baber/WOPTO huggingface dataset:
Patent GB-374529-A (GB)
Title: An improved cathode-ray oscillograph tube
IPC: H01J29/46
Filed: 1931-03-16
Abstract: 374,529. Cathode-ray tubes. STANDARD TELEPHONES & CABLES, Ltd., BEDFORD, L. H., and COVENEY, D. G., Connaught House, Aldwych, London. March 16, 1931, No. 8037. [Class 39 (i).] In cathode-ray oscillographs, the anode 9 is a disc with a central aperture 16 and the hairpin-shaped cath. ode 4 has emissive material applied only to the small portion 41 connecting the two arms to form a point source of electrons. A shield 11 around the cathode and maintained at a small positive potential relatively to the cathode concentrates the electrons into the aperture 16 and enables the distance of the cathode from the anode to be increased, thus reducing the effect of errors of alignment. Mica discs 13, 15 position the cathode relatively to the shield 11 and the shield 11 relatively to the anode 9 and insulate rods 8 supporting deflector plates 6, 7. The tube may contain argon at low pressure. The base of the tube has contact pins 2 and an outer cylindrical contact 1. One of each pair 6, 7 of plates may be connected to the anode and to one contact for earthing during use, or all the electrodes may be provided with separate leads.
Patent GB-558221-A (GB)
Title: Method of sand blasting and sand blast device
IPC: B24C5/02
Filed: 1942-06-12
Abstract: 558,221. Sand-blasting. HYDRO-BLAST CORPORATION. June 12, 1942, No. 8090. Convent on date, June 14, 1941. [Class 60] In a sand blast device which produces a pencil-like mixed jet of sand and a liquid vehicle a supplementary high velocity liquid jet is projected against the side of the pencil-like jet to change its characteristics. The blasting device 10 is stated to be an improvement on the device described in Specification 498,478 and comprises a body 16 connected to a hose coupling 18 and to an inlet 36 for sand and water slurry and formed with a water distributing chamber 22, a rearward nozzle 24 having a passage 28 therethrough into the sand loading chamber 30 and a forward nozzle 32 having an axial passage 33. The chamber 30 is formed by a stainless steel liner 34 and the forward nozzle 32 comprising a brass sleeve 48 and a liner 50 is held by a sleeve 46 against a shoulder 40 in the liner 34. Auxiliary jet-spreading nozzles 54 are disposed at each side of the front nozzle 32 at an angle of about 40 degrees to the central jet and are connected to the water distributing chamber 22. The impact of the auxiliary jets serves to flatten the central jet into a fan shape.
Patent GB-1472845-A (GB)
Title: Magnetic actuator mechanism and electric pushbutton switch incorporating same
IPC: G06F3/02
Filed: 1975-02-26
Abstract: 1472845 Touch responsive switch INTERNATIONAL BUSINESS MACHINES CORP 26 Feb 1975 [8 April 1974] 8140/75 Heading G1N [Also in Divisions G4 and H1] A magnetic actuator mechanism, for use in an electric pushbutton switch, includes an annular permanent magnet 5 having two oppositely polarized half-rings and mounted on the skirt of a cylindrical plunger 4, actuable by movement of a key top 2 to carry the magnet between two limit positions, at the first of which the magnet contacts a keeper 8 and at the second of which the skirt of the plunger engages an outer annular step portion 10 of a base 9 of the body 1 within which the plunger moves. Finger pressure on the key top acts to compress spring 6 whereby once the magnet has been disengaged from the keeper 8, the spring causes a rapid downward motion of the magnet to the lower stop. A soft magnetic keeper 11 is mounted below the step portion 10 to attract the magnet in its lower position so as to retain the plunger in its lower position with an internal ledge 12 of the key top 2 engages the screw member 7 in the plunger upon upwards movement of the key. Subsequently the magnet is pulled up away from the attraction of the lower keeper 11. A magnetic sensor 14 experiences a reversal of magnetic flux field in response to magnet movement, and produces electrical response signals in inductive pickup coils 15 wound on the sensor core 16.
Patent GB-1249609-A (GB)
Title: Powerplant comprising a gas turbine engine
Inventor: BRITT JACK
IPC: F02K1/70
Filed: 1970-02-20
Abstract: 1,249,609. Deflecting propulsion jets. ROLLS-ROYCE Ltd. 20 Feb., 1970, No. 8164/70. Heading B7G. [Also in Division F1] A gas turbine jet engine comprises a variable area intake, a thrust reverser device which is adapted to reverse a selected proportion of the thrust producing exhaust of the engine, and control means which in one mode of operation cause the engine to produce the required thrust by running the engine at maximum speed, reversing a fraction of the thrust producing exhaust of the engine to provide a reduced thrust of the required amount, and closing the intake so as to produce a flow velocity of above Mach 0À8 in the intake. The engine shown is a ducted fan or by-pass type engine comprising LP compressor 10, IP compressor 11, HP compressor 12, combustion equipment 13, HP turbine 14, IP turbine 15 and LP turbine 16. The engine comprises a fan casing 19 which is provided with a variable area intake comprising flap members which are movable by actuator 22 to positions 23, 24, 25 for cruise, take-off and approach conditions respectively. A thrust reverser 26 is provided comprising an opening 30 in the fan casing and flap members 27, 28 which are movable by actuator 29, the flaps being shown in the full thrust reverse positions in which the flaps 27 block the by-pass passage and the flaps 28 direct the diverted air stream forwardly. In the approach condition the intake flaps are moved to the minimum area position 25, the thrust reverser is moved to a partial reverse thrust position and the engine is run at maximum speed resulting in large mass flow through the intake whereby the intake is partly choked. Once the aircraft has touched down the reverser is moved to the full reverse position whereby flow through the final nozzle is reduced, the pressure drop across the LP turbine is increased causing overspeeding of the fan, increasing the fan flow and so the reverse thrust.
Patent GB-1270543-A (GB)
Title: Aircraft lifting apparatus and an associated air terminal construction
Inventor: ROSSMAN WENDELL ERNEST
IPC: B64F1/22
Filed: 1969-02-14
Abstract: 1,270,543. Aircraft lifting and manoeuvring apparatus. W. E. ROSSMAN. 14 Feb., 1969 [21 Feb., 1968], No. 8165/69. Heading B7G. [Also in Division E1] A lifting means, for moving aircraft to a parking level at an air terminal and higher than the normal parking level comprises a set of ramps 35, 36 and 37 with rails 32 and 33 (Figs. 4 and 5), and a sled 30 which can be accommodated in pit 34, so that the top surface of the sled is at ground level. The aircraft is driven on to said surface and the sled is pulled up the ramps by a cable attached to a winch (46, Fig. 9, not shown) worm driven by a motor. After unloading, the aircraft is returned to ground level by the force of gravity, by allowing the winch to pay out the cable. As shown in Fig. 2, the circular shaped terminal 10 has ramps arranged radially round its periphery and the upper levels A, B, of the terminal can receive passengers and cargo from aircraft parked adjacent each level. The other levels of the terminal, which can be reached by escalators 19, are designed to receive passengers arriving by helicopter, train or car, as well as providing space for car parking and check-in areas.
Patent GB-572990-A (GB)
Title: Improved means for controlling oil cooling on the internal combustion engines of aircraft, land and marine vehicles
IPC: F01P7/10
Filed: 1942-06-15
Abstract: 572,990. Radiator shutters. FAIREY AVIATION CO., Ltd., HALL, G. W., and PERT, G. J. SMITH-. June 15, 1942, No. 8170. [Class 64 (iii)] [Also in Group XXIX] The movable shutters or the like by which the flow of air through an oil cooler associated with internal combustion engines on aircraft, land and marine vehicles is regulated are operated by a power piston under the control of a valve actuated by a piston exposed to the pressure in the oil system between the engine and the cooler and loaded by a spring the stressing of which varies with the mass flow of the oil. In the form shown, a butterfly valve controlling the flow of air through a cooler a is coupled by a link d to the rod g of doubleacting piston h controlled by a piston valve o. The piston o is subject to the pressure in the oil inlet p and is loaded by a spring bearing against an abutment 11 adjusted by a lever 17 interconnected by a rod with the engine throttle control or the engine governor. The arrangement is such that the load is reduced when the engine speed and therefore the mass flow of the oil is reduced. The control valve has two peripheral grooves q, r co-operating with ports w, x leading to one end of the cylinder and an intermediate port y leading to the other end of the cylinder. Oil under pressure is fed to the groove q through an axial passage u and diametral passage s while the groove y is coupled to an exhaust conduit by passages t, v. The end of the lever engaging the rod 15 may be provided with a cam-surface. The butterfly valve may be replaced by a flap hinged to one side of the conduit or louvres may be arranged either in the inlet or outlet. When arranged in the inlet the louvres may be interconnected with a flap controlling a hot air inlet. The rod g may be arranged to control a relay valve controlling a further power piston or may actuate a two-way electric switch controlling a reversible electric motor for operating the shutters. Specification 466,286 is referred to.
Patent GB-125374-A (GB)
Title: Improvements in Railway Rail Joints.
Inventor: BAINTS HERMAN VICTOR
IPC: E01B11/26
Filed: 1919-04-01
Abstract: 125,374. Baints, H. V. April 2, 1918, [Convention date]. Rail joints, scarf and like. - Relates to rail joints for rails with solid webs wherein one rail end has one or more projections entering recesses in the other rail end, and consists in forming at least one projection with a supporting-surface curved transversely, the curve being convex at its upper side and symmetrical about a vertical axis. The end faces of the rails may be inclined to the direction of their length, preferably not at a greater angle than 30 degrees. Figs. 1 and 3 show two modifications.
Patent GB-543458-A (GB)
Title: Preparations for cleaning removable dentures
IPC: A61Q11/02
Filed: 1940-05-07
Abstract: 543,458. Cleansing preparations. McKIM, O. E. May 7, 1940, No. 8229. [Class 91] A liquid preparation for cleansing removable dentures comprises a saturated aqueous solution of citric acid together with isopropyl alcohol and distilled water. An example is given of a preparation containing these ingredients, as well as oil of spearmint and saccharin to provide a palatable flavour and oil of neutroleum to give a pleasing aroma.
Patent GB-699703-A (GB)
Title: Improved safety device for attachment to a hand press
IPC: F16P3/24
Filed: 1951-04-11
Abstract: 699,703. Machinery safety devices. WORMALD, C. April 15, 1952 [April 11, 1951], No. 8355/51. Class 80 (iv). To ensure that both hands of an operator remain clear of the descending die of a screwoperated hand press, a slidable bar d is urged by a spring f to a position preventing descent of the screw and is retracted by a hand lever e which, if the screw is to descend, must'be held with one hand while the other operates the usual weighted cross-arm to rotate the screw. The bar d, carrying a stop d', is slidable in a bracket bolted to the stationary press head b and co-operates with a ring c<SP>1</SP> which may be attached to the screw or may be loose thereon and be supported against the screw head by a spring. A compression spring acting directly on the bar d may replace the spring f.
Patent GB-526818-A (GB)
Title: Improvements in and relating to primary air regulators for boiler furnaces
IPC: F23M7/00
Filed: 1939-03-16
Abstract: 526,818. Air supply dampers. CRANE, Ltd., and JACKSON, G. R. March 16, 1939, No. 8464. [Class 51 (i)] A hinged air supply damper 2 located behind the louvres 3 of a furnace door is actuated by a slotted cam plate 6, the slot 5 of which engages with a pin 4 projecting forwardly from the lower part of the damper. The cam plate is mounted on a shaft 7 provided with a handle 8. The left hand end of the slot 5 is slightly eccentric with the shaft 7 so that the movements of the damper are small in comparison with the movements of the handle for positions of the damper when it is nearly closed. The right hand end of the slot is more eccentric so that the damper movements are large in comparison with the movement of the handle when the pin 4 engages this part of the slot.
Patent GB-876862-A (GB)
Title: Improvements in or relating to bearing lubrication
Inventor: PALFREYMAN JACK
IPC: F01D25/18
Filed: 1959-03-11
Abstract: 876,862. Lubricators. ROLLS-ROYCE Ltd. March 11, 1960 [March 11, 1959], No. 8497/59. Class 12 (3). A bearing lubrication system for a gasturbine engine in which the lubricating fluid is contained in a first chamber formed within the rotatable structure of the engine and discharged from the chamber upon rotation of said structure so as to pass through the bearing into a second rotatable chamber, said lubricating fluid passing from said second chamber into said first chamber when the rotatable structure becomes stationary. The first chamber is located below the second chamber and the second chamber is located below the bearing. Mounted within a compressor rotor shaft 14 is a hollow tube 23 supported at portions 14a, 14b of the shaft 14. The tube 23 has apertures 23a, 23b, the former being connected to an annular chamber 13a via radial holes 14d and the latter being connected to the second chamber 24c via radial holes 14f and apertures 24d. The lower end of the tube 23 is mounted by a radially-spaced tube 26 to form an annular passage 27 extending into a chamber 27a, and is closed by an end wall 26a. The chamber 27a is connected to a lower bearing 21 via radial holes 14g and an annular space 29 formed between a shaft 20 and a sleeve 30. The shaft 20 has radial holes 20b connected to the inside of the tube 23 via ports 14h in the portion 14b and ducts 26c and connected to an annular chamber 31 by ports 31a. An oil inlet tube 32 is mounted in the end wall 26a of the tube 26 and forms the first chamber 33. To lubricate the bearings 13, 21, oil is injected through the tube 32 prior to the starting of the engine and it flows down the tube 23 into the chamber 33. The engine is then started, the shafts 14, 20 rotate and the oil is centrifugally-forced up the tube 23 and up the annular space 27. The oil passes through the apertures 23a the radial holes 14d into the annular chamber 13a and then through the bearing 13, after which the oil is collected in the chamber 24c where it is centrifuged on to the wall 24b thereof. The oil flowing up the annular space 27 passes to the bearings 21 via the chamber 27a, the radial hole 14g, the annular space 29 and a space between the sleeve 30 and the shaft 20. The oil is collected in the chamber 31 and is held therein by centrifugal force. When the engine is stopped the oil returns to the first chamber 33, a conical baffle 23c deflecting the oil towards the wall of the tube 23. The tubes 23, 26 are tapered upwardly and outwardly to permit centrifugal forcing of the oil therethrough, alternatively an Archimedean screw may be used.
Patent GB-195407-A (GB)
Title: Improvements in humidifying and filtering devices for internal combustion engines
IPC: F02M1/00
Filed: 1923-03-26
Abstract: 195,407. La Rose, E. E. March 25, 1922, [Convention date]. Filtering.-An air filtering and moistening device for carburettors comprises a casing consisting of end plates 1, 8 and a perforated wall F, the casing containing a moistening-device H dipping into a water vessel 6, and being provided with outlet pipes 15, 4 communicating with the primary and secondary air inlets of the carburettor. The filter F and the moistening-device H consist of an inner sheet of perforated material, preferably metal gauze of rectangular mesh, covered on both sides with fabric. The outlet pipe 15 may be provided with tapered slots 16. A counter-balanced valve 20, which opens at a predetermined pressure, is provided on the outlet pipe 18.
Patent GB-1403802-A (GB)
Title: Cipher-printing mechanism
IPC: G06C11/06
Filed: 1973-02-22
Abstract: 1403802 Printing significant zeroes BURROUGHS CORP 2 July 1973 [22 Feb 1973] 8646/73 Heading G4B [Also in Division B6] A calculator includes a bank of print hammers 2, some of which are cocked and then fired during a printing cycle by movement therepast, along path B, of heels 24 of associated levers 7. Each lever 7 is moved from its inoperative, illustrated position (in which it follows path A clear of heels 24 upon translational movement of support rod 14) to its operative position when a digit (other than nought) is keyed into the calculator. Such keying lifts rack 32 to allow spring 4 to pivot a lever 6 about 18, stud 26 carried by lever 6 thus shifting lever 7 clockwise about rod 14. Each lever 7 carries a plate 20 formed with a lug 28 which is positioned beneath the heel 24 of the next lowest order lever, Fig. 2. When a lever 7 moves to its operative position, its lug 28 acts on the heel of the next lowest order lever 7 to set the latter in its operative position (if it has not already assumed such position due to digit entry). Consequently, upon translational movement of rod 14, all the hammers, from the highest order holding a digit down to the lowest order, are cocked and fired, thus printing the entered digit(s) and the significant zeroes. The hammers of higher order than that of the highest order entered digit are not operated.
Patent GB-867041-A (GB)
Title: Combined mirror and case for make-up stick
IPC: A45D42/02
Filed: 1958-03-19
Abstract: 867,041. Lipstick holders. RIPPER, H. March 19, 1958 [June 24, 1957 ; Dec. 9, 1957], No. 8803/58. Class 18. A combined mirror and case for a lipstick &c. has a small mirror 6 mounted on a folding shutter 7 on the outside of the case and a hinge spring 8 is so arranged as to tend continually to open the shutter 7 which can be locked in the closed position and released by a push-button 11. The shutter is provided with a lug 9 terminating in a hook which engages in a groove 10 of the button 11. In a modification, (not shown) the mirror is mounted on the case by a support plate so that the plane of the mirror, in the opened position, passes through the axis of the case.
Patent GB-736785-A (GB)
Title: Improvements in or relating to soil regeneration
IPC: C05F15/00
Filed: 1952-04-07
Abstract: A soil regenerator or fertilizer is prepared by separately pressing the paunches of ruminants and green vegetation to obtain from each a solid and a liquid portion, combining the solids from the paunches and the vegetation with phosphates, adding the liquid contents from the paunches and vegetation together with liquid manure and/or faecal matter to the mixture which ferments, cooling the mixture to 85-100 DEG  F. and inoculating it with one or more microbic cultures selected from stocks which are fixers of nitrogen (azobacteria, clostridia), oxidizers of ammonia (nitrous and nitric ferments) and cellulose ferments (cellulolytics, moulds and actinomycetes), and also with elements such as B, Cd, Ca, Co, Fe, Mg, Mn, Mo, P, K, Si, S, Ti, W, Zn, in colloidal condition.  Additional constituents may be chopped straw, kitchen refuse, earthworms or eggs thereof, starch, glucose, gums and glycerine, and calcium and manganese carbonates. The fertilizer is preferably prepared in stages, a part of the finished product of one stage being mixed with the dry constituents of the next.  A detailed example is given.
Patent GB-1461634-A (GB)
Title: Method for removing uremic wastes from dialysing fluid in an artificial kidney
IPC: B01D15/00
Filed: 1974-02-27
Abstract: 1461634 Purifying dialysing fluid TAKEDA YAKUHIN KOGYO KK 27 Feb 1974 [27 Feb 1973] 8853/74 Heading B1X Uremic wastes are removed from dialysing fluid in an artificial kidney of the recycle type by treating artificial kidney dialysing fluid with activated carbon and gel-type alumina. The dialysate may be treated with a mixture of the carbon and alumina, or successively with the carbon and alumina or the alumina and the carbon e.g. packed in respective columns. The gel-type alumina may comprise up to 30% by weight of silica, based on the total weight. Reference has been directed by the comptroller to Specification 1406133.
Patent GB-790533-A (GB)
Title: Improvements relating to filtering apparatus
IPC: B01D29/00
Filed: 1956-03-21
Abstract: 790,533. Filters for electrolytes &c. ESSIG, G. March 21, 1956, No.8855/56. Class 46. Filtering apparatus for electrolytes &c., comprises a cylindrical filter hose, arranged substantially vertically, and means for feeding medium to be filtered into the interior of the hose under pressure which forces the medium through the hose, the feeding means including a swirl pipe having at an inner end located in the upper part of the filter hose a lateral outlet orifice which directs the medium tangentially to the wall of the hose. An inlet fitting 5 welded to the floor of a casing 14 supports through a bayonet joint a feed pipe 9 having a curved end adapted to direct the inflowing medium to be filtered tangentially to a cylindrical textile fabric filter 1 shaped to a bellows formation by alternate freely disposed smaller and larger rings 3, 2. A cover 15 with quickrelease fastenings 18 closes the casing. In another form, the inlet 9, Fig. 4, is from above and legs 24 with bayonet joint connections to the base 26 replace the sides of the casing, the filter being dipped into a receptacle for the filtrate. The rings 2, 3 may be annular discs and parts other than the bellows be coated with rubber, synthetic resin &c.
Patent GB-308596-A (GB)
Title: Contrivance for the projection of stationary or moving, and in particular stereoscopic, pictures in an intermittently lighted hall
IPC: G03B35/16
Filed: 1929-03-19
Abstract: 308,596. Siemens & Halske Akt.-Ges. March 23, 1928, [Convention date]. Optical projection apparatus ; stereoscopic kinematography.-In the projection of stereoscopic and other kinematographic or still images, the hall is alternately illuminated and darkened in quick succession, and the view of the spectators is obstructed during the periods of illumination; the periods are such that apparent continuity both of projection and illumination of the hall is secured. The illumination may occur during the picturechange periods of kinematograph projection. The Figure shows means for stereoscopic projection wherein right and left images are projected successively by means of a projector P and a shutter B, and a shutter b moves before the eyes of a spectator to obstruct the view of each eye in synchronism. A lamp L for illuminating the hall, controlled by a shutter a, is provided in conjunction with such means, and the shutters &c. are operated so as to produce periods of illumination between the projection of successive images, the views of both eyes being obstructed during these periods.