Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Organic polymerization
Patent
1983-04-04
1986-08-26
Lacey, David L.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Organic polymerization
422224, 366173, 521917, 521920, C08F29906, B01F 520
Patent
active
046082336
ABSTRACT:
A mixing method and apparatus for preparing multi-component plastic materials, especially polyurethanes, which are mixed before being fed into a mold. According to the invention, a first and at least a second main component are mixed by feeding them into a limited area of a mixing chamber through lateral inlet apertures symmetrically arranged with respect to a plane comprising the longitudinal axis of the chamber and in which a third or secondary component to be mixed is fed through a channel, opening in the chamber upstream of said inlet apertures and orientated so as to direct the flow of the third or secondary component towards said mixing area in the direction of flow of the mixture. A control member is moved toward an advanced position so that it closes the inlet apertures to interrupt feeding of the first and second main components and a coloring agent through respective inlet apertures after a mixing operation.
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AFROS S.p.A.
Lacey David L.
Ledbetter, Jr. Titus B.
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