Conveyors: power-driven – Conveyor section – Endless conveyor
Reexamination Certificate
2007-05-29
2007-05-29
Hess, Douglas A. (Department: 3651)
Conveyors: power-driven
Conveyor section
Endless conveyor
C198S810020, C198S810030, C340S676000, C156S137000
Reexamination Certificate
active
10823147
ABSTRACT:
Conveyors, chutes, skids, guides, and ways for the transporting of material are formed of a conductive loaded resin-based material such that fragments of these structures can be detected by a metal detector. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The ratio of the weight of the conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers to the weight of the base resin host is between about 0.20 and 0.40. The micron conductive powders are formed from non-metals, such as carbon, graphite, that may also be metallic plated, or the like, or from metals such as stainless steel, nickel, copper, silver, that may also be metallic plated, or the like, or from a combination of non-metal, plated, or in combination with, metal powders.
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Cassel Messtechnik GmbH, Carl-Gieseck-Str. 3, 37079 Gottingen, Germany.
Hess Douglas A.
Integral Technologies, Inc.
Schnabel Douglas
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