Plastic article or earthenware shaping or treating: apparatus – Means to create a vacuum or apply fluid pressure within a...
Patent
1975-08-18
1977-03-22
Spicer, Jr., Robert L.
Plastic article or earthenware shaping or treating: apparatus
Means to create a vacuum or apply fluid pressure within a...
425 77, 425 78, 425DIG26, 266186, 432249, B29C 300, B22F 300
Patent
active
040133940
ABSTRACT:
The invention relates to means for establishing an equalized pressure across the insulating sheath of a hot isostatic press system. Tubes are positioned in the outer, insulation portion of the sheath to provide a substantially resistance free passage between a source of high pressure gas input to the system and the upper portions of the sheath. The invention also tends to reduce convection currents in the furnace chamber.
REFERENCES:
patent: 3419935 (1969-01-01), Pfeiler et al.
patent: 3427011 (1969-02-01), Boyer et al.
patent: 3613157 (1971-10-01), Landa et al.
patent: 3732068 (1973-05-01), Larker
patent: 3787156 (1974-01-01), Landa et al.
patent: 3900189 (1975-08-01), Elmgren et al.
Bowles Arnold G.
Witkin Donald E.
National Forge Company
Smith Charles B.
Spicer, Jr. Robert L.
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