Cooling vacuum holder by suction fluid flow

Details Cooling vacuum holder by suction fluid flow Cooling vacuum holder by suction fluid flow

1983-05-24

1984-11-20

Kellogg, Arthur

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65104, 65273, 294 64R, 414121, C03B 23035

Patent

active

044837011

ABSTRACT:
In the art of shaping sheets of glass and other deformable materials comprising engagement of said sheets while hot by a vacuum holder in a relatively hot atmosphere and removing the holder into a cooler atmosphere to cool the holder between successive shaping cycles, production of shaped sheets was limited by the time necessary for the holder to cool during its exposure to said cooler atmosphere to a temperature suitable for beginning a subsequent sheet shaping cycle. The present invention lessens this necessary time by drawing cold air by suction from said cooler atmosphere between successive shaping cycles, thereby increasing the maximum production rate possible.

REFERENCES:
patent: 4277276 (1981-07-01), Kellar et al.
patent: 4282026 (1981-08-01), McMaster et al.
patent: 4297118 (1981-10-01), Kellar et al.
patent: 4349375 (1982-09-01), Kellar et al.

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