Method for cleaning a mixer

Details Method for cleaning a mixer Method for cleaning a mixer

1995-10-12

1998-03-31

Warden, Jill

Mechanical guns and projectors

Spring

Elastic band

134 221, 134 2211, 134 30, 134 35, 134 36, 222148, B08B 704, B08B 902

Patent

active

057333793

ABSTRACT:
A method for purging cured and partially cured material from a mixer employed in a system for dispensing two-component reactive polymeric materials, includes, in one aspect, the introduction of a pulsed flow of a flushing material into the mixer to purge partially cured two-component mixture from the mix and thus delay the onset of plugging of the mixer, and, in a second aspect, includes heating the mixer to a temperature between the application temperature and decomposition temperature of the cured components and then introducing flushing material at high hydraulic pressure to discharge cured material from the mixer.

REFERENCES:
patent: 3026183 (1962-03-01), Cole, III
patent: 3119720 (1964-01-01), Stiles et al.
patent: 3457108 (1969-07-01), Hittel
patent: 3776774 (1973-12-01), Miller
patent: 3806030 (1974-04-01), Svensson
patent: 3865628 (1975-02-01), Callahan et al.
patent: 4485840 (1984-12-01), Erwin
patent: 4522504 (1985-06-01), Greverath
patent: 4549676 (1985-10-01), Gerich
patent: 5012839 (1991-05-01), Rogers et al.
patent: 5318637 (1994-06-01), Wernicke

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