CN102373519B - The weaving unit of weaving loom and job step - Google Patents
The weaving unit of weaving loom and job step Download PDFInfo
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- CN102373519B CN102373519B CN201110228985.XA CN201110228985A CN102373519B CN 102373519 B CN102373519 B CN 102373519B CN 201110228985 A CN201110228985 A CN 201110228985A CN 102373519 B CN102373519 B CN 102373519B
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- weaving
- load
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- 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
- D01H5/32—Regulating or varying draft
-
- 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
- D01H5/46—Loading arrangements
Abstract
This invention relates to a kind of weaving loom drafting system operation method, the particularly method of operating of the drafting system of spinning preparation machine, such as gigging machine or drawing frame, ring spinning frame, open-end spinning frame or wing cushion roving frame drafting system mode of operation, drafting system is furnished with material bottom roll and corresponding topping roll and at least a set of charger of a lot of stretching of transmission mutually, and when operating drafting system, charger applies pressure at least one bottom roll and/or a topping roll.The present invention proposes, and under the assistance of operating system, the grade of load on basis can be regulated by weaving loom machine tool data and/or expanded material data.Point out in the present invention, charger possess at least one can and the attachable load elements of operating system, in lathe operation, can the grade of load of adjusting load device under the assistance of operating system.
Description
Technical field
The present invention relates to a kind of weaving unit of weaving loom, especially textile mills' process equipment, such as gigging machine or drawing frame, ring spinning frame, pneumatic spinning machine or wing cushion roving frame.Weaving unit on devices contains several lower roll and is interacted to the load device of the material that will weave by top roll.In order to produce load in lower roll or top roll and operate the step of such weaving unit.
In addition, in order to make textile raw material be processed into uniform as far as possible fiber band, the weaving unit of weaving loom has carried out corresponding setting.Weaving unit has row's drawing mechanism, generally in the adjacent roller in several front and back to form, textile raw material roller between prolong the so-called in a lateral direction clamping lines of conveyer belt and be clamped.Because roller is to presenting pitch speed that is different and that increase progressively in the transmission direction, the textile raw material be made up of one or several fiber band is finally carried out textile process, and has carried out size simultaneously and compare.
Except selecting properly pitch speed, the up-down rollers having influence on weaving unit and the textile raw material load pressure that will weave also can have an impact to the quality of fiber band.In view of this reason, the load device of weaving unit is arranged, and load coefficient is arranged to desired numerical value before fabrication processes starts, and generally this numerical value is determined according to the textile raw material that will weave.
Background technology
Corresponding DE3325422A1 describes the load device of weaving unit, and its load cell is the pressing unit controlled by pressurizing unit, such as cylinder form.Load pressure can be changed after replacement of products, in order to consider the change of property of raw material.
To this Comparatively speaking, DE19704815A1 also emphasizes, such as, can control upper pressure roller load force adjustable individually under the assistance regulating whether about pressure control valve by cylinder simultaneously.
Even if regulate in described machine load force at that time can counter extensioin pressure roller even stretching material have an impact, but, exist in order to the quality continuing to improve product allows to improve peak load power.Therefore charger or more precisely the charger method of operation be exactly propose the object of this invention.It makes lower compression roller load force and a special equal silk thread quality in reliable adjustment become a kind of possibility as much as possible.
Summary of the invention
In view of load operating method, under the assistance of operating system, the grade of load on basis can be regulated by weaving loom machine tool data and/or expanded material data and also be about to solve.Thus, improve the silk thread quality of producing and the uniformity particularly with notable feature is very possible because operating system can consider change most various under the data of more definition, and the contiguous load being defined data can be regulated.On pressure roller and to the influential pressure of stretching silk thread, can be used for preparing burden always.
The content of all descriptions is a huge progress compared with state-of-the art, because indicate the inhomogeneities of the material that in most of the cases stretches here, can consider that again stretching material is uneven in real time simultaneously.Current the possibility of result is, in pressure roller, load force must ensure will remain on minimum level line completely, and the locking device of material of guaranteeing to stretch between upper lower compression roller is reliable and secure.Because the extruding force micro-due to friction generation and a small amount of surface temperature of pressure roller exist always simultaneously, like this compared with conventional equipment, can realize reaching higher revolution at maximum surface temperature charger pressure roller.
The spinning preparation machine speed of production that the raising of final charger revolution makes raising equip becomes a kind of possibility (such as, gigging machine or drawing frame, ring spinning frame, the speed of open-end spinning frame or wing cushion roving frame), product quality also can get a promotion simultaneously.
Favourable part is, if machine tool data comprises service time and/or the temperature especially surface temperature of running time and/or charger, pressure roller and/or a lower compression roller at least one, this just shows, product quality can be caused to decline when drawing process starts after charger does not run for a long time.The temperature of pressure roller on charger can be reduced especially, because the whole temperature in its surface can be maintained at temperature constant state lower compression roller upper surface in the downtime.During drawing process startup stage, the most special advantage is, in order to ensure the reliable locking device at this stage fiber material, can improve the grade of load with fibrous material on pressure roller.In view of roll wear is in order to realize above-mentioned advantage, finally the load force relying on running time or roller temperature can be adjusted to a less numerical value.
Load is arranged can be stepless or progressively carry out in all cases.Load arranges the pitch speed that can arrange top roll load (measured value and actual value) and up-down rollers, textile area width, (predraft region central roll is to the distance of clamping lines, the entrance roller of main stretch zones to intermediate calender rolls pair, intermediate calender rolls to the supply of material roller to), the degree of drawing that single roller is right, total degree of drawing, and the size of other all variablees of weaving unit.Just the specific works parameter of weaving loom does not belong to device data, is more the data being appreciated that same production process is relevant.Some signals also belong to device data, such as: due to the procedure fault signal of conveyer belt fracture display, some external datas provided by preposition or rearmounted weaving loom also belong to device data.
This is also an advantage, the packet of the material of weaving is containing thickness, humidity, temperature, the coefficient of friction between fiber and fiber, upper surface quality, such as the characteristic of the moisture (especially in cotton textiles) existed and gloss and quantity, fibre length, purity, characteristic, length weight or want the uniformity of textile material.Because so-called size fluctuates under given conditions, reach a kind of balance so can be arranged load by control system, this balance makes fiber band more even.
It also brings benefit to self equally, when want textile material data can weaving unit entrance, outlet, or calculate between the road of gateway, the basis of the numerical value that load coefficient can calculate at entrance is arranged roughly, is more accurately arranged by the calculating of outlet calculating and gateway.Arrange and can carry out in so-called open loop or closed loop.
Advantage is device data and wants the data of textile raw material can detect by sensor.These sensors comprise the UV sensor that can detect the attribute wanting textile raw material, infrared ray sensor and microwave remote sensor; Temperature sensor; Velocity sensor; Can the sensor of acquisition environment condition, such as air humidity; Or pressure sensor.
The detection data of several sensor is interrelated is also an advantage, because the quality of fabrication processes not only depends on parameter.In fact in order to obtain high-quality, any one relevant device data all must be considered.
The deeper advantage of this invention weaves unit after conveyer belt fracture, can rework by improving load gradually.With want textile raw material corresponding data (such as thickness and uniformity) change and result of variations out after, the fibrous raw material that will weave need be reapposed.The change of fibrous raw material thickness can have an impact to the uniformity of final products in conventional steps.This invention can by arranging to the load of weaving unit roller the Uniform Tension ensured in thickness position.Sent material afterload to reset to low value at conveyer belt, the load of such fibrous raw material and the load of relevant device parts can remain in an alap value.
The material of weaving is transported to weaving unit or model tank.After the model tank of adjustment conveyor-belt apparatus is changed, weaving unit improves load gradually and works on.When model tank is changed, the connection of corresponding fibre bundle makes thickness create change.Stretching as far as possible uniformly to reach, can improve load at short notice, this is also an advantage.Improve load to realize by carrying out change to the data or device data of wanting textile raw material in control system, such as, when model tank is changed, the signal that respective sensor change produces.
More advantages are, top roll and lower roll can carry out load setting separately, can optimize and revise each load like this, reduce the wearing and tearing of roller upper surface, ensure Uniform Tension as far as possible.
Most characteristic, load can by what control separately, and machinery, pneumatic, hydraulic pressure, electric is arranged with the load cell of electromagnetism.This component structure is very little, can very simply be integrated in weaving unit.In addition, also can realize load that is continuous or short-term by the of short duration operate time to arrange.
The load of up-down rollers is depended in the setting of textile area width of weaving unit, because the right clamping distance of two adjacent rollers depends on the size of load.If load improves, clamping distance is forced to reduce.Because the rubber of top roll is close to lower roll.The desirable clamping distance of Single Fiber is calculated, and textile area width relevant time advantage is high load capacity also becomes large.When during simulation, load reduces, textile area width also reduces.In order to avoid roller is overheated and damage fiber quality, be necessary to regulate the revolution of the single roller or all rollers that depend on load or respective rollers upper surface temperature.
Weaving unit feature, its load device contain a controlled Systematical control load cell, at equipment duration of work, the load coefficient of load device can by control system, and the explanation of particularly diligent introduction adjusts.Load also can automatically adjust, if need automatically to regulate continuously.According to current techniques situation, load under special circumstances, such as wants the structure of textile raw material to there occurs change, can manually be adjusted by pressure-regulating valve or corresponding adjusting bolt.Weaving loom allows to carry out work according to the above, and its these advantages can with reference to chapters and sections corresponding in description.
Under any circumstance, load cell be at least one mechanical, hydraulic pressure, electric, the load cell of electromagnetism, this is also its advantage.Load cell pressure that is electrodeless or that progressively produce on roller can need manually to regulate very soon and not.
Weaving unit comprises at least one sensor be connected with control system, and sensor is in order to calculate device data above-mentioned or want textile raw material corresponding data, and load coefficient can regulate on these data bases.The process of the load coefficient determined by other modes also can be considered.Such as improved at the very start in put procedure by load in the put procedure within specific certain period, base load can be calculated by other data.
Maximum advantage is, at least one sensor be placed on weaving unit entrance, outlet and gateway between.The data calculated can carry out single or correlation analysis by control system, in order to regulate the load coefficient of or all load cells on analysis foundation.
Advantage is, several sensor measurement data interrelated.In order to obtain high product quality as much as possible, several parameter can be processed by control system by this kind of mode, proceeds to load coefficient adjustment subsequently.
Advantage: device data contains use and the downtime of draw-gear, temperature, especially upper surface temperature, it is at least the upper surface temperature of one of them top roll or lower roll, top roll load, the rotary speed of one of them top roll or lower roll, textile area width, total degree of drawing of the degree of drawing between single top roll and single lower roll and weaving unit.Especially, after fabrication processes stagnates a period of time, often occur that product quality declines.This is because the roller of weaving unit cools down, its adhesive force also follows decline.This period can by improve load coefficient ensure this period fibrous material clamping force, this is also the large advantage at fabrication processes period of operation.Final load coefficient can be adjusted to a low numerical value according to working time and roll temperature, reduces the wearing and tearing of roller and improves process velocity by the rotating speed improving weaving unit roller.
The advantage also had is, the packet of the material that weave contains thickness, humidity, temperature, coefficient of friction between fiber and fiber, upper surface quality, such as the characteristic of the moisture existed and gloss and quantity, fibre length, purity, characteristic, length weight or want the uniformity of textile material.Under normal conditions, material size always fluctuates, and when Load adjustment coefficient, this situation just can be considered.
Another advantage is after conveyer belt fracture, improves load weaving unit gradually ready by control system.Reappose the fibrous raw material that will weave afterwards, be namely placed on so-called conveyer belt conveyer.The change of fibrous raw material thickness can have an impact to the uniformity of final products in conventional steps.This invention can by arranging to the load of weaving unit roller the Uniform Tension ensured in thickness position.Sent material afterload to reset to low value at conveyer belt, the load of such fibrous raw material and the load of relevant device parts can remain in an alap value.So need not go beyond maximum positive temperature, roller still can operate when rotating speed improves.
At least same model tank of weaving loom is connected, and the material that weave is transported to weaving unit or model tank.After the model tank of adjustment conveyor-belt apparatus is changed, weaving unit improves load gradually by control system and works on.Advantage, can with reference to above explanation with after conveyer belt fracture, to arrange corresponding load the same.
Last advantage is, top roll and lower roll can carry out load setting separately.The thin and thick position of textile raw material is wanted to arrange according to the position of weaving unit inside and the right varying strength of the roller that passed through.By actual value being calculated to arranging separately of load, can ensure that produce homogeneous final products fast also plays protective effect to equipment when producing to product simultaneously like this.
Accompanying drawing explanation
The more advantage of this invention describes out with graphic form below, please see:
Fig. 1: the side view of weaving loom weaving unit;
Fig. 2: the possible process of load coefficient on the time;
Detailed description of the invention
Figure 1: point out the example of unit 1 as weaving loom of weaving
6 independent fibre bundle 2 meetings are also emitted in the weaving loom shown in chart, are top views, and weaving loom are represented by side view by horn mouth 3 boil down to fiber band 4. fibre bundle 2 and measurement mechanism 5.After first measurement mechanism 5 measures, first measuring-signal S1 is sent to control system 13 by corresponding junction 17 by measurement mechanism, measuring-signal S1 represents the length dimension through the fiber band 4 gone, and fiber band 4 is transported to the weaving unit 1 forming weaving loom core.
Charger 1 points out that entrance roller is to 6 again, intermediate calender rolls to 7 and outlet or feed rolls to 8, these three rollers always rotate with the peripheral speed accelerated according to the above-mentioned order mentioned each.Silk thread 4 on charger 1 can by roller to 6, and 7,8 different circumferential speeds are processed into of all kinds, finally according to respective peripheral speed ratio stretching silk thread.Entrance roller forms so-called front stretch zones to 6 and intermediate calender rolls to 7 here, and intermediate calender rolls constitutes so-called main stretch zones to 7 and feed rolls to 8.
In order to make all even successive stretching become possibility, frock addition of 6,7,8 rollers pair, stress element 16 demonstrates, and each roller is to being along with each axle of charger pressure roller runs work jointly.Roller is to can by machinery, pneumatic, hydraulic pressure, and electronic or electromagnetic stress element is formed, and is connected with one of them operating system 13 under corresponding connection 17 is assisted.Under normal circumstances, control system 13 and operating means 14, such as keyboard, also have output unit 15, as display, connects.
In charger 1 exit, be close to a calender roller to 11 and oil can 12, installed one in addition and measured frock 9, measurement frock 9 indicates measuring chamber 10, can by sliver 4 Size calculation interior when measuring.The electronic sensor that this size i.e. thickness can not sectioned out by one changes into a measuring-signal S2, and this measuring-signal can connect 17 by another and be transferred in operating system, and evaluation calculates in an operating system.Especially can the mean intensity of silk thread 4 and in silk thread 4 remaining uneven value count.If the silk thread slided 4 does not meet the demands, in order to automatically regulate load level except stretching before in loading procedure and/or mainly stretch, a signal transmission all can be passed through in stress element 16,
Another possibility is, appears at place thicker in charger diverse location in the change of corresponding clear and definite machine tool data and stretching material data load.If it is with certain machine tool data or the machine tool data determined in real time or the stretching material data determined before for condition, the load level that must improve by this way can remain on as much as possible on a reduced levels in normal loading procedure.Therefore result show this invention make the uniformity of stretching silk thread 4 become a kind of may because by load level automatically regulate can be used for other charger 1 at a high speed or low cruise or the parameter during actual loaded process use and regulate.
Fig. 2 shows that load level curve map B can imitate time diagram t.During loading procedure, at time interval t
2and t
3between the average load grade of stress element 16 indicate.
At t
1and t
2between load level improve the fact reflected and be, charger 1 is from time point t
0after beginning, charger sheeting roll surface temperature does not reach the ideal temperature that it can run.Pressure roller does not also have can making between pressure roller and silk thread at the adhesive force that normal load level slides of its needs in this case.Like this by regulating relevant charger junction in this invention, at the load level of incipient stage, dangerous values is dropped to bottom line, so just probably silk thread 4 uniformity can be guaranteed when starting.
In addition, shown in chart, the warm-up phase with roller surface compares charger 1 (from t
0to t
1) start afterload grade to time point t
2terminate, improve load level again.The raising of current load level shows, can regulate load level in the thicker place of silk thread and beginning or joint.
At time point t
3and t
4between also can obviously see that load level improves.Improving such load level after chain desmorrhexis is an advantage, because can reconnect in thicker position at this stage chain desmorrhexis, load level also can regulate the position of chain desmorrhexis while improving.
Time point t
5, finally show, continuously can regulate load level, at this moment in chart, appear at the thicker place of charger diverse location in the change of the corresponding machine tool data that calculates and stretching material data load.
End product shows, changes a kind of possibility that capricious load level just regulates.Certainly be also the process that load level progressively promotes or slowly reduces, at t
5shown in figure, what mostly maybe may show is all its advantage.Change of load grade also can any nonlinear mode realize.
This invention is not confined to be applied in shown topology example in addition.All with described feature in this article, or illustrated and described associated in the graph on the contrary, even may have corresponding contact technically, be all the object of this invention research.
Claims (19)
1. one kind uses the method for weaving loom weaving unit, weaving unit (1) contains several lower roll and interacts to the load device of the material that will weave by top roll, this load device works up to I haven't seen you for ages to the generation load of in lower roll or top roll in weaving unit (1), it is characterized in that, illustrated by this kind of mode, in fabrication processes, the load coefficient of lower roll and/or top roll wants the data of textile material to regulate by the device data of Weaving device and control system (13), thus make the fiber band that must weave evenly, described device data can calculate by sensor with the data of the material that will weave, and the measurement data of several sensor is interrelated.
2. the method for use weaving loom weaving unit according to claim 1, it is characterized in that: device data contains use and the downtime of weaving single unit (1), temperature, top roll load, the rotary speed of one of them top roll or lower roll, textile area width, total degree of drawing of the degree of drawing between single top roll and single lower roll and weaving unit (1).
3. the method for use weaving loom according to claim 2 weaving unit, is characterized in that: the temperature that device data comprises is at least one upper surface temperature in top roll or lower roll.
4. the method for use weaving loom weaving unit according to claim 1 and 2, it is characterized in that: the packet of the material that weave is containing thickness, humidity, temperature, the coefficient of friction between fiber and fiber, upper surface quality, fibre length, purity, characteristic, length weight or want the uniformity of textile material.
5. the method for use weaving loom weaving unit according to claim 1, is characterized in that: the data of the material that weave will at the entrance of weaving unit (1), outlet, or calculates between gateway.
6. the method for use weaving loom weaving unit according to claim 1, is characterized in that: unit (1) of weaving after conveyer belt fracture can improve load gradually and work on.
7. the method for use weaving loom weaving unit according to claim 1, it is characterized in that: the material that weave is transported to weaving unit (1), after the model tank of adjustment conveyor-belt apparatus is changed, weaving unit (1) improves load gradually and works on.
8. the method for use weaving loom weaving unit according to claim 1, is characterized in that: top roll and lower roll can carry out load setting separately.
9. the method for use weaving loom weaving unit according to claim 1, is characterized in that: load can by what control separately, and machinery, pneumatic, hydraulic pressure, load cell (16) that is electric or electromagnetism is arranged.
10. the method for use weaving loom weaving unit according to claim 1, is characterized in that: the textile area width of weaving unit (1) depends on the load of machinery systems.
The weaving unit of 11. 1 kinds of weaving looms, weaving unit contains several lower roll and interacts to the load device of the material that will weave by top roll, this load device produces load in lower roll or top roll in weaving cell operation up to I haven't seen you for ages, it is characterized in that, illustrated by this kind of mode, load device at least comprises the load cell (16) that a controlled system (13) restricts, in fabrication processes, the load coefficient of this load cell load device when equipment works is utilized to be regulated by control system (13), thus make the fiber band that must weave evenly, the sensor that described weaving unit (1) has at least a same control system (13) to be connected, come computing equipment data and the data wanting textile material, and the load coefficient being based upon these data bases is adjustable, several sensor measurement data interrelated.
12. weaving unit according to claim 11, is characterized in that: a load cell (16) is at least a machinery, pneumatic, hydraulic pressure, electric or electromagnetic load element (16).
13. weaving unit according to claim 11, is characterized in that: have at least a sensor weaving unit (1) entrance, outlet or gateway between.
14. weaving unit according to claim 11, it is characterized in that: device data contains use and the downtime of weaving single unit (1), temperature, top roll load, the rotary speed of one of them top roll or lower roll, textile area width, total degree of drawing of the degree of drawing between single top roll and single lower roll and weaving unit (1).
15. weaving unit according to claim 14, is characterized in that: the temperature that device data comprises is at least one upper surface temperature in top roll or lower roll.
16. weaving unit according to claim 11, is characterized in that: the packet of the material that weave contains thickness, humidity, temperature, coefficient of friction between fiber and fiber, upper surface quality, fibre length, purity, characteristic, length weight or want the uniformity of textile material.
17. weaving unit according to claim 11, is characterized in that: after conveyer belt fracture, improve load weaving unit (1) gradually ready by control system.
18. weaving unit according to claim 11, it is characterized in that: weaving loom is connected with at least one model tank, the material of weaving is transported to weaving unit (1), after the model tank of adjustment conveyor-belt apparatus is changed, weaving unit (1) improves load gradually by control system and works on.
19. weaving unit according to claim 11, is characterized in that: top roll and/or lower roll can carry out load setting separately.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010039178.6 | 2010-08-11 | ||
| DE102010039178 | 2010-08-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102373519A CN102373519A (en) | 2012-03-14 |
| CN102373519B true CN102373519B (en) | 2016-01-20 |
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ID=44899173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110228985.XA Active CN102373519B (en) | 2010-08-11 | 2011-08-11 | The weaving unit of weaving loom and job step |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5965115B2 (en) |
| CN (1) | CN102373519B (en) |
| BR (1) | BRPI1103853B1 (en) |
| DE (1) | DE102011052367A1 (en) |
| IT (1) | ITTO20110693A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012103610A1 (en) * | 2012-04-25 | 2013-10-31 | Rieter Ingolstadt Gmbh | Textile machine i.e. lining machine, has loading roller including two frustum-shaped front sides and upwardly pressing fiber bundle opposite to supporting region in region of loading roller, and magnetic region formed by separate magnet |
| CN104775198B (en) * | 2015-04-24 | 2017-06-09 | 李先登 | A kind of miniature broken strip technological process |
| DE102018125547A1 (en) * | 2018-10-15 | 2020-04-16 | TRüTZSCHLER GMBH & CO. KG | Pressure control on a drafting system |
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| DE3325422A1 (en) * | 1982-07-15 | 1984-01-19 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kariya, Aichi | LOADING DEVICE FOR STRETCHERS |
| CN2046124U (en) * | 1988-04-21 | 1989-10-18 | 西安飞机制造公司 | All pneumatic draging and stretching apparatus |
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2011
- 2011-07-28 IT IT000693A patent/ITTO20110693A1/en unknown
- 2011-08-02 DE DE102011052367A patent/DE102011052367A1/en active Pending
- 2011-08-05 BR BRPI1103853-5A patent/BRPI1103853B1/en active IP Right Grant
- 2011-08-08 JP JP2011172761A patent/JP5965115B2/en not_active Expired - Fee Related
- 2011-08-11 CN CN201110228985.XA patent/CN102373519B/en active Active
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|---|---|---|---|---|
| DE3325422A1 (en) * | 1982-07-15 | 1984-01-19 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kariya, Aichi | LOADING DEVICE FOR STRETCHERS |
| CN2046124U (en) * | 1988-04-21 | 1989-10-18 | 西安飞机制造公司 | All pneumatic draging and stretching apparatus |
| US5953793A (en) * | 1997-02-08 | 1999-09-21 | Trutzschler Gmbh & Co. Kg | Roll pressing device for a sliver drawing frame |
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| Publication number | Publication date |
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| BRPI1103853A2 (en) | 2012-12-25 |
| DE102011052367A9 (en) | 2012-09-27 |
| JP5965115B2 (en) | 2016-08-03 |
| CN102373519A (en) | 2012-03-14 |
| JP2012036554A (en) | 2012-02-23 |
| ITTO20110693A1 (en) | 2011-10-27 |
| DE102011052367A1 (en) | 2012-03-08 |
| BRPI1103853B1 (en) | 2020-10-20 |
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