baber/WOPTO huggingface dataset:
Patent GB-946205-A (GB)
Title: Improvements in or relating to automatic control systems, especially for machine tools
Inventor: HATHAWAY KENNETH WILLIAM
IPC: G05B19/33
Filed: 1959-03-07
Abstract: 946,205. Electric copying machines. ELECTRIC & MUSICAL INDUSTRIES Ltd. March 3,1960 [March 7, 1959], No. 7965/59. Addition to 906, 271. Heading G3N. The machine tool positional control system disclosed in the parent Specification in which the command signal which corresponds to the most significant decimal digit of a recorded binary pulse code signal is automatically cancelled by movement of the work table so as to provide a floating datum; is modified by the provision of a manually controlled selector switch by which the command signal and hence the datum point may be effectively changed in steps of two 'coarse' digits at a time. The 'coarse' control of the servomotor 1 is effected as in the parent Specification in accordance with the voltage between the centre tap of transformer T1 and any one of the five sliding contacts A01, A23, A45, A67 or A89. These contacts are, connected to ten terminal D0...D9 via buck/ boost transformers T50... T54 and the required control voltage is applied to the motor 1 by a selector 21 which is connected to a particular one of the terminals D in accordance with the recorded programme. The transformers T50... T54 are connected to the sliding contacts A &c. by a switch F01 which enables any of the transformers to be connected to any of the sliding contacts. Thus by manually switching transformers T50 from the contact A01 to A89, the servomotor 1 is controlled as if the programme had caused selector 21 to move to transformer T54. The "fine" control is substantially as disclosed in the parent Specification. Specification 830, 462 also is referred to.
Patent GB-681032-A (GB)
Title: Improvements in or relating to the preparation of polymerized unsaturated organic materials
IPC: C08F36/04
Filed: 1950-03-30
Abstract: In aqueous emulsion polymerization, at a temperature below 5 DEG  C. the aqueous medium comprises a 10 to 30 per cent solution of an electrolyte, an emulsifying agent, a polymerization catalyst, e.g. a redox system, and optionally a modifier, e.g. butyl mercaptan or mixtures of mercaptans.  Specified monomers are 1,3-butadiene, 2,3 - dimethyl - 1,3 - butadiene, isoprene, piperylene, 3 - furyl - 1,3 - butadiene, 3 - methoxy-1,3-butadiene, chloroprene, bromoprene, methyl chloroprene, styrene, p-chlorostyrene, p-methoxy styrene, alpha-methyl styrene, vinyl naphthalene, acrylic acid, methacrylic acid, methyl acrylate, ethyl acrulate, methyl alphachlor-acrylate, methyl, ethyl and butyl methacrylates, methyl ethacrylate, acrylonitrilemethacrylonitrile, methacrylamide, methyl isopropenyl ketone, methyl vinyl ketone, methyl vinyl ether, vinylethinyl alkyl carbinols, vinyl acetate, vinyl chloride, vinylidene chloride, vinyl furane, vinyl carbazole, vinyl acetylene and mixtures.  The emulsifying agent may be alkylated aryl polyether alcohols, sorbitan monolaurate, monopalmitate or mono-oleate, lecithin, or salts of organic acids containing 6 to 10 carbon atoms per molecule, e.g. the sodium and potassium salts of the acids capric, caprylic or caproic, or sodium hexyl sulphate.  The catalyst may be cumene and diisopropylbenzene hydroperoxides alone or admixed with ferrous sulphate and sodium pyrophosphate, 2 - (4 - methoxybenzenediazo - mercapto) - naphthalene admixed with potassium ferrocyanide, and t.-butyl perbenzoate or t.-butyl permaleic acid, or t.-butyl hydroperoxide, or di-t.-butyl diperphthalate, or dibenzal diperoxide, or hydroxyheptyl peroxide, or methyl-cyclohexane hydroperoxide, or t. - butylisopropylbenzene hydroperoxide or dodecylisopropylbenzene hydroperoxide or triisopropylbenzene hydroxide admixed with ferrous sulphate and sodium pyrophosphate. The electrolyte may be a chloride, nitrate or sulphate of sodium, potassium, calcium, magnesium and ammonium or a salt, e.g. potassium, of an organic acid having less than six carbon atoms in the molecule such as formic, acetic, propionic or butyric acid.
Patent GB-556449-A (GB)
Title: Improved gauge for measuring pitch accuracy of gear wheels
IPC: G01B5/20
Filed: 1942-06-11
Abstract: 556,449. Gauges. CRAVEN BROS. (MANCHESTER), Ltd., and OWEN, W. June 11, 1942, No. 7998. [Class 106 (ii)] An improved gauge or instrument for measuring pitch accuracy or tooth-to-tooth and accumulated tooth errors in gear wheels, comprises a finger which is rigid with the gauge and engages a tooth of the wheel, and two other fingers which engage the flanks of the wheel teeth between which measurement is to be made, the latter two fingers being operatively connected to the measurement indicating body and the movable pointer or the like, respectively. A shoulder on the gauge is pressed against a shoulder a, previously machined, on the gear wheel to be tested. The gauge body b has two legs c, d, the former carrying a rigid finger e which is pressed against the flank of a tooth. A sleeve g is spring-mounted in leg c and carries an adjustably fixed finger k and the body of a dial gauge j. Spring-mounted in leg d is a rod n carrying another finger o and operating the pointer r of the dial gauge.
Patent GB-855533-A (GB)
Title: Sequence analyzing circuit
IPC: H04Q1/20
Filed: 1959-03-09
Abstract: 855,533. Electric selective-signalling systems. INTERNATIONAL BUSINESS MACHINES CORPORATION. March 9, 1959 [March 13, 1958], No. 8055/59. Class 40 (1). A device is described for recognizing one or more three-letter words, the letters being received sequentially. As shown in Fig. 1, five recognition relays 41-45 are provided, each having three operating windings corresponding to the three letters of a word that a relay is to recognize. The particular word that each relay will recognize is determined by plugging its first winding to a 1st letter matrix 10, its second winding to a 2nd letter matrix 11 and its third winding to a 3rd letter matrix 12. As shown, the relays are plugged to recognize the words ABC, ADF, BAC, CAB and ZED. Each winding of each relay is shown once in full lines and the other two windings are shown in dotted lines. The three letters of a word to be recognized are received by readers 6-8 successively. Each letter is represented by six bits which are recoded by the letter matrices to mark one of twenty-six terminals A to Z, and the arrangement of contacts on the recognition relays 41-45 is such that if a word is recognized then the associated relay remains energized after the last letter has been received and a lamp 34 is lit.
Patent GB-236265-A (GB)
Title: Improvements in or relating to liquid fuel furnace fronts
IPC: F23D11/00
Filed: 1924-03-31
Abstract: 236,265. Young, G. L. March 31, 1924. Addition to 218,488. Liquid-fuel furnaces.-In a furnace, front according to the parent Specification, the flange 4<a> on the outer edge of the cover-plate 4 and its seating 1<a> on the casing 1 are now inclined forwardly so that air may pass directly to the centre of the casing, and additional supporting means for the burner tube are provided. As shown, the burner tube 3 is formed on its outer end with a wide flange 3<b> slidably supported on the arms 5 which carry the cover-plate 4, set-screws being provided for locking the cover-plate and the burner tube in their adjusted positions on the arms 5. In a modification, the front part of the casing 1 is formed with an internal spider carrying a forwardly extending hub which slidably supports in its bore and on its outer surface respectively the burner tube 3 and the cover-plate 4.
Patent GB-1174683-A (GB)
Title: Method of Final Grinding and Polishing of Hydrophilic Contact Lenses
Inventor: WICHTERLE OTTO
IPC: G02C7/04
Filed: 1967-02-21
Abstract: 1,174,683. Abrading lenses. CESKOSLOVENSKA AKADEMIE VED. 21 Feb., 1967 [22 Feb., 1966], No. 8142/67. Heading B3D. [Also in Division C3] A method of final grinding and polishing of a hydrophilic contact lens comprises deforming the lens at a temperature higher than its softening temperature by pressing it into a defined surface, and subjecting it to a final grinding and polishing after cooling it in its deformed state and while in such state. The lens is moulded from a monomer mixture of glycolmonomethacrylate, glycoldimethacrylate and isopropylpercarbonate and is washed in distilled water and dried. A rubber stopper heated to 150‹ C. is used to press the lens on to a ground glass plate also heated to 150‹ C. As the lens softens it flattens on to the plate and upon cooling returns the flat shape so that, upon removal from the plate, it can be ground by a planar grinding plate covered with woollen fabric impregnated with eerie oxide in xylene. The lens may be relaxed to its initial moulded shape by reheating or by contact with water or physiologic solution. In another example, the lens is deformed to a spherical or cylindrical shape for final grinding and polishing. The lens may be deformed to a second shape for treatment of its other surface.
Patent GB-196455-A (GB)
Title: Improvements in and relating to barrels and like receptacles
IPC: B65D8/14
Filed: 1922-03-22
Abstract: 196,455. Dick, J. M. March 22, 1922. Addition to 165,019. Collapsable casks &c.-The collapsable barrel &c. described in Specification 192,269 is modified by arranging on the band e, Figs. 2, 3, and 4, an inwardly projecting flange d or a series of projections adapted to rest on the rim b of one of the barrel sections to ensure that the band is properly positioned with respect to the joint. The flange or projections may be angled or curved as shown to make the band self-centring. The band e may be shaped to form tapered recesses as shown in Fig. 2, or may be flanged at e<1> as shown in Figs. 3 and 4 to assist in retaining the packing.
Patent GB-804847-A (GB)
Title: Accelerometers
Inventor: SEDGFIELD HUGH BROUGHAM
IPC: G01P15/13
Filed: 1949-03-28
Abstract: 804,847. Electric indicating systems. SPERRY GYROSCOPE CO., Ltd. March 21, 1950 [March 28, 1949], No. 8358/49. Drawings to Specification. Class 40 (1). In an inclinometer or accelerometer, a differential condenser, mounted on a linearly movable mass, forms one arm of an A.C. impedance bridge, the output of which energizes a coil, mounted on the movable element of the condenser and which reacts with a magnetic field to tend to counteract displacement of the condenser and movable mass. The sense and magnitude of the current through the coil indicate respectively the sense and magnitude of the mass acceleration. The movable mass consists of a rod supported by filaments at each end and having the condenser and restoring coils mounted at its centre centrally between the poles of permanent magnet. Specification 804,848 is referred to.
Patent GB-769242-A (GB)
Title: Apparatus for fluidizing and conveying granular material
Inventor: RICHARDS RICHARD BERGMANN
IPC: B65G53/46
Filed: 1955-03-22
Abstract: 769,242. Pneumatic conveyers. SUPERIOR SEPARATOR CO. March 22, 1955, No. 8371/55. Class 78 (1). A pocketed wheel discharger 8, Fig. 2, for a bin B rotates in a cylindrical casing 6 which at one end is provided with an inlet 17b for compressed gas and at the bottom is formed with a substantially-oblong outlet 18 of approximately half the length of a pocket. The blades 8b, Fig. 4, of the discharger have thickened ends and are slotted to receive slidable bronze tips 8c which are thrust outwardly by resilient means, such as elastic sponge rubber pads 15. The inlet 17b has at one end a flanged cylindrical socket 17a for receiving the end of the gas supply pipe 16 and at the other end a kidney-shaped outlet 17c extending over slightly more than two pockets. A circular plate 9 is forced into contact with one end of the wheel by springs 10 mounted in pockets in the end wall of the housing.
Patent GB-472276-A (GB)
Title: Improvements in or relating to the distillation or heat treatment of solid carbonaceous materials and apparatus therefor
IPC: C10G1/02
Filed: 1936-03-20
Abstract: 472,276. Rotary retorts for heating solid carbonaceous materials. BRITISH COAL DISTILLATION, Ltd., HARDY, R. D., MACHEN, C., ARAM, E. H. G. March 20, 1936, No. 8382. [Classes 51 (ii) and 55 (i)] In the distillation or heat treatment of coal or other solid carbonaceous materials in a rotary retort comprising an outer shell 8 and a, number of tubes 9, the material is fed through the retort in the space around the tubes and is heated directly by the passage of hot gases through this space, and indirectly by the passage of gases through the tubes. Coal, for example, is fed from a bunker 1 to a hopper 3, and is dried in its passage through a dryer 4 heated by return gas from the retort, a main 5a leading this cooled gas for use in a combustion chamber 24. The preheated coal enters by a feed valve 7, the retort in which it is agitated by lifters 11 during rotation, and through which it passes around the tubes and through ports 12 in tube supporting plates 9a, being discharged by lifters 28a and shoot 28. The heating gases from the combustion chamber 24 are attemperated by the cooled gas from main 5a, and pass in countercurrent to the coal, passing both through the tubes and around them in amounts controlled by a circulating fan 34 for the gas for indirect heating, and a fan 19 for the gas for direct heating. The fan 34 withdraws the heating gas through a duct 33 and annular receiving chamber 14 from the tubes 9, and supplies it through pipe 35 to the jacket 5 of the coal dryer, a part of the gas being byepassed through a pipe 36 into contact with the coal, after which it escapes to the atmosphere through a pipe 37. The distillates and heating gases in contact with the charge pass by an outlet 16 to a cyclone 17, condenser 18, fan 19, scrubber 20, and gas holder 21, from which a pipe 22 leads to a burner 23 in the combustion chamber. To prevent leakage, glands 31 are supplied through pipes 32 with gas under slight pressure. Valves 19a, 25 and 36a, in conjunction with fans 19 and 34, adjust the proportion of internal to external heating gas. Specification 401,767 is referred to.
Patent GB-1137782-A (GB)
Title: Side rails for wheeled stretchers and beds
IPC: A47C21/08
Filed: 1967-02-22
Abstract: 1,137,782. Side frames for beds and the like. EVEREST & JENNINGS Inc. 22 Feb., 1967 [3 Oct., 1966], No. 8438/67. Heading A4J. Detachable side frames 42, for a stretcher or bed are displaceable between raised and lowered positions, with their pivotal connection to the ends of arms 44, describing semi-circular arcs, about the arm pivots 48. Vertical play is provided in the pivots 48, to allow engagement or disengagement of a a stationary locking detent (69), with a pair of recesses, positioned to maintain the arms 44 either in the vertical upright or inverted position.
Patent GB-801284-A (GB)
Title: Improvements in or relating to spark-gaps
IPC: H01J17/00
Filed: 1956-03-19
Abstract: 801,284. Spark gaps. LICENTIA PATENTVERWALTUNGS-G. m. b. H. March 19,1956 [March 28, 1955], No. 8479/56. Class 39(1). An uncontrolled spark gap comprising two spherical electrodes 1 and 2 is converted into a controlled gap by providing a trigger electrode 6 accommodated within and insulated from a cap-shaped electrode 5 which is mounted on the main gap electrode 2. The electrode 5 is shaped as a hemisphere or a section thereof and has the same or a slightly smaller radius than that of the electrode 2 so that the electrode 5 and trigger electrode 6 have little or no effect on the electronic field in the gap. The invention may be applied to spark gaps in which the electrodes are other than spherical in shape.
Patent GB-1211706-A (GB)
Title: Discharge-lamp starting circuit
Inventor: CHAPMAN DONALD FREDERICK
IPC: H05B41/04
Filed: 1967-02-22
Abstract: 1,211,706. Supply systems for discharge lamps. THORN LIGHTING Ltd. 23 Jan., 1968 [22 Feb., 19671, No. 8537/67. Heading H2H. A high pressure sodium lamp 10 is supplied by the circuit arrangement shown, in which a conventional ballast choke 11 has a tapping 14 connected to a series circuit whose main components are a capacitor 15, a normally-open glow switch 17 and a normally-closed thermal switch 19 whose heater 20 carries the lamp operating current. When A.C. is applied to terminals 12, 13 the glow discharge in switch 17 causes its contacts to close and allow the flow of charging current for the capacitor 15, which current generates a voltage pulse across the choke 11 to start the lamp. Consequent current flow through the lamp and heater 20 opens the switch 19 to disconnect the glow switch 17. If the lamp does not start at the first voltage pulse, the switch 17 repeatedly opens and closes to generate a succession of random starting pulses. Resistor 16 limits the charging current and capacitors 18, 21 respectively provide radio interference suppression and power factor correction.
Patent GB-609657-A (GB)
Title: Improvements in disc wheels
IPC: B60B3/10
Filed: 1946-03-20
Abstract: 609,657. Vehicle wheels. GOODYEAR, E. F., and GOODYEAR, C. E. March 20, 1946, No. 8577. Addition to 576,385. [Class 144' (i)] The coned portion of the wheel disc from which the rim-supporting tongues a are struck is provided with a peripheral flange a<SP>2</SP> for snapengagement by a cap c adapted to cover the main portion of the disc. The arrows indicate alternative directions in which the tongues may be bent out of the disc. For stiffening purposes, the tongues may be formed with flanges a<SP>3</SP>, and the intermediate portions of the discs with ribs a<SP>4</SP>.
Patent GB-287490-A (GB)
Title: Improvements in mattress stuffing treating machines
IPC: B68G3/02
Filed: 1928-03-21
Abstract: 287,490. Triangle Kapok Machine Corporation, (Assignees of Swanson, H. R.). March 21, 1927, [Convention date]. Openers, cleaners, &c. - A mattress stuffing treating machine comprises a filling-hopper 10, Fig. 1, and an opener 12 with a by-pass 17 controlled by a valve 16. The opener comprises geared shafts 29, 29<1>, Figs. 7 and 8, revolving at different speeds and carrying intermeshing tines 30, 31.
Patent GB-291185-A (GB)
Title: Improvements in the picking mechanism of looms
IPC: D03D49/46
Filed: 1927-03-29
Abstract: 291,185. Batty, G. F. March 29, 1927, Picking-motions; checking shuttles.-Relates to picking-motions of the kind in which the shuttle is picked by rotating friction discs and in which the energy of the incoming shuttle is absorbed by springs which act to restart the movement of the shuttle. According to the invention, the propelling discs geared to rotate in opposite directions are mounted on pivoted carriers, a cam being provided to bring the disc into and out of action, to control brakes adapted to act on the shuttle, and to control the energyabsorbing device. The discs 12 adapted to act on opposite sides of the shuttle are driven at high speed in opposite directions by belt or friction gear and are mounted on arms pivoted to the frame at 15. A spring 41 tends to hold the discs clear of the shuttle. The incoming shuttle engages a " picker " 50 connected by a rod 72 with a spring-loaded lever 73. The "picker" moves along spindles in the shuttle box, and at the end of its stroke engages a part 63 which is connected by a spring 62 with a lever system which then applies brakes 57, 68 to the shuttle. When a cam-controlled lever 38 is operated, the discs 12 are moved into operative position and the brakes are removed from the shuttle which then moves under the influence of the "picker" 50 into the path of the discs.
Patent GB-690968-A (GB)
Title: Periodic-wave generator
IPC: H03K4/28
Filed: 1951-04-13
Abstract: 690,968. Rectifying. HAZELTINE CORPORATION. April 13, 1951 [May 17, 1950], No. 8673/51. Class 38 (ii). [Also in Group XL (c)] A saw-tooth generator (see Group XL (c)), provides an E.H.T. voltage for a cathode-ray tube and variations in beam current are prevented from varying the E.H.T. voltage provided. In the saw-tooth wave generator shown a saw-tooth wave is fed to the grid of valve 52, the output of the valve being fed through a transformer to the scanning coils connected at 40. A capacitor 58 connected in series with the secondary coil 43 and an efficiency diode 60 provide a voltage at the cathode of valve 52 which supplements the normal H.T. supply. The screen grid of the valve is earthed so that this voltage which is only present when the output is present constitutes the screen grid voltage. The screen grid has a positive bias applied to it from the cathode resistor 32 of the sound output valve to ensure that the circuit will start. An E.H.T. voltage for a cathoderay tube is provided at the terminal 48 by rectifying the flyback voltage and if the beam current increases the E.H.T. voltage, the anode voltage of valve 52 and thus the saw-tooth output voltage tend to decrease. However, the resulting decrease of voltage across the capacitor 58 tends to cause the screen current to drop and a reduced current flows through the cathode resistor 32 so that the voltage drop due to the screen current is reduced. This causes the anode current and thus the E.H.T. voltage to increase towards its previous value.
Patent GB-325409-A (GB)
Title: Means for attaching spare wheels to motor vehicles
IPC: B62D43/02
Filed: 1929-03-18
Abstract: 325,409. Morris Motors, Ltd., and Seddon, W. March 18, 1929. Mounting and securing spare wheels on vehicles. - Means for attaching spare wheels to motor vehicles are arranged in combination with the door of a luggage or other compartment at the rear of the body, or in combination with any other part of the body work, such means being operable only at the inner side of the door or other part of the body work, so as to be protected against unauthorized manipulation. In the form shown in Fig: 1, a spare wheel c is mounted on the door a of a luggage compartment b by means of a bolt d passing through the centre of the wheel and through the door, its outer end being provided with a retaining-plate g engaging the boss h of the wheel, and its inner end with a wing nut f. Rotation of the bolt d is prevented by a squared portion d<1> engaging a square hole in an abutment plate i. A block e surrounding the bolt d engages the usual aperture in the centre of the wheel. In a mounting for a wire wheel, the hub of the wheel is engaged by a spigot on a distance piece attached to the door a &c., and the retaining-bolt passes through the hub flange, the distance piece, and the door. When the retaining bolt passes through the vehicle body, its inner end and the nut thereon may be enclosed by a cover which can be secured by a lock and key.
Patent GB-553294-A (GB)
Title: An appliance for facilitating the carrying of parcels and other hand luggage
IPC: B62B1/26
Filed: 1942-06-26
Abstract: 553,294. Luggage carriers. LANE, G. V. A., and SEARLE, S. M. June 26, 1942, No. 8816. [Class 108 (i)] Parcels are suspended from a hook 16 on a shaft 10 with a curved handled at the top and a wheel 15 at the bottom ; a crosspiece 17 below the hook 17 forms a parcel-support. A pair of wheels on a short shaft may be used in place of the single wheel 15.
Patent GB-1504431-A (GB)
Title: Dampening apparatus for offset printing machines
IPC: B41F7/30
Filed: 1976-03-05
Abstract: 1504431 Dampening device for printing machines HEIDELBERGER DRUCKMASCHINEN AG 5 March 1976 [25 July 1975] 08920/76 Heading B6C A zone adjustable dampening spray 16 is produced, by tension adjustable elements 10 which extend axially of a roll 5, when depending fingers 14 constrain then release the elements 10 to throw the spray 16 at cylinder 4. Adjustable baffles 26 controlled by handles 28 can be shifted to limit the spray 16 in desired zones.