Respirator Mask and Filter Unit Therefore
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Sep 18, 2014
app pub date -
Mar 12, 2013
filing date -
Mar 12, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A filter unit for a respirator mask, including: a body having an air inlet portion, an air outlet portion, and a connector for attaching the filter unit to a portion of the respirator mask; a filter member for filtering the incoming air; and a sealing arrangement having a frame at least partially surrounding a pressure arrangement configured to be urged towards and into contact with a contact portion of the body, such that the passage of air is substantially prevented from passing through at least one of the at least one air inlet portion and the at least one air outlet portion, wherein the pressure arrangement includes a flexible portion to facilitate the urging of the pressure arrangement towards the portion of the body.
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