Anchorage system of the elements to be supported on the complete

Details Anchorage system of the elements to be supported on the complete Anchorage system of the elements to be supported on the complete

1979-10-09

1982-02-23

Murtagh, John E.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Including sleeve and distinct tapered expander

52711, F16B 1304

Patent

active

043166890

ABSTRACT:
An anchoring system is provided for use in building walls. A drill hole is formed in a wall or floor with a radially enlarged portion. A fixing bolt bearing an anchoring sleeve and a threaded piece is inserted into the hole. The anchorage sleeve having radially outwardly extended projections flexes upon insertion into the hole to expand these projections into the enlarged portion and a control element is rotated to move a threaded piece interconnected with the anchoring sleeve into the lower end of the anchoring sleeve. The system provides a more reliable anchor than conventional adhesive bolts or expansion bolts.

REFERENCES:
patent: 1311038 (1919-07-01), Bowman
patent: 2707897 (1955-05-01), Beeson
patent: 3158964 (1964-12-01), Haas
patent: 3999339 (1976-12-01), Sappenfield
patent: 4010807 (1977-03-01), Fischer

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