Upsetting method for working a metal slug, method for preparing a slug for a forging operation according to the method and device for implementing the method
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United States of America Patent
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Nov 25, 2008
Issued Date -
N/A
app pub date -
Oct 28, 2005
filing date -
Oct 29, 2004
priority date (Note) -
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Abstract
The invention relates to an upsetting method for working a metal slug having a determined slenderness, characterized by the fact that the slug is at least partly positioned in the direction of its length, in an upsetting pot in a cylindrical housing provided for this purpose, and pressure is exerted on the slug in the direction of its length by means of a punch, until the slug fills the whole section of the housing, so as to reduce its slenderness, and to obtain a cylindrical slug with a section equal to that of the housing, in preparation for a forging operation. By this method, it is possible to upset slugs with large slenderness.
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