Roll member, coating device, separator production device, and secondary battery production device

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United States of America Patent

PATENT NO 9656285
APP PUB NO 20150202647A1
SERIAL NO

14416523

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Abstract

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A roll member having an outer circumferential surface in which a plurality of grooves are formed, wherein the plurality of grooves are arranged at an angle relative to a direction parallel to a central axis of the roll member. A coating device for coating a film member with a coating liquid, the coating device comprising the roll member. A separator production device for producing a separator in which a heat-resistant layer is laminated over a substrate. The separator production device comprising the coating device. A secondary battery production device for producing a secondary battery comprising a positive electrode plate, a negative electrode plate, and a pair of separators that sandwich the positive electrode plate or the negative electrode plate therebetween. The secondary battery production device comprising the separator production device.

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Patent Owner(s)

  • SUMITOMO CHEMICAL COMPANY, LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayakawa, Noboru Niihama, JP 8 405
Minemoto, Yasutoshi Niihama, JP 10 28
Wang, Jian Niihama, JP 1690 15934
Watanabe, Koichiro Niihama, JP 84 1075

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