Process for producing mold used for obtaining press molded glass

Details Process for producing mold used for obtaining press molded glass Process for producing mold used for obtaining press molded glass

1990-01-19

1991-04-16

Nguyen, Nam X.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

20429805, 264338, 427 38, 427133, 427249, B05D 306, C23C 1400

Patent

active

050080024

ABSTRACT:
The present invention relates to a process for producing a mold for glass press molding which comprises adopting, in the ion plating method to form an i-carbon film, a given hydrocarbon, given voltages, given temperature conditions, etc. According to the process, there could be obtained a mold for glass press molding, having an i-carbon film superior in adhesion to mold base, hardness, lubricity, etc. In this mold for glass press molding, the i-carbon film is less susceptible to peeling and glass releasability is good even after many times of press molding. Therefore, the mold can be used for glass press molding over a long period of time.

REFERENCES:
patent: H566 (1989-01-01), Nyaiesh et al.
patent: 3604970 (1971-09-01), Culbertson et al.
patent: 3961103 (1976-06-01), Aisenberg

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