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Title:
CUSHION MATERIAL AND METHOD FOR MANUFACTURING CUSHION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2021/117690
Kind Code:
A1
Abstract:
Provided are a cushion material with which vibration absorption is improved and a method for manufacturing a cushion material with which the cushion material can be easily obtained. A cushion material (1) is provided with: a foaming body (2) having a surface layer part (20) formed by ventilation controlling surface layer parts (21) and ventilation uncontrolling surface layer parts (22); and covering materials (3) covering the ventilation uncontrolling surface layer parts (22). A method for manufacturing a cushion material is used to obtain a cushion material (1), the method including a step of covering ventilation uncontrolling surface layer parts (22) of a foaming body (2) with covering materials (3).

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Inventors:
ITABASHI TAICHI (JP)
YAMAGUCHI YUKIKO (JP)
IENAGA SATOSHI (JP)
TAKAHASHI YOSHIYUKI (JP)
Application Number:
PCT/JP2020/045542
Publication Date:
June 17, 2021
Filing Date:
December 07, 2020
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B29C39/02; A47C27/14; B29C33/14; B29C39/24; B29C44/00; B29C44/02; B29C44/36; B29C44/58; B29K105/04
Foreign References:
JP2009125217A2009-06-11
JPH06182067A1994-07-05
JP2019104459A2019-06-27
JPS6238192A1987-02-19
JP2016123545A2016-07-11
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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