baber/WOPTO huggingface dataset:
Patent GB-1400381-A (GB)
Title: Proportional servo actuators
IPC: F15B9/08
Filed: 1973-09-10
Abstract: 1400381 Fluid-pressure servomotor systems APPLIED POWER Inc 10 Sept 1973 [11 Sept 1972 11 June 1973] 42385/73 HeadingG3P In a fluid-pressure servomotor system, a differential ram 70 has fluid-pressure constantly applied to its smaller face 120 while a servovalve 50 applies or relieves fluid-pressure on the larger face 122, a feedback connection being provided between the ram and the valve. The valve spool 50 is adjusted by a solenoid adjustably connected to the housing 11 and energized from a battory 34 through a rheostat 29 and switches 43, 44 to determine the direction and extent of displacement of the spool which connects a space 111 either to a supply duct 15 or a drain duct 16. The movement of the ram causes cam surfaces 103, 125 and a follower 59 to displace a sleeve 51  surrounding the spool until the servovalve is again closed and the ram has been moved by an amount corresponding to the input signal. In the event of electrical failure a handle 65 allows the servo sleeve to be. directly operated. In a second embodiment, the servovalve (250), Fig. 9 (not shown) is arranged transversely to the ram (270) which abuts a spool valve (310) controlling a piston and cylinder (340). In this embodiment, a handle (145), Fig. 8 or (140), Fig. 7 (not shown) may be connected directly or by a lever to the armature of the solenoid and the valve spool to permit manual operation.
Patent GB-967627-A (GB)
Title: Thiophosphonic acid derivatives and compositions containing them
IPC: C07F9/38
Filed: 1960-12-12
Abstract: The invention comprises compounds of formula: <FORM:0967627/C1/1> where R is an alkylene or cycloalkylene radical having at least 2 carbon atoms, Y is -CXXR1, -XR3, -N(R3)2 or halogen and is an omega substituent except where R is cycloalkylene with no alkyl substituent on the ring, the R1's are hydrogen, hydrocarbyl or metallic or non-metallic cationic groups and may be the same or different, R2 is hydrogen or C1-4 alkyl, the R3's are hydrogen, alkyl or cycloalkyl and may be the same or different, and the X's are oxygen or sulphur and may be the same or different. They are prepared by reacting a mercaptan YRSH or the corresponding mercaptide with a compound <FORM:0967627/C1/2> in an inert solvent at reflux temperature. In one example Y =OH is converted to Y =Cl with thionyl chloride.  The products are used as lubricant and fuel additives.ALSO:Synthetic lubricant compositions based on alkylene glycol-alkylene oxide copolymers, e.g. copolymers of ethylene and 1,2-propylene oxides contain an organophosphorus compound of formula: <FORM:0967627/C3/1> where R is a hydrocarbon radical having at least 2 carbon atoms, Y is -CXXR1, -XR3, -N(R3)2 or halogen and is an omega substituent except where R is an arylene or cycloalkylene group with no alkyl group on the ring, the R1's are hydrogen, hydrocarbyl or metallic or non-metallic cationic radicals and may be the same or different, R2 is hydrogen or C1- 4 alkyl, the R3's are hydrogen, alkyl or cycloalkyl and may be the same or different and the X's are oxygen or sulphur and may be the same or different. Composition G uses the compound: <FORM:0967627/C3/2>ALSO:Lubricant and fuel compositions comprise an organophosphorus compound of formula <FORM:0967627/C4-C5/1> where R is a hydrocarbon radical having at least 2 carbon atoms, Y is -CXXR1, -XR3, -N(R3)2 or halogen and is an omega substituent except where R is an arylene or cycloalkylene group with no alkyl group on the ring, the R1's are hydrogen, hydrocarbyl or metallic or non-metallic cationic radicals and may be the same or different, R2 is hydrogen or C1-4 alkyl, the R3's are hydrogen, alkyl or cycloalkyl and may be the same or different and the X's are oxygen or sulphur and may be the same or different.  The phosphorus compound may be present as about 0.1 to about 25% of the total weight. Suitable lubricants include mineral and synthetic oils including polymerized olefines, alkylated aromatics, isomerized waxes, alkylene oxide-alkylene glycol copolymers, aliphatic dicarboxylic acid esters. Mineral oils may be blended with fixed oils and/or synthetic oils or silicone polymers.  Other additives which may be present include silicone antifoaming agents, alkylphenols, e.g. bisphenols, polyacrylate esters, and long-chain fatty acids.  Suitable fuels include gasoline, which may contain tetraethyl lead, kerosene, gas oil and fuel oil.
Patent GB-1458136-A (GB)
Title: Quick hardening cement asphalt composition
IPC: C08L67/00
Filed: 1974-10-02
Abstract: 1458136 Cement asphalt composition JAPANESE NATIONAL RAILWAYS DENKI KAGAKU KOGYO KK and TOA DORO KOGYO CO Ltd 2 Oct 1974 [4 Oct 1973] 42697/74 Heading C1H [Also in Division C3] A quick hardening cement asphalt composition for use as a grout for a ballast filled track structure comprises: (a) 100 parts by weight of a cement composition prepared by adding to Portland cement, in amounts based on the Portland cement, 10-50% by weight of a mixture of a calcium aluminate, not being or containing crystalline 11CaO.7Al 2 O 2 .CaF 2 , and calcium sulphate in a weight ratio of 1 : 0À3- 1:3; 0À05-10% by weight of an inorganic salt, and 0À05-3% by weight of at least one of a carboxylic acid, a hydroxycarboxylic acid and a salt thereof, and (b) 30-400 parts by weight of an asphalt emulsion containing 0À2-8% by weight of a polyoxyethylene alkyl phenyl ether, a polyoxyethylene alkyl ether, a polyoxyethylene alkyl ester, a sorbitan alkyl ester, a polyoxyethylene sorbitan alkyl ester and/or a sucrose fatty acid non-ionic emulsifier, and 0À05-2% by weight of a multivalent metal chloride, calculated as the metal ion. The calcium aluminate material may be amorphous 3CaO.Al 2 O 2 , amorphous CaO.Al 2 O 3 , amorphous 12CaO. 7Al 2 O 3 , amorphous or amorphous 3CaO.3Al 2 O 3 .CaF 2 . Numerous examples of inorganic salt are specified but sodium carbonate, potassium carbonate, sodium bicarbonate and potassium bicarbonate are preferred. Preferred acids or the salts thereof are citric acid, sodium citrate, potassium citrate, calcium citrate, tartaric acid, sodium tartrate, potassium tartrate and calcium tartrate. The non-ionic emulsifier preferably has the Formula (I), wherein R 1  is alkyl (O 6-18 ) and n is 10-80 or the formula R 2 O(CH 2 CH 2 O) n2 H wherein R 2  is alkyl (C 8-22 ) and n 2  is 8-20. The multivalent metal chloride is preferably AlCl 3 , FeCl 2 . FeCl 3 , CaCl 2 , ZnCl 2 , SnCl 2 , SnCl 4 , BaCl 2  or MgCl 2 . It is preferred that the asphalt has a penetration of 40-300 and that the asphalt emulsion contains 50-65% by weight asphalt.
Patent GB-1096981-A (GB)
Title: Improved dish washing machine
IPC: A47L15/06
Filed: 1963-11-01
Abstract: 1,096,981. Dishwashing apparatus. L. J. SCHAVEREIN. Nov. 2, 1964 [Nov. 1, 1963], No. 43178/63. Heading A4F. [Also in Division D1] Within a domestic sink I is provided a rotary impeller 3 for agitating water for washing clothes or crockery, and at least one spray nozzle 15 for rinsing washed crockery. The dishwashing apparatus may be electrically controlled to perform a washing and rinsing cycle in which firstly a solenoid controlled drain valve 11 is closed and water is introduced into the sink through a solenoid controlled cascade inlet 14, until this is closed by a level control device 18. An electric heater 10 beneath the drain outlet 2 is then energized to heat the water in the sink, until it is de-energized by a thermostat, when the motor 5 driving the impeller 3 is started to initiate the washing operation. At the end of the washing period the motor 5 is stopped, the drain valve 11 is opened and rinsing water introduced' through the spray nozzle 15. Means may be provided for adding a detergent for the washing operation, and an electric heater may be provided for the rinsing water.
Patent GB-972289-A (GB)
Title: A method of and apparatus for producing a ribbon of thermoplastic material
IPC: C03B17/06
Filed: 1960-12-15
Abstract: <PICT:0972289/C1/1> In the production of a ribbon of glass, a mass 4 of molten glass is supported on the surface of a bath 5 of a substance which is inert to the molten glass and has a higher specific gravity, at least part of the surface of the bath 5 being maintained at a temperature such that the molten glass contacting it will congeal to form a film 6, the film 6 being withdrawn from the mass 4 of glass at a rate permitting congelation thereon of further glass from the mass 4 covering the film 6 to produce a ribbon 8 of glass of the desired thickness.  The bath 5 may be of a molten salt or metal, the metal being of tin, lead or aluminium or an alloy thereof.  In the particular example, molten glass at about 1200 DEG C. is fed from a furnace 1 over a weir 3 to form a mass 4 supported on the bath 5 of molten tin at about 450 DEG  to 500 DEG  C. The resultant film 6, with deposited glass forming the layer 8, is moved upwardly by a continuously rotating roller 7 of steel, cast iron or graphite. Initially, the movement over the roller may be assisted by lowering into the film a metal trellis or grid and drawing up the film 6 therewith. The bath 5 is enclosed in a vessel 14 of metal and heating elements are provided along the side walls to prevent sticking thereto of the film 6.  Blocks 15, 15a and screens 16 of refractory material are secured in the vessel and the metal bath 5 circulates freely between the blocks and may also circulate within the roller 7 to maintain the temperature even.  The vessel 14 may have coolers to prevent excessive heating of the bath 5 from the mass of glass 4, or the metal may be circulated outside the vessel and cooled in a heat-exchanger.  In addition to the screens 16 for preventing oxidation of the bath 5, a burner 17 may give a reducing atmosphere. The upper surface of the layer 8 is said to be fire polished by the heat of the glass mass thereover.  The glass ribbon passes out of the furnace and over rollers 12, 20, 20a which are of graphite and partially immersed in water, the water layer on the rollers being vaporized so that a film of vapour is produced between the rollers and the ribbon of glass and the polished surface is preserved.  Burners 21 and 21a are used below the ribbon to assist in equalizing the temperature of the ribbon. The glass may be drawn upwardly from a footing formed at a strongly cooled zone of the surface of the bath 5.
Patent GB-1195146-A (GB)
Title: Rotary, Fluid Operated, Axial Plunger Pump.
Inventor: COBERLY CLARENCE JAMES
IPC: F01B3/06
Filed: 1968-09-12
Abstract: 1,195,146. Rotary fluid operated pump. KOBE Inc. Sept. 12, 1968, No.43527/68. Heading F1A. A rotary fluid operated pump comprises a housing 22 with a rotor chamber 24 having an intake 26 and exhaust 28 for the working fluid and an inlet 30 and outlet 32 for the fluid being pumped; a sectional rotor 42 provided with engine and pump cylinders 50, 52 and pistons 54, 56; piston connecting means 58; cam means 68; and engine and pump valve means 74, 76. The rotor 42 includes engine end, pump end, and central sections 44, 46, 48, disengageably coupled together by dog or jaw clutches (118) (120) Fig. 6 (not shown) and bolts (138) (148) are used for securing the various parts of the engine and pump sections together. The end walls of the central rotor section 48 are provided with coil springs (150) Fig. 6 to provide a sealing engagement between end valve plates (132) (144) and the rotor chamber 24 and which may be supplemented by fluid-pressure acting on the engine and pump sections 44, 46 which is transmitted through valves (152) (154) (164) (166) Fig. 5 (not shown) into axial bores (106) (108) Fig. 6 into chambers (160) and (162) thus applying fluid pressure to the inner ends of the respective engine and pump sections 44, 46. The piston rods 60, 62 are provided with lubricating passages (192) (194) Fig. 13 (not shown). The cam means 68 mounted on each coupling 64 comprises a cam follower 72 which may alternatively comprise a roller and which moves in a cam groove 70 in a fixed spindle 40 for rotating the rotor 42. The pump may be used in a well, particularly an oil well, as a bottom hole pump, as a surface pump or a fluid pressure transformer.
Patent GB-1477026-A (GB)
Title: Dc voltage transmission in high-voltage dc transmission networks
IPC: H02M7/757
Filed: 1974-10-08
Abstract: 1477026 HVDC power transmission BROWN BOVERI & CIE AG 8 Oct 1974 [10 Oct 1973] 43564/74 Heading H2F In a HVDC station for connecting two balanced D.C. lines 1, 2; 25, 26 the higher voltage line 1, 2 is bridged by a series arrangement of inverter bridges and rectifier bridges 29 ... 31 having an earthed centre point, each bridge being coupled to a three-phase network 38, the lower voltage lines 25, 26 being connected to intermediate points on said series chain. If the power is to be transmitted from the high voltage line 1, 2 to the lower voltage line 25, 26 then converters 28, 31 (which may be groups of bridges) must act as rectifiers and 29, 30 as inverters. The function of the bridges 28 ... 31 must be transposed in order to reverse the direction of energy transmission. In Fig. 2 (not shown) the tapped inductors 36, 37 are replaced by untapped inductors connected at the upper and lower ends of the series chain. Reversing switches may be provided for the bridges 28 ... 31. The inverters may obtain reactive power from the A.C. network 38 or from synchronous or static capacitors.
Patent GB-1088208-A (GB)
Title: Epoxy compounds and their use in paper sizing
IPC: D21H17/38
Filed: 1964-10-27
Abstract: A polymeric epoxy alkyl ammonium salt contains randomly occurring units of the structure <FORM:1088208/C3/1> where R and R1 are hydrogen atoms, C1-4 alkyl or C7-10 aralkyl groups, A is Cl, Br or I, R is a C2-20 alkylene group, t is 1-40 and x and y are numbers greater than O.  The polymer may contain units of structure <FORM:1088208/C3/2> where R, R1, A, R11 and t are as before, R111 is a C1-3 alkyl or mono- or di-hydroxy alkanol group or a C7-10 aralkyl group, x, y, z and s are whole numbers with s being 0-75% of the sum of y, z and s; y being at least 10% of this sum and the ratio of this sum to x being at least 1:1. The polymer may also contain units of the structure <FORM:1088208/C3/3> where R, R1, A, R11, t, x and y are as before an Y is Cl, Br or I.  One or more of the above R, R1 and R11 may contain substituent groups such that they are less reactive with the anhydride group of an a -olefine/maleic anhydride copolymer than the primary amino group of the amine <FORM:1088208/C3/4> and that they are not alpha to the nitrogen atoms.  In Examples (1) 1-octadecene was copolymerized with maleic anhydride in butyl acetate using di-tert. butyl peroxide as catalyst and the copolymer was reacted with N,N-dimethyl - 1,3 - propane diamine or aminoethylaminoethanol to yield the polymeric imide which was then reacted with epichlorohydrin; 1-octadecene was replaced by a mixture of C14-18 alpha-olefines and 1-octene respectively, the treated polymers were then reacted either with an acid, e.g. HCl, or a base, e.g. sodium hydroxide.ALSO:Paper is sized by applying to the paper or to the paper making fibres in the course of manufacture of the paper a polymeric epoxy alkyl ammonium salt containing randomly occurring units of the structure.  <FORM:1088208/D1-D2/1> where R and R\sv are hydrogen atoms, C1-4 alkyl or C7-10 aralkyl groups, A is Cl, Br or I, R is a C2-20 alkylene group, t is 1-40 and x and y are members greater than O: the polymer may contain units of structure <FORM:1088208/D1-D2/2> where R, R\sv A, R\yF and t are as before, R\yG is a C1-3 alkyl or mono- or dihydroxy alkanol group, or a C7-10 aralkyl group, x, y, z and s are whole numbers with s being 0-75% of the sum of y, z and s; y being at least 10% of this sum and the ratio of this sum to x being at least 1:1.  A sized, water-laid, cellulosic web may be prepared by forming a dilute aq. slurry of paper making cellulosic fibres, dissolving the above polymer in an aq. medium, adding alkali to this solution until its pH is 9-11, adding the solution to the slurry, acidifying the mixture to a pH of 5-8 and sheeting the fibres to form a web.
Patent GB-977672-A (GB)
Title: Liquid supply control means for maintaining a predetermined liquid level in a tank
IPC: G05D9/02
Filed: 1962-11-21
Abstract: 977,672. Hot-water boilers. JOHN WHITEHOUSE & SONS Ltd., and R. J. WHITEHOUSE. Nov. 19, 1963 [Nov. 21, 1962], No. 43987/62. Heading F4A. [Also in Divisions G1 and G3] A hot water boiler comprises a hot water cylinder 12 heated by a coil 15 having inlet and outlet pipes 16, 17, which are also connected to an expansion or vent pipe 18 and a downpipe 19 from an expansion tank 14. A cold water tank 13 supplies the cylinder 12 and also supplies the expansion tank under the control of a liquid level device 20 (see Division G1).
Patent GB-871679-A (GB)
Title: Set of plates carrying rollers for facilitating the displacement of heavy loads
IPC: B62B5/00
Filed: 1959-12-30
Abstract: 871,679. Skids for moving loads. BARTHELEMY, H. Dec. 30, 1959 [Jan. 5, 1959], No. 44290/59. Addition to 803,880. Class 78 (2). The skid for placing under the corner of furniture, described in the parent Specification, is modified by the suspension springs 10 being guided by recesses 9a placed within the marginal rim 7. As shown, the springs 10 are coaxial with a member 9 slidable in the recess 9a and which carries a respective roller 2. Supplementary rollers (shown in dot-dash lines) engage the ground when a predetermined load is borne by the skid. In a modification (Figs. 1-3, not shown) all the rollers are carried on a common member the movement of which is guided by pins carried by the rim 7 midway between rollers 2. The springs 10 may be replaced by laminated springs and the rollers 2 may be connected to the skid by means of cranks. The flooring part 1 may be of wood, cast metal, pressed or welded sheet-metal or of plastics. The rollers 2 may or may not be rubber-covered.
Patent GB-1369904-A (GB)
Title: Electrostatic copoying apparatus
IPC: G03G15/00
Filed: 1971-09-22
Abstract: 1369904 Feeding and delivering sheets AGFAGEVAERT AG 22 Sept 1971 [22 Sept 1970] 44296/71 Heading B8R [Also in Division G2] Copy sheets 10 after receiving developed electrostatic latent images from a drum 1 are fed out of the copier past a misfeed detector 23 and fixing unit 15; the detector being periodically rendered operable at times when no sheet should be detected thereby and being arranged to give a shut-down signal if a sheet is detected. As shown, the detector comprises a photo-cell 23 rendered operable each time an original support carriage 7 trips a switch 41. If a sheet is detected the fixing unit, main drive motor and exposure lamp are switched off, but a cooling fan stays on. Preferably photo-cell 23 is also rendered operable by a switch 40 at times when paper should be present. If no paper is detected the copy cycle is completed and the machine switched off. Thus a required number of copies can be made merely by placing that number of copy sheets 10 in the supply tray. Original carriage 7 and a copy sheet stripper 9 are attached to cords 8, 9a which are magnetically coupled to the drum 1 to move the carriage and stripper forwards; the couplings then being released so that springs 21 and 9b can return the carriage and stripper.
Patent GB-1400059-A (GB)
Title: Supercharged internal combustion piston engine
IPC: F02B37/00
Filed: 1972-09-27
Abstract: 1400059 Supercharging I C engines AUTOIPARI KUTATO INTEZET and CSEPEL AUTOGYAR 27 Sept 1972 [28 Sept 1971] 44535/72 Heading FIB An induction system between the exhaust gas driven supercharger 16 and the inlets of a plurality of cylinders 1 is arranged to provide dynamic charging due to pressure oscillations in the system. Cylinders having induction periods which do not substantially overlap, i.e. a maximum of four cylinders are connected to a common resonance vessel 9, 10 having a volume greater than one half but less than ten times the capacity of a cylinder 1 and the vessels 9 and 10 are connected to a common manifold by pipes 11 and 12 having a length in metres which does not exceed 1500 divided by the rated r.p.m. of the engine. Each pipe 11, 12 has a length which is greater than eight times the inner diameter of a circular pipe or the diameter of a circle having the same crosssectional area as a pipe of non-circular section. The dynamic charging occurs below the rated engine r.p.m. and at the rated r.p.m. only the supercharger 16 provides supercharging. A plurality of superchargers may be provided.
Patent GB-1469199-A (GB)
Title: Electron beam amplifier tube with mismatched circuit sever
IPC: H01J23/24
Filed: 1975-10-29
Abstract: 1469199 Travelling-wave tubes VARIAN ASSOCIATES 29 Oct 1975 [4 Nov 1974] 44612/75 Heading H1D The efficiency of an electron beam amplifier tube having an isolated slow-wave structure output section, e.g. a severed travelling-wave tube or a hybrid tube, is increased by reflecting towards the output a substantial portion of the wave energy flowing on the slow-wave structure towards its upstream end. The output section of a hybrid tube shown in Fig. 2 consists of a clover-leaf slow-wave structure 40, impedance matched at its output end via an iris 44 to an output waveguide 45 (and Fig. 1, not shown), the upstream end cavity 60 being coupled to a waveguide 62 having a matched load termination 64 and a capacitive iris 63 the height and position of which determine the amplitude and phase of the wave reflected towards the output of the tube. Alternatively, the waveguide 62 may be short-circuited at its termination (65, Fig. 4, not shown), an attenuator (66) being mounted, if required, in the end cavity 60 of the slow-wave structure. In a further arrangement (Fig. 5, not shown), the waveguide 62 is terminated in a matched load, the amplitude of the reflected wave being determined by the iris coupling (61<SP>1</SP>) between the final cavity 60 and the waveguide, and the phase being determined by choosing the geometrical dimensions of cavity 60 to give a resonant frequency different from that of the other cavities. In a further arrangement (Fig. 6, not shown), both the amplitude and phase of the reflected wave is determined by the geometry of the final cavity 60, the waveguide 62 being dispensed with. Fig. 7 shows a crossed-fleld amplifier having a slow-wave severed at 78, the final section 77 being provided at its upstream end with waveguide section 82 incorporating wave reflecting obstacle 83 and matched load 84.
Patent GB-892760-A (GB)
Title: New sulphonamide derivatives
Filed: 1960-12-29
Abstract: The invention comprises compounds of the formula <FORM:0892760/IV (b)/1> wherein X is hydrogen, C1-4 alkyl or alkenyl, or a phenyl or hydroxyl group, n is 0, 1, 2 or 3 and Y is hydrogen or a radical -(CH2)n-X or X and Y are members of a common ring system, and their preparation by reacting 3-sulphamoyl-4-chloro-benzenesulphonyl chloride with an amine Y.NH.(CH2)n.X in the presence of an acid-binding agent such as an excess of the amine reactant, a primary or secondary amine, a tertiary oragnic base or an alkali-metal hydroxide, carbonate or bicarbonate, preferably in the presence of water or an organic solvent or diluent.  Specified products include 3-sulphamoyl-4-chloro-benzenesulphonic acid N-methyl-, ethyl-, isopropyl-, allyl-, isobutyl-, hydroxyethyl-, and benzylamide and the N : N-di-methyl-, ethyl-, hydroxyethyl-, allyl-, isopropyl-, n-propyl-, n-butyl-and isobutylamides.