CN105082524A - Roller-surface treating method and roller with modified surface - Google Patents
Roller-surface treating method and roller with modified surface Download PDFInfo
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- CN105082524A CN105082524A CN201510487313.9A CN201510487313A CN105082524A CN 105082524 A CN105082524 A CN 105082524A CN 201510487313 A CN201510487313 A CN 201510487313A CN 105082524 A CN105082524 A CN 105082524A
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- roller
- elastic layer
- processing device
- surface processing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/02—Bearings
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The invention relates to a roller-surface treating method. The roller-surface treating method comprises the following steps: performing radial compression on a roller in a peripheral direction, heating the roller, wherein the roller comprises a shaft part and an elastic layer wrapping the periphery of the shaft part, and obtaining a roller with a modified surface. According to the roller-surface treating method, radial compression is performed on the roller in the peripheral direction, so that the elastic layer generates compressive deformation; hot treatment is performed on the compressed roller, so that a hot melting layer is formed on the surface of the elastic layer; therefore, the compressive deformation is fixed. According to the roller with a modified surface, the hot melting layer is formed on the surface of the elastic layer, so that the roller is smooth and does not fluff; therefore, through the adoption of the roller-surface treating method, the roller can obtain a specified size through deformation, and the upward straightness of the roller and the planeness of the roller can also be guaranteed. In addition, because the hot melting layer is formed on the surface of the roller with a modified surface, the hardness of the roller is improved. The invention further provides the roller with a modified surface.
Description
Technical field
The present invention relates to the preparation field of roller, particularly relate to the roller of a kind of roller surface treatment method and surface modification.
Background technology
In the electronic imaging device systems such as such as duplicator, printer or facsimile machine, need the rollers such as the delivery roll using the supply powder feeding roller of carbon dust, the clearer of cleaning member and play transmitting effect, these rollers are referred to as OA (OfficeAutomation) sponge roller, and OA sponge roller is by as the metal cylinder in axle portion and forming as the foaming bodies such as polyurethane foaming body are wrapped in metal cylinder periphery as elastic layer.
The manufacture method of current OA sponge roller mainly contains following several.First method is applied to by adhesive etc. on as hollow in material systems such as metals or the solid shafting in axle portion as required, and elastic layer is bonding and be fixed on the periphery in axle portion; The methods such as grinding, grinding or cutting are then adopted to make elastic layer reach the cylindrical roller of given size.Second method is similar to first method, and difference is, utilizes the processing methods such as hot line to substitute grinding, grinding or cutting and elastic layer is processed into the cylindrical roller with desired size.The third method is die cavity axle portion being placed in mould, and inject the material such as rubber or resin, then cooling and shaping, die sinking directly obtains the cylindrical roller of desired size.
But the manufacture method of above-mentioned OA sponge roller has the following disadvantages.First method Elastic layer carries out handling ease through grinding, grinding or cutting and causes elastic layer to fluff on the surface.Second method Elastic layer utilizes hot line to process, and is difficult to process equably the periphery of OA sponge roller on the one hand, on the other hand, adopts hot line easily to produce the problem that elastic layer hardens or foam hole breaks.Being processed by injection moulding in the third method, needing mould that cost is uprised on the one hand because manufacturing, the foamed state on the other hand in mould is difficult to adjustment, and the surface of OA sponge roller is difficult to evenly.
Summary of the invention
Based on this, be necessary to provide a kind of and can not fluff, can not occur the roller of elastic layer sclerosis or foam hole breaks, cost is low roller surface treatment method and surface modification.
A kind of roller surface treatment method, comprises the following steps: pair roller circumferentially carries out radial compression, and pair roller is heat-treated, and wherein said roller comprises axle portion and is wrapped in the elastic layer of periphery, axle portion, obtains the roller of surface modification.
Above-mentioned roller surface treatment method, pair roller circumferentially carries out radial compression makes elastic layer generation compression, pair roller is heat-treated and is made the surface of elastic layer form hot melt layer to make strain compression fixing, the roller of surface modification is level and smooth and phozy because elastic layer surface forms hot melt layer, therefore above-mentioned roller surface treatment method both can make roller pass through to be out of shape the size reaching regulation, can ensure again roll shaft linearity upwards and flatness.In addition, the roller surface of surface modification forms hot melt layer and can improve hardness.
Wherein in an embodiment, described roller to be compressed and heat treatment all adopts surface processing device, described surface processing device is cylinder, described roller and described surface processing device be arranged in parallel, described surface processing device the described axle portion of relatively described roller can move radially and keep the cross section of described roller and described surface processing device tangent, and in described roller and described surface processing device, at least one can rotate around the axis of described roller.
Wherein in an embodiment, described roller surface treatment method also comprises step: pair roller circumferentially carries out in radial compression and heat treated process, the described axle portion of the relatively described roller of described surface processing device moves radially when reaching predeterminable range value and stops, and described roller and/or described surface processing device keep rotating around the axis of described roller.
Wherein in an embodiment, described surface processing device can rotate along the periphery wall of described roller.
Wherein in an embodiment, multiple described surface processing device is adopted to compress and heat treatment described roller.
Wherein in an embodiment, described heat treated temperature is the temperature that the described elastic layer of described roller occurs to melt.
Wherein in an embodiment, the described elastic layer of described roller is rubber or the resin with foam hole.
A roller for surface modification, comprise axle portion and the elastic layer being wrapped in periphery, described axle portion, described elastic layer comprises hot melt layer and elastic layer internal layer, and wherein said hot melt layer is positioned at the surface of described elastic layer.
Wherein in an embodiment, the elasticity of described elastic layer internal layer is constant.
Wherein in an embodiment, described elastic layer internal layer is partially cured or solidify completely.
Accompanying drawing explanation
Fig. 1 is operation chart and the apparatus structure schematic diagram of the roller surface treatment method of an embodiment;
The structural representation that Fig. 2 is the operation chart shown in Fig. 1 and apparatus structure schematic diagram another side;
Fig. 3 is the structural representation of the roller of the surface modification of an embodiment.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
With reference to Fig. 1, the roller surface treatment method of one embodiment, comprise the following steps: pair roller 100 circumferentially carries out radial compression, and pair roller is heat-treated, its central roll 100 comprises axle portion 110 and is wrapped in the elastic layer 120 of periphery, axle portion 110, obtains the roller 101 (see Fig. 3) of surface modification.
Above-mentioned roller surface treatment method, pair roller 100 circumferentially carries out radial compression makes elastic layer 120 that compression occur, pair roller 100 is heat-treated and is made the surface of elastic layer 120 form hot melt layer 121 to make strain compression fixing, the roller 101 of surface modification is level and smooth and phozy because elastic layer 120 surface forms hot melt layer 121, therefore above-mentioned roller surface treatment method both can make roller 100 reach the size of regulation by distortion, can ensure again roller 100 linearity axially and flatness.In addition, roller 101 surface of surface modification forms hot melt layer 121 (see Fig. 3) and can improve hardness.
Wherein in an embodiment, roller 100 is OA roller.
Continue to see figures.1.and.2, wherein in an embodiment, pair roller 100 carries out compression and heat treatment adopts surface processing device 200, surface processing device 200 is cylinder, roller 100 and surface processing device 200 be arranged in parallel, surface processing device 200 can the axle portion 110 of opposed roller 100 to move radially and the cross section of maintaining roller 100 and surface processing device 200 is tangent, and in roller 100 and surface processing device 200, at least one can rotate around the axis of roller 100.Above-mentioned roller surface treatment method, the tangent i.e. axially linear contact lay of roller 100 and surface processing device 200 cross section, surface processing device 200 pair roller 100 carries out in compression and heat treated process, not only in roller 100 and surface processing device 200 at least one can around the axis of roller 100 rotate with the compression that roller 100 is subject to and heat treatment even, and surface processing device 200 can the axle portion 110 of opposed roller 100 to move radially and maintaining roller 100 is tangent with the cross section of surface processing device 200 thus make surface processing device 200 can contact and carry out further compressing and heat treatment with the elastic layer 120 of pair roller 100 along with elastic layer 120 is out of shape retention wire.In addition, elastic layer 120 thermal conductivity factor little (for 20-30mw/mK) heat transfer is slower, thus the foam hole compression diametrically on elastic layer 120 surface melted by heat forms hot melt layer 121, the foam hole on elastic layer 120 surface fuses, the quantity of foam hole reduces, elastic layer surface elasticity declines, and hardness improves.
Wherein, the roller 101 of surface modification is compared with the above-mentioned roller surface treatment method of employing roller 100 before treatment, roller radius there occurs change, and the elastic layer 120 of the roller 101 of surface modification surface forms hot melt layer 121, roller 101 radius change of the surface modification adopting the process of roller surface treatment method to obtain comprises dimensional deformation amount L and internal modification amount D, as shown in Figure 3.Wherein, dimensional deformation amount L is the difference of the roller radius of process preliminary roller radius and surface modification, and internal modification amount D is the thickness of the hot melt layer 121 on elastic layer 120 surface.
Preferably, dimensional deformation amount L is 1-2mm.Preferably, internal modification amount D is 0.5-1mm.Be appreciated that dimensional deformation amount L and internal modification amount D is not limited to this scope.
Wherein in an embodiment, the concrete steps adopting surface processing device 200 pair roller 100 to heat-treat are: effects on surface treating apparatus 200 carries out electrical heating, and surface processing device 200 transfers heat to roller 100 thus pair roller 100 is heat-treated.
Wherein in an embodiment, improve heat treated temperature or extend the heat treated time, the dimensional deformation amount of roller 100 and internal modification amount can be made all to increase.Because elastic layer 120 is macromolecular material, time temperature equivalence principle is followed in the distortion of its hot melt, and namely heat time and heating-up temperature can produce the impact of equivalence on it.
Wherein in an embodiment, the axle portion 110 of surface processing device 200 opposed roller 100 moves radially and the elastic layer 120 of pair roller 100 carries out compression simultaneously and the heat treated time is 1.0-2.8min.
Wherein in an embodiment, pair roller 100 circumferentially carries out in radial compression and heat treated process, the axle portion 110 of surface processing device 200 opposed roller 100 moves radially when reaching predeterminable range value and stops, roller 100 and/or surface processing device 200 keep rotating around the axis of roller 100, the elastic layer 120 of surface processing device 200 pair roller 100 proceeds heat treatment, forms thicker hot melt layer 121 thus make compression better fix or make the hardness on roller 100 surface larger to make the surface of elastic layer 120.
Wherein in an embodiment, the axle portion 110 of surface processing device 200 opposed roller 100 moves radially and accurately controls by computer system.
Wherein, predeterminable range value can pre-set.In the present embodiment, predeterminable range value can be determined according to the dimensional deformation amount L of the roller 101 of the surface modification expected.Preferably, predeterminable range value is the dimensional deformation amount L of the roller 101 of the surface modification expected.Be appreciated that, in the roller surface treatment process of reality, the actual dimensional deformation amount L of the roller 101 of the surface modification obtained and preset value have the deviation of certain limit, this is because the rebound amount of the thickness meeting influence elastane layer 120 of the hot melt layer 121 of the elastic layer 120 surface formation of the roller 101 of surface modification, the thickness of hot melt layer 121 is thicker, the rebound amount of elastic layer 120 is less, and vice versa.
Wherein, in roller 100 and surface processing device 200, at least one can rotate around the axis of roller 100, comprises three kinds of situations: roller 100 rotates (i.e. roller 100 rotation) around the axis of roller 100; Surface processing device 200 rotates (namely surface processing device 200 revolves round the sun around roller 100) around the axis of roller 100; And roller 100 surface processing device 200 around the axis of roller 100 rotates while rotates around the axis of roller 100.
Wherein in an embodiment, surface processing device 200 can opposed roller 100 axis rotate, concrete: surface processing device 200 can along roller 100 periphery wall rotate to realize homogeneous compaction and even heat treatment.
Wherein in an embodiment, the rotating speed of control roll 100 or surface processing device 200 regulates thickness and the formation speed of the surface heat crucible zone 121 of surperficial modified roller 101.The rotating speed of roller 100 and/or surface processing device 200 is larger, and internal modification amount D is larger.The rotating speed of roller 100 and/or surface processing device 200 is less, and internal modification amount D is less.
Wherein in an embodiment, the rotating speed of roller 100 or surface processing device 200 is 10rpm (turning per minute).
Wherein in an embodiment, multiple surface processing device 200 pair roller 100 is adopted to carry out compressing and heat treatment.Preferably, multiple surface processing device 200 is evenly distributed on the periphery of roller 100.
Above-mentioned roller surface treatment method is applicable to the roller 100 processing different length and differential roller footpath.Preferably, the length of surface processing device 200 should be more than or equal to the length of handled roller 100, and the compression be subject to make roller 100 and heat treatment are uniform in the axial direction.
Wherein in an embodiment, the roller diameter of the roller 100 of above-mentioned roller surface treatment method process is 14.0-15.2mm.
Wherein in an embodiment, axle portion 110 can be hollow or solid shafting.Wherein in an embodiment, axle portion 110 is metal cylinder.
Preferably, heat treated temperature is the temperature that the elastic layer 120 of roller 100 occurs to melt, and compresses fusing diametrically form hot melt layer 121 to make the foam hole on elastic layer surface.Preferably, the heat treatment temperature of polyurethane (full name is polyurethanes) is 190 ± 10 DEG C.
Wherein in an embodiment, elastic layer 120 can be the elastic layer 120 such as rubber or resin with foam hole.Preferably, elastic layer 120 can be the material such as polyesters, polyethers with foam hole.Wherein, in the present embodiment, preferably, elastic layer 120 is polyurethane.Be appreciated that the material of elastic layer 120 is not limited to this.
Wherein in an embodiment, the elastic layer 120 of the roller 101 of surface modification comprises hot melt layer 121 and elastic layer internal layer 122, and elastic layer 120 surface forms hot melt layer 121, and the elasticity of elastic layer internal layer 122 is constant.This is because elastic layer internal layer 122 be out of shape by compression but be heated deficiency time, external force just recoils to original position after removing, and the quantity of its foam hole remains unchanged, and elastic layer internal layer 122 elasticity is constant.Roller 101 superior performance of this surface modification, can meet the needs of roller for elastic performance, can ensure certain hardness again.
Be appreciated that in another embodiment, elastic layer 120 surface of the roller 101 of surface modification forms hot melt layer 121, and elastic layer internal layer 122 heat-fused portion solidification also occurs or solidifies completely.By improving heat treated temperature, extending the rotating speed of heat treated time or raising roller and/or surface processing device 200, elastic layer internal layer 122 is made also to deform or be badly deformed, thus make the elastic layer 120 of roller 100 partially cured or solidify completely, thus obtain the larger roller of hardness 100, be applicable to the roller 100 larger to changing firmness requirements.
Wherein in an embodiment, after pair roller 100 carries out compression and heat treatment, also comprise step: pair roller 100 carries out microwave treatment and/or coating processing as required.Above-mentioned roller surface treatment method can as required with other roller processing mode Multiple Combination.
Continue with reference to Fig. 3, the performance change of the roller 101 of surface modification is except representing with dimensional deformation amount L and internal modification amount D, the also compression degree of the roller 101 of available compression density meter presentation surface modification, thickness × 100% of pressed density=(dimensional deformation amount L+ internal modification amount D)/process Bowman's layer 120.Wherein, the thickness processing Bowman's layer 120 is the difference of roller radius before treatment and axle portion 110 radius.
Wherein in an embodiment, the pressed density of the roller 101 of surface modification is 30%-40%.
With reference to Fig. 3, the roller 101 of the surface modification of an embodiment, adopts above-mentioned roller surface treatment method to prepare.The roller 101 of above-mentioned surface modification comprises axle portion 110 and is wrapped in the elastic layer 120 of periphery, axle portion 110, and elastic layer 120 comprises hot melt layer 121 and elastic layer internal layer 122, and wherein hot melt layer 121 is positioned at the surface of elastic layer 120.
The roller 101 of above-mentioned surface modification, due to elastic layer 120 surface, to form hot melt layer 121 level and smooth and phozy, and roller 100 both can have been made to reach the size of regulation by distortion, can ensure again roller 100 linearity axially and flatness.In addition, the hot melt layer 121 on roller 101 surface of surface modification can improve hardness.
Wherein in an embodiment, the elasticity of elastic layer internal layer 122 is constant.
Wherein in an embodiment, elastic layer internal layer 122 generating portion is solidified or is solidified completely.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a roller surface treatment method, is characterized in that, comprises the following steps: pair roller circumferentially carries out radial compression, and pair roller is heat-treated, and wherein said roller comprises axle portion and is wrapped in the elastic layer of periphery, axle portion, obtains the roller of surface modification.
2. roller surface treatment method according to claim 1, it is characterized in that, described roller to be compressed and heat treatment all adopts surface processing device, described surface processing device is cylinder, described roller and described surface processing device be arranged in parallel, described surface processing device the described axle portion of relatively described roller can move radially and keep the cross section of described roller and described surface processing device tangent, and in described roller and described surface processing device, at least one can rotate around the axis of described roller.
3. roller surface treatment method according to claim 2, it is characterized in that, pair roller circumferentially carries out in radial compression and heat treated process, the described axle portion of the relatively described roller of described surface processing device moves radially when reaching predeterminable range value and stops, and described roller and/or described surface processing device keep rotating around the axis of described roller.
4. roller surface treatment method according to claim 2, is characterized in that, described surface processing device can rotate along the periphery wall of described roller.
5. roller surface treatment method according to claim 2, is characterized in that, adopts multiple described surface processing device to compress and heat treatment described roller.
6. roller surface treatment method according to claim 1, is characterized in that, described heat treated temperature is the temperature that the described elastic layer of described roller occurs to melt.
7. roller surface treatment method according to claim 1, is characterized in that, the described elastic layer of described roller is rubber or the resin with foam hole.
8. a roller for surface modification, is characterized in that, comprise axle portion and the elastic layer being wrapped in periphery, described axle portion, described elastic layer comprises hot melt layer and elastic layer internal layer, and wherein said hot melt layer is positioned at the surface of described elastic layer internal layer.
9. the roller of surface modification according to claim 8, is characterized in that, the elasticity of described elastic layer internal layer is constant.
10. the roller of surface modification according to claim 8, is characterized in that, described elastic layer internal layer is partially cured or solidify completely.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487313.9A CN105082524B (en) | 2015-08-10 | 2015-08-10 | The roller that roller surface processing method and surface are modified |
| PCT/CN2015/088809 WO2017024643A1 (en) | 2015-08-10 | 2015-09-02 | Roller-surface treating method and surface-modified roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487313.9A CN105082524B (en) | 2015-08-10 | 2015-08-10 | The roller that roller surface processing method and surface are modified |
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| Publication Number | Publication Date |
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| CN105082524A true CN105082524A (en) | 2015-11-25 |
| CN105082524B CN105082524B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510487313.9A Active CN105082524B (en) | 2015-08-10 | 2015-08-10 | The roller that roller surface processing method and surface are modified |
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| CN (1) | CN105082524B (en) |
| WO (1) | WO2017024643A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711116A (en) * | 2016-03-16 | 2016-06-29 | 苏州市创怡盛实业有限公司 | Internal compression method of sponge roller |
| CN109680441A (en) * | 2019-01-09 | 2019-04-26 | 常州新光印染有限公司 | Adjustable expansion roller under liquid |
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| CN1591217A (en) * | 2003-08-29 | 2005-03-09 | 佳能株式会社 | Roller member, and process for its manufacture |
| JP2006162713A (en) * | 2004-12-03 | 2006-06-22 | Bridgestone Corp | Pattern forming method of conductive roller |
| CN104736616A (en) * | 2013-03-29 | 2015-06-24 | 住友理工株式会社 | Modified rubber elastic body and electrophotographic member |
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| JP3697049B2 (en) * | 1998-02-27 | 2005-09-21 | キヤノン株式会社 | Surface smoothing method of fluororesin coated elastic roller |
| JP2001082451A (en) * | 1999-09-14 | 2001-03-27 | Bando Chem Ind Ltd | Conductive roller |
| JP5638626B2 (en) * | 2010-12-16 | 2014-12-10 | 株式会社ブリヂストン | OA roller manufacturing method and OA roller |
| CN102207711A (en) * | 2011-06-08 | 2011-10-05 | 北京莱盛高新技术有限公司 | Method for manufacturing sponge roller |
| JP5937367B2 (en) * | 2012-01-31 | 2016-06-22 | 株式会社ブリヂストン | OA roller manufacturing method |
| JP5643358B2 (en) * | 2013-03-01 | 2014-12-17 | 株式会社ブリヂストン | Toner transport roller and toner transport roller manufacturing method |
| JP2015033767A (en) * | 2013-08-07 | 2015-02-19 | 住友ゴム工業株式会社 | Method for manufacturing conductive rubber foam roller, conductive rubber form roller, and image forming apparatus |
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- 2015-08-10 CN CN201510487313.9A patent/CN105082524B/en active Active
- 2015-09-02 WO PCT/CN2015/088809 patent/WO2017024643A1/en active Application Filing
Patent Citations (3)
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| CN1591217A (en) * | 2003-08-29 | 2005-03-09 | 佳能株式会社 | Roller member, and process for its manufacture |
| JP2006162713A (en) * | 2004-12-03 | 2006-06-22 | Bridgestone Corp | Pattern forming method of conductive roller |
| CN104736616A (en) * | 2013-03-29 | 2015-06-24 | 住友理工株式会社 | Modified rubber elastic body and electrophotographic member |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105711116A (en) * | 2016-03-16 | 2016-06-29 | 苏州市创怡盛实业有限公司 | Internal compression method of sponge roller |
| CN105711116B (en) * | 2016-03-16 | 2018-05-22 | 苏州市创怡盛实业有限公司 | The internal compression method of sponge roller |
| CN109680441A (en) * | 2019-01-09 | 2019-04-26 | 常州新光印染有限公司 | Adjustable expansion roller under liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105082524B (en) | 2017-07-18 |
| WO2017024643A1 (en) | 2017-02-16 |
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