Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Reexamination Certificate
2003-07-25
2008-12-02
Mayo, III, William H (Department: 2831)
Electricity: conductors and insulators
Conduits, cables or conductors
Insulated
C174S1130AS, C174S12000C
Reexamination Certificate
active
07459635
ABSTRACT:
A process for manufacturing an electric cable. In particular, the process includes the steps of: a) feeding a conductor at a predetermined feeding speed; b) extruding a thermoplastic insulating layer in a position radially external to the conductor; c) cooling the extruded insulating layer; and d) forming a circumferentially closed metal shield around the extruded insulating layer. The process may be carried out continuously, i.e., the time occurring between the end of the cooling step and the beginning of the shield forming step is inversely proportional to the feeding speed of the conductor.
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Bareggi Alberto
Belli Sergio
Dell'Anna Gaia
Donazzi Fabrizio
Scelza Cristiana
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Mayo, III William H
Prysmian Cavi E Sistemi Energia S.R.L.
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