baber/WOPTO huggingface dataset:
Patent JP-2005539367-A (JP)
Title: 半導体基盤の紫外線増強性酸窒化
IPC: H01L21/318
Filed: 2003-01-08
Abstract: Ｏ ２ と、Ｎ ２ 、Ｎ ２ Ｏ、Ｈ ２ 及びＮＨ ３ の１種以上との気体雰囲気に暴露しながら、半導体基盤に紫外線を照射することにより、酸窒化膜層又は酸化物層を半導体基盤上に形成する。その後、既知の四段階ゲートスタック誘電体成長工程法により、窒化ケイ素層を形成する。または、三段階ゲートスタック工程、すなわち紫外線酸化に続いて、ＮＨ ３ 中で更に紫外線を照射し、不活性雰囲気下において急速加熱アニーリング処理を行う工程も用いられる。四段階又は三段階ゲートスタック工程の第一段階として紫外線酸化を行うことにより、得られる極めて薄い複合誘電体膜の実効酸化膜厚（ＥＯＴ）を１６Å未満、更には１４．２Åまで小さくし、そのリーク電流密度を著しく改善できる。
Patent JP-2005526713-A (JP)
Title: 慢性的疼痛、興奮毒性に関連した脳障害及び心臓不整脈の治療へのアンブロキソールの使用
IPC: A61P9/06
Filed: 2003-01-21
Abstract: 本発明は、電位依存性ナトリウムチャンネルの強力な活性化に起因する疾患を治療するための、特に、慢性疼痛、興奮毒性に関連した脳障害及び心臓不整脈を治療するための医薬品の製造に、アンブロキソール及びその製薬的に許容される塩を使用することに関する。
Patent JP-2005515029-A (JP)
Title: 感染症耐性医療機器
IPC: A61F2/06
Filed: 2003-01-21
Abstract: 医療機器関連の微生物感染症を防ぐ方法は、医療機器を供し、リネゾリドのごときオキサゾリジノン化合物の有効量を該医療機器に取り込む工程を含む。
Patent JP-2005516161-A (JP)
Title: トルクバイアス能力が向上した伝達ケース
IPC: B60K23/08
Filed: 2003-01-29
Abstract: 自動車（Ａ、Ｂ）の１次と２次駆動輪（２、４）間にトルクを選択的に分布させるために使用できる伝達ケース（１２、９０、１３０）は、共通軸線（Ｘ）に沿って位置する入力要素（３０、１０４、１３２）および２つの出力要素（３２、３４；１０６、１０８；１３２、１３４）を含む。これは、両方とも同じ軸線を中心に構成された磁気粒子クラッチ（３８、１０２、１３８）および遊星歯車セット（３６、１００、１４０）も含む。クラッチおよび遊星セットは相互に接続され、したがってトルクが滑らずに入力要素から出力要素の一方へと伝達される直接路を提供する。構成はさらに、滑り路を提供し、トルクはこれを通って入力要素から他の要素へと滑りがある状態で伝達され、この路は２つのセグメントを有し、一方は遊星セットを通り、他方はクラッチおよび遊星セットを通る。クラッチ路は滑りに対応し、滑り路を通って伝達されるトルクの割合は、専らクラッチを通って流れる電流に依存する。
Patent JP-2005515791-A (JP)
Title: 心血管疾患の素因を検出する方法
IPC: C12Q1/68
Filed: 2003-01-30
Abstract: 以下の工程：（ｉ）ヒトから生体サンプルを採取すること、及び（ｉｉ）生体物質由来の遺伝物質において５番染色体のＤ５Ｓ４００及びＤ５Ｓ４０８マーカーに限定された位置に少なくとも１つのアレル変異の存在を同定すること、を含み、この存在は心血管疾患の素因を示す。この方法において、血栓事象を明示する心血管疾患の素因を測定するために、５番染色体のＤ５Ｓ４００及びＤ５Ｓ４０８マーカーに限定された位置に少なくとも１つのアレル変異を含むことが可能な生体サンプルが使用される。この方法はヒトにおいて心血管疾患の素因の検出を可能にし、その結果、好適な予防及び治療戦略をデザインすることができる。
Patent JP-2005517059-A (JP)
IPC: C09J175/08
Filed: 2003-01-24
Abstract: The present invention relates to polyurethane prepolymer having terminal alkoxysilane and OH groups which is the reaction product of A) a polyurethane prepolymer prepared by incomplete reaction of i) an aromatic, aliphatic or cycloaliphatic diisocyanate component having an NCO content of 20 to 60% by weight with ii) a polyol component comprising a polyoxyalkylene diol having a number average molecular weight of 3000 to 20,000, wherein the reaction is stopped after 50 to 90% of the OH groups of component ii) are reacted and 10 to 50% are unreacted, with B) a compound having alkoxysilane and amino groups, preferably a compound containing alkoxysilane and aspartate groups. The present invention also relates to a process for preparing these polyurethane prepolymers containing terminal alkoxysilane and OH groups and to isocyanate-free, sealants, adhesives, primers and coatings containing these polyurethane prepolymers containing terminal alkoxysilane and OH groups as binders.
Patent JP-2005528342-A (JP)
Title: 抗炎症剤としてのピペラジン誘導体
IPC: C07D413/12
Filed: 2003-02-10
Abstract: 【化１】     式（Ｉ）の化合物（式中、R 1 −R 6 、X、Yは詳細な説明に記載されたとおりである）、並びにその塩及び溶媒和化合物はCCR-3アンタゴニストであり、それゆえに治療に有用である。
Patent JP-2005518169-A (JP)
Title: グループ通信ネットワークにおけるグループ呼へユーザを加入させるための通信装置
IPC: H04W4/08
Filed: 2003-02-12
Abstract: グループ通信ネットワークにおける呼にユーザを加入させるための方法および装置は、グループ呼を開始したいユーザからの指示を受信し、グループ呼が進行中であるときに、グループ呼にユーザを加える要求をサーバへ送付する。方法および装置は、さらに加えて、グループ呼が進行中であることを示す応答をサーバから受信し、呼に加えられることをユーザに警告し、トラヒックチャネルが再設定された後で、サーバから媒体を受信する。方法および装置は、さらに加えて、移動局が休止状態であり、かつトラヒックチャネルがアクティブでないときでも、グループ呼シグナリングを交換することによって、休止状態からの起動の実合計時間と待ち時間とを相当に低減する。
Patent JP-2005518707-A (JP)
IPC: H04J11/00
Filed: 2003-02-19
Abstract: Method and apparatus for determining a transmission configuration for a dedicated channel in a wireless communication system. In one embodiment, an optimum configuration is determined based on minimizing Peak-to-Average Ratio (PAR) of the channel. The configuration is defined as a transmission pair of transmission branch and spreading code. The transmission branch may be the In-Phase (I) branch or the Quadrature (Q) branch. PAR analysis may be performed off-line to determine the optimum configuration. In operation, if the spreading code of the optimum configuration is used by another channel, the next best optimum code is used.
Patent JP-2005518905-A (JP)
IPC: A61M5/315
Filed: 2003-03-06
Abstract: The present invention relates to a medicament delivery device such as an injector for self-administration of a medicament. Those using such devices are often infirm or have impaired vision. There is accordingly a dead for a medicament delivery device in which an amount of a dosage of medicament to be delivered can be selected relatively quickly by the firm and infirm alike and in which the amount of the dosage may readily be controlled and determined. Also there is a need to display the amount of the dialed dosage of medicament on the rotatable knob in figures sufficiently large and clear to be legible by those having a degree of impaired vision. There is disclosed a dose dial mechanism for a medicament delivery device having a housing, the dose dial mechanism comprising a dose dial element having a first thread for engagement with the housing and a dial sleeve member having a second thread for engagement with the housing; in which the dial sleeve member is coupled to the dose dial element so as to allow relative axial movement and inhibit relative rotational movement therebetween, and in which the pitch of the second thread is different from the pitch of the first thread so as to cause a different axial displacement of the dial sleeve member during axial displacement of the dose dial element.
Patent JP-2005521374-A (JP)
Title: Ｐｍ同期機におけるローター温度を求めるための方法および装置
IPC: H02P9/00
Filed: 2002-12-05
Abstract: 本発明は、磁界配向方式による制御が行われる、永久磁石励磁式の同期機におけるローター温度を求めるための方法および装置に関している。本発明によれば、推定値算出器が設けられており、該推定値算出器には、直軸電流制御器と横軸電流制御器から供給される、縦軸電流と横軸電流に対する調整量が供給される。この推定値算出器は、この調整量と同期機の温度モデルを用いたもとでローター温度に対する推定値を求めている。
Patent JP-2005522472-A (JP)
Title: 関節炎の治療用薬剤
IPC: A61P19/02
Filed: 2003-03-27
Abstract: 次の一般式(I)： A-(B) b0 -(C) c0 -N(O) S   (式中：Aは、非ステロイド系抗炎症性、または非ステロイド系抗炎症/鎮痛薬剤の基を含み、BおよびCは、二価の結合基である)を有する抗炎症性および／または抗炎症/鎮痛化合物またはそれらの塩を、関節炎の治療に用いる。
Patent JP-2004111998-A (JP)
Title: Method for mounting component and apparatus for mounting component
Inventor: MAENISHI YASUHIRO
IPC: H05K13/04
Filed: 2004-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for mounting components and apparatus for mounting components which can shorten a mounting time by reducing suction preparation operations of suction nozzles such as controlling the number of interchange times of the suction nozzles or adjusting the spaces of the suction nozzles on the moving head when mounting the components on a multi-piece-section substrate.  <P>SOLUTION: The arrangement space of component holding devices on the moving head, on which a plurality of components holding devices holding the components from a component supply portion where a plurality of components are arranged, corresponds to at least one of the arrangement gap of component on the component supply portion being not adjacent or the different gap of a component mounting position on the substrate.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2005193141-A (JP)
Title: Organic solid treatment apparatus
Inventor: SASA HIROMI
IPC: B09B3/00
Filed: 2004-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To more enhance the energy efficiency related to the treatment of an organic solid than before.  <P>SOLUTION: This organic solid treatment apparatus is equipped with a treatment container for applying predetermined treatment to the organic solid using a high-temperature and high-pressure liquid or gas and a stirring means for stirring the treated matter of the organic solid using the high-temperature and high-pressure exhaust gas discharged from the treatment container after treatment.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005200484-A (JP)
Title: Apparatus for producing polyurethane foam and method for producing polyurethane foam using the apparatus
Inventor: NISHIMURA HIROAKI
IPC: C08G18/00
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for producing a polyurethane foam having a predetermined foaming degree or the like by mixing a predetermined amount of liquid carbon dioxide as a foaming agent with a polyol component and the like.  <P>SOLUTION: The apparatus for producing a polyurethane foam comprises a vacuum insulation vessel 1 in which liquid carbon dioxide of -10°C or less is filled, a liquid carbon dioxide supply pipe 2 which is connected to the vacuum insulation vessel at one end thereof, a first liquid carbon dioxide weighing means 34 which is connected to the other end of the liquid carbon dioxide supply pipe, a first liquid carbon dioxide transfer pipe 35 which is connected to the first liquid carbon dioxide weighing means at one end thereof, a first mixer 37 for mixing a polyol component and liquid carbon dioxide which is connected to the other end of the first liquid carbon dioxide transfer pipe, and a pipe 38 for supplying the mixture of a polyol component and liquid carbon dioxide which is connected to the first mixer at one end thereof.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005199780-A (JP)
Title: Control device of electric power steering device
Inventor: ENDO SHUJI
IPC: H02P6/08
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem in a motor control wherein the motor control can not be rightly executed when neutral point potential is unstable, and torque ripple and noise of the motor are large and loud and are not desirable.  <P>SOLUTION: The motor control for stabilizing the neutral point potential is enabled by performing a control to estimate and compensate counter electromotive voltage of each phase of the motor after reducing an average value of each phase voltage command value in the voltage command value of each phase determined from a current command value to the motor and detected current of the motor, to reduce torque ripple and noise of the motor. In this device using the motor, a steering wheel operation reduced in noise and having good feeling is enabled.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005199798-A (JP)
Title: Instrument panel
Inventor: YOSHIHARA TOSHIKAZU
IPC: B60K35/00
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an instrument panel which can reduce the cost and enables a driver to sufficiently visually recognize a warning displaying device even when the area occupied by the warning displaying device is small based on a meter.  <P>SOLUTION: This instrument panel 1 is equipped with at least a meter hood 7 comprising the approximate flat surface-like meter 4, an upper eave section 5 which protrudes backward from the top of the meter 4, and side part eave sections 6 and 6 which protrude backward from both side sections of the meter 4. In the instrument panel 1, the warning displaying devices 11 and 11 are arranged on the side part eave sections 6 and 6.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005201148-A (JP)
Title: Scroll fluid machine
Inventor: YOSHIMURA KEIJI
IPC: F04C29/00
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To improve bearing reliability in a scroll fluid machine which comprises a slide bushing (25) mounted between an eccentricity section (22b) of a drive shaft (22) movable in rotation and a movable scroll which revolves around the drive shaft in such a manner that it can slide in a radial direction of the above-mentioned eccentricity section (22b).  <P>SOLUTION: The slide bushing (25) is made not to slant even when the eccentricity section (22b) bends in such a way that at least one side of a sleeve side plane portion (P1) formed in the slide bushing (25) and a drive shaft side plane portion (P2) formed in the eccentricity section (22b) of the drive shaft (22) is made to be inclined plane, and that a clearance between both plane portions (P1, P2) is so constituted that it may become larger when it heads further from a tip side to a base end side of the above-mentioned eccentricity section (22b).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204431-A (JP)
Title: Motor drive unit
Inventor: KIUCHI MITSUSACHI
IPC: H02P6/18
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To detect a motor load state in simplified sensor-less sine wave drive.  <P>SOLUTION: AC power 1 is converted into DC power by a rectifying circuit 2, a motor 4 is driven by an inverter circuit 3, an output current of the inverter circuit 3 is detected by a current detection means 5, a reactive current is controlled so as to reach a prescribed value in the set number of revolutions, and the load state is discriminated by an output voltage of the inverter circuit or output power.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005199411-A (JP)
Title: Grinding device and grinding method
Inventor: TAKASHIMA KAZUHIKO
IPC: B24B41/04
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a grinding device and a grinding method capable of finishing a shaft-like workpiece provided with an eccentric member at a position decentered relative to a rotational shaft into a smooth face at high accuracy and high level by grinding.  <P>SOLUTION: Both ends of a crankshaft 1 provided with a pin part 3 are supported by holding parts 20, 21 and a support means 11, and the crankshaft 1 is rotated with a central axis R<SB>2</SB>of the pin part 3 as a rotation center, so that unbalance of the crankshaft 1 is corrected by a rotation balance supporting member 30 installed to the support means 11 during rotation. Therefore, rotation balance can be kept easily, and the crankshaft 1 can be rotated at a high speed, so as to finish the workpiece into a smooth face at a high level.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005199644-A (JP)
Title: Recorder and method of controlling the same
Inventor: SHIBAOKA HIDEO
IPC: B41J29/42
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To solve such a problem that when a recorder is suddenly turned off or a device fails for some reason, a printing command is stopped (interrupted) in the way of printing or the recorder can not restore the operating condition.  <P>SOLUTION: This recorder has a nonvolatile memory section for storing recording data and information about a progress of the operation of the recorder. When the recording operation is started, the recording command is stored and the information on the progress of operation is stored in the nonvolatile memory.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005208092-A (JP)
Title: Projector and zoom adjustment method therefor
Inventor: MIYASAKA NORIAKI
IPC: H04N5/74
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To automatically adjust the size of a projection area projected on an exclusive screen with a frame or the like to a desired dimension even when the keystone correction is not carried out.  <P>SOLUTION: A CPU 120 moves a zoom lens 116 to the wide angle side (step S102). When reaching the wide angle side end, the CPU 120 stops driving the zoom lens 116 and starts the projection and photographing of an image (step S106). The CPU 120 gradually moves the zoom lens 116 to the telephoto side (step S108), pays attention to the positional relation between the projection area 204i projected on a photographed image 150 and a frame 202i of the exclusive screen with the frame, and judges whether an angle of the frame 202i of the exclusive screen with the frame and a side of the projection area 204i overlap each other, or whether the angle of the projection area 204i and a side of the frame 202i of the exclusive screen with the frame overlap each other (steps S110, S112). When overlapping is found, the CPU stops the drive of the zoom lens 116.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005207057-A (JP)
Title: Joining device for framework member
Inventor: HATAKEYAMA SADAYUKI
IPC: E04B1/26
Filed: 2004-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a joining device for framework members capable of carrying out pulling operation with simple structure without any inconvenience in joining strength.  <P>SOLUTION: A joint surface of one framework member out of a pair of framework members to be joined to each other is protrusively provided with a pair of joint plates 2, 2 with a space, wherein both upper and lower edges 2a, 2b are provided with inclined edge parts 2a', 2b' gradually approaching each other toward the base part from the tips. The other framework member provided with joint plates 2, 2 at a joint surface and fitted at a slit 4 is provided with upper and lower fitting insertion holes 5, 5 intersecting the slit 4, and drift pins 6 are fittingly inserted in the fitting insertion holes 5, 5 so as to be in contact with the inclined edge parts 2a', 2b' of the joint plates 2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204849-A (JP)
Title: Permanent magnet type magnetic field generator
Inventor: HIGUCHI MASARU
IPC: H01F7/02
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To attain high magnetic field homogeneity and a low skew angle in a dipole ring magnetic field generator.  <P>SOLUTION: This permanent magnet type magnetic field generator includes a plurality of permanent magnet pieces arranged in the state of a ring to generate a magnetic field substantially in one direction in the internal space of the ring. The magnetizing direction of each permanent magnetic piece goes into a 360-degree rotation by the half way around the ring, respective permanent magnetic pieces have magnetic force of substantially the same intensity, and the permanent magnetic pieces are arranged so as to form recesses and projections toward the center axis of the ring, or have a shape having recesses and projections toward the center axis of the ring.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005210343-A (JP)
Title: Information processor and method therefor, recording medium and program
Inventor: KONDO TETSUJIRO
IPC: H04N7/01
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To generate a higher-definition image signal in real time.  <P>SOLUTION: A student image generator 11 generates a CIF image signal as a student image signal by thinning pixels by 1/2 in horizontal and vertical directions from an inputted SD image signal. A learning pair generator 12 generates a learning pair consisting of a signal pair of the SD image signal and the CIF image signal. A coefficient generator 13 generates a normal equation on the basis of the learning pair, and generates a prediction coefficient. An image operator 14 applies the prediction coefficient to the SD image signal to generate an HD image signal. This invention is applicable to an image processor for generating an HD image signal from an SD image signal.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005208283-A (JP)
Title: Stage circulating apparatus and image forming apparatus
Inventor: TERADA KAZUHIRO
IPC: G03F9/00
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To perform initialization operation of a plurality of stage members circulating in a circulation path without using an expensive encoder.  <P>SOLUTION: In a stage member circulating apparatus 11 provided in a laser exposure apparatus 10, a plurality of sensors are disposed to detect the positional relation between a stage member 20 and a stage member 30. A carrying controlling unit judges whether the stage member 20 or the stage member 30 is located in the vertical or lateral position of the stage member 30 or the stage member 20 or not, and moves the stage member 20 or the stage member 30 to the direction where the stage member 30 or the stage member 20 is not located so as to dispose the stage member 20 or the stage member 30 in the initial position.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005209023-A (JP)
Title: Program and recording media
Inventor: KITAMURA YUJI
IPC: G06F12/00
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To accurately classify files according to kinds and record the files in an information recording medium.  <P>SOLUTION: When a designated file is recorded in the information recording medium having a plurality of folders provided for different kinds of data, the folder matching the extension of the designated file is selected from the plurality of folders (step 555, 557). Thus, the designated file is stored in the folder that matches the kind of the data, without the user designating the folder in which to store the designated file.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005208464-A (JP)
Title: Zoom lens and camera using same
Inventor: KAWAKAMI ETSURO
IPC: G02B13/18
Filed: 2004-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high performance zoom lens which is conveniently carried and has a high resolution and a small distortion aberration, and to provide a camera using the zoom lens.  <P>SOLUTION: The zoom lens is composed, successively from the object side, of a first lens group having a positive refractive power as a whole and a second lens group having a negative refractive power as a whole, the first lens group being composed of a 1a lens group and a 1b lens group, the 1a lens group being composed of a negative first lens and a positive second lens, the 1b lens group being composed of a negative third lens, a positive fourth lens which is composed by being cemented to the third lens, and a fifth lens, and the second lens group being composed of a positive or negative sixth lens, a positive seventh lens and a negative eighth lens. The zoom lens is zoomed by varying the distance between the first lens group and the second lens group.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005210632-A (JP)
Title: Broadcast wave transmitting apparatus and broadcast wave receiving system
Inventor: SATO KEISUKE
IPC: H04N21/61
Filed: 2004-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a broadcast wave transmitting apparatus and broadcast wave receiving system, in which installation is simplified and direction control or the like of a transmission means for transmitting broadcast waves can also be simplified, even after installation.  <P>SOLUTION: The broadcast wave transmission apparatus comprises a circuit (conversion circuit) for converting the frequency of broadcast waves received from the outside into the frequency of the radio waves (converted broadcast wave) which is a frequency band in the range of 3 GHz to 300 GHz, an antenna 64 for transmitting radio waves to a millimeter-wave receiving apparatus 2 by radio, and a rotary/fixed section 66 for controlling the transmission direction of the radio waves to be transmitted from the antenna 64 by radio and/or the position of the antenna 64.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005214245-A (JP)
Title: Screw for metal sandwich panel
Inventor: NAKAMURA MOTOHIRO
IPC: F16B25/00
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a screw for a metal sandwich panel that can tightly fix a metal sandwich panel to a base while ensuring appreciable working efficiency and low installation cost.  <P>SOLUTION: The screw 10 for a metal sandwich panel, which fixes a metal sandwich panel 80 having a core 83 between a first plate 81 and a second plate 82 to a column 84, has a stopper 3 having a stop face 3a axially spaced from a bottom 1a of a head 1 by a length L1 corresponding to the thickness of the first plate 81 and core 83 and provided with a diameter D2 larger than a ridge diameter D1 of an external thread 2a and smaller than a diameter D3 of the head 1, and a reamer 4 having cutting edges 4a positioned on a point side of the stopper 3 and designed to keep a diameter substantially equal to the diameter D2 of the stop face 3a until passage through the first plate 81 and to at least diminish before passage through the second plate 82.  <P>COPYRIGHT: (C)2005,JPO&NCIPI