baber/WOPTO huggingface dataset:
Patent GB-445935-A (GB)
Title: An improved sound reproducing device
IPC: H04R1/24
Filed: 1934-10-17
Abstract: 445,935. Loud-speakers. EVANS, A. S., 53, Maldon Road, Edmonton, London. Oct. 17, 1934, No. 29665. [Class 40 (iv)] In an electrical sound - reproducing device having two or more moving coils 5, 5<a>, 5<b> mounted in separate air gaps 4, 4<a>, 4b and individually associated with diaphragms 6, 6<a>, 6b having different sound - reproducing characteristics, the diaphragms are independently mounted on the magnet and the gaps are formed between the centre polepiece 2 and the body 1 of the magnet so that the coils are cut in series by the same lines of magnetic force in one and the same magnetic circuit. As shown, the gaps 4, 4<a>, 4b are formed between soft-iron rings 7, 7<a> mounted on the centre polepiece 2 by a non-magnetic support 8 and the polepieces 1, 2. One of the diaphragms may co-operate with a horn, Fig. 2 (not shown), and the coils with their associated diaphragms may be mounted at the opposite ends of the centre polepiece. In the latter case a horn associated with the smaller diaphragm may be formed by a shaped axial channel in the centre polepiece, Fig. 4 (not shown).
Patent GB-258448-A (GB)
Title: Improved process for bleaching textile materials by the pack system with circulatingliquor
IPC: D06B5/00
Filed: 1925-11-24
Abstract: 258,448. Kieser, F. Nov. 24, 1925. Bleaching, processes for; passing fluids through materials.-Bleaching liquor is distributed by a sprinkler 5 to material placed in a vessel 1 in such quantity that the material is moistened up to its capillary saturation point, and only so much liquid is then admitted as corresponds to the amount draining off from the bottom of the vessel, no pressure or suction being applied. The pipe 5 is constantly moving, and may function as a Barker's mill.
Patent GB-599896-A (GB)
Title: Improvements in and relating to dispensing containers for powders or liquids
IPC: B05B11/04
Filed: 1945-11-07
Abstract: 599,896. Powder distributers; portable liquid containers. HANDLEY, W. A. Nov. 7, 1945, No. 29719. [Classes 18 and 66] A container, from which powder or liquidcan be ejected by pressing one or both of the flexible end walls 3, has a spout 7 attached to the peripheral wall 5 adjacent an aperture 8 to obtain discharge of the contents in a substantially tangential direction. The spout terminates in an end wall 6 with one or more orifices 4, that may be closed by a removable pin, or with a throat-like extension 9, Fig. 4, to which a push-on closure cap 10a or a screw cap may be applied. The container may be made of plastic material and the body parts and the spout secured together by adhesive. The wall 5 or the spout may have a flattened portion to allow the container to stand with the end walls upright.
Patent GB-1118966-A (GB)
Title: Improvements in or relating to heat recovery systems
IPC: C01B5/02
Filed: 1965-07-13
Abstract: A heat recovery system for an installation producing heavy water by the method of bithermal isotopic exchange between two fluids, one of the fluids serving as a source of heavy hydrogen and the other fluid serving as an isotope exchange medium, comprises a cold tower, a hot tower, a closed circuit means for circulating gaseous fluid between the two towers, a first liquid circuit for cooling hot gaseous fluid at the output of the hot tower in an indirect heat exchanger and for transferring this heat to cold gaseous fluid before the fluid enters the hot tower, in a direct contact exchanger arranged before the input of the hot tower, a second liquid circuit for removing the remaining heat energy from the gaseous fluid in a direct contact exchanger before the fluid enters the cold tower and for transferring this remaining heat energy by means of an indirect liquid to liquid exchanger to a third liquid circuit which also serves the said exchanger having direct contact arranged before the input of the hot tower.
Patent GB-162597-A (GB)
Title: Improvements in refuse destructors
IPC: F23G5/24
Filed: 1920-10-21
Abstract: 162,597. Breuille, H. Oct. 21, 1920. -Refuse consuming- furnaces.-A vertical shaft refuse destructor comprises a device for collecting the noxious fumes &c., means for heating air for combustion, and improved discharging means. The hopper 1 is closed by a conevalve 2 mounted on a movable sleeve 3 operated by chains 8. Concentric with the sleeve 3 is a tube 5 serving as an escape flue for fumes and distillation products. Refuse is distilled and dried in the upper zone A and is then consumed in the lower zone B with air which is heated in two annular passages 17, 19 and vertical ducts 18 and downwardly discharged by orifices 16 into an enlarged cone-shaped lower portion of the shaft. The residue is discharged by segmental drums 23 consisting of hollow air-cooled discs mounted on horizontal rotatable shafts. Orifices 21, 22 admit steam jets or other means for disentegrating the clinker. Flames escape by a suitable duct and may be used for steam generation &c.
Patent GB-165008-A (GB)
Title: Improvements in and relating to floor coverings
IPC: D06N5/00
Filed: 1920-10-21
Abstract: 165,008. Holzapfel, A. C. Oct. 21, 1920. Fibrous plastic compositions.-Residues, such as palm-oil pitch and stearine pitch, which are derived from the treatment of oils and fats, are heated and mixed with a finely-divided inert substance, such as infusorial earth, and a fibrous material, preferably balsa-wood sawdust or coconut fibre. The composition is applied to a backing of canvas or the like for use as a floor covering. Typical proportions of the ingredients are 57 parts of the pitch-like residue, 8 parts of infusorial earth, 16 parts of fibres, and 19 parts of suitable colouring-material.
Patent GB-745421-A (GB)
Title: Improvements in or relating to electron discharge devices
Inventor: LINHART GEORGE JIRI
IPC: H01J25/00
Filed: 1950-12-05
Abstract: 745,421. High-frequency discharge apparatus. BRITISH THOMSON-HOUSTON CO., Ltd. March 3, 1952 [Dec. 5, 1950], No. 29801/50. Class 39 (1). Ultra - high - frequency electromagnetic waves of the order of 0.01 to 1 cm. wavelength are generated by a ring of electron bunches rotating within a cavity resonator. Electrons from a source 11a, Fig. 3, are accelerated by a voltage periodically applied to the surrounding cage anode 11b and are guided over spiral paths into a circular orbit by a magnetic field of suitable radial distribution, such as shown in Fig. 2. Bunches are formed as synchronism is developed between the high-velocity rotating electrons and a high mode of an R.F. field supported by the resonator. The cavity resonator may comprise a periodic structure and may be primed by the injection of externally generated oscillations into the structure. The electrons may be additionally accelerated by magnetic induction. The energy loss due to radiation may be made up by magnetic induction acceleration, the orbit being maintained at a constant radius, or the orbit may be allowed to shrink. The magnetic induction and guiding fields may be generated in separate magnetic cores or in the subdivided limbs 13, 13<SP>1</SP> of a single core. Two annular resonators 21 above and below the stable orbit 16 communicate with the radiation space 12 through radial slots 22. Energy is radiated into the annular resonator 19 and curved waveguides at anti-nodal points feed back energy to the resonators 21. Energy is radiated externally through the horn 24. A circular array of generators may be mounted on a common circular magnetic core. A separate closed magnetic core for each generator provides the guiding field. The radiation derived from the ring of generators is beamed by a pair of segmental parabolic reflectors P, Fig. 8, for each generator and a pair of large mirrors R. Adjacent generators work in anti-phase. Formulµ for the magnetic field distribution are given together with a mathematical derivation. A detailed analysis is given in the Provisional Specification.
Patent GB-710937-A (GB)
Title: Improvements in or relating to stencil plates
Inventor: SHAW HARRY
IPC: B41C1/14
Filed: 1950-12-06
Abstract: 710,937. Stencils. IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 22, 1951 [Dec. 6, 1950], No. 29853/50. Class 100 (2) In a stencil plate, portions cut out completely from the plate and portions that are weakly supported by the contiguous portions of the plate are fixed in position by attaching one or more strands of wire, the diameter of which is from <SP>1</SP>/ 3  to 1¢ times the thickness of the plate, to the said portions and to the main portion of the plates. The plate may comprise oiled paper, thick waxed paper or metal sheets. The wire may be soldered to a zinc sheet, for example, or fixed to oiled paper by adhesive. The plate may comprise two thicknesses of oiled paper with the wire fixed between them, for example, wire 0.013 in. diameter, sheets each 0.014 in. thick, letters of the design 1“-1¢ in. high, or letters ¢-¥ in. high and wire 0.009 in. diameter. Zinc plates 0.02 in. thick may be used with wires 0.015 in. diameter. The paint penetrates behind the wire to produce solid letters. Specification 582,274 and U.S.A. Specification 1,896,877 are referred to.
Patent GB-723077-A (GB)
Title: Improvements in or relating to new canine distemper and hard pad disease vaccine
IPC: A61K39/175
Filed: 1952-11-26
Abstract: A canine distemper and hard pad disease vaccine is prepared by recovering live virulent virus from dogs exhibiting the clinical manifestations of canine encephalitis caused by canine distemper or hard pad disease virus, inoculating the tissue of embryonic chicks in incubating eggs with an aqueous suspension of said virus and after a period of additional incubation in said eggs preparing an aqueous suspension of the embryonic tissue, similarly inoculating further incubated eggs therewith and repeating the successive passages of the virus through incubating chick embryos until the virus has been adapted to grow therein and has become avirulent to ferrets.  Chick embryos of 6 to 9 days are used, incubation being continued for 4 to 7 days after inoculation.  The incubation temperature is 34 to 40 DEG C., and preferably 37 to 38 DEG C. It is preferred to inoculate the chorioallantoic membrane of the chick embryos.  Before the virus has been adapted to grow in the incubating chick embryos, it is preferred to pass the virus through at least one ferret, in which case, a suspension of the pooled liver and spleen tissues of the infected ferret in e.g. beef heart-infusion broth (beef heart infusion, peptone, sodium chloride, disodium hydrogen phosphate and water) is then used to inoculate the chick embryos.  The vaccine is prepared by grinding the chick embryo tissue containing the avirulent virus with physiological saline, meat infusion broth or water, and purifying in manner known per se to remove tissue and fats.
Patent GB-672008-A (GB)
Title: Improvements in or relating to secondary electron emissive electrodes
IPC: H01J9/12
Filed: 1950-12-08
Abstract: 672,008. Cathode materials and processing. WESTERN ELECTRIC CO., Inc. Dec. 8, 1950 (Dec. 9, 1949], No. 30094/50. Class 39 (i). A secondary-electron-emitting electrode consists of a beryllium coating on an insulating layer on a metal base. Silica, 50-5000 A units thick, may be deposited on a tantalum or platinum base ; the thickness of the beryllium may be 50-500 A units or such that 10-90 per cent of light is absorbed. The electrode may be activated by heating to 750‹ C. for a period, which may be half-an-hour or two or three hours to produce a secondary emission ratio of over 14 when the primary voltage is 500. The insulating material may be zirconium oxide, aluminium oxide, manganese oxide, or beryllium oxide. It is stated that secondary emission is increased by traces of tin, palladium, copper, gold, iron manganese, nickel, lead, barium or silicon in chemically or commercially pure tantalum or platinum. The insulation or beryllium may be deposited on a plate 11, clamped on brackets 22 by spring clips 23 from a pure tungsten wire crucible 24 supported by the heater leads 25. To produce a silica layer 50-200 A units thick whilst the crucible is heated for 15 seconds, the crucible should contain 2 m.gms. of crushed silica. The container may be evacuated to a pressure of 10<SP>-5</SP> mms. When beryllium is deposited from the crucible, light may be projected through an associated glass plate on to a photo-cell which can be used to record the reduced light intensity corresponding to the thickness of the beryllium. Alternatively, ethyl silicate is pumped into a cathode-ray tube, the target of which is heated to decompose the silicate to produce thereon a silica layer. Curves show the secondaryemitting ratio for various primary electron voltages at room temperatures and when the electrode is heated to 600‹ C.
Patent GB-629734-A (GB)
Title: Improvements in or relating to multi-contact electrical connectors
IPC: H01R13/26
Filed: 1947-11-12
Abstract: 629,734. Two-part couplings. BLACKBAND, W. T. Nov. 12, 1947, No. 30164. [Class 38 (i)] A. multi-contact connector comprises a box 1 containing a frame 5 in which is arranged a stack of superposed pairs of contact plates 6, each attached to an insulating separator 8. The plates have connecting tags 7, those of each pair extending in opposite directions and being connected to a pair of plugs or sockets 10 in the box and the lid 2 thereof. Uniform contact pressure is exerted on the plates by a block 15 and rotatable cam 11, operated by levers 13, engaged by the lid 2 when it is in position. The lid may be attached to equipment designed for jettisoning from an aircraft. Release of the lid therefore releases the pressure on the contact plates which can thereby be easily pulled apart. Alternatively, the contact pressure may be exerted by a spring-pressed plunger extending through one end of the frame, the spring being retained by an easily-withdrawable cotter. In a modification, each separator 8 carries a plate 6 on both sides.
Patent GB-812201-A (GB)
Title: Improvements in combustion equipment for continuous-flow internal combustion engines
Inventor: HERING HANS
IPC: F23R3/42
Filed: 1956-10-03
Abstract: 812,201. Generating combustion products under pressure. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Oct. 3, 1956 [Oct. 28, 1955], No. 30168/56. Class 51 (1). In combustion equipment, for example of a gas turbine engine, cornprising a flame tube 2 disposed within an outer casing 1a, the upstream portion of the flame tube is provided with a primary air inlet passage 7 and with fuel injecting means 6 and comprises an unapertured wall (or walls) which separates (or separate) the primary combustion space within the flame tube from the secondary air passage between the flame tube and the outer casing. The wall, or walls, is or are shaped so as to form a restricted outlet 8 at the downstream end of the primary combustion space and the wall, or walls, extends or extend downstream of the restricted outlet by a divergent portion 9 through which are provided secondary air inlet ports 10. The combustion equipment shown in Fig. 1 is of the tubular type but the arrangement shown may also be applied in the case of annular-type equipment. Turbine inlet nozzle guide vanes are indicated at d. In a second embodiment, two restricted portions such as 8 in Fig. 1 are provided at intermediate points along the length of the flame tube. In an annular type of combustion equipment, the inner and outer walls of the flame tube are each provided with a circumferential portion projecting towards the peripheral axis of the flame tube, the two projecting portions being disposed at different points along the length of the flame tube.
Patent GB-419408-A (GB)
Title: Arrangement for discharging water from the attic space of a building
IPC: E04D13/17
Filed: 1933-10-31
Abstract: 419,408. Fire - extinguishing. SCHRAMEK, R., 4, Leegasse, Vienna. Oct. 31, 1933, No. 30189. Convention date, Nov. 4, 1932. [Class 47 (ii).] The attic space 1 of a building is provided with a waterproof floor which slopes down to outlet slots or scuppers S provided in the outside walls 8 of the building in order to discharge water which is used in extinguishing a fire in the roof and thereby to prevent such water passing to the spaces 2 beneath the floor. The floor, which consists of joists 3, wood boards 4 with laths mounted thereon, on insulating filling 5, and a covering 6 of concrete or bricks, is provided with a waterproof surface layer 7 of fine concrete and such layer is inclined gently towards the outside walls 8. This layer 7 extends into the outlet slots S and forms the lower surface of the slots, and between the slots the layer may extend a certain distance up the walls. The bottom of each slot S merges in a lip 11, for example of sheet metal, so as to discharge the water clear of the walls. The floor may be inclined towards outlet slots provided in two or more outside walls. To prevent water from escaping through doorways into the staircase of a building, raised curbs 16, preferably of concrete, are provided around the doorway as shown in plan in Fig. 2.
Patent GB-300120-A (GB)
Title: Automatic slack adjuster for brakes on railway cars and the like
IPC: B61H15/00
Filed: 1928-10-18
Abstract: 300,120. Svenska Aktiebolaget Bromsregulator. Nov. 5, 1927, [Convention date]. Compensating for wear. -In an automatic slackadjuster for railway and other brakes comprising a screw and nut operated by a clutch capable of slipping, one member of the clutch is positively guided by means causing the engagement thereof at a fixed moment during the braking. One clutch member is mounted on a screw threaded part so that it is engaged with the other clutch member by a turning movement and the clutch members can slide relatively to one another when the adjusting nut is locked. A pull rod connected to the brake rigging by an eye 5 at each end comprises the slack adjusting screw 1 and the nut 4 adapted to be turned to take up slack by a clutch member 20 adapted to be turned on a threaded part 10 of the connecting eye 5 by a crank lever 21 connected to a part of the brake assembly. The clutch member 20 is adapted to engage a second clutch member 15 which turns a casing 6 fixed to the nut 4 by means of a toothed ring 17 held in engagement by a spring and engaging slots in the clutch member 15 by pins 17<a>. The toothed ring 17 is adapted to act only in one direction of rotation. A spring 13 bearing on a collar 12 on an extension of the eye 5 and bearing on the member 15 by means of a bearing 14, holds a shoulder 16 on the member 15 in engagement with an abutment 9 on the casing 6. When the clutch members engage they take up the pressure of the spring and relieve the pressure between the abutments 9, 16 and also between the collar 12 and an abutment 6a of the casing 6 thereby leaving the nut 4 free to be turned by the clutch. When the slack is normal the stress in the brake rigging and pull rod will compress the spring 13 and bring the collar 12 into contact with an abutment 7a of the casing 6 and present rotation of the nut 4, the clutch members 15, 20 sliding relatively and further compressing the spring 13. If the thread of the rod 1 is of so large a pitch that it is not self-locking and the slack is too small the stress in the rod compresses the spring 13, the collar 12 moves away from the abutment 6<a> leaving the nut 4 the casing 6 and the member 15 free to rotate until the clutch is engaged and the collar 12 engages the abutment 7a and locks the rotating parts. The clutch may be permanently thrown in, in which case too large a reduction of slack will cause the clutch to be disengaged by the abutment 9 owing to the stress in the pull rod before locking of the parts, and the slack will be enlarged if the thread of the rod 1 is not self-locking. The clutch member 20 may coact with the part 10 by means of collars having oblique surfaces in place of a screw thread.
Patent GB-1157456-A (GB)
Title: Prefabricated, Electrically Insulating Joint, for Liquid- or Gas-Conveying Metal Ducts.
Inventor: BAGNULO LUIGI
IPC: F16L25/03
Filed: 1967-06-30
Abstract: 1,157,456. Pipe joints. L. BAGNULO. 30 June, 1967 [6 July, 1966], No. 30227/67. Heading F2G. A prefabricated, electrically-insulated joint adapted to be inserted between the ends of metal piping 11 and 12 comprises a first tubular member 1 having a bell socket at one end, a second tubular member 4 having a flanged end 5 received in said socket, an electrically-insulating sealing ring 3 compressed between the flanged end and base of said socket, an externally-tapered locking ring 6 of electrically insulating material of high compressive strength having at least one slit clamped between the socket wall and second tubular member by conical deformation of the socket wall, a polymerizable resin filling the remaining spaces between the socket and second member, and a lining 8 of the same resin extending along each internal wall of the first and second members to prevent arcing therebetween. The joint is formed by inserting a resin-soaked gasket ring into the socket, inserting the flanged end of the second member into the socket, filling a major portion of the remaining space with the resin, positioning the insulating locking ring in the socket, axially compressing the gasket between the socket base and flange by exerting a force on the locking ring or second tubular member, and conically deforming the socket whilst compressing the sealing ring. The inner lining 8 is then applied to the internal walls. The outer surface of the second tubular member and the inner surface of the socket may be knurled or deeply sand-blasted to aid cohesion. The locking ring may be of Bakelite (Registered Trade Mark) or resin-impregnated fibreglass.
Patent GB-897810-A (GB)
Title: Foil cap with tear-off strip for bottles and the like
IPC: B65D41/62
Filed: 1959-09-04
Abstract: 897,810. Stoppers &c. METALLKAPSELFABRIK LOOS & CO. G.m.b.H. Sept. 4, 1959 [Oct. 25, 1958], No. 30245/59. Class 125(3). A foil cap 2 for bottles and the like, formed by folding foil round the bottle neck 1, joining overlapping portions of the foil by means of an adhesive and folding down the upper portion of the foil on to the bottle mouth and neck has a tear-off strip 6 directly fastened, e.g. by cementing or welding, to the inside of the cap wall, the thickness of the strip being such that, when the cap is rolled on to the bottle neck, the strip forms with its lateral edges an embossed projecting rib with sharply defined annular surfaces 9 in the cap wall. These surfaces, along which the thickness of the material of the cap is reduced during the rolling on procedure, then serve as guiding lines when tearing off the strip 6 by means of its tag 5. Incisions 7 and 8 may be provided in the cap wall at the level of the lower and upper edges respectively of the tear-off strip.
Patent GB-266475-A (GB)
Title: Lamp shade holder
IPC: F21V17/00
Filed: 1925-12-01
Abstract: 266,475. British Thomson-Houston Co., Ltd., Wade, W. H., Cocksedge, F. M., and Wheat, H. C. Dec. 1, 1925. Shade, reflector, and like holders.-A lamp shade, reflector, or like holder comprises axially arranged strip-metal or like fingers a, the ends of which are bent at b to grip an outwardly-turned rim c on the inner end of a bell-shaped or like shade or reflector and a similar rim d on the lamp support, the ends of the fingers being clamped against the rims by strip clamping rings having substantially radial lugs k and a bolt m or the like to draw the lugs together. The rings j may be of equal or unequal size, and one is secured to each of the fingers whilst the other may be loose. In the form shown the rim d forms part of a plate e secured to an electric lamp holder f, the plate having an axially extending annular embossing g by which it is attached directly to a wall or ceiling h.