CN1557594A - Cutting blade for machining screw thread - Google Patents
Cutting blade for machining screw thread Download PDFInfo
- Publication number
- CN1557594A CN1557594A CNA2004100228620A CN200410022862A CN1557594A CN 1557594 A CN1557594 A CN 1557594A CN A2004100228620 A CNA2004100228620 A CN A2004100228620A CN 200410022862 A CN200410022862 A CN 200410022862A CN 1557594 A CN1557594 A CN 1557594A
- Authority
- CN
- China
- Prior art keywords
- cutting
- screw thread
- groove
- blade
- basil
- 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.)
- Granted
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 70
- 238000003754 machining Methods 0.000 title claims abstract description 24
- 241001529734 Ocimum Species 0.000 claims description 34
- 235000010676 Ocimum basilicum Nutrition 0.000 claims description 34
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009966 trimming Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Abstract
The thread machining cutter with unique groove form includes upper surface, lower surface and three side surfaces constituting cutter body and cutting bit angle. Any two side surfaces are connected by arced surface to constitute cutting bit angle, the top is the front edge surface connected to the cutter body via an arced surface, the front cutter surface and the side surface form cutting edge, and each of the cutting edge is provided with one trimming edge. The front cutting surface has one fanned notch with wavy side walls and one boss with front end extending to inside the notch and tail end extending backwards and ending in the arced surface. The present invention can control the cutting scrap direction and shape during machining, raise the smoothness of the machined surface and the machining efficiency, and may be used in triangular, rectangular, trapeziform and other shaped thread.
Description
Technical field
The present invention relates to a kind of Cutting blade for machining screw thread, especially Indexable threading insert.
Background technology
The processing of screw thread is comparatively special, its different and common cylindrical turning, the two-edged of screwer participate in simultaneously the cutting and the amount of feeding big, smear metal is along with the increase of cutting-in becomes more and more wideer, wide and hard smear metal is difficult to fracture, be easy to be wrapped on workpiece and cutter, the anchor clamps, add that the nose angle of screwer is little, at the bottom of the intensity, be easy to beat with the smear metal of workpiece one superhigh speed rotation and on blade, cause tipping.Solve the problem of above-mentioned existence, just must solve chip flow and chip breaking problem.Though general thread cutting insert also is provided with some grooves and is used as chip-breaker on the rake face of cutting edge, but we find when reality is used: the smear metal curvature that this class blade cut forms is too big, the change cutting parameter that flows through of smear metal can not finely be controlled, be easy to damage cutter and blade, even damage machined surface, particularly during material, this phenomenon is even more serious preferably for plasticity such as processing stainless steel, alloy material, non-ferrous metal and viscosity; And the smear metal winding also causes danger to the operator easily.Screw thread processing simultaneously usually can only be as an independent operation, and can not be as the part in the digital control processing, and production efficiency is not high.
Summary of the invention
At the deficiency of present Cutting blade for machining screw thread, the invention provides a kind of Indexable threading insert with unique flute profile, the chip-flowing and the chip breaking shape that add man-hour can be controlled, and processed surface smoothness and work efficiency can be improved.
Indexable threading insert of the present invention comprises by upper surface, lower surface and connects the blade body and the cutting basil of three groups of sides on above-mentioned two surfaces forming; Wantonly two groups of sides are linked to each other by arc surface and form the cutting basil; End face of each cutting basil be one with upper and lower surface, all become the blade rake face that the plane constituted of equal angular, each rake face intersect to form three cutting edges with the side respectively, has all designed a wiper edges in a side of the equidirectional of every cutting edge; Rake face links to each other with blade body by an arc surface; Design has a similar fan-shaped groove, its angular bisector to be positioned on the angular bisector of the cutting basil in rake face, and the two side of groove is wavy curved surface; Blade has also designed a boss, and its front end extends in the described groove, and its afterbody extends back and ends in arc surface.
The two side of groove is the wavy curved surface of symmetry, and the radius of curvature of each wave of forming wavy side is between 0.2mm-1.0mm, and the highest point of each wave and the distance between the lowest part are between 0.01mm-0.1mm.
The angle of the bus of the two side of groove and blade rake face is all between (40-70) °, and the best is (60-70) °
The groove depth h of groove is between 0.05mm-0.12mm; The rear side of groove is an arc surface.
The radius of curvature value of arc surface on the plane of symmetry of the cutting basil is between (0.3-1.2) mm.
Boss has symmetrical structure and its center line is positioned on the angular bisector of the cutting basil, the top of boss central cross-section is wavy curve, and between 0.7-1.2mm, and the angle γ of the bottom of groove is between (15-35) ° to the distance c of the point of a knife point of the cutting basil for the intersection point of itself and groove; The top, cross section perpendicular to its central cross-section of boss is ogive curve, is made up of two straightways and the circular arc that connects two straightways.
Angle γ between two straightways of ogive curve is between (70-100) °.
Indexable threading insert of the present invention designs the anti-interference surface of promising one section arc surface in a side that links to each other with wiper edges of the cutting basil.
Indexable threading insert of the present invention has the specific chip breaking flute profile with wavy sidewall and boss, the smear metal that produces when making machining screw flows to a side of cutter regularly and makes chip breaking become the C shape, even process stronger material of some difficult-to-machine materials and plasticity, viscosity and the situation of not having cutting fluid; The frictional force of smear metal in flow process is little, processes briskly, makes the processing of screw thread as the part in the multistep digital control processing like this, and need not be as must can reduce operation like this, improve work efficiency as an independent program in the past.Simultaneously wavy groove design has improved the intensity of cutting edge, has also improved blade service life.
Indexable threading insert of the present invention has wiper edges simultaneously, can improve the fineness of finished surface, need not carry out fine finishining earlier to the position that needs screw thread processing under the less situation of surplus, can add at screw thread and handle by wiper edges man-hour, both guaranteed thread size and fineness, and also reduced operation simultaneously, improve work efficiency.
Unique chip breaking bathtub construction of the present invention, all practical in triangle, rectangle, screw thread processing such as trapezoidal.
Description of drawings
Below in conjunction with the method for accompanying drawing, the present invention will be further described:
Fig. 1 is the stereogram of invention screw thread blade for this reason;
Fig. 2 is the partial enlarged drawing of the cutting basil among Fig. 1;
Fig. 3 analyses and observe the view of 90 ° of dextrorotation for F-F among Fig. 2;
Fig. 4 is an E-E cutaway view among Fig. 2.
The specific embodiment
As shown in Figures 1 to 4, Indexable threading insert of the present invention comprises by upper surface 1, lower surface 2 and connects three groups of sides, 3,4,5 blade body of being formed 6 on above-mentioned two surfaces and cut the basil 8; Link to each other by arc surface 7 between wantonly two groups of sides and forms and cut the basil 8; End face of each cutting basil is one and upper and lower surperficial 1, the 2 blade rake face 9 that the plane constituted that all becomes equal angular, intersects three cutting edges 15 of formation respectively with three groups of sides 3,4,5, has all designed wiper edges 14 in a side of every cutting edge 15; Rake face 9 links to each other with blade body 6 by an arc surface 10; Design has a similar fan-shaped groove 11, its angular bisector to be positioned on the angular bisector of the cutting basil 8 in rake face 9, and two side 11a, the 11b of groove 11 is wavy curved surface; Blade has also designed a boss 12, and its front end extends in the groove 11, and its afterbody extends back and ends in arc surface 10.
Two side 11a, the 11b of groove is the wavy curved surface of symmetry, and the radius of curvature of each wave of forming wavy side is between 0.2mm-1.0mm, and the highest point of each wave and the distance between the lowest part are between 0.01mm-0.1mm.
The bus of two side 11a, the 11b of groove and the angle of blade rake face 9 are all between (40-70) °, and the best is (60-70) °, the resistance that improves edge strength and reduce to produce when smear metal is flowed out.
The groove depth h of groove is between 0.05mm-0.12mm; The rear side of groove is an arc surface 11c.Groove can be accumulated a spot of cooling fluid simultaneously except playing the flowing of directs chips, better cool off cutting edge.
The radius of curvature value of arc surface 10 on the plane of symmetry of the cutting basil 8 is between (0.3-1.2) mm.
Have the specific chip breaking bathtub construction with wavy sidewall and boss, the smear metal that produces when making machining screw flows to a side of cutter regularly and makes chip breaking become the C shape, even difficult-to-machine material, the while has also been strengthened the intensity of the cutting basil; The frictional force of smear metal in flow process is little, processes briskly, is easy to realize the digital control processing of screw thread.
Indexable threading insert of the present invention has one section to be that arc surface is prevented interference surface 16 in a side that links to each other with wiper edges 14 design of the cutting basil 8, contacts with workpiece to avoid adding man-hour other position of the blade except cutting edge 15 at screw thread.
Claims (16)
1, a kind of similar leg-of-mutton Indexable threading insert comprises by upper surface (1), lower surface (2) and connects the blade body (6) and the cutting basil of three groups of sides (3), (4), (5) on above-mentioned two surfaces being formed (8); Wantonly two groups of sides are linked to each other by arc surface (7) and form the cutting basil (8); The end face of each cutting basil (8) is the blade rake face (9) that the plane constituted that and upper and lower surface (1), (2) all become equal angular, each described blade rake face (9) intersects formation three cutting edges (15) with described side (3), (4), (5) respectively, and a side of the equidirectional of described every cutting edge (15) has all designed a wiper edges (14); Described blade rake face (9) links to each other with blade body (6) by an arc surface (10); Design has a similar fan-shaped groove (11), its angular bisector to be positioned on the angular bisector of the cutting basil (8) in described rake face (9), it is characterized in that: the two side (11a) of described groove (11), (11b) are wavy curved surface; Described blade has also designed a boss (12), and its front end extends in the described groove (11), and its afterbody extends back and ends in described arc surface (10).
2, Cutting blade for machining screw thread as claimed in claim 1, it is characterized in that: the two side (11a) of described groove (11), (11b) are symmetrical wavy curved surface, the radius of curvature of each wave of forming wavy side is between 0.2mm-1.0mm, and the highest point of described each wave and the distance between the lowest part are between 0.01mm-0.5mm.
3, Cutting blade for machining screw thread as claimed in claim 1 or 2 is characterized in that: the angle of the two side (11a) of described groove (11), the bus of (11b) and blade rake face (9) is all between (40-70) °, and the best is (60-70) °
4, Cutting blade for machining screw thread as claimed in claim 1 or 2 is characterized in that: the groove depth h of described groove (11) is between 0.05mm-0.12mm; The rear side (11c) of described groove (11) is an arc surface.
5, Cutting blade for machining screw thread as claimed in claim 3 is characterized in that: the groove depth h of described groove (11) is between 0.05mm-0.12mm; The rear side of described groove (11) is an arc surface (11c).
6, Cutting blade for machining screw thread as claimed in claim 1 is characterized in that: described arc surface (10) is between the radius of curvature value on the plane of symmetry of the cutting basil (8) is for (0.3-1.2) mm.
7, as claim 1 or 2 or 5 or 6 described Cutting blade for machining screw thread, it is characterized in that: described boss (12) has symmetrical structure and its center line is positioned on the angular bisector of the cutting basil (8), the top of described boss (12) central cross-section is wavy curve, and between 0.7-1.2mm, and the angle γ of the bottom (11d) of groove (11) is between (15-35) ° to the distance c of the point of a knife point of the cutting basil (8) for the intersection point of itself and groove (11); The top, cross section perpendicular to its central cross-section of described boss (12) is ogive curve, described ogive curve by two straightways (13a) (13c) and the circular arc (13b) that connects described two straightways form.
8, Cutting blade for machining screw thread as claimed in claim 3, it is characterized in that: described boss (12) has symmetrical structure and its center line is positioned on the angular bisector of the cutting basil (8), the top of described boss (12) central cross-section is wavy curve, and between 0.7-1.2mm, and the angle γ of the bottom (11d) of groove (11) is between (15-35) ° to the distance c of the point of a knife point of the cutting basil (8) for the intersection point of itself and groove (11); The top, cross section perpendicular to its central cross-section of described boss (12) is ogive curve; Described ogive curve by two straightways (13a) (13c) and the circular arc (13b) that connects described two straightways form.
9, Cutting blade for machining screw thread as claimed in claim 4, it is characterized in that: described boss (12) has symmetrical structure and its center line is positioned on the angular bisector of the cutting basil (8), the top of described boss (12) central cross-section is wavy curve, and between 0.7-1.2mm, and the angle γ of the bottom (11d) of groove (11) is between (15-35) ° to the distance c of the point of a knife point of the cutting basil (8) for the intersection point of itself and groove (11); The top, cross section perpendicular to its central cross-section of described boss (12) is ogive curve; Described ogive curve by two straightways (13a) (13c) and the circular arc (13b) that connects described two straightways form.
10, Cutting blade for machining screw thread as claimed in claim 7 is characterized in that: the angle β of two straightways (13a) of described ogive curve between (13c) is between (70-100) °.
11, Cutting blade for machining screw thread as claimed in claim 8 or 9 is characterized in that: the angle β of two straightways (13a) of described ogive curve between (13c) is between (70-100) °.
12, as claim 1,2,5,6,8,9 or 10 described Cutting blade for machining screw thread, it is characterized in that: in the design of the side that links to each other with wiper edges (14) of the described cutting basil (8) anti-interference surface (16), described anti-interference surface (16) being arranged is one section arc surface.
13, Cutting blade for machining screw thread as claimed in claim 3 is characterized in that: in the design of the side that links to each other with wiper edges (14) of the described cutting basil (8) anti-interference surface (16), described anti-interference surface (16) being arranged is one section arc surface.
14, Cutting blade for machining screw thread as claimed in claim 4 is characterized in that: in the design of the side that links to each other with wiper edges (14) of the described cutting basil (8) anti-interference surface (16), described anti-interference surface (16) being arranged is one section arc surface.
15, Cutting blade for machining screw thread as claimed in claim 7 is characterized in that: in the design of the side that links to each other with wiper edges (14) of the described cutting basil (8) anti-interference surface (16), described anti-interference surface (16) being arranged is one section arc surface.
16, Cutting blade for machining screw thread as claimed in claim 11 is characterized in that: in the design of the side that links to each other with wiper edges (14) of the described cutting basil (8) anti-interference surface (16), described anti-interference surface (16) being arranged is one section arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100228620A CN100333867C (en) | 2004-01-30 | 2004-01-30 | Cutting blade for machining screw thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100228620A CN100333867C (en) | 2004-01-30 | 2004-01-30 | Cutting blade for machining screw thread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1557594A true CN1557594A (en) | 2004-12-29 |
| CN100333867C CN100333867C (en) | 2007-08-29 |
Family
ID=34352101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100228620A Expired - Lifetime CN100333867C (en) | 2004-01-30 | 2004-01-30 | Cutting blade for machining screw thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100333867C (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101389436B (en) * | 2006-02-22 | 2010-10-06 | 山高刀具公司 | A milling insert of cbn and a milling insert tool for thread milling |
| CN102248233A (en) * | 2011-07-21 | 2011-11-23 | 大庆福斯特科技开发有限公司 | Cutting tool for forming internal thread of air-tight seal threaded adapter |
| CN102275017A (en) * | 2011-07-21 | 2011-12-14 | 大庆福斯特科技开发有限公司 | Cutting tool for shaping external threads of hermetically-sealed threaded connector |
| CN102896381A (en) * | 2011-07-29 | 2013-01-30 | 株洲钻石切削刀具股份有限公司 | Indexable thread machining blade |
| CN103252540A (en) * | 2013-03-21 | 2013-08-21 | 昆山华辰精密工具有限公司 | Thread machining tool |
| CN103639543A (en) * | 2013-11-14 | 2014-03-19 | 株洲钻石切削刀具股份有限公司 | Thread machining blade |
| CN104507609A (en) * | 2012-05-15 | 2015-04-08 | 伊斯卡有限公司 | Cutting insert with chip-control arrangement |
| CN105290546A (en) * | 2015-10-16 | 2016-02-03 | 厦门金鹭特种合金有限公司 | Indexable thread machining blade |
| CN106457434A (en) * | 2014-06-13 | 2017-02-22 | 瓦尔特公开股份有限公司 | Thread milling cutter |
| CN107708902A (en) * | 2015-06-23 | 2018-02-16 | 京瓷株式会社 | The manufacture method of cutting insert, cutting element and the machining thing using the cutting element |
| CN109153083A (en) * | 2016-05-26 | 2019-01-04 | 住友电工硬质合金株式会社 | Vibrocutting cutter |
| CN111670080A (en) * | 2018-03-22 | 2020-09-15 | 山特维克科洛曼特公司 | Cutting insert for shoulder milling cutter |
| CN113664234A (en) * | 2021-08-31 | 2021-11-19 | 成都工具研究所有限公司 | Precision forming cutting tool and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870017B (en) * | 2010-06-30 | 2012-09-05 | 株洲钻石切削刀具股份有限公司 | Indexable threading insert |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2636870B1 (en) * | 1988-09-29 | 1994-05-13 | Safety Sa | CUTTING INSERT |
| JP2501471Y2 (en) * | 1989-08-23 | 1996-06-19 | 三菱マテリアル株式会社 | Throw-away tip for rolling tools |
| US5122017A (en) * | 1991-02-19 | 1992-06-16 | Kennametal Inc. | Cutting insert with chip control |
| SE502362C2 (en) * | 1993-09-10 | 1995-10-09 | Sandvik Ab | Cutter for thread turning |
| JPH10128604A (en) * | 1996-10-31 | 1998-05-19 | Kyocera Corp | Cutting insert |
| DE19738456A1 (en) * | 1997-09-03 | 1999-03-11 | Kennametal Inc | Threading insert |
-
2004
- 2004-01-30 CN CNB2004100228620A patent/CN100333867C/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101389436B (en) * | 2006-02-22 | 2010-10-06 | 山高刀具公司 | A milling insert of cbn and a milling insert tool for thread milling |
| CN102248233A (en) * | 2011-07-21 | 2011-11-23 | 大庆福斯特科技开发有限公司 | Cutting tool for forming internal thread of air-tight seal threaded adapter |
| CN102275017A (en) * | 2011-07-21 | 2011-12-14 | 大庆福斯特科技开发有限公司 | Cutting tool for shaping external threads of hermetically-sealed threaded connector |
| CN102248233B (en) * | 2011-07-21 | 2013-08-07 | 大庆福斯特科技开发有限公司 | Cutting tool for forming internal thread of air-tight seal threaded adapter |
| CN102896381A (en) * | 2011-07-29 | 2013-01-30 | 株洲钻石切削刀具股份有限公司 | Indexable thread machining blade |
| CN102896381B (en) * | 2011-07-29 | 2014-09-17 | 株洲钻石切削刀具股份有限公司 | Indexable thread machining blade |
| CN104507609A (en) * | 2012-05-15 | 2015-04-08 | 伊斯卡有限公司 | Cutting insert with chip-control arrangement |
| CN103252540A (en) * | 2013-03-21 | 2013-08-21 | 昆山华辰精密工具有限公司 | Thread machining tool |
| CN103639543A (en) * | 2013-11-14 | 2014-03-19 | 株洲钻石切削刀具股份有限公司 | Thread machining blade |
| CN103639543B (en) * | 2013-11-14 | 2016-01-20 | 株洲钻石切削刀具股份有限公司 | A kind of Cutting blade for machining screw thread |
| CN106457434B (en) * | 2014-06-13 | 2018-09-28 | 瓦尔特公开股份有限公司 | Screw cutter |
| CN106457434A (en) * | 2014-06-13 | 2017-02-22 | 瓦尔特公开股份有限公司 | Thread milling cutter |
| CN107708902B (en) * | 2015-06-23 | 2019-06-28 | 京瓷株式会社 | The manufacturing method of cutting insert, cutting element and the machined object using the cutting element |
| CN107708902A (en) * | 2015-06-23 | 2018-02-16 | 京瓷株式会社 | The manufacture method of cutting insert, cutting element and the machining thing using the cutting element |
| CN105290546A (en) * | 2015-10-16 | 2016-02-03 | 厦门金鹭特种合金有限公司 | Indexable thread machining blade |
| CN109153083A (en) * | 2016-05-26 | 2019-01-04 | 住友电工硬质合金株式会社 | Vibrocutting cutter |
| CN109153083B (en) * | 2016-05-26 | 2021-05-28 | 住友电工硬质合金株式会社 | Vibration cutting tool |
| CN111670080A (en) * | 2018-03-22 | 2020-09-15 | 山特维克科洛曼特公司 | Cutting insert for shoulder milling cutter |
| US11654495B2 (en) | 2018-03-22 | 2023-05-23 | Ab Sandvik Coromant | Cutting insert for a shoulder milling tool |
| CN113664234A (en) * | 2021-08-31 | 2021-11-19 | 成都工具研究所有限公司 | Precision forming cutting tool and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100333867C (en) | 2007-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0814932B1 (en) | Helical cutting insert with offset cutting edges | |
| CN1557594A (en) | Cutting blade for machining screw thread | |
| EP2554305A1 (en) | Cutting insert | |
| CA2362676A1 (en) | Cutting insert | |
| JP4520045B2 (en) | Cutting insert for turning | |
| CN1695851A (en) | Turning insert | |
| JP2819274B2 (en) | Cutting inserts and cutters for milling | |
| CN101870017B (en) | Indexable threading insert | |
| CN1799736A (en) | Reversible holes turning insert | |
| JP3827337B2 (en) | Reamer cutter plate | |
| JPH09267211A (en) | Ball end mill | |
| WO2019086218A1 (en) | Turning insert | |
| CN210435393U (en) | PCBN cutter with chip breaker groove | |
| CN1268462C (en) | Cutting tip | |
| EP0906165B1 (en) | Cutting insert for grooving operations | |
| JP3337804B2 (en) | End mill | |
| JP2007075993A (en) | Radius cutter, especially ball cutter or annular cutter | |
| JP3036343B2 (en) | End mill | |
| JPH01252307A (en) | Hard sintered body tool for interrupted cutting | |
| JPH0337846Y2 (en) | ||
| JPH07195224A (en) | End mill | |
| CN219665147U (en) | Finishing to semi-finishing cutting insert | |
| KR200427303Y1 (en) | Roughing endmill for the cutting of LCD panel | |
| CN209918967U (en) | Novel insert milling cutter blade | |
| KR200398286Y1 (en) | Roughing endmill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070829 |