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WO2019031659A1 - Tuyau flexible de goutte à goutte - Google Patents

Tuyau flexible de goutte à goutte Download PDF

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Publication number
WO2019031659A1
WO2019031659A1 PCT/KR2017/014392 KR2017014392W WO2019031659A1 WO 2019031659 A1 WO2019031659 A1 WO 2019031659A1 KR 2017014392 W KR2017014392 W KR 2017014392W WO 2019031659 A1 WO2019031659 A1 WO 2019031659A1
Authority
WO
WIPO (PCT)
Prior art keywords
hose
water
longitudinal direction
discharge
drop hose
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.)
Ceased
Application number
PCT/KR2017/014392
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English (en)
Korean (ko)
Inventor
박동욱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Topdrip Co Ltd
Original Assignee
Topdrip Co Ltd
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 Topdrip Co Ltd filed Critical Topdrip Co Ltd
Publication of WO2019031659A1 publication Critical patent/WO2019031659A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • 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
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
    • 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
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Perforated pipes or troughs, e.g. spray booms; Outlet elements therefor

Definitions

  • the present invention relates to a drop hose capable of supplying a small amount of water required for cultivation of crops, and more particularly, to a drop hose capable of supplying a small amount of water required for cultivation of crops, Even if any one or more of the discharge holes is closed by foreign substances, the discharge hose is not only smoothly discharged through other discharge holes but also discharges a certain amount of water through each discharge hole.
  • the drop hose is provided on the ground in close proximity to the root of the crop during the cultivation of the crop, so that the water in the hose is supplied to the ground through the water hole (discharge hole) formed on the outer periphery of the drop hose,
  • the drip hose forms a very small water flow hole so that a small amount of water can be continuously supplied to the ground, and water is supplied to the ground through droplets through the water flow hole.
  • the drip hose allows the same amount of water to be supplied to the crop through the water hole irrespective of the internal water pressure of the hose.
  • excellent drip hose can be a drip hose having a constant amount of water supplied through each water supply hole regardless of the water pressure generated inside the hose. That is, since the growth rate of the crop varies depending on the amount of water supplied to the crop, the amount of water to be supplied from the water hole formed in the drip hose should be uniform in order to induce uniform growth.
  • a resistor having a plurality of resistance structures is attached to the water supply hole for supplying water from the drip hose to the ground
  • the drip hose is formed as a double pipe.
  • the drip hose is formed by a double pipe, in which a synthetic resin film is roundly rolled so as to overlap a part thereof to form an inner water channel on the inner side and an outer water channel on the overlapping part, A plurality of inner water holes are formed in the inner and outer water passages at regular intervals and an outer water hole communicating with the outer circumference of the hose is formed in the outer water passageway so that water supplied from the inner water passageway Is moved to the outer water passage through the inner water passage and the moved water is discharged to the outside of the drop hose through the outer water passage This is to be supplied.
  • the conventional drip hose is usually made of a synthetic resin hose, when the water is not supplied, the inside of the hose is dried and adhered, so that the supplied water can not pass through the inside of the hose.
  • Korean Patent No. 0569225 discloses, as shown in FIG. 1, an inflow section 11 through which water flows in the tube T, A unit drip 1 composed of a discharge part 13 formed with a spray hole 2 for discharging water to the outside of the tube T via a part 12 and a pressure- And the pressure hose is continuously arranged in the direction of the arrow.
  • the pressure reducing hose disclosed in Korean Patent No. 0569225 has a problem that when the inflow part 11 or the decompression part 12 and the ejection hole 2 of the discharge part 13 are closed by the foreign substance, There is a problem that water is not discharged, which may cause a problem that the growth rate of crops becomes uneven.
  • the conventional pressure reducing hose or drip hose is often closed to small foreign matter because the water hole or jet hole through which the water is discharged is small in size, so that water in the hose is introduced, There is a problem that the whole unit does not work and thus the uniform growth of crops can not be achieved.
  • the present invention has been made in view of the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a drip hose which can prevent the inflow of water, decompression and discharge by foreign substances, And the solution to this problem is a solution to this problem by forming the decompression portion and the outflow portion in the lateral direction of the inflow portion so that even when a part of the inflow portion, a part of the decompression portion, or a part of the discharge portion of the outflow portion is closed by the foreign material, But the main object is to provide the water flow rate through the discharge hose formed in the entire hose through the constant hose.
  • the present invention provides a drop hose having a drop portion formed therein, the drop portion being formed in a longitudinal direction of the drop hose and an inflow portion formed in a longitudinal direction of the drop hose, And a discharge port formed in the longitudinal direction of the depressurizing hose and formed to communicate with one direction of the depressurizing portion.
  • the dripping section of the present invention may comprise one unit body constituted by an inlet section, a pressure-reducing section and an outlet section, and the unit body may be formed continuously in the longitudinal direction on the entire length of the drip hose, And the unit body is formed in the lengthwise direction of the entire drop hose.
  • the inflow portion of the present invention is constituted by a partition piece continuously arranged in the length direction of the drop hose and arranged at regular intervals, and having an elongated shape, and an inflow hole formed between the partition piece and the neighboring partition piece Quot ;, or "?&Quot; or " " or " Pressure passage portion in which the shapes are continuously arranged in the longitudinal direction of the drop hose.
  • the pressure-reducing portion of the present invention may include a first compartment formed in the longitudinal direction of the drop hose in one direction of the inflow portion, and a plurality of first induction protrusions protruding in one direction of the first compartment, A first induction hole formed between a first side portion continuously arranged in the longitudinal direction of the hose and a first compartment adjacent to the first compartment and a second induction hole formed between the first compartment and a second compartment formed in the longitudinal direction of the dock hose in one direction of the first side, And a plurality of second induction projections formed to protrude in a direction toward the other side of the second compartment and which are formed to be interlaced with the first induction protrusions, wherein the second side and the second side are continuously arranged in the longitudinal direction of the point hose, And a second induction hole formed between the second compartment and the adjacent second compartment.
  • the outlet portion of the present invention may include a discharge passage portion communicating with the decompression portion and a discharge portion formed at a position opposite to the discharge hole formed in the drop hose and the discharge passage portion together with the discharge portion, And a support portion formed to be thicker than the discharge portion.
  • the drip hose has a larger inflow portion than that of the prior art, so that even when a part of the inflow portion is closed by foreign substances, the inflow of water is smooth and the inflow of water through the plurality of first induction holes is smooth, Even if the discharge hole of the hose is closed by the foreign material, the flow rate discharged by the discharging portion capable of moving the water in the lateral direction, that is, the length direction of the hose hose, is uniform throughout the hose and the growth rate of the crop can be uniformly guided have.
  • FIG. 1 is a perspective view showing a conventional drop hose
  • FIG. 2 is a perspective view illustrating a drop hose according to a preferred embodiment of the present invention
  • FIG. 3 is a partially enlarged plan view showing a drop hose according to a preferred embodiment of the present invention.
  • FIG. 4 is a partially enlarged plan view showing a drop hose according to another embodiment of the present invention.
  • FIG. 5 is a partially enlarged plan view showing a dot portion according to a preferred embodiment of the present invention.
  • FIG. 1 A first figure.
  • FIG. 6 is a partially enlarged plan view and a cross-sectional view showing a dropping portion according to a preferred embodiment of the present invention
  • the present invention relates to a drop hose (10) capable of supplying a small amount of water required for cultivation of a crop, and more particularly, to a drop hose (10) (300) formed in a lateral direction of the inflow part (200) and introducing the water introduced into the inflow part (200) to adjust the flow rate of the water, and a decompression part And the depressurizing part 100 for discharging a predetermined amount of water to the outside of the drop hose 10 through the discharge hole 500 is formed at the inlet part 200, Even when a part of each of the discharge holes 500 of the discharge unit 300 or the discharge unit 400 is closed by a foreign substance, a constant flow rate of water is discharged to uniformly guide the growth of the crop.
  • the present invention provides a drop hose (10) having a dot portion (100), wherein the dot portion (100) comprises an inlet portion (200) formed in the longitudinal direction of the drop hose (10) A depressurizing part 300 formed in the longitudinal direction of the drop hose 10 and communicating with one side of the inflow part 200; And an outlet 400 formed in the longitudinal direction of the drop hose 10 and communicating with one direction of the depressurization unit 300.
  • the point unit 100 of the present invention is a single unit composed of an inflow unit 200, a decompression unit 300 and an outflow unit 400.
  • the unit unit is disposed on the entire lengthwise hose 10 Or one unit body composed of the inlet portion 200, the pressure-reducing portion 300, and the outlet portion 400, and one unit body is formed in the lengthwise direction of the drop hose 10 as a whole do.
  • the inflow portion 200 of the present invention may include a partition piece 210 continuously arranged in the longitudinal direction of the drop hose 10 and arranged at regular intervals and having a long hole shape, And the inflow hole 220 formed between one partition 210 and the decompression portion 300 is constituted by "?" Or “?" Or “?" Or “ “ or " Pressure flow path portion 310 in which the shapes are continuously arranged in the longitudinal direction of the drop hose 10.
  • the depressurization unit 300 of the present invention includes a first compartment 322 formed in the longitudinal direction of the drop hose 10 in one direction of the inflow unit 200 and a second compartment 322 formed in the first compartment 322, A first side portion 320 having a plurality of first induction projections 324 protruded in one direction of the drop hose 10 and continuously arranged in the longitudinal direction of the drop hose 10, A first guide hole 330 formed between the first partition parts 322 and a second partition member 342 formed in the longitudinal direction of the drop hose 10 in one direction of the first side part 320, And a plurality of second induction projections 344 protruding in the other direction of the second partitioning piece 342 and formed to be interlaced with the first inducing protrusions 324.
  • the length of the length hose 10 A second side (340) continuously arranged in a direction of the first side (340); And a second guide hole (350) formed between the second partition member (342) and the second partition member (342) adjacent to the second partition member (
  • the outlet portion 400 of the present invention includes a discharge channel portion 410 communicating with the decompression portion 300 and a discharge hole portion 500 formed in the drop hose 10, A discharge part 420 formed at a position opposite to the discharge part 420; And a support portion 430 having a thickness greater than that of the discharge portion 420, the discharge passage portion 410 being formed together with the discharge portion 420.
  • the drip part 100 which is a main component for achieving the present invention is formed in the drip hose 10 and includes an inflow part 200 into which water is introduced into the drip hose 10 to be described later,
  • the water in the inflow part 200 flows into the decompression part 300 and the water in the decompression part 300 flows through the discharge hole 500 formed through the inflow part of the decompression part 300,
  • the inflow part 200, the decompression part 300, and the outflow part 400 are arranged in one direction.
  • the dispenser 100 of the present invention comprises a single unit (unshown) composed of an inflow unit 200, a depressurization unit 300 and an outflow unit 400, That is, a plurality of continuous arrangements in the longitudinal direction are formed on the entire surface of the substrate 10.
  • the point unit 100 of the present invention is such that one unit is continuously arranged in the longitudinal direction of the point hose 10, thereby supplying water at a constant flow rate to the crop adjacent to the outside of the point hose 10, The water is discharged to the outside of the drip hose 10 through the other unit which is not closed even if the whole is closed by the foreign substance.
  • the pointed portion 100 of the present invention is characterized in that the inflow portion 200 and the decompression portion 300 are closed by the foreign matter inside the pointed hose 10,
  • the depressurization unit 300 and the depressurization unit 300 and the outflow unit 400 may be connected to the plurality of the passages 400 through the passages 400.
  • the first induction hole 330 and the second induction hole 350 and the second induction hole 350 are connected to each other so that a part of the discharge hole 500 is closed by an external foreign matter, 500, the water is discharged to the outside of the drop hose 10, thereby achieving the effect that the growth rate of the crop can be maintained uniformly.
  • the most preferable pointing part 100 of the present invention comprises one unit body composed of the inlet part 200, the pressure-reducing part 300 and the outlet part 400,
  • the depressurization part 300 and the outlet part 400 of the outlet part 400 are formed in the lengthwise direction of the whole of the drop hose 10 rather than the continuous arrangement of the above-
  • the water inside the drop hose 10 is moved through the discharge hole 500 of the inflow portion 200, the decompression portion 300 and the discharge portion 400 which are opened even when a part of the droplets 500 are closed by the foreign substance, Thereby realizing the effect of being smoothly discharged to the outside.
  • the inlet 200 of the dispenser 100 which is a key component for achieving the present invention
  • the partition piece 210 which is continuously arranged in the longitudinal direction of the drip hose 10 and is arranged at regular intervals and has a long hole shape, is formed in the longitudinal direction of the drip hose 10, And an inflow hole 220 formed between the partition piece 210 and the neighboring partition piece 210. Water in the interior of the drop hose 10 flows through the inflow hole 220, And is transferred to the decompression unit 300 to be described in detail.
  • the partitioning piece 210 is closed so that the water inside the docking hose 10 can be moved through the inflow hole 220 and is continuously arranged in the longitudinal direction of the docking hose 10, Thereby forming a plurality of inflow holes 220 and spaced apart from the decompression portion 300 to be described later to form an inflow channel (not shown), and water flows along the inflow channel in the longitudinal direction of the drop hose 10 .
  • the inflow part 200 of the present invention moves the water to the inflow path through the inflow hole 220 that is opened even when a part of the inflow hole 220 is closed by the foreign material inside the dotted hose 10,
  • the inflow hole 220 is formed to have a size smaller than that of the first induction hole 330 formed in the decompression portion 300 and the inflow hole formed in the inflow hole. This realizes the effect of preventing a large foreign matter from flowing into the interior of the viscous part 100 through the inflow hole 220.
  • the depressurization portion 300 which is a main component for achieving the present invention
  • the partition part 210 of the inflow part 200 and the partition part 210 of the inflow part 200 are formed so as to form the above- And a pressure-reducing channel portion 310 is formed on the inner side in such a manner that the water introduced from the inflow channel is moved in the longitudinal direction of the drop hose 10 and is guided to move at a constant flow rate .
  • the depressurized flow path portion 310 is formed with depressurized depressions 312 at the respective bent portions in the longitudinal direction of the depressurized hose 10, that is, in the forward and backward directions,
  • the flow velocity of the water moving in the longitudinal direction of the water tank 10 is made slow so as to maintain a constant flow rate and the vortex is formed so as to remove accumulated substances or debris and move to maintain the flow rate of water even more smoothly
  • the pressure-reducing passage portion 310 is most preferably a "? &Quot; shape in which the depressurizing grooves 312 for slowing the flow rate of water are most formed.
  • the first decompression unit 300 may include a first compartment 322 formed in the longitudinal direction of the drip hose 10 in one direction of the inflow unit 200, A first side portion 320 provided with a plurality of first induction projections 324 protruding in one direction of the first partition piece 322 and continuously arranged in the longitudinal direction of the drop hose 10, A first guide hole 330 formed between the first partition 322 and the adjacent first partition 322 and a second guide hole 330 formed in the longitudinal direction of the drop hose 10 in one direction of the first side 320 And a plurality of second guide protrusions 344 protruding in the other direction of the second partition piece 342 and formed to be offset from the first guide protrusion 324 A second side portion 340 continuously arranged in the longitudinal direction of the drop hose 10 and a second guide hole 350 formed between the second partition portion 342 and the adjacent second partition portion 342 Ha Characterized in that the configuration.
  • the first side portion 320 and the second side portion 340 form the pressure reducing passage portion 310.
  • the first side portion 320 and the second side portion 340 form the pressure reducing passage portion 310
  • a first induction hole 330 is formed between the first partition 320 and the first partition 320 adjacent to the first partition 320 so that water in the inflow passage of the inflow unit 200 can be introduced into the decompression unit 300 6
  • the pressure reducing passage 310 is formed between the second partitioning portion 342 of the second side portion 340 and the second partitioning portion 342 of the second side portion 340 adjacent to the second partitioning portion 342,
  • the second induction hole 350 is formed so that the water of the second induction hole 350 can be moved to the outflow portion 400, which will be described later in detail.
  • the outflow section 400 which is a main component for achieving the present invention
  • the outlet portion 400 of the present invention includes a discharge passage portion 410 communicating with the decompression portion 300 and a discharge hole 500 formed in the drop hose 10 to form the discharge passage portion 410.
  • the drain passage portion 410 is formed such that the water in the reduced pressure passage portion 310 of the decompression portion 300 flows through the second induction hole 350 and the water introduced through the second induction hole 350 is discharged In the longitudinal direction of the hose 10, that is, in the forward and backward directions of the drop hose 10.
  • the discharging unit 420 and the supporting unit 430 form the discharging passage 410 as described above and the discharging unit 420 is connected to the discharging hole 500 formed in the dropping hose 10
  • the supporting portion 430 is relatively thicker than the supporting portion 430 so that the water can be easily discharged and the supporting portion 430 is formed to be thicker than the discharging portion 420, By allowing a large amount of water to be filled into the discharge portion 420 which is a portion of the formed drip hose 10, water can be easily discharged to the outside while maintaining a proper water pressure not through a high water pressure through the discharge hole 500 To realize the effect that can be.
  • the discharge portion 420 when the discharge portion 420 is formed to have a thickness thinner than that of the support portion 430, the water pressure is higher than that of the support portion 430 when the discharge portion 420 is thicker than the support portion 430, It is possible to realize the effect of preventing breakage such as tearing of the portion of the dotted hose 10 formed with the ink tank 500 and to prevent the water from being supplied to the crop near the dotted hose 10 It is possible to realize the effect of preventing the problem and to form a wide flow path which allows the foreign matter to move more smoothly so that the discharge hole 500 can be minimally closed by the foreign matter.
  • the outlet portion 400 of the present invention is formed such that the discharge passage portion 410 is formed entirely in the longitudinal direction of the drop hose 10 by the discharge portion 420 and the support portion 430,
  • the water can be discharged through the discharge hole 500 which is opened even if a part of the discharge hole 500 is closed by an external foreign material, thereby achieving the effect that the growth rate of the crop can be uniform I will.
  • pressure reducing passage part 320 first side part
  • first partitioning piece 324 first guiding projection
  • first induction hole 340 second side

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

La présente invention concerne une technologie pour un tuyau flexible de goutte-à-goutte qui peut distribuer de petites quantités d'eau nécessaires pour la culture de plantes et, plus particulièrement, un tuyau flexible de goutte à goutte, dans lequel une partie de décompression et une partie de sortie sont formées dans la direction latérale par rapport à une partie d'entrée dans laquelle de l'eau s'écoule, de sorte que, même lorsqu'au moins l'un des trous d'évacuation formés dans la partie de sortie de façon à évacuer l'eau à travers celui-ci est obstrué par une matière étrangère et similaire, non seulement l'eau est évacuée rgulièrement à travers les autres trous d'évacuation ouverts, mais également le débit d'eau évacué à travers chacun des trous d'évacuation est uniforme. En outre, selon la présente invention, la partie d'entrée est d'une taille plus grande, par rapport à l'art antérieur, de sorte que, lorsqu'une partie de la partie d'entrée est obstruée par une matière étrangère, l'eau peut s'écouler régulièrement dans la partie d'entrée; une pluralité de premiers trous de guidage peuvent faciliter l'entrée d'eau dans la partie d'entrée; et même lorsque l'un quelconque des trous d'évacuation est obstrué par une matière étrangère, la partie de sortie permet que l'eau se déplace dans la direction latérale, c'est-à-dire, dans la direction longitudinale du tuyau flexible de goutte-à-goutte et, par conséquent, le débit d'eau évacué par la partie de sortie est uniforme, ce qui conduit à un taux de croissance uniforme de plantes.
PCT/KR2017/014392 2017-08-08 2017-12-08 Tuyau flexible de goutte à goutte Ceased WO2019031659A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0100168 2017-08-08
KR1020170100168A KR101805445B1 (ko) 2017-08-08 2017-08-08 점적호스

Publications (1)

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WO2019031659A1 true WO2019031659A1 (fr) 2019-02-14

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PCT/KR2017/014392 Ceased WO2019031659A1 (fr) 2017-08-08 2017-12-08 Tuyau flexible de goutte à goutte

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WO (1) WO2019031659A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112616412A (zh) * 2021-01-15 2021-04-09 河南大学 一种农业灌溉用滴水灌溉装置
CN114901461A (zh) * 2020-01-06 2022-08-12 美国杜邦泰津胶片合伙人有限公司 聚合物膜管

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101805445B1 (ko) * 2017-08-08 2017-12-06 주식회사 탑드립 점적호스
KR101991901B1 (ko) * 2018-01-24 2019-06-21 김귀현 압력조절 겸 여과 기능의 유로를 구비한 점적호스
WO2021091201A1 (fr) * 2019-11-07 2021-05-14 소인철 Conduit d'eau
KR102336639B1 (ko) 2021-03-25 2021-12-08 소인철 점적호스

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070138323A1 (en) * 2005-12-16 2007-06-21 Seo Won Co., Ltd. Drip irrigation hose
KR20090013023U (ko) * 2008-06-17 2009-12-28 소재용 용수용 호스의 드립
US20120145812A1 (en) * 2010-12-09 2012-06-14 Jae Gon Kim Water-drip hose
KR20150133508A (ko) * 2014-05-20 2015-11-30 김미소 유로형성이 용이한 작물 재배용 점적호스
KR101805445B1 (ko) * 2017-08-08 2017-12-06 주식회사 탑드립 점적호스

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070138323A1 (en) * 2005-12-16 2007-06-21 Seo Won Co., Ltd. Drip irrigation hose
KR20090013023U (ko) * 2008-06-17 2009-12-28 소재용 용수용 호스의 드립
US20120145812A1 (en) * 2010-12-09 2012-06-14 Jae Gon Kim Water-drip hose
KR20150133508A (ko) * 2014-05-20 2015-11-30 김미소 유로형성이 용이한 작물 재배용 점적호스
KR101805445B1 (ko) * 2017-08-08 2017-12-06 주식회사 탑드립 점적호스

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114901461A (zh) * 2020-01-06 2022-08-12 美国杜邦泰津胶片合伙人有限公司 聚合物膜管
CN114901461B (zh) * 2020-01-06 2025-06-06 麦乐专业软片美国有限合伙公司 聚合物膜管
CN112616412A (zh) * 2021-01-15 2021-04-09 河南大学 一种农业灌溉用滴水灌溉装置

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