baber/WOPTO huggingface dataset:
Patent GB-111529-A (GB)
Title: Improvements in or relating to Pumping Apparatus.
Inventor: ADAMS COLIN HENRY
IPC: F04D7/04
Filed: 1916-11-30
Abstract: 111,529. Adams, C. H. Nov. 30, 1916. Discharge and suction pipes and passages for pumps; strainers, dirt-catching receptacles, and the like.-A pumping system comprises two or more screening chambers p, d, through which the liquid passes on its way from the source a to the main u, and means are provided for reversing the direction of flow through the screens so that the solid matter collected on one screen when the flow is in one direction is washed off into the main when the flow is reversed, without going through the pump. Any suitable combination of valves may be used. In the arrangement shown, in one direction the liquid travels up the pipe b, through a valve q, to the screening-chamber p, thence by a pipe o and valve h to the pipe l and pump k, from which it is discharged by the valve h and pipe g through the chamber d and valves r<1>, s<1> to the ma.in u. On reversing the valves the liquid enters by the chamber d and is discharged through the chamber p, the solid matter collected by this chamber before the reversal of flow being thus washed off into the main.
Patent GB-639470-A (GB)
Title: A device for repeated starting and stopping of an oscillation generator
IPC: H05B6/04
Filed: 1947-06-30
Abstract: 639,470. Interrupting high-frequency oscillations. STIVEN, J. June 30, 1947, No. 17169. Convention date, Aug. 27, 1946. [Class 40 (v)] Switching means for interrupting the operation of valve generators, such as are used for electric heating of metals, are arranged to start the generator by first opening a short circuit across the grid leak and then short-circuiting a condenser connected between the leak and ground; whereas for stopping the generator, the leak is first shorted and then the short across the condenser is removed. As shown in Fig. 1. the control switch 9 is closed to start the generator, the relay 8 lifting the switch 2 to open the short across the leak 5 and to connect at 7 the relay 10 in the grid circuit. The contact 6 is thus closed in parallel with the contact 7 and the generator starts up. To stop the generator, control switch 9 is opened, thus releasing the switch 2 to open the contact 7 and close contact 1. The grid is now earthed by the condenser 3 for oscillatory voltage, the oscillation ceases and the absence of grid current releases the switch 6. In a modified circuit (Fig. 2, not shown), the coil 10 is replaced by a coil in circuit with further contacts controlled by the coil 8. The Specification as open to inspection under Sect. 91 comprises also a further modification, Fig. 3 (Cancelled), in which the contacts 13, 14 are opened and closed by spaced stop members attached to a link 17 suspended from an operating lever 15, the movable contacts being pressed apart by a coiled spring. When the link 17 has been lifted to start the oscillator, the spring- controlled roller R rides up the guide G to complete the short-circuit across the condenser 3. This subject-matter does not appear in the Specification as accepted.
Patent GB-739605-A (GB)
Title: Process and apparatus for continuous extraction
IPC: C11B1/10
Filed: 1953-06-22
Abstract: <PICT:0739605/III/1> In the continuous extraction of fatty oils from materials containing them by solvents in countercurrent, the quantity of solvent used is in excess of the quantity of the material, the mixture of the material and solvent is kept in a turbulent movement, the material and the solvent are then separated, and the treatment is repeated in several stages with progressively less and less contaminaated solvent.  The ratio of the solvent to the material in the mixture is at least 2.5 and preferably 3.5 parts by weight to one of the material.  The mixture is preferably kept in a turbulent movement by means of a pump.  In a suitable plant, using three extractor units I to III, the material is fed in to the apparatus from a hopper 11 and withdrawn after the extraction from a pipe 17 at the opposite end of the apparatus, the solvent being supplied from a tank 13 and withdrawn with its content of fatty oil from the first stage I from an overflow pipe 16.  Each of the extractor units I to III comprises a rotary pump 21 with a tail-pipe 20 and a pressure-pipe 19.  The upper part of the tail-pipe 20 forms a tank 33, the walls 25 and 26 of which are differently inclined.  An endless belt 23 is provided over the wall 25 and under the outlet 22 of the pressure pipe 19.  The tank 33 of the second unit II communicates by an inclined pipe 27 with the tail-pipe 20 of the unit I; similar connections obtain with the other units.  The pressure pipe 19 is bent back at 22 and discharges over the belt 23.  The belt may comprise wire netting and acts as a screen.  The material supplied drops into the tail-pipe 20 of the first unit, mixes with the solution from pipe 27 by the action of the pump 21 and is then discharged through the pressure pipe 19 on to its conveyer 23.  Most of the solvent filtered therethrough flows to the tank 33 of the first unit, while the material is conveyed to the tank 33 of the second unit. The process is then repeated for all the stages.  In a modification of the units, only the solvent is led through the pump 21, while the mixture consisting of the solid material and some solvent flows through a shunt-pipe which opens into the pressure pipe of the pump.
Patent GB-474995-A (GB)
Title: Improvements in or relating to supporting springs for motor vehicles
IPC: F16F1/20
Filed: 1936-06-20
Abstract: 474,995. Laminated springs. BEYER, C. June 20, 1936, Nos. 17203 and 17204. Convention dates, June 26, 1935 and Oct. 26, 1935. [Class 108 (iii)] In a laminated supporting spring for motor vehicles inserts 2 provided between the ends of the leaves 1 are pressed against the adjacent leaf-ends by a lowermost tensioning plate 4 which is connected at its ends to the ends of the uppermost spring leaf by adjustable clamping-devices 6, 7. As shown in Fig. 4, the inserts comprise wedges 2 held in position by means of links 10 secured to the wedges and to one end of a holding plate 8 which extends beneath the tensioning plate 4. In a modification, the links and plate 8 are omitted and the wedges riveted to one of the adjacent leaves. In another construction, Fig. 7, a single wedge 2 is inserted between the top and second leaves and is held in position by a spring-pressed bolt 6 which connects it to the tensioning plate 4. The leaves are bent abruptly at the end of the wedge and taper in thickness towards their ends. In a modification, the leaves are of uniform thickness. Specifications 118,731 and 225,916, [both in Class 108 (iii)], are referred to.
Patent GB-826195-A (GB)
Title: Improvements in and relating to apparatus for detecting or measuring the contents of fine particles in a flowing fluid
Inventor: GRINDELL DUNCAN HOLMES
IPC: G01N27/70
Filed: 1957-05-30
Abstract: 826,195. Electric tests. BRITISH THOMSON-HOUSTON CO. Ltd. May 22, 1958 [May 30, 1957], No. 17218/57. Class 37. Apparatus for detecting or measuring the content of fine particles in a non-conductive fluid F comprises a conductive cylinder 1 through which the fluid flows, a coaxial electrode 2, and a high voltage source S connected between them to produce a corona discharge. Particles in the fluid absorb charges which are proportional to their surface areas and which correspondingly modify the current flowing in the external circuit, which is indicated on a meter 3. A low voltage source 4 and a variable resistor 5 are shunted across the meter to enable a zero reading to be obtained in the absence of particles.
Patent GB-440709-A (GB)
Title: Improvements in automatic telephone selectors
IPC: H01H67/12
Filed: 1934-10-19
Abstract: 440,709. Automatic exchange switches. BRANDER, B. J., 10, Dannemoragatan, Stockholm. Oct. 19, 1934, No. 17291 /35. Divided out of 440,678. Drawings to Specification. [Class 40 (iv)] In a panel-type selector driven by an individual electric motor, brush selection and line selection are effected by rotating the motor in opposite directions, the motor armature being geared to a slide-member which has a one-way coupling to a further slidemember carrying the brushes. The invention is described with reference to a selector identical with that described in Specification 440,678.
Patent GB-497657-A (GB)
Title: Improvements relating to the securing of the cylinder heads of engines
IPC: F02F1/04
Filed: 1937-06-22
Abstract: 497,657. Cylinders. HIRTH-MOTOREN GES. June 22, 1937, No. 17311. Convention date, June 23, 1936. [Class 122 (i)] [Also in Group XXVII] A cylinder head is secured by two bolts 5 of U-form embracing and bearing directly on the head. The bolts may be parallel or may cross each other, and are secured to the crank case 3 by nuts &c. 8. Cooling ribs 11 on the head may be curved as shown.
Patent GB-897673-A (GB)
Title: Processes for closing the ends of thin walled tubes such as cartridge cases
IPC: F42B33/12
Filed: 1959-05-21
Abstract: 897,673. Practice ammunition. FABRIQUE NATIONALE D'ARMES DE GUERRE S.A. May 21, 1959 [June 4, 1958], No. 17334/59. Class 9(1). A cartridge case for practice ammunition is made to simulate a live round, the forward end 2 being folded and then pressed to an ogival shape. A first tool used to produce the folds 3, 4 has three pins projecting into its interior, the pins being arranged around a circle at points 120 degrees apart. The second tool has an ogival cavity and is used to flatten the folds produced by the first tool. The dummy projectile may be made separately from the cartridge case and welded thereto before closure. The powder charge may be held near the percussion cap by a combustible tamping such as nitrated paper.
Patent GB-1140255-A (GB)
Title: Irradiation process and apparatus
IPC: G21F5/015
Filed: 1966-04-21
Abstract: 1,140,255. Irradiation apparatus. SAINTGOBAIN TECHNIQUES NOUVELLES. 21 April, 1966 [21 April, 1965; 22 March, 1966], No. 17527/66. Heading H5R. Irradiation apparatus for transferring an object by a field force, e.g. gravity, magnetic force or acceleration, between the interior and exterior of a shielded irradiation chamber comprises an elongated body 10 of radiation shielding material supported on a shaft 14 passing through its centre of gravity and about which it can rotate. Within the body are two cylindrical cavities in communication with, and at right angles to, each other. The first cavity contains a rotatable drum 24 provided with a radial cavity 28 for containing the object to be transferred and it leads to the second irradiation cylindrical cavity 32, or an external opening 29, as the drum rotates. As shown the drum 24 is supported on a shaft 26 has attached thereto, on the outside of the shielding material, a drum driving pinion (42) in mesh with a spur wheel (44) on the body rotating shaft 14, see Fig. 3, not shown. The pinion (42) may be disengageable from the shaft 26 by a means (38) so that the drum 24 may be rotated by a hand crank (60). The driving pinion may have half as many teeth as the spur wheel. The drum cavity 28 may be provided with a liner 37 for inserting or removing the object to be irradiated or the source. The shielding body 10 may have openings to the second irradiation cavity which are closed by removable plugs (8) as shown in Fig. 9. The radiation sources may be attached to these plugs. The second irradiation cavity 32 may be adapted to receive radiation sources of different shapes, e.g. rods or cylinder 34. The sources may be adapted to correspond to a particular type of container, e.g. single and multiple containers arranged in and around the source respectively. The containers may be rotated by a clockwork mechanism (Fig. 13). The radiation source may be surrounded by annular chamber 35 containing helical tubes 36 through which cooling or irradiation fluids may be flowed. The second irradiation cavity 32 may connect to the exterior of the body via passage (66, 68, Fig. 8) in drum 24 which in this case registers with another opening in the shielding body when the drum occupies a predetermined position. Instruments may be passed through this passage using flexible manipulator (70). Operation.-The object is placed in the drum cavity 28 which is in such a position in relation to the field force that the object is in a stable position, e.g. horizontal (Fig. 4). The body 10 is then rotated with the drum 24 being rotated relative to the body (e.g. by the above 2 : 1 spur and pinion) so that the drum cavity 24 registers with the second irradiation chamber 32, Fig. 2, so as to pass the object to chamber 32. The object is removed by rotating the body to return the object to the drum cavity then rotating the cavity to register with the external opening either by crank (60) after disengaging the spur and pinion, or by rotating the body.
Patent GB-163272-A (GB)
Title: Improvements in neutralising oils and fats
IPC: C11B3/06
Filed: 1920-06-28
Abstract: Fats and fatty oils are freed from fatty acids by treating a solution in carbon-disulphide or volatile hydrocarbon with twice the weight of anhydrous carbonate theoretically necessary to neutralize the acids, and filtering off the dry soap produced.  According to the Specification as open to inspection under Sect. 91 (3) (a) the invention also comprises the employment of anhydrous alkali or alkaline earth in place of aqueous solution. This subject-matter does not appear in the Specification as accepted.
Patent GB-152427-A (GB)
Title: An improved process for colouring wood grey or black
IPC: B27K5/02
Filed: 1919-07-14
Abstract: 152,427. Slade, R. E. July 14, 1919. Wood, treating with liquids.-In colouring wood black or grey by means of a solution of iron and a solution of tannin, the wood is dried between the successive impregnations and is finally treated with ammonia or other alkali. Logwood extract may be used instead of or in addition to tannin to modify the colour. Impregnation may be effected with the aid of vacuum and pressure, and the process may be carried out in the cold or with the application of heat.
Patent GB-1065355-A (GB)
Title: Methods of forming phosphor screens
IPC: H01J9/22
Filed: 1964-04-29
Abstract: In the process of preparing a luminescent screen by depositing a phosphor through a silicate-containing liquid layer and then removing the liquid, a layer of carbon dioxide gas is introduced above the liquid so that, when the liquid is removed, the deposited phosphor layer comes into immediate contact with the gas; the carbon dioxide interacts with the silicate to precipitate a hydrated silica in the inter-granular spaces of the deposited phosphor, and this prevents "avalanching" upon decanting the liquid.  In the example, the liquid is a solution of potassium silicate with barium nitrate. After decanting, a thin volatilizable organic film is deposited on the phosphor, an aluminium layer evaporated on to the organic surface, and the envelope baked to volatilize the organic film.
Patent GB-219696-A (GB)
Title: Improvement in cable telegraphy
IPC: H04L17/12
Filed: 1923-03-29
Abstract: 219,696. Western Union Telegraph Co., (Assignees of Benjamin, G. R., and Angel, H.). Oct. 23, 1922, [Convention date]. Type-printing telegraphs; curbing at transmitter.-In an automatic transmitter for a synchronous type-printing system, of the kind in which reciprocable pins, co-operate with transverse rows of tape perforations, each row representing code character, to actuate a pole-changer connected to the line, the pins and the perforations are relatively staggered, and the pins are reciprocated at uniform speed in unbroken succession. The pins 14 are attached to levers 16 held up by springs 18 against levers 20 which are operated successively against the returning action of springs 23 by cams 25 equally spaced an a shaft 10 driven by a phonic wheel PW. A pivoted table 32, held against the upper surfaces of the levers 16 by a spring 34, carries the polechanger PC movable between contacts 30, 31 to transmit marking and spacing impulses to the line relays through contacts 38, 39. These impulses are curbed by cams on the periphery of a disc 47 on the shaft 10, the spaces between the cams allowing the contacts 38, 39 to separate. The subject-matter of the Specification as open to inspection under Sect 91 (3) (a) is identical with that of Specification 205,783, similarly open to inspection.
Patent GB-1507794-A (GB)
Title: Haymaking machine
IPC: A01D78/12
Filed: 1976-05-03
Abstract: 1507794 Haymaker KUHN SA 3 May 1976 [5 May 1975 28 Oot 1975] 17961/76 Heading A1F The working tool carrier arms 13 of a haymaking machine pivotally mounted on one or more rake heads 8, 9 (Fig. 5) via support bearings 15 and guided via control cranks 16 having rollers 17 which run in a guide cam 18 are provided with an articulation between the control cranks and the arms such that the angle between 'the axes of the control cranks and the arms varies with transposition of the arms from the windrowing to the tedding position and vice versa while the rollers of the control cranks remain in engagement with the guide cam. In the windrowing position (Fig. 2) the axes 21 of the carrier arms form an angle of about 90‹ (seen from above) with the axes 20 of the respective control cranks and movement of the roller in the cam causes oscillation of the carrier arm about its own axis. In the tedding position (Fig. 6) the axes of the carrier arms and the axes of the control cranks form an angle of about 180‹ (seen from above) and movement of the roller in the cam is not transmitted to the arm. The diameter of the trajectories of the tines 14 is increased when the machine is in the tedding position to reduce the space between the trajectories of the tines of two adjacent rake wheels, to the point of overlap if required.
Patent GB-1509424-A (GB)
Title: Heat exchangers for heating air
IPC: F24H3/00
Filed: 1975-04-30
Abstract: 1509424 Heat exchanger for heating air AIRFLO (PRIVATE) Ltd 30 April 1975 18008/75 Heading F4S Air is heated as it passes over fins 12 radially projecting from a cylindrical combustion chamber 5. The combustion chamber is surrounded by cylindrical sheaths 13 and 17 and the air flow is as indicated by arrows 19 and 22. The combustion chamber may be adapted to burn solid or fluid fuel. As shown, the combustion chamber has stoke hole doors 6 and grate 7. Exhaust gases from the combustion pass through an outlet throat 8, an annular passageway and a discharge port 10. The exhaust gases (as they pass through the annular passageway) pre-heat the air as it. passes from an opening 18 through a preheat chamber 9 towards the fins 12. The heated air leaving the fins passes through a chamber 14 and outlet 16. Forced draft arrangements (not shown) are provided for the air.
Patent GB-120896-A (GB)
Title: Improvements in Vacuum Breakers for Liquid Condensers.
IPC: F01B25/00
Filed: 1918-11-04
Abstract: 120,896. British Westinghouse Electric & Manufacturing Co., (Assignees of Ehrhart, R. N.). Nov. 6, 1917, [Convention date]. Ball and float valves. - A vacuum-breaking valve for use with liquid condensers has the actuating float arranged in an auxiliary chamber into which water overflows through a port below the steam inlet from the main chamber of the condenser. The valve 9 is directly connected to a float 8 which nearly fills the auxiliarv chamber 5 so that a small volume of water overflowing through the passage 7 completely opens the valve. The chamber 5 is drained through a pipe 14 so proportioned as to empty the chamber in about 30 seconds. The pipe 14 is fitted with a check valve 15 to prevent back flow into the auxiliary chamber, but this may be dispensed with if the drain pipe is connected to the air pump of the condenser system.
Patent GB-873732-A (GB)
Title: Wellpoint
IPC: E02D19/10
Filed: 1959-05-28
Abstract: 873,732. Boreholes. MORETRENCH CORPORATION. May 28, 1959 [June 24, 1958], No. 18216/59. Class 85. [Also in Group IX] In a wellpoint the screen 16 is of Dutch weave having warp wires 44 of a diameter which is in the order of 75% greater than the diameter of the weft wires 46. The weft wires are lightly crushed together, and extend parallel to the axis of the wellpoint. The screen is supported by a plate 22 having perforations 40. When water for jetting is supplied through the pipes 12, 20 a ring valve 26 is held by water turbulence against ribs 42 to almost seal the annulus between the jetting head 14 and the pipe 20 so that water does not flow through the screen. When water is drawn through the screen a wooden ball 28 having an elastic covering closes an aperture 38 to prevent flow through the jetting head. Specification 872,180 is referred to.
Patent GB-279170-A (GB)
Title: Improvements in or relating to wrapping machines
IPC: B65B11/54
Filed: 1926-07-22
Abstract: 279,170. Gibbs, Ltd., D. & W., White, J. C., and Clark, W. R. July 22, 1926. Packeting by wrapping-up.-Relates to machines for wrapping cylindrical or disc-shaped tablets to form packets such as are shown in Fig. 1. Circular sheets of " cellophane " or other suitable wrapping material are placed by hand or fed in any suitable manner against arcuate stops 6 on a feed-table 1, Fig. 2, which positions them concentrically with relation to apertures 3. 'Tablets are placed on the sheets so as to register with the apertures 3. The table rotates to bring the tablet and wrapper beneath a plunger 59, Fig. 9, which descends and presses them past depending flanges 4 and on to a plunger 55, Fig. 3. The wrapper and tablet are now in the form shown in Fig. 11. Pleating members 29, Figs. 3 and 6, of which there are sixteen radially disposed in a guide head 26, move inwards to form the pleats shown in Fig. 1, each member consisting of two blades 29, spaced apart and set at a slight angle, and mounted on a slide 28. The members are actuated from a reciprocating cam 47 by links 45, 39. The plunger 59 descends again so that a resilient face 60 holds the pleats in position while the members 29 withdraw. The plungers 55, 59 now both rise and leave the enclosed tablet within the flanges 4, by which it is conveyed over a disc 7 and table 2 until it falls on a travelling belt 9. During the travel to that belt, a label may be affixed.
Patent GB-474476-A (GB)
Title: Improvements in the manufacture and production of pure soaps
IPC: C11D13/02
Filed: 1936-07-02
Abstract: Soaps, free from unsaponifiable constituents, are made by treating a mixture of fatty acids and unsaponifiable constituents with alkali, and extracting the saponified product with an organic solvent, after removing some of the unsaponifiable constituents by distillation. Suitable initial materials are waxes, fatty oils such as sperm oil, or the oxidation products of hydrocarbons such as paraffin wax, middle oil, hydrogenated oils.  The oil or fatty acid mixture is saponified with caustic soda or potash, ammonia or amines such as methylamine, diethylamine or ethanolamine.  The saponification product may be distilled under reduced pressure, with or without steam.  Alternatively the aqueous saponified mixture is heated to 200 to 350 DEG  C. under a pressure of 50 to 150 atmospheres in a closed vessel, and then the pressure is released, e.g. by spraying the mixture, when the steam carries off the unsaponifiable constituents. The soap residue is then extracted preferably in finely divided form, with benzine, benzene, cyclohexane, acetone, methylethyl ketone, methyl formate or acetate, propyl-, isopropyl-, butyl-, or amyl-alcohol, or cyclohexanol, ether, nitrobenzene or pyridine, leaving a colourless soap.