CN201235488Y - Deoiling and derusting apparatus for steel band - Google Patents
Deoiling and derusting apparatus for steel band Download PDFInfo
- Publication number
- CN201235488Y CN201235488Y CNU2008200949469U CN200820094946U CN201235488Y CN 201235488 Y CN201235488 Y CN 201235488Y CN U2008200949469 U CNU2008200949469 U CN U2008200949469U CN 200820094946 U CN200820094946 U CN 200820094946U CN 201235488 Y CN201235488 Y CN 201235488Y
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- steel band
- sand
- degreasing
- rust removal
- wire wheel
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Abstract
The utility model relates to a metal band oil-removing and descaling device, comprising a machine body which is sealed and soundproof as well as a sand feeding system and a sand grinding system which are arranged in the machine body; an equipment installation operating door and an upright metal band inlet and outlet groove are arranged on the wall of a machine body; the sand grinding system comprises a grinding head mechanism and a mounting base, and the grinding head mechanism comprises a motor, a steel wire wheel and a coupler; the motor is connected on the mounting base, and the steel wire wheel is respectively tangent with the two sides of the steel belt or is attached locally; the sand feeding system comprises a sand hopper, a sand pipe and a sand feeding machine, the sand outlet of the sand pipe is arranged above the steel wire wheel and leads the sand stream to pass through the position of a screw-in contact inlet of the steel wire wheel and the steel belt. The metal band oil-removing and descaling device can realize double oil-removing and descaling by rubbing and impacting, has hign efficiency, low noise and no pollution, and satisfies the continuous treatment of oil-removing and descaling on the metal band.
Description
Technical field
The utility model relates to a kind of device that carries out degreasing and rust removal simultaneously, more particularly, relates to a kind of steel band degreasing and rust removal device.
Background technology
In machinery production and process, usually need raw material or parts are carried out oil removing and processing of rust removing.Existing degreasing and rust removal technology can be divided into physics method and chemical method two big classes, can every kind in the application method use separately or two kinds of methods are used in combination.
The electrochemical deoiling method mainly is by chemical reaction saponification or emulsification greasy dirt, washes then, and the chemical derusting method is to utilize acid and iron rust generation chemical reaction, converts iron rust to soluble material, reaches the purpose of removing iron rust.
Cost is higher, efficient is low because of existing for the chemical method degreasing and rust removal, and processing procedure and chemical waste fluid are very limited to defectives such as working environment pollute.
Physics method degreasing and rust removal has overcome the above-mentioned defective of chemical method.Existing physics method degreasing and rust removal mainly is the degreasing and rust removal method that adopts sandblast, shot-peening, the grains of sand that the utilization high-speed fan produces high-speed motion act on processed surface, by the mechanical shock rubbing action of the grains of sand, reach the purpose of degreasing and rust removal to processed surface.Though existing sandblast, shot-peening degreasing and rust removal method have the efficient height, handle characteristics such as processed the surface quality in back is good, when still there being following defective:
1, fan energy consumption height, the noise of the generation high speed grains of sand are big, grains of sand high speed impact is on processed surface, also can produce very big noise, the high-speed motion grains of sand and the ballistic motion meeting under the distinguished and admirable effect of malleation simultaneously produces a large amount of dust, makes working environment be subjected to the severe contamination of noise and dust;
2, treating apparatus is bulky, needs bigger usable floor area, and floor space is big.
Summary of the invention
The technical problems to be solved in the utility model is, a kind of steel band degreasing and rust removal device is provided, overcome existing sandblast, the noise of shot-peening degreasing and rust removal method existence, the defective of dust polluting environment, improve working environment, satisfy steel band and on production line, carry out continuous degreasing and rust removal processing.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of steel band degreasing and rust removal device is provided, it is characterized in that, comprise body, be arranged on and give husky system and frosted system in this body; Described body is airtight and comprise body wall that puigging is set, be arranged on steel band on the body wall sidewall that equipment fitting operation door and setting on this body wall sidewall be arranged on these relative both sides of body into and out of groove; Described frosted system comprises grinding head mechanism and is supported on mount pad on the interior wall construction of described body that described grinding head mechanism comprises motor, wire wheel and be connected the shaft coupling of this motor and wire wheel that this motor is connected on this mount pad; The wire wheel of described grinding head mechanism is respectively with tangent or paste mutually with part, steel band both sides by the steel band both sides of described internal body into and out of groove through the steel band of described body; The described sand bucket of comprising for husky system to be positioned at described frosted system below, connect the sand tube of side outlet under this sand bucket and be arranged on the husky machine that send on this sand tube, the sand outlet of described sand tube is arranged on described wire wheel top and makes the sand drift described wire wheel of flowing through at least contact the porch with the precession of described steel band.
In steel band degreasing and rust removal device of the present utility model, described frosted system comprises piston shoes or the pulley that is arranged on the described mount pad, described body interior wall construction comprises the guide rail that cooperates with these piston shoes or pulley, this guide rail comprises the positioner that described piston shoes or pulley is positioned corresponding to the operating position of described frosted system, and an end of this guide rail leads to the equipment fitting operation door on the described body wall.
In steel band degreasing and rust removal device of the present utility model, described frosted system comprises the tumbler of quadrangular mechanism and this quadrangular mechanism, the installation limit of this quadrangular mechanism is provided with piston shoes or pulley, described body interior wall construction comprises the guide rail that cooperates with these piston shoes or pulley, this guide rail comprises the positioner that described piston shoes or pulley is positioned corresponding to the operating position of described frosted system, and an end of this guide rail leads to the equipment fitting operation door on the described body wall; Described mount pad is connected on the relative fillet in this quadrangular mechanism installation limit or as this quadrangular mechanism relative one side, limit is installed; The tumbler of described quadrangular mechanism comprises that being connected this quadrangular mechanism installs hydraulic jack on limit or cylinder and be sleeved on this quadrangular mechanism and be connected guide pin bushing on the rotation limit of described installation limit and fillet, and the piston rod head of described hydraulic jack or cylinder and this guide pin bushing are rotationally connected.
In steel band degreasing and rust removal device of the present utility model, described frosted system is arranged on the upside or the downside of described steel band or is separately positioned on the both sides up and down of described steel band.
In steel band degreasing and rust removal device of the present utility model, the steel band on the described body wall is provided with like this into and out of groove: when steel band pass described into and out of groove when the described internal body, be parastate between steel band.
In steel band degreasing and rust removal device of the present utility model, comprise corresponding to the steel band on the described body wall and be arranged on the steel band directive wheel of this steel band into and out of the groove outside into and out of groove, steel band on the described body wall is provided with like this into and out of groove: when steel band pass described into and out of groove when the described internal body, the steel band spacing is wedge-like and receives little or be wedge-like and amplify; Described motor floats and is connected on the described mount pad.
In steel band degreasing and rust removal device of the present utility model, comprise the sediment transport extension tube attached of passing described body wall and being connected, be arranged on first valve on this sediment transport extension tube attached and be arranged on this sediment transport extension tube attached with the described sand tube that send husky machine to go out husky end and described sand tube tie point sand tube afterwards on second valve.
In steel band degreasing and rust removal device of the present utility model, comprise dust arrester, this dust arrester comprises and passes described body wall dust removing tube that is connected with described internal body and the air exhauster that is connected this dust removing tube.
Implement steel band degreasing and rust removal device of the present utility model, compared with the prior art, its beneficial effect is:
1. adopt wire wheel to carry sand steel strip surface is carried out forced friction, can efficiently the iron rust and the greasy dirt of steel strip surface be removed by sand; Under the circular motion effect that wire wheel rotates at a high speed, the part sand is accelerated and flies to steel band simultaneously, steel strip surface is formed impact, and takes away iron rust and greasy dirt, the effect that reaches friction and impact dual degreasing and rust removal, and remove steel band seamed edge burr;
2. whole degreasing and rust removal process is carried out in the body of airtight sound insulation, external noise can be reduced greatly, effectively prevents noise pollution;
3. no external wind regime in the body can not cause the leakage of dust, and dust arrester is set on body, more can make to be negative pressure state in the body, and the dust in the body is pumped to outdoor, can effectively prevent dust pollution.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the three-dimensional cutaway view of a kind of embodiment of the utility model steel band degreasing and rust removal device.
Fig. 2 is A among Fig. 1-A cutaway view.
Fig. 3 is motor and a mount pad floating connecting structure schematic diagram in the utility model steel band degreasing and rust removal device.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model steel band degreasing and rust removal device comprise body 1, be arranged on body 1 inside give husky system 2 and frosted system 30.
Body 1 adopts closed structure, comprises body wall that puigging is set, is arranged on steel band on the body wall that equipment fitting operation door (not shown) and setting on the body wall sidewall be arranged on body 1 relative both sides into and out of the groove (not shown).
Frosted system 30 comprises grinding head mechanism, mount pad 14, the tumbler of quadrangular mechanism 5 and this quadrangular mechanism, the installation limit of quadrangular mechanism 5 is provided with piston shoes or pulley 6, guide rail (the guide rail structure commonly used that the guide rail employing cooperates with piston shoes or pulley that the setting of body interior wall construction cooperates with these piston shoes or pulley 6, as U type cross section guide rail, L type cross section guide rail etc., U type cross section guide rail can single use or two pairings use, L type cross section guide rail generally needs two pairings to use), (positioner can adopt multiple structure corresponding to the operating position of frosted system the positioner that piston shoes or pulley 6 are positioned to be set on guide rail, as on piston shoes or pulley 6, locating hole being set, the alignment pin that cooperates with locating hole is set on guide rail realizes the location, or on guide rail, be provided with and be positioned at piston shoes or pulley 6 front and back can be adorned, the locator card of tearing open is realized location etc.), one end of guide rail leads to the equipment fitting operation door on the body wall, so that frosted system 30 is shifted out body 1 outer the maintenance, change parts etc.Mount pad 14 is installed relative one side, limit or is connected this quadrangular mechanism as this quadrangular mechanism and installs on the relative fillet in limit.
The tumbler of quadrangular mechanism 5 comprises that being connected this quadrangular mechanism installs hydraulic jack or the cylinder 15 on limit and be sleeved on this quadrangular mechanism and be connected and installed guide pin bushing 3 on the rotation limit of limit and fillet, and piston rod 4 heads and the guide pin bushing 3 of hydraulic jack or cylinder 15 are rotationally connected.Rotate quadrangular mechanism 5 by hydraulic jack or cylinder 15, make wire wheel arrive or leave the operating position.
Above-mentioned quadrangular mechanism 5 can adopt parallel-crank mechanism or other quadrangular mechanism.
As shown in Figure 2, the wire wheel of grinding head mechanism 7-1,7-2,7-3,7-4,7-5 is with tangent or paste mutually with part, steel band 12 both sides by the both sides of the steel band 12 of body 1 inside into and out of groove through the steel band of body 1.
In the present embodiment, frosted system 30 is for being arranged on two covers of steel band both sides 12 about, a cover job, and a cover is standby, guarantees to overlap frosted system 30 when carrying out maintain and replace to one, and steel band degreasing and rust removal device can utilize 30 continuous operations of another set of frosted system.
In other embodiments, frosted system 30 only is arranged on the upside or the downside of steel band 12, also can realize the object of the invention.
As shown in Figure 1, comprise the sand bucket 9 that is positioned at frosted system 30 belows for husky system 2, connect the sand tube 16 and the husky machine 11 that send that is arranged on this sand tube 16 of 9 times side outlets of this sand bucket, send husky machine 11 to adopt and send husky blower fan, husky pump etc. to send husky equipment.The sand outlet of sand tube 16 is arranged on frosted system 30 tops, it goes out husky form and can adopt waterfall type to go out sand or point type goes out sand, which kind of no matter adopts go out husky mode, to guarantee that all sand drift 10 wire wheel of flowing through contacts the porch with the precession of steel band, to guarantee that wire wheel brings the grains of sand contact-making surface of wire wheel and steel band into, reach the purpose of degreasing and rust removal.In other embodiments, the sand outlet of sand tube 16 can be arranged on wire wheel top, and makes the sand drift wire wheel of flowing through contact the porch with the precession of steel band.
Wire wheel is rotating at a high speed in (maximum line velocity can reach 6000 meters/minute) process, and its wheel rim can quicken fly to steel band with the part sand, steel strip surface is formed impact, and takes away iron rust and greasy dirt, the effect that reaches friction and impact dual degreasing and rust removal.
In other embodiments, can parallel-crank mechanism 5 be set and piston shoes or pulley directly are set on mount pad 14, cooperate with the guide rail on the body interior wall construction, corresponding to the operating position of frosted system the above-mentioned positioner that piston shoes or pulley are positioned is set on guide rail, an end of guide rail leads to the equipment fitting operation door on the body wall.
In other embodiments, frosted system 30 can be fixedly connected on the interior wall construction of body 1, frosted system 30 be installed and keeps in repair by the equipment fitting operation door on the body wall.
As shown in Figure 2, in the present embodiment, the steel band that is provided with on the body wall passes into and out of groove when the internal body steel band into and out of groove, the steel band spacing be wedge-like receive little, corresponding to the steel band on the body wall into and out of groove at this steel band into and out of groove arranged outside steel band directive wheel 18,19.The motor 8 of grinding head mechanism floats and is connected on the mount pad 14.As shown in Figure 3, the floating connecting structure of motor 8 is as follows: the mounting flange of motor 8 is connected on the side surface of mount pad 14 by radial displacement bearing 20, the hole 14-1 internal diameter that mount pad 14 cooperates with the fuselage outer rim of motor 8 is greater than the fuselage physical dimension of motor 8, make motor 8 in the 14-1 of hole, to float, direction along steel band 12 is provided with back-moving spring 21, back-moving spring 21 1 ends are connected with mount pad 14, and the other end is connected with the mounting flange of motor 8.Like this, under the effect of back-moving spring 21, can after the wire wheel wearing and tearing of grinding head mechanism 7, when making the wire wheel of grinding head mechanism 7 press close to steel band, guarantee that wire wheel contacts well with the steel band of its both sides by hydraulic jack or cylinder 15 adjustment parallel-crank mechanisms 5.
In the present embodiment, directive wheel is provided with in pairs, in other embodiments, single directive wheel can be set.
In other embodiments, the steel band that can be provided with on the body wall passes into and out of groove when the internal body steel band into and out of groove, the steel band spacing is wedge-like amplifies, corresponding to the steel band on the body wall into and out of groove at this steel band into and out of groove arranged outside steel band directive wheel 18,19.The motor 8 of grinding head mechanism floats and is connected on the mount pad 14.
In other embodiments, the steel band that also can be provided with on the body wall passes into and out of groove when the internal body steel band into and out of groove, is parastate between steel band.The motor 8 of grinding head mechanism is fixedly connected on the mount pad 14.
As shown in Figure 1, for convenience to changing for the sand in the husky system 2, to extract out in the Sha Congsha bucket 9 that pollute, replenish clean new sand, sediment transport extension tube attached 17 is set, this sediment transport extension tube attached 17 is passed body wall and is connected with the sand tube 16 that send husky machine 11 to go out husky end, on this sediment transport extension tube attached 17, valve 17-1 is set, on the sand tube after this sediment transport extension tube attached 17 and sand tube 16 tie points valve 16-1 is set, like this, when extract out to pollute husky the time, valve-off 16-1, open valve 17-1, start the husky machine 11 that send, the sand of pollution is drawn out of from 17 outlets of sediment transport extension tube attached; Husky machine 11 is sent in counter-rotating, can new sand be imported in the husky bucket 9 by sediment transport extension tube attached 17.Valve-off 17-1, open valve 16-1, carry out the husky degreasing and rust removal work of bio-occlusion for husky system 2.
As shown in Figure 1, in order to reduce the dust of steel band degreasing and rust removal device when work body 1 inside, dust arrester is set, dust arrester comprises and passes body wall dust removing tube 13 that is connected with internal body and the air exhauster (not shown) that is connected this dust removing tube 13.
The utility model steel band degreasing and rust removal method is used above-mentioned steel band degreasing and rust removal device that steel band is carried out degreasing and rust removal and is handled, this method comprises: the sand of packing in giving the sand bucket 9 of husky system 2, pending steel band 12 is advanced groove from the steel band on the body wall to be penetrated, goes out groove and pass, adjustment frosted system 30 makes wire wheel and pending steel band is tangent or part is fitted, start and send husky machine 11 to make sand outlet outflow sand drift 10 to husky system, start the frosted system motors and drive the wire wheel rotary work, carry steel band 12 continuously, can realize the degreasing and rust removal of steel band is handled.
The utility model steel band degreasing and rust removal method also comprises when the degreasing and rust removal effect can not meet the demands, and the Chen Sha that pollutes is discharged body and the new husky step of input.
Claims (8)
1, a kind of steel band degreasing and rust removal device is characterized in that, comprises body, is arranged on and gives husky system and frosted system in this body;
Described body is airtight and comprise body wall that puigging is set, be arranged on steel band on the body wall sidewall that equipment fitting operation door and setting on this body wall sidewall be arranged on these relative both sides of body into and out of groove;
Described frosted system comprises grinding head mechanism and is supported on mount pad on the interior wall construction of described body that described grinding head mechanism comprises motor, wire wheel and be connected the shaft coupling of this motor and wire wheel that this motor is connected on this mount pad; The wire wheel of described grinding head mechanism is respectively with tangent or paste mutually with part, steel band both sides by the steel band both sides of described internal body into and out of groove through the steel band of described body;
The described sand bucket of comprising for husky system to be positioned at described frosted system below, connect the sand tube of side outlet under this sand bucket and be arranged on the husky machine that send on this sand tube, the sand outlet of described sand tube is arranged on described wire wheel top and makes the sand drift described wire wheel of flowing through at least contact the porch with the precession of described steel band.
2, steel band degreasing and rust removal device as claimed in claim 1, it is characterized in that, described frosted system comprises piston shoes or the pulley that is arranged on the described mount pad, described body interior wall construction comprises the guide rail that cooperates with these piston shoes or pulley, this guide rail comprises the positioner that described piston shoes or pulley is positioned corresponding to the operating position of described frosted system, and an end of this guide rail leads to the equipment fitting operation door on the described body wall.
3, steel band degreasing and rust removal device as claimed in claim 1, it is characterized in that, described frosted system comprises the tumbler of quadrangular mechanism and this quadrangular mechanism, the installation limit of this quadrangular mechanism is provided with piston shoes or pulley, described body interior wall construction comprises the guide rail that cooperates with these piston shoes or pulley, this guide rail comprises the positioner that described piston shoes or pulley is positioned corresponding to the operating position of described frosted system, and an end of this guide rail leads to the equipment fitting operation door on the described body wall;
Described mount pad is connected on the relative fillet in this quadrangular mechanism installation limit or as this quadrangular mechanism relative one side, limit is installed;
The tumbler of described quadrangular mechanism comprises that being connected this quadrangular mechanism installs hydraulic jack on limit or cylinder and be sleeved on this quadrangular mechanism and be connected guide pin bushing on the rotation limit of described installation limit and fillet, and the piston rod head of described hydraulic jack or cylinder and this guide pin bushing are rotationally connected.
4, steel band degreasing and rust removal device as claimed in claim 3 is characterized in that, described frosted system is arranged on the upside or the downside of described steel band or is separately positioned on the both sides up and down of described steel band.
5, as the described steel band degreasing and rust removal of one of claim 1 to 4 device, it is characterized in that the steel band on the described body wall is provided with like this into and out of groove: when steel band pass described into and out of groove when the described internal body, be parastate between steel band.
6, as the described steel band degreasing and rust removal of one of claim 1 to 4 device, it is characterized in that, comprise corresponding to the steel band on the described body wall and be arranged on the steel band directive wheel of this steel band into and out of the groove outside into and out of groove, steel band on the described body wall is provided with like this into and out of groove: when steel band pass described into and out of groove when the described internal body, the steel band spacing is wedge-like and receives little or be wedge-like and amplify; Described motor floats and is connected on the described mount pad.
7, as the described steel band degreasing and rust removal of one of claim 1 to 4 device, it is characterized in that, comprise the sediment transport extension tube attached of passing described body wall and being connected, be arranged on first valve on this sediment transport extension tube attached and be arranged on this sediment transport extension tube attached with the described sand tube that send husky machine to go out husky end and described sand tube tie point sand tube afterwards on second valve.
8, as the described steel band degreasing and rust removal of one of claim 1 to 4 device, it is characterized in that, comprise dust arrester, this dust arrester comprises and passes described body wall dust removing tube that is connected with described internal body and the air exhauster that is connected this dust removing tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200949469U CN201235488Y (en) | 2008-06-23 | 2008-06-23 | Deoiling and derusting apparatus for steel band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200949469U CN201235488Y (en) | 2008-06-23 | 2008-06-23 | Deoiling and derusting apparatus for steel band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201235488Y true CN201235488Y (en) | 2009-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200949469U Expired - Lifetime CN201235488Y (en) | 2008-06-23 | 2008-06-23 | Deoiling and derusting apparatus for steel band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201235488Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298128B (en) * | 2008-06-23 | 2010-11-24 | 四川江瀚工业股份有限公司 | Steel strip oil-removing rust-removing apparatus and method |
| CN105773366A (en) * | 2016-04-20 | 2016-07-20 | 江苏昆仑光源材料有限公司 | Alloy steel strip surface sharpening machine system |
| CN106553112A (en) * | 2014-07-27 | 2017-04-05 | 胡妍 | Oil drill rocker surface derusting device |
| CN111230682A (en) * | 2020-01-31 | 2020-06-05 | 邓新华 | Rapid and efficient rust removal device and method |
| CN114808065A (en) * | 2022-03-15 | 2022-07-29 | 兴化市兆泰金属材料有限公司 | Galvanizing treatment process for improving steel adhesion capacity |
-
2008
- 2008-06-23 CN CNU2008200949469U patent/CN201235488Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298128B (en) * | 2008-06-23 | 2010-11-24 | 四川江瀚工业股份有限公司 | Steel strip oil-removing rust-removing apparatus and method |
| CN106553112A (en) * | 2014-07-27 | 2017-04-05 | 胡妍 | Oil drill rocker surface derusting device |
| CN105773366A (en) * | 2016-04-20 | 2016-07-20 | 江苏昆仑光源材料有限公司 | Alloy steel strip surface sharpening machine system |
| CN105773366B (en) * | 2016-04-20 | 2018-03-13 | 江苏昆仑光源材料有限公司 | A kind of alloyed steel strip surface sharpening machine system |
| CN111230682A (en) * | 2020-01-31 | 2020-06-05 | 邓新华 | Rapid and efficient rust removal device and method |
| CN114808065A (en) * | 2022-03-15 | 2022-07-29 | 兴化市兆泰金属材料有限公司 | Galvanizing treatment process for improving steel adhesion capacity |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUAHAN SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SICHUAN JIANGHAN INDUSTRY CO., LTD. Effective date: 20100612 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 611833 JIANGHAN INDUSTRIAL PARK, JIANGHAN ROAD, DUJIANGYAN CITY, SICHUAN PROVINCE TO: 518057 HUAHAN INNOVATION PARK, NO.16, LANGSHAN ROAD, DISTRICT NORTH, NANSHAN DISTRICT HIGH-TECH INDUSTRY PARK, SHENZHEN CITY |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100612 Address after: 518057, Shenzhen, Nanshan District hi tech Industrial Park, North Hill, No. 16 Hua Han Innovation Park Patentee after: Huahan Pipe S & T Co., Ltd. Address before: 611833 Sichuan city of Dujiangyan province Hanlu Jiang Han River Industrial Park Patentee before: SICHUAN JIANGHAN INDUSTRIAL CO., LTD. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20090513 Effective date of abandoning: 20080623 |