F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/19
F16B 13/06 (2006.01)
Patent
CA 2000718
ABSTRACT An expansion anchor assembly to be secured in a borehole is made up of an expansion sleeve and an anchor rod. The expansion sleeve has a plurality of expansion sections arranged to be deflected radially outwardly by drawing an expansion cone on the front end of the anchor rod into the sleeve. Each expansion section has a circumferentially extending weakened section forming a bending location. The weakened section is located between a radially inner and a radially outer recess in the expansion section. Each of the recesses has a rectilinear base extending tangentially relative to the expansion sleeve axis with the bases located in a plane disposed normally relative to the expansion sleeve axis.
Gierczak Eugene J. A.
Hilti - Aktiengesellschaft
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