Receptacles – Closures – Having inflatable gasket or packing
Patent
1977-03-03
1978-08-15
Price, William
Receptacles
Closures
Having inflatable gasket or packing
220315, 220344, B65D 5300, B65D 4500
Patent
active
041066618
ABSTRACT:
An apparatus for sealing a pressurized vessel comprising a hemispherical ped door with an outer rigid surface, an insulating material, an inner rigid material with a flange affixed thereto, and a supporting member for use in combination with lock and hinge mechanisms, the flange on the door cooperating with an inflatable seal that is seated within a groove positioned on the inside surface of the mouth of the vessel.
REFERENCES:
patent: 658588 (1900-09-01), Reynolds et al.
patent: 2559564 (1951-07-01), Sperling
patent: 2818992 (1958-01-01), Ekola
patent: 2942753 (1960-06-01), Kelton
patent: 3223276 (1965-12-01), Gebhardt et al.
patent: 3458083 (1969-07-01), Erwin, Jr.
Agovino Frank R.
Gapcynski William G.
Neureither Lawrence A.
Pollard Steven M.
Price William
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