Sheet manufacturing method and sheet manufacturing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11753769
APP PUB NO 20220316139A1
SERIAL NO

17656906

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Abstract

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A sheet manufacturing method includes forming a web by accumulating a mixture containing a fiber and a water-soluble polysaccharide in a dry manner, a moisture imparting step of imparting the web with moisture, and a pressurizing and heating step of pressurizing and heating the web to which the moisture is imparted, in which the pressurizing and heating step performs pressurizing and heating at the same time, a pressure higher than a pressure applied to the web in the pressurizing and heating step is not applied to the web before the pressurizing and heating step, and heating to a temperature higher than a temperature for heating the web in the pressurizing and heating step is not performed before the pressurizing and heating step.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATION1-6 SHINJUKU 4-CHOME SHINJUKU-KU TOKYO 160-8801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagai, Yoshiyuki Nagano, JP 64 299
Nakai, Yoko Nagano, JP 45 155
Nakamura, Masahide Nagano, JP 96 952
Omagari, Naoko Nagano, JP 21 11
Tanaka, Hideki Nagano, JP 448 5293

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