baber/WOPTO huggingface dataset:
Patent GB-1569135-A (GB)
Title: Steroids
IPC: C07J/
Filed: 1976-10-11
Abstract: DELTA 15-Steroids of the formula  <IMAGE>   wherein R1 is a hydrogen atom, trialkylsilyl or acyl; R2 is ethynyl, chloroethynyl or propinyl; and X is an oxygen atom,  <IMAGE>  or NOR4 wherein R3 is a hydrogen atom or acyl and R4 is a hydrogen atom, acyl, alkyl or tetrahydropyranyl, possess progestational and ovulation and nidation inhibiting activities.
Patent GB-1089369-A (GB)
Title: Improvements in methods and apparatus for electrically perforating dielectric materials
Inventor: MEYER OTTO EMIL
IPC: B26F1/28
Filed: 1965-10-06
Abstract: 1,089,369. Perforating apparatus. MEYER LABORATORES Inc. Oct. 6, 1965, No. 42360/65. Heading B4B. Apparatus for piercing a workpiece, e.g. a polymerized methyl methacrylate contact lens W or material for use in filters comprises a work-holder 38, an electrode 26 urged into contact with the workpiece with a force predetermined by a spring, means, viz. screws 36, to lock the electrode and workpiece in engagement, and means to pass an electrical current discharge from the electrode through the workpiece for a predetermined time-interval to perforate the workpiece. A second electrode 26 is urged with predetermined force and locked against the other side of the workpiece so that both electrodes engage along a line normal to the surface of the workpiece. In operation, a timer is set for a predetermined time interval e.g. 0À02 to 0À40 second to cause a voltage, which is preset by tapped step-up transformers and a voltage adjuster, to be applied to the electrodes. The workpiece is immersed in a silicone dielectric fluid, and is further prevented from shattering by diodes in the primaries of the step-up transformers. A pre-ionizing voltage may be applied just prior to application of the final voltage to impart a higher surface finish to the hole.
Patent GB-1370088-A (GB)
Title: Electric incandescent lamp
IPC: H01K1/18
Filed: 1973-09-10
Abstract: 1370088 Electric incandescent lamps PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 10 Sept 1973 [13 Sept 1972] 42470/73 Heading H1F The lamp filament 9 is stretched on a frame comprising two longitudinal supports 4, 5 and at least one electrically insulating transverse support 6, each longitudinal support projecting slidably through a respecitve aperture in the transverse support and being attached to the transverse support by a helical spring 12 or 13 one end 14, 15 of which is secured to the longitudinal support and the other end 16, 17 of which is locked in the aperture. The springs ensure that the filament is maintained at the correct tension, the end of the filament remote from the sliding support 6 being supported by a fixed transverse support 7 or by the base 24 of the lamp envelope. The support 6 is made by fusing together two parallel beams of quartz glass, the ends of the springs, or a pair of helically wound members 20 into which the ends of the springs can be screwed, being clamped between the beams.
Patent GB-1454485-A (GB)
Title: Marine instrument oscillator circu
IPC: G01N27/07
Filed: 1974-10-01
Abstract: 1454485 Salinity measurement WESTINGHOUSE ELECTRIC CORP 1 Oct 1974 [9 Oct 1973] 42529/74 Heading G1N A marine salinity measuring instrument comprises a first cell 19 for measuring the conductivity of the water environment, a standard conductivity cell 26 maintained at the temperature of the water environment by contact therewith, a body 11  carrying both cells and means for conveying an indication of the measurement to a utilizing device. The cells are mounted in a device which drops through the water and has passages to direct water flow through and/or round the cells and is connected to processing equipment by two wires. The first cell 19 has a central passage 21 and three linearly equally spaced electrodes, the outer two being electrically connected. The standard cell 26 contains a cylinder of water of known salinity with an electrode at each end and the side walls are made of an electrically insulating, good heat conductor e.g. alumina. The first cell 19 is mounted in the nose of the device aligned with inlet 24. Holes 30 and 32 allow some water to pass cell 19 yet flow through and round cell 26 so that it attains the water temperature. Cell 26 is mounted in cylindrical portion 39 which also contains the necessary electronics 45 in cavity 44. The wire is mounted on a reel in the tail of the device. The ratio of the two cell conductivities is transmitted as a frequency to the processing equipment by the circuit of Fig. 7. The first cell (R 1 ) and standard cell (R 2 ) are connected as shown to amplifier 100. The amplifier output is connected to one input 117 of comparator 115, the output of which is E. The comparator output e, which is a squarewave is connected to R 2  and to the input of integrator 110 which generates, with a squarewave input, a sawtooth as the other input 118 to the comparator.
Patent GB-1365365-A (GB)
Title: Singlepipe hot water heating systems
IPC: F24H9/12
Filed: 1971-09-13
Abstract: 1365365 Radiators P KASERMANN 13 Sept 1971 [11 Sept 1970] 42655/71 Headings F4U and F4S A single pipe hot water system is in the form of a number of preassembled units 1 connected together in series by separate flow and return connecting pieces 9a, 9b. Each unit comprises a radiator 2, a by-pass 6 and a flow-regulating control valve 3. Each unit is preassembled in a factory, thus making it possible to preselect the position of the control valve, and so eliminate expensive and difficult on-site adjustments. Each radiator may have a casing to form a convector heating unit.
Patent GB-1242895-A (GB)
Title: Oxidation of 6,13-dihydroquinacridones
IPC: C09B48/00
Filed: 1968-09-10
Abstract: 1,242,895. Oxidation of 6,13-dihydroquinacridones. E. I. DU PONT DE NEMOURS & CO. 10 Sept., 1968 [22 Sept.,' 1967], No. 42949/68. Heading C4P. A pigment mixture of a quinacridoneqdinone and a quinacridone is obtained by a process which comprises oxidizing, in an alkaline medium, a corresponding dihydroquinacridone (I) wherein R 1  and R 2  are halogen C 1  to C 3  alkyl or alkoxy and a and b are 0, 1 or 2, in the presence of a compound (II) wherein R 3  is as defined for R 1  and R 2 , c is 0 or 1 to 4, -Y- is the group -CO 2 - or -SO 3 - and X is sodium or potassium. Suitable oxidizing agents include sodium m - nitrobenzenesulphonate, nitrobenzene, p-nitrotoluene, m-nitrophenol, m- and p-nitrobenzoic acids, 4-nitrophthalic acid and sodium 2 - methyl - 5 - nitrobenzenesulphonate. Preferred compounds of Formula (II) are sodium metanilate and sodium sulphanilate.
Patent GB-1121573-A (GB)
Title: Knitted fabric and method for making the same
IPC: D04B21/00
Filed: 1966-09-27
Abstract: A warp knit fabric comprises at least two series of yarns, one having a larger underlap than the other, and unknit wefts inserted behind the under laps.  The wefts may be inserted in each or non-consecutive courses.
Patent GB-997226-A (GB)
Title: Apparatus for check-weighing articles on endless conveyors
Inventor: CARTER GORDON
IPC: G01G19/03
Filed: 1961-12-01
Abstract: 997,226. Weighing apparatus. GORDON CARTER TURKEY (SALES) Ltd. Feb. 21, 1963, [Dec. 1, 1961], No. 43040/61. Heading G1W. [Also in Divisions B8 and G4] In a machine for check-weighing articles of a predetermined grade weight, presence of an article 34 on an article conveyer 1 causes a relative vertical displacement between the conveyer 1 and a weighing table 4 beneath it such that the table 4 projects upwardly beyond the conveyer 1 to support said article 34 and weigh it, the article being subsequently discharged at one of three stations according to whether its weight is above, below or within predetermined limits. In Fig. 1, when an article is not being weighed, a solenoid 5 is energized to lift the (multi-belt) conveyer 1 away from the weighing table 4 (via 6, 8, 3) and to lower (via 6, 11, 12, 14) a reference weight 20 (equal to the grade weight) on to a strain-gauge-equipped cantilever 23 which also supports the table 4. Arrival of an article 34 is detected photo-electrically, inductively or by a mechanical feeler member, and the solenoid 5 de-energized thus lifting the reference weight 20 from the cantilever 23 and allowing the conveyer belts 1 to lower so that projections on table 4 pass between the belts to support the article 34. Signals from the strain gauges during weighing of the reference weight 20 and the succeeding article 34 are automatically compared and one of two relays energized if the article is underweight or overweight thus moving a corresponding deflector plate depositing the article at a corresponding location. If neither deflector plate is moved, the article is deposited at a correctweight location. The solenoid b is energized again for the next calibration weighing after a predetermined delay after its de-energization.
Patent GB-1166357-A (GB)
Title: Improvements in or relating to Electronic Switching Circuit Arrangements.
IPC: H03K17/60
Filed: 1967-09-22
Abstract: 1,166,357. Protective arrangements. SIEMENS A.G. 22 Sept., 1967 [23 Sept., 1966], No. 43146/67. Heading H2K. [Also in Division H3] In a circuit in which the on and off state of an electronic switch is controlled by an oscillator, excessive switch current causes a second electronic switch to damp the oscillator and reduce or interrupt the switch current. One or other of the transistors T5, T6 oscillates, according to the polarity of the input signal, and the output from its winding 1 is rectified to bias the corresponding transistor T1, T2 conducting whereby the negative or positive supply is - U, + U connected to output terminals A. The output current flows through a small resistor R1 or R2 and if, for example, the current through R1 is excessive the voltage thereacross renders a transistor T3 conductive. This damps the output circuit of the oscillator, reducing the drive to T1 and thus the current therethrough. Damping transistor T3 is reverse biased by a potentiometer R3, R5 in dependence upon the voltage across the load so that if the load is short-circuited the reverse bias is reduced and a small current through R1 is sufficient to render the damping transistors T3 conducting. A capacitive load would draw a large current when the transistors T1 and T2 switch on and capacitors C4 and C5 prevent this current rendering T3 and T4 conducting. Diode D1 protects T3 against excessive reverse base voltage, D3 provides a threshold voltage and D1, which alternatively may be connected across T1 protects against interference voltages received from the output line connected to A. A capacitor in the input circuit C1 slows conduction changeover to prevent both output transistors conducting together. In Fig. 1 (not shown), the damping transistors T3 and T4 are replaced by thyristors and these so reduce the output of the oscillator as to cause transistors T1 and T2 to cease conduction.
Patent GB-1481660-A (GB)
Title: Record material feed mechanism
IPC: B41J11/38
Filed: 1975-10-22
Abstract: 1481660 Toothed gearing NCR CORP 22 Oct 1975 [12 Nov 1974] 43321/75 Heading F2Q [Also in Division B8] A roller 26, Fig. 2, for feeding record slips 24 is rotated alternately in opposite directions by means of two oscillating gear segments 44, 45, Figs. 2 and 3, through gear wheels 43, 36, 34. The segments are mounted on a common shaft 46 and are oscillated by respective cams 53, 56 on a cam-shaft 54. During the counter-clockwise or forward stroke of the segments, they are arranged in tandem, so that the gear 43 is engaged first by the teeth of segment 44 and then by the teeth of segment 45, producing a predetermined rotation of the roller 26. At the end of the stroke, the segment 44, being disengaged from the gear 43, is moved by its cam clockwise relative to the segment 45, so that the segments overlap and on the return stroke the gear 43 rotates to a lesser extent. At the end of the return stroke the segments are moved again into tandem relationship. The cam-shaft 54 is driven from a constantly rotating shaft 82 through a spring clutch 68 which is normally disengaged, and which is engaged by means of a clutch pawl 70 when a solenoid 77 is energized, each energization producing a 180 degree revolution of the cam-shaft and one forward or return stroke of the segments. A slip may thus be fed into or out of a cash-register or other machine at the initiation of the operator by energizing the solenoid, the infeed distance being slightly greater than the outfeed distance.
Patent GB-1395387-A (GB)
Title: Lever and actuating rod assembly
IPC: F16L3/08
Filed: 1972-09-19
Abstract: 1395387 Pivoted levers FORD MOTOR CO LTD 19 Sept 1972 [21 Oct 1971] 43338/72 Heading E2F In a lever and actuating rod assembly a pivoted lever member 11 is provided with an aperture 16 at one end through which extends a connecting device in the form of a moulded plastics unit 13 which forms a retention means for an L-shaped actuating rod 12. The moulded plastics unit 13 is retained in the aperture 16 by means of a cylindrical retention means 19 having a reduced shank portion 22 and a compressible tapered shoulder portion 23. The long leg 14 of the end section of the actuating rod 12 is provided with an upper surface 36 which may be flat as shown in Figs 1 and 2 or concave or V-shaped and overhanging retention flanges 29, 31 are provided on the moulded plastics unit 13 to prevent inadvertent disengagement of the actuating rod 12 from the connecting device 13.
Patent GB-1523582-A (GB)
Title: Soil cultivating machines
IPC: A01B33/06
Filed: 1975-10-23
Abstract: 1523582 Rotary harrows C VAN DER LELY NV 23 Oct 1975 [24 Oct 1974] 43377/77 Divided out of 1523306 Heading A1B In a vertical axis rotary tined harrow, the soil working portion 52 of each tine is provided with a soil working blade 63 extending laterally from the portion 52 to only one side of it in a direction away from the axis of rotation of the soil working member, at a location above the free end or tip of the tine.
Patent GB-1096419-A (GB)
Title: Improvements in or relating to a process for the production of an iron oxide catalyst
IPC: B01J37/08
Filed: 1965-10-13
Abstract: Iron oxide catalysts are made by melting a mixture of iron oxides, with or without the addition of activators, allowing the melt to cool, crushing the cooled melt and subjecting the resulting sharp-edged broken material to a rolling motion in a drum thereby producing a roughly spherical and at the same time roughened surface which retains by adhesion some of the finest dust produced in rolling.  Specified activators are Al2O3, SiO2, CaO, MgO, Na2O, K2O, or TiO2.
Patent GB-1282032-A (GB)
Title: Photographic supersensitized silver halide emulsions
Inventor: BROOKS DUGALD ARTHUR
IPC: G03C1/28
Filed: 1969-09-03
Abstract: 1282032 Methine dye EASTMAN KODAK CO 3 Sept 1969 [3 Sept 1968] 43610/69 Heading C4P [Also in Division G2] 4 - [(2 - Benzothiazolylethiodide)methylene] - 2- [(3 - ethyl - 2(3H) - benzothiazolylidene)methyl]- 6-methyl-4H-pyran is prepared by the usual condensation method.
Patent GB-1429570-A (GB)
Title: Board game
IPC: A63F3/00
Filed: 1974-10-09
Abstract: 1429570 Board game M PLAUMANN 9 Oct 1974 [10 April 1974] 43847/74 Heading A6H A board game apparatus comprises a board as shown, currency and eight packs of cards for enabling rent to be collected, arrest to be effected, conviction and sentence to be carried out, and for providing penalties, bonuses and exemptions. Two sets of tokens, two dice and a shaker are also provided, the tokens representing snobs and jailbirds.
Patent GB-1396470-A (GB)
Title: Process for separating oxidic ores containing nickel and or copper and or cobalt
IPC: C22B3/32
Filed: 1973-09-20
Abstract: 1396470 Separating Cu, Ni and Co from oxidic ores FRIED KRUPP GmbH 20 Sept 1973 [21 Sept 1972] 44247/73 Heading C1A A process for recovering the metals Cu, Ni and Co from an oxidic ore comprises first subjecting the ore to reduction and then to leaching with aqueous ferric chloride solution at normal pressure and at a temperature below 100 C., whereby the Mn, Cu, Ni and Co are selectively dissolved. The reaction with FeCl 3  proceeds according to the equation and after solid liquid separation it is preferred to treat the solution with an oxidizing agent, e.g. air according to the reaction the precipitated ferric hydroxide being separated and the Co and Ni being separated from the filtrate by elution and electrolysis. Alternatively if the precipitation of the ferric hydroxide is carried out in the presence of flocculating agents the major portion of the Ni, Cu and Co can be deposited as adsobed ions on the Fe(OH) 3  precipitate and recovered by selective solution in ammonium carbonate followed by, e.g. solvent extraction or ion exchange.
Patent GB-917285-A (GB)
Title: Improvements in apparatus for securing oil feed into the lubricating system of turbomachines
Inventor: RICANEK ZDENEK
IPC: F01D25/20
Filed: 1959-12-30
Abstract: 917,285. Lubricating systems. PRVNI BRNENSKA STROJIRNA ZAVODY KLEMENTA GOTTWALDA, NARODNI PODNIK. Dec. 30, 1959, No. 44328/59. Class 12 (3). Apparatus for securing oil feed into the lubricating system of the bearings of turbomachines comprises an oil pressure tank 1 connected through a pressure-responsive valve 6 to piping 7 through which oil enters the bearings, and is also connected by means of a non-return valve 8 to the delivery piping 9 of a main lubricant supply pump in which delivery piping the highest pressure in the lubricating system exists. In the event of a fall in pressure in the lubricating system, the valve 6 opens to admit oil under pressure from the tank into the bearings to protect them until the machine finally stops.
Patent GB-1241431-A (GB)
Title: Hermetically sealed electrical device
IPC: B23K11/00
Filed: 1968-09-18
Abstract: 1,241,431. Semi-conductor devices. WESTINGHOUSE ELECTRIC CORP. 18 Sept., 1968 [27 Sept., 1967; 28 June, 1968], No. 44339/68. Heading H1K. [Also in Division B3] The Specification relates to improvements in semi-conductor device encapsulations of the general type illustrated in Fig. 1 in which the element is disposed on a conductive base 10 within a peripheral wall 18 to the upper edge of which cap assembly 12 is welded. In each case a flange 40 on the cap assembly is welded to this edge with the aid of one or more weld members of closed configuration which, prior to welding have weld ridges engaging both members to be joined thereby. In one example, two weld members of annular configuration and diamondshaped cross-section are used, one between the peripheral wall 18 and spring retaining member 22 and the other between member 22 and the flange 40 of the cap assembly. Alternatively, the weld members may be of triangular crosssection or formed of a plurality of coils of wire. In another embodiment the retaining member is held in position by an annular member welded between the cap and peripheral wall. In a modification of this embodiment the annular member functions as a welding member and to this end has annular ridges on both faces. Resistance welding is effected in two stages in all cases by clamping the parts to be joined between a pair of electrodes, one of which may be recessed to accommodate the ridge on the annular member referred to above.
Patent GB-1451077-A (GB)
Title: Fuel injection systems for internal combustion engines
IPC: F02M69/22
Filed: 1973-09-21
Abstract: 1451077 Regulating IC engine fuel injection ROBERT BOSCH GmbH 21 Sept 1973 [22 Sept 1972] 44407/73 Heading F1B [Also in Division G2-3] A metering valve 20 in a fuel injection system is operated by a pressure fluid acting on opposite ends and the pressure of the fluid is controlled by a solenoid valve device 7 which operates in accordance with the air-flow in an intake pipe 1 as measured by an element 8 in the pipe. The valve 20 controls ports 22 in a sleeve 18 connected by passages 23 to chambers 15 on one side of a diaphragm 14 which is subject in chambers 16 to the pressure of the fuel fed to the valve upstream of the ports. The diaphragm 14 controls outlet passages 36 leading to respective fuel injectors. A potentiometer 9 actuated by the element 8 and an inductive position sensor 5, comprising a slider 24 positioned by the valve 20 and an inductive coil 26, provide electrical signals which are compared in a device 4, e.g. including a bridge circuit. The output from the device 4 controls the device 7 which supplies fuel under pressure to the ends of the valve 20. The steel diaphragm 46 of the device 7 controls fuel flow to passages 38 and 39 communicating with the chambers 40 and 41 at respective ends of the valve 20. The chambers 40 and 41 are connected to the fuel supply reservoir 29 through respective throttles 42 and 43. The magnets 47 of the device 7 are energized intermittently or continuously and the diaphragm 46 may permit fuel flow alternately through the passages 38 and 39 or be operated to control flow through both passages by intermittently closing one or adopting a varying intermediate position between the passage inlets. The device 7 may have two valve diaphragms (50 and 51), Figs. 2 to 4 (not shown), which control fuel flow to passages (38 and 39, Fig. 2), from the chambers 40 and 41 to the return line (45, Fig. 3), or to the chambers 40 and 41 and to the return line (45, Fig. 4). The operation of the device 7 may be additionally controlled in accordance with engine operating conditions, e.g. load, speed, temperature and exhaust gas composition. Reference has been directed by the Comptroller to Specification 1231967.
Patent GB-957599-A (GB)
Title: Bathlift device
IPC: A47C3/30
Filed: 1962-11-23
Abstract: 957,599. Adjustable seats. AMERICAN RADIATOR & STANDARD SANITARY CORPORATION. Nov. 23, 1962 [Feb. 13, 1962], No. 4415/62. Headings A4J and A4N. A device for lifting an infirm person, e.g. into and out of a bath, comprises a seat 10 mounted on a carriage 16 movable between raised and lowered positions by power means so disposed on a base 20, adapted to rest on the bottom of a bath tub, so that the carriage 16 in its raised position is horizontally displaced relative to its lowered position. The power means comprises a hydraulic cylinder 40 fed through a hose 80 and a two-way control valve from the domestic water supply and exhausted through the control valve or by opening a check valve 78 to raise and lower a piston. The carriage 16 is connected to the piston rod 48 by rods 56, 58 and a bracket 50, and its movement is guided by rollers 70, 72 whose concave faces engage the surface of the cylinder 40. The cylinder 40 is disposed at an acute angle to the base 20 and the carriage 16 parallel to the base to prevent the device tipping when a person is raised. The seat 10 and carriage 16 may swivel around the cylinder, or the cylinder swivel about the base 20 or about an axis 106 (Fig. 3) removed from the longitudinal axis of the cylinder by a bracket 104 connecting the bottom of the cylinder to the base 20. The carriage 16 may have bent arms 112 so that the seat 10 can be carried lower in the bathtub. The structural parts are made of aluminium and the seat and rollers of polypropylene or moulded fibre glass.
Patent GB-1329995-A (GB)
Title: Optical gas analyzing apparatus
IPC: G01N21/15
Filed: 1970-09-17
Abstract: 1329995 Optical gas analysers COMMERCIAL ELECTRONICS Inc 17 Sept 1970 [17 Sept 1969] 44517/70 Heading G2J [Also in Division G1] Optical gas analysing apparatus, comprising a gas flow chamber 12 disposed in a housing 6 and having an inlet 14 and outlets 16, the chamber 12 including a pair of spaced walls 26 having aligned openings 38 defining an optical path through the chamber with optical gas analysing means 40, 42 disposed adjacent the openings, is provided with passages 48 and means for passing an uncontaminated fluid along there passages across openings 38 to prevent contact between a gas sample and the analysing means. The analysing means comprises a light source 37 (which may be infrared, ultra-violet or visible) and a detector 44 having a filter 45 to remove unwanted radiation. The passages 48 have cutouts to enable the light to pass through and there cut-outs may be left open or have a transparent window 60. The flow rates of gas and fluid are preferably the same.