CA1077889A - Manufacture of covered electric cables - Google Patents

Manufacture of covered electric cables

Info

Publication number
CA1077889A
CA1077889A CA265,169A CA265169A CA1077889A CA 1077889 A CA1077889 A CA 1077889A CA 265169 A CA265169 A CA 265169A CA 1077889 A CA1077889 A CA 1077889A
Authority
CA
Canada
Prior art keywords
die
core
dies
orifice
ring die
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
CA265,169A
Other languages
English (en)
French (fr)
Inventor
David Falconer
Peter Pasemko
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.)
Pirelli General Cable Works Ltd
Original Assignee
Pirelli General Cable Works Ltd
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 Pirelli General Cable Works Ltd filed Critical Pirelli General Cable Works Ltd
Application granted granted Critical
Publication of CA1077889A publication Critical patent/CA1077889A/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
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Of Electric Cables (AREA)
CA265,169A 1975-11-18 1976-11-08 Manufacture of covered electric cables Expired CA1077889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47467/75A GB1570386A (en) 1975-11-18 1975-11-18 Manufacture of covered electric cables

Publications (1)

Publication Number Publication Date
CA1077889A true CA1077889A (en) 1980-05-20

Family

ID=10445081

Family Applications (1)

Application Number Title Priority Date Filing Date
CA265,169A Expired CA1077889A (en) 1975-11-18 1976-11-08 Manufacture of covered electric cables

Country Status (8)

Country Link
AR (1) AR208846A1 (it)
AU (1) AU503492B2 (it)
CA (1) CA1077889A (it)
ES (1) ES224756Y (it)
FR (1) FR2332597A1 (it)
GB (1) GB1570386A (it)
IT (1) IT1064287B (it)
MX (1) MX147776A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2631884A1 (fr) * 1988-05-25 1989-12-01 Swisscab E Kertscher Sa Procede et appareil pour extruder une gaine isolante sur un conducteur a profil transversal non circulaire

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2360097A (en) * 1940-03-21 1944-10-10 Du Pont Apparatus for manufacture of coated products
GB780065A (en) * 1953-09-30 1957-07-31 Shardlow Electric Wires Ltd Improvements relating to the manufacture of insulated cables
FR1579355A (it) * 1967-09-08 1969-08-22
US3859017A (en) * 1969-02-20 1975-01-07 Rol Extrusion of sheath onto elongated support using decompression zones
DE1957078C3 (de) * 1969-11-10 1979-09-20 Mannesmann Ag, 4000 Duesseldorf Extruderkopf
GB1396707A (en) * 1971-11-05 1975-06-04 Delta Enfield Cables Ltd Extrusion apparatus
NL7416242A (nl) * 1973-12-20 1975-06-24 Gen Electric Extrusiekop met variabele opening.

Also Published As

Publication number Publication date
AU1952276A (en) 1978-05-18
GB1570386A (en) 1980-07-02
MX147776A (es) 1983-01-12
ES224756Y (es) 1977-06-01
AU503492B2 (en) 1979-09-06
FR2332597A1 (fr) 1977-06-17
AR208846A1 (es) 1977-02-28
ES224756U (es) 1977-02-01
IT1064287B (it) 1985-02-18

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Legal Events

Date Code Title Description
MKEX Expiry