baber/WOPTO huggingface dataset:
Patent ES-266932-A1 (ES)
Title: A process for purifying formaldehyde
IPC: C07C45/78
Filed: 1961-04-26
Abstract: Water is removed from gaseous formaldehyde by washing it with a diester of a polyethylene glycol or a monoester of a monoalkyl ether of a polyethylene glycol at 80-120 DEG C. Preferably the esters are derived from polyethylene glycols having 2-15 ethylene glycol units and the alkyl radicals of the monoesters contain 1-4 carbon atoms. The esters used are preferably those of acetic acid.
Patent ES-300687-A1 (ES)
Title: Hay wafering machine
IPC: B30B11/20
Filed: 1964-06-06
Abstract: In a machine for wafering hay and the like comprising support means, guide means in the form of an annulus carried by the support means and including an inner circular track with a plurality of radial die-cells spaced uniformally circumferentially about the annulus and respectively having the inlet ends at the track rotatable means co-axial with the track and including a press wheel arranged eccentrically within the track for orbital movement about the annulus axis so that the periphery of the wheel rolls on said track a feed housing having an annular wall co-axial with the annulus end extending from an open delivery end and in register with the track to a remote end away from the track, said wall having a feed opening spaced axially from said track for receiving hay and the like and means co-operative with the housing for moving hay circumferentially and axially about the interior of said annular wall for discharge through said delivery end to the track in circumferential advance of the press wheel, said means including a core co-axial and rotatable with said rotatable means and having a diameter less than that of said annular wall, so as to afford an annular space, and a feed element secured to said core and extending into said space to engage hay and the like and terminating axially adjacent to said press-wheel the relative diameters of said core, track, annular wall and press wheel are such that the radial dimension of said annular space is less than the radius of the press wheel. The feed means may be for example an auger. In a modification, two press wheels are employed, whose centres are on a diameter of the core.
Patent ES-318151-A1 (ES)
Title: Improvements in or relating to heat exchangers, in particular for nuclear reactors
IPC: F28F9/26
Filed: 1965-10-05
Abstract: An array of heat exchange tubes comprises elementary nests or bundles 5, each nest comprising seven parallel tubes 6-12 in the same plane, the tube 12 being central to the other six and connected thereto and to the inlet and outlet headers by lower and upper extensions 38, 39, the former thereof being supported by a flange 31 which is supported in turn by a web 30 Fig. 3 (not shown). The nests or bundles form part of a close-packed, centred hexagonal mesh of tubes, each tube of the nest 5 being separated by a distance of 3 times the side of one mesh from adjacent tubes which lie on the bisecting lines of two distinct sides of the mesh. The elementary bundles are imbricated to make the array, successive bundles being connected in a circular fashion to their headers Fig. 3 (not shown). The mesh may be star-shaped or of herring-bone form.
Patent ES-334655-A1 (ES)
Title: Process for producing Carbon Black
IPC: C09C1/50
Filed: 1966-12-19
Abstract: Carbon black may be produced, by partial combustion and/or pyrolysis of a hydrocarbon feedstock, by introducing a first stream of a free oxygen-containing gas into the upstream end portion of a generally cylindrical first zone having a length greater than its diameter, introducing a stream of the feedstock into the first zone and into the free-oxygen-containing gas therein between the point of introduction of the free-oxygen-containing gas, and the downstream end of the first zone passing the mixture from the first zone to a second generally cylindrical zone having a diameter greater than its length and greater than the diameter of the first zone, the upstream end of the second zone being in open communication with, and axially aligned with the downstream end of the first zone introducing a second stream of gas containing free oxygen into the periphery of the second zone to establish a mass of gas around the mixture from the first zone feeding a fuel to the first and/or second zones, and burning the fuel passing the mixture from the second zone into a generally cylindrical third zone having a length greater than its diameter, and a diameter less than the diameter of the second zone and separating said carbon black from the gaseous effluent from said third zone, the free oxygen in the first stream constituting 15-70% by volume of the total oxygen contained in the two streams together. Fuel may be introduced into the first zone at a point between the introduction of oxygen-containing gas, and the introduction of feedstock and preferably radially outwards from the axis of the zone. The feedstock may be introduced into the first zone at a point spaced 0À5-1À7 times the diameter of the first zone from the downstream end. The stream of O2-containing gas may be introduced tangentially into the second zone. This stream may be a stream of hot combustion gases, obtained by burning fuel in a gas which provides an excess of O2. The second stream of gas containing O2, i.e. the stream introduced into the second zone-may be introduced by a combustion tunnel in open communication with the second zone. The fuel may be introduced into the gas stream at a point between a point inside the tunnel, not more than 2 tunnel diameters (T.D.), pref. 1-1 T.D., from the outlet, and a point outside the tunnel, but in the second zone, not more than 1 T.D., pref. 0À5 T.D., from the outlet, and ignited when so introduced. The oxygen-containing gas may be air. Apparatus suitable for the process is described herein, but claimed in Specification 1,177,757.
Patent ES-338927-A1 (ES)
Title: A pressure-sensitive copying material
IPC: B41M5/155
Filed: 1967-04-05
Abstract: A coating composition comprises attapulgus clay, silica gel, styrene-butadiene resin latex, sodium silicate and talc, asbestos or mica.
Patent ES-354275-A1 (ES)
Title: Eddy current method and apparatus for the nondestructive testing of electrically conductive tubes utilizing two mutually coupled hartley oscillators
IPC: G01N27/90
Filed: 1968-05-24
Abstract: An eddy-current flow detector for metal tubes comprises a pair of axially aligned coils 1, 2 through which the tube passes, each coil being connected in an identical Hartly oscillator circuits 4, 5, having their grid voltages monitored by a differential valve voltmeter 8, 9. Change in oscillator load due to a localized flow is reflected in a difference in oscillator grid voltages, whereas slow variations due to change in e.g. diameter or thickness produce substantially no difference signal. This effect can be emphasized by differentiating the voltmeter output signal. The spacing between the coils is arranged so that the coupling factor is just sufficient to maintain the oscillators in synchronism (frequencywise).
Patent ES-354728-A1 (ES)
Title: Naphthyridine derivative compounds having a benzo(c)(1,6) naphthyridine structure
IPC: C07D211/72
Filed: 1968-06-06
Abstract: 3-(3,4-DISUBSTITUTED-PHENYL)-4-PIPERIDONES USEFUL AS INTERMEDIATES FOR THE SYNTHESIS OF A VARIETY OF ORGANIC COMPOUNDS, ESPECIALLY PHARMACEUTICALS.
Patent ES-359979-A1 (ES)
Title: Protective gas supply system for a glass float furnace
IPC: C03B18/20
Filed: 1968-11-07
Abstract: In the manufacture of flat glass by floating molten glass 1 on a bath 2 of molten metal in a structure 3, 6 in which a protective atmosphere is supplied into the headspace 9 between bath 2 and roof 6 through inlets 8, there is provided at least one outlet 18 from the structure 3, 6 which is connected by an elongated path to a duct 19, the path being preferably tortuous round baffles 17 as shown, the duct 19 connecting by pipe 21 at its outer end 20 with pumping means 22 for withdrawing gases from the headspace 9 at a controlled rate. The atmosphere contains H 2 which reacts in the elongated path with any O 2 entering the atmosphere. As shown in Fig. 3, a condenser 31 may be interposed between the duct 19 and pipe 21 to extract volatile constituents withdrawn from the headspace 9.
Patent ES-369806-A1 (ES)
Title: Method and apparatus for texturizing yarn
IPC: D02J1/00
Filed: 1969-07-23
Abstract: A method of producing an intertwined yarn of predetermined opening length, i.e. distance between points of intertwining, comprises passing a yarn through a jet of medium directed substantially perpendicularly to the yarn and thereafter flowing freely away, and subjecting the yarn to fluctuations in tension. The frequency of the fluctuations is given by n=w/l where n= the number of cycles of fluctuations in tension per minute, w= the rate of travel of the yarn in metres per minute and /= the required average opening length in metres. In a preferred embodiment, the yarn 4 .is passed to the nozzle 9, supplying the jet of medium, via two guides 5 and 6. The fluctuations in tension are produced by means of a pin 8 mounted on a rotating disc 7. Alternative means for producing the fluctuations in the yarn tension comprise an electromagnetic yarn brake, or a vibrator of adjustable frequency. The initial pressure of the air used as the jet medium is 2.5 to 5 atmospheres, preferably 3.2 to 4.2 atmospheres. The yarn tension fluctuates between a lower value of 0.02 to 0.18 lbs./ denier and an upper value of 0.4 to 0.8 lbs/ denier. The lower value of yarn tension is preferably in the range 0.04 to 0.15 Ibs./denier and the upper value is preferably in the range 0.45 to 0.63 Ibs./denier. The average frequency of the fluctuations in yarn tension is from 2000 to 10,000 per minute, preferably 5000 to 8500 per minute. Air or steam may be used as the jet medium.
Patent ES-370321-A1 (ES)
Title: Electroacoustic transducer held together by thermoplastic clamping ring
IPC: H04R7/18
Filed: 1969-08-07
Abstract: Sound equalization in a moving coil electroacoustic transducer is achieved by one or more holes 202 in a front cover 20 which also serve for the ingress or egress of sound and by a damping grid 17 behind the coil 16 in the form of an annular trough having one or more holes 171 with its inner and outer rims attached to an inner polepiece 11 and yoke 12, 13. The polepiece 11 is larger than, and tops a block cylindrical magnet 10. The diaphragm 14 is preferably formed of plastics material. The magnet 10 is either adhered to the pot 12 or is secured by a press-fit. The transducer may be both the receiver and transmitter of a telephone set. The frequency response may be further adjusted by adjusting the volume between the cover 20 and the ear cap or mouthpiece. Low-frequency response can be cut by making one or more holes in the diaphragm.
Patent ES-373077-A1 (ES)
Title: Talking mechanism for dolls
IPC: A63H3/33
Filed: 1969-10-16
Abstract: A talking mechanism for a doll comprises a disc record 20 carrying a plurality of sound grooves arranged in parallel spirals which is angularly adjustable by means of an operating element 80 with the drive switched off so as to start the playback stylus 42 in a selected groove. As shown, each stroke of the bar 80 steps the record 20 by means of a pawl 83 and ratchet (24, Fig. 4) and, through an arm 100, lifts the pickup arm 40 which swings back to its starting position. A rotary disc 50 is driven by a motor 30 and drives, through a one-way clutch 52, 26, the record 20. After a predetermined number of revolutions, a pin 56 tracking a spiral groove 54 in the disc 50 enters a depression 57 so that an arm 55 carrying the pin 56 opens contacts (70, Figs. 5a and 6) in the motor circuit which are opened also during a stroke of the bar 80.
Patent ES-375015-A1 (ES)
Title: 5h-pyrrolo {8 2,1-c{9 {8 1,4{9 {0 benzodiazepin-5-ones
IPC: C07D487/04
Filed: 1969-12-29
Abstract: This invention contains a novel antibiotic produced by a culture of Streptomyces achromogenes var. tomaymyceticus in a nutrient medium and derivatives thereof which are active against a number of microorganisms, phages and viruses, and effective in the treatment of tumors.
Patent ES-382916-A1 (ES)
Title: Control apparatus for automatic water flushing systems
IPC: E03D5/02
Filed: 1970-08-20
Abstract: The flow of water to a system comprising one or a number of automatically operated flushing cisterns is subject to the control of apparatus fitted on a pipe line leading from a water supply main to the flushing system, the control apparatus comprising a passage through which the water must flow on its way from the main to the system, a valve controlling the flow through the passage, a spring acting to hold the valve normally in an open position, a solenoid device which when energized acts to overcome the action of the spring and close the valve, thereby shutting off the flow of water to the system, and a timing device programming the energization of the solenoid device and governing the periods when the valve will be closed and the water supply to the system shut off, so as to obviate waste of water by unwanted automatic flushing action during off periods.
Patent ES-384997-A1 (ES)
Title: Fast warm-up indirectly heated cathode structure
IPC: H01J1/20
Filed: 1970-10-28
Abstract: A tungsten heater, covered with a thin alumina layer (about 1 mil), is potted inside a molybdenum cathode cup in a sintered mass formed from a mixture of fine particles (of the order of 1-5 microns) of molybdenum and nickel in the weight ratio of at least 40 percent molybdenum, but preferably about 90 percent moly. The emissive surface of the cup has a matrix of sintered nickel carbonyl filled with alkaline earth metal emissive oxides. The cup is supported by invar struts.
Patent ES-385454-A1 (ES)
Title: Flat plate traveling roller imaging system
IPC: G03G15/00
Filed: 1970-11-12
Abstract: A photoelectrophoretic imaging machine employing a stationary electrode over which two imaging and one transfer roller electrode travels to form and transfer an image formed from photoelectrophoretic ink exposed to light and subjected to electric field. The roller electrodes are journaled in two separate carriages with one drive mechanism employed to propel the carriages and a second drive mechanism employed to rotate the roller electrodes. The roller electrodes are lowered into contact with the stationary electrode by an elevator mechanism that enables the forces exerted on the roller to be varied from one end of a roller to the other. Means are provided for loading and ejecting a record sheet from the surface of the transfer roller. An auxiliary drive mechanism and cleaning station are positioned to engage the imaging roller electrodes after they pass over the stationary electrode.
Patent ES-403316-A1 (ES)
Title: Electronic device for speed signalling in a d.c. motor
IPC: B60L3/12
Filed: 1972-05-30
Abstract: Apparatus for developing an alternating signal whose amplitude is proportional to motor speed for monitoring motors and the like, said apparatus comprising means for converting a signal from the motor supply proportional to the supply voltage to a continuous signal second means for converting a signal from the motor proportional to the current drawn by the motor to an alternating signal applying the aforesaid signals to respective input terminals of a logarithmic amplifier for developing a composite signal having a constant component and an alternating component and filtering said composite signal to pass only said alternating signal whose amplitude is proportional to motor r.p.m.
Patent ES-405391-A1 (ES)
Title: Method and apparatus for initiating pouring from a blocked opening of a bottom pour vessel
IPC: B22D11/10
Filed: 1972-07-31
Abstract: An improved refractory closure member having a chamber formed by a removable disc in the normal nozzle opening, into which chamber a reactive gas such as oxygen is introduced to initiate a stream of molten metal from a bottom-pour vessel.
Patent ES-412798-A1 (ES)
Title: Security document system and method
IPC: B44F1/12
Filed: 1973-03-17
Abstract: Illegal or unauthorized reproduction of classified or copyrighted indicia by a variety of convenience office copiers operating in different energy ranges is inhibited. This indicia is pressure-transferred from a typewriter ribbon or carbon-like sheet, or printed directly, with an ink of one color onto a masking background of another color provided on an opaque substrate. The ink is light reflective to those convenience office copiers, like the Xerox 2400, that operate predominantly in the blue spectral region, and also to those thermographic copiers, like the 3M Thermofax copiers, that operate in the infrared spectral range, so that these copiers will not see the indicia. The ink is at least partially light absorptive to those copiers, like the currently marketed IBM Copier, that operate predominantly in the green or blue-green spectral region hence, as to these copiers, the indicia will be indistinguishable from the camouflaging background, which is light absorptive to a greater degree than the ink throughout the operating ranges of all copiers of the aforementioned types. The novel combination of ink and background herein disclosed also provides legible but significantly deteriorated reproduction of such indicia by most broad spectrum white-light copiers and zinc-oxide coated paper copiers.
Patent ES-424607-A1 (ES)
Title: Process for preparing hydroxydiphenyl
IPC: B01J27/055
Filed: 1974-03-25
Abstract: Hydroxydiphenyl is prepared by dehydrogenating a starting material comprising completely and/or partly hydrogenated hydroxydiphenyl in a gaseous phase in the presence of a dehydrogenation catalyst and a compound having the formula WHEREIN R1, R2 and R3, which may be the same or different, each represents a linear or optionally branched alkyl radical having up to 6 carbon atoms, in addition to which R3 can also represent a hydrogen atom, IS ADDED AS A STABILIZER TO THE STARTING MATERIAL BEFORE IT COMES INTO CONTACT FOR THE FIRST TIME WITH AND AND/OR OTHER OXYGEN-CONTAINING GASES.
Patent ES-427291-A1 (ES)
Title: 17-Nor-6-methyl-steroids
IPC: C07C/
Filed: 1974-06-15
Abstract: Novel steroid compounds are provided represented by the formula:
Patent ES-427302-A1 (ES)
Title: Herbicide
IPC: C07D285/24
Filed: 1974-06-15
Abstract: New and valuable herbicides containing compositions of different active ingredients.
Patent ES-434785-A1 (ES)
Title: Process for the preparation of magnesium
IPC: C22B26/22
Filed: 1975-02-17
Abstract: The invention relates to a process for the preparation of magnesium by reducing an oxidic magnesium containing material with carbon at a temperature between 1000 DEG C and 2000 DEG C in the presence of iron, cobalt, nickel, chromium or manganese and to magnesium so prepared.
Patent ES-435740-A1 (ES)
Title: N,N-diethyl-N{40 -{55 dibenzo{8 b,e{9 thiepin-11(6H)-ylidene{56 -1,3-propanediamine and derivatives thereof
IPC: C07D/
Filed: 1975-03-18
Abstract: Dibenzo[b,e]thiepin derivatives of the formula WHEREIN X is sulfur or sulfonyl and R is hydrogen or methyl, are described. The compounds of formula I are useful as diuretic agents.
Patent ES-436462-A1 (ES)
Title: Process for controlling metal thickness, and deposition and degradation rates
IPC: G01N33/20
Filed: 1975-04-09
Abstract: Metal layer thicknesses on articles during formation or degradation, as in electroless or electrolytic deposition or chemical etching, are measured and controlled by a process comprising determining the radiation scattering capacity of a corresponding metallic layer deposited on or removed from a test sample while the test sample is present in a bath solution during formation or degradation of the metal layer. Also provided is a novel immersible sensor for measuring the rate and thickness of metal layers being deposited or degraded.
Patent ES-441636-A1 (ES)
Title: Process for the production of powdery washing and cleansing agent compositions
IPC: C11D1/02
Filed: 1975-10-09
Abstract: An improvement in the process for the production of powdery washing and cleansing agent compositions containing finely-divided water-insoluble silicate compounds, capable of binding calcium, soap, and, optionally, other surface-active compounds, builders and other customary detergent additives by spray-drying a slurry and recovering said powdery washing and cleansing agent composition which comprises separately spray-drying a slurry rich in said silicate compounds and combining the spray-dried powders with the remaining ingredients in powdery form as well as the powdery washing and cleansing agents so produced.
Patent ES-442622-A1 (ES)
Title: Producing improved metal alloy products (Al-Fe alloy and Al-Fe-Si alloy)
IPC: C22F1/04
Filed: 1975-11-14
Abstract: A dispersion strengthened aluminum alloy sheet is produced by casting an Al-Fe 1.1 - 2.5% alloy optionally containing Si up to 2.0% and, optionally, proportions of other specified alloying constituents. The alloy is cast in the form of a slab at a growth rate in excess of 25 cm/min. at a thickness of less than 25 mm so that intermetallics are formed in the slab in the form of fine rods of a diameter of 0.05 - 0.5 micron. These rods are then segmented by reducing the slab by at least 60% by rolling to develop a dispersion of fine intermetallic particles. By final annealing the rolled sheet at a temperature in the range of 250 DEG - 400 DEG C a sheet having a good combination of yield strength and formability is obtained (as indicated by a yield strength of greater than 15 k.s.i. and tensile elongation greater than 15%).
Patent ES-444458-A1 (ES)
Title: Steering axle
IPC: B66F9/075
Filed: 1976-01-20
Abstract: A steering axle for use in a vehicle such as an industrial truck or the like comprises a center beam member having spindles mounted for pivotal movement at each end thereof for rotatably supporting a pair of wheels. A double-acting motor is secured to the axle between the spindles and is connected by steering links to the spindles. The hydraulic motor comprises a double-acting piston having its rods extending outward and connected at their ends to the axle beam member for stationary mounting of the piston. A cylinder is reciprocally mounted on the piston and rods and is connected at each end by means of a pair of links to a pair of steering arms for each of the spindles. The geometric relationship of the steering motor and the steering arms are such that the angles between the axis of the cylinder and the links connected to the steering arms will be equal when the spindles are such that wheels mounted thereon would be straight ahead or in the fully cramped position. This arrangement provides a compact arrangement having minimum stress on the steering components.
Patent ES-444508-A1 (ES)
Title: Process for the preparation of phloroglucinol
IPC: C07C273/18
Filed: 1976-01-21
Abstract: Phloroglucinol is prepared by chlorinating benzenetricarboxylic acid-(1,3,5)-triamide in an aqueous, inorganic acid medium to form benzene-tricarboxylic acid-(1,3,5)-tri-N-chloramide, which is a new compound the latter is converted by treatment with ammonia into 1,3,5-triureido-benzene, which is hydrolyzed in inorganic acid solution to phloroglucinol.
Patent ES-444930-A1 (ES)
Title: Selective herbicides
IPC: A01N43/64
Filed: 1976-02-05
Abstract: Process of controlling weed grasses by treatment with triazine-dione compounds, of the formula: < IMAGE > and salts thereof, wherein R1 is an alkyl group of 3 to 5 carbon atoms in which the carbon atom attached to the ring nitrogen atom is a secondary or tertiary carbon atom, R2 is an alkyl radical of 3 to 5 carbon atoms such that no carbon atom of the radical is linked through a linear sequence of more than two carbon atoms to the nitrogen atom to which R2 is attached, and R3 is methyl, ethyl, or cyclopropyl.