Slider for concealed slide fasteners

Details Slider for concealed slide fasteners Slider for concealed slide fasteners

1975-09-23

1977-01-04

Gelak, Bernard A.

Buckles, buttons, clasps, etc.

Buckles

One-piece

2420515R, A44B 1932

Patent

active

040005461

ABSTRACT:
A slider for use with a pair of concealed fastener stringers in which rows of scoops are stitched to respective folds formed rearwardly along the opposed longitudinal edges of stringer tapes, in such a manner that each tape fold has a loose outermost edge on the outside of the line of stitching. A pair of side walls on the marginal edges of the rear wall of the slider body extend from its lower end and terminate short of its upper end, and a pair of outer lips turned inwardly from the side walls extend close to the lipped inboard end of a separator on the upper end of the rear wall. The slider of this configuration is capable of preventing the jamming of the loose outermost edges of the tape folds as they enter the guide channel in the slider body during the fastener closing movement of the slider.

REFERENCES:
patent: 2120924 (1938-06-01), Stillschweig
patent: 2870507 (1959-01-01), Poux
patent: 3005247 (1961-10-01), Doelter
patent: 3011251 (1961-12-01), McNamara
patent: 3430304 (1969-03-01), Swainson
patent: 3798715 (1974-03-01), Moertel

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