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Title:
A manufacturing method and a device of a composite sheet
Document Type and Number:
Japanese Patent JP6163489
Kind Code:
B2
Abstract:
A method including: a step of forming depressions and protrusions on a first continuous sheet between a first roll and a second roll; a placement step of placing a plurality of granular particles in depressed portions of the depressions and protrusions of the first continuous sheet; a step of laying a second continuous sheet on the first continuous sheet, thereby forming a sandwich structure; and a step of bonding the two sheets with each other along protruding portions of the depressions and protrusions of the first continuous sheet, wherein a circumferential velocity of the second roll is greater than a circumferential velocity of the first roll.

Inventors:
Nakamon Masatake
Application Number:
JP2014528104A
Publication Date:
July 12, 2017
Filing Date:
July 25, 2013
Export Citation:
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Assignee:
Mizuko Co., Ltd.
International Classes:
A61F13/15; B29C69/02; D06C23/04
Domestic Patent References:
JP2007130818A
JP2009154424A
JP2006341455A
JP2009155741A
JP2009202506A
JP2009126107A
Attorney, Agent or Firm:
Yamamura Patent Office
Yoshinobu Yamamura



 
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