baber/WOPTO huggingface dataset:
Patent GB-1363707-A (GB)
Title: Synchronous buffer unit
IPC: G06F5/08
Filed: 1971-10-05
Abstract: 1363707 Digital data storage PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 5 Oct 1971 [8 Oct 1970] 46247/71 Heading G4C  A synchronous buffer includes an n-bit shift register R1, Fig. 1, which receives serial data on p 1 , p 2  and passes the data to output lines p 3 , p 4  under the control of pulses from a control unit. The control unit comprises n bi-stable stages R 2  and is fed by clock pulses ci, cu at the speed of the pulses on the input lines p 1 , p 2  and of the pulses on the output lines p 3 , p 4 . It is also fed with clock pulses CL at a frequency at least twice, and preferably five to ten times, as high as the data clock frequency. The bi-stables and the stages of the register are interconnected as shown. As described the bi-stables and the register stages are J.K flip-flops. In operation, when a read-in clock pulse occurs on c i , unit C si , Fig. 2a (not shown), passes a single pulse of duration equal to the repetition frequency of pulses CL to bi-stable F 1 <SP>1</SP>. When the next CL pulse occurs F 1 <SP>1</SP> is set, making a Q high and passing a pulse to F 1 . When the next CL pulse occurs F 2 <SP>1</SP> is set and F 1 <SP>1</SP> reset, and so on, until F n <SP>1</SP> is set or until a bi-stable F r <SP>1</SP> immediately preceding a set bistable is set. When a 1-bit appears on data input p<SP>1</SP> it passes successively through stages F 1 , F 2 , F 3  &c. under the control of the negative going pulses on terminals T from the successive bi-stables F 1 <SP>1</SP>, F 2 <SP>1</SP>, F 3 <SP>1</SP> &c. The 1-bit progresses through the register either to stage F n  or to the stage F r  preceding F n  that corresponds to bistable F r <SP>1</SP>. Upon a read-out clock pulse cu occurring stage F n  of the register is read out to the output lines p 3 , p 4  and bi-stable F n <SP>1</SP> is reset. The subsequent clock pulses CL shift the states of bi-stables F 1 <SP>1</SP>, F 2 <SP>1</SP> &c., to the right and consequently the data in register R 1  to the right by one place. A buffer of larger capacity can be constructed by connecting in series two or more buffers identical to that shown, the output in from bistable F n <SP>1</SP> of one buffer being connected to input ii of the next, and b 1  of one to b 2  of the next.
Patent GB-1284120-A (GB)
Title: Fuel injection pump
Inventor: KURZ ZDENEK
IPC: F02M41/14
Filed: 1969-09-19
Abstract: 1284120 Fuel injection pumps USTAN PRO VYZKUM MOTOROVYCH VOZIDEL 19 Sept 1969 [26 Sept 1968] 46318/69 Heading F1A [Also in Division G3 In a fuel injection pump in which the strokes of opposed pumping piston 14 are adjustable by axial movement of a regulating fork 7, controlled manually and by a centrifugal governor, the governor causes movement of the fork 7 in a delivery reducing direction up to idling speed and again when the maximum desired speed is approached. The starting position of the fork 7 is determined by a cam 8 rotatable to axially position a further forked member 6 operatively connected to the fork 7. Immediately after start-up the governor weights 5 urge a nut 3 on the fork 7 into abutment with a ring 4, the motion being resisted by a light spring 9. Thereafter the weights have to overcome the resistance of the spring 9 and a further spring 10 to control the speed. The loading of the springs 9, 10 is adjustable by rotating a casing 1 screwed into a carrier 2 for the weights 5.
Patent GB-1393734-A (GB)
Title: Disposable diaper
IPC: A61F13/15
Filed: 1972-10-09
Abstract: 1393734 Infant diapers JOHNSON & JOHNSON 9 Oct 1972 [7 Oct 1971] 46438/72 Heading A5R A diaper comprises a water impervious backing sheet 12 and a porous facing layer 16, a loosely compacted fibrous batt 14 being disposed between the sheet 12 and the layer 16 and comprising a smaller batt portion 14a adhered to the backing sheet 12 and a larger area batt portion 14b adjacent the facing layer, the larger area batt portion 14b overlapping the smaller bail portion 14a art the sides 14c where it is adhered to the backing sheet 12. The smaller batt portion 14a and the sides 14c of the larger area batt portion 14b are adhered to the backing sheet 12 by spaced parallel lines 22 of adhesive. The facing layer 16 and the backing sheet 12 are wider than the batt 14 and similarly adhesively secured to one another. The backing sheet is made of polyethylene or polyethylene terephthalate which may be embossed. The batt is made of cellulosic fibres less than " long and may have on the side of the smaller portion 14a adjacent the backing layer a densified compacted paper-like layer (18) formed by moistening and pressure. The facing layer comprises at least 75% fibres shorter than " long, the remaining fibres being ¢" to 2¢" long e.g. rayon or cotton fibres. The fibres are bonded by a water repellent bonding agent and then treated with an ionic sulfonated alkyl ester wetting agent.
Patent GB-1028178-A (GB)
Title: Waveguide circulator
Inventor: DAVIS LIONEL EDWARD
IPC: H01P1/39
Filed: 1963-11-26
Abstract: 1,028,178. Circulators. MULLARD Ltd. Nov. 26, 1963, No. 46658/63. Heading H1W. The ferrite elements of an X-band, E-plane, Y- circulator have a thickness preferably not exceeding one-sixth of a wavelength # at the mid-band frequency. If the thickness exceeds this figure, then the transverse dimensions of the element must be reduced to less than #/6 at positions spaced from the waveguide wall by more than #/6. The thickness is preferably greater than #/24 to avoid poor circulation and less than #/8 to avoid reverse circulation. Where the thickness is greater than about #/12 (0À15 inch), the width of the element must be reduced to approach #/6 (0À2 inch) at a distance of between #/8 and #/6 from the wall of the waveguide to which it is attached. The elements may be in the form of discs, triangular plates, square plates, truncated cones or truncated pyramids. Instead of tapering (as in the case of cones or pyramids), discs or triangles of smaller thickness and width, e.g. triangle 6, may be placed on top of the larger discs or triangles. Matching may be improved in all embodiments by arranging a dielectric disc, e.g. disc 2, on top of the ferrite element. Slabs 5 may be arranged in the waveguide ports adjacent the ferrite element to improve matching. In all embodiments, the elements are placed on the narrow walls of the waveguides at the junction and a magnetic field is applied parallel to the broad walls. A four-port circulator comprises two T-circulators, as described, with one common arm.
Patent GB-1136679-A (GB)
Title: Portable motor driven power tool
Inventor: MILLER HENRY EDWARD
IPC: B24B23/02
Filed: 1967-10-13
Abstract: 1,136,679. Sawing. CHICAGO WHEEL & MFG. CO. 13 Oct., 1967, No. 46845/67. Heading B5L. [Also in Divisions B3 and B6] A portable electrically driven cordless tool for rotating an eraser, grinding wheel, saw or drill E, Figs. 5 and 6, comprises an electric motor M driven by two rechargeable batteries B 1 , B 2 , and a hollow-drive shaft 46 driven by the motor through belts 53. The tool housing comprises two mirror image thermoplastic elements 15, 16 with cavities for the motor M, batteries B, transformer rectifier 28 &o. and having flat joint faces 30 held together by rubber rings 18. Shaft 46 is supported in bearings 59-61, and the bearings and motor M are insulated so that vibrations are not transmitted to the housing, by rubber sleeves 64, 67, 68, 69. The operation of motor M is controlled by a push-button mercury switch 73. When loosening or tightening the chuck 26, shaft 46 is held against rotation by a manually-operated, spring-urged detent 80. Chuck 26 comprises a screwed bore 90, Fig. 2, for screwing on to shaft 46, and an exchangeable split collet 92 actuated to grip or release the tool by engagement with angled faces 99, 104. A stand for recharging the batteries by connection to rings 35, 36, may be supplied. When a re-charging cord is used it is connected to the tool at 150.
Patent GB-1523188-A (GB)
Title: Press for curving glass sheets
IPC: B21D5/01
Filed: 1976-11-12
Abstract: 1523188 Bending glass sheets SAINT-GOBAIN INDUSTRIES 12 Nov 1976 [13 Nov 1975] 47219/76 Heading C1M A press for curving glass sheets has a frame-like concave mould 6, which only contacts the sheet at its periphery, provided with a plurality of infra-red heaters 20 for heating the concave mould 5 to which the mould 6 is opposed. The convex mould 6 is further provided with air washing ducts. The concave mould 6 comprises a thin aluminium sheet whose shape may be adjusted using threaded positioning members 10. Both moulds have on their opposing faces a glass fibre mat and the concave mould also has a backing 12 of insulating material.
Patent GB-1113060-A (GB)
Title: Manufacture of pigment compositions
Inventor: MITCHELL JOHN
IPC: C09B67/10
Filed: 1964-11-20
Abstract: In the process for the preparation of pigment compositions described in Specification 1,082,967, milling is carried out in the presence of an organic solvent in admixture with the aqueous media.  Preferably 2-10% of solvent based on the weight of the aqueous phase is used and specified solvents include aliphatic and alicyclic alcohols, halogenoalkanols, ketones, amides, glycols and ether-glycols.
Patent GB-1272569-A (GB)
Title: Tobacco smoke filters
Inventor: HOWE CHARLES WILKINSON BREEKS
IPC: A24D3/02
Filed: 1968-10-07
Abstract: 1,272,569. Tobacco-smoke filters. CARRERAS Ltd. 7 Oct., 1969 [7 Oct., 1968], No. 47524/68. Heading A2C. Beads or granules of polymers, such as polyolefins, polyamides, polyesters and polystyrenes, are bonded at their points of contact by heat to produce tobacco-smoke filter material. The granules may be formed into a continuous filter rod for subsequent division into filter elements or components by extruding them in a heated screw extruder and then cooling, or by transporting them through a heat-forming die on a continuous porous conveyer tape which temporarily enwraps the granules to hold them in position during heating and subsequent cooling. Multiple component filters may be formed by placing the granules between two conventional filter wads (e.g. of paper or fibre) on a wrapper, enclosing the granules and the wads in the wrapper and subsequently heating and cooling to bond the granules. Preferably, in the latter case, a small amount of heat expansible polystyrene beads are also included with the granules to fill any gaps caused by imperfect filling. A filter element may also be formed by dispensing the granules vertically into a preformed tube which is closed at the bottom with a paper or fibre filter wad, and then closing the other end with a similar wad and heating to bind the granules.
Patent GB-1365946-A (GB)
Title: Pressure vessel lead in device
IPC: H01B17/30
Filed: 1971-10-19
Abstract: 1365946 Pressure vessel lead-in devices; bushing insulators NATIONAL FORGE CO 14 Oct 1971 [22 Dec 1970] 47922/71 Headings H2E and H2C A device for taking electric power through the wall 10<1> of a pressure vessel comprises a rod 36 of highly electrically conductive, but soft, material such as copper, surrounded by an insulating sleeve 38. Attached to the end of the rod is a member 40, through which the current passes, and which distributes the force from the pressurized fluid to the wall 10<1>, thus relieving the rod 36 of stress. Member 40 is of hard, lower conductivity, material such as steel. It is insulated from the wall by a ceramic disc 48. Between the disc and the wall is a further metallic member 46, which has a reduced diameter when it bears on the wall, in order to minimize transmission of stresses to disc 48 when the wall bends. The pressurized fluid is sealed in by 0- rings 50, 54. In an alternative embodiment, for moderate pressures only, (Fig. 1, not shown) member 46 is absent, and the disc (28), which is of plastics, bears directly on the wall of the vessel.
Patent GB-1181044-A (GB)
Title: Hydraulic Press
IPC: B30B5/02
Filed: 1968-10-10
Abstract: 1,181,044. Hydraulic presses. VERSON ALLSTEEL PRESS CO. 10 Oct., 1968 [22 April, 1968], No. 48088/68. Heading B5F. In an hydraulic forming press having an expansible fluid pressure bag 58 located in a cavity 34 in a cylindrical body 12, stress concentrations in the body are minimized by a plurality of fluid pressure cylinder and piston devices 100, 102 which impart a radial reaction to portions of the body between the bag 58 and a work-supporting tray 42. The cylindrical body 12 comprises an inner cylinder 30 and a laminated outer cylinder 32 formed of sections welded together as at 35. The press comprises also rigid roof and floor members 36, 38 and 40. The cylinders 100 and the bag 58 are supplied with fluid under pressure by a pump and motor unit (20).
Patent GB-1272090-A (GB)
Title: Plasticised acrylonitrile polymer compositions and articles formed therefrom
IPC: C08K5/00
Filed: 1969-10-01
Abstract: 1,272,090. Extrudable acrylonitrile polymer compositions. CELANESE CORP. 1 Oct.; 1969 [2 Oct., 1968], No. 48205/69. Headings C3C and C3P. Compositions for the production of filaments and films by extrusion at elevated temperature comprise at least 50% by weight of an acrylonitrile polymer containing at least 85% by weight of acrylonitrile units, homogeneously blended with a plasticizing mixture of which 40-70% by weight is acetonitrile or aqueous acetonitrile of which up to 35% by weight is water, and 60-30% by weight is a volatilizable solvent or solvent plasticizer which has a boiling point above 100‹ C. Suitable solvents or solvent plasticizers include cyclic alkylene carbonates, butyro- and valero-lactones, N- acetyl-morpholine, cyclic tetramethylene sulphone, N,N-dimethylformamide, ethylene sulphite, N,N - dimethyl hydroxyacetamide or methoxyacetamide, N - formyl hexamethyleneimine, p-phenylene diamine, m- or p-nitrophenol, succinonitrile, glycolonitrile, succinic anhydride, diglycolic anhydride, N,N<SP>1</SP>-diformylpiperazine and mixtures thereof. The acrylonitrile polymer may be a homopolymer or a copolymer with, for example, methyl acrylate, methallyl alcohol, vinylidene cyanide, styrene sulphonic acid salts or sodium methallylsulphonate. In Example 2 a foamed film is prepared by extrusion of an acrylonitrile-methyl acrylate copolymer plasticized with a gamma-butyrolactone-acetonitrile-water mixture, foaming being effected by vaporization of the butyrolactone as the film emerges from the extruding die.
Patent GB-1180468-A (GB)
Title: A Linear Waveform Generator
Inventor: SHEPARD STANLEY CARDEN
IPC: H03K4/502
Filed: 1967-10-25
Abstract: 1,180,468. Transistor sawtooth and pulse generators. STANDARD TELEPHONES & CABLES Ltd. 25 Oct., 1967, No. 48464/67. Heading H3T. In a linear waveform generator, a capacitor C, Fig. 2, is charged via the base-collector path of transistor TR7 and the emitter/collector path of transistor TR6 at a rate depending on the magnitude of the emitter resistance of TR6 and subsequently discharged via the base/ collector path of TR6 and the emitter/collector path of TR7 at a rate depending on the emitter resistance of TR7. In the circuit shown, the sawtooth voltage from capacitor C1 is passed via transistor TR8, TR9 to a Zener diode ZD3 arranged so that when the sawtooth voltage reaches a predetermined value, ZD3 becomes conductive, reversing the state of the bi-stable circuit 1, the resulting voltage change being amplified at 2 and fed via switch SW3 to the collector of TR6 so as to initiate the discharge cycle. The discharge continues until the normal-bottomed transistor TR10 becomes cut off, when the bi-stable circuit 1 is reset to initiate a further charging cycle. Adjustment and control functions.-The frequency is adjustable by variation of the voltage across A, B and by selection of capacitors by SW5. The mark/space ratio of the output is adjustable by RV1 or, as in Fig. 3 (not shown), by a pair of switches selecting individual emitter resistors. SW4 provides a sawtooth output at position 2 and a square wave output at position 1. The various positions of SW2 and SW3 provide single ramp or D.C. outputs. Modifications.-In Fig. 5 (not shown), one generator of the type shown in Fig. 1 is arranged to modulate the output of another. Switching arrangements are provided so that the square wave output of one generator may be differentiated so as to provide needle pulses which are amplified by three further transistors and used to trigger the other generator. Amplitud modulation.-Fig. 6 shows a modulator in which the output of one sawtooth generator of the type shown in Fig. 1 is fed to terminal I and passed via transistors TR16, TR17 to output terminal G. The output of a further such sawtooth generator is fed to terminal K where it controls the conductivity of TR15 so as to modulate the output at G. A Zener diode ZD4 and transistor TR14 are provided to clip off portions of the waveform at I. SW9 in position 2 allows the modulated sawtooth at G to be replaced by a D.C. voltage. Switches SW10, SW11 at position 2 allow full modulation without clipping whilst at position 3 the modulation will be cut off. The clipping, modulation and output levels are respectively adjustable by RV2, RV3, RV4.
Patent GB-1207386-A (GB)
Title: A signal transmitting and receiving system
Inventor: HUTH GERALD CHARLES
IPC: G01S17/10
Filed: 1967-10-25
Abstract: 1,207,386. Pulse discriminators; laser radar. GENERAL ELECTRIC CO. 25 Oct., 1967 [15 Feb., 1967], No. 48609/67. Headings H3T and H4D. [Also in Division G1] A transmitting and receiving system for use in communication and ranging applications comprises a transmitter of rapid rise time pulses of coherent radiation in the visible to near-infrared range and a receiver, for selectively receiving these pulses, comprising a cone shaped P-N junction type detector to receive the pulses and biased to enable avalanche multiplication on detection of radiation, which is connected to a tunnel diode pulse amplifier circuit. The transmitter may be a semi-conductor injection diode e.g. of gallium arsenide operating as a laser to produce very short rise time pulses e.g. of 20 nanoseconds in the 0À9 micron range. The receiver circuit, shown in Fig. 2, comprises a cone-shaped semi-conductor detector 10 having a P-type outer face connected to earth and an N-type inner face. This is biased from terminal 19 with a high positive voltage. The tunnel diode 21 is biased near its low voltage peak current by diode 25, connected to supply terminal 22 through resistor 27. Slow rise time signals from the detector, due to ambient light variations, pass through ceramic capacitor 20 and are conducted to earth through inductor 24, resistor 32 and diode 25, the circuit comprising tunnel diode 21 and resistor 28 having a higher impedance to such signals. Rapid rise time signals however, due to pulses received from the transmitter, are not passed by inductors 24 or 23 but are amplified by tunnel diode 21, and transmitted to transistor amplifier circuit 29-36. An output amplifier 37 is also provided. In an alternative receiver circuit, Fig. 4, the transistor amplifier circuit 29-36 is replaced by another tunnel diode amplifier. The output amplifier 37 may also include a tunnel diode. In the communications application of the apparatus, the pulse code modulator is associated with the transmitter at one location and a pulse decoding means with the receiver at another location. A typical ranging application is illustrated in Fig. 1 (not shown), and includes a display oscilloscope.
Patent GB-1283259-A (GB)
Title: Spring hanger
Inventor: KUO CHI SHENG
IPC: F22B37/20
Filed: 1970-10-13
Abstract: 1283259 Spring pipe supports STONE & WEBSTER ENG CORP 13 Oct 1970 48645/70 Heading F2S [Also in Division F4] In a variable pipe support the interior of the casing 24 or the spring (springs 26a, 26b) is coated with a low-friction material 44 e.g. tetrafluoroethylene, nylon or epoxy resin. Lowfriction bumpers 52, 60 are fitted at spaced points on the periphery of the pipe-carrying plate 48 and a spacer 56 centring the spring(s). The articulation 50, 70 may be replaced by a universal joint. The pipe support of Fig. 6 (not shown) also employs two springs (126, 129) acting in series, but arranged in concentric lowfriction coated casings (124, 127) engaged by bumpers (160, 176 and 152) fitted on plates (133, 148) and the outer casing (124).
Patent GB-996374-A (GB)
Title: Treatment of quinone-containing solutions
IPC: C01B15/023
Filed: 1962-12-28
Abstract: In the production of hydrogen peroxide by the anthraquinone process, the working solution is treated with an aqueous alkaline solution of a water-soluble dithionite, and the resulting aqueous phase is separated from the organic phase. The aqueous phase may then be oxidized to precipitate anthraquinone.  The working solution to be treated may be taken from any part of the cycle other than between the oxidation and extraction steps, preferably from the reduction step.  The treatment with dithionite and separation of the aqueous phase may be conducted in a number of stages. The dithionite, preferably sodium or potassium dithionite, may be added as a strongly alkaline solution in aqueous alkali, preferably in an inert atmosphere at an elevated temperature, e.g. 50 DEG  C.  The separated organic layer may be distilled to recover the working solvent. Alternatively, the working solvent may be removed from the working solution by distillation, thereby leaving quinone and inert material which is then dissolved in another suitable solvent, which is less volatile than the first, and the resultant solution is then subjected to the dithionite treatment in aqueous alkaline medium, which may be followed by an oxidation step.  The solvent can also be removed and the residue treated directly, after which the aqueous layer is separated from any residual material, and is then oxidized. Anthraquinones referred to are substituted anthraquinones, e.g. 2-ethyl anthraquinone and substituted, nuclearly hydrogenated, anthraquinones, e.g. 2-ethyl tetrahydroanthraquinone.ALSO:An anthraquinone-containing working solution employed in the cyclic process for the production of hydrogen perioxide (see Division C1) is treated with an aqueous alkaline solution of a water-soluble dithionite, and the resulting quinol-containing phase is separated from the organic phase.  The dithionite, e.g. Na2S2O4 brings about reduction of anthraquinone to anthraquinols and the aqueous alkaline solution immediately extracts the quinols forming the sodium salts thereof.  In the examples a synthetic working solution containing 2-ethylanthraquinone and tetrahydroethylanthraquinone in a hydrocarbon solvent is treated with an aqueous solution of sodium dithionite.
Patent GB-1345098-A (GB)
Title: Apparatus for cutting fragments from tyre casings
IPC: B29B17/02
Filed: 1972-10-24
Abstract: 1345098 Cutting-up tyres R B TUPPER M D TUPPER N C LOCATI and L M THORPE 24 Oct 1972 [29 Nov 1971] 48853/72 Heading B4B Apparatus for cutting-up a tyre casing into fragments comprises means 110 for supporting the tyre for rotation about its axis, cutting means 32, 50 for cutting fragments from the tyre whilst held by the supporting means, the latter including rollers 58 for pressing on opposite sides of the tyre adjacent the cutting means whereby the tyre is reduced to a substantially flattened condition. The tyre supporting means includes a spider device, 110 which includes arms 112-122 adapted to be expanded into contact with the inner beading of the tyre by means of a piston-and-cylinder device 104, 156; the spider is mounted on a plate 108 formed with a hub 106 so as to be freely rotatable. Clamp fingers 133, 141 are provided for gripping the side walls of the tyre. The spider arrangement is mounted on a carriage 81 movable on guide rods 92, 94 by means of a ram 180 so as to bring the tyre into a position in which it can be compressed by the pair of rollers 56, 58; the rollers are moved toward or away from each other by a ram 70, Fig. 2, one roller being rotatable by a motor 64, Fig. 3. The cutting means comprises one or more cutters 32 secured to a mounting 28 which is rotatable by a motor 40 via shaft 30; the cutters co-operate with an anvil 50. The cut fragments are withdrawn from a housing 24 via a neck portion 24b.