GB2196781B - D.c. electric cables having impregnated layered insulation - Google Patents

D.c. electric cables having impregnated layered insulation

Info

Publication number: GB2196781B
Authority: GB; United Kingdom
Prior art keywords: electric cables; layered insulation; impregnated layered; impregnated; insulation
Prior art date: 1986-08-04
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 - Lifetime

Application number

GB8718458A

Other versions

GB8718458D0 (en

GB2196781A (en

Inventor

Priaroggia Paolo Gazzana

Gainmario Lanfranconi

Pietro Metra

Gianni Miramonti

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 and C SpA

Original Assignee

Pirelli Cavi SpA

Cavi Pirelli SpA

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.)

1986-08-04

Filing date

1987-08-04

Publication date

1990-05-02

1987-08-04 Application filed by Pirelli Cavi SpA, Cavi Pirelli SpA filed Critical Pirelli Cavi SpA

1987-09-09 Publication of GB8718458D0 publication Critical patent/GB8718458D0/en

1988-05-05 Publication of GB2196781A publication Critical patent/GB2196781A/en

1990-05-02 Application granted granted Critical

1990-05-02 Publication of GB2196781B publication Critical patent/GB2196781B/en

2007-08-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/06—Gas-pressure cables; Oil-pressure cables; Cables for use in conduits under fluid pressure
- H01B9/0611—Oil-pressure cables

GB8718458A 1986-08-04 1987-08-04 D.c. electric cables having impregnated layered insulation Expired - Lifetime GB2196781B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT21405/86A IT1197064B (en)	1986-08-04	1986-08-04	DIRECT CURRENT ELECTRIC CABLES WITH MIXTURE IMPREGNATED ISOLATEN

Publications (3)

Publication Number	Publication Date
GB8718458D0 GB8718458D0 (en)	1987-09-09
GB2196781A GB2196781A (en)	1988-05-05
GB2196781B true GB2196781B (en)	1990-05-02

Family

ID=11181281

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8718458A Expired - Lifetime GB2196781B (en)	1986-08-04	1987-08-04	D.c. electric cables having impregnated layered insulation

Country Status (4)

Country	Link
BR (1)	BR8704536A (en)
CA (1)	CA1286737C (en)
GB (1)	GB2196781B (en)
IT (1)	IT1197064B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6395975B1 (en)	1998-07-06	2002-05-28	Pirelli Cavi E Sistemi S.P.A.	High voltage direct current electrical cable with mass-impregnated insulation
ES2437612T3 (en)	2009-12-16	2014-01-13	Prysmian S.P.A.	High voltage DC power cable that has a stratified insulation impregnated

1986
- 1986-08-04 IT IT21405/86A patent/IT1197064B/en active
1987
- 1987-07-31 CA CA000543527A patent/CA1286737C/en not_active Expired - Lifetime
- 1987-08-04 BR BR8704536A patent/BR8704536A/en not_active IP Right Cessation
- 1987-08-04 GB GB8718458A patent/GB2196781B/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB8718458D0 (en)	1987-09-09
IT8621405A0 (en)	1986-08-04
IT1197064B (en)	1988-11-25
BR8704536A (en)	1988-04-26
GB2196781A (en)	1988-05-05
IT8621405A1 (en)	1988-02-04
CA1286737C (en)	1991-07-23

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Legal Events

Date	Code	Title	Description
2007-08-29	PE20	Patent expired after termination of 20 years	Effective date: 20070803
2007-09-05	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2007-09-12	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)