F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 15/00 (2006.01) B25C 1/18 (2006.01) F16B 19/14 (2006.01) F16L 3/04 (2006.01) F16B 43/00 (2006.01)
Patent
CA 2157817
An attachment member arranged to be secured to a surface of a hard receiving material by an explosive powder charge operated setting tool is formed of a fastening element, such as a nail, and a prestressing element. The prestressing element assures a sound attachment by bridging differences in the depth to which the nail is driven. To increase its surface contacting the surface of the hard receiving material, the prestressing element is laterally enclosed at least in part by a plastics material part so that the pressure of the attachment member in contact with the receiving material and the danger of tilting of the setting tool relative to the receiving material are reduced. Further, a recess is formed in the plastics material part to improve guidance between the prestressing element and a bolt guide of the setting tool.
Frowis Markus
Guillon Luc
Janssen Rupert
Gierczak Eugene J. A.
Hilti - Aktiengesellschaft
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