Method of and apparatus for bending relatively thin glass sheets

Details Method of and apparatus for bending relatively thin glass sheets Method of and apparatus for bending relatively thin glass sheets

1975-06-23

1977-08-23

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65273, 65227, C03B 2700

Patent

active

040437825

ABSTRACT:
A method of and apparatus for bending and tempering a relatively thin glass sheet comprising heating the glass sheet to its softening point in a heating chamber, rapidly conveying the sheet from the heating chamber to and between a pair of mold press members for immediate press shaping therebetween, and then quickly chilling the sheets below the annealing temperature range of the glass in a two-stage operation by applying a cooling medium successively under relatively high and low pressures to the opposite surfaces of the sheet.

REFERENCES:
patent: 3265484 (1966-08-01), Ritter, Jr.
patent: 3595725 (1971-07-01), Coen
patent: 3734706 (1973-05-01), Ritter, Jr.

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