baber/WOPTO huggingface dataset:
Patent GB-415204-A (GB)
Title: Improvements in or relating to the control of electric motors
IPC: G05B11/01
Filed: 1933-04-13
Abstract: 415,204. Control of A.C. motors. BAILEY METER CO., 1050, Ivanhoe Road, Cleveland, Ohio, U.S.A.-(Assignees of Ryder, J. D. ; 11,448, Euclid Avenue, Cleveland, Ohio, U.S.A.) April 13, 1933, No. 11091. Convention date, April 14, 1932. [Class 38 (iii).] Following movement of control member.- A motor 5 has opposed windings 6, 7, the circuits of which are inductively coupled to respective control circuits, the currents in which may be varied to control the impedance of, and, therefore, the current in the circuits of the windings, to control the direction of rotation of the motor. Variation of the pressure in a pipe 1 causes contacts 30 or 29 to close to change the grid potentials of electron tubes 16, 17 connected in the control circuits. The discharge through one tube is thus stopped and the currents flowing in the windings 6, 7, become unequal to cause rotation of the motor which operates an indicator 10 and a damper 4. The motor also positions normally stationary contacts 34, 35 so that the contacts 30 and 29 are again both open and the motor stops with a plugging action. In a modification, variation of pressure varies the setting of potentic meterresistance, and thereby the grid potent als, so that the motor speed corresponds to the degree of pressure variation.
Patent GB-500772-A (GB)
Title: Improvements in machines for making seamless pipes of asbestos-cement or like material
IPC: B28B21/50
Filed: 1938-04-11
Abstract: 500,772. Machines for making asbestoscement &c. pipes. HARDIE & CO. PTY., Ltd., J. April 11, 1938, No. 11117. Convention date, June 15, 1937. [Class 99 (ii)] In a machine for making asbestos-cement &c. pipes, of the kind in which asbestos-cement is applied to a mandrel 5 by a conveyer belt 7 and is consolidated thereon by pressure, the application of pressure is effected by two parallel sets of rollers 8. The latter are rotatably mounted in brackets 9 which are bolted to longitudinal members 10 and are provided with seatings 11 for pressure-applying hydraulic rams &c. 12. the rollers may be covered with rubber, with or without a further covering of fabric, and, as shown, the gaps between the rollers of one set are staggered with respect to those of the other set.
Patent GB-441453-A (GB)
Title: Improvements in or relating to the purification of lactic acid and its salts
IPC: C07C51/487
Filed: 1934-04-13
Abstract: Lactic acid and its derivatives such as its salts, esters, ethers, and anhydrides, including lactide, are purified by means of an oxidizing agent such as hydrogen peroxide, ozone, preferably in presence of active carbon, sodium or potassium dichromate, permanganates, persulphates, perborates, benzoyl peroxide, and barium and sodium peroxides.  The lactic acid or its derivative may be brought to boiling point with the oxidizing agent and then steam-distilled under vacuum, the distillate being then treated with ozone with or without the addition of activated carbon.  In examples: (1) lactic acid of 45 per cent obtained by extraction with isopropyl ether is boiled with hydrogen peroxide; (2) the same lactic acid is treated with active carbon, filtered and treated with hydrogen peroxide; (3) an 85 per cent lactic acid is treated with hydrogen peroxide then diluted to 45 per cent, and steam-distilled under vacuum; (4) a 45 per cent lactic acid is treated with active carbon, filtered, and distilled, the 85 per cent distillate being diluted to 45 per cent and treated with hydrogen peroxide; (5) an 85 per cent lactic acid is treated with potassium permanganate; (6) a 45 per cent lactic acid is treated with sodium dichromate; (7) ozonized oxygen is passed through a solution of calcium lactate; (8) 85 per cent lactic acid is treated with ozonized oxygen.  A solid lactate may be treated with ozone.
Patent GB-671214-A (GB)
Title: Improvements in and relating to turbine type starters for internal combustion engines
IPC: F02C7/26
Filed: 1948-04-23
Abstract: 671,214. Turning-gear. BRITISH THOMSON-HOUSTON CO., Ltd., GRAHAM, D. H., and TABBERER, G. March 29. 1949 [April 23, 1948], No. 11237/48. Class 7(v) In a turbine-type starting-motor for internal-combuston engines having a bladed turbine wheel A adapted to be driven by a stream of gas under pressure and to be moved into the path of the gas by the force of torque reaction exhibited by the engine and out of the path of the gas, to prevent overspeeding, by a spring-loaded member (not shown), working in opposition to the force set up by the torque reaction, it is arranged that the full torque developed by the turbine-wheel is transmitted to the output shaft, (not shown), through a pair of diametrically opposed gear wheels H, S adapted to mesh with a pinion G on the shaft of the turbine wheel. The driven gear H is secured to a layshaft L' which latter has rigidly positioned thereon another gear Q meshing with an internally toothed gearwheel R mounted on the output shaft whilst gear S is secured to another layshaft L<SP>2</SP> that is provided with a pinion T which drives the gear R. The turbine shaft is journalled in one end of a fork arm F, the fork portion being pivoted co-axially at J on layshaft L,. The gears S and T are coupled by dogs U to provide a degree of lost motion therebetween so that when the turbine wheel pivots into the low-torque position, (shown in dotted lines), gear S can turn forwardly and does not interfere with the movement of the wheel and pinion G. In the lowtorque position the drive is through gears G, H, Q and R whilst in the full-torque position the wheel A and pinion G will balance against gears H and S so that the drive is shared between these gears, and the gears T and Q will drive. gear R and the output shaft. An externally toothed gear wheel could replace gear R, which wheel would mesh with pinions T and Q when full torque is being transmitted. The teeth size and limiting movement of fork F are chosen so that the teeth of pinions G and gear S are always meshed. Specification 652,472 is referred to..
Patent GB-580320-A (GB)
Title: Improvements in or relating to reciprocating pumps
IPC: F04B1/04
Filed: 1944-06-12
Abstract: 580,320. Reciprocating pumps. AUTOMOTIVE PRODUCTS CO., Ltd., PRIOR, D. L., and SADLER, F. A. D. June 12, 1944, No. 11242. [Class 102 (i)] In a radial-cylinder reciprocating pump in which the pistons-24 are actuated by a sleeve 32 mounted on roller bearings 33 on a crank pin 16, each piston has a diametrical groove in its face, the cross section of this groove being greater than a semicircle and a pin 35 is held in this groove. The ends of the pin 35 project from the piston and retaining rings 37 engage these projections so that the whole length of the pin abuts the driving sleeve 32. In modifications, the driving sleeve 32 may rotate directly on the crank pin, the roller bearing being omitted or the pins may bear directly on the crank pin 16.
Patent GB-826112-A (GB)
Title: Regulating means for machines operating with hydraulic pressure, more particularly track-packing machines
IPC: E01B27/16
Filed: 1958-04-09
Abstract: 826,112. Hydraulic machines. PLASSER, F., and THEURER, J. April 9, 1958 [April 11, 1957], No. 11261/58. Class 69 (2). [Also in Group XXX] A prime mover of a railway track-packing machine having hydraulically - actuated or adjusted tools 6 is regulated in accordance with the working pressure of the hydraulic system. The tools are carried by arms 5 vibrated by an eccentric 4 driven by a motor 12, and are adjusted hydraulically by means of cylinders 7 movable on stationary pistons 8 on a common rod 9, each tool being pivotally connected to a cylinder 7. The lower ends of the tools penetrate into the ballast and consolidate it by a closing movement towards one another and as a result of their vibration. Motor 12 also drives a pump 15 supplying liquid to the cylinders to close the tools, a branch pipe 25 leading to a regulating device having a piston 27 controlling the motor 12, for example by controlling the fuel supply. In operation the vibrating tools move towards one another and consolidate the ballast. With increasing consolidation the pressure rises and displaces piston 27 against its spring-loading to increase the power of the motor 12. The maximum pressure is limited by a relief valve 21. The tools are opened by applying pressure through pipes 24.
Patent GB-1375145-A (GB)
IPC: B65D6/16
Filed: 1973-03-08
Abstract: 1375145 Container; load handling pallets CATERPILLAR TRACTOR CO 8 March 1973 [10 March 1972] 11267/73 Headings B8P and B8H A container comprises a sleeve 14 of corrugated paperboard pushed outwardly by a paperboard sheet 16 which lies on the bottom 18 of a pallet assembly 12, on to downwardly and inwardly directed barbs 32 formed in an upstanding peripheral flange 20 of the pallet assembly 12. The sleeve 14 can be folded flat when it is separated from the pallet assembly 12. The upper edge of the sleeve 14 is protected and reinforced by bars 38 having barbs 40 which pierce the sleeve 14. Each foot member 24 of the pallet assembly 12 is tapered downwardly.
Patent GB-1359809-A (GB)
Title: Fuel injection systems
IPC: F02D41/32
Filed: 1973-03-08
Abstract: 1359809 Controlling fuel injection electrically ROBERT BOSCH GmbH 8 March 1973 [9 March 1972] 11318/73 Heading G1N In an electronic fuel injection system for an I.C. engine 10 of a motor vehicle having an automatic transmission 60, the system being of the type providing injection valve opening pulses 19 in synchronism with crank-shaft rotation, the duration of the pulses 19 is temporarily increased when the transmission lever 61 is changed from its neutral or parking position to one of its drive positions. As shown, a monostable multi-vibrator 20 provides the pulses, their duration being determined by the intake air pressure and the potential at point S. A switch 64 is associated with the transmission 60 and is closed only in the neutral (N) or parking (P) position of lever 61. This switch is connected between the starter switch 69 and the starter relay 68 of the engine. Switch 65 is the ignition switch. A time switching stage 67 is connected to the junction of switches 64, 69 to determine the potential at point S. The potential at this point decreases to increase the opening pulse duration throughout the period the starting switch 69 is closed during starting. Furthermore, when the switch 64 is opened when the lever 61 is moved to one of its drive positions, R, 2, 3, 4) the time switching stage again decreases the potential of point S, the operation persisting for a period (for example from 1 to 30 seconds) determined by the discharge time of a capacitor 77.
Patent GB-740834-A (GB)
Title: Improvements in or relating to removing water from heavy fuels
IPC: C10G29/20
Filed: 1953-04-24
Abstract: Water is removed from fuels having an A.P.I. gravity below 25 DEG and which boil above 400 DEG F by adding to the fuel a hydrophilic synthetic phenolic resin comprising the ethylene- and/or propylene-oxide derivative of a water-insoluble and xylenesoluble fusible synthetic phenolic resin, and centrifuging the fuel. Phenolic resins referred to are phenol-urea-formaldehyde, phenol-aniline-formaldehyde, phenol-terpene and coumarone-indene-phenol resins; these may be used together with other demulsifiers, a suitable mixture being sold under the Registered Trade Mark "Tretolite."  The hydrophilic phenolic resin may be diluted with a non-viscous, volatile solvent for example a mixture of xylene and isopropyl alcohol.  A suitable demulsifer consists of the ethylene and/or propylene oxide derivative of butylphenol-formaldehyde resin, a cyclohexylamine salt of polypropylated naphthalene mono-sulphonic acid, an ammonium salt of this sulphonic acid, a sodium petroleum mahogany sulphonate, an aromatic petroleum solvent and isopropyl alcohol.  The fuels treated may be heavy residua from the distillation of crude petroleum oil or of cracking-coil tars.
Patent GB-187255-A (GB)
Title: Improvements in and relating to apparatus for heating and medicating air
IPC: A61M11/04
Filed: 1921-04-20
Abstract: 187,255. Case, E. R. April 20, 1921. Res,piratory appliances; vapour injectors and douches. -Relates to apparatus wherein a medicament suitable for inhalation is vaporized by an electric heater and is conveyed to the patient on the stream of heated air generated by the said heater. A form of apparatus for vaporizing solid treating agents is shown in Fig. 1, in which a porcelain &c. container C with a metal lining 3 holds the treating- agent 4 and supports an electric heating element H which is connected to a pair of terminals 5. The container and lining have perforations c, 3<1> to allow the generated vapours to pass into the surrounding apertured housing 17, from which the stream of heated air is conveyed to the patient by any known means. To permit the introduction of the treating-agent, one end of the container is closed by a removable cap 9 and is provided with means 14 for allowing air to pass into the container. A modified construction for use with liquid treating-agents is shown in Fig. 3, a valve 26 being used to control the supply of liquid from the pipe 25.
Patent GB-115180-A (GB)
IPC: B23B31/20
Abstract: 115,180. Bardons, G. C., and Oliver, J. G. Oct. 5, 1917. Lathes; chucks.-Hollow-spindle chucks and mandrels are provided with means for opening and closing them which with slight alterations can be used with either a draw or a push spindle. Fig. 1 shows the means as applied to a tubular push spindle 11 which rotates with the hollowspindle 2 of the chuck. Abutting against the end of the push spindle is a collar 12 provided with lugs movable in slots in the end of the spindle 2. In contact with this collar 12 are the short arms of levers 15 pivoted on a collar free to move on the spindle 2 and bearing on a thrust collar 19 screwed on the spindle 2 and locked by a tapered bush 29 screwed into the split end of the spindle. The long arms of the levers 15 bear on a tapered sleeve 21 free to move on the spindle 2 under the action of some convenient mechanism such as that shown. In the position of the sleeve 21 shown in full lines, the long arms of the levers 15 are pressed outwards and their short arms bearing on the sleeve 12 press it and the push rod 11 to the right to close the jaws of the clutch on to the work. Fig. 3 shows the modifications necessary to operate a draw spindle 35. In this case, the lugs on the sleeve 12 bear on the end of the spindle 2 so that, when the levers are in the position shown, the collar on which they are pivoted bears on the thrust collar 36 keyed on the draw spindle 35 and secured by lock nuts. The draw spindle is thus moved to the left to close the chuck. The collar 36 may be placed with the lugs 39 to the right so that the levers 15 bear directly on them.
Patent GB-581359-A (GB)
Title: Improved apparatus for separating liquids
IPC: B01D17/02
Filed: 1945-05-07
Abstract: 581,359. Gravity-separation apparatus. ALEXANDER, W. May 7, 1945, No. 11528. [Class 46] [Also in Group XXIX] Apparatus for separating liquids of different specific gravities in which the discharge of the separated liquids from a tank is automatically controlled by a float operating a pilot valve that adjusts the flow of steam or compressed air to or from a relay cylinder connected with a liquid-discharge valve, is characterized in that the pilot valve is on a hollow support the interior of which communicates with the interior of the tank. As shown in Fig. 1, a tank 1 with an inlet 10 for a mixture of oil and water is provided with an apertured cylinder 13 supporting a bearing 16 for a float 18. The float is surrounded by a cylindrical perforated baffle to facilitate separation of the oil and water. The float is connected by a lever 21 to a rod 61 adapted to operate a pilot valve [see Group XXIX] in a casing 45. The casing is fixed on the top of a hollow support 56. The pilot valve controls the supply of steam or compressed air through pipes 44 to either end of a relay cylinder 32 whereby the piston therein operates a valve to discharge oil from a pipe 9 or water from a pipe 5. The piston is connected by a rod 31, Fig. 6, to a duplex valve 35. In one position of the valve passageway 36a is opened to allow discharge of oil from the tank. With the valve in the opposite position passageway 37a is opened to allow discharge of the water. Other forms of duplex valve are described. Instead of a duplex valve two valves with one or two relay cylinders may be provided.
Patent GB-1221873-A (GB)
Title: A set of cooperable members for bracing concrete forms
IPC: E04G17/14
Filed: 1968-03-08
Abstract: 1,221,873. Supporting wall shuttering; lattice girders. HUNNEBECK A.G. 8 March, 1968 ([9 March, 1967; 21 Aug., 1967], No. 11552/68. Headings E1K and E1S. Wall shutters are supparted by a framework of elongate rectangular-sectioned horizontal and vertical girders, e.g. 26 and 20, with the .girders in one direction, as shown the horizontal girders 26 passing through apertures in the vertical girders 20 and being secured thereto. Vertical angle-section members 31' are used to connect the horizontal girders 26 together at wall corners. The girders may each consist of four chords, one at each corner, interconnected on each face either 'by reinforcing members extending generally at right angles thereto or by lattice-work; alternatively each girder may be a double-webbed lattice girder with two apertured; generally channel-shaped chords 33, 34 interconnected by two parallel serpentine reinforcing rods 44, 45.
Patent GB-1395704-A (GB)
Title: Magnetic materials
IPC: C01G49/08
Filed: 1971-04-27
Abstract: 1395704 Magnetic materials EASTMAN KODAK CO 1 May 1972 [27 April 1971] 11570/71 Heading C1A Fe 3 O 4  and γ-Fe 2 O 3  crystalline particles with a minimum acicularity ratio not below 15 and with a basicity of at least 0À04 meq./g. due to alkali metal ions are claimed per se. The alkali metal may be Na or K. The crystalline particles may be not more than 0À8 microns in length and have a coefficient of polydispersion higher than 2. They may also contain Co, Ni, Cr, Zn, Cd and/or Mn; they may contain alkaline earth metal ions situated mainly on the surface. α-FeO.OH may be made from a ferrous salt solution by precipitation with excess alkali metal hydroxide followed by oxidation and boiling, the ferrous salt solution may be added to the hydroxide solution by the method of Specification 1,328,115. γ-Fe 2 O 3  may be made from suitable α-FeO.OH by dehydration, reduction to Fe 3 O 4  and oxidation. The prducts are suitable for the production of magnetic recording materials.
Patent GB-194190-A (GB)
Title: Improvements in or relating to hat constructions
IPC: A42B1/02
Filed: 1922-04-25
Abstract: 194,190. Mayleas, J. M. April 25, 1922. Brims.-In a hollow hat-brim, the material of the brim extends continuously to form the upper, peripheral and lower walls of the brim so that no seams are necessary round the circumference. The brim comprises a foundation of stiffened buckram and a covering of plush. The buckram is cut as a rectangular strip, the ends are joined and the band is blocked into channelled form with flanged inner edges. The plush is cut on the bias, the ends joined by a diagonal seam and the band stretched over the foundation. One flange is then cut away and the other used for connecting the brim to the hat.
Patent GB-165993-A (GB)
Title: Spinning, doubling, twisting and like machines used in the production of yarns or threads of fibrous substances
IPC: D01H7/38
Filed: 1920-04-27
Abstract: 165,993. Mylchreest, T. G., and Moorhouse, S. April 27, 1920. Spindle apparatus; spindle and lifting rails; building-motions. - Relates to spinning, doubling, twisting and like machines of the kind wherein the yarn is wound upon the bare spindle or upon tubes or bobbins on the spindle which is rotated by the pull of the yarn, the nose of the cop being produced by a conical cup, within which the spindle rotates and rises as the cop is wound. The cup 2, Fig. 4, is rotated in ball bearings on the bearing-sleeve 3 of the spindle and carries arms 6 secured to a disc or cross arm 7 which rotates in antifriction bearings on a stud 7<b> in a bracket 8. The yarn passes through a guide eye in the stud 7<b> around one of the arms 6, through guide eyes on the cup and on an arm mounted on a disc 9, which rotates with the cup and is reciprocated to lay the yarn, and through a slot 2g in the cup to the spindle. The disc 9 is mounted on a rail 11. which is reciprocatad by toothed quadrants on a shaft 28, Fig. 3, oscillated by a box-cam 29 and lever 30, a retracting spring 33 being provided to eliminate back-lash. The footstep rail is carried on a sliding bracket 14<a> which is balanced by a rack which engages a pinion meshing with another adjustably weighted rack, or by a weight 16. Drag is applied to the spindle by a cord which engages a pulley 21 secured to a bush, which is splined to the spindle and supported in bearings in the dragrail so that the cord does not press the spindle laterally. A cover d<1> engages a shoulder on the spindle and withdraws it from the cop when the footstep is lowered for doffing. Specification 109,689 is referred to in the Provisional Specification.
Patent GB-943938-A (GB)
Title: A process for preparing ethylene copolymers; and the resulting copolymers
Inventor: BROWN ALASTAIR LINDSAY
IPC: C08F210/00
Filed: 1962-03-27
Abstract: A copolymer of ethylene and butene-1 is formed by contacting an olefinic reactant comprising ethylene and not more than 10% (by volume of ethylene) of butene-1 under polymerization conditions and in the presence of hydrogen with a catalyst formed by mixing (1) a trihalide of a Group 4A or 5A metal (Mendel<\>aeef Table) and (2) either a Group 2B organometallic compound MRa(OR)bXc or a Group 3B organo-metallic compound MRd(OR)eXf where M is the metal atom, R is a hydrocarbon radical, X is a halogen atom, "a" is 1 or 2, "b" and "c" are 0 or 1, "d" is 1, 2 or 3 and "e" and "f" are 0, 1 or 2.  The preferred component (1) is titanium trichloride, preferably gamma titanium trichloride which may be formed by mixing titanium tetrachloride and an aluminium trialkyl in an inert organic solvent from which the resulting titanium trichloride is precipitated and in proportions such that the Al:Ti atomic ratio in the mixture is between 0.3 and 0.5, and then heating the mixture above 120 DEG C.  A suitable catalyst for the invention can be obtained by removing the gamma titanium trichloride from the mixture and mixing it, preferably in the presence of a solvent, with a component (2) as above, or the catalyst can be formed by merely adding the component (2) to the mixture containing gamma titanium trichloride.  The organometallic compound of the Group 2B or 3B metal can for example be an alkyl, alkoxide, aryloxide or alkyl halide thereof.  The preferred Group 2B metal is zinc and the preferred Group 3B metal is aluminium, the preferred aluminium compound being an alkylaluminium monochloride. The ethylene, butene-1 and hydrogen may be supplied as a single gaseous feed stream to the reactor or they may be added separately or the butene-1 may be added with the ethylene.  In the examples the amount of hydrogen added varies between 5 and 15% by volume of the total gaseous feed.  Specifications 799,392, 799,823, 801,031, 810,023 and 943,937 are referred to.