Process for the manufacture of locks of hair from synthetic fibe

Details Process for the manufacture of locks of hair from synthetic fibe Process for the manufacture of locks of hair from synthetic fibe

1980-10-30

1983-03-22

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 733, 156180, 156251, 156296, 156433, 156515, 1565802, B29C 2708, B30B 1506, B32B 3118

Patent

active

043774270

ABSTRACT:
Locks of hair from synthetic fibers grouped into a bundle are welded and then cut by ultrasonic waves in a two step process. The fiber bundle is placed on a platform having a pointed ridge, and a component comprising the emitter and an ultrasonic tool is moved downwardly in two stages. The emitter is deactivated during the return to its upper position.

REFERENCES:
patent: 3184354 (1965-05-01), Strother
patent: 3681176 (1972-08-01), Reifenhauser et al.
patent: 3727619 (1973-04-01), Kuris
patent: 3821048 (1974-06-01), Acker et al.
patent: 4075046 (1978-02-01), MacDonald

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