baber/WOPTO huggingface dataset:
Patent GB-1356754-A (GB)
Title: Spindle screw drive
IPC: F16H25/22
Filed: 1972-06-29
Abstract: 1356754 Screw and nut gearing A MANNESMANN 29 June 1972 [17 July 1971] 30575/72 Heading F2Q In a screw and nut mechanism the nut assembly comprises nuts 2 and 3, nut 2 having a ring 4 rotationally fixed to it by a key 9 (although this ring may be replaced by a flange formed on the nut), and nut 3 also having a ring 5 (or flange) with teeth 7 on its outer periphery engaged by one or more worm screws 6 in the ring 4 so that rotation of screw 6 causes relative rotation of the nuts and so varies the tensioning of the nut assembly on the screw. The worm screw may be replaced by a rack.
Patent GB-699303-A (GB)
Title: Improvements in or relating to process of recovering copper from copper-bearing material
IPC: C22B7/00
Filed: 1950-12-15
Abstract: A process of recovering copper from copper-bearing materials by treating the material with an ammoniacal leach liquor is characterized by continuous operation of the following steps: (a) effecting relative bodily movement, e.g. at a speed of 0.01-5.0 ft./sec. over the material of a leach liquor initially containing not more than about 100 grams of cupric copper per litre, (b) withdrawing leach liquor, (c) subjecting one portion of withdrawn liquor to a known cuprous-cupric oxidation and returning it to the leaching operation, (d) subjecting another portion of withdrawn liquor, preferably after reduction of the copper to the cuprous condition, to treatment with a non-sulphidizing reducing gas for sufficient time to effect partial precipitation of copper of a purity of at least 99.9 per cent and recycling the residual copper content.  The leach liquor from which copper has been taken may be divided into two parts from one of which gases, including ammonia, are stripped and dissolved in the remaining part, or in part of the stripped liquor or in a mixture of stripped and unstripped liquor, the resulting copper and/or ammonia-containing liquor being preferably oxidized to convert any cuprous copper to cupric and returned to the leaching operation. Prior to stripping, that portion of the spent leach liquor which is to be stripped may first be treated with sufficient reducing gas to effect substantially complete precipitation of copper, the precipitate of impure copper being returned as copper-bearing material to the leaching operation.  In a further modification, where leach liquor contains substantial amounts of zinc or other dissolved metals, that portion of leach liquor to be treated with reducing gas is divided into two parts from one of which copper of at least 99.9 per cent purity is precipitated while from the second the copper is substantially completely precipitated and returned to the leaching operation.  The leach liquor may then be subjected to the above-mentioned ammonia stripping operation.  The reducing gas used in the precipitation of copper may be carbon monoxide or a gas containing carbon monoxide in which case partial precipitation is effected within the range of 250 DEG F-350 DEG F and complete precipitation within the range 250 DEG F-400 DEG F.  The leach liquor may be presaturated with carbon monoxide and the pressure and temperature then raised to effect precipitation.  When hydrogen or a gas containing hydrogen is used partial precipitation may take place within the range 350 DEG F-450 DEG F and complete precipitation within the range 350 DEG F-500 DEG F.
Patent GB-725538-A (GB)
Title: Improvements relating to fluid pressure actuated load variable vehicle brakes
IPC: B60T8/18
Filed: 1953-11-06
Abstract: 725,538. Aircraft undercarriages. WESTINGHOUSE AIR BRAKE CO. Nov. 6, 1953 [March 27, 1953], No. 30727/53. Class 4. [Also in Group XXXIV] In the load responsive brake system for aircraft, the wheel unit 1, 2, 3, supports the airplane structure 20 through rod 8 and piston 44 in the casing 42. Hydraulic fluid in chamber 45 is thus pressurized by piston 44 in accordance with the load on the wheel strut 8 and this pressure is transmitted by pipe 47 to a cylinder 40 having a piston 39 which applies a thrust through rod 38 to roller follower 32. The follower 32 bears against a cam sector 35 which may be rotated by a handle 37 so as to transmit a proportion of the thrust on rod 38 to a rod 31 which acts upon a piston 22 to compress liquid in a cylinder 18. The pressure created in this liquid is transmitted by conduit 25b to a brake applying piston 13. The pressure in chamber 14 of the brake cylinder 12 is thus at all times proportional to that existing in chamber 45 above the piston 44 and proportional to the aircraft wei ht load. During take-off, however, to release the brakes, the cam sector 35 is turned to a vertical position by the handle 37 so that no thrust is transmitted from rod 38 to rod 31 and the pressure in the brake cylinder 12 is only that of the static head of a reservoir 11 resisted by spring 15. During a landing run, as the weight of the airplane structure 20 bears upon the wheels, the pressure in chamber 45 will vary and the movements of piston 44 will cause a valve member 51 having recesses 52 and 53 to move from a lap position or to connect either reservoir 11 or an accumulator 9 charged by a pump 10 with the chamber 45. Corresponding thrust and displacements will then be transmitted through the rods 38, 31 to piston 22 in cylinder 18. This has secured to it a valve member 28, similar to the valve member 51 for piston 44, which governs the connection of the accumulator 9 and passage 27 or the reservoir 11 and the passage 26, with the chamber 23 and passage 25 leading to the brake cylinder. The brake force is thus automatically varied with wheel load subject to the control by handle 37 which may set the cam slope to give the required pressure from a NO APPLICATION to a FULL APPLICATION position.
Patent GB-373058-A (GB)
Title: Improvements in the construction of bodywork for motor or other vehicles
IPC: B62D29/02
Filed: 1931-11-06
Abstract: 373,058. Vehicle bodies. DASTE, M. J., 12, Rue Pierre Lhomme, Courbevoie, Seine, France. Nov. 6, 1931, No. 30798. Convention date, Nov. 17, 1930. Addition to 368,512. [Class 108 (i).] In the vehicle body-work described in the parent Specification alternative forms of flexible joints are described. In Fig. 1 showing the connection of a pillar l<1> with the floor a<1> the rubber 2 is enclosed in a casing 1 secured to the floor, the rubber being without initial deformation. A pin 3 with end enlargement 3a and sleeve 3b is provided secured through plates 6 to the pillar l<1> a nut 4 being provided to compress the rubber 2. In another form rubber prisms 23, 24 are secured in a casing 21 and cover 26 so arranged as to give compression to the prisms. The casing and cover are secured to the pillar while the floor a<1> is jointed to the pillar by the bracket 22, the prisms 23, 24 being partially out of contact with the walls of the casing and cover. A buffer 25 is provided. In other forms the rubber may be initially compressed radially and extended longitudinally or vulcanized or otherwise caused to adhere to the enclosing casing. Fig. 8 shows the front of a roof secured to the windscreen header, the roof comprising parallel beams 11, 12 at the front and part of the joint being secured by casing 15 to the beam 12 while the pin 18 is carried by a bracket 14 on the header r. Three such joints in axial alignment are provided.
Patent GB-360619-A (GB)
Title: Improvements in and relating to welting and method of making the same
IPC: A43B15/00
Filed: 1930-10-15
Abstract: 360,619. Welts for boots &c. BARBOUR, P. E., 176, Adams Street, Quincy, Massachusetts, U.S.A.-(Assignee of Barbour, W. G. ; 176, Adams Street, Quincy, Massachusetts, U.S.A.) Oct. 15, 1930, No. 30890. Convention date, Aug. 2. [Class 17 (ii).] Stitchdown welting and lighter weights of Goodyear and other welting are made by skiving from the grain face of a grain fillet a ribbon 12 of substantially paper thickness, feeding this forwards from a roll simutaneously with a flesh fillet 16 cemented on its upper surface, preferably with latex, and which is also fed forwards between guide means, and pressing the two parts into contact to form a composite strip from which welt strips may be cut. The grain face of the strip may be very lightly skived, and recoloured and redressed in any desired manner.
Patent GB-731904-A (GB)
Title: Improvements in or relating to fluid heaters and to a method of heating fluid
IPC: F22B21/34
Filed: 1953-11-09
Abstract: 731,904. Furnaces. BABCOCK & WILCOX, Ltd. Nov. 9, 1953 [Nov. 10, 1952], No. 30927/53. Class 51 (1). A steam generator furnace comprises a main furnace chamber 2 fired through burners 17 with gaseous or liquid fuel and having water-tube walls and a gas outlet at' the top, together with an auxiliary, slag-tap, furnace chamber 1 disposed below the main chamber and fired with pulverulent fuel, the gases from the auxiliary chamber discharging upwardly into the main chamber. The auxiliary chamber is of rectangular cross-section and has corner burners comprising fuel and air nozzles 6, secondary air nozzles 7, and fly-ash nozzles 8. In operation, gases from the auxiliary chamber 1 flow past a slag screen 15 into the main furnace, and it is stated that the incandescent particles in these gases cause the fuel in the main chamber to burn with a luminous flame.
Patent GB-429086-A (GB)
Title: Improvements in or relating to wrapping devices
IPC: B65B11/54
Filed: 1934-10-29
Abstract: 429,086. Wrapping-machines. SAPAL SOC. ANON. DES PLIEUSES AUTOMATIQUES, 54, Avenue Dapples, Lausanne, Switzerland. Oct. 29, 1934, No. 31022. Convention date, Nov. 1, 1933. [Class 94 (i)] In wrapping-machines comprising brushes through which an article and a wrapper are pushed to effect the preliminary wrapping, the brushes are mounted on a carrier 1, Fig. 2, adapted to be adjustably mounted in the machine by means of sockets 2 and set screws. Offset parallel slots 3 are provided by means of which intermediary members carrying arms 6 transversely slidable therein may be adjustably secured. The arms 6 carry the brushes, which are each in two parts 8, 9, and are fixed by means of bolts and nuts 7. As shown in Fig. 2, rectilinear brushes 9 and angular brushes 8 form a substantially rectangular opening 10. The ends of the brushes are forked so that they may be adjusted as in Fig. 3 to form a diamondshaped opening 10. In another arrangement, the brushes 9 may be dispensed with, and the brushes 8 set to form a small square opening.
Patent GB-1213440-A (GB)
Title: Copper-nickel alloys
Inventor: BADIA FRANK ARTHUR
IPC: C22C9/06
Filed: 1969-06-19
Abstract: 1,213,440. Copper alloys. INTERNATIONAL NICKEL Ltd. June 19, 1969 [July 1, 1968], No.31134/69. Heading C7A. An alloy suitable for use in the form of castings or in the wrought state has a composition within the range Ni 9-38% Cr 1-2À1% Si 0À2-0À7% Fe 0-2À0% Zr 0-0À8% Mn 0-3À0% Tc 0-0À5% Co 0-5À0% Nb 0-1À0% Al 0-0À5% Sn 0-2À0% Zn 0-2À0% Cu and impurities the balance, C as an impurity should be kept as low as possible, preferably below 0À02%.
Patent GB-899673-A (GB)
Title: Improvements relating to bedsteads
Inventor: MOBBS CECIL EDWARD
IPC: F16B12/54
Filed: 1957-10-07
Abstract: 899,673. Bedsteads; mosquito net supports. EVERED & CO. Ltd. Oct. 6, 1958 [Oct. 7, 1957], No. 31324/57. Classes 52(2) and 52(5) The head and foot frames 17 of a bed, together with the side and end bars 13, 11 of the mattress frame are constructed of disconnectible bars or tubes to facilitate transport and storage. The end pillars 18 may support a mosquito net frame also of disconnectable parts 31, 32, 38. The bars 13, 11 are furnished with projections 21 and slots 12 engaging complementary formations on lugs 19 on the pillars 18. Rails 22 of the head and foot frames engage the pillars 18 by spigots 23 or U-shaped members 25, vertical bars 26 engaging junction pieces 27 in the rails. Screw-threaded knobs 36 engaging spigots 35 hold the mosquito net frame in position.
Patent GB-227119-A (GB)
Title: Improvements in the manufacture of yeast
IPC: C12N1/18
Filed: 1924-12-31
Abstract: 227,119. Mellemeuropaeisk Patent- Financierings-Selskab Aktieselskab, (Assignees of Hamburger, R., Harting, F., and Kaesz, S.). Dec. 31, 1923, [Convention date]. Yeast is treated to preserve it and increase its raising power by separating it at the end of the normal fermentation, treating the separated yeast in the form of a pulp with a small amount of nutrient-solution almost or completely free from sugar and containing besides readily assimilable nitrogenous food also substances of such a kind as are generated from sugar by fermentation either as intermediate products or as by-products, or substances chemically similar to the carbohydrates, such supplementary treatment lasting for a relatively short time and involving no fermentation. Acetaldehyde, glycerine, pyro-racemic, pyro-tartaric, succinic, citric, oxalic, lactic, glyceric, malonic, or malic acids may be used in the nutrient solution. As nitrogenous yeast foods, extracts of malt germs, filtered autolyzed yeast, asparagine or diastase, may be used. The period of time required for the treatment is reduced by the addition of catalytically acting cations of magnesium, iron, calcium or manganese or anions of phosphoric oxalic, tartaric or hydriodic acids.
Patent GB-869082-A (GB)
Title: Improved one-way engaging device
IPC: F16D41/07
Filed: 1959-09-15
Abstract: 869,082. Ratchet clutches. GENERAL MOTORS CORPORATION. Sept. 15, 1959 [Oct. 2, 1958], No. 31393/59. Class 80 (2). [Also in Group XXXIV] A one-way clutch comprises a series of arcuate cam shoes 18 floating between concentric outer and inner races 12, 10 on the driving and driven members 14, 16, each shoe being formed with a wedge surface 20 between which and the outer race 12 a roller 22 is located. Upon rotating member 14 clockwise the rollers 22, assisted by springs 24, wedge between surfaces 20 and the outer race 12, thus forcing the shoes 18 into frictional engagement with the inner race 10 to connect members 14, 16. During over-running the shoes 18 are carried round with the member 14, centrifugal force lifting them clear of the inner race.
Patent GB-229042-A (GB)
Title: Improvements in or relating to the manufacture of coal gas and water gas
IPC: C10J3/00
Filed: 1923-12-14
Abstract: 229,042. Neath, J., and Chaney, W. Dec. 14, 1923. Producers. - In the manufacture of coal gas and water gas, coal is carbonized in horizontal retorts and the coke gasified in twin producers, the water gas from one producer being mixed with the coal gas from the retorts and producer gas from the other producer, together with some coal gas, being used to heat first the retorts and then the producer generating water gas. The water gas from one producer A enters a chamber J into which the retorts B open, from which chamber the water gas passes either to ascension pipes leading to the hydraulic main or through the retorts to be mixed with the coal gas. Producer gas from the other producer A<1> together with some low grade coal gas passes through ports N<1> to be burned in a combustion chamber surrounding the retorts, the hot gases passing down to the bottom of the setting and round the producer A and thence to a recuperator and chimney. A portion of the producer gas and low grade coal gas may be passed to the hydraulic main. The producers A and A<1> are used alternately to generate water- and producer-gas.
Patent GB-408903-A (GB)
Title: Thermionic oscillator modulator
IPC: H04B15/06
Filed: 1933-11-11
Abstract: 408,903. Valve detecting and modulating circuits. HAZELTINE CORPORATION, 15, Exchange Place, Jersey City, New Jersey, U.S.A.-(Assignees of Wheeler, H. A. ; 18, Melbourne Road, Great Neck, New York, U.S.A.) Nov. 11, 1933, No. 31489. Convention date, Jan. 14. [Class 40 (v).] A pentode valve 12 (which, however, may have further screening electrodes) is employed as a detector-oscillator in a superhetorodyne receiver. Incoming signals are applied between the cathode and the inner grid 12<1> while oscillations are produced with the aid of the cathode, suppressor grid 12<3> and anode 12<a> connected as a triode oscillator, a mixed electromagnetic and electrostatic coupling being provided between the anode and grid circuits to ensure a constant amplitude at different tuning settings. Intermediate frequency oscillations appear in circuit 16. The screening grid 12<2> which is held at a constant voltage higher than the average voltage of the anode minimizes coupling between the oscillator and input circuits. Resistance 19 governs the average anode voltage and the degree of electrostatic coupling between the output and oscillator circuits.
Patent GB-698555-A (GB)
Title: Improvements relating to build-up poles and the like
Inventor: STEWART GAVIN BURTON
IPC: E04H12/10
Filed: 1950-12-29
Abstract: 698,555. Lattice-work poles. STEW ARTS & LLO YDS, Ltd. Dec. 29, 1950, No. 31550/50. Addition to 656,703. Class 20 (i) A spacer for a pole as described in the parent Specification, comprises a plurality of radially extending arms interconnected,. e.g. welded, at their mutually adjacent ends 5 and adapted at their outer ends to be clamped betwen aedjacent lengths of the principals forming the pole. The arms: 1 may be tubular and of rectangular section, or they may be of inverted channel section, and the lower and side walls at the outer end of each arm are cut away, Fig. 3 (not shown), and the top wall 2 of each arm has an aperture 8 to receive spigots of adjacent principal lengths. The arms 1 may slope upwardly slightly to accommodate converging principals, or alternatively the apertures 8 may have slightly inclined bosses. If desired a central aperture may be provided to facilitate stacking, e.g. on a bolt.
Patent GB-1240912-A (GB)
Title: System for regulating the supply of electrical power to a load from an a.c. source
Inventor: BYBEE ROGER W
IPC: G05D23/24
Filed: 1969-06-23
Abstract: 1,240,912. Automatic temperature control. AZTEC INDUSTRIES Inc. June 23, 1969, No. 31564/69. Heading G3R. An automatic temperature control system comprises a heating element fed from an A. C. supply by way of a switching device, the arrangement being such that the switching device is operative to connect the heating element to the supply only at times when the supply voltage is zero. A heating element 36 is fed from an A. C. supply 10, 14 by way of a bridge of rectifiers across which is connected a thyristor SCR2, the element 36 being energized when a gating signal for the thyristor SCR2 is present on a conductor 32. A stabilized control voltage is developed on conductors 12, 22 from an A.C. source 12, 14, for feeding the control parts of the system. A potential devider R2, P1, P2, P3 is connected across the lines 12, 22 a switch SW1 being included to select potentiometer P1 or P2; the potentiometer P1 being controllable to set the desired day time temperature of the system and the potentiometer P2 the night time setting. The switch SW1 may be manually or time controlled. A thermistor 26, sensitive to the heating element 36 provides a variable bias to the base of transistor Q1, thereby, by way of transistors Q2, Q3, to provide a signal at the emitter of unijunction transistor UJT1. This transistor forms, together with capacitor C2, a relaxation oscillator, which triggers a thyristor SCR1 forming part of a memory device. When thyristor SCR1 is turned on, a capacitor C4 discharges and the voltage at a junction 30 drops to zero, this voltage being applied to the base of a transistor Q4 forming part of a NAND gate. When the voltage of the A.C. source passes through zero the voltage on the base of the other transistor Q5 of the NAND gate is also zero. An output then appears at a point 34 of the gate which triggers the thyristor SCR2 to energize the heating element 36. The bridge of rectifiers may be replaced by a pair of reverse parallel connected thyristors or the load 36 may be placed in parallel with the thyristor SCR2 so as to be energized with D. C. In another embodiment the load is arranged to be energized either between terminals 10, 12, or 12, 14.
Patent GB-373930-A (GB)
Title: Improvements in golf clubs and shafts therefor
IPC: A63B53/12
Filed: 1931-11-16
Abstract: 373,930. Golf-club shafts. SPALDING & BROS., A. G., 105, Nassau Street, New York, U.S.A. Nov. 16, 1931, No. 31668. Convention date, Nov. 15, 1930. [Class 132 (ii).] The hollow shaft of a golf club is formed of a helically twisted strip 5 of metal having its edges adjacent the spiral joint 5, between its convolutions welded or otherwise integrally connected. The shaft is tempered and finally ground smooth. The strip preferably tapers in width from the large end of the shaft to the small. The strip may vary in thickness from one end to the other to give the required resiliency.
Patent GB-1109679-A (GB)
Title: Supported refractory wall
IPC: F27D1/00
Filed: 1965-07-26
Abstract: 1,109,679. Supporting furnace walls. GENERAL REFRACTORIES CO. 26 July, 1965 [27 July, 1964], No. 31712/65. Heading F4B. A supported furnace wall or roof structure comprises a plurality of refractory bricks 12 supported by vertically spaced support shoes 16 and individually secured against horizontal movement by hanger assemblies 18 co-moulded therewith, the support shoes and hanger assemblies are attached to the flanges 22 of a plurality of spaced vertical I-beams 14. The support shoes 16 comprise a toe portion 32 for insertion between layers of bricks and includes a pair of upstanding lugs 36 for engagement with a depression 68 in the base of the above adjacent bricks 54 and a heel portion 31 comprised of two outwardly extending arms 40 each having a finger 42 for engagement with said flange 22. The lower part of the heel has a shoulder 44 for abutment with said I-beam 14, and a pair of extending pins 48 for positive location with holes 30 in the flange 22. A space 50 is provided above the shoulder so that the shoe may be canted for disengagement with the I-beam. The hanger assemblies 18 comprise a nut 72 fitted flush with the cold face of the refractory brick 12 and having a bolt 70 threadedly engaged therewith and extending into the brick. The nut and bolt being co-moulded with the brick 12. A J-bolt 78 is also threadedly engaged with the nut 72 and extends outwardly away from said cold face for engagement with the flange 22. In an alternative embodiment the hanger assemblies comprise a J-bolt having an irregularly shaped plain end 82 for co-moulding with the brick.
Patent GB-263616-A (GB)
Title: Improvements in and relating to the protection of rotary converters
IPC: H02K47/08
Filed: 1925-12-16
Abstract: 263,616. English Electric Co., Ltd., and Bolton, R. A. R. Dec. 16, 1925. Addition to 237,730. Cut-out arrangements. - In the arrangement for the protection of a rotary converter 1 against heavy overloads which may produce a flash-over at the commutator of the converter (which is provided with a circuit-breaker 10 on the A.C. side) by means of a relay 5 which trips the circuit-breaker 10 when the voltage across the brushes 3 falls off due to a flash-over, as described in the parent Specification, the relay 5 controls also (and simultaneously) a switch 12, 13 in the D.C. side and/or a switch 16, 17 in the excitation circuit of the converter. The maintaining coils 11, 13, 17 are connected in series with one another, with the relay 5 and the auxiliary source 18. When the relay 5 opens due to a reduction of voltage across its coil 6 all the switches assume the open position simultaneously.