Method for the continuous production of expanded plastic...

Details Method for the continuous production of expanded plastic... Method for the continuous production of expanded plastic...

2005-10-18

2005-10-18

Kuhns, Allan R (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

C366S177100, C425S00400R

Reexamination Certificate

active

06955779

ABSTRACT:
A method for the continuous production of expanded plastic material for forming panels and the like, in which during the pouring step, at least one reaction component and a mixture of the remaining components are introduced at high pressure in a pouring channel, by way of two injection assemblies. The mixture is provided downstream of a high-pressure pump and during the pouring hold step the remaining components of the mixture are individually placed in a recirculation step, without undergoing cross-contamination.

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patent: 133 642 (1979-01-01), None
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