Support for a mirror blank

Details Support for a mirror blank Support for a mirror blank

1992-04-15

1993-07-20

Kisliuk, Bruce M.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51216R, 51236, B24B 13005

Patent

active

052282430

ABSTRACT:
A support for a glass blank, e.g. a telescope mirror blank, while a surface of the blank is being ground. The support comprises a blocking body and a plurality of spaced, flexible tubes extending in a parallel pattern over the blocking body surface. At least some of the tubes are filled with an organic material that is cured to form a rigid polymer support. A second set of tubes under air pressure from an air manifold may provide an initial support for the blank while the first set of tubes is being filled and cured.

REFERENCES:
patent: 2441108 (1948-05-01), Turner
patent: 4897966 (1990-02-01), Takahashi
patent: 4917934 (1990-04-01), Sempolinski
patent: 5118552 (1991-03-01), Sempolinski

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