Method of producing interlocking elements for slide fasteners

Details Method of producing interlocking elements for slide fasteners Method of producing interlocking elements for slide fasteners

1974-11-07

1976-05-25

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Dividing work to form plural articles

264 23, 264145, 264163, 264285, B29D 500

Patent

active

039594300

ABSTRACT:
A method of producing a ladder-like structure for use as a row of interlocking elements for a slide fastener is disclosed. A pair or pairs of elongated connecting members are advanced in parallel alignment along their length at predetermined intervals. For the pair or pairs of connecting members, a plurality of element-forming spaced strips of a thermoplastic material are fed simultaneously for attachment transversely to the connecting members. The result is to produce a ladder-like structure at increased rate of speed which is suitable for use as a row of fastener elements.

REFERENCES:
patent: 2577584 (1951-12-01), Hofreiter
patent: 3340594 (1967-09-01), Frohlich
patent: 3608034 (1971-09-01), Bramley
patent: 3672008 (1972-06-01), Moertel
patent: 3686719 (1972-08-01), Johnstone
patent: 3813459 (1974-05-01), Potin

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