Process and apparatus for bending and tempering glass sheets, es

Details Process and apparatus for bending and tempering glass sheets, es Process and apparatus for bending and tempering glass sheets, es

1980-12-01

1982-07-13

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65106, 65273, 65349, 65351, C03B 23023, C03B 2700

Patent

active

043392598

ABSTRACT:
Bending and tempering of a glass sheet is achieved in that the glass sheet is submitted to the tempering phase while still being placed, as in the forming phase, on a forming ring integral with a frame which holds the latter, in order to maintain the previously formed shape unaltered. Vertical upward and downward movement is achieved both in the forming zone and in the glass sheet discharge zone by means of a rotating coupling device which supports the frame with forming ring and the glass sheet placed thereupon. Means are provided for conveying the frame with integral forming ring in the horizontal direction from the forming zone to the subsequent tempering and discharge zones, and other overlying similar means are provided to return the frame and forming ring from the discharge zone to the forming zone. A passageway or chamber is formed in the upper nozzle section of the tempering zone, through which may pass the frame and forming ring, as well as their horizontal driving members during the return traverse.

REFERENCES:
patent: 3294516 (1966-12-01), Carson et al.
patent: 3338695 (1967-08-01), Ritter, Jr.
patent: 3573889 (1971-04-01), McMaster et al.
patent: 3607200 (1971-09-01), McMaster
patent: 3684473 (1972-08-01), Ritter, Jr.
patent: 3734706 (1973-05-01), Ritter, Jr.
patent: 3846104 (1974-11-01), Seymour
patent: 3846106 (1974-11-01), Seymour
patent: 4092141 (1978-05-01), Frank et al.
patent: 4204853 (1980-05-01), Seymour

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