DESC:FORM 2
THE PATENTS ACT 1970
[39 OF 1970]
&
THE PATENTS (AMENDMENT) RULES, 2006
COMPLETE SPECIFICATION
[See Section 10; rule 13]
“SPINDLE BRAKE ARRANGEMENT FOR PIECING UNIT OF RING SPINNING MACHINE”
Lakshmi Machine Works Limited, an Indian company, of Perianaickenpalayam, Coimbatore- 641020, Tamilnadu, India,
The following specification particularly describes the invention and the manner in which it is to be performed:
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SPINDLE BRAKE ARRANGEMENT FOR PIECING UNIT OF RING
SPINDLE BRAKE ARRANGEMENT FOR PIECING UNIT OF RING SPINNING MACHINESPINNING MACHINE
FIELD OF THE INVENTION
FIELD OF THE INVENTION 5
The present invention relates to textile
The present invention relates to textile ring spinningring spinning machines. Particularly, machines. Particularly, the invention relates to an automatic yarn piecing the invention relates to an automatic yarn piecing devicedevice in in ring spinning ring spinning machinesmachines. More particularly, the invention . More particularly, the invention relates to spindle brake unit for relates to spindle brake unit for automatic piecingautomatic piecing unit for spindle brakingunit for spindle braking operation in operation in textile ring spinning textile ring spinning 10 machines.machines.
BACKGROUND OF THE INVENTION
BACKGROUND OF THE INVENTION
In textile spinning mills, the cotton is converted into yarn through
In textile spinning mills, the cotton is converted into yarn through a series of a series of 15 machines. Ring spinning machines are the resultant yarn producing and machines. Ring spinning machines are the resultant yarn producing and crucial machines in textile spinning mills. Textile roving materials produced crucial machines in textile spinning mills. Textile roving materials produced from roving frame machines are usually fed into the ring spinning machines. from roving frame machines are usually fed into the ring spinning machines. The said ring spinniThe said ring spinning machines delivers the final stage of cotton in spinning ng machines delivers the final stage of cotton in spinning line, so called yarn. During ring spinning, line, so called yarn. During ring spinning, yarn breakage yarn breakage occurs frequently occurs frequently 20 and it is to be continuously monitored and pieced by the manual laboursand it is to be continuously monitored and pieced by the manual labours.. The The yarn breakage occurs due to various parameteyarn breakage occurs due to various parameters of yarn and machine and it rs of yarn and machine and it is unavoidable. In long spinning frame sites, manual labours continuously is unavoidable. In long spinning frame sites, manual labours continuously watch for yarn breakages and perform manual piecing of broken yarns. This watch for yarn breakages and perform manual piecing of broken yarns. This has to be done for a machine frame has to be done for a machine frame normally normally consisting of consisting of more than 1600 more than 1600 25 spindspindles. Theles. Then, n, yarn spinning sequence has to be restarted then and there yarn spinning sequence has to be restarted then and there after yarn breakage in order to after yarn breakage in order to resume yarn spinning and to resume yarn spinning and to avoid wastage of avoid wastage of yarn. yarn.
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To overcome above problems, a
To overcome above problems, automatic piecing units are developedutomatic piecing units are developed. . The The automatic piecing unitautomatic piecing unit is in this in the form of a movable e form of a movable vehiclevehicle with wheels/rails. with wheels/rails. The said piecing vehicle stops at respective spindle units which require The said piecing vehicle stops at respective spindle units which require piecing attention. piecing attention. The piecing unit The piecing unit in general in general movmoves es longitudinally longitudinally over the over the 5 machine frame aisles. machine frame aisles. Before initiating piecing operation, Before initiating piecing operation, the piecing the piecing vehicle vehicle stops in front of the spindle position of ring spinning machine. The broken stops in front of the spindle position of ring spinning machine. The broken yarn spindle has to be applied brake to initiate piecing operation. The yarn spindle has to be applied brake to initiate piecing operation. The conventional spindle brake unit available in ring spinning machines in the conventional spindle brake unit available in ring spinning machines in the form of hand form of hand actuated lever to hold the spindle wharve to stop the spindle actuated lever to hold the spindle wharve to stop the spindle 10 rotation forms hindrance for automatic piecing unit to pass inside piecing rotation forms hindrance for automatic piecing unit to pass inside piecing zone. Hence, the conventional spindle brake needs to be removed. Even if zone. Hence, the conventional spindle brake needs to be removed. Even if the existing brake is removed, the automatic pthe existing brake is removed, the automatic piecing unit has to stop the iecing unit has to stop the rotation of broken yarn spindle while performing piecing operationsrotation of broken yarn spindle while performing piecing operations with the with the aid of aid of contacting contacting membermember provided in the automatic piecing unit,provided in the automatic piecing unit, whichwhich is is 15 capable of moving forward and backward. The said capable of moving forward and backward. The said contacting contacting member abuts member abuts on ton the front he front face face of of ring spinning ring spinning spindlespindle wharvewharve and acts as brake and acts as brake to to stop the stop the rotation of spindlerotation of spindle.. The spindle brake has to be applied intermittently multiple The spindle brake has to be applied intermittently multiple times to enable operation of various piecing modules during the piecing times to enable operation of various piecing modules during the piecing sequence. The impact load osequence. The impact load of said contacting member of spindle brake over f said contacting member of spindle brake over 20 the spindle wharve due to one side load creates spindle distortion / deflection.the spindle wharve due to one side load creates spindle distortion / deflection. The The disadvantage in this type of braking disadvantage in this type of braking actionaction and spindle distortionand spindle distortion is that, it is that, it causes spindle misalignmentcauses spindle misalignment, wobbling and ben, wobbling and bending and ding and spindle wear and spindle wear and teartear damagesdamages occuroccur. The said problems lead to . The said problems lead to poor yarn qualitypoor yarn quality and affects and affects overall piecing and production efficiency of overall piecing and production efficiency of bothboth automatic piecing unit and automatic piecing unit and 25 ring spinning machine.ring spinning machine. Further Further frequent replacement of spindles frequent replacement of spindles due to due to damagedamages results ins results in higher costshigher costs..
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To overcome the above mentioned disadvantages, the present invention
To overcome the above mentioned disadvantages, the present invention provides an improved provides an improved braking braking arrangement for arrangement for spindles spindles to enable automatic to enable automatic piecing in ring spinning machines.piecing in ring spinning machines.
OBJECTS OF THE INVENTION
OBJECTS OF THE INVENTION 5
The main object of the
The main object of the present invention is to provide an improved piecing present invention is to provide an improved piecing unit for textile ring spinning machines.unit for textile ring spinning machines.
Another object of the present invention is to provide
Another object of the present invention is to provide a a braking braking arrangementarrangement 10 for spindlefor spindle in the automatic piecing unit of the textile ring spinning machines.in the automatic piecing unit of the textile ring spinning machines.
Anot
Another object of the present invention is to provide an improved braking her object of the present invention is to provide an improved braking arrangement arrangement for spindle for spindle in the automatic in the automatic piecing unit of the textile ring piecing unit of the textile ring spinning machinesspinning machines which does not cause any damage to the spindlewhich does not cause any damage to the spindle.. 15
SUMMARY OF THE INVENTION
SUMMARY OF THE INVENTION
According to the in
According to the invention, the vention, the automatic piecing unit is provided for automatic piecing unit is provided for textile textile ring spinning machinering spinning machines. s. The automatic piecing unit assists in yarn piecing The automatic piecing unit assists in yarn piecing 20 operation during yarn breakage incidents in ring spinning machines. operation during yarn breakage incidents in ring spinning machines. TheThe spindle spindle rotation rotation should be stopshould be stoppedped, before and/or, before and/or duringduring the piecing the piecing operation. To enable the same, the present invention is provided with operation. To enable the same, the present invention is provided with an an improved improved spindle brake unit in automatic piecing unit. The said spindle brake spindle brake unit in automatic piecing unit. The said spindle brake unit unit comprises comprises at least two gripper arms adapted to move sideways with at least two gripper arms adapted to move sideways with 25 respect to eacrespect to each otherh other. . The at least two gripper arms are substantially parallel The at least two gripper arms are substantially parallel to each other, and are positioned substantially perpendicular to a longitudinal to each other, and are positioned substantially perpendicular to a longitudinal direction of the ring spinning machine. direction of the ring spinning machine. Each of the at least two gripper arms is Each of the at least two gripper arms is
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coupled with at least one gri
coupled with at least one gripping finger adapted to grip a spindle wharve of a pping finger adapted to grip a spindle wharve of a spindle of the ring spinning machine spindle of the ring spinning machine to stop rotation of the spindleto stop rotation of the spindle.. Each of Each of the at leastthe at least one gripping finger comprises one or more brake shoes disposed one gripping finger comprises one or more brake shoes disposed at an inner end thereof, to grip at an inner end thereof, to grip thethe spindle wharvespindle wharve of the spindleof the spindle of the ring of the ring spinning machinespinning machine.. 5
In one aspect,
In one aspect, the the gripper arms move sideways with respect to each othergripper arms move sideways with respect to each other in in a linear motion guideway of the spindle brake unit. a linear motion guideway of the spindle brake unit.
In one aspect,
In one aspect, the spindle brake unit is positioned concentrically around the the spindle brake unit is positioned concentrically around the 10 sspindle wharve of the spindle of the ring spinning machine in working pindle wharve of the spindle of the ring spinning machine in working position.position.
In one aspect, e
In one aspect, each of the at least two gripper arms is connected to the at ach of the at least two gripper arms is connected to the at least one gripping finger by a connecting meansleast one gripping finger by a connecting means.. 15
In one aspect,
In one aspect, the spindle brake unit stops and rethe spindle brake unit stops and releases the rotation of the leases the rotation of the spindle of the ring spinning machine for required number of times as per spindle of the ring spinning machine for required number of times as per predetermined programs when a piecing operation of a broken yarn of the predetermined programs when a piecing operation of a broken yarn of the spindle is to be performed.spindle is to be performed. 20
The
The automatic piecing unit comprisesautomatic piecing unit comprises an actuating meansan actuating means for moving the for moving the spindle brake unit towards the spindle.spindle brake unit towards the spindle.
In one aspect, t
In one aspect, the one or more brake shoes are made of any of a polymer he one or more brake shoes are made of any of a polymer 25 material and amaterial and ann elastomer material.elastomer material.
In one aspect,
In one aspect, sideways movement of the sideways movement of the at least two gripper arms at least two gripper arms is is
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enabled by air from a
enabled by air from an air source of the ring spinning machine or the n air source of the ring spinning machine or the automatic piecing unitautomatic piecing unit..
In one aspect, a method for braking a spindle of a ring spinning machine by
In one aspect, a method for braking a spindle of a ring spinning machine by aan n automatic piecing unit comprises placing a spindle brake unit of the automatic piecing unit comprises placing a spindle brake unit of the 5 automatic piecing unit at a predetautomatic piecing unit at a predetermined distance from the spindle centre in ermined distance from the spindle centre in a circumferential manner around the a circumferential manner around the spindlespindle of the ring spinning machine. of the ring spinning machine. The method further comprises gripping a spindle wharve of the spindle of the The method further comprises gripping a spindle wharve of the spindle of the ring spinning machine by means of ring spinning machine by means of at least two gripper arms cat least two gripper arms coupled with at oupled with at least one gripping fingerleast one gripping finger, , adapted to move sideways with respect to each adapted to move sideways with respect to each 10 other, to stop rotation of the spindle during piecing operation.other, to stop rotation of the spindle during piecing operation.
Other aspects and advantages of the invention will become apparent from the
Other aspects and advantages of the invention will become apparent from the following description, takfollowing description, taken in conjunction with the accompanying drawing, en in conjunction with the accompanying drawing, illustrating by way of example the principles of the invention. illustrating by way of example the principles of the invention. 15
BRIEF DESCRIPTION OF THE
BRIEF DESCRIPTION OF THE ACCOMPANYING ACCOMPANYING DRAWINGDRAWINGSS
Figure
Figure 1 1 illustrates the illustrates the schematic view of the spindle brake unit provided in schematic view of the spindle brake unit provided in automatic pieciautomatic piecing unit of ring spinning machine according to an embodiment ng unit of ring spinning machine according to an embodiment 20 of the present invention.of the present invention.
Figures 2a and 2b illustrate the top views of the spindle brake unit before and
Figures 2a and 2b illustrate the top views of the spindle brake unit before and during applying brake respectively according to the present invention.during applying brake respectively according to the present invention.
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DETAILED DESCRIPT
DETAILED DESCRIPTION OF THE INVENTIONION OF THE INVENTION
Referring to figures 1, 2a & 2b, t
Referring to figures 1, 2a & 2b, the he ring spinning machine (1) of the ring spinning machine (1) of the present present
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invention
invention is provided with automatic piecing unit (2). The automatic piecing is provided with automatic piecing unit (2). The automatic piecing unit (2) moves longitudinally along the aisle of the ring spinning machine (1).unit (2) moves longitudinally along the aisle of the ring spinning machine (1). The ring spinning machine (1) is capable of winding yarn (not shown) onto a The ring spinning machine (1) is capable of winding yarn (not shown) onto a bobbin mounted to spinning spindle (3), so called cop. When yarn breakage bobbin mounted to spinning spindle (3), so called cop. When yarn breakage occurs during normal running conditions, the automatic piecing unit (2) moves occurs during normal running conditions, the automatic piecing unit (2) moves 5 to particular broken yarn sto particular broken yarn spindle (3) and pieces the broken yarn with the pindle (3) and pieces the broken yarn with the delivery yarn from drafting zone (not shown). Before initiating the piecing delivery yarn from drafting zone (not shown). Before initiating the piecing sequence and/or during piecingsequence and/or during piecing,, the spindle (3) rotation must be stopped the spindle (3) rotation must be stopped to to assist the piecing operation.assist the piecing operation.
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The automatic piecing unit
The automatic piecing unit (2) according to the present invention is provided (2) according to the present invention is provided with an improved spindle brake unit (4) mounted in the automatic piecing unit with an improved spindle brake unit (4) mounted in the automatic piecing unit (2). (2). The spindle brake unitThe spindle brake unit (4)(4) is provided with is provided with suitable suitable actuating meansactuating means to to move the braking unit (4) towards the spindle (3)move the braking unit (4) towards the spindle (3). The spindle brake unit (4) . The spindle brake unit (4) along with actuating means is mounted to the automatic piecing unit (2) along with actuating means is mounted to the automatic piecing unit (2) 15 through suitable connecting means and brackets. The braking unit (4) is through suitable connecting means and brackets. The braking unit (4) is provided with two substantially parallel gripper arms (6a, 6b) capable of provided with two substantially parallel gripper arms (6a, 6b) capable of moving simoving sideways towards and away from each other in a horizontal linear deways towards and away from each other in a horizontal linear motion guideway (7). The said horizontal linear motion guideway (7) is motion guideway (7). The said horizontal linear motion guideway (7) is provided by suitable air source from auto piecing unit (2) and/or from other air provided by suitable air source from auto piecing unit (2) and/or from other air 20 source in spinning machine / mill. The sasource in spinning machine / mill. The said gripper arms (6a, 6b) are mounted id gripper arms (6a, 6b) are mounted with with two two gripping jawsgripping jaws (8a, 8b) each connected externally through connecting (8a, 8b) each connected externally through connecting means (9) such as screws in the form of grippingmeans (9) such as screws in the form of gripping fingersfingers / jaws (8a, 8b). / jaws (8a, 8b). In In working positionworking position,, the spindle brake unitthe spindle brake unit (4)(4) is positioned concenis positioned concentrically around trically around the spindlethe spindle wharve (10)wharve (10) below the ring rail. The external below the ring rail. The external gripping gripping fingersfingers / / 25 jaws (8a, 8b)jaws (8a, 8b) connected to gripping connected to gripping arms (6a, 6b)arms (6a, 6b) areare placed substantially placed substantially perpendicular to the longitudinal direction of the ring spinning machine.perpendicular to the longitudinal direction of the ring spinning machine.
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After
After the spithe spindle brake unitndle brake unit (4)(4) is placed in working positionis placed in working position, t, the spindle brake he spindle brake is applied by means of is applied by means of air source through the two parallel air source through the two parallel grippgripper arms (6a, er arms (6a, 6b)6b). . TThe spindlehe spindle wharve (10)wharve (10) is gripped firmly on is gripped firmly on twotwo sides by means of sides by means of gripping fingersgripping fingers (8a, 8b)(8a, 8b) connected toconnected to the gripping the gripping arms (6a, 6b)arms (6a, 6b). The gripping . The gripping fingersfingers (8a, 8b)(8a, 8b) are provided with are provided with brake linings / shoes (11)brake linings / shoes (11) at the inner ends at the inner ends 5 so that the gripping fingers (8) with brake shoes (11) so that the gripping fingers (8) with brake shoes (11) holdholdss the spindlethe spindle wharve wharve (10) sideways(10) sideways firmlyfirmly at the circumference of spindle wat the circumference of spindle wharve (10) and stops harve (10) and stops the spindle (3) rotationthe spindle (3) rotation duringduring / before initiating piecing/ before initiating piecing. . The brake linings (11) The brake linings (11) are made of are made of a a polymerpolymer or or an an elastomer material preferably or the like. The elastomer material preferably or the like. The braking member grips the spindle wharve at double side without any impact braking member grips the spindle wharve at double side without any impact 10 loload and with lesser force itself as the load is distributed at two sides. ad and with lesser force itself as the load is distributed at two sides. Therefore, the disadvantages of spindle distortion / deflection, misalignment, Therefore, the disadvantages of spindle distortion / deflection, misalignment, wobbling and bending are avoided.wobbling and bending are avoided.
According to an embodiment of the present invention, the gripping arm
According to an embodiment of the present invention, the gripping arm (6a / (6a / 15 6b) and gripping finger (8a / 8b) can be integrated as a single piece at each 6b) and gripping finger (8a / 8b) can be integrated as a single piece at each ends.ends.
According to further embodiment
According to further embodiment,, during the piecing sequences, the spindle during the piecing sequences, the spindle brake is actuated and released brake is actuated and released for required for required number of times as per number of times as per 20 predetermined programspredetermined programs to assist in working of various modules of the to assist in working of various modules of the automatic piecing unit. automatic piecing unit. The brake is applied and relieved at any sequence The brake is applied and relieved at any sequence and any timing during piecing operation. and any timing during piecing operation. Since the spindle is stopped by Since the spindle is stopped by means of two gripping fingersmeans of two gripping fingers sidewayssideways, the spindle is stoppe, the spindle is stopped in more d in more preciprecisese manner and held firmly. The spindle misalignment manner and held firmly. The spindle misalignment due to braking due to braking is is 25 completely eliminated in the present invention.completely eliminated in the present invention.
According to a further embodiment, the number of gripping fingers / jaws is
According to a further embodiment, the number of gripping fingers / jaws is
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not limited to two. The jaws can be provided i
not limited to two. The jaws can be provided in any numbers more than two. n any numbers more than two. The spindle wharve is not only braked sideways by linear gripping fingers. It The spindle wharve is not only braked sideways by linear gripping fingers. It can also be gripped around the circumference anywhere by means of rotary can also be gripped around the circumference anywhere by means of rotary gripping jaws and the like.gripping jaws and the like.
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Thus, the above described automatic piecing uni
Thus, the above described automatic piecing unit for ring spinning machine t for ring spinning machine frame provides an frame provides an effective effective spindle brakingspindle braking arrangement for enabling reliable arrangement for enabling reliable piecing operation and prevents damage to machine components.piecing operation and prevents damage to machine components.
In view of the present disclosure which describes the present invention, all
In view of the present disclosure which describes the present invention, all 10 changes, mochanges, modifications and variations within the meaning and range of difications and variations within the meaning and range of equivalency are considered within the scope and spirit of the invention.equivalency are considered within the scope and spirit of the invention. ,CLAIMS:We Claim
1. An automatic piecing unit (2) of a ring spinning machine (1) comprising:
a spindle brake unit (4), comprisi ng:
at least two gripper arms (6a, 6b) adapted to move sideways with
respect to each other, 5
wherein each of the at least two gripper arms (6a, 6b) is coupled
with at least one gripping finger (8a, 8b) adapted to grip a spindle
wharve (10) of a spindle (3) of the ring spinning machine (1) to stop
rotation of the spindle (3).
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2.
The automatic piecing unit (2) as claimed in claim 1, wherein the gripper
arms (6a, 6b) move sideways with respect to each other in a linear motion
guideway (7) of the spindle brake unit (4).
3.
The automatic piecing unit (2) as claimed in claim 1, wherein each of the at 15 least one gripping finger (8a, 8b) comprises one or more brake shoes (11)
disposed at an inner end thereof, to grip the spindle wharve (10) of the
spindle (3) of the ring spinning machine (1) 1).
4. The
automatic piecing unit (2) as claimed in claim 1, wherein the at least
two gripper arms (6a, 6b) are substantially parallel to each other, and are 20 positioned substantially perpendicular to a longitudinal direction of the ring
spinning machine (1).
5. The
automatic piecing unit (2) as claimed in claim 1, wherein the spindle
brake unit (4) is positioned concentrically around the spindle wharve (10) of
the spindle (3) of the ring spinning machine (1) in working position. 25
11
6. The
6. The automatic piecing unit (2) as claimed in claim 1, wherein automatic piecing unit (2) as claimed in claim 1, wherein each of the at each of the at least two gripper arms (6a, 6b) is connected to the at least one gripping finger least two gripper arms (6a, 6b) is connected to the at least one gripping finger (8a, 8b) by a connecting means (9).(8a, 8b) by a connecting means (9).
7. The
7. The automatic piecing unit (2) as claimed in claim 1, wautomatic piecing unit (2) as claimed in claim 1, wherein the spindle herein the spindle brake unit (4) stops and releases the rotation of the spindle (3) of the ring brake unit (4) stops and releases the rotation of the spindle (3) of the ring 5 spinning machine (1) for required number of times as per predetermined spinning machine (1) for required number of times as per predetermined programs when a piecing operation of a broken yarn of the spindle (3) is to be programs when a piecing operation of a broken yarn of the spindle (3) is to be performedperformed..
8. The
8. The automatic piecing unit (2) as claimed in claim 1, further comprising an automatic piecing unit (2) as claimed in claim 1, further comprising an actuating means for moving the spindle brake unit (4) towards the spindle (3).actuating means for moving the spindle brake unit (4) towards the spindle (3). 10
9. The automatic piecing unit (2) as claimed in claim 3, wherein the one or
9. The automatic piecing unit (2) as claimed in claim 3, wherein the one or more brake shoes (11more brake shoes (11) are made of any of a polymer material and a) are made of any of a polymer material and ann elastomer material.elastomer material.
10. The automatic piecing unit (2) as claimed in claim 2, wherein sideways
10. The automatic piecing unit (2) as claimed in claim 2, wherein sideways movement of the movement of the at least two gripper arms (6a, 6b) at least two gripper arms (6a, 6b) is enabled by air from an is enabled by air from an 15 air source of the ring spinning machiair source of the ring spinning machine (1) or the automatic piecing unit (2). ne (1) or the automatic piecing unit (2).
11. A method for braking a spindle (3) of a ring spinning machine (1) by a
11. A method for braking a spindle (3) of a ring spinning machine (1) by an n automatic piecing unitautomatic piecing unit (2)(2), the method comprising;, the method comprising;
placing a spindle brake unit (4) of the automatic piecing unit (2) at a
placing a spindle brake unit (4) of the automatic piecing unit (2) at a predetermined predetermined distance from the spindle (3) centre in a circumferential distance from the spindle (3) centre in a circumferential 20 manner around the manner around the spindlespindle (3) of the ring spinning machine (1);(3) of the ring spinning machine (1); andand
1 2
gripping a spindle wharve (10) of the spindle (3) of the ring spinning
gripping a spindle wharve (10) of the spindle (3) of the ring spinning machine (1) by means of machine (1) by means of at least two gripper arms (6a, 6b) at least two gripper arms (6a, 6b) coupled with at coupled with at least one gripping finger (8a, 8b)least one gripping finger (8a, 8b), , adapted to move sideways with respect to adapted to move sideways with respect to each other, to stop rotation of the spindle (3) during piecing operation.each other, to stop rotation of the spindle (3) during piecing operation.
12. The method for braking the spindle (3) as claimed in claim 11, wherein the
12. The method for braking the spindle (3) as claimed in claim 11, wherein the 5 spindle brspindle brake unit (4) stops and releases the rotation of the spindle (3) for ake unit (4) stops and releases the rotation of the spindle (3) for required number of times as per predetermined programs when a piecing required number of times as per predetermined programs when a piecing operation of a broken yarn of the spindle (3) is to be performed. operation of a broken yarn of the spindle (3) is to be performed.
13. The method for braking the spindle (3) as claim
13. The method for braking the spindle (3) as claimed in claim 11, wherein ed in claim 11, wherein sideways movement of the sideways movement of the at least two gripper arms (6a, 6b) with respect to at least two gripper arms (6a, 6b) with respect to 10 each other each other is enabled by air from an air source of the ring spinning machine is enabled by air from an air source of the ring spinning machine (1) or the automatic piecing unit (2). (1) or the automatic piecing unit (2).
Dated this 12
Dated this 12thth day ofday of OctoOctoberber, 2020, 2020
[JAYANTA PAL]
IN/PA 172
Of REMFRY & SAGAR
ATTORNEY FOR THE APPLICANT[S]
ATTORNEY FOR THE APPLICANT[S]