Foundation bolt

Details Foundation bolt Foundation bolt

F - Mech Eng,Light,Heat,Weapons

16

B

85/27

F16B 13/10 (2006.01)

Patent

CA 1168484

Abstract An anchor bolt for anchorage in a bore has a tension rod with a male screwthreaded section and a head section conically enlarged from the latter. There is also a sleeve with a female screwthreaded section and an adjoining sectorally spreadable anchorage section. The invention is characterised in that the sleeve has a polygonal cross- section and is provided with axially parallel pre-weakened spreading lines in the middles of the sides of the polygon. The resulting bolt permits an immediate, secure and durable anchorage in surrounding material.

342487

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