Anchor bolt

Details Anchor bolt Anchor bolt

1982-01-29

1983-10-11

Britts, Ramon S.

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

Having separate expander means

Frangible member

411 57, F16B 1306

Patent

active

044089376

ABSTRACT:
An anchor bolt comprising a tension rod with a male screw-threaded section and a frusto-conical head terminating in a cylindrical shank, in combination with a sleeve having a female screw-threaded section and an internal frusto-conical bore. The sleeve has a polygonal cross-section with axially parallel pre-weakened rupture lines, permitting the sleeve to spread as it is entered by the tension rod, forcing the corners of the polygon into the surrounding material.

REFERENCES:
patent: 626040 (1899-05-01), Rowlands
patent: 2887694 (1959-05-01), Sauter

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