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Paddle adapted rock bolt with improved installation properties
The invention provides a grout anchored rock bolt which includes an elongate cylindrical body of a suitable material which has at least one integral anchor portion which comprises of a plurality projection, each of which extends laterally from the body in at least one radial direction, wherein the projections are consecutively serially arranged along the length of the anchor portion and wherein each projection is radially offset relatively to the preceding formation at an angle that is not orthogonal.
Paddle adapted rock bolt with improved installation properties
The invention provides a grout anchored rock bolt which includes an elongate cylindrical body of a suitable material which has at least one integral anchor portion which comprises of a plurality projection, each of which extends laterally from the body in at least one radial direction, wherein the projections are consecutively serially arranged along the length of the anchor portion and wherein each projection is radially offset relatively to the preceding formation at an angle that is not orthogonal.
Paddle adapted rock bolt with improved installation properties
SHEPPARD JAMES WILLIAM (author) / VISSER HENRI (author) / CROMPTON BRENDAN ROBERT (author) / NIEUWENHUIS CORNELIUS ADRIAAN (author)
2021-06-24
Patent
Electronic Resource
English
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