Molded article of foamed and expanded beads of propylene resin
US6034144A · kind A · utility
46Cited by
40References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1999 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Jun 10, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/16
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is an molded article of foamed and expanded beads of a propylene resin, which is obtained by heating and molding the foamed beads of the propylene resin, wherein the apparent density of the molded article is 0.11 to 0.45 g/cm.sup.3, a value obtained by dividing its maximum bending strength (kgf/cm.sup.2) determined in accordance with JIS K 7221 by the apparent density (g/cm.sup.3) is at least 160 (kgf/cm.sup.2)/(g/cm.sup.3), and the average number of cells at its section is within a range of 5 to 100 cells/mm.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.