A flaccid mask with straps and a supporting element that force the mask into sealing engagement with the wearer's face in response to force exerted by the straps on the supporting element
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United States of America Patent
Stats
-
Oct 11, 1994
Grant Date -
N/A
app pub date -
Nov 16, 1992
filing date -
Nov 21, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A half mask (1) with a connection opening (13) for a filter (12), with a flexible half mask body (2) with a sealing edge (3) and with a solid filter holder (10) surrounding the half mask body. A strap (16) is connected to the filter holder. Wear comfort and tightness of fit are provided by the half mask body (2) having a supporting structure (17, 19, 21), which extends over at least a certain section and which is brought into engagement with the front sides (18, 20, 22) of the filter holder (10) pointing toward the sealing edge (3) by the strap (16), when the half mask (1) has been put on, in such a manner that the sealing edge (3) is supported.
First Claim
Family
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Cited Art Landscape
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