CN101213901B - Drought resisting fertilizing gun - Google Patents
Drought resisting fertilizing gun Download PDFInfo
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- CN101213901B CN101213901B CN2007101593589A CN200710159358A CN101213901B CN 101213901 B CN101213901 B CN 101213901B CN 2007101593589 A CN2007101593589 A CN 2007101593589A CN 200710159358 A CN200710159358 A CN 200710159358A CN 101213901 B CN101213901 B CN 101213901B
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- water
- water delivery
- gun
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- fertilizer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The present invention belongs to the field of the agriculture drought-resistant fertilizer-application machinery, in particular relates to a drought-resistant fertilizer-application gun, which consists of a water-supply pipeline, a fertilizer dissolve box and a water-conveying gun, wherein, the water-supply pipeline consists of a general conduit pipe that is connected with the water source, a water-distribution pipe, a pipe joint, a directional valve and a water conveying joint, the fertilizer dissolve box consists of a dissolving-material case, a case cover, a water inlet pipe with a backwater-proof resistance adjusting valve, an outlet and a material-distributing umbrella-shaped part that is arranged at the lower part inside the dissolving-material case, the water-conveying gun consists of a case body, a connector, a water inlet pipe, a gun barrel and a head, and the gun barrel can be provided with a pressurizing device that consists of a regulation resistance that is arranged inside a drill gun, a spring and an water-outlet hole that is arranged at the side of the drill gun. Or the water-conveying case can be provided with a water-jet impeller, a balance-weight accelerator, a bushing and a sealing ring. The present invention provides a drought-resistant fertilizer-application gun that has good drought-resistant effect, saves water and can use a great amount of water-retention agent and fertilizer, thereby satisfying the requirements for using the water retention agent on a large area; moreover, the present invention is convenient to be used is safe and reliable, and is easy to maintain.
Description
Technical field
The invention belongs to coping with agriculture drought fertilizer machinery field, particularly a kind of drought resisting fertilizing gun.
Background technology
Along with the development of agricultural production, the agricultural mechanization degree is also correspondingly improving.The coping with agriculture drought fertilizer machinery is the inevitable outlet of coping with agriculture drought fertilising.The drough-relief method that is applied to fruit tree, gardens, orchard, protection ground at present has: broad irrigation, sprinkling irrigation, drip irrigation, infiltrating irrigation, ditch spread water-loss reducer, fertilizer-applicating gun, the shortcoming that these drough-relief methods are had nothing in common with each other: broad irrigation waste water resource, water requirement is big, weak effect, the amount of labour used is big, irritate the back soil compaction, cause the orchard damage by disease and insect to infect easily, cause chemical fertilizer volatilization waste to fertilize easily in conjunction with broad irrigation; Sprinkling irrigation needs auxiliary facility, and construction is complicated, investment is big, waste water, the line service amount is big; Drip irrigation, infiltrating irrigation need auxiliary facility, and the service condition complexity is easily stopped up, and investment is big, is difficult for promoting; The ditch spread water-loss reducer: water-loss reducer is the chemical industry new product that a kind of drought resisting is used, be the fine particle shape, characteristic with water-swellable, can make soil soft, prevent to harden, promote the capillary root growth, strengthen fertilizer and trace elements absorbed, promote the tree root ingress of air simultaneously, create good developing environment.Conventional application process is ditch spread, but the lost labor, labour intensity is big, and is inhomogeneous, ditch is shallow weak effect, ditch depth can injure tree root; Traditional fertilizer-applicating gun is only limited to executes small amount of liquid fertilizer, and the rifle point is short, manually bears use, and is powerless to hard ground, can not widely apply water-loss reducer and fertilizer, do not satisfy the requirement that large tracts of land is used water-loss reducer; Orchard, protection ground uses broad irrigation, sprinkling irrigation, drip irrigation, infiltrating irrigation etc. easily to increase air humidity, and germ reproduction is fast, and damage by disease and insect is many, and air humidity is big, and the light transmission of corresponding film is poor, and product quality is low.
Summary of the invention
The purpose of this invention is to provide that a kind of drought resisting is effective, using water wisely, can widely apply water-loss reducer and fertilizer, satisfy the drought resisting fertilizing gun that large tracts of land is used the water-loss reducer requirement.
The objective of the invention is to realize by following technical proposals.
Drought resisting fertilizing gun of the present invention, it is characterized in that by supply channel, the fertilizer dissolving case that is connected of supply channel therewith, the water delivery rifle that is connected of fertilizer dissolving case is formed therewith, described supply channel is by the total water-supply-pipe that is connected with the water source, the sparge pipe that total therewith water-supply-pipe is connected, be located at the pipe joint that is connected with described fertilizer dissolving case of this sparge pipe upper end, the direction valve that is located at this sparge pipe bottom is formed with the water delivery joint that is connected this direction valve downstream, described fertilizer dissolving case is by molten hopper body, be located at the case lid on this molten hopper body top, be located at the water inlet pipe that has anti-backwater resistance control valve of this molten hopper body side surface, be located at the sub-material umbrella shape part of bottom in this molten hopper body, the delivery port that stretches out the external anti-backwater resistance control valve of molten hopper that sub-material umbrella shape part is connected is therewith formed, described water delivery rifle is by the water delivery casing, be located at the connector on this water delivery casing top, be located at the water inlet pipe of this water delivery casing side, being located at the rifle head that the water delivery barral of a gun below this water delivery casing is connected with the lower end of water delivery barral of a gun therewith forms, the pipe joint of described supply channel is connected with the water inlet pipe of described fertilizer dissolving case, the anti-backwater resistance control valve of described fertilizer dissolving case is connected with the connector on described water delivery casing pushes up, and the water delivery joint of described supply channel is connected with the water inlet pipe of described water delivery casing side.
Described water delivery barral of a gun is by the water delivery gun barrel, the pressue device that is located in this water delivery gun barrel is formed, the front end of this water delivery gun barrel is connected with described rifle head, described pressue device is by the resistance divider that is located at described water delivery gun barrel bottom, be located at the spring below this resistance divider, the apopore that adds the large aperture from top to bottom gradually that is located at water delivery gun barrel side is formed.
Described resistance divider is one and is provided with radially half hollow circuit cylinder of apopore.
Described water delivery casing is by casing, be arranged on the interior water of this casing towards impeller, be connected the counterweight accelerator of this water below impeller, be located at the axle sleeve that with casing be connected of this water towards the impeller shaft two ends, the sealing ring that is located on this axle sleeve is formed, described water delivery barral of a gun comprises the water delivery gun barrel, and this water delivery gun barrel water therewith is connected towards impeller shaft.
Side relative with water inlet pipe at described water delivery casing is provided with the assisted pedal stroke plate.
The downside place that the upper end of described water delivery gun barrel is in the counterweight accelerator in the water delivery casing is provided with osculum, is provided with the dewatering orifice in the lower end of this water delivery gun barrel, and the front end of water delivery gun barrel is equipped with drill bit type rifle point.
The sub-material umbrella shape part of described fertilizer dissolving casing is the hollow cone body that has annular bottom plate, and this annular bottom plate is provided with equally distributed osculum, and the cavity of sub-material umbrella shape part is connected with described anti-backwater resistance control valve.
Described anti-backwater resistance control valve is by valve body, is located at the valve cone in this valve body, and the valve rod that is connected of valve cone is sleeved on the spring on this valve rod therewith, and the hollow spiral plunger that is connected of spring is formed therewith.
The using method of drought resisting fertilizing gun of the present invention is:
1, under the general geology condition, adopt the technical scheme that pressue device is set in the water delivery gun barrel, fertilizer is dissolved case, sparge pipe, the water delivery pressure gun is connected with each other, put into water-loss reducer and fertilizer toward fertilizer dissolving case, supply press water to fertilizer dissolving case earlier, water-loss reducer and fertilizer in the press water dissolving case are dissolved by press water after the osculum of sub-material umbrella shape part enters in the water delivery gun barrel, size according to water flow pressure, resistance divider in the water delivery gun barrel is regulated water flow jet pressure automatically, High-Pressure Water impacts the soil and forms the space, creates conditions for water-loss reducer is stored in the soil.
2, under harder geological conditions, adopt the technical scheme of the water of setting in the water delivery casing towards impeller, fertilizer is dissolved case, sparge pipe, water delivery rifle to be connected with each other, put into water-loss reducer and fertilizer toward fertilizer dissolving case, give the water delivery case for press water earlier, press water impacts water towards impeller and counterweight accelerator, and water pierces in the perpendicular hard soil towards impeller and counterweight accelerator quick rotation and drive drill bit rifle point and rotate under the impact of press water.After getting into certain degree of depth, the closing direction valve is sent into water-loss reducer and fertilizer underground then.
Benefit of the present invention is:
1, drought resisting fertilizing gun investment of the present invention is low, hundred yuan of less thaies.Supporting water supply uses the agricultural chemicals pump of widespread usage as water pump.
2, directly water is sent into the underground of prescribed depth, using water wisely.Water-loss reducer and fertilizer solution directly form the effect of similar water cellar at fruit tree root, and water consumption only is half of common pouring water, but can keep the several months long.Water-loss reducer absorbs water when fruit tree root is waterloged, performance absorbs the characteristic of water during drought from air, supplies water to fruit tree continuously, gives full play to the effect that water-loss reducer improves the fruit tree root ecotope.
3, the drought resisting fertilizing gun of the present invention fertilizer that will be dissolved in the water is directly delivered to fruit tree root, makes the fruit tree can fast Absorption fertilizer, can bring into play fertilizer efficiency to greatest extent.
4, drought resisting fertilizing gun of the present invention is flexible and convenient to use, is not subjected to the restriction of orchard geographical conditions, applied range, but large tracts of land is used water-loss reducer.
5, owing to all have anti-backwater resistance control valve, guarantee that the current that eject from the water delivery rifle have enough pressure, smooth and easy, the booster road not of current when guaranteeing operation at the water inlet pipe and the delivery port of fertilizer dissolving case.
6, because whole system is in when work under the washing away of press water all the time, therefore after operation, need not utensil is cleaned, safeguard easily.
Description of drawings
Fig. 1 is a parts decomposition texture schematic diagram of the present invention.
Fig. 2 is provided with the structural representation of water towards the water delivery casing of impeller.
Embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
As shown in Figure 1, according to drought resisting fertilizing gun of the present invention, it is characterized in that by supply channel, the fertilizer dissolving case that is connected of supply channel therewith, the water delivery rifle that is connected of fertilizer dissolving case is formed therewith, described supply channel is by the total water-supply-pipe 12 that is connected with water pump, the sparge pipe 13 that total therewith water-supply-pipe 12 is connected, be located at the pipe joint 11 that is connected with described fertilizer dissolving case of these sparge pipe 13 upper ends, the direction valve 14 that is located at these sparge pipe 13 bottoms is formed with the water delivery joint 15 that is connected these direction valve 14 downstreams, described fertilizer dissolving case is by molten hopper body 2, be located at the case lid 1 on these molten hopper body 2 tops, be located at the water inlet pipe 4 that has anti-backwater resistance control valve of these molten hopper body 2 sides, be located at the sub-material umbrella shape part 3 of bottom in this molten hopper body 2, the external delivery port that has anti-backwater resistance control valve of molten hopper that stretches out that sub-material umbrella shape part 3 is connected is therewith formed, described water delivery rifle is by water delivery casing 7, be located at the connector 6 on these water delivery casing 7 tops, be located at the water inlet pipe 9 of these water delivery casing 7 sides, being located at the rifle head 84 that the water delivery barral of a gun 8 below this water delivery casing 7 is connected with the lower end of water delivery barral of a gun 8 therewith forms, the pipe joint 11 of described supply channel is connected with the water inlet pipe 4 of described fertilizer dissolving case, the delivery port 5 that has anti-backwater resistance control valve of described fertilizer dissolving case is connected with the connector 6 on described water delivery casing pushes up, and the water delivery joint 15 of described supply channel is connected with the water inlet pipe 9 of described water delivery casing 7 sides.
In embodiment as shown in Figure 1, described water delivery barral of a gun 8 is by the water delivery gun barrel, be located at the pressue device in this water delivery gun barrel, the rifle head 84 that is located at these water delivery gun barrel 8 front ends is formed, described pressue device is by the resistance divider 81 that is located at described water delivery gun barrel bottom, be located at the spring 82 below this resistance divider 81, the apopore 83 that adds the large aperture from top to bottom gradually that is located at water delivery gun barrel 8 sides is formed.
Described resistance divider 81 is one and is provided with radially half hollow circuit cylinder of apopore.
In embodiment as shown in Figure 2, described water delivery casing is by casing 70, be arranged on water in this casing 70 towards impeller 72, be connected the counterweight accelerator 73 of this water below impeller 72, be located at the axle sleeve that with casing 70 be connected 71,75 of this water towards impeller shaft 74 two ends, the sealing ring 76 that is located on this axle sleeve 71,75 is formed, and described water delivery gun barrel 8-1 water therewith is connected towards impeller shaft 74.
Side relative with water inlet pipe 9 at described water delivery casing is provided with assisted pedal stroke plate 10.
In embodiment as shown in Figure 2, the downside place that the upper end of described water delivery gun barrel 8-1 is in the counterweight accelerator 73 in the water delivery casing is provided with osculum 16, be provided with dewatering orifice 17 in the lower end of this water delivery gun barrel, the front end of water delivery gun barrel 8-1 is equipped with drill bit type rifle point 18.
As shown in Figure 1, the sub-material umbrella shape part 3 of described fertilizer dissolving casing is for having the hollow cone body of annular bottom plate, and this annular bottom plate is provided with equally distributed osculum, and the cavity of sub-material umbrella shape part is connected with described anti-backwater resistance control valve.
As shown in Figure 1, described anti-backwater resistance control valve is by valve body, is located at the valve cone 51 in this valve body, and the valve rod 52 that is connected of valve cone 51 is sleeved on the spring 53 on this valve rod 52 therewith, and the hollow spiral plunger 54 that is connected of spring 53 is formed therewith.
The using method of drought resisting fertilizing gun of the present invention is:
1, under the general geology condition, adopt the technical scheme that pressue device is set in the water delivery gun barrel, fertilizer is dissolved case, sparge pipe, the water delivery pressure gun is connected with each other, put into water-loss reducer and fertilizer toward fertilizer dissolving case, supply press water to fertilizer dissolving case earlier, water-loss reducer and fertilizer in the press water dissolving case are dissolved by press water after the osculum of sub-material umbrella shape part enters in the drill bit rifle, size according to water flow pressure, resistance divider in the drill bit rifle is regulated water flow jet pressure automatically, High-Pressure Water impacts the soil and forms the space, creates conditions for water-loss reducer is stored in the soil.
2, under harder geological conditions, adopt in the casing technical scheme of water towards impeller is set, fertilizer is dissolved case, sparge pipe, water delivery pressure gun to be connected with each other, put into water-loss reducer and fertilizer toward fertilizer dissolving case, supply press water to fertilizer dissolving case earlier, press water dissolving case water-loss reducer and fertilizer after the osculum of sub-material umbrella shape part enter in the water delivery case, device is located at water in the water delivery case towards impeller and counterweight accelerator quick rotation and drive drill bit rifle point and rotate under the impact of press water, pierces in the perpendicular hard soil.After getting into certain degree of depth, the closing direction valve is sent into water-loss reducer and fertilizer underground then.
Benefit of the present invention is:
1, drought resisting fertilizing gun investment of the present invention is low, hundred yuan of less thaies. The pesticide pump of generally using is used in supporting water supply;
2, directly water is sent into the underground of prescribed depth, using water wisely. Water-loss reducer and fertilizer solution directly form the effect of similar water cellar at fruit tree root, and water consumption only is half of common pouring water, but can keep the several months long. Water-loss reducer absorbs water when fruit tree root is waterloged, performance absorbs the characteristic of water during drought from air, supplies water to fruit tree continuously, gives full play to the effect that water-loss reducer improves the fruit tree root ecological environment.
3, the drought resisting fertilizing gun of the present invention fertilizer that will be dissolved in the water is directly delivered to fruit tree root, makes fruit tree can absorb fast fertilizer, can bring into play to greatest extent fertilizer efficiency.
4, drought resisting fertilizing gun of the present invention is flexible and convenient to use, is not subjected to the restriction of orchard geographical conditions, applied range, but large tracts of land is used water-loss reducer.
5, since at the water inlet pipe of fertilizer dissolving case and delivery port all with anti-backwater resistance control valve, guarantee that the current that eject from the water delivery rifle have enough pressure, smooth and easy, the booster road not of current during the assurance operation.
6, because whole system is in when work under the washing away of press water all the time, therefore after operation, need not utensil is cleaned, safeguard easily.
Claims (8)
1. drought resisting fertilizing gun, it is characterized in that by supply channel, the fertilizer dissolving case that is connected of supply channel therewith, the water delivery rifle that is connected of fertilizer dissolving case is formed therewith, described supply channel is by the total water-supply-pipe that is connected with the water source, the sparge pipe that total therewith water-supply-pipe is connected, be located at the pipe joint that is connected with described fertilizer dissolving case of this sparge pipe upper end, the direction valve that is located at this sparge pipe bottom is formed with the water delivery joint that is connected this direction valve downstream, described fertilizer dissolving case is by molten hopper body, be located at the case lid on this molten hopper body top, be located at the water inlet pipe that has anti-backwater resistance control valve of this molten hopper body side surface, be located at the sub-material umbrella shape part of bottom in this molten hopper body, the delivery port that stretches out the external anti-backwater resistance control valve of molten hopper that sub-material umbrella shape part is connected is therewith formed, described water delivery rifle is by the water delivery casing, be located at the connector on this water delivery casing top, be located at this water delivery casing side water inlet pipe, being located at the rifle head that the water delivery barral of a gun below this water delivery casing is connected with the lower end of water delivery barral of a gun therewith forms, the pipe joint of described supply channel is connected with the water inlet pipe of described fertilizer dissolving case, the anti-backwater resistance control valve of described fertilizer dissolving case is connected with the connector on described water delivery casing is pre-, and the water delivery joint of described supply channel is connected with the water inlet pipe of described water delivery casing side.
2. drought resisting fertilizing gun according to claim 1, it is characterized in that described water delivery barral of a gun is by the water delivery gun barrel, the pressue device that is located in this water delivery gun barrel is formed, the front end of this water delivery gun barrel is connected with described rifle head, described pressue device is by the resistance divider that is located at described water delivery gun barrel bottom, be located at the spring below this resistance divider, the apopore that adds the large aperture from top to bottom gradually that is located at water delivery gun barrel side is formed.
3. drought resisting fertilizing gun according to claim 2 is characterized in that described resistance divider is one and is provided with radially half hollow circuit cylinder of apopore.
4. drought resisting fertilizing gun according to claim 2, it is characterized in that described water delivery casing is by casing, be arranged on the interior water of this casing towards impeller, be connected the counterweight accelerator of this water below impeller, be located at the axle sleeve that with casing be connected of this water towards the impeller shaft two ends, the sealing ring that is located on this axle sleeve is formed, and described water delivery barral of a gun comprises the water delivery gun barrel, and this water delivery gun barrel water therewith is connected towards impeller shaft.
5. drought resisting fertilizing gun according to claim 2 is characterized in that being provided with the assisted pedal stroke plate in a side relative with water inlet pipe of described water delivery casing.
6. drought resisting fertilizing gun according to claim 4, the downside place that the upper end that it is characterized in that described water delivery gun barrel is in the counterweight accelerator in the water delivery case is provided with osculum, lower end at this water delivery gun barrel is provided with the dewatering orifice, and the front end of water delivery gun barrel is equipped with drill bit type rifle point.
7. drought resisting fertilizing gun according to claim 1, the sub-material umbrella shape part that it is characterized in that described fertilizer dissolving casing is the hollow cone body that has annular bottom plate, this annular bottom plate is provided with equally distributed osculum, and the cavity of sub-material umbrella shape part is connected with described anti-backwater resistance control valve.
8. according to claim 1 or 6 described drought resisting fertilizing guns, it is characterized in that described anti-backwater resistance control valve by valve body, be located at the valve cone in this valve body, therewith the valve rod that is connected of valve cone, be sleeved on the spring on this valve rod, the hollow spiral plunger that is connected of spring is formed therewith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101593589A CN101213901B (en) | 2007-12-30 | 2007-12-30 | Drought resisting fertilizing gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101593589A CN101213901B (en) | 2007-12-30 | 2007-12-30 | Drought resisting fertilizing gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101213901A CN101213901A (en) | 2008-07-09 |
| CN101213901B true CN101213901B (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101593589A Expired - Fee Related CN101213901B (en) | 2007-12-30 | 2007-12-30 | Drought resisting fertilizing gun |
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| CN (1) | CN101213901B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847253B (en) * | 2012-08-30 | 2015-02-18 | 柳州市京阳节能科技研发有限公司 | Highly-efficient water-driven drilling fire gun |
| CN103404289B (en) * | 2013-07-22 | 2015-06-17 | 西北农林科技大学 | Precision anti-blocking liquid fertilizing gun |
| CN105165218B (en) * | 2015-08-06 | 2017-07-04 | 四川惠谷农业科技有限公司 | A kind of mini plant fertilizer applicator |
| CN107810696B (en) * | 2017-10-30 | 2020-10-13 | 合肥源康信息科技有限公司 | A fertilizer injection unit for red heart kiwi fruit |
| CN108651056B (en) * | 2018-03-14 | 2020-08-07 | 湖南林科达农林技术服务有限公司 | Tree pesticide injection gun |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315600A (en) * | 1980-01-17 | 1982-02-16 | Chem-Lawn Corporation | Spray gun injector |
| US5050340A (en) * | 1990-05-14 | 1991-09-24 | Seifert L Eugene | Pneumatic soil penetrator and chemical applicator assembly |
| CN2664363Y (en) * | 2003-09-26 | 2004-12-22 | 多建祖 | Hydraulic water manure gun |
| CN2796338Y (en) * | 2005-06-29 | 2006-07-19 | 云南力天科技开发有限公司 | Knap sack agricultural hydraulic water fertilizing gun |
| CN200980248Y (en) * | 2006-10-20 | 2007-11-28 | 郝宝海 | Pedal fertilizer applicator |
| CN201163883Y (en) * | 2007-12-30 | 2008-12-17 | 祝恩波 | Drought resisting fertilizing gun |
-
2007
- 2007-12-30 CN CN2007101593589A patent/CN101213901B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315600A (en) * | 1980-01-17 | 1982-02-16 | Chem-Lawn Corporation | Spray gun injector |
| US5050340A (en) * | 1990-05-14 | 1991-09-24 | Seifert L Eugene | Pneumatic soil penetrator and chemical applicator assembly |
| CN2664363Y (en) * | 2003-09-26 | 2004-12-22 | 多建祖 | Hydraulic water manure gun |
| CN2796338Y (en) * | 2005-06-29 | 2006-07-19 | 云南力天科技开发有限公司 | Knap sack agricultural hydraulic water fertilizing gun |
| CN200980248Y (en) * | 2006-10-20 | 2007-11-28 | 郝宝海 | Pedal fertilizer applicator |
| CN201163883Y (en) * | 2007-12-30 | 2008-12-17 | 祝恩波 | Drought resisting fertilizing gun |
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| CN101213901A (en) | 2008-07-09 |
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Granted publication date: 20100602 Termination date: 20101230 |