GB1320336A - Dissiplation of electrostatic charges from insulating materials - Google Patents
Dissiplation of electrostatic charges from insulating materialsInfo
- Publication number
- GB1320336A GB1320336A GB1320336DA GB1320336A GB 1320336 A GB1320336 A GB 1320336A GB 1320336D A GB1320336D A GB 1320336DA GB 1320336 A GB1320336 A GB 1320336A
- Authority
- GB
- United Kingdom
- Prior art keywords
- semi
- conductive
- annular
- tube
- particulate
- 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
Links
- 239000011810 insulating material Substances 0.000 title 1
- -1 polytetrafluoroethylene Polymers 0.000 abstract 4
- 229910001369 Brass Inorganic materials 0.000 abstract 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000010951 brass Substances 0.000 abstract 2
- 239000006229 carbon black Substances 0.000 abstract 2
- 238000001125 extrusion Methods 0.000 abstract 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 2
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 2
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 229920001155 polypropylene Polymers 0.000 abstract 1
- 239000001054 red pigment Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
1320336 Conductive extrusion SUPERFLEXIT Ltd 30 Nov 1970 [1 Dec 1969] 58605/69 Heading B5A [Also in Division F2] Electrostatic charges are dissipated from an extruded polytetrafluoroethylene tube, by means of one, or a pair of opposed conductive strips extending longitudinally of the tube interior surface. The conductive strip may comprise a dispersion of 3 to 25% by weight of carbon black, or iron oxide (Fe 3 O 4 ), dispersed in a matrix of polyethylene polypropylene, or polytetrafluoroethylene. In the described embodiment, particulate p.t.f.e., with white spirit lubricant and cadmium red pigment, is compression moulded into a pair of semi-annular preforms within a diametrically partitioned cylindrical tubular mould cavity, on one side thereof around a semi-annular brass insert, to define on this side a semi-annular preform of increased internal radius on to the internal surface of which, after removal from the mould, a conductive mixture of particulate p.t.f.e., including carbon black and white spirit, is manually packed to the thickness of the other preform, and compressed under a pressure of 10 to 20 p.s.i., using the brass insert. Both preforms are then placed in an extruder for extrusion as the tube, and thereafter sintered e.g. at 700, 720, 800‹ F., after drying at 300 or 320‹ F.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5860569 | 1969-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1320336A true GB1320336A (en) | 1973-06-13 |
Family
ID=10481985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1320336D Expired GB1320336A (en) | 1969-12-01 | 1969-12-01 | Dissiplation of electrostatic charges from insulating materials |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE759658A (en) |
| CA (1) | CA937011A (en) |
| DE (1) | DE2059149A1 (en) |
| FR (1) | FR2072613A5 (en) |
| GB (1) | GB1320336A (en) |
| LU (1) | LU62163A1 (en) |
| NL (1) | NL7017487A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2194545B1 (en) * | 1972-08-01 | 1976-01-23 | Viennot Pierre Fr | |
| EP0674470B2 (en) * | 1994-03-25 | 2004-04-07 | Sotralentz S.A. | Process for producing a container made of thermoplastic, synthetic material for carrying hazardous fluid materials |
-
0
- BE BE759658D patent/BE759658A/en unknown
-
1969
- 1969-12-01 GB GB1320336D patent/GB1320336A/en not_active Expired
-
1970
- 1970-11-20 CA CA098666A patent/CA937011A/en not_active Expired
- 1970-11-30 FR FR7042913A patent/FR2072613A5/fr not_active Expired
- 1970-11-30 NL NL7017487A patent/NL7017487A/xx unknown
- 1970-12-01 LU LU62163D patent/LU62163A1/xx unknown
- 1970-12-01 DE DE19702059149 patent/DE2059149A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2072613A5 (en) | 1971-09-24 |
| NL7017487A (en) | 1971-06-03 |
| BE759658A (en) | 1971-04-30 |
| DE2059149A1 (en) | 1971-06-16 |
| CA937011A (en) | 1973-11-20 |
| LU62163A1 (en) | 1971-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1430604A (en) | Polymer tubes and process for their manufacture | |
| GB993193A (en) | ||
| GB1223469A (en) | Resilient mounting element | |
| NZ219682A (en) | Extruding smooth-bore pipes with external ribs | |
| GB1493336A (en) | Coaxial cable | |
| SE327450B (en) | ||
| GB984406A (en) | Method and apparatus for making plastics tubing | |
| GB1320336A (en) | Dissiplation of electrostatic charges from insulating materials | |
| GB1186138A (en) | Cable Grip Device. | |
| CA986668A (en) | Method for forming and vulcanizing vulcanizable materials and articles vulcanized thereby | |
| GB1479590A (en) | Dissipation of electrostatic charges from insulating materials | |
| CS174103B2 (en) | Method of bodies' extrusion and push broaching by combined pressure on plasticized material by means of broaching die | |
| GB1475430A (en) | Piston head for sealing and expelling plastic material from an extrusion press container | |
| GB1349944A (en) | Pistons | |
| GB1136889A (en) | A device for extruding doughy material to form small sticks or small blocks | |
| GB1255835A (en) | Improvements in the manufacture of components by the hydrostatic compression of powder | |
| GB1411153A (en) | Extruder for extruding rubber or plastics material including apparatus to control feed of material thereto | |
| GB1226366A (en) | ||
| GB1191647A (en) | Improvements in or relating to Compression Packings for Stuffing Boxes | |
| GB1051414A (en) | ||
| GB940926A (en) | Screw press for extruding synthetic thermoplastic material | |
| FR1380690A (en) | Improvements to high and low pressure injection presses with several mobile molds, in particular for thermoplastics and rubber | |
| GB1145600A (en) | Improvements in or relating to moulding apparatus | |
| JPS55103933A (en) | Molding method of large thickness portion of flanged pipe | |
| GB1004406A (en) | Improvements in or relating to extrusion of plastics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed |