CN1317119C - Method for producing ultrathin strap of trickle irrigation - Google Patents
Method for producing ultrathin strap of trickle irrigation Download PDFInfo
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- CN1317119C CN1317119C CNB2005100426999A CN200510042699A CN1317119C CN 1317119 C CN1317119 C CN 1317119C CN B2005100426999 A CNB2005100426999 A CN B2005100426999A CN 200510042699 A CN200510042699 A CN 200510042699A CN 1317119 C CN1317119 C CN 1317119C
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Abstract
The present invention relates to a method for preparing an ultrathin drip irrigation band, which comprises the following steps that raw materials are selected; the raw materials are weighed and taken; the raw materials are dried and are put into a low-speed mixer for full mixture; a sheet which conforms to thickness and width requirements is extruded from an extruder; two groups of sheets are transported to a constant temperature oven; the two groups of sheets are transported to a vacuum sucking and molding machine after preheated and are sucked and molded into a drip irrigation band with a plurality of turbulent flow passages in a hot-pressing mode through a vacuum sucking and molding roller, and then, the drip irrigation band is cooled and formed; the drip irrigation band is transported into a splitting machine and is cut into single and ultrathin drip irrigation bands. The method has the characteristic to use a two-step processing method that firstly, the sheets which conform to the thickness and width requirements are extruded by the extruder, and the thickness is from 0.05 to 0.08mm; secondly, the two groups of preheated sheets are sucked and molded into the ultrathin drip irrigation band with a plurality of turbulent flow passages in a hot-pressing mode by the vacuum sucking and molding roller, the production speed is above 100m per minute, and the sale value reduces one time. The method can be widely used for agriculture, forestry, lawn greening industry, etc., and has good society and economic benefit.
Description
Technical field
The present invention relates to the preparation method of water saving micro irrigation equipment, be specially adapted to a kind of method of making ultrathin strap of trickle irrigation
Background technology
The making processing method of existing drip irrigation zone is to adopt extruder extruding pipe blank molding method, so can only produce wall scroll or two drip irrigation zones, simultaneously owing to when extruding pipe material, there is not blow-up ratio, the wall thickness of drip irrigation zone is fallen below 0.15mm, the making processing method of above-mentioned drip irrigation zone does not reach produces the following ultrathin drip irrigation zone of 0.1mm, therefore, there is thickness of pipe wall, the waste raw material, strengthened the making cost of processing, the speed of production wall scroll is not more than per minute 15m, and two bars are not more than defectives such as 30 meters of per minutes.
Summary of the invention
Goal of the invention of the present invention provides that a kind of cost is low, and speed of production is fast, a kind of method of making ultrathin strap of trickle irrigation that the drip irrigation zone tube wall is thin.
The technical scheme that realizes goal of the invention is to solve like this: make the method for ultrathin strap of trickle irrigation, carry out according to the following steps:
A, select raw material according to the material compositions of ultrathin strap of trickle irrigation;
B, take by weighing raw material according to the ratio of the material compositions of ultrathin strap of trickle irrigation;
C, the raw material that take by weighing are carried out drying handle 60 ℃-80 ℃ of its treatment temperatures;
D, the raw material after super-dry is handled are put into low speed mixer and are fully mixed, and the speed of its mixed on low speed is 10-20 rev/min, and incorporation time is 15 minutes-20 minutes, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder, and to extrude the sheet material that meets thickness requirement stand-by, and promptly extruding thickness is 0.05～0.08mm, and the temperature of its extruder is 180 ℃-210 ℃;
F, will extrude two groups of sheet material that meet thickness and width requirement and divide that two-layer up and down to send into the constant temperature oven oven temperature of heating be 145 ℃-150 ℃, the speed of sending into is 10 meters of per minutes;
G, send into vacuum plastic-absorbing machine simultaneously through two groups of sheet materials of preheating, the vacuum of vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
H, many drip irrigation zones of cooling and shaping sent into again cut into the ultra-thin tubular drip irrigation zone of wall scroll in the cutting machine, finished product;
I, through ultra-thin tubular drip irrigation zone that above-mentioned steps is made into again by quality inspection, pack, go into Library, outbound, sale.
Another kind of method of making ultrathin strap of trickle irrigation, carry out according to the following steps:
A, select raw material according to the material compositions of ultrathin strap of trickle irrigation;
B, take by weighing raw material according to the ratio of the material compositions of ultrathin strap of trickle irrigation;
C, the raw material that take by weighing are carried out drying handle 65 ℃-75 ℃ of its treatment temperatures;
It is 10-20 rev/min that d, the raw material after super-dry is handled are put into its mixing velocity of the abundant mixing of low speed mixer, and incorporation time is 15-20 minute, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder extrude the film that meets thickness requirement, promptly extruding thickness is 0.05～0.08mm, and the temperature in its extruder is 185 ℃-220 ℃;
F, will extrude the film that meets thickness requirement directly send into vacuum plastic-absorbing machine before uncolled, the vacuum of its vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
G, many drip irrigation zones of cooling and shaping sent into again cut into the ultra-thin tubular drip irrigation zone of wall scroll in the cutting machine, finished product;
H, through ultra-thin tubular drip irrigation zone that above-mentioned steps is made into again by quality inspection, pack, go into Library, outbound, sale.
The present invention has become former wall scroll or the two bar pipes processing method extruded to have extruded the sheet material that meets the specification earlier, again sheet material is become thin-wall pipes processing method more than 10 through the vacuum hotpressing plastic uptake, what this method was mainly used is two step processing methods, and promptly the first step is to extrude the sheet material that meets thickness and width requirement with extruder earlier; Promptly extruding thickness is 0.05～0.08mm, second step was the ultra-thin water dropper band that becomes many turbulent runners through vacuum forming roller hot pressing plastic uptake, speed of production can reach per minute more than 100m, this invention has changed the former reality that can not produce the following drip irrigation zone of 0.1mm thickness with traditional diamond-making technique, manufacturing schedule improves 5 times than former processing method simultaneously, and its production marketing valency can descend one times.Being widely used in industries such as agricultural, forestry, greening lawn uses.Have good society and economic benefit.
Description of drawings
Fig. 1 is two groups of sheet forming ultra-thin-wall of the present invention drip irrigation zone technological process of production figure;
Fig. 2 is film forming ultra-thin-wall of the present invention drip irrigation zone technological process of production figure.
The specific embodiment
Accompanying drawing is the embodiment of technological process of production figure of the present invention.
Below in conjunction with accompanying drawing content of the present invention is described further:
With reference to shown in Figure 1, the technological process of production is:
A, select raw material according to the material compositions of ultrathin strap of trickle irrigation;
B, take by weighing raw material according to the ratio of the material compositions of ultrathin strap of trickle irrigation;
C, the raw material that take by weighing are carried out drying handle 60 ℃-80 ℃ of its treatment temperatures;
D, the raw material after super-dry is handled are put into low speed mixer and are fully mixed, and the speed 10-20 of mixed on low speed rev/min, its incorporation time is 15-20 minute, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder extrude the sheet material that meets thickness and width requirement, promptly extruding thickness is 0.05～0.08mm, and the temperature in its extruder is 180 ℃-210 ℃;
F, will extruding the sheet material that meets thickness and width requirement, to send into the constant temperature oven oven temperature of heating be 145 ℃-150 ℃, and the speed of sending into is 10 meters of per minutes;
G, send into vacuum plastic-absorbing machine simultaneously through two groups of sheet materials of preheating, the vacuum of vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
H, many drip irrigation zones of cooling and shaping sent into again cut into the ultra-thin tubular drip irrigation zone of wall scroll in the cutting machine, finished product;
I, through ultra-thin tubular drip irrigation zone that above-mentioned steps is made into again by quality inspection, pack, go into Library, outbound, sale.
Another kind of method of making ultrathin strap of trickle irrigation, carry out according to the following steps:
Shown in Figure 2, its technological process is:
A, select raw material according to the material compositions of ultrathin strap of trickle irrigation;
B, take by weighing raw material according to the ratio of the material compositions of ultrathin strap of trickle irrigation;
C, the raw material that take by weighing are carried out drying handle 65 ℃-75 ℃ of its treatment temperatures;
It is 10-20 rev/min that d, the raw material after super-dry is handled are put into its mixing velocity of the abundant mixing of low speed mixer, and incorporation time is 15-20 minute, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder extrude the film that meets thickness requirement, promptly extruding thickness is 0.05～0.08mm, and the temperature in its extruder is 185 ℃-220 ℃;
F, will extrude the film that meets thickness requirement directly send into vacuum plastic-absorbing machine before uncolled, the vacuum of its vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
G, many drip irrigation zones of cooling and shaping sent into again cut into the ultra-thin tubular drip irrigation zone of wall scroll in the cutting machine, finished product;
H, through ultra-thin tubular drip irrigation zone that above-mentioned steps is made into again by quality inspection, pack, go into Library, outbound, sale.
Embodiment 1
A, to select raw material according to the material compositions of ultrathin strap of trickle irrigation be medium density polyethylene, ethene-vinyl acetate copolymer, polyethylene from high pressure process, low-pressure polyethylene ， Tan ?, nano-calcium carbonate;
B, take by weighing the medium density polyethylene that raw material are 50kg according to the ratio of the material compositions of ultrathin strap of trickle irrigation, the ethene-vinyl acetate copolymer of 8kg, the polyethylene from high pressure process of 19kg, the low-pressure polyethylene of 17kg, 3kg De Tan ?, the nano-calcium carbonate of 3kg;
C, the raw material that take by weighing are carried out drying handle 60 ℃ of its treatment temperatures;
D, the raw material after super-dry is handled are put into low speed mixer and are fully mixed, and 10 rev/mins of the speed of mixed on low speed, its incorporation time are 15 minutes, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder extrude the sheet material that meets thickness and width requirement, promptly extruding thickness is 0.05mm, and the temperature in its extruder is 180 ℃;
F, will extruding the sheet material that meets thickness and width requirement, to send into the constant temperature oven oven temperature of heating be 145 ℃, and the speed of sending into is 10 meters of per minutes;
G, send into vacuum plastic-absorbing machine simultaneously through two groups of sheet materials of preheating, the vacuum of vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
H, many drip irrigation zones of cooling and shaping sent into again cut into ultra-thin tubular drip irrigation zone more than at least 10 in the cutting machine, finished product;
I, through ultra-thin tubular drip irrigation zone that above-mentioned steps is made into again by quality inspection, pack, go into Library, outbound, sale.
Embodiment 2
A, to select raw material according to the material compositions of ultrathin strap of trickle irrigation be medium density polyethylene, ethene-vinyl acetate copolymer, polyethylene from high pressure process, low-pressure polyethylene ， Tan ?, nano-calcium carbonate;
B, take by weighing raw material according to the ratio of the material compositions of ultrathin strap of trickle irrigation and be: the medium density polyethylene of pressing the 45kg of mass fraction, the ethene-vinyl acetate copolymer of 7kg, the polyethylene from high pressure process of 20kg, the low-pressure polyethylene of 18kg, 5kg De Tan ?, the nano-calcium carbonate of 5kg;
C, the raw material that take by weighing are carried out drying handle 80 ℃ of its treatment temperatures;
D, the raw material after super-dry is handled are put into low speed mixer and are fully mixed, and 20 rev/mins of the speed of mixed on low speed, incorporation time are 20 minutes, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder extrude the sheet material that meets thickness and width requirement, promptly extruding thickness is 0.06mm, and the temperature in its extruder is 210 ℃;
F, will extruding the sheet material that meets thickness and width requirement, to send into the constant temperature oven oven temperature of heating be 145 ℃, and the speed of sending into is 10 meters of per minutes;
G, send into vacuum plastic-absorbing machine simultaneously through two groups of sheet materials of preheating, the vacuum of vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
H, many drip irrigation zones of cooling and shaping sent into again cut into ultra-thin tubular drip irrigation zone more than at least 10 in the cutting machine, finished product;
I, through ultra-thin tubular drip irrigation zone that above-mentioned steps is made into again by quality inspection, pack, go into Library, outbound, sale.
Embodiment 3
A, to select raw material according to the material compositions of ultrathin strap of trickle irrigation be medium density polyethylene, ethene-vinyl acetate copolymer, polyethylene from high pressure process, low-pressure polyethylene ， Tan ?, nano-calcium carbonate.
B, take by weighing raw material according to the ratio of the material compositions of ultrathin strap of trickle irrigation and be: the medium density polyethylene of pressing the 60kg of mass fraction, the ethene-vinyl acetate copolymer of 6kg, the polyethylene from high pressure process of 15kg, the low-pressure polyethylene of 13kg, 2kg De Tan ?, the nano-calcium carbonate of 4kg;
C, the raw material that take by weighing are carried out drying handle 70 ℃ of its treatment temperatures;
D, the raw material after super-dry is handled are put into low speed mixer and are fully mixed, and 15 rev/mins of the speed of mixed on low speed, incorporation time are 20 minutes, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder extrude the sheet material that meets thickness and width requirement, promptly extruding thickness is 0.07mm, and the temperature in its extruder is 195 ℃;
F, will extruding the sheet material that meets thickness and width requirement, to send into the constant temperature oven oven temperature of heating be 150 ℃, and the speed of sending into is 10 meters of per minutes;
G, send into vacuum plastic-absorbing machine simultaneously through two groups of sheet materials of preheating, the vacuum of vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
H, many drip irrigation zones of cooling and shaping sent into again cut into ultra-thin tubular drip irrigation zone more than at least 10 in the cutting machine, finished product;
I, through ultra-thin tubular drip irrigation zone that above-mentioned steps is made into again by quality inspection, pack, go into Library, outbound, sale.
Embodiment 4
A, to select raw material according to the material compositions of ultrathin strap of trickle irrigation be medium density polyethylene, ethene-vinyl acetate copolymer, polyethylene from high pressure process, low-pressure polyethylene ， Tan ?, nano-calcium carbonate;
B, take by weighing raw material according to the ratio of the material compositions of ultrathin strap of trickle irrigation and be: the medium density polyethylene of pressing the 60kg of mass fraction, the ethene-vinyl acetate copolymer of 6kg, the polyethylene from high pressure process of 15kg, the low-pressure polyethylene of 13kg, 2kg De Tan ?, the nano-calcium carbonate of 4kg;
C, the raw material that take by weighing are carried out drying handle 65 ℃ of its treatment temperatures;
It is 20 rev/mins that d, the raw material after super-dry is handled are put into its mixing velocity of the abundant mixing of low speed mixer, and incorporation time is 18 minutes, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder extrude the film that meets thickness requirement, promptly extruding thickness is 0.08mm, and the temperature in its extruder is 200 ℃;
F, will extrude the film that meets thickness requirement directly send into vacuum plastic-absorbing machine before uncolled, the vacuum of its vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
G, many drip irrigation zones of cooling and shaping sent into again cut into the ultra-thin tubular drip irrigation zone of wall scroll in the cutting machine, finished product;
H, through ultra-thin tubular drip irrigation zone that above-mentioned steps is made into again by quality inspection, pack, go into Library, outbound, sale.
In sum, the method of the ultra-thin tubular drip irrigation zone of making of the present invention has two kinds, its first method is that raw material are made into two groups of sheet materials earlier, and then becomes tubing by two groups of sheet material secondary operations, and this synthetic processing method can be processed simultaneously at least more than 10.Second method is that raw material once just are processed into tubing.
Claims (4)
1, a kind of method of making ultrathin strap of trickle irrigation, carry out according to the following steps:
A, select raw material according to the material compositions of ultrathin strap of trickle irrigation;
B, take by weighing raw material according to the ratio of the material compositions of ultrathin strap of trickle irrigation;
C, the raw material that take by weighing are carried out drying handle 60 ℃-80 ℃ of its treatment temperatures;
D, the raw material after super-dry is handled are put into low speed mixer and are fully mixed, and its mixing velocity is 10-20 rev/min, and incorporation time is 15-20 minute, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder, and to extrude the sheet material that meets thickness and width requirement stand-by, and promptly extruding thickness is 0.05～0.08mm, and the temperature in its extruder is 180 ℃-210 ℃;
F, will extrude two groups of sheet materials that meet thickness and width requirement and divide up and down the two-layer constant temperature oven of sending into to heat, oven temperature is 145 ℃-150 ℃, and the speed of sending into is 10 meters of per minutes;
G, send into vacuum plastic-absorbing machine simultaneously through two groups of sheet materials of preheating, the vacuum of its vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
H, many drip irrigation zones of cooling and shaping sent into again cut into the ultra-thin tubular drip irrigation zone of wall scroll in the cutting machine, finished product;
I, the ultrathin strap of trickle irrigation that is made into through above-mentioned steps again by quality inspection, pack, go into Library, outbound, sale.
2, a kind of method of making ultrathin strap of trickle irrigation according to claim 1 is characterized in that said dry treatment temperature is 65 ℃-75 ℃.
3, a kind of method of making ultrathin strap of trickle irrigation according to claim 1 is characterized in that the temperature in the said extruder is 190 ℃-200 ℃.
4, a kind of method of making ultrathin strap of trickle irrigation, carry out according to the following steps:
A, select raw material according to the material compositions of ultrathin strap of trickle irrigation;
B, take by weighing raw material according to the ratio of the material compositions of ultrathin strap of trickle irrigation;
C, the raw material that take by weighing are carried out drying handle 60 ℃-80 ℃ of its treatment temperatures;
It is 10-20 rev/min that d, the raw material after super-dry is handled are put into its mixing velocity of the abundant mixing of low speed mixer, and incorporation time is 15-20 minute, and it is stand-by that mixed raw material are put into container;
E, stand-by raw material are put into extruder extrude the film that meets thickness and width requirement; Promptly extruding thickness is 0.05～0.08mm, and the temperature in its extruder is 185 ℃-220 ℃;
F, will extrude the film that meets thickness requirement directly send into vacuum plastic-absorbing machine before uncolled, the vacuum of its vacuum plastic-absorbing machine is 200mmHg, becomes the tubular drip irrigation zone of many turbulent runners, cooling and shaping through vacuum forming roller hot pressing plastic uptake;
G, many drip irrigation zones of cooling and shaping sent into again cut into the ultra-thin tubular drip irrigation zone of wall scroll in the cutting machine, finished product;
H, through ultra-thin tubular drip irrigation zone that above-mentioned steps is made into again by quality inspection, pack, go into Library, outbound, sale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100426999A CN1317119C (en) | 2005-05-23 | 2005-05-23 | Method for producing ultrathin strap of trickle irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100426999A CN1317119C (en) | 2005-05-23 | 2005-05-23 | Method for producing ultrathin strap of trickle irrigation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1695934A CN1695934A (en) | 2005-11-16 |
| CN1317119C true CN1317119C (en) | 2007-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100426999A Expired - Fee Related CN1317119C (en) | 2005-05-23 | 2005-05-23 | Method for producing ultrathin strap of trickle irrigation |
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| CN (1) | CN1317119C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205659A (en) * | 2011-05-10 | 2011-10-05 | 浙江洁美电子科技有限公司 | Process for producing insulation type electronic component carrying tape |
| CN102285130A (en) * | 2011-05-10 | 2011-12-21 | 浙江洁美电子科技有限公司 | Manufacturing process for conductive carrying belt of electronic element |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218822B (en) * | 2011-05-05 | 2013-06-12 | 中国科学院遗传与发育生物学研究所 | Processing method and device of extrusion vacuum and heat seal drip irrigation belts |
| CN102896143B (en) * | 2012-10-11 | 2013-11-20 | 吉林省电力有限公司电力科学研究院 | Electric surfactant combined repair contaminated soil experimental device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5753328A (en) * | 1980-09-17 | 1982-03-30 | Toyota Motor Corp | Manufacture of tube for synthetic resin piping |
| JPH0768622A (en) * | 1993-09-07 | 1995-03-14 | C I Kasei Co Ltd | Production of lining pipe and production device therefor |
| CN1181308A (en) * | 1997-03-25 | 1998-05-13 | 河南鹏源塑料制品有限公司 | Prodn. tech. and equipment for producing water pipe for microporous infiltrating irrigation and drip irrigation |
| CN1411695A (en) * | 2002-12-11 | 2003-04-23 | 河北国农节水工程有限公司 | Labyrinth drip irrigation pipe (band), production method and equipment |
-
2005
- 2005-05-23 CN CNB2005100426999A patent/CN1317119C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5753328A (en) * | 1980-09-17 | 1982-03-30 | Toyota Motor Corp | Manufacture of tube for synthetic resin piping |
| JPH0768622A (en) * | 1993-09-07 | 1995-03-14 | C I Kasei Co Ltd | Production of lining pipe and production device therefor |
| CN1181308A (en) * | 1997-03-25 | 1998-05-13 | 河南鹏源塑料制品有限公司 | Prodn. tech. and equipment for producing water pipe for microporous infiltrating irrigation and drip irrigation |
| CN1411695A (en) * | 2002-12-11 | 2003-04-23 | 河北国农节水工程有限公司 | Labyrinth drip irrigation pipe (band), production method and equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205659A (en) * | 2011-05-10 | 2011-10-05 | 浙江洁美电子科技有限公司 | Process for producing insulation type electronic component carrying tape |
| CN102285130A (en) * | 2011-05-10 | 2011-12-21 | 浙江洁美电子科技有限公司 | Manufacturing process for conductive carrying belt of electronic element |
| WO2012152114A1 (en) * | 2011-05-10 | 2012-11-15 | 浙江洁美电子科技有限公司 | Manufacturing process for conductive carrying belt of electronic element |
| CN102285130B (en) * | 2011-05-10 | 2014-05-07 | 浙江洁美电子科技股份有限公司 | Manufacturing process for conductive carrying belt of electronic element |
| CN102205659B (en) * | 2011-05-10 | 2014-05-07 | 浙江洁美电子科技股份有限公司 | Process for producing insulation type electronic component carrying tape |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1695934A (en) | 2005-11-16 |
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