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Document Number
US Patent 3643480
Issued Date
February 22, 1972
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Inventors
Wildi; Paul (San Diego, CA)
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Abstract
Magnetic forming apparatus is described in which a conductive forming coil is formed in a generally cylindrical single turn, and wherein a pair of generally parallel flat conductors are connected to the adjacent ends of the coil and extend axially of the coil.
Drawing
FORMING COIL - US Patent 3643480 Drawing
Drawing from US Patent 3643480
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Number of Claims:
7
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Owner
Gulf Oil Corporation ([*]Notice:The portion of the term of this patent subsequent to February 18, 1986 has been disclaimed.
Published
February 22, 1972
Application Number
04/782,383
Filed
December 9, 1968
US Classification
72/56  
Int'l Classification
B21D   26/00   (20060101)   B21D   26/14   (20060101)  
USPTO Field of Search
72/56   336/225   336/229   336/232  
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