Shearing machine with roof-bolt drilling and setting devices

Details Shearing machine with roof-bolt drilling and setting devices Shearing machine with roof-bolt drilling and setting devices

1990-05-15

1991-09-24

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

With mine roof-supporting means

299 76, E21D 1904, E21D 2000

Patent

active

050509349

ABSTRACT:
A shearing machine with roof-bolt drilling and setting devices which are jointedly connected to the shearing machine and can be hydraulically braced between roof and floor of the roadway. A multiplicity of roof-bolt drilling and setting devices are connected to a common supporting frame, the supporting frame being connected to the shearing machine via guide bars running in the longitudinal direction of the machine.

REFERENCES:
patent: 4098538 (1978-07-01), Hilton
patent: 4662685 (1987-05-01), Barnthaler et al.
patent: 4740037 (1988-04-01), Eager et al.
patent: 4865390 (1989-09-01), Shrader et al.

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