Title:
SEAL STRUCTURE FOR FUEL TANK
Document Type and Number:
WIPO Patent Application WO/2015/079960
Kind Code:
A1
Abstract:
Provided is a seal structure for a fuel tank, the seal structure having a simple configuration and excellent sealing properties. A seal structure for a fuel tank includes: a cylindrical protrusion (3) connecting to the inside of a resinous tank body (2) and protruding from the tank body (2); a mouth member (7) affixed along the inner peripheral surface of the protrusion (3) and having a first cylindrical section (7a); a lid member (10) provided with a second cylindrical section (10a) which is inserted from one end into the inside of the mouth member (7) along the inner peripheral surface of the first cylindrical section (7a), a flange section (10b) which covers the other end of the second cylindrical section (10a) and which is extended to the outer peripheral side of the second cylindrical section (10a), and a third cylindrical section (10d) which extends from the outer peripheral side of the flange section (10b) in the direction of insertion of the second cylindrical section (10a); a support surface (3a) provided to either the outer peripheral side of the protrusion or the fuel tank body so as to face the direction of protrusion of the protrusion; and an annular seal member (9) which, in a state in which the lid member (10) is mounted to the mouth member (7), is supported on an annular shoulder surface (3a) and is held between the outer peripheral surface (3b) of the protrusion (3) and the inner peripheral surface (10i) of the third cylindrical section (10d).
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Inventors:
NAKAMURA KAZUHIRO (JP)
SHOJI KAZUAKI (JP)
SHOJI KAZUAKI (JP)
Application Number:
PCT/JP2014/080419
Publication Date:
June 04, 2015
Filing Date:
November 18, 2014
Export Citation:
Assignee:
YACHIYO IND CO LTD (JP)
International Classes:
F02M37/00; B60K15/04
Domestic Patent References:
WO2012018108A1 | 2012-02-09 |
Foreign References:
JP2002362609A | 2002-12-18 | |||
JP2011153603A | 2011-08-11 |
Attorney, Agent or Firm:
Takehisa Hamaguchi (JP)
HAMAGUCHI TAKAHISA (JP)
HAMAGUCHI TAKAHISA (JP)
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