Glass manufacturing – Processes – Reshaping or surface deformation of glass preform
Patent
1985-07-10
1987-07-28
Kellogg, Arthur
Glass manufacturing
Processes
Reshaping or surface deformation of glass preform
65104, 65273, 65287, C03B 2302
Patent
active
046829970
ABSTRACT:
Process and apparatus for bending glass plates in horizontal or approximately horizontal position. The invention includes processing the glass plates by means of an installation comprising a glass reheating furnace, a bending station, and a horizontal conveyor for routing the glass plates through the furnace and bending station. A curved surface is placed above the horizontal conveyor in the bending station, and a blower is adapted to deliver a hot air current to bend the glass plates by heating them and applying pressure to urge them against the curved surface to which the desired configuration has been given. Then the glass plates are gently rested on a carrying frame where they continue to be supported, only in part, by said hot air current. The invention makes possible the bending of glass plates individually or, for example, in pairs.
REFERENCES:
patent: 2223124 (1940-11-01), Owen
patent: 4204854 (1980-05-01), McMaster et al.
patent: 4368065 (1983-01-01), Frank
patent: 4386952 (1983-06-01), Nitschke
Audi Josef
Blank Kurt
Halberschmidt Friedrich
Radermacher Herbert
Reinmold Heinz-Josef
Kellogg Arthur
Saint Gobain Vitrage
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