Molds used for blowing glass articles

Details Molds used for blowing glass articles Molds used for blowing glass articles

1985-06-17

1986-01-28

Kellogg, Arthur

Glass manufacturing

Press molding machine

With means for heating or cooling apparatus

65306, 65356, 6537412, C03B 9347

Patent

active

045668957

ABSTRACT:
In order to form a steam cushion between a glass and a metal mold during operation blowing the glass in the mold, the mold is provided with a large number of small holes mechanically-formed in and distributed over the inner surface of the mold for retaining water therein. Since the metallic inner surface of the mold is directly exposed to the molding cavity of the mold, the mold is not substantially subjected to abrasion and burning during the blowing operation so that the working life of the mold is extended.

REFERENCES:
patent: 4067711 (1978-01-01), Jones

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