baber/WOPTO huggingface dataset:
Patent GB-1526689-A (GB)
Title: Digital compensator for transmitter instability in mti radar systems
IPC: G01S7/288
Filed: 1977-07-26
Abstract: 1526689 Pulse radar INTERNATIONAL STANDARD ELECTRIC CORP 26 July 1977 31291/77 Heading H4D An MTI radar system, with a digital compensator for transmitter instability, comprises a receiver 208 responsive to echo signals and including phase detectors 209, 210 providing in-phase and quadrature signals Is, Q s , a receiver 219 responsive to samples of the transmitted pulses and including phase detectors 220, 221 providing in-phase and quadrature signals Im, Qm, digitizing means 213 for the signals I s  Q s , Im, Qm, and compensating means 214 including digital arithmetic computing means for solving Ic = I s Im + Q s Qm and Qc = I s Qm - Q s Im. Ic and Qc are "normalized" to remove amplitude fluctuations and signals I'c, Q'c pass to a known DMTI canceller 215, which correlates the digital values for a succession of range bins in one pulse repetition interval with those of the next, so that stationary target signals may be cancelled.
Patent GB-935965-A (GB)
Title: Spring-loaded driving member for chain conveyors and the like
Inventor: WLADARZ MAXIMILIAN
IPC: B61J3/04
Filed: 1961-08-31
Abstract: 935,965. Spring loaded driving members for chain conveyers. SIEMAG MASCHINENUND STAHLBAU NETPHEN G.m.b.H. Aug. 31, 1961, No. 31296/61. Class 104 (2). A spring loaded driving member of a chain conveyer for the movement of conveyer trolleys comprises a drag link 4, pivotally mounted at 3 on a link 2 of a chain 1, which is brought to a driving position, wherein it engages the axle 10 of a conveyer trolley, by a sensing stirrup 6, pivoted at 5 to the link 2, the sensing stirrup 6 having a surface 7 rising rearwardly in the direction of movement, A, of the conveyer, the arrangement being such that as the height of a trolley axle 10 is sensed by the stirrup 6, the drag link 4 is brought to the correct height for driving that axle. A spring 9 is provided between the drag link 4 and the sensing stirrup 6, which engage each other at a curved surface 8 on the stirrup 6. As the stirrup is moved downwardly by a trolley axle 10, the drag link 4 slides on the surface 8 by the action of gravity and the spring 9, and is brought to its driving position. Alternatively, a roller (not shown), provided on the stirrup 6 may engage a curved surface, as 8, but provided on the drag link 4, and the surface 14 of the drag link may be formed as a curved rising surface, as 7, so that the drive is disconnected if the chain speed is too great, and also so that trolleys moving faster than the chain may pass over and temporarily depress the drag link 4 and then be driven by it (Fig. 4, not shown). Furthermore the chain may bo reciprocated to pass under the trolleys on its return movement, rather than be moved continuously in one direction.
Patent GB-366009-A (GB)
Title: A process for producing artificial masses similar to albumen
IPC: C08G12/40
Filed: 1930-10-18
Abstract: In the reaction of urea or the like on thioaldehydes as described in the parent Specification, the proportion of aldehyde to urea is more than 2 mols. of aldehyde to 1 mol. of urea, 1 part of urea, 4 parts of formaldehyde, and 2 parts of ammonium sulphide being suitable. The products are stable liquids insoluble in water.  They react with acid anhydrides to form glass-clear highly-refracting solids which may be further hardened by heated media such as warm air.  Additions of plastifying agents such as glycerin or triphenyl phosphate render the masses as flexible as celluloid.  The liquid reaction products also combine with additional formaldehyde or other aldehydes such as salicylic aldehyde to form modified products which also combine with acid anhydrides to produce highly refracting solids.  The liquid reaction products and also the further products obtained from them as above described (before complete hardening) can be used as plasticizing agents for plastic masses of all kinds, including rubber, and also act as vulcanization accelerators.  Agents which rapidly harden ureaaldehyde condensation products, particularly ammonium thiocyanate, do not affect the liquid reaction products in the cold, but render the products soluble in water and alcohol; under heat and pressure however they cause gelatinization.  If formaldehyde and ammonium thiocyanate are employed together, solidification occurs on heating.ALSO:In the reaction of urea or the like on thioaldehydes as described in the parent Specification the proportion of aldehyde to urea is more than two molecules of aldehyde to one molecule of urea, one part of urea, four parts of formaldehyde and 2 parts of ammonium sulphide being suitable.  The products are stable liquids insoluble in water.  They react with acid anhydrides to form glass-clear highly-refracting solids which may be further hardened by heated media such as warm air.  Additions of plastifying agents such as glycerin or triphenyl phosphate render the masses as flexible as celluloid.  The liquid reaction products also combine with additional formaldehyde or other aldehydes such as salicylic aldehyde to form modified products which also combine with acid anhydrides to produce highly refracting solids.  The liquid reaction products and also the further products obtained from them as above described (before complete hardening) can be used as plasticizing agents, for plastic masses of all kinds, including rubber, and also act as vulcanization accelerators. Agents which rapidly harden urea-aldehyde condensation products, particularly ammonium thiocyanate, do not affect the liquid reaction products in the cold, but render the products soluble in water and alcohol; under heat and pressure, however, they cause gelatinization.  If formaldehyde and ammonium thiocyanate are employed together, solidification occurs on heating.
Patent GB-354620-A (GB)
Title: Improvements in or relating to sealing-in bodies for vacuum tubes
IPC: H01J5/32
Filed: 1930-10-20
Abstract: 354,620. Electric incandescent lamps &c. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. Oct. 20, 1930, No. 31402. Convention date, Nov. 2, 1929. [Class 39 (ii).] Leading-in wires.-A sealing-in device for a vacuum tube consists of a hollow metal tube 11 which is adapted to be surrounded by the glass envelope or stem 10 of the vacuum tube and has substantially the same coefficient of expansion as the glass, the tube, which is formed by metal applied chemically or electrochemically to a core being closed at one of its ends by a closing member 12 which is connected to a leading-in wire 13 and is constituted by that portion of the core which is left after a portion thereof has been removed. The closing member 12 may be either at the upper or lower end of the tube 11 and preferably should be so located that it is not surrounded by glass. The tube 11 may be made of tungsten with a closing member 12 of molybdenum obtained, for example, by heating a molybednum core to 2000‹ C. in an atmosphere containing tungsten hexachloride vapour, thereby applying a finely crystalline coating of tungsten, after which one end is covered by a glass bead and the whole immersed in a mixture of concentrated sulphuric and nitric acids, the duration of the action being such that the end covered by the bead retains part of the core. The wire 13.may be secured to the membr 12 by soldering with the aid of liquid silver poured into the tube. A clearance between the wire 13 and the inner wall of the tube 11 allows for expansion.
Patent GB-446581-A (GB)
Title: Improvements relating to lubricating installations
IPC: F16L21/00
Filed: 1934-11-01
Abstract: 446,581. Pipe joints. LUCAS, Ltd., J., Great King Street, Birmingham.-(Bijur Lubricating Corporation ; 22, 43rd Avenue, Long Island City, U.S.A.) Nov. 1, 1934, No. 31417. [Class 99 (i)] In securing a lubricating tube in a socket 17 without any screwed parts, a tapered sleeve having a bore slightly larger than the tube is driven into the socket to deform and grip the tube. The sleeve comprises a front wedge 25 which is deformed by the curved shoulder 16, a cylindrical portion 26, a slightly tapered part 24 and a head 28 for driving. The socket mouth is longitudinally fluted at 19 to prevent rotation of the sleeve during and after assembly. An additional wedging sleeve 33, Fig. 3 may be driven into the main sleeve 24. In a modification for a plain tapered socket the front end of the sleeve is cylindrical and the taper of the sleeve corresponds with that of the socket.
Patent GB-1464207-A (GB)
Title: Prostaglandins
IPC: C07C401/00
Filed: 1975-07-28
Abstract: 1464207 Esters of prostaglandins UPJOHN CO 28 July 1975 [14 Aug 1974] 31422/75 Heading C2C The invention comprises optically active esters of prostaglandins of the formula or racemates thereof, wherein m is R 1  is phenyl, p-bromophenyl, p-biphenylyl, pnitrophenyl, p-benzamidophenyl or 2-naphthyl; and R 2  is H or benzoyl, and their preparation by reacting the corresponding acids with compounds of the formula wherein Hal is Cl, Br or I, in the presence of tertiary amines and solvents. Pharmaceutical compositions, suitable for oral, sublingual, buccal, intravaginal, intrauterine, rectal or topical administration, contain the above esters and pharmaceutically acceptable carriers. The esters possess similar pharmacological properties to the corresponding acids.
Patent GB-817675-A (GB)
Title: Improvements in or relating to sheet feeding mechanisms
Inventor: BROIDO DANIEL
IPC: G06K13/07
Filed: 1955-11-03
Abstract: 817,675. Feeding sheets. INTERNATIONAL COMPUTERS & TABULATORS Ltd., [formerly BRITISH TABULATING MACHINE CO. Ltd.]. Nov. 3, 1955, No. 31454/55. Class 100(1) Sheets are fed one by one along a rigid supporting surface by one or more feeding members engaging the upper surfaces of the sheets, each member comprising at least two flexible elements in the form of closed loops, one or more of the elements being located around and attached at a number of points to the other or another of the elements; the outer element or elements engage and feed the sheets and the inner element is substantially inextensible and is driven. In one form, the member comprises an endless belt of woven cotton webbing to which is attached three side by side strips of rubber each in the form of an endless band or loop. The composite member thus formed passes over pulleys, one of which is driven. In the arrangement shown, the composite belt comprises a chain 16 having a light web 17 coated with a film of rubber attached to it. Blocks 18 are secured to the chain and are equally spaced therealong at a distance equal to that between the trailing edges of adjacent sheets to be fed along a support plate 7. The web 17 is secured to the blocks, 18 by screws 19. The rubber face of the web 17 engages the sheets and feeds them along the plate 7. The heads of the screws 19 may also act as pushers which engage the trailing ends of the sheets, the plate 7 being suitably slotted to receive the screws. The device may be applied to a document sorting machine as described in Specification 751,931, and the documents may be removed from a pile and forwarded by a conveyer 5 to the plate 7 by apparatus described in Specification 729,892. Specification 751,931 [Group XIX] also is referred to.
Patent GB-1082383-A (GB)
Title: Method for bleaching wood pulp
IPC: D21C9/10
Filed: 1964-08-27
Abstract: Wood pulp is bleached by forming an aqueous wood pulp slurry of 1 - 20% by weight consistency and adding thereto first sulphur dioxide or a bisulphite, e.g. sodium bisulphite, and then 0.1-2 pounds per ton of wood pulp of an alkali metal borohydride, e.g. sodium borohydride, together with sufficient alkaline compound, e.g. an alkali metal hydroxide or carbonate or lime, as may be necessary to adjust the pH to 4 - 8.2 the pH not exceeding 8.2 after addition of the borohydride, the amount of sulphur dioxide or bisulphite calculated as sulphur dioxide, used being 3-28 pounds per ton of wood pulp slurry, and maintaining the mixture at a suitable temperature, e.g. between room temperature and 150 DEG F, for a sufficient period of time. e.g. 1-2 hours, to obtain the desired bleaching effect.  The Examples refer to the bleaching of soda wood pulp, Kraft pulp and groundwood pulp.
Patent GB-485275-A (GB)
Title: Improvements in or relating to liquid flow registering, or registering and recording apparatus
IPC: G01F1/00
Filed: 1937-11-17
Abstract: 485,275. Recording-apparatus. LEA RECORDER CO., Ltd., and LEA, J. E. Nov. 17, 1937, No. 31560. [Class 106 (iv)] The clock c driving the disc b of an integrator for registering the volume of liquid passed over a weir &c. also oscillates a pen o to draw a wavy line on a clock-driven chart a when the integrator clock c is running and a straight line when the said clock c is stopped. An eccentric f fixed to the driving shaft e<3> of the integrator disc b rocks a lever g to rock a pivoted lever i resiliently carrying the pen o. The pen may record on the same record sheet as a rate of flow recording arm a<1>.
Patent GB-745838-A (GB)
Title: Improvements in or relating to circuit arrangements for varying the amplitude of sawtooth currents
IPC: H04N3/18
Filed: 1953-05-15
Abstract: 745,838. Rectifying. TELEFUNKEN GES., [formerly TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE]. May 15, 1953 [May 15, 1952], No. 13614/53. Class 38 (2). [Also in Group XL (c)] In an E.H.T. and saw-tooth current generator of the resonant return type in which the driver valve is coupled through a transformer to the deflection coils, a variable inductance is included in series with the anode circuit of the valve to vary the amplitude of the saw-tooth current and, if desired, the E.H.T. voltage. In the circuit shown, a driver valve 5 feeds the current through an auto transformer 3, 9 to deflection coils 4, a damping diode 2 and H.T. boosting capacitor 1 being provided. The amplitude adjusting inductor 6 is connected between the. anode of the driver valve and the transformer or in the H.T. supply line between the diode and the capacitor. The E.H.T. winding may be connected as shown or to the anode side of the variable inductor (Fig. 3, not shown). A condenser 12 is connected between the anode and a tap on the transformer winding 3 to form with the variable inductor a circuit resonant at a higher frequency than the transformer circuit. Choice of the tapping point determines whether the E.H.T. voltage increases, decreases, or remains the same as the inductor is varied.
Patent GB-505851-A (GB)
Title: Improvements in or relating to bumpers or collision guards for vehicles
IPC: B60R19/26
Filed: 1937-11-17
Abstract: 505,851. Vehicle bumpers. SABER, A, Nov. 17, 1937. No. 31669. [Class 103 (ii)] In vehicle front bumpers in which shock on the bumper is absorbed in two or more stages by shock-absorbing devices, the shock-absorbing device farthest remote from the bumper is arranged to coact with the ground when the bumper is subjected to severe shock. As shown, the bumper comprises an inflatable cushion 11 and a steel plate 12 to which are attached side guards 62. The plate 12 carries bolts 20, encircled by springs 22 and extending through a box-shaped structure 16, 18. Arranged on each side of the vehicle are slidable rods 36, encircled by springs 42, 46 and carrying L-shaped blocks 34 against which bear thrust rods 44 carried by the structure 16, 18. The rear ends of the rods 36 bear against the ends of levers 50, 51, loaded by springs 56, 59, and carrying rollers 60 which may be rubber covered. As shown, the springs 42, 46, 56, 59 come into operation simultaneously but the springs 42, 46 may be arranged to come into operation successively. A third shock-absorbing device may be provided between these springs on either side of the vehicle. Hydraulic shock-absorbers may he used.
Patent GB-322301-A (GB)
Title: Improvements in sparking plugs of internal combustion engines
IPC: H01T13/38
Filed: 1928-11-01
Abstract: 322,301. Brown, F. L. Nov. 1, 1928. Right to Patent relinquished. Sparking-plugs. - A steatite insulator is formed with a curved and tapered end 7 which meets the cylindrical portion 6 at a sharp edge 8 and is recessed at the tip 10.
Patent GB-618368-A (GB)
Title: Improvements in and relating to dishes and like containers
IPC: A47G19/26
Filed: 1946-10-28
Abstract: 618,368. Dishes. GOODMAN, B. Oct. 28, 1946, No. 31926. [Class 128] [Also in Group XVII] A compound dish comprises a dish proper 1 having a stepped upper edge 2 formed with notches 3, a tray-like dish 5 provided with partitions 8 and adapted to be supported in the part 1 by projections 7 located in the notches 3, and a cover 9 having a stepped edge to cooperate with the edge 2 and a recessed handle 12 so that it can be reversed and serve as a separate dish.
Patent GB-537082-A (GB)
Title: Process for the reconditioning of used lubricating oils
IPC: C10M175/00
Filed: 1939-12-11
Abstract: 537,082. Purifying used lubricating oils. CELEC CORPORATION, Ltd., PHILLIPS, S. M., and BAKER, A. Dec. 11, 1939, No. 31932. [Class 91] Used lubricating oil is reconditioned by adding a colloid dispersion or jelly obtained by boiling or soaking plants, especially those having fleshy leaves such as sisal, p'hormium tenax or aloe in alkaline solutions and then adding acid to the mixture of oil and colloid, which causes flocculation of the colloid ; on filtration the oil is left clear and free from water. Alternatively waste liquor from the boiling of esparto grass may be used as the colloid. Instead of using acid to effect the flocculation a copper or nickel salt solution may be employed, which increases the viscosity of the oil as well as effecting purification.
Patent GB-282645-A (GB)
Title: Improvements in hand grenades
IPC: F42C14/02
Filed: 1927-11-29
Abstract: 282,645. Bourny, S. J. Dec. 23, 1926. [Convention date]. Projectile fuzes.-A time fuze for a gremade comprises a tube 17 containing fuze composition 19 and having at each end a washer 20, 27 with a central filling of priming to transmit the flash, the tube being formed at one end with slots to receive a firing pin 14 consisting of a pointed plate having two legs, and grooves 23, 24 being formed at the other end of the tube 17, so that a casing 29 containing a detonator 28 may be secured thereto. After assembling the specified parts together, the washer 27 being located between the detonator charge and a ferrule 22 on the end of the tube 17, the tube is inserted into the outer casing 4 of the fuze and secured thereto by pressing a neck 3 on the casing into an annular groove 18 in the tube. The legs of the member 14 enter two grooves 15 in the fuze casing. The invention is shown applied to a grenade in which the firing mechanism comprises a spring-pressed hammer 6 carrying a percussion cap 5 and normally held back by a finger 8 projecting from an external hand-lever 9.
Patent GB-1090607-A (GB)
Title: Motor control circuit for d.c. shunt motor using controlled rectifiers
IPC: H02P7/295
Filed: 1966-07-18
Abstract: 1,090,607. Control of D.C. motors. SINGER CO. July 18, 1966 [July 22, 1965], No. 32087/66. Heading H2J. [Also in Division G3] A control system for a shunt or permanent magnet motor 15 comprises two bridge rectifiers having common diodes 13 and being connected across A.C. source 10. One of the bridges contains controlled rectifiers 14 and its output is applied to the motor through resistor 16. The other bridge contains diodes 13, 20, and has its terminals 23, 17 connected to voltage divider 22 in series with the armature so that the back E.M.F. opposes the output of the bridge. Slider 26 connects through balancing resistor 28 to the gates of the rectifiers 14, to afford full-wave output for the motor with automatic speed regulation. Resistor 16 provides positive feedback to the firing circuits of the controlled rectifier, to compensate for armature resistancedrop.
Patent GB-642257-A (GB)
Title: Improvements in and relating to combustion chambers
IPC: F23R3/42
Filed: 1947-12-04
Abstract: 642,257. Hot-gas engines. SHELL REFINING & MARKETING CO., Ltd.. RIGBY, R., BOWEN, I. G., and TIPLER, W. Dec. 4, 1947. No. 32089. [Class 7(i)] [Also in Group XII] The flame tube of a combustion chamber for a hot gas reciprocating engine is constructed of metal from a series of similar overlapping sections 2 spaced apart from each other so as to provide a series of fine air passages through which air can flow from the outer space the air passages overlapping one another over the major portion of their lengths measured in the direction of the airflow therethrough and being so dimensioned that the flow of air through the passages is laminar. Combustion air enters the duct 12 after being pre-heated by the exhaust gases. The burner 9 is surrounded by swirl vanes 4 through which the primary air enters the flame tube. The combustion products and diluent air pass into the heating element 22 to transfer heat to the working cylinder 14 of the engine. Dimensions for the sections 2 are given in the Specification.
Patent GB-355106-A (GB)
Title: Improvements in or relating to knife guides
IPC: B26B3/03
Filed: 1930-10-25
Abstract: 355,106. Table knives. NOBLE, P., 446, Victoria Street, Grimsby. Oct. 25, 1930, No. 32099. [Class 30.] A guide-plate 11 is riveted at each end to a distance-piece which is slotted at 17 for the reception of the blade. The depth of cut is determined by the distance of the plate from the knife. In a modified form the plate is attached by a thumb-screw by which the depth of cut may be regulated. The device is specially applicable to bread knives.
Patent GB-604613-A (GB)
Title: Improvements in or relating to magnetic-electric systems
IPC: H02K1/27
Filed: 1945-11-28
Abstract: 604,613. Permanent magnet machines. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Nov. 28, 1945, No. 32153. Convention date, Aug. 10, 1940. [Class 35] A magneto-electric system, e.g. for a bicycle dynamo or hand dynamo comprises a stator and a rotor 1 of which one is wholly or partly of permanent magnet alloy having a steep demagnetisation curve and a coercive force of at least 250 Oerstedt and is provided with a magnetic shunt on the other such that during operation the working point on the demagnetisation curve varies only to an immaterial extent ; this working point is preferably near the BHmax. Specifications 444,642 and 522,731, [Group II], are referred to.
Patent GB-915194-A (GB)
Title: Improvements in or relating to resolvers for producing electrical signals representative of the components in co-ordinate directions of a mechanical movement
Inventor: KNOWLES PHILIP NEVILLE GEORGE
IPC: G01S7/295
Filed: 1960-09-19
Abstract: 915,194. Position - indicating apparatus. DECCA Ltd. Sept. 14, 1961 [Sept. 19, 1960], No. 32153/60. Addition to 848,506. Drawings to Specification. Class 40 (1). A resolver for producing signals representing the components in two co-ordinate directions of the rotation of a ball about its centre comprises at least two wheels which bear against different points of the ball's surface, the wheels driving digital transducers or generators to provide the said signals. Details of the mounting of the ball are given in the parent Specification. The digital transducers may be coded discs in which the code is detected photoelectrically, by electrical contact, or by inductive means. Alternatively, the discs may be non- coded, their rotation producing a number of pulses which are counted. In this case, the counter must be able to count in both directions according to the direction of rotation of the associated wheel. If a tachometer generator is driven by each wheel, the generator output is integrated if D.C., or fed via a pulse-shaping circuit to a reversible counter if A.C.