baber/WOPTO huggingface dataset:
Patent JP-2004519000-A (JP)
Title: ファイバ光回路基板コネクタ
IPC: G02B6/00
Filed: 2001-10-29
Abstract: 多層エレクトロオプティカル回路基板に用いられる光コネクタである。エレクトロオプティカルバックプレーン回路基板は電気および光の形式の信号を伝達する電気コネクタおよび光コネクタの両方を用いる。光コネクタは、プラグイン基板とエレクトロオプティカルバックプレーンとの間の信頼できる連結性を提供するために多重の調心態様を有する。光コネクタを埋設するようにバックプレーンと他のマルチレベル回路基板とを形成する工程が開示される。
Patent JP-2004524742-A (JP)
Title: Ｔｄｍａ無線通信ネットワークにおけるチャネル使用状態の自動検出及びその自動修正
IPC: H04W92/02
Filed: 2002-01-25
Abstract: 【課題】移動体交換センタにより、時分割多元接続無線通信ネットワークアーキテクチャにおける電話コールの切り替えが行われる。 【解決手段】移動体交換センタ内のプロトコル通信制御装置は、移動体交換センタと少なくとも１つの基地局コントローラ間で通信を制御するように適合される。移動体交換センタ内の相互接続機能は、移動体交換センタと、無線通信ネットワーク以外の別のネットワークとの間で情報を送信するように適合される。コンパクトデータサービスユニット（ＣＤＳＵ）は、前記移動体交換センタを介して切り替えられるデータコール中にグレードダウン処理手順が行われるときはいつでも、グレードダウン処理手順ネットワークで紛失した電話コールのサブチャネルの自動検出を前記移動体交換センタに行わせる。 【選択図】図１
Patent JP-2004530737-A (JP)
IPC: C08F4/52
Filed: 2002-02-21
Abstract: The present invention is directed to a polymerizable system. The polymerizable system comprises an organoborane, at least one polymerizable monomer, and a work-life extending agent.
Patent JP-2004527241-A (JP)
IPC: C12Q1/68
Filed: 2002-03-08
Abstract: Detecting cytosine methylation in DNA samples by: (i) chemically treating a genomic sample to convert all non-methylated cytosines to uracil while leaving methylated cytosines unchanged; (ii) amplification with 2 primer oligonucleotides and a polymerase; and (iii) analysis of the amplicon and deducing the methylation status of test DNA. Detecting cytosine methylation in DNA samples by: (i) chemically treating a genomic sample to convert all non-methylated cytosines to uracil while leaving methylated cytosines unchanged; (ii) amplification with 2 primer oligonucleotides and a polymerase; and (iii) analysis of the amplicon and deducing the methylation status of test DNA from the presence of an amplicon and/or analysis of additional positions. The sample contains both test DNA and background DNA and step (ii) is designed for preferential amplification of test DNA. An independent claim is also included for a kit containing a bisulfite reagent, primers, additional oligonucleotides that lack a 3'-hydroxy for preparation of an amplicon, and optionally instructions for performing an assay.
Patent JP-2004527294-A (JP)
Title: 連続可変視界を伴うｍｒｉの勾配コイルアセンブリ、画像形成装置、画像形成方法及び画像形成システムのための勾配コイルシステムをデザインする方法
IPC: A61B5/055
Filed: 2002-03-19
Abstract: 勾配コイルアセンブリ（２２）は、磁気共鳴画像形成装置の主磁場を貫く磁場勾配を生成し、第１の有効な画像形成体積において略線形である磁場勾配を生成するベース勾配コイルのセット及び略０である一次モーメントを有する磁場勾配を生成する補正勾配コイルのセットを備える。補正勾配コイルのセットは、第１の有効な画像形成体積とは異なる第２の有効な画像体積において略線形である磁場勾配を生成するために、ベース勾配コイルのセットの高次項と結合する三次及びそれ以上の高次のモーメントを生成する。本発明の好適な実施形態においては、第２体積は、ベースコイル及び補正コイルに適用される電流量を調整することにより連続的に可変である。
Patent JP-2005510828-A (JP)
Title: 修飾炭素生成物を含む燃料電池及び他の生成物
IPC: H01M8/10
Filed: 2002-04-10
Abstract: 燃料電池が説明され、それはガス拡散電極と、ガス拡散対向電極と、該電極及び該対向電極の間に位置された電解質膜とを含む。該電極若しくは該対向電極又はその両方が少なくとも１つの修飾炭素生成物を含む。さらに又はあるいは、該電解質膜が同様に修飾炭素生成物を含むことができる。該修飾炭素生成物は少なくとも１つの有機基が結合された炭素生成物である。好ましくは、該有機基はプロトン伝導性基及び／又は電子伝導性基である。本発明は、好ましくは活性層又は触媒層においてフルオロポリマーバインダーをなくすことを可能にし、さらに好ましくはより薄い活性層及び／又はより薄い電解質膜をもたらす。その他の使用及び利点もまた説明される。
Patent JP-2004519972-A (JP)
Title: 画像信号コントラスト制御方法
IPC: H04N9/68
Filed: 2002-04-02
Abstract: 【課題】画像の少なくとも部分のコントラストを制御する方法を提供する。 【解決手段】コントラストを上げている間に画像の彩度を下げることによりコントラストを制御する。
Patent JP-2004527319-A (JP)
Title: 材料を硬化するためのハロゲンランプの動作方法
IPC: A61C13/15
Filed: 2002-05-02
Abstract: ハロゲンランプからの放射を用いて歯科材料を硬化する方法および装置は、ランプの加熱素子内の電流の流れを調整することによって、硬化が速い短波長側に放射のスペクトルをシフトする。電流は、硬化を行う時間にわたって流される。加熱素子に流される電流の大きさの上限値を維持するため、加熱素子の動作温度に達する前に、この時間の初期部分の間、電源によって加熱素子に印加される電圧を減らすように、調整された電源の制御信号で帰還回路とフィードフォーワード回路が動作し、これによって、ランプの動作寿命を延ばすために、加熱素子の明確に不必要な動作に対する。
Patent JP-2004211839-A (JP)
Title: Driving device with clutch
Inventor: HASHIMOTO MIKIO
IPC: H02K7/10
Filed: 2003-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a driving device with a clutch capable of being miniaturized and lightened, and reducing the cost.  <P>SOLUTION: This driving device with the clutch having a clutch mechanism between a rotor 41 of a motor 40 and an output shaft, comprises the motor 40 having a first winding 42a for rotating the rotor 41, and a second winding 42b for axially moving the rotor 41, and a rotor pinion 50 oppositely mounted on the rotor axis and connected with the output shaft. An energizing means 60 for energizing the rotor 41 and the rotor pinion 50 in the directions separated from each other, is mounted therebetween, and opposite end faces 41a, 50a of the rotor 41 and the rotor pinion 50 are provided with engagement means 45, 58 engaged with each other when they are close to each other.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004220150-A (JP)
Title: Reservation system and reservation method
Inventor: NAKAMURA SHIGEHIKO
IPC: G06Q20/00
Filed: 2003-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reservation system and a reservation method which permit a customer to know the current state of congestion from information on the number of waiting persons of each store, permit a customer to make an inquiry about the current number of persons waiting for making a reservation, can reduce a loss for a store due to a cancellation, and permit a customer to easily make a reservation even for a store of a high number of waiting persons.  <P>SOLUTION: The reservation system, which uses wireless communication service, transmits information on a store and a reservation menu from a wireless device 107. A customer receives the information using a portable terminal 112, and makes a reservation according to the reservation menu. If the order number of waiting reaches a predetermined number in the reservation, the whole or a part of a fixed amount or commodity service is settled between the shop and the customer, and after the commodity/service is provided, a difference of the amount which has been settled in the reservation from the price of the commodity/service is paid.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004216293-A (JP)
Title: Wash-free rice manufacturing apparatus
Inventor: HIRANO HARUCHIKA
IPC: B02B7/02
Filed: 2003-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To produce safe wash-free rice of high quality with a simple apparatus using no water nor bran adsorbent.  <P>SOLUTION: An outlet side of a rice milling part is connected to a receiving side of a rice polishing part. A sending spiral of a rice polishing roll of the rice polishing part serves as a grain sending part, and rice polishing protrusions with a lead reverse to the sending spiral serve as bran removing parts. The outer periphery of the rice polishing roll of the bran removing part is covered with a bran removing cylinder, the outside of the cylinder is surrounded with an air suction cover, and a suction duct is connected to one end of the suction cover. Return passage inlet and outlet are provided at a terminal part of the grain sending part and at a milled rice supply passage supplying milled rice of the rice milling part, respectively. Part of rice grains is returned to the grain sending part again through the return passage together with separated bran. Bran filled in pleats of the surfaces of the rice grains are peeled off with the returned bran, sucked to the outside with suction air of the suction cover at the bran removing part together with other bran. Only rice grains are taken out in a clean state, or as wash-free rice from the rice polishing part.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004217387-A (JP)
Title: Paper feeding unit and image forming device
Inventor: OZAWA TORU
IPC: B65H11/00
Filed: 2003-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To miniaturize an image forming device having a cut paper feeder by effectively utilizing a space for a part for installation of a paper feeding cassette.  <P>SOLUTION: The paper feeding cassette and the cut paper feeder 74 can be exchanged in relation to an image forming device main body. The cut paper feeder 74 is formed with a carrying passage between a pair of guide parts 88 and 90, and a paper sheet jammed in the carrying passage can be eliminated by opening one guide part 88. Paper sheets can be carried by inserting one paper sheet into the carrying passage between the guide parts 88 and 90 of the cut paper feeder 74.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004221434-A (JP)
Title: Method and apparatus for forming porous film with fine regular structure
Inventor: KAWAKAMI NOBUYUKI
IPC: H01L21/316
Filed: 2003-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide the forming method of a porous film with a regular structure uniform over an entire face of an optional substrate and to provide a forming apparatus therefor.  <P>SOLUTION: The method for forming a porous film with the fine regular structure on the substrate sequentially includes a first step of preparing a film forming solution containing an organometallic compound, an organic solvent, water and a surface active agent; a second step of passing the film forming solution through micro channels of a first channel member wherein many of the micro channels whose width is 5 mm or below are placed adjacent to each other in the widthwise direction, and thereafter coating the solution on the optional substrate surface to form a film thereon; and a third step of applying porous processing to the film obtained in the second step. Having only to coat the film forming solution including the organometallic compound, the organic solvent, the water and the surface active agent on the optional substrate through the micro channels of a particular shape to form the film can easily obtain a porous film having a regular structure over the entire substrate. The porous film having the regular structure as above can properly be used for interlayer insulating materials for LSIs wherein further high circuit integration is an objective, catalyzers, sensors, and chemical electrodes or the like because its mechanical strength is not reduced.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004227819-A (JP)
Title: Controller for area sensor
Inventor: KUDO MOTOHIRO
IPC: H01H35/00
Filed: 2003-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To simplify the replacing work of a relay of a controller for an area sensor.  <P>SOLUTION: A terminal board 7 constitutes a relay module 10 together with a relay substrate 9 on which the relay 8 is mounted, and the relay module 10 is detached from or attached to a controller case 2. When the relay 8 is replaced, the relay module 10 is taken out of the case 2, and the relay substrate 9 is replaced. The relay substrate 9 contains a disconnection detecting circuit 32, and the disconnection detecting circuit 32 is electrically connected to power source lines 18, 19 of the relay substrate 9. The disconnection detecting circuit 32 turns off the relay 8 through a relay drive circuit 29 when the disconnection detecting circuit 32 is opened by contact failure of a GND terminal 21 of an inside connector 14 or disconnection of GND side power source lines 19, 23, for example.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004225114-A (JP)
Title: Al-Mg BASED ALUMINUM ALLOY SHEET FOR HIGH SPEED SUPERPLASTIC MOLDING
Inventor: KOBAYASHI KAZUNORI
IPC: C22F1/047
Filed: 2003-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an Al-Mg based aluminum alloy sheet which has high strength after high speed superplastic molding, and has excellent high speed superplastic moldability as well.  <P>SOLUTION: The Al-Mg based aluminum alloy sheet for high speed superplastic molding has a composition comprising 3.5 to 7.0% Mg, >0.1 to 1.0% Mn, 0.1 to 0.5% Cu and 0.001 to 0.1% Ti, and in which each content of Si and Fe is regulated to ≤0.2%, and the balance Al with inevitable impurities, and in which 0.2% proof stress after heat treatment of being held at 500°C for 3 min and let to cool to a room temperature is ≥150 MPa.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004227323-A (JP)
Title: Electronic mail communication system
Inventor: IWASA TAKEHIKO
IPC: G06F13/00
Filed: 2003-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic mail communication system for allowing a user to easily confirm the reception of an electronic mail.  <P>SOLUTION: A plurality of access terminals 1 having electronic mail functions are connected through the Internet to a host server 2 so as to communicate with each other. The host server 2 transmits a mail 3 showing the URL of a message 5 to the access terminal 1. The access terminal 1 performs access to the URL to browse a message 5. The host server 2 detects the access from the access terminal 1, and announces the presence or absence of access in the message 5. The transmission side access terminal 1 is able to confirm whether or not the reception side access terminal 1 has browsed the message 5 according to the announced contents.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004231787-A (JP)
Title: Epoxy resin diluent, epoxy resin composition and epoxy resin cured product
Inventor: YUASA MASATOSHI
IPC: C08G59/00
Filed: 2003-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an epoxy resin composition capable of giving an epoxy resin cured product excellent in workability and thermal/mechanical properties and electrical properties.  <P>SOLUTION: The epoxy resin diluent consists of a liquid epoxy compound 91-102 in epoxy equivalent and ≤100 ppm in total chlorine content, represented by the general formula(1)( wherein, R is H, methyl, ethyl or glycidyloxymethyl ). The epoxy resin composition essentially comprises the epoxy resin diluent, a solid epoxy resin or a liquid epoxy resin higher in viscosity than the epoxy resin diluent, and a curing agent or a curing catalyst, wherein the epoxy resin diluent accounts for 1-60 wt.% of a total of the essential components.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004236046-A (JP)
Title: Tuner for receiving satellite broadcasting
Inventor: IESHIMA YUICHI
IPC: H04B1/18
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tuner for receiving satellite broadcasting, which is excellent in an electrical characteristic.  <P>SOLUTION: In this tuner for receiving satellite broadcasting, a flattening circuit 5 for flattening the level of a signal outputted from an amplifier 4 within a prescribed frequency range is provided at a post stage of the amplifier 4 for amplifying an RF signal inputted to an RF input terminal 1. This flattening circuit flattens the level of a signal to be inputted to a demodulating part 7 within a prescribed frequency range to make an electric characteristic satisfactory.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004232984-A (JP)
Title: Self-defense implement
Inventor: WADA SHIRO
IPC: F41B15/02
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an epoch-making self-defense implement with extremely high commercial value.  <P>SOLUTION: In this self-defense implement, a bar-like hitting part 2 is formed at the tip of a holding part in a projected shape. Since the bar-like hitting part 2 is formed of a synthetic resin, the bar-like hitting part 2 has vertical standing retainability for bringing the implement in a vertical standing state when the tip of the holding part 1 is faced upward and also has flexibility allowing the hitting part to be deflected and bent when the holding part 1 is swung.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004230448-A (JP)
Title: Laser beam machining device
Inventor: MARUSHIMA KAZUO
IPC: B23K26/06
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a laser beam machining device capable of obtaining excellent machining laser beams with Gauss distribution even when the mode of the beams emitted from a laser beam oscillator is low order or high order.  <P>SOLUTION: A plurality of reflection mirrors 3-3 as lateral mode improving means are provided in the optical path length from an outgoing port 2a of a laser beam oscillator 2 to an incoming port 4a of a beam expander 4, and the optical path length to generate the TEM00 mode is ensured by successively returning the travel direction of laser beams by the reflection mirrors.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004233824-A (JP)
Title: Multibeam scanner
Inventor: ISHIHARA KEIICHIRO
IPC: G02B26/10
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multibeam scanner in which the overall size of the device is miniaturized and a deflection means and a motor or the like are simply composed.  <P>SOLUTION: In the multi beam scanner provided with a light source means having a plurality of light emitting points arranged with a space in the main scanning direction and a deflection means which deflects a plurality of luminous fluxes emitted from the light source means toward a plane to be scanned, when a light emitting point which emits a luminous flux among the plurality of luminous fluxes emitted from the light source means which arrives at a position which is farthest from the center of the deflection plane of the deflection means in the main scanning direction, is defined as a first light emitting point, and another point which emits another luminous flux is defined as a second light emitting point, the second light emitting point is firstly ignited within an external angular region on an upstream side existing at the upstream side in the rotational direction of the deflection means rather than an effective scanning angular region for deflecting the luminous flux toward the effective scanning region on the plane to be scanned within an angular region which is deflectable with the deflection means.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004239934-A (JP)
Title: Illumination optical system and projector using the same
Inventor: KOGA RITSUO
IPC: G02B27/18
Filed: 2003-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide an illumination optical system which enhances the utilization efficiency of light from a light source by coping with the secular change of the light source, and to provide a projector using the same.  <P>SOLUTION: An illumination optical system 10 has: a discharge lamp 20; a reflection mirror 30 which condenses the light from the lamp 20; an aperture conversion device 50 which has a plurality of apertures 52a, 52b, 52c and 52d having different sizes, arranges an aperture selected from the plurality of apertures at a specified position and makes the light from the mirror 30 incident on the selected aperture; a photosensor 70 which detects the size of the light made incident on the device 50; and a control part 80 which controls the aperture selected by the device 50 on the basis of a detection signal 71 from the photosensor 70.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004237823-A (JP)
Title: Dynamo switching device for bicycle
Inventor: HASHIMOTO TSUTOMU
IPC: B62J6/08
Filed: 2003-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a remote controlled bicycle switching device from obstructing a handling operation and a braking operation.  <P>SOLUTION: The dynamo switching device for a bicycle comprises an attaching band 1 fastened to a handle post; an operating lever 5 pivotally attached to the attaching band; and a coupling rod 15 connected to a tip end of the operating lever at an upper end 16, and connected to a switching lever equipped on a dynamo at a lower end 19. Furthermore, the attaching band and the operating lever are made of resin, and recessed and projecting portions 8, 9 engaging with each other so as to fix a switching angle of the operating lever are respectively provided on an outer end surface of a bearing portion 6 provided on a side surface of the attaching band and an inner end surface of a bearing portion 7 coaxially provided in the operating lever 5 side so as to abut on the bearing portion 6. A thick bolt 10 inserted in both bearing portions is screwed with a nut 4 equipped in a bearing portion in the attaching member side. A cushion spring 14 fitted in a spring receiving hole 12 provided on the bearing in the operating lever side is spring received by a a head portion 10' of the thick bolt.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004240122-A (JP)
Title: Plastic optical fiber cable and manufacturing method
Inventor: MIYOSHI TAKAHITO
IPC: G02B6/00
Filed: 2003-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-core plastic optical fiber cable with a high density and superior humidity resistance.  <P>SOLUTION: A clad part 33b is produced by polymerizing (met)acrylic acid ester having an alicyclic hydrocarbon group with MMA. A core part 33a is produced by an interfacial gel polymerization method. A primary coating layer 33c with a thickness of ≤450μm is formed on a circumferential surface of the clad part 33b. Seven cables 34-39 same as the above single-core optical fiber cable 33 are bundled, a filler 41 is filled into gaps, and the outer surface of the bundle is covered with a secondary coating layer 43 to produce the multi-core optical fiber cable 40. The cable 40 has superior flexibility because of its thin coating layer, to reduce bending loss.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238517-A (JP)
Title: Method for manufacturing epoxy resin composition
Inventor: HONDA TAKESHI
IPC: C08G59/68
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing an epoxy resin composition satisfying both latency and curability at high temperatures of 200°C or higher.  <P>SOLUTION: In the manufacture of the epoxy resin composition comprising, as essential components, (A) an epoxy resin, (B) a curing agent for the component (A), and (C) a curing accelerator represented by formula (1), the component (C) is previously dispersed uniformly in a part or the whole of the component (A), and the resultant dispersion is subsequently mixed with the residual components containing the component (B). In formula (1), R<SP>1</SP>-R<SP>8</SP>are each a 1-10C substituted or unsubstituted monovalent hydrocarbon group.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238943-A (JP)
Title: Double-acting type plate
Inventor: NAKAYAMA HIROSHI
IPC: B60J5/10
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a double-acting type plate with a simple construction and a lightweight design at a low cost capable of being used for a door of a cargo compartment and a step or the like in a conveying mobile body such as a freight car or the like and performing hinge rotation and parallel movement by a single actuator.  <P>SOLUTION: The double-acting type plate includes a driving lever 20 rotationally driven by the single actuator 10, a plate body 30 rotatably connected to an operation section of the driving lever 20 and a cam mechanism 40 controlling a posture of the plate body 30. The cam mechanism 40 is so constituted that the plate body 30 is made to approximately make parallel movement by a first cam groove 41 when the plate body 30 rotates one area 1 between two rotational areas 1 and 11 set in the rotational area of the plate body 30 and that the plate body 30 is rotated by a second cam groove 44 so as to follow the rotation thereof when the plate body 30 rotates the other area 11.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238047-A (JP)
Title: Packaging bag
Inventor: KATAYAMA HIROSHI
IPC: B65D33/25
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To make it possible to execute step-cut opening which allows the position of the opened end of the front surface part 1 and the rear surface part 2 to be shifted after opening an envelope by simply forming a short cut-out, in a packaging bag which is ripped apart, via a notch 4, from the opening start side edge part having the notch 4 in a peripheral edge heat seal part 3 for connecting a front surface part 1 and a rear surface part 2 opposed to each other.  <P>SOLUTION: The cut-out 5 for a step-cut guide, which crosses the extension 6 extending from the notch 4 to the ripping direction with its one end located inside the intersection 7 with the extension 6 and shifted from the extension 6, is formed at a position adjacent to the inside of the peripheral edge heat seal part 3 and opposing the notch 4 of the front surface part 1 and the rear surface part 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI