CN108890515B - Replaceable sander roller - Google Patents
Replaceable sander roller Download PDFInfo
- Publication number
- CN108890515B CN108890515B CN201810859411.4A CN201810859411A CN108890515B CN 108890515 B CN108890515 B CN 108890515B CN 201810859411 A CN201810859411 A CN 201810859411A CN 108890515 B CN108890515 B CN 108890515B
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- CN
- China
- Prior art keywords
- abrasive cloth
- sander
- roller
- cylinder
- roll
- 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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- 239000004744 fabric Substances 0.000 claims abstract description 117
- 230000007704 transition Effects 0.000 claims abstract description 7
- 229910001651 emery Inorganic materials 0.000 claims description 25
- 239000000853 adhesive Substances 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000009537 plain noodles Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a sander accessory, in particular to a replaceable sander roller, which mainly solves the technical problems of troublesome overall replacement and poor operation convenience of the existing sander roller and comprises a roller body, wherein first shaft bodies are arranged at two ends of the roller body, the replaceable sander roller also comprises a sandcloth roll, a fixed rocker arm, a positioning pin and a limiting screw, an axially-penetrating groove is formed in the surface of the roller body in a concave manner, two sides of the bottom of the groove and the surface of the roller body form an arc transition surface, and the sandcloth roll is embedded in the groove; compared with the traditional sander roller structure, the sander roller structure has the advantages that the abrasive cloth roll is arranged on the surface of the roller body, the abrasive cloth rolled on the abrasive cloth roll is bonded on the roller body by ingeniously utilizing the quick and easy-to-use characteristic of magic adhesion, and the fixed rocker arm, the positioning pin, the limiting screw and the limiting hole are additionally arranged on the sander roller structure to realize radial locking and rotation locking of the abrasive cloth roll, so that the function of replacing the abrasive cloth at any time is realized.
Description
Technical Field
The invention relates to a sander accessory, in particular to a replaceable sander roller.
Background
Sanding and grinding are terms agreed, and refer to a method for achieving standards by means of physically removing materials and objects which are uneven, uneven in thickness and not in accordance with technological requirements through abrasive cloth, grinding wheels, abrasive paper, scouring pad, non-woven fabric polishing wheels and the like, so that the materials and the objects are smooth and even, the thicknesses of the materials and the objects are uniform, and the technology is applied to various veneering process production, standard structural member manufacturing, toy handicraft industry, decoration and furniture industry, floor and wallboard building material industry and the like.
The invention discloses a sander, which is mechanical equipment used for finishing sanding work, relates to a wide variety of industries, and has the advantages that a traditional sander structure generally drives a roller and gauze to rotate through a transmission system so as to achieve the purpose of sanding the surface of an object.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to practical requirements, and provide a replaceable sander roller, which mainly solves the technical problems of troublesome overall replacement and poor operation convenience of the existing sander roller.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
an alternative sander roller comprises a roller body, first shaft bodies arranged at two ends of the roller body, an abrasive cloth roll, a fixed rocker arm, a positioning pin and a limiting screw, the surface of the cylinder body is recessed inwards to form a groove which penetrates in the axial direction, two sides of the bottom of the groove and the surface of the cylinder body form arc transition surfaces, the abrasive cloth roll is embedded in the groove and comprises a second shaft body and abrasive cloth wound on the second shaft body, the end part of the second shaft is also provided with a protruded clamping block, a circle of limiting holes are arranged around the clamping block, one end of the fixed rocker arm is rotationally connected with the cylinder body through a rotating part, the other end of the fixed rocker arm is provided with a bayonet, a limiting screw is further arranged on one side of the bayonet, a pin hole is further formed in the center of the fixed rocker arm, a positioning hole is correspondingly formed in the end face of the barrel, and the free end of the abrasive cloth on the abrasive cloth roll is drawn out and then covers the surface of the barrel;
the fixed rocker arm rotates inwards, the bayonet locks the clamping block and passes through the pin hole and the positioning hole through the positioning pin to lock the abrasive cloth roll in the radial direction of the barrel, and the abrasive cloth roll locked in the radial direction further limits the abrasive cloth roll to rotate under the combined action of the limiting hole and the limiting screw on the fixed rocker arm.
Is more preferable; the elastic cushion layer is arranged below the abrasive cloth covering area on the surface of the barrel, and a buffering action layer can be formed between the barrel and the abrasive cloth through selection of the elastic cushion layer with proper thickness.
Is more preferable; the elastic cushion layer is made of polyurethane, the elastic cushion layer has the characteristics of strong wear resistance, high elasticity and shock absorption, and the material characteristics of the elastic cushion layer can completely meet the use environment of the abrasive cloth roll.
Is more preferable; one side of the cylinder body, which is close to the emery cloth roll-out end in the groove, is provided with an axial shear groove.
Is more preferable; the grooves, the abrasive cloth rolls and the fixed rocker arms are in a plurality of numbers and are symmetrically distributed along the circumference of the cylinder body, and the symmetrical distribution can enable the weight distribution to be uniform in the rotation of the cylinder body and reduce shaking factors.
Is more preferable; the emery cloth is provided with a thin and soft fiber layer, a self-adhesive strip with a hard barbed hair with hooks is arranged on the surface of the arc transition surface between the barrel body and the bottom of the groove, the free end of the emery cloth is drawn out and then covers the surface of the barrel body and is adhered to the self-adhesive strip, the part not only utilizes the characteristic that magic adhesive is convenient for adhering and tearing, but also can increase the stability of the emery cloth and the barrel body, and prevents the emery cloth from being stressed and deviated in the rotating process of the barrel body.
Is more preferable; the first axis body of barrel is driven by the motor and is rotated, the surface of barrel rotates to the self-adhesion strip direction along the direction of taking out of emery cloth book, and this direction of rotation is unanimous with the direction of taking out of emery cloth book, can guarantee the roughness of its emery cloth at the rotation in-process.
The use method and the working principle are as follows:
before use, firstly, an abrasive cloth roll is installed in a groove on a cylinder body, the free end of a fixed rocker arm is rotated to enable a bayonet to clamp clamping blocks at two ends of the abrasive cloth roll, then a positioning pin is inserted into a pin hole and the positioning hole to prevent the abrasive cloth roll from falling off, the end of the abrasive cloth on the abrasive cloth roll is found out, an appropriate length of abrasive cloth is drawn out to cover the surface of the cylinder body, an adhesive strip is bonded with the end of the abrasive cloth, the abrasive cloth roll is rotated reversely to enable the abrasive cloth on the surface of the cylinder body to be flat and tight, and the abrasive cloth roll is locked by matching of a limiting screw at the end of the fixed rocker arm and the limiting hole to prevent the abrasive cloth; in the normal use, along with the surface of barrel rotate to the self-adhesion strip direction along the direction of taking out of emery cloth book, utilize the emery cloth on barrel surface and treat the work piece contact of processing, accomplish sand light process, after using a period, wearing and tearing need be changed appear in the naked emery cloth section, utilize the cutter to cut off the emery cloth along the shear groove, abandon old emery cloth section, take suitable length out again and bond on the barrel from gluing the strip, the change of completion emery plain noodles, whole process is swift and convenient operation.
The invention has the beneficial effects that:
1. compared with the traditional sander roller structure, the scheme has the advantages that the abrasive cloth roll is placed on the surface of the roller body, the abrasive cloth rolled on the abrasive cloth roll is bonded on the roller body by ingeniously utilizing the quick and easy-to-use characteristic of magic adhesion, and the fixed rocker arm, the positioning pin, the limiting screw and the limiting hole are additionally arranged on the basis to realize radial locking and rotation locking of the abrasive cloth roll, so that the function of replacing the abrasive cloth at any time is realized;
2. the traditional sander usually adopts a hard surface, and the scheme preferably adds a polyurethane layer on the surface of the cylinder body, so that the contact between the abrasive cloth and the surface of a workpiece is soft, the abrasive cloth can be ensured to be tightly attached to the cylinder body, and the efficiency of the subsequent sanding process is improved;
3. the abrasive cloth roll has large sand storage amount, and compared with the traditional problem that the whole replacement of an abrasive cloth piece is troublesome, the problem that the abrasive cloth roll is frequently replaced is avoided, the whole operation is convenient, and the replacement time can be saved;
4. the abrasive cloth shearing groove is additionally arranged, so that the cutting efficiency of the waste abrasive cloth is improved.
Drawings
FIG. 1 is a schematic view of the roller structure of the sander;
FIG. 2 is a schematic view of an abrasive cloth roll structure;
fig. 3 is a schematic diagram of the structure position of the elastic cushion layer.
Detailed Description
The invention will be further illustrated with reference to the accompanying figures 1-3 and examples.
Example 1
A replaceable sander roller comprises a roller body 1, a first shaft body 2 is arranged at two ends of the roller body 1, an abrasive cloth roll 3, a fixed rocker arm 4, a positioning pin 5 and a limiting screw 6 are further included, a groove 1-1 which penetrates axially is formed in the surface of the roller body 1 in a concave mode, two sides of the bottom of the groove 1-1 and the surface of the roller body form an arc transition surface, the abrasive cloth roll 3 is embedded into the groove 1-1, the abrasive cloth roll 3 comprises a second shaft body 3-1 and abrasive cloth 3-2 which is rolled on the second shaft body 3-1, a protruding clamping block 3-3 is further arranged at the end portion of the second shaft body 3-1, a circle of limiting holes 3-4 are formed in the periphery of the clamping block 3-3, one end of the fixed rocker arm 4 is rotatably connected with the roller body 1 through a rotating member 7, a bayonet 4-1 is arranged at the other end of the fixed rocker arm, the center of the fixed rocker arm 4 is also provided with a pin hole, the end surface of the cylinder body 1 is correspondingly provided with a positioning hole, and the free end of the abrasive cloth 3-2 on the abrasive cloth roll 3 is drawn out and then covers the surface of the cylinder body 1; the fixed rocker arm 4 rotates inwards, the bayonet 4-1 clamps the clamping block 3-3 and locks the abrasive cloth roll 3 in the radial direction of the barrel body through the pin hole and the positioning hole by the positioning pin 5, the radially locked abrasive cloth roll 3 further limits the rotation of the abrasive cloth roll 3 through the combined action of the limiting hole 3-4 and the limiting screw 6 on the fixed rocker arm 4, and aiming at the limiting screw, the mode that a threaded hole is formed in the fixed rocker arm and is in threaded connection with the limiting screw can be adopted, and the rotation of the abrasive cloth roll 3 is limited after the screw screwing-in end part of the screw extends into the limiting hole 3-4; the structure similar to the matching structure of the sliding claw sleeve and the push rod in the pressing type ball-point pen and the guide rail can also be adopted, namely, the refill in the ball-point pen is changed into a screw, and the effect of limiting the rotation of the abrasive cloth roll 3 after the refill extends into the limiting hole 3-4 in a self-locking state after being pressed can also be realized; an elastic cushion layer 8 is arranged below the abrasive cloth covering area on the surface of the barrel 1; the elastic cushion layer 8 is made of polyurethane; an axial shearing groove 1-2 is formed in one side, close to the abrasive cloth drawing-out end of the abrasive cloth roll in the groove 1-1, of the cylinder body 1; the grooves 1-1, the abrasive cloth rolls 3 and the fixed rocker arms 4 are a plurality of in number and are symmetrically distributed along the circumference of the cylinder 1; the abrasive cloth 3-2 is provided with a thin and soft fiber layer, the arc transition surface between the barrel body 1 and the bottom of the groove 1-1 is provided with a self-adhesive strip 9 with a hard hook burr on the surface, the free end of the abrasive cloth 3-2 is drawn out and then covers the surface of the barrel body and is adhered with the self-adhesive strip 9, and besides the magic adhesion mode, the abrasive cloth can also cover the barrel body through back glue coating or other combination modes to keep the abrasive cloth not to fall off; the first axis body 2 of barrel is driven by the motor and is rotated, and the surface of barrel 1 rotates to the 9 directions of self-adhesion strip along the direction of taking out of emery cloth book 3.
The use method and the working principle are as follows:
before use, firstly, an abrasive cloth roll is installed in a groove on a cylinder body, the free end of a fixed rocker arm is rotated to enable a bayonet to clamp clamping blocks at two ends of the abrasive cloth roll, then a positioning pin is inserted into a pin hole and the positioning hole to prevent the abrasive cloth roll from falling off, the end of the abrasive cloth on the abrasive cloth roll is found out, an appropriate length of abrasive cloth is drawn out to cover the surface of the cylinder body, an adhesive strip is bonded with the end of the abrasive cloth, the abrasive cloth roll is rotated reversely to enable the abrasive cloth on the surface of the cylinder body to be flat and tight, and the abrasive cloth roll is locked by matching of a limiting screw at the end of the fixed rocker arm and the limiting hole to prevent the abrasive cloth; in the normal use, along with the surface of barrel rotate to the self-adhesion strip direction along the direction of taking out of emery cloth book, utilize the emery cloth on barrel surface and treat the work piece contact of processing, accomplish sand light process, after using a period, wearing and tearing need be changed appear in the naked emery cloth section, utilize the cutter to cut off the emery cloth along the shear groove, abandon old emery cloth section, take suitable length out again and bond on the barrel from gluing the strip, the change of completion emery plain noodles, whole process is swift and convenient operation.
Compared with the traditional sander roller structure, the scheme has the advantages that the abrasive cloth roll is placed on the surface of the roller body, the abrasive cloth rolled on the abrasive cloth roll is bonded on the roller body by ingeniously utilizing the quick and easy-to-use characteristic of magic adhesion, and the fixed rocker arm, the positioning pin, the limiting screw and the limiting hole are additionally arranged on the basis to realize radial locking and rotation locking of the abrasive cloth roll, so that the function of replacing the abrasive cloth at any time is realized; the traditional sander usually adopts a hard surface, and the scheme preferably adds a polyurethane layer on the surface of the cylinder body, so that the contact between the abrasive cloth and the surface of a workpiece is soft, the abrasive cloth can be ensured to be tightly attached to the cylinder body, and the efficiency of the subsequent sanding process is improved; the abrasive cloth roll has large sand storage amount, and compared with the traditional problem that the whole replacement of an abrasive cloth piece is troublesome, the problem that the abrasive cloth roll is frequently replaced is avoided, the whole operation is convenient, and the replacement time can be saved; the abrasive cloth shearing groove is additionally arranged, so that the cutting efficiency of the waste abrasive cloth is improved.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (7)
1. An alternative sander roller comprises a roller body, wherein two ends of the roller body are provided with first shaft bodies, it is characterized by also comprising a gauze roll, a fixed rocker arm, a positioning pin and a limit screw, wherein the surface of the cylinder is internally concave to form a groove which axially penetrates, the two sides of the bottom of the groove and the surface of the cylinder body form arc transition surfaces, the abrasive cloth roll is embedded in the groove, the abrasive cloth roll comprises a second shaft body and abrasive cloth rolled on the second shaft body, a protruded clamping block is further arranged at the end part of the second shaft body, a circle of limiting holes are arranged around the clamping block, one end of the fixed rocker arm is rotatably connected with the cylinder body through a rotating piece, the other end of the fixed rocker arm is provided with a bayonet, one side of the bayonet is also provided with a limit screw, the center of the fixed rocker arm is also provided with a pin hole, the end surface of the cylinder body is correspondingly provided with a positioning hole, and the free end of the abrasive cloth on the abrasive cloth roll is drawn out and then covers the surface of the cylinder body;
the fixed rocker arm rotates inwards, the bayonet locks the clamping block and passes through the pin hole and the positioning hole through the positioning pin to lock the abrasive cloth roll in the radial direction of the barrel, and the abrasive cloth roll locked in the radial direction further limits the abrasive cloth roll to rotate under the combined action of the limiting hole and the limiting screw on the fixed rocker arm.
2. The replaceable sander cylinder as set forth in claim 1; an elastic cushion layer is arranged on the surface of the cylinder body below the abrasive cloth covering area.
3. The replaceable sander cylinder as set forth in claim 2; the elastic cushion layer is made of polyurethane.
4. The replaceable sander cylinder as set forth in claim 1; one side of the cylinder body, which is close to the emery cloth roll-out end in the groove, is provided with an axial shear groove.
5. The replaceable sander cylinder as set forth in claim 1; the grooves, the abrasive cloth rolls and the fixed rocker arms are a plurality of in number and are symmetrically distributed along the circumference of the cylinder body.
6. The replaceable sander cylinder as set forth in claim 1; the emery cloth is provided with a thin and soft fiber layer, a self-adhesive strip with a hard barbed hair with hooks is arranged on the surface of the arc-shaped transition surface between the barrel body and the bottom of the groove, and the free end of the emery cloth is drawn out and then covers the surface of the barrel body and is adhered to the self-adhesive strip.
7. The replaceable sander cylinder as set forth in claim 1; the first axis body of barrel is driven by the motor and is rotated, the surface of barrel rotates to the self-adhesion strip direction along the direction of taking out of emery cloth book.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859411.4A CN108890515B (en) | 2018-08-01 | 2018-08-01 | Replaceable sander roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859411.4A CN108890515B (en) | 2018-08-01 | 2018-08-01 | Replaceable sander roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108890515A CN108890515A (en) | 2018-11-27 |
| CN108890515B true CN108890515B (en) | 2019-12-31 |
Family
ID=64352927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810859411.4A Active CN108890515B (en) | 2018-08-01 | 2018-08-01 | Replaceable sander roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108890515B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873004B (en) * | 2020-12-01 | 2022-03-22 | 九江职业技术学院 | High-efficient grinding device of product for engineering design |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173138Y (en) * | 1993-09-30 | 1994-08-03 | 魏世正 | Pneumatic elastic finishing device |
| CN2183852Y (en) * | 1994-01-27 | 1994-11-30 | 林益奖 | Improved displaceable abrasive disk |
| JP2000052256A (en) * | 1998-07-31 | 2000-02-22 | Minnesota Mining & Mfg Co <3M> | Dispenser |
| CN2574831Y (en) * | 2002-10-21 | 2003-09-24 | 王添旺 | Fully closed four wheel motor car |
| CN1739918A (en) * | 2005-09-22 | 2006-03-01 | 叶兴康 | Grinding wheel with replaceable abrasive cloth strip |
| CN203045548U (en) * | 2012-12-29 | 2013-07-10 | 广东联邦家私集团有限公司 | Specially-shaped abrasive wheel |
-
2018
- 2018-08-01 CN CN201810859411.4A patent/CN108890515B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173138Y (en) * | 1993-09-30 | 1994-08-03 | 魏世正 | Pneumatic elastic finishing device |
| CN2183852Y (en) * | 1994-01-27 | 1994-11-30 | 林益奖 | Improved displaceable abrasive disk |
| JP2000052256A (en) * | 1998-07-31 | 2000-02-22 | Minnesota Mining & Mfg Co <3M> | Dispenser |
| CN2574831Y (en) * | 2002-10-21 | 2003-09-24 | 王添旺 | Fully closed four wheel motor car |
| CN1739918A (en) * | 2005-09-22 | 2006-03-01 | 叶兴康 | Grinding wheel with replaceable abrasive cloth strip |
| CN203045548U (en) * | 2012-12-29 | 2013-07-10 | 广东联邦家私集团有限公司 | Specially-shaped abrasive wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108890515A (en) | 2018-11-27 |
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Effective date of registration: 20201222 Address after: Office 2, building 2, commercial and residential building, No. 68, Bayi Fourth Avenue, Zhanggong District, Ganzhou City, Jiangxi Province Patentee after: Jiangxi Jisi Intellectual Property Operation Co.,Ltd. Address before: 242300 group 9, Dongpo village, Zhongxi Town, Ningguo City, Xuancheng City, Anhui Province Patentee before: ANHUI HAIFUXIANG RUBBER Co.,Ltd. |
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Effective date of registration: 20201229 Address after: Room 303, 3rd floor, West, building 16, electronic information industrial park, heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Patentee after: Ningguo Jisi Intellectual Property Operation Co.,Ltd. Address before: Office 2, building 2, commercial and residential building, No. 68, Bayi Fourth Avenue, Zhanggong District, Ganzhou City, Jiangxi Province Patentee before: Jiangxi Jisi Intellectual Property Operation Co.,Ltd. |
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Denomination of invention: A replacement sanding machine drum Effective date of registration: 20230529 Granted publication date: 20191231 Pledgee: Ningguo SME financing Company limited by guarantee Pledgor: Ningguo Jisi Intellectual Property Operation Co.,Ltd. Registration number: Y2023980041961 |
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Date of cancellation: 20231227 Granted publication date: 20191231 Pledgee: Ningguo SME financing Company limited by guarantee Pledgor: Ningguo Jisi Intellectual Property Operation Co.,Ltd. Registration number: Y2023980041961 |
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