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公开(公告)号:US20220305303A1
公开(公告)日:2022-09-29
申请号:US17610113
申请日:2020-05-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Darin K. Thompson , Judge W. Morgan, III , Jeffrey S. Vogus , Graham P. Wilson , Carl E. Tucker
Abstract: A respiratory mask and a face seal for a respiratory mask, the face seal being configured to maintain a seal against the user's face even when the user moves his/her jaws and/or cheeks. In one embodiment, a respiratory mask comprises a body and a face seal coupled to the body, and the face seal includes a sealing land configured to contact the user's face and a compressible portion extending away from the sealing land. In one embodiment, the face seal further includes a chin retainment element configured to receive at least a portion of the user's chin therein. In one embodiment, the compressible portion is transitionable between an uncompressed first condition and a compressed second condition.
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公开(公告)号:US20230381553A1
公开(公告)日:2023-11-30
申请号:US18030879
申请日:2021-10-08
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Judge W. Morgan, III , William E. Parson , Jeffrey S. Vogus
CPC classification number: A62B18/086 , A62B7/02 , A62B7/10 , A62B9/04
Abstract: A personal protective equipment (PPE), a component for an air purifying respirator (APR) and a method for coupling an air purifying respirator (APR) to a facepiece are provided. In one embodiment, the component includes an elongate tube having a proximal end and a distal end, the distal end being configured to be in fluid communication an air filter of the APR. The component also includes an adapter disposed at the proximal end of the elongate tube. The adapter is configured to releasably fluidly couple the APR to a facepiece and releasably fluidly couple a second stage regulator of a self-contained breathing apparatus (SCBA) to the facepiece.
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公开(公告)号:US20250134213A1
公开(公告)日:2025-05-01
申请号:US18913178
申请日:2024-10-11
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Abstract: The present disclosure provides a buckle for adjustably connecting a strap extending from a head harness of a respirator to a mask of the respirator. The buckle includes a main body defining a first end, a second end opposing the first end, and a longitudinal axis extending along a length of the main body from the first end to the second end. The main body includes a first body portion extending from the first end. The first body portion includes a first major surface and a second major surface opposing the first major surface. The main body further includes a second body portion and a plurality of serrations extending from the first major surface and spaced apart from each other with respect to the longitudinal axis. The buckle further includes a ring including a first ring portion and a second ring portion opposing the first ring portion.
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