Mold for press-molding glass elements

Details Mold for press-molding glass elements Mold for press-molding glass elements

1985-12-10

1988-01-26

Lindsay, Robert L.

Glass manufacturing

Apparatus made of special material

Metal-nonmetal composite

65122, 65 26, 249114R, 249116, 249134, 425 77, 425DIG26, C03B 518

Patent

active

047215186

ABSTRACT:
A mold for press-molding glass elements comprising a base member made of a super hard alloy or a cermet; at least one intermediate layer made of a nitride, a carbide, an oxide or a metal, provided on the base member; and a noble metal layer provided on the intermediate layer for forming a mold surface. An active metal contained in the base member is prevented from diffusing to the mold surface by the presence of the intermediate layer.

REFERENCES:
patent: 1466640 (1923-08-01), Coleman
patent: 1868863 (1932-07-01), Watson et al.
patent: 2947114 (1960-08-01), Hill
patent: 3397976 (1968-08-01), Hynd
patent: 3436203 (1969-04-01), Wu
patent: 3736109 (1973-05-01), Darling et al.
patent: 3932085 (1976-01-01), Horback
patent: 4139677 (1979-02-01), Blair et al.

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