Opening structure of fuel tank and fabricating method thereof
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United States of America Patent
Stats
-
Oct 15, 2013
Grant Date -
Sep 4, 2008
app pub date -
Feb 19, 2008
filing date -
Feb 27, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
There are provided a structure of an opening portion for integrally forming an opening portion to a fuel tank main body made of a thermoplastic synthetic resin having at least an outer layer, an inner layer and a middle layer therebetween and its fabricating method. The opening portion is constituted by a cylindrical portion and a folded portion folded in a hairpin shape. At least a portion of the folded portion includes a compression portion compressed from a direction orthogonal to an opening face and more thin-walled than other portion. An outer layer of the cylindrical portion is integrally embedded with a portion of a lid lock member made of a metal in a ring-like shape having a plurality of lock holes, an engaging claw portion of an attaching member made of a metal in a ring-like shape having the engaging claw portion engaged with the lock hole of the lid lock member is engaged with the lock hole, and a lid member for closing the opening portion is clamped by the opening portion and the attaching member.
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