WO2004035889A1 - Spindel für eine textilmaschine mit einer hülsenkupplung - Google Patents
Spindel für eine textilmaschine mit einer hülsenkupplung Download PDFInfo
- Publication number
- WO2004035889A1 WO2004035889A1 PCT/EP2003/011245 EP0311245W WO2004035889A1 WO 2004035889 A1 WO2004035889 A1 WO 2004035889A1 EP 0311245 W EP0311245 W EP 0311245W WO 2004035889 A1 WO2004035889 A1 WO 2004035889A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spindle
- retaining element
- driving body
- recess
- sleeve
- 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.)
- Ceased
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/02—Spinning or twisting arrangements for imparting permanent twist
- D01H7/04—Spindles
- D01H7/16—Arrangements for coupling bobbins or like to spindles
Definitions
- the invention relates to a spindle for a textile machine with a sleeve coupling according to the preamble of claim 1.
- sleeve couplings are known in which several button-like entrainment bodies, distributed around the spindle circumference, are arranged in blind holes.
- the driving bodies referred to as coupling buttons are hollow and hat-shaped. They engage with their edges in undercuts that are made in the blind holes.
- the driving bodies are made of resilient material so that they can be inserted into the blind holes.
- a spring is inserted into the blind holes together with the driving bodies. The spring constantly pushes the carrier body outwards.
- the sleeve is held by spring force. The force that must be overcome when attaching and removing the sleeve is relatively large. Since the driving body is thin-walled, the mass of the driving body is low.
- the force with which the driver body presses against the sleeve is largely applied only by the spring force.
- the spring force must be at least so great that the sleeve is taken safely. This relatively high force can hinder the bobbin change if the empty sleeve to be put on is only to be brought into the operating position by its own weight and for this purpose the driving body has to press against the spring force perpendicular to its direction of movement into the blind holes.
- a strong frictional force must be overcome both when pulling off and when plugging on. Due to the friction between the inside of the sleeve and driving body wear can occur, which roughen the inside of the sleeve.
- the roughening increases the coefficient of friction between the sleeve and the driving body and thus the sleeve pressing force even further during extended use. Sealing the inside of the blind hole against dirt is inadequate, since the thin-walled driving bodies often deform unevenly plastically when inserted and gaps between the surface of the blind hole and driving body can remain, which are present when the sleeve is attached.
- DE 43 23 068 AI shows a sleeve coupling
- the driving body designed as a thin-walled cap also are spring loaded. Additional mass bodies are inserted into the elastic, deformable driving bodies.
- the spring force and thus the resistance when pushing on the sleeve when the spindle is at a standstill can be kept lower and only amount to 30 to 70 percent of the value that is usually required, for example, for an exclusively spring-loaded driving body known from CH 464 751.
- CH 464 751 an exclusively spring-loaded driving body
- the generic DE 44 30 709 AI describes a sleeve coupling for spindles in which radial through holes are provided.
- Two essentially cylindrical entrainment bodies are fitted into the through bores.
- the driving bodies each have a convexly curved coupling surface with an adjoining conical contact surface on their end faces emerging from the radial through bores, which is called the shoulder.
- the shoulder should prevent the driving body from being thrown off the spindle barrel during operation of the spindle, that is to say when it rotates about the axis of rotation, if no sleeve should ever be fitted onto the spindle barrel.
- a corresponding counter surface is assigned to each shoulder on the outer circumference of the spindle running part.
- a spindle designed according to the invention is equipped with driving bodies which can be mounted in the recesses simply, quickly and accurately. Time-consuming deformation of the spindle by means of pressing tools during the assembly of the driving bodies is not necessary. It is also not necessary to partially design the spindle as a hollow spindle and to provide sealing caps to cover the cavity of the hollow spindle.
- the driving bodies according to the invention are robust and wear-resistant. The interior of the recesses and the mounting of the driving body on the spindle arranged therein are effectively protected against contamination. If dirt settles on the outer edge of the recess, it can be wiped off again by the driver body.
- the driving bodies are designed so that only the centrifugal forces caused by their mass are sufficient for secure holding and driving of the sleeve when the spindle rotates.
- the retaining elements secure the carrier bodies against falling out of the recess. A limited play of the entrainment body relative to the 'retaining member or to the spindle in the direction of its axis of rotation remains exist. If the retaining element is designed in such a way that it can be non-positively locked in the recess, there is no need to make undercuts in the manufacture of the recess. It is easy to insert.
- the disassembly of the driver body is not made difficult by form-fitting brackets that prevent removal. If the driver body and retaining element form a preassembled assembly, both the preassembly of the retaining element and driver body and also for the insertion are only required in a short amount of time. Little effort is also required to manufacture the two parts.
- a non-releasable connection of the driving body and the retaining element can be designed as a riveted connection and can thus be produced in a simple manner in terms of production technology.
- the retaining element can preferably be designed very simply, for example as a spring washer.
- the manufacturing effort for a guide function of the retaining element can be omitted.
- a driving body designed according to claim 6 advantageously uses the available space in recesses which are designed as blind holes in such a way that it has a particularly large mass.
- the insertion of the assembly is made easier.
- the conical shape of the driver body bulges the spring washer in the manner required for assembly.
- a spindle which is designed according to claim 7, enables a stable three-point mounting and centering in a single plane with the minimum number of only three driving bodies.
- the production of through bores is particularly simple in terms of production technology.
- two driver bodies can be used, which is twice the number of driver bodies compared to blind holes.
- the risk of unbalance is significantly lower in through holes compared to blind holes. Disassembly of the driver body is made easier.
- the coupling surface of the driving body that can be placed on the inside of the sleeve is shaped in such a way that it is adapted to the curvature of the spindle surface, the sleeve coupling no longer has any depressions in which dirt can settle. There is no need to chamfer the bores, as they are carried out in bores into which entrainment bodies with a dome-shaped coupling surface are inserted.
- the assembly to the preassembled assembly is simplified.
- a shaping manufacturing step for holding the assembly together such as forming a rivet head, which is necessary for the rivet connection described above, can be omitted.
- the holding head can be manufactured, for example, by deforming a bolt end or by machining before assembling the assembly.
- the preassembled subassembly which consists of a carrier body and a retaining element, can be inserted into the respective assembly immediately after assembly Recess of the spindle are used. This reduces the effort required for assembly.
- the retaining element which is designed according to claim 11, can be easily manufactured, but also the driver body that interacts with it. Retaining element and driving body can be easily put together and separated just as easily after the assembly has been removed. The separation can be carried out non-destructively.
- the recess can also be designed as a simple bore during manufacture and there is no need for undercuts.
- a ring represents a particularly simple and inexpensive design of the retaining element. Unwanted deformations of the retaining element, which can hinder the movement of the driving body, are avoided. The assembly of the driving body and retaining element is easy and can be carried out with little effort.
- the spindle according to the invention has a sleeve coupling which can be operated in a functionally reliable and low-pollution manner.
- the design is inexpensive to manufacture and quick and easy to assemble.
- Fig. 1 is a partial view of a spindle with a sleeve coupling according to the invention, the four Driver body includes, and with attached sleeve, partially cut,
- Fig. 3 shows a section through a spindle with a
- Sleeve coupling which comprises three driving bodies, which are each inserted in a blind hole
- FIG. 4 shows a section through a spindle, corresponding to FIG. 3, the catch bodies being locked by retaining elements which are designed as spring washers,
- FIG. 5 shows a section through a spindle, corresponding to FIG. 4, the coupling surfaces of the driving bodies being adapted to the rounding of the spindle surface
- FIG. 6 is a perspective view of the retaining element with a bolt of the driving body of FIG. 5, partly in section,
- FIG. 7 is a perspective view of an assembly consisting of a driving body and a retaining element before insertion into the spindle of FIG. 5,
- FIG. 8 is a perspective view of a driving body and a retaining element, which can be detachably connected to one another
- 9 is a perspective view of an assembly assembled from the carrier body and retaining element of FIG. 8 before being inserted into the spindle
- FIG. 10 shows a spindle in partial view, in which the driving bodies are locked by a retaining element which is designed as a ring, partly in section.
- a sleeve 2 is placed, which is held by a sleeve coupling.
- the sleeve coupling comprises driving bodies 3 designed as coupling buttons, two of which are inserted diametrically into two recesses designed as through bores 4, 5 and arranged at right angles to one another.
- the entrainment bodies 3 used in the through-bore 4 indicated by dashed lines are not shown completely.
- the driving body 3 are each held by retaining elements 6 and guided in a radially movable manner.
- Retaining elements 6 are non-positively locked in the through hole 4, 5 by means of a press fit.
- the driver body 3 engage with a bolt 7 through a centrally arranged round opening 8 of the retaining elements 6.
- the free end of the bolt 7 is formed into a retaining head 9 in the form of a rivet head so that the driver body 3 and the retaining elements 6 are inextricably linked to one another are.
- Driving body 3 and retaining elements 6 can be moved relative to one another to a limited extent. The extent of the movement depends on the selected length of the cylindrical part of the bolt 7.
- Carrier body 3 and retaining elements 6 are each assembled as an assembly before installation. Both the driver body 3 and the retaining elements 6 are rotationally symmetrical bodies.
- the cylindrical bolt 7 before assembly is inserted through the opening 8 of the retaining elements 6 and the free end of the bolt 7 is deformed into a retaining head 9 in the form of a rivet head.
- Driving body 3 and retaining element 6 are then inserted into spindle 1 as a preassembled assembly. This means that both pre-assembly and insertion can be carried out simply, quickly and inexpensively.
- the retaining elements 6 are inserted so deeply into the through bores 4, 5 that their " outward edge ends with the outer edge of the through bores 4, 5
- Through holes 4, 5 each have an Arifasung 10 at both ends.
- the chamfer 10 prevents the formation of angled depressions in which dirt can accumulate.
- the driving body 3 arranged on the left in the illustration in FIG. 1 assumes the position shown while the spindle 1 is at a standstill. In this position, the cylindrical part of the driving body 3 ends with the outer end of the retaining element 6.
- the outward end of the driving body 3, which forms the coupling surface 12, is shaped as a dome 11.
- the driving body 3 arranged on the right in the illustration in FIG. 1 assumes the position shown during the rotation of the spindle 1.
- the coupling surface 12 formed by the spherical cap 11 of this driving body 3 lies non-positively on the inside of the sleeve 2 and transmits the rotational movement of the spindle 1 to the sleeve 2.
- the cylindrical part of the driving body 3 protrudes in this Position slightly beyond the outer end of the retaining element 6.
- the sleeve clutch shown is a so-called four-point centrifugal clutch. All four assemblies, which are formed from the driving bodies 3 and the retaining elements 6, are identical in construction and can be easily and inexpensively manufactured in series production.
- all four driving bodies 3 assume the position shown using the example of the driving body 3 arranged on the right in the illustration in FIG.
- the driving bodies 3 assume the position shown in the example of the driving body 3 arranged on the left or a position lying between the two positions shown, depending in each case on how far the individual driving body 3 is pushed back into the through bore 4, 5 during doffing has been. Contamination of the interior of the through hole 4, 5 is prevented in the sleeve coupling according to the invention.
- the assembly used, consisting of driving body 3 and retaining element 6, seals the interior completely and reliably.
- FIG. 3 shows an alternative embodiment of the sleeve coupling according to the invention. It is a so-called three-point centrifugal clutch.
- this sleeve coupling instead of four identical driving bodies 3, as are required in the exemplary embodiment of FIGS. 1 and 2, only three identical driving bodies 27 are required for a functionally correct mounting and centering of the sleeve 15. All driving bodies 27 lie together with their central axes a plane running transversely to the central axis of the spindle 13. The section shown in Figure 3 across the spindle 13 lies in this plane.
- the retaining elements 14 are shorter than the retaining elements 6 shown in FIGS. 1 and 2.
- the retaining elements 14 are easier to insert into the recesses.
- the recesses are formed by blind holes 16.
- the blind holes 16 are each made only so deep that they do not overlap and a thin partition 17 remains between the blind holes 16.
- the partition 17 is star-shaped in the illustration in FIG. 3.
- the bores 16 form the guide for the driving bodies 27.
- the spindle 13, like the through bores 4, 5 of the spindle 1, has chamfers on the edge of the blind bore bores 16, which, however, cannot be seen in the illustration in FIG. 3.
- the coupling surface of the driving body 27 is designed as a spherical cap 18. In the position shown, the driving bodies 27 rest against the inner wall of the sleeve 15. This position is assumed when the spindle 13 rotates.
- FIG. 4 shows the spindle 13 with a sleeve coupling which comprises three identical driving body 19 each.
- the driving body 19 is guided through the inner surface of the blind hole 16 on its outer circumference and locked with a retaining element 20 designed as a spring washer.
- the end of the driving body 19 facing the retaining element 20 is conical. Due to the conical shape, the spring washer 20 is bulged for installation when the assembly formed from the driving body 19 and the spring washer 20 is inserted.
- the driving bodies 19 are shown in FIG. 4 in the position in which, when pressed into the spindle 13, they are in the inner end position. When the spindle 13 rotates, the driving bodies 19 move outward in the radial direction until they abut the inner wall of the sleeve 15 and take it with them.
- the formation of the driving body 19 leads to a relatively large mass. This has an advantageous effect on the magnitude of the force acting on the sleeve 15.
- FIG. 5 shows a cross section through the spindle 26, into which the three driving bodies 21, each of identical construction, are inserted.
- the driving body 21 is connected to a retaining element 22, which is also designed as a spring washer.
- the coupling surface of which is designed as a spherical cap
- the coupling surface 25 of the driving body 21 is cylindrical, so that it is adapted to the rounding of the spindle surface.
- the retaining element 22 does not have a circular, but a slit-shaped opening 23, as can be clearly seen in FIG. 6.
- the bolt 24 is flattened on two sides, as shown. In this way, the driving body 21 is always held in a rotationally fixed manner and, with its coupling surface 25, enables optimal contact with a sleeve to be carried.
- FIG. 7 shows the entrainment body 21 and the retaining element 22 as an assembly prior to installation in the spindle 26.
- the perspective view shows the cylindrical shape of the coupling surface 25.
- FIG. 8 shows a driving body 28 and a retaining element 29.
- the driving body 28 has one Bolt 30 and a holding head 31.
- Two overlapping bores 32, 33 of different sizes are made in the retaining element 29, which together form an opening 34.
- the center line 35 of the larger bore 32 runs offset and parallel to the axis of rotation 36 of the retaining element 29.
- the center line of the second smaller bore 33 coincides with the axis of rotation 36 of the retaining element 29.
- the diameter of the bore 32 is slightly larger than the diameter of the holding head 31, while the diameter of the bore 33 is smaller than the diameter of the holding head 31, but larger than the diameter of the bolt 30.
- the axis of rotation 37 of the driving body 28 is made to coincide with the center line 35 of the bore 32, as shown in FIG. 9.
- the holding head 31 prevents the driving body 28 and the retaining element 29 from separating, since its diameter is larger than the diameter of the bore 33, and only allows limited play in the axial direction between the driving body 28 and the retaining element 29.
- the assembly of driver body 28 and retaining element 29 shown in FIG. 9 is inserted with the retaining head 31 or retaining element 29 first into a recess in the spindle 1, 13, 26 provided for this purpose.
- Driving body 28 and retaining element 29 can, for example, be inserted into the recesses of the spindle 1, 13, 26 in the manner shown in FIG. 1 or in the manner shown in FIG. 3 and form a three-point centrifugal clutch or alternatively a four-point centrifugal clutch.
- the retaining element 29 is fixed in the recess, the driver body 28 remaining limitedly movable in the axial direction of the recess.
- the separation of the driving body 28 and the retaining element 29 can be carried out when the assembly is removed again. At least the driving body 28 can be reused after removal and separation of the driving body 28 and the retaining element 29.
- FIG. 10 shows a further alternative embodiment of the invention.
- the spindle 38 has recesses, of which only one recess is shown in FIG. 10 for reasons of simplification.
- the recess is designed as a simple blind hole 39.
- the entraining body 40 is held by a retaining element 41 designed as a ring, which in turn is firmly connected to the surface of the blind hole 39 by an adhesive 42.
- the ring 41 is pushed onto the driving body 40, the adhesive 42 is applied and the assembly formed from the ring 41 and driving body 40 is introduced into the recess. In this way, simple assembly is possible with little effort.
- the invention is not restricted to the exemplary embodiments described.
- the design as a centrifugal clutch according to the invention does not rule out, for example, that a helical spring can be arranged in the recess such that even when the spindle is stationary, a radially outward force on the driving body and thus a holder and a preliminary centering of the sleeve already at a standstill the spindle is effected.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005501283A JP2006503199A (ja) | 2002-10-11 | 2003-10-10 | 繊維機械用のスピンドル |
| EP03770966A EP1556532A1 (de) | 2002-10-11 | 2003-10-10 | Spindel für eine textilmaschine mit einer hülsenkupplung |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10247488 | 2002-10-11 | ||
| DE10247488.5 | 2002-10-11 | ||
| DE10342382A DE10342382A1 (de) | 2002-10-11 | 2003-09-13 | Spindel für eine Textilmaschine mit einer Hülsenkupplung |
| DE10342382.6 | 2003-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004035889A1 true WO2004035889A1 (de) | 2004-04-29 |
Family
ID=32108778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2003/011245 Ceased WO2004035889A1 (de) | 2002-10-11 | 2003-10-10 | Spindel für eine textilmaschine mit einer hülsenkupplung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1556532A1 (de) |
| JP (1) | JP2006503199A (de) |
| WO (1) | WO2004035889A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008504463A (ja) * | 2004-06-29 | 2008-02-14 | テクスパーツ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 遠心力作動式スリーブクラッチ |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3055609A (en) * | 1960-10-04 | 1962-09-25 | Edward J Courtney | Adapter for tubular bobbins |
| DE4318027A1 (de) * | 1993-05-29 | 1994-12-01 | Stahlecker Fritz | Hülsenkupplung für eine Spindel einer Textilmaschine |
| US5402952A (en) * | 1991-09-21 | 1995-04-04 | Fritz Stahlecker | Tube coupling system for a spinning or twisting spindle |
| DE4430709A1 (de) * | 1994-08-30 | 1996-03-07 | Novibra Gmbh | Hülsenkupplung für Spindeln von Spinn- oder Zwirnmaschinen |
| DE19537762A1 (de) * | 1995-10-11 | 1997-04-17 | Spindelfabrik Hartha Gmbh | Hülsenkupplung für eine Spindel einer Spinn- oder Zwirnspindel |
-
2003
- 2003-10-10 WO PCT/EP2003/011245 patent/WO2004035889A1/de not_active Ceased
- 2003-10-10 JP JP2005501283A patent/JP2006503199A/ja active Pending
- 2003-10-10 EP EP03770966A patent/EP1556532A1/de not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3055609A (en) * | 1960-10-04 | 1962-09-25 | Edward J Courtney | Adapter for tubular bobbins |
| US5402952A (en) * | 1991-09-21 | 1995-04-04 | Fritz Stahlecker | Tube coupling system for a spinning or twisting spindle |
| DE4318027A1 (de) * | 1993-05-29 | 1994-12-01 | Stahlecker Fritz | Hülsenkupplung für eine Spindel einer Textilmaschine |
| DE4430709A1 (de) * | 1994-08-30 | 1996-03-07 | Novibra Gmbh | Hülsenkupplung für Spindeln von Spinn- oder Zwirnmaschinen |
| DE19537762A1 (de) * | 1995-10-11 | 1997-04-17 | Spindelfabrik Hartha Gmbh | Hülsenkupplung für eine Spindel einer Spinn- oder Zwirnspindel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008504463A (ja) * | 2004-06-29 | 2008-02-14 | テクスパーツ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 遠心力作動式スリーブクラッチ |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006503199A (ja) | 2006-01-26 |
| EP1556532A1 (de) | 2005-07-27 |
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