EP0874205B1 - Vorrichtung zur Behandlung von Materialbahnen - Google Patents
Vorrichtung zur Behandlung von Materialbahnen Download PDFInfo
- Publication number
- EP0874205B1 EP0874205B1 EP98107416A EP98107416A EP0874205B1 EP 0874205 B1 EP0874205 B1 EP 0874205B1 EP 98107416 A EP98107416 A EP 98107416A EP 98107416 A EP98107416 A EP 98107416A EP 0874205 B1 EP0874205 B1 EP 0874205B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- return
- nozzle box
- box
- nozzle
- 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
- 239000000463 material Substances 0.000 claims description 39
- 238000001035 drying Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims 1
- 210000000779 thoracic wall Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/101—Supporting materials without tension, e.g. on or between foraminous belts
- F26B13/104—Supporting materials without tension, e.g. on or between foraminous belts supported by fluid jets only; Fluid blowing arrangements for flotation dryers, e.g. coanda nozzles
Definitions
- the invention relates to a device for treating thin webs of material, in particular made of paper, foil according to the characteristics of the preamble of the Claim 1.
- Such a dryer for the treatment of material webs is DE 40 09 313 A1 as known.
- the arranged above and below the material web Groups of slot nozzles are supplied with air via distribution channels.
- a distribution channel connects to the ends of a group of slot nozzles.
- the air will accordingly supplied in the longitudinal direction of the slot nozzles. It necessarily results from this Air supply irregularities.
- To discharge the return air serve suction channels that are positioned laterally below and above the slot nozzles are. The down between the spaced apart slot nozzles and return air flowing at the top is taken up and discharged through the suction channels. The effect of these suction channels results in an oblique, disordered Return air flow.
- this known Device is the gaseous medium via nozzle boxes, each above and are arranged below the material to be treated, fed to it.
- the nozzle boxes have holes arranged in rows on the one hand and on the other hand elongated openings for the passage of the gaseous medium.
- the nozzle boxes are provided with backflow channels that form part of the treatment medium lead into an upper outlet chamber or into a lower outlet chamber.
- the treatment medium is made from the area above and below the sheet or the web and laterally derived from the outlet chambers. It deals is therefore a through-air dryer with disorderly guidance of the air or gas flows.
- the invention has for its object a device of the type mentioned to further develop and improve that very precise airflow Guaranteed in the area of the material web and especially sideways air flows be avoided.
- the device according to the invention is characterized by the features of the characterizing part of claim 1:
- the invention is based on the finding that a uniform flow in the area the material web can be achieved if the air reflected from the material web, ie the return air, directly in the area of the slot nozzles via return flow channels downwards or discharged above into one separated from the area of the material web Room, namely in a lower and upper collecting room for the return air. From here the air is discharged in closed ducts.
- the device for treating thin material webs 10 exists from at least one treatment chamber or drying chamber 11. It is a chamber housing on all sides 12 surrounding large volume room where the treatment, in particular drying, the material web 10 takes place.
- the material web 10 is preferably continuously through the Drying chamber 11 passed through. In the area of an upright End wall 13 enters the web of material through an entry slot 14 in the drying chamber 11. On the opposite The material web 10 enters in the area of one of the end walls 13 opposite end wall 15 in the region of an outlet slot 16 from the drying chamber 11.
- nozzle unit For this purpose there is 10 above and below the material web one nozzle unit each. This consists of one upper nozzle box 17 and a lower nozzle box 18.
- the treatment medium is guided through nozzle boxes 17 and 18, namely Supply air.
- a prevailing inside the nozzle boxes 17, 18 Overpressure so that the air goes down or up through nozzles emerges from the nozzle boxes 17, 18 and thereby as an air jet is directed against the material web 10.
- the material web 10 extending slot nozzles 19.
- Each of these Slot nozzles 19 extend across the full width of the web 10 or the nozzle box 17.
- the slot nozzles 19 are arranged at short distances from one another, for example with a center distance of 70 mm to 80 mm.
- these can be used as one-piece nozzles can be formed, which extend over the full Extend the width of the material web 10 or the nozzle box 17. But it can also be individual, contiguous Act nozzle sections.
- the slot nozzles 19 are in a lower recess Box wall 20 connected to the inside of the nozzle box 17.
- the recesses are oval elongated holes 21 which extend in the longitudinal direction of the slot nozzles 19 spaced apart in parallel rows are. At these elongated holes 21 or at a number of such Elongated holes 21 connect the slot nozzles 19 so that these are supplied with supply air via the elongated holes 21.
- the lower nozzle box 18 is designed analogously.
- box wall 22 facing material web 10 are also arranged parallel rows of recesses, namely from oval elongated holes 23.
- slot nozzles 24 of the lower one Nozzle box 18 connected, such that this lower Slot nozzles 24 are directed upwards and an air jet point against the underside of the material web 10.
- the slot nozzles 19 of the upper nozzle box 17 are opposite the slot nozzles 24 of the lower nozzle box 18 in the direction of movement the material web is arranged offset from one another.
- the Slot nozzles 19 on the one hand and 24 on the other hand are accordingly positioned "on gap" to each other. This results in a optimal guidance and support of the material web 10.
- the reflected or reflected in the area of the material web 10 return air i.e. return air
- return air i.e. return air
- the return flow channels 25, 26 are over the entire nozzle box 17, 18 distributed, in the present case in regular Distribution. In the spaces between the slot nozzles 19th or 24, a row of backflow channels 25, 26 is arranged. The return flow channels 25, 26 are in the longitudinal and transverse directions arranged in aligned rows. The cross sections are selected so that the resulting return air reliably the return flow channels 25, 26 can be discharged.
- a special feature of the device is the separate one Management of the treatment and supply air on the one hand and the return air on the other hand, see FIG. 3.
- the supply air is on the one hand closed air supply ducts 30, 31 fed to the upper nozzle box 17.
- the supply air ducts 30, 31 are opposite end regions of a flow channel 29 assigned and directed downwards.
- the supply air ducts 30, 31 enter the upper nozzle box 17 from above, namely in the area of an upper box wall 27. Within the upper nozzle box 17 creates an excess pressure of supply air.
- supply air is also supplied to the lower nozzle box 18, namely also via closed channels. It deals are supply air ducts 32, 33 which are offset to the supply air ducts 30, 31 are arranged.
- the supply air channels 32, 33 for the lower nozzle boxes 18 are also connected to the flow channel 29 connected and passed the upper nozzle box 17. An excess pressure of supply air also arises in the lower nozzle box 18.
- the return of the material web is of particular importance reflected air, i.e. the return air. It is coming on this in the area of the nozzle boxes 17, 18 or the material web 10 knits to separate from the treatment or supply air.
- the return air passes through in the area of the upper nozzle box 17 the return flow channels 25 directly in the above the nozzle box 17 formed collection room 34.
- the in the area of the lower Nozzle box 18 resulting return air is via the return flow channels 26 conveyed down into a return air space 35 below of the lower nozzle box 18.
- This return air space becomes the Return air is removed in a targeted manner, via return manholes 36, 37. These are open to the lower return air space 35.
- the Return air is through the backflow shafts 36, 37 to the side the lower nozzle box 18 and next to the upper nozzle box 17 promoted upwards. There the backflow shafts open into the Collection room 34.
- the return air is returned to the supply air ducts from the collecting space 34 30, 31, 32, 33 fed.
- the supply air therefore moves in two closed and connected via the collecting space 34 Circuits.
- An air exchange with fresh air can take place that in the area of the flow channel 29 (or the collecting space 34) fresh air is supplied via a duct 38 and via a return air duct 39 (an equal amount) of return air is removed.
- the air can be passed through air heaters 40, which are arranged in the collecting space 34 or in the flow channel 29 are.
- the air heaters can also be installed in the supply air ducts 30, 31, 32, 33 may be arranged.
- the circulation of the air arises from pressure differences in the supply air ducts 30, 31, 32, 33 and the collecting space 34.
- the Pressure difference is generated by fan 41, whose suction area is connected to the collecting space 34 and in this one Negative pressure generated.
- the fans 41 convey the gaseous medium from the collecting space 34 into the flow channel 29 and generate in this one overpressure.
- the overpressure in the flow channel is 29 and in the feed channels 30, 31, 32, 33 120mm, the negative pressure in the collecting space 34 is approximately (-) 30mm.
- the arrangement of the supply air ducts 30, 31, 32, 33 and the backflow shafts 36, 37 can be done in different ways.
- Cross section of the drying chamber are the supply air ducts 30, 31, 32, 33 arranged in two rows to the side of the material web 10, with at least one supply air duct 30, 32 on the right Side and at least one supply air duct 31, 33 on the left Page.
- the upper supply air ducts 30, 31 open out as described in the upper nozzle box.
- the lower supply air ducts 32, 33 are passed through or on the upper nozzle box passed and flow into the lower nozzle box.
- At least a backflow shaft 36 is shown in Fig. 3 on the right Side led past the nozzle boxes and opens into the collecting space 34.
- the backflow shaft 37 is correspondingly open the left side past the nozzle boxes 17, 18, and likewise opens into the collecting space 34.
- alternative embodiment can be a particularly compact Construction of the drying chamber 11 can be achieved.
- the supply air channels 32, 33 to the lower nozzle box 18 are on the side arranged next to the upper nozzle box 17.
- On each other opposite longitudinal sides of the nozzle box 18 adjacent to the corners are each rectangular in cross section Supply air duct 32 or 33 arranged.
- the supply air therefore occurs at an angle to the conveying direction of the material web from the sides in the nozzle box 18.
- the supply air of the supply air ducts 32, 33 is (diagonally) opposite to the conveying direction of the material web.
- the four in the present case are rectangular in cross section Backflow shafts 36, 37 are also to the side of the Nozzle boxes 17 and 18 arranged.
- At the lower nozzle box 18 are the backflow shafts 36, 37 between the at the Supply air ducts 32, 33 arranged in corners in a through them formed depression.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Description
- Fig. 1
- eine Behandlungs- bzw. Trockenkammer in schematischem Längsschnitt,
- Fig. 2
- eine (obere) Düsenkammer in Unteransicht,
- Fig. 3
- eine Behandlungs- bzw. Trockenkammer in schematischem Querschnitt,
- Fig. 4
- einen Teil der Trockenkammer bei Schnittführung quer zur Förderrichtung der Materialbahn und vergrößertem Maßstab, und
- Fig. 5
- den (oberen) Düsenkasten in Draufsicht.
- 10
- Materialbahn
- 11
- Trockenkammer
- 12
- Kammergehäuse
- 13
- Stirnwand
- 14
- Eintrittsschlitz
- 15
- Endwand
- 16
- Austrittsschlitz
- 17
- Düsenkasten, oben
- 18
- Düsenkasten, unten
- 19
- Schlitzdüse
- 20
- Kastenwand
- 21
- Langloch
- 22
- Kastenwand
- 23
- Langloch
- 24
- Schlitzdüse
- 25
- Rückströmkanal
- 26
- Rückströmkanal
- 27
- Kastenwand (oben)
- 28
- Kastenwand (unten)
- 29
- Strömungskanal
- 30
- Zuluftkanal
- 31
- Zuluftkanal
- 32
- Zuluftkanal
- 33
- Zuluftkanal
- 34
- Sammelraum
- 35
- Rückluftraum
- 36
- Rückströmschacht
- 37
- Rückströmschacht
- 38
- Schacht
- 39
- Rückluftschacht
- 40
- Lufterhitzer
- 41
- Lüfter
Claims (7)
- Vorrichtung zum Behandeln von dünnen Materialbahnen (10), insbesondere aus Papier, Folie, mit Luft, mit einer Trockenkammer (11), durch die die Materialbahn (10) vorzugsweise kontinuierlich hindurchgefördert wird, wobei in der Trockenkammer (11) die Luft - Zuluft - von oben und von unten mittels quergerichteter Schlitzdüsen (19, 24) auf die Materialbahn (10) gerichtet zuführbar ist; und von der Materialbahn (10) zurückströmende Luft - Rückluft - aus einem Bereich unterhalb und oberhalb der Schlitzdüsen (19, 24) zu einem Lüfter (41) in einem oberen Sammelraum (34) zuführbar ist, die Zuluft über Zuluftkanäle (30, 31) in einen oberen Düsenkasten (17) und durch Zuluftkanäle (32, 33) in einen unteren Düsenkasten (18) einleitbar ist, Rückströmkanäle (25, 26) des oberen Düsenkastens (17) oberhalb desselben unmittelbar in den Sammelraum (34) münden und Rückströmkanäle (26) des unteren Düsenkastens (18) in einen Rückluftraum (35) unterhalb des Düsenkastens (18) münden,
aus dem Rückluftraum (35) die Rückluft durch Rückströmschächte (36, 37), die in den oberen Sammelraum (34) münden abförderbar ist, und
die Zuluftkanäle (30, 31) für den oberen Düsenkasten (17) und die Zuluftkanäle (32, 33) für den unteren Düsenkasten (18) an einen Strömungskanal (29) angeschlossen sind, der oberhalb des Sammelraums (34) für die Rückluft gebildet und mit dem Lüfter (41) verbunden ist gekennzeichnet durch folgende Merkmale:a) mehrere Schlitzdüsen (19, 24) sind jeweils an dem einen gemeinsamen oberen Düsenkasten (17) und an dem einen gemeinsamen unteren Düsenkasten (18) andererseits angebracht,b) die Schlitzdüsen (19, 24) sind an einer unteren Kastenwand (20) des oberen Düsenkastens (17) einerseits und an einer oberen Kastenwand (22) des unteren Düsenkastens (18) andererseits angeordnet,c) jede Schlitzdüse (19, 24) ist Ober mehrere in Längsrichtung der Schlitzdüse (19, 24) aufeinander folgende Öffnungen, insbesondere Langlöcher (21, 23), in der jeweiligen Kastenwand (20, 22) mit dem Inneren des Düsenkastens (17, 18) verbunden,d) der Sammel-(34) sowie der Rückluftraum (35) sind jeweils als geschlossene Räume ausgeführt,e) die von der Materialbahn (10) zurückströmende Luft - Rückluft - ist über die in den Düsenkästen (17, 18) angeordneten, durch diese hindurchtretenden Rückströmkanäle (25, 26) in Gestalt von Rohrstücken ableitbar, - Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass mehrere, insbesondere vier Rückströmschächte (36, 37) seitlich neben den beiden Düsenkästen (17, 18) vom unteren Rückluftraum (35) in den oberen Sammelraum (34) führen, wobei vorzugsweise an jeder Seite der Düsenkästen (17, 18) zwei Rückströmschächte (36, 37) im mittleren Bereich angeordnet sind.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Zuluft aus einem Bereich außerhalb des oberen Sammelraums (34), insbesondere oberhalb desselben, über vorzugsweise mehrere an jeden Düsenkasten (17, 18) anschließende Zuluftkanäle (30, 31 bzw. 32, 33) den Düsenkästen (17, 18) zuführbar ist.
- Vorrichtung nach Anspruch 1 oder einem der weiteren Ansprüche, dadurch gekennzeichnet, dass zum oberen Düsenkasten (17) mehrere Zuluftkanäle (30, 31) führen und im Bereich einer oberen Kastenwand (27) in den Düsenkasten münden, vorzugsweise fünf Zuluftkanäle (30, 31) je an einander gegenüberliegenden Endbereichen des langgestreckten Düsenkastens (17).
- Vorrichtung nach Anspruch 1 oder einem der weiteren Ansprüche, dadurch gekennzeichnet, dass Zuluftkanäle (32, 33) für die Versorgung des unteren Düsenkastens (18) seitlich an dem oberen Düsenkasten (17) vorbei laufen und seitlich, vorzugsweise im Bereich von Ecken des unteren Düsenkastens (18), in diesen münden.
- Vorrichtung nach Anspruch 1 oder einem der weiteren Ansprüche, dadurch gekennzeichnet, dass die im oberen Sammelraum (34) zusammengeführte Rückluft teilweise über einen Rückluftschacht (39) nach außen aus der Trockenkammer (11) heraus abführbar und teilweise in den Behandlungsprozess zurückführbar ist, vorzugsweise durch Einleiten in den Strömungskanal (29), wobei die aufgenommene Rückluft mit von außen zugeführter frischer Luft vermischt und über Behandlungsaggregate, insbesondere Lufterhitzer (40), leitbar ist.
- Vorrichtung nach Anspruch 1 oder einem der weiteren Ansprüche, dadurch gekennzeichnet, dass die zwischen den Schlitzdüsen (19, 24) angeordneten Rückströmkanäle (25, 26) einen rechteckigen Querschnitt aufweisen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19717187A DE19717187A1 (de) | 1997-04-24 | 1997-04-24 | Vorrichtung zur Behandlung, insbesondere Trocknung von Materialbahnen |
| DE19717187 | 1997-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0874205A1 EP0874205A1 (de) | 1998-10-28 |
| EP0874205B1 true EP0874205B1 (de) | 2004-06-16 |
Family
ID=7827522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98107416A Expired - Lifetime EP0874205B1 (de) | 1997-04-24 | 1998-04-23 | Vorrichtung zur Behandlung von Materialbahnen |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6006446A (de) |
| EP (1) | EP0874205B1 (de) |
| DE (2) | DE19717187A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012010407U1 (de) | 2012-11-01 | 2012-11-29 | Pagendarm Btt Gmbh | Vorrichtung zur Führung von Behandlungsgasen |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI106136B (fi) * | 1999-06-30 | 2000-11-30 | Valmet Corp | Leijukuivaimen suutinjärjestelmä ja menetelmä kuiturainan kuivattamiseksi |
| US6108941A (en) * | 1999-07-22 | 2000-08-29 | Aeroglide Corporation | Conveyor dryer with stationary conveyor support structure |
| US6651357B2 (en) | 2001-01-12 | 2003-11-25 | Megtec Systems, Inc. | Web dryer with fully integrated regenerative heat source and control thereof |
| JP2002287317A (ja) * | 2001-03-28 | 2002-10-03 | Fuji Photo Film Co Ltd | 乾燥装置 |
| US6497121B1 (en) | 2001-07-16 | 2002-12-24 | Eugene J. Walsh | Air-circulation enhancer for use with a clothes washing machine |
| DE10238765A1 (de) * | 2002-08-23 | 2004-03-04 | Voith Paper Patent Gmbh | Anordnung zum berührungslosen Führen oder/und Umlenken oder/und Behandeln einer laufenden Materialbahn, insbesondere aus Papier oder Karton, und Einbaumodul zum Aufbau einer derartigen Anordnung |
| JP5728554B2 (ja) * | 2013-10-18 | 2015-06-03 | ユニ・チャーム株式会社 | 不織布の嵩回復装置、及び、不織布の嵩回復方法 |
| JP5728556B2 (ja) * | 2013-10-18 | 2015-06-03 | ユニ・チャーム株式会社 | 不織布の嵩回復装置 |
| JP7242066B2 (ja) * | 2020-07-21 | 2023-03-20 | トーキョーメンキ株式会社 | ノンフライ麺製造用乾燥装置 |
| DE102021114654A1 (de) | 2021-06-08 | 2022-04-14 | Heidelberger Druckmaschinen Ag | Trockner zur Trocknung von Bogen mittels Warmluft in einer Druckmaschine |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE280762C (de) * | ||||
| FR729252A (fr) * | 1931-01-15 | 1932-07-21 | Perfectionnements relatifs au traitement de tissus et analogues en matières diverses | |
| DE970045C (de) * | 1949-01-21 | 1958-08-14 | Svenska Flaektfabriken Ab | Vorrichtung zum Trocknen von bahnfoermigem Material |
| US3012335A (en) * | 1957-11-16 | 1961-12-12 | Svenska Flaektfabriken Ab | Treating web-like material by a gaseous medium |
| FR1398809A (fr) * | 1964-03-17 | 1965-05-14 | Ameliorair Sa | Séchoir pour produit en feuille soutenu par de l'air |
| US3324570A (en) * | 1965-02-25 | 1967-06-13 | Proctor And Schwartz Inc | Float dryer |
| SE342273B (de) * | 1965-09-23 | 1972-01-31 | Svenska Flaektfabriken Ab | |
| DE2056889A1 (de) * | 1970-11-19 | 1972-05-25 | Artos Dr.-Ing. Meier-Windhorst Kg, 2000 Hamburg | Behandlungsvorrichtung, insbesondere für die Wärmebehandlung von bahnförmigen Materialien |
| IT951025B (it) * | 1971-04-28 | 1973-06-30 | Monforts Fa A | Impianto per la guida ed il traspor to allo stato flottante di materia le a nastro esteso in larghezza |
| US4170075A (en) * | 1978-03-03 | 1979-10-09 | Proctor & Schwartz, Inc. | Nozzle for web processing apparatus |
| US4295284A (en) * | 1979-07-05 | 1981-10-20 | Marshall And Williams Company | Dryer range |
| US4341024A (en) * | 1980-07-14 | 1982-07-27 | Witkin Philip M | Tube dryer assembly |
| DE3329930A1 (de) * | 1983-08-19 | 1985-02-28 | Babcock Textilmaschinen GmbH, 2105 Seevetal | Waermebehandlungsvorrichtung, insbes. fuer textilbahnen oder dergl. |
| DE3517541A1 (de) * | 1985-05-15 | 1986-11-20 | Gerhard 4972 Löhne Bartling | Duesentrockner fuer platten o.dgl. |
| DE3715533C2 (de) * | 1987-05-09 | 1997-07-17 | Krieger Gmbh & Co Kg | Vorrichtung zum Schwebendführen von Materialbahnen |
| US4833794A (en) * | 1988-08-10 | 1989-05-30 | Advance Systems, Inc. | Dryer apparatus for floating a running web and having baffle means for spent return air |
| NO890790L (no) * | 1989-02-24 | 1990-08-27 | Severin Severinsen | Fremgangsmaate ved fiksering av en bane, og fikseringsanlegg for fiksering av baner. |
| DE4009313C2 (de) * | 1990-03-23 | 1999-01-07 | Dornier Gmbh Lindauer | Belüftungssystem zum Wärmebehandeln von flachen Materialbahnen |
| US5229364A (en) * | 1991-03-15 | 1993-07-20 | Francesca Chiodi | Polypeptides derived from the human immunodeficiency virus endonuclease protein |
| FI96125C (fi) * | 1991-09-05 | 1996-05-10 | Valmet Paper Machinery Inc | Rainojen käsittelyyn tarkoitettu alipainesuutinjärjestely ja menetelmä rainojen käsittelyyn tarkoitetussa alipainesuutinjärjestelyssä |
-
1997
- 1997-04-24 DE DE19717187A patent/DE19717187A1/de not_active Withdrawn
-
1998
- 1998-04-22 US US09/064,927 patent/US6006446A/en not_active Expired - Lifetime
- 1998-04-23 DE DE59811559T patent/DE59811559D1/de not_active Expired - Lifetime
- 1998-04-23 EP EP98107416A patent/EP0874205B1/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012010407U1 (de) | 2012-11-01 | 2012-11-29 | Pagendarm Btt Gmbh | Vorrichtung zur Führung von Behandlungsgasen |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0874205A1 (de) | 1998-10-28 |
| US6006446A (en) | 1999-12-28 |
| DE19717187A1 (de) | 1998-10-29 |
| DE59811559D1 (de) | 2004-07-22 |
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