CA1043972A - Process for the production of highly expanded polyolefin insulated wires and cables - Google Patents
Process for the production of highly expanded polyolefin insulated wires and cablesInfo
- Publication number
- CA1043972A CA1043972A CA187,058A CA187058A CA1043972A CA 1043972 A CA1043972 A CA 1043972A CA 187058 A CA187058 A CA 187058A CA 1043972 A CA1043972 A CA 1043972A
- Authority
- CA
- Canada
- Prior art keywords
- foaming
- inner conductor
- extruder
- polyolefin
- highly expanded
- 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
- 238000000034 method Methods 0.000 title claims abstract description 136
- 230000008569 process Effects 0.000 title claims abstract description 100
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title description 19
- 239000004020 conductor Substances 0.000 claims abstract description 207
- 239000006260 foam Substances 0.000 claims abstract description 181
- 238000005187 foaming Methods 0.000 claims abstract description 175
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 238000009413 insulation Methods 0.000 claims abstract description 79
- 239000000203 mixture Substances 0.000 claims abstract description 28
- 239000002667 nucleating agent Substances 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 83
- -1 polypropylene Polymers 0.000 claims description 70
- 230000008961 swelling Effects 0.000 claims description 62
- 229920001903 high density polyethylene Polymers 0.000 claims description 33
- 239000004700 high-density polyethylene Substances 0.000 claims description 31
- 239000004604 Blowing Agent Substances 0.000 claims description 29
- 229920001684 low density polyethylene Polymers 0.000 claims description 27
- 239000007787 solid Substances 0.000 claims description 27
- 239000004702 low-density polyethylene Substances 0.000 claims description 26
- 238000000354 decomposition reaction Methods 0.000 claims description 21
- 238000004513 sizing Methods 0.000 claims description 18
- 239000012790 adhesive layer Substances 0.000 claims description 16
- 238000013329 compounding Methods 0.000 claims description 16
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000004701 medium-density polyethylene Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 79
- 239000004698 Polyethylene Substances 0.000 description 63
- 206010042674 Swelling Diseases 0.000 description 61
- 229920000573 polyethylene Polymers 0.000 description 59
- 238000001125 extrusion Methods 0.000 description 53
- 238000001816 cooling Methods 0.000 description 37
- 239000000047 product Substances 0.000 description 37
- 239000008188 pellet Substances 0.000 description 36
- 238000010438 heat treatment Methods 0.000 description 34
- 239000000853 adhesive Substances 0.000 description 28
- 230000001070 adhesive effect Effects 0.000 description 28
- 238000000576 coating method Methods 0.000 description 28
- 229940063583 high-density polyethylene Drugs 0.000 description 28
- 239000011248 coating agent Substances 0.000 description 27
- 229920000642 polymer Polymers 0.000 description 24
- 229940099514 low-density polyethylene Drugs 0.000 description 23
- 239000010409 thin film Substances 0.000 description 23
- 239000000463 material Substances 0.000 description 21
- 238000000465 moulding Methods 0.000 description 20
- 238000003860 storage Methods 0.000 description 19
- 238000002844 melting Methods 0.000 description 18
- 230000008018 melting Effects 0.000 description 18
- 230000000694 effects Effects 0.000 description 17
- 210000002445 nipple Anatomy 0.000 description 17
- 238000001035 drying Methods 0.000 description 16
- 230000009467 reduction Effects 0.000 description 15
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 239000010408 film Substances 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 239000011324 bead Substances 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000007547 defect Effects 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 230000035882 stress Effects 0.000 description 9
- IWZSHWBGHQBIML-ZGGLMWTQSA-N (3S,8S,10R,13S,14S,17S)-17-isoquinolin-7-yl-N,N,10,13-tetramethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-amine Chemical compound CN(C)[C@H]1CC[C@]2(C)C3CC[C@@]4(C)[C@@H](CC[C@@H]4c4ccc5ccncc5c4)[C@@H]3CC=C2C1 IWZSHWBGHQBIML-ZGGLMWTQSA-N 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 239000004793 Polystyrene Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 230000007306 turnover Effects 0.000 description 7
- 239000004156 Azodicarbonamide Substances 0.000 description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 6
- 235000019399 azodicarbonamide Nutrition 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229920002223 polystyrene Polymers 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 230000035611 feeding Effects 0.000 description 5
- 150000008282 halocarbons Chemical class 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229940068921 polyethylenes Drugs 0.000 description 5
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 229940052308 general anesthetics halogenated hydrocarbons Drugs 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 240000001307 Myosotis scorpioides Species 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 229920001887 crystalline plastic Polymers 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- YQOLEILXOBUDMU-KRWDZBQOSA-N (4R)-5-[(6-bromo-3-methyl-2-pyrrolidin-1-ylquinoline-4-carbonyl)amino]-4-(2-chlorophenyl)pentanoic acid Chemical compound CC1=C(C2=C(C=CC(=C2)Br)N=C1N3CCCC3)C(=O)NC[C@H](CCC(=O)O)C4=CC=CC=C4Cl YQOLEILXOBUDMU-KRWDZBQOSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- KGNDCEVUMONOKF-UGPLYTSKSA-N benzyl n-[(2r)-1-[(2s,4r)-2-[[(2s)-6-amino-1-(1,3-benzoxazol-2-yl)-1,1-dihydroxyhexan-2-yl]carbamoyl]-4-[(4-methylphenyl)methoxy]pyrrolidin-1-yl]-1-oxo-4-phenylbutan-2-yl]carbamate Chemical compound C1=CC(C)=CC=C1CO[C@H]1CN(C(=O)[C@@H](CCC=2C=CC=CC=2)NC(=O)OCC=2C=CC=CC=2)[C@H](C(=O)N[C@@H](CCCCN)C(O)(O)C=2OC3=CC=CC=C3N=2)C1 KGNDCEVUMONOKF-UGPLYTSKSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229940125833 compound 23 Drugs 0.000 description 2
- 229940125844 compound 46 Drugs 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000004794 expanded polystyrene Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000009998 heat setting Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000013518 molded foam Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical group C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- XDXHAEQXIBQUEZ-UHFFFAOYSA-N Ropinirole hydrochloride Chemical compound Cl.CCCN(CCC)CCC1=CC=CC2=C1CC(=O)N2 XDXHAEQXIBQUEZ-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 125000005521 carbonamide group Chemical group 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229940126214 compound 3 Drugs 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000004078 waterproofing 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
- H01B13/067—Insulating coaxial 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
- B29C44/20—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
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48008022A JPS4995193A (enrdf_load_stackoverflow) | 1973-01-17 | 1973-01-17 | |
| JP8829873A JPS559769B2 (enrdf_load_stackoverflow) | 1973-08-08 | 1973-08-08 | |
| JP48092939A JPS586243B2 (ja) | 1973-08-21 | 1973-08-21 | コウハツポウゼツエンデンセンノ セイゾウホウホウ |
| JP48102212A JPS5053884A (enrdf_load_stackoverflow) | 1973-09-12 | 1973-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1043972A true CA1043972A (en) | 1978-12-12 |
Family
ID=27454849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA187,058A Expired CA1043972A (en) | 1973-01-17 | 1973-11-30 | Process for the production of highly expanded polyolefin insulated wires and cables |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1043972A (enrdf_load_stackoverflow) |
| DE (1) | DE2359876C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2214162B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1434775A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4823458A (en) * | 1983-12-21 | 1989-04-25 | Henkel Kommanditgesellschaft Auf Aktien | Foam bodied hair curler |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204086A (en) * | 1972-05-23 | 1980-05-20 | Sumitomo Electric Industries, Ltd. | Process for the production of highly expanded polyolefin insulated wires and cables |
| DE2461013C3 (de) * | 1974-12-21 | 1982-01-07 | Wieland-Werke Ag, 7900 Ulm | Aus einem Metallrohr und einem Kunststoffmantel bestehendes wärmeisoliertes Verbundrohr |
| CA1058716A (en) * | 1975-06-05 | 1979-07-17 | Steve A. Fox | Coaxial cable with improved properties and process of making same |
| US4260351A (en) * | 1975-11-04 | 1981-04-07 | Hitachi Cables, Ltd. | Apparatus for producing foamed plastic insulated wires |
| DE2724454C2 (de) * | 1977-05-31 | 1986-08-14 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Mischung zur Herstellung von aufgeschäumten Isolierungen |
| AU531473B2 (en) * | 1977-12-16 | 1983-08-25 | Sumitomo Electric Industries, Ltd. | Foamed plastic insulated wire |
| FR2681467B1 (fr) * | 1991-09-13 | 1993-11-19 | Alcatel Cable | Corps isolant a haute rigidite dielectrique et procede d'obtention d'un tel corps. |
| GB2275127A (en) * | 1993-02-05 | 1994-08-17 | Rich City Limited | Electric cable |
| US5574816A (en) * | 1995-01-24 | 1996-11-12 | Alcatel Na Cable Sytems, Inc. | Polypropylene-polyethylene copolymer buffer tubes for optical fiber cables and method for making the same |
| DE102007053685A1 (de) * | 2007-11-10 | 2009-05-14 | Abb Technology Ag | Herstellungsverfahren für eine mehrlagige Transformatorwicklung mit Isolationsschicht |
| FI20105132A0 (fi) | 2010-02-10 | 2010-02-10 | Maillefer Sa | Järjestely ja menetelmä raakamateriaalin purkamiseksi |
| CN118588374B (zh) * | 2024-08-07 | 2024-10-15 | 成都大唐线缆有限公司 | 一种内外双螺纹结构的同轴电缆及螺纹成型方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2948020A (en) * | 1953-11-06 | 1960-08-09 | Anaconda Wire & Cable Co | Method of making high frequency cable |
| DE1006918B (de) * | 1955-04-19 | 1957-04-25 | Basf Ag | Verfahren zur Herstellung mit schaumfoermigen Kunststoffen isolierter elektrischer Leiter |
| US3020248A (en) * | 1955-12-29 | 1962-02-06 | Western Electric Co | Method of making expandable plastic and preparation of cellular plastic therefrom |
| US2885738A (en) * | 1955-12-29 | 1959-05-12 | Western Electric Co | Methods of absorbing and retaining expanding media in plastic materials |
| DE1092082B (de) * | 1957-08-06 | 1960-11-03 | Nippon Telegraph & Telephone | Verfahren zur Herstellung von mit geschaeumtem Kunststoff isoliertem Draht |
| US3017371A (en) * | 1958-10-09 | 1962-01-16 | Monsanto Chemicals | Expandable composition consisting essentially of polyolefin, metal soap and p, p'-oxybis (benzene sulfonyl hydrazide), process for preparing same and wire coated with same |
| US3291911A (en) * | 1963-04-01 | 1966-12-13 | Kaman Aircraft Corp | Two-way intercommunication system |
| US3251911A (en) * | 1963-04-16 | 1966-05-17 | Bell Telephone Labor Inc | Preparation of expanded polymers |
| US3253065A (en) * | 1963-08-07 | 1966-05-24 | Bell Telephone Labor Inc | Preparation of expanded polymers |
| US3315025A (en) * | 1964-12-30 | 1967-04-18 | Anaconda Wire & Cable Co | Electric cable with improved resistance to moisture penetration |
| DE1515847B1 (de) * | 1965-10-13 | 1970-04-09 | Gutehoffnungshuette Ag | Fernmeldekabel |
| US3356790A (en) * | 1966-02-18 | 1967-12-05 | Gen Cable Corp | Coaxial cable |
| US3669738A (en) * | 1969-05-28 | 1972-06-13 | Carborundum Co | Polyester coated wire |
-
1973
- 1973-11-30 FR FR7342896A patent/FR2214162B1/fr not_active Expired
- 1973-11-30 GB GB5576173A patent/GB1434775A/en not_active Expired
- 1973-11-30 DE DE19732359876 patent/DE2359876C3/de not_active Expired
- 1973-11-30 CA CA187,058A patent/CA1043972A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4823458A (en) * | 1983-12-21 | 1989-04-25 | Henkel Kommanditgesellschaft Auf Aktien | Foam bodied hair curler |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6352273A (en) | 1975-06-12 |
| DE2359876C3 (de) | 1984-08-30 |
| DE2359876B2 (de) | 1980-01-10 |
| FR2214162B1 (enrdf_load_stackoverflow) | 1979-10-19 |
| DE2359876A1 (de) | 1974-07-25 |
| FR2214162A1 (enrdf_load_stackoverflow) | 1974-08-09 |
| GB1434775A (en) | 1976-05-05 |
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