Patent · US Active

Use of calcium sulfate in an inorganic mortar system based on aluminous cement to increase load values

US11214526B2 · kind B2 · utility

4Cited by

1References

15Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Armin Pfeil · Kaufering, DE
Vanessa Sirch · Markt Indersdorf, DE
Dominik Garbatscheck · Buchloe, DE

Key dates

Filing date	Oct 19, 2016
Grant date	Jan 4, 2022
Priority date	—
Expiry date	May 30, 2037

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An inorganic mortar system for a chemical fastening of an anchor in a mineral surface includes calcium sulfate, a component A, and a component B for initiating a curing process. Component A includes water, aluminous cement, at least one plasticizer, and at least one blocking agent selected from phosphoric acid, metaphosphoric acid, phosphorous acid, and a phosphonic acid. Component B includes an initiator, at least one retarder, at least one mineral filler, and water. Component A is also a curable composition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.