baber/WOPTO huggingface dataset:
Patent GB-1229403-A (GB)
IPC: F23D11/10
Filed: 1967-02-16
Abstract: 1,229,403. Spray burner. JOSEPH LUCAS (INDUSTRIES) Ltd. 9 May, 1968 [16 Feb., 1967], No. 7502/67. Heading F4T. In a spray burner fuel is supplied via passages 11, 16, 20, 22 to a mixing chamber 24 having an annular outlet 24a surrounding a conical pintle, and air is fed to the mixing chamber 24 via passages 26 which also communicate via passages 30, 29, 28 with an annular opening 31 surrounding the outlet 24a to supply further air to the mixture leaving the chamber 24. The fuel passage 22 is an annular groove in the surface of a ring 18 and opens to the chamber 24 via vanes 23 so that the fuel is given a swirling motion.
Patent GB-1229518-A (GB)
IPC: B28C5/08
Filed: 1969-08-15
Abstract: 1,229,518. Concrete mixers. LICO A.G. 15 Aug., 1969 [21 Aug., 1968; 8 Nov., 1968], No. 40827/69. Heading B1C. A concrete mixer has a main pan 1 and above it a pre-mixer comprising a circular rotatable base 7 which frictionally engages and causes to rotate a cylindrical side wall 9 with an inturned skirt 12. The base 7 can be raised to the broken line position by a hydraulic actuator 8 to disengage it from the wall and provide an annular peripheral discharge passage 13. In another embodiment (see Figs. 2 and 3, not shown). The wall 9 is lowered to disengage it from the base. The pre-mixer may be supplied by an elevating hopper 5 and a weighing apparatus 2. The base 7 is preferably a shallow cone 7 as shown, but may be flat.
Patent GB-1229818-A (GB)
IPC: A01D43/10
Filed: 1968-10-04
Abstract: 1,229,818. Harvesters. DEERE & CO. 4 Oct., 1968 [4 Oct., 1967], No. 47131/68. Heading A1F. A reel 36 for a harvesting machine having a mower bar 26 and crop handling means 30 comprises a number of prong carriers disposed parallel to and at an equal radial distance from the reel shaft 38 in which the regions between the programmes are covered to provide a generally hollow cylindrical structure. The prong carriers are a number of transverse rods 50 carrying double spring type tines 52 and connected at their ends to circular end plates 44, 46, 48. Attached to the left end of each rod is a lever 54 having cam follower 56 which rides in ram track 58 causing the rods and tines 52 to rock about the axis of the rods. Transverse support members 60 are positioned about the circumference of the reel 36 near the rods 50 and sheet metal pillar plates 62 are removably disposed between adjacent support members. The pillar plates have their convex side facing outwards with the trailing end of each plate bolted to the respective support member 60 and the leading end which is nearer the reel shaft 38 being secured to the end plates 44, 46 by fasteners 66. The reel is on a cropmowing and conditioning machine comprising a floating type header, knock down bar 24 and conditioner rollers 28, 30 and is adapted to be mounted on a tractor.
Patent GB-1230973-A (GB)
IPC: C10L7/02
Filed: 1967-06-20
Abstract: 1,230,973. Gelled hydrocarbon fuels. IMPERIAL CHEMICAL INDUSTRIES Ltd. 12 June, 1968 [20 June, 1937], No. 28446/67. Heading C5G. An aircraft fuel for an internal combustion engine comprises a hydrocarbon liquid and polymeric material which is solvated thereby, and which contains polar groups which form associative bonds, the resulting cross-linked polymer structure causing the liquid to gel. The polymer may constitute 0À1-10% by wt. of the fuel. A soluble or swellable polymer may be used; in the former case particles of non-solvated combustible material or of a swellable polymer, containing complementary polar groups, may also be included. For predominantly aliphatic hydrocarbons suitable polymers are those of long chain esters and ethers of unsaturated or aromatic alcohols, and of alkenes. For aromatic hydrocarbons similar polymers and those of shorter chain analogues are suitable, as well as polyvinylbenzenes. The polymer may be a copolymer with a suitable polar comonomer, many of which are disclosed. Instead of an addition polymer, a condensation polymer such as a polyester, aromatic polyether or aromatic hydrocarbonate may less preferably be used. The hydrocarbon liquid may contain a minor amount of an ether, ester, ketone or nitroparaffin solvent. In examples, the hydrocarbon liquid is kerosene, decahydronaphthalene, kerosene mixed with acetone/isopropanol, or a xylene/aliphatic hydrocarbon mixture; acrylate and/or methacrylate copolymers or a maleic anhydride/styrene copolymer are used, polar functions being introduced either as amine, quaternary ammonium, carboxyl or hydroxyl groups in the polymer(s), or by the addition of carbon black, N-cocohydroxybutyramide, calcium acetate, zinc acetate or propane sultone.
Patent GB-1237997-A (GB)
IPC: B29D30/06
Filed: 1970-03-18
Abstract: 1,237,997. Moulding tyres. FIRESTONE TIRE & RUBBER CO. 18 March, 1970 [14 April, 1969], No. 13153/70. Heading B5A. A mould for centrifugally casting tyres, e.g. of polyurethane, includes rotary and axially movable halves 23, 24 which, when brought together receive a tread design insert 29 and a core assembly comprising a rubber bag 33 supported in its extended moulding position by a metal annulus comprised by a number of hollow metal form members 40 forced radially into the bag. The annulus includes flanges 49 which engage a cylindrical support 54 on the mould half 24. In a modification, the tread design insert extends to the bead areas of the tyre and has ribs engaging within grooves in the inner surfaces of the mould halves. The form members may similarly be ribbed to engage within grooves in the inner surface of the bag, and are, during the moulding process, bolted to a cylindrical support.
Patent GB-1250074-A (GB)
IPC: C10G25/03
Filed: 1969-02-06
Abstract: 1,250,074. Separating hydrocarbons. ESSO RESEARCH & ENG. CO. 6 Feb., 1969, No. 6438/69. Heading C5E. A process for separating single-ring naphthenes from mixtures of said naphthenes and at least one constituent from the group consisting of aromatics, multiple-ring naphthenes, normal paraffins, isoparaffins, and hydrocarbons substituted with at least one polar group comprises contacting said mixture with a lithium-type molecular sieve having uniform pore openings of 6À5 to 15 Š in an adsorption zone whereby the said single-ring naphthenes are selectively adsorbed. The feedstock may be a kerosene or lubricating oil in which single-ring naphthenes are undesirable. The adsorbed naphthenes may be desorbed by displacement with NH 3 , SO 2 , CO 2 , C 1  to C 5  alcohols, ethylene or propylene glycol, methyl chloride, ethyl chloride, nitromethane or a primary, secondary or tertiary amine, or by lowering the pressure, raising the temperature, or purging with an inert gas.
Patent GB-1250498-A (GB)
IPC: C08K5/57
Filed: 1968-10-15
Abstract: 1,250,498. Polyorganosiloxane elastomers. COSAN CHEMICAL CORP. 15 Oct., 1968, No. 48804/68. Heading C3T. Silicone rubber is cured by using 0À1 to 5% by weight of the base polyorganosiloxane of a " Harada complex" " of empirical formula R 2 SnA 2 .R 2 SnO in which R is a C 1-8  alkyl radical and A is a C 1-22  carboxylic acid radical, e.g. basic dimethyltin oleate, basic dimethyltin laurate, basic dibutyltin oleate, basic dibutyltin oleate, basic dioctyltin oleate or basic dioctyltin laurate. The compositions may be cured at room or elevated temperatures, e.g. 100‹ C.
Patent GB-1251430-A (GB)
IPC: C07C51/42
Filed: 1969-11-26
Abstract: 1,251,430. Purifying hydroxy acids. RHONEPOULENC S.A. 26 Nov., 1969 [28 Nov., 1968], No. 57923/69. Heading C2C. [Also in Division C7] For purifying x-hydroxy acids contained in the mother liquor obtained by oxidizing α- olefines with HNO 3  and/or NO 2 , e.g. lactic acid prepared from propylene, followed by removing part of the HNO 3 , the mother liquor is fed into a dilution compartment, while water or an aqueous solution of a mineral acid, e.g. HNO 3  is fed into a concentration compartment, of an electrodialysis cell, and an aqueous solution containing all the HN0 3  initially present in the liquor is removed from the concentration compartment and an aqueous solution containing the x-hydroxy acid free from HNO 3  is removed from the dilution compartment. The dilution stream is preferably recycled into the dilution compartment. The cell preferably comprises an alternating series of concentration and dilution compartments between a cathode compartment and an anode compartment, the compartments being separated by alternating cationic and anionic membranes, the ones adjoining the cathode and anode compartments being respectively a dilution and a concentration compartment separated in both cases by cationic membranes. The electrode compartments may be fed with an aqueous solution of HC1, H 2 SO 4 , H 3 PO 4  or HNO 3 . The anode may be platinized Ta and the cathode stainless steel.
Patent GB-1257496-A (GB)
IPC: F03C1/40
Filed: 1969-04-11
Abstract: 1,257,496. Hydraulic reciprocating pumps. SPERRY RAND CORP. April 11, 1969 [April 15, 1968], No. 18621/69. Heading F1A. In a swash-plate pump, or motor, noise emission is reduced by providing an air cavity 66 between outer and inner housings, which include domes 14, 24 separated by a flexible bushing 44, acoustic seals 212, 218, 220, 230 being provided at bosses 171, 104, 102 and a drive-shaft 124, respectively. Shaft vibration is minimized by a central bearing 194 in block 28 supported by flexible mounts 47 and containing arcuate inlet and outlet ports 90, 92 for the working fluid, which ports communicate sequentially with ports 76 for cylinders 72 in a rotary barrel 70. Pistons 74 are pivotally attached to shoes 82 in sliding engagement with a plate 86 within a yoke plate 153 that can be tilted upon trunnions 154, 156 by an actuator 165 against the action of a compression spring 176. Discharge pressure is applied to the piston 168 of the actuator and optionally to a piston 182 on a spring guide 178 through passages 172, 186. The barrel 70 and the shoes 82 are wiged in opposite directions by a compression spring 126, thrust being transmitted to the shoes through rods 136, a collar 120 and a cage 108. An impeller 208 augments the flow of lowpressure fluid through the port 90.
Patent GB-1264587-A (GB)
IPC: C22C19/07
Filed: 1970-03-05
Abstract: 1,264,587. Cobalt based alloy. UNIVERSITY OF MICHIGAN REGENTS OF. March 5, 1970 [March 12, 1969], No.10684/70. Heading C7A. An alloy comprises by weight per cent: Cr 20-28 Ni 10-20 Mo (+ W if present) 3À7-4À1 C 0À18-0À22 Co balance (43À65-66À12) and has an elongation of at least 10% and a toughness (product of percentage elongation and UTS in psi divided by 100) of at least 9, 000. Also present may be Fe (up to 2%), Si (up to 1%), Mn (up to 1%), B (up to 0À01%) S (up to 0À02%). The presence of phosphorus should be avoided. The alloy may be used for making dentures.
Patent GB-1264649-A (GB)
IPC: B23D51/01
Filed: 1969-10-08
Abstract: 1,264,649. Backsaws. STANLEY WORKS (GREAT BRITAIN) Ltd. 7 Jan., 1971 [8 Oct., 1969], No. 49475/69. Heading B5L. The rear edge portion of a backsaw blade 1 is shaped to provide a longitudinally extending stiffening rib or ribs, and a back of synthetic plastics, e.g. polypropylene or impact resistant polystyrene, is moulded on to the blade over the ribbed portion. The saw may be made by punching or drilling holes 3 in the blade 1, bending the blade to form the rib or ribs, supporting the saw in a mould, pouring plastics into the mould to form the back and flow through the holes 3, and allowing the plastics to set around the blade. A handle may be moulded integrally with the saw back.
Patent GB-1266399-A (GB)
IPC: B21C37/12
Filed: 1969-12-29
Abstract: 1,266,399. Making pipes; coiling helices. VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY I PROEKTNO-KONSTRUKTORSKY INSTITUT METALLURGICHESKOGO MASHINOSTROENIA. 29 Dec., 1969 [27 Dec., 1968], No. 63091/69. Headings B3A and B3E. Apparatus for making a double layer welded pipe includes means for preparing strips 3, 4 for welding and groups of rolls 5, 6 and 7, 8 for feeding the strips into a forming and welding device 9, the rolls of one group being mounted at an angle (#) to the rolls of the other group, Fig. 2 (not shown). The angle (#) is set at a value which results in the strip 3 being fed at a higher speed than the strip 4 to eliminate slipping between the strips. The rolls 7, 8 are mounted on a frame 11 which is pivotable about a fixed axle 13, the angle (#) being varied by an electric drive 14. The welding gap of the strip 4 is adjusted by rotating a frame 24, on which the pipe is guided by rests (27), Fig. 5 (not shown), or by simultaneously rotating the frame 24 and a base 22, on which is mounted the forming and welding machine 9. The weld seams are staggered axially to prevent burning through when welding. The apparatus also includes feed means for each strip comprising straightening and width trimming means together with end cropping and welding means for joining strips end-to-end, Fig. 1 (not shown). The strips may be of different metals or metals with different mechanical properties.
Patent GB-1289931-A (GB)
IPC: H01J9/38
Filed: 1971-01-06
Abstract: 1289931 Manufacturing cathode-ray tubes RCA CORPORATION 6 Jan 1971 [6 Jan 1970] 598/71 Heading H1D A method of manufacturing cathode-ray tubes comprises sealing a faceplate panel to a funnel to form an envelope, soon afterwards flushing the envelope with a non-contaminating gas, inserting a getter while maintaining the non-contaminating gas in the envelope and thereafter exhausting and sealing the envelope. The flushing is preferably done within an hour of sealing the faceplate panel and the gas preferably has a dew point not greater than 0‹ C., e.g. warm dry airor nitrogen. Theenvelopemaybetemporarily sealed after introducing the gas and before inserting the getter. A device suitable for introducing the flushing gas is described.
Patent GB-1297974-A (GB)
IPC: F02D3/02
Filed: 1969-12-12
Abstract: 1297974 Regulating I.C. engines ROBERT BOSCH GmbH 12 Dec 1969 [14 Dec 1968] 60637/69 Heading F1B In a device for regulating the fuel-to-air ratio in a spark-ignition fuel-injection I.C. engine, a baffle plate 2, Fig.1, and attached rod 11 both located upstream or downstream of throttle valve 3, are moved axially against the action of spring 18 by the air passing through induction pipe 1. This movement causes a spindle 15, Figs.1 and 2, and attached three-dimensional cam 32 to  rotate the control a fuel metering device (not shown) via follower 35, pivoted lever 34 and rod 36. The pivot point of the lever may be adjusted by a temperature-responsive element, Fig.9 (not shown), to provide additional fuel at starting. However, the main function of the temperatureresponsive element as shown at 21 is to adjust the position of a piston 25 which closes an airflow passage 24 by-passing the throttle valve 3 when the engine is hot. Moreover, the element 21 increases via rod 22 and lever 19, the return force applied by spring 18 with increased engine temperature so that the fuel-flow is reduced accordingly. The return force may instead be adjusted in accordance with engine load. The fuel-flow is also adjusted as a function of the movement of throttle valve 3 by axially moving cam 32 along spindle 15 via cam 27 and lever 28, or via forked lever (27<SP>1</SP>), a rod (30<SP>1</SP>) and lever (28<SP>1</SP>), Fig.6 (not shown). The other embodiments the by-pass passage by-passes both the baffle plate and the throttle valve.
Patent GB-1307837-A (GB)
Title: Gas purification
IPC: F25J3/08
Filed: 1969-07-16
Abstract: 1307837 Purifying natural gas BRITISH OXYGEN CO Ltd 14 July 1970 [16 July 1969] 35894/69 Heading C5E Impurities, e.g. benzene and C 7  to C 9  hydrocarbons, are removed from a natural gas feedstock, by mixing the feedstock with a solvent hydrocarbon in gaseous state which has in its liquid state a preferential solvent effect on the impurities, cooling the mixture so that most of the solvent and up to 5 molar per cent of the feedstock condenses, and removing the liquified portion from the rest. The solvent, which may be introduced into the feedstock in liquid and allowed to vaporize bejore being cooled, may be one or more of butane, pentane, hexane, propane and propylene.
Patent GB-1308699-A (GB)
Title: Thermosetting resins and electrically insulating fibrous materials containing the same
IPC: H01B3/36
Filed: 1970-06-26
Abstract: 1308699 Laminates WILLIAM H MOSS RESEARCH Ltd 24 Sept 1971 [26 June 1970] 31025/70 Heading B5N [Also in Division C3] Electrically-insulating laminates are made by impregnating an alpha-cellulose paper web with a thermosetting resin varnish, passing it through a hot-air drying oven to produce a web having a resin content of 60% and a volatile content of 5%, cutting the web into sheets which are assembled and consolidated into a laminate using heat and pressure. The varnish comprises a resin prepared by the condensation reaction of a mixture of (i) phenol, (ii) one or more dihydroxydiphenylmethanes and/or one or more bishydroxybenzyl phenols and (iii) HCHO in the presence of NH 3  as catalyst, and industrial methylated spirits.
Patent GB-1326564-A (GB)
Title: Micro-wave transmitter-reiceiver device
IPC: G01S7/03
Filed: 1971-04-28
Abstract: 1326564 Radio transmitter receivers; semiconductor oscillators and mixers SHORROCK DEVELOPMENTS Ltd 28 April 1971 [13 May 1970] 23141/70 Headings H3Q H3T and H4L [Also in Divisions G4 and H1] In a microwave transmitter-receiver device comprising a conductive plate on a dielectric substrate and a printed circuit on the surface of the substrate remote from the conductive plate, the circuit includes a transmitter half-wave resonator 2, a transmitting aerial 12, a transmitter transmission line 11 coupling the resonator and the aerial, a receiving resonator 14, a receiving aerial 16 and a receiving transmission line 11, coupling the receiving aerial to the receiving resonator and the transmission lines 11 are so formed and located as to act as a directional coupler. A microwave oscillator device 1 such as a Gunn Impatt or LSA diode is mounted on the half wave resonator 2. Bias is fed to the device 1 by a low pass filter 6 formed by a line 5 and a #/4 line 4. A f.m. modulation signal or tuning bias is applied at 9, 10 to a varactor diode 8 so as to vary the oscillator frequency. The output from the oscillator 1 is fed via a 1 : 1 impedance transformer 7, a 20 dB backward directional coupler 11 and a double #/4 line 22 having a #/2 delay to a transmitting aerial dipole 12. An opaque window 23 is formed in the substrate and a reflective plate (not shown) is provided so as to enclose the dipole on all sides but one so as to make the aerial directional and provide transmission through the window 23. The receiving dipole 16 has a similar reflective plate and a window 25. The received signal is fed from the dipole 16 via a double #/4 line 24 having a delay, a #/2 impedance transformer 17 and the directional coupler 11 to a Schottky barrier mixer diode 13 of the receiver. The diode 13 is mounted on a tuned resonator 14 and is fed with bias via a low pass filter 20 formed by line 19 and a #/4 line 18. A low frequency output is obtained at 21. A screening cover may be placed over the microwave transmission line circuit and a protective varnish coating may be applied over the circuit. The arrangement may be used as part of a speed or obstacle detecting device such as a Doppler radar intruder detector in which case it may be mounted on a universal joint in a box with a cover which is opaque to light but which is transparent to radio waves. Also the device may be used to determine the distance of stationary targets by frequency modulating the carrier by the varactor diode.
Patent GB-1330754-A (GB)
Title: Electrical machines
IPC: H02K19/36
Filed: 1971-03-13
Abstract: 1330754 Measuring current GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY ENERGETICHESKY INSTITUT IMENI G M KRZHIZHANOVSKOGO and NAUCHNO-ISSLEDOVATELSKY INSTITUT PRI ZAVODE ELEKTROTYAZHMASH 13 March 1971 6823/71 Heading G1V Also in division H2] A rotary electrical machine set comprises a generator 1 Fig 1, (not shown), an exciter (2), a mechanical coupling (3) between the generator and exciter shafts 7, 8, electrical conductors 9 traversing the coupling to inter-connect the rotor windings of the generator and exciter, and a stationary winding 13 surrounding the coupling and cooperating with the conductors 9 to provide an output representative of the conductor current. The stationary winding 13 is a three-phase ring winding Fig.3, (not shown) wound on a split annular core 11.
Patent GB-1340194-A (GB)
Title: Governor mechanism
IPC: F02D1/04
Filed: 1970-05-28
Abstract: 1340194 Speed governors SIMMS MOTOR UNITS Ltd 17 May 1971 [28 May 1970] 25665/70 Heading G3B A speed governor mechanism comprises a pair of part-hemispherical weights 13 pivotally mounted by legs (14) Fig.2 (not shown) to a pivot pin 15 carried on a rotary shaft 10 such that, when the shaft is stationary the centres of masses lie on radii to the pin which are inclined to the axis of the shaft, and as the speed of the shaft increases the radii move towards a normal to the axis. The weights act against a muff 17 in opposition to a leaf spring 12 which is pivotally mounted at one end with a reaction member (not shown) acting intermediate its ends to provide adjustment of the leverage.
Patent GB-1345297-A (GB)
Title: Continuous polymerisation reactor
IPC: B01F7/00
Filed: 1972-03-23
Abstract: 1345297 Mixing apparatus; polymerisation reactor N A MIKHALEV and B P SHTARKMAN 23 March 1972 13608/72 Headings B1C and B1X [Also in Division B5] A mixer or polymerisation reactor has rotatable discs 7 interdigitating with stationary end discs 1, 4 and intermediate discs 2, 3; the rotatable discs have spiral grooves on both surfaces and the stationary discs have radial grooves which receive screws 19 the threads of which engage in the spiral grooves (see also Fig. 2, not shown), the discs 7 and screws 19 being driven in synchronism. Both spiral grooves and screws 19 may have more than one start. All the discs have chambers as at 17 for a heat exchange fluid, those with rotating discs being supplied through passages 18 in the shaft 6. Materials enter at 15, 16 and pass round the peripheries of the rotatable discs 7 and between the shaft and the inner sides of the stationary discs. The product may be discharged by a screw 9 to a shaping member 23. The stationary disc 3 has bevelled radial slots 21 (see also Figs. 4 and 5, not shown) and a chamber 20 subject to reduced pressure for removal of volatiles. As shown, the periphery of the rotatable discs 7 and the external surfaces of the distance sleeves 8 are slightly eccentric to the axis of rotation and are cleaned by resilient scrapers 13, 14; alternatively they may be coaxial and the internal surfaces of the stationary discs and of the rings 5 eccentric. The disc temperatures can be individually controlled and when operated as a polymerisation reactor at least four temperature zones are established; in the first the material is heated to reaction temperature, in the second the heat of exothermic reaction is removed, in the third residual monomers and other volatiles are removed, and in the fourth the melt is conditioned suitably for extrusion moulding.
Patent GB-1345712-A (GB)
Title: Device and method for measuring earth resistance
IPC: G01R27/18
Filed: 1970-12-09
Abstract: 1345712 Measuring earth resistance NATIONAL RESEARCH DEVELOPMENT CORP 8 Nov 1971 [9 Dec 1970] 58555/70 Heading G1U Earth resistance is measured by injecting a stabilized alternating current into the earth by a first pair of electrodes C, sensing the resulting potential across a second pair of earth electrodes P amplifying 6 the sensed potential by a pre-set scale factor, rectifying 7 the resulting signal and displaying it on a meter 8 provided with a reference voltage source 9 which can be used to offset the zero of the meter.