EP1239230A1 - Armature de connexion pour vase d'expansion - Google Patents

Armature de connexion pour vase d'expansion Download PDF

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Publication number
EP1239230A1
EP1239230A1 EP02012827A EP02012827A EP1239230A1 EP 1239230 A1 EP1239230 A1 EP 1239230A1 EP 02012827 A EP02012827 A EP 02012827A EP 02012827 A EP02012827 A EP 02012827A EP 1239230 A1 EP1239230 A1 EP 1239230A1
Authority
EP
European Patent Office
Prior art keywords
water
flow
water flow
path
molded body
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.)
Withdrawn
Application number
EP02012827A
Other languages
German (de)
English (en)
Inventor
Willi Hecking
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hans Sasserath GmbH and Co KG
Original Assignee
Hans Sasserath GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hans Sasserath GmbH and Co KG filed Critical Hans Sasserath GmbH and Co KG
Priority to EP02012827A priority Critical patent/EP1239230A1/fr
Publication of EP1239230A1 publication Critical patent/EP1239230A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • F24D3/1041—Flow-through
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems
    • E03B7/075—Arrangement of devices for control of pressure or flow rate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86718—Dividing into parallel flow paths with recombining
    • Y10T137/86726—Valve with bypass connections

Definitions

  • the invention relates to a connection fitting for connecting a pressure expansion vessel to a pipe system in which a water flow flows, one Membrane the vessel into a cavity filled with water and one with a Compressed gas-filled compressed gas space, in which the valve is a Contains suction device in which a suction can be generated by the water flow, by means of this suction a water exchange flow over one to the water flow parallel flow path running through the cavity with a flow path and a return path can be generated.
  • the invention relates to a connection fitting of this type, in which the parallel flow path can be shut off by a plug valve with a valve plug, the valve being a valve body with a connection piece for the Has pressure expansion vessel, the valve plug of the plug valve in the Connection piece for the pressure expansion vessel between the suction device forming first molded body adjacent to the water flow and one on the Side of the pressure expansion vessel also sitting in the connecting piece second shaped body is arranged and the second shaped body is a central tube part and a surrounding one connected to the central tube part by webs Has ring part.
  • drinking water heaters in which the drinking water to be heated is in one closed container, e.g. is heated by heat exchange with heating water. When it heats up, the drinking water expands. This expansion must be taken into account be worn.
  • a membrane safety valve is usually used Drained water. That requires an outflow for the exiting Expansion water. The volume of expansion water lost in the process In a four-person household, depending on the installation and size of the Drinking water heater up to ten liters per day. That adds up significant water and energy losses.
  • expansion tanks with the system of the DHW heater connect, which absorb the expansion water.
  • Known devices of this type contain a bubble membrane, which is arranged in a pressurized gas-filled housing.
  • the edge of an inlet opening of the bladder membrane is with the edge of an inlet opening connected to the housing.
  • the inlet openings are with the system of Drinking water heater in connection.
  • In the space between the bladder membrane and The housing is filled with compressed gas via a filling valve.
  • EP-A-0 602 480 describes a connection vessel for heated drinking water with a cavity enclosed by a bladder membrane, with a drinking water heater communicates.
  • One of the housings borders on the cavity limited compressed gas space.
  • the connection fitting is for connecting the cavity with an inlet and for direct connection of the inlet to an outlet so trained that a water exchange flow through the cavity when tapping warm drinking water is generated.
  • the connection fitting has one direct flow passage between inlet and Outlet and continues to be fluidly parallel to the direct flow passage and flow path through the cavity.
  • This Parallel flow path is a suction device through which by means of the the direct flow path flowing flow drinking water a suction can be generated is. This suction causes the water exchange flow when tapping drinking water over the parallel flow path through the cavity into the downstream Part of the direct flow path generated.
  • the inlet and outlet are the Connection fitting arranged side by side.
  • the direct flow passage is a Breakthrough in a partition separating the inlet and the outlet.
  • the Connection fitting contains a flow path and a return path of the parallel Flow path.
  • the return path ends in a pipe neck of one Channel section of the return path containing the first molded body.
  • the molded body is inserted into a connecting piece of a valve body.
  • the pipe neck is protrudes coaxially to the outlet into the outlet. Due to the injector effect Tapping drinking water creates a suction in the pipe neck.
  • the flow path and the return path can be blocked at the same time by a ball valve.
  • the valve ball of the ball valve has a straight, in the return path, diametric channel.
  • a ring connected to the inlet opens into this annular space Channel that forms a section of the flow path of the parallel flow path.
  • On the side of the valve ball facing away from the pressure expansion vessel sits in the Connection piece a second molded body.
  • the second molded body has two to each other coaxial channels. The inside of these two channels is aligned with the diametrical channel the valve ball.
  • the outside of these channels is on the one hand with the slots of the Valve ball and thus with the annulus and on the other hand with an inlet of the Cavity in connection.
  • the interior of the channels is one in the cavity protruding outlet pipe provided with outlet openings.
  • valve ball is between separate bearing rings concave spherical bearing surfaces.
  • the bearing rings sit between the Shaped bodies and the valve ball.
  • the valve ball is in an operating position by an operating spindle
  • the flow and return paths are open and can be turned through 90 ° into a locked position.
  • the Actuating spindle contains a longitudinal channel that has a valve with an outlet connected is. The longitudinal channel communicates with the cavity. In the Blocking position can then be emptied to the pressure in the cavity Check the compressed gas-filled room.
  • inlet and outlet are coaxial arranged.
  • the suction device is a Venturi tube.
  • connection fitting for connecting a Expansion vessel to a pipe network.
  • the connection fitting contains one Main flow channel, which forms part of the pipeline network and one to it parallel, running through the cavity of the pressure expansion vessel Flow path.
  • the parallel flow path is as in EP-A-0 602 430 in Mouth area of the return path into the main flow channel with a Provide suction device, which a water exchange flow over the parallel Flow path generated.
  • the valve body is T-shaped educated.
  • the main flow channel forms the continuous T-web.
  • the parallel Flow path is integrated in the T-leg.
  • the parallel flow path divided into a flow path and a return path by a partition in the T-leg.
  • the partition extends into the area of the T-bar.
  • a ball valve is arranged in the T-leg of the valve body which is the channel of the forerun running on both sides of the partition and the return of the parallel flow path can be shut off at the same time.
  • the invention has for its object a connection fitting of the beginning to simplify the type mentioned constructively.
  • this object is achieved with a connection fitting of the type mentioned Art solved in that the forward and return path of each other coaxial Channels are formed, the leading path from the outer of the coaxial channels and the return path is formed by the interior of the coaxial channels, with a molded body a middle part containing an inner channel as part of the return path into the Water flow protrudes, the inner channel of the molded body on its outlet side End is angled in the direction parallel to the water flow and an outer channel of the molded part as part of the advance path via an arc around the central part extending inlet-side inlet opening communicates with the water flow.
  • Suction device and ducting are very easy. It has been shown that with a suction device constructed in this way a sufficient suction can be generated to the required water exchange flow over the parallel flow path and To create cavity of the pressure expansion vessel.
  • Embodiments of the invention are the subject of the dependent claims.
  • 10 denotes a valve body.
  • the valve body 10 has an inlet 12 in the form of an inlet connector and an outlet 14 in the form an outlet connection. Inlet 12 and outlet 14 are coaxial opposite sides of the valve body 10 is arranged.
  • the valve body 10 also has a connecting piece 16.
  • the axis of the Connection piece 16 extends perpendicular to the common axis of inlet 12 and Outlet 14 approximately in the middle between these.
  • Inlet 12 and outlet 14 are through one direct flow passage 18 interconnected.
  • inlet 12 flow passage 18 and outlet 14 practically a continuous Pipe section of substantially constant cross-section.
  • the connecting piece 16 goes from the flow passage 18.
  • the inner wall the connecting piece 16 forms a step or ring shoulder 20.
  • a first molded body 26 is inserted into the connecting piece 16.
  • the first molded body 26 has a jacket-shaped outer part 28 and a central part 30 coaxial therewith.
  • the outer part 28 has a thickened, annular section 32 and one tubular section 34. Section 32 is seated on annular shoulder 20.
  • the tubular section 34 is fitted into the opening 24.
  • On the tubular Radial cams 36 are formed on section 34.
  • the cams 36 are in the radial Recesses 22 added. Make the recesses 22 and the cams 36 sure that the first molded body 26 only in a defined position in the Connection piece 16 can be used.
  • the outer part 28 and the middle part 30 are connected to one another by radial webs 38.
  • the tubular middle part 30 forms one central channel 40, which is coaxial to an annular channel interrupted by the webs 38 42 between outer part 28 and middle part 30.
  • the molded body 26 projects into the flow passage 18.
  • The is in the Flow passage 18 protruding portion of the outer part 28 along a surface 44 cut off at an angle. On the inlet side, this section closes approximately with the inner wall the flow passage 18 from, while the section on the outlet side up to about Extends axis of the outlet.
  • the channel 40 of the middle part 30 is in the area of Flow passage 18 angled by 90 ° in the direction of the outlet, so that a End piece 46 of the channel 40 is in the flow direction from the inlet to the outlet flowing flow extends.
  • the channel 40 opens through the wall of the outer part through on the outlet side into the flow passage 18 or outlet 14.
  • the annular, thickened section 32 of the outer part 28 carries an O-ring 48.
  • the outer part 28 is against the connecting piece 16 by an O-ring 50 sealed.
  • valve ball 52 Valve plug.
  • the O-ring 48 is held by a support disk 53.
  • the support disc 53 lies against the O-ring 48 outside the contact surface with which the O-ring 48 rests on the valve ball.
  • the valve ball 52 is seated in the connector 16.
  • the valve ball 52 has a diametrical channel 54, which is shown in FIG Operating position with the channel 40 of the central part 30 of the first molded body 26 is aligned.
  • the valve ball 52 also has an annular channel 56.
  • the ring channel 56 is coaxial the diametrical channel 54.
  • the pipe section 58 is with the rest of the valve ball 52 connected by radial ribs 60. This is best seen in Fig.2.
  • the connecting piece 16 is still on the outer side of the valve ball 52 second molded body 62 used.
  • the second molded body 62 has a tubular one Middle part 64 and an outer part 66 surrounding the middle part 64.
  • the outer part 66 surrounds the central part 64 coaxially.
  • the outer part 66 has a cylindrical section 68 and a ball-side flange 70.
  • On the inner edge of the flange 70 is one concave-spherical, annular bearing surface 72 is formed.
  • the bearing surface 72 is located directly on the valve ball 52.
  • the flange 70 has the valve ball 52 on it on the opposite side perpendicular to the flange surface projecting ribs 74.
  • a sleeve-shaped screw-in part 76 is in an internal thread 78 of the connecting piece 16 screwed in.
  • the screw-in part 76 sits with an inwardly projecting edge 80 on the ribs 74 of the flange 70.
  • a sealing washer 82 lies on the edge 80.
  • the screw-in part 76 has a collar 84. Between screw-in part 76, collar 84 and connecting piece 16, a sealing ring 86 is inserted.
  • the tubular middle part 64 of the second shaped body 62 is over with the outer part 66 radial webs 88 connected.
  • the middle part 64 protrudes from the outer part 66 and the Connection piece 16 out.
  • the tubular middle part 64 forms an inner channel 90. Between the middle part 64 and the outer part 66 there is an interruption by the webs 88 Ring channel 92 formed.
  • the inner channels 90, 54 and 40, 46 are aligned and together form one Return path 94 for a water exchange flow through a water-filled Cavity of the expansion vessel.
  • a lead 96 is also from the aligned outer or ring channels 42, 56 and 92 are formed. Sitting on the middle part 64 an outlet pipe which projects into the cavity of the pressure expansion vessel, as in EP-A-0 602 430.
  • the valve ball 52 has a slot 100, the central plane through the axis of the Channels 54 and 56 run. Lugs 102, 104 engage in slot 100 Actuating spindle 106 a.
  • the actuating spindle 106 extends perpendicular to the Axis of the connecting piece 16.
  • the actuating spindle 106 is in a lateral Bearing approach 108 of the connecting piece 16 stored.
  • the actuator stem 106 is sealed against the bearing shoulder 108 by two sealing rings 110.
  • the approaches 102, 104 are flat lugs that extend axially from the face of the actuator stem 106 extend into the slot 100 with respect to the axis of the actuating spindle 106.
  • the Actuating spindle 106 can be described by means of an adjusting handle 112 in FIG Can be rotated by 90 °. As a result, the valve ball 52 is shown in FIG Operating position rotated into the locking position shown in Fig.2.
  • the actuating spindle 106 has a longitudinal channel 114.
  • the longitudinal channel 114 is on closed at its outer end by a releasable plug 116.
  • the longitudinal channel opens on the inner end face of the actuating spindle 106 between the lugs 102 and 104 in an annular space 118 between the valve ball 52 and the inner wall the connecting piece 16 is formed.
  • the valve ball 52 recesses 120 and 122. These recesses 120 and 122 in the in Fig.2 shown locking position a connection between the vessel-side portion of the Lead path 96 and the annular space 118 and thus between the cavity of the Expansion vessel and the longitudinal channel 114 forth. Leading path 96 and Return path 94 are in the locked position of FIG.
  • the control handle 112 is normally locked.
  • the bearing approach 108 of the valve body 10 a cam 124 attached.
  • the cam 124 protrudes into a complementary recess 126 (FIG. 5) of the adjusting handle 112 Control handle 112 held in the position shown in Fig.1.
  • a spring 128 Figure 7 depressed on the right in Fig. 1.
  • an arcuate, over 90 ° extending undercut 130 Figure 4 of the handle 112 in the region of the cam 124.
  • the adjusting handle 112 is 90 ° clockwise from 4 against the valve body 10 in the locking position shown in Figure 2 rotatable.
  • Spring 128 is a coil spring.
  • the spring 128 is seated in a circumferential recess 132 of the actuating spindle 106 and lies at one end on an annular shoulder 134 of the Actuating spindle 106 on.
  • the adjusting handle 112 engages with a peripheral recess 136 via the spring 128.
  • the spring 128 is at its other end on an annular shoulder 138 of the handle 112.
  • the spring 128 looks for the adjusting handle 112 to the left in FIG. 1 press and hold the cam 124 in the recess 126.
  • the spring 128 the handle 112 can not pull off the actuator spindle is on the Control handle attached a collar 140, in the path of a stop 142 of the actuating spindle 106 is arranged.
  • the connecting piece 16 is a separate component, the with the first and second shaped bodies 26 and 62 and the valve ball 52 and with the Actuating spindle 106 and the adjusting handle 112 forms an insert 150.
  • This stake 150 can be threaded 152 into a conventional installation with a T-piece be screwed in.
  • the correct positioning of the suction device 154 is ensured by a Teflon ring (Asag ring) 156.
  • FIG. 8 It is known to have a fitting in closed drinking water heating systems a backflow preventer, a test valve and a safety valve.
  • a fitting 158 with backflow preventer 160, check valve 162 and Safety valve 164 is shown in Figure 9.
  • Such a fitting is, as from Fig. 10 can be seen, with an additional, lateral connecting piece 166 with internal thread Mistake.
  • An insert 150 according to FIG. 8 is screwed into this connecting piece 166, so that the suction device 154 protrudes into the through channel.
EP02012827A 1997-06-10 1997-06-10 Armature de connexion pour vase d'expansion Withdrawn EP1239230A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02012827A EP1239230A1 (fr) 1997-06-10 1997-06-10 Armature de connexion pour vase d'expansion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02012827A EP1239230A1 (fr) 1997-06-10 1997-06-10 Armature de connexion pour vase d'expansion
EP97250179A EP0884539B1 (fr) 1997-06-10 1997-06-10 Armature de connexion pour vase d'expansion pour eau chaude sanitaire

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP97250179A Division EP0884539B1 (fr) 1997-06-10 1997-06-10 Armature de connexion pour vase d'expansion pour eau chaude sanitaire

Publications (1)

Publication Number Publication Date
EP1239230A1 true EP1239230A1 (fr) 2002-09-11

Family

ID=8229156

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02012827A Withdrawn EP1239230A1 (fr) 1997-06-10 1997-06-10 Armature de connexion pour vase d'expansion
EP97250179A Expired - Lifetime EP0884539B1 (fr) 1997-06-10 1997-06-10 Armature de connexion pour vase d'expansion pour eau chaude sanitaire

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97250179A Expired - Lifetime EP0884539B1 (fr) 1997-06-10 1997-06-10 Armature de connexion pour vase d'expansion pour eau chaude sanitaire

Country Status (7)

Country Link
US (1) US5988218A (fr)
EP (2) EP1239230A1 (fr)
AT (1) ATE238523T1 (fr)
DE (1) DE59709918D1 (fr)
DK (1) DK0884539T3 (fr)
ES (1) ES2197299T3 (fr)
PT (1) PT884539E (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2795490B1 (fr) 1999-06-25 2001-09-28 Watts Eurotherm Sa Moyen de connexion hydraulique d'un vase d'expansion et vase d'expansion pourvu du dit moyen
DE10105393C1 (de) * 2001-02-06 2002-07-25 Rudolf Vollmer Sicherheitsgruppe zur Absicherung eines geschlossenen Trinkwassererwärmers
DE10235061C1 (de) * 2002-07-31 2003-10-16 Sasserath & Co Kg H Expansionsvorrichtung zur Aufnahme von erwärmtem Trinkwasser
US7373953B2 (en) * 2003-08-11 2008-05-20 Oatey Co. Valve assembly
US8555923B1 (en) * 2003-08-11 2013-10-15 Oatey Co. Valve assembly
DE102005051348B4 (de) * 2005-10-25 2007-10-18 Hans Sasserath & Co. Kg Baugruppe zum Zuführen von Wasser zu Heizungsanlagen mit Wassererwärmer
US7584782B1 (en) * 2006-08-28 2009-09-08 Hamilton Sundstrand Corporation Valve defining modulated and unmodulated flow paths
US20080149201A1 (en) * 2006-12-22 2008-06-26 General Electric Company Sleeve insert for mitigating acoustic cavity resonances and related method
US8068575B2 (en) * 2007-11-15 2011-11-29 Ge-Hitachi Nuclear Energy Americas Llc Acoustic load mitigator
US10533485B2 (en) * 2014-01-13 2020-01-14 Coldfire, Inc. Control valve
GB201601848D0 (en) * 2016-02-02 2016-03-16 Equitherm Ltd Water systems
CN107035891B (zh) * 2017-04-13 2024-02-02 九牧厨卫股份有限公司 带回流功能的角阀和燃气热水器的流量控制装置及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8507703U1 (de) * 1985-03-15 1985-08-01 Flamco B.V., Gouda Anschlußstück für ein Ausdehnungsgefäß
EP0602430A1 (fr) * 1992-12-12 1994-06-22 Hans Sasserath & Co Kg Vase d'expansion pour eau chaude sanitaire conjointement avec une armature de connexion
DE29621353U1 (de) * 1996-12-09 1997-02-06 Reflex Winkelmann & Pannhoff G Anschlußarmatur zum Anschließen eines Membranausdehnungsgefäßes an ein Leitungsnetz
DE19529959A1 (de) * 1995-08-14 1997-02-20 Reflex Winkelmann & Pannhoff G Anschlußarmatur zum Anschließen eines Membrandruckausdehnungsgefäßes an ein Leitungsnetz
DE19609375C1 (de) * 1996-02-29 1997-06-12 Otto Heat Heizungs Anschlußarmatur für ein Ausdehnungsgefäß

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5052657A (en) * 1990-11-02 1991-10-01 Shaw Industries, Ltd. Ball valve
DE4403067C1 (de) * 1994-02-02 1995-04-06 Deutsche Aerospace Airbus Vorrichtung zum Eisfreihalten von einseitig offenen Flüssigkeitsleitungen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8507703U1 (de) * 1985-03-15 1985-08-01 Flamco B.V., Gouda Anschlußstück für ein Ausdehnungsgefäß
EP0602430A1 (fr) * 1992-12-12 1994-06-22 Hans Sasserath & Co Kg Vase d'expansion pour eau chaude sanitaire conjointement avec une armature de connexion
DE19529959A1 (de) * 1995-08-14 1997-02-20 Reflex Winkelmann & Pannhoff G Anschlußarmatur zum Anschließen eines Membrandruckausdehnungsgefäßes an ein Leitungsnetz
DE19609375C1 (de) * 1996-02-29 1997-06-12 Otto Heat Heizungs Anschlußarmatur für ein Ausdehnungsgefäß
DE29621353U1 (de) * 1996-12-09 1997-02-06 Reflex Winkelmann & Pannhoff G Anschlußarmatur zum Anschließen eines Membranausdehnungsgefäßes an ein Leitungsnetz

Also Published As

Publication number Publication date
PT884539E (pt) 2003-09-30
ES2197299T3 (es) 2004-01-01
ATE238523T1 (de) 2003-05-15
US5988218A (en) 1999-11-23
DK0884539T3 (da) 2003-08-11
EP0884539A1 (fr) 1998-12-16
DE59709918D1 (de) 2003-05-28
EP0884539B1 (fr) 2003-04-23

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