发明名称 LIGHT METAL FEED BEAM FOR USE ON A DRILL RIG
摘要 <p>#CMT# #/CMT# 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. #CMT#USE : #/CMT# For rock drilling rigs. #CMT#ADVANTAGE : #/CMT# None given.</p>
申请公布号 EP1896683(A1) 申请公布日期 2008.03.12
申请号 EP20060733522 申请日期 2006.05.23
申请人 ATLAS COPCO ROCK DRILLS AB 发明人 DEUTSCH, RENE;JONSSON, DAN
分类号 E21B15/00;E21B7/02;E21B19/08 主分类号 E21B15/00
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