baber/WOPTO huggingface dataset:
Patent GB-346861-A (GB)
Title: An improved safety switch applicable to electric accumulators and batteries for automobile vehicles
IPC: H01H25/06
Filed: 1930-01-23
Abstract: 346,861. Snap-action switches ; retractive switches. MUFFETT, S. H., 9, Meadow Hill Road, Tunbridge Wells, Kent. Jan. 23, 1930, No. 2388. [Class 38 (v).] A switch for a motor vehicle for disconnecting the battery from the wiring system, and capable of carrying the heavy currents of the electric starter comprises a plate or bar 6 of conical shape adapted to be pressed by a spring 5 into bridging engagement with two contact blocks 11 ; auxiliary contacts for putting the ignition system out of action when the above main switch is open may also be provided. The plate 6 is shown mounted on a spindle 2 having a handle 3 with a projection 12 which, when the handle is rotated, rides on an incline 13 and raises the plate 6 out of contact. A spring-pressed ball 15 engages a recess 14 in the spindle to prevent accidental displacement of parts when the switch is closed. The auxiliary contact may be spring plungers 16 which engage a ring 17 when the main switch is closed and the terminals 20 leading to the contacts 16 may be protected from the main terminals 19 by an insulating shield 18. In modifications, the auxiliary contacts may break circuit when the main switch is closed, thus adapting the device for magnets instead of pole ignition, or the spindle 2 may extend below the baseplate 8 and carry a sleeve with the bridging contact mounted on one end of it so that by reversing the position of the sleeve on the spindle, contact may be either made or broken when the main switch is closed. In another modification, the spindle 2 is lifted against the spring 5 by a direct pull, and then held by a slight rotation of the handle 3.
Patent GB-215418-A (GB)
Title: An improved shock-absorbing body mount for vehicles running on road or rail
IPC: B60G99/00
Filed: 1923-01-27
Abstract: 215,418. Skenfield, H. S., Webber, H. J., and Smith, S. E. Jan. 27, 1923. India-rubber and like springs.-A resilient unit for use between the body and undercarriage of a road or rail vehicle comprises two brackets, one on the body and one on the undercarriage, and a rubber or like pad substantially completely enclosed by the brackets and mounted in shear between them. As shown, a pair of such units comprises brackets 12, 13 secured to the body 10 and formed with cylindrical housings 14, 15 which face each other and co-operate with housings 17, 18 on an undercarriage bracket 16 to enclose pads 19 of rubber &c.
Patent GB-587531-A (GB)
Title: Improvements in, or relating to, metal partitions or walls for buildings
IPC: E04B2/74
Filed: 1944-02-11
Abstract: 587,531. Walls. HILLS PATENT GLAZING CO., Ltd., and HINCHLIFFE, E. D. Feb. 11, 1944, No. 2530. [Classes 20 (iv) and 87 (i)] In a metal wall unit comprising two parallel sheets whose edges interengage with the edges of adjacent units, one side and either the top or bottom of each sheet is formed with inwardly stepped edge portions, its other two edges being unstepped, and the two sheets are so arranged that the stepped edges of one are located opposite the unstepped edges of the other. As shown, engagement is limited by shoulders 4a, formed as the sheet edge 4 is stepped inwardly to accommodate the reinforced sheet edge 3 of the adjacent unit. Z-section connecting strips 5 completely close all edges of the units and at one side are secured, e.g., by welding, to the flanges or stanchions 8 (which may extend through the full height of the wall), while at the other side holes in the strips 5 may engage studs or pegs on the webs of the stanchions. Transverse stiffeners are secured to the inner face of each sheet. Units at the top of a wall are attached to joists &c. by a strip-like bracket extended to form a moulding, and a channel member with flanges corresponding to parts 3 and 4 of the units forms the base.
Patent GB-381435-A (GB)
Title: Improvements in or relating to shoe filling machines
IPC: A43D25/14
Filed: 1932-01-29
Abstract: 381,435. Boot - making machines BROOKES, N. E., 1, Quality Court, Chancery Lane, London.-(North American Chemical Co. ; 19, Chestnut Street, Cambridge, Massachusetts, U.S.A.) Jan. 29, 1932, No. 2728. [A Specification was laid open to inspection under Sect. 91 of the Acts, Feb. 22, 1932.] [Class 17 (i).] Fillings, machines for.-A shoe bottom filling machine comprises a substantially flatfaced spreading and pressing member, a shoe support, and mechanism to impart relative movement between the member and support substantially normal to the bottom cavity. The pressing member is oscillated about a vertical axis and the insertion and removal of the shoe caused to actuate the mechanism moving the support. The filler pressing and spreading member comprises a plate 53 carrying fore and rear blocks 54 embraced by curved spring plates housing a central block 55 and intermediate blocks 56 which latter are heated electrically. The plate 54 is oscillated about a vertical bearing by a crank, link and an eccentric on a shaft 73 driven by worm gearing from an electric motor. A spur-wheel on this shaft drives a gear 86 rotating with one member of a ratchet clutch the other member of which drives a crank 82 in a block sliding in a connecting-rod 79 pivoted to an arm 78 on the shoe support 76 itself pivoted at 77. The ratchet clutch is closed by a spring and provided with a pin 90 co-operating with cam and shoulder on a stop member 91 connected by a link to an arm on a shaft 107, a second arm on which co-operates with the tail of a pivoted member 104 normally lying in the path of the toe of a shoe positioned on the support. The shoe support carries a pair of spindles 94 each carrying an arm 40 to which is pivoted, at its free end, a welt supporting plate 45, the pair of arms and plates being independently urged towards each other by springs. These spindles also carry arms 95 clamped to trunnions of a block 96 carrying an adjustable toe support 101. A shelf 110 supports filler material, and is heated by an electric resistance 111 at its forward edge extending across the shelf, and a second similar resistance near the front corner. Knives are heated beneath the resistances, a metal plate spring-pressed upwardly providing a knife holder. In operation, a quantity of filler material is placed on the shoe bottom and the shoe slid into position with its welt over the plates 45. As the toe of the shoe tips the lever 104 the member 91 is retracted from the pin 90 and the ratchet clutch is closed, the connecting-rod 79 swinging the shoe up to the pad 20, thus spreading and compressing the filler. This operation is assisted by the oscillation of the pad about its vertical axis. Before the crank pin 82 has travelled a full circle, the shoe is swung away from the pad whereupon it is removed by the operator, the member 104 swinging to allow the stop member 91 to resume its position in the path of the pin 90, thus stopping the movement of the shoe support when this reaches starting position. Specification 381,809 is referred to.
Patent GB-305029-A (GB)
Title: Improvements in and relating to machine drives by means of electric motor and back pressure turbine
IPC: F04D15/02
Filed: 1929-01-26
Abstract: 305,029. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts-Ges.). Jan. 28, 1928, [Convention date]. Fan apparatus.-In plant in which a machine such as a pump a is driven alternately by an electric motor b and a back-pressure turbine c, the turbine valves are arranged so that when the turbine is not driving, its casing is connected to a point of low pressure. The object is to reduce friction losses in the turbine while it is running idle. A regulator f controls an admission valve d and a stop valve e for the turbine, and a non- return valve h is provided in the back-pressure, exhaust pipe g. In addition, a blow-off valve i is arranged to open the exhaust pipe g to a point of low pressure, e.g., the atmosphere or the condenser. The valve is opened by a rod k when the stop-valve e is closed.
Patent GB-719208-A (GB)
Title: Improvements in and relating to handle for electro-medical treatment
IPC: A61N1/08
Filed: 1953-01-30
Abstract: An electrode for applying electrical treatment, particularly for dental use, has an impedance set in the handle in such a position as to be in contact with the operator's hand.  The impedance is traversed by the treating current and as this flows the impedance becomes heated and thereby gives an indication of the progress of the treatment.  In order to ensure that the operator's hand shall be in contact with the impedance it may be flexibly mounted in association with a contact blade so that it must be pressed to close the contact which controls the passage of treating current.
Patent GB-935296-A (GB)
Title: Pulse generating from a single-phase or multi-phase a.c. source
IPC: B23K11/24
Filed: 1960-08-04
Abstract: 935,296. Charging and discharging capacitors. ROBOTRON CORPORATION. Aug. 4, 1960 [Sept. 25, 1959; April 18, 1960], No. 27089/60. Class 38 (4). An apparatus for supplying high amplitude pulses of electrical energy to a load L, particularly a resistance welder comprises a capacitor 5, reverse parallel connected phase-controlled thyratrons or e.g. nitrons 4, 6 and an inductance series connected across an A.C. supply 1, 2. During a first half cycle, when thyratron 6 is conducting, capacitor 6 charges until its voltage is equal to a point on the sign wave when thyratron 6 extinguishes. On the next half cycle, when thyratron 4 conducts, the capacitor 5 voltage aids the supply voltage causing a high amplitude pulse to traverse the inductance 9 which forms the primary winding of a transformer feeding the load L, which pulse continues until the capacitor is re-charged to the opposite polarity, when the thyratron 4 extinguishes. By varying the cycle point at which the thyratrons conduct, the pulse amplitude may be varied, thus being a maximum at the middle of each half cycle. By connecting a plurality of series-connected capacitors and pairs of thyratrons having different firing points in parallel, several pulses per half cycle may be formed. Arrangements, also having a plurality of capacitors and thyratrons fed from a 3-phase source are described in the Specification giving pulses of alternating polarity at 60 degrees spacing.
Patent GB-870052-A (GB)
Title: New graft copolymers
Inventor: SMITH ROBERT ROY
IPC: C08F251/02
Filed: 1957-01-25
Abstract: Graft copolymers of cellulose triacetate and styrene or a nuclear-methyl derivative of styrene such as a vinyl toluene or vinyl xylene are produced by subjecting cellulose triacetate to ionizing radiation such as gamma rays or accelerated electrons while in contact with styrene or a nuclear-methyl derivative thereof, the cellulose triacetate constituting more than 5% by weight of the original mixture of cellulose triacetate and styrene or nuclear-methyl derivative thereof.  Specification 801,528 is referred to.
Patent GB-578667-A (GB)
Title: Improvements in or relating to electric welding machines
IPC: B23K11/31
Filed: 1944-02-16
Abstract: 578,667. Control systems for resistance welding. WATKIN, H. G. Feb. 16, 1944, No. 2869. [Class 38 (iv)] [Also in Group XXII] Switching control.-A transportable multielectrode welding machine comprises a transformer 21 in casing 20 on one side of which two projecting arms 23 and 27 carry turrets 24, 28 to which multiple electrodes 30 are attached. The upper arm 27 swivels on a bearing on a bracket 25 to lower the electrode on to the work when a pedal 41 is depressed, the necessary action, being transmitted by a Bowden cable 39, 40 and springs 31, 32 and simultaneously moving a switch operating block 34 in casing 42. This block carries a bell crank lever 48, 50 the hooked end 51 of which engages in the arm 54 to rotate a sleeve 52 to which a cam 82 and a roller 58 on resilient arm 56, 57 are attached. The rotation of the cam results in the opening of a timing switch 45 and the movement of the roller 58 along the insulated block 59 closes a cut off switch 44. Block 34 later closes the primary switch 46, 47 whereupon the hooked end of the bell crank lever releases arm 54 to permit sleeve 52, cam 82, and roller 58 to return to the initial position under spring action. During this return motion cam 82 closes the contacts 71, 72 of timing switch allowing the welding current to flow until the roller 58 runs off the step 60 to open contacts 65, 66 of the cut-off switch by tilting arm 62 about fulcrum 63. To vary the time of initiation and thus the duration of the welding current, the angular position of the timing contacts 71, 72 about the periphery of cam 82 may be altered by the movement of the arm 76, which is located by the handle 79 bearing in the serrations 81 in the block 59. Specification 452,729 is referred to.
Patent GB-1494673-A (GB)
Title: Process for production of polymers
IPC: C08F2/38
Filed: 1975-01-23
Abstract: 1494673 Chain transfer agents KUREHA KAGAKU KOGYO KK 23 Jan 1975 [23 Jan 1974] 2957/75 Heading C3P The free-radical polymerization of vinyl or vinylidene monomers is effected in the presence of a chain transfer agent of the formula in which R 1  is (CR 5 R 6 ) n , n being preferably 1 or 2, R 2  to R 6  are hydrogen or C 1 -C 4  alkyl or R 3  and R 4  may form a fused ring. Preferred are 2,5-dihydrofuran, 3,6-dihydro-2H pyran and phthalan.
Patent GB-682200-A (GB)
Title: Improvements relating to needle or ball bearings
IPC: F16C9/04
Filed: 1949-03-23
Abstract: 682,200. Bearings. PAGE, V. J. June 23, 1950 [March 23, 1949], No. 2978/50. Divided out of 678,552, [Group XXVI]. Class 12 (i). Means facilitating the assembly of a plurality of connecting-rods 7, 9 on a crank-pin comprise shaped crank webs 3b over which the unsplit ends of the connecting-rods may be passed, and a hole 4 in at least one of the crank webs, through which bearing balls or rollers may be inserted. Spacing-washers for the connecting- rod ends are provided, and comprise two part washers held together by encircling clips 6. After the assembly of the bearings, the hole 4 is blocked by a metal plug 11, which, as shown, also constitutes means for securing a fly-wheel 10 to the crank-shaft.
Patent GB-469816-A (GB)
Title: Improvements in hair clipper and razor
IPC: B26B19/12
Filed: 1936-01-31
Abstract: 469,816. Hair cutting and shaving machines. AARON, H. Jan. 31, 1936, No. 3032. Convention date, March 13, 1935. [Class 131] In a hair - cutting machine in which a cutter 10 and a guard plate 11 are formed with finely spaced teeth 26, 24, a longitudinal slot 27 is formed in the guard plate extending transversely of the teeth and communicating with the spaces between the teeth to enable the machine to cut long or fine hairs. As shown, the cutting head is of tubular formation and both the cutter 10 and guard housing 11 are formed with a slot 27, in the longitudinal axis, the teeth 24, 26 being at right-angles to the slots. The slots may terminate short of the ends. The cutter 10 is reciprocated and oscillated by the engagement of an eccentric knob 20 on the driving shaft with a slot 21 in the cutter, the shaft being driven bv an electric motor in the handle 12. In a modification, the teeth 24, 26 are oppositely inclined, and pin-and-slot connections between the driving shaft and the cutter on the one hand and between the guard housing and the cutter on the other hand permit the cutter to oscillate but not to reciprocate. To reduce friction between the fixed and movable members, the guard housing has projections 42, Fig. 7, bearing against the movable cutter so that a three-point contact is obtained ; alternatively, the projections may be on the movable cutter. The slot may be arranged to one side of the longitudinal centre line as shown in Fig. 10 so that the teeth are entirely to one side of the slot. To obviate the danger of skin entering the slot, the housing is formed with a guard bar 31. The cutting member and guard plate may be flat or U-shaped.
Patent GB-924310-A (GB)
Title: A self-acting fluid flow valve
IPC: F16K15/08
Filed: 1962-01-26
Abstract: 924,310. Valves. HOERBIGER VENTILWERKE A.G. Jan. 26, 1962 [Jan. 26, 1961], No. 3121/62. Class 135. A non-return valve 4, e.g. for compressors, has an interchangeable wear plate 2 attached to the valve seating 1 with interposition of one or more shock-absorbing washers 3 whereby the wear plate is substantially immovable in the direction of valve lift. The washers may be metal, plastic, rubber or sintered material having high internal damping attached by cementing, vulcanizing or by nut and bolt 10, 9.
Patent GB-467686-A (GB)
Title: Improvements in and relating to depth maintenance runners for rotary tilling machines
IPC: A01B63/04
Filed: 1936-02-03
Abstract: 467,686. Machines for working land. FOWLER & CO. (LEEDS), Ltd., J., ELLIS, E. D., and SMITHERS, G. H. Feb. 3, 1936, No. 3199. [Class 6 (i)] Means for maintaining the earth-working tools of rotary tilling machines at a constant depth in the ground consists of a disc or discs arranged to rotate about a horizontal axis behind the tools and to roll on the untilled land below the worked soil. The disc C is of comparatively large diameter so that its axle remains above the tilled soil. The disc is not provided with cutting edges but is made thin enough to sink through the loose cultivated soil. It is mounted in a fork G pivoted on a plate A<1> which is free to swing about a hinge pin F connecting it with a bracket X on the pivoted frame A carrying the tilling tools B. The fork G is adjustable about its pivot H and is held in position by a bolt J passing through one of a series of holes J<1>. Abutments E, E<1> limit the range of adjustment. Scraper blades S are adjustably mounted on bars R projecting from the fork G. Lateral movement of the plate A<1> about the pin F is controlled by springs on a bar V fixed between brackets U.
Patent GB-931341-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01H23/14
Filed: 1960-01-29
Abstract: 931,341. Snap-action switches; hand actuating devices for switches. BUSCH-JAEGER DURENER METALLWERKE A.G. Jan. 29, 1960 [Jan. 29, 1959], No. 3221/60. Class 38 (5). In a switch assembly having a plurality of switches arranged side-by-side, pivoted operating members thereof are arranged to be restored jointly to the normal position by means of a pivotally-mounted web which underlies or overlies the operating members. The operating members 4 pivot about a spindle 3, about which the web 6 is also pivoted. In one form, the members 4 have projections 4a beneath the web which is operable by a button 8 secured to the web, Fig. 3. In a modification, Fig. 6, the button 8 is replaced by a member 9 similar to members 4 and having a projection 9a overlying the web. In a further arrangement, Fig. 7, the web 11 extends on both sides of the spindle 3 so as to underlie members 4 and is operable by a member 12 similar to member 9 of Fig. 6. Specification 852,668 is referred to.
Patent GB-811248-A (GB)
Title: Method and apparatus for mounting inclined rotary drums
IPC: F27B7/22
Filed: 1957-01-30
Abstract: 811,248. Bearings. CEMENTFABRIK HOLDERBANK-WILDEGG A.G. Jan. 30, 1957 [Feb. 27, 1956], No. 3340/57. Class 12 (1). An obliquely disposed rotary drum 1, supported rotatably by guide rings 2 on rollers 23, is supported axially by rollers 5 carried by longitudinally slidable supports 6 which are acted upon by fluid pressure. Each support 6 is connected by a rod 25 to a piston 7 working in a cylinder 8 connected to a fluid supply pipe 10. A pump 11 draws fluid, preferably oil, from a reservoir 12 and feeds it to the pipe 10, a relief valve 14 being provided in a by-pass 13. Fluid leaking past the pistons 7 is returned to the reservoir through a pipe 10a. The axial force carried by each roller 5 is proportional to the area of its associated piston 7. The rollers 5 contact bevelled faces 4 on the rings 2. Axial movement of the drum 1 in either direction is counteracted by variation of fluid pressure which is automatically effected by the actuation of switches 15, 16, disposed each side of the central ring 2, controlling the pump 11. Safety switches 17, 18, 19 are arranged to disconnect the motor driving the rotary drum, open by-pass valve 14 in the fluid circuit, and actuate an alarm device. Stops 20 prevent further movement of the support 6 if the above switches fail to operate. The entire pressure system is duplicated so that if one system fails the reserve may be brought into operation.
Patent GB-178946-A (GB)
Title: New or improved process of dyeing
IPC: D06P5/22
Filed: 1921-01-27
Abstract: Union goods containing both cellulose acetate and cellulose fibres are first dyed in the ordinary manner with substantive or other dyes, when only the cellulose fibres take up the colour, and are then subjected to partial alkaline saponification and the dyeing continued at a higher temperature and preferably in the same dye bath, whereby the dyestuff previously absorbed by the cellulose fibre bleeds out and is transferred to the cellulose acetate portion.  The treatment may be continued until a solid shade is obtained on the goods as a whole, or until the two portions display any desired difference of shade.  The alkaline saponifying-agent employed may be caustic soda, sodium carbonate, sodium sulphide, sodium silicate, sodium aluminate, or sodium borate.  The quantity employed depends on the degree of alkalinity; with caustic soda, for example, it should not exceed 10 per cent by weight of the cellulose acetate portion.  Examples are given of the dyeing of mixed cotton and cellulose acetate goods, but the cotton may be replaced by linen or other form of cellulose, natural or artificial.  Specifications 169,741 and 175,486 are referred to.
Patent GB-690892-A (GB)
Title: Apparatus for measuring ground resistivity
IPC: G01R27/18
Filed: 1951-02-12
Abstract: 690,892. Resistance measurements; geophysical prospecting. SPINK, K. Feb. 12, 1952 [Feb. 12,. 1951], No. 3367/51. Class 37. Apparatus for measuring ground resistivity, particularly for geophysical prospecting, comprises a circuit adapted to send a current through the ground from a transformer energized by interrupted D.C. obtained from a battery, and a circuit adapted to measure the resulting potential difference between ground electrodes. The circuit for supplying current to the ground comprises a transformer 1, Fig. 1, to which interrupted D.C. is supplied from a battery 2 through a vibratory interruptor 3. The battery 2, which may be a 6-volt accumulator, is connected between a central tapping of the primary winding and a movable contact 4 of the vibrator 3 which engages alternately two fixed contacts 5 connected to the ends of the primary winding. A push-button control switch 6 is included in the battery circuit, and a pilot lamp 7 indicates when the current is on. The secondary winding of the transformer 1 has a number of tappings connected to a multi-contact switch 8 so that different output voltages may be applied to ground electrodes connected to terminals 9, 10. The current is measured by a moving-coil milliammeter 11 connected in a bridge-rectifier circuit comprising four selenium rectifiers 12. A resistance 13 may be connected across the output terminals 9, 10 by a switch 14 to provide an artificial load for testing the apparatus. Difference of potential due to the current supplied to the ground is picked up by ground electrodes connected to terminals 15, 16, Fig. 2 and is measured by a multi-range A.C. millivoltmeter formed by a moving-coil microammeter 17 connected in a bridge-rectifier circuit 26 and by a number of resistances 19 of different values, any one of which may be connected in series with the rectifier bridge by a selector switch 20. To compensate for natural ground potentials, a dry battery 21 is connected across the micro-ammeter 17 through a variable resistance 23, which can be adjusted to zeroize the micro-ammeter 17 before taking a reading. A reversing switch 24 enables the polarity of the current applied to the microammeter 17 from the battery 21 to be reversed.