Invention Grant
- Patent Title: Unitary respirator with molded thermoset elastomeric elements
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Application No.: US14573301Application Date: 2014-12-17
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Publication No.: US10065056B2Publication Date: 2018-09-04
- Inventor: Paul J. Flannigan , Johannes Hoogenraad , David P. Knivsland
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Main IPC: A62B18/02
- IPC: A62B18/02 ; A62B18/08 ; A62B18/10 ; B29C45/14 ; B29C45/16 ; A62B23/02 ; B29C65/48 ; B29D99/00 ; B29K83/00 ; B29L31/48 ; B29K81/00

Abstract:
A respiratory protection composite facepiece is disclosed and includes a polymeric rigid facepiece body portion having a first surface and a second surface and a silicone sealing facepiece element chemically bonded at least one of the first surface or the second surface. The first and second surfaces can be opposing major surfaces. A second silicone element is chemically bonded to at least one of the first surface or the second surface. Methods of making the same are also disclosed.
Public/Granted literature
- US20150128936A1 Unitary Respirator With Molded Thermoset Elastomeric Elements Public/Granted day:2015-05-14
Information query
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