CN103407721A - Front conveying device of square pile reinforcing steel bar framework roll welding machine - Google Patents
Front conveying device of square pile reinforcing steel bar framework roll welding machine Download PDFInfo
- Publication number
- CN103407721A CN103407721A CN2013103016026A CN201310301602A CN103407721A CN 103407721 A CN103407721 A CN 103407721A CN 2013103016026 A CN2013103016026 A CN 2013103016026A CN 201310301602 A CN201310301602 A CN 201310301602A CN 103407721 A CN103407721 A CN 103407721A
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- Prior art keywords
- mounting bracket
- pivot shaft
- sliding shaft
- reinforcing steel
- square pile
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- 238000003466 welding Methods 0.000 title abstract description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 title abstract 9
- 230000003014 reinforcing effect Effects 0.000 claims description 48
- 125000006850 spacer group Chemical group 0.000 claims description 23
- 238000005728 strengthening Methods 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 abstract 2
- 238000005096 rolling process Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 19
- 239000010959 steel Substances 0.000 description 19
- 230000002787 reinforcement Effects 0.000 description 15
- 238000000465 moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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Abstract
The invention discloses a front conveying device of a square pile reinforcing steel bar framework roll welding machine. The front conveying device is located in the front of the roll welding machine and comprises at least one conveying unit. Each conveying unit comprises an installment support arranged longitudinally; two or three conveying subunits arranged in parallel up and down are arranged on one side of each installment support; each conveying subunit comprises a supporting shaft and a plurality of sliding shaft sleeves; a partition sleeve is arranged between every two adjacent sliding shaft sleeves; the sliding shaft sleeves and the partition sleeves are all arranged on the supporting shafts; a rolling bearing is arranged on two end portions of each sliding shaft sleeve and a rolling bearing is arranged between the supporting shafts; the supporting shafts are arranged on the installment supports respectively; a reinforcing steel bar placing groove surrounding the periphery of each shaft sleeve is arranged on the outer surface of each sliding shaft sleeve; reinforcing steel bars are placed inside the reinforcing steel bar placing grooves. The front conveying device of the square pile reinforcing steel bar framework roll welding machine can easily and conveniently convey the reinforcing steel bars in a labor-saving mode and can satisfy requirements of several kinds of reinforcing steel bar frameworks of different sizes for reinforcing steel bar conveying.
Description
Technical field
The present invention relates to the front feedway of a kind of square pile reinforced bar skeleton seam welder.
Background technology
Prefabricated strong concrete square pile reinforcing cage master muscle adopts the HRB400 screw-thread steel, the automatic seam-welding moulding, and time saving and energy saving, quality easily is protected.In the roll welding manufacturing line of steel reinforcement cage, roughly need butt welding-polishing-blanking-technological processes such as roll welding moulding, in the roll welding forming process, the equipment used mainly contains reinforcing bar rack, roll welder and draw gear, wherein, the reinforcing bar rack is positioned at the place ahead of roll welder, for to the roll welder conveying steel, draw gear is positioned at the rear of roll welder, for constantly rearward drawing through the framework of steel reinforcement of roll welder roll welding moulding.Yet, because the reinforcing bar rack is simple in structure, only possess reinforcing bar and place function, add the characteristics that reinforcing bar length is long, weight is large, make draw gear traction effort.Based on this, prior art need to further be improved.
Summary of the invention
The object of the invention is to propose the front feedway of a kind of square pile reinforced bar skeleton seam welder, can effectively solve the above-mentioned technical matters existed in prior art, the conveying steel Portable power saving.
To achieve these goals, the present invention adopts following technical scheme:
Feedway before a kind of square pile reinforced bar skeleton seam welder, be positioned at the place ahead of roll welder, comprises at least one supply unit; Each supply unit, include mounting bracket, and mounting bracket vertically arranges, and is provided with in a side of mounting bracket the conveying subelement that two or three are upper and lower arrangement in parallel; Each carries subelement, comprise a pivot shaft and several sliding shaft sleeves, between every adjacent two sliding shaft sleeves, a spacer is set, sliding shaft sleeve and spacer all are nested with on pivot shaft, between two ends of each sliding shaft sleeve and pivot shaft, an antifriction-bearing box is set respectively, pivot shaft is arranged on mounting bracket; On the outside face of each sliding shaft sleeve, be provided with a reinforcing bar standing groove around one week of sliding shaft sleeve, reinforcing bar is positioned at reinforcing bar standing groove inside; The below of mounting bracket is provided with the criss-cross base, and mounting bracket is that integral type is connected with the criss-cross base, and the bottom of mounting bracket is arranged in the criss-cross base in the heart; Between mounting bracket and criss-cross base, be provided with a strengthening frame, strengthening frame is obliquely installed, and carries subelement and strengthening frame to be positioned at the same side of mounting bracket.
Further, feedway before described square pile reinforced bar skeleton seam welder, comprise at least two supply units, each supply unit reinforcing bar move towards on direction be yi word pattern and arrange.
Further, on described mounting bracket, be provided with two and carry subelement; Each carries subelement, on pivot shaft, is equipped with two sliding shaft sleeves and is distributed in two end positions of pivot shaft; Spacer adjustable in length between two sliding shaft sleeves.
Further, on described mounting bracket, be provided with three and carry subelement; Each carries subelement, on pivot shaft, is equipped with three sliding shaft sleeves, and one of them sliding shaft sleeve is positioned at the midway location of pivot shaft, two end positions that are distributed in pivot shaft of remaining two sliding shaft sleeve symmetry; Spacer length between every adjacent two sliding shaft sleeves all can be regulated.
Described pivot shaft is provided with the pivot shaft mount pad with the end that is connected of mounting bracket, pivot shaft is fixed on the pivot shaft mount pad, on the pivot shaft mount pad, be provided with the first mounting hole group formed by several mounting holes, corresponding the first mounting hole group is provided with from top to bottom tactic the second mounting hole groups of many groups on mounting bracket, and the bolts assemblies of pivot shaft mount pad by penetrating the first mounting hole group and the second mounting hole group is to mounting bracket.
Advantage of the present invention is:
Feedway before reinforced bar skeleton seam welder in the present invention, be provided with at least one supply unit, each supply unit comprises that two or three are the conveying subelement of upper and lower arrangement in parallel, each carries subelement, comprise a pivot shaft and several sliding shaft sleeves, a spacer is set, the adjustable in length of spacer between every adjacent two sliding shaft sleeves, pivot shaft and sliding shaft sleeve bearing fit, front feedway conveying steel Portable power saving; In addition, on the outside face of sliding shaft sleeve, be provided with the reinforcing bar standing groove, reinforcing bar is placed in reinforcing bar standing groove inside, simultaneously, on mounting bracket, be provided with from top to bottom tactic the second mounting hole group of many groups, convenient subelement height and position and adjacent two adjustment of carrying the subelement spacing on mounting bracket, the setting of the setting of spacer and many groups the second mounting hole group, the demand that the framework of steel reinforcement that makes front feedway can meet several different sizes is carried for reinforcing bar of respectively carrying.
The accompanying drawing explanation
Fig. 1 is the constructional drawing of the front feedway of square pile reinforced bar skeleton seam welder in the embodiment of the present invention 1;
Fig. 2 is the constructional drawing of the front feedway of square pile reinforced bar skeleton seam welder in the embodiment of the present invention 2.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
Embodiment 1
In conjunction with shown in Figure 1, feedway before a kind of square pile reinforced bar skeleton seam welder, be positioned at the place ahead of roll welder, comprises at least one supply unit, is responsible for the reinforcing bar after the butt welding polishing is transported to roll welder.When the required reinforcing bar length of framework of steel reinforcement more in short-term, a supply unit can be set, bar splicing is between roll welder and this supply unit; When the required reinforcing bar length of framework of steel reinforcement is longer, two or more supply units can be set, and each supply unit reinforcing bar move towards on direction be yi word pattern and arrange, with the directivity that guarantees that reinforcing bar is carried.
Supply unit, include mounting bracket 101, and mounting bracket vertically arranges, below mounting bracket, be provided with criss-cross base 102, mounting bracket is that integral type is connected with the criss-cross base, and the bottom of mounting bracket is arranged in the criss-cross base in the heart, and the stability of strutting system of mounting bracket is high.For further strengthening the stability of strutting system of mounting bracket, a strengthening frame 103 can also be set between mounting bracket and criss-cross base, strengthening frame is obliquely installed, and all adopts and is welded to connect between strengthening frame 103 and mounting bracket and strengthening frame and criss-cross base.Certainly, the criss-cross base in the present invention can also replace with plinth, cup dolly etc.
104, two, the conveying subelement that is provided with two levels on mounting bracket 101 carries subelement to be upper and lower arrangement in parallel, carries subelement 104 and strengthening frame 103 to be positioned at the same side of mounting bracket.Each carries subelement 104, comprise a pivot shaft 105 and two sliding shaft sleeves 106, two sliding shaft sleeves 106 are distributed in two end positions of pivot shaft, a spacer 109 is set between two sliding shaft sleeves, sliding shaft sleeve 106 and spacer 109 all are nested with on pivot shaft, two ends and pivot shaft among at each sliding shaft sleeve 106 arrange an antifriction-bearing box, guarantee that sliding shaft sleeve 106 rotates around pivot shaft 105, pivot shaft is arranged on mounting bracket, and it is vertical that the length direction of sliding shaft sleeve and reinforcing bar move towards direction; On the outside face of each sliding shaft sleeve, be provided with a reinforcing bar standing groove 108 around one week of sliding shaft sleeve, the setting party of reinforcing bar standing groove is to overlapping with the direction of moving towards of reinforcing bar, and reinforcing bar is placed in reinforcing bar standing groove inside.Concrete, pivot shaft 105 is provided with pivot shaft mount pad 107 with the end that is connected of mounting bracket 101, pivot shaft is fixed on the pivot shaft mount pad, on the pivot shaft mount pad, be provided with the first mounting hole group formed by several mounting holes, corresponding the first mounting hole group is provided with from top to bottom tactic the second mounting hole groups of many groups on mounting bracket, and the bolts assemblies of pivot shaft mount pad by penetrating the first mounting hole group and the second mounting hole group is to mounting bracket.Due to the setting of many groups the second mounting hole group, make each carry subelement to carry the distance between subelement to regulate in the position height on mounting bracket and two.
The pivot shaft mount pad, can be designed as toroidal, is preferably designed for square shape, at four corner locations of pivot shaft mount pad, a mounting hole is set respectively, and four mounting holes are common forms the first above-mentioned mounting hole groups.Quantity, size and the relative position relation of inner each mounting hole of the relative position relation between the mounting hole quantity of the second mounting hole group inside, size and each mounting hole and the first mounting hole group are identical.
The demands of carrying for reinforcing bar in order to adapt to many group frameworks of steel reinforcement, the adjustable in length of design spacer 109, namely adopt the scalable spacer 109 of length, or spacer 109 disposes several different length specifications and changes.By regulating the length of spacer 109, to change two gap size between sliding shaft sleeve 106, and then can meet the delivery requirements of the framework of steel reinforcement with several different in width.Feedway is suitable for the situation that framework of steel reinforcement is comprised of four reinforcing bars before roll welder in the present embodiment 1, and four reinforcing bars are respectively as four side edges of framework of steel reinforcement.It should be noted that, each sliding shaft sleeve 106 in the present embodiment 1 is independent of each other with respect to the slip of pivot shaft 105.
Embodiment 2
In conjunction with shown in Figure 2, feedway before a kind of square pile reinforced bar skeleton seam welder, be positioned at the place ahead of roll welder, comprises at least one supply unit, is responsible for the reinforcing bar after the butt welding polishing is transported to roll welder.When the required reinforcing bar length of framework of steel reinforcement more in short-term, a supply unit can be set, bar splicing is between roll welder and this supply unit; When the required reinforcing bar length of framework of steel reinforcement is longer, two or more supply units can be set, and each supply unit reinforcing bar move towards on direction be yi word pattern and arrange, with the directivity that guarantees that reinforcing bar is carried.
Supply unit, include mounting bracket 201, and mounting bracket vertically arranges, below mounting bracket, be provided with criss-cross base 202, mounting bracket is that integral type is connected with the criss-cross base, and the bottom of mounting bracket is arranged in the criss-cross base in the heart, and the stability of strutting system of mounting bracket is high.For further strengthening the stability of strutting system of mounting bracket, a strengthening frame 203 can also be set between mounting bracket and criss-cross base, strengthening frame is obliquely installed, and all adopts and is welded to connect between strengthening frame 203 and mounting bracket and strengthening frame and criss-cross base.Certainly, the criss-cross base in the present invention can also replace with plinth, cup dolly etc.
204, three, the conveying subelement that is provided with three levels on mounting bracket carries subelement to be upper and lower arrangement in parallel, carries subelement 204 and strengthening frame 203 to be positioned at the same side of mounting bracket.Each carries subelement 204, comprise a pivot shaft 205 and three sliding shaft sleeves 206, one of them sliding shaft sleeve is positioned at the midway location of pivot shaft, two end positions that are distributed in pivot shaft of remaining two sliding shaft sleeve symmetry, between every adjacent two sliding shaft sleeves, a spacer 209 is set, sliding shaft sleeve and spacer 209 all are nested with on pivot shaft, two ends and pivot shaft among at each sliding shaft sleeve arrange an antifriction-bearing box, guarantee that sliding shaft sleeve 206 rotates around pivot shaft 205, pivot shaft is arranged on mounting bracket, it is vertical that the length direction of sliding shaft sleeve and reinforcing bar move towards direction, on the outside face of each sliding shaft sleeve, be provided with a reinforcing bar standing groove 208 around one week of sliding shaft sleeve, the setting party of reinforcing bar standing groove is to overlapping with the direction of moving towards of reinforcing bar, and reinforcing bar is placed in reinforcing bar standing groove inside.Concrete, pivot shaft is provided with pivot shaft mount pad 207 with the end that is connected of mounting bracket, pivot shaft is fixed on the pivot shaft mount pad, on the pivot shaft mount pad, be provided with the first mounting hole group formed by several mounting holes, corresponding the first mounting hole group is provided with from top to bottom tactic the second mounting hole groups of many groups on mounting bracket, and the bolts assemblies of pivot shaft mount pad by penetrating the first mounting hole group and the second mounting hole group is to mounting bracket.Due to the settings of many groups the second mounting hole group, make each carry subelement to carry the distance between subelement to regulate the position height on mounting bracket and three.
The pivot shaft mount pad, can be designed as toroidal, is preferably designed for square shape, at four corner locations of pivot shaft mount pad, a mounting hole is set respectively, and four mounting holes are common forms the first above-mentioned mounting hole groups.Quantity, size and the relative position relation of inner each mounting hole of the relative position relation between the mounting hole quantity of the second mounting hole group inside, size and each mounting hole and the first mounting hole group are identical.
The demands of carrying for reinforcing bar in order to adapt to many group frameworks of steel reinforcement, the adjustable in length of design spacer 209, namely adopt the scalable spacer 209 of length, or spacer 209 disposes several different length specifications and changes.By regulating the length of spacer 209, to change two gap size between sliding shaft sleeve 206, and then can meet the delivery requirements of the framework of steel reinforcement with several different in width.Before roll welder in the present embodiment 2, feedway is suitable for the situation that framework of steel reinforcement is comprised of eight reinforcing bars, and wherein four reinforcing bars are respectively as four side edges of framework of steel reinforcement, and other four reinforcing bars lay respectively at the midway location of two often adjacent side edge reinforcing bars.It should be noted that, each sliding shaft sleeve 206 in the present embodiment 2 is independent of each other with respect to the slip of pivot shaft 205.
Claims (5)
1. feedway before a square pile reinforced bar skeleton seam welder, be positioned at the place ahead of roll welder, it is characterized in that, comprises at least one supply unit; Each supply unit, include mounting bracket, and mounting bracket vertically arranges, and is provided with in a side of mounting bracket the conveying subelement that two or three are upper and lower arrangement in parallel; Each carries subelement, comprise a pivot shaft and several sliding shaft sleeves, between every adjacent two sliding shaft sleeves, a spacer is set, sliding shaft sleeve and spacer all are nested with on pivot shaft, between two ends of each sliding shaft sleeve and pivot shaft, an antifriction-bearing box is set respectively, pivot shaft is arranged on mounting bracket; On the outside face of each sliding shaft sleeve, be provided with a reinforcing bar standing groove around one week of sliding shaft sleeve, reinforcing bar is positioned at reinforcing bar standing groove inside; The below of mounting bracket is provided with the criss-cross base, and mounting bracket is that integral type is connected with the criss-cross base, and the bottom of mounting bracket is arranged in the criss-cross base in the heart; Between mounting bracket and criss-cross base, be provided with a strengthening frame, strengthening frame is obliquely installed, and carries subelement and strengthening frame to be positioned at the same side of mounting bracket.
2. feedway before a kind of square pile reinforced bar skeleton seam welder according to claim 1, it is characterized in that, feedway before described square pile reinforced bar skeleton seam welder, comprise at least two supply units, each supply unit reinforcing bar move towards on direction be yi word pattern and arrange.
3. feedway before a kind of square pile reinforced bar skeleton seam welder according to claim 1, is characterized in that, on described mounting bracket, is provided with two and carries subelement; Each carries subelement, on pivot shaft, is equipped with two sliding shaft sleeves and is distributed in two end positions of pivot shaft; Spacer adjustable in length between two sliding shaft sleeves.
4. feedway before a kind of square pile reinforced bar skeleton seam welder according to claim 1, is characterized in that, on described mounting bracket, is provided with three and carries subelement; Each carries subelement, on pivot shaft, is equipped with three sliding shaft sleeves, and one of them sliding shaft sleeve is positioned at the midway location of pivot shaft, two end positions that are distributed in pivot shaft of remaining two sliding shaft sleeve symmetry; Spacer length between every adjacent two sliding shaft sleeves all can be regulated.
5. feedway before a kind of square pile reinforced bar skeleton seam welder according to claim 1, it is characterized in that, described pivot shaft is provided with the pivot shaft mount pad with the end that is connected of mounting bracket, pivot shaft is fixed on the pivot shaft mount pad, on the pivot shaft mount pad, be provided with the first mounting hole group formed by several mounting holes, corresponding the first mounting hole group is provided with from top to bottom tactic the second mounting hole groups of many groups on mounting bracket, and the bolts assemblies of pivot shaft mount pad by penetrating the first mounting hole group and the second mounting hole group is to mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310301602.6A CN103407721B (en) | 2013-07-15 | 2013-07-15 | Feedway before a kind of square pile reinforced bar skeleton seam welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310301602.6A CN103407721B (en) | 2013-07-15 | 2013-07-15 | Feedway before a kind of square pile reinforced bar skeleton seam welder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103407721A true CN103407721A (en) | 2013-11-27 |
| CN103407721B CN103407721B (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310301602.6A Expired - Fee Related CN103407721B (en) | 2013-07-15 | 2013-07-15 | Feedway before a kind of square pile reinforced bar skeleton seam welder |
Country Status (1)
| Country | Link |
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| CN (1) | CN103407721B (en) |
Citations (10)
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|---|---|---|---|---|
| GB640868A (en) * | 1948-09-18 | 1950-08-02 | Ernest Smart | Improved conveyor apparatus |
| CN1082504A (en) * | 1992-08-01 | 1994-02-23 | 成都无缝钢管厂 | Triplex steel pipe conveyer |
| CN1229792A (en) * | 1999-02-01 | 1999-09-29 | 华东理工大学 | Novel aromatic diamine chain stretching agent, its prepn. method and applications |
| CN2476359Y (en) * | 2001-04-18 | 2002-02-13 | 林德勤 | Strong spring square roller frame |
| CN201023924Y (en) * | 2007-04-02 | 2008-02-20 | 杨晓荣 | Steel pipe core stick storing rack |
| CN201079898Y (en) * | 2007-09-20 | 2008-07-02 | 姚纪恒 | Split positioning parting sleeve device |
| CN201272616Y (en) * | 2008-09-12 | 2009-07-15 | 均豪精密工业股份有限公司 | Multistage combined conveying apparatus |
| US20090196721A1 (en) * | 2003-05-19 | 2009-08-06 | James Thiel | Multi-lift for lifting and storing motorcycles and other vehicles |
| CN103043366A (en) * | 2012-11-06 | 2013-04-17 | 裴志胜 | Novel tubular belt conveyor |
| CN203345563U (en) * | 2013-07-15 | 2013-12-18 | 青岛兴河建材有限公司 | Square pile reinforcement skeleton seam welder front conveyer |
-
2013
- 2013-07-15 CN CN201310301602.6A patent/CN103407721B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB640868A (en) * | 1948-09-18 | 1950-08-02 | Ernest Smart | Improved conveyor apparatus |
| CN1082504A (en) * | 1992-08-01 | 1994-02-23 | 成都无缝钢管厂 | Triplex steel pipe conveyer |
| CN1229792A (en) * | 1999-02-01 | 1999-09-29 | 华东理工大学 | Novel aromatic diamine chain stretching agent, its prepn. method and applications |
| CN2476359Y (en) * | 2001-04-18 | 2002-02-13 | 林德勤 | Strong spring square roller frame |
| US20090196721A1 (en) * | 2003-05-19 | 2009-08-06 | James Thiel | Multi-lift for lifting and storing motorcycles and other vehicles |
| CN201023924Y (en) * | 2007-04-02 | 2008-02-20 | 杨晓荣 | Steel pipe core stick storing rack |
| CN201079898Y (en) * | 2007-09-20 | 2008-07-02 | 姚纪恒 | Split positioning parting sleeve device |
| CN201272616Y (en) * | 2008-09-12 | 2009-07-15 | 均豪精密工业股份有限公司 | Multistage combined conveying apparatus |
| CN103043366A (en) * | 2012-11-06 | 2013-04-17 | 裴志胜 | Novel tubular belt conveyor |
| CN203345563U (en) * | 2013-07-15 | 2013-12-18 | 青岛兴河建材有限公司 | Square pile reinforcement skeleton seam welder front conveyer |
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| Publication number | Publication date |
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| CN103407721B (en) | 2015-08-19 |
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Owner name: CHINA UNIVERSITY OF PETROLEUM AST CHINA Free format text: FORMER OWNER: QINGDAO XINGHE BUILDING MATERIAL CO., LTD. Effective date: 20150518 Owner name: QINGDAO XINGHE BUILDING MATERIAL CO., LTD. Effective date: 20150518 |
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Inventor after: Chen Jinping Inventor after: Wang Fengmin Inventor after: Tian Bin Inventor after: Deng Guowei Inventor after: Xing Zhengtao Inventor after: Wang Chuanbo Inventor after: Zhang Xuesong Inventor after: Liu Xiaoyan Inventor after: Sui Yuewen Inventor after: LAN Gong Feng Inventor after: Diao Shuhong Inventor after: durm Inventor after: Hou Xinghua Inventor before: Chen Jinping Inventor before: Wang Chuanbo Inventor before: Sui Yuewen Inventor before: LAN Gong Feng Inventor before: Hou Xinghua Inventor before: Wang Fengmin Inventor before: Deng Guowei Inventor before: Tian Bin Inventor before: Xing Zhengtao |
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Free format text: CORRECT: INVENTOR; FROM: CHEN JINPING WANG CHUANBO SUI YUEWEN LAN GONGFENG HOU XINGHUA WANG FENGMIN DENG GUOWEI TIAN BIN XING ZHENGTAO TO: CHEN JINPING WANG CHUANBO ZHANG XUESONG LIU XIAOYAN SUI YUEWEN LAN GONGFENG DIAO SHUHONG XIAO BING HOU XINGHUA WANG FENGMIN TIAN BIN DENG GUOWEI XING ZHENGTAO |
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Effective date of registration: 20150518 Address after: 266555 Qingdao economic and Technological Development Zone, Changjiang Road, No. 66, Shandong Applicant after: CHINA University OF PETROLEUM (EAST CHINA) Applicant after: QINGDAO XINGHE BUILDING MATERIAL Co.,Ltd. Address before: 266409 Qingdao, Huangdao District, the town of the town of Wang Bo Industrial Park Applicant before: QINGDAO XINGHE BUILDING MATERIAL Co.,Ltd. |
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