Reversed pressure relief valve

Details Reversed pressure relief valve Reversed pressure relief valve

2005-03-24

2009-11-03

Hopkins, Robert A (Department: 1797)

Gas separation

Combined or convertible

Involving communication receiving or transmitting apparatus

C055S385400, C055S524000, C096S135000, C096S153000, C096S154000, C422S171000, C422S177000, C426S113000, C426S116000, C426S237000, C219S735000, C220S203100, C220S245000, C220S367100, C220S745000, C454S184000, C454S192000, C360S097020

Reexamination Certificate

active

07611557

ABSTRACT:
A reversed pressure relief valve that is used in connection with a computer hard disk drive so as to vent pressurized gases contained within the disk drive while not permitting debris to enter the drive mechanism or the valve. More specifically, the present invention is a reversed direction valve which includes at least one passageway defined by at least a lifter ring, a dry strap, a pressure sensitive adhesive (“PSA”)/body film and a filter media.

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patent: 7396391 (2008-07-01), Waida
British Search Report, Jun. 13, 2005.

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