baber/WOPTO huggingface dataset:
Patent JP-2008152035-A (JP)
Title: Lens holder, camera module and camera module assembling method
Inventor: IWAI YOSHIFUMI
IPC: H04N5/335
Filed: 2006-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lens holder which is compact and thin-walled and is capable of positional adjustment along the optical axis direction of an image sensor, to provide a camera module mounting the lens holder thereon, and to provide a camera module assembling method for assembling the camera module.  <P>SOLUTION: The camera module includes a package 20 mounting the image sensor 21 and a frame 30 which is disposed on the package 20 and is engaged with the lens holder 10, wherein the lens holder 10 includes a circular upper surface part 11 in which recesses 14H, 15H, 16H or protrusions are formed around a central through-hole 13 and a cylindrical lateral surface part 12 formed along the outside wall surface of the upper surface part 11. In the camera module assembling method, the lens holder 10 is rotated and screwed into the inner side of the frame 30 while engaging an adjusting fixture 50 with the recesses 14H, 15H, 16H or protrusions of the upper surface part 11. Thus, the position of the lens holder 10 in the optical axis direction of the image sensor 21 is adjusted.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008149586-A (JP)
Title: Laminated body for forming grafted film, grafted film, its forming method, graft pattern, and its forming method
Inventor: MATSUSHITA YASUAKI
IPC: B32B27/30
Filed: 2006-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a laminated body for forming a grafted film which can generate a grafted polymer with high sensibility and form the grafted film, the grafted film using the laminated body for forming the grafted film, its forming method, a graft pattern using the laminated body for forming the grafted film, and its forming method.  <P>SOLUTION: The laminated body for forming the grafted film comprises a base material capable of generating a radical by light and a polymer-containing layer which is provided on the base material and contains the polymer containing a structural unit represented by a formula (I). In the formula, R represents a hydrogen atom or a methyl group, X represents an oxygen atom or NH, Y represents an interactive property portion between side chains, and Z represents a (meta) acryloyl group or a (meta) acrylamide group.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008148961-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2006-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine having two rolling parts with different rates of feeding game balls into a specific receiving area, capable of preventing a player from losing amusement in apportionment of game balls into the rolling parts.  <P>SOLUTION: When game balls are not apportioned into a second rolling part, a liquid crystal display 55 is at a closed position in which the second rolling part can not be easily seen from the player's side. When game balls are apportioned into the second rolling part with a high rate of feeding game balls into the specific receiving area, the position of the liquid crystal display 55 is shifted to the opened position to make the player enjoy the game ball rolling presentation. Since the second rolling part is visible only when game balls are apportioned into the second rolling part in this way, the value in the apportionment of game balls into the second rolling part can be enhanced, and as a result, the player can be prevented from losing amusement in the apportionment of game balls into the rolling parts.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007089228-A (JP)
Title: Transmit diversity method and system
Inventor: HOTTINEN ARI
IPC: H04L1/16
Filed: 2006-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and system for transmit diversity or transmission beam generation, in which the feedback signaling resolution is increased without increasing the feedback signaling capacity.  <P>SOLUTION: Feedback information is derived from a response of at least one receiver to a transmission signal, and is fed back using multiplexed feedback signals. Alternatively, the weight information is determined at a transmitting element by filtering the feedback information and quantizing the filtered feedback information to a desired quantization constellation. Thus, multiple quantization constellations and combinations thereof and/or constellation specific feedback subchannels can be used for channel probing, so that the total feedback resolution can be enhanced, while maintaining low signaling information of a feedback channel.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008152664-A (JP)
Title: Backup system, primary accounting server apparatus, and backup method
Inventor: YOSHIDA HAJIME
IPC: B41J29/38
Filed: 2006-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a backup system, etc. always suitably controlling accounting for an image forming apparatus which is accounted from the outside.  <P>SOLUTION: In the backup system 100, a primary accounting server 3 stores alternative server information for identifying lightweight backup servers 4, 5, and in establishing connection with the image forming apparatus 1, notifies the image forming apparatus 1 of the alternative server information. Furthermore, the primary accounting server 3 transfers status information to the lightweight backup servers 4, 5.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007167655-A (JP)
Title: Application related to fiber-reinforced water-swelling item
Inventor: ZHANG KAI
IPC: A61L27/00
Filed: 2006-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water-swelling substance including polymeric fibers dispersed in water-swelling polymer, and a fiber-reinforced item manufactured of the water-swelling substance.  <P>SOLUTION: The fiber-reinforced water-swelling substance is prepared containing a plurality of cross-linked polymeric fibers dispersed in a water-swelling polymer. Using the water-swelling substance, a transplantable item is formed.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008154189-A (JP)
Title: Imaging apparatus and imaging method
Inventor: KONNO JOJIRO
IPC: H04N5/232
Filed: 2006-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To excellently perform automatic monitoring using a picked-up image.  <P>SOLUTION: When an image is picked up using a zoom lens which is variable in angle of field of imaging, a moving body is detected from an image signal obtained by imaging (step S11). A motion vector showing a movement quantity per unit time of the moving body detected through the moving body detection processing is detected (step S13) and compared with a reference value (step S15). On the basis of the comparison result, a field angle set value of the zoom lens is adjusted (steps S16, S17).  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008159281-A (JP)
Title: Gas removal filtering device of fuel cell
Inventor: NAKAGAKI NOBUHIKO
IPC: H01M8/06
Filed: 2006-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas removal filtering device for a fuel cell, capable of removing impure gases from intake air to the fuel cell with high efficiency, and suppressing a possibility of the pressure loss increase.  <P>SOLUTION: An intake passage of the fuel cell has a filter unit 36 for removing the impure gases in the intake air. The filter unit 36 has an upstream filter 37 and a downstream filter 38. The upstream filter 37 is larger in gas removal capacity than the downstream filter 38, whereas the downstream filter 38 is higher in gas removal efficiency than the upstream side filter 37.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008154689-A (JP)
Title: Game machine
Inventor: ISHIHARA NAOKI
IPC: A63F7/02
Filed: 2006-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine having superior practicality and versatility, settable into an optimal aucible state for each player without bothering players and employees.  <P>SOLUTION: This game machine includes: a position detecting means for detecting the position of a specific site of a player's body operating an operation part; a pointing control means for adjusting the direction of a speaker according to the position of the specific site specified by the position detecting means; a distance detection means detecting a distance between the position of the specific site specified by the position detection means, and the speaker; and a volume control means adjusting the volume of the speaker according to the distance detected by the distance detection means. That is, the direction and volume of the speaker are adjusted according to the position of the specific site of the player specified by the position detection means such as an infrared sensor and a digital camera, and the distance between the speaker detected by the distance detection means and the position of the specific site.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008160327-A (JP)
Title: Receiver and receiving method
Inventor: TODA KAZUYUKI
IPC: H04B1/26
Filed: 2006-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To improve phase noise blocking characteristics.  <P>SOLUTION: A receiver 100 mixes a local signal in radio frequency signals, creates an intermediate frequency signal and is provided with a control unit 117 which controls a level of the local signal, based on an RSSI (received signal strength indicator).  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008154744-A (JP)
Title: Power supply device and game machine
Inventor: KOBAYASHI MASAHIDE
IPC: A63F5/04
Filed: 2006-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To prevent fraudulence to a circuit element or the like, mounted on a substrate inside a power supply device and related to the put-out of tokens, setting of the rate of putting out tokens, turning on/off of the power supply, or resetting of errors, etc.  <P>SOLUTION: The substrate 351 of a power supply substrate unit 350, in which components, etc. for generating the electric power necessary for the operation of a slot machine are mounted, is housed and held in a cover body 360 with cover side panels 361 as a box body, and a control panel with control switches such as a power supply switch, a setting switch and a reset button for making the slot machine perform prescribed operation is attached to the front side of the box body. The front surface of the control panel is covered with an openable/closable cover panel, and the cover side panel 361 of the box body at least on the side in the vicinity of the inner surface of a casing 2 is corrugated with a plurality of inclined faces 361a so that the cover side panel 361 is not parallel to the inner surface of the casing 2.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008160560-A (JP)
Title: Image forming apparatus
Inventor: MORI YASUHIRO
IPC: G03G15/36
Filed: 2006-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of registering a desired mark without requiring a complicated operation.  <P>SOLUTION: The area of a mark included in an image shown by image data acquired by reading an original P by a scanner 12 is extracted on the basis of the density value of each pixel of the image, and image data of the extracted area of the mark is stored in an HDD 48 as the image data of the mark to be combined with an image to be formed.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007112810-A (JP)
Title: Method for producing oligosaccharide
Inventor: HATANAKA KENICHI
IPC: C08B37/00
Filed: 2006-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an oligosaccharide having a new structure and expected to be usable in medical field, etc., and provide a method for easily producing the oligosaccharide.  <P>SOLUTION: The method for the production of an oligosaccharide expressed by formula (2-3) comprises the debenzylation of an oligosaccharide expressed by formula (2-2). Particularly, the method for the production of an oligosaccharide expressed by formula (2-3) comprises the ring-opening polymerization of a ring-opening polymerizable monomer expressed by formula (1) to obtain an oligosaccharide expressed by formula (2-1), the conversion of the phthalimide group of the oligosaccharide expressed by formula (2-1) to acetamide group to produce an oligosaccharide expressed by formula (2-2), and the debenzylation of the oligosaccharide expressed by formula (2-2) to obtain the oligosaccharide expressed by formula (2-3). In the formulas, Bn is benzyl group and n is 5-7.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008161286-A (JP)
Title: Game machine
Inventor: ISHIOKA NAOTAKA
IPC: A63F7/02
Filed: 2006-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine having amusement in the behavior of a game ball in a ball inlet device.  <P>SOLUTION: The game machine includes the ball inlet device having a special guide device (26) for guiding the game ball to one of a normal area and a special area, and a guide device (25) for guiding the game ball to one of the normal area and the special guide device. The guide device (25) is provided with: a receiving rolling portion E having a normal rolling portion NT and a special rolling portion ST and provided with normal guide portions (NY1, NY2) for guiding the game ball to the normal area; a rotational conveying member (conveying roller 25m) provided with a normal attracting portion (25u) and a special attracting portion (25v); a normal ball receiving portion for receiving the game ball attracted by the normal attracting portion; a special ball receiving portion for receiving the game ball attracted by the special attracting portion; a returning guide portion N1 for guiding the game ball received at the normal ball receiving portion to the receiving rolling portion E; and a special guide portion S1 for guiding the game ball received at the special ball receiving portion to the special guide device 26.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008163581-A (JP)
Title: Rainwater discharge structure and rainwater reusing mechanism of building
Inventor: FUNAKI GANTAN
IPC: E04D13/068
Filed: 2006-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rainwater discharge structure and a rainwater reusing mechanism of a building which enable the sure collection of rainwater in the building, enable the smooth discharge of the rainwater, and also enable the rainwater to be reused as reclaimed water.  <P>SOLUTION: This rainwater discharge structure of the building is characterized by comprising a horizontal gutter 4 as an upsized eaves gutter or a valley gutter which is provided on the roof of the building, and a downpipe 1 which is connected to a lower portion of an opened water-conveyance portion 41 provided in the horizontal gutter 4.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008161310-A (JP)
Title: Game server and game system
Inventor: HOSOKAWA TETSUHISA
IPC: A63F5/04
Filed: 2006-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game server equipped with entertainment nature which is an unconventional technique, and a game system.  <P>SOLUTION: A game server 200 is connected with a plurality of game machines 1A-1E so that it can communicate with them. Then, the game server 200 has a controller 32 which decides symbols displayed on each game machine from a plurality of symbols when at least a part of the plurality of game machines 1A-1E change into a specific game status. The controller 32 makes at least a part of game machines 1A-1E to perform the payout of game values used for the game when a combination of symbols displayed on the plurality of game machines 1A-1E is a predetermined combination.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008163130-A (JP)
Title: Manufacturing method for aqueous emulsion and aqueous emulsion
Inventor: MIYAKE SHINICHI
IPC: C08F2/44
Filed: 2006-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water-based emulsion forming a rubber coating film with sufficient storage stability, less tackiness and excellent transparency having an excellent characteristic inherent to a butyl rubber such as a damping property and a gas barrier property.  <P>SOLUTION: In the manufacturing method for the aqueous emulsion, a (meth)acrylic monomer is added to a water-based butyl rubber emulsion (I) containing a butyl rubber particle, and after they are stirred and mixed, a water-based emulsion (II) is obtained by performing emulsion polymerization.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008166504-A (JP)
Title: Field-effect transistor and its manufacturing method
Inventor: SAKURAI HIROYUKI
IPC: H01L21/338
Filed: 2006-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a field-effect transistor and its manufacturing method in which contact resistances between an active layer, and a source electrode and a drain electrode are set to be small.  <P>SOLUTION: A field-effect transistor 10 comprises a substrate 11 of one kind selected from silicon carbide, silicon, and sapphire, a group III nitride semiconductor layer 12 which is provided on the substrate 11 and which comprises an active layer for supplying a carrier, a source electrode 13 and a drain electrode 14, which are provided separately on the semiconductor layer 12, which contain Ti, Ta, and Al, and which have ohmic contact nature to the semiconductor layer 12, and a gate electrode 15 provided between the source electrode 13 and the drain electrode 14 on the semiconductor layer 12.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007127128-A (JP)
Title: Control unit for internal combustion engine
Inventor: NAKAGAWA SHINJI
IPC: F02D41/02
Filed: 2006-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a control unit for an internal combustion engine which activates a three-way catalyst at an early stage and lessen deterioration of exhaust of HC, CO, NOx, or the like in an exhaust gas from the internal combustion engine on startup of it.  <P>SOLUTION: The control unit for the internal combustion engine is provided with the three-way catalyst and an HC adsorbent on an exhaust side. The control unit alternately controls a rich state and a lean state in the air/fuel ratio in order to quicken activation of the three-way catalyst, when the internal combustion engine is started.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2006520618-A (JP)
Title: 使い捨てティッシュ及びその製造装置
IPC: D21H27/00
Filed: 2004-03-22
Abstract: 使い捨てティッシュ及びその製造装置に関し、より詳しくは、一定の形状に圧縮され、携帯性と使い勝手がよく、衛生的に使用可能な使い捨てティッシュ及びその製造装置を提供する。 【課題】本考案に係る使い捨てティッシュは、レイヨン材質の不織布からなり、一定の形状の金型内に挿入されて圧縮成形されている。 また、本考案に係る使い捨てティッシュの製造装置は、シリンダ状であり、長手方向に貫通孔が設けられた成形ブッシュと、成形ブッシュの貫通孔の両端部が露出するように、成形ブッシュを支持するためのテーブルと、テーブルの上部に上下へ移動可能に設けられ、下方へ移動するときに、ブッシュの貫通孔に挿入するための加圧棒を有する上部プレスと、テーブルの下部に上下へ移動可能に設けられ、上方へ移動するときに、ブッシュの貫通孔に挿入するための支え棒を有する下部プレスと、を備える。
Patent JP-2006516919-A (JP)
Title: 針無し大量注射装置
IPC: A61M5/315
Filed: 2004-02-03
Abstract: 針無し注射装置は：ストライカチャネルと投与量室と噴射孔とを有するハウジングと；再装填位置と射出位置との間を投与量室内で移動可能な注射器プランジャと；再装填位置と射出位置との間をストライカチャネル内で移動可能なストライカと；ストライカに付与されるべきエネルギーを蓄えるためのばねと；被駆動部材と；係合部材であって、係合部材の被駆動部材との係合がばねにエネルギーを蓄積させ、また係合部材の被駆動部材からの離脱がばねに蓄積されたエネルギーのストライカへの付与を可能にして、ストライカを注射器プランジャに衝突させて噴射孔を通して投与量室から薬剤を噴出させるように、被駆動部材との係合位置と離脱位置との間で移動可能な係合部材と；を含む。
Patent JP-2006522076-A (JP)
IPC: A61P25/00
Filed: 2004-03-29
Abstract: Derivatives of imidazopyridine which have a good affinity for certain sub-types of melanocortin receptors, in particular MC4 receptors and are useful for treating pathological states and diseases in which one or more melanocortin receptors are involved and pharmaceutical compositions containing said products.
Patent JP-2006525314-A (JP)
IPC: C08F4/642
Filed: 2004-03-23
Abstract: Group 4 metal complexes useful as addition polymerization catalysts of the formula: wherein G<SUP>1 </SUP>is a group containing from 1 to 40 atoms not counting hydrogen; T is a divalent bridging group of from 10 to 30 atoms not counting hydrogen, selected from mono- or di-aryl-substituted methylene or silylene groups or mono- or di-heteroaryl-substituted methylene or silylene groups, wherein at least one such aryl- or heteroaryl-substituent is substituted in one or both ortho-positions with a secondary or tertiary alkyl-group, a secondary or tertiary heteroalkyl group, a cycloalkyl group, or a heterocycloalkyl group, G<SUP>2 </SUP>is a C<SUB>6-20 </SUB>heteroaryl group containing Lewis base functionality, M is the Group 4 metal, X'''' is an anionic, neutral or dianionic ligand group, x'''' is a number from 0 to 5, and bonds, optional bonds and electron donative interactions are represented by lines, dotted lines and arrows respectively.
Patent JP-2006526344-A (JP)
Title: 中央制御機器と少なくとも１つのローカルデータ処理機器のデータ処理機器インターフェースとの間のデータ線路上でのデータ伝送方法及び装置
IPC: H04L69/40
Filed: 2004-04-16
Abstract: 本発明は、中央制御機器（ＥＣＵ）が、データパケット（ＤＰ）の要求のためにデータ線路（ＰＤＬ）を介して周期的に同期パルス（Ｓｙｎｃ）をデータ処理機器インターフェース（６１，６２）に送出し、それに対してローカルデータ処理機器（Ｓ１，Ｓ２）はデータパケット（ＤＰ）を中央制御機器（ＥＣＵ）に送信する、中央制御機器（ＥＣＵ）と少なくとも１つのローカルデータ処理機器（Ｓ１，Ｓ２）のデータ処理機器インターフェース（６１，６２）との間のデータ線路（ＰＤＬ）上でデータを伝送するための方法及び装置に関する。本発明によれば、ローカルデータ処理機器（Ｓ１，Ｓ２）が同期パルスの後で第１のデータパケット（ＤＰ）の伝送前に電気的な放電パルス（Ｄｉｓ）を生成し、これによって同期パルス（Ｓｙｎｃ）によるデータ処理機器インターフェース（６１，６２）の充電に対処する。
Patent JP-2006519255-A (JP)
Title: １７α−アセトキシ−１１β−（４−Ｎ，Ｎ−ジメチルアミノフェニル）−１９−ノルプレグナ−４，９−ジエン−３，２０−ジオンの製造方法、その中間体及びそのような中間体の製造方法
IPC: C07J21/00
Filed: 2004-02-13
Abstract: 結晶及び無定形形態の、式Ｉの19-ノルプロゲステロン及びその中間体の製造方法。 【化１】
Patent JP-2006523897-A (JP)
Title: 可変容量ポンプ用定バイパス流量調節器
IPC: F02M37/04
Filed: 2004-04-13
Abstract: 可変容量ポンプを制御する燃料計量ユニット。燃料計量ユニットは可変容量ポンプの吐出量を計量するため可変容量ポンプと流体連通している主計量弁と、戻り燃料流を生成するため主計量弁と流体連通している圧力調節器と、再循環で発生する熱を最小に保つため可変容量ポンプの吐出量を設定することで、戻り燃料流が低レベルで実質的に一定に維持されるように、戻り燃料量を調節する、圧力調節器と可変容量ポンプとに流体連通している調節弁とを備える。
Patent JP-2007516597-A (JP)
IPC: H05B44/00
Filed: 2004-06-28
Abstract: The invention relates to a device for lighting at least one light emitting diode to be supplied with predefined minimum forward voltage and maximum current. It comprises: -voltage supply means for supplying voltage to the light emitting diode, -a pulse generator for generating a cyclic pulse signal having predefined on-times and off-times, -a switch, controlled by the pulse generator to be turned on during said on-times to short-circuit the light emitting diode and turned off during said off-times, -an inductive device for increasing the forward voltage over the light emitting diode when the switch is turned off, so that said forward voltage gets higher that the minimum forward voltage and for decreasing said forward voltage when the switch is turned on, so that the current through the light emitting diode remains below the maximum current.
Patent JP-2007500156-A (JP)
Title: 炎症性プロセスの治療におけるキナゾリンチロシンキナーゼ阻害剤の使用
IPC: A61P29/00
Filed: 2004-07-22
Abstract: 本発明は、気道又は肺の疾患、さらに炎症性疾患の予防又は治療のための薬剤の製造における、キナゾリン、その互変異性体、立体異性体及び塩、特に無機又は有機の酸又は塩基とのこれらの生理学的に適合できる塩の使用に関するものである。
Patent JP-2007504892-A (JP)
IPC: G02B7/02
Filed: 2004-08-30
Abstract: A lens assembly and method for manufacture. The lens assembly includes at least one lens element, with multiple sawn planar faces formed parallel to an optical axis and spaced equidistantly from the optical axis so the lens element has a polygonal cross section. Each lens element has a centered, rotationally symmetric characteristic so the overall assembly has a corresponding characteristic. The manufacture includes the step of utilizing oversized conventional cylindrical lens elements and other optical elements formed into lens systems. The faces are sawn to reduce the overall size. A circumscribing sheath provides a segmental lumen along each face.
Patent JP-2007507645-A (JP)
IPC: F02M51/06
Filed: 2004-04-07
Abstract: An electrically operated injector (1) for feeding a gaseous fuel to a cylinder of an internal combustion engine, in particular for a motor vehicle, includes an electromagnetic actuator (2) acting on a mechanical interceptor member (3) arranged to free or intercept a passage (4) for the fuel from a feed conduit (61) to a delivery conduit (5) connected to an outlet (6), between the delivery conduit (5) and the interceptor member (3) there being positioned a seal element (40). This latter is carried by the interceptor member (3) and has a shape tapering towards the delivery conduit (5) in order to effectively intercept the fuel gas passage (4) and minimize the area of impact with an annular end portion (43) of the delivery conduit (5).