Forming glass articles by using a spin plate

Details Forming glass articles by using a spin plate Forming glass articles by using a spin plate

1978-11-15

1980-07-01

Fisher, Richard V.

Glass manufacturing

Processes

Forming product or preform from molten glass

65127, C03B 1904

Patent

active

042104335

ABSTRACT:
A spin plate, rotatable about a central vertical axis, is positioned axially below the discharge orifice of a glass feeder to initially receive a charge of glass thereon, and the spin plate is rotated about said central axis to spin out said charge into a disc-shaped parison and the spin plate is indexed downwardly so as to receive a forming mold thereabove. The spun parison is particularly adapted to forming articles from low viscosity glasses utilizing techniques heretofore not readily available to such glasses including spinning, vacuum forming, blowing, pressing and blanking.

REFERENCES:
patent: 672717 (1901-04-01), Semple
patent: 1236937 (1917-08-01), Hough, Jr.
patent: 2001460 (1935-05-01), Haub
patent: 2015219 (1935-09-01), Gray et al.
patent: 2198705 (1940-04-01), Winder
patent: 2333076 (1943-10-01), Stewart
patent: 2572511 (1951-10-01), Palmqvist
patent: 2861394 (1958-11-01), Ruff
patent: 3130030 (1964-04-01), Watson et al.
patent: 3351449 (1967-11-01), Ambrogi
patent: 3436202 (1969-04-01), Andrysick
patent: 3818974 (1974-06-01), Eberle

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