Fastening means for roof mats for mine workings

Details Fastening means for roof mats for mine workings Fastening means for roof mats for mine workings

1978-09-11

1981-02-17

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

411457, 411466, 206343, 405150, E21D 1100

Patent

active

042511682

ABSTRACT:
Fastening means for mechanically fastening adjacent portions of mat material for application to the undersurface of a roof of a mine working and comprising a plurality of projecting elements for penetrating the mat material and base means connecting and spacing said projecting elements in longitudinal succession.

REFERENCES:
patent: 1125477 (1915-01-01), Conn
patent: 1185231 (1916-05-01), Miller
patent: 1939631 (1933-12-01), Randall
patent: 2174708 (1939-10-01), Sears et al.
patent: 2208848 (1940-07-01), Jorgensen
patent: 2277758 (1942-03-01), Hawkins
patent: 2392159 (1946-01-01), La Place
patent: 2778266 (1957-01-01), Forrester
patent: 2996237 (1961-08-01), Hines
patent: 3618447 (1971-11-01), Goins
patent: 3841194 (1974-10-01), Moehlenpah

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