baber/WOPTO huggingface dataset:
Patent GB-1332725-A (GB)
Title: Apparatus for sanitizing swimming pools
IPC: C02F1/68
Filed: 1971-01-19
Abstract: 1332725 Delivering measured quantities of granular material PUREX CORP Ltd 19 Jan 1971 [9 Feb 1970] 2514/71 Heading B8M [Also in Divisions B1 and F2] Apparatus for dosing a metered quantity of a soluble solid with a flow of liquid comprises a mixing chamber 7 connected across a pump in the main flow (see Fig. 1, not shown) so that liquid enters at 12 and leaves at 13, being maintained at a constant level 15 by float and valve 36, 24. When the pump begins to fill the chamber the float 48 rises taking with it the body 54 until the lower valve surface 81 thereof clears the resilient annular sealing ring 71, when a charge of solute is released from the metering cup 69 with the liquid as shown. When the pump ceases to operate the chamber 7 is drained through conduit 41, and the float 48 falls so that the upper valve surface 80 of body 54 is below resilient annular sealing ring 68 (see Fig. 1, not shown) allowing a further charge of solute to enter the metering cup 69 from supply chamber 56. The metering cup is vertically adjustable to vary its capacity and is secured by wing nuts 72. In another embodiment (see Fig. 5, not shown) the solute is in the form of tablets (57) contained in a tube (83) the lower part of which dips into the liquid in the mixing chamber and has apertures 87; the tube (83) is vertically adjustable to vary the amount of solute exposed to the liquid. The apparatus is intended for adding disinfectant to circulating swimimng pool water the solute being, e.g. sodium or potassium dichloroisocyanurate.
Patent GB-284606-A (GB)
Title: Coke and gas-oven and process for heating the same
IPC: C10B21/22
Filed: 1928-01-26
Abstract: 284,606. Wessel, C. Jan. 31, 1927, [Convention date]. Coke ovens.-In a verticallv-flued coke oven in which combustion is effected at a number of points in the flues so as to give a long flame, rich gas is burnt with a limited quantity of primary air, and the products are led at a number of points into the flues where combustion is completed by secondary air. A preliminary combustion chamber h at the base of each heating-flue is supplied with gas from the conduit c and air from the regenerator g. The partly burnt gases enter a conduit l within the heating-flue e, and pass out through ports m arranged at various heights, combustion being completed by secondary air from the regenerator k. When the even is to be fired by lean gas the whole of the air is supplied through the regenerator k, while the regenerator g is used for preheating the gas.
Patent GB-415743-A (GB)
Title: Improvements in or relating to road and rail vehicle construction
IPC: B62D21/04
Filed: 1933-01-26
Abstract: 415,743. Motor - vehicle frames. DEHN, F. B., 103, Kingsway, London.- (Tatra Works, Ltd. ; 200, Kartouzska, Smichov, Prague.) Jan. 26, 1933, No. 2585. [Class 79 (iv).] A combined frame and body structure for motor and other vehicles comprises a central longitudinal tubular bearer 1 of circular cross-section carrying transverse bearers which are extended to form uprights 2 for attachment of the side walls of the vehicle. The central tube 1 may be formed with end flanges 4 for connection to front and rear axle units or, when applied to rail vehicles, for attachment of buffers or buffer supports.
Patent GB-194870-A (GB)
Title: Improvements in cigarette holders
IPC: A24F13/08
Filed: 1922-01-28
Abstract: 194,870. Clements, S. Jan. 28, 1922. Cigar and cigarette holders. - A wedge-shaped blade or spike 3 is formed with ratchet teeth 11 and a wedge-shaped inner end 6 which is driven through a concave metal ring 2 into the bore 7 of the holder 1. A sliding sheath 8 covers the spike when the holder is not in use, and is formed with a socket 10 to receive the - end of the cigar or cigarette when it is pushed on the spike.
Patent GB-933832-A (GB)
Title: Apparatus for dispensing preselected mixtures of liquids
Inventor: GARLAND RONALD MCGAVIN
IPC: B67D7/74
Filed: 1961-01-23
Abstract: 933,832. Mixing liquids in flow in proportions. VEEDER-ROOT Ltd. June 5, 1962 [June 23, 1961], No. 2656/61. Class 86. [Also in Group XVIII] In apparatus for dispensing preselected mixtures of two liquids, e.g. petrols of different grades, having a separate flow line for each liquid leading to a common discharge nozzle, each flow line including a pump, a flow meter having an output shaft and an output control valve, the output shafts of the two flow meters are connected to a summing differential mechanism the output shaft of which drives a first part of a cam-operated valve control mechanism for actuating the output control valves controlling the flow of liquid to the discharge nozzle and the other part of the cam-operated valve control mechanism is driven by the output shaft of one of the flow meters. In the arrangement shown in Fig. 1, the output control valves are actuated by the upward or downward rotation of a lever 14 by the longitudinal movement of a shaft 10 on which is mounted rotatably a cylinder 5 and fixedly a gear cluster 8. The cylinder 5 has a cam-track 6 in which is located a roller 13 mounted on a stud 12 secured to the shaft 10 and a gearwheel 4 driven through gear-wheels 1, 2 and 3 by the output shaft of the summing differential mechanism (not shown). The gear cluster 8 is secured to the shaft 10 by a key engaging in a longitudinal slot 9 so that the shaft 10 rotates with the gear cluster while allowing sliding movement relative thereto. The gear cluster 8 is driven through gear-wheels 7 and 7a by the output shaft of one flow meter and when the speed of rotation of the cylinder 5 is different to the speed of rotation of the shaft 10 movement of the roller 13 in the cam-track of the cylinder effects longitudinal movement of the shaft 10 to move the output control valves. In a modification the gear-wheel 4 is formed on a cylinder surrounding and secured to the cylinder 5 which is arranged for sliding movement to move the output control valves, the teeth of the gear-wheel 4 being of such a length as to permit relative longitudinal movement with the gear-wheel 1 of the summing differential mechanism.
Patent GB-278936-A (GB)
Title: Improvements in electric lamp holders
IPC: H01R33/46
Filed: 1927-01-31
Abstract: 278,936. Smith, H. L., and Fletcher, E. W. Jan. 31, 1927. Holders.-In holders of the kind wherein the cord-grip 3 rests on the terminal block and is compressed on to the supply leads 6 by the conical neck 1 of the cap, and wherein a projection on the bottom of the cord-grip engages in a recess in the terminal block to prevent it from rotating when the cap is being screwed down, the said projection 8 and the corresponding recess are square.
Patent GB-590521-A (GB)
Title: Improvements in or relating to head rests for operating chairs and the like
IPC: A47C1/10
Filed: 1945-02-02
Abstract: 590,521. Head rests. RITTER CO., Inc. Feb. 2, 1945, No. 2717. Convention date, Jan. 27, 1944. [Class 52 (ii)] [Also in Group XXXII] A head rest device concerned, as in Specifications 590,522 and 590,523, with the means for resiliently and detachably mounting the individual head supporting pads 13, on the bracket arms, 12, comprises a rod-like member 22 of rubber or the like the ends of which are moulded or otherwise secured in metal sleeves 23, 24 which fit in the sockets of the pad 13 and bracket arm 12 and are detachably secured therein by split-rings 28, 29 respectively, ring 29 being preferably of greater stiffness than ring 28 to to facilitate ready removal of the pad 13. In a modification, the ends of the rod 22 are secured in the sleeves 23 and 24 by detachable metal pins which pass through transverse holes in the rod 22 and abut against shoulders provided on the inner surfaces of the sleeves 23, 24, the pins being inserted before said sleeves are slid to their final positions at the outer ends of the rod.
Patent GB-746536-A (GB)
Title: A transparent luminescent screen
IPC: C09K11/59
Filed: 1954-01-29
Abstract: 746,536. Luminescent screens. STANDARD TELEPHONES & CABLES, Ltd. Jan. 29, 1954 [Feb. 5, 1953], No. 2749/54. Class 39 (1). A method of manufacturing a transparent luminescent screen by the known process of vaporizing a metal halide on to a transparent base of a silicate such as glass comprises the further step of converting the halide into the oxide and/or silicate of the metal by heating the deposited metal halide and the base together in a protective gas or air atmosphere. The activator may be vaporized at the same time as the halide or can be added to the halide layer after vaporization. The heating may be carried out inside the bulb of a cathode-ray tube.
Patent GB-1288123-A (GB)
IPC: A41F9/02
Filed: 1970-01-20
Abstract: 1288123 Garment bands LILLA EDETS PAPPERSBRUKS AB 20 Jan 1970 [21 Jan 1969] 2773/70 Heading A3V [Also in Division B5] An elastic tension band, e.g. for use with disposable babies underwear, comprises an elastic strip 1 of natural or thermoplastic rubber formed by one or more parallel strands 2 and elements 3 connecting the strands and/or projecting laterally from them, the strip 1 being either fastened to two outer layers of plastics or fabric material 4, 5 at the projections or the layers 4,5 being joined together through openings in the strip 1 as shown in Fig. 2. Alternatively (as in Figs. 5-7 not shown) one side of the strip may bear transverse projections (15), (16) which are secured to one outer layer (17), the other side of the strip being secured directly to the garment. The strip and outer layer(s) are secured to one another when the strip is in a stretched condition, securement being effected by thermoadhesion or a pressure-sensitive bonding agent.
Patent GB-304484-A (GB)
Title: Improvements relating to bakers' ovens
IPC: A21B3/07
Filed: 1928-01-28
Abstract: 304,484. Walker, Hunter, & Co., Ltd., and Walker, J. Jan. 28, 1928. Bakers' ovens. - A shelf or "spark plate" 1 having an opening through which small goods irom the oven may be raked, is fitted at the lower edge of the doorway, and beneath the shelf is a detachable funnel 5 for directing the goods into a receptacle, such as a net or sack hung from the hooks 10. The opening in the shelf may be - closed by a sliding plate 7. The device is secured to the oven front by the engagement of slots 9 in the upturned ends of the shelf with pins on the sides of the door opening. The space between the rear edge of the shelf and the oven front is closed when the oven door is raised by a spring- pressed hinged flap.
Patent GB-725680-A (GB)
Title: Preparation of alkali metal double fluorides of zirconium and hafnium
IPC: C01G25/04
Filed: 1953-02-02
Abstract: Alkali metal double fluorides of zirconium or hafnium are prepared by reacting a sulphate of zirconium or hafnium with a compound of calcium, strontium or barium, an excess of a fluoride containing salt and a compound of sodium, potassium or ammonium. The reaction may be carried out in aqueous solution at about boiling point or except in the case of ammonium double fluorides, by calcination of the reactants at 500-700 DEG  C. followed by leaching with water to recover a solution of the double fluoride. A single compound may supply the necessary fluoride and either the alkali or alkaline earth metal.  Thus fluorspar and potassium sulphate or sodium fluosilicate and calcium sulphate may be employed.  According to examples (1) insoluble basic zirconium sulphate is dispersed in water and sufficient sulphuric acid added to solubilize the zirconium.  A separately prepared hot solution of potassium sulphate with a small amount of potassium fluoride is slowly added to form potassium zirconium acid sulphate solution. To this is added a slurry of fluorspar and the whole is digested at 90 DEG C.  After settling or cooling a coarse precipitate of calcium sulphate forms and is separated and washed twice with water.  The filtrates are combined and evaporated to recover the double flouride, K2ZrF6.  (2) Normal zirconium sulphate is dissolved in water and fluorspar is added, after which a hot solution of potassium sulphate is added and the whole digested at 90 DEG  C.  The calcium sulphate is removed and the double fluoride recovered as in (1) above.  (3) A finely divided mixture of normal zirconium sulphate, potassium sulphate and fluorspar is wet mixed, ground and heated at 600 DEG  C. for 1 1/2 hours.  The resultant sinter after grinding is leached to recover the double fluoride.  (4) Potassium fluosilicate with a little potassium fluoride is added to a solution of normal zirconium sulphate which is then digested at 90 DEG  C. for 1 hour.  A separately prepared slurry of precipitated calcium carbonate is slowly added and digestion continued.  After diluting and further digestion the precipitate is allowed to settle and the double fluoride formed is recovered from solution as before.  The above procedures are equally applicable to hafnium.
Patent GB-1215502-A (GB)
Title: Improvements in or relating to monocoque carriage-bodies
Inventor: DRUBA ERWIN
IPC: B61D17/04
Filed: 1968-01-19
Abstract: 1,215,502. Railway vehicle side walls. LINKEHOFMANN-BUSCH WAGGON-FAHRZEUGMASCHINEN G.m.b.H. 19 Jan., 1968, No. 2911/68. Heading B7L. In a self-supporting monocoque railway carriage body, a side wall has its outer surface (apart from windows and doors) formed by light metal extrusions 1, 2, 3, Fig. 1, running horizontally and extrusions 16 running vertically between the extrusions 2 and 3, whilst the inner surfaces of the extrusions 1, 2 and 3 incorporate support beams or rails 4, 5, 12, 14 and 15. The beams or rails 5, 12 and 14 are provided with clamping rails 8, Fig. 2, to receive elastic support clamps 7 for holding inner wall linings 9 in position. As shown in Fig. 2, the extrusions 1, 2 are butt-jointed at 10 and welded together.
Patent GB-746689-A (GB)
Title: Combination tool
IPC: B25F1/00
Filed: 1954-02-02
Abstract: 746,689. Combination tools. KIRKEL, L., and DAVIES, T. P. A. Feb. 2, 1954 [July 30, 1953], No. 3071/54. Class 61 A combination tool comprises wire cutting pliers having a pair of operating arms, means for detachably anchoring the jaws to the blade of a shovel and means for locking the arms together to constitute a detachable handle for the shovel. The tool also comprises a hatchet, a pick and a detachable spanner. screwdriver or saw. The plier jaws 8, 9, which are provided with cutters 12, are carried by arms 3, 14 which when locked together by a threaded collar 15 provide a detachable handle for the shovel. The jaw 8 is carried by a head comprising a hatchet 1 and pick 2. The shovel blade 62 has welded thereto an angular member comprising a plate 73 arranged in the same plane as the blade 62 and a perpendicular plate 63. Webs 74, 75 are attached to the plates 63, 73 by cylindrical lugs 71, 72, 78, 79. The blade may be mounted on the handle in either of two working positions or in a position for use as a guard plate. The blade is mounted for use as a shovel, Fig. 3, by pushing the hatchet 1 under the web 74 and hooking the finger 77 around the lug 71, the head end of the pick being slipped under the web 75, the plier jaws are engaged on either side of the lug 72, the pliers closed and the movable arm 14 locked by the knurled collar 15. The tool is transformed into a hoe by mounting the hatchet and pick to lie flat against the plate 63. For use as a guard plate, Fig. 1, the pick 2 is engaged in a rectangular port in the plate 63 and on closing the arms of the pliers the lug 67 on the blade is enclosed by the circular hole 65 formed by semi-circular holes in the jaws. A wrench 45, screwdriver or other tool having a shank 47, Fig. 6, is mounted on the free end of the tubular handle 3 by means of an adapter 36, Fig. 5, slidable in the tube extension 18. A ring 23 screwing on the exterior of the tube 18 engages with a tang 37 projecting from the adaptor through a longitudinal slot in the tube to secure the shank of the spanner, a hook or keyway on the shank engaging a surface 54 on the adapter. The adapter 36 may carry one end of a rocking lever 33, Fig. 3, which projects through a longitudinal slot in the tube extension 18 and is secured in position by the ring 23 . The other end of the lever 33 is attached to one end of a saw blade, the other end of the blade being attached to a cover 25 of the hatchet. The ends of a fine thread-like saw 29 are looped over hooks provided on the end of the hatchet cover 25 and on the end of the tension lever 33.
Patent GB-951919-A (GB)
Title: Improvements in percussion tools incorporating a combustion cylinder for driving a reciprocable hammer piston
IPC: B25D9/10
Filed: 1963-01-24
Abstract: 951,919. Percussive tools. ATLAS COPCO A.B. Jan. 24, 1963 [Feb. 5, 1962], No. 3099/63. Heading B4C. An internal combustion percussive tool comprises a housing 1 having a combustion chamber 5 in which a piston 8 is reciprocable, a free working hammer piston 20 having a head portion 21 operable by the combustion gases, and means 27 in the housing for actuating the hammer piston by an upward thrust to return the piston, means 34 being provided to provide an additional upward thrust during the compression stroke and means 39 to substantially reduce the additional upward thrust towards the end of the stroke. The hammer piston 20 is provided with two head portions 21, 22 interconnected by a spindle 24 which is slidable in a collar 26 and formed with valving slots 25. The piston head 21 together with the cylinder 5 and collar 26, defines a pressure chamber 27 and the piston head 22, which is slidable in a cylinder 23, defines with the latter cylinder, two pressure chambers 28 and 34; the piston head 22 is formed from two spaced flanges 22a, 22b, Fig. 3, the space communicating, via a port, with a passage 38 in a sticking rod 29. The cylinder 23 is surrounded by an air pressure receiving chamber 19 which is supplied with air via a pipe 18, by a compressor 4, 10 driven by a common crank 3. In operation, after a firing stroke, the piston 21 is driven downwardly by the combustion gases, the rod 29 then striking a drill bit 30. The hammer piston is returned by means of air in the chamber 19 acting, via ports 40, and chamber 34, on the piston head 23 and, almost simultaneously, via ports 42 in the collar 26, the valving grooves 25 and the chamber 27, on the piston head 21. Towards the end of the return stroke, air which has been entering the chamber 28, via ports 42 and grooves 25, and thereby balancing the pressure on the other side of the piston 23, is vented via slots 39 in the cylinder, the space between the flanges 22a, 22b of the piston 22, and passage 38, the air finally escaping to atmosphere through a passage 32 in the drill bit 30.
Patent GB-327493-A (GB)
Title: Improvements in or relating to photographic apparatus
IPC: G03B19/04
Filed: 1929-01-30
Abstract: 327,493. Multipose Portable Cameras, Ltd., and Josepho, A. M. Jan. 30, 1929. Roll films and cameras therefor. - To ensure the correct insertion of a roll film into a hand camera for instance as described in Specification 318,092, a toothed sector is provided to engage perforations along one edge of the film at one end. The wheel 0 is normally held against a stop T by a spring against which it is rotated into the position shown by the perforations on the film C, as this is drawn into the container B. After the film has passed, the wheel is returned by the spring. The film has a cutaway portion at the end preceding the perforations to facilitate the insertion.
Patent GB-546098-A (GB)
Title: Improvements in or relating to oxygen jet cutting machines
IPC: B23Q35/32
Filed: 1941-03-07
Abstract: 546,098. Cutting by fusion. HANCOCK, L. J. March 7, 1941, No. 3147. Addition to 534,714. [Class 83 (iv)] In a flame cutting machine as described in the parent Specification, in which the height of the burner above the work is maintained substantially constant by gearing driven by a reversible electric motor controlled through relays by runners moving over the work, electric contacts are provided to bring about energization of the relay initiating raising of the burner when the runner falls through a predetermined distance independently of the burner, a limit stop being provided to operate the contacts to de-energize the relay when the burner reaches a predetermined height. A counterweighted switch lever 50 with contact spring 56 wipes over contacts 57, 57a, 58 separated by insulating segments, the contacts 57, 57a being connected in common to the relay controlling the motor for raising the burner 3 and the contact 58 being connected to the relay for causing the motor to lower the burner. The lever is pivoted at 55 in the box 17 secured to the burner and is connected through a rod 51 provided with knuckle joints 53, 52 to the yoke 12 fixed to the rods 10 carrying the runners 11. The yoke 12 may be longitudinally adjusted on one of the rods 10 and secured by the clamp 13 to vary the normal distance between the end of the burner and the work. The rod 51 may be adjustable for a similar purpose. The spring 56 normally rests between contacts 57 and 58. When the runner rises the lever 50 connects with contact 57 and the relay is energized to cause the motor to lift the burner. When the runner falls the contact 58 is engaged and the motor lowers the burner. When the runner travels beyond the edge of the work it drops and the lever engages contact 57a so that the burner is raised. The downward movement of the burner when the contact 58 is in circuit and the upward movement when contact 57 or 57a is in circuit, are controlled by limit stops 62, 63. In the former case after the parts 11, 10, 12 and 51 and the burner are lowered a predetermined distance, the stop 62 strikes the top of the burner holder 2 and the lever 50 thus turns clockwise into neutral position to stop the motor. In the latter case when the parts 11, 10, 12, 51 and the burner rise a predetermined distance the stop 63 engages the holder 2 to check the rod 64 which causes lever 67 to operate the yoke 12 so that the lever 50 is lowered to its neutral position to stop the motor. The position of the burner relatively to the parts 11 may be set by lowering the burner by the hand wheel, the parts 11 which are in contact with the plate thus rising to set the lever 50. The lever 50 may also be handcontrolled by an arm 73 on a spindle 72 carrying a pointed arm 72 co-operating with indicating points and provided with a ball catch engaging one of three notches in the switch box 17.
Patent GB-1450033-A (GB)
Title: Electric induction drive assemblies
IPC: H02K7/09
Filed: 1972-12-23
Abstract: 1450033 Induction motors EDA (OVERSEAS) Ltd 21 Dec 1973 [23 Dec 1972] 3239/75 Divided out of 1450031 Heading H2A The Specification repeats the disclosure of Specification 1,450,031 but the claims are concerned with the use of electromagnets to oppose the force of attraction between a stator and a rotor in an induction motor drive assembly.