CN101838579B - Special aluminum wire drawing oil used for aluminum wires and production method thereof - Google Patents
Special aluminum wire drawing oil used for aluminum wires and production method thereof Download PDFInfo
- Publication number
- CN101838579B CN101838579B CN 201010142505 CN201010142505A CN101838579B CN 101838579 B CN101838579 B CN 101838579B CN 201010142505 CN201010142505 CN 201010142505 CN 201010142505 A CN201010142505 A CN 201010142505A CN 101838579 B CN101838579 B CN 101838579B
- Authority
- CN
- China
- Prior art keywords
- oil
- fatty acid
- aluminum wire
- parts
- special
- 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.)
- Active
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000005491 wire drawing Methods 0.000 title abstract description 17
- 239000003921 oil Substances 0.000 claims abstract description 31
- 239000002199 base oil Substances 0.000 claims abstract description 27
- 239000000654 additive Substances 0.000 claims abstract description 24
- 230000000996 additive effect Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 65
- -1 fatty acid ester Chemical class 0.000 claims description 30
- 235000019198 oils Nutrition 0.000 claims description 27
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 21
- 229930195729 fatty acid Natural products 0.000 claims description 21
- 239000000194 fatty acid Substances 0.000 claims description 21
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 18
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 16
- 239000008158 vegetable oil Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 239000003112 inhibitor Substances 0.000 claims description 10
- LQZZUXJYWNFBMV-UHFFFAOYSA-N ethyl butylhexanol Natural products CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 9
- 235000019387 fatty acid methyl ester Nutrition 0.000 claims description 9
- 150000004665 fatty acids Chemical class 0.000 claims description 9
- 229920005862 polyol Polymers 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 8
- 239000013530 defoamer Substances 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 3
- 238000000137 annealing Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The invention discloses special drawing oil used for aluminum wires and a production method thereof. The wire drawing oil comprises the following components in parts by weight: 800-962 parts of base oil and 38-200 parts of additive. The method comprises the following steps: (1) placing the base oil into a reactor for 2 hours at constant temperature of 120 DEG C; and (2) cooling the base oil to 40-60 DEG C, adding additive in proportion; stirring and mixing for 2 hours. The special aluminum wire drawing oil has good lubricating property, strong clean ability, strong aluminum powder sedimentation ability, and low requirement to the clean device, and is environmental friendly; in addition, residual lubricating oil on the aluminum wire prepared by the aluminum wire drawing oil of the invention can be cleared off through simple washing, and when the annealing temperature of more than 360 DEG C.
Description
Technical field
The present invention relates to coiling group field, specifically, refer to a kind of lubricating oil and production method thereof of aluminum steel wire drawing special use.
Background technology
Along with the lasting of copper valency risen, swift and violent as the substitute aluminium enamel-covered wire development of copper enameled wire.In the aluminum steel drawing process, the zone of oxidation on aluminium surface is destroyed in wire-drawing die, if make use wire drawing oil, although there is inhibitor to exist, but the aluminum steel surface still can form aluminum oxide and aluminium hydroxide again, destroyed again in lower one drawing process, form more aluminium powder, be unfavorable for the processing of aluminium.And oiliness wire drawing oil can be with aluminium and air insulated, reduce oxidation and the aquation of aluminium, but the clean-up performance of oiliness wire drawing oil is relevant with wire drawing oil viscosity and additive with isolation performance, selects improperly, causes cleaning effect or lubricant effect or isolation effect bad.Oiliness wire drawing oil combined lubrication performance, the good stability of some reputable brand wire drawing oil manufacturers manufacturings both at home and abroad, but oil viscosity is large, cleaning effect is bad, and aluminium powder is difficult for precipitation.Existing Chinese patent application CN200810194863.1, it discloses a kind of low viscous aluminum wire drawing oil combination, be conducive to the cleaning of the precipitation of aluminium powder and wire-drawing frame, aluminium conductor, but environment friendly is poor.Another Chinese patent application: CN200810199127.5, it is to disclose a kind of environmentally friendly low viscosity aluminum wire drawing oil combination.But, to compare with the product of professional manufacturers, the combination of two kinds of low viscosity wire drawing oil exists oilness to hang down and the large problem of course of processing mist of oil equally.The bare aluminium wire cleaning surfaces difficulty that above several lubricating oil combination draws is large, requires high to cleaning device.
Summary of the invention
The object of the present invention is to provide the good and eco-friendly drawing oil special for aluminum wire of a kind of oilness.
Another object of the present invention is to provide a kind of method of producing drawing oil special for aluminum wire.
For achieving the above object, the present invention adopts following technical scheme:
A kind of drawing oil special for aluminum wire, it is comprised of base oil and additive, and each component concentration is respectively according to mass fraction: base oil 800-962 part, additive 38-200 part.
Above-mentioned base oil is that each component concentration is respectively according to mass fraction by fatty acid ester, mixed vegetable oil, polyol ester compositions of mixtures: fatty acid ester 412-600 part, mixed vegetable oil 150-400 part, polyol ester mixture 50-150 part.
Preferably, above-mentioned fatty acid ester is fatty acid methyl ester.
The boiling range of above-mentioned fatty acid methyl ester is 250-360 ℃, and preferred boiling range is 300-360 ℃, and in the time of most preferably, its boiling range is 300-350 ℃.
Acid number≤the 1mgKOH/g of above-mentioned mixed vegetable oil, preferably, its acid number≤0.4 (mgKOH/g).
Above-mentioned additive is by O, O-two-(dodecanol polyoxyethylene groups ether) thiophosphatephosphorothioate, defoamer, nano aluminium oxide, oxidation inhibitor and fatty acid amide form, each component concentration is respectively according to mass fraction: O, O-two-(dodecanol polyoxyethylene groups ether) thiophosphatephosphorothioate 10-50 part, defoamer 3-20 part, nano aluminium oxide 10-50 part, oxidation inhibitor 5-30 part, the fatty acid amide ratio is 10-50 part.
Above-mentioned nano aluminium oxide is the α nano aluminium oxide, its diameter＜500mm.When it is preferred, the particle diameter＜200nm of nano aluminium oxide, the diameter＜100nm of nano aluminium oxide in the time of most preferably.
A kind of method of making above-mentioned drawing oil special for aluminum wire, the method may further comprise the steps:
(1) base oil is placed reactor, 120 ℃ of lower constant temperature 2 hours;
(2) base oil is cooled to 40-60 ℃, add in proportion additive, stir, mixed 2 hours.
After adopting said structure, this drawing oil special for aluminum wire, its lubricity is good, cleaning capacity strong, aluminium powder precipitation ability is strong,, environmental friendliness less demanding to washing unit.In addition, the sharp aluminum steel that uses aluminum wire drawing oil combination of the present invention to make, through simply washing, remaining lubricating oil can remove during annealing temperature more than 360 ℃ clean.
Embodiment
Embodiment one:
The invention discloses a kind of drawing oil special for aluminum wire, it is comprised of base oil and additive, wherein:
In the present embodiment, 800 parts of base oils, 200 parts of additives.
Base oil is by fatty acid ester, mixed vegetable oil and polyol ester compositions of mixtures; Each component concentration is respectively according to mass fraction: 412 parts of fatty acid esters, 150 parts of mixed vegetable oils, 150 parts in polyol ester mixture.Wherein:
Fatty acid ester is fatty acid methyl ester, and the boiling range of this fatty acid methyl ester is 250 ℃; The mixed vegetable oil preferred acid number is 1.0mgKOH/g.
Additive is by O, O-two-(dodecanol polyoxyethylene groups ether) thiophosphatephosphorothioate, defoamer, nano aluminium oxide, oxidation inhibitor and fatty acid amide form, each component concentration is respectively according to mass fraction: O, 10 parts of O-two-(dodecanol polyoxyethylene groups ether) thiophosphatephosphorothioate, 3 parts of defoamers, 50 parts of nano aluminium oxides, 30 parts in oxidation inhibitor, the fatty acid amide ratio is 50 parts.Nano aluminium oxide is the α nano aluminium oxide, and its diameter is 100mm.
The invention also discloses the method for the drawing oil special for aluminum wire of a kind of embodiment of manufacturing one, the method may further comprise the steps:
(1) above-mentioned base oil is placed reactor, 120 ℃ of lower constant temperature 2 hours;
(2) base oil is cooled to 40-60 ℃, add in proportion additive, stir, mixed 2 hours.
Embodiment two:
Compare with embodiment one, difference is:
The mass fraction of base oil and additive is respectively: 962 parts of base oils, 38 parts of additives.
Each component concentration of base oil is respectively according to mass fraction: 600 parts of fatty acid esters, 400 parts of mixed vegetable oils, 50 parts in polyol ester mixture.
The boiling range of fatty acid methyl ester wherein is 360 ℃.The acid number of mixed vegetable oil is 0.4mgKOH/g.
Each component concentration of additive is respectively according to mass fraction: O, and 50 parts of O-two-(dodecanol polyoxyethylene groups ether) thiophosphatephosphorothioate, 20 parts of defoamers, 10 parts of nano aluminium oxides, 5 parts in oxidation inhibitor, the fatty acid amide ratio is 10 parts.Nano aluminium oxide is the α nano aluminium oxide, and its diameter is 60mm.
Embodiment three:
Compare with embodiment one, difference is:
The mass fraction of base oil and additive is respectively: 800 parts of base oils, 200 parts of additives.
Each component concentration of base oil is respectively according to mass fraction: 500 parts of fatty acid esters, 300 parts of mixed vegetable oils, 100 parts in polyol ester mixture.
The boiling range of fatty acid methyl ester wherein is 300 ℃.The acid number of mixed vegetable oil is 0.3mgKOH/g.
Each component concentration of additive is respectively according to mass fraction: O, and 40 parts of O-two-(dodecanol polyoxyethylene groups ether) thiophosphatephosphorothioate, 15 parts of defoamers, 28 parts of nano aluminium oxides, 20 parts in oxidation inhibitor, the fatty acid amide ratio is 40 parts.Nano aluminium oxide is the α nano aluminium oxide, and its diameter is 200mm.
Embodiment four:
Compare with embodiment one, difference is:
The mass fraction of base oil and additive is respectively: 600 parts of base oils, 400 parts of additives.
Each component concentration of base oil is respectively according to mass fraction: 450 parts of fatty acid esters, 280 parts of mixed vegetable oils, 120 parts in polyol ester mixture.
The boiling range of fatty acid methyl ester wherein is 350 ℃.The acid number of mixed vegetable oil is 0.2mgKOH/g.
Each component concentration of additive is respectively according to mass fraction: O, and 35 parts of O-two-(dodecanol polyoxyethylene groups ether) thiophosphatephosphorothioate, 10 parts of defoamers, 35 parts of nano aluminium oxides, 18 parts in oxidation inhibitor, the fatty acid amide ratio is 38 parts.Nano aluminium oxide is the α nano aluminium oxide, and its diameter is 80mm.
Although described the present invention by this embodiment, those of ordinary skills know, surface patterns of the present invention and size have many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (7)
1. drawing oil special for aluminum wire, it is characterized in that: it is comprised of base oil and additive, and each component concentration is respectively according to mass fraction: base oil 800-962 part, additive 38-200 part;
Wherein, described base oil is that each component concentration is respectively according to mass fraction by fatty acid ester, mixed vegetable oil, polyol ester compositions of mixtures: fatty acid ester 412-600 part, mixed vegetable oil 150-400 part, polyol ester mixture 50-150 part;
Described additive is by O, O-two-(dodecanol polyoxyethylene groups ether) thiophosphatephosphorothioate, defoamer, nano aluminium oxide, oxidation inhibitor and fatty acid amide form, each component concentration is respectively according to mass fraction: O, O-two-(dodecanol polyoxyethylene groups ether) thiophosphatephosphorothioate 10-50 part, defoamer 3-20 part, nano aluminium oxide 10-50 part, oxidation inhibitor 5-30 part, the fatty acid amide ratio is 10-50 part.
2. drawing oil special for aluminum wire according to claim 1, it is characterized in that: described fatty acid ester is fatty acid methyl ester.
3. drawing oil special for aluminum wire according to claim 2, it is characterized in that: the boiling range of described fatty acid methyl ester is 250-360 ℃.
4. drawing oil special for aluminum wire according to claim 1 is characterized in that: the acid number≤1mgKOH/g of described mixed vegetable oil.
5. drawing oil special for aluminum wire according to claim 1 is characterized in that: the acid number≤0.4mgKOH/g of described mixed vegetable oil.
6. arbitrary described drawing oil special for aluminum wire according to claim 1-5, it is characterized in that: described nano aluminium oxide is the α nano aluminium oxide, its diameter＜500mm.
7. method of making the arbitrary described drawing oil special for aluminum wire of claim 1-6, it is characterized in that: the method may further comprise the steps:
(1) base oil is placed reactor, 120 ℃ of lower constant temperature 2 hours;
(2) base oil is cooled to 40-60 ℃, add in proportion additive, stir, mixed 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010142505 CN101838579B (en) | 2010-03-31 | 2010-03-31 | Special aluminum wire drawing oil used for aluminum wires and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010142505 CN101838579B (en) | 2010-03-31 | 2010-03-31 | Special aluminum wire drawing oil used for aluminum wires and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101838579A CN101838579A (en) | 2010-09-22 |
| CN101838579B true CN101838579B (en) | 2013-04-24 |
Family
ID=42742256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010142505 Active CN101838579B (en) | 2010-03-31 | 2010-03-31 | Special aluminum wire drawing oil used for aluminum wires and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101838579B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992856B (en) * | 2014-04-25 | 2016-05-11 | 蚌埠市时代电子有限公司 | The anti-oxidant efficient wire drawing oil of a kind of spacetabs type |
| CN103992868A (en) * | 2014-04-25 | 2014-08-20 | 蚌埠市正园电子科技有限公司 | High temperature resistant high speed wire drawing oil |
| CN103992862B (en) * | 2014-04-25 | 2016-04-13 | 蚌埠市正园电子科技有限公司 | A kind of oil of the wire drawing containing Yelkin TTS |
| CN103992867B (en) * | 2014-04-25 | 2016-05-18 | 蚌埠市正园电子科技有限公司 | A kind of anti-oxidant wire drawing oil containing origanum oil |
| CN105038922A (en) * | 2015-06-25 | 2015-11-11 | 张勤洪 | Drawing fluid for aluminum material |
| CN111180136B (en) * | 2019-12-07 | 2021-11-09 | 安徽瑞之星电缆集团有限公司 | Flexible stranded conductor manufacturing process and stranded conductor |
| CN112852529A (en) * | 2021-01-25 | 2021-05-28 | 广西平果博导铝镁线缆有限公司 | Formula of wire drawing oil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386804A (en) * | 2008-10-11 | 2009-03-18 | 佛山市威奇电工材料有限公司 | Drawing oil special for aluminum wire and production process thereof |
| CN101397519A (en) * | 2008-10-21 | 2009-04-01 | 无锡华能电缆有限公司 | Drawing oil special for annealed aluminum wire and method for producing the same |
| CN101671598A (en) * | 2009-09-24 | 2010-03-17 | 无锡巨丰复合线有限公司 | Aluminum wire drawing lubricant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009148110A1 (en) * | 2008-06-04 | 2009-12-10 | 三井化学株式会社 | Lubricating oil composition and use of same |
-
2010
- 2010-03-31 CN CN 201010142505 patent/CN101838579B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386804A (en) * | 2008-10-11 | 2009-03-18 | 佛山市威奇电工材料有限公司 | Drawing oil special for aluminum wire and production process thereof |
| CN101397519A (en) * | 2008-10-21 | 2009-04-01 | 无锡华能电缆有限公司 | Drawing oil special for annealed aluminum wire and method for producing the same |
| CN101671598A (en) * | 2009-09-24 | 2010-03-17 | 无锡巨丰复合线有限公司 | Aluminum wire drawing lubricant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101838579A (en) | 2010-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101838579B (en) | Special aluminum wire drawing oil used for aluminum wires and production method thereof | |
| CN100523154C (en) | Composition of cold rolling sheet rolling oil | |
| WO2011037778A1 (en) | Estolide compositions having excellent low temperature properties | |
| CN105176650A (en) | Screw air compressor oil composition and preparation method thereof | |
| CN104263481A (en) | Air compressor oil and preparation method thereof | |
| ES2897503T3 (en) | Procedure for preparing a complex calcium sulfonate grease | |
| JP5675635B2 (en) | Gear oil additive | |
| CN102021069A (en) | Lithium-based low-noise lubricating grease composition and preparation method thereof | |
| US11807826B2 (en) | Lubricating base oils from esterified alkoxylated polyols using saturated long-chain fatty acids | |
| CN101386804A (en) | Drawing oil special for aluminum wire and production process thereof | |
| CN108130172A (en) | A kind of biodegradable environment-protective lubricant oil and preparation method thereof | |
| CN102994202A (en) | Cold-strip steel rolling oil compound and preparation method thereof | |
| US20230323231A1 (en) | Biodegradable lubricant with tailored hydrolytic stability and improved thermal stability through alkoxylation of glycerol | |
| CN1869177A (en) | Refrigeration lubricant composition | |
| CN104342247A (en) | Oil composition for copper foil rolling and uses thereof | |
| CN106978236A (en) | A kind of base oil compounding high temperature complex lithium grease and preparation method thereof | |
| CN114752426B (en) | Composite calcium sulfonate-based lubricating grease and preparation method thereof | |
| CN114381319B (en) | Emulsified oil for copper and copper alloy wire drawing and preparation method thereof | |
| CN107573981B (en) | Complex ester and preparation method thereof | |
| NO325041B1 (en) | Hydraulic fluid mixtures | |
| JP2013173842A (en) | Lubricant composition for plastic working | |
| CN1810942A (en) | Biodegradable lubricant oil with excellent low temperature flowability | |
| JP5988376B2 (en) | Grease composition and bearing for main motor bearings of railway vehicles | |
| JP2010215767A (en) | Grease base oil | |
| JP2001003070A (en) | Grease composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: YICHUN SHENGDAWEI ELECTRICIAN MATERIAL CO., LTD. Free format text: FORMER OWNER: JIANGXI SHENGDAWEI ELECTRIC MATERIALS CO., LTD. Effective date: 20120111 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 334100 SHANGRAO, JIANGXI PROVINCE TO: 336023 YICHUN, JIANGXI PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20120111 Address after: 336023 Yichun Economic Development Zone, Jiangxi Applicant after: Yichun Shengdawei Electrician Material Co., Ltd. Address before: 334100 Shangrao City, Jiangxi Province Economic and Technological Development Zone Industrial Road Applicant before: Jiangxi Shengdawei Electric Materials Co., Ltd. |
|
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 336023 Yichun Economic Development Zone, Jiangxi Applicant after: Yichun Deyuan Xinmao Aluminum Industry Co., Ltd. Address before: 336023 Yichun Economic Development Zone, Jiangxi Applicant before: Yichun Shengdawei Electrician Material Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: YICHUN SHENGDAWEI ELECTRICAL MATERIAL CO., LTD. TO: YICHUN DEYUAN XINMAO ALUMINUM CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171116 Address after: 336000 Yichun Economic Development Zone, Jiangxi Patentee after: Yichun city boanza Industrial Co. Ltd. Address before: 336023 Yichun Economic Development Zone, Jiangxi Patentee before: Yichun Deyuan Xinmao Aluminum Industry Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181211 Address after: 211700 No. 1-1 Huaishui Road, Xuyi County Economic Development Zone, Huaian City, Jiangsu Province Patentee after: Jiangsu Zhonghui Electrical Materials Co., Ltd. Address before: 336000 Yichun Economic Development Zone, Jiangxi Province Patentee before: Yichun city boanza Industrial Co. Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Special drawing oil for aluminum wire and its production method Effective date of registration: 20201222 Granted publication date: 20130424 Pledgee: Bank of China Limited Xuyi sub branch Pledgor: Jiangsu Zhonghui Electrical Materials Co.,Ltd. Registration number: Y2020980009665 |