	US 11,787,743 B2
	Multi-component inorganic capsule anchoring system based on aluminous cement
Armin Pfeil, Kaufering (DE); and Vanessa Sirch, Untermeitingen (DE)
Assigned to Hilti Aktiengesellschaft, Schaan (LI)
Appl. No. 17/283,633
Filed by Hilti Aktiengesellschaft, Schaan (LI)
PCT Filed Oct. 2, 2019, PCT No. PCT/EP2019/076704 § 371(c)(1), (2) Date Apr. 8, 2021, PCT Pub. No. WO2020/074347, PCT Pub. Date Apr. 16, 2020.
Claims priority of application No. 18199491 (EP), filed on Oct. 10, 2018.
Prior Publication US 2021/0387917 A1, Dec. 16, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C04B 28/06 (2006.01); C04B 14/28 (2006.01); C04B 103/00 (2006.01); C04B 111/00 (2006.01)

CPC C04B 28/06 (2013.01) [C04B 14/28 (2013.01); C04B 2103/0008 (2013.01); C04B 2111/00474 (2013.01)]

18 Claims

1. A multi-component inorganic capsule anchoring system for chemical fastening of an anchor or post-installed reinforcing bar in a mineral substrate, comprising:

a curable powdery aluminous cement component A in a first chamber of the multi-component inorganic capsule and an initiator component B in an aqueous-phase in a second chamber of the multi-component inorganic capsule for initiating a curing process,

wherein the powdery aluminous cement component A comprises an aluminous cement component comprising powdery calcium aluminate cement, and

wherein the initiator component B comprises an accelerator and water.