发明名称 |
GRAVURE ROLL, METHOD OF FABRICATING A SEPARATOR, AND SEPARATOR |
摘要 |
A gravure roll, in which the outside peripheral surface of a metal roll main body has a plurality of oblique line shaped protrusions forming a prescribed angle with the center axis of the roll main body and the coating liquid can be held in a plurality of oblique line shaped recesses formed between each of the plurality of protrusions, is configured such that the roll main body has a diamond-like carbon layer on the entire outer peripheral surface thereof, a head part for each of the plurality of protrusions is cut down, and each of the plurality of protrusions has a trapezoidal cross-sectional shape that becomes gradually narrower in width moving in direction toward the head part. A separator with a uniform weight per unit area can be manufactured wherein the coating liquid is coated onto a base material film using this gravure roll. |
申请公布号 |
US2016226047(A1) |
申请公布日期 |
2016.08.04 |
申请号 |
US201414888115 |
申请日期 |
2014.10.15 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
WATANABE Koichiro;WANG Jian;MINEMOTO Yasutoshi;KIMURA Shinya |
分类号 |
H01M2/14;B05C1/02;H01M2/16 |
主分类号 |
H01M2/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
Tokyo JP |