GB335147A - Improvements in protecting sheaths for electric wires - Google Patents

Improvements in protecting sheaths for electric wires

Info

Publication number
GB335147A
GB335147A GB8155/30A GB815530A GB335147A GB 335147 A GB335147 A GB 335147A GB 8155/30 A GB8155/30 A GB 8155/30A GB 815530 A GB815530 A GB 815530A GB 335147 A GB335147 A GB 335147A
Authority
GB
United Kingdom
Prior art keywords
sheath
notches
sides
electric wires
protecting
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
GB8155/30A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB335147A publication Critical patent/GB335147A/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
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/202—Longitudinal lapped metal tubes

Abstract

335,147. Escol, J. March 27, 1929, [Convention date]. Armouring cables.-To facilitate bending of a cable, a rigid metal rectangular protecting sheath 1, preferably formed of electrolytic zinc, has series of notches 3, 3<1> in its sides. The notches 3 in the large sides of the sheath 1 are opposite each other and staggered with respect to the opposed notches 3<1> in the small sides of the sheath. The edges of the sheath 1 are joined over the electric cores 2 by a clasp joint 1<1> which may be welded.
GB8155/30A 1929-03-27 1930-03-13 Improvements in protecting sheaths for electric wires Expired GB335147A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE335147X 1929-03-27

Publications (1)

Publication Number Publication Date
GB335147A true GB335147A (en) 1930-09-18

Family

ID=3867896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8155/30A Expired GB335147A (en) 1929-03-27 1930-03-13 Improvements in protecting sheaths for electric wires

Country Status (1)

Country Link
GB (1) GB335147A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336798A (en) * 1980-10-06 1982-06-29 Anthony V. Beran Medical corrugated respiratory tube
GB2128392A (en) * 1982-09-30 1984-04-26 Hubbell Inc Harvey Electrical cable
US4490577A (en) * 1983-04-14 1984-12-25 Harvey Hubbell Incorporated Electrical cable for use in extreme environments

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336798A (en) * 1980-10-06 1982-06-29 Anthony V. Beran Medical corrugated respiratory tube
GB2128392A (en) * 1982-09-30 1984-04-26 Hubbell Inc Harvey Electrical cable
US4453035A (en) * 1982-09-30 1984-06-05 Harvey Hubbell Incorporated Oil well cable
US4490577A (en) * 1983-04-14 1984-12-25 Harvey Hubbell Incorporated Electrical cable for use in extreme environments

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