Title:
TUNNELING MACHINE
Document Type and Number:
WIPO Patent Application WO/2012/058701
Kind Code:
A3
Abstract:
The invention relates to a tunneling machine comprising a base frame having a chassis (13) and a cutting device (1) fastened to the base frame. Said cutting device consists of two horizontally swivable brackets (3) which are fastened on each side of the center axis of the tunneling machine (12), a tool support (5) being rotatably mounted on each bracket (3) in a bearing (8) that is rigidly mounted on the respective bracket (3), said tool support being drivable to rotate and carrying a plurality of cutting tools (9). The axis of rotation (6) of every tool support (5) is inclined with respect to the longitudinal axis (7) of the bracket (3) carrying the respective tool support (5) at an angle different from a right angle.
Inventors:
MEIER MANFRED (AT)
WELS FRANZ (AT)
LERCHBAUM KARL (AT)
RESTNER UWE (AT)
EBNER BERNHARD (AT)
KARGL HUBERT (AT)
GRIEF RALF (AT)
WELS FRANZ (AT)
LERCHBAUM KARL (AT)
RESTNER UWE (AT)
EBNER BERNHARD (AT)
KARGL HUBERT (AT)
GRIEF RALF (AT)
Application Number:
PCT/AT2011/000415
Publication Date:
May 23, 2013
Filing Date:
October 04, 2011
Export Citation:
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)
MEIER MANFRED (AT)
WELS FRANZ (AT)
LERCHBAUM KARL (AT)
RESTNER UWE (AT)
EBNER BERNHARD (AT)
KARGL HUBERT (AT)
GRIEF RALF (AT)
International Classes:
E21C27/24; E21D9/10
Foreign References:
| AT386051B | 1988-06-27 | |||
| US3341254A | 1967-09-12 | |||
| US4232905A | 1980-11-11 | |||
| US3310347A | 1967-03-21 | |||
| US5333936A | 1994-08-02 | |||
| US3663054A | 1972-05-16 |
Attorney, Agent or Firm:
HAFFNER UND KESCHMANN PATENTANWÄLTE OG (Wien, AT)
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