baber/WOPTO huggingface dataset:
Patent GB-1061619-A (GB)
Title: Improved hydraulic control system for an earth-working tool
IPC: E02F3/815
Filed: 1964-09-29
Abstract: 1,061,619. Dozers. ALLIS-CHALMERS MANUFACTURING CO. Sept. 29, 1964 [Sept. 30, 1963], No. 39609/64. Heading E1F. In the hydraulic circuit controlling jacks regulating pitch and tilt adjustment of a dozer blade pivotally mounted about a transverse axis at the ends of vertically swingable, vehiclemounted arms there is provided for the connecting of the jacks in parallel branch piping extending from a pair of pipes connected to a reversing valve under manual control of the dozer operator and in the branch piping leading to one of the jacks is another operator-controlled, manually actuated reversing valve. Thus according to the settings of the valves the jacks can be simultaneously expanded or contracted to vary the pitch of the blade, or one jack may be expanded whilst the other jack is contracted to vary the tilt of the blade.
Patent GB-344974-A (GB)
Title: Improvements in or relating to face powder boxes
IPC: A45D33/00
Filed: 1929-12-27
Abstract: 344,974. Face-powder boxes. HUDNUT, R.. 113, West 18th Street, New York, U.S.A. Dec. 27, 1929, No. 39625. Convention date, Dec. 27, 1928. [Class 18.] A face-powder box has a window for inspecting the contents formed in its side wall, and a lid with an extended flange which covers the window when the lid is fully engaged on the box. In an embodiment, the box has two cylindrical walls 2, 3 between which is secured the flange of a paper seal 5. An aperture in the wall 3 registers with, but is preferably smaller than, a corresponding oval aperture 6 in the wall 2, and secured between the two walls to close the apertures is a sheet 8 of transparent material of any gelatinous substance, e.g. celluloid, cellulose film or the like. The cover of the box abuts against the projecting, octagonal base 1 but, when lifted, it allows the contents to be viewed through the window 8. The flange of the cover may comprise an ornamental, e.g. polygonal, outer portion and a cylindrical inner portion fitting to the wall 3. A cardboard sheet may be interposed between the powder and the seal 5.
Patent GB-907151-A (GB)
Title: Improvements relating to hydraulic presses
IPC: B21J13/04
Filed: 1959-11-23
Abstract: 907,151. Forging presses. MASCHINENFABRIK SACK G.m.b.H. Nov. 23, 1959 [Nov. 28, 1958], No. 39693/59. Class 83 (4). [Also in Group XXIX] An hydraulic forging press comprises two chain link shaped members 1, 2 forming two parallel pairs of rectangular section columns slidable longitudinally relatively to a crosshead 16 which carries one platen or die 18 whilst the other platen or die 17 is carried by a crossbeam 7 extending between two adjacent ends of the members 1, 2, one pair of columns 2, Fig. 3, being guided on the cross-head 16 by their two opposite faces and also by an adjacent face of each column whilst the other pair of columns 1 are guided only by their two opposite faces. The columns 2 are guided by replaceable guide bars 3, 5, 6 and the columns 1 by replaceable guide bars 4. This allows for expansion due to heat from the workpiece. Cross-head 16 is fixed and houses a pair of hydraulic cylinders 14, 15 whose respective rams 12, 13 actuate the sliding link members 1, 2 and hence the upper die 17. A third ram may be placed at the centre of the cross-head 16. To compensate for eccentric loading such as P 1  or P 4  an hydraulic synchronizing mechanism may be used which adjusts the loads P 2 , P 3  acting in the rams 12, 13 and thus reduces bending stresses in the columns.
Patent GB-1146125-A (GB)
Title: Thiol-phosphoric (-phosphonic) and thionothiol-phosphoric (-phosphonic) acid esters
Inventor: SCHRADER GERHARD
IPC: C07F9/40
Filed: 1967-08-30
Abstract: 1,146,125. Substituted esters of thiol-phosphorus acids. FARBENFABRIKEN BAYER A.G. 30 Aug., 1967 [25 Oct., 1966], No. 39713/67. Heading C2C. [Also in Division A5] Thiol-phosphoric (-phosphonic) and thionothiol-phosphoric (-phosphonic) acid esters of the formula where R 1  is C 1-4  alkyl or alkoxy, or phenyl, R 2  and R 3  are C 1-4  alkyl, and X is oxygen or sulphur are prepared by reacting an acid of the formula in the form of the corresponding alkali metal salt or ammonium salt, or in the presence of an acid-binding agent, with a compound of the formula The reaction is preferably carried out at from room temperature to 80‹ C. The compounds have insecticidal and acaricidal activity.
Patent GB-856787-A (GB)
Title: Improvements in or relating to coin collectors for telephone pay stations
IPC: H04M17/02
Filed: 1958-12-10
Abstract: 856,787. Coin-freed telephone apparatus. WESTERN ELECTRIC CO. Inc. Dec. 10, 1958 [Dec. 18, 1957], No. 39823/58. Class 27 A coin collector for a telephone pay station comprises a vane 49 rotatable to one of two positions to collect or refund coins by means of an electromagnet 10 having a pivoted armature 19 and pole pieces 37 and 38, the polarity of the pole pieces depending on the direction of current supplied under the control of a central call office to the electromagnet so that they co-operate with a permanent magnet 36 on a selector number 30 to tilt it to one side or the other and the selector member being moved down by an ear 26 on the armature so that it tilts a pivoted cam member 32 one way or the other and correspondingly rotates the vane 29. Tilting of the selector member causes one or other tooth 35, 35a on the cam 32 to be struck by projectors 53 or 54 on the selector member as it moves down and the consequent rotation of the cam brings a protuberance 34 to rest on one or other side 40, 41 of a hump 39 and an aperture 43 engaging an arm 42 on the vane carries the vane with the cam. An inserted coin tilts a gate 45, allowing contact springs of a relay RL to signal to the central call office, and, together with subsequent coins, comes to rest on a coin trap 48. As the selector member moves down, an ear 51 on a latch 52 is also moved down and the latch is rotated to allow the coin trap to pivot and release the coins for deflection by the vane and, at the same time, the armature 19 moves a rod 46 to restore the gate 45 to initial position. The selector member is preferably made of nylon.
Patent GB-1003052-A (GB)
Title: Tool control mechanisms
Inventor: FRENTZEL HERMAN CHRISTIAN
IPC: D05B69/22
Filed: 1961-11-13
Abstract: 1,003,052. Controlling change speed gear, clutches and brakes. HANSEN GLOVE CORPORATION. Nov. 13, 1961, No. 40535/61. Headings F2C, F2D and F2L.   A drive for a sewing machine needle-drive shaft 51 comprises an electric motor 16, a high speed electromagnetic friction clutch 22, 28, a low speed electromagnetic friction clutch 40, 28 for reduced drive through a gear train 30, 31, 39, 40, and an electromagnetic friction brake 49, 36 acting on the shaft 51 through the gears 39, 40 and the engaged low speed clutch 40, 28, and the control comprises a two-way treadle switch 63 energizing the clutches 22, 28 or 40, 28, and a two-way treadle switch 64 which, to stop the shaft 51 in either of two predetermined stopping positions (needle " up " or " down "), selectively energizes the brake 49, 36 through rotary switch means associated with the shaft 51. The drive is so arranged that before the shaft 51 is stopped it is first brought down to its low speed to reduce impact and permit stopping in a more definite position. The high speed clutch comprises a flywheel 22 adjustably secured to a hub 23 on the shaft of the motor 16, a friction disc 28 splined on a shaft 26 driving the shaft 51 through a belt 53, and a slip-ring energizing coil 25 rotating with the flywheel 22. The low speed clutch comprises the disc 28, the gear 40 and a stationary coil 45. The brake comprises a stationary brake member and coil 49, 34, and a clutch/ brake friction disc 36 splined on the shaft 33 integral with the gear 39 and engageable with the gear 31, by a spring 35, to complete the reduced drive train or the brake member 49, by energization of the coil 34, to station the shaft 33. The rotary switch means comprises an insulated commutator ring 77 which is in continuous contact with a brush 76 connected to the coil 34 and which has an offset pad 78 co-operating with diametrically opposite needle " up " and " down " brushes 60<SP>1</SP>, 61<SP>1</SP> connected to the switch 64. In operation, for high speed drive the treadle switch 63 is depressed to the position shown (in full line) for energization of the coil 25. To stop the needle in a selected position the treadle switch 63 is released to its opposite position to de-energize the coil 25 and energize the coil 45 for low speed drive, and the treadle switch 64 is moved to a selected position, e.g. as shown, in which, when the brush 60<SP>1</SP> is engaged by the pad 78, the coil 34 is energized to stop the needle in its selected position. For continuous low speed drive a switch 65 is opened to disconnect the switch 64 and cut out the brake coil 34. In the stop position, single stitches are possible by alternate operation of the switch 64. Reference has been directed by the Comptroller to Specifications 779,875 and 779,876.
Patent GB-890667-A (GB)
Title: Centrifuge
Inventor: DONNELLY JESSE FREDERICK
IPC: B04B11/05
Filed: 1959-11-30
Abstract: 890,667. Centrifugal strainer separators. TATE & LYLE Ltd. Oct. 24, 1960 [Nov. 30, 1959], No. 40556/59. Class 46. A basket centrifuge with a drive shaft 3, a thrower 4, an open-bottomed basket 1 and a gutter 7 for collecting centrifuged liquid, includes a shoot 6 for solid matter discharged through the bottom of the basket e.g. by ploughing, and a closure valve 6 e.g. butterfly valve fitted across the shoot on a cross-shaft 10 and actuated from a pneumatic cylinder 19, Fig. 2 (not shown). The valve 6 is opened after the charge is centrifuged, is washed with melt water through a pipe 24 and closed before the next cycle of operation ; the melt water rinsings may be conveyed to the gutter 7 by an aperture or channel not shown. The valve 6 may be sloped or channelled to facilitate drainage.
Patent GB-1406386-A (GB)
Title: Disposable diaper
IPC: A61F13/58
Filed: 1973-08-29
Abstract: 1406386 Disposable diaper JOHNSON & JOHNSON 29 Aug 1973 [25 Sept 1972] 40640/73 Heading A3V A diaper comprises a fibrous layer and a water-impervious layer with two adhesive securing areas on the latter layer parallel to its side edges and each being longer than it is wide. The areas may be strips attached to the diaper, or adhesive material penetrating the fibres. A batt layer, smaller than the outer layers may be placed between them.
Patent GB-1062549-A (GB)
Title: Turbine blade milling apparatus
IPC: B23Q1/76
Filed: 1965-09-24
Abstract: 1,062,549. Copy-milling. CINCINNATI MILLING MACHINE CO. Sept. 24, 1965 [Nov. 2, 1964], No. 40864/65. Headings B3K and B3T. A machine tool comprises a fixture 11 for supporting a work blank by one end thereof and rotating it on a fixed axis, a cutting tool 20 relatively movable along the blank and movable to-and-from the blank, and a work-support mechanism 26 comprising a platform 27 having a central opening for receiving the work, means for supporting the platform for free rotation on the axis and for moving it towards the fixture ahead of the tool, gripping means 39. 40, 44, 45 on the platform for engaging the work, and release means 60, 61 for momentarily relaxing the engagement of the gripping means in timed relation with rotation of the work and platform. A number of cutters 20 are carried on a bracket 18 which can be swung towards the workpieces 12 arranged in line and rotated by an hydraulic motor. The cutter movements are controlled by a single hydraulic timer means or by a programme on cards or tape. The bracket 18 and the work-support 26 are carried by a slide 17 traversed downwardly at a slow feed rate. Each blade is surrounded by a plate 27 supporting a plunger 47 carrying a pivoted bracket 37 having the work-engaging members 39, 40 and a plunger 41 carrying a fixed bracket 42 having the work-engaging members 44, 45. The plungers 36, 41 are urged towards the work by springs such as 48, Fig. 5 (not shown), to backup the work against cutting forces, and are prevented from return movement by wedge pins 51 engaging oppositely-urged plungers 52, 57. Relief of gripping pressure.-The plungers 52, 57 are moved inwardly every 180 degrees of movement of the blade, to relieve the wedging force, by the plungers 60, 61 operated hydraulically under the control of dogs 65, 66 and a switch 63. Since the gripping means are forcibly moved down over the blade towards its thickest portion as the cutting proceeds, the relieving action is necessary to avoid undue pressure of the gripping means on the work. Scoring marks made by the grippers are removed as the cutter follows up. For setting- up purposes, the plungers 36, 52 and 41, 57 can be retracted by crank handles 70, 80.
Patent GB-1088350-A (GB)
Title: Improvements in or relating to tractors
IPC: B60K23/00
Filed: 1966-09-14
Abstract: 1,088,350. Tractors. SELENE S.A.S. Sept. 14, 1966 [Sept. 24, 1965], No. 41090/66. Headings B7D and B7H. The normal direction of drive of a tractor is reversed by rotating the differential gear-box 3 about the axis of the differential input through 180 degrees, interposing between the differential gear-box and the main gear-box 4 a frame 8 having similar flanges 7, 9 suitably offset to mate with the flanges 3a, 4a on the gear-boxes 3, 4 and coupling the differential input shaft to the gear-box output by means of a sleeve compensating for the increased length of the tractor. A pinion integral with the sleeve is connected through a gear train and coupling members controlled by a lever L to a power take-off shaft 18 mounted in a box S attached to one side of the frame 8. As shown the power take-off shaft 18 is connected by a shaft 19 to differential gearing 20 incorporated in a driven axle substituted for the normal front axle of the tractor.
Patent GB-1406424-A (GB)
Title: Reforming furnaces
IPC: C01B3/38
Filed: 1971-09-02
Abstract: 1406424 Catalytic reformer FOSTER WHEELER LTD 1 Sept 1972 [2 Sept 1971] 41095/71 Heading B1F [Also in Divisions B8 and F2] Both ends of catalyst tubes in a reforming furnace are closed by removable end closures which sealingly fit within the tubes. The closure may comprise a solid plunger 40, Fig 3, which can be tightened against sealing ring 52 by rotating nut 44. For Figure see next column
Patent GB-1094883-A (GB)
Title: Method and apparatus for protecting ship hulls from marine organisms
IPC: B63B59/04
Filed: 1966-09-16
Abstract: 1,094,883. Protecting hulls. N. TONKIN. Sept. 16, 1966 [Sept. 16, 1965], No. 41549/66. Heading B7S. The underwater portion of the hull of a moored ship 6 is protected from marine organisms by enveloping it in a substantially impervious shroud 5 of pliable sheet material. The shroud, e.g. of a plastics material such as polythene, has weights 7 and floats 8 at its edges, and is drawn under the hull and secured around it by draw cords 16, water trapped between the shroud and the hull being removed by a hose 18 connected to a pump 19.
Patent GB-1392559-A (GB)
Title: Process for the production of magnesium oxide paste dispersions
IPC: B01F23/57
Filed: 1972-09-07
Abstract: 1392559 MgO paste dispersions BASIC Inc 7 Sept 1972 [7 Sept 1971] 41573/72 Heading C1A MgO paste dispersions are prepared by mixing 65-75% MgO with average particle 0À02-1 Á, 2-5% surface active agent and a mineral oil with a viscosity of 1000-6000 Saybolt Universal seconds at 100F to 100%, thereby forming a flowable powder and passing this through a high speed shear mill with a gap setting of 0À01 to 0À025 inch. The surface active agent may be stearic acid, iso-stearic acid, sorbitan monooleate, di-octyl phthalate or lecithin. 2-5% of a wax, a metallic soap, an aminated bentonite or a mixture of these may be added before passing through the mill.
Patent GB-1086630-A (GB)
Title: Wall system
IPC: E04B2/84
Filed: 1965-09-30
Abstract: 1,086,630. Wall structures. D. P. HENDRICK. Nov. 17, 1965 [Sept. 30, 1965], No. 41642/65. Heading E1W.  A wall comprises studs 3 and tracks 4 at least some of which are of channel section having pressed-out tangs 8 integral with their flanges. At the junction of a channel shaped stud with a channel shaped track the end of the stud is slit along the edges of the web and the slits frictionally engaged over the flanges 7 of the track. The junction may coincide with the position of a tang of the track the tang being arranged to overlie the flange of the stud. The tanks which initially are only slightly raised above the plane of the flange are intended to be bent out at right angles whereby paper backed lathing 9 may be impaled over them prior to bending the tangs over as at 8a to secure the lathing.
Patent GB-957109-A (GB)
Title: Writing instrument
IPC: B43K29/007
Filed: 1961-11-22
Abstract: 957,109. Pens and pencils. N. H. J. NEESGAARD. Nov. 22, 1961 [Nov. 22, 1960], No. 41746/61. Heading B6P. A writing instrument having a writing element 2, e.g. ball-point pen or pencil is displaceable in a barrel 1 between two axially fixed end positions, inscriptions being connected to the writing element, such that they are visible through a slot 4 provided in the barrel when the element 2 is displaced to one of its fixed end positions. The element 2 is rotated step-wise through a series of fixed rotating positions as it is displaced by a button 3 between its end positions. The slot 4 may be covered by a magnifying glass 6.
Patent GB-1396511-A (GB)
Title: Aircraft
IPC: B64C15/14
Filed: 1971-09-07
Abstract: 1396511 Direct lift power plant HAWKER SIDDELEY AVIATION Ltd 7 Sept 1972 [7 Sept 1971] 41754/71 Heading B7G Power plant for a V/STOL or VTOL aircraft includes a jet lift unit 4 the efflux from which is directed equally to four generally downwardly directed nozzles arranged as a front pair and a rear pair, through branched ducting 5, 6 each nozzle being equipped with means selectively to deflect the efflux in a lateral plane. Each nozzle is provided with pivoted louvres 9 which are operated in two groups to provide port and starboard nozzles 11, 12. For steady verticaly flight the port and starboard louvres are turned equally but in opposite directions, Fig. 2a (not shown), while for pitch control the louvres of the rear pair are turned equally but oppositely and those of the front pair are turned equally but oppositely but to a different extent to those of the rear pair, Fig. 2c; for roll control, Fig. 2b (not shown), the port louvres are turned equally in the same direction and so are the starboard louvres but to a different extent, while for yaw control, Fig. 2d (not shown), the front port and rear starboard louvres are turned equally in the same direction, while the other louvres are turned to the same extent in the opposite direction. In each case the movements of the louvres are such that the total vertical lift component of thrust remains constant.
Patent GB-1050847-A (GB)
Inventor: HILLER GEORG
IPC: B04B1/20
Filed: 1964-10-13
Abstract: 1,050,847. Centrifugal separators. G. BRUCKMAYER, [trading as FLOTTWEG - MOLTEREN-WERK DR GEORG BRUCKMAYER], Oct. 13, 1964 [Oct. 15, 1963], No. 41766/64. Heading B2P. The discharge screw conveyor in a solid-bowl centrifuge leaving at least a part thereof of conical shape has secured to the hollow shaft 1' which carries the conveying spiral 1 a section 3 of an additional spiral which is located between the ends of a turn of the spiral 1 and in front of (as seen in the conveying direction of the spiral 1) and spaced from an inlet opening 2 in the shaft 1'. The function of the spiral section 3 is to deflect the fine particles already separated in the centrifuge bowl so that on their way to discharge they are not stirred by the incoming material from the inlet 2. The spiral section 3 may extend over 120 to 150 degrees and its pitch is equal to the normal pitch of the spiral 1, the latter having a larger pitch, preferably twice the normal pitch, in the region adjacent the inlet 2. The spiral 1 and the spiral section 3 may be multi-threaded.
Patent GB-1240686-A (GB)
Title: Multilevel decoding circuits
Inventor: FARROW CECIL WILLIAM
IPC: H03M1/00
Filed: 1968-09-05
Abstract: 1,240,686. Electric selective signalling. WESTERN ELECTRIC CO. Inc. 5 Sept., 1968 [6 Sept., 1967], No. 42184/68. Heading G4H. Data signals having one of N + 1 levels are compared with N prescribed levels centred between the N + 1 nominal levels, the prescribed levels being adjustable to centre them between the actual received signal levels when they differ from the nominal levels. In the embodiment described for four level signals, the three prescribed levels are determined by the reference signals fed on terminals 21, 22, 23 to comparators 13, 14, 16 which receive the input signal via a diode chain 24, 26, 28, 29, 31 which shifts the input signal so that nominally the same reference level is fed to all the comparators. When the input signal to a comparator exceeds the reference signal, an associated register 34, 36, 37 is set to its " 1 " state, the outputs 49, 51, 52 of the registers being connected to a decoder 53 which converts the parallel signals to binary signals representing the level. The level of the reference signals is determined by the output signals to a resistor chain from registers 69, 71, 72, 73 associated with further comparators 54, 56, 57, 58 which compare the input signal with the predetermined data levels, the reference signals being adjusted via feedback paths from junctions 107, 101, 99, 98, 96, 94, 108 in the resistor chains. Resistor pairs 119, 122; 133, 134; 136, 137 associated with the comparators 13, 14, 16 set the signals at terminals 21, 22, 23 midway between the received signals.
Patent GB-1459884-A (GB)
Title: Turbomolecular pump direct current power converter
IPC: F04D19/04
Filed: 1974-09-27
Abstract: 1459884 Turbo-molecular pumps LEYBOLD-HERAEUS-VERWALTUNG GmbH and SOC EUROPEENNE DE PROPULSION 27 Sept 1974 [29 Sept 1973] 42193/74 Heading F1C A turbo-molecular pump comprises a hollow rotor mounted on a fixed vertical pintle 11 via magnetic thrust and radial bearings located within the hollow interior of the rotor. Moreover, the interior of the rotor is in communication with the discharge side 9, 10 of the pumps to avoid possible heating and contamination of the vacuum user connected to the suction side 8. As shown a magnetic thrust bearing 21, 3 and two magnetic radial bearings 13, 15 and 14, 16 are provided. The magnetic thrust bearing is associated with a sensor 22, 23 and the magnetic radial bearings with sensors 17, 19 and 18, 20. Emergency mechanical bearings 27, 28, 29 and 30, 31 are provided for supporting the rotor in the event of failure of the magnetic bearings due, e.g., to a power failure. An electric driving motor 25, 26 is located within the rotor. Electrical leads pass through the pintle and passages 32 to the motor and magnetic bearings. A cooling channel 34 is also provided in the pintle.
Patent GB-1387534-A (GB)
Title: Brushless variable speed drive for ac synchronous motor
IPC: H02P25/02
Filed: 1973-09-11
Abstract: 1387534 Transducer circuits: measuring resistance A M F Inc 11 Sept 1973 [10 April 1973]  42768/73 Headings G1N and G1U [Also in Divisions H2 H3 and H4] A transducer H5 whose resistance vanes logarithmically with respect to a sensed parameter e.g. humidity, feeds a D.C. voltage to the gate of a uni-junction transistor oscillator Q1 whose anode is supplied with an exponentially increasing D.C. voltage through resistors R1, R8 and capacitor C2, whereby its frequency of oscillation is linearly related to the measured parameter. The output pulses fire transistor Q2 and alternately transistors Q3, Q4, connected as a free-running bi-stable RL multi-vibrator, at the same frequency. These latter have one half of winding Bl of a hysteresis motor VSM in each collector circuit, whereby motor VSM runs at a speed linearly related to the measured parameter.