JPS60189882A - Method of connecting rubber, plastic cable - Google Patents
Method of connecting rubber, plastic cableInfo
- Publication number
- JPS60189882A JPS60189882A JP59047563A JP4756384A JPS60189882A JP S60189882 A JPS60189882 A JP S60189882A JP 59047563 A JP59047563 A JP 59047563A JP 4756384 A JP4756384 A JP 4756384A JP S60189882 A JPS60189882 A JP S60189882A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- layer
- insulating layer
- container
- reinforcing insulating
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 12
- 229920001971 elastomer Polymers 0.000 title claims description 9
- 239000004033 plastic Substances 0.000 title claims description 9
- 229920003023 plastic Polymers 0.000 title claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
- Processing Of Terminals (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（発明の技術分野）
本発明はゴム又はプラスチック絶縁ケーブルのモールド
接続方法に関する。TECHNICAL FIELD OF THE INVENTION The present invention relates to a method for molded connection of rubber or plastic insulated cables.
（発明の技術的背景とその問題点）
従来からこの穐モールド接続方法としてケーブル導体の
接続部周上に未架橋ポリエチレンテープを巻回し、これ
を加熱融着して補強絶縁層をモールドする方法がある。(Technical Background of the Invention and Problems Thereof) Conventionally, as a method for connecting cable conductors using a wire mold, there has been a method in which an uncrosslinked polyethylene tape is wound around the connection portion of the cable conductor, and a reinforcing insulating layer is molded by heating and fusing the tape. be.
しかるに、この方法において未架橋ポリエチレンテープ
を巻いたときテープ間に空気をたき込み、このまま加熱
モールドしてボイドを含む補強絶紅層を形成してしまう
ことがある。このため、絶縁テープを巻回した直後に容
器内に収容して真空引きし、モールド前の補強絶縁層内
の空気を除去することが考えられているが、この真空引
き後に加熱した際、補強絶縁層表面が溶融により変形し
て円滑に仕上がり難く、それを修正する作業に手間がか
かるという問題があった。However, in this method, when the uncrosslinked polyethylene tape is wound, air may be trapped between the tapes, and when the tape is heated and molded as it is, a reinforcing layer containing voids may be formed. For this reason, it has been considered to place the insulating tape in a container immediately after winding it and evacuate it to remove the air in the reinforcing insulating layer before molding. There was a problem in that the surface of the insulating layer was deformed by melting, making it difficult to finish smoothly, and it took time and effort to correct it.
（発明の目的）
本発明はこの問題に対処するためになされたもので、導
体接続部上の補強絶縁層にボイドを発生させず、しかも
補強絶縁層表面を容易に円滑に仕上げることができるゴ
ム、プラスチックケーブルの接続方法を提供することを
目的とする。(Object of the Invention) The present invention has been made to solve this problem, and is made using a rubber that does not cause voids in the reinforcing insulating layer on the conductor connection portion and can easily finish the surface of the reinforcing insulating layer smoothly. , aims to provide a method for connecting plastic cables.
（発明の概要）
本発明の方法は、導体接続部周上にゴム、プラスチック
の絶縁テープを巻回し加熱融着して補強絶縁層をモール
ドしたゴム、プラスチックケーブルの接続方法において
、前記補強絶縁層をモールドするにあたり、予じめ補強
絶縁層周上に多孔質のテープ押えおよび耐熱シール層を
順次設けた後密閉容器内に収容し、続いて耐熱シール層
を貫通したバイブにより真空引きをすると共に容器内を
加熱し、補強絶縁層が融着し始めたとき真空ジ１きを止
めて容器内にガス圧を加え、補強絶縁層の融着終了後容
器、１ＩｉＪ熱シ一ル層およびテープ押えを除去するこ
とを特徴とする。(Summary of the Invention) The method of the present invention provides a method for connecting a rubber or plastic cable in which a reinforcing insulating layer is molded by wrapping a rubber or plastic insulating tape around the circumference of a conductor connection portion and heat-sealing the reinforcing insulating layer. When molding, a porous tape presser and a heat-resistant sealing layer are sequentially provided on the periphery of the reinforcing insulating layer in advance, and then the material is placed in an airtight container, and then a vacuum is drawn with a vibrator that penetrates the heat-resistant sealing layer. The inside of the container is heated, and when the reinforcing insulating layer begins to fuse, the vacuum is stopped and gas pressure is applied to the inside of the container, and after the reinforcing insulating layer is fused, the container, 1IiJ heat seal layer, and tape holder are removed. It is characterized by removing.
（発明の実施例）
以下、一実施例の図面に基づき、本発明の詳細な説明す
る。１ス１において、例えば接続すべき一対のＯ’Ｖケ
ーブル１ａ、１ｂは常套手段によって段剥処理され、こ
れによって露出された一対のケーブル導体２ａ、２ｂは
、接続スリーブ３によって圧縮接続されている。導体接
続部４上には、内部半導電層５が設けられ、この外周に
は、ケーブル絶縁体（ｉａ、（ｉｂ間に跨って未架橋の
ゴム、プラスチック絶縁テープの巻回層より成る補強絶
縁層Ｉ、多孔質のテープ押え８および耐熱シール層９が
設けられている。なお、多孔質のテープ押え８は孔明又
は多孔質の金属板あるいは編組線を巻き付けたものであ
り、耐熱シール層９は耐熱性が良好でかつ引張強度の高
いもの、例えばマイラーあるいはシリコーンゴム製の熱
収糾１性チューブを彼せて形成される。(Embodiments of the Invention) The present invention will be described in detail below based on the drawings of one embodiment. 1, for example, a pair of O'V cables 1a and 1b to be connected are subjected to step stripping treatment by a conventional method, and the pair of cable conductors 2a and 2b exposed thereby are compressed and connected by a connection sleeve 3. . An internal semiconductive layer 5 is provided on the conductor connection portion 4, and a reinforcing insulation layer consisting of a wound layer of uncrosslinked rubber or plastic insulating tape is provided on the outer periphery of the cable insulator (ia) and (ib). Layer I, a porous tape holder 8 and a heat-resistant sealing layer 9 are provided.The porous tape holder 8 is made of a perforated or porous metal plate or a braided wire wrapped around the heat-resistant sealing layer 9. The tube is made of a heat-absorbing tube that has good heat resistance and high tensile strength, such as Mylar or silicone rubber.
しかして、補強絶縁層γ上には、例えば内周壁１０に多
数個の赤外線ランプ１１を配設した密閉容器１２が被嵌
され、その両端に形成されたフランジ１３ａ、１３ｂは
、絶縁体外周に密嵌した、例えばシリコーンゴム等から
成る耐熱性バッキング１４ａ、１４ｂ上に係止され、こ
れと、これに当接された当て金具１５ａ 、１５ｂとで
バッキング１４ａ、１４ｂを締め付けることにより密閉
容ｒ；ｖ１’２の両端がシールされている。耐熱シール
層９の中央部に同層９を貫通するバイブ１６が連結され
ている。このバイブ１６は容器１２を貫通し、真空ポン
プ１７に連通されている。また、容器１２にはバイブ１
８を介してガス圧調整器１９およびガスボンベ２０が連
結されている。Thus, a sealed container 12 having, for example, a large number of infrared lamps 11 arranged on the inner peripheral wall 10 is fitted onto the reinforcing insulating layer γ, and flanges 13a and 13b formed at both ends of the container 12 are attached to the outer periphery of the insulator. Closely fitted heat-resistant backings 14a and 14b made of, for example, silicone rubber are locked onto the backings 14a and 14b, and the backings 14a and 14b are tightened with the backings 15a and 15b in contact with the backings 14a and 14b, thereby creating an airtight space r; Both ends of v1'2 are sealed. A vibrator 16 that penetrates the heat-resistant seal layer 9 is connected to the center of the heat-resistant seal layer 9 . This vibrator 16 penetrates the container 12 and is communicated with a vacuum pump 17. In addition, a vibrator 1 is placed in the container 12.
A gas pressure regulator 19 and a gas cylinder 20 are connected via 8.
次に、補強絶縁層７の加熱モールド処理方法について述
べる。Next, a method of heat molding the reinforcing insulating layer 7 will be described.
上記したように補強絶縁層７上に多孔質のテープ押え８
および耐熱シール層９を設けた後、密閉容器１２内に密
閉収容する。次に真空ポンプ１７を稼働させ耐熱シール
層９内の真空引きを行いながら、赤外線ランプ１１を点
灯して補強絶縁層７を加熱する。このとき補強絶縁Ｒ４
Ｔ内の空気はテープ押え８の孔又は隙間を通り抜けて外
部に排出される。補強絶縁層Ｉのテープ間が融着し始め
たとき）゛真空引きを止め、吹にガスボンベ２０かう容
器１２内にカス圧を加えながら、加熱を紋ける。As mentioned above, a porous tape presser 8 is placed on the reinforcing insulating layer 7.
After providing the heat-resistant sealing layer 9, it is hermetically housed in a closed container 12. Next, while the vacuum pump 17 is operated to evacuate the heat-resistant seal layer 9, the infrared lamp 11 is turned on to heat the reinforcing insulating layer 7. At this time, reinforcement insulation R4
The air in the T passes through the holes or gaps in the tape presser 8 and is discharged to the outside. When the tapes of the reinforcing insulating layer I begin to fuse, the vacuum is stopped and heating is started while applying gas pressure inside the gas cylinder 20 container 12.
補強絶縁Ｗｅｔ ７が融着終了したら容器１２を取外し
て自然放冷しほぼ常温になった時点で耐熱シール層９お
よびテープ押え８を除去する。この後は常法により補強
絶縁層７上に外部遮蔽層等を設け、この上に接続箱（図
示せず）を包被し、この中に絶縁性フンパウンドを充填
することによってＣＶケーブルの接続部が得られる。After the reinforcing insulation Wet 7 has been fused, the container 12 is removed and allowed to cool naturally. When the temperature reaches approximately room temperature, the heat-resistant sealing layer 9 and the tape retainer 8 are removed. After this, an external shielding layer etc. is provided on the reinforcing insulating layer 7 by a conventional method, a connection box (not shown) is covered on top of this, and insulating powder is filled in this to connect the CV cable. part is obtained.
（発明の効果）
以上、本発明の方法によれば、補強絶縁層をモールドす
るにあたり、予じめ補強絶縁層上に多孔質のテープ押え
および耐熱シール層を設けることによって、補強絶縁層
のテープ間の真空引きを効率よく行いつると共に、融着
時の補強絶縁層表面の変形を防止し、この後の表面仕上
げを容易にする。なお、導体接続部上に内部半導電層を
粘着又はモールドさせて設けた場合は耐真空引き層とな
り、前記真空引きを助長する効果がある。(Effects of the Invention) As described above, according to the method of the present invention, when molding the reinforcing insulating layer, by providing a porous tape presser and a heat-resistant sealing layer on the reinforcing insulating layer in advance, the tape of the reinforcing insulating layer is In addition to efficiently drawing a vacuum between the gaps, it also prevents deformation of the surface of the reinforcing insulating layer during fusion, making subsequent surface finishing easier. In addition, when an internal semiconducting layer is adhesively or molded and provided on the conductor connection portion, it becomes a vacuum resistant layer and has the effect of promoting the vacuum drawing.
また、本発明によればボイドレスの補強絶縁層をモール
ドすることができるから、絶縁特性が向上した分、同層
の肉厚を薄くすることが可能であり、接続部全体の縮／
Ｊ％化を図り得る。Further, according to the present invention, since a void-free reinforcing insulating layer can be molded, the thickness of the same layer can be reduced to the extent that the insulating properties are improved, and the overall connection area can be reduced/decreased.
J% can be achieved.
図面は不発１９］方法の一実施例を示す縦断面図である
。The drawing is a longitudinal sectional view showing an embodiment of the method.
Claims (1)
プを巻回し加熱融着して補強絶縁層をモールドしたゴム
、プラスチックケーブルの接続方法において、前記補強
絶縁層をモールドするにあたり、予じめ補強絶縁層周上
に多孔質のテープ押えおよび耐熱シール層を順次設けた
後密閉容゛器内に収容し、続いて耐熱シール層を貫通し
たパイプにより真空引きをすると共に容器内を加熱し、
補強絶縁層が融着し始めたとき真空引きを止めて容器内
にガス圧を加え、補強絶縁層の融着終了後容器、耐熱シ
ール層およびテープ押えを除去することを特徴とするゴ
ム、プラスチックケーブルの接続方法。1. In a rubber or plastic cable connection method in which a reinforcing insulating layer is molded by wrapping a rubber or plastic insulating tape over the conductor connection part and heat-sealing it, the reinforcing insulating layer is molded in advance. After sequentially providing a porous tape retainer and a heat-resistant sealing layer on the layer periphery, the material is placed in a sealed container, and then a pipe passing through the heat-resistant sealing layer is used to draw a vacuum and heat the inside of the container.
Rubber or plastic characterized in that when the reinforcing insulating layer begins to fuse, the vacuum is stopped and gas pressure is applied inside the container, and after the reinforcing insulating layer has finished fusing, the container, heat-resistant sealing layer, and tape retainer are removed. How to connect cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59047563A JPS60189882A (en) | 1984-03-12 | 1984-03-12 | Method of connecting rubber, plastic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59047563A JPS60189882A (en) | 1984-03-12 | 1984-03-12 | Method of connecting rubber, plastic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60189882A true JPS60189882A (en) | 1985-09-27 |
Family
ID=12778681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59047563A Pending JPS60189882A (en) | 1984-03-12 | 1984-03-12 | Method of connecting rubber, plastic cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60189882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01202107A (en) * | 1988-02-04 | 1989-08-15 | Fujikura Ltd | Mold joint construction for cable |
-
1984
- 1984-03-12 JP JP59047563A patent/JPS60189882A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01202107A (en) * | 1988-02-04 | 1989-08-15 | Fujikura Ltd | Mold joint construction for cable |
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