Flexible or portable closure – partition – or panel – Fabric fastening means – To elongated element
Patent
1985-08-07
1986-08-26
Capossela, Ronald C.
Flexible or portable closure, partition, or panel
Fabric fastening means
To elongated element
160201, 299 12, E21F 100
Patent
active
046075682
ABSTRACT:
This invention pertains to an extensible line brattice which comprises a track system and an extensible brattice frame with an attached brattice cloth cover mounted on said track system for extension into an unprotected portion of a mine passageway.
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"The Use of Brattice Cloth in Coal Mines", Reports of Investigations, Department of Commerce-Bureau of Mines, Serial No. 2873, May, 1928.
"Flame Spread Evaluation of Ventilation Cloth", Bureau of Mines Report of Investigations/1972-RI 7625.
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"Problem-Solving Uses of Equipment-a Key to Evolving Technology", USBM Develops Damage-Resistant Brattice, Engineering and Mining Journal-Sep., 1978.
"Mobile Curtain", Mining Journal--Dec. 29, 1978, p. 506.
Hill George R.
Jordan Larry C.
Capossela Ronald C.
Grace James W.
Jim Walter Resources, Inc.
Vanecek Charles W.
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