KR20110018626A - Injection apparatus for medicinal fluid of tree - Google Patents

Injection apparatus for medicinal fluid of tree Download PDF

Info

Publication number
KR20110018626A
KR20110018626A KR1020090076185A KR20090076185A KR20110018626A KR 20110018626 A KR20110018626 A KR 20110018626A KR 1020090076185 A KR1020090076185 A KR 1020090076185A KR 20090076185 A KR20090076185 A KR 20090076185A KR 20110018626 A KR20110018626 A KR 20110018626A
Authority
KR
South Korea
Prior art keywords
injection unit
piston
chemical
tree
injector
Prior art date
Application number
KR1020090076185A
Other languages
Korean (ko)
Inventor
최형필
Original Assignee
최형필
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 최형필 filed Critical 최형필
Priority to KR1020090076185A priority Critical patent/KR20110018626A/en
Publication of KR20110018626A publication Critical patent/KR20110018626A/en

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Health & Medical Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Agronomy & Crop Science (AREA)
  • Water Supply & Treatment (AREA)
  • Soil Sciences (AREA)
  • Botany (AREA)
  • Cultivation Of Plants (AREA)
  • Catching Or Destruction (AREA)

Abstract

A tree chemical injector is disclosed that prevents the injector from being blocked by a sap of a tree, such as rosin, and prevents leakage of the chemical out of the tree. The wood chemical liquid injector is a cylindrical cylinder in which a chemical liquid is received and an outlet for outflowing the chemical liquid is formed on one side thereof, and a piston inserted and coupled to the other side of the cylinder to be moved back and forth along the longitudinal direction of the cylinder, to be detachably attached to the outlet. And an injection unit having a tubular shape so as to inject the chemical liquid flowing through the outlet into the tree and having a thread formed on a portion of an outer surface thereof, and a pressure member provided between the piston and the injection unit to apply pressure to the piston. It can be configured to include.

Description

Tree chemical injector {INJECTION APPARATUS FOR MEDICINAL FLUID OF TREE}

The present invention relates to an injector for injecting a chemical solution into a tree, and relates to a chemical injector for a tree which can prevent the injector from being blocked by the sap of the tree.

In recent years, trees are easily ill due to pollution and various pests caused by the development of various industries, and various pollutants that inhibit tree growth due to soil pollution are easily deteriorated and dead. .

In order to prevent the pests of trees and the death of trees, medicines such as appropriate therapeutic agents and nutrients should be properly injected into the trees. Method of injecting medicinal solution into the tree is foliar spraying method of spraying the medicinal solution to the leaves of the tree, irrigation to dilute the medicinal solution in water and spraying it directly onto the soil, and the method of controlling the liver to inject the medicinal solution through the perforation by drilling the tree. This is the latter mainly used for fast and sure effects.

In order to inject the chemical into the tree, a drill is used to form an injection hole at an angle of about 45 ° with respect to the surface of the tree from the surface of the tree to a predetermined depth. Then, the injection pipe connected to the chemical container is inserted into the injection hole, and the chemical liquid of the chemical container is supplied to the tree along the injection tube. The supplied chemical liquid is circulated and absorbed by the tree through the tree's water pipe and body tube.

By the way, such a chemical solution injection method has a drawback that the injection speed of the chemical solution is slow because it depends on the suction power of the tree. In addition, in order to inject the chemical liquid must be formed in the injection hole in the tree over time, the injection hole and the injection tube is closed due to the fluid generated in the injection hole. Because of this, the conventional method of injecting the chemical solution should be performed when the tree does not respond to the wound, that is, when no sap (eg, rosin) or sap is produced. Since the time when the fluid is not generated is different, there is a problem that it is difficult to determine the injection time. In addition, there is a problem that it is difficult to inject the chemical solution to the species, such as conifers are produced a lot of sap.

Embodiments of the present invention for solving the above problems are to provide a chemical solution injector for trees that can inject a chemical even if the sap is formed in the tree.

According to the embodiments of the present invention for achieving the above object of the present invention, a tree chemical injector that can inject a chemical solution even if the sap is generated, the cylinder is formed and the outlet is formed with an outlet for outflowing the chemical liquid on one side A cylinder, a piston inserted and coupled to the other side of the cylinder to move back and forth along the longitudinal direction of the cylinder, is formed detachably at the outlet and has a tube form so that the chemical liquid flowing through the outlet can be injected into the tree, It may be configured to include an injection unit with a thread formed on the side portion and a pressing member provided between the piston and the injection unit to apply pressure to the piston.

For example, the injection unit may have a form in which the cross-sectional area gradually decreases toward the end so that the injection unit can be easily inserted into and separated from the injection hole. In addition, the distal end portion of the injection unit may be formed a tip portion formed in the inclined surface. The screw thread may protrude from an outer surface of the injection unit.

The pressing member may be an elastic member for applying an elastic force in the direction for pressing the piston between the piston and the injection unit. Here, the end of the piston and one side of the injection unit is formed with a fastening portion is fastened to the pressing member, the other end of the pressing member is fastened to the piston may be fastened to the injection unit. The fastening part may include a first flange extending outwardly from an end of the piston and a second flange extending outwardly from one side of the injection unit. In addition, the piston and the injection unit may be provided with a plurality of fastening portions corresponding to each other. In addition, the first and second flanges may be provided with a guide for preventing the separation of the pressing member. Here, the second flange may be formed at a position adjacent to the portion coupled to the outlet in the injection unit.

As seen above, according to the embodiments of the present invention, since it has a form similar to the needle, it can be easily inserted into the injection hole formed in the tree and can effectively inject the chemical liquid.

In addition, since a screw thread is formed on a portion of the outer circumferential surface of the injection unit, it can be firmly fixed inside the injection hole and can seal the inside of the injection hole, thereby effectively preventing the chemical liquid from flowing out of the injection hole, and the cylinder and the piston containing the chemical liquid. Can support the weight of

In addition, since it has a form similar to a conventional syringe, it is possible to apply an appropriate pressure when injecting a chemical solution to the tree, it is possible to prevent the medicine liquid injection hole and the injection unit is blocked by the fluid in the tree.

In addition, since the pressure is continuously applied by the pressure member, even if the sap is generated, the liquid can be smoothly injected by the pressure, so that the chemical can be injected into the tree regardless of the time of the sap generation, It can be injected, which is effective for the treatment and nutrition of trees.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to or limited by the embodiments. In describing the present invention, a detailed description of well-known functions or constructions may be omitted for clarity of the present invention.

Hereinafter, a tree chemical injector 10 according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2. For reference, Figure 1 is a perspective view of the tree chemical injector 10 according to an embodiment of the present invention, Figure 2 is a perspective view of the injection unit 13 in the tree chemical injector 10 of FIG.

Referring to the drawings, the tree chemical injector 10 is composed of a cylinder 11, a piston 12, the injection unit 13 and the pressing member (14). Here, the tree chemical injector 10 has a conventional syringe shape, is formed of a stable material that does not chemically react with the chemical to be injected, for example, may be formed of a plastic material. However, the present invention is not limited by the drawings, and the tree chemical injector 10 may be changed in various ways in addition to the syringe form, and various materials may be used depending on the type of chemical to be injected.

The cylinder 11 may be formed in a cylindrical shape so that a predetermined chemical liquid is accommodated and a predetermined amount of chemical liquid is accommodated. In addition, an outlet 111 for injection of a chemical liquid is formed at one side of the cylinder 11, and a piston insertion part 112 into which the piston 12 is inserted is formed at the other side. The cylinder 11 is formed to have a volume for accommodating the chemical liquid to be injected into the tree once, and may be formed of a plastic material. In addition, the cylinder 11 may be formed of a transparent or semi-transparent material so as to check the amount of the chemical liquid contained therein, and a scale may be formed on a part of the outer side of the cylinder 11. Alternatively, a window may be formed at one side of the cylinder 11 to check the chemical liquid therein.

The piston 12 is inserted into the cylinder 11 so as to be movable along the longitudinal direction of the cylinder 11 in the cylinder 11, and the piston rod 121 and the cylinder 11 having a predetermined length It consists of a seal 123 for coupling and holding the seal 12 and the piston 12 to the cylinder 11. In addition, the packing part 123 is provided at the end portion 122 in which the piston 12 is inserted into the cylinder 11, and is in close contact with the inner surface of the cylinder 11 so that the end portion 122 and the cylinder 11 of the piston 12 are closed. By sealing the internal space, the chemical liquid inside the cylinder 11 is pressurized and flows out to the outlet 111. In addition, the packing part 123 serves to mount the piston 12 inside the cylinder 11 and maintain the position. For example, the packing part 123 may be formed of a rubber material.

The injection unit 13 is inserted into the injection hole (not shown) provided in the outlet 111 and formed in the tree, and injects the chemical liquid discharged through the outlet 111 into the tree. The injection unit 13 has a tube shape to inject the chemical liquid, and has a predetermined diameter so as to be tightly coupled to the outlet 111 in order to prevent leakage of the chemical liquid through the coupling portion of the outlet 111 and the injection unit 13. .

Here, since the injection unit 13 is formed detachably, it is possible to use an injection unit 13 of an appropriate size that can be tightly fixed inside the injection hole to match the diameter of the injection hole formed in the tree. In addition, when the injection unit 13 is damaged or clogged, the chemical injector 10 may be used as it is, and the injection unit 13 may be easily replaced and used, thereby making it easy to maintain and reduce costs.

In addition, the injection unit 13 may be formed such that the tip portion 132 is inclined to be inclined at a predetermined angle so that the injection unit 13 can be easily inserted into and removed from the injection hole, and the cross-sectional area gradually decreases toward the end. Alternatively, the injection unit 13 may be formed with a plurality of steps or a plurality of tapered portions along the longitudinal direction.

On one side of the outer circumferential surface of the injection unit 13 is formed a thread 133 protruding a predetermined height from the outer circumferential surface of the injection unit 13 and having a predetermined pitch. The thread 133 is formed only on a part of the surface along the longitudinal direction of the injection unit 13, for example, is formed in the approximately middle portion of the injection unit (13). And the thread 133 is formed to protrude more than the surface of the injection unit (13). This prevents the chemical liquid injected through the injection unit 13 from being suddenly changed in the cross sectional area at the portion where the thread 133 is formed so that the chemical liquid can be injected at a uniform pressure.

However, the present invention is not limited by the drawings, and the length in which the thread 133 is formed, the position in which the thread 133 is formed, the height and the pitch in which the thread 133 protrudes may be substantially changed.

The pressing member 14 is provided between the piston 12 and the injection unit 13 to apply a force in the direction to press the piston 12, it can continuously press the piston 12 until all the chemical liquid is injected. It may be an elastic member so that. For example, the pressing member 14 may be a rubber band or a spring. In addition, the pressing member 14 is used with a pressing member 14 having a suitable elastic force so that the appropriate pressure can be continuously applied according to the amount of the chemical liquid, the size of the piston 12 and the time the chemical liquid is injected.

Here, the pressing member 14 is provided between the end 124 of the piston 12 and one side of the injection unit 13, and is provided to apply elastic force to the piston 12 and the injection unit 13 at the same time. That is, the pressing member 14 pressurizes the piston 12 and also applies an elastic force to the injection unit 13 so that the injection unit 13 is in close contact with the cylinder 11 and the outlet 111 and improves and maintains the coupling force. You can.

The piston 12 and the injection unit 13 is formed with a fastening portion to which the pressing member 14 is fastened. For example, the fastening part may include a first flange 124 extending outwardly from an end of the piston 12 and a second flange 134 extending outwardly from the injection unit 13. Here, the first and second flanges 124 and 134 extend to a predetermined length so that the pressing member 14 can be stably fastened.

The first and second flanges 124 and 134 are formed at positions corresponding to each other so that the elastic force is uniformly applied to the piston 12 and the injection unit 13, and the first and second flanges 124 and 134 It extends so that the ends can be disposed on the same plane. In addition, at least one fastening portion may be formed. For example, two first and second flanges 124 and 134 may be formed along the outer circumferential surfaces of the piston 12 and the injection unit 13, respectively, 180 degrees apart from each other. Here, the number of fastening portions may be changed in various ways, but a plurality of fastening portions may be formed at positions spaced apart from each other at equal intervals so that the pressure applied from the pressing member 14 may work uniformly.

One side of the first and second flanges 124 and 134 may be provided with a guide 1 for preventing the pressing member 14 from being separated from the first and second flanges 124 and 134. The guides 125 and 135 are provided in the direction in which the pressing member 14 is detachable from the ends of the first and second flanges 124 and 134 and protrude a predetermined height so as to limit the detachment of the pressing member 14. Or may be recessed to a predetermined depth. For example, the first guide 125 having a protrusion shape protruding upward from the end of the first flange 124 by a predetermined height and the protrusion having a protrusion shape protruding downward from the end of the second flange 134 by a predetermined height. It may consist of two guides 135. However, the shape of the guides 125 and 135 is not limited by the drawings, and may have substantially various shapes that may prevent the pressing member 14 from being separated. For example, the first and second flanges ( 124 and 134 may have a groove shape in which the pressing member 14 is accommodated by being recessed a predetermined depth.

The second flange 134 is formed above the portion where the injection unit 13 is inserted into the injection hole. For example, as shown in the figure, it is formed in a position adjacent to the coupling portion 131 mounted to the outlet 111 in the injection unit (13).

Meanwhile, the piston 12, the injection unit 13, and the first and second flanges 124 and 134 are formed to have a material and a shape having sufficient strength so as not to be deformed by the pressure applied from the pressure member 14. do.

On the other hand, the drawings illustrate that the rubber band is used, but the present invention is not limited thereto, and various means capable of applying a spring or pressure or elastic force may be used.

On the other hand, the operation of the tree chemical injector 10 according to the present embodiment will be described.

First, an injection hole (not shown) is formed from a surface of a tree to a predetermined depth inside by using a drill at an appropriate position in a tree to be injected with a chemical solution. Here, the injection hole is formed at a slope of about 45 ° with respect to the surface of the tree.

Next, the chemical liquid injector 10 filled with the chemical liquid is inserted into the injection hole. Here, the injection unit 13 of the chemical injector 10 may be easily inserted into the injection hole because the distal end is formed as the tip portion 132 and the cross-sectional area gradually decreases toward the end.

Here, the injection unit 13 is used in the injection unit 13 having a diameter corresponding to the injection hole and the drill diameter so as to be in close contact with the injection hole, in case the size of the injection hole is different, the injection unit having an appropriate diameter (13) can be used interchangeably. In this case, the injection unit 13 has a diameter corresponding to the size of the injection hole to be inserted into the diameter of the end portion or the thread 133, the coupling portion 131 is the same diameter to be mounted on the outlet 111 Can have

Next, when the injection unit 13 is inserted to a predetermined depth, the screw thread 133 of the injection unit 13 is tightly fixed inside the injection hole, so that the chemical liquid injected from the injection unit 13 flows out of the injection hole and flows out. prevent. In addition, since the injection unit 13 prevents the outflow of the chemical liquid, all the injected chemical liquid can be absorbed by the tree to prevent waste of the chemical liquid. In addition, it is possible to prevent the chemical liquid leaked from the injection hole to contact the worker, people or animals, and to contaminate the surrounding environment.

Here, since the pressing member 14 continuously pressurizes the piston 12, the chemical liquid is pressurized to a predetermined pressure and injected through the injection unit 13. Therefore, even if the fluid is generated in the injection hole, it is possible to prevent the injection unit 13 from being closed by the pressure applied from the pressure member 14 and the piston 12, and the chemical liquid can be more effectively supplied and absorbed into the tree. have.

The chemical liquid injected through the injection unit 13 is circulated and absorbed into the tree through the water pipe and the body pipe of the tree.

As described above, the present invention has been described by specific embodiments such as specific components and the like, but the embodiments and the drawings are provided only to help a more general understanding of the present invention, and the present invention is limited to the above-described embodiments. In other words, various modifications and variations are possible to those skilled in the art to which the present invention pertains. Therefore, the spirit of the present invention should not be limited to the above-described embodiments, and all the things that are equivalent to or equivalent to the scope of the claims as well as the claims to be described later belong to the scope of the present invention.

1 is a perspective view of a tree chemical injector according to an embodiment of the present invention;

Figure 2 is a perspective view of the injection unit of the tree chemical injector of FIG.

<Explanation of symbols for the main parts of the drawings>

10: chemical injector 11: cylinder

12: piston 13: injection unit

14: pressure member 111: outlet

112: piston insert 121: piston rod

122: piston end 123: packing part

124, 134: flange 125, 135: guide

131: coupling portion 132: tip portion

133: thread

Claims (10)

A cylindrical cylinder in which a chemical solution is accommodated and an outlet port through which the chemical liquid flows out is formed; A piston inserted into and coupled to the other side of the cylinder to move back and forth along the longitudinal direction of the cylinder; An injection unit detachably formed at the outlet and having a tube shape so as to inject the chemical liquid flowing out through the outlet into a tree and having a thread formed on a portion of an outer surface thereof; And A pressurizing member provided between the piston and the injection unit to apply pressure to the piston; Tree chemical injector comprising a. The method of claim 1, The injection unit is a tree chemical injector having a form that gradually decreases in cross-sectional area toward the end. The method of claim 2, The dispensing end of the injection unit is a chemical drug injector for trees formed with a tip formed in the inclined surface. The method of claim 1, The screw is a wood chemical solution injector protruding from the outer surface of the injection unit. The method of claim 1, The pressurizing member is a wood chemical solution injector is an elastic member for applying an elastic force in the direction of pressing the piston between the piston and the injection unit. The method of claim 5, The end portion of the piston and one side of the injection unit is formed with a fastening portion is fastened to the pressing member, the pressure member is a chemical drug injector for the other end is fastened to the injection unit, one end is fastened to the piston. The method of claim 6, The fastening part comprises a first flange extending outwardly from the end of the piston and a second chemical fluid injector comprising a second flange extending outwardly from one side of the injection unit. The method of claim 7, wherein The piston and the injection unit is a chemical solution injector for trees having a plurality of fastening portions corresponding to each other. The method of claim 7, wherein The first and second flange is a chemical solution injector for trees provided with a guide for preventing the separation of the pressing member. The method of claim 7, wherein The second flange is a chemical medicine injector for the tree formed at a position adjacent to the portion coupled to the outlet in the injection unit.
KR1020090076185A 2009-08-18 2009-08-18 Injection apparatus for medicinal fluid of tree KR20110018626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090076185A KR20110018626A (en) 2009-08-18 2009-08-18 Injection apparatus for medicinal fluid of tree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090076185A KR20110018626A (en) 2009-08-18 2009-08-18 Injection apparatus for medicinal fluid of tree

Publications (1)

Publication Number Publication Date
KR20110018626A true KR20110018626A (en) 2011-02-24

Family

ID=43776228

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090076185A KR20110018626A (en) 2009-08-18 2009-08-18 Injection apparatus for medicinal fluid of tree

Country Status (1)

Country Link
KR (1) KR20110018626A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104012319A (en) * 2014-05-16 2014-09-03 广西襟联农林科技有限公司 Method for promoting secondary agilawood forming of aquilaria sinensis trees
CN104106388A (en) * 2014-07-21 2014-10-22 赵静 Infusion device for preventing and treating forest diseases and insect pests
KR101462503B1 (en) * 2014-07-01 2014-11-19 (주)태준아그로텍 Injector for tree
CN113748871A (en) * 2020-12-25 2021-12-07 杭州益森键生物科技有限公司 Split type minimally invasive high-stability tree injector and working method thereof
KR20230079996A (en) * 2021-11-29 2023-06-07 김다영 Automatic Infusion Solution Injector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104012319A (en) * 2014-05-16 2014-09-03 广西襟联农林科技有限公司 Method for promoting secondary agilawood forming of aquilaria sinensis trees
KR101462503B1 (en) * 2014-07-01 2014-11-19 (주)태준아그로텍 Injector for tree
CN104106388A (en) * 2014-07-21 2014-10-22 赵静 Infusion device for preventing and treating forest diseases and insect pests
CN113748871A (en) * 2020-12-25 2021-12-07 杭州益森键生物科技有限公司 Split type minimally invasive high-stability tree injector and working method thereof
KR20230079996A (en) * 2021-11-29 2023-06-07 김다영 Automatic Infusion Solution Injector

Similar Documents

Publication Publication Date Title
KR20110018626A (en) Injection apparatus for medicinal fluid of tree
KR101370955B1 (en) Screw type wood injector
ATE494024T1 (en) DISPOSABLE INFUSION DEVICE
KR101416661B1 (en) Pressure type injector for a stem)
WO2003100424A3 (en) Disposable injection device designed to be pre-filled
KR101250910B1 (en) Pressure type injector for a stem
US20200276429A1 (en) Tattoo needle tip with a capillary ink reservoir and combined device thereof
KR101678636B1 (en) Screw type wood injector
KR101594998B1 (en) Hermetic pressure type injector
JP6062466B2 (en) Device for injecting at least one chemical substance and / or preparation into tree and / or palm tree, and application method thereof
KR101756630B1 (en) Pressing-type injection method for tree trunk and injector thereof
KR102074311B1 (en) Pressure type injector for trunk of tree
KR102217130B1 (en) Portable chemical solution supply device for hair based on automatic supply
KR100822060B1 (en) Preventing device and method for prevention of the breeding and extermination of tree using the same
JP3197823U (en) Plant chemical injection device
KR20070000537U (en) An injecting device of liquid medicine for tree
KR101507033B1 (en) A Nozzle Device of a tree
KR200400180Y1 (en) Pressure type injector for a stem of tress
KR910005434Y1 (en) Injector for trees
TW201639444A (en) Hermetic pressure-type trunk injector
KR101111056B1 (en) Pressure type injector for trunk of tree
KR200400166Y1 (en) Pressure type injector for a stem of tree
KR20150001984U (en) underground water supply tool
KR102430931B1 (en) Safety syringe
KR102007654B1 (en) External compressed tree injector

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E90F Notification of reason for final refusal
E601 Decision to refuse application