Film image removal process and apparatus

Details Film image removal process and apparatus Film image removal process and apparatus

1978-07-20

1980-05-06

Smith, Gary L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

15 77, 15102, 51273, 51277, 51281R, B24B 702

Patent

active

042010152

ABSTRACT:
Apparatus and a method for removing images which are disposed on a surface of a film section, such as a microfiche card. The apparatus comprises a housing in which a motor-driven, rotary abrasive wheel is disposed. A carrier tray is provided to support the film section to be treated and is arranged to carry the film section into the housing under the wheel so that the rotating wheel scrapes the surface of the film, thereby removing the image. A fan and filter means are provided in the housing to trap the particles produced during the image removal operation, to thereby preclude the egress of such particles to the ambient atmosphere.

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patent: 2070944 (1937-02-01), Hillix
patent: 2384414 (1945-09-01), Antrim
patent: 2639254 (1953-05-01), Smith
patent: 2814171 (1957-11-01), Bogart
patent: 3220131 (1965-11-01), Dieck
patent: 3271909 (1966-09-01), Rutt et al.
patent: 3435566 (1969-04-01), Enserink
patent: 3611643 (1971-10-01), Crane et al.
patent: 3840000 (1974-10-01), Bible
patent: 3862517 (1975-01-01), Porter

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