JPS60202722A - Method and apparatus for hydrating and dehydrating raw material supplied into cylinder in extruder - Google Patents
Method and apparatus for hydrating and dehydrating raw material supplied into cylinder in extruderInfo
- Publication number
- JPS60202722A JPS60202722A JP59057787A JP5778784A JPS60202722A JP S60202722 A JPS60202722 A JP S60202722A JP 59057787 A JP59057787 A JP 59057787A JP 5778784 A JP5778784 A JP 5778784A JP S60202722 A JPS60202722 A JP S60202722A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- cylinder
- extruder
- supplied
- hydrating
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/51—Screws with internal flow passages, e.g. for molten material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Description
【発明の詳細な説明】
（技術分野）
本発明は、押出機による押出工程における、シリンダ内
供給素材の加水又は脱水方法及びその装置に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION (Technical Field) The present invention relates to a method for adding or dehydrating a material fed into a cylinder in an extrusion process using an extruder, and an apparatus therefor.
従来、押出機Ｋ ｉ−ける、ホッパーを通して供給され
る供給素材の連続押出工程において、シリンダ内の供給
素材に対する加水又は脱水の技術としては、シリンダの
一部内壁に孔を設け、この孔を利用して、シリンダ内供
給素材に所定量の水分を供給したシ、又は高圧状態の供
給素材から生ずる水分を排除する方法が知られている。Conventionally, in the continuous extrusion process of the feed material fed through the hopper of an extruder, the technology for adding or dehydrating the feed material in the cylinder is to provide a hole in a part of the inner wall of the cylinder and utilize this hole. A method is known in which a predetermined amount of moisture is supplied to the feed material in a cylinder, or moisture generated from the feed material under high pressure is removed.
しかしながら、かかる技術によれば、シリンダの内壁に
機械的に形成される孔は、供給素材の分子レベルに比し
相当大きいため、スクリューの回転によシ加圧移動され
る供給素材の加水又は脱水度に部分的なムラが生じやす
い。また加水又は脱水度をその孔近傍の圧力度に応じて
制御する必要があるため、圧力計を含む圧力検知手段を
設ける必要があり、その分構成が複雑であるという問題
点があった。However, according to this technique, the holes mechanically formed in the inner wall of the cylinder are considerably large compared to the molecular level of the feed material, so the feed material that is moved under pressure by the rotation of the screw is hydrated or dehydrated. Partial unevenness tends to occur. Furthermore, since it is necessary to control the degree of water addition or dehydration in accordance with the pressure level near the hole, it is necessary to provide a pressure detection means including a pressure gauge, resulting in a problem that the structure is complicated accordingly.
本発明は、上記問題点に鑑みてなされたものであシ、ス
クリューによシ連続的に移動される供給素材に対してム
ラなく均一に加水又は脱水を行なわしめ、これによシ押
出成形品の品質の向上を図ることができ、しかも加水又
は脱水度を調節するための圧力検知手段を特に設ける必
要がなく、構成を簡略化しうる、押出機におけるシリン
ダ内供給素材の加水又は脱水方法及びその装置を提供す
ることにある。The present invention has been made in view of the above-mentioned problems, and it is possible to evenly and uniformly add or dehydrate a supplied material that is continuously moved by a screw, thereby producing an extrusion molded product. A method for adding water or dehydrating a material fed into a cylinder in an extruder, which can improve the quality of the material, and which can simplify the configuration without the need to specifically provide a pressure detection means to adjust the degree of water addition or dehydration, and the method thereof. The goal is to provide equipment.
本発明に係る押出機におけるシリンダ内供給素材の加水
又は脱水方法の構成は、シリンダ内に充填される供給素
材をスクリューの回転によシ加圧移動しつつ混練して押
出す工程において、移動範囲の一部又は全部の供給素材
に対し、これに接するスクリューの材料自体が有する多
数の散在する微細孔を介して加水又は脱水するものであ
り、また本発明に係る押出機におけるシリンダ内供給素
材の加水又は脱水装置の構成は、供給素材が充填される
シリンダと、シリンダ内に嵌入しており、駆動力によシ
回転して供給素材を加圧移動しつつ混練して押出すスク
リューと、スクリュー内に形成された加水又は脱水管路
とを有し、連続気泡を有する多孔質金属材を以ってスク
リューの一部又は全部を構成してなるものでめる。The structure of the method for adding water or dehydrating the feed material in a cylinder in an extruder according to the present invention is that in the step of kneading and extruding the feed material filled in the cylinder while moving it under pressure by the rotation of the screw, the movement range is Water is added or dehydrated to some or all of the feed material through the many scattered micropores of the screw material itself that is in contact with it, and the feed material in the cylinder of the extruder according to the present invention is hydrated or dehydrated. The hydration or dehydration device consists of a cylinder filled with the material to be supplied, a screw fitted into the cylinder and rotated by a driving force to pressurize and move the material to knead and extrude it, and a screw. The screw has a hydration or dehydration pipe formed therein, and part or all of the screw is made of a porous metal material having open cells.
次に、本発明の実施装置について添付図面を参照しガか
ら説明する。Next, an apparatus for implementing the present invention will be explained with reference to the accompanying drawings.
第１図は、本発明の実施装置を適用したスクリュー押出
機の一部縦断面図であシ、第２図は第１図の要部横断面
図である。１はスクリュー押出機のシリンダでアシ、貫
通孔１ａを有している。２はシリンダ１の貫通孔ｌａ内
に嵌入され、駆動モータ（図示せず）により回転される
スクリューであシ、これはホッパー（図示せず）を通Ｌ
’ｌ’を卵入方向に供給される供給素材（例えば、プラ
スチック素材２食品素材など）をその各フィン３ａ。FIG. 1 is a partial longitudinal cross-sectional view of a screw extruder to which an apparatus for implementing the present invention is applied, and FIG. 2 is a cross-sectional view of the main part of FIG. 1. 1 is a cylinder of a screw extruder and has a reed and a through hole 1a. 2 is a screw that is fitted into the through hole la of the cylinder 1 and rotated by a drive motor (not shown).
'l' is the feed material (for example, plastic material 2 food material, etc.) that is fed in the egg insertion direction to each of its fins 3a.
４ａ、５ａを以って加圧しながら矢印入方向へ移動しつ
つ混練する。Knead while moving in the direction of the arrow while applying pressure with 4a and 5a.
スクリュー２は、前部スクリュー３．中間スクリュー４
．後部スクリュー５．スクリューキャップ６、及びスク
リュー駆動軸（以下、単に軸という）７よシ大略構成亨
れている。前部スクリュー３はその中空部３ｂにボス部
３ｃ、３ｄを有しておりへ軸７の先端部側のスプライン
部７ａ及び中間のスプライン部７ｂの先端部に夫々嵌合
している。ここで、スプライン部７ａ、７ｂの突条の数
はボス部３ｃ、３ｄのキー溝の数より少なくなるよう、
欠歯しであるため、前部スクリュー３の先端部の中空部
３ｅと前述の中空部３ｂとは連通状態にある。なお、８
はスクリュー締付ナツト、９は皿バネ、１０は座金であ
る。Screw 2 is the front screw 3. intermediate screw 4
．． Rear screw 5. The screw cap 6 and the screw drive shaft (hereinafter simply referred to as the shaft) 7 generally have the same structure. The front screw 3 has boss portions 3c and 3d in its hollow portion 3b, which are fitted into the distal end portions of the spline portion 7a on the distal end side of the shaft 7 and the intermediate spline portion 7b, respectively. Here, the number of protrusions on the spline parts 7a and 7b is set to be smaller than the number of key grooves on the boss parts 3c and 3d.
Due to the lack of teeth, the hollow portion 3e at the tip of the front screw 3 and the hollow portion 3b described above are in communication. In addition, 8
9 is a screw tightening nut, 9 is a disc spring, and 10 is a washer.
中間スクリュー４も中空内にボス部４ｂを有しており、
軸７のスプライン部７ｂに嵌合している。The intermediate screw 4 also has a boss portion 4b inside the hollow,
It fits into the spline portion 7b of the shaft 7.
スプライン部７ｂの突条の数はボス部４ｂのキー溝の数
よシ少なくなるよう、欠歯しである。中間スクリュー４
は、若干前部スクリュウ３及び後部スクリュー５よシ小
径であシ、連続気泡を有する多孔質金属〔例えば、発泡
金属（アルミニウム金属など）、焼結金属〕を以って一
体的に構成されている。したがって、スプライン部７ｂ
の突条が嵌合していないボス部４ｂのキー溝と中間スク
リ予−４の外周部とは、中間スクリュー４の材料自体が
有する連続気泡を介して連通状態にある。The number of protrusions on the spline portion 7b is toothless so that it is smaller than the number of key grooves on the boss portion 4b. intermediate screw 4
The screw has a slightly smaller diameter than the front screw 3 and the rear screw 5, and is integrally made of a porous metal having open cells [e.g., foamed metal (aluminum metal, etc.), sintered metal]. There is. Therefore, the spline portion 7b
The key groove of the boss portion 4b into which the protrusion is not fitted and the outer circumferential portion of the intermediate screw 4 are in communication via the open cells of the material of the intermediate screw 4 itself.
また、後部スクリュー５も中空内にボス部５ｂを有して
おシ、軸７のスプライン部７ｂに嵌合している。スプラ
イン部７Ｃの突条の数はボス部５ｂのキー溝の数よシ少
なくなるよう欠歯している。Further, the rear screw 5 also has a boss portion 5b in a hollow space, and is fitted into a spline portion 7b of the shaft 7. The spline portion 7C has missing teeth so that the number of protrusions is smaller than the number of key grooves of the boss portion 5b.
したがって、スプライン部７ｂの突条が嵌合していない
ボス部４ｂ 、５ｂのキー溝を介して中空部３ｂとスク
リュー２の基部空間Ｂとは連通状態にある。Therefore, the hollow portion 3b and the base space B of the screw 2 are in communication via the key grooves of the boss portions 4b and 5b in which the protrusions of the spline portion 7b are not fitted.
スクリューキャップ６は、前部スクリュー３の先端部に
螺着してシシ、これは中間スクリュー４と同様に連続気
泡を有する多孔質金属を以って一体的に構成されている
。The screw cap 6 is screwed onto the tip of the front screw 3 and, like the intermediate screw 4, is integrally made of porous metal having open cells.
軸７は、駆動モータ（図示せず）よシその基部から付与
される回転力を各スクリュー３，４，５ｊ に伝達する
もので１、中空孔７Ｃを有する。なお、基部空間Ｂと貫
通孔ｌａ内とは、図示しない圧力回転継手によって水密
状態におかれている。The shaft 7 transmits rotational force applied from a drive motor (not shown) and its base to each of the screws 3, 4, 5j, and has a hollow hole 7C. Note that the base space B and the inside of the through hole la are kept watertight by a pressure rotary joint (not shown).
次に、上記実施装置の動作につき説明すると、まず、軸
７の中空孔７Ｃ内に対し、圧力水が図示矢印ａの如く供
給され、順次矢印ｂｌＣｌｄ＃ｅ１ｆ、ｇ、ｈの如く流
れて循環する。一方、スクリュ−２全体は一定方向に回
転してシシ、これによシ供給素材は図示入方向く圧送さ
れ、スクリューキャップ６の前方へ徐々に押出されて成
形される。Next, to explain the operation of the above-mentioned implementation device, first, pressurized water is supplied into the hollow hole 7C of the shaft 7 as shown by the arrow a in the figure, and sequentially flows and circulates as shown by the arrows blCld#e1f, g, and h. . On the other hand, the screw 2 as a whole rotates in a fixed direction, thereby forcing the supplied material in the direction shown in the figure and gradually extruding it toward the front of the screw cap 6 to form it.
かかる状態において、中空孔７Ｃ内に圧入された圧力水
は先端部の中空部３６に達し、その一部はスクリューキ
ャップ６の連続気泡を介してシリンダ１の貫通孔ｌａ内
ににじみ出される。ここで、スクリューキャップ６の連
続気泡は微細管として機能している。また、先端部の中
空部３ｅから他の中空部３ｂを介してボス部４ｂのキー
溝を流れる圧力水の一部は、中間スクリュー４の連続気
泡を通じて中間スクリュー４が接する貫通孔ｌａ内の供
給素材に達する。この中間スクリュー４の連続気泡もま
た微細管として機能している。なお、供給素材の材質な
どにより、スクリュ−２全体から加水させる必要のある
場合は、前部スクリュー訃
３及び後部スクリュー５もまた連続気泡を有する多孔質
金属材で構成するとよい。また、スクリューキャップ６
、前部スクリュー３．中間スクリュー４．及び後部スク
リュー５を連続気泡を有する多孔質金属材で一体的に構
成してもよい。In this state, the pressurized water press-fitted into the hollow hole 7C reaches the hollow part 36 at the tip, and a part of it oozes out into the through hole la of the cylinder 1 through the open air bubbles of the screw cap 6. Here, the open cells in the screw cap 6 function as fine tubes. Further, a part of the pressure water flowing from the hollow part 3e at the tip through the key groove of the boss part 4b via the other hollow part 3b is supplied to the through hole la that the intermediate screw 4 contacts through the continuous bubbles of the intermediate screw 4. Reach the material. The open cells in the intermediate screw 4 also function as fine tubes. If it is necessary to add water to the entire screw 2 due to the material of the feed material, the front screw end 3 and the rear screw 5 may also be made of a porous metal material having open cells. Also, screw cap 6
, anterior screw 3. Intermediate screw 4. The rear screw 5 may also be integrally formed of a porous metal material having open cells.
上記実施装置によれば、連続気泡は多数の微細管として
機能するため、スクリュキャップ６、中間スクリュー４
に接する供給素材に対して均一な加水が行なわれること
により、これによシ押出成形品の品質の向上を図りうる
。また、中空孔７Ｃ（対する圧力を変化させるだけで、
スクリュー２からの吐水量が制御できるから、特に圧力
検知手段を設ける必要がなく、その分構成を簡単化でき
る。According to the above-mentioned implementation device, since the open cells function as a large number of fine tubes, the screw cap 6, the intermediate screw 4
By uniformly adding water to the feed material in contact with the material, it is possible to improve the quality of the extrusion molded product. In addition, by simply changing the pressure against the hollow hole 7C,
Since the amount of water discharged from the screw 2 can be controlled, there is no need to provide any particular pressure detection means, and the configuration can be simplified accordingly.
なお、上記実施装置は、供給素材に対して均一に加水を
行なわしめるものであるが、逆に中空孔７Ｃを吸引ポン
プで引くことにより、今度は供給素材に対する脱水を均
一に行なわしめることができる。また、単なる水の加水
又は脱水だけでなく、液状の添加物、ガスなどを加える
こと（本願ではこれを含めて加水という）がムラなく均
一に行なえる。The above-mentioned implementation device uniformly adds water to the supplied material, but by pulling the hollow hole 7C with a suction pump, it is possible to uniformly dehydrate the supplied material. . In addition, not only the mere addition or dehydration of water, but also the addition of liquid additives, gas, etc. (hereinafter referred to as "hydration" in this application) can be performed evenly and uniformly.
更に１中空孔７Ｃへ圧入させる流体として、熱媒体を用
いた場合には、供給媒体に対する加熱又は冷却をより直
接的に速やかに行なうことができる。Furthermore, when a heat medium is used as the fluid to be press-injected into the first hollow hole 7C, the supply medium can be heated or cooled more directly and quickly.
更にまた、本発明は単軸のみならず多軸の押出機におい
ても実施できる。Furthermore, the present invention can be carried out not only in a single-screw extruder but also in a multi-screw extruder.
本発明に係る方法は、供給素材に対し、これに接するス
クリューの材料自体が有する多数の散在する微細孔を介
して加水又は脱水を行なわしめる点を特徴とし、また本
発明に係る装置は、スクリューの一部又は全部を連続気
泡を有する多孔質金属を以って構成した点を特徴とする
ものであるため、次の効果を有する。The method according to the present invention is characterized in that water is added or dehydrated to the supplied material through a large number of scattered micropores that the material of the screw that is in contact with the material itself has, and the apparatus according to the present invention is characterized in that the supplied material is Since the device is characterized in that a part or all of the device is made of porous metal having open cells, it has the following effects.
■ 供給素材に対して一定範囲に亘シ均等な加水又は脱
水を行なうことができ、これにより押出成形品の品質の
向上を図シうる。(2) It is possible to uniformly add or dehydrate the supplied material over a certain range, thereby improving the quality of the extruded product.
■ 熱媒体の加水によシ、供給素材に対する一定範囲に
亘る均等な加熱又は冷却を速やかに達成することができ
る。(2) By adding water to the heating medium, it is possible to quickly achieve uniform heating or cooling of the feed material over a certain range.
■ 加水又は脱水度を制御するための制御手段が簡素化
でき、装置構成を単純化できる。(2) The control means for controlling the degree of water addition or dehydration can be simplified, and the device configuration can be simplified.
■ スクリュー自体の材料が微細孔を有するため、特に
機械加工によ多細孔を設ける必要がなく、その分製作工
数の削減を図りうる。(2) Since the material of the screw itself has micropores, there is no need to create many micropores through machining, which can reduce manufacturing man-hours.
第１図は、本発明の実施装置を適用した押出機の一部縦
断面図、第２図は、第１図の要部横断面図である。
１・・・押出機のシリンダ １ａ・・・貫通孔２・・・
押出機のスクリュー
３・・・前部スクリュー
３ａ、４ａ、５ａ・・・フィン
３ｂ、３ｅ・・・中空部
３ｃ、３ｄ、４ｂ、５ｂ・・・ボス部
４・・・中間スクリュー
５・・・後部スクリュー
６・・・スクリューキャップ
７・・・スクリュー駆動軸
７ａ、７ｂ・・・スプライン部
７Ｃ・・・中空孔
８・・・スクリュー締付ナツト
９・・・皿バネ
１０・・・座金
特許出願人 池貝鉄工株式会社
同 株式会社幸和工業FIG. 1 is a partial longitudinal cross-sectional view of an extruder to which an apparatus for implementing the present invention is applied, and FIG. 2 is a cross-sectional view of the main part of FIG. 1. 1...Cylinder of extruder 1a...Through hole 2...
Extruder screw 3...Front screw 3a, 4a, 5a...Fin 3b, 3e...Hollow part 3c, 3d, 4b, 5b...Boss part 4...Intermediate screw 5... Rear screw 6...Screw cap 7...Screw drive shafts 7a, 7b...Spline portion 7C...Hollow hole 8...Screw tightening nut 9...Disc spring 10...Washer patent application People Ikegai Iron Works Co., Ltd. Kowa Kogyo Co., Ltd.
Claims (2)
の回転によシ加圧移動しつつ混練して押出す工程におい
て、前記移動範囲の一部又は全部の前記供給素材に対し
、これに接する前記スクリューの材料自体が有する多数
の散在する微細孔を介して加水又は脱水することを特徴
とする押出機におけるシリンダ内供給素材の加水又は脱
水方法。(1) In the step of kneading and extruding the feed material filled in the cylinder while moving under pressure by the rotation of the screw, the feed material in a part or all of the moving range is A method for adding water or dehydrating a material fed into a cylinder in an extruder, characterized in that water is added or dehydrated through a large number of scattered micropores that the material of the screw itself has.
ンダ内に嵌入してシシ、駆動力によ多回転して前記供給
素材を加古移動しつつ混練して押出すスクリューと、前
記スクリュー内に形成された加水又は脱水管路とを有し
、連続気泡を有する多孔質金属材を以って前記スクリュ
ーの一部又は全部を構成してなることを特徴とする押出
機におけるシリンダ内供給素材の加水又は脱水装置。(2) Supply material force: a cylinder to be filled; a screw that fits into the cylinder and rotates multiple times by driving force to knead and extrude the supply material while moving it; and the inside of the screw. A material to be fed into a cylinder in an extruder, characterized in that the screw has a hydration or dehydration pipe formed in the above, and a part or all of the screw is made of a porous metal material having open cells. water addition or dehydration equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59057787A JPS60202722A (en) | 1984-03-26 | 1984-03-26 | Method and apparatus for hydrating and dehydrating raw material supplied into cylinder in extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59057787A JPS60202722A (en) | 1984-03-26 | 1984-03-26 | Method and apparatus for hydrating and dehydrating raw material supplied into cylinder in extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60202722A true JPS60202722A (en) | 1985-10-14 |
| JPS6251649B2 JPS6251649B2 (en) | 1987-10-30 |
Family
ID=13065591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59057787A Granted JPS60202722A (en) | 1984-03-26 | 1984-03-26 | Method and apparatus for hydrating and dehydrating raw material supplied into cylinder in extruder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60202722A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61191125U (en) * | 1985-05-23 | 1986-11-28 | ||
| JP2005193670A (en) * | 2004-01-02 | 2005-07-21 | Everfocus Worldwide Co Ltd | The formation method which enables the control of fine open cell core in fluid polymer material, and its apparatus |
| JP2014531980A (en) * | 2011-10-05 | 2014-12-04 | リスト ホールディング アーゲー | Method for thermal separation of volatile substances from non-volatile or less volatile substrates |
-
1984
- 1984-03-26 JP JP59057787A patent/JPS60202722A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61191125U (en) * | 1985-05-23 | 1986-11-28 | ||
| JP2005193670A (en) * | 2004-01-02 | 2005-07-21 | Everfocus Worldwide Co Ltd | The formation method which enables the control of fine open cell core in fluid polymer material, and its apparatus |
| JP4559846B2 (en) * | 2004-01-02 | 2010-10-13 | エバーフォーカス ワールドワイド カンパニー リミテッド | Generation method and apparatus capable of controlling microbubble nuclei in fluid polymer material |
| JP2014531980A (en) * | 2011-10-05 | 2014-12-04 | リスト ホールディング アーゲー | Method for thermal separation of volatile substances from non-volatile or less volatile substrates |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6251649B2 (en) | 1987-10-30 |
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