Apparatus for supporting lenses during heat treatment

Details Apparatus for supporting lenses during heat treatment Apparatus for supporting lenses during heat treatment

1979-01-25

1980-10-14

Fisher, Richard V.

Glass manufacturing

Glassworking or preform by or with reheating means

65355, C03B 3200

Patent

active

042279100

ABSTRACT:
Apparatus for supporting a lens during heat treatment that has a heat-sinking material in contact with one side of a heat-conductive cover and the other side of the heat-conductive cover in contact with a portion of a lens being treated to produce photochromic behavior is disclosed. The portion of the lens in contact with the heat-conductive cover exhibits less photochromic activity than the portion of the lens which is not in contact with the heat-conductive cover.

REFERENCES:
patent: 1891792 (1932-12-01), Wood
patent: 4072490 (1978-02-01), Illig
patent: 4154590 (1979-05-01), Menyhart

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