JPH0613187B2 - Manufacturing method for welding and fusing cables - Google Patents
Manufacturing method for welding and fusing cablesInfo
- Publication number
- JPH0613187B2 JPH0613187B2 JP61026480A JP2648086A JPH0613187B2 JP H0613187 B2 JPH0613187 B2 JP H0613187B2 JP 61026480 A JP61026480 A JP 61026480A JP 2648086 A JP2648086 A JP 2648086A JP H0613187 B2 JPH0613187 B2 JP H0613187B2
- Authority
- JP
- Japan
- Prior art keywords
- insulating coating
- cable
- manufacturing
- die
- nipple
- 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 - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000003466 welding Methods 0.000 title claims description 9
- 239000011248 coating agent Substances 0.000 claims description 32
- 238000000576 coating method Methods 0.000 claims description 32
- 239000004020 conductor Substances 0.000 claims description 20
- 210000002445 nipple Anatomy 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 238000009413 insulation Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000011800 void material Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、導体と絶縁被覆との間に空隙を有し、その空
隙に、活性ガス、不活性ガス、空気、水等を供給しなが
らアーク溶接をするリード用電線等の溶接・溶断用ケー
ブルの製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention has a void between a conductor and an insulating coating, and supplies active gas, inert gas, air, water, etc. to the void. The present invention relates to a method for manufacturing a welding / fusing cable such as a lead wire for arc welding.
不活性ガス、活性ガス、空気、水等を供給するアーク溶
接機（溶断機）のリード線には、第４図に示すように、
例えば0.12mmの軟銅素線を31本集合撚りし、この集合撚
り線を更に37本撚り合わせた複合可撓導体ａ上に一定の
空隙を設けて出来るだけ軽い絶縁体、あるいは耐摩耗性
の高い絶縁体、例えば三井化成社製商品名ミラストマー
の如き絶縁材料、あるいはウレタン樹脂混和物、ナイロ
ン等で絶縁被覆ｂを施したものが用いられている。しか
しながら、このケーブルの従来の製造方法は極めて原始
的で絶縁体をパイプ状に押出成形し、この成形されたホ
ースを５〜10ｍに切断し、このホースの中に前記可撓導
体を引き通して作られているため、生産性が悪くコスト
高となる大きな原因となっていた。As shown in FIG. 4, the lead wire of an arc welding machine (fusing machine) that supplies inert gas, active gas, air, water, etc.
For example, 31 strands of 0.12 mm annealed copper wire are twisted together, and 37 wires are further twisted together to form a constant gap on the composite flexible conductor a that is as light as possible or has high wear resistance. An insulator, for example, an insulating material such as Mirastomer (trade name, manufactured by Mitsui Kasei Co., Ltd.), a urethane resin mixture, or an insulating coating b made of nylon or the like is used. However, the conventional manufacturing method of this cable is very primitive, in which an insulator is extruded into a pipe shape, the formed hose is cut into 5 to 10 m, and the flexible conductor is passed through the hose. Since it is made, it was a major cause of poor productivity and high cost.
また、一般の溶接作業は、電源部、ガス供給部から８ｍ
位の範囲内で行なわれるが、ときには、20ｍ前後のケー
ブルを必要とする場合がある。この様な場合、上記人的
方法によってその長さのものを製作するのは非常に困難
で、このため、従来では、例えば、20ｍのケーブルを製
作するのに、第５図で示すように、上記人的方法で製作
した10ｍのケーブルＢを２本準備し、両者の一端の導体
ａを銅、真鍮等のアダプタ２０で接続し、その上に絶縁
カバー２１を設けて、20ｍのケーブルとしている。この
様に、長尺ケーブルの製作には、接続作業及びその接続
部品のコストがケーブル価格に影響するため、長尺ケー
ブルは短尺のものに比べ高価なものとなっている。In addition, general welding work is 8m from the power supply and gas supply
Although it is performed within the range of the order, sometimes a cable of around 20 m may be required. In such a case, it is very difficult to manufacture a cable of that length by the above-mentioned human method. Therefore, in the conventional case, for example, to manufacture a cable of 20 m, as shown in FIG. Prepare two 10m cables B manufactured by the above-mentioned human method, connect the conductor a at one end of both with an adapter 20 such as copper or brass, and provide an insulating cover 21 on them to make a 20m cable. . As described above, in the production of a long cable, the cost of the connecting work and the connecting parts thereof affects the cable price, so that the long cable is more expensive than the short cable.
因みに、実公昭４６−１１９３６号公報等において、上
記絶縁被覆ｂの押出成形とともに、ニップル内に可撓導
体ａを貫通させ、導体ａの外面に空隙をもって絶縁被覆
ｂを設けて、前記ケーブルを製作する技術の開示があ
る。Incidentally, in Japanese Utility Model Publication No. 46-11936, etc., the above-mentioned insulation coating b is extruded, a flexible conductor a is penetrated into the nipple, and an insulation coating b is provided on the outer surface of the conductor a with a gap to produce the cable. There is disclosure of the technology to do.
しかしながら、この製造技術においては、ニップル先端
からはなれた絶縁被覆ｂはペーストから固化に進む途中
であり、垂れ下り易いため、その絶縁被覆ｂに導体ａが
触れて、内面が傷ついたり、変形して、使用に耐えない
ケーブルとなる。このため、今日でも、上述の前もって
絶縁被覆ｂをパイプ状に形成し、その中に導体ｂを引き
通すことがなされている。However, in this manufacturing technique, since the insulating coating b separated from the tip of the nipple is in the process of solidifying from the paste and easily drips, the insulating coating b is touched by the conductor a and the inner surface is damaged or deformed. , The cable cannot be used. Therefore, even today, the insulating coating b is formed in a pipe shape in advance and the conductor b is drawn therein.
本発明は、以上の点に留意し、生産性がよく、かつ長尺
ものも可能な前記溶接・溶断用電線の製造方法を提供す
ることを目的とする。The present invention has been made in consideration of the above points, and an object thereof is to provide a method for manufacturing the above-mentioned welding / fusing electric wire, which has good productivity and can be long.
上記目的を達成するため、本発明にあっては、先端に長
い円筒状突出部を有し該円筒状突出部とテーパ部との境
界を曲面状とするとともにその部分の外表面には離型性
を付与したニップルを、ダイス端面より突出させてクロ
スヘッドに装着し、ニップルとダイスの間に絶縁被覆用
コンパウンドを送り込み、その絶縁被覆が前記突出部上
にある間に、冷却手段により前記絶縁被覆外面が開放状
態で冷却を開始して、導体上に空隙をもって絶縁被覆を
施す構成を採用したのである。In order to achieve the above object, in the present invention, a long cylindrical protrusion is provided at the tip, and the boundary between the cylindrical protrusion and the tapered portion is formed into a curved surface, and the outer surface of the portion has a mold release. The nipple provided with the property is attached to the crosshead by projecting from the end face of the die, an insulating coating compound is fed between the nipple and the die, and the insulating means is cooled by the cooling means while the insulating coating is on the projecting portion. In this structure, cooling is started with the outer surface of the coating open, and an insulating coating is provided on the conductor with a gap.
以上の如く構成する製造方法にあっては、導体の外径よ
り大きい内径を有する絶縁被覆が、該導体上に押出成形
され、該絶縁被覆がその外面が開放状態で内径で規制さ
れる突出部にある間に円滑に冷却されて形状が概ね固定
され、冷却時絶縁混和物の収縮が前記突出部で阻止され
る結果、導体上に一定の空隙をおいて絶縁被覆が連続的
に設けられる。その作用時、ニップルのテーパ部と円筒
状突出部の境界を極面状としているので、該境界に混和
物が滞留することはない。また、冷却時、絶縁被覆外面
が開放しているため、絶縁被覆はニップル突出部上を支
障なく移動する。In the manufacturing method configured as described above, the insulating coating having the inner diameter larger than the outer diameter of the conductor is extruded on the conductor, and the insulating coating has a protruding portion whose outer surface is restricted by the inner diameter in an open state. During cooling, the shape of the insulating mixture is smoothly fixed and the shrinkage of the insulating mixture is prevented by the protrusion during cooling, so that the insulating coating is continuously provided on the conductor with a certain gap. At the time of its action, the boundary between the tapered portion of the nipple and the cylindrical protruding portion is made into a polar surface, so that the admixture does not stay at the boundary. In addition, since the outer surface of the insulating coating is open during cooling, the insulating coating moves on the nipple protrusion without any trouble.
尚、突出部の外周面には弗素樹脂等をコーティングして
離型性を付与し、冷却されて収縮する絶縁被覆との滑り
を良好にしてあるので、押出される樹脂混合物の流れは
スムーズである。Since the outer peripheral surface of the protruding portion is coated with a fluororesin or the like to provide releasability and has a good sliding property with the insulating coating that is cooled and contracted, the flow of the resin mixture extruded is smooth. is there.
次に本発明の実施例を添付図面と共に説明する。なお、
実施例で製造した電線の構成は第１表の通りである。Next, embodiments of the present invention will be described with reference to the accompanying drawings. In addition,
The structure of the electric wires manufactured in the examples is as shown in Table 1.
第３図に示すように、一般に使用されている押出機のク
ロスヘッド（図示せず）のダイスホルダ１にダイス２を
装着し、ニップルホルダ（図示せず）に先端に外径Ｄが
7.0 mmの円筒状突出部３を有し、その円筒状突出部３と
テーパ部７との境界８を曲面状としたニップル４を装着
する。そのニップル４の突出部３の外表面には焼付けタ
イプの弗素樹脂（ダイキン社製商品名ダイクリーＭＥ41
３）５がコーティングされている。 As shown in FIG. 3, a die 2 is attached to a die holder 1 of a crosshead (not shown) of a commonly used extruder, and an outer diameter D is attached to a tip of a nipple holder (not shown).
A nipple 4 having a 7.0 mm cylindrical protrusion 3 and having a curved boundary 8 between the cylindrical protrusion 3 and the tapered portion 7 is mounted. On the outer surface of the protruding portion 3 of the nipple 4, a baking type fluororesin (trade name DAIKLE ME41 manufactured by Daikin Co., Ltd.
3) 5 is coated.
ニップル４の突出部３はダイス２の端から 100mm突出し
ており、その内、第２図及び第３図に示すように、先の
方70mmは冷却水槽６の中に没するように冷却水槽６がセ
ットされている。この場合、冷却水槽６とダイス２の端
面との間隔は10〜30mmの範囲で調整する。あまり近づけ
るとダイス２の端面が冷やされ押出樹脂の流れが悪化し
たり、ダイスカスが生じる。一方、長すぎると、押出樹
脂の冷却が遅れるとともに、ニップルの円筒突出部と押
出樹脂との摩擦抵抗のため、樹脂の流れが悪くなり、絶
縁被覆ｂの外径が不安定となる。このため、実験等によ
り最適な間隔を設定する。The protrusion 3 of the nipple 4 protrudes 100 mm from the end of the die 2. Of these, as shown in FIG. 2 and FIG. 3, the tip 70 mm is immersed in the cooling water tank 6 so that the cooling water tank 6 Is set. In this case, the distance between the cooling water tank 6 and the end surface of the die 2 is adjusted within the range of 10 to 30 mm. If they are brought too close to each other, the end surface of the die 2 is cooled, the flow of the extruded resin is deteriorated, and die scum is generated. On the other hand, if it is too long, cooling of the extruded resin is delayed, and the resin flow is deteriorated due to frictional resistance between the cylindrical protruding portion of the nipple and the extruded resin, and the outer diameter of the insulating coating b becomes unstable. Therefore, the optimum interval is set by experiments or the like.
実施例は、以上のように構成されており、第１図に示す
ように、絶縁被覆ｂ用のコンパウドを押出機１１のホッ
パー１２′に投入し、シリンダ内で加熱混練しながらク
ロスヘッド１２の温度を 180℃前後に保つとともに、導
体供給ドラム１３から可撓導体ａをクロスヘッド１２に
線速10m/min で連続的に送り込み、可撓導体ａ上に絶縁
被覆ｂを施すとともに、冷却水槽６によって突出部３の
途中から冷却を開始して絶縁被覆ｂの形状を概ね固定
し、可撓導体ａ上に一定の空隙をおいて絶縁被覆ｂが設
けられた内層のみの電線Ａを連続的に形成し、この電線
Ａをキャプスタン１４を介し巻取ドラム１５に巻回す
る。The embodiment is configured as described above, and as shown in FIG. 1, the compound for the insulation coating b is charged into the hopper 12 'of the extruder 11 and heated and kneaded in the cylinder while the crosshead 12 is heated and kneaded. While keeping the temperature around 180 ° C., the flexible conductor a is continuously fed from the conductor supply drum 13 to the crosshead 12 at a linear velocity of 10 m / min, the flexible conductor a is coated with an insulating coating b, and the cooling water tank 6 is provided. The cooling is started in the middle of the protruding portion 3 to substantially fix the shape of the insulating coating b, and the electric wire A of only the inner layer provided with the insulating coating b is continuously provided with a certain gap on the flexible conductor a. Then, the electric wire A is wound around the winding drum 15 via the capstan 14.
なお、絶縁被覆樹脂が突出部３の外面を円滑に流れるた
めには、その長さＬと外径Ｄの比(L/D)が関係し、この
実施例は、樹脂にミラストマーを使用し、突出部３の突
出長さＬを 100mmとしたため、L/D は約14倍であり、こ
の他にＤを一定(7.0mm)にして、Ｌ＝ 110mm、120mm、70m
mについて実施したところ、 120mmでは長すぎて樹脂の
ニップル表面上の滑りが悪く、70mmでは外径がやや不安
定になり、 110mmでは良好な結果を得た。また、押出樹
脂が塩化ビニルの場合にはＤ＝ 7mmでＬ＝30mmにすると
良好な結果が得られた。この様に、滑性は押出樹脂の種
類及び空隙の厚さによっても変化するため、L/D は押出
樹脂等により適宜に選択する。In order for the insulating coating resin to smoothly flow on the outer surface of the protruding portion 3, the ratio (L / D) of the length L to the outer diameter D is related, and in this embodiment, a milastomer is used as the resin, Since the protrusion length L of the protrusion 3 is 100 mm, L / D is about 14 times, and in addition to this, D is fixed (7.0 mm) and L = 110 mm, 120 mm, 70 m
When it was carried out for m, 120 mm was too long and the slip on the surface of the nipple of the resin was bad, the outer diameter was slightly unstable at 70 mm, and good results were obtained at 110 mm. When the extruded resin is vinyl chloride, good results were obtained by setting D = 7 mm and L = 30 mm. Thus, the lubricity changes depending on the type of extruded resin and the thickness of the voids, so L / D is appropriately selected depending on the extruded resin and the like.
また、絶縁材料としてミラストマーを用いたが、他の絶
縁材料にも任意に選択使用できる。更に、突出部３の外
面離型性をダイキン社製商品名ダイクリーＭＥ413 を焼
付けることにより成したが、他の離型性付与手段を用い
ることもできる。Further, although the milastomer is used as the insulating material, other insulating materials can be arbitrarily selected and used. Further, the outer surface releasability of the protruding portion 3 is formed by baking Daikin Co., Ltd. product name Die-Cree ME413, but other releasability imparting means may be used.
以上の如く、内層を押出成形した後、さらに、電線Ａに
ナイロン条で編組を施し、ついで、外層を通常の押出法
で内層上に押出成形して所望のケーブルＢを得る。この
とき、ケーブル径が大きい場合には、内層の両端を封止
して前記空隙の内圧を高くすることにより、その空隙を
確保することができる。As described above, after the inner layer is extruded, the electric wire A is further braided with a nylon strip, and then the outer layer is extruded on the inner layer by a usual extrusion method to obtain the desired cable B. At this time, when the cable diameter is large, both ends of the inner layer are sealed to increase the internal pressure of the void, whereby the void can be secured.
以上説明した如く本発明の方法によれば、導体と絶縁被
覆の間に空隙をもつ溶接・溶断用ケーブルを連続して生
産することができるため、従来の製造方法のごとくケー
ブル長の寸法限度がなくなり、一体化した長尺物の製作
が可能となり、突出部の存在により、製造されたケーブ
ルの絶縁被覆内径（導体との空隙）も安定し、かつ絶縁
被覆は軟化状態で垂れ下がることがないため、絶縁被覆
内面の損傷もなく、従来方法と較べて生産性を飛躍的に
向上することができる。As described above, according to the method of the present invention, it is possible to continuously produce a welding / fusing cable having a gap between the conductor and the insulating coating. Since it becomes possible to manufacture an integrated long product, the inner diameter of the insulation coating of the manufactured cable (gap with the conductor) is stable due to the presence of the protruding portion, and the insulation coating does not sag in a softened state. The inner surface of the insulating coating is not damaged, and the productivity can be dramatically improved as compared with the conventional method.
第１図は本発明の製造方法の一実施例の概略図、第２図
は第１図の要部斜視図、第３図は第１図クロスヘッドの
拡大断面図、第４図は本発明に係るケーブルの断面図、
第５図は従来のケーブル製造方法の概略図である。 １……ダイスホルダ、２……ダイス、３……突出部、４
……ニップル、５……弗素樹脂層、６……冷却水槽、１
１……押出機、ａ……導体、ｂ……絶縁被覆、Ａ……電
線、Ｂ……ケーブル。FIG. 1 is a schematic view of an embodiment of the manufacturing method of the present invention, FIG. 2 is a perspective view of an essential part of FIG. 1, FIG. 3 is an enlarged sectional view of a crosshead of FIG. 1, and FIG. Sectional view of the cable according to
FIG. 5 is a schematic view of a conventional cable manufacturing method. 1 ... Die holder, 2 ... Die, 3 ... Projection part, 4
... Nipple, 5 ... Fluorine resin layer, 6 ... Cooling water tank, 1
1 ... Extruder, a ... conductor, b ... insulation coating, A ... electric wire, B ... cable.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 奥村 孝一 大阪府東大阪市岩田町２丁目３番１号 タ ツタ電線株式会社内 (72)発明者 島田 敏則 大阪府東大阪市岩田町２丁目３番１号 タ ツタ電線株式会社内 (72)発明者 竹井 慶一 大阪府東大阪市岩田町２丁目３番１号 タ ツタ電線株式会社内 (56)参考文献 実公 昭48−1355（ＪＰ，Ｙ１) 実公 昭46−11936（ＪＰ，Ｙ１) 実願 昭50−163643（実開昭52−76572) のマイクロフイルム ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koichi Okumura 2-3-1, Iwata-cho, Higashi-Osaka City, Osaka Prefecture Tatsuta Electric Wire Co., Ltd. (72) Inventor Toshinori Shimada 2-3, Iwata-cho, Higashi-Osaka City, Osaka No. 1 in Tatsuta Electric Wire Co., Ltd. (72) Inventor Keiichi Takei 2-3-1, Iwata-cho, Higashiosaka-shi, Osaka (56) References: Kokaku Sho 48-1355 (JP, Y1) ) Jikkō Sho 46-11936 (JP, Y1) Jikkou Sho 50-163643 (Kaikai Sho 52-76572)
Claims (2)
出部３とテーパ部７との境界を曲面状とするとともにそ
の突出部３の外表面には離型性を付与したニップル４
を、ダイス２端面より前記突出部３を突出させてクロス
ヘッドに装着し、ニップル４とダイス２の間に絶縁被覆
ｂ用コンパウンドを送り込み、該絶縁被覆ｂが前記突出
部３上にある間に、冷却手段６により絶縁被覆ｂ外面が
開放状態で冷却を開始して、導体ａ上に空隙をもって絶
縁被覆ｂを施すことを特徴とする溶接・溶断用ケーブル
の製造方法。1. A nipple having a long cylindrical projecting portion 3 at its tip and having a curved boundary between the cylindrical projecting portion 3 and the tapered portion 7 and imparting releasability to the outer surface of the projecting portion 3. Four
Is mounted on a crosshead by projecting the protrusion 3 from the end surface of the die 2, and a compound for insulating coating b is fed between the nipple 4 and the die 2 while the insulating coating b is on the protrusion 3. A method for manufacturing a welding / fusing cable, wherein cooling is started by the cooling means 6 with the outer surface of the insulating coating b being open, and the insulating coating b is provided with a gap on the conductor a.
状突出部３の長さが、その外径の４〜１６倍であり、且
つ、ダイス２と冷却手段６とが熱的に遮断されているこ
とを特徴とする溶接・溶断用ケーブルの製造方法。2. The cylindrical projection 3 according to claim 1, wherein the length of the cylindrical projection 3 is 4 to 16 times its outer diameter, and the die 2 and the cooling means 6 are thermally insulated from each other. A method for manufacturing a cable for welding and fusing, which is characterized by being
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61026480A JPH0613187B2 (en) | 1986-02-07 | 1986-02-07 | Manufacturing method for welding and fusing cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61026480A JPH0613187B2 (en) | 1986-02-07 | 1986-02-07 | Manufacturing method for welding and fusing cables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62183323A JPS62183323A (en) | 1987-08-11 |
| JPH0613187B2 true JPH0613187B2 (en) | 1994-02-23 |
Family
ID=12194662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61026480A Expired - Lifetime JPH0613187B2 (en) | 1986-02-07 | 1986-02-07 | Manufacturing method for welding and fusing cables |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0613187B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51158191U (en) * | 1975-06-11 | 1976-12-16 | ||
| JPS56141629U (en) * | 1980-03-25 | 1981-10-26 | ||
| JPS59141954A (en) * | 1983-01-24 | 1984-08-14 | ジヨージ・エイ・ロペツ | Medical connector system |
-
1986
- 1986-02-07 JP JP61026480A patent/JPH0613187B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| 実願昭５０−１６３６４３（実開昭５２−７６５７２）のマイクロフイルム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62183323A (en) | 1987-08-11 |
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