Machinery for filling cavities with flowable reaction mixtures

Details Machinery for filling cavities with flowable reaction mixtures Machinery for filling cavities with flowable reaction mixtures

1982-08-23

1985-06-04

Derrington, James

Dispensing

Automatic control

Motor control

222135, 366151, 366152, 425145, 425147, B29F 103

Patent

active

045209472

ABSTRACT:
The instant invention is directed to a process for filling a cavity with a flowable reaction mixture through an inlet opening located at the bottom of the cavity. The process broadly comprises injecting a relatively small amount of reaction mixture into the cavity to cover the inlet opening with reaction mixture. The injection process is then briefly interrupted. Thereafter, the remaining amount of reaction mixture is injected into the cavity. The invention also relates to apparatus useful in performing the above-described process.

REFERENCES:
patent: 3551947 (1971-01-01), Jennings
patent: 3752623 (1973-08-01), Sinn et al.
patent: 3858852 (1975-01-01), Breer et al.
patent: 3871556 (1975-03-01), Breer et al.
patent: 4013391 (1977-03-01), Boden et al.
patent: 4070008 (1978-01-01), Schlieckmann

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