CN116548280A - Device with externally inlaid strip and internally perforated drip-seepage pipe and manufacturing method thereof - Google Patents
Device with externally inlaid strip and internally perforated drip-seepage pipe and manufacturing method thereof Download PDFInfo
- Publication number
- CN116548280A CN116548280A CN202310737656.0A CN202310737656A CN116548280A CN 116548280 A CN116548280 A CN 116548280A CN 202310737656 A CN202310737656 A CN 202310737656A CN 116548280 A CN116548280 A CN 116548280A
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- Prior art keywords
- strip
- drip
- main body
- flow channel
- belt main
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 22
- 230000008595 infiltration Effects 0.000 claims description 10
- 238000001764 infiltration Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 5
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000000071 blow moulding Methods 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- 238000003973 irrigation Methods 0.000 abstract description 16
- 230000002262 irrigation Effects 0.000 abstract description 14
- 241000196324 Embryophyta Species 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 description 6
- 239000003337 fertilizer Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000009715 pressure infiltration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
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
- A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2029/00—Belts or bands
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses an externally-inlaid strip internally-perforated drip-seepage pipe belt device and a manufacturing method thereof, and relates to the technical field of agricultural irrigation; the drip-seepage pipe comprises a drip-seepage pipe belt main body, a plurality of water outlets are uniformly formed in the drip-seepage pipe belt main body, a strip is arranged on the outer side of the drip-seepage pipe belt main body and positioned at the position of the water outlets, a turbulent flow channel communicated with the water outlets is formed in the inner side of the strip, and the turbulent flow channel is communicated with the outside near the side of the strip. The drip-seepage pipe belt is manufactured by the manufacturing method of the external-inlaid strip heat adsorption turbulence channel and the internal-punched drip-seepage pipe belt device, adopts the external-inlaid strip mode, can be thermally adhered with an elastic strip film on one side, avoids the blocking problem caused by entering of weeds and the like into a pipeline in the using process, thermally adsorbs the linear water flow channel, punches holes at the positions required by flow, and is secondarily compounded with the heat adsorption turbulence channel, so that the compensation is increased.
Description
Technical Field
The invention relates to the technical field of agricultural irrigation, in particular to an externally-inlaid strip internally-perforated drip-seepage pipe belt device and a manufacturing method thereof.
Background
The water and fertilizer integrated plant irrigation in modern agriculture is realized by adopting a ground micro-irrigation mode, the ground micro-irrigation mode has the advantages of large evaporation capacity of water, low water and fertilizer utilization rate, air pollution caused by volatilization of chemical fertilizer, water source pollution, soil pollution, more long grass for the water and fertilizer on the surface, more insect pests and more pesticide spraying.
In order to solve the problems, the method of buried infiltrating irrigation can be adopted at present, the buried infiltrating irrigation is water-saving, fertilizer-saving, land-saving, labor-saving and environment-friendly, and the yield is increased, but the buried infiltrating irrigation pipe and infiltrating irrigation belt produced and used at home at present are basically of an embedded dripper structure and a pipe wall foaming internal pressure infiltration method through a runner material, and a water outlet is easily blocked due to soil, weeds and the like in the use process, so that the irrigation effect is affected.
Disclosure of Invention
The invention aims to provide a device with an externally-inlaid strip and an internally-perforated drip-seepage pipe and a manufacturing method thereof, which are used for solving the problems in the prior art, and the device can be used for thermally adhering an elastic strip film on one side in a mode of externally-inlaid strip, so that the blocking problem caused by entering of weeds and the like into a pipeline in the using process is avoided.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a drip-seepage pipe belt device with an externally inlaid strip and internally perforated holes, which comprises a drip-seepage pipe belt main body, wherein the drip-seepage pipe belt main body can be made of a composite material or a plastic material capable of being stretched and blown to form, a plurality of water outlets are uniformly formed in the drip-seepage pipe belt main body, the outside of the drip-seepage pipe belt main body is provided with a strip at the position of the water outlet, the inside of the strip is provided with a turbulence channel communicated with the water outlets, and the side of the turbulence channel close to the strip is communicated with the outside; the drip-seepage pipe belt is manufactured by the manufacturing method of the external-inlaid strip heat adsorption turbulence channel and the internal-punched drip-seepage pipe belt device, adopts the external-inlaid strip mode, can be thermally adhered with an elastic strip film on one side, thermally adsorbs a linear water flow channel, punches holes at the positions required by flow, and is secondarily compounded with the heat adsorption turbulence channel, so that the compensation performance is improved.
Optionally, the drip infiltration pipe belt main body comprises an inner layer pipe and an outer layer pipe which are fixedly connected, and the water outlet penetrates through the inner layer pipe and the outer layer pipe; the outer layer tube is made of polyethylene LLDPE material and EVA mixture, and the inner layer tube is made of PE blow molding raw material.
Optionally, the drip infiltration pipe belt main body comprises an inner layer pipe and an outer layer pipe which are fixedly connected, and the water outlet penetrates through the inner layer pipe and the outer layer pipe; the outer layer tube is made of EVA material or TPE material, and the inner layer tube is made of HDPE material.
Optionally, the turbulent flow channel comprises a first flow channel communicated with the water outlet, the tail end of the first flow channel is communicated with a second flow channel, the second flow channel comprises a plurality of inclined sub-flow channels symmetrically arranged on two sides of the inner side of the strip, and the tail end of the inclined sub-flow channel is communicated with the outside.
The invention also provides a manufacturing method of the device for the drip-seepage pipe with the inner hole of the externally inlaid strip, which comprises the following steps:
step one, extruding an inner layer pipe and an outer layer pipe of a drip tube belt main body by using two extruders in a compounding way, cooling and sizing by cooling water according to the diameter and the thickness required by a product, and adjusting the distance between water outlets to punch holes according to the water outlet flow requirement of the product;
extruding the sticking strip by another extruder, drawing the sticking strip between a hot forming wheel with a turbulent flow channel and a pressing wheel to form the sticking strip with the turbulent flow channel in a pressing mode, and hot-pressing the sticking strip on a perforated drip infiltration pipe belt main body;
and thirdly, bundling the product formed in the second step after cooling and shaping.
Optionally, in the second step, when the strip is pasted in a hot pressing mode, the automatic brushing machine is used for gluing the strip at the position along the turbulent flow channel, the water inlet cavity of the strip is aligned with the water outlet hole of the drip tube main body, and then the strip is connected with the drip tube main body by heat sealing.
Optionally, in the second step, when the adhesive strip is hot-pressed, the extruded adhesive strip is directly placed above the water outlet hole of the drip-seepage pipe belt main body at the same linear speed, and the adhesive strip is formed by forming a heat sealing wheel with a turbulence channel for sucking vacuum.
Compared with the prior art, the invention has the following technical effects:
the drip seepage pipe is provided with holes, no drip heads are embedded, the phenomenon that the drip heads are blocked by sediments due to water resistance generated by the embedded drip heads is reduced, the anti-blocking property is strong, and the wall thickness of the pipe can be adjusted and produced according to the use requirement speed; the drip-seepage pipe is externally attached with the strip, so that the problem that the water outlet through hole is directly contacted with the land and is easily blocked by weeds and soil in the irrigation process is avoided, the strip is matched with the serrated water outlet arranged at the heat sealing edge of the drip-seepage pipe to form a turbulent flow channel structure, the water outlet is uniform, and the flow is stable and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic partial cross-sectional view of a perforated drip tube strip device in an outer inlaid strip of the present invention;
reference numerals illustrate: 1-a drip infiltration pipe belt main body, 2-a water outlet hole, 3-a strip and 301-a turbulent flow channel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide an externally-inlaid strip internally-perforated drip-seepage pipe belt device and a manufacturing method thereof, which are used for solving the problems in the prior art, and the problem of blockage in a pipeline in the using process is avoided by adopting an externally-inlaid strip mode.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The invention provides a drip-pipe belt device with holes in an externally inlaid sticking strip, which is shown in figure 1 and comprises a drip-pipe belt main body 1, wherein the drip-pipe belt main body 1 is made of mixed materials such as LLDPE and HDPE metallocene polyethylene materials according to a certain proportion for stretch resistance and internal pressure resistance, the drip-pipe belt main body 1 is uniformly provided with a plurality of water outlets 2, the outside of the drip-pipe belt main body 1 is provided with sticking strips 3 at the positions of the water outlets 2, the inside of the sticking strips 3 is provided with turbulent flow channels 301 communicated with the water outlets 2, the turbulent flow channels 301 comprise first flow channels communicated with the water outlets 2, the tail ends of the first flow channels are communicated with second flow channels, and the tail ends of the second flow channels comprise a plurality of inclined flow distribution channels symmetrically arranged on two sides of the inside of the sticking strips 3, and the tail ends of the inclined flow distribution channels are communicated with the outside. The invention solves the technical problems of low secondary forming efficiency or easy blocking of embedded in the existing embedded patch drip irrigation tape or embedded cylindrical drip irrigation pipe, has compensation performance, has no pollution in the production process of materials of the product, is environment-friendly in use, and saves water, fertilizer, labor and time, is environment-friendly and increases the yield.
Specifically, the drip infiltration pipe belt main body 1 comprises an inner layer pipe and an outer layer pipe which are fixedly connected, and the water outlet hole 2 penetrates through the inner layer pipe and the outer layer pipe; the outer layer pipe and the inner layer pipe can be combined and extruded by two extruders, the polyethylene LLDPE material and the EVA mixture for the outer layer pipe and the PE blow molding material for the inner layer pipe are combined, so that the composite drip infiltration pipe belt main body has good stretching resistance and water internal pressure resistance; in another embodiment, the material formulation of the drip tube main body is HDPE for an inner tube, EVA for an outer tube or TPE, and the inner tube of the drip tube main body has elasticity for the strength of product performance, and the outer tube material has low temperature to enable the product to have a stretching-resistant outer tube, is easy to be covered with a sticking strip and has elasticity, thereby being beneficial to compensation effect.
The invention also provides a manufacturing method of the device for the drip-seepage pipe with the inner hole of the externally inlaid strip, which comprises the following steps:
step one, extruding an inner layer pipe and an outer layer pipe of a drip tube belt main body by using two extruders in a compounding way, cooling and sizing by cooling water according to the diameter and the thickness required by a product, and adjusting the distance between water outlets to punch holes according to the water outlet flow requirement of the product;
extruding the strip by using another extruder, drawing and forming the drip-seepage pipe belt main body by using a first tractor, then producing the strip with an externally inlaid turbulent flow channel, synchronously producing the strip by using the extruder for producing the strip and the extruder for producing the drip-seepage pipe belt main body at the same line speed, preparing the strip by using HDPE and LLDPE mixed materials, or using a coating material, using HDPE for the outer layer of the strip, using EVA or TPE for the inner layer of the strip, using the coating material to ensure that the processing temperature of the inner layer material is low, and the strip is easy to be adhered with the drip-seepage pipe belt main body, and has the compensation function of the elastic favorable infiltrating irrigation belt.
The extruder for producing the sticking strip is placed at the position above the rear part of the first traction machine, for example, a phi 45 extruder is used, a coating material is extruded by two extruders with small diameters through a coextrusion molding machine head, heating and melting are carried out, then the extrusion molding is carried out between a thermoforming wheel with a turbulent flow passage and a pressing wheel to form an externally inlaid molding sticking strip with a turbulent flow passage in a pressing mode, the sticking strip is hot-pressed on a drip tube belt main body, the design of the turbulent flow passage is designed according to the water outlet flow and the water outlet spacing, the sticking strip and the drip tube belt main body can be thermally bonded with adhesive, li Re sealing firmness is achieved, for example, an automatic brushing machine is used for gluing the coating material at the position along the turbulent flow passage, a water inlet cavity of the sticking strip is required to be aligned with the water outlet position of the drip tube belt main body, the extruded sticking strip can be directly placed above the drip tube belt main body at the same line speed, the molding heat sealing wheel with the turbulent flow passage with suction is used for molding, the molding temperature is mainly good, the two methods are carried out by the synchronous molding of the drip tube belt main body and the sticking strip, the cooling machine is required to be completely wound on the cooling water channel after the cooling machine is required to be completely coiled, and the cooling water is required to be firmly molded after the cooling machine is required to be completely and coiled;
and thirdly, bundling the product formed in the second step after cooling and shaping.
The drip irrigation pipe belt device with the externally inlaid strip and internally perforated solves the problem that drip irrigation products of the internally inlaid strip, the internally inlaid strip and the internally inlaid cylindrical drip head cannot be buried and irrigated, reduces the production cost, and needs an injection molding machine and a mold for producing the internally inlaid strip or the cylindrical drip head; the laying distance of the finished product of the drip infiltration pipe belt main body is longer, the anti-blocking performance is good, and the drip infiltration pipe belt main body is buried in the soil and has long service life.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (7)
1. The utility model provides a drip infiltration pipe area device punches in outer inlaid strip which characterized in that: the drip-seepage pipe comprises a drip-seepage pipe belt main body, a plurality of water outlets are uniformly formed in the drip-seepage pipe belt main body, a strip is arranged on the outer side of the drip-seepage pipe belt main body and positioned at the position of the water outlets, a turbulent flow channel communicated with the water outlets is formed in the inner side of the strip, and the turbulent flow channel is communicated with the outside near the side of the strip.
2. The strip of externally-inlaid, internally-perforated drip-tube tape apparatus of claim 1, wherein: the drip seepage pipe belt main body comprises an inner layer pipe and an outer layer pipe which are fixedly connected, and the water outlet holes penetrate through the inner layer pipe and the outer layer pipe; the outer layer tube is made of polyethylene LLDPE material and EVA mixture, and the inner layer tube is made of PE blow molding raw material.
3. The strip of externally-inlaid strip-in-punch drip-tube tape apparatus of claim 2, wherein: the drip seepage pipe belt main body comprises an inner layer pipe and an outer layer pipe which are fixedly connected, and the water outlet holes penetrate through the inner layer pipe and the outer layer pipe; the outer layer tube is made of EVA material or TPE material, and the inner layer tube is made of HDPE material.
4. A strip-in-strip perforated drip tube tape device according to claim 3, wherein: the turbulent flow channel comprises a first flow channel communicated with the water outlet, the tail end of the first flow channel is communicated with a second flow channel, the second flow channel comprises a plurality of inclined sub-flow channels symmetrically arranged on two side edges of the inner side of the strip, and the tail end of each inclined sub-flow channel is communicated with the outside.
5. A manufacturing method of an externally inlaid strip internally perforated drip-seepage pipe belt device is characterized by comprising the following steps of: the method comprises the following steps:
step one, extruding an inner layer pipe and an outer layer pipe of a drip tube belt main body by using two extruders in a compounding way, cooling and sizing by cooling water according to the diameter and the thickness required by a product, and adjusting the distance between water outlets to punch holes according to the water outlet flow requirement of the product;
extruding the sticking strip by another extruder, drawing the sticking strip between a hot forming wheel with a turbulent flow channel and a pressing wheel to form the sticking strip with the turbulent flow channel in a pressing mode, and hot-pressing the sticking strip on a perforated drip infiltration pipe belt main body;
and thirdly, bundling the product formed in the second step after cooling and shaping.
6. The method for manufacturing the perforated drip tube tape device in the outer inlaid strip according to claim 5, wherein: in the second step, when the strip is pasted in a hot pressing mode, the automatic brushing machine is used for gluing the strip at the position along the turbulent flow passage, the water inlet cavity of the strip is aligned with the water outlet hole of the drip-seepage pipe belt main body, and then the strip is connected with the drip-seepage pipe belt main body in a heat sealing mode.
7. The method for manufacturing the perforated drip tube tape device in the outer inlaid strip according to claim 5, wherein: in the second step, when the sticking strip is hot-pressed, the extruded sticking strip is directly placed above the water outlet hole of the drip-seepage pipe belt main body at the same linear speed, and is formed by forming a heat sealing wheel with a turbulent flow channel for sucking vacuum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310737656.0A CN116548280A (en) | 2023-06-21 | 2023-06-21 | Device with externally inlaid strip and internally perforated drip-seepage pipe and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310737656.0A CN116548280A (en) | 2023-06-21 | 2023-06-21 | Device with externally inlaid strip and internally perforated drip-seepage pipe and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116548280A true CN116548280A (en) | 2023-08-08 |
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ID=87493140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310737656.0A Pending CN116548280A (en) | 2023-06-21 | 2023-06-21 | Device with externally inlaid strip and internally perforated drip-seepage pipe and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116548280A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118383254A (en) * | 2024-05-29 | 2024-07-26 | 山东长江节水灌溉科技有限公司 | Secondary plastic anti-blocking drip irrigation pipe with inner pipe sewing thread attached with turbulent flow belt |
| CN118511805A (en) * | 2024-05-29 | 2024-08-20 | 山东长江节水灌溉科技有限公司 | Compensation type secondary plastic-coated anti-blocking seepage drip irrigation pipe |
-
2023
- 2023-06-21 CN CN202310737656.0A patent/CN116548280A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118383254A (en) * | 2024-05-29 | 2024-07-26 | 山东长江节水灌溉科技有限公司 | Secondary plastic anti-blocking drip irrigation pipe with inner pipe sewing thread attached with turbulent flow belt |
| CN118511805A (en) * | 2024-05-29 | 2024-08-20 | 山东长江节水灌溉科技有限公司 | Compensation type secondary plastic-coated anti-blocking seepage drip irrigation pipe |
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