BR7902328A - Processo para reducao de microvacuos em isolante extrudado de cabos eletricos - Google Patents
Processo para reducao de microvacuos em isolante extrudado de cabos eletricosInfo
- Publication number
- BR7902328A BR7902328A BR7902328A BR7902328A BR7902328A BR 7902328 A BR7902328 A BR 7902328A BR 7902328 A BR7902328 A BR 7902328A BR 7902328 A BR7902328 A BR 7902328A BR 7902328 A BR7902328 A BR 7902328A
- Authority
- BR
- Brazil
- Prior art keywords
- microvacues
- reducing
- electric cables
- extruded insulator
- cables extruded
- Prior art date
Links
- 239000012212 insulator Substances 0.000 title 1
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
- H01B13/145—Pretreatment or after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/08—Heat treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Organic Insulating Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22447/78A IT1094442B (it) | 1978-04-19 | 1978-04-19 | Procedimento per la riduzione dei microvucti nell'isolante estruso di cavi elettrici |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7902328A true BR7902328A (pt) | 1979-10-23 |
Family
ID=11196403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7902328A BR7902328A (pt) | 1978-04-19 | 1979-04-17 | Processo para reducao de microvacuos em isolante extrudado de cabos eletricos |
Country Status (7)
Country | Link |
---|---|
US (1) | US4259281A (pt) |
AR (1) | AR217511A1 (pt) |
BR (1) | BR7902328A (pt) |
CA (1) | CA1136370A (pt) |
ES (1) | ES480328A1 (pt) |
GB (1) | GB2021595B (pt) |
IT (1) | IT1094442B (pt) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4483808A (en) * | 1982-02-18 | 1984-11-20 | At&T Technologies, Inc. | Methods of making a compositely insulated conductor having a layer of irradiation cross-linked polymeric material |
US4454709A (en) * | 1982-03-12 | 1984-06-19 | General Electric Company | Method of forming concentric cable layer and article formed |
FR2564034B1 (fr) * | 1984-05-14 | 1987-02-27 | Gerland | Procede de recuisson des produits en elastomeres et plastomeres par application simultanee de la chaleur et du vide en l'absence d'oxygene et elastomeres et plastomeres obtenus |
DE3629348C2 (de) * | 1985-11-09 | 1994-10-20 | Kabelmetal Electro Gmbh | Kunststoffisoliertes elektrisches Mittel- oder Hochspannungskabel |
CH685336A5 (de) * | 1991-04-09 | 1995-06-15 | Zumbach Electronic Ag | Verfahren und Einrichtung zur Querschnitts-Vermessung elektrischer Adern. |
US5795531A (en) * | 1991-04-09 | 1998-08-18 | Zumbach Electronic Ag | Method and apparatus for the cross-sectional measurement of electric insulated conductors |
FI89987C (fi) * | 1991-10-30 | 1993-12-10 | Maillefer Nokia Oy | Foerfarande foer vaermebehandling av en kabel |
US5426264A (en) * | 1994-01-18 | 1995-06-20 | Baker Hughes Incorporated | Cross-linked polyethylene cable insulation |
US5681514A (en) * | 1995-06-07 | 1997-10-28 | Sulzer Intermedics Inc. | Method for making an implantable conductive lead for use with a cardiac stimulator |
ES2352540T3 (es) * | 2008-02-20 | 2011-02-21 | Abb Research Ltd. | Método para proporcionar un cable eléctrico cd de alta tensión aislado a una terminación o articulación cd de alta tensión. |
US20110017494A1 (en) * | 2009-07-24 | 2011-01-27 | General Electric Company | Insulating compositions and devices incorporating the same |
FR2963352B1 (fr) * | 2010-07-27 | 2014-03-14 | Arkema France | Procede pour preparer un cable et utilisation de peroxydes organiques pour reduire l'etape de degazage dans un procede pour preparer un cable |
EP3980239A4 (en) * | 2019-07-12 | 2023-12-06 | Essentium, Inc. | DEVICE AND METHOD FOR SEALING GAPS IN PARTS PRODUCED BY 3D PRINTING |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE472271A (pt) * | 1944-12-22 | |||
US3029473A (en) * | 1959-05-25 | 1962-04-17 | Riverside Plastics Corp | Vacuum post-curing of infusible plastic material |
US3513228A (en) * | 1966-06-11 | 1970-05-19 | Sumitomo Electric Industries | Method of continuously curing rubber or plastic coated conductor |
US3452126A (en) * | 1966-12-09 | 1969-06-24 | Us Air Force | Method of post-curing a benzoyl peroxide cured fluoroelastomer composition |
CA1022633A (en) * | 1974-05-04 | 1977-12-13 | Shuji Yamamoto | Dual coated power cable with calcium oxide filler |
US3957719A (en) * | 1974-08-08 | 1976-05-18 | General Electric Company | Method of heat treating an ethylene containing polymer electrical insulating composition and product formed thereby |
-
1978
- 1978-04-19 IT IT22447/78A patent/IT1094442B/it active
-
1979
- 1979-03-22 GB GB7910065A patent/GB2021595B/en not_active Expired
- 1979-04-06 AR AR276099A patent/AR217511A1/es active
- 1979-04-17 BR BR7902328A patent/BR7902328A/pt unknown
- 1979-04-17 US US06/030,726 patent/US4259281A/en not_active Expired - Lifetime
- 1979-04-18 CA CA000325729A patent/CA1136370A/en not_active Expired
- 1979-04-19 ES ES480328A patent/ES480328A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1094442B (it) | 1985-08-02 |
GB2021595B (en) | 1982-09-29 |
ES480328A1 (es) | 1979-12-16 |
US4259281A (en) | 1981-03-31 |
GB2021595A (en) | 1979-12-05 |
IT7822447A0 (it) | 1978-04-19 |
AR217511A1 (es) | 1980-03-31 |
CA1136370A (en) | 1982-11-30 |
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