baber/WOPTO huggingface dataset:
Patent GB-1446308-A (GB)
Title: Electric resistance welding apparatus
IPC: A61C13/20
Filed: 1972-09-23
Abstract: 1446308 Welding by pressure SHEFFIELD UNIVERSITY OF C J MINORS and G F BAXTER 9 Aug 1973 [23 Sept 1972] 44102/72 Heading B3R Electric resistance orthodontic welding apparatus comprises two mountings for electrodes between which the components to be welded are held in use, one of the electrodes being movable towards and away from the other by being carried by two slidably mounted pillars, spring means being provided to apply the pressure between the electodes to hold the components, and the tension of the spring means being adjustable. In an embodiment a lower electrode 44 is fixed to a frame 22 and an upper electrode (not shown) is secured to a bar 10 mounted on twin pillars 12 slidable in bearings 28, 30 in the frame. A collar 14 is mounted on each pillar and a spring 16 is arranged around each pillar between the collar 14 and an adjusting plate 18 through which the pillars slide. The plate 18 is movable relatively to the frame by a hand wheel 24 to adjust the spring pressure, the wheel 24 co-operating with a scale 26. A compensating bar 34 is pivotally secured at 36 to a lever 38 mounted for rotation with an axle 40 connected to twin levers 42 under operator control. In use the adjusted springs 16 press the upper electrode on to the lower electrode and to release the pressure the levers 42 are depressed to rotate the axle 40 and lever 38 to cause the bar 34 to engage and lift the pillars 12 and thus the upper electrode. The bar 10 may carry a rotatable electrode assembly described in Specification 1,446,310.
Patent GB-1320028-A (GB)
Title: Means for generating a dc voltage in accordance with variations in the amplitude of control pulses
IPC: H02M3/338
Filed: 1970-09-17
Abstract: 1320028 DC-DC converters HAZELTINE CORP 17 Sept 1970 [26 Sept 1969] 44401/70 Heading H2F [Also in Division H3] Apparatus for generating a D.C. voltage whose amplitude is controlled in accordance with the variations in amplitude of supplied controlled pulses (see Division H3) uses a D.C. amplifier comprising a transistor 37 with its emitter and collector back-coupled over a saturable core transformer 38 to constitute a monostable circuit. The collector supply potential comprises the voltage to be amplified, and triggering pulses are applied to the emitter over capacitor 34 and diodes 35, 36. A tertiary winding on transformer 38 feeds a voltage, doubling rectifier circuit comprising diodes 41, 42 and capacitors 39, 40 the output of which is smoothed by resistor 31 and capacitor 32 and fed to load 33.
Patent GB-960493-A (GB)
Title: Motor fuel compositions containing polyolefin substituted succinimides of tetraethylene pentamine
IPC: C10L1/2383
Filed: 1961-12-12
Abstract: A motor fuel contains 25 to 5000 p.p.m. of a polyolefine substituted succinimide of tetraethylene pentamine, wherein the polyolefine substituent is derived from a polymer RH of a C2-5 olefine which polymer contains 30 to 200 carbon atoms. The fuel may be of the gasoline or diesel type.  Lead tetraethyl may also be present.
Patent GB-1381448-A (GB)
Title: Secondary batteries having molten alkali metal anodes
IPC: H01M10/39
Filed: 1973-09-24
Abstract: 1381448 Secondary cell with molten alkali metal anode ESB Inc 24 Sept 1973 [26 Sept 1972] 44595/73 Heading H1B A rechargeable cell comprises a molten alkali metal anode 2, preferably sodium, a solid separator 4 selectively-ionically-conductive to cations of the sodium metal, an electrolyte 5 of molten alkali metal chloraluminate, preferably NaAlCl 4 , and a porous carbon cathode 3. The electrolyte 5 serves both as cathodic reactant and electrolyte In the charged state chloride ions are stored on the surface of the cathode 3 and during discharge these ions enter the electrolyte 5 The pores of the carbon cathode may be filled with powdered activated charcoal to improve the adsorption of chlorine. The preferred material for separator 4 is beta alumina. The cell operates at a temperature from 150-200 C.
Patent GB-1080707-A (GB)
Title: Means for detecting radioactive radiation
Inventor: CHAMEROY JEAN
IPC: H01J47/02
Filed: 1964-11-02
Abstract: 1,080,707. Ionization counters. GROUPEMENT ATOMIQUE ALSACIENNE ATLANTIQUE. Nov. 2, 1964 [Nov. 9, 1963], No. 44607/64. Heading H1D. [Also in Division G1] An arrangement for detecting radio-active radiation includes an ionization chamber comprising at least one collecting electrode 3, maintained at a constant voltage, and two high tension electrodes 1 and 2 supplied with A.C. potentials which are in opposite phase, the frequency of the alternating ionization current being twice the frequency of the A.C. in the high tension electrodes. The electrodes 1 and 2 may be part-cylinders as shown or may be complete cylinders disposed one outside and one inside electrode 3. Alternatively, the electrodes may be flat. To measure γ radiation flux the electrodes 1 and 2 are connected to a push-pull generator 10 having a frequency F. The collector electrode 3 is connected through an amplifier 14 tuned to a frequency 2F and a D.C. generator 12 to the centre point M of the generator 10. To measure neutron flux the chamber is filled with boron trifluoride or coatings 6, 7 and 8 of boron are provided. A second collecting electrode in the form of a cylinder surrounding electrodes 1 and 2 may be provided to form a γ-compensated neutron detector, measurement being effected by a differential amplifier.
Patent GB-1362099-A (GB)
Title: Hydraulic connector actuation apparatus and method
IPC: F16L37/00
Filed: 1972-09-28
Abstract: 1362099 Pipe couplings HYDROTECH INTERNATIONAL Inc 28 Sept 1972 [18 Oct 1971] 44896/72 Heading F2G  In an hydraulically-operated coupling between pipe 12 and socket 10, a pair of coaxial pistons 23, 24 are provided in each of a group of hydraulic cylinders. This facilitates purging hydraulic fluid and replacing it with hardenable fluid, thus hydraulic fluid is supplied through port 43 to produce initial gripping, as in Fig. 3. Subsequently, hydraulic fluid is supplied through port 49, while it is gradually exhausted, through port 43, to prevent relaxation of grip. Finally, hardenable fluid is supplied through port 43 while the hydraulic fluid is gradually exhausted through port 49. If the connection should subsequently become loose, hardenable fluid could be supplied through port 49, to tighten it. A pressure test ring 20 is provided to test the tightness of packing rings 18 and 19. In a sleeve coupling for two pipes (79, 80, Fig. 6, not shown) each cylinder contains three pistons (88, 89 and 94).
Patent GB-1162667-A (GB)
Title: Improvements in or relating to Ink Feeding Arrangements for Printing Machines
IPC: B41F15/40
Filed: 1966-10-07
Abstract: 1,162,667. Stencilling apparatus; inking. DARGOLS, and M. G. de SOUZA DIAS. 7 Oct., 1966 [7 Oct., 1965], No. 44964/66. Heading B6C. Ink feeding apparatus for a printing machine having a relatively movable impression member and a spreader element, e.g. a silk-screen and a squeegee, comprises an ink storage cylinder and a piston movable under the action of compressed air to force ink out of the cylinder through duct means to the spreader element. General arrangement (Fig. 1).-A frame 7 is slidable in the directions F on guide-bars 8 under the action of a pneumatic jack (9), Fig. 2 (not shown); a silk-screen 6 is tensioned on the frame 7 so that the screen is movable relative to a squeegee 10 which is pivotally mounted on spindle 10a, and is raised or lowered under the action of a second pneumatic jack (11). The article 5 to be printed is generally cylindrical and is supported on rollers 4 mounted on a carriage 1 which is slidable transversely across the screen 6. Inking apparatus (Fig. 3).-The inking apparatus comprises a cylinder 21 having a piston 24 separating chamber 21a which contains ink, from chamber 21b; the chamber 21a is connected to supply ducts 22 which extend to positions near the lower edge of the squeegee 10, Fig. 1, while chamber 21b connects with a line 25 for compressed air. The piston-rod 23 can ies a pointer 27 co-operating with a scale 26 to indicate the amount of ink remaining in chamber 21a. When the chamber is empty, cylinder 21 is inverted, and channelled block (29), Figs. 4 and 5 (not shown), is removed so that the cylinder can be refilled with ink. Diluent can be added to chamber 21a at any time from reservoir 30 through pipe 31, or from cup 28 through bore 23a in piston-rod 23 when a further rod 29 is removed from the bore. This diluent can also act as a solvent for cleaning the cylinder and supply ducts. Operation.-Pneumatic control circuits, Fig. 2 (not shown), operate when an article 5 is placed on carriage 1 and actuates valve 15 to cause movement of the screen 6 across the article; simultaneously squeegee 10 is lowered and compressed air is admitted to chamber 21b to cause ink to be discharged through ducts 22. At the end of the printing stroke, the squeegee is raised. When pointer 27 reaches zero on scale 26, the main air line is automatically disconnected.
Patent GB-1360867-A (GB)
Title: Pneumatic tube system
IPC: B65G51/20
Filed: 1971-09-28
Abstract: 1360867 Pneumatic conveyers INTERNATIONAL STANDARD ELECTRIC CORP 28 Sept 1971 [28 Sept 1970] 45041/71 Heading B8A An arrangement for stopping carriers in a pneumatic tube dispatch system comprises a pneumatic conveyer tube 1, a sliding valve 4 acting as a stop and three branch pipes 6, 7, 8 to control the venting of the conveying medium. The pipes 6, 8 have respective valves 11, 10 to control the rate of venting and the pipe 7 has a valve 14 which is normally closed and is controlled by a carrier sensor 16 such that on arrival of a carrier at the stop 4 the valve 14 is opened whereby successive carriers will have slowed down before they abut the carrier at the stop. The pipes 6, 8 have further valves 12, 13 which are opened when the stop 4 is opened. A carrier sensor 17 controls a dispatch station (not shown) when the number of carriers stored against the stop extend back to said sensor and a further sensor 18 acts to open valve 12, upon detection of a carrier after the sensor 17 has been actuated, to prevent said carrier from reaching the sensor 17.
Patent GB-1341070-A (GB)
Title: Earth fault protection devices for an electric circuit
IPC: H02H3/347
Filed: 1971-09-28
Abstract: 1341070 Protective arrangements GENERAL SIGNAL CORP 28 Sept 1971 [28 Sept 1970] 45100/71 Heading H2K An earth fault protective arrangement comprises a core-balance transformer 11, a load resistor 14 connected to the transformer secondary winding 13 in series with a rectifier 15 and a resistor 17, a capacitor 16 connected across the resistor 17, threshold trigger means 18, 19 responsive to the charge accumulated by the capacitor when unbalance occurs, and a relay 21 energized by the means 18, 19 to effect the opening of a contactor 23, 24. The trigger means is a Zener diode 19 which breaks down to trigger a controlled rectifier 18 into conduction. This energizes the coil 21 of the relay causing the relay to open its contacts 22 and to latch open, the coil 23 of the contactor being deenergized. The circuit constants are such that the transformer saturates on heavy earth faults, the charging of the capacitor 16 provides a delay and the discharge of the capacitor provides the energy for operation of the relay.
Patent GB-950233-A (GB)
Title: Non-soap detergent toilet bars
IPC: C11D1/22
Filed: 1961-12-15
Abstract: A synthetic detergent table comprises a sodium primary C15- 20-n-alkyl sulphonate, and water in an amount of 5-15%, preferably about 10%, by weight of the sulphonate.  The tablet suitably also includes 5-50 mol. per cent, based on the total active ingredients of an alkylaryl sulphonate, preferably a sodium or magnesium alkyl (polypropylene) benzene sulphonate. Alkyl sulphates, alkylphenol polyoxyethylene sulphates, acyl isothionates, fatty acid monoglyceride sulphonates, polyethylene glycols and the monostearate thereof, C12- 16-fatty alcohols, stearic acid, mineral oil and fatty acid alkanolamides such as lauric isopropanolamide may also be incorporated, as well as primary n-alkyl sulphonates having potassium, ammonium, calcium or magnesium cations. The ingredients containing 10-20% water are mixed and then milled to ribbons which are then plodded at 75-125 DEG F.; the mass is extruded in the form of a continuous rod, which is severed into the desired pieces for stamping, the resulting bars having a water content of 5-15%.
Patent GB-1521058-A (GB)
Title: Method for the polymerization of vinyl chloride
IPC: C08F14/00
Filed: 1975-10-31
Abstract: 1521058 Polyvinylchloride; anti-scaling agents SHIN-ETSU CHEMICAL CO Ltd 31 Oct 1975 [31 Oct 1974] 45181/75 Heading C3P In a polymerization vessel employed for the bulk polymerization of vinyl chloride, either alone or with comonomers, the inner walls and, optionally, other surfaces which contact the polymerization system are coated with a metal complex of a polar organic compound and/or an organic dye. The coatings serve to prevent fouling of the reactor walls, &c. with PVC scale.
Patent GB-1501799-A (GB)
Title: Gathering machine for folded sheets
IPC: B65H5/30
Filed: 1976-11-02
Abstract: 1501799 Feeding and collating sheets GRAPHA-HOLDING AG 2 Nov 1976 [14 Nov 1975] 45580/76 Heading B8R Opening folded signatures.-Folded signatures are fed at a plurality of feeding stations on to chains 2 having pushers 3, the stations being spaced along the chains, whereby the signatures are collated, and at each station the signatures are separated from a pile 5 by a suction device 8 and each is transferred to a drum 9 having grippers 10 which carry it fold foremost to an abutment 11 and then release it to the nip between opening drums 12, 18 having grippers 13, 17 which grip the two edges to open it and drop it on to a support 19 where it is removed by the next pusher 3, the edges being directed against concave guide surfaces 25, 24 whence they are blown down by air from nozzles 27, 26, and further such nozzles being provided between the stations.
Patent GB-1021709-A (GB)
Title: Process for the production of pure lactams
IPC: C07D201/16
Filed: 1964-11-11
Abstract: A pure lactam is obtained by re-arranging a cycloalkanone oxime with sulphuric or phosphoric acid, diluting the re-arrangement mixture with water, extracting the lactam with an acidic organic compound which is (a) liquid at the extraction temperature, (b) not substantially soluble in the acid phase of the re-arrangement mixture, and (c) chemically inert with respect to the re-arrangement mixture, and has a dissociation constant of 10-2 to 10-15, and separating the acidic organic compound from the extract, e.g. by distillation.  The extract may be washed with water. The process may be operated cyclically with recycling of water, sulphuric or phosphoric acid and acidic organic compound.  Specified acidic organic compounds include phenol, cresols, xylenols, mono- and di-chlorophenols, nitrophenols, valeric acid, oleic acid, stearic acid, chlorostearic acid, phenylacetic acid, amyl alcohol and benzyl alcohol.  The lactams of aminovaleric, aminocaproic, aminocaprylic, aminoundecanoic and aminolauric acids may be prepared.
Patent GB-1529490-A (GB)
Title: Television cameras
IPC: H04N5/225
Filed: 1976-11-06
Abstract: 1529490 Television camera MARCONI CO Ltd 25 Aug 1977 [6 Nov 1976] 46278/76 Heading H4F The television camera tube of a studio or outside broadcast type television camera may be used as a portable camera by constructing it as a unit which can be removed from the housing of the television camera, the associated control and processing circuitry remaining within the housing. The television camera tube when removed from the housing may be fitted to a shoulder mount or a tripod. A lens may be fitted to the camera tube when removed from the housing, the conventional studio or outside broadcast lens being fitted to the housing.
Patent GB-1210640-A (GB)
Title: Improvements relating to screwpress flywheels
IPC: F16D69/04
Filed: 1969-09-19
Abstract: 1,210,640. Friction gearing. LINDEMANN MASCHINENFABRIK G.m.b.H. 19 Sept., 1969 [1 Oct., 1968], No. 46335/69. Heading F2Q. A friction wheel cum flywheel for a screwpress has non-metallic friction material mounted in a peripheral groove in the rim 5 and free to drift circumferentially around the rim, the friction material comprising arcuate segments 9 retained radially in the groove by having lateral projections 10 which engage in continuous annular channels 11 in the groove sidewalls. Each segment extends over 45 degrees of arc. In one form, all segments except one are split longitudinally (Figs. 5, 6, not shown) to facilitate assembly. The remaining segment, Fig. 7, is in three portions, the centre portion 15 being inserted last and glued to the side portions 14. In Figs. 9, 10, one flange 18 of the rim is cut away at 17 over 50 degrees of arc, to allow the assembly of one-piece segments, the final segment being secured radially by spring clips 19 inserted through slots 20 in the rim. In Fig. 11, a flange portion 22 of the rim is removably secured to the rim by a key 23.
Patent GB-1096956-A (GB)
Title: Crop growing device
Inventor: COOPER ALLEN JOHN
IPC: A01G9/02
Filed: 1964-11-13
Abstract: 1,096,956. Growing plants in glass houses. NATIONAL RESERCH DEVELOPMENT CORPORATION. Nov. 12, 1965 [Nov. 13, 1964], No. 46373/64. Heading A1E. Plants are grown in elongated containers 2 supported on a framework 1 in tiers in stepped formation. Perforated pipes 3 extend through the growing medium and are separated therefrom by a sheet of fibreglass 5, water or liquid nutrient being supplied to the pipes 3 from subsidiary tanks 9 supplied from a main tank 8. A water level indicating tube may be attached to each container. The containers may be channel shaped or comprise tubes provided with apertures through which the plants may grow. The apparatus is particularly described for growing tomato plants by the one-truss method and wires 7 are provided to support the plants. The pipes 3 may be connected to a source of steam prior to planting so that the growth medium can be sterilized.
Patent GB-1003749-A (GB)
Title: Improvements in bearing alloys
Inventor: DERNTL JOSEF
IPC: C22C21/10
Filed: 1962-08-23
Abstract: A bearing alloy comprises: .Al.60-80% .Cu.1-10% .Sb.0.1-2.0% .Sn.0.1-1.0% .Cr or Ni.0.05-0.2% the balance being zinc apart from unavoidable traces of magnesium.
Patent GB-1530280-A (GB)
Title: Seal arrangement between a flange and attachment surface
IPC: F16L23/20
Filed: 1975-11-17
Abstract: 1530280 Pipe joints DAIMLER BENZ AG 17 Nov 1975 [27 Nov 1974] 47249/75 Heading F2G A pipe flange 3, e.g. of a steel exhaust pipe 2, is fixed by a symmetric arrangement of bolts 7 to a surface 4, e.g. of a soft aluminium alloy cylinder head 1, with an intermediate substantially flat and substantially symmetrical seal 10 that has tabs 12, 13 co-operating with a stop surface 5 on the flange 3 or the said surface 4 to ensure correct positioning. The seal 10 comprises a pressing from sheet metal with a raised sealing bead 14 on one face surrounding a fluid passage and raised support beads 15 on the same face partly-surrounding bolt holes 20; the support beads 15 are preferably 1/5 to 1/3 less in height than the sealing bead 14 to limit its compression and are arranged to contact the steel pipe flange 3 rather than the aluminium surface 4 so that there is no scoring of the latter.
Patent GB-1092748-A (GB)
Title: Resolution of racemic mixtures of optically active enantiomorphs
IPC: C07B57/00
Filed: 1965-11-10
Abstract: Racemic mixtures of optically active enantiomorphs are resolved by (a) preparing a supersaturated solution of the racemic mixture; (b) contacting the supersaturated solution with one of the optically active enantiomorphs in finely-divided solid crystalline form to effect preferential crystallization of said enantiomorph and consequent depletion of the supersaturated solution relative to said enantiomorph; (c) separating the crystalline enantiomorph from the depleted solution; (d) removing the depleted solution to a dissolving zone; (e) bringing the solution to a state in which it is less than saturated with said enantiomorph and saturated with the other enantiomorph; (f) contacting the depleted solution with finely divided solid racemic mixture to selectively dissolve said enantiomorph from the solid racemic mixture and leave the optical antipode as undissolved solid in the dissolving zone, thereby forming a saturated solution of the racemic mixture; (g) separating the resulting saturated solution from the undissolved antipode; and (h) treating the saturated solution to achieve supersaturation relative to the racemic mixture, the racemic mixture having a greater solubility in the selected solvent than either of the two enantiomorphs alone.  The undissolved optical antipode obtained in step (g) may be racemized to form a racemic mixture of the optically active enantiomorphs and the racemic mixture may then be returned to the process in step (f).  The supersaturated solution may be prepared by cooling a saturated solution of the enantiomorphs, in which case step (e) may be effected by heating.  The process may be used to resolve DL - a  - acetamido - a  - vanillyl - (or a  - veratryl - or 3,4 - dihydroxybenzyl-propionitrile, DL - 3 - (3,4 - dihydroxyphenyl)-alanine, DL - N - benzoyl - dichloroamphetamine, DL - threo - 1 - (p - nitrophenyl) - 2-aminopropane - 1,3 - diol, DL - sodium ammonium tartrate, DL-atropine sulphate, DL-dilactyldiamide, DL-histidine monohydrochloride and the racemic mixture of the zinc ammonium salts of lactic acid.
Patent GB-1043426-A (GB)
Title: Preparation of aromatic carboxylic acids
IPC: B01J31/04
Filed: 1963-12-04
Abstract: Aromatic carboxylic acids are prepared by oxidizing alkylaromatic compounds with O2 in a C1- 5 aliphatic carboxylic acid as solvent using as catalyst paraldehyde and a Co salt of the acid used as solvent or of a weaker acid. Examples describe the production of terephthalic acid (I) and p-toluic acid (II) from p-xylene, I from II, isophthalic acid from m-toluic acid and benzoic acid from toluene.ALSO:A catalyst for oxidizing alkylaromatic compounds (see Division C2) comprises paraldehyde and a Co compound, especially a salt of a C1-5 aliphatic carboxylic acid or a weaker acid e.g. carbonic.
Patent GB-1209177-A (GB)
Title: Method of electronic speed regulation of alternating-current motors
IPC: H02P25/10
Filed: 1967-10-23
Abstract: 1,209,177. Automatic control of speed. HOLZER PATENT A.G. Oct.23, 1967 [Oct. 25, 1966; Jan.28, 1967] No.48034/67. Heading G3R. [Also in Division H2] The speed of an A.C. motor is controlled by a system in which the supply is electronically switched off when a predetermined speed n2 is reached and is switched on again at the expiry of a time determined by a timer. As shown, the switch-on occurs at fixed intervals too, regardless of the instant of switch-off, and is determined by a transistor astable multivibrator Fig. 7 (not shown), but in an alternative system Fig.4 (not shown), the time to is measured from the switchoff point, by the use of a mono-stable multi-vibrator Fig. 8 (not shown), which is triggered to its unstable condition by the switch-off signal. In both cases the speed is measured by a tachogenerator whose output is converted to a voltage (if not already in voltage form), a proportion of which is selected by a speed setting potentiometer. The electronic switch is a triac or thyristor circuit and its gating is synchronized with supply current zero. It is stated that the "off" time may be made subject to the load current.