07-03-2019 дата публикации
Номер: US20190071353A1
A fastening system for chemically fastening an anchor, the fastening system including a chemical anchor that is a ready-for-use two-component mortar system based on albuminous cement, and an anchor rod comprising an attachment region and an anchoring region. The anchor rod is insertable into a borehole and has a profiled section including a plurality of expansion sections disposed axially in a row which are conically shaped. 1. A fastening system for chemically fastening an anchor , the fastening system comprising:a chemical anchor that is a ready-for-use two-component mortar system comprising aluminous cement, andan anchor rod comprising an attachment region and an anchoring region,wherein the anchor rod is insertable into a borehole and has a profiled section comprising a plurality of expansion sections disposed axially in a row which are conically shaped.2. The fastening system according to claim 1 , wherein the two-component mortar system comprises:a component B, which is in an aqueous-phase for initiating a curing process,wherein component A comprises water, aluminous cement, at least one plasticizer, and at least one blocking agent selected from the group consisting of phosphoric acid, metaphosphoric acid, phosphorous acid, and a phosphonic acid,wherein component B comprises an initiator, at least one retarder, at east one mineral filler, and water, andwherein component A is a curable composition.3. The fastening system according to claim 2 , whereini) the initiator comprises a mixture of at least two members selected from the group consisting of an alkali metal salt, an alkaline earth metal salt, and a combination thereof,ii) the at least one retarder is selected from the group consisting of citric acid, tartaric acid, lactic acid, salicylic acid, gluconic acid, and a mixture thereof, andiii) the at least one mineral filler is selected from the group consisting of a limestone filler, sand, corundum, dolomite, alkaline-resistant glass, crushed stone, gravel, ...
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