baber/WOPTO huggingface dataset:
Patent JP-WO2020209321-A1 (JP)
Title: かしめアセンブリの製造方法、ハブユニット軸受の製造方法、かしめ装置、かしめアセンブリ、及び車両の製造方法
IPC: B21D39/00
Filed: 2020-04-09
Abstract: ハブ本体（２１）の円筒部（２５）の円周方向一部に、径方向に関して外側に向いた加工力を加えつつ、加工力を加える位置を、円筒部（２５）の円周方向に関して連続的に変化させる。かしめ部中間体（４１）の円周方向一部に、径方向に関して内側に向いた加工力を加えつつ、加工力を加える位置を、かしめ部中間体（４１）の円周方向に関して連続的に変化させる。
Patent WO-2021145294-A1 (WO)
Title: Connection terminal
Inventor: SAKAI TOSHIRO
IPC: C22F1/08
Filed: 2021-01-12
Abstract: Provided is a connection terminal comprising a base material of a copper alloy that contains, in mass percentages, 21% ≤ Zn ≤ 27%, 0.6% ≤ Sn ≤ 0.9%, 2.5% ≤ Ni ≤ 3.7%, and 0.01% ≤ P ≤ 0.03%, and containing Cu and unavoidable impurities as the remainder thereof, and that has a 0.2% proof stress of 620-700 MPa and a conductivity of 15-20% IASC.
Patent WO-2021181885-A1 (WO)
Inventor: QI HUA
IPC: G02C7/06
Filed: 2021-01-18
Abstract: Provided are a spectacle lens and technology related thereto. This spectacle lens is provided with: a base region where a light flux entering from a surface on the object side is emitted from a surface on the eyeball side and converged through an eye at a position A on a retina; and a plurality of defocus regions brought into contact with the base region and having characteristics in which the light flux passing through at least some of the defocus regions enters the position A as divergent light. In the defocus regions, refracting power increases in a direction from the center toward the peripheral part.
Patent WO-2021220589-A1 (WO)
Title: インクデータの修正方法、情報処理装置、及びプログラム
Inventor: DODOV LACHEZAR SACHOV
IPC: G06F40/232
Filed: 2021-02-18
Abstract: 【課題】手書き文字列のスペルミスを含むインクデータを自動的に修正できるようにする。 【解決手段】本発明によるインクデータの修正方法は、インクデータによって表される手書き文字列に含まれるスペルミスの検出を行うことにより、インクデータの修正方法を決定するステップＳ２～Ｓ８と、決定した修正方法に基づいてインクデータを操作することにより、インクデータを修正するステップＳ１０～Ｓ１２とを含む。
Patent WO-2021187059-A1 (WO)
Title: Driver circuit and power converter
Inventor: AOYAMA SHUHEI
IPC: H02M1/00
Filed: 2021-02-26
Abstract: A driver circuit (12) comprises: an input terminal (41) for receiving an external command voltage (Vp); a feedback input terminal (44) for receiving a back electromotive force (Vb); a converter circuit (100) for converting the back electromotive force (Vb) into a feedback voltage (Vfb); an adding circuit (60); and a control circuit (103). The adding circuit (60) receives the external command voltage (Vp) and the feedback voltage (Vfb), adds up the external command voltage (Vp) and the feedback voltage (Vfb), and outputs a resultant addition voltage (Vad) to a gate terminal (21). In this configuration, the converter circuit (100) changes a gain, which is the ratio of the feedback voltage (Vfb) to the back electromotive force (Vb), depending upon whether a switching element (11) is turned on or off.
Patent WO-2022190326-A1 (WO)
Title: Inference analysis device, inference device, inference analysis method, and computer-readable recording medium
Inventor: KIMURA DAICHI
IPC: G06N5/04
Filed: 2021-03-11
Abstract: An inference analysis device 10 is provided with: a hypothetical logical expression specification unit 11 which, when one of the hypothetical logical expressions constituting a hypothesis is specified, receives the specified hypothetical logical expression, said hypothesis having been generated by inference that applies inferential knowledge to observation logical expressions; a knowledge extraction unit 12 which extracts, from the inferential knowledge, inferential knowledge, the consequent of which includes the specified hypothetical logical expression; and an observation logical expression extraction unit 13 which identifies, from among the observation logical expressions, a logical expression included in the antecedent of the extracted inferential knowledge, and extracts an observation logical expression having the same predicate as the identified logical expression.
Patent WO-2021187530-A1 (WO)
Title: High strength gel
Inventor: KANO Shu
IPC: C08F2/44
Filed: 2021-03-17
Abstract: Provided is a gel material having an interpenetrating network structure comprising a first network structure (A) and a second network structure (B) formed inside the first network structure (A). The first network structure (A) is derived from at least a first monomer (a1). The second network structure (B) is derived from at least a second monomer (b1). The first monomer (a1) is an anionic unsaturated monomer and/or a cationic unsaturated monomer. The second monomer (b1) is an electrically neutral monofunctional unsaturated monomer having a polyalkylene glycol structure represented by formula (1). The molecular weight of the second monomer is more than 300. The second network structure (B) is formed from a component containing the second monomer (b1) and a crosslinking agent (b2). The gel material exhibits high strength, can maintain flexibility, and a solvent in the inner part of the gel material is unlikely to freeze even at low temperatures.
Patent WO-2021193788-A1 (WO)
Inventor: TAMURA MASAHIDE
IPC: G10K9/122
Filed: 2021-03-25
Abstract: Provided is a piezoelectric acoustic component with which the sound pressure difference between a first resonant frequency and an intermediate resonant frequency and the sound pressure difference between the intermediate resonant frequency and a third resonant frequency can be reduced, and furthermore with which a sound pressure of at least 80 dB can be obtained and a frequency range can, to a certain degree, be arbitrarily changed. A first and a second protruding part 14 A and 14 B, which protrude in a direction that follows an outer circumferential part of a circular piezoelectric element 15 and is separated from a first virtual line PL1 along a second virtual line PL2, are formed on a pair of long sides 13 Aa and 13 Ab of a non-fixed portion 13 of a piezoelectric acoustic element. In addition, a first and a second recessed part 14 Ca and 14 Cd and a third and a fourth recessed part 14 Cc and 14 Cb, which protrude toward the first virtual line PL1, are formed adjacent to the first and the second protruding parts 14 A, 14 B on the pair of long sides 13 Aa and 13 Ab of the non-fixed portion 13.
Patent WO-2021200826-A1 (WO)
Title: 化合物
Inventor: ASATSU YUJI
IPC: C07C255/46
Filed: 2021-03-29
Abstract: ［課題］波長４４０ｎｍ付近の光を十分に吸収し、かつ、耐候性の高い新規化合物を提供する。 ［解決手段］式（Ｘ）で表される部分構造を有するアニオンを含む化合物。 ［式（Ｘ）中、環Ｗ １ は、少なくとも一つの置換基を有する環構造を表す。環Ｗ １ は、炭素数５～７の環であることが好ましい。］。
Patent WO-2021200852-A1 (WO)
Title: 熱可塑性樹脂との相溶性に優れた重合体
Inventor: NOMURA AKIHISA
IPC: C08L81/02
Filed: 2021-03-29
Abstract: 本発明の目的は、熱可塑性樹脂との相溶性に優れた重合体を提供することにある。　本発明は、主として下記式（１）、（２）および（３）で表される単位を含み、（単位（１）～（３）において、Ｘは、ベンゼン環を有する繰り返し単位であり、単位（２）において、－ＣＨ３は、Ｘのベンゼン環の水素原子に置換したメチル基で、ｍは置換した数を表し１～６の整数であり、単位（３）は、単位（２）の－ＣＨ３の水素原子がカルボン酸もしくはその無水物由来の置換基"Ｚ"で置換した単位であり、ｎは置換した数を表し１～６の整数であり、ｌ＋ｎ＝ｍであり、単位（３）は、ｎが１、２、３、４、５または６である単位、若しくはこれらの組み合わせから構成される単位である。）　単位（１）、（２）および（３）の合計モル数を１００モルとしたとき、単位（１）のモル数は０～９５モルであり、単位（２）のモル数は０～５０モルであり、単位（３）のモル数は、２～８０モルである重合体（Ｂ）である。
Patent WO-2021201180-A1 (WO)
Inventor: SAI YUSUKE
IPC: H04R7/02
Filed: 2021-03-31
Abstract: In a vibration plate 1 for an electro-acoustic converter configured by a paper substrate 10 having, as a main component, cellulose fibers 20, the total mass of dyed particles 21 included in a first surface-side region 12, which is a region having a prescribed thickness from a first surface of the paper substrate 10, is greater than the total mass of the dyed particles 21 included in a second surface-side region 14, which is a region having a prescribed thickness from a second surface that is a surface opposite the first surface of the paper substrate 10.
Patent WO-2021193981-A1 (WO)
Inventor: MATSUSAKI MICHIYA
IPC: C12N5/071
Filed: 2021-03-25
Abstract: [Problem] To provide a supporting bath useful for three-dimensional tissue culture and a method for producing cultured three-dimensional tissue by using the supporting bath. [Solution] Use of a supporting bath for three-dimensional tissue culture, that comprises polymer and water, wherein a thixotropic gel is formed in the bath with the gel being dissolvable in solvent. Also, use of a method for producing the supporting bath.
Patent WO-2022009520-A1 (WO)
Title: Rotation sensor
Inventor: IINUMA SHOHEI
IPC: G01P3/42
Filed: 2021-05-13
Abstract: A rotation sensor comprising a power line, a detection line, a sensor unit, and a switch, wherein the sensor unit has a power supply voltage applied thereto via the power line and the switch has an ON-voltage applied thereto via the power line and is connected to the detection line.
Patent WO-2021246140-A1 (WO)
Inventor: KOBAYASHI Yuto
IPC: B60R21/207
Filed: 2021-05-17
Abstract: [Problem] To provide: a vehicle airbag device through which a stud bolt used for attachment and fixing to a vehicle body can be inserted while a sewing portion is avoided and in which unequal stresses are not applied to panel parts at the time of deployment and inflation; and a manufacturing method therefor. [Solution] The present invention includes: a pair of panel parts 2a, 2b that are made to face each other by being folded or overlaid; a pair of extension sections 3a, 3b that are provided integrally with the pair of panel parts in such a form as to protrude outward from these individual panel parts; an overlaid section 10 that is formed by overlaying the extension section of one of the panel parts on the other panel part, overlaying the extension section of the other panel part on the one panel part, and joining the respective extension sections to the respective panel parts at sewing portions S1 extending along edge portions 9 of the extension sections; an outer-circumferential sewing portion at which outer-circumferential edge portions 11 of the pair of panel parts, which are made to face each other, are joined, whereby a hollow bag body is formed; and an inflator insertion hole 4 and a bolt insertion hole 5 that are provided so as to penetrate the overlaid section.
Patent WO-2022014167-A1 (WO)
Title: Single surface polishing device, single surface polishing method, and polishing pad
Inventor: UENO JUNICHI
IPC: B24B37/24
Filed: 2021-05-24
Abstract: The present invention is a single surface polishing device comprising: a base surface plate which includes grooves for vacuum suction; a detachable polishing surface plate which is fixed through the vacuum suction; a polishing pad; and a polishing head which holds a wafer, wherein the surface of the wafer held by the polishing head is brought into sliding contact with the polishing pad and is polished. The polishing pad is formed by sequentially laminating a polishing layer which polishes the surface of the wafer, a first adhesive layer, a PET sheet layer, a second adhesive layer, an elastic layer, and a third adhesive layer which is used for attachment to the polishing surface plate. The compressibility of the polishing pad is higher than or equal to 16%. As a result, there is provided the single surface polishing device capable of suppressing deterioration of NT quality of the wafer after polishing in single surface polishing (particularly single surface polishing which uses the detachable polishing surface plate of the vacuum suction type) of the wafer.
Patent WO-2021261165-A1 (WO)
Title: 音響信号処理装置、音響信号処理方法およびプログラム
Inventor: TSUCHIYA SHINPEI
IPC: G10K11/178
Filed: 2021-05-27
Abstract: 複数のマイク毎に設けられ、マイクからの入力音声信号に基づいてノイズをキャンセルするための信号を生成するノイズキャンセル処理部と、外部入力信号を処理するデジタルフィルタを有する音響信号処理装置である。　図７
Patent WO-2022249406-A1 (WO)
Title: Dispositif de détermination d'état, procédé de détermination d'état et programme
Inventor: ITO TATSUAKI
IPC: A61G5/00
Filed: 2021-05-27
Abstract: Un dispositif de détermination d'état (3) selon la présente divulgation est équipé : d'une unité de détermination de déplacement (33) servant à déterminer l'état de déplacement indiquant si oui ou non un fauteuil roulant (1) se déplace sur la base d'informations de déplacement, qui sont des informations concernant le déplacement du fauteuil roulant (1) ; d'une unité de détermination d'actionnement (34) servant à déterminer l'état d'actionnement indiquant si oui ou non un utilisateur de fauteuil roulant qui utilise le fauteuil roulant (1) actionne le fauteuil roulant (1), sur la base d'informations de contact qui révèlent un contact entre un être humain et une unité d'actionnement (12) servant à actionner le fauteuil roulant (1) ; et d'une unité de communication d'état (35) servant à communiquer les informations d'état sur la base de la détermination concernant l'état de déplacement et l'état d'actionnement.
Patent WO-2021251198-A1 (WO)
Title: Seasoning extraction implement
Inventor: TANAKA KUNIHIKO
IPC: A47G23/00
Filed: 2021-05-31
Abstract: [Problem] There has conventionally been a problem in that, in order to apply seasoning to a dish, each user must touch a seasoning container directly with bare hands. [Solution] The present invention enables seasoning to be discharged onto tableware from a seasoning container without directly touching the container, by means of a seasoning extraction implement 1 having a simple configuration provided with a support member 31 supporting a portion of a seasoning container 81, and a movable member 51 that includes a contacting portion 53 with which tableware 3 comes into contact, and that is capable of sliding or rotating relative to the support member 31, wherein the configuration is such that, concomitant with sliding or rotation of the movable member 51 relative to the support member 31 as a result of the tableware 3 coming into contact with the contacting portion 53, a pressure difference between the inside and the outside of the container is utilized to extract the seasoning in the container onto the tableware 3 from a supply port 91 connected to the container 81.
Patent WO-2021251271-A1 (WO)
Title: Cell with suppressed expression of mhc class i
Inventor: INAGAKI TAKUYA
IPC: A61K35/28
Filed: 2021-06-03
Abstract: A cell which is derived from a mammal, said mammal having abilities to express proteins TAP1, TAP2 and tapasin, and which has been subjected to a treatment for lowering the abilities to express the proteins TAP1 and/or TAP2 and tapasin each to 20% or less relative to the wild type and/or a treatment for lowering the functions of TAP1 and/or TAP2 and tapasin each to 20% or less relative to the wild type. The present invention solves the problem that the expression of MHC class I sometimes remains even after eliminating the expression ability of one of TAP1, TAP2 and tapasin in mammalian cells, said problem having been unknown hitherto. As a result, the present invention prevents engraftment properties and action period from worsening caused by immune rejection of an administered cell and allows a transplanted tissue or cell to exert sufficient therapeutic effect in the fields of regenerative medicine and cell pharmaceuticals.
Patent WO-2021261262-A1 (WO)
Inventor: SEKINE MASAAKI
IPC: H01L27/32
Filed: 2021-06-10
Abstract: This display device has a plurality of light emitting element units each including a first light emitting element (10 1 ), a second light emitting element (10 2 ), and a third light emitting element (10 3 ), wherein: in each light emitting element unit, a first base part (35 1 ) having a thickness TB 1  and a first lens part (51 1 ) having a thickness TL 1  are provided on the first light emitting unit (30 1 ) that emits light having a first color, a second base part (35 2 ) having a thickness TB 2  and a second lens part (51 2 ) having a thickness TL 2  are provided on the second light emitting unit (30 2 ) that emits light having a second color, and a third base part (35 3 ) having a thickness TB 3  and a third lens part 51 3  having a thickness TL 3  are provided on the third light emitting unit (30 3 ) that emits light having a third color; and (TL 3 +TB 3 )≤(TL 2 +TB 2 )<(TL 1 +TB 1 ) [except when a value of TB 3 , a value of TB 2  and a value of TB 1  are the same] is satisfied.
Patent WO-2022019021-A1 (WO)
Title: Cyclic phosphazene compound having oxaphosphorin ring-containing structure
Inventor: TADA YUJI
IPC: C08G79/025
Filed: 2021-06-19
Abstract: In the present invention, a novel phosphazene compound represented by formula (1), which is useful as a flame retardant for resin materials, can achieve favorable dielectric properties in addition to being able to increase flame retardancy and suppress deterioration of physical properties in resin materials. In formula (1), n is an integer between 3 and 8. R 1  and R 2  are: (i) each independently an alkyl group or alkoxy group having 1-8 carbon atoms, which may be substituted with a nitro group, an alkyl group having 1-6 carbon atoms or an aryl group, or an aryl group or aryloxy group having 6-20 carbon atoms, which may be substituted with an alkyl group having 1-6 carbon atoms or an aryl group; or (ii) form a saturated or unsaturated cyclic structure that may be substituted with an alkyl group having 1-6 carbon atoms or a carbonyl group. a and b are each independently an integer between 0 and 4. The type of each repeating oxaphosphorin ring-containing structure is independent.
Patent WO-2022044523-A1 (WO)
Inventor: AJIMA MASAAKI
IPC: F28F1/32
Filed: 2021-06-25
Abstract: 熱交換性能を維持しながら、熱交換空気の圧力損失を低下させること。フィンチューブ熱交換器（１）は、熱交換空気の流通方向と交差する第１の方向に所定ピッチ（Ｐ１）で複数の伝熱管が並べて配置されたチューブ列（２２）を備える。第１の方向と交差する第２の方向に複数のチューブ列が所定間隔（Ｐ２）を空けて配置されている。所定のチューブ列は、第２の方向で隣り合う他のチューブ列に対して第１の方向にずれて配置されている。熱交換空気の流通方向からみて、所定のチューブ列の伝熱管は、隣接する他のチューブ列の伝熱管側に偏って配置されている。
Patent WO-2023276142-A1 (WO)
Inventor: HASHIMOTO JUNKO
IPC: G09C1/00
Filed: 2021-07-02
Abstract: 秘密等結合装置は、複数個のキーを持つ第１テーブルの秘匿情報である第１秘匿化テーブルと複数個のキーを持つ第２テーブルの秘匿情報である第２秘匿化テーブルを入力とし、秘密計算によって、第１テーブルにサブキー列を追加した第１追加テーブルの秘匿情報である第１秘匿化追加テーブルを得、第２テーブルの各レコードを複数回複製して追加した第３テーブルにさらにサブキー列を追加した第２追加テーブルの秘匿情報である第２秘匿化追加テーブルを得、キーとサブキーとの組をキー属性とし、第１追加テーブルと第２追加テーブルとを等結合した結合テーブルの秘匿情報である秘匿化結合テーブルを得る。
Patent WO-2022044620-A1 (WO)
Inventor: TSUTSUMI SHOHEI
IPC: F24F1/028
Filed: 2021-07-19
Abstract: A first air passage (P10) and a second air passage (P20) are formed in a casing (20). A first fan (31) and a first heat exchanger (41) are provided in the first air passage (P10). A second fan (32) and a second heat exchanger (42) are provided in the second air passage (P20). One of the first heat exchanger (41) and the second heat exchanger (42) serves as an evaporator, and the other of the first heat exchanger (41) and the second heat exchanger (42) serves as a condenser. At least one of the first air passage (P10) and the second air passage (P20) is provided with a filter (50) for capturing viruses in the air.
Patent WO-2022176233-A1 (WO)
Inventor: NISHITANI SATOSHI
IPC: H01M4/06
Filed: 2021-08-03
Abstract: This lithium primary battery is provided with a positive electrode, a negative electrode and a nonaqueous electrolyte solution; the positive electrode contains a positive electrode mixture that contains manganese dioxide; the negative electrode contains at least one of lithium metal and a lithium alloy; the nonaqueous electrolyte solution contains an isocyanate compound (a first component), and at least one of a cyclic imide compound and a phthalic acid ester compound (a second component); and the concentration of the isocyanate compound in the nonaqueous electrolyte solution is 5% by mass or less.
Patent WO-2022050260-A1 (WO)
Title: Elastic wave device
Inventor: DAIMON KATSUYA
IPC: H03H9/25
Filed: 2021-08-31
Abstract: Provided is an elastic wave device capable of suppressing an out-of-band spurious.　An elastic wave device 1 comprises a support substrate 2, a piezoelectric film 5 provided on the support substrate 2, and an IDT electrode 6 provided on the piezoelectric film 5. The film thickness of the piezoelectric film 5 is less than or equal to 1λ, where λ is the wavelength of an elastic wave determined by the period of the electrode fingers of the IDT electrode 6. The piezoelectric film 5 has a first region 5a and a second region 5b in the thickness direction of the piezoelectric film 5, wherein a first density which is the density of the first region 5a is different from a second density which is the density of the second region 5b.
Patent WO-2022050266-A1 (WO)
Title: Endoscope component molding method and endoscope
Inventor: HARADA TAKASHI
IPC: G02B23/24
Filed: 2021-08-31
Abstract: Provided are an endoscope component molding method with which it is possible to prevent a molding material from flowing out while an endoscope component and a twisted wire are molded integrally; and an endoscope. This endoscope component molding method comprises: a step for forming, at one end of a twisted wire (40), a covering part (150) which has a gap filling member (152) for filling gaps formed among a plurality of strands (40a); a step for inserting and placing the one end of the twisted wire (40) into a cavity (106) of a mold (100) such that the covering part (150) is positioned at a boundary portion between the inside and the outside of the endoscope component; a step for injecting and filling into the cavity (106) a molding material (108), which is a material for the endoscope component, and integrally molding the endoscope component and the twisted wire (40); and a step for extracting from the mold (100) the endoscope component molded integrally with the twisted wire (40).
Patent WO-2023032082-A1 (WO)
Title: Quantum key distribution system, quantum key distribution method, and quantum key distribution program
Inventor: TANIGUCHI ATSUSHI
IPC: H04L9/08
Filed: 2021-09-01
Abstract: A transmission device (1) includes a modulation unit (14) that modulates photons with a predetermined data pattern, a synchronization signal generation unit (12) that generates a frame synchronization signal with a random data pattern, an identification signal generation unit (13) that divides a frame into multiple subframes and generates subframe identification signals indicating the subframes, and a transmission unit (17) that transmits the photons modulated by the modulation unit (14), the frame synchronization signal, and the subframe identification signals. A reception device (2) includes a reception unit (30) that receives the photons, the frame synchronization signal, and the subframe identification signals transmitted from the transmission unit (17), a decoding unit (21) that detects and decodes the data pattern from the photons, a time measuring unit (26) that measures an elapsed time from the subframe identification signal to the detection of the photons in each subframe, and a detection time calculation unit (27) that calculates, on the basis of the elapsed time, a photon detection time from the frame synchronization signal to the detection of the photons in one frame.
Patent WO-2022080076-A1 (WO)
Title: Roller bearing
Inventor: ASAI YUSUKE
IPC: F16C33/78
Filed: 2021-09-15
Abstract: In the present invention, grease to which an ionic liquid is added is enclosed in an annular space 2 formed between an inner ring 11 and an outer ring 21, and hydrogenated nitrile rubber (HNBR) is used as the material of a sealing part 41 of a sealing member 31, to form an electrically conductive high-speed roller bearing 1. Due to this configuration, swelling of the sealing part 41 due to the grease to which the ionic liquid was added is mitigated, and thus, anomalous abrasion and the formation of cracks in a first lip section 47 and a second lip section 48 resulting from high-temperature-and-high-speed rotation are mitigated, thereby mitigating the shortening of the lifespan of the electrically conductive high-speed roller bearing 1.
Patent WO-2022059705-A1 (WO)
Inventor: KAMIYA DAISUKE
IPC: C08L25/04
Filed: 2021-09-15
Abstract: ナノセルロースと、エチレン性不飽和単量体の重合体とを含む、樹脂組成物であって、前記ナノセルロースが、次亜塩素酸又はその塩によるセルロース系原料の酸化物を含み、Ｎ－オキシル化合物を実質的に含まず、下記（I）及び／又は（II）；（I）ゼータ電位が－３０ｍＶ以下である；（II）ナノセルロースを水と混合して固形分濃度０．１質量％とした混合液における光透過率が９５％以上である；を満たす、樹脂組成物。
Patent WO-2022070936-A1 (WO)
Inventor: TATENO TEPPEI
IPC: H01L21/304
Filed: 2021-09-16
Abstract: Selon la présente invention, il est prévu un tampon de polissage dans lequel il est possible de supprimer une variation de transmittance optique, ou un tampon de polissage dans lequel il est possible de réduire l'adhérence et la liaison d'une couche de polissage à la surface côté surface de polissage d'un élément en résine translucide (élément de fenêtre).