Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for other than internal combustion engine – or...
Reexamination Certificate
2005-07-26
2005-07-26
Peavey, Enoch (Department: 3676)
Seal for a joint or juncture
Seal between fixed parts or static contact against...
Contact seal for other than internal combustion engine, or...
C277S628000, C222S081000, C222S083000, C206S219000, C206S221000
Reexamination Certificate
active
06921087
ABSTRACT:
A cap has a plug portion, a seal plug and a sleeve. At the plug portion a side and a cylindrical wall project from a top board. An inner circumferential surface of the side wall fits on an outer circumferential surface of an opening portion of a vessel and covers the opening portion with the top board. The cylindrical wall forms a receiving chamber having an opening mouth at its under end face. The seal plug seals the opening mouth. The sleeve is loosely fitted on the cylindrical wall and opens the opening mouth by separating the seal plug from the cylindrical wall at relative movement of the cap. A sepal portion on the outer circumference of the sleeve is larger than inner diameter of the opening portion at its outer diameter and has flexibility to pass the inner diameter bending so as to avoid backward moving.
REFERENCES:
patent: 5950819 (1999-09-01), Sellars
patent: 6003728 (1999-12-01), Elliott
patent: 44-12957 (1969-05-01), None
patent: 50-18844 (1975-06-01), None
patent: 50-18846 (1975-06-01), None
patent: 50-18847 (1975-06-01), None
patent: 50-18848 (1975-06-01), None
patent: 8-91418 (1996-04-01), None
Takahashi Masashi
Yoshiwara Tetsuo
Koda & Androlia
Nippon Tansan Gas Co., Ltd.
Peavey Enoch
LandOfFree
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