CA2149726A1 - Production process for elastomer sleeves for covering electric cable joints and associated sleeve - Google Patents
Production process for elastomer sleeves for covering electric cable joints and associated sleeveInfo
- Publication number
- CA2149726A1 CA2149726A1 CA002149726A CA2149726A CA2149726A1 CA 2149726 A1 CA2149726 A1 CA 2149726A1 CA 002149726 A CA002149726 A CA 002149726A CA 2149726 A CA2149726 A CA 2149726A CA 2149726 A1 CA2149726 A1 CA 2149726A1
- Authority
- CA
- Canada
- Prior art keywords
- production process
- electric cable
- cable joints
- associated sleeve
- covering electric
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 229920001971 elastomer Polymers 0.000 title 1
- 239000000806 elastomer Substances 0.000 title 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/182—Cable junctions protected by sleeves, e.g. for communication cable held in expanded condition in radial direction prior to installation
- H02G15/1826—Cable junctions protected by sleeves, e.g. for communication cable held in expanded condition in radial direction prior to installation on a removable hollow core, e.g. a tube
- H02G15/1833—Cable junctions protected by sleeves, e.g. for communication cable held in expanded condition in radial direction prior to installation on a removable hollow core, e.g. a tube formed of helically wound strip with adjacent windings, which are removable by applying a pulling force to a strip end
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/182—Cable junctions protected by sleeves, e.g. for communication cable held in expanded condition in radial direction prior to installation
- H02G15/1826—Cable junctions protected by sleeves, e.g. for communication cable held in expanded condition in radial direction prior to installation on a removable hollow core, e.g. a tube
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/184—Cable junctions protected by sleeves, e.g. for communication cable with devices for relieving electrical stress
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
- Y10T428/1317—Multilayer [continuous layer]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
- Y10T428/1317—Multilayer [continuous layer]
- Y10T428/1321—Polymer or resin containing [i.e., natural or synthetic]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
Abstract
The process calls for extrusion of a multilayer tubular structure with semiconducting innermost layer. In production of the sleeve said inner layer is partially removed leaving only a central portion forming an electrode. In addition the intermediate layer is made with a compound having pre-determined relative dielectric constant and dielectric rigidity.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941018A IT1269799B (en) | 1994-05-19 | 1994-05-19 | PROCEDURE FOR MAKING ELASTOMERIC COATING SLEEVES FOR ELECTRIC CABLE JUNCTIONS AND RELATED SLEEVE |
ITMI94A001018 | 1994-05-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2149726A1 true CA2149726A1 (en) | 1995-11-20 |
CA2149726C CA2149726C (en) | 2006-07-25 |
Family
ID=11368942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002149726A Expired - Lifetime CA2149726C (en) | 1994-05-19 | 1995-05-18 | Production process for elastomer sleeves for covering electric cable joints and associated sleeve |
Country Status (9)
Country | Link |
---|---|
US (1) | US5985062A (en) |
EP (1) | EP0683557B1 (en) |
JP (1) | JPH0847156A (en) |
AU (1) | AU706357B2 (en) |
BR (1) | BR9502121A (en) |
CA (1) | CA2149726C (en) |
DE (1) | DE69508840T2 (en) |
ES (1) | ES2131725T3 (en) |
IT (1) | IT1269799B (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2276411T3 (en) * | 1996-07-31 | 2007-06-16 | Prysmian Cavi E Sistemi Energia S.R.L. | TWO-LABED ELASTIC TUBULAR COVER FOR ELECTRICAL COMPONENTS, IN PARTICULAR FOR TERMINATION OF ELECTRICAL CABLES, AS WELL AS THE MANUFACTURING AND ASSEMBLY PROCEDURE. |
GB9705696D0 (en) * | 1997-03-19 | 1997-05-07 | Raychem Ltd | Recoverable article |
GB9705695D0 (en) | 1997-03-19 | 1997-05-07 | Raychem Ltd | Recoverable article |
GB9705692D0 (en) * | 1997-03-19 | 1997-05-07 | Raychem Ltd | Recoverable article |
GB9705697D0 (en) * | 1997-03-19 | 1997-05-07 | Raychem Ltd | Recoverable article |
JP4652603B2 (en) * | 2001-04-03 | 2011-03-16 | 古河電気工業株式会社 | Cable connection processing method and rubber unit |
US20030215592A1 (en) * | 2002-05-14 | 2003-11-20 | 3M Innovative Properties Company | Imageable multi-wall elastic sleeves |
DE10344165A1 (en) * | 2003-09-22 | 2005-04-28 | Duromer Kunststoffverarbeitung | Insulating system for medium high-voltage (HV) installations has an electrical functional unit with HV and earth connections and field control elements to influence electrical fields |
CN101053134B (en) * | 2004-10-27 | 2010-10-06 | 普雷斯曼电缆及系统能源有限公司 | Method and device for coating the junction area between at least two elongated elements in particular between electric cables |
CN101346862B (en) * | 2005-12-28 | 2011-11-30 | 普雷斯曼电缆及系统能源有限公司 | Cable connection method and related connection part, tubular overlapping casing tube of electric cable connection part and manufacturing method thereof |
ATE476775T1 (en) * | 2006-06-21 | 2010-08-15 | Abb Technology Ltd | ELECTRICAL FIELD CONTROL DEVICE |
SE531409C2 (en) * | 2006-12-20 | 2009-03-24 | Abb Research Ltd | Field-controlling material |
CN103299498B (en) * | 2010-12-22 | 2016-04-20 | 普睿司曼股份公司 | For the manufacture of the method for the conjugative component of medium-pressure or high pressure cable and the conjugative component that obtained by described method |
PT2608338E (en) * | 2011-12-21 | 2014-02-21 | 3M Innovative Properties Co | Terminal connection device for a power cable |
US9425605B2 (en) | 2013-03-14 | 2016-08-23 | Tyco Electronics Corporation | Method for protecting a cable splice connection with a cover assembly |
MX2016016719A (en) | 2014-06-27 | 2017-04-27 | Dow Global Technologies Llc | Cold shrink article for electrical device. |
EP3001523B1 (en) * | 2014-09-24 | 2018-11-14 | Tyco Electronics Raychem GmbH | Electrical connector for end-to-end connection |
US9780549B2 (en) | 2015-09-17 | 2017-10-03 | Te Connectivity Corporation | Cover assemblies and methods for covering electrical cables and connections |
US10389103B2 (en) | 2016-10-18 | 2019-08-20 | Te Connectivity Corporation | Breakout boot assemblies and methods for covering electrical cables and connections |
CA3043440C (en) * | 2016-11-15 | 2024-01-09 | Prysmian S.P.A. | Electrical field grading material and use thereof in electrical cable accessories |
CN107452452B (en) * | 2017-09-29 | 2018-10-26 | 珠海市濠德达机电科技有限公司 | A kind of insulating tape wind |
CN107697750B (en) * | 2017-09-29 | 2018-08-21 | 濮阳市泰普胶粘制品有限公司 | A kind of device for cable package adhesive tape |
US11888278B2 (en) | 2021-03-24 | 2024-01-30 | Richards Mfg. Co. | Cold shrink core |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304616A (en) * | 1979-04-02 | 1981-12-08 | Raychem Corporation | Radially shrinkable sleeves |
US4363842A (en) * | 1981-03-02 | 1982-12-14 | Minnesota Mining And Manufacturing Company | Elastomeric pre-stretched tubes for providing electrical stress control |
US4822952A (en) * | 1985-08-21 | 1989-04-18 | Cable Technology Laboratories, Inc. | Electrical cable joint and electrical cable termination and methods of making same |
IT1228468B (en) * | 1989-01-16 | 1991-06-19 | Pirelli Cavi Spa | ELEMENT OF A DEVICE FOR MAKING AN ELECTRIC CABLES JOINT, ELECTRIC CABLES JOINT WITH IT OBTAINED AND COATING OF THE CONNECTION OF ELECTRIC CABLES CONDUCTORS FOR THAT JOINT. |
IT1230014B (en) * | 1989-04-20 | 1991-09-20 | Pirelli Cavi Spa | COATING FOR CABLE JOINTS, ELEMENT OF A DEVICE FOR MAKING CABLE JOINTS AND CABLE JOINTS INCORPORATING THIS COATING. |
IT1236543B (en) * | 1989-10-11 | 1993-03-11 | Ubaldo Vallauri | STORAGE ELEMENT FOR COATING OF ELECTRIC CABLE JOINTS, APPLICABLE TO SEVERAL CABLES OF DIFFERENT DIAMETER, WITH INTERNAL LAYER WITH LOW RESIDUAL DEFORMATION. |
IT1251986B (en) * | 1991-11-08 | 1995-05-27 | Pirelli Cavi Spa | COVERING COMPLEX OF ELONGATED CYLINDRICAL ELEMENTS COUPLINGS OF ELECTRIC CABLES |
GB2269712B (en) * | 1992-08-12 | 1996-05-01 | Ass Elect Ind Ltd | Electric power cable jointing |
US5321711A (en) * | 1992-08-17 | 1994-06-14 | Alliedsignal Inc. | Segmented solid state laser gain media with gradient doping level |
-
1994
- 1994-05-19 IT ITMI941018A patent/IT1269799B/en active IP Right Grant
-
1995
- 1995-05-11 EP EP95107116A patent/EP0683557B1/en not_active Expired - Lifetime
- 1995-05-11 ES ES95107116T patent/ES2131725T3/en not_active Expired - Lifetime
- 1995-05-11 DE DE69508840T patent/DE69508840T2/en not_active Expired - Lifetime
- 1995-05-12 AU AU20047/95A patent/AU706357B2/en not_active Expired
- 1995-05-18 CA CA002149726A patent/CA2149726C/en not_active Expired - Lifetime
- 1995-05-19 BR BR9502121A patent/BR9502121A/en not_active IP Right Cessation
- 1995-05-19 JP JP7121978A patent/JPH0847156A/en active Pending
-
1997
- 1997-11-24 US US08/977,935 patent/US5985062A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU706357B2 (en) | 1999-06-17 |
EP0683557A1 (en) | 1995-11-22 |
ITMI941018A0 (en) | 1994-05-19 |
DE69508840T2 (en) | 1999-10-07 |
JPH0847156A (en) | 1996-02-16 |
DE69508840D1 (en) | 1999-05-12 |
ITMI941018A1 (en) | 1995-11-19 |
EP0683557B1 (en) | 1999-04-07 |
IT1269799B (en) | 1997-04-15 |
US5985062A (en) | 1999-11-16 |
ES2131725T3 (en) | 1999-08-01 |
BR9502121A (en) | 1995-12-19 |
AU2004795A (en) | 1995-11-30 |
CA2149726C (en) | 2006-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20150519 |