Shutter shields (R) vertical travel et al.
US4326360A · kind A · utility
Inventor
Key dates
| Filing date | Aug 7, 1979 |
| Grant date | Apr 27, 1982 |
| Priority date | — |
| Expiry date | Aug 7, 1999 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/007
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A thermal shutter device with vertical travel for use in combination with a window unit comprising a window frame & glass panels mounted in the window frame which is installed in a building outer periphery walls such as a dwelling, this device which is a thermal insulation construction comprising at least two thermal shutters with vertical travel & means to seal said thermal shutter device to create a sealed chamber between shutter device & window construction, the shutters can be of laminate construction with rigid insulation mounted in vertical track allowing shutters to slide up & down on compressible insulation slide means, when in closed mode they will greatly reduce heat transfer or infiltration either direction through said window construction, therefore reducing energy used to heat or cool said building, therefore helping our countries energy conservation program.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.