baber/WOPTO huggingface dataset:
Patent GB-630624-A (GB)
Title: Improvements in the method of making cathodes for thermionic valves
IPC: H01J9/04
Filed: 1947-03-04
Abstract: 630,624. Cathode materials and processing. COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. March 4, 1947, No. 6170. Convention date, March 5, 1946. [Class 39 (i)] Indirectly heated cathodes for thermionic valves are manufactured by embedding a heating filament F, Fig. 1, insulated by a thin coating of a substance such as periclase or magnesite which is deposited on the filament by cataphoresis, in a powder of such metals as nickel or tungsten, with optional additions of aluminium, magnesium or titanium, which is compressed and heat treated to form a pellet P which may be shaped like a tennis racquet, having the filament leads f<1>, f<2> embedded in the handle, and which receives the emitting substance on its surface. According to an alternative method of manufacture, twin half-pellets P, Fig. 2, having grooves E to contain the filament, are pressed together and baked, use being made in some cases of an intermediary substance in the form of a metallic paint. The Specification as open to inspection under Sect. 91 comprises also the inclusion of metals such as magnesium and barium in a cathode according to the invention, said metals vaporizing in vacuo and condensing on cold portions of the bulb, thus providing a method of manufacturing photo-electric cells, or a method of gettering. It is also stated that the method according to the invention may be applied to the manufacture of emitting anodes. This subject-matter does not appear in the Specification as accepted.
Patent GB-131064-A (GB)
Title: Improvements in Cartridge Feed Mechanism for Automatic Guns.
Inventor: MANSELL JOHN HERBERT
IPC: F41A9/26
Filed: 1918-04-11
Abstract: 131,064. Mansell, J. H., Redpath, R., and Hellberg, H. April 11, 1918. Machine guns.-Consists in providing in cartridge-feed mechanism for automatic guns, a magazine consisting of cartridge trays pivoted at their rear ends to the periphery of a drum and having their front ends locked to the drum by catches. Fig. 1 shows the trays 11 pivoted at their rear ends 110 to the drum 10, the front ends being locked to the drum by spring- controlled catches 12. The drum is mounted upon a pivoted arm 130 and has upon its front end teeth 101 which gear with teeth 141 on a cam cylinder 14 carried by the cradle 15. The cam cylinder is actuated by means of a spring plunger 20 carried on a slide 193 which is reciprocated, when the gun recoils or is run out, by a quickpitched screw 19, pinion 191, and a rack 18 which latter has a pin 181 engaging an inclined groove 171 in a sleeve 17 keyed to the gun barrel. This groove is so formed that when the gun is run out the plunger 20 causes the cylinder 14 to turn the angular distance between two trays on the magazine, bringing a full tray above the gun. A pivoted feed lever 21 actuated bv means of a cam-groove 244 in the breech block 25 is then turned, first releasing the catch 12 locking the forward end of the tray, and then turning the tray upon its pivot 110. The breech block 25 as it moves forward then engages the cartridge and pushes it into the breech and also turns the tray into its original position where it is locked to the drum by its catch. To enable the magazine to be turned down into the position shown in chain lines for changing a drum, the arm 130 is pivoted to a slide 132 locked in the forward position by a spring plunger 135.
Patent GB-1435843-A (GB)
Title: Irradiation of an object by x-rays
IPC: G01T1/29
Filed: 1974-02-11
Abstract: 1435843 X-ray exposure monitor SIEMENS AG 11 Feb 1974 [10 Feb 1973] 06184/74 Heading H5R [Also in Division G1] In X-ray irradiation apparatus, a beam balancing device is associated with the X-ray generator so that a uniform intensity of X-rays is provided over the cross-sectional area of the beam, monitor detectors being provided on and off the beam axis to detect any lack of uniformity. In the Fig. 1 arrangement the generator is a betatron having an anticathode 6 from which the X-ray beam is formed, emerging via window 7. An adjustable diaphragm 8, 9 is provided. The beam-balancing member is a conical absorber 11, which is swung into position. When a smaller cross-section beam is used, a smaller absorber 13 is used for balancing. A detector 16 on the beam axis and another 17 at a point on the edge of the beam area, are connected to a differential amplifier, which senses when the ratio of the doses measured by the two detectors deviates from a predetermined value representing a uniform cross-sectional distribution of intensity for the beam (i.e. correct positioning of the beam balancing device). In the case of such a deviation, an optical and audible alarm are activated and the betatron switched off. When the preset prescribed dose has been received as measured by detector 16, the betatron is switched off. Respective indicators are also provided for the outputs of the two detectors. In an alternative embodiment, a discshaped detector 33 and an annular detector 34 of substantially equal effective areas are mounted on the back of the beam balancing device 27. Instead of a betatron, a linear accelerator may be used'to generate the X-ray beam and a similar beam-balancing device is used, Fig. 5 (not shown).
Patent GB-415767-A (GB)
Title: Improvements in alternating current transmission systems such as telephone systems incorporating echo suppressors
IPC: H04B3/20
Filed: 1933-03-01
Abstract: 415,767. Two-way repeaters. RYALL, L. E., 52, Crescent Gardens, Eastcote, Middlesex. March 1, 1933, No. 6227. [Class 40 (iv).] In a two-way repeater in which speech in either path disables the other, the blocking condition is determined by the direction and magnitude of a direct current derived from the difference of the anode currents of two valves of which the grid potentials are controlled by condenser charges due to the signals in the two paths respectively. Fig. 1 shows a network comprising three metal rectifiers 5, 6, 7 of which the attenuation to speech currents is variable in accordance with the direct current applied at the points 9, 10. Fig. 2 shows a four-wire repeater having such networks 51, 52 interposed between the transformers 21, 27 and 22, 28, the control current being obtained from the amplifying valves 43, 44. The points 47, 48 are normally at the same potential and a biassing current through a high resistance 49 flows in parallel through the networks and adjusts their attenuation almost to a minimum. Assuming speech currents arrive at the transformer 21, a portion of the output of the valve 44 passes to a step-up transformer 29 and rectifiers 35, 36, and the rectified voltages are applied across condensers 39, 40 connected in the grid circuit of the valve 43, causing anode current to flow. The total current through the network 52 thus decreases and may eventually become reversed, thereby increasing its attenuation sufficiently to prevent transmission through the transformer 22. At the same time the total current through the network 51 increases and tends to reduce its attenuation. The transformer 29 is tuned by a capacity 31 to a frequency of about 1000 cycles to prevent the feed-back of harmonics and to prevent interference by low-frequency signals. When the rectified voltage becomes equal to the normal negative grid bias supplied by the battery 61, grid current flows and prevents any further increase of rectified voltage.
Patent GB-734878-A (GB)
Title: Improvements relating to storage devices
IPC: A47B81/06
Filed: 1953-03-06
Abstract: 734,878. Cabinets. COBB, W. R. Feb. 24, 1954 [March 6, 1953], No. 6266/53. Class 52 (1). A cabinet has a contents-supporting element pivoted to a closure 3 at its forward end and connected to the body by links 6 at its rearward end, the arrangement being that the centre of gravity of the contents travels in a substantially horizontal direction as the cabinet is opened. The element may consist of a rack 1 for gramophone records.
Patent GB-1162311-A (GB)
Title: Improvements relating to the Feeding of Wire in Arc Welding Processes
Inventor: BROWN KENNETH WILLIAM
IPC: B23K9/133
Filed: 1967-02-09
Abstract: 1,162,311. Welding by fusion. WELDING INSTITUTE. 5 Feb., 1968 [9 Feb., 1967], No. 6314/67. Heading B3R. In a wire feed device for feeding welding or filler wire 6 in consumable or non-consumable electrode arc welding processes respectively, variations in wire tension are substantially compensated, so that the wire is fed at a substantially constant rate, by the wire rising and falling in a wedge - shaped groove whereby the tractive effort applied to the wire varies corresponding to the fluctuations in tension, the groove being formed round the periphery of a rotatable body 10 of circular cross-section, the device further comprising one or more bodies 12 also of circular cross-section resiliently urged e.g. by compression spring 18, toward the body 10, a first guide means, e.g. a fixed pulley 14, having a peripheral groove, for aligning the wire with the groove at one end of an arc of the periphery, a second guide means 24 for leading the wire from between the bodies 10, 12 at the other end of the arc and means 20, e.g. a tension spring loaded pulley for tensioning the wire over the length of the arc. Wire is fed from a reel 16 having a friction hub 22 to the pulley 14, the peripheral groove of which is wedgeshaped and has a larger angle of acceptance, e.g. 90 degrees, than the groove in the body 10, the latter groove defining an angle of, e.g., 45 degrees. The bodies 12 have plain peripheral surfaces. Welding using a filler wire and microplasma torch is referred to.
Patent GB-398737-A (GB)
Title: Improvements in or relating to chairs, settees and like seats
IPC: A47C1/026
Filed: 1933-03-02
Abstract: 398,737. Chairs. BROCK, A. C., 10, Bridgford Road, West Bridgford, Notting- hamshire. March 2, 1933, No. 6368. [Class 52 (ii).] In a chair or settee having a part such as a back or side which is adjustable for angular position and means for biasing said part towards an erect position, a catch is provided for holding the part in the desired position, with an operating member located at a position remote from the catch and a coupling, preferably a flexible cable between the operating member and the catch. For example, a chair is provided with an adjustable back 14, Fig. 1, hinged at 15 and supported by a telescopic strut 19, 21 containing a compression spring by which the back is biased towards the vertical position. A catch comprising a plunger 26, Fig. 2, mounted in a housing 28 on the outer tube 19 of the strut and adapted to engage in holes 32 in the member 21 is operated by a sheathed cable 25 from a hand lever 27, Fig. 1, mounted on the arm of the chair. The cable is preferably concealed within the upholstery. Specifications 190,233 and 203,012, [both in Class 52 (ii), Furniture for sitting &c. upon], are referred to.
Patent GB-195845-A (GB)
Title: Improvements in and connected with locking devices for electric incandescent lamps, fittings and the like
IPC: H01R33/97
Filed: 1922-03-04
Abstract: 195,845. Stone & Co., Ltd., J., (Bury, R. R.). March 4, 1922. Bayonet-joint fastenings.-A locking-device for preventing unauthorized disconnection of bayonet cap lamps or other devices having a bayonet joint comprises two rings, Figs. 3 and 4, one of which, j, is screwed to fit on the lamp socket or the like and has ratchet means, such as l, adapted to engage similar means m on the other ring k which also makes locking engagement with the bayonet pins of the lamp or other fitting, the arrangement being such that the plug which carries the pins must be deformed before it can be removed from its socket. In the form shown, the second ring is slipped into the first. In use, the ring j is screwed on the socket e, Fig. 2, so far that the ring k, when inserted is clear of the bayonet slots and has its recesses n opposite the axial limbs of the bayonet slots, as shown. The lamp or the like is inserted and turned until its pins are at their normal position at the ends of the slots, the ring k being thereby also slightly turned by the pins. The ring is then turned slightly in the direction for removing it from the socket so that its ratchet surface engages that of the ring k and locks the pins firmly in the bayonet slots. The lamps or the like is removed by deforming its plug with pliers or other tool so as to withdraw the pins from the slots, the socket and locking-rings being left intact for further use.
Patent GB-977952-A (GB)
Title: A game
IPC: A63B67/00
Filed: 1963-02-18
Abstract: 977,952. Games. P. A. LATHAM. Feb. 18, 1963, No. 6484/63. Heading A6D. Apparatus for playing a game comprises a structure for location in one corner of a recreation room, and made up of two rigid panels 10, 11 juxtaposed so as to define a comer of less than 90 degrees, and tilted so that their line of intersection 13 forms an acute angle with the playing surface. The structure is used together with a hard rubber ball 56 for propelling against the panels with the aid of bats 57. The bats comprise a sheet of aluminium, plastics or plywood, reinforced with T-shaped handle portions 64 of plywood. Serving lines 17 and 18 are marked on the panels, and plastics tapes backed with pressuresensitive adhesive may be used to mark out a playing area on the floor of the recreation room.
Patent GB-771704-A (GB)
Title: Improvements in or relating to ladies' handbags
IPC: A45C7/00
Filed: 1955-03-04
Abstract: 771,704. Handbags. PARNES, G. May 19, 1955 [March 4, 1955], No. 6492/55. Class 133. One or more side walls of a handbag are moveable outwardly as permitted by flexible connections with the bag interior, to increase the capacity. As shown, side walls e are hinged to the bag top wall h and have end and bottom flaps m, j, which are accommodated between the bag exterior and lining members l, n, when the walls e are in their inner position. The flaps j are joined by flexible members k to the bag bottom to limit the outward expansion. In other embodiments (not shown), the side walls may be hinged at the base, or may be moveable bodily outwardly so as to remain in planes parallel to those in which they originally lay.
Patent GB-819904-A (GB)
Title: Improvements relating to conveyors
IPC: B65G21/02
Filed: 1956-03-02
Abstract: 819,904. Endless belt conveyers. THOMPSON (WOLVERHAMPTON) Ltd., J., and THOMAS, J. R. Feb. 28, 1957 [March 2, 1956], No. 6536/56. Class 78 (1). In a belt conveyer for quenching furnace ash wherein the belt 12 is caused to pass through a trough containing quenching liquid, e.g. water, and by means of troughing wheels 13, to assume a troughed form with its edges contacting the trough walls 19, there are provided, in addition to terminal sludge receiving pockets 31 in end sections 15 of the trough, one or more sludge receiving pockets 17b in an intermediate section 16 of the trough. Preferably two of the latter pockets extend from either side of the trough inwardly towards the centre of the trough and have a floor which slopes downwardly towards their outer ends 18. Each pocket may be provided with a removable plate so that it can be flushed out at intervals. Where frequent flushing is necessary a duct 21 is secured to the outer end 18 of the pocket and is provided with a vertically slidable sluice gate 23 carrying racks 24 through which it is raised and lowered by pinions 25 operated by a hand wheel 28. Further pockets may be provided in the trough base through which liquid may be injected into the trough under pressure as described in Specification 819,906. Each terminal sludge receiving pocket 31 extends over the whole width of the trough and has a sluice gate 23 at one end and a removable plate 29 at the other end so that it can be cleared periodically by a ram rod. To further prevent fouling of the belt 12 by sludge raised ribs 32 of convex section are provided in the base of the trough. Specifications 326,392, [Class 78 (i)], and 545,137 also are referred to.
Patent GB-1220055-A (GB)
Title: Fixed wing aeroplanes
Inventor: SENHENN LAWRENCE ARTHUR
IPC: B64C3/14
Filed: 1967-02-10
Abstract: 1,220,055. Aircraft wings. L. A. SENHENN. 30 Jan., 1968 [10 Feb., 1967], No. 6586/67. Heading B7W. An aircraft has a wing constructed so that a forward part 34 has negative camber and a rearward part 35 has positive camber, the parts being arranged so that in flight they exert respectively positive and negative pitching moments which substantially balance each other. The wing may be apertured as indicated at 37 so that pressure differences between upper and lower sides of the wing achieve a high degree of stability in flight. The construction is applied to wings of differing plan form and in one embodiment (Fig. 6, not shown), the forward part of the fuselage may form the part of negative camber.
Patent GB-286307-A (GB)
Title: A process for softening water and removing iron and manganese therefrom by a base-interchange and a process for preparing the requisite agent therefor
IPC: B01J39/02
Filed: 1928-03-02
Abstract: 286,307. Rosenheim, A. March 4, 1927, [Convention date]. Purifying liquids.-Water is treated to soften it and to remove iron and manganese by base exchange with silicic acid gel or a gel of a metal oxide such as stannic acid, titanic acid, alumina, chromic oxide, or ferrous or ferric oxide in which has been incorporated alkali or ammonium either by treatment with aqueous solutions of caustic alkalies or ammonia or of alkaline-reacting alkali metal or ammonium compounds, or by treatment with aqueous solutions of other bases such as lime, baryta, or strontia followed by treatment with a solution of an alkali metal compound such as common salt. As alkaline-reacting compounds, carbonates, borates, phosphates, cyanides, silicates, aluminates, stannates, and titanates are referred to. Impregnation with alkali may alternatively be effected with the sols from which the gels are to be formed. Aluminates, stannates or titanates may be added to the solutions prior to sol formation; and sols or gels to be treated may be mixed with an aqueous salt solution of a trivalent metal, for instance with ferric, chromic, or aluminium chloride, sulphate, or acetate, and a mixed gel be then obtained by treatment with sufficient alkali &c. Treatment of gels may be effected before or after drying. Specifications 26842/09, 9755/13, 100,638, 110,363, 142,974, 159,196; and 203,158, 206,267 and 263,198, [all in Class 2 (iii), Dyes &c.], are referred to. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the following subject-matter :-Untreated gels may be used directly to soften water in the presence of bases; and the impregnation thereof with alkali may take place at increased or reduced pressure. This subject-matter does not appear in the Specification as accepted.
Patent GB-351575-A (GB)
Title: Improvements in receptacles for containing opened tins or jars or loose cigarettes, tobacco, sweetmeats and the like
IPC: A24F23/00
Filed: 1930-12-29
Abstract: 351,575. Table stands. GARDNER, A. C., Coed Car, Fidlas Road, Llanishen, Glamorgan. Dec. 29, 1930, No. 6618. [Class 128.] A container for opened tins or jars, having a base a, a hollow cylindrical body portion b, and an inwardly inclined lip or flange c adapted to fit over the open top of the tin or jar, is provided with a lid d which encloses the lip c and is held raised above the inclined surface so that it does not come in contact with any spilt liquid. Fig. 1a shows one form in which the body portion b is detachably mounted on the base a by a bayonet joint k. The flange c is formed in one with the body portion b, and the lid d rests on the beading j. A raised ring f is provided on the base on which the tin rests. Alternatively the body portion b may be formed integrally with the base and the flange c may slide in the top. Fig. 3a shows a form, adapted for different sized tins, in which the flange c is mounted on a sleeve c<1> which adjusts itself to the height of the tin. The base may have a central hole to facilitate removal of the tin. In a further form the body portion b has a bead on its lower edge which engages a groove in the base. The container may be filled with loose articles such as cigarettes, tobacco, &c. in which case, should there be a hole in the base, it is closed by a disc.
Patent GB-1166480-A (GB)
Title: Improvements relating to the Manufacture of Shafts and other Elongated Members
Inventor: ASBRIDGE GEORGE HERBERT
IPC: B24B5/42
Filed: 1966-12-06
Abstract: 1,166,480. Grinding. MITCHELL SHACKLETON & CO. Ltd. 6 Nov., 1967 [6 Dec., 1966; 11 Feb., 1967], Nos. 54503/66 and 6633/67. Heading B3D. A method of supporting a shaft or other elongated member of substantial length and weight while machining operations are carried out on it consists in mounting the shaft between centres or equivalent means in a machine incorporating means for rotating the shaft and suspending the shaft from an elevated support independent of the operative parts of the machine by mechanical means incorporating a weight or weights by which the weight of the shaft is continuously counter balanced as it rotates. A rigid gantry adapted to span a machine and bodily movable in a direction at right angles to the longitudinal axis of the machine comprises a longitudinal member 10 longer than the machine and having at each end a pillar 11 and a transverse member 12. Flanged wheels 14 housed in the members 12 run on rails 15 on the workshop floor and are driven by an electric motor 16. The pillars 11 support a horizontal girder 19. A track 23 is supported at each end by parts slidably guided for vertical movement in the upper ends of the pillars 11. Trolleys 24 travel on the track and can be located in any desired position therealong. Pivotally mounted on each trolley is a beam 25, to one end of which is pivotally attached a rod 26 terminating in a hook 26<SP>1</SP> and to the other end of which is attached by a flexible member 29 a rod 28 carrying a counterbalance weight 27. Screw jacks 31 operate vertically movable assemblies 32 which when raised engage the beams 25 on opposite sides of the track and lift the track, trolleys and beams as a unit while holding the beams and weights locked against angular movement; the jacks are operated by an electric motor 35 mounted on the girder 19. A lathe headstock is shown at 36, a crank-shaft crank pin at 37 and a journal of the shaft at 38. A crank-shaft having been brought to a position in front of the machine, the gantry is moved forwardly over the crank-shaft and clear of the machine and the track lowered until the hooks 26<SP>1</SP> can be engaged around the journals 38 of the shaft. The track is then raised to lift the shaft and the gantry moved rearwardly to bring the shaft into position for mounting in the machine for rotation about the crank-pin 37 which is then ground by a grinding wheel 39. The counterbalance weights acting in the different hooks may be adjusted according to their position along the shaft, but the sum of all the weights is substantially equal to the weight of the shaft. The hooks 26<SP>1</SP> may have linings of material of low coefficient of friction; they may be replaced by split bearing rings. In a modification, the beams may be rigidly mounted on the trolleys; each beam has pulleys on its opposite end, and a cable passing over the pulleys has a hook or ring at one end and a counterweight at its other end. The gantry may be mounted on overhead rails.