Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB36341/30A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrical Research Products IncfiledCriticalElectrical Research Products Inc
Publication of GB346326ApublicationCriticalpatent/GB346326A/en
H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
H01B11/00—Communication cables or conductors
H01B11/02—Cables with twisted pairs or quads
H01B11/12—Arrangements for exhibiting specific transmission characteristics
H01B11/14—Continuously inductively loaded cables, e.g. Krarup cables
H01B11/143—Continuously inductively loaded cables, e.g. Krarup cables using helically wound magnetic tape
Landscapes
Insulated Conductors
(AREA)
Abstract
In the manufacture of an electric cable, the conductor is coated with a black enamel which consists mainly of castor oil, gilsonite, and elaterite, and which is subjected to a heat treatment at a high temperature.