baber/WOPTO huggingface dataset:
Patent JP-2005164538-A (JP)
Title: Pressure sensor
Inventor: KASHIWAGI NAOTO
IPC: H01M8/04
Filed: 2003-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pressure sensor capable of shortening the start time of a fuel cell system as a result, by thawing moisture in a short time.  <P>SOLUTION: In the fuel cell system, a hydrogen pressure sensor 16 wherein a pressure inlet port 59 is formed, an air pressure sensor 24, and the bottom of a pure water pressure sensor 30 are so constituted that they do not become larger than the outside diameter of the clamping face of a pressure sensor mounting boss 71. Thereby, in the fuel cell system, since the heat generated from a pressure sensor thawing heaters 17, 25, 31 is transmitted efficiently to the hydrogen pressure sensor 16, the air pressure sensor 24, or the pure water pressure sensor 30, the moisture in the hydrogen pressure sensor 16, the air pressure sensor 24, or the pure water pressure sensor 30 can be thawed in a small amount of time, which can ensure the shortening of the start time of the system as a whole.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005135889-A (JP)
Title: Fuel battery cell and fuel battery
Inventor: HORI YUICHI
IPC: H01M8/12
Filed: 2003-10-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel battery cell and a fuel battery, capable of maintaining a high power generating property for a long time by suppressing lowering of the power generation properties of the fuel cell, by preventing exfoliation of an oxygen electrode (A) and a reaction preventive layer (C), or of an oxygen electrode (B) and a solid electrolyte.  <P>SOLUTION: The oxygen electrode 34 has a two-layered structure, a first-layer oxygen electrode 34a adjacent to the reaction-preventing layer 37 made denser than a second-layer oxygen electrode 34b, and consists of a mixed component with particles having ion conductivity as well as electron conductivity and particles having electron conductivity, particles constituting the reaction preventing layer 37 and particles of the first-layer oxygen electrode 34a containing the same components, and the second layer oxygen electrode 34b consisting of particles having electron conductivity.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005172030-A (JP)
Title: Friction damper
Inventor: NAKAHIRA KAZUTO
IPC: E04H9/02
Filed: 2003-12-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a friction damper of a high bearing capacity type against great earthquake to be used for a building structure, achieving simple, light and compact construction while increasing the number of high power bolts for fastening an intermediate plate and outer plates with no increase in size.  <P>SOLUTION: The double shear type friction damper comprises the intermediate plate 1 and the pair of outer plates 2 sandwiching it, both of which overlap each other to be relatively slidable, and the high power bolts 3 for fastening them. The width of each outer plate 2 is greater than that of the intermediate plate 1. The outer plates 2 on the surface and rear sides are fastened with the high power bolts 3 at positions where they are protruded to both sides of the intermediate plate 1 so that the intermediate plate 1 is relatively slid between the high power bolts 3.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004205202-A (JP)
Title: Environmental facility control system
Inventor: TERANO MASAAKI
IPC: F24F11/02
Filed: 2003-12-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide an environmental facility control system capable of making a comfortable fine environment in response to condition and requests by people enjoying the environment inside an area.  <P>SOLUTION: This environmental facility control system is formed of a heat environmental facility 1 such as an air conditioning system including controllers and to be provided in an area A formed with the heat environment, a heat environment information obtaining means 2 formed of personal terminals 11 on a communication network NT, a facility control plan deciding means 4 for collecting the heat environment information Inf input by the heat environment information obtaining means 2 and showing degree of comfortableness of the heat environment through the communication network NT and for generating a facility control plan P for controlling the heat environmental facility 1 from a plurality of plans on the basis of the contents of the collection and the decision reference registered in a decision reference data base 3, and a facility control means 5 for controlling the heat environmental facility 1 in response to the generated facility control plan P.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005169763-A (JP)
Title: Printing method
Inventor: MORI TAKAHIRO
IPC: G03F7/38
Filed: 2003-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printing method, which can improve scratch resistance, light-exposure image visibility and plate wear through a simple process performed between an exposure step and a printing step in a printing method employing a thermal processless plate.  <P>SOLUTION: In the printing method employing a printing plate material, on which an image can be formed by infrared laser exposure, printing is performed in the order of a step (i), a step (ii) and a step (iii). The step (i) is one for exposing the printing plate material to infrared laser. The step (ii) is one for coating liquid including a functional material onto the surface of the printing plate material. The step (iii) is one for performing printing.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005175217-A (JP)
Title: Electromagnetic-wave shielding transparent film
Inventor: UEHARA TOSHISHIGE
IPC: G09F9/00
Filed: 2003-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To attain the facilitation of the method of the flowing of a resin layer by a pressing through a film on a conductive metal on which a geometric pattern is formed, and the method or the like of the coating of a resin for a coating even after the formation of the geometric pattern and the reduction of a manufacturing cost, although the methods have been conducted because a light is scattered on an irregular surface and an electromagnetic-wave shielding film is made opaque, since the roughened surface of a conductive metallic foil is transferred on the resin layer on a transparent base material and the irregular surface is formed when the geometric pattern composed of the conductive metal is formed on the transparent base material.  <P>SOLUTION: In a manufacturing method for the electromagnetic-wave shielding transparent film, the conductive metallic foil is laminated to a plastic supporter through the resin layer using the smooth surface of the metallic foil as the resin layer side, and a part of the metallic foil is removed so that an opening ratio reaches 50% or more and the geometric pattern is formed. It is preferable that the surface roughness Rz of the smooth surface of the metallic foil is 1.5 μm or less.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005170250-A (JP)
Title: Pneumatic tire and carcass ply manufacturing method
Inventor: AZUMA EIJI
IPC: B60C9/02
Filed: 2003-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pneumatic tire with excellent kinetic performance and durability performance by restraining an increase in tire weight and a vertical spring constant while improving the fore-and-aft rigidity and horizontal rigidity of a tire, and to provide a method for manufacturing a carcass ply forming a carcass layer of the pneumatic tire.  <P>SOLUTION: At least one tire axial side of a carcass layer 6 of a pneumatic tire is constituted of a cord 10 sequentially folded-back at multiple first folding points P1 aligned in areas arranged in a tire peripheral direction A near the end of a rewinding part 6b, and multiple second folding parts P2 aligned in a tire peripheral direction A near a ply rewinding part TU. The number of ends of the rewinding part 6b is made larger than the number of ends of a main body 6a.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005170859-A (JP)
Title: Skin care preparation for external use
Inventor: AKATA MINA
IPC: A61K8/00
Filed: 2003-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a skin care preparation for external use solving such problems that conventionally known masking agents have insufficient effects, being unsatisfactory, and base odor attributable to raw material(s) compounded in skin care preparations for external use, especially one or more substances selected from an N-acylamino acid ascorbic acid and salts thereof, and odor emitting with time as a result of its(their) deterioration lower the commodity value of the preparations, thus the preparation freed from the above odor owing to masking effect is requested.  <P>SOLUTION: This skin care preparation for external use contains one or more masking agents selected from eucalyptus oil, Rosacanina oil, Artemisiavulgaris oil, Anthemisnobilis oil, fennel oil, peppermint oil, bergamot oil, sparemint oil, Opopanax oil, pine needle oil, Majoram oil, Pogostemoncablin oil, Pimentaracemosa oil, nutmeg oil, basil oil, thyme oil, laurel leaf oil, Rabudanum oil, Salviasclarea oil and neroli oil.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005172665-A (JP)
Title: Light radiation pattern measuring apparatus
Inventor: EITO HIROAKI
IPC: H01L33/00
Filed: 2003-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To measure simultaneously light radiated from a measuring object from a plurality of directions, and to clarify its angle dependency highly accurately in a short time.  <P>SOLUTION: This device is equipped with a plurality of light receiving parts 22a-22e disposed so as to enclose the measuring object 10 with mutually different radiation angles θ, and a detector 30 for detecting light entering each light receiving part, respectively.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005171346-A (JP)
Title: Whisker composite metallic material and its manufacturing method
Inventor: NOGUCHI TORU
IPC: C22C47/14
Filed: 2003-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a whisker composite metallic material which is improved in the dispersibility of whiskers in a matrix metal and its manufacturing method.  <P>SOLUTION: The method for manufacturing the whisker composite metallic material includes a process (a) of obtaining a composite material by mixing an elastomer 30 and the whiskers 40 and a process (b) of obtaining the whisker composite metallic material uniformly mixed with the whiskers in metal by mixing the composite material and the metal.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005169321-A (JP)
Title: Content discharge mechanism to be used upside down and aerosol type product
Inventor: UNNO YASUTOKU
IPC: B05B9/04
Filed: 2003-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To actively deodorize the toe part of a shoe where germ tends to propagate and efficiently deodorize the entire inner space of the shoe by diffusing a deodorant to the part other than the toe part.  <P>SOLUTION: A plurality of narrow grooves 11c and wide grooves 11d extended to an extension part 11b are formed radially in a ceiling plate-like part 11 of an operation mode setting part 10. When a rib 14a is set on the opposite to a recessed part 20c of a shoulder cover by rotating the operation mode setting part 10 relatively to the shoulder cover 20 and then the extension part 11b is set toward the toe part of a shoe and the ceiling plate-like part 11 is pushed against the inner bottom of the shoe, a deodorant is discharged radially to the inside of the shoe through the wide grooves 11d and the respective narrow grooves 11c. Since a larger quantity of the deodorant is discharged from the wider grooves 11d than the narrow grooves 11c near the toe part of the shoe, the toe part of the shoe is actively deodorized. Further, since the deodorant is diffused to the inner bottom part and heel part with which the respective narrow grooves 11c and wide grooves 11d contact, the entire inner space of the shoe can efficiently be deodorized.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004195230-A (JP)
Title: Cylindrical fiber reinforced implant
Inventor: LANGE ROBERT
IPC: A61F2/28
Filed: 2003-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cylindrical fiber reinforced implant to be inserted between two adjacent vertebrae.  <P>SOLUTION: The implant having an outer wall 2 with a general cylindrical or oval shape and preferably an open volume for bone filling. The wall 2 having reinforcing fibers which at least in part are oriented in a first direction. A support 6 extending within the volume having reinforcing fibers which are at least in part oriented in a second direction, and the first and said second directions are different. Preferably the fibers of the outer wall are at least partly concentrically oriented. The support is preferably a separately formed part, that is inserted into the outer wall.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004199862-A (JP)
Title: Flying height measuring method and measuring system
Inventor: LEE SANG HYEOP
IPC: G11B21/21
Filed: 2003-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flying height measuring method of a head assembly floating by rotation of a hard disk and to provide its measuring system.  <P>SOLUTION: The flying height measuring method comprises a step wherein a disk 40 having at least one protrusion protruding higher than the lowest flying height of the head assembly 30 to be a target whose flying height is to be measured is rotated, a slider 31 of the head assembly is floated against the disk and the slider cuts the upper end part of the protrusion by the rotation of the disk and a step wherein the height of the cut protrusion is physically measured by a measuring device 50. Thereby, the flying height of the head assembly can be measured by measuring a surface profile of the disk having the cut protrusion. Thus, the flying height measuring method can satisfactorily correspond to the trend toward lower flying height by a large disk capacity.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005179224-A (JP)
Title: Skin care preparation for external use
Inventor: YAMAMOTO YASUYUKI
IPC: A61K8/00
Filed: 2003-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a skin care preparation for external use, containing β-endorphin and/or a substance having promoting action on producing β-endorphin.  <P>SOLUTION: Since βE (endorphin) is elucidated to exhibit cell activation action and bleaching action on the skin, the skin care preparation for external use comprises βE or a substance having promoting action on producing βE so as to prevent and ameliorate skin symptoms by cell activation action and bleaching action. Wrinkles, flabbiness, stains, drabness, dry skin, chapped skin, or the like, may be cited as the examples of skin symptoms to be prevented and ameliorated by this skin care preparation for external use.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004197295-A (JP)
Title: Spinning preparatory machine having a machine housing, especially apparatus such as carding and cleaner or the like
Inventor: HOESEL FRITZ
IPC: G01N33/36
Filed: 2003-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To simply inspect and check fiber materials put inside of a housing, from outside of the housing without detaching the housing.  <P>SOLUTION: In the spinning preparatory machine having the machine housing, especially, carding, cleaner or the like, the machine and/or yarn feeding device and yarn ejecting device are installed in the machine housing. At least one electronic camera (a video camera) 18 related to the fiber materials and/or mechanical elements, is installed in the machine housing to display surface pictures of the fiber materials and/or mechanical elements.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005178602-A (JP)
Title: Rear view mirror for automobile
Inventor: KADOBE YOSHIAKI
IPC: B60R1/04
Filed: 2003-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an automobile that does not contact with an obstacle by eliminating the rear view mirror itself, is high in fuel economy, and is stable in high-speed travel.  <P>SOLUTION: The rear view mirror itself is incorporated into the vehicle body and integrated with the vehicle body, thereby eliminating a problem by projection of the rear view mirror itself, reducing noise, increasing fuel economy, and increasing stability feeling of the vehicle body during high-speed travel.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005178215-A (JP)
Title: Punching device for ceramic green sheet
Inventor: NISHIMOTO KENICHI
IPC: B26F1/14
Filed: 2003-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the maintenance cost of a punching device for a ceramic green sheet having taper surfaces at the surface and back opening edges of a through-hole.  <P>SOLUTION: A taper surface 3a with the diameter of the tip side of a protrusion made smaller is formed, a cavity insert 3 having the through-hole 3b in the middle in a plane view is inserted into a lower punch 5, and a pin 2 having a taper surface 2b in which the tip is straight and the diameter is increased toward the base is provided in an upper mold 1a to constitute the punching device for the ceramic screen sheet.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005183872-A (JP)
Title: Semiconductor integrated circuit and optical disk recording device using the same
Inventor: NAKATANI YASUKAZU
IPC: G11B7/126
Filed: 2003-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit suitable for the double-speed acceleration of DVD write.  <P>SOLUTION: An LD driver circuit section 90 driven by a high voltage and a digital signal arithmetic circuit 80 composing a strategy generation circuit driven by a voltage lower than that of the LD driver circuit 90 are composed of different semiconductor chips, and these semiconductor chips are contained in a package, and a power supply circuit 91 is provided in the LD driver circuit 90, thus supplying power to a PLL circuit 85 in the digital signal arithmetic circuit 80 from the power circuit 91.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005191742-A (JP)
Title: Mobile terminal
Inventor: ODA TAKESHI
IPC: G06F3/048
Filed: 2003-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mobile terminal the storage areas of which a user can easily customize depending on a form of use.  <P>SOLUTION: The mobile terminal is provided with: a display section; an operation entry section; a storage section; and a control section that assigns the storage areas of the storage section to various data on the basis of permissible values which are set corresponding to the various data, allows the display section to display the choices of the permissible values whose setting can be revised in accordance with the various data, and uses the operation entry section to revise setting of the permissible values on the basis of the selected choice.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005160462-A (JP)
Title: Fishing hook installed with new hook tip for fixing bait at root of hook
Inventor: ITO MASAKAZU
IPC: A01K83/06
Filed: 2003-12-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fishing hook getting a good fishing result by solving a problem such that a bait is eaten but the fish is not caught in fishing by using the bait.  <P>SOLUTION: This fishing hook is constituted by installing a new hook tip at the root of the hook for firmly fixing the bait to the hook tip and shaft. Thereby, the bait becomes hardly being pulled out and since the bait is attached in the upper direction of the hook, the bait hardly protrudes beneath the hook. As a result, since the fish has to eat the hook together for eating the bait, the fishes are caught better.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004534050-A (JP)
Title: 細胞ストレスに関連する疾病及び状態を予防及び治療する方法
IPC: A61P31/04
Filed: 2002-06-07
Abstract: 本発明は、細胞ストレスに関連する疾病及び状態を予防及び治療する方法に関する。本方法は、以下の化学式からなる化合物を有効量投与することを包含する。
Patent JP-2004521713-A (JP)
IPC: A47B85/06
Filed: 2002-07-11
Abstract: A combination table (1) arranged for use as a baby changing table or a desk or a partition, including either two vertical side members (2) and one horizontal table top (5) and at least one horizontal shelf (7); or two vertical side members (2) and one horizontal table top (5) and one horizontal crossbeam (10) and alternatively one or more shelves (7) mounted between the side members (2); or at least two vertical side members (2) mounted together by its vertical edges.
Patent JP-2004534162-A (JP)
IPC: D01F6/60
Filed: 2002-07-05
Abstract: The invention relates to a process for the manufacture of homopolyamide-4,6 fibers by melt spinning of homopolyamide-4,6, to fibers and multifilament yarns obtainable by the process and the use thereof for the reinforcement of rubber like in tire cords, V-belts etc. The invention further relates to a novel homopolyamide-4,6, a process for the manufacture thereof and the use of the new homopolyamide-4,6 for the manufacture of fibers, films and injection molded articles. The homopolyamide-4,6 fiber is manufactured by melt spinning of homopolyamide-4,6 having nascent morphology with a melting enthalpy of at least 140 J/g and a main melting temperature between 290 and 305° C.
Patent JP-2005504047-A (JP)
Title: 紫外線吸収剤
IPC: C07D405/04
Filed: 2002-08-05
Abstract: 【課題】紫外線吸収剤の提供 【解決手段】本発明は、ベンゾキサジノン、オキサニリド、ベンジリデンマロネート、キナゾリン及びベンゾトリアゾール類の新規紫外線吸収剤に関する。本発明はまた、光誘発分解の有害な影響に対して安定化されたポリマー及び写真組成物にも関し、そして前記ポリマー及び写真組成物は前記新規紫外線吸収剤を含む。
Patent JP-2005500766-A (JP)
Title: モバイル装置にネットワークサービスを提供するためのシステム、装置、及びコンピュータ可読媒体
IPC: H04M1/72412
Filed: 2002-07-26
Abstract: 【課題】広域ネットワークと無線ローカルエリアネットワークとの間で通信する携帯装置を提供する。 【解決手段】「ＷＡＮ」のオペレータにより「ＬＡＮ」をモニタして再設定するシステム、装置、及びコンピュータ可読媒体を提供する。本発明の実施形態において、遠隔通信オペレータは、携帯電話のような無線装置と通信する装置及び／又はアプリケーションをモニタして管理する。本発明の実施形態において、遠隔通信オペレータは、ユーザ介入なしに携帯電話のマイクロルータ４０４に「ＬＡＮ」ネットワークサービスを追加する。本発明の実施形態において、携帯電話は、「Ｂｌｕｅｔｏｏｔｈ（登録商標）」プロセッサ及びトランシーバを有する。本発明の実施形態において、マイクロルータ４０４は、「Ｂｌｕｅｔｏｏｔｈ（登録商標）ＬＡＮアクセスプロフィール」ソフトウエアコンポーネント（５５１）、経路指定ソフトウエアコンポーネント（５５０）、「ＰＰＰ」サーバソフトウエアコンポーネント（５５２）、及び「ＮＡＴ」ソフトウエアコンポーネント（５５３）を含む。本発明の実施形態において、マイクロルータ４０４は、他のネットワークサービスを追加するためにフック及びインタフェースを含む。 【選択図】図５
Patent JP-2005500660-A (JP)
IPC: B60M5/02
Filed: 2002-08-16
Abstract: Hand-held tools for gripping a railway contact rail to facilitate grounding thereof are provided. A first member includes a first jaw at an end thereof, a handle at an opposite end thereof, and a first intermediate portion extending between the first jaw and the handle. A second member is pivotally attached to the first member and includes a second jaw at an end thereof, a set of ratchet teeth at an opposite end thereof, and a second intermediate portion extending between the second jaw and the set of ratchet teeth. The first and second jaws are configured to pivot relative to each other so as to grip respective opposite side portions of a railway contact rail when the handle is moved downwardly such that the second intermediate portion is in electrical contact with a top portion of a railway contact rail. A pawl extends from the first intermediate portion and is configured to engage the set of ratchet teeth to hold the first and second jaws in contact with the respective opposite sides of a railway contact rail. A biasing member is operatively associated with the pawl and is configured to urge the pawl into engagement with the set of ratchet teeth. A release lever is operatively associated with the biasing member and/or the pawl and is configured to disengage the pawl from the set of ratchet teeth and allow movement of the handle so as to disengage the hand-held tool from a contact rail.
Patent JP-2005501142-A (JP)
Title: オレフィン重合用触媒およびポリオレフィンの製造方法
IPC: C08F4/70
Filed: 2002-08-30
Abstract: 【課題】本発明はポリオレフィン製造用触媒およびこれを利用したオレフィンの重合方法に関し、さらに詳しくはメタロエンアミン化合物をルイス酸で活性化させて得た化合物を触媒として用いるポリオレフィンの製造方法に関する。C=C−N−M基本構造を有するメタロエンアミン化合物は、化合物中のアルファ（α）-炭素が高い求核性を有しているので様々なルイス酸（A）と反応して − A−C−C=N−M ＋ の構造を有する両性イオン化合物を提供する。このとき、金属がカチオン性格を持つようになって前記化合物はオレフィン重合に活性を示す。このように得られた触媒を様々なオレフィン重合に利用することができる。
Patent JP-2005500470-A (JP)
Title: 燃料噴射弁
IPC: F02M51/06
Filed: 2002-06-11
Abstract: 燃料噴射弁（１）、特に内燃機関の燃料噴射装置のための噴射弁であって、圧電又は磁気ひずみアクチュエータ（４）が設けられており、該アクチュエータが液圧式の結合器（２３）を介して、弁ニードル（２４）に加工成形された弁閉鎖体（２５）を作動させ、該弁閉鎖体が、弁座面（２６）と弁シール座（２７）を成すように協働する。結合器（２３）は、それぞれ圧力室（４２）と接続された主動ピストン（１４）と従動ピストン（１９）とを有しており、少なくとも１つの結合器ばね部材が、それぞれ所定の予負荷力を主動ピストン（１４）に対しては作業方向とは反対の方向で、且つ従動ピストン（１９）に対しては作業方向で生ぜしめるようになっている。結合器（２３）の圧力室（４２）は、流入孔（２０）と逆止弁（４９）とを介して、圧力室（４２）に向かう通流方向で燃料流入部と接続されている。