Metal working – Method of mechanical manufacture – Of a slide fastener
Patent
1992-04-21
1993-06-08
Echols, P. W.
Metal working
Method of mechanical manufacture
Of a slide fastener
29770, 83921, A41H 3706, B21D 5350
Patent
active
052167968
ABSTRACT:
A slide fastener shortening method for shortening a slide fastener with rows of fastener elements made of synthetic resin from a predetermined length of the slide fastener into a desired short length thereof. In an illustrative embodiment, the present invention includes the steps of: inserting removers disposed at the position orthogonal to the fastener tape into the interstice between fastener elements at a position approximately corresponding to the fastener element length required in a product slide fastener of the desired short length, pressing unnecessary fastener elements of the extra length adjacent to the removers along the proper length to thin the fastener elements to permit easy deformation, pulling the slide fastener in the longitudinal direction to strip off the compressed and deformed fastener elements with the removers and to remove them from each fastener tape so as to form space sections free of fastener elements, and cutting them within the space sections into the desired short length to obtain the product slide fastener of the desired short length. This method may also comprise the steps of, stripping the pressed and deformed fastener elements form the fastener tape with the remover so as to form the space sections free of the fastener elements, and cutting the slide fastener within the space sections into the desired short length to obtain the product slide fastener of the desired short length after attaching upper ends to the fastener element rows of the product slide fastener of the desired short length.
REFERENCES:
patent: 3831474 (1974-08-01), Perlman
patent: 4153489 (1979-05-01), Moertel et al.
patent: 4262569 (1981-04-01), Yoshieda et al.
patent: 4325185 (1982-04-01), Kanzaka
patent: 4428264 (1984-01-01), Shimai
patent: 4866825 (1989-09-01), Suzuki
Sawada Toshiaki
Tanaka Shigeru
Echols P. W.
Yoshida Kogyo K.K.
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