| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
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| 07/28/2005 | DE102004059943A1 Vortriebs- oder Gewinnungsmaschine mit Ankerbohr- und -setzeinrichtungen Heading or extraction machine with anchor drilling and setting devices |
| 07/27/2005 | EP1223306B1 Ground reinforcing method |
| 07/27/2005 | CN2713115Y Rotating mechanism of pneumatic jumbolter |
| 07/27/2005 | CN1644609A Use of ethylenic unsaturated isocyanate derivates for covalent binding of active hydrogene atoms in curable components |
| 07/21/2005 | US20050156460 Advance working or mining machine |
| 07/20/2005 | EP1555289A1 Use of ethylenic unsaturated isocyanate derivates for covalent binding of active hydrogene atoms in curable components |
| 07/07/2005 | WO2005008017A3 Instrumented drill head, related drilling/bolting machines, and methods |
| 06/29/2005 | EP1546508A1 Rock bolt post grouting apparatus |
| 06/23/2005 | DE10352690A1 Verwendung hydrophober Polyole als Komponente für chemische Befestigungsmassen auf Polyurethan-Basis Using hydrophobic polyols as a component for chemical polyurethane-based fastening masses |
| 06/16/2005 | US20050129466 Roadheading or mining machine with roof bolt drilling and setting devices |
| 06/16/2005 | US20050126823 Locking pin assembly for locking dog housing |
| 06/14/2005 | CA2353358C Rope of chemical anchoring adhesive |
| 06/09/2005 | US20050123360 Apparatus for ground support |
| 06/08/2005 | EP1538303A1 Arrangement for squeezing out mortar or adhesives for rock bolts in drill holes |
| 06/08/2005 | CN2703871Y Crawler-type anchoring bolt drill carriage |
| 05/31/2005 | CA2154901C Means for anchoring a rock bolt made of concrete steel in a drill hole |
| 05/26/2005 | WO2005047648A1 Lock bolt made of steel pipe |
| 05/25/2005 | EP1533470A1 Drilling and bolting head for a bolting machine |
| 05/19/2005 | WO2005045194A1 Plug member |
| 05/19/2005 | US20050103509 Drilling and bolting head for a bolting machine |
| 05/19/2005 | DE10346583A1 Tunnelling machine for deep mines or civil engineering has expanding anchorage beam transmitting recoil loads to geological strata |
| 05/18/2005 | EP1531165A1 Use of hydrophobic polyols as component for chemical fastening mortars on polyurethane basis |
| 05/18/2005 | EP1530683A1 Fixing system and method |
| 05/12/2005 | US20050097850 Method for fastening anchoring means and device suitable for this purpose |
| 05/06/2005 | WO2005047649A1 Method and device for installing a self-drilling expandable rock bolt and a self-drilling rock bolt |
| 05/06/2005 | CA2553610A1 Anchor device with an elastic expansion sleeve |
| 05/06/2005 | CA2542261A1 Method and device for installing a self-drilling expandable rock bolt and a self-drilling expandable rock bolt |
| 05/04/2005 | CN1200199C A pin timbering process and sectionalized hollow and injecting stay bolt thereof |
| 05/03/2005 | US6886645 Liquid seal for wet roof bit |
| 04/21/2005 | US20050084339 Pressing-out apparatus |
| 04/12/2005 | CA2144041C Rockbolt |
| 04/07/2005 | US20050074299 Systems and methods for the installation of earth anchors |
| 03/31/2005 | US20050067879 Combination panline and utility drilling or bolting unit |
| 03/31/2005 | DE10340394A1 Method of fastening anchoring devices such as anchoring rods or concrete ties into a fixed base such as concrete or masonry where the anchoring mortar is hardened by microwaves |
| 03/23/2005 | CN1598245A Self-propelled cable machine |
| 03/23/2005 | CN1598244A Self-propelled anchor machine |
| 03/17/2005 | DE10336043A1 Verbundanker Xings |
| 03/17/2005 | DE10334374A1 Pressurized ejection device for ejecting composition from self-drilling, chemical bonding anchor, is operationally coupled to motor that drives drilling head provided at one of anchor tube, and to free end of anchor tube |
| 03/16/2005 | CN2685573Y Whole-recovering reutilizing rockbolt and disassembling tool thereof |
| 03/16/2005 | CN2685572Y Anchor beam for rockbolt support |
| 03/16/2005 | CN1594834A Truss supporting technology for ingredient top slope deformation control |
| 03/08/2005 | US6863476 Mobile system for manufacturing and installing reinforcing members |
| 03/03/2005 | US20050047874 Bonding anchor |
| 03/02/2005 | CN2682187Y Hydraulic anchor rod anchor cable drilling machine and special integrated control valve thereof |
| 02/23/2005 | CN2680857Y Top bolt resin anchor bar |
| 02/23/2005 | CN1584293A Mechanical resin rockbolt with agitatnig and fastening mixed primary finish |
| 02/23/2005 | CN1584292A Crawler-type walking rockbolt drilling carriages |
| 02/16/2005 | CN2679365Y Cage knot reinforced anchor cable |
| 02/16/2005 | CN2679337Y Crawler monotube jetitng hydraulic jumbolter |
| 02/16/2005 | CN1580492A Combined anchor bolt |
| 02/16/2005 | CN1189643C Mine roadway steel reinforcement support anchoring method |
| 02/11/2005 | CA2439397A1 Mine roof bolt assembly |
| 02/10/2005 | US20050031419 Roof bolts for use in mines, a method for their production and method for their installation |
| 02/10/2005 | US20050029796 Carrier vehicle for drilling or rockbolting machine |
| 02/09/2005 | CN1576515A Extruder |
| 02/08/2005 | CA2371842C Resin nozzle positioner |
| 02/08/2005 | CA2323845C Turret rock bolter with stinger/centralizer |
| 02/02/2005 | CN1187515C Jacket tube for drilling and anchoring device |
| 01/27/2005 | WO2005008017A2 Instrumented drill head, related drilling/bolting machines, and methods |
| 01/27/2005 | WO2005007993A2 Systems and methods for the installation of earth anchors |
| 01/26/2005 | CN1186523C Roofbolt |
| 01/26/2005 | CN1186522C Roofbolt |
| 01/26/2005 | CN1186521C Roofbolt |
| 01/20/2005 | US20050011265 Method and apparatus for testing installation quality in a grouted anchor system |
| 01/13/2005 | US20050008438 Synthetic deformed bars and retaining walls |
| 01/12/2005 | CN1563673A Constrained inner wall treatment and method of preventing well wall from broken |
| 12/29/2004 | EP1491719A1 Carrier vehicle for a drilling or bolting machine |
| 12/29/2004 | EP1490582A1 Method of localizing a hole drilled with a rock drilling machine |
| 12/21/2004 | US6833451 Lipopolysaccharides (LPS) extracted from Escherichia coli |
| 12/15/2004 | CN1555453A Liquid seal for wet roof bit |
| 11/25/2004 | US20040231890 Rock bolts with expandable element |
| 11/24/2004 | CN2658402Y Apparatus for injecting paste |
| 11/24/2004 | CN2658401Y Expansion type anchor bolt |
| 11/18/2004 | WO2004099570A1 Controlled expansion of rock bolt |
| 11/18/2004 | WO2004099568A1 Device for rock bolting and for automized rock bolting and rock bolting |
| 11/18/2004 | CA2523278A1 Device for rock bolting and for automatized rock bolting and rock bolting method |
| 11/10/2004 | CN1544798A Shell expansion type rock bolt |
| 11/09/2004 | US6814155 Bolting rigs |
| 11/04/2004 | WO2004081332A3 Improvements in drilling apparatus |
| 11/04/2004 | US20040216870 Drilled hole closure |
| 10/28/2004 | WO2004074204A3 Method and composition for securing a member in a hole |
| 10/21/2004 | US20040206553 Attachment element |
| 10/20/2004 | EP1468167A1 Rock bolts with an expandable element |
| 10/20/2004 | CN1171965C Viscous and amine-cured chemical anchoring adhesive |
| 10/14/2004 | WO2004074634A3 Tubular mining bolt and method |
| 10/12/2004 | US6802674 Arrangement for feeding soldering material |
| 10/06/2004 | CN1535348A Connecting anchoring rod to drilling tool |
| 09/30/2004 | WO2003058003A3 Multiple synthetic deformed bars and retaining walls |
| 09/28/2004 | US6796388 Drill depth control device |
| 09/23/2004 | WO2004081332A2 Improvements in drilling apparatus |
| 09/23/2004 | US20040184872 Connecting an anchoring rod to a drilling tool |
| 09/23/2004 | CA2518820A1 Improvements in drilling apparatus |
| 09/21/2004 | US6793445 Method and apparatus for insertion of rock bolts |
| 09/16/2004 | US20040177979 Rock-bolting apparatus and method |
| 09/10/2004 | WO2004055326A8 An apparatus and method to anchor a rock bolt |
| 09/07/2004 | US6785988 Driving or mining machine |
| 09/02/2004 | WO2004074634A2 Tubular mining bolt and method |
| 09/02/2004 | WO2004074204A2 Method and composition for securing a member in a hole |
| 08/26/2004 | US20040165958 Inserter and cap |
| 08/26/2004 | DE10321175B3 Injection ground anchor, to stabilize walls in mining and tunneling, has an inner channel with at least one chamber to hold the mixed cement to be pressed out into the borehole |