EP1358369A2 - Verfahren und vorrichtung zur herstellung von im wesentlichen endlosen feinen fäden - Google Patents
Verfahren und vorrichtung zur herstellung von im wesentlichen endlosen feinen fädenInfo
- Publication number
- EP1358369A2 EP1358369A2 EP01985429A EP01985429A EP1358369A2 EP 1358369 A2 EP1358369 A2 EP 1358369A2 EP 01985429 A EP01985429 A EP 01985429A EP 01985429 A EP01985429 A EP 01985429A EP 1358369 A2 EP1358369 A2 EP 1358369A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cfl
- threads
- spinning
- laval nozzle
- thread
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
Definitions
- the invention relates to a method for producing 5 fine threads from solutions of polymers of natural or synthetic origin and devices for their production.
- Fine threads also called micro threads, mostly all sorts of microfibers of finite length, have been produced using a hot air blow spinning process, so-called meltblown process, for many years, and there are different devices for this today. It is all the same that in addition to a series of melt bores - also several rows parallel to one another have become known - hot air escapes which warps the threads. By mixing with the colder ambient air, these threads or finally long fibers are cooled and solidified, because the threads often tear, often undesirably.
- meltblown processes have also become known for the formation of finally long fibers from Lyocell masses, i.e. spun from a solvent, usually NMMO (N-methylmorpholine-N-oxide), dissolved cellulose, e.g. W098 / 26122, WO98 / 07911, W099 / 47733.
- NMMO N-methylmorpholine-N-oxide
- dissolved cellulose e.g. W098 / 26122, WO98 / 07911, W099 / 47733.
- French patent specification 2,735,794 describes a process in which a cellulosic mass from one or more spinning bores is split into individual particles by bursting (eclatement) and these are drawn into finely long fibers by the gas flow. The process of fiber formation occurs in turbulent flow conditions.
- Lyocell threads from solution masses are the spin-proof ⁇ . ⁇ > o c ⁇ o c ⁇ o c ⁇
- Acceleration of the gas decreases in fluidic law its pressure.
- the conditions of the temperature of the spinning mass, the gas flow and its rapid acceleration are so coordinated that the thread, before it solidifies, reaches a hydrostatic pressure inside it which is greater than the surrounding gas pressure, so that the thread bursts and collapses divided into a multitude of fine threads side by side. Threads and air leave the chamber through a gap at the bottom. The bursting occurs in or after the gap and under otherwise unchanged conditions surprisingly stable at a certain point.
- gas and thread flow run parallel, the flow boundary layer around the threads being laminar.
- the original thread monofilament is continued to be spliced without beads and tears.
- a multifilament is made from a monofilament of much finer threads using a gas flow of ambient temperature or slightly above it.
- the threads can continue to be drawn after the point of attachment until they have solidified. This happens very quickly because of the suddenly created larger thread area.
- the threads are endless. To a lesser extent, technical interferences can lead to long threads, but the endless fine individual filaments are predominant.
- the spinning masses used in DE 199 29 709 are meltable polymers. These are of synthetic or natural origin. Of the fibers based on natural raw materials, those of the renewable raw material cellulose are of particular interest. It has been shown that this method of splice threads can also be applied to Lyocell spinning masses by dissolving cellulose in N-methylmorpholine-N-oxide and water and pressing it out into threads through spinning bores. Other solvents can also be used, but NMMO has proven to be the most suitable so far.
- the spinning mass present as a solution is spun out, as described above, and the threads pass through the air gap specified by the Laval nozzle, in which they are drawn to thinner diameters, and then pass into a water bath, in which the cellulose coagulates and the solvent gets into the water bath, which is renewed because of the constant enrichment and the solvent is taken back.
- a special feature of the method according to the invention is that the accompanying gas, generally air, flow accompanies the liquid solution mass threads shortly after they emerge from the spinning bore and is distorted by shear stress. This provides them with orientation and cooling, both of which lead to increasing strength and a reduction in the number of harmful tears, even leading to their complete prevention.
- the gas flow is delayed and the threads are no longer subject to the initial tension due to their higher speed, but remain endless and are carried away even when they are torn off by the air flow. It is still the threads of the initial solution mass, if one does not already begin to precipitate the cellulose by blowing in steam or water, for example.
- threads can be placed on a sieve belt and separated from the accompanying gas flow, as is known in spunbonding processes.
- the gas (air) passes through the screen belt and is sucked off below it, and the threads deposited on the nonwoven are now only fed to the precipitation bath.
- the thread formation and storage room is easily accessible because distances of 1 and 2 m between the nozzle outlet and the fall arrester can be achieved.
- threads can be spun out in the same way according to the method according to the invention and separated from the accompanying gas flow by suctioning them off to the side in a device similar to that in FIG German patent 42 36 514 is provided.
- the individual threads or also several as yarns are then fed to the cellulose case devices for coagulation and wound up on bobbins.
- polylactide PLA polylactic acid
- PLA materials have the special property that they are biodegradable, whereby the decomposition, ie the decomposition into C0 2 and H 2 0, can also be set for a certain period of time, and that they are body-friendly.
- the splicing process enables very fine threads to be to deliver, as otherwise only with the disadvantages of the melt-blown process - large amounts of air must be raised to at least melt temperature, whereby the polymers are mostly damaged - can be obtained.
- thread-forming plastic solutions of very different types, of natural or synthetic origin can not only be shaped into threads by pressing them out of round or profiled individual openings and then drawing gas or air currents, but that splice threads are used in a very similar way How the monofilaments made from single openings can be made from films.
- the spinning mass is pressed out of an elongated, slit-shaped nozzle, as mentioned above, into a chamber which is separated from the environment and is subjected to a certain pressure to which gas, for example air, is supplied, the film being in an area of rapid acceleration of the gas at the outlet from the chamber enters a longitudinal gap.
- gas for example air
- Single threads that can then also be wound up can be spliced not produced by films, but nonwovens are.
- These spunbonded webs made of randomly deposited individual threads of different thread diameters can have advantages and are more like natural materials, in which there is also a larger spectrum of different individual elements that compose them, here fibers and threads, as in leather and wood, whose different individual fibers are their special and mostly advantageous Identify properties.
- the temperature of the spinning mass is of the greatest influence, because it determines viscosity and thus filament capacity and surface tension and thus pressure formation in the monofilament and in the film. It is therefore not desirable to cool the thread too early; on the contrary, an increase in the temperature shortly after exiting the spinning opening can be advantageous.
- the fanning mechanism is similar in monofilament and film, but not the same. With monofilaments, bursting occurs when the pressure inside is greater than that in the surrounding gas flow. In the splicing process, this occurs in that the thread diameter decreases in addition to the generally small influence of gravity due to an accompanying gas flow, which accelerates continuously and the pressure in the gas decreases according to the fluid dynamics laws.
- the surface tension increases the pressure in the liquid monofilament.
- the individual threads are split open due to the monofilament bursting when the liquid skin can no longer hold the thread together.
- different pressures arise across the width of the film, namely that they are higher at the edges due to the surface tension due to the curvature there.
- Such films are fundamental unstable, even if the gas flow is kept laminar as long as possible according to the invention.
- the area of strong acceleration and pressure reduction in the gas flow is realized according to the invention in the form of a rotationally symmetrical or elongated Laval nozzle with a convergent contour to a narrowest cross section and then rapid expansion, the latter already so that the newly formed individual threads running next to one another cannot adhere to the walls ,
- the pressure in the chamber is selected appropriately (for air about twice as high as the ambient pressure behind it), the speed of sound can be found and in the extended part of the Laval nozzle, the speed of sound can be supersonic.
- spinnerets For the production of nonwoven fabrics (spunbonded fabrics), spinnerets with spinning bores arranged in rows and in a rectangular or slot shape and Laval nozzles with a rectangular cross section are used. Round nozzles with one or more spinning holes and rotationally symmetrical Laval nozzles can also be used for the production of yarns and for special types of nonwoven fabric production.
- the advantage of the present invention is that fine threads in the range below 10 ⁇ m, for example between 2 and 5 ⁇ m, can be produced in a simple and economical manner, which in the case of pure warping, for example by the meltblown method, only heats up above the melting point Gas (air) jets too Is brought about and thus requires considerably more energy.
- the threads are not damaged in their molecular structure by excess temperatures, which would lead to reduced strength, which can then often be rubbed out of a textile dressing.
- Another advantage is that the threads are endless or quasi endless and do not protrude from a textile dressing such as a fleece and can be removed as lint.
- the device for realizing the method according to the invention is simple.
- the spinning bores of the spinneret as well as the slot nozzle can be larger and therefore less susceptible to faults.
- the accuracy of the Laval nozzle cross-section does not require the narrow tolerances of the side air slots of the meltblown
- a further development of the invention is to cool the solution cone, round as a monofilament or wedge-shaped as a film, as little as possible before the fanning out and, in addition, to heat it to a higher temperature.
- heaters shielded from the gas flow are installed on both sides of the outlet openings - row of holes or slot.
- these heaters bring heat to the outside of the spinning mass in the area of the outlet opening and give it a temperature increase where it allows a higher speed and thus higher heat transfer
- the heaters are of the type that they transfer heat to the conical or wedge-shaped part of the deforming spinning mass by radiation.
- Fig. 1 is a schematic sectional view of part of an apparatus for producing
- FIG. 2 shows a perspective view of a device according to the invention according to an exemplary embodiment with a line nozzle and spinning bores for the production of Lyocell nonwovens from micro threads
- Fig. 3 is a photo of a micrograph of PP splice threads, produced according to Example 3 by bursting a melt film, and
- FIG. 4 shows a photo of PP splice threads under the conditions corresponding to FIG. 3, produced by splicing monofilaments.
- a spinneret 1 shows a section through the lower part of a spinneret 1 and an associated Laval nozzle, this section both for a rotatin-symmetrical spinneret that spins a thread or a monofilament and a rotationally symmetrical Laval nozzle, as well as for a slotted nozzle. or a rectangular spinneret that spins a film and applies a correspondingly rectangular Laval nozzle. There can also be a spinneret with several spinning bores arranged in series with a corresponding elongated bore Laval nozzle may be provided.
- the spinneret 1 Underneath the spinneret 1 there is a plate 11, 11 'with a gap 12 ", which is seen as converging from the spinneret and is then slightly divergent and widens considerably at the lower edge of the plate 11, 11', whereby the Laval nozzle
- the spinneret or the spinning bores of the spinnerets end just above the Laval nozzle or in the upper plane of the plate 11, 11 ', and the spinneret 1 can optionally also protrude slightly into the opening 12.
- the spinneret 1 Between the spinneret 1 and the plate 11, 11 'there is a closed space, to which gas is supplied according to the arrows 6, 6', for example by a compressor.
- the gas which can be air, is usually at ambient temperature, but can also have a somewhat higher temperature, for example 70 ° to 80 °, due to the compression heat from the compressor.
- the spinneret 1 is surrounded by an insulating arrangement 8, 8 ', which serves to shield the spinneret heated to the spinning temperature against heat losses, an air gap 9 advantageously also being provided between the spinneret 1 and the insulating arrangement 8, 8'.
- the spinneret 1 has an outlet opening 4, in the area of which a heater 10, 10 'is attached, which in the
- Embodiment is designed as a flat heating tape and is advantageously insulated against the insulating arrangement 8, 8 'to avoid heat loss through parts 13 and 13'.
- the space below the plate 11, 11 ' usually has ambient pressure, ie atmospheric pressure, while the gas in the space between the spinneret 1 and the plate 11, 11' is at an increased pressure.
- the space below the plate 11, 11 ' can be somewhat less than the ambient pressure have increased pressure, for example by a few millibars, which is required for further processing, such as fleece laying or other thread-gathering devices.
- a thread 5 or a film is formed, which in its further course due to the gas flow coming laterally from above along the arrows 6, 6 ′ drawn in between the contour of the surfaces of the plate 11, 11 ′ and the outer surfaces 7, 7 'of the insulating arrangement 8, 8' runs, reduced in diameter or in width.
- the heater 10, 10 heats the capillary of the outlet opening 4 from the outside and can heat up the spinning mass flowing past it with its lower part by appropriate extension, essentially by radiation.
- the thread 5 or the film passes into the constriction 12 'of the flow cross-section formed by the parts 11, 11' of the plate
- the thread 5 bursts or splices when the thread jacket can no longer hold the solution thread together against the internal pressure that has grown with the thread constriction.
- the monofilament is then divided into individual threads, which cool down rapidly due to the temperature difference between the solution and cold gas or air and the suddenly large surface area of the individual threads, based on the thread mass.
- a certain number of very fine, essentially endless individual threads has thus arisen.
- the phenomenon of splicing often does not occur or only occurs here and there, ie in FIG. 1 the thread spinning out would continue.
- the thread is distorted by the laminar gas flow at a constantly increasing speed, so that ultimately fine threads result due to the cellulose content being around or below 10%.
- the solution film also tears open just below the Laval nozzle, the pressure conditions in the film differing across the width before the fanning out and the film becomes unstable. Shortly before the fanning out, there are furrows and scoring across the film width and then there are breakthroughs of threads with small but larger diameters.
- FIG. 2 shows the perspective view of a plant for the method according to the invention, in which a lyocell mass 130 is fed to a device 30 and a fleece 20 is obtained therefrom.
- the device 30 for producing essentially endless threads corresponds to the arrangement according to FIG. 1, with a plurality of spinnerets or spinning bores corresponding to FIG. 1 being arranged in series and the Laval nozzle being elongated or in the form of a rectangle. Thread monofilaments emerge from the individual spinning bores, taper due to the thrust forces of the gas flow and, if necessary, splicing, in Lyocell's work less, in the lower part of the gap of the Laval nozzle (not shown) or somewhat below to form several threads. At Lyocell, essentially single threads are spun out.
- the forces required for the deformation are shear stress forces (in addition to the very low effect of gravity) which do not stress the thread as tensile forces over the thread cross-section, as a result of which tear-off hardly occurs.
- the coagulation of the dissolved thread polymer, here cellulose for lyocell threads, in a solvent, here NMMO, can already be initiated between spinning device 30 and storage surface 51 by blowing water mist or steam sideways against the thread sheet, i.e. where the suction boxes described above for Air 110, 110 'are attached and thus moist air or steam can now be introduced into the thread sheet in exactly the opposite way to the discharged air.
- the effect of this is that the threads on the outside are already enriched in the cellulose fraction before they are applied and that a bond between them is not as strong as if they were laid down to form a fleece without the like.
- the fleece is then introduced into a precipitation bath, after which it is only self-bound by pressing rollers or between a drum, also heated, and the screen belt. Because the lyocell threads produced are soft and already adhere to one another when they are connected to one another under only slight pressure. This autogenous connection is another particular advantage in the production of nonwovens from lyocell threads. If the coagulation has already started, the bond is not as strong and softer nonwovens with a textile handle are obtained compared to the previously not sprayed, only fleeces drawn through the precipitation bath, which are more compact and have a harder, paper grip.
- a solution of 13% cellulose in an aqueous NMMO solution of 75% and 12% water was fed to a spinning device from a spinneret with a hole and a round Laval nozzle, the individual spinning hole having a diameter of 0 , 5 mm.
- the solution is produced on an industrial scale and metered to the spinning device directly via pumps that deliver it.
- the temperature of the Lyocell spinning mass at the extruder outlet was 94 ° C.
- the Laval nozzle had a width in the narrowest cross-section of 4 mm and a total length, measured from the plane where its constriction begins, to a strong expansion shortly after the narrowest cross-section, of 10 mm.
- Table 1 shows the settings 1-11.
- the special influence of the heater 10 of the nozzle tip can be seen, as a result of which the spinning mass obtained an elevated temperature shortly before it emerged from the spinning bore, and clearly above its original temperature of 94 ° C.
- the threads were only partially spliced, essentially not at individual settings, in particular with lower air pressure and lower temperature. You can convince yourself of this by comparing the thread speed, calculated from the measured throughput of the spinning mass and the mean final thread diameter, corrected for the diameter reduction by the solvent removal with the highest air speed that occurs, ie that in the Laval nozzle gap (if no supersonic speed occurs thereafter). If this is higher, the threads can be spliced - the more the speeds differ.
- the speed of the air in the narrowest cross section of the Laval nozzle u Le and the speed u F50 that a Lyocell thread would have before entering the precipitation bath with a later average diameter d 50 are also listed . If this is greater than u Le , there may be a fanning out. To do this, however, the values would have to differ very significantly, since a finer diameter than the arithmetical value corresponds to the maximum air speed during the spinning process, that is to say in the narrowest gap of the Laval nozzle, also due to the side peeling off of the main stream or the depleted cellulose concentration at this point can be.
- the thread diameter can be reduced further by increasing the temperature of the solution before it exits the spinning bore, but the temperature is limited here because the solution decomposes, so that the shortest possible dwell times under elevated temperature are selected by designing the melting spaces in the lower part of the spinneret.
- the proportion of individual threads with u F> u Le increased in one setting, more or less like No. 7 in Table 2.
- the diameter of the essentially endless threads can be controlled, as examples 1 and 2 show.
- the throughput per spinning hole is, as in all the cases mentioned, higher than with the meltblown process for Lyocell that has become known. The reason is the high shear stresses due to the strongly accelerated flow, namely a start-up flow, with very thin boundary layers on the thread.
- FIG. 3 shows the photo of a microscopic picture of the PP splice threads according to Example 2. 4 shows, for comparison, polypropylene splice threads which were spun out from a round spinning bore with a diameter of 1 mm at a throughput of 3.6 g / min per bore under otherwise identical conditions.
- the threads in Fig. 4 had an average diameter of 8.6 mm, their coefficient of variation was 48%.
- the present description of the method according to the invention and its devices can also be applied to other solvent-spun thread polymers, for example also to conventional viscose or rayon threads and their further processing to nonwovens or yarns.
- the device is simple, the energy consumption is much lower compared to the meltblown process and surprisingly large diameters can be used for spinning bores and slots due to the high warpage due to the thrust forces at speed up to the speed of sound and also above it by means of its generation in a Laval nozzle. This means that impurities in the spinning mass are no longer so critical with regard to thread breaks.
- lyocell threads In the case of lyocell threads, higher proportions of hemicellulose can be processed into threads, and the degree of polymerization of cellulose (DP) can also be lower, which means that the raw materials are generally cheaper because there are no high tensile forces on the lyocell threads as they are formed than fine threads be exercised from the solvent.
- DP degree of polymerization of cellulose
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Artificial Filaments (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10065859 | 2000-12-22 | ||
DE10065859A DE10065859B4 (de) | 2000-12-22 | 2000-12-22 | Verfahren und Vorrichtung zur Herstellung von im Wesentlichen endlosen feinen Fäden |
PCT/EP2001/015136 WO2002052070A2 (de) | 2000-12-22 | 2001-12-21 | Verfahren und vorrichtung zur herstellung von im wesentlichen endlosen feinen fäden |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1358369A2 true EP1358369A2 (de) | 2003-11-05 |
EP1358369B1 EP1358369B1 (de) | 2004-08-18 |
Family
ID=7669514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01985429A Expired - Lifetime EP1358369B1 (de) | 2000-12-22 | 2001-12-21 | Verfahren und vorrichtung zur herstellung von im wesentlichen endlosen feinen fäden |
Country Status (10)
Country | Link |
---|---|
US (1) | US7922943B2 (de) |
EP (1) | EP1358369B1 (de) |
CN (1) | CN1322181C (de) |
AT (1) | ATE274075T1 (de) |
AU (1) | AU2002234596A1 (de) |
CA (1) | CA2432790C (de) |
DE (2) | DE10065859B4 (de) |
ES (1) | ES2227307T3 (de) |
RU (1) | RU2265089C2 (de) |
WO (1) | WO2002052070A2 (de) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010019910A1 (de) | 2010-05-04 | 2011-11-10 | Lüder Gerking | Spinndüse zum Spinnen von Fäden, Spinnvorrichtung zum Spinnen von Fäden und Verfahren zum Spinnen von Fäden |
AT503625B1 (de) * | 2006-04-28 | 2013-10-15 | Chemiefaser Lenzing Ag | Wasserstrahlverfestigtes produkt enthaltend cellulosische fasern |
EP3144376A1 (de) | 2015-09-16 | 2017-03-22 | Lenzing Aktiengesellschaft | Verwendung einer lyocell-faser |
WO2018071928A1 (en) | 2016-10-21 | 2018-04-26 | Lenzing Ag | Process and device for the formation of directly-formed cellulosic webs |
EP3385427A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit faserdurchmesserverteilung |
EP3385433A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit massgeschneiderter flüssigkeitsabsorbtionsfähigkeit |
EP3385428A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaserstoff mit fasern mit nichtkreisförmigem querschnittt |
EP3385432A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit extrem niedrigem schwermetallgehalt |
EP3385431A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit homogen verflochtenen fasern |
EP3385426A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit erhöhtem wasserhaltevermögen und geringem grundgewicht |
EP3385429A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit faserverbundenen, strahlungsableitenden teilchen |
EP3385434A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit verschmolzenen fasern |
EP3385435A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit verschiedenen porensätzen |
EP3385425A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit erhöhter ölabsorptionsfähigkeit |
EP3385430A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Optisch transparenter nasser cellulosefaservliesstoff |
WO2018184045A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Ag | A nonwoven web designed for use as a hot cooking oil filter media |
WO2018184051A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Ag | A nonwoven material designed for use in absorbent core structures with intrinsic acquistion/distribution capabilities |
WO2018184046A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Ag | A nonwoven material designed for use as filter media |
EP3604652A1 (de) | 2018-07-31 | 2020-02-05 | Lenzing Aktiengesellschaft | Vliesstoff, verwendung des vliesstoffes und wischtuch, trocknertuch sowie gesichtsmaske enthaltend den vliesstoff |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10240191B4 (de) | 2002-08-28 | 2004-12-23 | Corovin Gmbh | Spinnvlies aus endlosen Filamenten |
DE20220451U1 (de) | 2002-08-28 | 2003-08-14 | Corovin Gmbh, 31224 Peine | Spinnvlies aus endlosen Fasern |
ITMI20030805A1 (it) | 2003-04-17 | 2004-10-18 | Orlandi Spa | Non-tessuto a base di fibre esplose o fibre multicomponenti splittabili. |
DE20308475U1 (de) | 2003-05-16 | 2003-09-18 | Corovin Gmbh, 31224 Peine | Vorrichtung zur Herstellung von Spinnvliesen aus Filamenten |
DE10348865A1 (de) * | 2003-10-21 | 2005-05-25 | Gerking, Lüder, Dr.-Ing. | Spinndüse mit innerer Heizung für Spinnvliese und Garne |
DE102004024065A1 (de) * | 2004-05-13 | 2005-12-08 | Zimmer Ag | Verfahren zum Herstellen von Endlosformkörpern und Spinnkopf |
DE202004021610U1 (de) | 2004-07-29 | 2009-07-02 | Ahlstrom Corp. | Weicher und dreidimensionaler Vliesstoff |
DE102006012052A1 (de) * | 2006-03-08 | 2007-09-13 | Lüder GERKING | Spinnvorrichtung zur Erzeugung feiner Fäden durch Spleißen |
US20090312731A1 (en) * | 2006-04-28 | 2009-12-17 | Lenzing Aktiengesellschaft | Nonwoven Melt-Blown Product |
US7666343B2 (en) | 2006-10-18 | 2010-02-23 | Polymer Group, Inc. | Process and apparatus for producing sub-micron fibers, and nonwovens and articles containing same |
DK1936017T3 (da) * | 2006-12-22 | 2013-11-04 | Reifenhaeuser Gmbh & Co Kg | Fremgangsmåde og indretning til fremstilling af spunbonded stof af cellulosefilamenter |
TWI316099B (en) * | 2007-01-12 | 2009-10-21 | Taiwan Textile Res Inst | Apparatus and method for manufacturing nonwoven fabric |
CN101688330A (zh) * | 2007-07-10 | 2010-03-31 | 纳幕尔杜邦公司 | 用于制造亚微米直径的纤维和由此类纤维构成的纤维网的方法及设备 |
AT505621B1 (de) * | 2007-11-07 | 2009-03-15 | Chemiefaser Lenzing Ag | Vefahren zur herstellung eines wasserstrahlverfestigten produktes enthaltend cellulosische fasern |
TWI337634B (en) * | 2007-12-27 | 2011-02-21 | Taiwan Textile Res Inst | Apparatus and method for manufacturing nonwoven fabric |
US20100007042A1 (en) * | 2008-07-09 | 2010-01-14 | Simmonds Glen E | Method and apparatus for making submicron diameter fibers and webs there from |
EP2284306B1 (de) * | 2009-08-05 | 2011-10-12 | ETTLIN Spinnerei und Weberei Produktions GmbH & Co. KG | Anordnung zur Erzeugung von Lichteffekten |
US8980158B2 (en) * | 2010-10-07 | 2015-03-17 | Physical Sciences, Inc. | Near field electrospinning system for continuous, aligned fiber tows |
PT2532775E (pt) * | 2011-06-07 | 2013-11-28 | Gessner Ag | Substrato têxtil feito de múltiplos e diferentes materiais descartáveis e/ou recicláveis, utilização de um tal substrato têxtil, e método para reutilização de um tal substrato têxtil |
EP2565303A1 (de) * | 2011-09-02 | 2013-03-06 | Aurotec GmbH | Extrusionsverfahren |
CN104582945A (zh) | 2012-08-13 | 2015-04-29 | 宝洁公司 | 带有视觉上不同的粘结部位的多层的非织造纤维网及制备方法 |
EP2999447B1 (de) | 2013-05-20 | 2019-10-23 | The Procter and Gamble Company | Vliesnetze mit visuell unterschiedlichen bindungsstellen und verfahren zur herstellung |
EP2824224A1 (de) | 2013-07-08 | 2015-01-14 | Gerking, Lüder | Spinnvliese und Fäden aus ligninhaltigen faserbildenden Polymeren |
CN103510164B (zh) * | 2013-09-26 | 2016-06-29 | 苏州大学 | 应用于制备纳米纤维的熔喷喷嘴部件及喷嘴装置 |
DE102016217048B4 (de) | 2016-09-07 | 2019-10-10 | Nanoval Gmbh & Co. Kg | Verfahren zu Herstellung von Cellulose-Filamenten, damit hergestellte Spinnvliese sowie deren Verwendung |
CN106637542B (zh) * | 2016-12-02 | 2019-06-25 | 武汉纺织大学 | 一种利用熔喷超细纤维进行环锭纺纱的装置和方法 |
CN107201559B (zh) * | 2017-07-17 | 2023-04-25 | 吉林农业大学 | 一种珠头喷头静电纺丝装置 |
CN107345318B (zh) * | 2017-08-29 | 2023-04-28 | 湖北省鄂龙工贸有限公司 | 一种用于溶剂式纳米纤维生产的喷头机构 |
ES2965516T3 (es) | 2017-10-06 | 2024-04-15 | Chemiefaser Lenzing Ag | Dispositivo para la extrusión de filamentos y fabricación de materiales no tejidos hilados |
EP3466388B1 (de) | 2017-10-06 | 2020-05-20 | The Procter & Gamble Company | Saugfähiger artikel mit einem vliesmaterial mit antimonfreiem polyethylenterephthalat |
EP3466385B1 (de) | 2017-10-06 | 2020-05-27 | The Procter & Gamble Company | Absorbierender artikel oder wischtuch mit einem vliesmaterial mit zweikomponentenfasern mit antimonfreiem polyethylenterephthalat |
EP3467161A1 (de) * | 2017-10-06 | 2019-04-10 | Lenzing Aktiengesellschaft | Verfahren zur herstellung eines cellulosischen filaments der gattung lyocell |
CN115627592A (zh) * | 2018-03-28 | 2023-01-20 | 东洋纺株式会社 | 网状结构体制造装置和网状结构体的制造方法 |
CN109695099A (zh) * | 2019-02-28 | 2019-04-30 | 欣龙控股(集团)股份有限公司 | 一种新型纺丝水刺非织造材料及其生产方法 |
BR112021022300A2 (pt) | 2019-05-17 | 2021-12-28 | Chemiefaser Lenzing Ag | Método e dispositivo para limpeza de fieira durante a produção de não tecido celulósico de filamento contínuo (spunbond) |
EP3812489A1 (de) * | 2019-10-23 | 2021-04-28 | Lenzing Aktiengesellschaft | Walzenoberfläche für die lyocell-filamentherstellung |
US12037713B2 (en) | 2020-01-10 | 2024-07-16 | Kimberly-Clark Worldwide, Inc. | Method of making uniform spunbond filament nonwoven webs |
CN111910262B (zh) * | 2020-08-04 | 2022-04-15 | 冯建国 | 熔喷式无纺布制作设备、方法、熔喷式无纺布与卫生用品 |
US20220314854A1 (en) * | 2021-03-31 | 2022-10-06 | Lear Corporation | Seat support |
CN113502549B (zh) * | 2021-05-28 | 2022-10-28 | 中国石油化工股份有限公司 | 一种熔喷纺丝组件 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3145011A1 (de) | 1981-11-12 | 1983-05-19 | Rheinhold & Mahla Gmbh, 6800 Mannheim | Verfahren und vorrichtung zur herstellung von wollefasern |
IT1151747B (it) * | 1982-04-27 | 1986-12-24 | Montedison Spa | Fibre sintetiche bicomponenti atte a sostituire le fibre celulosiche in campo cartorio ed extracartario, e procedimento per la loro preparazione |
DE3810596A1 (de) | 1988-03-29 | 1989-10-12 | Bayer Ag | Feinstfasern aus polyphenylsulfid |
DE4040242A1 (de) * | 1990-12-15 | 1992-06-17 | Peter Roger Dipl Ing Nyssen | Verfahren und vorrichtung zur herstellung von feinstfasern aus thermoplastischen polymeren |
DE4236514C2 (de) | 1992-10-26 | 1997-03-27 | Fischer Karl Ind Gmbh | Verfahren und Vorrichtung zur Förderung und Ablage von Scharen endloser Fäden mittels Luftkräften |
FR2735794B1 (fr) * | 1995-06-26 | 1997-09-19 | Elysees Balzac Financiere | Procede de preparation d'un melange de fibres et de microfibres cellulosiques |
CN1230579C (zh) | 1996-08-23 | 2005-12-07 | 韦尔豪泽公司 | 形成里奥赛尔纤维的方法 |
US6210801B1 (en) | 1996-08-23 | 2001-04-03 | Weyerhaeuser Company | Lyocell fibers, and compositions for making same |
GB9625634D0 (en) * | 1996-12-10 | 1997-01-29 | Courtaulds Fibres Holdings Ltd | Method of manufacture of nonwoven fabric |
DE19744942C1 (de) * | 1997-10-10 | 1999-07-01 | Hoechst Ag | Emissionsarme Modifizierungsmittel für Melamin-Tränkharze |
GB2337957A (en) * | 1998-06-05 | 1999-12-08 | Courtaulds Fibres | Method of manufacture of a nonwoven fabric |
DE19929709C2 (de) * | 1999-06-24 | 2001-07-12 | Lueder Gerking | Verfahren zur Herstellung von im Wesentlichen endlosen feinen Fäden und Verwendung der Vorrichtung zur Durchführung des Verfahrens |
-
2000
- 2000-12-22 DE DE10065859A patent/DE10065859B4/de not_active Expired - Lifetime
-
2001
- 2001-12-21 AT AT01985429T patent/ATE274075T1/de active
- 2001-12-21 CN CNB018228224A patent/CN1322181C/zh not_active Expired - Lifetime
- 2001-12-21 AU AU2002234596A patent/AU2002234596A1/en not_active Abandoned
- 2001-12-21 US US10/451,327 patent/US7922943B2/en not_active Expired - Fee Related
- 2001-12-21 EP EP01985429A patent/EP1358369B1/de not_active Expired - Lifetime
- 2001-12-21 RU RU2003118457/12A patent/RU2265089C2/ru active
- 2001-12-21 ES ES01985429T patent/ES2227307T3/es not_active Expired - Lifetime
- 2001-12-21 DE DE50103362T patent/DE50103362D1/de not_active Expired - Lifetime
- 2001-12-21 CA CA2432790A patent/CA2432790C/en not_active Expired - Lifetime
- 2001-12-21 WO PCT/EP2001/015136 patent/WO2002052070A2/de not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO02052070A2 * |
Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT503625B1 (de) * | 2006-04-28 | 2013-10-15 | Chemiefaser Lenzing Ag | Wasserstrahlverfestigtes produkt enthaltend cellulosische fasern |
EP2957667A1 (de) | 2006-04-28 | 2015-12-23 | Lenzing Aktiengesellschaft | Wasserstrahlverfestigtes produkt mit cellulosefasern |
DE102010019910A1 (de) | 2010-05-04 | 2011-11-10 | Lüder Gerking | Spinndüse zum Spinnen von Fäden, Spinnvorrichtung zum Spinnen von Fäden und Verfahren zum Spinnen von Fäden |
WO2011138056A1 (de) | 2010-05-04 | 2011-11-10 | Gerking Lueder | Spinndüse zum spinnen von fäden, spinnvorrichtung zum spinnen von fäden und verfahren zum spinnen von fäden |
EP3144376A1 (de) | 2015-09-16 | 2017-03-22 | Lenzing Aktiengesellschaft | Verwendung einer lyocell-faser |
WO2017046044A1 (en) | 2015-09-16 | 2017-03-23 | Lenzing Aktiengesellschaft | Use of a lyocell fibre |
WO2018071928A1 (en) | 2016-10-21 | 2018-04-26 | Lenzing Ag | Process and device for the formation of directly-formed cellulosic webs |
EP3385425A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit erhöhter ölabsorptionsfähigkeit |
WO2018184929A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Optically transparent wet nonwoven cellulose fiber fabric |
EP3385428A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaserstoff mit fasern mit nichtkreisförmigem querschnittt |
EP3385432A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit extrem niedrigem schwermetallgehalt |
EP3385431A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit homogen verflochtenen fasern |
EP3385426A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit erhöhtem wasserhaltevermögen und geringem grundgewicht |
EP3385429A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit faserverbundenen, strahlungsableitenden teilchen |
EP3385434A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit verschmolzenen fasern |
EP3385435A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit verschiedenen porensätzen |
EP3385427A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit faserdurchmesserverteilung |
EP3385430A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Optisch transparenter nasser cellulosefaservliesstoff |
WO2018184924A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with fibers having non-circular cross section |
WO2018184941A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with merged fibers |
EP3385433A1 (de) | 2017-04-03 | 2018-10-10 | Lenzing Aktiengesellschaft | Cellulosefaservliesstoff mit massgeschneiderter flüssigkeitsabsorbtionsfähigkeit |
WO2018184938A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with homogeneously merged fibers |
WO2018184930A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with increased water holding capability and low basis weight |
WO2018184045A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Ag | A nonwoven web designed for use as a hot cooking oil filter media |
WO2018184922A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with different sets of pores |
WO2018184051A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Ag | A nonwoven material designed for use in absorbent core structures with intrinsic acquistion/distribution capabilities |
WO2018184937A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with fiber diameter distribution |
WO2018184925A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with increased oil absorbing capability |
WO2018184046A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Ag | A nonwoven material designed for use as filter media |
WO2018184926A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with fiber connected radiation diffusing particles |
WO2018184927A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with extremely low heavy metal content |
WO2018184932A1 (en) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Nonwoven cellulose fiber fabric with tailored liquid wicking capability |
EP3604652A1 (de) | 2018-07-31 | 2020-02-05 | Lenzing Aktiengesellschaft | Vliesstoff, verwendung des vliesstoffes und wischtuch, trocknertuch sowie gesichtsmaske enthaltend den vliesstoff |
WO2020025440A1 (de) | 2018-07-31 | 2020-02-06 | Lenzing Aktiengesellschaft | Vliesstoff, verwendung des vliesstoffes und wischtuch, trocknertuch sowie gesichtsmaske enthaltend den vliesstoff |
Also Published As
Publication number | Publication date |
---|---|
AU2002234596A1 (en) | 2002-07-08 |
ATE274075T1 (de) | 2004-09-15 |
CN1492952A (zh) | 2004-04-28 |
WO2002052070A3 (de) | 2002-11-07 |
DE10065859A1 (de) | 2002-07-11 |
RU2265089C2 (ru) | 2005-11-27 |
DE10065859B4 (de) | 2006-08-24 |
EP1358369B1 (de) | 2004-08-18 |
CN1322181C (zh) | 2007-06-20 |
CA2432790A1 (en) | 2002-07-04 |
WO2002052070A2 (de) | 2002-07-04 |
US20040099981A1 (en) | 2004-05-27 |
ES2227307T3 (es) | 2005-04-01 |
CA2432790C (en) | 2011-05-10 |
DE50103362D1 (de) | 2004-09-23 |
US7922943B2 (en) | 2011-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1358369A2 (de) | Verfahren und vorrichtung zur herstellung von im wesentlichen endlosen feinen fäden | |
EP1192301B1 (de) | Verfahren und vorrichtung zur herstellung von im wesentlichen endlosen feinen fäden | |
DE19605675C2 (de) | Verfahren zum aerodynamischen Texturieren sowie Texturierdüse | |
DE2048006B2 (de) | Verfahren und Vorrichtung zur Herstellung einer breiten Vliesbahn | |
EP1630265B1 (de) | Vorrichtung zur kontinuierlichen Herstellung einer Spinnvliesbahn | |
AT519489B1 (de) | Verfahren und Vorrichtung zum Herstellen von Vliesen auf Cellulosebasis, die direkt aus Lyocell-Spinnlösung gebildet werden | |
DE4040242A1 (de) | Verfahren und vorrichtung zur herstellung von feinstfasern aus thermoplastischen polymeren | |
EP0598463B1 (de) | Verfahren und Vorrichtung zur Förderung und Ablage von Scharen endloser Fäden mittels Luftkräften | |
EP2567005A1 (de) | Spinndüse zum spinnen von fäden, spinnvorrichtung zum spinnen von fäden und verfahren zum spinnen von fäden | |
DE4102650A1 (de) | Verfahren und vorrichtung zum herstellen eines spinnvlieses aus synthetischem polymer | |
AT402947B (de) | Verfahren zur herstellung cellulosischer fasern sowie vorrrichtung zur durchführung des verfahrens | |
EP1280946B1 (de) | Verfahren und vorrichtung zur zugspannungsfreien förderung von endlosformkörpern | |
DE3941824C2 (de) | ||
EP0455897B1 (de) | Vorrichtung zum Herstellen von Feinstfäden | |
DE1760713A1 (de) | Verfahren und Vorrichtung zum Herstellen eines Wirrfaden-Vlieses aus synthetischen Faeden | |
EP0480550B1 (de) | Verfahren und Vorrichtung zur Herstellung von Spinnvliesen | |
EP1268888B1 (de) | Verfahren und vorrichtung zur herstellung von cellulosefasern und cellulosefilamentgarnen | |
EP0724029B1 (de) | Fäden aus Schmelzen mittels kalter Gasstrahlen | |
DE1760483A1 (de) | Fasern | |
DE202005014604U1 (de) | Vorrichtung zur Herstellung von Spinnvliesen | |
DE10011948C2 (de) | Verfahren und Vorrichtung zur Herstellung von Cellulosefasern und Cellulosefilamentgarnen | |
DE2026140A1 (de) | Verbessertes Verfahren zum Ablegen von Fäden zur Vliesherstellung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20030717 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040818 Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040818 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040818 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040818 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
REF | Corresponds to: |
Ref document number: 50103362 Country of ref document: DE Date of ref document: 20040923 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20041118 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20041118 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041221 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041231 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041231 |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20041220 |
|
LTIE | Lt: invalidation of european patent or patent extension |
Effective date: 20040818 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2227307 Country of ref document: ES Kind code of ref document: T3 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
BERE | Be: lapsed |
Owner name: GERKING, LUDER, DR.-ING. Effective date: 20041231 |
|
ET | Fr: translation filed | ||
26N | No opposition filed |
Effective date: 20050519 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051231 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051231 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
BERE | Be: lapsed |
Owner name: *GERKING LUDER Effective date: 20041231 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050118 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FI Payment date: 20151211 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20151214 Year of fee payment: 15 Ref country code: FR Payment date: 20151221 Year of fee payment: 15 Ref country code: SE Payment date: 20151221 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20151228 Year of fee payment: 15 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161221 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: EUG |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161222 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20170831 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170102 Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161221 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161222 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20181116 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 20201222 Year of fee payment: 20 Ref country code: GB Payment date: 20201223 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20201230 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 50103362 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20211220 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20211220 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MK07 Ref document number: 274075 Country of ref document: AT Kind code of ref document: T Effective date: 20211221 |