baber/WOPTO huggingface dataset:
Patent JP-2018520413-A (JP)
Title: アノテーションを生成するシステムおよび方法
IPC: G06F17/50
Filed: 2016-05-06
Abstract: タッチスクリーン（１０８，１１０）におけるオブジェクトの描画とアノテーションを容易にする、プロセッサ（１０２）を有するシステム（１００）が提供される。プロセッサは、オブジェクトロケーション（１２０）に表示されたオブジェクト（１１２）の選択に該当するオブジェクト選択入力（１１８）に応答して、オブジェクトロケーションに隣接するアノテーションロケーション（１２４）に、選択されたオブジェクトに関するプレビュー型アノテーション（１２２）を表示する。同様にプロセッサは、アノテーションがパーシステント型に変更される前に、オブジェクトの選択解除に該当するオブジェクト選択解除入力（１２６）を受け取ると、アノテーションの表示を停止する。さらに第１のオブジェクトが選択されると、プロセッサは、アノテーションの選択に該当するアノテーション選択入力（１２８）に応答して、アノテーションをプレビュー型からパーシステント型に変更し、アノテーションがパーシステント型に変化した後にオブジェクトが選択解除されても、パーシステント型は視覚的に表示されたままである。
Patent JP-2018519568-A (JP)
Title: 再構成可能な双方向フロント−エンドインタフェースを提供するための装置および方法
IPC: G06F3/00
Filed: 2016-03-14
Abstract: システムオンチップ（ＳｏＣ）内に含まれる双方向フロントエンド回路に関する装置および方法が開示される。双方向フロントエンド回路は信号を受信し送信するための差動双方向端子を含む。第１のモードで動作するとき、双方向フロントエンド回路は差動双方向端子を介してコネクタと第１のコントローラとの間に第１の通信経路を提供するように構成される。および第２のモードで動作するとき双方向フロントエンド回路は差動双方向端子を介してコネクタと第２のコントローラとの間に第２の通信パスを提供するように再構成される。 【選択図】図１Ｂ
Patent JP-2018524243-A (JP)
Title: 材料のシートを分配するためのシステム、方法、および装置
IPC: B65H3/06
Filed: 2016-05-06
Abstract: 材料のシートを分配するためのシステム、方法、および装置が提供される。一実施形態では、シート材料分配装置が提供され、該装置は、カバーと、カバーに連結された後壁と、カバーに動作可能に連結された取り付け板と、取り付け板に連結された軸と、軸に連結された供給ローラであって、円弧状部分および少なくとも１つの切頭部分を有する、供給ローラと、軸に連結された引き込みローラであって、円弧状部分、および少なくとも１つの切頭部分を有する、引き込みローラとを備える。
Patent JP-2018517253-A (JP)
Title: 電解銅箔、それを含む集電体、それを含む電極、それを含む二次電池およびその製造方法
IPC: H01M4/48
Filed: 2016-04-28
Abstract: 高い容量維持率を有する二次電池を担保できる電解銅箔、それを含む集電体、それを含む電極、それを含む二次電池およびその製造方法が開示される。本発明の電解銅箔は第１面；および前記第１面の反対側の第２面を含み、前記第１および第２面のそれぞれは１０〜１００個のピークカウント粗さ（ｐｅａｋ ｃｏｕｎｔ ｒｏｕｇｈｎｅｓｓ：Ｒｐｃ）を有する。【選択図】 図１
Patent JP-2018524679-A (JP)
Title: 電子通信スレッドにおける拡張メッセージ要素の提供
IPC: G06F3/0481
Filed: 2015-06-02
Abstract: 本開示は、電子通信スレッドにおいてメッセージ要素を提供するためのシステムおよび方法へ向けられている。例えば、本明細書において説明されるシステムおよび方法は、電子通信スレッドにおいてメッセージ要素を識別し、メッセージ要素間の対話を電子通信スレッドに対して追加する。
Patent JP-2018517608-A (JP)
Title: 船舶
IPC: B63H21/38
Filed: 2016-04-05
Abstract: 【課題】液化ガスを貯蔵する貯蔵タンクを備える船舶が開示される。【解決手段】前記船舶は、前記貯蔵タンクの下流に設置され、前記貯蔵タンクから排出される蒸発ガスを冷媒とし、圧縮された蒸発ガス（以下、「第１流体」という。）を熱交換して冷却する蒸発ガス熱交換器；前記蒸発ガス熱交換器の下流に設置され、前記貯蔵タンクから排出された蒸発ガスの一部を圧縮する圧縮機；前記蒸発ガス熱交換器の下流に前記圧縮機と並列に設置され、前記貯蔵タンクから排出された蒸発ガスの他の一部を圧縮する予備圧縮機；前記蒸発ガス熱交換器で冷却された前記第１流体をさらに冷却する冷媒熱交換器；前記冷媒熱交換器に送られ（以下、冷媒熱交換器に送られる流体を「第２流体」という。）、前記冷媒熱交換器で冷却された前記第２流体を膨張させた後に再び前記冷媒熱交換器に送る冷媒減圧装置；前記蒸発ガス熱交換器及び前記冷媒熱交換器で冷却された前記第１流体の一部を膨張させる第１減圧装置；前記蒸発ガス熱交換器及び前記冷媒熱交換器で冷却された前記第１流体の他の一部を膨張させて再び前記冷媒熱交換器に送る第３減圧装置；を備え、前記冷媒熱交換器は、前記第２流体；前記冷媒減圧装置で膨張された流体；及び前記第３減圧装置で減圧された流体；を冷媒として、前記第１流体を熱交換して冷却し、前記第１流体は、前記圧縮機で圧縮した蒸発ガス；または前記圧縮機で圧縮した蒸発ガスと前記予備圧縮機で圧縮した蒸発ガスとが合流した流れ；であり、前記第２流体は、前記予備圧縮機で圧縮した蒸発ガス；または前記圧縮機で圧縮した蒸発ガスと前記予備圧縮機で圧縮した蒸発ガスとが合流した流れ；である。【選択図】図５
Patent JP-2018520129-A (JP)
Title: ケラチン物質をクレンジングするためのアミノ酸界面活性剤を含有する組成物
IPC: A61K8/44
Filed: 2015-07-22
Abstract: ケラチン物質をクレンジングするための組成物であって、a)少なくとも1種のアミノ酸界面活性剤と、b)アルギン酸カルシウムとを水性相に含み、a)アミノ酸界面活性剤とb)アルギン酸カルシウムとの質量比(a/b)が0.7〜6である、組成物が開示される。
Patent JP-2018525714-A (JP)
Title: アプリケーションのシミュレーション
IPC: G06F21/56
Filed: 2016-05-24
Abstract: 本明細書に記載の特定の実施形態が、アプリケーションを識別し、アプリケーションを実行し、アプリケーションの各ファンクションコールのためのパラメータを記録し、エミュレーションテーブルに記録されたパラメータを格納するよう構成され得る電子デバイスを提供する。記録されたパラメータは、ファンクションコール、入力パラメータ、及び出力パラメータを含んでよい。エミュレーションテーブルは、アプリケーションを実際に実行する必要なく、アプリケーションの実行をシミュレートするために用いられ得る。
Patent JP-2018525349-A (JP)
Title: 置換イミダゾリウムスルフランおよびそれらの使用
IPC: C07D307/54
Filed: 2016-06-21
Abstract: 本発明は、置換イミダゾリウムスルフラン、−ＣＮ基またはアルキン基の転移のためのそれらの使用に関する。
Patent JP-2018111688-A (JP)
Title: Pharmaceutical composition
Inventor: ISHIBUCHI SEIGOU
IPC: A61K31/496
Filed: 2018-01-05
Abstract: PROBLEM TO BE SOLVED: To provide a pharmaceutical composition comprising as an active ingredient a novel low molecular weight compound which inhibits the production of inducible MMPs, particularly MMP-9, rather than the production of constant MMP-2.SOLUTION: The pharmaceutical composition comprises a compound represented by the following formula and has a specific chemical structure as an active ingredient. The pharmaceutical composition is useful as a prophylactic and/or therapeutic agent for autoimmune diseases such as rheumatoid arthritis, inflammatory bowel diseases (ulcerative colitis, Crohn's disease) and osteoarthritis.SELECTED DRAWING: None
Patent JP-2019122152-A (JP)
Title: Power simulation apparatus and power simulation method
Inventor: YAMAMOTO KAZUHIRO
IPC: H02S50/00
Filed: 2018-01-05
Abstract: To provide a power simulation apparatus and power simulation method, capable of appropriately calculating a balance of energy income and outgo even for an electronic apparatus using an environmental power generation element being a feeble power generation source, as a power generation supply source.SOLUTION: A power simulation apparatus for simulating power of a sensor system comprises: a setting unit for acquiring lighting intensity to a solar battery, consumption current, operation time, and operation interval at the time of operation of a load circuit, and capacity of a storage battery, on the basis of manipulation on a point image displayed by a display unit; a storage unit for storing a mathematical expression and parameter required for simulation; an arithmetic unit for calculating a variation in voltage of the storage battery to an elapsed time using setting information acquired by the setting unit and the mathematical expression and parameter; and the display unit for graphically displaying the variation in voltage of the storage battery to the elapsed time and displaying a pointer image for changing graphical display.SELECTED DRAWING: Figure 1
Patent JP-2019123640-A (JP)
Title: Glass cutting tool
Inventor: MIYOSHI KOZO
IPC: C03B33/10
Filed: 2018-01-17
Abstract: To provide a manual glass cutter holding tool, and a glass cutting tool, capable of adjusting the position of a cutter chip corresponding to a plate thickness of glass, and simultaneously adjusting a pressing pressure of the cutter chip onto the glass.SOLUTION: A glass cutter holding tool has a mechanism in which a glass cutter holding tool 11 for supporting a cutter head 51 having a cutter chip 52 on the tip is attached to a cutter holding member 1 through a hollow screw 22, and each position of the cutter chip 52 and a glass sheet 7, and a pressing pressure therebetween can be adjusted simultaneously by a roulette nut 21 and a spring 4.SELECTED DRAWING: Figure 4
Patent JP-2019125179-A (JP)
Title: System, program, method and server for communication
Inventor: KURABAYASHI SHUICHI
IPC: G06F13/00
Filed: 2018-01-17
Abstract: To provide a system that more readily enables communication among a plurality of simultaneously starting applications.SOLUTION: The present invention relates to a system for conducting communication among a plurality of applications acting in a portable terminal device, and the portable terminal device comprises: a token generation unit that generates a token; an issue unit that transmits to a server an issue message including the token and payload for transmitting to other application by one application acting in the portable terminal device; and a subscription unit that transmits a subscription message including the token indicative of the other application capable of receiving data to be transmitted from the issue unit to the server. The server is configured to: store the toke included in the subscription message; when receiving the issue message, collate the token included in the issue message with the token included in the stored subscription message; and when a result of the collation satisfies a prescribed condition, transmit the payload to the other application.SELECTED DRAWING: Figure 1
Patent JP-2019122938-A (JP)
Title: Wall paper holding reel
Inventor: KATAOKA YUTA
IPC: B05C13/00
Filed: 2018-01-18
Abstract: To provide a wall paper holding reel capable of using a plurality of core rods having different diameters by using a side plate which can insert the core rods having the different diameters and can be fixed to the core rods, with due regard to that, when the core rods having different diameters are inserted through core rod insertion holes in such state that the core rods are deviated, the core rods come off and, when fixation comes off, wrinkles are produced on the wall paper.SOLUTION: A wall paper holding reel includes core rods inserted to wall paper raw sheet, a side plate provided with core rod insertion holes for inserting the core rods and a fixing screw. Therein, the side plates between which right and left ends of the wall paper raw sheet inserted by the core rods are put are fixed to the core rods by fastening the fixing screw and are fitted to a wallpaper pasting machine. Therein, the core rod inserted through the core rod insertion hole is abutted onto the core rod insertion hole at two points and, therefore, the core rods having different diameters are used.SELECTED DRAWING: Figure 1
Patent JP-2019125975-A (JP)
Title: Underwater radio connection service providing device
Inventor: TSUKADA SHINGO
IPC: H04B5/00
Filed: 2018-01-18
Abstract: To flexibly provide a radio connection point underwater.SOLUTION: An underwater radio connection service providing device includes a shielded cable having a leakage hole in part and a waterproof sheath covering at least around the leakage hole of the shielded cable laid underwater. There is an air layer between the waterproof sheath and the shielded cable. The leakage hole and the air layer are provided according to a communicable range. A radio apparatus is enabled to communicate when the radio apparatus is made to touch with or come close to the waterproof sheath in the communicable range, or when it is touched with and pushed into the flexible waterproof sheath.SELECTED DRAWING: Figure 1
Patent JP-2018090595-A (JP)
Title: Compositions for treating hyperlipidemia comprising oxyntomodulin derivatives
Inventor: JUNG SUNG YOUB
IPC: A61P43/00
Filed: 2018-01-19
Abstract: PROBLEM TO BE SOLVED: To provide compositions comprising an oxyntomodulin derivative as an effective component for preventing or treating hyperlipidemia, fatty liver diseases or arteriosclerosis.SOLUTION: The invention relates to a composition for preventing or treating hyperlipidemia, fatty liver disease or arteriosclerosis comprising an oxyntomodulin derivative as an effective component, where the derivative comprises an amino acid sequence selected from the group consisting of SEQ ID NOs: 2-34. The oxyntomodulin derivative of the invention has higher activity to GLP-1 receptor and glucagon receptor than the native oxyntomodulin, reduces the blood total cholesterol, low density cholesterol and triglyceride levels, which have increased due to high fat diet, and increases the high density cholesterol level and the high density cholesterol/low density cholesterol ratio.SELECTED DRAWING: Figure 5
Patent JP-2019127608-A (JP)
Title: Electrode structure used for electrolytic burning removal device
Inventor: NOMURA YUKIMASA
IPC: C25F7/00
Filed: 2018-01-22
Abstract: To provide an electrode structure used for an electrolytic burning removal device that can press an electrode against a welding burnt part of a welded product with good pressure.SOLUTION: An electrolytic burning removal device 10 is for removing a burning of a welding burnt part using an electrochemical action by electrically energizing between the welding burnt part of a welded product W and an electrode covered with a water-bearing electrical-short prevention material 28 into which electrolyte is impregnated. The electrode structure 20 used for the electrolytic burning removal device 10 comprises a base part 21 and an electrode part 25 covered with the electrical-short prevention material 28 supported by the base part 21. A tip part of the electrode part 25 for being pressed against the welding burnt part Wa has a salient curved surface 27a.SELECTED DRAWING: Figure 3
Patent JP-2019126955-A (JP)
Title: Method for producing cyclic olefin-based resin molded product
Inventor: FUJIMURA FUTOSHI
IPC: B29C45/74
Filed: 2018-01-24
Abstract: To provide a method for producing a cyclic olefin-based resin molded product that can suppress a contamination of black spots into the molded product due to oxidative degradation of the resin while suppressing an introduction cost and is excellent in product yield during continuous operation.SOLUTION: A cyclic olefin resin composition includes a cyclic olefin resin [A], a hindered amine compound [B], and a phenol compound [C]. When a total content of a cyclic olefin resin [A] in the cyclic olefin resin composition, the hindered amine compound [B] and the phenol compound [C] is 100 mass%, a content of the hindered amine compound [B] is 0.05 mass% or more and 5 mass% or less, and the content of the phenolic compound [C] is 0.05 mass% or more and 2 mass% or less, and an oxygen concentration at a supply port 15 of a cylinder 10 when the cyclic olefin resin composition is melted using a screw 20 is 10 vol.% to 30 vol.%.SELECTED DRAWING: Figure 1
Patent JP-2019129242-A (JP)
Title: Mounting structure for door for electronic equipment casing
Inventor: HIGURE MASARU
IPC: H05K5/03
Filed: 2018-01-25
Abstract: To provide a mounting structure of a door for an electronic equipment casing in which a hinge is prevented from being broken down even when a force is applied to an opened door in a further opening direction, and workability of a work to write letters on a label attached to a rear surface of the door is increased.SOLUTION: A mounting structure of a door of an electronic equipment casing 1 comprises: protruding portions 21 provided on a left side wall 11 and a right side wall 12 of the electronic equipment casing; and hole portions 24 provided on a door 4. The protruding portions 21 and the hole portions 24 are respectively provided on both sides between which an opening 3 is sandwiched, and a hinge 6 by which the door 4 is supported so as to be freely openable/closeable in an engagement state in which the protruding portions 21 are engaged with the hole portions 24 is configured. Top ends of the protruding portions 21 and opening edge parts of the hole portions 24 are respectively formed with inclined planes 25, 32 for detachment on which when the door 4 is pressed in a direction away from the electronic equipment casing 1 in the engagement state, a thrust is generated in a direction in which the engagement state is canceled. The door 4 comprises: the hole portions 24; and projecting pieces 31 which elastically deform by the thrust.SELECTED DRAWING: Figure 1
Patent JP-2018061909-A (JP)
Title: Mattress for gatch bed
Inventor: MITSUGI YUTO
IPC: A47C27/15
Filed: 2018-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a mattress for a gatch bed that can prevent deviation of a mattress in the longitudinal direction of a gatch bed at the time of elevation of a back bottom of the bed, and that can also prevent deviation of a bed user who lies on the mattress.SOLUTION: A mattress body 1 has cushioning properties and supports the weight of a bed user. The mattress body is covered with a cover 40. In the mattress body 1, the portion corresponding to the thighs of the bed user is made of urethane material harder than the portion corresponding to the lumbar and the back of the bed user. As a result of this, the thighs are supported by the hard material and thus less likely to sink, which prevents the bed user himself or herself from being deviated toward the foot with respect to the mattress body at the time of elevation of the back bottom.SELECTED DRAWING: Figure 1
Patent JP-2019132663-A (JP)
Title: Ultrasonic flaw detection method
Inventor: UEDA YOSHIHISA
IPC: G01N29/06
Filed: 2018-01-30
Abstract: To provide an ultrasonic flaw detection method with which it is possible to accurately calculate the positions and the number of flaws.SOLUTION: The present invention includes the steps of: detecting a flaw in a material to be inspected for flaws using a plurality of array type ultrasonic probes; generating a two-dimensional image per ultrasonic probe with respect to a cross section; synthesizing two-dimensional images per ultrasonic probe and generating a general two-dimensional image of the entire cross section of the material to be inspected for flaws; and synthesizing the general two-dimensional images with respect to a plurality of cross sections in the longitudinal direction of the material to be inspected for flaws and generating a general three-dimensional image of the whole of the material to be inspected for flaws. In the flaw detection step, the plurality of ultrasonic probes are arranged so that there is an overlapping flaw detection area where each of the flaw detection areas of the plurality of ultrasonic probes overlaps. In the general two-dimensional image generation step, the two-dimensional images are synthesized so that all of prescribed reference positions located within the overlapping flaw detection area of two-dimensional images per ultrasonic probe match, in which way the general two-dimensional image is generated.SELECTED DRAWING: Figure 4
Patent JP-2019130097-A (JP)
Title: Game machine
Inventor: SONODA YOSHIAKI
IPC: A63F7/02
Filed: 2018-01-31
Abstract: To increase interest of a game by executing a predetermined performance so that a player can easily pay attention, when executing a predetermined performance related to a variation display game.SOLUTION: In a game machine, performance control means can generate a display image to be displayed on the screen of a display device on the basis of a display layer for displaying a predetermined performance, when executing a specific performance, performs display to displace display objects to different shapes, after executing a displacement suggestion performance suggesting to displace predetermined display objects included in the predetermined display layer on the basis of the display objects.SELECTED DRAWING: Figure 212
Patent JP-2019131261-A (JP)
Title: Foam widget
Inventor: SAKATA KOTA
IPC: B67D1/04
Filed: 2018-01-31
Abstract: To provide a foaming widget capable of efficiently foaming drink when a drink container is uncapped.SOLUTION: A foam widget 100 of the present invention comprises: a chamber 1 defining a storing space S of gas; an intake path 16a which is arranged above the chamber 1 and allows supply of gas into the storing space S; an intake valve 2 which allows charge of gas from outer section through the intake path 16a and prevents discharge of gas; an ejection hole 24a which is arranged below the chamber 1 and allows ejection of gas in the storing space S to outer section; and an ejection side cylindrical part 24 which is arranged at outside of the ejection hole 24a in radial direction and extends in the storing space S from a lower part of the chamber 1 to upper side.SELECTED DRAWING: Figure 1
Patent JP-2019135466-A (JP)
Title: Collector and collection method for organic solvent, and method for measuring amount of organic solvent
Inventor: MIYAUCHI HIROYUKI
IPC: B32B27/12
Filed: 2018-02-05
Abstract: To provide a collector capable of easily designing its shape such as a sheet-like shape, and capable of being installed easily according to a measurement purpose.SOLUTION: A collector 10 has an adsorption layer 1 of an activated carbon fiber, a coating part covering the adsorption layer 1, and a ventilation part provided at a part of the coating part. The ventilation part has a polyolefin-based porous film 21 and a nonwoven fabric 22 laminated. The nonwoven fabric 22 uses a ventilation material 2A provided at an adsorption layer 1 side of the activated carbon fiber. Air permeability of the ventilation material 2A is 10,000 sec/100 cc or more, and moisture permeability of the ventilation material 2A is 500 g/mday or less.SELECTED DRAWING: Figure 2
Patent JP-2018174127-A (JP)
Title: Light emitting device and lighting module
Inventor: Liao yi hui
IPC: H05B45/50
Filed: 2018-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a light emitting device and a lighting module which are adopted for improving user experience by providing various optical patterns for users.SOLUTION: A light emitting device and a lighting module include: a circuit board 101; a plurality of light sources 102; and an optical element 103 including a light-transmitting element 1031 and an interference element 1032. The plurality of light sources 102 are arranged on the circuit board 101 so as to illuminate the optical element 103. The optical element 103 is arranged above the plurality of light sources 102. The interference element 1032 is arranged on the light-transmitting element 1031, and used for allowing the light radiated from each of the light sources to offset the interference in a first polarization direction, to reinforce the interference in a second polarization direction and to radiate through the light-transmitting element.SELECTED DRAWING: Figure 2A
Patent JP-2019137137-A (JP)
Title: Truck for railway vehicle
Inventor: NIIMURA HIROSHI
IPC: B61F5/10
Filed: 2018-02-07
Abstract: To provide a bolsterless railway truck simply structured and capable of improving riding comfort.SOLUTION: This truck for a railway vehicle has an air spring 120 and a vehicle body inclination device 150 that inclines a vehicle body 110 by using the air spring 120, and comprises: a beam 211 that receives the air spring 120 provided below the vehicle body 110; a truck frame 250 that supports a wheel shaft 270; a link arm 230 that is rotatably connected at both ends to an arm lower end 213 of an arm 212 extending downward from the end of the beam 211 and the truck frame 250; a through-hole 215 through which a center pin 112 extends from the vehicle body 110 side on the center of the beam 211; and horizontal motion stoppers 216 that limit the horizontal motion of the center pin 112 on both sides of the through-hole 215.SELECTED DRAWING: Figure 1
Patent JP-2018088928-A (JP)
Title: H3 equine influenza a virus
Inventor: OLSEN CHRISTOPHER W
IPC: A61P37/04
Filed: 2018-02-13
Abstract: PROBLEM TO BE SOLVED: To provide H3 equine influenza A virus.SOLUTION: The invention provides an isolated H3 equine influenza A virus. This virus was isolated from a foal that succumbed to a fatal pneumonia, which virus has a characteristic substitution at residues 78 and 159 of HA (numbering of positions is according to a mature protein which lacks a 15 amino acid signal peptide), that is, the residue at position 78 of HA is not valine, and the residue at position 159 is not asparagine. In one embodiment, the isolated H3 influenza A virus has a conservative substitution at residue 78, for example, substitution from valine to alanine, and at residue 159 a nonconservative substitution, for example, from aspartic acid to serine.SELECTED DRAWING: None
Patent JP-2018112391-A (JP)
Title: Combustor for solid fuel and boiler
Inventor: TOYODA HIROMI
IPC: F23L9/02
Filed: 2018-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a combustor and boiler, capable of preventing clinker from adhering to a refractory wall (wall surface) in a combustion furnace, upon combusting bamboo chips in the combustion furnace.SOLUTION: A combustor includes: a combustion furnace 5 at a bottom part 5b of which a fuel supply port 11 is formed, and at an upper part 5c of which a combustion gas discharge port 12 is formed; a fuel supply unit 6 configured to supply bamboo chips from the fuel supply port 11 of the combustion furnace 5 into the furnace; and air supply units 7, 39 configured to supply air so as to generate swirl flow at the lower part of the combustion furnace 5. At a position in a vertical direction of the combustion furnace 5, a constricted part 9 is formed. Provided are auxiliary air supply units 7, 40 configured to supply air from an inner peripheral surface of the constricted part 9 so as to cause air swirl flow passing through the constricted part 9.SELECTED DRAWING: Figure 1