F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/24, 61/46
F16B 13/04 (2006.01) F16B 13/08 (2006.01)
Patent
CA 1277520
ABSTRACT An expansion bolt assembly for use in boreholes with an annular undercut adjacent the base of the bore- holes includes an axially elongated anchor bolt, a support sleeve laterally enclosing the anchor bolt with annular segments formed on the support sleeve, and an expansion sleeve to be inserted between the anchor bolt and the support sleeve. The annular segments are dis- placed radially outwardly by the expansion sleeve into the undercut in the borehole. The annular segments extend radially outwardly from the outside surface of the support sleeve. During the expansion procedure the outer surface of the support sleeve is pressed against the surface of the borehole.
513686
Hilti - Aktiengesellschaft
Kerrom Roger
Rolston George A.
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