Shutter shields (TM) in combination with an outer and inner glass area means
US4365441A · kind A · utility
Inventor
Key dates
| Filing date | Mar 16, 1981 |
| Grant date | Dec 28, 1982 |
| Priority date | — |
| Expiry date | Mar 16, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2003/262
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A thermal Shutter Shield (R) device comprised of an outer periphery support frame which supports an outer glass area means and an inner glass area means in a parallel mode, the glass area means are normally called windows, glass sliding doors or glass walls including a glass peripheral frame and a glass panel installed therein, the device is further comprised of a Shutter Shield unit spaced between the glass areas, having one or more sets of horizontal and parallel extending tracks which are vertically spaced a distance at least equal to the height dimension of the glass area units, the tracks extend parallel to the plane of the glass area and beyond at least one side of the side edges of the glass area unit, a laminate insulative Shutter Shield is mounted in the track for movement between positions at the side of the glass area unit and in front thereof to block off the entirety of the glass area, the laminate insulative shield includes a frame movably supported on the track and has an imperforate surface layer and an insulation layer material mounted side by side in the frame, the imperforate surface provides a rigidifying support for the rather fragile insulation material, and a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.