Mining device

Details Mining device Mining device

2006-08-28

2008-10-21

Kreck, John (Department: 3672)

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter shiftable horizontally

C299S077000, C299S085100

Reexamination Certificate

active

07438365

ABSTRACT:
A mining device for subsurface extraction of raw materials off rocks includes bracing means for the reversible bracing of the mining device in a hollow space, a frame, and tunneling means stationarily connected with the bracing means, whereby the frame is movable by the tunneling means in a predefined direction. A rotatable roller is arranged on the frame, at the circumference of which cutting tools and clearing devices are arranged such that a rectangular mining cross-section can be created and such that the mining device and also the frame of the mining device is movable into a mining tunnel created by these cutting tools.

REFERENCES:
patent: 475833 (1892-05-01), Wantling et al.
patent: 557745 (1896-04-01), Wolfendale et al.
patent: 1116354 (1914-11-01), Morgan
patent: 4035024 (1977-07-01), Fink et al.
patent: 4486050 (1984-12-01), Snyder
patent: 5308151 (1994-05-01), Sugden et al.
patent: 69 551 (1958-10-01), None
Search Report issued for EPO application No. 05019056.
Patent Abstract of Japan, Japanese Publication No. 03262898.

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