CN102531373B - A kind of break bar of glass-cutting material - Google Patents
A kind of break bar of glass-cutting material Download PDFInfo
- Publication number
- CN102531373B CN102531373B CN201010577325.8A CN201010577325A CN102531373B CN 102531373 B CN102531373 B CN 102531373B CN 201010577325 A CN201010577325 A CN 201010577325A CN 102531373 B CN102531373 B CN 102531373B
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- Prior art keywords
- curved surface
- break bar
- cutting edge
- glass
- indent
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- 239000000463 material Substances 0.000 title claims abstract description 31
- 239000011521 glass Substances 0.000 abstract description 22
- 230000006378 damage Effects 0.000 abstract description 6
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/10—Glass-cutting tools, e.g. scoring tools
- C03B33/105—Details of cutting or scoring means, e.g. tips
- C03B33/107—Wheel design, e.g. materials, construction, shape
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a kind of break bar of glass-cutting material, comprise by first surface a
1, the second curved surface a
2and the angle that outward flange crest line l is formed is ψ
1v-arrangement cutting edge portion (1), circular card (2) and central shaft hole (3), the outward flange crest line l of V-arrangement cutting edge portion (1) has alternatively distributed cutting edge (4) and sunk structure (5) for mono-week, described alternatively distributed described cutting edge (4) forms the first layer cutting edge, and described sunk structure (5) is by the 3rd curved surface (a of indent
3) and the 4th curved surface (a of indent
4) formed, the 3rd curved surface (a
3) and the 4th curved surface (a
4) intersect at the segment of curve l of indent
1, the 3rd curved surface (a
3), the 4th curved surface (a
4) and segment of curve l
1form second layer V-arrangement cutting edge, wherein said segment of curve l
1be the segment of curve of indent, the cutting edge that the two ends of the segment of curve of described indent are respectively adjacent is most advanced and sophisticated.It can avoid causing break bar to block, and avoid damaging glass and destruction split line, and can high quality glass-cutting.
Description
Technical field
The present invention relates to a kind of break bar of glass-cutting material.
Background technology
Along with the fast development of scientific and technological level, many fields requires that the thickness of glass is thin, and hardness is large, and requires also more and more higher for the cutting quality of glass, below be just described for liquid-crystal display glass material used.
The discal blade being used for carrying out glass cutting is taken turns the common trait had and is: include the axis hole that cutting edge portion, break bar card and break bar center are used for installing cutter shaft.Wherein cutting edge portion is V-shaped, is convenient to cut glass, and break bar material is diamond, glomerocryst or polycrystalline diamond, Hardmetal materials etc. mainly.
The thickness of current liquid-crystal display glass used is more and more thinner from 2mm to 0.1mm, hardness is increasing, simultaneously also higher to the specification of quality of glass plane of rupture, make cut time the requirement such as pressure, incision technology, brisement efficiency and accuracy requirement also all higher, propose very large challenge to the research and development of parting tool-break bar.
Patent Z01124992.7 and CN200680003956.0, and the patent Z200410104603.2 etc. asked in the applicant proposes several microstructure in cutting edge portion processing, this several microstructure makes cutting edge portion produce periodic tongue and groove all respectively.The principle of glass-cutting material is: apply certain pressure when cutting to break bar, make the part incision inside glass of blade projection, and sunk part can not cut inside glass, then define the periodicity cut channel of interruption.Adjacent cut channel can produce and split line under stress, and is connected by splitting line, glass is cut open and brisement.
But the break bar of this several structure is when glass-cutting, the topmost problem of existence is, the glass micropowder produced when break bar can be cut is filled, and causes break bar microstructure to block, causes break bar to lose cutting power; Can do great damage to cutting the line that splits produced with the position of glass contact in sunk structure in addition.
For these problems above-mentioned, the invention provides a kind of break bar for glass-cutting and other glass material, the break bar of this kind of new texture, both can not result in blockage, can to avoid again occurring damaging glass and avoid destruction to split line, and very high cutting quality can be obtained.
Summary of the invention
An object of the present invention is to provide a kind of break bar of glass-cutting material, particularly can avoid causing break bar to block, and avoid damaging glass and destruction split line, and can the break bar of high quality glass-cutting.
To achieve these goals, by the following technical solutions: a kind of break bar of glass-cutting material, comprises by first surface a
1, the second curved surface a
2and the angle that outward flange crest line l is formed is ψ
1v-arrangement cutting edge portion, circular card and central shaft hole, the outward flange crest line l of V-arrangement cutting edge portion has alternatively distributed cutting edge and sunk structure in mono-week, described alternatively distributed described cutting edge forms the first layer cutting edge, and described sunk structure is by the 3rd curved surface a of indent
3with the 4th curved surface a of indent
4formed, the 3rd curved surface a
3with the 4th curved surface a
4intersect at the segment of curve l of indent
1, the 3rd curved surface a
3, the 4th curved surface a
4with segment of curve l
1form second layer V-arrangement cutting edge, wherein said segment of curve l
1be the segment of curve of indent, the cutting edge that the two ends of the segment of curve of described indent are respectively adjacent is most advanced and sophisticated.
According to the present invention, sunk structure runs through the first surface a of cutting edge portion
1with the second curved surface a
2.
According to the present invention, sunk structure is equal with the width in side near break bar card position at the width near cutting edge position.
According to the present invention, sunk structure is narrow at the width near cutting edge position, and wide at the width near break bar card position.
According to the present invention, sunk structure is wide at the width near cutting edge position, and narrow at the width near break bar card position.
According to the present invention, break bar also comprises the 5th curved surface a5 and the 6th curved surface a6, and sunk structure runs through first surface and the second curved surface, and sunk structure is equal with the width in side near break bar card position at the width near cutting edge position.
According to the present invention, break bar also comprises the 5th curved surface a5 and the 6th curved surface a6, and sunk structure runs through first surface and the second curved surface, and sunk structure is narrow at the width near cutting edge position, and wide at the width near break bar card position.
According to the present invention, break bar also comprises the 5th curved surface a5 and the 6th curved surface a6, and sunk structure is narrow at the width near cutting edge position, and wide at the width near break bar card position.
According to the present invention, break bar also comprises the 5th curved surface a5 and the 6th curved surface a6, and sunk structure is wide at the width near cutting edge position, and narrow at the width near break bar card position.
According to the present invention, break bar also comprises the 5th curved surface a5 and the 6th curved surface a6, and sunk structure is equal with the width in side near break bar card position at the width near cutting edge position.
According to the present invention, sunk structure is seamlessly transitting near the position of card and first surface a1, the second curved surface a2.
The present invention is made up of inner sunken face due to sunk structure, this structure can solve the glass chip blockage problem that break bar produces when glass-cutting well, the two ends of the segment of curve of indent are respectively the tip of adjacent cutting edge, and like this, can avoid damaging glass and destruction split line; The second layer cutting edge that the segment of curve of indent is formed can impel when glass-cutting tangent line straight, complete and successfully split, and increases substantially the quality of glass cutting.
Accompanying drawing explanation
Fig. 1 (a) is the front view of the present invention first break bar;
The side-view that Fig. 1 (b) is Fig. 1 (a);
The sectional view that Fig. 1 (c) is Fig. 1 (b);
Fig. 1 (d) is the front partial enlarged drawing of region A1 in Fig. 1 (a);
Fig. 1 (e) is the back side partial enlarged drawing of region A1 in Fig. 1 (a);
Fig. 2 (a) is the front view of the present invention second break bar;
The side-view that Fig. 2 (b) is Fig. 2 (a);
The sectional view that Fig. 2 (c) is Fig. 2 (b);
Fig. 3 (a) is the front view of the present invention the 3rd break bar;
The side-view that Fig. 3 (b) is Fig. 3 (a);
The sectional view that Fig. 3 (c) is Fig. 3 (b);
Fig. 4 (a) is the front view of the present invention the 4th break bar;
The side-view that Fig. 4 (b) is Fig. 4 (a);
The sectional view that Fig. 4 (c) is Fig. 4 (b);
Fig. 5 (a) is the front view of the present invention the 5th break bar;
The side-view that Fig. 5 (b) is Fig. 5 (a);
The sectional view that Fig. 5 (c) is Fig. 5 (b);
Fig. 6 (a) is the front view of the present invention the 6th break bar body;
The side-view that Fig. 6 (b) is Fig. 6 (a);
The sectional view that Fig. 6 (c) is Fig. 6 (b);
Fig. 6 (d) is the front view of the present invention the 6th break bar;
The side-view that Fig. 6 (e) is Fig. 6 (d);
The sectional view that Fig. 6 (f) is Fig. 6 (e);
The front partial enlarged drawing of Fig. 6 (g) Fig. 6 (d);
The back side partial enlarged drawing of Fig. 6 (h) Fig. 6 (d);
Fig. 7 (a) is the front view of the present invention the 7th break bar;
The side-view that Fig. 7 (b) is Fig. 7 (a);
The sectional view that Fig. 7 (c) is Fig. 7 (b);
Fig. 8 (a) is the front view of the present invention the 8th break bar;
The side-view that Fig. 8 (b) is Fig. 8 (a);
The sectional view that Fig. 8 (c) is Fig. 8 (b);
Fig. 9 (a) is the front view of the present invention the 9th break bar;
The side-view that Fig. 9 (b) is Fig. 9 (a);
The sectional view that Fig. 9 (c) is Fig. 9 (b).
Figure 10 (a) is the front view of the present invention the tenth break bar;
The side-view that Figure 10 (b) is Figure 10 (a);
The sectional view that Figure 10 (c) is Figure 10 (b).
Embodiment
Below in conjunction with the embodiment (the first break bar) of the break bar of a kind of glass-cutting material of Fig. 1 (a), 1 (b), 1 (c), 1 (d) and 1 (e) detailed description foundation the present invention proposition.
The invention provides one can glass-cutting material, particularly can cut the plate-like break bar of the thick glass material of 0.03mm to 2mm, mainly process the break bar of a kind of novel texture that special microstructure obtains at usual plate-like break bar V-arrangement cutting edge position.
Wherein V-arrangement discal blade wheel has by first surface a
1with the second curved surface a
2and the V-arrangement cutting edge portion 1 that edge crest line is formed, first surface a in this embodiment
1with the second curved surface a
2be respectively plane.Break bar card 2 and break bar center are used for fixing the axis hole 3 of break bar.Break bar material is glomerocryst or polycrystalline diamond, also can be diamond, Hardmetal materials, or the matrix material of this different materials; The thickness range of break bar is 0.3mm to 5mm, and its typical thickness is 0.7mm; The diameter range of break bar is 1mm to 25mm, and wherein representative diameter is 2.5mm; The diameter range of central shaft hole is 0.2mm to 20mm, and wherein representative diameter is 0.8mm; The angle ψ of V-arrangement cutting edge portion 1
1(angular range see Fig. 1 (b) can be 70 degree to 170 degree, and its Typical angles is 120 degree.
The present invention's designing for a week and processing cutting edge 4 and the sunk structure 5 with two-layer cutting edge at break bar V-arrangement cutting edge portion 1 edge crest line.
The scope of the cutting edge 4 that each break bar of the present invention has and sunk structure 5 is 10 to 2000.
The first layer cutting edge in the two-layer cutting edge of break bar of the present invention is formed by the cutting edge of all cutting edges 4; Second layer cutting edge is made up of the cutting edge of sunk structure 5.
Each cutting edge 4 is as the cutting edge of in the first layer cutting edge, and cutting edge 4 is primarily of first surface a
1with the second curved surface a
2local and intersecting lens l form, wherein this intersecting lens l is one section of break bar outward flange crest line; The angle of the first layer cutting edge is equal to the angle ψ of V-arrangement cutting edge portion 1
1, its angular range is 70 degree to 170 degree, and the length range of l is 0.5 μm to 2000 μm, and its preferred angle is 120 degree.In addition each cutting edge 4 shape can identical also can not be identical.
Between two adjacent cutting edge 4, part is a sunk structure 5, and each sunk structure 5 has a cutting edge in second layer cutting edge.Each sunk structure 5 mainly comprises the 3rd curved surface a
3, the 4th curved surface a
4with the 3rd curved surface a
3with the 4th curved surface a
4intersecting lens l
1, the 3rd curved surface a
3, the 4th curved surface a
4and intersecting lens l
1form a cutting edge in the second layer cutting edge described in.3rd curved surface a of sunk structure 5
3, the 4th curved surface a
4inner sunken face, described intersecting lens l
1it is the segment of curve of indent, the segment of curve of indent seamlessly transits, the cutting edge that the two ends of the segment of curve of described indent are respectively adjacent is most advanced and sophisticated, become stepped structure with the structure of one deck cutting edge or the first layer cutting edge with second layer blade shape to compare, can avoid damaging glass and destruction splits line, tangent line can be impelled when glass-cutting straight, complete and successfully split, increasing substantially the quality of glass cutting.
Below in conjunction with the embodiment (the second break bar) of the break bar of a kind of glass-cutting material of Fig. 2 (a), 2 (b) and 2 (c) detailed description foundation the present invention proposition.
Sunk structure 52 runs through the first surface a of cutting edge portion
1with the second curved surface a
2, identical all with the first break bar of other structure.
Below in conjunction with the embodiment (the 3rd break bar) of the break bar of a kind of glass-cutting material of Fig. 3 (a), 3 (b) and 3 (c) detailed description foundation the present invention proposition.
Sunk structure 53 the width near cutting edge position with in side near the width approximately equal at break bar card position, identical all with the first break bar of other structure.
Below in conjunction with the embodiment (the 4th break bar) of the break bar of a kind of glass-cutting material of Fig. 4 (a), 4 (b) and 4 (c) detailed description foundation the present invention proposition.
Sunk structure 54 is narrow near the width at cutting edge position, and wide at the width near break bar card position, identical all with the first break bar of other structure.
Below in conjunction with the embodiment (the 5th break bar) of the break bar of a kind of glass-cutting material of Fig. 5 (a), 5 (b) and 5 (c) detailed description foundation the present invention proposition.
Sunk structure 55 is wide near the width at cutting edge position, and narrow at the width near break bar card position, identical all with the first break bar of other structure.
Below in conjunction with the embodiment (the 6th break bar) of the break bar of a kind of glass-cutting material of Fig. 6 (a), 6 (b), 6 (c), 6 (d), 6 (e), 6 (f), 6 (g) and 6 (h) detailed description foundation the present invention proposition.
First surface a1, the second curved surface a2, the 5th curved surface a5 and the 6th curved surface a6 is had in V-arrangement cutting edge portion 1 both sides of break bar.The angle of first surface a1 and the second curved surface a2 is ψ 1, and the angle of the 5th curved surface a5 and the 6th curved surface a6 is that ψ 2, ψ 2 is less than ψ 1.The basis of this type break bar processes sunk structure, and wherein the 3rd curved surface a3 and the 4th curved surface a4 is the inner sunken face processed, the segment of curve l of indent
1it is the intersection of the 3rd curved surface a3 and the 4th curved surface a4.Sunk structure 56 near cutting edge position width with in side near the width approximately equal at break bar card position.
Below in conjunction with the embodiment (the 7th break bar) of the break bar of a kind of glass-cutting material of Fig. 7 (a), 7 (b) and 7 (c) detailed description foundation the present invention proposition.
Sunk structure 57 is narrow at the width near cutting edge position, and wide at the width near break bar card position.
Below in conjunction with the embodiment (the 8th break bar) of the break bar of a kind of glass-cutting material of Fig. 8 (a), 8 (b) and 8 (c) detailed description foundation the present invention proposition.
Sunk structure 58 is narrow at the width near cutting edge position, and wide at the width near break bar card position.
Below in conjunction with the embodiment (the 9th break bar) of the break bar of a kind of glass-cutting material of Fig. 9 (a), 9 (b) and 9 (c) detailed description foundation the present invention proposition.
Sunk structure 59 is wide at the width near cutting edge position, and narrow at the width near break bar card position.
Below in conjunction with the embodiment (the tenth break bar) of the break bar of a kind of glass-cutting material of Figure 10 (a), 10 (b) and 10 (c) detailed description foundation the present invention proposition.
Sunk structure 510 is equal with the width in side near break bar card position at the width near cutting edge position.
In addition, the sunk structure 5,52,53,54,55,56,57,58,59,510 in above each embodiment is seamlessly transitting near the position of card and first surface a1, the second curved surface a2.
Although represent in detail by above several exemplary embodiment and describe the present invention, it will be appreciated by those skilled in the art that it is not that the present invention is limited to specific embodiments described here.When not departing from instruction of the present invention, particularly according to aforementioned instruction, various change, combination, omission and interpolation can be carried out to described embodiment.Therefore, the present invention is by all these changes of covering, combination, omission, interpolation and equivalent.
Claims (5)
1. a break bar for glass-cutting material, comprises by first surface a
1, the second curved surface a
2and the angle that outward flange crest line l is formed is ψ
1v-arrangement cutting edge portion (1), circular card (2) and central shaft hole (3), the outward flange crest line l of V-arrangement cutting edge portion (1) has alternatively distributed cutting edge (4) and sunk structure (5) for mono-week, it is characterized in that: described alternatively distributed described cutting edge (4) forms the first layer cutting edge, and described sunk structure (5) is by the 3rd curved surface (a of indent
3) and the 4th curved surface (a of indent
4) formed, the 3rd curved surface (a
3) and the 4th curved surface (a
4) intersect at the segment of curve l of indent
1, the 3rd curved surface (a
3), the 4th curved surface (a
4) and segment of curve l
1form second layer V-arrangement cutting edge, wherein said segment of curve l
1be the segment of curve of indent, the cutting edge that the two ends of the segment of curve of described indent are respectively adjacent is most advanced and sophisticated, and sunk structure is equal with the width in side near break bar card position at the width near cutting edge position.
2. the break bar of a kind of glass-cutting material according to claim 1, is characterized in that: sunk structure runs through the first surface (a of cutting edge portion
1) and the second curved surface (a
2).
3. the break bar of a kind of glass-cutting material according to claim 1, it is characterized in that: break bar also comprises the 5th curved surface (a5) and the 6th curved surface (a6), 5th curved surface (a5) and the 6th curved surface (a6) lay respectively at break bar V-type cutting edge portion both sides, 5th curved surface (a5) is connected first surface (a1) and break bar card, 6th curved surface (a6) is connected another card of the second curved surface (a2) and break bar, and sunk structure (56) runs through first surface and the second curved surface.
4. the break bar of a kind of glass-cutting material according to claim 1, it is characterized in that: break bar also comprises the 5th curved surface (a5) and the 6th curved surface (a6), 5th curved surface (a5) and the 6th curved surface (a6) lay respectively at break bar V-type cutting edge portion both sides, 5th curved surface (a5) is connected first surface (a1) and break bar card, and the 6th curved surface (a6) is connected another card of the second curved surface (a2) and break bar.
5. according to the break bar of a kind of glass-cutting material one of claim 1-4 Suo Shu, it is characterized in that: sunk structure is seamlessly transitting near the position of card and first surface (a1), the second curved surface (a2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010577325.8A CN102531373B (en) | 2010-12-07 | 2010-12-07 | A kind of break bar of glass-cutting material |
| PCT/CN2011/000611 WO2012075666A1 (en) | 2010-12-07 | 2011-04-08 | Cutter wheel for cutting glass material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010577325.8A CN102531373B (en) | 2010-12-07 | 2010-12-07 | A kind of break bar of glass-cutting material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102531373A CN102531373A (en) | 2012-07-04 |
| CN102531373B true CN102531373B (en) | 2016-01-06 |
Family
ID=46206551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010577325.8A Active CN102531373B (en) | 2010-12-07 | 2010-12-07 | A kind of break bar of glass-cutting material |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102531373B (en) |
| WO (1) | WO2012075666A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101414172B1 (en) * | 2012-07-27 | 2014-07-01 | 이화다이아몬드공업 주식회사 | Scribing Wheel having micro structure for cutting |
| CN103316869A (en) * | 2013-06-26 | 2013-09-25 | 上海和辉光电有限公司 | Mechanism and method for automatically cleaning cutting wheel |
| CN104961328A (en) * | 2015-06-17 | 2015-10-07 | 京东方科技集团股份有限公司 | Cutter wheel for cutting brittle materials |
| CN105036536A (en) * | 2015-07-21 | 2015-11-11 | 北京沃尔德金刚石工具股份有限公司 | Cutter wheel used for cutting glass materials |
| JP6869527B2 (en) * | 2016-12-28 | 2021-05-12 | 三星ダイヤモンド工業株式会社 | Scribing wheel |
| TWI789052B (en) * | 2021-10-15 | 2023-01-01 | 孫春雨 | Cutter wheel (1) |
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| CN1631623A (en) * | 2004-12-22 | 2005-06-29 | 孙春雨 | Cutting wheel capable of controlling cutting depth |
| CN101121573A (en) * | 2006-08-10 | 2008-02-13 | 株式会社东洋 | Cutter wheel for cutting glass |
| JP2009234874A (en) * | 2008-03-28 | 2009-10-15 | Shiba Giken:Kk | Cutter wheel and method for manufacturing the same |
| CN101746948A (en) * | 2008-12-05 | 2010-06-23 | 细美事有限公司 | Scribing wheel, scribing unit, and scribe line forming method with the scribing unit |
| CN101745990A (en) * | 2008-12-01 | 2010-06-23 | 孙春雨 | Cutter wheel for cutting brittle material and processing method thereof |
| CN201971738U (en) * | 2010-12-07 | 2011-09-14 | 孙春雨 | Cutting wheel for cutting glass material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI290912B (en) * | 2005-07-26 | 2007-12-11 | Awin Diamond Technology Corp | Cutting wheel for brittle sheet materials |
| CN200991967Y (en) * | 2006-12-19 | 2007-12-19 | 劲钻科技股份有限公司 | Cutter wheel for fragile board material |
| DE202007013307U1 (en) * | 2007-09-22 | 2008-04-24 | Bohle Ag | cutting wheel |
| CN201280510Y (en) * | 2008-07-08 | 2009-07-29 | 刘修富 | Cutting wheel tool for glass |
-
2010
- 2010-12-07 CN CN201010577325.8A patent/CN102531373B/en active Active
-
2011
- 2011-04-08 WO PCT/CN2011/000611 patent/WO2012075666A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1631623A (en) * | 2004-12-22 | 2005-06-29 | 孙春雨 | Cutting wheel capable of controlling cutting depth |
| CN101121573A (en) * | 2006-08-10 | 2008-02-13 | 株式会社东洋 | Cutter wheel for cutting glass |
| JP2009234874A (en) * | 2008-03-28 | 2009-10-15 | Shiba Giken:Kk | Cutter wheel and method for manufacturing the same |
| CN101745990A (en) * | 2008-12-01 | 2010-06-23 | 孙春雨 | Cutter wheel for cutting brittle material and processing method thereof |
| CN101746948A (en) * | 2008-12-05 | 2010-06-23 | 细美事有限公司 | Scribing wheel, scribing unit, and scribe line forming method with the scribing unit |
| CN201971738U (en) * | 2010-12-07 | 2011-09-14 | 孙春雨 | Cutting wheel for cutting glass material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102531373A (en) | 2012-07-04 |
| WO2012075666A1 (en) | 2012-06-14 |
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Effective date of registration: 20211210 Address after: 301739 No. 5, Minfeng Road, Jingbin Industrial Park, Wuqing District, Tianjin Patentee after: Tianjin Beidou Intelligent Technology Co.,Ltd. Address before: 100124 Huateng international 5-15lc, 2 Dajiaoting middle street, Chaoyang District, Beijing Patentee before: Sun Chunyu |