baber/WOPTO huggingface dataset:
Patent GB-671582-A (GB)
Title: Improvements in dispensers for medicinal and other powders
IPC: A61M15/00
Filed: 1950-03-03
Abstract: 671,582. Powder dispensers. BROOKS: D. H. March 3, 1950 [April 16, 1949; May 3, 1949], No. 5475/50. Class 18 An open-ended tube 14 is telescopically slidable within a tubular container 1 charged with snuff or medicinal powder 8. The outer end of the tube is applied to the nostril and on inhaling, air passes down outside flutes 24 into the container, entrains snuff and is drawn .through the tube into the users' nose. Complete withdrawal of the tube is prevented by a beading 4 engaging bent-over portion 5 and in its simplest form the tube may be open or provided with a perforated plug at its lower end. Alternatively a stepped plug 18 held by the inside portions of the flutes carry a disc 16 having flats 20 on its edges and a ridge 22 on its lower side. On rotating the tube, snuff is scraped off the surface 10 and deposited on the upper face 23 of the disc 16 whence it is carried up the tube through apertures between the flutes and the plug. An airtight cap 28 may be fitted. The container may be transparent or the tube may be graduated to indicate the state of the contents.
Patent GB-384850-A (GB)
Title: Improvements in scythes
IPC: A01D1/12
Filed: 1932-02-24
Abstract: 384,850. Scythes. KESSLER, H., Rõterschen, Switzerland. Feb. 24, 1932, No. 5480. [Class 6 (iii).] To permit universal adjustment of the blade relatively to the handle the two are secured together by a ball joint 1. The cup member 2 which is carried by a shank 5 secured to the handle 4 by bolts 6 is provided with a central opening through which the screwed end 8 of a bolt carrying the ball member 3 and secured to the blade by a stud 12 and nut 18, passes. The end 8 of the bolt has a left-hand screw thread. The bolt is provided with a washer 10 shaped to fit the back of the member 2 and a clamping nut 11. In a modification the ball member is integral with the blade.
Patent GB-547921-A (GB)
Title: Manipulators for use in forging
IPC: B21J13/10
Filed: 1941-04-28
Abstract: 547,921. Forging billets, bars, &c. BROSIUS, E E. April 28, 1941, No. 5492. Convention date, Sept. 23, 1940. [Class 83 (iv)] A device for handling billets, bars, &c. while forging comprises a work-holder 9 carried by a support 11 which permits movement about a pivot 27 when subjected to shock. The holder has jaws 10 and is rotated by gearing 31 &c. in the support 11 which is carried by trunnions 15, 27, the former being movable vertically by bell-cranks 14 and hydraulic cylinder 17 pivoted at 16 on the chassis 2 of a travelling car, and the latter by a collar 26 on a piston rod 23 of hydraulic cylinder 22, pivoted at 21 on the chassis 2, the collar 26 being held between a rubber block 25 and a spring 30 which takes the shocks due to the blows of the forging hammer. The motors which drive the car 2 and the pump which supplies the cylinders 17, 22 &c. are supplied with current by means of a cable 8. A seat 4 is provided for the operator.
Patent GB-643150-A (GB)
Title: Improvements relating to beam-deflecting circuits for cathode ray tubes
IPC: H03K4/28
Filed: 1947-02-26
Abstract: 643,150. Sawtooth generating circuits. RADIO CORPORATION OF AMERICA. Feb. 26, 1947, No. 5525. Convention date, Feb. 26, 1946. [Class 40 (vi)] In a magnetic deflecting circuit for a cathoderay tube in which parasitic H.F. oscillations are reduced by a damping circuit, the amplitude of the remaining parasities is further reduced by varying the impedance of the damping circuit by means of a control voltage derived from an auxiliary winding associated with the inductive output circuit of the generator. In the Figure the amplifier stage 10 feeds deflecting coils 14 via an output transformer 16 and a damping valve 22. The impedance of the damping valve is varied by means of a control voltage which is derived from the series connection of the voltage across the deflecting coils and that produced across an auxiliary winding 50 on the output transformer, this resultant voltage being differentiated by the network 30, 40. Specifications 566,835 and 614,418 are referred to.
Patent GB-177944-A (GB)
Title: A container for collapsible tubes
IPC: B65D35/28
Filed: 1921-02-18
Abstract: 177,944. Weale, F. E. Feb. 18, 1921. Tubes, collapsable.-A container for collapsable tubes is provided with an internal device operable by pressure on an external projection to compress the tube and expel the contents, the device being moved forward in the container a short distance at each operation. The container consists of a metal case having a removable side n, and a slot in the other side through which projects a button g attached to a plate bent as shown and provided with a spring e. The plate is pivoted by means of projections at f in the two side walls b of a carriage slidable in the container. Co-operating with the plate is a second plate pivoted at j in the walls b and provided with a spring h, the ends of which engage teeth k on the side n of the container. A pin on the lower plate engages a guideslot m in the walls b of the carriage. The collapsable tube is inserted as shown, its closed end lying between the two plates. On pressure being applied to the button g the plates are pressed together against the action of the springs e, h to expel the contents of the tube. In this operation, the spring h i,s flattened, and its forward end is thus moved forward over a certain number of teeth k, and' when pressure is released, the rear end is drawn up to feed the carriage forward.
Patent GB-196755-A (GB)
Title: Improvements in or relating to closures and brush supports for paste-bottles or the like
IPC: B65D51/32
Filed: 1922-02-24
Abstract: 196,755. Alcock, W. E., and Caribonum Co., Ltd. Feb. 24, 1922. Gum and mucilage, receptacles fitted to facilitate use of.-A closure and brush support for paste bottles &c. comprises a cap 1, Fig. 3, transversely slotted to form integral flexibles blades 3 adapted to retain the brush stem 4 in any desired position. The blades may be formed so as to bite into the material of the stem with a ratchet action. In a modification, Fig. 4, the material is bent so as to form one blade 10 only and in another form, Fig. 6, adapted to accommodate brushes with circular stems, the blades are recessed at 12. The brush may be attached to a plain slotted disc dismountable from a flanged ring attachment fitting over the mouth of the bottle.
Patent GB-1382876-A (GB)
Title: Regenerative heat exchanger devices
IPC: F02C7/105
Filed: 1972-02-07
Abstract: 1382876 Gas turbine engines SOC ANON DE VEHICULES INDUSTRIELS ET D'EQUIPEMENTS MECANIQUES 7 Feb 1972 [9 Feb 1971 1 Feb 1972] 5571/72 Heading F1G [Also in Division F4] In a vehicle gas turbine engine incorporating a pair of regenerative heat exchangers 38 each comprising a cylindrical regenerator block 5 which is both rotated and axially reciprocated and is made up of a series of circular plates 21 stacked and clamped on a central rod 15, exhaust gases leaving the turbine wheels 32; 33 via ducts 44 are directed through the regenerative heat exchangers 38 by way of a plurality of duct sections 4 which are parallel to and alternate with similar duct sections 3 through which compressed air from a compressor 31 is passed via ducts 37. Heated compressed air leaving exchangers 38 is supplied to a chamber 40 for combustion via ducts 39. Cooled exhaust gases leave via ducts 46. Each cylindrical regenerator block 5 may be rotated through the action of at least one of the fluids passing through the block and serving to generate a torque to rotate the block, this being achieved by offsetting the axial planes of the duct sections 3 and 4 in relation to the central axis (50) Figs. 16, 17 and 19 (not shown) of the block. Mechanical means, as shown, or fluid-pressure see Fig. 5 (not shown) may be used to effect axial reciprocation of the block 5. The two heat exchangers 38 are arranged to have their axial reciprocating movements offset by a half-stroke and are symmetrically disposed in relation to the turbine axis 47. The compressor 31 is driven from the first turbine wheel 32. The second turbine wheel 33 drives a reduction gearing 34 and an output shaft 35. A swivelling distributer 36 is provided between the turbine wheels.
Patent GB-929809-A (GB)
Title: Heat sealing of thermoplastic materials
IPC: B29C65/02
Filed: 1961-02-15
Abstract: 929,809. Seaming non-metallic sheet material. PHILLIPS PETROLEUM CO. Feb. 15, 1961 [Feb. 15, 1960], No. 5590/61. Class 42 (1). A surface for heat-sealing thermoplastic materials has a thermal conductivity greater than that of the material being sealed, a heat capacity, expressed as the product of the specific heat and density, greater than the heat capacity of the material being sealed and, for sliding contact sealing a smoothness greater than 20 microinches R.M.S. (root mean square) as defined in American Standard Booklet ASA.B46, 1-1955, Appendix A, or for non-sliding contact sealing a smoothness less than 20 microinches R.M.S. Preferab.y the thermal conductivity ranges from 1 to 30 times that of the thermoplastic material and for sliding contact sealing the smoothness ranges from 50 to 250 microinches R.M.S. whereas for non-sliding contact it is preferably below 5 microinches R.M.S. and the surface may be flexible. The surface is said to be particularly suitable for sealing thermoplastic films and layers of high density, highly crystalline polyolefin. Suitable materials for the surface are Inconel X, Nichrome V or Mica applied as a coating of from 0.005 to 0.050 inches on a good conductor of high specific heat, e.g. steel. Other suitable surface materials are Hastelloy A, B or C, Illium G, Nilvar, Marbel (Alberene), graphite, porcelain, quartz, alumina, dacron, titanium, stainless steel, beryllia, silicon carbide. Specifications 790,195 and 804,641 are referred to.
Patent GB-115073-A (GB)
Title: An Improved Automatic Check for Doors, Gates and the like.
Inventor: OLSON OLOF
IPC: E05F5/02
Filed: 1917-04-23
Abstract: 115,073. Olson, O. April 23, 1917. Checks.-The check comprises a gripping-device and means for releasing the grip by the rebound of the door, gate, &c. A tongue n fixed to the door post is frictionally engaged by lips d, g to retard the closing movement of the door when the parts are in the position shown in Fig. 5. After a slight rebound of the door, an abutment e carried by an arm c fixed to the door is unseated, as shown in Fig. 6, from an abutment m formed on a lever f, and the frictional drag thereby becomes released, permitting the door to be, closed as usual. The arm c forms part of a plate a having another arm b carrying the friction lip d, the other friction lip g being formed on the lever f. The lever f is mounted loosely on a screw h so as to permit of the required movements. The check device is re-set when contact of the lip g with the tongue n occurs in closing the door, a stop o preventing the abutment m from being carried too far. The gripping-device may, if desired, be mounted on the door frame and the tongue on the door. According to the Provisional Specification, instead of employing a pair of gripping or retarding members, a single retarding. member may be used co-acting with the surface of a plate projecting from the door frame.
Patent GB-131044-A (GB)
Title: Improvements in Aeroplane Flying Machines having Multiple or Twin Engines.
Inventor: SHORT HUGH OSWALD
IPC: B64C9/00
Filed: 1918-04-03
Abstract: 131,044. Short, H. O. April 3, 1918. Steering.-An auxiliary vertical rudder 10, Fig. 2, is mounted upon the rear of the fuselage 1 in front of the usual rudder 15, and is actuated to counterbalance unequal torque of multiple or twin engines 4, 5. The rudder 10 may be operated manually or automatically, and in the latter case it is connected to a piston in a cylinder 20 provided with an air leak at each end and connected by pipes 18, 10 to air-pumps 16, 17 driven by the engines. In a modification, the cylinder 20 is replaced by two cylinders 21, Fig. 4, each connected to one of the pipes 18, 19.
Patent GB-123517-A (GB)
Title: Method of and Means for Removing Water from Peat.
Inventor: BOSCH ABRAHAM TEN
IPC: C10F5/00
Filed: 1918-04-03
Abstract: 123,517. Ten Bosch, A. Feb. 21, 1918, [Convention date]. Peat, preparing.-Peat is dewatered by a heat treatment consisting in forcing it, by its own weight alone in a continuous flow against a high resistance, through an enclosed space in which it is treated with steam above atmospheric pressure. An apparatus for carrying out the process comprises an open-topped tower formed with a grid 6 in its lower part and a curved extension 10 with contracted discharge opening 11; the tower is fitted with a steam pipe 4 having a perforated extension 5 and the grid is surrounded by a casing 7 fitted with a drain pipe 8. The tower, which may he 160 feet high, is always maintained full of peat pulp charged in above, so that the pressure in the lower part of the tower is great and the peat pulp passes continuously through the opening 11 in the form of a hard bar which may be cut into briquettes; the discharge is regulated by means of a slide 12 actuated by rack and pinion. The casing 7 into which water is forced from the pulp through the grid 6 may be extended upwards so as to form a water jacket to the tower. If desired, the water from the casing may be mixed with the fresh pulp to preheat it.
Patent GB-716425-A (GB)
Title: An improved fluid shock absorber and method of construction thereof
IPC: F16F9/28
Filed: 1951-03-09
Abstract: 716,425. Hydraulic shock absorbers. ARMSTRONG'S PATENTS CO., Ltd., and BRILLIANT, F. H. June 9, 1952 (March 9, 1951; Sept. 15, 1951], Nos. 5696/51 and 21702/51. Class 108(3) [Also in Group XXII] A hydraulic shock-absorber housing comprises a pair of parallel piston cylinders, a crank chamber, and a valve housing communicating respectively with the opposite pairs of adjacent cylinderends, these parts being united along interengaging areas by flowing- a metal or alloy therebetween as by brazing or welding. The cylinders 7, Fig. 3, are brazed at 7b to a valve housing 9. This may be effected by placing rings of copper round the joints and passing the housing on a conveyer belt through a reduced-atmosphere furnace, the temperature of which rises to 1200‹C and falls again before the housing emerges. The relative proportion of the area of the interengaging surfaces of the cylinders 7 and the valve housing 9 and the area of the communicating passages between the cylinders 7 and housing 9 may be equal to or greater than 9:1. The cylinders 7, Fig. 3, are brazed at 7a to a crank chamber 6 and the joint may be reinforced by respective rings concentric with the cylinders. Plates 13 are secured by spot-welding to the sides of the crank chamber 6. Lugs 14 for securing bolts are secured by welding at 14a to the chamber 6 and by brazing to the plates 13. In another construction, Fig. 2, a plate 12 is secured by projection and spot-welding to the sides 6a of the chamber 6, and at 11a to sleeves 11, themselves brazed at 11c to the chamber 6. The flanges 11d of the sleeves 11 may be welded to the chamber 6. U-shaped reinforcing members 16 are welded at 12b to the plate 12 and are brazed at 11e to the sleeves 11. The lower ends of the cylinders may be brazed to the valve housing 9 as shown in Fig. 5. Alignment is provided by nipples 7d which register with ports in the housing 9. A lid is welded to the upper face of the casing 6. According to the second Provisional Specification, the cross-sectional area of the nipples 7d is from 1 per cent to 10 per cent of the total area of the brazed joint. According to the first Provisional Specification, the brazing may be effected by the use of high-frequency electric energy.
Patent GB-923389-A (GB)
Title: Improvements in devices for use in stitching together plies of fabric
IPC: D05B73/12
Filed: 1961-02-15
Abstract: 923,389. Sewing; sewing-machines. B. LIGHT. Feb. 1, 1962 [Feb. 15, 1961], No. 5711/61. Class 112. A work-holder for use in stitchtogether plies of fabric comprises two flat sheets each formed with a slot constituting a predetermined stitching path, the slots being disposed in registry when the sheets are superposed one on the other, at least one sheet having its inner surface adapted to grip an outer ply of fabric placed between the sheets, guide means being provided on the upper surface of the upper sheet near the end of the stitching path so that by movement of the guide relatively to the presser foot the height of the latter relatively to the former is varied. The upper sheet 1 is of transparent plastics material and has a slot 3 which begins at a downwardly bevelled surface 30 which is engaged by an extension 13 on the presser foot 12 of a sewing-machine to lower the presser foot into the slot as it is moved along a guide edge 31a to commence the sewing operation. An abutment ramp 32 prevents the foot overshooting the surface 30. A ramp 40 extends from a block 41 on the upper surface of the sheet 1 to allow the presser foot to rise out of engagement with the slot 3 at the end of the sewing operation. To prevent splitting of the sheet 1 the ends of the slot are provided with narrow slots terminating in circular apertures, and a pad of laminated plastics material affixed below the aperture (see Fig 5, not shown). The lower sheet 2 is of laminated plastics material and has a slot 4 corresponding with but narrower than the slot 3; abutments 8, 21 and 24 on the lower sheet engage with recesses 9, 20 and 23 in the upper sheet. The lower surface of sheet 1 has pads 6 co-operating with a lining sheet 7 to grip and slightly stretch the fabric plies placed between the sheets. Members 6 and 7 may comprise glass paper of foam plastics material. A guide line on the lower sheet assists the operator to locate the plies. In use on a sewing-machine the slot 4 may be engaged by an upstanding boss formed on the needle plate of the machine. The feeding mechanism of the machine is preferably removed and the device moved manually using the handles 10. Starting and stopping.-The sewing-machine is driven from an electric motor by means of a solenoid-operated clutch controlled by a microswitch which is closed to commence sewing when the presser foot drops into the beginning of the slot 3 and is opened to stop sewing when the ramp 40 lifts the presser foot out of the slot.
Patent GB-525445-A (GB)
Title: Improvements in devices wherein cathode rays excite luminescent material
IPC: H01J29/28
Filed: 1939-02-21
Abstract: 525,445. Cathode-ray tubes. GENERAL ELECTRIC CO., Ltd. (Patent-Treuhand-Ges. fur Elektrische Gluhlampen). Feb. 21, 1939, No. 5767. [Class 39 (i)] In a lamp wherein luminescent material is excited by a cathode ray or rays the luminescent material is impacted by two electron streams one with a kinetic energy greater than 400 electron volts and less than 1000, the other with kinetic energy greater than 1000 volts preferably 3000. Separate cathodes supply the two streams, the second coming into action after the first because it heats up more slowly. It is not essential that all the luminescent material should be bombarded by both streams.
Patent GB-704222-A (GB)
Title: Thermal plants operating with liquid fuel
IPC: F02M53/00
Filed: 1952-03-06
Abstract: 704,222. Gas turbine plant. SULZER FRERES SOC. ANON. March 6, 1952 [April 4, 1951], No. 5836/52. Class 110 (3). [Also in Groups XI, XXVII and XXIX] In a thermal plant, e.g. a gas turbine, operating with liquid fuel from a fuel tank and provided with a circulating system for the fuel which includes a heater and means for tapping off from the circulating system the fuel required for combustion, a pipe for bye-passing the circulated fuel past the fuel tank is disposed in the interior of the tank and is provided with a ventilation aperture for the escape of gases from the fuel. Fuel is supplied from a tank 1 by a pump 3 to a heater 5 heated by steam, exhaust gas or electricity and the heated fuel flows through a filter 8 to a pump 9 where part is injected and the remainder returned through a pipe 10 to the tank 1. The pipe 10 opens into a pipe 12 in the tank 1 having an opening to the fuel in the tank at 15 and an opening to the space above the fuel at 10. The hot fuel from the pipe 10 flows straight back through the pipe 11 to the pump inlet pipe 4, any air in the fuel escaping at 12, and the fuel consumed in the plant is made up from the tank 1 through the opening 15.
Patent GB-851166-A (GB)
Title: Methods and apparatus for casting metal
IPC: B22D18/04
Filed: 1958-02-24
Abstract: 851,166. Foundry ladles. SYLVESTER, E. Q. Feb. 24, 1958 [March 8, 1957; May 27, 1957], No. 5877/58. Class 82(1) [Also in Group XXII] The bottom pouring opening of a ladle 1 is placed in communication with the lower end of a separable upwardly extending refractory pouring conduit 2 disposed externally of the ladle with its upper end in communication with the bottom of a separate mould 15, and metal is caused to flow upwardly into the mould by applying a pressure differential to the molten metal. Compressed gas or inert gas may be supplied to, or exhausted from, the ladle through a valve 8, and the lower end may be provided with a slide valve 13. The upper end of the spout engages a gate structure 16 having a slide plate 17 for closing the opening. In a modification, Fig. 3, the mould gate is actuated by a cylinder 63, and the ladle has an upper, watercooled rim 45 on which the cover 49 seats on a sealing gasket 46. The ladle stopper 50 is held in place by a key 66, Fig. 4, while the ladle is filled and lowered into engagement with the spout structure 55, then the key is pulled out by a wire 67, and a blast of air through the conduit lifts the valve from its seat so that molten metal flows into the conduit, the stopper floating to the surface of the melt. In a further embodiment, the ladle stopper is actuated by a piston. In a further embodiment, a stem depending from the stopper engages the spout when the ladle is lowered thereon, and the stopper is thereby lifted. In another modification, Fig. 13, the ladle is contained in a container 152, to which pressure gas may be supplied through a conduit 154.
Patent GB-1338007-A (GB)
Title: Self-centering permanent magnet bearing
IPC: F16C39/06
Filed: 1972-02-08
Abstract: 1338007 Magnetic bearings GENERAL DYNAMICS 8 Feb 1972 [18 Feb 1971] 5906/72 Heading F2A A magnetic bearing comprises a flat-surfaced permanent magnet 20 of a material such as barium ferrite which has extremely high coercivity and no self-demagnetization and a second permanent magnet 26 which co-operates with an aperture 22 in the magnet 20. The magnets are formed with magnetic poles as shown and their geometry is such that the repelling forces 27<SP>1</SP> between the magnets centralize the magnet 26 with respect to the aperture 22 whilst the attracting forces 26<SP>1</SP> balance the weight of the magnet 26. The aperture 22 may be wholly or partially closed by a plate, e.g. of glass, and the co-operating end of the magnet 26, which end may be flat, conical or rounded, may be provided with an auxiliary bearing member in the form of a glass coating or bead (Figs. 11 to 15, not shown). A shaped cavity in the magnet 20 may replace the aperture 22, and the forces may be such that the end of the magnet 26 is positioned away from the surface 24, and not within the cavity or aperture (Figs. 5 to 8, not shown). A driving means may be attached to the magnet 26 which then acts as the rotor (Figs. 9 and 10, not shown). In another embodiment the magnet 20 is driven and co-operates with a similar flat-surfaced magnet and with a cylindrical magnet such as 26 (Figs. 16 to 19, not shown).