CN113233256B - Self-pushing type anti-winding device for mosquito net production - Google Patents
Self-pushing type anti-winding device for mosquito net production Download PDFInfo
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- CN113233256B CN113233256B CN202110778332.2A CN202110778332A CN113233256B CN 113233256 B CN113233256 B CN 113233256B CN 202110778332 A CN202110778332 A CN 202110778332A CN 113233256 B CN113233256 B CN 113233256B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/003—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to winding of yarns around rotating cylinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
- B65H2701/313—Synthetic polymer threads
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- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
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Abstract
The invention discloses a self-pushing type anti-winding device for mosquito net production, which comprises a winding shell and is characterized in that: the device uses a system which is a self-pushing type anti-winding system, and the system comprises: the device comprises an electrostatic detection module, a quality detection module, a spraying module and a self-pushing unit, wherein the electrostatic detection module is electrically connected with the spraying module, the quality detection module is electrically connected with the spraying module, and the quality detection module is electrically connected with the self-pushing unit; the device comprises an electrostatic detection module, a quality detection module, a spraying module, a self-pushing unit, a force measurement module and a conversion module, wherein the electrostatic detection module is used for detecting the electrostatic quantity of the polyester yarns, the quality detection module is used for detecting the quality of the produced polyester yarns, the spraying module is used for spraying to avoid winding, the self-pushing unit is used for adjusting the pretightening force of the polyester yarns, the electrostatic detection module comprises an adsorption unit, a force measurement module and a conversion module, and the spraying module comprises a spraying unit and a receiving conversion module.
Description
Technical Field
The invention relates to the technical field of curling of wires, in particular to a self-pushing type anti-winding device for mosquito net production.
Background
A mosquito net. The mosquito net is a mosquito net for preventing mosquitoes from biting in spring and autumn of China, is an essential bedding article in summer of south China, and is usually hung on a bed frame to surround a bed to isolate mosquitoes. The mosquito net is made of net-shaped materials, can prevent mosquitoes and wind and can adsorb dust falling in the air. The mosquito net has the advantages of environmental protection, ventilation and multi-cycle use, the common polyester yarn for the mosquito net is woven, and the raw material polyester yarn needs to be curled when the mosquito net is produced.
The existing crimping device easily causes polyester yarns to be easily wound in the crimping process, the influence factors of the winding of the polyester yarns are more, the possibility of winding of the existing device cannot be comprehensively judged, the polyester yarns are difficult to process after being wound, the polyester yarns are forcibly subjected to anti-winding processing, certain energy is wasted, and the quality of the polyester yarns cannot be detected when the existing polyester yarns are crimped.
Therefore, it is necessary to design a self-propelled anti-winding device for mosquito net production, which can prevent winding and monitor the quality of polyester yarn in real time.
Disclosure of Invention
The present invention aims at providing a self-pushing anti-winding device for mosquito net production to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a from pushing-type anti-wind device for mosquito net production, includes the rolling shell, its characterized in that: the device uses a system which is a self-pushing type anti-winding system, and the system comprises: the device comprises an electrostatic detection module, a quality detection module, a spraying module and a self-pushing unit, wherein the electrostatic detection module is electrically connected with the spraying module, the quality detection module is electrically connected with the spraying module, and the quality detection module is electrically connected with the self-pushing unit;
the electrostatic detection module is used for detecting the electrostatic quantity of the polyester yarns, the quality detection module is used for detecting the quality of the produced polyester yarns, the spraying module is used for spraying to avoid winding, and the self-pushing unit is used for adjusting the pre-tightening force of the polyester yarns;
the static detection module comprises an adsorption unit, a force measurement module and a conversion module, the spraying module comprises a spraying unit and a receiving conversion module, the force measurement module is electrically connected with the conversion module, and the conversion module is electrically connected with the receiving conversion module;
the device comprises an adsorption unit, a force measuring module, a conversion module, a spraying unit, a receiving and conversion module and a control unit, wherein the adsorption unit is used for being attracted by static electricity on polyester yarns, the force measuring module is used for measuring attraction force borne by the adsorption unit, the conversion module is used for converting mechanical signals of the force measuring module into static electricity signals, the spraying unit is used for spraying, and the receiving and conversion module is used for receiving external signals, converting the external signals into control signals after receiving the signals and controlling the action of the spraying unit;
the quality detection module comprises a photographing unit, a diameter measurement module, a flatness measurement module, a line number measurement module, a marking module, a timing measurement module and an alarm module, wherein the diameter measurement module, the line number measurement module and the marking module are electrically connected with the receiving and converting module, the timing measurement module is electrically connected with the self-pushing unit, and the alarm module is electrically connected with the diameter measurement module;
the device comprises a photographing unit, a diameter measuring module, a flatness measuring module, a line number metering module, a marking module and a timing measuring module, wherein the photographing unit is used for photographing polyester yarns, the diameter measuring module is used for measuring the diameters of the polyester yarns in photos, the flatness measuring module is used for measuring the flatness of the polyester yarns in the photos, the line number metering module is used for counting the number of the polyester yarns in the photos, the marking module is used for marking the polyester yarns, and the timing measuring module is used for measuring the distance of marking movement in unit time.
According to the technical scheme, the working process of the self-propelled anti-winding system comprises the following steps:
s1, photographing and marking the polyester yarn entering the winding shell, recording related parameters, starting an alarm module to give an alarm when the state of the polyester yarn is greatly abnormal, and timely notifying related workers;
s2, calculating the yarn feeding speed of the polyester yarn through a timing measurement module after unit time;
s3, converting the related parameters, and guiding the converted signals into a spraying unit and a self-pushing unit;
s4, judging whether the polyester yarn needs to be sprayed or pushed to increase the pre-tightening force according to the introduced signal by the spraying unit and the self-pushing unit;
and S5, winding the anti-winding processed polyester yarn on a polyester roller.
According to the above technical solution, in the step S3, the conversion method is to neutralize the possibility of the polyester yarn being twisted by static electricity, the expansion diameter of the polyester yarn, etc., and convert the result into a correlation coefficient, and judge the possibility of the polyester yarn being twisted according to the correlation coefficient;
in the formula: x is a winding coefficient, a is the winding coefficient of the polyester yarn, Q is the total static quantity of the polyester yarn, delta is the correction coefficient of the total static quantity on the winding influence, r is the diameter measured by the diameter measuring unit, r is the winding coefficient of the polyester yarn, Q is the correction coefficient of the total static quantity on the winding influence, r is the diameter measured by the diameter measuring unit, and Q is the winding coefficient of the polyester yarnIs justThe yarn feeding speed is the normal diameter of the polyester yarn, n is the total number of the polyester yarn, and v is the yarn feeding speed of the polyester yarn.
According to the above technical solution, in the step S4, X is obtained according to the influence of each factor on the possibility of winding, and X is used as the influence<XIs justWhen, XIs justTo a safety margin, i.e. when the probability of entanglement is less than XIs justJudging that the winding is a small probability event, and controlling a spraying unit according to the following calculation formula without processing;
i.e. when it occursThe probability of entanglement is less than or equal to XIs justWhen the spraying unit stops working, and the possibility of winding is more than XIs justThe spray unit starts spraying at that time, and the amount of spraying increases as X increases.
According to the above technical solution, in the step S4, the flatness value is obtained according to the measurement of the flatness measurement module: a, the polyester yarn is looser due to low flatness, so that winding is generated during winding, the loosening of the polyester yarn is continuously eliminated by applying a thrust to the yarn through a self-pushing unit, and the self-pushing unit can judge whether action and action strength need to be generated or not according to the following calculation formula;
in the formula: z is an action signal of the self-pushing unit, alpha is a correction coefficient of the flatness, and a is the normal flatness;
it can be derived that when the flatness is greater than the normal flatness, the self-pushing unit stops working, and when the flatness is less than the normal flatness, the device acts, and the smaller the flatness, the more violent the action of the self-pushing unit.
According to the above technical solution, in the step S1, whether an alarm is needed or not can be determined according to the expanded diameter of the polyester yarn, when the diameter of the individual polyester yarn is too large or the diameter of the overall polyester yarn is too high under normal conditions, an alarm is needed to notify a worker, and when the diameter of the individual polyester yarn is too large or the diameter of the overall polyester yarn is too high under normal conditions, the alarm is needed to notify the worker
The alarm is needed to inform the staff, namely when the expansion diameter of the individual polyester yarns is too large or the overall expansion diameter of the polyester yarns is too large, the staff is reminded through the alarm mechanism, and the staff can make corresponding adjustment.
According to the technical scheme, the adsorption unit, the photographing unit and the spraying unit are all arranged on the upper side of the winding shell, the self-pushing unit is arranged on the lower side of the winding shell, and the top end of the self-pushing unit is made of flexible materials.
According to the technical scheme, one side of the winding shell is provided with the wire inlet.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the self-pushing type anti-winding system is arranged, so that the flatness of the polyester yarn can be controlled to be approximately kept unchanged, other factors influencing winding are detected, calculation is carried out according to the calculation formula so as to judge the possibility of winding of the polyester yarn, and an alarm can be given when the quality of the polyester yarn is greatly abnormal.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall perspective view of the present invention;
in the figure: 1. rolling the shell; 2. a self-propelled unit; 3. an adsorption unit; 4. a spray unit; 5. and a photographing unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a from pushing-type anti-wind device for mosquito net production, includes rolling up shell 1, its characterized in that: the device uses a system which is a self-pushing type anti-winding system, and the system comprises: the device comprises an electrostatic detection module, a quality detection module, a spraying module and a self-pushing unit 2, wherein the electrostatic detection module is electrically connected with the spraying module, the quality detection module is electrically connected with the spraying module, and the quality detection module is electrically connected with the self-pushing unit 2;
the electrostatic detection module is used for detecting the electrostatic quantity of the polyester yarns, the quality detection module is used for detecting the quality of the produced polyester yarns, the spraying module is used for spraying to avoid winding, and the self-pushing unit 2 is used for adjusting the pre-tightening force of the polyester yarns;
the static detection module comprises an adsorption unit 3, a force measurement module and a conversion module, the spraying module comprises a spraying unit 4 and a receiving conversion module, the force measurement module is electrically connected with the conversion module, and the conversion module is electrically connected with the receiving conversion module;
the absorption unit 3 is used for being absorbed by static electricity on the polyester yarns, the force measuring module is used for measuring the absorption force received by the absorption unit 3, the conversion module is used for converting mechanical signals of the force measuring module into static electricity signals, the spraying unit 4 is used for spraying, the receiving conversion module is used for receiving external signals, converting the external signals into control signals after receiving the signals and controlling the action of the spraying unit;
the quality detection module comprises a photographing unit 5, a diameter measurement module, a flatness measurement module, a line number measurement module, a marking module, a timing measurement module and an alarm module, wherein the diameter measurement module, the line number measurement module and the marking module are electrically connected with the receiving and converting module, the timing measurement module is electrically connected with the self-pushing unit 2, and the alarm module is electrically connected with the diameter measurement module;
the photographing unit 5 is used for photographing the polyester yarns, the diameter measuring module is used for measuring the diameters of the polyester yarns in the photos, the flatness measuring module is used for measuring the flatness of the polyester yarns in the photos, the thread number metering module is used for counting the number of the polyester yarns in the photos, the marking module is used for marking the polyester yarns, and the timing measuring module is used for measuring the distance of movement of the marks in unit time.
The working process of the self-propelled anti-winding system comprises the following steps:
s1, photographing and marking the polyester yarn entering the winding shell 1, recording related parameters, starting an alarm module to give an alarm when the state of the polyester yarn is greatly abnormal, and timely notifying related workers;
s2, calculating the yarn feeding speed of the polyester yarn through a timing measurement module after unit time;
s3, converting the related parameters, and guiding the converted signals into the spraying unit 4 and the self-propelled unit 2;
s4, the spraying unit 4 and the self-pushing unit 2 judge whether the polyester yarn needs to be sprayed or pushed to increase the pre-tightening force according to the introduced signal;
and S5, winding the anti-winding processed polyester yarn on a polyester roller.
In the step S3, the converting method includes neutralizing the possibility that the polyester yarn is twisted due to static electricity, the expansion diameter of the polyester yarn, and the like, converting the neutralization into a correlation coefficient, and determining the possibility that the polyester yarn is twisted according to the correlation coefficient;
in the formula: x is a winding coefficient, a is the winding coefficient of the polyester yarn, Q is the total static quantity of the polyester yarn, delta is the correction coefficient of the total static quantity on the winding influence, r is the diameter measured by the diameter measuring unit, r is the winding coefficient of the polyester yarn, Q is the correction coefficient of the total static quantity on the winding influence, r is the diameter measured by theIs justThe normal diameter of the polyester yarn, n is the total number of the polyester yarn, and v is the yarn feeding speed of the polyester yarn;
according to the steps, all factors influencing the possibility of winding can be integrated into a calculation formula, the possibility of winding can be judged according to the calculation formula, different processing can be carried out according to different possibilities, and waste of resources is avoided on the premise that winding is not guaranteed.
In the above step S4, X is obtained based on the influence of various factors on the possibility of occurrence of entanglement, and when X is used<XIs justWhen, XIs justTo a safety margin, i.e. when the probability of entanglement is less than XIs justJudging that the winding is a small probability event, and controlling a spraying unit according to the following calculation formula without processing;
i.e. when the probability of entanglement is less than or equal to XIs justThe operation of the spraying unit 4 is stopped at the time,and when the possibility of winding is more than XIs justThe spraying unit 4 starts spraying at that time, and the amount of spraying increases as X increases.
In the step S4, the flatness value is obtained according to the measurement of the flatness measurement module: a, the polyester yarn is looser due to low flatness, so that winding is generated during winding, the loosening of the polyester yarn is continuously eliminated by applying a thrust to the yarn through the self-pushing unit 2, and the self-pushing unit 2 can judge whether action and action strength need to be generated or not according to the following calculation formula;
in the formula: z is an action signal of the self-pushing unit 2, alpha is a correction coefficient of the flatness, and a is the normal flatness;
it can be obtained that when the flatness is greater than the normal flatness, the self-pushing unit 2 stops working, and when the flatness is less than the normal flatness, the device acts, and the smaller the flatness is, the more violent the action of the self-pushing unit 2 is;
the influence of the flatness on the winding is very special, and the flatness cannot be mixed with other factors into the calculation formula, so that the flatness needs to be controlled to be a fixed value in order to control the accuracy of the calculation formula, and the influence of the flatness on the calculation formula is avoided.
In the step S1, it can be determined whether an alarm is required according to the expanded diameter of the polyester yarn, and when the diameter of the individual polyester yarn is too large or the diameter of the overall polyester yarn is too large under normal conditions, the alarm is required to notify the worker, and when the diameter of the overall polyester yarn is too large, the worker is notified of the alarm
The alarm is needed to inform the staff, namely when the expansion diameter of the individual polyester yarns is too large or the overall expansion diameter of the polyester yarns is too large, the staff is reminded through the alarm mechanism, and the staff can make corresponding adjustment.
The automatic winding device comprises an adsorption unit 3, a photographing unit 5 and a spraying unit 4 which are arranged on the upper side of a winding shell 1, a self-pushing unit 2 is arranged on the lower side of the winding shell 1, and the top end of the self-pushing unit 2 is made of flexible materials; the top design of self-propelled unit 2 is flexible material, can avoid at the in-process that uses, and the thrust of self-propelled unit 2 is too big and leads to the dacron silk fracture, and the unit 5 of shooing can get into the detection of shooing immediately at the dacron yarn, and the total static content on the dacron silk is judged through electrostatic absorption to absorption unit 3.
One side of the rolling shell 1 is provided with a thread inlet.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A self-propelled anti-winding device for mosquito net production, includes rolling shell (1), its characterized in that: the device uses a system which is a self-pushing type anti-winding system, and the system comprises: the device comprises an electrostatic detection module, a quality detection module, a spraying module and a self-pushing unit (2), wherein the electrostatic detection module is electrically connected with the spraying module, the quality detection module is electrically connected with the spraying module, and the quality detection module is electrically connected with the self-pushing unit (2);
the static detection module is used for detecting the static quantity of the polyester yarns, the quality detection module is used for detecting the quality of the produced polyester yarns, the spraying module is used for spraying to avoid winding, and the self-pushing unit (2) is used for adjusting the pre-tightening force of the polyester yarns;
the static detection module comprises an adsorption unit (3), a force measurement module and a conversion module, the spraying module comprises a spraying unit (4) and a receiving conversion module, the force measurement module is electrically connected with the conversion module, and the conversion module is electrically connected with the receiving conversion module;
the absorption unit (3) is used for being absorbed by static electricity on the polyester yarns, the force measuring module is used for measuring the attractive force borne by the absorption unit (3), the conversion module is used for converting mechanical signals of the force measuring module into static quantity signals, the spraying unit (4) is used for spraying, the receiving and conversion module is used for receiving external signals, converting the external signals into control signals after receiving the signals and controlling the action of the spraying unit;
the quality detection module comprises a photographing unit (5), a diameter measurement module, a flatness measurement module, a line number metering module, a marking module, a timing measurement module and an alarm module, wherein the diameter measurement module, the line number metering module and the marking module are electrically connected with the receiving conversion module, the timing measurement module is electrically connected with the self-pushing unit (2), and the alarm module is electrically connected with the diameter measurement module;
the device comprises a photographing unit (5), a diameter measuring module, a flatness measuring module, a line number metering module, a marking module and a timing measuring module, wherein the photographing unit (5) is used for photographing polyester yarns, the diameter measuring module is used for measuring the diameters of the polyester yarns in photos, the flatness measuring module is used for measuring the flatness of the polyester yarns in the photos, the line number metering module is used for counting the number of the polyester yarns in the photos, the marking module is used for marking the polyester yarns, and the timing measuring module is used for measuring the distance of marking movement in unit time.
2. A self-propelled anti-winding device for mosquito net production according to claim 1, characterized in that: the working process of the self-propelled anti-winding system comprises the following steps:
s1, photographing and marking the polyester yarn entering the winding shell (1), recording related parameters, starting an alarm module to give an alarm when the state of the polyester yarn is greatly abnormal, and timely notifying related workers;
s2, calculating the yarn feeding speed of the polyester yarn through a timing measurement module after unit time;
s3, converting the related parameters, and introducing the converted signals into a spraying unit (4) and a self-propelled unit (2);
s4, the spraying unit (4) and the self-pushing unit (2) judge whether the polyester yarn needs to be sprayed or pushed to increase the pre-tightening force according to the introduced signal;
and S5, winding the anti-winding processed polyester yarn on a polyester roller.
3. A self-propelled anti-winding device for mosquito net production according to claim 2, characterized in that: in the step S3, the converting method includes neutralizing the possibility that the polyester yarn is twisted due to static electricity, the expansion diameter of the polyester yarn, and the like, converting the neutralization into a correlation coefficient, and determining the possibility that the polyester yarn is twisted according to the correlation coefficient;
in the formula: x is a winding coefficient, a is the winding coefficient of the polyester yarn, Q is the total static quantity of the polyester yarn, delta is the correction coefficient of the total static quantity on the winding influence, r is the diameter measured by the diameter measuring unit, r is the winding coefficient of the polyester yarn, Q is the correction coefficient of the total static quantity on the winding influence, r is the diameter measured by the diameter measuring unit, and Q is the winding coefficient of the polyester yarnIs justThe yarn feeding speed is the normal diameter of the polyester yarn, n is the total number of the polyester yarn, and v is the yarn feeding speed of the polyester yarn.
4. A self-propelled anti-winding device for mosquito net production according to claim 3, characterized in that: in the above step S4, X is obtained based on the influence of various factors on the possibility of occurrence of entanglement, and when X is used<XIs justWhen, XIs justTo a safe limit, i.e. when taking placeThe possibility of entanglement is less than XIs justJudging that the winding is a small probability event, and controlling a spraying unit according to the following calculation formula without processing;
i.e. when the probability of entanglement is less than or equal to XIs justThe spraying unit (4) stops working when the possibility of winding is more than XIs justWhen the amount of the sprayed mist is increased, the spraying unit (4) starts spraying, and the amount of the sprayed mist is increased with the increase of X.
5. A self-propelled anti-winding device for mosquito net production according to claim 4, characterized in that: in the step S4, the flatness value is obtained according to the measurement of the flatness measurement module: a, the polyester yarn is looser due to low flatness, so that winding is generated during winding, the loosening of the polyester yarn is continuously eliminated by applying a thrust to the yarn through the self-pushing unit (2), and the self-pushing unit (2) can judge whether action and action strength need to be generated or not according to the following calculation formula;
in the formula: z is an action signal of the self-pushing unit (2), alpha is a correction coefficient of the flatness, and a is the normal flatness;
it can be derived that the self-pushing unit (2) stops working when the flatness is greater than the normal flatness, and the device acts when the flatness is less than the normal flatness, and the less the flatness, the more violent the action of the self-pushing unit (2) is.
6. A self-propelled anti-winding device for mosquito net production according to claim 5, characterized in that: in the step S1, whether an alarm is required or not can be determined according to the expanded diameter of the polyester yarn, and when the individual polyester yarn is usedWhen the diameter is too large or the diameter of the total polyester yarn is too high to a great extent under normal conditions, an alarm is needed to inform the staff, and when the diameter is too large, the staff can be informed
The alarm is needed to inform the staff, namely when the expansion diameter of the individual polyester yarns is too large or the overall expansion diameter of the polyester yarns is too large, the staff is reminded through the alarm mechanism, and the staff can make corresponding adjustment.
7. A self-propelled anti-winding device for mosquito net production according to claim 6, characterized in that: adsorb unit (3), shoot unit (5), spraying unit (4) all set up the upside at rolling up shell (1), push away unit (2) from setting up the downside at rolling up shell (1), the top that pushes away unit (2) from is flexible material.
8. A self-propelled anti-winding device for mosquito net production according to claim 7, characterized in that: one side of the coiling shell (1) is provided with a wire inlet.
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| US3375992A (en) * | 1965-02-04 | 1968-04-02 | Bemberg Ag | Apparatus for the beaming and winding of thread bolts and material webs |
| US4519202A (en) * | 1982-04-01 | 1985-05-28 | Zinser Textilmaschinen Gmbh | Spinning or twisting machine, especially for glass-fiber threads |
| US5295287A (en) * | 1990-10-29 | 1994-03-22 | Compagnie Generale Des Establissements Michelin - Michelin & Cie | Method and installation for the on-line production of a ply of assemblies and the winding thereof on a beam |
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