Mixing head for producing a preferably chemically reactive mixtu

Details Mixing head for producing a preferably chemically reactive mixtu Mixing head for producing a preferably chemically reactive mixtu

1983-03-09

1988-09-27

Rolla, Joseph J.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With common discharge

222564, 366336, B67D 560

Patent

active

047735643

ABSTRACT:
In a mixing head, a housing (1) has a bore (2) in which a control piston (7) can be moved to and fro. One portion of the bore constitutes the mixing chamber (4), which is bounded by the end face of the control piston and by a plurality of restrictors (9) and (10) which are arranged in a row one next to the other and/or one behind the other, and can be slid into the bore. The restrictors are preferably introduced into the bore (2) from diametrically opposite sides, forming a cascade-like structure. Inlet orifices (5) and (6) for each plastic component enter the mixing chamber. As it flows, the mixture of plastic components is divided, by the cascade-like structure, into a plurality of part-streams and thereby subjected to additional mixing, and passes, with sufficiently laminar flow, into a mold.

REFERENCES:
patent: 3263928 (1966-08-01), Gusmer
patent: 3460809 (1969-08-01), Hauss
patent: 3743184 (1973-07-01), Mancus
patent: 4141470 (1979-02-01), Schulte et al.
patent: 4370062 (1983-01-01), Moody

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