Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tsugio Saito0
Hirohide Azuma0
Hiroshi Kato0
Tomio Sugiyama0
Date of Patent
October 17, 2006
0Patent Application Number
108283010
Date Filed
April 21, 2004
0Patent Primary Examiner
Patent abstract
A method of manufacturing an elliptic deep-drawn product including a first step of providing an intermediate product and a second step of providing an end product. In the first step, a rotary forming die is used to form in a blank a substantially round formed portion of a U-shaped cross-section. In the second step, the formed portion is deformed at its semicircular portion by press working to form an elliptic portion, being formed into a final shape.
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