Title:
芯材用前駆体、芯材及びその製造方法、繊維強化体及びその製造方法
Document Type and Number:
Japanese Patent JP7439665
Kind Code:
B2
Abstract:
To provide a core material and the like that can be obtained as a two-dimensional shape at a time of creation while realizing easy three-dimensional expansion.SOLUTION: A precursor 1 for core material that is embedded in resin and serves as a core material that constitutes a fiber reinforced body includes: a base layer 11; and a fiber bundle 13 made by bundling continuous fibers. The fiber bundle 13 has a plurality of sewn regions 15A sewn to the base layer 11 and a non-sewn region 15B in which the fiber bundle 13 is sewn away from the base layer 11 without being sewn. The sewn region 15A is sewn in a plane so that the fiber bundles 13 are arranged in multiple rows with respect to the base layer 11. The non-sewn region 15B is composed of a plurality of aligned fiber bundles 13 and connects adjacent sewn regions 15A to each other. A method for manufacturing the core material includes a step of cutting off the base layer 13B constituting the non-sewn region 15B from the precursor 1 for the core material.SELECTED DRAWING: Figure 1
Inventors:
Kento Yoshida
Keisuke Nakagawa
Kota Umemura
Keisuke Nakagawa
Kota Umemura
Application Number:
JP2020118062A
Publication Date:
February 28, 2024
Filing Date:
July 08, 2020
Export Citation:
Assignee:
Toyota Boshoku Co., Ltd.
International Classes:
B29C70/10; B29B11/16; B32B5/00
Domestic Patent References:
| JP2018154675A | ||||
| JP2014159099A |
Attorney, Agent or Firm:
Kiyomichi Kojima
Yasuyuki Hiraiwa
Yasuyuki Hiraiwa