Apparatus and process for recovering scraps of thermoplastic mat

Details Apparatus and process for recovering scraps of thermoplastic mat Apparatus and process for recovering scraps of thermoplastic mat

1978-07-10

1980-02-19

Schulz, William E.

Plastic article or earthenware shaping or treating: apparatus

With means to gather excess or rejected stock material

425225, 425363, 425374, 425378R, 264 37, 264 80, 264320, B29H 1900

Patent

active

041892917

ABSTRACT:
Device for recovering thermoplastic materials comprising a hopper and downstream of the latter a chamber of decreasing cross-section, means for feeding to said chamber the material from the hopper, means for supplying heat to the material for gradually melting the material being fed in the chamber, one or more orifices being provided downstream of the chamber for the outlet or discharge of the material.

REFERENCES:
patent: 2183196 (1939-12-01), Kohler
patent: 2249507 (1941-07-01), Van Derhoet
patent: 2892212 (1959-06-01), Rhodes
patent: 3607999 (1971-09-01), Corbett et al.
patent: 3824298 (1974-07-01), Sherer
patent: 4009235 (1977-02-01), Bober

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