Method and an apparatus for the production of articles which con

Details Method and an apparatus for the production of articles which con Method and an apparatus for the production of articles which con

1979-08-15

1981-03-24

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

2643282, 26432818, 264DIG83, 425155, 425166, 425543, 425817R, B29D 2700

Patent

active

042579929

ABSTRACT:
The invention relates to a method, and an apparatus, for the production of articles which consist of filler-containing synthetic material, in particular a foam, wherein flowable reactants, at least one of which has previously been charged with filler, are injected into a mixing zone under predetermined injection pressures, wherein the reaction mixture is subsequently introduced into a mold.
Cellular materials such as flexible, semi-rigid, rigid or structured foam based, for example, on polyurethane or isocyanurate, and also non-cellular materials such as elastomers, may be produced by methods of this type.

REFERENCES:
patent: 3706515 (1972-12-01), Keuerleber et al.
patent: 3843100 (1974-10-01), Haas et al.
patent: 3908862 (1975-09-01), Chandra et al.
patent: 4013391 (1977-03-01), Boden et al.
patent: 4073840 (1978-02-01), Saidla

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