EP 0731252 B1 20030625 - Boring ram for the destructive replacement of a buried pipe
Title (en)
Boring ram for the destructive replacement of a buried pipe
Title (de)
Rammbohrgerät zum zerstörenden Ersetzen erdverlegter Rohrleitungen
Title (fr)
Mouton de forage pour le remplacement par destruction d'une conduite enterrée
Publication
Application
Priority
DE 19508450 A 19950309
Abstract (en)
[origin: EP0731252A2] The drill has a conical point, a breaker head (6) fitted on the point, a pull cable engaging with the point, and a cable cover in the form of an elastic sleeve. The point has an axial opening (3) for a pull cable adaptor (11-13) and a transverse opening for the fastening pin (5) of the adaptor. The adaptor consists of a pull rod (11) with an eye (12) for the fastening pin and a lug on the rod free end protruding out of the head.
IPC 1-7
IPC 8 full level
E21B 7/30 (2006.01); E21B 29/00 (2006.01); E21D 9/06 (2006.01); F16L 1/024 (2006.01)
CPC (source: EP US)
E21B 7/30 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 0731252 A2 19960911; EP 0731252 A3 19971119; EP 0731252 B1 20030625; DE 19508450 A1 19960912; DE 19508450 C2 19970313; DE 59610547 D1 20030731; JP 2727314 B2 19980311; JP H09184579 A 19970715; US 5876152 A 19990302
DOCDB simple family (application)
EP 96103364 A 19960305; DE 19508450 A 19950309; DE 59610547 T 19960305; JP 8198796 A 19960311; US 61255996 A 19960308