Sealing device for openings of a container which can be loaded w

Details Sealing device for openings of a container which can be loaded w Sealing device for openings of a container which can be loaded w

1977-12-20

1979-07-31

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

13763019, 222450, 251DIG1, F16J 1556

Patent

active

041627954

ABSTRACT:
A sealing device for an opening in the wall of a container which is loaded with or emptied of fluid loose material, viscous deposits, sludges or the like and which after the loading or the emptying is sealed tightly and has a sealing element which is brought into sealing abutment to a sealing seat, secured to the wall, by means of its sealing surface. The sealing element has a sealing surface which is brought into linear sealing abutment with the sealing seat. Above this line of sealing abutment, a casing having a diameter smaller than that of the sealing abutment line is supported on the sealing surface of the sealing element during the first part of the opening operation and is free of engagement therewith in the following movement. A guide device is provided for the charge, by means of which it can be guided onto the area of the sealing element, which is enclosed by the casing, resting on the sealing surface of the sealing element to thereby protect the sealing seat from engagement with the material during the opening andclosing movement of the sealing element.

REFERENCES:
patent: 2659568 (1953-11-01), Groue et al.
patent: 2903310 (1959-09-01), Hill
patent: 3058498 (1962-10-01), Vogt
patent: 3474630 (1969-10-01), Pogonowski
patent: 3998686 (1976-12-01), Meiling et al.

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