JPH05254659A - Bent pipe - Google Patents
Bent pipeInfo
- Publication number
- JPH05254659A JPH05254659A JP4057998A JP5799892A JPH05254659A JP H05254659 A JPH05254659 A JP H05254659A JP 4057998 A JP4057998 A JP 4057998A JP 5799892 A JP5799892 A JP 5799892A JP H05254659 A JPH05254659 A JP H05254659A
- Authority
- JP
- Japan
- Prior art keywords
- peripheral surface
- bend
- cylindrical part
- inner peripheral
- tubular portion
- 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
- 230000002093 peripheral effect Effects 0.000 claims abstract description 33
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000032258 transport Effects 0.000 description 14
- 239000012530 fluid Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005524 ceramic coating Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高温の粉流体を例えば
空気を媒体として輸送する金属製の輸送管のベンド部に
内装するベンド管に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bend pipe in which a high temperature powder fluid is transported in a bend portion of a metal transport pipe for transporting air as a medium.
【０００２】[0002]
【従来の技術】一般に粉流体を輸送する金属製の輸送管
における摩耗の特に激しいベンド部には、該ベンド部の
形状を工夫して、セルフライニング機能を持たせたもの
があるが、以上の金属製輸送管にあっては、耐熱性に乏
しく、高温の粉流体の輸送には適さない。2. Description of the Related Art Generally, there is a bend portion of a metal transport pipe for transporting a powder fluid, which is particularly worn out, by devising the shape of the bend portion to have a cell flying function. Metal transport pipes have poor heat resistance and are not suitable for transporting high-temperature powder fluids.
【０００３】そこで従来では、高温の粉流体の輸送が行
えるように、輸送管における前記ベンド部に、耐熱性及
び耐摩耗性に優れた例えばセラミック製の複数の筒体を
連続状に配列して構成するベンド管を内装するようにし
ている。Therefore, conventionally, a plurality of cylindrical bodies made of, for example, ceramics having excellent heat resistance and abrasion resistance are continuously arranged in the bend portion of the transportation pipe so that the high temperature powder fluid can be transported. The bend pipes that compose it are designed to be installed inside.
【０００４】即ち例えば特開平２−２１０９７号公報に
示されているように、前記各筒体の両端面を、所定の角
度を持たせて切断して、該両端面を傾斜面とし、該傾斜
面を介して複数の筒体を突き合わせることで、前記ベン
ド管が前記輸送管のベンド部内に沿う円弧状と成るよう
にしている。That is, as disclosed in, for example, Japanese Unexamined Patent Publication No. 21097/1990, both end faces of each of the cylinders are cut at a predetermined angle so that both end faces are inclined faces, and the inclined faces are inclined. By abutting a plurality of cylinders via the surfaces, the bend pipe is formed into an arc shape along the inside of the bend portion of the transport pipe.
【０００５】[0005]
【発明が解決しようとする課題】ところが以上の構造の
ものでは、前記傾斜面の傾斜角度により、前記ベンド管
の曲率半径が決まるため、汎用性がなく、該ベンド管を
内装する外管のベンド部の曲率半径が異なると、該ベン
ド部に内装することが出来ない。However, in the structure described above, since the radius of curvature of the bend pipe is determined by the inclination angle of the inclined surface, it is not versatile, and the bend of the outer pipe containing the bend pipe is not provided. If the radii of curvature of the portions are different, the bend portion cannot be installed.
【０００６】従って以上の構造のものでは、曲率半径の
異なるベンド部を有する輸送管ごとに、前記ベンド管を
用意する必要があり、それだけ製造コストが高くなる
し、在庫管理も繁雑となる。Therefore, in the structure described above, it is necessary to prepare the bend pipe for each transportation pipe having bend portions having different radii of curvature, which increases the manufacturing cost and complicates inventory management.
【０００７】また前記筒体に一定の傾斜角度を持たせた
傾斜面を形成するためには、通常の切断器具では正確な
角度が得られず、特別の設備が必要であり、製造コスト
がそれだけ高くなる。Further, in order to form an inclined surface having a certain inclination angle on the cylindrical body, an accurate angle cannot be obtained by a normal cutting instrument, special equipment is required, and the manufacturing cost is that much. Get higher
【０００８】本発明は以上の実情に鑑みて開発したもの
であって、目的とするところは、簡単な構成で複数の筒
体を湾曲状に配列することが出来、しかもその曲率半径
を任意変更可能なベンド管を提供するにある。The present invention was developed in view of the above circumstances, and it is an object of the present invention to allow a plurality of cylindrical bodies to be arranged in a curved shape with a simple structure and to change the radius of curvature arbitrarily. It is possible to provide bend pipes.
【０００９】[0009]
【課題を解決するための手段】しかして本発明は、耐熱
性及び耐摩耗性に優れた複数の筒体３を長さ方向に連続
して配列して、円弧状のベンド部２０を備えた輸送管２
における前記ベンド部２０に内装するベンド管であっ
て、前記筒体３の一端開口部に、該開口部の外周面を径
方向内方に環状に切欠いた第１接続筒部４を設け、また
前記筒体３の他端開口部に、該開口部の内周面を径方向
外方に環状に切欠いた第２接続筒部５を設けると共に、
前記第１接続筒部４の外径を前記第２接続筒部５の内径
よりも小径として、隣接する一方の筒体３の第１接続筒
部４を他方の筒体３の第２接続筒部５に挿嵌可能で、且
つ前記第１接続筒部４の外周面と前記第２接続筒部５の
内周面との間に、湾曲状に配設する前記複数の筒体の曲
率を調整可能とする調整隙間Ｓを設けていることを特徴
とするものである。According to the present invention, however, a plurality of cylindrical bodies 3 having excellent heat resistance and wear resistance are arranged continuously in the longitudinal direction, and an arc-shaped bend portion 20 is provided. Transport pipe 2
In the bend part 20, the first connecting cylinder part 4 is provided at the one end opening part of the cylinder body 3, the outer peripheral surface of the opening part is annularly cut inward in the radial direction, and At the other end opening portion of the tubular body 3, a second connecting tubular portion 5 is provided, in which an inner peripheral surface of the opening portion is annularly cut outward in the radial direction, and
The outer diameter of the first connecting tubular portion 4 is smaller than the inner diameter of the second connecting tubular portion 5, and the first connecting tubular portion 4 of one adjacent tubular body 3 is connected to the second connecting barrel of the other tubular body 3. The plurality of cylindrical bodies which can be fitted into the portion 5 and which are arranged in a curved shape between the outer peripheral surface of the first connecting cylindrical portion 4 and the inner peripheral surface of the second connecting cylindrical portion 5 have It is characterized in that an adjustment gap S that allows adjustment is provided.
【００１０】前記筒体３はセラミック材料から形成して
もよいし、あるいは該筒体３を例えば金属材料から形成
して、その内周面にセラミック被膜をコーティングして
もよい。The cylindrical body 3 may be formed of a ceramic material, or the cylindrical body 3 may be formed of, for example, a metal material and its inner peripheral surface is coated with a ceramic coating.
【００１１】[0011]
【作用】本発明によれば、前記第１接続筒部４の外径を
前記第２接続筒部５の内径よりも小径として、隣接する
一方の筒体３の第１接続筒部４を他方の筒体３の第２接
続筒部５に挿嵌可能で、且つ前記第１接続筒部４の外周
面と前記第２接続筒部５の内周面との間に、湾曲状に配
設する前記複数の筒体の曲率を調整可能とする調整隙間
Ｓを設けていることから、複数の筒体３を前記第１接続
筒部４と第２接続筒部５を介して接続して形成するベン
ド管の曲率半径を、前記調整隙間Ｓを介して適宜調整変
更することが出来、従って曲率半径の異なるベンド部を
有する輸送管に対しても適応することが可能となる。According to the present invention, the outer diameter of the first connecting tubular portion 4 is smaller than the inner diameter of the second connecting tubular portion 5, and the first connecting tubular portion 4 of one adjacent tubular body 3 is connected to the other. It is insertable into the second connection tubular portion 5 of the tubular body 3 and is arranged in a curved shape between the outer peripheral surface of the first connection tubular portion 4 and the inner peripheral surface of the second connection tubular portion 5. Since the adjustment gap S that allows the curvatures of the plurality of cylinders to be adjusted is provided, the plurality of cylinders 3 are formed by connecting the first connection cylinder 4 and the second connection cylinder 5 to each other. The radius of curvature of the bend pipe to be adjusted can be appropriately adjusted and changed through the adjustment gap S, and therefore, it can be applied to a transport pipe having bend portions having different radii of curvature.
【００１２】[0012]
【実施例】図において符合１で示すベンド管は、高温の
粉流体を空気を媒体として輸送する金属製の輸送管２の
ベンド部２０内に組込むものであって、該ベンド管１
は、耐熱性及び耐摩耗性に優れた材料であるセラミック
製の複数の筒体３を長さ方向に連続して配列して構成さ
れている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A bend pipe indicated by reference numeral 1 in the drawing is incorporated in a bend portion 20 of a metal transport pipe 2 which transports a high temperature powder fluid using air as a medium.
Is constituted by arranging a plurality of cylindrical bodies 3 made of ceramic, which are materials having excellent heat resistance and wear resistance, continuously in the length direction.
【００１３】しかして図に示す実施例では、ＪＩＳ規格
６５Ａ、スケジュール８０、半径１２００ミリ、４５度
のベンド管１の製造例を示す。In the embodiment shown in the figure, however, an example of manufacturing the bend pipe 1 of JIS standard 65A, schedule 80, radius 1200 mm, 45 degrees is shown.
【００１４】図に示すベンド管１は、直円筒状とした外
径Ｔが６４４ミリで肉厚Ｕが１０ミリの筒体３を１５個
を長さ方向に配列して構成するようにしたもので、これ
ら各筒体３は、アルミナを主成分としたセラミック材料
により押し出し成形若しくは鋳込み成形などの公知の手
段により形成している。The bend pipe 1 shown in the figure is constructed by arranging 15 cylinders 3 in the shape of a right cylinder having an outer diameter T of 644 mm and a wall thickness U of 10 mm in the longitudinal direction. Then, each of these cylindrical bodies 3 is formed by a known means such as extrusion molding or cast molding using a ceramic material containing alumina as a main component.
【００１５】尚、前記ベンド管１の耐摩耗性をより高め
たい場合には、前記各筒体３を、例えばジルコニアを主
成分としたセラミック材料から形成するのが好ましい。When it is desired to further improve the wear resistance of the bend pipe 1, it is preferable that each of the cylinders 3 is made of, for example, a ceramic material containing zirconia as a main component.
【００１６】しかして本発明は、かかる各筒体３の長さ
方向一端開口部に、該開口部の外周面を径方向内方に環
状に切欠いた第１接続筒部４を設け、また前記筒体３の
長さ方向他端開口部に、該開口部の内周面を径方向外方
に環状に切欠いた第２接続筒部５を設けると共に、前記
第１接続筒部４の外径Ｘ１を前記第２接続筒部５の内径
Ｘ２よりも小径として、隣接する一方の筒体３の第１接
続筒部４を他方の筒体３の第２接続筒部５に挿嵌可能
で、且つ前記第１接続筒部４の外周面と前記第２接続筒
部５の内周面との間に、湾曲状に配設する前記複数の筒
体３の曲率を調整可能とする調整隙間Ｓを設けたのであ
る。According to the present invention, however, a first connecting cylinder portion 4 is provided at the one end opening in the lengthwise direction of each of the cylindrical bodies 3 and the outer peripheral surface of the opening portion is annularly cut inward in the radial direction. At the other end opening in the lengthwise direction of the tubular body 3, a second connecting tubular portion 5 is provided, which is formed by annularly notching the inner peripheral surface of the opening radially outward, and the outer diameter of the first connecting tubular portion 4 is provided. By setting X1 to be smaller than the inner diameter X2 of the second connecting cylinder portion 5, the first connecting cylinder portion 4 of the adjacent one cylinder body 3 can be inserted into the second connecting cylinder portion 5 of the other cylinder body 3, Further, between the outer peripheral surface of the first connecting tubular portion 4 and the inner peripheral surface of the second connecting tubular portion 5, an adjustment gap S that allows adjustment of the curvature of the plurality of tubular bodies 3 arranged in a curved shape. Is provided.
【００１７】即ち図に示す実施例では、旋盤などの切削
工具により、前記各筒体３の両端部を環状に切削するの
であって、具体的には、前記第１接続筒部４の外周面の
切削深さＷ１を５ミリとし、また軸方向長さＺ１を８ミ
リとする一方、前記第２接続筒部５の内周面の切削深さ
Ｗ２を６ミリとし、また軸方向長さＺ２を８ミリとし
て、隣接する一方の筒体３の第１接続筒部４を他方の筒
体３の第２接続筒部５に挿嵌可能とすると共に、前記第
１接続筒部４の前記第２接続筒部５への挿嵌に伴い、前
記第１接続筒部４の外周面と前記第２接続筒部５の内周
面との間に、１ミリの調整隙間Ｓが開くようにしてい
る。That is, in the embodiment shown in the drawings, both ends of each of the cylinders 3 are circularly cut by a cutting tool such as a lathe. Specifically, specifically, the outer peripheral surface of the first connecting cylinder 4 is cut. The cutting depth W1 is 5 mm and the axial length Z1 is 8 mm, while the cutting depth W2 of the inner peripheral surface of the second connecting tubular portion 5 is 6 mm and the axial length Z2. Is set to 8 mm, the first connecting cylinder portion 4 of one adjacent cylinder body 3 can be inserted into the second connecting cylinder portion 5 of the other cylinder body 3, and the first connecting cylinder portion 4 is With the insertion into the second connection tubular portion 5, an adjustment gap S of 1 mm is opened between the outer peripheral surface of the first connection tubular portion 4 and the inner peripheral surface of the second connection tubular portion 5. There is.
【００１８】以上の構成から成る１５個の筒体３は、図
３に概略的に示すように、隣接する一方の筒体３の第１
接続筒部４を他方の筒体３の第２接続筒部５に接着剤６
を介して挿嵌すると共に、一方の筒体３を他方の筒体３
に対して３度屈曲させ、合計１５個の筒体３を接続する
ことで、半径１２００ミリとした４５度のベンド管１が
完成するのである。As shown in FIG. 3, the fifteen cylinders 3 having the above-described structure are the first cylinders of the adjacent cylinders 3.
The connecting tube portion 4 is attached to the second connecting tube portion 5 of the other tubular body 3 with an adhesive 6
And the one tubular body 3 and the other tubular body 3
By bending it 3 times and connecting a total of 15 cylindrical bodies 3, a bend tube 1 of 45 degrees with a radius of 1200 mm is completed.
【００１９】そしてこのベンド管１を、図１に概略的に
示すように、前記輸送管２の一端開口からベンド部２０
内に挿入して、該ベンド管１の外周面と前記輸送管２の
内周面との間にモルタル等の充填材７を充填すること
で、前記ベンド管１を前記輸送管２のベンド部２０内に
挿嵌固着するのである。Then, as shown schematically in FIG. 1, the bend pipe 1 has a bend portion 20 extending from one end opening of the transport pipe 2.
By inserting the bend pipe 1 into the bend pipe 1 of the transport pipe 2 by filling a filling material 7 such as mortar between the outer peripheral surface of the bend pipe 1 and the inner peripheral surface of the transport pipe 2. It is inserted and fixed in 20.
【００２０】尚、前記輸送管２内に組込んだ前記ベンド
管１の長さ方向両端部には、接続用フランジ（図示せ
ず）を溶接または接着剤により固着するのが好ましい。It should be noted that connecting flanges (not shown) are preferably fixed to both ends in the length direction of the bend pipe 1 assembled in the transport pipe 2 by welding or an adhesive.
【００２１】また前記接着剤６としては、例えば耐熱性
に優れた２液性エポシキ系樹脂製などの接着剤を用いる
のが好ましい。As the adhesive 6, it is preferable to use an adhesive made of, for example, a two-liquid epoxy resin having excellent heat resistance.
【００２２】また実施例では、前記充填材７として、セ
メント８部・珪砂８部・水２．８部・減水剤を混合した
モルタルを使用しているが、前記充填材７として、前記
モルタルの他、耐熱性に優れたものを使用してもよい。In the embodiment, a mortar containing 8 parts of cement, 8 parts of silica sand, 2.8 parts of water, and a water reducing agent is used as the filler 7. Alternatively, a material having excellent heat resistance may be used.
【００２３】斯くして前記筒体３から成る前記ベンド管
１にあっては、前記各筒体３の接続時の屈曲角度を０度
から１１．６度まで変化させることが出来るので、前記
ベンド管１の半径を３３０ミリまで変化させることが可
能となる。Thus, in the bend pipe 1 formed of the cylindrical body 3, since the bending angle when connecting the respective cylindrical bodies 3 can be changed from 0 degree to 11.6 degrees, the bend tube It is possible to change the radius of the tube 1 up to 330 mm.
【００２４】ところで以上のベンド管１を組込んだ輸送
管２を使用する場合には、図１に示すように、前記第１
接続部４が前記第２接続部５に対して粉流体の流れの上
流側に位置させるのが好ましく、斯くすることで接続部
４・５の摩耗を抑制することが出来る。By the way, when the transportation pipe 2 incorporating the above bend pipe 1 is used, as shown in FIG.
It is preferable that the connecting portion 4 is located upstream of the flow of the powder fluid with respect to the second connecting portion 5, so that wear of the connecting portions 4 and 5 can be suppressed.
【００２５】また前記第１接続筒部４の外周面の切削深
さＷ１を前記第２接続筒部５の内周面の切削深さＷ２よ
りも大きく（Ｗ１＞Ｗ２）するのが好ましく、斯くする
ことで、前記第１接続部４と第２接続部５との接続部に
おいて、粉流体の輸送時に生じる乱流による耐摩耗性が
向上する。Further, it is preferable that the cutting depth W1 of the outer peripheral surface of the first connecting cylinder portion 4 is made larger than the cutting depth W2 of the inner peripheral surface of the second connecting cylinder portion 5 (W1> W2). By doing so, the wear resistance due to the turbulent flow generated when the powder fluid is transported is improved in the connection portion between the first connection portion 4 and the second connection portion 5.
【００２６】以上の実施例では、前記筒体３をセラミッ
ク材料が形成したが、該筒体３を金属管から形成し、そ
の内周面にセラミック被膜をコーティングしてもよい。In the above-mentioned embodiments, the cylindrical body 3 is made of a ceramic material, but the cylindrical body 3 may be made of a metal tube and the inner peripheral surface thereof may be coated with a ceramic coating.
【００２７】[0027]
【考案の効果】以上のごとく本考案は、ベンド管を構成
する筒体３の一端開口部に、該開口部の外周面を径方向
内方に環状に切欠いた第１接続筒部４を設け、また前記
筒体３の他端開口部に、該開口部の内周面を径方向外方
に環状に切欠いた第２接続筒部５を設けると共に、前記
第１接続筒部４の外径を前記第２接続筒部５の内径より
も小径として、隣接する一方の筒体３の第１接続筒部４
を他方の筒体３の第２接続筒部５に挿嵌可能で、且つ前
記第１接続筒部４の外周面と前記第２接続筒部５の内周
面との間に、湾曲状に配設する前記複数の筒体の曲率を
調整可能とする調整隙間Ｓを設けたことにより、複数の
筒体３を前記第１接続筒部４と第２接続筒部５を介して
接続して形成するベンド管の曲率半径を、前記調整隙間
Ｓを介して適宜調整変更することが出来、従って曲率半
径の異なるベンド部を有する輸送管に対しても適応する
ことが可能となり、それだけ汎用性に優れ、製造コスト
も安価となる。As described above, according to the present invention, the first connecting cylinder portion 4 is provided at the one end opening portion of the cylindrical body 3 forming the bend pipe, the outer peripheral surface of the opening portion being notched radially inward in an annular shape. Further, at the other end opening portion of the tubular body 3, a second connecting tubular portion 5 is provided which is formed by notching the inner peripheral surface of the opening portion radially outward, and the outer diameter of the first connecting tubular portion 4 is provided. Is smaller than the inner diameter of the second connecting tubular portion 5, and the first connecting tubular portion 4 of one adjacent tubular body 3 is
Can be inserted into the second connection tubular portion 5 of the other tubular body 3, and is curved between the outer peripheral surface of the first connection tubular portion 4 and the inner peripheral surface of the second connection tubular portion 5. By providing the adjustment gap S that allows the curvatures of the plurality of cylinders to be arranged to be adjusted, the plurality of cylinders 3 can be connected via the first connecting cylinder 4 and the second connecting cylinder 5. The radius of curvature of the bend pipe to be formed can be appropriately adjusted and changed through the adjustment gap S, and therefore, it can be applied to a transport pipe having bend portions having different radii of curvature, and thus the versatility can be improved. It is excellent and the manufacturing cost is low.
【図１】本考案にかかるベンド管を輸送管のベンド部に
内装した状態を示す要部の断面図。FIG. 1 is a sectional view of an essential part showing a state in which a bend pipe according to the present invention is installed in a bend portion of a transportation pipe.
【図２】本考案にかかるベンド管を構成する筒体の拡大
断面図。FIG. 2 is an enlarged cross-sectional view of a cylindrical body that constitutes the bend pipe according to the present invention.
【図３】筒体を接続して形成した本考案にかかるベンド
管の一部を省略して示す概略説明図。FIG. 3 is a schematic explanatory view showing a bend tube according to the present invention, which is formed by connecting cylinders, with a part thereof omitted.
２ 輸送管 ２０ ベンド部 ３ 筒体 ４ 第１接続筒部 ５ 第２接続筒部 Ｓ 調整隙間 2 Transport pipe 20 Bend part 3 Cylindrical body 4 First connection cylinder part 5 Second connection cylinder part S Adjustment gap
Claims (3)
３を長さ方向に連続して配列して、円弧状のベンド部２
０を備えた輸送管２における前記ベンド部２０に内装す
るベンド管であって、前記筒体３の一端開口部に、該開
口部の外周面を径方向内方に環状に切欠いた第１接続筒
部４を設け、また前記筒体３の他端開口部に、該開口部
の内周面を径方向外方に環状に切欠いた第２接続筒部５
を設けると共に、前記第１接続筒部４の外径を前記第２
接続筒部５の内径よりも小径として、隣接する一方の筒
体３の第１接続筒部４を他方の筒体３の第２接続筒部５
に挿嵌可能で、且つ前記第１接続筒部４の外周面と前記
第２接続筒部５の内周面との間に、湾曲状に配設する前
記複数の筒体の曲率を調整可能とする調整隙間Ｓを設け
ていることを特徴とするベンド管。1. A circular arc-shaped bend part (2) in which a plurality of cylinders (3) having excellent heat resistance and wear resistance are arranged continuously in the length direction.
A bend pipe to be installed in the bend portion 20 of the transport pipe 2 including 0, the first connection being formed by cutting the outer peripheral surface of the opening in an annular shape radially inwardly at the one end opening of the cylindrical body 3. A second connecting tubular portion 5 is provided which is provided with a tubular portion 4 and has an inner peripheral surface of the opening portion which is annularly cut outward in the radial direction at the other end opening portion of the tubular body 3.
And the outer diameter of the first connecting tubular portion 4 is set to the second
The diameter of the connecting tube portion 5 is smaller than the inner diameter of the connecting tube portion 5, and the first connecting tube portion 4 of one adjacent tube body 3 is connected to the second connecting tube portion 5 of the other tube body 3.
Can be inserted into the housing, and the curvature of the plurality of tubular bodies arranged in a curved shape can be adjusted between the outer peripheral surface of the first connecting tubular portion 4 and the inner peripheral surface of the second connecting tubular portion 5. A bend pipe characterized in that an adjustment gap S is provided.
求項１記載のベンド管。2. The bend pipe according to claim 1, wherein the cylindrical body 3 is made of a ceramic material.
コーティングした請求項１記載のベンド管。3. The bend pipe according to claim 1, wherein a ceramic film is coated on the inner peripheral surface of the cylindrical body 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4057998A JP2691893B2 (en) | 1992-03-16 | 1992-03-16 | Bend pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4057998A JP2691893B2 (en) | 1992-03-16 | 1992-03-16 | Bend pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05254659A true JPH05254659A (en) | 1993-10-05 |
| JP2691893B2 JP2691893B2 (en) | 1997-12-17 |
Family
ID=13071675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4057998A Expired - Lifetime JP2691893B2 (en) | 1992-03-16 | 1992-03-16 | Bend pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2691893B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014206209A (en) * | 2013-04-12 | 2014-10-30 | 栄喜 木村 | Underground buried pipe regenerating pipe material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63190682U (en) * | 1987-05-29 | 1988-12-08 | ||
| JPH01122590U (en) * | 1988-02-17 | 1989-08-21 | ||
| JPH01234692A (en) * | 1988-03-15 | 1989-09-19 | Toyo Tire & Rubber Co Ltd | Method of preventing sintered wear-resistant inner layer hose from irregular wearing and the hose |
| JPH0221097A (en) * | 1988-07-11 | 1990-01-24 | Kubota Ltd | Ceramics lining bent pipe |
-
1992
- 1992-03-16 JP JP4057998A patent/JP2691893B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63190682U (en) * | 1987-05-29 | 1988-12-08 | ||
| JPH01122590U (en) * | 1988-02-17 | 1989-08-21 | ||
| JPH01234692A (en) * | 1988-03-15 | 1989-09-19 | Toyo Tire & Rubber Co Ltd | Method of preventing sintered wear-resistant inner layer hose from irregular wearing and the hose |
| JPH0221097A (en) * | 1988-07-11 | 1990-01-24 | Kubota Ltd | Ceramics lining bent pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014206209A (en) * | 2013-04-12 | 2014-10-30 | 栄喜 木村 | Underground buried pipe regenerating pipe material |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2691893B2 (en) | 1997-12-17 |
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