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Title
WERKZEUG ZUR SPANLOSEN HERSTELLUNG VON INNENKONTUREN
Date Issued
1996
Author(s)
Dietrich, K.
Schmidt, S.
Patent No
1991-4138126
Abstract
The description refers to a tool for the non-cutting manufacture of outer and inner contours of workpieces which have polygonal cross-sectional shapes, which are therefore formed as square profiles, for example. In addition to applying contours to the outer or inner walls of such workpieces, the material or workpiece to be machined can be cut. The tool has several tool elements which are arranged in a basic state so that they can be introduced into the workpiece or extracted; furthermore, there is an expanding element which transfers the tool elements in a gripping state by a movement which is in general perpendicular to the surface. In the gripping state, the tool elements are arranged so that they can be interconnected at least for the complete cutting or shearing process (segmenting of the workpiece without any play). The number of tool elements depends on the polygonal cross-section of the workpiece.
Language
de
Institute
Patenprio
DE 1991-4138126 A: 19911119