Invention Grant
- Patent Title: Skin-covered foamed molded article
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Application No.: US16645420Application Date: 2018-09-14
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Publication No.: US11338546B2Publication Date: 2022-05-24
- Inventor: Tomoo Tokiwa
- Applicant: JSP CORPORATION
- Applicant Address: JP Tokyo
- Assignee: JSP CORPORATION
- Current Assignee: JSP CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JPJP2017-183754 20170925
- International Application: PCT/JP2018/034313 WO 20180914
- International Announcement: WO2019/059142 WO 20190328
- Main IPC: B32B5/24
- IPC: B32B5/24 ; B29B11/06 ; B29B11/16 ; B29C44/14 ; B29C44/44 ; B32B27/20 ; B32B27/32 ; C08J9/00 ; C08J9/228 ; B29K23/00 ; B29K309/08 ; B29L9/00

Abstract:
A skin-covered foamed molded article having excellent lightweight property, bending rigidity, and favorable dimensional stability, which includes: a skin material composed of a hollow molded body produced by blow-molding an extruded parison; and an expanded bead molded article located inside the skin material, wherein the skin material has an average wall thickness of from 1.0 mm to 5.0 mm, the skin material includes a glass fiber-reinforced polypropylene-based resin containing glass fiber in a range of from 5 mass % to 30 mass %, the glass fiber has a weight-average fiber length of from 0.4 mm to 1.5 mm, the expanded bead molded article includes a polypropylene-based resin, the peeling strength between the skin material and the expanded bead molded article is 0.1 MPa or higher, and the longitudinal linear expansion coefficient of the skin-covered foamed molded article (100) at from 23° C. to 80° C. is 7×10−5/° C. or lower.
Public/Granted literature
- US20200282695A1 SKIN-COVERED FOAMED MOLDED ARTICLE Public/Granted day:2020-09-10
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