Sliding clasp fastener

Details Sliding clasp fastener Sliding clasp fastener

1985-09-13

1987-03-24

Dorner, Kenneth J.

Buckles, buttons, clasps, etc.

Zipper or required component thereof

Interlocking surface constructed from plural elements in series

24410, 24411, A44B 1902

Patent

active

046513884

ABSTRACT:
A sliding clasp fastener which is provided has a pair of sliders for opening and closing the fastener in the forward direction and in the reverse direction, respectively. The fastener has a series of discrete coupling elements each having means for facilitating engagement of adjacent elements with minimum frictional resistance when the fastener is opened or closed in the reverse direction, such means comprising a pocket having a front end wall sloping at the outside of the pocket and being reinforced by rib means inside the pocket.

REFERENCES:
patent: 17881 (1930-11-01), Winterhalter
patent: 1610839 (1926-12-01), Winterhalter
patent: 1692196 (1928-11-01), Blair
patent: 2440007 (1948-04-01), Frank
patent: 2489718 (1949-11-01), Morin

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