Method and apparatus for binding edges of woven, non woven and k

Details Method and apparatus for binding edges of woven, non woven and k Method and apparatus for binding edges of woven, non woven and k

1987-02-17

1988-07-05

Czaja, Donald E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

100 93P, 100215, 100218, 1563082, 156359, 156538, 1565831, B02C 1108, B30B 1534

Patent

active

047552425

ABSTRACT:
A knitted, woven or non woven article such as a glove for example, having a wrist cuff includes an edge binding which is activatable by the application of heat thereto to prevent unraveling of the cuff edge. The bound edge is defined by first and second yarn ends which are knitted or woven together, wherein the first yarn includes a heat activatable, thermoplastic outer covering and the second yarn is defined by a nonthermoplastic, elastic material. The first and second yarns are knitted or woven in a manner to form crossover points therebetween. The edge binding is subjected to heat in order to melt the thermoplastic outer covering of the first yarn, thereby joining the first and second yarns at the crossover points. The articles may be formed on conventional, automatic knitting machines. The knitted articles are ejected from the machine and are gravity fed into a device which melts the thermoplastic outer covering of the first yarn, and thereby bind the edge of the article. The device includes either a pair of heated plates between which the article edge is clamped or an enclosure into which warmed air is introduced to melt the thermoplastic outer covering of the first yarn.

REFERENCES:
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patent: 3226275 (1965-12-01), Kiess
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patent: 3996771 (1976-12-01), Routh et al.
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patent: 4093085 (1978-06-01), Hudelmaier et al.
patent: 4479844 (1984-10-01), Yamada
patent: 4534819 (1985-08-01), Payet et al.

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