baber/WOPTO huggingface dataset:
Patent GB-951374-A (GB)
Title: Improvements in driving means
IPC: B65G23/00
Filed: 1962-12-14
Abstract: At least two interengaging elongated screw conveyers 2 in an inclined diffusion trough 1 for leaching sugar-beet chips in a sugar refinery are driven synchronously by two electric motors 12 for each conveyer 2, one at each end, and the conveyers are positively inter-connected by gears 21 in the transmission from the motors. The motors are adjusted to supply equal torques at equal speeds.  Each motor is connected by chain or cone belt transmission to the primary shaft 13 of a multi-stage gear box 14 whose secondary shaft 15 is elastically coupled at 16 to the primary shaft 17 of a common gear box 18 containing the gears 21. Universal gear couplings 23 are provided in the transmission between the gears 21 and the conveyer shafts 6. <PICT:0951374/C3/1> <PICT:0951374/C3/2>
Patent GB-1115978-A (GB)
Title: Methods and means for controlling internal furnace pressures
IPC: C03B5/24
Filed: 1966-10-24
Abstract: 1,115,978. Controlling furnace pressure. OWENS - CORNING FIBERGLAS CORPORATION. 24 Oct., 1966 [12 Nov., 1965], No. 47545/66. Heading F4B. The pressure at the surface of the melt in a glass furnace is maintained constant by controlling the volume of air blown down the top of the stack 22 from nozzles 43'in accordance with the pressure measured by a device 31 in the furnace roof. A second pressure-sensitive device 32 at the same level compensates for variation in ambient pressure, and the nozzles 43 are so mounted on a ring main 42 supported independently of the stack that their operation is unaffected by the thermal expansion of the stack.
Patent GB-1321249-A (GB)
Title: Apparatus for measuring element content in hydro-carbon compounds
IPC: G01N23/12
Filed: 1970-10-07
Abstract: 1321249 Photo-electric element analysis YOKOGAWA ELECTRIC WORKS Ltd 7 Oct 1970 [8 Oct 1969 9 Oct 1969 (2)] 47625/70 Heading G1A The concentration of a high atomic number element contained in a sample of a hydrocarbon compound is measured by determining the transmissivity of the sample to the fluorescent X-rays derived from the bombardment of a target 9 by the radiation from a radio-active source 8. The apparatus shown - Fig. 5- monitors the concentration of sulphur in petroleum oil flowing through a measuring chamber 10, but the element chosen may be any one that has a higher mass absorption co-efficient than both carbon and hydrogen. The X-ray wavelength is in the range 23-24À5 KeV, which is produced by bombarding a target of Ag, Sn, In or Cd with the radiation from <SP>241</SP> Am. To select a particular mean wavelength, the target is made of more than one of the above elements, e.g. in sectored form Fig. 2, (not shown), and may be provided with a suitable mask. The output from a scintillation detector or ionisation chamber 11 has to be corrected for variations in density and temperature of the flowing petroleum. The density of the liquid is measured at 15 by a density detector, e.g. of the vibration type, whose output is supplied to a density converter 21. Temperatures are measured by resistance thermometers 17, 18. Reference values of temperature and density are set on bridge 19 and density converter 21 respectively. The voltage output ep1 from this converter represents the difference between the measured density and the reference density at the reference temperature, and is converted to a current signal at 22. One output ep3 from converter 22 is supplied to a potentiometer 24 on which is set a selected reference sulphur concentration. The output from amplifier 12 is hence an exponential concentration signal corrected for density and temperature fluctuations. This signal is integrated at 29 and linearized at 30 before being compared with the reference density signal ep2 in divider 31. The output from the divider 31 is displayed on a meter.
Patent GB-1132863-A (GB)
Title: Snap-action electric switch
IPC: H01H13/36
Filed: 1965-11-10
Abstract: 1,132,863. Retractive switches. ALEX NEHER AG. METALLWAREN & WERKZEUGFABRIK. 10 Nov., 1965 [25 Nov., 1964], No. 47650/65. Heading H1N. A snap-action switch comprises a contact blade 3 connected to one end of a leaf spring 9 having a bowed portion joined to a straight portion forming a chord to the bowed portion. A lever 10 acted on by a push-button 8 is connected to the other end of the spring 9. Modifications are described in which the lever presses on the chord, the said other end of spring 9 being connected to a fixed point, and the button may be connected to the lever on a second spring of similar form. The first and second springs may be formed of two parts hinged together.
Patent GB-952436-A (GB)
Title: Improvements in and relating to piles
IPC: E02D5/52
Filed: 1962-12-19
Abstract: 952,436. Sectional piles. B. BRYNILDSEN, and R. BRYNILDSEN, [trading as B. BRYNILDSENS SOENNER]. Dec. 19, 1962 [Dec. 23, 1961], No. 48039/62. Heading E1H. A concrete pile section has in each end a centrally located internally threaded member (nuts 3, 4, 10) secured to reinforcement (rods 1, 2, 11, 12) extending substantially the length of the section and arranged to receive a mating externally threaded member (bolt 9) whereby sections may be connected together.
Patent GB-1299629-A (GB)
Title: Fluid operated vehicle brake assemblies
Inventor: ALTMEPPEN J
IPC: B60T13/14
Filed: 1970-10-09
Abstract: 1299629 Fluid pressure brakes WESTING- HOUSE BREMSEN-UND APPARATEBAU GmbH 9 Oct 1970 [3 Nov 1969] 48140/70 Heading F2F An hydraulic brake assembly with a reservoir 3 charged by a pump 1 includes a driver valve assembly 5 comprising two throttles 6, 7 connected in series of which throttle 6 is formed by a piston 8 with an annular recess 14 movable to connect recesses 12, 13 and supply fluid to the brakes and throttle 7 has a piston 16 displaceable in a cylinder 15 under the influence of pressure in the system, and a brake line 21 including an orifice 25 across which pressure is developed by the flow of fluid in use. Operation of the brake pedal opens throttle 6 to allow fluid to flow along duct 19 to lift piston 16 and open throttle 7 to allow fluid to flow into the brake line 21, generating a pressure head at the orifice 25 and applying pressure to the brake cylinders 23 so that a reactive pressure is applied to the piston 8 to give a "feel" at the brake pedal.
Patent GB-1243920-A (GB)
Title: Apparatus for the automatic turning of engines and processing machines
Inventor: BOTTRICH HERBERT
IPC: F02N15/06
Filed: 1969-10-01
Abstract: 1,243,920. Clutch control; tooth gearing. DIESELMOTORENWERK ROSTOCK VEB. 1 Oct., 1969, No. 48252/69. Headings F2L and F2Q. [Also in Division H2] A control for moving a driving pinion 8 into mesh with a driven pinion 11 comprises a switch 13 which stops the axial sliding motion of the pinion 8 if the teeth of the latter do not slide precisely into mesh with the teeth of the pinion 11, rotates the pinion 8 until the teeth slide into mesh and thereafter stops the rotation and continues the sliding movement of the pinion 8. As shown, an electric motor 15 drives the carrier 19 of a planet gear having planet pinions 20 meshing sun gears 21, 22 respectively connected to a shaft 7 through a screw and nut connection 4 and splines 9. The shaft 7 and pinion 8 are moved axially by engaging a brake 24 which holds the sun gear 22 and the shaft 7 and pinion 8 are rotated by engaging a brake 25 which holds the sun gear 21. Operation.-With a master switch 1 closed depression of a switch 2 completes the circuit to a relay 23 which starts the motor 15 and completes the circuit to the brake 24 which holds the sun gear 22 to effect axial sliding of the shaft 7. A switch-operating linkage 12 fast with the pinion 8 closes a switch 14 on initial sliding of the pinion 8 to maintain the relay 23 and brake 24 energized after release of the switch 2. If the teeth of the pinion 8 abut the teeth on the pinion 11 the shaft 7 moves relative to the pinion 8 against the bias of a spring 10 to change over the switch 13 which breaks the circuit to the brake 24 and completes the circuit to the brake 25 whereafter the pinion 8 is rotated until its teeth slide between the teeth of the pinion 11 under the action of the spring 10. This sliding of the pinion 8 relative to the shaft 7 changes the switch 13 back to the position shown to de-energize the brake 25 and re-energize the brake 24 whereupon the pinion 8 is slid completely into mesh with the pinion 11. When the pinion 8 reaches the end of its movement the linkage 12 changes over the switch 16 to de-energize the brake 24 and energize the brake 25 whereupon the motor 15 rotates the pinion 8. To stop the drive a switch 17 is depressed to break the circuit to the brake 25 and to re-energize the brake 24 and slide the pinion 8 out of mesh with the pinion 11. Lamps 26, 27, 28 indicate when the brakes are energized and the master switch is closed. A reversing circuit is provided for the motor 15 to reverse its direction of rotation. In Fig. 1 (not shown) two separate electric motors are provided one of which slides the shaft 7 and pinion 8 axially whilst the ether rotates the shaft and the control circuit directly energizes the first motor to effect axial sliding of the pinion and the second motor to rotate the pinion.
Patent GB-1194017-A (GB)
Title: Improvements in and relating to Methods of Manufacturing Semiconductor Devices
IPC: C30B9/00
Filed: 1967-10-27
Abstract: 1,194,017. Semi-conductor devices. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 27 Oct., 1967 [1 Nov., 1966], No. 48956/67. Heading H1K. Semi-conductor material is epitaxially deposited on a single crystal substrate from the liquid phase by withdrawing solvent from a molten solution of the semi-conductor material. The solvent may be withdrawn by evaporation or by chemical reaction. In a first example a 20% solution of SiC in chromium is placed on an N-type SiC wafer doped with nitrogen. The assembly is arranged on a pyrographite plate and heated by means of an H.F. coil in a helium atmosphere at reduced pressure to melt the solution from which the chromium evaporates to epitaxially deposit a layer of SiC which is of P-type conductivity due to a small chromium content. The solution may also contain aluminium as an acceptor impurity. In a second example a pattern of disc-shaped pieces of foil of Cr 20% SiC 20% Al are placed on a wafer of nitrogen-doped SiC and covered by a second wafer. On heating, areas of P-typ SiC are simultaneously epitaxially deposited on both wafers to form NPN structures. In a modification a pattern of chromium areas is vapour deposited on a wafer of SiC doped with boron and a second similar wafer is placed on the deposited pattern. The wafers are heated in helium containing 1 % nitrogen and SiC dissolves from the wafers and is regrown as N-type material where the chromium areas were deposited to form PNP structures. In a third example a plate of Ga, 4 mol. per cent GaP, 0À04% Te is placed on a zinc-doped P-type wafer of GaP and heated in an atmosphere of chlorine which reacts with the molten gallium to form volatile gallium chloride, N- type GaP doped with tellurium being epitaxially deposited on the wafer.
Patent GB-1029024-A (GB)
Title: Improvements in or relating to ferromagnetic ferrites incorporating lithium
IPC: C04B35/26
Filed: 1964-12-02
Abstract: 1,029,024. Magnetic compositions. AMPEX CORPORATION. Dec. 2, 1964 [Feb. 21, 1964 [Feb. 21, 1964], No. 48978/64. Heading H1H. Modified lithium ferrites capable of being sintered at temperature below 2100 F. are formed by the inclusion of lithium vanadates in the starting composition, the ferrites being specified by the formula where O<x<0À05 and M is divalent metal from the group Mg, Mn, Co, Zr, Ni and Cu. In the preparation of an example where x=0À01 and M is Ni, a mixture of oxides or oxide-yielding compounds was formed, milled in isopropyl alcohol, and heated at 1400 F. for 1-1¢ h. It was then reground, mixed with a lubricant and binder, pressed into shape and sintered between 1800 F. and 1950 F. The memory cores so formed showed improved (lower coercivity over cores which did not include the vanadium/nickel modifiers.
Patent GB-1020256-A (GB)
Title: Improvements in electrostatic filtering apparatus
IPC: F15B15/06
Filed: 1964-12-02
Abstract: 1,020,256. Electrostatic precipitators; centrifugal separators; treating gases with liquids. P. G. VICARD. Dec. 2, 1964 [Dec. 2, 1963], No. 49020/64. Headings B1R, B2J and B2P. In an electrostatic precipitator, dust-laden gas is saturated with the vapour of a liquid and supersaturated with a fog of fine droplets of the liquid by means of spraying devices 3 and is submitted, on entering a Venturi tube 4-5 to a sudden expansion (i.e. in the neck portion 4) which lowers its temperature to such an extent that the vapour carried by the gas condenses on the dust particles in the form of a superficial liquid film, and the wet particles are thereafter ionized by a central ionizing electrode 8, Fig. 1, or 13, Fig. 2 (not shown), the gas being whirled at a high speed in the diverging portion 5 of the Venturi tube by means of helicoidal vanes 11 in order to urge the liquid droplets and the wet particles from the central zone which surrounds the ionizing electrode towards the wall of the Venturi tube. By this construction, the amount of moisture is reduced around the ionizing electrode and arcing between the electrode and the wall of the Venturi tube is minimized so that a relatively high voltage may be employed and electrostatic separation improved. In Fig. 1, the electrode 8 is pointed and extends into the Venturi tube. The cleaned gas leaves at 9 and the liquid and separated particles are extracted via an air lock or valve at 10. In Fig. 2 (not shown) a further Venturi tube 12 is provided below the tube 5 and the ionizing electrode 13 is in the form of a conical network and is mounted within the tube 12. The tube 12 opens into a collecting chamber 15 in which are mounted a liquid sprayer 16 and precipitating surfaces 17.
Patent GB-1024277-A (GB)
Title: Improvements in automatic apparatus for raising or forcing liquids
IPC: F04F1/06
Filed: 1962-12-31
Abstract: 1,024,277. Discharging liquids under pressure. E. M. SMITH. Dec. 31, 1962, No. 49079/62. Heading F1R. In liquid pumping apparatus a tank 218 is connected to a pipe 211 containing non-return valves 215, 216 and to a chamber 222 containing a spring-loaded diaphragm 224 operating a change-over valve 227. Compressed air is passed through a line 221 and through an ejector 231<SP>1</SP> to draw liquid into the tank 218. When the static head of the liquid provides sufficient load to overcome the diaphragm spring 223 the line 221 is directly connected to the tank interior to force out the liquid contained therein. Instead of the ejector 231<SP>1</SP>, liquid may be supplied under gravity (Fig. 1, not shown) or a vacuum pump may be connected to the tank (Fig. 2, not shown), in both cases an air line is also provided to force the liquid out of the tank. A second tank may be provided connected in series with the first in which case a non-return valve is provided between the tanks (Fig. 4, not shown). When compressed air is supplied to the first tank to eject the liquid therein, the depression created by the ejector draws liquid into the second tank. The diaphragm operated valve, which is in communication with the first tank only, and under the influence of the static head therein alters the pressure line connections so that compressed air enters the second tank and the first tank is vented to atmosphere. The tanks are emptied and filled alternately in operation.
Patent GB-1055249-A (GB)
Title: Improvements relating to hydraulic transmission circuit
Inventor: ATKINSON RICHARD LESLIE
IPC: B62D49/06
Filed: 1963-12-12
Abstract: The subject-matter of this Specification is identical with that described in Specification 1,055,248 but the claims are concerned with the hydraulic fluid being supplied by a pump driven from the gear box of the vehicle.
Patent GB-1325896-A (GB)
Title: Ring and traveller
IPC: D01H7/60
Filed: 1970-10-15
Abstract: 1325896 Ring and traveller W REINERS and H-J FURST [trading as REINERS & FURST] 15 Oct 1970 [18 Oct 1969 15 Nov 1969] 49154/70 Heading D1D A ring and traveller are so dimensioned that during running the traveller is in contact only on the inner and undersides of the ring, the internal traveller-contacting surface of the ring being at an angle α of 4-14‹ to the vertical, the internal diameter of the ring being greater at its underside. As described, the ring and travller can have the following construction: the internal ring height 31 is at least 15% greater than the ring height 11, e.g. less than 10 mm. There is a wedge area 4 between the ring and traveller in the vicinity of the thread passage zone. The ratio R:r is 3 to 2:1. The ring can be made of porous sintered steel and be supplied with lubricant or the lubricant can be supplied by the fibrous material being spun.
Patent GB-1410213-A (GB)
Title: Process for the manufacture of moulded articles
Inventor: VON BONIN W
IPC: C04B28/26
Filed: 1972-10-27
Abstract: 1410213 Moulded silicates BAYER AG 27 Oct 1972 [27 Oct 1971 19 Nov 1971] 49569/72 Heading C1A [Also in Divisions B2 C3 and D1] A moulded silicate article is made by hardening an aqueous silicate solution by mixing with a pyrocarbonic acid ester and/or carboxyliccarbonic acid ester anhydride in an amount of from 0À01 to 30% by wt. based on the silicate solution. Preferred silicate solutions are aqueous solution of sodium or potassium silicate having a solids content of 10 to 50% by wt. containing one or more organic or inorganic additives. The pyrocarbonic acid ester is preferably diethylpyrocarbonate and the carboxylic-carbonic acid ester anhydride is preferably the reaction product of isophthalic acid and ethyl chloroformate. The process is normally effected at a temperature of 10 to 70 C. Hardening may be effected in the presence of foaming agents and/or organic or inorganic particles, fibres or fleeces.
Patent GB-1223140-A (GB)
Title: Connector or coupling device for use with refrigerated containers
Inventor: MUNTON RUPERT
IPC: B65D88/74
Filed: 1968-10-21
Abstract: 1,223,140. Pipe couplings. SHIPOWNERS REFRIGERATED CARGO RESEARCH ASSOCIATION. 8 Oct., 1969 [21 Oct., 1968], No. 49875/68. Heading F2G. A coupling for connecting a pipe to an aperture in a container, e.g. to connect a source of chilled air to a refrigerated transport container, comprises a sleeve formed of strands of resiliently deformable material mounted on the pipe end so that the container aperture can be located within the sleeve end with the strands engaging the container wall. In one form of coupling, strands 9, 13, Fig. 1, of nylon and bristle are arranged in two layers to form the sleeve. Each layer is held in a crimp ring 15, the two layers 9, 13 being separated by an impervious layer 11 of rubber, plastics, &c. The crimp rings 15, &c. are secured in a ring-shaped housing 17 mounted on the end of a pipe (3), Fig. 2 (not shown). A number of such pipes, &c. (3) may be arranged at discretely spaced coupling stations, e.g. in the hold of a ship, to align with correspondingly spaced apertures (5) in the side walls (7) of transport containers. Lowering such containers into the hold of the ship then automatically effects coupling. In another form of the coupling, the sleeve of bristles 59, &c., Figs. 3, 4, is secured to a support ring 49 mounted by spindles 47, pivoted links 43 and pin-and-slot connections 37 on a flange 29 fast with a pipe 21. The support ring 49 is biased away from the flange 29 by springs (71), Fig. 5 (not shown). The links 43, &c. allow limited vertical movement of the support ring 49. Springs 83 centre lugs 51 of the support ring 49 on the spindles 47 between the links 43, and allow limited lateral movement. A flexible connection 63 between the support ring 49 and the pipe 21 consists of foamed plastics 69 and outer impervious layers 65, 67. A number of such couplings is arranged so that the springs (71) bias the bristles, &c. 59 inwards to positions which lie just within the area below the bottom of a suspended transport container 23. As the container is lowered, its side walls 25 engage cam rollers 53 on the spindles 47, and the support rings 49 are forced back towards their flanges 29 against spring bias. The container 23 continues to be lowered until apertures in its sides 25 align with the sleeves 59, to complete the couplings.
Patent GB-1020257-A (GB)
Title: Improvements in or relating to filter material for tobacco products
IPC: D04H1/4258
Filed: 1964-12-09
Abstract: 1,020,257. Tobacco smoke filters. G. A. BARTH and K. KOHMANN (trading as LOHMANN KOMM.-GES). Dec. 9, 1964 [Dec. 10, 1963], No. 50052/64. Heading A2C. Tobacco smoke filter material consisting of artificial fibres with a cellulose basis is characterized in that the filter consists of fibrous web or fleece which is dissolved on to the fibre surfaces by a lye treatment and in this condition stabilized to form a highly porous fleece material which is consolidated free from binding agents by subsequent neutralization and drying. The fleece may initially contain up to 20% of cotton constituents. The filter material may be prepared by passing a fleece of artificial fibres with a cellulose basis through a lye bath of 5-15% NaOH at temperatures of -5 +15C. for a half to one minute, acidulating, re-washing and drying.
Patent GB-1171099-A (GB)
Title: A Process for the Manufacture of Kaffir Beer.
Inventor: SMIT NICOLAAS JACOBUS
IPC: C12C5/00
Filed: 1968-10-23
Abstract: 1,171,099. Kaffir beer. N. J. SMIT. Oct. 13, 1968 [Dec. 20, 1967], No. 50359 / 68. Heading C6E. The manufacture of Kaffir beer involves the following steps; mixing maize meal and lukewarm water together, heating the mixture for two hours at a boiling temperature above 110‹ F. but not exceeding 200‹ F. and then reducing the temperature to 110‹ F. as quickly as possible, adding raw malt to produce a mash, adding sugar when the pH of the malt mash reaches 3À5 - 3À8 (after about eleven hours), heating at a boiling temperature not exceeding 200‹ F. for two hours, reducing the temperature to 80‹ F, adding further raw malt and brewer's yeast, maintaining the temperature at 80‹ F. for 60 hours for the fermentation and straining the Kaffir beer from the fermented mash.
Patent GB-1476222-A (GB)
Title: Separating xylenes by crystal size classification
IPC: C07C1/00
Filed: 1974-11-21
Abstract: 1476222 Separating xylenes by crystal size classification IMPERIAL CHEMICAL INDUSTRIES Ltd 30 Oct 1975 [21 Nov 1974] 50444/74 Heading C5E p-Xylene is separated from a solution or slurry of a mixture comprising para-, ortho- and meta-xylenes present in substantially their eutectic ratios by chilling the solution or slurry to form a mixture of crystals and liquid, and separating p-xylene crystals from crystals of the other components by classifying the crystals according to their respective sizes and/or shapes. The feedstock may also contain one or more of ethylbenzene, toluene and C 9  aromatic hydrocarbons. The chilling may be carried out at - 65 to - 103 C., preferably in two or more stages, at least one of which is crystal size classification and at least one other is fractional crystallization. An indirect liquid refrigerant may be used to assist the chilling, e.g. methanol/ water. The separation of crystals of xylene isomers may be effected in a screen bowl or solid bowl centrifuge, a vibratory sieve, elutriation apparatus, settling apparatus or a hydrocyclone.