Permanent anti-adherent coating for glassmaking moulds and assoc

Details Permanent anti-adherent coating for glassmaking moulds and assoc Permanent anti-adherent coating for glassmaking moulds and assoc

1987-12-23

1989-02-21

Kellogg, Arthur

Glass manufacturing

With apparatus lubricating means

65 26, 65169, 6537412, C03B 930, C03B 1106

Patent

active

048061395

ABSTRACT:
In the production of moulded glass articles, difficulty arises from the risks of adhesion of the glass to the surfaces of the mould, which is made unserviceable, at least for a time. A permanent anti-adherent coating for glassmaking moulds is provided on the mould cavity surfaces, by a metal layer comprising a molybdenum alloy containing 30 to 55% Mo and less than 4% iron. The metal layer may also contain nickel and chromium in significant quantities.

REFERENCES:
patent: 2201049 (1940-05-01), Moore
patent: 2212984 (1940-08-01), Greed
patent: 3994703 (1976-11-01), Newing, Jr. et al.
patent: 4003867 (1977-01-01), Cooper et al.
Pleskach et al. "Experience with Electric-Spark Alloying to Increase the r Resistance of Glass Molds", Glass and Ceramics, vol. 37, Nos. 1,2, Jan.-Feb. 1980, pp. 81, 82.
Yoshio et al. "Adherence of Glass to Metal at Elevated Temperature", Asahi Garasu Kenhyu Hokoku, No. 15, 1965, pp. 103-112.

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