JPS63256682A - Water-intercepting filler for watertight cable - Google Patents
Water-intercepting filler for watertight cableInfo
- Publication number
- JPS63256682A JPS63256682A JP9058487A JP9058487A JPS63256682A JP S63256682 A JPS63256682 A JP S63256682A JP 9058487 A JP9058487 A JP 9058487A JP 9058487 A JP9058487 A JP 9058487A JP S63256682 A JPS63256682 A JP S63256682A
- Authority
- JP
- Japan
- Prior art keywords
- ethylene
- water
- filler
- propylene
- hardness
- 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
- 239000000945 filler Substances 0.000 title claims abstract description 27
- 229920000642 polymer Polymers 0.000 claims abstract description 11
- 229920002943 EPDM rubber Polymers 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 abstract description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract description 5
- 239000005977 Ethylene Substances 0.000 abstract description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 4
- 235000021355 Stearic acid Nutrition 0.000 abstract description 3
- 229920003244 diene elastomer Polymers 0.000 abstract description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 abstract description 3
- 239000008117 stearic acid Substances 0.000 abstract description 3
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004927 clay Substances 0.000 abstract description 2
- 229910052570 clay Inorganic materials 0.000 abstract description 2
- 239000000454 talc Substances 0.000 abstract description 2
- 229910052623 talc Inorganic materials 0.000 abstract description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 abstract 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract 1
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 abstract 1
- 229910001679 gibbsite Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- 239000005060 rubber Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000010734 process oil Substances 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、絶縁コアや束ねテープなどと過度に接着しな
いようにした水蜜ケーブル用遮水充填剤に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a water-shielding filler for water cables that prevents excessive adhesion to insulating cores, binding tapes, and the like.
従来の技術及び問題点
潜水艦などに用いられろ水密ケーブルは、一般に複数の
絶縁コアの撚線と、この撚線間に充填されると共に場合
によっては撚線の外周にも設けられた遮水充填剤と、こ
の遮水充填剤からなるカバ一層ないし撚線の外周に巻回
された束ねテープと、外層のシースからなる構造を有し
ており、かかる構造により高度な遮水性ないし水蜜性が
実現されている。Conventional Technology and Problems Watertight cables used in submarines, etc. generally have a plurality of stranded wires with insulated cores, and a water-shielding filling that is filled between the strands and, in some cases, also around the outer periphery of the strands. It has a structure consisting of a cover made of this water-blocking filler or a binding tape wrapped around the outer circumference of the stranded wire, and an outer sheath, and this structure achieves a high level of water-blocking or water-retaining property. has been done.
従来、前記した遣水充填剤としては水密性や、得られる
ケーブルの可とう性などの点からパテ状態に近い未加硫
ゴムが用いられていた。Conventionally, unvulcanized rubber, which is close to a putty state, has been used as the above-mentioned water-permeable filler in terms of watertightness and flexibility of the resulting cable.
しかしながら、シース層を押出成形して加硫処理する際
の熱で、その未加硫ゴムが絶縁コアや束ねテープと強く
接着し、ケーブル施工時における絶縁コアの取り出しが
困難になるという問題点があった。However, the heat generated during extrusion molding and vulcanization of the sheath layer causes the unvulcanized rubber to strongly adhere to the insulating core and binding tape, making it difficult to remove the insulating core during cable construction. there were.
問題点を解決するための手段
本発明は、前記の問題点を克服した水蜜ケーブル用遮水
充填剤を提供するものである。Means for Solving the Problems The present invention provides a water-shielding filler for water cables that overcomes the above-mentioned problems.
すなわち、本発明は、エチレン・プロピレン・ジエンゴ
ムと、硬度（ショアＡ）が７５〜９０の非ハロゲン系ポ
リマを、前者／後者の重量比で７０／３０〜３０／７０
の割合で配合してなり、その硬度（ショアＡ）が５０〜
８０であることを特徴とする水蜜ケーブル用遮水充填剤
を要旨とするものである。That is, the present invention uses ethylene propylene diene rubber and a non-halogen polymer having a hardness (Shore A) of 75 to 90 in a weight ratio of 70/30 to 30/70.
The hardness (Shore A) is 50~
The main subject of the present invention is a water-shielding filler for a water-tight cable, which is characterized by having a hardness of 80%.
作用
前記構成により、非ハロゲン系ポリマに基づ（接着抑制
効果と共に、満足できる充填性、水蜜性を有する遣水充
填剤とすることができる。Effects With the above structure, it is possible to obtain a water repellent filler based on a non-halogenated polymer (having an adhesion suppressing effect as well as satisfactory filling properties and water-repellent properties).
発明の構成要素の例示
本発明において用いられるエチレン・プロピレン・ジエ
ンゴムについては、成分の共重合割合やジエン成分の種
類などについて特に限定はな（、公知のものが用いられ
る。Examples of Constituent Elements of the Invention Regarding the ethylene-propylene-diene rubber used in the present invention, there are no particular limitations on the copolymerization ratio of the components or the type of diene component (although known rubbers may be used).
本発明において用いられる非ハロゲン系ポリマは、ハロ
ゲンを含有しないものであり、硬度がショアＡ硬度で７
５〜９０のものである。硬度が前記範囲にあるものは、
結晶性ポリマであっても用いつる。The non-halogen-based polymer used in the present invention does not contain halogen and has a hardness of 7 on the Shore A scale.
5 to 90. Those whose hardness is within the above range,
Even crystalline polymers can be used.
好ましく用いつる非ハロゲン系ポリマとしては、エチレ
ン・ブテン共重合体、エチレン・プロピレン共重合体、
エチレン・酢酸ビニル共重合体などをあげることができ
る。Preferably used non-halogenated polymers include ethylene/butene copolymer, ethylene/propylene copolymer,
Examples include ethylene/vinyl acetate copolymer.
本発明の遮水充填剤は、エチレン・プロピレン・ジエン
ゴムと非ハロゲン系ポリマの配合物からなるものである
。エチレン争プロピレン・ジエンゴムと非ハロゲン系ポ
リマの配合比としては、前者／後者の重量比でＴｏ／３
０〜３０／７０の割合が適当である。その非ハロゲン系
ポリマの配合割合が３０未満であると接着抑制効果に乏
しくなるし、７０を超えると充填性に乏しくなり、水蜜
性や可とう性に優れるケーブルが得にくくなる。The water-blocking filler of the present invention is composed of a blend of ethylene propylene diene rubber and a non-halogen polymer. The blending ratio of propylene/diene rubber to ethylene and non-halogenated polymer is To/3 in weight ratio of the former/latter.
A ratio of 0 to 30/70 is suitable. If the blending ratio of the non-halogenated polymer is less than 30, the adhesion suppressing effect will be poor, and if it exceeds 70, the filling property will be poor, making it difficult to obtain a cable with excellent water resistance and flexibility.
本発明の遮水充填剤はショアＡ硬度で５０〜８０、好ま
しくは５５〜７５の硬度を有するものである。その硬度
が５０未満のものは接着抑制効果に乏しいし、８０を超
えるものは充填性に乏しくて可とう性、水密性に優れる
ケーブルが得にくくなる。The water-blocking filler of the present invention has a Shore A hardness of 50 to 80, preferably 55 to 75. If the hardness is less than 50, the adhesion suppressing effect is poor, and if it is more than 80, the filling property is poor, making it difficult to obtain a cable with excellent flexibility and watertightness.
本発明の遮水充填剤は前記の硬度を維持する範囲におい
て、ゴム組成物に通常配合されることのある添加剤、例
えば水酸化アルミニウム、水酸化マグネシウム、赤燐、
ホウ酸亜鉛、三酸化アンチモン、酸化亜鉛、クレー、タ
ルク、カーボンブラック、ステアリン酸、プロセス油、
ワックスなどの具体例で代表される難燃剤、充填剤、老
化防止剤、軟化剤などを通常量、含有していてもよい。The water-blocking filler of the present invention may contain additives that are usually incorporated into rubber compositions, such as aluminum hydroxide, magnesium hydroxide, red phosphorus, etc., within the range that maintains the hardness described above.
Zinc borate, antimony trioxide, zinc oxide, clay, talc, carbon black, stearic acid, process oil,
It may contain a flame retardant exemplified by wax, a filler, an anti-aging agent, a softener, etc. in normal amounts.
本発明の遮水充填剤は、潜水艦などのように湿潤な雰囲
気となりやすいところに通例用いられろ水密ケーブルの
形成に用いられるもであり、特に絶縁コアの絶縁材がハ
ロゲンを含有しないものの場合に、有利に用いられる。The water-blocking filler of the present invention is commonly used in places where the atmosphere is likely to be humid, such as submarines, and is used to form watertight cables, especially when the insulating material of the insulating core does not contain halogen. , used advantageously.
発明の効果
本発明の水密ケーブル用遮水充填剤は、水蜜性、可とう
性、充填性などに優れるほか、シース層を加硫処理する
際の熱によっても絶縁コアや束ねテープと強（接着しな
い特性を有している。その結果、絶縁コアを容易に取り
出すことができて、施工性に優れる水密ケーブルとする
ことができる。Effects of the Invention The water-shielding filler for watertight cables of the present invention not only has excellent water-repellency, flexibility, and filling properties, but also has strong (adhesive) properties with the insulating core and binding tape due to the heat generated during vulcanization of the sheath layer. As a result, the insulating core can be easily taken out, making it possible to create a watertight cable with excellent workability.
実施例
実施例１
エチレン・プロピレン・ジエンゴム（ＥＰ２１、日本合
成ゴム社製）５０部（重量部、以下同様）と、エチレン
・ブテン共重合体（タフマーＡ４０９０、三片石油化学
社製〉５０部と、酸化亜鉛５部と、ステアリン酸２部と
、水酸化アルミニウム（ハイシライト８４２Ｍ、昭和軽
金属社製）７０部と、ナフテン系プロセス油（サンセン
４２４０．日本サンオイル社製）５部と、カーボンブラ
ック１０部との混合物からなる遮水充填剤を得た。Examples Example 1 Ethylene-propylene-diene rubber (EP21, manufactured by Japan Synthetic Rubber Co., Ltd.) 50 parts (by weight, the same applies hereinafter), ethylene-butene copolymer (Tafmer A4090, manufactured by Mikata Petrochemical Co., Ltd.) 50 parts , 5 parts of zinc oxide, 2 parts of stearic acid, 70 parts of aluminum hydroxide (Hisilite 842M, manufactured by Showa Light Metal Co., Ltd.), 5 parts of naphthenic process oil (Sansen 4240, manufactured by Nippon Sunoil Co., Ltd.), and 10 parts of carbon black. A water-blocking filler was obtained consisting of a mixture of
実施例２
エチレン・ブテン共重合体に代えて、エチレン・プロピ
レン共重合体（Ｘ−７５、三片石油化学社製）を用いた
ほかは実施例１に準じて遮水充填剤を得た。Example 2 A water-blocking filler was obtained according to Example 1, except that an ethylene-propylene copolymer (X-75, manufactured by Mikata Petrochemical Co., Ltd.) was used instead of the ethylene-butene copolymer.
実施例３
エチレン・プロピレン・ジエンゴムの配合量を７０部と
すると共に、エチレン・ブテン共重合体に代えて、エチ
レン・酢酸ビニル共重合体くエバートに２０１０．三片
石油化学社製）３０部を用いたほかは実施例１に準じて
遮水充填剤を得た。Example 3 The blending amount of ethylene-propylene-diene rubber was 70 parts, and in place of the ethylene-butene copolymer, ethylene-vinyl acetate copolymer was used. A water-blocking filler was obtained according to Example 1, except that 30 parts of the filler (manufactured by Mikata Petrochemical Co., Ltd.) was used.
実施例４
赤燐（ノーバレット＃１２０、燐化学社製）１０部を追
加配合したほかは実施例２に準じて遮水充填剤を得た。Example 4 A water-blocking filler was obtained according to Example 2, except that 10 parts of red phosphorus (Noballet #120, manufactured by Rin Kagaku Co., Ltd.) was additionally blended.
実施例Ｓ
エチレン・プロピレン・ジエンゴムの配合量を３０部と
すると共に、エチレン・プロピレン共重合体の配合量を
７０部としたほかは実施例２に準じて遮水充填剤を得た
。Example S A water-blocking filler was obtained according to Example 2, except that the amount of ethylene-propylene-diene rubber was 30 parts and the amount of ethylene-propylene copolymer was 70 parts.
実施例６
水酸化アルミニウムに代えて、水酸化マグネシウム（キ
スマー５Ｂ、協和化学社製）１３０部を用い、ナフテン
系プロセス油の配合量を８部としたほかは実施例４に準
じて遮水充填剤を得た。Example 6 Waterproof filling was carried out according to Example 4, except that 130 parts of magnesium hydroxide (Kismer 5B, manufactured by Kyowa Kagaku Co., Ltd.) was used instead of aluminum hydroxide, and the amount of naphthenic process oil was 8 parts. obtained the drug.
比較例１
エチレン・プロピレン・ジエンゴムの配合量を１００部
とし、エチレン・ブテン共重合体を配合しないほかは実
施例１に準じて遮水充填剤を得た。Comparative Example 1 A water-blocking filler was obtained according to Example 1, except that the amount of ethylene-propylene-diene rubber was 100 parts and the ethylene-butene copolymer was not blended.
比較例２
エチレン・プロピレン共重合体の配合量を１００部とし
、エチレン・プロピレン・ジエンゴムを配合しないほか
は実施例２に準じて遮水充填剤を得た。Comparative Example 2 A water-blocking filler was obtained in accordance with Example 2, except that the amount of the ethylene-propylene copolymer was 100 parts, and the ethylene-propylene-diene rubber was not blended.
評価試験
［硬度］
実施例、比較例で得た遮水充填剤を７０〜１２０℃の２
本ロールで混練し、これを１２０〜１３０℃で１０分間
プレス成形して厚さ約３ＩＩＩＩｍのシートとし、この
シートにつきＪＩＳ Ｋ ６３０１に準拠して硬度
を測定した。Evaluation test [Hardness] The water-blocking fillers obtained in Examples and Comparative Examples were
The mixture was kneaded using this roll, and then press-molded at 120 to 130°C for 10 minutes to form a sheet with a thickness of about 3IIIm, and the hardness of this sheet was measured in accordance with JIS K 6301.
［接着抑制性］
エチレン・プロピレン・ジエンゴムで絶縁されたコアを
用いた３芯撚線を押出方式で得る際に、その中心の隙間
に紐状に成形した実施例又は比較例の遮水充填剤の混練
物を撚込みながら形成すると共に、各コア間に充填した
。その後、所定の厚さでハロゲンを含有しないゴムから
なるシース層を押出方式で形成し、そのシース層を１５
０℃で６０分間加硫処理して３×１４−の水蜜ケーブル
を得た。[Adhesion suppression property] Water-shielding filler of Examples or Comparative Examples formed into a string shape in the center gap when a three-core stranded wire using a core insulated with ethylene-propylene-diene rubber is obtained by extrusion method. The kneaded material was formed by twisting and filled between each core. Thereafter, a sheath layer made of halogen-free rubber is formed to a predetermined thickness using an extrusion method, and the sheath layer is
Vulcanization treatment was performed at 0° C. for 60 minutes to obtain a 3×14-sized water honey cable.
次に、得られた水密ケーブルを分解し、コアの絶縁層と
遮水充填剤との接着状態を調べ、引き剥がしが容易な場
合（密着していても接着していないもの、弱い接着で容
易に引き剥がせるものなど）を０１引き剥がしが困難な
場合を×として評価した。Next, the obtained watertight cable is disassembled and the adhesion state between the core insulation layer and the water-blocking filler is examined. (e.g. those that can be peeled off) were evaluated as 01, and those that were difficult to peel off were evaluated as ×.
［気密性１
水密性及び充填性並びに可とう性を評価する目的で、前
記で得た水蜜ケーブル３ｍをケーブル径の１００倍に曲
げた状態で、その一端より窒素ガスを１５２ｍＡｑ圧で
吹き込み、他端より流出した窒素ガスをメスシリンダ内
に集め、その採集量が５０■となるまでの時間を調べ、
その時間が１時間を超える場合を○、１時間以下の場合
を×として評価した。[Airtightness 1] For the purpose of evaluating watertightness, filling properties, and flexibility, the 3 m water cable obtained above was bent to 100 times the cable diameter, and nitrogen gas was blown into it at a pressure of 152 mAq from one end. Collect the nitrogen gas flowing out from the end into a measuring cylinder, and check the time it takes for the collected amount to reach 50μ.
A case where the time exceeded 1 hour was evaluated as ○, and a case where the time was 1 hour or less was evaluated as ×.
結果を表に示した。The results are shown in the table.
Claims (1)
アＡ）が７５〜９０の非ハロゲン系ポリマとを、前者／
後者の重量比で７０／３０〜３０／７０の割合で配合し
てなり、その硬度（ショアＡ）が５０〜８０であること
を特徴とする水密ケーブル用遮水充填剤。1. Ethylene propylene diene rubber and a non-halogen polymer with a hardness (Shore A) of 75 to 90, the former /
A water-shielding filler for a watertight cable, characterized in that the latter is blended in a weight ratio of 70/30 to 30/70, and has a hardness (Shore A) of 50 to 80.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9058487A JPH07116422B2 (en) | 1987-04-13 | 1987-04-13 | Impermeable filler for watertight cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9058487A JPH07116422B2 (en) | 1987-04-13 | 1987-04-13 | Impermeable filler for watertight cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63256682A true JPS63256682A (en) | 1988-10-24 |
| JPH07116422B2 JPH07116422B2 (en) | 1995-12-13 |
Family
ID=14002494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9058487A Expired - Fee Related JPH07116422B2 (en) | 1987-04-13 | 1987-04-13 | Impermeable filler for watertight cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07116422B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395470A (en) * | 2022-07-26 | 2022-11-25 | 沪东中华造船(集团)有限公司 | Marine cable water-blocking ribbon device and water-blocking method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101486535B1 (en) * | 2014-07-02 | 2015-01-27 | (주)로이포스 | Method for water-barrier tape for electric cable |
-
1987
- 1987-04-13 JP JP9058487A patent/JPH07116422B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395470A (en) * | 2022-07-26 | 2022-11-25 | 沪东中华造船(集团)有限公司 | Marine cable water-blocking ribbon device and water-blocking method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07116422B2 (en) | 1995-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |