JPH0935544A - Wiring cable for low voltage - Google Patents
Wiring cable for low voltageInfo
- Publication number
- JPH0935544A JPH0935544A JP18429395A JP18429395A JPH0935544A JP H0935544 A JPH0935544 A JP H0935544A JP 18429395 A JP18429395 A JP 18429395A JP 18429395 A JP18429395 A JP 18429395A JP H0935544 A JPH0935544 A JP H0935544A
- Authority
- JP
- Japan
- Prior art keywords
- pvc
- cable
- wiring cable
- low
- sheath
- 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.)
- Granted
Links
- 239000004088 foaming agent Substances 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims abstract description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 42
- 239000004800 polyvinyl chloride Substances 0.000 claims description 42
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000006261 foam material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052802 copper Inorganic materials 0.000 abstract description 9
- 239000010949 copper Substances 0.000 abstract description 9
- 239000004020 conductor Substances 0.000 abstract description 7
- 239000012212 insulator Substances 0.000 abstract description 6
- 239000013585 weight reducing agent Substances 0.000 abstract description 6
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 12
- 229920002554 vinyl polymer Polymers 0.000 description 12
- 240000000491 Corchorus aestuans Species 0.000 description 8
- 235000011777 Corchorus aestuans Nutrition 0.000 description 8
- 235000010862 Corchorus capsularis Nutrition 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001879 gelation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000011342 resin composition Substances 0.000 description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
(57)【要約】
【課題】 曲げるための柔軟性や軽量化が改善されると
ともに、シース、絶縁体などの剥ぎ取り易さを伴って施
工工事の効率向上、および省力化が促進できる低圧用配
線ケーブルを得る。
【解決手段】 銅導体２を被覆した絶縁線心（ＰＶＣ絶
縁体）３間の隙間に充填する介在を、発泡剤を含んで配
合した発泡ＰＶＣ介在７とし、前記絶縁線心３および前
記発泡ＰＶＣ介在７をＰＶＣシース６で被覆する。
(57) [Abstract] [Problem] For low-voltage use, in which flexibility for bending and weight reduction are improved, and efficiency of construction work is improved and labor saving can be promoted with ease of stripping of a sheath, an insulator and the like. Get the wiring cable. SOLUTION: The interstitial filling the gap between the insulated cores (PVC insulators) 3 covering the copper conductors 2 is a foamed PVC interposer 7 containing a foaming agent, and the insulated cores 3 and the foamed PVC are provided. The interposer 7 is covered with the PVC sheath 6.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は低圧用配線ケーブ
ル、とりわけ６００Ｖビニル絶縁ビニルシースケーブル
（ＶＶ）に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low voltage wiring cable, and more particularly to a 600V vinyl insulated vinyl sheath cable (VV).
【０００２】[0002]
【従来の技術】６００Ｖ定格のビニル絶縁ビニルシース
ケーブルは、経済的に優れ、とりわけ屋外の低圧用とし
て一般に多用されている。従前のビニル絶縁ビニルシー
スケーブルでは、図４および図５に示すように、ビニル
絶縁ビニルシースケーブル１Ａは丸形ケーブルである構
造上から、銅導体２を絶縁被覆して形成した複数本の線
心３間の隙間にジュート４などの介在物を撚り込み、さ
らに撚り込んだジュート４が緩んだり解けたりしないよ
うに、その上から不織布などのテープ５を巻いた後、Ｐ
ＶＣ（ポリ塩化ビニル）シース６を外装として設けてい
た。このため、製造時に多くの工程を要するとともに、
施工工事時にはテープやジュートの除去が必要となって
施工作業が非効率的であった。また、導体となる銅、Ｐ
ＶＣ、ジュート、押さえ巻きテープと材料が多岐にわた
るため、分別に手間がかかり、廃棄やリサイクルがしに
くいという問題があった。2. Description of the Related Art A 600V-rated vinyl-insulated vinyl sheath cable is economically excellent and is widely used especially for low-voltage outdoor use. In the conventional vinyl-insulated vinyl sheath cable, as shown in FIGS. 4 and 5, the vinyl-insulated vinyl sheath cable 1A has a structure in which it is a round cable. The jute 4 and other inclusions are twisted into the gap between the two, and the tape 5 such as a non-woven fabric is wound on the jute 4 so that the twisted jute 4 does not loosen or melt.
A VC (polyvinyl chloride) sheath 6 was provided as an exterior. For this reason, many steps are required during manufacturing, and
The tape and jute had to be removed during the construction work, making the construction work inefficient. In addition, copper, which becomes a conductor, P
Since there are a wide variety of materials such as VC, jute, and pressure wrapping tape, there is a problem in that it takes time and effort to sort them and it is difficult to dispose of them or recycle them.
【０００３】そこで、本出願人は、ケーブル線心間の隙
間に、ジュートに代わってＰＶＣパテを充填することに
より、銅導体以外はすべてＰＶＣ樹脂組成物として製造
されるビニル絶縁ビニルシースケーブルを発明協会公開
技報（公技番号９４−２２２６７号）において既に提案
した。これにより、ケーブル製造における生産性向上が
図れるとともに、ケーブル施工時における省力化が実現
でき、また、ケーブルのリサイクル処理も容易になっ
た。Therefore, the applicant of the present invention has created a vinyl-insulated vinyl-sheathed cable, which is manufactured as a PVC resin composition except for copper conductors, by filling the gap between the cable cores with PVC putty instead of jute. It was already proposed in the open technical report (Kogi No. 94-22267). As a result, productivity in cable manufacturing can be improved, labor can be saved during cable construction, and cable recycling processing is facilitated.
【０００４】[0004]
【発明が解決しようとする課題】このように、本出願人
の提案により従前の課題はいずれも良好に解消できたの
であるが、さらに、その用途上から、柔軟性（曲げ応
力）や軽量化（重量）の改善が望まれた。本発明は上記
情況に鑑みてなされたもので、柔軟性や軽量化が向上す
る低圧用配線ケーブルを提供し、施工時における搬送や
配索作業を容易にすると同時に、従来同様、生産性の向
上やリサイクル処理の容易化が図れることを目的とす
る。As described above, according to the proposal of the present applicant, all the above-mentioned problems can be solved well. Further, in view of its use, flexibility (bending stress) and weight reduction are achieved. Improvement of (weight) was desired. The present invention has been made in view of the above circumstances, provides a low-voltage wiring cable that is improved in flexibility and weight reduction, facilitates transportation and wiring work during construction, and at the same time, improves productivity as in the past. The purpose is to facilitate recycling processes.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
の本発明に係る低圧用配線ケーブルの構成は、複数本の
絶縁線心間に介在を充填してなる低圧用配線ケーブルに
おいて、前記介在が発泡素材からなることを特徴とする
ものである。あるいは、前記介在をＰＶＣ（ポリ塩化ビ
ニル）で充填すると共に、少なくとも発泡剤を含んで配
合し、発泡介在としたことを特徴とするものである。あ
るいは、シリコーンよりなる離型剤が含まれることを特
徴とするものである。あるいは、前記介在の曲げ応力が
２Ｎ（ニュートン）以下であることを特徴とするもので
ある。The structure of a low-voltage wiring cable according to the present invention for achieving the above object is a low-voltage wiring cable in which a plurality of insulating wire cores are filled with an interposition. Is made of a foam material. Alternatively, it is characterized in that the interposition is filled with PVC (polyvinyl chloride), and at least a foaming agent is included to form a foam interposition. Alternatively, it is characterized in that a release agent made of silicone is contained. Alternatively, the bending stress of the interposition is 2 N (Newton) or less.
【０００６】[0006]
【作用】本発明に係る低圧用配線ケーブルでは、絶縁線
心間の隙間に、発泡剤を含んだ例えばＰＶＣ（以下、
「発泡ＰＶＣ」という）介在を配置するので、その発泡
構造により柔軟性や軽量化の実現と、発泡ＰＶＣ介在の
剥ぎ取り易さにより、施工性の向上が図れる。In the low-voltage wiring cable according to the present invention, for example, PVC (hereinafter,
Since an interposition of "foamed PVC" is provided, flexibility and weight reduction can be realized by the foamed structure, and workability can be improved due to the ease of peeling off the intervening PVC foam.
【０００７】[0007]
【実施例】以下、本発明に係る低圧用配線ケーブルの好
適な実施例を添付図面を参照して説明する。図１は、本
発明に係る低圧用配線ケーブルの構成を示す斜視図、図
２は、図１の低圧用配線ケーブルの正面図である。な
お、本実施例では、低圧用配線ケーブルとして２心のビ
ニル絶縁ビニルシースケーブルが適用された場合につい
て説明する。また、従来構造と同一部分については同一
符号を用いて説明は省略する。図において、銅導体２に
は押出しによるＰＶＣの絶縁処理が施され、絶縁線心３
（ＰＶＣ絶縁体）が形成される。２本の絶縁線心３は、
軸方向に沿って相互に撚られるとともに、後述する発泡
ＰＶＣ介在７がケーブルの円形形状を確保する目的で線
心３間の隙間に充填される。そして、ビニル絶縁ビニル
シースケーブル１は、絶縁線心３および発泡ＰＶＣ介在
７を被覆するＰＶＣシース６を外装に設けて構成され
る。上記構成により、本実施例におけるビニル絶縁ビニ
ルシースケーブル１は、銅導体２以外はすべてＰＶＣ樹
脂組成物として構成される。ここで、発泡ＰＶＣ介在材
料であるＰＶＣパテの組成を下記表１に示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the low voltage wiring cable according to the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a perspective view showing a configuration of a low voltage wiring cable according to the present invention, and FIG. 2 is a front view of the low voltage wiring cable of FIG. In this example, a case where a two-core vinyl-insulated vinyl sheath cable is applied as the low-voltage wiring cable will be described. The same parts as those of the conventional structure are designated by the same reference numerals and the description thereof will be omitted. In the figure, the copper conductor 2 is subjected to PVC insulation treatment by extrusion, and the insulation core 3
(PVC insulator) is formed. The two insulated wire cores 3 are
While being twisted along the axial direction, a foamed PVC interposer 7, which will be described later, is filled in the gap between the wire cores 3 for the purpose of ensuring the circular shape of the cable. The vinyl-insulated vinyl sheath cable 1 is constructed by providing a PVC sheath 6 covering the insulated wire core 3 and the foamed PVC intervening 7 on the exterior. With the above-mentioned configuration, the vinyl-insulated vinyl sheath cable 1 in this embodiment is all made of a PVC resin composition except for the copper conductor 2. Table 1 below shows the composition of PVC putty which is a foamed PVC intervening material.
【０００８】[0008]
【表１】 [Table 1]
【０００９】上記の表１に示すように、ＰＶＣパテ中に
低温発泡剤を配合することにより、該低温発泡剤が発泡
温度５８〜６０℃で完全発泡して発泡ＰＶＣ介在７が形
成される。この発泡剤は、表中に記載の２重量％の含有
量が最適で、好ましくは２．０〜２．２の範囲で使用さ
れ、２．０未満であると発泡率が低く、柔軟性や剥ぎ取
り易さが不十分となり、２．３以上であると加工性が悪
くなる。また、表１から明らかなように、ＰＶＣパテ中
に離型剤が配合されていることにより、完成品ケーブル
のＰＶＣ絶縁体３、発泡ＰＶＣ介在７、ＰＶＣシース６
は、相互に剥離が容易であり、したがって、ケーブル施
工工事での発泡ＰＶＣ介在７の剥ぎ取り作業が行い易く
なる。なお、離型剤となるシリコーンは、表中に記載の
３重量％の含有量が最適で、好ましくは２．８〜３．２
の範囲で使用される。３．３以上であるとブリードして
離型性が損なわれ、逆に２．８未満だと離型効果が期待
できなく、剥離容易性が得られない。As shown in Table 1 above, by incorporating a low temperature foaming agent into PVC putty, the low temperature foaming agent is completely foamed at a foaming temperature of 58 to 60 ° C. to form a foamed PVC inclusion 7. The content of 2% by weight shown in the table is optimum for this foaming agent, and it is preferably used in the range of 2.0 to 2.2. When it is less than 2.0, the foaming rate is low, and the flexibility and The ease of stripping becomes insufficient, and if it is 2.3 or more, the workability becomes poor. Further, as is clear from Table 1, the PVC putty contains the release agent, so that the PVC insulator 3, the foamed PVC interposer 7, and the PVC sheath 6 of the finished cable are formed.
Are easily peeled off from each other, and thus the work of stripping the foamed PVC intervening material 7 in the cable construction work is facilitated. The optimum content of silicone as the release agent is 3% by weight shown in the table, preferably 2.8 to 3.2.
Used in the range. When it is 3.3 or more, bleeding occurs and the releasability is impaired, and when it is less than 2.8, the releasability cannot be expected and the peeling property cannot be obtained.
【００１０】次に、上記構成のビニル絶縁ビニルシース
ケーブル１の製造工程を説明する。図３に示す製造工程
において、前工程により銅導体２が絶縁処理された２本
のＰＶＣ絶縁体３は、水平方向（図の左側から右側）に
連続搬送されて、フィーダ１０を一体化した予熱ダイス
１１に導入される。ここで、上記表１の樹脂組成からな
るＰＶＣパテがフィーダ１０から予熱ダイス１１に連続
注入され、ＰＶＣパテは予熱ダイス１１で加熱されなが
らＰＶＣ絶縁体３間に発泡ＰＶＣ介在７（図１、２参
照）として充填される。この充填中、ＰＶＣパテに配合
した低温発泡剤は完全発泡するとともに、ゲル化が進行
する。その際、ＰＶＣパテに配合されたシキソトロピー
付与剤により、ＰＶＣパテは液だれすることがなく、ま
た、ゲル化促進剤であるエポキシ樹脂およびトリエチレ
ンテトラミン（ＴＥＴＡ）によりゲル化が促進される。
その後、線材はシース押し出し機１２に案内され、ＰＶ
Ｃシース６が外装として被覆され製品化される。このと
き、シース熱により上記のＰＶＣパテはさらに熱を受け
てゲル化が完了する。Next, a manufacturing process of the vinyl-insulated vinyl sheath cable 1 having the above structure will be described. In the manufacturing process shown in FIG. 3, the two PVC insulators 3 whose copper conductors 2 have been insulated in the previous step are continuously conveyed in the horizontal direction (from the left side to the right side in the figure) to preheat the feeder 10 integrally. It is introduced into the die 11. Here, the PVC putty made of the resin composition shown in Table 1 above is continuously injected from the feeder 10 into the preheating die 11, and the PVC putty is heated by the preheating die 11 while the foamed PVC intervening 7 (see FIGS. (See reference). During this filling, the low temperature foaming agent compounded in the PVC putty is completely foamed and gelation proceeds. At this time, the thixotropy-imparting agent contained in the PVC putty prevents the PVC putty from dripping, and the epoxy resin and triethylenetetramine (TETA), which are gelation accelerators, promote gelation.
After that, the wire is guided to the sheath extrusion machine 12, and PV
The C-sheath 6 is coated as an exterior to be commercialized. At this time, the PVC putty is further heated by the heat of the sheath and the gelation is completed.
【００１１】次に、上記工程に基づき製造したビニル絶
縁ビニルシースケーブル１の、発泡ＰＶＣ介在７による
特性向上を示すため、本出願人が行った実験結果から、
線材の、発泡剤を含まないＰＶＣ介在との比較例を下記
表２に示す。Next, in order to show the improvement of the characteristics of the vinyl-insulated vinyl sheathed cable 1 produced by the above process due to the PVC intervening PVC 7, from the result of the experiment conducted by the applicant,
Table 2 below shows a comparative example of a wire rod and a PVC interposition that does not contain a foaming agent.
【００１２】[0012]
【表２】 [Table 2]
【００１３】この表２から、先ず柔軟性について見る
と、本発明のものは曲げ応力が２Ｎ（ニュートン）以下
と、比較例に比べて小さいことが分かる。したがって、
本発明のものは曲げ加工性に優れ、施工工事時の配索作
業がし易い。また軽量化、剥ぎ取り易さにおいても本発
明による発泡介在ものは比較例より優れ、とりわけ、離
型剤の効用によってケーブル介在の除去が効率よく行え
ることが分かる。From Table 2, first, regarding the flexibility, it can be seen that the flexural stress of the present invention is 2 N (Newton) or less, which is smaller than that of the comparative example. Therefore,
The thing of this invention is excellent in bending workability, and installation work at the time of construction work is easy. Further, it is understood that the foam inclusion according to the present invention is superior to the comparative example in terms of weight reduction and easiness of peeling, and in particular, the inclusion of the cable can be efficiently removed by the effect of the release agent.
【００１４】[0014]
【発明の効果】以上説明したように、本発明に係る低圧
用配線ケーブルは、絶縁線心間の隙間に発泡素材となる
発泡ＰＶＣ介在を配しているので、従来のＰＶＣ介在を
配したものに比べて曲げ応力および軽量化が格段に優
れ、さらに剥ぎ取り易さにおいても向上し、施工工事が
良好になされる。また、従前のジュート介在を用いたも
のに比べて、施工工事作業が発泡ＰＶＣ介在の除去のみ
で、押さえ巻きテープやジュートを除去する手間が省け
るので、ケーブル施工工事の省力化が図れる。また、本
発明による完成品ケーブルは構成材料が銅とＰＶＣのみ
であり、しかも銅とＰＶＣにたやすく完全分離できるの
で、ケーブルのリサイクル化が容易になる。As described above, since the low-voltage wiring cable according to the present invention has the foamed PVC intervening serving as the foaming material in the gap between the insulating cores, the conventional PVC intervening one is provided. Bending stress and weight reduction are remarkably better than those of, and the ease of peeling is also improved, and construction work can be performed well. Further, as compared with the conventional one using the jute interposition, the construction work only removes the foamed PVC interposition, and the labor of removing the press-wrap tape and the jute can be saved, so that the labor of the cable construction work can be reduced. In addition, the finished cable according to the present invention is composed of only copper and PVC, and the copper and PVC can be easily and completely separated from each other, which facilitates recycling of the cable.
【図１】本発明に係る低圧用配線ケーブルの構成を示す
斜視図である。FIG. 1 is a perspective view showing the configuration of a low-voltage wiring cable according to the present invention.
【図２】図１の低圧用配線ケーブルの正面図である。FIG. 2 is a front view of the low-voltage wiring cable of FIG.
【図３】低圧用配線ケーブルの製造工程を説明する図で
ある。FIG. 3 is a diagram illustrating a manufacturing process of a low voltage wiring cable.
【図４】従来の低圧用配線ケーブルの構成を示す斜視図
である。FIG. 4 is a perspective view showing a configuration of a conventional low voltage wiring cable.
【図５】図４の低圧用配線ケーブルの正面図である。5 is a front view of the low voltage wiring cable of FIG. 4. FIG.
１ ビニル絶縁ビニルシースケーブル ２ 銅導体 ３ 絶縁線心（ＰＶＣ絶縁体） ６ ＰＶＣシース １０ フィーダ １１ 予熱ダイス １２ シース押し出し機 1 Vinyl Insulation Vinyl Sheath Cable 2 Copper Conductor 3 Insulated Wire Core (PVC Insulator) 6 PVC Sheath 10 Feeder 11 Preheating Die 12 Sheath Extruder
Claims (4)
る低圧用配線ケーブルにおいて、前記介在が発泡素材か
らなることを特徴とする低圧用配線ケーブル。1. A low-voltage wiring cable in which a plurality of insulated wires are filled with an interposition, and the interposition is made of a foam material.
充填すると共に、少なくとも発泡剤を含んで配合し、発
泡介在としたことを特徴とする請求項１記載の低圧用配
線ケーブル。2. The low voltage wiring cable according to claim 1, wherein the interposition is filled with PVC (polyvinyl chloride), and at least a foaming agent is included to form a foam interposition.
とを特徴とする請求項１記載の低圧用配線ケーブル。3. The low-voltage wiring cable according to claim 1, further comprising a release agent made of silicone.
ン）以下であることを特徴とする請求項１記載の低圧用
配線ケーブル。4. The low-voltage wiring cable according to claim 1, wherein the bending stress of the interposition is 2 N (Newton) or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07184293A JP3140334B2 (en) | 1995-07-20 | 1995-07-20 | Wiring cable for low voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07184293A JP3140334B2 (en) | 1995-07-20 | 1995-07-20 | Wiring cable for low voltage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0935544A true JPH0935544A (en) | 1997-02-07 |
| JP3140334B2 JP3140334B2 (en) | 2001-03-05 |
Family
ID=16150801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07184293A Expired - Lifetime JP3140334B2 (en) | 1995-07-20 | 1995-07-20 | Wiring cable for low voltage |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3140334B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1306859A1 (en) * | 2001-10-22 | 2003-05-02 | Nexans | Cable with an external extruded sheath and method of manufacturing of the cable |
| US7105749B2 (en) | 2002-04-16 | 2006-09-12 | Pirelli & C. S.P.A. | Electric cable and manufacturing process thereof |
| US7166802B2 (en) | 2004-12-27 | 2007-01-23 | Prysmian Cavi E Sistemi Energia S.R.L. | Electrical power cable having expanded polymeric layers |
| CN114188093A (en) * | 2021-12-10 | 2022-03-15 | 安卡机器人电缆（苏州）有限公司 | Processing technology of low-smoke halogen-free flexible control cable |
-
1995
- 1995-07-20 JP JP07184293A patent/JP3140334B2/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1306859A1 (en) * | 2001-10-22 | 2003-05-02 | Nexans | Cable with an external extruded sheath and method of manufacturing of the cable |
| US7132604B2 (en) * | 2001-10-22 | 2006-11-07 | Nexans | Cable with an external extruded sheath and method of manufacturing of the cable |
| US7105749B2 (en) | 2002-04-16 | 2006-09-12 | Pirelli & C. S.P.A. | Electric cable and manufacturing process thereof |
| US7166802B2 (en) | 2004-12-27 | 2007-01-23 | Prysmian Cavi E Sistemi Energia S.R.L. | Electrical power cable having expanded polymeric layers |
| US7469470B2 (en) | 2004-12-27 | 2008-12-30 | Prysmian Cavi E Sistemi Energia S.R.L. | Method of making electrical power cable |
| CN114188093A (en) * | 2021-12-10 | 2022-03-15 | 安卡机器人电缆（苏州）有限公司 | Processing technology of low-smoke halogen-free flexible control cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3140334B2 (en) | 2001-03-05 |
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