EP0706458B1 - Vorrichtung zur halterung von gespanntem bogenförmigem material und verfahren zum aufspannen dieses materials - Google Patents

Vorrichtung zur halterung von gespanntem bogenförmigem material und verfahren zum aufspannen dieses materials Download PDF

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Publication number
EP0706458B1
EP0706458B1 EP94918732A EP94918732A EP0706458B1 EP 0706458 B1 EP0706458 B1 EP 0706458B1 EP 94918732 A EP94918732 A EP 94918732A EP 94918732 A EP94918732 A EP 94918732A EP 0706458 B1 EP0706458 B1 EP 0706458B1
Authority
EP
European Patent Office
Prior art keywords
groove
rod
arc
shaped material
rods
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
Application number
EP94918732A
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German (de)
English (en)
French (fr)
Other versions
EP0706458A1 (de
Inventor
Hans-Ulrich Grünig
Guido Kreuzer
Eckhard Napp
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.)
Anton Hurtz GmbH and Co KG
Original Assignee
Anton Hurtz 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 Anton Hurtz GmbH and Co KG filed Critical Anton Hurtz GmbH and Co KG
Publication of EP0706458A1 publication Critical patent/EP0706458A1/de
Application granted granted Critical
Publication of EP0706458B1 publication Critical patent/EP0706458B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor
    • B41F15/36—Screens, Frames; Holders therefor flat

Definitions

  • the invention relates to a device for holding tensioned arched material, in particular fabric, with profiles, preferably forming a tensioning frame, into each of which a groove is worked into the surface lying against the arched material and runs along the longitudinal direction of each of the profiles, wherein in the groove holding means can be used, which hold the arcuate material in the tensioned state.
  • tenter frames are used, onto which a screen printing fabric is stretched. This fabric must be stretched with a predetermined tension and should be very even.
  • a known solution to meet this requirement is that the fabric is stretched over a stretching frame by a known stretching device, glued to it in the stretched state and then dried. The stenter with the stretched tissue is then removed from the stenter.
  • This procedure has the disadvantage that when the stenter is reused, the glued-on tissue is removed, after which the stenter is cleaned must be what happens with appropriate solvents that need to be disposed of.
  • not all fabrics that are used, for example, for screen printing processes are suitable for gluing. This applies in particular to fabrics that are pretreated before being stretched, for example coated.
  • DE-A-32 39 319 shows a clamping device for screen printing frames.
  • the profiles forming the frame are provided on their surface with a circumferential groove into which a concavely shaped, band-shaped clamping body can be pressed, the tissue being pressed into the groove together with this clamping body. Uniform clamping with the required clamping force is difficult to achieve with this device, in particular also because clamping with an inserted clamping body is not possible.
  • the clamp body is used to hold the tissue.
  • a stenter is known in which adjustable profiles are arranged. These adjustable profiles are equipped with a longitudinal groove into which the tissue to be clamped is inserted and clamped with one or two rods. These rods are made of an elastic material, the deformation of which generates the pressure forces on the tissue to be held. After the fabric is clamped in, the required clamping force can be generated by moving the corresponding profiles in the frame. With this stretching frame, a uniform tensioning of the fabric can be created. The attachment to the tenter frame can be done without adhesive. Due to the possibility of clamping within the stenter, however, this stenter is very difficult and expensive to manufacture.
  • the object of the invention is to provide a tenter frame on which a fabric can be tensioned uniformly, on which the tensioned fabric is held with simple holding means, and which is simple and inexpensive to manufacture.
  • Another object of the invention is to provide a method for clamping this material on the tenter frame, which is achieved according to the invention by the features specified in the characterizing part of claim 19 and claim 20.
  • the groove is advantageously designed such that a region of the surface of the first rod which is inserted into the groove and a region of the surface of the groove jointly form a wedge-shaped groove into which the second rod can be inserted.
  • the fabric wraps around the first rod.
  • This first rod is pressed against the projection provided in the groove when the fabric is stretched.
  • this first rod is rotated in a direction which causes the second rod to be raised in the direction of the wedge that is opening.
  • the tissue can be moved through the groove around the first rod against the direction of tensioning.
  • the second rod is pressed into the wedge, whereby the first rod is wedged through and together with the second rod. This ensures optimal retention of the tensioned material.
  • the opening of the groove directed against the surface of the corresponding profile is advantageously limited by the projection and an edge strip adjacent to the projection. This creates a width of the opening which is larger than the larger diameter of one of the two rods, but which is smaller than the sum of the two diameters of the two rods together. It is thereby achieved that in the wedged position of the two rods and, consequently, with tensioned tissue, it is impossible for one or both rods to emerge from the groove. This ensures optimal security of the clamped tissue against loosening.
  • the area of the groove in which, in the tensioned state of the material to be tensioned, advantageously has the first Bar rests, a shape corresponding to the bar. This achieves an optimal clamping effect for the material to be tensioned.
  • the surface of the area of the groove which forms the outside of the wedge-shaped groove has in cross section the shape of an arc of a circle which has a radius which is slightly larger than the sum of the radius of the first rod and the diameter of the second rod .
  • the center of this circular arc is in a position slightly offset from the surface of the frame in relation to the center of the first rod, when this rests on the projection.
  • both rods are provided at one or both ends with a profile, on which a rotary lever can be plugged for rotating the corresponding rod.
  • the second rod can be twisted, for example, to wedge the rods so that it penetrates deeper into the wedge-shaped groove, as a result of which the tissue is already wedged when the tensioning device is released, and consequently there is no return of the tissue for wedging.
  • the fabric prefferably stretched only in the corresponding direction by rotating the first rod.
  • the clamping frame 1 shown in Figure 1 is composed of four profiles 2 to 5, which essentially form a flat rectangle.
  • the profiles 2 to 5 are assembled so that one end face of a profile abuts the end region of a long side of the adjacent profile.
  • a groove 6 is machined into the surface lying against the arcuate material and runs along the longitudinal direction of each of the profiles 2 to 5.
  • a first rod 7 and a second rod 8 are inserted into each groove 6, the groove having a corresponding shape, as will be described below.
  • the ends of the two rods 7, 8 can each be provided with a profile 9, which in this exemplary embodiment is designed as a hexagonal profile.
  • the two rods 7, 8 can protrude on one side over the groove 6 and over the edge of the stenter 1 protrude slightly. This enables a hex key, not shown, to be plugged onto the hexagonal profile 9 of the corresponding rod 7 or 8, with which the corresponding rod 7 or 8 can be rotated, the purpose of this rotation being described later.
  • the outer side 15 of the groove 6 is formed by a surface which also has the shape of a circular arc 16 in cross section, the radius of which is R 2 , the center of which is denoted by M 1 .
  • the center M 1 is offset from the center M 2 by the dimension a against the surface 12 of the groove 6.
  • the dimension a is approximately the tenth part of the diameter of the first rod 7.
  • An edge strip 17 is provided at the end of the circular arc 16 against the surface 12.
  • the sheet material 18 to be clamped on the clamping frame 1 can be placed on the clamping frame in such a way that it covers the groove 6 of the corresponding profiles 2 to 5.
  • the first rod 7 is then inserted into the groove 6, the first rod 7 coming to rest on the arcuate material 18 which is likewise pressed into the groove, as can be seen in FIG.
  • the opening of the groove 6 delimited by the projection 13 and the edge strip 17 has a width which is slightly larger than the diameter of the first rod 7.
  • the radius R 1 of the first rod 7 corresponds essentially to the radius R (Fig.2).
  • the second rod 8 is then inserted into the opening 6 of the groove 6, as shown in FIG.
  • This second rod 8 has the same diameter as the first rod 7.
  • the outer end 19 is then laid out again from the folded-up position.
  • the second rod 8 then comes into contact with the circular arc 16 of the groove 6, as can be seen from FIG.
  • the outside end 19 of the arcuate material 18 can now be fastened, for example, in a known tensioning device, not shown, after which the arcuate material 18 is tightened in the direction of the arrow 20.
  • the first rod 7 When the arcuate material 18 is tightened, the first rod 7 is pulled upwards from the base of the groove until the first rod 7 abuts the circular arc 14 of the groove 6. A further displacement of the first rod 7 is avoided by the second rod 8.
  • Tensioning the arcuate material 18 in the direction of arrow 20, as shown in Fig. 6, causes the first rod 7 to rotate counterclockwise, causing the second rod 8 to move in the direction out through the surface of the first rod 7 and the arc 16 formed wedge-shaped groove 21 is pressed.
  • the first rod 7 tends to twist clockwise, thereby pushing the second rod 8 down into the wedge-shaped groove 21, causing the second rod 8 and consequently the Wedge first rod 7.
  • the tense arcuate material 18 is held in the tensioned state.
  • the wedging of the second rod 8 in the wedge-shaped groove 21 can be supported in that the second rod 8 is turned clockwise via the hexagonal profile 9 (FIG. 1) with the rotary key in the position shown in FIG.
  • the arching material 18 can also be tensioned in such a way that, in the state shown in FIG. 6, the first rod 7 is rotated counterclockwise via the hexagonal profile 9 (FIG. 1). The friction of the sheet material 18 on the first rod 7 is sufficient for the sheet material 18 to be brought into the desired tension. After the tensioning carried out in this way has ended, the wedging of the first rod 7 and the second rod 8 takes place in the manner described above.
  • the two rods 7, 8 extend over the entire length of the groove 6 and consist of a rigid material, for example metal.
  • the cross-sectional shape of the profiles 2 to 5 can be designed as a hollow profile 22, the corresponding shape of the groove 6 being preferably provided in a corner.
  • a hollow profile 22 can be obtained, for example, by extruding aluminum.
  • FIG. 1 A different embodiment than the variant described in FIG. 1, a corner connection of two adjacent profiles, is shown in FIG.
  • the profiles for example profiles 2 and 3, are each provided with a miter surface 23 at the ends.
  • FIG. 1 Another variant of a corner connection of two adjacent profiles is shown in FIG.
  • the two profiles for example profile 2.3, are provided in the same way with a miter surface 23 and joined together, as 8 has been described.
  • the corner area is separated along a cutting plane 26 so that access to the first rod 7 and the second rod 8, which are inserted into the corresponding grooves 6, is made possible for a rotary lever.
  • This cutting plane 26 is perpendicular to the frame surface and to the corresponding miter surface 23, and runs on the inside of the two grooves 6 converging in the corresponding corner.
  • the two grooves 6 consequently run out in the cutting plane 26. Access to the first rod 7 and the second rod 8 with an appropriate rotary key is guaranteed.
  • the corresponding groove end in the area of the hexagonal profile of the corresponding rod can be provided with a recess in such a way that the rotary lever is plugged onto the hexagonal profile of the corresponding one Rod becomes possible.
  • the groove area shown in FIGS. 10, 11 is similar to the illustrations in FIGS. 2 to 7.
  • the groove 6 consists of a surface in the form of a circular arc 16, on the one hand adjoining the circular arc 14 to the projection 13 and on the other hand with a circular arc 27 having a smaller radius, a flat wall 10 which extends to the height of the projection 13 and there could also have an edge strip 17 to limit the opening of the groove 6.
  • Whether the circular arc 16 or the wall 10 forms the outside or the inside of the groove 6 depends on which side of the plane of the illustration the sheet material 18 is held.
  • This holding can take place by any abutment, for example a separate tension rod or the like parallel to the projection 13, if the sheet material 18 is, for example, a truck tarpaulin or a tent tarpaulin.
  • the profile 2 would have to be braced or otherwise fastened so that it does not move in the direction of the abutment when the arcuate material 18 is tensioned and thus can prevent the tensioning effect.
  • surface 12 is in each case the screen printing side surface of the tensioning frame on which the material to be tensioned comes to rest and is held tensioned.
  • the arrow 20 denotes the direction in which the arcuate material 18 is tensioned in order to be held tensioned by rods 7, 8 located in the groove 6. Accordingly, in FIG. 10 the wall 10 is the outside of the groove 6 and the circular arc 16 is the inside of the groove 6, while in the illustration in FIG. 11 the circular arc 16 is the outside of the groove 6 and the wall 10 is the inside of the groove 6 .
  • the rods 7, 8 are rigid rods and, if necessary, are provided with the configurations likewise described above, such as, for example, with a hexagonal profile for using a rotary key. They have the same diameter and, in relation to the dimensions of the groove 6, the same size as the rods 7, 8 of the previously described configurations. It is assumed that the shape of the groove 6 in the region of the circular arc 16 up to the projection 13 'is designed and dimensioned in the same way as in the previously described configurations. Of the bars 7, 8, the first bar 7 was always specified and designated as the one which is adjacent to that of the arcuate material 18 which is held taut outside the profile 2.
  • FIG. 10 shows the first rod 7 below the projection 13 in a clamping position with the second rod 8.
  • the arcuate material 18 wraps around the second rod 8.
  • the rods 7, 8 are tensioned and wedged by first spreading the arcuate material 18 over the groove 6 and with the second Rod 8 is pressed into the groove 6 until the rod 8 and the adjacent portion of the sheet material 18 are arranged in the vicinity of the groove base.
  • the first rod 7 is then arranged between the arcuate material 18 and the surface 12 of the projection 13 and pushed into the groove 6 or arranged within the groove 6, for example in the region of the circular arc 14 below the projection 13. This arrangement of Bar 7 is done as far as possible. If the sheet-like material 18 can be folded away similar to FIG.
  • the rod 7 can be inserted transversely. An insertion in the longitudinal direction of the rod 7 under the arcuate material 18 is also possible. After the arrangement of the bars 7, 8 in the groove 6, the free edge of the sheet material 18 is pulled in the direction of the arrow 20, so that the bar 8 is raised. At the same time, the rod 7 is also raised, since it is ensured by appropriate dimensioning of the distance between the rod 8 and the circular arc 16 that the rod 7 cannot fall through between the two. When the rod 8 is raised, it is rotated counterclockwise. Accordingly, the rod 7 is rotated clockwise.
  • the groove 21 runs perpendicular to the plane of representation.
  • the wedge-shaped groove 21 can be made more pointed or blunt with respect to its wedge angle in such a way that the wall 10 is more or less inclined with respect to the vertical. Accordingly, the mouth of the groove 6 is smaller or larger. 10 shows a comparatively weak inclination of the wall 10, which acts in the sense of self-locking in order to wedge the rods 7, 8.
  • the arcuate material 18 held taut outside the profile 2 is arranged on the right, so that the first rod 7 is arranged on the right of the rod 8 in contrast to FIG.
  • the insertion of the bars 7, 8 takes place in the embodiment of FIG. 11 in a similar manner to that shown in FIGS. 3 to 5.
  • the end 19 can be brought into a position similar to the position 19 'of FIG. 3, around the second rod 8 to insert.
  • the rods 7, 8 may have different diameters.
  • the non-looped rod can have a larger diameter in order to prevent the two rods 7, 8 from becoming too fast when pulling on the end 19 of the material 18.
  • the material 18 can then be tensioned better.
  • the radius R 1 of the first rod 7 is smaller or larger than the radius R of the circular arc 14, which starts from the underside of the projection 13.
  • a corresponding reduction in the friction of the first rod 7 with the circular arc 14 can also prevent the rods 7, 8 from jamming too early.
  • the device can also be designed in such a way that the area of the groove 6, on which the first rod 7 is arched when tensioned Material is present, is provided with a coating changing the coefficient of friction of this area.
  • the device can advantageously be used in connection with tensioning frames known per se for screen printing by being arranged in the outer circumference of a rotatable and lockable tensioning roller. Similar tensioners are already known from US-3 908 293. The two rigid rods grip and hold the sheet material 18, after which the tension roller is rotated and locked to thereby tension the sheet material 18.
  • the device for holding tensioned sheet material does not have to be used in conjunction with tensioning frames, but can also be used for tensioning sheet material which is used, for example, as a tarpaulin, for example as a truck tarpaulin.
  • tensioning sheet material which is used, for example, as a tarpaulin, for example as a truck tarpaulin.
  • FIG. 12 shows a side view of part of a profile.
  • One end of the profile 2 is provided with a link 28 which at least partially covers an open end of a groove 6.
  • the backdrop 28 represents a holding device which limits the longitudinal mobility of the rods 7, 8.
  • the link 28 is provided with a link slot 29 in which the rods 7, 8 are guided with link pins 30, 31.
  • the slot slot 29 extends within the groove 6 essentially horizontally or parallel to the longitudinal direction of the cross section of FIG. Outside of the groove 6, the link slot 29 is directed obliquely downward and can have recesses 32 for receiving the link pins 30, 31 of the rods 7, 8 when they are not within the groove 6.
  • the first rod 7 then has the lower position, while the second rod 8 is arranged close to the groove.
  • the end 19 is pulled through between the surface 12 and the rod 8 close to the groove.
  • the rod 8 is pushed into the groove 6 into a position close to the groove into its position shown in FIG. 12 or somewhat deeper, after which the material 18 is pressed into the groove 6, after which the rod 8 can be inserted.
  • the material 18 is then pulled at the free end 19, thus causing its tension.
  • the practical design of the link pins 30, 31 is achieved by stepping the ends of the rods 7, 8, a Seeger ring ensuring that the rods 7, 8 have a predetermined longitudinal position. The same effect is achieved if the ends of the rods 7, 8 are provided with cap screws, which therefore engage behind the link 28 when viewed from the rod. If both ends of the groove are provided with backdrops, it is not necessary to engage the backdrop 28. In Figure 12, the backdrop 28 is shown closed. This is only necessary if it is not ensured in any other way that the rods 7, 8 cannot accidentally get out of the link slot 29.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Screen Printers (AREA)
  • Advancing Webs (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Connection Of Plates (AREA)
  • Tents Or Canopies (AREA)
  • Discharge Heating (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
EP94918732A 1993-06-29 1994-06-24 Vorrichtung zur halterung von gespanntem bogenförmigem material und verfahren zum aufspannen dieses materials Expired - Lifetime EP0706458B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1947/93 1993-06-29
CH01947/93A CH687604A5 (de) 1993-06-29 1993-06-29 Spannrahmen zur Halterung von gespanntem bogenfoermigem Material und Verfahren zum Aufspannen dieses Materials.
PCT/DE1994/000722 WO1995001261A1 (de) 1993-06-29 1994-06-24 Vorrichtung zur halterung von gespanntem bogenförmigem material und verfahren zum aufspannen dieses materials

Publications (2)

Publication Number Publication Date
EP0706458A1 EP0706458A1 (de) 1996-04-17
EP0706458B1 true EP0706458B1 (de) 1997-02-19

Family

ID=4222316

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94918732A Expired - Lifetime EP0706458B1 (de) 1993-06-29 1994-06-24 Vorrichtung zur halterung von gespanntem bogenförmigem material und verfahren zum aufspannen dieses materials

Country Status (11)

Country Link
US (1) US5794528A (es)
EP (1) EP0706458B1 (es)
AT (1) ATE149016T1 (es)
CH (1) CH687604A5 (es)
CZ (1) CZ334595A3 (es)
DE (1) DE59401836D1 (es)
DK (1) DK0706458T3 (es)
ES (1) ES2098152T3 (es)
GR (1) GR3022620T3 (es)
PL (1) PL174892B1 (es)
WO (1) WO1995001261A1 (es)

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DE29516988U1 (de) * 1995-10-27 1997-03-06 Anton Hurtz GmbH & Co KG, 41334 Nettetal Klemmvorrichtung zum Spannen bogenförmigen Materials
US6991693B2 (en) * 1997-12-24 2006-01-31 Saint-Gobain Bayform America, Inc. Screen cloth insertion apparatus and method
US6279644B1 (en) 1997-12-24 2001-08-28 St. Gobain Bayform America Inc. Screen and frame assembly in which the screen is adhesively secured to the frame
US6331223B1 (en) 1997-12-24 2001-12-18 Saint-Gobain Bayform America, Inc. Method of fabricating adhesively secured frame assembly
US6805395B2 (en) * 2001-06-12 2004-10-19 Royer Real Tarpaulin rod securing device
EP2363105B1 (en) 2002-06-05 2014-01-08 Applied Medical Resources Corporation Wound retractor
US6977021B2 (en) * 2003-07-09 2005-12-20 Alumaroll Specialty Co., Inc. Screen assembly and method
US6945168B1 (en) * 2004-04-29 2005-09-20 Niswonger John O H Apparatus and method for a silkscreen
US7222445B2 (en) * 2005-08-22 2007-05-29 Stephen Schmidt Rug hooking frame
EP2272449B1 (en) 2005-10-14 2012-01-18 Applied Medical Resources Corporation Split hoop wound retractor
JP6005143B2 (ja) 2011-05-10 2016-10-12 アプライド メディカル リソーシーズ コーポレイション 開創器
SE536447C2 (sv) * 2012-03-27 2013-11-05 Induflex AB Spännanordning för att spänna ut en radomduk
ES2523705B1 (es) * 2013-05-28 2015-09-17 Francisco Jose MARTIN MARTINEZ Sistema de puesta en máquina para serigrafía compuesto por premarco entelado fijado a bastidor para formar plantilla de impresión
US9150086B1 (en) 2014-04-29 2015-10-06 Real Royer Tarpaulin retraction and extension device
KR102380957B1 (ko) 2014-08-15 2022-03-31 어플라이드 메디컬 리소시스 코포레이션 자연 개구 수술 시스템
CA2968846A1 (en) 2014-11-25 2016-06-02 Applied Medical Resources Corporation Circumferential wound retraction with support and guidance structures
US9573357B2 (en) 2014-12-12 2017-02-21 Patricia G. Bordeaux One-piece foam frame for mounting screen and/or screen stencil film to create screens for manual and small off-contact printing substrates
US10067353B2 (en) * 2015-03-09 2018-09-04 Ventana 3D, Llc Foil tensioning system for pepper's ghost illusion
CA2891283C (en) 2015-05-13 2022-03-22 Real Royer Tarpaulin retraction and extension device.
US10294714B2 (en) * 2015-06-24 2019-05-21 Milgard Manufacturing Incorporated Fenestration assembly
EP4238506A3 (en) 2015-10-07 2023-11-15 Applied Medical Resources Corporation Wound retractor with multi-segment outer ring
US11125012B1 (en) 2016-12-30 2021-09-21 The Ritescreen Company, Llc Reduced visibility window/door screen including a reduced frame profile and method of making same
WO2019123370A1 (en) * 2017-12-20 2019-06-27 Stamber S.R.L. Filtering panel
US10675957B2 (en) 2018-03-01 2020-06-09 Fabrication Elcargo Inc. Tarpaulin retraction and extension device
US11149491B1 (en) 2018-12-10 2021-10-19 Steven D. Ulsh Screen frame and adapter for universal installation within different sized window/door sockets
US11358451B2 (en) 2019-12-19 2022-06-14 Fabrication Elcargo Inc. Crank assembly for a tarpaulin retraction and extension device

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US3908293A (en) * 1974-09-19 1975-09-30 Stretch Devices Inc Screen tensioning and printing frame
US3962805A (en) * 1975-05-22 1976-06-15 Hamu Kaino J Gripping device
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DE3239319A1 (de) * 1982-10-23 1984-04-26 Elmar Dr. 8000 München Messerschmitt Klemmvorrichtung, insbes. fuer siebdruckrahmen
US5097761A (en) * 1990-08-31 1992-03-24 Hamu Kaino J Screen printing frame structure
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US5555653A (en) * 1995-01-27 1996-09-17 Morgan; Robert E. Craft hoop assembly

Also Published As

Publication number Publication date
EP0706458A1 (de) 1996-04-17
US5794528A (en) 1998-08-18
CZ334595A3 (en) 1996-05-15
PL312214A1 (en) 1996-04-01
GR3022620T3 (en) 1997-05-31
WO1995001261A1 (de) 1995-01-12
DE59401836D1 (de) 1997-03-27
PL174892B1 (pl) 1998-09-30
DK0706458T3 (da) 1997-08-25
ATE149016T1 (de) 1997-03-15
ES2098152T3 (es) 1997-04-16
CH687604A5 (de) 1997-01-15

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