CN111330756A - Spray gun for ship coating operation - Google Patents
Spray gun for ship coating operation Download PDFInfo
- Publication number
- CN111330756A CN111330756A CN202010310339.7A CN202010310339A CN111330756A CN 111330756 A CN111330756 A CN 111330756A CN 202010310339 A CN202010310339 A CN 202010310339A CN 111330756 A CN111330756 A CN 111330756A
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- China
- Prior art keywords
- gun
- spray gun
- paint
- nozzle
- gun body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
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- Nozzles (AREA)
Abstract
The invention relates to the technical field of spraying equipment and discloses a spray gun for ship coating operation. The spray gun comprises a gun body, a handle and a nozzle, wherein a flow channel is formed in the gun body, the handle is arranged at the tail end of the gun body, the nozzle is arranged at the front end of the gun body, an air inlet communicated with the flow channel is formed in the handle, a coating inlet is further formed in the gun body, a stabilizing frame is further arranged at the front end of the gun body, the stabilizing frame comprises a fixing seat and at least three stabilizing arms, the fixing seat is fixedly arranged on the gun body, the at least three stabilizing arms are arranged on the fixing seat, and an interval is formed between the contact end of. The front end of the gun body is provided with the stabilizing frame, and at least three stabilizing arms of the stabilizing frame are arranged on the front side of the nozzle, so that when coating operation is carried out, the front ends of the stabilizing arms are in contact with an object to be coated, a stable supporting surface is formed between the stabilizing arms, the distance between the nozzle and the object to be coated can be guaranteed to be unchanged when the spray gun moves, the coating distance is accurately controlled, the thickness of a coating is guaranteed to be uniform, and the coating quality is improved.
Description
Technical Field
The invention relates to the technical field of spraying equipment, in particular to a spray gun for ship coating operation.
Background
The spray gun is a spraying device which uses liquid or compressed air to rapidly release as power and is divided into a normal pressure type and a pressurized type. The application modes of the spray gun in the industry are two, one mode is used for directly loading the coating, namely the simple spray gun; the other type is installed in automatic equipment for use, such as an automatic glue sprayer, an automatic glue spreader, an automatic paint sprayer, a coating machine and the like. During the construction of a ship, paint is required to be sprayed on structures such as a ship body, a base and a support piece, manual spraying is usually carried out on operations such as repairing the ship body, spraying the base and the support piece by using a spray gun by operators, and the paint is easily splashed when sprayed and can be stained on the skin or clothes of the operators.
Chinese utility model patent with grant bulletin number CN208679500U discloses a novel air spray gun, including the spray gun main part, the body of a gun, atomizing adjust knob, the shower nozzle, the spray needle, the guard shield, paint import, the handle, regulating switch, the button, air intlet, power source and connection screw socket, be provided with the body of a gun in the spray gun main part, the one end of the body of a gun is provided with atomizing adjust knob, the other end of the body of a gun is provided with the shower nozzle, be provided with the spray needle on the shower nozzle, be provided with the guard shield on the shower nozzle, the one end of guard shield is provided with the connection screw socket, the bottom of the body of a gun is provided with the handle, one side of handle is provided with paint import, be provided with regulating switch on the handle, the bottom of handle is.
The air spray gun is provided with the protective cover on the spray head, so that the coating can be prevented from splashing on the body of an operator when the spray is sprayed. However, when an operator carries out manual spraying, the spraying distance of the spray gun is too close or too far, which causes the problems of uneven coating thickness and unattractive appearance.
Disclosure of Invention
The purpose of the invention is: the utility model provides a spray gun for boats and ships application operation to when solving among the prior art operating personnel handheld spray gun spraying operation, the spraying distance can change because of the spray gun removes, influences the problem of the quality of spraying.
In order to achieve the above object, the present invention provides a spray gun for a ship coating operation, including a gun body having a flow passage inside, a grip arranged at a tail end of the gun body, and a nozzle arranged at a front end of the gun body, wherein the grip is provided with an air inlet communicated with the flow passage, the gun body is further provided with a paint inlet, the front end of the gun body is further provided with a stabilizing frame, the stabilizing frame includes a fixing seat fixedly arranged on the gun body and at least three stabilizing arms arranged on the fixing seat, a front end of the stabilizing arm is a contact end for contacting with a ship, and an interval for forming a spraying distance between the nozzle and the ship is provided between the contact end and the nozzle.
Preferably, the fixing seat is movably arranged on the gun body along the front-back direction, and a fixing part for fixing the fixing seat is arranged on the gun body.
Preferably, the gun body is provided with external threads, the fixing seat is assembled on the gun body in a threaded manner, and the fixing pieces are fixing nuts respectively arranged on the front side and the rear side of the fixing seat.
Preferably, the stabilizer arm includes a screw fixed to the stabilizer and a solenoid threadedly fitted to the screw.
Preferably, the screw thread of the screw is of an interrupted structure, and a scale extending along the axial direction of the screw is arranged on the screw.
Preferably, the gun body is further provided with a paint tank communicating with the flow passage, the paint tank being disposed on a rear side of the paint inlet.
Preferably, the gun body is further provided with a paint adjusting knob for adjusting a flow rate of paint, the paint adjusting knob being disposed at a front side of the paint inlet.
Preferably, an air adjusting knob for adjusting the air flow is further provided on the grip, and the air adjusting knob is provided at the front side of the air inlet.
Preferably, the gun body is further provided with a bowl-shaped shield, and the opening of the shield faces the front side of the gun body.
Compared with the prior art, the spray gun for ship coating operation has the beneficial effects that: the front end of the gun body is provided with a stabilizing frame, at least three stabilizing arms of the stabilizing frame, the contact ends of the stabilizing arms and the nozzle form a spraying distance at intervals, when coating operation is carried out, a plurality of contact points are formed between the front ends of the stabilizing arms and an object to be sprayed, a stable supporting surface is formed between the stabilizing arms to ensure that the intervals are unchanged, the stabilizing frame is utilized to ensure that the spraying distance between the nozzle and the object to be sprayed is unchanged when a spray gun moves, the spraying distance is accurately controlled, the thickness of a coating is ensured to be uniform, and the spraying quality is improved.
Drawings
FIG. 1 is a schematic structural view of a spray gun for marine painting operations according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a nozzle of the spray gun for marine painting operations of FIG. 1;
fig. 3 is a schematic structural view of a stabilizer of the spray gun for marine painting work of fig. 1.
In the figure, 1, a gun body; 11. a coating inlet; 12. a coating adjusting knob; 13. a spray amplitude adjusting knob; 2. a grip; 21. an air inlet; 22. an air adjustment knob; 23. a trigger; 3. a nozzle; 31. an ejection port; 32. an atomizing cap; 4. a paint tank; 5. a stabilizer frame 51, a fixed seat; 52. a stabilizing arm; 53. a screw; 54. a solenoid; 55. fixing a nut; 6. a shield; 7. a handrail.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
A preferred embodiment of the spray gun for marine painting operation of the present invention, as shown in fig. 1 to 3, includes a gun body 1, a grip 2, a nozzle 3, a paint tank 4, a stabilizer 5 and a shield 6, wherein the gun body 1 is a tube structure, and a flow passage for flowing paint and air is opened inside the gun body 1, and the flow passage is used for guiding the paint and air to the nozzle 3. The middle part of body of a gun 1 still is fixed and is provided with handrail 7, and handrail 7 is convenient for operating personnel to stabilize the spray gun, and body of a gun 1 is stable when keeping the application operation.
The handle 2 is fixedly arranged at the tail end of the gun body 1, the outer side of the handle 2 is provided with an anti-slip rubber strip which is adhered to the handle 2, and an operator can conveniently hold the spray gun by the anti-slip rubber strip. The bottom of the handle 2 is provided with an air inlet 21, the air inlet 21 is communicated with a flow passage in the gun body 1, the air inlet 21 is used for being connected with an external air pressure device, and when the gun body is in work, the coating is sprayed out from the nozzle 3 under the driving of high-pressure air. The handle 2 is further provided with an air adjusting knob 22 at the front side of the air inlet 21, and the air adjusting knob 22 is used for adjusting the flow of the tapping air entering the spray gun. The handle 2 is further provided with a trigger 23, the trigger 23 is used for controlling the starting and stopping of the spraying operation, and the structures of the handle 2 and the trigger 23 are the same as the prior art, and are not described in detail here.
The nozzle 3 is in threaded connection with the gun body 1, the front end of the nozzle 3 is of a conical structure, the jet ports 31 are formed in the conical surface of the front end of the nozzle 3, the jet ports 31 are distributed uniformly at intervals along the circumferential direction of the nozzle 3, in the embodiment, the number of the jet ports 31 is five, and the operation efficiency of spraying operation can be improved. The gun body 1 is provided with a spray width adjusting knob 13, the spray width adjusting knob 13 is used for adjusting the spray area of the spray nozzle 3, the spray width adjusting knob 13 is the prior art, and the structure thereof is not described in detail. The front end of the nozzle 3 is further screwed with an atomizing cap 32, the atomizing cap 32 is used for atomizing the paint sprayed from the nozzle 3 into fine droplets and spraying the fine droplets, and the specific structure of the atomizing cap 32 is the prior art and will not be described in detail herein.
Still be provided with coating entry 11 on the body of a gun 1, coating entry 11 and the runner intercommunication in the body of a gun 1, coating entry 11 is seted up and is located the front side of handle 2 in the position department of being close to handle 2, and coating entry 11 is used for being connected with external coating storage device, is convenient for when the spraying volume is great continuous operation. The gun body 1 is also provided with a coating adjusting knob 12 at the front side of the coating inlet 11, and the coating adjusting knob 12 is used for adjusting the entering amount and the spraying amount of the coating and is flexible to use.
Still threaded connection has paint can 4 on the body of a gun 1, and paint can 4 and the runner intercommunication in the body of a gun 1, paint can 4 can save coating, and the operating personnel of being convenient for breaks away from coating storage device and uses the spray gun, is convenient for use when inconvenient outside coating storage device of connection. The paint tank 4 is disposed at the rear side of the paint inlet 11 such that the paint adjusting knob 12 is located at the front side of the paint tank 4, and the paint adjusting knob 12 can simultaneously control the flow rate of paint from the paint tank 4 and the flow rate of paint from the paint inlet 11.
The stabilizing frame 5 is further arranged at the front end of the gun body 1, the stabilizing frame 5 comprises a fixed seat 51 and a stabilizing arm 52 fixedly arranged on the fixed seat 51, the fixed seat 51 is of a disc-shaped structure, an external thread is arranged on the gun body 1, and the fixed seat 51 is assembled on the gun body 1 in a threaded mode. The fixing seat 51 can move on the gun body 1 along the front-back direction through a thread structure to adjust the position of the stabilizing frame 5, and further adjust the distance between the nozzle 3 and an object to be sprayed. The gun body 1 is also respectively provided with fixing nuts 55 at the front side and the rear side of the fixing seat 51, the two fixing nuts 55 can fix the fixing seat 51 to prevent the fixing seat 51 from moving back and forth during spraying, and the fixing nuts 55 form a fixing part for fixing the fixing seat 51; in other embodiments, the fixing seat 51 may also be assembled on the gun body 1 in a guiding manner, and the front end and the rear end of the fixing seat 51 are respectively assembled with a claw, and the claw forms a fixing part for fixing the fixing seat 51; the fixing base 51 can also be fixed to the gun body 1 by welding or bolting.
Three stabilizing arms 52 are arranged on the fixed seat 51 at intervals along the circumferential direction of the fixed seat, the front ends of the stabilizing arms 52 are positioned at the front side of the spray nozzle 3, when spraying operation is carried out, the front ends of the stabilizing arms 52 are in contact with an object to be sprayed, the front ends of the stabilizing arms 52 form contact ends for being in contact with a ship, and an interval is formed between the contact ends and the spray nozzle 3 in the axial direction of the gun body 1, and the interval forms a spraying distance between the spray nozzle and the ship. A stable supporting surface is formed among the three stabilizing arms 52, so that the spraying distance can be accurately controlled to be constant, the stable operation of spraying work and the uniform coating thickness are ensured, and the spraying quality is improved; in other embodiments, the number of stabilizing arms 52 may also be four, five, etc.
The stabilizing arm 52 comprises a screw 53 and a screw tube 54 threaded on the screw 53, one end of the screw 53 is fixed on the fixed seat 51, the axial direction of the screw 53 is the same with the gun body 1, i.e. the stabilizing arm 52 is parallel to the gun body 1, in other embodiments, the stabilizing arm 52 can also be arranged in a tripod type inclined arrangement. The length of the stabilizing arm 52 can be adjusted when the screw 54 rotates on the screw 53, so as to change the distance between the jet opening 31 of the nozzle 3 and the object to be sprayed, and the spray nozzle can be applied to different spraying operation environments. Meanwhile, the fixed seat 51 is assembled on the gun body 1 in a threaded mode, the fixed seat 51 moves back and forth and is matched with the stabilizing arm 52 in length adjustment, the adjusting range of the distance between the front end of the stabilizing arm 52 and the nozzle 3 can be further enlarged, and therefore the application range of the spray gun is enlarged. In the embodiment, the adjusting range of the stabilizing arm 52 is 10-30 cm, the adjusting range of the fixing seat 51 is 10cm, and the adjusting range of the distance between the front end of the stabilizing arm 52 and the nozzle 3 is 0-40 cm in cooperation with the forward and backward movement of the fixing seat 51. Preferably, through a large number of simulation experiments, when the position of the stabilizer 5 is fixed, the vertical distance of the nozzle 3 from the surface of the ship is 20mm, and in the case of the distance, the loss caused by paint splashing can be reduced to the greatest extent under the condition of ensuring the uniform thickness of the coating, so that the paint utilization rate and the spraying operation efficiency are improved.
Still fixed arrangement has the guard shield 6 on the body of a gun 1, and guard shield 6 is bowl-shaped structure, and the opening of guard shield 6 is towards the front side of body of a gun 1, and guard shield 6 is used for preventing that coating from taking place to splash or drip when the spraying operation, avoids on coating is infected with user's skin or clothing, guarantees that the spraying work goes on safely and stably.
The working process of the invention is as follows: an operator firstly assembles and connects a gun body 1, a grip 2, a protective cover 6, a stabilizing frame 5, a handrail 7, a nozzle 3 and the like of the spray gun, connects a paint inlet 11 with an external paint storage device, and connects an air inlet 21 with an external air pressure device; the spraying amount and the spraying width of the coating are adjusted to proper size by adjusting the coating adjusting knob 12 and the spraying width adjusting knob 13, the nozzle 3 of the spray gun is adjusted to the position needing spraying on the surface of the ship to be operated by holding the handle 2, the front end of the stabilizing arm 52 is kept to be contacted with the surface of the ship, the distance between the nozzle 3 and the surface of the ship is adjusted by adjusting the fixing bolt of the stabilizing frame 5 and the gun body 1 and the length of the stabilizing arm 52, and then the coating inlet 11 and an external coating storage device are started by the trigger 23 to operate.
In summary, the embodiment of the present invention provides a spray gun for ship coating operation, wherein a stabilizing frame and at least three stabilizing arms of the stabilizing frame are arranged at the front end of a gun body, and the front ends of the stabilizing arms are arranged at the front side of a nozzle, so that when coating operation is performed, the front ends of the stabilizing arms contact with an object to be coated, a stable supporting surface is formed between the stabilizing arms, and when the spray gun moves, the distance between the nozzle and the object to be coated can be ensured to be unchanged, the spraying distance can be accurately controlled, the thickness of a coating layer can be ensured to be uniform, and the spraying quality can be improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a spray gun for boats and ships application operation, has the body of a gun of runner including inside, arranges the handle at the tail end of body of a gun and sets up the nozzle at the front end of body of a gun, be provided with on the handle with the air inlet of runner intercommunication, still be provided with the coating entry on the body of a gun, its characterized in that, the front end of body of a gun still is provided with the steadying frame, the steadying frame is including setting firmly fixing base on the body of a gun and arranging at least three steadying arm on the fixing base, the front end of steadying arm is for being used for the contact jaw with boats and ships contact, the contact jaw with have the interval that is used for forming the spray distance between nozzle and the boats and ships between the nozzle.
2. The spray gun for marine painting work according to claim 1, wherein the fixing base is movably arranged on the gun body in a front-rear direction, and a fixing member for fixing the fixing base is provided on the gun body.
3. The spray gun for marine painting work according to claim 2, wherein the gun body is provided with an external thread, the holder is screw-fitted to the gun body, and the fixing members are fixing nuts respectively disposed on front and rear sides of the holder.
4. The spray gun for marine painting operations according to any one of claims 1 to 3, wherein the stabilizer arm comprises a screw fixed to the stabilizer and a solenoid threadedly fitted on the screw.
5. The spray gun for marine painting operations according to claim 4, wherein the screw has a discontinuous thread, and the screw is provided with a scale extending in an axial direction of the screw.
6. The spray gun for marine painting operations according to any one of claims 1 to 3, characterized in that a paint canister communicating with the flow passage is further provided on the gun body, the paint canister being disposed on a rear side of the paint inlet.
7. The spray gun for marine painting operations according to any one of claims 1 to 3, wherein a paint adjusting knob for adjusting a flow rate of paint is further provided on the gun body, the paint adjusting knob being disposed on a front side of the paint inlet.
8. The spray gun for marine coating operations according to any one of claims 1 to 3, wherein an air adjustment knob for adjusting the air flow rate is further provided on the grip, the air adjustment knob being provided on the front side of the air inlet.
9. The spray gun for marine coating operations according to any one of claims 1 to 3, wherein the body is further provided with a bowl-shaped shield, the opening of which is directed towards the front side of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310339.7A CN111330756A (en) | 2020-04-17 | 2020-04-17 | Spray gun for ship coating operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310339.7A CN111330756A (en) | 2020-04-17 | 2020-04-17 | Spray gun for ship coating operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111330756A true CN111330756A (en) | 2020-06-26 |
Family
ID=71177331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010310339.7A Pending CN111330756A (en) | 2020-04-17 | 2020-04-17 | Spray gun for ship coating operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111330756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116116675A (en) * | 2023-03-27 | 2023-05-16 | 宁德市建港海洋装备有限公司 | Coating process and coating equipment for luxury yacht paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070034720A1 (en) * | 2003-03-28 | 2007-02-15 | Martin Oberscheidt | Spray head for high-pressure abrasive blasting applications |
| CN203778279U (en) * | 2014-01-16 | 2014-08-20 | 天津市双狮涂料有限公司 | Water-based paint spray gun |
| CN205020273U (en) * | 2015-09-02 | 2016-02-10 | 厦门大千振宇集团有限公司 | High pressure airless spraying gun |
| CN105537038A (en) * | 2016-01-29 | 2016-05-04 | 华北电力大学（保定） | RTV coating spraying equipment for supporting column insulator of transformer substation |
| CN106238239A (en) * | 2016-09-27 | 2016-12-21 | 佛山职业技术学院 | A kind of can the novel spray gun of adjusting coating spray volume size |
| CN205914302U (en) * | 2016-08-24 | 2017-02-01 | 李晓斌 | Many spraying swath spray gun |
| CN208679500U (en) * | 2018-07-10 | 2019-04-02 | 苏州互尔达自动化科技有限公司 | A kind of novel air spray gun |
| CN209476517U (en) * | 2019-07-22 | 2019-10-11 | 江苏省特种设备安全监督检验研究院 | A kind of hand-held spray guns for strengthening welding point for high-pressure water jet |
| CN209577128U (en) * | 2018-12-19 | 2019-11-05 | 福建鸿大革业有限公司 | A kind of polyurethane sprayer |
| CN110523557A (en) * | 2019-08-19 | 2019-12-03 | 金华研创科技有限公司 | A kind of efficient hand-held spray guns and spraying method |
-
2020
- 2020-04-17 CN CN202010310339.7A patent/CN111330756A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070034720A1 (en) * | 2003-03-28 | 2007-02-15 | Martin Oberscheidt | Spray head for high-pressure abrasive blasting applications |
| CN203778279U (en) * | 2014-01-16 | 2014-08-20 | 天津市双狮涂料有限公司 | Water-based paint spray gun |
| CN205020273U (en) * | 2015-09-02 | 2016-02-10 | 厦门大千振宇集团有限公司 | High pressure airless spraying gun |
| CN105537038A (en) * | 2016-01-29 | 2016-05-04 | 华北电力大学（保定） | RTV coating spraying equipment for supporting column insulator of transformer substation |
| CN205914302U (en) * | 2016-08-24 | 2017-02-01 | 李晓斌 | Many spraying swath spray gun |
| CN106238239A (en) * | 2016-09-27 | 2016-12-21 | 佛山职业技术学院 | A kind of can the novel spray gun of adjusting coating spray volume size |
| CN208679500U (en) * | 2018-07-10 | 2019-04-02 | 苏州互尔达自动化科技有限公司 | A kind of novel air spray gun |
| CN209577128U (en) * | 2018-12-19 | 2019-11-05 | 福建鸿大革业有限公司 | A kind of polyurethane sprayer |
| CN209476517U (en) * | 2019-07-22 | 2019-10-11 | 江苏省特种设备安全监督检验研究院 | A kind of hand-held spray guns for strengthening welding point for high-pressure water jet |
| CN110523557A (en) * | 2019-08-19 | 2019-12-03 | 金华研创科技有限公司 | A kind of efficient hand-held spray guns and spraying method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116116675A (en) * | 2023-03-27 | 2023-05-16 | 宁德市建港海洋装备有限公司 | Coating process and coating equipment for luxury yacht paint |
| CN116116675B (en) * | 2023-03-27 | 2023-09-26 | 宁德市建港海洋装备有限公司 | Coating process and coating equipment for luxury yacht paint |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200626 |
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| RJ01 | Rejection of invention patent application after publication |