baber/WOPTO huggingface dataset:
Patent GB-208878-A (GB)
Title: A new or improved speedometer and mileage indicator
IPC: G01P3/12
Filed: 1922-11-20
Abstract: 208,878. Saunders, J. E. Nov. 20, 1922. Impulse and momentum speed indicators.-The drive is transmitted to a pulley 10 mounted on ball bearings on the speedometer case 1 and secured to a spindle 36 mounted to rotate in a bush 37 and formed at its inner end with an eccentric cam 33 and a worm thread 44. The cam 33 engages in a recess 35 in a block member 30, Fig. 13, which can slide on a spring 31 adjusta,bly secured to the case, and is adapted to engage and rub against a ring 34 on an inertia wheel 16 actuating a pointer 3. The wheel is normally retained at its zero position by a fine cord 24 anchored at one end to the inertia wheel and attached at the other end to a tensioning device comprising a fine spring 29 mounted on a rod 27 carried by a spring 28. Stops 19, 20 on the casing and the inertia wheel limit the swing of the wheel. Transmission mechanism.-When used on a cycle the pulley 10 is driven through a belt formed by flexible coiled steel wire encased in rubbered cotton from a pulley provided with hook-like ringers adapted to lock with the spokes of the front wheel. Registering distance upon counters. - The thread 44 on the spindle 36 engages a worm-wheel 45, Fig. 7, on a shaft carrying two pins 46 which engage a star wheel 47 fixed to a drum 48 carrying one tooth 49 adapted to drive a contrate wheel 50 actuating an odometer train 51 - - 55, each element of which carries a dial 56. The elements of the train comprise combined contrate and flanged wheels each driving the succeeding member through a single tooth. The odometer train is actuated from the wheel 50 through a pinion 58 divided transversely to its axis each half of this pinion engaging a deep pinion 59. The pinion may be moved against the, pressure of a spring 61 to be freed from the lower halt of the pinion 58 by a cam 62 actuated by a removable fluted pin 67. In the raised position of the pinion 59 the odometer drive from the wheel 50 is broken and the dials 56 of the train may be set to any desired figure by rotating the pinion 59 through its friction connection with the cam 62.
Patent GB-1030632-A (GB)
Title: Apparatus for and method of zero switching
IPC: H02M1/08
Filed: 1964-08-04
Abstract: 1,030,632. Automatic temperature control systems. VAPOR CORPORATION. Aug. 4, 1964 [Sept. 17, 1963], No. 31717/64. Heading G3R. An electric heater 11 controlled by a temperature sensitive element 22 connected in a bridge circuit 54 is arranged to be switched only at the current or voltage zero of the supply. A current or voltage transformer 88 produces through a rectifier 90, a Schmitt trigger circuit 84, 86 and a pulse generator 96 a voltage spike at each current or voltage zero at a coincidence circuit 74, 76 which when a low temperature out of balance signal from the bridge circuit 54 through amplifier 62 and bi-stable amplifier 36 is also present at transistor 74 triggers thyristors 106,108 through a transformer 78. By switching whole cycles, the circuit is stated to give less interference to other apparatus and to eliminate filters in the circuit.
Patent GB-779275-A (GB)
Title: Improvements in tool holders for portable hand-controlled drilling machines
IPC: B23B45/12
Filed: 1954-11-03
Abstract: 779,275. Drilling machine details. STRACHAN, E. C. N., and WATT, F. K., [trading as STRACHAN & WATT]. Oct. 24, 1955 [Nov. 3, 1954], No. 31770/54. Class 83 (3). A tool-holding and feeding device for portable (hand or power-operated), drilling-machines attached to the work by a chain &c. 9, and in which the drill is fed by a screw 6 driven from the chuck &c. of the machine through an adjustable friction-clutch 10, comprises means operable to vary the feed automatically upon the drilling-pressure exerted by the operator being varied. The machine drives the Morsetaper or other shank 5 of the device, which is connected through a key 44 to a drill-socket 4 and through the clutch 10 to the feed-screw 6, a small amount of axial displacement between the socket 4 and shank 5, permitted by the key-slot 43 formed in an extension 11 of the shank 5, enabling the drilling-reaction to pass into the feed screw 6 and load the clutch which, when no slip occurs, drives the screw at the same speed as the shank 5 and drill. The clutch, in a housing 14 secured to the feedscrew 6, comprises plates 15 carrying outward projections co-operating with the splined housing 14, and plates 16 with inward projections co-operating with a groove or grooves in the shank 5. The feed-screw may engage a plain nut or, as illustrated, a quick-release nut constituted by, preferably, four screwthreaded elements 22 separated, against the influence of a spring 23, by pairs of axiallyaligned pins 25, 24, upstanding from a ring 26 and projecting downwardly from the nuthousing 7, respectively. Relative displacement between pins 25, 26 in a circumferential direction, caused by pressing one of a pair of buttons 28 which bear against and rotate the ring 26, expands the nut and releases the feed-screw. The buttons 28 are connected by a pin 29 engaging an annular guide-groove 30 in the ring 26, and a further guide-pin 32 for the groove 30 may be provided opposite pin 29. One end of the chain 9 is connected to the nut-housing 7 by a pin 33, and the other by recesses 80. A thrust-bearing 12 is located between the feed-screw and a collar 19 retained on the drill-socket 4 by a circlip 20.
Patent GB-849210-A (GB)
Title: Seed impregnation
IPC: A01C1/00
Filed: 1958-10-07
Abstract: Seeds such as clover seeds, alfalfa seeds, lima beans and peas are impregnated with finely divided matter, such as bacteria, particularly nitrogen-fixing bacteria of the genus Rhizobium, a symbiotic or beneficial fungus, a relatively insoluble insecticide, fungicide or bactericide, by bringing the seeds at atmospheric pressure into contact with a suspension of the said matter in a liquid such as water, reducing the pressure, e.g. to 1,1 inches of mercury, and then restoring the atmospheric pressure.  The impregnated seeds may be separated from the suspension and dried in air.  The seeds may be immersed or dipped in the suspension or it may be sprayed on them.  The time of contact with the suspension should, preferably, be insufficient to cause swelling of the seeds e.g. about 10 minutes.  The suspension may contain a surface tension depressant such as polyoxyethylene sorbitan monolaurate, substances which promote bacterial or plant growth, bacterial gum and products of bacterial metabolism.  The concentration of bacteria in the slurry may range from 39 x 108 to 39 x 104 bacteria per millilitre.  The seeds may be scarified before they are impregnated.
Patent GB-467891-A (GB)
Title: Chassis for motor driven vehicles
IPC: B62D7/15
Filed: 1935-11-18
Abstract: 467,891. Motor vehicles; spring suspensions. DIXON, F. W. Nov. 18, 1935, No. 31956. [Classes 79 (ii), 79 (iii), 79 (iv), and 79 (v)] [Also in Group XXXII] A motor-vehicle chassis includes a central longitudinal girder frame 1 and steerable front wheels A mounted on separate half-axles 2, 3 universally-connected at their inner ends 7 to the frame and interconnected by steering mechanism so that steering is effected by swinging said half-axles in opposite directions. The rear wheels B may be similarly mounted on separate half-axles 4, 5, and all four wheels may be steered and driven. In the construction shown in Fig. 1, the front and rear half-axles 2 ...5 are connected by links 11 .. 14 to upwardly and downwardly-extending arms 9, 10 on a transverse steering shaft 8, so that the half-axles are swivelled when the shaft is rotated. Springing of the half-axles is effected by transverse springs 21 pivoted to the frame 1 at 22 and bearing slidably at their ends on seats 23 on housings 17 of the half-axles, these housings being connected to the frame by universally-jointed rods 18. The universal joints 7 of the half-axles may be of any suitable type which will permit axial movements of the half-axles during the spring- ing movements. In the construction shown in Fig. 2, the half-axles 4, 5 slide in a casing 24 fixed to the chassis frame, and their inner ends are universally-connected for driving purposes to the hubs 32 of the sun pinions of the differential gear 31. The universal connection comprises blocks 34 pivoted at 40 to the half-axles and sliding in grooves 33 in the pinion hubs 32. The vertical movements of the half-axles are controlled by balljointed links 18 and compression springs 43 which abut against adjustable stops 44 screwed into the half-axles. The slidable connection of the half-axles to the frame makes it possible to maintain substantially constant the distance between the point of contact of each tyre and the connection of the half-axle to the frame. The width of the track may be varied by employing telescopic half-axles. The engine and gear-box may be incorporated as a unit with the chassis frame 1, and where two engines are employed they may be run in opposition to each other so that their reaction torques on the chassis frame counteract each other. According to the Provisional Specification the rear half-axles may be replaced by a pair of wheels close together or by a single wheel.
Patent GB-968712-A (GB)
Title: Improvements in or relating to amplifier circuits
Inventor: CHANDLER DAVID HORACE
IPC: H03F1/36
Filed: 1961-09-06
Abstract: 968,712. Valve amplifying circuits. MARCONI CO. Ltd. July 6, 1962 [Sept. 6, 19611, No. 31962/61. Heading H3W. In a negative feedback voltage amplifier distortion is reduced by producing a voltage dependent upon departure of the output from a fixed relationship to the input, amplifying the voltage so produced and combining it with the output from the main amplifier. Amplifier 3 is provided with negative feedback by means of series input resistor 1 and resistor 2 between amplifier input and output terminals, and a voltage dependent upon deviation of the output from linear relationship to the input is obtained by means of a potentiometer 4, 5 connected between input and output terminals. The voltage is taken from the tapping point of the potentiometer and amplified by a further phase reversing amplifier 23 which is linearized by means of negative feedback over resistor 22. The amplified and phase reversed voltage is combined with the output of the main amplifier by means of a resistive combining networks 6, 7. The further amplifier may alternatively be of the non-phase reversing type, in which the combining network is of a subtractive nature (Fig. 3, not shown). The arrangement may be taken further, the output voltage so first corrected being compared with the input by means of a second potentiometer and the error voltage so produced amplified in a third amplifier and combined in subtractive sense with the first corrected output (Fig. 4, not shown). Other forms of impedance may be used, e.g. resistors 2, 5 and 22 may be replaced by capacitors.
Patent GB-192845-A (GB)
Title: Drilling attachments for milling machines
IPC: B23Q5/04
Filed: 1921-11-29
Abstract: 192,845. Krag, F. K. Nov. 29, 1921. Attachments for drilling.-In a drilling-attachment for a milling-machine a bracket 12 is clamped to the vertical guide by means of jaws 14, 15 and a stud 17, an adjusting screw 18 being provided. The bracket carries a swivelling extension 2 supporting a drill spindle 29 driven from the machine spindle 5 by means of shafts 39, 34 and bevel and toothed gearing. The shaft 39 is tapered to fit the machine spindle and is coupled to the shaft 34 by bolts as shown or by diametrical slots and a spring key 49, Fig. 6, the shaft 34 being turned until the slots are in line. The drill is fed by a hand-operated rack and pinion 31, and an extension 41 supports the drill near its point.
Patent GB-925584-A (GB)
Title: Improvements in or relating to devices for forming screw threads
IPC: B21H3/04
Filed: 1959-09-21
Abstract: 925,584. Rolling. A. P. WARREN. Sept. 21, 1959, No. 32039/59. Class 83 (4). A thread-roll carrier comprises a cup-shaped member and a plate which is releasably secured to the open-side of the cup-shaped member, each part having an opening for a workpiece and a plurality of bearing means for supporting one end of a thread roll. The carrier comprises a part 1 having a U-shaped cross-section and dimples on the exterior for engagement with a die-holder. Projections on the part 1 are located in recesses 11 of an end-plate 2 comprising the second part of the carrier. The end-plate 2 is secured to the part 1 by bolts 5. A slot 8 is provided in the end-plate and the part 1 to effect a fine adjustment of the rolls by compression of the carrier. In a modification the roll axes may be parallel with the axis of the work, the rolls being helically profiled.
Patent GB-209560-A (GB)
Title: A new or improved breathing mask or inhaler
IPC: A62B18/02
Filed: 1922-11-23
Abstract: 209,560. Goldstein, H., (Kiep-Ges., Geb.). Nov. 23, 1922. Inhalers and respirators. -A breathing- mask of the type comprising separate mouth and nose compartments communicating by a valve, has a single inlet in one of the compartments and an outlet in each compartment. The inlet is adjustable and may have a receptacle for inhalants arranged adjacent to it. The mask 1 having an inflatable pneumatic tube 2 to contact with the face is divided into two compartments 8, 9, for nose and mouth respectively, by an internal transverse partition 6 provided with a sliding or other valve 10. The compartments 8, 9 have outlets 12, 13 respectively, and the air inlet 11 is shown communicating with the compartment 8. The size of the air inlet may be varied by means of the slide 14, or a receptacle 15 for inhalants may be slidably mounted adjacent to the inlet.
Patent GB-1481856-A (GB)
Title: Use of reducing gas by solid fossil fuel gasification for direct iron ore reduction
IPC: C21B13/00
Filed: 1974-07-19
Abstract: 1481856 Sponge iron production USS ENGS & CONSULTANTS Inc 19 July 1974 [20 July 1973] 32177/74 Heading C7D In the production of sponge Fe from pelletized or lump ore, reducing gases are formed by gasifying coal, e.g. lignite, such that at least 80% is CO + H 2 , wherein at least a part of the gas leaving the ore reduction furnace is stripped of CO 2 , desulphurized and recycled. The fuel is gasified at 1, fed to dust separator 7, desulphurized at 8 with calcined dolomite or limestone, and fed to the reduction zone 10 of furnace 11. The gas leaving the furnace 11 is scrubbed and CO 2  is removed at 19 with K 2 CO 3  solution, the gas being fed to the newlyproduced gas at the mixing point 5, and, optionally, to the gasifier 1. Some gas may additionally go to the cooling zone 13 of the furnace 11 and hence to the reduction zone 10. The temperature of the gas leaving the gasifier is 2000-4000‹F and on entering the reduction zone is 1200-2000‹F.
Patent GB-341949-A (GB)
Title: Improvements in and relating to the separation of mineral materials, especially coal
IPC: B07B4/02
Filed: 1929-10-23
Abstract: The method of separating granular substances such as coal described in the parent Specification is modified for the treatment of moist materials by using as the separating medium hot air or gases.  The coarse products of the separation may be subsequently further subjected to the process using cold air for the purpose of cooling them and completing the separation. Alternatively they may be subjected to a wet separation such as is described in Specifications 276,723 and 282,874, [both in Class 82 (ii), Washing granular &c.]. In carrying the invention into effect, the hot air or gases are introduced into the separator mainly at a point below the feed, and additional quantities may be introduced with the feed or near the feed point to compensate for the cooling of the main supply.  In the treatment of coal, air or waste gases at a temperature of 400 DEG  C. may be used.
Patent GB-763751-A (GB)
Title: Improvements in or relating to bituminous plastisols
IPC: C10C3/00
Filed: 1954-11-08
Abstract: Bituminous plastisols are prepared by superficially treating pulverulent bituminous particles to reduce their ability to dissolve in a lubricating oil, and mixing with a lubricating oil which will dissolve them at elevated temperature but not normal temperature. Specified are asphaltic bitumen and coal tar pitch of a particle size 0,5 to 200 microns.  The superficial treatment can be by extracting maltenes with solvents e.g. C3-10 aliphatic hydrocarbons, or by coating the particles with e.g. polyvinyl chloride or alcohol, silicone polymers and methacrylate polymers, or the material left after the maltene extraction of the bitumen, cellulose esters or ethers: "Vinsol" (Registered Trade Mark) or "Gilsonite" (Registered Trade Mark) may also be used for the coating.  The particles are obtained by crushing; or atomising a melt into a gas or liquid immiscible with the bitumen; or by impregnating molten bitumen with bubbles of an inert gas and crushing or atomising the product. Before adding the oil the particles may be heated to form spheres and to close surface pores.  Stabilizers, filters and pigments may be present. Articles are coated or impregnated by applying the plastisol and heating to coalesce the particles with the oil.
Patent GB-171895-A (GB)
Title: Method of making shank stiffeners
IPC: A43B23/22
Filed: 1920-11-16
Abstract: 171,895. Bartels, R. E. Nov. 16, 1920. Foot-arch supports. - A method of making shank stiffeners consists in moulding a metal strip 12 with a concave-convex rib 13, attaching said strip by prongs 15 to a semi-flexible blank 10, and then simultaneously moulding the blank and the strip between moulds to curve them longitudinally. The blank 10, which is skived along its margin extends from the heel seat to the " break " of the sole.
Patent GB-323813-A (GB)
Abstract: 323,813. Carpmael, A., (I. G. Farbenindustrie Akt.-Ges.). Oct. 13, 1928. Fungicides.-Seed-grain is immunised by treating it with an alkyl mercury compound in conjunction with a dry diluent which may contain an adsorption agent, a wetting agent or, another fungicide. The compounds employed include alkyl mercuric halides, hydroxides, acetates, sulphates, nitrates, cyanides and thiocyanates. Examples of the invention include the treatment of (1) wheat with 0.3 per cent of mixtures containing (a) 2 per cent ethyl mercuric chloride and 98 per cent talc, (b) 2.3 per cent nbutyl mercury acetate and 97.7 per cent talc, (c) 2 per cent ethyl mercuric chloride 5 per cent sodium isobutyl naphthalene sulphonate and 93 per cent talc; (2) rye with 0.2 per cent of mixtures containing (a) 2.5 per cent n-propyl mercuric bromide, 92.5 per cent talcum, and 5 per cent activates charcoal, (b) 2.5 per cent ethyl mercuric acetate and 97.5 per cent talc; (3) oats with a mixture containing 2.5 per cent ethyl mercuric chloride, 10 per cent copper carbonate and 87.5 per cent kieselguhr. Other diluents specified are silica gel. pulverized brown coal, iron hydroxide and sodium napthol-pitch sulphonate obtained by sulphonating the resinous residue from the distillation of a and # naphthols from a melt of naphthalene sulphonioacids with caustic soda.
Patent GB-604405-A (GB)
Title: Improvements in and relating to tubular elements for electric heating
IPC: H05B3/48
Filed: 1945-11-30
Abstract: 604,405. Making cased electric resistances. SOC. ANON. DES APPAREILS G. A. L. Nov. 30, 1945, Nos. 32445 and 32446. Convention dates, Dec. 24, 1942 and Nov. 29, 1943. [Class 83 (ii)] [Also in Group XI] The heater comprises a metal resistance strip 11 of U-cross-section embedded in magnesia 17 in a tubular metal sheath 16 flattened longitudinally or pressed to a barrel shape.  The Specification as open to inspection under Sect. 91 comprises also punches 25 with concave ends sliding between guides 27 having flat walls to compress the sheath to a barrel shape. This subject-matter does riot appear in the Specification as accepted.
Patent GB-462487-A (GB)
Title: Improvements in the manufacture of olefiue oxides
Filed: 1935-11-22
Abstract: Olefine oxides are obtained by the direct oxidation of olefines in the presence of a catalyst comprising finely divided silver or gold, alone or together or mixed or alloyed with other metals, which has been subjected to a preliminary heating, prior to comminution, to remove catalyst poisons.  The catalyst may be made by disintegrating silver leaf to give a powder passing a sieve of 100 meshes per linear inch.  The powder is then annealed at 400--450 DEG  C. for about 2 hours to give a weakly coherent mass, and again disintegrated to give a fine powder.  It is preferably mixed with water or viscous solutions, e.g. cellulose acetate and applied as a coating to the surface of the reaction chamber, the cellulose acetate &c. being subsequently burned off by heating.ALSO:A catalyst suitable for the direct oxidation of olefines to olefine oxides comprises finely divided silver or gold, alone or together or mixed or alloyed with other metals, which has been subjected to a preliminary heating, prior to comminution, to remove catalyst poisons.  The catalyst may be made by disintegrating silver leaf to give a powder passing a sieve of 100 meshes per linear inch.  This powder is then annealed at 400--450 DEG  C. for about 2 hrs. giving a weakly coherent mass, and again disintegrated to give a fine powder.  It is preferably mixed with water or viscous solutions, e.g. cellulose acetate, and applied as a coating to the surface of the reaction chamber, the cellulose acetate &c. being subsequently burned off by heating.
Patent GB-160577-A (GB)
Title: Parallel vice
IPC: B25B1/22
Filed: 1919-12-29
Abstract: 160,577. Gampe, D. Dec. 29, 1919. Vices.-In vices of the kind adjustably mounted by means of a hemispherical base such as a resting on a concave support e, the support is hollow and contains a rod k mounted on an eccentric sheave h fixed to a spindle g operated by a lever m to raise or lower the rod k so that a ball l, mounted on the end of the rod, is neleased from or pressed on to a seating d in an extension of a cavity b of the base a through which the rod k passes, whereby the vice may be adjusted and locked in adjusted position. A stop u mounted in a recess s<1> in the support e and pressed into the cavity b by a spring v may be withdrawn by a knob to allow adjustment of the vice, or released to locate the vice in horizontal position, the surface of the cavity then bearing against the stop u.
Patent GB-189789-A (GB)
Title: Improved method of producing gas
IPC: C10J1/207
Filed: 1922-11-29
Abstract: In a method of obtaining hydrogen or gas mixtures containing hydrogen the water gas process is combined with the electrolytic production of hydrogen so that the oxygen obtained in the latter process together with steam with or without an addition of air is supplied to a water gas generator, enabling the generator to be operated continuously. The air supply to the producer may be adjusted so as to obtain a gas mixture with the required percentage of nitrogen for the synthetic production of ammonia.