baber/WOPTO huggingface dataset:
Patent GB-568865-A (GB)
Title: Improvements in hot plates for domestic cooking apparatus
IPC: F24C15/10
Filed: 1943-10-27
Abstract: 568,865. Hot plates for cooking stoves. HEATING CONSTRUCTION, Ltd., and DARBY, H. G. Oct. 27, 1943, No. 17718. [Class 126] In a gas or oil cooking stove, a hot plate for use over a burner 7 comprises a plate 1 having on its underside a series of downwardly projecting ribs 2, 3, 4 which cause the hot gases to take a sinuous up-and-down course on their way to escape slots 8 disposed near the periphery of the plate outside the outer rib 2. Instead of the ribs being formed as concentric circles, as shown, a single spiral rib may be provided, or, in the case of a rectangular plate for use over a straight grilling burner, the ribs are in the form of a series of rectangles one outside another. The ribs may be graduated in depth, as shown in Fig. 1, and additional gas escape apertures 9 may be provided between the ribs and in the central space 6.
Patent GB-758773-A (GB)
Title: Method of maintaining clear vision in windows and the like and compositions therefor
IPC: C09K3/18
Filed: 1954-06-16
Abstract: Window surfaces are rendered water and rain repellent by applying a polysilicane in admixture with carbon black and an abrasive cleaning agent having a particle size larger than that of the carbon black. The cleaning agent may be e.g. rouge, cerium oxide, very fine silica or diatomaceous earth, or the fluorides of calcium, barium, strontium and lithium, and may constitute from one-twentieth to ten times the weight of the carbon black.  The polysilicanes used are those consisting only of carbon, silicon and hydrogen, and having not less than one Si-Si linkage and one or more aryl or alkyl radicals attached to one of the linked silicon atoms, e.g. tetraethyldiamyldisilicane, diethyltetraamyldisilicane and octaamyltrisilicane.  The composition, which is applied by rubbing, may include a hydrocarbon solvent.  A coating of wax may subsequently be applied.  Specification 648,428 is referred to
Patent GB-420492-A (GB)
Title: Improvements in forced draught controlling devices for furnaces
IPC: F23L5/02
Filed: 1934-06-15
Abstract: 420,492. Controlling air supply. LUKS, F. A., 43, Boulevard St.-Michel, Paris. June 15, 1934, No. 17817. Convention date, Nov. 13, 1933. [Class 51 (i)] Upon opening a furnace door a switch is operated to start a forced draught fan and also clockwork mechanism which shuts down the fan after a predetermined time. The door is provided with a projection 7 which, when the door is thrown open, closes a switch 6 and current flows from mains 13 to energize a solenoid 17 the core 16 of which closes a switch 15 in the circuit of the fan motor 4. Simultaneously an energizing coil 21 closes a holding switch 20 and starts clockwork mechanism (not shown). Upon closing the door, the fan continues to operate until the clockwork mechanism releases the switch 20 when the solenoid 17 is then de-energized and the switch 15 opened by a spring 16<a> to stop the fan motor. An indicator lamp 10 is arranged in the motor circuit and a recording meter 12 registers the number of times the fan is operated. The suction pipe of the fan is provided with valves which are normally closed but open automatically when the fan is started.
Patent GB-141979-A (GB)
Title: Improvements in or relating to hoisting appliances
IPC: B66B15/00
Filed: 1919-07-16
Abstract: 141,979. Pickering, J. T., and Barron, S. E. July 16, 1919. Regulating and control-transmitting gear for winding and paying-out apparatus; driving-gear; brakes.-A hoisting- appliance of the kind described in Specification 13547/15 in which a pivoted framework h carrying a driving-pulley b<1> can be adjusted so that the driving-pulley acts as a friction clutch, engaging or disengaging the driving-rope l, is provided with a rod t mounted on the framework and carrying a brake-block u adapted to engage the driven pulley m when the driving-pulley is disengaged. The appliance may be provided with reversing driving-gear such as a clutch and bevel gearing.
Patent GB-665004-A (GB)
Title: Solvent mixture for acrylonitrile polymers
IPC: C08J3/09
Filed: 1949-07-07
Abstract: Solutions and gels of polyacrylonitrile and copolymers of acrylonitrile and another monomer containing in the copolymer molecule at least 85 per cent of acrylonitrile are made by dissolving or swelling the polymer or copolymer in a mixture comprising nitromethane and water.  The nitromethane may be in part replaced by nitroethane, 1-nitropropane or 2-nitropropane and the solvent mixtures may include the solvents used in U.S.A. Specifications 2,404,714-2,404,727.  The other monomer may be 2-vinyl pyridine, styrene, dimethylitaconate, methyl vinyl ketone, methacrylic acid, ethyl vinyl sulphone, methacrylonitrile, isobutylene, vinyl acetate, vinyl chloride or butadiene.  In an example, polyacrylonitrile of M.W. 60,000 is made by slowly adding acrylonitrile to a heated mixture of water, ammonium persulphate and sodium bisulphite.  The solutions or gels of the polymer or copolymer may be extruded into filaments or fibres by dry or wet spinning techniques, using coagulating baths containing water, glycerine, alcohol, ether or aqueous solutions of salts, alkalis or acids, or cast into films or tubes, or made into artificial horsehair, bristles, ribbons, covers for rayon spinning bobbins, liners, battery separators, protective clothing, carpeting, upholstery, tents, awnings, tarpaulins, flags and sails.  The fibres may be hot or cold-drawn.  Specifications 459,596 and 461,675 are referred to.
Patent GB-613190-A (GB)
Title: Improvements in or relating to dredgers
IPC: E02F3/34
Filed: 1946-06-14
Abstract: 613,190. Dredgers. CHUBBOCK, F. W., and CHUBBOCK, R. J. June 14, 1946, No. 17967. [Class 68 (i)] Means for dredging dykes &c. comprises a bucket 1 pivoted on each side to members 2, 3, the members 3 being also pivoted to an axle 8 on a frame 7 connected to a tractor and the members 2 to arms 6a pivoting about the axis 8, stops 9, 10, limiting the movement of the arms 6a. On lowering the bucket in the full line position shown, and movement of the tractor away from the dyke, the bucket is filled; on reverse movement of the tractor, the bucket swings into carrying position in which it may be skidded out of the dyke, when it is raised by a rope 12 for emptying. The arms 6a and axle 8 may be integral, the frame 7 may be mounted on wheels 16, endless tracks or a single castor, or the dredging device may be directly supported on the tractor; the rope 12 may be operated by a hand or power-driven winch, or from the wheels or axle of the tractor &c.
Patent GB-972959-A (GB)
Title: Phosphorus-containing esters
IPC: C07F9/32
Filed: 1963-05-07
Abstract: The invention comprises compounds of <FORM:0972959/C1/1> where R1 and R2 each represents alkyl or alkoxy and X is oxygen or sulphur. They are prepared by reacting a phosphorus acid R1R2P (X)SH in the form of a salt or in the presence of an acid binding agent with a haloacetic acid N-alkylamide of formula <FORM:0972959/C1/2> where Hal is chlorine or bromine. An inert solvent may be used. Temperatures of 40-100 DEG C. are preferred. The products are pesticides.ALSO:Pesticidal compositions comprise an organophosphorus compound of formula <FORM:0972959/A5-A6/1> where R1 and R2 each represents alkyl or alkoxy and X is oxygen or sulphur (for preparation see Division C2) together with a solid carrier or liquid carrier with or without a non-ionic emulsifier.  Other insecticides and/or fertilizers may be present.
Patent GB-1175035-A (GB)
Title: Improvements relating to crank handle assemblies
IPC: G05G5/28
Filed: 1968-04-17
Abstract: 1,175,035. Hand crank assemblies. FORD MOTOR CO. 17 April, 1968 [18 April, 1967], No. 18028/68. Heading B7E. [Also in Division E2l A crank handle assembly for use with an estate car tailgate window comprises a base member 16 connected to the tailgate 17 and formed with a flanged aperture 22 in which is rotatably located a lateral cylindrical extension 26 of a crank member 25, the member 25 having pivoted to it at 46 an operating handle 47 pivotal between an overlying position, Fig. 2, and an extended operating position, Fig. 3, there being located in the cylinder 26 a shaft 32 connected at one end by a rod 36 to window operating mechanism 56, and at its other end being formed with slots 34 by which it is connected to the handle 47 only when said handle is in its operating position. The connection between the handle 47 and the shaft 32 comprises a finger 51 pivoted at 52 to the member 25 and in the inoperative position of the handle forced out of engagement with the slots 34 by a spring loaded pin 41 located in the shaft. In the operative position of the handle an edge 54 thereof pivots the finger about 52 and forces it into a slot 34 against the pin. The shaft is urged outwardly by a spring 35 abutting a shoulder of the cylinder 26, the outward motion being restrained by rod 36 abutting the inner end of said cylinder. In the inoperative position of the handle a knob 48 thereof is held by a spring clip 58. Withdrawal of the knob from the clip can only be brought about by operating a lock which rotates the clip through 90 degrees via a rod 61 thereby allowing it to expand without contacting a stop 63. Opposite clip 58 is a rubber cushion 66 to prevent damage to the knob should the handle be moved to its inoperative position when 180 degrees out of phase with the base member 16.
Patent GB-828608-A (GB)
Title: Improvements relating to gramophone apparatus
Inventor: ADAMS JOHN NELSON
IPC: G11B3/08
Filed: 1955-06-22
Abstract: 828,608. Gramophones. COSMOCORD Ltd. Sept. 21, 1956 [June 22, 1955], No. 18055/55. Class 40 (2). A record-repeating device has a spiral arm 1 of wire, which engages a part 4 projecting from the sound-box or pick-up 3 to lift it clear of the record 5 and to move it radially towards the start of the record. As shown the arm 1 is of spring wire secured to the turntable spindle 9 by a collar 10 with grub screw 11; the radial part 12, below the level of the projection 4, runs into an inclined part 7 leading up to the main spiral part 1 normally above the top of the pick-up; as the pick-up is moved rapidly inwards by the run-off portion of the record groove 8, it is lifted by the part 7 on to the part 1 which is deflected by the pick-up weight to lower it gently on to the record at its outer end. Alternatively the pick-up may be lowered on to a manually or automatically operated rest enabling the record to be repeated at will, or under control of mechanism forming part of an advertising device.
Patent GB-1514853-A (GB)
Title: Process of and apparatus for heat-treating material having high sulphur content
IPC: B01D51/10
Filed: 1976-05-04
Abstract: 1514853 Heat treatment of granular materials ALLIS CHALMERS CORP 4 May 1976 [13 May 1975] 18173/76 Heading F4B An apparatus for heat treatment of granular materials of the kind described in Specification 1,318,016, material which reacts with excessive sulphur in the gases from the kiln is fed into the gas stream in the preheat zone. In a system for drying, preheating burning and cooling, material having a high sulphur content, which may be pellets of cement raw material, the reactive material is collected from below the grate 14 on the preheating and drying zones on an endless belt conveyer 63, pulverized at 65 and returned to the kiln end of the preheater by a duct 67. The preheater is divided by a partition 22, and cleansed gases from the second preheat zone, 24, mixed with air from the cooler 32 and moistened in mixer 81 is fed to the first preheat zone 23 through a dust collector 91 and a reheater 94. A dust extractor 47 is arranged in the heated air outlet from the second stage of cooler 32, and then cleaned heated air is fed to the mixer 81, as combustion air to reheater 94 and auxiliary burners 60, 61 in the preheat zones, to the upper part of the drying zone 21 and below the grate of the drying zone to stabilize the gas flows. Gas from the windbox 62 below the preheat zones, which may extend under part of the drying zone, to feed through a dust extractor 73 to the drying zone.
Patent GB-298922-A (GB)
Title: Improvements in or relating to methods of and apparatus for reducing zinciferous materials
IPC: C22B19/04
Filed: 1927-07-08
Abstract: 298,922. Jackson, L. Mellersh-, (New Jersey Zinc Co.). July 8, 1927, Resistance furnaces.-A vertical retort 10, contained within an electric furnace 11 of the kind described in Specification 298,921, is made of metal, preferably certain specified nickelchromium-iron alloys, and is supported solely by girders 25. The upper part of the retort is surrounded by a layer 38 of hardened carbon paste and by coal dust 43, and the lower end of the retort slides in an extension 18 bolted to the bottom of the furnace which is sealed by a graphite ring 15<1>. The charge is supplied intermittently to a hopper 32 closed by a plug 34. The cover 37 is then replaced and covered with coal dust and the plug is lowered to charge the retort. Pyrometers 16 are provided.
Patent GB-789511-A (GB)
Title: Improvements in and relating to tyre mounting and demounting apparatus
IPC: B60C25/132
Filed: 1954-06-21
Abstract: 789,511. Tyre removing apparatus. ATHMANN, C. C. June 21, 1954, No. 18207/54. Class 144 (1). A tyre removing or applying machine comprises a rotatable shaft 15 projecting upwardly from a wheel support-plate 14 and carrying a longitudinally-adjustable collar 49 from which a tubular arm 52 inclines downwardly, and a tyre manipulating blade 54, which engages between the tyre bead and the wheel rim flange and has a bead engaging projection 55, carried by a rod 53 adjustable supported in the tubular arm 52. Adjustment of the rod is effected either by a nut 59, held captive in a fork 57 on the arm 52, engaging a screw 60 extending from the blade 54 to overlie the arm 52, or by a pusher screwed into the rear end of the arm to extend the rod against the action of a return spring. As shown, the wheel is secured and centred on the plate 14 by rods 20 which are simultaneously extendable into engagement with the wheel rim by rotation of a flanged collar 19, to which they are pivotally connected, rotation of the collar 19 being effected by a screw-thread crank 26 actuating a nut 25 carried by a lever 22 on the collar. The shaft 15 is motor-driven through worm gearing 42, 43 housed below the plate 14, and the collar 49 is secured in any adjusted position by a set-screw 51 engaging a flat on the shaft 15. To break the tyre beads loose from the run flange, prior to operation of the manipulating blade 54, a pair of breaker shoes 35, 41 are pivotally supported one on each of two levers 29, 30 respectively which are pivotally connected together at adjacent ends, the lower lever 29 being pivotally anchored below the support plate 14 and the upper lever comprising an operating handle. The two levers are spring- loaded to the " open " position and the breaker shoe 35 pivoted on the lower lever 29 is connected by a member 38 to the flanged collar 19 so that on rotation of collar 19 it is automatically tilted to side-wall engaging position according to the size of the wheel rim. The breaker shoe 41, which engages the tyre side-wall opposite the shoe 35 on operation of the lever 30, is cranked in section to provide a rim flange abutting portion which limits the breaking movement of the shoe 41. Specification 789,512 is referred to.
Patent GB-168729-A (GB)
Title: Improvements in means for mixing granular, powdered or like substances
IPC: B01F29/62
Filed: 1920-07-02
Abstract: 168,729. Smith, A. B., Skelley, H. A., and Continuous Reaction Co., Ltd. July 2, 1920. Rotary batchmixers. - A rotarydrum mixer is constructed with a num ber of chambers of pyramidal or similar form extending radially outwards from the central part of the drum. As shown, three radial four - sided pyramidal chambers a, b, c are used, the wider ends of these chambers opening into the - central part of the drum. The drum is mounted on a horizontal shaft g driven through a pulley j &c. One of the chambers is fitted with a discharge valve o and an inspection opening p. The material to be mixed is introduced through an opening n.
Patent GB-419228-A (GB)
Title: Improvements in or relating to devices for supplying lubricant or other liquids
IPC: F16N15/02
Filed: 1933-06-28
Abstract: 419,228. Grease guns. SYMONDS, F., 12, Duke Street, London Road, Newcastleunder-Lyme. June 28, 1933, No. 18351. [Class 102 (ii).] A grease gun, particularly applicable for supplying colloid graphite to bearings, comprises a cylinder A having a piston B rotatably secured to a screwed rod C by means of a split ring F, which is soldered in position. A thrust ball G is interposed between the piston and the rod. The lower cover J is adapted to be secured to the part to be lubricated by means of a screwed sleeve coupling. The passage P contains a valve tube N, which is adapted to be pressed inwards by contact with the part to be lubricated, thus uncovering passages S. The bore of the tube is normally closed by a ball Q acted on by a spring Y housed in a plug X, which screws into the chamber O. The plug X is formed with passages R for the passage of lubricant. The gun is filled by forcing lubricant past the valve Q. This may be effected by means of a gun of the same construction but of larger size mounted on a stand in inverted position by means of its rod C and operated by rotating its cylinder.
Patent GB-183788-A (GB)
Abstract: 183,788. Brendle, J. July 27, 1921, [Convention date]. Addition to 167,766. Factory and like time-recorders, card-type; driving type wheels from clock; time and cost, computing.-Relates to a workmen's time recorder of the card type as described in the parent Specification wherein the means for actuating the time type wheels is automatically thrown into and out of gear by a clock actuated cam wheel acting on a mechanical control device According to the present invention, the control device comprises two levers and an oscillatory member which co-operates with a stepped plate adapted to be moved into the path of the pawl carrying lever actuating the time type wheel to prevent the whole or one of them being actuated during intervals of rest or after a normal working day respectively. The levers 11, 11<1>, which are rocked by cams 8 on the clock actuated wheel 6, control the movements of an oscillatory member 14<1> as described in Specification 182,418. The member 14' is provided with a slotted arm 41 engaging a pin on the member 40 having steps 40<a>, 40<b>, 40<c> which according to the position of the member 14<1> lie in the path of an arm 17" on the lever 17 carrying the staggered pawls or teeth 17<1> and allow or prevent one or the whole number actuating the corresponding ratchet gears 22-24 of the time type wheels 25-27 when the lever 17 is rocked in the manner described in the parent Specification by the forked member 29. The member 40 is provided with a special symbol to distinguish overtime periods and such is set into operative position when the step 40<b> is adjusted in the path of the arm 17". To record a greater number of hours than is possible with the type wheels 25-27 the highest wheel 25 is provided with a cam surface 82 with which engages a tooth 81 of a curved lever 80 carrying a unit type member adapted to be brought to printing position on the completion of half a revolution of the wheel 25.
Patent GB-111571-A (GB)
Title: Improvements in Dismountable Barrels for Transport Purposes.
Inventor: AERNOUTS FRANS JACQUES CAROLIN
IPC: B23K7/06
Filed: 1916-12-22
Abstract: 111,571. Aernouts, F. J. C. Dec. 22, 1916. Metal b a r r e l s ; collapsible barrels; heads; hoops and rings.- A metal barrel is formed of two similar separable parts a, Fig. 1, which can be nested together for transport purposes and are adapted to be secured to one another by bolts h passing through flanges b having asbestos packing g arranged between them. The flanges b may have iron hoops b<1> welded to them. The joint between the parts of the barrel is protected by a split corrugated band i, which forms a rolling-surface for the receptacle, the ends of the split band being drawn together by bolts. Dished ends c, which may have bung-hole seats c, are welded in place and are strengthened by rings d. In a modification, the halves of the barrel are secured together by a hoop n, Fig. 5, of U-section. The hoop n is formed in halves which are tightened together by bolts o.
Patent GB-680312-A (GB)
Title: Improvements in apparatus for folding fabrics
IPC: B65H45/101
Filed: 1950-07-24
Abstract: 680,312. Folding fabrics. SAMCOE HOLDING CORPORATION. July 24, 1950. [Sept. 16, 1949] No. 18433/50. Class 42 (ii). A folding machine for textile fabric comprises a movable table, a distributer swinging in an arc above the table to lay the textile material in successive folds on the table, a frame above the table and vertically movable within a predetermined range of movement, counterbalance means secured to the frame and effective to support a portion of the weight thereof throughout the range of vertical movement thereof, and means operating in timed relation with the distributer to press the edge of each fold after it is laid. As shown, fabric web 19 is delivered by calender rolls 20 to a conveyer comprising slats 21 on endless chains 22, and is delivered by the conveyer to a distributer 37, the arms of which are pivoted about a shaft 38 and which is oscillated by rotary arms 41. and links 40 to lay the fabric in folds on a table 54. The fabric passes between rollers 51, 52 on the distributer which are belt driven from shaft 38 which is itself chain driven from conveyer shaft 26. Rollers 66, 67, carried on arms 64, 65 rotating respectively clockwise and counter-clockwise, alternately engage the folded fabric, moving towards the folded edge, smoothing the fabric and creasing it at the fold. Arms 64, 65 are pivoted on a floating frame 56 mounted to move freely up and down posts 35 and counterbalanced by weights 61 within the posts. As each roller 66 or 67 engages the fabric, frame 56 is lifted slightly ; the rollers thus engage the fabric with a uniform pressure and the frame automatically rises as the thickness of the pile of fabric increases. Arms 64, 65 are driven from the shaft 42 which carries arms 41 via a chain drive carried by elbow members 75, 76. Shaft 42 is chain driven from the shaft 17 of the lower calender roll, shaft 26 is also driven from shaft 17 via a variable-speed V-belt 35 and chains 30, 27. Specification 495,785 is referred to.
Patent GB-421978-A (GB)
Title: Improvements relating to synchronised induction motor control
IPC: H02K17/24
Filed: 1933-06-29
Abstract: 421,978. Induction machines. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London, and ADKINS, B., 13, Fisher Avenue, Paddox, Rugby. June 29, 1933, No. 18531. [Class 35] [See also Group XXXVII] Induction motors 1, 2, 3, Fig. 1, are maintained in synchronism by feeding their secondaries in common from a commutator type of frequency-changer 6 provided either with variable speed driving means or excitation of variable frequency. The frequency-changer may have a stator winding 9 in series with the commutator winding, and may be driven by a variable speed motor 10. Alternatively, the frequency-changer may be self-driven with the winding 9 or an additional stator winding controlled by resistances, or a stator winding additional to the winding 9 may be connected to additional brushes movable on the commutator. In a modification, Fig. 7, the frequency-changer 33 is supplied with excitation of variable frequency by means of an additional frequency-changer 38 driven in any of the ways above-described for the frequency-changer 6, and an auto-transformer 37. The Provisional Specification describes an arrangement in which the motor secondaries are supplied from individual movable brush-sets for phase control, and a further arrangement in which each main driving motor is a combined induction motor and frequency-changer.