JPH07159046A - Heating, rotating cylindrical body device - Google Patents
Heating, rotating cylindrical body deviceInfo
- Publication number
- JPH07159046A JPH07159046A JP5340334A JP34033493A JPH07159046A JP H07159046 A JPH07159046 A JP H07159046A JP 5340334 A JP5340334 A JP 5340334A JP 34033493 A JP34033493 A JP 34033493A JP H07159046 A JPH07159046 A JP H07159046A
- Authority
- JP
- Japan
- Prior art keywords
- tubular body
- cylindrical body
- connecting pipe
- contact surface
- raw material
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 239000008187 granular material Substances 0.000 claims description 6
- 239000003779 heat-resistant material Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 8
- 239000007769 metal material Substances 0.000 description 8
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、粉粒塊状物等の産業上
の原料、中間原料あるいは廃棄物（以下、原料等とい
う）を加熱処理する加熱回転筒状体装置に関し、特に、
気密を保ちつつ原料等を回転する筒状体中に供給し、及
び／もしくは回転筒状体内で加熱処理され、原料を製品
として、気密を保ちつつ回転筒状体から排出させるため
の、回転筒状体に対する気密接触管を備えた加熱回転筒
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating rotary tubular apparatus for heat-treating industrial raw materials such as powdery or granular materials, intermediate raw materials or wastes (hereinafter referred to as raw materials), and in particular,
A rotating cylinder for supplying raw materials and the like into a rotating cylindrical body while maintaining airtightness and / or heat-treating the material in the rotating cylindrical body, and discharging the raw material as a product from the rotating cylindrical body while maintaining airtightness. The present invention relates to a heating rotary cylinder device including an airtight contact tube for a cylindrical body.
【０００２】[0002]
【従来の技術】回転する筒状体内に、加熱処理を受ける
べき粉粒塊状またはスラリー状、フィルターケーキ状の
原料等を供給口を経て供給したり、ならびに回転筒状体
から取出口を経て加熱後の原料を製品として排出させる
場合、筒状体の供給口あるいは取出口と外気の気密を保
つ状態で上記供給口あるいは取出口と接続管を接続する
手法は、筒状体の回転軸が確実に一定している場合にお
いては公知である。2. Description of the Related Art A raw material in the form of powder or granules, a slurry, or a filter cake to be subjected to heat treatment is supplied to a rotating cylindrical body through a supply port, or heated from a rotating cylindrical body through an outlet. When discharging the subsequent raw material as a product, the method of connecting the supply port or outlet of the cylindrical body and the connecting pipe with the supply port or outlet while maintaining the airtightness of the outside air is It is publicly known when it is constant.
【０００３】例えば、供給口あるいは取出口と接続管と
を極めて狭い空隙をもってあるいは軽い接触状態で同心
に位置せしめて、所定の気密を保ちつつ両者の相対回転
を許容する構成とすることができる。For example, the supply port or the outlet port and the connecting pipe may be concentrically positioned with an extremely narrow gap or in a light contact state to allow relative rotation between the two while maintaining a predetermined airtightness.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上述の
公知の手法は、高温度下で操作する回転筒状体において
次のような問題点がある。 （イ）筒状体製作時の偏心 筒状体が金属材料だけで製作される場合、その回転中心
軸は確実に一定しているが、回転筒状体の全部あるいは
一部が例えば石英、炭化珪素、窒化珪素などの非金属材
料によって製作されている場合、金属材料のような精密
な加工が困難であり、回転軸は偏心することが多い。特
に、上記非金属材料性の筒状体を、圧縮変形を行う耐熱
材料あるいは断熱材料で保持する場合には筒状体製作時
に偏心が生ずることが避けられない。 （ロ）高温時の熱変形による偏心 例えば、回転筒状体として石英管を用い、１３００°Ｃ
の高温で操作する場合、石英管は軟化点に近くまで昇温
するのでクリープ変形を起こす。回転を続けることによ
り巨視的には石英管の外形は大略原形に近いものに保持
できるが、微視的には筒状体の回転中心軸は偏心するこ
とが避けられない。 （ハ）偏心による回転円筒の破壊 上記のような非金属材料製の回転筒状体に対して、金属
材料製の回転筒状体の場合に使用される公知の気密接触
せる接続管をそのまま適用すると、僅かの偏心があって
も非金属材料製の回転筒状体はその応力に耐え切れずに
破壊する可能性が大きい。製作時に偏心が無くても、高
温操作時に熱膨張および軟化に伴う熱変形によって偏心
すれば同様である。 （ニ）不純物の混入 回転接触の部分だけを金属材料によって製作すれば、製
作時の精度は向上するが、高温時における筒状体の軟化
による偏心の問題は解決されず、また、例えば超高純度
の粉粒状材料を加熱処理する場合には、回転接触面での
金属摩耗に起因する不純物汚染という致命的な新たな問
題を生ずる。However, the above-mentioned known method has the following problems in the rotating tubular body operated at a high temperature. (A) Eccentricity when manufacturing the tubular body When the tubular body is made of only a metal material, its rotation center axis is surely constant, but all or a part of the rotating tubular body is made of, for example, quartz or carbonization. When it is made of a non-metal material such as silicon or silicon nitride, it is difficult to perform precise processing like a metal material, and the rotating shaft is often eccentric. In particular, when the tubular body made of a non-metallic material is held by a heat-resistant material or a heat insulating material that undergoes compressive deformation, eccentricity is unavoidable when the tubular body is manufactured. (B) Eccentricity due to thermal deformation at high temperature For example, a quartz tube is used as the rotating tubular body, and the temperature is 1300 ° C.
When operated at a high temperature, the quartz tube heats up to near the softening point, causing creep deformation. By continuing the rotation, the outer shape of the quartz tube can be macroscopically kept close to the original shape, but microscopically, the center axis of rotation of the tubular body is eccentric. (C) Destruction of the rotating cylinder due to eccentricity To the rotating cylindrical body made of a non-metallic material as described above, the connection pipe for publicly known airtight contact used in the case of the rotating cylindrical body made of a metal material is applied as it is. Then, even if there is a slight eccentricity, the rotating tubular body made of a non-metallic material has a high possibility of breaking without being able to withstand the stress. Even if there is no eccentricity at the time of manufacturing, it is the same if it is eccentric due to thermal deformation due to thermal expansion and softening during high temperature operation. (D) Mixing of impurities If only the rotating contact part is made of a metal material, the accuracy at the time of manufacturing will be improved, but the problem of eccentricity due to softening of the tubular body at high temperature will not be solved, and if the In the case of heat-treating a powdery granular material, a fatal new problem of contamination of impurities due to metal wear on the rotating contact surface occurs.
【０００５】本発明は、かかる従来装置がかかえていた
問題を解決し、原料等を回転筒状体内で加熱処理する場
合、該回転筒状体の回転中心軸が偏心状態にあっても、
気密を保ちつつ原料等を筒状体中に供給し、もしくは気
密を保ちつつ製品を回転筒状体から排出させることので
きる接続装置を有する加熱回転筒状体装置を提供するこ
とを目的にしている。The present invention solves the problem of the conventional apparatus, and when heat-treating a raw material or the like in a rotary tubular body, even if the rotation center axis of the rotary tubular body is eccentric,
For the purpose of providing a heating rotary tubular body device having a connecting device capable of supplying raw materials and the like into a tubular body while maintaining airtightness, or discharging a product from a rotary tubular body while maintaining airtightness There is.
【０００６】[0006]
【課題を解決するための手段】本発明によれば、上記目
的は回転軸線方向の少なくとも一方の端部に開口部を有
し耐熱材料から成る加熱用の筒状体と、上記開口部に設
けられた粉粒塊状物等の原料等を上記筒状体内に供給す
るための供給口及び上記原料等を加熱後に製品として取
り出すための取出口と、該供給口及び取出口の少なくと
も一方を対応外部装置と接続するための接続管とを有す
るものにおいて、供給口及び取出口の少なくとも一方と
接続管とが互いに接面する接触面が、弾圧部材により摺
動自在に弾圧接触する球面の一部をなしていることによ
り達成される。According to the present invention, the above object is to provide a heating cylindrical body made of a heat-resistant material and having an opening at at least one end in the direction of the axis of rotation. A supply port for supplying the raw material such as the powdered or granular material into the cylindrical body and an outlet for taking out the raw material or the like as a product after heating, and at least one of the supply port and the outlet is compatible External In a device having a connecting pipe for connecting to a device, a contact surface where at least one of the supply port and the take-out port and the connecting pipe are in contact with each other has a part of a spherical surface slidably elastically contacted by an elastic member. It is achieved by doing nothing.
【０００７】[0007]
【作用】偏心して回転する筒状体の端部の回転軸は、筒
状体の回転に伴って空間中を変位するが、原料等の供給
管あるいは製品の取出管としての接続管の端部に接続面
として形成された球面状の接触面は、回転する筒状体端
部の対応せる球面状の接触面に付勢されながら上記筒状
体の変位に追従して空間中を変位し、回転する筒状体端
部の変位にかかわらず、筒状体の回転に対して気密を保
ったまま接触状態を維持する。The rotating shaft of the end portion of the eccentrically rotating tubular body is displaced in the space as the tubular body rotates, but the end portion of the connecting pipe as a supply pipe for raw materials or a product take-out pipe. The spherical contact surface formed as the connection surface in the space is displaced in the space by following the displacement of the tubular body while being biased by the corresponding spherical contact surface of the rotating tubular body end portion, The contact state is maintained while maintaining airtightness against the rotation of the tubular body regardless of the displacement of the rotating tubular body end portion.
【０００８】[0008]
【実施例】以下、添付図面にもとづき本発明の実施例を
説明する。Embodiments of the present invention will be described below with reference to the accompanying drawings.
【０００９】図１において、符号１は軸線２のまわりに
回転する筒状体端部であり、軸線２の回転に伴って該筒
状体端部１は筒状体本体の偏心に対応した変位を行う。
図示せぬ上記筒状体本体は、上記筒状体端部１よりも大
径で、多くの場合、これと一体に形成されており、駆動
手段により軸線２のまわりに回転駆動を受けている。ま
た、上記筒状体本体は、外部のあるいは内蔵せる加熱手
段により加熱を受けている。さらには、該筒状体本体の
少なくとも内面そして上記筒状体端部１は、該筒状体本
体内で加熱処理を受ける原料等に対して汚染を与えるこ
とのない物質によって構成されている。In FIG. 1, reference numeral 1 is an end portion of a cylindrical body which rotates around an axis 2, and the end portion 1 of the cylindrical body is displaced in accordance with the rotation of the axis 2 so as to correspond to the eccentricity of the main body of the cylindrical body. I do.
The tubular body main body (not shown) has a diameter larger than that of the tubular body end portion 1 and is formed integrally with the tubular body end portion 1 in many cases, and is rotationally driven around the axis 2 by the driving means. . The tubular body is heated by an external or built-in heating means. Furthermore, at least the inner surface of the tubular body and the tubular end portion 1 are made of a substance that does not contaminate the raw material or the like to be heat-treated in the tubular body.
【００１０】上記筒状体端部１は、端面が実質的に球面
の一部をなす接触面３として形成され、内部に原料等あ
るいは製品の通過のための通路４を有している。The end portion 1 of the tubular body is formed as a contact surface 3 whose end surface is substantially a part of a spherical surface, and has a passage 4 therein for passing raw materials or products.
【００１１】符号５は原料等に対して汚染を与えること
のない物質から作られ、該原料等の供給管あるいは製品
の取出管をなす接続管であり、その一端には実質的に上
記の筒状体端部１の球面状の接触面３と適合する球面の
一部をなす凹状の接触面６を有している。該接触面６
は、空間に固定された架台７に設けられたばね等の弾性
体８の作用によって筒状体端部１の上記接触面３に付勢
されて接触しており、筒状体端部１の回転に伴う軸線２
の変位（平行移動及び角変位）に対しても、筒状体端部
１の回転に対して気密を保ちつつ追随して変位するよう
になっている。Reference numeral 5 is a connecting pipe which is made of a substance which does not pollute the raw material and forms a supply pipe for the raw material or a take-out pipe for the product, and one end of which is substantially the above-mentioned cylinder. It has a concave contact surface 6 which forms part of a spherical surface which matches the spherical contact surface 3 of the end 1 of the body. The contact surface 6
Is urged into contact with the contact surface 3 of the tubular body end portion 1 by the action of an elastic body 8 such as a spring provided on a pedestal 7 fixed in the space, so that the tubular body end portion 1 rotates. Axis 2 associated with
With respect to the displacement (parallel movement and angular displacement), the displacement is made following the rotation of the tubular body end portion 1 while keeping airtightness.
【００１２】上記接続管５は、図示せぬ他端側が原料供
給装置あるいは製品受装置に接続されている。その場
合、該接続管５の他端側に変位のための自由度があれ
ば、該接続管は剛性の高いものであってもよいが、変位
について拘束を受けているときには、中間部等の少なく
とも一部に可撓性を有していることが望まれる。The other end of the connecting pipe 5 (not shown) is connected to a raw material supply device or a product receiving device. In that case, if the other end of the connecting pipe 5 has a degree of freedom for displacement, the connecting pipe may have high rigidity, but when it is constrained with respect to displacement, the connecting pipe is It is desired that at least a part thereof has flexibility.
【００１３】上記弾性体８は図示のばねに限定されず、
架台７に設置して接続管５の接触面６を筒状体端部１の
接触面３に押しつける作用を行うものであれば、その種
類・形状・数は任意であり、例えば、可撓性板部材、流
体圧装置等も有用である。かかる本実施例装置におい
て、粉粒塊状物をなす原料等は、接続管５の通路９を経
て筒状体端部１中の通路４に入り、回転する筒状体本体
（図示せず）内に送入される。あるいは、上記筒状体本
体で加熱処理された原料等が製品として上記通路４から
通路９を経て取り出される。The elastic body 8 is not limited to the illustrated spring,
The type, shape and number are arbitrary as long as they are installed on the gantry 7 and perform an action of pressing the contact surface 6 of the connecting pipe 5 against the contact surface 3 of the tubular body end portion 1. Plate members, fluid pressure devices, etc. are also useful. In the apparatus of this embodiment, raw materials forming a granular material enter the passage 4 in the end portion 1 of the tubular body through the passage 9 of the connecting pipe 5 and inside the rotating tubular body main body (not shown). Sent to. Alternatively, the raw material or the like heat-treated in the tubular body is taken out from the passage 4 through the passage 9 as a product.
【００１４】図１において接続管５の中心軸１０は筒状
体端部１の軸線２と一致しているとは限らず、軸線２が
変位している場合には中心軸１０は軸線２に対して角度
をもって変位し、接続管５の接触面６は筒状体端部１の
接触面３に対し付勢された状態で摺接しながら追従し気
密性を維持する。また、上記接触面３，６の摺接時に互
いに摩耗を伴っても、その摩耗粉は原料等に対して汚染
を与えない物質であるために製品に対し何ら影響をもた
らさないし、又上記付勢を受けているのでその気密性が
低下することもない。In FIG. 1, the central axis 10 of the connecting pipe 5 does not always coincide with the axis 2 of the end portion 1 of the tubular body, and when the axis 2 is displaced, the central axis 10 becomes the axis 2. The contact surface 6 of the connection pipe 5 follows the contact surface 6 of the tubular body end portion 1 while being slidably contacted with the contact surface 3 of the cylindrical body end portion 1 while keeping the airtightness. Further, even if the contact surfaces 3 and 6 are abraded to each other when they are in sliding contact with each other, since the abrasion powder is a substance that does not pollute the raw materials and the like, it does not affect the product at all, and the urging force is not exerted. The airtightness is not deteriorated because it is subjected to.
【００１５】接続管５の接触面６を筒状体端部１の接触
面３に付勢する方法としては、図１のものに限定され
ず、例えば図２のように筒状体端部１の回転軸に対して
実質的に直角な方向での弾性体１１を設置することによ
り、接続管５を回転筒状体端部１と気密を保ちつつ接触
せしめ、筒状体端部１の変位に追随して変位させる構成
のものにすることができる。弾性体１１は図２に示され
るものに限定されず、上記作用のものであれば、図１の
場合と同様に、その種類・形状・数は任意である。The method of urging the contact surface 6 of the connecting pipe 5 against the contact surface 3 of the tubular body end portion 1 is not limited to that shown in FIG. 1, and for example, as shown in FIG. By installing the elastic body 11 in a direction substantially perpendicular to the rotation axis of the connecting tube 5, the connecting pipe 5 is brought into contact with the rotating tubular body end portion 1 while maintaining airtightness, and the tubular body end portion 1 is displaced. It can be configured to be displaced following the above. The elastic body 11 is not limited to the one shown in FIG. 2, and the type, shape and number of the elastic body 11 are arbitrary as in the case of FIG.
【００１６】筒状体端部１に形成された接触面３と、こ
れに付勢されて接触する接続管５の接触面６の形状は必
ずしも図１，図２に図示されたものに限らず、図３のよ
うに上記接触面３と接触面６とが球面として接触するも
のであれば、特に限定はない。The shapes of the contact surface 3 formed on the end portion 1 of the tubular body and the contact surface 6 of the connecting pipe 5 which is urged to contact the contact surface 3 are not limited to those shown in FIGS. 1 and 2. As shown in FIG. 3, there is no particular limitation as long as the contact surface 3 and the contact surface 6 contact each other as a spherical surface.
【００１７】原料等の通路９および４の内径は図１，図
２のものに限定されず、例えば図３のように異なった寸
法のものであっもよい。また接続管５の端部の形状は必
ずしも図１，図２のものに限定されず、例えば図３のよ
うに、接触面６を接触面３に付勢することのできる構造
のものであればその形状・寸法は任意である。The inner diameters of the passages 9 and 4 for the raw material and the like are not limited to those shown in FIGS. 1 and 2, but may have different sizes as shown in FIG. 3, for example. The shape of the end portion of the connecting pipe 5 is not necessarily limited to that shown in FIGS. 1 and 2, but may be any structure as shown in FIG. 3, for example, as long as the contact surface 6 can be biased toward the contact surface 3. Its shape and dimensions are arbitrary.
【００１８】[0018]
【発明の効果】以上のように本発明においては、回転に
よって回転軸が変位する筒状体端部において、原料等の
送入管もしくは製品の取出管としての接続管を筒状体端
部に気密を保ったまま接触させ、回転軸の変位に対して
自在に追随することができ、しかも汚染源の皆無な材料
によって接触面を構成するとができるので、高純度を要
する粉粒塊状物の高温度下での加熱処理を、微量成分に
よる汚染を起こすことなく達成することができるという
効果を得る。As described above, according to the present invention, at the end of the tubular body whose rotational axis is displaced by the rotation, the connecting pipe as a feed pipe for the raw materials or the like or a take-out pipe for the product is placed at the end of the tubular body. The contact surface can be kept in contact with airtightness and can freely follow the displacement of the rotating shaft, and the contact surface can be made of a material with no pollution source. The effect that the heat treatment below can be achieved without causing contamination by trace components is obtained.
【図１】本発明の第一実施例装置の軸線を含む面での断
面図である。FIG. 1 is a cross-sectional view of a device according to a first embodiment of the present invention in a plane including an axis.
【図２】第一実施例装置における弾性体取り付け等に関
しての他の変形例を示す軸線を含む面での断面図であ
る。FIG. 2 is a cross-sectional view taken along a plane including an axis, showing another modification of the elastic body mounting and the like in the first embodiment device.
【図３】第一実施例例装置の筒状体端部の接触面に接続
管の接触面を接触させる他の変形例の軸線を含む面での
断面図である。FIG. 3 is a cross-sectional view of a surface including an axis of another modification in which the contact surface of the end portion of the tubular body of the device of the first embodiment is brought into contact with the contact surface of the connection pipe.
１ 筒状体の端部 ２ 筒状体の回転軸線 ３ 接触面 ５ 接続管 ６ 接触面 ８ 弾性体 １１ 弾性体 1 End of tubular body 2 Rotational axis of tubular body 3 Contact surface 5 Connection pipe 6 Contact surface 8 Elastic body 11 Elastic body
Claims (1)
口部を有し耐熱材料から成る加熱用の筒状体と、上記開
口部に設けられた粉粒塊状物等の原料等を上記筒状体内
に供給するための供給口及び上記原料等を加熱後に製品
として取り出すための取出口と、該供給口及び取出口の
少なくとも一方を対応外部装置と接続するための接続管
とを有するものにおいて、供給口及び取出口の少なくと
も一方と接続管とが互いに接面する接触面が、弾圧部材
により摺動自在に弾圧接触する球面の一部をなしている
ことを特徴とする加熱回転筒状体装置。1. A heating cylindrical body made of a heat-resistant material having an opening at at least one end in the direction of the axis of rotation, and a raw material such as a powdery or granular material provided in the opening. In a container having a supply port for supplying the raw material into the shape body, a take-out port for taking out the raw material and the like as a product after heating, and a connecting pipe for connecting at least one of the supply port and the take-out port to a corresponding external device A heating rotary tubular body characterized in that a contact surface where at least one of the supply port and the discharge port and the connecting pipe contact each other forms a part of a spherical surface slidably elastically contacted by an elastic member. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5340334A JPH07159046A (en) | 1993-12-09 | 1993-12-09 | Heating, rotating cylindrical body device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5340334A JPH07159046A (en) | 1993-12-09 | 1993-12-09 | Heating, rotating cylindrical body device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07159046A true JPH07159046A (en) | 1995-06-20 |
Family
ID=18335950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5340334A Pending JPH07159046A (en) | 1993-12-09 | 1993-12-09 | Heating, rotating cylindrical body device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07159046A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006312964A (en) * | 2005-05-09 | 2006-11-16 | Nabtesco Corp | Connection device |
| JP2012531573A (en) * | 2009-06-25 | 2012-12-10 | イーストー，インコーポレイティド | Quartz glass horizontal furnace and assembly |
-
1993
- 1993-12-09 JP JP5340334A patent/JPH07159046A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006312964A (en) * | 2005-05-09 | 2006-11-16 | Nabtesco Corp | Connection device |
| JP2012531573A (en) * | 2009-06-25 | 2012-12-10 | イーストー，インコーポレイティド | Quartz glass horizontal furnace and assembly |
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