LAMINATED GLAZING
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United States of America Patent
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N/A
Issued Date -
Mar 29, 2012
app pub date -
May 18, 2010
filing date -
May 19, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A fire-resistant laminated glazing comprising at least two glazing panes and at least one transparent intumescent interlayer between the glazing panes, said glazing panes being separated by a spacer extending at least partially around their peripheries so as to define a cavity to contain said interlayer, wherein the spacer comprises a shim for controlling the separation between the glazing panes to a predetermined distance and a rubber portion at least partially enclosing the shim, and wherein the interlayer comprises an alkali metal silicate.
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