baber/WOPTO huggingface dataset:
Patent GB-818018-A (GB)
Title: Improvements in co-axial line hybrid junctions
Inventor: GODDARD NORMAN EDWARD
IPC: H01P5/22
Filed: 1957-06-11
Abstract: 818,018. Frequency changer circuits. MULLARD Ltd. June 11, 1957, No. 18397/57. Class 40 (6). [Also in Group XL (b)] A coaxial line hybrid mixer junction of the ring type comprises an annular inner conductor 3 whose end portions 4, 5 overlap and are joined at their extremities 6, 7 to the outer conductor. The overlapping portion occupies an arc of about 60 degrees and has a crosssection (shown in Fig. 4) equal in diameter to the main portion of the conductor. The annulus is provided with branch conductors 8, 9, 10, 11, 12, 13 which form the inner conductors of input and output coaxial arms and coaxial tuning stubs. The outer conductor of the circuit is provided by a mating pair of machined blocks 1, 2. The upper block 1 is formed with two cylindrical conductive housings 23 dedesigned to receive crystals 40 connected to the branch conductors 10, 11. The crystals rest within insulating cups 24. Branches 12 13 extend within hollow bosses 28, 29 on the lower block 2. They are short-circuited to the bosses at their ends by washers 33 and thus form matching stubs for the crystals 40. Branches 8, 9 form the inner conductors of input and output coaxial sockets. The outer conductors of these sockets are bolted to the blocks 1, 2.
Patent GB-496105-A (GB)
Title: Improvements in and relating to footwear
IPC: A43B1/02
Filed: 1938-06-21
Abstract: 496,105. Boots and shoes. KUSTER, W. June 21, 1938, No. 18412. Convention date, Aug. 7, 1937. [Class 17 (ii)] A plaited strip with a draw string in each longitudinal edge c, d is placed around the forepart of a last with one side portion a extending around the sides of the last and the other side portion b around the sole, and the strip is conformed to the shape of the last to form a shoe vamp by tensioning the draw strings. The opening between the edges at the top of the last is closed by hand plaiting. A sole may be attached by adhesive.
Patent GB-1148384-A (GB)
Title: Improvements in and relating to vane-type hydraulic dampers
Inventor: BARTRAM MERVYN
IPC: F16F9/14
Filed: 1965-05-01
Abstract: 1,148,384. Vane type hydraulic dampers. ARMSTRONG PATENTS CO. Ltd. 29 April, 1966 [1 May, 1965], No. 18419/65. Heading F2S. In a vane type hydraulic damper, particularly for use in vehicle steering assemblies where its resistance decreases as the steering is moved from a centre to the full lock position and which comprises a body member 20 having an hydraulic chamber 22 in which is received an angularly displaceable vane 24 carried, at the inner end of a spindle 26, the vane 24 dividing the chamber 22 into two compartments 30, 32 which are connected by well known types of damping valves, not shown, incorporated in the spindle 26, the two compartments 30, 32 are also connected independently of said damping valves, by an hydraulic by-pass whenever the vane departs from a predetermined central region, said by-pass being designed progressively the less to damp the vane movement the more the vane is displaced from the central regionof the chamber 22. As shown the by-pass which shunts the ordinary damping valves and which is controlled in dependence upon the position of the vane 24 comprises a pair of circumferentially spaced-arcuate grooves 34, 34 in circumferential alignment in the lower wall of the chamber 22 as shown and/or, in a top closure plate. Alternatively straight grooves (42), Fig. 5, not shown, of progressively increasing width, or depth, may be disposed with angular symmetry about a bisector (40), or grooves (44), Fig. 6, not shown, may be disposed asymmetrically relative to the bisector 40. In any of the arrangements one of the grooves may be provided in the top plate and the other in the body member 20.
Patent GB-1042324-A (GB)
Title: Pressing machine
IPC: D06F71/06
Filed: 1963-05-09
Abstract: 1,042,324. Ironing press. HOFFMAN MASCHINEN G.m.b.H. May 9, 1963, No. 18469/63. Heading D1A. The upper plate 3 of an ironing press is carried on an arm 4 actuated through a toggle linkage 9, 10, 11 by a piston 11a in a pneumatic or hydraulic cylinder 13. The closing operation is effected in two stages, the first, upon the manual operation of a valve 23 being a rapid closure stage, which is terminated when a cam projection 30 on link 10 engages the feeler 29 of a valve 28 which thereupon supplies a fluid impulse for closing a switch-over valve 25 for stopping the fluid supply to cylinder 13. The pressing stage is then carried out by actuating another valve 35 in addition to valve 23. By an electrical or other connection between valve 23 and a switch-over valve 37 the latter is opened with valve 23 so that pressure fluid is supplied therethrough to the cylinder 13. The operation is terminated by opening an exhaust valve 39 by a pedal lever 40. The valve 28 is on an arm 31 which is pivotally adjustable by an adjustment device 34a to vary the point at which the closure stage stops.
Patent GB-304102-A (GB)
Title: Improvements in or relating to machines for stropping the blades of razors
IPC: B24D15/08
Filed: 1928-06-26
Abstract: 304,102. Carpentier, L. June 26, 1928. Stropping-apparatus for razor blades consists of a casing 1 in which are rotatably mounted two feltcovered rollers 2, 3, the roller 2 being driven by a handle 5 and driving the roller 3 frictionally; the axle 6 of the roller 3 is mounted in slots 7 and pressed by springs 8. Slots 9 in the casing receive a hinged blade holder 10 so that the edge of the blade 14 lies at the line of contact of the rollers, the holder being reciprocated lengthways during stropping by an inclined disc 16, mounted on the spindle 4 of the roller 2 and engaging one of slots 15. 15<1> in the holder. The position of the holder in the slots 9 may be adjusted by pieces adjustably secured in the slots by screws and nuts 21.
Patent GB-800568-A (GB)
Title: A pest control composition
IPC: A01N59/20
Filed: 1957-06-12
Abstract: Pesticidal compositions comprise combinations of fungicidal copper compounds, e.g. copper oxychloride or cuprous oxide with compounds of silver, e.g. sulphide, cadmium, e.g. sulphide, cobalt, e.g. resinate or bichromate, molybdenum and tin, e.g. stannic chloride.  Other fungicides and insecticides may also be incorporated.
Patent GB-1035928-A (GB)
Title: Process for the production of liquid epoxides of polydiolefines
IPC: C08C19/06
Filed: 1963-05-10
Abstract: A liquid polydiolefin containing at least 50% of centrally located isolated double linkages is epoxidized.  These are polymers obtained from 1,3-diolefins in which the monomers are largely or completely linked by 1,4-addition.  Specified polymers are 1,4-cis-, 1,4-trans and 1,4-cis-trans - polybutadiene, 1,4 - polydimethylbutadiene, 1,4 - cis - polyisoprene, 1,4 - polychloroprene and 1-4 copolymers of butadiene and isoprene while copolymers of butadiene or isoprene with styrene acrylonitrile and methacrylic acid esters which contain the diene mainly as 1,4-polymer are also included.  Any known epoxidizing agent may be used.
Patent GB-991606-A (GB)
Title: Improvements in or relating to floors
IPC: E04F15/18
Filed: 1961-05-23
Abstract: 991,606. Floor panels; floors. HENRICH REIMERS G.m.b.H. May 23, 1961 [May 27, 1960], No. 18598/61. Headings E1B and E1V. [Also in Division H5] A floor, including undersurface grooves which are open to the sides of the floor for ventilation and contain electric heating elements, may comprise, as shown, a plaster layer 3 to which is secured by adhesive suitably grooved panels 4 of synthetic plastic, fibreboard, or parquet. Alternatively the grooves are formed in the plaster layer 3 and the covering panels have incisions on their under-side to prevent deformation. The grooves may be coated with aluminium foil or paint and the construction includes an insulating layer 2. The covering panels provided with the grooves may be presecured to plaster slabs which provide the layer 3. Specification 816,149 is referred to.
Patent GB-1163432-A (GB)
Title: Folding Chair II
Inventor: VERI MARGOT
IPC: A47C1/12
Filed: 1966-08-19
Abstract: 1,163,432. Folding chairs. M. VERI. 19 Aug., 1966, No. 18612/66. Heading A4J. A chair, in which the seat folds upwardly towards the backrest, while a front leg frame 4 folds inwardly towards the underside of the rest, has locking means at the pivot 19 which one engaged by a downward movement of the front of the unfolded seat relatively to frame 4. As the front of the seat is lifted. to return the chair to the folded position, the bolts (9 or 18<SP>1</SP>) of the locking means drop from their mating recesses and enable the leg frame 4 to be folded. An additional locking device 30 and foldable arm rests 36 may be provided. A screw cap 24 may act as a safety lock.
Patent GB-338864-A (GB)
Title: Process for the manufacture of articles of reinforced concrete
IPC: B28B23/04
Filed: 1929-06-18
Abstract: 338,864. Freyssinet, E., and Seailles, J. Oct. 2, 1928, [Convention date]. Centrifugal machines.-In making reinforcedconcrete articles such as posts, girders, plates, railway sleepers, gutters, fences and panels erected or employed after setting and hardening, reinforcing members of high tensile steel are used and are tensioned while in the mould, so that in the finished article the concrete is under initial compression and the reinforcing members are under initial tension. The reinforcing bars may be anchored in a fixed frame and tensioned by hooks acting through tension indicators d<1>, d<2>. Anchoring stops 3 - - 6 are provided on the bars, which transmit the tension to the concrete when the latter has set. The bars may be heated when in the mould, as by electric current, so that they may be tensioned when at normal temperature. A series of parallel sided or tapering moulds may be' placed end to end and the moulded article severed into the required portions after setting. A centrifugal mould c, Fig. 7, for moulding a pipe may be provided with hydraulic jacks VI, 2, 3 which tension the bars 17. Wedges or stop pins may be inserted to retain the bars in a state of tension in order that the tensioning apparatus may be disengaged. The bars may be tensioned by cams, wedge levers or screw and nut gear, and may be anchored by external plates.
Patent GB-1466371-A (GB)
Title: Electro-optic display devices
IPC: G09F9/30
Filed: 1974-04-29
Abstract: 1466371 Modulating light E BAUCHES SA 29 April 1974 [21 May 1973] 18732/74 Heading G2F In a display device of the type comprising a shaped layer of solid electrochromic material, changes colour in response to an electric current, on a transparent electrode and a liquid electrolyte disposed between the shaped layer and a counterelectrode, the electrolyte is doped with a salt of a cation selected to render insoluble the products derived from the electrochromic material during operation of the device, and so preserve the shaping of the layer. For example, with a layer of WO 3 , it is believed that isopolytungstic acids are produced in the presence of an acid electrolyte. Large ions such as K<SP>+</SP>, Rb<SP>+</SP>, Cs<SP>+</SP>, Ca<SP>2+</SP>, Ag<SP>+</SP>, Tl<SP>+</SP>, Sr<SP>2+</SP>, Pb<SP>2+</SP>, NR 4 <SP>+</SP>, PR 4 <SP>+</SP>, (ferrocene)<SP>+</SP>, and Ba<SP>2+</SP> form insoluble salts therewith. BaSO 4  present at, or in excess of, saturation levels, is prefered. Reference has been directed by the Comptroller to Specification 1186541.
Patent GB-662200-A (GB)
Title: Apparatus for playing a board game
Inventor: ROBBINS ROBERT LASH
IPC: A63F3/00
Filed: 1949-07-15
Abstract: 662,200. Board games. BYERS, G. L. July 15, 1949, No. 18748/49. Class 132 (ii). Apparatus for playing a board game comprises six playing pieces, differently coloured and/or differently numbered, six sets of differently coloured " stock certificates " and a board marked as shown in Fig. 1. The board is marked with a circular band B divided into 6 differently coloured segments 1-6 each of which is divided into four areas 1a-1d &c. for the reception of stock certificates according to the progress of the game. In the centre of each segment is a circle 13 divided into two to serve as the start and finish for the appropriately coloured playing pieces. From each circle a track 16 extends to a centre spot 15, the pieces being invulnerable on this track. A circuitous track 14 runs from spot 15 and returns thereto and has geographical locations marked thereon, which are points of invulnerability. The track 14 is formed as touching circles coloured successively to correspond with the playing pieces which are moved in accordance with the throw of two dice from their starts along the tracks 16, along track 14 and back along the tracks 16 to their respective finishes, stock being dealt in as they progress in accordance with rules.
Patent GB-1189152-A (GB)
Title: Method and apparatus for Steering Marine Craft
Inventor: TATTERSALL EDWARD GUNSTON
IPC: B63H25/38
Filed: 1967-04-24
Abstract: 1,189,152. Water Jet apparatus. HOVERMARINE Ltd. 24 April, 1967, No. 18772/67. Heading B7V. A marine craft is provided with a pair of water rudders 9 each mounted in the slipstream from a ducted propeller 7 and each mounted by bearings 10 on a ring member 11 mounted in the craft for rotational movement about its own axis. The outer periphery of each ring 11 is toothed to be driven by a motor-driven pinion 15 and each rudder is driven about its pivotal axis by a motor 16. The axes of ring members 11 are spaced apart laterally of the vehicle or craft and if the ring members 11 are rotated in opposite directions so that the rudders are angled equally in end elevation to positions in which their axes intersect at a point above the rudders and are normal to a fore-and-aft axis of the vehicle or craft, movement of the rudders in the same sense will apply a couple to the vehicle or craft about a longitudinal axis passing through the C.G of the craft to cause a banked turn.
Patent GB-455159-A (GB)
Title: Improvements relating to apparatus for removing sediment and scum from settling tanks or reservoirs
IPC: B01D21/04
Filed: 1935-07-01
Abstract: 455,159. Gravity-separation apparatus. DAVIS, C., The Cedars, Redditch Road, Kings Norton, Birmingham, and FARRER, W. G., The Ridge, Warwick Road, Solihull, near Birmingham. July 1, 1935, No. 18779. [Class 111] A scraper 4 for removing sediment and floating matter from a settling - tank is carried by one or more arms 5 which are slidably supported by rollers 8 on a carriage 1 moving on rails 2 over the tank. The scraper is shown in position for removing scum but it can be lowered vertically by means of a cable 13 and winding gear 12 to the position for scraping sediment from the bottom of the tank. The arms have hooks 7 which engage the rollers 8 in the lower position.
Patent GB-515658-A (GB)
Title: Improvements relating to ticket printing mechanism for steelyard weighing apparatus
IPC: G01G23/00
Filed: 1938-06-25
Abstract: 515,658. Weighing-apparatus. ASHWORTH, ROSS, & CO., Ltd., and MILLS, R. A. June 25, 1938, No. 18876. [Class 143] Printed records, appratus for giving.-In a steelyard apparatus means for preventing a printed record being taken on an inserted ticket unless the poise weight or weights are in their notches comprises a slider 9 for obstructing the ticket slot 12, a lifting cam 8, a bellcrank lever 7 and a nit or nibs 5 adjustably secured on the lever 7 in such a position as tc engage auxiliary notches in the usual rack extension or extensions of the poise weight or weights. If a poise weight is not correctly positioned in its notch, the nib 5 fails to enter the notches of the rack extension and the long arm of the lever 7 occupies the position shown in full lines and holds the slider 9 in a raised position so as to obstruct the ticket slot. When the nibs 5 enter the notches in the rack extensions the lever 7 assumes the position shown in broken lines and the cam and slider fall by gravity and clear the ticket slot so as to permit the ticket to be inserted and a record to be taken.
Patent GB-517377-A (GB)
Title: Improvements relating to electric light fittings
IPC: F21S8/06
Filed: 1938-06-25
Abstract: 517,377. Lampshade holders. OSLER, Ltd., F. & C., and BARNICUT, J. M. June 25, 1938, No. 18899. [Class 75 (ii)] A lighting fitting comprises a cylindrical member 7 flanged at its lower end 8 to support a globe 9 and having a flanged sleeve 11 to steady the globe adjustably mounted thereon, and a member 2 mounted above but spaced from the member 7 to provide ventilation for a lamp mounted within and adapted to be secured directly, e.g., by screws 6 or indirectly, e.g., by tubes or chains to a ceiling or other support. The flange 8 is elliptic so that it may be inserted through and yet support the open neck of the globe 9. To facilitate rewiring the lamp the members 2 and 7.may be (i) detachably secured together by screws 15, fig. 4, through the member 7 into lugs 14 on the member 2, or (ii) fixedly secured together and to a socket threaded on to a lamp holder supporting rod. depending from the ceilng, so that on rotating the fitting to unscrew it from the rod it may be lifted up above the lamp holder.
Patent GB-1535027-A (GB)
Title: Method and apparatus for breaking a hard compact material such as rock or concrete
IPC: E21C37/04
Filed: 1977-05-06
Abstract: 1535027 Rock-breaking appliances INSTITUT CERAC SA 6 May 1977 [25 May 1976] 19045/77 Heading E1F [Also in Division B5] A method of breaking a hard, compact material, e.g. rock or concrete, involves drilling a hole into the material, gripping a region of the wall of the hole by applying a radially, outwardly directed force thereto and then applying an axially outwardly directed force to the gripping region, the forces being of sufficient magnitude so as to cause cracks to arise in the wall of the hole and in the case of at least one of the forces, said force or forces is or are generated by means of sequentially repeated axially directed impacts. The apparatus shown involves only means for applying and creating the forces. A second embodiment has additional means in its construction for drilling the hole as well as applying and creating the forces. The first means comprises a hammer piston making impacts of variable magnitude on one or a pair of shoulders 5, 4 on a rod 3 carying a wedge 2 for expanding wedging means 1 of the apparatus. Swiss Specification 598472 is referred to.
Patent GB-911351-A (GB)
Title: A new or improved portable housing structure
IPC: E04H15/44
Filed: 1960-05-30
Abstract: 911,351. Greenhouses. FITZGERALD, W. M. July 28, 1961 [May 30, 1960], No. 19048/60. Class 20 (1). A greenhouse comprises uprights 5, inverted V-shaped members 10 interconnecting pairs of uprights; spigots 14, 15 extending transversely of the member 10 whereby adjacent pairs of uprights may be interconnected by ridge 16 and eaves 17 rods. The uprights 5 are inserted in the ground, the degree of penetration being determined by an abutment 6 engaging either a plate 7 or an angle-iron 8 having a plurality of holes 26. Polythene sleeving comprises the roof, extending around rods 17 and over rod 16; and the walls are formed by a length of polythene which encircles the structure, being suspended from a line extending around the structure at eaves level, Fig. 3 (not shown). The ends of the wall strip are secured to rods which engage appropriate ones of the holes 26 in the angleiron 8 to form a doorway.
Patent GB-478198-A (GB)
Title: Process of producing cast iron in a cupola furnace
IPC: C21B11/02
Filed: 1936-07-09
Abstract: In the production of cast iron in a cupola furnace, the blast for which is preheated in an air heater heated independently of the furnace, the blast air is preheated to 400-700 DEG  C., the amount of coke being reduced at least to 8 per cent of the cast iron iron charge, this amount being also further reduced, if desired, by 1-3 per cent according to the temperature of the blast air.
Patent GB-994568-A (GB)
Title: Bladed structure
Inventor: BILL ARTHUR
IPC: F01D9/04
Filed: 1964-05-07
Abstract: 994,568. Axial flow compressors; blade fixing. ROLLS-ROYCE Ltd. May 7, 1964, No. 19119/64. Headings F1C and F1T. A bladed structure, which may constitute the stator assembly in a gas turbine engine compressor, comprises inner and outer casings 20 and 21 respectively spaced by annular members 22, 23, a number of angularly spaced apart aerofoil blades 25 closely mounted within holes 26 and 27 in the two respective casings, each hole in the outer casing being disposed in a grooved portion thereof, each blade being welded, cemented or otherwise bonded to the outer casing, and an external casing 16 closely surrounding the outer casing. For each stage of stator blades, the outer casing 21 is either provided with one annular circumferential groove, Fig. 3 (not shown) or a ring of angularly spaced grooves, Fig. 4 (not shown), one for each blade. The casings 20, 21 and 16, the spacing members 22, 23 and the stator blades 25 may be of synthetic resin material, the grooves serving as receptacles for the cement securing the stator blades to the casing 21. Alternatively, the stator blades may be metallic and welded to casing 21.
Patent GB-238535-A (GB)
Title: Method of and apparatus for detecting leaks in oil-purifying devices
IPC: G01M3/00
Filed: 1925-07-29
Abstract: 238,535. British Thomson-Houston Co., Ltd., (Assignees of Moody, W. S.). Aug. 15, 1924, [Convention date]. Mineral and tar oils, purifying.-In apparatus for purifying a body of electrical transformer or other oil 2 by circuiting it through a filter - paper or other press 7 by a pump 8, leaks are first tested for by forcing the oil into a closed chamber 14 until the nitrogen, air, or otber gas therein is compressed to say 15-20 lb., closing valve 17, and stopping the pump so that t'he oil in the chamber 14 is forced under pressure into the whole of the system between the valves 5 and 17 and oozes out at any fault.
Patent GB-1319891-A (GB)
Title: Switching arrangement of a transistor switching amplifier more especially for the drive of a time-keeping instrument
IPC: H03F1/30
Filed: 1971-06-08
Abstract: 1319891 Electronic timepieces K DIEHL 8 June 1971 [26 June 1970] 19361/71 Heading G3T A drive circuit for sustaining and stabilizing the amplitude of oscillation or speed of rotation of a vibratory or rotary electro-mechanical transducer, respectively (not shown) in a timepiece, comprises a drive transistor T 1 , (Fig. 1) a regulating transistor T 2 , a drive coil A w , a control coil S w , and a battery B. In operation, with switch S closed C 1  is charged via R 1  and T 1  conducts passing current through drive winding A w , which co-operates with a permanent magnet on a vibratory or rotary member causing movement thereof. Thereby alternating voltage is induced in control winding S w  and which is superimposed on the D.C. voltage at the base of T 1 . As a result current fluctuations occur through winding A w  giving drive impulses to the magnet member, and increasing the induced voltage in winding S w , hence increasing the drive current in A w . The control voltage derived across S w  is applied across the base/ emitter of T 2  and with 180 degrees phase shift with respect to control voltage of T 1 , and in addition to a voltage derived from a voltage divider R 2 , R 3 . Consequently T 2  conducts causing C 1  to  discharge. As its conductivity increases due to increased induced voltage in S w , it causes a heavier discharge from C 1  and hence a reduced base/emitter voltage at T 1  and reduced drive current in winding A w  and so on until equilibrium is reached. In a modification Fig. 2 (not shown) a voltage dependent resistor in form of a diode is connected between R 2  and the battery positive terminal, whereby to effect a greater variation in the control voltage of T 2 . The arrangement may be constructed as an integrated circuit module. A capacitor C 2  serves to suppress self-excited high frequency  oscillations. The arrangement provides regulation which is relatively insensitive to variations in the supply voltage or temperature or to fluctuations in load imposed by the mechanical system. The surface area of the base electrode of T 1  is smaller than that of T 2  so that the transistors will have different threshold values.