Process and apparatus for the production of curved sheets

Details Process and apparatus for the production of curved sheets Process and apparatus for the production of curved sheets

1994-09-26

1996-10-08

Czaja, Donald E.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65104, 65106, 65 26, 65245, C03B 23033

Patent

active

055627501

ABSTRACT:
Glass sheets which have been heated to bending temperature are bent by passing the glass sheets over a shaping bed having a substantially circular or substantially conical profile of revolution as seen in the longitudinal direction of the shaping bed. The shaping bed is composed of an assembly of revolving elements adapted for driving the glass sheets and at least one hot air cushion acting on the glass sheets in the first part of the bending zone.

REFERENCES:
patent: 3526489 (1970-09-01), McPhail
patent: 4292065 (1981-09-01), Nedelec et al.
patent: 4378988 (1983-04-01), Presta
patent: 4540426 (1985-09-01), Bocelli et al.
patent: 4820327 (1989-04-01), Letemps et al.
patent: 4853019 (1989-08-01), Blank et al.
patent: 5236487 (1993-08-01), Letemps et al.

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