CN101219435B - Device for rolling metal bands - Google Patents
Device for rolling metal bands Download PDFInfo
- Publication number
- CN101219435B CN101219435B CN2007101817946A CN200710181794A CN101219435B CN 101219435 B CN101219435 B CN 101219435B CN 2007101817946 A CN2007101817946 A CN 2007101817946A CN 200710181794 A CN200710181794 A CN 200710181794A CN 101219435 B CN101219435 B CN 101219435B
- Authority
- CN
- China
- Prior art keywords
- roller
- rolling
- equipment
- band
- carrier roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 110
- 239000002184 metal Substances 0.000 title claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000003801 milling Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000008713 feedback mechanism Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B5/00—Extending closed shapes of metal bands by rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/14—Making other particular articles belts, e.g. machine-gun belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
Abstract
The invention relates to a rolling equipment used for rolling a self-contained endless band for a metal push belt, which is provided with a first and a second rotatable bearing roller around which the band is intended to be placed and held in an elongated form, the second bearing roller being accommodated in a movable manner in the device, with a rolling roller which contacts with the band, with a central roller which contacts with the band and opposite to the rolling roller, a pressure roller which contacts with the central roller. In the device, a pushing force subjected by the band can be generated between the rolling roller and the central roller, the central roller forms a first bearing roller, the pressure roller contacts with the first bearing roller via two supporting roller, the supporting rollers are positioned oppositely on any side of an imaginary axis respectively and the imaginary axis passes through the central axis of the rolling roller and the first supporting roller.The device is used for producing the rolling band with high quality or uniformity.
Description
The application is to be that 200380104738.2 (PCT/NL2003/000734), denomination of invention are divided an application for " metal tape milling method and equipment " in the application number that on October 29th, 2003 proposed.
Technical field
The present invention relates to a kind of equipment that is used for rolling endless metal belt.
Background technology
This metal tape is the part of a kind of metal push belt (push belt).This push belt is well-known, and for example, it is used for the infinitely variable speeds transmission, and is disclosed among the EP-A 0 950830.This kind kind of drive is known by people, especially is applied on the station wagon.Metal tape is the part of this kind push belt traction element, and this traction element comprises this kind metal tape of many nested, concentric.Make its sealing, subsequently pipe cut apart or cut into the described metal tape of ring forming by the joint that sheet material is rolled into pipe, the described pipe of welding.At last, looping mill rolling is made less thickness, it has elasticity and lower material internal stress when rotating on the less bearing of diameter with the described band of box lunch.Because this characteristic is very important concerning the quality of push belt, so especially, the shape of every band of traction element all uses a kind of point-device mode to obtain.After rolling the finishing, before can being used on the push belt, this metal tape also need carry out some processing or processing.
Since invention push belt in 1970, the method for applicant's metal band rolling does not change all the time, and the principle of this method is published among the Japanese patent gazette JP-11-290908 recently.Along with the deep discussion to push belt and its metal tape characteristic that comprises, and the infinitely variable speeds transmission is more and more welcome, and is imperative to the improvement of milling method and rolling equipment principle.Be not only quality requirement, and be in order to obtain embodying the complete modern milling method and the corresponding apparatus of applicant's many years of experience, the requirement of modernized push belt and this technical field development prospect according to prior art research band.Also have, the power that the push belt of the demand for development unit mass of push belt technology is transmitted increases, so that each link technology of push belt production process is all very advanced.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of sophisticated equipment, be used for the higher or rolling preferably band of uniformity of the quality of production.
For realizing this purpose, rolling equipment of the present invention has increased feature: first carrier roller contacts with band in a side relative with rolling roller, the pressure roller contacts with first carrier roller by two support rollers, support rollers relative to each other is positioned at the either side of an axis of imaginaries in this equipment, this axis of imaginaries passes the central shaft of rolling roller and the central shaft of first carrier roller.
Below with reference to embodiment the present invention is made more detailed explanation.
Description of drawings
Fig. 1 has summarized milling method of the present invention, and illustrates corresponding rolling equipment;
Fig. 2,3,4 is the part operation of rolling;
Fig. 5 is the phasor under different rotating speeds and the roll-force, and these phasors are used in milling method of the present invention, thereby shortens the milling method cycle in the best way;
Fig. 6 is side view and the cutaway view that makes full use of the band of method and apparatus of the present invention institute moulding.
Among these figure, corresponding structure member uses identical Reference numeral.
The specific embodiment
Fig. 1 has shown a kind of rolling equipment, the therefrom milling method that it adopted as can be seen too.This equipment comprises three rolling equipment parts or is called module.This figure shows first measurement module 1, roller module 2 and second measurement module 3 from right to left successively.Rolling equipment and milling method are controlled by an electronic control unit, and this unit does not illustrate in the drawings.
Be with 10 when original state, or say so before rolling,, be also referred to as ring sometimes owing to it is circular and certain rigidity is arranged.After rolling, because it has elasticity and is also referred to as band sometimes.
Motion sensor LS as shown in the figure.This sensor utilizes the standard 9 on the roller bracket 8 can determine the motion conditions of roller bracket 8, also can determine simultaneously after rolling with 10 length L.Represent also among the figure that force cell LC can measure the actual pulling force that applies.After rolling the finishing, between the rolling roller 11 and first carrier roller 7, do not apply under the situation of rolling force F u or thrust Fu, by making motion sensor LS, can obtain belt length L exactly according to the distance between measured carrier roller 6 and 7 and their diameters separately around carrier roller 6 and 7 rotations.The present invention utilizes feedback mechanism can utilize measured belt length L to optimize the rolling mill practice setting, but also can be after rolling with in 10 the subsequent process step used as the control parameter.
Control module is determined the tensile force f 1 and the thrust Fu of its expection according to the every thickness D with 10 that measures before rolling, and these two power will be applied by exciting bank 21 or 22 in the operation of rolling.
It is respectively close mutually that Fig. 2,3 and 4 illustrates roller 6,7,11,12 and 13, or on the contrary, mutually away from will be with 10 to send or move apart rolling equipment to.For this reason, rolling equipment is provided with automatically controlled moving cell (further not illustrating in the drawings), as shown in Figure 1 in the present invention electric hydaulic unit or Electron Excitation cylinder AC.One of them unit acts on first carrier roller 7 by roll bearing arm in the present embodiment, so that the latter can shift to support rollers 12, as shown in Figure 2.Among another embodiment of this equipment, it can also make pressure roller 13 and support rollers 12 shift to first carrier roller 7.Mutually close motion process occur in desire rolling be looped around on first and second carrier rollers 6 and 7 and to having applied after less clamping force or the tensile force f m with 10 with 10.
When first carrier roller 7 contacted with support rollers 12, the axle of rolling roller 11 was with stressed Fp, as shown in Figure 3.This also will make rolling roller 11 and be with 10 to contact, as shown in Figure 4.If drive rolling roller 11 rotations, above-mentioned power Fp guarantees to be with 10, support rollers 12 and also and then rotation of pressure roller 13.Clamping force Fm guarantee second carrier roller 6 and then be with 10 the rotation, be with 10 to move past carrier roller 6 and 7 exactly or medially.
In the actual operation of rolling, be with 10 to enter in the rolling equipment fully and after roller 6,7,11,12 and 13 reached required rotating speed, tensile force f 1 acted on via pressure roller 13 via second carrier roller 6, thrust Fu and is with on 10.Under this situation, tensile force f 1 is born by first carrier roller 7, and thrust Fu is finally born by the reaction force Fr that rolling roller 11 applies.
Milling method of the present invention itself mainly is in order to obtain to expect uniform tape thickness D.Can think that milling method of the present invention is the displacement process, wherein material is from encircling mobile length L and the width B method that is directed to described ring of 10 thickness D.For this reason, electronic control unit decides equipment to be applied to thrust Fu and tensile force f 1 on 10 based on suitable algorithm and according to the consumption measurement result of band.
Except obtaining tape thickness D accurately, milling method of the present invention also for obtain to have pinpoint accuracy with 10 length L.Therefore, the bandwidth B stability that obtains of rolling back depends on the stability with 10 material usage that will be rolled to a great extent.Because stable limited with 10 material usage that will be rolled, rolling back bandwidth B will be to disperse (spread) of distribution, this is a kind of defective in practice, therefore do not wish its generation, for alleviating the consequence that this dispersion brings, among the special embodiment of the present invention, take measures with desire rolling be with 10 to be divided into two rolling group at least, the belt length L that obtains according to its rolling back desire distinguishes, and each milling method of rolling group is provided with difference.
In practice, this means thickness D bigger be arranged on first rolling group being rolled into bigger length L with 10, and thickness D less be arranged on second rolling group to be rolled into less length L with 10.More specifically, the milling method setting is characterised in that, selects first rolling group tensile force f 1 and the ratio of thrust Fu to be relatively higher than second rolling group.Owing to allow even make every effort to rolling and be with 10 to disperse to distribute on length L, so in fact each have less dispersiveness with the bandwidth B that 10 rolling back obtains.
In this special embodiment of the present invention, the traction element of push belt has advantageously used this kind through rolling band, is with 10 mutual nested, concentric for many, and for this reason, the length of described band must be different.Obviously, second rolling group be fit to be nested in first rolling group be with in 10 with 10.Therefore, the length L difference of the band in the traction element after rolling helps describedly being with mutually nestedly, and its variation that also helps in the traction element with 10 width B reduces in the present invention.Herein, different rolling group quantity depend on expectation certainly described with 10 bandwidth B maximum changing value and each traction element contained with 10 quantity.
Desiring the thrust Fu that applies and tensile force f 1 in the milling method is adjusted according to the feedback of the actual power of applying that has been recorded by force cell by control module.In addition, the quality of milling method depends primarily on such fact among the present invention: it is based on above-mentioned power F1 and Fu controls.This with may be based on carrier roller 6 and 7 and the relative position of rolling roller 11 and center the roller 7 and method control carried out is different.
As shown in Figure 1, second measurement module 3 can record the tape thickness D after rolling.For making full use of this equipment, preferably at roller module 2 externally measured thickness.Utilize this measurement can check the whether actual rolling result that expects of causing of selected milling method control, and detect abrasion condition, as the wearing and tearing of first carrier roller 7.
The present invention by selecting first carrier roller 7 rotating speed and therefore the rotating speed of select tape 10 make it in the principal phase HF of milling method, be in higher level, also may accelerate milling method greatly, or shorten rolling one with cycle of 10.Here, the present invention needs to increase deceleration phase UF behind the principal phase HF of the rolling method, and rolling force F u and the F1 of deceleration phase UF preferably also have above-mentioned rotating speed to be significantly smaller than principal phase HF.This milling method is shown in the chart among Fig. 5, and it is the rotating speed rpm of oolemma 10 and one of them in two roll-forces for example, is Fu herein, changes with the variation of cycle t.Dotted line among Fig. 5 represents its objective is the comparison operation of rolling and single rolling WF mutually.
Among the present invention, above-mentioned reduction is at least 10%, but should be preferably between 25% and 50%.The advantage of this milling method is, though this method is a cost with the accuracy and the stability of final result to a certain extent, yet can reduce the thickness with 10 at first quickly greatly in principal phase; And, can accurately obtain the thickness D that expects with 10 at deceleration phase UF, and very stable, also very even on whole belt length L.
Except taking above-mentioned measure, find also that based on practical experience a special diameter of the rolling roller 11 and first carrier roller 7 comprises rolling result's discussed above repeatability and the shortening of cycle t than the characteristic that can improve milling method; Be used between the rolling roller 11 and first carrier roller 7 rollingly being with 10, one of them roller should be far longer than another, as shown in Figure 1.Especially, the diameter of rolling roller 11 should be 3 times of first carrier roller, 7 diameter at least, but preferably approximately is 4 times.This diameter also has than the advantage of bringing: the wearing and tearing of having slowed down greatly of rolling roller 11, thus in operation, in most cases only needing to change impaired carrier roller 7, dismounting is relatively easy with this roller of maintenance.Therefore, bring advantageous effects also for the production capacity and the maintenance cost of rolling equipment.
Fig. 6 illustrates through rolling with 10 side view and cutaway view.This figure has represented the above-mentioned parameter with 10 once more, and as length L, width B and thickness D have also illustrated and seen from profile and rollingly can be the arc that radius is R with 10.This figure also shows, is with 10 to see from profile and can be barrel-shapedly after rolling, that is to say, with the thickness D of 10 center position measurement greater than thickness A near its edge metering.
The structure of this rolling equipment, the special diameter ratio of the especially rolling roller 11 and first carrier roller 7 obviously is suitable for the band shape that obtains to expect.The present invention also can according to the shape of at least one roller 7 or 11 obtain expection with 10 section shape.For example, above-mentioned barrel-shaped for obtaining, can advantageously make roller 7 or 11 be respectively non-cylindrical among the present invention, the central point on roller narrows down a little from the edge as roller as described in can making, and that is to say, and it is recessed, hourglass shape.
Except foregoing description, the invention still further relates to all details among the figure.In any case those skilled in the art can infer these details fast and accurately, the invention still further relates to all the elements described in following one group of claim.
Claims (9)
1. rolling equipment, the free-standing endless belt (10) that is used for the rolled metal push belt, this equipment is provided with the first and second rotatable carrier rollers (6,7), band (10) is used for keeping around rotatable carrier roller placement and with the form that prolongs, second carrier roller (6) is contained in this equipment with manner, this equipment also is provided with and the rolling roller (11) that contacts with (10), and the pressure roller (13) that contacts with first carrier roller (7) by support rollers (12), in this equipment, between rolling roller (11) and first carrier roller (7), produce thrust (Fu), band (10) bears this thrust (Fu), it is characterized in that, first carrier roller (7) contacts with band (10) in a side relative with rolling roller (11), pressure roller (13) contacts with first carrier roller (7) by two support rollers (12), support rollers (12) relative to each other is positioned at the either side of an axis of imaginaries in this equipment, this axis of imaginaries passes the central shaft of rolling roller (11) and the central shaft of first carrier roller (7).
2. rolling equipment according to claim 1 is characterized in that, the diameter of rolling roller (11) is much larger than the diameter of first carrier roller (7).
3. rolling equipment according to claim 2 is characterized in that, the diameter of rolling roller (11) is 3 times of diameter of first carrier roller (7) at least.
4. rolling equipment according to claim 3 is characterized in that, the diameter of rolling roller (11) is 4 times of diameter of first carrier roller (7).
5. according to each described rolling equipment of claim 1-4, it is characterized in that the diameter of pressure roller (13) is roughly corresponding to the diameter of rolling roller (11).
6. according to each described rolling equipment of claim 1-4, it is characterized in that the diameter of support rollers (12) is greater than the diameter of first carrier roller (7), but less than the diameter of pressure roller (13).
7. according to each described rolling equipment of claim 1-4, it is characterized in that, be provided with first exciting bank (21) that is used for moving second carrier roller (6), this exciting bank comprises motion sensor (LS) and force cell (LC), motion sensor (LS) is used to determine to be applied to the motion conditions on second carrier roller (6), and force cell (LC) is used to determine to be applied to the pulling force (F1) on second carrier roller (6).
8. according to each described rolling equipment of claim 1-4, it is characterized in that, be provided with second exciting bank (22) that is used for producing at least partly thrust (Fu), this exciting bank acts on the pressure roller (13) by axle, and pressure roller (13) is contained in the rolling equipment by this axle.
9. according to each described rolling equipment of claim 1-4, it is characterized in that, one of them roller (6,7,11,12,13) be contained in this equipment, can drive with the direction of rotation that makes band (10) leave rolling roller (11) along first carrier roller (7), that is, the thrust (Fu) that produces between rolling roller (11) and first carrier roller (7) puts on the stretching position of band (10).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1022043A NL1022043C2 (en) | 2002-12-02 | 2002-12-02 | Process and device for rolling metal belts. |
| NL1022043 | 2002-12-02 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801047382A Division CN100531951C (en) | 2002-12-02 | 2003-10-29 | Process and a device for rolling metal bands |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101219435A CN101219435A (en) | 2008-07-16 |
| CN101219435B true CN101219435B (en) | 2010-12-08 |
Family
ID=32464680
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101817946A Expired - Lifetime CN101219435B (en) | 2002-12-02 | 2003-10-29 | Device for rolling metal bands |
| CNB2003801047382A Expired - Fee Related CN100531951C (en) | 2002-12-02 | 2003-10-29 | Process and a device for rolling metal bands |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801047382A Expired - Fee Related CN100531951C (en) | 2002-12-02 | 2003-10-29 | Process and a device for rolling metal bands |
Country Status (8)
| Country | Link |
|---|---|
| EP (2) | EP1914028A3 (en) |
| JP (2) | JP4856875B2 (en) |
| CN (2) | CN101219435B (en) |
| AT (1) | ATE403504T1 (en) |
| AU (1) | AU2003274832A1 (en) |
| DE (1) | DE60322739D1 (en) |
| NL (1) | NL1022043C2 (en) |
| WO (1) | WO2004050274A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3901111B2 (en) * | 2003-03-06 | 2007-04-04 | トヨタ自動車株式会社 | Rolling apparatus and rolling method |
| NL1024968C2 (en) * | 2003-12-08 | 2005-06-09 | Bosch Gmbh Robert | Method and device for forming an infinite metal belt provided with a surface profile, profile roll therefor and a push belt provided with the infinite metal belt. |
| JP4933317B2 (en) * | 2007-03-20 | 2012-05-16 | 本田技研工業株式会社 | Metal ring processing method and apparatus |
| CN102717012B (en) * | 2011-08-03 | 2014-10-22 | 程乃士 | Efficient precise closed loop mill |
| JP6638639B2 (en) * | 2016-12-19 | 2020-01-29 | トヨタ自動車株式会社 | Method for manufacturing differential thickness metal sheet, method for manufacturing pressed part, and processing machine |
| CN113732629B (en) * | 2021-09-01 | 2023-05-02 | 浙江缙云韩立锯业有限公司 | Manufacturing method of pressure steel belt |
| CN113976636B (en) * | 2021-11-01 | 2024-04-16 | 沁阳市宏达钢铁有限公司 | Production device and method for hot-rolled deformed steel bar |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176538A (en) * | 1977-06-28 | 1979-12-04 | Volvo Car B.V. | Method and apparatus for the forming of metal endless belts from blanks of tubular material |
| CN1335210A (en) * | 2000-07-26 | 2002-02-13 | 东北大学 | Hot bore-setting rolling technology for heavy track of high speed railway |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191501554A (en) * | 1915-02-01 | 1915-11-18 | William Adrews | Improvements in or relating to the Manufacture of Endless Wires for Tyres. |
| DE2204208A1 (en) * | 1971-02-03 | 1972-08-10 | Honeywell Inc | Rolling device for producing a thin metal strip |
| JPS5856001Y2 (en) * | 1980-12-09 | 1983-12-23 | 石橋鉄工株式会社 | Endless belt rolling machine |
| JPS57102401A (en) * | 1980-12-15 | 1982-06-25 | Matsushita Electric Works Ltd | Dust box |
| JPS5946685B2 (en) * | 1981-05-11 | 1984-11-14 | トヨタ自動車株式会社 | Roll rolling equipment |
| JPS6163307A (en) * | 1984-09-03 | 1986-04-01 | Toyota Motor Corp | Method and device for rolling endless belt |
| JPS6167506A (en) * | 1984-09-08 | 1986-04-07 | Toyota Motor Corp | Rolling method of endless belt |
| NL8403388A (en) * | 1984-11-07 | 1986-06-02 | Gayliene Investments Ltd | ENDLESS METAL TAPE. |
| JPH0236321B2 (en) * | 1985-01-10 | 1990-08-16 | Kobe Steel Ltd | KINZOKUSEIMUZENBERUTONOSEIZOHOHO |
| EP0950830B1 (en) * | 1998-04-14 | 2002-06-26 | Van Doorne's Transmissie B.V. | Metal belt and method for producing such |
| JP3441964B2 (en) * | 1998-04-14 | 2003-09-02 | 本田技研工業株式会社 | Rolling equipment for metal belts |
| JP4485044B2 (en) * | 2000-11-14 | 2010-06-16 | 本田技研工業株式会社 | Ring rolling equipment |
| JP2003266106A (en) * | 2002-03-13 | 2003-09-24 | Nisshin Steel Co Ltd | Method for manufacturing belt made of stainless steel for continuously variable transmission |
-
2002
- 2002-12-02 NL NL1022043A patent/NL1022043C2/en not_active IP Right Cessation
-
2003
- 2003-10-29 EP EP07123271A patent/EP1914028A3/en not_active Withdrawn
- 2003-10-29 WO PCT/NL2003/000734 patent/WO2004050274A1/en active Application Filing
- 2003-10-29 CN CN2007101817946A patent/CN101219435B/en not_active Expired - Lifetime
- 2003-10-29 EP EP03759089A patent/EP1569766B1/en not_active Expired - Lifetime
- 2003-10-29 AT AT03759089T patent/ATE403504T1/en not_active IP Right Cessation
- 2003-10-29 CN CNB2003801047382A patent/CN100531951C/en not_active Expired - Fee Related
- 2003-10-29 DE DE60322739T patent/DE60322739D1/en not_active Expired - Lifetime
- 2003-10-29 JP JP2004556979A patent/JP4856875B2/en not_active Expired - Lifetime
- 2003-10-29 AU AU2003274832A patent/AU2003274832A1/en not_active Abandoned
-
2010
- 2010-10-13 JP JP2010231007A patent/JP5167459B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176538A (en) * | 1977-06-28 | 1979-12-04 | Volvo Car B.V. | Method and apparatus for the forming of metal endless belts from blanks of tubular material |
| CN1335210A (en) * | 2000-07-26 | 2002-02-13 | 东北大学 | Hot bore-setting rolling technology for heavy track of high speed railway |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60322739D1 (en) | 2008-09-18 |
| AU2003274832A1 (en) | 2004-06-23 |
| JP5167459B2 (en) | 2013-03-21 |
| CN101219435A (en) | 2008-07-16 |
| ATE403504T1 (en) | 2008-08-15 |
| EP1914028A3 (en) | 2008-06-11 |
| CN100531951C (en) | 2009-08-26 |
| CN1720113A (en) | 2006-01-11 |
| EP1914028A2 (en) | 2008-04-23 |
| NL1022043C2 (en) | 2004-06-03 |
| EP1569766A1 (en) | 2005-09-07 |
| JP2006507948A (en) | 2006-03-09 |
| JP4856875B2 (en) | 2012-01-18 |
| JP2011062751A (en) | 2011-03-31 |
| WO2004050274A1 (en) | 2004-06-17 |
| EP1569766B1 (en) | 2008-08-06 |
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Granted publication date: 20101208 |