APPARATUS FOR RESIN INJECTION, MINING MACHINE AND METHOD

Collaborative erosion-control method of releasing-splitting-supporting based on coal mass pressure relief and roof pre-splitting

SMART ROCK BOLT DRIVER

Equipment foundation and mine rock bolt system

CONSTRUCTION METHOD FOR ENTERING SHALLOW-BURIED MULTI-ARCH TUNNEL UNDER WATER-RICH GEOLOGICAL CONDITIONS

Bolt apparatus

Device for monitoring horizontal extrusion force of roof rock strata and method using the same

Retainer device for a rock anchor, rock anchor system and associated installation method

ZERO-GANGUE-DISCHARGE SHORT-WALL FACE PILLAR-FREE MINING METHOD

Self-drilling hybrid rock anchor

Apparatus for controllably unfolding flexible mesh for continuous miner, and continuous miner

Recyclable sand-consolidated anchor head prestressed anchor, anchorage jack and its application method

Roadway forming method by expanding excavating and filling gangue paste in thick coal seam

Yieldable Bearing Block

METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION

Extendable apparatus, drill head and method

System and method for measuring and aligning roof bolts

Clamp assembly

Anchoring Device and Method

Fractured roof 110 mining method entry-side anti-collapsed structure

Drilling and bursting heading machine

Slotted tubular anchor

Self-supporting pneumatic hammer positioner with universal joint

Method and arrangment for mounting bolts in a tunnel wall

Rotational drill bits and drilling apparatuses including the same

MOUNTING ASSEMBLY FOR A CROSS-BAR OF AUTOMATED TEMPORARY ROOF SUPPORT

Method and system of coal mine roof stabilization

Self-undercut anchor system

NON-MECHANICAL ANCHOR

Rock bolt

Expandable Bolt With Thrust Element

Mine roof bolt system

Method and system of coal mine roof stabilization

Torque Tension Breakaway Nut

METHOD FOR DRILLING HOLES IN SOIL OR ROCK MATERIAL AND FOR FIXING AN ANCHOR IN A BOREHOLE AND APPARATUS THEREFOR

Expandable Bolt with Shielded Tip

Rock bolting system, method of installing rock bolts, and flexible bolt centralizer

Drill bits, cutting elements for drill bits, and drilling apparatuses including the same

Setting tool and method for installing an anchor rod

DUST COLLECTING DEVICE FOR A ROOF TOOL

Rotational drill bits and drilling apparatuses including the same

DETACHABLE BOLT

Rock bolting system, method of installing rock bolts, and flexible bolt centralizer

Bullet anchor system

Tension cable bolt

Mine roof bolt assembly

Mesh handling apparatus and related methods

Truss shoe for use with a threaded rod

ANCHORING DEVICE

Compact Roadheader

Drill bits, cutting elements for drill bits, and drilling apparatuses including the same

Rotational drill bits and drilling apparatuses including the same

Dust collecting device for a roof tool

Expandable bolt with shielded tip

Tensionable tubular resin anchored tubular bolt and method

Method of Assessing a Multilayer Strata for Rock Bolt Installation

Crawler-type and height adjustment drilling machine for setting roof and side wall anchor bolts and anchor cables

Device for expanding and/or evacuating parts of anchors

Device for stripping sheathing on unbonded post-tensioning tendons

Anchor Bolt Hole Cleaning Device

Device for examining rotor drilled holes

Method and system for monitoring and documenting installation of rock reinforcement bolt

Controlled expansion of rock bolt

Asymmetric coordinated support device for gob side entry based on combination of flexibility and rigidity

Installation tool for a rock bolt

Self-draining rock anchor

Ground anchor device

Ground anchor

Method and system of coal mine roof stabilization