A resin foamed body 1 is a resin foamed body made of flexible resin, the resin foamed body entirely includes a skeleton part 2, the skeleton part includes a plurality of bone parts 2B and a plurality of connection parts 2J connecting end parts of a plurality of bone parts, and an average value AV(A0/A1) of a ratio A0/A1 of cross-sectional area A0 of a bone change part of each bone part at an edge 2B22 on a bone constant part side relative to cross-sectional area A1 of the bone change part at an edge 2B21 on the connection part side satisfies0.15≤AV(A0/A1)<0.5.
RESIN FOAMED BODY
2022-02-24
Patent
Electronic Resource
English
IPC: | B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
European Patent Office | 2019
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