JPS641701Y2 - - Google Patents
Info
- Publication number
- JPS641701Y2 JPS641701Y2 JP8992182U JP8992182U JPS641701Y2 JP S641701 Y2 JPS641701 Y2 JP S641701Y2 JP 8992182 U JP8992182 U JP 8992182U JP 8992182 U JP8992182 U JP 8992182U JP S641701 Y2 JPS641701 Y2 JP S641701Y2
- Authority
- JP
- Japan
- Prior art keywords
- foil
- lead
- layer
- laminated
- cable
- 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
- 239000011888 foil Substances 0.000 claims description 51
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 229920000620 organic polymer Polymers 0.000 claims description 9
- 239000010410 layer Substances 0.000 description 17
- 239000012790 adhesive layer Substances 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 description 3
- 239000004703 cross-linked polyethylene Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 235000006650 Syzygium cordatum Nutrition 0.000 description 1
- 240000005572 Syzygium cordatum Species 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Description
【考案の詳細な説明】
本考案は遮水型プラスチツク絶縁ケーブル、特
に、遮水型架橋ポリエチレン電力ケーブルの遮水
層に使用するラミネートテープの改良に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a laminate tape used as a water-shielding layer of a water-shielding plastic insulated cable, particularly a water-shielding crosslinked polyethylene power cable.
プラスチツク絶縁電力ケーブルにおいては、布
設環境いかんによつては、シースを透過して絶縁
層に浸入する水分が原因で、いわゆる水トリーが
発生する懸念があり、このため、ケーブルシース
の直下に遮水層を設けることがある。 In plastic insulated power cables, depending on the installation environment, there is a concern that so-called water trees may occur due to moisture penetrating the sheath and entering the insulation layer. Layers may be provided.
この遮水層用テープには、遮水材としての金属
箔とこの金属箔に対する補強体、張力負担メンバ
ーとしての有機高分子フイルム（例えばポリエス
テルフイルム）とを接着剤で積層し、この積層シ
ートの片面にシース用接着層を設けたラミネート
テープが用いられている。而して、遮水層は、そ
のラミネートテープをシース用接着層を外側に向
けてケーブルコア上に縦沿えすることによつて構
成され、このうえに、塩化ビニル又はポリエチレ
ンシースが押出被覆される。 This water-blocking layer tape is made by laminating with adhesive a metal foil as a water-blocking material, a reinforcing member for the metal foil, and an organic polymer film (for example, polyester film) as a tension-bearing member. A laminated tape with an adhesive layer for the sheath on one side is used. The water-blocking layer is constructed by placing the laminate tape vertically on the cable core with the sheathing adhesive layer facing outward, and then extrusion-covering the vinyl chloride or polyethylene sheath. .
従来、上記ラミネートテープとして、金属箔に
鉛箔を用いたもの、又はアルミ箔を用いたものが
それぞれ公知である。 Conventionally, as the above-mentioned laminate tape, one using lead foil or aluminum foil as the metal foil is known.
しかしながら、金属箔に鉛箔を用いたラミネー
トテープにおいては、鉛の屈曲疲労特性が劣るた
めケーブルヒートサイクルに基づくケーブル接続
部オフセツトの繰り返えし歪によつて鉛箔にクラ
ツクが発生し易いといつた不利がある。一方、金
属箔にアルミ箔を用いたラミネートテープにおい
ては、アルミの屈曲疲労特性が優れるので、上記
鉛箔使用のものにおける不利はないが、アルミが
塑性変形性に乏しく、その破断時歪が小さいため
にケーブル延線時の著しいケーブル屈曲によつ
て、アルミ箔にクラツクが発生し易いといつた不
利がある。かゝるクラツク発生に関し、金属箔に
鉛箔を用いたものにおいては、鉛の破断時歪が大
であるために有利である。 However, in laminated tapes that use lead foil as the metal foil, cracks are likely to occur in the lead foil due to repeated distortion of the cable connection offset due to cable heat cycles due to the poor bending fatigue properties of lead. There are some disadvantages. On the other hand, laminated tapes using aluminum foil as the metal foil do not have the disadvantages of those using lead foil because aluminum has excellent bending fatigue properties, but aluminum has poor plastic deformability and its strain at break is small. Therefore, there is a disadvantage that cracks are likely to occur in the aluminum foil due to significant cable bending during cable wiring. Regarding the occurrence of such cracks, it is advantageous to use lead foil as the metal foil because lead has a large strain at break.
このように、金属箔にアルミ箔を用いたラミネ
ートテープと、金属箔に鉛箔を用いたラミネート
テープとでは、その使用条件上、それぞれ一長一
短があるが、従来においては、かゝる点に着目し
てのラミネートテープの改良はなされていない。 In this way, laminated tapes that use aluminum foil as the metal foil and laminate tapes that use lead foil as the metal foil each have their advantages and disadvantages depending on the usage conditions, but in the past, attention was paid to these points. No improvements have been made to the laminated tape.
本考案に係るケーブル用ラミネートテープは、
上述の点に鑑みて改良したものであり、金属箔と
有機高分子フイルムとを積層したラミネートテー
プにおいて、金属箔層をアルミ箔層並びに鉛箔層
の複数層としたことを特徴とする構成である。 The laminated tape for cables according to the present invention is
This is an improvement made in view of the above-mentioned points, and is a laminate tape in which a metal foil and an organic polymer film are laminated, with a structure characterized in that the metal foil layer is made up of multiple layers of an aluminum foil layer and a lead foil layer. be.
本考案において、アルミ箔と鉛箔の双方を用い
る理由は、アルミ箔が優れた屈曲疲労特性を有
し、ケーブル接続部オフセツトの繰り返えし歪よ
く耐え得、一方、鉛箔が大なる破断時歪を有しケ
ーブル延線時の大なる屈曲歪によく耐え得、ケー
ブル遮水層に使用したときに、各金属箔にクラツ
クが発生したとしても、その発生原因が異なるた
めに（一方のオフセツトの繰り返えし歪、一方は
ケーブル延線時の少数回歪）、それらクラツクが
同一箇所で発生することは実際上あり得ず、かゝ
るもとでは金属箔による遮水機能を鉛箔とアルミ
箔との協働でほゞ確実に保証し得るからである。 The reason why both aluminum foil and lead foil are used in this invention is that aluminum foil has excellent bending fatigue properties and can withstand repeated strain at cable connection offsets, while lead foil is susceptible to large ruptures. When used as a cable water-shielding layer, even if cracks occur in each metal foil, the causes of the occurrence are different (one It is practically impossible for these cracks to occur at the same location (on the one hand, repeated distortion due to offset, and on the other hand, distortion caused by a small number of cycles during cable extension). This is because the cooperation between foil and aluminum foil can almost certainly guarantee this.
而して、アルミ箔と鉛箔とは接着剤を介して隣
接させてもよく、有機高分子フイルム並びに接着
剤を介して積層してもよい。又、アルミにはアル
ミ合金を含み、鉛には鉛合金を含むことは勿論で
ある。 Thus, the aluminum foil and the lead foil may be placed adjacent to each other via an adhesive, or may be laminated via an organic polymer film and an adhesive. Furthermore, it goes without saying that aluminum includes aluminum alloys, and lead includes lead alloys.
以下、図面により本考案を説明する。 The present invention will be explained below with reference to the drawings.
第１図は本考案に係るケーブル用ラミネートテ
ープの一実施例を示している。 FIG. 1 shows an embodiment of the laminate tape for cables according to the present invention.
第１図において、１は鉛箔（厚さは20〜
100μ）、２はアルミ箔（厚さは10〜100μ）であ
り、接着剤３によつて積層されている。４は鉛箔
１の表面に接着剤５を介して積層した有機高分子
フイルムであり、鉛箔１の外傷防止として機能
し、例えば塩化ビニルフイルムを用いることがで
きる。６はアルミ箔面に設けたシース用接着剤層
である。 In Figure 1, 1 is lead foil (thickness is 20~
100μ) and 2 are aluminum foils (thickness: 10 to 100μ), which are laminated with adhesive 3. 4 is an organic polymer film laminated on the surface of the lead foil 1 via an adhesive 5, which functions to prevent damage to the lead foil 1; for example, vinyl chloride film can be used. 6 is a sheath adhesive layer provided on the aluminum foil surface.
第２図は上記ラミネートテープを使用した遮水
型架橋ポリエチレン電力ケーブルを示している。
ａはケーブル導体、ｂは内部半導電性層、ｃは架
橋ポリエチレン絶縁層、ｄは外部半導電性層、ｅ
は銅細線からなる外部金属遮蔽層、ｆは押え巻き
層である。Ｌは上記したラミネートテープであ
り、シース用接着剤層（第１図の６）を外側にし
て押え巻き層ｆ上に縦沿えされ、重ね目がシース
用接着剤層により接着されている。ｇは塩化ビニ
ル又はポリエチレンの押出シースであり、上記縦
沿えラミネートテープＬのシース用接着剤層に接
着されている。 FIG. 2 shows a water-shielded cross-linked polyethylene power cable using the above laminated tape.
a is the cable conductor, b is the inner semiconducting layer, c is the crosslinked polyethylene insulation layer, d is the outer semiconducting layer, e
is an outer metal shielding layer made of thin copper wire, and f is a pressing layer. L is the above-mentioned laminate tape, which is placed vertically on the press-wrap layer f with the sheathing adhesive layer (6 in FIG. 1) outside, and the overlapped seams are adhered by the sheathing adhesive layer. g is an extruded vinyl chloride or polyethylene sheath, which is adhered to the sheath adhesive layer of the longitudinally laminated tape L.
第３図は本考案の別実施例を示し、１は鉛箔
（厚さは20〜100μ）、４は有機高分子フイルム、
２はアルミ箔（厚さは５〜20μ）、６はシース用
接着剤層であり、鉛箔１とアルミ箔２との間に、
張力負担用の有機高分子フイルム７を介在させた
点が第１図に示した実施例に較べて相違してい
る。３１，３２並びに５は接着剤である。 Figure 3 shows another embodiment of the present invention, in which 1 is a lead foil (thickness is 20 to 100μ), 4 is an organic polymer film,
2 is an aluminum foil (thickness is 5 to 20μ), 6 is an adhesive layer for the sheath, and between the lead foil 1 and the aluminum foil 2,
This embodiment differs from the embodiment shown in FIG. 1 in that an organic polymer film 7 for carrying tension is provided. 31, 32 and 5 are adhesives.
この別実施例における張力負担用の有機高分子
フイルムには、厚さ20〜100μのポリエステルフ
イルム、ポリアミドフイルム、ポリイミドフイル
ム、ポリアミドイミドフイルム、ポリカーボネー
トフイルム等を使用できる。 As the organic polymer film for tension bearing in this other embodiment, polyester film, polyamide film, polyimide film, polyamide-imide film, polycarbonate film, etc. having a thickness of 20 to 100 μm can be used.
本考案に係るケーブル用ラミネートテープは上
述した通り、金属箔を複層とし、これらにアルミ
箔層と鉛箔層とを使用しているから、ケーブル接
続部オフセツトのケーブルヒートサイクルに基づ
く繰り返えし歪に対しては屈曲疲労特性の優れた
アルミ箔のために遮水性を確実に保持でき、ケー
ブル延線時の過大なケーブル屈曲に対しては破断
時歪の大なる鉛箔のために遮水性を確実に保持で
きる。従つて、本考案に係るラミネートテープに
よれば、ケーブルに、確実かつ安定な遮水性を付
与できる。 As mentioned above, the laminated tape for cables according to the present invention has multiple layers of metal foil, including an aluminum foil layer and a lead foil layer, so that it can be repeatedly used based on the cable heat cycle of the cable connection offset. The aluminum foil, which has excellent bending fatigue properties, can reliably maintain its water-shielding properties against strain, while the lead foil, which has a large strain at break, can protect against excessive cable bending during cable extension. Can reliably maintain water-based properties. Therefore, according to the laminate tape according to the present invention, reliable and stable water-blocking properties can be imparted to the cable.
第１図は本考案に係るケーブル用ラミネートテ
ープを示す説明図、第２図は本考案テープを使用
した遮水型電力ケーブルを示す説明図、第３図は
本考案の別実施例を示す説明図である。
図において、１は鉛箔、２はアルミ箔、４，７
は有機高分子フイルムである。
Fig. 1 is an explanatory diagram showing a laminated tape for cables according to the present invention, Fig. 2 is an explanatory diagram showing a water-shielding power cable using the tape of the present invention, and Fig. 3 is an explanatory diagram showing another embodiment of the present invention. It is a diagram. In the figure, 1 is lead foil, 2 is aluminum foil, 4, 7
is an organic polymer film.
Claims (1)
ネートテープにおいて、金属箔層をアルミ箔層並
びに鉛箔層の複数層としたことを特徴とするケー
ブル用ラミネートテープ。 A laminated tape for cables, which is a laminated tape made of a laminated metal foil and an organic polymer film, characterized in that the metal foil layer is made up of multiple layers including an aluminum foil layer and a lead foil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8992182U JPS58192410U (en) | 1982-06-15 | 1982-06-15 | Laminating tape for cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8992182U JPS58192410U (en) | 1982-06-15 | 1982-06-15 | Laminating tape for cables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58192410U JPS58192410U (en) | 1983-12-21 |
| JPS641701Y2 true JPS641701Y2 (en) | 1989-01-17 |
Family
ID=30098496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8992182U Granted JPS58192410U (en) | 1982-06-15 | 1982-06-15 | Laminating tape for cables |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58192410U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2590702Y2 (en) * | 1991-07-05 | 1999-02-17 | 古河電気工業株式会社 | Waterproof shielding composite tape and waterproof type power cable using the same |
-
1982
- 1982-06-15 JP JP8992182U patent/JPS58192410U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58192410U (en) | 1983-12-21 |
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