Spreizdübelsystem und Verfahren mit Mörtel und Anorganischem Füllstoff

Details

Veröffentlichungs-Nr.

EP4234956

Aktenzeichen

EP22159136

Anmeldetag

28. Februar 2022

Veröffentlichung

11. September 2024

Erteilung

11. September 2024

Rechtsraum

EP

IPC

F16B13/06F16B13/14

Abstract

The invention relates to a method for installing an expansion anchor (1) in a borehole,wherein the expansion anchor (1) comprisesa bolt (2) with an expansion region (3) at the frontal end (4) and a neck region (5), wherein the expansion region (3) adjoins the neck region (5) and tapers to the neck region (5),an expansion sleeve (6) at least partially surrounding the neck region (6), anda thread (7) for a nut (8) at the rear end (9),the method comprising the steps ofa) filling into the borehole a mortar, which comprises an organic polymer adhesive and inorganic filler,b) inserting the expansion anchor (1) into the borehole with the frontal end (4) first,c) applying a torque to withdraw the expansion anchor (1) a short distance out of the borehole, such that the expansion sleeve (6) is radially expanded, andd) hardening and/or curing the mortar to obtain the installed expansion anchor (1),wherein the mortar comprises ≤ 72.5 wt.% inorganic filler, based on the total weight of the mortar.The invention also relates to a mounting system comprising a substrate having a borehole and an expansion anchor (1) installed in the borehole,

Anmelder

Firma

Hilti Aktiengesellschaft

Land

🇱🇮 Liechtenstein

Fachgebiete