Press with pressure vessel supporting cover for movement...

Details Press with pressure vessel supporting cover for movement... Press with pressure vessel supporting cover for movement...

2011-04-19

2011-04-19

Hylton, Robin (Department: 3781)

Receptacles

Closures

Having means for securing or retaining closure in its closed...

C220S378000, C220S582000, C029S426100, C100S269010

Reexamination Certificate

active

07926676

ABSTRACT:
A press comprises a pressure vessel having an internal closure. The internal closure comprises a cover and a number of elements for transmitting forces in pressurized operation between the cover and the inner wall of the pressure vessel. Each element has a first contact surface adapted to fit a contact surface of the cover and a second contact surface adapted to fit a contact surface of the inner wall of the pressure vessel. The elements are movable away from the contact surface of the cover and the contact surface of the inner wall of the pressure vessel in the direction of the longitudinal center axis of the pressure vessel. A method is provided for opening a pressure vessel.

REFERENCES:
patent: 2029606 (1936-02-01), Bredtschneider
patent: 2252488 (1941-08-01), Bierend
patent: 2821325 (1958-01-01), Chapellier et al.
patent: 2989209 (1961-06-01), Hersman
patent: 3128009 (1964-04-01), Norton
patent: 3667649 (1972-06-01), Thillet
patent: 3695482 (1972-10-01), Smith
patent: 4565297 (1986-01-01), Korner et al.
patent: 4874573 (1989-10-01), Wood et al.
patent: 5036996 (1991-08-01), Epstein
patent: 7739779 (2010-06-01), Bergman et al.

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