CN105479293A - Grinding machine provided with dust suction device - Google Patents
Grinding machine provided with dust suction device Download PDFInfo
- Publication number
- CN105479293A CN105479293A CN201610056623.XA CN201610056623A CN105479293A CN 105479293 A CN105479293 A CN 105479293A CN 201610056623 A CN201610056623 A CN 201610056623A CN 105479293 A CN105479293 A CN 105479293A
- Authority
- CN
- China
- Prior art keywords
- dust
- sander
- exhaust apparatus
- collecting box
- dust exhaust
- 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.)
- Granted
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/18—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of wood
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- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a grinding machine provided with a dust suction device. The grinding machine comprises a grinding machine casing, a grinding wheel and a power device, wherein the power device is arranged in an inner cavity of the grinding machine casing and connected with a rotation assembly, the grinding wheel is arranged on the rotation assembly, a dust collection device is arranged between the grinding wheel and the grinding machine casing and connected with the dust suction device, the dust suction device is arranged in the inner cavity of the grinding machine casing, both the dust suction device and the power device are connected with a power interface and a storage battery, and the storage battery is arranged in the inner cavity of the grinding machine casing. The dust collection device is arranged between the grinding wheel and the grinding machine casing, so that sawdust or dust produced during grinding can be collected by the dust collection device, the labor intensity for dust removal is reduced, the effect of the sawdust or the dust on health of operators is also reduced, the collected sawdust or dust can be recycled, and resources are saved.
Description
Technical field
The present invention relates to a kind of sander with dust exhaust apparatus, belong to grinding-polishing field.
Background technology
At present, the burr that wooden workpiece is formed in process, the general sander that adopts is polished.Existing sander, generally drive friction pulley by motor, during use, to the wooden workpiece of polishing be needed to contact with friction pulley, the wood chip formed in bruting process or dust just fly away in environment around, cause environmental pollution, not only have a strong impact on the healthy of operator, and polishing formed wood chip or dust fly away in the environment, being both not easy to sweep, is also a kind of waste of resource.
Summary of the invention
The object of the invention is to, provide a kind of sander with dust exhaust apparatus, the wood chip produced when this sander can collect polishing or dust, minimizing wood chip or dust are on the impact of operator's health.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of sander with dust exhaust apparatus, comprise sander housing, emery wheel and power set, power set are built in the cavity position of sander housing, and be connected with rotary components, rotary components is provided with emery wheel, dust catcher is provided with between emery wheel and sander housing, dust catcher is connected with dust exhaust apparatus, dust exhaust apparatus is built in the inner chamber of sander housing, dust exhaust apparatus is all connected with power interface with power set, dust exhaust apparatus is also all connected with battery with power set, built-in storage battery is in the inner chamber of sander housing.Power set driven rotary assembly, rotary components drives emery wheel to rotate, and emery wheel can be replaced gauze assembly.Power set comprise motor, after switching on power, motor high-speed rotation, can the blower fan of simultaneously driven rotary assembly and dust exhaust apparatus rotate, blade in the impeller of dust exhaust apparatus constantly does work to air, air is made to obtain energy, and discharge blower fan with high speed, air in the dust collecting port of blower fan front end supplements the air in impeller continuously, make to form moment vacuum in dust collecting port, namely in dust collecting port, a quite high Negative Pressure Difference is defined with external atmosphere pressure, under the effect of this Negative Pressure Difference, the wood chip making sweep-up pipe other or dust enter dust-collecting box through sweep-up pipe along with air-flow.Through the filtration of the built-in filter of dust-collecting box, wood chip or dust are trapped in dust-collecting box, and air is after filter, by the exhaust duct be communicated with dust-collecting box, discharges through exhaust vent.
Aforesaid a kind of sander with dust exhaust apparatus, described dust catcher comprises dustproof shell and dust-collecting box, is provided with at least 1 sweep-up pipe between dustproof shell and dust-collecting box, and one end of sweep-up pipe is communicated with dustproof shell, and the other end is communicated with dust-collecting box.The wood chip upwards flown upward that polishing produces or dust are stopped by dustproof shell, avoid the wood chip that flies upward or dust contacts with the direct of operating personnel's face, simultaneously due to the effect of dust exhaust apparatus, wood chip or dust are attracted to dust-collecting box through sweep-up pipe, make it can not disperse in atmosphere, concentrated in dust-collecting box, so that cleaning and recycling.
Aforesaid a kind of sander with dust exhaust apparatus, described dust-collecting box is annular dust-collecting box.
Aforesaid a kind of sander with dust exhaust apparatus, described dust-collecting box is provided with annular lid, and annular lid comprises A semi-ring lid and B semi-ring lid, and the L shape end face of A semi-ring lid is provided with groove, the L shape end face of B semi-ring lid is provided with projection, in projection grafting and groove.Dust-collecting box is set to the volume that annular can reduce sander entirety, makes it lighter, flexible, annular lid is set to the connected structure of A semi-ring lid and B semi-ring lid, both convenient, firmly, can stop that again wood chip or dust shed dust-collecting box.
Aforesaid a kind of sander with dust exhaust apparatus, is provided with negative electrode flat thin magnet, projection is provided with anode flat thin magnet in described groove.
Aforesaid a kind of sander with dust exhaust apparatus, described sander housing is provided with rotary switch, and rotary switch is connected with power set.
Aforesaid a kind of sander with dust exhaust apparatus, described sander housing is provided with dust suction switch, and dust suction switch is connected with dust exhaust apparatus.
Aforesaid a kind of sander with dust exhaust apparatus, the afterbody of described sander housing is provided with exhaust vent.
Compared with prior art, the present invention by arranging dust catcher between emery wheel and sander housing, the wood chip produced when can collect polishing or dust, not only reduce the labour intensity sweeping dirt bits, and also reduce wood chip or dust to the impact of the health of operator, collected wood chip or dust recoverable, economize on resources.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of A semi-ring lid of the present invention;
Fig. 3 is the structural representation of B semi-ring lid of the present invention.
Reference numeral: 1-sander housing, 2-emery wheel, 3-power set, 4-rotary components, 5-gathering-device, 6-dust exhaust apparatus, 7-power interface, 8-dustproof shell, 9-dust-collecting box, 10-sweep-up pipe, 11-annular lid, 12-A semi-ring lid, 13-B semi-ring lid, 14-groove, 15-projection, 16-negative electrode flat thin magnet, 17-anode flat thin magnet, 18-rotary switch, 19-dust suction switch, 20-exhaust vent, 21-battery.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Detailed description of the invention
Embodiments of the invention 1: a kind of sander with dust exhaust apparatus, comprise sander housing 1, emery wheel 2 and power set 3, power set 3 are built in the cavity position of sander housing 1, and be connected with rotary components 4, rotary components 4 is provided with emery wheel 2, is provided with dust catcher 5 between emery wheel 2 and sander housing 1, dust catcher 5 is connected with dust exhaust apparatus 6, dust exhaust apparatus 6 is built in the inner chamber of sander housing 1, and dust exhaust apparatus 6 is all connected with power interface 7 with power set 3.Power set 3 comprise motor, after switching on power, motor high-speed rotation, can the blower fan of simultaneously driven rotary assembly 4 and dust exhaust apparatus 6 rotate, blade in the impeller of dust exhaust apparatus 6 constantly does work to air, air is made to obtain energy, and discharge blower fan with high speed, air in the dust collecting port of blower fan front end supplements the air in impeller continuously, make to form moment vacuum in dust collecting port, namely in dust collecting port, a quite high Negative Pressure Difference is defined with external atmosphere pressure, under the effect of this Negative Pressure Difference, the wood chip making sweep-up pipe 10 other or dust enter dust-collecting box 9 through sweep-up pipe 10 along with air-flow.Through the filtration of the built-in filter of dust-collecting box 9, wood chip or dust are trapped in dust-collecting box 9, and air is after filter, by the exhaust duct be communicated with dust-collecting box 9, discharges through exhaust vent 20.Dust catcher 5 comprises dustproof shell 8 and dust-collecting box 9, is provided with 8 sweep-up pipes 10 between dustproof shell 8 and dust-collecting box 9, and one end of sweep-up pipe 10 is communicated with dustproof shell 8, and the other end is communicated with dust-collecting box 9.Dust-collecting box 9 is annular dust-collecting box.Dust-collecting box 9 is provided with annular lid 11, the L shape end face L shape end face that annular lid 11 comprises A semi-ring lid 12 and B semi-ring lid 13, A semi-ring lid 12 being provided with groove 14, B semi-ring lid 13 is provided with projection 15, in projection 15 grafting and groove 14.Dust-collecting box 9 is set to the volume that annular can reduce sander entirety, makes it lighter, flexible, annular lid 11 is set to the connected structure of A semi-ring lid 12 and B semi-ring lid 13, both convenient, firmly, can stop that again wood chip or dust shed dust-collecting box 9.Sander housing 1 is provided with rotary switch 18, rotary switch 18 is connected with power set 3.Sander housing 1 is provided with dust suction switch 19, dust suction switch 19 is connected with dust exhaust apparatus 6.The afterbody of sander housing 1 is provided with exhaust vent 20.
Embodiments of the invention 2: a kind of sander with dust exhaust apparatus, comprise sander housing 1, emery wheel 2 and power set 3, power set 3 are built in the cavity position of sander housing 1, and be connected with rotary components 4, rotary components 4 is provided with emery wheel 2, is provided with dust catcher 5 between emery wheel 2 and sander housing 1, dust catcher 5 is connected with dust exhaust apparatus 6, dust exhaust apparatus 6 is built in the inner chamber of sander housing 1, and dust exhaust apparatus 6 is all connected with power interface 7 with power set 3.Power set 3 driven rotary assembly 4, rotary components 4 drives emery wheel 2 to rotate, and emery wheel 2 can be replaced gauze assembly.Power set 3 comprise motor, after switching on power, motor high-speed rotation, can the blower fan of simultaneously driven rotary assembly 4 and dust exhaust apparatus 6 rotate, blade in the impeller of dust exhaust apparatus 6 constantly does work to air, air is made to obtain energy, and discharge blower fan with high speed, air in the dust collecting port of blower fan front end supplements the air in impeller continuously, make to form moment vacuum in dust collecting port, namely in dust collecting port, a quite high Negative Pressure Difference is defined with external atmosphere pressure, under the effect of this Negative Pressure Difference, the wood chip making sweep-up pipe 10 other or dust enter dust-collecting box 9 through sweep-up pipe 10 along with air-flow.Through the filtration of the built-in filter of dust-collecting box 9, wood chip or dust are trapped in dust-collecting box 9, and air is after filter, by the exhaust duct be communicated with dust-collecting box 9, discharges through exhaust vent 20.Dust catcher 5 comprises dustproof shell 8 and dust-collecting box 9, is provided with 8 sweep-up pipes 10 between dustproof shell 8 and dust-collecting box 9, and one end of sweep-up pipe 10 is communicated with dustproof shell 8, and the other end is communicated with dust-collecting box 9.Dust-collecting box 9 is annular dust-collecting box.Dust-collecting box 9 is provided with annular lid 11, the L shape end face L shape end face that annular lid 11 comprises A semi-ring lid 12 and B semi-ring lid 13, A semi-ring lid 12 being provided with groove 14, B semi-ring lid 13 is provided with projection 15, in projection 15 grafting and groove 14.Be provided with negative electrode flat thin magnet 16 in circular groove 14, projection 15 be provided with anode flat thin magnet 17.Dust-collecting box 9 is set to the volume that annular can reduce sander entirety, makes it lighter, flexible, annular lid 11 is set to the connected structure of A semi-ring lid 12 and B semi-ring lid 13, both convenient, firmly, can stop that again wood chip or dust shed dust-collecting box 9.Sander housing 1 is provided with rotary switch 18, rotary switch 18 is connected with power set 3.Sander housing 1 is provided with dust suction switch 19, dust suction switch 19 is connected with dust exhaust apparatus 6.The afterbody of sander housing 1 is provided with exhaust vent 20.
Embodiments of the invention 3: a kind of sander with dust exhaust apparatus, comprise sander housing 1, emery wheel 2 and power set 3, power set 3 are built in the cavity position of sander housing 1, and be connected with rotary components 4, rotary components 4 is provided with emery wheel 2, dust catcher 5 is provided with between emery wheel 2 and sander housing 1, dust catcher 5 is connected with dust exhaust apparatus 6, dust exhaust apparatus 6 is built in the inner chamber of sander housing 1, dust exhaust apparatus 6 is all connected with power interface 7 with power set 3, dust exhaust apparatus 6 is also all connected with battery 21 with power set 3, battery 21 is built in the inner chamber of sander housing 1, battery 21 is connected with power interface 7.Power set 3 comprise motor, after switching on power, motor high-speed rotation, can the blower fan of simultaneously driven rotary assembly 4 and dust exhaust apparatus 6 rotate, blade in the impeller of dust exhaust apparatus 6 constantly does work to air, air is made to obtain energy, and discharge blower fan with high speed, air in the dust collecting port of blower fan front end supplements the air in impeller continuously, make to form moment vacuum in dust collecting port, namely in dust collecting port, a quite high Negative Pressure Difference is defined with external atmosphere pressure, under the effect of this Negative Pressure Difference, the wood chip making sweep-up pipe 10 other or dust enter dust-collecting box 9 through sweep-up pipe 10 along with air-flow.The filtration of 9 filters put in dust-collecting box, wood chip or dust are trapped in dust-collecting box 9, and air is after filter, by the exhaust duct be communicated with dust-collecting box 9, discharges through exhaust vent 20.Dust catcher 5 comprises dustproof shell 8 and dust-collecting box 9, is provided with 8 sweep-up pipes 10 between dustproof shell 8 and dust-collecting box 9, and one end of sweep-up pipe 10 is communicated with dustproof shell 8, and the other end is communicated with dust-collecting box 9.Dust-collecting box 9 is annular dust-collecting box.Dust-collecting box 9 is provided with annular lid 11, annular lid 11 comprises A semi-ring lid 12 and B semi-ring lid 13, the L shape end face L shape end face of A semi-ring lid 12 being provided with groove 14, B semi-ring lid 13 is provided with cylindric projection 15, in the grafting of cylindric projection 15 and circular groove 14.Dust-collecting box 9 is set to the volume that annular can reduce sander entirety, make it lighter, flexible, annular lid 11 is set to the connected structure of A semi-ring lid 12 and B semi-ring lid 13, both convenient, firmly, can stop that again wood chip or dust shed dust-collecting box 9.Be provided with negative electrode flat thin magnet 16 in circular groove 14, projection 15 be provided with anode flat thin magnet 17.Sander housing 1 is provided with rotary switch 18, rotary switch 18 is connected with power set 3.Sander housing 1 is provided with dust suction switch 19, dust suction switch 19 is connected with dust exhaust apparatus 6.The afterbody of sander housing 1 is provided with exhaust vent 20.
Operation principle of the present invention: power interface 7 is connected with external power supply, or the battery 21 using sander housing 1 built-in is as power supply.Operating personnel hold sander housing 1 position, open rotary switch 18, power set 3 driven rotary assembly 4, and rotary components 4 drives emery wheel 2 to rotate; Open dust suction switch 19, dust exhaust apparatus 6 is started working, emery wheel 2 contacts with the face that is polished of wooden workpiece and polishes, the wood chip upwards flown upward that polishing produces or dust are stopped by dustproof shell 8, avoid itself and operating personnel's direct facial contact, wood chip or dust are attracted to dust-collecting box through sweep-up pipe 10 simultaneously.After dust-collecting box 9 is full, opens annular lid 11 by the mode be separated with B semi-ring lid 13 by A semi-ring lid 12, then the wood chip in dust-collecting box 9 or dust are cleared.
Claims (8)
1. the sander with dust exhaust apparatus, it is characterized in that, comprise sander housing (1), emery wheel (2) and power set (3), described power set (3) are built in the cavity position of sander housing (1), and be connected with rotary components (4), described rotary components (4) is provided with emery wheel (2), dust catcher (5) is provided with between described emery wheel (2) and sander housing (1), described dust catcher (5) is connected with dust exhaust apparatus (6), described dust exhaust apparatus (6) is built in the inner chamber of sander housing (1), described dust exhaust apparatus (6) is all connected with power interface (7) with power set (3), described dust exhaust apparatus (6) is also all connected with battery (21) with power set (3), described battery (21) is built in the inner chamber of described sander housing (1).
2. a kind of sander with dust exhaust apparatus according to claim 1, it is characterized in that, described dust catcher (5) comprises dustproof shell (8) and dust-collecting box (9), at least 1 sweep-up pipe (10) is provided with between described dustproof shell (8) and dust-collecting box (9), one end of described sweep-up pipe (10) is communicated with dustproof shell (8), and the other end is communicated with dust-collecting box (9).
3. a kind of sander with dust exhaust apparatus according to claim 2, is characterized in that, described dust-collecting box (9) is annular dust-collecting box.
4. a kind of sander with dust exhaust apparatus according to claim 3, it is characterized in that, described dust-collecting box (9) is provided with annular lid (11), described annular lid (11) comprises A semi-ring lid (12) and B semi-ring lid (13), the L shape end face of described A semi-ring lid (12) is provided with groove (14), the L shape end face of described B semi-ring lid (13) is provided with projection (15), in (15) grafting of described projection and described groove (14).
5. a kind of sander with dust exhaust apparatus according to claim 4, it is characterized in that, be provided with negative electrode flat thin magnet (16) in described groove (14), described projection (15) be provided with anode flat thin magnet (17).
6. a kind of sander with dust exhaust apparatus according to claim 4 or 5, it is characterized in that, described sander housing (1) is provided with rotary switch (18), and described rotary switch (18) is connected with power set (3).
7. a kind of sander with dust exhaust apparatus according to claim 6, it is characterized in that, described sander housing (1) is provided with dust suction switch (19), and described dust suction switch (19) is connected with dust exhaust apparatus (6).
8. a kind of sander with dust exhaust apparatus according to claim 7, is characterized in that, the afterbody of described sander housing (1) is provided with exhaust vent (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610056623.XA CN105479293B (en) | 2016-01-27 | 2016-01-27 | A kind of sander with dust exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610056623.XA CN105479293B (en) | 2016-01-27 | 2016-01-27 | A kind of sander with dust exhaust apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105479293A true CN105479293A (en) | 2016-04-13 |
| CN105479293B CN105479293B (en) | 2018-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610056623.XA Active CN105479293B (en) | 2016-01-27 | 2016-01-27 | A kind of sander with dust exhaust apparatus |
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| Country | Link |
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| CN (1) | CN105479293B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112368111A (en) * | 2018-06-28 | 2021-02-12 | 罗伯特·博世有限公司 | Grinding block for manual application and system comprising grinding block and grinding tool |
| CN113770920A (en) * | 2021-09-14 | 2021-12-10 | 中船黄埔文冲船舶有限公司 | Dust extraction and polisher of polisher |
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| CN2456888Y (en) * | 2000-12-25 | 2001-10-31 | 郑明信 | Exhaust structure of pneumatic grinder |
| CN2765720Y (en) * | 2005-03-07 | 2006-03-22 | 张强 | Multifunctional environment-friendly type hand-held plan rubbing machine |
| CN203210150U (en) * | 2013-04-12 | 2013-09-25 | 雅安市弘利展化工有限公司 | Self-dust-suction type polishing machine |
| DE202014104588U1 (en) * | 2014-09-25 | 2014-10-14 | Metabowerke Gmbh | Machine tool and support structure for this |
| CN204546213U (en) * | 2015-01-07 | 2015-08-12 | 天津市诚田丰金属制品有限公司 | A kind of device of metal surface of polishing |
| CN205325372U (en) * | 2016-01-27 | 2016-06-22 | 湖州南浔双林振森实木加工厂 | Sander with dust sucking device |
-
2016
- 2016-01-27 CN CN201610056623.XA patent/CN105479293B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2456888Y (en) * | 2000-12-25 | 2001-10-31 | 郑明信 | Exhaust structure of pneumatic grinder |
| CN2765720Y (en) * | 2005-03-07 | 2006-03-22 | 张强 | Multifunctional environment-friendly type hand-held plan rubbing machine |
| CN203210150U (en) * | 2013-04-12 | 2013-09-25 | 雅安市弘利展化工有限公司 | Self-dust-suction type polishing machine |
| DE202014104588U1 (en) * | 2014-09-25 | 2014-10-14 | Metabowerke Gmbh | Machine tool and support structure for this |
| CN204546213U (en) * | 2015-01-07 | 2015-08-12 | 天津市诚田丰金属制品有限公司 | A kind of device of metal surface of polishing |
| CN205325372U (en) * | 2016-01-27 | 2016-06-22 | 湖州南浔双林振森实木加工厂 | Sander with dust sucking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112368111A (en) * | 2018-06-28 | 2021-02-12 | 罗伯特·博世有限公司 | Grinding block for manual application and system comprising grinding block and grinding tool |
| CN113770920A (en) * | 2021-09-14 | 2021-12-10 | 中船黄埔文冲船舶有限公司 | Dust extraction and polisher of polisher |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105479293B (en) | 2018-11-16 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20181008 Address after: 312368 Shangyu Road, Shaoxing, Zhejiang Province Road Street Industrial Zone Applicant after: Shaoxing Shangyu Yitong communication equipment Co.,Ltd. Address before: 313012 Qiao Bei Tai, East Shuang Lin village, Shuang Lin Town, Nanxun District, Huzhou, Zhejiang, China Applicant before: HUZHOU NANXUN SHUANGLIN ZHENSEN WOOD PROCESSING FACTORY |
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Effective date of registration: 20230117 Address after: 312300 Dao Xu Zhen Gu Zhu Cun, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: Shaoxing Chuangxin Metal Products Co.,Ltd. Address before: 312368 Shangyu Road, Shaoxing, Zhejiang Province Road Street Industrial Zone Patentee before: Shaoxing Shangyu Yitong communication equipment Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A polishing machine with a vacuum cleaner Granted publication date: 20181116 Pledgee: Daoxu Sub-branch of Zhejiang Shangyu Rural Commercial Bank Co.,Ltd. Pledgor: Shaoxing Chuangxin Metal Products Co.,Ltd. Registration number: Y2024330000960 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |