JPH085796Y2 - Conductive resin coated steel pipe - Google Patents
Conductive resin coated steel pipeInfo
- Publication number
- JPH085796Y2 JPH085796Y2 JP6497093U JP6497093U JPH085796Y2 JP H085796 Y2 JPH085796 Y2 JP H085796Y2 JP 6497093 U JP6497093 U JP 6497093U JP 6497093 U JP6497093 U JP 6497093U JP H085796 Y2 JPH085796 Y2 JP H085796Y2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- steel pipe
- coated steel
- conductive
- synthetic 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.)
- Expired - Lifetime
Links
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Laminated Bodies (AREA)
- Elimination Of Static Electricity (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、流動棚や駆動ローラコ
ンベヤ等の樹脂被覆鋼管構造体の一部を構成する導電性
樹脂被覆鋼管に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conductive resin-coated steel pipe forming a part of a resin-coated steel pipe structure such as a fluidized shelf or a driving roller conveyor.
【０００２】[0002]
【従来の技術】従来、この種の導電性樹脂被覆鋼管とし
ては、静電気の帯電を防止するため、薄肉鋼管（例え
ば、肉厚約０．７ｍｍのＳＰＣＣ−１）の表面全面に、
導電材料であるカーボンブラックを添加した導電性合成
樹脂を、約１ｍｍの厚さに接着被覆した直径２８〜３２
ｍｍのものが知られている。2. Description of the Related Art Conventionally, as a conductive resin-coated steel pipe of this kind, in order to prevent electrostatic charge, a thin steel pipe (for example, SPCC-1 having a wall thickness of about 0.7 mm) is provided on the entire surface.
A conductive synthetic resin containing carbon black, which is a conductive material, is adhered and coated to a thickness of about 1 mm to have a diameter of 28 to 32.
mm is known.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、従来の
導電性樹脂被覆鋼管では、カーボンブラックが高価であ
り、かつ黒色であるので、コスト高となり、かつ美観を
損なうと共に、導電性合成樹脂が耐衝撃性に劣るので、
被覆樹脂が損傷し易い不具合がある。そこで、本考案
は、コストの低減を図り、かつ美観を高め得ると共に、
被覆樹脂を丈夫とし得る導電性樹脂被覆鋼管の提供を目
的とする。However, in the conventional conductive resin-coated steel pipe, since carbon black is expensive and black, the cost is high and the aesthetic appearance is impaired, and the conductive synthetic resin is shock resistant. Because it is inferior in sex,
There is a problem that the coating resin is easily damaged. Therefore, the present invention can reduce the cost and enhance the aesthetic appearance,
An object of the present invention is to provide a conductive resin-coated steel pipe which can make the coating resin durable.
【０００４】[0004]
【課題を解決するための手段】前記課題を解決するた
め、本考案の導電性樹脂被覆鋼管は、樹脂被覆鋼管の被
覆樹脂の表面に、樹脂被覆鋼管の長手方向へ伸びる帯状
の導電性合成樹脂が一体形成されていることを特徴とす
る。前記帯状の導電性合成樹脂は、５〜１５ｍｍの幅で
あることが好ましい。又、前記帯状の導電性合成樹脂
は、被覆樹脂の厚さの約１／３〜３／４の厚さであるこ
とが好ましい。In order to solve the above-mentioned problems, the conductive resin-coated steel pipe of the present invention is a strip-shaped conductive synthetic resin extending in the longitudinal direction of the resin-coated steel pipe on the surface of the coating resin of the resin-coated steel pipe. Is integrally formed. The strip-shaped conductive synthetic resin preferably has a width of 5 to 15 mm. Further, it is preferable that the strip-shaped conductive synthetic resin has a thickness of about 1/3 to 3/4 of the thickness of the coating resin.
【０００５】[0005]
【作用】上記手段においては、静電気が帯状の導電性合
成樹脂を経てアース可能となる。帯状の導電性合成樹脂
の幅が、５ｍｍ未満であると通電不良を生じ易く、１５
ｍｍを超えると不経済となる共に、黒色が目立ち、美観
を損ね、かつその損傷を生じ易くなる。又、帯状の導電
性合成樹脂の厚さが、被覆樹脂の厚さ１／３未満である
と通電不良を生じ易く、３／４を超えると損傷を生じ易
くなる。一方、帯状の導電性合成樹脂は、被覆樹脂との
共押し出しで形成される。In the above means, static electricity can be grounded through the belt-shaped conductive synthetic resin. If the width of the strip-shaped conductive synthetic resin is less than 5 mm, a poor current flow is likely to occur.
If it exceeds mm, it is uneconomical, and the black color is conspicuous, and the appearance is impaired, and the damage is likely to occur. Further, if the thickness of the belt-shaped conductive synthetic resin is less than 1/3 of the thickness of the coating resin, defective conduction is likely to occur, and if it exceeds 3/4, damage is likely to occur. On the other hand, the strip-shaped conductive synthetic resin is formed by co-extrusion with the coating resin.
【０００６】[0006]
【実施例】以下、本考案の実施例について図面を参照し
て説明する。図１は本考案の導電性樹脂被覆鋼管の第１
実施例を示す斜視図である。この導電性樹脂被覆鋼管１
は、厚さ約０．７ｍｍの薄肉鋼管１ａの表面にＡＡＳ
（アクリロニトリル・アクリルラバー・スチレンコーポ
リマー）等の合成樹脂を約１ｍｍの厚さに接着被覆して
直径２８〜３２ｍｍの樹脂被覆鋼管とし、かつこの樹脂
被覆鋼管の被覆樹脂１ｂの表面に樹脂被覆鋼管の長手方
向へ伸びる帯状の導電性合成樹脂１ｃを一体形成して構
成されている。被覆樹脂１ｂは、美観を高めるため、グ
リーンやアイボリー等の有彩色とされている。一方、帯
状の導電性合成樹脂１ｃは、カーボンブラック等の導電
材料を添加したＡＢＳ（アクリロニトリル・ブタジエン
・スチレンコーポリマー）等の導電性合成樹脂からなる
幅１５ｍｍ、厚さ０．５ｍｍのもので、被覆樹脂１ｂと
の共押し出しで一体成形される。上記構成の導電性樹脂
被覆鋼管１においては、被覆樹脂１ｂあるいはこの導電
性樹脂被覆鋼管１と継ぎ合わされる他の部材に生じる静
電気が帯状の導電性合成樹脂１ｃを経てアース可能とな
る。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the first of the conductive resin coated steel pipes of the present invention.
It is a perspective view showing an example. This conductive resin coated steel pipe 1
Is AAS on the surface of the thin-walled steel pipe 1a having a thickness of about 0.7 mm.
A synthetic resin such as (acrylonitrile, acrylic rubber, styrene copolymer) is adhesively coated to a thickness of about 1 mm to form a resin-coated steel pipe having a diameter of 28 to 32 mm, and the surface of the resin coating 1b of the resin-coated steel pipe is a resin-coated steel pipe. The belt-shaped conductive synthetic resin 1c extending in the longitudinal direction is integrally formed. The coating resin 1b has a chromatic color such as green or ivory in order to enhance the appearance. On the other hand, the belt-shaped conductive synthetic resin 1c is made of a conductive synthetic resin such as ABS (acrylonitrile-butadiene-styrene copolymer) to which a conductive material such as carbon black is added, and has a width of 15 mm and a thickness of 0.5 mm. It is integrally molded by co-extrusion with the coating resin 1b. In the conductive resin-coated steel pipe 1 having the above-described configuration, static electricity generated in the coating resin 1b or another member joined to the conductive resin-coated steel pipe 1 can be grounded through the belt-shaped conductive synthetic resin 1c.
【０００７】図２は上記導電性樹脂被覆鋼管１を用いた
樹脂被覆鋼管構造体の一例であるプリント基板用流動棚
の斜視図である。図中２はラック枠で、前記導電性樹脂
被覆鋼管１を金属又は導電性合成樹脂からなる継手３
ａ，３ｂ，３ｃ，３ｄを介して台形状に継ぎ合わせ、か
つ下部にキャスター４を取り付けた１対の側枠５の前部
間及び後部間を、横桟となる複数の前記導電性樹脂被覆
鋼管１により金属又は導電性合成樹脂からなる継手６を
介して継ぎ合わせる共に、前部及び後部の横桟間は、縦
桟となる複数の前記導電性樹脂被覆鋼管１により金属又
は導電性合成樹脂からなる継手７ａ，７ｂを介して継ぎ
合わせて複数の取出口８を形成し、かつ各取出口８の両
側と対応する前後の横桟間に、プリント基板Ｐを重力送
り可能に載置する傾斜溝を多段に形成したガイドパネル
９を取り付けて構成されている。ラック枠２における各
取出口８の横桟には、点灯によりプリント基板Ｐの取り
出しを指示する指示ランプ１０が装着されていると共
に、各取出口８の縦桟には、プリント基板Ｐの取り出し
を検出する回帰反射形の光電センサーとミラー（共に図
示せず）が対峙して装着されており、これらの指示ラン
プ１０及び光電センサーは、プログラマブルコントロー
ラ等の制御装置とケーブル（共に図示せず）を介して接
続されている。そして、点灯データと異なるプリント基
板Ｐの取り出し際し、ブザー（図示せず）等による警報
を発する。又、ラック枠２における一方の側枠５の最下
部の導電性樹脂被覆鋼管１には、アース線１１を接続し
た断面Ω字状のアース端子１２が嵌着されている。FIG. 2 is a perspective view of a fluidized shelf for a printed circuit board, which is an example of a resin-coated steel pipe structure using the conductive resin-coated steel pipe 1. In the figure, 2 is a rack frame, and the conductive resin-coated steel pipe 1 is a joint 3 made of metal or conductive synthetic resin.
A plurality of conductive resin coatings that form a horizontal cross between the front portions and the rear portions of the pair of side frames 5 that are joined in a trapezoidal shape via a, 3b, 3c, and 3d and have casters 4 attached to their lower portions. The steel pipes 1 are spliced together via joints 6 made of metal or conductive synthetic resin, and between the front and rear horizontal bars, metal or conductive synthetic resin is formed by the plurality of conductive resin-coated steel pipes 1 serving as vertical bars. A plurality of joints 7a and 7b are joined together to form a plurality of outlets 8, and a slope for mounting the printed circuit board P between the front and rear cross rails corresponding to both sides of each outlet 8 so as to be gravity-feedable. A guide panel 9 having grooves formed in multiple stages is attached. An instruction lamp 10 for instructing to take out the printed circuit board P by lighting is attached to the horizontal rail of each take-out port 8 in the rack frame 2, and the printed circuit board P is taken out to the vertical rail of each take-out port 8. A retroreflective photoelectric sensor for detection and a mirror (both not shown) are mounted facing each other, and the indicator lamp 10 and the photoelectric sensor are connected to a control device such as a programmable controller and a cable (both not shown). Connected through. Then, when the printed circuit board P different from the lighting data is taken out, an alarm is issued by a buzzer (not shown) or the like. Further, a ground terminal 12 having an Ω-shaped cross section, to which a ground wire 11 is connected, is fitted to the conductive resin-coated steel pipe 1 at the bottom of one side frame 5 of the rack frame 2.
【０００８】上記構成のプリント基板用流動棚におい
て、プリント基板Ｐの摺動降下等によって発生した静電
気は、ラック枠２の導電性樹脂被覆鋼管１及び継手３
ａ，３ｂ，６，７ａ，７ｂを経てアース端子１２、アー
ス線１１を介してアースされ、プリント基板Ｐ等の静電
破壊を防止できる。なお、上記実施例においては、ガイ
ドパネル９を各取出口８の両側に取り付け、アース端子
１２にアース線１１を接続してアースしたが、これに限
定されるものではなく、ガイドパネル９を各取出口８の
上下と対応する前後の横桟間に取り付け、プリント基板
Ｐを立てて重力送り可能に載置するようにしてもよい。
又、アース端子１２及びアース線１１を取り付けること
なく、キャスター４を導電性合成樹脂からなるものとし
てキャスター４からアースするようにしてもよく、この
ようにすることにより、流動棚の移動に際し、至便であ
る。In the fluidized-bed shelf for a printed circuit board having the above-mentioned structure, static electricity generated by sliding down of the printed circuit board P or the like causes the conductive resin-coated steel pipe 1 and the joint 3 of the rack frame 2 to move.
It is grounded via a, 3b, 6, 7a, 7b and via a grounding terminal 12 and a grounding wire 11 to prevent electrostatic breakdown of the printed circuit board P and the like. In the above embodiment, the guide panels 9 are attached to both sides of each outlet 8, and the ground wire 11 is connected to the ground terminal 12 for grounding. However, the present invention is not limited to this, and the guide panels 9 may be connected to each other. Alternatively, the printed circuit board P may be mounted between the front and rear horizontal rails corresponding to the upper and lower sides of the take-out port 8 and placed so that the printed circuit board P can be vertically fed.
Further, the caster 4 may be grounded from the caster 4 by being made of a conductive synthetic resin without attaching the ground terminal 12 and the ground wire 11. By doing so, it is convenient when moving the fluidized shelves. Is.
【０００９】図３は本考案の導電性樹脂被覆鋼管の第２
実施例を示す斜視図である。この導電性樹脂被覆鋼管１
６は、厚さ約０．７ｍｍの薄肉鋼管１６ａの表面にＡＡ
Ｓ等の合成樹脂を約１ｍｍの厚さに接着被覆して直径２
８〜３２ｍｍの樹脂被覆鋼管とし、この樹脂被覆管の被
覆樹脂１ｂと一体に樹脂被覆鋼管の長手方向へ伸びる２
条の突条１６ｃを形成し、かつ突条１６ｃから約１／４
周離れた被覆樹脂１６ｂの表面に突条１６ｃと平行な帯
状の導電性合成樹脂１６ｄを一体形成して構成されてい
る。被覆樹脂１６ｂは、第１実施例のものと同様に、美
観を高めるため、グリーンやアイボリー等の有彩色とさ
れている。一方、帯状の導電性合成樹脂１６ｄは、カー
ボンブラック等の導電材料を添加したＡＢＳ等の導電性
合成樹脂からなる幅１５ｍｍ、厚さ０．５ｍｍのもので
被覆樹脂１６ｂ及び突条１６ｃとの共押し出しで一体成
形される。なお、突条１６ｃは、２条に限らず、１条で
あってもよい。上記構成の導電性樹脂被覆鋼管１６にお
いては、被覆樹脂１６ｂあるいはこの導電性樹脂被覆鋼
管１６と継ぎ合わされる他の部材に生じる静電気が帯状
の導電性合成樹脂１６ｄを経てアース可能となる。FIG. 3 shows the second embodiment of the conductive resin coated steel pipe of the present invention.
It is a perspective view showing an example. This conductive resin coated steel pipe 1
6 is AA on the surface of a thin steel pipe 16a with a thickness of about 0.7 mm.
A synthetic resin such as S is adhesively coated to a thickness of about 1 mm and has a diameter of 2
A resin-coated steel pipe having a diameter of 8 to 32 mm, and extending in the longitudinal direction of the resin-coated steel pipe together with the coating resin 1b of the resin-coated pipe 2
Forming the ridges 16c of the ridges and approx. 1/4 from the ridges 16c
A strip-shaped conductive synthetic resin 16d parallel to the ridge 16c is integrally formed on the surface of the coating resin 16b which is separated from the circumference. The coating resin 16b has a chromatic color such as green or ivory in order to enhance the appearance, as in the first embodiment. On the other hand, the belt-shaped conductive synthetic resin 16d is made of a conductive synthetic resin such as ABS to which a conductive material such as carbon black is added, and has a width of 15 mm and a thickness of 0.5 mm. It is integrally molded by extrusion. In addition, the protrusion 16c is not limited to two and may be one. In the conductive resin-coated steel pipe 16 having the above structure, static electricity generated in the coating resin 16b or another member joined to the conductive resin-coated steel pipe 16 can be grounded through the belt-shaped conductive synthetic resin 16d.
【００１０】図４，図５は上記導電性樹脂被覆鋼管１６
を一部に用いた樹脂被覆鋼管構造体の一例である駆動ロ
ーラコンベヤの要部の分解斜視図、断面図である。図中
１７はローラ枠で、前記導電性樹脂被覆鋼管１６と、厚
さ約０．７ｍｍの薄肉鋼管１８ａの表面にグリーンやア
イボリー等の有彩色をしているＡＡＳ等の合成樹脂を約
１ｍｍの厚さに接着被覆し、かつ被覆樹脂１８ｂと一体
に軸方向の１条の突状１８ｃを形成した直径２８〜３２
ｍｍ（突条を除く）の樹脂被覆鋼管１８とを、互いの突
条１６ｃ，１８ｃにより係合して平行なダブルパイプと
する共に、導電性合成樹脂１６ｄが内側となるように
し、ＡＡＳ等の合成樹脂あるいは金属からなる継手（図
示せず）を介して矩形状に継ぎ合わせて構成されてい
る。ローラ枠１７は、導電性樹脂被覆鋼管１６を上方と
してそのままあるいは脚枠（図示せず）に支持されて使
用されるものであり、その長手方向における両側の導電
性樹脂被覆鋼管１６には、カーボンブラック等の導電材
料を添加したＡＢＳ（アクリロニトリル・ブタジエン・
スチレンコーポリマー）とＰＣ（ポリカーボネート）と
のアロイとした導電性合成樹脂からなる多数対のローラ
支持部材１９が、相対向しかつローラ枠１７の長手方向
へ適宜に離隔して取り付けられている。各ローラ支持部
材１９は、導電性樹脂被覆鋼管１６に嵌合可能は断面Ｃ
字状の固定部２０ａ及びその外周面に一体形成された有
底袋状の係合受部２０ｂを有するベース部材２０と、ベ
ース部材２０の係合受部２０ｂに係脱可能な断面Ｌ字状
の係合部２１ａ及びその外側面に突設した軸部２１ｂを
有する支軸部材２１とから構成されており、軸部２１ｂ
がローラ枠１７の内側で水平となるようにしてベース部
材２０を介して導電性樹脂被覆鋼管１６に嵌合されかつ
接着されるものである。4 and 5 show the above-mentioned conductive resin-coated steel pipe 16
FIG. 3 is an exploded perspective view and a cross-sectional view of a main part of a drive roller conveyor that is an example of a resin-coated steel pipe structure in which a part is used. Reference numeral 17 in the drawing is a roller frame, which is made of synthetic resin such as AAS having a chromatic color such as green or ivory on the surface of the conductive resin coated steel pipe 16 and a thin steel pipe 18a having a thickness of about 0.7 mm. Diameters 28 to 32 that are adhesively coated to a thickness and are formed integrally with the coating resin 18b to form one axially protruding portion 18c.
The resin-coated steel pipe 18 of mm (excluding ridges) is engaged with the ridges 16c and 18c of each other to form a parallel double pipe, and the conductive synthetic resin 16d is placed inside, so that AAS It is formed by joining together in a rectangular shape through a joint (not shown) made of synthetic resin or metal. The roller frame 17 is used as it is with the conductive resin-coated steel pipe 16 as an upper side or supported by a leg frame (not shown), and the conductive resin-coated steel pipe 16 on both sides in the longitudinal direction is made of carbon. ABS (Acrylonitrile-Butadiene-
A large number of pairs of roller supporting members 19 made of a conductive synthetic resin, which is an alloy of styrene copolymer and PC (polycarbonate), are attached to face each other and are appropriately separated in the longitudinal direction of the roller frame 17. Each roller support member 19 has a cross-section C that can be fitted to the conductive resin-coated steel pipe 16.
A base member 20 having a letter-shaped fixed portion 20a and a bottomed bag-shaped engagement receiving portion 20b integrally formed on the outer peripheral surface thereof, and an L-shaped cross section that can be engaged with and disengaged from the engagement receiving portion 20b of the base member 20. And a supporting shaft member 21 having a shaft portion 21b protruding from the outer surface thereof.
Is fitted and adhered to the conductive resin-coated steel pipe 16 via the base member 20 so as to be horizontal inside the roller frame 17.
【００１１】前記各対向のローラ支持部材１９には、ロ
ーラコンベヤローラ２２が回転自在に支持されている。
ローラコンベヤローラ２２は、厚さ約０．７ｍｍの薄肉
鋼管２３ａの表面にカーボンブラック等の導電材料を添
加したＰＥ等の導電性合成樹脂を約１ｍｍの厚さの導電
性被覆樹脂２３ｂとして接着被覆した直径２８〜３２ｍ
ｍのローラ筒体２３と、その導電性被覆樹脂２３ｂと同
様の導電性合成樹脂からなり、ローラ筒体２３の端部に
溶着されたプーリ付きエンドキャップ２４及びエンドキ
ャップ（図示せず）とから構成されており、各エンドキ
ャップ２４に設けた有底の軸孔２４ａを介して対をなす
ローラ支持部材１９の軸部２１ｂ，２１ｂに回転自在に
支承されているものである。そして、ローラ枠１７の導
電性樹脂被覆鋼管１６には、アース線２５を接続した断
面Ω字状のアース端子２６が嵌着されている。A roller conveyor roller 22 is rotatably supported by the roller supporting members 19 facing each other.
The roller conveyor roller 22 is made of an electrically conductive synthetic resin such as PE having an electrically conductive material such as carbon black added to the surface of a thin steel pipe 23a having a thickness of about 0.7 mm as an electrically conductive coating resin 23b having a thickness of about 1 mm. 28-32m diameter
m roller cylinder 23, and an end cap 24 with a pulley and an end cap (not shown) made of a conductive synthetic resin similar to the conductive coating resin 23b and welded to the end of the roller cylinder 23. Each of the end caps 24 is rotatably supported by the shaft portions 21b, 21b of the pair of roller supporting members 19 via the bottomed shaft holes 24a. A ground terminal 26 having an Ω-shaped cross section connected to the ground wire 25 is fitted to the conductive resin-coated steel pipe 16 of the roller frame 17.
【００１２】上記構成の駆動ローラコンベヤは、プーリ
付きエンドキャップ２４の一方のベルト溝２４ｂと、適
宜の回転駆動装置によって駆動されるスプライン軸の駆
動プーリとに巻回した丸又はＶベルト（いずれも図示せ
ず）によって伝動され、かつ他方のベルト溝２４ｂと隣
接するローラコンベヤローラ２２のプーリ付きエンドキ
ャップのベルト溝とに巻回した丸又はＶベルト（図示せ
ず）によって隣接するローラコンベヤローラが回転され
るものであり、その運転に伴ってローラコンベヤローラ
２２に発生した静電気は、ローラ支持部材１９及びロー
ラ枠１７の導電性樹脂被覆鋼管１６の帯状の導電性合成
樹脂１６ｄを経てアース端子２６、アース線２５を介し
てアースされ、作業者に対して電撃を生じたり、静電気
に弱い被搬送物に故障が生じたりすることはない。The drive roller conveyor having the above-mentioned structure has a round or V-belt wound around one of the belt grooves 24b of the end cap 24 with a pulley and a drive pulley of a spline shaft driven by an appropriate rotary drive device (both of which are provided). An adjacent roller conveyor roller by a round or V-belt (not shown) that is transmitted by the belt groove 24b of the roller conveyor roller 22 adjacent to the other belt groove 24b and wound on the belt groove of the end cap with pulley of the roller conveyor roller 22 adjacent to the other roller conveyor roller. The static electricity generated in the roller conveyor roller 22 due to the operation thereof is passed through the belt-shaped conductive synthetic resin 16d of the conductive resin-coated steel pipe 16 of the roller support member 19 and the roller frame 17 and the ground terminal 26. , Is grounded via the grounding wire 25, which may cause an electric shock to the worker or a transferred object that is vulnerable to static electricity. There is no possibility that or cause disabilities.
【００１３】ここで、上記駆動ローラコンベヤと従来の
樹脂被覆のローラ筒体を有する駆動ローラコンベヤの静
電位について、日、時を変え、デジタル静電位測定器
（春日電器（株）製 ＫＳＤ−０１０２）を用いて測定
（ローラ枠から１００ｍｍ間隔の位置）したところ表１
に示すようになった。Here, the electrostatic potentials of the drive roller conveyor and the drive roller conveyor having a conventional resin-coated roller cylinder are changed from day to time by a digital electrostatic potential measuring device (KSD-0102 manufactured by Kasuga Denki Co., Ltd.). ) Was used for measurement (at a position 100 mm apart from the roller frame).
It came to be shown in.
【００１４】[0014]
【表１】 [Table 1]
【００１５】したがって、上記実施例の駆動ローラコン
ベヤでは、従来のそれに比して極めて導電性が良好で、
静電位を低くし得ることがわかる。Therefore, in the drive roller conveyor of the above embodiment, the conductivity is extremely good as compared with the conventional one,
It is understood that the electrostatic potential can be lowered.
【００１６】なお、上記実施例においては、ローラ枠１
７として、突条１６ｃ，１８ｃによって平行に設けた導
電性樹脂被覆鋼管１６と樹脂被覆鋼管１８とからなるダ
ブルパイプを用いる場合について述べたが、これに限定
されるものではなく、図３に示すような導電性樹脂被覆
鋼管１６のみのシングルパイプでローラ枠を構成しても
よく、又は図１に示すような突条を有しない導電性樹脂
被覆鋼管と樹脂被覆鋼管とを継手により平行に連結した
ダブルパイプでローラ枠を構成するようにしてもよい。
又、導電性樹脂被覆鋼管１６は、ローラ枠１７の全周に
設ける場合に限らず、ローラ支持部材１９が取り付けら
れる少なくとも一側にのみ設けるようにしてもよい。In the above embodiment, the roller frame 1
The case where a double pipe composed of the conductive resin-coated steel pipe 16 and the resin-coated steel pipe 18 provided in parallel by the ridges 16c and 18c is used as 7, but is not limited to this and is shown in FIG. The roller frame may be formed of a single pipe having only the conductive resin-coated steel pipe 16 as described above, or the conductive resin-coated steel pipe and the resin-coated steel pipe having no ridge as shown in FIG. 1 are connected in parallel by a joint. The roller frame may be configured with the double pipe described above.
Further, the conductive resin-coated steel pipe 16 is not limited to being provided on the entire circumference of the roller frame 17, but may be provided only on at least one side to which the roller supporting member 19 is attached.
【００１７】[0017]
【発明の効果】以上説明したように、本考案の導電性樹
脂被覆鋼管によれば、静電気が帯状の導電性合成樹脂を
経てアース可能となるので、被覆樹脂の全てを導電性合
成樹脂とする必要がなくなり、コストの低減を図ること
ができ、かつ被覆樹脂をグリーンやアイボリー等の有彩
色とすることによって美観を高めることができると共
に、被覆樹脂を丈夫なものとすることができる。As described above, according to the conductive resin-coated steel pipe of the present invention, since static electricity can be grounded through the belt-shaped conductive synthetic resin, all of the coating resin is made of the conductive synthetic resin. It is not necessary, the cost can be reduced, and the aesthetic appearance can be enhanced by making the coating resin chromatic such as green or ivory, and the coating resin can be made durable.
【図１】本考案の導電性樹脂被覆鋼管の第１実施例を示
す斜視図である。FIG. 1 is a perspective view showing a first embodiment of a conductive resin-coated steel pipe of the present invention.
【図２】図１の導電性樹脂被覆鋼管を用いた樹脂被覆鋼
管構造体であるプリント基板用流動棚の斜視図である。FIG. 2 is a perspective view of a fluidized shelf for a printed circuit board, which is a resin-coated steel pipe structure using the conductive resin-coated steel pipe of FIG.
【図３】本考案の導電性樹脂被覆鋼管の第２実施例を示
す斜視図である。FIG. 3 is a perspective view showing a second embodiment of the conductive resin-coated steel pipe of the present invention.
【図４】図３の導電性樹脂被覆鋼管を用いた樹脂被覆鋼
管構造体である駆動ローラコンベヤの要部の分解斜視図
である。FIG. 4 is an exploded perspective view of a main part of a drive roller conveyor, which is a resin-coated steel pipe structure using the conductive resin-coated steel pipe of FIG.
【図５】図４の駆動ローラコンベヤの要部の断面図であ
る。5 is a sectional view of a main part of the drive roller conveyor of FIG.
１ 導電性樹脂被覆鋼管 １ｂ 被覆樹脂 １ｃ 導電性合成樹脂 １６ 導電性樹脂被覆鋼管 １６ｂ 被覆樹脂 １６ｄ 導電性合成樹脂 1 Conductive Resin Coated Steel Pipe 1b Coated Resin 1c Conductive Synthetic Resin 16 Conductive Resin Coated Steel Pipe 16b Coated Resin 16d Conductive Synthetic Resin
Claims (3)
被覆鋼管の長手方向へ伸びる帯状の導電性合成樹脂が一
体形成されていることを特徴とする導電性樹脂被覆鋼
管。1. A conductive resin-coated steel pipe, wherein a band-shaped conductive synthetic resin extending in the longitudinal direction of the resin-coated steel pipe is integrally formed on the surface of the resin coated steel pipe.
ｍｍの幅であることを特徴とする請求項１記載の導電性
樹脂被覆鋼管。2. The belt-shaped conductive synthetic resin is 5 to 15
The conductive resin-coated steel pipe according to claim 1, having a width of mm.
脂の厚さの１／３〜３／４の厚さであることを特徴とす
る請求項１又は２記載の導電性樹脂被覆鋼管。3. The conductive resin-coated steel pipe according to claim 1, wherein the strip-shaped conductive synthetic resin pipe has a thickness of 1/3 to 3/4 of the thickness of the coating resin. .
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6497093U JPH085796Y2 (en) | 1993-11-10 | 1993-11-10 | Conductive resin coated steel pipe |
| GB9414944A GB2291688B (en) | 1993-11-10 | 1994-07-25 | Sheathed pipe with conductive plastic resin |
| CA002128943A CA2128943C (en) | 1993-11-10 | 1994-07-27 | Sheathed steel pipe with conductive plastic resin |
| FR9413218A FR2712369A1 (en) | 1993-11-10 | 1994-11-04 | Steel tube coated with a conductive plastic resin sheath, and frame made with this type of tube |
| DE9417830U DE9417830U1 (en) | 1993-11-10 | 1994-11-07 | Tubular component |
| NL9401847A NL9401847A (en) | 1993-11-10 | 1994-11-07 | Steel pipe covered with conductive plastic resin. |
| ES9402311A ES2119605B1 (en) | 1993-11-10 | 1994-11-10 | STEEL TUBE LINED WITH CONDUCTIVE PLASTIC RESIN AND THE RESULTING TUBE FRAME. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6497093U JPH085796Y2 (en) | 1993-11-10 | 1993-11-10 | Conductive resin coated steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0728633U JPH0728633U (en) | 1995-05-30 |
| JPH085796Y2 true JPH085796Y2 (en) | 1996-02-21 |
Family
ID=13273421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6497093U Expired - Lifetime JPH085796Y2 (en) | 1993-11-10 | 1993-11-10 | Conductive resin coated steel pipe |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH085796Y2 (en) |
| ES (1) | ES2119605B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3627050B2 (en) | 2001-03-22 | 2005-03-09 | 矢崎化工株式会社 | Conductive resin-coated steel pipe and extrusion method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES204120Y (en) * | 1974-06-22 | 1976-11-01 | Fradera Pellicer | COMPLEX TUBE. |
| GB1563264A (en) * | 1975-11-21 | 1980-03-26 | Wavin Bv | Pipes |
| US4730234A (en) * | 1986-05-29 | 1988-03-08 | Monico Jr Michael A | Pipe assembly module with internal electrical circuitry |
| JPH0369887A (en) * | 1989-08-07 | 1991-03-26 | Usui Internatl Ind Co Ltd | Resin-made composite tube |
-
1993
- 1993-11-10 JP JP6497093U patent/JPH085796Y2/en not_active Expired - Lifetime
-
1994
- 1994-11-10 ES ES9402311A patent/ES2119605B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0728633U (en) | 1995-05-30 |
| ES2119605B1 (en) | 1999-04-01 |
| ES2119605A1 (en) | 1998-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |