Apparatus for grinding the back surfaces of record molding stamp

Details Apparatus for grinding the back surfaces of record molding stamp Apparatus for grinding the back surfaces of record molding stamp

1981-09-14

1984-03-13

Kazenske, E. R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

152565, 264 39, 425229, 425810, B24B 704

Patent

active

044359225

ABSTRACT:
An apparatus is disclosed for grinding the back surfaces of record molding stampers. The apparatus is comprised of a holder in which the stamper is mounted and rotated and a pressure-controlled grinder arm which is designed to engage the back surface of the stamper with an abrasive while the stamper is being rotated so as to remove surface defects.

REFERENCES:
patent: 3545138 (1970-12-01), Houston
patent: 3826045 (1974-07-01), Champayne
patent: 4266373 (1981-05-01), Bornefeld et al.

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