Thermal insulating panel
US4745015A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1983 |
| Grant date | May 17, 1988 |
| Priority date | — |
| Expiry date | Apr 18, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31692
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An improved vacuum panel of double wall construction comprising: PA0 (a) two walls of a structurally stable material containing at least one metal layer of at least 0.125 mm in thickness; PA0 (b) edges of a normally solid plastic material which have been rendered substantially impermeable to gases, said edges being affixed by means of an adhesive layer to the walls such that an evacuated space is enclosed between the walls of the panel, and PA0 (c) a gas-absorbing material residing in the evacuated space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.