ZA200300616B - Capacitance controlling process. - Google Patents
Capacitance controlling process. Download PDFInfo
- Publication number
- ZA200300616B ZA200300616B ZA200300616A ZA200300616A ZA200300616B ZA 200300616 B ZA200300616 B ZA 200300616B ZA 200300616 A ZA200300616 A ZA 200300616A ZA 200300616 A ZA200300616 A ZA 200300616A ZA 200300616 B ZA200300616 B ZA 200300616B
- Authority
- ZA
- South Africa
- Prior art keywords
- insulation
- tubular
- sheath
- value
- extrusion
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000009413 insulation Methods 0.000 claims abstract description 77
- 238000001125 extrusion Methods 0.000 claims abstract description 54
- 150000001875 compounds Chemical class 0.000 claims abstract description 29
- 239000004088 foaming agent Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 3
- 229940125782 compound 2 Drugs 0.000 description 20
- 239000007789 gas Substances 0.000 description 8
- 238000005187 foaming Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 102100031765 3-beta-hydroxysteroid-Delta(8),Delta(7)-isomerase Human genes 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101000866618 Homo sapiens 3-beta-hydroxysteroid-Delta(8),Delta(7)-isomerase Proteins 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 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
- H01B13/146—Controlling the extrusion apparatus dependent on the capacitance or the thickness of the insulating material
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/10—Applying counter-pressure during expanding
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
- B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
-
- 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
- H01B13/142—Insulating conductors or cables by extrusion of cellular material
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0007—Insulating
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01810597A EP1271565B1 (en) | 2001-06-19 | 2001-06-19 | Capacitance controlling process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200300616B true ZA200300616B (en) | 2003-11-13 |
Family
ID=8183978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200300616A ZA200300616B (en) | 2001-06-19 | 2003-01-22 | Capacitance controlling process. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US7300611B2 (ko) |
| EP (1) | EP1271565B1 (ko) |
| KR (1) | KR100842894B1 (ko) |
| CN (1) | CN1272807C (ko) |
| AT (1) | ATE385034T1 (ko) |
| BR (1) | BR0205614B1 (ko) |
| CA (1) | CA2449582C (ko) |
| DE (1) | DE60132568T2 (ko) |
| ES (1) | ES2300314T3 (ko) |
| RU (1) | RU2260863C1 (ko) |
| TW (1) | TWI277103B (ko) |
| WO (1) | WO2002103717A1 (ko) |
| ZA (1) | ZA200300616B (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8807163B2 (en) * | 2011-03-02 | 2014-08-19 | Richard C. Bell | Vacuum sizing tank with electro-mechanical controlled water flows |
| US9056419B2 (en) * | 2011-03-02 | 2015-06-16 | Richard C. Bell | Sizing tank with electro-mechanical controlled water flows |
| EP2885856B1 (de) * | 2012-10-12 | 2020-04-08 | Siemens Aktiengesellschaft | Verfahren zur herstellung einer isolation eines leiters |
| JP2016115652A (ja) * | 2014-12-18 | 2016-06-23 | トヨタ自動車株式会社 | 絶縁被覆導線の製造方法及び製造装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3681510A (en) * | 1970-05-04 | 1972-08-01 | Northern Electric Co | Filled cable core with foraminous core wrap |
| US3972970A (en) * | 1974-02-07 | 1976-08-03 | Western Electric Company, Inc. | Method for extruding cellular thermoplastic products |
| US4278624A (en) * | 1978-10-25 | 1981-07-14 | Kornylak Corporation | Fluid film continuous processing method and apparatus |
| US4585603A (en) * | 1982-03-15 | 1986-04-29 | Showa Electric Wire & Cable Co., Ltd | Method for controlling an extrusion line for foamed insulation cables involving use of a plurality of generated and measured electrical signals |
| GB2130763B (en) * | 1982-11-15 | 1986-05-21 | Beta Instr Co | Method and apparatus for controlling a cellular foam cable coating extrusion process |
| JPH0520944A (ja) * | 1991-07-11 | 1993-01-29 | Furukawa Electric Co Ltd:The | 発泡絶縁電線の製造方法 |
| US5900198A (en) * | 1996-01-31 | 1999-05-04 | Hori; Yasunori | Method of producing molded resin product |
| US6613983B1 (en) * | 1998-01-20 | 2003-09-02 | Sumitomo Electric Industries, Ltd. | Thin-conductor foamed-polyolefin-insulated wire and manufacturing method thereof |
-
2001
- 2001-06-19 DE DE60132568T patent/DE60132568T2/de not_active Expired - Lifetime
- 2001-06-19 ES ES01810597T patent/ES2300314T3/es not_active Expired - Lifetime
- 2001-06-19 EP EP01810597A patent/EP1271565B1/en not_active Expired - Lifetime
- 2001-06-19 AT AT01810597T patent/ATE385034T1/de active
-
2002
- 2002-05-14 TW TW091109962A patent/TWI277103B/zh not_active IP Right Cessation
- 2002-06-06 BR BRPI0205614-3A patent/BR0205614B1/pt not_active IP Right Cessation
- 2002-06-06 WO PCT/CH2002/000298 patent/WO2002103717A1/en not_active Application Discontinuation
- 2002-06-06 CN CNB028124324A patent/CN1272807C/zh not_active Expired - Fee Related
- 2002-06-06 RU RU2004101039/09A patent/RU2260863C1/ru not_active IP Right Cessation
- 2002-06-06 CA CA002449582A patent/CA2449582C/en not_active Expired - Fee Related
- 2002-06-06 US US10/478,535 patent/US7300611B2/en not_active Expired - Fee Related
- 2002-06-06 KR KR1020037002371A patent/KR100842894B1/ko not_active IP Right Cessation
-
2003
- 2003-01-22 ZA ZA200300616A patent/ZA200300616B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20040145857A1 (en) | 2004-07-29 |
| DE60132568T2 (de) | 2009-01-29 |
| ES2300314T3 (es) | 2008-06-16 |
| WO2002103717A1 (en) | 2002-12-27 |
| CN1272807C (zh) | 2006-08-30 |
| CA2449582C (en) | 2007-07-17 |
| EP1271565A1 (en) | 2003-01-02 |
| RU2004101039A (ru) | 2005-06-27 |
| KR20030027040A (ko) | 2003-04-03 |
| BR0205614B1 (pt) | 2011-12-13 |
| RU2260863C1 (ru) | 2005-09-20 |
| BR0205614A (pt) | 2003-06-10 |
| KR100842894B1 (ko) | 2008-07-02 |
| DE60132568D1 (de) | 2008-03-13 |
| ATE385034T1 (de) | 2008-02-15 |
| CA2449582A1 (en) | 2002-12-27 |
| CN1518750A (zh) | 2004-08-04 |
| TWI277103B (en) | 2007-03-21 |
| US7300611B2 (en) | 2007-11-27 |
| EP1271565B1 (en) | 2008-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8038430B2 (en) | Method of using image data in the production of thin wall extrusions | |
| US4093414A (en) | Single die co-extrusion apparatus for insulation | |
| US4826725A (en) | Manufacture of low density, sintered polytetrafluorethylene articles | |
| CN1902718B (zh) | 具有空气通道的糊料挤压的绝缘导线、其制备方法及包括其的同轴电缆 | |
| ZA200300616B (en) | Capacitance controlling process. | |
| US4305900A (en) | Method and apparatus for covering a multiple wire conductor with a cross-linkable or vulcanizable insulation | |
| US4999146A (en) | Process for manufacture of low density polytetrofluoroethylene insulated cable | |
| US4339298A (en) | Apparatus for insulating relatively flexible conductors | |
| JPH0520944A (ja) | 発泡絶縁電線の製造方法 | |
| CA1277474C (en) | Manufacture of low density, sintered polytetrafluoroethylene articles | |
| JP2008226618A (ja) | 多孔質ｐｔｆｅ樹脂絶縁層被覆電線及びそれを用いた同軸ケーブル | |
| JP3576590B2 (ja) | 高発泡同軸ケーブル製造装置 | |
| JP2662177B2 (ja) | 電気絶縁電線の製造方法 | |
| Rosato et al. | Wire and cable | |
| US20020109253A1 (en) | Facility and method for manufacturing coaxial wire with foamed insulation | |
| JP3605136B2 (ja) | 高発泡ポリエチレン同軸ケーブル製造方法 | |
| JP2004259671A (ja) | 絶縁電線の製造装置 | |
| JPS601450Y2 (ja) | 高発泡体絶縁電線の製造装置 | |
| KR0158714B1 (ko) | 고발포 플라스틱 절연전선의 제조방법과 그의 장치 | |
| JPH04174914A (ja) | 高発泡プラスチック絶縁電線の製造方法とその装置 | |
| JPH04144007A (ja) | 同軸ケーブル用発泡絶縁電線及びその製造方法 | |
| JPS6230087B2 (ko) | ||
| JPS5834883B2 (ja) | チヨウコウアツケ−ブルノ セイゾウホウホウ | |
| JPH04242021A (ja) | 高発泡ふっ素樹脂被覆線の製造方法 | |
| JPS58189912A (ja) | 高発泡絶縁電線の製造方法およびその装置 |