CN105705691A - Lap machine and method for producing a lap from slivers - Google Patents
Lap machine and method for producing a lap from slivers Download PDFInfo
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- CN105705691A CN105705691A CN201480054358.0A CN201480054358A CN105705691A CN 105705691 A CN105705691 A CN 105705691A CN 201480054358 A CN201480054358 A CN 201480054358A CN 105705691 A CN105705691 A CN 105705691A
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- cotton machine
- lap
- volume cotton
- fiber
- fiber band
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G25/00—Lap-forming devices not integral with machines specified above
Abstract
The invention relates to a lap machine for producing a lap web from at least two slivers (3), comprising a drive apparatus (21) by way of which the lap is conveyed through at least one precompressor (8), wherein the precompressor (8) doubles the individual slivers (3) to form a lap web. The invention is characterized in that the slivers (3) are deflected and/or compacted or doubled within the precompressor (8), wherein the deflection and/or compaction or doubling is settable. The invention furthermore relates to a method for producing a lap from slivers.
Description
Technical field
The present invention relates to a kind of for by fiber with manufacturing the volume cotton machine of lap and method。
Background technology
The yarn feeding common at present (Speisung) of flat combing machine is undertaken by lap, and these laps are fabricated by by each band in advance in up-coiler。To this, up-coiler by least one path obtain band forms sample, wherein, this sample be temporarily stored in circle or in the bar cylinder of rectangle。Described up-coiler generally includes the winder unit with at least two winding roller, forms lap by means of sleeve on described winding roller。Typically at least a pair pressure roller is in the upstream of winder unit, and these pressure rollers also close and/or tension belt。It is provided with feeding region in the upstream of pressure roller in the following way, namely can arrange another compression unit or evener。
The quality of manufactured wadding of wool is conclusive for the productivity ratio of the combing machine in downstream。Based on the size that the overall diameter of the wadding of wool weight with about 25kg and 500mm to 600mm limits, the volume of production of combing machine improves and limits with the combing cycle-index of 600, because with new lap combing machine yarn feeding must always be carried out quickly and then more expensive and expense is more。
Directly alternative by bar cylinder and economy the yarn feeding of combing machine is known in the literature。
Document DE102006026841A1 describes the combing machine of a kind of improvement, and in this combing machine, fiber band flows to combing head by means of bar cylinder。In order to optimize material flowing, combing equipment is transverse to the conveying direction orientation towards drafting unit。Moreover, it is proposed that the free space of the bar cylinder of rectangle can be held in the arranged beneath of combing equipment。
In the use in the combing workshop of the sample strip cylinder of rectangle described in document DE10320452A1。When using the bar cylinder of combing machine, it is preferable that each combing head is equipped with the sample strip cylinder of at least two rectangle, the sample belt deposited with annular by these sample strip cylinders extract out for while combing。Being proved to be importantly in this application, fiber band leaves the depositing in bar cylinder of rectangle circlewise in。
Additionally, the form that document CH681309 discloses man-made fibre material is integrated with a section band or some section of band flows to combing equipment。Therefore, the main element of combing machine can with than have in processing predetermined 300mm width rolled with time less width structure。Except saving tape wrapping machine, section band can directly be taken out by bar cylinder。It is also possible that use the bar cylinder with combing cotton sliver and each combing equipment to be connected to each distinctive drafting system in downstream。
The method before described has as a drawback that, namely band is supplied directly to combing head when being temporarily stored in bar cylinder by the drafting system in carding machine or downstream。Show that the material except material vacancy gathers by band placed side by side, thus the clamping in the nipper of combing machine is not best and thus owing to isolated long fibre produced hyperbaric cotton noils。
Summary of the invention
The task of the present invention is in that to provide a kind of volume cotton machine, utilizes this volume cotton machine to manufacture the cotton strip of the high-quality for further combing process。Additionally, the task of the present invention also reside in provide a kind of for by fiber with manufacture lap method。
The present invention solves proposed task by the instruction according to claim 1 and 16；Other favourable design features of the present invention provide in the dependent claims。
Instruct according to the technology according to claim 1, for being included driving device by least two fibers with the volume cotton machine manufacturing lap breadth, utilizing this driving device that lap is carried through at least one pre-comp ressor, wherein, described pre-comp ressor is by each fiber band and synthesizes lap breadth。Present invention provide that, pre-comp ressor interior deflector and/or compression or and close described fiber band, wherein, described deflection and/or compression or and to close be adjustable。
Being in that according to the advantage of the volume cotton machine of the present invention, manufactured lap has low fluffing and high uniformity, and conventional wadding of wool does not reach the quality of this lap。Additionally, significantly larger volume can be processed by depositing in depositing bar cylinder, thus for the sample of combing machine in downstream for being sufficient significantly larger processing capacity and less change。At this, volume cotton machine is more cheap than up-coiler, wherein, by saving up-coiler and also removing its shortcoming simultaneously, as formed bubble and the inhomogeneities associated with this when winding, such as the rebounding of wadding of wool, the unwinding characteristic of difference and the fluffing that associates with this。In a word, simpler machine is utilized more easily to realize combing workshop preparation technically。
Additionally, utilize inventive feature that adjustable deflection can be made to match with fiber quality and/or space weather。At this, volume cotton machine is quite compact and flexibly。
In advantageous embodiment, between at least one pre-comp ressor and driving device, be provided with one group of pressure roller, these pressure rollers can further and condensating fiber band and simply stretch fiber band。
A kind of deformation program regulation of the present invention, volume cotton machine has two pre-comp ressors, and one of them pre-comp ressor has so-called spreader (Rechenf ü hrung)。Second pre-comp ressor can be configured with the connection sheet of cylinder or be configured to pressure strip (Kompaktierblech), thus first fiber band flattens slightly when being sent in volume cotton machine, and then compresses consumingly in spreader or and closes。
According to the present invention, at least two-layer fiber band is stacked with and mutually and close。Therefore, drawing the sufficient thickness of lap, this thickness can when not having being transferred when being processed further of combing machine。Thus, described lap has the uniform distribution in lap cross section of good uniformity and fiber。
In advantageous embodiment, 12 fiber bands placed side by side stagger ground or with identical arrangement increase other 11 to 13 fiber bands and be connected with each other or and synthesize lap, draw following advantage accordingly, namely the lap of optimal number can be supplied to combing head, without the further step being used for and closing lap。
In another kind of advantageous embodiment, volume cotton machine has at least one device for detecting the humidity in fibrous material。When the humidity of fibrous material is too low, for instance material velocity can be reduced, in order to guarantee the quality of lap。In another kind of alternative or addedly, connect sheet in pre-comp ressor, deeper engage each other such as 5mm, thus fiber band is directed to a greater degree and leveling。Therefore, it can lower the fluffing of fiber band further and improve uniformity。
Advantageously, at least one device described determines that the humidity of fibrous material is using as adjustable parameter, wherein, described adjustable parameter is compared with reference parameter and produces signal when there is deviation with reference parameter by actuator or controller, can handle at least one executor by this signal to change the operational factor of volume cotton machine。The stretching coupling in the pressure of pressure roller and/or the insertion depth of stretching and/or pre-comp ressor and/or the speed of driving device and/or the drafting system connected when necessary can be made according to determined humidity in fibrous material。
According to the first embodiment, adjustable arrangement for deflecting or hold down gag include the connection sheet connecting sheet and at least one bottom at least one top, and these connect sheet and arrange with mutually staggering。
In favourable structural form, the connection sheet with lower row of the row of being deflected through carries out, and these connect sheets and arrange with mutually staggering。At this, often row connects sheet and includes the connection sheet that at least two is independent。At this, two rows connect sheet can regulating with vertical direction along level mutually。Therefore, the connection sheet arrangement connecting sheet arrangement and whole bottom on whole top can regulate mutually。Controllability relates to level interval to each other, thus the arrangement of described connection sheet is more closely drawn close forward mutually and then amplifies the deflection of fiber band。But, described controllability is directed to vertical spacing to each other, thus makes connection sheet nibble more to each other and closes and be also achieved in the bigger deflection of fiber band。
Adjustable deflection and compress and not only include single connection sheet or controllability that whole connection sheet comes in pre-comp ressor, and include pre-comp ressor in the change connecting sheet quantitative aspects。In addition, adjustable deflection and compression also include the construction package replacing pre-comp ressor, in this replacement, for instance exchange according to there being the fiber to be processed element by the element with the top with modified deflection or compression with the whole top connecting sheet of the secured adjusted of predetermined quantity。
Another kind of improvement project realizes in the following way, and namely each connection sheet can adjust along level and vertical direction individually。Therefore, it can adjust the deflection increased along material flow direction in pre-comp ressor of the fiber band。
According to quality of materials can it is reasonable that, connect sheet along level and vertical direction there is mutually variable spacing。Can first increase along material flow direction through the deflection of pre-comp ressor, then reduce and and increase。This can pass through to insert or take out additional connection sheet and carry out, or is undertaken by connecting sheet different adjustment in the degree of depth or to each other。
The adjustment connecting sheet can manually carry out on pre-comp ressor, connects sheet individually or such as directed along connecting rod in rows and be to fix in this pre-comp ressor。For this, use common machine element for level or vertical adjustment。According to the coarse classification to fiber quality, adjustable can be provided with labelling on pre-comp ressor。
The adjustment connecting sheet can also automatically or semi-automatically carry out。When connecting that sheet is driven by motor, hydraulic pressure or pneumatic driving element and can automatically adjust, pressure roller can be utilized to be balanced in the following way by means of controller or actuator, namely, such as when connecting the mutual insertion depth of sheet or engagement is bigger, the pressure to pressure roller is reduced。
Automanual adjustable can be undertaken by the display of volume cotton machine, and its mode is, for instance adjusted on predetermined fiber quality by pre-comp ressor。
In a kind of advantageous embodiment, the side making fiber belt deflector connecting sheet has the profile of rounding。This profile has proven to be advantageous for for perishable fiber, such as Cotton Gossypii。
For solid chemical fibre, the side that fiber deflects that makes connecting sheet can have at least one sharp seamed edge。
Have proven to as particularly advantageously, connecting sheet and be configured to cylinder。Drawing the deflection that the extreme care of fiber is thriving, in this deflection, fiber is substantially only leveled。For roll up cotton machine operating, connect sheet can along with rotation, thus the resistance to fiber band becomes fairly small。Only when the lap formed has minimum speed, just can carry out the fixing of cylinder by the resistance such as slowly raised。
The particularly advantageous leveling of fiberBe directed through following manner realize, namely connect sheet be configured to along or rotating against material flow direction。For this, connection sheet or cylindrical design become can be powered。
Can realizing another kind of improvement project in the following way, namely at least one connection sheet of pre-comp ressor has the profile towards fiber band bending。This connection sheet can convexly bend or molding, thus the spacing connecting sheet is less than on side in the centre of cargo rail or fiber band。Therefore, the material of fiber band can partly be expressed on side, in order to the best sample of fibrous material realizes the width of the storage bar cylinder of rectangle。
Being compressed by two belts surrounded in alternative pre-comp ressor, fiber band is compressed between the described belt surrounded。Described embodiment has the advantage that, namely very thin fiber band is also reliably guided when compressing。
In a kind of advantageous embodiment, belt is arranged with being in acute angle。Therefore, fiber band can enter between described two belts in infundibulate and compress constantly。
According to previous embodiment, described belt can drive dividually and/or can mutually adjust under thrust, thus utilizing described compression can adjust less stretching。
In a kind of alternative embodiment, compressing the belt by roller with around this roller and carry out, fiber band is compressed between described belt。Described embodiment can economical space saving be integrated in volume cotton machine according to the shortest structure space, and wherein, fiber band is simultaneously directed。
By the driving being used for roller and belt can be adjusted dividually, it is possible to make fiber band distort in little scope。By the adjustable adjusting performance of the tensioning between described roller and the belt extruding force to fiber band。
Similarly, adjusting the fiber band winding angle around roller in the following way, namely the guide roller of described belt moves toward each other or remotely from one another。
Another embodiment for compressing fiber band is realized by pressure strip, and this pressure strip utilizes pre-tensioner being expressed on fiber band。Described prestressing force can by being appropriately selected material, such as latch plate realizes, and/or the plate being expressed on fiber band by prebuckling realizes。
It it is adjustable relative to fiber band by pressure strip in pre-tensioner and/height, thus it is possible to vary thrust。Power on pressure strip to fiber band is less or backing plate this fiber band more at ordinary times is only leveled from the teeth outwards。If improving pre-tensioner and/or so adjusting pressure strip so that seamed edge above slides on fiber band, then the significantly compression and the contrast that realize fiber band regulate。
According to the present invention for by fiber with manufacture lap method regulation, at least two-layer fiber band be stacked with and deflect by least one pre-comp ressor and/or compress or and close, and the lap so formed is storable in storage bar cylinder, wherein, the deflection in pre-comp ressor of the fiber band and/or compression or and the parameter that closes be adjustable。
According to it is an advantage of the method for the invention that lap has little fluffing and high uniformity, traditional wadding of wool does not reach the quality of this lap。Furthermore it is possible to by the amount of storage significantly larger volume of processing in storage bar cylinder, thus for the sample of combing machine in downstream for being sufficient significantly more processing capacity and must less change。Utilize inventive feature it is possible that adjustable deflection is matched with fiber quality and/or is matched with space weather。
In a kind of advantageous embodiment, at least part of interchangeable of pre-comp ressor it is arranged in the inside sending into region。The element on the different pre-adjusted top of pre-comp ressor can be exchanged by operator according to fiber quality。Therefore, certainly only providing little motility about the adjustable parameter of volume cotton machine, this has the advantage that on the other hand, namely can be supplied to pre-comp ressor as the transformation solution being dirt cheap in said embodiment。
Another kind of improvement project realizes in the following way, and namely pre-comp ressor has the deflection for fiber band and compression, adjustable or interconvertible element。Therefore, it can adjust targetedly these elements according to fiber quality。
At least determine the humidity in fibrous material as particularly advantageous embodiment and then produce adjustable parameter, wherein, described adjustable parameter is compared and can by means of signal manipulation executor to change operational factor when there is deviation with reference parameter with reference to parameter。
Therefore, in contrast to the prior art, it not coupling micro climate, but the operational factor of volume cotton machine is matched with the environmental condition of the weather of textile mills (Spinnerei), thus always producing the lap of high-quality。At this, it is possible to stand the volume cotton machine productivity ratio when space weather too dry consciously and decline。This can be compensated by the more intensive effect of pre-comp ressor。But, the whole service of volume cotton machine becoming originally to see, this is substantially more favourable than the consuming on the energy that must spend to manufacture the micro climate being unable to undergo interference and maintenance。
Therefore, the operational factor of volume cotton machine need not for good and all be mated, and only just produces the signal for operation of actuator when adjustable parameter exceedes or lower than threshold value。It is thus possible, for instance when the workshop door passing through to open wide is transported into or transports material temporarily, the minor variations of weather is negligible。
Accompanying drawing explanation
The present invention is explained in more detail below by multiple possible embodiments schematically shown。Accompanying drawing illustrates:
Fig. 1 is the schematic sectional view of up-coiler；
Fig. 2 is the volume cotton machine schematic diagram according to the present invention；
Fig. 3 is the schematic diagram of the first pre-comp ressor；
Fig. 4 is the schematic diagram of the second embodiment of pre-comp ressor；
Fig. 5 is the schematic diagram of the 3rd embodiment of pre-comp ressor；
Fig. 6 is the schematic diagram of the 4th embodiment of pre-comp ressor；
Fig. 7 is the schematic diagram of the 5th embodiment of pre-comp ressor；
Fig. 8 is the schematic diagram of the different contour shape of pre-comp ressor；
Fig. 9 is the schematic diagram of the 6th embodiment of pre-comp ressor；
Figure 10 a-c is the schematic diagram of the 7th embodiment of pre-comp ressor；
Figure 11 is the schematic diagram of the 8th embodiment of pre-comp ressor；
Figure 12 is the schematic diagram of the 9th embodiment of pre-comp ressor；
Figure 13 is the schematic diagram of the tenth embodiment of pre-comp ressor；
Figure 14 is the schematic diagram of the second embodiment of the volume cotton machine according to the present invention；
Figure 15 is the schematic diagram of the 3rd embodiment of the volume cotton machine according to the present invention；
Figure 16 is the schematic diagram of the 4th embodiment of the volume cotton machine according to the present invention。
Detailed description of the invention
Figure 1 illustrates how up-coiler 1 such as uses in textile industry in the preparation of combing workshop。The a plurality of fiber can being made up of natural or artificial fiber is with the 3 bar cylinder conveyings passing through up-coiler 1 and contrast regulates in unshowned drafting system and if desired in desk-top calender。Fiber band 3 continues through feeding region 2 and carries to multiple pressure roller 4a-4c, and fiber is directed to drawing in region between two winding roller 5a, 5b and winding sleeve 6 with 3 by these pressure rollers。Send in region 2 or on be provided with pre-comp ressor 8, the contrast of this pre-comp ressor regulates fiber band 3.
Alternative have two embodiments winding roller 5a, 5b in described, it is known that following up-coiler, in the inside of the band surrounded or by band utilization winding roller formation wadding of wool in described up-coiler。
Symbolically figure 2 illustrates according to an embodiment of a kind of embodiment of the volume cotton machine 10 of the present invention。Volume cotton machine 10 consists essentially of feeding region (being provided with pre-comp ressor 8 in this feeding region) 2, one group of pressure roller 4a, 4b, 4c and driving device 21, utilize this driving device to carry one or more of fiber band 3 along material flow direction by rolling up cotton machine 10。In the end of volume cotton machine 10, fiber band 3 is stored in storage bar cylinder 20。
Fiber is utilized such as unshowned warping creel to flow to the feeding region 2 of volume cotton machine 10 with 3 by unshowned sample strip cylinder。Where it determines that the fiber band 3 of quantity stores abreast, and the fiber of about the same quantity is added on the fiber band previously stored with 3。In a preferred embodiment, 12 fiber bands are placed side by side, and increase other 11 to 13 fibers and take on these fiber bands。This can stagger ground or carry out with directly overlapping each other。The fiber band 3 being arranged so as to is through pre-comp ressor 8 and is subsequently passed through pressure roller 4a, 4b, 4c, and is then stored in storage bar cylinder 20 as lap。As already mentioned, described band is also additionally guided through drafting system and/or at least one desk-top calender。
Pre-comp ressor 8 is configured to adjustable pre-comp ressor 8, in this pre-comp ressor, connects sheet and is interconvertible at vpg connection and is to mutually adjust in spacing and in the degree of depth。Different version is drawn by Fig. 3 to 13 and affiliated explanation。At this, pre-comp ressor 8 have by fiber with 3 together compression or somewhat connect or and the task of closing, at this, contrast regulates and flattens。
It is arranged in pressure roller 4a, 4b, the 4c in downstream to have fiber with 3 and the task of closing, compress or compressing and/or somewhat being stretched by the speed difference between pressure roller 4a, 4b, 4c。
Driving device 21 can include double; two belt drives or one or more roller pair, and described roller is to being arranged in the downstream of pressure roller 4a-4c and by pre-comp ressor 8 and being elongated and be subsequently stored in the storage bar cylinder 20 of rectangle with 3 laps formed by pressure roller 4a-4c by fiber。Lap is stored in storage bar cylinder 20 and utilizes the flex point stored with staggering to carry out, in order to expand volume and for being processed further the minimum loads at the flex point place at lap in combing machine subsequently。In contrast to the prior art, storage bar cylinder 20 does not have the spring-leaf retainer that can sink, but by guiding seat ring along bar cylinder periphery in the gap of side arrangement, wherein, described seat ring can be moved up and down by screw mandrel。
It is in that according to the advantage of the volume cotton machine of the present invention, compared with wadding of wool, improves cotton rolling quality with less fluffing and good uniformity。Significantly larger volume can be processed by the amount of storage in bar cylinder, thus for the sample of combing machine in downstream for being sufficient significantly larger processing capacity and must less change。Additionally, volume cotton machine is more cheap than up-coiler, wherein, also remove it as formed bubble and the shortcoming of inhomogeneities associated with this when winding by saving up-coiler simultaneously, eliminate such as the rebounding of wadding of wool, the wadding of wool characteristic of difference and the fluffing that associates with this。In a word, simpler machine is utilized more easily to realize combing workshop preparation in technique。Arbitrary lap precision is may be used for, for instance for the lap precision of 50-80ktex according to the volume cotton machine of the present invention。
For traditional flat combing machine, by utilizing the lap sample of the storage bar cylinder from rectangle to draw the cotton noils percentage ratio of reduction according to the manufacture of the lap of the present inventionHigher top qualityDown time is decreased, because comparing storage bar cylinder with wadding of wool can hold significantly more lap owing to less changing lap。So far the installation automatically of lap can farthest be accepted。
Rotate combing owing to being just made available by from the lap sample of storage bar cylinder, because the sample from wadding of wool is nearly impossible due to high process velocity。Time for carrying new wadding of wool is almost equally long with the operation time rotating combing machine。In the rotor combing machine have more than one sampling device or two combing heads, the lap sample from storage bar cylinder is desirable in space requirement and replacing construction。
Also more advantage is drawn, because whole transport automatization (track, wadding of wool car, handbarrow) for wadding of wool can be saved for whole combing workshop。
Following view essentially show the different embodiment of the pre-comp ressor 8 of volume cotton machine and simplifies the connection sheet of pre-comp ressor 8 and the view of the cross section of adjustable。In order to simplify not shown component around。
According to the first embodiment of Fig. 3, pre-comp ressor 8 includes a top and a bottom connection sheet 11a, 12a, and this connection sheet can adjust along level and vertical direction respectively。Fiber band 3 is connecting deflection between sheet 11a, 12a, and wherein, material flow direction is extended to the left side by the right in this embodiment。It can be seen that along with the vertical adjustment fiber band 3 increased connecting sheet 11a, 12a more strongly deflects。Vertically there is minimum overlay once connect sheet 11a, 12a that is intermesh, then connecting the adjustment of level of sheet 11a, 12a and also can realize the deflection of strengthening that fiber is with 3。
According in second embodiment of Fig. 4, pre-comp ressor 8 has the connection sheet 12a-12b connecting sheet 11a-11c and lower row of upper row。Often row's connection sheet 11a-11c and 12a-12b can together adjust in height。Additionally, each connects sheet 11a-11c and 12a-12c can also be adjustable in height。The connection sheet 12a-12b connecting sheet 11a-11c and lower row of upper row arranges with staggering, thus connecting sheet 12a and 12b in this embodiment can be embedded into connection sheet 11a and 11b, and in the space between 11b and 11c。Therefore, fiber band 3 along material flow direction 7 wavy be conducted through connection sheet, wherein, each connection sheet makes fiber band 3 deflect at least in part in direction。More multiple rows of connection sheet 11a-11c and 12a-12b is cross-linked as engaged, and fiber is more big and then the impact of cotton rolling quality is more big with the deflection of 3。
The third and fourth embodiment shown in Fig. 5 and Fig. 6 illustrates, connect sheet 11a-11c and 12a-12b individually and with entire row alternately along or be movably disposed against material flow direction 7。Connect sheet according to the embodiment of Fig. 5 closely to arrange along material flow direction, thus fiber is located first to deflect slightly at the beginning of pre-comp ressor 8 with 3, and then more strongly deflect towards end, because always shorter in the spacing connected between sheet 11a, 11b and 12a。It is adjustable additionally, connect sheet 11a-11c and 12a-12b in height with entire row and then more strongly engages。It is evident that in order to fiber with 3 bigger deflection connect sheet can not only be close to each other more closely, and also be able to more strongly be engaged with each other in the degree of depth。
According to the embodiment of Fig. 6, each connection sheet 11a-11c and 12a-12b can adjust in height and along material flow direction 7 individually, thus the winding that fiber is with the change of 3 is possible。Connecting sheet 11a, 11b and 12a along material flow direction substantially overlapping more than connecting sheet 11c and 12b, being significantly deeper embedded in the space connected between sheet 11a-11d by means of altitude mixture control because connecting sheet 11a, 11b and 12a。
Connection sheet quantity in upper row 11a-11d and lower row 12a-12d changes in the figure 7, thereby through connect sheet quantity and therefore pass through fiber with 3 devlation similarly can affect the quality of lap。
Illustrating the connection sheet with different cross sections in the embodiment shown in fig. 8, wherein, it is different for particularly making the fiber each edge face structure with 3 deflections。Connecting sheet 11b at this and illustrate prior art in the following way, namely in the region of end face, sectional curve is configured to frustum seamed edge cone。
Have Sharp edge end face connect sheet that is have truncated end face connect sheet 11a and have slightly pointed end face connect sheet 11d be particularly suitable for long fibre, solid chemical fibre or be suitable for fiber mixture。
The sheet that connects of the end face 11c with rounding is particularly suitable for natural or short fiber, such as Cotton Gossypii, because here (even if big deflection angle) carries out the deflection that SC is thriving。This curve being equally applicable to connect the circle of sheet 11e, fiber band 3 extreme care cautiously slips over this connection sheet, and fiber is directed at this and compresses slightly。
In the embodiment shown in Fig. 9, connecting sheet 11a-11c and the 12a-12b cylinder being configured to fix, fiber band 3 deflects between this cylinder。Self-evidently, here connect sheet 11a-11c and connection sheet 12a-12b and also be able in vertical spacing to mutually adjust, thus producing the engagement being cross-linked connecting sheet with the cross-sectional profiles of cylinder。According to previous embodiment, connection sheet 11a-11c and 12a-12b can generally or individually adjust along the spacing of material flow direction 7, thus the change being wound around is adjustable。According to there being fiber to be processed, not only connect sheet 11a-11c and 12a-12b quantity and also its diameter is variable。
A kind of particularly advantageous embodiment can realize in the following way, and namely sheet 11a-11c and the 12a-12b that connects in pre-comp ressor 8 can be by adjusting of fixing that run or rotate together together。Therefore, starting period, at fiber band 3 by rolling up cotton machine 10 transported period, connecting sheet 11a-11c and 12a-12b can rotate together along material flow direction, in order to make fiber keep little with the resistance on 3。After fiber has been carried out predetermined speed with 3 in volume cotton machine, corresponding counteracting force can be utilized to adjust fixing by connecting sheet 11a-11c and 12a-12b, in order to make fiber alignment and more strongly and condensating fiber band 3 better。For this, pre-comp ressor 8 has corresponding for connecting the supporting structure of sheet 11a-11c and 12a-12b, and locking device, this locking device can manually, semi-automatically or automatically by fix be transformed into that rotate together and vice versa。
Another kind of improvement project can realize in the following way, namely at least drives the part connecting sheet 11a-11c and 12a-12b of the cross section with cylinder。Fiber band 3 can also better flatten and make fiber also better directed in the following way, namely such as utilize differential along or against material flow direction 7 at least drive connect sheet 11a-11c a part。
In conjunction with the second pre-comp ressor 8, utilize the profile of the rectangle such as connecting sheet can abandon pressure roller 4a-4c (see Figure 15 and 16), thus only there also is provided one or two pre-comp ressors 8 in the upstream of driving device 21。Volume cotton machine 10 is therefore, it is possible to closely and at a low price build。
The another kind of improvement project of lap can realize in the following way, namely connects the surface modification of sheet in all of embodiment before, and this surface contacts with fiber band 3。Smooth surface, such as chromium plating and/or polishing, may be advantageous in that especially for chopped fiber。Coarse targetedly or with ripple surface is proved and is advantageous in chemical fibre。
Thus setting out acquiescently in embodiment before, namely the sheet that connects of pre-comp ressor is always mutually arranged with parallel orientation, that is has constant spacing about goods width。Another kind of embodiment according to Figure 10 a-10c, at least one connects that sheet 11a is configured to convex or bends slightly towards fiber band 3, thus connect sheet in the middle of exist with fiber with 3 less spacing and outwards exist with fiber with 3 bigger quasi-spacing。Therefore, fiber with 3 material can partly be expressed on side, in order to obtain the best cross section for there being lap to be stored。
Figure 10 a illustrates the arrangement of the company's blade width connecting sheet 11a about the smooth convex connecting sheet 12a and a top with a bottom, and said two connects sheet and arranges with staggering along material flow direction。
Figure 10 b illustrates and connects the stacked of sheet 11a, 12a, and wherein, the connection sheet 11a on the top of convex bending is inserted between the connection sheet of two bottoms, the connection sheet of the two bottom be only capable of the connection sheet 12a seen above。
In Figure 10 c at least two connect sheet 11a, 12a be convex bending, and cause fiber with 3 out to send into region 2 side on movement。
Connect the spacing of sheet 11a, 12a or it overlaps and the quantity connecting sheet 11a, 12a of bending can be matched with fiber to be processed equally。
In the embodiment shown in fig. 11, pre-comp ressor 8 includes two belt 13a, 13b surrounded, conpressed fibers band 3 between the two belt。At least one belt 13a, 13b is it is so structured that sieve aperture band, in order to the air carried can vapor away。Additionally, belt 13a, 13b can be in the angle of wedge angle in infundibulate arrange, in order to fiber band 3 can enter in the absence of stress, and the compression in the end of belt 13a, 13b can be utilized to discharge。The advantage of this pre-comp ressor 8 is in that, even if when high pressure or big adjusted stretching, fiber band 3 is also reliably carried。For this, it is preferable that belt 13a, 13b are driven discriminably and can mutually adjust under thrust。
In the embodiment shown in fig. 12, fiber with 3 in the constricted zone of pre-comp ressor 8 directed by sending into roller 17, this pre-comp ressor is formed by the roller 15 with the belt 14 surrounded at least partially about roller 15。Two guide rollers 16a, 16b are formed for fiber with 3 openings entered, and in this fiber band, belt 14 is directed as the Omega Ω stood upside down。Therefore fiber band 3 runs at the spaced winding roller 15 of belt 14 and roller 15, and is directed to pressure roller 4a-4c along material flow direction by distributing roller 18。Fiber is adjusted with thrust on 3, between belt 14 and roller 15 by the tensile force to belt 14。By the possible speed difference between belt 14 and roller 15 can adjust fiber with 3 on stretching。Can adjusting fiber with 3 around the maximum winding angle of roller 15 by the adjustable of the level of guide roller 16a, 16b, this maximum winding angle is in this embodiment about 270 °。It is mixed into air to remove, it is possible to otherwise belt 14 is configured to sieve aperture band, otherwise the surface of roller 15 is formed by the perforated plate configuration with built-in exhaust apparatus。Here, the different surface of belt 14 and roller 15 can also be utilized to operate according to fiber quality。
Figure 13 illustrates another embodiment of pre-comp ressor 8, this pre-comp ressor can fairly simply be integrated in the feeding region 2 of volume cotton machine, and its mode is, pressure strip 19 utilizes the pressure limited to be applied on fiber band 3。Pressure strip 19 such as can be made up of spring steel and utilize and pre-tensioner be expressed on fiber band 3, and therefore this fiber band is compressed between guide table and pressure strip 19。Pressure strip 19 is utilized to contrast adjustment fiber in the simplest way and compress slightly。Pressure strip 19 is arranged in the feeding region of volume cotton machine 10 adjustably, and wherein, fiber band 3 does not here deflect, but is regulated by pressure comparison and compress。The adjustable of pressure strip 19 includes sending into the layout within region 2, and thus, pressure strip 19 is adjustable relative to fiber band 3 in height。Fiber can be adjusted by the consequent elastic stress of pressure strip 19 to regulate with the contrast on 3 and compression。As fruit fiber slips over seamed edge before pressure strip 19 increasedly with 3, then form the compression of increase。As fruit fiber slips over the surface of pressure strip 19 increasedly with 3, then thus reinforcing fibre, to the orientation on surface, and affects MD/CD-ratio indistinctively。
According in Fig. 2 and Figure 14 to all embodiments of the volume cotton machine 10 shown in Figure 16, at least two-layer fiber band 3 is stacked with and mutually and close。Preferably, 12 layers of fiber with 3 on stagger ground or by identical layout increase other 11 to 13 layers of fiber band 3 and be connected with each other or and synthesize lap and leveling and directed at this, even if illustrate only fiber band in these figures。It is also possible that wherein, volume cotton machine can include the combination of unshowned element to other embodiment。
According to the present invention, according to Figure 14 volume cotton machine 10 the second embodiment in, upstream arrangement at pressure roller 4a-4c has two pre-comp ressors 8,8', wherein, pre-comp ressor 8 have the embodiment according to Fig. 4 to 7, with usually said spreader, the profile arranged with staggering and pre-comp ressor 8' have the embodiment according to Fig. 9, arrange with staggering, the roller that runs together。Fiber band 3 be thus guided through first carefully pre-comp ressor 8' and and close, then pass through pre-comp ressor 8 more strongly deflect, directed and flatten at this, and then pass through pressure roller 4a-4c again by and merge and be leveled, and be subsequently stored in the storage bar cylinder 20 of rectangle。Described additional precommpression carefully can cause bigger lap uniformity and better compression, thereby, it is possible to improve Combing Quality and particularly cotton noils
3rd embodiment of the volume cotton machine 10 shown in Figure 15 is equivalent to the embodiment shown in Figure 14, wherein, eliminate pressure roller, thus the fiber band 3 for forming lap is only elongated by two pre-comp ressors 8,8' by driving device 21, there and merge and flatten and be stored in the storage bar cylinder 20 of rectangle。Forming the most cheap of volume cotton machine 10 and simplest embodiment with this, utilize this embodiment ground floor fiber to form lap as the sample for combing machine with 3, second layer fiber band 3 is piled up on this ground floor fiber band。
4th embodiment of volume cotton machine 10 use embodiment shown in Figure 13, usually said pressure strip replace roller that is that arrange with staggering and that run together as pre-comp ressor 8', utilize this pressure strip that fiber band 3 that be stacked with and placed side by side is mutually compressed and flattened。This embodiment also can realize the embodiment of the cheap and simple in construction of volume cotton machine 10, utilizes this embodiment ground floor fiber to form lap as the sample for combing machine with 3, and second layer fiber band 3 is piled up on this ground floor fiber band。
But in the whole length of volume cotton machine 10, particularly in sending into region, fiber band 3 is directed in side, thus the lap produced has following width, this width is equal to the width of the storage bar cylinder 20 of rectangle。Owing to the amount of storage of the dislocation of flex point forms very big volume, and flex point not load。The width of lap can be such as 300mm so far, but also can be matched with the optimum width of the combing head of combing machine。When needed, lap is transported in storage bar cylinder and can be undertaken by (width than storage bar cylinder) narrower guide rail, thus owing to stored weight lap can flick in side and then loosen in storage bar cylinder。This is important for taking out the lap for combing process, because not being loose wire with regard to this lap edge when taking out from storage bar cylinder, and is to maintain its geometric profile from volume cotton machine。
In another embodiment, the bar tube inner surface of side supports the formation at lap edge。When such as lap more broadly enters in bar cylinder than the width of bar cylinder, lap edge is at edge's turnup of bar cylinder and is then delivered on side surface。
In a kind of advantageous embodiment, volume cotton machine has the device for detecting the humidity in the fibrous material in volume cotton machine。The pressure of pressure roller 4a-4c can be matched with the insertion depth of pre-comp ressor 8 and/or the speed of driving device according to determined humidity in fibrous material。
Having proven to the weaving weather air humidity when such as temperature is 24 ° in textile mills is 60% for being best humidity Cotton Gossypii, and wherein, material humidity is a crucial factor。It has proven convenient that the too low processing to fiber of the humidity of fibrous material has negative impact。At this, the present invention utilizes following knowledge, and namely such as Cotton Gossypii can be processed more well than when dry under wet conditions, because while humidity increases, fiber rigidity and friction reduce。Humidity adjustment volume cotton machine according to material to be processed, its mode is, optimizes material velocity, insertion depth to the pressure on pressure roller, stretching between pressure roller and/or pre-comp ressor。This differently can carry out with when processing the fibre blend of the polyester fiber with such as high-load when processing Cotton Gossypii。
Also higher air humidity is expected, because along with air humidity increases the static electric charge reduction of fiber and then can process fiber more well when processed polyesters fiber。
Material velocity such as can be reduced, in order to guarantee the quality of lap when the humidity of fibrous material is too low。In another kind of alternative or additional project, the connection sheet in pre-comp ressor such as deeper engages each other with 5mm, so that fiber band is more strongly directed and leveling。
In a kind of advantageous embodiment, optical measurement accepter is used as measuring instrument, and the light of this optical measurement receptor reflection is absorbed by material humidity。Alternatively, it is possible to use based on the measurement system of microwave, this measurement systematic survey material humidity。
Particularly good being integrated into the technical scheme regulation in volume cotton machine, determine material humidity by resistance measurement, wherein measurement apparatus is such as integrated in pressure roller。Enough adjustment sections are obtained, in order to such as regulate the insertion depth of material velocity and/or pre-comp ressor with this。
In general, climatic condition can be determined by client and affect。At this, the maintenance of optimal process weather is not likely to realize or be only capable of difficulty realizing for all processes step。Different from the prior art creating a kind of micro climate expending energy for each course of processing, the present invention continues and is matched by the weather of machine parameter Yu existence at this。Only when lower than or when exceeding usually said threshold value, the machine parameter of pre-adjustment just changes。Such as when relative air humidity is fallen below 40% by 60%, it is possible to reduce material velocity。It is reduced to 55% by such as 60% and during then to 50% in relative air humidity, alternatively can increase the insertion depth connecting sheet of pre-comp ressor step by step, and not make yield decline。Adjustment and control about threshold value have the advantage that, the operator namely rolling up cotton machine is selecting machine parameter to be not necessary to consider safety, but can select the optimal parameter of matching materials。It is capable of higher cotton rolling quality or the speed of production that improve when best weaving weather with this。
Therefore, according to have the change of fiber to be processed and weather on the one hand can together with or change machine parameter individually, in order to guarantee sufficient product quality。Guarantee to run volume cotton machine when best weather with the highest productivity ratio with this on the other hand。
In a preferred embodiment, volume cotton machine has data base, has the climatic data of the best in this data base for each kinds of fibers storage。Additionally, in this data base can also the control algolithm of memory attaching, utilize the adjustment of this control algolithm to run volume cotton machine when there is deviation with optimum climate data。Can be similarly each kinds of fibers storage threshold value, it is necessary to lower than or exceed this threshold value, in order to utilize different operational factor to run volume cotton machine。
Data base can be the parts of controller/actuator, measured air humidity is brought into as input parameter in this data base as adjustable parameter, utilizing this adjustable parameter to compare the best air humidity as reference parameter and controller/actuator by means of signal manipulation executor, the rotating speed driving motor of driving device 21 is such as worked by this executor。
Therefore possible that, the climate matching in textile mills is in main machine, such as match on carding machine or combing machine, and manufactures lap with best quality and productivity ratio simultaneously。Even if the productivity ratio of the weather volume cotton machine owing to not being the best declines if desired, whole service cost is still significantly lower than the consuming on the energy of micro climate。
Reference numerals list:
1 up-coiler
2 send into region
3 fiber bands
4a-4c pressure roller
5a, 5b wind roller
6 winding sleeves
7 material flow direction
8,8' pre-comp ressor
10 volume cotton machines
11a-11d connects sheet
12a-12d connects sheet
13a, b belt
14 belts
15 rollers
16a, b guide roller
17 send into roller
18 distributing rollers
19 pressure strips
20 storage bar cylinders
21 driving devices
Claims (amendment according to treaty the 19th article)
1. for being manufactured lap breadths by least two fiber bands (3) so that the volume cotton machine being processed further in combing machine, described volume cotton machine includes driving device (21), utilize this driving device conveying lap at least one pre-comp ressor of traverse (8), wherein, described pre-comp ressor (8) is by each bar fiber band (3) and synthesizes lap breadth, wherein, the interior deflector of pre-comp ressor (8) and/or compression or and close described fiber band (3), wherein, described deflection and/or compression or and to close be adjustable, it is characterized in that, at least two-layer fiber band (3) is stacked with and mutually and close。
2. volume cotton machine according to claim 1, it is characterised in that be provided with one group of pressure roller (4a, 4b, 4c) between described at least one pre-comp ressor (8) and described driving device (21)。
3. volume cotton machine according to claim 1, it is characterised in that described volume cotton machine has two pre-comp ressors (8,8'), and one of them pre-comp ressor (8) has spreader。
4. volume cotton machine according to claim 3, it is characterized in that, 12 fiber bands (3) placed side by side stagger ground or increase other 11 to 13 fiber bands (3) with identical arrangement and be connected with each other or and synthesize lap。
5. volume cotton machine according to claim 1, it is characterised in that described volume cotton machine has at least one device for detecting the humidity in fibrous material。
6. volume cotton machine according to claim 5, it is characterized in that, at least one device described determines that the humidity of fibrous material is using as adjustable parameter, described adjustable parameter is compared with reference parameter and produces signal when there is deviation with reference parameter by actuator or controller, can handle at least one executor by this signal to change the operational factor of volume cotton machine。
7. volume cotton machine according to claim 1, it is characterized in that, described fiber band (3) is deflected by the connection sheet (11a, 12a) with a bottom at least one top in described pre-comp ressor (8), and described connection sheet is arranged with mutually staggering。
8. volume cotton machine according to claim 1, it is characterised in that described fiber band (3) in described pre-comp ressor (8) by upper row's with the connection sheet (11a-11d of lower row；12a-12d) deflecting, described connection sheet is arranged with mutually staggering。
9. volume cotton machine according to claim 8, it is characterised in that described connection sheet (11a-11d；Arrangement 12a-12d) can mutually adjusting with vertical direction along level。
10. according to the volume cotton machine one of the claims 8 to 9 Suo Shu, it is characterised in that each connection sheet (11a-11d, 12a-12d) can adjust along level and vertical direction。
11. according to the volume cotton machine one of the claims 8 to 10 Suo Shu, it is characterised in that the side that described fiber band (3) deflects that makes of described connection sheet (11a-11d, 12a-12d) has the profile of rounding or sharp seamed edge。
12. according to the volume cotton machine one of the claims 8 to 11 Suo Shu, it is characterised in that described connection sheet (11a-11d, 12a-12d) is configured to cylinder。
13. volume cotton machine according to claim 12, it is characterised in that described connection sheet (11a-11d, 12a-12d) be configured to along or rotating against material flow direction。
14. volume cotton machine according to claim 1, it is characterised in that described pre-comp ressor (8) has pressure strip (19)。
15. for being manufactured lap so that the method being processed further in combing machine by fiber band (3), wherein, at least two-layer fiber band (3) be stacked with and by least one pre-comp ressor (8) deflected and/or compacted or by and close, and the lap so formed can be stored in storage bar cylinder (20), wherein, in described pre-comp ressor (8) about the deflection of described fiber band (3) and/or compression or and the parameter that closes be adjustable, it is characterized in that, described at least one pre-comp ressor (8) is arranged in interchangeable the inside sending into region (2) at least partly。
16. the method for manufacturing lap according to claim 15, it is characterised in that described pre-comp ressor (8) has element adjustable or interconvertible, for making described fiber band (3) deflect。
17. the method for manufacturing lap according to claim 15, it is characterized in that, determine the humidity in fibrous material and then produce adjustable parameter, wherein, described adjustable parameter is compared and can by means of signal manipulation executor to change operational factor when there is deviation with reference parameter with reference to parameter。
18. the method for manufacturing lap according to claim 17, it is characterised in that only just produce the signal for operation of actuator when described adjustable parameter exceedes or lower than threshold value。
Claims (20)
1. for being manufactured the volume cotton machine of lap breadth by least two fiber bands (3), described volume cotton machine includes driving device (21), utilize this driving device conveying lap at least one pre-comp ressor of traverse (8), wherein, described pre-comp ressor (8) is by each bar fiber band (3) and synthesizes lap breadth, it is characterized in that, the interior deflector of pre-comp ressor (8) and/or compression or and close described fiber band (3), wherein, described deflection and/or compression or and to close be adjustable。
2. volume cotton machine according to claim 1, it is characterised in that be provided with one group of pressure roller (4a, 4b, 4c) between described at least one pre-comp ressor (8) and described driving device (21)。
3. volume cotton machine according to claim 1, it is characterised in that described volume cotton machine has two pre-comp ressors (8,8'), and one of them pre-comp ressor (8) has spreader。
4. according to the volume cotton machine one of the claims Suo Shu, it is characterised in that at least two-layer fiber band (3) is stacked with and mutually and close。
5. volume cotton machine according to claim 4, it is characterized in that, 12 fiber bands (3) placed side by side stagger ground or increase other 11 to 13 fiber bands (3) with identical arrangement and be connected with each other or and synthesize lap。
6. volume cotton machine according to claim 1, it is characterised in that described volume cotton machine has at least one device for detecting the humidity in fibrous material。
7. volume cotton machine according to claim 6, it is characterized in that, at least one device described determines that the humidity of fibrous material is using as adjustable parameter, described adjustable parameter is compared with reference parameter and produces signal when there is deviation with reference parameter by actuator or controller, can handle at least one executor by this signal to change the operational factor of volume cotton machine。
8. volume cotton machine according to claim 1, it is characterized in that, described fiber band (3) is deflected by the connection sheet (11a, 12a) with a bottom at least one top in described pre-comp ressor (8), and described connection sheet is arranged with mutually staggering。
9. volume cotton machine according to claim 1, it is characterised in that described fiber band (3) in described pre-comp ressor (8) by upper row's with the connection sheet (11a-11d of lower row；12a-12d) deflecting, described connection sheet is arranged with mutually staggering。
10. volume cotton machine according to claim 9, it is characterised in that described connection sheet (11a-11d；Arrangement 12a-12d) can mutually adjusting with vertical direction along level。
11. according to the volume cotton machine one of the claims Suo Shu, it is characterised in that each connection sheet (11a-11d, 12a-12d) can adjust along level and vertical direction。
12. according to the volume cotton machine one of the claims Suo Shu, it is characterised in that the side that described fiber band (3) deflects that makes of described connection sheet (11a-11d, 12a-12d) has the profile of rounding or sharp seamed edge。
13. according to the volume cotton machine one of the claims Suo Shu, it is characterised in that described connection sheet (11a-11d, 12a-12d) is configured to cylinder。
14. volume cotton machine according to claim 13, it is characterised in that described connection sheet (11a-11d, 12a-12d) be configured to along or rotating against material flow direction。
15. volume cotton machine according to claim 1, it is characterised in that described pre-comp ressor (8) has pressure strip (19)。
16. for the method being manufactured lap by fiber band (3), wherein, at least two-layer fiber band (3) be stacked with and by least one pre-comp ressor (8) deflection and/or compress or and close, and the lap so formed can be stored in storage bar cylinder (20), it is characterized in that, in described pre-comp ressor (8) about the deflection of described fiber band (3) and/or compression or and the parameter that closes be adjustable。
17. the method for manufacturing lap according to claim 16, it is characterised in that described at least one pre-comp ressor (8) is arranged in interchangeable the inside sending into region (2) at least partly。
18. the method for manufacturing lap according to claim 17, it is characterised in that described pre-comp ressor (8) has element adjustable or interconvertible, for making described fiber band (3) deflect。
19. the method for manufacturing lap according to claim 16, it is characterized in that, determine the humidity in fibrous material and then produce adjustable parameter, wherein, described adjustable parameter is compared and can by means of signal manipulation executor to change operational factor when there is deviation with reference parameter with reference to parameter。
20. the method for manufacturing lap according to claim 19, it is characterised in that only just produce the signal for operation of actuator when adjustable parameter exceedes or lower than threshold value。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013110914.4 | 2013-10-01 | ||
| DE102013110914.4A DE102013110914A1 (en) | 2013-10-01 | 2013-10-01 | Wadding machine and method for producing a cotton wool from slivers |
| PCT/EP2014/001207 WO2015049016A1 (en) | 2013-10-01 | 2014-05-07 | Lap machine and method for producing a lap from slivers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105705691A true CN105705691A (en) | 2016-06-22 |
| CN105705691B CN105705691B (en) | 2017-12-15 |
Family
ID=50693611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480054358.0A Active CN105705691B (en) | 2013-10-01 | 2014-05-07 | For manufacturing the volume cotton machine and method of lap by fiber band |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3052681B1 (en) |
| CN (1) | CN105705691B (en) |
| BR (1) | BR112016007207B8 (en) |
| DE (1) | DE102013110914A1 (en) |
| WO (1) | WO2015049016A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106586646A (en) * | 2017-01-23 | 2017-04-26 | 浏阳市博创花炮科技机械有限公司 | Paper wrinkle-removing and scattering device of rolling machine |
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2014
- 2014-05-07 CN CN201480054358.0A patent/CN105705691B/en active Active
- 2014-05-07 EP EP14723330.8A patent/EP3052681B1/en active Active
- 2014-05-07 BR BR112016007207A patent/BR112016007207B8/en not_active IP Right Cessation
- 2014-05-07 WO PCT/EP2014/001207 patent/WO2015049016A1/en active Application Filing
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| DE19707206A1 (en) * | 1997-02-24 | 1998-08-27 | Rieter Ag Maschf | Combined sliver |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3052681B1 (en) | 2021-07-07 |
| DE102013110914A1 (en) | 2015-04-02 |
| BR112016007207A2 (en) | 2017-08-01 |
| BR112016007207B8 (en) | 2022-07-05 |
| CN105705691B (en) | 2017-12-15 |
| BR112016007207B1 (en) | 2021-12-28 |
| EP3052681A1 (en) | 2016-08-10 |
| WO2015049016A1 (en) | 2015-04-09 |
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