Method and apparatus for the plastifying of synthetic resins

Details Method and apparatus for the plastifying of synthetic resins Method and apparatus for the plastifying of synthetic resins

1993-11-08

1995-06-06

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

26421123, 264349, 264DIG46, 4251748E, 425205, 425208, 425DIG13, B29B 782, B29C 4778

Patent

active

054220491

ABSTRACT:
A method of thermoplastifying a synthetic resin which is displaced by a worm in a worm housing. High-frequency energy is applied to the plastic in one or more regions along the path of the plastic in which there is no or little frictional heat generated by the interaction of the screw with the housing.

REFERENCES:
patent: 2353362 (1944-07-01), Rudd
patent: 2505602 (1950-04-01), Bertrand
patent: 3129459 (1964-04-01), Kullgren et al.
patent: 4546226 (1985-10-01), Trembley et al.
patent: 5145694 (1992-09-01), Brams

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