Method and device for forming and/or coating wire-shaped metal material
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United States of America Patent
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-
Feb 2, 1999
Grant Date -
N/A
app pub date -
May 7, 1997
filing date -
Nov 11, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The disclosure concerns the field of metallurgy and relates to a method and device for use in the forming of wire-shaped metal material, in particular in wire drawing. To form and/or coat wire-shaped metal material with solid to paste-consistency lubricants, the material is passed through a pressure chamber fitted with at least one inlet nozzle and at least one outlet nozzle. Located in the pressure chamber is a solid to paste-consistency lubricant which is under pressure. The pressure is set and/or regulated and raised by means of an external pressure-generation unit. The combined pressure/temperature setting used for the lubricant is always kept below the level at which the lubricant would liquefy. The lubricant is used as a powder or in the form of shaped articles, preferably compacts, pellets or granules, and fed to the pressure chamber from lubricant-storage facilities through feed channels.
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