Apparatus for the flexibilization of synthetic resinous foam

Details Apparatus for the flexibilization of synthetic resinous foam Apparatus for the flexibilization of synthetic resinous foam

1982-01-22

1985-03-19

Anderson, Philip E.

Plastic article or earthenware shaping or treating: apparatus

Three or more endless surfaces cooperating to define a...

100144, 100151, 264321, 264DIG4, 271 69, 271198, 425817C, B29D 2700

Patent

active

045056625

ABSTRACT:
Rigid plastic foam is flexibilized in an apparatus utilizing four sets of foam gripping belts. A first and second set of opposed belts traveling at a given speed forward the foam into the apparatus to a second and third set of opposed belts traveling at a slower speed than the first and second set of belts. The first and third and the second and fourth sets of belts are interdigitated in a region of foam crush.

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patent: 4252517 (1981-02-01), Milford et al.
patent: 4273034 (1981-06-01), Molitorisz

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