CN108580255B - Intelligent ore sieving mechanism - Google Patents

Intelligent ore sieving mechanism Download PDF

Info

Publication number
CN108580255B
CN108580255B CN201810384996.9A CN201810384996A CN108580255B CN 108580255 B CN108580255 B CN 108580255B CN 201810384996 A CN201810384996 A CN 201810384996A CN 108580255 B CN108580255 B CN 108580255B
Authority
CN
China
Prior art keywords
device body
ear
port
ear chamber
close
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.)
Expired - Fee Related
Application number
CN201810384996.9A
Other languages
Chinese (zh)
Other versions
CN108580255A (en
Inventor
秦天云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuanda Trading Co ltd
Original Assignee
Yuanda Trading Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yuanda Trading Co ltd filed Critical Yuanda Trading Co ltd
Priority to CN201810384996.9A priority Critical patent/CN108580255B/en
Publication of CN108580255A publication Critical patent/CN108580255A/en
Application granted granted Critical
Publication of CN108580255B publication Critical patent/CN108580255B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)

Abstract

The invention discloses an intelligent ore screening device which comprises a device body, wherein a feeding opening is formed in one side of the top end of the device body, two horizontally arranged extension plates penetrate through one side of the bottom of the feeding opening in a sliding mode, a baffle is vertically and fixedly connected to one end, located inside the feeding opening, of each extension plate, a movable plate is vertically and fixedly connected to the other end of each extension plate, a threaded rod is horizontally arranged in the center of each movable plate, a bearing seat is fixedly installed on one side of the bottom of the feeding opening, one end of each threaded rod extends into each bearing seat, a rotating handle is fixedly welded to the other end of each threaded rod, ear chambers are formed in two sides of the device body, a second discharging opening is formed in the lower portion, close to one side of the feeding opening, of each ear chamber, a first discharging opening is formed in the upper portion. The ore screening device is reasonable in structure, the feeding speed of the ore entering the screening device is controlled, the ore is prevented from being retained on the screen, and the quality and the efficiency of ore screening are improved.

Description

Intelligent ore sieving mechanism
Technical Field
The invention relates to the technical field of screening equipment, in particular to an intelligent ore screening device.
Background
The ore often mixes and removes many impurities at the in-process of exploitation, often can use the sieving mechanism to select the ore of different particle size and gravity, and in the screening process, often because the inhomogeneous and uncontrollable of ore unloading leads to the effect of ore screening unsatisfactory, and current sieve separator can not carry out classification output to the object of not equidimension and weight well moreover, for this we have designed an intelligent ore sieving mechanism and have solved above problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an intelligent ore screening device.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent ore screening device comprises a device body, the device body is of a cavity structure, a feeding hole is formed in one side of the top end of the device body, two horizontally arranged extension plates penetrate through one side of the bottom of the feeding hole in a sliding mode, one end, located inside the feeding hole, of each extension plate is vertically and fixedly connected with a baffle plate, the other end of each extension plate is vertically and fixedly connected with a movable plate, a threaded rod is horizontally arranged in the center of each movable plate, the movable plate is sleeved on the threaded rod in a threaded mode, a bearing seat is fixedly installed on one side of the bottom of the feeding hole, one end of the threaded rod extends into the bearing seat, a rotating handle is fixedly welded to the other end of the threaded rod, ear chambers are arranged on two sides of the device body, ear chambers close to one side of the feeding hole are higher than ear chambers far away from one side of the feeding hole, a second discharge hole is formed, the inside bottom mounting of earmuff is provided with the slant board, the one end that the device body was kept away from to the slant board is higher than the one end near the device body, the slant board is close to device body one side fixed mounting has the motor, the one end fixedly connected with eccentric wheel of motor output shaft, the slant board is kept away from the fixed spacing groove that is provided with in device body one side, the inside of spacing groove is equipped with the spring, the one end fixed connection of spring is on the top of slant board, the other end fixedly connected with fly leaf of spring, the opposite side of fly leaf rotates and is connected with the screen cloth, the screen cloth that is close to in the earmuff of pan feeding mouth one side is coarse screening net, keep away from the screen cloth in the earmuff of pan feeding mouth one side and be fine screening net, coarse screening net's opposite side rotates and connects the one side bottom at.
Preferably, the feeding port is of a Y-shaped structure, and the extension plate penetrates through the lower half portion of the feeding port in a sliding mode.
Preferably, the level of the lug chamber on the side close to the feeding port is higher than that of the first discharging port, the level of the first discharging port is higher than that of the lug chamber on the side far away from the feeding port, and the level of the lug chamber on the side far away from the feeding port is higher than that of the second discharging port.
Preferably, the bottom end of the coarse screen is abutted against an eccentric wheel in the ear chamber on the side close to the feeding port.
Preferably, the bottom end of the fine screen is abutted against an eccentric wheel in the ear chamber on the side far away from the feeding port.
Preferably, the essence box is of a drawer type structure and is arranged at the bottom of the device body in a sliding mode.
Preferably, the ear chambers are fixedly arranged on two sides of the device body, an opening is formed in one side, close to the device body, of each ear chamber, and the cavities of the ear chambers are communicated with the cavities of the device body.
The invention has the beneficial effects that:
1. the threaded rod is driven to rotate by rotating the rotating handle, so that the moving plate moves left and right, the extending plate and the baffle are driven to move left and right, the size of an opening at the bottom of the feeding opening is adjusted, the feeding speed of ores entering the screening device is controlled, and the screening quality is improved;
2. the eccentric wheel is driven to rotate through the motor, so that the screen close to the eccentric wheel vibrates continuously under the limitation of the movable plate, the spring and the limiting groove, ores are prevented from being detained on the screen, and the quality and the efficiency of ore screening are improved.
The ore screening device is reasonable in structure and convenient to use, controls the feeding speed of ores entering the screening device, prevents the ores from being retained on the screen, and is beneficial to improving the quality and efficiency of ore screening.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent ore screening device according to the present invention;
fig. 2 is a schematic structural diagram of an intelligent ore screening device a according to the present invention;
fig. 3 is a schematic structural diagram of an intelligent ore screening device B according to the present invention.
In the figure: the device comprises a device body 1, a feeding port 2, an extension plate 3, a baffle 4, a moving plate 5, a threaded rod 6, a bearing seat 7, a rotating handle 8, a slant plate 9, a motor 10, an eccentric wheel 11, a limiting groove 12, a spring 13, a movable plate 14, a coarse screen 15, a first discharging port 16, a fine screen 17, a second discharging port 18, a fine material box 19 and a drawing handle 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an intelligent ore screening device comprises a device body 1, the device body 1 is a cavity structure, a feeding port 2 is arranged on one side of the top end of the device body 1, two horizontally arranged extension plates 3 are slidably penetrated on one side of the bottom of the feeding port 2, one end of each of the two extension plates 3 positioned inside the feeding port 2 is vertically and fixedly connected with a baffle 4, the other end of each of the extension plates 3 is vertically and fixedly connected with a movable plate 5, a threaded rod 6 is horizontally arranged at the center of the movable plate 5, the movable plate 5 is sleeved on the threaded rod 6 in a threaded manner, a bearing seat 7 is fixedly arranged on one side of the bottom of the feeding port 2, one end of the threaded rod 6 extends into the bearing seat, a rotating handle 8 is fixedly welded on the other end of the threaded rod 6, ear chambers are arranged on two sides of the device body 1, a second discharge port 18 is arranged below the ear chamber at one side close to the feeding port 2, a first discharge port 16 is arranged above the ear chamber at one side far away from the feeding port, an inclined plate 9 is fixedly arranged at the bottom end inside the ear chamber, one end of the inclined plate 9 far away from the device body 1 is higher than one end of the inclined plate near the device body 1, a motor 10 is fixedly arranged at one side of the inclined plate 9 near the device body 1, one end of an output shaft of the motor 10 is fixedly connected with an eccentric wheel 11, a limiting groove 12 is fixedly arranged at one side of the inclined plate 9 far away from the device body 1, a spring 13 is arranged inside the limiting groove 12, one end of the spring 13 is fixedly connected with the top end of the inclined plate 9, the other end of the spring 13 is fixedly connected with a movable plate 14, the other side of the movable plate 14 is rotatably connected with a screen mesh, the screen mesh in, the other side of the coarse screen 15 is rotatably connected with the bottom end of one side of the first discharge hole 16, the other side of the fine screen 17 is rotatably connected with the bottom end of one side of the second discharge hole 18, a fine material box 19 is installed at the bottom of the device body 1, and a drawing handle 20 is fixedly arranged on one side of the fine material box 19.
In this embodiment, the feeding port 2 is a Y-shaped structure, the extension plate 3 is slidably worn on the lower half portion of the feeding port 2, the horizontal height of the ear chamber on one side close to the feeding port 2 is higher than the horizontal height of the first discharge port 16, the horizontal height of the first discharge port 16 is higher than the horizontal height of the ear chamber on one side far from the feeding port 2, the horizontal height of the ear chamber on one side far from the feeding port 2 is higher than the horizontal height of the second discharge port 18, the bottom end of the coarse screen 15 is tightly close to the eccentric wheel 11 in the ear chamber on one side close to the feeding port 2, the bottom end of the fine screen 17 is tightly close to the eccentric wheel 11 in the ear chamber on one side far from the feeding port 2, the fine material box 19 is of a drawer-type structure, the slide-type structure is arranged at the bottom of the device body 1, the ear chambers are fixedly mounted on two sides of the device body.
In the embodiment, when the ore screening device is used, the threaded rod 6 is driven to rotate by rotating the rotating handle 8 from the feeding port 2 to the ore feeding port, the moving plate 5 is driven to move left and right, the extending plate 3 and the baffle plate 4 are driven to move left and right, the size of an opening at the bottom of the feeding port 2 is adjusted, the feeding speed of the ore entering the screening device is controlled, the eccentric wheel 11 is driven to rotate by the motor 10, the screen close to the eccentric wheel 11 continuously vibrates back and forth under the limitation of the moving plate 14, the spring 13 and the limiting groove 12, the ore is prevented from being retained on the screen, larger ore flows out from the first discharging port 16 through the coarse screen 15, other ore falls on the fine screen 17, medium ore flows out from the second discharging port 18, and smaller ore falls into the fine material box 19.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides an intelligent ore sieving mechanism, including device body (1), a serial communication port, device body (1) is the cavity structure, pan feeding mouth (2) have been seted up to top one side of device body (1), the bottom of pan feeding mouth (2) is worn extension board (3) that two levels set up with the one side slip, two extension board (3) are located the vertical fixedly connected with baffle (4) of one end of pan feeding mouth (2) inside, the vertical fixedly connected with movable plate (5) of the other end of extension board (3), the central level of movable plate (5) is provided with threaded rod (6), and movable plate (5) thread bush is established on threaded rod (6), bottom one side fixed mounting of pan feeding mouth (2) has bearing frame (7), the one end of threaded rod (6) extends to in the bearing frame, the other end fixed welding of threaded rod (6) has turning handle (8), the device comprises a device body (1), ear chambers are arranged on two sides of the device body (1), the ear chamber close to one side of a feeding port (2) is higher than the ear chamber far away from one side of the feeding port, a second discharge port (18) is arranged below the ear chamber close to one side of the feeding port (2), a first discharge port (16) is arranged above the ear chamber far away from one side of the feeding port, an inclined plate (9) is fixedly arranged at the inner bottom end of each ear chamber, one end, away from the device body (1), of the inclined plate (9) is higher than one end, close to the device body (1), of the inclined plate (9), a motor (10) is fixedly installed on one side, close to the device body (1), of the inclined plate (9), an eccentric wheel (11) is fixedly connected with one end of an output shaft of the motor (10), a limiting groove (12) is fixedly arranged on one side, away from the device body (1), of the inclined plate (9, the other end fixedly connected with fly leaf (14) of spring (13), the opposite side of fly leaf (14) is rotated and is connected with the screen cloth, the screen cloth that is close to in pan feeding mouth (2) one side earmuff is coarse screening net (15), the screen cloth that keeps away from in pan feeding mouth (2) one side earmuff is fine screening net (17), the opposite side of coarse screening net (15) is rotated and is connected in one side bottom of first discharge gate (16), the opposite side of fine screening net (17) is rotated and is connected in one side bottom of second discharge gate (18), smart magazine (19) are installed to the bottom of device body (1), one side of smart magazine (19) is fixed and is provided with pull handle (20.
2. An intelligent ore screening device according to claim 1, wherein the inlet (2) is of a Y-shaped structure, and the extension plate (3) is slidably inserted into the lower half of the inlet (2).
3. The intelligent ore screening device according to claim 1, wherein the level of the ear chamber on the side close to the feeding port (2) is higher than the level of the first discharging port (16), the level of the first discharging port (16) is higher than the level of the ear chamber on the side far from the feeding port (2), and the level of the ear chamber on the side far from the feeding port (2) is higher than the level of the second discharging port (18).
4. An intelligent ore screening apparatus according to claim 1, wherein the bottom end of the coarse screen (15) abuts against an eccentric (11) in the ear chamber on the side adjacent to the inlet (2).
5. An intelligent ore screening apparatus according to claim 1, wherein the bottom end of the fine screen (17) abuts against an eccentric (11) in the ear chamber on the side remote from the inlet (2).
6. An intelligent ore screening device according to claim 1, wherein the concentrate box (19) is of a drawer type structure and is slidably arranged at the bottom of the device body (1).
7. The intelligent ore screening device according to claim 1, wherein the ear chambers are fixedly installed at two sides of the device body (1), an opening is formed in one side of each ear chamber close to the device body (1), and cavities of the ear chambers are communicated with the cavities of the device body (1).
CN201810384996.9A 2018-04-26 2018-04-26 Intelligent ore sieving mechanism Expired - Fee Related CN108580255B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810384996.9A CN108580255B (en) 2018-04-26 2018-04-26 Intelligent ore sieving mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810384996.9A CN108580255B (en) 2018-04-26 2018-04-26 Intelligent ore sieving mechanism

Publications (2)

Publication Number Publication Date
CN108580255A CN108580255A (en) 2018-09-28
CN108580255B true CN108580255B (en) 2021-04-06

Family

ID=63609671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810384996.9A Expired - Fee Related CN108580255B (en) 2018-04-26 2018-04-26 Intelligent ore sieving mechanism

Country Status (1)

Country Link
CN (1) CN108580255B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111957553A (en) * 2020-08-13 2020-11-20 苏州格瑞格登新材料科技有限公司 Multistage sieving mechanism of intermittent type unloading formula for building
CN111957562A (en) * 2020-08-24 2020-11-20 付永生 Efficient screening equipment for large-scale dry powder filtration
CN112655759A (en) * 2020-12-16 2021-04-16 湖北盛琪达工程科技有限公司 Gas separation discharging structure of batch type circulating grain drying barn bottom discharging port
CN114653725B (en) * 2022-04-02 2023-11-10 王震 Intelligent disposal sorting system based on civil engineering waste

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140060824A (en) * 2012-11-12 2014-05-21 주식회사 포스코 Treatment apparatus for raw material and the method thereof
CN104148277A (en) * 2014-06-23 2014-11-19 潘纪鸿 Vibration ore screening device
CN104707781A (en) * 2013-12-14 2015-06-17 山东亿恺仓储工程有限公司 Grain vibration cleaning sieve
CN204503563U (en) * 2015-04-07 2015-07-29 广东梅雁吉祥水电股份有限公司 A kind of ore screening device
CN205613693U (en) * 2016-04-29 2016-10-05 阳新鹏富矿业有限公司 Vibration screening equipment for ore
CN106311598A (en) * 2016-11-14 2017-01-11 湖南胡家园茶业有限公司 Sealed tea vibration circular screening machine
CN107029987A (en) * 2017-04-26 2017-08-11 新乡市振英机械设备有限公司 A kind of multilayer closed vibration sieve
CN107185819A (en) * 2017-07-17 2017-09-22 太仓秦风广告传媒有限公司 A kind of ore machinery with Automatic-feeding function uses ore screening device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140060824A (en) * 2012-11-12 2014-05-21 주식회사 포스코 Treatment apparatus for raw material and the method thereof
CN104707781A (en) * 2013-12-14 2015-06-17 山东亿恺仓储工程有限公司 Grain vibration cleaning sieve
CN104148277A (en) * 2014-06-23 2014-11-19 潘纪鸿 Vibration ore screening device
CN204503563U (en) * 2015-04-07 2015-07-29 广东梅雁吉祥水电股份有限公司 A kind of ore screening device
CN205613693U (en) * 2016-04-29 2016-10-05 阳新鹏富矿业有限公司 Vibration screening equipment for ore
CN106311598A (en) * 2016-11-14 2017-01-11 湖南胡家园茶业有限公司 Sealed tea vibration circular screening machine
CN107029987A (en) * 2017-04-26 2017-08-11 新乡市振英机械设备有限公司 A kind of multilayer closed vibration sieve
CN107185819A (en) * 2017-07-17 2017-09-22 太仓秦风广告传媒有限公司 A kind of ore machinery with Automatic-feeding function uses ore screening device

Also Published As

Publication number Publication date
CN108580255A (en) 2018-09-28

Similar Documents

Publication Publication Date Title
CN108580255B (en) Intelligent ore sieving mechanism
CN213791845U (en) Automatic grinding device of non ferrous metal powder
CN212791771U (en) Sieving mechanism is used in traditional chinese medicine processing
CN216679019U (en) Sieving mechanism is used in scented tea processing
CN108580249A (en) A kind of swing type battery screening machine
CN207413608U (en) A kind of titanium sponge automatic sorting device
CN208679734U (en) A kind of cotton seeds processing cleaning plant
CN116237137A (en) Screen removing equipment and method for improving powder purity
CN216500577U (en) Grit divides screen (ing) machine that work efficiency is high
CN213445202U (en) Automatic feeding device of tea processing machine
CN215087639U (en) Feed caking raw and other materials are selected separately and are broken up device
CN115318402A (en) High polymer material crushing device and crushing method
CN211027061U (en) Pesticide powder sieving machine
CN208004290U (en) A kind of vibrating screen
CN113000352B (en) High oleic acid peanut is planted and is selected kind and use equipment
CN213349651U (en) Automatic material screening machine for processing
CN216728231U (en) Electromechanical accessory sieving mechanism that uses with adjustable sieve mesh
CN219273626U (en) Granule screening machine
CN218359781U (en) Multistage screening plant of quartz sand
CN217369740U (en) Integrated soil improvement device
CN220900672U (en) Artificial diamond sieving mechanism
CN218048916U (en) Coal screening plant is used in green development of coal resource
CN219052109U (en) Powder sorting machine for diamond catalyst powder production
CN215784806U (en) Multilayer graded alumina powder rocking sieve with noise reduction function
CN214515899U (en) Vibrating device of tea winnowing machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20210319

Address after: 010000 Huhe Town, wulateqian banner, Bayannaoer City, Inner Mongolia Autonomous Region

Applicant after: Yuanda Trading Co.,Ltd.

Address before: 236000 Room 301, 168 Zhifu Road, Yingdong District, Fuyang City, Anhui Province

Applicant before: FUYANG SHENGDONG INTELLIGENT MANUFACTURING TECHNOLOGY DEVELOPMENT Co.,Ltd.

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210406