baber/WOPTO huggingface dataset:
Patent GB-226672-A (GB)
Title: Improvements in or relating to springs for vehicles
IPC: F16F1/18
Filed: 1923-12-20
Abstract: 226,672. Brand, D. C. Dec. 20, 1923. Laminar springs.-In laminar springs comprising a number of superposed rows of rods spaced apart and divided into groups or leaves, each group being formed of a number of rows, the rods being provided with end pieces, and the rods of one group passing through the end pieces, or extensions thereof, of another group, the leaves or groups are formed of a number of rows of rods provided with means whereby the various groups are easily assembled and taken apart. In Fig. 4, each row of rods is secured to a central block, and these blocks are superposed and secured together and to the axle of the vehicle. The ends of the upper and lower groups of rods are secured to end pieces, the end pieces p, p<1> of the lower groups being provided with perforated pivoted extensions n, n<1> through which the rods of the upper group are adapted to slide. In Fig. 5, one group of rods is divided into two sections q, q<1>, which are disposed one on each side of the other group, the rods of which are arranged to slide through extensions pivoted to the end pieces v, v<1> of the first group.
Patent GB-1193273-A (GB)
Title: Improvements in Coin-Freed Mechanisms
IPC: G07F5/02
Filed: 1967-07-12
Abstract: 1,193,273. Coin-freed apparatus. NOUVELLE SOC. DISTRIMATIC. 12 July, 1967 [13 July, 1966], No. 32088/67. Heading G4V. A coin-freed mechanism comprises a coin magazine 13 movable in a frame by a plunger 8 operating an article-separating pusher, the magazine including a plurality of side-by-side coin compartments each adapted to receive one or more coins and a pivoted catch 16 associated with each compartment to engage a stop 18 and lock the magazine in position in the absence of the requisite coins in the compartments. Aligned apertures 23 in the compartments receive rods 20 adjustable in position according to the number and/or denomination of the coins required to free the mechanism. The rods are held by clips 25 on the frame when the magazine is moved whereby they are withdrawn from the compartments to release the coins to a coin box 26. The catches are movable individually to an inoperative position when not required. The plunger may be operated by a pivoted lever carrying a cam, Fig. 3 (not shown).
Patent GB-447269-A (GB)
Title: Improvements in or relating to refrigerators
IPC: F25D17/04
Filed: 1934-11-09
Abstract: 447,269. Refrigerators. JOHN, R., Hotel Roosevelt, Madison Avenue, 45th Street, New York, U.S.A. Nov. 9, 1934, No. 32294. Convention date, Nov. 20, 1933. [Class 29] A refrigerator comprises a pair of food compartments A and B separated by a horizontal partition 14<1> which prevents air passage between the compartments, ice freezing compartments 12 being disposed in the cabinet and a single evaporator 11 being exposed to the atmosphere of each compartment to cool the same. An opening 19 in the partition allows the air of the lower compartment to come into contact with the evaporator 11 but a gasket 21 prevents air circulation between the compartments through this aperture. Adjustable louvres 25 regulate the circulation of air in contact with the evaporator surface and thus regulate the cooling of the lower compartment. Moisture condensing on the evaporator 11 drains into a channel formed by a flange 22 and then passes by pipe 23 to a tank 24. The partition 14<1> is made of good heat-conducting material. Reference has been directed by the Comptroller to U.S.A. Specification 1,830,034.
Patent GB-738310-A (GB)
Title: Improvements in or relating to control systems for electric motors
IPC: H02P3/22
Filed: 1952-12-22
Abstract: 738,310. Automatic speed control systems. GENERAL ELECTRIC CO., Ltd., FRIEDLANDER, E. S., and PARTON, K. C. Dec. 15, 1953 [Dec. 22, 1952], No. 32435/52. Class 38 (4). [Also in Group XXXVII] The invention relates to a modification of the control system for a reversible A.C. winder motor as described in Specification 717,253, and provides (i) automatic speed control by variation of the rotor resistance ; (ii) dynamic braking when the actual speed is above the desired speed, motor or braking being selected by a polarized relay in the error signal circuit; (iii) torque limiting by saturation of a magnetic amplifier due to large error signals. General.-As shown, a wound rotor induction motor 10 has its rotor connected to a servoadjusted liquid resistor 13 and its stator energized through forward or reverse contactors 53, 55 during motoring (as selected by the control lever 40) or from a controlled D.C. supply through a dynamic braking contactor 69. The D.C. supply is obtained from a threephase saturable reactor 122. The valve 26, which controls the hydraulically operated rotor resistance contact 14, is differentially actuated by coils 23, 32. The coil 23 is energized from a control-generator 20 coupled to the winder motor and having its rotor energized with controlled A.C. or D.C. during motoring or braking respectively. The controlled supply is obtained from a three-phase saturable reactor 91. The coil 32 is energized by a speed-responsive signal from a saturable reactor 104 during motoring ; the reactor 104 is not speed-controlled during braking. In addition the coil 32 is shunted by electrodes 16 to compensate for variations in the electrolyte of the rotor resistance. Automatic speed control.-A predetermined reference voltage from resistor 47 (selected by operation of the control lever 40) is applied through a polarized motor/brake selector relay 72 and in series opposition to the signal from the tachometer generator 34 to a magnetic amplifier 74 which has a further winding connected between the tachometer generator and a flywheel motor 63 driven from it to provide a signal during acceleration which acts to stabilize the system ; further the magnetic amplifier 74 is arranged to saturate on all but small error signals in order to limit the torque of the motor. The output of this magnetic amplifier controls the saturable reactors 104, 91, 122.
Patent GB-607617-A (GB)
Title: Improvements in or relating to mercury switches
IPC: H01H29/28
Filed: 1945-11-30
Abstract: 607,617. Mercury switches. RADIO APPARAT CO. AKTIESELSKABET, H. EBBESEN & I. C. JENSEN, and GRUE, O. E. Nov. 30, 1945, No. 32460. [A Specification was laid open to inspection under Sect. 91 of the Acts, Nov. 30, 1945.] [Class 38 (v)] In order to increase the time between successive operations of a gas-filled mercury switch tube, a throttle is provided foi damping the movements of the mercury or the gas. The heater 16 causes the mercury to move into the right-hand branch 12 of the tube and the heater circuit is broken at 20, so that the mercury gradually returns to the position shown to re-energize the heater. The throttle may be a gas filter 26 consisting of a porous glass plate, or a capillary tube sealed in the contact tube 10. Alternatively, the tube may be reduced in the path of the mercury, preferably just below the contact 20.
Patent GB-813306-A (GB)
Title: Therapeutic agent
IPC: A61K31/44
Filed: 1957-10-17
Abstract: A pharmaceutical preparation contains 6-amino-nicotinamide or a salt thereof. e.g. hydrochloride, sulphate, hydrobromide, citrate, or tartrate, dispersed or dissolved in a sterile solid or liquid.  The preparation may contain 1/2 to 10 per cent by weight 6-amino-nicotinamide or salts thereof the sterile liquid carrier, or 10 to 1000 per cent by weight 6-amino-nicotinamide or salts thereof of the sterile solid carrier respectively.  The preparation may take the form of solutions, suspensions, syrups, elixirs, emulsions, powders which may be enclosed in suitable capsules, e.g. gelatin capsules, or tablets, and may contain suitable excipients or diluents, e.g. starch, lactose, talc, stearic acid, magnesium stearate, cocoa butter, methylcellulose, carbowax, carboxymethylcellulose, tragacanth, pectin and dextrin.  The sterile liquid carrier may be aqueous or organic, e.g. propylene glycol or hexenyl glycol.  Other therapeutically active agents such as antimetabolytes, e.g. 6-mercaptopurine, 8 - azaguanine, deoxypyridoxine, testosterone, aminopterin, thimerosal or mixtures thereof may be present in the ratio of 1 : 10 to 1 : 1000 of 6-amino-nicotinamide to active agent.
Patent GB-642388-A (GB)
Title: Improvements in or relating to scaffolding
Inventor: HAWES ALBERT HENRY
IPC: E04G1/14
Filed: 1946-09-18
Abstract: 642,388. Scaffolding. KWIKFORM, Ltd. Sept. 18, 1946, No. 32530/47. Divided out of 642,367. [Class 20(ii)] A scaffold frame unit 20 comprises two vertical tubular members 21, 22 rigidly and permanently connected together by a horizontal member 23 which is adapted to engage and support a staging or platform extending transversely of the frame unit and a pair of clamping devices 25, secured permanently to the frame unit, which are adapted for clamping engagement with tubular ledgers to secure the unit to a second similar frame unit or other structure, said clamping devices being characterised by having an overall width in a direction transverse to the unit such that they do not project transversely beyond its vertical members. The spaced scaffold frame units 20, in addition to being joined by the ledgers, may also be joined by frames 55 similar to the frame units 20 except for the omission of the clamping devices 25, their vertical tubular members 56 being secured to the vertical members 21, 22 of the frame units 20 by clamps 59 as described in Specification 581,429, this arrangement being possible because of the above-mentioned narrowness of the clamping devices 25. The vertical members 21, 22 and 56 may at their upper ends be reduced in diameter to provide spigots 41 to engage in the lower ends 42 of the vertical tubular members of other frame units so that scaffold frame units may be assembled vertically one above the other. The clamps 59 are used to secure the spigots 41 to the tubular lower ends 42 of corresponding frame members as in Fig. 7. By clamping together one each of the vertical members of two frames and spacing the other two, scaffolding can be erected for circular towers. The horizontal member 25 is of smaller diameter than the vertical members of the frame and therefore, if the putlogs are the same in diameter as the vertical members, to ensure proper clamping of the ledgers a distance piece is welded underneath the horizontal member 23 and the ledgers are then at such a level that, when putlogs are laid across them, a level support for the staging is provided. Specifications 586,366, 642,366, 642,367, 642,386 and 642,387 also are referred to.
Patent GB-1424400-A (GB)
Title: Electrical shutter control circuit for a photographic camera
IPC: G03B9/58
Filed: 1973-07-09
Abstract: 1424400 Shutter control circuit ASAHI KOGAKU KOGYO KK 9 July 1973 [10 July 1972] 32619/73 Heading G2A A shutter control circuit comprises a first section 1-11 for generating voltages proportional to the APEX exponents of respective photographic parameters, a second section 12-16 for calculating the APEX exponent of exposure time from the parameters, a third section 17, 22, 23 for logarithmically expanding the output of the second section, and a fourth section 21, 26-30 for integrating the output of the third section and controlling exposure time accordingly; each section including at least one identical operational amplifier (9, 10, 11, 16, 17,28). Preferably the effects of temperature and source voltage variation are reduced by including negative feedback loops in the first three sections. As shown, the circuit includes a photodiode or photo-conductor 2, film speed setting resistor 7, aperture setting resistor 8, memory capacitor 19, log expansion F.E.T. 22, integrating capacitor 21 and shutter electromagnet 30.
Patent GB-1146356-A (GB)
Title: Improvements in magnetic scanning circuits for electron beam tubes
IPC: H03K4/90
Filed: 1966-07-20
Abstract: 1,146,356. Transistor sawtooth circuits. COMPAGNIE FRANCAISE THOMSON HOUSTON - HOTCHKISS BRANDT. 20 July, 1966 [20 July, 1965], No. 32663/66. Heading H3T. In a magnetic deflection circuit for a cathoderay tube, of the type in which errors due to the resistance R of the deflection coils 4 are corrected by feeding an additional sawtooth waveform to the coils, the main deflection and additional deflection waveforms are coupled to the coils via a common autotransformer. As shown, sawtooth current in deflection coils 4 is initiated by pulses fed to the base of transistor T1, the resulting negative pulses at the collector being coupled by the autotransformer aTr. Pulses induced in an auxiliary winding n3 are integrated at 3 to provide a sawtooth waveform which is amplified by the feedback amplifier comprising transistors T2, T3 and fed via the autotransformer aTr to correct the error due to resistance R. The scan amplitude is adjustable by the biascontrolling potentiometer P1. In Fig. 2 (not shown) the tappings connecting transistors T1 and coils 4 are interchanged, the auxiliary sawtooth voltage being provided by integrating the pulses at the collector of T1.
Patent GB-457907-A (GB)
Title: Improvements relating to electrically driven locomotives and trains
IPC: B60T13/74
Filed: 1935-11-25
Abstract: 457,907. Fluid-pressure and electric regenerative brakes. WHYMAN, F., Arncott, Greenway Road, Timperley, Cheshire, and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd., 1, Kingsway, London. Nov. 25, 1935, No. 32677. [Class 103 (i)] [See also Group XXXVII] Relates to electric traction systems in which the locomotive driving motors are adapted for regenerative braking and in which there is a compressed air brake for the locomotive and vacuum brakes for the train, controlled by drivers valves on the locomotive. In these systems a cut-out relay B is energized to prevent application of the locomotive brake when the master controller is moved from its off position for regenerative braking and a " vacuum trip " V is also provided which opens contacts when the vacuum in the vacuum train-pipe is reduced to a predetermined extent to apply the brakes thereby deenergizing the cut-out B to permit application of the locomotive brake and also opening the circuit of a line switch relay LS thus breaking the motor circuit and preventing regenerative braking. According to the invention, in order to permit regenerative and vacuum braking at the same time, contacts A provided on the vacuum brake valve close the circuit of a relay R when the valve is moved to the on position and thus short circuit the vacuum trip V through contacts T of the relay, thus rendering the vacuum trip ineffective, a holding coil H energized by the closing of contacts T also being provided to prevent the relay R from being de-energized when the vacuum brake valve is returned to the off or release position until the vacuum trip reassumes its normal position upon restoration of the vacuum in the train-pipe. When this is the case, the coil H is short circuited by the vacuum trip and the relay R is reset. The vacuum trip is short circuited during motoring by contacts M provided for instance on the motor controller.
Patent GB-209260-A (GB)
Title: A combined box and show card
IPC: B65D5/52
Filed: 1922-11-30
Abstract: 209,260. Watts, A. E., and Johns, Son, & Watts, Ltd. Nov. 30, 1922. Boxes made from special blanks and coi),tbined with means for displaying advertisements; lids.- A box having a lid which is creased on a line parallel with the front of the box or which, as shown, is creased on such a line extending inwards from each side with a cut between the creases is made in two parts, one part forming the side walls 5, 6 and a connecting member 7 which lies parallel to the back of the box when erected and the other part forming the front wall 4, bottom 3, back wall 2, lid 1 and locking flap 11; the front wall 4 is secured to small parts projecting from the side walls. In erecting the box the lid is passed between the part 1 and flanges 8 projecting inwards from the side walls until the back wall is in position and is closed by inserting the locking flaps 11 between the front wall 4 and the flanges 8 at the top of the side walls. When the lid is used as a show card it is folded forwards on the creases 9 and the flap 11 engaged between the back wall 2 and the flange S. or in cuts in these flanges. The lid may be folded backwards and the flap 11 inserted between the parts 2, 7.
Patent GB-995890-A (GB)
Title: Bottle made of plastics material
IPC: B65D1/02
Filed: 1962-08-27
Abstract: 995,890. Non-drip pouring devices. PROPLASTO A.G. Aug. 27, 1962 [Aug. 29, 1961], No. 32755/62. Headings B8D and B8T. A pouring lip a<SP>3</SP>, the thickness of which gradually decreases towards its outer edge, is formed as a continuation of a narrowed extension a<SP>2</SP> of the neck a<SP>1</SP> of a plastics bottle a. The neck is screw-threaded to receive a cap b which has a downwardly depending annular flange b<SP>1</SP>, which fits inside the narrowed extension so that a fluid-tight seal is formed.
Patent GB-372277-A (GB)
Title: Improvements in door jambs for furnaces
IPC: F23M7/00
Filed: 1930-10-31
Abstract: 372,277. Furnace door frames. NYE ODORLESS INCINERATOR CORPORATION, Albany, Georgia, U.S.A.-(Assignees of McEver, W. L.) Oct. 31, 1930, No. 32770. Convention date, Jan. 17. Void [Published under Sect. 91 of the Acts]. [Class 51 (i).] The metal side jambs 12 lining the opening in the brick wall 10 of the furnace inside the door 11 are made concave to prevent warping away from the masonry. A top jamb 13 and a sill 14 have longitudinal grooves 15, 18 to receive the edges of the side jambs. The curvature of each side jamb is greatest at its rear end 20 and decreases gradually towards the front edge which may be vertical. The furnace may have a metal sheathing 22, and the door 11 may be provided with an observation or stoking-tool door 24.
Patent GB-1038019-A (GB)
Title: Improvements in seals for rotary shafts
Inventor: FAGEL ROGER
IPC: F16J15/324
Filed: 1964-08-12
Abstract: 1,038,019. Shaft seals. ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI (A.C.E.C.). Aug. 12, 1964 [Sept. 19, 1963], No. 32926/64. Heading F2B. A rotary shaft seal comprises a sealing ring 2 of elastomeric material having a lip pressed by a garter spring 3 against a copper collar 1 coated with chromium.
Patent GB-980943-A (GB)
Title: Means for improving the neutron flux distribution in the axial direction of a nuclear reactor
IPC: G21C7/00
Filed: 1963-08-20
Abstract: 980,943. Fuel elements. EUROPEAN ATOMIC ENERGY COMMUNITY (EURATOM). Aug. 20, 1963 [Aug. 31,1962], No. 32969/63. Heading G6C. In a nuclear reactor comprising parallel channels containing fuel elements, the fuel crosssection in some but not all of the channels is varied along the length of the fuel element to obtain a more even lengthwise distribution of neutron flux. In one arrangement, Fig. 1, the fuel element is similar to that used in the Belgian BR2 reactor except that the fuel plates 4 do not extend for the full length of the frame 1; a gap 5 of several centimetres length in the centre of frame 1 is not occupied by fuel plates. In another arrangement, Fig. 2 (not shown), the frame is rectangular with cambered fuel plates extending from one side of the frame to the opposite side; again the centre portion of the length of the frame is not occupied by fuel plates. This construction is similar to that used in the U.S. MTR reactor.
Patent GB-915304-A (GB)
Title: Pyrrolo[2,3-d]pyrimidine derivatives
IPC: C07D487/04
Filed: 1959-03-09
Abstract: The invention comprises pyrrolo[2,3-d] pyrimidine derivatives of the general formula <FORM:0915304/IV (b)/1> wherein R1 represents a hydrogen atom or a methyl group and R2 a hydrogen atom or a C1-C4 alkyl group, but R1 and R2 do not both represent hydrogen atoms.  The compounds in which R1 is hydrogen are prepared by treating the corresponding 4-hydroxypyrrolo[2,3-d] pyrimidines with excess of phosphoryl chloride, and those in which R1 is methyl by methylating the foregoing by means of a methyl halide in the presence of a base. 4-Hydroxy-2-methylpyrrolo[2,3-d]pyrimidine is prepared by refluxing ethyl (2,2-diethoxyethyl)-cyanoacetate with acetamidine in ethanol to form 4-amino-5-(2,2-diethoxyethyl)-6-hydroxy-2-methylpyrimidine, and refluxing this with sulphuric acid in ethanol.
Patent GB-1397467-A (GB)
Title: Optical wave-guides
IPC: H04B10/29
Filed: 1972-07-14
Abstract: 1397467 Light guides SIEMENS AG 14 July 1972 [21 Sept 1971] 32977/72  Heading G2J An optical waveguide 2 is supported e.g. by adhesive 3 on a carrier member 1, adjacent a platelike optical waveguide 4 carrying a coupling element 5 which is a Kino-form having a surface relief structure of saw-tooth shape effective to concentrate light into waveguide 1. The coupling film preferably behaves as a diffraction grating, and may be produced photographically, so as to be mode-selective. The Kino-form may also have varying refractive index.
Patent GB-329333-A (GB)
Title: Improvements in or relating to paints
IPC: C09D191/00
Filed: 1928-11-12
Abstract: 329,333. Wade, H., (Titanium Pigment Co., Inc.). Nov. 12, 1928. Paints.-An oil paint comprises a pigment composed of titanium compounds, in particular titanium oxide, a vehicle consisting principally of a drying oil and a small proportion of cellulose nitrate. According to an example, a paste made of titanium oxide and raw linseed oil is gradually mixed with a solution of cellulose nitrate in butyl acetate or other suitable solvent such as amyl acetate : linseed oil containing any usual dryer is then added. The titanium oxide may be carried on an extender base such as barium sulphate. The paint can be prepared as required by the addition of the oil vehicle to a paste composed of titanium oxide pigment, a drying oil and a solution of cellulose nitrate. Specifications 263,184 and 266,363 are referred to.
Patent GB-538363-A (GB)
Title: Improvements in speed reduction gearing
IPC: F16H1/46
Filed: 1939-12-29
Abstract: 538,363. Epicyclic gearing. BOWEN, L. G. Dec. 29, 1939, No. 33041. [Class 80 (i)] Co-axial with a stationary annular member 10 is a driving shaft 13 to which are pinned two wheels, 14, 16 between which is a collar 17 having a race for balls 19 which, together with balls 27 in a race 28 in the member 10, support a central plate 20. The wheel 14 meshes with wheels 31 carried by shafts 30 on the plate 20 and these in turn mesh with a gear ring 29 fixed to the member 10. The plate 20 also has a pair of shafts 32 which carry wheels 33 meshing with the wheel 16 and with a gear ring 34 rotatably mounted in the member 10 and to which is secured by screws 41 a side plate 39 integral with a driven shaft 42. A second side plate 43 is secured by screws 45 to the member 10 which, with the side plates, form a chamber which may be packed with grease. According to the numbers of teeth employed in the wheels the shaft 42 may be driven, at reduced speed, in a direction the same as or opposite to that of the shaft 13.
Patent GB-169116-A (GB)
Title: Improvements in envelopes
IPC: B65D27/32
Filed: 1920-11-24
Abstract: 169,116. Hargreaves, R. Nov. 24, 1920. Envelopes.-An envelope blank is formed with projections 13, 14, 15 on the body 10, side flaps 11, and centre flap 12 respectively, so that, when the blank is folded on the dotted lines, these parts coincide and project from the body of the envelope and may be secured by a staple. Flaps 17 on the body position 10 are provided to hold the contents in place. To open, the overlapping portions are torn away.