US3818412A - Electric conductor and method - Google Patents
Electric conductor and method Download PDFInfo
- Publication number
- US3818412A US3818412A US00322311A US32231173A US3818412A US 3818412 A US3818412 A US 3818412A US 00322311 A US00322311 A US 00322311A US 32231173 A US32231173 A US 32231173A US 3818412 A US3818412 A US 3818412A
- Authority
- US
- United States
- Prior art keywords
- conductive
- core
- overwrap
- overcoat
- fibers
- 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 - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0063—Ignition cables
Abstract
Description
Claims (24)
- 2. The insulated electrical conductor defined in claim 1, characterized in that said overwrap comprises at least two angularly disposed distinct windings of glass strands.
- 3. The insulated electrical conductor defined in claim 2, characterized in that said apertures are 1/16 to 3/16 inch, measured longitudinally between cross-over points.
- 4. The insulated electrical conductor defined in claim 1, characterized in that said overcoat includes about 2 to 30 percent by weight of said fine carbon particles.
- 5. An insulated electric cable, comprising, in combination, a conductive core including a plurality of elongated flexible fibers, an overwrap retaining said fibers in a cylindrical bundle, comprising at least two non-interlacing layers of non-conductive strands uniformly wound in tension around said fibers to tightly retain said fibers and providing a matrix of non-insulating apertures of substantially uniform size, and a polymeric semiconductive overcoat encasing said cylindrical core and overwrap and substantially filling said apertures, said apertures providing a uniform conductance between said cylindrical conductive core and said semiconductive overcoat.
- 6. The insulated electric cable defined in claim 5, characterized in that said polymeric semiconductive overcoat comprises a layer of polymerized tetrafluoroethylene having fine graphite particles suspended therein.
- 7. The insulated electric cable defined in claim 6, characterized in that said overcoat includes about 2 to 30 percent by weight of said fine particles of graphite.
- 8. The insulated electric cable defined in claim 5, characterized in that the width of said overwrap is about 0.005 to 0.010 inches.
- 9. The insulated electric cabLe defined in claim 5, characterized in that said non-insulated apertures are about 1/16 to 3/16 inches, measured between cross-over points of the strands.
- 10. The insulated electric cable defined in claim 5, characterized in that said flexible fibers are conductive strands of glass and said overwrap strands are non-conductive glass strands.
- 11. An overcoated conductive roving, comprising, in combination, a plurality of elongated conductive glass fibers securely retained by an overwrap in a cylindrical bundle having uniform cross-section and a semi-conductive overcoat encasing said cylindrical core, said overcoat being at least one winding of glass strands forming non-conductive spaces, said overcoat comprising a layer of polymerized tetrafluoroethylene having suspended therein 2 to 30 percent by weight fine carbonaceous particles and said overcoat substantially filling said spaces.
- 12. The conductive roving defined in claim 11, characterized in that said overwrap is defined by at least two windings of glass strands forming said non-conductive overwrap having a matrix of uniformly spaced conductive apertures.
- 13. The conductive roving defined in claim 12, characterized in that said overwrap includes at least two angularly disposed distinct windings of glass strands, said windings evenly distributed on said core, in spaced relation, forming a matrix of uniformly spaced non-conducting apertures.
- 14. The conductive roving defined in claim 13, characterized in that said strands are in tension to securely retain said glass fibers in a uniform cross-section.
- 15. The conductive roving defined in claim 14, characterized in that the thickness of said overwrap is about 0.005 to 0.010 inch.
- 16. The conductive roving defined in claim 14, characterized in that the longitudinal spacing between said windings of overwrap strands is about 1/16 to 3/16 inches.
- 17. In an elevated temperature ignition cable, the combination of a conductive core comprising a plurality of electrically conductive elongated glass fibers in a cylindrical bundle having a uniform cross-section, said glass fibers securely retained in said cylindrical bundle by at least two angularly disposed distinct windings of glass strands forming a non-conductive overwrap, said windings evenly distributed on said core, in spaced relation, forming a matrix of uniformly spaced non-conductive apertures, and a semi-conductive overcoat enclosing said core and overwrap, and substantially filling said apertures, said overcoat comprising a layer of polymerized tetrafluoroethylene having about 2 to 30 percent, by weight, fine particles of graphite suspended therein.
- 18. The ignition cable defined in claim 17, characterized in that said glass strands are in tension, about said conductive core, to assure uniform cross-section of said core.
- 19. The ignition cable defined in claim 17, characterized in that the spacing between said glass strands is about 1/16 to 3/16 inch measured longitudinally on said core between cross-over points.
- 20. The ignition cable defined in claim 17, characterized in that the thickness of said overwrap is about 0.005 to 0.010 inch.
- 21. In a method of manufacturing an insulated electrical conductor, the steps of: bundling a plurality of elongated flexible conductive fibers into a cylindrical core, uniformly winding under tension at least two distinct layers of non-conductive strands around said core (1) to securely bind said fibers into a cylindrical core having uniform cross-section and (2) to uniformly space said windings on said core to define a matrix of non-insulating apertures uniformly spaced axially and circumferentially on said core, and encasing said cylindrical core, non-conductive windings and apertures in a semi-conductive polymeric overcoat, said windings thereby providing uniform conductance between said core and said overcoat.
- 22. The method of manufacturing an insulated electrIcal conductor defined in claim 21, wherein said core and windings are encased within said semiconductive overcoat by dipping said core and windings in a mixture of polymerized tetrafluoroethylene and a conductive powder and curing said polymerized tetrafluoroethylene.
- 23. The method of manufacturing an insulated electrical conductor defined in claim 22, including the step of wiping the uncured polymerized tetrafluoroethylene mixture, prior to curing.
- 24. The method of manufacturing an insulated electrical conductor defined in claim 21, including individually winding strands of non-conductive glass around a core of conductive glass fibers.
- 25. An insulated electric cable comprising, in combination a conductive core including a plurality of flexible fibers, an overwrap containing said fibers in a cylindrical bundle comprising; at least two non-interlacing layers of non-conductive continuous linear elements uniformly wound under tension in tight retaining relation about said core fibers and providing a porosity of substantially uniform magnitude along the length of said overwrap, and a semiconductive overcoat of flexible material permeating said overwrap and communicating with said cylindrical conductive core such that a substantially uniform conductance is established between the semiconductive overcoat material and conductive core along its length.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00322311A US3818412A (en) | 1973-01-10 | 1973-01-10 | Electric conductor and method |
CA187,304A CA995316A (en) | 1973-01-10 | 1973-12-04 | Electric conductor and method |
DE2400174A DE2400174A1 (en) | 1973-01-10 | 1974-01-03 | ELECTRICAL CONDUCTOR |
IT19096/74A IT1006728B (en) | 1973-01-10 | 1974-01-04 | ELECTRICAL CONDUCTOR AND METHOD FOR ITS MANUFACTURING |
NL7400265A NL7400265A (en) | 1973-01-10 | 1974-01-08 | |
BR63/74A BR7400063D0 (en) | 1973-01-10 | 1974-01-08 | HOODED DUCTOR; IGNICAO CABLE; PROCESS FOR THE MANUFACTURE OF AN ISOLATED ELECTRIC CONDUCTOR ISOLATED ELECTRIC CONDUCTOR; INSULATED ELECTRIC CABLE; MECHA C0 |
GB110474A GB1432071A (en) | 1973-01-10 | 1974-01-09 | Electric conductor and method |
FR7400682A FR2324099A1 (en) | 1973-01-10 | 1974-01-09 | ELECTRICAL CONDUCTOR |
BE139660A BE809563A (en) | 1973-01-10 | 1974-01-09 | ELECTRICAL CONDUCTOR |
JP49006314A JPS49109880A (en) | 1973-01-10 | 1974-01-10 | |
US05/480,438 US4014722A (en) | 1973-01-10 | 1974-06-17 | Method of making electric conductor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00322311A US3818412A (en) | 1973-01-10 | 1973-01-10 | Electric conductor and method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/480,438 Continuation-In-Part US4014722A (en) | 1973-01-10 | 1974-06-17 | Method of making electric conductor |
Publications (1)
Publication Number | Publication Date |
---|---|
US3818412A true US3818412A (en) | 1974-06-18 |
Family
ID=23254320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00322311A Expired - Lifetime US3818412A (en) | 1973-01-10 | 1973-01-10 | Electric conductor and method |
Country Status (10)
Country | Link |
---|---|
US (1) | US3818412A (en) |
JP (1) | JPS49109880A (en) |
BE (1) | BE809563A (en) |
BR (1) | BR7400063D0 (en) |
CA (1) | CA995316A (en) |
DE (1) | DE2400174A1 (en) |
FR (1) | FR2324099A1 (en) |
GB (1) | GB1432071A (en) |
IT (1) | IT1006728B (en) |
NL (1) | NL7400265A (en) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3973234A (en) * | 1974-10-08 | 1976-08-03 | Universal Oil Products Company | Precision type resistor |
US3991397A (en) * | 1974-02-06 | 1976-11-09 | Owens-Corning Fiberglas Corporation | Ignition cable |
US4014722A (en) * | 1973-01-10 | 1977-03-29 | Owens-Corning Fiberglas Corporation | Method of making electric conductor |
US4070215A (en) * | 1974-06-17 | 1978-01-24 | Owens-Corning Fiberglas Corporation | Method and apparatus for making electric conductor |
US4626618A (en) * | 1984-05-08 | 1986-12-02 | Fujikura Ltd. | DC electric power cable |
US4704596A (en) * | 1986-11-19 | 1987-11-03 | Essex Group, Inc. | Extrusion coated ignition wire |
US4894490A (en) * | 1986-12-27 | 1990-01-16 | Sumitomo Wiring Systems, Ltd. | High tension cable and method of manufacture thereof |
US5476580A (en) * | 1993-05-17 | 1995-12-19 | Electrochemicals Inc. | Processes for preparing a non-conductive substrate for electroplating |
US5690805A (en) * | 1993-05-17 | 1997-11-25 | Electrochemicals Inc. | Direct metallization process |
US5725807A (en) * | 1993-05-17 | 1998-03-10 | Electrochemicals Inc. | Carbon containing composition for electroplating |
US6054028A (en) * | 1996-06-07 | 2000-04-25 | Raychem Corporation | Ignition cables |
US6171468B1 (en) | 1993-05-17 | 2001-01-09 | Electrochemicals Inc. | Direct metallization process |
US6303181B1 (en) | 1993-05-17 | 2001-10-16 | Electrochemicals Inc. | Direct metallization process employing a cationic conditioner and a binder |
US6710259B2 (en) | 1993-05-17 | 2004-03-23 | Electrochemicals, Inc. | Printed wiring boards and methods for making them |
US20040200634A1 (en) * | 2003-04-07 | 2004-10-14 | Midcon Cables Co., Llc | Shielded electrical wire construction and method of manufacture |
EP1664810A1 (en) * | 2003-09-11 | 2006-06-07 | Eurocopter | Method and device for detecting defects of electromagnetic protection for electric harnesses |
US20080218054A1 (en) * | 2007-03-08 | 2008-09-11 | International Business Machines Corporation | Carbon tube for electron beam application |
US20090184107A1 (en) * | 2001-09-03 | 2009-07-23 | Michael Weiss | Heating element with stranded contact |
US20090317038A1 (en) * | 2008-03-28 | 2009-12-24 | Kachmar Wayne M | Multi-fiber fiber optic cable |
US20110068098A1 (en) * | 2006-12-22 | 2011-03-24 | Taiwan Textile Research Institute | Electric Heating Yarns, Methods for Manufacturing the Same and Application Thereof |
US8390324B2 (en) | 2010-09-20 | 2013-03-05 | Honeywell International Inc. | Universal functionality module |
US20160161345A1 (en) * | 2014-12-09 | 2016-06-09 | Kidde Technologies Inc. | Eutectic based continuous thermal sensing element including fiber wrapped center conductor |
CN106910549A (en) * | 2017-03-23 | 2017-06-30 | 福建甲子信息技术股份有限公司 | A kind of polytetrafluoroethylene (PTFE)/graphene wire and preparation method thereof |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3870987A (en) * | 1973-05-29 | 1975-03-11 | Acheson Ind Inc | Ignition cable |
DE9206558U1 (en) * | 1992-05-14 | 1992-07-30 | Ernst + Engbring Gmbh, 4353 Oer-Erkenschwick, De | |
DE19828501C2 (en) * | 1998-06-26 | 2001-10-04 | Eilentropp Kg | Electrical high-voltage line |
AT519639A1 (en) * | 2017-01-26 | 2018-08-15 | Edlmair Kunststofftechnik Gmbh | Earthing conductors and their use in wet electrostatic precipitators |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3166688A (en) * | 1962-11-14 | 1965-01-19 | Ronald P Rowand | Polytetrafluoroethylene tubing having electrically conductive properties |
US3284751A (en) * | 1963-10-11 | 1966-11-08 | Eltra Corp | Resistor ignition lead |
US3463871A (en) * | 1965-05-27 | 1969-08-26 | Philadelphia Insulated Wire Co | Strippable insulated electrical wire |
US3553349A (en) * | 1968-04-06 | 1971-01-05 | Messerschmitt Boelkow Blohm | Flexible signal transmission cable |
US3644866A (en) * | 1971-01-11 | 1972-02-22 | Owens Corning Fiberglass Corp | Tightly bound bundle of filaments and method of producing same |
-
1973
- 1973-01-10 US US00322311A patent/US3818412A/en not_active Expired - Lifetime
- 1973-12-04 CA CA187,304A patent/CA995316A/en not_active Expired
-
1974
- 1974-01-03 DE DE2400174A patent/DE2400174A1/en active Pending
- 1974-01-04 IT IT19096/74A patent/IT1006728B/en active
- 1974-01-08 NL NL7400265A patent/NL7400265A/xx not_active Application Discontinuation
- 1974-01-08 BR BR63/74A patent/BR7400063D0/en unknown
- 1974-01-09 BE BE139660A patent/BE809563A/en unknown
- 1974-01-09 GB GB110474A patent/GB1432071A/en not_active Expired
- 1974-01-09 FR FR7400682A patent/FR2324099A1/en not_active Withdrawn
- 1974-01-10 JP JP49006314A patent/JPS49109880A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3166688A (en) * | 1962-11-14 | 1965-01-19 | Ronald P Rowand | Polytetrafluoroethylene tubing having electrically conductive properties |
US3284751A (en) * | 1963-10-11 | 1966-11-08 | Eltra Corp | Resistor ignition lead |
US3463871A (en) * | 1965-05-27 | 1969-08-26 | Philadelphia Insulated Wire Co | Strippable insulated electrical wire |
US3553349A (en) * | 1968-04-06 | 1971-01-05 | Messerschmitt Boelkow Blohm | Flexible signal transmission cable |
US3644866A (en) * | 1971-01-11 | 1972-02-22 | Owens Corning Fiberglass Corp | Tightly bound bundle of filaments and method of producing same |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4014722A (en) * | 1973-01-10 | 1977-03-29 | Owens-Corning Fiberglas Corporation | Method of making electric conductor |
US3991397A (en) * | 1974-02-06 | 1976-11-09 | Owens-Corning Fiberglas Corporation | Ignition cable |
US4070215A (en) * | 1974-06-17 | 1978-01-24 | Owens-Corning Fiberglas Corporation | Method and apparatus for making electric conductor |
US3973234A (en) * | 1974-10-08 | 1976-08-03 | Universal Oil Products Company | Precision type resistor |
US4626618A (en) * | 1984-05-08 | 1986-12-02 | Fujikura Ltd. | DC electric power cable |
US4704596A (en) * | 1986-11-19 | 1987-11-03 | Essex Group, Inc. | Extrusion coated ignition wire |
US4894490A (en) * | 1986-12-27 | 1990-01-16 | Sumitomo Wiring Systems, Ltd. | High tension cable and method of manufacture thereof |
US5690805A (en) * | 1993-05-17 | 1997-11-25 | Electrochemicals Inc. | Direct metallization process |
US7186923B2 (en) | 1993-05-17 | 2007-03-06 | Electrochemicals, Inc. | Printed wiring boards and methods for making them |
US5725807A (en) * | 1993-05-17 | 1998-03-10 | Electrochemicals Inc. | Carbon containing composition for electroplating |
US6171468B1 (en) | 1993-05-17 | 2001-01-09 | Electrochemicals Inc. | Direct metallization process |
US6303181B1 (en) | 1993-05-17 | 2001-10-16 | Electrochemicals Inc. | Direct metallization process employing a cationic conditioner and a binder |
US6710259B2 (en) | 1993-05-17 | 2004-03-23 | Electrochemicals, Inc. | Printed wiring boards and methods for making them |
US20040084321A1 (en) * | 1993-05-17 | 2004-05-06 | Thorn Charles Edwin | Printed wiring boards and methods for making them |
US5476580A (en) * | 1993-05-17 | 1995-12-19 | Electrochemicals Inc. | Processes for preparing a non-conductive substrate for electroplating |
US6054028A (en) * | 1996-06-07 | 2000-04-25 | Raychem Corporation | Ignition cables |
US20090184107A1 (en) * | 2001-09-03 | 2009-07-23 | Michael Weiss | Heating element with stranded contact |
US20040200634A1 (en) * | 2003-04-07 | 2004-10-14 | Midcon Cables Co., Llc | Shielded electrical wire construction and method of manufacture |
EP1664810A1 (en) * | 2003-09-11 | 2006-06-07 | Eurocopter | Method and device for detecting defects of electromagnetic protection for electric harnesses |
US7391220B2 (en) * | 2003-09-11 | 2008-06-24 | Eurocopter | Method and device for detecting defects of electromagnetic protection for electric harnesses |
US20070036081A1 (en) * | 2003-09-11 | 2007-02-15 | Serge Vallet | Method and device for detecting defects of electromagnetic protection for electric harnesses |
US20110068098A1 (en) * | 2006-12-22 | 2011-03-24 | Taiwan Textile Research Institute | Electric Heating Yarns, Methods for Manufacturing the Same and Application Thereof |
US20080218054A1 (en) * | 2007-03-08 | 2008-09-11 | International Business Machines Corporation | Carbon tube for electron beam application |
US7863563B2 (en) * | 2007-03-08 | 2011-01-04 | International Business Machines Corporation | Carbon tube for electron beam application |
US20090317038A1 (en) * | 2008-03-28 | 2009-12-24 | Kachmar Wayne M | Multi-fiber fiber optic cable |
US8390324B2 (en) | 2010-09-20 | 2013-03-05 | Honeywell International Inc. | Universal functionality module |
US20160161345A1 (en) * | 2014-12-09 | 2016-06-09 | Kidde Technologies Inc. | Eutectic based continuous thermal sensing element including fiber wrapped center conductor |
CN105698950A (en) * | 2014-12-09 | 2016-06-22 | 基德科技公司 | eutectic based continuous thermal sensing element including fiber wrapped center conductor |
US9909933B2 (en) * | 2014-12-09 | 2018-03-06 | Kidde Technologies, Inc. | Eutectic based continuous thermal sensing element including fiber wrapped center conductor |
CN105698950B (en) * | 2014-12-09 | 2020-06-26 | 基德科技公司 | Eutectic based continuous thermal sensing element including fiber-wrapped center conductor |
CN106910549A (en) * | 2017-03-23 | 2017-06-30 | 福建甲子信息技术股份有限公司 | A kind of polytetrafluoroethylene (PTFE)/graphene wire and preparation method thereof |
CN106910549B (en) * | 2017-03-23 | 2018-08-10 | 福建甲子信息技术股份有限公司 | A kind of polytetrafluoroethylene (PTFE)/graphene wire and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
BR7400063D0 (en) | 1974-08-15 |
JPS49109880A (en) | 1974-10-18 |
FR2324099A1 (en) | 1977-04-08 |
BE809563A (en) | 1974-05-02 |
NL7400265A (en) | 1974-07-12 |
DE2400174A1 (en) | 1974-07-18 |
GB1432071A (en) | 1976-04-14 |
IT1006728B (en) | 1976-10-20 |
CA995316A (en) | 1976-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: WILMINGTON TRUST COMPANY, ONE RODNEY SQUARE NORTH, Free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Effective date: 19861103 Owner name: WADE, WILLIAM, J., ONE RODNEY SQUARE NORTH, WILMIN Free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Effective date: 19861103 Owner name: WILMINGTON TRUST COMPANY, DELAWARE Free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Effective date: 19861103 Owner name: WADE, WILLIAM, J., DELAWARE Free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Effective date: 19861103 |
|
AS | Assignment |
Owner name: OWENS-CORNING FIBERGLAS CORPORATION, FIBERGLAS TOW Free format text: TERMINATION OF SECURITY AGREEMENT RECORDED NOV. 13, 1986. REEL 4652 FRAMES 351-420;ASSIGNORS:WILMINGTON TRUST COMPANY, A DE. BANKING CORPORATION;WADE, WILLIAM J. (TRUSTEES);REEL/FRAME:004903/0501 Effective date: 19870730 Owner name: OWENS-CORNING FIBERGLAS CORPORATION, A CORP. OF DE Free format text: TERMINATION OF SECURITY AGREEMENT RECORDED NOV. 13, 1986. REEL 4652 FRAMES 351-420;ASSIGNORS:WILMINGTON TRUST COMPANY, A DE. BANKING CORPORATION;WADE, WILLIAM J. (TRUSTEES);REEL/FRAME:004903/0501 Effective date: 19870730 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES) |