CN207091603U - A kind of composite twisting machine - Google Patents
A kind of composite twisting machine Download PDFInfo
- Publication number
- CN207091603U CN207091603U CN201720606413.3U CN201720606413U CN207091603U CN 207091603 U CN207091603 U CN 207091603U CN 201720606413 U CN201720606413 U CN 201720606413U CN 207091603 U CN207091603 U CN 207091603U
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- CN
- China
- Prior art keywords
- guide wheel
- retwist
- twist
- tengential belt
- spindle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of composite twisting machine, including：First twist transmission device, roller drive mechanism and retwist transmission device.There is provided automatic separator in the guide wheel of first twist transmission device to be configured to clutch guide wheel, and when filament failure occurs, clutch guide wheel is automatically stopped rotation after departing from；During twisting thread without operating personnel's moment it is touring check, less manpower, power saving and reducing wastes, while improves production efficiency.First twist transmission device is driven the kind of drive of one group of spindle by one small tengential belt by some groups of clutch guide wheels of a long queue V belt translation, each clutch guide wheel, and spindle stabilization of speed is consistent, and twist CV is good.Retwist transmission device is driven small tengential belt using rolling disk, the kind of drive of each small multiple brake spindles of tengential belt transmission, because the cornerite of each brake spindle reaches 90 °, therefore as long as the tensile force very little of small tengential belt is with regard to that can reach required spindle rotating speed, reduce ingot and catch up with frictional force with bolster inner bearing, stable ingot speed can be realized and reach noise reduction, drop the purpose of power consumption.
Description
Technical field
It the utility model is related to a kind of twisting machine, and in particular to a kind of composite twisting machine of monofilament and doubling twisting, belong to
Technical field of textile machine.
Background technology
Twisting machine is that multiply spun yarn is twisted to one textile machine equipment, its act on be by several raw materials (such as dacron thread,
Artificial silk, Polyamide Yarns etc.) monofilament remerges twisting into one yarn after first twist is twisted.Existing twisting machine is primarily present following
Railway Project：
(1) first twist and retwist do not have dead-man's device, need operator is constantly touring to check during twisting thread, send out
Start after existing fracture of wire manually plus service brake mechanism of car is braked, spindle is stopped operating.So operation causes operating personnel's working strength
Increase, recruitment is more, and greasy dirt is more, and thread material wastes greatly, and production efficiency is not high.
(2) first twist is by several long tengential belt while is driven a few row's spindles, effectively measures what tengential belt was tensioned due to no
Instrument, general armrest sense and experience adjust the tensile force of several long tengential belt；It can so cause inside and outside with several spindles of combination
Rotating speed is different, and part variation is larger, causes linen thread and twist CV differences excessive.
(3) existing twisting machine retwist drives lower row's spindle using one long tengential belt, due to the contact surface of tengential belt and spindle compared with
It is small, thus tengential belt must be drawn relatively it is tight just can guarantee that spindle will not stall, thus increase spindle blade and bolster inner bearing
Frictional force, cause load to increase, produce stall, increase power consumption and noise.
Utility model content
In view of this, the utility model provides a kind of composite twisting machine, and rotation is automatically stopped when filament failure occurs, and saves
Manually and production efficiency can be improved, and spindle stabilization of speed is consistent, twist CV is good.
Described composite twisting machine includes first twist transmission device, roller drive mechanism and retwist transmission device；The first twist
Transmission device includes：The main drive gear that is formed by two belt pulleys and by the annular long tengential belt of two pulley drives,
For the main drive gear provide power first twist power unit and the two or more being arranged symmetrically on the outside of the long tengential belt from
Close guide wheel transmission mechanism；
The clutch guide wheel transmission mechanism includes：The small tengential belt of clutch guide wheel, first twist, the molecular ingot of two or more two-for-one twisting spindle
Subgroup；The clutch guide wheel includes：Guide wheel a, guide wheel b and the clutch for controlling guide wheel a and guide wheel the b coupled/separateds
Structure；The guide wheel a is contacted with the long tengential belt and rotated under the drive of long tengential belt along its own axis, and the annular first twist is small
Tengential belt is stretched on guide wheel b and spindle group, forms V belt translation；Each two-for-one twisting spindles drives the first twist for being wound with a monofilament bobbin to turn
It is dynamic；
The monofilament that first twist bobbin in same clutch guide wheel transmission mechanism comes out enters the same roller transmission knot
Structure completes plying, forms folded yarn；It is provided between the first twist bobbin and the roller drive mechanism for detecting first twist
Whether the monofilament that bobbin comes out has the circuit wire detecting device of fracture of wire；
Under normal operating conditions, the guide wheel a and guide wheel b are in bonding state, and guide wheel a can drive the guide wheel b to turn
It is dynamic；After the circuit wire detecting device detects Yarn break, the guide wheel a and guide wheel b are separated in the presence of clutch,
The guide wheel b stops operating；
The retwist transmission device is used to the folded yarn being wrapped in retwist bobbin, each clutch guide wheel transmission mechanism
A corresponding retwist bobbin.
For controlling the clutch of guide wheel a and guide wheel the b coupled/separateds to include：Electric pushrod, guide wheel mandrel, rub
Brush assembly and butterfly spring piece；The guide wheel a is coaxial docking with the guide wheel b, and the guide wheel mandrel is by bearings in institute
In the centre bore for stating guide wheel a and guide wheel b；Electric pushrod, the electric pushrod are provided with the centre bore of the guide wheel mandrel
It can be moved along its axis in guide wheel mandrel centre bore；Radially be machined with the periphery of the guide wheel mandrel with wherein
The mounting hole of heart hole insertion, the interior installation pin of mounting hole, the pin is connected with the electric pushrod, and kidney-shaped is stretched out at both ends
Hole；Friction component is provided with the relative end face of the guide wheel a and guide wheel b, the friction component is by two friction element groups
Into one of friction element is connected with the guide wheel a, and another friction element is connected with the guide wheel b；
Under normal operating conditions, two friction elements contact in the friction component, the guide wheel a passes through the friction
Component drives the guide wheel b to rotate；After circuit wire detecting device detects Yarn break, broken yarn letter is sent to the electric pushrod
Number, the electric pushrod moves in the guide wheel mandrel centre bore along its axis, drives the pin to be moved in mounting hole, pin
By promoting a friction element of the friction component to move in sub- moving process, make two friction element separation, together
When compress the butterfly spring piece；When needing to return to normal operating conditions, the electric pushrod drives pin opposite direction to move
It is dynamic, resetted by mobile friction element in the presence of the butterfly spring piece, make two in the friction component members that rub
Part resumes contacts.
The retwist transmission device includes：Rolling disk axle, the retwist power unit for driving the rolling disk axle rotation and edge
It is axially disposed within the two or more rolling disk transmission mechanism on the rolling disk axle；
The rolling disk transmission mechanism includes：The small tengential belt of rolling disk, retwist, two or more brake spindle and retwist bobbin；It is described
Rolling disk rotates under the drive of the rolling disk axle, and the small tengential belt of retwist is stretched in the ingot that braked described in the rolling disk and two or more
On son, V belt translation is formed；Each brake spindle drives a retwist bobbin to rotate, so as to enter the plying of retwist bobbin
Yarn is wrapped on retwist bobbin.
Beneficial effect：
(1) automatic separating apparatus is provided with the guide wheel of first twist transmission device and forms clutch guide wheel, when generation fracture of wire event
During barrier, clutch guide wheel is automatically stopped rotation after departing from；Therefore twist thread during without operating personnel's moment it is touring check, have save
Manually, the characteristics of power saving and reduction waste, while improve production efficiency.
(2) first twist transmission device is tensioned by some groups of clutch guide wheels of a long queue V belt translation, long queue band by several
Wheel tensioning, each clutch guide wheel is driven one group of spindle by one small tengential belt, because every group of spindle is all by a small tengential belt
Transmission, and cornerite is big, therefore spindle stabilization of speed is consistent, twist CV is good.
(3) retwist transmission device is driven small tengential belt using rolling disk, and each small tengential belt is driven the transmission side of four brake spindles
Formula, because the cornerite of each brake spindle reaches 90 °, as long as so the tensile force very little of small tengential belt is with regard to that can reach required spindle
Rotating speed, frictional force with bolster inner bearing is caught up with so as to substantially reduce ingot, stable ingot speed can be realized and reach noise reduction, drop electricity
The purpose of consumption.
Brief description of the drawings
Fig. 1 is the overall transmission principle schematic diagram of the composite twisting machine；
Fig. 2 is the kind of drive schematic diagram of first twist transmission device；
Fig. 3 and Fig. 4 is the transmission schematic diagram of first twist single group clutch guide wheel transmission mechanism；
Fig. 5 is the structural representation of clutch guide wheel；
Fig. 6 is the kind of drive schematic diagram of retwist transmission device.
Wherein：1- first twist motors, 2- belt pulleys, the long tengential belts of 3-, 4- clutch guide wheels, the small tengential belt of 5- first twists, 6- first twist bobbins,
7- two-for-one twisting spindles, 8- monofilament, 9- twizzles, 10- visit silk hook, 11- retwist motors, 12- rolling disk axles；13- roller transmission mechanisms,
15- folded yarns, 16- retwist bobbins, 17- brake spindles, the small tengential belt of 19- retwists, 20- tensioning wheels B, 21- rolling disk, 23- tensioning wheels
A, 24- electric pushrod, 26- guide wheel mandrels, 27- lower covers, 28- pins, 29- frictional disks, 30- spline friction plates, cover on 32-, 34-
Deep groove ball bearing, 35- bearing spacers, 37- butterfly spring pieces, 38- thrust ball bearings, 41- guide wheels a, 42- guide wheel b.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in further detail.
The present embodiment provides a kind of composite twisting machine, is automatically stopped rotation when filament failure occurs, less manpower and can
Production efficiency is improved, and spindle stabilization of speed is consistent, twist CV is good.
As shown in figure 1, the composite twisting machine includes：First twist transmission device, roller drive mechanism 13, circuit wire detecting device and
Retwist transmission device.
Wherein first twist transmission device as shown in Fig. 2 including：First twist motor 1, first twist bobbin 6, it is arranged on headstock and the tailstock
Two belt pulleys 2 and the annular long tengential belt 3 being driven by two belt pulleys 2, long tengential belt 3 are opened by several tensioning wheels A23
Tightly.First twist motor 1 positioned at the belt pulley 2 of headstock by driving long tengential belt 3 to realize V belt translation.Two outsides of long tengential belt 3 are right respectively
Title is disposed with several clutch guide wheel transmission mechanisms.Clutch guide wheel transmission mechanism as shown in Figure 3 and Figure 4, including：Clutch guide wheel 4,
The small tengential belt 5 of first twist and three two-for-one twisting spindles 7.Clutch guide wheel 4 contacts with long tengential belt 3 and under the drive of long tengential belt 3 along its own
Axis is rotated, and the annular small tengential belt 5 of first twist is stretched on clutch guide wheel 4 and three two-for-one twisting spindles 7, V belt translation is formed, so as to pass through
Clutch guide wheel 4 drives two-for-one twisting spindles 7 to rotate, the circumference side of clutch guide wheel 4 and three two-for-one twisting spindles 7 along the small tengential belt 5 of annular first twist
To being evenly arranged.A first twist bobbin 6 for being wound with monofilament 8 is set on each two-for-one twisting spindles 7.
The transmission process of first twist transmission device is：After first twist motor 1 operates, length is driven by the belt pulley 2 positioned at headstock
Tengential belt 3, long tengential belt 3 drive clutch guide wheel 4, and clutch guide wheel 4 drives three two-for-one twisting spindles 7, and then band by the small tengential belt 5 of first twist
Dynamic first twist bobbin 6 rotates.
The clutch guide wheel 4 can be automatically separated when filament failure occurs, so that first twist transmission device stops operating,
The structure of clutch guide wheel as shown in figure 5, including：Guide wheel a41, guide wheel b42, electric pushrod 24, frictional disk 29 and butterfly spring piece
37.Its specific annexation is：Guide wheel a41 and guide wheel b42 is the hollow wheel of both ends open, and guide wheel a41 one end passes through upper
Lid 32 is closed, and the other end is coaxial docking with guide wheel b42, and guide wheel b42 bottom is provided with lower cover 27.In guide wheel a41 and guide wheel b42
Centre bore in support guide wheel mandrels 26 by two deep groove ball bearings 34 respectively, pass through bearing between two deep groove ball bearings 34
Spacer 35 separates.Lower cover 27 is stretched out in the bottom of guide wheel mandrel 26, and electric pushrod 24 is coaxially disposed in the centre bore of guide wheel mandrel 26,
Electric pushrod 24 can move along its axis in the centre bore of guide wheel mandrel 26.Radially add on the periphery of guide wheel mandrel 26
Work has the mounting hole with the insertion of its centre bore, pin 28 is installed in mounting hole, both ends are stretched out after pin 28 passes through electric pushrod 24
Mounting hole, electric pushrod 24 can drive pin 28 in mounting hole in 26 central blind hole interior edge its axis movement of guide wheel mandrel
It is mobile.Spline friction plate 30 and frictional disk 29, spline friction are respectively arranged with the relative end face of guide wheel a41 and guide wheel b42
Piece 30 is integrated by the spline steel plate above it and friction plate riveted below, and frictional disk 29 is wear-resisting steel plate, with guide wheel b42
Gluing is integrated, and spline friction plate 30 is supported on guide wheel mandrel 26 by thrust ball bearing 38.On guide wheel a41 end faces
The top of friction plate 30 be provided with butterfly spring piece 37.Wherein guide wheel a41 is contacted with long tengential belt 3 and in the drive of long tengential belt 3
Lower to be rotated along its own axis, the small tengential belt 5 of first twist is stretched on guide wheel b42.
Under normal operating conditions, guide wheel a41 and guide wheel b42 are in bonding state, i.e. spline friction plate 30 and frictional disk 29
Contact, guide wheel a41 drive guide wheel b42 to rotate by spline friction plate 30.The now long drive guide wheel a41 of tengential belt 3, guide wheel a41 are passed
Dynamic guide wheel b42, guide wheel b42 the transmission small tengential belt 5 of first twist, the small tengential belt 5 of first twist are driven two-for-one twisting spindles 7.When circuit wire detecting device detects
To after Yarn break, broken yarn signal is sent to electric pushrod 24, after electric pushrod 24 receives broken yarn signal, in guide wheel mandrel 26
Centre bore moves up along its axis, so as to drive pin 28 to be moved up in mounting hole, pin 28 move up during by thrust ball axle
Hold 38 promotion spline friction plates 30 to move up, spline friction plate 30 is separated with the frictional disk 29 on guide wheel b42 end faces, i.e. guide wheel
A41 and guide wheel b42 separation, now guide wheel a41 power can not be transmitted to guide wheel b42, guide wheel b42 run out of steam after with three double twistings
Spindle 7 stops operating simultaneously.Now butterfly spring piece 37 is in compressive state.When needing to return to normal operating conditions, open
The dynamic button of electric pushrod 24, electric pushrod 24 down move, and spline friction plate 30 resets in the presence of butterfly spring piece 37, makes
Guide wheel a41 resumes contacts with guide wheel b42, and guide wheel a41 drives guide wheel b42 and two-for-one twisting spindles 7 to rotate again.
The monofilament 8 that three first twist bobbins 6 in same clutch guide wheel transmission mechanism come out is entered by twizzle 9 respectively
One roller drive mechanism 13 (the dual drive capstan winch roller for using application number 200920112825.7) completes plying, forms plying
Yarn 15.Circuit wire detecting device is arranged between first twist transmission device and roller drive mechanism 13, is detected by visiting silk hook 10 from first
Twist with the fingers whether the monofilament 8 that bobbin 6 comes out has fracture of wire.
The retwist transmission device as shown in fig. 6, including：Retwist motor 11, rolling disk axle 12 and several rolling disk drivers
Structure.Retwist motor 11 is used to drive rolling disk axle 12 to rotate, and axially arranged has several rolling disk drivers along its on rolling disk axle 12
Structure.Rolling disk transmission mechanism includes：21, two tensioning wheel B20 of rolling disk, the small tengential belt 19 of retwist and four brake spindles 17.It is described multiple
Transmission device is twisted with the fingers to be used to folded yarn 15 being wrapped in retwist bobbin 16, each clutch guide wheel transmission by the rings of up and down motion
The corresponding retwist bobbin 16 of mechanism.Wherein rolling disk 21 is coaxially fixed on rolling disk axle, and the small tengential belt 19 of retwist is stretched in rolling disk 21
On four brake spindles 17, V belt translation is formed, rolling disk 21 drives four brake spindles 17 to rotate by the small tengential belt 19 of retwist.Stop
Car spindle 17 is using the new brake spindle in Application No. 201320630145.0.Installation one is multiple on each brake spindle 17
Bobbin 16 is twisted with the fingers, spindle 17 drives retwist bobbin 16 to rotate by braking, so as to which the folded yarn 15 for entering retwist bobbin 16 be wound
On retwist bobbin 16.Four brake spindles 17 are arranged as rectangle, and rolling disk 21 is located therein between two brake spindles 17, thus
The cornerite of each brake spindle 17 is set to reach 90 °；The small tengential belt of retwist is tensioned by tensioning wheel B20 respectively in the both sides of rolling disk 21 simultaneously
19。
In summary, preferred embodiment of the present utility model is these are only, is not intended to limit of the present utility model
Protection domain.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc., all should be wrapped
It is contained within the scope of protection of the utility model.
Claims (7)
1. a kind of composite twisting machine, including：First twist transmission device, roller drive mechanism and retwist transmission device；Characterized in that,
The first twist transmission device includes：By two belt pulleys (2) and the annular long tengential belt (3) being driven by two belt pulleys (2)
The main drive gear of composition, the first twist power unit that power is provided for the main drive gear and it is arranged symmetrically in the long tengential belt
(3) the two or more clutch guide wheel transmission mechanism on the outside of；
The clutch guide wheel transmission mechanism includes：Clutch guide wheel (4), the small tengential belt of first twist (5), two or more two-for-one twisting spindles (7) group
Into spindle group；The clutch guide wheel (4) includes：Guide wheel a (41), guide wheel b (42) and for controlling the guide wheel a (41) and leading
Take turns the clutch of b (42) coupled/separated；The guide wheel a (41) contacts and in the band of long tengential belt (3) with the long tengential belt (3)
Rotated under dynamic along its own axis, the annular small tengential belt of first twist (5) is stretched in guide wheel b (42) and spindle group, is formed band and is passed
It is dynamic；Each two-for-one twisting spindles (7) drives a first twist bobbin (6) for being wound with monofilament (8) to rotate；
The monofilament (8) that first twist bobbin (6) in same clutch guide wheel transmission mechanism comes out enters the same roller transmission
Structure (13) completes plying, forms folded yarn (15)；Set between the first twist bobbin (6) and the roller drive mechanism (13)
It is equipped with for detecting whether the monofilament (8) that first twist bobbin (6) comes out has the circuit wire detecting device of fracture of wire；
The retwist transmission device is used to the folded yarn (15) being wrapped in retwist bobbin (16), each clutch guide wheel transmission
The corresponding retwist bobbin (16) of mechanism.
2. composite twisting machine as claimed in claim 1, it is characterised in that for controlling the guide wheel a (41) and guide wheel b (42)
The clutch of coupled/separated includes：Electric pushrod (24), guide wheel mandrel (26), friction component and butterfly spring piece (37)；Institute
State guide wheel a (41) to be coaxial docking with the guide wheel b (42), the guide wheel mandrel (26) is by bearings in the guide wheel a
(41) and in guide wheel b (42) centre bore；Electric pushrod (24) is provided with the centre bore of the guide wheel mandrel (26), it is described
Electric pushrod (24) can move along its axis in guide wheel mandrel (26) centre bore；On the periphery of the guide wheel mandrel (26)
Radially be machined with the mounting hole with the insertion of its centre bore, installation pin (28) in mounting hole, the pin (28) with it is described
Electric pushrod (24) connects, and mounting hole is stretched out at both ends；Set on the relative end face of the guide wheel a (41) and guide wheel b (42)
There is friction component, the friction component is made up of two friction elements, one of friction element and guide wheel a (41) phase
Even, another friction element is connected with the guide wheel b (42).
3. composite twisting machine as claimed in claim 1 or 2, it is characterised in that the retwist transmission device includes：Rolling disk axle
(12), for driving the retwist power unit of rolling disk axle (12) rotation and being axially disposed within the rolling disk axle (12) along it
Two or more rolling disk transmission mechanism；
The rolling disk transmission mechanism includes：Rolling disk (21), the small tengential belt of retwist (19), two or more brake spindle (17) and retwist cylinder
Sub (16)；The rolling disk (21) rotates under the drive of the rolling disk axle (12), and the small tengential belt of retwist (19) is stretched in described
Braked described in rolling disk (21) and two or more on spindle (17), form V belt translation；Each brake spindle (17) drives one
Retwist bobbin (16) rotates, so as to which the folded yarn (15) for entering retwist bobbin (16) is wrapped on retwist bobbin (16).
4. composite twisting machine as claimed in claim 3, it is characterised in that the rolling disk transmission mechanism includes four brake ingots
Sub (17), four described brake spindle (17) rectangular arrangements, the rolling disk (21) be located therein two brake spindles (17) it
Between, the cornerite of each brake spindle (17) is reached 90 °.
5. composite twisting machine as claimed in claim 3, it is characterised in that pass through tensioning respectively in the both sides of the rolling disk (21)
The wheel tensioning small tengential belt of retwist (19).
6. composite twisting machine as claimed in claim 1 or 2, it is characterised in that the long tengential belt (3) is tensioned by two or more
Wheel tensioning.
7. composite twisting machine as claimed in claim 1 or 2, it is characterised in that the spindle in the clutch guide wheel transmission mechanism
Group includes three two-for-one twisting spindles (7), and the guide wheel b (42) and three two-for-one twisting spindles (7) are evenly distributed in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606413.3U CN207091603U (en) | 2017-05-27 | 2017-05-27 | A kind of composite twisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606413.3U CN207091603U (en) | 2017-05-27 | 2017-05-27 | A kind of composite twisting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207091603U true CN207091603U (en) | 2018-03-13 |
Family
ID=61551335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720606413.3U Withdrawn - After Issue CN207091603U (en) | 2017-05-27 | 2017-05-27 | A kind of composite twisting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207091603U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034559A (en) * | 2017-05-27 | 2017-08-11 | 杭州长翼纺织机械有限公司 | A kind of composite twisting machine |
| CN109913988A (en) * | 2019-04-08 | 2019-06-21 | 浙江三禾数字装备有限公司 | A kind of rotary spindle structure of trisection |
| CN112301472A (en) * | 2020-11-23 | 2021-02-02 | 浙江万利纺织机械有限公司 | Two-for-one twister two-section type pneumatic brake device |
-
2017
- 2017-05-27 CN CN201720606413.3U patent/CN207091603U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034559A (en) * | 2017-05-27 | 2017-08-11 | 杭州长翼纺织机械有限公司 | A kind of composite twisting machine |
| CN109913988A (en) * | 2019-04-08 | 2019-06-21 | 浙江三禾数字装备有限公司 | A kind of rotary spindle structure of trisection |
| CN112301472A (en) * | 2020-11-23 | 2021-02-02 | 浙江万利纺织机械有限公司 | Two-for-one twister two-section type pneumatic brake device |
| CN112301472B (en) * | 2020-11-23 | 2024-04-19 | 浙江万利纺织机械有限公司 | Two-for-one twister two-section pneumatic brake device |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20220805 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20220805 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |