Method for producing skin-covered foamed molded article and resulting product
US9636854B2 · kind B2 · utility
1Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2015 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Nov 5, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/233
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for producing a skin-covered foamed molded article includes blow molding a parison into a skin and heating expanded polystyrene beads filled in a hollow space of the skin to form a foam layer fuse-bonded to the skin, polystyrene resin composition having specific Charpy impact strength, MFR and branching degree. The skin of the skin-covered foamed molded article is formed of the specific polystyrene resin composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.