Closure for a vessel

Details Closure for a vessel Closure for a vessel

2007-06-01

2011-11-08

Stashick, Anthony (Department: 3781)

Receptacles

Closures

Removable closure guided in rotary movement

C220S813000, C220S378000, C277S628000

Reexamination Certificate

active

08052006

ABSTRACT:
A closure10is provided for retaining fluid pressure within a vessel, and comprises a hub12having an access opening to the vessel, with the hub having a circumferential stop17and one or more recesses50each extending radially outward from an adjacent inner surface26of the hub. A door22is positioned between the stop surface and the vessel, and a latch member30brings the door into sealing engagement with the stop member. One or more lugs24each extend radially outward from an exterior surface of the door, such that a respective lug engages the hub about a respective recess to seal the door to the hub, while the door may be moved to pass through the one or more recesses and out of the hub.

REFERENCES:
patent: 2627361 (1953-02-01), Zerbe
patent: 2721094 (1955-10-01), Webster
patent: 2883084 (1959-04-01), Shankland
patent: 3107810 (1963-10-01), King
patent: 3449860 (1969-06-01), Fontenot et al.
patent: 3531011 (1970-09-01), Wolfe
patent: 3667649 (1972-06-01), Thillet
patent: 3765562 (1973-10-01), Shulz
patent: 3804288 (1974-04-01), Piegza
patent: 4140240 (1979-02-01), Platts
patent: 4519519 (1985-05-01), Meuschke et al.
patent: 5148938 (1992-09-01), Morgan, Jr.
patent: 6439415 (2002-08-01), Salim et al.
patent: 7036674 (2006-05-01), McGuire
patent: 7051897 (2006-05-01), McGuire

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