Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1987-06-17
1990-07-31
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
422104, 422113, 422295, 422297, 422299, 215243, 215260, 215270, 215283, 215321, 220208, 220316, 220325, 220327, 220356, 220366, B01L 300
Patent
active
049449230
ABSTRACT:
An autoclave useful for pressure digestion of samples for chemical analysis, consisting of a closeable vessel containing the sample, which during operation sustains elevated temperatures and pressures. The autoclave has a PTFE (Teflon) beaker and lid, in direct contact with each other thus forming a tight seal with an excess-pressure release mechanism. The assembled vessel is held in a device that presses the sealing surfaces of the beaker and lid together, through pressure on a metallic lid support disc. The sealing surfaces of the beaker and lid are free-standing, which permits a direct release of excess-pressure and necessitates an extended clamping device for the lid support disc, which is fixed at a single point.
REFERENCES:
patent: 3483089 (1969-12-01), Brewer
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patent: 4228134 (1980-10-01), Alfio
patent: 4303615 (1981-12-01), Jarmell et al.
patent: 4335074 (1982-06-01), Bernas
patent: 4406861 (1983-09-01), Beauvais et al.
patent: 4750610 (1988-06-01), Ryder
Brumsack Hans-Jurgen
Heinrichs Hartmut
Konig Nils
Loftfield Norman
Brumsack Hans-Jurgen
Fogiel Max
Kummert Lynn M.
Loftfield Norman
Richman Barry S.
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