Method of monitoring the application of cellular plastic insulation to elongated conductive material

The capacitance and diameter-over-dielectric of successive sections of a conductor having a layer of cellular plastic insulation extruded thereon are monitored continuously. The monitoring provides a continuous indication of the capacitance and the diameter with respect to the percent expansion of t...

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Bibliographische Detailangaben
Hauptverfasser:	CEREIJO, MANUEL RAMON, DOUGHERTY, TIMOTHY STEPHEN
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRICITY INSULATORS MAKING GRANULES OR PREFORMS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PERFORMING OPERATIONS PHYSICS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TESTING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The capacitance and diameter-over-dielectric of successive sections of a conductor having a layer of cellular plastic insulation extruded thereon are monitored continuously. The monitoring provides a continuous indication of the capacitance and the diameter with respect to the percent expansion of the cellular plastic insulation and the weight of the insulation per unit length of the conductor. This facilitates the regulation of process variables to maintain the capacitance and diameter-over-dielectric within acceptable ranges of values.