WO2005039781A1 - スプレーガン - Google Patents
スプレーガン Download PDFInfo
- Publication number
- WO2005039781A1 WO2005039781A1 PCT/JP2003/013884 JP0313884W WO2005039781A1 WO 2005039781 A1 WO2005039781 A1 WO 2005039781A1 JP 0313884 W JP0313884 W JP 0313884W WO 2005039781 A1 WO2005039781 A1 WO 2005039781A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- paint
- body frame
- spray gun
- spray
- Prior art date
Links
Classifications
-
- 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
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
- B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/18—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area using fluids, e.g. gas streams
-
- 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
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
-
- 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
- B05B7/1209—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means for each liquid or other fluent material being manual and interdependent
-
- 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
- B05B7/1209—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means for each liquid or other fluent material being manual and interdependent
- B05B7/1245—A gas valve being opened before a liquid valve
-
- 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
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
Definitions
- the present invention relates to a spray gun which sprays a coating liquid in a mist state.
- the covering air flow formed by jetting from the annular air jet device is sprayed from the paint jetting portion of the spray gun. It surrounds the periphery of the coating liquid flow and effectively suppresses the unnecessary dispersion of the coating liquid, which is a cause of pollution.
- An object of the present invention is to provide a spray gun capable of coping with these situations. Disclosure of the invention The present invention relates to a spray gun in which paint is sprayed in a mist form from a paint spray section provided in a main body frame by operating an operation member, wherein a covering air surrounding the mist paint sprayed from the paint spray section. Air injection means for forming a flow is formed in the thick portion or the internal space of the main body frame, and the air flow is formed by the air injection means in relation to the operation of the operation section. Eggplant
- the covering air flow ejected and formed from the air ejecting means surrounds the periphery of the mist paint liquid ejected from the paint ejecting section, and is wasted due to the wind of the paint liquid. It will reduce scattering and pollution caused by this.
- the air injection means which replaces the conventional annular air injection device is incorporated in the inside of the main body frame, the trouble of separately attaching to the spray gun unlike the conventional annular air injection device is unnecessary. By operating a single operating member, a covering air flow is formed by the air injection means. Further, since the conventional annular air injection device is not required, the annular air injection device itself, No paint liquid will adhere to the gap between the annular air injection device and the main frame of the spray gun.
- a spray gun in which paint is sprayed in a mist form from a paint spray unit provided on a main body frame by operating an operation member;
- a cover that surrounds the mist of the mist paint, an air injection section that injects compressed air to form an air flow, an air intake for taking in compressed air supplied from outside, An air flow passage for flowing compressed air taken in from the mouth to the air injection section, and an air valve for opening and closing the air flow passage are provided in a thick portion or an internal space of the main body frame;
- An interlocking means for opening and closing the air valve in connection with the operation of the member is provided.
- the same operation as the above invention can be obtained, and the compressed air taken in from the air intake is reliably injected from the paint injection unit by operating the operation member.
- the paint spraying section is provided at the forefront of the front-rearward section of the main body frame, and a front-rear input rod for opening and closing a paint valve section which is a part of the paint spraying section is provided on the rear side.
- a member is provided, and an air valve body forming a part of the air valve is provided at a rear portion of the input rod member, and the input rod member is displaced in conjunction with operation of the operation member.
- the spray paint from the paint spray unit by opening the paint valve unit and the air spray from the air spray unit by opening the air valve are started by operating the single operation member. Is formed into a compact gun shape.
- FIG. 1 is a perspective view of a spray gun according to the present invention
- FIG. 2 is a side view of a main part of the spray gun
- FIG. 3 is a side view showing an internal structure of the main part
- FIG. It is sectional drawing which shows a part of principal part.
- reference numeral 1 denotes a main structure portion relatively elongated in the front-rear direction
- reference numeral 2 denotes a bar-shaped grip portion extending downward from a lower portion in the front-rear direction of the main structure portion 1.
- the main structure 1 has a central main body 1a, a paint injection section 3 and a compressed air injection section 4A at the front of the central main body la, and a compressed air supply section 4B at the rear. It has been done.
- Central body portion 1 a is provided with a body frame over arm 5 provided with the front and rear direction portions 5 a and the paint supply unit 5 b, lever operated via the lateral supporting shaft 6 a at the top of the front and rear direction center of the main body frame 5
- the member 6 is to be mounted.
- the front-rearward portion 5a has a plurality of stepped inner holes 7a, 7b, 7c, 7d, 7e formed in the center thereof in a communicating manner, and these inner holes 7a, 7b, 7c, 7d, 7e
- a cylindrical sliding portion in which a straight forward-backward input rod member 8 is slidably moved back and forth, and a spring receiving plate 9a, a compression coil spring 9 and a sealing material 10 are accommodated inside an inner hole 7c.
- a material 11 is internally provided, and a female screw is formed on the inner peripheral surface of the inner hole 7d, and a seal receiving member 12 is screwed to the female screw.
- laterally extending portions 13 are formed on the left and right sides of the rear portion of the front-rearward portion 5a, and each laterally extending portion 13 has a small diameter from the front end face to the rear as shown in FIG.
- the guide holes 13a are formed, and the small-diameter shaft members 14 are inserted into the respective guide holes 13a so as to be able to move back and forth, and the front end of each small-diameter shaft member 14 is located behind the upper part of the side surface of the lever operation member 6. It is in contact with the end face.
- a straight air passage 15 extending substantially over the entire length of the front-rear portion 5a is formed above the front-rear portion 5a.
- the paint supply section 5b has an inner hole 16a formed with a female screw.
- the inner hole 16a is a relatively thin inclined inner hole 16 formed in the front-rearward portion 5a. It communicates with the inner hole 7a through b.
- the paint spraying section 3 is provided with a paint valve section 19 comprising a valve seat member 17 and a valve body member 18, and a recessed hole which is disposed opposite to the front side of the valve seat member 17 via a ring-shaped packing 20.
- An injection hole member 2 1 having an injection hole 2 1 a and a relatively small diameter injection hole 2 1 b and an injection hole member 2 1 which is joined to a front thread portion 17 a of a valve seat member 17.
- Compression spring 23 for pressing toward the annular contact surface 17D around the periphery 17D At this time, the rear threaded portion 17 of the valve seat member 17 e is screwed into the female thread of the inner hole 7a of the front-rearward portion 5a of the body frame 5, the valve body member 18 has a hemispherical spherical end surface, and the compression spring 2 3 The rear end of the inner hole 7a It is supported on the longitudinal sides 7 f located in the innermost part of the threaded portion.
- the air injection section 4A has a configuration in which an annular injection hole member 25 is screwed into a male screw portion 24 formed at the front end of the front-rearward portion 5a. 5 is formed at the center with a female screw to be screwed into the male screw part 24 and A front-rear injection hole 25a is formed at a specific pitch in the circumferential direction, and the rear end of each injection hole 25a is connected through an annular groove 26 formed on the rear surface. At this time, each of the injection holes 25a communicates a conical surface a1 that is reduced in diameter forward and a conical surface a2 that is increased in diameter frontward in a front-rear arrangement.
- each injection hole 25a is parallel to the front-rear center line c of the annular injection hole member 25 in accordance with Japanese Patent No. 2917190. It is better to incline it by slightly displacing it around the corresponding radius line b 2, and to form an annular groove 26 at the front end face 27, which is located at the rear end of the male screw part 24, and which faces the front end face 27. It is air-tightly covered and communicates with the air flow passage 15.
- the compressed air supply part 4B is formed in a rear end frame 28 fixed to the rear end face of the front-rearward part 5a and an inner hole 28b of the rear protruding part 28a of the rear end frame 28.
- the frame 28 includes an air flow rate adjusting section 31 formed on the upper part.
- the rear end frame 28 has a front-rear center hole 28c communicating from the inner hole 7e of the front-rearward portion 5a to the inner hole 28b, and an air intake port 28d formed on the lower surface.
- Air inlet hole 28 e with a 90-degree bend that passes through the inner hole 28 b from the center hole 28 c in the front-rear direction through the front opening 28 g of the upper protruding part 28 f into the air flow passage 15 It has a 90-degree bent air circulation hole 28 h.
- the air valve 30 has a cylindrical air valve body 32 inserted in the front-rear center hole 28c, a valve seat portion 28j formed at the rear end of the front-rear center hole 28c, A valve element urging means 3 3 for urging the air valve element 32 forward is provided, wherein the air valve element 32 has a male screw portion 3 2a on the outer peripheral surface in order from the front side, Sliding peripheral surface portion 3 2b inserted in front-rear center hole 28c, passage peripheral surface portion 32c with a smaller diameter than sliding peripheral surface portion 32b, and tapered surface portion 32 extending rearward
- the disc urging means 33 includes a disk member 34 screwed to the male screw portion 32 a, and a front-rear center hole 28 c at the front of the rear end frame 28.
- Spring support formed at an appropriate interval near the periphery of It is composed of a hole 28k and a compression spring 35 mounted between the rear surface of the disk member 34 and the bottom surface of the spring support hole 28k. At this time, the front surface of the disk member 34 is received by the rear end of the small-diameter shaft member 14 so as to regulate the forward displacement of the air valve body 32.
- the air valve body 32 is formed with a front-rear center hole 32 e.
- the front-rear input rod member 8 is inserted into the front-rear center hole 32 e, and the rear side of the air valve body 32 is formed.
- the receiving nut 36 is screwed into the rear end thread of the input rod member 8 in the front-rear direction.
- a lock bolt 37 for connection is screwed in, and furthermore, a front-rear input rod member 8 is urged forward between the flange of the receiving nut 36 and the inner surface of the rear end of the cylindrical case 29.
- a compression spring 38 is installed for The compression spring 38 contributes to the change and adjustment of the operation force required for the lever operation member 6 and the like.
- the air flow adjusting part 31 is formed with a receiving bolt 39 screwed into a vertically oriented female screw part 28 m formed on the upper projecting part 28 f in a fastening manner, and formed at the center of the receiving port 39.
- An adjustment port 40 having a conical surface 40a at the end screwed to the female screw, and a lock nut 41 for receiving and fixing the adjustment bolt 4 ⁇ on the bolt 39.
- a hook member 42 is fixed to the upper protruding portion 28 f via a receiving bolt 39.
- the rod-shaped grasping part 2 has a tubular member 43 screwed into the inner hole 16a of the paint supply part 5b, and a paint supply hose (not shown) is provided at the lower end of the center hole 43a of the tubular member 43.
- a connection member 44 for connection is fixed, and a filter 45 for filtering impurities contained in the coating liquid passing through the center hole 44a is built in the center hole 44a. .
- Reference numeral 46 denotes an L-shaped protective frame fixed between the front lower part of the front-rearward portion 5a and the connecting member 44 in a bridging manner. 47 and 48 are seal members.
- the lever operation member 6 swings rearward around the lateral support shaft 6a, and this displacement pushes the front ends of the left and right small-diameter shaft members 14 rearward.
- the rear ends of the left and right small-diameter shaft members 14 push the air valve element 32 and the front-rear input rod member 8 via the disk member 34 against the elasticity of the compression springs 35, 38. To displace it backwards.
- the rearward displacement of the air valve body 32 causes the tapered surface portion 3 2 d to separate from the valve seat portion 28 to open the air valve 30, and the opening of the air valve 30 causes air intake.
- B. The compressed air that has reached the 28 d and the air inlet hole 28 e is caused to flow into the front-rear center hole 28 c.
- the compressed air that has reached the front-rear center hole 28 c further passes through the air circulation hole 28 h, the throttle gap around the tip of the adjustment bolt 40, the air flow passage 15, and the annular groove 26, It spouts vigorously forward from each nozzle hole 25a.
- the rearward displacement of the air valve body 32 further causes the front-rear input rod member 8 to move in conjunction with the rearward movement, and the displacement of the front-rear input rod member 8 corresponds to the valve body member 18 and the annular contact surface 17 d.
- the pressure coating liquid flows into the inner holes 16a, 16b, and 17b, and then is jetted forward through the nozzle holes 17c, 21b and the concave hole 21a, and is jetted. After that, the mist is made into a mist by friction with the outside air, and gradually becomes larger in diameter as it goes forward, and flows in a conical shape.
- such paint spraying from the paint spraying section 3 is performed after the compressed air spraying from the air spraying section 4 is started, so that the flow of the sprayed mist paint liquid is good.
- the surroundings are wrapped in a specific direction of air flow by compressed air injection, and the surrounding ring
- the agitation of the mist-like coating liquid by the injection of compressed air promotes the uniformity of the coating liquid density and contributes to the suppression of spots on the painted surface.
- the paint spraying from the paint spraying unit 3 is performed by the pressure energy of the paint liquid supplied into the inner hole 16b, but the invention is not limited to this.
- the paint in the paint can may be sucked by the compressed air energy and ejected from the paint ejecting section 3 as in the spray gun disclosed in Japanese Patent No. 2999064.
- the air injection means is incorporated inside the main body frame, it is not necessary to separately attach the air injection means to the spray gun as in the conventional annular air injection apparatus.
- the compressed air it is sufficient to operate only the operation member for spraying the paint of the spray gun, and it is not necessary to remove the paint adhered by using the spray gun.
- the compressed air taken in from the air intake can be reliably injected from the paint injection unit by operating the operation member.
- a configuration in which the paint ejection from the paint ejection unit and the air ejection from the air ejection unit are started by operating a single operation member can be formed in a compact gun mode.
Landscapes
- Nozzles (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003280618A AU2003280618A1 (en) | 2003-10-29 | 2003-10-29 | Spray gun |
PCT/JP2003/013884 WO2005039781A1 (ja) | 2003-10-29 | 2003-10-29 | スプレーガン |
DE60334578T DE60334578D1 (de) | 2003-10-29 | 2003-10-29 | Spritzpistole |
US10/573,483 US20080191060A1 (en) | 2003-10-29 | 2003-10-29 | Spray Gun |
EP03769991A EP1679125B9 (en) | 2003-10-29 | 2003-10-29 | Spray gun |
CN200380110596A CN100579662C (zh) | 2003-10-29 | 2003-10-29 | 喷枪 |
AT03769991T ATE484340T1 (de) | 2003-10-29 | 2003-10-29 | Spritzpistole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/013884 WO2005039781A1 (ja) | 2003-10-29 | 2003-10-29 | スプレーガン |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005039781A1 true WO2005039781A1 (ja) | 2005-05-06 |
Family
ID=34509597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/013884 WO2005039781A1 (ja) | 2003-10-29 | 2003-10-29 | スプレーガン |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080191060A1 (ja) |
EP (1) | EP1679125B9 (ja) |
CN (1) | CN100579662C (ja) |
AT (1) | ATE484340T1 (ja) |
AU (1) | AU2003280618A1 (ja) |
DE (1) | DE60334578D1 (ja) |
WO (1) | WO2005039781A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9192950B2 (en) | 2009-11-20 | 2015-11-24 | Wagner Spray Tech Corporation | Sprayer for a fluid delivery system |
CN104624431B (zh) * | 2013-11-14 | 2018-11-06 | 盛美半导体设备(上海)有限公司 | 防止残留液体滴落的管道 |
FR3032632A1 (fr) * | 2015-02-12 | 2016-08-19 | Exel Ind | Pistolet de projection d'un fluide, filtre pour un tel pistolet, et procede d'extraction d'un filtre hors d'un tel pistolet |
US10940498B2 (en) | 2017-09-14 | 2021-03-09 | Wager Spray Tech Corporation | Airless spray gun with improved trigger assembly |
CN111438012A (zh) * | 2020-04-17 | 2020-07-24 | 宁波李氏实业有限公司 | 一种自动喷枪 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2917019B1 (ja) | 1998-05-29 | 1999-07-12 | 華光造機株式会社 | エアースプレーガン塗装装置 |
JPH11244735A (ja) * | 1997-12-30 | 1999-09-14 | Beishin Kogyo Kk | 塗料、モルタル等の吹付装置 |
JP2990604B1 (ja) | 1998-08-31 | 1999-12-13 | 華光造機株式会社 | スプレーガン及び同装置 |
JP2002282745A (ja) * | 2001-03-28 | 2002-10-02 | Auto Kagaku Kogyo Kk | 水分硬化性一液型塗料の塗布方法及びその塗布装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1661150A (en) * | 1924-07-26 | 1928-02-28 | Matthews W N Corp | Coating apparatus |
US2504216A (en) * | 1944-12-23 | 1950-04-18 | Walter N T Morton | Spray gun |
US3635401A (en) * | 1969-10-27 | 1972-01-18 | Gourdine Coating Systems Inc | Electrostatic spraying methods and apparatus |
US3857511A (en) * | 1973-07-31 | 1974-12-31 | Du Pont | Process for the spray application of aqueous paints by utilizing an air shroud |
US4200234A (en) * | 1978-10-20 | 1980-04-29 | General Motors Corporation | Hot air shroud for paint spray gun |
US4767056A (en) * | 1987-04-20 | 1988-08-30 | Kris Demetrius | Spray guard |
US4759502A (en) * | 1987-07-13 | 1988-07-26 | Binks Manufacturing Company | Spray gun with reversible air/fluid timing |
US5395054A (en) * | 1994-03-21 | 1995-03-07 | Ransburg Corporation | Fluid and air hose system for hand held paint spray gun |
GB9823032D0 (en) * | 1998-10-22 | 1998-12-16 | Lindsay James | Method and apparatus for spraying |
-
2003
- 2003-10-29 DE DE60334578T patent/DE60334578D1/de not_active Expired - Lifetime
- 2003-10-29 CN CN200380110596A patent/CN100579662C/zh not_active Expired - Fee Related
- 2003-10-29 WO PCT/JP2003/013884 patent/WO2005039781A1/ja active Application Filing
- 2003-10-29 US US10/573,483 patent/US20080191060A1/en not_active Abandoned
- 2003-10-29 AU AU2003280618A patent/AU2003280618A1/en not_active Abandoned
- 2003-10-29 AT AT03769991T patent/ATE484340T1/de not_active IP Right Cessation
- 2003-10-29 EP EP03769991A patent/EP1679125B9/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11244735A (ja) * | 1997-12-30 | 1999-09-14 | Beishin Kogyo Kk | 塗料、モルタル等の吹付装置 |
JP2917019B1 (ja) | 1998-05-29 | 1999-07-12 | 華光造機株式会社 | エアースプレーガン塗装装置 |
US6135365A (en) | 1998-05-29 | 2000-10-24 | Kako Zoki Co., Ltd | Air spray gun type coating device |
JP2990604B1 (ja) | 1998-08-31 | 1999-12-13 | 華光造機株式会社 | スプレーガン及び同装置 |
JP2000070771A (ja) | 1998-08-31 | 2000-03-07 | Kako Zoki Kk | スプレーガン及び同装置 |
JP2002282745A (ja) * | 2001-03-28 | 2002-10-02 | Auto Kagaku Kogyo Kk | 水分硬化性一液型塗料の塗布方法及びその塗布装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1859982A (zh) | 2006-11-08 |
EP1679125B9 (en) | 2011-01-12 |
CN100579662C (zh) | 2010-01-13 |
DE60334578D1 (de) | 2010-11-25 |
EP1679125A4 (en) | 2008-07-02 |
US20080191060A1 (en) | 2008-08-14 |
EP1679125B1 (en) | 2010-10-13 |
EP1679125A1 (en) | 2006-07-12 |
ATE484340T1 (de) | 2010-10-15 |
AU2003280618A1 (en) | 2005-05-11 |
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