baber/WOPTO huggingface dataset:
Patent ES-2258005-T3 (ES)
Title: Ent-esteroides como estrogenos de accion selectiva.
Inventor: SCHWARZ SIEGFRIED
IPC: A61K31/567
Filed: 2000-04-17
Granted: 2006-08-16
Abstract: Ent-Esteroides, a saber ent-Estriol ent-Estriol-3-sulfamato ent-Estriol-3-(N-acetil)sulfamato ent-Estriol-3, 16, 17-tripropionato ent-Estrona-3-sulfamato ent-Estrona-3-(N-acetil)sulfamato ent-Estradiol-3-sulfamato ent-Estradiol-3, 17-disulfamato ent-Estradiol-3-(N-acetil)sulfamato ent-Estradiol-3, 17-bis(N-acetil)sulfamato ent-Estrona-(N-propionil)sulfamato ent-Estradiol-3-(N, N-dimetil)sulfamato ent-Estradiol-3-(N, N-dietil)sulfamato ent-Estradiol-3-pirrolidinosulfonato ent-Estradiol-17-valerianato ent-Estradiol-17-decanoato ent-3, 17â-Dihidroxi-estra-1, 3, 5(10)-trien-2-il-sulfa- mato ent-16á-Hidroxi-17-oxo-estra-1, 3, 5(10)-trien-3-il- sulfamato ent-16á-Hidroxi-3-metoxi-estra-1, 3, 5(10)-trien-17-ona ent-Estra-1, 3, 5(10)-trieno-3, 16á-diol ent-3-Metoxi-estra-1, 3, 5(10)-trieno-16á, 17â-diol ent-2-Metoxi-estra-1, 3, 5(10)-trieno-3, 17â-diol ent-17â-Hidroxi-14á, 15á-metilen-estra-1, 3, 5(10)-tri- en-3-il-(N-acetil)sulfamato ent-14á, 15á-Metilen-estra-1, 3, 5(10)-trieno-3, 17â-diol ent-14â, 15â-Metilen-estra-1, 3, 5(10)-trieno-3, 17â-diol ent-14á, 15á-Metilen-estra-1, 3, 5(10), 8-tetraeno-3, 17á- diol ent-17á-Hidroxi-14á, 15á-metilen-estra-1, 3, 5(10), 8- tetraen-3-il-(N-acetil)sulfamato ent-14â, 15â-Metilen-estra-1, 3, 5(10), 8-tetraeno-3, 17â- diol ent-16á-Hidroxi-estra-1, 3, 5(10)-trien-3-il-sulfamato ent-16á-Hidroxi-estra-1, 3, 5(10)-trien-3-il-benzoato ent-3-Hidroxi-estra-1, 3, 5(10)-trien-17á-il-undecano- ato ent-17â-Hidroxi-estra-1, 3, 5(10), 8-tetraen-3-il-sulfa- mato ent-17â-Hidroxi-estra-1, 3, 5(10), 8-tetraen-3-il-(N- butiril)sulfamato ent-Estra-1, 3, 5(10), 8-tetraeno-3, 17á-diol ent-Estra-1, 3, 5(10), 8-tetraeno-3, 17â-diol ent-Estra-1, 3, 5(10), 9(11)-tetraeno-3, 17â-diol ent-Estra-1, 3, 5(10), 7-tetraeno-3, 17â-diol ent-Estra-1, 3, 5(10), 7-tetraeno-3, 17á-diol ent-17â-Hidroxi-estra-1, 3, 5(10), 7-tetraen-3-il-sulfa- mato ent-Estra-1, 3, 5(10), 6-tetraeno-3, 17â-diol ent-Estra-1, 3, 5(10), 6, 8-tetraeno-3, 17â-diol ent-Estra-1, 3, 5(10), 6, 8-tetraeno-3, 17á-diol ent-Estra-1, 3, 5(10), 8, 14-pentaeno-3, 16â-diol-3-buti- rato ent-Estra-1, 3, 5(10), 8, 14-pentaeno-3, 17á-diol ent-7á-Metilestra-1, 3, 5(10)-trieno-3, 17â-diol ent-9á-Metilestra-1, 3, 5(10)-trieno-3, 17â-diol ent-9á-Etilestra-1, 3, 5(10)-trieno-3, 17â-diol ent-11â-Fluoroestra-1, 3, 5(10)-trieno-3, 17â-diol ent-Estra-1, 3, 5(10)-trieno-3, 16â-diol.
Patent ES-2312360-T3 (ES)
Inventor: BUTLER KARLENE H
IPC: A01H1/00
Filed: 2000-08-30
Granted: 2009-03-01
Abstract: This invention relates to an isolated nucleic acid fragment encoding a reproduction protein. The invention also relates to the construction of a chimeric gene encoding all or a portion of the reproduction protein, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the reproduction protein in a transformed host cell.
Patent ES-2265969-T3 (ES)
Title: Estructura acustica para edificacion.
Inventor: LECONTE ALAIN
IPC: E04B1/86
Filed: 2000-08-24
Granted: 2007-03-01
Abstract: Estructura acústica de edificio destinada a ser fijada sobre el armazón (40) de un edificio y que comprende al menos un primer conjunto acústico (1) que comprende un panel de lana mineral (20), un elemento portador (10) del citado panel de lana mineral que consiste en un par de perfiles inferior (11) y superior (12) espaciados un paso p, que comprenden cada uno un alma respectiva (13, 14) enfrente una de otra, y un ala respectiva (15, 16) plegada perpendicularmente al alma asociada, estando las alas en un mismo plano y dirigidas una hacia al otra, y estando el panel de lana mineral (20) alojado entre las almas (13, 14) de los perfiles (11, 12), así como un panel portador rígido (30) fijado contra las caras externas de las alas (15, 16) de los perfiles, comprendiendo el perfil superior (12), del otro lado del alma (14), paralelamente y en una dirección opuesta al ala (16), una segunda ala (16a) destinada a la fijación del conjunto acústico (1) contra el armazón (40) del edificio, caracterizada porque el perfil inferior (11) comprende paralelamente y en dirección opuesta al ala (15) una pestaña de ensamblaje (17) y el perfil superior (12) comprende una garganta (18) que une el alma (14) al ala de fijación (16a), estando la pestaña de ensamblaje (17) del perfil inferior de un segundo conjunto acústico destinado a ensamblarse con el primer conjunto, destinada a cooperar por encaje con la garganta (18) del perfil superior del primer conjunto.
Patent ES-2279780-T3 (ES)
Inventor: KAMODA HIROYOSHI KOMORI CORPOR
IPC: B41F33/00
Filed: 2001-04-05
Granted: 2007-09-01
Abstract: A quality inspection apparatus for a double-sided printing machine which includes a rubber impression cylinder (2) and a rubber cylinder (3) for printing opposite faces of paper; inking units (6, 7) for supplying ink to the rubber impression cylinder (2) and the rubber cylinder (3), inking units (6, 7) being supported to be brought into contact with and separated from the rubber impression cylinder (2) and the rubber cylinder (3); and a transport mechanism for transporting the printed paper to a delivery unit (16) while holding the same. The transport mechanism includes a first delivery chain (17) passing through a lower side of the inking units (6, 7), first through third transport cylinders (18-20) for transporting the paper from the first delivery chain (17), and a second delivery chain (22) for transporting the paper from the first through third transport cylinders (18-20). The quality inspection apparatus includes an inspection camera (25) for detecting a status of printing on one face of the paper when transported by the first transport cylinder (18), and an inspection camera (27) for detecting a status of printing on the other face of the paper when transported by the second transport cylinder (19). <IMAGE>
Patent ES-2194806-T3 (ES)
Inventor: MATEINA LUDGER
IPC: E03C1/05
Filed: 2001-04-14
Granted: 2003-12-01
Abstract: The device has a mixer (7) in the water feed and an electronic controler (11) with interfaces to connect at least one input and output device(12,12'), a temperature sensor (13) and fill detector (14). The mixer has a valve block (16) with separate inlets for cold and hot water, a mixed water channel with a mixed water outlet and valve chambers for rotary valves with rotary valve bodies.
Patent ES-2246978-T3 (ES)
Title: Preparacion de 3,3-dimetilbutiraldeido mediante oxidacion de 3,3 dimetilbutanol.
Inventor: PRAKASH INDRA
IPC: C07C45/29
Filed: 1998-08-04
Granted: 2006-03-01
Abstract: Un método para preparar 3, 3-dimetilbutiraldehído que comprende la etapa de poner en contacto 3, 3-dimetilbutanol con un óxido metálico oxidante durante un tiempo y a una temperatura suficiente para que dicho óxido metálico reaccione con, y por tanto oxide a, dicho 3, 3- dimetilbutanol para formar 3, 3-dimetilbutiraldehído, estando dicho óxido metálico seleccionado del grupo que consiste en óxido de cobre (II), pentóxido de vanadio, dióxido de manganeso, óxido de níquel (IV) y dióxido de rutenio.
Patent ES-2302711-T3 (ES)
Inventor: ZAPPA ROBERTO DR-ING
IPC: E05D15/06
Filed: 2001-12-21
Granted: 2008-08-01
Abstract: Sliding device for door leaves (10) of elevators, which is fitted in the region of one or both of the upper and/or lower guides for the movement of opening and closing of the door leaves, wherein the sliding device comprises at least one linear sliding bearing (22, 22') or a linear ball bearing (33, 35). <IMAGE>
Patent ES-2309035-T3 (ES)
Inventor: GOODBURN MARK
IPC: H04N5/44
Filed: 2001-01-12
Granted: 2008-12-16
Abstract: Electrical apparatus for processing received digital data into audio and/or video formats for listening via speakers and/or viewing via a display screen connected to the apparatus. The apparatus includes a memory means in which said received data can be stored for subsequent selective access by the user of the apparatus. The apparatus is provided with a display panel (2) and the panel and/or the display screen includes a plurality of light sources (6) and the illumination or non-illumination of the light source is controlled to indicate the selected mode of operation of the memory so as to provide a visual indication of the same to the user, and, if active, the illumination or non illumination of the light sources (6) is determined by the particular active mode of the memory.
Patent ES-2211735-T3 (ES)
Title: Maquina flejadora.
Inventor: BOBREN ALLAN J
IPC: B65B13/18
Filed: 2001-06-06
Granted: 2004-07-16
Abstract: Una máquina flejadora que tiene una caja acumuladora del fleje de limpieza fácil, que comprende una carcasa (10) de la máquina flejadora; un recorrido del fleje; y una caja (12) acumuladora del fleje, definida debajo de dicho recorrido del fleje, caracterizada porque dicha caja acumuladora (12) del fleje comprende: un ensamblado inferior (14) y una palanca (16) de liberación del ensamblado; estando dicho ensamblado (14) inferior fijado rotacionalmente a dicha carcasa (10) de la máquina flejadora, de forma que tras la operación de dicha palanca (16) de liberación, dicho ensamblado inferior (14) podrá ser rotado hasta una posición abierta y dicha caja acumuladora podrá ser limpiada del fleje.
Patent ES-2290105-T3 (ES)
Inventor: CAPRIOTTI LUIGI
IPC: B60J1/00
Filed: 2001-06-01
Granted: 2008-02-16
Abstract: A glazing (1) is provided comprising a glass sheet (2) with a member (3, 4) bonded to it by adhesive which is provided on at least two discrete areas (22, 32) of the member or glass sheet. The adhesive may be a structural adhesive, pre-applied in tablet form, and activated by heat. The use of multiple discrete areas of adhesive allows differential thermal expansion to be accommodated. The glazing may be for a vehicle window, and the member may be a plate, especially a mounting plate for ancillary equipment.
Patent ES-2245975-T3 (ES)
Inventor: RAAD BERNARD A
IPC: H02K19/38
Filed: 2001-01-30
Granted: 2006-02-01
Abstract: The invention comprises a retarder system for use with road vehicles. The retarder system discloses an improved vehicular retarder which incorporates the use of a PMG Gear ratio which permits use of a permanent magnet generator on a secondary shaft that is coupled by the gear ratio to a drive train.
Patent ES-2286111-T3 (ES)
Title: Composiciones para el tratamiento de cuero que contienen dispersiones acuosas de polimeros filmogenos en ausencia de disolvente organico.
Inventor: BIVER CLAUDINE
IPC: C08F265/06
Filed: 2001-03-20
Granted: 2007-12-01
Abstract: Composición acuosa para el tratamiento del cuero comprendiendo: (a) una dispersión acuosa de partículas de múltiples fases de polímeros en la cual las partículas de polímero comprenden por lo menos dos fases distintas: - una primera fase interna formada por un polímero P1 de carácter blando que tiene una temperatura de transición vítrea (Tg1) inferior a 20°C, y - una segunda fase externa formada por un polímero P2 de carácter duro que tiene una temperatura de transición vítrea (Tg2) superior a 60°C y que puede contener monómeros funcionales reactivos, el polímero P2 duro estando injertado sobre el polímero P1 blando directamente o por la introducción sobre este último de restos de motivos monómeros, el polímero P1 teniendo una hidrofobia superior a aquella del polímero P2; (b) eventualmente por lo menos un agente reticulante que reacciona sobre los monómeros funcionales de la fase externa, la cantidad de agente reticulante (b) estando comprendida entre el 0 y el 20% en peso con relación alpeso de la dispersión (a); (c) eventualmente por lo menos otro látex acrílico, poliuretano o poliuretano acrílico; (d) eventualmente por lo menos un aditivo; el contenido en materia activa total de dicha composición estando comprendida entre el 5 y el 30% en peso.
Patent ES-2239675-T3 (ES)
Title: Metodo y dispositivo para el tratamiento por radiacion de materiales de fluoropolimero.
Inventor: KORENEV SERGEY ALEXANDROVICH
IPC: C08F2/50
Filed: 2001-07-23
Granted: 2005-10-01
Abstract: Un método para irradiar un material de fluoropolímero, caracterizado por: la eliminación del oxígeno y de los gases que contienen oxígeno de una zona de irradiación (14, 50) para crear un entorno desprovisto de oxígeno y de gases que contienen oxígeno; el paso del material de fluoropolímero a través de la zona de irradiación; el pulsado a intervalos de un haz de electrones acelerados a través de la zona de irradiación, proporcionando así unos periodos alternos de irradiación y enfriamiento del material de fluoropolímero y la reorientación del material de fluoropolímero con campos magnéticos o electromagnéticos procedentes de imanes o de bobinas electromagnéticas montados de forma contigua a la zona de irradiación.
Patent ES-2273869-T3 (ES)
Title: Producto de patata deshidratados.
Inventor: MARTINEZ-SERNA VILLAGRAN MARIA
IPC: A23L19/12
Filed: 2001-07-23
Granted: 2007-05-16
Abstract: Un método para preparar una patata frita a la inglesa fabricada, que comprende las etapas de: i) Preparar productos de patata deshidratados mediante el método que comprende: a) cocer las patatas hasta una dureza de aproximadamente 0, 64 N a 5 N (65 gf a 500 gf) para formar patatas cocidas; a) triturar las patatas cocidas para formar un puré húmedo; b) deshidratar el puré húmedo para formar productos de patata deshidratados; en donde al puré húmedo se añade de 0, 5% a 50%, en peso basado en el puré seco, de almidón natural antes de la etapa de deshidratación; y ii) mezclar de 35% a 85% de una harina basada en almidón con 15% a 50% en peso de agua de adición, en donde la harina basada en almidón comprende de 25% a 100% de productos de patata deshidratados de la etapa i) para formar una masa; iii) conformar la masa en una lámina; iv) conformar la lámina de masa en trozos de aperitivo de un tamaño y forma predeterminados; y v) cocinar los trozos de aperitivo hasta que queden crujientes.
Patent ES-2246337-T3 (ES)
Inventor: LOPEZ LACOMBA JOSE LUIS
IPC: A61L27/34
Filed: 2001-08-10
Granted: 2006-02-16
Abstract: The method comprises, in general, the formation of a chitosan based film, the stabilization of said film and the activation of the cell adherence capacity by means of drying the stabilized and washed film. Additionally, the film may be biologically activated by means of fixing with a substance with biological activity. The films obtained have an increased cell adherence capacity, and, optionally, are biologically activated. These films may be used to induce a biological activity in a recipient organism, and/or for enhancing the osteointegration of implants of dental or traumatologic use and/or for regenerating osseous tissue.
Patent ES-2228983-T3 (ES)
Inventor: TRESPIDI LAURA
IPC: A61K9/14
Filed: 2001-12-18
Granted: 2005-04-16
Abstract: The invention relates to nitrate active steroid and pharmaceutical formulation thereof for use as anti-inflammatory agent.
Patent ES-2332649-T3 (ES)
Inventor: BONNABAUD MARIE-CLAUDE
IPC: A44C25/00
Filed: 2001-12-18
Granted: 2010-02-10
Abstract: A resonance uncoupling device is made up of at least one complex of colloidal systems in a dispersed phase. The colloidal systems are made up of polymers treated by at least one generator of specific waves and given a cadence with an amplitude weaker and a frequency higher than those of electronic equipment.  An Independent claim is also included for a method for the production of this resonance uncoupling device.
Patent ES-2257486-T3 (ES)
Inventor: MEDERNACH CHRISTOPHE
IPC: G01N21/88
Filed: 2002-05-28
Granted: 2006-08-01
Abstract: For optically inspecting the contents of blister packages 10 by means of image recognition, an illumination device is used which takes the form of a chamber 30 of which all interior walls are provided with sheet-shaped electroluminescent capacitors 32. These capacitors provide an extremely uniform, diffuse illumination so that reflections, which occur specifically with aluminium blister sheets and impair the image recognition, are largely avoided. <IMAGE>
Patent ES-2239695-T3 (ES)
Inventor: WEBER CLAUDIA
IPC: B65D71/12
Filed: 1995-06-13
Granted: 2005-10-01
Abstract: A top-gripping article carrier for engaging and supporting an article at a neck thereof, comprising a base wall (210) having a bottle neck-receiving aperture; a pair of side walls upstanding respectively from opposite side edges of the base wall (210). The side walls are foldably joined at lower edges thereof to the base wall (210), the side walls being provided respectively with hand apertures (234,246). Each of the hand apertures (234,246) is disposed astride the lower edge of respective one of the side walls and extending into the base wall (210). There further comprises means for downwardly displacing a part of the base wall (210) relative to the side walls in response to introduction of an article neck into the neck-receiving aperture such that the vertical size of the each hand aperture (236,246) is increased to provide additional hand room. A portion of each hand aperture (236,246) in the respective side wall can be of a minimal size for accommodating a finger and the downwardly displacing means comprises a flap (278,280,282,284) struck from the base wall (210) so as to define the neck-receiving aperture. <IMAGE>
Patent ES-2321163-T3 (ES)
Title: Bolsa de recuperacion de muestras mejorada.
Inventor: CONLON SEAN P
IPC: A61B17/00
Filed: 2002-06-28
Granted: 2009-06-03
Abstract: Un instrumento quirúrgico (20) para la retirada de material biológico de un paciente, comprendiendo el instrumento quirúrgico (20): a) una bolsa (75) de recuperación de muestras que tiene una pared flexible (79), un extremo cerrado (77) y un extremo abierto (76), permitiendo dicho extremo abierto (76) la recepción de materiales biológicos en su interior; y b) un lazo de apriete (96) adyacente a dicho extremo abierto (76) estando dicho lazo de apriete (96) adaptado para estrangular dicho extremo abierto (76) para cerrar sustancialmente dicho extremo abierto (76); y caracterizado por: c) unas primera y segunda filas (85, 90) de áreas flexibles y rígidas alternadas situadas sobre dicha pared (79) a ambos lados de dicho lazo de apriete (96), en el que dichas áreas flexibles situadas sobre dicha primera fila (85) están al tres bolillo a partir de dichas áreas flexibles situadas sobre dicha segunda fila (90).
Patent ES-2242019-T3 (ES)
Inventor: HAMSTRA PETER
IPC: B21D26/02
Filed: 2002-05-01
Granted: 2005-11-01
Abstract: A method of forming a bottle-shaped or other contoured metal container by subjecting a hollow metal preform having a closed end to internal fluid pressure to cause the preform to expand against the wall of a die cavity defining the desired shape, and advancing a punch into the die cavity to displace and deform the closed end of the preform after expansion begins but before it is complete. The pressure-subjecting step is performed by simultaneously subjecting the preform in the die cavity to independently controllable internal and external positive fluid pressures and varying the difference between them to control strain rate.
Patent ES-2367786-T3 (ES)
Inventor: SCHUESSLER DAVID
IPC: A61B17/00
Filed: 2002-07-17
Granted: 2011-11-08
Abstract: A rotational molding system for molding a polymer shell for a medical article, comprises: a multi-axis rotational molding machine (50); a mold (100) mounted to rotate about at least two axes within the molding machine wherein the interior of the mold defines a cavity (11,21) in the desired shape of the medical article to be molded; and a mold liner coating the mold cavity and having a seamless inner surface, the mold liner being formed by introduction of a liner material within the mold and operation of the molding machine to uniformly coat the cavity. A polymer shell for a medical article may be molded within the inner surface of the mold liner so as to have a seamless external molded surface defined by the mold liner inner surface.
Patent ES-2248585-T3 (ES)
Inventor: HARRISON IAN AUSTIN
IPC: B25B13/20
Filed: 2002-08-22
Granted: 2006-03-16
Abstract: The present invention relates to an adjustable spanner ( 2 ) having a first fixed jaw ( 4 ) and a second moveable jaw ( 8 ). The second jaw ( 8 ) can be locked in fixed relation to the first jaw ( 4 ) by a locking means ( 16 ). This locking means ( 16 ) is moveable between a first position in which the second jaw ( 8 ) is fixed in relation to the first jaw ( 4 ) and a second position in which the second jaw ( 8 ) is permitted to move with respect to the first jaw ( 4 ).
Patent ES-2268115-T3 (ES)
Inventor: FINKE ANJA
IPC: C11B9/00
Filed: 2002-10-14
Granted: 2007-03-16
Abstract: The present invention relates to novel mixtures of macrocyclic musk fragrances, the use of these mixtures in fragrance compositions and perfumed products containing these mixtures.
Patent ES-2288196-T3 (ES)
Inventor: DEL FABRO GIORGIO
IPC: B21D43/28
Filed: 2002-11-25
Granted: 2008-01-01
Abstract: Bending machine ( 10 ) to obtain shaped elements from pre-cut profiles ( 11 ), equipped with a drawing assembly ( 14 ) which draws the profiles ( 11 ), first shearing means ( 13 ) arranged downstream of the drawing assembly ( 14 ) and bending means ( 12 ) arranged downstream of the first shearing means ( 13 ). Downstream of the bending means ( 12 ) are arranged second shearing means ( 15 ) to eliminate the terminal segments of the profiles ( 11 ) corresponding to the difference between the linear development of the shaped element to be produced and the length of the pre-cut profiles ( 11 ).
Patent ES-2292856-T3 (ES)
Inventor: KRISHNAN RAMASAMY
IPC: C09D11/02
Filed: 2002-12-23
Granted: 2008-03-16
Abstract: A water-based lithographic ink composition is described, and contains water, a resin-bonded pigment; a nonionic surfactant, a rewetting agent, and a polymerizable surfactant. The nonionic surfactant is present in an amount such that the dynamic surface tension of the total composition is about 20 to about 40 dynes/cm. The polymerizable surfactant is present in an amount of about 0.5% by weight to about 2% by weight of the composition. The ink composition may also contain other, conventional ink component, as desired.
Patent ES-2280659-T3 (ES)
Title: Mecanismo de guia para cajon.
Inventor: COVELLA NICOLA
IPC: A47B88/12
Filed: 2003-09-18
Granted: 2007-09-16
Abstract: Un cajón (7) para un disposición (1) de almacenamiento vertical automatizado que comprende un bastidor (2) de soporte, y una primera y segunda columna (5) de soportes (6) sustancialmente horizontales; proyectándose los soportes (6) en cada columna (5) de soportes hacia los soportes en la otra columna (5) de soportes, y estando espaciados verticalmente con un espaciado (P) constante para definir cada uno una guía de deslizamiento para dicho cajón (7); comprendiendo el cajón (7): - un cuerpo (8) hueco intermedio que define una cavidad para alojar artículos para almacenamiento; - al menos dos patines (11) ubicados en lados laterales opuestos de dicha cavidad y discurriendo cada uno a lo largo de un soporte (6) respectivo, estando definido cada dicho patín por una primera parte (11) de un cuerpo (10) monolítico respectivo separado de dicho cuerpo (8) hueco intermedio; y - medios (23) de bloqueo para conectar cada dicho cuerpo (10) monolítico a dicho cuerpo (8) hueco intermedio; y que se caracteriza - por comprender también, para cada dicho patín (11), un asa (12) de agarre respectivo con el que mover el cajón a lo largo de dichos soportes (6), y - porque cada dicho patín (11) tiene una superficie (21) de deslizamiento respectiva y al menos una segunda (22) superficie de deslizamiento respectiva, que son paralelas entre sí, están espaciadas transversalmente mediante una distancia igual a una fracción de dicho espaciado (P), y pueden conectarse selectivamente en el mismo soporte (6) para variar, en uso, la distancia entre cajones (7) adyacentes