Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Including settable material – Adhesive encapsulated
Patent
1986-02-03
1987-03-24
Ridgill, Jr., James L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Including settable material
Adhesive encapsulated
52707, F16B 3902, E04C 516
Patent
active
046521933
ABSTRACT:
Method and apparatus for anchoring an internally threaded shank member into a hole in concrete by using a capsule of epoxy. A chisel point on the anchor shank is utilized to break the capsule of epoxy in the hole in the concrete after a structure is attached to the top of the shank in a threaded fashion and rotated downwardly into the hole by an impact wrench or other rotary tool having an adjustably chuck attached thereto. A stop is provided on the structure connecting the power tool to the shank for preventing relative rotation in one direction of the shank with respect to the power tool once the threaded connector is adequately threaded into the shank the shank's internally threaded depression.
REFERENCES:
patent: 2092341 (1937-09-01), De Vries
patent: 4193715 (1980-03-01), Vass
patent: 4263832 (1981-04-01), Lang et al.
patent: 4404875 (1983-09-01), Sadanandan et al.
patent: 4419805 (1983-12-01), Calandra, Jr.
patent: 4514125 (1985-04-01), Stol
patent: 4518292 (1985-05-01), Calandra, Jr.
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