Manufacturing method of air passage switching door

Details Manufacturing method of air passage switching door Manufacturing method of air passage switching door

2005-03-29

2005-03-29

Colaianni, Michael P. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

C264S259000, C264S275000, C264S279100, C264S328800, C264S328120

Reexamination Certificate

active

06872348

ABSTRACT:
An air passage switching system includes a switching door that is disposed rotatably in a case to open and close an air passage of the case. The switching door includes a door body, a rotation shaft provided in the door body, and a seal member made of an elastomer and adhering to an outer peripheral portion of the door body. The seal member contacts on a sealing surface of the case when the switching door closes the air passage. A plurality of recess portions are formed on the outer peripheral portion of the door body to be arranged in an outer peripheral direction. Thus, adhesion between the door body and the seal member can be strengthened.

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patent: 4764409 (1988-08-01), Freeman
patent: 5618485 (1997-04-01), Gajewski
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patent: 6641768 (2003-11-01), Ito et al.
patent: 6676397 (2004-01-01), Kato et al.

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