect, if a stretch yarn is used.
  • FIGURE 4 one cup 43, a portion of the connecting link 41 and the body band 42 of a brassiere knitted in accordance with the invention are shown.
  • the staggered arrangement of the added courses 45 may be modified to change the contour of the cup.
  • the elastic yarns 44 which, of course, are inlaid in continuous jersey knit courses, form with the knitted stitches a continuous elastic band which is properly contoured and which is self-supporting. It is preferred where such garments are knitted of thermoplastic yarns such as nylon to give finished shaping to the cup portions by heat setting methods which are well known.
  • the preferred elastic yarn for such garmets is bare spandex but the elastic yarn need not be thermoplastic and in fact where the knitted stitches are of a non-thermoplastic material such as wool, the shaping achieved by the combined action of the added courses, the elastic inlay and the natural conformability of knitted material, is wholly adequate.
  • FIGURE 5 shows elastic yarn in every course and normally this preferably would be a continuous yarn
  • multiple feeds with multiple inlaying feeds might be employed.
  • the swatch would have an appearance similar to FIGURE 5 but with the middle elastic yarn eliminated.
  • the elastic yarn in every other course of the convex portion and eliminate the extra course in the normal fabric between the elastic yarns which are common to both fabric portions.
  • the swatch shown from the inside represents an alternative transition structure from the convex fabric portion on the right to the normal fabric on the left.
  • the elastic yarns 61 may either be a preferred continuous yarn or the continuous yarns of separate feeds.
  • the yarns 62a, 62b, 62c, 62d and 62e may be one preferred continuous yarn or the continuous yarns of separate feeds.
  • the added course yarns 63, 64 and 65 are knitted in the convex fabric portion and are tucked in two separated stitches as at 67 with the continuous yarn and knitted between the tuck stitches as at 68.
  • the floated portion of these extra courses across the normal fabric portion is trimmed to give tails as is indicated by 63, 64 and 65 at the left.
  • the terminations of these yarns at the right do not represent trimmed tails but rather that the convex portion continues on beyond the swatch illustrated.
  • FIGURE 6 illustrates the layout for a modified cam ring for the Scott and Williams AMF circular knitting machine. As furnished by the manufacturer to permit in,
  • the cam ring layout was modified by making the left clear cam 98 adjustable, by inserting a dividing cam 107 and by modifying the intermediate jack clear cam 104 which was formerly triangular to make it adjustable by the addition of a movable auxiliary cam 105.
  • Intermediate jacks are selected so that alternate intermediate jacks are raised by cam 104 with cam 105 down and thus raise the alternate needles to the tuck position where they take elastic yarn.
  • Intermediate needles are not raised by the intermediate jacks and hence the elastic yarn passes over their hooks. These intermediate needles are lowered to the level of the sinker nibs by the dividing cam 107.
  • the path of the needle butt-s is indicated at 108, the path of the alternate needle butts at 109 and the path of intermediate needle butts at 110.
  • the relationship between needle 91, the. sinker 111, the intermediate jack 92 and the cylinder jack 93 is shown the relationship between needle 91, the. sinker 111, the intermediate jack 92 and the cylinder jack 93.
  • Other parts of the layout which are named for orientation purposes are the center stitch cam 94, the right-hand needle lowering cam 95, the left-hand needle lowering cam 96, the center clear cam 97, the lefthand clear cam 98, the left-hand stitch cam 99, the righthand picker 100,.the left-hand picker 101, the dropper 102, the jack raising cam 103, and the needle lowering cam 106.
  • the modifications necessary to convert the AMP machine so that it will knit stockings in accordance with this invention are indicated by letters a to e. These modifications are explained in Example H.
  • the preferred products. of this invention are knitted with thermoplastic yarns such as nylon in the knitted stitches and utilizing thermoplastic elastic yarns such as bare spandex for the inlay yarn. After such garments are knitted they are stretched over a form and heat set to final shape. This heat-setting operation does not destroy the elastic properties of the inlay yarn.
  • the heat setting temperatures of most knitting yarns are well known but if a new thermoplastic yarn is utilized whose heat setting temperature is not known. If this. proves too low to obtain proper setting, the setting temperature should be raised by increments until proper temperature is reached.
  • Garments which are knitted. of non-thermoplastic yarn may not have the finished counter appearance of heat-set garments but in most cases the combination of elastic inlay, knitted stitches and added courses will give adequate shaping in the convex portions.
  • the garments of this invention may be made of very fine sheer yarns as in the manufacture of ladies stockings or they may be made of very much coarser yarns.
  • the method of makinga garment with yarns of intermediate coarseness is described in Example I.
  • Example I The method of making a typical garment of this invention, a mens below-the-knee elastic stocking with an unturned welt and having a heel section in accordance with the invention, is given in detail below:
  • the machine chosen is the Elha model RME Special, a three-feed machine, one feed of which is constructed to inlay elastic yarn. This machine is manufactured by Harry Lucas, Gadelander Strasse 24-26, Neumunster, Germany.
  • the left-hand elastic inlay feed mechanisms consisting of the jack draw down cam in the lower race, the sinker retracting cam, the inlay needle draw down cam and the elastic inlay finger are activated when the short butt needles have passed the lefthand inlay position and the cams are activated by the arrival of the long butt needles.
  • the clutch 6. for the elastic thread furnisher is activated to furnish about 8 inches of elastic thread to alternating selected needles on each revolution of the cylinder.
  • the elastic thread might be a 280 denier Lycra or another spandex yarn.
  • the operating cams for this feeding station are activated.
  • the right-hand sinker cam is retracted, the right-hand stitch cam is advanced against the short butt needles and the two right-hand yarn fingers are introduced.
  • the knitting yarns chosen might be one end of 70/2 ply Superloft nylon in the first yarn finger and one end of 200 denier nylon in the 2nd yarn finger.
  • the 200 denier nylon yarn is added at the right-hand feed to produce a firm roll-resistant top welt.
  • the stitch size is controlled by the right-hand welt control cam.
  • the firmness and roll-resistance is further improved by the retraction of the center feed clear cam and the simultaneous introduction of the jack clear cam in the lower race.
  • the 50 denier nylon separating yarn is exchanged for a 70/ 2 denier Superloft yarn and with this final action the welt make-up is completed.
  • the elastic furnishing device continues to provide about 8 inches of elastic yarn per cylinder revolution until about 50 rounds of elastic yarn have been knitted and the welt has been complete-d.
  • the graduating device of the elastic furnisher is activated.
  • the elastic yarn feeding speed is increased slightly to provide about 9 inches of elastic yarn per revolution of the knitting machine cylinder to accommodate the normal calf dimen- SlOIlS.
  • the pattern wheel is introduced on the butts of the short butt needles.
  • the pattern wheel slides toward the cylinder and depresses every other needle.
  • the jack draw down cam is taken out of action and all needle selection for the elastic inlay thread is accomplished by the pattern wheel depressing every other needle.
  • the inlay needles chosen change on every revolution of they cylinder from odd to even numbers and from even to odd numbers.
  • the jack clear cam is deactivated in the lower race and this leaves all needles in tuck position.
  • the 70/2 Superloft yarn at the center feeding station is taken" out of action converting the machine to single feed operation.
  • the stitch graduating device is activated increasing the stitch size of the calf area slightly.
  • the size of the knitted. stitch is gradually reduced until the desired stitch density is produced in the ankle area.
  • the speed of the elastic furnishing device is gradually reduced until about 6 inches of spandex are supplied per cylinder revolution in the ankle area.
  • the transition from the welt fabric to the ankle fabric covers approximately 380 rounds of the cylinder.
  • the center feed clear cam is advanced sufiiciently to clear the long b'utt needles. only.
  • additional 70/ 2 Superloft is introduced on all long buttneedles through the introduction of the splicing yarn finger controlled from a cam section attached to the outer sinker ring.
  • This cam section deactivates the splicing finger on all short butt needles leaving a floated yarn section on the inside of the fabric which is later removed.
  • This addition of the 70/ 2 Superloft on all long butt needles is continued for about courses and provides sufficient fabric to form awell fitting heel pocket.
  • the speed of the elastic furnishing device is reduced slightly to provide about 6 inches of elastic yarn per cylinder revolution.
  • the center feed clear cam and the splicing finger with the 70/2 Superloft are taken out of action and the machine continues to knit the foot fabric in the same manner as that used during the knitting of the calf and ankle fabric.
  • the elastic furnishing device When about 100 courses beyond the heel pocket panel are completed, the elastic furnishing device is activated and the amount of elastic yarn per cylinder revolution is gradually increased to reach about 7 inches by the time 120 additional rounds of foot fabric have been knitted and the ring toe position in the stocking has been reached.
  • the center clear cam is introduced again.
  • the 70/2 Superloft toe yarn is introduced on the center feed.
  • the pattern wheel and the left-hand needle draw down cam are taken out of action, the left-hand sinker control cam is advanced and the elastic-yarn furnisher is deactivated.
  • the stitch cam and the yarn finger control cam for the right-hand feed are deactivated.
  • the right-hand sinker cam is pushed in and this takes the right-hand feed out of action, but leaving the knitting machine prepared to knit the ring toe fabric.
  • the main cam drum is moved again to prepare the machine for the manufacture of the toe fabric in the usual manner by reciprocation.
  • the long butt needles are taken out of action and the clutch is engaged to put the cylinder into a reciprocating motion.
  • the up-pickers deactivate one short butt needle on each side of the short butt needle panel on each reciprocation of the cylinder.
  • the needle dropper is introduced putting two short butt needles into action again on each reciprocation of the cylinder.
  • the up-pickers continue to deactivate one short butt needle on each reciprocation.
  • the long butt needles are pulled into action by the wing cam, the clutch returns the cylinder into a rotating movement and the loose course and the final rounds of the margin yarn are knitted in the conventional manner.
  • the 70/2 Superloft toe yarn is exchanged for the 50 denier nylon separating yarn and the stocking knitting cycle is completed.
  • the toe may be closed by looping or sewing.
  • Example II Typical of very fine ultra sheer garments of this invention are the full length elastic ladies stockings which may be knit on various seamless hosiery machines equipped with auxiliary knitting stations.
  • Two very popular machines of this type are the Scott & Williams KN-2 and the AMP machine which may be obtained fitted with elastic yarn inlay devices.
  • the Scott & Williams KN-2 and the AMP machine which may be obtained fitted with elastic yarn inlay devices.
  • the Scott & Williams AMP machine equipped with a suitable elastic furnishing device and modified in certain respects as explained herein so as to have an elastic inlay feed and two additional knitting feeds is used.
  • the machine In the manufacturing process involved the machine is prepared to perform the first operation, the make-up of the fabric. At this point there are no stitches on the needles, the yarn has been taken out of action and the previous stocking has dropped off the needles.
  • alternate knitting needles are raised into knitting position through the activation of alternate cylinder jacks and intermediate jacks.
  • the transfer jacks are pushed out into the spaces of the dcactivated knitting needles, the make-up yarn fingers of the center feed are dropped into action furnishing yarns to the knitting needles selected as well as to the transfer jacks between these needles.
  • I have chosen 50 denier nylon yarns with 10 turns S twist for the welt as well as the make-up yarns of the center and the left-hand feed.
  • the transfer jacks are withdrawn and the knitting needles are drawn down by the center stitch cam.
  • the needles with the make-up yarn are raised to a clear position, the make-up and welt yarns of the left-hand feed are dropped into action and all knitting needles take yarn on the left-hand feed. All needles rise to a tuck height after leaving the left-hand feed.
  • the same alternating needles are selected to clear their stitches and take yarn on the center feed again, but without the activation of the transfer jacks. These needles draw their yarn through the previous round when they pass the center stitch cam. As the cylinder advances, all needles clear their stitches as they approach the left-hand feed. All needles take yarn on the left-hand feed, they go down under the left-hand stitch cam and return to tuck position. At the completion of the second revolution all needles are cleared by the jack raising cam. At this point the auxiliary make-up yarns are taken out of action and the make-up is completed.
  • the machine After the completion of the welt fabric, the machine is prepared for the transfer operation. Alternating cylinder jacks used for the make-up operation are raised again bringing these needles into a clear position through the intermediate jack clear cam.
  • the intervening low needles are raised by the movable end cam in the needle race.
  • the transfer jacks have been moved out to their transferring position where the bowls are directly over the needles rising on the movable end cam.
  • the needles pass through the transfer jack bowls which are withdrawn as soon as the needle hooks have cleared the transfer jacks and this operation has transferred the first course loops of the makeup to the alternating knitting needles.
  • These alternating knitting needles are raised to a clear position where they join the needles cleared by the intermediate jack clear cam.
  • the transfer is completed and the knitting machine continues to knit with all needles on the center feed as well as the left-hand feed to produce the shadow welt which consists of approximately courses.
  • the knitting machine is prepared to produce the elasticized leg and foot portion of the elastic stocking.
  • This preparation includes an exchange of yarns at the center feed, a change of stitch type and an exchange of yarns at the left-hand feed, and the activation of the controlled elastic furnishing device.
  • the selector drum is activated taking two racks on every revolution of the cylinder.
  • the pattern is set to select odd needles in one round and even needles in the next round.
  • the selected needles remain in tuck position until they reach the center clear cam which has been raised to a low clear position, The remaining needles are raised to a high clear position through the action of the cylinder jacks and the intermediate jacks.
  • the yarn change on the center feed from the 50 denier nylon shadow welt yarn to the 30 denier nylon leg yarn takes place about needles prior to the selecting point of the alternating needles when this point approaches the center feed. All needles take the 30 denier nylon leg yarn and knit a conventional jersey fabric on that feed.
  • the left-hand clear cam is taken out of action.
  • the auxiliary intermediate jack clear cam is left in clear position until the selecting point for alternating needles is reached and at that point the auxiliary intermediate jack clear cam is lowered to leave the needle in a tuck position.
  • the alternating needles not controlled by the movement of the intermediate jacks are lowered to the level of the sinker nibs by a dividing cam placed between the left-hand clear cam and the left-hand stitch cam.
  • the elastic furnishing device is activated supplying the elastic yarn to the knitting. needles at a rate of about 10-11 inches limp length for each revolution of the needle cylinder.
  • the elastic yarn chosen for this example is a 100 denier spandex yarn, but experience has shown this material to be inadequate in tensile strength when used in stitches alone to withstand the strain normally exerted on conventional sheer stocking fabrics. Approximately 10 needles ahead of the selecting point for alternating needles operating in tuck position, the elastic yarn is introduced on the left-hand feed.
  • the 50 denier nylon yarn used in the shadow welt is not removed from action until the left-hand stitch cam is raised and the stitch formation on the left-hand feed is converted from a knitting position to a tuck or inlay position for the elastic yarn. At this time I have found it safe to remove the reinforcing shadow welt yarn on the left-hand feed, since in every stitch in which elastic yarn is knitted there is also the 50 denier nylon yarn.
  • the production of the elasticized leg. fabric continues for approximately 340 courses with the elastic yarn furnisher providing about 10-11 inches of elastic yarn per revolution of the cylinder.
  • the elastic yarn furnishing device gradually reduces the amount of elastic yarn furnished to the needles until it finally reaches about 6 inches per cylinder revolution in the ankle area.
  • the fashioning device is activated lowering the cylinder and reducing the stitch size drawn by the knitting needles gradually until the desired stitch density is reached in the ankle area.
  • the left-hand feed is utilized for inlaying the elastic yarn in the heel section and the center feed is used for knitting the courses into which the elastic yarn is inlaid
  • the AMP machine may be changed so that such extra courses may be knitted through the modification of certain needle and sinker cam sections and the addition of an auxiliary yarn feeding finger.
  • the righthand stitch cam a normally used for the reverse stroke of a conventional heel or toe knitting operation is modified on its right side so as to be symmetrical with the left side.
  • an auxiliary raising cam b is provided.
  • auxiliary cams Two other auxiliary cams are also provided; the cam c raises the needle group which has knit under stitch cam a and returns all needles to their original race at the center feed.
  • the other cam is the low clear cam d which clears the latches of all .338 inch and .390 inch butt needles but not the .300 inch, the .270 inch and the .240 inch butt lengths.
  • an. auxiliary yarn feeding finger e is furnished.
  • This arrangement permits the introduction of an additional course or part course and in reality convertsnormal 2-feed operation, one of which is inlaying elastic yarn on the AMP machine to a 3feed operation two of which are knitting.
  • Low clear cam d is introduced clearing the latches of all .338 inch and .390 inch butt needles except the tuck needles, i.e. long latch needles, but not the .300, .270 and .240 inch butt lengths.
  • Intermediate jack cam f is with drawn.
  • auxiliary yarn feeding finger e As the cylinder. advances another yarn is introduced by auxiliary yarn feeding finger e.
  • the yarn chosen might be a 20/2 Superloft nylon yarn. This yarn finger performs the. function of a splicing yarn finger, that means, it provides a 20/2 Superloft nylon yarn to certain selected needles or needle groups, that. is the .338 and .390 inch 'butt needles.
  • tucking is performed by the use of two long latch needles at either end of the heel panel, each pair being separated by normal needles.
  • the needles are raised to receive yarn by low clear cam d.
  • the stitches are drawn by modified stitch cam a whereupon auxiliary cam c raises the needle group to clear-cam 97 level at high clear and returns all needles including the tuck needles to their original normal race at the center feed. All needles are cleared.
  • This modified 3-feed operation is continued for about 160 courses, and the heel pocket is completed without interference of the normal knitting operation at the center or the left-hand feed.
  • the alternating needle selection and laying-in of the elastic thread is continued in the usual manner.
  • cam sections [1, b, c, d and f are returned to the original leg position and the auxiliary yarn feeding finger 2 becomes inactive.
  • the elastic thread furnishing device returns to the ankle position providing about 6 inches of elastic thread per cylinder revolution and this feeding position of the furnisher is maintained for about 150 courses. At this point the thread furnishing speed is gradually increased to provide about 8 /2 inches of elastic thread by the time about 100 additional courses have been completed and the knitting machine is prepared to produce the ring toe stocking section.
  • the ring toe fabric is produced with 50 denier nylon on both the center and left-hand feeds. This means that both yarns used in the foot portion will have to be exchanged and the stitch type on the left-hand feed will have to be changed from tuck or inlay stitch to knitting stitch.
  • the cylinder pattern jacks are taken out of action and the selector drum is stopped. As the cylinder advances to the center feed the 30 denier nylon is replaced with the 50 denier nylon toe yarn about 10 needles before the selector drum has stopped to divide the needles. As the cylinder advances to the left-hand feed the 50 denier nylon is introduced at that position.
  • the auxiliary clear cam for the intermediate jacks on the left-hand feed is raised to a high clear position and this action is followed by the raising of the left-hand clear cam.
  • This Cam change takes place on divided needles. In the final move the elastic yarn is taken out of action and the elastic thread furnishing device is stopped.
  • the knitting machine continues to knit in rotating position for about 8 courses to complete the ring toe fabric.
  • the left-hand and center reverse stroke needle lowering and raising cams are moved into action.
  • the righthand reverse stroke stitch cam is moved into action and the lowering cam is moved out of action.
  • the raising switch cam is moved out of action and the auxiliary raising cam b is moved into action.
  • the clutch shifts the cylinder movement from rotary to a reciprocating movement. This completes the going into the toe rack which prepares the knitting machine to knit the toe fabric on the short butt needles.
  • the machine stops with the short butt needles in front of the machine.
  • the lefthand lifter is in position to engage the first two short butt needle butts when the cylinder makes its first clockwise reciprocation. As the direction of the cylinder reverses the right-hand lifter deactivates two short butt needles from the opposite needle section. This deactivation of the short butt needles continues until about /3 of all short butt needles remain active.
  • the completed stocking is dropped out of knitting needles and is blown into the receiver tube.
  • the knitting process is completed and the machine returns to phase No. 1 to the make-up for a new stocking.
  • the preferred garments of this invention utilize elastic yarns which are thermoplastic, such as spandex.
  • thermoplastic and non-thermoplastic elastic yarns including natural and synthetic vulcanized rubber yarns and elastomeric forms of other polymers and/or copolymers including but not restricted to those of the polyamide (nylon), halogenated polyalkylene, polyether and polyvinyl types are suitable as the elastic yarns in the garments of this invention.
  • polyamide nylon
  • halogenated polyalkylene polyether and polyvinyl types
  • elastic yarn shall mean a yarn which is capable, after being stretched momentarily to of its untensioned length, of substantially returning to that untensioned length within a period of two minutes if unrestrained.
  • This definition is intended to include yarns which are not inherently elastic, that is, not of elastomeric material.
  • yarns which have the requisite elasticity because of the method of manufacture, arrangement or physical chemical or other treatment are satisfactory.
  • thermoplastic heat forming of the garment is involved that the elasticity of the yarn is not destroyed particularly where the yarn is elastic because it has been heat set in its manufacture in kinked, curled, twisted or other non-linear form. In such case, in heat-setting the garment one should not exceed the temperature originally used in heat-setting the yarn.
  • the elastic yarn be inlaid in every course of the normal fabric for purposes of this invention, although in most instances that is preferred.
  • the invention is, however, particularly useful in very fine garments where fit is the primary objective and in some instances the elastic yarn may be inlaid in as little as one course in 10.
  • the effect of the elastic yarn is much greater when it is closer together in adjacent rounds and for some purposes such as in therapeutic garments which also may be very fine, it may be desirable to inlay elastic yarn in every course or in every second or third course. It is to be understood that in the convex portion where courses are added, the elastic yarns will be still further separated.
  • garments include a circular knit seamless band including an elastic yarn inlaid in a generally spiral course of jersey-knit stitches of the band and an additional course of jersey-knit stitches between and separating adjacent turns of the spiral course in a portion less than the circumference of the band.
  • a tubular elastic-yarn-containing garment comprising jersey-knit stitches of thermoplastic yarn forming spiraloid courses of said garment including at least one area forming a convex projection from the tubular walls of said garment, an elastic yarn extending in a spiraloid winding inlaid in at least one of said spiraloid courses of jersey-knit stitches, adjacent rounds of said elastic yarn being separated in said convex projection by at least one additional unreversed course of stitches forming less than a complete circumferential round of said garment, said elastic yarn being present in greater amount in the rounds partially included in said convex projection than in the rounds closely adjacent said projection but not included therein.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Socks And Pantyhose (AREA)
US157208A 1961-12-05 1961-12-05 Circular knit garment with added shaping material Expired - Lifetime US3241340A (en)

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GB45845/62A GB973060A (en) 1961-12-05 1962-12-04 Circular knit garment with added shaping material
DE1585117A DE1585117C3 (de) 1961-12-05 1962-12-05 Rundgestrickter Strumpf

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US3425246A (en) * 1966-09-22 1969-02-04 Kendall & Co Protuberance covering tubular elastic garments
US3454011A (en) * 1966-12-28 1969-07-08 Marvin Wagner Sutures and prosthetic patches
US3457735A (en) * 1963-07-10 1969-07-29 Scott & Williams Inc Knitting methods and machines
US3670529A (en) * 1969-06-03 1972-06-20 Pilot Res Corp Seamless panty hose and method
JPS4813383B1 (de) * 1969-03-31 1973-04-26
US3998076A (en) * 1973-02-16 1976-12-21 Billi, S.P.A. Elasticated waist opening
US4015448A (en) * 1973-12-19 1977-04-05 Colgate-Palmolive Company Support stocking
US4062204A (en) * 1973-06-18 1977-12-13 Ancase S.A. High luster interlock fabric incorporating producer twist yarns
US4086790A (en) * 1975-09-30 1978-05-02 A.I.R. Industries, Inc. Therapeutic garment and method
US4237707A (en) * 1978-09-07 1980-12-09 Kayser-Roth Hoisery, Inc. Dress weight tube sock with mock rib leg and method of knitting
US4589267A (en) * 1982-11-01 1986-05-20 Speizman Industries, Inc. Method and apparatus for producing hosiery article
US5031424A (en) * 1989-02-07 1991-07-16 Sara Lee Corporation Garment blank and brief
US5103656A (en) * 1990-03-27 1992-04-14 Nk Mills, Inc. Split-heel sock
JPH04228601A (ja) * 1990-12-26 1992-08-18 Kanebo Ltd チューブラーストッキング及びその製造方法
US5465594A (en) * 1994-08-08 1995-11-14 Sara Lee Corporation Panty garment and method for forming same
US6173589B1 (en) * 1999-10-08 2001-01-16 Highland Mills, Inc. Knitted foot cover and method of manufacture
US20080115538A1 (en) * 2003-07-03 2008-05-22 Santoni S.P.A. Method For Manufacturing Knitted Articles For Forming Items Of Clothing, Such As Body Suits, Sleeveless Tops, Undershirts, Bras, Underpants Or The Like, Without Lateral Seams, With A Circular Knitting Machine
US20090044313A1 (en) * 2006-03-07 2009-02-19 Pacific Brands Clothing Pty Ltd Sock
US20090126081A1 (en) * 2005-07-09 2009-05-21 X-Technology Swiss Gmbh Sock
US20090223254A1 (en) * 2008-03-04 2009-09-10 Manabu Ishida Sock and process for the production thereof
US20090276939A1 (en) * 2008-05-12 2009-11-12 Kenji Sho Sock
US20140353324A1 (en) * 2009-09-04 2014-12-04 Freaker Usa, Inc. Insulating knitted beverage jacket cozy
US20150128449A1 (en) * 2012-08-29 2015-05-14 Chung-Kuang Lin Shoe structure and manufacturing method thereof
WO2018203895A1 (en) * 2017-05-02 2018-11-08 Nike Innovate C.V. Upper-torso garment with three-dimensional knit structures
US10145042B2 (en) 2017-05-02 2018-12-04 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
US10179960B2 (en) 2017-05-02 2019-01-15 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
US10182656B2 (en) 2015-04-13 2019-01-22 Steelcase Inc. Seating components with laminated bonding material
US10368590B2 (en) 2015-11-03 2019-08-06 Nike, Inc. Flat-knit support garment for upper torso
US10494747B2 (en) 2016-02-26 2019-12-03 Medi Gmbh & Co. Kg Circular-knitted part and method for the production of same
WO2020072236A1 (en) * 2018-10-03 2020-04-09 Nike Innovate C.V. Upper-torso garment with three-dimensional knit structures
USD888479S1 (en) 2018-06-04 2020-06-30 Steelcase Inc. Chair arm
USD891842S1 (en) 2018-06-04 2020-08-04 Steelcase Inc. Chair arm
US10912340B2 (en) 2017-05-02 2021-02-09 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
US11332858B2 (en) * 2015-09-10 2022-05-17 Medi Gmbh & Co. Kg Flat-knitted material in the form of a pants part comprising the seat
USD989471S1 (en) * 2019-12-02 2023-06-20 X-Technology Swiss Gmbh Sock
US11717033B2 (en) 2019-09-05 2023-08-08 Nike, Inc. Easy Don and Doff sock

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GB2529243A (en) * 2014-08-15 2016-02-17 Martin Lowe A Method of Holding a sock of varied length in a comfortable position on the foot during sporting activities and/or prolonged periods of rigorous movement
JP6928749B2 (ja) 2015-03-27 2021-09-01 トレレ・イノベーション・エス．アール．エル． 円形機を使用して製作される弾力のある挿入物を有する衣類
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Cited By (60)

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Publication number Priority date Publication date Assignee Title
US3457735A (en) * 1963-07-10 1969-07-29 Scott & Williams Inc Knitting methods and machines
US3457737A (en) * 1963-07-10 1969-07-29 Scott & Williams Inc Knitted products
US3425246A (en) * 1966-09-22 1969-02-04 Kendall & Co Protuberance covering tubular elastic garments
US3454011A (en) * 1966-12-28 1969-07-08 Marvin Wagner Sutures and prosthetic patches
JPS4813383B1 (de) * 1969-03-31 1973-04-26
US3670529A (en) * 1969-06-03 1972-06-20 Pilot Res Corp Seamless panty hose and method
US3998076A (en) * 1973-02-16 1976-12-21 Billi, S.P.A. Elasticated waist opening
US4062204A (en) * 1973-06-18 1977-12-13 Ancase S.A. High luster interlock fabric incorporating producer twist yarns
US4015448A (en) * 1973-12-19 1977-04-05 Colgate-Palmolive Company Support stocking
US4086790A (en) * 1975-09-30 1978-05-02 A.I.R. Industries, Inc. Therapeutic garment and method
US4237707A (en) * 1978-09-07 1980-12-09 Kayser-Roth Hoisery, Inc. Dress weight tube sock with mock rib leg and method of knitting
US4589267A (en) * 1982-11-01 1986-05-20 Speizman Industries, Inc. Method and apparatus for producing hosiery article
US5031424A (en) * 1989-02-07 1991-07-16 Sara Lee Corporation Garment blank and brief
US5103656A (en) * 1990-03-27 1992-04-14 Nk Mills, Inc. Split-heel sock
JPH04228601A (ja) * 1990-12-26 1992-08-18 Kanebo Ltd チューブラーストッキング及びその製造方法
US5465594A (en) * 1994-08-08 1995-11-14 Sara Lee Corporation Panty garment and method for forming same
US6173589B1 (en) * 1999-10-08 2001-01-16 Highland Mills, Inc. Knitted foot cover and method of manufacture
US7458237B2 (en) * 2003-07-03 2008-12-02 Santoni S.P.A. Method for manufacturing knitted articles for forming items of clothing, such as body suits, sleeveless tops, undershirts, bras, underpants or the like, without lateral seams, with a circular knitting machine
US20080115538A1 (en) * 2003-07-03 2008-05-22 Santoni S.P.A. Method For Manufacturing Knitted Articles For Forming Items Of Clothing, Such As Body Suits, Sleeveless Tops, Undershirts, Bras, Underpants Or The Like, Without Lateral Seams, With A Circular Knitting Machine
US20090126081A1 (en) * 2005-07-09 2009-05-21 X-Technology Swiss Gmbh Sock
US8505120B2 (en) * 2005-07-09 2013-08-13 X-Technology Swiss Gmbh Sock
US8424116B2 (en) * 2006-03-07 2013-04-23 7933657 Canada, Inc. Sock
US20090044313A1 (en) * 2006-03-07 2009-02-19 Pacific Brands Clothing Pty Ltd Sock
US20090223254A1 (en) * 2008-03-04 2009-09-10 Manabu Ishida Sock and process for the production thereof
US7757518B2 (en) * 2008-05-12 2010-07-20 Okamoto Corporation Sock
US20090276939A1 (en) * 2008-05-12 2009-11-12 Kenji Sho Sock
US20140353324A1 (en) * 2009-09-04 2014-12-04 Freaker Usa, Inc. Insulating knitted beverage jacket cozy
US20150128449A1 (en) * 2012-08-29 2015-05-14 Chung-Kuang Lin Shoe structure and manufacturing method thereof
US10182656B2 (en) 2015-04-13 2019-01-22 Steelcase Inc. Seating components with laminated bonding material
US11058224B2 (en) 2015-04-13 2021-07-13 Steelcase Inc. Seating components with laminated bonding material
US11332858B2 (en) * 2015-09-10 2022-05-17 Medi Gmbh & Co. Kg Flat-knitted material in the form of a pants part comprising the seat
US11484068B2 (en) 2015-11-03 2022-11-01 Nike, Inc. Flat-knit support garment for upper torso
US10368590B2 (en) 2015-11-03 2019-08-06 Nike, Inc. Flat-knit support garment for upper torso
US10494747B2 (en) 2016-02-26 2019-12-03 Medi Gmbh & Co. Kg Circular-knitted part and method for the production of same
US10145042B2 (en) 2017-05-02 2018-12-04 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
US11118288B2 (en) 2017-05-02 2021-09-14 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
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US10604873B2 (en) 2017-05-02 2020-03-31 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
EP4303352A1 (de) * 2017-05-02 2024-01-10 Nike Innovate C.V. Oberkörperbekleidung mit dreidimensionalen strickstrukturen
CN113397236B (zh) * 2017-05-02 2023-12-29 耐克创新有限合伙公司 具有三维针织结构的上身服装
US11788217B2 (en) 2017-05-02 2023-10-17 Nike, Inc. Upper-torso garment with three-dimensional knit structures
KR20210003964A (ko) * 2017-05-02 2021-01-12 나이키 이노베이트 씨.브이. 3-차원 니트 구조를 갖는 상체 의복
KR20210005996A (ko) * 2017-05-02 2021-01-15 나이키 이노베이트 씨.브이. 3-차원 니트 구조를 갖는 상체 의복
US10912340B2 (en) 2017-05-02 2021-02-09 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
US10920345B2 (en) 2017-05-02 2021-02-16 Nike, Inc. Upper-torso garment with three-dimensional knit structures
US11560654B2 (en) 2017-05-02 2023-01-24 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
US10415164B2 (en) 2017-05-02 2019-09-17 Nike, Inc. Upper-torso garment with three-dimensional knit structures
KR20190126427A (ko) * 2017-05-02 2019-11-11 나이키 이노베이트 씨.브이. 3-차원 니트 구조를 갖는 상체 의복
CN113397236A (zh) * 2017-05-02 2021-09-17 耐克创新有限合伙公司 具有三维针织结构的上身服装
US11486068B2 (en) 2017-05-02 2022-11-01 Nike, Inc. Upper-torso garment with three-dimensional knit structures
US11225735B2 (en) 2017-05-02 2022-01-18 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
US10179960B2 (en) 2017-05-02 2019-01-15 Nike, Inc. Upper-torso garment with tubular-jacquard knit structure
WO2018203895A1 (en) * 2017-05-02 2018-11-08 Nike Innovate C.V. Upper-torso garment with three-dimensional knit structures
USD891842S1 (en) 2018-06-04 2020-08-04 Steelcase Inc. Chair arm
USD888479S1 (en) 2018-06-04 2020-06-30 Steelcase Inc. Chair arm
US11142854B2 (en) 2018-10-03 2021-10-12 Nike, Inc. Upper-torso garment with three-dimensional knit structures
CN112771218A (zh) * 2018-10-03 2021-05-07 耐克创新有限合伙公司 具有三维针织结构的上躯干服装
WO2020072236A1 (en) * 2018-10-03 2020-04-09 Nike Innovate C.V. Upper-torso garment with three-dimensional knit structures
US11717033B2 (en) 2019-09-05 2023-08-08 Nike, Inc. Easy Don and Doff sock
USD989471S1 (en) * 2019-12-02 2023-06-20 X-Technology Swiss Gmbh Sock

Also Published As

Publication number Publication date
GB973060A (en) 1964-10-21
DE1585117A1 (de) 1970-01-08
DE1585117C3 (de) 1973-10-18
DE1585117B2 (de) 1973-03-29

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