I.S. machine

Details I.S. machine I.S. machine

2011-07-12

2011-07-12

Daniels, Matthew J (Department: 1741)

Glass manufacturing

Blowing means with blow mold

With means heating and/or cooling apparatus

C065S357000

Reexamination Certificate

active

07975510

ABSTRACT:
An I. S. Machine is provided wherein the blow molds are closed to a slightly cracked location whereby applied cooling air can not leak into and pressurize the blow mold thereby damaging the parison during reheat. When reheat is completed, the blow molds are fully closed and the parison is transformed into a bottle by applying compressed air and/or vacuum.

REFERENCES:
patent: 1976239 (1934-10-01), Lorenz et al.
patent: 2161255 (1939-06-01), Howard
patent: 2744358 (1956-05-01), Rowe
patent: 4599099 (1986-07-01), Jones
patent: 4983203 (1991-01-01), Erb et al.
patent: 5824131 (1998-10-01), Grant et al.

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