baber/WOPTO huggingface dataset:
Patent GB-1429294-A (GB)
Title: Fixed step and variable transmission
IPC: F16H47/04
Filed: 1972-07-20
Abstract: 1429294 Variable-speed gear JG GILES 10 July 1973 [20 July 1972] 33924/72 Heading F2D A transmission comprises an input shaft 1 connected to two friction clutches 3, 4, an output shaft 20 connected to a sun-wheel 19 of an epicyclic train, a pump 6 hydraulically connected with a motor 7, two further sunwheels 9, 12 coaxial with the wheel 19, and a planet carrier 15 having a plurality of spindles 16 on each of which is mounted a plurality of planet gears 17, 18, the arrangement being such that the two sun-wheels 9, 12 and the planet carrier are drivable by the input shaft in various combinations through the clutches and the hydraulic pump and motor. Instead of the bevel epicyclic train shown, in which the sunwheels 9, 12 are driven respectively by the clutches 3, 4 through shafts 5, 10 and the planet carrier 15 is driven by the motor 7, a spur epicyclic train, Fig. 4 (not shown), may be employed in which the planet carrier is driven by the shaft 5 and carries a plurality of spindles each of which has three planet wheels meshing respectively with sun-wheels on the output shaft, on the shaft 10, and on a sleeve connected to the motor 7. The pump, whose rotor 11 is driven by the shaft 10, is of the slipper vane type, and its displacement is adjustable manually by a lever 44. The displacement of the motor, also of slipper vane type, is adjustable hydraulically by fluid supplied to chambers 40 by an automatic controller 45 supplied by a pump 2 and subject to control by the lever 44 and input and output speeds. With the pump 6 set at zero displacement and the motor at maximum positive displacement, neutral is obtained with both clutches released, and reverse with the clutch 4 engaged. A low range is operative with the clutch 3 engaged, the motor set at maximum positive displacement, and the pump displacement varied manually between a quarter negative and maximum positive. A drive range is operative with the clutch 3 engaged, the pump set at maximum positive displacement and the motor displacement varied automatically between a quarter negative and maximum positive. For direct drive both clutches 3, 4 are engaged and both the pump and motor are set at zero displacement.
Patent GB-1394219-A (GB)
Title: Pipe joints
IPC: F16L21/00
Filed: 1971-07-20
Abstract: 1394219 Pipe couplings TAC CONSTRUCTION MATERIALS Ltd 19 July 1972 [20 July 1971] 33963/71 Heading F2G A sealing ring 7, supported on a plain pipe end 8, is introduced into a plastics socket 3 and rolled along into a groove 5. The socket may be of unplasticized P.V.C. or polypropyplene or of a copolymer of these. The socket may be preformed and subsequently shrunk on to the pipe end 4, with the interpostion of a sealing ring 6, or it may be shaped while being shrunk on to the pipe end. It may alternatively or additionally be bonded to the pipe end 4 by means of adhesive (11, Fig. 2, not shown).
Patent GB-862559-A (GB)
Title: A parking time indicating means
IPC: G07C1/30
Filed: 1958-10-24
Abstract: 862,559. Parkins tickets. ERIKSSON, M., and WREDE, F. Oct. 24, 1958 [Oct. 24, 1957], No. 34048/58. Class 73. An indicating ticket for a parked vehicle arranged to be provided with a non-alterable marking indicating the time of parking or the time of expiration of a parking period comprises a plurality of circles or frames 2, Figs. 1, 2, surrounding areas whereon the marking is to be made, the areas consisting of a metal foil 8 having a plane, light-reflecting surface and arranged to be indented or perforated at the time of parking to constitute the marking. As shown in Fig. 2, a sheet of tin or aluminium foil 8 is interposed between an apertured facing sheet 10 and an unperforated backing sheet 11 but in a modification apertures are provided in the backing sheet and are aligned with the apertures in the facing sheet.
Patent GB-915539-A (GB)
Title: Improvements in or relating to ironing tables
Inventor: JOSEPH DAVID ALEX
IPC: D06F81/14
Filed: 1960-10-05
Abstract: 915,539. Ironing-boards. HOME-EASE Ltd. Oct. 4, 1961 [Oct. 5, 1960], No. 34068/60. Class 138 (2). An ironing-board or sleeve-board has a clamping frame 15 for holding an ironing pad 22 to the board, the frame 15 being moved into the clamping position by lever means 18.
Patent GB-173726-A (GB)
Title: Improvements in mechanical stokers for furnaces
IPC: F23K3/12
Filed: 1920-10-01
Abstract: 173,726. Johnson, J. Y., (American Engineering Co.). Oct.. 1, 1920. Mechanical stoking; grates.-An inclined underfeed stoker of the type described in Specification 173,596 comprises means for removably holding a series of extension grates in position. The lower and rear edge of the extension grate 50 is hooked around an extension 51 of the slidable structure 55 and the forward edge is downwardly flanged to enter a groove in the part 51<a>. Plates 24 removably secured by keys 30<a> to extensions 28 uf the plates 25 prevent displacement of the grates 50.
Patent GB-1271643-A (GB)
Title: Improvements in or relating to inductive loop detector systems
Inventor: EDWARDS JOHN
IPC: G08G1/042
Filed: 1968-07-18
Abstract: 1,271,643. Road traffic detectors. PLESSEY CO. Ltd. 16 July, 1969 [18 July, 1968], No. 34240/68. Heading G4Q. A road traffic detection system comprises a number of detector circuits, each one being as shown in the drawing but operating at different frequencies from each other to avoid unwanted signals due to coupling between the inductive detector loops 3. Each circuit comprises an oscillator 1 coupled to a buried cable detector loop 3 tuned to the oscillator frequency. The passage of a vehicle over the loop alters its impedance to produce an output from a phase discriminator 4 which is amplified at 7 to operate a relay 8. To avoid unwanted signals at the outputs of the amplifiers 7, the difference between the operating frequencies of any two of the oscillators 1 is arranged to be outside the frequency response range of the amplifiers. As described, this frequency difference is arranged to be above the upper limit of the response range.
Patent GB-509396-A (GB)
Title: Improvements in or relating to ships' logs
IPC: G01P5/06
Filed: 1937-12-10
Abstract: 509,396. Ships' logs. CHERNIKEEFF, B. Dec. 10, 1937, No. 34273. [Class 97 (ii)] In a ship's log or the like means are provided whereby the hydrostatic pressure at the place where lubricant may be expelled from the log mechanism when the latter is submerged is greater than that tending to expel the lubricant and the submerged motor part of the log is so arranged that when the log is in motion a suction effect is developed to expel the lubricant only when the log is in motion. As shown, the spindle 6 of the impeller 3 is supported in the casing 5 by a pair of adjacent ball races and is geared to the transmission shaft 38. A clearance between the spindle 6 and the casing 5 ensures that seepage of oil along the spindle 6 will take place at a constant predetermined rate under the influence of suction created by the flow of water past the hollow impeller boss 21. The casing 5 is carried at the end of a tube 4 mounted in the outer casing 1 and enclosing an internal tube 30 and the transmission shaft 38. The hydrostatic pressure of the. water is communicated through tubes 23, 25, to water in the upper part of a tube 24 and then through bellows 27 to oil in the lower part of the tube 24, from whence the pressure is transmitted through apertures 28, 29, cylirdrical passage between the tubes 4, 30, aperture 32, and down the oil-filled tube 30 to the interior of casing 5. The transmission shaft 38 drives a shaft 50 through change speed gearing comprising a pair of conical pulleys 44, 46 and an endless belt 45 which may be adjusted in position by the screw 52. The shaft 50 carries two arms 54, 55. The arm 54 operates contacts 56 controlling a step-by-step motor 63 which drives a counter 82 and a centrifugal device 65 having an axially movable member 66. The latter drives speed indicating pointers 79, 74, through the mechanical link 77 and the pneumatic bellows 68, 70 respectively. The arm 55 operates the transmission bellows 59, 83, driving the counter 86. Specification 437,829 is referred to.
Patent GB-404951-A (GB)
Title: Improvements in or relating to the art of closuring jars, bottles, cans and the like
IPC: B65D41/02
Filed: 1932-06-14
Abstract: 404,951. Capsules for bottles. SUTAX, Ltd., and SUTGLIFFE, T., 10, Charterhouse Street, Holborn Circus, London. June 14, 1932, No. 34405/33. Divided on 403,627. [Class 125 (iii).] A jar &c. 1 has vanes 2 at the mouth thereof which co-operate with a compressible packing 6 in the skirt 4 of a capsule 3 to form a seal. The skirt 4 may be deflected inwardly at 7 just below the zone of the vanes, to compress the packing. A recess 12 may be provided opposite the zone 7. The cap may be formed from compressible material and the skirt may be reinforced by a band of tin-plate. The vanes may be situated on the interior of the neck for co-operation with an internal stopper of similar construction. Specification 255,632, [Class 125 (iii), Stoppers &c.], is referred to.
Patent GB-1150279-A (GB)
Title: Improvements in Ball Joints.
Inventor: LANGEN VIKTOR
IPC: F16C11/06
Filed: 1966-08-02
Abstract: 1,150,279. Ball and socket joint. V. LANGEN [trading as A. EHRENREICH & CIE]. 2 Aug., 1966 [6 Aug., 1965], No. 34527/66. Addition to 1,142,791. Heading E2F. In a ball joint of the type described in Specification 1,142,791, wherein a ball head of a ball pin is movably supported in an elastic casing which is snap-fitted into a rigid casing ring for reinforcement of the casing walls so that they retain the ball head, the casing is modified by lubricating recesses formed in its bearing surface. A joint pin 1 with a ball head 2 in a hollow casing 3 of elastic plastics material such as polyurethane, emerges through a pin aperture 6, the ball being retained by reinforcement of the casing walls by a snap fitting, rigid metal casing ring 4, seated in an annular groove 7. The closed end 8 of the casing is thickened, and has a lubricant chamber 9 and grooves 10 extending therefrom, the chamber and grooves being open to the bearing surface of the ball head. The casing ring is provided with a lubrication nipple 13 communicating with the grooves through a tube. Surrounding the ball, at its equator, are one or more inserts 11 comprising rings of a rigid plastics material having good sliding properties; they are suitably incorporated into the casing during its manufacture, being positioned in the mould prior to injection of the casing material. Angular movement of the joint pin may be restricted by a spigot 14 projecting into the chamber 9. The casing ring may be formed on a supporting member (not shown) to provide a mount for the joint; when angular movement of the pin is greater in one direction than in others, necessitating a pin aperture elongated in that direction, the casing may be prevented from rotating within the casing ring, (and hence relative to the mount), by a rib 15 in the ring which engages in slot in the casing wall. A sealing bellows 12 is formed integrally with the casing, and is preferably more flexible than the latter; this may be achieved by use of a different plastics material, injected into the mould during manufacture, or by use of one material for both case and bellows with subsequent treatment, e.g. heat treatment, of the bellows portion to render it flexible.
Patent GB-736666-A (GB)
Title: Drying of chlorine
IPC: C01B7/07
Filed: 1953-12-11
Abstract: Moist chlorine is dried by cooling and bringing into contact with activated alumina, the alumina being subsequently regenerated by treatment first with cold air to remove chlorine, and then with heated air; the alumina is cooled before being used to dry more moist chlorine.  Deterioration of the alumina by contact with hot moist chlorine is thus <PICT:0736666/III/1> avoided.  In the apparatus shown, moist chlorine from electrolysis cells enters at 5 and passes through precooler 1 and cooler 2; water circulating through cooler 2 is cooled by brine in heat exchanger 9 and the ratio of flow of brine is automatically regulated by valve 14 operated by control means 12, 13 according to the temperature of the chlorine leaving cooler 2. The chlorine, at a temperature of say 10-12 DEG  C., then passes via pipe 15 to one of the drying towers 18, 18a filled with activated alumina, and is removed at 21.  To regenerate the alumina, cold air is passed through the drying tower not in use by means of fan 27 until all the chlorine is removed and then the air is heated, say to 200-220 DEG  C., by bringing steam heater 30 and/or electric heater 31 into operation.  Before being used again the alumina is cooled to 30 DEG  C. by circulating air through the drying tower and cooler 35 by means of fan 34.  The process removes also organic impurities from the chlorine.
Patent GB-907348-A (GB)
Title: Improvements relating to the reactivation of nickel catalysts and use thereof in a selective hydrogenation process
IPC: C10G45/36
Filed: 1959-10-13
Abstract: A supported nickel metal catalyst which has been used in a process for the selective hydrogenation of gasolines from thermal cracking processes operated at above 593 DEG C., is reactivated by passing a stream of hydrogen containing gas at above 150 DEG C. without a previous catalyst oxidation step.  Catalyst supports specified are oxides of Al, Ca, Sr, Ba and Mg; CaCO3, sepiolite, diatomaceous earths and firebrick derived therefrom, SiC, C, quartz and pumice. The hydrogenation process in which the catalyst is to be used is one to reduce the gum forming tendency of gasolines.  Specification 899,652 is referred to.
Patent GB-431472-A (GB)
Title: Improvements relating to rotary pumps
IPC: F04C14/28
Filed: 1933-12-09
Abstract: 431,472. Securing worm-wheels on shafts; breaking - pieces for relieving strain. SAVERY, W. E., and RODAWAY, E. O., Newcomen Works, Bracebridge Street, Birmingham, and SAVERY PUMPS, Ltd., T., 11, Queen Victoria Street, London. Dec. 9, 1933, No. 34735. [Classes 80 (ii) and 80 (iv)] [See also Group XXVI] The spindle b of a rotary pump is driven by a member which is supported independently of the spindle to prevent end and lateral thrusts being given to the spindle. The Figure shows a driving (worm) wheel c coupled to the spindle b by means of a bar which has a weakened centre portion breakable under a heavy torque. The end hole in the wheel c is closed by a metal disc k, initially concave, but driven in to engage an undercut slot as shown.
Patent GB-605412-A (GB)
Title: Improvements relating to porous materials
IPC: H01M50/429
Filed: 1945-12-21
Abstract: Micro-porous materials suitable for separating plates in a lead-sulphuric acid battery and also suitable for dust-filters are manufactured by forming a coherent material from a composition comprising a cellulose ester containing the radicles of acetic acid and a higher homologue of at least 10 carbon atoms, said ester containing at least 0.3 radicles of the higher acid and not more than 0.3 hydroxyl groups per glucoside unit, and a substance insoluble in the ester but capable of being extracted by a liquid which has no action upon the ester.  Suitable esters are cellulose acetate-stearate or acetate-laurate.  Preferably, the ester is an acetate-stearate containing at least 0.35 stearyl groups and at least 2.3 acetyl groups per glucoside unit.  The substance to be extracted is preferably a small grain starch such as wheat or maize starch. Other materials which may be used in place of starch are water-soluble dextrins and gums, water-soluble cellulose derivatives such as methyl cellulose, water-soluble high polymers of molecular weight at least 10,000 (as determined by osmotic pressure methods) such as polyvinyl alcohol and polyacrylic acid.  The polymer may be present in the proportion of 100-400 per cent of the weight of the ester.  The material is preferably moulded by hot compressive moulding, but may be made by other methods such as extrusion. Plasticisers such as triphenyl phosphate and tricresyl phosphate may be present.  A non-alkaline aqueous liquid such as battery acid or sulphuric acid of concentration less than battery acid may be used for the extraction.  In an example, a solution is made by mixing 20 parts of cellulose aceto-stearate containing 38.1 per cent combined acetic acid and 30.5 per cent combined stearic acid, 4 parts of triphenyl phosphate, 70 parts of ethanol and 28 parts of acetone (all parts being by weight) in a closed vessel and warming.  The hot solution is mixed with 96 parts of maize starch, and the mixture ground thoroughly and the resulting powder dried substantially free from acetone and ethanol.  Plate separators are moulded from this powder for fifteen minutes at 190 DEG  C. under 2000 lbs. per sq. inch pressure.  The plates are immersed in 10 per cent sulphuric acid for 24 hours to remove the starch, washed and dried.
Patent GB-375703-A (GB)
Title: Improvements in hydraulically characterised apparatus adapted to start, to stop, to transmit, to vary the speed of, and to brake, the motion of rotating shafts
IPC: F16D31/08
Filed: 1931-12-18
Abstract: 375,703. Fluid-friction brakes. WARD, P. and WARD, M., Woodcote, Lelant, Cornwall. Dec. 18, 1931, No. 35044. [Class 103(i).] An hydraulic brake or clutch comprises a pinion A secured to a shaft which passes freely through the wall of a casing C containing liquid and pinions B rotatably carried by the casing and meshing with the pinion A. When used as a brake, the casing C may be fixed and the shaft of the pinion A be connected to the part to be braked or this shaft may be fixed and the casing be rotated ; in the latter case the casing may form part of the hub of a wheel. The braking action is due to members D pivotally mounted about the axis of the pinion A so as variably to restrict the flow of the liquid circulated by the pinions. The members D may be operated manually or automatically ; in the latter case they are connected to weights G, Fig. 3, moved outwards by centrifugal force against the action of springs H. The weights, when in their inner positions, rest against stops M, and their inner faces form partial obstructions to the movement of liquid.
Patent GB-917578-A (GB)
Title: Acetylenic thiophosphoric esters
IPC: A01N57/14
Filed: 1961-09-29
Abstract: The invention comprises compounds of formula <FORM:0917578/IV (b)/1> where R1 and R11 are different alkyl groups containing 1 or 2 carbon atoms and R1 is methyl or ethyl.  They may be prepared by reacting a compound <FORM:0917578/IV (b)/2> where Me is Na or K with a compound <FORM:0917578/IV (b)/3> p  where Hal is halogen, preferably bromine. A solvent may be used. The products are pesticides.ALSO:Pesticidal compositions comprise compounds of formula <FORM:0917578/VI/1> where R1 and R11 are different alkyl groups containing 1 or 2 carbon atoms, and R1 is methyl or ethyl, together with a carrier.  Other pesticides or plant nutrients may be present.
Patent GB-373594-A (GB)
Title: A new or improved process for freeing fibrous material from incrusting substances
IPC: D21C9/12
Filed: 1930-11-21
Abstract: 373,594. Retting. GLATZ, E., GLATZ, A., and GLATZ, E., (trading as GLATZ, J.), Niedenfels, Rheinpfalz, Germany. Nov. 21, 1930, No. 35098. Convention date, Jan. 8. Void [Published under Sect. 91 of the Acts]. [Class 120 (i).] Incrusting substances are separated from fibres by first treating with an alkali bleaching lye with or without resin dissolving substances and swelling media, and then adding dilute acid with constant pH measurement until a weak acid reaction is given and the chlorine so freed from the bleaching lye has converted the remaining lignin into the water or alkalisoluble form. The fibres may advantageously be subsequently treated with weak alkali and a bleaching agent. In an example, air dried fibre is placed in a Hollander with water and heated to 25-30‹ C. Sufficient sodium hypochlorite is added to convert all the lignin into the alkali-soluble form. After half an hour dilute acid is added until the pH value is 1-2, and the mass allowed to stand for one hour. The calculated quantity of dilute caustic soda to give an alkali content of 2 per cent is added, the whole allowed to stand for another hour, and the material finally washed. If the material has a weak bleaching capacity, half the chlorine may be added, a pH value of 1-2 obtained as above, the second half added, and the process repeated.
Patent GB-194645-A (GB)
Title: An improved moulding machine for foundry use
IPC: B22C15/10
Filed: 1922-05-20
Abstract: 194,645. MacDonald & Son, Ltd., J., and Neesham, J. B. May 20, 1922. Moulding - machines. - The lifting-ram, for pattern drawing, is operated by pressure liquid in such manner that a slow start with a gradual acceleration is obtained. The device is described as applied to a machine with a lifting ram F concentric with, but separated from, an annular jarring-ram D by a sleeve E. The liquid, preferably oil, is forced by air admitted at 23 from a chamber B through a pipe 5 and adjustable valve K terminating near the reduced end of the ram F. This end is tapered to provide for increased rate of flow as the ram rises. The bottom of the ram seats upon and closes an exhaust valve 15<a> which owing to the air pressure acting through ports 19 on its flanged end 14 rises with the ram until ports 16 are closed. On exhaust of the air from the chamber B a spring 21 retracts the valve opening the ports 16 and providing a free passage for the liquid, on the fall of the ram, additional to the restricted passage through the valve K. In a modification, the valve K terminates opposite a taper groove in the ram.
Patent GB-1317784-A (GB)
Title: Rectifier columns
IPC: H02M7/04
Filed: 1970-07-21
Abstract: 1317784 Rectifier construction; HVDC transmission BROWN BOVERI & CO Ltd 21 July 1970 [23 July 1969] 35223/70 Heading H2F A column of series-connected rectifiers 2 contained in a coolant vessel has fixed contacts 4 contained within the vessel and movable contacts 5 arranged to make monitoring connections with the fixed contacts to terminals outside the vessel 3. An interlock is provided to prevent testing when the column is energized. The rectifier columns may be part of a series/ parallel arrangement of thyristors in a HVDC transmission system and may contain centretapped inductors 10 to limit the rate of change of current, which are connected to ring contacts disposed on insulating tubes 13. When the column is de-energized, individual thyristors 2 may be tested by determination of resistance or current-voltage characteristics by means of apparatus connected via movable contacts 5. Figs. 2 and 3 (not shown) relate to an arrangement having a vertical column of knife switch blades arranged to be rotated so as to engage fixed contacts connected along the column.
Patent GB-634377-A (GB)
Title: Radio receiver with clock controlled switch
IPC: G04C23/00
Filed: 1946-11-28
Abstract: 634,377. Radio receiving apparatus. COLE, Ltd., E. K., MARTIN, A. W., and HUNT, H. Nov. 28, 1946, No. 35264. [Classes 40 (v) and 40 (vi)] In a clock-controlled mains-energized radio receiver, an alarm is sounded during the warming up period of the rectifier following switching-on. As shown, a clock-controlled contact N operates at the pre-determined time to apply power to the mains transformer T and via contacts A, B to a tone source S. When the rectifier valve V has warmed sufficiently the current passing through relay coil R connected to the centre tap of the H.T. transformer operates contact A, disconnecting the tone source and providing a holding circuit across contact N. At a second predetermined time the receiver is switched off by clock-operated contact F. The tone source may be a buzzer or an oscillator connected to the loud-speaker. The alarm also operates on failure of the receiver H.T. current.