EP2149408B2 - Sheet metal accumulator of the loop type with traction winding and corresponding method - Google Patents
Sheet metal accumulator of the loop type with traction winding and corresponding method Download PDFInfo
- Publication number
- EP2149408B2 EP2149408B2 EP09166379.9A EP09166379A EP2149408B2 EP 2149408 B2 EP2149408 B2 EP 2149408B2 EP 09166379 A EP09166379 A EP 09166379A EP 2149408 B2 EP2149408 B2 EP 2149408B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet metal
- turntable
- accumulator
- mobile
- loops
- 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.)
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- 239000002184 metal Substances 0.000 title claims abstract description 101
- 238000004804 winding Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims 5
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C49/00—Devices for temporarily accumulating material
Definitions
- the present invention refers to a sheet metal accumulator of the loop type with traction winding.
- sheet metal accumulators which act as a reservoir to allow constant feeding of the production line situated downstream of the accumulator are well known to the art and normally used.
- the accumulator is normally placed between at least one coil-carrying reel and the production line and accumulates a sufficient amount of sheet metal to allow an empty reel to be replaced with a reel bearing a coil of sheet metal and to join the sheet metal of the new coil with the "tail" of the sheet metal already unwound from the empty coil without having to stop the production line.
- sheet metal accumulator Many types of sheet metal accumulator are known to the art, amongst which can be cited, purely by way of example, pit accumulators (free loop) and accumulators of the loop type with thrust-type winding (known as floops) which have the great drawback of not operating correctly if the sheet metal is (too) thin and/or is made of (overly) ductile material.
- pit accumulators free loop
- floops thrust-type winding
- a sheet metal accumulator of the loop type with traction winding is able to overcome the aforementioned drawback.
- Systems such as, for example, coil winders which accumulate sheet metal by traction are known to the art, but the Applicant is not aware of accumulators that accumulate sheet metal in loops by traction.
- KR 1020040039921 discloses a sheet metal accumulator of the loop type which, to prevent the loosening of the loop(s) of sheet metal wound on the rolls of the rotatable turntable, provides strip laxity preventing means, comprising a plural links and a tightening roll, which acts on the outer surface of said sheet metal loop(s).
- KR 2004 0039920 discloses a sheet metal accumulator of the loop type, comprising a mobile internal turntable and a fixed external one, having a plurality of winding roll and a lead roll, rotating forwards and backwards on the fixed turntable.
- each winding roll is supported by means tilting it of a certain angle towards the centre of the turntable when the lead roll arrives.
- KR 2004 0039920 further comprises means rotating each winding roll around its axis.
- Object of the present invention is to produce a sheet metal accumulator of the loop type with traction winding that does not present the drawbacks and limitations previously described; this object is achieved by means of a sheet metal accumulator of the loop type with traction winding having the features set forth in claim 1.
- the sheet metal accumulator of the loop type with traction winding is adapted to be placed between a source of sheet metal (preferably a coil-carrying reel) and a production line and comprises at least one inlet group, a pinch roll, an external mobile turntable, an internal fixed turntable coaxial with the mobile one, a helical path integral to the fixed turntable and adjustment means situated at the in-put and at the output of the accumulator.
- a source of sheet metal preferably a coil-carrying reel
- a production line comprises at least one inlet group, a pinch roll, an external mobile turntable, an internal fixed turntable coaxial with the mobile one, a helical path integral to the fixed turntable and adjustment means situated at the in-put and at the output of the accumulator.
- the two turntables carry a plurality of rolls, suited to carry loops of sheet metal, which are mounted on swinging arms connected to one another by tie rods and moved by hydraulic or pneumatic means (or by other functionally equivalent hydraulic means), operation of which is managed by a logic unit that controls also adjustment means suited to control and adjust at least the tension of the sheet metal entering the accumulator.
- the loops of sheet metal are traction wound on said rolls.
- Figure 1 shows diagrammatically a front view of a sheet metal accumulator 1 produced according to the invention, which is carried by a metal structure 100 and which comprises at least one inlet group 2 suited to guide the sheet metal 20, a pinch roll 3, a mobile roll (dandy roll) 4 which controls the tension of the incoming sheet metal 20, a series of idle rolls 5, an external mobile turntable 6 carrying an idle traction roll 12, an internal fixed turntable 7 (coaxial with the turntable 6) carrying an idle transmission roll 13, a helical path 15 (seen better in Figure 2 ) integral with the fixed turntable 7 and a mobile roll (dandy roll) 18 which controls the tension of the sheet metal 20 exiting the accumulator 1.
- the inlet group 2, the pinch roll 3, the mobile rolls (4, 18), the idle rolls (5, 12, 13) and the helical path 15 will not be described herein because they are known to a person skilled in the art.
- the two turntables 6, 7 carry a plurality of rolls 8 suited to carry the loops of sheet metal traction wound on said rolls 8, which are mounted on swinging arms 9 connected to one another by tie rods 10 and driven by pistons 11 (or by other known hydraulic means; Figure 3 ), operation of which is managed by a logic unit which, preferably, also controls the pinch roll ( ⁇ 3) ⁇ and the external turntable 6.
- the sheet metal 20 passes through the inlet group 2, the pinch roll 3, the mobile roll 4 and the idle rolls 5 to reach the traction roll 12 of the mobile turntable 6 which, rotating with the turntable 6, winds up the entering sheet metal 20 onto the loops of sheet metal present on the mobile turntable 6 and, at the same time, winds up onto the loops of sheet metal present on the fixed turntable 7 the sheet metal 20 coming from the loop of sheet metal in contact with the rolls 8 of the mobile turntable 6.
- the sheet metal 20 coming from the fixed turntable 7 and from the helical path 15 passes beneath the mobile roll 18 before reaching the production line.
- each hydraulic cylinder 11 acts on the pin of one of the swinging arms 9, mechanically coupled to the pins of the adjacent swinging arms 9 by means of the tie rods 10.
- the mobile turntable 6 begins to turn in a counter-clockwise direction (in the embodiment described here) causing the input speed of the sheet metal 20 into the accumulator 1 to be greater than its output speed towards the production line.
- the traction roll 12, integral with the turntable 6, draws the sheet metal 20 against the transmission roll-13 of the fixed turntable 7 ( Figure 5 ) and then onto the rolls 8 carried by the mobile turntable 6 and by the fixed turntable 7 ( Figure 6 ) and continues to rotate at this speed until the pre-set number of loops has been formed on the two turntables 6, 7.
- the input speed of the sheet metal 20 into the accumulator 1 correlates with the rotation speed of the pinch roll 3 and that during formation of the loops on the two turntables 6, 7, the sheet metal 20 leaves the accumulator 1 at the speed required to feed the production line.
- the mobile turntable 6 and the pinch roll 3 reduce their rotation speed so that when the mobile turntable 6 is at a standstill, the quantity of sheet metal ( ⁇ 20) ⁇ that enters into the accumulator 1 is equal to that exiting towards the production line.
- the pinch roll 3 gradually slows down until it stops (blocking the incoming sheet metal 20) while the mobile turntable 6 starts rotating in a direction opposite to the previous one to pay off the loops formed on the turntables 6 and 7 and feed the production line with the sheet metal 20 stored in the accumulator 1.
- pinch roll 3 blocks the incoming sheet metal 20 allows the sheet metal source to be replaced, joining another coil to the end of the incoming sheet metal 20.
- the mobile turntable When there is no more sheet metal 20 stored in the accumulator 1, the mobile turntable gradually slows down until it stops and, if the inflow of sheet metal 20 to the inlet thereof has been restored, it switches (or can switch) to the stand-by condition ( Figure 4 ) and, subsequently, once again winds up (or can wind up) the sheet metal 20 onto the two turntables 6 and 7 ( Figures 5 and 6 ).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Advancing Webs (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Jib Cranes (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Winding Filamentary Materials (AREA)
- Winding Of Webs (AREA)
Abstract
Description
- The present invention refers to a sheet metal accumulator of the loop type with traction winding.
- In the field of pipes and/or welded sections produced on continuous production lines, sheet metal accumulators which act as a reservoir to allow constant feeding of the production line situated downstream of the accumulator are well known to the art and normally used.
- The accumulator is normally placed between at least one coil-carrying reel and the production line and accumulates a sufficient amount of sheet metal to allow an empty reel to be replaced with a reel bearing a coil of sheet metal and to join the sheet metal of the new coil with the "tail" of the sheet metal already unwound from the empty coil without having to stop the production line.
- Many types of sheet metal accumulator are known to the art, amongst which can be cited, purely by way of example, pit accumulators (free loop) and accumulators of the loop type with thrust-type winding (known as floops) which have the great drawback of not operating correctly if the sheet metal is (too) thin and/or is made of (overly) ductile material.
- A sheet metal accumulator of the loop type with traction winding is able to overcome the aforementioned drawback. Systems (such as, for example, coil winders) which accumulate sheet metal by traction are known to the art, but the Applicant is not aware of accumulators that accumulate sheet metal in loops by traction.
-
KR 1020040039921 -
KR 2004 0039920 - To avoid interference, if any, with the lead roll, each winding roll is supported by means tilting it of a certain angle towards the centre of the turntable when the lead roll arrives.
-
KR 2004 0039920 - Object of the present invention is to produce a sheet metal accumulator of the loop type with traction winding that does not present the drawbacks and limitations previously described; this object is achieved by means of a sheet metal accumulator of the loop type with traction winding having the features set forth in claim 1.
- Further advantageous characteristics of the invention form the subject matter of the dependent claims.
- The sheet metal accumulator of the loop type with traction winding is adapted to be placed between a source of sheet metal (preferably a coil-carrying reel) and a production line and comprises at least one inlet group, a pinch roll, an external mobile turntable, an internal fixed turntable coaxial with the mobile one, a helical path integral to the fixed turntable and adjustment means situated at the in-put and at the output of the accumulator.
- The two turntables carry a plurality of rolls, suited to carry loops of sheet metal, which are mounted on swinging arms connected to one another by tie rods and moved by hydraulic or pneumatic means (or by other functionally equivalent hydraulic means), operation of which is managed by a logic unit that controls also adjustment means suited to control and adjust at least the tension of the sheet metal entering the accumulator.
- The loops of sheet metal are traction wound on said rolls.
- The invention will now be described with reference to purely exemplifying (and therefore non limiting) embodiments illustrated in the appended figures, wherein:
-
Figure 1 shows diagrammatically a front view of a sheet metal accumulator of the loop type produced according to the invention, in a working condition; -
Figure 2 shows diagrammatically a side view of the sheet metal accumulator ofFigure 1 ; -
Figure 3 shows diagrammatically a rear view of the sheet metal accumulator ofFigure 1 ; -
Figure 4 shows diagrammatically the sheet metal accumulator ofFigure 1 in a stand-by condition; -
Figure 5 shows diagrammatically the sheet metal accumulator ofFigure 1 in a first step of winding of the sheet metal onto the fixed and mobile turntables; -
Figure 6 shows diagrammatically the sheet metal accumulator ofFigure 1 in a second step of winding of the sheet metal, following that ofFigure 5 . - In the appended figures corresponding elements will by identified by the same reference numerals.
-
Figure 1 shows diagrammatically a front view of a sheet metal accumulator 1 produced according to the invention, which is carried by ametal structure 100 and which comprises at least oneinlet group 2 suited to guide thesheet metal 20, apinch roll 3, a mobile roll (dandy roll) 4 which controls the tension of theincoming sheet metal 20, a series ofidle rolls 5, an externalmobile turntable 6 carrying anidle traction roll 12, an internal fixed turntable 7 (coaxial with the turntable 6) carrying anidle transmission roll 13, a helical path 15 (seen better inFigure 2 ) integral with thefixed turntable 7 and a mobile roll (dandy roll) 18 which controls the tension of thesheet metal 20 exiting the accumulator 1. - The
inlet group 2, thepinch roll 3, the mobile rolls (4, 18), the idle rolls (5, 12, 13) and thehelical path 15 will not be described herein because they are known to a person skilled in the art. - The two
turntables rolls 8 suited to carry the loops of sheet metal traction wound on saidrolls 8, which are mounted on swingingarms 9 connected to one another bytie rods 10 and driven by pistons 11 (or by other known hydraulic means;Figure 3 ), operation of which is managed by a logic unit which, preferably, also controls the pinch roll (̵3)̵ and theexternal turntable 6. - For the sake of simplicity of the graphic representation, the logic unit and its sensors and actuators have been omitted in the appended figures; moreover, in
Figure 1 only one loop of sheet metal has been indicated on themobile turntable 6 and on thefixed turntable 7. - In the working condition (
Figure 1 ), thesheet metal 20 passes through theinlet group 2, thepinch roll 3, themobile roll 4 and theidle rolls 5 to reach thetraction roll 12 of themobile turntable 6 which, rotating with theturntable 6, winds up the enteringsheet metal 20 onto the loops of sheet metal present on themobile turntable 6 and, at the same time, winds up onto the loops of sheet metal present on thefixed turntable 7 thesheet metal 20 coming from the loop of sheet metal in contact with therolls 8 of themobile turntable 6. - The
sheet metal 20 coming from thefixed turntable 7 and from thehelical path 15 passes beneath themobile roll 18 before reaching the production line. -
Figure 2 shows diagrammatically a side view of the sheet metal accumulator 1 ofFigure 1 ; for the sake of simplicity of the graphic representation, inFigure 2 only themetal structure 100, themobile turntable 6, thehelical path 15, one of therollers 8, one of the swingingarms 9 and one of thetie rods 10 have been denoted by the respective reference numerals. -
Figure 3 shows diagrammatically a rear view of the sheet metal accumulator 1 ofFigure 1 ; visible inFigure 3 are themetal structure 100, theinlet group 2, thepinch roll 3, themeans 41 that control themobile roll 4, the rear part of themobile turntable 6 carrying thehydraulic cylinders 11 which act on the pins of the swingingarms 9 and the rear part of the fixedturntable 7. - In the embodiment illustrated in
Figure 3 , eachhydraulic cylinder 11 acts on the pin of one of the swingingarms 9, mechanically coupled to the pins of the adjacent swingingarms 9 by means of thetie rods 10. -
Figure 4 shows diagrammatically the sheet metal accumulator 1 ofFigure 1 in the stand-by condition: thesheet metal 20 passes only in theinlet group 2, in thepinch roll 3, on themobile roll 4, on theidle rolls 5, on theidle transmission roll 13, on thehelical path 15 and on the mobile roll 18 (which controls the tension of thesheet metal 20 exiting the accumulator 1) without involving the twoturntables -
Figures 5 and6 show diagrammatically the sheet metal accumulator 1 ofFigure 1 in two successive steps of winding of thesheet metal 20 on the mobile and fixedturntables - Starting from the stand-by condition (
Figure 4 ) in which the input speed of thesheet metal 20 is equal to the output speed, themobile turntable 6 begins to turn in a counter-clockwise direction (in the embodiment described here) causing the input speed of thesheet metal 20 into the accumulator 1 to be greater than its output speed towards the production line. Thetraction roll 12, integral with theturntable 6, draws thesheet metal 20 against the transmission roll-13 of the fixed turntable 7 (Figure 5 ) and then onto therolls 8 carried by themobile turntable 6 and by the fixed turntable 7 (Figure 6 ) and continues to rotate at this speed until the pre-set number of loops has been formed on the twoturntables - It should be remembered that the input speed of the
sheet metal 20 into the accumulator 1 correlates with the rotation speed of thepinch roll 3 and that during formation of the loops on the twoturntables sheet metal 20 leaves the accumulator 1 at the speed required to feed the production line. - When the required number of loops has been formed on the two turntables (̵6, 7)̵, the
mobile turntable 6 and thepinch roll 3 reduce their rotation speed so that when themobile turntable 6 is at a standstill, the quantity of sheet metal (̵20)̵ that enters into the accumulator 1 is equal to that exiting towards the production line. - Once this situation has been reached, the
pinch roll 3 gradually slows down until it stops (blocking the incoming sheet metal 20) while themobile turntable 6 starts rotating in a direction opposite to the previous one to pay off the loops formed on theturntables sheet metal 20 stored in the accumulator 1. - The fact that the
pinch roll 3 blocks theincoming sheet metal 20 allows the sheet metal source to be replaced, joining another coil to the end of theincoming sheet metal 20. - When there is no
more sheet metal 20 stored in the accumulator 1, the mobile turntable gradually slows down until it stops and, if the inflow ofsheet metal 20 to the inlet thereof has been restored, it switches (or can switch) to the stand-by condition (Figure 4 ) and, subsequently, once again winds up (or can wind up) thesheet metal 20 onto the twoturntables 6 and 7 (Figures 5 and6 ). - Operation of the traction accumulator 1 of the present invention will not be described in greater detail because it is obvious to a person skilled in the art or in any case can be deduced from operation of thrust-type accumulators known to the art.
- Without departing from the scope of the invention which is defined by the appended claims, a person skilled in the art can make to the sheet metal accumulator previously described all those modifications and improvements suggested by normal experience and/or by the natural evolution of the art.
Claims (8)
- A sheet metal accumulator (1) of the loop type, adapted to be placed between a unit feeding the sheet metal (20) and a production line and comprising at least an inlet group (2), a mobile external turntable (6), an internal fixed turntable (7) coaxial with the mobile one, a helical path (15) integral to the internal fixed turntable (7) formed by a plurality of rollers and adjustment means (3, 4; 18) suited to control and to adjust the tension of the sheet metal (20) when entering into the accumulator (1), and when exiting from said accumulator, the two turntables (6, 7) carrying a plurality of rolls (8) suited to carry loops of sheet metal, wherein means (3, 12, 13) are provided for traction-winding loops of sheet metal (20) on the rolls (8) of both turntables (6, 7) and wherein the rolls (8) of both turntables (6, 7) are mounted on swinging arms (9) connected one another by tie rods (10) and being movable by hydraulic means (11).
- The sheet metal accumulator (1) according to claim 1, characterized in that the operation of the hydraulic means (11) is controlled by a logic unit that controls also the adjustment means (3) and the mobile turntable (6).
- The sheet metal accumulator (1) according to claim 1, characterized in that it also comprises an idle traction roll (12) integral to the mobile turntable (6) and an idle transmission roll (13) integral to the fixed turntable (7).
- The sheet metal accumulator (1) according to claim 1, characterized in that each of the hydraulic means (11) is adapted to act on the pin of one of the swinging arms (9), which is mechanically coupled with the pins of the adjacent swinging arms (9) by means of the tie rods (10).
- Method for accumulating a sheet metal (20) through a sheet metal accumulator (1) according to one of claims 1 to 4, characterized by traction-winding the loops of sheet metal on the rolls (8) of the mobile turntable (6) and of the fixed turntable (7) and in that, during operation, the sheet metal (20) passes at least through the inlet group (2) and the inlet adjustment means (3, 4) which control and adjust the tension of the sheet metal (20) when entering into the accumulator (1) before reaching the traction roll (12) of the mobile turntable (6) that, rotating together with the turntable (6), winds up the entering sheet metal (20) onto the loops of sheet metal present on the mobile turntable (6) and, at the same time, winds up onto the loops of sheet metal present on the fixed turntable (7) the sheet metal (20) coming from the loops of sheet metal in contact with the rolls (8) of the mobile turntable (6), the sheet metal (20) coming from the fixed turntable (7) and from the helical path (15) passing underneath the outlet adjustment means (18) which control and adjust the tension of the sheet metal (20) when exiting from the accumulator before reaching the production line.
- The method according to claim 5, characterized in that, in order to wind up the sheet metal (20) onto the mobile and the fixed turntables (6, 7), the mobile turntable (6) starts rotating in a first direction at a first speed and the traction roll (12), integral to the mobile turntable (6), drives the sheet metal (20) against the transmission roll (13) of the fixed turntable (7) and then onto the rolls (8) carried by the mobile turntable (6) and by the fixed turntable (7) until forming on the two turntables (6, 7) a pre-set number of loops.
- The method according to claim 6, characterized in that, when the pre-set number of loops have been formed on the two turntables (6, 7), the mobile turntable (6) and the inlet adjustment means (3) decrease their rotation speed so that, when the mobile turntable (6) is at a standstill, the quantity of sheet metal (20) that enters into the accumulator (1) is equal to that exiting to the production line.
- The method according to claim 5, characterized in that, when the feeding unit of the sheet metal (20) needs to be changed, the inlet adjustment means (3) block the incoming sheet metal (20) and the mobile turntable (6) starts rotating in a direction opposite to the previous one to pay off the loops formed on the turntables (6, 7) and to feed the production line with the sheet metal (20) stored in the accumulator (1) and in that, when there is no more sheet metal (20) stored in the accumulator (1), the mobile turntable (6) returns to the home position and the accumulator (1), if the feeding of the sheet metal (20) has been restored in the inlet thereof, switches to the "stand-by" mode and, then, once again winds-up the sheet metal (20) onto the two turntables (6, 7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09166379T PL2149408T3 (en) | 2008-07-29 | 2009-07-24 | Sheet metal accumulator of the loop type with traction winding and corresponding method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI2008A001395A IT1396545B1 (en) | 2008-07-29 | 2008-07-29 | STEEL SHEET ACCUMULATOR WITH TRACTION WINDING |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2149408A1 EP2149408A1 (en) | 2010-02-03 |
EP2149408B1 EP2149408B1 (en) | 2011-03-30 |
EP2149408B2 true EP2149408B2 (en) | 2014-12-10 |
Family
ID=40751240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09166379.9A Active EP2149408B2 (en) | 2008-07-29 | 2009-07-24 | Sheet metal accumulator of the loop type with traction winding and corresponding method |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP2149408B2 (en) |
CN (1) | CN101638190B (en) |
AT (1) | ATE503596T1 (en) |
BR (1) | BRPI0902490A2 (en) |
DE (1) | DE602009000972D1 (en) |
ES (1) | ES2364163T5 (en) |
IT (1) | IT1396545B1 (en) |
PL (1) | PL2149408T3 (en) |
RU (1) | RU2009129105A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103230948B (en) * | 2013-04-15 | 2015-01-28 | 中冶赛迪工程技术股份有限公司 | Waste edge coiling device and loop device thereof |
CN103303721A (en) * | 2013-06-20 | 2013-09-18 | 江苏丰立精密制管有限公司 | Loop storing device |
CN104773571A (en) * | 2015-04-03 | 2015-07-15 | 江苏薪泽奇机械股份有限公司 | Vertical storage accumulator |
CN105170843B (en) * | 2015-08-28 | 2017-05-24 | 风范绿色建筑(常熟)有限公司 | Multi-channel steel bar automatic straightening traction mechanism |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5924527A (en) * | 1982-07-30 | 1984-02-08 | Ishikawajima Harima Heavy Ind Co Ltd | Strip storage device |
KR100313474B1 (en) * | 1999-04-13 | 2001-11-15 | 원웅재 | Rotary-Looper |
KR100453373B1 (en) * | 2002-10-30 | 2004-10-20 | 주식회사 디엠씨테크 | A Rotary Type Looper |
KR100480419B1 (en) * | 2002-11-05 | 2005-03-31 | 이상영 | A storage and discharge apparatus of strip |
KR100473194B1 (en) * | 2002-11-05 | 2005-03-08 | 이상영 | A storage and discharge apparatus of strip |
KR100599421B1 (en) * | 2004-09-07 | 2006-07-13 | 이상영 | Strip storage and discharge |
-
2008
- 2008-07-29 IT ITMI2008A001395A patent/IT1396545B1/en active
-
2009
- 2009-07-24 DE DE602009000972T patent/DE602009000972D1/en active Active
- 2009-07-24 PL PL09166379T patent/PL2149408T3/en unknown
- 2009-07-24 EP EP09166379.9A patent/EP2149408B2/en active Active
- 2009-07-24 AT AT09166379T patent/ATE503596T1/en active
- 2009-07-24 ES ES09166379T patent/ES2364163T5/en active Active
- 2009-07-28 BR BRPI0902490-5A patent/BRPI0902490A2/en not_active IP Right Cessation
- 2009-07-28 RU RU2009129105/02A patent/RU2009129105A/en not_active Application Discontinuation
- 2009-07-29 CN CN200910165530.0A patent/CN101638190B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101638190B (en) | 2015-01-14 |
DE602009000972D1 (en) | 2011-05-12 |
EP2149408B1 (en) | 2011-03-30 |
IT1396545B1 (en) | 2012-12-14 |
BRPI0902490A2 (en) | 2010-05-18 |
EP2149408A1 (en) | 2010-02-03 |
ATE503596T1 (en) | 2011-04-15 |
PL2149408T3 (en) | 2011-09-30 |
ES2364163T5 (en) | 2015-03-06 |
RU2009129105A (en) | 2011-02-10 |
CN101638190A (en) | 2010-02-03 |
ES2364163T3 (en) | 2011-08-26 |
ITMI20081395A1 (en) | 2010-01-30 |
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