Clupak paper

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United States of America Patent

PATENT NO 9945077
SERIAL NO

14901997

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Abstract

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Clupak paper is manufactured using a gap-former paper-making machine equipped with a Clupak system, in such a way that its longitudinal tensile energy absorption index and lateral tensile energy absorption index as specified in JIS P8113 become 2.5 J/g or more and 1.0 J/g or more, respectively. The paper has excellent strength characteristics in both the longitudinal and lateral directions, especially in the longitudinal direction so that when the Clupak paper can be processed into a sack, the sack rarely breaks.

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Patent Owner(s)

Patent OwnerAddress
NIPPON PAPER INDUSTRIES CO LTD4-1 OJI 1-CHOME KITA-KU TOKYO 1140002 ?1140002

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Yuji Kushiro, JP 97 864
Hashiguchi, Keiko Tokyo, JP 1 24
Ishikawa, Satoshi Kushiro, JP 191 1566
Kondo, Hirofumi Tokyo, JP 133 1207
Noguchi, Hiroaki Tokyo, JP 6 30
Shini, Yukio Kushiro, JP 1 24

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