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US 2015/0043976 A1Published application
Strand, cable bolt and its installation
AssigneesNV Bekaert SA, Minova International Limited
InventorsStijn Defossez, David Aspinwall, Setphen Tadolini, James Earl
Life of this patent
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Abstract
A strand (20) for a cable bolt (14) comprises a plurality of metallic elongated members (22, 24) twisted together. At least one of the elongated members has a corrosion resistant coating (54) and surface deformation, so as to improve the bodig efficiency and the anchorage of the strand.
Claims17
A strand, comprising:
- a plurality of metallic elongated members being twisted together, wherein at least one of the elongated members has a corrosion resistant coating and surface deformation.
A method of fabricating a strand, comprising the steps of:
- (a) Preparing a plurality of metallic elongated members;
- (b) Coating the surface of said metallic elongated members with a corrosion resistant layer;
- (c) Deforming the surface of said metallic elongated members;
- and
- (d) Arranging said metallic elongated members and twisting them together.
2 more elements
Dependencies are inferred from the claim text.