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
Priority claimed from DE19681640763external-prioritypatent/DE1640763A1/de
Application filedfiledCritical
Publication of BE727956ApublicationCriticalpatent/BE727956A/xx
H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
H01B7/00—Insulated conductors or cables characterised by their form
H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid