Apparatus for removing warps or surface irregularities from poly

Details Apparatus for removing warps or surface irregularities from poly Apparatus for removing warps or surface irregularities from poly

1978-09-25

1980-09-30

Derrington, James H.

Plastic article or earthenware shaping or treating: apparatus

Product or preform repair or restoring means

264 36, 264107, 425 12, 425394, 425810, B29C 1700

Patent

active

042252989

ABSTRACT:
Method and apparatus for removing warps or surface irregularities from polyvinyl phonograph records by exerting forces vertically and/or laterially on a record. The apparatus includes a plurality of plate-like members which are used to engage with the lead-in lips and/or label regions on one or more records and to apply appropriate forces. The effectiveness of the method and apparatus is enhanced by the application of moderate heat from an external source.

REFERENCES:
patent: 2388127 (1945-10-01), Downing
patent: 2578457 (1951-11-01), Somers
patent: 4145169 (1979-03-01), Shows

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