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Title:
TUNNELING MACHINE
Document Type and Number:
WIPO Patent Application WO/2012/058705
Kind Code:
A3
Abstract:
The invention relates to a tunneling machine comprising a base frame (2) having a chassis, and a bracket (4) which can be horizontally and vertically swiveled and is provided with a cutting device (8) that has at least one tool support (10, 11). Said tool support is rotatably mounted on the bracket (4) and can be driven so as to rotate and carries a plurality of cutting tools (12) on its circumference. The cutting device (8) comprises at least two parallel disk-shaped tool supports (10, 11) which are rotatably mounted on an end section (13) of the bracket (4) that is located between the tool supports (10, 11) and is at least partially disk-shaped.

Inventors:
MEIER MANFRED (AT)
WELS FRANZ (AT)
LERCHBAUM KARL (AT)
RESTNER UWE (AT)
EBNER BERNHARD (AT)
KARGL HUBERT (AT)
GRIEF RALF (AT)
Application Number:
PCT/AT2011/000446
Publication Date:
May 30, 2013
Filing Date:
November 03, 2011
Export Citation:
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Assignee:
SANDVIK MINING & CONSTR OY (AT)
MEIER MANFRED (AT)
WELS FRANZ (AT)
LERCHBAUM KARL (AT)
RESTNER UWE (AT)
EBNER BERNHARD (AT)
KARGL HUBERT (AT)
GRIEF RALF (AT)
International Classes:
E21C25/16; E21C25/18; E21D9/11
Domestic Patent References:
WO2009100469A12009-08-20
Foreign References:
US4230372A1980-10-28
US5035071A1991-07-30
US4548442A1985-10-22
DE3316840A11984-11-08
AT506501A12009-09-15
Attorney, Agent or Firm:
KESCHMANN, Marc (Patentanwälte OGSchottengasse 30, Wien, AT)
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