Method and apparatus for manufacture of slide fastener stringer

Details Method and apparatus for manufacture of slide fastener stringer Method and apparatus for manufacture of slide fastener stringer

1976-06-14

1977-12-06

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Of a slide fastener

2420516C, 29408, 29766, 29769, B29D 500

Patent

active

040608867

ABSTRACT:
In a method and apparatus, a continuous filament coupling element for a slide fastener is formed and an inside surface of one leg portion of a pair of leg portions at each section of the coupling element is deformed to form interlocking means such as a sharp edge, groove, tooth, or the like. An elongated member is biased against the interlocking means to interlock therewith and prevent longitudinal and transverse movement of the elongated member relative to the leg portions. The coupling element is secured to a tape to complete the stringer.

REFERENCES:
patent: 3162918 (1964-12-01), Burbank
patent: 3290747 (1966-12-01), Burbank
patent: 3665561 (1972-05-01), Heimberger
patent: 3750260 (1973-08-01), Jakob
patent: 3795950 (1974-03-01), Sohr
patent: 3854174 (1974-12-01), Yoshida

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