Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for other than internal combustion engine – or...
Reexamination Certificate
2007-08-14
2007-08-14
Pickard, Alison K (Department: 3673)
Seal for a joint or juncture
Seal between fixed parts or static contact against...
Contact seal for other than internal combustion engine, or...
C277S928000, C220S203130, C220S801000, C220S371000, C215S261000, C055S385400
Reexamination Certificate
active
10163590
ABSTRACT:
A gas-permeable plug is adapted to be inserted in an insertion hole formed through a part of a casing in an inward-outward direction. The gas-permeable plug has a plug body and a permeable sheet including therein countless minute permeable pores. The plug body is injection molded from a material having rubber-like elasticity and the permeable sheet is integrally bonded to a sheet bonding portion by an anchor operation such that when the plug body is injection molded, at the sheet bonding portion, a part of a heat-melted liquid resin enters the minute permeable pores and/or the permeable gaps in irregular directions by the injection molding pressure and is solidified.
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Hara Kouichi
Tamura Tatsuya
Pickard Alison K
Tokai Kogyo Company Limited
Wenderoth , Lind & Ponack, L.L.P.
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