CN104307654B - A kind of adjustable nozzle - Google Patents
A kind of adjustable nozzle Download PDFInfo
- Publication number
- CN104307654B CN104307654B CN201410482891.9A CN201410482891A CN104307654B CN 104307654 B CN104307654 B CN 104307654B CN 201410482891 A CN201410482891 A CN 201410482891A CN 104307654 B CN104307654 B CN 104307654B
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- CN
- China
- Prior art keywords
- nozzle body
- catch
- wall
- nozzle
- support member
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
-
- 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
- B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
- B05B12/22—Masking elements, i.e. elements defining uncoated areas on an object to be coated movable relative to the spray area
Abstract
The invention discloses a kind of adjustable nozzle, including nozzle body, at least two catch, the elastic component that catch is applied external force, the regulating part that is enclosed within nozzle body.The adjustable nozzle of the present invention is provided with two or more catch, multiple catch to external rotation or inwardly can rotate under the effect of regulating part simultaneously, realize the regulation of projected area and shape, owing to catch is provided with multiple, catch relies on spinning movement rather than the area of the deformation adjustment of itself injection, thus larger range of regulation can be realized, it is applicable to the injection apparatus of various injection bore.
Description
Technical field
The present invention relates to liquid jet field.It is specially a kind of adjustable nozzle.
Background technology
Liquid injection apparatus is fitted with nozzle, in many instances, needs to change area and the shape of the jet face of nozzle.Example
As at fire-fighting domain, the scope according to point of origin is needed to adjust the spray regime of spray fire extinguishing agent.In treegarden irrigation field, also lead to
Often need to adjust the area irrigated and shape.Therefore, some nozzles are provided with the structure of the shape of scalable jet face, generally
Installing an overall catch on nozzle, the shape changing catch by catch applies external force makes the shape dough-making powder of its jet face
Long-pending change.This nozzle can be applied on the injection apparatus that injection bore is less, if bore is the spray gun of 3mm-5mm, but right
In bigbore injection apparatus, as the most inapplicable in the bore spray gun more than or equal to 9mm.Reason is, the spray that bore is the biggest
When injection device is adjusted, the deflection needing catch to produce is the biggest, but the deflection of catch is limited, when deflection exceedes
During the deformation range that catch can bear, the shape of catch will be unable to recover, and even can produce situations such as damaging or fracture.
Summary of the invention
Present invention solves the technical problem that and be to overcome existing adjustable nozzles not to be suitable for spraying the bigger injection apparatus of bore
Shortcoming, it is provided that the adjustable nozzle of a kind of injection apparatus being applicable to large range of injection bore.
The adjustable nozzle of the present invention, including:
Nozzle body, described nozzle body has the nozzle chambers allowing fluid from and spraying forward；
At least two catch, described catch is hinged with the front end of described nozzle body by jointed shaft, and each described catch includes certainly
Its Part I extended the most forward with the hinged place of nozzle body and inwardly and forward prolonging from the front end of described Part I
The Part II stretched, described catch can be around the hinged axis direction axially away from described nozzle body, i.e. to external rotation, or to
Axis direction near described nozzle body rotates, and the most inwardly rotates；
Elastic component, described elastic component applies to make the described catch power to external rotation；
Regulating part, is enclosed within the outside of described nozzle body, and described regulating part can rotate relative to described nozzle body and can be relative to
Described nozzle body moves forward and backward, and the inwall of the front end of described regulating part offsets to apply with the outer wall of the Part I of described catch
Make the power that described catch inwardly rotates.
As preferably, described catch is two, and the front end of described nozzle body is provided with erecting device, and described erecting device includes set
On the outer wall of described nozzle body front end and the support member that can not rotate relative to described nozzle body, the outer wall of described support member
Being provided with two groups of lugs, relative and two groups of lugs the bearing of trend in the position of two groups of lug settings is contrary, and described lug is provided with for institute
State the hinge hole that jointed shaft passes, often organize described lug and a described catch is hinged.
As preferably, it is rectangle that described nozzle body arranges the cross section of the outer wall of the position of support member, and described support member is frame-shaped,
Its inwall is that the outer wall of the position that rectangle arranges described support member with described nozzle body matches and forms joining of can not rotating against
Close.
As preferably, the outer wall of the front end of described nozzle body is provided with limited step, the rear end of described support member and limited step
The face of the axis being perpendicular to described nozzle body offsets.
As preferably, described nozzle body there is screw thread foremost, described erecting device also includes being arranged on described nozzle body
Fixing nut foremost, the rear end of described fixing nut offsets with the front end of described support member.
As preferably, described elastic component is torsion spring, and described torsion spring set is on described jointed shaft, and an arm of described torsion spring is with described
The inwall of catch offsets, and another arm offsets with the outer wall of described support member.
As preferably, the outer wall of described nozzle body is provided with the groove of spiral extension, and described nozzle body arranges the part of groove
The cross section of outer wall is circular, and described regulating part is fixed with the bolt of the axis being perpendicular to described nozzle body, the one of described bolt
Hold the groove stretching on described outer nozzle wall interior and can slide along the bearing of trend of described groove.
As preferably, the inwall of described regulating part has the supporting projections of annular, and described supporting projections extends to described nozzle body
Outer wall and can rotate relative to described nozzle body, described bolt stretches in described groove through described supporting projections.
Compared to the prior art the adjustable nozzle of the present invention, has the advantages that
1, the adjustable nozzle of the present invention, is provided with two or more catch, multiple catch can under regulating part effect simultaneously to
External rotation or inwardly rotate, it is achieved projected area and the regulation of shape, owing to catch is provided with multiple, catch rely on rotate dynamic
Work rather than the area of the deformation adjustment of itself injection, thus larger range of regulation can be realized, it is applicable to various jet
The injection apparatus in footpath, and the operation of regulation nozzle is the easiest, it is only necessary to the outer regulating part of rotation ring can realize, and outer regulating part and
The cooperation of interior regulating part and outer regulating part and interior regulating part are reliable and stable with coordinating of nozzle body.
2, regulating part is fixed with the bolt of the axis being perpendicular to nozzle body, and one end of bolt is stretched in the groove on nozzle body outer wall
And can slide along the bearing of trend of groove, this makes coordinating between regulating part with nozzle body stablize and reliable, and makes regulating part
And it is easily installed between nozzle body and dismantles.
3, the inwall of regulating part sets the supporting projections of annular so that coordinating between bolt with regulating part is more reliable, also makes regulation
Stress between part and nozzle body more balances, thus can further improve between regulating part with nozzle body coordinate reliable
Property.
4, support member is set on nozzle, and catch is arranged on support member can avoid directly on nozzle body between bore a hole into
Row is hinged, can prevent the intensity of nozzle body from reducing.
Accompanying drawing explanation
Fig. 1 is longitudinal cross-sectional schematic of the adjustable nozzle of one embodiment of the invention.
Fig. 2 is longitudinal cross-sectional schematic of the regulating part of the adjustable nozzle of one embodiment of the invention.
Fig. 3 is the front view of the support member of the erecting device of the adjustable nozzle of one embodiment of the invention.
Fig. 4 is the sectional view of the line A-A along Fig. 3 of the support member in Fig. 3.
Reference
1-nozzle body, 11-nozzle chambers, 12-groove, 13-limited step, 14-coupling nut；
2-catch, 21-Part I, 22-Part II；
3-elastic component；
4-regulating part, 41-bolt, 43-supporting projections, 44-screwed hole, 45-circular port, 46-counter sink；
5-erecting device, 51-support member, 52-lug, 53-jointed shaft, 54-hinge hole, 55-fixes nut.
Detailed description of the invention
Fig. 1 is a kind of adjustable nozzle of the present invention, including: nozzle body 1, at least two catch 2, elastic component 3 and regulating part
4.Wherein, nozzle body 1 has the nozzle chambers 11 allowed fluid from and spray forward.
Described catch 2 is hinged with the front end of described nozzle body 1 by jointed shaft 53, in the present embodiment, and catch 2 last
End and nozzle body 1 are hinged by jointed shaft 53, and catch 2 can directly be hinged on nozzle body 1, it is also possible to be hinged on and
On the parts that nozzle body 1 is fixed together.Preferably scheme is described below.Each described catch 2 includes from it and sprays
Part I 21 that the hinged place of mouth body 1 outwards simultaneously extends forward and from the front end of described Part I 21 inwardly and forward
The Part II 22 extended.Described catch 2 can be around jointed shaft 53 to the axis direction away from described nozzle body 1, the most outwards
Rotate, be located remotely from each other between catch 2, or rotate to the axis direction near described nozzle body 1, the most inwardly rotate, gear
Between sheet 2 close to each other.
The adjustable nozzle of the present invention, arranges two relative catch 2, it is possible to arrange multiple evenly spaced gear in the present embodiment
Sheet 2, such as 3 or 4 or 5 catch, arrangement forms annular or other desired shape.When catch 2 is to external rotation
Time, shape and the area in the space that catch 2 surrounds change, and spray configuration and area are also with changing.
Described elastic component 3 applies to make described catch 2 to the power of external rotation, and the quantity of elastic component 3 is identical with catch 2 quantity, and
Arrange with catch 2 one_to_one corresponding.Elastic component 3 can use various forms, and such as helical spring, one end of helical spring is with nozzle originally
Body 1 connects, and the other end is connected with the inwall of the Part I 21 of catch 2, apply the Part I 21 of catch 2 to make its to
The power of external rotation.Elastic component 3 is preferably torsion spring, and preferred version is described in detail below.
Regulating part 4 is enclosed within the outside of described nozzle body 1, and described regulating part 4 can rotate and energy relative to described nozzle body 1
Move forward and backward relative to described nozzle body 1, the Part I 21 of the inwall of the front end of described regulating part 4 and described catch 2
Outer wall offsets to apply the power making described catch 2 inwardly rotate.Described regulating part 4 can rotate relative to described nozzle body 1 and
Can have multiple relative to the movable implementation of described nozzle body 1, specifically will be described in detail below.
Rotating regulating part 4, regulating part 4 moves forward while rotating relative to nozzle body 1.Meanwhile, regulating part 4 is interior
Wall applies to make the power that catch 2 inwardly rotates, when the power inwardly rotated more than elastic component 3 apply to the power of external rotation time, catch
2 inwardly rotate, and close to each other between multiple catch 2, the scope of injection diminishes, when be only oppositely arranged when catch 2 two,
The shape of injection also can change.Reversely rotate regulating part 4, then the scope sprayed becomes big.
The adjustable nozzle of the present invention, is provided with two or more catch 2, and catch 2 can under the effect of regulating part 4 simultaneously
To external rotation or inwardly rotating, it is achieved projected area and the regulation of shape, owing to catch 2 is provided with multiple, catch 2 relies on
Spinning movement rather than the deformation of itself can realize larger range of regulation, are applicable to the injection apparatus of various injection bore,
And the operation of regulation nozzle is the easiest, it is only necessary to rotating regulating part 4 can realize.
The front end of described nozzle body 1 is provided with erecting device 5, and described erecting device 5 includes being enclosed within described nozzle body 1 front end
Outer wall on and can not relative to described nozzle body 1 rotate support member 51, the outer wall of described support member 51 be provided with two groups or
Lug 52 more than two, the group number of lug 52 is identical with the number of catch 2, and often group lug 52 is used for fixing a catch 2.
In the present embodiment, the outer wall of support member is provided with two groups of lugs 52, and the position that two groups of lugs 52 are arranged is relatively and two groups of lugs 52
Bearing of trend contrary, described lug 52 is provided with the hinge hole 54 passed for described jointed shaft 53.The rear end of described catch 2
Having installation portion (not shown), described installation position is between said two lug 52.Have on installation portion for hinged
Allow the hole that passes of jointed shaft.Being provided with support member 51 can avoid directly on nozzle body 1 between perforation carry out hinged, can
The intensity preventing nozzle body 1 reduces.
As preferably, the cross section of the outer wall that described nozzle body 1 arranges the position of support member 51 is rectangle, described support member
51 is frame-shaped, and two groups of lugs 52 are respectively provided on the outer wall that frame-shaped is relative.The cross section of the inwall of support member 51 is rectangle, with
The outer wall of the position that nozzle body 1 arranges described support member 51 matches and forms the cooperation that can not rotate against.Support member can not phase
Described nozzle body is rotated and realizes also by other modes, as support member fixed by screw or other fixed components
On nozzle body.
In the present embodiment, the outer wall of the front end of described nozzle body 1 is provided with limited step 13, the rear end of described support member 51
Offset with the face of the axis being perpendicular to described nozzle body 1 of limited step 13.So between support member 51 and nozzle body 1
Cooperation more firm, even if the biggest external force can not make support member 51 be moved rearwards by.Certainly, even if being not provided with limited step
13, support member 51 relies on the interference fit with nozzle body 1 or could be secured on nozzle body 1 by welding.
The shape of cross section of the outer wall foremost of described nozzle body 1 is circular, and has screw thread, and described erecting device 5 is also
Including being arranged on described nozzle body 1 fixing nut 55 foremost, the rear end of described fixing nut 55 and described support member 51
Front end offset.Which further increases the stability that support member 51 coordinates with nozzle body 1.
The preferred version realizing moving forward while regulating part 4 rotates relative to nozzle body 1 is, described nozzle body 1
Outer wall is provided with the groove 12 of spiral extension, and the cross section of outer wall of described nozzle body 1 part that arranges groove 12 is circle,
Described regulating part 4 is fixed with the bolt 41 of the axis being perpendicular to described nozzle body 1, and one end of described bolt 41 is through regulation
In the wall of part 4 stretches into groove on described nozzle body 1 outer wall 12 and can be along the bearing of trend slip of described groove 12.This is the most square
Case makes coordinating between regulating part 4 with nozzle body 1 stablize and reliable, and makes between regulating part 4 and nozzle body 1 easy
In installation and removal.
As an alternative, can set the groove of spiral extension at the inwall of regulating part, nozzle body sets projection, and projection stretches to groove
In.This scheme also can realize regulating part and can rotate relative to described nozzle body simultaneously movable relative to described nozzle body,
Simply more convenient not as preferred version in installation and removal.
As preferably, the inwall of described regulating part 4 has the supporting projections 43 of annular, and described supporting projections 43 extends to described
The outer wall of nozzle body 1 also can rotate relative to this 1 body of described nozzle, and described bolt 41 passes wall and the support of described regulating part 4
Projection 43 stretches in described groove 12.In the present embodiment, the inwall of supporting projections 43 forms circular port 45.Supporting projections 43
Having the screwed hole 44 being perpendicular to nozzle body 1 axis, described bolt 41 passes the wall of outer regulating part 4 and described supporting projections
The screwed hole 44 of 43 stretches in described groove 12.Supporting projections 43 make between bolt 41 with regulating part 4 coordinate more reliable,
Also make the stress between regulating part 4 and nozzle body 1 more balance, thus can further improve regulating part 4 and nozzle body
The reliability of the cooperation between 1.Certainly, supporting projections also can be set to as evenly spaced multistage.As the most preferred,
The outer wall of described regulating part 4 has counter sink 46 to accommodate the head of described bolt.
As preferably, described elastic component 3 is torsion spring, described torsion spring set on described jointed shaft 53, an arm of described torsion spring with
The inwall of described catch 2 offsets, and another arm offsets with the outer wall of described support member 51.The active force of torsion spring compares helical spring
More stable.
As an alternative, the ring spring that elastic component is also enclosed within nozzle body, ring spring is positioned at catch hinged place
Front, and it is positioned at the inside of catch, the wall of ring spring is provided with the spring leaf that the inwall with catch Part I offsets, thus
Apply to make the catch power to external rotation.
In the present embodiment, the size of the radial direction of the rear end of described nozzle chambers 11 is more than the radial direction of the front end of described nozzle chambers 11
Size.More liquid can be made to enter nozzle chambers 11, and liquid can obtain bigger pressure at ejection.Described nozzle body
The rear end of 1 is cased with coupling nut 14, and the rear end of described coupling nut 14 has for connecting with liquid conducting pipes or device for storing liquid
The connection screw thread connect.
Above example is only the exemplary embodiment of the present invention, is not used in the restriction present invention, and protection scope of the present invention is by right
Claim limits.Those skilled in the art in the essence and protection domain of the present invention, various amendments that the present invention is made or etc.
Also it is within the scope of the present invention with replacement.
Claims (9)
1. an adjustable nozzle, it is characterised in that including:
Nozzle body, described nozzle body has the nozzle chambers allowing fluid from and spraying forward；
At least two catch, described catch is hinged with the front end of described nozzle body by jointed shaft, each described catch
Including the Part I extended forward the while of outside with the hinged place of nozzle body from it with before described Part I
The Part II that end inwardly and extends forward, described catch can be around the hinged axis side axially away from described nozzle body
To, i.e. to external rotation, or rotate to the axis direction near described nozzle body, the most inwardly rotate；
Elastic component, described elastic component applies to make the described catch power to external rotation；
Regulating part, is enclosed within the outside of described nozzle body, and described regulating part can rotate and energy relative to described nozzle body
Move forward and backward relative to described nozzle body, outside the inwall of the front end of described regulating part is with the Part I of described catch
Wall offsets to apply the power making described catch inwardly rotate.
Adjustable nozzle the most according to claim 1, it is characterised in that described catch is two, described nozzle
The front end of body is provided with erecting device, and described erecting device includes being enclosed within the outer wall of described nozzle body front end and can not
The support member rotated relative to described nozzle body, the outer wall of described support member is provided with two groups of lugs, and two groups of lugs are arranged
Relatively and the bearing of trend of two groups of lugs is contrary in position, described lug be provided with for described jointed shaft pass hinged
Hole, often organizes described lug and a described catch is hinged.
Adjustable nozzle the most according to claim 2, it is characterised in that described nozzle body arranges support member
The cross section of the outer wall of position is rectangle, and described support member is frame-shaped, and its inwall is that rectangle is arranged with described nozzle body
The outer wall of the position of described support member matches and forms the cooperation that can not rotate against.
Adjustable nozzle the most according to claim 2, it is characterised in that the outer wall of the front end of described nozzle body
It is provided with limited step, the face phase of the rear end of described support member and the axis being perpendicular to described nozzle body of limited step
Support.
Adjustable nozzle the most according to claim 2, it is characterised in that having foremost of described nozzle body
Screw thread, described erecting device also includes being arranged on described nozzle body fixing nut foremost, described fixing nut
Rear end offsets with the front end of described support member.
Adjustable nozzle the most according to claim 2, it is characterised in that described elastic component is torsion spring, described torsion
Spring is enclosed within described jointed shaft, and an arm of described torsion spring offsets with the inwall of described catch, another arm and described
The outer wall of support member offsets.
7. according to the adjustable nozzle according to any one of claim 1-6, it is characterised in that described nozzle body
Outer wall is provided with the groove of spiral extension, and the cross section of outer wall of the described nozzle body part that arranges groove is circle, institute
Stating regulating part and be fixed with the bolt of the axis being perpendicular to described nozzle body, described nozzle is stretched into originally in one end of described bolt
Groove on external wall is interior and can slide along the bearing of trend of described groove.
Adjustable nozzle the most according to claim 7, it is characterised in that the inwall of described regulating part has annular
Supporting projections, described supporting projections extends to the outer wall of described nozzle body and can rotate relative to described nozzle body,
Described bolt stretches in described groove through described supporting projections.
Adjustable nozzle the most according to claim 8, it is characterised in that the outer wall of described regulating part has countersunk head
Hole is to accommodate the head of described bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410482891.9A CN104307654B (en) | 2014-09-19 | 2014-09-19 | A kind of adjustable nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410482891.9A CN104307654B (en) | 2014-09-19 | 2014-09-19 | A kind of adjustable nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104307654A CN104307654A (en) | 2015-01-28 |
| CN104307654B true CN104307654B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410482891.9A Active CN104307654B (en) | 2014-09-19 | 2014-09-19 | A kind of adjustable nozzle |
Country Status (1)
| Country | Link |
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| CN (1) | CN104307654B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499023B (en) * | 2015-11-30 | 2017-12-15 | 广西凯纵机械制造有限公司 | A kind of lance head of adjustable spray area |
| CN105499002B (en) * | 2015-11-30 | 2017-11-10 | 广西凯纵机械制造有限公司 | A kind of spray gun in adjustable spraying face |
| CN105887109A (en) * | 2016-05-23 | 2016-08-24 | 大冶市宏泰铝业有限责任公司 | Vertical type spraying line pretreatment device |
| CN106000674B (en) * | 2016-06-15 | 2017-05-03 | 北京航空航天大学 | Centrifugal nozzle with reed added at outlet of tangential hole and spray method |
| CN106091011B (en) * | 2016-08-10 | 2018-06-08 | 四川大学 | The projected area adjustable nozzle of pressure adaptive |
| CN106804571A (en) * | 2016-12-27 | 2017-06-09 | 天津寰宇地理信息有限公司 | A kind of agricultural machinery unmanned plane flusher |
| CN106818692A (en) * | 2016-12-27 | 2017-06-13 | 天津寰宇地理信息有限公司 | A kind of agricultural machinery is with collapsible unmanned plane sprinkling system |
| CN109122239B (en) * | 2018-08-20 | 2020-09-18 | 杭州富阳泳富机械有限公司 | Manual sprayer for garden moss |
| CN109402901B (en) * | 2018-12-19 | 2023-09-01 | 佛山市名洲纺织有限公司 | Auxiliary agent nozzle on boiling-off equipment |
| CN112211663A (en) * | 2020-08-28 | 2021-01-12 | 南京汉尔斯生物科技有限公司 | Dust filtering and collecting equipment and collecting method for mine field |
| CN113426052A (en) * | 2021-06-16 | 2021-09-24 | 陕西长武亭南煤业有限责任公司 | Underground movable liquid carbon dioxide conveying device |
| CN113617551B (en) * | 2021-10-09 | 2021-12-07 | 寿光市博达机械制造有限公司 | Vortex type urea nozzle |
| CN115106214B (en) * | 2022-07-06 | 2023-08-25 | 中国计量大学 | Smell vortex ring emitter with quantitative and changeable nozzle caliber |
| CN116116632B (en) * | 2023-02-23 | 2023-08-22 | 广州市创蓝自动化设备有限公司 | Vertical spraying equipment with multiple adaptive nozzles easy to replace |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717177A (en) * | 1951-09-04 | 1955-09-06 | Sr Lawrence B Goda | Spray device |
| DE102008021925A1 (en) * | 2008-05-02 | 2009-11-05 | Fogtec Brandschutz Gmbh & Co. Kg | Extinguishing nozzle body |
| DE102008030779A1 (en) * | 2008-06-28 | 2009-12-31 | Georg Schneider | Spray module for an offset printing machine |
| CN203725315U (en) * | 2014-03-20 | 2014-07-23 | 北京中联信达金属结构有限公司 | Plastic spray machine |
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2014
- 2014-09-19 CN CN201410482891.9A patent/CN104307654B/en active Active
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| CN104307654A (en) | 2015-01-28 |
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