Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent
1984-01-09
1986-05-20
Husar, Cornelius J.
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
405303, 299 11, E21D 2000, E21D 2100
Patent
active
045898030
ABSTRACT:
An apparatus for use in installing mine roof supports includes a vehicle which carries a coil of rod material. The rod material is fed from the coil and straightened. The straightened rod material is inserted into a hole drilled in the roof of the mine. An anchor is set to hold the rod material in the hole. A mine roof support plate is pressed against the roof of the mine and a fastener is tightened against the mine roof support plate to hold it in place. The rod material is then cut to separate the length of rod in the hole from the coil.
REFERENCES:
patent: 3226934 (1966-01-01), Emery
patent: 3842610 (1974-10-01), Willis et al.
patent: 3913338 (1975-10-01), Galis
patent: 4079592 (1978-03-01), Eakin
patent: 4085492 (1978-04-01), Stange
patent: 4095431 (1978-06-01), Hannan
patent: 4289427 (1981-09-01), Rolston
patent: 4324518 (1982-04-01), Dixon
patent: 4395163 (1983-07-01), Perraud
patent: 4451179 (1984-05-01), Bauer, Jr.
Advertising brochure J. H. Fletcher & Co. entitled "Model DB-32 Low Profile, Angle Drilling Roof Bolter".
Advertising brochure J. H. Fletcher & Co. entitled "Model LTDO Low Profile, Single Head Roof Bolter".
Advertising brochure entitled "Single Boom Roof Drills" by FMC Corporation.
Article from "Coal Age" entitled Bureau Takes Lead in 1983 R&D, published in the issue dated Feb. 1983.
Undated Advertising brochure by Bendix entitled "Energy, Environment, & Technology Office"-Roof Bolt Inserter.
Advertising brochure entitled "General Purpose Straighteners" by Rockford Manufacturing Group, Roscoe, Ill. 61073.
Husar Cornelius J.
Stodola Nancy J.
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