baber/WOPTO huggingface dataset:
Patent JP-2005179779-A (JP)
Title: Flow apparatus with ceramic abradable
Inventor: WILSON SCOTT
IPC: C23C4/10
Filed: 2004-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flow apparatus with a ceramic abradable for high operating temperature at about 1,200°C without needing the existence of structural surface.  <P>SOLUTION: In the flow apparatus having the abradable (10) made of a particle composite, that is, so-called composite (1) containing granular core particles (2) of a ceramic material having functional layers (22) on the surface (20), these layer forms an intermediate phase of this composite material which is stable at the high operation temperature, and this intermediate phase is produced on the particle surface (20) in situ at least in a part by a chemical reaction of a precursor material (22') and the material (21) of this granular core particles. Bonds (23) is formed between the granular core particles arranged in a porous composite material by the intermediate phase and these bonds have a breaking characteristic for abradable.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005118594-A (JP)
Title: Light measuring device
Inventor: MAKI ATSUSHI
IPC: A61B10/00
Filed: 2004-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light measuring method and a device capable of easily processing and displaying an image of a predetermined item based on information provided by its measurement by measuring a subject by the light measuring device.  <P>SOLUTION: In this light measuring device, a data analysis (arithmetic processing) after measurement processing is performed on the basis of a flow of an analytical flow indicated in the figure. An image screen displayed in a step 942 is an image screen indicated in the figure 33 (unillustrated), and a data analytical mode is selected here. An image screen displayed in a step 943 is an image screen indicated in the figure 34 (unillustrated), and here, a registered data file can be read in. An image screen displayed in a step 944 is an image screen indicated in the figures 43, 48 and 49 (unillustrated), and here, a data processing method (an arithmetic processing method) is set. An image screen displayed in a step 945 is an image screen displayed in the figure 53 (unillustrated), and here, an image is made, and is registered as a file via an image indicated in the displaying figure 63 (unillustrated) in a step 946.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006167649-A (JP)
Title: Decorative building board and its production method
Inventor: YAMAUCHI HIROYUKI
IPC: B41J2/01
Filed: 2004-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a production method of a decorative building board expressing a printing image of high resolution with inconspicuous printing nonuniformity, and also to provide the decorative building board obtained by it.  <P>SOLUTION: This method produces the decorative building board 1 with a design face to which ink jet printing is applied. The production method of the decorative building board 1 has an undercoating step in which an undercoat layer 3 is formed on a substrate 2, a bead spraying step for spraying many beads 4 on the undercoating layer 3, an intercoating step for forming an intercoating layer 5, and a printing step in which many ink droplets 610 are landed to form an ink dot 61 by the ink jet printing. The bead 4 has a diameter larger than the film thickness of the intercoating layer 5 and forms fine protrusions 51.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006176547-A (JP)
Title: Method for filling low-sulfur fuel oil
Inventor: KATSUMATA SATOSHI
IPC: C10G25/00
Filed: 2004-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for filling a low-sulfur fuel oil whereby the low-sulfur fuel oil prepared by removing sulfur components from a fuel oil can be filled by a simple means in a gas station, an oil refinery, or an oil storage facility.  <P>SOLUTION: The method for filling a low-sulfur fuel oil comprises, in the case of a gas station 1, installing a desulfurizer-filled desulfurization filter 5 in the fuel oil passage 4 between a fuel oil storage tank 3 placed in the gas station 1 and an automobile 2 and passing the fuel oil through the desulfurization filter 5 to refuel the automobile 2, comprises, in the case of an oil storage facility or an oil refinery, installing a desulfurizer-filled desulfurization filter in the fuel passage between a fuel oil storage section placed in the oil storage facility or the like and a tank truck and passing the fuel oil through the desulfurization filter to fill the tank truck with the fuel, and, in the case of an oil refinery, comprises installing a desulfurizer-filled desulfurization filter in the fuel oil passage between a fuel oil storage section placed in the oil refinery and an oil tanker and passing the fuel oil through the desulfurization filter to fill the oil tanker with the fuel oil.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006179563-A (JP)
Title: Manufacturing method of semiconductor device, semiconductor device, laminated semiconductor device, circuit board and electronic apparatus
Inventor: FUKAZAWA MOTOHIKO
IPC: H01L25/07
Filed: 2004-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a semiconductor device where flexural strength of a semiconductor element having a through electrode structure is improved, and to provide the semiconductor device, a laminated semiconductor device, a circuit board and an electronic apparatus.  <P>SOLUTION: The semiconductor device 1 is provided with the semiconductor element 10 and through electrodes 12 which pass through the semiconductor element 10 and project to an active face 10A-side where an integrated circuit of the semiconductor element 10 is formed and to a rear face 10B-side. The semiconductor device 1 is provided with a resin layer 15 which selectively covers a sidewall 10C of the semiconductor element 10 and a peripheral part of the through electrodes 12 projected from a rear face 10B.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006178679-A (JP)
Title: Content management system
Inventor: ITO HISAO
IPC: G06Q50/00
Filed: 2004-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and program for providing a content file so that content data are not reusable by preventing a purchaser of a content file from copying the content file, or a content management system.  <P>SOLUTION: This system comprises a provider terminal for providing content files, a purchaser terminal for purchasing or browsing content files, and a content providing server. The content providing server comprises a content file conversion means converting a content file transmitted by the provider terminal to a secondary use prevention file; a content presentation means presenting, in response to the purchaser terminal, a content file and information for the content file; and a sales means selling one content file in response to an instruction to purchase the one content file.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006178164-A (JP)
Title: Process unit and image forming apparatus
Inventor: NARUSE OSAMU
IPC: G03G5/05
Filed: 2004-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus that can favorably drive a photoreceptor while suppressing cleaning failure even when a toner by polymerization method is used.  <P>SOLUTION: A cleaning blade 133 used is entirely fixed to a holder 132 so that the end to be in contact with a photoreceptor 101 does not protrude from a free end of the holder 132, and the blade has 60 to 80 [°] JIS-A hardness. The blade is pressed under ≥1 [MPa] pressure to the counter direction of the photoreceptor 101 in such a manner that a contact angle which is the angle between the tangential line on the surface of the photoreceptor 101 with the blade and the surface of two surfaces of the blade opposing to the photoreceptor 101 is controlled to 15 to 45 [°].  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006179326-A (JP)
Title: Image display device and its manufacturing method
Inventor: YOKOZAWA NOBUYUKI
IPC: H01J31/12
Filed: 2004-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image display device and its manufacturing method with high-definition display images and capable of displaying images of excellent color reproducibility.  <P>SOLUTION: The image display device is provided with a first glass substrate 20 equipped with an electron beam source 21; a second glass substrate 30 opposed to the first glass substrate at a given interval, on which a plurality of phosphor areas 32 to 34 are formed, emitting light of given colors by being supplied with excitation energy; a dielectric layer 36 covering the phosphor areas of the second glass substrate and emitting ultraviolet rays of a given wavelength by being supplied with electron beams from the electron beam source; and a metal thin film 37 laminated on the dielectric layer, and reflecting light emitted from the phosphor areas by being supplied with at least either the electron beams from the electron beam source or the ultraviolet rays from the dielectric layer in a given direction of the second substrate, and giving the electron beam source a sweep voltage.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006178245-A (JP)
Title: Spectacle lens for for astigmatism correction
Inventor: MIURA HITOSHI
IPC: G02C7/02
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a spectacle lens for astigmatism correction with which distortion aberration can be balanced.  <P>SOLUTION: A toric surface as an astigmatism correction surface is formed on an object side (outside surface) of the lens and a toric surface as an astigmatism correction surface is also formed on the surface (inside surface) on the eyeball side of the lens. The direction where the curvature on the outside surface is maximized on these astigmatism correction surfaces is so set as to coincide with the direction where the curvature on the inside surface is maximized. As a result, the spectacle lens for astigmatism correction with which the distortion aberrations are balanced more satisfactorily than heretofore can be provided.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006176690-A (JP)
Title: Aromatic
Inventor: SOMEYA KEITA
IPC: C11B9/00
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an aromatic easily and securely emitting a natural delicate aroma which is not liable to be expressed by a vaporization of conventional aromatic component.  <P>SOLUTION: The aroma emits aroma by culturing eumycetes by using a source of nutrition comprising an antibacterial ingredient or a source of nutrition with pH 2.0-4.5. Wherein the eumycetes is preferably a yeast for processed food or a mold.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006177485-A (JP)
Title: Thrust needle bearing
Inventor: SUGANUMA NAOKI
IPC: F16C33/46
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thrust needle bearing capable of minimizing wear even if a lubricating state is worse.  <P>SOLUTION: Even when rollers 71 receive a centrifugal force in a radial outer direction while the thrust needle bearing 70 is operating, the end parts of the rollers 71 do not come into strong contact with the wall surface of a pocket hole 72p on the radial outer side since a magnet 72b attracts the rollers 71 in the radial inner direction by a magnetic force. Accordingly, a drilling wear can be suppressed.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006178264-A (JP)
Title: Color separation optical system
Inventor: SAWAHATA YUICHI
IPC: G02B5/28
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To decrease reflection quantity of light returning from a solid-state image pickup device on an exiting face, and to obtain an image in a favorable color balance and no ghost or flare by appropriately controlling spectral characteristics of a wavelength selective filter which transmits light in a green region.  <P>SOLUTION: The system includes a plurality of prisms 11, 12, 13, and a plurality of wavelength selective filters (dichroic films 15, 16) disposed on predetermined prism faces of the prisms 11, 12, 13 and having different spectral characteristics to selectively transmit or reflect light in a predetermined wavelength range. Transmission characteristics are imparted to the wavelength selective filter transmitting light in a green region (dichroic film 16 or 15) in such a manner that its spectral transmittance curve shows a rise in a shorter wavelength side of the green region along the boundary between a blue region and a green region.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006180385-A (JP)
Title: Crystal oscillator and its manufacturing method
Inventor: KURODA TAKAHIRO
IPC: H01L41/22
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To improve an oscillation property by further reducing the size of a crystal oscillator obtained by integrally joining upper and lower substrates to upper and lower faces of an intermediate crystal plate obtained by integrally forming a crystal vibration piece and an outer frame, and by reducing oscillation resistance.  <P>SOLUTION: Upper and lower substrates 3, 4 are stacked on upper and lower faces of an intermediate crystal vibration plate 2 obtained by integrally forming the crystal vibration piece 13 and the outer frame 14 and air-tightly joined to seal the crystal vibration piece. Lead out conductive films 9, 10 are formed on the side face of a crystal oscillator 1 and electrically connected to an upper joining film 17 or the lower joining film 19 of the intermediate crystal vibration plate exposed on this side face, and exciting electrodes 16, 18 of the crystal vibration piece and corresponding first external electrodes 5, 7 or second external electrodes 6, 8 are electrically conducted, respectively.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006176328-A (JP)
Title: Package of carbon fiber precursor tow and flame resistant fiber precursor tow and those packing method
Inventor: KAWAMURA ATSUSHI
IPC: B65D85/07
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a package of a carbon fiber precursor tow and a flame resistant fiber precursor tow, having high storage bulk density, stable in a form of a tow in packing, and capable of stably receiving the tow when receiving the tow from a packing state.  <P>SOLUTION: This invention is the package for packing the carbon fiber precursor tow and the flame resistant fiber precursor tow having the total fineness of thick fineness of 48,000 dtx to 7,200,000 dtx in a packing vessel. In the package of the carbon fiber precursor tow and the flame resistant fiber precursor tow, a storage bulk specific gravity of the carbon fiber precursor tow and the flame resistant fiber precursor tow packed in the packing vessel, is set to 340 kg/m<SP>3</SP>or more.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005222933-A (JP)
Title: Negative pole material for lithium battery, and lithium battery
Inventor: SOTOWA CHIAKI
IPC: H01M4/133
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a negative pole material which is of low electrode resistance, of superior electrode strength, and superior in permeability of an electrolytic solution, having high energy density and superior high speed charge and discharge performance, and which can be made as a battery of superior performance.  <P>SOLUTION: This is the negative pole material for a lithium battery using a carbon fiber as a conductive assistant, containing a carbonaceous negative pole active material of specific surface area 1 m<SP>2</SP>/g or more, a binding material composed of styrene-butadiene rubber, and a carbon fiber of fiber diameter 1 to 1,000 nm. The content of carbon fiber is 0.05 to 20 wt%, the content of the binding material composed of styrene-butadiene rubber is 0.1 to 6.0 wt%, while 0.3 to 3 wt% of a thickening agent consisting of carboxymethyl cellulose or the like is contained.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006185772-A (JP)
Title: Lever type connector
Inventor: UCHIYAMA YOSHIHIRO
IPC: H01R13/629
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To install a lever by an automatic machine even if an opening preventive part is provided.  <P>SOLUTION: An opening preventive part 14 having an arm housing space capable of housing an arm 51 is provided between the outer side faces of an engaging cylindrical part 13. A slide hole 60 capable of being engaged with a shaft 15 is provided at the arm 51. At the time of installation on a housing 10, the lever 50 is pushed from a temporary installation position, in which the shaft 15 is introduced into an introducing hole 61 at one end of the slide hole 60 to the extension direction of the slide hole 60, and can move to the final installation position in which the shaft 15 proceeds to a rotating hole 62 at the other end of the slide hole 60. At the temporary installation position, the arm 51 retreats to the outside of the arm housing space and at the final installation position, the arm 51 goes into the arm housing space.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006184779-A (JP)
Title: Inspection circuit and inspection method of thin-film transistor display array
Inventor: KUO KUANG I
IPC: G09F9/00
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inspection circuit and an inspection method for a thin-film transistor display array.  <P>SOLUTION: An inspection circuit and an inspection method of a thin-film transistor display circuit to be used for inspecting the quality of the thin-film transistor array are provided. The inspection circuit comprises an array tester, a test sample base, and a sense amplifier array. The sense amplifier array comprises a plurality of transimpedance amplifiers and a parasitic capacitance discharge circuit. Each sense amplifier has a transimpedance amplifier, comprising an operational amplifier, two switches, and an operation capacitance. The transimpedance amplifier is used to form an integration circuit, and its output is transferred to a sampling/holding circuit, through an output switch and converted into a digital signal by an analog/digital converter. The source parasitic capacitance discharge circuit of the thin film transistor array forms, in this discharge circuit, the discharge path of electric charge of the parasitic capacitance.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006101469-A (JP)
Title: Terminal for exchanging electronic business card
Inventor: YU CHRISTOPHER C
IPC: G06F17/21
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a terminal and method for exchanging electronic business cards that can guarantee privacy and guarantee perfect and unchanging communication, to the user.  <P>SOLUTION: The terminal for exchanging electronic business cards with a device connected via a communications network comprises a storage means that stores the first public key and the first secret key, the first electronic certificate that includes the first public key and components of an electronic business card, an electronic business card preparing means that prepares a first electronic business card, from the components of an electronic business card that has been read from the storage means; an electronic business card transmitting means that transmits the first electronic business card prepared by the electronic business card preparing means, together with the first electronic certificate that has been read from the storage means; an encrypted data receiving means that receives data encrypted by using the first public key; and a data decoding means that decodes the encrypted data that have been received by the encrypted data receiving means, by using the first secret key that has been read from the storage means.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006181989-A (JP)
Title: Printing method and printing apparatus
Inventor: NISHIMOTO TOYOJI
IPC: B41M1/02
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To avoid a state where a blanket tends to be swollen by repeatedly soaking a solvent component of an ink into the entire effective surface of the blanket, by drying the blanket during the repetition of the reverse printing process.  <P>SOLUTION: The printing method comprises a measuring means 9 for measuring the thickness fluctuation of the blanket 8 and a drying means 10 for conducting solvent dissipation operation which forcibly dissipates the solvent of the ink soaked into the blanket 8 from the blanket 8. The measuring means 9 measures the thickness fluctuation of the blanket caused by the swelling of the blanket soaked with the solvent of the ink for each printing process, and the stop and operation of the solvent dissipation operation of the drying means 9 is controlled so that the integrated value of the measured thickness fluctuation for each printing process approximates zero.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005528904-A (JP)
Title: トロンボスポンジン・モチーフを有する、インテグリンかつメタロプロテアーゼａｄａｍｔｓ−１２を使用する方法
IPC: G01N33/574
Filed: 2003-06-06
Abstract: 本発明は、トロンボスポンジン反復配列を含有するヒトＡディスインテグリン・アンド・メタロプロテアーゼ（human A Disintegrin  A nd  M etalloprotease containing  T hrombo S pondin repeats）(ADAM-TS)を用いる方法に関する。さらに本発明は、該メタロプロテアーゼをコードするポリヌクレオチドを用いる方法にも関する。本発明は、ADAM-TSポリペプチド及びポリヌクレオチドを、メタロプロテアーゼ媒介又は関連異常における診断及び治療のためのターゲットとして用いる方法に関する。さらに本発明は、ADAM-TSポリペプチド及びポリヌクレオチドを用いて診断及び治療用のアゴニスト及びアンタゴニストを同定する薬物スクリーニング法に関する。さらに本発明は、ADAM-TSポリペプチド及びポリヌクレオチドに基づくアゴニスト及びアンタゴニストを包含するものである。さらに本発明は、ADAM-TSポリペプチド及びポリヌクレオチドをターゲットとして用いた薬物スクリーニング法により同定されたアンタゴニストに関する。さらに本発明は、ADAM-TS 関連異常に罹患した対象を治療する方法に関する。
Patent JP-2006511247-A (JP)
Title: 医療デバイスのための二方向ディスプレイ
IPC: A61M5/142
Filed: 2002-11-15
Abstract: 医療デバイス（１０）が開示される。このデバイス（１０）は、種々の位置での構成に適合可能である。好ましい実施形態において、このデバイス（１０）は、患者に医療流体を分配するための注入ポンプ（１２）を備える。コントローラ（１４）は、ディスプレイ（１６）およびポンプ（１２）に作動可能に連結される。ディスプレイ（１６）は、ポンプ（１０）の位置に作動可能に応答性であり、ここで、ディスプレイ（１６）における情報を容易に見ることができる。
Patent JP-2005536577-A (JP)
IPC: A61K8/60
Filed: 2003-06-17
Abstract: A new method is described for the oversulfation of epiK5-N-sulfate to obtain an epiK5-amine-O-oversulfate with very high sulfation degree which, by subsequent N-sulfation, provides new epiK5-N,O-oversulfate-derivatives with a sulfation degree of at least 4, basically free of activity on the coagulation parameters and useful in the cosmetic or pharmaceutical field. Also described are new low molecular weight epiK5-N-sulfates useful as intermediates in the preparation of the corresponding LMW-epiK5-N,O-oversulfate-derivatives.
Patent JP-2005534671-A (JP)
Title: オリゴペプチドとエーテル化シクロデキストリンを含む液体製剤
IPC: A61K47/48
Filed: 2003-05-19
Abstract: 本発明は式Ｉ［シクロ−（ｎ−Ａｒｇ−ｎＧｌｙ−ｎＡｓｐ−ｎＤ−ｎＥ）］のオリゴペプチド、および水溶解度が１．８ｍｇ／水ｍｌより高い部分的にエーテル化したβ−シクロデキストリンを含むオリゴペプチドの水性製剤およびその水性製剤の調製に関する。
Patent JP-2005531437-A (JP)
Title: 筆記具用のボールチップおよびその製造方法
IPC: B43L19/00
Filed: 2003-05-28
Abstract: 本発明は、前面（４）を有し、前記前面（４）において開口部（７）内で終端するハウジング（６）を含み、流体供給通路（８）と連通するチップ本体（２）と、ハウジング（６）内に回転自在に取り付けられたボール（３）とで構成される筆記具用のボールチップであって、チップ本体（２）の前面（４）は開口部の平均平面と、開口部の周辺に隣接するフレアー部（１２）とに実質的に平行な周辺部（１１）を有し、ボール（３）と開口部の周囲との接点（１３）においてボールに接する平面（Ｔ）の突出部と、前記接点で７０度未満の鋭角αを形成するボールチップおよびその製造方法に関する。
Patent JP-2005539044-A (JP)
IPC: A61K31/58
Filed: 2003-08-29
Abstract: The present invention relates to a combination of ciclesonide with antihistamines.
Patent JP-2006512035-A (JP)
Title: 電気機器用の単一のアモルファス金属製部品を構築する方法
IPC: H02K1/06
Filed: 2003-09-04
Abstract: モータ又は発電機などの軸方向磁束型電気機器用の単一のアモルファス金属製磁性部品は、強磁性アモルファス金属製ストリップの螺旋状に巻いた環状円筒から形成される。円筒は、接着接合され、円筒の環状面の一方に形成され、円筒の内径から外径に延びる複数のスロットを備える。部品は好ましくは、効率の高い軸方向磁束型電動機を構築する時に採用される。励起周波数「ｆ」でピーク誘導レベルＢ ｍａｘ まで動作すると、単一アモルファス金属製磁性部品は、「Ｌ」未満のコア損失を有し、ここで、Ｌは、式Ｌ＝０．００７４ｆ（Ｂ ｍａｘ ） １．３ ＋０．０００２８２ｆ １．５ （Ｂ ｍａｘ ） ２．４ で与えられ、コア損失、励起周波数、及びピーク誘導レベルは、それぞれ、ワット／キログラム、ヘルツ、及びテスラで測定される。
Patent JP-2005538324-A (JP)
IPC: F16L41/08
Filed: 2003-09-04
Abstract: The invention relates to a connection device ( 1 ) comprising a connection piece ( 7 ) which is arranged in a sealing manner, on the front side thereof, on a sealing surface ( 15 ) of an element ( 3 ). The orientation of the connection piece ( 7 ) in relation to the sealing surface ( 15 ) is determined only by the surface contact between the connection piece ( 7 ) and the sealing surface ( 15 ) (with or without a sealing element interposed). A pivotably mounted clamping lever ( 21 ) adjacent to the sealing site applies the required axial force, a tensioning device ( 32 ) acting on the longer lever arm thereof. One such connection device is especially easy to produce and to assemble, and is particularly reliable, leakproof and easy to mount.