Expansion dowel

Details Expansion dowel Expansion dowel

2007-08-21

2010-12-28

Batson, Victor (Department: 3677)

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

Having separate expander means

Including sleeve and distinct tapered expander

C411S044000, C411S053000, C411S080600, C411S354000

Reexamination Certificate

active

07857564

ABSTRACT:
An expansion dowel includes an anchor bolt (12) having a load application element (16) at a first end region (14) of the anchor bolt (12), and an expansion part (17) at a second free end region (15) of the anchor bolt (12), and an expansion sleeve (21) having an inner profile (22) with a region (23) having a surface roughness increasing in the direction of the first end region (14) of the anchor bolt (12), with the expansion part (17) having a conical section (18) widening toward the second free end region (15) of the anchor bolt (12) for expanding the expansion sleeve (18).

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