CN105312174A - Handheld paint spraying machine - Google Patents
Handheld paint spraying machine Download PDFInfo
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- CN105312174A CN105312174A CN201410381852.XA CN201410381852A CN105312174A CN 105312174 A CN105312174 A CN 105312174A CN 201410381852 A CN201410381852 A CN 201410381852A CN 105312174 A CN105312174 A CN 105312174A
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Abstract
The invention discloses a handheld paint spraying machine. The handheld paint spraying machine comprises a support, wherein a booster pump is fixedly mounted on the support, a liquid inlet valve, a discharge valve and a pressure adjusting valve are arranged on the booster pump, the liquid inlet valve is connected with a liquid suction pipe, and the discharge valve is connected with a spray gun through a paint spraying pipe; a liquid discharging pipe is arranged at the lower part of the booster pump; a baffle is arranged below the booster pump; a handle is arranged on the support; a filtering ball is arranged at the head of the liquid suction pipe; rollers are arranged at the lower part of the support; a manual auxiliary valve is arranged at the bottom of the booster pump; the handheld paint spraying machine further comprises a paint purifying device, and the head part of the liquid suction pipe extends into a discharging hole of the paint purifying device. The handheld paint spraying machine has the advantages that the spraying quality and efficiency are high, the spraying effect is good, the coating is uniform, the spraying range is long, the handheld paint spraying machine is convenient to carry and move, the utilization rate of paint is high, and the costs are reduced.
Description
Technical field
The present invention relates to a kind of portable paint applicators.
Background technology
Can be without prejudice by available protecting electric ceramics device in abnormal cases to strengthen power circuit; Even application antifouling flush paint on insulator, strengthens hydrophobicity and quick, balanced, lasting migration of hydrophobicity; Resistance to pollution flashover voltage; Arc resistant insulating properties is excellent; Superpower adhesive force, non-scale, does not ftracture, and exempting from cleaning in the maintenance phase under normal condition, is a kind of very important construction method.But paint is the water paint that a kind of viscosity is very high.During construction, general manufacturer all adds diluent to former paint very strict restriction, is generally about 10%-20%.Transition dilution can cause film forming bad, and its texture and scrub resistance, durability all can be subject to different destruction.Destructiveness is directly proportional to dilution factor, and dilution factor is larger, and painting quality is poorer.As the dilution requirement strictly by producer, then paint viscosity very high, difficulty of construction is large.As all bad with roller coating, brushing or aerial spraying construction effect.
Flush coater is the Special coating equipment adopting spraying technology, and principle controls air-flow to promote the commutation of distribution reversing arrangement instantaneously, thus make the piston of air motor do the reciprocating motion of steady and continuous.To the coating supercharging sucked, through high-pressure hose, coating is transported in the spray gun of flush coater, after being atomized instantaneously by coating by spray gun, is discharged into coated article surface.Flush coater is formed primarily of feeding device, spray gun, atomization occurring source.
Airless spraying, also claims airless spraying, and it uses high-pressure plunger pump, is directly pressurizeed by paint, forms the paint of high pressure, and jet gun interruption-forming atomization air flow acts on body surface article such as () insulator porcelain vases.For Air spraying, lacquer painting is even, without granular sensation, due to air exclusion, paint is dry, totally.
Airless spraying can be used for the construction of high viscosity paint, and edge clear, even can be used for the spraying project that some have border to require.Depending on mechanical type, be also divided into Pneumatic type airless sprayer, electrodynamic type airless sprayer, internal combustion type multiple without gas blowout flush coater etc.Airless spraying, its operation principle is by the built-in closed container of high pressure airless spraying apparatus, coating is pressurized to 210,000 grams/cm, by nozzle, coating materialization is being become tiny particulate, be directly injected to a kind of spraying method on coated article surface, compared with brushing, roller coating technology, spray pressure is high, far firing range, is applicable to the spraying in the fields such as bridge, dam, hillside, steel tower, cable.
In spraying equipment operation process, the degree of purity of paint plays vital effect the service life to spraying equipment.But, in Paint Production, be mixed into impurity possibly, as when adding face, filler, some mechanical admixtures may be brought into, when disperseing with sand milling, mill base can be mixed into broken abrasive media (as bead), does not obtain the granules of pigments of fully grinding in addition in addition.It can thus be appreciated that filtration is the important step in Paint Production, removes impurity and particle in paint by filtering, thus obtain the paint of high-quality.At present, the main tool of paint purification is sieves.Its method of operating is: by paint filling sieve to be clean, and impel paint to leach from filter screen by manually stirring, although this kind of equipment can complete purification, the paint quality filtered out is not high, often also can some impurity; In addition, so artificial stirring efficiency is low, and labor intensive.
In addition, it is near that existing paint spraying equipment also also exists spraying range, carries the defects such as inconvenient, be not suitable for using on mountain or by the occasion that sprayed product is higher.Therefore, invent a kind of spraying effect good, use easy to carry, pressure is large, and the spraying equipment of far firing range becomes a kind of problem demanding prompt solution.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, and provide a kind of portable paint applicators, spraying effect is good, uses easy to carry, and pressure is large, far firing range.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of portable paint applicators of the present invention, it comprises bearing, and described bearing is installed with booster pump, described booster pump is provided with liquid feed valve, dump valve and pressure regulator valve, described liquid feed valve is connected with pipette, and described dump valve is connected with spray gun by the pipe that sprays paint; Also be provided with bottom described booster pump and unload liquid pipe; Described bearing is provided with handle; Baffle plate is provided with below described booster pump.
Further, described pipette head is provided with filter ball.
Further, roller is provided with below described support.
Further, manual auxiliary valve is also provided with bottom described booster pump.
Further, described booster pump is plunger displacement pump.
Further, in order to prevent the impurity in paint from blocking pipette and booster pump, be also provided with paint purifying device, described pipette head extend into the discharging opening of described paint purifying device.
The groundwork position of flush coater is booster pump, and changement is the full Pneumatic control air distribution reversing arrangement of pilot-operated type of special shape.After entering compressed air, when piston moves to cylinder upper end or bottom, make pilot valve or lower pilot valve action, control air-flow and promote the commutation of distribution reversing arrangement instantaneously, thus just the piston of air motor does the reciprocating motion of steady and continuous.Because the plunger in piston and coating plunger displacement pump is rigidly connected, and the area of the area ratio plunger of piston is large.Thus the coating supercharging of suction is made.The coating be pressurized, is transported to airless spray gun through high-pressure hose, finally without gas jets place release hydraulic pressure, sprays to coated article surface, form film layer after instantaneous atomization.
Further, described paint purifying device comprises base, stand tube, and described stand tube is vertically fixed on described base, and described stand tube is laterally provided with the first fixed bar and the second fixed bar from top to bottom successively; Described first fixed bar one end is fixed in described stand tube by pipe box and fixed screw, and the described first fixed bar other end is fixed with motor, and described motor lower end is connected with paddle by drive link; Described second fixed bar one end is fixed in described stand tube by pipe box and fixed screw, and the described second fixed bar other end is fixed with feeding chamber; Described feeding chamber is arranged on the positive lower end of described paddle; Described feeding chamber positive lower end correspondence is provided with hopper.
Further, described feeding chamber is provided with charging aperture and discharging opening, described charging aperture is arranged on the upper end of feeding chamber, described discharging opening is arranged on the lower end of feeding chamber, described feeding chamber the latter half is V-shaped, described feeding chamber is inner is also provided with a filter screen near discharging opening part, bottom described feeding chamber, discharge outlet is provided with a control valve.
Further, described control valve is globe valve.
The present invention in use, first tests, and pipette is put into the bucket that water is housed, open motor and repeatedly press manual auxiliary valve and help imbibition, by the time water sucks pipette, and from unloading first dextrorotation tight dump valve when liquid pipe flows out, then screws pressure regulator valve clockwise.When pressure gauge reading rises to about 22.5MPa, check whether unload liquid pipe unloads leakage phenomenon, if there is no to open spray gun to carry out examination spray.When spraying operation, spray gun should perpendicular to by spray surface, nozzle with sprayed thing distance and be advisable with 350 ~ 400mm, otherwise can coating quality be affected.Before wanting cocking, moment just first moves spray gun.Uniform mobile spray gun is wanted during spraying operation.End of travel first will unclamp trigger, then stops mobile immediately.Translational speed will according to coating concentration, expulsion pressure, spray gun is different from by the distance of spraying thing and change.In order to ensure that coating surface is complete, smooth, horizontal direction and vertical direction during spraying, is wanted respectively to spray once.The interval time of both direction spraying presses coating drying property difference and determines; Second direction spraying is carried out again once after the coating substantially dry of first direction spraying.As need be temporarily quit work a few minutes in spraying operation process, first pressure regulator valve should be unscrewed (release) counterclockwise, then dump valve handle is unscrewed (unloading stream) counterclockwise, turn off motor again, pipette is immersed in suitable solvent, hardening and result in blockage to prevent from remaining in coating in pipette.
Concrete using method of the present invention is:
1, prepare
Will application article on deck, the article of application indispensability have coating and paint mixer, spraying robot, diluent, weighing apparatus and matching appliances, coating and coating detector device etc.After being ready to, then carry out the work such as allotment and machine debugging of coating.
2, the allotment of coating.
First will confirm coating, and confirm quality and the kind of coating according to coating specification, pinpointing the problems could corrigendum in time.Then be adjustment dope viscosity, coating is stirred, the viscosity of test coating, and coating is purified by paint purifying device.
3, the installation of flush coater and inspection.
Each parts of the flush coater got ready and auxiliary accessories are correctly installed, connected.After connecting, enter state to be sprayed, will check whether power source works well, and then sucks coating before spraying, whether supercharging is normal to check booster pump, and conveying flexible pipe has No leakage, and whether connect tight between accessory, spray gun and filter screen are with or without stopping state etc.
4, painting environment condition controls.
Measure humidity and the temperature of painting environments, if meet application condition, both can carry out painting operation.Attention: outdoor application also should consider weather conditions, from spray to coating surface drying during this period of time, the weather that care should be used to avoids the rainy day and wind speed is high, dust storm is large.
The operating procedure of flush coater and points for attention:
1, figure connects all parts to specifications, and main is that suction tube interface must screw up with a wrench, otherwise the upper pressure of impact;
2, carry out backwater exhaust, guarantee that machine intimate is in vacuum state.First dump valve is screwed to endways state, opening power, power-off after water pipe water outlet, dump valve is screwed to transverse state, then gas on switch power supply, just can spray coating operations after air pressure reaches normal value.
3, power cut-off: powered-down switch, with spray gun, residual gas is emptying, after Pressure gauge back to zero, dump valve is screwed to endways state.
In use, the FAQs solution that runs into of the present invention:
1, machine run barrier film does not agitate not suction not go up water: open liquid feed valve, add water, pins liquid feed valve, switch power supply by a screwdriver, waits and to agitate mill to start to agitate and just enter normal operating conditions after on water and air.Above-mentioned situation is there will be after not working for a long time.
2, first time is working properly, and above-mentioned situation appears in second time work afterwards, and upper air pressure is normal, and this just belongs to dump valve and does not clean up, and this situation needs to open six screws, and the valve of the inside is cleaned, and just can normally work afterwards.
3, not going up gas in normal work is much that coating enters air: pressure adjustment knob is turned back to minimum state, and slowly increasing pressure after 1 to 2 minutes again can get rid of.(how to judge that upper vapour goes wrong: after power supply opening, regulate the slowly upper pressure of the pressure knob on pressure regulator valve.Block suction inlet with the palm of the hand, confirm that whether suction is normal.)
4, coating can return from unloading liquid pipe, but unable: the situation that pressure can raise just please check whether nozzle blocks: rotary nozzle cleaner removing tamper.Pressure can not raise, and bleed air valve leaks gas, and please tighten, if can not improve pressure after tightening please change dump valve.
5, coating can not return from unloading liquid pipe, and suction inlet is unable: a liquid feed valve is blocked and cleaned with the logical lower liquid feed valve water of screwdriver.The situation that b coating remains takes off suction line removing coating
6, coating can not return from unloading liquid pipe, and suction inlet is strong: coating unloads liquid pipe breakage or joint absent-mindedness, tightens or changes.
7, Switch of spray pistol pulls open rear pressure and sharply declines: a suck your coating of using of feed tube plugged filter b too thickness or fiber too many, please dilute.C nozzle diameter is too large or wear and tear
8, motor not operational problems: a power supply is bright please be checked that whether power line is long or use porous socket to cause the too low b power lights of voltage not work: wiring, wire, switch problem c midway stop: overload protection starts, and please check that whether nozzle diameter is excessive or institute's pressure regulation power is too large.
Use notice:
1, warn: high-pressure spraying machine is very large because of expulsion pressure time closely, likely causes very grievous injury to people and property, use of please necessarily taking care, needs step-down or certainly pin spray gun when stopping using.
2, the gauze of more than 100 orders given must be used before using to filter paint.
Need after end-of-job every day to carry out internal washing.
4, adjust turnback to clean the direction of arrow when spray nozzle clogging, if twist motionless, both can after step-down.Normal operating conditions nozzle arrow forward.
5, coating dilution: high-end coating can add 1/4th water, middle-gradely adds 1/3rd water.Standard: can flow out from hand seam when picking up coating.
Maintenance points for attention:
1, after using, with clear water, the residue coating in machine, pipe, rifle must be sprayed clean, discharging at every turn, just machine can be packed up afterwards.
2,500 working hours change machine oil.
3, need when 50,000 side left and right to change the rapid wear accessory such as rifle mouth and turnover valve.
4, the independent current source more than the most handy 4 sides of power line, does not use multipurpose socket, not long use more than 30 electric power incoming line.
5, after 1 year or 500 working hours change barrier film.
The beneficial effect that the present invention reaches is:
(1) portable paint applicators provided by the invention, the coating of spraying forms smooth-going, fine and close coating, and coating quality is high; Handle and roller are set, are convenient for carrying and move, be applicable to high mountain operation;
(2) spray efficiency is high, far firing range, one man operation's spray efficiency up to 300-1000 square m/h, be the 10-15 of usual spray machine doubly;
(3) can delay the life-span of coating, the present invention adopts high-pressure injection to be atomized, and makes paint grain obtain strong kinetic energy and gos deep into spray-coating surface hole, makes paint film and insulator spray-coating surface mechanical snap, strengthens coating adhesion, extends coating life;
(4) evenly, thickness is at 30 microns, and utilization efficiency of coatings is high for brushing, roller coating thickness;
(5) because paint spray is not containing air, coating easily reaches volume turning and the gap of painting objects, easy japanning;
(6) can the first fixed bar of up-down adjustment and the second fixed bar by arranging in the stand tube of paint purifying device, paddle can, according to how many up-down adjustment flexibly of paint, be beneficial to better stir;
(7) feeding chamber arranges control valve, can make that purification process is continual to carry out, and avoids and filters several times with a collection of paint and have influence on the uniformity of paint performance;
(8) paint purifying device of the present invention is to the good purification of paint, and time saving and energy saving, reduces labour cost, raises labour efficiency;
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 be paint purifying device of the present invention face structural representation;
Fig. 3 is the side-looking structural representation of paint purifying device of the present invention;
Fig. 4 be feeding chamber face structural representation;
Fig. 5 is the side-looking structural representation of feeding chamber;
Fig. 6 is the plan structure schematic diagram of feeding chamber.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figures 1 to 6, a kind of portable paint applicators of the present invention, it comprises bearing 1, described bearing 1 is installed with plunger displacement pump 2, described plunger displacement pump 2 is provided with liquid feed valve 3, dump valve 4 and pressure regulator valve 5, described liquid feed valve 3 is connected with pipette 6, and described dump valve 4 is connected with spray gun 8 by the pipe 7 that sprays paint; Described plunger displacement pump 2 bottom is also provided with unloads liquid pipe 9; Described bearing 1 is provided with handle 10.Described pipette head is provided with filter ball 11.Roller 12 is provided with below described support 1.Manual auxiliary valve 13 is also provided with bottom described plunger displacement pump 2.In order to prevent booster pump landing, below booster, be also provided with baffle plate 15.
The present invention in use, first tests, and pipette 6 is put into the bucket that water is housed, open motor and repeatedly press manual auxiliary valve 13 and help imbibition, by the time water sucks pipette 6, and from unloading first dextrorotation tight dump valve 4 when liquid pipe 9 flows out, then screws pressure regulator valve 5 clockwise.When pressure gauge reading rises to about 22.5MPa, check whether unload liquid pipe 9 unloads leakage phenomenon, if there is no to open spray gun 8 to carry out examination spray.When spraying operation, spray gun 8 should perpendicular to by spray surface, nozzle with sprayed thing distance and be advisable with 350 ~ 400mm, otherwise can coating quality be affected.Before wanting cocking, moment just first moves spray gun.Uniform mobile spray gun is wanted during spraying operation.End of travel first will unclamp trigger, then stops mobile immediately.Translational speed will according to coating concentration, expulsion pressure, spray gun is different from by the distance of spraying thing and change.In order to ensure that coating surface is complete, smooth, horizontal direction and vertical direction during spraying, is wanted respectively to spray once.The interval time of both direction spraying presses coating drying property difference and determines; Second direction spraying is carried out again once after the coating substantially dry of first direction spraying.As need be temporarily quit work a few minutes in spraying operation process, first pressure regulator valve 5 should be unscrewed (release) counterclockwise, then the handle of dump valve 4 is unscrewed (unloading stream) counterclockwise, turn off motor again, pipette 6 is immersed in suitable solvent, hardening and result in blockage to prevent from remaining in coating in pipette 6.
In order to prevent blocking pipette 6 and plunger displacement pump 2, be also provided with paint purifying device 14, described pipette 6 head extend into the discharging opening 102 of described paint purifying device 14.
Wherein, described paint purifying device comprises base 1401, stand tube 1402, and described stand tube 1402 is vertically fixed on described base 1401, and described stand tube 1402 is laterally provided with the first fixed bar 1403 and the second fixed bar 1404 from top to bottom successively; Described first fixed bar 1403 one end is fixed in described stand tube 1402 by pipe box 1405 and fixed screw 1406, described first fixed bar 1403 other end is fixed with motor 1407, and described motor 1407 lower end is connected with paddle 1409 by drive link 1408; Described second fixed bar 1404 one end is overlapped by pipe 1405 and fixed screw 1406 is fixed in described stand tube 1402, and described second fixed bar 1404 other end is fixed with feeding chamber 14010; Described feeding chamber 14010 is arranged on the positive lower end of described paddle 1409; Described feeding chamber 14010 positive lower end correspondence is provided with hopper 14011.Described feeding chamber 14010 is provided with charging aperture 101 and discharging opening 102, described charging aperture 101 is arranged on the upper end of feeding chamber 14010, described discharging opening 102 is arranged on the lower end of feeding chamber 14010, described feeding chamber 14010 the latter half is V-shaped, described feeding chamber 14010 is inner is also provided with a filter screen 104 near discharging opening 101 part, bottom described feeding chamber 14010, discharging opening 103 place is provided with a control valve 102, described control valve 102 is globe valve.
Paint purifying device of the present invention can the first fixed bar of up-down adjustment and the second fixed bar by arranging in stand tube, and paddle can, according to how many up-down adjustment flexibly of paint, be beneficial to better stir.Feeding chamber arranges control valve, can make that purification process is continual to carry out, and avoids and filters several times with a collection of paint and have influence on the uniformity of paint performance.The present invention is to the good purification of paint, and time saving and energy saving, reduces labour cost, raises labour efficiency.
Paint in use, is slowly poured in feeding chamber, is started motor by the present invention, drive paddle to stir by drive link, mixing time is 5 ~ 8 minutes, then opens described globe valve, after paint is filtered by described filter screen, filtered fluid is discharged in described hopper.
Coating quality of the present invention and efficiency high, spraying effect is good, and coating uniform, life-span are long, and the utilization rate of coating is high, cost-saving.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a portable paint applicators, is characterized in that, comprises bearing, described bearing is installed with booster pump, described booster pump is provided with liquid feed valve, dump valve and pressure regulator valve, described liquid feed valve is connected with pipette, and described dump valve is connected with spray gun by the pipe that sprays paint; Also be provided with bottom described booster pump and unload liquid pipe; Described bearing is provided with handle; Baffle plate is provided with below described booster pump.
2. portable paint applicators according to claim 1, is characterized in that, described pipette head is provided with filter ball.
3. portable paint applicators according to claim 1, is characterized in that, is provided with roller below described support.
4. portable paint applicators according to claim 1, is characterized in that, is also provided with manual auxiliary valve bottom described booster pump.
5., according to the arbitrary described portable paint applicators of Claims 1-4, it is characterized in that, described booster pump is plunger displacement pump.
6. portable paint applicators according to claim 1, is characterized in that, also comprise paint purifying device, and described pipette head extend into the discharging opening of described paint purifying device.
7. portable paint applicators according to claim 6, it is characterized in that, described paint purifying device comprises base, stand tube, and described stand tube is vertically fixed on described base, and described stand tube is laterally provided with the first fixed bar and the second fixed bar from top to bottom successively; Described first fixed bar one end is fixed in described stand tube by pipe box and fixed screw, and the described first fixed bar other end is fixed with motor, and described motor lower end is connected with paddle by drive link; Described second fixed bar one end is fixed in described stand tube by pipe box and fixed screw, and the described second fixed bar other end is fixed with feeding chamber; Described feeding chamber is arranged on the positive lower end of described paddle; Described feeding chamber positive lower end correspondence is provided with hopper.
8. portable paint applicators according to claim 7, it is characterized in that, described feeding chamber is provided with charging aperture and discharging opening, described charging aperture is arranged on the upper end of feeding chamber, described discharging opening is arranged on the lower end of feeding chamber, described feeding chamber the latter half is V-shaped, and described feeding chamber is inner is also provided with a filter screen near discharging opening part, bottom described feeding chamber, discharge outlet is provided with a control valve.
9. portable paint applicators according to claim 8, is characterized in that, described control valve is globe valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381852.XA CN105312174A (en) | 2014-08-02 | 2014-08-02 | Handheld paint spraying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381852.XA CN105312174A (en) | 2014-08-02 | 2014-08-02 | Handheld paint spraying machine |
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| CN105312174A true CN105312174A (en) | 2016-02-10 |
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| CN201410381852.XA Pending CN105312174A (en) | 2014-08-02 | 2014-08-02 | Handheld paint spraying machine |
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| CN107297289A (en) * | 2017-08-09 | 2017-10-27 | 陕西建工第五建设集团有限公司 | Steel conduit inner wall anti-corrosive device and method |
| CN107457106A (en) * | 2017-08-23 | 2017-12-12 | 力达（江西）机电有限公司 | A kind of Portable back-carrying packet mode is without oil machine |
| CN108837970A (en) * | 2018-07-04 | 2018-11-20 | 江苏旭峰科技有限公司 | A kind of high-pressure airless casting flush coater and its application method |
| CN114985144A (en) * | 2019-01-25 | 2022-09-02 | 固瑞克明尼苏达有限公司 | Injection system and method for injection by a fluid injector |
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| CN114985144A (en) * | 2019-01-25 | 2022-09-02 | 固瑞克明尼苏达有限公司 | Injection system and method for injection by a fluid injector |
| US11819868B2 (en) | 2019-01-25 | 2023-11-21 | Graco Minnesota Inc. | Material spray gun |
| CN114985144B (en) * | 2019-01-25 | 2024-03-29 | 固瑞克明尼苏达有限公司 | Injection system and method for injection by a fluid injector |
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Application publication date: 20160210 |
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| RJ01 | Rejection of invention patent application after publication |