JPH02252556A - Composite pipe - Google Patents

Composite pipe

Info

Publication number
JPH02252556A
JPH02252556A JP7616089A JP7616089A JPH02252556A JP H02252556 A JPH02252556 A JP H02252556A JP 7616089 A JP7616089 A JP 7616089A JP 7616089 A JP7616089 A JP 7616089A JP H02252556 A JPH02252556 A JP H02252556A
Authority
JP
Japan
Prior art keywords
thermoplastic resin
vibrator
fiber
reinforcing
resin
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
Application number
JP7616089A
Other languages
Japanese (ja)
Other versions
JP2533640B2 (en
Inventor
Kiyoyasu Fujii
藤井 清康
Kazuo Shimomura
和夫 下村
Kazuyoshi Yamamoto
山本 和芳
Masahiro Ishii
正裕 石居
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP1076160A priority Critical patent/JP2533640B2/en
Publication of JPH02252556A publication Critical patent/JPH02252556A/en
Application granted granted Critical
Publication of JP2533640B2 publication Critical patent/JP2533640B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To obtain a composite pipe excellent in watertightness and impact resistance by welding a reinforcing layer composed of a thermoplastic resin reinforced by a continuous fiber to the outer periphery of a thermoplastic resin pipe containing no reinforcing fiber. CONSTITUTION:A composite pipe A is formed by integrally welding a reinforcing layer 21 to the outer periphery of a thermoplastic resin pipe 20. The thermoplastic resin pipe 20 being an inner layer is formed from a thermoplastic resin containing no reinforcing fiber. As the thermoplastic resin, polyvinyl chloride, polyethylene, polypropylene or the like are used. The thermoplastic resin pipe 20 can be usually molded by extrusion molding. The resin of the reinforcing layer 21 may be same to or different from the resin of the thermoplastic resin pipe 20 but it is pref. to use the same kind of a resin because the welding strength between the thermoplastic resin pipe 20 and the reinforcing layer 21 can be enhanced. As the reinforcing fiber, a glass fiber, a carbon fiber, a polyester fiber and a polyamide fiber are used.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、樹脂層が複数層積層された複合バイブに関す
る。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a composite vibrator in which a plurality of resin layers are laminated.

(従来の技術) 合成樹脂製バイブは、軽量であり、錆びない等、金属製
バイブと比較して優れた特性を有しており、従来より広
く用いられている。しかし、合成樹脂製パイプは、耐水
性及び耐衝撃性において金属製バイブに劣っている。
(Prior Art) Synthetic resin vibrators have superior properties compared to metal vibrators, such as being lightweight and not rusting, and have been widely used in the past. However, synthetic resin pipes are inferior to metal vibrators in terms of water resistance and impact resistance.

これらの問題を解決する手段として、繊維強化熱硬化性
樹脂製バイブ(特開昭62−244621号公報)及び
繊維強化熱可塑性樹脂製バイブ(特開昭61−2208
24号公報、特開昭62−244622号公報)が提案
され、また熱可塑性樹脂製バイブの外周に繊維強化熱硬
化性樹脂層を設けたバイブ(特開昭59−47590号
公報、特開昭60−162632号公報、特公昭62−
773号公報)が提案されている。
As a means to solve these problems, a vibrator made of fiber-reinforced thermosetting resin (Japanese Unexamined Patent Publication No. 62-244621) and a vibrator made of fiber-reinforced thermoplastic resin (Japanese Unexamined Patent Publication No. 61-2208) are proposed.
No. 24, JP-A No. 62-244622) has been proposed, and a vibrator in which a fiber-reinforced thermosetting resin layer is provided around the outer periphery of a thermoplastic resin vibrator (JP-A No. 59-47590, JP-A-Sho Publication No. 60-162632, Special Publication No. 62-
No. 773) has been proposed.

(発明が解決しようとする課題) しかし、繊維強化熱硬化性樹脂製バイブ及び繊維強化熱
熱可塑性樹脂製バイブは、強度及び耐衝撃性において優
れているが、強化繊維と樹脂との間、あるいは強化繊維
間に微細な間隙が形成され易く、強化繊維を含まない合
成樹脂製パイプに比べ水密性に劣っている。
(Problems to be Solved by the Invention) However, although the fiber-reinforced thermosetting resin vibrator and the fiber-reinforced thermosetting resin vibrator have excellent strength and impact resistance, Fine gaps are likely to be formed between reinforcing fibers, resulting in poor watertightness compared to synthetic resin pipes that do not contain reinforcing fibers.

また、熱可塑性樹脂バイブの外周に繊維強化熱硬化性樹
脂層を設けたバイブは、水密性に優れてはいるが、熱可
塑性樹脂バイブと繊維強化熱硬化性樹脂層との接着性が
悪く、衝撃を受けた時に両層の界面で剥離し易いという
欠点があつた。
Furthermore, a vibrator in which a fiber-reinforced thermosetting resin layer is provided around the outer periphery of a thermoplastic resin vibrator has excellent watertightness, but has poor adhesion between the thermoplastic resin vibe and the fiber-reinforced thermosetting resin layer. The drawback was that the two layers tend to peel off at the interface when subjected to impact.

本発明は上記欠点を解決したものであり、水密性に優れ
、かつ耐衝撃性に優れた複合バイブを提供することを目
的とする。
The present invention solves the above-mentioned drawbacks, and aims to provide a composite vibrator with excellent watertightness and impact resistance.

(課題を解決するための手段) 本発明の複合バイブは、強化繊維を含まない熱可塑性樹
脂バイブの外周に、連続繊維で強化された熱可塑性樹脂
の強化層が融着されてなり、そのことにより上記目的が
達成される。
(Means for Solving the Problems) The composite vibrator of the present invention has a reinforced layer of thermoplastic resin reinforced with continuous fibers fused to the outer periphery of a thermoplastic resin vibrator that does not contain reinforcing fibers. The above objective is achieved.

内層の熱可塑性樹脂バイブは、強化繊維を含まない熱可
塑性樹脂で形成されているので、水密性に優れている。
The inner layer thermoplastic resin vibrator is made of a thermoplastic resin that does not contain reinforcing fibers, so it has excellent watertightness.

外層の強化層は、連続する繊維で強化された熱可塑性樹
脂で形成されているので、耐衝撃性に優れている。また
、内層と外層は熱可塑性樹脂で形成されていてその樹脂
の融着により一体化されているので、衝撃等を受けたと
しても両店の界面で剥離し難い。
The outer reinforcing layer is made of a thermoplastic resin reinforced with continuous fibers, so it has excellent impact resistance. Further, since the inner layer and the outer layer are made of thermoplastic resin and are integrated by fusion of the resin, it is difficult for the inner layer and the outer layer to separate at the interface between the two layers even if subjected to an impact or the like.

以下に本発明の詳細な説明する。The present invention will be explained in detail below.

第1図に示すように、本発明の複合バイブAは、熱可塑
性樹脂バイブ20の外周に強化層21を融着−体化させ
て形成されている。
As shown in FIG. 1, the composite vibrator A of the present invention is formed by fusing and bonding a reinforcing layer 21 to the outer periphery of a thermoplastic resin vibrator 20. As shown in FIG.

内層の熱可塑性樹脂バイブ20は、強化繊維1を含まな
い熱可塑性樹脂で形成されている。この熱可塑性樹脂と
しては、バイブ状に成形可能な樹脂であれば特に制限な
く使用でき、例えば、ポリ塩化ビニル、ポリエチレン、
ポリプロピレン、ポリアミド、ポリフェニレンサルファ
イド、ポリエーテルエーテルケトン等が用いられる。ま
た、これらの熱可塑性樹脂の混合物も使用し得る。さら
に、安定剤、潤滑剤、加工助剤、可塑剤、染料、顔料の
ような添加剤が熱可塑性樹脂に添加されていてもよい。
The inner layer thermoplastic resin vibe 20 is made of a thermoplastic resin that does not contain the reinforcing fibers 1. As this thermoplastic resin, any resin that can be molded into the shape of a vibrator can be used without any particular restrictions.For example, polyvinyl chloride, polyethylene,
Polypropylene, polyamide, polyphenylene sulfide, polyether ether ketone, etc. are used. Mixtures of these thermoplastics may also be used. Additionally, additives such as stabilizers, lubricants, processing aids, plasticizers, dyes, and pigments may be added to the thermoplastic resin.

熱可塑性樹脂バイブ20は、通常、押出成形により成形
することができる。
The thermoplastic resin vibe 20 can usually be molded by extrusion molding.

外層の強化層21は、強化繊維で補強された熱可塑性樹
脂で形成されている。熱可塑性樹脂は、上記熱可塑性樹
脂バイブ20に融着可能な樹脂が選定され、熱可塑性樹
脂バイブ20に用いた樹脂があげられる。強化層21の
樹脂は熱可塑性樹脂バイブ20と同一種類の樹脂であっ
ても異なってもよいが、同一種類の樹脂を用いるのが、
熱可塑性樹脂バイブ20と強化層21間の融着強度を高
めることができるので好ましい。また、内層の熱可塑性
樹脂バイブ20の熱可塑性樹脂に比べて融着温度、融着
粘度あるいは重合度の低い樹脂を選定するのが、融着工
程において熱可塑性樹脂バイブ20の変形が起こり難く
、高い融着強度が得られるので好ましい。
The outer reinforcing layer 21 is made of thermoplastic resin reinforced with reinforcing fibers. As the thermoplastic resin, a resin that can be fused to the thermoplastic resin vibrator 20 is selected, and examples thereof include the resin used for the thermoplastic resin vibrator 20. The resin of the reinforcing layer 21 may be the same type of resin as the thermoplastic resin vibe 20 or different, but it is preferable to use the same type of resin.
This is preferable because the strength of the fusion bond between the thermoplastic resin vibe 20 and the reinforcing layer 21 can be increased. In addition, selecting a resin with a lower fusion temperature, fusion viscosity, or degree of polymerization than the thermoplastic resin of the thermoplastic resin vibrator 20 of the inner layer makes it difficult for the thermoplastic resin vibrator 20 to deform during the fusion process. This is preferred because high fusion strength can be obtained.

強化繊維1としては、強化層21として使用する熱可塑
性樹脂の溶融温度以上の耐熱性を有する繊維が選ばれる
。例えば、ガラス繊維、炭素繊維、ボロン繊維、微細な
金属繊維等の無機繊維や、アラミド繊維、エコノール繊
維、ポリエステル繊維、ポリアミド繊維等の耐熱性有機
繊維が好適に用いられる。これらの強化繊維はモノフィ
ラメント状のもの、あるいは多数のモノフィラメントを
収束したストランド、ロービング状態のものいずれでも
使用できる。
As the reinforcing fiber 1, a fiber having a heat resistance higher than the melting temperature of the thermoplastic resin used as the reinforcing layer 21 is selected. For example, inorganic fibers such as glass fibers, carbon fibers, boron fibers, and fine metal fibers, and heat-resistant organic fibers such as aramid fibers, econol fibers, polyester fibers, and polyamide fibers are preferably used. These reinforcing fibers can be used in the form of monofilaments, strands of a large number of monofilaments, or rovings.

本発明の複合パイプAは種々の方法によって製造されて
よ(、例えば、第2図に示すように押出成形によって得
られた熱可塑性樹脂バイブ20の外周に、上記強化繊維
に熱可塑性樹脂を付着または含浸した紐状あるいはテー
プ状のプリプレグ10を、プリプレグlO及びバイブ2
0表面を熱風等を用いた加熱装置30で加熱溶融させな
がら、熱可塑性樹脂バイブ20を矢印方向に回転するこ
とによりパイプ20表面にプリプレグ10を巻き付けて
得られる。プリプレグlOをパイプ20外周に巻き付け
る際には、バイブ20がその巻き付は力で変形しないよ
うにバイブ20の内側に、内面に接する金属製心材を挿
入した状態で行ってもよい。
The composite pipe A of the present invention can be manufactured by various methods (for example, as shown in FIG. 2, a thermoplastic resin is attached to the reinforcing fibers on the outer periphery of a thermoplastic resin vibe 20 obtained by extrusion molding. Alternatively, the impregnated string-like or tape-like prepreg 10 is combined with the prepreg lO and the vibrator 2.
The prepreg 10 is obtained by wrapping the prepreg 10 around the surface of the pipe 20 by rotating the thermoplastic resin vibrator 20 in the direction of the arrow while heating and melting the surface with a heating device 30 using hot air or the like. When wrapping the prepreg lO around the outer periphery of the pipe 20, the wrapping may be performed with a metal core material in contact with the inner surface inserted inside the vibrator 20 to prevent the vibrator 20 from being deformed by force.

上記プリプレグ10を巻回するロールloaの軸方向は
、熱可塑性樹脂パイプ20の軸方向に対して傾斜させて
配置し、熱可塑性樹脂バイブ20の軸方向に対して所定
角度でプリプレグ10を巻回するのがよく、またプリプ
レグ10がパイプ20外周で互いに交差するように、複
数のプリプレグ10を巻回してもよく、このようにすれ
ば耐衝撃性に優れた複合バイブAが得られる。
The axial direction of the roll loa around which the prepreg 10 is wound is arranged to be inclined with respect to the axial direction of the thermoplastic resin pipe 20, and the prepreg 10 is wound at a predetermined angle with respect to the axial direction of the thermoplastic resin vibe 20. Alternatively, a plurality of prepregs 10 may be wound so that the prepregs 10 intersect with each other on the outer periphery of the pipe 20. In this way, a composite vibe A with excellent impact resistance can be obtained.

強化層21は強化繊維lがモノフィラメント状態で分散
し、モノフィラメント間に熱可塑性樹脂が充分含浸して
いるのが好ましい。このような強化層21を得る方法と
しては、例えば、第3図に示す方法があげられる。すな
わち、粉末状の熱可塑性樹脂2がエアー4により流動化
している流動床3中をロービング状の強化繊維1を通過
させて、強化繊維1を構成するモノフィラメント間に粉
体状の熱可塑性樹脂2を付着させ、その後、加熱ロール
5により加圧下、樹脂を溶融させて強化繊維1と一体化
することによりプリプレグ10を得、得られたプリプレ
グ10を上記したように熱可塑性樹脂バイブ20上に、
プリプレグ】0及びバイブ20表面を熱風加熱装置30
で加熱溶融させ両者を融着させながら巻き付けることに
より得られる。
In the reinforcing layer 21, reinforcing fibers 1 are preferably dispersed in the form of monofilaments, and the thermoplastic resin is preferably sufficiently impregnated between the monofilaments. An example of a method for obtaining such a reinforcing layer 21 is the method shown in FIG. 3. That is, the roving-shaped reinforcing fibers 1 are passed through a fluidized bed 3 in which powdered thermoplastic resin 2 is fluidized by air 4, and the powdered thermoplastic resin 2 is passed between the monofilaments constituting the reinforcing fibers 1. Thereafter, the resin is melted under pressure by the heating roll 5 and integrated with the reinforcing fibers 1 to obtain the prepreg 10, and the obtained prepreg 10 is placed on the thermoplastic resin vibe 20 as described above.
[Prepreg] 0 and the vibrator 20 surface with hot air heating device 30
It is obtained by heating and melting the two and winding them together while fusing them.

強化層21における強化繊維1と熱可塑性樹脂2の比率
は複合バイブAの要求物性や使用する樹脂、強化w4維
等によって適宜決定されるが、強化繊維量として5〜8
0容盟%の範囲とするのが好ましい。
The ratio of reinforcing fibers 1 to thermoplastic resin 2 in the reinforcing layer 21 is appropriately determined depending on the required physical properties of the composite vibe A, the resin used, the reinforcing W4 fibers, etc., but the amount of reinforcing fibers is 5 to 8.
The range is preferably 0% by volume.

5容量%を下回ると補強効果が低下し、また80容盟%
を超えると強化層21と熱可塑性樹脂バイブ20との融
着性が低下する。熱可塑性樹脂バイブ20及び強化層2
1の厚さは適宜決定されるが、0.5〜20mmが通常
選択される。
If it is less than 5% by volume, the reinforcing effect will decrease, and if it is less than 80% by volume.
If it exceeds this, the fusion properties between the reinforcing layer 21 and the thermoplastic resin vibe 20 will decrease. Thermoplastic resin vibe 20 and reinforcing layer 2
Although the thickness of 1 is determined as appropriate, 0.5 to 20 mm is usually selected.

(実施例) 次に、本発明を実施例に基づいて具体的に説明する。(Example) Next, the present invention will be specifically explained based on examples.

1皇側、 〔熱可塑性樹脂バイブの成形〕 ポリ塩化ビニル(平均重合度800)・・・100重量
部ブチル錫マレエート系安定剤・・・3重量部ポリエチ
レンワックス・・・0.5重量1部アリルアルコール・
・・1jlll 顔料・・・1重量部 以上の配合物より押出成形により、外径50關、肉厚4
+amの熱可塑性樹脂パイプを得た。
1 Emperor's side, [Forging of thermoplastic resin vibrator] Polyvinyl chloride (average degree of polymerization 800)...100 parts by weight Butyltin maleate stabilizer...3 parts by weight Polyethylene wax...0.5 parts by weight Allyl alcohol・
...1jllll Pigment...By extrusion molding from a compound containing 1 part by weight or more, the outer diameter is 50 mm and the wall thickness is 4 mm.
A thermoplastic resin pipe of +am was obtained.

〔プリプレグの作成〕[Creation of prepreg]

ポリ塩化ビニル(平均重合度400)・・・100II
11部ブチル錫マレエート系安定剤・・・3重量部ポリ
エチレンワックス・・・0.5重量部ステアリルアルコ
ール・・・imm部 以上の配合物をスーパーミキサーで混合しテ粉体状混合
物を得、この混合物で第3図に示す流動床3を形成し、
この流動床3中を、直径13μmのモノフィラメントが
多数収束されてなるロービング状ガラス繊維1を通過さ
せ、モノフィラメント間に上記粉体状混合物を付着させ
た後、約200°Cの加熱ロールで加圧しつつ樹脂を溶
融させ、幅約50m臥厚み0.5關、ガラス繊維量約2
5重量%のプリプレグチーブを得た。
Polyvinyl chloride (average degree of polymerization 400)...100II
11 parts Butyltin maleate stabilizer...3 parts by weight Polyethylene wax...0.5 parts by weight Stearyl alcohol...More than imm parts of the formulation were mixed in a super mixer to obtain a powdery mixture. Forming a fluidized bed 3 shown in FIG. 3 with the mixture,
Through this fluidized bed 3, a roving-shaped glass fiber 1 consisting of a large number of converged monofilaments with a diameter of 13 μm is passed through, and the powdery mixture is adhered between the monofilaments. The resin is melted, and the width is about 50 meters, the thickness is 0.5 meters, and the amount of glass fiber is about 2.
A 5% by weight prepreg chive was obtained.

次に、上記で得られた熱可塑性樹脂バイブ表面及びプリ
プレグチーブを約300°Cの熱風加熱袋Uで加熱溶融
させながら、プリプレグテープをバイブの軸方向に対し
て約+75°傾斜させてバイブ外周に連続的に巻き付け
て強化層を設けた。続いて、上記強化層の上に、前回と
は逆方自からバイブの軸方向に対して、約−75°傾斜
させて上記強化層の巻回方向と交差するようにプリプレ
グチーブを、強化層表面とプリプレグチーブを溶融させ
ながら連続的に巻き付けた。続いて、さらに同様の方法
で+756傾斜させて別のプリプレグチーブを強化層上
に巻き付け、さらに−75°傾斜させて別のプリプレグ
チーブを強化層上に巻き付け、合計4層の強化層を熱可
塑性樹脂バイブ周囲に設けて複合バイブを得た。
Next, while heating and melting the surface of the thermoplastic resin vibrator and the prepreg chive obtained above in a hot air heating bag U at about 300°C, the prepreg tape is tilted at about +75° with respect to the axial direction of the vibrator, and the outer circumference of the vibrator is A reinforcing layer was provided by continuously wrapping the material around the material. Next, a prepreg chive is placed on top of the reinforcing layer so as to be inclined at about -75 degrees from the previous direction to the axial direction of the vibrator and intersect with the winding direction of the reinforcing layer. The surface and prepreg chives were continuously wrapped while melting. Subsequently, in the same manner, another prepreg chive is wrapped on the reinforcing layer with an inclination of +756 degrees, and another prepreg chive is wrapped on the reinforcing layer with an inclination of -75 degrees, so that a total of four reinforcement layers are made of thermoplastic. A composite vibrator was obtained by installing it around the resin vibrator.

得られた複合バイブは、強化繊維を含まない熱可塑性樹
脂バイブの外周に強化繊維が互いに交差するように巻き
付けられた強化層(厚み約2 mm)が融着されたもの
であった。
The obtained composite vibrator had a reinforcing layer (approximately 2 mm thick) in which reinforcing fibers were wound so as to intersect with each other, and was fused to the outer periphery of a thermoplastic resin vibe that did not contain reinforcing fibers.

この複合パイプを長さ20cmに切断して試料とし、バ
イブ試料上に直径50+uiの円筒形の鉄製錘(重量9
Kg)を高さ500cmから落下させた。バイブ試料は
破壊しなかつた。また衝撃部を切断し、断面を目視観察
したところ、内層の熱可塑性樹脂バイブと外層の強化層
との界面は接合した状態であり、剥離は認められなかっ
た。
This composite pipe was cut to a length of 20 cm as a sample, and a cylindrical iron weight with a diameter of 50+ ui (weight 9
Kg) was dropped from a height of 500 cm. The vibrator sample was not destroyed. Further, when the impact portion was cut and the cross section was visually observed, it was found that the interface between the inner layer thermoplastic resin vibe and the outer reinforcing layer was in a bonded state, and no peeling was observed.

監蚊且 実施例と同様にして肉厚2mmの強化繊維を含まない熱
可塑性樹脂バイブを得た。
A thermoplastic resin vibrator having a wall thickness of 2 mm and containing no reinforcing fibers was obtained in the same manner as in the examples.

硬化剤としてメチルエチルケトンパーオキサイドを1f
fiffi部、促進剤として6%ナフテン酸コバル) 
O,1fi11部を配合した不飽和ポリエステル樹脂(
日本ユビカ製、ユピカ# 5136)を含浸したガラス
繊維ロービング(直径]3μ冨のモノフィラメントが多
数収束されてなるロービング状ガラス繊維)を、実施例
と同様に上記バイブの軸方向に対して+75° −75
°の傾斜角度で交互に4層巻き付けて厚さ2+amの熱
硬化性樹脂層を設けた後、30°C雰囲気中に5時間放
置し、不飽和ポリエステル樹脂を得た。
1f of methyl ethyl ketone peroxide as a hardening agent
fiffi part, 6% cobal naphthenate as accelerator)
Unsaturated polyester resin containing 11 parts of O,1fi (
A glass fiber roving (roving-shaped glass fiber formed by converging a large number of monofilaments with a diameter of 3 μm) impregnated with U-Pica #5136 (manufactured by Nippon Ubika) was placed at +75° − to the axial direction of the above-mentioned vibrator as in the example. 75
After forming a thermosetting resin layer with a thickness of 2+ am by winding four layers alternately at an inclination angle of .degree., it was left in an atmosphere of 30.degree. C. for 5 hours to obtain an unsaturated polyester resin.

得られた複合バイブを2001こ切断したバイブ試料に
対して、実施例と同じ落錘試験を行うた。試料は破壊し
なかったが、衝撃部の切断面を目視観察したところ、内
層バイブと強化層とが剥離していた。
The same falling weight test as in the example was performed on a vibrator sample obtained by cutting 2001 pieces of the obtained composite vibrator. Although the sample did not break, visual observation of the cut surface of the impact part revealed that the inner layer vibrator and the reinforcing layer had peeled off.

(発明の効果) 本発明の複合パイプは、軽量であり、錆びることがなく
、しかも水密性と耐衝撃性に優れたバイブとして、種々
の用途に使用することができる。
(Effects of the Invention) The composite pipe of the present invention is lightweight, does not rust, and can be used for various purposes as a vibrator with excellent watertightness and impact resistance.

4、    の   な! 口。4. No! Mouth.

第1図は本発明の複合パイプの一実施例の断面図、第2
図及び第3図はその複合パイプの製造方法の一例を示す
説明図である。
Fig. 1 is a sectional view of one embodiment of the composite pipe of the present invention, Fig. 2 is a sectional view of an embodiment of the composite pipe of the present invention;
3 and 3 are explanatory diagrams showing an example of a method for manufacturing the composite pipe.

1・・・強化繊維、10・・・プリプレグ、20・・・
熱可塑性樹脂バイブ、21・・・強化層、A・・・複合
パイプ。
1... Reinforced fiber, 10... Prepreg, 20...
Thermoplastic resin vibe, 21... Reinforcement layer, A... Composite pipe.

以上 用1 第2図 第3図that's all Use 1 Figure 2 Figure 3

Claims (1)

【特許請求の範囲】[Claims] 1、強化繊維を含まない熱可塑性樹脂パイプの外周に、
連続繊維で強化された熱可塑性樹脂の強化層が融着され
てなる複合パイプ。
1. On the outer periphery of a thermoplastic resin pipe that does not contain reinforcing fibers,
A composite pipe made by fusion-bonding a reinforced layer of thermoplastic resin reinforced with continuous fibers.
JP1076160A 1989-03-27 1989-03-27 Composite pipe Expired - Fee Related JP2533640B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1076160A JP2533640B2 (en) 1989-03-27 1989-03-27 Composite pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1076160A JP2533640B2 (en) 1989-03-27 1989-03-27 Composite pipe

Publications (2)

Publication Number Publication Date
JPH02252556A true JPH02252556A (en) 1990-10-11
JP2533640B2 JP2533640B2 (en) 1996-09-11

Family

ID=13597308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1076160A Expired - Fee Related JP2533640B2 (en) 1989-03-27 1989-03-27 Composite pipe

Country Status (1)

Country Link
JP (1) JP2533640B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108876U (en) * 1983-12-27 1985-07-24 古河電気工業株式会社 Heat resistant piping material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108876U (en) * 1983-12-27 1985-07-24 古河電気工業株式会社 Heat resistant piping material

Also Published As

Publication number Publication date
JP2533640B2 (en) 1996-09-11

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