F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/26
F16B 13/12 (2006.01) F16B 13/06 (2006.01)
Patent
CA 1036849
ABSTRACT OF THE DISCLOSURE An expansion bolt for attaching into a cavity which bolt is threaded at its outer end for cooperation with a nut and at its inner end is formed as a cone coaxial with the bolt the narrowest part of said cone being directed towards the outer end of the bolt, a cylindrical transition part at the bolt having a smaller diameter than the remainder of the bolt, the transition part being loosely surrounded by an expanding sleeve which is arranged to engage with the wall of the cavity when expanded by the insertion of the cone into the sleeve, the bolt having at least one more coaxial cone and a cylindrical transition part with surrounding expanding sleeve, whereby all the cones and transition parts are carried out in one piece with the bolt, and the expanding sleeve has a thickness of material of at least 0.1 times the outer diameter of the bolt.
247659
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