Method of making a hollow glass article

Details Method of making a hollow glass article Method of making a hollow glass article

1974-04-05

1976-07-06

Bashore, S. Leon

Glass manufacturing

Processes

Forming product or preform from molten glass

65 75, 65 81, 65122, 65123, 65124, 65130, 65209, 65329, C03B 900, C03B 530

Patent

active

039679470

ABSTRACT:
Molding of hollow glass articles wherein a gob flows from a feeder into a mold and forms a hollow tube as it enters the mold, and a pressure differential is applied across the tube so that the tube is shaped in the mold to form the hollow article. During application of the pressure differential, deformation of the glass between the feeder and mold, is prevented by proximately positioning of the feeder and mold.

REFERENCES:
patent: 1592299 (1926-07-01), Howard
patent: 1995276 (1935-03-01), Howard
patent: 2098186 (1937-11-01), Howard
patent: 2790994 (1957-05-01), Cardot et al.
patent: 3833700 (1974-09-01), Adomaitis

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