Title:
POROUS STRUCTURE AND POROUS STRUCTURE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/235154
Kind Code:
A1
Abstract:
A porous structure 1 is formed from a flexible resin or rubber. The porous structure is provided with: a skeleton part 2 which demarcates a plurality of cell holes C; and a skin part 6 which covers at least a portion of an imaginary outer contour surface of the skeleton part and is formed integrally with the skeleton part. The skin part has: a plurality of column parts 6C extending along the imaginary outer contour surface VC of the skeleton part; a plurality of column connecting parts 6J connecting end portions of the plurality of column parts; and a plurality of skin imaginary surfaces V6 demarcated between the plurality of column parts. The skin part has a non-uniform unit area ratio, the unit area ratio being the ratio of the total area of the column parts and the column connecting parts per 1 cm2.
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Inventors:
ITABASHI TAICHI (JP)
TAKAHASHI YOSHIYUKI (JP)
TAKAHASHI YOSHIYUKI (JP)
Application Number:
PCT/JP2020/006071
Publication Date:
November 26, 2020
Filing Date:
February 17, 2020
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
A47C27/14; B29C64/00; B33Y10/00; B33Y80/00
Domestic Patent References:
| WO2015156248A1 | 2015-10-15 |
Foreign References:
| JP2009029064A | 2009-02-12 | |||
| JP2015093549A | 2015-05-18 | |||
| JP2016215992A | 2016-12-22 | |||
| JP2009000847A | 2009-01-08 | |||
| JP2000262359A | 2000-09-26 | |||
| JP2002274238A | 2002-09-25 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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