baber/WOPTO huggingface dataset:
Patent GB-1365278-A (GB)
Title: Screw anchors
IPC: F25D23/06
Filed: 1973-05-07
Abstract: 1365278 Screw anchor ILLINOIS TOOL WORKS Inc 7 May 1973 [8 May 1972] 21568/73 Heading F2M A screw anchor comprises a pad 20 having at least one adhesive surface which may be, prior to use, protected by a cover or covers 22, and a plate 10 having a central aperture 14 for a screw 32. Two tabs 16 which have been struck from the plate material project through the pad 20 so as to engage in an aperture 28 of a panel 26. The adhesive pad 20 fixedly maintains the plate 10 in position thereby allowing foamed insulating material 30 to set without disturbing the plate position, the pad 20 sealing the various panel and plate apertures. A bracket 34 may then be fixed in position by the screw 32 which breaks the pad 20 adjacent aperture 14.
Patent GB-389004-A (GB)
Title: Improvements in and relating to axle-bearings and methods of lubricating the same
IPC: B61F15/06
Filed: 1932-07-30
Abstract: 389,004. Axle-bearings. MATTHEWS, E. F., Elm Cottage, Watford Road, Sudbury, Middlesex. July 30, 1932, No. 21570. Convention date, Aug. 12, 1931. [Classes 12 (i) and 12 (ii).] In an axle-bearing for rail vehicles, lubricant from drip edges 4 in the upper brass drops clear of the journal 1 directly on to a lower vertically - a djustable brass 3. The excess lubricant supplied to the journal in this way serves as a cooling means. At low speeds of the journal oil drips from points 8 on a conveyer device 5 on to an extension 9 of the brass 2 whence it reaches the edges 4 by longitudinal grooves 10 and vertical passages 11. At higher speeds, oil is thrown into the part 13 of the axle-box and runs down grooves 14 and from points 15 on to the extension 9. In order to adjust the brass 3, wedgeshaped keys 17 fitting in recesses 16 formed by the brass 3 and projections 23 on the axle-box are moved by the adjustment of set-screws 21 passing through threaded holes in lugs 18 on the keys into the axle-box. The projections 23 ensure the transmission of vertical shocks to the axle-box and projections 24 on the brass 3 interlocking with them ensure the transmission of axial shocks.
Patent GB-1468905-A (GB)
Title: Fresnius w schneider processes for the oxidative destruction of oxidizable odorous  substances in gaseous vehicles
IPC: B01D53/34
Filed: 1974-05-15
Abstract: 1468905 Gas purification W FRESENIUS W SCHNEIDER R FRESENIUS and L FRESENIUS [trading as ERFINDERGESELLSCHAFT FRESENIUS and KUNSTSTOFFTECHNIK GmbH & CO KG] 15 May 1974 [16 May 1973] 21595/74 Heading C1A Odorous substances preset as gases or aerosols in gaseous vehicles are oxidatively destroyed by contacting with an aqueous alkaline solution of ozone. The ozone may either be dissolved in the alkaline aqueous medium simultaneously with the gas washing process, or before said process. NaOH is the preferred alkali. The odorous substances amy further be contacted with an acidic (e.g. H 2 SO 4 ) solution of ozone.
Patent GB-241356-A (GB)
Title: Improvements in blow out arrangements for electric switches
IPC: H01H9/44
Filed: 1924-09-12
Abstract: 241,356. English Electric Co., Ltd., and Bremner, F. D. H. Sept. 12, 1924. Arc-rupturing devices; magnetic blow-outs.-- The principal part of the blowing out of an arc is accomplished by an auxiliary switch situated some distance from the main switch. Fig. 3 shows two main switches 27, 28 combined with one auxiliary switch 16. When either of the main switches is opened, the arc blowm between the horns 1, 2 strikes two edectrodes 8, 9 causing the arc current to pass through the auxiliary switch contacts 12, 13 and an electromagnet 17 which serves both to open the contacts 12, 13 and to blow out the arc formed. Fig. 1 shows a main switch in detail, an insulating barrier 10 of soapstone separating the electrodes 8, 9. Fig. 2 shows the auxiliary switch, the magnet 17 of which has cheeks 19 for blowing out the arc between the horns 14, 15 and a projection 21 for attracting an armature 22 and separating the contacts 12, 13. According to modifications, instead of the two electrodes 8, 9 there m,ay be one, and a separate source may be arranged to energize the auxiliary blow-out.
Patent GB-1275845-A (GB)
Title: System for preventing the escape of fuel vapour from the fuel supply system of an internal combustion engine
IPC: F02M25/08
Filed: 1970-05-05
Abstract: 1275845 Air filters DR-ING hcF PORSCHE KG 5 May 1970 [28 May 1969] 21638/70 Heading BIT [Also in Division Fl] An annular filter element 10 in the air intake filter 6 of an I.C. engine 5 contains activated carbon 11 to absorb fuel vapour escaping from the fuel tank 1 and carburettor or manifold injection system 2 when the engine is inoperative. The element 10 may comprise outer and inner meshes 25, 26 with a folded filter paper 24, carbon 11 and a linen cloth 27 therebetween. The intake air flow is in the direction S. F or intake air flow (R), Fig. 4 (not shown), from the inside to the outside of the element 10, the linen cloth 27 covers the interior of the outer mesh 25 and the carbon is located outwardly of the filter paper 24. The carbon 11 may be arranged in a layer, Fig. 2 not shown, between a filter paper 23 and a mesh supported linen cloth 21. An electric motor 15 may drive a blower 14 to draw vapour into the carbon 11 for a period after the engine is switched-off.
Patent GB-478688-A (GB)
Title: Improvements in gas turbine plant
IPC: F02C3/36
Filed: 1936-08-06
Abstract: 478,688. Gas turbines. SOC. RATEAU, and ANXIONNAZ, R. Aug. 6, 1936, No. 21711. Convention date, Dec. 9, 1935. [Class 110 (iii)] In a gas-turbine plant, gas is compressed in compressors driven by auxiliary turbines separate from the main turbines, and the gases exhausting from one or more turbines pass through a heat exchanger to heat up gas being delivered by the compressors. The compressors may have inter-coolers fitted between each two stages of compression. Fig. 3 shows a number of auxiliary turbines ta<1> ... ta<4> driving compressors c<1> ... c<4> having intercoolers r<1> ... r<3>. The exhaust gases from auxiliary turbines, and main turbines tm<1> ... tm<4> pass to an interchanger e to heat compressed gases delivered to heating chambers having burners f<1>, f<2>. Re-heating burners g<1>, g<2> are supplied. The turbines may be arranged in a series such as tm<1>, ta<1>, tm<2>, ta<2> ... and so on. In Fig. 4, turbine rotors 2, 3 drive compressors c<1>, c<2> and turbine rotors 1, 4 are connected to external gearing 6 ... 8. In a modification, four turbine rotors on four separate shafts, may be fed with gas in series. All the rotors may be arranged in one casing. By fitting valves between each pair of compressors, and also between each pair of auxiliary turbines in series, the first auxiliary turbine may be started up to drive its compressor, then the second turbine and its compressor, and so on. Fig. 7 shows a plant in which thermostats u<1>, u<2> regulate the amount of fuel fed to the burners f<1>, f<2>. A governor 17 on the shaft of the turbine tm controls a valve 18 and thus the amount of air supplied to the burner f<2>. The difference in pressure on the two sides of the valve 18 actuate, through a manometric device 19, a valve 20 in the inlet pipe to the compressor c. The governor 17 may control the quantity of fuel fed to the burner f<2>, and the burner f<1> may be controlled by a thermostat in the combustion chamber leading to the auxiliary turbine. The governor 17 and a thermostat may act on opposite ends of a lever attached to the fuel burner valve f<2>. In another arrangement, an open furnace heater heats the exhaust gases from two auxiliary turbines, on their way to a heat exchanger through which passes the delivery pipe from the compressor. Part of the air only may pass through the furnace or combustion chamber, being rejoined after heating, by a stream which byepasses the furnace. The latter stream may pass through a jacket outside the combustion chamber. In Fig. 16 a chamber 31 is placed to the rear of the combustion chamber 28, to collect unburnt liquid fuel. A screen 32 shields the chamber 31 from the heat of combustion.
Patent GB-1270480-A (GB)
Title: Light source power supply
Inventor: SAIGER GEORGE PETER
IPC: H05B41/19
Filed: 1970-05-06
Abstract: 1,270,480. Lamp starting; voltage multipliers. CONSOLIDATED INTERNATIONAL CORP. 6 May, 1970, No. 21734/70. Headings H2F and H2H. A circuit for starting a xenon lamp comprises a non-inductive voltage multiplier 44, and a starting circuit 24. The starting circuit comprises a relaxation oscillator, consisting of a Shockley diode 92, and capacitor 90 which applies a series of pulses to the trigger electrode of a thyristor 82. When capacitor 78 has charged, the biasing on the thyristor 82 is such that it becomes conducting on receipt of a pulse on line 84. This causes a pulse in the primary of pulse transformer 80 which causes a trigger pulse on electrode 26. The voltage multiplier circuit 44 maintains a voltage across the lamp terminals sufficient to start the lamp when a trigger pulse is incident at electrode 26. The voltage multiplier operates by successively charging capacitors 68, and 70, and then successively charging capacitors 72 and 74, so that at each stage a doubling of the voltage incident on lines 21 and 20 is achieved. Thus the voltage multiplier in effect quadruples the voltage. When the lamp 12 conducts and draws current, the voltage multiplier ceases to act as a multiplier and operates merely as a full wave rectifier bridge. When this occurs the output of lines 28 and 29 to the trigger pulse generator drops to substantially zero. Thus rendering the trigger pulse circuit inoperative once the lamp has been struck. Two lamps may be run off the circuit, connected in series, instead of a single lamp.
Patent GB-499292-A (GB)
Title: Trimming mechanism for sewing machines
IPC: D05B37/04
Filed: 1938-07-22
Abstract: 499,292. Sewing - machines. FAIRWEATHER, W. C. (Singer Manufacturing Co.) July 22, 1938, No. 21766. [Class 112] Actuating means for trimming - mechanism of the Barber type comprises a tubular shaft rotatably mounted on the loop-taker shaft and operated independently thereof. In the arrangement shown, the trimming-knife comprises a horizontal member 25 with a depending cutting lip 26 adjustably fixed to the top of a vertical tubular oscillating shaft 31 having at its lower end an arm 35 with a pin 37 for connection to an arm 46; the latter arm is mounted on a pivot concentric with the shaft 31 and has a downwardly-extending fork 47 engaging the upper end of a lever 50, this lever being oscillated by a cam 63 on a sleeve 54 which is mounted freely on the looper actuating shaft 19 and is driven by a belt 57 from a motor independent of the main machine motor. The pin 37 can be withdrawn against a spring, to put the trimmer out of operation, by a lever 39 which is pivoted on the arm 35 and actuated by a plunger 42 passing through the bore of the shaft 31 ; when the arms 35, 46 are thus disconnected, the knife 25 is moved to an inoperative position by a torsion spring 64 acting on the shaft 31, a finger-piece 66 being provided on the shaft for returning the knife to the operative position when required. Feed.-A feed-wheel 23 is driven by gearing as shown from the vertical shaft which drives the loop-taker shaft; and co-operates with a presser-wheel 24. The needle is laterally vibrated to assist in feeding the work.
Patent GB-712531-A (GB)
Title: Improved detector mechanism for stopping the sheet feeding mechanism of printing machines upon delivery of double sheets
IPC: B65H7/12
Filed: 1951-09-17
Abstract: 712,531. Feeding sheets. COLOR METAL AKT.-GES. Sept. 17, 1951 [Oct. 9, 1950], No. 21814/51. Class 100 (1) Detecting faulty feed.-A mechanism for interrupting the feed of sheets to a printing machine when a double sheet is delivered comprises a pair of spaced rollers 6 disposed in contact with the sheets to flatten them against the conveyor table 4 and a sheet contacting shoe 7 swingably arranged between the rollers and adjustable in the direction of the sheet thickness so that on the simultaneous passage of two sheets it is moved by the sheets against spring action away from the shaft 6a of the rollers and, in moving, causes the closing of contacts 10 putting the sheet feeding mechanism out of action. A bracket 1 has, pivoted at 1b, a forked arm assembly 11 carrying the shaft 6a and having a rearward extension 11e or engagement by a micrometer screw 12 whereby the distance of the rollers from the table 4 can be adjusted. The foot 7 is mounted on a lever 7a pivoted at 7c to the short arm of a bellcrank lever 8. An upward extension 7b of the lever 7a carries an adjustment screw 7e locked by nut 7d and adapted to bear on one of the contacts 10 on displacement of the shoe 7. The position of the shoe is adjusted by a screw 9 so that there is only the thickness of one sheet between it and the table 4. The screw 9 bears on the longer arm 8b of the bell-crank lever. A spring 13 biases the lever 7a towards the shaft 6a. Movement in the opposite direction resulting from the passage of two or more sheets under the shoe causes the screw 7e to close the contacts 10 which actuate a relay to stop the sheet feeding mechanism. Such movement of the shoe is limited by a lug 7g which abuts a stop 1f fixed to the bracket 1.
Patent GB-585750-A (GB)
Title: Improvements in or relating to devices for holding cigarettes when smoking
IPC: A24F13/22
Filed: 1945-08-24
Abstract: 585,750. Jewellery. CARNEY, E. Aug. 24, 1945, No. 21823. [Class 43] [Also in Group VI] A device for holding a cigarette comprises a clip B in which the cigarette is clamped and which is detachable from a finger ring A. Preferably the clip is held by dimples which engage holes in a flange on the ring. The clip may be formed as a hinged clasp to hold a tubular mouthpiece or the cigarette. The device may be made of metal or plastic.
Patent GB-350784-A (GB)
Title: Improvements in or relating to landing gear of aeroplanes
IPC: B64C25/00
Filed: 1930-07-19
Abstract: 350,784. Aeroplane landing gear. SOKAL, S., 1, Great James Street, Bedford Row, London.-(Fiat Soc. Anon. ; 250, Via Nizza, Turin. Italy.) July 19, 1930, No. 21907. [Class 4.] A device for compensating the torque acting upon the struts and caused by the wheel braking is provided in which a torque counteracting the torque of the brake is produced by a lateral displacement of the point of connection of a shock absorber or elastic strut connected to the wheel axle. The point of connection or application of the strut of the shock-absorber 4, 5 with the wheel axle 2 is displaced laterally in order to give a torque countering that due to the application of the brake 6. The shock-absorber is adjusted laterally by means of a wing-nut 3.
Patent GB-717587-A (GB)
Title: Improved process and apparatus for the aeration of liquids
Inventor: SADD JOHN AMBROSE
IPC: B01F3/04
Filed: 1951-09-18
Abstract: 717,587. Aerating liquids. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Dec. 18, 1952 [Sept. 18, 1951], No. 21925/51. Class 86 [Also in Group VI] A liquid such as for example a microbiological medium is mechanically aerated to produce a fine loam which is allowed to persist for a time during which gas-liquid 'interaction takes place, after which the foam is decomposed into liquid and gas which are returned to the aeratior stage and.reformed into foam. In a sealed container 1 for the liquic medium and gas, c rotary shaft 5 carries a tube 8 and a bladec centrifugal impeller 9 which rotates within a bladed stator 7. Depend ing from the stator 7 i: a fixed tube 6 having a self-lubricating bush for the lower end of the shaft 5. Liquid and ga are drawn into the impeller 9 through the tubes 6 and 8 respectively and are formed into a fine foam which is ejected radially from the impeller. The foam travels upwardly through the space surrounding the tube 8 and is agitated by the rotation of the tube 8 which may carry projections to enhance this effect whereby the foam is drained and may be decomposed to some extent. The relatively coarse, dry foam which reaches the top of the space around the tube 8 passes into this tube wherein centrifugal action results in the foam being broken down into liquid and gas which pass into the impeller together with fresh liquid and gas for the formation of further foam. The life of the foam can be controlled by the impeller speed, the height of the tube 8. and a restrictive device 6a at the bottom of the tube 6. The shaft 5 is connected to the armature 10 of an A.C. motor which has windings 11 externally of a closed hollow stainless steel cylinder 4. Fresh gas may be admitted at intervals to replace that used up in the process.
Patent GB-834695-A (GB)
Title: Road barrier
IPC: E01F13/02
Filed: 1957-07-11
Abstract: 834,695. Fencing. FUCHS, W. June 12, 1958 [July 11, 1957], No. 21991/57. Addition to 767,365. Class 45. Portable fencing comprising extensible trellis 3 supported by uprights 1, 2 has each upright provided with a hinge part 9 or 10 engageable by a complementary hinge part on an upright of a similar fencing whereby two or more of the fencings may be articulated together.
Patent GB-605694-A (GB)
Title: A process for the recovery of potassium salts from solutions
IPC: C01D17/00
Filed: 1939-07-28
Abstract: To obtain potassium salts from dilute solutions such as p  sea-water, a soluble salt of dipicrylamine, such as the calcium, sodium, lithium or magnesium salt is added to precipitate the insoluble potassium salt.  The latter is separated and treated with an acid, such as nitric, hydrochloric, sulphuric or acetic acid or with carbon dioxide under pressure, to form the corresponding potassium salt and free dipicrylamine, which is then converted, for instance, into the calcium salt by treatment with a solution of lime.  The mother - liquor from which the potassium has been precipitated is treated with an acid such as nitric acid to set free the dipicrylamine from remaining dissolved salt.  In the treatment of the potassium dipicrylaminate with nitric acid the acid concentration may be below 20 per cent below 30 DEG  C. or 40-50 per cent at above 80 DEG  C., the intermediate ranges being unsatisfactory.  Hydrochloric acid may be used at 36 per cent and sulphuric acid at 79 per cent strength at 20 DEG  C., but hydrochloric acid of 10 per cent may be used at higher temperatures. Quantitative examples are given.ALSO:To obtain potassium salts from dilute solutions such as sea water, a soluble salt of dipicrylamine, such as the calcium, p  sodium, lithium or magnesium salt, is added to precipitate the insoluble potassium salt. The latter is separated and treated with an acid, such as nitric, hydrochloric, sulphuric or acetic acid or with carbon dioxide under pressure, to form the corresponding potassium salt and free dipicrylamine, which is then converted, for instance, into the calcium salt by treatment with a solution of lime.  The mother-liquor from which the potassium has been precipitated is treated with an acid such as nitric acid to set free the dipicrylamine from remaining dissolved salt.  This precipitation is preferably effected by adding the acid in portions at intervals of time such as 10 minutes in order to obtain crystals which are readily separated by filtration.  In the treatment of the potassium dipicrylaminate with nitric acid, the acid concentration may be below 20 per cent below 30 DEG  C. or 40-50 per cent at above 80 DEG  C., the intermediate ranges being unsatisfactory.  Hydrochloric acid may be used at 36 per cent and sulphuric acid at 79 per cent strength at 20 DEG  C., but hydrochloric acid of 10 per cent may be used at higher temperatures. Quantitative examples are given.
Patent GB-502566-A (GB)
Title: Improvements in and relating to electric battery lamps
IPC: F21V23/00
Filed: 1937-08-16
Abstract: 502,566. Switches held set and freed mechanically. GENERAL ELECTRIC CO., Ltd., and RICHARDS, S. W. Aug. 16, 1937, No. 22472. [Class 38 (v)] [Also in Group XI] In an electric torch of the flameproof type adapted for use in explosive atmospheres, the switching means comprise a rod-like operating- member 13 extending through a passage 18 through the torch casing 1 and fitting closely therein, with an annular flange or wall extend. ing downwardly from the head of the member 13 into a deep annular recess 23 containing a compressed helical spring 14 which tends to hold the member 13 in its upper and inoperative position, the arrangement being such that the switching means and adjacent parts of the casing co-operate to form a labyrinth gland and to produce a relatively long and tortuous path from the exterior to the interior of the casing. Depression of the member 13 is effected by a cam member 16 which slides in a guideway on the exterior of the casing, thereby causing a leaf-spring 10 to be pressed into contact with the reflector 2 and close the lamp circuit.
Patent GB-871603-A (GB)
Title: Vacuum-tight electrode lead-in assembly for mercury vapour rectifiers, having an insulator arranged around a lead-in pin
IPC: H01J13/50
Filed: 1958-07-14
Abstract: 871,603. Metal-vapour converters. BROWN, BOVERI & CIE A.G. July 14, 1958 [July 13, 1957], No. 22499/58. Class 39(1). A vacuum-tight electrode lead-in for mercury vapour rectifiers having an insulator 2 which is bell-shaped narrowing above towards a contact point with a lead-in pin 3 and having a sheath-shaped auxiliary electrode 8 arranged about the lead-in pin, is characterized in that a tubular insulator 5 is arranged in such a way that a long narrow gap is formed between the pin 3 and the inner surface of the narrowing part of the bell-shaped insulator 2 and that a part 8a of the auxiliary electrode 8 is beaded over and lies on the inner surface of the narrowing part of the insulator 2. As shown, the leadin pin 3 supports an anode 7, and the auxiliary electrode 8 is a grid supported from terminals 13 provided with insulators 12. The insulator 2 is heated by resistance coils 10 to prevent condensation of mercury vapour on its inner surface.
Patent GB-1072786-A (GB)
Title: Improvements in and relating to universal joints
IPC: F16D3/26
Filed: 1964-06-02
Abstract: 1,072,786. Universal joints. TORRINGTON CO. June 2, 1964 [July 26, 1963], No. 22690/64. Heading F2U. In a universal joint wherein a tongue 14 on one shaft pivots between two part cylindrical slippers 20 journalled in a recess 25 of a yoke 13 fast with another shaft, a first roller bearing 17 between the tongue 14 and slippers 20 and a second roller bearing 22 between the slippers 20 and yoke 13 are preloaded to prevent lost motion and the accompanying fretting. The bearing may be preloaded by making the recess 25 slightly smaller than the tongue and slipper assembly whereby the resiliency of the yoke arms 36 provide the preloading. Alternately or additionally a cover 10 is provided with inclined surfaces 37 which co-operate with similar surfaces 33 on the yoke arms 33 to force the latter together and thus provide the preloading. The bearings 17 and slippers.20 are carried on pivot pins 15 fast with the tongue 14 and hardened bearing races 18, 24 are provided between the bearings 17, 22 and the tongue 14 and yoke 13. Rotation of the bearing cages 16, 21 is limited by stops 26, 29 on the tongue 14 and yoke 13. The cover 10 is secured to the yoke 13 by bending part of the cover into recesses 43 in the yoke or by bending part of the cover over the end of yoke. A sealing ring is provided between the yoke 13 and cover 10 and the space between the tongue shaft and cover opening 38 is closed by a flexible cover (Fig. 3, not shown).