Title:
工具のかみ合い面における凹部及び突出部の形成方法及びその工具
Document Type and Number:
Japanese Patent JP4729223
Kind Code:
B2
Abstract:
The invention relates to a hand tool, in particular in the form of a screwdriver or a file, comprising one or more working surfaces with a grooved profile. According to the invention, the grooves are formed by recesses which are created using high-energy irradiation and which have border ribs. The border ribs can be formed by the edges of a fusion which immediately solidifies into a dish-shaped structure.
Inventors:
Strauss, Martin
Application Number:
JP2001545041A
Publication Date:
July 20, 2011
Filing Date:
December 08, 2000
Export Citation:
Assignee:
Vera Werk Hermann Werner Geembehr und Zeo.
International Classes:
B25B15/00; B23D67/00; B23K26/00; B23K26/38; B25B7/02; B25B13/00
Domestic Patent References:
| JPS62188678A | 1987-08-18 |
Attorney, Agent or Firm:
Takashiro Kojima