Vacuum heat insulator
US7947347B2 · kind B2 · utility
1Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2005 |
| Grant date | May 24, 2011 |
| Priority date | — |
| Expiry date | Jul 7, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/231
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention provides a heat insulator that is extremely low in environmental load during production and recycling, is superior in handleability and workability, and shows favorable heat-insulating properties over an extended period of time.The present invention relates to vacuum heat insulator, comprising at least a core member and an external packaging member that stores the core member and can keep inside under reduced pressure, wherein the core member is a sheet-shaped fiber aggregate containing a polyester fiber having fiber size of 1 to 6 deniers in an amount of 50 wt % or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.