Glass sheet bending apparatus

Details Glass sheet bending apparatus Glass sheet bending apparatus

1988-07-07

1989-09-12

Kellogg, Arthur

Glass manufacturing

Glassworking or preform by or with reheating means

Planar sheet preform

65104, 65106, 65289, 65290, C03B 2302

Patent

active

048656380

ABSTRACT:
A glass sheet bending apparatus which includes a transferring mechanism for transferring to the heating furnace a glass sheet heated to a temperature capable of processing while keeping a horizontal posture, a mold having a curved surface with which the glass sheet is to be bend-shaped, the mold being arranged at a position corresponding to the processing stage, a provisional shaping mechanism for provisionally shaping the glass sheet by closely contacting it on a generally curved surface in the mold excluding a deep-bending surface which corresponds to a deep-bent portion in the glass sheet, and a blow-bending device for blowing compressed air to the deep-bending surface of the mold to bend part of the glass sheet so as to correspond to the deep-bending surface.

REFERENCES:
patent: 4204854 (1980-05-01), McMaster et al.
patent: 4222763 (1980-09-01), McMaster
patent: 4386952 (1983-06-01), Nitschke
patent: 4661141 (1987-04-01), Nitschke et al.
patent: 4682997 (1987-07-01), Halberschmidt et al.

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