136176 ⎘
Anchoring-bolts for roof, floor in galleries or longwall working , or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
ROCK BOLT
#2PREFABRICATED TUNNEL PRESTRESSED ANCHOR AND MANUFACTURING METHOD AND USE METHOD THEREFOR
#3ROCK BOLT
#4ROCK BOLT
#5High Capacity Rock Bolt
#6DRIVER SOCKET FOR INSTALLATION OF A GROUND REINFORCEMENT BOLT
#7Multi-stage pressure yielding and anti-impact device for anchoring support
#8DOUBLE-WEDGE ROCK BOLT
#9ANCHOR BOLT WITH ANTI PROJECTION MECHANISM
#10DEFORMABLE ANCHOR CABLE
#11Setting device and setting method for self-drilling anchor bolt
#12Multi-stage control negative Poisson self-expanding anchor apparatus
#13Drilling assembly for inserting a rock bolt
#14Rock bolt assembly comprising a sensor assembly
#15Construction method for deformable anchor cable capable of being prestressed
#16Friction stabilizer
#17Resin-grouted rock bolt assembly with an adapted sealing bush
#18Self-anchored opposite-pulling anti-impact anchor cable for sectional coal pillars and using method thereof
#19Resin-grouted rock bolt assembly with an adapted sealing bush
#20Self-drilling hybrid rock anchor
#21Adapted grout delivery sleeve
#22Grouting anchor bolt and grouting anchor cable for supporting of large deformation and constant resistance and quantitative roadway supporting method
#23Elongated connecting element for anchoring members and method for providing and installing an elongated connecting element for anchoring members
#24Mining hydraulic constant-resistance deforming and automatic pressure relieving anchor rod and working method thereof
#25End Fitting for a Cable Bolt Assembly
#26Encapsulation system and method of installing a rock bolt
#27Rock bolt
#28Recyclable sand-consolidated anchor head prestressed anchor, anchorage jack and its application method
#29Friction rock bolt
#30Rock bolt assembly with failure arrestor
#31Friction rock bolt
#32Pneumatic drill installed rock anchor
#33Friction bolt
#34Rock bolt
#35Rock anchor inflation and draining system
#36METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION
#37Groutable rock anchor assembly
#38Friction bolt
#39Grout delivery system
#40Radially expansible rock bolt
#41Anchoring Device and Method
#42End coupling for a rock bolt
#43ROCK BOLT
#44Friction bolt
#45Method and system of coal mine roof stabilization
#46Locally anchored self-drilling hollow rock bolt
#47Friction bolt
#48Friction bolt assembly
#49Yieldable rock anchor
#50ANCHORING AND ANTI-CLOGGING DRILL ROD FOR COAL MINE FLOOR
#51Connection means with shape memory
#52Expandable Bolt With Thrust Element
#53Rock anchor bolt
#54Device, method and system for loading fixatives for rock bolts
#55Expandable Bolt with Shielded Tip
#56Constant-resistance and large deformation anchor cable and constant-resistance device
#57Expandable mine bolt
#58Rock bolt
#59Rock Bolt
#60ANCHORING DEVICE
#61Fiberglass roof and rib plate
#62Rock bolt
#63Rock bolt
#64Rock Bolt and an Anchoring Device
#65Constant-resistance large-deformation anchor rod
#66Rock Bolt
#67Fully grouted mine roof bolt with expansion anchor
#68METHOD FOR THE DRILLING, IN PARTICULAR PERCUSSION OR ROTARY PERCUSSION DRILLING, OF HOLES IN SOIL OR ROCK MATERIAL AND DEVICE THEREFOR
#69SLIDING ANCHOR
#70Friction bolt
#71Yieldable cone bolt and method of manufacturing same
#72Friction Bolt Assembly
#73Expandable bolt with shielded tip
#74Sheathed cable
#75Sleeved cable bolt
#76Yielding bolt and assembly
#77Non-tensionable cable bolt apparatus and related method
#78Sliding anchor
#79METHOD AND DEVICE FOR DRILLING A HOLE IN GROUND OR ROCK MATERIAL AND FORMING A BRACE
#80Breakable rock bolt
#81Anchor with grout jacket
#82Injection bolt with a fixed static mixer
#83Sliding anchor
#84Self-drilling connection anchor
#85Self drilling rock bolt
#86Self-drilling rock anchor
#87Mine roof bolt with resin control surface
#88Bolt assembly
#89Drill bit and a single pass drilling apparatus
#90Single Pass Drilling Apparatus, Use of a One-Piece Drill Bit, Method and Rock Bolt for Single Pass Rock Bolting
#91Rock Bolt
#92Anchor device with an elastic expansion sleeve
#93Method and device for producing pretensioned anchorings
#94Yielding rock bolt
#95Rock bolting system
#96Point anchor coated mine roof bolt
#97Yielding strata bolt
#98Bonding anchor
#99Rock anchor