Method and device for curving sheets of glass

Details Method and device for curving sheets of glass Method and device for curving sheets of glass

1988-05-09

1989-08-22

Kellogg, Arthur

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65106, 65107, 65273, 65287, 65289, C03B 23035

Patent

active

048592250

ABSTRACT:
A method and installations for curving sheets of glass. The sheets of glass (9) are heated to the curving temperature in a horizontal position in a continuous furnace (1) and are pressed in a curving station (4) which is adjacent to the continuous furnace (1) by means of an annular frame against a solid surface curving form (40). During the pressing between the annular frame and the solid surface curving form (40), the sheets of glass (9) are pressed against said solid surface curving form (40), in the area located inside the annular frame, by the static pressure of a hot gas under pressure, with the static pressure of the gas being produced in a chamber (32) whose upper surface (33) is defined by the annular frame and is closed by the sheet of glass (9) applied in a sealed manner against said annular frame.

REFERENCES:
patent: 2123552 (1938-07-01), Helwig
patent: 2665524 (1954-01-01), Brown
patent: 4092141 (1978-05-01), Frank
patent: 4204854 (1980-05-01), McMaster et al.

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