baber/WOPTO huggingface dataset:
Patent GB-1220040-A (GB)
Title: Improved hydrocarbon separation process
IPC: B01D15/00
Filed: 1969-05-28
Abstract: 1,220,040. Vapour phase separation of hydrocarbon mixtures. TEXACO DEVELOPMENT CORP. 28 May, 1969 [10 June, 1968], No. 26893/69. Addition to 1,140,486. Heading B1L. [Also in Division C5] Straight chain C 10 -C 20  hydrocarbons are separated from a petroleum fraction e.g. heavy kerosene and gas oil fractions, by a substantially isothermal vapour phase process comprising introducing the petroleum fraction into an adsorption zone, containing a molecular sieve (preperably Type 5A) at elevated temperature and pressure, e.g. 575-675F and 10-50 psig, to effect adsorption of the straight chain hydrocarbon components, the adsorption effluent being withdrawn, and the adsorption step preferably terminated when the zone has been charged with a normal paraffin overcharge of from 0.5 to 15% by weight. The adsorption zone is then depressurised, to a pressure less than that used for adsorption, suitably 0-10 psig, and purged, using a desorbing medium having a major portion of straight chain hydrocarbon having a carbon chain length 1-3 carbon atoms less than the shortest component of the feed to remove surface adsorbed components of the charge. The zone is next repressurised to a pressure 1-25 psig higher than the adsorption pressure, and desorbed by using a desorbing medium having the same composition as the medium used in the purge step, until 50-70% by weight of the adsorbed hydrocarbons, in the pores of the selective adsorbent have been removed by the desorbing medium, and the cycle is repeated sequentially. The flow of purge and desorbing medium is preferably countercurrent to the flow of feed introduced by the adsorbent.
Patent GB-675751-A (GB)
Title: Automatic control of mobile craft
IPC: G05D1/06
Filed: 1947-10-07
Abstract: 675,751. Radio navigation. BENDIX AVIATION CORPORATION. Oct. 7, 1947 [Oct. 25, 1946], No. 26956/47. Class 40 (vii). [Also in Group XXXV] In an aircraft automatic landing system the corrections are applied in accordance with the duration sense of the deviations from the beam path in both azimuth and elevation. The device is applied to the auto-pilot described in Specification 662,831, [Group XXXV], which may incorporate the automatic turn control system described in Specification 670,568, [Group XXXV]. Conventional localizer, i.e. azimuth, and glide path transmitters are employed at the landing field, each transmitter employing twin overlapping lobes modulated at different frequencies. As shown, Fig. 1, the glide path and localizer radio receivers 10, 11 on the aircraft operate the cross-pointer indicator 14. Signals are developed by the localizer and glide path computor units 59, 60 in accordance with the duration and sense of the signals of receivers 10, 11. When switch 31 is turned for localizer control the output of 11 is applied to the input of 59, and the output of the latter, together with the compass signal, is applied to the rudder and aileron amplifier channels 33, 34. With 31 operated for glide path control the output of 10 is applied to the input of 60, and the output of 60, opposed by the output of pitch take-off 42 of gyro horizon 40, is applied both to the elevator channel amplifier 52 and to the throttle control amplifier channels 71, 72. The computor units 59, 60 are of similar construction; in the localizer path computor unit 59, Fig. 6, the D.C. input is supplied from 11 to saturable magnetic device 87, Specification 647,961, [Group XXXIX], while the A.C. outputs from the unit to the rudder and ailerons are derived at the transformers 169, 172, respectively. Amplification of the A.C. output from 87 occurs at valve 110 which is so biased that it is saturated when the craft is slightly off beam, and sense discrimination at valve 117. The integration of rapid transient deviation signals is effected at the R.C. network 156, 157, 158, 159 at the grid of valve 145 while the integration of slow transients is carried out in thermal delay relays 173, 174, described in Specification 603,610, [Group XXXIX]. The integration signals are applied in series with the compass signals, at 202, to the amplifier valve 167. To prevent the craft going beyond the beams after a crossing, an anticipatory device is employed comprising tubes 441, 442 which are associated with feed-back circuits.
Patent GB-1513635-A (GB)
Title: Test data generator
IPC: G01R31/317
Filed: 1976-06-29
Abstract: 1513635 Test data generator NCR CORP 29 June 1976 [7 July 1975] 26976/76 Heading G4C [Also in Division H4] A test data generator comprises an oscillator 100 whose output is coupled to a binary counter 102, selected ones of the outputs of the counter 102 being coupled to logical circuitry 104 which produces a sequence of output signals encoded in a self-clocking code. The self-clocking code may be a MFM (modified frequency modulation) code, wherein a 1 bit is represented as a positive transition in the second half of a bit cell and a 0 bit as a positive transition in the first half of a bit cell, except when a 0 bit follows a 1 bit in which case the 0 bit has no positive transition in the bit cell. Gates 108, 110, 114, 118 and a D-type flip-flop 106 of the logical circuitry 104 produce an MFM output signal consisting of a string of 0 bits for 64 bit periods (when an output D08 of the ounter 102 is high) followed by a string of alternating pairs of 1 bits and 0 bits also for 64 bit periods (when the output D08 is low). The MFM output signal may be used to simulate synchronizing and data bytes in the testing of the reading circuits of a magnetic disc storage device. The MFM output signal is fed to logical circuitry 124 which introduces a predetermined amount of skew or jitter into the MFM output signal to produce an MFMJ output signal, this output signal representing a "worst-case" output signal particularly useful in testing reading circuits. Alternate bits of the MFM output signal are diverted by a D-type flip-flop 126 on to paths 144, 146 to produce the skew or jitter, path 144 including two signal propagation delays due to gates 130, 134 whereas path 146 includes six signal propagation delays due to components 132, 138, 139, 140, 141, 134. The difference in signal propagation delays is about 30 nanoseconds, which is greater than the skew or jitter in signals supplied by most magnetic disc storage devices. A path 150 having four signal propagation delays may be selected instead of the path 146.
Patent GB-507057-A (GB)
Title: Improvements in and relating to the preparation of impermeable corrosion resisting coatings
IPC: B05D1/10
Filed: 1937-10-05
Abstract: 507,057. Coating surfaces. LUMB, C. F. Oct. 5, 1937, No. 26977. [Class 95] Surfaces are coated by preparing rubber or a rubber compound in powder form, with or without the addition of a powdered filler, and spraying it upon the surface by means of a pistol, iri which compressed air or gas is used to eject the powder, in a stream which passes through or adjacent to a flame of sufficient temperature to melt the material or render it plastic. The powdered rubber may be mixed with powdered bitumen or bituminous compound, or with a moulding powder, such as phenol-formaldehyde. Specified fillers are calcium carbonate, lime, zinc oxide, powdered carbon, coke, silica, zinc dust, cement and ciment fondu. Copper, copper sulphate, arsenic or arsenious compounds may be added to produce an anti-fouling coating. A vulcanizing agent, such as sulphur, with or without an accelerator, may be present on the mixture, or the mixture may be ejected from. the spray pistol by means of a gas containing sulphur. Alternatively, the sprayed coating may be cold vulcanized after application. Specification 473,184 is referred to.
Patent GB-899981-A (GB)
Title: Polyethylene-coated paper and process for its manufacture
IPC: D21H19/82
Filed: 1960-08-04
Abstract: 899,981. Laminates. ZELLSTOFFABRIK WALDHOF. Aug. 4, 1960 [Aug. 11, 1959], No. 27030/60. Class 140. Coated paper impermeable to water-vapour, gas and fat, and resistant to chemicals is manufactured by attaching a biaxially stretched film of low pressure polyethylene to the paper by means of an extruded layer of high pressure polyethylene. A further coating of high pressure polyethylene may be applied to the other side of the low pressure polyethylene. The low pressure polyethylene is protected from the radiant heat of the extruder by carrying the film round the cooling cylinder of the extruder so that it encircles it by an amount subtending an angle of at least 90 degrees. The extruder nozzle is heated to 270-320 degrees for the introduction of the intermediate layer, and to 240-280 degrees for the application of the outer layer of high pressure polyethylene. Low pressure polyethylene film of width narrower than the sheet of paper may be used so that the finished material has a margin of paper coated with high pressure polyethylene, which can serve for gluing the edges of the material in the formation of pouches, paper bags, or tubes.
Patent GB-717766-A (GB)
Title: Improvements in or relating to concrete mixtures
IPC: C04B24/20
Filed: 1951-11-19
Abstract: A surface tension reducing agent is added to a hydraulic mix or to one or more of its components prior to making the mix, said agent being one or more acids or salts thereof the general formula R1 (So3 H)x or R1 R2 (So3H)x.  R1 is an aliphatic chain of 8 to 20 carbon atoms, R2 an aromatic nucleus and x a number from 1 to 3.  In addition one or more resin saponification products may be present. Typical examples of R1 (So3H)x are the mahogany acids and the compounds known as "Mersolates" obtained from aliphatic hydrocarbons by reaction with chlorine and sulphur dioxide, and saponification of the sulphachlorides.
Patent GB-302443-A (GB)
Title: Improvements in or relating to steadyrests for grinding machines
IPC: B24B41/06
Filed: 1927-10-12
Abstract: 302,443. Wade, H., (Norton Co.). Oct. 12, 1927. Guides and rests.-A steady rest for a machine for grinding cylindrical work consists of a frame 16 having pivoted thereon a work-engaging shoe 11, and slidable therein a shoe 14. The shoe 11 is moved to contact with the work 12 by a pneumatically operated piston 22 moving in a cylinder 20, and the shoe 14 is similarly moved by a piston 50. The shoe 11 is moved and adjusted by a rod 31 screwing in the piston rod 23, and the shoe 14 is moved and adjusted by a rod 54 screwing in the piston rod 52. Air is admitted to the cylinders by piping 41, 42, 70, 73 and a valve 40, so arranged that the shoe 11 is moved to contact with the work before the shoe 14 moves, and that the shoe 14 is retracted from the work before the shoe 11. The rods 31, 54 are set so that when the work is to size, the pistons engage the ends of the cylinders; whilst the work is being reduced to size, the air pressure maintains the shoes in contact with the work. Adjustment of the rods 31, 54 is limited by members 80, 81 on the piston rods, which are engaged by stop screws 84, 85 adjustably mounted on the rods. In a modification, one shoe only is employed, operated by means of a piston as described above.
Patent GB-518348-A (GB)
Title: Improvements in and relating to water heating installations
IPC: F24H1/48
Filed: 1938-09-16
Abstract: 518,348. Domestic and like water heating systems. ZENT AKT.-GES. BERN. Sept. 16, 1938, No. 27102. Convention date, Sept. 16, 1937. [Class 64 (i)] A hot water storage tank 2 communicating directly with the boiler 1 of a hot. water heating system contains a heater 4 for hot water supply, and a valve 9 in the delivery to the heating system is so controlled by a thermostat in the storage tank that it is not opened until the water in the tank reaches a predetermined temperature say 50‹C. and is not fully opened unti: the water is at a predetermined maximum temperature say 80‹C. The air supply to the furnace is controlled by a thermostat 15 in a conduit containing a mixture of boiler flow and return water.
Patent GB-323195-A (GB)
Title: Improvements in or relating to automatic steering gear
IPC: G05D1/02
Filed: 1928-09-21
Abstract: 323,195. Brown, S. G. Sept. 21, 1928. Grant of Patent opposed. Steering.-In automatic steering gear wherein the rudder alternatively occupies one of two predetermined positions to port or starboard and electrical means controls the steering engine, there is provided mechanism under the joint control of a compass and a follow-up gear which completes one of two circuits operative to move the rudder. Specifically, the mechanism includes a segmented disc and roller contacts and the contacts are drawn over to a predetermined position by electromagnets. A disc 1 having conducting segments 2 and rotated from a gyroscope and the rudder coacts with two rollers 3 that are relatively adjustable by racks 6 and pinion 5. When a roller contacts with a segment, the corresponding magnet 9 is energized and acts on an armature 10 and through a spring- controlled link 12 to pull the roller over and hold it there until the disc swings over as the ship swings in response to the rudder setting.
Patent GB-1301037-A (GB)
Title: Production of isoprene
IPC: C07C11/18
Filed: 1970-06-05
Abstract: 1301037 Isoprene BADISCHE ANILIN- & SODA-FABRIK AG 5 June 1970 [6 June 1969] 27190/70 Heading C5E Isoprene is made by dehydrating 3-methyl-3- buten 1-ol at 200-300 C. in the presence of a calcium phosphate catalyst, the 3-methyl-3- buten-1-ol having a purity of at least 85% by wt. of the total oxygen containing starting material. The reaction is preferably carried out in the presence of steam and/or an inert gas.
Patent GB-533065-A (GB)
Title: Improvements in devices for agitating liquids
IPC: B01F27/96
Filed: 1939-10-05
Abstract: 533,065. Stirring-apparatus. PERMUTIT CO., Ltd. (Permutit Co.). Oct. 5, 1939, No. 27234. [Class 86] Apparatus for .gently stirring a liquid so as to promote co-agulation of a precipitate comprises a vessel fitted with a rotary shaft fitted with blades parallel therewith and inclined so as to effect the flow of the liquid in the same direction on opposite sides of the shaft. The shaft 21 is fitted with upper and lower radial arms 27, 28 between which the blades 30 ...35 are mounted. As shown, clockwise rotation of the shaft tends to move the liquid from one side of the container 19 to the other along the line of the arms 27, 28; by these means a dead space near the shaft is avoided. In another form the blades are in three sets, an upper and lower set with the blades inclined as above, and a middle set with the blades inclined in the opposite sense. The inclination of the blades to a tangent decreases with their distance from the shaft.
Patent GB-963863-A (GB)
Title: Head boxes for foundry moulds
Inventor: GODBEHERE ALFRED SHADRACH
IPC: B22D7/10
Filed: 1962-07-17
Abstract: 963,863. Ingot moulds. FOSECO TRADING A.G. June 20, 1963 [July 17, 1962], No. 27460/62. Heading B3F. A head box comprises a number of interchangeable units 1, 2, 3 which fit one above another to constitute the head box. The units are located by interlocking male and female elements 5, 4, and have recesses 6 for lining with wedging slabs 7-9 &c.
Patent GB-485267-A (GB)
Title: Improvements in wheel suspensions for motor and like vehicles
IPC: B62D7/18
Filed: 1937-10-09
Abstract: 485,267. Road-vehicle stub - axles. GOLDSCHMIDT, M. (Leighton, J. W.) Oct. 9,1937, No. 27485. [Class 108 (ii)] [Also in Group XXXI] In a wheel suspension for motor &c. vehicles the stubaxle bracket 8 is provided with one or more threaded surfaces engaging corresponding threads on a king- pin 9 or other carrier whereby the axle is permitted a pivotal movement about a vertical axis, in particular, for steering purposes, and means are provided for tightening the bearing. In the construction shown in Fig. 1 the bracket 8 pivots directly on the threaded king-pin or vertical limb 9 of a quadrilateral suspension, and is provided with a slotted portion 17 and tightening bolt 18 to compensate for wear of the threads. Packing 19 in the slot 17 and washers 13, 15 prevent access of dirt &c. to the threads. At its upper end the limb 9 pivotally engages a threaded pin 24 mounted in the upper arm 23 of the suspension linkage.
Patent GB-1180557-A (GB)
Title: Fluid Switch and Proportional Amplifier
Inventor: RIMMER RONALD
IPC: F15C1/02
Filed: 1966-06-20
Abstract: 1,180,557. Fluid switch. DOWTY FUEL SYSTEMS Ltd. 6 June, 1967 [20 June, 1966], No. 27493/66. Heading G4P. [Also in Division G3] A bi-stable, Y-shaped wall attachment fluid switch is characterized in that at least one of the output channels leads to a vortex chamber. In a first embodiment, Fig. 1, one output channel 17 enters the vortex chamber radially and the other 18 enters tangentially so that when the power jet flows in channel 17 no vortex is created and a pressure (of about 80% of the input pressure) builds up at an outlet orifice 26, 28 (see also Fig. 2) but when the power jet flows along channel 18 a vortex is formed, fluid from its low pressure centre exhausts via a vent 24, 29 and a low pressure is applied to the output 26, 28. In a second embodiment (Fig. 3, not shown) each output channel 17, 18 enters a vortex chamber radially and the two vortex chambers are connected by a tangentially entering pipe.
Patent GB-279252-A (GB)
Title: Improvements in apparatus for washing tennis balls and other balls for games
IPC: A63B47/04
Filed: 1926-11-03
Abstract: 279,252. Woods, C. H. Nov. 3, 1926. Balls, cleaning.-Apparatus for washing tennis and other balls comprises a circular, removable vessel A to receive the balls B, a flat rotary disc C suspended from a spindle c and adapted to be raised and lowered to contact with the balls, and a handle E to rotate the disc and thereby move the balls in the presence of water and soap or other detergent. The balls are prevented from touching by arms e<1> radiating from a circular ring E<1>. The disc C is provided with a flat on its periphery, or is disposed eccentrically of the vessel, in order to free each ball once in every revolution. In a modification, the vessel is rotated, the disc being either fixed or rotary.
Patent GB-317252-A (GB)
Title: Cores for use in the manufacture of wicker and reed baskets
IPC: B27J1/02
Filed: 1928-09-26
Abstract: 317,252. Lawrence, W. J. Sept. 26, 1928. Baskets; wickerwork. -A core to facilitate basket-making by blind persons is provided with guides arranged to ensure accurate positioning of the upright reeds. The core comprises a lower part C and an upper portion A both formed with guides B. The guides are conveniently narrow ribs bent up from metal plates which form the surface of the core one set 10', 11' being formed as double ribs to enable the starting point to be identified. The part C may comprise a pair of end discs connected by a central tube through which passes the bolt F for connecting together the parts of the core.
Patent GB-889543-A (GB)
Title: Improvements relating to motor vehicles constructed with separate end panels
IPC: B60R19/04
Filed: 1959-08-12
Abstract: 889,543. Motor vehicle bodies. DAIMLERBENZ AG. Aug. 12, 1959 [Aug. 16, 1958], No. 27596/59. Class 108(1). A motor car has a flexible plastic end panel 4, Figs. 1, 2, recessed into the body and comprising an upper formation 1 providing apertures 3 for lights 5, and a lower formation 2 carrying over-riders 9 and covering a bumper 8 fixed to the body 6. If the panel is impacted in a collision it flexes back to and contacts the bumper 8. The panel 4 may, however, itself form the bumper or carry it. The mudguards may either extend beneath the formation 2 as shown by 19, or may form a continuation of the side extended formation 2 as shown by 18. The most exposed points a-f of the panel are sequentially arranged as shown. In Fig. 3 the formations 1 and 2 are in separate parts joined to the body 6 at points 10, 11, 12, 13, and Fig. 4 (not shown) illustrates a different method of fixing these separate formations to the body 6. In a further embodiment, Fig. 5 (not shown) the formation 2 is mounted on brackets attached to the body 6.
Patent GB-1008882-A (GB)
Title: Improvements in or relating to cloth-layering machines
Inventor: BIEBER LOUIS
IPC: A41H43/00
Filed: 1963-07-12
Abstract: 1, 008, 882. Automatic tension control. EXPRESS PATENT CO (LIVERPOOL) Ltd. Aug. 26, 1964 [July 12, 1963], No. 27624/63. Heading G3R. In a system for automatically maintaining constant tension in a cloth layering machine, a switch, operated by change in cloth tension, controls a friction drive roller engaging the cloth. In Fig 1,a roll of cloth X is carried by a frame 14 adjustable transversely, e.g. for edge to edge alignment, on wheels 15 relative to a carriage 11 which is reciprocated on rails 13 by an electric motor (not shown) to layer the cloth Y on a table 10. During layering, the cloth is fed from roll X by a roller 26 which has a plastic or rubber surface engaging the cloth and is driven from the drive of carriage 11 through a unidirectional gearbox 35, an electromagnetic clutch 36, and a chain 33. Tension in the cloth is detected by a pivotted bar 29 which is supported by a loop in the cloth so that increase in tension above a predetermined value causes bar 29 to operate a switch 31 and thereby energize clutch 36, so that roller 26 is driven intermittently to maintain a desired tension. Roller 26 may alternatively bear directly on roll X. Specification 667,537, 667,610, and 939,276 are referred to.
Patent GB-225039-A (GB)
Title: Improvements in sliver cans
IPC: B65H75/16
Filed: 1923-11-05
Abstract: 225,039. Carruthers, J. E. Nov. 5, 1923. Ends; rims of openings.-The upper and lower ends of sliver cans are stengthened by solid metal hoops C, C<1>, Figs. 4 and 5, of tapered section, beaded along their outer edges and formed with external grooves c into which the outer edges d of the binding hoops D, D<1>, are swaged, pressed, or spun, the joints being subsequently tinned or soldered. The flanged metal bottom B is secured to the lower hoop and binder before the body is inserted within the binding hoop D<1>.