GB816633A - Improvements in or relating to electric cables - Google Patents

Improvements in or relating to electric cables

Info

Publication number
GB816633A
GB816633A GB2108856A GB2108856A GB816633A GB 816633 A GB816633 A GB 816633A GB 2108856 A GB2108856 A GB 2108856A GB 2108856 A GB2108856 A GB 2108856A GB 816633 A GB816633 A GB 816633A
Authority
GB
United Kingdom
Prior art keywords
hawser
cable
sheath
grooves
cables
Prior art date
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
GB2108856A
Inventor
Heinrich Hermann Grunwald
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.)
Post Office
Original Assignee
Post Office
Filing date
Publication date
Application filed by Post Office filed Critical Post Office
Publication of GB816633A publication Critical patent/GB816633A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/221—Longitudinally placed metal wires or tapes

Landscapes

  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

816,633. Reinforcing, laying and suspending cables. POSTMASTER GENERAL. July 5, 1957 [July 6, 1956; Aug. 14, 1956], Nos. 21088/56 and 24881/56. Class 36. The outer sheath 2 of a cable 1 is provided with one or more longitudinal grooves 3, each of which receives and grips a supporting hawser 5. The cable may be eccentric with respect to the sheath, which may be of polythene. The mouth 4 of groove 3 is narrower than the diameter of the hawser 5 so that the latter may be inserted in the grooves by distortion of the lips 6 which then restore to their original position to grip the hawser. The sheath may be formed with additional grooves or longitudinal passages 7 to reduce the weight of the cable. Strengthening wires or additional conductors may be accommodated in the passages 7. The sheath 2 may be discontinuous along the length of the cable so that the hawser is held only at intervals. The hawser may act as a messenger wire for overhead cables or as a reinforcement for submarine or underground cables, and may be forced into the groove during laying.
GB2108856A 1956-07-06 Improvements in or relating to electric cables Expired GB816633A (en)

Publications (1)

Publication Number Publication Date
GB816633A true GB816633A (en) 1959-07-15

Family

ID=1735923

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2108856A Expired GB816633A (en) 1956-07-06 Improvements in or relating to electric cables

Country Status (1)

Country Link
GB (1) GB816633A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107680729A (en) * 2017-11-06 2018-02-09 山东中船线缆股份有限公司 A kind of cable for ship with self-retaining function
WO2019090812A1 (en) * 2017-11-09 2019-05-16 昆山信昌电线电缆有限公司 Cable special for transfer robot lifting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107680729A (en) * 2017-11-06 2018-02-09 山东中船线缆股份有限公司 A kind of cable for ship with self-retaining function
WO2019090812A1 (en) * 2017-11-09 2019-05-16 昆山信昌电线电缆有限公司 Cable special for transfer robot lifting device

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