Glass manufacturing – Processes – Devitrifying glass or vitrifying crystalline glass
Patent
1987-09-25
1988-11-01
Schor, Kenneth M.
Glass manufacturing
Processes
Devitrifying glass or vitrifying crystalline glass
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.
Kobayashi Shigeyoshi
Manabe Tsuneo
Osaki Yasuko
Sema Tohoru
Shigematsu Masazumi
Asahi Glass Company Ltd.
Lion Corporation
Schor Kenneth M.
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