Method for producing slit separator and method for producing separator roll

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10513045
SERIAL NO

15324816

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Abstract

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A good-quality slit separator having a small amount of fuzziness at a slit part thereof is to be obtained. The present invention includes: a step (S101) of conveying an original sheet (S); and a step (S102) of slitting the original sheet (S) by causing a plurality of slitting blades (72) to cut into the original sheet (S) such that tangent plane angles (θ3) in a tangent plane, on which a slitting position is in contact with the original sheet (S), are substantially identical with each other.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO CHEMICAL COMPANY LIMITEDOSAKA-SHI OSAKA 541-0041

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kataoka, Tatsuya Niihama, JP 56 801
Kondo, Masaya Niihama, JP 48 569
Nomura, Kiyomu Niihama, JP 11 2
Oohira, Satoshi Osaka, JP 11 197

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