Metal expansible anchor

Details Metal expansible anchor Metal expansible anchor

1996-11-08

1997-11-25

Saether, Flemming

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

Having separate expander means

Including sleeve and distinct tapered expander

411 60, F16B 1306

Patent

active

056904550

ABSTRACT:
An expansible anchor for anchoring in a hole drilled in a concrete part has a shaft having a rear end for fastening an article and a front end with a portion of reduced cross-section and an adjoining expander cone; a slide-enhancing sleeve arranged on the shank, an expansible sleeve arranged on the shank and on the slide-enhancing sleeve, the slide-enhancing sleeve being formed as a thin-walled plastic sleeve having a continuous longitudinal slit and arranged on the reduced portion of the shank, the plastic sleeve having a stop edge that abuts the expansible sleeve and formed so that the slide-enhancing sleeve is pushable with the stop edge onto the expander cone when the expander cone is drawn into the expansible sleeve.

REFERENCES:
patent: 4904134 (1990-02-01), Fischer
patent: 5176481 (1993-01-01), Schiefer
patent: 5344268 (1994-09-01), Fischer

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