Method for producing skin-covered polyolefin resin foamed molded article
US10232534B2 · kind B2 · utility
1Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2014 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Apr 6, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/3005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for producing a skin-covered polyolefin-based resin foamed molded article, including blow-molding a polyolefin parison into a skin defining a hollow space; and placing multi-layered polyolefin expanded beads in the hollow space; and heating the expanded beads placed in the hollow space to fuse-bond the expanded beads together and to fuse-bond the expanded beads to the skin, wherein the expanded beads have specific apparent density, specific average diameter, specific endothermic peaks in their DSC curve and specific melting point characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.