baber/WOPTO huggingface dataset:
Patent FR-2584394-B1 (FR)
Inventor: DECAUDIN ROBERT
IPC: B01J27/00
Filed: 1985-07-03
Granted: 1987-09-25
Abstract: Underbrominated products which are difficult to isolate from the solutions in which they are present are perbrominated by performing an additional bromination in the presence of a bromination catalyst and refluxing the mixture until prebromination is complete.
Patent FR-2593654-B1 (FR)
Inventor: GABRIAGUES JEAN-MICHEL
IPC: H04J14/02
Filed: 1986-01-28
Granted: 1988-03-11
Abstract: The system comprises subscriber stations (1, 2) each comprising a semiconductor laser generator (4) provided with means (3, 5) for modulating its laser output by means of transmit signals and a heterodyned detection system consisting of a photoelectric receiver (15) optically coupled to a local oscillator (17), an exchange (32) comprising a computer (37) and dual cavity semiconductor laser transmitters (39) connected to the outputs (38) of the computer, a passive optical distributor (31), and optical fibers (16, 8) connecting the lasers (4) and receivers (15) of each station with the optical distributor (31), on the one hand, and the lasers (4) of each station to the exchange (32), on the other hand, the computer assigning an optical frequency for each requested call and the laser transmitters of the exchange being operable to lock the transmit optical frequency of the calling and the called station lasers (4, 104), via optical fiber lines (8), on the frequency assigned by the computer.
Patent FR-2625047-B1 (FR)
Inventor: CACHEUX JEAN
IPC: H02J15/00
Filed: 1987-12-21
Granted: 1990-05-18
Abstract: According to the invention use is made of two superconducting turns (S and S') which are coupled by mutual induction, and a high-permeability magnetic circuit (M). <??>Application to energy storage.
Patent FR-2627696-B1 (FR)
Inventor: CURTET BERNARD
IPC: A61K31/215
Filed: 1988-02-26
Granted: 1991-09-13
Abstract: The invention relates to a new pharmaceutical dosage form of fenofibrate, which contains fenofibrate comicronised with a solid surfactant. 
<??>It also relates to the process for preparing this pharmaceutical dosage form and its use for improving the in vivo bioavailability.
Patent FR-2642800-B1 (FR)
Inventor: XAVS LUIS
IPC: F16B37/04
Filed: 1989-02-07
Granted: 1991-05-03
Abstract: The device for attachment to a hollow member (10) of constant closed cross-section comprises a support (20) with one or two nuts (22,24), one of which is mounted pivotably and slidably on a support (20). The assembly of support (20) and nuts (22,24) is inserted inside the member (10) through one of the holes, the nuts (24,22) being presented edgeways in order to pass through the hole. Once the support (20) has been inserted, backwardly-bent lateral tabs (34) come to bear on the edges of the hole, and a pivoting followed by a sliding of the pivotable nut (22) fastens the assembly inside the member (10), with the fixed member (24) being positioned over a hole in the adjacent wall.
Patent FR-2666911-B1 (FR)
Inventor: LOUIS PERRET
IPC: A01B63/22
Filed: 1990-09-19
Granted: 1992-12-18
Abstract: The device is entirely located on the plough and comprises a computer (13), with a memory containing the inherent parameters of the plough and the tractor; two position sensors (15, 16) sending a signal representing the angle of rotation of the frame (5) with respect to a coupling bar (4) of the tractor and respectively the angle of rotation of the support arm (9) of the wheel (8) with respect to the frame (5); a revolutions counter sending to the computer a signal representing the distance travelled; a computer (13) generating a control signal for the electrovalve (19) which regulates the retraction and extension of the jack (11) adjusting the height of the frame (5) with respect to the rear wheel (8), in order to obtain a progressive insertion and removal of the working tools at the start and end of a furrow.
Patent FR-2729993-B1 (FR)
Inventor: RELMONT BRUNO
IPC: E04H4/10
Filed: 1995-04-05
Granted: 1997-04-18
Abstract: The cover consists of a layer (3) of a supple material with dimensions to fit the pool and fastened to transverse reinforcing bars (4). The bars are made from triangular-section extrusions, each with a base (20) which has its ends resting on the edges of the swimming pool and at least one side (21) which faces away from the direction in which the cover is rolled and forms an angle (22) of less than 70 degrees with the base. The reinforcing bars fit into sleeves (25) on the covering layer's upper surface or, in a variant each one can be in the form of an extrusion with grooves along its two opposite sides to receive separate sections of the cover. The cover is made from a synthetic, e.g. composite, material.
Patent FR-2767710-B1 (FR)
Inventor: GALY PHILIPPE
IPC: A63C17/22
Filed: 1997-08-28
Granted: 1999-10-22
Abstract: The skate wheel is made with a tread (26) of an adhesive supple material and has a rigid reinforcing element (24) with one face (28) in contact with the tread's inner surface. The reinforcing element covers a substantial portion of the wheel's width opposite the thicker middle region of the tread, and a shock absorbing layer (22) is incorporated between the reinforcing element and the wheel hub (10). The tread is 2 - 5 mm thick, and can be made from rubber or a polymer, and produced by injection, gravity flow or vulcanization. The reinforcing element can be made from any material which is harder than the tread, e.g. of metal or a composition material, and the shock absorbing layer can be made from a polymer. The wheel hub can be made from a variety of materials, e.g. aluminum or a polymer, or a magnesium-titanium alloy, made by molding, injection, gravity flow, extrusion or stamping, forging or pressing in one piece or in a number of pieces joined by machining, crimping or adhesion.
Patent FR-2785457-B1 (FR)
IPC: H01R9/24
Filed: 1998-10-30
Granted: 2001-03-23
Abstract: The system uses a removable bridging element to connect the two sets of electrical connections. The connection for a lamp fitting comprises a first set of electrical contacts (10) including terminals for connection to the electrical supply network, and a second set of electrical contacts (12) for connection to the cables which are connected to the light fitting. The first and second contact sets are positioned facing each other without any electrical connection between them. A third element (14) is intended to co-operate with the first and second contact sets forming a bridge between the supply network and the lamp contacts. The third section comprises a block which its on to the top of the first and second contact sets, providing a clear indication that the contact sets are electrically connected.
Patent FR-2796407-B1 (FR)
Inventor: DE LACAZE NORBERT
IPC: E04B9/22
Filed: 1999-07-15
Granted: 2001-09-07
Abstract: The false ceiling consists of reinforced concrete slabs (1) with fixings (3, 4), mounted on fastening members (5) fixed to a secondary frame (2). The fixings, made e.g. in the form of threaded rods, can be attached to reinforcing elements inside the concrete slabs, which have flexible joints between adjacent edges. The upper surfaces of the slabs are covered by at least one layer (7, 8) of a thermal insulation material and ribbed metal sheets (6), while their lower surfaces have a finishing layer (14).
Patent FR-2801607-B1 (FR)
Inventor: GOUTEBROZE SYLVAIN GABRIEL
IPC: C12N5/02
Filed: 1999-11-26
Granted: 2001-12-28
Abstract: An immunogenic preparation or vaccine against avian pneumovirosis, comprising an antigen of the avian pneumovirus strain C990427, in a vehicle or excipient which is acceptable from the veterinary point of view and, optionally, an adjuvant.
Patent WO-03017976-B1 (WO)
Inventor: MEADOWS JOHN
IPC: A61K9/107
Filed: 2002-08-23
Abstract: Drugs which are difficult to solubilise in water, and especially those which otherwise cause pain on injection, can be readily formulated and typically administered with substantially less pain when solubilised in synergistic, aqueous micellar preparations of poloxamers. Such preparations may also be prepared with less, or without, co-solvents.
Patent HR-P950274-B1 (HR)
Title: Process for treating a medium containing organic constituents
Inventor: YADEGARDJAM FARSIN
IPC: C02F1/02
Filed: 1995-05-05
Abstract: Oxidative treatment of a medium contg. organic components comprises (a) heating the medium, (b) heating the medium under pressure while at least periodically injecting an O2-contg. gas, and (c) adding H2O2 to the medium between steps (a) and (b) or during step (b).
Patent HU-223149-B1 (HU)
Inventor: PENNING KLAUS
IPC: G01F3/22
Filed: 2000-03-01
Abstract: A forgattyús hajtásnak van egy tengely körül forgatható alkatrésze(1), amellyel egy forgattyúelem (2) forgásbiztosan van összekötve. Aforgattyúelemen egy lengőkar (4) van egy leágazási elem (3) számáralengésre képesen ágyazva. Elő van irányozva továbbá egyhőmérsékletfüggő kompenzálási elem (7), amely a forgattyúelementámaszkodik és a lengőkarba kapcsolódik bele, hogy megszabja annakpozícióját. A leágazási elem eltolhatóan van elrendezve a lengőkaron,és belekapcsolódik a forgattyúelem (2) egy kulisszájába (6), miközbena kulissza annak a hőmérséklet-- érzékeny berendezésnek akészülékspecifikus hőmérséklet-függőségéhez van hozzáigazítva,amelynek alkatrészét képezi a forgattyús hajtás. A leágazási elemmegfelelő radiális és tangenciális átállítása (löket és előresietés)révén a kompenzálási elem által előidézve és a kulissza (6) megfelelőalakítása által megszabva optimálható a hőmérsékletfüggő berendezéshibagörbéje. ŕ
Patent HU-222190-B1 (HU)
IPC: C07C59/255
Filed: 2000-07-04
Abstract: A találmány tárgya a környezetbarát eljárás 14–40 tömeg%-os vizes d-borkősav-oldat előállítására kalcium-d-tarta- rátból emelthőmérsékleten történő kénsavas kezelés, majd a kivált kalcium-szulfátszűrése, és a regenerált d-borkő- savat tartalmazó anyalúgelkülönítése útján. A találmány értelmében úgy járnak el, hogy akalcium-d-tartarátot 30–40 tömeg%-os vizes kénsavoldatba adagolják55–60 °C-on, és a reakció befejeződése után a 0,9–1,1 közötti pH-értékű szuszpenzióból 0,1 mg/dm3-nél kisebb cianidtartalmú kalcium-szulfátot szűrnek. ŕ
Patent HU-228489-B1 (HU)
Title: Expression system for factor viii
Inventor: CHO MYUNG-SAM
IPC: A61P7/04
Filed: 1999-12-08
Abstract: The invention concerns glycosylated proteins having human factor VIII activity. In a preferred embodiment, the protein is glycosylated with oligosaccharides that include an alpha-(2,6)-linked sialic acid and a bisecting GlcNAc linked to a core beta-mannose.
Patent HU-230497-B1 (HU)
Title: Belt-mounting structure
Inventor: YOUHEI AMEMIYA
IPC: B60J10/79
Filed: 2013-11-07
Abstract: A belt mounting structure is attached to the upper edge of an outer-vehicle door plate, wherein the door plate comprises a plate body which extends from the upper end downwards, and inward-inclined leaves which obliquely extend from the lower end of the plate body that extends downwards. The cross section of the belt is reverse-U-shaped and furthermore comprises an outer-vehicle side wall, in-vehicle side wall, and a connecting wall between the outer-vehicle side wall and the in-vehicle side wall, wherein the belt further comprises an insertion slot into which the inward-inclined leaves are inserted. The insertion slot is formed in the inner surface of the in-vehicle side wall at the vehicle door plate side. Furthermore the surface of the inward-inclined leaves outside the vehicle and the surface of the inward-inclined leaves inside the vehicle contact with the inner surface of the insertion slot.
Patent HU-221626-B1 (HU)
Title: Process for producing fluoxetine
Inventor: ITOV
IPC: A61P25/26
Filed: 1992-08-10
Abstract: 4-methyl-3-[(4-trifluormethyl)phenoxy]-3-phenyl propylamine (I) is prepared by reacting 3-dimethylamino-1-phenyl-1-propanol (III) with haloformate (VII) to obtain a substituted propyl carbamate (IX) which is hydrolyzed under basic conditions to yield methylamino-1-phenyl-1-propanol (X). The methylamino-1-phenyl-1-propanol is then converted to fluoxetine (I) by reaction with 4-halobenzotrifluoride (XI). In the process certain substituted carbamates are obtained as intermediates.
Patent HU-225074-B1 (HU)
Title: Magnetic particles, substrate comprising such particles, security document and method for detecting such particles
Inventor: BURRELL JONATHAN
IPC: G07D7/04
Filed: 1997-12-12
Abstract: A method for detecting the presence of magnetic elongated particles in a substrate the base material of which has magnetic properties substantially differing from the corresponding magnetic properties of the elongated particles. The elongated particles have such a long and thin form that their demagnetisation factor N is smaller than +E,fra 1/250+EE , they have a diameter smaller than 30 micrometer and a magnetic saturation field greater than 100 A/m. The method comprising the following steps: (a) emitting an electromagnetic source signal of one or more particular base frequencies to the substrate so that any present magnetic elongated particles go into a non-linear part of their B-H curve for at least part of a cycle of the source signal; (b) detecting an electromagnetic detection signal emanating from the substrate; (c) testing the detection signal for the presence of particular higher harmonics of the base frequencies or of any linear combination of the base frequencies or of the harmonics, the particular higher harmonics being indicative of the presence of the magnetic elongated particles.
Patent JP-3005612-B1 (JP)
Title: 自動分銅校正装置
IPC: G01G23/01
Filed: 1999-02-10
Granted: 2000-01-31
Abstract: 【要約】
【課題】 内蔵標準用分銅の分量・倍量法による自己校 正と、これに基づく被検分銅の等量校正が、共に校正理 論に基づいたコンピュ−タ制御により自動的に行われ る。
【解決手段】 秤量部１、内蔵標準用分銅３、内蔵吊り 合わせ用分銅４、測定制御部２、内蔵標準用分銅加除機 構１７、内蔵吊り合わせ用分銅加除機構１８、外部標準 用分銅荷重交換機構１９を備え、外部標準用分銅４４を 利用して自動的に内蔵標準用分銅又は外部被検分銅の自 動校正を行う。内蔵標準用分銅３、吊り合わせ用標準分 銅４は、夫々上下可能な複数の分銅から成り、複数の分 銅が内蔵標準用分銅加除機構１７、吊り合わせ用標準分 銅加除機構１８により標準用天秤皿１５、吊り合わせ用 天秤皿３１上に選択的に載置される。
Patent JP-3030702-B1 (JP)
Title: ロ―ラ装置におけるスクレイパ―装置
IPC: B65G45/04
Filed: 1999-02-25
Granted: 2000-04-10
Abstract: 【要約】
【課題】  この発明は、摺動ローラが摺動した場合にも スクレイパーと摺動ローラ円周面当接部との当接条件を 一定に保つことを目的としたものである。
【解決手段】  定位置回転ローラと、摺動ローラとの一 対のローラによって、粉砕、圧扁加工などを行うローラ 装置において、摺動ローラの軸受けに、該摺動ローラの スクレイパーの保持部を設けたことを特徴とするローラ 装置におけるスクレイパー装置。
Patent JP-2871673-B1 (JP)
Title: ドプラー効果模擬方法、ドプラー効果模擬装置及び記録媒体
IPC: G01S7/40
Filed: 1998-03-11
Granted: 1999-03-17
Abstract: 【要約】
【課題】移動体の移動状態を限られた静止空間で連続的 に効率よく模擬できるドップラー効果模擬方法及び装置 並びに記録媒体を提供する。
【解決手段】移動体１からの投射波が回転反射器２で反 射されて得られる反射波に基づき移動体１の移動状態を 模擬する。この場合、回転反射器２が搭載された機器の 前後方向をＹ軸とする３次元座標系の原点に移動体１を 配置し、Ｘ軸からの角度φ i （但し、ｉ＝１，２，・・ ｎ、ｎは任意の正の整数）方向に回転反射器２を配置す る。そして、移動体１がＸ軸からの角度θ方向に水平速 度Ｖ xy 及び垂直速度Ｖ z で移動する状態を模擬する場合 に、Ｙ軸方向の速度成分Ｖ y を『Ｖ xy ×ｓｉｎθ』で算 出し、Ｘ軸方向の速度成分Ｖ x を『Ｖ xy ×ｃｏｓθ』で 算出し、回転数Ｒ i を『Ｖ y ×α y ×ｓｉｎφ i ＋Ｖ x ×α x   ×ｃｏｓφ i ＋Ｖ z ×α z 』で算出し、この回転数Ｒ i で角 度φ i 方向の回転反射器２を回転させる。但し、α x 、α   y 、α z は補正係数である。
Patent JP-2881584-B1 (JP)
Title: 温水式床暖房装置
IPC: F24D3/16
Filed: 1998-03-04
Granted: 1999-04-12
Abstract: 【要約】
【目的】温水式床暖房の伝熱性能を改善向上すると共 に、機材のコストダウン、設置時の付帯工事の減少を目 的とする。
【構成】内径１０ｍｍ以下の小径チューブに空気と液体 の混合流を吐出し気液を分離したままの状態で流動せし める流体回路で、吐出ポンプ、気液分離器、気液混合 部、液体加熱器、連結管から構成しており、数ｃｍ間隔 で床面に敷設した長いチューブに加熱された気液を吐出 循環させる。
Patent NL-2015519-B1 (NL)
Title: Module voor het vormen van een logistiek systeem, voet voor gebruik in een dergelijke module en logistiek systeem.
Inventor: GERARDUS JOHANNES THEODORUS MARIA MAAS
IPC: B65G21/06
Filed: 2015-09-28
Granted: 2017-04-20
Abstract: Module voor het vormen van een logistiek systeem, omvattende een transporteur voor het transporteren van objecten; een draagframe voor het houden van de transporteur; ten minste een eerste en een tweede koppelelement, waarbij het ten minste ene eerste en het ten minste ene tweede koppelelement zich aan overstaande zijden van de module bevinden, en waarbij het ten minste ene eerste en het ten minste ene tweede koppelelement zich hoofdzakelijk als vlak uitstrekken over ten minste een halve breedte van het draagframe loodrecht op de transportrichting en bij voorkeur hoofdzakelijk de gehele breedte van het draagframe loodrecht op de transportrichting, en waarbij de koppelelementen in een gekoppelde toestand de onderlinge positie van de eerste en de tweede module althans in een vlak hoofzakelijk loodrecht op de zwaartekrachtsrichting vastleggen.
Patent NL-2018209-B1 (NL)
Title: Device to insert a wick into a plant pot, assembly of device and wick, and production method of the device
Inventor: ANTHONY VISSER
IPC: A01G27/04
Filed: 2017-01-23
Granted: 2018-07-30
Abstract: The present disclosure relates to a device to insert a wick into a plant pot, an assembly of the device and the wick, as well as a method of making the device. The device is configured to insert a wick in substrate contained in a plant pot, and comprises an elongate body; and at least one wick clamp configured to engage a wick at at least one longitudinal end of the elongate body. Preferably, the clamp extends over essentially the whole length of the elongate body. Wicks maybe assembled with the device automatically or manually.
Patent NL-2021149-B1 (NL)
Title: Method and system for the purification of contaminated water
Inventor: YURIY ZABULONOV
IPC: C02F9/00
Filed: 2018-06-19
Granted: 2020-01-06
Abstract: A B S T R A C T The invention pertains to a system and method for the purification of contaminated water. The method comprises the following steps: 5 - adding a coagulant to contaminated water, which contaminated water contains organic contaminants, - then, generating hydrodynamic cavitation in contaminated water, thereby mixing the contaminated water with the coagulant and forming agglomerates of organic contaminants present in the contaminated water, 10 - then, separating the formed agglomerates from the water, thereby obtaining partly purified water which contains remaining organic contaminants, - then, oxidizing remaining organic contaminants in the partly purified water, thereby obtaining purified water.
Patent NL-2021681-B1 (NL)
Title: Electrospinning method and apparatus
Inventor: RAMON HUBERTUS MATHIJS SOLBERG
IPC: D01D11/00
Filed: 2018-09-21
Granted: 2020-05-07
Abstract: Electrospinning apparatus and method for electrospinning of material by ejecting spinning material from a nozzle outlet (3a). The electrospinning apparatus includes a spinning material supply unit (6), a nozzle unit (3) with a nozzle outlet (3a), a collector unit (1) for collecting a fibre (8) formed during operation ofthe electrospinning apparatus and a voltage supply unit (2) for applying a voltage difference between the nozzle unit (3) and collector unit (1). An imaging device (4) is present for capturing an image of a conus (7) and the fibre (8) being formed during operation, as well as a processing unit (5) connected to the imaging device (4), spinning material supply unit (6) and voltage supply unit (2). The processing unit (5) is arranged to determine a shape ofthe conus (7), and control operation ofthe electrospinning apparatus based on the determined shape ofthe conus (7).
Patent NL-2022588-B1 (NL)
Title: Tray for transferring drinkware
Inventor: DJAFAR HOKMABAD
IPC: B65D71/70
Filed: 2019-02-15
Granted: 2020-08-28
Abstract: The present invention relates to a tray and more particularly, to a tray for transferring drinkware. The present invention is in the field of a device for carrying drinking glasses, wherein the device comprises at least one plate, where through openings are provided, in which drinking glasses can be placed. These drinking glasses are maintained in their position by their own circumference.
Patent NL-2024060-B1 (NL)
Title: Dermal filler composition
Inventor: JASPER JOHANNES FRANCISCUS VAN GOOL
IPC: A61L27/52
Filed: 2019-10-18
Granted: 2021-06-22
Abstract: The invention relates to a dermal filler composition in the form of a gel, comprising a carrier fluid comprising water and/or a polyalcohol; a cross-linked glycosaminoglycan; and spherical microparticles of a cross-linked polysaccharide having an average diameter in the range of 10—200 pm. The filler provides a volumizing effect as well as a biostimulating effect when injected into skin tissue.
Patent NL-2026794-B1 (NL)
Title: X-ray tube assembly
Inventor: TOSHIMI WATANABE
IPC: H01J35/12
Filed: 2020-10-29
Granted: 2021-09-10
Abstract: According to one embodiment, an X—ray tube assembly (1) includes a cathode (15) emitting electrons, an anode target (13) generating X—rays when the electrodes emitted from the cathode collide with the anode target, an anode block (14), a coolant pipe (7), and a protective film (PR). The anode block includes a tube portion (14a), and a bottom portion (14b) closing one end side of the tube portion and joined to the anode target. The coolant pipe is located on an inner side of the tube portion, includes an outlet (OL) from which a coolant is discharged toward the bottom portion, and forms a flow passage (FP2) of the coolant between the coolant pipe and the anode block. The protective film covers an inner surface (S14b) of the bottom portion and is formed of hard gold containing nickel. (FIG. 2) s… jim… m ‘ W v _ … vs / 9 ip: ::: Iiái {ß ß «sv ‚i\4 4ß “A“sa „ ‘ ‘ ‘ ‘a; ‚ S…, “\\—\\“ FIG.2
Patent NL-2027217-B1 (NL)
Title: Conveyor lamella, and conveyor floor with such a conveyor lamella
Inventor: FRANS ARIAN HEINO DE RAAD
IPC: B65G17/46
Filed: 2020-12-24
Granted: 2022-07-20
Abstract: The invention relates to a conveyor lamella for a conveyor floor, wherein. the conveyor floor is configured for conveying' a load. in a conveying direction extending between a first end and a second end of the conveyor floor, the conveyor lamella comprising an elongated lamella body having a first end and a second end, opposite to the first end in the longitudinal direction of the lamella body; and a friction. profile provided. at the upper surface of the lamella body and extending parallel to the longitudinal direction of the lamella body, wherein the friction profile is configured for increasing the friction coefficient between the conveyor lamella and a load placed thereon.
Patent NL-2030098-B1 (NL)
Title: Compound feed for relieving hepatic glycogen accumulation of micropterus salmoides and its preparation method
Inventor: CHUNYAN SANG
IPC: A23K40/10
Filed: 2021-12-10
Granted: 2023-06-27
Abstract: The present disclosure discloses a compound feed for alleviating hepatic glycogen accumulation of Micropterus salmoides and its preparation method. The compound feed can decrease the hepatic glycogen accumulation of Micropterus salmoides, improve its dietary carbohydrate utilization, and solve the problem of traditional feed feeding Micropterus salmoides suffers from liver damage and metabolic disorders due to its glucose intolerance.
Patent NL-2030695-B1 (NL)
Title: Flow test aid and using method thereof
Inventor: JING JIN
IPC: G01F1/00
Filed: 2022-01-25
Granted: 2023-05-19
Abstract: The present invention. discloses a flow test aid, comprising: a pair of rectangular frames of which four sides are hinged to each other; at least four inserting rods provided at four vertices of one of the rectangular frames, and perpendicular to a plane where the rectangular frames are located; at least four bushings provided at four vertices of another rectangular frame, at least four bushings corresponding to the positions of the at least four inserting rods and being provided in a manner capable of respectively accommodating free ends of the at least four inserting rods; and a scale, two ends of which are respectively hinged to midpoint positions of a pair of parallel sides of the rectangular frame, the scale being provided with a through groove along the length direction.