baber/WOPTO huggingface dataset:
Patent GB-1106811-A (GB)
Title: Filter network
Inventor: HEWLETT ARTHUR JAMES
IPC: H03H21/00
Filed: 1965-03-22
Abstract: 1,106,811. Automatic control. McDONNELL AIRCRAFT CORPORATION. March 22, 1965, No.12103/65. Heading G3R. In a network for removing an undesired component, e. g. from an error signal in an aircraft automatic guidance system, an input signal is sampled at intervals and the digital signals so produced stored and repeatedly up-dated for comparison with signals of similar form derived from a digital computer to correspond to an estimate of the desired component of the input signal. Differences between the two sets of signals should have characteristics corresponding to the undesired component and any inaccuracy in this respect is applied to repeatedly up-date the computer produced signals so that they are continuously improved and can be utilized as the output of the network for control purposes. In the arrangement described, computer selection from a family of damped oscillatory signals improves until the comparison signals are undamped and thus correspond to undesired airframe vibration components. Besides discrimination in dependence on damping discrimination may also depend on amplitude phase or frequency and the computer may deal with these characteristics in succession.
Patent GB-956589-A (GB)
Title: Improvements in or relating to earth-moving bowl type scrapers
IPC: E02F3/64
Filed: 1961-04-05
Abstract: 956,589. Bowl-type scrapers. M. OLSEN. April 5, 1961, No. 12105/61. Heading E1F. In an earth-moving bowl type scraper downward movement of the leading part of a scraper bowlcarrying frame 6 between a . draft yoke 1 to which the frame is pivotally coupled at 5 is limited by stop means. The stop means are preferably chains 26, the effective lengths of which can be adjusted.
Patent GB-936061-A (GB)
Title: Stereospecific catalysts for the polymerisation of butadiene and isoprene
IPC: C08F36/04
Filed: 1962-03-29
Abstract: A catalyst for the homo- and co-polymerization of butadiene and isoprene comprises the reaction product of a soluble cobalt compound or complex and a complex of the type Y+2AIRCl2 in which Y is an electron-donor complexing agent or an "onium" halide and R is an alkyl or aryl group.  The Y compounds mentioned are ethers, ketones, esters, alkylamides, amines, phosphines, thioethers and Lewis bases in general and ammonium, phosphonium, sulphonium and oxonium halides, e.g. diethyl ether, tetrahydrofuran, cyclohexanone, ethylacetate, dimethylformamide, pyridine, triethylamine, triphenyl phosphine, thiophene, diphenyl and diethyl sulphide, N(CH3)4Cl, P(CH3)4Cl, N(C4H9)4Cl and S(CH3)3Cl. When the preferred aluminium compound, monoethyl aluminium dichloride, is used, the mols. of complexing agent added per mole of Al(C2H5)Cl2 should be between 0 and 1, the extremes being excluded.  The Al(C2H5)Cl2 is obtained by reacting Al(C2H5)3 with AlCl3 using an Al(C2H5)3/AlCl3 molar ratio of 0,5.  In the examples the cobalt compounds used are cobalt diacetyl acetonate, COCl2 pyridine, cobalt triacetyl acetonate and cobalt-2-ethylhexanoate.  The cis-1,4 content of the polybutadienes obtained was always greater than 95%.  The polymerization solvent is toluene.
Patent GB-1065280-A (GB)
Title: Device for sensing changes in density of a gas
Inventor: COSTICK JAMES ALAN
IPC: G01F15/04
Filed: 1965-03-22
Abstract: 1, 065, 280. Densitometers; measuring fluid flow. POWER JETS (RESEARCH & DEVELOPMENT) Ltd. March 22, 1966, No.12122/65. Headings G1R and G1S. In apparatus for measuring the mass flow rate of gas a device for sensing changes in gas density comprises a casing 2 mounted in a gas duct 1, a chamber 3 filled with a gas of known properties and closed by a flexible diaphragm 5 and a further chamber 4 communicating with the duct 1 through an aperture 6 and the arrangement is such that the variation in gas density in chamber 4 relative to the gas in chamber 3 will cause movement of the diaphragm 5 to alter the setting of a servomotor 8 which operates a device recording the gas density change. In the arrangement shown the servomotor 8 alters the position of a contoured plug 10 in the throat 14 of a Venturi tube and any pressure drop recorded on a device 19 given a true indication of the mass flow of gas passing through the Venturi. An embodiment is described in which the fuel and air supply to a burner is adjusted according to the steam demand.
Patent GB-1101117-A (GB)
Title: Steroidal 2ª-carbonylhydrazones
IPC: C07J71/00
Filed: 1965-01-29
Abstract: Novel steroids of the formula <FORM:1101117/C2/1> wherein R is hydrogen, methyl, fluorine or chlorine; R1 is hydrogen, a -methyl or b -methyl <FORM:1101117/C2/2> <FORM:1101117/C2/3> <FORM:1101117/C2/4> in which R2 is hydrogen, hydroxy or acylox in which the acyl radical is derived from an aliphatic acid having from 2-10 carbon atoms, and R5 is hydrogen or acyl; R3 is hydrogen, oxo (=o) or b -hydroxy; X is hydrogen or fluorine; R8 is hydrogen, alkyl, aryl or aralkyl and the bonds between the 4,5- and 6,7-carbon atoms are both single or both double, or the 4,5-bond is double and the 6,7-bond is single, are obtained by reacting a steroid of the formula <FORM:1101117/C2/5> wherein R, R1, R3 and X are as defined above and <FORM:1101117/C2/6> is <FORM:1101117/C2/7> A1 is halogen, alkyl or amino and the bond between the 5,6-carbon atoms is single or double, with a compound of the formula R8-NH-NH2 and regenerating the 3-keto group by hydrolysis.
Patent GB-474426-A (GB)
Title: Improvements in or relating to films and their manufacture
IPC: C08L23/02
Filed: 1936-04-29
Abstract: Solid ethylene polymer (which may contain a small amount of oxygen) is shaped at a temperature above its softening temperature, i.e. above about 110 DEG  C., solidified by cooling and rolled or cut into one or more thin strips or sheets.  The polymer, which may be prepared according to the process described in Specification 471,590, may be shaped by extrusion, or by passing it through a pair of rollers, of which one is kept at a temperature above the softening temperature and the other is kept cold.  According to another method, the polymer is applied as a powder or as a solution to the surface of a solid or a heavy liquid, e.g. mercury, and is heated to a temperature above the softening temperature, where necessary after evaporation of the solvent, so as to produce a continuous film.  The polymer employed preferably has a molecular weight of 4000 or 6000 or more.  The strength of the films may be increased by subjecting them to cold rolling, e.g. so as to reduce the thickness of the material to about one-fifth.  According to the Provisional Specification, the properties of the films may be modified by incorporating polystyrenes.
Patent GB-1502841-A (GB)
Title: Elevator control system
IPC: B66B3/00
Filed: 1975-03-24
Abstract: 1502841 Elevator control system HITACHI Ltd 24 March 1975 [25 March 1974] 12206/75 Heading G3N An elevator control system has cars serving a multiplicity of floors, a hall call register at each floor, a call register in each car and a detector for estimating the number of passengers in each car. The number of passengers for every destination floor is forecasted by allotting the estimated number of car passengers to the car calls and the number of passengers at each floor is forecasted by subtracting the number of passengers for each preceding floor from the total. The number of passengers waiting at each floor is detected by mat switches, ultrasonic transmitters/detectors or TV cameras, though some floors may simply have an estimated number of passengers fed into the system, this number being variable in dependence on the traffic pattern. These forecasts are used to control the allocation of hall calls to the various lifts Fig. 2 (not shown). Each car has a provisional service zone extending from its present position to that of an immediately leading car. If a car cannot serve a particular floor e.g. because it would be fully loaded, then this floor is deleted from the provisional zone to give a service zone. A secondary provisional service zone for each car is the provisional zone for the preceding car and this is used to handle hall calls that the preceding car is unable to handle. These zones are continuously adjusted in dependence on the numbers of passengers calculated. Specification 1502842 is referred to.
Patent GB-201621-A (GB)
Title: Improvements in and connected with golf clubs and the like
IPC: A63B53/14
Filed: 1922-05-01
Abstract: 201,621. Bamber, L. May 1, 1922. Handles. - A golf club or the like is provided with a handle of diamond or similar cross section, the handle being so disposed in relation to the head of the club that the major axis of the diamond section is parallel to the striking face of the club. The corners of the diamond section may be rounded as shown. One corner, for example the corner e, may be more rounded than the opposite corner. Specifications 12931/01, 20882/08, and 1792/11 are referred to.
Patent GB-236014-A (GB)
Title: Improved lift latch
IPC: E05C3/12
Filed: 1924-05-19
Abstract: 236,014. Lansdell, W., and Lansdell, W. H. S. May 19, 1924. Latches, lift and thumb.-The lift lever D has two projections G, H fitting into corresponding seatings in the base L of the latch housing B to form fulcra for the lever, so that when either of the handles E, F is pulled or pressed the latch P will be raised. The centre of gravity of the lever and handles is arranged to lie between the projections G, H, and a slight depression K may be made in the lever for the latch P.
Patent GB-1136476-A (GB)
Title: Improved laser
IPC: H01S3/17
Filed: 1965-11-29
Abstract: 1,136,476. Lasers. WESTINGHOUSE ELECTRIC CORP. 29 Nov., 1965 [10 Dec., 1964], No. 12360/68. Divided out of 1,136,475. Heading H1C. The subject matter of this Specification is described in Specification 1,136,475 but the claims are directed to a laser including a Nd<SP>+3</SP> activator impurity and a Mn<SP>+2</SP> sensitizer impurity. Reference has been directed by the Comptroller to Specification 1,015,057.
Patent GB-662986-A (GB)
Title: An improved machine for clinching lids on cans
IPC: B21D51/32
Filed: 1949-05-10
Abstract: 662,986. Seaming. SANGSTER, G. B. July 20, 1950 [May 10, 1949], No. 12463/49. Class 83 (iv). A machine for seaming lids on cans comprises a conveyer to receive and carry forward the cans with lids fitted therein, an endless chain or the like carrying at spaced distances apart a series of chucks, means whereby the conveyer and the chuck carrier can be driven in unison, and a series of spring-loaded rollers which progressively bend or roll over the flanges of the lids as the cans are moved forward. Cans with loosely fitted lids are carried one at a time along rails r from a loading platform v by pushers f on a chain e. On reaching a rail section r1, vertically movable by means of cams r6, each can is in turn lifted so that one of the chucks l carried on a chain k engages the lid and holds it in position. Continued movement of the can along the table a causes the lid to be progressively seamed by three pairs of rollers p3, Fig. 2. Near the deliverv end of the machine each can in turn passes on to a rail section s1 vertically movable by means of cams S6 to disengage the chuck and allow the cans to proceed to a delivery shoot v1 from which they may be removed for heating and hermetic sealing. The table g carrying the chain k is vertically adjustable by means of screwed pillars g1, for cans of various depths. The rollers p3 are each carried on a spring-loaded pivoted arm o and comprise an annular recess p4 which bears on the edge of the lid, and a peripheral face p5 which engages with guide surfaces m on the chucks l to ensure that each roller turns over the flanges of the cans and lids to a predetermined limited extent. Reference has been directed by the Comptroller to Speciflcation 522,438.
Patent GB-556454-A (GB)
Title: Improvements relating to free-piston machines, particularly to those with variable discharge pressure
IPC: F02B71/06
Filed: 1940-08-01
Abstract: 556,454. Free-piston compressors and gas generators. PESCARA, R. P. Aug. 1, 1940, No. 12477. Convention date, Aug. 2, 1939. [Class 8 (i)] [Also in Group XXVII] A free-piston compressor or gas generator in which the pistons are returned by the pressure of gas in accumulators A', A<SP>2</SP> has controllable means for transferring gas between the accumulators and a source of pressure, the pressure in this source lying between the maximum and minimum pressures in the accumulators during each working cycle. The pistons 2<SP>1</SP> are actuated by internal combustion in a cylinder 1, and are connected to pistons 5<SP>1</SP> compressing air on their inner sides and delivering it to a chamber 9 acting as a source of scavenging air and as the said source of pressure. The fuel supply pump is actuated by the synchronizing pinion 10. When the mean pressure in the accumulator A<SP>1</SP> varies, the valve 31 opened by the piston at a point of its stroke communicates this variation to a cylinder 25 and so varies the position of a cam 28, and moves a valve 30 into communication with one of two ports 116<SP>2</SP> leading to chambers having valves which respectively allow passage of air to the accumulators from the scavenge space 9 and vice versa. The regulation of the fuel pump is controlled from the governor of a turbine supplied by the generator through a link 14, and in case of rapid change of load this link acts on an abutment 33 to give an immediate shift to the valve 30. A lever 39 also acts on release and supply valves in the passage leading to the accumulators. In a modification, some of the parts are omitted, the transfer valve 30 is replaced by valve chambers such as 115<SP>2</SP> caused to slide in a chamber in the transfer pipe, and the valve 31 is replaced by a restriction in the rod extending upwards from the piston 5<SP>1</SP>, this restriction cooperating with a pipe, leading to cylinder 25, through which the rod passes transversely.
Patent GB-153535-A (GB)
Title: A coal recorder for attachment to furnaces or furnace hoppers fed from overhead bunkers
IPC: F23K3/00
Filed: 1920-05-06
Abstract: 153,535. Alexander, T. R. May 6, 1920. Charging.-In apparatus of the kind in which coal is fed by gravity through shoots from overhead bunkers, means are provided for measuring the coal supplied, consisting of a shoot provided with supply and delivery valves which are interconnected so that one cannot be opened until the other is closed, each operation of opening either valve actuating a counter or recorder. In Fig. 2 fuel is allowed to fill the shoot b, and until the swing shutters c are closed by the hand-chain e the pin k attached to the sliding bar i and resting in the radial slot j prevents the hand-operated door f from being opened. The operation of closing shutters c moves the sliding bar l, thus allowing the pin k to travel round the quadrantal slot i and the door f to be opened, at the same time actuating the lever o, connected to a counter n.
Patent GB-1010332-A (GB)
Title: Drain pipes
Inventor: SUTTON NORMAN
IPC: F16L3/12
Filed: 1962-04-03
Abstract: 1,010,332. Drainpipes; pipe couplings. ALLIED STRUCTURAL PLASTICS Ltd. July 2, 1963 [April 3, 1962], No. 12661/62. Headings F2G and F2P. An enclosed gravity drainage system element, such as a drainpipe or associated fitting 1, 2, 3, has at least one flat exterior surface, 4, 5, 6, respectively, which extends longitudinally at one or both ends beyond the confines of the element. In the construction shown the ends of the elements 1, 2, 3 are cut at an angle to their longitudinal axes to provide the extensions. A fastening, e.g. a screw 8 or nails, bolts or rivets, is passed through a bore or slot in the drainpipe extension. The connector 3 may be of the spigot or socket type a recess portion 9 being provided to co-operate with the head of the fastening. The element may be of a synthetic resin, e.g. P.V.C., which is moulded. The invention may also be applied to enclosed gutter and rain water spouts.
Patent GB-353919-A (GB)
Title: Improved materials for use in the construction of roads, roofs and the like
IPC: C08L97/00
Filed: 1930-04-25
Abstract: A composition for roads, roofs, &c., consists of peat moss, coconut fibre, &c. (say 10 parts), stone and sand (62) and a binding composition (28) consisting of fuel oil, hard pitch such as that obtained by subjecting petroleum residue to a high temperature, and native bitumen (in proportions say 2 : 9 : 4). The composition may be spread hot or pressed into blocks. Specification 330,440, [Class 22, Cements &c.], is referred to.
Patent GB-334965-A (GB)
Title: Improvements in or relating to furnaces and/or apparatus for the annealing or heat treatment of metal and other goods
IPC: C21D9/00
Filed: 1929-04-25
Abstract: 334,965. Smallwood, A., and Fallon, J. April 25, 1929. Metal-heating furnaces; muffle, furnaces; gases, supplying; cooling charges. - A furnace for the annealing or other heat treatment of bars, tube, metal strip &c., comprises a heating-chamber a enclosing a number of tubular muffles b with cooling - extensions c and a further tube g through which a gas may be passed to the muffles to provide a reducing, neutral, or oxidizing atmosphere therein. The tube g may contain steel turnings and lime for reacting with the coal gas or producer gas which is to be passed into the muffles, and the gas may be delivered tangentially at the junction e of the heating and cooling sections b, c. The cooling-sections may be jacketted for the circulation of water, oil, &c., or may be heat insulated when slower cooling is desired, and the different forms of cooling-section may be interchangeable. In a modified form of cooling section the goods are pushed from the heating-chambers on to pivoted counterweighted supports s, Fig. 3, and dropped into a quenching-tank r without exposure to the atmosphere. Specifications 8362/11 and 222,566 are referred to.
Patent GB-597931-A (GB)
Title: Improvements in pitch changing mechanisms for screw propellers
IPC: B64C11/36
Filed: 1944-07-05
Abstract: 597,931. Variable-pitch propellers. FORSYTH, A. G., and FAIREY AVIATION CO., Ltd. July 5, 1944, No. 12836. Convention date, Aug. 12, 1943. [Class 114] A variable-pitch propeller control device comprises two geared rings mounted for relative rotation, one, 3, being driven by the propeller shaft, and the other, 5, connected to the propeller blades, these rings engaging coaxial gearwheels 13, 14, which can be selectively coupled together. The gear ratios of the wheels are such that when the wheels 13, 14 are coupled by energizing the electromagnet 19, and engaging teeth 16, 17, the wheel 5 rotates slowly relative to wheel 3, this movement moving the propeller blade for pitch alteration in one direction. A similar unit is provided for pitch movement in the opposite sense. The wheels 3, 5 also operate a similar device electromagnetically controlled for moving limit switches for coarse and fine pitch, and for reverse and feathering movements. In a modified form, extra units are added of increased gear ratio for carrying out reversing and feathering movements. A reversing motor 75 (Fig. 14) is added for auxiliary operation to the fine or feathered position should the engine fail. In another modified form Fig. 16), a unit with epicyclic gearing 99, 101, 103, 106, 107, 108 is controlled by a reversible electric motor 95 for carrying out slow movement for coarse or fine pitch, with additional devices similar to those shown in Fig. 3 for feathering or reversing movements. In a further modified form, the teeth 16, 17 for coupling the gears are replaced by arms 125 (Fig. 18) engaging the edge of the disc 127. In still a further modified form, the electromagnets such as 19 (Fig. 3) or 130 (Fig. 18) are replaced by external electromagnets 145, 146 (Fig. 21) operating the clutch discs 171 through rodding 150, 153, &c. Specification 580,488 is referred to.
Patent GB-252378-A (GB)
Title: Improvements in and relating to compositions for laying or preventing dust and to their application to road surfaces
IPC: C09K3/22
Filed: 1926-05-19
Abstract: 252,378. Ekstr÷m, P. G. May 22, 1925, Dust-laying and dust-preventing compositions. -The treatment of road surfaces with sulphite lye is supplemented by treatment with one or more bases whereby the organic bodies serving to bind the dust are rendered insoluble. Preferably. chemically equivalent proportions of lime water are sprayed on the road at the same time as or soon after the lye, or the pasty mixture of the two liquids is suitably applied. A hard asphaltlike surface is said to result. The prior use of sulphite-cellulose lye, and of such lye neutralized with lime milk or the like. is referred to.
Patent GB-1198004-A (GB)
Title: Vibration-Damping Materials
IPC: C08L63/00
Filed: 1968-03-18
Abstract: 1,198,004. Vibration damping laminates. FARBWERKE HOECHST A.G. 18 March, 1968 [16 March, 1967], No. 12914/68. Heading B5N. [Also in Division B2] A vibration damping system comprises a sandwich structure of two plates, e.g. of steel, laminated together with a cured epoxy resin composition obtained by curing at least one glycidyl ether and/or glycidyl amine with at least one polypropylene oxide amine of formula in which X is amino or hydroxyl and at most 50% of the X groups are OH and m is 4 to 32 or a branched polypropylene oxide amine of formula in which X is amino or OH and at most 50% of the X groups are OH, Y 1 , Y 2  and Y 3  are each integers of 1 to 15. The amines I and II may have a M.W. of 350-3000 and may be used as curing agents in conjunction with at least one aliphatic or cycloaliphatic amine having an amine equivalent of 15 to 60. The epoxy resin may be a diglycidyl ether of bisphenol A having an epoxide equivalent of 190-250. Conventional fillers and extenders may be present in the epoxy resin composition.
Patent GB-406156-A (GB)
Title: Improvements in and relating to the suspension of vehicle wheels
IPC: B60G11/08
Filed: 1933-05-04
Abstract: 406,156. Motor-vehicle driving-gear. GANZ, J., 85, Zeppelinallee, Frankfort-on- Main, Germany. May 4, 1933, No. 13065. Convention date, May 7, 1932. [Class 79 (ii).] In vehicles having pivoted half axles with bearings pivotally suspended in members which are resiliently mounted and adapted to move vertically, the half axles or shafts 15, 16 are driven by the driving-members 2 of the gear box.
Patent GB-184267-A (GB)
Title: Improvements in and relating to devices for winding wire and the like under tension
IPC: B65H59/16
Filed: 1921-05-07
Abstract: 184,267. McNicol, R. A. May 7, 1921. Tension arrangements.-A tension regulating device for use in winding wire comprises freely rotatable grooved rollers 1, 2 which are carried on spindles 3 in a frame 4 and are arranged so that the bearings 5 of the lower rollers 1 are non-yielding while the bearings 7 of the upper rollers 2 are adjustable by the pressure-regulating device. The position of the lower rollers 1 may be adjusted by blocks 8 while the bearings 7 of the upper rollers slide in guides 9 and are arranged with springs 12 and a bridge-piece 10 provided with a regulating-screw 13; preferably, two springs and one regulating-screw are provided for each roller 2. The wire &c. 6 enters the frame 4 through a flared opening 15 and passes successively through a pair of rollers, a guide-tube 19, a second pair of rollers and emerges through another flared opening 16 being then attached to the device on which it ie being wound under tension, which device is suitably rotated. The frame 4 may be provided with lugs 17 to be secured to a bench or may be mounted on a central swivel pin. If desired, the wire mav be coated with paint &c. on its passage through the device, a box 21 with spring-pressed plates 22 and wads of cotton 25 between which the wire &c. is passed being provided adjacent to the opening 16. A supply tank 26 and pipe 27 are arranged as shown.