EP 3320179 A1 20180516 - SHEAR AND TENSILE REINFORCEMENT FOR INFLATABLE BOLT
Title (en)
SHEAR AND TENSILE REINFORCEMENT FOR INFLATABLE BOLT
Title (de)
SCHER- UND ZUGVERSTÄRKUNG FÜR EINEN AUFBLASBAREN BOLZEN
Title (fr)
RENFORT DE CISAILLEMENT ET DE TRACTION POUR BOULON GONFLABLE
Publication
Application
Priority
- US 201562191040 P 20150710
- CA 2016050789 W 20160706
Abstract (en)
[origin: WO2017008147A1] An inflatable rock bolt including an expansion tube, a bushing arranged at each end of the expansion tube, and at least one reinforcing member arranged outside the expansion tube. The at least one reinforcing member includes at least one of a strand extending along the expansion tube or a sleeve at least partially surrounding the expansion tube. A method for reinforcing an inflatable rock bolt.
IPC 8 full level
E21D 21/00 (2006.01)
CPC (source: EP US)
E21D 21/0006 (2013.01 - US); E21D 21/0026 (2013.01 - EP US); E21D 21/004 (2013.01 - EP US); E21D 21/0046 (2013.01 - EP US); E21D 21/006 (2016.01 - EP US); E21D 21/0073 (2016.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2017008147 A1 20170119; BR 112017028280 A2 20180904; CA 2988185 A1 20170119; CL 2017003335 A1 20180420; EP 3320179 A1 20180516; EP 3320179 A4 20190313; MX 2017016281 A 20180420; PE 20180749 A1 20180427; US 2018171800 A1 20180621
DOCDB simple family (application)
CA 2016050789 W 20160706; BR 112017028280 A 20160706; CA 2988185 A 20160706; CL 2017003335 A 20171222; EP 16823582 A 20160706; MX 2017016281 A 20160706; PE 2017002739 A 20160706; US 201615579076 A 20160706