Rods secured in anchorage by at least one of organic and inorganic mortar composition

U.S. Cl. 52-698

16 Claims

US 6,499,267 B1 Rods secured in anchorage by at least one of organic and inorganic mortar composition Thomas Ayrle, Schwabmünchen (Germany) Assigned to Hilti Aktiengesellschaft, Schaan (Liechtenstein) Filed on Nov. 28, 2000, as Appl. No. 9/725,328. Claims priority of application No. 199 55 684 (DE), filed on Nov. 19, 1999. Int. Cl.7E04B 1/38 U.S. Cl. 528212;698 16 Claims 1. A tie rod for insertion into an anchorage, where it is secured by at least one of an organic and inorganic mortar composition, comprising an axially extending shaft (2; 12; 22; 32) having a leading first end to be inserted into the anchorage and a trailing second end, said shaft comprising an axially extending connecting section (3; 13; 23; 33) extending from said second end toward said first end and an axially extending anchoring section (4; 14; 24; 34) having at least an anchoring part having a uniform cross-section transverse of the axis of said shaft and axially extending from said first end toward said connecting section, said connecting section having a diameter larger then a diameter of said anchoring part, conically shaped members (6, 7; 16, 17) positioned on said anchoring part one following the other in the axial direction, said conically shaped members each having an outside diameter increasing in the axial direction toward said first end, said conically shaped members comprising a first end cone and at least two second cones, said first end cone being separably fixed to said leading first end and said at least two second cones being slidably positionable on said anchoring section between said first end cone and said connecting section and being axially displaceable to a limited extent along the anchoring section, and said second cones (17) are separated from one another in the axial direction by at least one of axially cushioned and axially elastic intermediate elements (40).