FR2704176B1 - Device for extruding layers of material concentrically around a central core, in particular a high voltage electric cable. - Google Patents
Device for extruding layers of material concentrically around a central core, in particular a high voltage electric cable.Info
- Publication number
- FR2704176B1 FR2704176B1 FR9304704A FR9304704A FR2704176B1 FR 2704176 B1 FR2704176 B1 FR 2704176B1 FR 9304704 A FR9304704 A FR 9304704A FR 9304704 A FR9304704 A FR 9304704A FR 2704176 B1 FR2704176 B1 FR 2704176B1
- Authority
- FR
- France
- Prior art keywords
- high voltage
- central core
- electric cable
- voltage electric
- concentrically around
- 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 - Fee Related
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
- H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
-
- 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
-
- 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
- H01B13/143—Insulating conductors or cables by extrusion with a special opening of the extrusion head
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9304704A FR2704176B1 (en) | 1993-04-21 | 1993-04-21 | Device for extruding layers of material concentrically around a central core, in particular a high voltage electric cable. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9304704A FR2704176B1 (en) | 1993-04-21 | 1993-04-21 | Device for extruding layers of material concentrically around a central core, in particular a high voltage electric cable. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2704176A1 FR2704176A1 (en) | 1994-10-28 |
FR2704176B1 true FR2704176B1 (en) | 1995-07-13 |
Family
ID=9446288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9304704A Expired - Fee Related FR2704176B1 (en) | 1993-04-21 | 1993-04-21 | Device for extruding layers of material concentrically around a central core, in particular a high voltage electric cable. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2704176B1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO179499C (en) * | 1994-04-13 | 1996-10-16 | Alcatel Kabel Norge As | Extruder plant, cable and method |
US8101862B2 (en) | 1999-01-11 | 2012-01-24 | Southwire Company | Self-sealing electrical cable using rubber resins |
US8470108B2 (en) | 1999-01-11 | 2013-06-25 | Southwire Company | Self-sealing electrical cable using rubber resins |
US7367373B2 (en) | 2000-12-06 | 2008-05-06 | Southwire Company | Multi-layer extrusion head for self-sealing cable |
CN103345984B (en) * | 2013-06-25 | 2016-05-18 | 贵阳电线厂有限公司 | Method and the device of electric wire inner insulating layer and restrictive coating are once extruded |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3222721A (en) * | 1962-06-25 | 1965-12-14 | Anaconda Wire & Cable Co | Dual extrusion apparatus |
US3312766A (en) * | 1963-03-25 | 1967-04-04 | Stevens Alexander Michael | Extrusion of plastic tubes of varying diameter |
US3546743A (en) * | 1968-04-26 | 1970-12-15 | Northern Petro Chem Co | Die for extruding laminated plastic tube |
DE2332518A1 (en) * | 1973-06-22 | 1975-01-23 | Siemens Ag | SPRAY HEAD |
JPS6255118A (en) * | 1985-09-04 | 1987-03-10 | Showa Electric Wire & Cable Co Ltd | Method for centering of crosshead |
JPH0541865Y2 (en) * | 1986-06-30 | 1993-10-22 | ||
AT387672B (en) * | 1987-08-12 | 1989-02-27 | Rosendahl Masch Gmbh | DEVICE FOR INJECTING A SOUL, IN PARTICULAR AN ELECTRIC LADDER |
US5046938A (en) * | 1989-11-01 | 1991-09-10 | Hoover Universal, Inc. | Improved multiple layer die head with adjustable gaps |
-
1993
- 1993-04-21 FR FR9304704A patent/FR2704176B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2704176A1 (en) | 1994-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |