baber/WOPTO huggingface dataset:
Patent ES-341242-A1 (ES)
Title: Machine for centrifugally casting pipes
IPC: B22D13/10
Filed: 1967-05-16
Abstract: A support frame 1 (a composite girder) for a mould C for centrifugal casting is adjustable in inclination, being pivoted on a pin 3 at one end and raisable at the other end by at least one jack 5 while upper supporting blocks 12 are moved longitudinally of the frame 1 to adjust the distance through which the frame must be lowered before the blocks 12 rest on lower supporting blocks 9, there being steps 13, on one or the other set of blocks, selected by the longitudinal movement of the blocks 12 to determine the frame inclination. The mould C is replaceable (in a carriage D) according to the size of pipe T to be cast and the inclination is adjusted accordingly, by a hand wheel 21 by which the blocks 12, suspended from rollers 22, are moved along the frame 1 by associated nuts 24 on a lead screw 14. The screw is floatably mounted at 19 on the frame 1 or the nuts are floatably mounted in the blocks 12. As shown, the machine is of the de Lavaud type, but it may be of a type with no pouring trough B. There may be a fixed pipe-withdrawing means mounted on a horizontal stand or on an extension of the frame 1 beyond the pivot pin 3. The pipe-withdrawing carriage E shown runs on a frame 2 also pivoted on the pin 3 and similarly supported and adjusted.
Patent ES-343324-A1 (ES)
Title: Valve drive for internal combustion engines
IPC: F01L1/12
Filed: 1967-07-21
Abstract: In an I. C. engine valve drive, in which a valve rocker shaft 3, Fig. 1 carries rockets 1, 2, the rocket shaft is slidably fitted in the cylinder head side walls 7 and locked in position by one or more cylinder head bolts 9. In another embodiment the cylinder head bolts extend diametrally through the ends of rocker shaft.
Patent ES-344077-A1 (ES)
Title: Apparatus for vertical extraction of material
IPC: F27B1/00
Filed: 1967-08-12
Abstract: Apparatus for discharging a vertical reaction shaft 16 comprises a shell 6 forming a downward extension of the chamber, rods or blades 1 movable transversely of the shaft by hydraulic motors 2, and a charge support 4 initially movable axially of shell 6 and forming part of a carriage having spindles 7 and 9 moving respectively in closed guide 10 and a guide 12 with a lower opening 13. The carriage is also formed with an arcuate groove 15 engaged by a spindle 8 displaceable in a guide 11 by hydraulic motor 14. Initial downward movement of motor 14 lowers support 4 until spindles 7 and 9 reach the bottom of their guides 10 and 11, whereupon motors 2 close the rods or blades 1. Further movement of motor 14 tilts the carriage, discharging material from support 4, whereupon motor 14 is reversed until said support 4 reaches its original position when motors 2 are also reversed to remove the rods or blades 1. The various movements may be controlled in sequence by a device incorporating electromagnetic valves. In a modification, Fig. 4 (not shown), the carrier is directly controlled by an hydraulic motor and another modification. Figs. 5a, 5c (not shown), has the shell movable with the carrier by an hydraulic motor on a carriage away from the chamber for discharge by tipping.
Patent ES-345081-A1 (ES)
Title: Nuclear reactor control rod
IPC: G21C1/30
Filed: 1967-09-15
Abstract: A nuclear reactor control rod comprises a tubular structure in which are housed a plurality of fuel elements and at least one tubular casing supporting a plurality of cobalt plates. The cobalt plates serve the dual function of neutron absorption and the production of radioelements. As shown in Fig. 1, the tubular structure 1 is of square cross-section and comprises lower and upper end connectors 2, 3 between which extend two side plates 4 and two distance plates 5 which are inset between the side plates 4. Plate-type fuel elements 6 are fitted in the structure 1 adjacent the lower end connector 2, and two casings 7a, 7b are mounted above the fuel elements. Each casing contains a plurality of small cobalt plates 8, each clad with stainless steel or other suitable corrosion-resistant material, and each casing comprises an inner and an outer element of square cross-section which are provided with coolant apertures and also means whereby they can be assembled temporarily so as to form between them an annular space capable of accommodating the cobalt plates 8. The casings 7a, 7b are maintained within the structure 1 by means of a clamping plug 9, one portion 9a of which is in the form of a spring. The plug 9 is attached by means of screws (not shown) to the upper end connector 3 which is, in turn, attached to the side plates 4 by means of two threaded rods 11 co-operating with tubular nuts (not shown). This arrangement facilitates the loading and unloading of the cobalt plates 8. Such control rods are particularly suitable for use with reactors of the swimming-pool type.
Patent ES-349289-A1 (ES)
Title: Method and apparatus for changing the rolls of a universal rolling mill
IPC: B21B13/10
Filed: 1968-01-13
Abstract: The horizontal rolls 1 of a universal stand 7 are replaceable by sliding a subframe 8, which carries the rolls, out of the stand on rails 9, removing the upper roll 1, and lifting the subframe off the lower roll 1. A pair of edging rolls 2 are retained in position in the subframe during these steps. The subframe may then be lifted on to a replacement lower roll, be provided with an upper roll, and be repositioned within the stand.
Patent ES-356211-A1 (ES)
Title: Process for the production of adipic acid
IPC: C07C51/00
Filed: 1968-07-16
Abstract: Adipic acid is prepared by hydrodimerization of acrylic acid in the presence of an alkali metal amalgam in a solvent medium comprising dimethyl sulphoxide preferably admixed with water. The reaction is preferably carried out at 0 to 30 C.
Patent ES-364095-A1 (ES)
Title: System for synchronising timing devices
IPC: G04C11/02
Filed: 1969-02-18
Abstract: In a system for synchronizing the mechanical oscillator of a timing device, and including a radio receiver 20 for receiving a periodic radio synchronizing signal, and a winding BS connected to receive the output of the receiver thereby to synchronize the oscillator, a switching device 22 is controlled by the oscillator and electrically connected to prevent energization of the synchronizing winding except when the oscillator is within a predetermined limited range of positions in which the synchronizing signal is effective and which corresponds to a small fraction of the repetition period of the synchronizing signal. The switching device 22 may be in series with the winding BS as illustrated in Fig. 2, or in the power supply circuit or a stage of the receiver 20. One form of switching device 22 comprises a transistor in the emitter-collector circuit of which the coil BS is connected, and in the base-emitter circuit of which is connected a pick-up coil, positioned in relation to a moving magnet system carried by a balance or pendulum so that the transistor is rendered conducting during a desired fraction of the period of oscillation of the balance or pendulum. In other embodiments, Figs.6 and 7 (not shown) a switching transistor is rendered conducting by pulses from a circuit maintaining the oscillations of a balance and comprising a further transistor and drive and pickup coils whilst in further embodiments, Figs.9 to 11 (not shown) the radio synchronizing signal is applied to one or both of the drive and pick-up coils in the oscillation maintaining circuit, the transistor of which functions as the switching device. The system may also include a filtering circuit Fig. 1 (not shown) for rendering ineffective all parasitic signals received during the intervals between the synchronizing signals.
Patent ES-367324-A1 (ES)
Title: Baking oven heated by a fluid medium
IPC: A21B1/10
Filed: 1969-05-16
Abstract: A baking oven heated by fluid thermal medium and comprising a furnace separated from an oven and placed in a suitable location, for preference outside the bakehouse, and the oven comprising cooking compartments separated one from another by spaces of air, and heat exchangers for obtaining a maximum of regularity of the temperature in the cooking compartments, and spray tubes for producing steam disposed near the center of each compartment.
Patent ES-383795-A1 (ES)
Title: Device for attaching nuclear fuel pins in an assembly
IPC: G21C3/12
Filed: 1970-09-19
Abstract: A fuel assembly comprises a bundle of fuel pins 18 retained in a jacket 10 by a handling unit 20 which is releasably attached to the base 12 of the jacket 10 by tenons 22 which are inserted in L-shaped grooves 24 in the base 12 to form a bayonet-type coupling. When in place, the handling unit 20 can be locked by clamping screws 26. The handling unit 20 has two parallel spindles 30 each formed by a cylindrical member having a longitudinally-extending radial rib 32. The ribs 32 engage in notches formed in the handling unit 20 and are welded to the unit. Sliding on the spindles 30 are rails 36 bearing the the fuel pins 18. Each rail 36 is in the form of a strip terminating in a cylindrical portion 38. The strip of each rail is formed with two holes through which the cylindrical portions of thespindles 30 extend, each hole being connected to the lower edge of the rail by a slot through which the rib 32 of the corresponding spindle extends, as shown in Fig. 4. The fuel pins 18 have end plugs formed with passages of a shape matching that of the rails on which they slide.
Patent ES-390486-A1 (ES)
Title: Chain system for the selection and separation of objects
IPC: B65G17/12
Filed: 1971-04-07
Abstract: Objects carried in a single row on a first moving surface are arranged into two rows thereon or are selectively transferred to a second moving surface by partition means carried by thrusters. The thrusters are fixed on a movable transmission member and a cam follower carried by each thruster is diverted from a first cam run into a second cam run by switching means when it is desired to arrange the objects into two rows or to transfer selected ones from the first to the second moving surface.
Patent ES-395095-A1 (ES)
Title: Electroluminescent display apparatus
IPC: H05B33/00
Filed: 1971-08-30
Abstract: A method of fabricating electroluminescent display apparatus by forming a lead-frame from a laminate comprising two metal layers and an intervening insulating layer, is disclosed. The lead-frame comprises an array of laminate strip members, the tip of each of which may be cut back to expose the inside face of one metal layer. A light emitting semiconductor device then is mounted and electrically connected either to the inner or end face of the projecting metal layer. The other contact of the device is connected, typically by a wire lead or a metal beam lead, to the other metal layer of the laminate strip. Each semiconductor device and adjoining portion of the conductive mounting is encapsulated in a molded transparent plastic member, and supporting portions of the lead-frame then are severed to make each encapsulated diode available for individual assembly. Portions of the outer surface of the molded transparent member may be faceted and metal coated for improved light reflection and visual impact.
Patent ES-403432-A1 (ES)
Title: Corrugated tubing
IPC: F16L11/16
Filed: 1972-06-02
Abstract: This disclosure teaches a helically corrugated two-layer tube made of strips of sheetmetal or plastic and this disclosure teaches further an apparatus and a method for manufacture of the tube. A leading and a lagging margin of an inner strip are folded over each other along the path of the helix. A leading margin of an outer strip overlaps a lagging margin thereof along a corrugation. That corrugation is pressed along with a mating corrugation of the inner strip to form a head-shaped or snap-button-shaped fold whereby the inner and outer strips are united.
Patent ES-409966-A1 (ES)
Title: Bicycloalkanes
IPC: C07D317/46
Filed: 1972-12-22
Abstract: Bicycloalkane derivatives of the formula < IMAGE > WHEREIN N IS 1 OR 2, R1 is lower alkyl, X is free or ketalized carbonyl or a free, esterified, or etherified hydroxymethylene, and Y is -S-R2, -SOm-R2, or < IMAGE > wherein m is 1 or 2, R2 is alkyl, aryl, or aralkyl, R3 is hydrogen or lower alkyl, R4 is alkoxycarbonyl, or acyl or phenyl optionally substituted with lower alkoxy or benzyloxy- or acyloxy and Z is nitrile, nitro, lower alkoxycarbonyl, lower alkanoyl, lower alkylsulfinyl, or lower alkylsulfonyl are useful intermediates in the total synthesis of steroids. The compounds are prepared by reacting a corresponding compound lacking the CH2Y substituent with formaldehyde and a mercaptan or a sulfinic acid, followed if desired by oxidation and optional salt condensation.
Patent ES-421519-A1 (ES)
Title: Novel benzodiazepine derivatives and preparation thereof
IPC: C07D243/26
Filed: 1973-12-15
Abstract: A novel benzodiazepine derivatives represented by the formula, R4 | CnH2n |O N-C ANGLE R1- ANGLE CH-R3 (I) C=N ANGLE |(O)m R2 and acid addition salts thereof, wherein R1 represents hydrogen, halogen, nitro, C1-4 alkoxy, cyano or trifluoromethyl R2 represents a group of the formula, WHEREIN R5 and R6 represent hydrogen, halogen, C1-4 alkyl or trifluoromethyl R3 represents hydrogen, C1-4 alkyl or aralkyl R4 represents tetrahydropyranyloxy, tetrahydrofuranyloxy, aryloxy, aralkoxy or alkoxyalkoxy N REPRESENTS AN INTEGER OF 1 TO 4 AND M REPRESENTS ZERO OR 1, WHICH IS PREPARED BY A. REACTING A 1-UNSUBSTITUTED BENZODIAZEPINE DERIVATIVE OF THE FORMULA, HO N-C ANGLE R1- ANGLE CH-R3 (II) C=N ANGLE |(O)m R2 with a reactive ester of a compound of the formula, HO - CnH2n - R4 III.
Patent ES-422744-A1 (ES)
Title: Method for purifying phosphoric acid
IPC: C01B25/234
Filed: 1974-01-30
Abstract: A method for purifying phosphoric acid obtained with sulfuric acid acting on natural phosphates, comprises extracting the phosphoric acid with a mixed solvent formed essentially by 95% to 50% by volume of an ether containing 5 to 7 carbon atoms, and by 5% to 50% by volume of at least one of the esters resulting from the reaction of the phosphoric acid with alcohols having 3 to 5 carbon atoms.
Patent ES-425606-A1 (ES)
Title: Welding jig
IPC: B23K37/053
Filed: 1974-04-23
Abstract: An apparatus for use in supporting tubular goods such as pipe for welding to flanges, elbows, reducers, and the like, which incorporates a pair of elongate parallel rails on which similar carriages roll, the carriages each including means raising and lowering a turntable on the carriages, the turntable being rotated about a vertical axis and having locked positions which enable the turntables to position fittings for welding to a pipe, the apparatus further including pipe supports which selectively erect between the rails to support a pipe at a specified elevation, the pipe support including rollers which support a pipe for rotation, and including a power unit for rotating a roller causing pipe to rotate, thereby enabling a bead to be welded around the pipe. This enables the pipe to be connected to a fitting supported on a movable carriage.
Patent ES-429718-A1 (ES)
Title: Method of making reconstituted tobacco having reduced nitrates
IPC: A24B3/14
Filed: 1974-09-02
Abstract: Natural tobacco is extracted with water to produce a soluble extract and an insoluble fibrous residue. The extract is passed over an ion retardation resin to remove potassium nitrate from the extract. The resin is a rigid styrene-divinylbenzene cross-linked polymer lattice having attached quaternary ammonium groups, interwoven with a flexible linear acrylic acid polymer. Thereafter, the denitrated extract is recombined with the fibrous tobacco residue.
Patent ES-429954-A1 (ES)
Title: Method and apparatus for burning raw materials of cement clinker
IPC: C04B7/44
Filed: 1974-09-11
Abstract: Preheated combustion air from a clinker cooler to be supplied to a calcining device of a suspention preheater and gas discharged from a rotary kiln (hereafter called kiln exhaust gas) are mixed so as to cool volatile matters contained in the kiln exhaust gas and condense them on the surface of dust contained in the kiln gas. Then volatile matter carrying dust is separated and discharged out of the processing system.
Patent ES-432092-A1 (ES)
Title: Production of alkylene glycol ether esters of organic carboxylic acids
IPC: C08G65/12
Filed: 1974-11-19
Abstract: Alkylene glycol etherates of carboxylic acids are prepared. Starting from an oxirane, the compound is reacted with a carboxylic acid ester using a catalyst. The abovementioned catalyst has the formula MQn, the symbols being defined in Claim 1. It is preferred to use a catalyst and a cocatalyst, the cocatalyst being selected from the compound group comprising at least one nitrogen atom, phosphorus atom, antimony atom, arsenic atom or bismuth atom and at least one halogen atom or a carbon atom is directly bonded to the corresponding atom of the nitrogen, arsenic, phosphorus, antimony or bismuth.
Patent ES-432438-A1 (ES)
Title: Glazing compositions for ceramic articles
IPC: C03C8/02
Filed: 1974-11-29
Abstract: A glazed ceramic article in which the glaze includes titanium dioxide at least some of which is in the form of a metal titanate or a metal titano silicate and having a gloss of from 9 to 55 units at 45 DEG illumination. Also a glazing composition is described prepared by a semi-fritting technique in which the composition includes a mixture of a finely divided frit and an unfritted crystalline silica with the titanium dioxide being included in the frit together with alumina and a source of strontium, calcium or magnesium.
Patent ES-437848-A1 (ES)
Title: Conveyors for use in mining
IPC: E21F13/06
Filed: 1975-05-21
Abstract: A scraper-chain conveyor is composed in known manner of a series of channel sections or pans arranged end-to-end and interconnected to restrain relative longitudinal displacement. Cover members and spacers are detachably secured to the side walls of the pans with the aid of bolts anchored to the pans so as to define upper and lower guide passages for a chain. The connection between the pans includes projections at the ends of the pans and conveniently provided on inserts on spill plates attached to the pans, which projections extend laterally outwards from the pan side walls. Oval links or loops are inserted onto the projections and are retained by the spacers which extend partly across the projections and the links when assembled.
Patent ES-438840-A1 (ES)
Title: Multi-phase voltage sensing switching device
IPC: H02H7/22
Filed: 1975-06-24
Abstract: The disclosure describes a device for detecting undervoltage conditions on multi-phase alternating current circuits which senses the voltage on the phase having the highest instantaneous positive voltage. A differential between pickup and dropout voltage is provided. Also provided is a delayed pickup following a return to normal voltage on the circuit being monitored.
Patent ES-448823-A1 (ES)
Title: Material for electrophotographic reproduction
IPC: H05K3/06
Filed: 1976-06-11
Abstract: This invention relates to a material for electrophotographic reproduction, which comprises a conductive support having a sensitized photoconductive insulating layer thereon containing at least one photoconductor and containing, as a sensitizer, a polymethine dyestuff capable of absorbing radiation of a wavelength within the spectral range of 400 to 550 nm.
Patent ES-450823-A1 (ES)
Title: Creatinine desimidase and its method of production
IPC: C12Q1/34
Filed: 1976-08-19
Abstract: Creatinine desimidase is produced by fermentation of microorganisms belonging to the genera Brevibacterium, Corynebacterium, Pseudomonas and Arthrobacter. The enzyme is recovered from the microbial cells and culture liquor. The enzyme is used for the quantitative determination of creatinine in a sample.
Patent ES-452361-A1 (ES)
Title: Process for manufacture of 9-amino-9-deoxyclavulanates
IPC: A61P31/04
Filed: 1976-10-13
Abstract: The compounds of the formula (II): < IMAGE > (II) and salts and esters thereof wherein R1 is an inert organic group of up to 14 carbon atoms and R2 is an inert organic group of up to 16 carbon atoms, the group NR1R2 containing up to 22 carbon atoms, are antibacterial agents able to enhance the effectiveness of penicillins and cephalosporins against certain beta -lactamase producing bacteria.
Patent ES-457366-A1 (ES)
Title: Method for producing sparking wheels
IPC: B23P9/02
Filed: 1977-04-30
Abstract: This method is particularly suited for practice on a multiple spindle screw machine in which each work spindle carries a length of bar stock. The work end of each bar is formed, sized and drilled in a conventional manner to form thereon a wheel shaped workpiece which is then rotated between two thread dies to form diagonal grooves in its periphery. The work is then subjected to two successive broaching operations which cut grooves transversely of the lands formed by the threading dies. When the work has entered the bore of the second broaching tool, the tool is rotated slightly relative to the work to upset the teeth so that their sharp cutting edges are caused to face outwardly.
Patent ES-457400-A1 (ES)
Title: Pesticide-containing plastic coverings for agricultural cultivations, and process for obtaining said coverings and for protecting the cultivations from infestant pests
IPC: A01N25/34
Filed: 1977-03-31
Abstract: Plastic films containing pesticides and useful as coverings for agricultural cultivations which also effectively protect the cultivations from both vegetable and animal pests (parasites) are disclosed, as are methods for obtaining and using the coverings.
Patent ES-459592-A1 (ES)
Title: Self-loading pistol
IPC: F41A19/34
Filed: 1977-06-08
Abstract: A self-loading pistol designed as a grip-cocking type pistol, the grip of which is provided with a cocking lever arranged at the gripfront facing the muzzle of the barrel. Said cocking lever loads an energy accumulator which is released by a trigger and which pushes a striker.
Patent ES-461598-A1 (ES)
Title: 2-{8 N-phenyl-N-(cycloalkyl-methyl)-amino{9 -2-imidazolines and salts thereof
IPC: C07D233/88
Filed: 1977-08-13
Abstract: Compounds of the formula < IMAGE > wherein R1, R2 and R3, which may be identical or different from each other, are each hydrogen, fluorine, chlorine, bromine, methyl, ethyl, methoxy, hydroxyl, trifluoromethyl or cyano and R4 is (cycloalkyl of 3 to 6 carbon atoms)-methyl and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as analgesics.
Patent ES-469372-A1 (ES)
Title: Method of manufacturing a plastic tube with longitudinal channels in the wall
IPC: B29C48/90
Filed: 1978-04-05
Abstract: This invention relates to a method of making a tube of thermoplastic material, comprising longitudinal channels of circular cross-section and having such wall stresses that, after axially cutting the tube, the edge parts along the cut edge overlap each other for less than 8% of the outer circumference of the tube.
Patent ES-472092-A1 (ES)
Title: Process for the preparation of dihydroxypolyurethanes and their use as an adhesive or an adhesive component.
IPC: C08G18/42
Filed: 1978-07-27
Abstract: The instant invention is directed to a process for the preparation of dihydroxypolyurethanes containing carboxyl groups and chemically fixed ionic groups, comprising reacting (A) dihydroxypolyesters having molecular weights of from 600 to 8,000 (B) organic diisocyanates (C) compounds containing carboxyl groups and groups having a higher isocyanate-reactivity than said carboxyl groups and (D) compounds containing ionic groups and isocyanate-reactive groups wherein the products of said process contain from 0.01 to 1.0%, by weight of carboxyl groups and from 0.1 to 10 milliequivalents of ionic groups per 100 g of polyurethane.