baber/WOPTO huggingface dataset:
Patent ES-293444-A1 (ES)
Title: Manufacture of bipyridyls
IPC: C07D213/22
Filed: 1963-11-12
Abstract: Bipyridyls are manufactured by interacting an alkali metal or an alkaline earth metal with pyridine or an alkyl pyridine in the presence of an oxidizing agent. The preferred metal is magnesium and the metal may be used in the pure form or as an alloy. Suitable oxidizing agents include oxygen and gaseous mixtures containing oxygen such as air, and also organic nitro compounds, e.g. nitrobenzene and nitroalkanes. In the case of magnesium it is desirable to use a small amount of an alkali metal, a halogen, an alkyl halide or a quaternary pyridinium salt as initiator. In general a mixture of 2,21-, 2,41- and 4,41-isomers are obtained. The bipyridyls may be isolated from the reaction mixtures by fractional distillation (particularly under reduced pressure), fractional crystallization, solvent extraction or by a combination of these methods.
Patent ES-295716-A1 (ES)
Title: Adjustable input impedance amplifier
IPC: H03F3/62
Filed: 1964-01-25
Abstract: An amplifier comprising cross-coupled transistors or an equivalent four-zone device is adjustable so that its input impedance is variable over a range which includes zero impedance. Fig. 1 shows a symmetrical arrangement which will amplify in both directions and in which by adjustment of the resistors to vary the positive feedback, the input impedance can be varied from a positive value, through zero, to a negative value. By adjusting the circuit to be asymmetrical, current gain may be otained. Complementary transistors or the equivalent 4-layer device may alternatively be used (Figs. 3 and 4, not shown). A pair of the amplifiers may be coupled by bridge networks to a line to provide two-way amplification (Fig. 5, not shown).
Patent ES-309338-A1 (ES)
Title: The production of esters, aldehydes, ketones and acids
IPC: C07C51/367
Filed: 1965-02-13
Abstract: Unsaturated aldehydes, ketones and acids and esters of unsaturated alcohols with carboxylic acids are prepared by contacting an unsaturated compound <FORM:1101056/C2/1> in which each R1, R2, R3 and R4 is a hydrogen atom or a saturated alkyl (not more than 8C), or any two of R1, R2, R3 and R4 are combined as a divalent saturated alkyl group, and Y is an acyloxy, aroyloxy or hydroxy group or a chlorine or bromine atom, with a palladium salt in the presence of an aliphatic carboxylic acid containing between 2 and 10 carbon atoms, molecular oxygen and a salt of copper or iron either under anhydrous conditions or in the presence of not more than 20% of water, any halide ions present being chlorine or bromine ions in concentration not exceeding 0.35 molar. Palladium acetate, or preferably a palladium halide may be used and preferably carboxylate (2-10 C) ions are present additional to those provided by the ionization of the carboxylic acid. Processes mentioned use allyl acetate to yield allylidene diacetate which may be hydrolysed to acrolein, and allyl chloride or allyl alcohol to form acrolein methylallyl acetate to prepare methacrolein crotyl acetate to form crotonaldehyde a -methyl allyl acetate to form methyl vinyl ketone g -ethyl allyl acetate to form b -ethyl acrolein and 1-cyclohexene-3-acetate to form 1-cyclohexen-3-one. Mixed products may be formed depending upon the reaction conditions. Examples describe the preparation of mixed products allylidene diacetate, acrolein, and propylene 1-acetate.
Patent ES-336988-A1 (ES)
Title: 2-alkanoyl-4-halo-5-acylaminophenols
IPC: C07C233/16
Filed: 1967-02-03
Abstract: The invention comprises compounds of formula wherein X is halogen, R 1 is an alkanoyl group and R 2 is an acyl group. They are prepared by heating a compound of formula in the presence of a catalyst to affect a Fries rearrangement. A number of suitable catalysts are specified, and an example is given. The acyl group may be derived from an aliphatic, cycloaliphatic, aromatic or heterocyclic acid, e.g. from butyric, cyclohexane carboxylic, benzoic, naphthoic, nicotinic or furoic acid.
Patent ES-356599-A1 (ES)
Title: Plastic closure flange assembly
IPC: B65D39/08
Filed: 1968-07-29
Abstract: In a closure construction comprising a plug receiving flange 2 moulded of plastics material (Fig. 1), a metal securing ring 20 having an inner portion 21 (Fig. 3), and a closure plug 30 moulded of plastics material (Fig. 2), the closure plug, when threadedly engaged with the receiving flange, forces a wall portion 18 against the metal securing ring 20. The annulus of the receiving flange 3 terminates at its lower end in a weakened tearing strip section 6. A pocket 10 receives the pull member 9 when plug 30 is united with the receiving flange. The top surface of plug 30 has four finger engaging recesses (37, 38), Fig. 3 (not shown). In a modification, plug 30 has an internally threaded neck 39, Fig. 6 (not shown), terminating at its lower end in a cut-out diaphragm 40. A plug is designed to fit in the neck 39.
Patent ES-358169-A1 (ES)
Title: Yarn feeder control mechanism for circular knitting machines
IPC: D04B15/58
Filed: 1968-09-27
Abstract: In a yarn feeder mechanism, swivelling of the feeder cage 16 normally effected upon a feed change to prevent the incoming feeder fouling the latches, is over-ridden when a particular feeder 14 is introduced. Fouling by this particular feeder is individually avoided. The swivelling is thus over-ridden when, in knitting the first courses of a sock, an elastic yarn is introduced to be fed with the main yarn, which would otherwise tend to be pulled from the needles. The introduction of feeders is controlled by individually racked cam wheels mounted on a common axis. A bluff bar 11 controlling the cam wheel pawls is so arranged that normally when a yarn is introduced cam wheel 21 is rotated thereby raising arm 23 fixed to the axis 24 of the cage 16 which is thus swivelled. The elastic feeder 14 includes a U- shaped arm in a unit at the end of the stem 14b and spring urged towards the cylinder. When bar 11 is moved to introduce feeder 14 rotation of cam 21 is prevented so that the cage remains stationary. A cam 10a however pulls cable 28 to withdraw the feeder.
Patent ES-359725-A1 (ES)
Title: New carbamoyl oximes, their preparation and compositions containing them
IPC: A01N47/24
Filed: 1968-10-30
Abstract: Pesticidal compositions comprising as active ingredient at least one compound of the formula wherein R 1 represents an alkyl C 1-6 , alkenyl C 2-4 , haloalkyl C 1-4 , haloalkenyl C 2-4 , alkoxy (C 1-4 )-alkyl, alkyl (C 1-4 )-thioalkyl or a dialkyl (C 1-4 )-amino alkyl radical or a phenyl or benzyl radical optionally substituted by halogen and/ or alkyl C 1-6 radicals or halogenoalkyl C 1-4 or alkoxy C 1-4 radicals, R 2 represents an alkyl C 1-6 radical, R 3 represents a hydrogen atom or an alkyl C 1-6 radical, R 4 and R 5 each represent a hydrogen atom or an alkyl C 1-6 or alkenyl C 2-4 radical and X represents an oxygen or sulphur atom, with a disclaimer to those compounds claimed in British Patent 1,181,023, stated to be novel, together with carriers and/or distributing agents suitable for plant protection and if desired other pesticides, e.g. pyrethrines, halogenated hydrocarbons, carbamic acid esters, and the esters and amides of phosphoric, phosphonic, thio and dithio phosphoric acids are applied to the pest habitat in the form of dusts, sprinkling agents, granulates, wettable powders, pastes, emulsions, solutions and aerosils.
Patent ES-364732-A1 (ES)
Title: Flexing treatment of textile cords
IPC: D07B5/12
Filed: 1969-03-13
Abstract: A rubber or rubber-like article containing a textile reinforcing member comprising a plurality of continuous filamentary elements in the form of cords, e.g. of glass, nylon or polyester material, or of fabric formed of such cords arranged in parallel longitudinal relation and held together by spaced lateral warp threads, is produced by a process in which prior to incorporating the member into the article it is progressively flexed along its length under tension so that the flexibility of the member is greater after flexing then before flexing. Prior to flexing the member may have been dipped in an adhesive which bonds it to rubber, dried and hot stretched. After flexing the member may be embedded in uncured rubber applied by calendering, formed into a laminated article, e.g. a tire, and vulcanized. The flexing apparatus shown in Fig. 2 comprises two parallel frame members 10 that support idler rolls 11 and 12 mounted in bearings 14 secured to the bottom of frame members 10 and adapted to guide web 13. Extending between frame members 10 parallel to one another and perpendicular to the path of travel of the web are three stationary tubular supports 15 and two adjustable tubular supports 16 having secured thereto flexing bars 17 "L"-shaped in cross-section, which extend longitudinally along each support 15 and 16 from end to end and over which the web is flexed in passing. Supports 16 are mounted for rotary movement relative to slide blocks 20 and are biased to the desired position by means of coil tension springs. The desired angle of flexure of the web as it passes through the apparatus is adjusted by vertical adjustment of the tubular supports 16 carried at each end by slide blocks 20 received in vertical guides 21, by means of screw jacks 32 each comprising a threaded plunger 33, top plate 34 which engages slide block 20 and helical gear 35 threaded on plunger 33 and mounted for rotary movement, the teeth of the helical gear 35 engaging worm 36 mounted at the end of a motor-driven driveshaft.
Patent ES-364936-A1 (ES)
Title: Safety toe iron for ski bindings
IPC: A63C9/085
Filed: 1969-03-18
Abstract: In a toe-piece for a safety ski-binding the toe-holder member 6 is connected to the baseplate 1 by a carrier 4. The base-plate is formed with screw holes 2 for attaching it to the ski and has a dovetail-shaped guide strip 3 which engages in a similarly shaped recess in the carrier 4. The carrier also has a dovetailshaped guide track 5 which engages in a recess in the holder member 6 and is forwardly curved from the centre to the edge. The toeholder 7 is connected by a screw 8 to the toeholder member 6, the vertical slot 9 in the toeholder enabling adjustment for soles of different thicknesses. The carrier 4 contains a pin 10 formed with a conical top 11 which fits into a recess in the toe-holder member 6, the lower end bearing on the top of the base plate. The guide track 3 has two holes 12 (not shown) symmetrically arranged with respect to the central longitudinal axis of the toe-piece into which the lower end of the pin can engage when the carrier has been sufficiently transversely displaced relative to the base plate. A weak spring 13 is fitted around the pin bearing on the conical top and a shoulder of the bore. Another spring holds the carrier 4 in its central position on the base plate and serves to return the carrier to this position when, it has been displaced. If a force is sufficiently large to displace the toe-holder and carrier the pin 10 engages in one of the holes 12 and the carrier is locked to the base plate and the toe-holder will move on along the guide track 5 of the carrier, thus releasing the toe portion of the boot. In a second embodiment the toe-holder member and carrier are pivoted to the base plate by a pivot pin. The locking device comprises a hole in the carrier which carries two balls. In a third embodiment the toe-holder is formed of two parts which are symmetrical about the central longitudinal line.
Patent ES-379099-A1 (ES)
Title: Circular knitting machines
IPC: D04B15/34
Filed: 1970-04-27
Abstract: A circular knitting machine having latch needles, sinkers and terry instruments is provided with a cam assembly having sinker operating cams and terry instrument cams mounted to permit relative adjustment between them to vary the relative timings of the sinker and terry instrument cams. In a machine having multiple knitting stations and sinker and terry instrument cams at the different stations, these are respectively on different cam plates which are relatively adjustable, with the sinker cams engaging butts which project the opposite way to the terry instrument butts.
Patent ES-395571-A1 (ES)
Title: Method and apparatus for continuously casting hollow rounds
IPC: B22D11/08
Filed: 1971-09-30
Abstract: A method and apparatus for continuously casting a hollow round for manufacturing seamless tubing. Apparatus includes an open-ended tubular water-cooled mold and a tubular water-cooled lance suspended within the mold, leaving an annular cavity therebetween. Molten metal is poured into the cavity. Outside and inside skins solidify on the metal, at first leaving a liquid core between the two skins. There is a problem that the inside skin tends not to remain concentric with the outside skin. Invention provides magnetic means acting on plugs within the inside skin to hold the two skins in a concentric relation.
Patent ES-399659-A1 (ES)
Title: Fruit-grading plant
IPC: B07B13/00
Filed: 1972-02-11
Abstract: This fruit grading plant is of the type comprising an immersion-type emptying station, a transfer trough in which water is circulated for directing the fruits to a sorting and grading station, and a plurality of discharge troughs for feeding the graded fruits of each grade and/or size to a case filling station.
Patent ES-402507-A1 (ES)
Title: Embossed core wrap for electrical cables
IPC: H01B7/02
Filed: 1972-05-08
Abstract: An electrical cable having a conductor core and a protective covering therefor with an embossed polyester film interposed between the periphery of the conductor core and the protective covering. The embossed film provides an essentially liquid-tight seal about the conductor core and affords mechanical protection, thermal insulation, dielectric protection and electrical stability for such core.
Patent ES-405365-A1 (ES)
Title: Scaffold tube coupler
IPC: E04G7/14
Filed: 1972-07-29
Abstract: A coupler for connecting a pair of round scaffold tubes, embodying hinged tube clamping jaws having limited opening movement but exceeding 90 DEG such as to allow lateral initial positioning of the scaffold tube passed the clamping bolt.
Patent ES-407113-A1 (ES)
Title: Cooling pump system
IPC: F04B39/06
Filed: 1972-09-22
Abstract: An apparatus having a heat developing part such as a compressor in a refrigeration system, said part being adapted to be cooled by a cooling medium supplied thereto by means of a pump, control means being provided for regulating the supply of cooling medium in response to actual cooling requirements of the heat developing part characterized in that the pump is at least partly constituted by a thermal positive displacement pump of the type comprising a closed container partly filled with a liquid pumping medium, said container having a lower outlet pipe for said pumping liquid and an inlet pipe connected to a pumping liquid reservoir through inlet control means operable to effect refilling of pumping liquid into the container the container being in heat conducting connection with a heating source operable to heat the container so as to increase the vapour pressure in the container sufficiently to cause liquid to be pressed out through said outlet pipe for thereby causing said cooling medium to be supplied to said heat developing part, the pumping liquid and the cooling medium preferably being identical whereas the container is placed in heat conducting connection with the heat developing part which thus at least partly constitutes the said heating source.
Patent ES-407509-A1 (ES)
Title: Method and means for connecting electrical conductors to railroad rails
IPC: B23K20/08
Filed: 1972-10-05
Abstract: A conductor is electrically connected to a railroad rail by positioning a conductive adapter between an explosive charge and the rail. The relative locations of the adapter, charge, and rail are such that the detonation of a charge welds the adapter to the rail. The charge is then detonated. The conductor is either prejoined to the adapter before the positioning, or else is placed between a portion of the adapter and the rail before detonation. Thus, the conductor is ultimately joined to the adapter.
Patent ES-410398-A1 (ES)
Title: Device for measuring liquid level and air pump for use therein
IPC: G01F23/16
Filed: 1973-01-05
Abstract: Air pump comprises a first, constant volume chamber having an outlet, a vent to atmosphere, and an inlet connecting it to a second variable volume chamber, the volume of which is controlled by a flexible membrane. Operating means are provided for simultaneously actuating the membrane to reduce the volume of the second chamber and closing said vent so that air is expelled from the second chamber through the first chamber and its outlet, preferably into the pneumatic circuit of a manometric system for measuring the level of liquid in a container, e.g., the level of oil in the crankcase of a motor.
Patent ES-415047-A1 (ES)
Title: Derivatives of 1-phenoxy-3-amino-propane-2-ol and process for their production
IPC: C07D213/38
Filed: 1973-05-23
Abstract: The present invention relates to pharmacologically valuable new derivatives of 1-phenoxy-3-amino-propane-2-ol and process for their production. The new derivatives of 1-phenoxy-3-amino-propane-2-ol are suitable for the treatment and prophylaxis of diseases of the heart. Some possess pronounced beta -adrenalytic or anti-arythmic properties. These new derivatives have the structural formula WHEREIN X signifies AND THE PHENYL NUCLEUS I may be mono-, di- or trisubstituted by alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, alkoxy, alkenyloxy, phenyl, halogen or the radical -NR1R2, in which R1 stands for alkyl or acyl and R2 for hydrogen or alkyl, together with their aldehyde condensation products and their acid addition salts.
Patent ES-423223-A1 (ES)
Title: Multiple miniature capacitor
IPC: H01G4/28
Filed: 1974-02-14
Abstract: A ceramic structural body is formed with a plurality of adjacently located integrally connected ceramic thin wall tubes. The outer surfaces of the tubes are metallized to form one electrode of the capacitor, the inner surfaces of the tubes also being metallized to form the other electrode of the capacitor. Connection means are connected to the outer surfaces of at least one of the tubes and to the inner surface of at least one of the tubes the inner and outer surfaces of the tubes may be sub-divided, and electrically isolated from each other by portions of the underlying ceramic material, or may be continuous, to form a continuous electrode.
Patent ES-424702-A1 (ES)
Title: Circuit interrupter protective device
IPC: H01H71/40
Filed: 1974-03-27
Abstract: A circuit interrupter protective device responsive to abnormal currents in conductors of an electrical distribution system characterized by a circuit breaker within a first insulating housing and having a mechanism for opening and closing separable contacts which mechanism comprises a releasable member movable from latched to unlatched positions, trip means comprising a stationary magnetic structure for each conductor as well as a coil and core assembly and armature therefor, a trip bar movable to unlatch the circuit breaker mechanism and biased in the latched position, lever means associated with the stationary magnetic structure for moving the trip bar to the unlatched position, the lever means comprising the armature and being movable in response to abnormal currents in at least one of the conductors, the lever means being biased away from the core assembly, and means for adjusting the spacing between the lever and core assembly.
Patent ES-429542-A1 (ES)
Title: Azacycloalkane-2,2-diphosphonic acids
IPC: A61Q11/00
Filed: 1974-08-26
Abstract: Azacycloalkane-2,2-diphosphonic acids having the formula OO HO PARALLEL PARALLEL OH ANGLE PP ANGLE HOOH ANGLE C ANGLE (CH2n--N-R wherein R is a member selected from the group consisting of hydrogen and alkyl having from 1 to 3 carbon atoms and n is an integer from 3 to 5 as well as their water-soluble salts. The azacycloalkane-2,2-diphosphonic acids are excellent sequestering agents especially for alkaline earth metal ions. They are stabilizers for percompounds and are useful in the delaying of the setting times for gypsum.
Patent ES-429851-A1 (ES)
Title: Dryer in particular for laundry
IPC: D06F58/22
Filed: 1974-09-06
Abstract: A laundry dryer having a lint screen which lies diagonally across an air passage defined between the door and body of the dryer so as to be readily accessible for cleaning when the door is opened. A perforated plate is positioned between the lint screen and the dryer drum to protect the screen from damage by articles in the drum.
Patent ES-433569-A1 (ES)
Title: Apparatus for producing understrips for hinge lid cigarette packets
IPC: B31B50/20
Filed: 1974-12-20
Abstract: Apparatus for producing understrips for cigarette packets of the hinge lid type. A web of the reel-wound cardboard material is dragged along an infeed track, intermittently, by rolls which operate in conjunction with counter rollers and make on the web, parallel with its forward motion, two rows of indentations, punctuated with notches. A cutting device is placed transversely to the infeed track. It consists of a reciprocally movable knife and a stationary knife, and operates in a phase relationship with the web feeding, indenting and notching roll and counter rollers, such that all understrips, detached from the continuous web, are identical. The movable knife has means for holding the understrip detached from the continuous web and for thereby presenting the understrip to apparatus for additionally shaping it and transferring it.
Patent ES-454537-A1 (ES)
Title: Circuit for implementing a modified LRU replacement algorithm for a cache
IPC: G06F12/12
Filed: 1976-12-23
Abstract: A digital LRU network in which a use value in a chronology register always appears to be increasing it is incremented for each access to a different data block currently represented in an active LRU array and this use value is copied into an index for that block in an active use-value array. Special circuits are provided to maintain the appearance of continuously increasing use values. At the start of each array search, the special circuits check the chronology register to determine if its use value is nearing its highest registerable value by testing its two high order bits for 1's. If so, the chronology register is set to 100...0, which is higher than any use value in the active array, after the use values in the active array are shifted one bit position to the right by writing them into corresponding positions in another array, which then becomes the active array. The right shift drops the low-order bit in the use values and sets the high-order bit to zero. The right shift increases the range of use values that can subsequently be set into the active array without affecting the stored relationships among the existing use values, and enables the incrementing of use values to continue. The second array is used to permit overlap of the read cycle of one array with the write cycle of the other array.
Patent ES-458348-A1 (ES)
Title: Anti skid chain
IPC: B60C27/18
Filed: 1977-04-30
Abstract: Anti-skid tire chain comprises a network positionable during use in the region of the tire tread. The network includes two parallel chains extendable along opposite sides of the tread, a plurality of rings interconnected into each chain for guiding same and a plurality of straps. Each strap interconnects one ring from one chain with one ring from the other chain and each crosses over another strap. At least one post is connected to a strap in the region of each intersection and is composed of synthetic material.