Method of molding glass elements and element made

Details Method of molding glass elements and element made Method of molding glass elements and element made

1977-01-26

1979-02-13

Kellogg, Arthur D.

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

65 32, 65 37, 65 66, 65374R, C03B 1108

Patent

active

041396774

ABSTRACT:
A method of molding glass elements requiring no further preparatory operations such as grinding or polishing before use wherein a portion of glass is heat-softened and subjected to pressure in a mold having molding surfaces formed of silicon carbide (SiC) or silicon nitride (Si.sub.3 N.sub.4).

REFERENCES:
patent: 3244497 (1966-04-01), Copeland
patent: 3286312 (1966-11-01), Davis et al.
patent: 3833347 (1974-09-01), Angle et al.

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