baber/WOPTO huggingface dataset:
Patent ES-339682-A1 (ES)
Title: Method and apparatus for liquid transfer
IPC: B01J4/00
Filed: 1967-04-24
Abstract: In liquid transfer apparatus for transferring liquid from a first to a second tank a priming vessel is first connected to and filled with liquid from the first tank and subsequently liquid is drawn through the priming vessel and discharged into the second tank. In the first embodiment shown in Fig. 1 the priming vessel a is evacuated by an ejector p supplied with water by a pump r from a reservoir S so that liquid is drawn in from tank f. At a level determined by a float switch U the valves h, l, m, k are operated, pump r is stopped and the pump g is operated to draw liquid from tank f through the vessel a and discharge it to the tank i which may be vented back to tank f. When tank f has been emptied the pump r is started by float switch b so that vacuum is applied to pipes d, I while they are being disconnected. In a second embodiment Fig. 1a (not shown) the pump g is mounted within the vessel a. In a third embodiment Fig. 2 the pump 105 is mounted in the priming vessel 100 and by circulating residual liquid 104 through an ejector 111 liquid is drawn from a tank 103 into the vessel 100, air being discharged at 106. Subsequently valves are closed by switch 117 and the pump 105 pumps liquid from the tank 103 to the tank 109. In a further embodiment Fig. 3 (not shown) the arrangement is similar to that of Fig. 1 but the discharge pump is that described in Specification 1,094,818 and the apparatus is used to inject lead alkyl from a tank 19 into a gasoline line 31 in quantities measured by the pump which first empties the tank 19 into tank 32 and subsequently pumps from 32 into the line 31. Alternatively it may pump from tank 19 directly to the line 31.
Patent ES-340018-A1 (ES)
Title: Production of Ingots by Electroslag Remelting Processes
IPC: C22B9/18
Filed: 1967-04-29
Abstract: In a method of electroslag refining ingots of steel or other metal a tablet 5 is placed in the region of the tip of the electrode 1 before the start of refining, said tablet comprising ingredients which react exothermically when fired and which burn to yield a slag which is suitable for refining the metal of the electrode. The tablet may be in the form of a block or disc having a central hole for admitting a primer plug for initiating the firing of the starter tablet 5 and may include within the body of the tablet a wire mesh (Figs. 1-4, not shown) that may pass the initial starting current and form an alloying constituent, e.g. nickel, of an ingot. Slag and flux is added to the slag formed by the melting of the tablet 5 and may be present, for example, when forming an ingot in a mould 1 having a water-cooled copper base 3 and metal starting plate 4, in the form of a sleeve 7 that melts during the refining process. The exothermically reacting ingredients of the tablet 5 comprise a substance selected from aluminium, magnesium and calcium silicide and an oxidizing agent selected from iron oxides, alkali metal nitrates, chlorates and per-chlorates and ammonium perchlorate. Numerous examples are given of compositions for the tablet to meet specific requirements of slag and flux formation including binders, organic or inorganic, used in mixing, moulding, and curing the tablets. Specific examples are given for the materials used in making the sleeve 7, which may be of four types cured, sintered or calcined, cast, or exothermic. Examples of materials used in the composition of the tablet are fluorspar, powdered aluminium, potassium nitrate, iron millscale, sodium fluoride. Magnesium powder may be used with varying proportions of aluminium to yield fluorspar/magnesia/alumina fluxes. In electroslag welding a suitable slag comprises manganese oxide, silica, alumina, fluorspar, sodium fluoride and either titanium dioxide, potassium oxide or sodium oxide. An exothermic composition for electroslag welding comprises manganese dioxide, calcium silicide, powdered aluminium, potassium nitrate and sodium fluoride.
Patent ES-340517-A1 (ES)
Title: Pneumatic conveyor system storage and transport cell
IPC: B65G51/06
Filed: 1967-05-13
Abstract: A pneumatic conveyer system storage and transport cell 1 comprises a tubular centre section 3 made of a plastic selected from the group consisting of rubber resin polymers, polycarbonates, polysulphone, polyphenylene oxide and polyacetals, and two end covers 2, 4 made of an impact and wear resistant polymeric material selected from the group consisting of nylon having a 1À5% or less moisture absorption at 50% relative humidity and polytetrafluoroethylenes (e.g. 6À10 nylon), in which at least one of the end covers is removably mounted on the centre section. The latter having a rectangular cross-section, is provided with grooves 5 moulded integrally in opposite walls, for receiving film or tape data chips. Grooves 15 on opposite walls and a ledge 8 around three sides of the section 3, provide a seating on to which the cover 2 is slid transversely of the section 3, raised bars 16 on the cover engaging the grooves 15. When in position, the covers 2, 4 project beyond the walls of the centre section 3 to receive all the wear during transportation through the pneumatic tube. The cover 2 is spring locked in position on the section 3, which spring may be released by contact therewith through an aperture 29 in the cover 2.
Patent ES-342836-A1 (ES)
Title: Process for melting and decarburising steel scrap
IPC: C21C5/56
Filed: 1967-07-10
Abstract: Steel scrap containing more than 17% Cr, or Cr and Ni, or Cr, Ni and Mo is melted and decarburized to produce an end product having 0À03% C or less by first melting it in an arc furnace where the melt is adjusted to the metallic composition desired and any Al, Ti and Si removed by addition of a stoichiometric amount of oxygen or metal oxide, and then transferring the melt to a vacuum induction furnace where decarburization is effected by the addition of oxygen or an oxide such as Fe, Mn or Ni oxide.
Patent ES-356550-A1 (ES)
Title: Blooming cot composition
IPC: D01H5/74
Filed: 1968-07-26
Abstract: A textile fibre drafting cot is made from a composition comprising a sulphur-cured nitrile rubber containing 5 to 35 parts per 100 parts of rubber of toluene sulphonamide, and a filler.
Patent ES-371189-A1 (ES)
Title: Heat-extracting housing for semiconductor
IPC: H01L23/48
Filed: 1969-08-20
Abstract: A semiconductor tablet is in thermally conductive contact with one face of an oxide ceramic plate. A plastic cover is molded around the tablet and is mechanically locked to the oxide ceramic plate. The opposite face of the oxide ceramic plate is free of the plastic cover so that heat extracting means can contact it.
Patent ES-377946-A1 (ES)
Title: Friction facing comprising a tape of material of at least one strand of glass yarn and at least one strand of asbestos yarn in side-by-side relationship
IPC: F16D69/02
Filed: 1970-03-25
Abstract: A friction facing for a clutch, or the like, comprises an annular matrix of at least two yarns, namely an asbestos yarn and a glass yarn, held together by a binder material, and including a reinforcing hoop 22, 24 of glass yarn fibres around the outer and inner periphery of the facing. As shown, the facing comprises two annuli 18, 20 with the hoops 22, 24 between them. The ratio of strands of glass yarn to strands of asbestos yarn may be 1: 2 in the facing 18 and 1:1 in the backing annulus 20. The asbestos yarn 14 may include reinforcing strands of copper, brass or zinc, and the binder material is known rubber-base and thermosetting resin-base varieties. The hoops 22, 24 are formed by treating the yarns with high strength phenolic resin solutions prior to the formation of the hoops and passing them through an oven to remove the solvent. When the hoops are then placed between the annuli 18, 20 and subjected to heat and pressure, the resin converts to a thermoset to bond the hoops to the annuli.
Patent ES-381988-A1 (ES)
Title: Low-pressure chill-casting devices
IPC: B22D17/30
Filed: 1970-07-20
Abstract: A device for chill-moulding light alloy castings under low-pressure conditions, which comprises a fluid-tight enclosure, a crucible disposed within said enclosure and adapted to be filled with molten metal, a mould made of several sections assembled either to the upper plate or to the lower plate of a press, a casting tube and its joint means providing a fluid connection between said crucible and said mould, said device operating in response to the development of the air pressure within said enclosure so as to force the molten metal from said crucible into said mould through said casting tube, means for developing the air pressure within said enclosure, characterized in that said fluid-tight enclosure and said moulding device consist of two separate sections movable in relation to each other and interconnected through a casting duct and its connecting tube both easy to remove and heat.
Patent ES-382053-A1 (ES)
Title: Aqueous coating compositions containing butadiene copolymers
IPC: C09D133/12
Filed: 1970-07-22
Abstract: Aqueous coating compositions comprise a blend of latices of copolymers A and B, A comprising 80-99 wt% and B comprising correspondingly 1-20 wt% of total copolymer, the polymers being as follows:- A) a film-forming copolymer of (a) 45-- 70 wt% styrene and/or methyl methacrylate, (b) 0-5 wt% ethylenically unsaturated acid and (c) the remainder butadiene, said copolymer being insoluble and not swellable to any substantial extent in aqueous alkali at pH 10 at 20 C B) a cross-linked copolymer of (a) 35- 50 wt% butadiene and 50-65 wt% ethylenically unsaturated acid, said copolymer being substantially swellable and at least 50 wt% insoluble in aqueous alkali at pH 10 at 20 C, the degree of cross-linking being sufficient to impart the required insolubility but not so great as to hinder swelling. The compositions may contain a pigment, e.g. china clay, TiO 2 , satin white, blanc fixe or CaCO 3 , and may be rendered more viscous by addition of alkali, particularly aqueous ammonia. The compositions may be applied to paper or to the backs of carpets or upholstery fabric, and may be added to leather finishes and to latex dispersions used for coating films of cellulose, polyester or polyolefins.
Patent ES-382768-A1 (ES)
Title: Telecommunication switching systems
IPC: H04Q11/04
Filed: 1970-08-14
Abstract: A time division multiplex telephone system has testing apparatus for testing the setting-up of a communication path between two subscribers before the path is switched through to the subscribers. Circuits responsive to signals emitted by the testing apparatus initiate a further attempt to set up the communication path if the testing apparatus signals that the test made on the set up connection indicate that the setting up is not successful.
Patent ES-389424-A1 (ES)
Title: Device for the automatic proportional control of physical quantities in a hydraulic circuit
IPC: F24F11/06
Filed: 1971-03-22
Abstract: A device for the automatic proportional control of physical quantities in a hydraulic circuit which is hydraulically operated by the same water flowing in the circuit or system to be controlled, particularly for the peripheral units of large centralized air conditioning plants. A hydraulic motor of a control unit is actuated by the difference in hydraulic pressure between the inlet and the outlet of each of the heat exchangers and this actuation is controlled in a proportional mode by a regulation member. One of a two chambers defined by a piston of the hydraulic motor is connected to a section of the heat exchanger which is in between the inlet and outlet thereof and has an intermediate value of pressure. The other chamber is connected to a port of the regulation member which is coupled alternately with the inlet or the outlet of the heat exchangers depending on the type of variation, i.e., increase or decrease with respect to the value taken as reference of a selected physical quantity, such as temperature. A cam shaft linked to a piston rod of the hydraulic motor provides a feedback effect, whereby the regulation is made proportional.
Patent ES-389935-A1 (ES)
Title: Method and apparatus for finishing cellulose-containing textile materials and textile materials thus produced
IPC: D06B21/00
Filed: 1971-03-25
Abstract: An apparatus for finishing cellulose-containing textile materials comprising at least one applicator device which preferably is constituted by at least one applicator or kiss roll for applying the finishing bath, and control means for regulating the rotational speed of such kiss roll to precisely reguluate the amount of applied bath.
Patent ES-400556-A1 (ES)
Title: Apparatus for applying fins to pipes with means for preventing bending of the fins during application
IPC: B21D53/08
Filed: 1972-03-08
Abstract: Apparatus for applying fins from the free end of at least one pipe which is stationarily held at the other end thereof, in which the fins are pushed one by one onto the free end of the pipe and moved along the same by parallel entrainment members connected spaced from each other to a pair of endless substantially parallel sprocket chains, the working runs of which are moved in the direction of the pipe by driven sprocket wheels. The entrainment members are held in working position substantially normal to the pipe axis until they have pushed the respective fin to the desired position on the pipe, whereafter the respective entrainment member is permitted to tilt to a releasing position. To equalize any different elongation occurring in the two sprocket chains and to keep the entrainment members parallel to each other, equalizing sprocket wheels are provided which are connected to each other for synchronous rotation and which engage the working runs of the chains spaced from the driven sprocket wheels.
Patent ES-410414-A1 (ES)
Title: Vehicle headlamps
IPC: B60S1/60
Filed: 1973-01-05
Abstract: A vehicle headlamp cleaning system in which an electrically operated means for causing drive to a wiper blade is energised by a controller which is itself operated in response to a driver operation such as windscreen washing. The controller may additionally include a timer or counter for leaving the first means energised only during a limited number of cycles.
Patent ES-414844-A1 (ES)
Title: Gear type coupling
IPC: F16D3/18
Filed: 1973-05-17
Abstract: A gear type coupling provides for misalignment between the axes of substantially co-axial interconnected shafts. An outer sleeve encloses coupling components and includes radially inwardly extending gear teeth. An outer hub member, within the sleeve, has radially outwardly extending gear teeth for meshing with the sleeve gear teeth and also includes radially inwardly extending gear teeth. An inner hub member, within the outer hub member, has radially outwardly extending gear teeth for meshing with the inner gear teeth of the outer hub. The inner and outer hubs are angularly pivotable relative to each other and relative to the sleeve to compensate for shaft misalignment. Pilot means comprising special bearing surfaces on the outer hub engage corresponding bearing surfaces on the inner hub for maintaining radial concentricity between the inner and outer hubs and to limit angular deflection to a common point along the axis of the coupling.
Patent ES-422539-A1 (ES)
Title: Process for refining amines
IPC: C07C209/84
Filed: 1974-01-23
Abstract: Long chain alkyl amines produced from petrochemical methods are refined by treatment with 0.01 to 5 % by weight of a borohydride compound to eliminate the tendency to form colored compounds when further converted to amine salts.
Patent ES-428973-A1 (ES)
Title: Apparatus having dropout detection and compensation for reproducing a video signal recorded on a record
IPC: H04N9/88
Filed: 1974-08-05
Abstract: An apparatus for reproducing a video signal which is recorded on a record carrier, which apparatus includes a dropout detection and compensation device. The carrier which is frequency modulated by the luminance signal is divided by two frequency dividers, the first divider supplying a lower frequency signal whose zero crossings correspond to the zero crossings of the rising edges of the modulated carrier and the second divider supplying a lower frequency signal whose zero crossings correspond to the zero crossings of the falling edges of the modulated carrier. The two lower frequency signals are FM-demodulated and comparison of said demodulated lower frequency signals enables dropout detection. During a dropout compensation is possible by inserting the undisturbed lower frequency signal with the aid of a selection device. A similar detection and substantially the same compensation is also possible for the chrominance information when coded in a specific manner.
Patent ES-432366-A1 (ES)
Title: Copper base metalorganic compounds and process for the preparation thereof
IPC: C07C231/06
Filed: 1974-11-21
Abstract: A copper compound having the general formula: R | Cu1-C-C=NH, || ROR' wherein the copper is in the <+>1 oxidation state R, the same or different, is hydrogen, methyl or phenyl and R' is ethyl or methyl, is prepared by reacting a monovalent copper salt such as CuBr with an alkali metal alkoxide in the presence of a mixture of an alcohol and a nitrile under anhydrous conditions and in an atmosphere of an inert gas.
Patent ES-440251-A1 (ES)
Title: Pulverulent, tackfree, pourable, filler-containing elastomer mixtures optionally containing plasticizer oil, as well as processes for their production and utilization
IPC: C08L23/00
Filed: 1975-08-14
Abstract: In a process for the production of pulverulent, tack-free, pourable, filler-containing elastomer particles by precipitating a stable, emulsified, homogeneous mixture of an aqueous elastomer emulsion and an aqueous dispersion of a solid filler for said elastomer in the presence of sodium silicate to form an aqueous suspension of the precipitated elastomer and the filler, the improvement which comprises:
Patent ES-441313-A1 (ES)
Title: Pressure piston for a die-casting machine
IPC: F16J1/09
Filed: 1975-09-26
Abstract: The pressure piston for a die-casting machine comprises a carrier formed with a crown having a central blind bore closed at its driving end and with an abutment ring. Surrounding the carrier and abutting the abutment ring is a piston skirt forming with the carrier an annular space through which passes a cooling medium. The skirt is held in position by a threaded clamping sleeve engaging a thread on the carrier on the side of the annular space remote from the abutment ring. By providing a thread of suitable length the carrier can accommodate skirts of various sizes. For this reason the axial extent of the carrier part between the abutment ring and the securing region for the clamping sleeve is less than the maximum but greater than the minimum length of the piston skirts.
Patent ES-444393-A1 (ES)
Title: Knitting braids
IPC: D04B25/00
Filed: 1976-01-16
Abstract: The invention relates to a method and apparatus for knitting a narrow band in which a special effect yarn for use in the band and the band itself, are knitted simultaneously on one machine and the special effect yarn is taken off and guided directly to the needles knitting the band.
Patent ES-446394-A1 (ES)
Title: Polyurethane foams having an integral skin using a mixture of polyols as the chain extender
IPC: C08G18/32
Filed: 1976-03-26
Abstract: This invention relates to a process for making polyurethane elastomer moldings from A. ORGANIC POLYISOCYANATES B. POLYHYDROXYL COMPOUNDS HAVING MOLECULAR WEIGHTS IN THE RANGE FROM ABOUT 1800 TO ABOUT 10,000, C. A CHAIN EXTENDER, D. A BLOWING AGENT AND E. OPTIONALLY THE AUXILIARIES AND ADDITIVES COMMONLY USED IN MAKING POLYURETHANES, THE IMPROVEMENT WHEREIN SAID CHAIN EXTENDER (C) IS A POLYOL MIXTURE COMPRISING I. ETHYLENE GLYCOL AND II. AT LEAST ONE OTHER POLYOL HAVING A MOLECULAR WEIGHT BELOW 1800 AND WHEREIN SAID POLYOL MIXTURE HAS AN AVERAGE MOLECULAR WEIGHT BELOW ABOUT 600.
Patent ES-446427-A1 (ES)
Title: Isotope separation by ion waves
IPC: B01D59/48
Filed: 1976-03-26
Abstract: One of the isotopes of an element having several isotopes can be separated from the others in a dense, neutral plasma. Thus initially a neutral plasma is prepared including the element in question. This may consist of positive ions and negative electrons or alternatively of positive and negative ions, or else of a mixture of positive ions, negative ions and electrons. The plasma may then be injected into a magnetic field or may be generated in the field where more energy is imparted to a selected isotope than to the others. Finally, the isotopes are separated from each other on the basis of their differential energies. For example, the selected isotope may be given more energy than the others by stimulating it within the plasma at its resonant frequency which may be close to the cyclotron frequency, either by an electric field or by a magnetic field. In order to excite the other isotope, a different resonant frequency is required which depends on the plasma density, the relative concentration of electrons if the plasma contains electrons, the strength of the magnetic field, the ratio of charge to mass of the isotope, and possibly on the physical parameters of the plasma apparatus itself, such as the ratio of the length of the plasma column to its radius. The more energetic isotope may be separated by energy dependent chemical reactions, it may be collected by a positively biased probe or else the isotopes may be separated from each other by magnetic fields or in various other ways.
Patent ES-447718-A1 (ES)
Title: Method and apparatus for linearly conveying wheeled vehicles
IPC: B65G19/02
Filed: 1976-05-07
Abstract: A method and an apparatus for linearly conveying wheeled vehicles are disclosed wherein at least one wheel of the vehicle is supported by a plate which reciprocates longitudinally through a forward stroke and a reverse stroke. The supported wheel is engaged and blocked to prevent its rotation during the forward stroke, thereby pushing the wheel, and thus the vehicle, to a forward position with the plate. During the reverse stroke, the wheel is free to rotate, permitting the plate to return to its rearmost position while the wheel remains at the forward position. During subsequent forward strokes, the wheel is similarly engaged and blocked and the vehicle is sequentially advanced the length of the forward stroke during each reciprocation of the plate.
Patent ES-453216-A1 (ES)
Title: Rigid polyvinyl chloride compositions with high heat-deflection temperatures
IPC: C08L27/00
Filed: 1976-11-11
Abstract: Polyvinyl chloride compositions with heat-deflection temperatures of above 100 DEG C are obtained by combining suspension grade polyvinyl chloride with diallyl phthalate with or without an unsaturated polyester, and appropriate polymerization catalysts for the diallyl phthalate incorporating into the polymer and polymerizable additive high loadings of ground limestone, from about 40% to about 100% of the total weight of final polymer, and conventional stabilizers for polyvinyl chloride.
Patent ES-456545-A1 (ES)
Title: Device for controlling the tension of yarn unwinding from a yarn supporting body
IPC: B65H59/12
Filed: 1977-03-04
Abstract: Device for controlling the tension of yarn unwinding from a yarn supplying apparatus to using machines. The device comprises two discs facing each other and having annular recesses and projections, with the projections on one disc extending between the recesses on the other disc. One of the discs is applied on the apparatus, while the other disc is carried by the bracket and has an axial hole passing therethrough, through which hole the yarn exits, the tension of which has been controlled.
Patent ES-460074-A1 (ES)
Title: Pedal mechanism
IPC: B62M3/06
Filed: 1977-06-23
Abstract: A pedal mechanism for a bicycle having a pedal crank formed of two telescopic elements, one of which is fixed the other being controlled by an assembly designed to impart thereto a reciprocating radial movement so that the length of the crank during rotation varies between predetermined minimum and maximum values. This arrangement increases the operating efficiency of the bicycle.