WO2006003935A1 - 連続定量排出装置及びこれを用いた材料配合システム - Google Patents
連続定量排出装置及びこれを用いた材料配合システム Download PDFInfo
- Publication number
- WO2006003935A1 WO2006003935A1 PCT/JP2005/011947 JP2005011947W WO2006003935A1 WO 2006003935 A1 WO2006003935 A1 WO 2006003935A1 JP 2005011947 W JP2005011947 W JP 2005011947W WO 2006003935 A1 WO2006003935 A1 WO 2006003935A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- storage tank
- discharge
- material storage
- discharge device
- blending system
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/24—Weighing mechanism control arrangements for automatic feed or discharge
- G01G13/248—Continuous control of flow of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/80—Falling particle mixers, e.g. with repeated agitation along a vertical axis
- B01F25/83—Falling particle mixers, e.g. with repeated agitation along a vertical axis with receptacles provided with fixed guiding elements therein, e.g. baffles; Cross-mixers comprising crossing channels for guiding the falling particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/16—Means for automatically discharging weigh receptacles under control of the weighing mechanism
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
- G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
- G01G23/3728—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting with wireless means
- G01G23/3735—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting with wireless means using a digital network
Definitions
- the present invention measures the mass of the storage material stored in the material storage tank, while the storage material is continuously discharged by a discharge device, and the material corresponding to the reduced mass is discharged.
- the present invention relates to a loss-in-wait type continuous-quantity discharging device capable of continuously discharging a certain amount of material and a material blending system using the same.
- a loss-in-weight method is known as a means for continuously discharging a certain amount of material.
- This continuous quantitative discharge device has a structure in which the two material storage tanks installed are respectively measured by the respective measuring units, and during the quantitative discharge of the material of one material storage tank, the other material storage tank is measured. In the section, the material is supplied from the material storage tank to enable measurement. In addition, when the quantitative discharge of one material storage tank force is completed, the material of the other material storage tank can be quantitatively discharged.
- the conventional continuous quantitative discharge device operates two material storage tanks alternately, and alternately discharges the material stored in each of the two material storage tanks, and continuously discharges them quantitatively.
- Patent Document 1 JP-A-5-322633
- this continuous quantitative discharge device requires two material storage tanks, and furthermore, each of these two material storage tanks is provided with a measuring unit, so that the structure is complicated and large-sized. There was a problem that.
- the continuous quantitative discharge device since the continuous quantitative discharge device has a structure in which the two material storage tanks and the quantitative discharge device are synchronized, when a large amount of material is continuously discharged, the material in one of the material storage tanks is fixed. It must be adjusted by reducing the discharge amount or slowing the discharge speed so that the material can be discharged quantitatively in any material storage tank, or waiting until it can be discharged. The problem is that the material cannot be discharged smoothly and continuously.
- each load cell that measures two material storage tanks has a structure that supports the outside of the material storage tank far away from the center of the material storage tank, so an error occurs when measuring the mass in the material storage tank. There is also the problem that the mass of easily stored material cannot be accurately measured.
- the blending device since the blending device has a fixed discharge port for each continuous quantitative discharge device, the materials are easily mixed depending on the discharge amount, the type of discharged material, and the like. There was also a problem that the mixing ratio of the materials was not uniform.
- the present invention is intended to solve the problem to be solved.
- the entire apparatus or system can be miniaturized, and a constant amount of material can be continuously and accurately discharged, and the discharged material is also uniform.
- the continuous quantitative discharge device is formed with a material retaining tank for retaining the material continuously supplied by the supplying means, and a material input port cut off from the material retaining tank at the upper part.
- the material holding tank stores the material to be dropped and the storage material
- the material storage tank provided with a discharge device capable of continuously discharging a fixed amount continuously, and a support arm connected only to the material storage tank in the material storage tank are provided.
- a load cell type mass measuring unit supported by a load cell provided on a support frame that is cut off in a non-contact state with the material storage tank, and monitoring the measured value of the load cell, while controlling the discharge of the discharge device And a control unit that controls supply to the Z or material storage tank.
- This device has a simple structure in which only one material storage tank is measured, and thus the entire apparatus can be reduced in size.
- the mass of the material stored in the material storage tank and the mass of the discharged material discharged by the discharge device are irrelevant without being synchronized. However, it can be continuously supplied to the material storage tank while being continuously discharged, enabling smooth continuous discharge and continuous supply.
- the support frame is provided in a non-contact state so as not to receive the load of the material storage tank, and supports the supporting arm with a load cell provided on the support frame.
- the total load of the material storage tank is the load cell in the material storage tank.
- the load cell can be installed close to the center of gravity of the material storage tank, so that the mass of the material to be charged can be accurately measured with high accuracy.
- a continuous quantitative discharge device is characterized in that, in claim 1, the carrying arm is provided with a pointed roof at the upper end.
- the continuous quantitative discharge device is the structure according to any one of claims 1 and 2, wherein the supporting arm is a structure perpendicular to the vertical axis of the center of gravity of the material storage tank. A load cell is arranged almost directly under the center of.
- a material blending system includes a plurality of continuous quantitative discharge devices according to any one of claims 1 to 3, and a plurality of continuous quantitative discharge devices connected to the discharge port tips of the discharge devices.
- the material discharged from the tip of the discharge port can be stored in one mixing tank, the above materials are mixed and blended in this mixing tank, and the blended material is transported to the former molding machine etc. by means of transportation. It is characterized by.
- the entire system can be simplified and reduced in size, and the materials discharged from the respective continuous quantitative discharge devices are mixed, blended and transported in the mixing tank, so that the materials are not displaced.
- the mixed material can be made uniform.
- the material blending system according to claim 5 is the material blending system according to claim 4, wherein the control unit simultaneously discharges the material at a constant discharge speed and simultaneously ends the discharge time so that the plurality of discharge devices rotate.
- the specified ratio and the specified amount of blended material are transported to a molding machine or the like.
- a plurality of discharging device forces are discharged so as to discharge simultaneously and stop at the same time until a predetermined amount of material force is reached. Can be discharged evenly.
- the control unit is dropped from the front end of the discharge port when the discharge is stopped without slowing down the rotation speed of the discharge device.
- the amount of sag is estimated according to the number of rotations and controlled to discharge a predetermined amount of material.
- the amount of sag is estimated and controlled to discharge a predetermined amount of material without slowing down the rotation speed of the discharging device, so that the discharging time is shortened and efficiency is improved. Can be increased.
- control unit stores a plurality of sag amounts of the material discharged from the discharge device, and the plurality of sag amounts The amount of discharge from the next time is automatically adjusted using the sag value obtained by dividing the total amount by the number of times as a correction value.
- control unit automatically adjusts the next discharge amount while adding the correction value, so that the error between the set discharge amount and the actual discharge amount caused by the sag amount is reduced.
- the amount of material discharge can be executed exactly as set.
- the material blending system according to claim 8 is the baffle plate according to any one of claims 4 to 7, wherein the material into which the discharge port tip force is discharged collides once in the middle of the dropping in the mixing tank. And is accommodated after this collision.
- the baffle plate scatters the material in the middle of falling, and the traveling direction is made non-sequential, and a plurality of materials are mixed during the scatter. Can be uniform.
- the air hole for taking in the secondary air during air transportation is formed in the side wall on the back side of the baffle plate of the mixing tank as in claim 8. .
- the air holes are formed in the side wall of the mixing tank on the back side of the baffle plate, so that when the secondary air is introduced, the baffle plate prevents the back flow of the material in the mixing tank, and smooth. Next Air can be taken in.
- control unit controls the transport amount of the transport means, it is possible to automate the process from the supply of the material to the transport.
- control unit provided in each continuous quantitative discharge device enables mutual information exchange through a communication line. ing.
- the Internet may be used as the communication line.
- the present invention has the following effects.
- the continuous quantitative discharge device since it has a simple structure that only measures one material storage tank, the entire device can be miniaturized.
- the support frame is provided in a non-contact state so as not to receive the load of the material storage tank, and supports the supporting arm with a load cell provided on the support frame. Therefore, the total load of the material storage tank is the load cell in the material storage tank.
- the load cell can be installed close to the center of gravity of the material storage tank, so that the mass of the material to be charged can be accurately measured with high accuracy.
- the support arm in the material storage tank is provided with the pointed roof portion at the upper end, the charged material causes the support arm to Therefore, it is possible to prevent the accumulation of the accumulated material and to measure the mass of the charged material more accurately.
- the supporting arm is a structure perpendicular to the center vertical axis of the material storage tank, and the load cell is arranged almost directly below the center of the structure. Therefore, the supporting arm can be formed in a desired shape such as one letter or ten letters.
- the entire system can be simplified and miniaturized, and the materials discharged from each continuous quantitative discharge device are mixed and blended in the mixing tank. Since the material is transported, the material can be made uniform without shifting and the mixed material can be made uniform.
- the compounding material can be discharged uniformly at the specified ratio until the end.
- the baffle plate scatters the material in the middle of the fall, makes its traveling direction random, and a plurality of materials are mixed during the scatter. Therefore, the material can be made more uniform.
- FIG. 1 is a schematic overall perspective view of a partially broken state showing an embodiment of a material blending system S using a continuous quantitative discharge device A according to the present invention.
- FIG. 2 is an explanatory diagram schematically showing a part of FIG. 1.
- FIG. 2 (a) is a schematic longitudinal sectional view of a part of FIG. 1, and
- FIG. 2 is a schematic front view of the continuous quantitative discharge device A as viewed from the control unit.
- FIG. 3 is a front view showing an operation panel of a control unit.
- FIG. 4 (a) to (c) are schematic views showing various attachment examples in which the material blending system S is attached to a molding machine.
- FIG. 1 is a schematic overall perspective view of a partially broken state showing an embodiment of a material blending system S using a continuous quantitative discharge device A according to the present invention
- FIG. 2 is a partial view of FIG. 2 (a) is a schematic longitudinal sectional view of a part of FIG. 1
- FIG. 2 (b) is a view of the continuous quantitative discharge device A of FIG. It is a schematic front view of the state.
- the continuous quantitative discharge device A includes a material holding tank 1 for holding the material Z continuously supplied by the supply means 10, and
- a material inlet 21 cut off from the material storage tank 1 is formed in the upper part to store the material Z dropped from the material storage tank 1 and to discharge the stored material Z continuously and quantitatively.
- a support arm 31 connected only to the material storage tank 2 is provided, and this support arm 31 is mounted on a support frame 32 that is cut off in a non-contact state with the material storage tank 2.
- the material Z may be a solid material that can be discharged by the discharge device 22 as long as it is a material Z.
- a powder material for a resin including a powder “particle”, a fine thin piece, a short fiber piece, etc. is used.
- a blower or the like is connected to the supply means 10, and the material Z can be continuously supplied to the material storage tank 1 by the air flow.
- a transparent window 11 is formed in the material storage tank 1, and the sucked material Z is visible from the outside.
- the material storage tank 1 is fixed to the outer frame 5 and through the outer frame 5.
- the lower bellows tube 12 is connected to the upper end.
- the lower end of the bellows tube 12 is connected to a material inlet 21 formed in the upper part of the material storage tank 2.
- the material storage tank 1 and the material storage tank 2 are connected to each other. It has been.
- the supply amount of the material Z to the material storage tank 1 or the supply amount of the material Z from the material storage tank 1 to the material storage tank 2 is controlled by the control unit 4.
- the material storage tank 2 stores the material Z dropped from the material storage tank 1 through the bellows tube 12, and continuously quantifies the stored material (hereinafter also referred to as "storage material").
- a discharge device 22 that can be discharged is provided at the bottom.
- the discharge device 22 uses a device that continuously discharges the storage material Z in the material storage tank 2 to the outside of the material storage tank 2 by a rotating screw (not shown) provided with a driving means 22a.
- any other discharge device 22 may be used as long as the storage material Z in the material storage tank 1 can be discharged out of the material storage tank 1 by a certain amount.
- a load cell type mass measuring unit 3 is provided, and the load cell type mass measuring unit 3 has the following configuration.
- a carrier arm 31 coupled only to the material storage tank 2 is provided.
- an opening 23 is formed in the opposite side wall of the material storage tank 2, and the opening 23 Both ends of the support arm 31 are fixed by welding or the like, and are connected only to the material storage tank 2
- the support arm 31 may be a plate material, but in this embodiment, the strength is increased by using a C-type channel steel material opened downward.
- a pointed roof 31a is formed at the upper end of the carrying arm 31.
- the supporting arm 31 is formed by passing one C-type steel material into the material storage tank 2 in a single letter shape.
- the material storage tank 2 is enlarged, For example, it is possible to increase the strength by arranging a plurality of support arms 2 in parallel or combining them in a cross shape.
- the supporting arm 31 is a structure that is installed in a horizontal direction perpendicular to the center of gravity vertical line of the continuous quantitative discharge device A.
- a load cell 3 to be described later is disposed almost directly below the center of the support arm 31 formed in such a structure.
- the support frame 32 is provided by being cut off in a non-contact state with the material storage tank 2.
- the support frame 32 uses a plate-shaped housing parallel to the carrier arm 31 with a gap therebetween, or a C-type channel steel material similar to the above that is opened upward.
- the support frame 32 is penetrated through the opening 14 of the material storage tank 2, and both ends thereof are fixed to the outer frame frame 5 formed so as to surround the material storage tank 2 with welding, bolts, or the like. Cut the edges of the material storage tank 2 in a non-contact state.
- a measuring portion (not shown) of the load cell 33 is disposed in a desired position of the edge-supported support frame 32, specifically, in the vicinity of the center of gravity of the material storage tank 2.
- the load arm 33 alone is used to support the carrying arm 31. If a gap is generated between the load cell 33 and the support arm 31 or the support frame 32, a spacer for filling the gap may be provided.
- the load cell type mass measuring unit 3 configured as described above is provided in a non-contact state such that the support frame 32 does not directly receive the load of the material storage tank 2, and the center of gravity on the support frame 32 is
- the load cell 33 is arranged in the vicinity and the load arm 3 alone supports the carrying arm 31.Therefore, the material storage tank 2 is in a suspended state, and the entire load is directly applied only by the load cell 33. As a result, the load cell 33 can measure the total mass of the material storage tank 2.
- the measured value measured by the load cell 33 is constantly monitored by the control unit 4.
- control unit 4 is connected to the drive means 22a of the discharge device 22 to perform discharge control of the storage material Z discharged from the discharge device 22, and to the material storage tank 1 as described above.
- the supply amount of the material Z or the supply amount of the material Z from the material holding tank 1 to the material storage tank 2 is controlled, and the supply control of the material Z into the material storage tank 2 is performed.
- control unit 4 stores the amount of sagging of the material Z discharged from the discharging device 22, and the sagging value obtained by dividing the total amount of sagging amounts of the plurality of times by the number of times is stored. As a correction value, the amount of discharge of the next power is automatically adjusted.
- control unit 4 automatically adjusts the next discharge amount while adding the above correction value to V, so that an error between the set discharge amount caused by the sag amount and the actual discharge amount is reduced. Reduce the amount of material Z, and execute it exactly as set.
- the continuous quantitative discharge device A configured as described above operates as follows.
- the load cell 33 includes the discharge device 22 and the load cell type. Only the load of the material storage tank 2 including the mass measuring unit 3 is received, but the load at this time is set as the mass 0 (zero).
- the driving means 22a of the discharge device 22 is driven.
- the storage material Z in the material storage tank 2 is continuously discharged.
- the discharge device 22 is immediately driven.
- the mass of the material Z that is continuously discharged is the mass that is subtracted from the mass force of the storage material Z in the material storage tank 2 contrary to the above, and this subtracted mass is monitored by the load cell 33. Therefore, the mass of the discharged material Z can be measured.
- the control unit 4 drops the material Z stored in the material storage tank 1 and replenishes the material storage tank 2 with an appropriate amount.
- the storage material Z in the material storage tank 2 is set to a predetermined value or more.
- control unit 4 can stop driving the discharge device 22 and discharge the input material Z.
- the entire apparatus can be miniaturized because it has a simple structure that only measures one material storage tank 2.
- the mass of the storage material Z in the material storage tank 2 and the mass of the discharge material Z discharged by the discharge device 22 are not synchronized and are irrelevant, a large amount of the material Z is continuously discharged. Even in such a case, the material storage tank 2 can be continuously supplied while being continuously discharged, and smooth continuous discharge and continuous supply can be performed, so that work efficiency can be improved.
- This material blending system S includes a plurality of continuous quantitative discharge devices A described above, and is connected to the discharge port tips 22c of the discharge devices 22 and discharged from the discharge port tips 22c.
- Z can be stored in one mixing tank 6, and in this mixing tank 6, the discharged material Z is mixed and blended, and then the transporting material 7 puts the blended material Z into the former molding machine (not shown), etc. It is supposed to be transported.
- the mixing tank 6 is narrowed downward, and on the upper side is a discharge port tip 22c provided in each of the plurality of continuous quantitative discharge devices A. Are connected inward It is.
- baffle plate 61 is provided below the discharge port tip 22c in which the discharged material Z collides with the baffle plate 61 in the middle of its fall. It will fall and be housed!
- the baffle plate 61 provided in the mixing tank 6 scatters the material Z in the middle of being dropped from each discharge port tip 21a, and the traveling direction is disordered. Since Z is mixed during scattering, the discharged material can be made uniform, and this uniform mixed material is blended into the front molding machine (not shown) etc. by the transport means 7 from the discharge port 62. Material Z is transported.
- a plurality of air holes 63 are formed in the side wall on the back side of the baffle plate 61 of the mixing tank 6 for taking in secondary air during air transportation.
- the baffle plate 61 serves to prevent the backflow of the material in the mixing tank 6 so that the secondary air can be taken in smoothly.
- the top surface is shown in an open state so that the inside of the mixing tank 6 can be easily understood. However, in order to take in the secondary air, the top surface of the mixing tank 6 is not covered. Needless to say, it is closed by a).
- the material blending system S configured as described above operates as follows.
- FIG. 3 is a front view showing the operation panel of the control unit 4, and FIGS. 4 (a) to (c) are schematic views showing various attachment examples in which the material blending system S is attached to the molding machine L.
- FIG. 4 (a) to (c) are schematic views showing various attachment examples in which the material blending system S is attached to the molding machine L.
- control unit 4 is provided with a control panel that operates independently, and the control panels can be connected to each other via a communication line to enable synchronized operation, and a central control panel can be arbitrarily selected. Then, the entire system is controlled by a single control unit 4 using the central control panel.
- each continuous quantitative discharge device A discharges to the mixing tank 6 until each set discharge amount is reached.
- control unit 4 simultaneously discharges the material Z from the plurality of discharging devices 22 at a constant discharging speed, and at the same time, the rotational speed of the driving unit 22a of the discharging device 22 so that the discharging time ends. Therefore, a uniform blending material can be obtained from the beginning to the end while maintaining a predetermined mixing ratio.
- control unit 4 is controlled so as to estimate the amount of sagging at which the discharge end force is also dropped when the discharge is stopped according to the number of rotations, and discharge a predetermined amount of the material Z.
- the discharge amount display section 42 provided in the upper part of the set value display section 41 displays the discharge amount, and the discharge amount displayed in the discharge amount display section 42 is set as shown in the figure. If it becomes the same as the display unit 41, the discharge is stopped.
- the material Z discharged in a predetermined amount from each of the continuous quantitative discharge devices A in this way is uniformly mixed and blended in the mixing tank 6, and is then transported by the transport means 7 to the front molding machine. Although transported to L, the transport amount of the transport means 7 can also be controlled by the control unit 4.
- the material blending system S of the present invention can be installed in various states as shown in Figs. 4 (a) to (c), depending on the type of the molding machine L and the installation environment. is there.
- the present invention can be effectively used as a miniaturized continuous quantitative discharge device and a material blending system using the same.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Accessories For Mixers (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US11/631,022 US7504593B2 (en) | 2004-06-30 | 2005-06-29 | Continuous quantitative discharging device and material blending system using the same |
JP2006528746A JPWO2006003935A1 (ja) | 2004-06-30 | 2005-06-29 | 連続定量排出装置及びこれを用いた材料配合システム |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004194608 | 2004-06-30 | ||
JP2004-194608 | 2004-06-30 |
Publications (1)
Publication Number | Publication Date |
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WO2006003935A1 true WO2006003935A1 (ja) | 2006-01-12 |
Family
ID=35782743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/011947 WO2006003935A1 (ja) | 2004-06-30 | 2005-06-29 | 連続定量排出装置及びこれを用いた材料配合システム |
Country Status (4)
Country | Link |
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US (1) | US7504593B2 (ja) |
JP (1) | JPWO2006003935A1 (ja) |
CN (1) | CN100520316C (ja) |
WO (1) | WO2006003935A1 (ja) |
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- 2005-06-29 CN CNB2005800218299A patent/CN100520316C/zh not_active Expired - Fee Related
- 2005-06-29 JP JP2006528746A patent/JPWO2006003935A1/ja active Pending
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015021806A (ja) * | 2013-07-18 | 2015-02-02 | 株式会社松井製作所 | 粉粒体材料の配合装置及び粉粒体材料の配合方法 |
JP2021022550A (ja) * | 2019-07-25 | 2021-02-18 | 呉剛 | リチウムイオン二次電池の炭化ケイ素負極材料の製造設備 |
Also Published As
Publication number | Publication date |
---|---|
CN100520316C (zh) | 2009-07-29 |
US7504593B2 (en) | 2009-03-17 |
US20070278018A1 (en) | 2007-12-06 |
CN1977151A (zh) | 2007-06-06 |
JPWO2006003935A1 (ja) | 2008-04-17 |
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