EP0937806B1 - Device for continuously passing a treating gas through a textile material or the like - Google Patents
Device for continuously passing a treating gas through a textile material or the like Download PDFInfo
- Publication number
- EP0937806B1 EP0937806B1 EP99103271A EP99103271A EP0937806B1 EP 0937806 B1 EP0937806 B1 EP 0937806B1 EP 99103271 A EP99103271 A EP 99103271A EP 99103271 A EP99103271 A EP 99103271A EP 0937806 B1 EP0937806 B1 EP 0937806B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet metal
- metal strips
- clamping
- drum
- base
- 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
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
- F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
- F26B13/16—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning perforated in combination with hot air blowing or suction devices, e.g. sieve drum dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/02—Rollers
- D06B23/025—Perforated rollers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/18—Drying webs by hot air
- D21F5/182—Drying webs by hot air through perforated cylinders
Definitions
- the invention relates to a device for flowing, continuous Treatment of web-like textile goods, nonwovens or paper with a gaseous one in the device circulated treatment agent, with a suction standing, permeable drum with bottoms on the front as a transport element, which is covered on its circumference with a sieve-shaped or perforated covering is, between the bottoms of the drum with the floors firmly connected sheet metal strips extend from floor to floor, the width of which extends in radial Direction extends.
- a device of this type is known from DE-A-38 21 330 (preamble of claim 1). It has the advantage that it is optimally permeable to air without reducing the stability of the drum is. Another advantage is the screw construction realized on this device. Without having to resort to the previously known welded construction, In this way, all drum jacket elements are connected to the screwed bar connections through the connecting webs running in the circumferential direction the sheet metal strip extending longitudinally over the drum all over the drum firmly connected. The disadvantageous structural changes in the metal in the Manufacturing of otherwise necessary weld seams are with this screw construction avoided.
- the connection of the metal strips with the bottoms of the Drum i.e. once with a bottom and once with the nozzle star through which the Fan sets the interior of the drum under suction when in use exposed to greater thermal loads in practice.
- the floors have a larger one Heat capacity than the metal strips. If when a cold good comes in the heated drum housing shocked the metal strips when they came into contact with the goods cool down, this initially does not apply to the floors, so that there are greater tensions in the material that lead to cracks or dents on the drum. This is regardless of the drum construction, i.e. whether it is welded or screwed.
- the invention has for its object a connection between the metal strips and the adjacent floor of the drum to create the advantage of combines the two types of fastening mentioned, but avoids their disadvantages.
- the invention provides for solving the problem that the ends of the metal strips over their entire radially aligned height is fixed, but detachable by means of a full-surface Clamp connection with the assigned floors are connected and clamped.
- a conceivable one constructive solution is given when the floor is in the radial height of the arrangement the sheet metal strip has a radially aligned clamping groove for two sheet metal strips has whose opening cross-section the distance between the two neighboring Metal strip corresponds.
- a screen drum device basically consists of an approximately rectangular housing 1, through an intermediate wall 2 into a treatment room 3 and Fan room 4 is divided.
- the screening drum 5 is concentric a fan 6 rotatably mounted in the fan chamber 4.
- the fan compartment can also be in one of the screen drum housing 1 separate, not shown, arranged separate fan housing his. In any case, the fan draws the inside of the drum 5. Is too the drum construction on a wet treatment device, which is also only for suction of liquid can serve, subject of the patent. The overall construction must then be adjusted accordingly.
- heating units 7 above and below the fan 6 which consist of pipes through which heating medium flows.
- the sieve drum is in the area not covered by the textile material 10 on the inside of a not shown Inner cover covered against the induced draft.
- the carrying the textile 10 Sheath structure of the screen drum is due to the sheet metal strip structure described below educated. This is wrapped around the outside by a fine-mesh sieve 9, that with the front of the drum on the bottom 12 and on the bottom 11 the nozzle star 11 'is kept taut.
- the sheet metal strip structure consists of axially aligned sheet metal strips 13, the radial of which aligned height emerges from Figures 3-5. So that's it Sieve-shaped covering 9 according to FIG. 1 only on the radially outer edges of the Sheet metal strip 13.
- the metal strips 13 are side by side according to FIG. 2 with a defined distance attached to the two floors 11, 12. The distance is determined by the length of the between all sheet metal strips 13 to be arranged connecting webs 14 determined by the ultimately screws 15, 16 are pushed through for all-round fastening.
- For axial Fastening the sheet metal strips 13 to the bottoms 11, 12 serves a clamping construction, which holds the metal strips 13 over their entire radial height.
- the clamp construction is introduced in a separate centering ring 17, which in turn via screws 18th is connected to the respective floor 11, 12.
- the attachment of the centering ring 17th on the assigned floor 11, 12 by means of the screws 18 takes place alternately Fastening the metal strips 13 to the centering ring 17 by means of the screws 23, 24, see FIGS. 2 and 3.
Description
Die Erfindung bezieht sich auf eine Vorrichtung zum durchströmenden, kontinuierlichen Behandeln von bahnförmigem Textilgut, Vliesen oder Papier mit einem gasförmigen in der Vorrichtung umgewälzten Behandlungsmittel, mit einer unter Saugzug stehenden, stirnseitig Böden aufweisenden durchlässigen Trommel als Transportelement, welche an ihrem Umfang mit einem siebförmigen oder gelochten Belag bedeckt ist, wobei zwischen den Böden der Trommel mit den Böden fest verbundene Blechstreifen sich von Boden zu Boden erstrecken, deren Breitenausdehnung sich in radialer Richtung erstreckt.The invention relates to a device for flowing, continuous Treatment of web-like textile goods, nonwovens or paper with a gaseous one in the device circulated treatment agent, with a suction standing, permeable drum with bottoms on the front as a transport element, which is covered on its circumference with a sieve-shaped or perforated covering is, between the bottoms of the drum with the floors firmly connected sheet metal strips extend from floor to floor, the width of which extends in radial Direction extends.
Eine Vorrichtung dieser Art ist durch die DE-A-38 21 330 (Oberbegriff des Anspruches 1) bekannt. Sie hat den Vorteil, daß sie optimal luftdurchlässig ist, ohne daß dadurch die Stabilität der Trommel vermindert ist. Ein weiterer Vorteil ist die an dieser Vorrichtung verwirklichte Schraubkonstruktion. Ohne auf die vorbekannte Schweißkonstruktion zurückgreifen zu müssen, sind auf diese Weise alle Trommelmantelelemente über die geschraubten Stegverbindungen durch die in Umfangsrichtung verlaufenden Verbindungsstege hindurch mit den längs über die Trommel sich erstreckenden Blechstreifen rund über die Trommel fest miteinander verbunden. Die so nachteiligen Gefügeverwandlungen im Metall beim Herstellen von ansonsten notwendigen Schweißnähten sind bei dieser Schraubkonstruktion vermieden.A device of this type is known from DE-A-38 21 330 (preamble of claim 1). It has the advantage that it is optimally permeable to air without reducing the stability of the drum is. Another advantage is the screw construction realized on this device. Without having to resort to the previously known welded construction, In this way, all drum jacket elements are connected to the screwed bar connections through the connecting webs running in the circumferential direction the sheet metal strip extending longitudinally over the drum all over the drum firmly connected. The disadvantageous structural changes in the metal in the Manufacturing of otherwise necessary weld seams are with this screw construction avoided.
Gleichgültig ob nun die Trommelmantelkonstruktion geschweißt oder mit den Schraubverbindungen hergestellt ist, die Verbindung der Blechstreifen mit den Böden der Trommel, also einmal mit einem Boden und einmal mit dem Düsenstem, durch den der Ventilator den Innenraum der Trommel unter Saugzug setzt, ist bei der Benutzung in der Praxis stärkeren thermischen Belastungen ausgesetzt. Die Böden haben eine größere Wärmekapazität als die Blechstreifen. Wenn beim Einlauf eines kalten Gutes in das aufgeheizte Trommelgehäuse die Blechstreifen beim Kontakt mit dem Gut schockartig abkühlen, so gilt dies zunächst nicht für die Böden, so daß es größere Spannungen im Material gibt, die zu Rissen oder Verbeulungen an der Trommel führen. Dies ist unabhängig von der Trommelkonstruktion, also ob sie geschweißt oder geschraubt ist.Regardless of whether the drum shell construction is welded or with the screw connections is made, the connection of the metal strips with the bottoms of the Drum, i.e. once with a bottom and once with the nozzle star through which the Fan sets the interior of the drum under suction when in use exposed to greater thermal loads in practice. The floors have a larger one Heat capacity than the metal strips. If when a cold good comes in the heated drum housing shocked the metal strips when they came into contact with the goods cool down, this initially does not apply to the floors, so that there are greater tensions in the material that lead to cracks or dents on the drum. This is regardless of the drum construction, i.e. whether it is welded or screwed.
Die unterschiedlichen Wärmeausdehnungserscheinungen kann man in den Griff bekommen durch richtige Wahl von unterschiedlichen Materialien für einerseits die Trommelböden und für andererseits die einzelnen Elemente der luftdurchlässigen Trommelkonstruktion. Wesentlich ist aber die stabile Befestigung der Blechstreifen mit den Trommelböden. Diese kann mittels Schweißnähten erfolgen, die jedoch bei der Herstellung zu Wärmespannungen im Material führen. Besser ist da die aus der DE-A-38 21 330 bekannte Schraubkonstruktion, jedoch ist diese notgedrungen auf die Dimension der Schraube beschränkt, es kommt zu hohen lokalen Belastungen z. B. der Kanten der Schraublöcher, so daß die Schraubkonstruktion auch nicht die einwandfreie Lösung sein kann.The different phenomena of thermal expansion can be dealt with through the right choice of different materials for the one hand Drum bottoms and for the other the individual elements of the air-permeable Drum construction. However, the stable fastening of the metal strips is essential the drum bottoms. This can be done by means of welds, which, however, at Manufacturing lead to thermal stresses in the material. Better is that from DE-A-38 21 330 known screw construction, but this is inevitable on the Dimension of the screw is limited, there are high local loads such. B. the edges of the screw holes, so that the screw construction is not the flawless solution can be.
Der Erfindung liegt die Aufgabe zugrunde, eine Verbindung zwischen den Blechstreifen und dem jeweils benachbarten Boden der Trommel zu schaffen, die den Vorteil der beiden genannten Befestigungsarten vereint, jedoch deren Nachteile vermeidet.The invention has for its object a connection between the metal strips and the adjacent floor of the drum to create the advantage of combines the two types of fastening mentioned, but avoids their disadvantages.
Ausgehend von der Trommelkonstruktion mit den Blechstreifen anfangs genannter Art sieht die Erfindung zur Lösung der gestellten Aufgabe vor, daß die Enden der Blechstreifen über ihre gesamte radial ausgerichtete Höhe fest, jedoch lösbar mittels einer vollflächigen Klemmverbindung mit den zugeordneten Böden verbunden und eingeklemmt sind. Eine denkbare konstruktive Lösung ist gegeben, wenn der Boden In der radialen Höhe der Anordnung der Blechstreifen für je zwei Blechstreifen eine radial ausgerichtete Klemmnut aufweist, deren Öffnungsquerschnitt dem Abstand der zwei benachbarten Blechstreifen entspricht.Starting from the drum construction with the sheet metal strips initially mentioned The invention provides for solving the problem that the ends of the metal strips over their entire radially aligned height is fixed, but detachable by means of a full-surface Clamp connection with the assigned floors are connected and clamped. A conceivable one constructive solution is given when the floor is in the radial height of the arrangement the sheet metal strip has a radially aligned clamping groove for two sheet metal strips has whose opening cross-section the distance between the two neighboring Metal strip corresponds.
Eine Vorrichtung der erfindungsgemäßen Art ist in der Zeichnung beispielhaft dargestellt. Anhand dieser sollen noch weitere konstruktive Details beschrieben werden. Es zeigen:
- Fig. 1
- einen Schnitt längs durch eine übliche Siebtrommelvorrichtung, deren Blechmantel hier aus einer streifenförmigen Blechmantelstruktur mit außen aufgelegtem Siebgewebe besteht,
- Fig. 2
- das Detail III der Fig. 1 in einer Draufsicht auf die Siebtrommelkonstruktion im Bereich eines stirnseitigen Trommelbodens,
- Fig. 3
- die Befestigung der Blechstreifen an dem Trommelboden in der Sicht entlang des Schnittes III - III in der Fig. 2,
- Fig. 4
- einen Schnitt durch die Befestigung am Trommelboden entlang der Linie IV - IV in der Fig. 3 und
- Fig. 5
- einen Schnitt durch die Befestigung am Trommelboden entlang der Linie V - V in der Fig. 3.
- Fig. 1
- 2 shows a section along a conventional screen drum device, the sheet metal jacket of which consists here of a strip-shaped sheet metal jacket structure with screen fabric placed on the outside,
- Fig. 2
- the detail III of FIG. 1 in a plan view of the screen drum construction in the region of an end drum bottom,
- Fig. 3
- the attachment of the sheet metal strips to the drum bottom in the view along the section III - III in Fig. 2,
- Fig. 4
- a section through the attachment to the drum base along the line IV - IV in Fig. 3 and
- Fig. 5
- 3 shows a section through the attachment to the drum base along the line V - V in FIG. 3.
Eine Siebtrommelvorrichtung besteht grundsätzlich aus einem etwa rechteckigen Gehäuse
1, das durch eine Zwischenwand 2 in einen Behandlungsraum 3 und einen
Ventilatorraum 4 unterteilt ist. Im Behandlungsraum 3 ist die Siebtrommel 5 und konzentrisch
zu dieser im Ventilatorraum 4 ein Ventilator 6 drehbar gelagert. Selbstverständlich
kann der Ventilatorraum auch in einem von dem Siebtrommelgehäuse 1
abgetrennten, hier nicht dargestellten, gesonderten Ventilatorgehäuse angeordnet
sein. Jedenfalls setzt der Ventilator das Innere der Trommel 5 unter Saugzug. Auch ist
die Trommelkonstruktion an einer Naßbehandlungsvorrichtung, die auch nur zum Absaugen
von Flüssigkeit dienen kann, Gegenstand des Patentes. Die Gesamtkonstruktion
ist dann entsprechend anzupassen.A screen drum device basically consists of an approximately
Gemäß der Fig. 1 sind ober- und unterhalb des Ventilators 6 jeweils Heizaggregate 7
angeordnet, die aus mit Heizmedium durchflossenen Rohren bestehen. Die Siebtrommel
ist in dem nicht vom Textilgut 10 bedeckten Bereich innen von einer nicht dargestellten
Innenabdeckung gegen den Saugzug abgedeckt. Die das Textilgut 10 tragende
Mantelstruktur der Siebtrommel ist durch die weiter unten beschriebene Blechstreifenstruktur
gebildet. Diese ist außen von einem feinmaschigem Sieb 9 umschlungen,
das an der Stirnseite der Trommel an dem Boden 12 und an dem Boden 11 mit
dem Düsenstern 11' gespannt gehalten ist. 1, there are
Die Blechstreifenstruktur besteht aus axial ausgerichteten Blechstreifen 13, deren radial
ausgerichtete Höhe aus den Figuren 3 - 5 hervorgeht. Damit liegt also der
siebförmige Belag 9 gemäß Fig. 1 nur auf den radial außen angeordneten Kanten der
Blechstreifen 13 auf.The sheet metal strip structure consists of axially aligned
Die Blechstreifen 13 sind gemäß Fig. 2 mit einem definierten Abstand nebeneinander
an den beiden Böden 11, 12 befestigt. Der Abstand wird durch die Länge der zwischen
allen Blechstreifen 13 anzuordnenden Verbindungsstege 14 bestimmt, durch die letztlich
zur Rundumbefestigung Schrauben 15, 16 hindurchgeschoben sind. Zur axialen
Befestigung der Blechstreifen 13 an den Böden 11, 12 dient eine Klemmkonstruktion,
die die Blechstreifen 13 über ihre ganze radiale Höhe faßt. Die Klemmkonstruktion ist
in einem gesonderten Zentrierring 17 eingebracht, der seinerseits über Schrauben 18
mit dem jeweiligen Boden 11, 12 verbunden ist. Die Befestigung des Zentrierrings 17
an dem zugeordneten Boden 11, 12 mittels der Schrauben 18 erfolgt im Wechsel zur
Befestigung der Blechstreifen 13 am Zentrierring 17 mittels der Schrauben 23, 24,
siehe dazu Fig. 2 und 3.The
Wie aus Fig. 2 ersichtlich sind in den Zentrierring 17 für je zwei Blechstreifen 13 eine
radial ausgerichtete Klemmnut 19 eingebracht, deren Öffnungsquerschnitt dem Abstand
der zwei benachbarten Blechstreifen 13 entspricht. In Richtung der Enden 13'
der Blechstreifen 13 verengt sich dann die Klemmnut 19 zur Bildung der Klemmbacken
20, 21 konisch. In die Klemmnut 19 paßt ein Klemmstift 22, dessen radial ausgerichtete
Seitenwangen der Neigung der Klemmbacken 20, 21 der Klemmnut 19 angepaßt
sind, und zwar derart, daß der Klemmstift 22 in seiner Breitendimension der Klemmnut
19 abzüglich der Materialdicke der beiden benachbarten Blechstreifen 13 entspricht.
Wird nun der Klemmstift 22 mittels der beiden Schrauben 23 und 24 gemäß Fig. 5 an
den Zentrierring 17 herangezogen, so werden die Enden der beiden eingeklemmten
Blechstreifen 13 über ihre ganze Höhe und auch eine gewisse Breite, also vollflächig,
fest an dem Zentrierring 17 gehalten. Eine dauerhaft stabile Befestigung der
Blechstreifen 13 an den Böden 11, 12 ist erzielt.As can be seen from FIG. 2, one is in the
Claims (9)
- Apparatus for the throughflow, continuous treatment of web-like textile material, non-woven fabrics or paper with a gaseous treatment agent which is circulated in the apparatus, said apparatus including a permeable drum (5) as the conveying means, which drum is under suction and has bases (11, 12) on its end faces, and which drum is covered with a sieve-like or perforated covering (9) on its circumference, sheet metal strips (13), which are securedly connected to the bases (11, 12), extending between the bases (11, 12) of the drum (5) from base (11) to base (12), the width of said strips extending in a radial direction, characterised in that the ends (13') of the sheet metal strips (13) are securedly, but detachably, connected to the associated bases (11, 12) over their entire radially orientated height by means of a whole-surface clamping connection (19 - 22).
- Apparatus according to claim 1, characterised in that, at the radial level of the disposition of the sheet metal strips (13), the base (11, 12) has a radially orientated clamping groove (19) for every two sheet metal strips (13), the cross-section of opening of said groove corresponding to the spacing between the two adjacent sheet metal strips (13).
- Apparatus according to claim 2, characterised in that the clamping groove (19) is conically constricted in the direction of the base (11, 12), in the direction of the ends (13') of the sheet metal strips (13), to form clamping jaws (21, 22).
- Apparatus according to claim 3, characterised in that a clamping pin (22) is disposed between the two associated sheet metal strips (13) internally of the clamping groove (19), the radially orientated lateral cheeks of which pin are adapted to the inclination of the clamping jaws (21, 22) of the clamping groove (19).
- Apparatus according to claim 4, characterised in that the clamping pin (22) corresponds, in respect of its width dimension, to the clamping groove (19) minus the material thickness of the two adjacent sheet metal strips (13).
- Apparatus according to claim 4 or 5, characterised in that the clamping pin (22) is retained on the associated base (11, 12) by means of one, preferably by means of two screws (23, 24).
- Apparatus according to one of claims 1 - 6, characterised in that the respective axially orientated ends (13') of the two adjacent sheet metal strips (13) are retained, with their whole surface, between the clamping jaws (20, 21) of the clamping groove (19) and the lateral cheeks of the clamping pin (22).
- Apparatus according to one of claims 1 - 7, characterised in that the clamping grooves (19) for the sheet metal strips (13) are inserted in a centring ring (17), and the centring ring (17) is, for its part, retained on the associated base (11, 12) via screw connections (18).
- Apparatus according to claim 8, characterised in that, when viewed with respect to the circumferential direction, the screw connection (18) between centring ring (17) and base (11, 12) is respectively provided behind a clamping groove (19), that is to say between two clamping grooves (19).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19806614 | 1998-02-18 | ||
| DE19806614A DE19806614A1 (en) | 1998-02-18 | 1998-02-18 | Device for flowing, continuous treatment of textile goods or the like. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0937806A2 EP0937806A2 (en) | 1999-08-25 |
| EP0937806A3 EP0937806A3 (en) | 2000-05-24 |
| EP0937806B1 true EP0937806B1 (en) | 2003-05-07 |
Family
ID=7858061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99103271A Expired - Lifetime EP0937806B1 (en) | 1998-02-18 | 1999-02-13 | Device for continuously passing a treating gas through a textile material or the like |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6088927A (en) |
| EP (1) | EP0937806B1 (en) |
| DE (2) | DE19806614A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10035299A1 (en) * | 2000-07-18 | 2002-01-31 | Fleissner Gerold | Device for flowing through, continuous treatment of textile goods or the like. |
| ITBO20020369A1 (en) * | 2002-06-12 | 2003-12-12 | Marposs Spa | APPARATUS FOR THE CONTROL OF DIMENSIONAL AND GEOMETRIC FEATURES OF PINS |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3821330A1 (en) * | 1988-01-30 | 1989-12-28 | Fleissner Maschf Ag | Apparatus for the throughflow treatment of textile material, paper or the like |
| DE3802791A1 (en) * | 1988-01-30 | 1989-08-10 | Fleissner Maschf Ag | DEVICE FOR FLOWING TREATMENT OF TEXTILE GOODS, PAPER OD. DGL. |
| DE3907421A1 (en) * | 1989-03-08 | 1990-09-20 | Fleissner Maschf Ag | DEVICE FOR FLOWING TREATMENT OF TEXTILE GOODS, PAPER OD. DGL. |
| DE4422508C1 (en) * | 1994-06-28 | 1996-02-15 | Fleissner Maschf Gmbh Co | Drum appts for continuous wet or dry treatment of textiles |
-
1998
- 1998-02-18 DE DE19806614A patent/DE19806614A1/en not_active Withdrawn
-
1999
- 1999-02-13 DE DE59905386T patent/DE59905386D1/en not_active Expired - Fee Related
- 1999-02-13 EP EP99103271A patent/EP0937806B1/en not_active Expired - Lifetime
- 1999-02-18 US US09/251,726 patent/US6088927A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US6088927A (en) | 2000-07-18 |
| EP0937806A3 (en) | 2000-05-24 |
| DE19806614A1 (en) | 1999-08-19 |
| EP0937806A2 (en) | 1999-08-25 |
| DE59905386D1 (en) | 2003-06-12 |
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