Corning Glass Works

Edwin J Simonson

Roger A Allaire

William F Pardue, Jr

This invention is directed to a method for thermal pressing a glass-impregnated preform to create a composite body with a glass or glass-ceramic matrix. The method involves contacting the preform during pressing with members prepared from a material exhibiting significant impedance to heat flow in order to delay cooling of the preform during consolidation. The preferred preform consists of a stack of glass-impregnated plies having ceramic fibers and/or whiskers entrained therein.

Method of forming reinforced glass composites

In the thermal cycles utilized for frit sealing glass members together for forming a glass housing and for baking-out such housing, shielding means are provided to protect and shield those portions of the glass members having multiple surfaces which would otherwise be exposed to excess thermal energy, from such thermal energy so as to inhibit the formation of detrimental thermal gradients within the housing structure.

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Bath, NY, United States of America

Edwin J Simonson