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1. (WO2017176205) REINFORCEMENT MEANS FOR INSERTION AND FIXATION IN A BOREHOLE

Pub. No.:    WO/2017/176205    International Application No.:    PCT/SE2017/050341
Publication Date: Fri Oct 13 01:59:59 CEST 2017 International Filing Date: Thu Apr 06 01:59:59 CEST 2017
IPC: E21D 21/00
Applicants: INFRA MANAGEMENT I NORR AB
Inventors: ÅBERG, Sture
Title: REINFORCEMENT MEANS FOR INSERTION AND FIXATION IN A BOREHOLE
Abstract:
The present invention concerns a reinforcement means intended for insertion and fixation in a borehole (2) through being embedded in grout (4) and comprising a bolt rod (5), equipped with a tensile section (7) intended to extend out from the borehole, and an extended-central section (8) and an end section (9) intended to be inserted into the borehole, a tension nut (13) intended to be mounted onto the tensile section (7) of the bolt rod, whereby the bolt rod demonstrates interaction means (6) intended to interact with the grout, where the said interaction means (6) is designed as a thread (11) along the complete length of the bolt rod (5), whereby the part of the thread (11) that is arranged along the tensile section (7) of the bolt rod is arranged for the reception of the tension nut (13).