Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1985-09-06
1987-08-04
Van Balen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
4283177, 4283191, 428332, 428337, 428339, 428441, 428442, B32B 326, B32B 712
Patent
active
046845712
ABSTRACT:
A light diffusing, insulating glass element is disclosed comprising two thin silicate glass panels (1, 2) each about 2 mm thick, and a thick intermediary layer (3) about 15 to 20 mm thick. The intermediary layer (3) is made from a foamed-up acrylate glass having closed bubbles. This layer has a specific weight of approximately 20 to 30 kg/m.sup.3 and a light transmissivity of 60 to 80% for a layer thickness of 20 mm. A shatterproofing splinter-bonding transparent layer (5) is located between one of the glass panels (1, 2) and the intermediate layer (3) and is bonded to them. The other glass panel is bonded to the intermediate layer (3) by means of a thin adhesive coat.
The insulating glass element is light and, because of its safety-glass properties, is particularly well suited for ceiling use.
REFERENCES:
patent: 2205534 (1940-06-01), Lytle
patent: 3160925 (1964-12-01), Gort
patent: 3177109 (1965-04-01), Ziegler
patent: 3440130 (1969-04-01), Telkes
patent: 3471356 (1969-10-01), Kolb et al.
patent: 4046951 (1977-09-01), Stefanik
Jmacryl Foam brochure, JMC Acrylguss GmbH & Co. KG, Remscheid (no date), 12 pages.
Jbach Hermann-Wolf
Kunert Heinz
JMC Acrylguss GmbH & Co.
Van Balen William J.
Vegla Vereinigte Glaswerke GmbH
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