Title:
ROLL AND METHOD FOR MANUFACTURING POWDER
Document Type and Number:
WIPO Patent Application WO/2023/037764
Kind Code:
A1
Abstract:
This roll is for forming, in a multilayer film including a base material layer and a thin film disposed on the outermost side, a crack in the thin film by pressing the thin film-side surface of the multilayer film. The roll has convexities on the circumferential surface thereof, wherein the height of the convexities is 1.1-1.5 Tμm, and T represents the thickness (μm) of the thin film.
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Inventors:
HARAI KENICHI (JP)
Application Number:
PCT/JP2022/027992
Publication Date:
March 16, 2023
Filing Date:
July 19, 2022
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
B02C4/08; B02C4/30; B26F1/20; B29C59/04
Domestic Patent References:
| WO2019189246A1 | 2019-10-03 | |||
| WO2021172567A1 | 2021-09-02 | |||
| WO2019189246A1 | 2019-10-03 |
Foreign References:
| JP2021133441A | 2021-09-13 | |||
| JP2015189207A | 2015-11-02 | |||
| JP2015057301A | 2015-03-26 | |||
| JP2016187955A | 2016-11-04 | |||
| JPH0780248B2 | 1995-08-30 | |||
| US20210115336A1 | 2021-04-22 | |||
| JP2002321302A | 2002-11-05 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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