baber/WOPTO huggingface dataset:
Patent GB-1066121-A (GB)
Title: Dust extractor apparatus for bituminous road-building material preparation plant
IPC: B03C3/28
Filed: 1965-04-14
Abstract: 1,066,121. Mobile gas filtration assemblies; electrostatic separators. C. H. HEISE. April 14, 1965 [Oct. 10, 1964], No. 15974/65. Headings BIT and B2J. In a dust separator mounted on a wheeled chassis (Figs. 2 to 5 not shown), dust-laden gas passes through six cyclone separators (14) and then downwards from an inlet 21 through five moving beds of powdered glass. A bucket elevator 34 delivers the glass powder to the left hand ends of a series of endless bands of fabric 28, and contaminated glass powder discharged from the right hand ends of the bands is delivered to a vibrating screen 38, through which the dust falls into compartment 40. To facilitate separation, electrodes 37 may charge the glass particles, and the resulting charges are neutralised by plutonium radiation sources 41, 42 and by earthing the screen 38. A pair of fans (25) extract the filtered gas from outlets 23 to a common flue (27). The apparatus is used to clean the hot effluent gases from an oil fired drying plant, which is used to dry stone aggregate for use in road making. The drying plant and the separating apparatus could be mounted on a common chassis, and the air from flue (27) could be recirculated to the drying plant.
Patent GB-1005040-A (GB)
Title: Ground disconnect surge arrester
IPC: H01T1/14
Filed: 1962-04-27
Abstract: 1,005,040. Spark apparatus. HUBBARD & CO. April 27, 1962 [Dec. 20, 1961], No. 16158/62. Heading H1D. [Also in Division H2] In order to reduce the radio-frequency discharge generated by a surge diverter, sparkgap sections 32, 36 are placed at each end of a non-linear resistance block 34 and the metal mounting bracket 38 is positioned equidistant between the sections 32, 36. A second non- linear resistance block 30 is included to reduce the load on the block 34, and the connection to line is completed by a compression spring and shunt assembly 26 and a protective cap 22, and to earth by a section 20 which is exploded away from the housing 16 if the diverter develops a fault. The section 20 comprises an insulating housing 44 secured to the housing 16 and supporting a non-deflectable metal plate 42, a cupped metal washer 46 and an earth terminal 52 which has projections 53 to prevent it from turning and has a hollow projection 51 containing an explosive cartridge 54. During normal diverter operation current flows to earth through members 42, 46 and an arc between members 46, 51, the rate of heat dissipation over member 51 being sufficient to prevent explosion of the cartridge 54. Should damage occur to the diverter resistance blocks or spark gaps, however, the arc between members 46, 51 caused by the line power current will explode cartridge 54 and the housing 44 will fracture at the section 45, the earth lead restricting movement of the severed portion, Fig. 4 (not shown). Arcing may continue between members 46, 52 until the line protection operates, after which the diverter is permanently inoperative. Specification 1,005,039 is referred to.
Patent GB-554076-A (GB)
Title: Improvements in or relating to photographic shutters
IPC: G03B9/07
Filed: 1941-12-16
Abstract: 554,076. Photographic shutters with lens diaphragms. KODAK, Ltd. Dec. 16, 1941, No. 16205. Convention date, June 17. [Class 98 (i)] To facilitate focusing at open aperture and subsequent closure of the diaphragm to the setting to be used for the exposure, a diaphragm carried by a photographic shutter is held in open position by a latch which is provided within the shutter and released through the operation of the shutter-setting lever when the release trigger is operated, whereupon the diaphragm is moved automatically towards the closed position until arrested by an adjustable stop at a predetermined position. As shown, the shutter is of the kind described in Specification 536,558, in which the setting-lever 8 is carried by an arcuate member 19 having a tooth 18 which, by depression of a button 16 can be engaged by a notched member 17, so arresting the movement when the shutter blades are fully open for focusing. When the diaphragm operating lever 22 is moved to the fully-open position it is retained by a spring- urged pivoted latch 25 which engages a lug 23 on it. When, after focusing, the lever 8 is moved to the position I to set the shutter, the end of the member 19 engages a pin 26 on the latch 25 and causes the latch to release the arm 22, which then moves under the action of a spring 31 to close the diaphragm until a lug 41 on the diaphragm ring engages a pre-adjusted stop to arrest the movement at the desired setting. The stop is adjusted by means of a pointer 14 and locked in position by compression of a spring 47 by means of a lock-nut 46.
Patent GB-374262-A (GB)
Title: Improvements in domestic firegrates
IPC: F24B13/02
Filed: 1931-06-04
Abstract: 374,262. Stove grates. YOUNG & MARTEN, Ltd. and EDWARDS, E. M., Caledonian Works, Romford Road, Stratford, London. June 4, 1931, No. 16210. [Class 126.] The air supply to a grate is regulated by a pair of substantially horizontal hit-and-miss gratings or the like arranged below the grate bottom 6, one of the gratings 11 being fixed and the other 10 being adjustable in relation to it by means of a handle 13. The movable grate may be adapted for a backward and forward movement, or a partial rotation about a pivot.
Patent GB-114280-A (GB)
Title: Improvements in and relating to the Motor Control Gear of Motor Tractors.
Inventor: WALLACE DUNCAN MCNAUGHTON
IPC: B62D53/02
Filed: 1917-11-07
Abstract: 114,280. Wallace, D. M. Nov. 7, 1917. Controlling - apparatus, arrangements of hand and transmission gear in conjunction with. - In two-wheel agricultural tractors, the motor-control levers d, e, f are mounted on a pivoted tail beam a and are connected to bell-crank levers g, h, i in which operate the control rods j, k, l through universal joints in line with the pivot b, c of the beam. The implements are attached to a bear a<1> sliding on the beam a and adjustable by a screw n.
Patent GB-612585-A (GB)
Title: Improvements in receivers for angle-modulated carrier waves
IPC: H03D3/24
Filed: 1946-05-29
Abstract: 612,585. Frequency modulation. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. May 29, 1946, No. 16280. Convention date, May 29, 1945. [Class 40 (v)] Relates to receivers for angle-modulated waves of the kind described in Specification 562,993 in which the incoming wave, or an intermediate frequency wave derived therefrom, is applied as a synchronizing voltage to lock in a local oscillator tuned to a subharmonic frequency; and consists in providing a resonant network coupled with, and tuned to the same frequency as, the oscillator tank circuit, thereby increasing the lock-in range. As shown in Fig. 2, the oscillator is a pentagrid valve 1 with its tuned anode circuit 5 back-coupled through an untuned grid circuit 5<1> to an intermediate grid 6. The incoming wave after conversion to an intermediate frequency is applied through coupled resonant circuits 14, 15 to the inner control grid 2 of the valve. The anode circuit 5 is tuned to a subharmonic frequency, say one-fifth of that applied to the grid 2, and is damped by a variable resistor R4. Magnetically-coupled to the circuit 5 is a damped, tuned circuit 5<11> resonant at the same frequency, the coupling being adjustable, but preferably closer than the critical value. The three coupled coils are wound in sections and are mounted on a tubular former. Coils L1, L2 are close coupled, and coil L3 is spaced therefrom and axially adjustable. Comminuted iron cores are adjustably mounted within the former for tuning, Fig. 3 (not shown). The discriminator shown in Fig. 2 is substantially the same as that described in Specification 562,993, but may be replaced by other types, e.g. that described in Specification 489,094. In Fig. 7, the discriminator comprises a damped, tuned circuit 40 parallel-resonant at or near the upper end of the frequency range, and in conjunction with the condenser 36 affording series resonance at the lower end of that range. A diode 17 shunted by a load resistor R6 is connected between earth and the input from the local oscillator. The audio output is taken across the resistor R6 and de-emphasis of the higher notes may be effected by resistor R8 and condenser 29. Specification 609,496 and U.S.A. Specification 2,341,240 also are referred to.
Patent GB-476341-A (GB)
Title: Improvements in fluid pressure remote control apparatus
IPC: F15B9/08
Filed: 1936-06-11
Abstract: 476,341. Fluid-pressure servomotor-control systems. NEWTON BROS. (DERBY), Ltd., and BODDY, W. H. June 11, 1936, No. 16305. [Class 135] A device for controlling apparatus or machinery at will from a distance by a small effort comprises a double-acting servo-piston c connected by a lever b to the apparatus, the piston c having within it a control piston h and a spring i connecting the two pistons. Pressure in a control line j is varied at will in any convenient manner and on increase moves piston h and a three-part control valve k to the right, thereby admitting pressure fluid from an inlet m and exhausting it through a passage n to move piston c to the left, which movement effects the follow-up of valve k through the spring i and piston h, and the hydraulic locking of piston c. A pressure gauge on the control line at the distant station may be calibrated to show the position of piston c.
Patent GB-440484-A (GB)
Title: Improvements in or relating to cigarettes
IPC: A24C5/18
Filed: 1934-06-01
Abstract: A cigarette is made with a tobacco filler of substantially constant density, and of substantially constant cross-section, throughout its length, by compressing the tobacco axially of the filler.  A continuous cigarette rod is formed by showering tobacco on to a moving surface which carries the tobacco stream on to a slower-moving conveyer, so that the retarding of the stream occasions the axial compression, for example as described in Specification 440,182.  As the tobacco is compacted axially, the majority of the strands are brought to lie transversely of the cigarette.
Patent GB-1076910-A (GB)
Title: Process for preparing pyridoxal-5'-orthophosphate
Inventor: OKUMURA KENTARO
IPC: C07F9/58
Filed: 1966-04-14
Abstract: Pyridoxal - 51 - orthophosphate is prepared by phosphorylating N-(2-methyl-3-hydroxy-5-hydroxymethyl - 4 - pyridyl - methylidene)-hydrazine by heating with a mixture of polyphosphoric acids (prepared by heating orthophosphoric acid with phosphorus pentoxide), hydrolysing the resultant polyphosphate to the orthophosphate and then subjecting this to diazodegradation, i.e. replacing the hydrazono radical by an oxygen atom.  The hydrolysis may be carried out by heating the polyphosphate, with dilute acid, and the diazodegradation by heating with nitrous acid; the hydrolysis and diazodegradation may be carried out simultaneously.  An example is given.
Patent GB-1387206-A (GB)
Title: Method of holographically recording and reproducing images
IPC: G03H1/26
Filed: 1972-04-10
Abstract: 1387206 Holography KONISHIROKU PHOTO INDUSTRY CO Ltd 10 April 1972 [10 April 1971] 16503/72 Heading G2J A plurality of images in the form of transparencies 19-1, 19-n located in predetermined positions adjacent one another are recorded as superimposed holograms on a record medium 21 by illuminating the transparencies with coherent light 22, the light transmitted by which passes through apertures 18-1, 18-n positioned correspondingly to the transparencies and impinges in super-imposition on medium 21, a reference light 24 coherent with light 22 simultaneously impinging on medium 21. Preferably the images are in the form of microfilm images which are projected on to medium 21 by lenses located in the aper-  tures. In reproduction the images are retrieved individually by illuminating the developed composite hologram 30 with light 31 and viewing the desired image through an aperture in a mask located at image position 37-1, 37-n. The reconstructing light may be incoherent and is passed through a pin-hole plate 32 and filter 33. The transparencies may be colour positives and these may be sequentially illuminated with one of the primary colours red, blue, green 22, 23 each having a reference beam 24, 27 incident on medium 21 at a different angle. An image in the appropriate colour is reconstructed using the appropriate coloured beam 31, 34, derived from tungsten lamps and filters 33, 36. Alternatively, a viewing apparatus is disclosed Figs. 7, 8 (not shown) in which the composite hologram matrix is simultaneously illuminated with the three coloured lights and the desired multi-coloured image is viewed by moving a magnetic apertured plate (which may include a lens) over an iron grille the apertures of which correspond with the matrix of images to be reconstructed. Alternatively the reconstructed images may be formed on an image pick-up tube in a television system, with a grid being movable to anyone of the desired positions in the matrix. A plurality of composite holograms, each of different sets of transparencies, may be  recorded in superposition, the recording medium being rotated in its own plane between exposures.
Patent GB-1254766-A (GB)
Title: Improvements in and relating to pneumatic tyres
IPC: B60C9/18
Filed: 1969-03-28
Abstract: 1,254,766. Pneumatic tyres. MICHELIN & CIE (Compagnie Generale des Etabs. Michelin). 28 March, 1969 [28 March, 1968], No. 16512/69. Heading B7C. The tread 1 of a radial ply pneumatic tyre for heavy vehicles, comprises a reinforced central circumferential part flanked by two side circumferential parts 4, 5, the central part having a transverse curvature less than the circumferential curvature and having an axial width L between 50 and 80% of the maximum axial width B of the tyre when inflated but not loaded, each side part 4, 5 being bounded by circumferential grooves 8, 19 and 9, 20 which are of a depth equal to at least half the thickness of the tread in the region of the grooves and which separate it from the central part and a sidewall 6, 7, the radially outer surface of each side part making in an axial plane an angle of between 30 and 50 degrees with the tyre axis, there being for each side part, either no reinforcement or, one which imparts less stiffness than that which the crown reinforcement 2 imparts to the central part, the latter reinforcement 2 being laid parallel to the ground contacting surface of the central part. The crown reinforcement comprises four plies of steel cables and which does not extend beyond the grooves 19, 20. The central part comprises five circumferential rows of blocks 10-14, wherein the axial width of the blocks decreases in going from the middle row 12 to the rows 10, 14 at the edges, the separating grooves 17 in the middle row 12 being more numerous and less steep than grooves 16 which are of the same depth as the zig-zag circumferential grooves 15. Each side part 4, 5 is of axial width A which is about 10% of the maximum axial width B of the tyre and comprises a row of blocks 18. The surfaces of those parts of the sidewalls adjacent the side parts 4, 5 make in axial section an angle of 70 degrees to the tyre axis. The transverse radius of curvature R of the central part is about 3500 mm. with the rolling radius being not more than about 1100 mm.
Patent GB-889276-A (GB)
Title: Improvements in or relating to labels, name tags and the like
Inventor: NICKERSON JOSEPH
IPC: G09F3/14
Filed: 1957-05-24
Abstract: 889,276. Labels. NICKERSONS SEED SPECIALISTS Ltd. Feb. 27, 1958 [May 24, 1957], No. 16588/57. Class 73 Sealing and labelling means for use upon packages in conjuction with a binding or securing string comprise in combination a cup seal 2 and a label or name tag 1 so formed as to define a substantially circular portion 3 adapted to fit closely within the seal and to be clamped therein when applying the seal to the string 5, thereby securing the label to the package. As shown the label is formed with a circular tongue portion but in a modification, Fig. 3 (not shown), the circular portion is defined by two arcuate slots 6 adjacent one edge and connected by a narrow neck 7 to the main body of the label. According to the Provisional Specification the seal may be of other form than a cup seal and clamps an elongated portion of the label.
Patent GB-555050-A (GB)
Title: Hollow milling tool
IPC: B23C5/22
Filed: 1942-11-24
Abstract: 555,050. Milling-cutters. HOPKINS, W. W. Nov. 24, 1942, No. 16679. Convention date, Nov. 10, 1941. [Class 83 (iii)] A built-up cutter for use in hollow milling particularly for formcutting the ends 27, 28, 29 of a T-connection piece for a fuel line for an engine comprises a number of cutters 21 mounted on a partcylindrical member 20, each cutter having an end cutting-edge 55 and a side cutting edge all lying in a radial plane 50 of the cutter, and the cutting profile extending round the cutter body in helical fashion to a second radial plane 51 so that each cutter may be sharpened on the face 50 without changing the cutting profile. The operation may be performed in a machine wherein the work pieces are gripped in vices arranged on work supports carried by an indexible carrier including a central column while rotary tools are mounted in a series of vertical tool spindles. Automatic vertical movement is imparted to the work supports. The work is cut to a form comprising a conical portion 36, Fig. 2, a short cylindrical portion 38, another conical surface 39, and a longer cylindrical portion 40. The cutters are secured to the head 20 by bolts passing through holes arranged equidistantly from the tool axis. Setting-pins 65 assist in positioning the cutters so that the cutting edge of each cutter follows the same path. In resharpening the cutters each surface 50 is ground back to the same extent and the cutters replaced so that its new surface 50 abuts the corresponding pin 65.
Patent GB-515497-A (GB)
Title: Improvements in or relating to the regulation of the power output of supercharged aircraft internal combustion engines
IPC: F02D9/00
Filed: 1938-06-03
Abstract: 515,497. Fluid - pressure servomotor - control systems. BRANDENBURGISCHE MOTORENWERKE GES. June 3, 1938, No. 16712. Convention date, June 4, 1937. [Class 135] An aircraft engine driving, a variable-pitch screw, the speed of which is maintained constant by a governor, is provided with means whereby the pressure or density of the charge between. the supercharger and a throttle valve controlling the supply thereto is maintained constant by a regulating - device actuating the throttle valve. The Figure shows a supercharger 2 with its inlet conduit 3 fitted with a throttle 1 controlled by a hand lever 24 and also automatically by a servomotor 9, the valve 13 of which is actuated by a capsule 10 in a chamber 11 connected at 12 to the conduit 3. When a two-stage supercharger is used, the means for switching in the second stage is connected to the capsule 10 to vary the setting of the valve 13. Where a supercharger driven by variable-speed gearing is used, the pressure in the conduit 3 is varied with the speed of the supercharger. The valve 13 may be provided with a control slide to vary its action. According to the Specification as open to inspection under Sect. 91, the hand lever 24 also acts on the loading-spring of a centrifugal governor which controls the pitch of the airscrew through another fluid - pressure servomotor. This subject-matter does not appear in. the Specification as accepted.
Patent GB-1204233-A (GB)
Title: Installations for the heat treatment of mineral materials
IPC: F26B17/10
Filed: 1968-04-08
Abstract: 1,204,233. Preheating granular materials. SOC. FIVES LILLE-CAIL. 8 April, 1968 [11 April, 1967], No. 16814/68. Heading F4B. An installation for preheating lime or cement raw materials being fed to a rotary kiln 10 comprises a series of cyclone separators 14, 44, 46 and a counter current tower heat exchanger 16. Raw material from hopper 40 and returned fines from deduster 18 pass in counterflow to the furnace exhaust gases down tower 16, from whence together with recycled fines from cyclone 42 they are introduced cocurrently with the gas in conduit 50 to pass to cyclone 46. The material then passes sequentially through conduit 48, cyclone 44, conduit 12 and cyclone 14 to the furnace 10. Part of the output from cyclone 14 may be recycled through line 30 back to conduit 12. The furnace exhaust gases, after passage through conduit 12 and cyclone 14 are fed through line 24, in part through line 25 to the tower 16, and in part through line 36 to pass sequentially through cyclones 44 and 46. In a modification (Fig. 2, not shown) the gases pass in parallel through these latter two cyclones. The gases are then drawn off by fan 52 to pass through a raw material or fuel dryer (not shown). In further modifications (not shown) the gas flow to the tower may be taken from the gas outlet of one of the other cyclones, and a burner may be located at the bottom of the conduit 12.
Patent GB-334261-A (GB)
Title: Improvements in manufacture of benzyl chloride
IPC: C07C17/16
Filed: 1929-06-01
Abstract: 334,261. Imperial Chemical Industries, Ltd., Bennett, N., Dodd, H., Sprent, W. C., and Holt, F. June 1, 1929. Benzyl and benzoyl chlorides; benzaldehyde.- The crude mixture containing benzyl alcohol and other products recoverable from the manufacture of benzyl cellulose is treated with chlorine, whereby benzyl chloride and benzaldelyde are obtained together, it may be, with some benzoyl chloride and nuclearly chlorinated derivatives. The method is preferably applied, however, to the distillation residues left after recovering benzyl chloride from the crude mixture by treatment with hydrochloric acid, as described in Specification 334,260. An example of this application is given. The production of benzoyl chloride can be avoided by using a limited amount of chlorine.
Patent GB-235027-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04Q3/42
Filed: 1924-07-15
Abstract: 235,027. Coventry Automatic Telephones, Ltd.., and Collyer, J. E. July 15, 1924. Automatic exchange systems.-An impulse machine A common to a number of register controllers sends out a train of impulses in accordance with the lead picked out (direct or through a translating frame) by a digit register K. The machine comprises a number of drums 51 - - 60 and associated wipers for sending the digits 1 - - 0 and controlling-drums 72, 74, and makes one revolution in 1¢ seconds. The impulse sending contacts may be staggered to equalize the load on the battery. When wiper 71 reaches the grounded segment on the starting drum 72, relay 7 pulls up, energizes the back-stroke driving magnet 3 of the sending sequence switch T.S., and connects the impulse sending relay 10 over wipers 4, 2, to the wiper 61 - - 70 selected by the register K. The required digit is thus sent out and when wiper 73 leaves the holding segment on drum 74, relay 7 releases magnet 3 and the switch T.S. takes a step to associate the next register. The fixed pause between trains is provided for by the space between the lines Z, Y, and the starting circuit can only be made during this pause. Specification 225,703 is referred to.