Gas feed means for use in centrifugal casting devices

Details Gas feed means for use in centrifugal casting devices Gas feed means for use in centrifugal casting devices

1983-05-02

1984-08-28

Lowe, James B.

Plastic article or earthenware shaping or treating: apparatus

Including ventilating type hood or chamber encasing a...

264 21, 264 85, 264311, 425210, 425434, 425808, B28B 1700, B29D 1100, B29G 700

Patent

active

044681844

ABSTRACT:
An improved gas feed means adapted to accommodate and secure the lower end of a polymerization column for synchronous rotation therewith and adapted to supply a controlled amount of a gaseous medium, such as nitrogen, into and through the rotating polymerization column so as to purge any undesirable gas within the polymerization column that could adversely affect the quality of the objects being centrifugally casted.

REFERENCES:
patent: 2009025 (1935-07-01), Sargent et al.
patent: 2714236 (1955-08-01), Simmons
patent: 3046600 (1962-07-01), Linhorst
patent: 3107141 (1963-10-01), Crafton
patent: 3165565 (1965-01-01), Cox et al.
patent: 3290423 (1966-12-01), Hatch et al.
patent: 3408429 (1968-10-01), Wichterle
patent: 3660545 (1972-05-01), Wichterle
patent: 4153349 (1979-05-01), Wichterle
patent: 4211269 (1980-07-01), Bentz et al.
patent: 4422984 (1983-12-01), Neefe

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