baber/WOPTO huggingface dataset:
Patent GB-178677-A (GB)
Title: Improvements in polishing machines for knives and similar articles
IPC: B24B3/54
Filed: 1921-03-16
Abstract: 178,677. Sheffield Steel Products, Ltd., and Skipwith, R. E. March 16, 1921. Cutting-edges, treating.-A machine for polishing knives &c. comprises two polishing-wheels d, e mounted in headstocks b, c on a base a. and a vertically-movable slide f carrying rollers g on which the knife is supported. The slide is connected by a link h to a disc i mounted on a shaft k journaled in brackets l which are bolted to the underside of the table, and the shaft is driven from the wheel d. The link is secured to the slide by a pin n which passes through a slot o, and the lower end of the link is secured by a pin passing through a slot q in the disc, so that the travel of the slide may be varied. Specification 16037/14 is referred to.
Patent GB-213909-A (GB)
IPC: E21C31/00
Filed: 1924-04-02
Abstract: 213,909. Maschinenfabrik W. Knapp. April 3, 1923, [Conventiondate]. Operating clutches.-Means for throwing out of gear the driving mechanism 13 of a rotary cutterbar 12 comprise two coaxial bevel wheels 15, 16 having lengthened hubs 20, 21, the outer 21 having slidable, but not rotatable, thereon, a clutch 23 adapted to co-operate with the wheel 16 and having dogs 24 thereon for engaging bosses on the wheel 16 for this purpose. The clutch 23 is operated by a yoke 25 having pivots 26 and shoes 27 engaging a groove in the clutch 23. The head 29 engages an eccentrically mounted cam 30 rotated by a lever 31 to operate the clutch. The positions of the hubs 20, 21 may be interchanged.
Patent GB-590467-A (GB)
Title: Improvement in primary cells
IPC: H01M6/10
Filed: 1944-05-05
Abstract: 590,467. Primary batteries. MALLORY & CO., Inc., P.'R. May 3, 1944, No. 8395. Convention date, Jan. 23, 1943. [Class 53] A primary cell is provided with a depolarizer consisting of a mixture of mercury oxide, sulphide or selenide with a finely divided conducting material such as graphite and a binder such as a solution in ether of polymerized vinyl chloride. The mixture is sprayed or painted on to a metal sheet forming one electrode of the cell. The second electrode may be of zinc or cadmium or an alloy of the metals and the electrolyte may consist of the hydroxide of potassium, sodium or lithium in solution or in a solid state containing water. The electrodes may be in strip form separated by cellulose &c. strips and the whole may be rolled into a spiral and inserted in sealed container. Fig. 1 shows the elements of a cell in the process of assembly. A strip of steel 11 forming one electrode is welded to a steel rod 10 and carries a layer formed by mixing together mercury oxide, graphite and a binder. The coated strip is dried, baked and then rolled between steel rollers at about 125 C. Above the depolarizing layer is a separator consisting of two layers of absorbent paper with an interposed sheet of regenerated cellulose and above the separator is a zinc strip 12 carrying a second similar separator. The whole is rolled about the rod 10, the zinc strip being sufficiently long to form an external wrapping to the assembly which is then inserted in a zinc cylinder, Fig. 2, which carries a cadmium or magnesium terminal strip 17. At this stage the cell is heated to 100 C. and immersed in the hot liquid electrolyte under partial vacuum to remove entrapped air. A pressure of about 100 lbs. per sq. inch is then substituted for the vacuum while the cell is in the electrolyte and the pressure is maintained till the temperature has fallen to 80 C. The cell is then removed and inserted in an insulating case 19 as shown in Fig. 3. This is closed by a washer 20 held in place by a rubber sleeve 21 and a layer of pitch &c. 22. A number of cells may be inserted in a partitioned cardboard box and joined in series to form a battery. The box is closed by a layer of pitch and enclosed in a second box having openings through which the terminal wires extend. Specifications 579,849 and 590,466 are referred to.
Patent GB-1528762-A (GB)
Title: Disc record locked groove skipper
IPC: G11B21/10
Filed: 1975-02-28
Abstract: 1528762 Disc-record playback RCA CORPORATION 26 Jan 1976 [28 Feb 1975] 8405/75 Heading G5R A rotating spirally-grooved disc record 12 is played back, e.g. by means of capacitance variations as described in Specification 1,392,202, by a groove-engaging pick-up 14 secured to an arm 15 supported in a carriage 30 which is driven radially inward and carries a steering member 36, Fig. 1, or 34, Figs. 4 and 5, which pushes the pick-up arm 15 inward when required to free the pick-up 14 from a locked groove. This is effected either by the continuing advance of the carriage 30, Fig. 1, or as a consequence of longitudinal movement of the pick-up arm 15 by a transducer 28 in response to a locked-groove recognition pulse, the transducer 28 normally imparting a smaller movement to compensate for variations in record speed.
Patent GB-847298-A (GB)
Title: Improvements in or relating to building structures
IPC: E04B1/36
Filed: 1958-03-17
Abstract: 847,298. Structural expansion joints. CONCRETE Ltd., and OYLER, G. March 17, 1959 (March 17, 1958] No. 8443/58. Class 20(4) In a sliding expansion joint between a first structural member 12 and an elongated structural member 18, the members 12 have a platform 15 attached thereto upon which one end of the member 18 is slidably supported and inter-engaging projections and slots 17, 19 are associated with the platform 15 and supported end of the member 18 to limit sliding movement of the member 18 to a direction parallel to its longitudinal axis. In one embodiment the projections 17 are metal pins upstanding from the platform 15 and the slots are formed in the member 18 and are provided with metal linings 20. The face of the member 18 resting on the platform 15 has a metal lining 24. The platform 15 is of mild steel and is supported by a gusset plate 16 united to the central reinforcement 13 of the member 12. The gusset plate 16 engages a slot 23 in the member 18. A layer of bitumastic material is interposed between the end face of the member 18 and the member 12. Graphite grease is placed between the upper face of the platform 15 and the member 18 to reduce sliding friction. A beam 26 located on the platform 15 may be grouted into a recess 27 in the member 12 on the side opposite the member 18. A precast concrete floor may be laid ,over the members 18, 26. In an alternative arrangement the pins may project downwardly from the member 18 to engage slots in the platform 15. The reinforcement 13 of the member 12 is filled with grouting.
Patent GB-744178-A (GB)
Title: Improvements relating to combustion equipment of gas-turbine engines
Inventor: JOHNSON FRANCIS MURRAY
IPC: F23R3/18
Filed: 1953-03-26
Abstract: 744,178. Generating combustion products under pressure. ROLLS-ROYCE, Ltd. March 12, 1954 [March 26, 1953], No. 8455/53. Class 51 (1). In a gas turbine engine, exhaust reheat combustion comprises fuel injecting means 21 and downstream thereof stabilizing means comprising a baffle element disposed in a tubular or annular casing, the upstream end of the latter being apertured to permit fuel and gas mixture to enter and flow between the baffle element and the wall of the casing, the wall of the casing extending downstream of the baffle element and being open to the gas stream at its downstream end. In Fig. 3 the baffle 23 is conical with the apex upstream and is mounted in a tubular casing having a conical portion 24, open at its apex 25 and a cylindrical portion 27 open at the downstream end. The baffle 25 is either open or closed at its downstream end. A transverse annular plate may be disposed between the baffle and the tubular casing, the plate being perforated for the passage of air-fuel mixture. In Fig. 6 an annular angle-section baffle 123 is disposed within an annular angle-section casing 124 having a slot opening 125 at its upstream end. Cylindrical walls 127 extend from the casing 124 and perforated rings 128 support the baffle within the casing 124, 127. In Fig. 7 the conical baffle 23 has a cylindrical extension 31, the downstream end of which is flanged, 32, to engage the cylindrical casing portion 27, the parts being secured by split pins 33. The cylindrical extension 31 is perforated at 34 for entry of fuel-gas mixture. A similar construction is used in the case of an annular baffle in an annular outer casing. The equipment is either for reheating exhaust gases in a jet propulsion engine or for reheating gases between turbines in a multi-stage gas turbine engine.
Patent GB-719955-A (GB)
Title: Improvements in and relating to dynamo-electric machines
Inventor: PORTWAY ANTHONY GENT
IPC: H02P9/14
Filed: 1952-04-03
Abstract: 719,955. Synchronous motors and generators. BRITISH THOMSON-HOUSTON CO., Ltd. March 17, 1953 [April 3, 1952], No. 8537/52. Class 35 A synchronous machine is compound excited for line voltage and its internal synchronous reactance drop, so that its powerfactor is independent of load conditions. The motor field winding W is fed by a direct-coupled exciter E excited from a rectifier R fed with the vector sum of voltages proportional to the line voltage and reactance drop. The first of these is derived from a voltage transformer T1 and the second from the drop across a compounding impedance Z fed with current from a current transformer T. Suitable phasing of the compounding exciting voltages for the power factor required is achieved by making the impedance Z resistive or resistive and reactive depending on circumstances. The exciting circuit may be three-phase if required.
Patent GB-724322-A (GB)
Title: Improvements in or relating to rail track tamping machines
IPC: E01B27/16
Filed: 1953-03-27
Abstract: 724,322. Rail track tamping machines. MATERIEL INDUSTRIEL SOC. ANON., and CONSTRUCTIONS MECANIQUES SOC. ANON. March 27, 1953 [April 1, 1952], No. 8563/53. Class 104 (2). A rail track tamping machine has its forward end supported during the tamping operation by pistons 14 bearing on the ground outside the sleepers and mounted in cylinders 13 arranged in V-formation at an inclination with respect to the track. A plate 17 is mounted on the end of the piston 14 by means of a ball socket 16. The cylinder 13 is attached to the end of an arm 12<SP>1</SP> pivotally mounted on a member 12 attached to the machine so that it may be swung from the operative position upwardly and inwardly so as to lie within the allowable contour A when the vehicle is to travel along the track. The packing tools 8 are mounted on levers 7 which are mounted on pins 9 of screwed members 10 which can be moved by screwed spindles 11 to move the levers 7 towards or away from one another. An eccentric shaft 5 oscillates the levers 7 through rods 6. The pistons 14 are lowered simultaneously with the lowering of the packing tools. The piston is returned to its normal inoperative position by a spring 18. A device 15 locks the arms 121 in the operative or inoperative positions.
Patent GB-1143187-A (GB)
Title: Tape dispenser
Inventor: COSTELLO ALFRED PATRICK
IPC: B65H35/00
Filed: 1966-02-26
Abstract: 1,143,187. Tape dispensers. UNIVERSAL PATENT & DEVELOPMENT Ltd. 26 Feb., 1966, No. 8582/66. Heading A4G. A tape dispenser comprises a casing mounting a tape roll with an upper front nose having discharge opening 25 bordered by a top wall 30 and a front wall 15 through which the tape is dispensed, and a cutter 35 which may be hinged or, as shown, sliding to close the opening and project forwardly of the casing for severing the tape and leaving a projecting free tape portion. The tape guide 26 may be the cutter hinge or the cutter may have a sliding pin and socket connection with the top wall. The roll mounting spindle 21 may have a resilient, manually operated braking extension 22 which presses on the inside of the roll while locating the roll between casing channel flanges 12, 19. The case may comprise a channel section as shown, an open-sided casing with resilient prongs on the hub or a two-part casing with telescoping hubs, the parts being separable or fixed by pins, e.g. the cutter hinge.
Patent GB-589990-A (GB)
Title: An improved reel for wire, cable and the like
IPC: B65H75/22
Filed: 1945-04-06
Abstract: 589,990. Collapsable reels for cable, wire &c. HENLEY'S TELEGRAPH WORKS CO., Ltd., W. T., and BARKER, F. A. April 6, 1945, No. 8604. [Class 99 (ii)] A collapsable reel for cable &c. comprises a barrel portion 1 made up of narrow staves 5 which are made flexible at their middles 6 and ends 7 so as to permit of outward bending only, and two end flanges 2, pressure on which collapses the barrel as shown in Fig. 2. When the reel is in use, the cable wound on it is a safeguard against undesirable collapsing.
Patent GB-642011-A (GB)
Title: Improvements in or relating to machines for inserting the interiors of cushions intotheir covers
IPC: B68G7/05
Filed: 1948-03-24
Abstract: 642,011. Stuffing-apparatus. JELLY & CO., Ltd., and JELLY, A. H. March 24, 1948, No. 8641. Addition to 620,547. [Class 52 (iv)] In a stuffing machine of the kind having an extruding-ram working in a two-part laterally adjustable stuffing chest over the outer end of which the empty cushion &c. cover is placed, and in which one part of the chest is fixed and the other movable as in the parent Specification, the cross shaft 15 carrying the ram-operating pinion is power driven by a motor 27 controlled by a switch 30 operated by limit stops 36, 37 moving with the ram 10. The latter preferably comprises a cast-iron back plate 9 to which a hard wood face plate 8 is secured by studs 46 in keyhole slots.
Patent GB-819520-A (GB)
Title: Novel triazine derivatives and herbicidal compositions containing them
IPC: C07D251/50
Filed: 1958-03-18
Abstract: The invention comprises compounds of formula <FORM:0819520/IV (b)/1> where m is 1-8 and n is 2-8, m+n being at least 4.  Preferably m is 1 or 2 and n is 2 or 3.  The compounds may be prepared by reacting cyanuric chloride with two molecular equivalents of the appropriate alkoxyalkylamine, e.g. in aqueous dioxan at 0-5 DEG  C., followed by neutralization with aqueous alkali and filtration of the product. The preparation of 2-chloro-4,6 - bis - (3 - methoxypropylamino) - s - triazine is described, and a comprehensive list is given of other compounds of the general formula given which may be similarly prepared.  The compounds are useful in herbicidal compositions (see Group VI).ALSO:Herbicidal compositions comprise one or more compounds of the formula <FORM:0819520/VI/1> where m is 1-8 and n is 2-8, m+n being at least 4, together with an inert diluent.  The compositions preferably contain at least 0.5 per cent by weight of the active ingredient, preferably 1-95 per cent.  The diluent may be an inert solid, such as natural clays, diatomaceous earth, walnut shell flour, redwood flour, synthetic fine silica and calcium silicate; the active ingredient may constitute 25-90 per cent by weight of such powder compositions.  The solids preferably have a particle size below 50 microns.  Suitable liquid diluents include kerosene, Stoddard solvent, xylene, alcohols, alkylated naphthalene, diesel oil, glycols and ketones; the active ingredient may make up 0.5-50 per cent of the liquid compositions.  The compositions may also contain surface-active agents, such as sodium oleate, sulphonated petroleum oils, alkyl aryl sulphonates, sodium lauryl sulphate, polyethylene oxides and lignin sulphonates.  Examples are given of the compositions of the invention.
Patent GB-415834-A (GB)
Title: Improvements in or relating to short time electric switches
IPC: H01H7/12
Filed: 1933-03-23
Abstract: 415,834. Momentary-contact switches. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, TURNER, H. C., and SHERWIN, A., c/o Salford Electrical Instruments, Ltd., Salford, Lancashire. March 23, 1933, No. 8707. [Class 38 (v).] A momentary contact switch for controlling the detonation of explosives comprises two co-operating contacts 47, 54, the contact 54 being moved upwards towards the contact 47 when an arm 32 is rotated by hand in a clockwise direction to engage the end 59 of the lever carrying the contact 54 and the contact 47 being momentarily moved downwards to engage the contact 54 when a spur wheel 33, which has been carried round with the lever 32 against a biassing spring, is released. A roller (not shown) on the wheel 33 then moves past a block 50 on the contact 47 and momentarily depresses it. The time during which the contacts are closed depends on the speed of the wheel 33 and this is controlled by an escapement 43. The arm 32 is fixed to a shaft 21 which can be rotated by a detachable key and a hook 45 pivoted on the arm normally engages a pin 35 on the wheel 33 as shown. When therefore the arm 32 is rotated by means of the key, the wheel 33 moves with it ; the roller depresses and then passes beyond the contact 47 and eventually the end of the lever 45 strikes a fixed stop 46, which releases the wheel 33 to operate the switch as described above. The end 60 of the lever 32 at the same time engages a latch 61 so that the lever 32 is held against the action of its own biassing spring when the hand is removed from the operating key. The lever 32 is released to return to its normal position when the pin 35 on the spur wheel 33 strikes the latch 61 at the end of its return movement. In the form shown, the lever carrying the contact 54 is mounted on a pivot which is bodily movable by depressing a push button 66 and in order to bring the contact 54 near enough to be engaged by the contact 47 it is necessary for the button 66 to be depressed in addition to the arm 59 being engaged by the arm 32.
Patent GB-1015312-A (GB)
Title: Magnetic encoder
IPC: G01D5/12
Filed: 1963-03-05
Abstract: 1,015,312. Electric selective signalling systems. UNITED AIRCRAFT CORPORATION. March 5, 1963 [April 13, 1962], No. 8708/63. Heading G4H. A shaft position encoder comprises an outer stator, Fig. 2, and an inner rotor each of which carries a plurality of sensing heads 1 to 8 and A to D respectively, so arranged that as the rotor is turned a different pair of heads move into alignment for each significant position of the rotor. Each head carries an A.C. energized primary winding and an output secondary winding and normally a signal is induced in the secondary winding. However, when two heads are in alignment a low reluctance flux path is established from an inner permanent or electromagnet to the outer casing 12. This causes the two aligned heads to be saturated and so produce no output signals. The output signals from the twelve heads can be recoded (Figs. 4 and 6, not shown) to give a pure binary output.
Patent GB-736544-A (GB)
Title: Improvements in geiger-muller tubes
Inventor: BUTLER MICHAEL JAMES
IPC: H01J47/08
Filed: 1953-03-30
Abstract: 736,544. Geiger counters. MULLARD RADIO VALVE CO., Ltd. June 15, 1954 [March 30, 1953], No. 8711/53. Class 39 (1). In an end-window Geiger-Muller tube provided with a filling of krypton with iodine as quenching agent, iodine is present within the tube in the solid state so that the iodine pressure is the saturated vapour pressure at the operating temperature. The tube shown comprises a cylindrical cathode 1 closed at one end by a window 4 and sealed to a glass section 2 which supports the anode and is equipped with an end cap 3. Vacuum-distilled dry iodine is deposited in a band 5 on the interior surface of the glass section 2 by first driving all the iodine to the cap end of the tube by heating the window end, and thereafter heating the anode cap, e.g. by high-frequency induction heating, to drive the iodine to a relatively narrow band. The heating operation on the cap may be that used for soldering the cap in position.
Patent GB-514105-A (GB)
Title: Improvements in and relating to power transmission systems
IPC: F16F15/24
Filed: 1938-03-22
Abstract: 514,105. Power plant ; driving gear. JULIEN, M. F. A., and ROCARD, Y. A. March 22, 1938, No. 8746. Convention date, March 22, 1937. [Class 7 (ii)] A transmission system comprising an engine unit or units having a common crankshaft or crankshafts arranged in line and wherein provision is made for bringing the nodal point . of the characteristic torsional vibrations of the crankshaft towards its longitudinal centre, or, in the case of combined crankshafts, at the region of their adjacent ends, such means comprising an inertia element such as a flywheel driven by said crankshaft or crankshafts, has one or both of the free ends of the crankshaft or crankshafts connected with large inertia - elements through a torsionally flexible coupling. Fig. 5 shows a four cylinder engine with a flywheel 18 at the centre of the crankshaft which drives through flexible couplings 14, 15 a propeller 16 and a blower 17, the latter preferably through gearing shown. An engine having the centre of its crankshaft driving a flywheel through worm gearing also is described. One end of the crankshaft being coupled to a ' propeller by a flexible coupling. Two engines in line with a flywheel at the junction of the shafts and a propeller and flexible coupling at the end of one of them is described also. Fig. 8 shows an engine with four banks of radial cylinders, a virtual flywheel at the centre of the crankshaft being constituted by the counterweights on the crank webs. The Specification as open to inspection under Sect. 91 comprises also the following subjectmatter. Two engines with crankshafts coupled by a universal joint drive a propeller through a flexible coupling at one end. An engine driving a propeller through a flexible coupling drives also through step up gearing a flywheel in parallel with the propeller. An engine drives through gearing and flexible couplings at both ends of the crankshaft respectively a propeller anda blower. Two engines with parallel crankshafts drive through elastic couplings gearing connected to a common load shaft which. may be extended so as to be driven also by a similar pair of engines, with or without an elastic coupling in the load shaft extension. This subject-matter does not appear in the 'Specification as accepted.
Patent GB-472546-A (GB)
Title: Improvements in or relating to aircraft
IPC: B64D39/00
Filed: 1936-03-24
Abstract: 472,546. Composite aircraft. MAYO, R. H. March 24, 1936, No. 8758. [Class 4] In a composite aircraft comprising component aircraft 5, 7, mounted one on top of the other and secured together by releasable locking means a flexible link 8 is provided which continues to interconnect the components after detachment has taken place, link 8 consisting either of a pipe line through which fuel can be transferred after detachment from component 5 to component 7 or of a cable or the like by means of which a pipe line connection may be established between the two detached components. The fuel may be transferred by gravity in which case component 7 is arranged to fly below component 5 after separation or pumps may be installed in one or other component. One or other component also includes retracting means for link S. Specifications 400,292, 402,895, 402,951, and 402,997 are referred to.
Patent GB-199790-A (GB)
Title: An improved belt lacing apparatus
IPC: F16G3/00
Filed: 1922-03-27
Abstract: 199,790. Camp, H. J., and Watson, C., (Braun, M.). March 27, 1922. Coiling. - Apparatus for making belt-connections by wire spirals has combined therewith means for making the spirals. The apparatus also comprises means for perforating the belts at an angle and means for flattening the inserted spirals. Wire c is inserted in a slot at the end of a mandrel b and is passed with the mandrel through a threaded die a carried bv the machine. In this wav a spiral wire is produced which is threaded by hand through the perforations in the belt.