baber/WOPTO huggingface dataset:
Patent GB-206966-A (GB)
Title: Improvements in track signals for tramways
IPC: B61L23/22
Filed: 1922-09-13
Abstract: 206,966. Payne, J. V. Sept. 13, 1922. Electromagnetic actuation.-In a track signal system for tramways &c. a switch-operating solenoid has two unequal windings f, g, which are energized in series with one another and with lamp or other signals c, d, at the ends of the section when a trolley-contact o is closed by au entering car. Winding f produces a field in opposition to, and overpowering, that due to winding g, so that the core h moves into engagement with a contact k, closing a circuit from trolly-wire a through the core h, a metallic tube m in which the cover slides and then as before through winding f, lamps c, d, winding g, and resistance u to earth. The signals are thus maintained after the trolly has left contact o. As the car leaves the section and closes the trolly-contact r, winding f is cut out (since both ends are now connected to wire a) winding g alone being energized, thus moving core h to the left, breaking the circuits and restoring the system to normal condition. As current through contact k ceases before contact is broken, arcing is avoided.
Patent GB-519626-A (GB)
Title: Magnetically-controlled change-speed gearing
IPC: F16D65/18
Filed: 1938-08-25
Abstract: 519,626. Electromagnetic disc brakes. ROVER CO., Ltd., and IVERSEN, P. A. SCOTT-. Aug. 25, 1938, No. 24971. [Class 103 (i)] [Also in Group XXIV] A rotatable element 13 splined to a part 15 of a planet carrier in a change-speed gear carries lightly spring- pressed pawls 16 which are held out of engagement'with the teeth 17 of a stationary electromagnet 10 by centrifugal force until the magnet is energized to brake the element 13. As the element slows down the pawls engage the teeth and prevent reversal of rotation of the element. In a modification the ratchet type of free wheel is replaced by one employing rollers and a cam. According to the Provisional Specification the rotatable element makes a screwed connection with.its support, so that it moves axially into contact with the electromagnet when braked.
Patent GB-336713-A (GB)
Title: Improvements in and relating to safety devices for submarines
IPC: B63G8/41
Filed: 1929-08-15
Abstract: 336,713. Moody, E. L. Aug. 15, 1929. Buoys; sunken objects, indicating position of.- A safety device for a submarine comprises a cylinder 2 welded to the shell 1 of the submarine and having a flared mouth recessed to receive a gasket, a buoy 6, formed of two welded sections and reinforced by welded plates 7, 8 having a bevelled ring 10 co-operating with the flared mouth; guides 5 on the cylinder co-operate with slotted brackets 11 on the buoy. A rod 14 has coarse threads 13 engaging a socket 9 on the buoy and finer threads 15 co-operating with a threaded opening in the shell 1, whereby rotation of the rod frees and lifts the buoy and also moves an enlargement 16 on the rod against the shell to prevent leakage into the submarine; a stuffing- box may also be provided. Tubes 26, 27, 29<1> are welded to the buoy, tube 29<1> terminating within the float and tubes 26, 27 passing through the float and being provided with closures. Hose pipes 25 are connected to the pipes 26, 27, 29<1> and to valved pipes 10, 20, 21 welded to the shell 1 and passing into a compartment 17; a threaded cap may normally close the compartment 17. In use, the buoy is released and floated to the surface, oxygen being forced through pipe 29<1> into the buoy. Pumps are then attached to the pipes 19, 20 and air is then forced through pipes 26, 27 to remove the closures, these pipes then being used for inlet and outlet of air to or from the submarine, or for passing liquid food to the vessel.
Patent GB-1127567-A (GB)
Title: Valve assembly for an applicator for fluids or pastes
IPC: B65D47/24
Filed: 1967-05-31
Abstract: 1,127,567. Valves. G. SCHWARTZMAN. 31 May, 1967, No. 24980/67. Heading F2V. [Also in Division A4] In an applicator head, a supply opening is alternately closed from opposite sides, by different members 34 and (48). As shown, the opening 30 is closed by brush member (48), as cap (68) is screwed down, to bring shoulder 70 into contact with ridge 56. In use, spring 38 urges valve member 34 into sealing engagement with conical seating 32 and shoulder 50 against flange 26. Supply through ducts 60 occurs only while the member (48) is retracted from lange 26, by light contact of bristles 62 with he receiving surface. The head may be made if nylon, rubber or polythene and the brush nember (48) may be made of one of these naterials or of polyvinyl chloride.
Patent GB-1156219-A (GB)
Title: Improved Flexible Handle for Carrier Bags and Boxes
Inventor: NORMAN THOMAS EDWARD
IPC: A45C13/26
Filed: 1967-05-31
Abstract: 1,156,219. Carrier bag handles. THOMAS NORMAN & SON (FALCON) Ltd. 31 May, 1967, No. 25001/67. Heading A4G. A handle for attachment to carrier bags or boxes comprises a band 1 of flexible material having at each end cross-pieces 3 extending laterally beyond and in a plane perpendicular to the side edges of the band, and an upper parallelly spaced lug 4 extending from the outer surface of the band. The pieces 3 pass through and underly slots in two superimposed closure flaps of the bag and lug 4 rests on top of the top flap. The gripping portion 2 of the handle is upwardly concave with portion 7 flat for carrying advertisements or the like. Pieces 3 are reinforced by ribs 5 and the edge of lugs 4 chamfered.
Patent GB-250087-A (GB)
Abstract: 250,087. Bohm, J. J. Aug. 11, 1925, Matches.-A drying chamber 17 through which an endless conveyer 9 moves horiozontally is arranged below a continuous match-making machine and means are provided for varying the temperature and humidity of the chamber. An air inlet 10 is connected both to a pipe 11 leading to the atmosphere and to a pipe 12 leading to a source of hot air, the chamber being brought into communication with fitliar pipe as required. A tank 21 through which the inlet 10 passes may contain a cooling agent such as brine. Three adjustable shutters 13, 14, 15 are provided to direct the air to the lower middle or upper part of the chamber. A humidifying nozzle (not shown) is also provided to introduce water or steam.
Patent GB-1392680-A (GB)
Title: Method of producing shaped hydrated calcium silicate products
IPC: C04B28/18
Filed: 1973-05-25
Abstract: 1392680 Shaped hydrated calcium silicate bodies JOHNS-MANVILLE CORP 25 May 1973 [2 June 1972] 25077/73 Heading C1A [Also in Division C3] CaSiO 3  is formed into shaped bodies by heating a concentrated aqueous slurry of a CaO source and a siliceous material with a water: solids weight ratio of 3 : 1 to 8 : 1 in saturated steam at a pressure of at least 75 p.s.i.g. for at least ¢ hour to form hydrated CaSiO 3  crystals, gradually cooling with water to a temperature below 212 F. and a pressure below 50 p.s.i.g. to form a dilute slurry, forming the dilute slurry into shape and drying. Fibrous materials, e.g. asbestos, rock wool, glass fibre, rayons and nylons may be added to the slurry before or after heating. The water: solids ratio of the dilute slurry may be 8 : 1 to 25 : 1. The mole ratio CaO : SiO 2  may be 0À5 : 1 to 3 : 1.
Patent GB-794691-A (GB)
Title: Railway coupler
Inventor: WOLFE HARRY HAMILTON
IPC: B61G3/04
Filed: 1956-08-16
Abstract: 794,691. Automatic couplers. BUCKEYE STEEL CASTINGS, CO. Aug. 16, 1956, No. 25101/56. Class 103(5) A knuckle coupler provided with an aligning wing 19 and pocket 23 has the lower wall of the pocket 23 cut away as at 27 (Fig. 4) so as not to foul the conventional air line and cock and the consequent loss of aligning capacity is taken over by a centrally placed tapered lug 56 forming an integral extension of a shelf 45 secured to the underside of the coupler head.
Patent GB-387742-A (GB)
Title: Improvements in or relating to shuttle mechanism for looms
IPC: D03D49/46
Filed: 1931-09-07
Abstract: 387,742. Cam mechanisms. BRIGGS LOOM CORPORATION, Union Building, Salina Street, Syracuse, New York, U.S.A.- (Assignees of Briggs, A. J. ; 107, Victoria Place, Syracuse, New York, U.S.A.) Sept. 7, 1931, No. 25107. Convention date, Sept. 16, 1930. [Class 80 (iii).] A cam mechanism comprises two tracks 14a, 14b in different planes and at opposite sides of cam rollers 12a, 12b, each track engaging one of the rollers, which are independently rotatable on a common axis 12c, so that there is no reversal of the direction of rotation of either of the rollers. Specification 9179/87, [Class 142, Weaving &c.], is referred to.
Patent GB-820781-A (GB)
Title: An improved stacking truck
IPC: B66F9/10
Filed: 1954-10-30
Abstract: 820,781. Spring suspensions. JINKS, G. S. Jan. 30, 1956 [Oct. 30, 1954]. No. 25121/54. Class 108(2) [Also in Groups XXX and XXXI] In a side operating fork lift truck (see Group XXX), four road wheels 12 are each mounted on turntables 35 supported at their periphery by three equi-spaced rollers 60. The rollers supporting the turntables on one side of the truck are attached to the truck frame, while on the other side of the truck the rollers are mounted on frames 62 pivoted to the truck frame through links 63, 64. Hydraulic piston and cylinder arrangements 77, 73 are pivoted between each link 64 and the truck frame, the cylinders 73 being connected in closed circuit through pipes 79. so that when one of the wheels 12 is forced upwards, fluid is forced from its cylinders 73 into the corresponding cylinders of the other wheel. forcing the latter downwards.
Patent GB-869132-A (GB)
Title: A hydro-pneumatic vehicle suspension unit
IPC: B60G17/044
Filed: 1956-08-17
Abstract: 869,132. Hydro - pneumatic spring - units; regulating vehicle height. AVNER, D A. Aug. 16, 1957 [Aug. 17, 1956], No. 25169/56. Classes 108(2) and 108(3). In a constant - length hydro - pneumatic spring unit, when the vehicle is in motion a piston 1 oscillates in a cylinder 3 and in conjunction with oneway valves 14, 15 acts as a pump to transfer oil from a reservoir 22 to a pressure chamber 16 above the piston. This action causes the suspension unit to extend and lift the vehicle until ports 17 are uncovered by the piston 1 when oil flows back through these ports from the pressure chamber to reservoir 22. The mean length of the suspension unit is thus controlled by the position of ports 17.
Patent GB-814175-A (GB)
Title: Improvements in or relating to automatic aircraft control systems
Inventor: METCALF ERIC
IPC: G05D1/06
Filed: 1955-09-01
Abstract: 814,175. Automatic altitude control systems. ROLLS-ROYCE Ltd. Aug. 31, 1956 [Sept. 1, 1955], No. 25198/55. Class 38 (4). [Also in Groups XXIX and XXXVIII] A system for controlling the vertical movement of an aircraft capable of such movement for take-off and landing and described with reference to an aircraft having a number of jet lift engines for exerting vertical thrust and further propulsion engines for normal horizontal flight, comprises a height selector 10 controlled by the pilot and producing a signal proportional to the selected height, the signal being fed to a comparator 12 together with the signal from a radio altimeter 11. The comparator output represents the difference between the two signals and is fed to an amplifier 13 and thence to an adder 21 via a limiter 14. The limiter is adjustable and ensures that the vertical velocity imparted to the aircraft is held between certain limits. The adder 21 is also supplied with signals from a vertical velocity meter 15, Fig. 4, and an accelerometer 16, Fig. 5, via ah adder 18, the latter also receiving signals proportional to the rate of change of acceleration through a differentiating circuit 19. The output from the adder 18 is fed to the adder 21 in a sense such that the signal from limiter 14 is reduced in proportion to the rate at which the craft is already travelling in the desired direction so that the aircraft arrives at its desired height at zero vertical velocity. The output from adder 21 is fed via an amplifier 22 to the control solenoid of a fluid pressure actuator 23 (Fig. 6, not shown, see Group XXIX) controlling the throttle 24 of the jet lift engines 25. In the circuit diagram (Fig. 2, not shown), an adde l  is interposed between the adder 21 and amplifier 22, this additional adder also receiving a signal from an integrating device fed from the adder 21 to provide a long term reset action to eliminate errors in height due to changes in the aircraft weight caused, e.g., by fuel consumption. The additional adder also receives a feed-back signal from the actuator 23. In a modified airangement (Fig. 3, not showr) the vertical velocity meter is omitted and instead a corresponding signal is derived by differentiating the signal from the altimeter. The vertical velocity meter, Fig. 4, comprises a lagged chamber 40, connected to a small chamber 40A having orifices 41, change of altitude causing a flow of air over hot wire anemometer resistarces 42, 43 connected in a comparator circuit comprising resistances 45 and a supply 44, a differerce in temperature of the resistances 42, 43 producing a corresponding output in lead 15B. The accelerometer, Fig. 5, comprises a weight 50 on a resilient arm 51 having a contact 53 sweeping over a. potentiometer resistance 54.
Patent GB-800445-A (GB)
Title: Improved fuel for use in gas turbine plants
Inventor: WINWARD ANTONY
IPC: C10L1/12
Filed: 1956-08-17
Abstract: A fuel composition to reduce corrosion in gas turbines attributable to vanadium comprises (i) a major proportion of a fuel oil containing a vanadium compound; (ii) a minor proportion of a Group II metal, for example magnesium, a Group II metal oxide, or a compound of a Group II metal which will give rise to the oxide under working conditions in a gas turbine, e.g. naphthenates, palmitates, stearates or salts obtained from the acids formed during the oxidation of petroleum waxes or from the acids contained in tall oil; and (iii) a minor proportion of an inert refractory substance with a particle size not greater than 30 microns.  The refractory substance must be inert under the conditions existing in the combustion chamber of a gas turbine burning fuel oil and can be silica, magnesia, silica-magnesia, silica alumina, montmorillonite or bentonite clays preferably with a particle size between 5 to 15 microns and in the proportion of 1 to 12 times the weight of ash produced by the fuel oil on combustion.  A preferred refractory substance is a cracking catalyst such as magnesium or aluminium silicate.  The proportion of Group II metal present should be not less than that stoichiometrically necessary to form the metal orthovanadate and is preferably 2 to 8 atoms of the metal to one atom of vanadium.
Patent GB-681180-A (GB)
Title: Improvements in or relating to the manufacture of electric discharge devices
IPC: C03C23/00
Filed: 1949-09-30
Abstract: 681,180. Glass composition. GENERAL ELECTRIC CO., Ltd., DOUGLAS, R. W., and ISARD, J. 0. Sept. 29, 1950 [Sept. 30, 1949; Nov. 28, 1949], Nos. 25225/49 and 30472/49. Class 56. [Also in Group XL (a)] The glass envelope of a fluorescent discharge lamp has the following composition by weight:- 70.1 per cent SiO 2 , 2.6 per cent Al 2 O 3 , 5.5 per cent CaO, 3.6 per cent MgO, 16.8 per cent Na 2 O, 0.4 per cent K 2 O, 0.8 per cent B 2 O 3 , 0.2 per cent SO 3 .
Patent GB-204879-A (GB)
Title: Improvements in machines for printing and delivering tickets and the like
IPC: G07F17/42
Filed: 1922-09-19
Abstract: 204,879. Richards, G. L. Sept. 19, 1922. Ticket-printing and like apparatus; coin action, weight and multiple-coin.-In a machine for printing and delivering tickets and the like in which a coin-actuated mechanism closes the circuit of an electric motor connected to the printing and delivery mechanisms, the coin drops into a receptacle 1<a> on a lever 2a having a counterweight 4a and a contact 6a connected to the circuit of an electric motor 9<a>. The lever 2a is overbalanced and the contact 6a engages a pivoted contact 7a moving this into engagement with a fixed contact 8<a> and closing the circuit of the motor. The pivoted contact forms a damper to oscillations of the lever 2a when more than one coin is required to overbalance it. Coin-discharging mechanism.-At the end of one revolution of a worm-wheel 10<a> driven by the motor, a pin 11<a> thereon engages the end 12<a> of a lever 13<a> having a counterweight 23a and moves it so that its other end 15a by engagement with a pin 16<a> opens the pivoted bottom 17<a> of the receptacle 1<a> against the action of a counterweight 19<a> to discharge the coin and break the circuit. A fixed arm 21<a> enters a hole in the movable bottom 17<a>, when this is opened, to displace any coins sticking thereto.
Patent GB-1312964-A (GB)
Title: Motor pump units
IPC: F04D13/06
Filed: 1970-05-27
Abstract: 1312964 Cooling electric motors NIKKISO CO Ltd 27 May 1970 [29 May 1969] 25396/70 Heading H2A [Also in Division F1] In a motor-driven pump in which liquid is circulated from the pump outlet 16, Fig. 1, via a pipe 18 to flow through bearings 22, 25 and between the rotor and stator of the motor to lubricate the bearings and cool the motor, the housing 32 for the bearing 25 is, according to a known arrangement, formed with a radially extending portion 33 to afford a rear wall of the impeller chamber and provided with orifices 26 for the return of the liquid to the impeller chamber to balance the impeller thrust. According to the invention, the single member 32 is replaced by three members, viz., a bearing housing 64, Fig. 3, an orifice disc 78 provided with the orifices, and an adaptor 50 connecting the bearing housing and the orifice disc. Instead of engaging an inner periphery 90 of the pump easing 86, the orifice disc 78 may be secured to the adaptor 50 only or it may be modified for engagement with an end face 92 of the pump casing. The end portion 72 of the bearing housing 64 may be radially extended so that it abuts the whole end face of the end closure plate 54 of the stator housing 98. As shown, the adaptor 50 may afford an auxiliary pump chamber 62 accommodating an auxiliary impeller 60 providing an independent circulation to the rear bearing 22 via a pipe 68. A guide disc 70 is in this case provided so that the liquid returning through orifices 76 is directed towards the suction side of the impeller 60. If the pumped liquid is too hot to cool the motor, the stator housing 98 may be surrounded by a jacket through which a cooling medium is circulated. The pipe conveying the liquid circulated from the pump outlet may then be coiled within the jacket.
Patent GB-1500166-A (GB)
Title: Methods of and apparatus for manufacturing fused silica tubes
IPC: C03B20/00
Filed: 1975-06-13
Abstract: 1500166 Making silica tubes HERAEUS QUARZSCHMELZE GmbH 13 June 1975 [25 June 1974] 25444/75 Heading C1M A tube 6 of transparent or opaque fused silica is made by drawing a silica cylindrical blank 2, the blank 2 being rotated while fed to heating means 1, and a pressure greater than atmospheric (e.g. of forming gas) being maintained in the bore of the blank, and precisely sizing the still-plastic rotating tube 6, as it passes from drawing zone 10, between at least two graphite plates 12,13. The plates 12,13, which may be of different length, may be watercooled.
Patent GB-904205-A (GB)
Title: Improvements in cylinder printing presses
IPC: B41F13/28
Filed: 1958-08-08
Abstract: 904,205. Printing-machines. PERSHKE Ltd., FRANK, F., and MCCARTHY, R. J. Aug. 7, 1959 [Aug. 8, 1958], No. 25513/58. Class 100 (2). In a cylinder printing machine having a cylinder mounted in eccentric bearings, means are provided for adjusting the position of the cylinder axis in relation to the type face. As shown, a cylinder bearing 10 has a flange 11 pivoted to a rod 13 by a pin 14. The opposite end of the rod 13 is pivoted to an arm 15 pivoted on a pin 17. The arm 15 is actuated by a lever 18 to adjust the position of the cylinder. A stop 19 on the flange 11 cooperates with an adjustable stop 20 on the machine frame E to determine the printing position of the cylinder, not shown. An adjustable stop 22 carried by the arm 15 is engaged by the rod 13.
Patent GB-1389523-A (GB)
Title: Hydraulic damper for doors
IPC: E05F3/12
Filed: 1973-05-29
Abstract: 1389523 Adjustable hydraulic dampers HANS BAUMGARTNER & CO 29 May 1973 [2 June 1972] 25581/73 Heading F2S The tube-within-a-tube hydraulic damper of 1,012,255 is provided, in the annular chamber 14 between the tubes 1<SP>1</SP>, 2, with at least one member 16, 16<SP>1</SP> whose position can be adjusted externally of the damper by screws 17, 18 to vary the effective size of the spaced parts 5 in the inner tube 1<SP>1</SP>. Liquid flows from the chambers 8, 9 on either side of the piston 7 to the annular chamber 14 and a reservoir 15 via the spaced ports 5; and back via non-return valves 10, 11.
Patent GB-953886-A (GB)
Title: Improvements in or relating to storage type cathode ray tube
Inventor: FIRMIN JERVOIS CAMPBELL
IPC: H01J31/60
Filed: 1960-07-22
Abstract: 953,886. Cathode-ray storage tubes. ENGLISH ELECTRIC VALVE CO. Ltd. May 4, 1961 [July 22, 1960], No. 25586/60. Heading H1D. In a cathode-ray tube having a storage target 9, the electron beam has an elongated crosssection, and is modulated by being deflected over an elongated aperture in electrode 6, in the direction of length of the aperture. Further deflection means 12 are provided between electrode 6 and target 9 to effect scanning along a single line, or a raster of parallel lines, each perpendicular to the first deflection. Each deflection means may be either electromagnetic or electrostatic. As shown, the first deflection means comprises electrostatic plates 5 to which a waveform to be analysed may be applied. The electron gun includes a beam-forming electrode 3 having a rectangular aperture 4. The aperture in electrode 6 is also rectangular and has its longer sides perpendicular to those of aperture 4. The tube also includes a collector electrode, a dielectric storage mesh 9 and a signal plate 10. Specific operating potentials for writing, reading and erasing are given.
Patent GB-1263209-A (GB)
Title: Improvements in or relating to decoration of sheet materials
Inventor: WILLIAMS SUMNER HENRY
IPC: D06B11/00
Filed: 1970-05-27
Abstract: 1,263,209. Coating apparatus. GAF CORP. 27 May, 1970 [13 June, 1969], No. 25594/70. Heading D1L. Apparatus as shown for modifying the physical characteristics of a flexible substrate, comprises passing the material into vessel 14 containing a liquid reagent, through squeeze rollers 16 to remove excess moisture, around a number of guide rollers 12 and tensioning rollers 24 to heating rollers. There are pre ferably three rollers, alternate ones of which are heated. Thus, as shown, the first and third rollers 18 are heated and roller 20 unheated. Only the first face of the material carries into contact with the surface of the heated rollers 18. The rollers 18 may have a three dimensional pattern as shown in Fig. 4. The liquid impregnating the material has the property of migrating the hotter areas of the material when a differential heat pattern is applied to the material. Subsequent to this first treatment the material is passed through a second vessel 21 containing treatment liquid, through squeeze rollers 22, around guide rollers 12 and tensioning roller 24 to a second series of heating rollers. This second series consists of preferably three rollers, the first and third rollers 26 being heated and roller 28 being cold. The heated rollers are arranged to contact the second face of the material.