Vacuum insulation material, insulation case unit, and refrigerator
US9464751B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2014 |
| Grant date | Oct 11, 2016 |
| Priority date | — |
| Expiry date | Apr 25, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/231
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vacuum insulation material having bending formability while restraining reduction in a gas barrier property of a sheathing material. The vacuum insulation material includes a pouch-shaped sheathing material having a gas barrier property and a core received in the sheathing material as a spacer, the vacuum insulation material having a bendable region, a first surface, and a second surface opposite to the first surface, wherein at least one of the first and second surfaces in the bendable region is provided with a plurality of grooves extending at intervals, the grooves include a pair of outer grooves formed in the bendable region and a plurality of inner grooves formed inside the outer grooves, and an interval between each outer groove and a corresponding one of the inner grooves adjacent to each outer groove is greater than an interval between the inner grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.