Receptacles – Closures – Vent in closure
Reexamination Certificate
2007-11-14
2011-10-18
Stashick, Anthony (Department: 3781)
Receptacles
Closures
Vent in closure
C220S303000, C220S212000, C220SDIG033, C220S571000
Reexamination Certificate
active
08038027
ABSTRACT:
The fuel cap includes an outer cap as an outer envelope, an inner cap removably fitted in the outer cap through an opening therein, a canister located in a space between the outer cap and the inner cap for adsorbing a vaporized fuel. The fuel cap closes a fuel filler port for feeding a fuel to a fuel tank. The canister adsorbs a vaporized fuel vaporized from the fuel in the fuel tank. At least one of the outer cap and the inner cap defines a communication hole communicating with the space and an exterior. The canister includes a housing; and an adsorbent accommodated therein. The housing defines, on an end surface directed to the inner cap, an inlet for vaporized fuel and on another end surface directed to the outer cap, an outlet for gas.
REFERENCES:
patent: 4690293 (1987-09-01), Uranishi et al.
patent: 2007/0108212 (2007-05-01), Nelson
patent: 7-34985 (1995-02-01), None
Ohsawa Hiroyasu
Sakagami Takashi
Smalley James N
Stashick Anthony
Toyo Roki Seizo Kabushiki Kaisha
Young & Thompson
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