Belt assisted press bending

Details Belt assisted press bending Belt assisted press bending

1988-12-22

1990-02-27

Kellogg, Arthur

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65107, 65273, 65290, C03B 2303

Patent

active

049042947

ABSTRACT:
A heat softened glass sheet is conveyed directly from a heating furnace onto an advancing conveyor belt which is supported on a scissor table. The glass sheet is advanced on the belt to a position below an upper press face. The scissor table increases the sag of the belt and the corresponding curved configuration of the supported glass sheet as it lifts the glass sheet into pressing engagement with the upper press face. During pressing, the glass sheet and belt generally conform to the shaping surface of the press face.

REFERENCES:
patent: 2223124 (1940-11-01), Owen
patent: 3459521 (1969-08-01), Nedelec
patent: 3806330 (1974-04-01), Martin
patent: 4318728 (1982-03-01), Claassen
patent: 4483703 (1984-11-01), Kellar et al.
patent: 4526605 (1985-07-01), Frank et al.
patent: 4579577 (1986-04-01), Claassen
patent: 4662925 (1987-05-01), Thimons et al.
patent: 4666492 (1987-05-01), Thimons et al.
patent: 4666493 (1987-05-01), Frank et al.
patent: 4666496 (1987-05-01), Fecik et al.
patent: 4743285 (1988-05-01), McKelvey
patent: 4767437 (1988-08-01), Lampman et al.

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