Glass manufacturing – Processes – Utilizing parting or lubricating layer
Patent
1991-02-19
1992-06-09
Schor, Kenneth M.
Glass manufacturing
Processes
Utilizing parting or lubricating layer
65 76, 65 79, 65169, 6537411, 6537415, 65 24, 65362, C03B 9193, C03B 1106
Patent
active
051203413
ABSTRACT:
A method for manufacturing a glass container by the steps of (a) providing a plunger with two portions, one portion having a sprayed metal coating of self-fluxing alloy and the second portion having a ceramic coating, (b) forming a lubrication carbon layer on surfaces of molds including a blank mold and a neck ring by periodically injecting flames of at least one kind of gaseous hydrocarbon having a carbon to hydrogen ratio more than 0.75, (c) supplying a gobbet of glass to the blank mold; (d) producing the parison from the gobbet of glass, using the plunger, the blank mold and the neck ring; and (e) blow-forming the parison to a glass container of a final configuration.
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Hayashi Masato
Nomura Makio
Nozawa Mitsuru
Takaba Akihiko
Hoffmann John
Ishizuka Garasu Kabushiki Kaisha
Schor Kenneth M.
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