Method of thermofixing continuous coupling elements of synthetic

Details Method of thermofixing continuous coupling elements of synthetic Method of thermofixing continuous coupling elements of synthetic

1977-10-06

1980-05-27

Michl, Paul R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

425814, B06B 300

Patent

active

042050278

ABSTRACT:
Continuous coupling elements, e.g. coils of synthetic-resin monofilament, preferably in an interconnected state, are heated to a thermofixing temperature and, with the aid of additional ultrasonic energy and pressure, have upper shanks of each coupling member deformed to provide recesses adapted to receive the stitches for attachment of the coupling elements to a support tape.

REFERENCES:
patent: 3069723 (1962-12-01), Porepp
patent: 3672008 (1972-06-01), Moertel
patent: 3735469 (1973-05-01), Moertel
patent: 3770361 (1973-11-01), Heimberger
patent: 4052145 (1977-10-01), Stenhall

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