Title:
EXPANDABLE FACE MASK WITH REINFORCING NETTING
Document Type and Number:
WIPO Patent Application WO/2010/080243
Kind Code:
A3
Abstract:
Herein are disclosed face masks that are provided in a generally flat configuration and are capable of being expanded to a cup-shaped configuration. Such masks comprise at least one porous layer that comprises at least one pleat and that is capable of being expanded by at least partially unfolding the at least one pleat. The mask further comprises reinforcing netting laminated to the outer surface of the porous layer.
Inventors:
DUFFY DEAN R (US)
Application Number:
PCT/US2009/066306
Publication Date:
September 02, 2010
Filing Date:
December 02, 2009
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
A62B18/02; B32B5/22
Foreign References:
| JP2003275332A | 2003-09-30 | |||
| JPH10258065A | 1998-09-29 | |||
| KR200370341Y1 | 2004-12-17 | |||
| EP0137094A2 | 1985-04-17 |
Other References:
See also references of EP 2370183A4
Attorney, Agent or Firm:
WOOD, Kenneth B. et al. (Office of Intellectual Property CounselPost Office Box 3342, Saint Paul Minnesota, US)
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