Method of and an installation for the continuous production of b

Details Method of and an installation for the continuous production of b Method of and an installation for the continuous production of b

1983-06-06

1984-12-18

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

264101, 264338, 264DIG84, 425 89, 425224, 425817C, B29D 2704

Patent

active

044890230

ABSTRACT:
In the continuous production of block-foam from liquid reaction components, the danger of over-rolling exists in installations having low throughputs and in installations having high throughputs, which over-rolling results in faults in the finished block. These over-rolling phenomena are avoided by providing a conveyor belt in the mixture charging zone which belt transports on its conveying surface a foil which has trough-shaped indentations which can correspond to trough-shaped indentations in the conveying surface. The reaction mixture is portioned into the indentations of the foil. These portions are only spread out once the reaction mixture has reached the creamy phase.

REFERENCES:
patent: 3729534 (1973-04-01), Ferstenberg
patent: 3786122 (1974-01-01), Berg
patent: 3870441 (1975-03-01), Petzetakis
patent: 3972667 (1976-08-01), Hanusa
patent: 4005958 (1977-02-01), Porter
patent: 4099280 (1978-07-01), Hoppe et al.
patent: 4120626 (1978-10-01), Keller
patent: 4150075 (1979-04-01), Schmitzer et al.
patent: 4222722 (1980-09-01), Bokelmann
patent: 4252757 (1981-02-01), James et al.
patent: 4260353 (1981-04-01), Buchert et al.

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