baber/WOPTO huggingface dataset:
Patent KR-102311236-B1 (KR)
Title: Method for measuring speed using deep-learning object detection and tracking and system thereof
Inventor: TAEIL HUR
IPC: G01P3/68
Filed: 2021-04-01
Granted: 2021-10-13
Abstract: A method for measuring speed using deep-learning object detection and tracking is disclosed. According to an aspect of the present invention, a method for measuring speed using deep-learning object detection and tracking includes the steps of: allowing a first receiving part to receive an image taken in real time from a camera; allowing a first bounding box generating part to generate a first bounding box by three-dimensionally detecting and recognizing an object included in the image at a first time point; allowing an object information generating part to generate object information including type and size information of the object by analyzing the first bounding box; allowing a movement data generating part to generate movement data according to the size information by detecting and tracking the object included in the image at a second time point; and allowing a speed calculation part to calculate the speed of the object according to the movement data and the time difference between the first time point and the second time point.
Patent KR-102603664-B1 (KR)
IPC: G01N27/414
Filed: 2021-04-09
Granted: 2023-11-16
Abstract: 용매 저항성 유기반도체 기반 패턴인식형 화학센서 어레이 및 그의 제조방법을 개시한다. 상기 패턴인식형 화학센서 어레이는 기판 및 상기 기판 상에 형성된 복수개의 유기 트랜지스터를 포함하는 유기 트랜지스터 패턴을 포함하고, 상기 유기 트랜지스터는 게이트 전극; 상기 게이트 전극 상에 위치하는 절연층; 상기 절연층 상에 위치하고, 가교된 유기 반도체를 포함하는 활성층; 상기 절연층 상에 위치하는 소스 전극 및 드레인 전극; 및 상기 활성층 상에 위치하는 기능화층;을 포함하는 것이다. 상기 패턴인식형 화학센서 어레이는 용매 저항성이 뛰어난 유기반도체와 다양한 종류의 컨테이너 분자를 도입하여 화학물질을 탐지함에 따라 나타나는 전기적 신호를 패턴으로 변환하여 기존의 단일 화학센서에 비해 월등히 향상된 화학물질 감지능력을 갖는 효과가 있다.
Patent KR-102325688-B1 (KR)
Title: Train control system with integrated safety communication interface and method for operating the same
IPC: B61L27/00
Filed: 2021-04-21
Granted: 2021-11-12
Abstract: Disclosed are a train control system with an integrated safety communication interface and a method for operating the same. The train control system with an integrated safety communication interface according to an embodiment of the present application includes: a message receiving unit which obtains a message to be transmitted to at least one of an RBC safety transmission unit on the ground and a KVC safety transmission unit on a vehicle; a message analysis unit which branches the message based on a data analysis result for the message; and a safety protocol unit which performs safety protocol processing including data integrity verification and source authentication for the message by classifying the safety protocol processing according to a result of the branching.
Patent KR-102302632-B1 (KR)
Title: Door handle with UV sterilization function
Inventor: NAM NA YEON
IPC: A61L2/24
Filed: 2021-04-23
Granted: 2021-09-16
Abstract: The present invention relates to a door handle equipped with a UV sterilization function, which can perform UV sterilizing action in accordance with the rotation of a lever switch every time a door is opened and closed, thereby reducing the risk of virus infection due to contact of multiple users and realizing safer usage. To implement this, the present invention provides a door handle, comprising: an inner housing (10) and an outer housing (10') provided symmetrically on the inside and the outside of the door, respectively; a latch bolt (11) linear-movably protruding on the side wall of the door to set a state of being locked with a door frame; and a power transmission member (20) transmitting a moving force to the latch bolt (11) by the operation of lever switches (12) provided in the inner housing (10) and the outer housing (10'), wherein UV lamps (13) emitting UV light for the surface sterilizing action of the lever switches (12) are formed in the inner housing (10) and the outer housing (10').
Patent KR-102434427-B1 (KR)
Inventor: SI JONG MIN
IPC: B63B25/16
Filed: 2021-04-27
Granted: 2022-08-22
Abstract: The present invention relates to a spray insulation apparatus for a cryogenic tank using a separation member and a construction method thereof. The spray insulation apparatus for the cryogenic tank using the separation member comprises: a separation member coupled on an outer side of the tank; a separation object which is coupled to the separation member and is extended in a plate shape along the outer side of the tank to cover the outer side of the tank; a reinforcement material which is coupled on the outer side of the tank to protrude from the outer side of the tank and has a plate-shaped support unit; and a spraying material which is sprayed on the separation object provided on the outer side of the tank with a spraying method after the reinforcement material is coupled to the tank. A separation space is formed between the separation object and the outer side of the tank. The construction method of the spray insulation apparatus for the cryogenic tank using the separation member includes a separation member installation step, a separation object installation step, a reinforcement material installation step, and a spraying step. The present invention has the advantage of quickly constructing an insulating device.
Patent KR-102311823-B1 (KR)
Title: Band of Saftey Purse Line
Inventor: KIM JUNG SOK
IPC: D03D13/00
Filed: 2021-04-28
Granted: 2021-10-12
Abstract: The present invention relates to a band of a safety lanyard, of which one end is attached to and detached from a structure, and the other end is attached to and detached from a safety belt worn by a person. The present invention comprises: a core which is stretched by the load during the falling of a person to absorb the impact load; and an outer skin surrounding the core. The core is formed after a weft and a warp are woven, wherein the warp is made of an unstretched fiber which is stretched by the load applied in a longitudinal direction, and a first stretchable fiber with elasticity is arranged to be in parallel with the warp to be woven with the weft at a first interval, and the part of the warp arranged between the wefts with which the first stretchable fiber is woven and the weft protrude to the outside in a width direction. The outer skin is formed after a weft and a warp are woven, wherein a second stretchable fiber with elasticity is arranged to be in parallel with the warp to be woven with the weft at a second interval which is greater than the first interval, and the part of the warp arranged between the wefts with which the stretchable fiber is woven and the weft protrude to the outside in a width direction. Each of both end portions of the core is fixedly coupled to the end portion of the outer skin such that the load applied in the longitudinal direction of the band is applied to the core and the outer skin. The band is elastically stretched and contracted by the load applied in the longitudinal direction by means of the elasticity of the stretchable fiber constituting the core and the outer skin within the limit in which the creases of the core are unfolded, and the warp constituting the core is elongated within the limit in which the creases of the outer skin are unfolded to absorb the load. Therefore, a user can be prevented from falling.
Patent KR-102496924-B1 (KR)
IPC: G05B23/02
Filed: 2021-05-04
Granted: 2023-02-07
Abstract: 본 발명은 고장예측모델을 기반으로 하는 예지보전 운영시스템에 관한 것이다. 본 발명의 일실시 예에 따른 고장예측모델을 기반으로 하는 예지보전 운영시스템은 하나 이상이 발전소에서 구축된 하나 이상의 비용분할구조(CBS) 모델의 기간 및 고장모드의 발생확률을 예측하며, 예측한 발생확률을 데이터베이스에 저장하는 고장예측모듈과, 고장예측모듈 또는 데이터베이스에 저장된 고장모드의 종류 및 고장확률을 기반으로 비용분할구조 모델별 발생할 고장모드의 종류 및 고장확률을 결정하고, 최하위 레벨, 중간 레벨, 상위 레벨, 최상위 레벨의 비용분할구조 별 고장모드 및 고장확률을 각각 결정하는 고장확률 계산모듈과, 고장확률 계산모듈에서 각각 결정한 최하위 레벨, 중간 레벨, 상위 레벨, 최상위 레벨의 비용분할구조 별 고장모드 및 고장확률을 기반으로 비용분할구조 별 고장에 의한 손실 비용과, 고장 해결을 위한 투입 비용을 관리하는 고장비용 관리모듈과, 고장비용 관리모듈에서 관리하는 손실비용 및 투입 비용을 기반으로 비용분할구조 별 금액을 고려한 예지보전 확률을 계산하고, 이를 기반으로 실시 여부를 판단하는 예지보전 수립모듈과, 데이터베이스에 기 설정된 주기별로 고장예측모듈을 실행시키고, 예지보전 수립모듈에서 산출한 예지보전 확률 및 실시 여부를 기반으로 예지보전 보고서를 생성하는 예지보전 관리모듈을 포함한다.
Patent KR-102535950-B1 (KR)
IPC: B25J5/00
Filed: 2021-05-06
Granted: 2023-05-26
Abstract: 표면 검사용 모바일 구동 플랫폼은 대상체의 표면을 따라 이동되며, 복수의 검사유닛들 및 프레임유닛을 포함한다.  상기 검사유닛들은 상기 표면에 따라 상대적인 위치가 가변된다.  상기 프레임유닛은 상기 검사유닛들 각각이 상대적으로 회전 가능하도록 상기 검사유닛들을 서로 연결하고, 상기 검사유닛들 각각으로 물을 제공한다.  상기 검사유닛들 각각은, 상기 제공된 물을 저장하는 수막공간을 형성하는 수막형성유닛, 및 상기 수막공간에 형성되는 수막을 통해 상기 표면 상태를 검사하는 센서유닛을 포함한다.
Patent KR-102286598-B1 (KR)
Title: Earthquake-resistant type distribution board
Inventor: KIM SUN TAE
IPC: F16F15/04
Filed: 2021-05-07
Granted: 2021-08-05
Abstract: According to the present invention, provided is an earthquake-proof incoming transfer board capable of absorbing and roll vibrations as well as earthquake vibrations in horizontal and vertical directions to damp earthquake energy. According to the present invention, upper and lower mounts are placed at a predetermined distance, a socket is combined with the center of the bottom of the upper mount, a stud inserted into the socket is combined with the center of an upper side of the lower mount, a hook extension spring for absorbing roll vibrations is mounted in a corner part of every side of the lower mount, a first square cross section spring for elastically maintaining a vertical distance between the socket and the stud and absorbing vibrations in a vertical direction is mounted, and a second square cross section spring for elastically maintaining forward and backward and lateral distances between the socket and the stud and absorbing vibrations in a horizontal direction is mounted.
Patent KR-102430182-B1 (KR)
Title: Storage device, storage system, and method of secure data movement between storage devices
Inventor: VENKATARAMAN GAYATHIRI
IPC: G06F21/78
Filed: 2021-05-07
Granted: 2022-08-05
Abstract: Provided are a storage device, a storage system including the same, and a method for safe data transfer between storage devices. The storage device includes: a storage memory component which stores requested data in an encrypted format; and a storage controller which is connected to the storage memory member via a storage interface. The storage controller receives commands and decryption override directives from a host device through a host interface to read the data requested from the storage memory member, responds to the commands to retrieve the requested data in an encrypted format from the storage memory component, and responds to the decryption override directives to transfer the requested data in the encrypted format to a destination storage device through a transfer layer.
Patent KR-102344119-B1 (KR)
Title: Method for servicing trading of precious metals
Inventor: LEE HAN JIN
IPC: G06Q30/06
Filed: 2021-05-07
Granted: 2021-12-28
Abstract: In accordance with the present invention, a precious metal trading service method includes the following steps of: enabling a user of a communication terminal to make a purchase request for a precious metal by accessing a precious metal service server; searching for a membership class of the user to determine a discount rate for the precious metal; informing the communication terminal of the determined discount rate; when receiving a deposit of payment as well as a purchase decision message from the communication terminal, confirming whether accumulation or actual goods shipment is requested for the precious metal; when accumulation is requested, accumulating the precious metal in a moneybox assigned to the user, and generating an accumulation confirmation message to transmit the same to the communication terminal; and when actual goods shipment is requested, generating a delivery notification message to transmit the same to the communication terminal. Therefore, the present invention is capable of considerably expanding accessibility to precious metal investment.
Patent KR-102623064-B1 (KR)
Title: 이중 샤워헤드를 포함하는 화학기상증착 반응기
IPC: C23C16/455
Filed: 2021-05-25
Granted: 2024-01-10
Abstract: 본 발명의 실시예에 따른 화학기상증착 반응기는 소스기체인 개시제 및 단량체를 각각 가열하는 복수의 캐니스터, 캐니스터로부터 가열된 각각의 소스기체가 반응기 내부로 분리되어 유입될 수 있도록 배치되는 복수의 가스라인, 복수의 캐니스터 및 복수의 가스라인 각각에 연결되어 반응기 내부로 소스기체를 투입하도록 복수로 배치되는 복수의 투입구, 복수의 투입구를 통해 유입된 소스기체가 반응기 내부에서 균일하게 확산되어 하강할 수 있도록 배치되는 샤워헤드본체, 샤워헤드본체 하부에 배치되며, 단량체를 활성화시키기 위해 개시제에 열에너지를 공급하여 라디칼화시키는 필라멘트, 필라멘트 하부에 배치되고, 필라멘트로부터 방사되는 열에너지가 하부로 방사되는 것을 차단하며, 소스기체가 반응기 내부에서 균일하게 확산되어 하강할 수 있도록 하는 이너샤워헤드, 단량체의 중합반응에 의해 고분자 유기 박막이 증착되는 기재가 놓여지고, 기재를 냉각하는 냉각스테이지 및 냉매를 통해 냉각스테이지를 냉각하는 냉각부를 포함하여, 단차가 있는 기재에도 균일한 박막 증착을 가능하게 하고, 냉각효율을 향상시켜 성막 속도를 증가시킴으로써, 고품질의 고분자 유기 박막을 형성할 수 있도록 한다.
Patent KR-102395208-B1 (KR)
Title: 길이가 64800이며, 부호율이 5/15인 ldpc 부호어 및 64-심볼 맵핑을 위한 비트 인터리버 및 이를 이용한 비트 인터리빙 방법
IPC: H03M13/27
Filed: 2021-05-26
Granted: 2022-05-10
Abstract: 비트 인터리버, BICM 장치 및 비트 인터리빙 방법이 개시된다.  본 발명의 일실시예에 따른 비트 인터리버는 길이가 64800이고 부호율이 5/15인 LDPC 부호어를 저장하는 제1 메모리; 상기 LDPC 부호어를, 상기 LDPC 부호어의 패러럴 팩터(parallel factor)에 상응하는 사이즈의 비트그룹 단위로 인터리빙하여 인터리빙된 부호어를 생성하는 프로세서; 및 상기 인터리빙된 부호어를 64-심볼 맵핑을 위한 변조기로 제공하는 제2 메모리를 포함한다.
Patent KR-102474420-B1 (KR)
Inventor: PARK SI WOO
IPC: G01N3/50
Filed: 2021-05-28
Granted: 2022-12-06
Abstract: Disclosed is a roll performance evaluation device to evaluate the wear resistance of fixed rolls or pressing rolls. According to the present invention, the roll performance evaluation device comprises: a frame (100); a fixed roll (210) formed in a cylindrical shape and disposed in the left and right directions on the upper surface of the frame (100) and rotatably coupled to a first coupling member (220); a fixed roll driving unit (200) providing power for the fixed roll (210) to rotate around a fixed roll shaft (212); a pressing roll (310) formed in a cylindrical shape, and spaced apart from the fixed roll (210) at a predetermined interval and disposed in the left and right directions on the upper surface of the frame (100) to be rotatably coupled to a second coupling member (320); a pressing roll transfer unit (300) providing power to allow the pressure roll (310) to reciprocate in the forward and backward directions of the frame (100); a plurality of sensor units measuring the fixed roll (210) or the pressing roll (310) to transmit data to a control unit (600); and the control unit (600) controlling the overall operation of the roll performance evaluation device. The control unit (600) evaluates the performance of the roll on the basis of the data measured by the sensor units.
Patent KR-102328059-B1 (KR)
Title: Apparatus for skin care
IPC: A61M35/00
Filed: 2021-05-28
Granted: 2021-11-17
Abstract: The present invention relates to a skin care apparatus using plasma. The apparatus includes: an interface unit receiving a user command; a plasma generating unit generating plasma for skin irradiation; a drive unit applying a first voltage to the plasma generating unit via a plurality of channels; a switching unit individually turning on and off the channels of the drive unit; and a control unit controlling the switching unit based on the received user command. The plasma generating unit includes: high-voltage units respectively connected to the channels and boosting the applied first voltage to a second voltage; and electrode units respectively connected to the high-voltage units and generating plasma corresponding to the second voltage.
Patent KR-102301135-B1 (KR)
Title: Wire load sensing device of submersible sludge collector
Inventor: PARK DAE DONG
IPC: G01L5/04
Filed: 2021-06-03
Granted: 2021-09-10
Abstract: The present invention relates to a wire load detection apparatus for a submersible sludge collector, which is able to detect a load on a wire of the submersible sludge collector. According to the present invention, the wire load detection apparatus for a submersible sludge collector comprises a means (A6) which is installed on a wire (A4) connected from a submersible cart (A3) of the submersible (A3) sludge collector to a winding drum (A5) on the ground for detecting the load of the wire (A4). The means (A6) comprises: a mounting bracket (10) installed on the floor; a first hinge shaft (21) configured on one side of the mounting bracket (10); a second hinge shaft (22) configured on an upper side of the first hinge shaft (21); a third hinge shaft (23) configured on the other side of the second hinge shaft (22); a fourth hinge shaft (24) configured on the other side of the mounting bracket (10); an operation bracket (30) configured to connect the mounting bracket (10) to the first hinge shaft (21), the second hinge shaft (22), and the third hinge shaft (23); a wire pulley (40) installed on the second hinge shaft (22) of the operation bracket (30); and a tension-type load sensor connected to the part between the third hinge shaft (23) of the operation bracket (30) and the fourth hinge shaft (24) of the mounting bracket (10) by a link.
Patent KR-102392884-B1 (KR)
Inventor: KIM JUN SEOK
IPC: A21D2/36
Filed: 2021-06-04
Granted: 2022-05-02
Abstract: A method for manufacturing frozen dough for ciabatta according to the present invention comprises: (a) a step of manufacturing sour type (natural fermentation type) dough; (b) a step of manufacturing Levain dough; (c) a step of manufacturing dough by mixing flour, the sour type (natural fermentation type) dough, the Levain dough, a fermenting agent, salt, yeast, olive oil, water, and potato powder; (d) a step of fermenting and molding the dough manufactured in the (c) step; and (e) a step of freezing the dough molded in the (d) step. The present invention facilitates long-term storage by inhibiting frozen disorder which is a disadvantage of the frozen dough such as frozen dough of yeast due to growth of ice crystal, freezing denaturation of wheat protein, and collapse of a gluten network. The present invention is less reduction in volume of bread after baking, provides moist and soft texture with high moisture, maintains unique flavor of the ciabatta, delays aging, and extends an expiration date of the dough. In addition, the present invention makes the frozen dough of a ciabatta product, easily bakes the frozen dough of the ciabatta with only defrosting and fermenting without difficult manufacturing steps in a consumer or a business, and provides unique flavor and taste of the ciabatta.
Patent KR-102549907-B1 (KR)
Title: 단일염기확장방법을 이용한 미토콘드리아 dna 변이부위의 길이 다형성 헤테로플라스미 해석 방법
IPC: C12Q1/6827
Filed: 2021-06-08
Granted: 2023-06-30
Abstract: 본 발명은 미토콘드리아 DNA 변이부위의 길이 다형성 헤테로플라스미 해석을 위한 염기서열 분석 방법에 관한 것으로, 상세하게는 C-스트레치 부위의 서열 또는 그의 상보적인 서열에 특이적으로 결합할 수 있되, 사이토신 또는 구아닌이 연속적으로 배열되는 제 1 프라이머; 상기 제 1 프라이머보다 1개 더 많은 사이토신 또는 구아닌을 포함하는 제 2 프라이머; 및 상기 제 2 프라이머보다 1개 더 많은 사이토신 또는 구아닌을 포함하는 제 3 프라이머;를 포함하는 프라이머 혼합물을 이용하여 단일염기확장방법을 수행함으로써, mtDNA 길이 다형성 헤테로플라스미를 우수한 정확성으로 해석할 수 있는 분석 방법에 관한 것이다.
Patent KR-102434852-B1 (KR)
Inventor: EUM KI YOUNG
IPC: E21D9/06
Filed: 2021-06-08
Granted: 2022-08-22
Abstract: A length-extended double-pressure pipe for semi-shield and a semi-shield propulsion method using the same are provided. By extending the length of the double-pressure pipe for semi-shield compared to the length of an existing double-pressure pipe, an operating stroke range of an actuator can be expanded to make it possible to press in longer. Accordingly, long-distance excavation propulsion is possible, and excavation speed can be increased in the semi-shield method. In addition, long-distance excavation is possible by adding a circular segment block to remaining space by press-fitting the double-pressure pipe between a follow-up pipe and a lead propulsion pipe, and it is easy to dismantle after construction. In addition, by connecting through a connecting pin between the propulsion pipe and the actuator, the connection pin can be easily released after the construction of the propulsion pipe is completed. The semi-shield propulsion method using a length-extended double-pressure pipe for semi-shield includes steps of: a) excavating the ground using tunnel excavation equipment according to a semi-shield method; b) arranging a lead propulsion pipe, a length-extended double-pressure pipe, and a follow-up propulsion pipe on the excavated ground; and c) joining one end of the double-pressure pipe of the length extended double-pressure pipe to the lead propulsion pipe, and caulking the other end of the double-pressure pipe to the outer circumferential surface of the follow-up propulsion pipe.
Patent KR-102438154-B1 (KR)
IPC: H04L1/00
Filed: 2021-06-08
Granted: 2022-08-31
Abstract: 송신 장치가 개시된다. 본 송신 장치는 LDPC 부호화를 수행하여 LDPC 부호어를 생성하는 부호화부, LDPC 부호어를 인터리빙하는 인터리버 및 변조 방식에 따라 인터리빙된 LDPC 부호어를 변조하여 변조 심볼을 생성하는 변조부를 포함하며, 인터리버는 LDPC 부호어를 복수의 비트 그룹으로 구분하고, 복수의 비트 그룹의 순서를 비트 그룹 단위로 재정렬하고, 재정렬된 복수의 비트 그룹을 변조 방식에 따른 변조 차수에 따라 구분하여 인터리빙한다.
Patent KR-102334653-B1 (KR)
IPC: G01N21/956
Filed: 2021-06-17
Granted: 2021-12-07
Abstract: 폐기물 품질을 즉시 검사하기 위한 장치는 투명 튜브 세그먼트, 조명 장치, 이미지 획득 장치 및 신호 처리 모듈을 포함한다. 투명 튜브 세그먼트에는 폐액이 함유된다. 조명 장치는 투명 튜브 세그먼트에 조명 광을 제공한다. 이미지 획득 장치는 적어도 하나의 이미지 신호를 생성하기 위해 조명된 투명 튜브 세그먼트의 이미지를 획득한다. 신호 처리 모듈은 적어도 하나의 이미지 신호를 수신하고 이미지 신호에 따라 폐액의 품질을 결정하기 위해 이미지 획득 장치에 전기적으로 결합된다.
Patent KR-102327419-B1 (KR)
Title: Work die
IPC: E04G1/28
Filed: 2021-06-24
Granted: 2021-11-16
Abstract: The present invention relates to a work die comprising: a pair of supporting legs arranged with a gap therebetween; a prop supported on the supporting legs and separated by a predetermined interval from the ground; and a pair of stands combined with both sides of the upper part of the supporting legs and supporting the bottom surface of the prop. The supporting legs include: a first supporting unit combined with one side and the other side of the prop and having the stands combined therewith; a second supporting unit combined with the first supporting unit by a folding guide to be able to be folded and capable of being folded to be horizontal or being unfolded vertically; and a third supporting unit combined to be able to slide along an inner space of the second supporting unit. The prop includes: a center supporting unit having a guide hole formed therein to guide slide; and a side supporting unit formed long in the lengthwise direction of the center supporting unit, composed of a pair of two to be inserted into both sides of the center supporting unit respectively, combined to be able to slide along the guide hole of the center supporting unit to adjust an interval therebetween, and combined with the first supporting unit, or includes: a side supporting unit composed of a pair of two having a certain area being in contact with each other, and combined with the first supporting unit; and a band unit mounted on the contact part of the side supporting unit. Therefore, provided is a work die functioning as a foothold and capable of adjusting the height thereof.
Patent KR-102479747-B1 (KR)
Title: Nipper for nail care
Inventor: SON TAE HWAN
IPC: A45D29/16
Filed: 2021-06-28
Granted: 2022-12-20
Abstract: According to the present invention, nippers for nail art comprise a first body including a first cutting portion and a first grip portion coupled with the first cutting portion and a second body including a second cutting portion and a second grip portion coupled with the second cutting portion. The first cutting portion includes a first cutting blade and a first blade body, and the second cutting portion includes a second cutting blade and a second blade body, wherein the first cutting blade and the second cutting blade are formed to engage with each other when a user applies force by holding the first body and the second body. In addition, the first cutting blade and the second cutting blade include a metal material. Moreover, the first blade body and the second blade body may include a synthetic resin material having a certain frictional force not to be easily separated.
Patent KR-102327292-B1 (KR)
Title: Millstone apparatus
IPC: B02C7/18
Filed: 2021-07-05
Granted: 2021-11-16
Abstract: According to a disclosed millstone device comprising a lower part case member, an upper part case member, a lower part millstone member, an upper part millstone member, a millstone support rotation member, a rotation shaft member, and a stationary member, the millstone device allows the grain not to be bounced around while being grounded in an inner space of the lower part case member and the upper part case member, thereby having an advantage for which the grain can be grounded while preventing the surrounding pollution.