Method of securing anchor rods
AssigneeHilti Aktiengesellschaft
InventorErich Leibhard
Life of this patent
Estimating the term…
Abstract
A method of securing an anchor rod in a borehole at an underwater location without the use of expanding force includes a first step of partially filling the borehole with a flowable hardenable bonding mass. Next, a cartridge containing a hardenable bonding mass is placed in the borehole and a part of the flowable bonding mass is displaced from the borehole. Since the cartridge substantially fills the borehole, the flowable bonding mass flows between the borehole surface and the cartridge. Finally, an anchor rod is driven into the borehole breaking up or destroying the cartridge, so that the two bonding masses mix, harden and bond the anchor within the borehole.
Claims10
A method of fastening an anchor rod in a borehole containing water by means of a hardenable bonding mass, comprising the steps of partially filling the borehole with a flowable bonding mass, inserting a closed cartridge containing a bonding mass into the borehole with the flowable bonding mass located outside the cartridge and at least partially displacing the flowable bonding mass within the borehole, and driving an anchor rod into the borehole for destroying the cartridge and mixing the flowable bonding mass and the bonding mass in the cartridge for anchoring the anchor rod in the borehole.
Dependencies are inferred from the claim text.