baber/WOPTO huggingface dataset:
Patent GB-296220-A (GB)
Title: Improvements in or relating to pencil cases
IPC: B43K21/00
Filed: 1927-10-29
Abstract: 296,220. Etablissements M. Gaupillat. Oct. 29, 1927. Addition to269,216. Pencil holders.-A cup-shaped member b, slightly smaller in diameter than the point-member B, is secured to the lead-support. ing rod E of the pencil holder described in the parent Specification in order to support refills, the member b being sufficiently larger to prevent the refills from passing between itself and the point-member. and a constriction A<1> is formed in the casing A to prevent disengagement of the coils E<11> from the casing when the pointmember is removed and the rod E withdrawn a short distance for the purpose of obtaining a refill. In a modification, the cup is replaced by a cone-shaped member which is moved to one side to permit the passage of a refill between itself and the casing A, the constriction A<1> being dispensed with. Specification 274,820 is referred to.
Patent GB-886688-A (GB)
Title: Improvements in or relating to television circuits
Inventor: NURSE MICHAEL JOHN DENNANT
IPC: H04N5/18
Filed: 1958-09-09
Abstract: 886,688. Television. PYE Ltd. Sept. 2, 1959 [Sept. 9. 1958], No. 28899/58. Class 40(3). In a D.C. restoration circuit, Fig. 1, which may operate alternatively in two different ways to restore the signal, with switch S in the "clamp" position a video signal applied from terminal T1 to -amplifier V1 has its black level bidirectionally clamped to the potential at the junction of resistors R1 and R2 by triodes V2 and V3 (or more complex valves) which receive grid pulses to render them conducting from terminal T2, and with switch S in the "D.C. restored" position triode V2 is biased to cut off whilst triode V3 is biased conducting via resistor R5 and functions as a simple unidirectional switching device to hold the peaks of the synchronizing pulses at the potential at the junction of resistors R1 and R2. The circuit may be re-arranged to operate with a positive-going signal, Fig. 2 (not shown). A modification, Fig. 3, employs diode clamps V7 and V8 which are supplied with pulses from a phase-splitter V5. The pulse input to the phase-splitter is itself D.C. restored by diode V6 to the potential at the junction of resistors R5 and R6. When switch S2 is placed in the "D.C. restored" position, diode V8 is biased inoperative through resistor R7 and the pulse input is cut off so that diode V7 functions as a simple diode restorer operating on the peaks of the synchronizing pulses. If desired the pulse input need not be cut off (as indicated by connection L3) so that diode V7 continues to be pulsed and restores the black level of the signal. The circuit may be arranged with extra switching to permit this feature to be introduced at will. The circuit may be re-arranged to operate with a negative-going signal, Fig. 4 (not shown). The invention is stated to be of value in a monitor where it is desired to check a video signal under different conditions of D.C. restoration.
Patent GB-627586-A (GB)
Title: Improvements in or relating to actuating lever mechanism
IPC: F01L1/32
Filed: 1946-09-27
Abstract: 627,586. Fluid-actuated valves. CLEVELAND, F. J. (Bendix-Westinghouse Automotive Air Brake Co.). Sept. 27, 1946, No. 28980. [Class 135] [Also in Group XXXI] An actuating lever mechanism for a movable member has a torsion spring rod connection between the lever and the member. As shown, the invention is applied to a pedal 25 for actuating a self-lapping valve 4. A torsion rod 30 carried in bearings 31, 32 on the pedal has levers 38, 39 fixed to its ends, the lever 39 bearing on the valve-operating element 14 and the lever 38 abutting an adjusting screw 42 threaded in the pedal. The lever 39 bears against a pin 41 carried by a bracket on the pedal so that by turning the lever 38 by means of the screw 42 the torsional stress in the rod may be adjusted. Downward movement of the pedal and element 14 opens the inlet valve 10 and closes the exhaust valve 12 so that fluid-pressure passes from the reservoir 7 to the pipe 24 leading to a fluid-pressure actuator, and at the same time acts via the passage 23 on a diaphragm 21 attached to the element 14 so as to exert a force equal to that applied by the pedal. In a modification, two parallel torsion rods are used.
Patent GB-1217815-A (GB)
Title: Hydrocracking process
IPC: C10G65/10
Filed: 1969-06-09
Abstract: 1,217,815. Catalytic hydrocracking. TEXACO DEVELOPMENT CORP. 9 June, 1969 [24 June, 1968], No. 29009/69. Heading C5E. In the production of motor gasoline and jet fuel a heavy hydrocarbon oil is hydrocracked in a first stage at 600-850‹ F. and 200- 10,000 p.s.i.g. using a catalyst of 2-10 wt. per cent Ni and 5-30 wt. per cent W as the sulphides on a support which contains 15-60 wt. per cent of a zeolite Y, modified by ion exchange to reduce its alkali metal content to less than 5 wt. per cent, and at least one of the amorphous metal oxides silica, alumina, silicaalumina, magnesia, zirconia and beryllia. The effluent from the first stage is separated into a hydrogen rich stream which can be recycled to the first stage after removal of H 2 S and NH 3 , and a liquid portion from which a gasoline fraction is removed and the remainder passed to the second stage. A heavy hydrocarbon fraction boiling above 850‹ F., if present, can be recycled to the first stage or removed from the system. In the second stage, hydrocracking is carried out at 600-700‹ F. using a catalyst comprising 0À2-5 wt. per cent Pt or Pd on a support such as silica-alumina or the same as that used in the first stage. The effluent from the second stage is separated into a hydrogen rich gas, which is recycled to the second stage or to the first stage, a liquid which is fractionated to provide a gasoline fraction, a jet fuel fraction and a heavier fraction which is recycled to the first stage if more gasoline is required or to the second stage if more jet fuel is required. Suitable charge stocks to the first stage are straight run gas oil, catalytically cracked cycle gas oil, atmospheric residuum, shale oil, tar sand oil, and delayed coker gas oil and can contain 100-500 p.p.m. nitrogen.
Patent GB-206685-A (GB)
Title: Improvements in and relating to fastening means for attachecases, suit-cases, and other articles
IPC: E05B65/52
Filed: 1922-10-25
Abstract: 206,685. Barre, M. Oct. 25, 1922. Stud-and-slot fastenings; catches, spring; fastenings for attachÚ cases.-AttachÚ cases in which a headed member on the lid is automatically engaged by spring catches in a casing on the body of the case when the lid is closed, and is released by a finger-operated plunger which separates the catches, are prevented from accidental opening, when being carried, by a gravityactuated device which secures the plunger. In the form shown in Figs. 1 and 4, the headed catch c mounted in a casing a on the lid is engaged by a pair of spring catches j mounted in the casing b on the case. Release is effected by pulling down the plunger k by its flange m, the wedge-shaped end l forcing the catches j apart, when the springs e, compressed by the engagement of the ends of the U-shaped member d with the casing b, force the member c out of the casing b. A tongue o is pivoted at n in the plunger k, and, when the bag is being carried, drops into engagement with the flange p of the cover plate h of the casing b, as shown in Fig. 4, preventing inadvertent opening of the lid. When the bag is laid flat, the tongue drops out of engagement with the casing and the lid can be opened. Further security is provided by the key operated bolt y, a flange z in which engages a notch in the plunger. In the form shown in Fig. 6, the gravity-actuated member consists of a bolt t housed in a notch s in the plunger k. When the bag is being carried, the ball enters a recess r in the cover plate h and engages a tongue q on the plunger, preventing its operation. The headed member c may be spring- mounted in the casing a, the member d being then unnecessary.
Patent GB-928578-A (GB)
Title: Improved gear wheel
IPC: F16H55/18
Filed: 1961-08-11
Abstract: 928,578. Toothed gearing. R. HOPT. Aug. 11, 1961 [Aug. 20, 1960], No. 29051/61. Class 80 (1). A gear-wheel, which is divided into two components 1, 1<SP>1</SP> which are relatively rotatable to a small extent against spring action for the purpose of taking up backlash between it and another gear-wheel in engagement therewith, is characterized in that it is produced by moulding and includes integral webs 2 connecting the components 1, 1<SP>1</SP> to provide the spring action. Preferably, the gear-wheel is formed by injection moulding from a polyamide or similar synthetic resin composition and is reinforced by metal discs 8, 8<SP>1</SP>. The gear section 1 is keyed on a shaft 4.
Patent GB-873825-A (GB)
Title: Sintered alumina articles and a process for the production thereof
Inventor: CSORDAS ISTVAN
Filed: 1957-09-16
Abstract: Sintered alumina articles, such as wire-drawing dies or grinding on metal-cutting tools, comprise a matrix of alumina, preferably alumina of at least 99.9%, and preferably 99.99% purity, 90% of the particles being of less than 10 microns diameter, there being also included, if desired, up to 66% of the weight of the alumina of another hard refractory material such as silicon carbide of average diameter of 1 micron or electro-corundum of up to 2 mm. in diameter; the combined weight of titanium, manganese and sodium oxides should not exceed 0.02% and that of silica should not exceed 0.1% of the weight of the alumina.  The alumina is first made up into a paste with water or an aqueous solution of ammonia or an organic liquid, e.g. alcohol or glycol; if ammonia is used, the paste is subsequently neutralized with an organic acid, e.g. formic acid.  A fatty acid derivative such as sperm oil may be added as a wetting-agent.  The paste is cast, moulded, or extruded into the desired shape, dried, consolidated by heating to 400-1400 DEG C., and machined either before or after sintering, which is effected at 1450-1500 DEG C. for a period of 10-15 minutes.ALSO:Sintered alumina articles, such as wire-drawing dies or grinding or metal-cutting tools, comprise a matrix of alumina, preferably a -alumina, of at least 99,9%, and preferably 99,99% purity, 90% of the particles being of less than 10 microns diameter, there being also included, if desired, up to 66% of the weight of the alumina of another hand refractory material such as silicon carbide of average diameter of 1 micron or electro-corundum of up to 2 min. in diameter; the combined weight of tiatanium, manganese, and sodium oxides should not exceed 0,02%, and that of silica should not exceed 0,1%, of the weight of the alumina.  The alumina is first made up into a paste with water or an aqueous solution of ammonia or an organic liquid, e.g. alcohol or glycol; if ammonia is used.  The paste is subsequently neutralized with an organic acid, e.g. farmic acid. A fatty acid derivative such as sperm oil may be added as a wetting-agent.  The paste is cast, moulded, or extruded into the desired shape, dried, consolidated by heating to 400-1400 DEG C., and machined, either before or after sintering, which is effected at 1450-1500 DEG C. for a period of 10-15 minutes.
Patent GB-1507276-A (GB)
Title: Method of joining an electrically conductive metal bar to a carbon block
IPC: B22D19/04
Filed: 1976-07-13
Abstract: 1507276 Electrical contacts to carbon cathodes SOC DES ELECTRODES ET REFRACTAIRES SAVOIE 13 July 1976 [17 July 1975] 29131/76 Heading C7B Metal e.g. steel bars 15 for supplying current are joined to carbon blocks 10 containing grooves 11 or holes for receiving them, to form cathode elements of an electrolysis cell for Al production, by cast metal, each of the grooves or holes on which the bars are to be placed having one or more anchoring points located in the end zone of the block comprising depressions e.g. blind holes 12 to 14 or reliefs the shape of which is taken on by the cast metal when it is poured into the gap between the bars and the walls of the grooves or holes. Preferably the length of each bar is such that one end is located in the middle zone of the block where the groove or hole may be interrupted, to expand freely longitudinally within the groove or hole in an adequate space, preferably filled with carbon felt or powdered graphite.
Patent GB-1063267-A (GB)
Title: Improved method for the preparation of dicyclohexylketone
Filed: 1963-07-23
Abstract: Dicyclohexyl-ketone is made by treating hexahydrobenzoic acid at between 330 DEG  to 450 DEG  C. with a catalyst comprising manganous oxide dissolved in hexahydrobenzoic acid.  The catalyst may be protected against oxidation by passing small amounts of hydrogen through the reaction mixture and catalyst life is maintained, and a very pure product results, if steam is blown into the molten mass forming the catalyst.  In addition to manganous oxide, other metal oxides which are inert at the reaction temperatures but which form salts with the acid, e.g. magnesium oxide, may be present. The yield is said to be quantitative.  Examples are provided.
Patent GB-678545-A (GB)
Title: Improvements in a fire extinguisher
IPC: A62C13/00
Filed: 1950-11-29
Abstract: 678,545. Fire-extinguishers. EVANS, O. (Safety First Products Corporation). Nov. 29, 1950. No. 29179/50. Class 47 (ii). A powder fire-extinguisher comprises a main container 10 having at its upper end 12 a powder outlet 30 controlled by a spring-pressed valve 22 which is operated by a lever 37, and at its lower end an opening by which a gas bottle 40 is mounted within the container 10, the bottle being provided with a valve operable by a finger disc 44 outside the container 10 to release gas from a nozzle 55 into the container 10. The disc 44 may be sealed by means of a pin and sealing wire.
Patent GB-1512827-A (GB)
Title: Pulse type radar with modulated carrier frequency
IPC: G01S13/24
Filed: 1975-07-11
Abstract: 1512827 Radar THOMSON-CSF 11 July 1975 [12 July 1974] 29348/75 Heading H4D A range gated radar system is arranged to radiate a recurring sequence, or program cycle, of pulses in which each pulse is radiated at a predetermined one of a series of differing carrier frequencies. Magnetron transmitter 9 is arranged, under control of synchronizing circuit 4, to produce a cyclical variation in frequency and is triggered at the p.r.f. Circuit 4 also controls via sample and hold 10 summer 11, and amplifier 12 voltage controlled local oscillator 5 whereby the L.O. frequency corresponds to the transmitted frequency for any p.r.p., so that an I.F. signal of nominal frequency FI is produced at mixer 6 and fed via AGC amplifier 7 to utilization circuit 8 (not shown). The invention is concerned with monitoring the actual, varied, transmitted frequency and L.O. frequency using a multiple integrating circuit 17, retroactively providing correction signals at summer 11 to counteract any detected error. The L.O. signal is mixed at 16 with some transmitted energy from coupler 15 and fed to multiple integrator 17 which comprises, Fig. 3 (not shown), an operational amplifier with a plurality of parallel feedback paths including respective capacitors in series with circuit breakers which are controlled by synchronizing circuit to be individually closed in synchronism with the program cycle of transmitted frequencies, to produce an integrated error signal output for each respective transmitted frequency.
Patent GB-162236-A (GB)
Title: Improvements in or relating to coke ovens
IPC: C10B5/06
Filed: 1920-01-16
Abstract: 162,236. Marr. J., and Coke Oven Construction Co., Ltd. Jan. 16, 1920. Regenerators.-In an horizontalflued coke oven in which the ends of the flues are arranged all at one side of the bench and in which the direction of flow of the heating- gases is reversed in the flues, a regenerator chamber connected to a pair of flues is arranged beneath each oven and the two sets of alternate chambers are connected with two main flues running lengthwise of the bench. In the construction shown the regenerator chambers 15, 16 of the two sets are connected respectively on the one hand with the limbs 6, 7 of U-shaped flues in the heating-walls, and on the other with pairs of main flues 17, 18 which can be put into communication through a reversing valve with either the atmosphere or the chimney. Burners are fitted for each flue at both sides of the bench, and in each phase those supplying the limbs 6, 7 at opposite sides are in operation together. For heating the gas supply flues 19, 20 are interposed between the pairs of main flues 17, 18, the gas being passed through one or other of the flues 19, 20 according to the course of the waste, gases. In modifications the waste gases after leaving the main flues 17, 18 are passed through a recuperator or one or other of a pair. A construction of recuperator is described built up of blocks providing vertical passages for the air and horizontal ones for the waste gases. Specification 162,045 is referred to.
Patent GB-948823-A (GB)
Title: Cart
IPC: B62B3/18
Filed: 1960-08-25
Abstract: 948,823. Hand carts. SVENSKA DATAREGISTER A.B. Aug. 25, 1960 [Aug. 26, 1959], No. 29436/60. Heading B7B. A self-service cart 10 comprises a basket 14 pivoted by pivots 72, 73 in guides 74, 75 on a wheeled frame 12. The walls 28, 30, 32 of the basket are connected by U-shaped members 42, 44, 46 and the front wall 36 is pivoted to members 56, 58. The wires forming walls 32, 30 are interconnected by members 48, 50 and 49, 51 and are stressed so that on raising wall 36 about pivots 60, 61 and so moving U-shaped members 54, 62 from members 48-51, the front part of walls 30, 32 spring apart to facilitate emptying of the basket. A U-shaped member 76 is pivoted to the basket and the frame, to limit clockwise rotation of the basket about pins 72, 73. When the cart enters recess 82 in counter 80, a roller 86 raises the rear end of the basket, the pins 72, 73 riding up guides 74, 75 and the bottom pivoting rearwardly about member 76, so that on raising wall 36 the contents of the basket slide easily on to counter 80. A pivoted rear wall 34, prevented from clockwise rotation by abutments 70, and the diverging legs 12d of the frame 12 enable several carts to be nested.
Patent GB-434574-A (GB)
Title: Improvements in and relating to sparking plugs
IPC: H01T13/36
Filed: 1934-10-15
Abstract: 434,574. Sparking-plugs. HALIK, E., 20, Fochova tr., SRAMEK, V., 1, Cestmirova, WEINER, E., 26, Blanicka, and JACOB, A., 1, Cestmirova, all in Prague. Oct. 15, 1934, No. 29480. [Class 7 (iv)] The central electrode is enclosed in mica and quartz sleeves 3, 4 respectively, and secured in a ceramic insulator 2 embedded in a flanged metal sleeve 9. Ceramic insulation also surrounds the lower part of the quartz sleeve between the flanges on the sleeve 9 and the electrode. The cavity 6 may be filled with cement. Instead of having a flange at the inner end of the sleeve 9, the casing 10 may be formed with a supporting flange or shoulder.
Patent GB-648053-A (GB)
Title: Improvements in or relating to sheet feeding apparatus
IPC: B65H9/10
Filed: 1948-11-12
Abstract: 648,053. Feeding sheets. BACKHOUSE, H. T., and TEBBS, G. W. Nov. 12, 1948, No. 29499. [Class 100 (i)] In sheet feeding apparatus of the kind in which a succession of sheets are registered in turn on a layboard by front and side lays or stops is constructed with a " searching device " continuously operable to engage the rear edge of a sheet at a position corresponding to the rear edge of a sheet positioned with its front edge at the front stops, and when the rear edge is engaged it is given a continuous push or series of pushes to hold the sheets in front register during side-registering thereof. The searching device may take the form of a rubber or like toothed wheel 10, Fig. 1, driven by a running- in wheel 1 which engages the sheet 2 behind the leading sheet 3 (which as shown overlaps the front of the sheet 2 but may be out of contact therewith). The wheel 1 presses the sheet 2 against a conveyer 6 and is driven thereby, and a belt 12 drives the wheel 10. In a modification the wheel 10 may be replaced by a brush or by a wheel, the blades of which are of spring metal strip which extend tangentially to the circumference of the body of the wheel, and have ends which are radial of the wheel. In a further modification, Fig. 4, the wheel 10 is replaced by a hub having a tyre composed of a helical spring 16 wrapped around the hub, and having some turns of the spring displaced outwardly at 17. In Fig. 5 a yieldingly mounted reciprocating pusher 21 is reciprocated by a bell-crank oscillated by a cam 22 on the shaft of the roller 1. In a further modification a roller similar to the roller 10 is driven from the roller 1 by a friction coupling.
Patent GB-423572-A (GB)
Title: Improvements in filter plugs or wads for cigarettes and in their manufacture
IPC: A24D3/02
Filed: 1933-07-04
Abstract: Filter plugs or wads for cigarettes and the like are formed by severing strips from a sheet or roll of material (e.g. cellulose wadding), the width of the sheet or roll being a multiple of the desired length of plug or wad, forming the strips to the desired cross-section, and moving the formed strips laterally from the forming-mechanism.  The machine described for forming the plugs or wads is identical with that described in Specification 423,503. The material may be of a thickness approximating the dimensions of the finished plugs, and the plugs may be formed to the desired cross-section by the action of the cutting-knives as described in the above-mentioned Specification.  Material of less thickness may, however, be used, the cut strips being passed through a spiral folding device.  Specification 421,551 also is referred to.
Patent GB-1276883-A (GB)
Title: Method and apparatus for forming images
IPC: G06K15/10
Filed: 1969-06-11
Abstract: 1276883 Irik drop recorder MEAD CORP 11 June 1969 [18 Oct 1968] 29580/69 Heading G4H An ink drop recorder comprises a drop generator 32, a recording sheet wrapped around a rotating drum 15, a pulse generator 67 generating signals which enable the relative positions of the recording sheet and the drop generator to be determined, an information source, e.g. tape unit 50, a gating means, e.g. shift register 60, controlling the output of signals from the information source so as to provide a control signal for selectively permitting the ink drops to reach the recording sheet, an output connection between the pulse generator and the drop generator for controlling the timing of deposition of drops on the recording sheet, and a control connection between the gating means and the pulse generator to synchronize the control signals with the movement of the recording sheet. The drop generator includes a charge ring 40 which selectively charges each drop in accordance with the control signals. A deflector unit 44 then selectively acts on each drop according to whether it is charged to cause it to impinge on the recording sheet or the collector 45. A switch 78 starts the tape unit 50 and causes the information contained thereon to be loaded via the register into the memory 55, the loading being controlled by alternate pulses from the oscillator 98 through the "AND" unit 95. The load counter 85 counts the bits until the memory 55 is half full and then terminates the process. The print cycle is then started by the switch 110 which under the control of the memory clock and the pulse generators 67 and 73 transfers the information from the memory to the charge ring 40, whilst simultaneously restarting the transfer of information from the tape unit to the vacant half of the memory 55 by means of the line 117 and the "OR" unit 80. The information in the second half of the memory 55 is automatically transferred to the first half for subsequent transfer to the charge ring.