Plastic article or earthenware shaping or treating: apparatus – Means for molding powdered metal
Patent
1997-05-21
1998-08-25
Ryan, Patrick
Plastic article or earthenware shaping or treating: apparatus
Means for molding powdered metal
4254052, 425DIG26, 425DIG47, B29C 4310
Patent
active
057981264
ABSTRACT:
A sealing device for preventing leakage of pressure in pressure-processing a workpiece to be processed under isostatic pressure in a high pressure vessel, includes a ring member fitted to the opening/closing end of the vessel. When a cover is closed, an axial seal ring and a plane seal ring are mounted, with the plane seal ring adhered to the cover.
REFERENCES:
patent: 3091804 (1963-06-01), Gerard et al.
patent: 3224042 (1965-12-01), Meissner
patent: 3933418 (1976-01-01), Elmgren
patent: 4471949 (1984-09-01), Ishii
patent: 4756680 (1988-07-01), Ishii
patent: 5057171 (1991-10-01), Horner et al.
Fujikawa Takao
Nakai Noriaki
Kabushiki Kaisha Kobe Seiko Sho
Leyson Joseph
Ryan Patrick
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