EP1093535B1 - Filtervorrichtung und spinnkopf - Google Patents
Filtervorrichtung und spinnkopf Download PDFInfo
- Publication number
- EP1093535B1 EP1093535B1 EP99927841A EP99927841A EP1093535B1 EP 1093535 B1 EP1093535 B1 EP 1093535B1 EP 99927841 A EP99927841 A EP 99927841A EP 99927841 A EP99927841 A EP 99927841A EP 1093535 B1 EP1093535 B1 EP 1093535B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filter element
- filter
- sealing
- distributor
- head
- 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
Links
Images
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
- D01D4/00—Spinnerette packs; Cleaning thereof
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
Definitions
- the invention relates to a filter device for a spinning head and Spinning head for the production of plastic threads, which has a housing, in which the plastic melt before it emerges from the spinnerets under pressure flows through a filter element with a filter material that via a distribution device depending on the strength of the melt pressure experiences an axial contact force, the closing of Sealing gaps act on the sealing edges of the filter element.
- melt spinning the polymer melt must immediately before passing through the nozzle plate of a fine filtration using a sand filter, Metal powder filter or filter candles are subjected.
- EP 0 658 638 B1 it is known to melt the polymer by a plurality to run parallel arranged filter candles made of metal mesh with the Disadvantage that a uniform flow of all filter cartridges practically is excluded, with the result that individual filter cartridges are preferred soiled and all filter cartridges cleaned after a short period or must be replaced.
- a spinning head is known from DE 42 27 114, in which the stability of the ring filter element due to a radial support is increased by a distribution device, but with the result that the filter element can be flowed through very unevenly.
- the invention is based on the object, to provide an improved filter device for a spinning head, which allows an energetically favorable filtering operation, is pressure stable, a good permanent seal ensures and inexpensive in the Realization is.
- a filter device solves one of these tasks the features of claims 1 and 2.
- Another object of the invention is a spinning head of the beginning mentioned type in such a way that a particularly homogeneous plastic melt to create a multifilament synthetic thread at the outlet is present.
- a spinning head with the features solves one of these tasks according to claim 12.
- the filter element forming a support tube with a replaceable unit has wall-side fluid passages which are enclosed by the filter material is that at least at one end with its sealing edge over the Support tube protrudes axially and / or is axially set back, is a pressure-stable Formed unit that is reliable even at high melt pressures is in operation. Because the flow direction for the plastic melt over the entire length of the filter element evenly in one Direction is flowing, the flow is energetically favorable and the No artificial resistance is opposed to melt flow. By the protruding or recessed end of the filter material that the respective sealing edge forms is given the elasticity behavior the filter element a secure seal of the possible passage points guaranteed in the form of the sealing gap. Since the related Filter element can be created from standard components, especially from conventional ones Metal mesh filter materials, its manufacture is inexpensive.
- the success according to the invention can also be according to the characterizing part of claim 2 achieve that at least at one end a flat sealing edge on the filter element is present, the overall rigidity of the filter element being chosen in this way is that the sealing gaps are closed under the contact pressure.
- a dynamic sealing system is therefore dependent on the contact pressure realized for the filter device with spinning head, that with growing Pressing force increasingly seals.
- the spinning head according to the invention is particularly characterized in that the plastic melt from entry to exit evenly without different Dwell times.
- the one between the melt-permeable Support tube and the distribution head formed delivery space guaranteed the uniform flow through the filter element and unhindered removal of the filtered plastic melt to the outlet. there is a high pressure stability of the filter element through the support tube reached.
- the underside of the pressure plate is preferably at an angle from 0 ° to 40 ° towards the exit of the plastic melt in the spinning head inclined.
- the support tube is an obstacle that can safely flow into the filter material the filter material connected to a cylindrical filter jacket the ends of which are formed by the sealing surfaces of the filter element.
- the filter material on the pressure plate facing end of the filter element with its sealing edge over the support tube protrudes axially or is set back so that no stowage corner is formed.
- the elasticity of the filter jacket is not affected by the radial stability of the support tube limited.
- the filter jacket has an axial elasticity that closing the sealing gaps over the sealing edges under the axial contact pressure of the filter element dynamically supported.
- the elasticity of the filter element can still be favored and increased by the Filter element does not have end caps made of a correspondingly rigid material, but the elasticity solely by compressing the filter material and corresponding end welding is achieved.
- the spinning head 10 has a Housing 12 in the manner of a hollow cylinder with an upper inlet opening 14 for the entry of the plastic melt and with a lower outlet opening 16 for the admission of a spinneret, for the exit of the Filaments of a multifilament synthetic thread numerous nozzle holes has (not shown).
- the lower outlet opening 16 for the production of plastic filaments is the lower outlet opening 16 in the usual and therefore not shown in detail Sealed with a spinneret plate. Looking towards the The right half of the picture shows the spinning head in a starting position and the left half refers to the operating position, at the movable under the pressure and force of the plastic melt Parts of the spinning head 10 are shown in their operating position.
- the filter element in question 18 is shown in an improved representation in FIG.
- the Filter material 20 is dependent on a distribution device 22 its strength of the melt pressure an axial contact force, which under closing of sealing gaps 24 as a possible passage point for the plastic melt acts on the sealing edges 26, 28 of the filter element 18.
- the Filter element 18 has an interchangeable unit, such as it is shown in Figure 2, a support tube 30 with fluid passages 32 for the plastic melt, the simpler representation in 3, which shows the support tube 30, not all passage points 32 are shown are. However, these are assigned to each other in groups of three evenly along the outer circumference of the drum-like support tube 30 distributed.
- the filter material 20 encloses with the support tube 30 the same thing. As FIG. 2 also shows, the filter material 20 is in Looking at the figure seen at the upper end with its sealing edge 28 axially in front of the support tube 30 and axially back at the lower end.
- the filter material 20 preferably consists of a pleated filter jacket 34 made of wire mesh or a metal fiber fleece, in particular in Form of stainless steel. To connect the jacket ends, these are over a longitudinal weld (not shown) with each other to form a cylindrical hollow body connected. Instead of pleating, the Filter jacket also wound in one or more layers around the support tube 30 (not shown). In the embodiment shown there is Filter jacket 34 made of a multi-layer stainless steel mesh with a filter fineness between 5 ⁇ m to 500 ⁇ m, in particular 50 ⁇ m to 150 ⁇ m. The Filter material is also commercially available under the brand name "Chemicron" available.
- the filter jacket 34 is pleated, there is an independent sealing edge for each filter fold 26, 28 on the opposite end sides of the filter jacket 34
- a pleated configuration of the filter jacket 34 can also be used a continuous cylindrical filter jacket with a flat outer circumference consist.
- the respective filter material 20 can be made in one piece or in one piece form the filter jacket 34, the support tube 30 being more integral Is part of the entire filter element. If necessary, with a not shown embodiment, the support tube 30 is also completely eliminated and be formed exclusively by the filter element cylinder.
- the filter jacket 34 has a predeterminable elasticity, which under the axial contact force already mentioned during the filtering process, that is, in the operation of the spinning head 10, the closing of the respective sealing gaps 24 supported by the sealing edges 26, 28 of the filter element 18.
- How 2 further shows the sealing edges 26, 28 of the filter element 18 opposite the end circular planes 36 of the support tube 30 in the direction by a predeterminable angular amount, in particular by 15 ° the entry of the plastic melt into the spinning head 10 inclined. hereby arise parallel to the circular planes 36 two radial Sealing flanges 38, as in the illustration according to Figure 2 with a filter jacket 34 compressed accordingly and thus disc-shaped are. A corresponding compression occurs even if the filter jacket, as already mentioned, is hollow cylindrical. Outer peripheral side the sealing is accomplished via the sealing edges 26, 28. An effective sealing effect and sealing is achieved with the filter jacket 34 cooperating support tube 30 reached, so that a total the filter element 18 achieves the sealing effect.
- the sealing edges 26, 28 of the filter element 18 are manufactured in each case formed by a circumferential weld 40 (see Fig.2), which the front Ends completely along the pleated folds of the filter jacket 34 covered.
- the peripheral weld 40 is such by grinding or the like. reworked that the sealing edges 26,28 along a closed Circumferential curve to ensure their sealing purpose straight run.
- the distributor device 22 has a distributor head 42 with a Pressure plate 44 at its upper end.
- the distributor head 42 is inside of the housing 12 can be moved longitudinally within a cylindrical support receptacle 46 out.
- the filter element 18 includes the outer circumference of the addressed distributor head 42 and is supported with one end the bottom of the pressure plate 44 and the other end at one Projection 48 of the support receptacle 46.
- the bottom of the pressure plate 44 and the top of the projection 48 are also with a Provide angle of inclination that corresponds to the angle of inclination of the sealing edges 26 and corresponds to 28 and is preferably 15 ° with respect to the horizontal.
- a Use filter element according to Fig.2a without separate sealing ring.
- this modified embodiment of a filter element will be the same Reference numerals are used as for the filter element and previously presented this new embodiment is only explained in so far as it is differs significantly from the previous embodiment.
- the enlarged detail Y in FIG. 2a shows seen in the direction of looking at the figure, the lower sealing edge 28 opposite the support tube 30 is axially recessed.
- the filter element 18 is the sealing edge 26 arranged level, i.e. together in a horizontal plane lying with the associated free end of the support tube 30.
- the outer circumference of the filter element 18 limits with the support receptacle 46 a feed space 50 which is dimensioned volumetrically such that a possible dead space is kept low.
- the support tube 30 with the distributor head 42 delimits a delivery space 52 for the plastic melt, the delivery space 52 also consisting of individual longitudinal channels can exist, which is arranged on the outer circumference of the distributor head 42 in the longitudinal direction of which extend over the entire height of the support tube 30 can.
- the feed space 50 in the direction of looking at the Fig.1 seen tapered from top to bottom
- the widens Delivery space 52 is conical from top to bottom. It has been shown that this to optimal flow conditions when flowing through the filter element 18 leads with simultaneous reduction in dead space.
- the distributor head 42 interacts in the usual way with a control head 54, the longitudinally movable in the housing 12 along the inner wall is guided and with increasing feed movement in the direction of the distributor head 42 an edge-side seal 56 with respect to the housing 12 performs.
- the control head 54 For supplying the plastic melt to the pressure plate 44 the control head 54 has a central recess 58 and the plastic melt from there spreads itself evenly over the top of the Pressure plate 44.
- a circumferential longitudinal channel guide 60 passes from there the plastic melt into the feed space 50.
- the control head 54 is opposite the distributor head 42 via a spring-elastic spacer 62 supported in the manner of a partial segment of a plate spring. The this spacer can turn with its lower end on an edge flange of the support receptacle 46 or on the distributor head 42 for support a path limitation of the control head 54 accordingly.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Description
Es zeigen in prinzipieller und nicht maßstäblicher Darstellung die
- Fig.1
- einen Längsschnitt durch einen erfindungsgemäßen Spinnkopf mit erfindungsgemäßer Filtervorrichtung;
- Fig.2
- einen Längsschnitt durch das Filterelement mit Stützrohr und Filtermaterial;
- Fig.2a
- einen Längsschnitt durch ein geändertes Filterelement mit Stützrohr und Filtermaterial;
- Fig.3
- einen Längsschnitt durch das Stützrohr nach der Fig.2.
Claims (20)
- Filtervorrichtung für einen Spinnkopf (10) zur Herstellung von Kunststoffäden, der ein Gehäuse (12) aufweist, in welchem die Kunststoffschmelze vor ihrem Austritt aus den Spinndüsen unter Druck ein Filterelement (18) mit einem Filtermaterial (20) durchströmt, das über eine Verteilereinrichtung (22) in Abhängigkeit von der Stärke des Schmelzedruckes eine axiale Anpreßkraft erfährt, die unter Schließen von Dichtspalten (24) auf die Dichtkanten (26,28) des Filterelementes (18) einwirkt, dadurch gekennzeichnet, daß das Filterelement (18) unter Bildung einer austauschbaren Baueinheit ein Stützrohr (30) mit wandseitigen Fluiddurchlässen (32) aufweist, das von dem Filtermaterial (20) umschlossen ist, das zumindest an einem Ende mit seiner Dichtkante (26) über das Stützrohr (30) axial vorsteht oder zurückversetzt ist.
- Filtervorrichtung für einen Spinnkopf (10) zur Herstellung von Kunststoffäden, der ein Gehäuse (12) aufweist, in welchem die Kunststoffschmelze vor ihrem Austritt aus den Spinndüsen unter Druck ein Filterelement (18) mit einem Filtermaterial (20) durchströmt, das über eine Verteilereinrichtung (22) in Abhängigkeit von der Stärke des Schmelzedruckes eine axiale Anpreßkraft erfährt, die unter Schließen von Dichtspalten (24) auf die Dichtkanten (26,28) des Filterelementes (18) einwirkt, dadurch gekennzeichnet, daß das Filterelement (18) unter Bildung einer austauschbaren Baueinheit ein Stützrohr (30) mit wandseitigen Fluiddurchlässen (32) aufweist, das von dem Filtermaterial (20) umschlossen ist, das zumindest an einem Ende eine eben verlaufende Dichtkante (26) aufweist, und daß die Gesamtsteifigkeit des Filterelementes (18) derart gewählt ist, daß unter der Anpreßkraft das Schließen der Dichtspalte (24) aufgrund der Elastizität des Filterelementes (18) erfolgt.
- Filtervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Filtermaterial (20) aus einem plissierten Filtermantel (34) aus Drahtgewebe gebildet ist, dessen benachbart gegenüberliegenden Enden über eine Längsschweißnaht miteinander verbunden sind.
- Filtervorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Filtermantel (34) über eine vorgebbare Elastizität verfügt, die unter der axialen Anpreßkraft das Schließen der Dichtspalte (24) über die Dichtkanten (26,28) des Filterelementes (18) unterstützt.
- Filtervorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß mindestens eine der Dichtkanten (26,28) des Filterelementes (18) gegenüber den endseitigen Kreisebenen (36) des Stützrohres (30) um einen vorgebbaren Winkelbetrag, vorzugsweise von 0° bis 40°, insbesondere um 15°, in Richtung des Eintritts der Kunststoffschmelze in den Spinnkopf (10) geneigt ist.
- Filtervorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß die Dichtkanten (26,28) des Filterelementes (18) jeweils durch eine Umfangsschweißnaht (40) gebildet sind, die die stirnseitigen Enden des Filtermantels (34) vollständig überdeckt.
- Filtervorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Umfangsschweißnaht (40) derart nachbearbeitet ist, daß die Dichtkanten (26,28) entlang eines geschlossenen, in Falten gelegten Umfangsbogens eben verlaufen.
- Filtervorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Verteilereinrichtung (22) einen Verteilerkopf (42) mit Druckplatte (44) aufweist, der innerhalb des Gehäuses (12) längsverfahrbar innerhalb einer Stützaufnahme (46) geführt ist, und daß das Filterelement (18) den Außenumfang des Verteilerkopfes (42) umfassend sich mit einem Ende an der Druckplatte (44) und mit dem anderen Ende an der Stützaufnahme (46) abstützt.
- Filtervorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß der Außenumfang des Filterelementes (18) mit der Stützaufnahme (46) einen Zuführraum (50) und das Stützrohr (30) mit dem Verteilerkopf (42) einen Abgaberaum (52) für die Kunststoffschmelze begrenzen.
- Filtervorrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß der Verteilerkopf (42) mit einem Steuerkopf (54) zusammenwirkt, der längsverfahrbar im Gehäuse (12) geführt ist und mit zunehmender Zustellbewegung in Richtung des Verteilerkopfes (42) eine Abdichtung (56) gegenüber dem Gehäuse (12) vornimmt.
- Filtervorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Kunststoffschmelze eine Polymerschmelze ist und daß das Filtermaterial (20) aus einem mehrlagigen Drahtgewebe aus Edelstahl besteht.
- Spinnkopf zur Herstellung von Kunststoffäden, mit einem Gehäuse (12), das auf einer Austrittsseite eine Spinndüse mit einer Vielzahl von Düsenbohrungen aufweist und das auf einer Eintrittsseite einen Steuerkopf (54) mit einem Schmelzeeinlaß (58) aufweist, und mit einer Verteilereinrichtung (22) und einem Filterelement (18) zwischen dem Steuerkopf (54) und der Spinndüse, wobei die Verteilereinrichtung (22) und das Filterelement (18) durch einen Schmelzedruck gemeinsam gegen eine Stützaufnahme (46) gehalten sind, wobei das Filterelement (18) mit einer Dichtkante (28) an einer Dichtfläche der Stützaufnahme (46) und mit einer anderen Dichtkante (26) an einer Dichtfläche der Verteilereinrichtung (22) anliegt und wobei die Verteilereinrichtung (22) sich mit einer Druckplatte (44) auf dem Filterelement (18) abstützt und mit einem Verteilerkopf (42) in das Filterelement (18) hineinragt und wobei die Kunststoffschmelze vor ihrem Austritt aus der Spinndüse unter Druck ein Filtermaterial (20) des Filterelementes (18) durchströmt und mittels des Verteilerkopfes (42) zu der Spinndüse geleitet wird, dadurch gekennzeichnet, daß das Filterelement (18) auf der Innenseite zum Verteilerkopf (42) hin zur Abstützung des Filtermaterials (20) ein Stützrohr (30) mit wandseitigen Fluiddurchlässen (32) aufweist und daß zwischen dem Stützrohr (30) und dem Verteilerkopf (42) ein Abgaberaum (52) gebildet ist.
- Spinnkopf nach Anspruch 12, dadurch gekennzeichnet, daß der Abgaberaum (52) zwischen dem Stützrohr (30) und dem Verteilerkopf (42) durch eine konische Verjüngung des Verteilerkopfes (42) in Richtung zur Austrittsseite gebildet ist.
- Spinnkopf nach Anspruch 12 oder 13, dadurch gekennzeichnet, daß die Dichtfläche der Verteilereinrichtung (22) zwischen der Druckplatte (44) und dem Verteilerkopf (42) durch eine Unterseite der Druckplatte (44) gebildet ist.
- Spinnkopf nach Anspruch 14, dadurch gekennzeichnet, daß die Unterseite der Druckplatte (44) um einen vorgebbaren Winkelbetrag, vorzugsweise von 0° bis 40°, insbesondere um 15°, in Richtung des Austritts der Kunststoffschmelze im Spinnkopf (10) geneigt ist.
- Spinnkopf nach einem der Ansprüche 12 bis 15, dadurch gekennzeichnet, daß das Stützrohr (30) und das Filtermaterial (20) zu einem zylindrischen Filtermantel (34) verbunden sind, an dessen Enden die Dichtflächen (26,28) des Filterelementes (18) ausgebildet sind.
- Spinnkopf nach Anspruch 16, dadurch gekennzeichnet, daß das Filtermaterial (20) an dem zur Druckplatte (44) gewandten Ende mit seiner Dichtkante (26) über das Stützrohr (30) axial vorsteht.
- Spinnkopf nach Anspruch 16 oder 17, dadurch gekennzeichnet, daß der Filtermantel (34) über eine vorgegebene Elastizität verfügt, die unter der axialen Anpreßkraft das Schließen der Dichtspalte (24) über die Dichtkanten (26,28) des Filterelementes (18) unterstützt.
- Spinnkopf nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, daß die Dichtkanten (26,28) des Filterelementes (18) jeweils durch eine nachbearbeitete Umfangsschweißnaht (40) gebildet sind, die die stirnseitigen Enden des Filtermantels (34) vollständig überdekken.
- Spinnkopf nach einem der Ansprüche 12 bis 19, dadurch gekennzeichnet, daß das Filtermaterial (20) aus einen plissierten Drahtgewebe oder einem plissierten Vlies besteht.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19825532 | 1998-06-08 | ||
DE19825532A DE19825532A1 (de) | 1998-06-08 | 1998-06-08 | Filtervorrichtung für einen Spinnkopf |
PCT/EP1999/003814 WO1999064648A1 (de) | 1998-06-08 | 1999-06-02 | Filtervorrichtung und spinnkopf |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1093535A1 EP1093535A1 (de) | 2001-04-25 |
EP1093535B1 true EP1093535B1 (de) | 2002-08-21 |
Family
ID=7870269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99927841A Expired - Lifetime EP1093535B1 (de) | 1998-06-08 | 1999-06-02 | Filtervorrichtung und spinnkopf |
Country Status (8)
Country | Link |
---|---|
US (1) | US6604928B1 (de) |
EP (1) | EP1093535B1 (de) |
JP (1) | JP4343436B2 (de) |
KR (1) | KR100516318B1 (de) |
CN (1) | CN1105792C (de) |
DE (2) | DE19825532A1 (de) |
ES (1) | ES2182537T3 (de) |
WO (1) | WO1999064648A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10140116A1 (de) * | 2001-08-16 | 2003-02-27 | Berthold Mueller | Spinnverfahren mit Doppelfilter und Vorrichtung dazu |
KR100458946B1 (ko) * | 2002-08-16 | 2004-12-03 | (주)삼신크리에이션 | 나노섬유 제조를 위한 전기방사장치 및 이를 위한방사노즐팩 |
DE102009014374A1 (de) * | 2009-03-21 | 2010-09-23 | Oerlikon Textile Gmbh & Co. Kg | Spinnkopf |
DE102014000305A1 (de) * | 2014-01-10 | 2015-07-16 | Oerlikon Textile Gmbh & Co. Kg | Spinndüsenvorrichtung |
KR101402355B1 (ko) | 2014-01-16 | 2014-06-02 | (주)휴넷플러스 | 유기 전자 소자 및 이의 제조방법 |
CN104294379A (zh) * | 2014-09-28 | 2015-01-21 | 浙江古纤道新材料股份有限公司 | 双腔一体式纺丝组件 |
DE102019006765A1 (de) * | 2019-09-28 | 2021-04-01 | Hydac Process Technology Gmbh | Verfahren zum Herstellen eines mehrlagigen Filtermediums sowie ein nach diesem Verfahren hergestelltes Filtermedium |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE234693C (de) | ||||
DE252013C (de) | ||||
US2881474A (en) * | 1955-09-26 | 1959-04-14 | American Cyanamid Co | Spinning device |
US3762850A (en) * | 1971-07-26 | 1973-10-02 | Akzona Inc | Spinning head |
US4276011A (en) * | 1979-02-21 | 1981-06-30 | American Cyanamid Company | Spinnerette assembly |
DD159886A1 (de) * | 1981-06-22 | 1983-04-13 | Reinhard Wagner | Spinnduesenpaket zur erspinnung von faeden |
US4661249A (en) * | 1985-01-28 | 1987-04-28 | Metallurgical Industries, Inc. | Prefilter device for polymeric material |
DD234693A1 (de) * | 1985-02-14 | 1986-04-09 | Schwarza Chemiefaser | Spinnduesenpaket zur erspinnung von faeden |
DD252013A1 (de) * | 1986-08-04 | 1987-12-02 | Schwarza Chemiefaser | Spinnduesenpaket zum schmelzspinnen von synthetischen linearen hochpolymeren |
IT1254878B (it) * | 1991-04-25 | 1995-10-11 | Barmag Barmer Maschf | Testa di filiera con corpo di spostamento |
DE4225341A1 (de) * | 1991-08-17 | 1993-02-18 | Barmag Barmer Maschf | Spinnkopf |
DE4227114C2 (de) | 1991-09-14 | 2001-09-06 | Barmag Barmer Maschf | Spinnkopf |
DE4343270A1 (de) * | 1993-12-17 | 1995-06-22 | Zimmer Ag | Spinnkopf mit Filterkerze |
-
1998
- 1998-06-08 DE DE19825532A patent/DE19825532A1/de not_active Ceased
-
1999
- 1999-06-02 JP JP2000553636A patent/JP4343436B2/ja not_active Expired - Fee Related
- 1999-06-02 US US09/700,308 patent/US6604928B1/en not_active Expired - Fee Related
- 1999-06-02 DE DE59902419T patent/DE59902419D1/de not_active Expired - Lifetime
- 1999-06-02 EP EP99927841A patent/EP1093535B1/de not_active Expired - Lifetime
- 1999-06-02 KR KR10-2000-7013118A patent/KR100516318B1/ko not_active IP Right Cessation
- 1999-06-02 CN CN99807093A patent/CN1105792C/zh not_active Expired - Fee Related
- 1999-06-02 ES ES99927841T patent/ES2182537T3/es not_active Expired - Lifetime
- 1999-06-02 WO PCT/EP1999/003814 patent/WO1999064648A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN1105792C (zh) | 2003-04-16 |
CN1304462A (zh) | 2001-07-18 |
WO1999064648A1 (de) | 1999-12-16 |
EP1093535A1 (de) | 2001-04-25 |
DE59902419D1 (de) | 2002-09-26 |
KR20010043756A (ko) | 2001-05-25 |
JP2002517629A (ja) | 2002-06-18 |
US6604928B1 (en) | 2003-08-12 |
KR100516318B1 (ko) | 2005-09-23 |
DE19825532A1 (de) | 1999-12-09 |
JP4343436B2 (ja) | 2009-10-14 |
ES2182537T3 (es) | 2003-03-01 |
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