ROUGHLY SHAPED MATERIAL FOR FORGING, FORGED PRODUCT, APPARATUS FOR MOLDING ROUGHLY SHAPED MATERIAL FOR FORGING, AND METHOD OF MOLDING ROUGHLY SHAPED MATERIAL FOR FORGING
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United States of America Patent
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Issued Date -
May 21, 2009
app pub date -
Sep 28, 2006
filing date -
Nov 8, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A forging stock formed by extrusion such that its cross section perpendicular to the direction of extrusion varies along the direction of extrusion. The forging stock is cut into portions in the direction of extrusion to be forged individually, each cut portion having cross sections varying along the direction of extrusion. Each cut portion includes a pair of first parallel parts at both ends thereof in the direction of extrusion, a second parallel part, which is between the first parallel parts, and which differs in thickness from said first parallel parts, and oblique parts each of which is between the first parallel parts and the second parallel part.
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