CN110341310B - Ink jet tube and ink jet printing equipment - Google Patents
Ink jet tube and ink jet printing equipment Download PDFInfo
- Publication number
- CN110341310B CN110341310B CN201910754146.8A CN201910754146A CN110341310B CN 110341310 B CN110341310 B CN 110341310B CN 201910754146 A CN201910754146 A CN 201910754146A CN 110341310 B CN110341310 B CN 110341310B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- grooves
- ink jet
- ink
- spray head
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
Abstract
The invention provides an ink jet tube and ink jet printing equipment, and solves the problem that when ink drops are dripped again, the size and the direction of the dripped ink are changed, so that the printing precision is reduced, because ink is easy to remain around a nozzle and the ink is solidified at the nozzle. The method comprises the following steps: a nozzle body; the first pipeline is arranged in the spray pipe body, and a first groove is formed in the inner wall of the first pipeline; the spray nozzle is arranged at one end of the spray pipe body; and the second pipeline is arranged in the spray head, wherein the first pipeline is communicated with the second pipeline.
Description
Technical Field
The invention relates to the technical field of ink-jet printing, in particular to an ink-jet tube and ink-jet printing equipment.
Background
With the continuous progress of science and technology, the ink-jet printing technology is applied to various fields and has wide development prospect. Because the shower nozzle of ink jet printing equipment is the toper, the diameter at toper top is between several hundred nanometers to tens of nanometers, long-time printing back, the inside pore that leaves of shower nozzle, be used for carrying the ink, long-time printing back, the ink is remained easily around the shower nozzle, and the back is solidified to remaining ink, can form the ink siltation in shower nozzle department, when the ink droplet passes through once more, the ink of siltation hinders the ink droplet and passes through the shower nozzle blowout, lead to the size and the direction of ink droplet to change, thereby influence printing stability and reliability, and then reduce the printing precision.
Disclosure of Invention
In view of the above, the present invention provides an ink jet tube and an ink jet printing apparatus, which solve the problem that when ink drops are dropped again, the size and direction of the dropped ink are changed, thereby reducing the printing precision, because ink is easily left around a nozzle and is solidified at the nozzle.
An embodiment of the present invention provides an ink jet tube and an ink jet printing apparatus including: a nozzle body;
the first pipeline is arranged in the spray pipe body, and a first groove is formed in the inner wall of the first pipeline; the spray nozzle is arranged at one end of the spray pipe body; and the second pipeline is arranged in the spray head, wherein the first pipeline is communicated with the second pipeline.
In one embodiment, the spray head comprises a second groove disposed on an inner wall of the second conduit.
In one embodiment, the first grooves are spirally distributed on the inner wall of the first pipe.
In one embodiment, the second grooves are spirally distributed on the inner wall of the second pipe.
In one embodiment, the spray head is rotatable relative to the spout body.
In one embodiment, further comprising; a swivel disposed between the spout body and the spray head configured to connect the spout body and the spray head.
In one embodiment, the rotating member includes a third conduit disposed within the rotating member, wherein one end of the third conduit is in communication with the first conduit and the other end is in communication with the second conduit.
In one embodiment, a third groove is formed in an inner wall of the third pipeline, wherein one end of the third groove, which is close to the nozzle body, is communicated with the first groove.
In one embodiment, the third grooves are spirally distributed.
In one embodiment, the rotating member is a bearing.
In one embodiment, the method further comprises: a drive device; and a first gear connected with the driving device;
the spray head comprises a second gear which is arranged on the outer wall of the spray head in a surrounding way, wherein the second gear is meshed with the first gear; the driving device drives the first gear to rotate, and the first gear rotates to drive the spray head to rotate.
In one embodiment, the drive device is an electric motor.
In one embodiment, the ink jet cartridge comprises any one of the ink jet cartridges described above.
The embodiment of the invention provides an ink jet tube and ink jet printing equipment. This internal first pipeline that is provided with of spray tube is provided with first recess on the inner wall of first pipeline. A second pipeline is arranged in the spray head. The first pipeline is communicated with the second pipeline, and the first grooves are distributed on the inner wall of the first pipeline in a preset shape. The ink drop has certain rotation capacity after passing through the first groove with the preset shape, so that the ink drop can better keep the set direction after flowing out of the spray head, the stability and the reliability of the size and the direction of the ink drop are improved, the precision of an ink jet position is improved, and the printing precision is improved.
Drawings
Fig. 1 is a schematic structural diagram of an ink jet tube according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating a distribution of grooves in a pipe according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view illustrating a distribution of grooves in a first pipe according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view illustrating the distribution of grooves in the first pipe and the second pipe according to an embodiment of the present invention.
Fig. 5 is a schematic diagram illustrating a distribution of grooves in a pipe according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an ink jet tube according to another embodiment of the present invention.
Fig. 7 is a flowchart illustrating a structure of an ink jet cartridge according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of an ink jet tube according to an embodiment of the present invention. Fig. 2 is a schematic diagram illustrating a distribution of grooves in a pipe according to an embodiment of the present invention. Fig. 3 is a cross-sectional view illustrating a distribution of grooves in a first pipe according to an embodiment of the present invention.
As shown in fig. 1 to 3, the inkjet tube includes a nozzle body 1 and a head 2, wherein the head 2 is disposed at one end of the nozzle body 1. A first pipeline 3 is arranged in the spray pipe body 1, and a first groove 5 is formed in the inner wall of the first pipeline 3. A second pipeline 4 is arranged in the spray head 2, wherein the first pipeline 3 is communicated with the second pipeline 4, and the first groove 5 is distributed on the inner wall of the first pipeline 3 in a preset shape. The ink droplet is through being spouted behind the shower nozzle and is fallen on by printing device, and the shape of predetermineeing of first recess 5 for the ink droplet has certain rotation capacity after first recess 5 flows through, consequently can make the ink droplet better keep established direction after flowing out shower nozzle 2, thereby improved the stability and the reliability of ink droplet size and direction, improve the precision of inkjet position, thereby improved the precision of printing.
It will be appreciated that the predetermined shape of the first grooves 5 may be a spiral distribution of the first grooves 5 (as shown in fig. 2), or the first grooves 5 may be distributed in other shapes, and the spiral grooves may be imparted with a rotational capability when ink drops are dropped thereon. The present invention does not limit the specific shape of the predetermined shape on the premise that the ink droplets have a rotational force after flowing through the first and second grooves 5 and 6.
It is also understood that the number of the first pipe 3 and the second pipe 4 may be one or more, and the present invention is not limited to the specific number of the first pipe 3 and the second pipe 4.
It can be further understood that the material of the nozzle body 1 and the nozzle 2 may be metal or plastic, and the specific material of the nozzle body 1 and the nozzle 2 may be selected according to actual requirements, and the specific material of the nozzle body 1 and the nozzle 2 is not limited in the present invention.
It is also understood that the nozzle body 1 and the spray head 2 may be detachable structures, or the nozzle body 1 and the spray head 2 may be an integral structure, and the present invention is not limited to the specific structure of the nozzle body 1 and the spray head 2.
It is also understood that the ink jet pipe may include one nozzle 2 or a plurality of nozzles 2, the number of nozzles 2 included in the ink jet pipe may be adjusted according to actual needs, and the specific number of nozzles 2 included in the ink jet pipe is not limited in the present invention.
Fig. 4 is a cross-sectional view illustrating the distribution of grooves in the first pipe and the second pipe according to an embodiment of the present invention.
As shown in fig. 4, the spray head further comprises a second recess 5 arranged in the pipe wall of the second pipe 4. The first groove 5 and the second groove 6 can be communicated, and the first groove 5 and the second groove 6 are distributed on the inner walls of the first pipeline 3 and the second pipeline 4 in preset shapes respectively. The ink droplet spouts behind second recess 6 through first recess 5 flow through on being printed device, because the shape of predetermineeing of first recess 5 and second recess 6, make the ink droplet have certain rotation capacity behind first recess 5 and second recess 6 of flowing through, consequently, can make the ink droplet better keep established direction after flowing out shower nozzle 2, thereby the stability and the reliability of ink droplet size and direction have been improved, improve the precision of inkjet position, thereby the precision of printing has been improved, and set up second recess 6 on the inner wall of second pipeline, can prevent because inertial disappearance, the problem that the revolving force that leads to being endowed behind the ink droplet flow through first recess 5 disappears produces.
It can be understood that the second groove 6 may be spirally distributed, and the second groove 6 may also be in other shapes, and the specific shape of the second groove is not limited in the present invention on the premise that the ink droplet has a rotating force after flowing through the second groove 6.
Fig. 5 is a schematic diagram illustrating a distribution of grooves in a pipe according to an embodiment of the present invention.
As shown in fig. 5, the first pipe 3 may include a plurality of first grooves 5, and the second pipe 4 may include a plurality of second grooves 6. The first grooves 5 are distributed on the inner wall of the first pipeline 3 according to preset intervals, and the first grooves 5 are communicated with the second grooves 6 respectively. In other words, each first groove 5 is communicated with one second groove 6, so that when a plurality of ink drops are ejected simultaneously during ink jet printing, each ink drop can flow out of the nozzle 2 along the first groove 5 and the second groove 6, the rotation capability of each ink drop is given, each ink drop can keep a preset size and direction, and the precision of ink ejection positions is improved.
It can be understood that the size of the preset interval can be set according to actual requirements, and the size of the preset interval is not limited by the invention.
It can be further understood that the preset distances between the left and right first grooves 5 adjacent to one first groove 5 may be the same or different, and the size of the preset distance between the left and right first grooves 5 adjacent to one first groove 5 may be adjusted according to actual situations, and the present invention does not limit whether the preset distances between the left and right first grooves 5 adjacent to one first groove 5 are the same.
In an embodiment of the present invention, the nozzle 2 is rotatable relative to the nozzle body 1, and the rotatable nozzle 2 is adopted to provide a rotational force to the ink droplets adhered to the inner wall of the second conduit 4, so as to reduce the adhesive force of the ink droplets on the inner wall of the second conduit 4 and prevent the ink droplets from accumulating on the inner wall of the second conduit 4. Because the rotation of shower nozzle 2 is used, give the interior ink of second pipeline 4 with the revolving force for when the ink droplet was spout from shower nozzle 2, improved the stability that the ink droplet propagated and the precision of inkjet position, and then the rete thickness homogeneity that forms after making the inkjet improves.
It will be understood that how spray head 2 is rotatable relative to spout body 1 may be selected based on the actual situation, and the present invention is not limited to the specific manner in which spray head 2 is rotatable relative to spout body 1.
Fig. 6 is a schematic structural diagram of an ink jet tube according to another embodiment of the present invention.
As shown in fig. 6, the inkjet cartridge may further include a rotation member 7 disposed between the nozzle body 1 and the spray head 2, the rotation member 7 serving to connect the nozzle body 1 and the spray head 2 and to enable rotation of the spray head 2 with respect to the nozzle body 1. Wherein, the inside of rotating member 7 is provided with the third pipeline, and the one end and the first pipeline 3 of third pipeline are linked together, and the other end and the second pipeline 4 of third pipeline are linked together, and the ink droplet flows into second pipeline 4 again after first pipeline 3 flows into the third pipeline, at last from second pipeline 4 blowout shower nozzle 2. Wherein, be provided with the third recess on the third pipeline wall, the one end and the first recess 5 of third recess are linked together, the other end and the second recess 6 of third recess are linked together, wherein the third recess also can be and predetermine the shape and distribute on second pipeline 4 inner walls, consequently the ink droplet is through first recess 5, third recess and second recess 6 back blowout shower nozzle 2 back, the ink has been given the rotation ability, make the ink still can keep established direction after being spouted, thereby improve the stability and the dependability line of ink droplet, and then improve the printing precision.
It will be appreciated that the third grooves are distributed on the inner wall of the second conduit 4 according to a predetermined shape, which may be a spiral, and that the ink droplets are given a rotational capability when they drop on the spiral third grooves. The specific shape of the preset shape is not limited on the premise that the ink drop has the rotation capability after flowing through the third groove.
It can also be understood that fig. 4 may be a schematic distribution diagram of the first groove in the first channel, a schematic distribution diagram of the second groove in the second channel, and a schematic distribution diagram of the third groove in the third channel, and in order to avoid redundancy, the present application only uses fig. 3 to describe the three schematic distribution diagrams.
It is also understood that the third grooves may be spirally distributed on the third grooves as shown in fig. 2, and for avoiding redundancy, the spiral of fig. 2 may be used to indicate that the third grooves are spirally distributed on the third grooves.
It will also be appreciated that the rotary member 7 may be a bearing with a third conduit in the middle, which may be used to connect the lance body 1 and the spray head 2 and effect rotation of the spray head 2 with the lance body 1 held stationary. The invention is not limited to a particular type of rotating member 7 provided that it is sufficient that spray head 2 is rotatable relative to spout body 1.
It will also be understood that swivel member 7 may be screwed to spout body 1, or swivel member 7 may be screwed to spout head 2, and that the set screws between swivel member 7 and spout head 2 may themselves be rotated to secure the spout head 2 in rotation relative to spout body 1. the present invention is not limited to the manner in which swivel member 7 is fixed to spout body 1, swivel member 7 and spout head 2.
In one embodiment of the invention, a spill proof pad may also be included between the spout body 1 and the swivel member 7, and a spill proof pad may also be included between the swivel member 7 and the spray head 2. The function of the anti-spill pad is to prevent ink droplets from spilling out of the junction of the spout body 1 and the swivel 7, and the junction of the swivel 7 and the spray head 2. The anti-overflow pad is added at the joint of the spray pipe body 1 and the rotating part 7 and the joint of the rotating part 7 and the spray head 2, so that the problem that ink drops overflow in the rotating process of the spray head 2 to influence the printing precision can be effectively prevented.
It is understood that the spill proof pad may be made of deformable material, such as silica gel or rubber, and the specific material of the spill proof pad is not limited in the present invention.
Fig. 7 is a flowchart illustrating a structure of an ink jet cartridge according to another embodiment of the present invention.
As shown in fig. 7, the ink jet tube further includes a driving device 8 and a first gear 9. The spray head 2 comprises a second gear 10 arranged on the outer wall of the spray head 2, wherein the first gear 9 is connected with the driving device 8, and the first gear 9 is meshed with the second gear 10. Drive arrangement 8's effect rotates for driving first gear 9, and first gear 9 rotates and drives second gear 10 and rotate, and then drives the rotation of shower nozzle 2, has realized the rotation of 2 relative spray tube bodies 1 of shower nozzle, consequently can give the ink droplet of adhesion on the inner wall of second pipeline 4 with the revolving force, reduces the adhesive force of ink droplet on the inner wall of second pipeline 4, thereby prevents that the ink droplet siltation from blockking up shower nozzle 2 on the inner wall of second pipeline 4. Because the rotation of shower nozzle 2 is used, give the interior ink of second pipeline 4 with the revolving force for when the ink droplet was spout from shower nozzle 2, improved the stability that the ink droplet propagated and the precision of inkjet position, and then the rete thickness homogeneity that forms after making the inkjet improves.
It is understood that the driving device 8 may be a motor, and the driving device 8 may also be other devices, and the specific device of the driving device 8 is not limited in the present invention, as long as the driving device 8 can realize the rotation of the spraying head 2 under the driving action.
In an embodiment of the present invention, the inkjet printing apparatus may include the inkjet tube described in any of the above embodiments. The ink jet tube includes a nozzle body 1 and a head 2, wherein the head 2 is provided at one end of the nozzle body 1. A first pipeline 3 is arranged in the spray pipe body 1, and a first groove 5 is formed in the inner wall of the first pipeline 3. A second pipeline 4 is arranged in the spray head 2, and a second groove 6 is arranged on the inner wall of the second pipeline 4. Wherein. The first pipeline 3 is communicated with the second pipeline 4, the first groove 5 is communicated with the second groove 6, and the first groove 5 and the second groove 6 are respectively distributed on the inner walls of the first pipeline 3 and the second pipeline 4 in a preset shape. The ink droplet drips on being printed equipment behind first recess 5 flow through second recess 6, because the shape of predetermineeing of first recess 5 and second recess 6 for the ink droplet has certain rotation ability behind first recess 5 and the second recess 6 of flowing through, consequently can make the ink droplet better keep established direction after flowing out shower nozzle 2, thereby improved the stability and the reliability of ink droplet size and direction, improve the precision of inkjet position, thereby improved the precision of printing. The ink-jet printer can also comprise an ink box which is connected with the ink-jet pipe and is used for storing ink; and the control device is electrically connected with the ink jet tube and controls the movement of the position of the ink jet tube, the ink jet time, the ink jet amount and the like.
It will be appreciated that the ink jet printing apparatus can be used to print pixels of a display screen, can also be used to print paper, etc., and the invention is not limited to the particular use of an ink jet printer.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (11)
1. An ink jet cartridge, comprising:
a nozzle body;
the first pipeline is arranged in the spray pipe body, wherein a plurality of first grooves are formed in the inner wall of the first pipeline, and the first grooves are distributed on the inner wall of the first pipeline according to preset intervals;
the spray nozzle is arranged at one end of the spray pipe body; and
the second pipeline is arranged in the spray head, the spray head comprises a plurality of second grooves which are arranged on the inner wall of the second pipeline, the first pipeline is communicated with the second pipeline, the first grooves are communicated with the second grooves in a one-to-one mode respectively, and the spray head can rotate relative to the spray pipe body.
2. The inkjet cartridge of claim 1, wherein the plurality of first grooves are helically distributed on the inner wall of the first conduit.
3. The inkjet cartridge of claim 1, wherein the plurality of second grooves are helically distributed on the inner wall of the second conduit.
4. The ink jet cartridge according to any one of claims 1 to 3, further comprising;
a swivel disposed between the spout body and the spray head configured to connect the spout body and the spray head.
5. The ink jet cartridge of claim 4 wherein the rotating member is a bearing.
6. The ink jet cartridge of claim 4, wherein the rotary member comprises a third conduit disposed within the rotary member, wherein one end of the third conduit communicates with the first conduit and the other end communicates with the second conduit.
7. The inkjet cartridge of claim 6, wherein the third conduit has a plurality of third grooves disposed on an inner wall thereof, wherein an end of the third grooves adjacent to the nozzle body communicates with the first grooves.
8. The ink jet cartridge of claim 7, wherein the plurality of third grooves are helically distributed.
9. The inkjet cartridge of claim 1, further comprising:
a drive device; and
the first gear is connected with the driving device;
the spray head comprises a second gear which is arranged on the outer wall of the spray head in a surrounding way, wherein the second gear is meshed with the first gear;
the driving device drives the first gear to rotate, and the first gear rotates to drive the spray head to rotate.
10. The inkjet cartridge of claim 9, wherein the drive mechanism is a motor.
11. An ink jet printing apparatus comprising an ink jet cartridge as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754146.8A CN110341310B (en) | 2019-08-15 | 2019-08-15 | Ink jet tube and ink jet printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754146.8A CN110341310B (en) | 2019-08-15 | 2019-08-15 | Ink jet tube and ink jet printing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110341310A CN110341310A (en) | 2019-10-18 |
| CN110341310B true CN110341310B (en) | 2021-03-16 |
Family
ID=68185099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910754146.8A Active CN110341310B (en) | 2019-08-15 | 2019-08-15 | Ink jet tube and ink jet printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110341310B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60124332D1 (en) * | 2000-03-07 | 2006-12-21 | Matsushita Electric Ind Co Ltd | liquid dispenser |
| CN202845238U (en) * | 2012-09-27 | 2013-04-03 | 余姚晟祺塑业有限公司 | Vaporous diffusing device |
| CN104259064B (en) * | 2014-08-28 | 2016-06-29 | 天津大容幕墙装饰工程有限公司 | Construction injecting type rubber pressing gun |
| KR20160102634A (en) * | 2015-02-23 | 2016-08-31 | 주식회사 선익시스템 | Nozzle having guide groove |
| EP3283232B1 (en) * | 2015-04-14 | 2023-01-25 | Husqvarna AB | Telescopic tube |
| CN206731349U (en) * | 2017-05-04 | 2017-12-12 | 福建汇川生物工程有限公司 | A kind of anti-clogging spray equipment for rotating function of being prewhirled with current |
| CN108437637B (en) * | 2018-02-28 | 2019-10-25 | 华中科技大学 | A kind of spiral fluid channel electrofluid spray head |
| CN108393204A (en) * | 2018-04-26 | 2018-08-14 | 成都立创创新科技有限公司 | A kind of rotary shower spray head |
-
2019
- 2019-08-15 CN CN201910754146.8A patent/CN110341310B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110341310A (en) | 2019-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104302483B (en) | Fluid ejection device | |
| US6089160A (en) | Metering device for paint for digital printing | |
| US8770722B2 (en) | Functional liquid deposition using continuous liquid | |
| US9089863B2 (en) | Method for cleaning a nozzle of a material deposition system | |
| CN103895345A (en) | System and method for multifunctional electric fluid ink-jet printing | |
| CN101823365A (en) | Liquid injection device, recording equipment and electric field generating unit | |
| CN104890243B (en) | Printing head, three-dimensional printer and three-dimensional printing method | |
| CN110341310B (en) | Ink jet tube and ink jet printing equipment | |
| CN106903996B (en) | Printing apparatus | |
| CN204712470U (en) | Printhead and three-dimensional printer | |
| CN107073951A (en) | Fluid ejection apparatus | |
| US20120293586A1 (en) | Enhancing superoleophobicity and reducing adhesion through multi-scale roughness by ald/cvd technique in inkjet application | |
| JP6272408B2 (en) | Pipe exterior coating equipment | |
| CN101190608B (en) | Liquid droplet ejecting head and liquid droplet ejecting apparatus | |
| CN216915252U (en) | Ink-jet printing equipment | |
| JP2009274418A (en) | Fluid jetting apparatus | |
| JP2011161690A (en) | Liquid jetting apparatus | |
| JP2011126219A (en) | Liquid spray device | |
| CN211012842U (en) | Double-sided ink-jet mechanism and double-sided ink-jet ink droplet detection device | |
| US7942495B2 (en) | Method of and apparatus for ink jet printing using an electrostatic field | |
| CN206052185U (en) | A kind of focusing jet shower nozzle | |
| CN102233738A (en) | Fluid ejecting apparatus | |
| US20060255487A1 (en) | Bichromal element spinner | |
| CN110833966B (en) | Dispensing needle head, production method and dispensing machine with dispensing needle head | |
| JP2009012385A (en) | Fluid jet apparatus |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |