Stock material or miscellaneous articles – Composite – Of quartz or glass
Patent
1997-01-28
1998-05-05
Loney, Donald
Stock material or miscellaneous articles
Composite
Of quartz or glass
428 34, 428432, 428433, 428434, 428699, 428701, 428702, 428911, 89 3602, 359353, 359359, 359360, 359885, 296 972, 527861, B32B 1706, G02B 508
Patent
active
057471703
ABSTRACT:
A bombardment-inhibiting bulletproof glass pane for automobiles, composed of a plurality of silicate glass sheets (16, 17, 18, 19), connected together by thermoplastic intermediate layers (20, 21, 22). The pane may also comprise a silicate glass sheet (16) having a high absorption action in the spectral range from 780 to 1,200 nm. This silicate glass sheet (16) or another of the glass sheets (17, 18, 19) constituting the bulletproof glass pane may be provided, on one of its surfaces, with a partially reflecting surface coating (23), which has a high reflection in the spectral range of 780 to 1,200 nm. The bulletproof glass pane has, in total, a total light transmittance of less than 15%, and preferably of less than 10% in the spectral range from 780 to 1,200 nm. Bulletproof glass panes constructed in this manner offer a high security during night travel, because they are non-transparent to infrared sighting devices and noctovisers (night viewing devices).
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Alpen Ulrich Von
Sauer M. Gerd
Loney Donald
Saint-Gobain Vitrage
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