WO2010050671A2 - 기계적 방법에 의한 칫솔모의 테이퍼 가공방법 - Google Patents
기계적 방법에 의한 칫솔모의 테이퍼 가공방법 Download PDFInfo
- Publication number
- WO2010050671A2 WO2010050671A2 PCT/KR2009/004864 KR2009004864W WO2010050671A2 WO 2010050671 A2 WO2010050671 A2 WO 2010050671A2 KR 2009004864 W KR2009004864 W KR 2009004864W WO 2010050671 A2 WO2010050671 A2 WO 2010050671A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polishing
- drums
- drum
- bristles
- polishing drum
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D9/00—Machines for finishing brushes
- A46D9/02—Cutting; Trimming
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/10—Vibrating devices for arranging bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0276—Bristles having pointed ends
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/04—Preparing bristles
- A46D1/06—Machines or apparatus for cutting bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
Definitions
- the present invention relates to a method of tapering bristles, and more particularly, to a method of tapering bristles by a mechanical method using a polishing drum having protrusions.
- Toothbrushes in which pointed tip hairs are planted have superior penetrability and flexibility to teeth or periodontal pockets compared to toothbrushes in which round tip ends have been implanted.
- the method of preparing the acicular hair is pre-tapered by (i) dissolving the tip using strong acid or strong alkali, (ii) polishing the tip using a polishing machine after planting, and (iii) (i). After planting, there is a method of polishing by the method of (ii).
- the term “preliminary taper” here means less tapered so that the thickness of the tip is 0.03 ⁇ 0.10mm.
- the method of (ii) has a problem that the workability is excellent, but the tapered length of the acicular hair obtained is short within 2 mm, and thus there is a possibility of damaging the gums when brushing due to lack of flexibility.
- Korean Patent No. 261658 is a manufacturing method of immersing and dissolving in strong acid or strong alkali solution until the length of hair is shortened, and then washing and drying to plant in the head of the toothbrush and polishing the end with a grinder.
- the taper length is about 5mm long, so the flexibility is excellent, but the thickness of the tip is 0.04 ⁇ 0.08mm, which is relatively large, so that the permeability is insufficient. If the polishing process is further performed to reduce the degree of backlash, the taper length is shortened and the flexibility is insufficient.
- Korean Patent No. 421454 is similar to Korean Patent No. 261658, but in order to improve the permeability, it is polished so that the thickness of the tip is within 0.02mm. The permeability is excellent, but the taper length is only 2.8 ⁇ 3.5mm and it is flexible. There is a problem that this lack and a lot of defects occur during manufacturing.
- Korean Patent No. 666457 by the present inventor can be mentioned (hereinafter, referred to as "prior art").
- the bristles obtained by the prior art have a problem that thermal deformation occurs due to heat generated during polishing. If thermal deformation occurs, the bristles will bend and deteriorate.
- the grinding wheel is polished with a drum-type grinder having no projections 11 formed therein (first polishing step), and then the drum-shaped grinder having projections 11 is polished ( 2nd to 3rd polishing process), and finally finishing with a rotating drum (fiber polishing process) having fibers placed on the surface (third polishing process), but the rotation speed of the polishing machine is also 500 to 1500rpm in the second polishing process
- the thermal deformation of the bristles obtained because of being very high at 1000 to 2000 rpm is inevitable.
- the tip portion of the taper is bent and irregularly polished, resulting in no commerciality.
- the technique reduces the friction area by fixing the planted toothbrush, which is a polished body, to move the position of the polishing machine up and down during polishing in order to reduce the generation of frictional heat.
- the occurrence of frictional heat is reduced, but the problem that the heat of friction generated in the deep space between the projections and the projections 11 is still accumulating, and in particular, there is a problem that the polishing of the end of the simulation is insufficient.
- the tip of the hair is effectively polished only when it is in contact with the “P part”, which is the bottom between the protrusions 11, as shown in FIG. 2, but the tip of the hair is “P” in a manner of moving the polishing machine having the same high protrusion 11 up and down. Part ”.
- the first polishing process and the fourth polishing process of this technique can be regarded as a dance process that is unnecessary for obtaining the acicular hair.
- the present invention is a further improvement of the prior art, and an object of the present invention is to provide a taper treatment method capable of tapering bristles by a mechanical method and preventing occurrence of thermal deformation. Another object of the present invention is to provide a taper processing method with improved work efficiency.
- the present invention uses a polishing drum having projections and rotating in a vertical and horizontal direction, continuously arranging polishing drums having different projection heights, and sequentially moving non-tapered toothbrushes brushed with regular bristles to each of the arranged polishing drums. While grinding the ends of the cultivated wool.
- planted toothbrush includes a toothbrush planted in a manner in which the bristles are fixed with anchors, as well as a toothbrush planted in a manner in which the bristles are fixed without anchors, and the hair is cut into a specific shape after planting or planting in various forms. It also includes a toothbrush.
- a polishing drum used in the present invention is shown in FIG. Many projections 11 are formed on the surface of the polishing drum 10, and are coupled to the rotor 30 by the rotation shaft 20, so that they can rotate simultaneously in the longitudinal and horizontal directions.
- Proper height of the projections 11 is 1.5 ⁇ 7.0mm, as described above it can be obtained needle needles with a taper length of 5mm or more when polishing with such a polishing drum.
- the method of controlling the heat generated during the polishing process is based on a method of reducing the rotational speed of the polishing drum to within a specific range and adjusting the height of the projection 11.
- the rotational speed should be adjusted in the range of 200 to 500rpm, more preferably 250 to 480rpm. In the case of exceeding this range, thermal deformation occurs. In the case of less than this range, the polishing efficiency is rapidly lowered and the productivity is excessively lowered.
- the lateral rotation speed about 1/3 of a longitudinal rotation speed is suitable.
- the polishing drum while reducing the rotational speed of the polishing drum, by connecting a plurality of polishing drums in parallel so that the polishing operation continues sequentially.
- the grinding drums connected in parallel should be at least 15, more preferably at least 20. If the toothbrush, which is the abrasive, stays in each polishing drum for a period of time and then moves to the next polishing drum, instantaneous air cooling occurs when the toothbrush moves to prevent thermal deformation. That is, friction heat is generated during polishing and cooling action is continuously performed when the bristles move, and the temperature between the temperature of the polishing drum and the projection 11 is maintained at a thermally stable state.
- the role of the projection 11 is to lengthen the length of the taper to be formed, it is selected within the range of 1.5 ⁇ 7.0mm.
- the projection 11 of the polishing drum which is initially polished among the plurality of polishing drums participating in the continuous polishing operation is suitably in the range of 5 to 7 mm. This is because a desired level of taper length is obtained.
- the height of the projections 11 formed in the polishing drum participating in the polishing operation in the middle is 3 ⁇ 5mm, the height of the projections 11 formed in the polishing drum participating in the polishing operation is about 1.5 ⁇ 3.0mm is appropriate.
- reducing the height of the projections 11 in sequence means that the heights of the projections 11 are completely arranged in order from the highest to the lowest, as in the embodiment of the present invention, although not partially sequentially. It is meant to include a case where a lot of the height of the projection 11 is arranged at the beginning of polishing, and a lot of a height of the projection 11 is arranged at the end of the polishing.
- the interval between the protrusions 11 is preferably about 1 ⁇ 5mm, if the thickness of the protrusions 11 is based on a cylindrical shape is about 1 ⁇ 3mm in diameter.
- the shape of the protrusion 11 may be cylindrical as shown in FIG. 2 or conical as shown in FIG.
- a better quality acicular hair is obtained. That is, 200 to 300 mesh of abrasive stones in the polishing drum participating in the initial polishing work, 300 to 700 mesh in the polishing drum participating in the medium polishing work and 700 to 1000 mesh in the polishing drum participating in the later polishing work.
- the abrasive stone is coated, the rough surface generated during the polishing process becomes very smooth, and the quality can be improved to the same level as the acicular hair by chemical treatment.
- each polishing drum can be reciprocated in a direction perpendicular to the direction of movement of the toothbrush. Not only the frictional heat generated during friction due to the reciprocating motion of the polishing drum is uniformly dispersed throughout the polishing drum, and the life of the polishing drum can be extended. Suitable distance of reciprocation is 5 ⁇ 10cm.
- a highly tapered acicular hair having a taper length of 5 mm or more without a chemical deposition process and a thickness of an end point within 0.02 mm is obtained, and thermal deformation occurring during a taper treatment process by a mechanical method is prevented.
- the working environment is significantly improved and the cost of the product is lowered.
- the debris and dust separated during polishing are collected and recycled to a toothbrush rod, so it is environmentally friendly and can reduce the loss of resources.
- FIG. 1 is a perspective view of a polishing drum used in the present invention
- FIG. 2 is a partially enlarged view showing a state in which bristles are polished between the projections.
- FIG 3 is a partially enlarged view of a conical protrusion.
- An embodiment of the present invention is as follows.
- the spacing between the projections 11 of the polishing drum used in the following embodiment is equal to 2 mm.
- the projections 11 having a height of 7.0, 6.6, 6.2, 5.8, 5.4, 5.0, 4.6, 4.2, 3.8, 3.4, 3.0, 2.6, 2.2, 1.8 and 1.5 mm, respectively, were formed, and the polishing drum rotating longitudinally and laterally. After fifteen were arranged in sequence from the left side, the bristles of the non-tapered general bristles were brushed from the left polishing drum.
- the polishing time for each polishing drum was 2.5 seconds, and the longitudinal rotational speed of the polishing drum was 300 rpm for 1, 2, 3 polishing drums, 485 rpm for 4, 5, 6 polishing drums, 7, 8, 9 polishing drums.
- each polishing drum was reciprocated 5 cm in a direction perpendicular to the direction of toothbrush travel.
- the projections 11 were coated with 200 mesh abrasive stones on the 1 to 5 abrasive drums from the left side, 350 mesh abrasives on the 6 to 8 abrasive drums, 550 mesh abrasives on the 9 to 11 abrasive drums, and 12 to The 15 abrasive drums were each coated with 850 mesh abrasive stones.
- the tapered length of the obtained bristles was 6 mm, and 0.03 mm after the end point.
- the projections 11 were coated with 200 mesh abrasive stones on the 1 to 5 abrasive drums from the left side, 350 mesh abrasives on the 6 to 8 abrasive drums, 550 mesh abrasives on the 9 to 11 abrasive drums, and 12 to 16 abrasive drums were coated with 850 mesh abrasive stones and 17-21 abrasive drums with 1000 mesh abrasive stones, respectively.
- the tapered length of the obtained bristles was 7 mm, and the trailing edge point was 0.02 mm or less (0.01-0.02 mm).
- the height of the projection 11 is 7 mm for the polishing drums 1 to 4, the height of the projection 11 is 5 mm for the polishing drums 4 to 8, and the height of the projection 11 is 8 mm for the polishing drums 8 to 12.
- the 3mm, 13 to 15 polishing drums were each provided with a height of the projection 11 is 1.5mm, the rest was performed in the same manner as in Example 1.
- the tapered length of the obtained bristles was 6 mm, and 0.02 mm after the end point.
- Example 1 the polishing was carried out with 15 polishing drums, but the height of the protrusion 11 was 5 mm.
- the polishing time of each polishing drum was 2.5 seconds and the polishing speed of the polishing drum and the coated abrasive stone mesh were the same as those of Example 1, and the resulting bristles had a taper length of 4 mm and a trailing point of 0.04 mm. Simulation deformation (curvature at the end) occurred due to frictional heat.
- the height of the projections 11 formed on each polishing drum is unified to 6 mm, and the polishing method is as follows in the first to fourth polishing drums from 6 to 6 mm on the first and fourth polishing drums, as shown in Example 3.
- the grinding work was performed by adjusting the position of the polishing drum so as to contact with the polishing drum up to 5mm, up to 3mm at the end of the simulation at 8 ⁇ 12 polishing drums, and up to 1.5mm at the end of the simulation at 13 ⁇ 15 polishing drums.
- Example 3 The grinding work was performed by adjusting the position of the polishing drum so as to contact with the polishing drum up to 5mm, up to 3mm at the end of the simulation at 8 ⁇ 12 polishing drums, and up to 1.5mm at the end of the simulation at 13 ⁇ 15 polishing drums.
- the simulated taper length obtained was similar to that obtained in Example 3, but some thermal deformation was observed, and the thickness of the tip was 0.05 mm, resulting in poor polishing of the tip.
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- Brushes (AREA)
Abstract
Description
Claims (6)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/122,868 US20110233988A1 (en) | 2008-10-27 | 2009-08-31 | Method for tapering bristle of a toothbrush by a mechanical method |
CN200980141047.7A CN102186377B (zh) | 2008-10-27 | 2009-08-31 | 通过机械方法使牙刷的刷毛尖细化的方法 |
AU2009310757A AU2009310757B2 (en) | 2008-10-27 | 2009-08-31 | Method for tapering the brush of a toothbrush by a mechanical method |
JP2011533093A JP5603874B2 (ja) | 2008-10-27 | 2009-08-31 | 機械的方法による歯ブラシ用毛材のテーパー加工方法 |
RU2011120972/12A RU2470564C1 (ru) | 2008-10-27 | 2009-08-31 | Способ заострения щетинок зубной щетки методом механической обработки |
EP09823751.4A EP2353433A4 (en) | 2008-10-27 | 2009-08-31 | Method for tapering bristle of a toothbrush by a mechanical method |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0105153 | 2008-10-27 | ||
KR20080105153 | 2008-10-27 | ||
KR10-2009-0030366 | 2009-04-08 | ||
KR1020090030366A KR100900805B1 (ko) | 2008-10-27 | 2009-04-08 | 기계적 방법에 의한 칫솔모의 테이퍼 가공방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010050671A2 true WO2010050671A2 (ko) | 2010-05-06 |
WO2010050671A3 WO2010050671A3 (ko) | 2010-07-08 |
Family
ID=40982221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2009/004864 WO2010050671A2 (ko) | 2008-10-27 | 2009-08-31 | 기계적 방법에 의한 칫솔모의 테이퍼 가공방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20110233988A1 (ko) |
EP (1) | EP2353433A4 (ko) |
JP (1) | JP5603874B2 (ko) |
KR (1) | KR100900805B1 (ko) |
CN (1) | CN102186377B (ko) |
AU (1) | AU2009310757B2 (ko) |
RU (1) | RU2470564C1 (ko) |
WO (1) | WO2010050671A2 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012023122B4 (de) * | 2012-11-27 | 2023-09-28 | Zahoransky Ag | Vorrichtung zur Nachbearbeitung von Borstenbündeln |
USD754443S1 (en) | 2014-06-11 | 2016-04-26 | Colgate-Palmolive Company | Oral care implement |
US10244857B2 (en) | 2016-08-29 | 2019-04-02 | Colgate-Palmolive Company | Oral care implement and filament for the same |
CN108451157A (zh) * | 2018-05-16 | 2018-08-28 | 好维股份有限公司 | 一种模拟人体口腔刷牙的牙刷测试装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100261658B1 (ko) | 1998-03-19 | 2000-07-15 | 권영준 | 테이퍼링형치솔의제조방법 |
KR100421454B1 (ko) | 2001-02-23 | 2004-03-09 | 씨제이 주식회사 | 탄력성이 우수한 고도 테이퍼링 칫솔모가 식모된 칫솔 및그 제조방법 |
KR100666457B1 (ko) | 2005-06-03 | 2007-01-09 | 권영준 | 침상모가 식모된 칫솔의 제조방법 및 이에 의하여 제조된칫솔 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1009884A3 (nl) * | 1995-12-13 | 1997-10-07 | Boucherie Nv G B | Werkwijze en inrichting voor het afronden van borstelvezels. |
US5893612A (en) * | 1995-12-13 | 1999-04-13 | Firma G.B. Boucherie, Naamloze Vennootschap | Apparatus and method for rounding fiber ends of brushes |
JP3611410B2 (ja) * | 1996-10-02 | 2005-01-19 | 赤田刷毛工業株式会社 | 歯ブラシの加工方法 |
CN2337837Y (zh) * | 1998-02-16 | 1999-09-15 | 王贵戊 | 牙刷修毛机的改良构造 |
KR100256905B1 (ko) * | 1998-02-24 | 2000-05-15 | 정봉옥 | 칫솔 솔부 가공 및 포장의 자동화 시스템 |
BE1013374A3 (nl) * | 2000-04-04 | 2001-12-04 | Boucherie Nv G B | Werkwijze en inrichting voor het vervaardigen van borstels. |
KR100464634B1 (ko) * | 2002-12-03 | 2005-01-03 | 권영준 | 일측 테이퍼 된 침상모가 식모된 칫솔 및 그 제조방법 |
MXPA04007627A (es) * | 2002-12-03 | 2004-11-10 | Young Jun Kwon | Cepillo de dientes que tiene cerdas en forma de aguja ahusadas en un extremo y metodo de fabricacion del mismo. |
KR100637380B1 (ko) * | 2004-12-08 | 2006-10-23 | 권영준 | 침상모가 식모된 칫솔의 제조방법 및 이에 의하여 제조된칫솔 |
KR101253795B1 (ko) * | 2005-06-29 | 2013-04-12 | 라이온 가부시키가이샤 | 브러시의 제조 방법, 제조 장치, 및 브러시 |
JP4959240B2 (ja) * | 2006-06-28 | 2012-06-20 | ライオン株式会社 | ブラシの製造方法及び製造装置 |
KR20080084625A (ko) * | 2007-03-13 | 2008-09-19 | 주식회사 베스트화성 | 생산효율이 향상된 칫솔모의 테이퍼 가공방법 |
JP5319105B2 (ja) * | 2007-12-07 | 2013-10-16 | ヨン ジュン クォン | 針状毛が植毛された歯ブラシの製造方法およびこれによって製造された歯ブラシ |
-
2009
- 2009-04-08 KR KR1020090030366A patent/KR100900805B1/ko active IP Right Grant
- 2009-08-31 CN CN200980141047.7A patent/CN102186377B/zh not_active Expired - Fee Related
- 2009-08-31 AU AU2009310757A patent/AU2009310757B2/en not_active Ceased
- 2009-08-31 US US13/122,868 patent/US20110233988A1/en not_active Abandoned
- 2009-08-31 WO PCT/KR2009/004864 patent/WO2010050671A2/ko active Application Filing
- 2009-08-31 EP EP09823751.4A patent/EP2353433A4/en not_active Withdrawn
- 2009-08-31 JP JP2011533093A patent/JP5603874B2/ja active Active
- 2009-08-31 RU RU2011120972/12A patent/RU2470564C1/ru active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100261658B1 (ko) | 1998-03-19 | 2000-07-15 | 권영준 | 테이퍼링형치솔의제조방법 |
KR100421454B1 (ko) | 2001-02-23 | 2004-03-09 | 씨제이 주식회사 | 탄력성이 우수한 고도 테이퍼링 칫솔모가 식모된 칫솔 및그 제조방법 |
KR100666457B1 (ko) | 2005-06-03 | 2007-01-09 | 권영준 | 침상모가 식모된 칫솔의 제조방법 및 이에 의하여 제조된칫솔 |
Also Published As
Publication number | Publication date |
---|---|
JP5603874B2 (ja) | 2014-10-08 |
EP2353433A4 (en) | 2017-08-02 |
AU2009310757B2 (en) | 2011-10-06 |
WO2010050671A3 (ko) | 2010-07-08 |
RU2470564C1 (ru) | 2012-12-27 |
JP2012506723A (ja) | 2012-03-22 |
KR100900805B1 (ko) | 2009-06-04 |
CN102186377A (zh) | 2011-09-14 |
CN102186377B (zh) | 2014-03-12 |
EP2353433A2 (en) | 2011-08-10 |
AU2009310757A1 (en) | 2010-05-06 |
US20110233988A1 (en) | 2011-09-29 |
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