CH501984A - Cavo elettrico isolato in una pluralità di strati di gomma o di materiale sintetico e procedimento per la sua fabbricazione - Google Patents

Cavo elettrico isolato in una pluralità di strati di gomma o di materiale sintetico e procedimento per la sua fabbricazione

Info

Publication number
CH501984A
CH501984A CH402569A CH402569A CH501984A CH 501984 A CH501984 A CH 501984A CH 402569 A CH402569 A CH 402569A CH 402569 A CH402569 A CH 402569A CH 501984 A CH501984 A CH 501984A
Authority
CH
Switzerland
Prior art keywords
rubber
layers
manufacture
synthetic material
electric cable
Prior art date
Application number
CH402569A
Other languages
English (en)
Inventor
Gazzana Priaroggia Paolo
Original Assignee
Pirelli
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 filed Critical Pirelli
Publication of CH501984A publication Critical patent/CH501984A/it

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
    • B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
    • 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
    • H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • 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
    • H01B7/02—Disposition of insulation
    • H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/20—Inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3462—Cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH402569A 1968-03-26 1969-03-18 Cavo elettrico isolato in una pluralità di strati di gomma o di materiale sintetico e procedimento per la sua fabbricazione CH501984A (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1438268 1968-03-26
IT2551068 1968-12-23

Publications (1)

Publication Number Publication Date
CH501984A true CH501984A (it) 1971-01-15

Family

ID=26326719

Family Applications (1)

Application Number Title Priority Date Filing Date
CH402569A CH501984A (it) 1968-03-26 1969-03-18 Cavo elettrico isolato in una pluralità di strati di gomma o di materiale sintetico e procedimento per la sua fabbricazione

Country Status (5)

Country Link
CH (1) CH501984A (it)
DE (1) DE1914478A1 (it)
FR (1) FR2004717A1 (it)
GB (1) GB1237173A (it)
NL (1) NL6903660A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1362179A (en) * 1970-11-25 1974-07-30 British Insulated Callenders Electric cables
GB1529042A (en) * 1976-02-20 1978-10-18 Gen Cable Corp Epdm unipass telephone drop wire
JPS6111854Y2 (it) * 1980-01-31 1986-04-14
GB2223877B (en) * 1988-10-17 1993-05-19 Pirelli General Plc Extra-high-voltage power cable
EP0583521B2 (en) * 1992-08-12 2002-02-06 Totoku Electric Co., Ltd. Multi-layered insulated wire for high frequency transformer winding
EP0673044B1 (en) * 1992-08-19 1997-01-22 Totoku Electric Co., Ltd. Multi-layered insulated wire for high frequency transformer winding
NO179499C (no) * 1994-04-13 1996-10-16 Alcatel Kabel Norge As Ekstruderanlegg, kabel og fremgangsmåte
DE19908110A1 (de) 1999-02-25 2000-08-31 Alcatel Sa Element mit extrudierter Umhüllung
WO2002059909A1 (en) * 2001-01-25 2002-08-01 Nkt Cables A/S An insulation system, in particular for electric power cables

Also Published As

Publication number Publication date
NL6903660A (it) 1969-09-30
FR2004717A1 (it) 1969-11-28
DE1914478A1 (de) 1970-01-22
GB1237173A (en) 1971-06-30

Similar Documents

Publication Publication Date Title
IT939892B (it) Materiale catarifrangente e pro cedimento per la sua fabbricazione
IT977005B (it) Imballaggio di materiale plastico e metodo per fabbricarl
IT974871B (it) Metodo per produrre cavi elettrici ricoperti con materiale reticolato
IT943043B (it) Materiale per involucri di salsicce circolari in materiale termoplastico e procedimento e dispositivo per la sua produzione
IT1025569B (it) Filo stagnato a caldo utile nell elettrotecnica e procedimento per la sua fabbricazione
IT991277B (it) Materiale espanso duro a cellule aperte nonche procedimento per la sua fabbricazione e sua applica zione per dispositivi ed apparec chi elettrici
IT966785B (it) Disposizione di pressatura e formatura di testate di avvolgi menti in macchine elettriche
IT1008579B (it) Struttura di materiale elastomero rinforzato e procedimento per la sua produzione
CH501984A (it) Cavo elettrico isolato in una pluralità di strati di gomma o di materiale sintetico e procedimento per la sua fabbricazione
IT1010278B (it) Procedimento per la produzione di un cavo metallico con strato interno di trefoli annegato in materiale plastico
CH482523A (it) Macchina per la lavorazione continua di materiale plastico
IT964986B (it) Procedimento e dispositivo per trasformare in trefolo un materiale allungato
IT985494B (it) Procedimento e dispositivo per l avvolgimento di nastri piani di materiale
IT997785B (it) Procedimento di rivestimento con materiale plastico e prodotto ottenuto
IT1004581B (it) Materiale polimerico in particelle e procedimento per la sua fabbricazione
IT981133B (it) Condensatore e materiale dielet trico atto alla sua fabbricazione
IT944615B (it) Apparecchiatura a conssstometro particolarmente per misurare in modo continuo la consistenza di una corrente di materiale
IT988611B (it) Materiale piezoceramico
IT984224B (it) Condensatore e materiale dielet trico atto alla sua fabbricazione
IT941231B (it) Manicotto di collegamento e o di diramazione diviso longitudinal mente in materiale sintetico ter moplastico in particolare per cavi di telecomunicazione
IT1013039B (it) Materiale fotografico positivo diretto e procedimento per la sua produzione ed applicazione
IT998503B (it) Materiale poroso in poglio e procedimento per la sua fabbricazione
IT939168B (it) Materiale in foglio per la schermatura di cavi elettrici
IT966251B (it) Perfezionamento negli isolatori elettrici rigidi in materiale sintetico
IT945191B (it) Procedimento e dispositivo per la fabbricazione per stampaggio di oggetti in materiale plastico e prodotto ottenuto

Legal Events

Date Code Title Description
PL Patent ceased