JPS59213462A - Hollow conical spray nozzle - Google Patents
Hollow conical spray nozzleInfo
- Publication number
- JPS59213462A JPS59213462A JP59063456A JP6345684A JPS59213462A JP S59213462 A JPS59213462 A JP S59213462A JP 59063456 A JP59063456 A JP 59063456A JP 6345684 A JP6345684 A JP 6345684A JP S59213462 A JPS59213462 A JP S59213462A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- mixing chamber
- inlet
- liquid
- inlet hole
- 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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3478—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet the liquid flowing at least two different courses before reaching the swirl chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
- B05B1/3426—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels emerging in the swirl chamber perpendicularly to the outlet axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
Landscapes
- Nozzles (AREA)
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、噴霧された液体の円すい散布範囲が調節可能
な中空円すい噴霧ノズルに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hollow conical atomizing nozzle in which the conical distribution range of the atomized liquid is adjustable.
公知のノズル構造において散布円すい形の形成のため必
要な噴霧すべき液体の旋回は、ノズルケーシング内の部
品によって、またはノズルケーシング内に液体を偏心し
て導入することによって生じる。他方において旋回の基
準となる液体の回転モーメントは液体の流速に依存して
いる。The swirling of the liquid to be sprayed, which is necessary for the formation of the distribution cone in known nozzle designs, is produced by parts in the nozzle casing or by introducing the liquid eccentrically into the nozzle casing. On the other hand, the rotational moment of the liquid, which is the basis for swirling, depends on the flow velocity of the liquid.
動作中に流速が変化すると、部品の固定的な幾何学的構
造または偏心導入およびノズルケーシングの後続の空間
の固定的な幾何学的構造のため、ノズルの散布角も変化
する。〜それに対して流速が一定であれば、散布角は、
旋回を生じる部品を交換するだけで変えることができる
。If the flow rate changes during operation, the dispersion angle of the nozzle also changes due to the fixed geometry of the parts or the eccentric introduction and the fixed geometry of the subsequent space of the nozzle casing. ~On the other hand, if the flow velocity is constant, the dispersion angle is
It can be changed simply by replacing the parts that cause the rotation.
中空円すい噴霧ノズルは、例えば色素の製造の際に噴霧
乾燥器において色素懸濁液を噴霧するために使われる。Hollow-conical atomizing nozzles are used, for example, for atomizing dye suspensions in spray dryers during the production of dyes.
その際噴霧される懸濁液の所定の噴射角は、小ぎな範囲
内で一定に維持しなければならない。角度があまり小ぎ
いと、乾燥空気の熱容量が最適に利用されないので、装
置の効率が低下すると共に、不完全に乾燥した生成粒子
が生じるようになる。散布角が大きすぎろと、乾燥器の
壁において生成物が焼付き、このことは、安全性および
品質上の理由から回避しなければいけない。The predetermined spray angle of the sprayed suspension must then be kept constant within a small range. If the angle is too small, the heat capacity of the drying air will not be utilized optimally, reducing the efficiency of the device and resulting in incompletely dried product particles. If the spreading angle is too large, the product will seize on the walls of the dryer, which must be avoided for safety and quality reasons.
そのため再三にわたって乾燥処理は中断でれる。Therefore, the drying process is repeatedly interrupted.
高分散織物色素調合剤を乾燥する場合、乾燥空気の流入
および流出温度のような乾燥条件を個々の段階において
改めて決定することが必要である。When drying highly dispersed textile dye preparations, it is necessary to re-determine the drying conditions in the individual stages, such as the inlet and outlet temperatures of the drying air.
一方において最適な生成物の流れを維持し、他方におい
て例えば乾燥中のあまりに高い熱負荷による品質低下を
防止するようにする。これ企行うため、ノズルに対する
流量を可変にすることが必要である。On the one hand, an optimum product flow is maintained and, on the other hand, deterioration of quality due to too high heat loads, for example during drying, is prevented. To accomplish this, it is necessary to make the flow rate to the nozzle variable.
流量、従って乾燥処理を開始する際のノズル内の流速の
変化、液体の粘度および／または固体含有量の変化のよ
うに、散布角に作用を及ぼす動作パラメータが変化した
際、場合によってはノズル部品を交換して散布角を最適
化するため、乾燥処理を何度も中断しなければならない
。When the flow rate and therefore the flow velocity in the nozzle changes when starting the drying process, the viscosity of the liquid and/or the solids content change, the operating parameters that affect the spray angle change, and in some cases the nozzle parts. The drying process has to be interrupted many times in order to replace the dryer and optimize the spreading angle.
それ故に本発明の課題は、部品を交換することなく、ま
たは偏心入口穴を有するノズル室を変えることなく、噴
霧動作中に散布角を調節できる中空円すい噴霧ノズルを
開発することにある。It is therefore an object of the present invention to develop a hollow conical atomizing nozzle whose dispersion angle can be adjusted during the atomizing operation without replacing parts or changing the nozzle chamber with eccentric inlet holes.
この課題は次のような中空円すい噴霧ノズルによって解
決される。ｊなわち回転対称の混合室を内部に形成した
ノズルケーシング、および噴霧スべき液体のため混合室
に口を開いた少なくとも２つの入口穴が設けられており
、これら入口穴のうち少なくとも一方の後に、ノズルの
散布角を形成する導入液体の旋回を生じる装置が配置さ
れており、かつ混合室の端部にノズル開口が設けられて
いる。This problem is solved by a hollow conical atomizing nozzle as follows. j, a nozzle casing with a rotationally symmetrical mixing chamber formed therein, and at least two inlet holes opening into the mixing chamber for the liquid to be atomized; after at least one of these inlet holes; , a device is arranged for producing a swirl of the introduced liquid which forms the dispersion angle of the nozzle, and a nozzle opening is provided at the end of the mixing chamber.
有利な実施形によれば、旋回を生じる装置は、混合室に
偏心して口２開いた入口穴によって形成されている。According to an advantageous embodiment, the device for producing the swirl is formed by an inlet hole opening 2 eccentrically into the mixing chamber.
入口穴のうち１つの後に、旋回を生じる部品を配置して
もよ−・。After one of the inlet holes, a pivoting part may be placed.
中空円すい噴霧ノズルの別の構成にお−・て、少なくと
も１つの入口穴は、ノズル軸線に対して平行または同軸
的に混合室に通じている。その際入口穴は、ノズル軸線
に対して所定の角度をなして混合室に口を開いていても
よい。In another configuration of the hollow conical atomizing nozzle, the at least one inlet hole opens into the mixing chamber parallel or coaxially to the nozzle axis. The inlet hole can then open into the mixing chamber at an angle to the nozzle axis.
中空円すい噴霧ノズルの別の実施形によれば、少なくと
も１つの入口穴は、実質的にノズル軸線に対して半径方
向に混合室に通じている。According to another embodiment of the hollow-conical atomizing nozzle, the at least one inlet hole opens into the mixing chamber substantially radially relative to the nozzle axis.
中空円すい噴霧ノズルの別の実施形によれば、２つの入
口穴は、偏心しかつ入口穴を通って導入すべき液体の流
れの方向において互いに逆向きに混合室に通じている。According to another embodiment of the hollow-conical atomizing nozzle, the two inlet holes open into the mixing chamber eccentrically and oppositely to each other in the direction of the flow of the liquid to be introduced through the inlet holes.
本発明の実施例を以下図面によって説明する。Embodiments of the present invention will be described below with reference to the drawings.
以下ノズルと称する本中空円すい噴霧ノズルの基本構造
は、噴霧すべき液体を２つまたはそれ以上の部分流にし
てノズルケーシングに導入する処置に基いており、それ
により少なくとも１つの部分流にノズルの散布角を形成
する旋回が与えられ、かつその他の部分流は旋回せずに
供給でれろ。ノズルの混合室内において部分流は重畳さ
れるので、ノズル開口から出る液体の流れ全体について
は、部分流の大きざに相当して合成された回転モーメン
トを有しかつ散布円すいの角度を決める旋回が生じる。The basic structure of the present hollow conical atomizing nozzle, hereinafter referred to as nozzle, is based on the procedure of introducing the liquid to be atomized into the nozzle casing in two or more partial streams, so that at least one partial stream is A swirl is provided to form the dispersion angle, and other substreams may be fed in without swirling. Since the partial streams are superimposed in the mixing chamber of the nozzle, the entire liquid stream leaving the nozzle opening has a combined rotational moment corresponding to the size of the partial streams and a swirl that determines the angle of the dispersion cone. arise.
操作可能な弁によって、ノズルに供給スる部分流、従っ
て散布角が調節できる。By means of an operable valve, the partial flow supplied to the nozzle and thus the spray angle can be adjusted.
そのため第１図および第２図に示した実施例によればノ
ズルケーシング１は、旋回室２に偏心して口を開いた入
口穴３、および挿入体４においてノズル軸線５に対して
同軸的に配置された入口穴６を有し、この入口穴６は、
１つまたは複数の供給穴７を介して、ノズル軸線に対し
−Ｃ例えハ４５゜の角度をなして旋回室に口を開いて−
・る。旋回室には回転対称の混合室８が続いており、こ
の混合室において入口穴３と６を介して導入された部分
流が混合されるので、偏心導入された部分流の回転モー
メントは、噴霧すべき液体流全体に分配される。混合室
の出口はノズル開口９に通じている。According to the embodiment shown in FIGS. 1 and 2, the nozzle casing 1 is arranged coaxially with respect to the nozzle axis 5 in the inlet hole 3 opening eccentrically into the swirling chamber 2 and in the insert 4. The inlet hole 6 has a
Via one or more feed holes 7, it opens into the swirling chamber at an angle of 45° to the nozzle axis.
・Ru. The swirling chamber is adjoined by a rotationally symmetrical mixing chamber 8 in which the partial streams introduced via the inlet holes 3 and 6 are mixed, so that the rotational moment of the eccentrically introduced partial streams is distributed throughout the liquid stream. The outlet of the mixing chamber opens into a nozzle opening 9.
偏心配置した入口穴の代りに、旋回室板または旋回を生
じる通路のような旋回を生じる部品を接続しかつノズル
軸線に対して半径方向または平行に旋回室に通じた穴を
設けてもよい。同様に入口穴６の代りに、ノズル軸線５
に対して平行な（第５図ンまたは混合室８に半径方向に
口を開いた（第３図）穴を設けてもよい。Instead of an eccentrically arranged inlet hole, it is also possible to provide a hole which connects a swirling part, such as a swirling chamber plate or a swirling passage, and which opens into the swirling chamber radially or parallel to the nozzle axis. Similarly, instead of the inlet hole 6, the nozzle axis 5
It is also possible to provide holes parallel to the mixing chamber 8 (FIG. 5) or radially open in the mixing chamber 8 (FIG. 3).
入口穴３および６用の図示されていない供給部は微調整
弁を介して通じていてもよいので、穴に供給される部分
流、従ってノズル開口９から出る全液体流の散布角は調
節可能であり、その際ノズルを変えることも、部品を交
換することも必要ない。ざらにそれにより散布角の自動
調整が可能である。The feeds (not shown) for the inlet holes 3 and 6 may communicate via fine adjustment valves, so that the distribution angle of the partial flow fed into the holes and thus of the total liquid flow leaving the nozzle opening 9 can be adjusted. There is no need to change the nozzle or replace any parts. Roughly, this allows automatic adjustment of the spreading angle.
第４図に概略的に示すように、本発明によるノズルの別
の実施例によれば、２つの入口穴は、偏心して、かつ噴
霧すべき液体の導入すべき部分流の流れ方向において互
いに逆向きに旋回室および後続の混合室に通じている。According to another embodiment of the nozzle according to the invention, as shown schematically in FIG. It opens into the swirling chamber and the subsequent mixing chamber.
その際偏心配置の代りに、入口水用の旋回を生じる部品
を設けてもよＸＯ
本発明によるノズルによれば、ノズルを通る総流量が可
変である際、噴霧すべき液体の粘度が変動した際、また
は液体の固体含有量が変動した際、散布角を可調整する
ことができる。それとは逆に流量が一定の際、散布角を
広い範囲に変えろことができる。Instead of an eccentric arrangement, a swirling component for the inlet water may be provided. The dispersion angle can be adjusted when the solids content of the liquid changes or when the solids content of the liquid changes. Conversely, when the flow rate is constant, the spray angle can be varied over a wide range.
第１図は、偏心配置された入口穴と同軸配置された入口
穴とを有する中空円すい噴霧ノズルを示す長手断面図、
第２図は、第１図の１−１線に沿ったノズルの横断面図
、第３図、第４図および第５図は、それぞれノズルケー
シング内部に通じる入口穴の種々の配置を示す略図であ
る。
１°°°ノズルケーシング、２・・・旋回室、３．６・
・・入口穴、８・・・混合室、９・・・ノズル開口特許
出願人 バスフ ァクチェンゲゼルシャフト代理人弁理
士 １） 代 蒸 治Ｆｉ ｇ、 ３
Ｆｉｇ、４FIG. 1 is a longitudinal section showing a hollow conical atomizing nozzle with an eccentrically arranged inlet hole and a coaxially arranged inlet hole;
2 is a cross-sectional view of the nozzle taken along line 1--1 of FIG. 1; FIGS. 3, 4 and 5 are schematic diagrams showing various arrangements of inlet holes leading into the interior of the nozzle casing; FIG. It is. 1°°° nozzle casing, 2... turning chamber, 3.6.
...Inlet hole, 8...Mixing chamber, 9...Nozzle opening Patent applicant Basfachchengesellschaft, attorney-in-chief Patent attorney 1) Steaming treatment Fig, 3 Fig, 4
Claims (7)
ケーシング（１）、および噴霧すべき液体のため混合室
に口を開いた少なくとも２つの入口穴（３，６）が設け
られており、これら入口穴のうち少なくとも一方の後に
、ノズルの散布角を形成する導入液体の旋回を生じる装
置が配置されており、かつ混合室の端部にノズル開口（
９）が設けられていることを特徴とする、中空円すい噴
霧ノズル(1) a nozzle casing (1) with a rotationally symmetrical mixing chamber (8) formed therein and at least two inlet holes (3, 6) opening into the mixing chamber for the liquid to be atomized; After at least one of these inlet holes, a device is arranged which causes a swirl of the introduced liquid forming the dispersion angle of the nozzle, and at the end of the mixing chamber there is a nozzle opening (
9) A hollow conical spray nozzle, characterized in that it is provided with
を開いた入口穴（３）によって形成されている、特許請
求の範囲第１項記載のノズル。2. A nozzle according to claim 1, wherein the device for producing the swirl is formed by an inlet hole (3) opening eccentrically into the mixing chamber (8).
、特許請求の範囲第１項記載のノズル。(3) The nozzle according to claim 1, wherein a part that generates a swirl is arranged after the inlet hole.
５）に対して平行または同軸的に混合室（８ンに通じて
いる、特許請求の範囲第１項記載のノズル０(4) at least one inlet hole (6) is located along the nozzle axis (
5) The nozzle 0 according to claim 1, which communicates with the mixing chamber (8) parallel to or coaxially with respect to
の角度をなして混合室（８）に口を開いている、特許請
求の範囲第４項記載のノズル。(5) A nozzle according to claim 4, wherein the inlet hole (6) opens into the mixing chamber (8) at an angle with respect to the nozzle axis.
（５）に対して半径方向に混合室（８）に通じている、
特許請求の範囲第１項記載のノズル。(6) at least one inlet hole opens into the mixing chamber (8) substantially radially relative to the nozzle axis (5);
A nozzle according to claim 1.
すべき液体の流れの方向において互いに逆向きに混合室
（８）に通じている、特許請求の範囲第１項記載のノズ
ル。(7) A nozzle according to claim 1, wherein the two inlet holes open into the mixing chamber (8) eccentrically and oppositely to each other in the direction of the flow of the liquid to be introduced through the inlet holes. .
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3312301.2 | 1983-04-06 | ||
| DE19833312301 DE3312301A1 (en) | 1983-04-06 | 1983-04-06 | HOLLOW CONE SPRAYING NOZZLE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59213462A true JPS59213462A (en) | 1984-12-03 |
| JPH0448502B2 JPH0448502B2 (en) | 1992-08-06 |
Family
ID=6195545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59063456A Granted JPS59213462A (en) | 1983-04-06 | 1984-04-02 | Hollow conical spray nozzle |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0121877B1 (en) |
| JP (1) | JPS59213462A (en) |
| AT (1) | ATE38339T1 (en) |
| DE (2) | DE3312301A1 (en) |
| DK (1) | DK161947C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5013877A (en) * | 1988-02-08 | 1991-05-07 | Raychem Corporation | Devices for electrical connection |
| DE3819745A1 (en) * | 1988-06-10 | 1989-12-14 | Basf Ag | METHOD FOR THE PRODUCTION OF RIBOFLAVIN PRODUCED ON A MICROBIAL LEAD IN THE FORM OF SPRAY OR MICROGRANULATES |
| DE9318544U1 (en) * | 1993-12-03 | 1994-01-27 | Rubenberger Karl | Vortex chamber atomizer |
| DE19608349A1 (en) * | 1996-03-05 | 1997-09-11 | Abb Research Ltd | Pressure atomizer nozzle |
| GB0426429D0 (en) * | 2004-12-01 | 2005-01-05 | Incro Ltd | Nozzle arrangement and dispenser incorporating nozzle arrangement |
| US9745936B2 (en) | 2012-02-16 | 2017-08-29 | Delavan Inc | Variable angle multi-point injection |
| US11326775B2 (en) | 2013-02-28 | 2022-05-10 | Raytheon Technologies Corporation | Variable swirl fuel nozzle |
| DE102021133674A1 (en) | 2021-12-17 | 2023-06-22 | Technische Universität Dresden | Nozzle with adjustable jet geometry, nozzle arrangement and method for operating a nozzle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49101914A (en) * | 1973-01-31 | 1974-09-26 | ||
| JPS50114652A (en) * | 1974-02-11 | 1975-09-08 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE222120C (en) * | ||||
| US2484577A (en) * | 1945-03-29 | 1949-10-11 | Monarch Mfg Works Inc | Double orifice solid cone spray nozzle |
| CH568781A5 (en) * | 1973-08-17 | 1975-11-14 | Kurylec Michael | Spray nozzle for removing dust from gases esp. smoke - whirl chamber in housing extends into dirt trap |
| US3920187A (en) * | 1974-05-24 | 1975-11-18 | Porta Test Mfg | Spray head |
| DE2542240C3 (en) * | 1975-09-23 | 1981-07-30 | Lechler Gmbh & Co Kg, 7012 Fellbach | Hollow cone nozzle for atomizing liquid |
| DE2733102A1 (en) * | 1977-07-22 | 1979-02-01 | Bayer Ag | METHOD AND DEVICE FOR ATOMIZING LIQUIDS |
-
1983
- 1983-04-06 DE DE19833312301 patent/DE3312301A1/en not_active Withdrawn
-
1984
- 1984-03-30 EP EP84103521A patent/EP0121877B1/en not_active Expired
- 1984-03-30 AT AT84103521T patent/ATE38339T1/en not_active IP Right Cessation
- 1984-03-30 DE DE8484103521T patent/DE3474917D1/en not_active Expired
- 1984-04-02 JP JP59063456A patent/JPS59213462A/en active Granted
- 1984-04-05 DK DK179584A patent/DK161947C/en active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49101914A (en) * | 1973-01-31 | 1974-09-26 | ||
| JPS50114652A (en) * | 1974-02-11 | 1975-09-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| DK161947B (en) | 1991-09-02 |
| DK179584A (en) | 1984-10-07 |
| DE3312301A1 (en) | 1984-10-11 |
| ATE38339T1 (en) | 1988-11-15 |
| JPH0448502B2 (en) | 1992-08-06 |
| EP0121877A2 (en) | 1984-10-17 |
| EP0121877A3 (en) | 1985-11-13 |
| DE3474917D1 (en) | 1988-12-08 |
| DK179584D0 (en) | 1984-04-05 |
| EP0121877B1 (en) | 1988-11-02 |
| DK161947C (en) | 1992-02-03 |
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