US 12,109,742 B2
Space filling material and space filling structure, and methods for using those
Satoshi Katsuya, Okayama (JP); Ryokei Endo, Tokyo (JP); Yosuke Washitake, Okayama (JP); and Shunsuke Suiko, Osaka (JP)
Assigned to KURARAY CO., LTD., Kurashiki (JP)
Filed by KURARAY CO., LTD., Kurashiki (JP)
Filed on Sep. 2, 2021, as Appl. No. 17/464,744.
Application 17/464,744 is a continuation of application No. PCT/JP2020/002869, filed on Jan. 28, 2020.
Claims priority of application No. 2019-046240 (JP), filed on Mar. 13, 2019.
Prior Publication US 2021/0394406 A1, Dec. 23, 2021
Int. Cl. B32B 7/02 (2019.01); B29C 44/34 (2006.01); D04H 1/488 (2012.01); C08L 101/12 (2006.01)
CPC B29C 44/3492 (2013.01) [D04H 1/488 (2013.01); C08L 101/12 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A space filling material comprising:
reinforcing fibers as an expansion material, the reinforcing fibers forming a plurality of intersections, and,
a resin bonding at least one of the intersections;
the space filling material generating an expansion stress upon heating in at least a thickness direction such that the space filling material fills a predetermined space, wherein:
the resin is a thermoplastic resin; and
the thermoplastic resin has a glass transition temperature of 100° C. or higher.