GB863371A - Improvements in and relating to the vulcanization of electrical cables - Google Patents

Improvements in and relating to the vulcanization of electrical cables

Info

Publication number
GB863371A
GB863371A GB24442/57A GB2444257A GB863371A GB 863371 A GB863371 A GB 863371A GB 24442/57 A GB24442/57 A GB 24442/57A GB 2444257 A GB2444257 A GB 2444257A GB 863371 A GB863371 A GB 863371A
Authority
GB
United Kingdom
Prior art keywords
mould
electric heating
recesses
shells
vulcanization
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
GB24442/57A
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.)
CIE AUXILIAIRE D ELECTRICITE E
Original Assignee
CIE AUXILIAIRE D ELECTRICITE E
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 CIE AUXILIAIRE D ELECTRICITE E filed Critical CIE AUXILIAIRE D ELECTRICITE E
Publication of GB863371A publication Critical patent/GB863371A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

863,371. Moulding coverings on electric cables. COMPAGNIE AUXILIAIRE D'ELECTRICITE ET ENTREPRISE. Aug. 1, 1957 [Aug. 27, 1956; Dec. 10, 1956], No. 24442/57. Class 87(2). [Also in Group XI] A mould for vulcanizing the insulating sheaths of electric cables comprises two shells hinged together and having recesses co-operating to form a bore to receive the cable and having electric heating elements of the screened type embedded therein, the shells being sufficiently massive to enable the vulcanization to be effected without overheating the cable when the mould is heated by the electric heating elements or by a burner flame when electricity is not available. In a mould for vulcanizing insulation around a T-shaped cable joint the mould shells 11, 12 each contain a T-shaped recess 15 and are of light metal, e.g. aluminium or aluminium alloy, having embedded therein a screen type tubular electric heating element 51 or 52. Recesses 53, 54 are also provided to receive any overflow of the insulating material during vulcanization. To enable the mould to be used with cables of various pre-selected diameters annular sleeves 62 of various internal diameters may be placed in the ends of the T-shaped mould cavity. The temperature of the mould during vulcanization may be measured by a thermometer 74, the stem of which may be placed in one of two recesses 71, 72. In an alternative embodiment the electric heating elements are energized through a fuse which is adapted to melt when the desired heating period has elapsed.
GB24442/57A 1956-08-27 1957-08-01 Improvements in and relating to the vulcanization of electrical cables Expired GB863371A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863371X 1956-08-27

Publications (1)

Publication Number Publication Date
GB863371A true GB863371A (en) 1961-03-22

Family

ID=9343200

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24442/57A Expired GB863371A (en) 1956-08-27 1957-08-01 Improvements in and relating to the vulcanization of electrical cables

Country Status (1)

Country Link
GB (1) GB863371A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140425A (en) * 1983-05-27 1984-11-28 Richard Simpson Vulcanising apparatus
US5437342A (en) * 1992-11-20 1995-08-01 Powada; Frederick Drill string protection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140425A (en) * 1983-05-27 1984-11-28 Richard Simpson Vulcanising apparatus
US5437342A (en) * 1992-11-20 1995-08-01 Powada; Frederick Drill string protection

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