DRILLING HEAD

专利名称：DRILLING HEAD发明人：LUEKEN, GISELA申请号：EP01997366.8申请日：20011122公开号：EP1353765B1公开日：20041103

摘要：A drilling head (1) is disclosed, in particular for introduction into pipelines, with arear connector piece (2) and a forward cutting body (3) of the size of the diameter,comprising cutting ribs (4), extending in the advancing direction (V), which have a convexarch and have a cutting edge (5) on both sides of the radial end thereof in the direction ofthe circumference. Conventional drilling heads can be applied only with difficulty incurved pipelines and have a tendency to damage the inner wall of the pipeline. Thedisclosed drilling head (1) has a cutting body (3) with a conical cutting head tip (7),surrounded by the back-cut tips (6) of the cutting ribs (4) which lie set back along alongitudinal axis (Y).

申请人：LUETH, UTE PETRA,LUETH UTE PETRA,LUETH, UTE PETRA

地址：DE

国籍：DE

代理机构：Fuchs Mehler Weiss & Fritzsche

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