Method and apparatus for deflashing molded recorded discs

Details Method and apparatus for deflashing molded recorded discs Method and apparatus for deflashing molded recorded discs

1980-07-21

1982-04-27

Hinson, Harrison L.

Metal working

Plural diverse manufacturing apparatus including means for...

Type of machine

82 47, 82101, 409132, B23B 700, B23B 100, B23C 100

Patent

active

043263259

ABSTRACT:
The flash is removed from a freshly molded recorded disc by first bringing a knife against the edge of the disc and rotating the disc about its center to remove the major portion of the flash. A rotary cutter is then brought into contact with the edge of the rotating disc to remove the remaining portion of the flash. The rotary cutter provides the disc with a smooth edge and allows an accurate control of the diameter of the disc. The cutter is mounted on a pivotal bracket which is selectively moved toward and away from the disc by means of an air cylinder and piston which is connected to the bracket.

REFERENCES:
patent: 835341 (1906-11-01), Winfree, Jr.
patent: 1685572 (1928-09-01), Onsrud
patent: 1921715 (1933-08-01), Whitney et al.
patent: 3129447 (1964-04-01), Ralphs
patent: 3134998 (1964-06-01), Kunze et al.
patent: 3477121 (1969-11-01), Martin
patent: 3971294 (1976-07-01), Devrick et al.
patent: 4140035 (1979-02-01), Pullen

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