Glass manufacturing – Press molding machine – With means for heating or cooling apparatus
Patent
1990-10-09
1991-10-22
Fisher, Richard V.
Glass manufacturing
Press molding machine
With means for heating or cooling apparatus
65356, 425144, C03B 1112
Patent
active
050592360
ABSTRACT:
An apparatus for cooling a blank mold in a glass receptacle forming machine which can adjust the amount of cooling air to be supplied to a blank mold. The apparatus for cooling a blank mold includes a blank mold for forming a glass receptacle, a plurality of passages for cooling air provided in the circumferential wall of the blank mold and piercing through the circumferential wall in a vertical direction. The apparatus further includes a plenum chamber provided adjacent to said passages for temporarily storing cooling air to be supplied to the passages and having at least one inner partition wall therein to define a plurality of cavities and a damper device provided in or adjacent to the plenum chamber for adjusting the amount of cooling air to be supplied to the cavities and having at least one damper, wherein opening degree of the damper is variable so as to adjust the amount of cooling air to be supplied to the passages through the cavities.
REFERENCES:
patent: 4278624 (1981-07-01), Kornylak
patent: 4388099 (1983-06-01), Hermening et al.
Fisher Richard V.
Hoffmann John
Toyo Glass Co., Ltd.
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