Double link arrangement for press bending molds

Details Double link arrangement for press bending molds Double link arrangement for press bending molds

1979-08-27

1981-01-13

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65273, 65289, C03B 2303

Patent

active

042447240

ABSTRACT:
Shaping a tong-gripped glass sheet between pressing molds of complementary curvature while the glass sheet moves continuously from a furnace exit to a cooling area by moving the molds synchronously with the glass sheet and simultaneously toward and away from one another in such a manner that their relative orientation to one another is not changed during glass sheet engagement. When the mold movement is so controlled, there is less danger of twisting the tongs, which may damage the glass, the tongs and/or the molds, than when the mold orientation is changed during glass engagement.

REFERENCES:
patent: 797646 (1905-08-01), Wadsworth
patent: 2677918 (1954-05-01), Bird et al.
patent: 2680936 (1954-06-01), Grotefeld
patent: 3290133 (1966-12-01), Thomas
patent: 3476541 (1969-11-01), Ritter, Jr.
patent: 3607200 (1971-09-01), McMaster
patent: 3630706 (1971-12-01), Oelke et al.
patent: 3737297 (1973-06-01), Frank
patent: 3846104 (1974-11-01), Seymour
patent: 3905794 (1975-09-01), Revells et al.
patent: 4123245 (1978-10-01), Bates

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