Foaming particle molded body

US11111351B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11111351-B2
Application numberUS-201816491456-A
CountryUS
Kind codeB2
Filing dateMar 1, 2018
Priority dateMar 6, 2017
Publication dateSep 7, 2021
Grant dateSep 7, 2021

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The present invention relates to an expanded beads molded article, which is obtained through in-mold molding of expanded thermoplastic elastomer beads, has voids, and has a density of 150 to 300 kg/m3 and a voidage of 10 to 70% by volume.

First claim

Opening claim text (preview).

The invention claimed is: 1. An expanded beads molded article, which is obtained through in-mold molding of expanded thermoplastic elastomer beads, comprises voids among expanded beads, and has a density of 150 to 300 kg/m 3 and a voidage of 10 to 70% by volume. 2. The expanded beads molded article according to claim 1 , wherein in the measurement of a compression set at 23° C. on a basis of JIS K6767:1999, the compression set of the expanded beads molded article 30 minutes after completion of compression is 7% or less. 3. The expanded beads molded article according to claim 1 , wherein a tensile strength at break of the expanded beads molded article is 0.3 MPa or more. 4. The expanded beads molded article according to claim 1 , wherein a modulus of repulsion elasticity of the expanded beads molded article is 50% or more. 5. The expanded beads molded article according to claim 1 , wherein a modulus of repulsion elasticity of the thermoplastic elastomer constituting the expanded beads molded article is from 30 to 50%. 6. The expanded beads molded article according to claim 1 , wherein the thermoplastic elastomer constituting the expanded beads molded article is a thermoplastic urethane elastomer having a type A durometer hardness of 95 or less.

Assignees

Inventors

Classifications

  • CO2, N2 or noble gases · CPC title

  • C08J9/18Primary

    by impregnating polymer particles with the blowing agent · CPC title

  • in the form of expandable granules, particles or beads · CPC title

  • for articles of definite length, i.e. discrete articles · CPC title

  • Polyurethanes · CPC title

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Frequently asked questions

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What does patent US11111351B2 cover?
The present invention relates to an expanded beads molded article, which is obtained through in-mold molding of expanded thermoplastic elastomer beads, has voids, and has a density of 150 to 300 kg/m3 and a voidage of 10 to 70% by volume.
Who is the assignee on this patent?
Jsp Corp
What technology area does this patent fall under?
Primary CPC classification C08J9/18. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Sep 07 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).