Method of and apparatus for making slide fastener

Details Method of and apparatus for making slide fastener Method of and apparatus for making slide fastener

1976-06-14

1977-07-12

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Of a slide fastener

29 332, 29766, B29D 500

Patent

active

040344592

ABSTRACT:
A stringer for a slide fastener is formed by assembling head portions of a spiral coupling element through slots in a support member which is folded and secured to retain the spiral coupling element by strap portions between the slots extending at an oblique angle to the folded edge.

REFERENCES:
patent: 1609487 (1926-12-01), Marinsky
patent: 1937297 (1933-11-01), Sundback
patent: 2018099 (1935-10-01), Sundback
patent: 3430304 (1969-03-01), Swainson
patent: 3517422 (1970-06-01), Uhrig
patent: 3735469 (1973-05-01), Moertel et al.
patent: 3836413 (1974-09-01), Frohlich et al.
patent: 3854174 (1974-12-01), Yoshida

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