E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
317/3
E04F 15/16 (2006.01) A47G 11/00 (2006.01) B32B 7/02 (2006.01) B32B 33/00 (2006.01) D06N 7/00 (2006.01) E04F 15/10 (2006.01) H05F 3/02 (2006.01)
Patent
CA 1252148
A B S T R A C T Electrically conductive table or floor covering, comprising an under layer of electrically conductive rubber or plastic connected by a metallic conductor to a ground wire, and having an upper layer located on top of the under layer. The upper layer has a higher electrical resistance than the under layer, and the under layer has projections extending therefrom in closely adjacent surface regions, such projections completely penetrating the upper layer to the surface thereof. The under layer is covered on its surface opposite the upper layer with an isolating layer of relatively high electrical resistance, and the metallic conductor having adjustably variable resistance. This construction provides a standardized, electrically conductive table or floor covering, which is impervious to the effects of water and abrasive wear and tear and meets the safety standard applicable to rooms wherein antistatic coverings are required. It is also possible to provide the table or floor covering with a light-coloured or colourful upper surface, if desired.
485978
Graab Gerhard
Kuhl Hans M.
Schutze Gerhard
Borden Ladner Gervais Llp
Carl Freudenberg Kg
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