Method and apparatus for curving a glass sheet

Details Method and apparatus for curving a glass sheet Method and apparatus for curving a glass sheet

1987-11-19

1989-06-27

Kellogg, Arthur

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65107, 65273, 65289, C03B 23025

Patent

active

048426342

ABSTRACT:
The invention relates to a method of manufacturing a curved automobile glass pane. The glass sheet heated in a continuous roller conveyor furnace to bending temperature, is picked up by a traveling suction device and transported to a curving station adjoining the furnace. In the curving station the glass sheet is deposited onto a curving device which is comprised of a curving-form frame and a curving form which form occupies the interior space of the frame. The suction device is withdrawn, and a hot gas stream is applied from above, which stream impinges on the glass sheet, whereby said sheet is forced against the curving device comprised of the curving-form frame and interior curving form. Then the glass sheet is lifted from the interior curving from by means of the curving-form frame which frame now serves as a support ring, and sheet is transported to the neighboring cooling station.

REFERENCES:
patent: 3309190 (1967-03-01), Belentepe et al.
patent: 3573889 (1971-04-01), McMaster et al.
patent: 4204854 (1980-05-01), McMaster et al.

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