baber/WOPTO huggingface dataset:
Patent GB-964706-A (GB)
Title: Improvements in and relating to epoxy based polymerizable or curable compositions
IPC: C08L63/00
Filed: 1960-12-08
Abstract: 964,706. Polymerizing and curing epoxides. UNION CARBIDE CORPORATION. Dec. 8, 1960 [Dec. 24, 1959], No. 42210/60. Headings C3B, C3C and C3R. Epoxide compounds containing at least one cyclohexene oxide or cyclopentene oxide group are polymerized or cured by means of a stannous alkoxide as hereinafter defined or a stannous salt of an aliphatic mono- or di-carboxylic acid which contains from 1 to 54 carbon atoms. Alkoxide is defined as an aliphatic organic compound containing an hydroxyl group in which the hydrogen of that group is replaced by a metal. An active organic hardener, i.e. an organic compound containing two or more groups which are reactive with epoxy groups may also be present. The acid or alcohol portion of the stannous catalysts may be substituted with hydroxy, halo or keto groups. Specified catalysts are (a) alkoxides: stannous methoxide, isopropoxide, butoxide, t-butoxide, 2-ethylhexoxide, tridecanoxide and heptadecanoxide; (b) acrylates: stannous acetate, propionate, oxalate, tartrate, butyrate, valerate, caproate, caprylate, octoate, laurate, palmitate, stearate, oleate, linoleate and ricinoleate. Many mono- and poly-epoxy hydrocarbons, ethers, esters, carbamates, acetals and spirobi (metadioxane) derivatives are specified. The active organic hardeners include polyfunctional amines, polycarboxylic acids, polycarboxylic acid anhydrides,polycarboxypolyesters, alkanolamines, polyamides, polyhydric phenols, polyhydric alcohols, polythiols, polyisocyanates, polyisothiocyanates and polyacyl halides, many of which are specified including the reaction products of polyfunctional amines with epoxides, e.g. ethylene oxide, propylene oxide, butadiene dioxide, diglycidyl ether, epoxidised soybean or safflower oil and polyglycidyl ethers of polyhydric phenols. Many examples are given in which polymerization or curing in the presence of the stannous compounds is compared with similar reactions in the presence of conventional hardeners or catalysts including the boron trifluoride monoethylamine complex, dioctyltin maleate, dibutyltin di(2-ethylhexoate) dibutyltin dilaurate, octyltin trilaurate and active organic hardeners as hereinbefore defined or using other epoxy compounds. In Example 42 a rigid epoxide foam is prepared by mixing a solution of stannous octoate in a half-acid ester prepared by reacting the propylene oxide adduct of glycerol with excess maleic anhydride with a solution of 3,4-epoxy-6- methylcyclohexylmethyl 3,4-epoxy-6-methylcyclohexanecarboxylate, tolylene di-isocyanate (20% 2,6- and 80% 2,4-isomers), trichlorofluoromethane and a siloxane-oxyalkylene copolymer. This foam is compared with similar foams prepared from the diglycidyl ether of 2,2-bis(4- hydroxylphenyl)propane.
Patent GB-1513937-A (GB)
Title: Sewing machines
IPC: D05B19/00
Filed: 1975-10-16
Abstract: 1513937 Sewing-machines MEFINA SA 16 Oct 1975 [23 Oct 1974] 42397/75 Heading DIG In a sewing machine in which the amplitude and direction of motion of a feed dog are determined by the angular position of a shaft 1 (e.g. in the manner disclosed in Patent No. 683370) the shaft is controllable both manually by a rotary button 5 on a spindle 4 acting through a cam 3 on an arm 2 of the shaft, and automatically, for periodic reversal of the direction of feed, in which a driven pinion with a cam profile 10 is brought into engagement with the cam 3, this being effected in one position of the button 5 by the intermediary of a rod 12.
Patent GB-1149180-A (GB)
Title: Abrasive flap wheel
IPC: B24D13/04
Filed: 1966-09-22
Abstract: 1,149,180. Abrasive tools. MINNESOTA MINING & MFG. CO. 22 Sept., 1966 [23 Sept., 1965], No. 42407/66. Heading B3D. A coated abrasive flap wheel comprises an annulus of radially disposed flaps of coated abrasive sheet material, said annulus being adapted for mounting on a shaft between a pair of side plates, there being provided, substantially only at and adjacent the radially outer lateral area where said annulus is to be contacted by said side plates, a resilient elastomer which penetrates between said flaps to form therewith a continuous ring when said annulus is positioned between side plates and subjected to axial compression, as in mounting. A flap wheel comprises coated abrasive flaps 11 bound together at their inner ends by a relatively hard tough resinous material 16. Each flap has notches, these aligning to form grooves 13, 13a receiving flanges 14, 14a on side plates 12, 12a. In the area immediately at and radially outwardly adjacent to the grooves 13, 13a is elastomeric material 17, 17a. The elastomeric material preferably has a Shore A hardness of 20-50; it may be a room temperature vulcanized silicone or a polyurethane. The elastomeric material may be poured into the grooves 13, 13a or may be a preformed ring.
Patent GB-1277879-A (GB)
Title: Improvements in anti-snake stabilisers for motor car and caravan combinations
Inventor: SCOTT JOHN MACLEOD
IPC: B60D1/32
Filed: 1968-09-06
Abstract: 1277879 Anti-snaking device for vehicle couplings J M SCOTT 5 Dec 1969 [6 Sept 1968] 42500/68 Heading B7T [Also in Division F2] In a motor car and caravan combination having a ball and socket coupling 12, an antisnake stabilizer has a tapered blade spring 17 which is connected at one end to a movable inner cylinder 15 of a motion damping device consisting of outer and inner coaxial cylinders 14 and 15 respectively, separated by a friction liner 16, and at the other end the spring 17 rests upon a lug 18 which is secured to one side of a forward extension 11 of caravan chassis 9, the arrangement being such that the blade 17 is distorted or flexed to relieve sag of the rear end of the car due to the weight of the caravan chassis 9 and, if snaking of the caravan occurs, the blade 17 can turn in a horizontal plane against the frictional forces generated by the liner 16 between cylinders 14 and 15 so as to prevent or diminish snaking. The cylinder 14 is mounted on a plate or bracket 13 which is bolted to the rear of the car. A further embodiment of the invention is shown in Fig. 4, in which a damping device and spring 17 is secured below the ball plate of the car and the other end of the spring 17 is secured to the centre of a transversely extending sagging chain 19 secured at each end to the sides of the chassis extension 11. The blade 17 is distorted by the chain 19 so that its free end is raised. In a still further embodiment (not shown), anti-snaking means are secured on each side of the ball plate and a lug 18 is secured on each side of the chassis extension 11. Each of the springs 17 can slide in a linear direction in their corresponding lugs 18 and this allows overrun brake movement.
Patent GB-1387736-A (GB)
Title: Dual-circuit two-line fluid pressure brake arrangements
IPC: B60T13/40
Filed: 1972-09-14
Abstract: 1387736 Dual braking systems; valves WESTINGHOUSE BREMSEN-UND APPARATEBAU GmbH. 14 Sept 1972 [29 Sept 1971 25 Oct 1971 24 Nov 1971] 42637/72 Headings F2F and F2V A dual circuit relay valve assembly 9 for controlling actuation of front and rear brake cylinders 15, 18 of a trailer is provided coupled in a brake pipe 19 leading to the tractor brake control pressure line, and pipes 5, 6 of first and second brake circuits which have reservoirs 7, 12 pressurized through a dual safety valve 3 from the tractor brake pressure line and respectively through supplying pressure to the cylinders 18,15 through two valves provided in the relay valve 9 assembly and by way of pipes 17, 14. When the tractor brakes are applied an appropriate pressure is applied through a control connection 21 of valve 9 to a chamber 32 displacing pistons 29, 30 and valve operating members 33, 34. Members 33, 34 firstly engage valve members 40, 58 closing exhaust passages 39, 57 from outlets 16, 13 to the cylinders 18, 15, further movement of members 33, 34 displacing members 40, 58 thereby opening communication between inlets 13 leading to reservoirs 7, 12, and outlets 16, 13 via chambers 45, 46. Pressure build-up in chambers 45, 46 moves the valve members to the lapped positions until a further increase again opens the valves. If the pipe 2 pressure fails a reverse check valve 4 in valve 3 opens and pressure in pipe 5 is vented causing a pressure fall at an inlet connection 10 of a valve 9. Pressure in a chamber 51 is discharged and an emergency brake member 52 is urged upwardly by a spring 54 towards member 34. Resilient lips of a ring 66 are urged apart by the pressure difference thereacross to seal member 52 in a bore 69 and member 52 closes off exhaust 57 by engagement with member 34 to connect the reservoir 12 with chamber 46 and front brake cylinders 15 through a pierced sleeve 65 and bores 71, 72 in member 52. To release the brakes of a decoupled trailer actuated in an emergency a connection 70 is provided connected to a release valve to equalize pressures on member 52 and permit cylinders 15 to be vented through exhaust 57. In a further embodiment both front and rear brakes are applied in an emergency. A further construction has neither of the two reservoirs 7, 12 charged through valve 9 the two valves of which connected into a given circuit are located side by side.
Patent GB-1404052-A (GB)
Title: Methods of operating automatic mould part producing apparatus and apparatuses for carrying out these methods
IPC: B22C15/28
Filed: 1972-09-15
Abstract: 1404052 Foundry moulding machines and processes DANSK INDUSTRI SYNDIKAT AS 15 Sept 1972 [23 Sept 1971] 43015/72 Heading B3F In a foundry moulding machine in which sand is blown from a bin 9 into a compression chamber 1 where the sand is pressed around a pattern 7 by a ram 5, before pressing, even compaction of the sand over the entire vertical extent of the mould is obtained by increasing the blow-in pressure above the sand as the sand is flowing from the bin 9 to the chamber 1. A pair of pressure reservoirs 13 may be provided, each supplying the bin with compressed air through separate pipes 11, each pipe 11 having an on/off air flow valve 12. The reservoirs may be maintained at the same or different pressures. The first valve is opened to start sand flow into the chamber 1 while the second valve is opened during sand flow to increase the air pressure acting on the sand. In an alternative arrangement only one reservoir 13 is provided. The single reservoir 13 is connected to the bin 9 by two pipes, each pipe having an on/off air flow valve or by a single pipe having a variable air flow valve. In the two-pipe arrangement the two valves are opened as previously described for the two-reservoir arrangement. In the onepipe arrangement, the air pressure acting upon the sand is increased by gradually opening the variable air flow valve as the sand flows into the bin 9.
Patent GB-973126-A (GB)
Title: Improvements in or relating to fire blocking arrangements
Inventor: WEITZMANN ERHARDT
IPC: A62C2/12
Filed: 1962-11-15
Abstract: 973,126. Reducing fire-hazard. FORTSCHRITT ERNTEBERGUNGSMASCHINEN VEB. Nov. 15, 1962, No. 43232/62. Heading A5A. An arrangement for interposing in a pipeline to prevent the spread of fire through the pipeline (through which gas or gas and a solid is or are blown) comprises a frame carrying connection members for mounting the pipeline and a pipe portion rotatably mounted in the frame so that it is normally held in registration with the pipeline against one or more springs and which rotates, e.g. through 90 degrees, so that it is out of registration with the pipeline when the means for holding the pipe against the action of the spring are released and the ends of the pipeline are closed. In the embodiment shown, the frame 1 with connection members 5 and 6 carries a section 7 rotatable about bearings 12 and 13 to positions in and out of registration with the pipeline. It is held in the position of registration against the spring 17 by a pawl 30 co-operating on a ratchet 29 attached to the winding drum 25 of a tensioning roller 26, the pawl being held in position by a tensioning spring 42 and connecting wire 36 which has fusible soldered " links " 41 which may be positioned over slots in the pipeline connection members. Breakage of the links 41 releases the pawl from the ratchet which enables the section 7 to be urged by the spring out of registration with the pipeline.
Patent GB-1514719-A (GB)
Title: Stereophonic electromagnetic pickup device for stringed musical instruments
IPC: G10H3/18
Filed: 1975-12-31
Abstract: 1514719 Pick-ups L A DAWSON and J R DAWSON 31 Dec 1975 [5 Oct 1974] 43287/74 Heading G5J A stereophonic pick-up for stringed instruments, particularly electric guitars, consists of a plurality of magnets or magnetic circuits 1-6, one for each string. At least some of the magnets or circuits 1-6 has two or more separate coils such as 11, 20 wound upon it. The coils are series connected in different sets 10-14 and 20-24 to provide stereophonic outputs U, V. The coils may have varying numbers of turns so that each string has a different apparent sound source when reproduced by loudspeakers.
Patent GB-1089190-A (GB)
Title: Improvements in or relating to fluidized bed treatment apparatus
IPC: F26B3/08
Filed: 1964-10-23
Abstract: 1,089,190. Fluidized conditioning, drying and roasting. WOLVERINE EQUIPMENT CO. Oct. 23, 1964 [Oct. 23, 1963], No. 43391/64. Headings A2D and A2Q. [Also in Division F4] In apparatus for the fluidized treatment, e.g. conditioning, roasting, heating, drying and cooling, -of products in the form of particles, the particles are fed from a hopper 22 provided with a rotating screw conveyer 23, down a sloping plate 24, and, at substantially constant speed, along an unperforated, horizontal trough 12, which is preferably vibrated by mechanism 13, including a device 14 for controlling the frequency and/or amplitude of the vibrations. A housing 15 covers a major portion of the trough. The housing comprises a chamber 17, into which heated gas, e.g. air, is fed, at high speed, by a rotating fan 28, and from which heated gas is directed downwardly, through tubes or nozzles 19, on to and among the particles. The hot gas returns upwardly, between the tubes or nozzles 19, into a chamber 21, from which the gas.passes, through .ports 30, into the atmosphere, or into a closed re-circulating system. Fulidization -of the particles in that part of the trough covered by the housing 15, namely the fluidization zone, is thus achieved. At the uncovered outlet end 40 of the trough, less fluidized and/or unfluidized particles accumulate to form a dam, which holds the fluidized particles in the treatment zone for a desired treatment period, which is independent of the rate of feed of particles into the trough. The housing 15 may also comprise a fan and a chamber, from which cool gas, e.g. air, can be directed downwardly, through pipes or nozzles, into the fluidized heated particles to cool them. The under surface of the end 40 of the trough may be cooled by a stream of cold air, blown through a chamber 44 by a rotating fan 46. A baffle plate pivoting about a horizontal axis, and extending across the outlet end of the trough, or a pair of baffle -plates pivoting about a vertical axis in the centre of the outlet end, may be provided to cause or assist the forming of said dam. Cereal grains, pulverulent cereal products, cocoa beans, coffee beans and nuts such as peanuts, may be conditioned, roasted, dried and cooled, vegetables such as peas and beans may be dehydrated, and plastic particles such as rubber particles may be conditioned, in apparatus according to the invention.
Patent GB-1032092-A (GB)
Title: Improvements relating to coin-freed prepayment meter arrangements
Inventor: RYDER CLIFFORD
IPC: G07F15/00
Filed: 1961-12-05
Abstract: 1,032,092. Coin freed metering apparatus. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Dec. 4, 1962 [Dec. 5, 1961], No. 43508/61. Heading G4V. To remove the load from the measuring unit of a metering apparatus the measuring unit generates electric signals to indicate the consumption of increments of metered quantity, a coin set prepayment differential gear being reset progressively in response to the signals from the measuring unit. As shown in the drawing accompanying the Provisional Specification, a watt-hour meter 3, 4, 5, drives a gear 8 which makes contacts 11 once in each revolution and, by consequent energization of solenoid 24, steps a ratchet wheel 22 controlling the main switch 18 of an electrical supply to a consumer. The wheel 22 is set by a coin unit 12 and fixed charge unit 13, by way of differentials 14, 17, and price-change gearing 15. Instead of the contacts 11 a set of changeover contacts may be employed in conjunction with a similar set controlled by the stepping of the ratchet wheel (see Fig. 1 of the Complete Specification, not shown). Instead of generating D.C. pulses, high frequency pulses may be produced by the watt-hour meter and be transmitted over the power line which may also carry similar signals of characteristic frequencies. The signals may be produced by a vane rotating to vary the coupling in the feedback circuit of an oscillator as described in Specification 1,032,093. As shown in Fig. 4, a tripping device td is set to switch on the supply in response to coin action permitting the rotation of gear g<1> and the biasing of spring rs. Electromagnetic escapement devices ed, ed1, are controlled stepwise by signals from a lighting and a power tariff meter, respectively, and over differential gears d and d1 control the return of tripping device td. One of the escapement devices, or an additional such device, may be controlled by pulses from a time meter. There may be only one escapement device controlled by pulses from an energy or a time meter. The escapement devices are described in Specification 971,516.
Patent GB-1484698-A (GB)
Title: Method and apparatus for manufacturing a nuclear fuel rod
IPC: G21C3/00
Filed: 1974-10-08
Abstract: 1484698 Nuclear fuel rods GENERAL ATOMIC CO 8 Oct 1974 [10 Oct 1973] 43525/74 Heading B5A A nuclear fuel rod is made by partially filling a mould cavity 12 with nuclear fuel particles 51, closing the mould cavity and reducing its volume so that the fuel particles substantially fill the mould cavity, and injecting a fluid solidifiable binder into the mould cavity to fill the interstices between the fuel particles. Hoppers 53 discharge particles 51 to incompletely fill mould cavities 12 which are then sealed by plate 55. Pistons 25 are raised to compress the particles and graphite filled pitch binder is injected through runners 16 and either past the heads 23 of pistons 25 as shown or through passages in the piston heads (Fig. 7, not shown). A vent in plate 57 at the opposite end of the mould to the injection ensures that all spaces between the binder particles are filled before excess binder enters the vent. The moulds are heated and cooled by fluid in chambers 13 and 14. The lubricating effect of the binder allows further compaction by pistons 25 during injection. After injection plate 55 is raised so that stationary ejector pins 69 (Fig. 5, not shown) enter the vent 57 and eject the solidified excess binder (73). Pistons 25 eject the fuel rods.
Patent GB-1074998-A (GB)
Title: Improvements in or relating to permanently gas-tight sealed accumulators
Inventor: CHRISTIAN KARL-HEINZ
IPC: H01M10/34
Filed: 1965-10-14
Abstract: 1,074,998. Batteries. GRUB ENLAMPENWERKE ZWICKAU VEB. Oct. 14, 1965, No. 43549/65. Heading H1B. In a gas-tight acid or alkaline accumulator having no free electrolyte the inner walls of the casing form an auxiliary electrode which is electrically connected to the electrodes of one polarity and is electrolytically connected by an electrolyte impregnated porous material to the electrodes of the opposite polarity. The auxiliary electrode absorbs evolved gas and the porous material is stated to prevent water produced from falling to the bottom of the casing and thus covering the exposed surfaces of the electrodes and preventing them from absorbing gas. The casing itself may be of metal or may be an insulator internally coated with a gas absorbing metal, e.g. sintered nickel, silver, cadmium. The porous material may be fabric or a fleecy type of material. Polyamide fibres are specified for a nickel-cadmium alkaline accumulator.
Patent GB-1079109-A (GB)
Title: Vat dyestuffs and process for their manufacture
IPC: C09B5/24
Filed: 1964-10-26
Abstract: The invention comprises vat dyestuffs of the formula <FORM:1079109/C4-C5/1> wherein A is a substituted or unsubstituted phenylene radical and the anthraquinone nucleus may be substituted by a halogen atom or an alkyl, alkoxy or acylamino group.  The compounds are prepared by condensing a 41,51 - dichloro - or 41,51 - dibromo - 11,81-naphthoylene phenylimidazole, or a substitution product thereof, with an alkali metal phenolate or naphthalate in the presence of an organic solvent, and then with a 1-amino-anthraquinone in the presence of an acid-binding agent and a copper salt, and the intermediate product so obtained is treated in an aqueous alkaline solution with sodium dithionite in the presence of an organic acid amide at 30-120 DEG  C.
Patent GB-1277929-A (GB)
Title: Improvements in or relating to tractor mountable implements
IPC: E02F3/627
Filed: 1969-09-03
Abstract: 1277929 Scoop arm machines V THOMSEN 3 Sept 1969 [10 Sept 1968] 43658/69 Heading E1F A tractor implement mounting comprises a frame 8 having a pair of laterally spaced limbs between which the tractor can be driven and then secured. The frame is pivoted to arms 4 connected to a shovel 2 and has a groundengaging stay leg 14, whereby when the implement is free-standing, the frame can be moved so that the limbs are inclined for easy engagement by the tractor. The tractor has pins 24 for engaging notches 22 on the frame 8 and holes 28 for receiving pins 26 or vice versa. A spring-loaded pin 32 engages a hole 34 to lock the frame in position. Inclined guides 38 facilitate engagement of the tractor.