Fluid filter apparatus for vehicle and manufacturing method thereof
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United States of America Patent
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-
N/A
Issued Date -
Aug 31, 2006
app pub date -
Dec 1, 2005
filing date -
Feb 28, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An upper half casing member is made of a resin capable of transmitting laser light while a lower half casing member is made of a resin incapable of transmitting laser light. An upper flange portion and a lower flange portion are formed at the respective casing members so as to protrude outwards of a casing from respective peripheral walls thereof. A housing concave part and an upper contact face are formed in the lower face portion of the upper flange portion. A lower contact face is formed in the upper face of the lower flange portion. Laser light is irradiated to the lower flange portion through the upper flange portion to weld the contact faces to each other and to weld an element welding face at the upper face of the lower flange portion to a peripheral part of a filter element.
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