HOT PRESS CUSHIONING MATERIAL

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United States of America Patent

SERIAL NO

14406526

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Abstract

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A hot press cushioning material (14a) includes: a first nonwoven fabric (15) forming an inner layer; and second nonwoven fabrics (16a, 16b) placed on both surfaces of the first nonwoven fabric (15) and forming outer layers. Copolymerized para-aramid fibers having a basis weight of 80 to 400 g/m2 are used as a material of the second nonwoven fabrics (16a, 16b). Fibers that are more rigid than the copolymerized para-aramid fibers are used as a material of the first nonwoven fabric (15). Each of the first nonwoven fabric (15) and the second nonwoven fabrics (16a, 16b) has a heat resistant temperature of 270° C. or more.

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Patent Owner(s)

Patent OwnerAddress
YAMAUCHI CORPORATION7 SHODAI-TAJIKA 2-CHOME HIRAKATA-SHI OSAKA 573-1132

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ozeki, Takamitsu Osaka, JP 9 10
Yoshida, Akira Osaka, JP 184 1977

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