Mine ventilation system and elements thereof

Details Mine ventilation system and elements thereof Mine ventilation system and elements thereof

1977-07-05

1979-11-27

O'Dea, William F.

Flexible or portable closure, partition, or panel

Fabric fastening means

To elongated element

160330, 299 12, 405288, E21F 114

Patent

active

041754816

ABSTRACT:
This invention relates to a ventilation system and more particularly to means for restraining a ventilation control curtain composed of a post like members formed of an elongate containers of flexible material filled with material such as mine debris which give them a degree of rigidity and mass. The post like constraining members check the horizontal displacement of the mine curtain thereby forming a stable curtain structure which may be used as an efficient gas flow director within the mine or to isolate a desired area of the mine to contain mine gas or airborn particulates. They are sufficiently yieldable to offer no collision hazzard to personnel or machinery. The envelopes forming curtain constraints are disclosed as individual elements and as integral pockets on the face of the curtain.

REFERENCES:
patent: 1298550 (1919-03-01), Newell
patent: 1398909 (1921-11-01), North
patent: 2173993 (1939-09-01), Amdur
patent: 2301047 (1942-11-01), Hendley
patent: 2687170 (1954-08-01), Johnson
patent: 2687170 (1954-08-01), Johnson
patent: 2947239 (1960-08-01), Burgess
patent: 3118363 (1964-01-01), Burgess, Jr.
patent: 3382507 (1968-05-01), Micheau
patent: 3396545 (1968-08-01), Lamberton
patent: 3636852 (1972-01-01), Burgess, Jr.
patent: 4023372 (1977-05-01), Presler et al.

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