05353789 is referenced by 118 patents and cites 11 patents.

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.

Title
A flaccid mask with straps and a supporting element that force the mask into sealing engagement with the wearers face in response to force exerted by the straps on the supporting element
Application Number
7/977285
Publication Number
5353789
Application Date
November 16, 1992
Publication Date
October 11, 1994
Inventor
Joachim Schlobohm
Bad Oldesloe
DE
Agent
McGlew and Tuttle P C
Assignee
Dragerwerk
DE
IPC
A62B 19/00
A62B 18/02
A62B 18/08
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