Method and device for production of hollow sections
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United States of America Patent
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N/A
Issued Date -
Dec 16, 2004
app pub date -
Feb 19, 2004
filing date -
Oct 29, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to a method and device used to produce hollow sections with very high degrees of reduction at very high manufacturing speeds, while at the same time maintaining or improving the quality of the final product. According to the inventive method, it is possible to produce hollow sections having defined cross-sectional forms and dimensions from a starting material in the form of hollow sections having larger diameters. The starting material is shaped to form the desired hollow section by combinations of stretch reductions and drawing through drawing nozzles. The invention also includes a device for carrying out the above-mentioned method.
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