Method and device for forming a glass product

Details Method and device for forming a glass product Method and device for forming a glass product

1993-12-09

1996-03-12

Lacey, David L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 66, 65 68, 65305, 65308, C03B 9193, C03B 930, C03B 1100

Patent

active

054982740

ABSTRACT:
A forming method of a glass product includes the steps of successively setting female press-molds on a gob feeding stage; feeding gob to the female press-molds at the gob feeding stage at predetermined intervals; successively transferring the female press-molds fed with the gob to a press-forming stage; press-forming the gob into a glass product at the press-forming stage; and removing the press-formed glass product at a product removing stage. A plurality of the press-forming stages are provided surrounding the gob feeding stage, and wherein a plurality of closed loop molding lines are provided each of which independently performs a series of steps including the steps of press-forming the gob and removing the press-formed glass product, along with the step of successively transferring the female press-molds fed with the gob in the step of feeding the gob to the press-forming stage in each of the closed loop molding lines, and the step of successively returning the female press-molds after finishing the step of removing the press-formed glass product to the gob feeding stage from each of the closed loop molding lines.

REFERENCES:
patent: 3951636 (1976-04-01), Gunthner
patent: 5180412 (1993-01-01), Tsuchimoto et al.

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