CN103100576B - Water-cooling roller device for drawing amorphous wire - Google Patents
Water-cooling roller device for drawing amorphous wire Download PDFInfo
- Publication number
- CN103100576B CN103100576B CN201110355387.9A CN201110355387A CN103100576B CN 103100576 B CN103100576 B CN 103100576B CN 201110355387 A CN201110355387 A CN 201110355387A CN 103100576 B CN103100576 B CN 103100576B
- Authority
- CN
- China
- Prior art keywords
- water
- cocoons
- raw silk
- running roller
- shaft
- 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
Classifications
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Physical Vapour Deposition (AREA)
Abstract
The invention relates to a device for preparing amorphous wire drew from high vacuum melt, and specifically a water-cooling roller device for drawing amorphous wire. The device comprises a magnetic fluid, a vacuum sealing flange and a spinning roller. The magnetic fluid by is mounted in a vacuum chamber through the vacuum sealing flange; a magnetic fluid shaft at one end of the magnetic fluid is connected with a frequency conversion motor through a transmission device and is driven by the frequency conversion motor to rotate; a magnetic fluid shaft at the other end of the magnetic fluid is provided with a spinning roller; the magnetic fluid shaft is hollow and provided with a water inlet pipe; one end of the water inlet pipe is connected with a water-cooling connector rotating at high speed, and the other end of the water inlet pipe communicates with a water-cooling tank in the spinning roller through a through hole on the magnetic fluid shaft; cooling water enters into the spinning roller from the water inlet pipe, and flows out through the gap between the water inlet pipe and an inner wall of the magnetic fluid shaft; and a circumferential surface of the spinning roller is provided with a plurality of spinning tips at different angles. The device provided by the invention realizes water cooling of the spinning roller by introducing and discharging cooling water in the magnetic fluid.
Description
Technical field
The present invention relates to for high vacuum melt pull amorphous wire preparation facilities, specifically a kind of water cooled rolls wheel apparatus of pull amorphous wire.
Background technology
At present, be applied to high vacuum melt pull amorphous wire preparation facilities also in development, adopt the running roller that reels off raw silk from cocoons of which kind of structure, whether the running roller that reels off raw silk from cocoons needs cooling by water, and the most advanced and sophisticated angle design of reeling off raw silk from cocoons all needs to grope.Therefore, design a kind of difference water-cooled of tip angle roller apparatus that reels off raw silk from cocoons that reels off raw silk from cocoons that can water-cooled can convert again and become problem demanding prompt solution.
Summary of the invention
The object of the present invention is to provide a kind of water cooled rolls wheel apparatus of pull amorphous wire.This water cooled rolls wheel apparatus can be realized water-cooled, has three kinds of different angles most advanced and sophisticated mode of reeling off raw silk from cocoons of reeling off raw silk from cocoons, and can be applied to high vacuum environment, meets comprehensive compatibility of high vacuum melt pull amorphous wire preparation facilities.
The object of the invention is to be achieved through the following technical solutions:
The present invention includes magnetic fluid, vacuum seal flange and the running roller that reels off raw silk from cocoons, wherein magnetic fluid is arranged in vacuum chamber by vacuum seal flange, the Magnetofluid shaft of magnetic fluid one end is connected with variable-frequency motor, by variable-frequency motor, is driven rotation by transmission device, on the Magnetofluid shaft of the magnetic fluid other end, the running roller that reels off raw silk from cocoons is installed; Described Magnetofluid shaft inner hollow, be provided with water inlet pipe, one end of this water inlet pipe is connected to High Rotation Speed water-cooling joint, the other end is connected with the water-cooling groove of the running roller inside of reeling off raw silk from cocoons by the through hole of offering on Magnetofluid shaft, cooling water is flowed in the running roller that reels off raw silk from cocoons by water inlet pipe, by the gap between water inlet pipe and Magnetofluid shaft inwall, flow out, described in the reel off raw silk from cocoons circumferential surface of running roller be provided with the tip of reeling off raw silk from cocoons of a plurality of different angles.
Wherein: described in the reel off raw silk from cocoons inside of running roller be respectively equipped with vertically the first water-cooling groove and the second water-cooling groove; The described tip of reeling off raw silk from cocoons of reeling off raw silk from cocoons on running roller is three, and angle is respectively 30 °, 45 ° and 60 °; In described Magnetofluid shaft, establish blind hole, water inlet pipe is arranged in this blind hole, and the water inlet end of water inlet pipe is near the bottom of described blind hole; In described Magnetofluid shaft, near described blind hole bottom, be respectively equipped with vertically the first through hole and the second through hole, this first through hole and the second through hole lay respectively at the both sides of described water inlet pipe water inlet end; Described the first through hole and the second through hole are respectively equipped with a plurality of, radially uniform; In the described running roller that reels off raw silk from cocoons, be provided with the first water-cooling groove and the second water-cooling groove, the first through hole and the second through hole are connected with the first water-cooling groove and the second water-cooling groove respectively, the baffle for separating that this first water-cooling groove and the second water-cooling groove connect by Magnetofluid shaft outer surface is opened, and between the first water-cooling groove and the second water-cooling groove, by described dividing plate, is communicated with the space between water-cooled cell wall; One side seal of the described running roller that reels off raw silk from cocoons is connected with mounting flange, and this mounting flange is set on Magnetofluid shaft, and the opposite side of the outside of mounting flange and the running roller that reels off raw silk from cocoons is respectively equipped with the front side shaft that is enclosed within on Magnetofluid shaft to sealing block and rear side seal locating piece; The end thread of described Magnetofluid shaft is connected with locking nut, and the running roller that reels off raw silk from cocoons is by the shaft shoulder axial location on locking nut and Magnetofluid shaft; Described transmission device comprises the first belt pulley, the second belt pulley and belt, and wherein the first belt pulley is connected with magnetic fluid, by belt, is connected with the second belt pulley on variable-frequency motor output shaft.
Advantage of the present invention and good effect are:
1. the present invention realizes the cooling by water of the running roller that reels off raw silk from cocoons by introducing and discharge the mode of cooling water in magnetic fluid inside, can be applied to high vacuum environment (5 * 10
-5pa), meet comprehensive compatibility of high vacuum melt pull amorphous wire preparation facilities.
2. the present invention is by using the tip of reeling off raw silk from cocoons of three kinds of different angles, by the position of feed switched mechanism, realize the tip of reeling off raw silk from cocoons of different angles and carry out the preparation of high vacuum melt pull amorphous wire, utilize the pluses and minuses of the most advanced and sophisticated contrast melt of reeling off raw silk from cocoons of three kinds of different angles pull amorphous wire.
3. magnetic fluid of the present invention is fixed on vacuum seal flange, vacuum seal flange can guarantee the to reel off raw silk from cocoons accurate location of running roller.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein: 1 is High Rotation Speed water-cooling joint, 2 is the first belt pulley, and 3 is magnetic fluid, 4 is vacuum seal flange, and 5 is rear side seal locating piece, and 6 for reeling off raw silk from cocoons running roller, 7 be front side shaft to sealing block, 8 is locking nut, 9 is the tip of reeling off raw silk from cocoons, 10 is mounting flange, and 11 is the first water-cooling groove, and 12 is the second water-cooling groove, 13 is the first through hole, and 14 is the second through hole, and 15 is water inlet pipe, 16 is Magnetofluid shaft, and 17 is dividing plate, and 18 is gap.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the present invention includes magnetic fluid 3, vacuum seal flange 4, rear side seal locating piece 5, the running roller 6 that reels off raw silk from cocoons, front side shaft to sealing block 7, locking nut 8, mounting flange 10 and water inlet pipe 15, wherein transmission device comprises the first belt pulley 2, the second belt pulley and belt, wherein the first belt pulley 2 is connected with Magnetofluid shaft 16 keys of magnetic fluid 3 one end, this first belt pulley 2 is connected with the second belt pulley on variable-frequency motor output shaft by belt, by variable-frequency motor, drives rotation; On vacuum seal flange 4, reel off raw silk from cocoons running roller 6 and mounting flange 10, all have circular hole, and be sleeved on successively on the Magnetofluid shaft 16 of magnetic fluid 3 other ends, whole water cooled rolls wheel apparatus is arranged in vacuum chamber by vacuum seal flange 4.
The running roller 6 that reels off raw silk from cocoons is connected with Magnetofluid shaft 16 keys, in the inside of the running roller 6 that reels off raw silk from cocoons, be respectively equipped with vertically the first water-cooling groove 11 and the second water-cooling groove 12, mounting flange 10 is fixed in a side of the running roller 6 that reels off raw silk from cocoons, and between mounting flange 10 and the surface of running roller 6 these sides of reeling off raw silk from cocoons, passes through rubber sealing; This mounting flange 10 is for sealing the first water-cooling groove 11 and the second water-cooling groove 12.Reel off raw silk from cocoons and between running roller 6 opposite sides and the shaft shoulder of Magnetofluid shaft 16, be provided with the rear side seal locating piece 5 being enclosed within on Magnetofluid shaft 16, the outside of mounting flange 10 is provided with the front side shaft that is enclosed within on Magnetofluid shaft 16 to sealing block 7; The end thread of Magnetofluid shaft 16 other ends is connected with locking nut 8, and the running roller 6 that reels off raw silk from cocoons is by the shaft shoulder axial location on locking nut 8 and Magnetofluid shaft 16; Rear side seal locating piece 5 and front side shaft belong to location rubber ring sealing mechanism to sealing block 7, can realize the sealing to the running roller that reels off raw silk from cocoons, and can realize the location of the running roller that reels off raw silk from cocoons.What the circumferential surface of running roller 6 of reeling off raw silk from cocoons was provided with a plurality of different angles reels off raw silk from cocoons most advanced and sophisticated 9, the tip 9 of reeling off raw silk from cocoons that the present embodiment reels off raw silk from cocoons on running roller 6 is three, angle is respectively 30 °, 45 ° and 60 °, set arbitrarily (three most advanced and sophisticated needing only of reeling off raw silk from cocoons guarantee angle value, and specifically the angle at which tip can be set at random).
The cooling water of running roller 6 of reeling off raw silk from cocoons can be introduced and be discharged by magnetic fluid 3.In Magnetofluid shaft 16, establish blind hole, be provided with water inlet pipe 15 in blind hole, one end of water inlet pipe 15 (water inlet end) inserted by the openend of blind hole, and the water inlet end of water inlet pipe 15 is positioned at the bottom near described blind hole; Magnetofluid shaft 16 is interior is respectively equipped with the first through hole 13 and the second through hole 14 vertically near described blind hole bottom, and this first through hole 13 and the second through hole 14 lay respectively at the both sides of described water inlet pipe 15 water inlet ends; The first through hole 13 and the second through hole 14 are respectively equipped with a plurality of (the present embodiment is four), radially uniform, and the first through hole 13 is in the left side of water inlet pipe 15 water inlet ends, and the second through hole 14 is on the right side of water inlet pipe 15 water inlet ends; The first through hole 13 is communicated with the first water-cooling groove 11 in the running roller 6 that reels off raw silk from cocoons, and the second through hole 14 is communicated with the second water-cooling groove 12 in the running roller 6 that reels off raw silk from cocoons.At Magnetofluid shaft 16, be positioned on one section of outer surface of the running roller 6 that reels off raw silk from cocoons and be provided with dividing plate 17, this dividing plate 17 is separated the first water-cooling groove 11 and the second water-cooling groove 12, but leave space between dividing plate 17 and water-cooled cell wall, the first water-cooling groove 11 and the second water-cooling groove 12 are communicated with by described space, and the water in the first water-cooling groove 11 can be flow in the second water-cooling groove 12.
The other end of water inlet pipe 15 is connected to High Rotation Speed water-cooling joint 1, the part that this High Rotation Speed water-cooling joint 1 is connected with extraneous cooling water source keeps static when water-cooled is reeled off raw silk from cocoons running roller 6 rotation, and the part being connected with water inlet pipe 15 can reach the rotating speed of 3800～5000 revs/min; High Rotation Speed water-cooling joint 1 can be introduced cooling water to reel off raw silk from cocoons in running roller 6, and the cooling water in the running roller 6 that reels off raw silk from cocoons flows out by the gap 18 between water inlet pipe 15 and Magnetofluid shaft 16 inwalls.
Workpiece principle of the present invention is:
Variable-frequency motor work, by the first belt pulley 2, drive the Magnetofluid shaft 16 of magnetic fluid 3 to rotate, and realize reel off raw silk from cocoons running roller 6 and mounting flange 10 rotations, most advanced and sophisticated 9 the rotating speed of reeling off raw silk from cocoons that makes to reel off raw silk from cocoons on running roller 6 is less than 50M/S (linear velocity) and adjustable, and by the position of feed switched mechanism, realizes reeling off raw silk from cocoons of different angles and most advanced and sophisticated 9 carry out the preparation of high vacuum melt pull amorphous wire.In the most advanced and sophisticated pull amorphous wire that reels off raw silk from cocoons, cooling water is entered by High Rotation Speed water-cooling joint 1, through water inlet pipe 15, by four the first through holes 13, flowed in the first water-cooling groove 11, rotation along with the running roller 6 that reels off raw silk from cocoons, cooling water flows into the second water-cooling groove 12 by the space between dividing plate 17 edges and water-cooled cell wall, through the second through hole 14, flow out by gap 18, complete cool cycles again.
Cushion rubber in the present invention adopts fluorubber cushion rubber location sealing mode to seal.
Claims (8)
1. the water cooled rolls wheel apparatus of a pull amorphous wire, it is characterized in that: comprise magnetic fluid (3), vacuum seal flange (4) and the running roller that reels off raw silk from cocoons (6), wherein magnetic fluid (3) is arranged in vacuum chamber by vacuum seal flange (4), the Magnetofluid shaft (16) of magnetic fluid (3) one end is connected with variable-frequency motor, by variable-frequency motor, is driven rotation by transmission device, on the Magnetofluid shaft (16) of magnetic fluid (3) other end, the running roller that reels off raw silk from cocoons (6) is installed; Described Magnetofluid shaft (16) inner hollow, be provided with water inlet pipe (15), one end of this water inlet pipe (15) is connected to High Rotation Speed water-cooling joint (1), the other end is connected by the inner water-cooling groove of the through hole of offering on Magnetofluid shaft (16) and the running roller that reels off raw silk from cocoons (6), cooling water is flowed in the running roller (6) that reels off raw silk from cocoons by water inlet pipe (15), flow out in gap (18) by between water inlet pipe (15) and Magnetofluid shaft (16) inwall, described in the reel off raw silk from cocoons circumferential surface of running roller (6) be provided with the tip of reeling off raw silk from cocoons (9) of a plurality of different angles.
2. by the water cooled rolls wheel apparatus of pull amorphous wire described in claim 1, it is characterized in that: described in the reel off raw silk from cocoons inside of running roller (6) be respectively equipped with vertically the first water-cooling groove (11) and the second water-cooling groove (12).
3. by the water cooled rolls wheel apparatus of pull amorphous wire described in claim 1, it is characterized in that: described in the tip of reeling off raw silk from cocoons (9) of reeling off raw silk from cocoons on running roller (6) be three, angle is respectively 30 °, 45 ° and 60 °.
4. by the water cooled rolls wheel apparatus of pull amorphous wire described in claim 1, it is characterized in that: described Magnetofluid shaft is established blind hole in (16), water inlet pipe (15) is arranged in this blind hole, and the water inlet end of water inlet pipe (15) is near the bottom of described blind hole; In described Magnetofluid shaft (16), near described blind hole bottom, be respectively equipped with vertically the first through hole (13) and the second through hole (14), this first through hole (13) and the second through hole (14) lay respectively at the both sides of described water inlet pipe (15) water inlet end.
5. by the water cooled rolls wheel apparatus of pull amorphous wire described in claim 4, it is characterized in that: described the first through hole (13) and the second through hole (14) are respectively equipped with a plurality of, radially uniform; In the described running roller that reels off raw silk from cocoons (6), be provided with the first water-cooling groove (11) and the second water-cooling groove (12), the first through hole (13) and the second through hole (14) are connected with the first water-cooling groove (11) and the second water-cooling groove (12) respectively, the dividing plate (17) that this first water-cooling groove (11) and the second water-cooling groove (12) connect by Magnetofluid shaft (16) outer surface is separated, and between the first water-cooling groove (11) and the second water-cooling groove (12), by described dividing plate (17), is communicated with the space between water-cooled cell wall.
6. by the water cooled rolls wheel apparatus of pull amorphous wire described in claim 1, it is characterized in that: described in a reel off raw silk from cocoons side seal of running roller (6) be connected with mounting flange (10), it is upper that this mounting flange (10) is set in Magnetofluid shaft (16), and the opposite side of the outside of mounting flange (10) and the running roller that reels off raw silk from cocoons (6) is respectively equipped with the front side shaft that is enclosed within on Magnetofluid shaft (16) to sealing block (7) and rear side seal locating piece (5).
7. by the water cooled rolls wheel apparatus of pull amorphous wire described in claim 1, it is characterized in that: the end thread of described Magnetofluid shaft (16) is connected with locking nut (8), the running roller that reels off raw silk from cocoons (6) is by the shaft shoulder axial location on locking nut (8) and Magnetofluid shaft (16).
8. by the water cooled rolls wheel apparatus of pull amorphous wire described in claim 1, it is characterized in that: described transmission device comprises the first belt pulley (2), the second belt pulley and belt, wherein the first belt pulley (2) is connected with magnetic fluid (3), by belt, is connected with the second belt pulley on variable-frequency motor output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110355387.9A CN103100576B (en) | 2011-11-11 | 2011-11-11 | Water-cooling roller device for drawing amorphous wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110355387.9A CN103100576B (en) | 2011-11-11 | 2011-11-11 | Water-cooling roller device for drawing amorphous wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103100576A CN103100576A (en) | 2013-05-15 |
| CN103100576B true CN103100576B (en) | 2014-12-10 |
Family
ID=48308964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110355387.9A Active CN103100576B (en) | 2011-11-11 | 2011-11-11 | Water-cooling roller device for drawing amorphous wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103100576B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464515B (en) * | 2013-09-15 | 2015-10-21 | 无锡平盛科技有限公司 | Trunk-type take-up machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519758A (en) * | 2009-04-14 | 2009-09-02 | 哈尔滨工业大学 | Method and device for manufacturing metal amorphous wires |
| CN101956087A (en) * | 2010-09-02 | 2011-01-26 | 中国科学院宁波材料技术与工程研究所 | Method for preparing cobalt-based amorphous alloy wire |
| CN202316629U (en) * | 2011-11-11 | 2012-07-11 | 中国科学院沈阳科学仪器研制中心有限公司 | Water-cooled roller device for drawing amorphous wires |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0679346A (en) * | 1992-09-04 | 1994-03-22 | Jeco Co Ltd | Manufacture of amorphous magnetic wire |
-
2011
- 2011-11-11 CN CN201110355387.9A patent/CN103100576B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519758A (en) * | 2009-04-14 | 2009-09-02 | 哈尔滨工业大学 | Method and device for manufacturing metal amorphous wires |
| CN101956087A (en) * | 2010-09-02 | 2011-01-26 | 中国科学院宁波材料技术与工程研究所 | Method for preparing cobalt-based amorphous alloy wire |
| CN202316629U (en) * | 2011-11-11 | 2012-07-11 | 中国科学院沈阳科学仪器研制中心有限公司 | Water-cooled roller device for drawing amorphous wires |
Non-Patent Citations (3)
| Title |
|---|
| "真空镀膜设备用磁流体密封组件设计使用中的若干问题探讨";张振厚;《真空》;20040131;第41卷(第1期);全文 * |
| JP特開平6-79346A 1994.03.22 * |
| 张振厚."真空镀膜设备用磁流体密封组件设计使用中的若干问题探讨".《真空》.2004,第41卷(第1期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103100576A (en) | 2013-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102935397B (en) | Dual-rotation conical-drum-type horizontal sand mill | |
| CN104741176A (en) | Pin type nano sand mill | |
| CN105478503A (en) | Water tank wire drawing unit and wire drawing process | |
| CN111389525A (en) | Trapezoidal laminated nano sand mill | |
| CN103100576B (en) | Water-cooling roller device for drawing amorphous wire | |
| JP2019108932A (en) | Vehicle drive device | |
| CN101628342B (en) | Main shaft device capable of improving cooling and dust removing effects | |
| CN202316629U (en) | Water-cooled roller device for drawing amorphous wires | |
| CN208340286U (en) | A kind of BOPP film production line circulating cooling water filtering device | |
| CN203355812U (en) | Horizontal type sand mill for producing biopesticide | |
| CN106323550A (en) | Novel rotation type sealing ring performance test machine | |
| CN203973672U (en) | A kind of drip irrigation pipe production system | |
| CN204625885U (en) | A kind of automatic collection trash discharging apparatus for open-end spinning | |
| CN111229092A (en) | Agitating unit is used in rose oil production | |
| CN201823598U (en) | Magnetic-separation cylinder for dry type permanent magnetic separator | |
| CN203663507U (en) | Continuous bubble centrifugal separation device | |
| CN103691162B (en) | Continuous centrifugal bubble detaching device | |
| CN206170272U (en) | Vacuum extruding machine | |
| CN103528907B (en) | A kind of throwing beats formula impact friction abrasion test device | |
| CN217068996U (en) | Wind-water double-cooling PE (polyethylene) flour mill | |
| CN213892997U (en) | Liquid culture medium self-flowing racking machine | |
| CN214665878U (en) | Air-cooled cooling device used after processing and forming of plastic stabilizer | |
| CN210206686U (en) | Bauxite waste residue ore dressing flotation self-suction type pipeline mineralization stirring device | |
| CN209923503U (en) | Discharging mechanism for spinning machine | |
| CN212603284U (en) | Cable production extruding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Xinyuan street Shenyang Hunnan New District of 110168 cities in Liaoning province. Applicant after: Shenyang Scientific Apparatus Co., Ltd. of Chinese Academy of Sciences Address before: Xinyuan street Shenyang Hunnan New District of 110168 cities in Liaoning province. Applicant before: Shenyang Scientific Instrument Research & Mfg. Center Co., Ltd., C.A.S |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHENYANG SCIENTIFIC INSTRUMENT RESEARCH + MFG. CENTER CO., LTD., C.A.S TO: CAS SHENYANG SCIENTIFIC INSTRUMENT CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |