Three-piece frame assembly for window of enclosure
US7257927B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 15, 2003 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Sep 28, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23G2209/18
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Frames are disclosed for mounting windows within the walls of enclosures for isolating or sealing substances such as radioactive or other hazardous substances from the surrounding environment. In a first embodiment of the present invention, a window assembly includes a two-piece frame that is welded into the wall of an enclosure. In a second embodiment of the present invention, a window assembly includes a three-piece frame that is clamped to the wall of an enclosure. The frame assemblies may also be used to mount structures other than windows to enclosure walls, such as ducts or pipes intended for passing power, gas, vacuum, or other utilities into the interior of an enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.