Individual section glass forming machine

Details Individual section glass forming machine Individual section glass forming machine

1988-02-05

1989-09-19

Lindsay, Robert L.

Glass manufacturing

Press molding machine

With means varying plunger pressure during pressing

65160, 65161, C03B 1116

Patent

active

048677787

ABSTRACT:
The displacement of one or more of the plungers in an individual section glass forming machine is monitored so that the location of the plungers, when each mold cavity has completely filled (parison formation point), can be determined. When a plunger is located at the parison formation point the feed pressure is reduced by a selectable amount.

REFERENCES:
patent: 3471281 (1969-10-01), Bittner et al.
patent: 3607194 (1971-09-01), Ayers
patent: 3953187 (1976-04-01), James
patent: 4632689 (1986-12-01), Willigen et al.
patent: 4723976 (1988-02-01), Shanaberger

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