EP2895647A2 - Spinnstelle einer vorspinnmaschine - Google Patents
Spinnstelle einer vorspinnmaschineInfo
- Publication number
- EP2895647A2 EP2895647A2 EP13803202.4A EP13803202A EP2895647A2 EP 2895647 A2 EP2895647 A2 EP 2895647A2 EP 13803202 A EP13803202 A EP 13803202A EP 2895647 A2 EP2895647 A2 EP 2895647A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- vortex chamber
- spinning station
- value
- roving
- region
- 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
- 238000009987 spinning Methods 0.000 title claims abstract description 56
- 230000007704 transition Effects 0.000 claims abstract description 39
- 239000000835 fiber Substances 0.000 claims description 58
- 230000015572 biosynthetic process Effects 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007378 ring spinning Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/11—Spinning by false-twisting
- D01H1/115—Spinning by false-twisting using pneumatic means
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/28—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by inserting twist during drafting
Definitions
- the present invention relates to a spinning station of a roving machine for producing a roving from a fiber structure, wherein the spinning station has a swirl chamber with an inlet opening for the fiber structure and at least partially extending into the vortex chamber yarn formation element, wherein the spinning station directed into the swirl chamber spinnerets, the in the region of a wall surrounding the vortex chamber open into the vortex chamber and can be introduced into the vortex chamber via the air in a predetermined direction of rotation in order to impart a rotation in said direction of rotation to the fiber bundle fed in a transport direction in the region of an inlet mouth of the yarn forming element, and wherein Garn Strukturselement has an adjacent to the inlet mouth vent channel over which the yarn from the vortex chamber is removable.
- Roving is produced from pretreated (eg doubled) filament ribbons, usually with the aid of stretchers, and serves as a template for the subsequent spinning process in which the individual fibers of the roving are spun into a fiber yarn, for example with the aid of a ring spinning machine.
- pretreated filament ribbons usually with the aid of stretchers
- Roving serves as a template for the subsequent spinning process in which the individual fibers of the roving are spun into a fiber yarn, for example with the aid of a ring spinning machine.
- it has been found useful to stretch the submitted fiber structure during production of the roving with the aid of a drafting system, which is usually part of the roving frame, and then to provide it with a protective rotation. Said strength is important to prevent roving of the roving during winding on a spool and during the supply to the downstream spinning machine.
- the granted protection rotation must be on the one hand so strong that a cohesion of the individual fibers during the individual Aufg. Abspulvorlandais and appropriate transport operations between the respective machine types is guaranteed. On the other hand, it must be ensured despite the protective rotation that the roving can be further processed in a spinning machine - the roving must therefore continue to be delayable.
- flyers are primarily used, the delivery speed of which, however, is reduced due to centrifugal forces occurring. is limited. Therefore, there have already been numerous proposals to circumvent the flyer or to replace it with an alternative machine type (see, for example, EP 0 375 242 A2, DE 32 37 989 C2).
- Object of the present invention is therefore to propose a spinning station for a production of roving serving air-spinning machine with which a particularly high quality roving can be produced.
- the spinning station is characterized in that, following the inlet opening, the wall of the vortex chamber has a transition section widening in said transport direction, the shape of which corresponds to the lateral surface of a truncated cone.
- the spinnerets open into the vortex chamber in the region of the transition section and each have a flow direction which is in the direction of the vortex chamber. facing wall is aligned. This ensures that with the aid of the spinnerets an air flow can be generated which extends for the most part into the gap which exists between the yarn-forming element and the said wall and thus meets the fibers or fiber ends of the fiber structure surrounding the yarn-forming element from outside while creating the desired protective rotation.
- the invention does not envisage the entry of the spinnerets in the region of a cylindrical portion or a stepped annular edge. Rather, a cone-shaped area is provided following the inlet opening, which, starting from the inlet opening, causes a cross-sectional widening of the vortex chamber and serves as an air outlet area of the spinnerets.
- the fact that the transition section adjoins the inlet opening is, of course, not to be construed as meaning that there must be an immediate transition between the inlet opening and the transition section according to the invention (even if such a design appears quite advantageous). Rather, it goes without saying
- the spinnerets should open into the vortex chamber in such a way that their outlet openings pass into the transitional section on all sides. In this way, it is ensured that the spinnerets still open completely in the region of the transition section into the vortex chamber, even in the case of an unwanted production-related lateral offset.
- the transition section merges into a cylindrical section in the transport direction of the fiber composite.
- the transition can be carried out in a flowing or stepped manner, ie directly.
- the cylindrical section should also have a length in the transport direction of the fiber composite whose amount is greater than the diameter of the cylindrical portion in this area, in order to ensure a particularly homogeneous air flow.
- one or more further sections may connect to the cylindrical section (viewed in the transport direction), the Form deviates from the shape of a cylinder. It is conceivable, for example, a section whose shape - comparable to the shape of the inventive transition section - the lateral surface of a truncated cone corresponds.
- each spinneret encloses, in a section running parallel to the respective longitudinal axis and parallel to the longitudinal axis of the discharge channel, with the longitudinal axis of the discharge channel an angle .alpha.
- Whose value is between 75.degree. And 40.degree The air flow generated by the spinnerets receives an alignment in compliance with this range, which allows a particularly homogeneous protective twist distribution.
- An extremely high quality roving can be produced when the said value is between 70 ° and 50 °, whereby a value of 60 ° has proven to be particularly favorable.
- the generatrix of the transition section encloses an angle ⁇ with the longitudinal axis of the outlet channel, the magnitude of which has a value between 80 ° and 15 °.
- the surface line is defined here as a line which lies on the surface of the transition section and in a common plane with the longitudinal axis of the outlet channel.
- said angle assumes a value between 50 ° and 20 °, since in this case an air flow is generated (which depends inter alia on the shape and orientation of the transition portion forming inner surface of the vortex chamber), with their help the fiber structure a particularly uniform protection rotation can be granted.
- preference is given to an angle of 30 °.
- the sum of the amounts of said angles (a and ⁇ ) gives a value between 75 ° and 105 °, preferably a value of 90 °.
- the spinnerets extend in a direction perpendicular to the longitudinal axis of the discharge channel section in each case between the longitudinal axis of the discharge channel and a tangent of the wall of the vortex chamber.
- the spinnerets do not open directly tangentially into the swirl chamber, as is usual in known spinning stations, which serve to produce a finished yarn.
- the spinnerets should be in the mentioned section be directed into the gap formed between the wall of the vortex chamber and the outer surface of the Garn avoirselements. In this case, the spinnerets do not flow smoothly into the wall mentioned. Rather, the transition between the inner walls of the spinneret and the inner wall of the transition section takes the form of a certain fold.
- the longitudinal axes of the spinnerets run parallel to a tangent of the wall of the vortex chamber in a section running perpendicular to the longitudinal axis of the outlet channel.
- the longitudinal axes of the spinnerets lie in a direction perpendicular to the discharge channel section each on a line that run closer to the discharge duct than the longitudinal axes of spinnerets that open directly tangentially into the vortex chamber.
- the transition section on its side facing the inlet opening side has a diameter whose amount has a value between 14 mm and 8 mm.
- a diameter in this range ensures that the transition section in the above-described alignment of the generatrix can experience the desired diameter extension in the transport direction of the fiber composite and thereby assumes a diameter resulting in the desired curvature of the wall of the vortex chamber.
- Particularly preferred is a diameter whose value has a value between 12 mm and 9 mm, with a value of 10 mm has proven particularly useful.
- the transition section on its side facing away from the inlet opening has a diameter whose magnitude has a value between 16 mm and 10 mm.
- the diameter of the major part of the vortex chamber (or its section in the region of the inlet opening of the yarn formation element) is also determined by said diameter.
- the choice of the diameter has a direct influence on the "curvature" of the fluidizing air and thus the strength with which the fiber air ends captured fiber ends are bent (see also the following comments on the outer diameter of the Garn Strukturselements).
- values ranging between 14 mm and 11 mm have proven successful, with a value of 12.5 mm being particularly suitable.
- the yarn formation element has a cylindrical outer contour in the region of the cylindrical section of the vortex chamber.
- the wall of the vortex chamber also has a cylindrical course in the region of the cylindrical outer contour of the yarn formation element (ie the wall and the outer contour of the yarn formation element extend concentrically over a certain range), thus creating an annular gap with a constant flow cross section.
- a vortex air flow can be generated, with the aid of which the desired protective rotation can be generated particularly reliably and uniformly.
- the yarn formation element at least in the area in which it has a cylindrical outer contour, has an outer diameter whose magnitude is between 5 mm and 14 mm, preferably between 10 mm and 11.5 mm. It has thus been found that, particularly in the region of the inlet mouth of the yarn formation element and the adjoining region with a cylindrical outer contour, part of the fibers which are not completely protected inside the fiber composite are detected by the air flow.
- the fibers are bent in this case depends in particular on the outer diameter of the yarn formation element in the region of said cylindrical section which Thus, a smaller outside diameter causes a greater bending, while a larger outside diameter results in only a relatively small bending of the fiber ends
- the yarn-forming element has an outer lateral surface which enables an optimum angular velocity of the air vortices generated by the air flowing into the vortex chamber diameter would be Finally, lead to an increased angular velocity, while lying above 14 mm outer diameter would result in too little bending of the fibers and thus in an insufficient defensive rotation.
- the outlet channel in the region of the vortex chamber has an inlet mouth for the roving to be drawn from the vortex chamber with a diameter of between 4 mm and 12 mm, preferably between 6 mm and 8 mm.
- a particularly advantageous air flow is created in the region of the inlet mouth of the yarn formation element, which causes only a part of the outer fiber ends to be grasped and wrapped around the actual fiber core with the desired strength.
- the diameter is less than 4 mm, it is gradually brought into the range known from conventional air-spinning, which results in a relatively firm yarn which is only partially suitable as a roving.
- FIG. 3 a schematic sectional view of a section of a spinning station, cut along the sectional surface AA 'in FIG. 2, a schematic sectional view of the section F in FIG. 2, cut along the sectional surface CC in FIG. 3, a schematic sectional view of a section of a spinning station according to the invention, cut along 8, a section of a sectional view of a spinning station according to the invention along the line K in FIG. 5, cut along the sectional surface HH 'in FIG. 8, a schematic sectional view of the section K in FIG. 5, cut along the sectional surface GG' in FIG 8 shows a schematic sectional illustration of a section of a spinning station according to the invention, cut along the sectional surface JJ 'in FIG. 5, a view corresponding to FIG. 6, supplemented by an angular dimension,
- FIG. 10 shows a view corresponding to FIG. 7, supplemented by an angle dimensioned
- FIGS. 11 to 13 are views corresponding to FIG. 6, supplemented by various dimensions.
- Figure 1 shows a schematic view of a section of a roving machine.
- the roving machine can comprise a drafting system 22, which is supplied with a fiber structure 3, for example in the form of a relined conveyor belt.
- the roving frame shown in principle comprises a spaced from the drafting unit 22 spinning station 1 with an internal swirl chamber 4, in which the fiber structure 3 or at least a portion of the fibers of the fiber composite 3 is provided with a protective rotation (the exact mode of action of the spinning station 1 is hereinafter described in more detail).
- the roving machine, a pair of take-off rollers 21 and the withdrawal roller pair 21 downstream winding device 20 (also shown schematically) for the roving 2 include.
- the inventive device does not necessarily have a drafting system 22, as shown in FIG. Also, the take-off roller pair 21 is not absolutely necessary.
- the roving machine now works according to a special air spinning process.
- the fiber structure 3 is guided in a transport direction T via an inlet opening 5 of a (preferably designed as a separate component) fiber guide element 19 in the swirl chamber 4 of the spinning station 1.
- a Protective rotation ie at least part of the fibers of the fiber composite 3 is detected by an air flow, which is generated by appropriately placed spinnerets 7.
- a part of the fibers is in this case pulled out of the fiber structure 3 at least a little bit and wound around the tip of a protruding into the swirl chamber 4 Garnsentelements 6.
- the spinnerets 7 it should be mentioned as a precautionary measure at this point that they should generally be oriented in such a way that a rectified air flow with a uniform direction of rotation is generated.
- the individual spinnerets 7 are in this case arranged rotationally symmetrical to one another (see FIG. 3, which shows a sectional view along the sectional surface A-A 'in FIG. 2, the spinnerets 7 running mostly above the sectional surface and thus not actually being shown by dashed lines).
- the spinnerets 7 each have a flow direction, which is aligned in the direction of a wall 8 surrounding the swirl chamber 4, so that the air flow produced at least largely spiral between the outer surface 12 of the Garnsentelements 6 and the wall 8 of the vortex chamber 4 extends.
- the fibers of the fiber composite 3 are withdrawn from the vortex chamber 4 via an inlet mouth 9 of the yarn formation element 6 and a withdrawal channel 10 arranged inside the yarn formation element 6 and adjoining the inlet mouth 9.
- the free fiber ends are drawn on a spiral path in the direction of the inlet mouth 9 and loop as Umwindefasern to the centrally extending core fibers - resulting in a desired protective rotation having roving. 2
- the roving 2 has by the only partial rotation of the fibers a (residual) delaying ability, which is essential for the further processing of the roving 2 in a subsequent spinning machine, such as a ring spinning machine.
- a subsequent spinning machine such as a ring spinning machine.
- conventional air-spinning devices impart such a strong rotation to the fiber structure 3 that the necessary distortion following the yarn production no longer exists is possible. This is also desirable in this case, since conventional air spinning machines are designed to produce a finished yarn, which should usually be characterized by a high strength.
- the spinning station 1 preferably has a swirl-blocking element, for example, inserted into the fiber-guiding element 19.
- a swirl-blocking element for example, inserted into the fiber-guiding element 19.
- This may be formed as a fiber delivery edge, as a pin or in another known from the prior art embodiment and prevents rotation in the fiber structure 3 against the delivery direction of the fiber composite 3 and thus propagates in the direction of the input port 5 of the fiber guiding element 19.
- FIGS. 2 to 4 FIGS. 2 to 4 (FIG. 4 shows a sectional illustration of the region F in FIG. 2 along the sectional surface CC in FIG. 3), the spinnerets 7 open into the swirl chamber 4 in the region of an annular edge 23.
- Such a geometry is however for the air flow generated by means of spinnerets 7 is not optimal.
- the respective outlet openings of the individual spinnerets 7 pass into the annular edge 23 on both sides
- the wall 8 of the vortex chamber 4, following the inlet opening 5 has a transition section 1 whose shape corresponds to the lateral surface of a truncated cone.
- a transition section 1 whose shape corresponds to the lateral surface of a truncated cone.
- transition section 11 is designed as a conical ring section .
- the dimensions of the Transition section 1 should be so dimensioned that the vortex chamber 4 adjacent air outlet openings of the spinneret 7 pass over into all sides in the transition section 11.
- An offset of the drill, with which the spinnerets 7 are usually produced, does not significantly affect the flow pattern of the generated air flow in this case.
- the transition section 11 merges in the transport direction T in a cylindrical portion 3 of the wall 8 of the swirl chamber 4.
- the outer surface 12 of the yarn formation element 6 also at least partially has a cylindrical outer contour 18 (see, for example, FIG. 6)
- the vortex chamber 4, following the transitional section 11 has a region with a constant flow cross section, which likewise has a favorable effect on the vortex air flow produced effect.
- FIG. 8 shows that the spinnerets 7 do not necessarily have to open tangentially into the swirl chamber 4 (as shown in FIG. 3). Rather, it can be advantageous if the spinnerets 7 extend at a distance from a corresponding tangent 17, wherein in each case a spinneret 7 and a tangent 17 in the plan view shown in FIG. 8 can run parallel to each other (otherwise the spinnerets 7 in FIG for illustration purposes dash-dot-like indicated, although they would actually not be seen in the corresponding section, see the comments on the figures 2 and 3).
- spinnerets 7 finally produce an air flow which does not sweep tangentially along the wall 8 of the vortex chamber 4 immediately after its exit from the respective spinneret 7. Rather, it is advantageous if the spinnerets 7 and with them the air flow generated in the direction of the wall 8 of the swirl chamber 4 and thus are directed in the direction of the gap between the outer surface 12 of the Garnsentelements 6 and the wall 8 of the swirl chamber is available.
- Transition portion 1 and the longitudinal axis 15 of the discharge channel 10 has a value whose value has a value between 80 ° and 15 °, the value should advantageously be between 40 ° and 20 °.
- an angle ⁇ of 30 ° allows an air flow with which a roving 2 can be produced, which despite the desired delay capability has a strength that allows the further transport of the roving 2 to a subsequent spinning machine.
- each spinneret 7 in an axis parallel to the respective longitudinal axis 14 and parallel to the longitudinal axis 15 of the discharge channel 0 extending section with the longitudinal axis 15 of the discharge channel 10 an angle ⁇ includes, the amount has a value between 75 ° and 40 °.
- a value between 70 ° and 50 °, in particular, a value of 60 ° promises an excellent result in terms of strength and resilience of the roving 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012108613.3A DE102012108613A1 (de) | 2012-09-14 | 2012-09-14 | Spinnstelle einer Vorspinnmaschine |
PCT/IB2013/001963 WO2014041412A2 (de) | 2012-09-14 | 2013-09-10 | Spinnstelle einer vorspinnmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2895647A2 true EP2895647A2 (de) | 2015-07-22 |
EP2895647B1 EP2895647B1 (de) | 2021-07-14 |
Family
ID=49759446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13803202.4A Active EP2895647B1 (de) | 2012-09-14 | 2013-09-10 | Spinnstelle einer vorspinnmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US9677197B2 (de) |
EP (1) | EP2895647B1 (de) |
CN (1) | CN104619898B (de) |
DE (1) | DE102012108613A1 (de) |
WO (1) | WO2014041412A2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3026157B1 (de) * | 2013-07-22 | 2020-03-11 | Murata Machinery, Ltd. | Garnherstellungsvorrichtung |
EP3026158A4 (de) * | 2013-07-22 | 2017-06-14 | Murata Machinery, Ltd. | Garnherstellungsvorrichtung |
CH709606A1 (de) * | 2014-05-08 | 2015-11-13 | Rieter Ag Maschf | Verfahren zum Betrieb einer Textilmaschine, die der Herstellung von Vorgarn dient, sowie Textilmaschine. |
CH712409A1 (de) * | 2016-04-29 | 2017-10-31 | Rieter Ag Maschf | Luftspinnmaschine sowie Verfahren zur Herstellung eines Garns. |
CH712489A1 (de) * | 2016-05-26 | 2017-11-30 | Rieter Ag Maschf | Garnbildungselement für eine Vorspinnmaschine sowie damit ausgerüstete Vorspinnmaschine. |
CH712663A1 (de) * | 2016-07-14 | 2018-01-15 | Rieter Ag Maschf | Verfahren zum Verarbeiten eines strangförmigen Faserverbands sowie Vorspinnmaschine. |
IT201800009728A1 (it) * | 2018-10-24 | 2020-04-24 | Savio Macch Tessili Spa | Dispositivo di filatura di tipo air-jet |
DE102019103271A1 (de) * | 2019-02-11 | 2020-08-13 | Maschinenfabrik Rieter Ag | Spinndüse für eine Luftspinnmaschine sowie Verfahren zum Öffnen einer solchen |
EP3753885A1 (de) * | 2019-06-19 | 2020-12-23 | Heberlein AG | Ansaugvorrichtung für eine textilmaschine, textilmaschine mit einer ansaugvorrichtung, verwendung von zwei zyklonelementen und verfahren zum ansaugen von garnen |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013003962A1 (de) * | 2011-07-01 | 2013-01-10 | Maschinenfabrik Rieter Ag | Vorspinnmaschine zur herstellung eines vorgarns sowie verfahren zum anspinnen eines faserverbands |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6056817B2 (ja) | 1981-10-13 | 1985-12-12 | 村田機械株式会社 | 紡績糸 |
CA2005018A1 (en) | 1988-12-12 | 1990-06-12 | Elbert F. Morrison | Vacuum spinning of roving |
US20020152739A1 (en) * | 2000-12-22 | 2002-10-24 | Maschinenfabrik Rieter Ag | Spinning device |
ATE304620T1 (de) * | 2001-08-17 | 2005-09-15 | Rieter Ag Maschf | Vorrichtung zur herstellung eines gesponnenen garnes |
JP2003155630A (ja) | 2001-09-05 | 2003-05-30 | Murata Mach Ltd | 紡績装置 |
JP2003193337A (ja) | 2001-12-19 | 2003-07-09 | Murata Mach Ltd | 紡績装置 |
ATE338838T1 (de) * | 2002-03-20 | 2006-09-15 | Rieter Ag Maschf | Luftspinnvorrichtung mit kanalauskleidung |
DE10251727A1 (de) * | 2002-11-05 | 2004-05-13 | Deutsches Institut für Textil- und Faserforschung Stuttgart - Stiftung des öffentlichen Rechts | Verfahren und Vorrichtung zur Herstellung von Flyerlunte |
CN1882728B (zh) * | 2003-09-12 | 2010-09-01 | 里特机械公司 | 并条-头道粗纱联合机和用于从纤维组中制造粗纱的方法 |
US7647760B2 (en) * | 2003-09-12 | 2010-01-19 | Maschinenfabrik Rieter Ag | Drawing frame-roving frame combination for the production of rove by means of a pneumatic spinning process |
JP2005105430A (ja) * | 2003-09-29 | 2005-04-21 | Murata Mach Ltd | 紡績機 |
EP1584715A1 (de) * | 2004-04-07 | 2005-10-12 | Maschinenfabrik Rieter Ag | Verfahren zum Herstellen eines Garnes in einer Luftspinnmaschine |
DE102005045703A1 (de) * | 2005-09-19 | 2007-03-22 | Wilhelm Stahlecker Gmbh | Luftdüsenaggregat für eine Luftdüsenspinnvorrichtung |
DE102007006674A1 (de) | 2007-02-10 | 2008-08-14 | Oerlikon Textile Gmbh & Co. Kg | Luftspinnvorrichtung |
WO2009086646A1 (de) * | 2008-01-11 | 2009-07-16 | Maschinenfabrik Rieter Ag | Verfahren zum herstellen eines vorgarns. |
DE102008006379A1 (de) * | 2008-01-29 | 2009-07-30 | Oerlikon Textile Gmbh & Co. Kg | Luftspinnvorrichtung |
JP5515934B2 (ja) * | 2010-03-25 | 2014-06-11 | 村田機械株式会社 | 空気紡績装置及び紡績機 |
CH704780A1 (de) * | 2011-04-13 | 2012-10-15 | Rieter Ag Maschf | Vorspinnmaschine zur Herstellung eines Vorgarns. |
-
2012
- 2012-09-14 DE DE102012108613.3A patent/DE102012108613A1/de not_active Withdrawn
-
2013
- 2013-09-10 US US14/428,112 patent/US9677197B2/en active Active
- 2013-09-10 EP EP13803202.4A patent/EP2895647B1/de active Active
- 2013-09-10 CN CN201380047846.4A patent/CN104619898B/zh active Active
- 2013-09-10 WO PCT/IB2013/001963 patent/WO2014041412A2/de active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013003962A1 (de) * | 2011-07-01 | 2013-01-10 | Maschinenfabrik Rieter Ag | Vorspinnmaschine zur herstellung eines vorgarns sowie verfahren zum anspinnen eines faserverbands |
Non-Patent Citations (1)
Title |
---|
See also references of WO2014041412A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014041412A3 (de) | 2014-05-22 |
CN104619898A (zh) | 2015-05-13 |
CN104619898B (zh) | 2017-06-06 |
EP2895647B1 (de) | 2021-07-14 |
US20150240394A1 (en) | 2015-08-27 |
DE102012108613A1 (de) | 2014-03-20 |
WO2014041412A2 (de) | 2014-03-20 |
US9677197B2 (en) | 2017-06-13 |
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