baber/WOPTO huggingface dataset:
Patent GB-693628-A (GB)
Title: Improvements in or relating to stabilising natural rubber latex
Inventor: NEALE ALBERT EDWARD TONEY
IPC: C08K5/098
Filed: 1950-03-25
Abstract: Natural rubber latex is stabilized by incorporating a salt of a dicarboxylic acid in which one carboxylic acid radical is neutralized by a basic radical of a a microbicidal quaternary ammonium compound having a phenol coefficient (as determined by the Rideal Walker test) greater than 100 and the other carboxylic acid radical is unneutralized or is neutralized by a metal or by a substituted or unsubstituted ammonium radical.  Salts of the above type are described in Specification 685,614 and may be the divalent and trivalent metal salts having the formula:-(QOOC. c6 H4 COO)n M where the groups QOOOC and COO are in the ortho position in the benzene ring, M is the metal of valeney n, n being 2 or 3 and Q is a microbicidal quaternary ammonium radical, which may be of the type:-R1 R2 R3 R4 N- where R1 is an alkyl radical containing 10 to 20 carbon atoms, R2 is an aryl or alkyl radical, and R3 and R4 are alkyl radicals; or where R1 is a radical containing a terminal alkyl-substituted aryl radical and at least two alkylene radicals linked by ether linkages R2 is an aralkyl radical and R3 and R4 are alkyl radicals, or the radicals may be pyridinium radicals containing a N- alkyl group having at least 10 carbon atoms.  Specific examples of these radicals are the p-tertiary-octylphenoxyethoxyethyl dimethyl benzyl ammonium radical, the düsobutylphenoxyethoxyethyl dimethyl benzyl ammonium radical, the dodecyl trimethyl ammonium radical, the hexadecyl trimethyl ammonium radical or the hexadecyl pyridinium radical.  The aluminium, mercuric, iron and cadmium salts are particularly suitable and they may be used in an amount of 0.01 to 1.0 per cent. by weight of the latex.  Specified salts are mercuric hexadecyl trimethyl ammonium phthalate and the mercuric acid p-tertiary-octylphenoxyethoxyethyl dimethyl benzyl ammonium phthalate.  The salt may be fused with benzyl benzoate, and oleic acid added and then the mix emulsified with casein, ammonia and water, and then added to a latex which has been treated with catalase.
Patent GB-742943-A (GB)
Title: Improvements relating to transmission means for operating vehicle brakes
Inventor: RIEKIE COLIN RICHARD
IPC: B60T8/26
Filed: 1953-03-19
Abstract: 742,943. Transmitting-mechanism for brakes. JENSEN MOTORS, Ltd. March 18, 1954 [March 19, 1953], No. 7552/53. Class 103 (1). In a transmission arrangement for operating the front and rear wheel brakes of a vehicle, a balancing member is connected to the front and rear wheel brakes at spaced positions and a sliding connection is provided with an input element connected to the pedal or like operator's control such that as the input force applied increases, an increased proportion of that force is applied to the front wheel brakes. In the embodiment illustrated in Fig. 1, master cylinders 12 and 13 are secured on the forward side of the bulkhead structure provided between the engine compartment and the interior of the body of the vehicle. The master cylinders 12 and 13 are operated by piston-rods 17, 16 respectively to supply hydraulic fluid to the rear wheel brakes via pipe 11 and to the front wheel brakes via pipe 10 respectively. The extremities of the piston-rods 16 and 17 are pivotally secured to the ends of a balancing link 18 which is provided with a slot 25 in which a roller pin 26, secured to one end of a push-rod 19, operates. The other end of the push-rod 19 is pivotally secured to an intermediate lever 23 which is, in turn, pivoted to a fixed part of the vehicle 14 at 24. Also pivoted to the intermediate lever 23 about its mid-point is a link 22 which is pivoted at its other end to a dependent lever 20, pivoted at 21, and carrying at its other end a brake-operating pedal 15. In operation, the roller pin 26 is retained, in the position illustrated, at the upper end of the slot 25 which lies mid-way between the points of pivotal connection of the balancing link 18 with the pistonrods 16, 17, by a spring 27 so that initially approximately equal thrusts are transmitted to the piston-rods 16 and 17. Increasing thrust on the push-rod 19 will drive the roller pin downwardly in the slot against the action of the spring 27 to bring the point of connection nearer to the lower piston-rod 17, thus increasing the proportion of the thrust transmitted to the front brakes compared with that transmitted to the rear brakes. Another embodiment of the invention is described for use with master cylinders which are situated under the floor of the vehicle and the invention may equally be applied to mechanically-operated brakes.
Patent GB-877439-A (GB)
Title: An improved magnetic tape recording and/or reproducing system
IPC: H04N9/82
Filed: 1959-03-04
Abstract: 877,439. Television. AMPEX CORPORATION. March 4, 1959 [March 14, 1958], No. 7594/59. Drawings to Specification. Class 40(3) In a colour television system utilizing the N.T.S.C. type of signal the phase of the local chrominance-sub-carrier generator is controlled at the commencement of each line scanning period by the last cycle of the received (8 cycle) sub-carrier 'burst" frequency. The local subcarrier generator which consists of a feed-back amplifier circuit containing a delay line as the frequency determining element and normally, oscillates at sub-carrier frequency (3À58 mc/s.), is "cut-off" by the leading edge and "turned-on" by the trailing edge of a 0À3 micro-second pulse derived from the positive half-cycle of the last (the eighth) cycle of each colour synchronizing "burst", so that the phase of the generated frequency is corrected at the commencement of each line scan. The invention is described in connection with the reproduction of colour television signals which are recorded on magnetic tape the locally generated sub-carrier frequency being employed to recover the chrominance (I and Q) information which is then modulated on to a new sub-carrier for transmission together with the recovered luminance (Y) information. To compensate for errors due to such causes as vear in the magnetic reproducing equipment and the effects of temperature &c., the delay line employed as the frequency determining element in the local sub-carrier generator is arranged to be temperature responsive and its temperature is controlled by a signal derived by phase comparison of the generated frequency during two successive line scan periods. Specifications 798,927, 798,928, 798,929, 798,930 and 877,446, are referred to.
Patent GB-1138953-A (GB)
Title: Thermionic energy converters
IPC: H01J45/00
Filed: 1966-02-22
Abstract: 1,138,953. Thermionic generators. CSFCOMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. 22 Feb., 1966 [24 Feb., 1965], No. 7622/66. Heading H1D. A thermionic converter comprises an enclosure filled with the vapour of an ionizable substance, e.g. caesium, which contains two diodes whose interelectrode spaces are close together so that ions from one of the diodes, which has short-circuited electrodes and which operates in the ignited mode, i.e. with plasma glow, diffuse into the interelectrode space of the other diode which is operated in a non-ignited mode and whose electrodes provide the output terminals. By this migration of ions the interelectrode ion density and hence the efficiency is improved. The electrodes of the shortcircuited diode may be short-circuited to one of the electrodes of the other diode. As shown, the two diodes may have a common emitter 11 to which is conductively connected the annular auxiliary diode collector 18 which surrounds the main collector 12 and which is spaced from it by an insulating ring 16. A channel 20 in the collector 18 provides a liquid caesium reservoir. In an example which gives interelectrode spacings the emitter 11 was heated to 1500‹ K. while maintaining the collector at 700‹ K. and caesium vapour at 650‹ K. and a plasma glow appeared in the auxiliary interspace 19 while the principal space 13 remained dark. The emitter may be of rhenium and the collectors of molybdenum. In other embodiments the auxiliary collector surrounds the common emitter, Fig. 2 (not shown); and the common emitter may be a cylinder while the auxiliary collector is formed by rings surrounding the cylinder and which are surrounded by the main collector, Fig. 4 (not shown). Alternatively the diodes may have a common collector.
Patent GB-803027-A (GB)
Title: Improvements in or relating to sheet conveying mechanism of printing machines
IPC: B41F21/10
Filed: 1956-03-12
Abstract: 803,027. Sheet-gripiper mechanism. FABER & SCHLEICHER A. G. March 12, 1956 [March 12, 1955], No. 7634/56. Classes 100(1) and 100(2) In sheet-conveying apparatus for conveying sheets in or from a printing-machine, the grippers are mounted on a carrier 3 secured to a chain conveyer and in each set of grippers the upper one 9, Fig. 1, or 34, Fig. 5, has rests in its closed position on an abutment on the carrier 3, and the lower gripper 14 or 24 is movable relatively to the carrier. AS shown in Fig. 1, the gripper shaft 4 is rotatable in bearings in the carrier 3, and is rocked from a fixed cam 50, Fig. 2 (not shown), through a follower roller and arm secured to the shaft. The gripper 9 is free on the shaft 4, has a projection 10 which meets an abutment 11 on the carrier 3 when the gripper is closed, and has a bearing 12 carrying a cross-pin 13 on which the lower gripper 14 is freely pivoted. The gripper 14 is forked, and between the forked limbs is a lever 15 pivoted on the pin 13. A pin 16 on the lower end of the lever engages an open slot in an arm 17 clamped to the shaft 4. The gripper 14 has a rearward extension 19, a screw 21 passes freely through the lever 15 and is screwed into the extension 19, and a compression spring 20 is arranged on the screw between 15 and 19. A second spring 22 is arranged between the two grippers. With the grippers open, when the shaft 4 is rocked counterclockwise, the arm 17 acts on the pin 16 first to pull down the gripper 9 so that the projection 10 meets the abutment 11, and then to compress the spring 20, to cause the gripper 14 to rock clockwise about its pivot 13 to press a sheet 2 firmly against the upper gripper 9. The grippers are to one side of an impression cylinder 1 from which the sheet is to be transferred, and the gripping surface of the gripper 9 lies on the same level as the surface of that cylinder. The screw 21 can be adjusted by inserting a tool through a hole 9a in the gripper 9. In the form shown in Fig. 5, the lower gripper 24 is pivoted on a pin 25 in a bracket in an abutment 27 formed on the carrier 3, and a spring 28, housed in a bore in the abutment, engages the tail of that gripper to urge it to open position against a projection 29. The intermediate lever 15 with its cross-pin 16, screw 21, and spring 20 are as above described. A cam-like member 30 clamped to the shaft 4 acts on the pin 16, and a projection 32 on the cam closes the upper gripper 34 by acting on a spring 31, and opens it by acting on a stop 36. In the closed position, the upper gripper 34 has a projection 33 which meets a seat 35 on the abutment 27.
Patent GB-330565-A (GB)
Title: Process for simultaneously obtaining refined mineral oils and pure bitumen from crude mineral oils
IPC: C10G29/12
Filed: 1929-03-09
Abstract: 330,565. Naamlooze Vennootschap Mijnbouw-en Cultuurmaatschappij Boeton. Oct. 26, 1928, [Convention date]. Pitch.-Refined oil and bitumen, approaching natural bitumen in quality, are obtained by mixing cold or warm crude mineral oil or oils obtained by the dry distillation of asphalt-stone, with a highly concentrated solution of zinc chloride, ferric, chloride, or of both, allowing the oil to separate, and if necessary treating it with alkali. The salt solution is stirred to coagulate the proto-asphalt, which is separated, washed, preferably by kneading under water, may be treated with steam or boiling water, neutralized as by slaked lime, heated to about 150‹ C. or higher according as a softer or harder bitumen is desired, and separated from the carbonaceous sediment. Treatment with the chlorides may be in stages, successively stronger solutions being used. 800 lb. of solid ferric chloride, or a mixture of 600 lb. of ferric chloride and 200 lb. of zinc chloride, in 200 lb. of water is a typical solution. The used solution may be concentrated or otherwise brought up to strength, and reused. Specification 270,274, [Class 91, Oils &c.], is referred to. The Specification as open to inspection under Sect. O1 (3) (a) describes the use of one or more heavy salts, and in addition to the above chlorides specifies basic zinc chloride. This subject-matter does not appear in the Specification as accepted.
Patent GB-1011000-A (GB)
Title: Photographic processes
Inventor: NAM BILLIE
IPC: G03C5/50
Filed: 1963-02-26
Abstract: 1,011,000. Photographic reversal processes; colour developers. ILFORD Ltd. Feb. 12, 1964 [Feb. 26,1963], No. 7764/63. Heading G2C. In a photographic reversal process, the residual silver halide is rendered developable by treatment with an aqueous solution of a stable amine-borane of the formula:- wherein R 1  and R 2  are hydrogens or alkyl, aryl or aralkyl groups R 3  in formula I is an alkyl, aryl, aralkyl or saturated carbocyclic group and in formula II is methylene or polymethylene, or R 1  amd R 2  may together with the nitrogen complete a heterocyclic ring provided that R 3  in formula I is hydrogen. The invention may be used in the reversal development of a colour image in a multilayer material wherein after the black-andwhite development each layer is selectively reexposed and developed in a colour developer containing the appropriate colour coupler. According to the invention, the last re-exposure (e.g. of the green-sensitive middle layer) is omitted and the material is treated with the amine-borane solution. Where the colour couplers are included in the light-sensitive material, the material is treated according to the invention after the black-andwhite development. In either case, the amineborane may be applied as a separate bath before colour development, which bath may include sodium or barium hydroxide, or it may be included in the colour developing solution itself. Amino-boranes specified are the boranes of dimethylamine, trimethylamine, cyclohexylamine, benzylamine, hexamethylene diamine, piperidine and morpholine.
Patent GB-193705-A (GB)
Title: Improvements in ships' anchors
IPC: B63B21/44
Filed: 1922-03-17
Abstract: 193,705. Hingley & Sons, Ltd., N., and Edwards, G. C. March 17, 1922. Anchors.-In anchors of the type in which the shank 4 is trunnioned at 5 between separate flukes 3 which are secured in an orificed head 1 provided with tripping portions 2, the securing means comprise a distance piece 7 placed between the arms 3 and having lateral extensions which rest on the head, a bolt 8 with key 10 passing through the arms and the distance piece.
Patent GB-203993-A (GB)
Title: Process and apparatus for the production of paper and cards in imitation of hand-made paper and cards
IPC: B26F1/44
Filed: 1923-03-19
Abstract: 203,993. Rivage, C., and Lesage, P. March 19, 1923. Rotary-blade type.-Imitation hand-made paper is made by passing the moistened sheets of machine-made paper, placed upon a plate 1, through a rolling mill. The plate has blunt irregular projections 3 with sloping faces 2 which give to the paper under treatment an irregular tapering edge. The plate 1 may be made from a steel plate by etching the recessed parts with acid and finishing off with a milling-tool.
Patent GB-140429-A (GB)
Title: Improvements in or relating to fire-tube furnaces
IPC: F22B37/06
Filed: 1920-03-16
Abstract: 140,429. Meker, G. March 17, 1919, [Convention date]. Gaseous-fuel furnaces; baffles.-In fire-tubes b, Fig. 1, having burner nozzles a at the ends, guards or baffles d of arcuate or circular shape in crosssection extend from the nozzles a suitable distance along the tubes. The tubes b communicate with a flue c leading to the chimney. The guard or baffle d, which distributes the heat and prevents the flame from coming immediately into contact with the upper portion of the tube b, may be arched, as shown in Fig. 2, or it may be circular and arranged eccentrically or concentrically within the tube b.
Patent GB-368074-A (GB)
Title: Improvements in or relating to acetylene generators
IPC: C10H5/00
Filed: 1931-03-13
Abstract: A compressed-acetylene generator having a sliding tray or drawer b for the carbide is provided, outside the compressed-acetylene container a and the counter-pressure chamber c, with a regulating container f of relatively small cross section, the container f being connected by a pipe d to the water space of the container a, and by a pipe e of smaller diameter to the gas space of the container a. Water is supplied to the carbide through a one-way valve j and a pipe i, and the gas passes through a pipe g and one-way valve h into the container f, and thence through a float valve s and purifier P to the outlet pipe l.  In operation, closure of the pipe l causes depression of the water in the container f and stops the supply of water to the carbide, the water in the container f being rapidly depressed owing to the relatively small diameter of the pipe e.  The float valve s prevents the suction of water into the purifier <PICT:0368074/IV/1> <PICT:0368074/IV/2> P, in case of exhaustion of the gas supply. Between the purifier P and the outlet pipe l a further safety device is provided comprising a container n connected by a pipe o to a water seal p, the latter having a non-return valve q at the bottom and a rupturable diaphragm r at the top.  The pipe m, through which the gas passes from the purifier P, carries a float valve t adapted to close the pipe if water from the seal p is forced back into the container n.  The counterpressure chamber c may be separate from the container a, and both the containers a and c may have horizontal longitudinal axes.
Patent GB-1035932-A (GB)
Title: Improvements in machines for producing wire strand reinforced fabrics
Inventor: WATERS SIDNEY HORACE
IPC: B21F17/00
Filed: 1962-02-28
Abstract: 1, 035, 932. Sewing machines, reinforcing fabrics. PULLMAN SPRING FILLED CO. Ltd. Feb. 28, 1963 [Feb. 28, 1962], No. 7881/62. Headings D1G and D1K. In a machine for reinforcing fabric by inserting therein spaced transverse rows of running stitches formed from wire, a pair of horizontal dies is provided with complementary wire-guiding parts separated by shallow valleys, the valleys of one die being opposed to the wire-guiding parts of the other die, and the arrangement being such that when one die is brought into mating relationship with the other, upwardly-facing channels in one die align at their ends with the ends of downwardlyfacing channels in the other die to provide a passageway for the wire, the passageway being interrupted at intervals to accommodate the thickness of the fabrics when it passes from one shallow valley to another. The fabric passes between a pair of dies 6 and 7 which are initially circular in cross section and which are machined along parallel chords to form shallow valleys 9 separated by crests 8 grooved axially at 10. The lower die 7 is moved towards the upper die 6 to corrugate the fabric transversely, and to align the grooves 10 to provide a channel for receiving the endwise-fed reinforcing wire 11. The dies may be formed from short abutted sections held in U-shaped clamps. Each wire 1<SP>1</SP> is secured at its respective ends to a longitudinal side cord 5 which is fed through an axial bore in a cylindrical member 12 formed with a step 13 across which the wire 11 extends when being threaded between the dies. After the wire has been severed, rotation of the members 12 through over 180 degrees causes the steps 13 to twist the wire ends about the cords 5. The edge of a step 13 may act as a cutter in co-operation with a fixed shearing member.
Patent GB-791100-A (GB)
Title: Uranium fluoride separation of plutonium and fission products from irradiated uranium
IPC: C01G43/06
Filed: 1956-03-14
Abstract: Plutonium and fission products are separated from neutron-irradiated uranium by adding uranium tetrafluoride and/or trifluoride, heating in an inert atmosphere at 1135-1350 DEG  C. to melt the uranium, and separating the salt phase containing fluorides of plutonium and fission products, for example by heating under vacuum to at least 1300 DEG  C. to distil off the salt phase or by cooling to room temperature to solidify the product in layers.  The separated salt phase may be heated under vacuum to 600-1000 DEG  C. to distil off uranium tetrafluoride for re-use.
Patent GB-805705-A (GB)
Title: Tubular shock absorbers
Inventor: VADIER FERNAND MARIE
IPC: F16F9/42
Filed: 1956-03-14
Abstract: 805,705. Hydraulic and friction type shock absorbers. ETABLISSEMENTS REPUSSEAU & CIE S.A., DES. March 14, 1956, No. 8037/56. Class 108(3) In a tubular shock absorber of the kind comprising an outer tubular emember 7, an inner relatively movable member 6 and a surrounding protecting tube 5, open at one end and connected at the other end to the member 6, a conduit 13 is connected to an external source of fluid pressure and communicates with the interior of the tube 5. The invention is applicable to both hydraulic and friction-type shock absorbers. As shown in Fig. 1, the member 6 is a piston rod and carries a head 4 formed with an eye 1 which serves as a housing for a rubber bush type joint 3 forming a connection to a sprung vehicle part. The housing 1 is formed with an annular crosssection cavity 17 connected by the conduit 13 to a source of compressed air. The cavity 17 is also connected by ports 18 and venturi nozzles 19 with the interior of the tube 5. The outer surface of the member 7 is formed with heat-dissipating ribs 20. Air is thus caused to pass 'from a reservoir or pump on the vehicle via the conduit 13 and cavity 17, to the interior of the tube 5, and over the outer surface and ribs 20 of the member 7 to the lower end of the tube 5. In a modification, Fig. 4 (not shown), the ports 18 lead directly to external tubular connections coupled to the source of compressed air. In the modification shown in Fig. 6, the rubber bush joint 3 is pivotally mounted on a pin 2a rigid with lugs 26, 26, carried by a ring-shaped member 27. A rubber ring 33 forming a seal with the outer surface of the tube 5, is gripped between the member 27 and a ring-shaped member 29 rigid with the sprung part of the vehicle. A rubber domeshaped member 31 is held by a band 30a in sealing relation with the periphery of the member 27, and is connected at 32 with a source of compressed air. The latter passes from the member 31 through ports 35, 35, into the interior of the tube 5. The air supply may pulsate.
Patent GB-1020876-A (GB)
Title: Fuel cell batteries
IPC: H01M8/24
Filed: 1963-02-28
Abstract: 1,020,876. Fuel cells. UNITED AIRCRAFT CORPORATION. Feb. 28,1963 [Feb. 28, 1962], No. 8044/63. Heading H1B. Heat loss from a stack of fuel cells 4 mounted on a base-plate 26 secured to the inner wall 36 of a double-walled container 34 filled with insulation 42 is minimized by circulating the fuel or oxidant through an annular passage 60 formed in a flange 58 below the base-plate before it enters the fuel cells by way of a standpipe 68. The fuel or oxidant picks up heat transferred along sleeve 44 and returns it to the fuel cells. A closure cap 50 is secured below the annular passage 60. Pressure is applied to the seals of the fuel cells by a ring of tie bolts 32 extending between base plate 26 and a clamping plate 28.