baber/WOPTO huggingface dataset:
Patent GB-446037-A (GB)
Title: Improvements in and relating to cutting-off grinding wheel and method of making it
IPC: B24D18/00
Filed: 1935-03-05
Abstract: 446,037. Grinding-wheels. NORTON CO., New Bond Street, Worcester, Massachusetts, U.S.A. March 5, 1935, No. 6884. Convention date, March 5, 1934. [Class 60] [See also Group V] A thin grinding-wheel, employed for cutting- off or making deep narrow cuts has on its flat side faces a multiplicity of projecting abrasive teeth, whereby binding of the wheel in the cut, overheating, and breakage of the wheel are avoided. The wheel, comprising abrasive grains and a bond, for example sodium silicate or an organic bond including resins, synthetic resins, or rubber, is formed in a mould, and before curing is removed to a plate 34, a flat sheet 32 of wire screen being placed beneath the wheel, and another upon the upper face thereof and pressure is applied by a top plate 36 to cause the sheets 32 to impress a pattern of the screen on the wheel faces, thereby causing abrasive grains, or groups of grains 13 to rise up or be extruded on the interstices of the screens ; stops 40 prevent the screens from being impressed too deeply in the wheel, and the wheel is cured with the screens in position thereon. In place of screens, shaped presser plates, rollers, &c. may be used to form the teeth on the wheel faces. Alternatively, the layer of abrasive and bond may be coated on a separately manufactured wheel before treatment as above.
Patent GB-324838-A (GB)
Title: Improvement in hat and like boxes or cases
IPC: A45C11/02
Filed: 1929-03-04
Abstract: 324,838. Burch, J. B. March 4, 1929. Lids.-The rim of the lid of a hat box &c. is formed of two or more segments A, B, C two of which B, C have their free ends formed as downwardly projecting overlapping flaps B<7>, C<7> adapted to be fastened to the body of the box by fastenings G. The other segment A, preferably of stiffer material, is hinged to the box at E and extends approximately one half the circumference of the box. In a modification the hinge E is dispensed with, the segment A being rigidly secured to the box, so that the lid will then open half-way only, the flexibility of the lid top forming the hinge.
Patent GB-739463-A (GB)
Title: Evaporating device for deodorizing, disinfecting or other liquids
Inventor: FRITZLER EGON
IPC: A61L9/12
Filed: 1954-03-10
Abstract: 739,463. Container-closures. LABORATOIRES DE CHIMIE APPLIQUEE SOC. a r.l. March 10, 1954, No. 6987/54. Class 125 (3). [Also in Group VI] A closure for a container holding a deodorizing or disinfecting fluid has a body 3, fitted within the inner skirt 10 of a sleeve 2 secured to the container mouth, topped by a head 4 and having two recesses 5 within which fit channel members 7 pivoted by pins 6 and carrying wicks 8 so that when the stopper is withdrawn lugs 9 on the members 7 contact skirt 10 and cause the members 7 to move away from each other and expose the wick.
Patent GB-410940-A (GB)
Title: Improved production of finely distributed copper compounds
Filed: 1933-03-08
Abstract: Colloidal copper compounds are obtained in paste form by mixing, in the presence of a protective colloid, a copper salt solution with a solution of ions which will form a copper compound insoluble in the mixture.  The precipitate is then washed until it is free from colloid and soluble salts and then concentrated until it contains the desired percentage of copper. If desired, a small quantity of a suitable colloid, alkali, alkali carbonate or mixtures thereof may be added.  Suitable precipitating agents include alkali salts of inorganic acids, e.g. carbonates, bicarbonates, arsenites, borates, ferrocyanides or silicates; alkali salts of organic acids, e.g. oxalates, certain fatty or rosin acids; alkali hydroxides; ammonium hydroxides to form hydroxides or basic salts, and alkaline earth oxides or hydroxides.  Protective colloids include gum, casein in alkaline solution, waste sulphite, cellulose liquor, gelatine, saponin or mixtures thereof.  According to examples: (1) copper sulphate is treated with borax in the presence of concentrated sulphite cellulose lye and sodium carbonate is added to the moist paste obtained; (2) the sulphite cellulose lye is replaced by an alkaline solution of casein; (3) copper sulphate is treated with sodium carbonate in the presence of gum arabic and sodium carbonate is admixed with the final product.  The products are stated to be useful for fungicidal purposes.ALSO:Colloidal copper compounds are obtained in paste form, suitable for use as fungicides, by mixing, in the presence of a protective colloid, a copper salt solution with a solution of ions which will form a copper compound insoluble in the mixture.  The precipitate is then washed until it is free from colloid and soluble salts and then concentrated until it contains the desired percentage of copper.  If desired, a small quantity of a suitable colloid, alkali or alkali carbonate or mixtures thereof may be added. Suitable precipitating agents include alkali salts of inorganic acids, e.g. carbonates, bicarbonates, arsenites, borates, ferrocyanides or silicates; alkali salts of organic acids, e.g. oxalates, certain fatty or rosin acids; alkali hydroxides; ammonium hydroxide to form hydroxides or basic salts, and alkaline earth oxides or hydroxides.  Protective colloids include gum, casein in alkaline solution, waste sulphite cellulose liquor, gelatine, saponin or mixtures thereof.  According to examples: (1) Copper sulphate is treated with borax in the presence of concentrated sulphite cellulose lye and sodium carbonate is added to the moist paste obtained.  (2) The sulphite cellulose lye is replaced by an alkaline solution of caesin.  (3) Copper sulphate is treated with sodium carbonate in the presence of gum arabic and sodium carbonate is admixed with the final product.
Patent GB-707301-A (GB)
Title: Improvements relating to spraying machines
Inventor: RIPPER WALTER EUGENE
IPC: A01M7/00
Filed: 1951-03-27
Abstract: 707,301. Crop dusters. PEST CONTROL, Ltd. March 26, 1952 [March 27, 1951], No. 7091/51. Class 6 (1). [Also in Group XXIX] A liquid or powder spraying machine of the type in which at least one spray nozzle boom projects outwards from a side of the machine, includes windshields hinged about the boom so that they can be swung upwards from a position in which they screen the nozzles from wind effects. In Fig. 1a a boom 4 supports a spray bar 3 having nozzles 2, and hinges 10 and 11, Fig. 2, support two main windshields 8, 9 extending along the boom. The windshields may be of metal sheeting secured to frames 13, and in their operative position are arranged at 45 degrees to the vertical and are held in this position by chains 14. The latter allow the windshields to move upwardly if they strike an obstruction, and in the inoperative position the windshields are swung upwardly and secured parallel to each other. Overlapping triangular end shields 16, 17 hinged at 19 are provided, and flexible curtains 20, which may be of rubber, depend from the lower edge of the shields so as to trail in the tops of the crops. Specification 671,026 is referred to.
Patent GB-1127083-A (GB)
Title: Magnetometer
IPC: G01R33/035
Filed: 1967-02-15
Abstract: 1,127,083. Magnetometers. FORD MOTOR CO. Feb.15, 1967 [March 9, 1966], No.7155/67. Heading G1N. A magnetometer using superconducting material operates on the principle that, in a known magnetic field, the superconductivity of the material is destroyed when current flowing through the material is increased to a known value. The magnetometer comprises two semicylindrical members 11, 12, Fig.2 of superconducting material, e.g. vanadium, joined together by insulating separators 13, through which screws 15, 16 of superconducting material, e.g. niobium, are screwed to provide a weak electrically conducting link between the two members. The value of the current at which the superconductivity of the weak link is destroyed can be regulated by adjustment of the screws. A variable A.C. or D.C. current, Fig. 3 (not shown), is applied to the two members and a galvanometer (G) or oscilloscope is connected across one of the screws. In a modification several weak links could be held enclosing a plurality of superconducting elements. In use the current is increased until a voltage is first detected by the galvanometer or oscilloscope at which point the value of the current flowing through the members is indicative of the intensity of the magnetic field in which the magnetometer is situated, for a particular adjustment of the screw. The whole apparatus is maintained at a temperature of about 40K at which vanadium and niobium are normally superconducting.
Patent GB-342565-A (GB)
Title: Improvements relating to pipe joints
IPC: B05D7/14
Filed: 1930-03-05
Abstract: 342,565. Pipe joints. STEWARTS & LLOYDS, Ltd., and HERBERT, F., 41, Oswald Street, Glasgow. March 5, 1930, No. 7185. [Class 99 (i).] The joints of pipes covered with bitumenimpregnated Hessian are protected by bitumen or other thermo-plastic material which is cast around the joint in situ. A moulding-box which extends over the parts not covered by Hessian comprises hinged semi-circular halves 1, 2 which are clamped together by a shackle 3 hinged to the part 2 and carrying a screw 5 adapted to bear on the part 1. Rubber sealing rings 7 and lifting handles 14 are provided.
Patent GB-680607-A (GB)
Title: Toll switching telephone system
IPC: H04Q3/00
Filed: 1948-06-21
Abstract: 680,607. Automatic exchange systems. AUTOMATIC ELECTRIC LABORATORIES, Inc. June 21, 1948 [July 10, 1947], No. 7215/51. Divided out of 680,521. Drawings to Specification. Class 40 (iv). The description is identical with part of that of Specification 680,521, the claims being directed to an alarm system operating over a carrier link between two exchanges.
Patent GB-579472-A (GB)
Title: Improvements in aircraft undercarriages
IPC: B64C25/14
Filed: 1944-04-19
Abstract: 579,472. Retractable landing-gear. MILES AIRCRAFT, Ltd., CHAPMAN, G. D., and SIBBICK, E. C. April 19, 1944, No. 7281. [Class 4] Aircraft undercarriage locking mechanism comprises a sleeve-like member 4, slidably mounted on the undercarriage leg 1 and having a member 8 interlocking with a fixed part 11 of the airframe, there being provided two spring mechanisms 22 acting on the sleeve 4 for maintaining member 8 in its locking engagement and means such as a pivoted lever 16, operated during the initial movement of a hydraulic jack piston 20 for retracting the leg 1 to disengage member 8 against the action of the spring mechanisms; the spring mechanisms 22 are shown in Fig. 3 in their most contracted condition and can serve as rigid members to thrust the sleeve 4 downwardly for unlocking. As shown in part elevation; Fig. 3, the locking' member is a pin 8 mounted in an upstanding part of a part 6 projecting from sleeve 4 ; the pin 8 carries a roller 9 which moves, towards the end of the downward movement of the leg 1, along a cam surface 13 in the fixed part 11 to extend members 22 against the action, of the compression springs 14 so that pin 8 enters, with snap-action, a recess 10 in the fixed part 11. The part in which the recess 10 is formed is shown in Fig. 3 as entering the space between sleeve 4 and the part 7 of the sleeve so that lateral loads upon the leg are supported as well as the fore-and-aft loads taken by the locking mechanism.
Patent GB-1438098-A (GB)
Title: Air freshener gels
IPC: C09K3/22
Filed: 1975-02-21
Abstract: The air freshener gel consists of a novel gelling agent and of an aqueous medium containing at least one volatile air freshener. The novel gelling agent contains carragheenin, carob gum and a water-soluble ammonium salt whose pH in aqueous solution is above 5.0. At least 40 % by weight of the carragheenin is  chi -carragheenin. The novel air freshener gel shows virtually no synaeresis, improved gel stability and viscosity.
Patent GB-225443-A (GB)
Title: Process for renovating worn flanged wheels
IPC: B23K9/04
Filed: 1924-03-22
Abstract: 225,443. Gollwitzer, A., and Warning, H. [Firm of]. March 22, 1924. Reworking worn articles.-Worn flanged wheels and tyres, particularly those of locomotives, are repaired by uniting by fusion, which may be performed electrically. The added metal E is employed to replace the worn part of the flange and the worn tread B and built-up flange are returned.
Patent GB-213285-A (GB)
Title: Process of the manufacture of soluble antimony compounds
IPC: C07F9/90
Filed: 1924-03-22
Abstract: Antimony compounds of pyrocatechin derivatives are produced by action of antimony oxide or hydroxide upon pyrocatechin derivatives containing attached to the nucleus one or more acid groups such as the carboxylic, sulphonic, or arsinic group; other groups may be present, but the use of gallic acid is excepted. The alkali salts of the products form neutral stable solutions suitable for injection. In an example the potassium salt of pyrocatechin disulphonic acid is heated in aqueous solution with antimony hydroxide; the liquid is made neutral by adding caustic potash, filtered, and the product isolated by evaporation, or evaporation and precipitation with methyl alcohol; it is not precipitated from solution by caustic soda or sulphuric acid but yields antimony sulphide with hydrogen sulphide. The Specification as open to inspection under Sect. 91 (3) (a) describes also the use of gallic acid and of "derivatives" of antimony oxide.  This subject-matter does not appear in the Specification as accepted.
Patent GB-200550-A (GB)
Title: Means for giving an alarm when the flow of liquids and gases through pipes or other conduits fails
IPC: G01P13/00
Filed: 1922-03-14
Abstract: 200,550. Dickinson, E. March 14, 1922. Flow meters, pressure-actuated.-Relates to apparatus for giving an alarm when the flow of liquid through a conduit ceases or falls below a predetermined regulatable minimum, of the kind comprising a pivoted vane 2 arranged in a casing 1 inserted in the pipe line or other conduit, and adapted to make or break an electric circuit and give an audible or visual alarm when the flow fails. According to the invention, the vane 2 completely covers the fluid passage, and the electric circuit-completing means are contained wholly within the casing. By means of a bolt 9, Fig. 1, projecting through the casing 1, the pressure of a spring 7 against the upper part 4 of the vane 2 is adjusted to close the vane 2 when the pressure of the fluid against it falls below a desired minimum, so completing the electric alarm circuit through the terminal 10 by contact of the upper part 4 of the vane with a terminal 5 insulated from the casing 1. A switch is provided for cutting out the alarm device at times of known stoppage, and the alarm may take the form of a bell, buzzer, light, or, in the case of engine lubrication, may operate the stop motion of the engine. In the modification illustrated in Fig. 5, the upper part of the casing 18 containing the circuit-completing means is shut off from the lower part through which the device passes by a plate 17; and a bell-crank lever 21 pivoted to a support 19 carried on the plate 17 contacts at one end with a terminal 27 and completes the alarm circuit through the nut 32, when the upper part 26 of the vane falls owing to the failure of flow. The bell-crank lever 21 is operated by a rod 29 pivotally attached to it at the upper end and renting at its lower end upon the upper portion 26 of the vane, passing through the plate 17 by a gland 25. The loading of the vane is adjusted as before by a spring 29 and bolt 31. The invention is described as being applied to systems of oil circulation for bearings, gravityfeed lubrication systems, steam and water supply pipes, and large mains, in which case the apparatus is inserted in a bye-pass from the main. Reference has been directed by the Comptroller to Specification 138,424.
Patent GB-231317-A (GB)
Title: Drilling polygonal holes
IPC: B23B51/00
Filed: 1924-03-24
Abstract: 231,317. Reichmuth, E., and Brunner, W. March 24, 1924. Drilling-machines; drills and cutters.-A device for drilling rectangular holes through any thickness of metal comprises a bodypart 1 carrying four overlapping milling-cutters 12 provided with teeth 13 and situated on the sides of a rectangle. The lower part 2 of the body is cylindrical and is prevented from rotating in a previously bored hole in the work, through which it is fed, by pins 9 entering holes in a guide plate secured below the work. The cutters are robated bv bevel wheels 14 driven by a central wheel 23 on a shaft 16, rotatably mounted in the body by means of ball-bearings 18, 19. The gears are protected from cuttings by a two-part casing 24 having apertures to receive the rotary parts and felt washers 25, 26 in the apertures.
Patent GB-492266-A (GB)
Title: Method for preparing iron and steel
IPC: C21B13/14
Filed: 1937-03-13
Abstract: 492,266. Iron and steel. ELIAN, J. March 13, 1937, No. 7459. Convention date, March 16, 1936. [Class 72] [Also in Group XII] In a direct process for the manufacture of iron and steel in which sponge iron is produced in a shaft 9 and melted in an open hearth furnace 15, the gas for the reduction of the ore supplied by a producer 1 is. heated in the furnace regenerators 6 and is subsequently used for combustion in the furnace. The sponge iron is cooled by the water jacket 19 and discharged continuously by the worm 18 into a storage chamber 20, from which the open hearth furnace is fed intermittently. Water gas from which tar and sulphur have been removed in purifiers 2, 3, is preferably used as the reducing agent, and its composition may be such that the heat produced by the exothermic reduction by carbon monoxide is sufficient to supply that necessary for the endothermic reduction by hydrogen, and to compensate for the normal heat losses. A suitable gas would contain 40À5 per cent of carbon monoxide and 50À5 per cent of hydrogen.
Patent GB-1136543-A (GB)
Title: Liquid fuel combustion apparatus for gas turbine engines
Inventor: RICHARDSON LESLIE FREDERICK
IPC: F23R3/02
Filed: 1966-02-21
Abstract: 1,136,543. Gas turbine combustion chambers. ROLLS-ROYCE Ltd. Feb. 20, 1967 [Feb. 21, 1966], No. 7527/66. Heading F1L. An annular or tubular gas turbine combustion chamber has an upstream end-wall 16 from which projects a duct 9 supplied with air past vanes 20 and liquid fuel from a nozzle 11, the air/fuel mixture being swirled by further vanes 26 and deflected by plate 48 so as to form in the combustion chamber toroidal pilot and main vortices 35, 36 respectively. During engine starting, the pilot vortex 35 is ignited by an adjacent igniter whereupon the main vortex 36 ignites. With increased engine speed, the pilot vortex becomes over-rich in fuel and its flame extinguishes, combustion continuing in the main vortex. The exterior surface of the duct 9 is cooled by air flowing through passages 45 and further cooling air enters the combustion chamber from the surrounding air jacket through passages 14, 56 and 58, the latter having a deflecting baffle 60. The end-wall 16 is supported from the nozzle 11 by the engagement of snout 17 on a part-spherical bush 19, rotation being prevented by a pin 17A.
Patent GB-182860-A (GB)
Title: Rock tunneling apparatus
IPC: E21D9/10
Filed: 1921-03-09
Abstract: 182,860. Bruno, S., and Natalini, O. March 9, 1921. Tunnelling by boring.-In a tunnelling-machine wherein a rotating member carries rollers or discs which act on the rock by their peripheries, the discs &c. have their cylindrical surfaces in zigzag formation. In the form shown, a carriage 1, supported on vertical wheels and forward inclined wheels, carries a motor 11 which, through gearing 12, shaft 13, and sleeve 15, rotates a pair of hollow arms 4 in which pistons 8 are slidably supported; spindles 9 connect pairs of pistons and carry the discs 10. Fixed angle-iron cutters 26 are provided between the hollow arms. Water admitted to a cylinder 24 acts against a ram 20 connected to an abutment 22 to advance the machine and passes through sleeves 18, 15 to the arms 4 to act on the pistons 8. The hydraulic advancing-means 24, 20, 22 may be provided in duplicate, such means then acting alternately so as to give a substantially continuous advance. In a modification, the motor 11 and gearing 12 are omitted and the arms 4 are provided with apertures so as to form a reaction turbine. The spoil is carried away by water. The machine is constructed of small parts to facilitate transport.
Patent GB-234231-A (GB)
Title: Improvements in the art of mounting and positioning artificial teeth for edentulous mouths
IPC: A61C19/05
Filed: 1924-03-25
Abstract: 234,231. Elstob, H. G., and Smith, S. C. March 25, 1924. Teeth, artificial.-A device for use with an articuiator for setting up teeth in a correct curve and in correct occlusal position comprises a soft metal disc C which is flat on one face and has impressions corresponding to a correctly articulated set of teeth on the other face. In making a denture, bite blocks B are mounted on the models A in an articulator and each block is reduced in thickness by half the thickness of the metal die C. The die C is bent to the correct curve and attached to one of the blocks B by pins passing through hole; D, the other bite block is removed, and the teeth set up in wax on the model in the usual manner but positioned so that each tooth fits into the corresponding depression in the bite block. The teeth so mounted serve as a guide for mounting those of the opposing set. A notch E on the disc serves as a guide to correct centering.
Patent GB-526154-A (GB)
Title: Plastic cellulose material and method of making same
IPC: D21H17/24
Filed: 1939-03-09
Abstract: 526,154. Cellulosic fibrous sheet material. DURAND, G. H. VULLIET-. March 9, 1939, No. 7664. Convention date, March 10, 1938. [Class 96] Plastic cellulosic fibrous material is made by adding mannan as an insoluble flour to paper pulp which is then sheeted on a paper-making machine. The sheets thus formed may be passed through a bath of acidulated, glycerinized, or formolized water &c. to gelatinize the mannan. In an example 50 kg of mannan flour are treated with ammonia gas, aerated, mixed with 50 kg of cellulose pulp and 25 kg. of soluble mannan. The mannan may be reduced to flour before or after being made insoluble.
Patent GB-986818-A (GB)
Title: Rotary impact tool
IPC: B25B19/00
Filed: 1962-02-27
Abstract: 986,818. Screwing-up nuts. 0. J.SWENSON. Feb. 27, 1962, No. 7666/62. Heading B3N. [Also in Division B4] The central driving shaft T of an impact wrench I has an enlarged diameter output member having a toothed ratchet portion 1, journal portions 2, 3, and non-circular end portions 4, 6 for driving a detachable socket from either end. The input member comprises a drum-like body casing 8 having tubular bushing members 8a, 8b which are mounted on the journal portions 2, 3 of the shaft, the said members 8b, 8a, respectively, forming supports for the rotor block 17 of the inertia member and a tubular extension 17a thereof. A power spring unit S comprises two spiral leaf-springs Sx, Sy interwound and oppositely connected between the extension 17a of the rotor member and a sleeve 24 mounted for angular movement on the casing 8, the power of the spring being adjustable by a screw 50. The bushing member 8b has three pawl-escapement-producing cams 42 formed on the flange 8b<SP>1</SP>. Three pawls 35 are provided, each pivotally mounted in a cavity in the inertia member 17. During relative angular movement between the driving unit and the inertia assembly escapement and resultant impact operations of the pawls 35 on successively engaged ratchet teeth 38 occur followed by triggering action of the pawls to release the energy stored in the spring S and cause the impact. Sockets 58 are provided in top and bottom walls of the casing 8 for engagement by the lugs 57 of a bar spanner 56. Alternatively, torque imput may be applied to the axially exposed bushing portions 45, 45<SP>1</SP> of the bushing members 8a, 8b.