Title:
穿孔装置用軽金属製送りビーム
Document Type and Number:
Japanese Patent JP5030303
Kind Code:
B2
Abstract:
The beam comprises a hollow extruded profile with a substantially rectangular cross-section and made from a lightweight metal (alloy). The beam includes at least one pair of outer guide rails and the rails in this pair are located next to each other on either the top or bottom side of the beam, at the point where the top or bottom side meets a lateral side of the beam. The rails have a substantially prism-shaped cross-section.
Inventors:
Deutsch, Rene
Yonson, Dan
Yonson, Dan
Application Number:
JP2008519229A
Publication Date:
September 19, 2012
Filing Date:
May 23, 2006
Export Citation:
Assignee:
Atlas Copco Rock Drills Activolag
International Classes:
E21B19/08; E21B7/02; E21B15/00
Domestic Patent References:
| JP11502908A | ||||
| JP60233290A | ||||
| JP7185976A |
Attorney, Agent or Firm:
Takao Hamano
Teruichi Hirai
Teruichi Hirai