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Insulating spandrel glazing unit
| Details |
Inventors: Cypher, James H.;
Assignee: PPG Industries, Inc. (Pittsburgh, PA)
Primary Examiner: Faw, Jr.; Price C.
Assistant Examiner: Braun; Leslie
Attorney, Agent or Firm: Millman; Dennis G.
Disclosed is an insulating, hermetically sealed, glazing unit comprised of a transparent, strengthened glass panel and a metal panel disposed in opposed, spaced relation to each other, marginal edge spacing means defining with said panel a continuous, hermetically sealed space therebetween and desiccant material in communication with said space between said panels. |
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DETAILED DESCRIPTION I claim: 1.
An insulating spandrel glazing unit comprising no more than one transparent, strengthened, glass panel and no more than one metal panel disposed in opposed, spaced relation to each other, said metal panel having a thickness substantially less than the thickness of said glass panel and being visible through said glass panel, the entire inner visible surface of said metal panel being provided with a uniform, continuous finish so as to present a uniform, continuous appearance through said glass panel, and marginal edge spacer means defining with said panels a closed, hermetically sealed space therebetween, wherein said glass panel has a transparent coating on its inner surface and said metal panel has a coating on its inner surface.
2.
The glazing unit of claim 1 wherein said transparent coating is reflective.
3.
The glazing unit of claim 1 wherein said metal panel is a galvanized steel panel.
4.
An insulating spandrel glazing unit comprising no more than one transparent, strengthened, glass panel and no more than one metal panel disposed in opposed, spaced relation to each other, said metal panel having a thickness substantially less than the thickness of said glass panel and being visible through said glass panel, the entire inner visible surface of said metal panel being provided with a uniform, continuous finish so as to present a uniform, continuous appearance through said glass panel, and marginal edge spacer means defining with said panels a closed, hermetically sealed space therebetween, wherein said glass panel is tinted and said metal panel has a coating on its inner surface.
5.
An insulating spandrel glazing unit comprising no more than one transparent, strengthened, glass panel and no more than one metal panel disposed in opposed, spaced relation to each other, said metal panel having a thickness substantially less than the thickness of said glass panel and being visible through said glass panel, the entire inner visible surface of said metal panel being provided with a uniform, continuous finish so as to present a uniform, continuous appearance through said glass panel, and marginal edge spacer means defining with said panels a closed, hermetically sealed space therebetween wherein said glass panel is tinted and has a transparent coating on its inner surface and said metal panel has a coating on its inner surface
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