CN103374771B - Weaving loom comprising at least one load roller with multiple magnetic regions - Google Patents
Weaving loom comprising at least one load roller with multiple magnetic regions Download PDFInfo
- Publication number
- CN103374771B CN103374771B CN201310133408.1A CN201310133408A CN103374771B CN 103374771 B CN103374771 B CN 103374771B CN 201310133408 A CN201310133408 A CN 201310133408A CN 103374771 B CN103374771 B CN 103374771B
- Authority
- CN
- China
- Prior art keywords
- load roller
- weaving loom
- magnet
- roller
- load
- Prior art date
- 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.)
- Expired - Fee Related
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/46—Loading arrangements
- D01H5/54—Loading arrangements using magnetic arrangements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/22—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The present invention relates to a kind of weaving loom, preferably a kind of drafting system, comprising a leader（1）, the leader（1）The weaving loom or the fibrous composite derived from the weaving loom are imported into for guiding（2）, wherein the leader（1）Contain a support region（3）And at least one load roller（4）, the support region（3）For supporting the fibrous composite（2）, the load roller（4）In weaving loom running, from top to bottom spreading is supported on support region（3）Fibrous composite above（2）, the load roller（4）With two end faces（8）.Present invention proposition, the load roller（4）In two end face（8）There are a magnetic regions respectively, the magnetic regions are by least one magnet（5）Formed.Additionally, the present invention is also to a corresponding load roller（4）It is described.
Description
Technical field
The present invention relates to a kind of weaving loom, preferably a kind of drafting system, comprising a leader, the leader
The weaving loom or the fibrous composite derived from the weaving loom are imported into for guiding, wherein the leader contains
There are a support region and at least one load roller, the support region is used to support the fibrous composite, described negative
Roller is carried in weaving loom running, from top to bottom spreading is supported on the fibrous composite above support region, described negative
Carrying roller has two end faces.
Background technology
It is well known that there is general leader in drafting system, it is generally the case that this leader
Effect is as follows：In the transportation of fibrous composite, guide the fibrous composite enter in drafting system region with/
Or simultaneously effective promote the fibrous composite.Here, the purpose of above-mentioned bootup process is as follows：In fibrous composite
During being released from the spinning machine of upstream, fibrous composite keeps certain tension force, so that fibrous composite
In controllably drafting system is entered into the case of being not dependent on the degree of saturation of spinning machine.In the process of running, roller is loaded
Only lie in the top of support region, and required for being produced by its gravity, the vertical force acted on fibrous composite.
In other words, fibrous composite is passed through from the leader between support region and/or load roller, so as to produce a kind of folder
Tight effect.Because fibrous composite effectively drives through corresponding component in load roller and support region, roller meeting is loaded
Rotation phenomenon is produced, in the case of this rotation, load roller can occur axial skew, thus inevitably cause to bear
Carry the contact and load roller and a neighbouring contact being laterally guided between device between roller.Here, friction will be produced,
This friction to the end face that loads roller may cause long-term infringement and/or cause negative impact to rotating speed.
The content of the invention
It is therefore an object of the present invention to propose a kind of general weaving loom and load roller accordingly, this weaving loom and
Corresponding load roller completely eliminates disadvantages mentioned above.
Above-mentioned task will be reached by a kind of weaving loom and a kind of load roller.
It is preferred according the present invention, that a weaving loom with drafting system possesses at least one load roller, in operation
During, the load roller at least partly lies in the top of support region, and fibrous composite is located at load roller and branch
Hold between region, wherein, the load roller has a magnetic regions respectively in two end face.The magnetic regions are by least one
Individual magnet is formed, and the magnet is fixed in the load roller or on the load roller as follows：Its end face has magnetic
Feature.This end face with magnetic characteristic has the following advantages that：By another magnet, the load roller edge can be avoided
Contact on axial direction.In this regard, another above-mentioned magnet has the magnetic opposite with the magnetic regions of the load roller
Direction.In other words, the load roller will not collide with adjacent load roller or directly contact.More precisely, institute
State load roller has magnetic regions in its end face, and the magnetic regions repel another magnet with respective magnetic direction, and
Thus maintain a certain distance both.When the load roller is in axial direction close to another above-mentioned magnet, all the time
Mutual magnetic repulsion can be produced, and this magnetic repulsion may insure that the load roller and another above-mentioned magnet keep
Certain gap, and load roller is guided in the axial direction thus.It is corresponding when existing in the both sides of the load roller
During other magnet, it is possible to realize the guiding to both sides.It is possible thereby in the case where mechanical is guided, make the load roller
Remain at its position set in advance.
Following scheme is particularly advantageous：The support region is made up of two adjacent bottom rolls, in weaving loom operation
During, the load roller lies in the top of the support region through the fibrous composite.Preferably, rolled under described
Roller is placed in parallel, it is possible to realize its rotary motion by a transmission device（Both two bottom rolls can have been driven, it is also possible to
Drive in two bottom rolls）.Set by the structure of heretofore described load roller, whether exactly described two bottom rolls
Whether it is parallel to each other and is exactly perpendicular to pushing direction, it is unimportant.Even if more precisely, being rolled under described
Roller do not have it is perfectly aligned in the case of, it is described load roller drift and final mutual collision can also be by described above
Magnetic repulsion effectively suppresses.
In addition, following scheme is also advantageous：The weaving loom has multiple load rollers, the multiple load roller relative to
The rotary shaft of the load roller is in axial direction placed adjacent to each other, in addition, following scheme is also advantageous：With the magnetic
Two adjacent end faces of region possess opposite magnetic direction, and described two end faces are belonging respectively to two adjacent load rollers.Change
For it, by selecting the magnetic direction of used magnet, the relative end face of adjacent load roller can be made mutually exclusive.
Additionally, following scheme is favourable：The load roller by closely, be adjacent to placement, and described in adjacent two
Without intermediate bearing between load roller.I.e. when the load roller is equipped with magnet as described above（Certainly, as an alternative,
The magnetic regions can also be realized by carrying out corresponding magnetization treatment to the load roller, in this case, described
Load roller can be a unitary members）, it is mutually exclusive between the load roller, therefore, in this way it is no longer necessary to one is vertically
The mechanical type bearing in direction.More precisely, in this case, the load roller only exists direct in vertical direction
Contact, i.e., with the support region being placed on below the load roller, for example, the support region can be by having retouched above
The bottom roll stated is constituted.So, in the case of corresponding power consumption, the load roller can be mutual by the end face
Contact, because being not equipped with other components between the end face.
Following scheme is also advantageous：The magnet of each load roller has opposite magnetic direction.Therefore, each load
Roller all magnet with two sides is highly profitable, wherein, the magnetic direction of the magnet is selected by following scheme：
Outside two lateral parts of the magnet are all magnetic north（As an alternative, two parts are all magnetic south）.
In this case, the load roller can not be upside down placed on the support region back and forth.More precisely, all loads
It is all mutually exclusive between all end faces of roller.Certainly, as an alternative, it is also possible to consider following scheme：Each load roller
Magnet all has same magnetic direction.
Following scheme is also extremely advantageous：The load roller has a hole in its side, the magnet coordinated with shape and/or
The mode of person's power cooperation is fixed in the hole.Here, it is preferable that, the magnet has a kind of cylinder form, wherein,
Rotary shaft of the end face perpendicular to the load roller.Specifically, the surface of each facing external of magnet face with it is described
The corresponding end face of roller is loaded, these, it is preferred to, the load roller is placed with one heart with the magnet.This
In the case of, it is possible to use relatively small magnet so that installation process becomes quick and reliable, i.e., described magnet with it is described
Connection between load roller becomes quick and reliable.
In addition, following scheme is favourable：The load roller has the end face of conical butt.The advantage is that：Each
Load roller and adjacent load roller is adjacent when being laterally guided device and touching, and touch area is relatively small.So, institute
The frictional force of generation also can be relatively light.Although it is described load roller between or it is described load roller be laterally guided device with adjacent
Between there is mutual magnetic repulsion, can not completely exclude both and the possibility of corresponding contact occur, wherein, by above-mentioned
Structure to the end face sets, and can reduce above-mentioned unfavorable result as far as possible.
In addition, following scheme is favourable：The top surface of the end face is made up of a magnet respectively.In this case,
The magnet stretches out from the end face, such that it is able to make two adjacent load rollers or a load roller lateral with adjacent
Repulsion between guide is maintained at a maximum.
Following scheme is favourable：The weaving loom has at least two to be laterally guided device, and this is laterally guided device use
In in axial direction guiding the load roller.Thus it can be prevented that the load roller is removed from the bearing-surface.For example, the side
There can be arresting stop of the load roller adjacent relative to each in low friction to guide, it is preferred that described
Device is laterally guided to be connected on machine frame or be connected on a frame unit being connected with machine frame.
Following scheme is also extremely advantageous：Have for leading on the direction that device is laterally guided along the load roller
To magnet, in this way, each load roller its both sides all without occur axial direction on touch.Therefore, it is overall
Arrangement mode is as follows：Two are laterally guided device, and one to any number of load roller is laterally guided between device positioned at two.
Preferably, a magnet of the magnet for being laterally guided device respectively with a load roller is adjacent, wherein described laterally draw
Lead device magnet magnetic direction respectively with one load roller adjacent magnet magnetic direction it is opposite.
Similarly, following scheme is favourable：The load roller has a mark, and the mark can show the load
The magnetic direction of at least one magnet on roller.In such a case, it is possible to ensure quickly and accurately in axial direction to assemble with
And change the load roller.Certainly, when the end face of the load roller has an opposite magnetic direction, this mark respectively
Knowledge just there is no need, because in this case it is impossible to by described load roller assembly defect（If setup error, own
End face will be mutually exclusive）.
In sum, the load roller of the invention has one and is formed by a magnet respectively in the region of its end face
Magnetic regions.Here, the load roller can both have the magnet being placed between end face, it is possible to have two points
Wei Yu not two independent magnet of the end face.Here, for single magnet, they can possess an identical
Magnetic direction, it is also possible to possess an opposite magnetic direction.On each advantage, the description in above and below is refer to.
Brief description of the drawings
Other advantages of the invention are conducted further description with reference to specific embodiment hereafter.
Fig. 1 is a kind of entrance area top view of weaving loom of the present invention.
Fig. 2 is the side sectional view of A-A ' along region shown in Fig. 1.
Fig. 3 is two perspective views of present invention load roller.
Fig. 4 is two partial sectional views of present invention load roller.
Reference table
1 leader
2 fibrous composites
3 support regions
4 load rollers
5 magnet
6 bottom rolls
7 holes
8 end faces
9 top surfaces
10 are laterally guided device
11 marks
12 rake arrays
13 funnels
14 input calendering rollers pair
15 Lacertus guide apparatus
16 fibre bundles.
Specific embodiment
Firstly the need of pointing out, in superincumbent some figures, multiple same parts or object are had（For example load roller
4）, in order to ensure a good visuality, in these figures, simply part is provided one in multiple same parts or object
Individual reference.
Fig. 1 is a kind of entrance area top view of the weaving loom that form of the invention is drafting system.Entered by drafting system
The fibrous composite 2 of row combing（Fibrous composite 2 is made up of 8 fibre bundles 16 in this example）Come from (not shown)
Spinning machine（The left side of part shown in the figure is placed in this example）, the fibrous composite 2 first passes around a rake
Array 12, the rake array 12 makes above-mentioned fibre bundle 16 mutually maintain a certain distance.
Then, fibre bundle 16 enters a leader 1, and the leader 1 is used to support fiber composite material containing one
The support region 3 of material 2 and four and the load roller of the cooperating of support region 3（Or referred to as control roller）.Each load roller 4
Guide two beams in eight bundle fiber beams 16 respectively between the bottom roll 6 being positioned over below load roller 4.In guiding fibre bundle 16
Simultaneously（The operation can ensure that fibrous composite 2 has certain tension force）, in order to ensure fibrous composite 2 is transported to leading
Stretch the direction of device（Drafting system is located at the right in the region shown in Fig. 1）, it is generally the case that set by following scheme
Put：One（In the case where being necessary, or two）Bottom roll 6 is driven by a transmission device (not shown).
After the fibre bundle 16 of fibrous composite 2 passes through leader 1, immediately into a region for funnel 13, the leakage
Bucket 13 converges to together above-mentioned fibre bundle 16.After funnel 13, a Lacertus guide apparatus 15 can be again placed, had
In the case of necessary, the Lacertus guide apparatus 15 can also have one to be used to measure the defined of fibrous composite 2
Physical parameter（Density, thickness, proportion etc.）Sensor so that on the basis of these parameters, realize to follow-up by leading
The drawing-off treatment for stretching device completion is adjusted.Under normal circumstances, be finally a powered input milling roller to 14, should
Input milling roller is stably directed into drafting system to 14 guarantee fibrous composites 2.
In the prior art, load roller 4 in the axial direction by two be placed on load roller side be laterally guided dress
10 are put to realize guiding function（Refer to Fig. 1）.However, the realization of the guiding function is set up between the end face 8 of load roller 4
Contact with each other and be laterally guided the base of the directly contact between the end face 8 of device 10 and adjacent externally-located load roller 4
On plinth.
Under normal circumstances, the transmission direction of bottom roll 6 and desired fibrous composite 2（As in Fig. 1 and 2：From a left side to
It is right）Be not completely it is vertical, this will cause one act on load roller 4 on, be laterally guided in device 10 along two
The force component in the direction of.In the case that the rotary speed of single load roller 4 is different from each other（For example by fiber answer
The different thickness change of condensation material 2 and cause）, will result between load roller 4 and be laterally guided device 10 and corresponding phase
Phase mutual friction between neighbour's load roller 4.
In order to overcome disadvantages mentioned above, the present invention to propose：Each load roller 4 has a magnetic regions in two end face 8,
The magnetic regions are formed by least one magnet 5.Here, it is preferable that, magnet 5 is embedded into the corresponding of the end face 8 of load roller 4
In hole 7, wherein fixation between the two is coordinated with shape（For example by pasting）And/or the mode of power cooperation is realized.
Load roller 4 is placed into the top of bottom roll 6 as follows：Two relative end faces 8 have opposite magnetic
Direction, two of which end face 8 is belonging respectively to two adjacent load rollers 4（Born towards respective adjacent i.e. two arctic of magnet 5
Carry roller 4 or two South Pole of magnet 5 towards each adjacent load roller 4）, at this moment adjacent load roller 4 will be mutually exclusive.When
Two when being laterally guided device 10 and being also equipped with the magnet 5 in respective magnetic direction, be laterally guided device 10 and be placed adjacent it is negative
Carrying roller also can be mutually exclusive.The slightly more than all load rollers 4 of the distance between device 10 are laterally guided when two total along its
During the expansion spatially of rotary shaft, it is possible between roller 4 is loaded or load roller and do not send out between being laterally guided device 10
On the premise of raw contact, the guiding to loading roller 4 is realized.It is possible thereby to avoid abrasion or each other to the shadow of rotary speed
Ring.
In order to realize the quick-replaceable to loading roller 4, load roller 4 can be provided with a mark 11, and the mark is optional aobvious
Show the direction of each magnet 5.For example, as shown in figure 3, load roller 4 its side black inscription tape label out, its arctic court
Outward.This being marked in following scheme is particularly advantageous：Load roller 4 only has a single magnet, because at this
In the case of kind, certainly, an end face has magnetic north, and another end face has magnetic south.
However, when an independent magnet 5 is embedded with each end face 8（As shown in Figure 4）, this mark just there is no need
.Therefore, in this case, following scheme is favourable：Magnet 5 has a magnetic direction respectively, wherein all magnet 5
Identical magnetic polarity is outside.For example, as shown in figure 4, magnet 5 for not cutting off, white represents the South Pole of magnet 5, black
Color table shows the arctic of magnet 5.In this way, it is then not possible to by the described assembly defect of load roller 4, if setup error, institute
Some end faces 8 will be mutually exclusive.
Additionally, following scheme is highly profitable：Corresponding magnet 5 is also fitted with to be laterally guided device 10, wherein in group
When dress loads roller 4 as shown in Figure 4, the South Pole of the magnet 5 should point to load roller 4.
Finally, Fig. 4 shows that a kind of particularly advantageous structure of the end face 8 of load roller 4 sets：It is short in order to occur in load roller 4
In time contact process, contact area each other is reduced as far as possible, load roller 4 has the end face of frusto-conical.Its
In, it is preferred that top surface 9 can be made up of each magnet 5 towards outside surface.
Additionally, this invention is not limited to described embodiment.Conversely, of the invention pair likes described single features
All combinations, just as claims, the content of the invention and brief description of the drawings in it is shown and describe feature and its
It is technically feasible, and suitable one corresponding combination is such.
Claims (9)
1. a kind of weaving loom, comprising a leader（1）, the leader（1）For guide be imported into the weaving loom or
Person's fibrous composite derived from the weaving loom（2）, wherein the leader（1）Comprising a support region（3）With
And at least one load roller（4）, the support region（3）For supporting the fibrous composite（2）, the load roller（4）
In weaving loom running, from top to bottom spreading is supported on support region（3）Fibrous composite above（2）, it is described
Load roller（4）With two end faces（8）, it is characterised in that the load roller（4）In two end face（8）There is one respectively
Magnetic regions, the magnetic regions are formed by least one magnet；The weaving loom has at least two to be laterally guided device（10）,
This is laterally guided device（10）For in axial direction guiding the load roller（4）；It is described to be laterally guided device（10）Along described
Load roller（4）Direction on have for be oriented to magnet, wherein described be laterally guided device（10）Magnet respectively with one
Load roller（4）A magnet it is adjacent, and described be laterally guided device（10）Magnet magnetic direction respectively with one load
Roller（4）Adjacent magnet magnetic direction it is opposite.
2. weaving loom as claimed in claim 1, it is characterised in that the support region（3）By two adjacent bottom rolls（6）
Constitute, in weaving loom running, the load roller（4）Lie in the support region（3）Top, and the fiber
Composite（2）Positioned at the load roller（4）And the support region between.
3. the weaving loom as any one of claim 1 to 2, it is characterised in that the weaving loom has multiple load rollers
（4）, the multiple load roller（4）Relative to the load roller（4）Rotary shaft in axial direction place adjacent to each other, wherein
Two end faces adjacent with the magnetic regions（8）Possess opposite magnetic direction, described two end faces（8）It is belonging respectively to two
Adjacent load roller（4）.
4. the weaving loom as any one of claim 1 to 2, it is characterised in that the load roller（4）With two independences
, be placed in the end face（8）Magnet, wherein described two magnet have opposite magnetic direction.
5. the weaving loom as any one of claim 1 to 2, it is characterised in that the load roller（4）Have in its side
Hole（7）, the load roller（4）Magnet by shape coordinate and/or power cooperation in the way of be fixed on the hole（7）It is interior.
6. the weaving loom as any one of claim 1 to 2, it is characterised in that the load roller（4）With frustum of a cone
The end face of shape（8）.
7. the weaving loom as any one of claim 1 to 2, it is characterised in that the end face（8）Top surface（9）Respectively
It is made up of a magnet.
8. the weaving loom as any one of claim 1 to 2, it is characterised in that the load roller（4）With a mark
（11）, the mark（11）The load roller can be shown（4）The magnetic direction of upper at least one magnet.
9. weaving loom as claimed in claim 1, it is characterised in that the weaving loom is a kind of drafting system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210103610 DE102012103610A1 (en) | 2012-04-25 | 2012-04-25 | Textile machine i.e. lining machine, has loading roller including two frustum-shaped front sides and upwardly pressing fiber bundle opposite to supporting region in region of loading roller, and magnetic region formed by separate magnet |
| DE102012103610.1 | 2012-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103374771A CN103374771A (en) | 2013-10-30 |
| CN103374771B true CN103374771B (en) | 2017-06-23 |
Family
ID=49323109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310133408.1A Expired - Fee Related CN103374771B (en) | 2012-04-25 | 2013-04-17 | Weaving loom comprising at least one load roller with multiple magnetic regions |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103374771B (en) |
| DE (1) | DE102012103610A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1115625B (en) * | 1958-12-06 | 1961-10-19 | Skf Kugellagerfabriken Gmbh | Drafting system for spinning machines |
| US3029479A (en) * | 1960-10-06 | 1962-04-17 | Saco Lowell Shops | Drafting mechanism |
| CH404486A (en) * | 1959-07-20 | 1965-12-15 | Maremont Corp | Pair of rollers for acting on fiber material |
| CN1856601A (en) * | 2003-09-24 | 2006-11-01 | 里特机械公司 | Drafting arrangement for spinning machines |
| CN1912206A (en) * | 2005-08-10 | 2007-02-14 | 里特机械公司 | Guiding mechanism for lower leather ring of traction device |
| CN101109117A (en) * | 2005-08-23 | 2008-01-23 | 日照裕鑫动力有限公司 | Three-roller mechanical type compact spinning drafting system |
| CN101310052A (en) * | 2005-11-15 | 2008-11-19 | 欧瑞康纺织有限及两合公司 | Ring spinning frame comprising drawing systems |
| CN102373519A (en) * | 2010-08-11 | 2012-03-14 | 立达英格尔施塔特有限公司 | Spinning units and working steps of spinning machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3150419A (en) * | 1962-09-28 | 1964-09-29 | Maremont Corp | Magnetically weighted pressure rolls |
-
2012
- 2012-04-25 DE DE201210103610 patent/DE102012103610A1/en not_active Withdrawn
-
2013
- 2013-04-17 CN CN201310133408.1A patent/CN103374771B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1115625B (en) * | 1958-12-06 | 1961-10-19 | Skf Kugellagerfabriken Gmbh | Drafting system for spinning machines |
| CH404486A (en) * | 1959-07-20 | 1965-12-15 | Maremont Corp | Pair of rollers for acting on fiber material |
| US3029479A (en) * | 1960-10-06 | 1962-04-17 | Saco Lowell Shops | Drafting mechanism |
| CN1856601A (en) * | 2003-09-24 | 2006-11-01 | 里特机械公司 | Drafting arrangement for spinning machines |
| CN1912206A (en) * | 2005-08-10 | 2007-02-14 | 里特机械公司 | Guiding mechanism for lower leather ring of traction device |
| CN101109117A (en) * | 2005-08-23 | 2008-01-23 | 日照裕鑫动力有限公司 | Three-roller mechanical type compact spinning drafting system |
| CN101310052A (en) * | 2005-11-15 | 2008-11-19 | 欧瑞康纺织有限及两合公司 | Ring spinning frame comprising drawing systems |
| CN102373519A (en) * | 2010-08-11 | 2012-03-14 | 立达英格尔施塔特有限公司 | Spinning units and working steps of spinning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103374771A (en) | 2013-10-30 |
| DE102012103610A1 (en) | 2013-10-31 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170623 Termination date: 20190417 |