Adapter for air purifying filter
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United States of America Patent
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N/A
Issued Date -
Mar 6, 2008
app pub date -
Aug 29, 2007
filing date -
Aug 29, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An adapter for use with a gas filter canister worn by a user as part of a breathing apparatus. The adapter is constructed of a semi-rigid plastic that has a plurality of scalloped or castellated edges. The scalloped or castellated edges allow the adapter to snap-fit over the top of the canister. Projections or lugs on the inside of the edge of the adapter can deflect and snap over the rim of the canister. An adapter seal in the form of a large preformed packing or O-ring, is pressed between the inside of the adapter top and the outside of the canister top such that an airtight seal is formed. The adapter is capable of moving relative to the filter canister to accommodate different positions of the flexible conduit between an adapter inlet and the outlet of a self contained blower assembly.
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Family
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Cited Art Landscape
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