baber/WOPTO huggingface dataset:
Patent ES-313791-A1 (ES)
Title: Echo-sounding apparatus for examining strata below the sea-bed with variable gain means responsive to sea-bed echoes
IPC: G01V1/24
Filed: 1965-05-28
Abstract: In an ultrasonic pulse-echo sounding system for examining strata below the sea-bed, a control circuit responsive to the sea-bed echo generates a control waveform for varying the gain of an amplifier connected between the receiving transducer and a chart recorder in such a manner that the gain has a low value when the sea-bed echo is received and subsequently rises progressively to a higher value, thereby suppressing the sea-bed echo reverberation in the recording and compensating for the rapid attenuation of acoustic energy in the strata. In the embodiment of Fig. 1 (Provisional) the sea-bed echo is selected by a fixedgain amplifier 15 and triggers a generator 16 to produce the control waveform for varying the gain of the receiving amplifier 13. A suppression pulse is also applied to generator 16 from a transmission pulse generator 10 to prevent generator 16 responding to the signal produced by direct passage of the transmitted pulse to the receiving transducer. The control waveform produces a sharp drop in gain upon receipt of the sea-bed echo, followed by a progressive recovery to the level determined by a sensitivity control signal which is also applied (not shown) to amplifier 13. The sensitivity control signal may provide conventional swept gain to compensate for the decreasing strength of echo signals with distance. In the embodiment of Fig. 2 (not shown), generator 16 is replaced by a waveform generator (17) and a suppression gating circuit (18) whose outputs are such that the gain of amplifier 13 is normally held at a low value, rises progressively during a gated recording interval commencing with the arrival of the sea-bed echo, then returns to the low value. To suppress the sea-bed re-echo, a generator (22) produces a suppression waveform for amplifier 13 after a delay (measured from the instant of transmission of an acoustic pulse) which is selected by circuits (19) and (20) according to the interval between the transmission of the acoustic pulse and the reception of the first sea-bed echo. An additional, adjustable, delay is provided to take into account the fact that the transmitting and receiving transducers (or combined transmitting-receiving transducer) are (or is) below the surface of the water and the sea-bed re-echo time is therefore not exactly twice the sea-bed first-echo time. The amplitude and rate of decay of the sea-bed re-echo suppression waveform are adjustable. In either embodiment, the rate and magnitude of the variation of the gain of amplifier 13 are adjustable, and a delay device may be connected between the receiving transducer and the gain control circuits to introduce a delay such that one sea-bed first-echo signal generates the control waveform for the passage of the next sea-bed first-echo signal through receiver amplifier 13.
Patent ES-313873-A1 (ES)
Title: Machine for producing bags of plastic material
IPC: B31B19/90
Filed: 1965-06-05
Abstract: Two strips 3, Fig. 2, welded to the mouth of a plastics bag 2 at 4a, 4b form a closure for the bag, the projections 5a, 5b interengaging when the strips 3 are pressed together. The longitudinal edges of the bag are welded together. The strip may be provided with a slider and may have simple or double-lipped guards.
Patent ES-338340-A1 (ES)
Title: Cross-linkable copolymer dispersions
IPC: C08F2/22
Filed: 1967-03-22
Abstract: (a) Compounds of the formula CH 2 = CR-CO-NH-CH 2 -NHCO-CH 2 Cl (where R is H or methyl) are prepared by reacting equimolar amounts of N-methylolchloroacetamide and (meth)acrylamide in glacial acetic acid in the presence of cone. HCl and phenothiazine. (b) The compound of formula CH 2 = C(CH 3 ) -COO-CH 2 -CH(CH 3 )-OOC-CH 2 Cl is prepared by reacting equimolar amounts of #- hydroxypropyl methacrylate and chloroacetic acid in toluene in the presence of p-toluene sulphonic acid and 2,6-di-t-butylphenol-4-methylol methyl ether, while removing water of reaction azeotropically. (c) The compounds of formula CH 2 = C(CH 3 )- CO-A-CO-NH-CO-CH 2 Cl (where A is -NH- or -O-CH 2 -CH(CH 3 )-O-) are prepared by reacting equimolar amounts of chloromethylacylisocyanate and methacrylamide or #-hydroxypropyl methacrylate respectively in dry toluene.
Patent ES-338451-A1 (ES)
Title: Acrylic composite fibers having irreversible three - dimensional coil crimps
IPC: D01F8/08
Filed: 1967-03-25
Abstract: A wet spun composite fibre comprises two dissimilar polymeric materials in lamellar longitudinal conjugation, each of said polymeric materials consisting of acrylonitrile which has been copolymerized with 5 to 15% of at least one hydrophobic non-crystalline high polymer forming monomer, different proportions of this monomer being present in each polymeric material with the difference being from 0.5 to 6% by weight, the polymeric materials containing also different amounts of strong acid groups, the smaller amount being present in the polymer containing the greater amount of hydrophobic non-crystalline high polymer forming monomer the difference in the amount being from 4 to 30 multi equivalents per 100 grams of polymer so as to impart to each of the polymeric materials the same initial rate of dyeing, the fibre having three-dimensional coil crimps of water-reversibility of less than 0.85 at 3 derniers.
Patent ES-340173-A1 (ES)
Title: Coupleable chassis
IPC: B62D53/08
Filed: 1967-05-05
Abstract: A trailer which may be used singly or coupled with another to form a tandem trailer comprises a main chassis 10 having bolsters 28, 29 adapted to support a container, this chassis 10 having a front section of reduced height which supports a king-pin 10 and longitudinal I-section beams 30 on which is slidably mounted a sub-chassis 17 capable of being secured in a rearwardly extended position, Fig. 6, the sub-chassis mounting a pair of guide prongs 20, a king-pin guide plate 19 and king-pin latching means, and there being slidably mounted on I-section beams 40 of the sub-chassis a single axle wheel bogie 13. A pair of trailers are connected by extending the subchassis of a first trailer and locating it beneath the forward end of the second trailer so that the king-pin of the second trailer is retained by the latching means on the sub-chassis. The bogie of the first trailer is then slid from its sub-chassis on to the sub-chassis of the second trailer and secured thereto to form a tandem axle. The subchassis is retained in its non- extended or extended position by pins 55 which pass through apertures in I-beams 30 and 40 The pins may be retracted by a lever 66 through a toggle mechanism, Fig. 9, against the force of springs 57. The bogie may be retained in e selected position by means of a pin 90 mounted thereon passing through an aperture 45 in a plate 43 secured to the sub-chassis. The pin may be withdrawn against a spring 93 by a handle 95, and held down by a latch mechanism 98, 99, 100, Fig. 13, until tripped by a member 102 secured to the main chassis at a desired location. Phenolic pads 52 and 71 aid sliding between the component elements of the trailer. The bogie, Fig. 12, comprises a rectangular frame 70 having four hangers 74 on which are pivoted tilt plates 82. The axle 85 is supported by a pair of springs 84 pivotally fixed between a pair of the plates 82. In a tandem trailer arrangement the pair of bogies are arranged so that the adjacent tilt plates contact each other and act as a load equalizing mechanism. A bumper 36, Fig. 10, is pivoted at 37 to the rear end of the trailer so that when hit from the left it will pivot to a dotted out-of-the-way position, but when hit from the right an extension 35 will abut a beam 31.
Patent ES-344486-A1 (ES)
Title: Apparatus for electrical machinery of current conductive workpieces
IPC: B23H7/26
Filed: 1967-08-26
Abstract: In an electro-erosion machining apparatus, the size of the working gap between a tool electrode and a workpiece is maintained constant by a positioning mechanism which includes at least three servo-controlled jacks. As shown, an electrical discharge machining apparatus comprises a tank having side walls 5 and a base 2 which supports a workpiece 1 immersed in a dielectric liquid contained in the tank pistons 9 which support a tool electrode 8 above the workpiece 1 to define a working gap and which allow the tool electrode to be moved towards or away from the workpiece whilst preventing relative lateral or angular movement between the two a generator connected to supply electrical discharges across the gap and at least three jacks 13, two of which are shown, which regulate the spacing between the toolelectrode and the workpiece in dependence upon gap conditions as sensed by a servocontrol system 19, 20. The jacks operate in synchronism and each comprises an hydraulic motor 13a rotatably driving a threaded member 14 engaging a nut 15, the motors 13a being removably mounted on the tool electrode 8 by way of angle plates 16 and the nuts 15 being removably attached to the workpiece 1 by way of angle plates 17 and insulating sleeves 18. The servo-control system may include a synchro-transmitter responsive to gap conditions and controlling synchro-receivers associated with the jacks 13, a suitable arrangement being described with reference to Fig. 2 (not shown). The toolpiece electrode and the workpiece may be mounted on vertical support members to define a vertical working gap, and there may be a mechanical linkage to provide a position feed-back to each synchro-receiver (Figs. 3, not shown). In another embodiment the tool electrode is supported by two crossbeams and there are four jacks, one at each end of the two beams (Figs. 4 and 5, not shown). The servo-system may be of the numerical control type including digital photo-electric position sensors.
Patent ES-344937-A1 (ES)
Title: Process for the manufacture of carbon tetrachloride
IPC: C07C17/093
Filed: 1967-09-11
Abstract: Carbon tetrachloride is produced by the chlorination of carbon disulphide in a process wherein carbon disulphide is continuously chlorinated at a temperature in the range of from 105 to 130 C., the reaction mixture is distilled to separate sulphur monochloride, the carbon tetrachloride and unreacted carbon disulphide are worked up by conventional methods and the sulphur monochloride is reduced with hydrogen at a temperature in the range of from 350 to 500 C., in the absence of a catalyst, to obtain sulphur and hydrogen chloride.
Patent ES-352409-A1 (ES)
Title: System for treating sewage water using flocculation and aeration as a means thereby
IPC: C02F3/12
Filed: 1968-04-04
Abstract: Sewage enters scoop 28 by inlet 26 and tilts the scoop so as to feed regenerated aerated sludge from scoop 29, in regeneration chamber 5, to the mixing chamber 10 via the screen 31. The mixture is aerated by diffuser 12 and then transported by means of air lift 13 to the flocculation chamber 11 where further aeration takes place with diffuser 18 which also prevents sedimentation. The mixture passes via opening 20 to sedimentation chamber. Purified liquid is discharged at 32 while sludge passes through the openings 22 to be lifted by diffuser 23 for return to raw sewage. If the sludge level rises too high it is fed back to sedimentation tank by pipe 25.
Patent ES-354558-A1 (ES)
Title: Improvements in or relating to water-bearing explosives
IPC: C06B47/14
Filed: 1968-05-31
Abstract: A slurry explosive composition comprises an oxidizing salt, a fuel and water, and includes a sensitizer of oxygen balance more positive than - 150% and comprising a salt formed from an inorganic oxidizing acid and an acyclic nitrogen base and/or a phenylic amine the nitrogen base should have no more than 2 hydrogen atoms bonded to the or each basic nitrogen atom and up to 3 carbon atoms per basic nitrogen atom. Sensitizing salts specified are hydrazine nitrate, dinitrate and perchlorate, monomethylamine nitrate, chlorate and perchlorate, ethylenediamine dinitrate and diperchlorate, nitrates of dimethylamine, trimethylamine, ethylamine, propylamine, guanidine and urea, aniline nitrate, chlorate and perchlorate, p-chloroaniline nitrate, and phenylene diamine dinitrate cyclohexylamine nitrate and diethylamine dinitrate may be used in mixture with other salts. The oxidizing salt may be ammonium, alkali metal or alkaline earth metal nitrate or perchlorate. Sulphur, carbon, vegetable products, Al, Al-Mg, Fe, ferrosilicon, ferrophosphorus, TNT, PETN, RDX, HMX, and smokeless powder may be present as fuels and auxiliary sensitizers. As a thickening agent, guar gum may be added, together with potassium dichromate and potassium antimony tartrate for cross-linking polyacrylamide may also be included. The composition may also include a small amount of a fatty alcohol sulphate, many of which are specified, to improve sensitivity at low temperature. Other ingredients referred to are fluidizing agents and buffering agents, e.g. fumaric acid. In examples, the following ingredients are used in addition to those specified above: sodium nitrate, stearic acid, coal, formamide, refined mineral oil, bagasse pith, sodium lauryl sulphate, and phenolformaldehyde hollow particles to trap air bubbles.
Patent ES-355308-A1 (ES)
Title: Centering apparatus for transport system for moving cop changing apparatus
IPC: D01H9/10
Filed: 1968-06-21
Abstract: An antiprotozoal and anthelmintic antibiotic, antiamoebin, is prepared by cultivating an antiamoebin-producing strain of Emericellopsis synnematicola, e.g. ATCC 16540, E. poonensis, e.g. ATCC 16411, E. minima, E. humicola or Cephalosporium pimprina, in a culture medium under submerged or surface aerobic cultivation. Antiamoeba is isolated from a fermentation broth by (a) solvent extraction, (b) adsorption. Adsorption is on activated C or magnesium aluminium silicate, followed by elution with an alcohol, e.g. methanol. Extraction may be of the clarified broth or mycelium at e.g. pH 5À0 using waterimmiscible, polar solvents for the broth e.g. n-butanol, and aliphatic alcohols, ketones, and aliphatic mono-alkyl ethers of ethylene glycol for the mycelium. The antibiotic is precipitated from the extract by the addition of a non- solvent. Further purification is by crystallization from solvents. Antiamoebin is a neutral polypeptide, forming white needles, melting point 219-220 C., [[alpha]]DD5 + 10 (C = 1À02% CH 3 OH) soluble in CH 3 OH, C 2 H 5 OH, C 3 H 7 OH, pyridine, glacial acetic acid, dimethyl formamide, methyl ether of ethylene glycol insoluble in water, chloroform, ether, petroleum ether, ethyl acetate, butyl acetate, acetone, benzene, methyl chloride and ethylene glycol acid hydrolysis produces the amino acids proline, [alpha]-amino isobutyric acid, phenylalanine, valine, leucine, hydroxyproline, lysine and glutamic acid elementary analysis C = 56À11%, H = 7À56% and N = 13À56% U.V. (Fig. 1, not shown) I.R. Figs. 2 and 3. A therapeutic oral preparation for the treatment of protozoal and helminth infections in man and animals comprises the antibiotic antiamoebin.
Patent ES-358500-A1 (ES)
Title: Toy vehicle,particularly a model locomotive
IPC: A63H19/10
Filed: 1968-09-25
Abstract: A toy vehicle, particularly a toy locomotive, has an electric driving motor 8 and gearwheels 4, 5, 5', 6, 7, 39 and 39' which are assembled on a mounting block 2 supporting the motor 8 and forming a self contained housing 3 for the gear wheels and having a detachable side wall 14 integral with a detachable end Wall 17, the block 2 being insertable into the vehicle chassis 1. The gear housing 3 is enclosed top and bottom and one side and one end by walls of the box shaped container 12, and by a detachable side panel 14 integral with a detachable end panel 17. Panel 14 is secured with screws and panel 17 by a tab 19, insertable into a recess 20 of the wall 12 (see fig. 5). The circular collared end 29 of the motor 8 is inserted in a circular opening 30 in the detachable end wall 17 and meshes with gear wheel 7 which drives the wheels via gears 4, 5, 5', 6, 39 and 39'. Gears 4, 5 and 5' are mounted loosely on axles having one end fixed to wall 11, and the other insertable into holes in detachable wall 14, whereas gears 6 and 7 are fixed to their axles, which run in holes in walls 11 and 14. The other collared end 32 of the motor 8 is fixed by a retaining plate 33 attached by two screws (not shown), and the motor body rests in recess 27 of the block 2. The plate 33 carries soldering tabs and contacts to supply current to the motor from the pick ups. The motor is provided with an overload cutout to prevent damage, and the gear wheels are prevented from rubbing the sides 11 and 14 off the housing 3, by means of bosses such as 40 (fig. 5) and 41 (fig. 4).
Patent ES-359443-A1 (ES)
Title: Razor blade magazine
IPC: B26B21/26
Filed: 1968-10-23
Abstract: A magazine 12 for fitting into a holder 10 comprises a ribbon blade 22 movable over a supporting platform 24 from a supply position 20 by means of a take-up arbor 28, the blade passing through inlet and outlet channels leading to and from the platform, at least one channel having a raised surface 104 arranged to increase the stress on the cutting edge of the blade as the magazine is inserted into the holder thereby maintaining the rear edge of the blade against a reference surface (60, Fig. 4). The magazine 12 is formed with a base-member 14 and a clip-on front cover 16, the take-up arbor 28 and supply position 20 being provided in the base. The front cover 16 is formed with tapered surfaces 44, 50 and 104 which cause the front edge of the blade to be bent upwardly as it passes below the supporting platform and thereby cause the operative portion of the blade above the platform to be curved away therefrom. When the magazine is inserted into the holder 10, a lip 82 formed on a web 84 is pressed against the curved blade portion by means of a latch 92, Fig. 1, so as to flatten the curved portion against the platform and, at the same time, urge the rear edge of the blade against the reference surface 60.
Patent ES-363023-A1 (ES)
Title: Improvements relating to fibre-reactive heavy metal-containing formazane dyes and their use
IPC: C09B62/20
Filed: 1969-01-28
Abstract: The invention comprises dyes of formula wherein R is a monovalent organic radical, A is the radical of an ortho-linked diazo component, B is the radical of a diazo component free from metallizable groups, X is a metallizable group, Z is an acid water-solubilizing group, Y is a fluoropyrimidyl radical, R1 is H or alkyl, Me is a metal of At No. 24-29, or is 1-5 and n is 1 or 2. The dyes are prepared by condensing a corresponding amino-formazane dye with a poly-fluoropyrimidine. They may be used to colour cellulose fibres by the usual reactive dyeing processes in brown, blue and grey shades.
Patent ES-368024-A1 (ES)
Title: Casting mold
IPC: B22C9/08
Filed: 1969-05-27
Abstract: A casting mould has a cope la and a drag 1b with mould cavities 2, 3. Runners 4 are provided at the parting plane of the mould and lead to vertical gates 5. Molten metal is fed to the gates from funnel-shaped channels 7 which in turn connect with pouring basins 9 (see Fig. 2). The channels 7 do not extend below the highest point of the mould cavities. During pouring the channels 7 act as metal reservoirs. After pouring the molten metal should be at the level of the top of gates 5 and none should remain in the channels 7. In a modification, the mould has two cavities of different heights.
Patent ES-370965-A1 (ES)
Title: Stringers for fasteners
IPC: A44B19/40
Filed: 1969-08-01
Abstract: A stringer for a fastener comprises a plurality of longitudinally spaced engaging elements 34 of plastics material, each extending transversely of the length of the stringer and having at least one interengaging projection 58, 60 at an upper end and having a lower end that rests adjacent to the material surface, the elements being interconnected by a strip of plastics material 36 reinforced by textile threads. In each engaging element 34 two upright portions 44, 46 having interengaging projections 58, 60 are separated by a base portion 38 in which there is a central hole 62 adjacent which the upper surface of the base portion 38 is chamfered to guide the sewing machine needle during the process of sewing stringer 20 to the edge of material 24 by the thread 22. The textile reinforcing threads between the elements 34 may be either a plurality of longitudinally extending textile threads or an open woven tape 36, with perforations 37 provided to increase the flexibility. Recesses in the outer edges of the upright portions 44, 46 serve as guides for the slider 32 which can be locked by means of spring biased pins 80 (not shown) which are connected to the lever pull and engage complementary indentations 54 or 56 (not shown) provided in the recesses 50, 52. In a further embodiment each upright engaging element portion is provided with a hook projection which engages with similar hooks of a complementary stringer in a fastener, the two rows of engaging elements of each stringer being interconnected by a single reinforced plastics strip. The hooks are contoured such that they will snap together thereby obviating the need for a slider, in which case locking can be accomplished by providing smaller spacing between several engaging elements at one end of the fastener.
Patent ES-375898-A1 (ES)
Title: Warp knitted garments and apparatus and method for making the same
IPC: D04B21/00
Filed: 1970-01-26
Abstract: A double needle bar, warp knitting machine, of the Raschel type, produces a continuous, two ply web formed of two superposed, warp knit, single fabrics, cross interlooped along successive course-wise extending strips, spaced apart wale-wise, to form a succession of open ended, course-wise extending tubes. Stretchable-retractive yarns may be provided wale-wise of the tubes so that when the doubled web is severed into individual tubes and the tubes are turned through 90 DEG , the stretchable yarn runs circumferentially of the tube to form a stretchable garment such as a girdle, panty brief, or the like.
Patent ES-378221-A1 (ES)
Title: Catalytic cracking of isobutyraldehyde
IPC: C07C1/207
Filed: 1970-04-03
Abstract: In an oxo process for producing n-butyraldehyde as the desired product from propylene, carbon monoxide and hydrogen, the unwanted isobutyraldehyde also produced is catalytically cracked to yield propylene, carbon monoxide and hydrogen, which are recycled. The cracking is performed in the gaseous phase at 200- 400 C. under a pressure of 0À 1-20 -atmospheres, using a catalyst comprising rhodium and/or platinum.
Patent ES-381167-A1 (ES)
Title: High-frequency recordings device
IPC: G11B5/53
Filed: 1970-06-25
Abstract: An apparatus for recording and/or reproducing video signals on or from a magnetic tape which is helically wound around a cylindrical drum. The drum comprises two axially aligned drum parts which are separated by a gap in which at least one magnetic head rotates during operation. The magnetic head is arranged on an arm which is pivotably mounted on a rotatable disc and which is in a retracted position when the disc is stationary and pivots outwards under the influence of the centrifugal forces when the disc is rotating. The magnetic head is positioned with respect to the tape by means of abutment faces which are provided on the inner surfaces of the drum parts adjacent the gap and cooperate with the pivoting arm. Drum parts and magnetic tape are preferably accommodated in a cassette which is placed on an apparatus which includes the head disc.