Molding method

Glass manufacturing – Processes – Devitrifying glass or vitrifying crystalline glass

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Details

65 66, 6537413, 249134, 501 10, C03B 1902, C03C 104

Patent

active

047817445

ABSTRACT:
A mold capable of imparting uniform transparency to the calcium phosphate type crystallized glass, in which crystals of calcium metaphosphate are present at the shaping surface of the mold which comes into contact with the material to be shaped.

REFERENCES:
patent: 2072212 (1937-03-01), Moosdorf
patent: 3379541 (1968-04-01), Tuvell
patent: 4360625 (1982-11-01), Griffith
patent: 4366253 (1982-12-01), Yagi
patent: 4417912 (1983-11-01), Abe
patent: 4445565 (1984-05-01), Seeney
patent: 4617279 (1986-10-01), Manabe
patent: 4662924 (1987-05-01), Kobayashi
patent: 4681633 (1987-07-01), Watanabe
Webster's New Collegiate Dictionary; G & C Merriam Co., 1960, p. 541.

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