baber/WOPTO huggingface dataset:
Patent GB-1254969-A (GB)
Title: Improvements in or relating to a sewing machine
IPC: D05B77/00
Filed: 1970-05-04
Abstract: 1,254,969. Portable sewing machines. MEFINA S.A. 4 May, 1970 [9 May, 1969], No. 21331/70. Heading D1G. A sewing machine comprises a frame including a base 2 and a free arm 4 having an upper working surface, hinged flaps 21, 22, 23 connected to the frame and forming a case with the frame when folded thereagainst and a retractable shelf 7 connected to the base 2 by articulated means and displaceable between an upper position fitting round the upper working surface of the free arm 4 and a lower position for access to the free arm 4. In a first embodiment (Fig. 8) the flaps are hinged to the shelf 7 which is connected to the base 2 by lower walls 8, 9 each of which comprises two parts hinged together and 14 and 15, on a central longitudinal axis. On release of a catch (32) (Fig. 7, not shown) the end of a spring urged lever (36) raises the shelf 7 and the walls 8 may be held in their raised positions by arms (42) (Fig. 6, not shown) which .are secured to a transverse rod (39) which is rotatable by a knurled wheel (40) and are engageable with grooves in the ends of the walls 8. In a second embodiment (Fig. 12) the flaps are still pivoted to the shelf 7 but are pivoted upwardly from the lowered position of the shelf 7 to form a case for the machine. The shelf 7 is connected to the base by a scissors linkage on each side comprising two arms 46 pivoted at 48 and 49 to the base and shelf and at 50 and 53 to blocks slidable in grooves 52 and 55 of the base and shelf. The shelf is held in the raised and lowered positions by transverse pins 58 (Fig. 13) engageable with bores 59 or recesses 69 of the blocks and pivoted to levers 62 controlled by a cam 64 which is rotatable manually by a knurled wheel 67.
Patent GB-1338081-A (GB)
Title: Doppler navigation radar equipment
IPC: G01S7/41
Filed: 1971-04-27
Abstract: 1338081 Doppler radar T G THORNE 27 April 1971 [4 May 1970] 21369/70 Heading H4D An aircraft Doppler navigator in which vibration of the aircraft causes oscillation of the transmitted beam in the depression angle plane includes means for measuring the resultant amplitude modulation of the echo signals to indicate the nature of the overflown terrain. A pendulum or gyroscope vibration sensor 31 is energized by the detected output from the navigator 21 thus providing a signal representing the product of the vibration and received signal amplitudes. This is used as a reference signal in a PSD 26 which also receives the navigator 21 Doppler output and provides a signal representing the magnitude of the amplitude modulation in the received signals. Comparison with the vibration amplitude in comparator 34 indicates the nature of the terrain (i.e. land, rough or calm sea). The comparator outputs select an appropriate calibration constant for the receiver 21. In an alternative arrangement the amplitude modulation is detected by comparing the received signals from forward and rear looking beams followed by low pass filtering (Fig. 2, not shown).
Patent GB-261122-A (GB)
Title: Improvements in or relating to carriers for inductance coils or the like
IPC: H01F27/00
Filed: 1925-08-26
Abstract: 261,122. Igranic Electric Co., Ltd., and Curtis, A. H. Aug. 26, 1925. Plug couplings.-Terminal connecting means for inductance coil carriers &c. comprise two elements, one of which by itself forms a female plug-in element and the other element is detachably secured thereto in such a manner that the elements together form a male plug-in connection or alternatively constitute a gimbal pivot mounting' for the carrier. As shown, Fig. 2, the female element 1 receives the male element 2 in a short tapped hole 1<d> or the male element can be received in either of two lateral tapped holes 1<e>, Fig. 4. The terminals are secured by insulating nuts 3 in slots 4a, 9<a> in the coil mount or for " gimbal " mounting in slots 9<b>, Fig. 4. The carrier 4, Fig: 2, is provided with pivots 5<a> which are gripped within split terminal members 6 engaged by nuts 6<c>. Specification 260,670 is referred to.
Patent GB-1222128-A (GB)
Title: Vulcanizates
IPC: C08C19/32
Filed: 1968-05-07
Abstract: 1,222,128. Vulcanizates. POLYMER CORP. Ltd. 7 May, 1968 [18 May, 1967], No. 21464/68. Heading C3P. A vulcanizate comprises the reaction product of an aqueous emulsion polymerized, undegraded, olefinically unsaturated, liquid polymer, the liquid polymer containing molecules comprising a polymerized C 4 -C 8  diolefinic hydrocarbon compound, a major proportion of the number of the molecules being characterized by the presence of two separated allylic halide structures, wherein the halogen is chlorine, bromine or iodine, located at the terminal carbon atoms of the polymer chains, the liquid polymer being characterized by an intrinsic viscosity within the range of 0À04 to 1À0 when measured in toluene at 30‹ C., and a polyfunctional vulcanizing agent, capable of reacting with the halogen atoms to cause a joining together of the polymer molecules, selected from secondary and tertiary heterocyclic amines containing at least two amino nitrogen atoms and in which the hetero atom is nitrogen and mixtures thereof. Vulcanizates prepared from vulcanizing agents comprising no secondary or tertiary heterocyclic amine other than N-amino-ethyl piperazine or triethyl trimethylene triamine (which are disclosed in the parent Specification 1,140,764) are not included. In the examples, polymers prepared as in Specification 1,140,764 are mixed with basic lead carbonate and vulcanized, using as vulcanizing agents hexamethylene tetramine, piperazine, 4,4 - dipicolyl-amine, 3,3 - dipicolyl - amine, 1,3 - di - 4 - piperidyl propane, triethylene diamine and methylated diethylene triamine and as chain-extending agent 1,3-di-4-pyridyl propane.
Patent GB-137092-A (GB)
Title: Improvements in doors applicable for bulkheads, partitions, walls, smoke boxes and the like
IPC: B63B19/00
Filed: 1918-12-23
Abstract: 137,092. Stuart, O. Dec. 23, 1918. Addition to 119,501. Bull-head doors.-Doors of the kind described in the parent Specification are provided with means to prevent the sliding frame for fastening the door from being slidden until the door is completely closed. In one form, the sliding frame 8, Fig. 3, is locked to the operating cam 14 by a spring bolt 34 when the door is opened, and the bolt is withdrawn by a finger 32 on a pivoted tappet 31, which engages a flange 12 around the door opening when the door is closed against the fixed frame 1. In a modified form, a pivoted tappet 37, Fig. 6, is turned by a spring 39 to engage a slot or shoulder in the sliding frame 8 when the door is opened, and is withdrawn therefrom by contact with the frame 1.
Patent GB-252591-A (GB)
Title: An improved box or carton for containing a thermionic valve, electric lamp, or the like
IPC: B65D5/50
Filed: 1925-08-28
Abstract: 252,591. Aviss, A. Aug. 28, 1925. Fittings , internal; contents, viewing and testing; tampering with, preventing and detecting.-A box or carton for a thermionic valve &c. comprises two oblong members a, b each open at one extremity and adapted to slide longitudinally the one upon the other, the inner member a having transverse partitions b', b<2> held in the ends of the member a by side ears b<3>, b<4> respectively and provided with perforations to engage and support the extremities of the valve &c. and the ears b<4> on the partition b<2> at the open end of the member a being sealed in position to prevent unauthorized use of the valve etc.; an aperture a<1> in the wall of the inner member a renders the valve &c. visible while being tested without breakage of the seals. As shown, the side ears b<4> are sealed by paper c engaging the extremities of the ears and the mouth of the member a.
Patent GB-758784-A (GB)
Title: Capacitors having electrodes formed of metallised dielectric strips
IPC: H01G4/32
Filed: 1954-07-23
Abstract: 758,784. Capacitors. STANDARD TELEPHONES & CABLES, Ltd. July 23, 1954 [Aug. 1, 1953], No. 21587/54. Class 37. A wound capacitor comprises two metallized paper foils arranged with their unmetallized surfaces in contact and a further unmetallized insulating foil interposed between the metallized surfaces. The further foil 3 may be of paper which is lacquered to increase its dielectric strength or it may alternatively consist of a plastic strip. The edges of the foils 1 are unmetallized, the metallized edges of the two strips extending to opposite ends of the capacitor. The invention is applied to capacitors of the type wherein the electrodes burn away in the event of a puncture in the dielectric.
Patent GB-1497159-A (GB)
Title: Externally meshing axial flow screw pumps
IPC: F04C15/00
Filed: 1975-05-20
Abstract: 1497159 Meshing screw pumps HOUDAILLE INDUSTRIES Inc 20 May 1975 [24 March 1975] 21676/75 Heading F1F To balance the resultant axial thrust created by the flow (toward the left as shown in Fig. 2) of fluid through the pumping chamber of an externally meshing screw pump, the shaft of each screw 19, 20 carries a piston 17, 18 which experience a pressure differential across their end faces that counteracts the axial thrust acting in a direction opposite to that of the fluid-flow i.e. toward the right as shown in Fig.2. The two pistons 17, 18 are mounted with clearance in two cylinders 72, 73 in an end housing 66 and the spaces behind each piston are connected to the pump's inlet via passages 81, 82 so that fluid which leaks passed the pistons 17, 18 is returned to the inlet. Axial displacement of the screws 19, 20 in a direction toward the right in Fig. 2 is limited by the abutment of phasing gears 15, 16 against thrust bearings 38, 39 and toward the left by the abutment of the pistons 17, 18 against the end walls of their respective cylinders. The driving screw 19 may be displaced axially toward the left by turning a screw threaded abutment member 42 which is held in one of a number of possible settings by a screw in passageway 36, the inner end of member 42 abutting the thrust bearing 38.
Patent GB-1500606-A (GB)
Title: Electron beam positive resist
IPC: C08G75/00
Filed: 1975-05-21
Abstract: 1500606 Electron beam sensitive materials INTERNATIONAL BUSINESS MACHINES CORP 21 May 1975 [27 June 1974] 21874/75 Heading G2C A method of forming a resist mask on a substrate comprises coating the substrate with an electron beam positive resist comprising a terpolymer of an alpha olefin, sulphur dioxide, and cyclopentene, bicycloteptene or methyl methacrylate, selectively exposing the coating to electron radiation in a desired pattern and developing the pattern by treatment with a solvent which preferentially dissolves the exposed areas of the coating. The preferred polymer is derived from hexene-1, sulphur dioxide and cyclopentene or methyl methacrylate.
Patent GB-445668-A (GB)
Title: Improvements in or relating to high frequency telegraph transmitters
IPC: H04L27/04
Filed: 1935-08-01
Abstract: 445,668. Wireless transmitting-circuits. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. Aug. 1, 1935, No. 21877. Convention date, Aug. 4, 1934. [Class 40 (v)] In a radio telegraph transmitter employing a drive oscillator and one or more amplifying stages, and in which key clicks are avoided by gradual or delayed keying of an amplifying stage, keying of the drive oscillator is effected automatically in dependence on the aerial current. When tone modulation is employed, the amplitude of the tone frequency is varied in dependence on the aerial current. As shown in Fig. 1, the key T operates through a delay device 2 on the grid circuit of the amplifier 1, giving a gradual rise and fall of aerial current as the key is closed and opened respectively. When the key T is closed, the contact of a relay I falls back and starts the generator 3. As the aerial current rises, a rectifier 5 in a circuit coupled to the aerial, or otherwise associated with the output of the valve 1, energizes a relay II, which closes its contact and maintains the oscillator in action until the aerial current has died away. The relay II may be fitted with a delay winding, or the time constant of its circuit may be chosen to give a suitable delay. The relays I, II may be combined by a single relay with two windings, or they may be replaced by valves. Fig. 3 shows a circuit adapted for tone-frequency modulation. The tone is genorated by a valve 7 and amplified by a valve 8 the output of which is coupled into the grid circuit of the transmitting-amplifier 1, the output of which is thereby modulated. To prevent full modulation voltage being applied during the rise and fall of aerial current, a rectifier 5 in a circuit coupled to the aerial has its load resistance connected in the grid circuit of the valve 8 causing a reduction of the tone-frequency amplitude during the rise and fall periods. The systems of Figs. 1 and 3 may be combined in the same transmitter, and the same rectifier 5 may be used for the keying control and the tone control.
Patent GB-1222742-A (GB)
Title: Magnetic disc memory unit
IPC: G11B23/03
Filed: 1969-04-29
Abstract: 1,222,742. Magnetic disc recording and playback. HITACHI Ltd. 29 April, 1969 [30 April, 1968; 26 July, 1968], No. 21899/69. Heading G5R. A single driving shaft drives a plurality of disc packs which are disengageable from each other. As shown, disc pack hubs 33 engage each other and a driving shaft assembly 60, 61 by means of frusto-conical surfaces 33b, pins 33d and 61a, and locking screws 35, the assembly being driven by means of a belt 67. As each locking screw 35 is tightened, the inner slidable shaft 60 is raised, so that contacts 72 are opened when a predetermined number of disc packs has been assembled.
Patent GB-317471-A (GB)
Title: Improvements in or relating to refrigeration apparatus
IPC: F25B39/02
Filed: 1929-07-16
Abstract: 317,471. Silica Gel Corporation, (Assignees of Miller, E. B.). Aug. 18, 1928, [Convention date]. Refrigerating, evaporators for; ice-making.- An evaporator for a domestic refrigerator comprises a liquid refrigerant tank 10 having evaporating-tubes 15 to the inner legs of which a metal chamber 18 having compartments 19 for ice-making drawers is secured by welding or soldering, and a ribbed air-tight casing 22 spaced from the outer legs so as to prevent frosting on the outside of the casing. The evaporator is supported in the refrigerator by brackets 38 carrying straps 36 passing around the tank. Specification 280,538 is referred to.
Patent GB-381274-A (GB)
Title: Improvements in, or relating to, drinking troughs for use more especially by poultry
IPC: A01K39/024
Filed: 1931-08-01
Abstract: 381,274. Drinking - appliances f o r animals. STUBBS, E.. C., Ivy House, Whiston, near Penkiidge, Staffordshire. Aug. 1, 1931, No. 21972. [Class 5 (ii).] In a combined storage tank and drinking trough, the trough is situated outside the tank, is supplied with water therefrom through a suitable pipe and is supported in such a manner that its height from the ground varies approximately with the change of level of water in the tank whereby the level of water in the trough in relation thereto remains approximately constant. A trough B is arranged to hang freely by supports b from an arm c pivoted to the tank and rigidly connected to an arm e carrying a float E, the arm e passing through a slot f in the lid F of the tank. Water is supplied to the trough through the pipe D. The trough may be covered by a roof which may also extend over the tank ; bars or strips may extend from the said roof down the sides of the trough to prevent birds from perching on the arm C or gaining access to the trough other than with their beaks. Steps or ledges for the birds may be supported from the ground on either side of the trough.
Patent GB-758159-A (GB)
Title: Improvements in electrical terminations
IPC: H02G15/076
Filed: 1954-07-28
Abstract: 758,159. Terminal boards. SENSI, A. July 28, 1954 [Aug. 8, 1953], No. 22011/54. Class 38 (1). A cable is terminated in an open-topped insulating box 1, preferably of synthetic resin, and the cable conductors secured either in perforations 3a (Fig. 1) or in screw clamp terminals 3 (Fig. 3), the box being then filled with synthetic resin 4 which hardens either with or without the aid of a catalyst. Examples of suitable resins are given in the Specification.
Patent GB-531676-A (GB)
Title: Improved process for the manufacture of refractory articles
IPC: C04B33/13
Filed: 1939-07-29
Abstract: 531,676. Refractory substances. THERMAL SYNDICATE, LTD., and PEEL, G. N. July 29, 1939, No. 22048. [Class 22] In the manufacture of refractory articles, more especially electrical insulators, ground non-plastic refractory oxides such as those of aluminium or magnesium or a mixture thereof are formed into a plastic mass by being mixed with a binder consisting of stearates or other suitable organic compounds of the metals, dissolved or suspended in turpentine, petrol, or other volatile organic liquid. After moulding, the mass is heated first between 300‹C. and 1200‹C., and finally fired at 1600‹C. to drive off the solvent and convert the organic salts into the corresponding oxides.
Patent GB-294941-A (GB)
Title: Improvements relating to combustion product turbines
IPC: F02C3/00
Filed: 1928-07-31
Abstract: 294,941. Ageron, J. A. Aug. 1, 1927, [Convention date]. Working-fluid supply. - The supply of air and hydrocarbon fuel to the explosion chamber 31 of a gas turbine 36 is controlled by cams 8, 9 on a shaft 2 driven by a compressed-air motor 3. The cams act on bellcrank levers 26 which allow spring-pressed admission valves 20, to lift and non-return valves 30 are arranged in the air and fuel pipes 28, 29 to prevent back-firing. The cams 8, 9 are designed so that scavenging air is admitted to the chamber 31 between explosions. The compressed air for the explosion chamber, and for the motor 3 is drawn from a reservoir 4 which is fed by a compressor 5 driven by an auxiliary internalcombustion engine 6. After starting, the engine 6 may be cut out, the compressor 5 then being driven by the turbine. A fuel pump 11 is driven by a cam 10 on the shaft 2. Ignition may be effected electrically by a plug 34, by a heated spiral, or by a catalyzing device, or may be spontaneous. A slide-valve may be arranged in the discharge nozzle 35, and several nozzles may be provided. The pipes leading to the valves 20 may be controlled by valves. The explosion chamber 31 is spherical and is surrounded by a lining 32 of refractory material. Cooling fins may be provided.
Patent GB-279399-A (GB)
Title: Improvements in or relating to flexible hose
IPC: F16C1/26
Filed: 1927-08-24
Abstract: 279,399. Deutsche Gold-und Silber- Scheideanstalt vorm. Roessler. Oct. 22, 1926, [Convention date]. Flexible metal tubes.-A flexible metal hose for enclosing a flexible power-transmitting shaft g consists of a spirally wound wire a which may be of light metal and a profiled metal band b of aluminium, duralumin or other light metal. When made of either of these metals the outer surface need not be nickel plated. Rigid members e, f are provided at the ends for connection with the tool and with the driving shaft.
Patent GB-598036-A (GB)
Title: Improvements in or relating to the separation of 3-picoline, 4-picoline and 2:6-lutidine
Filed: 1945-08-29
Abstract: 3-Picoline, 4-picoline and 2 : 6-lutidine are separated from each other by crystallizing their hydrohalides from alcohol to separate the hydrohalide of 2 : 6-lutidine, and the residue is fractionated by distillation to separate the hydrohalides of 3- and 4-picoline.  The bases are liberated from their hydrohalides in known manner.  In an example, a mixture of 3- and 4-picoline and 2 : 6-lutidine is treated with hydrogen chloride to form the corresponding hydrochlorides, the hydrochloride of 2 : 6-lutidine is separated by crystallizing from alcohol and the residue is distilled to separate the hydrochlorides of 3- and 4-picoline.
Patent GB-1434187-A (GB)
Title: Mutliprocessor computer systems
IPC: H04Q3/545
Filed: 1972-05-12
Abstract: 1434187 Automatic exchange system GENERAL ELECTRIC CO Ltd 11 May 1973 [12 May 1972] 22292/72 Heading H4K [Also in Division G4] In a multiprocessor system controlling inter alia line circuits 19 (Fig. 1), if a fault is discovered which is likely to erase information in core stores relating to, for example, the states of the line circuits 1, roll back action is taken. The roll back routine interrogates, by a processor applying the appropriate channel and subchannel address on lines 14, three interrogate wires Y, S, WS representing the states of particular relays in each line circuit and their information is transmitted back to the processor. If Y = 0 the line is assumed to be idle. If Y = 1 signifying a call is in progress the value of the signal from the wire in S is examined If S = 0 the line is assumed to have an incoming call. If S = 1 the value of the signal from NS wire is examined and if NS is 0 the line circuit is assumed to be in its incoming speech state. If NS = 1 it is not possible to determine exactly the state of the call from the signals on the three interrogate wires and the call is lost. The information derived from each line circuit is entered in the storage location assigned to it in core storage and the process then continues.
Patent GB-359556-A (GB)
Title: Improvements in and relating to refuse receptacles
IPC: B65F1/14
Filed: 1930-07-25
Abstract: 359,556. Street orderlies. WEISS, STAHL-UND METALLWERKE AKT'.- GES., M., 12, Lipot-k÷rut, Budapest. July 25, 1930, No. 22461. Convention date, Oct. 18, 1929. [Class 107.] A refuse receptacle comprises a cover c inclined or curved upwardly towards the front, a floor inclined or curved downwardly towards the front, an insertion opening d provided in the upper part of the front side, and a door f disposed in the lower part of the front side and adapted when open to allow the receptacle to empty of itself. The side walls a of the box are perforated. The door f is rotatable on an axle e and is arranged to be locked by a bolt g. The box is adapted to be secured on to a lamp standard i or the like by clips h.
Patent GB-405048-A (GB)
Title: Improvements relating to electric trolley wires or conductors
IPC: B60M1/13
Filed: 1932-08-11
Abstract: 405,048. Electric trolly wires. NORTH, N. E., Pinehurst, Oxhey Lane, Watford, Hertfordshire. Aug. 11, 1932, No. 22484. [Class 104 (iii).] The trolly wires a of electric railways &c. are provided on the wearing surface with wear-resisting material b in strip or wire form, consolidated on or in the wire by passing them continuously through rolls and /or by a continuous drawing operation through a die or dies. The wire and strip &c. may be passed through cleaning, fluxing, and molten metal baths before passing through the rolls &c., or they may be welded after being mechanically united.
Patent GB-1043878-A (GB)
Title: Improvements relating to the coating of backing materials
Inventor: THOM WILLIAM
IPC: B05D5/06
Filed: 1964-05-30
Abstract: Backings e.g. walls, wallboard, cement plaster, are coated by applying to the surface of the backing material a liquid layer of synthetic resinous composition containing sand in suspension, speckling the wet layer with a liquid synthetic resinous composition essentially free from sand and drying the layer and specks.  The wet layer may be pressed e.g. by rolling, to level the gritty surface presented by the sand prior to the speckling thereof.  Contrasting pigments may be included in the different resinous compositions.  As specifically described, a first layer of the sand-containing synethic resinous emulsion containing a pigment is applied by brush, rolled and dried, a second layer of the composition is then applied, rolled and sprayed thinly while still wet with a sand-free synthetic resinous emulsion containing a different pigment to speckle the layer.  The speckling is then repeated with a similar emulsion containing a different pigment and the coating allowed to dry.  The synthetic resinous emulsion may contain polyvinyl acetate.