Anchor bolt expansion shell

Details Anchor bolt expansion shell Anchor bolt expansion shell

F - Mech Eng,Light,Heat,Weapons

16

B

85/27

F16B 13/10 (2006.01) F16B 13/06 (2006.01)

Patent

CA 1153225

ABSTRACT This invention relates to an anchor bolt expansion unit. The unit consists of a plurality of leaves connected together by a bail having a flat cap and fingers secured one to each leaf. The flat cap is dimpled to ensure an even distribution of tension applied to the fingers before the bail yields in use and also has a line of weakness to ensure that it will yield at a predetermined axial pressure. The fingers of the bail are also weakened at points in their length to a strength slightly greater than that resulting at the peripheral line of weakness. The anchor bolt expansion unit is of the general type wherein a conical plug interacts with the leaves of the anchor bolt expansion unit.

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