Method for preventing plastic from hardening in a dispenser tip

Details Method for preventing plastic from hardening in a dispenser tip Method for preventing plastic from hardening in a dispenser tip

1990-08-08

1991-03-19

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

Work is organic material

222108, 222544, 264 39, 264516, 264313, 425215, B29C 6700

Patent

active

050008951

ABSTRACT:
A method for preventing hardening of plastic material in a dispenser tip during periods of nonuse of the dispenser tip. The method involves providing a balloon around the dispenser tip, and then filling the balloon with plastic material.

REFERENCES:
patent: 572603 (1896-12-01), Hare
patent: 3922126 (1975-11-01), Seaver et al.
patent: 4671331 (1987-06-01), Pruden
patent: 4830793 (1989-05-01), Fermigier et al.

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