Electrical connectors – With external conductor or cable embedded in insulative...
Reexamination Certificate
2010-05-26
2011-10-25
Duverne, Jean (Department: 2839)
Electrical connectors
With external conductor or cable embedded in insulative...
Reexamination Certificate
active
08043119
ABSTRACT:
Disclosed is type THHN cable having a reduced surface coefficient of friction, and the method of manufacture thereof, in which the central conductor core and insulating layer are surrounded by a nylon sheath. A high viscosity, high molecular weight silicone based pulling lubricant for THHN cable, or alternatively, erucamide or stearyl erucamide for small THHN gauge wire, is incorporated, by alternate methods, with the nylon material from which the outer sheath is extruded, and is effective to reduce the required pulling force on the cable during installation.
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Armstrong John
Chambers Terry
Kummer Randy D.
Lam Hai
Reece David
Duverne Jean
Gardere Wynne & Sewell LLP
Southwire Company
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