06041782 is referenced by 63 patents and cites 37 patents.

A respiratory mask 1 has a molded, cup-shaped, shape-retaining shell 10 on the concave side of which is a layer of filter material 11 and, on the concave side of the filter material, without any intermediate shape-retaining layer, a layer of nonwoven material 12. The layer of filter material 11 and the inside layer 12 are conformed into the cup-shaped configuration of the shape-retaining shell 10. The inside layer 12 is preferably a smooth BMF material offering improved comfort to the wearer.

Title
Respiratory mask having comfortable inner cover web
Application Number
8/881348
Publication Number
6041782
Application Date
June 24, 1997
Publication Date
March 28, 2000
Inventor
Graham J Bostock
Darlington
GB
Cynthia Y Tamaki
Arden Hills
MN, US
Scott J Tuman
Woodbury
MN, US
Simon A Mortimer
Darlington
GB
James F Dyrud
New Richmond
WI, US
Tammy M Chalmers
Cottage Grove
MN, US
Seyed Abolhassan Angadjivand
Woodbury
MN, US
Agent
Karl G Hanson
Cecilia Hill
Assignee
3M Innovative Properties Company
MN, US
IPC
D04H 1/42
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