Apparatus for gapping a slide fastener

Details Apparatus for gapping a slide fastener Apparatus for gapping a slide fastener

1977-12-05

1978-12-26

Yost, Frank T.

Severing by tearing or breaking

Breaking or tearing apparatus

Combined with preliminary weakener or with nonbreaking cutter

83620, 83921, B26D 106, B26D 900, B26F 300

Patent

active

041312236

ABSTRACT:
Gapping apparatus includes offset knife sets adapted on closing to break the legs of the U-shaped fastener elements in the desired gap zone. Cutters are also provided to sever the end cords of the elements so that parts of the fastener elements in the gap area are completely liberated upon the opening of the apparatus. Indexing means are provided.

REFERENCES:
patent: 2987809 (1961-06-01), Burbank
patent: 3005581 (1961-10-01), Burbank
patent: 3540090 (1970-11-01), Takamatsu
patent: 3831474 (1974-08-01), Perlman

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