Foamed glass manufacture

Details Foamed glass manufacture Foamed glass manufacture

1994-08-05

1996-05-14

Lacey, David L.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 173, 65 22, 264 65, 264 66, 264 41, 264 42, 264 43, 264 44, C03B 1906

Patent

active

055163513

ABSTRACT:
A foamed glass product and its manufacturer are disclosed. According to the present invention, crushed glass particles and a foaming agent, preferably selected from CaCO.sub.3 and CaSO.sub.4, are provided. The glass particles and foaming agent are mixed and heated to a desired foaming temperature for creating foamed glass. A nonreactive gas having desired insulative properties, preferably selected from SO.sub.2 and CO.sub.2 is provided to sweep air away from the mixture during heating.

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