Continuous slide fastener stringers

Details Continuous slide fastener stringers Continuous slide fastener stringers

1978-09-21

1980-02-12

Kannan, Philip C.

Buckles, buttons, clasps, etc.

Buckles

One-piece

2420516R, A44B 1900

Patent

active

041875915

ABSTRACT:
A pair of slide fastener stringers of continuous or substantially endless length comprising a pair of opposed stringer tapes and a pair of rows of coupling fastener elements carried along the respective confronting inner longitudinal edges of the stringer tapes. Each row of fastener elements has a plurality of sections devoid of fastener elements or at least of the coupling head portions thereof, said sections being spaced at substantially equal intervals defining the ultimate length of an individual fastener product. The end stops are applied to the tapes where the element-free or coupling-head-free sections are located. The tapes are made of thermoplastic synthetic fibers or their blended yarns and have a plurality of openings disposed adjacent to the element-free or coupling-head-free sections and extending across the element rows that have been coupled together. The marginal edges defining the openings are fused with heat.

REFERENCES:
patent: 3353256 (1967-11-01), Frohlich
patent: 3456306 (1969-07-01), Heinberger
patent: 3510379 (1970-05-01), Heimberger
patent: 3971868 (1976-07-01), Murai
patent: 4054973 (1977-10-01), Moertel

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