baber/WOPTO huggingface dataset:
Patent JP-2009134210-A (JP)
Title: Image carrier, image forming apparatus equipped with the same, and latent image forming method
Inventor: MUTO KENJI
IPC: G03G5/05
Filed: 2007-12-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide: an image carrier capable of forming a high-resolution latent image; an image forming apparatus equipped with the same; and a latent image forming method.  <P>SOLUTION: A photoreceptor drum 1 includes a charge generating layer 12 generating charges upon exposure and a charge transport layer 11 for charge transfer, and allows a latent image to be formed on a surface thereof by forming a charge distribution with charges generated from the charge generating layer 12, wherein the charge generating layer 12 and the charge transport layer 11 are laminated in this order on a conductive substrate 14. Thermal recording capsules 15, which can be repeatedly brought into a transparent state which allows light transmission or an opaque state which does not allow light transmission upon heat generation or cooling, are dispersed in the charge transport layer 11.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009140615-A (JP)
Title: Backlight, optical member used for backlight, and liquid-crystal display device
Inventor: UEHARA MOTOYUKI
IPC: F21V5/00
Filed: 2007-12-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a backlight capable of widely maintaining a range of viewing angle dependency of luminance in the designated axis direction.  <P>SOLUTION: The backlight includes a surface light source, a lenticular lens sheet 31, and a diffusion sheet 32. The surface light source includes a plurality of linear light sources juxtaposed each other, and a diffusion plate. The lenticular lens sheet 31 is laid on the surface light source, and includes a plurality of cylindrical lenses arranged in parallel with the linear light sources. The diffusion sheet 32 is laid on the lenticular lens sheet, and has the whole light transmission rate of 80% or more and a haze of 80% or more.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009140138-A (JP)
Title: Power supply device
Inventor: KOISHI TAKAHIRO
IPC: H02J1/10
Filed: 2007-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power supply device capable of expanding the range of output power of the power supply device that can supply power with high power supply efficiency.  <P>SOLUTION: The power supply device 10 comprises a plurality of power supply units 11-13 capable of converting power from an AC source to DC power and supplying the DC power, and also capable of switching a state between an ON state and an OFF state. Each power supply unit is driven in one of a plurality of driving modes that have different properties of the power supply efficiency, which is the ratio of the output power to the power consumed for generating the output power of the power supply unit, to the output power of the power supply unit. The device sets the driving mode for the power supply unit to one of the plurality of the driving modes based on the output power of the power supply unit.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009141577-A (JP)
Title: Imaging device package, imaging device module and lens barrel, and imaging apparatus
Inventor: IWABUCHI KAORU
IPC: H04N5/335
Filed: 2007-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging device package, an imaging device module and a lens barrel, and an imaging apparatus which are advantageous for improving reliability in an imaging device chip, while reducing cost and size.  <P>SOLUTION: The imaging device package 60 comprises an imaging device chip 62, a board 64, an optical member 66, and a support 68. The support 68 is provided with a main body 70 and a mounting part 72. The main body 70 and the mounting part 72 of the support 68 are constituted of different members. The main body 70 of the support 68 which is formed with the member 82 for the main body composed of a ceramic material, and the mounting part 72 which is formed with the member 84 for the mounting part composed of a metallic material are assembled and integrated so as to constitute the support 68. By attaching the board 64 and the optical member 66 to both ends of the main body 70, a space accommodating the imaging device chip 62 is sealed.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009141644-A (JP)
Title: Image data management apparatus
Inventor: ONO HARUO
IPC: H04N5/765
Filed: 2007-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To add proper position information and time information to image data.  <P>SOLUTION: In interrupt processing performed at fixed intervals, a GPS control section 23 calculates present position and present time using a GPS and stores them in a GPS-DB 26. When receiving image data, if the present position and the present time can be calculated using the GPS, an analysis-interpolation processing section 23 stores the calculated position and time in an image DB 27 in association with the image data. If the present position and the present time can not be calculated using the GPS, on the other hand, the analysis-interpolation processing section 23 stores the position and the time, stored in the GPS-DB 26, in the image DB 27 in association with the image data.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009141887-A (JP)
Title: Quality measuring management system, quality measuring management method, quality measuring management device, and quality measuring management program
Inventor: KADOWAKI RYOTA
IPC: H04N7/173
Filed: 2007-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To allow a user terminal to receive the provision of video distribution to deal with various quality measuring methods in accordance with the setting methods of videos and quickly notify the provider and viewer of the measured result of quality.  <P>SOLUTION: A quality measuring management system measures and manages the quality of a video distributed from a video distribution means to one or more user terminals on each user terminal, and comprises a quality measuring management means that forms information about the quality measurement capability with which each user terminal is caused to execute a quality measurement in accordance with the setting method of a video to be distributed to each user terminal based on information about the distributed video indicative of the setting method of the video to be distributed from the video distributing means to each user terminal and provides this information to each user terminal and a quality measuring result management means that manages the measured result of the quality measured on each user terminal using the information about the quality measurement capability for each user terminal.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009146126-A (JP)
Title: Method for generating slip sheet in public printing
Inventor: MATSUEDA KAZUTAKA
IPC: H04N1/00
Filed: 2007-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problems that slip sheets to be added before and after jobs must be specified by users, and it is difficult to discriminate slip sheets from documents, which may confuse the user.  <P>SOLUTION: A printing system has means for registering a document from a client to a server, means for issuing a print request from a device to the server, means for determining a slip sheet at the server, and means for displaying slip sheet information at the device.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009145632-A (JP)
Title: Optical filter and tunable filter
Inventor: SAKURAI YASUKI
IPC: G02B26/00
Filed: 2007-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical filter and tunable filter, in which desired wavelength selective characteristics and attenuation factors can be obtained.  <P>SOLUTION: A light from an optical fiber 11 is incident on a dispersive element 16 via an optical circulator 12 and an optical fiber 13. The dispersive element 16 disperses the incident light toward direction different depending on wavelength to apply the dispersed lights to a lens 17. The lens 17 focuses the lights at positions different for each wavelength of the light. The patterning plate 18 has desired reflection characteristics. The lights reflected on the patterning plate 18 are multiplexed by the dispersive element 16 through the identical path to be emitted from an optical fiber 15 via the optical circulator 12. Desired characteristics can be obtained by arbitrarily changing a pattern with reflection characteristics of the patterning plate 18. In addition, a characteristic of the optical filter can be changed by moving the patterning plate 18.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009142802-A (JP)
Title: In-line cleaning apparatus
Inventor: MATSUHASHI AKIHIRO
IPC: B08B3/12
Filed: 2007-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an in-line cleaning apparatus in which an object, which is to be cleaned and is carried in continuously, can be cleaned and the leakage of a cleaning liquid can be prevented satisfactorily.  <P>SOLUTION: The in-line cleaning apparatus is provided with: a plurality of cleaning tanks 10, 20, 30; a control part 55 for controlling an introduction means or a withdrawal means, a decompression means, a liquid supply means, a cleaning means, a steam cleaning means and a vacuum drying means so that a step of introducing the object A, which is to be cleaned and is carried in continuously, into each of the plurality of cleaning tanks 10, 20, 30, a step of cleaning the introduced object A under decompression, a step of steam-cleaning the cleaned object A, a step of vacuum-drying the steam-cleaned object A and a step of withdrawing the dried object A are advanced successively without being overlapped; a liquid supply tank 70 for supplying the cleaning liquid to each of the plurality of cleaning tanks 10, 20, 30; and a distiller 80 into which the gasses, which are sucked from the plurality of the cleaning tanks 10, 20, 30 by the decomposition means and contain the vapor of the cleaning liquid, is introduced, in which the vapor of the cleaning liquid is condensed in a condenser and from which the condensed cleaning liquid is returned to/recovered in the liquid supply tank 70.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009151846-A (JP)
Title: Optical pickup
Inventor: SUETSUGU MASAAKI
IPC: G11B7/08
Filed: 2007-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To precisely adjust the position of a diffraction grating by stabilizing its pressing way.  <P>SOLUTION: In the optical pickup, a diffraction grating GRT is disposed in the grating hole 6 of a slide base 3, and a pressing spring 8 constituted of a ring part 8a abutted on the open side end surface 14 of the diffraction grating GRT, a pair of arm parts 8b integrally disposed in both ends of an outer peripheral edge of the ring part 8a away from each other by 180° to protrude, and inserted from respective horizonal grooves 12 into vertical holes 13, and a pair of stopper pieces 8c cut out from the vicinity of the tip of the arm parts 8b and engaged with the backside of an upright frame 4, is provided. A pair of columnar bodies 17 roughly semicircular in cross-section are integrally formed on the open side end surface 14 of the diffraction grating GRT facing both ends 8A of the ring part 8a along a center line S passing through the center of both arm parts 8b from the center O3 of the ring part 8a of the pressing spring 8, and the ring part 8a is brought into line-contact with each columnar member 17 on a center line S.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008158531-A (JP)
Title: Method and apparatus for automatically identifying region of interest in digital map
Inventor: LUTHER MARKO
IPC: G09B29/00
Filed: 2007-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for identifying regions of interest in a digital map.  <P>SOLUTION: The method for automatically identifying, in order to semantically identify the meaning of locations, one or more regions of interest in a digital map wherein a plurality of individual locations is tagged with descriptive tags by different users comprises: a step to define a search area within the digital map within which the search for regions of interest should be executed; a step to define one or more types of tags to which the location tags to be found should belong; a step to apply a clustering algorithm to identify one or more clusters as regions of interest where those locations, which have been tagged by different users with tags of the type defined in the tag type defining operation, are grouped or concentrating; and a step to display the one or more regions of interest found by the clustering algorithm together with an indication of locations having tags of the prescribed type within the digital map.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008203246-A (JP)
Title: Optical image measuring device
Inventor: ABE TOMOYOSHI
IPC: A61B10/00
Filed: 2007-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical image measuring device capable of easily adjusting the positional relation between an emission position of interference light from a light-guiding means and a light-receiving surface for receiving the interference light.  <P>SOLUTION: An eye fundus observation device (optical image measuring device) 1 is provided with an irradiation state specifying section 211 for specifying an irradiating state (irradiation position, irradiation orientation) of light to be measured to a light-receiving surface of a CCD 184, and a fiber-end driving mechanism 244 for altering the position and orientation of a fiber end 165a of an optical fiber 165, based on the specified irradiating state of the light to be measured. This results in an automatic change in the relative position and orientation, between the fiber end 165a of the optical fiber 165 and the light-receiving surface of the CCD 184. The eye-fundus Ef is measured with the fiber end 165a and the light-receiving surface arranged in a suitable positional relation.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009154922-A (JP)
Title: Wrapping material
Inventor: OGISO NORIKAZU
IPC: B65D65/34
Filed: 2007-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wrapping material which does not damage wrapping with a heat-shrinkable film even if making contact with other articles, and can be easily safely opened.  <P>SOLUTION: At least one of front and back surfaces of the heat-shrinkable film 2 for wrapping an article 1 to be wrapped, is formed with an overlap portion 4 by pasting a reinforcing tape 3 made of a non-heat shrinkable film material, and provided with a cut 5 crossing the overlap portion 4. Extension cuts 51 may be provided at both ends of the cut 5 along the overlap portion 4 into a gantry shape.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009153735-A (JP)
Title: Packaging body of absorbent article
Inventor: KONDO MIYUKI
IPC: A61F13/15
Filed: 2007-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a packaging body of an absorbent article, which does not easily form sharp folding on the absorbent article and is capable of obtaining excellent fitness and leakage preventing effect while the absorbent article is worn.  <P>SOLUTION: This invention relates to the packaging body 10 of the absorbent article, wherein the practically vertically long absorbent article 1 provided with a skin abutting surface, a skin non-abutting surface and an absorbent 4 interposed between both surfaces is folded in the longitudinal direction and packaged by a packaging material. The absorbent 4 has bend areas B41 and B42 where a plurality of bend assisting means S1-S3 which extend in the width direction of the absorbent 4 and have a length shorter than the entire width of the absorbent are formed shifting positions in the longitudinal direction of the absorbent, and the absorbent article 1 is bent at parts where the bend areas B41 and B42 exist.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008166284-A (JP)
Title: Separator for molten carbonate fuel cell
Inventor: KIM YOUNG JIN
IPC: H01M50/77
Filed: 2007-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a separator for a molten carbonate fuel cell in which a volume of a fuel cell is reduced and a structure can be made simple by providing an internal reforming passage between a fuel electrode passage and an air electrode passage without installing a separate reforming unit of the fuel cell and as a result a manufacturing cost can be saved.  <P>SOLUTION: The separator for a molten carbonate fuel cell is composed of four steel sheets and edge portions of the sheets are connected with each other to form three-layered separated spaces inside, and a first layer space is provided with an air electrode passage to form a flow passage of an oxide gas and a second layer space is provided with a fuel electrode passage which is separated from the air electrode passage and forms a flow passage of a fuel gas and a third layer space between the first layer space and the second layer space is provided with an internal reforming passage to reform the fuel gas.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009162954-A (JP)
Title: Developing device, developer cartridge and image forming apparatus
Inventor: SUZUKI SHIRO
IPC: G03G15/01
Filed: 2007-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To prevent insufficiently electrified developer which remains on a developing member after the developer is peeled off from the developing member from being collected at a developer supply position to the developing member.  <P>SOLUTION: A developer supply part 80b moves by the rotation of a rotary body 66, the supply of magenta developer from the developer supply part 80b to a developing roll 68 is interrupted, and then a magnet 116 rotates, whereby the magenta developer peeled off from the developing roll 68 is collected into a developer collecting part 86. When an electrostatic latent image is visualized with the magenta developer again in the developing device 34, the rotary body 66 rotates such that the developer supply part 80b faces the developing roll 68. The slope of the developer collecting part 86, with respect to a gravity direction is changed, according to the rotation of the rotary body 66. When the slope of the developer collecting part 86 with respect to the gravity direction is changed, according to the rotation of the rotary body 66, the magenta developer collected into the developer collecting part 86 is supplied to the developer supply part 80b.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2007526091-A (JP)
Title: 眼内レンズを保管、装填および送達するためのデバイスおよび方法
IPC: A61F2/16
Filed: 2005-03-02
Abstract: 対象となる眼球内に眼内レンズを送達するためのカートリッジ（２２）は、遠位端部および近位端部を有する長手方向軸に沿って配設された本体部と、本体部の遠位端部に開口部を有する長手方向軸に沿って配設された先細ったルーメンとを有する。開口部と先細ったルーメンの少なくとも一部は、上側部分と下側部分とからなる。開口部の上側部分およびルーメンのそれぞれは、第１の幅を有し、かつほぼアーチ状の断面を有する。開口部の下側部分およびルーメンのそれぞれは、ほぼ水平方向に配設された断面を有し、かつ第１の幅より大きい第２の幅を有する。カートリッジは、包装システムを用いて、眼内レンズを装填することができる。先端部にサドルを含むプッシュロッド（１６４）を有する対応する挿入器（１６０）を用いて、眼内レンズを対象となる眼球内に配置することができる。眼内レンズは、好適には、挿入する際、サドルの上方に配置される。
Patent JP-2007528611-A (JP)
Title: 改良型の基板状無線センサ
IPC: H05K1/18
Filed: 2005-03-09
Abstract: 【課題】少なくとも一つの重量軽減特徴部分を持つ基板状無線センサ（１１２、１１８）を提供する。 【解決手段】この特徴部分は、アルミニウム、アルミニウム合金、マグネシウム、又はセラミック等の、センサを形成する材料を含む。特徴部分は、更に、貫通した又は部分的な孔（１２４）やストラット等の、一つ又はそれ以上の構造的な適応を含む。 【選択図】図１
Patent JP-2007532000-A (JP)
Title: ナノ複合誘電体積層材及びナノ複合はんだレジストを含むマイクロエレクトロニクス・パッケージ
IPC: H05K1/03
Filed: 2005-03-25
Abstract: 本出願により開示される装置は、複数の導電層を含む基板、及び導電層間に挟まれたナノ複合層間誘電体（ＩＬＤ）層を有し、ナノ複合ＩＬＤ層は分散された複数のナノクレイ粒子を内部に有するポリマーを含むナノ複合材料を有し、ナノクレイ粒子は高いアスペクト比を有する。また、接触表面を有する基板、及び接触表面に置かれたナノ複合はんだレジスト層を有する装置が開示され、はんだレジストは分散された複数のナノクレイ粒子を内部に有するポリマー接着剤を含むナノ複合材料を有し、ナノクレイ粒子は高いアスペクト比を有する。さらに、複数の導電層を設ける工程、及び導電層間にナノ複合ＩＬＤを挟む工程を有する方法が開示され、ナノ複合ＩＬＤ層は分散された複数のナノクレイ粒子を内部に有するポリマー接着剤を含むナノ複合材料を有し、ナノクレイ粒子は高いアスペクト比を有する。
Patent JP-2007531588-A (JP)
IPC: A61B17/80
Filed: 2005-03-29
Abstract: A spinal fixation system comprising at least two bone anchors, a rod connecting the bone anchors and a connecting plate extending from a proximal surface of at least one of the bone anchors. A method of fixing vertebrae relative to each other comprising the steps of: implanting bone anchors in two adjacent vertebrae, each bone anchor having a rod receiving portion; placing a rod in the rod receiving portions, thereby connecting the bone anchors; threadably engaging set screws in the rod receiving portions of at least a portion of the bone anchors, thereby fixing the rod to the bone anchors; mating one end of a connecting plate to a proximal bearing surface of at least a portion of the bone anchors; and engaging a cap with at least a portion of the set screws, thereby fixing the connecting plate to the bone anchors.
Patent JP-2007531666-A (JP)
Title: 振動を減衰するための脂肪酸の金属塩の使用と、ミラー調節機構の組付け方法、及びミラー調節機構
IPC: B60R1/02
Filed: 2005-04-04
Abstract: 本発明は、ミラー調節機構の協働作用面が互いに対して生じさせる振動を減衰させるように、脂肪酸の金属塩を使用することに関する。この協働作用面は、ミラー部品を支持するミラーホルダを、自動車に対して固設可能なベースプレートに対して調節可能なように接続する。
Patent JP-2007532441-A (JP)
Title: 伸長可能な紙材を製造する方法、該方法を実行するプラント、該方法により得られる生産物及び該生産物から得られる紙材。
IPC: D21F9/02
Filed: 2005-04-13
Abstract: 略平滑な伸長可能な紙材を製造する方法であって、該方法は、製造ライン上のペーパウェブに少なくとも一対のローラ間を通過させる段階を備え、該一対のローラのうち一方が、他方のローラより低速で駆動される軟質材料からなり、前記他方のローラが前記一方のローラより高速で駆動される硬質材料からなり、前記硬質材料からなるロールの算術平均粗さＲＡは５以下であり、その外面全体に彫込部を備え、該彫込部の寸法は、隣接する彫込部間の距離Ａが、０．１０ｍｍ以上４０ｍｍ以下の範囲であり、各彫込部の幅Ｂが、０．０２ｍｍ以上２ｍｍ以下の範囲であり、各彫込部の深さＣが、０．１ｍｍを下回り、距離と幅の比率Ａ／Ｂが、０．１２以上８００以下であり、幅と深さの比率Ｂ／Ｃが、１以上８以下であることを特徴とする方法である。 【選択図】  図１
Patent JP-2007533277-A (JP)
IPC: H04W4/90
Filed: 2005-04-13
Abstract: When establishing an emergency connection in a wireless network having an authentication server, wherein a user terminal is a non-subscriber to the network, a dialed number is recognized as an emergency number and the terminal sends a start-up message to a radio access point of the network. The terminal receives a first message that requests the identity of the terminal, from the access point in response to the start-up message, and sends a second message, which contains the identity of the terminal and an indication indicating that the terminal is attempting to make an emergency call. An authentication server determines that the second message contains an indication that the call is an emergency call, and sends an acceptance message to the terminal via the access point wherein a port of the access point is validated to permit the terminal to establish an emergency connection.
Patent JP-2007534523-A (JP)
IPC: B32B27/00
Filed: 2005-04-21
Abstract: A novel densified fluoropolymer article is described which has a water vapor permeation of about 0.015 g-mm/m2/day or less, and preferably has a matrix tensile strength of at least 10,000 psi in two orthogonal directions. The articles are made by compressing expanded porous PTFE at pressures, temperatures and times which result in elimination of the pores, and subsequent stretching above the crystalline melt temperature.
Patent JP-2008505248-A (JP)
IPC: C22C/
Filed: 2005-07-01
Abstract: The invention concerns a stainless steel powder and composition comprising at least 10w-t% chromium. Vanadium is present in an amount of at least 4 times the amount of carbon and nitrogen. The steel powder comprises 10-30% chromium, 0.1-1.0 vanadium, 0.5-1.5% silicon, less than 0.1% carbon and less than 0.07% nitrogen. A process for preparing a sintered part and a sintered part are also claimed.
Patent JP-2008505712-A (JP)
Title: マルチモダリティマンモグラフィ用診断システム
IPC: G06T1/00
Filed: 2005-07-07
Abstract: 方法が、関心領域の第一イメージング情報を採取し、前記第一イメージング情報は前記関心領域を含む基準枠の３つの空間的次元に相関されているデータを与えるものであり、前記関心領域の第二投影イメージング情報を採取し、前記第二イメージング情報は前記基準枠に相関しているが少なくとも１つの空間的次元に関する情報を欠如しており、且つ前記第一イメージング情報が前記第二イメージング情報と共に登録されるように前記第一及び第二イメージング情報を処理する、ことを包含している。装置（図１９）は、関心領域（図１９、供給源）のイメージング情報を採取する第一イメージングシステム、前記第一イメージング情報は前記関心領域を含む基準枠の３つの空間的次元と相関されているデータを与えるものであり、前記関心領域（図１９、ターゲット）の第二イメージング情報を採取する第二イメージングシステム、前記第二イメージング情報は前記基準枠に相関しているが少なくとも１つの空間的次元に関する情報を欠如しており、且つ前記第一イメージング情報が前記第二イメージング情報と共に登録されるように前記第一及び第二イメージング情報を処理するプロセッサ（図１９、融合したイメージ）を包含している。 【選択図】      図１９
Patent JP-2008506082-A (JP)
Title: 密閉配置
IPC: F16J15/18
Filed: 2005-07-13
Abstract: 本発明は、潤滑剤室１１が形成されているスリーブ１０を有し、作動室を密閉する密閉配置に関する。この作動室３は、外側の機械部品３に向かって移動する内側の機械部品４及びこの外側の機械部品３によって形成される。この場合、潤滑剤室１１は、作動室側の密閉リング２０と作動室に面さない密閉リング２１とによって隔離されている。これらの密閉リングの少なくとも一方の密閉リングが、非対称な密閉リングとして形成されている。この場合、潤滑剤が、外側の機械部品３と内側の機械部品４との間に配置された密閉配置１によって作動室８から潤滑剤室１１内に流れ落ちるように、これらの密閉リング２０，２１は配置されている。この場合、スリーブ１０，５０が、潤滑剤室１１の過圧を解放する弁装置３０を有する。