CN102205647B - Machining device of extrusion type vacuum heat-sealing drip irrigation belts - Google Patents
Machining device of extrusion type vacuum heat-sealing drip irrigation belts Download PDFInfo
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- CN102205647B CN102205647B CN 201110115002 CN201110115002A CN102205647B CN 102205647 B CN102205647 B CN 102205647B CN 201110115002 CN201110115002 CN 201110115002 CN 201110115002 A CN201110115002 A CN 201110115002A CN 102205647 B CN102205647 B CN 102205647B
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- drip irrigation
- labyrinth
- water
- extrusion type
- vacuum heat
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- 230000002262 irrigation Effects 0.000 title claims abstract description 74
- 238000003973 irrigation Methods 0.000 title claims abstract description 74
- 238000001125 extrusion Methods 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 title claims abstract description 26
- 238000003754 machining Methods 0.000 title abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000007666 vacuum forming Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 28
- 230000000740 bleeding effect Effects 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 102000010637 Aquaporins Human genes 0.000 claims description 8
- 108010063290 Aquaporins Proteins 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 5
- 230000011218 segmentation Effects 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000004804 winding Methods 0.000 abstract 2
- 238000000465 moulding Methods 0.000 description 11
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention aims to provide a machining device of extrusion type vacuum heat-sealing drip irrigation belts, which consists of a double-die screw extruder, a flexible press roller, a water-cooling vacuum forming roller, tensioning rollers, a separating cutter, an expanding wheel and a winding shaft. The flexible press roller and the water-cooling vacuum forming roller are arranged below an extrusion die head, the tensioning rollers are sequentially arranged at the back of a forming work station, the separating cutter is arranged between the tensioning rollers, and the expanding wheel and the winding shaft are arranged at the back of a separating work station. The machining device of the extrusion type vacuum heat-sealing drip irrigation belts, disclosed by the invention, can be used for forming 12-24 drip irrigation belts at the same time, thus the production efficiency is largely increased, and the production cost of the drip irrigation belts is reduced; the machining device of the drip irrigation belts becomes more professional, and the matched devices of the machining device are more standard; and the quality of the drip irrigation belts is easier to control, and the rapidly increased domestic market demands on water-saving irrigation are met.
Description
Technical field
The present invention relates to a kind of process equipment of extrusion type vacuum heat-sealing drip irrigation belts, belong to the agricultural water-saving irrigation equipment technical field.
Background technology
Drip irrigation is a kind of the most irrigation technique of water saving, and the drip irrigation zone is one of main drip irrigation parts, by the labyrinth flow-path on it, pressure flow can be become low discharge water droplet or thread and slowly ooze or flow out.But owing to use early stage input too high, limited this technology and applied in the poverty-stricken area in vast rural area especially drought and water shortage at present.The labyrinth flow-path forming method of drip irrigation zone commonly used mainly is the vacuum forming method at present: at first extrude continuously a thin cylinder by extruder, in the semi-molten state makes progress drawing process, the light-wall pipe of extruding is flattened, before cooling, by briquetting roller thin-wall plastic pipe is pressed into the labyrinth flow-path shape again, utilize simultaneously vacuum forming mode sucking-off labyrinth flow-path, through dissecing, be divided into two monolateral drip irrigation zones that the labyrinth is arranged of flank again.This production method and equipment is maximum 2 drip irrigation zones of pressing once, and production efficiency is lower.The applicant once disclosed the continuous production equipment of producing many paster maze flow passage drip irrigation belt of a kind of while in 2007, (200710061763.7) at first in industry the simultaneously technical scheme of many drip irrigation zones of pressing and forming of one group of equipment has been proposed, but the production efficiency that how to make the drip irrigation zone improves and the investment of reduction system, remains the bottleneck problem that the restriction drip irrigation zone is popularized to the rural area.
Summary of the invention
The object of the present invention is to provide the corollary equipment of many drip irrigation zones of a kind of while moulding, in the hope of significantly improving the production efficiency of drip irrigation zone, it is high to solve the drip irrigation zone production cost, the problem that the peasant cannot afford.
Technical scheme of the present invention is achieved in that the process equipment of this extrusion type vacuum heat-sealing drip irrigation belts, this equipment is by the Double-mold-head screw extruder, be arranged at flexible compression roller and water-cooling vacuum forming roller that extrusion die below synchronous backward rotates, and the idler roller that is set in turn in the shaping station rear, be arranged at the segmentation knife between the idler roller, be arranged at the flattening wheel at cutting station rear and twine axle and form, it is characterized in that, described water-cooling vacuum forming roller is sleeved on the fixation hollow axle by the rotational forming wheel and forms, arranging fixedly around hollow shaft, water jacket consists of cold water cavity, axially be provided with vacuum chamber between hollow shaft and the rotational forming wheel, during work, end face ratchet by sprocket wheel and rotational forming wheel end face ratchet engagement, the driven rotary briquetting roller is take fixing water jacket as the axle rotation.
The process equipment of described extrusion type vacuum heat-sealing drip irrigation belts, described rotational forming wheel outer surface arranges the annular ridge of constant spacing vertically, annular groove and the uniform through hole of bleeding, inlaying cross section in the annular groove is the annular labyrinth forming ring of rectangle, after the rotational forming wheel was inlayed the labyrinth forming ring, the forming ring external diameter was identical with the annular ridge external diameter.
The process equipment of described extrusion type vacuum heat-sealing drip irrigation belts, described every forming ring outer surface along the circumferential direction is carved with N organizes equally spaced labyrinth groove, the labyrinth groove is by hydraulic performance requirement design shape, bottom portion of groove arranges the bleed through hole of bleeding of through hole and rotational forming wheel of labyrinth and is communicated with, when rotating to the vacuum chamber position of water-cooling shaft, the through hole of bleeding forms vacuum condition, rotational forming wheel outer surface between annular ridge and labyrinth forming ring, aspirate out the drip irrigation zone and cross aquaporin, groove aspirates out water maze in the labyrinth, simultaneously annular ridge and forming ring bossing pressing drip irrigation zone, annular labyrinth.
The process equipment of described extrusion type vacuum heat-sealing drip irrigation belts, the through hole of bleeding that described rotational forming wheel is upper to be arranged is greater than the labyrinth of the labyrinth forming ring setting through hole of bleeding.
The process equipment of described extrusion type vacuum heat-sealing drip irrigation belts, pipe is connected with hollow shaft described vacuum chamber by bleeding excessively, and hollow shaft one end blocks, and an end connects bleeding point, and bleeding point is connected with vavuum pump by vacuum exhaust pipe, vacuum extraction valve.
The process equipment of described extrusion type vacuum heat-sealing drip irrigation belts, described rotational forming wheel other position of inner surface and vacuum chamber isolation do not form vacuum condition, and are coupling tactile with fixation hollow.
The process equipment of described extrusion type vacuum heat-sealing drip irrigation belts, described fixation hollow axle and end cap consist of cold water cavity, and cooling water intake and delivery port are set on the end cap.
The process equipment of described extrusion type vacuum heat-sealing drip irrigation belts, described cutting blade with become above the drip irrigation zone 100～120 the degree angles.
The present invention is owing to the technical scheme that adopts in same equipment continuous extrusion drip irrigation zone, can directly support the use with large-scale plastic extruder, simultaneously moulding 12-24 bar drip irrigation zone on the same production line, increase substantially production efficiency and reduce the drip irrigation zone production cost, make the process equipment of drip irrigation zone towards specialization, the planning standard future development, the easier control of quality, the market demand of advancing by leaps and bounds to satisfy China's water-saving irrigation.
Description of drawings
Fig. 1: extrusion type vacuum heat-sealing drip irrigation belts process equipment combination schematic diagram
Fig. 2: the top view that is Fig. 1
Fig. 3: water-cooling vacuum forming roller structural representation
Fig. 4: the A-A profile that is Fig. 3
Fig. 5: the B-B profile that is Fig. 3
Fig. 6: the C partial enlarged drawing that is Fig. 3
Fig. 7: be that the D of Fig. 3 is to view
Fig. 8: be that the E of Fig. 3 is to view
Fig. 9: the F partial enlarged drawing that is Fig. 7
Figure 10: the drip irrigation zone cross-sectional view that is the G position moulding of Fig. 9
Fig. 1, Fig. 2 process equipment front view, top view illustration:
1, extruder screw belt pulley 2, extruder elevating hopper 3, extruding machine barrel 4, extruder cabinet 5, extruding machine barrel heater 6, die head angle coupling 7, extrusion mould-outlet A 8, biplate extrusion die 9, extrusion mould-outlet B10, water-cooling vacuum forming roller 11, slitter shaft 12, drive motors belt pulley 13, drive belt 14, cylinder 15, flexible compression roller 16, moulding is the drip irrigation zone 17 of cutting not, idler roller A 18, idler roller B 19, idler roller C 20, idler roller D21, nip rolls 22, twine axle 23, vacuum exhaust pipe 24, return pipe 25, water inlet pipe 26, water inlet control valve door 27, air bleeding valve 28, extraction valve 29, cooling water tank 30, vavuum pump
Fig. 3～Fig. 9 water-cooling vacuum forming roller illustration:
10-1, bleeding point 10-2, locking nut A 10-3, water inlet 10-3-1, water inlet 10-3-2, delivery port 10-4, end cap A 10-5, labyrinth forming ring 10-5-3, labyrinth groove 10-5-1,10-5-2, through hole 10-6 bleeds, annular ridge 10-7, cold water cavity 10-8, excessively pipe 10-9 bleeds, fixing water jacket 10-9-1, water-cooling shaft vacuum chamber 10-10, rotational forming wheel 10-11, hollow shaft 10-12, end cap B 10-13, locking nut B10-14, drive sprocket 10-15, bearing 10-16, jump ring 10-17, fixing axle bed
Figure 10 illustration
A is the labyrinth, drip irrigation zone, and b is that aquaporin is crossed in the drip irrigation zone, and the c drip irrigation zone is stick portion
The specific embodiment
The processing method of extrusion type vacuum heat-sealing drip irrigation belts shown in Fig. 1,2 and equipment operation principle schematic diagram, operation principle of the present invention is to extrude simultaneously two plastic sheetings by a plastic extruder, crossing aquaporin and going out water maze of drip irrigation zone organized in simultaneously moulding more on plastic sheeting, and cutting online becomes many drip irrigation zones.
The special processing equipment of extrusion type vacuum heat-sealing drip irrigation belts provided by the invention is such as Fig. 1～shown in Figure 2.This equipment is by the Double-mold-head screw extruder, be arranged at flexible compression roller 15 and the water-cooling vacuum forming roller 10 of extrusion die below, and the idler roller 17,18,19,20 that is set in turn in the shaping station rear, be arranged at the segmentation knife 11 between the idler roller, be arranged at the flattening wheel 21 at cutting station rear and twine axle 22 compositions.Described water-cooling vacuum forming roller 10 is sleeved on the fixation hollow axle 10-11 by rotational forming wheel 10-10 and forms, arranging fixedly around hollow shaft, water jacket 10-9 consists of cold water cavity 10-7, axially be provided with vacuum chamber 10-9-1 between hollow shaft and the rotational forming wheel, during work, end face ratchet by sprocket wheel 10-14 and rotational forming wheel end face ratchet engagement, driven rotary briquetting roller 10-10 is take fixing water jacket (10-9) as the axle rotation.As shown in Figure 5.
Rotational forming wheel 10-10 outer surface arranges the annular ridge 10-6 of constant spacing vertically, annular groove and the uniform through hole 10-5-2 that bleeds, inlay the annular labyrinth forming ring 10-5 that cross section is rectangle in Fig. 6, Fig. 7, the annular groove shown in Figure 9, every forming ring outer surface along the circumferential direction is carved with N organizes equally spaced labyrinth groove 10-5-3, the labyrinth that bottom portion of groove the arranges diameter 0.5～0.6mm through hole 10-5-1 that bleeds is communicated with the larger through hole 10-5-2 that bleeds of rotational forming wheel circumference uniform distribution, bleed diameter 2～3mm of through hole 10-5-2, pitch of holes 10～12mm.When rotating to the vacuum chamber 10-9-1 position of water-cooling shaft, the through hole 10-5-2 that bleeds forms vacuum condition, rotational forming wheel outer surface between annular ridge 10-6 and labyrinth forming ring 10-5, aspirate out the drip irrigation zone and cross aquaporin 10-5-5, water maze aspirates out in groove 10-5-3 place in the labyrinth, simultaneously the drip irrigation zone of annular ridge 10-6 and annular labyrinth forming ring 10-5 bossing and flexible compression roller pressing semi-molten state.
Rotational forming wheel 10-10 other position of inner surface and vacuum chamber 10-9-1 isolation do not form vacuum condition, and contact with fixation hollow axle external diameter surface, and water flowing cooling surface and appearance generating surface distance are 13～15mm, are convenient to briquetting roller and cool off fast.
The labyrinth groove 10-5-3 of labyrinth forming ring 10-5 can be carved into arbitrary shape by the hydraulic performance requirement.After rotational forming wheel 10-10 inlayed the labyrinth forming ring, the forming ring external diameter was identical with the annular ridge external diameter.
Vacuum chamber 10-9-1 shown in Figure 4 is connected with hollow shaft 10-11 by the transition conduit 10-8 that bleeds, and hollow shaft one end blocks, and an end connects bleeding point 10-1, and bleeding point is connected with vavuum pump 30 by vacuum exhaust pipe 23, vacuum extraction valve 28.
Shown in Figure 8, fixation hollow axle 10-11, fixedly water jacket 10-9 and end cap 10-4,10-12 consist of cold water cavity 10-7, and cooling water intake 10-3-1 and delivery port 10-3-2 are set on the end cap.
The process equipment of described extrusion type vacuum heat-sealing drip irrigation belts, described segmentation knife 11 swords with become above the plastic tab 100～120 the degree angles.
When equipment was installed, clockwise 10～12 degree in the center of flexible compression roller cylindrical and format roll water-cooled axle sleeve vacuum chamber were tangent.
The operation principle of the process equipment of this extrusion type vacuum heat-sealing drip irrigation belts comprises:
After A, furnish component mix, insert the extruder elevating hopper;
B, extrude: adjust A, B, C, the D district heating-up temperature of extruding machine barrel heater (5), after the holding temperature of die head angle coupling (6), startup extruder drive motors is extruded two different plastic tab A of thickness, B at extrusion mould-outlet A, B;
C, drip irrigation zone moulding: two plastic tab A, B that extrude are by hang down space between flexible compression roller 15 and the water-cooling vacuum forming roller 10 of gravity, at flexible compression roller and water-cooling vacuum forming roller at the pressing plastic tab simultaneously, water-cooling vacuum forming roller the crossing aquaporin and go out water maze of many drip irrigation zones of vacuum draw moulding on thick B sheet.
Concrete operations comprise: start simultaneously the format roll drive motors in extruder work, be driven into forming roll 10, then start cylinder 14, cylinder piston promotes the flexible compression roller axle, evenly is pressed on the water-cooling vacuum forming roller of installation in parallel.At this moment, flexible compression roller rotates with the format roll synchronous backward under format roll drives.
Be adjusted to the forming roll velocity of rotation, under format roll and flexible compression roller pressing effect, one side stretches, draws, cools off the semi-molten state plastic tab, one side needs bonding position bonding rapidly the two layers of plastic thin slice, by vacuum draw, aquaporin is crossed in many drip irrigation zones and go out water maze suction moulding simultaneously.
In equipment when work,, format roll water-cooled axle sleeve passes into cooling water, opens extraction valve 28, starts vavuum pump 30, and suction plastic tab B made aquaporin and went out the water maze moulding, and A, B two layers of plastic thin slice are bonding simultaneously, and the working vacuum degree is regulated by air bleeding valve 27;
D, cutting: whole plastic tab of moulding is cut into the wall scroll drip irrigation zone simultaneously through idler roller, then passes through nip rolls 21, be wrapped in again and twine on the axle 22, every drip irrigation zone after the cutting is all fully flattened.
As previously mentioned, main innovate point of the present invention is and supporting large-scale molding wheel for drip irrigation belt and vacuum draw and cooling system and the structures that designed many excessively water flow passage and gone out water maze of Double-mold-head plastic extruder, the present invention has changed the equipment working method of extruding with vacuum forming, under the prerequisite that guarantees machining accuracy, increase substantially the production efficiency of plastic uptake drip irrigation zone, can process simultaneously 12-24 bar drip irrigation zone.
Foregoing description only proposes as the processing method of a kind of extrusion type vacuum heat-sealing drip irrigation belts of the present invention and several enforceable technical scheme of equipment, not as the restrictive condition to its structure or technology.
Claims (7)
1. the process equipment of an extrusion type vacuum heat-sealing drip irrigation belts, this equipment is by the Double-mold-head screw extruder, be arranged at flexible compression roller (15) and water-cooling vacuum forming roller (10) that extrusion die below synchronous backward rotates, and the idler roller (17 that is set in turn in the shaping station rear, 18,19,20), be arranged at the segmentation knife (11) between the idler roller, be arranged at the flattening wheel (21) at cutting station rear and twine axle (22) and form, it is characterized in that, described water-cooling vacuum forming roller (10) is sleeved on the fixation hollow axle (10-11) by rotational forming wheel (10-10) and forms, arranging fixedly around hollow shaft, water jacket (10-9) consists of cold water cavity (10-7), axially be provided with vacuum chamber (10-9-1) between hollow shaft and the rotational forming wheel, during work, end face ratchet by sprocket wheel (10-14) and rotational forming wheel end face ratchet engagement, driven rotary briquetting roller (10-10) is take fixing water jacket (10-9) as the axle rotation;
Described rotational forming wheel (10-10) outer surface arranges the annular ridge (10-6) of constant spacing vertically, annular groove and the uniform through hole of bleeding (10-5-2), inlaying cross section in the annular groove is the annular labyrinth forming ring (10-5) of rectangle, after rotational forming wheel (10-10) was inlayed the labyrinth forming ring, the forming ring external diameter was identical with the annular ridge external diameter.
2. the process equipment of extrusion type vacuum heat-sealing drip irrigation belts according to claim 1, it is characterized in that, every described labyrinth forming ring outer surface along the circumferential direction is carved with N organizes equally spaced labyrinth groove (10-5-3), the labyrinth groove is by hydraulic performance requirement design shape, bottom portion of groove arranges the bleed through hole of bleeding (10-5-2) of through hole (10-5-1) and rotational forming wheel of labyrinth and is communicated with, when rotating to vacuum chamber (10-9-1) position of water-cooling shaft, the through hole of bleeding forms vacuum condition, rotational forming wheel outer surface between annular ridge (10-6) and labyrinth forming ring (10-5), aspirate out the drip irrigation zone and cross aquaporin (10-5-5), (10-5-3) locates to aspirate out water maze at the labyrinth groove, simultaneously annular ridge (10-6) and annular labyrinth forming ring (10-5) bossing pressing drip irrigation zone.
3. the process equipment of extrusion type vacuum heat-sealing drip irrigation belts according to claim 2 is characterized in that, the upper through hole of bleeding (10-5-2) that arranges of described rotational forming wheel is greater than the labyrinth of the labyrinth forming ring setting through hole (10-5-1) of bleeding.
4. the process equipment of extrusion type vacuum heat-sealing drip irrigation belts according to claim 1, it is characterized in that, described vacuum chamber (10-9-1) is connected with hollow shaft (10-11) by the transition conduit of bleeding (10-8), hollow shaft one end blocks, one end connects bleeding point (10-1), and bleeding point is connected with vavuum pump (30) by vacuum exhaust pipe (23), vacuum extraction valve (28).
5. the process equipment of extrusion type vacuum heat-sealing drip irrigation belts according to claim 4, it is characterized in that, described rotational forming wheel other position of (10-10) inner surface and vacuum chamber (10-9) isolation do not form vacuum condition, and contact with fixation hollow axle (10-11).
6. the process equipment of extrusion type vacuum heat-sealing drip irrigation belts according to claim 1, it is characterized in that, described fixation hollow axle (10-11) consists of cold water cavity (10-7) with end cap (10-4,10-12), and cooling water intake (10-3-1) and delivery port (10-3-2) are set on the end cap.
7. the process equipment of extrusion type vacuum heat-sealing drip irrigation belts according to claim 1 is characterized in that, described segmentation knife (11) sword with become above the drip irrigation zone 100～120 the degree angles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110115002 CN102205647B (en) | 2011-05-05 | 2011-05-05 | Machining device of extrusion type vacuum heat-sealing drip irrigation belts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110115002 CN102205647B (en) | 2011-05-05 | 2011-05-05 | Machining device of extrusion type vacuum heat-sealing drip irrigation belts |
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| CN102205647A CN102205647A (en) | 2011-10-05 |
| CN102205647B true CN102205647B (en) | 2013-04-03 |
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| CN 201110115002 Expired - Fee Related CN102205647B (en) | 2011-05-05 | 2011-05-05 | Machining device of extrusion type vacuum heat-sealing drip irrigation belts |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104015384B (en) * | 2014-06-13 | 2016-04-06 | 河北雨燕灌溉设备有限公司 | Many tubular micropore labyrinth drip irrigating belt processing methods and equipment |
| CN114311604A (en) * | 2022-02-11 | 2022-04-12 | 贺瑞峰 | Damping type traction mechanism for drip irrigation tape production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582857Y (en) * | 2002-12-11 | 2003-10-29 | 河北国农节水工程有限公司 | Labyrinth drip irrigation pipe (belt) continuous rolling equipment |
| CN101015957A (en) * | 2007-02-05 | 2007-08-15 | 佛山市嘉力斯塑料机械有限公司 | Manufacture device for plastic air cushion plate and manufacture technique thereof |
| CN101288999A (en) * | 2007-04-18 | 2008-10-22 | 中国农业大学 | Processing method of thin wall labyrinth drip irrigating belt and its forming apparatus |
| CN101352909A (en) * | 2007-07-24 | 2009-01-28 | 新疆天业（集团）有限公司 | Molding wheel for drip irrigation belt |
| CN202097973U (en) * | 2011-05-05 | 2012-01-04 | 中国科学院遗传与发育生物学研究所 | Device for processing extrusion type vacuum heat-sealing drip irrigation tape |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE512587T1 (en) * | 2008-05-05 | 2011-07-15 | Mach Yvonand Sa | METHOD FOR MAKING DRIP IRRIGATION PIPES |
| IL200148A (en) * | 2009-07-29 | 2014-05-28 | Erez Yiflach | Apparatus and method for producing a plastic strip |
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2011
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582857Y (en) * | 2002-12-11 | 2003-10-29 | 河北国农节水工程有限公司 | Labyrinth drip irrigation pipe (belt) continuous rolling equipment |
| CN101015957A (en) * | 2007-02-05 | 2007-08-15 | 佛山市嘉力斯塑料机械有限公司 | Manufacture device for plastic air cushion plate and manufacture technique thereof |
| CN101288999A (en) * | 2007-04-18 | 2008-10-22 | 中国农业大学 | Processing method of thin wall labyrinth drip irrigating belt and its forming apparatus |
| CN101352909A (en) * | 2007-07-24 | 2009-01-28 | 新疆天业（集团）有限公司 | Molding wheel for drip irrigation belt |
| CN202097973U (en) * | 2011-05-05 | 2012-01-04 | 中国科学院遗传与发育生物学研究所 | Device for processing extrusion type vacuum heat-sealing drip irrigation tape |
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