CN108909184A - Printing head, printing equipment with temp regulating function - Google Patents
Printing head, printing equipment with temp regulating function Download PDFInfo
- Publication number
- CN108909184A CN108909184A CN201810785463.1A CN201810785463A CN108909184A CN 108909184 A CN108909184 A CN 108909184A CN 201810785463 A CN201810785463 A CN 201810785463A CN 108909184 A CN108909184 A CN 108909184A
- Authority
- CN
- China
- Prior art keywords
- nozzle body
- printing head
- regulating function
- temperature regulation
- temperature
- 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.)
- Pending
Links
- 238000007639 printing Methods 0.000 title claims abstract description 51
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 26
- 230000033228 biological regulation Effects 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 claims description 51
- 239000011241 protective layer Substances 0.000 claims description 25
- 239000012782 phase change material Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 11
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 239000003292 glue Substances 0.000 description 3
- 238000007641 inkjet printing Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000036760 body temperature Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- -1 for example Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000008365 aromatic ketones Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000000574 ganglionic effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
-
- 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
- B41J2/135—Nozzles
-
- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/1408—Structure dealing with thermal variations, e.g. cooling device, thermal coefficients of materials
-
- 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
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
-
- 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
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16502—Printhead constructions to prevent nozzle clogging or facilitate nozzle cleaning
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
- H10K71/135—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing using ink-jet printing
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ink Jet (AREA)
Abstract
The invention discloses a kind of printing head and printing equipment with temp regulating function.The printing head includes nozzle body and temperature regulation layer, the nozzle body has accommodating chamber, for loading printed material, the temperature regulation layer is set in the nozzle body accommodating chamber, and the temperature regulation layer is used to adjust the temperature of the nozzle body.The printing equipment includes ink feed conduits, nozzle and the above-mentioned printing head with temp regulating function, and the ink feed conduits and the nozzle are respectively communicated with the accommodating chamber.A kind of printing head and printing equipment with temp regulating function disclosed by the invention, by the way that temperature regulation layer is arranged in nozzle body, during printing speed, when the raising of the temperature of nozzle body is too fast, temperature regulation layer absorbs heat, to reduce the temperature of nozzle body, prevented high temperature from damaging printing device, while preventing printed material solid content is higher from causing plug-hole phenomenon.
Description
Technical field
The present invention relates to ink jet printing device fields, more specifically to a kind of printing with temp regulating function
Spray head, printing equipment.
Background technique
In current illumination and display field, due to organic electroluminescent LED (Organic Light-Emitting
Diode, OLED) have the advantages that very more, such as low start voltage, it is frivolous, the advantages that self-luminous, it is studied more and more and wide
It is general for developing in illuminating product and panel industry, with demands such as the low energy consumption, the frivolous and area sources that reach product.
Currently, InkJet printing processes can be designed into the manufacturing process of OLED.During inkjet printing, due to spray head
Constantly to be carried out at high speed printing, therefore, there can be the excessively high phenomenon of printhead temperature and occur, and temperature is excessively high, is easy to cause
Solvent in spray head volatilizees, so that the solid content of printed material be made to improve, solid content is improved, and causes subsequent drying,
The variation of the process conditions parameters such as baking, can not actually obtain so as to cause the printed material shape of needs.On the other hand, admittedly containing
The raising of amount, it is most likely that lead to printed material plug nozzle, so that printing be made to stop, can not working.
Summary of the invention
Technical problem to be solved by the present invention lies in order to overcome above-mentioned the deficiencies in the prior art, the present invention provides one
Kind has the printing head and printing equipment of temp regulating function.
In order to achieve the above purpose, present invention employs the following technical solutions：
A kind of printing head with temp regulating function, including nozzle body and temperature regulation layer, the nozzle body
With accommodating chamber, for loading printed material, the temperature regulation layer is set in the nozzle body accommodating chamber, described
Temperature regulation layer is used to adjust the temperature of the nozzle body.
Preferably, the temperature regulation layer includes the protective layer of inner hollow and the phase transformation material that is set in the protective layer
The bed of material.
Preferably, the protective layer of the temperature regulation layer is coated on the outer surface of the nozzle body.
Alternatively, the protective layer is attached on the inner wall of the nozzle body.
Alternatively, the inner wall portion concave of the nozzle body forms groove, the temperature regulation layer is set to described recessed
In slot.
Preferably, the nozzle body include into hole and portalling, it is described into hole and it is described portal be respectively communicated with the receiving
Chamber, the temperature regulation layer include with the first through hole opposite into hole and with the second opposite through-hole that portals.
Preferably, the material of the protective layer is thermally conductive and insulation elastic rubber and/or the phase-change material layers
Material is aliphatic hydrocarbon.
Preferably, the temperature regulation layer with a thickness of 5cm~10cm.
Preferably, the material of the nozzle body is metal.
The invention also discloses a kind of printing equipment, including ink feed conduits, nozzle and any above-mentioned there is temperature tune
The printing head of function is saved, the ink feed conduits and the nozzle are respectively communicated with the accommodating chamber.
Beneficial effect：A kind of printing head and printing equipment with temp regulating function disclosed by the invention, passes through
Temperature regulation layer is set in nozzle body, during printing speed, when the raising of the temperature of nozzle body is too fast, temperature tune
Ganglionic layer absorbs heat, to reduce the temperature of nozzle body, prevents high temperature from damaging printing device, while preventing printed material from containing admittedly
Amount is higher to cause plug-hole phenomenon.
Detailed description of the invention
Fig. 1 is the sectional view of the printing head of the embodiment of the present invention one；
Fig. 2A is the sectional view of the printing head of the embodiment of the present invention two；
Fig. 2 B is another sectional view of the printing head of the embodiment of the present invention two；
Fig. 3 is the sectional view of the printing equipment of the embodiment of the present invention three.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Embodiment one
As shown in Figure 1, including nozzle body 10 and temperature according to the printing head with temp regulating function of the present embodiment
Regulating course 20 is spent, nozzle body 10 has accommodating chamber 11, and accommodating chamber 11 is arranged for loading printed material 30, temperature regulation layer 20
In in nozzle body 10, temperature regulation layer 20 is used to adjust the temperature of nozzle body 10.In this way, working as spray head in print procedure
When the temperature of main body 10 increases, the heat that temperature regulation layer 20 absorbs nozzle body 10 is kept away with reducing the temperature of nozzle body 10
The nozzle body 10 for exempting from high temperature evaporates the solvent in printed material 30, guarantees the stabilization of solid content in printed material 30, guarantees
The stability of print procedure.
Specifically, as a preferred embodiment, temperature regulation layer 20 includes the protective layer 21 of inner hollow and is filled in protection
Phase-change material layers 22 in layer 21.When the temperature of nozzle body 10 rises, the heat transfer of nozzle body 10 to phase-change material
In layer 22, phase-change material layers 22 are undergone phase transition, so that heat is absorbed, to reduce the temperature of nozzle body 10.Further, spray head
The material of main body 10 is preferably using the metal with thermal conductive resin, for example, copper and aluminium can be selected.Certainly in other embodiments
In, the material of nozzle body 10 can be with Ceramics material or plastics.
Further, the material of phase-change material layers 22 is selected as aliphatic hydrocarbon, such as paraffin.Certainly in other embodiments,
The material of phase-change material layers 22 can also be selected as organic micromolecule compound, for example, fatty acid, aromatic ketone, amide, freon and
Material of the combination of a kind of above-mentioned material or multiple material as phase-change material layers 22 can be selected in polyhydroxy carbonic acid etc..Separately
Outside, organic high molecular compound can also be selected, for example, polyolefin, polyvalent alcohol, polyalkenylalcohols, polyolefin acid and polyamide etc., it can
Select material of the combination of a kind of above-mentioned material or multiple material as phase-change material layers 22.
Further, as a preferred embodiment, the protective layer 21 of temperature regulation layer 20 is coated on the appearance of nozzle body 10
Face.Further, protective layer 21 adopts the outer surface that the mode to fasten with glue is pasted onto nozzle body 10.Certainly in other implementations
In mode, the material of protective layer 21 uses thermally conductive and insulation elastic rubber, and the shape of protective layer 21 and nozzle body 10
Shape matching, 21 resilient sleeve of protective layer be set to nozzle body 10 on.On the one hand protective layer 21 may make to fit closely in spray head
The outer surface of main body 10, convenient for nozzle body 10 heat transfer into phase-change material layers 22；On the other hand, using the guarantor of elasticity
Sheath 21 facilitates dismantles temperature regulation layer 20 from nozzle body 10, is conveniently replaceable new temperature regulation layer 20.
Further, it is with hole in nozzle body 10 and 12 and portals 13, into hole 12 and portal and 13 be respectively communicated with accommodating chamber
11, the position of the face ink-feeding hole of temperature regulation layer 20 is equipped with first through hole 23, and the face of temperature regulation layer 20 portals 13
Position is equipped with the second through-hole 24, and such temperature regulation layer 20 will not interfere with the normal ink feed and mistake out of ink of nozzle body 10
Journey.
As a preferred embodiment, temperature regulation layer 20 with a thickness of 5cm~10cm.
A kind of printing head with temp regulating function disclosed in the present embodiment, passes through the appearance bread in nozzle body
Temperature regulation layer is covered, in print procedure, when the temperature of nozzle body increases, temperature regulation layer absorbs heat to reduce spray head
The temperature of main body guarantees normal print job.
Embodiment two
As shown in Figure 2 A, the printing head of the present embodiment two and the printing head in embodiment one are a difference in that：This
The temperature regulation layer 20 of embodiment two is set to the inside of accommodating chamber 11.
Specifically, the protective layer 21 of temperature regulation layer 20 fits on the inner wall of accommodating chamber 11.The shape of protective layer 21
Matched with the shape of 11 inner wall of accommodating chamber, and protective layer 21 glue paste by way of be fixed on inner wall.For
It is easily installed or dismantles temperature regulation layer 20, answering into hole 12 for nozzle body 10 be as big as possible.
Protective layer 21 curls into tubular structure as a preferred implementation manner, in this way when temperature regulation layer 20 is arranged
When in accommodating chamber, protective layer 21 can be fitted closely with inner wall, while will not influence the normal ink feed of nozzle body 10
With process out of ink.
Certainly in other embodiments, as shown in Figure 2 B, the inner wall portion concave of accommodating chamber 11 forms groove 14, should
Groove 14 is the annular recess being arranged along the inner wall surface, and the shape of protective layer 21 is matched with the shape of groove 14, and protective layer 21
It is set in the groove 14.Further, protective layer 21 can be fixed on the bottom surface of groove 14 in such a way that glue is pasted.One side
On the other hand temperature regulation layer 20 preferably can be contained in spray head master by fixed temperature regulating course 20 by setting groove 14 by face
In the sidewall notches of body 10, so that temperature regulation layer 20 less occupies the space of accommodating chamber 11, to increase nozzle body 10
Capacity.
A kind of printing head with temp regulating function, passes through the accommodating chamber in nozzle body disclosed in the present embodiment
Temperature regulation layer is set on inner wall, in print procedure, when nozzle body temperature increase when, temperature regulation layer absorb heat with
The temperature for reducing nozzle body guarantees normal print job so that the solvent in printed material is non-volatile.
Embodiment three
As shown in figure 3, the printing equipment of embodiment according to the present invention three includes ink feed conduits 40, nozzle 50 and embodiment
One or embodiment two in the printing head with temp regulating function, wherein ink feed conduits 40 and nozzle 50 are respectively communicated with receiving
Chamber 11.
Specifically, ink feed conduits 40 are connected into hole 12, and nozzle 50 13 is connected to portalling.Wherein, the quantity of nozzle 50 can
To be multiple, multiple nozzles 50 are connected to the accommodating chamber 11 of the same nozzle body 10 simultaneously, by the spray for controlling each nozzle 50
Ink-condition, realization accurately spray.
A kind of printing equipment disclosed in the present embodiment, by the way that temperature regulation layer is arranged in nozzle body, in printing speed
In the process, when the raising of the temperature of nozzle body is too fast, temperature regulation layer absorbs heat, to reduce the temperature of nozzle body, prevents
High temperature damage printing device is only crossed, while preventing printed material solid content is higher from causing plug-hole phenomenon.
A specific embodiment of the invention is described in detail above, although having show and described some implementations
Example, it will be understood by those skilled in the art that defined by the claims and their equivalents of the invention not departing from
It in the case where principle and spirit, can modify to these embodiments and perfect, these are modified and improve also should be in the present invention
Protection scope in.
Claims (10)
1. a kind of printing head with temp regulating function, which is characterized in that including nozzle body (10) and temperature regulation layer
(20), the nozzle body (10) has accommodating chamber (11), and the accommodating chamber (11) is for loading printed material (30), the temperature
Degree regulating course (20) is set on the nozzle body (10), and the temperature regulation layer (20) is for adjusting the nozzle body
(10) temperature.
2. the printing head according to claim 1 with temp regulating function, which is characterized in that the temperature regulation layer
(20) phase-change material layers (22) for including the protective layer (21) of inner hollow and being set in the protective layer (21).
3. the printing head according to claim 2 with temp regulating function, which is characterized in that the protective layer (21)
It is coated on the outer surface of the nozzle body (10).
4. the printing head according to claim 2 with temp regulating function, which is characterized in that the protective layer (21)
It is attached on the inner wall of the nozzle body (10).
5. the printing head according to claim 2 with temp regulating function, which is characterized in that the nozzle body
(10) inner wall portion concave forms groove (14), and the temperature regulation layer (20) is set in the groove (14).
6. the printing head according to claim 3 or 4 with temp regulating function, which is characterized in that the spray head master
Body (10) includes into hole (12) and portalling (13), described to be respectively communicated with the accommodating chamber into hole (12) and portal (13)
(11), the temperature regulation layer (20) include with the first through hole (23) opposite into hole (12) and with portal (13)
Opposite the second through-hole (24).
7. the printing head according to claim 2 with temp regulating function, which is characterized in that the protective layer (21)
Making material be the materials of thermally conductive and insulation elastic rubber and/or the phase-change material layers (22) be aliphatic hydrocarbon.
8. the printing head according to claim 1 with temp regulating function, which is characterized in that the temperature regulation layer
(22) with a thickness of 5cm~10cm.
9. the printing head according to claim 2 with temp regulating function, which is characterized in that the nozzle body
(10) material is metal.
10. a kind of printing equipment, which is characterized in that including any one of ink feed conduits (40), nozzle (50) and claim 1 to 9
The printing head with temp regulating function, the ink feed conduits (40) and the nozzle (50) are respectively communicated with the appearance
It receives chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785463.1A CN108909184A (en) | 2018-07-17 | 2018-07-17 | Printing head, printing equipment with temp regulating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785463.1A CN108909184A (en) | 2018-07-17 | 2018-07-17 | Printing head, printing equipment with temp regulating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108909184A true CN108909184A (en) | 2018-11-30 |
Family
ID=64415693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810785463.1A Pending CN108909184A (en) | 2018-07-17 | 2018-07-17 | Printing head, printing equipment with temp regulating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108909184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208211A (en) * | 2020-10-23 | 2021-01-12 | 京东方科技集团股份有限公司 | Printing nozzle |
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| CN106182776A (en) * | 2016-08-09 | 2016-12-07 | 渭南高新区火炬科技发展有限责任公司 | A kind of 3D printer with heat sinking function |
-
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- 2018-07-17 CN CN201810785463.1A patent/CN108909184A/en active Pending
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|---|---|---|---|---|
| CN1341269A (en) * | 1999-10-19 | 2002-03-20 | 松下电器产业株式会社 | Phosphor ink coating device, plasma display panel, and method of manufacturing the plasma display panel |
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| CN201147741Y (en) * | 2007-12-20 | 2008-11-12 | 上海富奇凡机电科技有限公司 | Piezoelectric microsphere sprayer head |
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| CN104739155A (en) * | 2015-01-29 | 2015-07-01 | 李晓光 | Fast cooling cup |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208211A (en) * | 2020-10-23 | 2021-01-12 | 京东方科技集团股份有限公司 | Printing nozzle |
| CN112208211B (en) * | 2020-10-23 | 2021-12-14 | 京东方科技集团股份有限公司 | Printing nozzle |
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