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EP 0379388 A3 19910313 - HOLLOW CABLE BOLT

Title (en)

HOLLOW CABLE BOLT

Publication

EP 0379388 A3 19910313 (EN)

Application

EP 90300610 A 19900122

Priority

CA 588895 A 19890123

Abstract (en)

[origin: EP0379388A2] A hollow cable bolt having a central tube (12) circumscribed by a plurality of wound wires (14). The bolt is inserted into a hole (16) and grout (22) is pumped into the bore of the tube. The grout exits the bolt and flows within the annulus formed between the hole and the bolt.

IPC 1-7

E21D 21/00

IPC 8 full level

E21D 21/00 (2006.01)

CPC (source: EP)

E21D 21/0026 (2013.01); E21D 21/006 (2016.01)

Citation (search report)

[X] DE 3434020 A1 19860327 - KLOECKNER BECORIT GMBH [DE]
[Y] US 4697960 A 19871006 - PELTO ELMER M [CA], et al
[Y] FR 2614069 A1 19881021 - DYCKERHOFF & WIDMANN AG [DE]
[X] DE 3532070 A1 19870326 - BWZ BERG IND TECH [DE]
[X] EP 0196451 A1 19861008 - DYCKERHOFF & WIDMANN AG
[A] US 4589803 A 19860520 - TOTTEN III ARTHUR B [US]

Designated contracting state (EPC)

AT BE FR GB SE

DOCDB simple family (publication)

EP 0379388 A2 19900725; EP 0379388 A3 19910313; AU 4867890 A 19900726

DOCDB simple family (application)

EP 90300610 A 19900122; AU 4867890 A 19900122