Title:
FASTENING ELEMENT TO BE DRIVEN
Document Type and Number:
Japanese Patent JPH01289676
Kind Code:
A
Abstract:
PURPOSE: To drive a fastening element without generating cracks in a base material by providing a drill head on a shank in the driving direction, and providing a load acting means and a rotation fastening means having a holding face on the shank in the opposite direction.
CONSTITUTION: A drill head 2 is rotated by a drive device via a rotation fastening means 4 having a holding face to bore a bottomed hole on a base material (e.g. concrete, stone wall, rock). The drill head 2 is inserted into this hole, a load acting means 3 is located outside the hole, and the drill head 2 is explosively driven into the base material via the load acting means 3.
Inventors:
BETSUKU YOZEFU
HATSUHATERU HANSU
TOBURAA ARUFURETSUDO
HATSUHATERU HANSU
TOBURAA ARUFURETSUDO
Application Number:
JP28231588A
Publication Date:
November 21, 1989
Filing Date:
November 08, 1988
Export Citation:
Assignee:
HILTI AG
International Classes:
F16B13/13; F16B19/14; B25D17/02; F16B35/04; F16B23/00; (IPC1-7): B25D17/02; F16B13/13; F16B19/14
Attorney, Agent or Firm:
Akihide Sugimura (1 outside)