Title:
SILICONE RUBBER ROLLER FOR EMBOSSING, PLASTIC FILM PRODUCTION METHOD AND PRODUCTION DEVICE USING SAME, AND SURFACE PROTECTION FILM
Document Type and Number:
WIPO Patent Application WO/2020/071090
Kind Code:
A1
Abstract:
Provided is a silicone embossing rubber roller having no fine depression defects on the surface, and furthermore, not liable to produce protrusions on an embossed plastic film surface. This silicone rubber roller for embossing is such that the silicone rubber layer on the surface contains spherical solid particles, and the spherical solid particles having a particle size of 0.8 μm or smaller and the spherical solid particles having a particle size of 30 μm or larger respectively occupy 1% or less of the volume of all the spherical solid particles.
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Inventors:
NAGAE YOSHIKAZU (JP)
TOMITA YUUKA (JP)
MATSUMOTO TADASHI (JP)
TOMITA YUUKA (JP)
MATSUMOTO TADASHI (JP)
Application Number:
PCT/JP2019/036069
Publication Date:
April 09, 2020
Filing Date:
September 13, 2019
Export Citation:
Assignee:
TORAY ADVANCED FILM CO LTD (JP)
International Classes:
B29C59/04; B29C48/305; B29C48/88; B29L7/00; B29L11/00
Domestic Patent References:
WO2013080925A1 | 2013-06-06 | |||
WO2011129167A1 | 2011-10-20 |
Foreign References:
JP2012011735A | 2012-01-19 | |||
JP2004268328A | 2004-09-30 | |||
JPH10286876A | 1998-10-27 | |||
JP2012245708A | 2012-12-13 |
Attorney, Agent or Firm:
ICHIJO, Chikara (JP)
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