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1. WO2020116325 - RESIN FOAMED BODY

Publication Number WO/2020/116325
Publication Date 11.06.2020
International Application No. PCT/JP2019/046666
International Filing Date 28.11.2019
IPC
B29C 44/60 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
44Shaping by internal pressure generated in the material, e.g. swelling or foaming
34Component parts, details or accessories; Auxiliary operations
60Measuring, controlling or regulating
B29C 39/44 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
39Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
22Component parts, details or accessories; Auxiliary operations
44Measuring, controlling or regulating
B29C 44/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
44Shaping by internal pressure generated in the material, e.g. swelling or foaming
B29K 105/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D103
105Condition, form or state of moulded material
04cellular or porous
Applicants
  • 株式会社ブリヂストン BRIDGESTONE CORPORATION [JP]/[JP]
Inventors
  • 飯塚 誠 IIZUKA Makoto
Agents
  • 杉村 憲司 SUGIMURA Kenji
Priority Data
2018-22682603.12.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) RESIN FOAMED BODY
(FR) CORPS EN MOUSSE À BASE DE RÉSINE
(JA) 樹脂発泡体
Abstract
(EN)
A resin foamed body 1 is a resin foamed body made of a resin having flexibility. The resin foamed body is provided with a skeletal part 2 over entirety thereof. The skeletal part has a plurality of bone parts 2B and a plurality of joining parts 2J, each of which joins ends of the plurality of bone parts together. The plurality of bone parts are such that an average AV (A0/A1) of a ratio A0/A1 of a cross-sectional area A0 of an end 2B22 on a bone constant part side of a bone change part to a cross-sectional area A1 of an end 2B21 on a joining part side of the bone change part in each of the plurality of bone parts satisfies 0.15 ≤ AV (A0/A1) < 0.5.
(FR)
L'invention porte sur un corps en mousse à base de résine (1) qui est un corps en mousse à base de résine constitué d'une résine présentant une certaine flexibilité. Le corps en mousse à base de résine est pourvu d'une partie squelette sur sa totalité. La partie squelette comporte une pluralité de parties osseuses (2B) et une pluralité de parties de jonction (2J), chacune d'elles reliant les extrémités de la pluralité de parties osseuses entre elles. La pluralité de parties osseuses sont telles qu'une moyenne AV (A0/A1) d'un rapport A0/A1 d'une section transversale (A0) d'une extrémité (2B22) sur un côté de partie osseuse constante d'une partie de changement osseux à une section transversale (A1) d'une extrémité (2B21) sur un côté de partie de jonction de la partie de changement osseux dans chacune de la pluralité de parties osseuses satisfait la condition 0,15 ≤ AV (A0/A1) < 0,5.
(JA)
樹脂発泡体1は、可撓性のある樹脂から構成された樹脂発泡体であって、樹脂発泡体は、その全体にわたって、骨格部2を備えており、骨格部は、複数の骨部2Bと、それぞれ複数の骨部の端部どうしを結合する、複数の結合部2Jと、を有しており、複数の骨部は、複数の骨部のそれぞれにおける、骨変化部の結合部側の端2B21の断面積A1に対する、骨変化部の骨一定部側の端2B22の断面積A0の比A0/A1の平均値AV(A0/A1)が、 0.15≦AV(A0/A1)<0.5 を満たす。
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