Method and apparatus for bending glass sheets

Details Method and apparatus for bending glass sheets Method and apparatus for bending glass sheets

1979-12-17

1981-09-15

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65106, 65116, 65273, 65287, 65290, C03B 2303

Patent

active

042895200

ABSTRACT:
A method for bending glass sheets is provided wherein glass is heated just to the softening point in a molten salt bath, then mechanically forced around a cylindrical or conical form using a forming member which hinges to follow the glass sheet onto the form, thereby maintaining the optical characteristics of the glass sheet by avoiding exertion of force along the plane of the glass sheet.
The apparatus for use with the invention comprises a forming member which maintains contact with the part being formed at the same spot throughout the forming operation, means for supporting the part, and means for actuation.

REFERENCES:
patent: 2215041 (1940-09-01), Hostetter
patent: 2235969 (1941-03-01), White
patent: 2270470 (1942-01-01), Paddock
patent: 2395727 (1946-02-01), Devol
patent: 2846819 (1958-08-01), Baker
patent: 2850844 (1958-09-01), White

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