Shaping sheets of glass or other deformable material to a compou

Details Shaping sheets of glass or other deformable material to a compou Shaping sheets of glass or other deformable material to a compou

1982-07-28

1984-02-07

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65106, 65107, 65273, 65287, C03B 23035

Patent

active

044301103

ABSTRACT:
This invention concerns shaping sheets of glass or other deformable material to compound shapes. A sheet having a desired transverse component of curvature engages the downward facing surface of a deformable vacuum mold having a lower transversely curved wall and is held thereagainst by vacuum while still hot enough to be distorted as the vacuum mold deforms to apply the longitudinal bending component to the sheet to be shaped.

REFERENCES:
patent: 4197108 (1980-04-01), Frank et al.
patent: 4272274 (1981-06-01), Frank et al.
patent: 4277276 (1981-07-01), Kellar et al.
patent: 4297118 (1981-10-01), Kellar et al.
patent: 4349375 (1982-09-01), Kellar et al.

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