Method of bending glass sheets without heating

Details Method of bending glass sheets without heating Method of bending glass sheets without heating

1977-10-25

1978-06-20

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65106, 65114, 29445, C03B 2302

Patent

active

040959686

ABSTRACT:
A method of bending various sizes and shapes of flat glass sheets or plates, wherein there is created a curved glass window assembly providing a radius of curvature along a single longitudinal plane. The method includes providing a sheet of substantially flat glass of any specified thickness and mounting the glass in a frame structure disposed along the peripheral edge of the glass, the frame structure being formed from a rigid, bendable frame member and a pliable plastic or like molding positioned between the frame member, and then applying force to the rigid frame so as to cause the frame to adapt to a curvature relative to the applied force, whereby the glass therein will assume the radius curvature formed in the attached rigid frame structure. By this method, straight or flat glass may be curved, and curved glass may be given a different radius of curvature from the free state.

REFERENCES:
patent: 2949667 (1960-08-01), Cameron et al.
patent: 3822122 (1974-07-01), Plumat et al.

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