Blowhead apparatus

Details Blowhead apparatus Blowhead apparatus

1983-03-04

1985-04-09

Smith, William F.

Glass manufacturing

Means applying pneumatic pressure inside of discrete charge

65239, 65264, C03B 936

Patent

active

045099693

ABSTRACT:
A blowhead apparatus including a blowhead arm and a blowhead body having at least one blowhead therein. The blowhead body is removably connected to the blowhead arm. The blowhead includes a retaining member, a seating member mounted on a sealed bearing, and a sealing ring having a seating surface mating with a seating surface on the seating member. A fluid system for supplying high and low pressure air includes a sealed pilot operated shuttle valve for controlling the high and low pressure air, a pilot valve for controlling the shuttle valve, and an on-off valve for the low pressure air.

REFERENCES:
patent: 2576191 (1951-11-01), Pond
patent: 3834884 (1974-09-01), Kurokawa et al.
patent: 4057412 (1977-11-01), Schaar
patent: 4137061 (1979-01-01), Mallory et al.
patent: 4339264 (1982-07-01), Dahms
patent: 4417915 (1983-11-01), Dahms

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