baber/WOPTO huggingface dataset:
Patent ES-2465790-B1 (ES)
Title: Sistema robótico para la limpieza de cascos de barcos y otras superficies sumergidas
Inventor: LOPEZ PENA FERNANDO
IPC: B08B1/00
Filed: 2012-11-06
Granted: 2015-03-23
Abstract: Sistema robótico para la limpieza de cascos de barcos y otras superficies sumergidas.#La presente invención consiste en un robot que realiza la limpieza de superficies sumergidas, tanto curvas como planas, con cualquier orientación. Además, dicho robot es capaz de solventar cualquier obstáculo presente en las mismas, así como trasladarse a superficies dispuestas en distinto plano. Está caracterizado por tener dos módulos idénticos compuestos de una cámara de succión y de una carcasa, con capacidad para rotar una con respecto a la otra, y unidos mediante un brazo que permite movimientos relativos entre ellos.
Patent ES-2436853-B1 (ES)
Title: Dispositivo para la producción de haces monocromáticos de electrones y métodos para la calibración de detectores y medida del perfil de haces de electrones
Inventor: RODRÍGUEZ RUBIALES DANIEL
IPC: H01J49/44
Filed: 2012-05-30
Granted: 2014-12-29
Abstract: Dispositivo para la producción de haces monocromáticos de electrones y métodos para la calibración de detectores y medida del perfil de haces de electrones.#Se describe un dispositivo compacto para la producción de haces monocromáticos de electrones que hace posible un calibrado preciso de los detectores de radiación. El dispositivo objeto de la presente invención capta los electrones emitidos por una fuente de emisión {be} y los selecciona en función de su energía aplicando un campo magnético, en donde este campo varía con la intensidad de corriente suministrada a los electroimanes que lo producen. También se describen un método para la calibración de los detectores y un método para medir el perfil de haces de electrones que emplean el dispositivo mencionado.
Patent ES-2386179-B1 (ES)
Title: Compuestos derivados de uretanos y oligouretanos y procedimientos de fabricación de marcas al agua mediante la técnica de impresión offset y usos correspondientes
Inventor: ROCAS SOROLLA JOSEP
IPC: B41M3/06
Filed: 2012-06-13
Granted: 2013-05-08
Abstract: Compuestos derivados de uretanos y oligouretanos y procedimientos de fabricación de marcas al agua mediante la técnica de impresión offset y usos correspondientes.#Compuesto de fórmula general#**IMAGEN**#donde#R es un radical C{sub,6}-C{sub,16} 2-alquil-alquilo,#y#X es un radical procedente de isoforon diisocianato o trimetilhexametilen diisocianato. Con estos compuestos se elaboran composiciones que comprenden un primer compuesto de fórmula general (I), y, eventualmente, un segundo compuesto de fórmula general (I) de diferente peso molecular, y un disolvente no polar, como por ejemplo aceite mineral blanco. La composición puede incluir también un espesante, como por ejemplo óxido de silicio. Con estos compuestos y composiciones se pueden hacer marcas al agua sobre materiales laminares celulósicos o textiles mediante el sistema offset.
Patent ES-2486116-B1 (ES)
Title: ANTICUERPO FRENTE AL RECEPTOR OPIOIDE TIPO DELTA1b DE DANIO RERIO
Inventor: AREVALO MARTIN JUAN CARLOS
IPC: C12N15/12
Filed: 2013-02-14
Granted: 2015-05-20
Abstract: Anticuerpo frente al receptor opioide tipo Delta1b de danio rerio.#La presente invención proporciona anticuerpos, preferiblemente policlonales, específicos frente al receptor opioide tipo Delta1b de pez cebra, los cuales son capaces de reconocer dicho receptor específicamente sin presentar reactividad cruzada con otros tipos receptores opioides. Además, la invención proporciona un antígeno del receptor opioide tipo Delta1b de pez cebra empleado para la generación de dichos anticuerpos, así como un método de obtención de dichos anticuerpos y un kit que comprende dichos anticuerpos para la detección del receptor opioide tipo Delta1b de pez cebra.
Patent ES-2568352-B1 (ES)
Title: Procedimiento para firma digital, programa de ordenador, dispositivo y sistema correspondientes
Inventor: CORBELLA MONRAVA ANTONIO
IPC: H04L9/32
Filed: 2015-10-13
Granted: 2017-02-03
Abstract: Procedimiento para firma digital, programa de ordenador, dispositivo y sistema correspondientes. Partiendo de un documento digital, el procedimiento comprende los pasos de: generar un código identificativo de dicho documento digital a partir del contenido del documento digital, generar una imagen identificativa del documento digital a partir del código identificativo, generar una copia digital del documento digital, e insertar la imagen identificativa en la copia digital, generar una copia impresa de la copia digital que lleva insertada la imagen identificativa, entregar la copia impresa, mostrar la imagen identificativa en una pantalla de visualización que permite una interacción táctil, obtener una firma de un usuario mediante interacción táctil con la pantalla de visualización, generar una imagen de firma que comprende una representación digital de la firma sobre la imagen identificativa, e insertar la imagen de firma en el documento digital.
Patent ES-2628551-B1 (ES)
Title: Aparato refrigerador doméstico con un elemento de aseguramiento para el transporte
Inventor: GARCIA ASCUNCE EDUARDO
IPC: F25D25/02
Filed: 2015-11-20
Granted: 2018-05-18
Abstract: La invención hace referencia a un aparato refrigerador (1) doméstico con un contenedor interior (4) que delimita un espacio de alojamiento (5) para productos. El contenedor interior (4) comprende una pared posterior (6), dos paredes laterales (7, 8), una pared superior (9), y una pared inferior (10). El aparato refrigerador (1) doméstico comprende un elemento de aseguramiento para el transporte (11) configurado para mantener en su sitio al menos un elemento de equipamiento (12, 13, 14, 15) que está dispuesto dentro del contenedor interior (4). El elemento de aseguramiento para el transporte (11) está fijado a una de las paredes laterales (7) del contenedor interior (4) mediante al menos un saliente (22) que está encajado en un vaciado (19) correspondiente.
Patent ES-2595243-B1 (ES)
Title: Procedimiento de envasado de capsulas alimenticias y producto alimenticio envasado obtenido mediante el mismo
Inventor: RAMON REAL RAMON
IPC: B65B55/22
Filed: 2016-09-16
Granted: 2017-04-06
Abstract: Procedimiento de envasado de cápsulas alimenticias y producto alimenticio envasado obtenido mediante el mismo.# La presente invención se refiere a un procedimiento de envasado de cápsulas alimenticias que comprende las siguientes etapas: a) introducir en un envase que contiene un primer líquido cápsulas en cuyo interior hay una sustancia alimenticia; b) añadir un segundo líquido con una densidad menor que la del primer líquido de manera que la capa del segundo líquido en el envase tenga un grosor de al menos 0,5 cm; y c) proceder al tapado, etiquetado y embalado final del producto obtenido. Además, la presente invención se refiere al producto alimenticio obtenido mediante el procedimiento de la presente invención.
Patent JO-943-B1 (JO)
Title: Improvements in or relating to the recovery of uranium from process phosphoric acid
Inventor: AGUSTIN J BARREIRO
Filed: 1978-08-03
Granted: 1979-12-01
Abstract: IMPROVEMENTS IN OR RELATING TO THE RECOVERY OF URANIUM FROM PROCESS PHOSPHORIC ACID
Patent KR-810000137-B1 (KR)
Title: Rice planting machine
Inventor: NAKANO SEIJI
IPC: A01C11/02
Filed: 1974-01-01
Granted: 1981-02-19
Abstract: An instrument is fitted with an engine(2) at the front of the comparatively long pipe(1) and a main mission case with drive axle(13) at its both sides and a float(14) and planting drive case(8) at the end of the pipe around the upper end of the every pipes(1) a rice arranging reciprocating drive mission case in the shape of saddle.  Main mission case is connected to planting drive case(8) through every pipe(1) by coupling and by way of transmission to the rice arranging reciprocating drive mission case(5) by coupling.
Patent KR-790000346-B1 (KR)
Title: Production of n-(mercaptoacyl) amino acids
Inventor: OKUMURA SHIGEO
Filed: 1974-01-01
Granted: 1979-05-07
Abstract: N-(mercaptoacyl) amino acids having mol. formula RCH(SH)CONHCHR' (CH2)n Co2H(1) (R=ph, C6H4 -CIP, Me, H, R1=H, Me, PhCH2, Me2CHCH2, Ph, n=0,1,4) were prepd. Thus, RCHXCOX(11) (X, X1=halogen group) condensated with NH2CHR1 (CH2)nCO2H(III) gave RCHXCONHCHR1 (CH2)n CO2H(IV) in water or org. solvent contg. NaOH. TV was treated with thiobenzoic acid to give RCHMCONHCHR1 (CH2)nCO2 H(V) (M=S-contg. radical), and then V was hydrolyzed to give I. I exhibited various pharmacological activity against metabolic diseases.
Patent KR-790001491-B1 (KR)
Title: Automatic horizontal fillet welding apparatus
Inventor: INO KEIKO
IPC: B23K31/00
Filed: 1974-01-01
Granted: 1979-10-24
Abstract: In an automatic welding apparatus for welding both T type joints at a same time, the apparatus is symmetrically comprised of portal trolley(10), the gross-tracing rollers(34) that primarily trace the welding line of a vertical frame, the welding torch(5) proceeding the welding line of the tracing frame, the downward-facing tracting roller(11) which roll on the lower plate(2) and horizontal-tracing roller(12) which rolls on the standing plate.
Patent KR-790000926-B1 (KR)
Title: Process for preparing indolo benzazepine derivatives
Inventor: BASIL HEATH-BROWN
Filed: 1975-03-24
Granted: 1979-07-31
Abstract: Indolo benzazepines (I; R = Me or Et), useful as antimetal depressant, were prepd. by reduction of II and rejection of the coox group in urethane of III (X = lower alkyl). Thus, 1-[2-(N-ethoxycarbonyl-N-methylamino)-ethyl -1,2,6,7-tetrahydro-2-methylindolo[1,7-ab [1 -benzazepine 92.2g was heated with potassium hydroxide 50g and Et 450ml and extracted with ether to give trans-1,2,6,7-tetrahydro-2-methyl-1-(2-methylaminoethyl) indolo[1,7-aq [1 benzazepine.
Patent KR-800000689-B1 (KR)
Title: Process for the preparation of aniline derivatives
Inventor: HUBELE A
Filed: 1975-04-07
Granted: 1980-07-21
Abstract: Aniline derivs.(I, R1 = C1-4 alky1, alkoxy, halogen; R2 and R7 are H, C1-3 alky1, C1-4 alkoxy, halogen; R8 = H Me; X = -CH2- or IV; R3 = -COOR' or V; R',R" and R" are R''' are H, Me, Et; Y = -O-R4 = S1-R4; R4 = C1-6 alkyl, C3-6 alkenyl, alkinyl), useful as fungicide and plant growth regulator) were prepd. by acylating II with III. Thus, 100 g 2,3-dimethyl-6-ethy1 aniline, 223 g 2-bromopropionic methylester and 84 g sodium bicarbonate were reacted at 140≰C for 17 hr, and 11 g product and 6.5 g methoxyacetyl chloride were refluxed for 1 hr in DMF and toluene to give I.
Patent KR-800000538-B1 (KR)
Title: Process for the preparation of amino-pheny-ethynolamines
Inventor: KEOK J
IPC: C07C215/58
Filed: 1975-05-19
Granted: 1980-06-21
Abstract: Title compds. (I, R1 = H; R2 = F, C1-5 alkyl hydroxyalkyl, aminoalkyl, dialkylaminoalkyl, triflouromethylalkoxy, nitro, cyano, carboxy, carbalkoxy, earbamopyl; R3 or R4 = H, C1-6 alkyl, hydroxyalkyl, cycloalkyl, alkenyl, alkintl, substituted aralkyl)and their acid salts having pharmaceutical properties and suspected or protective activity against 6-acceptor were prepd. by dehalogenation of II(Hal = Cl, Br, I) in solvent such as Bz, toluene, MeOH with triphenylphosphine or H in the presence of hydrogenation catalyst.
Patent KR-820001654-B1 (KR)
Title: Steam hydrocarbon reforming catalysts
Inventor: KENTON ATWOOD
IPC: B01J23/74
Filed: 1977-05-06
Granted: 1982-09-15
Abstract: A hydrocrbon reforming catalyst comprising a cylindrical refractory support consisting of αAl2O3 having a surfacdarea<=15m2/g and>=2gas passages extending axially therethrough from one end to the other and a catalytically active amt.(e.g. 6-30%) of Ni or Co oxide. The catalyst has a relative Activity Coeff. Factor(ACFR) and a Relative pressure factor (PFR) in excess of that when compared to a std. ring. The ACFR is 1.15 and the ratio of ACFR to PFR is 1:1.25. The height(H) of support bearing a relation to the effective internal diam. of each gas passage(ID), the ratio of H:ID is<4:1. The catalyst has a peripheral rim, a centrally located hub.
Patent KR-820002237-B1 (KR)
Title: Termination construcition of a cable comprised of bundled tubes
Inventor: SCHWARTZE H
IPC: F16L39/00
Filed: 1978-09-19
Granted: 1982-12-03
Abstract: An end fitting for a pneumatic or hydraulic cable contg. a tube boudle includes a member (5) with a neck (6) shrink fitting about the bundle and a bottom plate from which a number of sleeves (4) extend.  One or more tubes (2) passes through each sleeve and the sleeves are shrink fitted around the tubes.  The fitting is pref. of optionally crosslinked polyolefin, crossinked PVC, polychloroprene, fluorine-contg. rubber or silicon rubber. A fleece ribbon of thermal insulation may be wrapped around the tubes within the sleeves, and bonding layers may supplement the shrink fit.
Patent KR-820002126-B1 (KR)
Title: Input transformer arrangement for use in a television receiver
Inventor: HOSOYA NOBUKAZU
IPC: H03H7/38
Filed: 1978-10-14
Granted: 1982-11-10
Abstract: This invention is intended to reduce the unbalanced signal appearing on the feed wire connected to the antenna such aim is achieved by suppress trans and impedence-transform trans which is connected to above trans.  Suppress transconsists of the same polarity and closely coupled first and second coil.  Impedence-transform trans consists of the center grounded single coil trans.  Both terminals of single-coil trans are connected to the output terminials of the first and second coil.
Patent KR-810002027-B1 (KR)
Title: Combined breaker size press coater
Inventor: DREHER G
Filed: 1978-11-30
Granted: 1981-12-15
Abstract: Paper web processing machine includes a breaker press with a nip between two smooth metal rolls for smoothing and laying down web fibers. The nip pressure is controlled and the web passes through a coating nip between one metal roll and a third roll immediately after the breaker nip for coating at least one web surface. One roll is pref. a chilled iron roll and the second, which forms also the coating nip, is a hollow shell with nip pressure control system and a stainless steel outer surface. Breaker nip pressure is pref. controlled by a fluid loading system giving a pressure of 0-400 lb./linear inch and the second nip pressure is controlled at 50-350 lb./in.
Patent KR-790001782-B1 (KR)
Title: Microbiological process for the preparation of lysine
Inventor: BAE CHONG CHAN
Filed: 1978-12-06
Granted: 1979-12-18
Abstract: Lysine was produced by seed-culturing Corynebacterium strain YJ-150 (KFCC-10014), which was resistant to-lysineanalog and needed homoserine as a nutrient source, on a nutrient broth for 24hr, followed by inoculation of 10% seed-sculture liquor on a main medium contg.  10% glucose, 2% (NH4)2SO4, 0,05% KH2PO4, 0.05% K2HPO4, 0.001% FeSO4, 300γ/l biotine, 200mg/l thiaminate, and then culturing at 32±1≰C pH 6.8-7.4 for 72hr with stirring.
Patent KR-830000677-B1 (KR)
Title: 신규 n-헤테로 싸이클-4-피페리딘아민의 제조 방법
IPC: C07D235/26
Filed: 1979-04-03
Granted: 1983-03-28
Abstract: 내용 없음.
Patent KR-830000847-B1 (KR)
Title: Method for manufacturing dried fish soluble
Inventor: KURIHARA YOSHINORI
IPC: A23L17/00
Filed: 1979-11-14
Granted: 1983-04-21
Abstract: Drum (dia.; 100-200 cm, thickness; 15-35 mm) was heated to obtain a surface temp. of 52-70≰C and circumferential speed was kept at 2-5 m/min. Softened fish on th surface of a roller was gelled, continuously transferred and dried to produce dried fish soluble. In fig. I, raw materials were dried at (10) and seasoning operation was carried out at 13 (17) represents a light heating apparatus.
Patent KR-840000088-B1 (KR)
Title: High activity catalyst for the polymerization of -olefins
Inventor: HOFF GLEN RICHARD
IPC: C08F4/02
Filed: 1979-12-29
Granted: 1984-02-10
Abstract: A highly active catalyst for polymerization of α-olefins is composed of an organic metal promotor, at least one of IVb, Vb, or VIb metal compd. (I), 2+ metal salt of phosphoric ester (II) contg. at least one of phosphoric ester gp. combined with metals through O or S, and hydrocarbon non-soluble solid composition produced by reaction of at least on of alkyl aluminum halide.  The atomic ratio of metals of (II) to (I) is about 0.05:1˜10:1 and an effective amt. of alkyl aluminum halide is used to halogenize metals of (I) and (II)
Patent KR-820000148-B1 (KR)
Title: Water cavity of micro-wave heating device
Inventor: RA J
IPC: H05B6/64
Filed: 1980-08-29
Granted: 1982-02-20
Abstract: This invention aims to protect microwave leakage from water cavity and waveguide(1) and also, for high efficient matching between waveguide and cavity to improve thermal efficiency.  In this cavity(10) which heats liquid with microwave, a window(2) is made on the plastic supporting board(8) through fixing PPO or Noryl Plastic round plate board(7) to the waveguide wall which is made of conductor like bronze or iron board with round-nut(9), and metal shield net is established to the liquid inlet of said cavity not to permit microwave leakage outward.
Patent KR-840001085-B1 (KR)
Title: Process for coating reactors using organic compound vapor application
Inventor: JONES RICHARD A
IPC: B08B17/02
Filed: 1980-09-09
Granted: 1984-08-01
Abstract: Build-up of polymer on the internal surfaces of a polymerization vessel for polymerizing ethylenic monomers is eliminated by (a) making a coating soln. of a material which initially is capable of resisting polymer build-up, (b) applying the coating material to the surfaces using satd. C1-8 hydrocarben carrier, and (c) conducting polymerization of the monomers while they are in constant contact with the coated internal surfaces. Pref. the monomer is vinyl chloride. The coating material is pref. present in the soln. in an ant. of 0.001-20 wt.%. The coating material could be, for examples, a polyaromatic amine.
Patent KR-820000844-B1 (KR)
Title: Catalytic composition for oxidation of ammonia
Inventor: KIM D
IPC: B01J23/889
Filed: 1980-12-16
Granted: 1982-05-17
Abstract: The catalyst increases mechanical strength & widens the range of available temp. and is inclined to supersede platinum catalyst maintaining continuance of catalyst function. Its catalytic composition for oxidation is Fe2O3-MA12O4-Bi2O3-Ce2O3. MA12O4, spinel structure, is used for a carrier and worked as a catalyst also. M in MA12O4 shows Mg, Ma, Ca, Br, Ba etc. Fe2O3 is used for for a main catalyst and Ce2O3 is worked as a stabilizer to maintain continuance of catalyst function. The carrier contains Fe2O3 10-40wt %, Bi2O3 3.5-6wt % Ce2O3 0.5-2wt%.
Patent KR-820001122-B1 (KR)
Title: Process for preparing n-alkenyl moranoline derivatives
Inventor: MASUMURA S
IPC: A61K31/445
Filed: 1981-09-04
Granted: 1982-06-26
Abstract: N-alkenyl moranoline derivs. ≮I; R1 = benzyl, benzol, acetyl; R = Ia, Ib (n = 1, 2, 3); X = halogen, alkylsulfonyloxy, arylsulfonyloxy≉, useful for inhibition of increasing blood sugar, were prepd. by reacting compd. (II) with active alkenyl compd. (R-X) in the unreactive solvent in the presence of deoxidizer followed by elimination of R1 group. Thus, anhydrous potassium carbonate 5.4g and isoprenyl bromide 5.4 g were added in DMF 20 ml soln. of tetra-o-benzyl moranoline 5.0 g, stirred at 60-70≰C for 4 hr, extracted with benzene, and then purified with benzene-ethyl acetate 1:1 mixed soln. to give compd. (I; n=1). (m.p. 140-142≰C).
Patent KR-870000881-B1 (KR)
Title: Frost detector for refrigerating apparatus
Inventor: KINOSHITA MINORU
IPC: G01N27/12
Filed: 1982-02-23
Granted: 1987-04-30
Abstract: A first siganl is generated when the electric current, flowing through the motor of the air blower for the air cooler, the value of which is adjusted with respect to the voltage variation across the motor and the air temperature change in the refrigerating chamber, reaches a threshold value propertional to the initial current corresponding to the state of not frost deposition. A second signal is generated when the difference between the air temperature in the chamber and the air cooler temperature reaches a threshold difference, which can be set at a desired level.
Patent KR-910002936-B1 (KR)
Inventor: WARGO ROBERT A
IPC: H04N5/21
Filed: 1982-04-06
Granted: 1991-05-10
Abstract: 내용 없음.
Patent KR-870001259-B1 (KR)
Title: Steel piece inspection using electronic beam
Inventor: OOSHIRO DAKEHIKO
IPC: G01N29/26
Filed: 1983-12-23
Granted: 1987-06-29
Abstract: The method comprises detecting both internal and surface defects by an angle beam inspection on the surface layer of a specimen using a phased array probe.  The projection on the surface of the estimated position of a defect located by the angle beam inspection is determined using the positional relation of the probe and the specimen, the incident angle of the ultrasonic beam, and the defect echo detecting time.  Surface defects only are detected using a surface defect inspection apparatus.
Patent KR-900003133-B1 (KR)
Title: Tape loading apparatus
Inventor: KOUDA KAZUO
IPC: G11B15/665
Filed: 1984-02-14
Granted: 1990-05-08
Abstract: An automatic tape loading type recording and/or reproducing apparatus comprising: a guide drum having at least a pair of heads for recording and/or reproducing an information signal onto and/or from a tape; tape guide means for guiding the tape so that the tape is wrapped around a peripheral surface of said guide drum, by moving to a predetermined position while intercepting the tape and drawing the tape out of a tape cassette which is loaded within the apparatus; a ring-shaped body disposed so as to generally encompass said guide drum in a plan view, for moving said tape guide means in one direction up to the predetermined position from an original position by undergoing a rotation to a second position from a first position.
Patent KR-910005850-B1 (KR)
Inventor: IRIKURA SZUTOMU
IPC: A61P31/10
Filed: 1984-07-12
Granted: 1991-08-05
Abstract: 내용 없음.
Patent KR-880001365-B1 (KR)
Title: Test method for acetylene cylinders
Inventor: BLACKBRUN PHILIP RICHARD
IPC: G01N29/04
Filed: 1984-07-27
Granted: 1988-07-28
Abstract: The method includes providing a cylinder having solidified sensors to the cylinder capable of sensing acoustic emission counts generated during pressurisation of the cylinder.  The cylinder is pressurised with a fluid to a desired pressure to generate acoustic emission counts.  A relationship of emission counts generated during pressurisation is established as a function of increasing pressure. A determination is made of whether the relationship of acoustic emission counts to pressure is linear.  On the basis of the determination the integrity of the filler material within the cylinder is established.  The filler material may comprises slica, lime and asbestos.
Patent KR-870000404-B1 (KR)
Title: Process for preparing enteric coating solution
Inventor: MUKOYAMA HIDEAKI
IPC: A61K47/38
Filed: 1984-08-29
Granted: 1987-03-09
Abstract: Enteric coating soln. was obtd. by dissoln. (or dispersion) of alk. metal acid-salts(acid dissociation const., pKa, is up 3 at 25≰C) and water-insoluble oxycarbonic acid-type cellulose derivs. (as major constits.) in water or alcoholic aq. soln. (below 20 wt.% of C1-3 lower alcohol content). Cellulose derivs. are i.e. carboxy alkyl methyl cellulose(C1-5 alkyl) or carboxy alkyl ethyl cellulose dispersed by 5-30 wt.% to prepg. liquid.
Patent KR-890001409-B1 (KR)
Title: Muffler for exhaust gas from internal combustion engine
Inventor: TANAKA HIDEHARU
IPC: F01N1/02
Filed: 1985-03-19
Granted: 1989-05-02
Abstract: The exhaust gas silencer includes a casing (2) having an inlet (1), an outlet (4) and a cylindrical sound-absorbing body. The body comprises a perforated pipe (3), a cylindrical soundabsorbing material (15) surrounding the pipe, and a thin film (9) disposed between the pipe and the material.  The gas pressure is balanced between the space surrounding the material and the space surrounded by the pipe, the film and the material.  The body is positioned within the casing to cause the gas flowing from the inlet to the outlet to pass through the pipe.  Gas expansion chambers (16,17) in the casing are prepared to cause gas passing from the inlet to the outlet to enter at least one of the chambers.