Invention Grant
- Patent Title: Mine refuge
- Patent Title (中): 我的避难所
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Application No.: US12106705Application Date: 2008-04-21
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Publication No.: US08007047B2Publication Date: 2011-08-30
- Inventor: William R. Kennedy , John M. Kennedy
- Applicant: William R. Kennedy , John M. Kennedy
- Applicant Address: US IL Taylorville
- Assignee: Kennedy Metal Products & Buildings, Inc.
- Current Assignee: Kennedy Metal Products & Buildings, Inc.
- Current Assignee Address: US IL Taylorville
- Agency: Senniger Powers LLP
- Main IPC: E21F11/00
- IPC: E21F11/00

Abstract:
A mine refuge for use in a mine includes a chamber having an interior space sized and shaped for occupancy by at least one person. An oxygen supply is installed in the chamber for supplying oxygen to the chamber. A mask is operatively connected to the oxygen supply and is adapted for donning by the person to supply oxygen to the person. In some embodiments, an air supply in addition to the oxygen supply is provided.
Public/Granted literature
- US20080196329A1 Mine Refuge Public/Granted day:2008-08-21
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