Three-piece frame assembly for window of enclosure

Details Three-piece frame assembly for window of enclosure Three-piece frame assembly for window of enclosure

2007-08-21

2007-08-21

Friedman, Carl D. (Department: 3635)

Static structures (e.g., buildings)

Viewing port for specific environment

C052S204720, C052S204597, C312S001000, C976SDIG036

Reexamination Certificate

active

10641832

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.

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French Preliminary Research Report, dated Mar. 15, 2006 (2 pages).

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