Apparatus for making slide-fastener stringers

Details Apparatus for making slide-fastener stringers Apparatus for making slide-fastener stringers

1974-01-25

1976-09-28

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With means applying wave energy or electrical energy...

29408, 29410, 156219, 156245, 156272, 156500, B29D 500

Patent

active

039829880

ABSTRACT:
Slide-fastener stringers are made by extruding continuous strands of synthetic resin in a form having a plurality of cavities open on one side and defining the coupling head, shank and connecting portion of a multiplicity of coupling members which together form a coupling element adapted to be mounted along the edge of a support tape. An embossing tool is thrust into the connecting members and/or the shanks of the coupling members so as to plastically deform the thermoplastic material and produce humps along the surfaces of the coupling element which are thermally bonded to the support tape.

REFERENCES:
patent: 3196196 (1965-07-01), Burbank
patent: 3445915 (1969-05-01), Cuckson et al.

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