GB540964A - Improvements in or relating to circular knitting machines and in methods of feeding elastic threads therein - Google Patents

Improvements in or relating to circular knitting machines and in methods of feeding elastic threads therein

Info

Publication number
GB540964A
GB540964A GB3388/41A GB338841A GB540964A GB 540964 A GB540964 A GB 540964A GB 3388/41 A GB3388/41 A GB 3388/41A GB 338841 A GB338841 A GB 338841A GB 540964 A GB540964 A GB 540964A
Authority
GB
United Kingdom
Prior art keywords
thread
spindles
rubber
knitting
feeding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3388/41A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scott and Williams Inc
Original Assignee
Scott and Williams Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Scott and Williams Inc filed Critical Scott and Williams Inc
Publication of GB540964A publication Critical patent/GB540964A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • D04B15/50—Thread-feeding devices for elastic threads

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Abstract

540,964. Knitting. SCOTT & WILLIAMS, Inc. March 12, 1941, No. 3388. Convention date, April 2, 1940. [Class 74 (ii)] Relates to means for and a method of feeding bare or covered rubber thread to a rib knitting- machine and knitting it under uniform stretch. The mechanism first removes all tension from the rubber thread and then presents it in an unstretched condition to a positive feeding means which stretches it uniformly. The thread R is pulled off a supply 100 by a yarn furnisher consisting of a small electric motor 110 geared to two yarn advancing spindles 115, 116 with circumferential grooves 119. The rubber thread is wrapped around the spindles in loops, embracing both spindles and progresses from one groove to another towards the free ends of the spindles, where it drops off. This process slightly kinks the thread R, which is straightened by a feeler arm 120 forming part of a multipoint mercury switch 125. The contacts are so located that as the feeler arm moves, the number of points in contact with the mercury is varied to control the speed of the motor 110. From the eye 130 in the end of the arm 120 the thread R passes to a feeding device consisting of a cone 140 positively driven from the dial driving gear 36 through gears 146, 147. The gearing relation is such that the linear speed of the thread passing between the cone 140 and its associated pressure roll 141 is less than the amount drawn by the needles, which results in the thread being uniformly stretched. A cam 139 is used to put pressure on the fabric opposite the knocking-over point to pull the rubber stitches away from the needles.
GB3388/41A 1940-04-02 1941-03-12 Improvements in or relating to circular knitting machines and in methods of feeding elastic threads therein Expired GB540964A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US327495A US2248880A (en) 1940-04-02 1940-04-02 Circular knitting machine and method of operating same

Publications (1)

Publication Number Publication Date
GB540964A true GB540964A (en) 1941-11-06

Family

ID=23276770

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3388/41A Expired GB540964A (en) 1940-04-02 1941-03-12 Improvements in or relating to circular knitting machines and in methods of feeding elastic threads therein

Country Status (2)

Country Link
US (1) US2248880A (en)
GB (1) GB540964A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2306175A (en) * 1995-10-12 1997-04-30 Du Pont Knitted fabric with plated elastomeric and non-elastomeric yarn

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627738A (en) * 1953-02-10 Elastic yarn feeding means for
US2450484A (en) * 1948-10-05 Letoff foe looms
US2430639A (en) * 1944-10-12 1947-11-11 Uxbridge Worsted Co Inc Means for controlling the tension on the warp in looms
US2465071A (en) * 1946-07-26 1949-03-22 Crompton & Knowles Loom Works Motor-driven letoff for looms
DE974659C (en) * 1951-02-20 1961-03-16 Fouquet Werk Frauz & Planck Device for feeding a rubber thread to the needles of circular knitting machines
DE1045587B (en) * 1953-03-03 1958-12-04 Rund Und Flachstrick Maschb Ka Thread delivery device for circular knitting or circular knitting machines
US3073139A (en) * 1960-05-23 1963-01-15 Herbert G Post Controlled feed mechanism for yarn
US3226955A (en) * 1963-04-25 1966-01-04 Lawson Engineering Co Method and apparatus for feeding yarn to a knitting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2306175A (en) * 1995-10-12 1997-04-30 Du Pont Knitted fabric with plated elastomeric and non-elastomeric yarn
US5931023A (en) * 1995-10-12 1999-08-03 Du Pont Process and apparatus for knitting fabric with non-elastic yarn and bare elastomeric yarn and sweater knit fabric construction
GB2306175B (en) * 1995-10-12 1999-08-04 Du Pont Process and apparatus for knitting fabric with non-elastic yarn and bare elastomeric yarn and sweater knit fabric construction

Also Published As

Publication number Publication date
US2248880A (en) 1941-07-08

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