US Patent Application No: 2001/0005,708

Number of patents in Portfolio can not be more than 2000

ROTATING MEMBER AND ROTATING SHAFT MEMBER, FIXING ROLLER, CYLINDRICAL MEMBER, AND CYLINDER OF IMAGE FORMING APPARATUS, CYLINDRICAL MEMBER WELDING METHOD, ROTATING SHAFT MEMBER MANUFACTURING METHOD, AND METHOD OF MANUFACTURING DEVELOPING SLEEVE OF IMAGE FORMING APPARATUS

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Abstract

The object of this invention is to provide a cylindrical member welding method that can weld a cylindrical member without causing cracking. In order to achieve this object, in a cylindrical member welding method of welding, to an end portion of a cylindrical first member containing aluminum as a major component, a cylindrical or disk-like second member having substantially the same outer diameter as that of the first member and containing aluminum as a major component, a space is formed on a slightly inner side of an outer circumferential surface of a welded portion of the first and second members.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CANON KABUSHIKI KAISHATOKYO49710

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwai, Koji Sawa-gun, JP 11 48
Ohashi, Tsuneo Saitama, JP 4 10

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
LASAG AG (1)
7,557,325 Method for manufacturing a medical needle 1 2004