baber/WOPTO huggingface dataset:
Patent GB-1179743-A (GB)
Title: Flocculation Process
Inventor: DAWSON FRED
IPC: B01D21/01
Filed: 1967-04-18
Abstract: 1,179,743. Flocculating. IMPERIAL CHEMICAL INDUSTRIES Ltd. 18 March, 1968 [18 April, 1967], No. 17782/67. Headings C1A and C1C. Dispersions of finely-divided solids, such as soot, in water-immiscible liquids such as naphthalenes, benzene, toluene, xylene, hexane or heptane are flocculated by agitating the suspension in contact with water and a watersoluble salt which is surface active and is formed by reaction in situ. Examples of salts are given.
Patent GB-1056912-A (GB)
Title: Machine for performing the coiling of a tape
IPC: B21C47/24
Filed: 1964-04-29
Abstract: 1,056,912. Coiling. I. PROPERZI. April 29, 1964 [May 11, 1963], No. 17817/64. Headings B3E and B3W. [Also in Divisions B6 and F2] Tape, e.g. of aluminium, passing continuously at a constant speed from a rolling mill is fed over a guide pulley 75 of a carriage 76, movable along a track mounted on a framework 1 by rack and pinion means, to one of a pair of segmented expandable mandrels 2, 3 on each one of which is mounted a combined shear and clamping device 28 which clamps the leading end of the tape in a recess 96 of the mandrel. The tape is coiled about the mandrel 2, the peripheral speed of the growing coil being kept constant by hydraulic operated disc type clutch units in the drive system. When the coil is of a size such that the tape is in tangential contact with the stationary mandrel 3 an arm 88 contacts a switch 94 which starts the mandrel 3 rotating. When the peripheral speed of the mandrel 3 is equal to the feed rate of the tape the shear 28 of the mandrel 3 is actuated by a switch 97 to cut the tape and clamp the new leading end against the mandrel 3 whilst the carriage 76 commences travelling to the other end of the frame 1. Subsequently the mandrel 2 is stopped by an operator the mandrel contracted and the arm 88 moved clear of the coil which is pushed off the mandrel by an annular element 71 actuated by rods 72 Fig. 7 (not shown). The sequence is repeated at the completion of the coil on the mandrel 3. Each mandrel is fitted to a shaft 4 rotatably mounted in the frame 1 and comprises sectors 7, Fig. 6 (not shown), biased by springs 15, inwardly towards a part 8 and are expanded via an element 9 axially movable with respect to the shaft 4, to which are pivotally connected inclined arms 10 the outer chamfered ends 13 of which engage the complementary inclined faces 16 of the sectors. The element 9 is coupled to a rod 18 which passes through a bore of the shaft 4 and is connected to a member 19, Fig. 3 (not shown), axially slidable on a rod 22 by power means 21 and arm 20. The shears 28 are pivotally mounted on the the mandrel and are actuated from a cam 29 through a crank 30, the rod 22 and a crank and lever linkage 25, 24, 27. To operate the shears the cam 29 is locked to the shaft 4, by any known means, during one revolution in which time the crank 30 is pivoted to contact and axially advance the rod 22 which also pivots a spring- loaded pivoted crank 35 coupled to an annular groove in the end of the rod 22, the crank 35 being held in this position to keep the shear in the clamped position by a hydraulically operated piston means 38, the rod 22 is biased to the left, Fig. 3 (not shown). After disengaging the cam 29 from the shaft 4 the crank 30 is spring returned, the shears are subsequently released by lowering of the piston means 38 which allow the spring 39 to effect retraction of the rod 22.
Patent GB-1219716-A (GB)
Title: Load dividing control for multiple engine drive
IPC: F02D25/02
Filed: 1969-04-08
Abstract: 1,219,716. Fluid-pressure servomotor systems; speed governors. WOODWARD GOVERNOR CO. April 8, 1969 [April 25, 1968J, No. 17866/69. Headings G3B and G3P. A common load is divided between master and slave prime movers by adjusting a differential device 78 in accordance with the difference between a pair of fluid-pressure signals corresponding to the positions of governor controlled fuel regulators 14, 15 of the prime movers, the device 78 adjusting the speed setter 40<SP>1</SP> of the slave governor 39<SP>1</SP> until its regulator 15 is in a position closely corresponding to the prevailing position of the regulator 14 of the master governor 39. Each regulator is connected to a piston 18 in a cylinder 19 communicating with a governor valve 32 through a throttle 43 and a buffer piston 42 and adjusts the loading applied by a spring 63 to a valve 71 so that the pressure in a bellows 55 between a fluidpressure supply line 51 and a line 88 leading to the device 78 corresponds to the position of the regulator. Changes in the loading applied to the spring 63 cause the bellows 55 to move the valve 71 until the flow through an outlet 61 is equal to the flow from an orifice 53 at the end of the supply line.
Patent GB-878702-A (GB)
Title: Improvements in vats for fermenting liquids
Inventor: HOWORTH FREDERICK HUGH
IPC: C12M1/02
Filed: 1959-05-27
Abstract: 878,702. Fermenters. HOWORTH & CO. Ltd., JAMES. May 27, 1960 [May 27, 1959], No. 18009/59. Class 14 (2). [Also in Group XIII] A vessel A, Fig. 1, for fermenting liquor has external vertical supporting members a enclosed on one or more sides of the lower portion of the vessel by a heat-insulating jacket B and a substantially constant volume of air is circulated through compartments formed between adjacent vertical supporting. members a and the vessel. Cool or warm dry air under pressure may be circulated from a duct C down one compartment b fitted with cooling fins a<SP>2</SP> as shown, or horizontal reinforcing joists (not shown), passed through an aperture a<SP>1</SP> in the member a and returned through a similar adjacent compartment to a duct C<SP>1</SP>. In an alternative construction, Fig. 5, cooling fins a<SP>3</SP> form a second compartment b<SP>1</SP>, down which air is passed to a return duct at the base. In Fig. 7 (not shown), the compartment b<SP>1</SP> has a vertical partition.
Patent GB-403978-A (GB)
Title: Process for the production of iron or/and steel
IPC: C21D5/10
Filed: 1932-06-27
Abstract: In the production of iron or steel a cast iron or an iron steel mixture having a carbon content exceeding 2 per cent is sulphurised by adding sufficient sulphur to bring its sulphur content to between 7 and 10 per cent of its initial carbon content, and then casting the product, the casting being then decarburised by passing a continuous current of carbon dioxide over the casting heated to 800-100 DEG  C. The decarburised metal is then desulphurised by heating to 750-1000 DEG  C. and quenching. After quenching the metal may be re-heated to about 600 DEG  C.  The sulphurisation is carried out in a cupola furnace by charging the initial metal in batches into the furnace, each batch being separated by a charge of coke containing about 1 per cent of sulphur.  The process may be used for the production of steel from a mixture of mild steel swarf and foundry scrap, for the conversion of white heat malleable castings into steel or for the manufacture of black heart malleable castings.
Patent GB-1355015-A (GB)
Title: Magnetic recording and/or reproducing apparatus
IPC: G11B15/22
Filed: 1972-04-19
Abstract: 1355015 Autothreading of rotating head units; brakes SONY CORP 19 April 1972 [23 April 1971] 18132/72 Heading G5R A rotating-head recording/playback apparatus having an automatic loading device for drawing magnetic tape 43 around guide drum 11 includes reel brakes 60, 67 which are controlled so that during loading/unloading the tape is unwound/wound from/on the same reel, to enable transducing to be interrupted and subsequently resumed at the same point. As shown, take-up reel brake 67 is mechanically disengaged during loading/unloading by a lever 74. Both the brake 67 and the supply reel brake 60 are disengaged by solenoids S 6 , S 5  during reel-to-reel tape transport. During loading a further brake 82 is engaged by a lever 83 engaging the tape loop to exert a frictional drag on unwinding of the reel 42. The brake 82 is also disengaged during reel-to-reel transport by a solenoid S7. The brakes act on brake drums 61, 68 on reel support members 48, 49. Automatic loading.-A cassette 25 in a holder 24 is initially lowered on to the reel support members 48, 49. A ring 26 mounted around the drum 11 is rotated clockwise and the tape is initially extracted by a pin 52 on a lever 50, which is permitted to move with the ring 26 under the action of a spring 53 to the position 52<SP>1</SP> shown. A pinch roller 30 on the ring 26 then enters the tape loop and further extends the loop around the head drum 11. The roller 30 engages a capstan 18 on actuation of a solenoid S 1 . The brake lever 74 includes a roller 76 engaging the ring 26, so that when the roller 76 moves out of a recess 79 in the ring 26 during loading/unloading, the take-up brake 67 is disengaged.
Patent GB-177746-A (GB)
Title: The manufacture and production of a new base-exchanging compound
IPC: C01B33/46
Filed: 1921-07-05
Abstract: In the preparation of base-exchanging compounds from solutions of sodium silicate and sodium aluminate, the reagents are taken in such proportions, and at such a dilution, that the whole mass of the mixed solutions is converted into a stiff homogeneous gel containing from 6 to 16 per cent of alumina, calculated on the total solids originally present.  Thus, in an example, 3 litres of a sodium-silicate solution of 15 DEG  Tw., containing 233 grms. of silica and 73 grms. of sodium oxide, are rapidly mixed, at a temperature not exceeding 20 DEG  C., with 1 litre of a sodium aluminate solution of 25 DEG  Tw., containing 60 grs. of alumina and 63 grs. of sodium oxide.  After two or three minutes, the whole mixture sets to a stiff homogeneous gel. This is dried in a current of warm air until it becomes just hard, and is then washed with water, when any free alkali is removed, and the material breaks down into granules, ready for use as a base-exchanging compound.  Less dilute solutions than the above may be used if a compound containing a lower proportion of alumina is to be produced, or if the operation is to be conducted at a lower temperature.  The sodium aluminate, prepared in any suitable way, should contain but little excess soda, since the presence of a strong electrolyte may cause the formation of a flocculent precipitate. Similarly the silicate used should not contain an excess of soda. Two other examples of the process are given.
Patent GB-237272-A (GB)
Title: Device for forming far-reaching sound pencils and applications of latter
IPC: G10K11/28
Filed: 1925-07-17
Abstract: 237,272. Perrin, J. Baptiste-, Marcelin, A. J., and Anciens Etablissements Barbier, Benard, et Turenne. July 21, 1924, [Convention date]. Sound-directing appliances. - A device for producing directed sound beams consists of a tube 5 leading from a source of sound 1 and terminating in four branches 9 of equal length which open into four reflectors 7, the upper part 5' of the tube 5 being rotatable relatively to the remainder so that the sound may be emitted in any direction at will. Each reflector 7 comprises a surface of revolution and is divided by six or eight radial partitions. The periphery is preferably square. The device may also be adapted to be set to send out a beam in any direction of altitude. Screens may be employed to produce further directive effects. The device may be used for morse sound signalling, or to send out a beam the pitch of which varies according to direction for the guidance of ships entering harbour in foggy weather. Two sound pencils rotating in opposite directions may be used. A number of sound projectors electrically controlled from a distant station may be used along a river, a dangerous fairway, or the entrance to a port. Specification 215,719 is referred to.
Patent GB-1115705-A (GB)
Title: Evaporator
IPC: B01D1/26
Filed: 1966-04-26
Abstract: 1,115,705. Multiple-effect evaporators; distillation of water. AOUA-CHEM, Inc. 26 April, 1966 [30 April, 1965], No. 18303/66. Heading B1B. In a multiple effect evaporator in which a plurality of evaporation chambers, separated by vertical partitions 115, are enclosed within a housing 100, the conduits conveying vapour from one chamber into the heating tubes of the adjacent chamber are formed integrally within the housing. Each evaporation chamber contains condenser tubes 110, 111 arranged in vapour chambers associated with the evaporation chambers for condensing some of the vapours formed and for preheating the incoming feed liquid, e.g. sea water, which is then sprayed onto the external surfaces of the heating tubes. A partition 117 parallel and spaced from the front wall 108 of the housing defines, together with vertical partition walls 115 which are at right angles thereto and with the back and side walls of the housing, the evaporation chambers. To provide vapour ducts to direct the vapours from one chamber into the heating tubes of the following chamber, vertical partitions 133 are mounted between the front wall 108 of the housing and the partition 117 which together with angular partitions connected to the top of the partitions 133 define vapour ducts 135 leading from one chamber into the following chamber. Distillate collecting on sheets 127 flows through holes in the front end of the sheet into the bottom of the vapour duct of the next chamber, and distillate forming in the tube bundles 118 is conveyed by pipes 145 into the distillate collecting part, the downwardly turned discharge ends of the pipes opening beneath the level of the distillate to prevent vapour entering the pipes. Pumps 62 mounted beneath the housing recirculate a portion of the concentrate in the bottom of a chamber back to the spray pipes of that same chamber, the pumps also conveying the concentrate from one chamber to the next adjacent chamber which is at a lower pressure.
Patent GB-809506-A (GB)
Title: Improvements relating to signal modifying apparatus
IPC: H04B14/08
Filed: 1955-06-24
Abstract: 809,506. Colour television. GENERAL ELECTRIC CO. June 24, 1955 [June 29, 1954], No. 18358/55. Class 40 (3). The relative amplitudes of the quadrature related sub-carrier components of a colour television chrominance signal E, are modified by multiplying the signal by a local carrier of double the frequency in a modulator stage 11 and extracting the components at sub-carrier frequency from the output by means of a band-pass filter 25-27. It is necessary to adjust critically both the amplitude and phase of the gain variation imparted by the local carrier for which purpose the carrier is applied to stage 11 via a potentiometer 22 and a phase shifter 23, 24. The Specification includes an analysis of the circuit operation from which it it is shown that relative amplitudes between one and zero may be obtained. To achieve the latter condition, which corresponds to the elimination of one or the other quadrature component, the local carrier is set in phase with the component it is desired to retain and the amplitude set to achieve a specified gain variation. In a second embodiment, Fig. 3 (not shown), which will more readily provide the level of gain necessary for eliminating one component, two modulation stages are employed feeding in parallel to a common output but having the sub-carrier signal and local carrier applied in phase opposition via centre-tapped transformers. A third embodiment, Fig. 4 (not shown), employs a pair of diodes.
Patent GB-370751-A (GB)
Title: Improvements in and relating to distributors for steam turbines
IPC: F01D9/02
Filed: 1931-06-25
Abstract: 370,751. Steam turbines. BELLUZZO, C., 9, Via Mazzini, Rome. June 25, 1931, No. 18429. [Class 110 (iii).] Strainers, comprising perforated plates L, are mounted in the distributing ducts of steam turbines. The diameter of the plates and size of perforation is increased from one to the next where a succession of strainers are employed with multiple-wheel turbines.
Patent GB-1020603-A (GB)
Title: Electric heating structure
IPC: E04D13/076
Filed: 1964-05-04
Abstract: 1,020,603. Heater cables. SINGER CO. May 4, 1964 [May 13, 1963], No. 18445/64. Heading H5H. [Also in Division H1] A temperature variable heater cable for, e.g., preventing freezing of pipes, is in the form of a pair of wires joined by an insulating web. Each wire comprises a resistance helix on a fibre-glass core surrounded by insulation, Fig. 1. The conductors are joined together at one end, and brought out to leads at the other as shown in Fig. 2. The cable is made self-compensating by using a high positive temperature coefficient resistance alloy (see Division H1), so that, e.g. a normal dissipation of 7 watts per foot is reduced to 3 watts per foot in high ambient temperatures.
Patent GB-156841-A (GB)
Title: Improvements in and connected with certain kinds of motor vehicles
Inventor: GOODWIN STANLEY
IPC: B62D61/08
Filed: 1919-07-25
Abstract: 156,841. Castle Motor Co., Ltd., and Goodwin, S. June 25, 1919. Frame components, sections and forms of, and applying and combining; wheel forks and like structures.-Motor vehicles with one or twin centrallyarranged driving-wheels and two front steering- wheels are arranged with the motor, gear box, and propeller shaft set askew with the centre longitudinal centre line 30, the propeller shaft 23 being flexibly coupled at 20 to the short driving shaft 21 on one side of the rear driving wheel. The front ends 16 of the back fork 8, 9 carrying the driving wheel 3 are widely spaced apart and jointed to a cross member 7 of the chassis frame. The side frame members 1, 2, converge from the front of the vehicle to the rear of the driving wheel, and are supported by rear spring members 27 secured to the driving-wheel, as shown, and by cantilever or quarter elliptical laminated spring supports secured to the downwardly-cranked front axle. The tubular arms 8, 9 supporting the bearing of the rear driving wheel are secured in sockets 10, 11, preferably made of malleable iron or mild steel casting in halves 12, 13 bolted together at 14; or the tubular side arms may be formed in one piece with the forked member. The forked ends are set as widely apart as the side frames 1, 2 will allow, and are jointed at 16 to brackets 18 carried by the cross frame 7. The shaft 2 drives the wheel 3 through gearing such as described in Specification 136,606.
Patent GB-246039-A (GB)
Title: A filter for vacuum cleaners
IPC: A47L9/12
Filed: 1925-07-20
Abstract: 246,039. Fisker, P. A. July 20, 1925. Filtering.-A vacuum cleaner is provided with a filter bag which extends into the dust container and filters the dust at its outer surface, the bag having means for turning it inside out without removal irom the container, so that the dust may be shaken off. The filter. Fig. 1, is secured to an upper ring 4 provided with a rubber coating 3 and clamped between the dust container 1 and fan casing 2. The bottom of the filter is clamped between two discs 6, 7, which may be starshaped, stays 9 connecting them to a ring 10 by which, when the container is removed from the fan casing, the bottom of the bag may be lifted to invert the bag and shake the dust into the container. The ring may be replaced by a cross,. bar, star, disc, or other device. Fig. 6 shows a filter in the form of a cone, the smaller end of which is inverted, the apex and the stays being secured to a perforated disc 10<a>, the disc being attached to the ring 4 by a bayonet joint &c. The stays may be replaced by a cylinder.
Patent GB-613591-A (GB)
Title: Improvements in and relating to the production of ferro-chrome
IPC: C21C7/00
Filed: 1946-06-20
Abstract: Ferro-chrome is produced in a continuous process in an electric arc furnace or in an electric high frequency induction furnace (see Group XII) by supplying to the furnace an initial charge of a small quantity of ferro-chrome, chromite ore and coke, silicon or silicon alloy and reducing the chromite by heat supplied to the charge and continuing the operation by running off slag in an arc furnace and adding further chromite ore and reducing agent as the operation proceeds, thus building up a bath of molten metal to the full capacity of the furnace, or by running off the molten metal from the bottom of a high frequency induction furnace which is continuously charged with further materials.
Patent GB-593235-A (GB)
Title: Improvements in and relating to light fittings for ceilings designed for acoustical purposes
IPC: E04B9/00
Filed: 1945-07-19
Abstract: 593,235. Reflectors. HOLOPHANE, Ltd. (Holophane Co., Inc.). July 19, 1945, No. 18526. [Classes 75 (ii) and 75 (iii)] [Also in Group XXXVIII] A ceiling faced with sound - absorbing material 10 is fitted with rows of fluorescent lamps 14 mounted in metal boxes 13 which are lined with sound - absorbing material 15 such as light reflecting glass wool slabs and are arranged above perforated transparent or translucent plates 12.
Patent GB-313763-A (GB)
Title: Improvements in metallic stoppers for condiment and like bottles
IPC: B65D41/12
Filed: 1928-06-27
Abstract: 313,763. Pickup, F. June 27, 1928. Stoppers adapted for discharging contents.-A crown-cork and sprinkler comprises a thin metallic cap a with an indentable flange, having a small hole a<1>, and a cork &c. sealing disc b which can be punctured at b<1> for sprinkling the contents therethrough.
Patent GB-326112-A (GB)
Title: Improvements in and relating to the purification and/or utilization of waste liquors
IPC: C02F1/26
Filed: 1929-06-18
Abstract: 326,112. Bunge, F. C., and Macura, H. June 18, 1929. Treating-materials.-Waste liquors from the working-up of bitumen-containing materials, e.g. waste liquors from the distillation of bituminous coal, are freed from phenols &c. by treating with aldehydes, preferably with the application of heat, whereby a condensation product is formed which separates out as a resin. The process may be carried out in closed vessels and, if required, under increased pressure. Any residual phenols left after this treatment may be removed by flotation. Clearing agents. e.g. aluminium sulphate or lead acetate may be added to the waste liquorbefore or during treatment with aldehyde.
Patent GB-640725-A (GB)
Title: Photoelectric detector for solids suspended in fluids
IPC: G01N21/53
Filed: 1947-07-14
Abstract: 640,725. Smoke detecting. C.O.TWO FIRE EQUIPMENT CO. July 14, 1947, No. 18711. Convention date, March 19, 1940. [Class 40 (iii)] Air from various chambers under test is circulated by a pump L through usual inspection chambers C and then through a common tube 2 to a chamber 1 in the sides of which are set one or more current generating photoelectric cells 6 over which passes parallel light from a source 4, In the far end of the chamber is a further photo-cell 10 illuminated direct by the source 4. The presence of smoke in the chamber causes light to be reflected on to cells 6 increasing their output and serves to cut off part of the light to the cell 10. Cells 6 and 10 are connected in opposition to each other and the unbalance resulting from the presence of the smoke operates a moving coil relay 7 which closes an alarm circuit. An adjustable iris diaphragm 11 enables the apparatus to be initially balanced. This arrangement obviates the necessity for a voltage regulator for the light 4 and eliminates the effect of stray light which may fall on the cell 6. Various modifications are described in one of which (Fig. 3, not shown), the photocell 10 is located out of the airstream but receiving light from the source 4. In this case, it is stated, the relay should be of the centrezero type. Further, the cells 6 may be set in recesses in the wall of the chamber 1 or tilted away from the light when the necessity for the balancing cell 10 is removed. An embodiment is also described (Fig. 6, not shown), in which the layers of a photo-cell are formed around the inside walls of the chamber 1, light passing through the centre of the cell. The system may be used to detect other suspensions in fluids than smoke.