baber/WOPTO huggingface dataset:
Patent JP-2022522270-A (JP)
Title: 食事摂取状態における改善された薬物動態を有するガンマ－ヒドロキシ酪酸塩組成物
IPC: A61P25/00
Filed: 2020-02-28
Abstract: 食後２時間未満に投与する場合に、改善された薬物動態特性を有する、ナトリウムオキシベートの経口医薬組成物と、その治療的使用とを提供する。
Patent JP-2022526228-A (JP)
Title: 生体認証入力デバイス
IPC: G02B5/02
Filed: 2020-03-19
Abstract: 生体認証入力デバイスは、第１の偏光を有する偏光子の背後にある画像センサを使用して、視野（ＦＯＶ）内にあるユーザの掌の画像を生成するセンサアセンブリを含む。ＦＯＶ内の掌は、第１の偏光及び第２の偏光を有する光により異なる時間に照射される。画像は、偏光された光を使用して取得され、表面の特徴及び皮下の特徴の画像を提供する。画像は次いで、ユーザを識別するよう処理されてもよい。デバイスは、ユーザに情報を提供し、またはユーザから入力を受信するためのタッチスクリーンを含んでもよい。デバイスは、入場門及びポイントオブセールなどの便利な位置にデバイスを搭載するためのスタンドを含んでもよい。【選択図】図１
Patent JP-2022524555-A (JP)
Title: ヒータ及び低温ベーク型喫煙具
IPC: A24F40/46
Filed: 2020-03-13
Abstract: 本願は喫煙具の分野に関し、ヒータ及び当該ヒータを備える低温ベーク型喫煙具を提供し、当該ヒータは、巻きタバコを収容する加熱室を有するホルダと、発熱部と固定部とを含み、前記発熱部が前記固定部から前記ホルダの長手方向に伸び、前記発熱部が前記加熱室内に露出し、巻きタバコの内部に挿入されてそれを加熱するために用いられる発熱体と、前記ホルダに接続され、前記発熱体を前記ホルダに固定するように前記固定部に当接される固定ベースと、を備え、発熱体が中央から偏る問題は回避され、発熱体による巻きタバコに対するベーキングが均一になり、発煙量は保証されている。【選択図】図２
Patent JP-2022528344-A (JP)
Title: トリアシルグリセロール系油からクロロフィル誘導体を除去するためのシリカ吸着剤
IPC: C11B3/10
Filed: 2020-03-11
Abstract: 【解決手段】 本発明は、クロロフィル誘導体を含む油を処理するための吸着剤に関する。特に、本開示は、油、特にトリアシルグリセロール系油から、クロロフィル誘導体及び／又は微量金属を含む不純物を除去するための改善されたシリカゲル吸着剤に関する。吸着剤は、酸化マグネシウム等のアルカリ土類金属酸化物で処理したシリカゲルを含み、約７以上のｐＨ及び約３重量％以上の含水量を有する。【選択図】図１
Patent JP-2022529964-A (JP)
Title: 断熱材
IPC: C08L101/00
Filed: 2020-04-16
Abstract: 断熱製品を製造する方法は、（ａ）溶媒及びゲルネットワーク形成体を含み、また起泡剤を含んでもよい混合物を形成するステップと；（ｂ）混合物中に断熱充填剤を分散させるステップと；（ｃ）混合物を乾燥して断熱製品を形成するステップとを含む。
Patent JP-2022530076-A (JP)
Title: アクション決定のためのシステム
IPC: G05B23/02
Filed: 2020-04-20
Abstract: 本発明は、アクション決定のためのシステムに関する。本システムは、入力ユニット、処理ユニットおよび出力ユニットを備える。入力ユニットは、工業プロセスの動作と関連した一定期間にわたる複数の過去のアクションに関する情報を処理ユニットに提供するように構成される。入力ユニットは、工業プロセスの動作と関連した一定期間にわたる複数の過去のプロセスイベントに関する情報を処理ユニットに提供するように構成される。入力ユニットは、新たなプロセスイベントに関する情報を処理ユニットに提供するように構成される。処理ユニットは、複数の過去のアクションの少なくとも一部と過去のプロセスイベントの少なくとも一部との間の相関を決定するように構成される。処理ユニットは、新たなプロセスイベントに関する情報から少なくとも1つの推奨アクションを決定するように構成されており、決定は、決定した相関の活用を含む。出力ユニットは、少なくとも1つの推奨アクションを出力するように構成される。
Patent JP-2022536830-A (JP)
Title: 滅菌ユニットを滅菌するためのシステムおよびこのようなシステムを動作させるための方法
IPC: A61L2/08
Filed: 2019-06-14
Abstract: 本発明は、搬送ラインに沿って滅菌環境を通って滅菌ユニット（１００）を輸送するための搬送システム（８）を含む、放射線に対する暴露により滅菌ユニット（１００）を滅菌するため、より詳細には放射線に対する暴露により医療用物体を格納する滅菌ユニット（１００）を滅菌するためのシステム（１）に関する。滅菌環境は、放射線源（２）からの放射線輻射に暴露される。搬送ラインの少なくとも１つの搬送区分（Ｆ３、Ｆ４、Ｆ５、Ｆ６、Ｆ７、Ｆ８、Ｆ９、Ｆ１０）は、放射線源（２）の周囲に沿って延在している。放射線源（２）、例えばＣｏ６０源はガンマ放射線を発出する。本発明によると、搬送システム（８）は、少なくとも１つの静止支持梁（３２）と、長手方向および垂直方向で少なくとも１つの静止支持梁（３２）との関係において可動である少なくとも１つの可動昇降梁（３４）とを伴う少なくとも１つの昇降梁コンベヤ（１２）を含む。少なくとも１つの静止支持梁（３２）は、２つの固定軸受（４６）間に中央領域を有し、この中央領域は、引張要素（４２）が長手方向および垂直方向に対し斜めの方向に延在するような形で固定され、少なくとも１つの固定軸受（４６）の領域内に配設された少なくとも１つの垂直支柱（４８）および中央領域上で固定されている引張り応力下の少なくとも１つの引張要素（４２）を介して支持されている。【選択図】図８
Patent JP-2023523105-A (JP)
Title: 空気送達導管
IPC: A61M16/06
Filed: 2020-05-20
Abstract: 呼吸圧力治療の提供のためのコンポーネントおよびデバイスの製造方法と、前記方法に従って製造されたコンポーネント。支持構造が、前記コンポーネントのために設けられる。実施形態において、前記支持構造は、剛性リングであり得る。あるいは、弾性補強要素を生成するために、弾性材料がコンポーネントへ付加される。これらのデバイスおよびコンポーネントは、加圧ガス流れを患者インターフェースへ送達させるための導管と、ヘッドギア管を支持要素と共に有する位置決めおよび安定化構造と、前記導管を含む患者インターフェースとを含む。
Patent JP-2022534103-A (JP)
Title: リソース設定方法及び通信装置
IPC: H04W72/04
Filed: 2020-05-28
Abstract: 本出願の実施形態は、ＴＤＭモードでの伝送のための複数の上りリンク・キャリアのためのリソースを設定して、スペクトル・リソース及び端末能力の利用を最大化し、通信性能を向上させるためのリソース設定方法及び通信装置を開示する。この方法は、アクセス・ネットワーク・デバイスが、複数の時分割多重化モード情報を端末に送信することであって、複数の時分割多重化モード情報の各々は、１つの時分割多重化モードを指示するために使用され、時分割多重化モードでは、第１の上り時間リソース及び第２の上り時間領域リソースに対して時分割多重化が実行され、第１の上り時間領域リソースは、第１のキャリアの上り時間領域リソースであり、第２の上り時間領域リソースは、第２のキャリアの上り時間領域リソースである、ことと、アクセス・ネットワーク・デバイスが、第１の情報を端末に送信することであって、第１の情報は、複数の時分割多重化モード情報によって指示される複数の時分割多重化モードのうちの１つをアクティブにするために使用される、ことと、を含む。
Patent JP-2022536726-A (JP)
Title: エアコン及びその制御方法、コンピュータ読み取り可能な記憶媒体
IPC: F24F11/86
Filed: 2019-09-29
Abstract: 本願はエアコンの制御方法を開示し、前記エアコンの制御方法は、目標間隔時間におけるエアコンの位置する空間の輻射温度変化量を取得するステップと、前記輻射温度変化量に応じて前記エアコンの現在の運転パラメータを修正して目標運転パラメータを得るステップと、前記目標運転パラメータで運転するように前記エアコンを制御するステップと、を含む。本願はさらに、エアコン及びコンピュータ読み取り可能な記憶媒体を開示する。本願のエアコンは使用者に快適な環境を正確に作り出す。【選択図】図２
Patent JP-2022538086-A (JP)
Title: Ｒｏｃｋプロテインキナーゼ阻害薬としてのイソキノリンの誘導体及びその使用
IPC: C07D405/14
Filed: 2020-06-22
Abstract: 本発明は一系列のROCKプロテインキナーゼ阻害薬としてのイソキノリン誘導体、及びROCKプロテインキナーゼ阻害薬緑内障又は高眼圧症関連薬物調製におけるその使用を開示する。特に、式（I）で示される化合物、その異性体又はその薬学的に許容される塩を開示する。【化１】JPEG2022538086000285.jpg3755
Patent JP-2023102722-A (JP)
Title: Spot air-conditioning system
Inventor: KANDORI MASAKICHI
IPC: F24F11/46
Filed: 2022-01-12
Abstract: To provide a spot air-conditioning system that supplies air-conditioned air to only workers and accordingly reduces power consumption while using a bulk supply branch system spot air-conditioning device.SOLUTION: A spot air-conditioning system comprises: a portable transmitter which is attached to a person who works in an air-conditioning managed area and transmits a specific radio wave; receivers which are installed in the vicinity of a plurality of blowout ports and receives the radio wave transmitted by the portable transmitter; shutter units which can open and close the plurality of blowout ports, respectively; and operation units for operating the shutter units. The receivers installed in the vicinity of the plurality of blowout ports can detect an intensity of the radio wave transmitted by the portable transmitter. Each of the operation units for operating the corresponding shutter part operates the shutter part so as to open the corresponding blowout port when the intensity of the radio wave detected by the receivers exceed a preset intensity, and operate the shutter part so as to close the blowout port when the intensity of the radio wave is equal to or lower than the preset intensity.SELECTED DRAWING: Figure 1
Patent JP-2023103695-A (JP)
Title: Beam, oscillation element, and optical scanner
Inventor: NISHIMURA KENTARO
IPC: G02B26/10
Filed: 2022-01-14
Abstract: To provide a beam that can be fixed to a substrate with a sufficient strength in a short time, an oscillation element including the same, and an optical scanner.SOLUTION: A beam comprises: a base connection part that is connected with a base substrate; a coil connection part that is connected with a coil substrate; and a beam part that connects the base connection part and the coil connection part to each other. At least one of the base connection part and the coil connection part has a soldering part that is soldered to the base substrate or the coil substrate. The soldering part includes a first connection part and a second connection part adjacent to the first connection part. When a direction in which the first connection part and the second connection part are adjacent to each other is an adjacent direction, the area of a cross section of the first connection part orthogonal to the adjacent direction is smaller than the area of a cross section of the second connection part orthogonal to the adjacent direction.SELECTED DRAWING: Figure 1
Patent JP-2023104584-A (JP)
Title: Paying-out device
Inventor: ISHIMOTO RYO
IPC: B65H3/08
Filed: 2022-01-18
Abstract: To provide a paying-out device simplified in structure and reduced in size.SOLUTION: In a paying-out device 1, a sensor 50 detects information about the vertical position of an uppermost conveyed article 91 relative to a table 10, and outputs a signal corresponding to the information; a holding part 40 is brought into contact with the uppermost conveyed article 91 by relative movement of an arm 20, and then the arm 20 can slide downward relative to a shaft 30; and a control unit 60 updates in response to the signal, upon determination that the vertical position has changed from within a first position range to within a second position range different from the first position range, a setting value of a moving amount of the arm 20 from a first setting value to a second setting value, and moves at least one of the arm 20 and the table 10 so that the moving amount can be equal to the setting value.SELECTED DRAWING: Figure 1
Patent JP-2022058727-A (JP)
Title: Production of engineered cells for adoptive cell therapy
IPC: A61K35/17
Filed: 2022-01-24
Abstract: PROBLEM TO BE SOLVED: To provide methods for genetically engineering cells. 
     SOLUTION: In some embodiments, the provided methods include transduction of cells by incubation with a retroviral vector particle, e.g. lentiviral vector, in which, prior to the incubation, the cells have not been incubated with an activating or stimulating agent, such as have not been incubated with anti-CD3/anti-CD28 antibodies and/or one or more recombinant cytokines. In some embodiments, such methods result in features related to shortening or improving the process for genetically engineering cells. Also provided are resulting cells, transduced with a recombinant or heterologous gene, such as one encoding a chimeric receptor such as a chimeric antigen receptor, or other recombinant antigen receptor such as a transgenic T cell receptor, and compositions thereof. 
     SELECTED DRAWING: Figure 1A 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023108794-A (JP)
Title: Information processing system, information processing apparatus, server, and control method
Inventor: ARAKI NAOYUKI
IPC: G06F21/60
Filed: 2022-01-26
Abstract: To provide an information processing apparatus with improved security against unauthorized access.SOLUTION: An information processing system is provided with an information processing apparatus and a server. The information processing apparatus includes: a processor that executes programs of an operating system; and an EC that acquires first key information indicating a key operated with an operation by a user on an operation unit in which keys are arranged, and generates second key information different from the first key information on the basis of the first key information and encryption rules that change according to time, and transmits the generated second key information to the processor. The processor transmits data based on the second key information generated by the EC to the server without obtaining the first key information. The server acquires data based on the second key information transmitted from the information processing apparatus, and acquires the first key information on the basis of the acquired data and the common encryption rule that performs the same encryption at the same time as the encryption rule used in the information processing apparatus.SELECTED DRAWING: Figure 1
Patent JP-2023110217-A (JP)
Title: Manufacturing method of back pad of backpack and manufacturing method of backpack
Inventor: Matsuura Nami
IPC: A45F3/04
Filed: 2022-01-28
Abstract: To provide a manufacturing method of a back pad of a backpack and a manufacturing method of a backpack which can keep softness of a cushion material by preventing the cushion material from being crushed.SOLUTION: A manufacturing method of a back pad of a backpack includes the following steps of: thermally molding an exterior fabric 5 so as to form a protrusion 5b protruding from a plane part 5a; thermally molding a cushion material 6 along the plane part 5a and the protrusion 5b; and fusion-cutting the exterior fabric 5 and a back plate 4 in such a state that the cushion material 6 is sandwiched between the exterior fabric 5 and the back plate 4 such that the cushion material 6 is fit to the protrusion 5b.SELECTED DRAWING: Figure 15
Patent JP-2023110279-A (JP)
Title: Work machine
Inventor: MURAKAMI YOSHIAKI
IPC: E02F9/00
Filed: 2022-01-28
Abstract: To save space in a machine room so that it is not necessary to secure a space for arranging electrical components and to exclude a part of the counterweight while securing the heat exchange efficiency and cleanability of a first heat exchanger and a second heat exchanger.SOLUTION: In a work machine in which a cooling fan 33 and heat exchangers 35 and 36 arranged upstream of the cooling fan in an air circulation direction are arranged in an air intake chamber 15b partitioned in a machine room. The heat exchangers include a first heat exchanger 35 and a second heat exchanger 36. The air intake chamber 15b includes the first heat exchanger and a ventilation hole 37 provided upstream of the cooling fan so as to be aligned in a direction perpendicular to the air circulation direction, a first air intake chamber 100 provided on the upstream side of the first heat exchanger and into which intake air from the cooling fan flows, a second air intake chamber 200 for branching the intake air by connecting an opening window 41a provided in the first intake chamber and the ventilation hole. The second heat exchanger is provided in the opening window.SELECTED DRAWING: Figure 4
Patent JP-2022048332-A (JP)
Title: Ticket management system, ticket management device, ticket management method, and ticket management program
IPC: G06Q10/02
Filed: 2022-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a ticket management system, ticket management device, ticket management method, and ticket management program that can associate the right of an event ticket with its owner, and register, store, and manage the relationship between right detail data of the ticket and owner data as right owner management to immediately manage the present owner of the right, a transfer status, an enforcement status, a utilization status, and the like. 
     SOLUTION: In a case where approval of ownership transfer is acquired from a transferor of a ticket when settlement processing for ownership transfer is completed by a transferee of the ticket, the transferee is notified of an approval identifier of the ownership transfer. In a case where an ownership transfer registration request including a ticket identifier, a user identifier of the transferor, and the approval identifier is acquired from the transferee, the user identifier associated with the ticket identifier is changed to the user identifier of the transferee from the user identifier of the transferor, thereby updating ownership relationship data. 
     SELECTED DRAWING: Figure 5 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023113241-A (JP)
Title: Multilayer container, method for producing two-layer preform, and method for manufacturing multilayer container
Inventor: SHIMADA (NAKAMURA) HITOSHI
IPC: B65D1/00
Filed: 2022-02-03
Abstract: To provide a multilayer container having an outer layer containing a polyolefin resin, and an inner layer which comes in contact with the outer layer and contains a polyamide resin, a method for producing a two-layer preform, and a method for manufacturing a multilayer container.SOLUTION: A multilayer container includes a two-color molded article composed of an outer layer containing a polyolefin resin, and an inner layer which comes in contact with the outer layer and contains a polyamide resin, wherein the polyamide resin includes a xylylenediamine-based polyamide resin that includes a constitutional unit derived from diamine, and a constitutional unit derived from a dicarboxylic acid, 70 mol% or more of the constitutional unit derived from the diamine is derived from xylylenediamine, and 70 mol% or more of the constitutional unit derived from the dicarboxylic acid is derived from an α,ω-straight-chain aliphatic dicarboxylic acid having 4 to 20 carbon atoms.SELECTED DRAWING: Figure 1
Patent JP-2023113255-A (JP)
Title: Urinary incontinence sensor, urinary incontinence detection device, and urinary incontinence detection system
Inventor: TAKAHASHI TETSUO
IPC: A61F13/42
Filed: 2022-02-03
Abstract: To provide a urinary incontinence sensor capable of detecting urinary incontinence without causing discomfort and unpleasantness while worn even when a urinary incontinence diaper or the like to which urine leakage countermeasure is applied is used.SOLUTION: A urinary incontinence sensor 14 fitted outside a diaper 22 is of a capacitance system detecting a change of dielectric constant of an inner area of the diaper 22.SELECTED DRAWING: Figure 9
Patent JP-2022060281-A (JP)
Title: Sleep-improving agent consisting of kabosu essential oil
Inventor: ZHOU LANXI
IPC: A61K31/015
Filed: 2022-02-04
Abstract: To provide a sleep-improving agent that is safe without side effects and is capable of improving the quality of sleep and the feeling of recovery from fatigue upon waking up to induce comfortable and smooth waking.SOLUTION: Provided is a sleep-improving agent consisting of kabosu essential oil.SELECTED DRAWING: None
Patent JP-2022078073-A (JP)
Title: Pressurizing mask, system and method
IPC: A61M16/06
Filed: 2022-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a mask covering high flow nasal cannula for increasing or controlling expiratory pressure. 
     SOLUTION: A mask 100 can act as a pressure vessel over the top of a nasal cannula 102 to increase expiratory pressure whilst allowing the nasal cannula to provide a user with breathing gases of high humidity and temperature. The ability to selectively apply increased expiratory pressure is effective in reducing the user's breathing rate and thus beneficial in the treatment of respiratory distress. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023119352-A (JP)
Title: Attachment device and antenna device comprising the same
Inventor: IWAMOTO MASANAO
IPC: H01Q1/12
Filed: 2022-02-16
Abstract: To provide an attachment device capable of suppressing deterioration in assemblability, and to provide an antenna device comprising the same.SOLUTION: An attachment device comprises a fixing plate and a pair of fastening members. A fastening member has a shaft part and a slip-off prevention part. The fixing plate has a first through-hole and a second through-hole. The fixing plate can move between a first position and a second position. The slip-off prevention part provided on the shaft part inserted into the second through-hole is overlapped with an edge part of the second through-hole in a state where the fixing plate is at the first position and is located inside the edge part of the second through-hole in a state where the fixing plate is at the second position.SELECTED DRAWING: Figure 1
Patent JP-2023119852-A (JP)
Title: Device for reducing excess concrete removal and method for reducing excess concrete removal
Inventor: WATANABE MASAYOSHI
IPC: E02D5/34
Filed: 2022-02-17
Abstract: To provide a device for reducing excess concrete removal and a method for reducing excess concrete removal, which can reduce a work of removing excess concrete when constructing a cast-in-place concrete body.SOLUTION: A device 40 for reducing excess concrete removal that reduces the removal of excess concrete CS formed at a head of a cast-in-place concrete body P when the cast-in-place concrete body P is constructed by inserting a reinforcing bar cage 50 into an excavation hole 70 created in the ground G and into which stabilizing liquid B is injected, and pouring the concrete C has a bag body 10 that can be expanded and contracted by injecting and extracting air, and a string material 19 provided directly or indirectly at least below the bag body 10 for fixing the bag body 10 to the outer periphery of the head of the reinforcing bar cage 50.SELECTED DRAWING: Figure 3
Patent JP-2023122829-A (JP)
Title: Production method of thin wall pipe, intermediate body for producing thin wall pipe, and thin wall pipe
Inventor: NIWA KENTARO
IPC: B23K20/12
Filed: 2022-02-24
Abstract: To provide a technology which enables easy production of a thin wall pipe by using friction stir welding, and to provide a thin wall pipe which can be produced easily by using friction stir welding.SOLUTION: A production method of a thin wall pipe includes: a step in which a block having a groove part formed on a first surface and a first side wall defining a first side surface of the groove part and a lid are prepared; a step in which the lid is arranged on the block so that an internal space is formed by the block and the lid covering the groove part; a step in which the lid and the block are joined along an outer edge of the lid by friction stir welding; and a step in which a part of the first side wall is cut so that the first side wall is made into a thin wall.SELECTED DRAWING: Figure 9
Patent JP-2023125427-A (JP)
Title: Brilliant pattern forming body
Inventor: MORINAGA TADASHI
IPC: B41M3/14
Filed: 2022-02-28
Abstract: To provide a brilliant pattern forming body where when a discriminator is superposed on a brilliant pattern, a hidden pattern having a plurality of hidden patterns or a hidden pattern having a motion picture effect appears.SOLUTION: A brilliant pattern forming body comprises: a group of brilliant elements which has, on a substrate, a plurality of brilliant element groups arranged with a predetermined direction and pitch; and a discriminator in which on a substrate having permeability, a hidden pattern is formed by a discrimination element group arranged in plurality with predetermined direction and pitch, and a discrimination element of the discriminator is superposed on the brilliant element, wherein when an incident light is radiated at a specific angle, a hidden pattern appears, and when an angle of the incident light to the brilliant pattern forming body is changed, a separate hidden pattern appears, or the hidden pattern is recognized by moving.SELECTED DRAWING: Figure 7
Patent JP-2023125816-A (JP)
Title: projector
Inventor: HIRAI ATSUSHI
IPC: G03B21/16
Filed: 2022-02-28
Abstract: To provide a projector that can reduce the installation area and can reduce vibration.SOLUTION: A projector comprises: a light source device; an image forming device that has first to third optical modulators and a color composition element; a projection optical device that changes the optical path of image light incident from the image forming device in a first direction to a second direction and projects the resultant image light; and a cooling device. The cooling device includes a first duct and a first centrifugal fan according to the first optical modulator; a second duct and a second centrifugal fan according to the second optical modulator; and a third duct and a third centrifugal fan according to the third optical modulator. The first to third centrifugal fans are arranged in an area partitioned by the image forming device and the projection optical device in a direction in which an angle formed by a virtual surface defined by the first and second directions and an intake surface becomes 0° or more and 45° or less. The second centrifugal fan is arranged in a third direction with respect to the first centrifugal fan. A part of the second duct overlaps a part of the first centrifugal fan when seen from the third direction.SELECTED DRAWING: Figure 8
Patent JP-2022081558-A (JP)
Title: Fuel cladding tube and method for closing opening in fuel cladding tube
IPC: G21C3/07
Filed: 2022-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a technique to close an opening in a container formed of long fiber reinforced silicon carbide material that can improve resistance against temperature change. 
     SOLUTION: A fuel cladding tube 1 comprises: a fuel cladding tube main body 2 that is formed of long fiber reinforced silicon carbide material obtained by combining a matrix of silicon carbide and long fibers of silicon carbide with each other, and contains a nuclear fuel, in which the wall thickness B of a wall part 5 partitioning the cladding tube into the inside and the outside has a specific dimension; and an end plug 3 that is formed of material including at least silicon carbide, and closes an opening in the fuel cladding tube main body 2, in which the wall thickness of a wall part 6 partitioning the cladding tube into the inside and the outside is 1.2 or more and 2.5 or less times the specific dimension. 
     SELECTED DRAWING: Figure 9 
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