baber/WOPTO huggingface dataset:
Patent GB-1241075-A (GB)
Title: A method of electrographic printing
Inventor: HODGES ROBERT JAMES
IPC: G03G9/00
Filed: 1969-11-07
Abstract: 1,241,075. Printing apparatus. STANDARD TELEPHONES & CABLES Ltd. 7 Nov., 1969, No. 54691/69. Heading B6C. [Also in Division G2] A drum 1 is imagewise magnetized or imagewise electrostatically charged at 3; a film of high viscosity liquid, e.g. a lacquer or linseed oil, is applied thereto by a roller 4a; toner powder suspended in a low viscosity liquid, e.g. white spirit, is applied thereto by a roller 5a; and the developed image and liquid film are transferred directly, or by an intermediate roller (not shown), to a web 9. Fixing.-The image is fixed at 10 by solidifying the liquid film. Linseed oil hardens in air due to oxidation and this may be accelerated by irradiating with ultra-violet, or infra-red and/or using an atmosphere of oxygen. Alternatively, the toner particles may be coated, e.g. with thermoplastics resin to permit thermal fixing at 10. Developing.-Rollers 4a, 5a may be of foam rubber. An additional roller (14a, Fig. 2, not shown) may apply additional low viscosity liquid, e.g. white spirit, after the application of developer by roller 5a in order to reduce viscous drag on toner particles and allow them to migrate to the drum. The developer in bath 5b may be mechanically or chemically agitated. When the image is electrostatic, the toner may be a dielectric or ferroelectric powder such as barium titanate. Feeding.-Web 9 is fed from a reel 8 to a pressure roller 6a by a motor 6c. To allow choice in what is transferred from drum 1, the operator may view the developed image on the drum in a mirror (not shown) and stop transfer by controlling motor 6c, and a solenoid 6b which removes roller 6a. Cleaning.-The drum may be cleaned by an absorbent band 11 and a demagnetizing head 3a.
Patent GB-1135677-A (GB)
Title: Improvements in or relating to chemical soot removing agents
IPC: C23G5/00
Filed: 1966-12-07
Abstract: 1135677 Removing furnace incrustation T W Y AXEBORG 7 Dec 1966 [8 Dec 1965] 54763/66 Headings C5G and G10B A non-corrosive soot removing agent comprises by weight 60-80% of an alkali metal nitrate, 10-25% ammonium nitrate, 2-9% sulphur, and 3-10% of a powdered combustible cellulosic material. In examples the alkali metal nitrate is KNO 3  and the cellulosic material is lucern flour. Other ingredients mentioned are pulverized charcoal, wood flour, and sawdust. The agent is added to the furnace of, for example, a steam boiler, either manually, or by a dosing apparatus; the agent melts and droplets settle on and react with the hard soot on the furnace walls. A skin of potassium nitrate may be formed on the walls and this protects the surfaces against new soot deposits.
Patent GB-1136812-A (GB)
Title: Sliding window
Inventor: HULSCH THEODOR
IPC: E06B3/46
Filed: 1965-12-28
Abstract: 1,136,812. Sashless sliding windows. ALCOBAUZUBEHOR G.m.b.H. 28 Dec., 1965, No. 54953/65. Heading E1J. [Also in Division F4] The frame for a sashless sliding window comprises four similar profiled frame members 6 mitred at their ends and secured as by welding, each member presenting two parallel U- shaped grooves engageable by the sashless panes 14, the top and bottom rails providing the runner tracks, and panes 14 in the closed condition have their inner vertical edges in alignment perpendicularly to the panes and there is provided in the location of said inner edges of the panes 14 and midway between the runner tracks, a profiled bar 27 which is rotatable about a vertical axis 28 and has on each side of said axis resilient plastics lined U-shaped channels 29 whose open sides face respective pane edges, the bar 27 being provided with locking means. These latter comprise lock rods (40 Fig. 7) which pass into holes 42 in the flanges 7 of the top and bottom frame rails and are operated by a two part relatively sliding manually operated handle 30 to which the lock rods 42 are attached, or alternatively by a balanced rack and pinion mechanism (Figs. 10, 11, 12 not shown). The parts 30 (31) of the handle 30 are provided with locking and unlocking arresting means (Figs. 5-7 not shown). The grooves of all the frame members are lined with plastic linings 12 provided with sealing lips. The runner tracks have continuous or intermittent load bearing strips 19 of longitudinally curved form with similar devices in the top rail and stiles. A permanently fixed bar 27 may be provided between adjacent pairs of panes. The frame constituted by bars 6 is mounted in wooden frame 1, which in turn is mounted in wooden frame 4 with a space between the top members 1<SP>1</SP>, 4<SP>1</SP> Fig. 2 to form a ventilator (see Division F4).
Patent GB-1366879-A (GB)
Title: Articulated ground vehicles
IPC: B62D53/02
Filed: 1971-11-24
Abstract: 1366879 Articulated vehicles HUDSWELL YATES DEVELOPMENTS Ltd 24 Nov 1971 [25 Nov 1970] 56078/70 Heading B7H [Also in Division A1] The vehicle comprises a rear part with tow bar 19 coupled to a tractor having only rear wheels 12 by a universal joint 24 with a further universal joint 29 arranged directly above or below the joint 24 and coupled to the tractor via a rigid rod 50 which may be extensible and is secured to the tractor by universal joint 33. The rod 50 may comprise a ram whereby weight can be transferred from the rear part to the tractor Two rods 50, one above and one below the joint 24 can be used. The coupling allows pivoting about a vertical axis and tilting about a longitudinal axis whilst resisting vertical movement of the rear part relative to the tractor. Steering can be effected by rams extending between the tow bar 19 and laterally spaced points on the tractor. The rear part can be driven by an hydraulic motor 46 in turn driven by a variable displacement pump on the tractor.
Patent GB-1344656-A (GB)
Title: Clamping shaft
IPC: B26D7/26
Filed: 1971-12-03
Abstract: 1344656 Mandrels; mounting disc cutters; work guides I UNGERER 3 Dec 1971 [27 May 1971] 56128/71 Headings B3B and B3W [Also in Division F2] A clamping shaft (e.g. for mounting a strip cutting tool or a guide 11 in a plant for longitudinally cutting strip) comprises a core 1 having an inlet 9, 10 connected by radial passages 5 with an annular space between the core and an expansible (e.g. metal) sleeve 6 tightly joined at at least two spaced portions to the core, the sleeve being expanded by inflation from a pressure source via the inlet 9, 10. The core may have axial and circumferential grooves 4, 7, 8, to facilitate uniform expansion and contraction of the sleeve.
Patent GB-1278988-A (GB)
Title: Improvements in or relating to lighters
IPC: F23Q2/00
Filed: 1969-11-18
Abstract: 1278988 Lighters BRAUN AG 18 Nov 1969 [21 Nov 1968] 56368/69 Addition to 1265984 Heading F4F In a modification of the invention claimed in parent Specification, a magnetic igniter system has an armature 2 which is capable of being swung by a torsion rod 3 about a yoke 1 of the magnetic igniter system. As shown, the torsion rod 3 is carried in bearings 31 and 32 and is fastened along an edge of the armature which is thereby rotatable about an axis constituted by this edge, but in another embodiment the axis of rotation of the swingable armature is located outside the armature. The rod 3 may be provided with a projection (Fig. 3, not shown) for urging the armature away from the yoke, and there may be provided a non-ferromagnetic abutment arranged to one side of the armature 2 towards which the armature is capable of being displaced (Fig. 3, not shown).
Patent GB-1493922-A (GB)
Title: Impeller apparatus
IPC: F04D25/16
Filed: 1973-12-05
Abstract: 1493922 Centrifugal fans SMITHS INDUSTRIES Ltd 21 Feb 1975 [5 Dec 1973]  56427/73 Heading F1C A fan comprises two inlets feeding into a common centrifugal impeller 52, centrifugal impellers 31, 45 drawing gas through the first inlet 21 and delivering it to impeller 52 at a higher pressure than that delivered by the second inlet, the high- and low-pressure gas flows being maintained substantially separate until they have entered the common impeller 52. The gas leaving impeller 45 passes via an opening 47a into a chamber 47 containing fixed blocks 48a to 48d which direct the gas towards the lower region of inlet 50 of impeller 52. The second inlet, which may be formed by separate inlet ducts 22, 23 located in chamber 47 remote from opening 47a admits gas at ambient pressure, the gas passing directly into impeller 52 through the upper region of inlet 50 with a consequent minimum of mixing with the gas which has passed through impellers 31, 45. The gas is then delivered through outlet 24. Further impellers and chambers with separate inlets may be added between chamber 47 and impeller 52.
Patent GB-1213369-A (GB)
Title: Improvements in or relating to continuous kiln firing systems
IPC: F27B9/36
Filed: 1968-11-28
Abstract: 1,213,369. Continuous kilns; burners. BICKLEY FURNACES Inc. 28 Nov., 1968 [29 Nov., 1967], No. 56595/68. Headings F4B and F4T. In a horizontally extending continuous kiln having both longitudinal and transverse gaps in the ware on the conveyer and longitudinally spaced gas streams along the kiln walls which circulate the gas in the transverse gaps in the ware the conveyer is arranged, after a dwell period, to move the ware forward a distance equal to the spacing between adjacent gas streams. Kiln cars 48 are advanced through the kiln by a pusher dolly 210 actuated by an hydraulic piston and cylinder 224, 226, the dolly carrying pivotable dogs 216, 218 which engage the frame 230 of a kiln car, the stroke of the piston 224 being equal to half the length of a car. Longitudinally the kiln is divided into a heating zone and a cooling zone, fan means being provided in each zone to draw the gas over the cars in a direction contrary to the movement of the cars. The gas streams may be staggered longitudinally on opposite sides of the kiln (Fig. 4) or may be arranged with opposite streams at different levels, i.e. one at the top and the other at the bottom of the kiln (Fig. 8). A pair of vertically sliding entrance doors prevent excess air being drawn into the kiln. The gas burners, Fig. 6, comprise an air supply 84 and a gas supply 86 mixing occurring adjacent a flame retaining disc 96 where the gas is emitted via ports 95. A tubular nozzle adapter 66 is fitted and a pilot connection 100 is provided. Control means for maintaining the desired temperature consists of a pyrometer 130, Fig. 3, which actuates a temperature control 132 which in turn controls a motor M operating a throttle valve 134 in the air supply pipe. A gas pressure regulating valve 138 is controlled by a control line 136 and a throttle valve 140 is manually set to the desired fuel to air ratio. The air supply for the gas/air mixture, and for the air jets in the cooling zone is supplied by two fans (102, Fig. 1B, 170, Fig. 1C) and fed by manifolds and branch lines to the nozzles along each side of the kiln.
Patent GB-1164638-A (GB)
Title: Thermal Connector for Cooling Devices such as Electron Tubes
Inventor: STUART WILLIAM ROBERT
IPC: H01J19/36
Filed: 1966-12-20
Abstract: 1,164,638. Ceramic-to-metal seals. VARIAN ASSOCIATES. 20 Dec., 1966 [20 Dec., 1965], No. 57040/66. Heading B3V. [Also in Division H1] A thermal connector for conducting heat away from a device, e.g. an electric discharge tube, comprises a metal member brazed to a beryllium oxide member of good thermal conductivity. The beryllium oxide member may be provided on one face with a metallizing layer prior to brazing and the metal member may be a copper block 15 which is provided on one face with a number of intersecting channels 20, 21 which provide a number of spaced projections 22, to the end face of which the beryllium oxide member is brazed. The arrangement mitigates to some extent any adverse effects on the seal due to the different expansion characteristics of the two members.
Patent GB-1181680-A (GB)
Title: A Reed Relay Set
IPC: H01H51/28
Filed: 1967-12-20
Abstract: 1,181,680. Electromagnetic relays. INTERNATIONAL STANDARD ELECTRIC CORP. 20 Dec., 1967 [24 Dec., 1966], No. 57892/67. Heading H1N. A relay set for use in a co-ordinate matrix comprises a plurality of reed relays mounted in a U-shaped support consisting of two parallel
Patent GB-1254276-A (GB)
Title: Fluid pressure operated servo devices
Inventor: PUGH STUART
IPC: F15B9/08
Filed: 1967-12-21
Abstract: 1,254,276. Fluid-pressure servomotors. ENGLISH ELECTRIC CO. Ltd. March 21, 1969, [Dec.21, 1967], No.58049/67. Heading G3P. Movement of lever 26 against centralizing spring 28 moves spool 20 in piston 6 to connect inlet 32, 34 to port 36 or 38 thereby moving piston 18 connected to a relay spool 14 in piston 6. Spool 14 connects second inlet 45, 44 to port 46 or 47 thereby causing follow-up movement of piston 6 against spring stack 30. Piston 6 can be connected by gearing or, as shown, roller crank 8 to the swashplate of a pump; stops 12 define the limits of piston movement. Piston 18 is centralized by springs 62, 72 and in the course of its movement is eventually opposed by additional springs 64, 74. The movement of piston 18 in a displacement-increasing direction is opposed by pump outlet pressure as applied via port 60 or 70 to piston 54 or 66; this allows output pressure to over-ride lever 26 if the latter demands an output greater than is permissible at the prevailing pressure. Adjustment of spools 14, 20 is facilitated by grooves 79 therein which receive a holding pin to resist rotation whilst stems 16, 22 are rotated to threadedly adjust the spools. Remote control is obtained by replacing lever 26 by a doubleactivity piston (84) controlled by a solenoid valve. Valve (92) inter-connects opposite sides of piston (84) until depressed by a piston. Ports 60, 70 may alternatively be inter-connected and the spools may each comprise coaxial sleeves bonded together. (For Figure see next page)
Patent GB-1283809-A (GB)
Title: Improvements in or relating to the automatic measurement of pulse repetition intervals
Inventor: EAST PETER WILLIAM
IPC: G04F10/04
Filed: 1970-12-08
Abstract: 1283809 Measurement of pulse repetition intervals MULLARD Ltd 8 Dec 1970 58256/70 Heading G4H A method of and apparatus for the automatic measurement of pulse repetition intervals (P.R.I.'s) comprises the measurement of the intervals between the first and second and second and third pulses of three consecutive pulses in a track of at least three pulses and comparing the measurements, wherein if the difference lies within a given amount, then one of the intervals is taken as the measured amount, whereas if it does not, after one or more repeated measurements of succeeding intervals, then the amount or tolerance is widened. As shown, an input pulse track is applied at IP and adapted at PS to provide pulses of fixed and known duration separated by intervals to be measured, the signal being inverted at I1 to allow clock pulses from CP to pass to counter CTR. The uninverted signal is taken to a series of monostables M1-M4, M1 adapted to be triggered by an incoming standardized pulse and to trigger M2 on returning to its stable condition, M2 then triggering M3 &c. Upon the triggering of monostable M3, a signal is applied to a store ST via gate A3 to cause the contents of counter CTR to be transferred into the store ST, the counter being reset by M4 prior to the appearance of the next interval. The contents of counter CTR and store ST are then compared by subtraction at SUB and a binary number representing the difference, transferred to MC, wherein a binary "1" or "0" output is provided according as to whether the difference is within or outside a close tolerance defined at CTS. A "1" output causes a second counter CC to increment by 1 on its "UP" side, and a "0", increment on its "DOWN" side upon receiving of a clocking pulse from M2 in the subsequent standard pulse period, a "1" output at MC also being gated at A4 to trigger monostable M5 having a duration of about 2 seconds to apply an inhibit signal at A3 in order that subsequent intervals will be compared at SUB with the contents of the store at the beginning of the M5 period which contents are displayed at ID via gate A2. In the event of an aggregate 8 counts on the "UP" side of counter CC, gate HCG is enabled to trigger monostable M6, having a duration of several seconds, to also apply an inhibit and display signal at A3, A2 respectively, and illuminate lamp HC1 to indicate the reading at ID is of "high confidence". In the event of an aggregate 8 appearing on the "down" side of CC, gate LCG is enabled to trigger monostable M7 to illuminate a lamp WTD and apply a signal of several seconds duration to WTS whereby the tolerance level at MC is widened for this duration, the rest of the circuit functioning subsequently as described above. The tolerance levels at MC may be made proportional to the count in the counter CTR and the members CTS, WTS, MC comprise NAND- and exclusive OR- gate logic circuitry, Fig. 2 (not shown).
Patent GB-1198539-A (GB)
Title: Photocopying Apparatus.
Inventor: MATSUMOTO YOSHI
IPC: G03G15/041
Filed: 1968-12-09
Abstract: 1,198,539. Photo-copying apparatus. TOKYO SHIBAURA ELECTRIC CO. Ltd. Dec. 9, 1968, No.58315/68. Headings G2A, G2H. Photo-copying apparatus of the kind in which an original is projection printed at any magnification ratio has its optical system (lens 35 and mirror 30) so adjustable that a first fixed line, defined by stop 27, in the original plane is always imaged on to a second fixed line in the front plane of an exposure device 14. An original B is placed face downwards on a supporting plate 26 with one edge abutting the stop 27. A sheet of copy paper is fed from a device 10, is charged by electro-static charger 13 and passes into the exposure device 14. Alternatively a roll of copy paper may be housed in the device 10 and the web cut as it passes through rollers 11. When the leading edge of the sheet A or cut web trips a micro-switch 21, feeding is stopped, the sheet held in place by suction, and the exposure made by energizing lamp 28. Thus the leading edge of the copy sheet is always on the second fixed line. After exposure, rollers 22 and belt means 15 at the exposure station are started to transfer the exposed sheet to a developing device 23. The magnification ratio is selected by manipulating a handle 41 which will rotate the lens centre about a circle centred at Q and move the mirror 30 parallel to itself. As shown, the apparatus is arranged for a 1:1 magnification ratio. For different ratios, copying sheets A of different size are stored in the paper feeding device 10. In another embodiment, Fig. 3 (not shown), a plurality of lenses of different magnification ratios are provided, the original and copy sheets are arranged parallel to each other and the appropriate lens inserted with its centre on the plane containing the first and second fixed lines.
Patent GB-1379150-A (GB)
Title: Synthetic hydrocarbon resins their production and use
IPC: C08F12/12
Filed: 1972-12-19
Abstract: 1379150 Styrene/vinyl toluene/indene terpolymer NEVILLE CHEMICAL CO 19 Dec 1972 [30 Dec 1971] 58615/72 Heading C3P A terpolymeric hydrocarbon resin has a polymerized alpha methyl styrene content at least 20 wt. per cent, a polymerized vinyl toluene content of at least 10 wt. per cent and a polymerized indene content of at least 10 wt. per cent, the total of all three being at least 80 wt. per cent of the resin. The resin preferably has a ring and ball softening point of between 60 and 150 C., a number average molecular weight of 350-1200, an iodine number between 10 and 70 and a Gardner scale resin colour (50% solution in toluene) of not more than 10. The resin is preferably prepared by polymerizing a mixture of the monomers (20-75 wt. per cent alpha methyl styrene, 10-60 wt. per cent indene and 10-35 wt. per cent vinyl toluene, based on the total monomers). in a diluent such as an aromatic hydrocarbon at -50 C. to 150 C. in the presence of a Friedel-Crafts catalyst. At the end of the polymerization the catalyst may be deactivated using clay. The resins are compatible with other resins; in the examples a resin of the invention was mixed with ethylene/vinyl acetate copolymer and wax, or one of several oil/alkyd resins.
Patent GB-1439417-A (GB)
IPC: B65D30/24
Filed: 1973-12-21
Abstract: 1439417 Valve bags WAVIN BV 21 Dec 1973  [6 Jan 1973] 59622/73 Heading B8K A plastics bag having gussetted sides has a top part of one gusset slit and folded outwardly as at 4 and a length of tubular foil 13 welded in between the front and rear walls at 14, 9, 9<SP>1</SP>, 15 to form the valve. In another form the top corner of the bag is cut-off obliquely from the points 9, 9<SP>1</SP>: this facilitates the filling of bag from a vertical filling nozzle. When the bag has been filled and assumes a block-like form, Fig. 4 (not shown), the part 4 can be folded on to the top wall of the bag and glued thereto to close the valve 13. In a modification, a bag 20 of woven polypropylene or of jute covers the plastics bag, the inner and outer bags being connected along their top edges by a row of stitches 19.
Patent GB-1300990-A (GB)
Title: Production of nuclear fuel
Inventor: LEFEVRE RAYMOND LEON RENE
IPC: G21C3/62
Filed: 1970-12-23
Abstract: 1300990 Nuclear fuel UNITED KINGDOM ATOMIC ENERGY AUTHORITY 6 Dec 1971 [23 Dec 1970] 61266/70 Heading G6C Oxide nuclear fuel particles are coated pyrolytically with a thin high density carbon layer to retain carbon monoxide during application of further layers, next with a porous, carbon layer, and then with one or more high density layers. In an example UO 2  spheroids are fluidized and treated with methane at 1300‹ C. to deposit the first dense layer, then with methane at 1400‹ C. to deposit the porous layer, and then with a hydrocarbon gas at 1900‹ C. to form a high density layer of isotropic carbon; a layer of silicon carbide is then applied, and finally another layer of high density isotropic carbon. Some CO may be introduced during deposition of the first thin layer in order to reduce reaction between carbon and the oxygen of the fuel. The thin layer breaks up during irradiation in a nuclear reactor.
Patent GB-666314-A (GB)
Abstract: 666,314. Electric selective signalling. POSTMASTER GENERAL. Sept. 24, 1948. [Sept. 24, 1947] No. 25930/47. Class 40 (i). [Also in Groups XIX and XL (b)] Apparatus for selectively controlling electrical circuits in which a circuit arranged to be controlled by one separately actuatable member is electrically connected with one of a number of parallel circuits arranged to be controlled by another separately actuatable member has gas discharge means provided in each circuit, the arrangement being such that the discharge means in at least two circuits of any undesired combination of circuits electrically connected with a circuit of a desired combination are arranged in series with respect to the discharge means in the circuit of the desired combination. A key K1 of a telegraph perforator has a single contact arranged to energize magnets M1, M3 and M4 of the perforator magnets M1 ... M5. A further key K2 similarly energizes magnets M1 and M5. In order to prevent operation of an incorrect magnet over a common lead such as that to magnet M1 a gas discharge tube L1 ... L5 is inserted in each connection from. each key. The energizing circuit for a correct magnet comprises a single tube while the circuit for each magnet which it is not desired to operate contains three tubes, of which one is conducting. The.supply voltage V is made less than the sum of the conducting voltage plus twice the striking voltage of the tubes and thus only the desired tubes fire and allow their associated magnets to operate. In a modification Fig. 1, (not shown), the tubes are connected to the segments of a rotary distributor which are associated in turn with a telegraph transmitting magnet. In a further modification, Fig. 3, (not shown) each tube is connected to the grid of a corresponding thermionic valve and depression of a key varies the bias to operate an anode relay. In each embodiment the magnet or magnets may control printing, calculating or other apparatus.