EP4136283A1 - Kämmmaschine - Google Patents
KämmmaschineInfo
- Publication number
- EP4136283A1 EP4136283A1 EP21710199.7A EP21710199A EP4136283A1 EP 4136283 A1 EP4136283 A1 EP 4136283A1 EP 21710199 A EP21710199 A EP 21710199A EP 4136283 A1 EP4136283 A1 EP 4136283A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- combing
- machine according
- combing machine
- fiber web
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 claims abstract description 87
- 241000347389 Serranus cabrilla Species 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 210000001520 comb Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- -1 Flonigtau Substances 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010972 statistical evaluation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G31/00—Warning or safety devices, e.g. automatic fault detectors, stop motions
- D01G31/003—Detection and removal of impurities
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G19/00—Combing machines
- D01G19/04—Combing machines with pinned cylinders, e.g. rectilinear
Definitions
- the present invention relates to a combing machine with a feed device for interconnected fibers and with at least one combing head which is designed to comb out the interconnected fibers and form a fiber web, with at least one sensor for detecting nits being arranged in the area of the combing head.
- Nits are fiber entanglements or fiber knots of different sizes. This can be caused by the inadequate dissolution of the fibers during carding. Another cause can be the gluing of the fibers to one another, since due to the introduction of heat into the fibers during further processing, substances adhering to the fibers such as Flonigtau, finishing agents or impurities that are carried along tend to stick together. This applies not only to cotton, but to many natural fibers.
- neps are recorded together with noils and other impurities on the combing machine, in which the impurities separated in the round and top combs are separated, recorded and evaluated. The separated noils are analyzed with regard to the nits, among other things.
- the known method is very complex, since only the separated nits are recorded.
- the invention relates to a combing machine with at least one feed device for interconnected fibers, as well as a combing head which is designed to comb out the interconnected fibers and to form a fiber web.
- At least one sensor for detecting nits is arranged in the area of the combing head.
- the invention is characterized in that the at least one sensor is arranged above the fiber web in a stationary manner or so that it can be moved transversely to a pull-off direction of the fiber web. With a stationary arrangement of the sensors, a sensor can be provided for each combing head, with which the neps can be detected.
- the senor If the sensor is only used to temporarily examine the quality of the fiber web, it can be detachably arranged and fastened above the fiber web by means of a carrier and can be used variably from combing head to combing head.
- the movable arrangement of the sensor requires a running rail along which the sensor moves back and forth while monitoring the fiber web of a combing head or several combing heads.
- the at least one sensor is preferably arranged on or in a cover of the combing head or heads. It can be swiveled up with the cover when the machine is cleaned or a new wad of cotton is inserted.
- a part of the cover can be designed as a profile that accommodates a running rail for the movable variant of the sensor arrangement.
- the at least one sensor is arranged on a support system that bridges at least one combing head.
- the support system is arranged as an arch or bridge above the fiber web and can accommodate the at least one sensor in a stationary, releasable manner or movable transversely to the take-off direction of the fiber web.
- the support system can also have a profile in which a running rail is arranged for the movable arrangement of the at least one sensor.
- the extraction table can be designed in such a way that the fiber web is detected with high contrast.
- the contrast for the sensor can be increased by making the extractor table, for example, made of stainless steel with a polished or reflective surface that is highly reflective.
- the extraction table can also be made transparent, for example made of transparent plastic or glass, which is illuminated from below in order to achieve a high contrast with back light. All of the aforementioned embodiments have the advantage that they can be retrofitted to the combing machine or can be retrofitted.
- the at least one sensor is arranged below the fiber web in a stationary manner or so that it can be moved transversely to a withdrawal direction of the fiber web.
- the sensor is thus preferably arranged within the guide shaft through which the noils are removed.
- the sensor (s) is / are arranged permanently protected and cannot be damaged.
- a guide surface which is transparent and / or has at least one opening for detecting the fibers is preferably arranged between the at least one sensor and the fiber web.
- the at least one sensor can be aimed directly at the fiber web, or can be deflected by means of a mirror or prism, so that the viewing direction of the sensor can be directed sideways or downwards. This can protect the sensor from contamination.
- the at least one sensor can be arranged and / or fastened on or within a guide shaft directly or indirectly by means of a support system.
- the support system has a profile in which a running rail is arranged for the movable arrangement of the at least one sensor, one or more combing heads can be monitored at the same time.
- the at least one sensor can preferably be releasably attached to the cover or the support system by means of a carrier. This means that a sensor can be mounted variably from one combing head to the next. With the permanent arrangement of the sensors, the number of neps can be determined, for example to change the settings of the combing machine during the combing process. With the temporary use of a sensor, possible errors on individual combing heads can be determined, for example the condition of the round or top comb.
- the at least one sensor is arranged in the area of the drafting system for detecting nits.
- the slivers drawn off by the individual combing heads are combined and drawn in the drafting system. This has the advantage that only one or two sensors are required to record the nits.
- the width of the capture is smaller than at the individual combing heads.
- the at least one sensor is preferably arranged between the drafting system and the sliver funnel.
- the slivers lie evenly on and form a flat surface on both sides, which can preferably be detected from both sides by means of at least one sensor.
- the sliver funnel preferably has a transparent cover through which at least one sensor can detect the fibers. This protects the sensor from contamination.
- the at least one sensor is arranged, directly or indirectly, by means of a support system on the machine frame or the drafting system hood, in a stationary manner or so that it can be moved transversely to the take-off direction of the slivers. With both variants, permanent installation of the sensor for monitoring the nits is possible. This allows the setting of the combing machine to be changed depending on the combed fiber quality during the combing process.
- the at least one sensor can preferably be releasably fastened to the support system, the machine frame or the drafting system hood by means of a carrier.
- This variant can preferably be provided in order to temporarily detect the number of nits.
- the sensor with the carrier can thus be used variably for all combing machines.
- the feed device can be designed as a lap holder for a lap or as a feed device for a sliver.
- the invention is therefore not limited to a specific type of combing machine.
- the number of combing heads usually varies between 4 and 16, but can in principle be any number.
- the at least one sensor can preferably communicate with a computer or a control of the combing machine or the spinning mill preparation by means of a data line or wireless connection.
- a data line or wireless connection In the stationary variant (stationary or movable), the connection of the sensor by means of a data line can be advantageous, since the energy supply can also be secured in addition to the data line.
- the wireless connection is preferably provided for the mobile version of the sensor, which can be equipped with a small accumulator for power supply.
- the at least one sensor is preferably designed as a CCD camera which detects nits by means of image processing.
- the data volume of the image processing (number of pixels) can be used to determine accuracy, processing speed and the like
- the senor can be designed as a capacitive sensor with which the deviation (mean value) of a given capacitance can be determined.
- this sensor can represent an inexpensive alternative, since the amount of data to be processed with it is smaller than with a CCD camera.
- FIG. 1 a schematic plan view of a combing machine
- FIG. 2 a schematic side view of a combing head of a combing machine
- FIG. 3 a perspective view of part of a comber
- FIG. 4 a front view of a covered combing head
- FIG. 5 a further illustration of a covered combing head
- FIG. 6 a side view of part of a combing head
- FIG. 7 a further illustration of part of a combing head
- FIG. 8 a perspective view of the drafting device on the sliver funnel
- FIG. 9 a further representation of the drafting system of the comber.
- the comber K shown in Figure 1 has eight combing heads, each fed by a lap roll 1 with a width of 300 mm, for example. Each lap roll 1 has a length of approx. 300 m lap band 4.
- the combing heads 20 each produce a combed fiber web from the combed wadding band 4, which is combined by a sliver funnel 41 to form a combed fiber band F1 to F8.
- the sliver funnels 41 are designed as measuring funnels, by means of which the starting sliver mass at each combing head is determined.
- the slivers F1 to F8 arrive at the discharge table 39 and run through a drafting device 40 to a further sliver funnel 42 which combines all the slivers F1 to F8 into a single sliver which is deposited in a can 10.
- the sliver funnel 42 is designed as a measuring funnel, by means of which the starting sliver mass on the combing machine is determined.
- FIG. 2 shows one of the eight combing heads 20 from FIG. 1, of which at least eight are usually mounted on a combing machine.
- the combing head 20 consists of two winding rollers 21, 22, of which the front winding roller 21 is connected to a gear 23 which is driven by a motor 24.
- On the winding rollers 21, 22 lies a lap roll 1, from which the lap strip 4 is unwound by the rotary movement.
- the lap band 4 is deflected on a roller 25 and transferred to a feed cylinder 26 of a tong assembly 27.
- a pressure roller 30 which is pivotably mounted and is loaded by a lever 28 via a spring 29 is arranged on the roller 25, which is also driven here via the gear 23, a pressure roller 30 which is pivotably mounted and is loaded by a lever 28 via a spring 29 is arranged.
- the tong assembly 27 can be moved back and forth via levers and can be driven via a shaft 31 which is connected to the gear 23.
- the tong assembly 27 is in a front position and transfers the combed tuft to a subsequent pair of tear-off rollers 32.
- a round comb 33 is rotatably mounted below the tong assembly 27, which combs out the tuft presented by the closed tongs via its comb segment.
- the circular comb 33 is also drive-connected to the gear 23.
- the wadding tape 4 is wound onto a winding tube 1a.
- a not shown ratchet wheel is attached, which is rotated step by step by the back and forth movement of the pliers unit 27 by a pawl, also not shown, and thereby feeds the wadding 4 to the pliers mouth of the pliers for combing.
- the lap band 4 is continuously unrolled by the generated rotational movement of the lap roll 1 over the winding rollers 21, 22 and passes through the nip of the pressure roller 30 with the roller 25 in the area between the nip and the feed cylinder 26. Then the wad is over the Feed cylinder 26 is fed to the tong mouth of the tong assembly 27 for combing and then delivered to the tear-off rollers 32.
- the resulting fiber web 3 is combined via pairs of take-off rollers 34, 35, 36 and a take-off table 37 to form a sliver F and fed to a drafting device 40 (see FIG. 1) with the slivers also formed on the other combing heads.
- the fiber web emerging from the drafting system is combined to form a fiber sliver, the so-called combing machine sliver, and transferred to a sliver depository for depositing in a can 10.
- the cover 2 of the combing heads is not shown in FIG.
- the extraction table 37 is arranged below the fiber web 3 and can preferably be designed in such a way that the fiber web 3 is detected with high contrast.
- the contrast for the sensor 5 can be increased in that the extraction table 37 is made, for example, of high-grade steel with a polished or reflective surface that is highly reflective.
- the extraction table 37 is also made transparent, for example made of transparent plastic or glass, which is illuminated from below in order to achieve a high contrast with backlight.
- the short fibers, neps and impurities removed from the fiber material by the round comb 33 and a top comb 38 are sucked as so-called noils through a guide shaft 15 into a suction channel 16 which is assigned to all the combing heads of the machine.
- the individual head tapes from the different combing heads of the machine usually run next to each other on the take-off table 37 to the common drafting system 40.
- a sliver funnel 41 is arranged at the exit of the drafting machine and forms the web into a comber sliver, which is then deposited in a can 10 .
- Figure 3 shows a first embodiment of the invention in which only three combing heads of up to 16 combing heads are shown.
- Three lap rolls 1 lie in a receptacle, the lap sliver 4 being drawn into a combing head (not shown here) and combed out.
- the resulting fiber web 3 is drawn off via a respective sliver funnel 41 and formed into a sliver.
- a cover 2 is arranged above the combing heads and is arranged so as to be pivotable about a hinge.
- the cover 2 is usually provided for a group of combing heads, for example for four combing heads. But it can also be provided for only one or for all combing heads.
- Part of the cover 2 is designed as a U-shaped profile 6 which is used as a running rail 7 for a sensor 5.
- the sensor 5 moves in the running rail 7 along the cover 2 and its detection side is directed towards the top of the fiber web 3.
- the sensor 5 is designed to move along the running rail 7 and, in the process, to detect the combed fiber web 3 for neps by one or more combing heads.
- the speed of movement of the sensor 5 along the running rail 7 essentially depends on the detection range of the sensor 5 and the take-off speed of the batt 3.
- the detection accuracy plays a role as to whether only a part of the removed fiber web 3 has to be inspected by means of statistical evaluation, or whether the detection of the neps should take place without gaps.
- the sensor 5 can be designed, for example, as a CCD camera with a corresponding lens and the wadding belt 4 can be detected in incident light or transmitted light.
- the running rail 6 can also be assigned to each combing head or a group of combing heads, for example two combing heads, in segments.
- the sensor 5 then has to move back and forth in the running rail 7 more often, but can seamlessly monitor the resulting fiber web 3.
- the fiber web 3 is detected from its upper side for neps.
- the data from the sensor 5 can be transmitted via wireless connection to the computer, to control the combing machine or the spinning mill preparation.
- the sensor 5 can, however, also be connected to the control or the computer of the combing machine and / or the spinning preparation with a partially movable data line which is arranged within the profile 6 or the running rail.
- FIG. 4 shows a further exemplary embodiment in the front view of a covered combing head, in which each combing head is assigned its own stationary sensor 5.
- This sensor 5 can, for example, be arranged on a carrier 9 and attached to the profile 6 with the carrier 9.
- the viewing direction of the sensor 6 can again be directed from above or from the side of the fiber web 3 in order to detect neps.
- the carrier 9 can be positively arranged and aligned on the profile 6 with centering elements 11, for example with pins, grooves, tongues, etc.
- a fastening element 12 which can be designed as a magnet, screw, clamping band or adhesive connection, is used to fasten the profile 6 of the cover 2.
- the carrier 9 can, for example, also be designed in one piece or in one piece with the housing of the sensor.
- the fastening element 12 can also be formed in one piece or in one piece with the centering element 11.
- FIG. 5 shows a further exemplary embodiment of a device arranged from above the fiber web 3 for the detection of nits.
- a support system 13 that bridges the width of at least one combing head is arranged between the take-off roller 36 and the tear-off rollers 32 above the fiber web 3 and receives either a stationary sensor 5 or a sensor 5 that is movable transversely to the working direction of the fiber web 3.
- the support system 13 can be designed as a bridge or arch under which the fiber web 3 is pulled off. In the case of a stationary sensor 5, it is designed to detect the full width of the fiber web 3. In the case of a displaceably arranged sensor 3, the support system 13 has the essential elements of FIG moves.
- the support system 13 can bridge one or more combing heads and is essentially arranged and fastened on the upper side of the frame of the combing machine.
- a cover 2, not shown, is designed to cover at least parts of the combing head.
- FIG. 6 shows a further exemplary embodiment of a device for detecting nits which is arranged from below the batt 3.
- a support system 13 is arranged between the take-off rollers 34 and 35 and arranged and fastened to the frame, the frame, in the guide shaft 15 or in the suction channel 16 of the comber.
- On the support system 13 is a sensor 5 arranged in a stationary manner, which is designed to detect the full width of the fiber web 3 and to examine it for neps.
- a guide surface 14 is arranged between the sensor 5 and the fiber web 3, which guide surface 14 can be made transparent from glass or plastic. This effectively prevents the sensor 5 from being contaminated.
- the guide surface 14 can also have a corresponding slot or opening through which the sensor 5 can detect the fiber web 3 with incident light or transmitted light.
- the slot or the opening extends over the width of the fiber web 3 and has only a small extent in the working / movement direction of the fiber web, so that the fiber web does not sag at this point.
- the negative pressure in the suction can be sufficient to prevent the sensor 5 from becoming dusty or soiled.
- the guide surface can be made of stainless steel with a very low-friction surface that is less prone to contamination than a glass plate or plexiglass pane.
- the sensor 5 can be arranged and fastened in a stationary manner on the support system 13, or it can move along a running rail 7 arranged on the support system 13 transversely to the working / movement direction of the fiber web 3.
- FIG. 7 shows a further exemplary embodiment of a device for detecting nits which is arranged from below the batt 3.
- a support system 13 is arranged between the take-off rollers 34 and 35 and is arranged and fastened from below on a guide surface 14.
- the support system 13 is designed as a closed space or, together with the guide surface 14, forms a closed space. This embodiment has the advantage that the sensor 5 is largely protected from the environment.
- the embodiments of FIGS. 6 and 7 can extend over the width of a single combing head, or over a group of, for example, four combing heads, or over the width of all combing heads or the combing machine.
- FIG. 8 shows a further exemplary embodiment of a device for detecting nits.
- the illustration shows the opened drafting device 40 at the end of the comber K with a view of the sliver funnel 42, in which, after the slivers F1-F8 have been drawn, a single sliver F is drawn off and deposited in a can 10 (not shown).
- a sensor 5 is arranged directly or indirectly, which the fiber fleece F1-F8 between the drafting device 40 and the Sliver funnel 42 detected for nits.
- the sensor 5 can be attached to a support system 13, which in turn is arranged on the machine frame or the cover of the drafting system 40.
- the sensor 5 can detect the slivers F1-F8 in this representation from the front or from the rear and either be arranged in a stationary manner or be arranged movably on a running rail over the width of the slivers F1-F8. Since the slivers F1-F8 are already combined at this point and are therefore thicker than the batt 3 after the combing heads, it can be useful to detect the neps on both sides from the front and from the back.
- the cover 17 of the sliver funnel 42 is made transparent so that the sensor or sensors 5 have a clear view of the fibers.
- FIG. 9 shows a further direction of view of the opened drafting system 40 at the end of the comber K with a view from the inlet of the slivers F1-F8 into the drafting system 40.
- the sliver funnel 42 (not visible here) is arranged, from which a single sliver F is withdrawn into the pot 10, not shown.
- a carrier 13 is arranged on the drafting device hood, on the profile 6 of which a sensor 5 can be arranged in a stationary manner or in a displaceable manner transversely to the running direction of the slivers F1-F8.
- a further sensor 5 can be arranged below the slivers F1-F8 between the drafting rollers and the sliver funnel 42, so that the slivers F1-F8 can be detected on both sides.
- This arrangement according to FIGS. 8 and 9 has the advantage that the fibers of all combing heads can be detected at one position with only one or two sensors 5.
- the sensor or sensors 5 are arranged in a protected manner and are not located in the operating area into which the operator has to reach when changing the lap roll 1.
- the width to be detected by the sensors 5 is smaller than at the combing heads, so that the neps can be detected with greater accuracy despite the higher withdrawal speed.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020110332.8A DE102020110332A1 (de) | 2020-04-15 | 2020-04-15 | Kämmmaschine |
| PCT/EP2021/054823 WO2021209185A1 (de) | 2020-04-15 | 2021-02-26 | Kämmmaschine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4136283A1 true EP4136283A1 (de) | 2023-02-22 |
Family
ID=74859399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21710199.7A Pending EP4136283A1 (de) | 2020-04-15 | 2021-02-26 | Kämmmaschine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4136283A1 (de) |
| CN (1) | CN115398049B (de) |
| DE (1) | DE102020110332A1 (de) |
| WO (1) | WO2021209185A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021134464A1 (de) * | 2021-12-23 | 2023-06-29 | Trützschler Group SE | Kämmmaschine mit einer Überwachung des Kämmlings |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH669401A5 (de) * | 1988-03-02 | 1989-03-15 | Loepfe Ag Geb | |
| WO1993012278A1 (de) * | 1991-12-09 | 1993-06-24 | Maschinenfabrik Rieter Ag | Kämmaschine |
| US5383135A (en) * | 1992-12-31 | 1995-01-17 | Zellweger Uster, Inc. | Acquisition, measurement and control of thin webs on in-process textile materials |
| IL108743A (en) * | 1994-02-22 | 1998-02-22 | Mor Uzi | System and method for detection of cotton stickiness and neps and other lint qualities in real time and removal of sticky deposits from processed cotton in the gin |
| JP2717630B2 (ja) * | 1994-05-06 | 1998-02-18 | 日東紡績株式会社 | 梳綿機 |
| CH690499A5 (fr) * | 1995-01-13 | 2000-09-29 | China Textile Inst | Procédé et dispositif de filage par combinaison des opérations de peignage et étirage. |
| DE19619953A1 (de) * | 1995-05-23 | 1997-01-23 | Rieter Ag Maschf | Kämmaschine |
| CN201024248Y (zh) * | 2007-02-14 | 2008-02-20 | 北京经纬纺机新技术有限公司 | 在线棉结检测装置 |
| CN201198506Y (zh) * | 2008-03-26 | 2009-02-25 | 南阳纺织集团有限公司 | 具有稳速牵伸传动机构的精梳机 |
| CH710292A2 (de) * | 2014-10-28 | 2016-04-29 | Rieter Ag Maschf | Reinigungsvorrichtung eines Rundkammes einer Kämmmaschine. |
| CN205062288U (zh) * | 2015-10-21 | 2016-03-02 | 际华三五零九纺织有限公司 | 一种用于精梳机的光电检测装置 |
| CN110438596A (zh) * | 2019-08-15 | 2019-11-12 | 东华大学 | 一种提高精梳机输出棉条质量的装置及方法 |
-
2020
- 2020-04-15 DE DE102020110332.8A patent/DE102020110332A1/de active Pending
-
2021
- 2021-02-26 EP EP21710199.7A patent/EP4136283A1/de active Pending
- 2021-02-26 CN CN202180028382.7A patent/CN115398049B/zh active Active
- 2021-02-26 WO PCT/EP2021/054823 patent/WO2021209185A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021209185A1 (de) | 2021-10-21 |
| CN115398049A (zh) | 2022-11-25 |
| CN115398049B (zh) | 2024-11-12 |
| DE102020110332A1 (de) | 2021-10-21 |
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