Patent ID: 7040851
Filing Date: 2006-05-09
Classification: F16B

Abstract:
1. A nail-shaped fastening element, comprising a first, conical section ( 1 , 11 , 21 ) tapering in a setting direction of the fastening element and provided with a pointed end ( 5 , 15 , 25 ) and a knurled surface profile extending at least along a portion of the first section starting from the pointed end, and a second section ( 2 , 12 , 22 ) adjoining the first section ( 1 , 11 , 21 ) at an end of the first section remote from the pointed end ( 5 , 15 , 25 ), wherein a depth of the knurled surface profile ( 7 , 17 , 27 ) diminishes to the tip ( 5 , 15 , 25 ), and wherein the depth of the knurled surface profile ( 7 , 17 , 27 ) amounts from 0.01 mm to 0.2 mm at the pointed end ( 5 , 15 , 25 ) and amounts from 0.05 mm to 0.8 mm in an opposite end of the knurled surface profile ( 7 , 17 , 27 ).