INSULATED CURTAIN WALL CONSTRUCTION
United States Patent 3466826
US Patent References:
/0960677.html
- - 0960677

Metallic sash
- - 1832847

Field fabricated curtain wall construction
- - 2985263

Curtain wall assembly
- - 3052330

Insulating unit for curtain wall
- - 3093217


Inventors:
Gallagher, Raymond G.
Mazzoni, Renato J.
Dauson, Samuel
Publication Date:
09/16/1969
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Assignee:
PPG INDUSTRIES INC
Primary Class:
52/395
Other Classes:
52/235, 49/DIG.001, 52/464, 52/208
International Classes:
E04B2/96; E06B3/263; E04B2/88; E06B3/04; E04B2/88
US Patent References:
3099337Thermal barrier and connector member for inner and outer window frames
3309122Locking device for mouldings
3336707Structural gasket curtain wall
Foreign References:
IT632393B
CH69594A




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