Foam extrusion die assembly

Details Foam extrusion die assembly Foam extrusion die assembly

1978-06-14

1980-05-06

Anderson, Philip

Plastic article or earthenware shaping or treating: apparatus

Means providing a shaping orifice

264 51, 264177R, 425466, 425817C, B29F 304, B29F 308, B29D 2700

Patent

active

042015340

ABSTRACT:
A foam extrusion die of the type including a main die body having a face and two spaced, adjustable die lip members having lips defining an elongated, arcuate die orifice through which extrudate moves both laterally and axially outwardly relative to the lip members. The die includes toe and heel clamp assemblies fastened to the die body for biasing the lip members against the face for continuous sealing line contact therebetween. Choker bars secured to the die body at opposite sides of the face define the ends of the die orifice. Provision is also made for specially fabricated heating or cooling passages in the lip members proximate the die orifice.

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