Metal diaphragm

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8287981
APP PUB NO 20110020588A1
SERIAL NO

12922256

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a diaphragm that can be securely and firmly fixed to a predetermined fixing position without deteriorating the function of a film part. The diaphragm is provided with a film part (1a) that is elastically deformable by a predetermined pressure, a thick part (1b) that is disposed at a rim portion of the film part (1a) and has a thickness greater than the film part (1a), and a protection part (1d) that is disposed between the film part (1a) and the thick part (1b) in contact with the film part (1a) and is elastically deformable along with elastic deformation of the film part (1a) to protect the film part (1a).

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Patent Owner(s)

  • TACMINA CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kinugawa, Shigehisa Asago, JP 3 53
Shimizu, Toshiharu Asago, JP 47 338
Sugahara, Shinichi Asago, JP 1 32

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