baber/WOPTO huggingface dataset:
Patent GB-197790-A (GB)
Title: Improvements in or relating to systems of control for lifts
IPC: B66B1/08
Filed: 1922-03-15
Abstract: 197,790. Lyons & Co., Ltd., J., Goddard, A., and Douglass, G. March 15, 1922. Electric push-button systems. - Comprises a motor control system in which the cage, on arrival at its end station, automatically opens the power circuit and operates a reversing switch in the same circuit, so that the cage is ready to start on its return journey directly the power circuit is again closed. A reversing motor 2 operates a cage 1 balanced by a counterweight 5. Limit switches 6, 7 are opened by the counterweight or the cage when the latter is at the bottom or top of its travel. A switch 8 for reversing the motor circuit is operated by the cage through stops 34, 35 on an endless rope passing round a pulley 31 controlling the switch 8. Press-button switches 37, 38 at the bottom and top floors are respectively in parallel with the switches 6, 7. Thus when the cage descends and reaches the lower floor the weight 5 operates the switch 6 and breaks simultaneously the circuit through the motor and an electromagnetic brake 39 held off when the motor is working. The cage is brought to rest by the brake and during its final movement operates the reversing switch which comprises rocking contact arms 21, 25. When the button 37 is pressed the open switch 6 is shortcircuited and the cage rises. The switch 6 is released by the counterweight almost immediately and closes automatically, so that the buttons need only be pressed momentarily. By providing intermediate circuit-interrupting switches and corresponding push-buttons the lift can be started and stopped at intermediate levels.
Patent GB-552248-A (GB)
Title: Improvements in and relating to grinding wheels and other abrasive articles
IPC: B24D7/02
Filed: 1942-06-04
Abstract: 552,248. Abrasive compositions. NORTON GRINDING WHEEL CO., Ltd. June 4,1942. No. 7629. Convention date, June 19, 1941. [Class 70] [Also in Group XXIII] A grinding-wheel &c. comprises a backing to which is united integral inner and outer layers each comprising vitrified ceramic material, the outer layer including diamond grains bonded by the ceramic material. The backing 14, which may be of disc or cup form and may be made of metal powder bonded with resin, is secured to the integral layers by a bond layer 44 made of rubber, phenol-formaldehyde &c. and the outer layer 24, containing the diamond abrasive, may be of L section and embrace the inner layer 34. Specification 462,966 and U.S.A. Specification 2,150,886 are referred to.
Patent GB-349172-A (GB)
Title: Improvements in or relating to hoods for vehicles
IPC: B60J7/047
Filed: 1930-03-08
Abstract: 349,172. Road vehicle opening tops. DUPLE BODIES & MOTORS, Ltd. and WATTS, A. W., Rookery Nook, both in Edgware Road, The Hyde, Hendon, London. March 8, 1930, No. 7658. [Class 108 (i).] A road vehicle roof comprises a number of panels, preferably transversely curved, travelling in parallel independent guides arranged in horizontal side-by-side relationship on the roof sides, the panels being adapted to collapse telescopically. The roof opening is closable by means of a number of rigid transversely curved panels a .. a<3> which progressively decrease in width and height so that they may telescope into one another. The adjacent ends of the panels are bent acutely as shown at b, Fig. 5, to provide for watertightness, a rubber &c. packing c being added if desired. Projections d of arcuate or angle form may be provided on one or all of the panels to prevent rain being driven along the panels. The edges of the panels are provided with rollers r .. r<3>, Fig. 9, engaging in guides s .. s<3> arranged side-by-side on the cant rails t. When closed the panel a<3> is pressed against a packing strip 25 on the transverse bar 12 by means of a spring hook 15 and toggle levers 21, 23 on the panel. The panels may be actuated by cog wheels v and racks u, Fig. 11, from a shaft wand bevel gears x, y on the panel. Side shields 26, Fig. 2, are provided. Specification 300,361, [Class 108 (i), Road vehicles, Body details &c. of], is referred to in the Provisional Specification.
Patent GB-705396-A (GB)
Title: Apparatus for measuring the average density of deposition upon a surface, of flowable material discharged from a series of similar spraying orifices or jets moving relati vely to such surface
Inventor: WARD ERIC HOWARD
IPC: A01M7/00
Filed: 1951-04-03
Abstract: 705,396. Liquid meters. PROTOTYPE DEVELOPMENTS, Ltd. July 2, 1952 [April 3, 1951] No. 7698/51. Class 69 (1) An apparatus for measuring the average density of deposition upon a surface of a liquid or powder issuing from a plurality of similar spraying jets traversed over the surface and equally spaced in a direction at right angles to the direction of traverse, comprises a container for receiving the total discharge from one of the jets, and a calibrated level indicator, adjacent the wall of the container and adjustable with respect thereto and to a calibrated scale carried thereby, the level indicator and the scale being calibrated one to indicate jet travelling speeds and the other having at least one calibration to indicate a predetermined jet spacing. and the calibrations of the level indicator and of the scale being so chosen and correlated one with the other and with the volumes of successive sections of the container that the time taken by the jet to fill the container to any pre-selected level at which the level indicator has been set to suit a particular jet spacing and traverse speed, will be inversely proportional to the average density of deposition of liquid or powder on the surface by all of the jets. Shown applied to an agricultural field liquid sprayer, the apparatus comprises a transparent jar 1 which is fixed to a spraying boom by a clip 7, the outflow from one of the jets being directed through an opening 3 in the lid 2 of the jar, down a tube 22 fixed centrally in the jar, and through ports 23 in an annular sleeve 25 so that the level of collected liquid rises without frothing. A flat arm 13 fixed to the lid 2 is calibrated as at 20 with a scale indicating the traverse speeds of the jets and carries a level indicator 14 comprising a central portion 15, which is adjustable along the length of the arm 13, and wings 16 extending laterally of the portion 15. The slide 15, which may be retained in position on the arm 13 by a spring finger 18, has a series of substantially diagonallypositioned apertures 21, each corresponding to a spacing between the jets. In operation, the jar is clipped to the spraying boom and the aperture 21 corresponding to the spacing of the jets is brought into register with the appropriate speed figure on the scale 20. The spraying operation is then started and the time taken by the liquid to reach the upper edge of the wings 16, forming the liquid level indicator, is noted by a stopwatch. The deposition density is then read off from a table carried by one of the wings 16. The other wing may carry instructions for use. The jar may be held in position by hand, and the opening 3 may have an upstanding flared boss. In a further form, the apparatus may have provision for only one jet spacing and be used to measure the deposition density with jets of different sizes or different liquids.
Patent GB-1018656-A (GB)
Title: Improvements in or relating to devices for interconnecting sealed enclosures
Inventor: CAZALIS JEAN-PIERRE
IPC: G21F7/005
Filed: 1964-02-25
Abstract: 1,018,656. Handling radioactive material. COMMISSARIAT A L'ENERGIE ATOMIQUE. Feb. 25, 1964 [Feb. 26, 1963], No. 7771/64. Heading B4Q. [Also in Division F2] An arrangement permitting two sealed enclosures 1, 2 to be placed in communication with one another consists in placing the enclosures a certain distance apart and introducing a lock 3 therebetween. Initially, the enclosure 1 is sealed by a door 6 co-operating with a gasket 8 disposed in a groove 10 in a flange 4 secured to the enclosure. Similarly, the enclosure 2 is sealed by a door 14 co-operating with a gasket 16 in a flange 12. The lock 3 is initially sealed by two doors 7, 15 having grooves 11 receiving gaskets 9, 17 co-operating with flanges 5, 13 secured to the lock 3. In order to establish communication between the enclosures, mechanism (not shown) within the lock removes the doors 6, 7, 14, 15 into a position at the bottom of the lock, Fig. 3, the sealing then being maintained by gaskets 8, 16. The gasket construction is as disclosed in Specification 1,018,655.
Patent GB-536967-A (GB)
Title: Improved means for preventing surging of rapidly-operated coil springs
IPC: F01L1/46
Filed: 1940-05-01
Abstract: 536,967. Damping surge in springs. SALTER & CO., Ltd., G., and BACHE, J. K. May 1, 1940, No. 7809. [Class 108 (iii)] The surging which sometimes sets up in coil springs in use, such as the valve springs of internal combustion engines, is prevented or controlled by an auxiliary spring arranged to have no action on the coil spring normally but when surging takes place to act on that end of the coil spring which is normally supported in a stationary position so as to apply a force or vibration to damp out the surge. The auxiliary spring may be a coil spring of any desired section arranged to act in tension or compression or may be a leaf spring or a spring washer. Fig. 1 shows the auxiliary spring 2 arranged between a fixed abutment 6 and a support 3 normally held against a shouldered pin 4 by the main or coil spring 1 to which impulses are applied at the opposite end. Fig. 3 shows the auxiliary spring 2 operable in tension through a pivoted lever 8 normally held against an abutment 5 by the coil spring 1. In modifications the two springs may co-operate through a flanged cup embracing one of the springs.
Patent GB-814095-A (GB)
Title: Improvements in process and furnace for the production of carbon black
IPC: C09C1/50
Filed: 1956-03-14
Abstract: <PICT:0814095/III/1> <PICT:0814095/III/2> In the production of carbon black by injecting a make hydrocarbon oil in atomized or vaporized form into a spiral stream of burning air and fuel gas as it proceeds from the relatively confined extension or throat portion of a carbon black furnace into the flared inlet portion thereof, additional fuel gas is injected into the spiral stream of air and fuel gas before injection of the make hydrocarbon from a plurality of converging nozzles disposed in a ring around the axis of the spiral stream.  The make hydrocarbon may be atomized in air.  The point of introduction of the auxiliary fuel gas may be varied longitudinally.  The auxiliary fuel gas is preferably directed towards the centre line of the furnace but may be directed slightly countercurrent to the rotation of the spiral stream of air and fuel gas.  The quality of the product depends on the ratio of auxiliary fuel gas to fuel gas in the spiral stream.  As shown, make hydrocarbon oil is injected into the flared inlet portion 13 of a carbon black furnace from nozzle 26 where it is decomposed by a spiral stream of burning air and fuel gas passing out of a throat 12, said spiral stream being formed by injecting fuel gas from orifices 16 and 25 into a spiral stream of air passing through throat 12 from a tangential duct 19 in a header 17.  Orifices 25 are formed in pipes of adjustable length which are attached to a cover plate 20.  Alternatively the pipes may pass through stuffing-boxes in cover plate 20.
Patent GB-248932-A (GB)
Title: Improvements in and relating to pianos
IPC: G10C3/02
Filed: 1925-03-27
Abstract: 248,932. Merrington, A. W. March 27, 1925. No Patent granted (Sealing fee not paid). Pianoforte keyboards; cases. -In a pianoforte in which the keyboard. pivoted at 3 folds upwards, the legs 7 are hinged to it at 8, so that they can be folded back against the underside of the keyboard as shown, being held in this position by hooks 14 engaging over the screw studs 9 which in the normal position enter holes 9<a> and are secured by nuts. In the folded position the keyboard is held by a hook 20.
Patent GB-1057404-A (GB)
Title: Process for the preparation of a radioactive source
IPC: G21G1/02
Filed: 1965-02-25
Abstract: A bismuth - magnesium alloy containing less than 85.1% by weight of bismuth is subjected to neutron irradiation to form a polonium - 210 radio-active source.  The alloy is made by melting the metals together in an induction furnace or resistance furnace at a temperature below 950 DEG C. in an atmosphere of argon, carbon dioxide, or sulphur dioxide.
Patent GB-292447-A (GB)
Title: Improvements in and relating to means for use in closing paper and like receptacles
IPC: B65D3/20
Filed: 1927-03-28
Abstract: 292,447. Haddan, R., (Angel International Corporation). March 28, 1927. Divided on 292,277. Securing bags, special means for. - Relates to the sealing the mouths of receptacles of paper or similar pliable material by means of folded metallic strips. Metal strip in flat condition is delivered in web form 27, Fig. 2, from a roll between a pair of wheels 28 one of which has a V-grooved edge to which the edge of the other conforms. The wheels are serrated to impart transverse flutings 29, Fig. 3, to the strip. The strip passes next to a second similar pair of wheels 31 adapted to bend the sides of the strip more sharply and to form the section of the fold itself into an arc of small radius. Leaving the second pair the strip passes over a cutter block 32 beneath a cutter 33 and arrives over the collapsed end of the receptacle B disposed between dies 26 which are then moved together to clamp the folded strip to the receptacle. The dies 26 being removed, a second pair, formed respectively with a rib 35 and corresponding recess 36, are brought forcibly against the strip, causing the formation of a longitudinal fluting therein and displacing the metal so that the folded end is drawn firmly against the collapsed end of the receptacle. To effect further sealing the dies are formed with prick points and recesses adapted to effect the indentations 38. Lines 39, 40 to indicate the positions where the sealed bag is to be out to open it and thereafter folded may be provided on the bags and a line may be marked on the blank to facilitate proper " positioning " of the bag between the dies. Specification 237,799, [Class 94 (i), Packing &c.], is referred to.
Patent GB-701196-A (GB)
Title: Improvements in pressure tight seals
IPC: F16J15/32
Filed: 1952-04-02
Abstract: 701,196. Stuffing-box substitutes. FOXBORO CO. April 2, 1952 [April 17, 1951], No. 8385/52. Class 122 (5) A fluid tight bearing assembly for a rotating shaft 18 comprises an elongated shaft housing 25 having at each end thereof a bearing unit 33 formed with an annular recess 46 opening into the inner periphery of the unit and housing a plastic O-ring 36 that is substantially completely confined in and by the recess but has its innermost annular portion exposed to provide the only bearing and sealing contact between the unit and the shaft. The recess 46 is formed by co-operating recesses in each of two abutting cylindrical sleeves 38, 39 mounted in the housing 25 and sealed thereto by synthetic rubber. O-rings, 44, 45 in outer annular grooves 42, 43 in the sleeves. The O-ring 36 is preferably of polymerised tetrafluoroethylene and the sleeves 38, 39 surround the shaft with a clearance that is reduced at 37 in the vicinity of the ring. The space in the housing 25 between the O-rings 36 in each of the two bearing units is filled with grease 35. In a modification, Fig. V, the recess 46 is formed by a main portion 47 and a small secondary portion 48 that provides a space for the O-ring 36 to flow into when subjected to fluid pressure.
Patent GB-421526-A (GB)
Title: Improvements in or relating to synchronised sound and picture recording or reproducing apparatus
IPC: G03B31/00
Filed: 1933-03-20
Abstract: 421,526. Kinematograph apparatus. PORRANI, P., 558, Via Auuia Nuova, and ROBERTI, E., 41, Via Bertoloni, both in Rome. March 20, 1933, No. 8391. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 25, 1933]. [Class 97 (i)] [See also Group XXXVIII] A self-contained mechanism for obtaining the synchronous movement of a gramophone turntable 29, and a kinematograph camera for standard film, or a kinematograph projector for sub-standard film, comprises a number of shafts which are driven, through suitable gearing, from a motor 3, and drive, respectively, the turntable, the kinematograph camera, and the kinematograph projector ; the camera may be replaced by a projector. The horizontal shaft 4, which is coupled to the camera, is driven from the motor 3 through worm gearing 8, 9, and drives a vertical shaft 12 through worm gearing 10, 11. The vertical shaft 12 drives, through gearing 13, 14, and at a speed lower than that of the shaft 4, the horizontal shaft 5 which is coupled to the projector; a vertical shaft 17 is driven from this shaft through gearing 15, 16. The shafts 12, 17 may be rotated at different speeds, for example 33< 1>/3 and 78 revolutions per minute, and the turntable 29 is mounted on either shaft.
Patent GB-322974-A (GB)
Title: A new or improved grinding face for pulverizing, grinding or mixing machinery
IPC: B02C13/09
Filed: 1929-03-15
Abstract: 322,974. Clark, G. March 15, 1929. Impact pulverizers.-In a pulverizing mill comprising a casing and a rotor, a grinding face constructed of blades C is arranged in the periphery or side of the casing the blades being spaced from one another so that water or air may be sucked in between them. The blades C are mounted between plates D and are inserted in the periphery I of the casing, the blades being adjustable towards the rotor B by means of slots G. A compound blade C<1> provided with vents. L, may be used.
Patent GB-304948-A (GB)
Title: An improved method of coating ammunition cartridges
IPC: F42B14/04
Filed: 1928-03-20
Abstract: 304,948. Pedersen, J. D. March 20, 1928. Drawings to specification. Lubricants.-Loaded rifle cartridges are coated with a thin film of hard wax, which serves not only to form a protective covering but also acts as a lubricant to facilitate extraction of the cartridges from a gun after firing. Ceresin, applied in solution, e.g. in carbon tetrachloride, is preferably used; the solvent is allowed to evaporate.
Patent GB-667679-A (GB)
Title: Portable mirrors
IPC: A45D42/16
Filed: 1949-03-29
Abstract: 667,679. Brackets. PUCKERT, E. W. March 20, 1950. [March 29, 1949] No. 8525/49. Class 52 (v). A portable mirror comprises a mirror M connected by a universal joint to a bracket arm B pivotally connected to a stud 3 attached to a spring- loaded suction-mounting diaphragm D in a housing H. The arm pivot 10 is offset from the axis of the arm and when the arm is turned into alignment with the stud 3 the suction diaphragm is forced outwards to break the vacuum.
Patent GB-917710-A (GB)
Title: Apparatus for collecting water-borne refuse
IPC: B65F3/02
Filed: 1959-03-13
Abstract: 917,710. Extrusion presses for separating liquids from solids. DEIGHTON'S PATENT FLUE & TUBE CO. Ltd., and RIDDELL, L. H. June 13, 1960 [March 13, 1959], No. 8726/59. Class 46. [Also in Group XXX] Movement of a pusher plate 6 for compressing water-borne refuse sucked into a chamber 3 on a vehicle is limited so that the plate stops short of the inlet 4, 5 for the refuse to prevent refuse ever getting behind the plate. The plate also serves for ejecting refuse through the end hatch 9. The travel of the plate 6 may be limited by the conconstruction of the ram 8 which drives it or, as in the construction shown, by a pair of pivoted links 11. Water which passes behind the plate 6 as the plate compresses the refuse is discharged through an outlet 13. The forward portion 2 of the vehicle body may serve to contain clean water or a disinfectant. Specifications 382,683, 453,455 and 583,415 are referred to.
Patent GB-1445243-A (GB)
Title: Transfer ring charged particles to support material
IPC: G03G15/16
Filed: 1974-02-26
Abstract: 1445243 Transferring electrostatic images XEROX CORP 26 Feb 1974 [26 Feb 1973] 8733/74 Heading B6C In a method of transferring a developed electrostatic image from a support surface to a copy sheet secured to a transfer member which is electrically biased to attract the charged particles to the sheet, an alternating charge potential is applied to the support surface prior to transfer so as to pre-condition the charged particles and facilitate their transfer. The embodiment involves a multi-colour electrophotographic machine, Fig. 1 (not shown), where transfer of charged particles takes place between the photoconductive surface 12 of a drum 10, Fig. 2, and a copy sheet 34, secured on transfer roller 38 formed from aluminium tube, 69, a cast layer 70 of urethane, and a thin polyurethane coating 72. A D.C. bias voltage is applied to tube 69. A corona generator 36 is positioned before the transfer station and by means of discharge electrode (100), Fig. 3, (not shown) applies an A.C. charge potential to surface 12; this pre-conditioning improves the resulting quality of the transferred image, and is stated to eliminate "hollow" characters.
Patent GB-250922-A (GB)
Title: Improved means for supervising the movement of hoisting cages and the like
IPC: B66B3/02
Filed: 1926-03-31
Abstract: 250,922. Siemens & Halske Akt.-Ges. April 18, 1925, [Convention date]. Index attachments.-The arm of a weighted member 8 attached to an endless rope 9 passed over pulleys 10, 11 rests on the cage 1. The spindle 12 of the pulley 10 actuates the transmitter 13 of a depth indicator 15. The length of the rope 9 is such that the indicator is only actuated during the initial and final stages of the movement of the cage. A contact 29, Fig. 2, is mounted on the spindle of a device 30 which may be similar to the indicator 15 and is actuated by the transmitter 13. A corresponding contact 28 is rotated through gearing by the spindle of the winding drum 7 which also actuates the depth indicator 20. During normal working the contacts 28, 29 rotate at the same speed and remain in contact, thereby causing the energization of the relay 32 and consequently the opening of the contact 23. When the cage nears the pit head, the tail 20' of the nut 20 of the depth indicator closes the contact 21, and if the contacts 28, 29 have separated owing to the slipping of the hoisting rope, the contact 23 will be closed, and the alarm 34 will be actuated, and the lamp 35 lit. In a modification the cage is connected to one end of a cable wound on a drum which actuates the indicating mechanism.
Patent GB-915923-A (GB)
Title: Improvements in or relating to locking devices
IPC: F16B7/14
Filed: 1961-03-10
Abstract: 915,923. Locking-rods. HARLOW, F. Sept. 25, 1961 [March 10, 1961], No. 8768/61. Class 80 (3). [Also in Groups XXIII, XXV and XXVIII] A device for locking a rod-like member 13 in the end of a tubular member 4 comprises a cup-shaped member 1 having a cylindrical wall 2 rotatable on an eccentric portion 3 of the outer wall of the tubular member, and having a base 11 with a clearance bore 12 equally eccentric to the wall 3 and a counterbore 15 to receive a freely-rotatable bush 16 adapted to be a close sliding fit on the rod-like member. The cupshaped member 1 may be retained on the eccentric portion 3 by a circlip 18, a threaded ring, or a threaded pin which co-operates to limit the rotational clamping movement of the member 1. The eccentric portion 3 may have a cylindrical skirt 6 secured to the end of the tubular member 4 by screwing, welding or crimping. The rod-like member may have a stopped longitudinal groove co-operating with a dimple in the tubular element to limit longitudinal movement and may be of other than circular cross-section as when used to clamp a hand tool into a handle.