JPS6136857Y2 - - Google Patents
Info
- Publication number
- JPS6136857Y2 JPS6136857Y2 JP12999682U JP12999682U JPS6136857Y2 JP S6136857 Y2 JPS6136857 Y2 JP S6136857Y2 JP 12999682 U JP12999682 U JP 12999682U JP 12999682 U JP12999682 U JP 12999682U JP S6136857 Y2 JPS6136857 Y2 JP S6136857Y2
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- pipe
- tape
- reinforced resin
- fiber
- 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
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Description
【考案の詳細な説明】
本考案は、塩化ビニール管と繊維強化樹脂層と
からなる複合管に関するものである。[Detailed Description of the Invention] The present invention relates to a composite pipe consisting of a vinyl chloride pipe and a fiber-reinforced resin layer.
従来、此の種の複合管としては、例えば第１図
に示すように、塩化ビニール管１の外周面に繊維
強化樹脂層２を積層した複合管３が提案されてい
る。ところで、塩化ビニール管１の外周面に熱硬
化樹脂（ポリエステルなど）をコーテイングして
繊維強化樹脂層２を積層した場合、この繊維強化
樹脂に使用される溶材（スチレンなど）の大部分
は、硬化後は樹脂中に重合されてしまうが、一部
は硬化中に塩化ビニールに滲透することになる。
このように塩化ビニールに溶材が滲透すれば、塩
化ビニール管１の表面が劣化し、もろくなり、塩
化ビニール管１自体に少しの荷重でクラツクが発
生することになる。 Conventionally, as this type of composite pipe, a composite pipe 3 has been proposed in which a fiber-reinforced resin layer 2 is laminated on the outer peripheral surface of a vinyl chloride pipe 1, as shown in FIG. 1, for example. By the way, when the outer peripheral surface of the PVC pipe 1 is coated with a thermosetting resin (such as polyester) and the fiber reinforced resin layer 2 is laminated, most of the welding material (such as styrene) used for this fiber reinforced resin is hardened. The rest will be polymerized into the resin, but some will seep into the vinyl chloride during curing.
If the solvent penetrates into the vinyl chloride in this way, the surface of the vinyl chloride pipe 1 will deteriorate and become brittle, and the vinyl chloride pipe 1 itself will crack under a slight load.
本考案の目的とするところは、塩化ビニール管
の表面劣化を防止し得る複合管を提案する点にあ
る。 An object of the present invention is to propose a composite pipe that can prevent surface deterioration of vinyl chloride pipes.
上記目的を達成するために本考案では、塩化ビ
ニール管の外周面に塩化ビニールテープを多層に
巻装し、この塩化ビニールテープの外周に繊維強
化樹脂層を積層している。かかる構成によると、
クラツクは塩化ビニールテープの部分で発生する
ことになり、塩化ビニール管の表面劣化は防止し
得る。 In order to achieve the above object, in the present invention, vinyl chloride tape is wrapped in multiple layers around the outer peripheral surface of a vinyl chloride pipe, and a fiber-reinforced resin layer is laminated around the outer periphery of this vinyl chloride tape. According to such a configuration,
Cracks will occur in the vinyl chloride tape area, and surface deterioration of the vinyl chloride pipe can be prevented.
以下、本考案の一実施例を第２図に基づいて説
明する。先ず塩化ビニール管１０の外周面に塩化
ビニールテープ１１を多層に巻装する。この巻装
は塩化ビニールテープ１１を加熱した状態で締付
けるが如く行なわれる。したがつて冷却に伴つて
塩化ビニールテープ１１が収縮し、巻装はきつく
行なわれた状態になる。次に塩化ビニールテープ
１１の外周に繊維強化樹脂層１２を積層し、以つ
て複合管１３を成形する。 An embodiment of the present invention will be described below with reference to FIG. First, vinyl chloride tape 11 is wrapped around the outer peripheral surface of vinyl chloride pipe 10 in multiple layers. This wrapping is carried out by tightening the vinyl chloride tape 11 while it is heated. Accordingly, the vinyl chloride tape 11 contracts as it cools, and the wrapping becomes tight. Next, a fiber-reinforced resin layer 12 is laminated on the outer periphery of the vinyl chloride tape 11, thereby forming a composite pipe 13.
以上述べた本考案における複合管によると、塩
化ビニールテープによつて予備の滲透層を形成す
ることができ、繊維強化樹脂の硬化中に、その溶
材の一部は塩化ビニールテープに滲透して塩化ビ
ニール管への滲透を防止することができる。これ
により、クラツクは塩化ビニールテープの部分で
発生することになり、塩化ビニール管の表面劣化
は防止することができる。 According to the composite pipe of the present invention described above, a preliminary permeable layer can be formed by the vinyl chloride tape, and during the curing of the fiber reinforced resin, a part of the solvent permeates through the vinyl chloride tape and becomes chlorinated. It can prevent seepage into vinyl pipes. As a result, cracks will occur in the vinyl chloride tape portion, and surface deterioration of the vinyl chloride pipe can be prevented.
第１図は従来例を示す正面図、第２図は本考案
の一実施例を示す正面図である。
１０……塩化ビニール管、１１……塩化ビニー
ルテープ、１２……繊維強化樹脂層、１３……複
合管。
FIG. 1 is a front view showing a conventional example, and FIG. 2 is a front view showing an embodiment of the present invention. 10... Vinyl chloride pipe, 11... Vinyl chloride tape, 12... Fiber reinforced resin layer, 13... Composite pipe.
Claims (1)
を多層に巻装し、この塩化ビニールテープの外周
に繊維強化樹脂層を積層したことを特徴とする複
合管。 A composite pipe characterized in that a vinyl chloride tape is wrapped in multiple layers around the outer circumferential surface of a vinyl chloride pipe, and a fiber-reinforced resin layer is laminated around the outer circumference of the vinyl chloride tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12999682U JPS5934180U (en) | 1982-08-27 | 1982-08-27 | composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12999682U JPS5934180U (en) | 1982-08-27 | 1982-08-27 | composite pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5934180U JPS5934180U (en) | 1984-03-02 |
| JPS6136857Y2 true JPS6136857Y2 (en) | 1986-10-25 |
Family
ID=30294372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12999682U Granted JPS5934180U (en) | 1982-08-27 | 1982-08-27 | composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5934180U (en) |
-
1982
- 1982-08-27 JP JP12999682U patent/JPS5934180U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5934180U (en) | 1984-03-02 |
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