CN102145782B - Pressing type emulsion spray nozzle - Google Patents
Pressing type emulsion spray nozzle Download PDFInfo
- Publication number
- CN102145782B CN102145782B CN201110115616XA CN201110115616A CN102145782B CN 102145782 B CN102145782 B CN 102145782B CN 201110115616X A CN201110115616X A CN 201110115616XA CN 201110115616 A CN201110115616 A CN 201110115616A CN 102145782 B CN102145782 B CN 102145782B
- Authority
- CN
- China
- Prior art keywords
- piston
- push rod
- pump housing
- valve rod
- wall
- 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.)
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- 239000000839 emulsion Substances 0.000 title claims abstract description 21
- 239000007921 spray Substances 0.000 title claims abstract description 11
- 238000003825 pressing Methods 0.000 title claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 210000002435 tendon Anatomy 0.000 claims description 13
- 239000007788 liquid Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1059—Means for locking a pump or its actuation means in a fixed position
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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
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1043—Sealing or attachment arrangements between pump and container
- B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
- B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The invention discloses a pressing type emulsion spray nozzle, which comprises a head cap, a valve rod, a bottle cap and a pump assembly, and is characterized in that: a piston is arranged in a pump body and comprises a shaft neck and a sealing ring projecting outwards radially along the outer wall of the shaft neck; a circle of annular groove with an upward opening is formed on the outer wall of an ejector rod, and can be in splicing fit with the bottom edge of the shaft neck of the piston to realize sealing between the ejector rod and the piston; the piston is provided with a rib on the inner wall of the shaft neck; and the ejector rod is provided with a circle of circumferential convex ring, which can be tightly pressed against the rib, on the upper part of the annular groove. Compared with the prior art, the spray nozzle has the advantages that: the inner wall of the piston is provided with the rib and the outer wall of the ejector rod is provided with the convex ring, so that the piston can still move upwards along with the ejector rod under the action of friction between the rib and the convex ring in the resetting process of the ejector rod, a liquid absorption channel between the piston and a top plate can continually keep open, and emulsion left in the spray nozzle can be absorbed back into the pump body.
Description
Technical field
The present invention relates to a kind of minisize liquid jetting system, particularly a kind of press type emulsion shower nozzle.
Background technology
Along with the continuous progress of science and technology and improving constantly of living standards of the people, the emulsion shower nozzle is used in various lives and workplace in large quantities widely.Like the patent No. is a kind of emulsion nozzle structure the Chinese utility model patent emulsion pump of self-locking mechanism " band " of ZL02248044.7 discloses, and this shower nozzle comprises head, thread, body, principal post, piston, spring and check valve up and down; It is characterized in that the principal post outer wall is provided with guiding rib vertically; On thread, be provided with the guide pipe that entangles the principal post outer wall; Guide pipe inside is provided with the axially directed groove that the guiding rib that can let on the principal post passes through; One side of guide groove epimere and hypomere is offered breach along the arc inner wall of guide pipe respectively; When principal post is positioned at the top or during the below, principal post can rotate and make its guiding rib leave the guide groove in the guide pipe and get in the described breach.
But; The greatest problem of above-mentioned patent in process on probation is: the emulsion shower nozzle has liquid residue at the shower nozzle oral area after the examination spray, and the liquid that is drawn onto the shower nozzle oral area on promptly can't in time be drawn back in the pump housing; Residual liquid after can causing thus trying to have sprayed is easy to the oral area drippage from shower nozzle; Cause the pollution on environment for use (like desktop, ground etc.), both be unfavorable for the cleaning and the environmental protection of shower nozzle bottleneck, also caused the waste of atomizing of liquids.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of use more to clean to above-mentioned prior art present situation and can effectively realize resorption and the press type emulsion shower nozzle of avoiding unnecessary atomizing of liquids to flow out from the shower nozzle oral area.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of press type emulsion shower nozzle includes
Head cap is provided with nozzle;
Valve rod is connected on the said head cap, offers the spray chamber that is connected with said nozzle on the said valve rod;
Bottle cap offers through hole vertically;
The pump assembly; Include the pump housing, push rod, spring and hoodle; Wherein, the said pump housing is arranged in the said through hole, and said hoodle is arranged at the suction end of the said pump housing; Said push rod is arranged in the said pump housing, and said spring is arranged between the said push rod and the pump housing and makes said push rod have all the time the upwards trend of jack-up;
It is characterized in that: also be provided with piston in the said pump housing, wherein, said piston includes the axle journal that is sheathed on outside the said push rod and along the outer wall of this axle journal radially evagination and the seal ring that can offset with the madial wall of the said pump housing; The outer wall of said push rod also is formed with one and encloses the annular groove that opening upwards is provided with, and realizes the sealing between push rod and the piston along the grafting cooperation at the bottom of the axle journal of this annular groove ability and said piston; Said piston also is provided with convex tendon on the inwall of axle journal, said push rod on the top that is positioned at said annular groove along circumferentially being provided with the bulge loop that a circle can be tight against with said convex tendon mutually.
In order to guarantee the reliable connection between the pump housing and the bottle cap; Improve the bonded assembly leak tightness, as preferably, said pump assembly also includes cutting ferrule; The internal diameter that said cutting ferrule has the external diameter size and a said pump housing is the body of inserting mutually; The body top of this cutting ferrule is along circumferentially being formed with the radially snap ring of evagination, and the body of said cutting ferrule inserts among the said pump housing, and the snap ring of this cutting ferrule is limited in the top of the said pump housing.
In order to realize the axial limiting of valve rod; The lower end that guarantees valve rod links to each other with the pump housing all the time; As preferably, the bottom lateral wall of said valve rod is formed with the cascaded surface of evagination, the inwall of said cutting ferrule be formed with can and said cascaded surface offset and limit the projection of said valve rod longitudinal travel.
In order to improve the leak tightness between the piston and the pump housing, as preferably, the seal ring cross section of said piston is dolioform, also form between the axle journal of said piston and the first half of said seal ring one can and the annular slot that offsets of the base of said valve rod.After valve rod is pressed downwards, thereby the base of valve rod is inserted in the annular slot and can driven plunger down moves together.
The installation of spring for ease; As preferably; Said spring housing is located on the said push rod; The inner chamber of the said pump housing also is provided with the positioning table terrace in the position near said suction end, and an end of said spring and said positioning table terrace offset, and the outer bottom of the other end of this spring and the annular groove of said push rod offsets.
In order to prevent maloperation; Emulsion flows out from nozzle when avoiding not using, as preferably, on the said valve rod also removable be connected with one can prevent the head cap mistake by lock tube; The cross-sectional plane of said lock tube is c-shaped; The top external diameter size of the openings of sizes of this lock tube and said valve rod is suitable, and the top of said lock tube and said head cap bottom offset, and the bottom of this lock tube and the top of said bottle cap offset.So when lock tube was set on the valve rod, this moment, head cap can't press down, and has only after lock tube is taken away because of the relation of lock tube, head cap can drive valve rod and press down; In addition, lock tube adopts the C tee section, can directly be buckled on the valve rod, and processing ease is installed and remove convenient.
Compared with prior art; The invention has the advantages that: the inwall at piston is provided with convex tendon, and the outer wall of push rod is provided with the bulge loop that can be tight against mutually with convex tendon, through the friction force effect between convex tendon and the bulge loop; Make in the reseting procedure of push rod; Piston still can be along with push rod upward movement together, thereby guarantees that the imbibition passage between piston and the top cover can continue to stay open state, and then guarantees the balance of pump housing inner and outer air pressure; Make the emulsion that remains in the nozzle can be drawn back in the pump housing, avoid after examination has been sprayed, having the phenomenon of emulsion from the oral area drippage of nozzle; Of the present invention simple in structure, resorption is effective, has realized the spatter property and the feature of environmental protection of shower nozzle use better.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of the embodiment of the invention.
Fig. 3 is one of sectional arrangement drawing of the embodiment of the invention (under the lock-out state).
Fig. 4 is two (under the mode of operations) of the sectional arrangement drawing of the embodiment of the invention.
Fig. 5 is the valve rod cutaway view of the embodiment of the invention.
Fig. 6 is the pump housing cutaway view of the embodiment of the invention.
Fig. 7 is the piston structure scheme drawing of the embodiment of the invention.
Fig. 8 is the cutaway view of piston shown in Figure 7.
Fig. 9 is the push rod structure scheme drawing of the embodiment of the invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Like Fig. 1～shown in Figure 9, the emulsion shower nozzle of present embodiment adopts the press type structure, and this shower nozzle includes
The pump assembly includes the pump housing 4, push rod 5, spring 6, hoodle 41, piston 7 and cutting ferrule 8, wherein; The pump housing 4 is arranged in the through hole, and the pump housing 4 offers induction opening 42 on the sidewall near open upper end, and the liquid inlet of the pump housing 4 is inserted with suction pipe 43; Hoodle 41 is arranged at the suction end of the pump housing 4; Push rod 5 is arranged in the pump housing 4 movably, and spring 6 is sheathed on the push rod 5 and makes push rod 5 have all the time the upwards trend of jack-up, and the inner chamber of the pump housing 4 is being provided with spring 6 positioning ends near the position that sucks end; One end of spring 6 links to each other with these spring 6 positioning ends, and the outer bottom of the annular groove of the other end of this spring 6 and push rod 5 offsets;
Wherein, Piston 7 includes the axle journal 71 that is sheathed on outside the push rod 5 and along the outer wall of this axle journal 71 seal ring 72 of evagination radially; Seal ring 72 cross sections are dolioform; And the madial wall of the pump housing 4 can offset with sealing ring 72, also forms annular slot 73 between the axle journal 71 of piston 7 and the first half of seal ring 72, and the base of valve rod 2 can just in time be inserted in this annular slot 73;
The outer wall of push rod 5 is along circumferentially being formed with annular boss 51; The top of this boss 51 offers a ring annular groove 511; Sealing at the bottom of the axle journal of annular groove 511 abilities and piston 7 between edge 712 grafting cooperations and realization push rod 5 and the piston 7; Under complete reset mode, axle journal 71 bottoms of piston 7 are plugged in the annular groove 511 of push rod 5 all the time, and piston 7 keeps sealing states with push rod 5; Piston 7 also is provided with convex tendon 711 on the inwall of axle journal 71; Push rod 5 on the top that is positioned at annular groove 511 along circumferentially being provided with the bulge loop 52 that a circle can be tight against with convex tendon 711 mutually; The inwall of the pump housing 4 also is formed with the interior step surface 421 that can offset with annular groove 511 bottoms of this push rod 5, and step surface 421 is realized the axial location that push rod 5 moves downward in this;
The internal diameter that cutting ferrule 8 has the external diameter size and a pump housing 4 is the body 81 of inserting mutually; The body 81 of cutting ferrule 8 inserts among the pump housing 4; Body 81 tops of cutting ferrule 8 are along circumferentially being formed with the radially snap ring 82 of evagination; The snap ring 82 of cutting ferrule 8 is limited in the top of the pump housing 4, the inwall of cutting ferrule 8 also be formed with can and the cascaded surface 21 of valve rod 2 offset and limit the projection 83 of valve rod 2 longitudinal travels;
For fear of maloperation; When shower nozzle is obsolete; Can also be connected with a removable lock tube 9 on the valve rod 2, the cross-sectional plane of this lock tube 9 is c-shaped, and the top external diameter size of the openings of sizes of lock tube 9 and valve rod 2 is suitable; The top of lock tube 9 and head cap 1 bottom offset, and the top of the bottom of this lock tube 9 and bottle cap 3 offsets.
The principle of work of present embodiment is following:
When lock tube 9 eye-splices in 2 last times of valve rod, this moment, lock tube 9 withstood head cap 1, head cap 1 can't be pressed downwards, shower nozzle is in the lock state.After pulling out lock tube 9, this moment head cap 1 infinite place, shower nozzle is in running order.
When first use; Downward pressing head cap 1, valve rod 2 drives push rods 5 and moves downward, and forms a movable sealing chamber A between the pump housing 4, piston 7 and push rod 5 threes; After relative motion takes place with push rod 5 in piston 7; Air in the A of movable sealing chamber can be discharged through the gap between piston 7 and the push rod 5, and after unclamping head cap 1, the elastic force effect that push rod 5 receives spring 6 upwards resets; Through after the circulation repeatedly of said process; Along with the gas among the A of movable sealing chamber is discharged the sealing chamber, movable sealing chamber A and the extraneous pressure reduction that forms, the liquid in the bottle is pressed among the A of movable sealing chamber through the barometric pressure effect; Simultaneously; Extraneous gas enters into bottle through the induction opening of the pump housing 4 one sides, in order to fill the space of discharged liquid in the bottle, prevents the bottle distortion.
Continue pressing head cap 1; Because full of liquid in the A of movable sealing chamber, spring 6 is compressed under push rod 5 pressure effects, and the space of movable sealing chamber A diminishes gradually; Make A interior pressure in movable sealing chamber constantly increase; When the interior pressure of movable sealing chamber A increased to a certain degree, liquid got into the spray chamber of valve rod 2, at last through the shower nozzle ejection.
In the process that push rod 5 presses down; Friction force between piston 7 and the push rod 5 is less than the friction force between the piston 7 and the pump housing at the beginning; Do relative motion between push rod 5 and the piston 7, the sealed end between push rod 5 and the piston 7 is opened and is formed the gap, after the convex tendon 711 of the bulge loop 52 of push rod 5 and piston 7 offsets; Friction force between push rod 5 and the piston 7 is greater than the friction force between piston 7 and the pump housing 4 inwalls; Piston 7 moves with push rod 5 together, and sealed end stays open state, and the liquid that is inhaled into movable sealing chamber A can spray from shower nozzle through the gap between piston 7 and the push rod 5.
In the process that push rod 5 upwards resets; Friction force between the convex tendon 711 of the bulge loop 52 of push rod 5 and piston 7 is greater than the friction force of piston 7 and the pump housing 4 inwalls at the beginning, and piston 7 is with push rod 5 upward movements, and the sealed end between piston 7 and the push rod 5 remains open mode; In order to keep the balance of pressure inside and outside the A of movable sealing chamber; So the liquid in the bottle enters into the pump housing 4 from suction pipe, the liquid that remains in after spraying in the nozzle 11 then can be got back in the pump housing 4 by suction through valve rod 2; Can prevent effectively that unnecessary liquid from flowing out from nozzle 11, guarantee to use spatter property and wholesomeness;
When the friction force between piston 7 and the push rod 5 during less than the friction force between the piston 7 and the pump housing 4; At this moment; The convex tendon 711 of piston 7 separates with the bulge loop 52 of push rod 5; Relative motion takes place with push rod 5 in piston 7, makes axle journal 71 bottoms of piston 7 can insert once more in the annular groove 511 of push rod 5, realizes the sealing between piston 7 and the push rod 5 again; If can't normal separation between piston 7 and the push rod 5; Because the effect of cutting ferrule 8; When piston 7 upper ends and cutting ferrule 8 lower ends offseted, push rod 5 received spring force to continue upward movement, and this moment, bulge loop 52 and the convex tendon 711 of piston 7 of push rod 5 separated by force; Make piston 7 and push rod 5 that relative motion take place by force, thereby can realize the sealing once more between piston 7 and the push rod 5.
Present embodiment can spray in the reseting procedure; Keep sealed end the opening in a period of time between piston 7 and the push rod 5; Thereby make that staying nozzle 11 interior excess liquid can be drawn back in the pump housing 4, kept the spatter property of nozzle 11, prevent that unnecessary liquid from flowing out in nozzle 11.
Claims (6)
1. a press type emulsion shower nozzle includes
Head cap (1) is provided with nozzle (11);
Valve rod (2) is connected on the said head cap (1), offers the spray chamber that is connected with said nozzle (11) on the said valve rod (2);
Bottle cap (3) offers through hole vertically;
The pump assembly; Include the pump housing (4), push rod (5), spring (6) and hoodle (41); Wherein, the said pump housing (4) is arranged in the said through hole, and said hoodle (41) is arranged at the suction end of the said pump housing (4); Said push rod (5) is arranged in the said pump housing (4), and said spring (6) is arranged between the said push rod (5) and the pump housing (4) and makes said push rod (5) have all the time the upwards trend of jack-up;
It is characterized in that: also be provided with piston (7) in the said pump housing (4); Wherein, said piston (7) includes the axle journal (71) that is sheathed on outside the said push rod (5) and along the outer wall of this axle journal (71) the radially evagination and the seal ring (72) that can offset with the madial wall of the said pump housing (4); The outer wall of said push rod (5) also is formed with one and encloses the annular groove (511) that opening makes progress and is provided with, axle journal (71) the base grafting cooperation of this annular groove (511) ability and said piston (7) and the sealing between realization push rod (5) and the piston (7); Said piston (7) also is provided with convex tendon (711) on the inwall of axle journal (71), said push rod (5) on the top that is positioned at said annular groove (511) along circumferentially being provided with the bulge loop (52) that a circle can be tight against with said convex tendon (711) mutually.
2. press type emulsion shower nozzle according to claim 1; It is characterized in that: said pump assembly also includes cutting ferrule (8); The internal diameter that said cutting ferrule (8) has the external diameter size and a said pump housing (4) is the body of inserting (81) mutually; Body (81) top of this cutting ferrule (8) is along circumferentially being formed with the radially snap ring of evagination (82), and the body (81) of said cutting ferrule (8) inserts among the said pump housing (4), and the snap ring (82) of this cutting ferrule (8) is limited in the top of the said pump housing (4).
3. press type emulsion shower nozzle according to claim 2; It is characterized in that: the bottom lateral wall of said valve rod (2) is formed with the cascaded surface (21) of evagination, the inwall of said cutting ferrule (8) be formed with can and said cascaded surface (21) offset and limit the projection (83) of said valve rod (2) longitudinal travel.
4. press type emulsion shower nozzle according to claim 1; It is characterized in that: seal ring (72) cross section of said piston (7) is dolioform, also form between the axle journal (71) of said piston (7) and the first half of said seal ring (72) one can and the annular slot (73) that offsets of the base of said valve rod (2).
5. press type emulsion shower nozzle according to claim 1; It is characterized in that: said spring (6) is sheathed on the said push rod (5); The inner chamber of the said pump housing (4) also is provided with the positioning table terrace in the position near said suction end; One end of said spring (6) and said positioning table terrace offset, and the outer bottom of the annular groove (511) of the other end of this spring (6) and said push rod (5) offsets.
6. according to the described press type emulsion of arbitrary claim shower nozzle in the claim 1～5; It is characterized in that: said valve rod (2) is gone up and also removablely to be connected with one and can to prevent that head cap (1) from missing the lock tube of pressing (9); The cross-sectional plane of said lock tube (9) is c-shaped; The top external diameter size of openings of sizes of this lock tube (9) and said valve rod (2) is suitable, and the top of said lock tube (9) and said head cap (1) bottom offset, and the top of bottom of this lock tube (9) and said bottle cap (3) offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110115616XA CN102145782B (en) | 2011-04-28 | 2011-04-28 | Pressing type emulsion spray nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110115616XA CN102145782B (en) | 2011-04-28 | 2011-04-28 | Pressing type emulsion spray nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102145782A CN102145782A (en) | 2011-08-10 |
| CN102145782B true CN102145782B (en) | 2012-11-28 |
Family
ID=44420299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110115616XA Active CN102145782B (en) | 2011-04-28 | 2011-04-28 | Pressing type emulsion spray nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102145782B (en) |
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| CN103552745B (en) * | 2013-11-04 | 2015-07-08 | 深圳市通产丽星股份有限公司 | Packaging container |
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| CN111959940B (en) * | 2020-07-24 | 2024-05-07 | 中山市联昌喷雾泵有限公司 | Main column and piston integrated into one piece's plastic emulsion pump |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102145782A (en) | 2011-08-10 |
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