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
GB3226739A
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Individual
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Individual
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Priority to GB3226739ApriorityCriticalpatent/GB537511A/en
Publication of GB537511ApublicationCriticalpatent/GB537511A/en
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
H01B7/29—Protection against damage caused by extremes of temperature or by flame
H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Landscapes
Organic Insulating Materials
(AREA)
Abstract
537,511. Fibrous compositions. GRAY, J. Dec. 14, 1939, No. 32267. [Class 70] [Also in Group XXXVI] As a bedding for steel wire or other armouring soft asbestos fibre is mixed with pitch compound, petroleum residues, or bitumen, or coal-tar pitch, to form strips which are lapped on the cable or applied longitudinally. The amouring itself may be similarly protected.
GB3226739A1939-12-141939-12-14Improvements in electric cables
ExpiredGB537511A
(en)