Resin Mixing and Cable Tensioning Device and Assembly for Cable Bolts

a technology of tensioning device and mixing machine, which is applied in the direction of anchoring bolts, mining structures, earthwork drilling and mining, etc., can solve the problems of difficult anchoring of cables at one or both ends, unsatisfactory rigid steel rods,

Inactive Publication Date: 2009-07-30
SEEGMILLER BEN L
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0019]In use, the device permits reliable mixing of epoxy resin components by rotating the nut until it abuts the wedge barrel whereupon the cable will spin in the direction the nut is being turned. This turning or spinning action can be used to mix the epoxy resins.

Problems solved by technology

Rigid steel rods are, however, not always ideal because they are manufactured in finite, fixed lengths and long rods are often difficult to work with in confined spaces such as construction and mining sites.
Historically, anchoring a cable at one or both ends is more difficult because the cable does not bear threads to receive bolts.

Method used

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  • Resin Mixing and Cable Tensioning Device and Assembly for Cable Bolts
  • Resin Mixing and Cable Tensioning Device and Assembly for Cable Bolts
  • Resin Mixing and Cable Tensioning Device and Assembly for Cable Bolts

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Embodiment Construction

[0028]The present invention relates to a device for use in anchoring and tensioning cables or cable bolts to stabilize walls or ceilings in earthen bodies such a mines or other underground openings. In particular, the present invention is directed to a integral device which both facilitates mixing the epoxy resins used to anchor the cable bolt in the earthen body and tensioning the cable bolt after it is anchored in place. The present invention contemplate an integral wedge barrel used to capture a cable bolt and a threaded sleeve about the cable bolt.

[0029]FIG. 1 and the corresponding discussion are intended to provide a general description of one embodiment of the present invention. One skilled in the art will appreciate that the invention may be practiced by one or more embodiments in a variety of configurations. Mixing and tensioning assembly 10 is shown in perspective view. Assembly 10 comprises cable or cable bolt 20, an integral body 30 of a wedge barrel and threaded sleeve d...

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Abstract

The present invention is directed to a device and assembly for the anchoring and tensioning of cable bolts used in earthen formations to stabilize the earthen structures to prevent or minimize the caving in or sluffing-off of the earthen structure. The new invention presents an integral wedge barrel and threaded sleeve which can be turned to facilitate both the mixture of cementing resins and the physical tensioning of an anchored cable.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a device and assembly for cable bolt systems. In particular, the present invention relates to cable bolt apparatus which can be used to both mix associated cable resin and to tension the cable bolt assembly against a bearing plate.[0003]2. Background and Related Art[0004]Steel bolts and cable bolts are commonly used in underground mines to stabilize geologic layers adjacent mine openings. For example, cable bolt assemblies are used to secure the geologic layers of the roof of a mine tunnel or drift to prevent roof strata from falling and causing obstructions or injury to persons or equipment in the tunnel.[0005]Rigid members such as steel rods or rebar have long been used in anchoring systems in construction applications and as rock bolts in mining applications. For example, threaded rebar manufactured and sold by DYWIDAG under the brand name Threadbar has been used for rock bolts for ye...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E21D21/00
CPCE21D21/008E21D2021/006E21D21/0086E21D21/006
Inventor SEEGMILLER, BEN L.
Owner SEEGMILLER BEN L
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