CN109278347A - A kind of novel carton customization machine - Google Patents
A kind of novel carton customization machine Download PDFInfo
- Publication number
- CN109278347A CN109278347A CN201811020353.2A CN201811020353A CN109278347A CN 109278347 A CN109278347 A CN 109278347A CN 201811020353 A CN201811020353 A CN 201811020353A CN 109278347 A CN109278347 A CN 109278347A
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- China
- Prior art keywords
- chamber
- turn
- shaft
- driving wheel
- slide
- 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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Links
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims 1
- 238000009877 rendering Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 description 7
- 238000005553 drilling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 235000013312 flour Nutrition 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/042—Feeding sheets or blanks using rolls, belts or chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B50/20—Cutting sheets or blanks
Landscapes
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention discloses a kind of novel cartons to customize machine, including body, chamber is slided equipped with extended up and down in the body, described slide is symmetrically arranged with first turn of chamber in inner wall at left and right sides of chamber, it is described slide to slide in chamber ramp is installed, end surface symmetric is equipped with tooth form item at left and right sides of the ramp, first rotating shaft is rotatably installed in end wall before and after first turn of chamber, the first rotating shaft is fixed with sector gear and the first driving wheel, first driving wheel is located on rear side of the sector gear, the first rotating shaft is rotatably equipped with the second shaft far from described slide in the front and back end wall of chamber, the first toothed wheel is fixed in second shaft, third shaft is rotatably installed in end wall before and after first turn of chamber between second shaft and the first rotating shaft.
Description
Technical field
The present invention relates to carton processing technique field, specifically a kind of novel carton customizes machine.
Background technique
Carton processing in often to carry out stapling operation, needed before bookbinding using perforating device to carton panels into
Row punches, and the perforating device Setting pattern in tradition is single, and needs manpower is excessive to come into operation, while cannot achieve same
Multiple groups drilling operation on one straight line, greatly reduces processing efficiency, there are larger drawback, needs to improve.
Summary of the invention
Deficiency in view of the above technology, the invention proposes a kind of novel cartons to customize machine.
Novel carton of the invention a kind of customizes machine, including body, is equipped in the body and extended up and down slides chamber, institute
State to slide and be symmetrically arranged with first turn of chamber at left and right sides of chamber in inner wall, it is described slide to slide in chamber ramp is installed, it is described to slide
End surface symmetric is equipped with tooth form item at left and right sides of platform, is rotatably equipped with first rotating shaft in end wall before and after first turn of chamber, institute
It states first rotating shaft and is fixed with sector gear and the first driving wheel, first driving wheel is located on rear side of the sector gear, institute
It states first rotating shaft and far from described slide the second shaft is rotatably installed in the front and back end wall of chamber, it is fixed in second shaft
It is rotatable in end wall before and after first turn of chamber between second shaft and the first rotating shaft equipped with the first toothed wheel
Third shaft is installed, is fixed in the third shaft and the sector gear and first toothed wheel mating connection
Second toothed wheel, it is described to slide intracavitary roof equipped with second turn of chamber, it is symmetrical in the body at left and right sides of second turn of chamber
Turn chamber equipped with third, the third turns rotatably to be equipped with the 4th shaft in the end wall of chamber front and back, fixed in the 4th shaft
Equipped with the first taper cone pulley and the second driving wheel, second driving wheel is located on rear side of first taper cone pulley, and described second turn
Chamber and the third turn rotatably to be equipped with the 5th shaft between chamber, fixed in the 5th shaft in second turn of chamber
Equipped with the second taper cone pulley, the third turns to be fixed in the 5th shaft in chamber to be cooperatively connected with first taper cone pulley
Third taper cone pulley, can be run through in the pivoted housing that is equipped with of rotation, the pivoted housing bottom in the ramp ramp by bearing
The ramp bottom end face is outer and bottom end is fixed with drill bit, and the upward spline in port, institute are equipped in the pivoted housing
It states spline fitted in spline and upward extended splined shaft is installed, extended end protrudes into second turn of chamber at the top of the splined shaft
In and be connected by power with the driving machine being fixedly installed in second turn of intracavitary roof, on the splined shaft in second turn of chamber
It is fixedly installed with the 4th taper cone pulley being cooperatively connected with second taper cone pulley, described below first turn of chamber slides a chamber left side
It is symmetrically arranged in right two sides inner wall and leads to external delivery chute, the delivery chute inner bottom wall is equipped with conveyor chamber, the conveyor chamber
Symmetrical 6th shaft is rotatably installed in the end wall of front and back, is fixed with delivery wheel in the 6th shaft, left and right
Pass through conveying band connection between two delivery wheels.
Further technical solution, the third, which turns to lead between chamber and first turn of chamber, to be provided with first and leads to slot,
Transmission is connected with the first biography led in slot positioned at described first between first driving wheel and second driving wheel
Dynamic band.
Further technical solution extends in the body on rear side of the conveyor chamber upwards and is provided with the 5th turn of chamber, right
Extended end is protruded into the 5th turn of chamber and is rotatably assorted with inner wall on rear side of the 5th turn of chamber on rear side of the 6th shaft of side
It connects, third driving wheel, extended end on rear side of second shaft is fixed in the 6th shaft in the 5th turn of chamber
It protrudes into the 5th turn of chamber and is rotatably assorted with inner wall on rear side of the 5th turn of chamber and connect, described the in the 5th turn of chamber
It is fixed with the 4th driving wheel in two shafts, is passed between the third driving wheel and the 4th driving wheel by the second transmission belt
It is dynamic to be cooperatively connected.
Further technical solution is located in the ramp at left and right sides of the pivoted housing and is symmetrically arranged with perforative cunning up and down
Row hole, it is described slide to slide to be fitted in hole slide bar, the bar upper and lower ends that slide slide chamber or more with described respectively
Both ends ratio is fixedly connected, and described bar Shangrao of sliding is equipped with the pressure spring to offset with the ramp bottom end face.
Further technical solution, is equipped with the forward drawer slot in port on front side of the body in end door, the drawer slot with
It is described slide to lead between chamber be provided with second and lead to slot, slided in the drawer slot and drawer part be installed, in the drawer part
Equipped with the upward container in port.
The beneficial effects of the present invention are:
Carton panels when in use, are protruded into the delivery chute on right side first, are placed in carton panels by apparatus of the present invention
On the conveyer belt, the driving machine rotation is then controlled, it can be by being driven by the splined shaft after the driving machine rotation
The pivoted housing drives the drill bit rotation, meanwhile, described 4th taper wheel drive or so two can be passed through after the splined shaft rotation
A second taper cone pulley rotates backward, and two second taper cone pulleies in left and right are rotated backward and can be driven by the 5th shaft
The third taper cone pulley, the first taper cone pulley, the 4th shaft, the second driving wheel, the first driving wheel, first rotating shaft and the sector
Gear rotation can drive described second by the first toothed wheel described in the second tooth form wheel drive after the sector gear rotation
Shaft, the 4th driving wheel, third driving wheel, the 6th shaft and delivery wheel rotation can pass through after the delivery wheel rotation
Conveyer belt gradually by carton panels be delivered to it is described slide in chamber, when the sector gear and second toothed wheel completely disengage
Afterwards, the drill bit is located at right above the carton panels, and the delivery wheel stops operating, and the first punch position is determined as a result,
It can be meshed with the tooth form item after the sector gear continues to rotate, the ramp thus can be driven to drive the drill bit
It moves down, so as to carry out drilling operation, the equidistant punch operation of the multiple groups that thus can back and forth practise in same plane can mention significantly
High perforating efficiency and punching effect；
Carton panels after the completion of punching can pass through the delivery chute dispatch in left side to the external world；
Due to being provided with drawer part in the present invention, break flour generated in punch operation can be led to slot by second and fall into receipts
In tank, centralized collection can be convenient for, improve spatter property when punch operation.
Apparatus of the present invention structure is simple, and high degree of automation, can be significantly, it can be achieved that equidistant punch operation on same plane
Labor intensity is reduced, perforating efficiency and punching effect are improved.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 is the overall structure diagram that the novel carton of one kind of the invention customizes machine.
Fig. 2 is arrow direction structural schematic diagram in Fig. 1.
Specific embodiment
As shown in Figs. 1-2, the novel carton of one kind of the invention customizes machine, including body 10, is equipped in the body 10
Extended up and down to slide chamber 11, described slide is symmetrically arranged with first turn of chamber 24 in 11 left and right sides inner wall of chamber, described to slide chamber 11
In slide ramp 40 be installed, 40 left and right sides end surface symmetric of ramp is equipped with tooth form item 39, first turn of chamber 24
First rotating shaft 18 is rotatably installed, the first rotating shaft 18 is fixed with sector gear 19 and the first transmission in the end wall of front and back
Wheel 43, first driving wheel 43 are located at 19 rear side of sector gear, and the first rotating shaft 18 slides chamber 11 far from described
Second shaft 22 is rotatably installed in the end wall of front and back, the first toothed wheel 23 is fixed in second shaft 22, it is described
Third shaft is rotatably installed in first turn of chamber, the 24 front and back end wall between second shaft 22 and the first rotating shaft 18
20, second with the sector gear 19 and first toothed wheel 23 mating connection is fixed in the third shaft 20
Toothed wheel 21,11 inner roof wall of chamber that slides is equipped with second turn of chamber 34, the body 10 of second turn of chamber, 34 left and right sides
In be symmetrically arranged with third and turn chamber 31, the third turns rotatably to be equipped with the 4th shaft 27 in 31 front and back end wall of chamber, described
The first taper cone pulley 28 and the second driving wheel 29 are fixed in four shafts 27, second driving wheel 29 is located at first cone
The rear side of shape wheel 28, second turn of chamber 34 and the third turn rotatably to be equipped with the 5th shaft 32 between chamber 31, and described the
The second taper cone pulley 33 is fixed in the 5th shaft 32 in two turns of chambers 34, the third turns described 5th turn in chamber 31
It is fixed with the third taper cone pulley 30 being cooperatively connected with first taper cone pulley 28 on axis 32, leads in the ramp ramp 40
Pivoted housing 17 can be equipped in rotation by crossing bearing, and 17 bottom of pivoted housing is outer through 40 bottom end face of ramp and bottom is last
Tail is fixed with drill bit 45, and the upward spline 16 in port is equipped in the pivoted housing 17, spline fitted peace in the spline 16
Equipped with upward extended splined shaft 38, the 38 top extended end of splined shaft protrude into second turn of chamber 34 and with fixed setting
Driving machine 35 in second turn of chamber, 34 inner roof wall is connected by power, fixed peace on the splined shaft 38 in second turn of chamber 34
Equipped with the 4th taper cone pulley 37 being cooperatively connected with second taper cone pulley 33, the described of first turn of chamber, 24 lower section slides chamber 11
It is symmetrically arranged in the inner wall of the left and right sides and leads to external delivery chute 12,12 inner bottom wall of delivery chute is equipped with conveyor chamber 13, institute
It states and symmetrical 6th shaft 15 is rotatably installed in 13 front and back end wall of conveyor chamber, fixation is set in the 6th shaft 15
There is delivery wheel 14, passes through conveying band connection between two delivery wheels 14 in left and right.
Valuably, the third, which turns to lead between chamber 31 and first turn of chamber 24, is provided with first and leads to slot 26, described
Transmission is connected with first led in slot 26 positioned at described first between first driving wheel 43 and second driving wheel 29
Transmission belt 25.
Valuably, extend upwards in the body 10 of 13 rear side of conveyor chamber and be provided with the 5th turn of chamber 51, right side
6th shaft, the 15 rear side extended end protrudes into the 5th turn of chamber 51 and matches with the rotation of 51 rear side inner wall of the 5th turn of chamber
Connection is closed, is fixed with third driving wheel 52, second shaft 22 in the 6th shaft 15 in the 5th turn of chamber 51
Rear side extended end is protruded into the 5th turn of chamber 51 and is rotatably assorted with 51 rear side inner wall of the 5th turn of chamber and connect, and the described 5th
Turn to be fixed with the 4th driving wheel 50 in second shaft 22 in chamber 51, the third driving wheel 52 and the 4th transmission
It is cooperatively connected between wheel 50 by the transmission of the second transmission belt 49.
Valuably, perforative above and below being symmetrically arranged at left and right sides of the pivoted housing 17 in the ramp 40 to slide hole
41, it is described slide to slide to be fitted in hole 41 slide bar 42,42 upper and lower ends of bar that slide slide chamber with described respectively
11 upper and lower ends ratios are fixedly connected, and described 42 Shangrao of bar of sliding is equipped with the pressure spring 44 to offset with 40 bottom end face of ramp.
Valuably, the forward drawer slot in port is equipped in the 10 front side end door of body, the drawer slot is slided with described
Lead between chamber 11 and be provided with second and lead to slot 46, is slided in the drawer slot and drawer part 47 is installed, in the drawer part 47
Equipped with the upward container 48 in port.
When original state, under the press of the pressure spring 44,40 top end of ramp and described slide in chamber 11 are pushed up
Wall offsets, and the sector gear 19 is meshed with second toothed wheel 21, and is separated with the tooth form item 39.
In use, first protruding into carton panels in the delivery chute 12 on right side, it is placed in carton panels described defeated
It send and takes, then control the driving machine 35 and rotate, the driving machine 35 can be by being driven after rotating by the splined shaft 38
The pivoted housing 17 drives the drill bit 45 to rotate, meanwhile, the splined shaft 38 can be driven after rotating by the 4th taper cone pulley 37
Two second taper cone pulleies 33 in dynamic left and right rotate backward, and two second taper cone pulleies 33 in left and right rotate backward can be by described
5th shaft 32 drives the third taper cone pulley 30, the first taper cone pulley 28, the 4th shaft 27, the transmission of the second driving wheel 29, first
Wheel 43, first rotating shaft 18 and the sector gear 19 rotate, and the sector gear 19 can pass through second tooth form after rotating
21 driving first toothed wheel 23 of wheel drives second shaft 22, the 4th driving wheel 50, third driving wheel 52, the 6th shaft
15 and the delivery wheel 14 rotate, carton panels can be gradually delivered to described by the delivery wheel 14 by conveyer belt after rotating
It slides in chamber 11, after the sector gear 19 is completely disengaged with second toothed wheel 21, the drill bit 45 is located at the paper
Right above case panel, the delivery wheel 14 stops operating, and the first punch position is determined as a result, when the sector gear 19 after
It can be meshed with the tooth form item 39 after continuous rotation, thus can drive the ramp 40 that the drill bit 45 is driven to move down, thus
It can carry out drilling operation, the equidistant punch operation of the multiple groups that thus can back and forth practise in same plane；Carton after the completion of punching
Panel can pass through 12 dispatch of the delivery chute in left side to the external world.
Due to being provided with drawer part in the present invention, break flour generated in punch operation can be led to slot 46 by second
It falls into container 48, centralized collection can be convenient for, improve spatter property when punch operation.
The beneficial effects of the present invention are:
Carton panels when in use, are protruded into the delivery chute on right side first, are placed in carton panels by apparatus of the present invention
On the conveyer belt, the driving machine rotation is then controlled, it can be by being driven by the splined shaft after the driving machine rotation
The pivoted housing drives the drill bit rotation, meanwhile, described 4th taper wheel drive or so two can be passed through after the splined shaft rotation
A second taper cone pulley rotates backward, and two second taper cone pulleies in left and right are rotated backward and can be driven by the 5th shaft
The third taper cone pulley, the first taper cone pulley, the 4th shaft, the second driving wheel, the first driving wheel, first rotating shaft and the sector
Gear rotation can drive described second by the first toothed wheel described in the second tooth form wheel drive after the sector gear rotation
Shaft, the 4th driving wheel, third driving wheel, the 6th shaft and delivery wheel rotation can pass through after the delivery wheel rotation
Conveyer belt gradually by carton panels be delivered to it is described slide in chamber, when the sector gear and second toothed wheel completely disengage
Afterwards, the drill bit is located at right above the carton panels, and the delivery wheel stops operating, and the first punch position is determined as a result,
It can be meshed with the tooth form item after the sector gear continues to rotate, the ramp thus can be driven to drive the drill bit
It moves down, so as to carry out drilling operation, the equidistant punch operation of the multiple groups that thus can back and forth practise in same plane can mention significantly
High perforating efficiency and punching effect；
Carton panels after the completion of punching can pass through the delivery chute dispatch in left side to the external world；
Due to being provided with drawer part in the present invention, break flour generated in punch operation can be led to slot by second and fall into receipts
In tank, centralized collection can be convenient for, improve spatter property when punch operation.
Apparatus of the present invention structure is simple, and high degree of automation, can be significantly, it can be achieved that equidistant punch operation on same plane
Labor intensity is reduced, perforating efficiency and punching effect are improved.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of novel carton customizes machine, including body, it is characterised in that: be equipped with extended up and down slide in the body
Chamber, described slide are symmetrically arranged with first turn of chamber at left and right sides of chamber in inner wall, it is described slide to slide in chamber ramp is installed, it is described
End surface symmetric is equipped with tooth form item at left and right sides of ramp, is rotatably equipped with first turn in end wall before and after first turn of chamber
Axis, the first rotating shaft is fixed with sector gear and the first driving wheel, after first driving wheel is located at the sector gear
Side, the first rotating shaft are rotatably equipped with the second shaft far from described slide in the front and back end wall of chamber, second shaft
On be fixed with the first toothed wheel, can in end wall before and after first turn of chamber between second shaft and the first rotating shaft
The installation third shaft of rotation is fixed in the third shaft and the sector gear and first toothed wheel cooperation
Second toothed wheel of connection, the body for sliding intracavitary roof equipped with second turn of chamber, at left and right sides of second turn of chamber
In be symmetrically arranged with third and turn chamber, the third turns rotatably to be equipped with the 4th shaft, the 4th shaft in end wall before and after chamber
On be fixed with the first taper cone pulley and the second driving wheel, second driving wheel is located on rear side of first taper cone pulley, described
Second turn of chamber and the third turn rotatably to be equipped with the 5th shaft between chamber, the 5th shaft in second turn of chamber
On be fixed with the second taper cone pulley, the third turns to be fixed in the 5th shaft in chamber matches with first taper cone pulley
The third taper cone pulley of connection is closed, it can be at the pivoted housing that is equipped with of rotation, the pivoted housing bottom by bearing in the ramp ramp
Portion is outer through the ramp bottom end face and bottom end is fixed with drill bit, and the upward spline in port is equipped in the pivoted housing
Slot, spline fitted is equipped with upward extended splined shaft in the spline, and extended end protrudes into described the at the top of the splined shaft
It is connected by power in two turns of chambers and with the driving machine being fixedly installed in second turn of intracavitary roof, the flower in second turn of chamber
The 4th taper cone pulley being cooperatively connected with second taper cone pulley, the cunning below first turn of chamber are fixedly installed on key axis
It is symmetrically arranged in inner wall at left and right sides of an actor's rendering of an operatic tune and leads to external delivery chute, the delivery chute inner bottom wall is equipped with conveyor chamber, described
Symmetrical 6th shaft is rotatably installed in end wall before and after conveyor chamber, is fixed with conveying in the 6th shaft
It takes turns, passes through conveying band connection between two delivery wheels in left and right.
2. the novel carton of one kind according to claim 1 customizes machine, it is characterised in that: the third turns chamber and described the
Lead between one turn of chamber and be provided with first and lead to slot, is driven and is cooperatively connected between first driving wheel and second driving wheel
There is the first transmission belt led in slot positioned at described first.
3. the novel carton of one kind according to claim 1 customizes machine, it is characterised in that: described on rear side of the conveyor chamber
Extend upwards in body and be provided with the 5th turn of chamber, on rear side of the 6th shaft on right side extended end protrude into the 5th turn of chamber and
It is rotatably assorted and connect with inner wall on rear side of the 5th turn of chamber, be fixed with third in the 6th shaft in the 5th turn of chamber
Driving wheel, the second shaft rear side extended end protrude into the 5th turn of chamber and match with inner wall rotation on rear side of the 5th turn of chamber
Close connection, be fixed with the 4th driving wheel in second shaft in the 5th turn of chamber, the third driving wheel with it is described
It is cooperatively connected between 4th driving wheel by the second transmission V belt translation.
4. the novel carton of one kind according to claim 1 customizes machine, it is characterised in that: be located in the ramp described
Be symmetrically arranged at left and right sides of pivoted housing it is perforative up and down slide hole, it is described slide to slide to be fitted in hole slide bar, the cunning
Row bar upper and lower ends are fixedly connected with the chamber upper and lower ends ratio that slides respectively, and described bar Shangrao of sliding is equipped with and the ramp
The pressure spring that bottom end face offsets.
5. the novel carton of one kind according to claim 1 customizes machine, it is characterised in that: set in end door on front side of the body
Have a forward drawer slot in port, the drawer slot and it is described slide to lead between chamber be provided with second and lead to slot, the drawer slot
In slide drawer part be installed, the upward container in port is equipped in the drawer part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020353.2A CN109278347A (en) | 2018-09-03 | 2018-09-03 | A kind of novel carton customization machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020353.2A CN109278347A (en) | 2018-09-03 | 2018-09-03 | A kind of novel carton customization machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109278347A true CN109278347A (en) | 2019-01-29 |
Family
ID=65183799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811020353.2A Withdrawn CN109278347A (en) | 2018-09-03 | 2018-09-03 | A kind of novel carton customization machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109278347A (en) |
-
2018
- 2018-09-03 CN CN201811020353.2A patent/CN109278347A/en not_active Withdrawn
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190129 |
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| WW01 | Invention patent application withdrawn after publication |