baber/WOPTO huggingface dataset:
Patent FR-3088210-B1 (FR)
Title: Extinction de feu ou limitation de depart de feu
Inventor: ANDRE MAXIME
IPC: A62C3/07
Filed: 2019-07-03
Granted: 2022-05-13
Abstract: Pack batterie (10), en particulier pour un véhicule à moteur, comportant un boîtier (12) définissant une cavité interne (14) de logement de plusieurs cellules de batterie (16) électriques rechargeables agencées les unes à côté des autres, caractérisé en ce qu’il comprend en outre au moins deux dispositifs extincteurs (32, 36), chacun de ces dispositifs comportant une paroi tubulaire ou creuse délimitant un espace interne (26) de stockage d’un fluide extincteur sous pression, ladite paroi comportant un matériau frangible destiné à se rompre sous l’effet de l’expansion des cellules de batterie liée à la chaleur générée par un feu ou un départ de feu, au moins certains des dispositifs s’étendant au moins en partie autour et/ou le long de chacune desdites cellules de batterie.  Figure pour l’abrégé : Figure 14
Patent FR-3119209-B1 (FR)
Title: Pompe à vide de type sèche et groupe de pompage
Inventor: D'HARBOULLE PHILIPPE
IPC: F04C29/02
Filed: 2021-01-25
Granted: 2023-03-31
Abstract: Pompe à vide (1 ; 100) comportant au moins un dispositif d’injection d’un gaz de purge dans le carter d’huile (12) configuré pour injecter un gaz de purge dans le carter d’huile (6) et au moins un dispositif de pompage des gaz du carter d’huile (6) configuré pour aspirer les gaz dans le carter d’huile (6) de manière à simultanément injecter un gaz de purge et pomper les gaz dans ledit carter d’huile (6).  Figure d’abrégé : figure 1
Patent FR-3107410-B1 (FR)
Title: Amplificateur de puissance radiofrequence
Inventor: GUEGNAUD HERVÉ
IPC: H04B1/04
Filed: 2021-02-15
Granted: 2022-05-06
Abstract: Selon un aspect, il est proposé un circuit intégré comprenant un amplificateur de puissance comportant : - une succession d’au moins deux étages amplificateurs (DS, PS) comportant un premier étage amplificateur (DS) configuré pour recevoir en entrée un signal radiofréquence et un dernier étage amplificateur (PS) configuré pour délivrer en sortie un signal radiofréquence amplifié, - un circuit de sûreté comprenant : ○ des moyens de contrôle (CM) configurés pour comparer une tension du signal radiofréquence amplifié (RFAMP) à une tension seuil (VTH),○ des moyens de réduction (GRM) de gain configurés pour réduire une tension de polarisation d’un étage amplificateur en amont (DS) du dernier étage (PS) lorsque la tension du signal radiofréquence amplifié (RFAMP) est supérieure à la tension seuil (VTH).  Figure pour l’abrégé : Fig 1
Patent FR-3121869-B1 (FR)
Title: Dispositif de conditionnement d’air d’un habitacle d’un véhicule
Inventor: GREBER FREDERIC
IPC: F24F12/00
Filed: 2021-04-16
Granted: 2023-06-02
Abstract: Dispositif de conditionnement d’air d’un habitacle d’un véhicule Le dispositif de conditionnement d’air (17) comprend :  - un circuit de soufflage d’air frais (19) comprenant au moins un conduit de distribution d’air (27) ayant au moins un évent (29) de soufflage ;- un circuit d’évacuation d’air vicié (21) comprenant au moins un conduit d’évacuation d’air (33) ayant au moins une bouche d’évacuation d’air vicié (35) ;- le dispositif de conditionnement d’air (17) comprenant au moins un échangeur de chaleur (37) comprenant un premier côté (39) de circulation d’air frais, intercalé dans l’au moins un conduit de distribution d’air (27), et un second côté (41) de circulation d’air vicié, intercalé dans l’au moins un conduit d’évacuation d’air (33) ;- le circuit de soufflage d’air frais (19) comprenant au moins un chauffage (43) et au moins un refroidisseur (45), placés en série dans l’au moins un conduit de distribution d’air (27) ;- le circuit de soufflage d’air frais (19) comprenant en outre au moins un conduit de bipasse (47) de l’au moins un refroidisseur (45), et au moins un organe de réglage (49) configuré pour contrôler un débit d’air frais dans l’au moins un conduit de bipasse (47).  Figure pour l'abrégé : 1
Patent FR-3131136-B1 (FR)
Title: Système et procédé de commande d’un moteur électrique triphasé
Inventor: JANATI IDRISSI HICHAM
IPC: H02P21/14
Filed: 2021-12-20
Granted: 2023-12-22
Abstract: Procédé de commande d’un moteur électrique triphasé (2), alimenté par un onduleur (3) recevant des signaux de commande déterminés par une modulation de vecteur d’espace en fonction d’un couple de tensions d’alimentation dans un repère diphasé tournant lié au champ électrique du moteur électrique, dans lequel :  on estime la résistance du moteur électrique, puis on détermine les composantes dans le repère diphasé tournant des tensions d’alimentation du moteur électrique en fonction de la résistance du moteur électrique, de l’inductance cyclique du moteur dans le repère diphasé lié au champ électrique, de la vitesse de rotation du champ électrique, des consignes de courants dans le repère diphasé lié au champ électrique et de la valeur maximale du flux magnétique produit par les aimants à travers une phase du moteur.  Figure pour l’abrégé : Fig 4
Patent FR-2163442-B1 (FR)
IPC: G01R31/3181
Filed: 1972-11-08
Granted: 1974-08-19
Abstract: A system for testing complex circuitry primarily in large scale integration where a great number of inputs and outputs must be tested and the internal circuitry is inaccessible. The test system has a weighted random number generator which applies a test signal to some input terminals of the logic under test more frequently than others. A particular input terminal to the logic under test can be accessed in proportion to the circuit switching activity associated with accessing that particular terminal.
Patent FR-2332074-B1 (FR)
IPC: A61L2/24
Filed: 1976-11-19
Granted: 1980-12-05
Abstract: Apparatus for cleansing endoscopes, comprises a holder device, a cylindrical cleaning container, time control means for placing said holder device under timed control, a rotatable mounting for said holder device, said holder device being arranged for directing the barrel of the endoscope to be cleaned towards the interior of said cleaning container, said cleaning container being provided, for a substantial part of its length and around its circumference, with first nozzles which are connectable to a hot water line and which are orientated radially and/or at an angle to the axis of the container, with at least one succeeding circumferential series of second nozzles which are connectable to a pressurized container for containing a disinfecting liquid, and following these, with at least one further circumferential series of third nozzles to which compressed air can be applied. The cleaning container has a controllable return line to said pressurized container and an outlet having a controlled valve. The supply to the nozzles and the operation of the return line and of said outlet of said cleaning container are controllable from a central point by means of selectable programmes.
Patent FR-2378939-B1 (FR)
IPC: C09D127/06
Filed: 1978-01-17
Granted: 1982-12-31
Abstract: {PG,1 A system for continuous lubrication of bearings in a drilling apparatus including a roller bit having at least one pivot and a cutting roller rotatably supported on the pivot by bearings. The system comprises pumping means in the form of spiral or oblique grooves on one of the spaced confronting faces of the roller bit and cutting roller and a flow opening or port arranged to effect flow of a flushing liquid through the bearing upon rotations of the cutting roller. The grooves may be selectively oriented to pump flushing liquid through the annular gap between the roller bit and cutting roller faces radially inwardly or radially outwardly for a given direction of rotation of the cutting roller.
Patent FR-2380219-B1 (FR)
IPC: B66F9/14
Filed: 1978-02-10
Granted: 1985-06-28
Abstract: An industrial truck includes a pair of forks mounted on a carrier at one end of a boom. The boom can be traversed in a constrained manner, one end of the boom following a D-shaped path, the boom having components of movement lengthways, fore and aft of the truck and laterally, across the truck and the carrier can be swivelled relative to the boom. Mechanical or electrical constraints may be incorporated to permit pivoting of the carrier about an axis spaced from the end of the boom so that the forks may be rotated within the width of the truck before any sideways reach movement.
Patent FR-2446708-B1 (FR)
IPC: F16L27/02
Filed: 1979-01-22
Granted: 1982-02-12
Abstract: 1. Process for the production of pipelines by the butt welding of pipe sections molecularly oriented in the longitudinal direction, in which process rings having a diameter substantially equal to that of the sections are inserted between the successive sections, characterized in that the pipe sections and the rings are made of a thermoplastic material and in that the rings have undergone circumferential molecular orientation to a degree greater than the degree of longitudinal molecular orientation of the sections, so as to prevent the propagation of cracks from one section to another.
Patent FR-2485608-B1 (FR)
IPC: E05D15/56
Filed: 1980-06-30
Granted: 1983-09-23
Abstract: 1. Fitting for a sliding window, sliding door or the like, provided with a device for rising and rolling the opening leaf of the window, door or the like, comprising at least a right mechanism (56, 57, 58) for the vertical disengagement of the rolling means (58, 59, 60) by the operation of a cam (50) and being arranged in a box (1) integral with the opening leaf, said cam (50) being disposed about an axis (51) integral with the box (1) and co-operating with an axis (57) integral with the rolling means (58), characterized in that the axis (57) is vertically guided in oblong apertures (73, 74) of the box (1) and the cam (50) is operated by a control rod (24) connected at least to a driving rod (44, 45).
Patent FR-2487384-B1 (FR)
IPC: C25B15/08
Filed: 1980-07-22
Granted: 1982-09-24
Abstract: Electrolysis return circuit for an electrolysis installation, e.g. for electrolysis of pressurized water. Passage is provided from the anolyte outlet (1) to the anolyte inlet (3) via a direct transfer circuit (9) equipped with a crude degasser (10) and transferring the portion of the anolyte flow A, C being the catholyte flow, and via a circuit (7) equipped with a thorough degasser (8) and transferring, from the catholyte outlet (2) a flow and vice versa to pass from the catholyte outlet (2) to the catholyte inlet (4).
Patent FR-2517131-B1 (FR)
Inventor: KARAKI KOUICHI
IPC: A61B18/20
Filed: 1982-11-23
Granted: 1985-12-13
Abstract: A device for varying laser output including a source for generating a laser beam, at least one parallel flat plate having a transmissive characteristic for the laser beam and so arranged that the laser beam enters with the optical axis thereof at a Brewster's angle, a mechanism for rotating the plate about the optical axis, and a laser absorbing body for absorbing the laser beam reflected from the plate.
Patent FR-2548916-B1 (FR)
Inventor: BARDIN ROLAND
IPC: A63C9/085
Filed: 1983-06-27
Granted: 1986-04-18
Abstract: The safety ski binding is primarily intended to retain the toe end of a ski boot and comprises a yoke pivotally mounted on a cross-pin in a stationary hollow body. The jaw unit for retaining the ski boot is guided in longitudinal sliding motion within the yoke. The jaw unit is provided with semi-cylindrical grooves directed towards the ski boot and having the function of cooperating with support rods attached to the yoke. The jaw unit is also associated with a cylindrical roller which is directed away from the ski boot and is intended to cooperate with a locking lever. The ski binding provides compensation for the parasitic friction forces which arise from complex falling movements involving forward-fall and twisting motion as well as backward-fall and twisting motion.
Patent FR-2553121-B1 (FR)
Inventor: FREDENUCCI PIERRE
IPC: D06N7/00
Filed: 1983-10-06
Granted: 1986-02-21
Abstract: The invention relates to a paper sheet obtained essentially from (parts by dry weight) -  Fibers (cellulosic and 20 to 40 -"basic mixture"  non-cellulosic) -  Fillers 80 to 60 -  Latex 40 to 105 - in particular by a process of double flocculation, which has a very high resistance to delamination. The invention is applicable to floor and wall coverings.
Patent FR-2561659-B1 (FR)
Inventor: BRUSEWITZ GERHARD
IPC: C12M1/28
Filed: 1985-01-16
Granted: 1986-08-29
Abstract: The present invention provides a device for the determination of micro-organisms, comprising a vessel (1) closable with a cover (3) in which vessel is housed a nutrient medium carrier in the form of a longitudinal carrier body (2, 40) which has a plurality of troughs (10, 11, 12, 13, 41, 42, 45, 46) for the reception of nutrient substrate substances, the upper surfaces of which are provided with a removable cover, wherein at least one closable filler connection (19, 20, 43, 44), formed on the carrier body (2, 40) opens into each trough (10, 11, 12, 13, 41, 42, 45, 46).
Patent FR-2611711-B1 (FR)
Inventor: DESCHRIJVER PAUL
IPC: C07D241/44
Filed: 1987-03-06
Granted: 1989-06-09
Abstract: A quinoxaline is oxidized by means of hydrogen peroxide in an inert solvent medium in the presence of water and of a catalyst selected from selenium and selenium compounds. The process applies to the preparation of substituted and unsubstituted 2,3-dihydroxyquinoxalines.
Patent FR-2649508-B1 (FR)
Inventor: CLAES GERARD
IPC: G06F9/44
Filed: 1989-07-07
Granted: 1994-07-08
Abstract: Method to assist the user of a computer system equipped with its own operating system (OS) characterised in that in an overall aid system are grouped together a plurality of specialised service systems (32, 34, 36) interconnected to an interface (30) managing the inputs (in sensor mode) and the outputs (in transmitter mode) between the overall aid system and the computer system. The service systems (32, 34, 36) are interconnected in a star with the interface (30) through a core system (38). The invention also relates to an apparatus for implementing the method defined above.
Patent FR-2739315-B1 (FR)
Inventor: HUGUET REGIS
IPC: B23K9/02
Filed: 1995-09-28
Granted: 1997-12-19
Abstract: Regulating the welding parameters for producing a weld joint between two metal components (1,2) by filling a chamfer (3) involves determining for each of the filling layers (6, 6n-1, 6n) in the chamfer (3) the following parameters: (a) the width of the base (Lic) of the layer (6n) between the first and second edges (1a,2a) of the chamfer; (b) the number of weld passes needed to produce the layer (6n); (c) a real remaining width (Lr) for the layer (6n) by subtracting from the base width (Lic) a predetermined fixed value (Lif) corresponding to the optimal width of the final weld ribbon in contact with the second edge (2a) of the layer (6n); (d) an initial value (Lin) for the remaining width; (e) a relationship (R) between the real remaining width (Lr) and the initial value (Lin) of the remaining width is calculated; and (f) the speed of advance of the welding head during successive passes for the production of the layer (6n) and the staggering of the welding head in the direction transverse to the chamfer (3) between two successive passes.
Patent FR-2789335-B1 (FR)
Inventor: MAILLOT MAX
IPC: A01B3/26
Filed: 1999-02-10
Granted: 2001-04-27
Abstract: The inventive device comprises a plough (10) that can be coupled to a tractor and comprises a chassis (12) bearing a plurality of shovels (22D,22G), whereby the shape of said shovels is adapted in order to be able to turn up and mix a wet material (M) spread on the soil on the surface of said soil, in addition to comprising a tank (24) for a treatment liquid, a pump (26) that is connected to the tank and a sprinkling ramp (34) arranged at the rear of the chassis and connected to the pump in order to dispatch treatment liquid over the material that has been turned up and mixed by the shovels. The invention can be used with spreading materials, especially sludge from treatment plants.
Patent FR-2791697-B1 (FR)
Inventor: COLIN BRUNO
IPC: C12M1/33
Filed: 1999-04-01
Granted: 2003-02-28
Abstract: Apparatus (A) comprising a sonotrode that generates high power ultrasound in biological samples present in a vessel and containing cells to be lysed, is new. The sonotrode is in contact with the vessel and there is no fluid between the contact surfaces. The probe has an active surface that follows the shape of part of the vessel and the surface in contact with the vessel is concave or convex. An independent claim is also included for a method of ultrasonic lysis of cells using (A).
Patent FR-2795624-B1 (FR)
Inventor: BOLGER CIARAN
IPC: A61B17/17
Filed: 1999-07-01
Granted: 2001-09-28
Abstract: The present invention concerns a method and equipment for drilling bone, in particular for setting a pedicle screw using a manual or motorized drilling tool. The equipment includes a drilling instrument, a source of electric impulses and a connector for connecting the electric impulse source to the drilling instrument. The equipment includes at least one sensor for detecting a muscle signal either implanted in a muscle or placed on the skin in the vicinity of a muscle before and during drilling. An alert is produced in the event of detection by at least one sensor of a muscle signal correlated with the source of electric impulses connected to the drilling instrument.
Patent HU-230363-B1 (HU)
Title: Hand floor panel, method for manufacturing such panels, and floor lovering made of such panels
Inventor: CAPPELLE MARK GASTON MAURITS
IPC: F16B5/00
Filed: 1997-06-07
Abstract: Floor covering, consisting of hard floor panels (1) which, at least at the edges of two opposite sides (2-3, 26-27), are provided with coupling parts (4-5, 28-29), co-operating with each other, substantially in the form of a tongue (9-31) and a groove (10-32), whereby the coupling parts (4-5, 28-29) are provided with integrated mechanical locking means (6), which coupling parts and locking means prevent the drifting apart of two coupled floor panels (1) into a direction (R) perpendicular to the related edges (2-3, 26-27) and parallel to the underside (7) of the coupled floor panels (1), characterized in that said floor panels (1) show the further features: that the floor panels (1) are rectangular laminated floor panels (1); that coupling parts as defined above are provided at all four sides; that the coupling parts (4-5, 28-29) and the locking means (6) are realized in one piece with the floor panels (1) themselves, more particularly in one piece with the core (8) of the floor panels (1) ; and that said groove at its lower side is bordered by a lip, more particularly a lower lip (23-43), which lip over its complete thickness is structurally made out of the material of the floor panel itself.
Patent HU-221678-B1 (HU)
Inventor: KOZAK
IPC: A61K47/48
Filed: 1994-03-30
Abstract: A találmány tárgya gyógyszerészetileg elfogadható sejtmembrán-permeábilis prodrug, amely gyógyszerészetileg aktív karbonsav és egyhidroxilcsoportot vagy -csoportokat tartalmazó intracelluláristranszportáló adjuváns észtere, amelyben az említett karbonsavvalpronsav vagy annak sója, vagy egy (HOOC–CH2)2–N–A–N–(CH2–COOH)2képletű sav – a képletben A jelentése –CH2–CH2–, –CH2CH2–O–CH2–CH2–O–CH2–CH2– vagy –CR?CR–O–CH2–CH2–O–CR'?CR'– ahol az R–R és R'–R'szubsztituenspárok együttesen a hozzájuk kapcsolódó –C?C– csoporttalegy benzolgyűrűt alkotnak – vagy ezek sói, és az említettintracelluláris transzportáló adjuváns 7–32 szénatomos egyértékűalkohol vagy egy ROCH2–CH(OH)–CH2O–(PO2)–OCH2N+(CH3)2 általánosképletnek megfelelő foszfatidil-kolin-származék – a képletben Rjelentése 3–20 acilcsoport. ŕ
Patent HU-225226-B1 (HU)
Title: 13-substituted milbemycin 5-oxime derivatives, their use, and anthelmintic, acaricide and insecticide compositions containing these compounds
Inventor: SATO KAZUO
IPC: A61K31/35
Filed: 1996-09-27
Abstract: Compounds of formula (I): <CHEM> in which: R<1> is methyl, ethyl, isopropyl or sec-butyl; X is carbonyl or methylene; Z is =C=(R<2>)2 or =C=(CH2)m (in which R<2> is alkyl, and m is integer of from 2 to 5); n is 0 or 1; R<3> is nitro, amino, alkylamino, dialkylamino, alkoxy, alkoxyalkoxy, or a group (iii), (iv), (v), (vi), (vii), (viii) or (ix): <CHEM>   <CHEM>   <CHEM>   <CHEM> (in which: R<4> represents: alkyl; substituted alkyl; cycloalkyl having from 3 to 6 carbon atoms; substituted cycloalkyl; alkenyl; alkynyl; carbocyclic aryl; or heterocyclic; R<5> is hydrogen atom or alkyl; R<6> represents: hydrogen; alkyl; or cycloalkyl; R<7> represents: alkyl; cycloalkyl; carbocyclic aryl; or aralkyl; or R<6> and R<7>, together with the nitrogen atom to which they are attached, are fused to form heterocyclic ring; Y is oxygen or sulphur; r is 1, 2 or 3; Q is methylene or carbonyl; R<8> is: alkyl or carbocyclic aryl; R<9> is: alkyl; cycloalkyl; carbocyclic aryl ; or aralkyl; R<10> is heterocyclic; and R<11> is alkyl); have valuable acaricidal, insecticidal and anthelmintic activities.
Patent HU-221351-B1 (HU)
Inventor: HANNA NABIL
IPC: C07K16/00
Filed: 1996-09-05
Abstract: A találmány tárgyát humán terápiában alkalmazható, CD4-re specifikusrekombináns ellenanyagok képezik, valamint ilyen ellenanyagokelőállítására alkalmas eljárások. ŕ
Patent JP-2905767-B1 (JP)
Title: 光部品
IPC: G02B6/32
Filed: 1998-02-09
Granted: 1999-06-14
Abstract: 【要約】
【課題】  部品点数を少なくし、小型化を可能にすると 共に、実装面積を小さくする。
【解決手段】  入射ファイバ１１１１ａの入射ポートと 出射ファイバ１１１１ｂの出射ポートとをファイバアレ イ１１１３で一体にし、このファイバアレイに対向して レンズ１１３１を挾んで反射材料である全反射ミラー１ １２１を配置し、全反射ミラーとレンズとの間に機能材 料である波長選択性フィルタ１１６１を配置し、入射ポ ートからレンズ１１３１に入った信号光は、このレンズ を通過して波長選択性フィルタ１１６１に入り、特定の 波長の光のみが通過して、それ以外のものは反射して出 射ファイバ１１１１ｂへ出力され、通過した特定の波長 の光は全反射ミラー１１２１で反射されて、再び波長選 択性フィルタ１１６１に入り、これを通過してレンズ１ １３１で集光されて出射ファイバの出射ポートから出力 される。
Patent JP-3061793-B1 (JP)
Title: 地下タンクの電蝕防止構造
IPC: C23F13/00
Filed: 1999-03-26
Granted: 2000-07-10
Abstract: 【要約】
【課題】  地下に漏洩する迷走電流を遮断して地下タン クの電蝕を防止することができると共に、製造及び施工 作業を容易に行うことができる地下タンクの電蝕防止構 造を提供する。
【解決手段】  コンクリート製の支持板１１の上面にア スファルト製の絶縁支持層１２を設ける。この絶縁支持 層１２の上面に地下タンク１３を設置する。この地下タ ンク１３を構成するタンク本体１４は、鉄製の底板１５ と円筒状の筒体１６とにより構成され、その筒体１７の 外周面には耐蝕層２０を形成する。又、タンク本体１４ の外周面から所定距離離れた位置に同心状にシールド部 材としての金網２５を配設する。この金網２５によって 地下に流れる迷走電流を捕捉し、タンク本体１４の迷走 電流による電蝕を防止する。
Patent JP-S4813333-B1 (JP)
IPC: H01M50/426
Filed: 1969-11-19
Abstract: 1286859 Coated sheet material E I DU PONT DE NEMOURS & CO 13 Nov 1969 [26 Nov 1968] 55726/69 Heading B2E [Also in Divisions C3 and D2] Cloth made from polyetrafluoroethylene is coated with a copolymer of tetrafluoroethylene and perfluoro(3,6-dioxa-4-methyl-7-octene sulphonic acid) by treatment with a solution of the copolymer in n-butanol.
Patent NL-2012882-B1 (NL)
Title: Boerderijsysteem voorzien van een draagbare unit.
Inventor: JAN ANNE KUIPERS
IPC: G06F3/01
Filed: 2014-05-23
Granted: 2016-03-15
Abstract: Boerderijsysteem voorzien van een draagbare unit die door een gebruiker kan worden gedragen voor het toevoeren van informatie aan de gebruiker, waarbij de draagbare unit is uitgevoerd als een projectie-eenheid die is ingericht om aan een hoofd (of arm) van een gebruiker te worden bevestigd en die is ingericht om de informatie te projecteren in tenminste een oog van de gebruiker.
Patent NL-2018807-B1 (NL)
Title: Adjustable size work chair, assembly comprising said chair and an adjustable size work table, method for assembling said chair and table, and use of the chair and the assembly
Inventor: THIERRY VAN TIL
IPC: A47C3/34
Filed: 2017-04-28
Granted: 2018-06-29
Abstract: The present invention concerns the field of adjustable size furniture, and more specifically adjustable size work chairs and assemblies comprising said chair and an adjustable size table. In particular, the invention provides an adjustable size work chair with predetermined seat heights and predetermined seat depths of the chair such that the seat height and the concomitant seat depth are adjustable to positions with a predetermined ratio between the seat height and depth. Moreover, the invention provides an assembly comprising the adjustable size work chair and an adjustable size work table. In addition, the invention provides a method for assembling the chair and the table. Furthermore, the invention provides the use of the chair and the assembly in a classroom or in an office.