baber/WOPTO huggingface dataset:
Patent KR-20170089705-A (KR)
Title: Movable dispenser apparatus
Inventor: LEE TAE HUN
IPC: B67D7/02
Filed: 2016-01-27
Abstract: The present invention relates to a movable dispenser apparatus capable of directly inserting a predetermined amount into equipment requiring a calibrated color mixing process, and automatically linking with a management server wherein raw materials and mixing of paints are managed. According to the present invention, the apparatus comprises: at least one pigment reservoir; a pigment discharge pipe connected to the at least one pigment reservoir; a common pipe connected to the at least one pigment discharge pipe; at least one pigment pump to discharge pigment from the at least one pigment reservoir through the at least one pigment discharge pipe; a measurer capable of measuring the mass of pigment discharged and transferred in the pigment discharge pipe, the common pipe, or the reservoir; and a cart moving device wherein at least one solvent reservoir, at least one solvent discharge pipe, at least one solvent pump, and at least one fluid surface or flow rate measurer are installed, capable of being moved to a desired working position.
Patent KR-20170093023-A (KR)
Title: Organic compound for optoelectric device and organic optoelectric device and display device
Inventor: KIM BYUNG KU
IPC: H01L51/00
Filed: 2016-02-04
Abstract: The present invention relates to a compound for an organic photoelectronic device, an organic photoelectronic device having the same applied thereto, and a display device, wherein the compound is represented by chemical formula 1. The detailed descriptions with respect to the chemical formula 1 are the same as defined in the specification. The compound for an organic photoelectronic device can realize a highly efficient and long-lasting organic photoelectronic device.
Patent KR-20160100859-A (KR)
Inventor: KIM KYONG TAI
IPC: A61K31/4706
Filed: 2016-02-16
Abstract: The present invention relates to a novel use of a composition comprising an amodiaquine compound or a pharmaceutically acceptable salt thereof as active ingredients. More specifically, the use of the composition for preventing, alleviating, and treating metabolic disease is characterized by activating peroxisome proliferator-activated receptor-gamma (PPAR-) and peroxisome proliferator-activated receptor-alpha (PPAR-) of the composition which comprises the amodiaquine compound or the pharmaceutically acceptable salt thereof as the active ingredients.
Patent KR-20170097934-A (KR)
Title: 미디 파일의 트랙 정보를 제공하는 방법 및 장치
Inventor: HONG DONG GUEN
IPC: G11B27/02
Filed: 2016-02-19
Abstract: 전자 장치에 있어서, 디스플레이; 스피커; 상기 디스플레이 및 스피커와 전기적으로 연결된 프로세서; 및 상기 프로세서와 전기적으로 연결되어, 상기 디스플레이 또는 스피커 중 적어도 하나를 통해 제공될 미디 파일을 저장하는 메모리를 포함하고, 상기 메모리는, 실행 시에, 상기 프로세서가, 적어도 하나의 트랙을 포함하는 상기 미디 파일을 선택하는 입력을 수신하고, 상기 미디 파일의 데이터를 파싱(parsing)하여 상기 적어도 하나의 트랙에 관한 정보를 추출하고, 상기 적어도 하나의 트랙에 관한 정보를 리스트로 제공하도록 하는 인스트럭션을 저장할 수 있다. 이 밖의 다른 실시예도 가능하다.
Patent KR-20170099248-A (KR)
Title: 스마트 기저귀
Inventor: PARK JUN SANG
IPC: A61F13/42
Filed: 2016-02-23
Abstract: 본 발명의 스마트 기저귀는 사용자의 다리 사이에 채워지고 소변을 받아내는 기저귀; 상기 기저귀에서 상기 소변을 받는 영역에 설치되고 전기가 소통되는 패턴부; 상기 패턴부에 상기 소변을 감지하기 위한 전기 신호를 공급하는 프로세싱부;를 포함할 수 있다.
Patent KR-20170100086-A (KR)
Inventor: LEE JUN KYOUNG
IPC: B33Y30/00
Filed: 2016-02-24
Abstract: 본 발명은 공기순환이 가능한 3D프린터에 있어서, 내부에 3D성형물이 조형되는 조형판을 갖는 챔버와; 상기 챔버 내부의 공기를 순환시키는 적어도 하나의 토네이토팬과; 상기 토네이토팬를 제어하는 제어부를 포함하는 것을 기술적요지로 한다. 이에 의해 공기순환이 가능한 3D프린터는 비교적 간단한 구조로 챔버 내부의 공기순환을 통해 성형물의 품위를 향상시킬 수 있다.
Patent KR-20170100216-A (KR)
Inventor: BAEK WOON
IPC: A61B10/02
Filed: 2016-02-25
Abstract: 본 발명은 생체검사용 바늘조립체에 관한 것으로서, 생체검사용 바늘의 외경을 줄여 환부의 상처를 최소화하면서도 절단된 생체조직을 적은 흡인력으로 원활히 배출하도록 하며, 바늘 단면형상을 원형으로 부드러운 시술 할 수 있도록 하며, 커터 회전축의 흔들림을 최소화하도록 하는데, 이를 위하여, 바늘부의 원통 외부면에서 내측으로 가압된 가이드부가 외경을 대략 240도를 감싸듯이 형성되는 것을 특징으로 생체검사용 바늘 조립체에 관한 것이다.
Patent KR-20170103374-A (KR)
Title: Door frame molding device of vehicle
Inventor: LEE SANG JAE
IPC: B60R13/02
Filed: 2016-03-04
Abstract: The present invention relates to a door frame molding device of a vehicle, which is able to reduce production costs by eliminating a mounting clip for fixing a door weather strip and a mounting hole for fastening the mounting clip. To this end, the present invention comprises: a frame inner cover installed along a door frame inner side surface portion composing a vehicle door; and a door weather strip fixed and installed to the frame inner cover along the door frame and being stuck to a vehicle body when the door is closed, wherein the frame inner cover is formed to cover a side surface portion of an inner side of the door frame and an upper surface portion of the door frame that is a mounting portion of the door weather strip of the door frame. In addition, a retainer having a fixing portion of the door weather strip to be fitted and fixed to an inner side is formed.
Patent KR-20170104737-A (KR)
Inventor: KIM WOO SUP
IPC: H02M1/00
Filed: 2016-03-08
Abstract: According to the present invention, disclosed is a low-voltage high-current type converter. The disclosed invention includes: a housing; a high voltage connector installed in one side of the housing and connected to a high voltage battery to receive power from the high voltage battery; a transforming unit provided inside the housing, stepping down the power received through the high voltage connector, and outputting the power with a low-voltage high-current form; an output filter provided inside the other side of the housing and flattening the voltage of the power outputted from the transforming unit; a low voltage connector installed on the other side of the housing, connected to the low voltage battery to supply the power outputted through the output filter to the low voltage battery; and a line filter provided inside the housing and removing the noise of the power transmitted through the low voltage connector. Accordingly, the present invention can reduce a conduction loss and effectively deal with surge noise or EMC of an output terminal.
Patent KR-20170106723-A (KR)
Title: 사료 제조 플랜트
Inventor: KIM JUNG KWAN
IPC: B65B61/28
Filed: 2016-03-14
Abstract: 본 발명은 국내산 조사료의 연질화를 통해 고품질의 사료를 생산할 수 있고, 포장 라인의 교체를 통해 생산량의 증감이 가능하며, 농가의 사료비 부담을 경감하면서 품질 만족도는 향상시킬 수 있고, 근무인원 1명만으로 제품 생산이 가능하며, 재료 투입에서 제품 포장까지의 생산라인 전체를 일렬로 배치함으로써 근무인원과 작업장비가 안전하게 작업할 수 있는 시야와 동선을 확보할 수 있고, 사료를 후공정으로 이송하거나 해당 공정에서 가공할 때 분진이나 잔물 또는 악취가 작업장 내에 퍼지지 않게 함으로써 청결한 공장을 실현할 수 있으며, 플랜트 각부의 유지보수가 용이하게 이루어질 수 있는 사료 제조 플랜트에 관한 것이다. 
본 발명에 따른 사료 제조 플랜트는 한 쌍의 오거로 조사료를 세절하는 파쇄부와, 한 쌍의 오거로 다른 재료와 세절된 조사료를 혼합하여 사료를 제조하는 배합부와, 한 쌍의 오거로 사료를 일정량씩 배출하는 충진부와, 사료를 정량 포장하는 포장부와, 연속하는 두 공정 사이의 물질 이송을 위해 파쇄부와 배합부와 충진부와 포장부 사이에 설치하는 스크류 컨베이어와, 완제품을 적재 및 반출 공정으로 이송하는 벨트 컨베이어를 포함하여 구성되며, 파쇄부와 배합부와 충진부와 포장부와 벨트 컨베이어가 이 순서로 일렬 배치된 것을 특징으로 한다.
Patent KR-20170107258-A (KR)
Title: Electronic wagon for campaign
Inventor: RYU JUNG UE
IPC: G09F21/04
Filed: 2016-03-15
Abstract: According to the present invention, an electronic wagon for campaigning comprises: an electronic wagon body; a display unit installed in the body; and an operation unit adjusting the electronic wagon body and the display unit. According to the present invention, the electronic wagon for campaigning is able to be used indoors and outdoors.
Patent KR-20170107722-A (KR)
Title: Drive assistance appratus and control method for the same
Inventor: KIM JEONG SU
IPC: B60W40/076
Filed: 2016-03-16
Abstract: The present invention relates to a driver assist system and a control method thereof. The present invention includes: an interface portion provided with an idle stop and go (ISG) system and receiving driving information of a vehicle; and a processor electrically connected to the ISG and the interface portion. The processor is configured to perform a predetermined operation for controlling the stop of the vehicle based on the driving information when the vehicle is stopped in a first state where the ISG is turned on, and in a second state where a gearshift lever of the vehicle is positioned in other stages except a P-gear and where the vehicle is turned on. Accordingly, the present invention is able to improve the safety of passengers of a vehicle.
Patent KR-20160040152-A (KR)
Title: 비중과 질량에 따라 작용하는 중력의 작용과 중력 가속도 작용과 물질마찰작용과 물질폭발작용을 이용하여 유체성 물질분자와 결합 되어 있는 비중이 가벼운 물질분자와 비중이 무거운 유체성 물질분자들을 분리가공하는 자연친화적인 친환경 공법과 여기에 적용되는 유체성 물질분자 분리기
Inventor: HAN SANG KWAN
IPC: B03B5/28
Filed: 2016-03-21
Abstract: 본 발명은 물과 바닷물과 같은 유체성 물질분와 결합되어 있는 오염물질성 물질분자들을 분리하여 처리하거나 수집하여 재사용하는 자연친화적인 친환경 공법과 여기에 적용되는 유체성 물질분자 분리기를 특징으로하는  민물과 바닷물과 우유와 술과 음료와 같은 유체성 식품과, 기호성 식품과 혈액과 같은 유체성 물질분자와 결합 되어 있는 비중이 가벼운 물질분자와 비중이 무거운 유체성 물질분자들을 분리가공하는 자연친화적인 친환경 공법과 여기에 적용되는 유체성 물질분자 분리기에 관한 발명이다
Patent KR-20160115788-A (KR)
Title: Fiber laser device
Inventor: HORIMOTO KEIICHI
IPC: H01S3/067
Filed: 2016-03-24
Abstract: A fiber laser device comprising: a fiber laser device body; a Raman wavelength converter for converting a wavelength of light of a part of incident light; an output optical waveguide optical fiber for propagating light output from the Raman wavelength converter; a branching element provided in the output optical waveguide optical fiber for branching the light output from the Raman wavelength converter into Raman light and unnecessary light other than the Raman light; and an unnecessary light propagating optical fiber into which at least a part of the unnecessary light branched by the branching element is incident, and propagates at least a part of the unnecessary light.
Patent KR-20170111811-A (KR)
Inventor: FARBER BORIS
IPC: G01N33/00
Filed: 2016-03-29
Abstract: 상승된 온도에서 가스 센서의 임피던스를 연속적으로 측정하는 개선된 펄스 방전 기법이 제공된다. 본 발명은 측정된 임피던스 값들이 임피던스 모니터링을 통해서 상기 센서의 동작 온도를 모니터링하거나 또는 규정된 온도 범위 내에 상기 센서의 동작 온도를 제어하는데 이용되는 것을 특징으로 한다.
Patent KR-20170119574-A (KR)
Title: 스마트 밴드용 신축성 직물의 제조방법
Inventor: YOON JU YOUNG
IPC: D02G1/02
Filed: 2016-04-19
Abstract: 본 발명은 스마트 밴드에 사용되는 신축성 직물의 제조방법에 관한 것으로, 은 코팅 원사 및 기능성 기초원사를 600 내지 700 tm의 꼬임수로 연사가공하여 전도성 원사를 제조하는 단계(S1); 및 상기 전도성 원사를 경사로, 기능성 원사를 위사로 사용하여 능직으로 제직하는 단계(S2)를 포함하는 방법으로 제조된다. 본 발명의 방법에 따라 제조된 신축성 직물은 인장신율 및 착용감이 우수한 장점이 있다.
Patent KR-20170120271-A (KR)
Inventor: CHO SUNG JUNE
IPC: B01J20/30
Filed: 2016-04-21
Abstract: 본 발명은 강도가 향상된 이산화탄소 흡수제의 제조 방법 및 이에 의하여 제조된 강도가 향상된 새로운 이산화탄소 흡수제에 관한 것으로서, 더욱 상세하게는 제조과정에서 강도증강제를 첨가하여 강도가 증가하면서도 이산화탄소 흡수능을 일정 수준 이상으로 유지할 수 있는 새로운 이산화탄소 흡수제의 제조 방법 및 이에 의하여 제조된 강도가 향상된 이산화탄소 흡수제에 관한 것이다.
Patent KR-20170122534-A (KR)
Inventor: KIM HWAN YOUNG
IPC: B62K19/24
Filed: 2016-04-27
Abstract: The present invention relates to a separable two-wheeler fastening method for connecting front and back wheels through one connection pipe, removing nodding and twisting in a fastening portion and smoothly preventing loosening by itself even if a two-wheeler is ridden for a long time and making separation and fastening easy.
Patent KR-20170126173-A (KR)
Inventor: SEO JAE HYUN
IPC: H04N7/01
Filed: 2016-05-09
Abstract: An apparatus and method for providing portal broadcast information are disclosed. The apparatus for providing portal broadcast information according to an embodiment of the present invention includes: a channel allocating unit for allocating a portal broadcast channel for providing the portal broadcast information to any one of a plurality of broadcast channels; an information generating unit for generating the portal broadcast information including the broadcast information of the plurality of broadcast channels; a channel encoding unit for transmitting a broadcast signal by channel-encoding the portal broadcast information; a channel decoding unit for channel-decoding the portal broadcast information by receiving the broadcast signal; and a channel control unit for switching to a broadcast channel selected by a user through the portal broadcast information outputted from the portal broadcast channel. Accordingly, the present invention can provide digital broadcast information of various broadcast standards without a channel scan.
Patent KR-20170127187-A (KR)
Inventor: YANG YU JIN
IPC: C02F103/36
Filed: 2016-05-11
Abstract: The present invention relates to a deodorant and a method for removing bad smells and, more specifically, to a deodorant consisting of by-products of propylene oxide/styrene monomer processes and a method for removing bad smells comprising supplying a deodorant sequentially or intermittently. According to the present invention, the deodorant is made of by-products of propylene oxide/styrene monomer processes to be economical, shows excellent deodorant effects and is environment friendly not by containing toxic materials or the like in final reaction products.
Patent KR-20170127694-A (KR)
Inventor: KIM SEON WOOK
IPC: G06F12/02
Filed: 2016-05-12
Abstract: The present invention discloses a memory management device in a cache for providing a permanent storage sequence of a permanent memory and a method thereof. The present invention realizes an instant booting capable of instantly returning to previous task content when turning on a power by providing a memory writing order sequence of a main memory which is matched with a memory writing order sequence of a processor in a computer system using the permanent memory as the main memory. Also, a restoration of the main memory level can be possible in a use of the permanent memory as the main memory even in a situation requiring the restoration by a power block or a system collision. The memory management method comprises the following steps of: storing a writing order sequence in the cache memory or a separate storage space through a cache controller; and performing the memory writing order in order from the cache memory storing the writing order sequence to the main memory composed of the permanent memory, through the cache controller.
Patent KR-20170128679-A (KR)
Inventor: PARK KI HYEON
IPC: H03M13/11
Filed: 2016-05-12
Abstract: The present invention proposes a new method for generating a low density parity check matrix code (LDPC code) which can be used in a channel coding system in a noisy communication environment including a 3GPP LTE/LTE-A system. A term such as the channel coding system or the noise communication environment is not intended to limit a range of application of the present invention, but is merely an example of application directions, and a result of the present invention can basically be applied to all systems using the described structure. Also, the new generation method does not mean a new parity check matrix code. Therefore, a specific combination of various parameters suggested in the present invention can make a part of the result from the present method the same as that of the existing invention.
Patent KR-20170130191-A (KR)
Inventor: YOO SANG HWA
IPC: H04J14/02
Filed: 2016-05-18
Abstract: A multi-core optical fiber-based space-wavelength division multiplexing optical network apparatus and a noise removing method thereof are disclosed. The space-wavelength division multiplexing optical communication network apparatus according to an embodiment of the present invention includes a light source for generating and outputting seed light for transmitting an upstream signal, and a space division multiplexing/demultiplexing unit for space-division multiplexing the output light of the light source, propagating the space-division multiplexed light to an optical fiber, space-division demultiplexing reflection light which is reflected and returned during propagation and transmitting the space-division demultiplexed light through a path which is different from the path of the upstream signal, thereby blocking the reflection. Accordingly, the present invention can prevent deterioration due to Rayleigh back scattering.
Patent KR-20170135013-A (KR)
Inventor: KANG CHANG HO
IPC: H01L51/56
Filed: 2016-05-30
Abstract: Disclosed are a split mask and a substrate deposition apparatus having the same. According to an embodiment of the present invention, the substrate deposition apparatus comprises: a chamber in which a deposition process for a substrate is performed; and a split mask which is arranged in parallel with respect to the substrate when the deposition process is performed, and which transfers a deposition material from a source to the substrate. The split mask comprises: a plurality of sheet mask sticks having a plurality of through-holes through which a deposition material from a source passes; a mask frame in which the sheet mask sticks are extended and coupled; and a stick supporter which is arranged between the mask frame and the sheet mask stick and supports the sheet mask sticks while forming one surface with the sheet mask sticks so as to prevent a shadow phenomenon from occurring in the sheet mask sticks during the deposition process.
Patent KR-20170135551-A (KR)
Inventor: PARK E GYUNG
IPC: A61K8/97
Filed: 2016-05-31
Abstract: Disclosed is an anti-aging cosmetic composition based on antibacterial effects of rosemary oil-derived ingredients grown in an alpine area. The rosemary oil-derived anti-aging cosmetic composition comprises retinoic acid, retinal and retinol as active ingredients.
Patent KR-20170114218-A (KR)
Inventor: CHO SUNG BONG
IPC: H04N21/4223
Filed: 2016-06-03
Abstract: 미디어 서버로부터 전송되는 미디어 스트림을 수신하여 웹브라우저 상에서 재생하는 미디어 스트림 재생 장치는, 상기 미디어 서버와 전송 계층 레벨의 통신 연결을 수립하는 전송 모듈과, 상기 전송 계층 레벨의 연결을 기초로 상기 미디어 서버와 핸드쉐이크를 통해 웹소켓 연결을 수립한 후 상기 수립된 웹소켓 연결을 지속적으로 유지하면서, 상기 미디어 서버와 웹소켓 패킷을 송수신하는 웹소켓 모듈과, 상기 웹소켓 패킷에 의해 운반되는 실시간 전송 프로토콜 패킷을 수신하는 스트리밍 모듈과, 상기 실시간 전송 프로토콜 패킷으로부터 얻어지는 상기 미디어 스트림이 브라우저 내장 재생기에 의해 실행 가능하지 않으면, 상기 미디어 스트림을 상기 브라우저 내장 재생기에 의해 재생 가능한 포맷으로 변환하는 포맷 변환기와, 상기 변환된 미디어 스트림으로부터 영상을 복원하는 넌플러그인(non-plugin) 방식의 상기 브라우저 내장 재생기와, 상기 복원된 영상을 상기 웹브라우저에 임베드하여 화면 상에 표시하는 출력 장치로 이루어진다.
Patent KR-20170138734-A (KR)
Inventor: KANG YOON SEOK
IPC: F16M13/04
Filed: 2016-06-08
Abstract: The present invention relates to a posture maintaining device for a 360-degree camera. According to an embodiment of the present invention, the posture maintaining device for a 360-degree camera includes: a first compensating unit including a mounting unit, on which a camera having a view angle of 360 degrees is mounted, and capable of rotating in a first direction; a second compensating unit arranged on one side of the first compensating unit and capable of rotating in a second direction different from the first direction; a third compensating unit installed at the lower end of the second compensating unit and capable of rotating in a third direction different from the first direction or the second direction; and a counter balance connected to the first compensating unit and guiding horizontal posture of the camera. According to an embodiment of the present invention, the posture maintaining device for a 360-degree camera can perform an image of video or photo without shaking by compensating an inclination in real time when the image is recorded by the camera with the view angle of 360 degrees. Also, the posture maintaining device for a 360-degree camera can form a gimbal minimizing hiding of a subject when the image is recorded by the camera with the view angle of 360 degrees and can obtain an image with minimized interference.
Patent KR-20170143229-A (KR)
Inventor: LEE MYUN GU
IPC: B01F15/00
Filed: 2016-06-21
Abstract: The present invention relates to an apparatus for manufacturing gelatin using waste capsules, comprising: a chamber storing, dissolving and discoloring waste capsules; and a drying unit drying a mixed solution discolored in the chamber. According to the present invention, as gelatin is manufactured from waste capsules, processing costs can be omitted and gelatin, which is a high price imported article, can be recycled so costs can be reduced.
Patent KR-20170093674-A (KR)
Title: Wiping device of lip gloss and mascara
Inventor: I YEONG JU
IPC: A45D34/00
Filed: 2016-06-24
Abstract: The present invention relates to a wiping device of lip-gloss and mascara. According to an embodiment of the present invention, the wiping device of the lip-gloss and the mascara comprises: a cover (20) in which a brush rod (10) is fixed; a cylindrical wiper member (30); and a cylindrical cover member (40). The present invention smoothly pulls out the brush rod (10).
Patent KR-20180003199-A (KR)
Inventor: GIM CHONG WON
IPC: A22C17/00
Filed: 2016-06-30
Abstract: Disclosed in the present invention is a method of slicing frozen meat, in which frozen meat (10) in the state of a lump being supplied along a supply unit (100) is cut into slices (400) in the shape of a roll by using a blade (200) including a slicing blade unit (210), and is discharged through a discharge unit (300). According to the present invention, the frozen meat is sliced under the following conditions: (a) a frozen meat temperature in the range of -10 to 12C; (b) a slicing speed of a slicing knife in the range of 150-180 (slice/min); (c) a slicing thickness in the range of 1-2.5 mm; and (d) a slicing angle (A) of the slicing blade unit of the blade in the range of 30-34. Accordingly, the method of the present invention serves to significantly increase the slicing quality and value of the slices sliced in the shape of a roll while being able to slice the frozen meat in a state that is easily rolled.
Patent KR-20180004358-A (KR)
Inventor: CHOI HEE SIK
IPC: G06Q20/32
Filed: 2016-07-01
Abstract: In an application-based asynchronous reverse payment method according to the present invention, an operation server generates transaction registration information and one time identification (OTID); the operation server associates and stores the transaction registration information and the OTID; the operation server provides the OTID for a member store wireless terminal; the operation server receives recognition information within valid time of the OTID; the operation server confirms any one of the transaction registration information; the operation server provides transaction information when the transaction registration information is confirmed; the operation server receives request information within the valid time of the OTID; and the operation server processes payment information to be provided for a payment application. The application-based asynchronous reverse payment method is provided to use a member store wireless terminal which transmits a radio signal in order to process payment through a payment application.
Patent KR-20180004857-A (KR)
Title: Carrying boxe for agricultural products
Inventor: CHOI MIN SOON
IPC: B65D5/42
Filed: 2016-07-04
Abstract: The present invention relates to a carrying box for agricultural products. According to the present invention, the carrying box for agricultural products comprises: a floor surface; a plurality of side walls formed by extending upwards from each edge of the floor surface to form an accommodation space to accommodate agricultural products; and a cover unit formed on a top side of the plurality of side walls to open/close the accommodation space. The side walls include: an external wall formed upwards from one side of each edge of one side of the floor surface, whose one side has a plurality of first vent holes; a middle wall formed by extending upwards from one side distanced towards an internal side of the external wall among one side of the floor surface, whose one side has a smaller number of second vent holes than the plurality of first vent holes; and an internal wall formed by extending upwards from one side distanced towards an internal side of the middle wall among one side of the floor surface, whose one side has a smaller number of third vent holes than the second vent holes. According to the present invention, the side wall comprises the external wall, the middle wall, and the internal wall to form an air layer in between the external wall and the middle wall and in between the middle wall and the external wall, and to form vent holes respectively on the external wall, the middle wall, and the internal wall to have a smaller number of vent holes in the order of the external wall, the middle wall, and the internal wall, thereby allowing hazardous gas inside to be actively discharged to the outside but allowing external air to stay in the air layers formed in between the external wall, the middle wall, and the internal wall for some time to flow to the inside. As such, the present invention is able to protect agricultural products being carried from external cold air even when the external temperature is extremely low such as in winter.