baber/WOPTO huggingface dataset:
Patent JP-2011503323-A (JP)
Title: 二液性湿気硬化型樹脂組成物、ならびにそれらに基づいた接着剤、封止剤およびコーティング剤組成物
IPC: C09D183/04
Filed: 2008-11-12
Abstract: ａ）実質的に湿気を含まない、（１）湿気硬化型シリル化樹脂、および（２）任意選択で、可塑剤、溶媒、揺変剤、粒状物質、湿気吸収剤、イソシアナート補足剤、架橋剤、接着促進剤、ＵＶ安定化剤および抗酸化剤からなる群より選択される一つもしくはそれ以上の追加の成分を含有する第一の部分と、ｂ）（１）湿気硬化型シリル化樹脂（ａ）（１）を硬化するのに十分な量の水；（２）少なくとも一つの可塑剤および／もしくは粒状物質；（３）可塑剤（ｂ）（２）がもし存在するならその安定なエマルションをもたらすのに十分な量の非イオン性界面活性剤、および、粒状物質（ｂ）（２）がもし存在するならその安定な懸濁をもたらすのに十分な量の非イオン性界面活性剤；（４）任意選択で、溶媒、揺変剤、ｐＨ調整剤、ＵＶ安定化剤および抗酸化剤からなる群より選択される一つもしくはそれ以上の追加の成分を含有する第二の部分とを含有し、ここで第一のおよび／もしくは第二の部分は加水分解した湿気硬化型シリル化樹脂（ａ）（１）の縮合反応のための触媒（ｃ）をさらに含有する、二液性湿気硬化型樹脂組成物。
Patent JP-2011507444-A (JP)
Title: 線形電力増幅器
IPC: H03F1/32
Filed: 2008-12-18
Abstract: 前置歪み手段及びフィードフォワード回路を含む線形電力増幅器について記載する。前置歪み手段及びフィードフォワードキャンセルシステムの両方を用いることによって、増幅器の線形性は増す。増幅信号の精度は、フィードフォワードキャンセルシステムによって生成されるエラー信号を用いて前置歪み手段をトレーニングすることによって、改善され得る。改善された線形性の精度は、エラー増幅器の電力要求の低減と、フィードフォワードループの位相、振幅及び遅延精度の緩和とをもたらす。
Patent JP-2011507586-A (JP)
Title: 補助的なデカップリング素子を備えたマルチチャネルｔｅｍコイル
IPC: A61B5/055
Filed: 2008-12-19
Abstract: 無線周波数コイル（３０）は、無線周波数スクリーン（３４）と、無線周波数スクリーンと結合された平行な細長い導電素子群（３６）によって形作られ、且つマルチチャネル無線周波数ドライバ（３２）と動作可能に接続されるように構成された複数の動作ＴＥＭ素子（３５）と、複数の補助的な細長い導電素子（４０、５０、６０、７０、８０ａ、８０ｂ）とを含んでいる。各補助的な細長い導電素子は、２つの隣接する動作ＴＥＭ素子に平行に、該２つの隣接する動作ＴＥＭ素子の間に配置され、且つ該２つの隣接する動作ＴＥＭ素子を実質的にデカップリングするように調整される。補助的な細長い導電素子は、各２つの隣接し合う動作ＴＥＭ素子の間に配置される。
Patent JP-2011508426-A (JP)
Title: 膜の選択形成における反応種の別々の注入
IPC: C23C16/04
Filed: 2008-10-22
Abstract: 膜の選択的なエピタキシャル形成のための方法および装置であって、ＣＶＤチャンバ（３００）へ、反応種（１０、２０）を別々に注入する。本方法は特に、前駆体（１０）およびエッチャント（２０）の揮発性の組合せを用いた選択成長に有用である。形成プロセスは、選択成長のための前駆体（１０）およびエッチャント（２０）の同時供給、または、周期的なブランケット堆積および選択的なエッチングの連続的な供給を含む。いずれに場合にも、前駆体（１０）およびエッチャント（２０）は、より制限された上流の場所よりもむしろ、比較的開いた反応スペース（３４０）において交差する別々の流路に沿って提供される。 【選択図】図２
Patent JP-2011519346-A (JP)
Title: アレナウイルス感染症の治療のための抗ウイルス薬
IPC: A61P31/14
Filed: 2009-01-14
Abstract: 特定の化合物を治療に有効な量で投与することによってウイルスの感染症を治療するための化合物、方法および医薬組成物が開示される。化合物を調製する方法並びに化合物およびその医薬組成物を使用する方法も開示される。詳細には、アレナウイルスファミリーによって引き起こされるものなどのウイルス感染症の治療及び予防が開示される。
Patent JP-2011510783-A (JP)
Title: 吸い込みアタッチメントのためのハンドグリップアセンブリ
IPC: A47L9/32
Filed: 2009-01-28
Abstract: 本発明は、吸い込みアタッチメント１、ハンドグリップアセンブリ及び真空掃除機に関する。吸い込みアタッチメントは、管アセンブリ、第１のハンドグリップ及び第２のハンドグリップをそれぞれ有し、第１及び第２のハンドグリップは共に、管アセンブリから延びる。これは、管アセンブリから離れた２つのハンドグリップ部分を提供し、それによって、その人間工学的な取り扱いを改善する。
Patent JP-2011512441-A (JP)
Title: シリコーンポリエーテルを含む熱硬化性組成物、その製造、および使用
IPC: C08L83/12
Filed: 2009-02-02
Abstract: ａ）少なくとも第１の熱硬化性樹脂と、ｂ）少なくとも１種のシリコーンポリエーテルと、ｃ）少なくとも１種の充填剤または繊維補強材とを含む熱硬化性組成物、このような熱硬化性組成物を作製する方法、および該組成物から作製された熱硬化生成物。
Patent JP-2011512919-A (JP)
Title: 溶液、好ましくは透析液の加熱方法および加熱装置
IPC: A61M1/28
Filed: 2009-02-27
Abstract: 本発明は、バッグにて提供される溶液、好ましくは透析液を、ヒータを備えたヒータシステムにおいて、２段階制御で加熱することで、所望の温度へと加熱するための方法および装置に関する。本発明によれば、ヒータの下側のスイッチオンの閾値を形成する温度、およびヒータの上側のスイッチオフの閾値を形成する温度が、変更される。 【選択図】図２
Patent JP-2011513267-A (JP)
Title: 活性成分の組み合わせおよびその使用
IPC: A61P31/10
Filed: 2009-02-18
Abstract: 本発明は、ａ）グリセロールモノアルキルエーテル、ｂ）ビスピリジニウムアルカン、ｃ）ポリオールおよびｄ）酸化防止剤を含んでなる活性成分の組み合わせに関する。前記組み合わせは、好ましくない体臭の治療のための製剤を製造するため、例えば、化粧品の消臭製剤、抗フケ作用を有する毛髪洗浄用組成物、傷ついた皮膚およびざ瘡の治療のための製剤、あるいは足および／または皮膚の真菌の治療のための製剤を製造するために、好都合に使用される。 【選択図】      なし
Patent JP-2012141040-A (JP)
Title: Sealing device
Inventor: SHINPO NORIYUKI
IPC: F16J15/06
Filed: 2011-01-05
Abstract: PROBLEM TO BE SOLVED: To provide a sealing device which can be easily assembled with a simplified configuration.SOLUTION: A plug tube seal 100 sealing an annular clearance between a plug tube 151 and a head cover 160 includes a seal body 110 with a substantially cylindrical part 112A and a sealing part 112B which is extended from one end of the substantially cylindrical part 112A to the plug tube 151 and is firmly attached to the outer peripheral surface of the plug tube 151 with the substantially cylindrical part 112A composed of a rubber-like elastic body, and a reinforcement ring 120 which is fitted into the inside of the substantially cylindrical part 112A from the other end of the substantially cylindrical part 112A and at least a part of the outer peripheral surface of the substantially cylindrical part 112A is firmly attached to the inner surface of the head cover 160.
Patent JP-2012073012-A (JP)
Title: Pellet combustion equipment
Inventor: KIM JINHO
IPC: F23B60/02
Filed: 2011-01-07
Abstract: PROBLEM TO BE SOLVED: To provide pellet combustion equipment which improves combustion efficiency of pellets.SOLUTION: The pellet combustion equipment includes: a supply pipe which supplies pellets into a combustion chamber; a supporting plate which is mounted horizontally in the combustion chamber and having a plurality of through holes formed thereon; a distributing unit including a distribution port which is arranged between the supply pipe and the supporting plate and houses the pellets dropped from the supply pipe in its inside and moves along the top of the supporting plate, with its underside spaced by a predetermined distance from the supporting plate; a channel having a plurality of nozzles formed in one face that is erected adjacent the supporting plate, being arranged along at least at one of both sides of the supporting plate; and a blast pipe which injects air under the supporting plate and into the channel.
Patent JP-2011167506-A (JP)
Title: Urine dryer and toilet facility equipped with the same
Inventor: NAKAMIYA TOSHIHIRO
IPC: A47K11/02
Filed: 2011-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a urine dryer capable of evaporating urine satisfactorily without using electricity while making efficient use of space, and a toilet facility equipped with the same.  <P>SOLUTION: A urine dryer 30 is provided with liquid holders 31 that are hung below a toilet seat 1 having a toilet bowl 2 as well as a toilet discharge port 3 facing down by communicating with the toilet bowl 2, 31 and are capable of absorbing and evaporating urine discharged from the toilet discharge port 3.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012145532-A (JP)
Title: Current sensor
Inventor: SAMEJIMA MASANORI
IPC: G01R15/20
Filed: 2011-01-14
Abstract: PROBLEM TO BE SOLVED: To provide a current sensor having so high versatility as to be able to be commonly used even if a device to which the current sensor is applied is changed.SOLUTION: A current sensor comprises a detector 24 and a holder part 25 which holds the detector 24 on a first face. The holder part 25, which has a projection part 28 contacting with a current line 22 at the side of a second face opposed to the first face and third and forth faces adjacent to the second face, comprises a housing part 27 for housing the current line 22 in its groove part constituted by the second, third and forth faces and a fixing part 26 which is connected to the housing part 27 and which is fixed to a place different from the current line 22.
Patent JP-2012151289-A (JP)
Title: Optical semiconductor mounting board, manufacturing method of the same and optical semiconductor device
Inventor: KOBAYASHI YOSHIAKI
IPC: H01L33/62
Filed: 2011-01-19
Abstract: PROBLEM TO BE SOLVED: To provide an optical semiconductor mounting board which can maintain a reflectance ratio in wavelengths of 400-800 nm which is a visible light region at 80% and over, and at the same time inhibit reduction in reflectance ratio by attenuating or extinguishing reflectance ratio absorption peak appearing at wavelengths of around 340-380 nm which is a near ultraviolet region.SOLUTION: A manufacturing method of an optical semiconductor mounting board comprises: forming a film of silver or a silver alloy on a conductive substrate 1 by a plating method, performing electrolytic treatment on a surface of the film, or preferably performing electrolytic treatment without exposing the film to ambient air to form a reflection layer 2 having surface roughness Sa of more than 2 nm and less than 50 nm measured by an atomic force microscope (AFM) in a field of view of 5×5 μm. It is preferable to perform electrolytic treatment without exposing the film to the ambient air after forming the film of silver or a silver alloy by the plating method on the conductive substrate.
Patent JP-2012148504-A (JP)
Title: Recorder
Inventor: FUKUMASU KEIICHIRO
IPC: B41J2/01
Filed: 2011-01-20
Abstract: PROBLEM TO BE SOLVED: To prevent the recording surface of a recording medium from being damaged due to the formation of curling in a strip member for suppressing the curl of the tip of the recording medium.SOLUTION: The recorder extends to both sides in the direction of the movement of a carriage 21 and has a strip member 3A which is laid so as to surround a support member 23 for supporting paper P, and the strip member 3A prevents a trouble of the paper from entering an unintended region and causing a jam. The strip member 3A is a belt shaped member obtained by connecting each of a plurality of plate pieces 4 through a rotation axis 5. Thereby, even if the strip member 3A is allowed to stand for a long period of time in the state where it is laid so as to form a curved portion, the curl is not formed in the plate piece 4 itself because the curved portion is formed by the rotation between the plurality of plate pieces 4, thus preventing the paper from being damaged.
Patent JP-2012153536-A (JP)
Title: Method of manufacturing strontium carbonate particle and strontium carbonate particle
Inventor: OGATA HIRONOBU
IPC: C01F11/18
Filed: 2011-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a minute strontium carbonate particle suitable for ceramics and thermistor application, and a method of efficiently manufacturing the particle industrially.SOLUTION: The method of manufacturing a strontium carbonate particle includes: a wet type reaction process of a strontium source and a carbonate source, wherein the reaction is performed in a reaction vessel having a stirring means by the stirring condition of 1.0×10kW/mto 1.0×10kW/mof a stirring input density.
Patent JP-2012156808-A (JP)
Title: Image transmission system and image reproducing device
Inventor: SATO TETSUYA
IPC: H04N5/91
Filed: 2011-01-26
Abstract: PROBLEM TO BE SOLVED: To provide an image transmission system capable of performing digest reproduction of image data even when transmission and reception of the image data have not yet completed, and of reproducing an important scene in the image data without being missed even when normal reproduction is being performed.SOLUTION: An image transmission system according to the present invention is constituted by a transmitting device and a reproducing device. The transmitting device comprises: a digest extracting section for extracting a preferential scene constituting a digest of image data from a plurality of scenes constituting the image data; and a transmitting section for dividing the image data into the plurality of scenes and transmitting the divided scenes. The transmitting section preferentially transmits the preferential scene rather than a non-preferential scene. The reproducing device comprises: a receiving section for receiving the image data having been divided into the plurality of scenes; and a reproducing section for reproducing the image data having been divided into the plurality of scenes. The reproducing section reproduces the preferential scene when it reproduces the digest of the image data.
Patent JP-2012152186-A (JP)
Title: Spinning reel
Inventor: WADA SHINICHIRO
IPC: A01K89/027
Filed: 2011-01-28
Abstract: PROBLEM TO BE SOLVED: To provide a spinning reel capable of securely preventing rotation and removal of an outer spool, capable of facilitating the replacement of the outer spool, and allowing the outer spool to freely rotate independently when necessary without detaching a dragging mechanism, etc.SOLUTION: The spinning reel includes: a ball 25 housed in a bottomed hole 24 disposed on the outer peripheral surface of an inner spool 9 and energized by an energizing means 26; a locking groove 28 in the axial direction disposed on the inner peripheral surface of the outer spool 10 for preventing the rotation of the outer spool 10 as the ball 25 is fitted in the groove; an annular groove 27 disposed on the inner peripheral surface of the outer spool 10 in such a way as to continue to the locking groove 28; and a cylindrical cap 21 detachably attached to the inner spool 9. Rotation of the outer spool 10 can be permitted by moving the cylindrical cap 21 and the outer spool 10 outward and slidably fitting the ball 25 detached from the locking groove 28 into the annular groove 27.
Patent JP-2012153865-A (JP)
Title: Method for manufacturing rubber composition for tire
Inventor: MIHARA SATOSHI
IPC: C08K3/36
Filed: 2011-01-28
Abstract: PROBLEM TO BE SOLVED: To provide a rubber composition for a tire suppressing viscosity rise of a compound and being excellent in processability.SOLUTION: A method for manufacturing a rubber composition for a tire includes a masterbatch manufacturing step of mixing 100 pts.wt. of one or two or more dienic rubbers having a 1,2-bond by a conjugated diene, 0.5 to 20 pts.wt. of a mercapto group-containing silane coupling agent, and 0.1 to 5.0 pts.wt. of an imidazole compound having an imidazole group to thereby manufacture a masterbatch containing substantially no silica, and a kneading step of adding at least a silica to the masterbatch and kneading the mixture.
Patent JP-2012157458-A (JP)
Title: Magnetic resonance imaging apparatus
Inventor: KANDA KENICHI
IPC: G01R33/48
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To provide reducing displacement of an area for detecting arrival of a contrast medium, and performing photography in proper timing.SOLUTION: An area-setting scan A is executed, and the area is set in a section while referring to an image displayed on a display screen. After setting the area, a baseline scan is executed, and a baseline BL of signal strength before the contrast medium arrives at the area and a threshold value TH for deciding whether or not the contrast medium has arrived at the area are determined. After the baseline scan B ends, a contrast medium arrival detection scan C for detecting whether or not the contrast medium has arrived at the area is executed, and if it is decided that the contrast medium has arrived at the area, it is determined that an actual scan D will be started.
Patent JP-2012158424-A (JP)
Title: Clearance adjustment device and conveying apparatus using the same
Inventor: OZAWA HIDEO
IPC: B65G51/03
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To enhance workability of clearance adjustment work between two members.SOLUTION: A leveling device 3 supports an air rail 2 on a base frame 1 and adjusts the height of the air rail 2 with respect to the base frame 1. The leveling device 3 includes: a disk spring group 31 which expands and contracts in the height direction of the air rail 2 with respect to the base frame 1; a columnar indenter 32 in which a first through-hole 324 for inserting a bolt 4 from one end surface 321 to the other end surface 323 is formed and a first edge part 322 is formed outward on the one end surface 321 side; a columnar spring guide 33 in which a second through-hole 334 for inserting the bolt 4 from one end surface 331 to the other end surface 333 is formed and a flange part 332 is formed outward on the one end surface 331 side; and a cylindrical housing 34 in which a second edge part 342 is formed inward in one opening 341.
Patent JP-2012159661-A (JP)
Title: Image forming apparatus
Inventor: IMAI TADASHI
IPC: G03G21/18
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of easily performing jamming disposal of a conveyed member and of suppressing the increase of the size of itself.SOLUTION: Each of process cartridges 19 for different colors which has a photosensitive drum 20 and is attachable to and detachable from a body casing 2 is respectively provided with a development side conveyance member 54 for conveying a sheet P, and the body casing 2 is provided in it with body side conveyance members 64 which oppose each of the development side conveyance members 54 from below and convey the sheet P in conjunction with each of the development side conveyance members 54. When the sheet P is jammed in between each of the development side conveyance members 54 and each of the body side conveyance members 64, each of the process cartridges 19 is moved away from the body casing 2 so that each of the development side conveyance members 54 and each of the body side conveyance members 64 are separated, and the jammed sheet P is removed.
Patent JP-2012161895-A (JP)
Title: Wrench having gear mechanism
Inventor: SENDA YOSHIHIRO
IPC: B25B17/00
Filed: 2011-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a wrench that can efficiently perform work at a point where the oscillation operation of the wrench, a spanner or the like is limited due to an obstacle or a narrow working space when fastening or loosening a bolt by using the wrench, the spanner or the like.SOLUTION: The wrench is provided with a head in which an angular drive for attaching a socket engaged with a bolt head is protruded from a body, a gear part composed of a gear row which is engaged with a gear of the head, and an input member having an angular hole at the other end of the gear part. A rachet mechanism for regulating the rotation direction from a handle side is engaged with the input member, and the center of the oscillation operation is moved to the input member in almost the center of the wrench by the bolt head by attaching a conventional ratchet wrench to the angular hole of the input member, thus enabling the operation of the attached conventional ratchet wrench.
Patent JP-2012166305-A (JP)
Title: Linear motion moving body
Inventor: FURUKAWA TOSHIHIKO
IPC: B23Q1/01
Filed: 2011-02-15
Abstract: PROBLEM TO BE SOLVED: To fit a protective reinforcing plate to a metal-made or alloy-made honeycomb core easily and firmly so that a linear motion moving body may not lose horizontal precision and durability.SOLUTION: A saddle 1 includes a honeycomb core 10 and upper and lower protective reinforcing plates 20. The honeycomb core 10 is formed of a plurality of honeycomb cells 10A of the same lengths. The honeycomb cell 10A is made of a metal or an alloy having a specific gravity smaller than that of steel. The protective reinforcing plate 20 is made from a carbon fiber-reinforced plastic and is fixed to the honeycomb core 10 by a bolt 30. A connection auxiliary plate 8 is arranged to straddle the honeycomb core 10. The bolt 30 is screwed with a nut 40 while interposing a plurality of space tubes 50 of the same lengths, each of which is arranged for surrounding a shaft 30B of the bolt 30 so that one end thereof is contacted with the lower surface of the connection auxiliary plate 8 and the other end thereof is contacted with the seat face 40A of the nut 40 and each of which has the strength equal to or higher than the tightening force of the bolt 30, between the bolt and the nut.
Patent JP-2012167629-A (JP)
Title: Hermetic type compressor
Inventor: NAKAJIMA YOSHIFUSA
IPC: F04B39/00
Filed: 2011-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a highly-efficient hermetic type compressor for achieving sliding loss reduction and abrasion resistance improvement of a collar part of a shaft which is operated to rotate.SOLUTION: A wave washer 121 is provided between a collar part 112 and a thrust surface 122, the wave washer 121 is formed so that its spring constant is larger in an area A on an opposite side to a compression chamber 116 with a shaft 110 as the border is larger than in an area B on the compression chamber 116 side, and is arranged to make contact also with the thrust surface 122, and a rotation restriction means 125 for restricting rotation with the thrust surface 122 is provided as the configuration. As a result, a sliding area of a sliding surface between the collar part 112 and the wave washer 121 can be reduced, the collar part 112 is not tilted, smooth rotation is assured, sliding performance is improved, and the highly-efficient hermetic type compressor can be obtained.
Patent JP-2012170015-A (JP)
Title: Calculation device, network system, calculation method, and calculation program
Inventor: TAKAHASHI YOSUKE
IPC: H04L12/56
Filed: 2011-02-16
Abstract: PROBLEM TO BE SOLVED: To reduce unnecessary data amount circulating among ISPs.SOLUTION: A calculation device related to an embodiment calculating charging amount charged between a first and a second providers providing an Internet connection service: calculates amount of unnecessary reception data which is data previously determined to be unnecessary between the first and the second providers among data which a first communication network provided by the first provider accepts from a second communication network provided by the second provider; and calculates charging amount charged the second provider by the first provider higher as the calculated amount of unnecessary reception data is greater.
Patent JP-2012167906-A (JP)
Title: Regenerator type refrigerating machine
Inventor: MORIE TAKAAKI
IPC: F25B9/14
Filed: 2011-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a regenerator type refrigerating machine capable of reducing the total sum of a thermal loss induced by movement of gas present in a gap between an outer circumference surface of a displacer and an inner circumference surface of a cylinder and a thermal loss induced by reciprocation of the displacer in the cylinder, and capable of suppressing a reduction in the refrigeration capacity.SOLUTION: The refrigerating machine includes: a cylinder 11; a displacer 13 which is disposed so as to be able to reciprocate along the cylinder 11 and forms an expansion space 21 at one end in the cylinder 11 and which includes a refrigerant gas flow path 23 formed therein; and a cold storage material 17 housed in the refrigerant gas flow path 23 and storing cold heat generating when the displacer 13 reciprocates. In the displacer 13, an outer diameter at a lower temperature end is larger than an outer diameter at a higher temperature end at a room temperature. A thermal contraction percentage of the displacer 13 when cooled from the room temperature to an operating temperature is larger than a thermal contraction percentage of the cylinder 11 when cooled from the room temperature to the operating temperature.
Patent JP-2012166176-A (JP)
Title: Gas-liquid separator
Inventor: FUJITA SATOYUKI
IPC: B01D50/00
Filed: 2011-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a gas-liquid separator in which gas-liquid separation efficiency is improved by causing a separated liquid to easily flow into a liquid storage chamber.SOLUTION: A revolving blade 12 is arranged in an annular space 11 formed from a body 1 and an exhaust pipe 10. An upper part of the revolving blade 12 is connected to an inlet 6. The upper part is connected through an inside hole of the exhaust pipe 10 to an outlet 7. A revolving chamber 14 is formed in a lower part of the annular space 11, a liquid storage chamber 15 is formed below the revolving chamber 14, and a lower part of the liquid storage chamber 15 is connected to a liquid drain port 8. A cylindrical filter 22 for fluid filtering with a plug 23 provided in a lower end part is arranged between the exhaust pipe 10 and the liquid storage chamber 15. A ring-shaped partitioning wall member 17 of which the inner periphery is fixed to the plug 23 by welding is arranged between an outer peripheral wall of the plug 23 and an inner peripheral wall of the body 1. The partitioning wall member 17 has four projections 18 in the outer periphery. and a liquid-passing gap 19 is formed between an outer edge of the partitioning wall member 17 between the projections 18 and the inner peripheral wall of the body 1. The plug 23 has a communication hole 24 for liquid passage which communicates the inside of the filter 22 and the liquid storage chamber 15.