CN102173574B - Bushing and method for preparing electronic spun yarns - Google Patents
Bushing and method for preparing electronic spun yarns Download PDFInfo
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- CN102173574B CN102173574B CN2011100078110A CN201110007811A CN102173574B CN 102173574 B CN102173574 B CN 102173574B CN 2011100078110 A CN2011100078110 A CN 2011100078110A CN 201110007811 A CN201110007811 A CN 201110007811A CN 102173574 B CN102173574 B CN 102173574B
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention relates to a bushing for preparing electronic spun yarns, which is characterized in that a base plate adopts a novel discharge spout distribution scheme, thereby ensuring that the quality of products is not reduced and greatly improving the production efficiency. In the invention, the bottom of the bushing is divided into 12 regions which are identical in the aspects of size, shape and distribution mode, wherein a rounded parallelogram composed of 100 uniformly distributed discharge spouts (i.e. a parallelogram composed of discharge spouts in 9 columns and 12 rows excluding 8 discharge spouts at 4 corners) is formed in each region. Compared with the 13-column and 16-row discharge spout rounded matrix of a 800-nozzle bushing, the novel bushing provided by the invention is more symmetrical, so that glass fibers can be distributed more uniformly in the subsequent process, thereby ensuring the product quality and improving the product yield. The invention also correspondingly improves the subsequent production process of the bushing.
Description
Technical field
The present invention relates to glass fiber wire-drawing with bushing and use the preparation method of this bushing, particularly prepare the bushing of electronic-grade spun yarn and use the electronic-grade spun yarn preparation method of this bushing.
Background technology
Ultra fine yarn D450 is the target of first developing as each glass company as one of technology content in the spun yarn product and added value high product always.Be mainly used in weaving electronics cloth, also can be used for producing industrial class purposes such as voluminous yarn and twist yarn.Its characteristics comprise: added the starchiness treating compound; The precursor linear density is stable; The fiber coherent is good, soft appropriateness, and wear resistance is good, and wool yarn is little; Monofilament is powerful high.
The common manufacture method of glass fibre is to discharge the multi beam melten glass from the heating bushing, coats treating compound with sending into coating machine behind this glass strands drawing fiber to fiber, then on buncher with the integrated precursor of fiber and at head coiled glass fiber packages.
Bushing at glass industry production electronics spun yarn adopts the high-temperature refractory integral cast to install more at present, mostly is 800 holes, 1200 holes, 1600 hole bushing productions.For example ultra fine yarn D450 mostly is 800 hole bushings.This type of bushing is the grooved bushing of platinum rhodium, and general platinum accounts for 95%, and rhodium accounts for 5%, to improve its high temperature creep-resisting performance.Arranging of 800 hole bushings is divided into 4 groups usually, every group is 13 row, 16 row matrixs and removes four angles totally 8 fillet matrixes of leting slip a remark and forming, once full 4 of spinning cake numbers, the drawing wire machine speed control is at 3000～4000rpm/min, and monolithic bushing moon finished product output is about 5～10t.
Because 800 hole bushing production efficiencys are low, the economic benefit that electronics spun yarns such as ultra fine yarn D450 should possess does not display, and its production efficiency remains further to be improved.Practice is found, the simple quantity that increases the bushing hole, can cause in subsequent technique inhomogeneous such as wire-drawing operation difficulty, single fiber diameter, devitrification of glass, wool yarn, broken yarn etc. reduce the problem of spun yarn quality quality, not only can't enhance productivity, and have reduced quality product on the contrary.
Summary of the invention
The present invention is directed to the lower present situation of traditional 800 hole bushing electronic-grade spun yarn production efficiencys, developed the new bushing that is mainly used in the D450 spun yarn, and the arrangement mode of leting slip a remark on bushing designed, when guaranteeing that quality product does not descend, production efficiency increases considerably.The present invention has also carried out corresponding improvement to the subsequent technique of bushing production simultaneously.
A kind of bushing for the preparation of the electronic-grade spun yarn, be bathtub construction, described flute profile is by two blocks of horizontal side plates, two blocks of vertical side plates, base plate constitutes, it is identical that described base plate is provided with some sizes, equally distributed leting slip a remark, described leting slip a remark passes the protruding and center of described base plate a hole arranged, it is characterized in that, the mode of the fillet parallelogram arrays formed with 9 row 12 row of leting slip a remark on the described base plate is arranged, and described fillet parallelogram array refers to that the described parallelogram array formed of leting slip a remark removes the formed array of leting slip a remark of equal amts on four angles or different quantities respectively.
Described fillet parallelogram array is divided into M array and two kinds of arrays of N array, and described M array is that 2 formed 100 fillet parallelogram arrays of leting slip a remark that have of leting slip a remark are respectively removed at let slip a remark four angles of 9 row, the 12 row fillet parallelogram arrays formed; Described N array is that let slip a remark two angles on same one side of 9 row, the 12 row fillet parallelogram arrays formed are respectively removed 3 and let slip a remark and 1 formed 100 fillet parallelogram array of leting slip a remark that have of leting slip a remark is respectively removed at two angles of the opposite side on described limit; Described leting slip a remark according to the combination of described M array, or the combination of described N array, or being combined on the described base plate of described M array and described N array arranged.
Described fillet parallelogram array is the fillet matrix.Divide 6 of the every rows of two rows on the described base plate, parallelly be distributed with 12 arrays.
Described length of leting slip a remark is 3～7mm, and described base plate thickness is 1～2mm, and described leting slip a remark is the equal diameter circular tube structure of internal diameter 1～1.5mm.
A kind of preparation method of electronic-grade spun yarn comprises the steps:
1) high temp glass liquid is by above-mentioned bushing;
2) will force cooling at water cooler by the high temp glass liquid of above-mentioned bushing, and make the temperature of glass metal reach second-order transition temperature, viscosity reaches vitrifying viscosity;
3) glass metal reaches vitrifying viscosity by water cooler becomes glass yarn, and described glass yarn carries out the treating compound coating by baster, makes its coating treated starch type treating compound;
4) above-mentioned glass yarn is passed through buncher; Described buncher is divided into buncher and following buncher, and described glass yarn is carried out boundling;
5) above-mentioned glass yarn is carried out the spinning cake moulding process, make the spinning cake yarn;
6) above-mentioned spinning cake yarn is carried out twisting technique.
Described cooling system is made up of 10 cooling fins, and the length of cooling fin and described bushing width are complementary, and cooling body length and described bushing length are complementary.
Described baster is that the treating compound coating is carried out to described glass yarn in left side, centre, three basters in right side, described left side, centre, three basters in right side apply two synnema bundles respectively, i.e. two spinning cake yarns, apply 6 spinning cake yarns altogether, described baster device all uses the rubber ring transmission to carry out the treating compound coating.
The described buncher of going up comprises three the gathering roll devices in left side, centre, right side of working simultaneously, and described left side, centre, right side gathering roll be while boundling two synnema bundles respectively, altogether to 6 rhizoid Shu Jinhang while boundling.
Described buncher down is 6 independent gathering rolls, can be respectively to described 6 synnema Shu Jinhang boundlings during production.
Technique effect of the present invention:
Bushing arrangement mode of the present invention adopted 9 row 12 row let slip a remark four angles of parallelogram of forming remove respectively 1 to 3 amount to 8 let slip a remark have 100 fillet parallelogram arrangement modes of leting slip a remark, removing 8 200 fillet matrixes of leting slip a remark that are all of leting slip a remark at four angles with the matrix of leting slip a remark of 13 row 16 row of 800 hole bushings compares more symmetrical, reduced because the quantity of leting slip a remark rolls up pooling capital such as tow of causing in subsequent technique, the tow wearing and tearing, wool yarn, broken yarns etc. reduce the problem of spun yarn quality quality, so that it is more even that glass yarn is distributed, effectively avoided tow plying in the follow-up boundling process, tow wear problems in the drawing process, when guaranteeing quality product, increased product yield.
Further scheme of the present invention is defined as round rectangle with the fillet parallelogram, makes that its distribution is more symmetrical, can better guarantee product quality.
On the above-mentioned arrangement mode basis of leting slip a remark, further scheme of the present invention expands to 1200 holes, 12 zones with bushing by traditional 800 holes, 4 zones, can improve productive rate greatly.Studies have shown that with respect to 800 hole bushings, 1200 hole bushing technology of the present invention are 1.5 times of 800 hole bushings guaranteeing significantly to have improved production efficiency on the basis that quality product does not descend.
The further scheme of the present invention has been carried out adaptation to cooling system.Cooling fin and cooling body length will cooperate width and the length of bushing respectively, both can guarantee the homogeneity of different zones glass yarn cooling, can prevent undercooling again, avoid the detrimentally affect to subsequent technique.
The further scheme of the present invention has been carried out adaptation to baster, use three basters in left, center, right that glass yarn is carried out the treating compound coating, can make the glass yarn corresponding to 6 different bushings zones have identical treating compound coating concentration, with be subjected to identical coating power, avoid applying wool yarn, the broken yarn phenomenon of the different follow-up drawing process that cause with coating power of quality discrepancy that the concentration difference causes.
The further scheme of the present invention has been carried out adaptation to last buncher, last buncher adopts three the gathering roll devices in left, center, right simultaneously, respectively to the two synnema Shu Jinhang boundlings on left side, centre, right side, make the parallel descending glass yarn of six bundles stressed even when boundling, avoided the tow of different zones to descend because of the different qualities that cause with pulling force of tow plying that tension degree difference causes.
The further scheme of the present invention has been carried out adaptation to following buncher, and following buncher to above-mentioned 6 synnema Shu Jinhang boundlings, also is in order to make the tow stressing conditions identical, to have identical quality to guarantee each 6 spinning cake yarns producing with 6 independent gathering rolls.
The preparation technology of electronic-grade spun yarn is one needs the collaborative technological process of multistep, and any step that changes wherein all can exert an influence to whole technological process, and then influences the quality of product.Therefore how guaranteeing that other step does not reduce product quality and standard a part of step wherein being carried out the improved while, is the major issue that will consider in the glass fibre production.The present invention is by improving the arrangement mode of leting slip a remark of bushing, and when having solved the problem that the electronic-grade spun yarn yields poorly, processing steps such as aid in improved cooling system, baster, buncher have guaranteed the quality of product.
Description of drawings
Fig. 1 a is the layout drawing of bushing of the present invention.
Fig. 1 b is the M zone among Fig. 1 a.
Fig. 1 c is the structure of leting slip a remark of bushing of the present invention.
Fig. 2 is drawing process schema of the present invention.
Fig. 3 is the vertical view of bushing water cooler of the present invention.
Each mark lists as follows in the accompanying drawing:
The 2a-bushing is discharged glass yarn, 2b-cooling body and spray cooling, 2c-oiling, the last boundling of 2d-, boundling under the 2e-, 2f-tow winding displacement, 2g-spinning cake moulding and twisting thread; 3a-cooling fin group, 3b-cooling body, 3c-cooling soft water entrance; 3d cooling soft water outlet.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further.
Fig. 1 a is the layout drawing of bushing of the present invention.As seen from the figure, bushing is the individual layer bushing of thickness 1.7mm, can stop because the distortion that bushing upper and lower surface temperature difference causes.Bushing is equally divided into size, shape, identical 12 districts of distribution, leting slip a remark of each district all is arranged in the fillet matrix of 9 row, 12 row, be each district be 9 row 12 row let slip a remark the matrixes formed remove four angles totally 8 let slip a remark have 100 fillet matrixes of leting slip a remark, therefore, 12 districts have 1200 and let slip a remark.It may occur to persons skilled in the art that described the arranging on described bushing of leting slip a remark can be the arrangement mode of the fillet parallelogram of certain form; be respectively the fillet parallelogram of 45 ° and 135 ° such as interior angle, so the arrangement mode of fillet parallelogram also should be within protection scope of the present invention.
Fig. 1 b is the M zone among Fig. 1 a, has shown the arrangement mode of leting slip a remark.As seen from the figure, identical the leting slip a remark of size becomes matrix in local arrangements.Line space is 3.8mm in this example, and column pitch is 6.8mm.The size of spacing that Certainly and column pitch can be rearranged according to the needs of arranging of bushing.
Fig. 1 c is each structure of leting slip a remark.As seen from the figure, leting slip a remark is that traditional equal diameter circular tube structure, its processing mode are to adopt tube drawing bench to draw internal diameter less than the tubule that requires, be divided into the length of requirement after, be welded in respectively on the base plate that has had openning hole, proofread and correct the back with the unit-type drill head reaming to the needs size.The design of internal diameter has directly determined the Fibre diameter of finished product electronic-grade spun yarn owing to let slip a remark, and therefore wants strict and determines with reference to the Fibre diameter of producing.Be example with D450 product single fiber, its diameter is 5.5 microns, and the internal diameter of preferably leting slip a remark thus is 1.15mm.Let slip a remark among the figure and pass the long 6.5mm of being of the protruding part of described base plate.
By the change to the arrangement mode of leting slip a remark on the bushing, reduced because the quantity of leting slip a remark rolls up the problem that cause inhomogeneous such as wire-drawing operation difficulty, single fiber diameter, devitrification of glass, wool yarn, broken yarn etc. reduce spun yarn quality quality in subsequent technique.Bushing of the present invention arrange adopt the matrixes of leting slip a remark at 9 row, 12 row remove four angles totally 8 let slip a remark have 100 fillet matrix arrangement modes of leting slip a remark, totally 8 200 of leting slip a remark fillet matrix of leting slip a remark is more symmetrical to remove four angles than the matrixes of leting slip a remark of 13 row 16 row of 800 hole bushings, flow through in the process of the wire drawing cooling of leting slip a remark at glass metal, it is more even that glass yarn is distributed, and effectively avoided tow plying, tow wear problems.
Fig. 2 is that bushing of the present invention is produced electronic-grade spinning process schema.As seen from the figure, the preparation of electronic-grade spun yarn will be passed through following steps: bushing is discharged glass yarn 2a, cooling body and spray cooling 2b, oiling 2c, last boundling 2d, following boundling 2e, tow winding displacement 2f, technologies such as spinning cake moulding and the 2g that twists thread.Owing to adopted 1200 new hole bushings also to cause the complementary and adaptive change of its subsequent technique.
Figure 3 shows that the bushing water cooler.After the high-temperature fusion glass precursor solution comes out from the bushing hole, in order to make root curing molding faster, need to adopt soft water to finish fast in the mode of heat exchange, in order to obtain needed curing molding fiber and stablize job state.Cooling system comprises cooling fin group 3a, cooling body 3b, and cooling is used soft water outlet 3d with soft water entrance 3c with cooling off.In the cooling system, cooling fin and cooling body length will cooperate width and the length of bushing respectively, both can guarantee the homogeneity of different zones glass yarn cooling, have to prevent undercooling, avoid the detrimentally affect to subsequent technique.
Glass yarn has passed through after the cooling, be through the coating of baster.Electronic-grade spun yarn product such as D450 have the powerful height of single fiber, wear resistance is good, soft yarns is moderate, the fiber coherent reaches excellent specific properties such as good insulation preformance well, need the professional well behaved treating compound solution of coating, this just needs the baster system to provide coating device for it, so that reach the due performance of product.When the silk root after coming out from bushing under drawing wire machine tractive force and the effect of liquid level static pressure, carry out the treating compound coating by three basters in left, center, right.Left side, centre, right side baster apply two synnema bundles respectively, and namely two spinning cake yarns apply six spinning cake yarns altogether.
Coated glass yarn tow enters into the boundling step.Boundling is for diffusing and many ultimate fibre effectively is concentrated into a branch of process, in order to reach desired yarn number number, thus the high performance characteristics of fortifying fibre tow.Buncher is divided into buncher and following buncher.Adopt gathering roll to replace traditional graphite rod form in the present embodiment.Last buncher adopts three gathering roll devices simultaneously, and three gathering rolls are respectively boundling two synnema bundles, amounts to boundling 6 synnema bundles.
Enter down buncher then.Following buncher is respectively 6 independent gathering rolls, can be respectively to 6 synnema Shu Jinhang boundlings, to guarantee that producing 6 spinning cake yarns can normally move at every turn during production.
Enter the spinning cake moulding process after the tow boundling.This is last one production system of drawing process, is to twist thread for next process to carry out the stage that work in-process generate.In drawing wire machine and strand oscillator winding process, head rotates along clockwise direction, and strand oscillator is then along rotation counterclockwise, and tow is regular to be arranged than keeping carrying out under the constant condition in both speed, produces trapezoidal spinning cake at last.This step and traditional technology are basic identical.
Claims (9)
1. bushing for the preparation of the electronic-grade spun yarn, be bathtub construction, described flute profile is by two blocks of horizontal side plates, two blocks of vertical side plates, base plate constitutes, it is identical that described base plate is provided with some sizes, equally distributed leting slip a remark, described leting slip a remark passes the protruding and center of described base plate a hole arranged, it is characterized in that, let slip a remark on the described base plate and arrange in the mode of 9 row, the 12 capable fillet parallelogram arrays of forming, described fillet parallelogram array refers to that the described parallelogram array formed of leting slip a remark removes the formed array of leting slip a remark of equal amts on four angles or different quantities respectively, described fillet parallelogram array is divided into M array and two kinds of arrays of N array, and described M array is that 2 formed 100 fillet parallelogram arrays of leting slip a remark that have of leting slip a remark are respectively removed at let slip a remark four angles of 9 row, the 12 row fillet parallelogram arrays formed; Described N array is that let slip a remark two angles on same one side of 9 row, the 12 row fillet parallelogram arrays formed are respectively removed 3 and let slip a remark and 1 formed 100 fillet parallelogram array of leting slip a remark that have of leting slip a remark is respectively removed at two angles of the opposite side on described limit; Described leting slip a remark according to the combination of described M array, or the combination of described N array, or being combined on the described base plate of described M array and described N array arranged.
2. a kind of bushing for the preparation of the electronic-grade spun yarn according to claim 1 is characterized in that described length of leting slip a remark is 3 ~ 7mm, and described base plate thickness is 1 ~ 2mm, and described leting slip a remark is the equal diameter circular tube structure of internal diameter 1 ~ 1.5mm.
3. a kind of bushing for the preparation of the electronic-grade spun yarn according to claim 1 is characterized in that described fillet parallelogram array is the fillet matrix.
4. a kind of bushing for the preparation of the electronic-grade spun yarn according to claim 1 is characterized in that dividing on the described base plate 6 of the every rows of two rows, parallelly is distributed with 12 arrays.
5. the preparation method of an electronic-grade spun yarn comprises the steps:
1) high temp glass liquid passes through as the arbitrary described bushing of claim 1-4;
2) will force cooling at water cooler by the high temp glass liquid of above-mentioned bushing, and make the temperature of glass metal reach second-order transition temperature, viscosity reaches vitrifying viscosity;
3) glass metal reaches vitrifying viscosity by water cooler becomes glass yarn, and described glass yarn carries out the treating compound coating by baster, makes its coating treated starch type treating compound;
4) above-mentioned glass yarn is passed through buncher; Described buncher is divided into buncher and following buncher, and described glass yarn is carried out boundling;
5) above-mentioned glass yarn is carried out the spinning cake moulding process, make the spinning cake yarn;
6) above-mentioned spinning cake yarn is carried out twisting technique.
6. the preparation method of a kind of electronic-grade spun yarn according to claim 5 is characterized in that described water cooler is made up of 10 cooling fins, and the length of cooling fin and described bushing width are complementary, and cooling body length and described bushing length are complementary.
7. the preparation method of a kind of electronic-grade spun yarn according to claim 5, it is characterized in that described baster is that the treating compound coating is carried out to described glass yarn in left side, centre, three basters in right side, described left side, centre, three basters in right side apply two synnema bundles respectively, i.e. two spinning cake yarns, apply 6 spinning cake yarns altogether, described baster device all uses the rubber ring transmission to carry out the treating compound coating.
8. the preparation method of a kind of electronic-grade spun yarn according to claim 5, it is characterized in that the described buncher of going up comprises three the gathering roll devices in left side, centre, right side of working simultaneously, described left side, centre, right side gathering roll be while boundling two synnema bundles respectively, altogether to 6 rhizoid Shu Jinhang while boundling.
9. the preparation method of a kind of electronic-grade spun yarn according to claim 5 is characterized in that described buncher down is 6 independent gathering rolls, can be respectively to 6 synnema Shu Jinhang boundlings during production.
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| CN2011100078110A CN102173574B (en) | 2011-01-14 | 2011-01-14 | Bushing and method for preparing electronic spun yarns |
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| CN2011100078110A CN102173574B (en) | 2011-01-14 | 2011-01-14 | Bushing and method for preparing electronic spun yarns |
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| CN102173574A CN102173574A (en) | 2011-09-07 |
| CN102173574B true CN102173574B (en) | 2013-07-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102503117A (en) * | 2011-11-11 | 2012-06-20 | 重庆国际复合材料有限公司 | Discharging plate and method for manufacturing electron-level spun yarn |
| CN109608035A (en) * | 2019-01-16 | 2019-04-12 | 河南光远新材料股份有限公司 | A kind of bushing of electric yarn wire-drawing equipment |
| CN109574493A (en) * | 2019-01-16 | 2019-04-05 | 河南光远新材料股份有限公司 | One kind preparing improved method for electronic-grade glass yarn |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201003033Y (en) * | 2006-11-03 | 2008-01-09 | 成都航天拓鑫科技有限公司 | Basalt fiber drawing bushing plate |
| CN101109934A (en) * | 2007-07-13 | 2008-01-23 | 南京航空航天大学 | Information describing method for platinum gold wire drawing bushing well nozzle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6543258B1 (en) * | 1997-12-02 | 2003-04-08 | Nitto Boseki Co., Ltd. | Glass fiber nonwoven fabric and printed wiring board |
| JP4370742B2 (en) * | 2001-08-30 | 2009-11-25 | 日東紡績株式会社 | Bushing plate manufacturing method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201003033Y (en) * | 2006-11-03 | 2008-01-09 | 成都航天拓鑫科技有限公司 | Basalt fiber drawing bushing plate |
| CN101109934A (en) * | 2007-07-13 | 2008-01-23 | 南京航空航天大学 | Information describing method for platinum gold wire drawing bushing well nozzle |
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| Title |
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| JP特开2003-73140A 2003.03.12 |
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Address after: 400082 Dadukou District of Chongqing Bridge Industrial Park B District Patentee after: Chongqing international composite Limited by Share Ltd Address before: 400082 Dadukou District of Chongqing Bridge Industrial Park B District Patentee before: Chongqing Polycomp International Corp. |
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Effective date of registration: 20181212 Address after: 401221 Ten Suites, Negative 1-1, etc., No. 25 Yanjia Qixin Avenue, Changshou District, Chongqing Patentee after: Chongqing Tianze new materials Co. Ltd. Address before: 400082 District B of Jianqiao Industrial Park, Dadukou District, Chongqing Patentee before: Chongqing international composite Limited by Share Ltd |
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