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Patent Searching and Data


Title:
MANUFACTURE OF FIXED ELEMENT
Document Type and Number:
Japanese Patent JP2001009551
Kind Code:
A
Abstract:

To obtain a manufacturing method for a fixed element wherein production efficiency is high and a manufacturing cost is low, quality of a tip is stable, no abrasion is caused at the time of the tip part manufacturing and a noise generation is reduced.

In a manufacturing method for a fixed element wherein heads 2, 3 are formed by crashing in one end part area and, a pointed end is provided by deformation in other end part area, the heads 2, 3 are formed by a crash treatment in both end part areas of a material 1, which as longer than two pieces of the fixed element. Two pieces of the fixed elements are manufactured simply from one element without causing a noise by heating the material 1 at an intermediate portion 4 between the crashed heads 2, 3 and then drawing it in an axial direction until it is separated at the heated intermediate portion 4.


Inventors:
Boemcke, Christian
Application Number:
JP2000000159935
Publication Date:
January 16, 2001
Filing Date:
May 30, 2000
Export Citation:
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Assignee:
HILTI AG
International Classes:
F16B15/00; B21C5/00; B21F5/00; B21G3/16; B21G3/18; B21G5/00; B21K1/46; B21K1/52; (IPC1-7): B21G5/00; F16B15/00