baber/WOPTO huggingface dataset:
Patent TW-202336788-A (TW)
Inventor: CHANG CHIEH-PIN
IPC: H01F27/28
Filed: 2022-03-07
Abstract: An inductor device includes a first wire and a second wire. The first wire includes a first sub-wire and a second sub-wire. The first sub-wire is disposed in a first area. The second sub-wire is disposed in a second area, and the first sub-wire and the second sub-wire are located on different layers. The second wire includes a third sub-wire and a fourth sub-wire. The third sub-wire is disposed in the second area, and is located below the second sub-wire. The fourth sub-wire is disposed in the first area, the third sub-wire and the fourth sub-wire are located on different layers, and the fourth sub-wire is located above the first sub-wire.
Patent TW-202300468-A (TW)
Title: Glass ceramic having specific thermal expansion characteristics
Inventor: MITRA INA
IPC: C04B35/14
Filed: 2022-03-15
Abstract: The present invention relates to a glass ceramic having improved thermal expansion characteristics and to the use thereof in a precision component.
Patent TW-202301671-A (TW)
Title: Rollable display device
Inventor: WU YUAN-LIN
IPC: G09F9/30
Filed: 2022-03-23
Abstract: A rollable display device is provided by the present disclosure. The rollable display device includes a substrate, a display element, a circuit element and a supporting layer. The substrate has a bending portion and a rollable portion. The display element is disposed on the rollable portion. The circuit element is disposed on the bending portion and electrically connected to the display element. The supporting layer is disposed under the substrate, wherein the rollable portion is attached by the supporting layer, and at least a part of the bending portion is not attached by the supporting layer.
Patent TW-202304701-A (TW)
Title: Laminate, release agent composition, and method for manufacturing machined semiconductor substrate
Inventor: MORIYA SHUNSUKE
IPC: H01L21/683
Filed: 2022-03-25
Abstract: This laminate includes a semiconductor substrate, a light-transmissive support substrate, and an adhesive layer and a release layer provided between the semiconductor substrate and the support substrate, wherein: light emitted from the support substrate side is absorbed by the release layer and then used to cause the semiconductor substrate and the support substrate to be peeled off; the release layer is a layer formed from a release agent composition; and the release agent component has a structure that absorbs the light and contains a compound having a first structure which contributes to the semiconductor substrate and the support substrate being easier to peel off by absorbing the light, and which has two or more aromatic rings constituting a [pi] electron conjugated system, and having a siloxane structure serving as a second structure.
Patent TW-202307484-A (TW)
Title: Manufacturing method for polarizing plate equipped with phase-difference layer and storage method for polarizing plate equipped with phase-difference layer
Inventor: NAMBARA Takuya
IPC: B65D81/00
Filed: 2022-03-30
Abstract: The present invention provides a polarizing plate equipped with a phase-difference layer, in which warpage is suppressed. A manufacturing method for a polarizing plate equipped with a phase-difference layer, according to an embodiment of the present invention, comprises: preparing a laminated body that has a polarizing plate including a polarizer having a first principal surface and a second principal surface opposite one another and a first protective layer disposed on the side of the first principal surface of the polarizer, and that has a phase difference layer disposed on the side of the second principal surface of the polarizer; packaging the laminated body in a packaging material having a thermal conductivity of 0.2 W/m.K or less to obtain a packaged body; and storing the packaged body. The difference in moisture permeability at 40 DEG C and 92% RH between the first protective layer and a laminated part from a layer disposed adjacent to the second principal surface of the polarizer to the phase difference layer is 350 g/m2.24h or greater.
Patent TW-202242524-A (TW)
Title: Optical imaging system and portable electronic device
Inventor: SON JU-HWA
IPC: G03B5/00
Filed: 2020-08-31
Abstract: An optical imaging system includes a first lens group including a first lens and a second lens, a second lens group including a third lens, a fourth lens, and a fifth lens, and a third lens group including a sixth lens and a seventh lens. The first to seventh lenses are arranged in order from an object side, at least one of the first lens group to the third lens group is moved on an optical axis to change a distance between the first lens group to the third lens group, and the following conditional expression is satisfied: 0.2 < BFL/(2*IMG HT) < 2.0. Where BFL is a distance on the optical axis from an image-side surface of the seventh lens to an imaging surface of an image sensor, and IMG HT is half a diagonal length of the imaging surface of the image sensor.
Patent TW-202300600-A (TW)
Title: Curable conductive compositions
Inventor: SAUER-STIEGLITZ RUDIGER
IPC: C09K3/16
Filed: 2022-06-22
Abstract: The present invention relates to a composition comprising
         i) at least one polythiophene selected from the group consisting of
        - a polythiophene comprising monomer units of structure (I)
         in which
        * indicates the bond to the neighboring monomer units,
        X,Z represent O or S,
        R
         1 -R
         4 independently from each other represent a hydrogen atom or an organic residue R, with the proviso that at least one of res-idues R
         1 to R
         4 represents an organic residue R;
        - a polythiophene which is characterized by its compatibility in PGME (1-methoxypropan-2-ol), demonstrated by an RF-value of at least 0.8;
         iii) at least one ethylenically unsaturated compound;
         iv) at least one organic solvent;
         v) at least one radical initiator.
        The present invention also relates to a process for preparing a layer structure, to a layer structure obtainable by this process, to a layer structure, to an electronic component and to the use of composition according to the present invention.
Patent TW-202320630-A (TW)
Inventor: KAIHARA CAMERON
IPC: A01K87/02
Filed: 2022-08-19
Abstract: A locking mechanism for a multi-piece fishing rod includes an adapter having an external joint part; a lock ring having an outer diameter; a locking nut, the locking nut further comprising: a counterbore section having an open end and a partially closed end and an internal joint part; the partially closed end having an aperture therethrough, the aperture having a diameter less than the outer diameter of the lock ring; and the internal joint part of the counterbore configured to engage with the external joint part of the adapter to draw the locking nut into contact with the lock ring and the adapter and the locking nut towards one another.
Patent TW-202308681-A (TW)
Title: Methods of treating neurodegenerative diseases
Inventor: SHEN CHE-KUN JAMES
IPC: A61P25/28
Filed: 2022-08-26
Abstract: Disclosed herein are methods of preventing or treating ALS by use of a modified EKLF polypeptide, a modified nucleic acid encoding the modified EKLF polypeptide, or modified bone marrow cells comprising the modified nucleic acid. According to embodiments of the present disclosure, the modified EKLF polypeptide comprises an amino acid modification that confers reduced sumoylation in a wild-type EKLF polypeptide.
Patent TW-202315711-A (TW)
Title: Cutting device, and method for manufacturing cut product
Inventor: SAKAMOTO SHINJI
IPC: B24D7/02
Filed: 2022-09-07
Abstract: This cutting device is configured to cut an object to be cut, with a blade. The cutting device comprises an imaging unit, and a control unit. The imaging unit is configured to move relatively to a dressing board, and image some region of the dressing board. The control unit is configured to control the imaging unit to image a plurality of first regions of the dressing board in order, and, on the basis of imaging results of the imaging unit, determine whether or not there is a cut line in each of the plurality of first regions. Two first regions adjacent to each other among the plurality of first regions are spaced apart from each other with a second region therebetween. The control unit, on the basis of whether or not there is a cut line in each of the plurality of first regions, decides whether or not it is necessary to determine whether or not there is a cut line in the second region.
Patent TW-202314003-A (TW)
Title: Rectangular steel pipe and method for manufacturing same, hot-rolled steel sheet and method for manufacturing same, and building structure
Inventor: IWATA NAOMICHI
IPC: C22C38/00
Filed: 2022-09-12
Abstract: Provided are a rectangular steel pipe and a method for manufacturing the same, and a hot-rolled steel sheet and a method for manufacturing the same. This rectangular steel pipe and hot-rolled steel sheet have a prescribed component composition, the steel structure in a position at a depth of 1/4t, where t is the wall thickness from the pipe outer surface and the steel sheet surface, comprises in terms of volume fraction, more than 30% ferrite and at least 10% bainite, the total of ferrite and bainite being 75-95%, and the remainder being one or more selected from pearlite, martensite, and austenite, the number of crystal grains having a long axis of 50 [mu]m or greater and a ratio of long axis and short axis (= (long axis)/(short axis)) of 4.0 or greater is 30/mm2 or fewer, where a crystal grain is a region surrounded by a boundary where the orientation difference between adjacent crystals is at least 15 DEG, and the volume fraction of crystal grains having an equivalent circle diameter of 40.0 [mu]m or greater is 20% or less.
Patent TW-202329713-A (TW)
Inventor: CARIOU LAURENT
IPC: H04W16/02
Filed: 2022-10-04
Abstract: This disclosure describes systems, methods, and devices related to spatial reuse for extremely high throughput (EHT). A device may identify a frame received from a first station device configured to operate in a first basic service set (BSS) on a first channel. The device may analyze a preamble of the frame to determine a classification of the frame. The device may adjust a calculation of a packet detection for overlapping basic service set (OBSS) value based on a number of unpunctured 20 MHz frequency channels. The device may determine to simultaneously use the first channel for communication with a second device within a second BSS based on the calculation of the packet detection for OBSS value.
Patent TW-202321798-A (TW)
Inventor: MURARI NISHIT
IPC: G02F1/167
Filed: 2021-02-05
Abstract: 一種用於製造電泳顯示層之方法，電泳顯示層包括直接沉積在包含電泳介質的微膠囊層上之各種薄膜。在一個實施例中，沉積透光導電材料薄膜，以產生用於電泳顯示器的透明前電極。在一些實施例中，將在微膠囊上沉積介電層及透光導電材料薄膜。
Patent TW-202326290-A (TW)
Title: 修正圖案佈局錯誤的方法、使用該方法製造光罩幕的方法以及使用該方法形成圖案的方法
Inventor: KWON MI-JIN
IPC: G03F1/70
Filed: 2022-10-07
Abstract: 提供一種修正圖案佈局錯誤的方法、製造光罩幕的方法以及形成圖案的方法。所述方法包括：對目標圖案的佈局進行設計；對目標圖案的佈局與基於目標圖案的佈局製造的光罩幕中的真實圖案的佈局之間的錯誤進行檢查；在目標圖案的佈局的輪廓中分別在多個點處產生EPE向量；分別對所產生的EPE向量中的每一者在水平方向及垂直方向上的水平要素及垂直要素進行計算；基於所計算的EPE向量的水平要素及垂直要素來對目標圖案的佈局在每一方向上的偏移代表值進行計算；以及基於偏移代表值來對目標圖案的佈局進行修正。
Patent TW-202331755-A (TW)
Title: 電感元件之製造方法及電感元件
Inventor: RICHTER KLAUS
IPC: H01F3/08
Filed: 2022-10-21
Abstract: 本發明係關於一種用於製造一電感元件之方法，該電感元件包括一導電線圈及至少部分圍繞該線圈之一磁性材料，其中該線圈具有一螺旋體及電連接至該螺旋體之至少兩個連接點，其中提供以下步驟：用含有該磁性材料之粒子之一化合物填充一外模具，其中該化合物特定而言含有粉末形式之該磁性材料(舉例而言，鐵氧體粉末)及黏結劑；將一整形螺旋體擰入該外模具中，其中該外模具在該整形螺旋體之該擰入之前已用該化合物填充，或在該整形螺旋體之該擰入之後用該化合物填充；將該整形螺旋體擰出該外模具，結果在該化合物中形成具有對應於該整形螺旋體之一外輪廓之一腔之一預成型件；燒結由該化合物構成之該預成型件，且因此，形成由磁性材料構成之一模具；用液態金屬(特定而言為銅)填充由該磁性材料構成之該模具中之該腔，且因此形成具有該螺旋體及該等連接點之該線圈。
Patent TW-202337075-A (TW)
Inventor: LI KANG-LING
IPC: H01Q1/06
Filed: 2022-10-28
Abstract: 一種具有照明功能之天線組，包括：一韋瓦第天線、複數個第一發光二極體，以及複數個第二發光二極體。韋瓦第天線包括一第一輻射部和一第二輻射部，其中第一輻射部和第二輻射部可共同界定出一缺口區域。該等第一發光二極體係設置於缺口區域以內，其中該等第一發光二極體皆作為韋瓦第天線之匹配元件來使用。該等第二發光二極體皆設置於缺口區域以外，其中該等第二發光二極體皆作為韋瓦第天線之導向器來使用。
Patent TW-202337248-A (TW)
Title: Increased uplink power for carrier aggregation in wireless systems
Inventor: COMSA VIRGIL
IPC: H04W52/36
Filed: 2022-11-03
Abstract: Devices, methods, and systems for switching between power class combinations. An indication of a plurality of aggregated power class (PC) configurations is transmitted. Each of the plurality of aggregated PC configurations indicates respective maximum power and duty cycle information. A request is transmitted responsive to a triggering event. The request indicates a first aggregated PC configuration of the plurality of aggregated PC configurations. An indication of a second aggregated PC configuration is received in response to the request. A transmission is transmitted with a transmit power or power headroom that is based on the second aggregated PC configuration.
Patent TW-202324500-A (TW)
Title: Fly eye lens, light emitting device including same, and method of manufacturing fly eye lens
Inventor: KATSUDA TETSUYA
IPC: H01L21/027
Filed: 2022-11-28
Abstract: The present invention provides a fly eye lens which can be easily adjusted to provide uniform and consistent illumination for a wide exposure area compared with the related art. The fly eye lens (10) is formed by arranging multiple lens segments (20) along a first direction. Each of the lens segments (20) is formed by arranging multiple lenses (24) along a second direction orthogonal to the first direction. Front and back surfaces the lens segments (20) have mutually different optical properties, the front surface of the lens segment (20) constitutes a part of the front surface of the fly eye lens (10), and the back surface of the lens segment (20) constitutes the remaining parts.
Patent TW-202331810-A (TW)
Title: Reflective mask blank, reflective mask, reflective mask blank manufacturing method, and reflective mask manufacturing method
Inventor: AKAGI Daijiro
IPC: H01L21/027
Filed: 2022-12-27
Abstract: A reflective mask blank for EUV lithography comprising a substrate, a multilayer reflective film that reflects EUV light, a protective film that protects the multilayer reflective film, and an absorption film that absorbs EUV light, in this order from bottom to top, wherein the protective film is provided with an upper layer that comprises a rhodium-based material and contains Rh, or Rh and at least one element selected from the group consisting of N, O, C, B, Ru, Nb, Mo, Ta, Ir, Pd, Zr, and Ti, and a lower layer that, in the EUV region, satisfies k < -0.15n+0.16 (where n is the index of refraction and k is the extinction coefficient).
Patent TW-202328901-A (TW)
Title: 管路判斷裝置
Inventor: Zhang yuan-xi
IPC: G06F7/00
Filed: 2022-01-07
Abstract: 一種管路判斷裝置，包含：記憶單元、處理單元以及通訊介面，處理單元連接記憶單元及通訊介面。記憶單元儲存複數管路名稱、複數參考管路外徑值及對應參考管路外徑值之管路名稱排序。處理單元接收管路之外徑量測數據，比對外徑量測數據與參考管路外徑值，選出對應與外徑量測數據相同之參考外徑值之管路名稱排序，依據對應與外徑量測數據相同之參考管路外徑值之管路名稱排序產生至少一符合外徑量測數據之管路名稱。通訊介面輸出符合外徑量測數據之管路名稱。
Patent UA-36832-A (UA)
Title: Module unit for wave energy utilization
Filed: 2000-02-14
Abstract: The invention relates to hydropower engineering and relates to wave power plants. A module unit for wave energy utilization has wave-receiving chamber formed with the bottom and the guide walls narrowing to the site of installation of working wheel. The wave-reception chamber is separated with guide partition going round the working wheel with different angles of enveloping.
Patent UA-39327-A (UA)
Title: Disc end executive body of earth-moving machine
Filed: 2000-03-29
Abstract: The disc end executive body of earth-moving machine is a disc installed on the frame, with earth-moving and transportation elements placed with displacement to side opposite to direction of rotation of the disc. The soil-destruction elements arranged as prisms have slants in plane parallel to the plane of the disc, and those slants are directed to the side of rotation of the disc. This invention relates to earth-moving machine-building, in particular to executive bodies of earth-moving machines with continuous action, and can be used in all the branches of national economy for trenching in strong soils and rocks.
Patent UA-37803-A (UA)
Title: Пристрій для чистової обробки профілів зубів циліндричних зубчастих коліс
Filed: 2000-04-18
Abstract: Об'єкт винаходу. Запропоновано пристрій для чистової обробки профілів зубів циліндричних зубчастих коліс на токарно-гвинторізному верстаті в умовах вільного обкату шевером. Область застосування: Винахід належить до галузі машинобудування, зокрема до виробництва зубчастих виробів із просторово модифікованими зуб‘ями. Може бути використаний у верстатобудуванні як пристосування до токарно - гвинторізного верстата. Сутність винаходу. Пристрій має основу у вигляді кронштейна, на якому розміщені регулювальна скоба та супорт з кареткою, яка складається з двох частин, одна з котрих із копірами встановлена на супорті, а друга виконана у вигляді повзуна з шарнірно закріпленою на ньому траверсою, що відрізняється тим, що супорт установлений із можливістю повороту щодо кронштейну з фіксацією у потрібному положенні за допомогою регулювальної скоби. Технічний результат забезпечує просторова модифікація профілю зубів. У результаті обробки деталі (зубчастого колеса) із розгортанням шевера на кути, що враховують непаралельність fxr. і перекіс fyr робочих осей і одночасно враховують монтажні погрішності колеса, поліпшуються кінематичні показники, а також показники плавності та плями контакту. При наявності декількох коліс на одному робочому валу, відрегулювавши боковий зазор у однієї з зубчастих пар після шевінгування при складанні, одержимо однаково оптимальні показники плавності і плями контакту у всіх інших колесах. 1 н.п. ф-ли
Patent UA-40496-A (UA)
Title: Спосіб лікування генералізованого пародонтиту з відновленням нормобіозу пародонтальних тканин
Inventor: MASCHENKO IHOR SERHIIOVYCH
Filed: 2001-03-27
Abstract: Реферат. Спосіб лікування генералізованого пародонтиту з відновленням нормобіозу пародонтальних тканин полягає в тому, що після всебічного оздоровлення ротової порожнини та зубів проводять комплексну медикаментозну терапію шляхом використання протизапальних, антимікробних та імуностимулюючих агентів, але при комплексній терапії додатково здійнюють відновлення нормобіозу пародонтальних тканин після тотальної ліквідації мікроорганізмів в цій екологічній ніші, при цьому впливають аеробактом як засобом відновлення нормобіозу, Д-Нолом, амоксиклавом та метронідазоловмісним гелем " Метрогіл-Дента", як антимікробними та протизапальними агентами. Д-Нол та амоксиклав призначають для загального використання, а аеробакт і метронідазоловмісний гель " Метрогіл-Дента" - для місцевого.
Patent UA-54719-A (UA)
Title: Solution for dust suppressing
Inventor: Matvienko Viktor Hryhorovych
Filed: 2002-02-13
Abstract: Solution for dust suppression includes oxy-ethylated alkyl-phenols and water. As oxy-ethylated alkyl-phenols it includes oxy-ethylated neonols (neonols AP).
Patent UA-57238-A (UA)
Title: Method for preparing the antibacterial remedy possessing antibacterial activity against pathogenic and conditionally pathogenic bacteria of nasopharynx
Inventor: HLADKA OLENA ARKADIIVNA
Filed: 2002-05-07
Abstract: The method for preparing the antibacterial remedy consists in drawing the bark of the buckthorn for 6 days in 70° ethanol.
Patent UA-57258-A (UA)
Title: Method for determining content of nicotine alkaloid in tobacco dust
Inventor: KUTSAN OLEKSANDR TYKHONOVYCH
Filed: 2002-05-31
Abstract: The proposed method for determining content of nicotine alkaloid in tobacco dust consists in extracting the alkaloid from the tobacco dust, providing precipitation of the substances extracted together with the alkaloid, filtering the sample, and doubly treating the sample by chloroform. To determine the content of the alkaloid, high-performance liquid chromatography is used.
Patent UA-54199-A (UA)
Title: Method for monitoring serviceability of digital devices by pseudorandom power-dynamic analysis
Filed: 2002-06-07
Abstract: The proposed method for monitoring serviceability of digital devices by pseudorandom power-dynamic analysis consists in analyzing diagnostic parameters, such as amplitudes of short circuit current pulses, with consideration for effect of the output parameters of the generalized mathematical model of the logic circuit of the device on the diagnostic parameters of the power supply circuit of the object of diagnostics, such as a plug-in module.
Patent UA-58059-A (UA)
Title: Method for preventing influenza
Inventor: TSUTSAIEVA ALLA OLEKSANDRIVNA
Filed: 2002-09-02
Abstract: The method for preventing influenza consists in intranasal administration of the biologically active substance. Hemocord is administered once with this aim in view.
Patent DO-P2015000285-A (DO)
Title: Pistón para su uso en una jeringuilla con relación dimensional específica de una estructura de sellado
Inventor: HETTING MIKKEL
IPC: A61M5/315
Filed: 2015-11-20
Abstract: LA PRESENTE INVENCIÓN SE REFIERE A UN PISTÓN PARA SU USO EN UN INYECTOR QUE COMPRENDE UN CILINDRO QUE PRESENTA UN EJE LONGITUDINAL Y UNA PARED INTERIOR, TAL PISTÓN PRESENTA UN ELEMENTO DE SELLADO DEFORMABLE CON UNA SUPERFICIE CONVEXA, TAL ELEMENTO DE SELLADO DEFORMABLE, CUANDO EL PISTÓN ES INSERTADO EN EL CILINDRO SE APOYA EN LA PARED INTERIOR DEL CILINDRO EN UNA INTERFAZ DE APOYO Y SELLA UNA RANURA ANULAR ENTRE EL PISTÓN Y LA PARED INTERIOR DEL CILINDRO, PRESENTANDO LA INTERFAZ DE APOYO Y EL ELEMENTO DE SELLADO DEFORMABLE DIMENSIONES AXIALES PARALELAS CON EL EJE LONGITUDINAL, CARACTERIZADO PORQUE LA RELACIÓN ENTRE LA DIMENSIÓN AXIAL DE LA INTERFAZ DE APOYO Y LA DIMENSIÓN AXIAL DEL ELEMENTO DE SELLADO DEFORMABLE SE ENCUENTRA EN EL INTERVALO ENTRE 0,01 Y 0,2. EN OTROS ASPECTOS LA INVENCIÓN SE REFIERE A UN INYECTOR QUE COMPRENDE EL PISTÓN Y AL USO EN UNA JERINGUILLA DESECHABLE DEL PISTÓN. EL PISTÓN PUEDE EVITAR EL RELLENO DE UNA JERINGUILLA. FIG. 1
Patent EC-SP11010971-A (EC)
Title: Tratamiento de la diabetes en pacientes con control glucemico insuficiente a pesar de la terapia con un fármaco oral o no oral antidiabético
Inventor: MARK MICHAEL
IPC: A61K31/155
Filed: 2011-04-11
Abstract: La presente invención se refiere al descubrimiento de que determinados inhibidores de DPP-4 son particularmente adecuados para tratar y/o prevenir enfermedades metabólicas, en particular la diabetes, en pacientes con control glucémico insuficiente a pasar de una terapia con un fármaco antidiabético oral y/o no oral.
Patent EC-SP13013107-A (EC)
Title: Formulaciones peptídicas de liberación controlada
Inventor: TIBERG FREDRIK
IPC: A61K9/00
Filed: 2013-12-24
Abstract: La presente invención se refiere a composiciones que forman una mezcla de baja viscosidad de:a) 20-80% en peso de por lo menos un diacilglicerol y/o un tocoferol;b) 20-80% en peso de por lo menos una fosfatidilcolina (PC);c) 5-20% en peso de por lo menos un solvente mono-alcohólico orgánico, biocompatible;d) hasta 20% en peso de solvente polare) por lo menos un agente activo peptídico;f) opcionalmente por lo menos un antioxidante; donde la relación de componentes a:b está dentro del rango entre 40:60 y 54:46; donde la preformulación forma, o es capaz de formar, por lo menos una estructura de fase cristalina líquida luego del contacto con fluido acuoso en exceso.La invención se refiere además a métodos de tratamiento que comprenden la administración de ese tipo de composiciones, y se refiere a dispositivos y kits de administración precargados que contienen las formulaciones.
Patent EG-25127-A (EG)
Title: Finely adjustable firing valve.
Inventor: MIGLIORATI GENIO
IPC: F16K31/385
Filed: 2009-01-20
Granted: 2011-09-18
Abstract: A finely adjustable firing valve for rapidly discharging compressed air or compressed gas, for the purpose of generating a pressure wave in silos or containers of granular materials, comprising a pneumatic main valve (1), a pneumatic secondary valve (9), arranged to control the main valve (1), and a pilot valve (16), arranged to control the secondary valve (9), said main valve (1) comprising a main valving element (7) of membrane type.