High temperature-resistant material for devices used for forming

Details High temperature-resistant material for devices used for forming High temperature-resistant material for devices used for forming

1987-06-09

1989-05-16

Schor, Kenneth M.

Glass manufacturing

Preform reshaping means

653741, 6537413, C03B 2300

Patent

active

048306550

ABSTRACT:
Inorganic material resisting to high temperatures for installations intended to form structural glass elements which, owing to the precision and the quality of the forming surface, do not require after forming any other surface treatment. The material is comprised of at least one forming surface based on at least one from the groups of a metal oxide a double metal oxide, and a crystalline solid solution. It has a monocrystalline structure. Preferred materials are Al.sub.2 O.sub.3, Cr.sub.2 O.sub.3, MgAl.sub.2 O.sub.4 and/or ZrO.sub.2.

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