Patent ID: 6450745
Filing Date: 2002-09-17
Classification: F16B

Abstract:
Expansion dowel comprising an axially extending dowel body (1) arranged to be inserted in a setting direction S into an axially extending bore hole in a receiving material and an axially extending expansion sleeve (7), said dowel body (1) has a leading first end arranged to be inserted first into the bore hole a trailing second end and an axially extending through opening (2) extending between the first and second ends, said expansion sleeve (7) arranged to be inserted into the through opening (2) at the second end of said dowel body (1), said through opening (2) has an inside diameter decreasing in the second end to first end direction of the dowel body (1), said through opening (2) has an internal thread (8) extending axially from adjacent the first end toward the second end of said dowel body (1) and acting as means for applying a load, said dowel body (1) has a radially outwardly extending collar (6) at the second end thereof, said dowel body (1) has an axially extending first region (3) extending from the first end thereof toward the second end and an axially extending second region (4) extending from said first region toward the second end thereof, said second region has a greater outside diameter than said first region, said expansion sleeve has a cylindrical inside diameter and an outside diameter decreasing in the setting direction (S), said dowel body (1) has a weakened section in the first region (3) adjacent said second region (4) and spaced an axial distance (a) from said internal thread (8) and acting as a joint, and at least two axially extending slits (9) in said first region (3) open at said first end of said dowel body (1) and extending opposite to the setting direction (S) at least into said weakened section.