Bellows and method for manufacturing same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9422933
APP PUB NO 20140083288A1
SERIAL NO

14117950

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Importance

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Abstract

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A conductive coating layer 2a, 2b is formed on at least one of an inner peripheral side and an outer peripheral side of a base body 2 of bellows 1 by diffusion-bonding. Regarding the diffusion-bonding, the flat conductive coating layer 2a, 2b is layered on at least one end surface side of the plate-shaped base body 2, and these base body 2 and conductive coating layer 2a, 2b are diffusion-bonded. After forming this diffusion-bonded multilayer member into a tubular body by a drawing process, a side wall of the tubular body is formed into a bellows shape. With these processes, it is possible to obtain the bellows that has the conductive coating layer having a more uniform thickness on the base body of the bellows and has extremely good characteristics (the mechanical characteristics and the electric characteristics).

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Patent Owner(s)

Patent OwnerAddress
MEIDENSHA CORPORATIONTOKYO 141-0032

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takahashi, Eiichi Numazu, JP 93 1225
Tatsumi, Toshinori Numazu, JP 6 15

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