baber/WOPTO huggingface dataset:
Patent ES-340300-A1 (ES)
Title: Processes for the preparation of aliphatic acid esters
IPC: C07C67/00
Filed: 1967-05-09
Abstract: Esters of general formula (wherein R2 and R1, which may be the same or different are each an alkyl group) are prepared by condensing a 1 -nitro-2-R1-ethane in an anhydrous medium in the presence of a basic agent with acrylonitrile to form the corresponding 4-nitro-5-R1-pentanenitrile which is reacted in the presence of water with an excess of a strong mineral base to form the corresponding 4 - oxo - 5 - R1 - pentanenitrile which is reacted in the presence of an acid agent with an aliphatic alcohol (ROH) to form the ester. The 4-nitro-5- R1-pentane nitrile is not isolated, but converted in situ to the oxo compound. Esters specified are butyl 5-methyl-levulinate (butyl-4-oxohexanoate), and butyl 5-ethyl-, butyl 5-n-propyl- and butyl 5-iso-propyl levulinates. 4-oxo-5-R1-pentane nitriles are novel compounds prepared as above.
Patent ES-348911-A1 (ES)
Title: Insoluble heterocyclic disazo dyes
IPC: C09B43/136
Filed: 1968-01-03
Abstract: Heterocyclic disazo compounds containing two heterocyclicazo-aniline groups of general formula WHERE D is a heterocyclic diazo component such as thiazolyl, benzthiazolyl, benzimidazolyl, etc.
Patent ES-358492-A1 (ES)
Title: Motor-compressor unit
IPC: F04B39/12
Filed: 1968-09-25
Abstract: A motor-compressor (not shown) is resiliently supported in a housing 2 by springs 12 each of which has an attached bracket 14 received in a socket 16 fixed to the housing 2, the bracket and socket being crimped together. Each spring 12 has ends of reduced diameter, the lower end being screwed into the motor compressor body and the upper end into a notched portion 26 of the bracket 14. Each socket is in the form of a shallow channel having a back 32 and inwardly bent arms 30. During assembly each bracket is inserted downwardly between the arms 30 and the back 32 and when in the desired position a portion 37 of each arm 30 is crimped into a notch 34 in the vertical edge of the bracket.
Patent ES-358537-A1 (ES)
Title: Constant debit gauging wheel
IPC: B67C3/24
Filed: 1968-09-26
Abstract: In a metering wheel liquid dispenser, liquid is dispensed at a constant rate from a container 1 by a wheel 7, driven by a variable speed motor, having at least the lower part immersed below the liquid level 3 in the container 1 and provided with first and second scoops 11, 15 Fig. 2 (not shown) occupying semicircular portions of the wheel 7 and the arrangement is such that the first scoop 11 has twice the capacity of the second scoop 15 and, as the wheel 7 is rotated in the direction of the arrow, the scoop 11 is filled with liquid through an aperture 13 half of the liquid passing through a channel 17 to fill scoop 15 and then pass to an outlet channel 19, chamber 23 and duct 31 the remaining half of the liquid left in the scoop 11 subsequently passing through a passage 21, chamber 23 and duct 31.
Patent ES-367561-A1 (ES)
Title: Wool-polyester textile articles having a polymeric finish
IPC: D06M15/263
Filed: 1969-05-22
Abstract: The wash-and-wear properties of wool/ synthetic textiles, especially wool/polyester are improved without affecting the hand or causing shade changes by a process comprising a) coating with a polymeric composition containing an alkyd resin and a copolymer of from 40-60% vinyl acetate and 60-40% of an ethylenically unsaturated acid or salt thereof, and b) heating the treated textile until the wash-and-wear properties are improved. The treatment composition is preferably applied in an aqueous mixture having a) from 20-80 parts by wt. of the copolymer b) from 20 to 40 parts by wt. of the alkyd resin c) from 960 to 880 parts by wt. of water. The copolymer may be formed from vinyl acetate and acrylic acid and the alkyd resin may be ethylene glycol phthalate.
Patent ES-374262-A1 (ES)
Title: Improvements in or relating to a process for the production of foundry cores and compositions therefor
IPC: B22C9/02
Filed: 1969-12-05
Abstract: A two-part cold-setting foundry moulding composition comprises a mixture of (i) a granular refractory material coated with a methylolated product and (ii) a granular refractory material coated with a suspension or solution of a phenolic novolak resin and an acid material. The methylolated product may be a reaction product of a phenol, a urea, a triazine or dicyandiamide with formaldehyde or may be furfuryl alcohol or furfuryl alcohol partial polymer or a reaction product of furfuryl alcohol with formaldehyde. Mixtures or co-condensates of any of these products may also be employed and in this respect co-condensates of urea with formaldehyde and furfuryl alcohol are particularly preferred. The phenolic component of the phenol novolak may be phenol, m-cresol, 3,5- xylenol, or resorcinol. Typical novolaks employed are phenolformaldehydes having a molar ratio of phenol to formaldehyde within the range 1:0À2-1:0À9. The acid material may be a mineral acid such as sulphuric acid an organic acid such as p-toluene sulphonic acid acidic salts such as zinc chloride or aluminium chloride or mixtures thereof. The granular refractory material is desirably silica sand but ground quartz, zircon or chromite sands may also be used together with additives such as mill scale and plumbago. The moulding composition may be produced by coating one portion of a granular refractory material with 0À5-5% by weight of methylolated product in a mixer, coating the second portion of granular refractory material with the phenolic novolak and acid material in another mixer, charging both coated products to separate feed chambers, subsequently simultaneously discharging the two coated products, preferably in approximately equal quantities, into a common chamber where mixing is effected and finally discharging the mixed product into a core-box or mould before the mixture sets.
Patent ES-390905-A1 (ES)
Title: (2,4,6-Alkoxy)(3-pyrrolidino propyl) ketones
IPC: C07D295/12
Filed: 1971-05-05
Abstract: Novel aminoketones of general formula R4 CO-(CH2)n-N ANGLE R5 in which each of R1, R2 and R3, which may be the same or different, represents a hydrogen atom or an alkyl group, each of R4 and R5, which may be the same or different, represents a hydrogen atom or an alkyl group or R4 and R5 together form, with the nitrogen atom to which they are bonded, a heterocyclic group with 5,6 or 7 ring atoms, optionally containing, in addition to the indicated nitrogen, a further hetero-atom which is sulphur oxygen or an additional nitrogen atom and n is 1, 2, 3 or 4 or an acid addition salt thereof, are provided having spasmolytic and/or vasodilatant properties.
Patent ES-419590-A1 (ES)
Title: Remote control system utilizing signal frequency sequence
IPC: H04N5/00
Filed: 1973-10-11
Abstract: A remote control system comprising, a remote transmitter for producing a remote control signal having different frequency components arranged in a predetermined order, and a receiver producing a plurality of control signals in response to the order of frequency components of the remote control signal.
Patent ES-420895-A1 (ES)
Title: Anti-arterio sclerotic clofibrinate ester prepn. - from alpha-tocoferol (deriv) and clofibrinic acid
IPC: C07D311/72
Filed: 1973-11-27
Abstract: Cpd. (I) is prepd. by reacting cpd. (II) with cpd. (III): (where R1, R2 and R3 are H or Me (I) and (III) may be in d,1 or d-1 configuration). (I) have normolipaemic activity and activate the metabolism of artery walls, and may be used for treating hyperlipaemia, hypercholesteraemia or esp. arteriosclerosis and other vascular disorders.
Patent ES-422901-A1 (ES)
Title: Process and apparatus for the rapid transfer of a product from a gas stream into a carrier gas stream
IPC: B65G53/00
Filed: 1974-02-04
Abstract: A process for rapidly transferring a product from a gas stream into a carrier gas stream while avoiding an intermixture of the two gas streams which comprises separately introducing the product-containing gas stream and the carrier gas stream at different levels into a separating apparatus, maintaining separation of the two gas streams by insert means forming a slot with the wall of the lower part of the apparatus, and deflecting the product particles entering with said first gas stream to pass through the slot and thereby to meet the carrier gas stream at the lower level, by which stream they are taken along, and finally withdrawing the carrier gas stream with the particles therein at the bottom of the apparatus. An exemplary embodiment of the apparatus by which the process may be carried out is likewise shown.
Patent ES-427514-A1 (ES)
Title: Boiler and elements therefor
IPC: F24H1/38
Filed: 1974-06-21
Abstract: A boiler element which, welded to similar elements, provides alternating fire ducts and water ducts separated by single, relatively thindividing walls. The dividing walls can be made relatively thin, and hence with optimum heat-transfer characteristics by virtue of the fact that they have a lateral, relatively short, rigid peripheral flange or ridge. The lateral ridges of adjacent elements are welded together to form a compact and undeformable peripheral wall for a water duct between two dividing walls.
Patent ES-427747-A1 (ES)
Title: Antiskid vehicle brake system for individual wheel control including a fluid pressure comparator device
IPC: B60T8/34
Filed: 1974-06-27
Abstract: An electronic antiskid brake control system for effecting adjustment of brake pressure on the individual wheels of a common axle of a vehicle independent of the operator controlled brake pressure in such a manner that when a predetermined brake pressure difference arises between the respective wheels, due to the skidding of one wheel, the higher wheel brake pressure is adjusted so as to prevent the brake pressure difference from exceeding the predetermined difference. In one embodiment, a control piston subject to the different wheel brake pressures operates a switch armature between a pair of electrical contacts via which one or the other of modulating valves in the respective wheel brake lines is energized when the predetermined brake pressure difference arises. In a second embodiment, a pressure limiting valve subject to the different wheel brake pressures is connected in each brake line between the modulating valve and brake cylinder to adjust the brake pressure of that wheel when the other wheel brake pressure is greater by the predetermined brake pressure difference. Until this predetermined brake pressure difference develops, the non-skidding wheel in each of the above embodiments produces normal braking to obtain good stop distances, while steering stability is maintained by limiting the brake pressure difference in excess of that which is considered unsafe.
Patent ES-429605-A1 (ES)
Title: Levelling auxiliaries for acid dyes
IPC: D06P1/607
Filed: 1974-08-28
Abstract: A levelling auxiliary for dyeing fibrous material of polyamide fibers with acid dyes in the acid pH range in the presence of a mixture which contains (based on the solids in each case) from 30 to 90% by weight of a surfactant having sulfonic acid groups and from 10 to 70% by weight of an oxyethylated polyamide which has been prepared by the reaction of 1 part by weight of polyamide with from 2.5 to 3.5 parts by weight of ethylene oxide. Level dyeings devoid of streaks are obtained.
Patent ES-430196-A1 (ES)
Title: Process for transforming continuous synthetic fibre strip into cut strip and apparatus for carrying out the process
IPC: D01G1/10
Filed: 1974-09-19
Abstract: A process for transforming continuous synthetic fibre strip into cut strip suitable for feeding spinning machines of the wool or cotton type, consisting of subjecting the fibre strip to a first stage of continuous transverse incision and then to a second stage of longitudinal tearing.
Patent ES-431693-A1 (ES)
Title: Fabric for use in making footwear
IPC: D04H1/4258
Filed: 1974-11-06
Abstract: A non-woven fabric adapted for use in footwear is impregnated with a polymer prepared by polymerizing acrylic acid or methacrylic acid, mixtures thereof, or mixtures with other vinyl monomers in the presence of polyethylene oxide to improve its water absorption characteristics.
Patent ES-433796-A1 (ES)
Title: Buffer zone for counterflow preheater
IPC: F22B1/02
Filed: 1975-01-14
Abstract: A steam generator having a U-shaped tube bundle, which extends upwardly from a tubesheet, and a wrapper encircling the tube bundle, a preheater disposed on the cool leg of the bundle and a distribution plate disposed between the tube sheet and the preheater to form a buffer zone, the buffer zone being effective to prevent cold influent feedwater entering the steam generator from channeling along the tubes and contacting the tubesheet.
Patent ES-437082-A1 (ES)
Title: Process for batch production of sponge iron
IPC: C22B5/02
Filed: 1975-04-28
Abstract: Sponge iron is produced by a process including a charging step during which an iron oxide is arranged as a stationary bed in a furnace chamber, a heating step during which a hot, preferably non-reducing atmosphere is cased to flow through the stationary bed, and a reduction step during which a hot reducing atmosphere is caused to flow through the stationary bed to reduce the iron oxide to sponge iron. Optionally, there is a final cooling step during which cold non-oxidizing atmosphere cools the sponge iron. The relatively hot atmosphere which has just passed through the stationary bed is counter-currently heat exchanged with the relatively cool fresh atmosphere about to enter the furnace chamber.
Patent ES-443842-A1 (ES)
Title: Method of manufacturing an overwrapped pressure vessel
IPC: F17C1/16
Filed: 1975-12-24
Abstract: A pressure vessel of the type wherein a metallic liner in the shape of a cylindrical portion with a dome-shaped portion at each end thereof is overwrapped by a plurality of layers of resin coated, single fiberglass filaments. A four-step wrapping technique reinforces the vessel with overwrap material at the most likely areas for vessel failure. Overwrapping of the vessel is followed by a sizing pressurization cycle which induces a compressive prestress into the liner and thereby permits the liner to deform elastically through an increased strain range.
Patent ES-443908-A1 (ES)
Title: Inclined pin wheel for yarn storage drum
IPC: B65H51/22
Filed: 1975-12-27
Abstract: To maintain the windings or wraps of yarn on a supply drum formed of spaced rods, corrugations or the like, in a predetermined axial region thereof and to move the yarn axially along the drum, a pin-wheel gear or stub-tooth gear is arranged laterally of the drum, with the pins or stub teeth at an angle with respect to the axis of rotation of the drum, the pins or stubs being moved by engagement with the rods or corrugations of the drum as the drum rotates when driven to store yarn, the inclination of the pin-wheel gear providing an axially directed pushing force against the windings accumulating on the drum.
Patent ES-454809-A1 (ES)
Title: Sealing plate support
IPC: F28D19/04
Filed: 1977-01-04
Abstract: An adjusting means for rotary regenerative heat exchange apparatus by which a sealing plate that lies adjacent an end of a rotor containing a mass of heat absorbent element is adjusted axially to maintain a closely spaced relationship whereby there will be a minimum clearance space to permit fluid leakage therebetween.
Patent ES-465540-A1 (ES)
Title: Rabbles and material handling systems utilizing the same
IPC: F27B9/18
Filed: 1977-12-29
Abstract: The rabbles of this invention have a concave active face. They are used in a system for processing material including, for example, a substantially circular and horizontal floor, and a rabble system disposed above, but adjacent to, said floor. The rabble system urges material on the floor to desired locations, such as discharge openings, in response to relative motion between the floor and the rabble system. The rabble system includes a plurality of rabbles. Substantially each rabble has a body portion which carries a curved or angled surface. This curved or angled surface defines a concave active face. Each rabble also has a leading edge substantially perpendicular to the floor. The concave active face extends from the leading edge and is both substantially parallel to the leading edge and substantially perpendicular to the floor. Said rabbles are preferably oriented in a system with their body portion adjacent their leading edges at an angle in the range of about 0 DEG to about +/-13 DEG to the flow of material and with a portion of their concave active faces oriented to intercept and move material in the desired direction. During relative rotary motion between the floor and the rabbles, this orientation and configuration of the rabbles reduces the build-up and bridging of material in front of and between the leading edges of the rabbles while the concave active faces cause substantial amounts of material to flow across the floor. These rabbles and systems are especially useful in the operation of rotary hearths.
Patent ES-469790-A1 (ES)
Title: Use of fine-particulate alkali metal alumino-silicates in the process of dye soaping
IPC: D06P5/10
Filed: 1978-05-12
Abstract: In the process of dyeing or printing textile materials comprising subjecting textile material to the action of aqueous dye solutions or suspensions at elevated temperatures, followed by soaping with soaping agents and recovery of the dyed or printed textile materials, the improvement consisting essentially of employing a fine-particulate, water-insoluble alkali metal aluminosilicate, containing bound water, of the formula (M2O)x.Al2O3.(SiO2)y wherein M represents an alkali metal, x is an integer from 0.7 to 1.5 and y is an integer from 0.8 to 6, said aluminosilicates having an average particle size in the range of from 0.1 to 25 mu and a calcium binding power of from 20 to 200 mg CaO/gm of anhydrous active substance measured at 22 DEG C. according to the Calcium Binding Power Test Method set out in the specification, as an auxiliary soaping agent.
Patent ES-470215-A1 (ES)
Title: Mixing vial
IPC: B65D25/08
Filed: 1978-05-24
Abstract: A dual compartment mixing vial having a center seal isolating one compartment from the other is provided with a stopper at its open end which embodies a rod that is slidably positioned therethrough. The rod, upon being pushed downwardly, abuts the center seal of the vial and causes it to be displaced, thereby permitting the contents of the two compartments to intermix within the closed vial. An activating cap is provided for preventing accidental movement of the rod and to facilitate intentional movement of it.
Patent ES-471277-A1 (ES)
Title: Power-operated chuck
IPC: B23B31/167
Filed: 1978-06-29
Abstract: A power-operated chuck with gripping jaws guided radially in a chuck body, each of the jaws being driven by a spur toothing from a drive jaw which is movable radially inside the chuck body. The drive jaws are driven by a chuck piston which is axially movable in the chuck body and operates all the drive jaws in common. Independently of the corresponding gripping jaw, each drive jaw is guided in the radial direction and guided non-displaceably in the tangential direction and fixed in position in the axial direction directly in the chuck body. As a result there occurs an indirect securing of the positive connection between the clamping jaws and driving jaws, which positive connection is directly provided by the spur toothing. The chuck piston which is guided directly in the chuck body can be moved beyond the working stroke into a position in which it is out of engagement with the drive jaws.
Patent ES-473448-A1 (ES)
Title: Digital frequency divider
IPC: H03K23/64
Filed: 1978-09-18
Abstract: A simple and reliable digital frequency divider for non-integer rational divisors using a signal polarity switch commanded by an auxiliary counter which derives its counting pulses from a main N-position counter. For such complex divisors the generation of phase leads by toggling the signal polarity switch can be delayed or some phase leads can be suppressed by using relatively low-frequency delay pulses, to avoid large auxiliary counters. Video timing circuits are described based on digital frequency dividers of such types.
Patent ES-474103-A1 (ES)
Title: Suspension system for harvester shaker member
IPC: A01D46/28
Filed: 1978-10-11
Abstract: A suspension and support system for shaker elements of a mechanical harvester wherein a generally horizontal shaker element support is suspended from the frame of the machine by a pair of generally vertical links pivotally connected at their lower and upper ends respectively to the shaker element support and frame, the links being of unequal length so that the unequal swinging movement of the links relative to the frame will result in a solely horizontal movement of the shaker element which is mounted on the end of the horizontal support member. The pivot connections have no relatively moving, interengaged surfaces so as to prevent sticking of such connections in the event juice accumulates thereon.
Patent ES-475264-A1 (ES)
Title: Process for recovery of chemicals from saline water
IPC: C01D3/06
Filed: 1978-11-21
Abstract: A continuous process for the recovery of chemicals in saline water including the steps of converting the sulfates in the saline water feed to sodium sulfate separating and recovering in the oxide forms essentially all of the magnesium and calcium from the saline water feed then preparing a sodium chloride fortified solution by mixing the feed with recycled sodium chloride crystallizing and re-crystallizing and then separating sodium chloride crystals, preferably in two evaporative crystallization processes stripping bromine from the sodium chloride depleted solution crystallizing and then separating sodium chloride and sodium sulfate crystals from each other and then from solution recycling the separated sodium chloride to the first sodium chloride crystallization step separating residual sulfates from the solution crystallizing and then separating sodium chloride crystals recycling the separated sodium chloride to the first sodium chloride crystallization step crystallizing and then separating potassium chloride from the solution and recycling the resulting solution to the last sodium chloride crystallization step. Substantial quantities of potable water are produced by the process. In a preferred embodiment, sodium chloride is electrolytically converted to sodium hydroxide, chlorine and hydrogen. Part of the sodium hydroxide is used in the process, the remainder is concentrated and flaked. Part of the chlorine is liquified, the remainder is combined with a portion of the hydrogen to form hydrochloric acid. Finally, the steam boiler flue gas may be combined with sodium hydroxide to produce the sodium carbonate used in the process.
Patent ES-475266-A1 (ES)
Title: Anti-theft device particularly for road vehicles
IPC: F02N15/10
Filed: 1978-11-21
Abstract: An electrically operated valve for controlling the fuel supply circuit of an I.c. engine, is connected in an energizing circuit 16 associated with a parallel circuit 13,21 which is connected to the circuit supplying the winding or relay of a starter motor 22 and provided with a switch 15, the current being so directed that, when the switch 15 is in the closed position, the valve 1 is set in the position closing the fuel supply when the current stream passes through the starter motor, provision being made of means for returning the valve 1 to the open position thereof, when the electric line supplying the latter has been broken.