• Q345R steel
  • 16Mo3 steel
  • A283GradeC steel
  • A516Grade70 steel
  • A572Grade50 steel
  • cortenA steel

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China Rock Bolt manufacturer, Mining Bolt, Split Set Bolt

Aug 13, 2013 · TONRY MINING TECHNOLOGY Co., Ltd. as the biggest and professional manufacturer of rock bolts in our country, can offer best quality of rock bolts to our customers, supporting the safety of mining and protecting the miners of lives. Multi Strand Head Plate for

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Instrumentation SMART Cable Bolt Mine Design

By combining the support capabilities of a standard 7 strand cable bolt with a miniature 6 wire extensometer, the SMART (Stretch Measurement to Assess Reinforcement Tension) Cable was born. The stretch in the cable is determined via the integrated six point extensometer, allowing the strain between the anchor points to be calculated.

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Cable bolt and method of use in supporting a rock formation

Apr 30, 1996 · A flexible multi strand steel cable of a preselected length is inserted in a bore hole drilled in a rock formation above an underground excavation. The cable includes an anchor end portion positioned Cable bolt and method of use in supporting a rock formation One example of a drive head on the end of a cable bolt is disclosed in U.S

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Cable bolt head Jenmar Corporation Free Patents Online

Nov 03, 1998 · A plurality of designs for mine roof bolts is disclosed. Each mine roof bolt includes a flexible multi strand cable having a first and second end with a drivehead formed on the first end, the drivehead having a plurality of driving faces on an exterior surface thereof.

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Strand Wedge Anchors Wholesale, Wedge Anchor Suppliers

offers 2,003 strand wedge anchors products. About 38% of these are anchors. A wide variety of strand wedge anchors options are available to you, such as wedge anchor, anchor bolt, and floor anchor. You can also choose from free samples, paid samples. There are 2,001 strand wedge anchors suppliers, mainly located in Asia.

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Principles of rockbolting design ScienceDirect

Principles of rockbolting design. Author links open overlay panel Charlie C. Li. Show more Cable boltingSingle or multi strand cables are installed into the competent rock behind the failure zone. One product of such a plank is 1.25–3 m in length and approximately 220 mm in width and is made of steel plate of 3–6 mm in thickness

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Rock bolt and anchoring SlideShare

Sep 25, 2017 · Rock bolt and anchoring 1. 14 Rockbolts and cables 14.1 Introduction Rockbolts and dowels have been used for many years for the support of underground excavations and a wide variety of bolt and dowel types have been developed to meet different needs which arise in mining

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John C. Stankus Inventions, Patents and Patent

The bolt assembly includes a tensionable roof bolt, a bearing plate with an annular embossment, and a deformable annular washer. A flexible multi strand steel cable of a preselected length is inserted in a bore hole drilled in a rock formation above an underground excavation. The cable includes an anchor end portion positioned in the bore

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Messenger Suspension Clamp, 3 Bolt, Angled 1/4in to

Cable suspension clamp is used with 5/8 diameter through bolt to support cable at poles at corner or angled runs. Through bolt also serves as clamping member. Clamp includes two 1 5/8 carriage bolts. Accommondates strand size 1/4 throught 7/16.

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Bolt Tools|Jiangsu Feiyao Machinery Manufacturing Co., Ltd.

SES series Single stage Bolt Tensioner. MSK series Multistage Cylinder Bolt Tensioner. Ultra high pressure Interchangeable Head Hydraulic Bolt Tensioner. Spring Return Hydraulic Bolt Tensioner. Integral Hydraulic Bolt Tensioner. Special Hydraulic Locking Nut for Coal Mining Machine. Upper Locking Type Hydraulic Nut. Under Locking Type

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Cooper B Line Comm/Data Equipment Catalog Download

As a leading manufacturer of support systems and enclosures for voice/data/video (VDV) communications systems, Cooper B Line products protect your critical network infrastructure and route cabling throughout your facility. Browse or download Cooper B Line's Comm/Data Equipment catalog.

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Cooper B Line Comm/Data Equipment Catalog Download

As a leading manufacturer of support systems and enclosures for voice/data/video (VDV) communications systems, Cooper B Line products protect your critical network infrastructure and route cabling throughout your facility. Browse or download Cooper B Line's Comm/Data Equipment catalog.

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Wire and Cable Dead End Clamp Attachments

Wire and Cable Dead End Clamp Attachments at AFL are manufactured to the exacting details of our Dossert brand of products. AFL provides a solution for Contact/Trolley Wire, Stranded Solid Copper and Aluminum Strand, Copperclad and Alumoweld applications. AFL Dead Ends exceed the rated breaking strength of the wire and/or cable applied and operate within safe working loads and industry factor

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Multibar with Standard Corrosion Protection (SCP) DSI

GEWI ® Pile System 1. Staggered Anchors 2. Staggered Coupler Connections GEWI ® Multibar assembly Used für extreme loads Reaction piles for test loa

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Shop by Category

Shop by department, purchase cars, fashion apparel, collectibles, sporting goods, cameras, baby items, and everything else on , the world's online marketplace

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Antique Tools and Hardware Collectors Weekly

Shop for and learn about Antique Tools and Hardware. The history of tools and hardware tells the story of two conflicting impulses. The first was the

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Mining Equipment, Breaking, Drilling & Crushing Products

The Sandvik range of rock support drill rigs is designed for a wide array of hard rock mining operations, tunneling and civil engineering applications. Thanks to on board cement mixers, cement bag platforms, and optional cement silos and steel strand reels, the rigs

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