CN110406101A - High stability 3D printer - Google Patents
High stability 3D printer Download PDFInfo
- Publication number
- CN110406101A CN110406101A CN201910738533.2A CN201910738533A CN110406101A CN 110406101 A CN110406101 A CN 110406101A CN 201910738533 A CN201910738533 A CN 201910738533A CN 110406101 A CN110406101 A CN 110406101A
- Authority
- CN
- China
- Prior art keywords
- plate
- bottom plate
- fastening bolt
- screw
- connecting plate
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/40—Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Screen Printers (AREA)
Abstract
The invention discloses high stability 3D printers, including shell, feeder, impression block group and workbench mechanism, it is characterized by: the workbench mechanism includes the bottom plate (1) of liftable setting, connecting plate (5) are fixedly installed on the bottom plate (1), circular groove (6) are offered on the connecting plate (5), it is embedded with magnet in the circular groove (6), is placed on the connecting plate (5) profiled sheeting (7), the profiled sheeting (7) uses spring steel material.3D printer of the invention, simple structure and reasonable design can be realized precisely feed, rapid shaping, and the quick of finished product takes and will not cause to damage to the finished product of printing after can be realized 3D printing, while guaranteeing the stability connected between connecting plate and bottom plate.
Description
Technical field
The present invention relates to cut paper equipment, and in particular to a kind of high stability 3D printer.
Background technique
3D printer is also known as three-dimensional printer, is a kind of cumulative manufacturing technology, i.e. a kind of machine of rapid prototyping technology, it
It is based on a digital model file, with adhesive materials such as special wax material, powdery metal or plastics, passes through printing one
Jointing material layer by layer manufactures three-dimensional object.Wherein workbench mechanism is the important component of 3D printer, impression block
Head completes print job and then squeezing out adhesive material to workbench, currently, workbench mechanism on the market is often
One single profiled sheeting is only set, and profiled sheeting is usually hard material, this structure has the disadvantage that first is that forming
The heavier-weight of plate, inconvenience of taking, second is that the bottom of printout is to be sticked together with profiled sheeting after completing printing
, operator is needed at this time by very big hand-power or printout and profiled sheeting could be separated by tool, Er Qie
It is easy to cause the damage of printout in separated process, has been difficult to meet the use demand of user, in addition, due to transporting
During often shake, fastening bolt can loosen, influence the stability connected between bottom plate and mounting plate, into
And cause the position of mounting plate that may shift, it also needs to re-start the fixation and positioning of mounting plate when in use, grasps
It makes comparisons trouble.
Summary of the invention
In view of the deficiency of background technique, after can be realized 3D printing technical problem to be solved by the invention is to provide one kind
Finished product quickly takes and will not cause to damage to the finished product of printing, while guaranteeing the stability connected between connecting plate and bottom plate
3D printer.
For this purpose, the present invention is realized using following scheme:
High stability 3D printer, including shell, feeder, impression block group and workbench mechanism, it is characterised in that: it is described at
Xing Tai mechanism includes the bottom plate of fastening bolt and liftable setting, is fixedly installed with connecting plate, the connecting plate on the bottom plate
On offer circular groove, magnet is embedded in the circular groove, profiled sheeting, the molding are placed on the connecting plate
Plate uses spring steel material, and the bottom of the connecting plate offers counterbore, and the side wall of the counterbore offers internal screw thread, described heavy
The middle part in hole is equipped with the fastening screw extended downwardly, spiral shell in the hand of spiral and the fastening bolt of screw thread on the fastening screw
For the hand of spiral of line on the contrary, the bottom plate is being equipped with first through hole with the corresponding position of the counterbore, the fastening bolt passes through institute
It states first through hole and is screwed onto the counterbore, second passed through for the fastening screw is offered in the fastening bolt and is led to
Hole is bolted with compressing member on the fastening screw, and the compressing member and the head of the fastening bolt are pressed.
The two sides of the bottom plate are bolted with driving screw rod, and the driving screw rod and the first driving motor are sequentially connected, described
The two sides of bottom plate are additionally provided with guide holder, and the guide holder and guide post are cooperatively connected.
The shell includes upper frame plate, is equipped with rear frame plate in the rear side of the upper frame plate, being equipped on the rear frame plate can
The wire spool of lifting is equipped with the installation card slot towards printing die head in medium position of the upper frame plate at the top of rear frame plate,
It is installed with inlet wire leather hose in the installation card slot, is equipped at the top of the upper frame plate in the two sides of installation card slot and prestores card slot, it is described
It prestores card slot and can block and put the inlet wire leather hose.
Further include hack lever, sets that there are two spaced pull rod, the scalable setting of pull rod, In after described on frame plate
The top of the pull rod is equipped with mounting base, and the wire spool is set on the hack lever, and the both ends of the wire spool and locking
Part offsets, and the both ends of the hack lever are rotatably disposed in respectively in the mounting base on two pull rods, the top of the mounting base
It is installed with buckle, the buckle at the top of the hack lever both ends to limiting.
The locking member is locking plate, and the middle part of the locking plate has third through-hole, and the inner wall of the third through-hole has
There is internal screw thread, the hack lever is equipped with the external screw thread with the screw-internal thread fit.
By adopting the above technical scheme, advantages of the present invention are as follows: 1, profiled sheeting use spring steel material, while in connecting plate
Profiled sheeting can be placed on connecting plate by upper embedded magnet when being printed, and profiled sheeting is sucked by magnet at this time, guarantees
The stability that profiled sheeting is placed prints die head later and squeezes out material and be printed upon on profiled sheeting, after the completion of printing, takes manually
Take profiled sheeting, since profiled sheeting has elasticity using spring steel material, can by being bent into template, Lai Shixian printout with
The separation of profiled sheeting, it is easy to operate and do not need to expend too big strength, it is important to printout will not be caused to damage,
Further ensure the quality of printout；2, it by the way that the installation card slot towards printing die head is arranged, and is set in installation card slot
Inlet wire leather hose is set, wire rod can first be worn into inlet wire leather hose, then be conveyed to printing die head, and then the conveying of wire rod is provided
One guiding guarantees that wire rod will not shift or wind during conveying, improves the stability of wire rod supply, guarantees
The stability and reliability of printer work；3, cooperated by setting compressing member and fastening screw, compressing member is compressed
The head of fastening bolt can be effectively reduced the possibility that fastening bolt rotates, in addition, screw thread in screw rod and fastening bolt
The hand of spiral can further enhance compressing member on the contrary, this allows for compressing member and fastening bolt loosens the contrary of rotation
Stability after pressing with fastening bolt, it is ensured that fastening bolt will not get loose rotation, and then guarantee bottom plate and mounting plate it
Between the stability that connects.
Detailed description of the invention
The present invention has following attached drawing:
Fig. 1 is the internal structure chart that the present invention removes printing die head；
Fig. 2 is external structure of the invention；
Fig. 3 is the partial enlarged view in Fig. 2 at A direction；
Fig. 4 is the separate structure figure at another visual angle Fig. 2；
Fig. 5 is internal structure chart of the invention；
Fig. 6 is the partial enlarged view in Fig. 5 at B direction.
Specific embodiment
As shown, high stability 3D printer disclosed by the invention, including shell, feeder, impression block group and at
Xing Tai mechanism, it is characterised in that: workbench mechanism includes the bottom plate 1 of liftable setting, is fixedly installed with connecting plate 5 on bottom plate 1,
Circular groove 6 is offered on connecting plate 5, is embedded with magnet in circular groove 6, profiled sheeting 7 is placed on connecting plate 5, form
Plate 7 uses spring steel material.Since profiled sheeting 7 uses spring steel material, while it being embedded in magnet on connecting plate 5, is carrying out
When printing, profiled sheeting 7 can be placed on connecting plate 5, profiled sheeting 7 is sucked by magnet at this time, guarantees that profiled sheeting is placed steady
It is qualitative, die head is printed later, and material is squeezed out and is printed upon on profiled sheeting 7, after the completion of printing, profiled sheeting 7 of taking manually, by
There is elasticity using spring steel material in profiled sheeting, it can be by being bent into template, point of Lai Shixian printout and profiled sheeting
From easy to operate and do not need to expend too big strength, it is important to will not to cause to damage to printout, be further ensured that
The quality of printout, the bottom of connecting plate 5 offer counterbore, and the side wall of counterbore offers internal screw thread, sets in the middle part of counterbore
Have the fastening screw 20 extended downwardly, on fastening screw 20 in the hand of spiral Yu fastening bolt 21 of screw thread screw thread the hand of spiral
On the contrary, bottom plate 1 is being equipped with first through hole with the corresponding position of counterbore, fastening bolt 21 passes through first through hole and is screwed onto counterbore,
The second through-hole passed through for fastening screw 20 is offered in fastening bolt 21, compressing member 22 is bolted on fastening screw 20, is compressed
Part 22 and the head of fastening bolt 21 are pressed.Cooperated by setting compressing member 22 and fastening screw 20, so that compressing member 22 can be with
The head for compressing fastening bolt 21, can be effectively reduced the possibility that fastening bolt 21 rotates, in addition, fastening screw 20 and tight
The hand of spiral of screw thread is on the contrary, this allows for compressing member 22 and fastening bolt 21 loosens the contrary of rotation on fixing bolt 21,
Can further enhance compressing member 22 and fastening bolt 21 press after stability, it is ensured that fastening bolt, which will not be got loose, to be turned
It is dynamic, and then guarantee the stability connected between bottom plate and mounting plate.The two sides of bottom plate 1 are bolted with driving screw rod 4, drive screw rod 4
With the first driving motor be sequentially connected, by control the first driving motor drive driving screw rod 4 rotate, can drive bottom plate 1 into
Row lifting, the two sides of bottom plate 1 are additionally provided with guide holder 2, and guide holder 2 and guide post 3 are cooperatively connected, are oriented to the lifting of bottom plate 1,
Further promote the stability that bottom plate 1 acts.Shell includes upper frame plate 14, is equipped with rear frame plate 19, In in the rear side of upper frame plate 14
Frame plate 19 is equipped with liftable wire spool 11 afterwards, is equipped with direction in medium position of the upper frame plate 14 close to rear 19 top of frame plate and beats
The installation card slot 15 of stamping head is installed and is installed with inlet wire leather hose 16 in card slot 15, and upper 14 top of frame plate is the two of installation card slot 15
Side is equipped with and prestores card slot 17, prestores card slot 17 and can block and puts line leather hose 16 into.By the way that the installation card slot 15 towards printing die head is arranged,
And inlet wire leather hose 16 is set in installation card slot 15, wire rod can first be worn into inlet wire leather hose 16, then be conveyed to impression block
Head, and then a guiding is provided to the conveying of wire rod, guarantee that wire rod will not shift or wind during conveying, mentions
The stability of high wire rod supply, guarantees the stability and reliability of printer work, further includes hack lever 10, set on rear frame plate 19
There are two spaced pull rod 8, the scalable setting of pull rod 8 is equipped with mounting base 13 at the top of pull rod 8, and wire spool 11 is arranged
On hack lever 10, and the both ends of wire spool 11 offset with locking member, and the both ends of hack lever 10 are rotatably disposed in two drawings respectively
In mounting base 13 on bar 8, the top card of mounting base 13 is buckled and is limited at the top of 9 pairs of 10 both ends of hack lever equipped with buckle 9.
When the wire rod for needing to carry out 3D printing supplies, pull rod 8, since wire spool 11 is set on hack lever 10, hack lever 10 are pulled out upwards
It can be placed in the mounting base on pull rod, and then realize the placement of wire spool 11, effectively reduce wire spool 11 and impression block
The distance between head, and the wire rod on wire spool 11 is to supply from top to bottom at this time, and the wire rod avoided on wire spool is being transported
It is stuck during defeated, in addition, operator can when observing the printing conditions of printer from front using above-mentioned displacement structure
To see the coiling situation on wire spool 11 simultaneously, so that operator comprehensively understands the working condition of printer.Locking member
For locking plate 12, the middle part of locking plate 12 has third through-hole, and the inner wall of third through-hole has internal screw thread, and hack lever 10 is equipped with and this
The external screw thread of screw-internal thread fit guarantees the stability that hack lever 10 is connect with locking plate 12.
Claims (5)
1. high stability 3D printer, including shell, feeder, impression block group and workbench mechanism, it is characterised in that: described
Workbench mechanism includes the bottom plate (1) of fastening bolt (21) and liftable setting, is fixedly installed with connecting plate on the bottom plate (1)
(5), it is offered circular groove (6) on the connecting plate (5), magnet is embedded in the circular groove (6), in the connecting plate
(5) it is placed on profiled sheeting (7), the profiled sheeting (7) uses spring steel material, and it is heavy that the bottom of the connecting plate (5) offers
Hole, the side wall of the counterbore offer internal screw thread, and the middle part of the counterbore is equipped with the fastening screw (20) extended downwardly, described tight
Gu the hand of spiral of screw thread is with the hand of spiral of screw thread on the fastening bolt (21) on the contrary, the bottom plate (1) on screw rod (20)
It is being equipped with first through hole with the corresponding position of the counterbore, the fastening bolt (21) passes through the first through hole and is screwed onto described
In counterbore, the second through-hole passed through for the fastening screw (20), the fastening screw are offered on the fastening bolt (21)
(20) it is bolted on compressing member (22), the compressing member (22) and the head of the fastening bolt (21) are pressed.
2. high stability 3D printer according to claim 1, it is characterised in that the two sides of the bottom plate (1) are bolted with drive
Dynamic screw rod (4), the driving screw rod (4) and the first driving motor are sequentially connected, and the two sides of the bottom plate (1) are additionally provided with guide holder
(2), the guide holder (2) and guide post (3) are cooperatively connected.
3. high stability 3D printer according to claim 1, it is characterised in that the shell includes upper frame plate (14), In
The rear side of the upper frame plate (14) is equipped with rear frame plate (19), is equipped with liftable wire spool (11) on the rear frame plate (19),
The installation card slot (15) towards printing die head, institute are equipped in medium position of the upper frame plate (14) at the top of rear frame plate (19)
It states and is installed with inlet wire leather hose (16) in installation card slot (15), is equipped at the top of the upper frame plate (14) in the two sides of installation card slot (15)
Prestore card slot (17), it is described prestore card slot (17) and can block put the inlet wire leather hose (16).
4. high stability 3D printer according to claim 3, it is characterised in that further include hack lever (10), in the after-frame
It is set on plate (19) there are two spaced pull rod (8), the scalable setting of the pull rod (8) is set at the top of the pull rod (8)
Have mounting base (13), the wire spool (11) is set on the hack lever (10), and the both ends of the wire spool (11) and locking
Part offsets, and the both ends of the hack lever (10) are rotatably disposed in respectively the mounting base (13) on two pull rods (8) Nei, the peace
The top card of seat (13) is filled equipped with buckle (9), the buckle (9) at the top of the hack lever (10) both ends to limiting.
5. the feeder of 3D printer according to claim 4, it is characterised in that the locking member is locking plate (12),
The middle part of the locking plate (12) has third through-hole, and the inner wall of the third through-hole has internal screw thread, and the hack lever (10) sets
There is the external screw thread with the screw-internal thread fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738533.2A CN110406101A (en) | 2019-08-12 | 2019-08-12 | High stability 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738533.2A CN110406101A (en) | 2019-08-12 | 2019-08-12 | High stability 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110406101A true CN110406101A (en) | 2019-11-05 |
Family
ID=68367142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910738533.2A Withdrawn CN110406101A (en) | 2019-08-12 | 2019-08-12 | High stability 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110406101A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205395174U (en) * | 2016-02-26 | 2016-07-27 | 厦门螺壳电子科技有限公司 | 3D printer walk line structure |
| CN106182760A (en) * | 2015-04-30 | 2016-12-07 | 瑞安市麦田网络科技有限公司 | Novel 3D printer prints base plate and 3D printer |
| CN207945183U (en) * | 2018-03-07 | 2018-10-09 | 眉山中车紧固件科技有限公司 | A kind of riveting studs component |
| CN108819249A (en) * | 2018-07-04 | 2018-11-16 | 磐纹科技（苏州）有限公司 | 3D printer flexibility platform |
| US20190077078A1 (en) * | 2017-09-14 | 2019-03-14 | Xyzprinting, Inc. | Platform structure of 3d printer |
-
2019
- 2019-08-12 CN CN201910738533.2A patent/CN110406101A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182760A (en) * | 2015-04-30 | 2016-12-07 | 瑞安市麦田网络科技有限公司 | Novel 3D printer prints base plate and 3D printer |
| CN205395174U (en) * | 2016-02-26 | 2016-07-27 | 厦门螺壳电子科技有限公司 | 3D printer walk line structure |
| US20190077078A1 (en) * | 2017-09-14 | 2019-03-14 | Xyzprinting, Inc. | Platform structure of 3d printer |
| CN207945183U (en) * | 2018-03-07 | 2018-10-09 | 眉山中车紧固件科技有限公司 | A kind of riveting studs component |
| CN108819249A (en) * | 2018-07-04 | 2018-11-16 | 磐纹科技（苏州）有限公司 | 3D printer flexibility platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE602004009005T2 (en) | Digital textile printing machine | |
| KR100723544B1 (en) | Sequin transfering apparatus | |
| DE19714482B4 (en) | Drahtheftmaschine | |
| DE102008060476B4 (en) | Apparatus for processing clips, screws, bolts, nuts or the like fasteners | |
| CN110406101A (en) | High stability 3D printer | |
| CN206878656U (en) | A kind of full-automatic soft brush insertion machine | |
| CN110481010A (en) | A kind of 3D printer | |
| JP6444225B2 (en) | Sewing machine | |
| CN218749840U (en) | Impression cylinder brush plating device | |
| CN109382960A (en) | A kind of equipment and its processing method producing plastic handles band | |
| CN206502074U (en) | A kind of adjustable multipurpose formula bottle material boxing handgrip | |
| CN212242383U (en) | Number printing device | |
| CN210188308U (en) | Edge-punching die of bone buckling machine | |
| CN210651885U (en) | 3D printer | |
| CN208381227U (en) | Belt anxiety adjustment structure | |
| CN214448860U (en) | Auxiliary upper pressing plate of box pasting machine | |
| CN208946852U (en) | The frock clamp of aluminum products screen process press | |
| KR101366618B1 (en) | Vinyl supplying device for automatic packing machine of liquid product | |
| CN210453782U (en) | Feeding mechanism of 3D printer | |
| US2290440A (en) | Riveting machine | |
| CN205904604U (en) | Welding wire thread feeding mechanism | |
| DE202018106743U1 (en) | Tool insert, winding device and system for producing a plastic part with several wire tracks running through the plastic part | |
| JP2016163610A (en) | Presser foot of sewing machine | |
| CN205381010U (en) | Highly tablet device is printed to adjustable alone | |
| JPS6354464B2 (en) |
Legal Events
| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191105 |