CN108818247A - A kind of glass post-processing corner grinding device - Google Patents
A kind of glass post-processing corner grinding device Download PDFInfo
- Publication number
- CN108818247A CN108818247A CN201810761444.5A CN201810761444A CN108818247A CN 108818247 A CN108818247 A CN 108818247A CN 201810761444 A CN201810761444 A CN 201810761444A CN 108818247 A CN108818247 A CN 108818247A
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- CN
- China
- Prior art keywords
- gear
- casing
- glass
- handle
- groove
- 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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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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of glass post-processing corner grinding devices,Including casing,Positioning device,Transmission device and grinding wheel,Bottom of shell side both ends are respectively equipped with positioning device,Positioning device includes bull stick,Rack gear,Grip block,Pulley and rotation button,Rack gear bottom offers the first tooth form,The end of rack gear is fixedly connected with grip block,Grip block inner rotation connects pulley,The second tooth form is offered on the outside of bull stick,The fixed rotation button in the end of bull stick,Rotation button is connect by bull stick with racks turn,Chassis cavity is equipped with transmission device,Transmission device includes motor,First gear and second gear,The output shaft first gear of motor is fixedly connected,Second gear engages connection with first gear,The outer wall of rotation axis is fixed with connector,Connector is connect by first gear and second gear with motor drive,The outside of connector is threadedly coupled with grinding wheel.The present invention positions glass by positioning device, drives the grinding wheel on connector to polish glass corner by motor.
Description
Technical field
The present invention relates to glass post-processing technical field of tools, specially a kind of glass post-processing corner grinding device.
Background technique
Glass edge-grinding machine is that earliest and one of maximum mechanical equipment of dosage is generated in glass deep processing equipment.Main function
It is to polish the corner of glass, and make some special shapes.
Glass edge-grinding machine mainly realizes the grinding-polishing of glass, the emery wheel of glass edge-grinding machine by grinding head motor and emery wheel
Equipped with multiple groups, grinding head motor is also correspondingly arranged on multiple groups, independently controls the normal operation of each emery wheel.Glass edge-grinding machine
Internal structure is complicated, and occupied space is big, and operating consumes a large amount of electric energy, is suitble to batch machining polishing glass corner.
Glass in glass post-processing sometimes for specific dimensions is processed, the glass edge extracted with glass marking knife
Angle is very coarse, needs to polish smooth corner, for general small lot glass, if it is complete to continue to use glass edge-grinding machine
At work, needs in advance to place an order to glass producer and arrange production, the time of finishing can be extended, and costly.
Summary of the invention
The purpose of the present invention is to provide a kind of glass post-processing corner grinding devices, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of glass post-processing corner grinding device, packet
Casing, positioning device, transmission device and grinding wheel are included, the bottom of shell is connected with handle, offers on the inside of the handle recessed
Line；
Bottom of shell side both ends are respectively equipped with positioning device, and the positioning device includes bull stick, rack gear, grip block, cunning
Wheel and rotation button, the rack gear bottom offer the first tooth form, and the rack gear level runs through the outer wall and and casing of casing side
It being flexibly connected, the end of the rack gear is fixedly connected with grip block, and the grip block inside is rotatably connected to pulley by shaft,
The second tooth form to match with the first tooth form is offered on the outside of the bull stick, the end of the bull stick is fixed with rotation button, institute
Rotation button is stated to connect by bull stick with racks turn；
Transmission device is installed at the top of the chassis cavity, the transmission device includes motor, first gear and second gear, institute
The output shaft for stating motor is fixedly connected by shaft coupling with first gear, and the second gear engages connection, institute with first gear
It states and is fixed with rotation axis at the central axis of second gear side, the rotation axis is fixed with connector through the outer wall of casing, described
Connector is connect by first gear and second gear with motor drive；
The outside of the connector is threadedly coupled with grinding wheel, is equipped with protective cover on the outside of the grinding wheel, the protective cover by bolt with
Casing is fixedly connected, and the protective cover is semicircular shell, and its top offers opening.
Preferably, there are four the dimpled grain opens up, and the finger grip of itself and human body matches.
Preferably, outer wall of the casing close to motor side offers heat release hole.
Preferably, the casing is equipped with switch far from the side of dimpled grain, and the switch is electrically connected by conducting wire with motor
It connects.
Preferably, cabinet top side outer wall is horizontally fixed with first handle, and the first handle is straight-tube shape knot
Structure, the first handle side wall are equipped with anti-skidding ripple abrasive rubber layer.
Preferably, cabinet top two sides outer wall is respectively fixed with second handle, and the second handle is U-shaped structure,
Anti-skidding ripple is equipped on the inside of the second handle.
Preferably, distance is 5mm between the outside wheel face of the grinding wheel and the inner wall of protective cover.
Preferably, the first groove is offered on the outside of the grinding wheel, first groove is V-structure, first groove
The broad-ruler at top and the thickness of glass match, and the two sides of first groove are equipped with inclined-plane, first groove
Bottom is equipped with circular arc.
Preferably, the second groove is offered on the outside of the grinding wheel, second groove is U-shaped structure, second groove
Width dimensions and the thickness of glass match, the two sides of second groove, which are equipped with, to be faced directly, the bottom of second groove
Portion two sides are equipped with chamfering.
Preferably, the grinding wheel is made of diamond dust consolidation.
Compared with prior art, the beneficial effects of the invention are as follows：
1, it by rotation rotation button, and then stretches with carry-over bar, two pulleys at bottom of shell side both ends are resisted against institute simultaneously
On the glass to be polished, to it is required processing polishing glass carry out positioning adjusting, prevent polishing when cannot hold well with
The distance of glass corner is switched by opening, controls the starting of motor, and motor drives first gear rotation, second gear and the
The engagement connection of one gear, and then second gear is driven to rotate by the connector that rotation axis is fixedly connected, the outside of connector and grinding wheel
It is threadedly coupled, so that grinding wheel be driven to rotate, polishes the glass of required processing polishing, the will be offered on the outside of grinding wheel
One groove does not need to be polished with glass edge-grinding machine convenient for the corner for glass of polishing, and saves the working time.
2, by offering the first groove, the broad-ruler of the first groove top and the thickness of glass on the outside of grinding wheel
Match, the two sides of the first groove are equipped with inclined-plane, and convenient be oriented to glass is polished, and the bottom of the first groove is equipped with circular arc, are convenient for
The corner of glass is polished into fillet.
3, by offering the second groove on the outside of grinding wheel, by the thickness phase of the width dimensions of the second groove and glass
Matching, the two sides of the second groove, which are equipped with, to be faced directly, and the two sides of the bottom of the second groove are equipped with chamfering, convenient for the corner of glass to be polished into
With gradient chamfering, in order to meet customer requirement, the gradient of chamfering be can be set between 30~60.
4, by the way that cabinet top two sides outer wall is respectively fixed with second handle, second handle is U-shaped structure, second handle
Inside is equipped with anti-skidding ripple, and operator can carry out sanding operation, double-grip with the second handle of double-grip casing two sides
Firmly uniformly, it is positioned by the adjusting of positioning device, cooperates double-grip, polished more steady, the corner polished is more beautiful
It sees.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is structure of the invention side view；
Fig. 3 is another embodiment overall structure diagram；
Fig. 4 is another example structure side view.
In figure：1- casing；11- handle；12- dimpled grain；13- heat release hole；14- first handle；15- second handle；16- is opened
It closes；2- positioning device；21- bull stick；22- rack gear；23- grip block；24- shaft；25- pulley；The first tooth form of 26-；27- rotation
Button；The second tooth form of 28-；3- transmission device；31- motor；32- conducting wire；33- shaft coupling；34- first gear；35- second gear；
36- rotation axis；4- grinding wheel；41- connector；The first groove of 42-；The inclined-plane 43-；44- circular arc；45- protective cover；The second groove of 46-；
47- is faced directly；48- chamfering.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1, referring to Fig. 1, the present invention provides a kind of technical solution：A kind of glass post-processing corner polishing dress
It sets, including casing 1, positioning device 2, transmission device 3 and grinding wheel 4, is connected with handle 11 in 1 bottom of casing, by left hand when use
Catch handle 11, the inside of handle 11 offers dimpled grain 12, dimpled grain 12 is total open up there are four, and the finger grip of itself and human body
Match, meet ergonomic designs, convenient for grasping.
Referring to Fig. 2, being horizontally fixed with first handle 14 in 1 top side outer wall of casing, first handle 14 is straight-tube shape
Structure, 14 side wall of first handle are equipped with anti-skidding ripple abrasive rubber layer, by right-hand grip first handle 14 when use.Pass through left hand
Handle 11 is grasped, right-hand grip first handle 14 can preferably use the present apparatus.
Referring to Fig. 1, being respectively equipped with positioning device 2 at 1 bottom side both ends of casing, positioning device 2 includes bull stick 21, tooth
22 bottom of rack gear is offered the first tooth form 26 by item 22, grip block 23, pulley 25 and rotation button 27, and rack gear 22 is horizontal to run through machine
It the outer wall of 1 side of shell and is flexibly connected with casing 1,1 side of casing of installation rack gear 22 is provided with rack gear 22 and limits loose slot, prevents
Only rack gear 22 cannot be movable in the horizontal direction, is fixedly connected with grip block 23 in the end of rack gear 22, passes through inside grip block 23
Shaft 24 is rotatably connected to pulley 25, and when work, two pulleys 25 at 1 bottom side both ends of casing are resisted against to be polished simultaneously
Glass on, glass is positioned, prevent polishing when cannot hold well at a distance from glass corner.
The second tooth form 28 to match with the first tooth form 26 is offered in the outside of bull stick 21, the end of bull stick 21 is fixed with
Rotation button 27, rotation button 27 are rotatablely connected by bull stick 21 and rack gear 22.By rotating rotation button 27, and then stretched with carry-over bar 22
Contracting carries out positioning adjusting to the glass of required processing polishing；
Referring to Fig. 1, being equipped with transmission device 3 in 1 inner cavity top of casing, transmission device 3 includes motor 31,34 and of first gear
Second gear 35 offers heat release hole 13 in outer wall of the casing 1 close to 31 side of motor, the output shaft of motor 31 is passed through shaft coupling
Device 33 is fixedly connected with first gear 34, and second gear 35 engages connection with first gear 34, at 35 side center of second gear
Rotation axis 36 is fixed at axis, rotation axis 36 is fixed with connector 41 through the outer wall of casing 1, and connector 41 passes through first gear 34
It is sequentially connected with second gear 35 and motor 31.
Switch 16 is installed far from the side of dimpled grain 12 in casing 1, switch 16 is electrically connected by conducting wire 32 and motor 31,
By opening switch 16, the starting of motor 31 is controlled, motor drives first gear 34 to rotate, and then second gear 35 is driven to pass through
The connector 41 that rotation axis 36 is fixedly connected rotates.
The outside of connector 41 is threadedly coupled with grinding wheel 4, grinding wheel 4 is made of diamond dust consolidation, diamond dust also known as silicon carbide
It is with quartz sand, petroleum coke（Or coal tar）, sawdust（It needs to add salt when producing green silicon carbide）Equal raw materials pass through resistance furnace height
Temperature is smelted.Silicon carbide has that stable chemical performance, thermal coefficient are high, thermal expansion coefficient is small, wear-resisting property is good, and is carbonized
The hardness of silicon is very big, and Mohs' hardness is 9.5 grades, is only second to diamond most hard in the world（10 grades）.
Protective cover 45 is equipped on the outside of grinding wheel 4, protective cover 45 is fixedly connected by bolt with casing 1, and protective cover 45 is half
Circular shell, and its top offers opening, polish glass corner when glass chip will be from the discharge of the opening at top, will not be right
Operator grasps handle 11 and the finger arm of first handle 14 damages.
5mm is set by distance between the outside wheel face of grinding wheel 4 and the inner wall of protective cover 45, is reserved enough to glass chip
Discharge space, the inner wall of the grinding wheel 4 and protective cover 45 that are also prevented from rotation grinds away 45 shell of protective cover after generating collision.
The first groove 42, the broad-ruler at 42 top of the first groove and the thickness of glass are offered in the outside of grinding wheel 4
Match, the two sides of the first groove 42 are equipped with inclined-plane, and convenient be oriented to glass is polished, and the bottom of the first groove 42 is equipped with circular arc
44, convenient for the corner of glass is polished into fillet.
After the completion of the polishing of glass corner, it can be polished by hand-held polishing machine, polishing wheel required for polishing is sea
The soft wheel bodys such as continuous wheel, wool ball.
In use, by rotation rotation button 27, and then, two cunnings at casing 1 bottom side both ends flexible with carry-over bar 22
Wheel 25 is resisted against on the glass to be polished simultaneously, positioning adjusting is carried out to the glass of required processing polishing, when preventing polishing
It cannot hold well at a distance from glass corner, by opening switch 16, control the starting of motor 31, motor drives the first tooth
34 rotation of wheel, second gear 35 engage connection with first gear 34, and then second gear 35 is driven to connect by the way that rotation axis 36 is fixed
The connector 41 connect rotates, and the outside of connector 41 is threadedly coupled with grinding wheel 4, so that grinding wheel 4 be driven to rotate, polishes required processing
Glass polish, the outside of grinding wheel 4 is offered into the first groove 42, convenient for polish glass corner.
Embodiment 2, referring to Fig. 3, on the basis of embodiment 1, the second groove 46 is offered on the outside of grinding wheel 4, by
The width dimensions of two grooves 46 and the thickness of glass match, and the two sides of the second groove 46, which are equipped with, faces 47 directly, the second groove
46 two sides of the bottom are equipped with chamfering 48 and want convenient for being polished into the corner of glass with gradient chamfering 48 in order to meet client
It asks, the gradient of chamfering 48 can be set between 30~60.
Embodiment 3, referring to Fig. 4, on the basis of embodiment 1,1 top two sides outer wall of casing is respectively fixed with second
Handle 15, second handle 15 are U-shaped structure, are equipped with anti-skidding ripple on the inside of second handle 15.When implementation, operator can be with both hands
The second handle 15 for grasping 1 two sides of casing carries out sanding operation, and double-grip is firmly uniform, fixed by the adjusting of positioning device 2
Position cooperates double-grip, polishes more steady, the corner polished is more beautiful.
It should be noted that, in this document, the relational terms of such as " first ", " second " etc are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence, indication or suggestion relative importance can not be interpreted as.Term " includes ", " packet
Containing " or any other variant thereof is intended to cover non-exclusive inclusion, so that including the process of a series of elements, side
Method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, or further include
For elements inherent to such a process, method, article, or device.
In the present invention, unless otherwise indicated, " several " are meant that two or more；Term " installation ", " phase
Even ", the terms such as " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected, can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field
For logical technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of glass post-processing corner grinding device, including casing（1）, positioning device（2）, transmission device（3）And grinding wheel
（4）, it is characterised in that：The casing（1）Bottom is connected with handle（11）, the handle（11）Inside offer dimpled grain
（12）；
The casing（1）Bottom side both ends are respectively equipped with positioning device（2）, the positioning device（2）Including bull stick（21）, tooth
Item（22）, grip block（23）, pulley（25）And rotation button（27）, the rack gear（22）Bottom offers the first tooth form（26）, institute
State rack gear（22）Level runs through casing（1）The outer wall of side and and casing（1）It is flexibly connected, the rack gear（22）End fix
It is connected with grip block（23）, the grip block（23）Inside passes through shaft（24）It is rotatably connected to pulley（25）, the bull stick
（21）Outside offer and the first tooth form（26）The second tooth form to match（28）, the bull stick（21）End be fixed with rotation
Turn-button（27）, the rotation button（27）Pass through bull stick（21）With rack gear（22）Rotation connection；
The casing（1）Inner cavity top is equipped with transmission device（3）, the transmission device（3）Including motor（31）, first gear
（34）And second gear（35）, the motor（31）Output shaft pass through shaft coupling（33）With first gear（34）It is fixedly connected,
The second gear（35）With first gear（34）Engagement connection, the second gear（35）It is fixed with and turns at the central axis of side
Moving axis（36）, the rotation axis（36）Through casing（1）Outer wall be fixed with connector（41）, the connector（41）Pass through the first tooth
Wheel（34）And second gear（35）With motor（31）Transmission connection；
The connector（41）Outside and grinding wheel（4）It is threadedly coupled, the grinding wheel（4）Outside is equipped with protective cover（45）, the guarantor
Shield（45）Pass through bolt and casing（1）It is fixedly connected, the protective cover（45）For semicircular shell, and its top offers out
Mouthful.
2. a kind of glass post-processing corner grinding device according to claim 1, it is characterised in that：The dimpled grain（12）
There are four opening up, and the finger grip of itself and human body matches.
3. a kind of glass post-processing corner grinding device according to claim 1, it is characterised in that：The casing（1）
Close to motor（31）The outer wall of side offers heat release hole（13）.
4. a kind of glass post-processing corner grinding device according to claim 1, it is characterised in that：The casing（1）
Far from dimpled grain（12）Side switch is installed（16）, the switch（16）Pass through conducting wire（32）With motor（31）It is electrically connected.
5. a kind of glass post-processing corner grinding device according to claim 1, it is characterised in that：The casing（1）
Top side outer wall is horizontally fixed with first handle（14）, the first handle（14）For straight structure, the first handle
（14）Side wall is equipped with anti-skidding ripple abrasive rubber layer.
6. a kind of glass post-processing corner grinding device according to claim 1, it is characterised in that：The casing（1）
Top two sides outer wall is respectively fixed with second handle（15）, the second handle（15）For U-shaped structure, the second handle（15）
Inside is equipped with anti-skidding ripple.
7. a kind of glass post-processing corner grinding device according to claim 1, it is characterised in that：The grinding wheel（4）
Outside wheel face and protective cover（45）Inner wall between distance be 5mm.
8. a kind of glass post-processing corner grinding device according to claim 1, it is characterised in that：The grinding wheel（4）
Outside offers the first groove（42）, first groove（42）The broad-ruler at top and the thickness of glass match, institute
State the first groove（42）Two sides be equipped with inclined-plane, first groove（42）Bottom be equipped with circular arc（44）.
9. a kind of glass post-processing corner grinding device according to claim 1, it is characterised in that：The grinding wheel（4）
Outside offers the second groove（46）, second groove（46）Width dimensions and the thickness of glass match, it is described
Second groove（46）Two sides be equipped with face directly（47）, second groove（46）Two sides of the bottom be equipped with chamfering（48）.
10. a kind of glass post-processing corner grinding device according to claim 1, it is characterised in that：The grinding wheel（4）
It is made of diamond dust consolidation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810761444.5A CN108818247A (en) | 2018-07-12 | 2018-07-12 | A kind of glass post-processing corner grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810761444.5A CN108818247A (en) | 2018-07-12 | 2018-07-12 | A kind of glass post-processing corner grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108818247A true CN108818247A (en) | 2018-11-16 |
Family
ID=64136089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810761444.5A Withdrawn CN108818247A (en) | 2018-07-12 | 2018-07-12 | A kind of glass post-processing corner grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108818247A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936258A (en) * | 2019-12-24 | 2020-03-31 | 中建科工集团有限公司 | Handheld buffing machine |
| CN117381563A (en) * | 2023-10-18 | 2024-01-12 | 连云港太平洋半导体材料有限公司 | Quartz glass tube mouth of pipe grinding device |
-
2018
- 2018-07-12 CN CN201810761444.5A patent/CN108818247A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936258A (en) * | 2019-12-24 | 2020-03-31 | 中建科工集团有限公司 | Handheld buffing machine |
| CN117381563A (en) * | 2023-10-18 | 2024-01-12 | 连云港太平洋半导体材料有限公司 | Quartz glass tube mouth of pipe grinding device |
| CN117381563B (en) * | 2023-10-18 | 2024-05-07 | 连云港太平洋半导体材料有限公司 | Quartz glass tube mouth of pipe grinding device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 528500 Cangjiang Creative Industrial Park 851 Gaoming Avenue, Gaoming District, Foshan City, Guangdong Province Applicant after: Foshan quifeng Business Consulting Service Co., Ltd. Address before: 528500 Huiyuan Haoting 13-2-202, 668 Taihua Road, Hecheng Street, Gaoming District, Foshan City, Guangdong Province Applicant before: Foshan quifeng Business Consulting Service Co., Ltd. |
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| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |
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| WW01 | Invention patent application withdrawn after publication |