Glass-shaping mold and method for manufacturing the same

Glass manufacturing – Apparatus made of special material

Reexamination Certificate

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C065S374120, C065S024000, C065S026000, C148S095000

Reexamination Certificate

active

07966845

ABSTRACT:
A glass-shaping mold includes a steel base member, and a crystallized, machined layer, an intermediate layer and a mold-releasing layer which are sequentially formed on the base member. The machined layer is a layer of nickel alloy containing phosphorus. The intermediate layer is a layer formed of chromium, nickel, copper or cobalt. Alternatively, the intermediate layer is a layer of an alloy layer containing at least one of these elements. The mold-releasing layer is a layer of an alloy containing iridium and rhenium.

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