EP 0014426 B1 19840801 - ROCK ANCHOR
Title (en)
ROCK ANCHOR
Publication
Application
Priority
DE 2903694 A 19790131
Abstract (en)
[origin: ES488377A1] A rock anchor assembly comprising a tensioning element adapted to be inserted into a bore hole and to be clamped therein, the outer end of which projecting from said bore hole being adapted to be tensioned against a rock wall by means of an anchor plate, the inner end of said tensioning element inserted into the bore hole being provided with a spreading jacket clinging into said bore hole and being adapted for tensioning with the inner end of the tensioning element by means of a spreading wedge upon turning a clamp nut, and wherein said clamp nut is screwed on a threaded tensioning jacket being adapted for tensioning with the outer end of said tensioning element with the aid of tensioning wedge means upon turning the clamp nut. A method of installing said rock anchor in a wall is also provided.
IPC 1-7
IPC 8 full level
E21D 20/00 (2006.01); E21D 20/02 (2006.01); E21D 21/00 (2006.01)
CPC (source: EP US)
E21D 20/02 (2013.01 - EP US); E21D 21/008 (2013.01 - EP US)
Citation (examination)
Taschenbuch für den Tunnelbau, 1978, Glückauf Verlag GmbH, Essen, Seite 380
Designated contracting state (EPC)
AT CH DE FR GB IT SE
DOCDB simple family (publication)
EP 0014426 A1 19800820; EP 0014426 B1 19840801; AR 222520 A1 19810529; AT E8809 T1 19840815; BR 8000563 A 19801014; DE 2903694 A1 19800814; DE 3068758 D1 19840906; ES 488377 A1 19801001; JP S55105098 A 19800812; US 4369003 A 19830118; ZA 80209 B 19801231
DOCDB simple family (application)
EP 80100454 A 19800129; AR 27972780 A 19800124; AT 80100454 T 19800129; BR 8000563 A 19800130; DE 2903694 A 19790131; DE 3068758 T 19800129; ES 488377 A 19800130; JP 987780 A 19800130; US 11709180 A 19800131; ZA 80209 A 19800114