EP0765769A2 - Instrument pour écrire, en particulier un stylographe - Google Patents

Instrument pour écrire, en particulier un stylographe Download PDF

Info

Publication number
EP0765769A2
EP0765769A2 EP96117137A EP96117137A EP0765769A2 EP 0765769 A2 EP0765769 A2 EP 0765769A2 EP 96117137 A EP96117137 A EP 96117137A EP 96117137 A EP96117137 A EP 96117137A EP 0765769 A2 EP0765769 A2 EP 0765769A2
Authority
EP
European Patent Office
Prior art keywords
valve
writing
container
storage space
refill
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
Application number
EP96117137A
Other languages
German (de)
English (en)
Other versions
EP0765769B1 (fr
EP0765769A3 (fr
Inventor
Udo Dipl.-Ing. Obersteller
Bruno Künzler
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.)
Pelikan International Corp Bhd
Original Assignee
Pelikan GmbH
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
Priority claimed from DE19934340760 external-priority patent/DE4340760C2/de
Application filed by Pelikan GmbH filed Critical Pelikan GmbH
Publication of EP0765769A2 publication Critical patent/EP0765769A2/fr
Publication of EP0765769A3 publication Critical patent/EP0765769A3/fr
Application granted granted Critical
Publication of EP0765769B1 publication Critical patent/EP0765769B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02—Ink reservoirs
    • B43K5/06—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle
    • B43K5/08—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle with ink-supplying valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0035—Pen-like sprayers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K11/00—Filling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/18—Arrangements for feeding the ink to the nibs
    • B43K5/1818—Mechanical feeding means, e.g. valves; Pumps
    • B43K5/1827—Valves
    • B43K5/1836—Valves automatically closing
    • B43K5/1863—Valves automatically closing opened by actuation of the rear-side of the pen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L25/00—Ink receptacles
    • B43L25/02—Ink receptacles with separate dipping-cups
    • B43L25/04—Ink receptacles with separate dipping-cups supplied by pressure arrangements

Definitions

  • the invention relates to a writing instrument, in particular fountain pen, with a storage space which can be filled with ink or another writing fluid and which is connected via a connecting channel to a flow regulator and a writing tip, the storage space having a refill opening which is accessible from the outside and is closed by an automatically closing valve , to which a refill container provided with means for keeping the valve open can be tightly connected.
  • the invention further relates to a refill container for filling the writing instrument.
  • the CH-A-255 993 is known to be a refill container, which can be connected to the storage space of a fountain pen of the type mentioned at the beginning with the aid of a filling pipe in order to refill it with writing liquid.
  • the filling tube is axially movable against the force of a spring in front of the container opening closed by a valve plate, from which a hose leads to the container bottom.
  • the same valve plate is located in the refill opening of the fountain pen.
  • the refill container can be pressurized.
  • the writing instrument is placed with its refill opening on the fill tube and pressed down against the refill container, the fill tube penetrating both valve plates and thereby connecting the hose to the reservoir of the fountain pen.
  • the liquid flows through the hose and the filling pipe into the Storage space of the fountain pen pressed, the air in it escapes through the ventilation channel at the tip of the fountain pen. After filling, the fountain pen is pulled off the filling tube, the openings in the valve plates automatically closing again.
  • a fountain pen is known, the shaft of which contains a storage space and a reserve space which are separated from one another by a wall in which a refill valve is located.
  • a separating valve is provided, by means of which the connecting channel leading from the storage space to the writing tip can be closed in the tip part.
  • the closure elements of both valves are connected by a plunger to a rotary knob designed as a screw, which is arranged at the rear end of the fountain pen. If the ink in the storage space is used up, the refill valve is opened by turning the rotary knob and then, when the refill valve has reached its maximum open position, the isolating valve is closed.
  • the fountain pen is then held with the writing tip down and shaken in order to transport the ink from the reserve room into the storage room.
  • the closed isolation valve prevents ink from escaping from the writing tip.
  • the fountain pen is filled with ink by unscrewing its tip part and thus also the seat of the separating valve from the shaft. The isolating valve is therefore open when filling.
  • a refillable writing instrument is known from US Pat. No. 2,646,777, in which the storage space is provided at the end opposite the writing spring with a piston pump which can be actuated by a suction pipe protruding from the storage space.
  • the suction tube is immersed in an ink container and the piston pump is actuated by moving the writing instrument up and down.
  • the disadvantage here is that when refilling the increasing pressure in the ink regulator in the storage space emerges at the writing tip, so that the outside of the writing instrument and the operator's fingers can be soiled with ink.
  • the supply space and the ink chambers in the ink regulator can easily become overfilled, which initially makes the typeface dirty when writing.
  • the handling of the known writing instrument is cumbersome and the suction pipe protruding from the storage space requires the arrangement of an additional protective sleeve.
  • the invention has for its object to design a writing instrument of the type mentioned in such a way that it can be repeatedly filled with ink or writing fluid without overfilling is possible and that there is no excessive supply of ink at the tip when refilling the storage space can.
  • This object is achieved in that the connecting channel can be blocked by a separating valve which is open in its basic position and that the opening of the automatically closing valve of the refill opening is only possible after the separating valve has reached its closed position.
  • the reservoir is always separated from the writing tip and the flow regulator when the ink is refilled with the isolating valve.
  • the pen can therefore only take up as much ink as it can hold when it is refilled. Overfilling with the result that ink emerges from the writing tip is not possible.
  • a pressure in the storage space that is higher than atmospheric pressure, which can occur when refilling with ink, can therefore not lead to an excess supply of ink at the writing tip and the capillary system of the flow regulator. Because the pantry is easily refilled with ink can be, it can be optimally adapted in its size to the pressure compensation capacity of the flow regulator.
  • the separation valve can be actuated in a simple manner in that the closure element of the separation valve is attached to a tappet.
  • the closure element of the separating valve can be axially movable relative to the plunger, so that differences between the closing path of the closure element and the actuation path of the plunger are compensated for.
  • a preferred embodiment of the invention provides that the closure element of the separating valve is formed by an elastically deformable hose which is fastened to the closure element of the refill valve and which can be pressed with its free end onto a valve seat at the inlet end of the connecting channel.
  • This design of the isolating valve is characterized above all by a low manufacturing and assembly effort and by a low susceptibility to wear.
  • the isolating valve has a valve seat with a seat formed by a cylindrical bore into which the closure element can be inserted and which is of such a length that the closure element can be moved axially to a limited extent in its closed position.
  • the ink flow through the opened separating valve can be improved in that ribs extending in the flow direction adjoin the valve seat, which counteract the surface tension and prevent individual drops from sticking in the region of the passage opening of the valve.
  • the pushbutton for operating the isolating valve closes preferably the end of the storage space opposite the writing tip.
  • the push button can be supported on a compression spring, by which it is held in a basic position in which the isolating valve is open. It has proven to be advantageous if the pushbutton cannot be operated suddenly. According to the invention, this can be achieved in that the pushbutton is screwed into the threaded bore of a sleeve-shaped rotary knob with an external thread and can be moved axially by turning the rotary knob.
  • the refill opening which is accessible from the outside, can furthermore be formed by a central bore in the push button which is connected to the storage space and which receives the self-closing valve.
  • the closure element of the valve in the refill opening can further consist of a wall or membrane made of elastomeric material and have a pre-pierced, automatically closing opening through which a hollow needle of a refill container can be pierced from the outside.
  • This enables a refill container to be tightly connected to the storage space with simple means, without the storage space having to be opened by loosening a lid or a comparable closure. Refilling the storage room is therefore possible in a simple and clean way.
  • the hollow needle can alternately push ink into the storage space and suck air out of the storage space.
  • the area containing the closure element can have a guide surface which is concentric with the closure element and which serves to orient a guide element of a refill container provided for refilling.
  • the closure element can also be arranged sunk in a bore, the diameter of which is the outside diameter of the Hollow needle of the refill container only slightly exceeds.
  • the fountain pen shown has a tubular shaft 1 which contains a storage space 2. At the end 5 of the shaft 1 there is a writing tip 6 (not shown in any more detail) which contains an ink regulator 7 which has capillary channels and compensation chambers and which connects an application element, for example a writing pen, to the storage space 2.
  • the ink regulator 7 is connected via a bore 8 to the storage space 2, which can be closed by a separating valve 9.
  • the isolating valve 9 is formed by a tubular closure element 10 made of elastomeric material and a conical seat 11 adjacent to the bore 8, against which the closure element 10 can be pressed.
  • the closure element 10 surrounds the end 12 of a plunger 13 projecting into the storage space 2.
  • the end 12 has a bead 15, which the Closure element 10 encompasses elastically.
  • the closure element 10 is additionally supported on an element 14.
  • the seat 11 are adjacent within the storage space 2 ribs 35, which promote the flow of ink through the open isolation valve.
  • the end 19 of the plunger 13 opposite the closure element 10 is fastened to a push button 20 which is axially movably mounted in a sleeve-shaped carrier element 21 on the end of the shaft 1 opposite the writing tip 6.
  • the pushbutton 20 has a longitudinal bore 22, in which the cross-shaped end 19 engages. In the axial direction, the end 19 is held by projections 23 which are engaged in undercut slots in the wall of the push button 20.
  • a compression spring 25 is arranged in a recess 24 in the lateral surface of the pushbutton 20.
  • the compression spring 25 is supported at one end on the push button 20 and at the other end on the support element 21 and thereby holds the push button 20 in the position shown, in which it protrudes from the support element 21 and with a stop surface 26 delimiting the recess 24 a collar 27 of the carrier element 21 protruding into the recess 24.
  • the carrier element 21 has a cylindrical bore 28 in which the end of the pushbutton 20 facing the storage space is sealed with a sliding seal ring 29.
  • the carrier element 21 is inserted into the open end of the shaft 1 and sealed with a sealing ring 30 with respect to the shaft 1.
  • spring tongues 31 are formed on the carrier element 21 and are latched with projections at their ends in recesses 32 in the wall of the shaft 1.
  • a wall 33 made of elastomeric material is arranged in the longitudinal bore 22 of the pushbutton 20, which wall is accessible from the outside through a narrow bore 34 and has a pre-pierced opening 55 which is kept closed by the contraction behavior of the material.
  • the opening 55 of the wall 33 can be pierced with a hollow needle of a refill container and then ink can be filled in through the hollow needle.
  • the air displaced when filling in new ink is sucked out intermittently through the hollow needle by constantly changing the pressure in the refill container.
  • the wall 33 seals the hollow needle during refilling and behaves like an automatically closing valve. After pulling out the hollow needle, it contracts immediately so tightly that the opening 55 and the storage space 2 are immediately sealed again.
  • the pushbutton 20 is provided with a concentric annular groove 37 into which a guide tube of the refill container surrounding the hollow needle can be inserted.
  • the refill device In order to ensure the closing of the isolation valve 9 when refilling writing liquid through the opening in the wall 33, it is advisable to design the refill device so that the hollow needle can only pierce the wall 33 after the isolation valve 9 has reached its closed position by pressing the pushbutton 20 is.
  • This can be achieved, for example, in that the guide tube of the refill container which engages in the annular groove 37 is displaceable relative to the latter and is supported on a compression spring, the spring force of this compression spring being greater than that of the compression spring 25 on the pushbutton 20.
  • the pushbutton 20 is not moved directly, for example by axial finger pressure, but by the rotary movement of a rotary knob 47 which is rotatably attached to the open end of the shaft 1.
  • the rotary knob 47 is in the form of a sleeve which surrounds the push button 20 and which is connected to the push button 20 by a thread 48.
  • the rotary knob 47 is mounted on the carrier element 21.
  • the carrier element 21 has at its rear end a radially inwardly projecting collar 49 which engages in an annular groove in the lateral surface of the rotary knob 47.
  • the carrier element 21 is slotted in the region of the collar 49, which makes it easier to insert the carrier element 21 and the rotary knob 47 into one another.
  • annular groove 37 is provided analogously to the exemplary embodiment according to FIG. 2 for receiving the guide tube of a refill container which can be connected to the fountain pen.
  • the bottom surface 50 of the annular groove 37 is located on the rotary knob 47 and serves as a stop for the inward movement of the pushbutton 20 and for limiting the insertion depth of the guide tube.
  • the pushbutton 20 is secured against rotation with respect to the carrier element 21 by a projection 51 which engages in a longitudinal groove 52 which cuts the threads on the outside of the pushbutton. If the rotary knob 47 is rotated clockwise from right to left in FIG. 3, the pushbutton 20 is moved to the left and, as previously described, the isolating valve 9 is actuated via the plunger 13. In the end position, the pushbutton 4 rests on the bottom surface 50 with a stop surface 53.
  • the actuation of the pushbutton 20 with the aid of a rotary knob has the advantage that the isolating valve 9 cannot be actuated abruptly, for example by pushing open the fountain pen with its pushbutton-side end. This prevents mass forces acting on the ink from causing undesired ink transport to the writing tip during this process.
  • the filling device shown in Figure 4 is provided for filling a fountain pen according to Figures 1 to 4. It consists of a container 61, which is composed of an elastically deformable hollow body 62 and a rigid jacket body 63.
  • the hollow body 62 has a cylindrical wall 64, a slightly curved bottom 65 and a truncated cone-shaped cover 66, which is adjoined by a cylindrical neck 67.
  • the neck 67 is provided with a thread 68 on its outside.
  • the jacket body 63 has a frustoconical wall 69 and a cap 70 with an internal thread 71, which is screwed onto the neck 67 and closes it tightly.
  • the inclination of the wall 69 corresponds to the cover 66 and its outer edge lies firmly on the edge of the cover 66.
  • the bottom 72 of the cap 70 is provided with a depression 73 which projects into the neck 67 and is formed by cylindrical wall sections.
  • a sleeve-shaped insert 75 which contains a valve 76 and a filling tube 77 designed as a hollow needle, is fastened in a bore 74 of the depression 73.
  • the valve 76 consists of a wall 78 in the form of a cylindrical disk, onto which a sleeve-shaped extension 79 is formed.
  • the wall 78 is pierced with a needle along its cylinder axis, whereby an automatically closing valve bore is formed.
  • the wall 78 is held in the insert 75 by a ring 80.
  • the filling tube 77 is arranged on the side of the wall 78 facing away from the interior of the container 61 and is guided at one end in the bore of the attachment 79. In the middle, the filling tube 77 is connected to a spring plate 81, which can be placed on an annular collar 82 of the insert 75 and is guided with a cylindrical guide section therein. A compression spring 83 is arranged between the spring plate 81 and the wall 78. The outer end of the insert 75 forms a guide sleeve 84 which surrounds the outer end of the filling tube 77 at a distance.
  • the lower half of the illustration in FIG. 4 shows the filling tube 77 in its basic position, in which the valve 76 is closed. In this position, the filling tube 77 is held in contact with the collar 82 by the prestressed compression spring 83 with the spring plate 81.
  • the container 61 is inserted with the guide sleeve 84 onto the pushbutton 20 at the end of the fountain pen and moved in the longitudinal direction of the guide tube 77, the guide sleeve 84 engaging in the annular groove 37 and the outer, from the spring plate 81 protruding end of the filling tube 77 penetrates the bore 34 and the opening 55 of the wall 33.
  • the friction force to be overcome is absorbed by the prestressed compression spring 83.
  • the compression spring 83 has the effect that the outer end of the guide tube 77 can only be pulled out of the wall 88 when the spring plate 81 abuts the annular collar 82 and the valve 76 formed by the wall 78 is already closed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)
EP96117137A 1993-11-30 1994-11-09 Instrument pour écrire, en particulier un stylographe Expired - Lifetime EP0765769B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19934340760 DE4340760C2 (de) 1993-11-30 1993-11-30 Schreibgerät, insbesondere Füllhalter
DE4340658 1993-11-30
DE4340658 1993-11-30
DE4340760 1993-11-30
EP94117637A EP0655350B1 (fr) 1993-11-30 1994-11-09 Instrument pour écrire, en particulier un stylographe

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP94117637A Division EP0655350B1 (fr) 1993-11-30 1994-11-09 Instrument pour écrire, en particulier un stylographe
EP94117637.2 Division 1994-11-09

Publications (3)

Publication Number Publication Date
EP0765769A2 true EP0765769A2 (fr) 1997-04-02
EP0765769A3 EP0765769A3 (fr) 1998-01-21
EP0765769B1 EP0765769B1 (fr) 2001-03-14

Family

ID=25931624

Family Applications (2)

Application Number Title Priority Date Filing Date
EP96117137A Expired - Lifetime EP0765769B1 (fr) 1993-11-30 1994-11-09 Instrument pour écrire, en particulier un stylographe
EP94117637A Expired - Lifetime EP0655350B1 (fr) 1993-11-30 1994-11-09 Instrument pour écrire, en particulier un stylographe

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP94117637A Expired - Lifetime EP0655350B1 (fr) 1993-11-30 1994-11-09 Instrument pour écrire, en particulier un stylographe

Country Status (5)

Country Link
US (1) US5888008A (fr)
EP (2) EP0765769B1 (fr)
JP (1) JP2680276B2 (fr)
DE (2) DE59405170D1 (fr)
ES (2) ES2113035T3 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1263654B1 (fr) * 1999-06-14 2008-04-02 Evergreen Packaging International B.V. Structure stratifiee multicouche de resine/papier contenant au moins une couche composite de polymere/argile nanoparticulaire et materiaux d'emballage fabriques
US6531669B1 (en) * 2001-05-02 2003-03-11 Rockwell Collins, Inc. Method and system for illuminating a mechanical rotary push-button switch
JP4559015B2 (ja) 2002-04-08 2010-10-06 株式会社小森コーポレーション 版保持装置
JP4442798B2 (ja) * 2003-03-04 2010-03-31 三菱鉛筆株式会社 修正ペン用リフィール
DE602004027016D1 (de) * 2003-03-04 2010-06-17 Mitsubishi Pencil Co Nachfüllung für korrekturstift und nachfülleinheit
CN100381295C (zh) * 2006-01-17 2008-04-16 徐辰丁 一种吸墨装置
US8092108B2 (en) * 2009-12-30 2012-01-10 Harry Bainbridge Porous tip liquid applicator having draw fill mechanism
JP5794732B2 (ja) * 2011-08-22 2015-10-14 三菱鉛筆株式会社 補充具および補充具を備えた筆記具セット
CN102431714B (zh) * 2011-12-14 2014-02-12 东莞怡信磁碟有限公司 一种便携式充液瓶的充液嘴转接器
EP2920003B1 (fr) * 2012-12-06 2019-08-07 Europe Brands S.à r.l. Ensemble de libération de bouchon de remplissage et instrument d'écriture le comportant
US9103376B2 (en) * 2013-10-23 2015-08-11 Hamilton Sundstrand Corporation Chambered shaft for improved bearing lubrication
US9537811B2 (en) 2014-10-02 2017-01-03 Snap Inc. Ephemeral gallery of ephemeral messages
JP6514480B2 (ja) * 2014-10-16 2019-05-15 株式会社呉竹 インク充填具
JP7416669B2 (ja) * 2020-06-23 2024-01-17 ゼブラ株式会社 インク補給具及び補給式筆記具セット
DE102020122970A1 (de) * 2020-09-02 2022-03-03 Montblanc-Simplo Gmbh Füllfederhalter mit schnellfüllkupplung
JP7695692B2 (ja) * 2021-05-28 2025-06-19 株式会社呉竹 尾栓及び筆記具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191506570A (en) 1915-05-03 1916-02-24 Alexander Munro Improvements in Fountain Pens.
CH255993A (de) 1947-05-01 1948-07-31 Ag Saturn Verfahren und Vorrichtung für die Nachfüllung von Flüssigkeiten in den Hohlraum von Gebrauchsgeräten mit Flüssigkeitsverbrauch.
US2646777A (en) 1950-12-28 1953-07-28 Jorge S Zarur Fountain pen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE33630C (de) * A. FRANKE in Hermsdorf, Kreis Waldenburg Maschine zum Zerkleinern gekochten Viehfutters
DE255993C (fr) 1911-07-13 1913-01-27
US2603188A (en) * 1949-07-26 1952-07-15 Mckay Neil Fountain pen
US2737329A (en) * 1952-09-04 1956-03-06 Bolsey Jacques Filling apparatus for pens and the like
US2938499A (en) * 1956-07-20 1960-05-31 Lindenbaum Bernard Combination pen and pressurized filling means
US3023737A (en) * 1959-01-02 1962-03-06 Marban Julian Gutierrez Writing instrument
DE1210716B (de) * 1961-03-24 1966-02-10 Theodor Kovacs Behaelter zum Fuellen von Tintenpatronen fuer Fuellfederhalter
JPS62109980U (fr) * 1985-08-08 1987-07-13
JPH055024Y2 (fr) * 1986-10-06 1993-02-09
DE69012263T2 (de) * 1989-03-28 1995-01-12 Pentel Kk Flüssigkeitsentladungsvorrichtung.
US5518331A (en) * 1993-04-15 1996-05-21 Storelic Ag Refillable ink pen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191506570A (en) 1915-05-03 1916-02-24 Alexander Munro Improvements in Fountain Pens.
CH255993A (de) 1947-05-01 1948-07-31 Ag Saturn Verfahren und Vorrichtung für die Nachfüllung von Flüssigkeiten in den Hohlraum von Gebrauchsgeräten mit Flüssigkeitsverbrauch.
US2646777A (en) 1950-12-28 1953-07-28 Jorge S Zarur Fountain pen

Also Published As

Publication number Publication date
EP0655350A1 (fr) 1995-05-31
DE59405170D1 (de) 1998-03-05
EP0655350B1 (fr) 1998-01-28
ES2155917T3 (es) 2001-06-01
US5888008A (en) 1999-03-30
JPH07251587A (ja) 1995-10-03
DE59409687D1 (de) 2001-04-19
ES2113035T3 (es) 1998-04-16
EP0765769B1 (fr) 2001-03-14
JP2680276B2 (ja) 1997-11-19
EP0765769A3 (fr) 1998-01-21

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