Apparatus for use in trimming of molded records

Details Apparatus for use in trimming of molded records Apparatus for use in trimming of molded records

1983-10-24

1985-08-13

Envall, Jr., Roy N.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219369, 425810, H05B 100, F24H 304, B29C 1712

Patent

active

045352240

ABSTRACT:
An apparatus is disclosed for use in trimming of flash from molded thermoplastic records. The records which are advantageously trimmed using the apparatus of this invention have the flash secured to the outer diameter of the molded record with a web having a thickness which is substantially less than the thickness of the molded record and the principal portion of the flash. The apparatus of this invention has a turntable for holding the record during trimming and a manifold means for directing a heated gas over the web so as to selectively heat and soften the web thereby facilitating the trimming of the flash and final finishing of the outer diameter of the record.

REFERENCES:
patent: 2475910 (1949-07-01), Morrison
patent: 2630519 (1953-03-01), Gard
patent: 3702749 (1972-11-01), Flusfeder
patent: 3873029 (1975-03-01), Mihaly
patent: 3941547 (1976-03-01), Hunyar
patent: 4287673 (1981-09-01), Wolter

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