Sheet manufacturing apparatus and method for manufacturing sheet

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United States of America Patent

PATENT NO 9315944
APP PUB NO 20140290884A1
SERIAL NO

14223073

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Abstract

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A present sheet manufacturing apparatus, which manufactures a sheet including defibrated material and whiteness enhancer, is provided with a defibrating unit configured to defibrate a stock material that includes fibers, a whiteness enhancer feeding unit configured to feed the whiteness enhancer to the defibrated material defibrated in the defibrating unit. A feeding amount of the whiteness enhancer is changed based on whiteness information of the stock material or the defibrated material.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Seki, Shunichi Nagano, JP 131 2877
Yamagami, Toshiaki Nagano, JP 42 438

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