Weldring with locking arrangement for valve assembly
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United States of America Patent
Stats
-
Nov 22, 2005
Grant Date -
Mar 3, 2005
app pub date -
Aug 27, 2003
filing date -
Aug 27, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for attachment in an aperture of a fuel tank includes a cap member, a mounting portion, and a valve housing. Two or more of the cap member, the mounting portion, and the valve housing include a system of clips and catches or a system of helical threads, which attach the components together. The mounting portion may include a multi-layer laminate to reduce a fuel vapor permeation from the fuel tank. The cap member, the mounting portion, and the valve housing are attached by various steps and methods according to the invention.
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