baber/WOPTO huggingface dataset:
Patent GB-627636-A (GB)
Title: Improvements in means for de-sludging sedimentation tanks
IPC: C02F3/12
Filed: 1947-03-24
Abstract: 627,636. Gravity. separation apparatus. HARTLEY, C. J. March 24, 1947, No. 7932. [Classes 46 and 111] In a sedimentation system having means for desludging sedimentation tanks, thesludge is equally drawn off from a number of such tanks into a common pump well connecting chambers all arranged so that through a number of intervening interthe length and size of pipes and the number of interconnecting chambers from the pump well to the centre of each and every tank are the same throughout the system. As shown in Fig. 2, sedimentation tanks 10 are arranged in pairs, each pair being connected by pipes 11 of equal length and cross-section to an intermediate well 12, and each pair of intermediate wells being connected by further pipes 15 also of equal length and cross-section, to further intermediate wells 16, these in turn being symmetrically connected to the pump-well 14. For a group of four tanks arranged in pairs, a single pair of intermediate wells is sufficient. In a further alternative arrangement, eight tanks are arranged in two groups of four. Each tank is provided with side feed 20, Fig. 4. and a scraper device (not shown) for collecting the sludge into the sump 10c, from which a pipe 11 leads to the intermediate well 12, a shut-off valve 11a and sludge sampling pipe 23 being provided. From the well 12 the sludge is withdrawn automatically by hydrostatic head through the open-ended pipe 15. In Fig. 6 is shown a complete sedimentation system in which the invention is applied also to the feed to the sedimentation tanks 10. Fresh sewage enters an aeration tank 30 at 31, and the sludge therefrom passes into an intermediate well 33, from which it is fed by the hydraulically symmetrical pipe-system 34, 20, to the tanks 10. Sludge from these is drawn off by pipes 11, 13 to the pump-well 14. from which it is returned to the tank 30 by a pipe 40.
Patent GB-553228-A (GB)
Title: Improvements in crushing mills
IPC: B02C13/284
Filed: 1942-06-11
Abstract: 553,228. Impact pulverizers. KATZ, A. June 11, 1942, No. 7976. [Class 59] In an impact pulverizer of the kind in which hammers are hinged to discs or flanges secured to the driving shaft of a rotor arranged inside a crushing chamber provided with peripheral face screens through which the ground material is extracted by a fan mounted on the rotor shaft, side screens are also provided between the crushing chamber and the fan. As shown in Fig. 1, a rotor carrying hammers 6 and fan 16 are mounted on a common shaft 8 within a casing having shaft bearings 9 outside the casing. Peripheral screens 10, 12 and side screens 14 enclose the beaters. The peripheral screens are movable circumferentially and axially of the crushing chamber and have openings of different size for the passage of crushed material, the screens with the smaller openings being placed at the bottom of the chamber.
Patent GB-932746-A (GB)
Title: Improvements in remote control apparatus controlling a number of operations
IPC: B65G53/00
Filed: 1961-03-06
Abstract: 932,746. Agitating liquids. ATLAS COPCO A.B. March 6, 1961 [March 8, 1960], No. 8016/61. Class 86. [Also in Groups XXI, XXVIII and XXX] An apparatus for the transfer of granular, pulverulent, liquid or semi-liquid material comprises a pressurized container 6 having remotely controlled inlet, outlet agitating means and sealing means. At the bottom of the container 6 a pulsation device is provided comprising an annular rubber diaphragm 42 which with the container forms an air chamber 52. Pulsation commences when compressed air from a conduit 29 flows through a valve 45 and opens a valve 47. Compressed air from a conduit 1 flows into the chamber 52 via conduits 50, 51, 43 opening a diaphragm-operated shut-off valve 49, into a vessel 58 and to a valve 56. When the vessel 58 is filled the valve 56 opens and air passes through a conduit 57 to close the valve 49, thereby venting the pipe 43 to atmosphere. The fall in pressure closes the valve 56 and the compressed air in the conduit 51 reopens the valve 49.
Patent GB-1196751-A (GB)
Title: Improvements in or relating to Flexible Skirt Assemblies for Ground Effect Machines.
Inventor: JONES RICHARD STANTON
IPC: B60V1/00
Filed: 1967-02-20
Abstract: 1,196,751. Air cushion vehicles. BRITISH HOVERCRAFT CORP. Ltd. 28 Dec., 1967 [20 Feb., 1967], No. 8057/67. Heading B7K. An air cushion vehicle has a skirt formed by an upper inflatable part 12 secured to the structure 11 and formed with apertures 17, 19 for supplying cushion air, and a lower part formed by individual and contiguous U-section fingers 15 attached wholly (or in part, not shown) to the part 12. For optimum operating efficiency desirable proportions are specified for the finger members in which their height is between 30% and 75%, and preferably 45% to 55% of the total height of the assembly formed by parts 12 and 15, and their width between one quarter and one half their height.
Patent GB-1102394-A (GB)
Title: Power controlling device for a remote toy equipped with a reversible electric motor
Inventor: BONANNO JOSEPH LOUIS
IPC: H01H25/00
Filed: 1966-02-24
Abstract: 1,102,394. Resistance controllers for electric motors; inert switches. DE LUXE TOPPER CORPORATION. 24 Feb., 1966, No. 8068/66. Headings HlN and HIS. [Also in Division H2] A toy is equipped with a propulsion motor 16 and a steering motor 17, a remote controller for these motors having an arm 13 adapted for both swinging and twisting movement. Swinging movement of the control arm causes sliders 22, 23, to move along conductive rails 24, 25, and bus-bars 27, 28, the latter being connected to a battery 30 within the controller housing. The circuit of the motor 16 is completed either through bus-bar 27 and variable resistor 35, or, for reverse operation, through bus-bar 28 and resistor 36. The arm has a central position in which the motor is disconnected. The motor 17 is controlled by twisting movement of the arm 13, a pair of conductive slides 41, 42, co-operating with stationary sets of contacts 43-45 and 46-48 for reversing the motor. The lower end of the arm 13 is formed as a journal 58 rotatably mounted within a bearing carrying a wire element 61 defining a pair of spaced arms serving as stops to limit swinging movements of the carrier element 62 for the slides 41, 42. The lower region of the control arm is formed as a coiled spring the upper end of which is anchored to a rod, and the other end to the carrier 62.
Patent GB-1147322-A (GB)
Title: Photographic camera
IPC: G03B15/04
Filed: 1966-02-24
Abstract: 1,147,322. Photographic cameras. EASTMAN KODAK CO. Feb.24, 1966 [July 12, 1965], No. 8102/66. Heading G2A. A photographic camera has a flash holder 22 comprising a reflector 24 having a socket for a flash-cube 2, a series of lenses 25 mounted on a standard 26 for sliding movement, via a peg and slot arrangement, for varying the intensity of light over a given area, and a switch 30 for selectively connecting one or several bulbs of the flash-cube into a synchroflash circuit for simultaneous firing.
Patent GB-682538-A (GB)
Title: Improvements in or relating to electric switches and contact arrangements therefor
Inventor: HAYMAN BERNARD MAX
IPC: H01H35/34
Filed: 1950-03-31
Abstract: 682,538. Fluid actuation of switches; switches held set and freed mechanically. AUTOMOTIVE PRODUCTS CO., Ltd. March 12, 1951 [March 31, 1950], No. 8170/50. Class 38 (v) [Also in Group XXXII] The fixed contacts 10, 11 of the switch are arranged to be bridged by flattening a dished metal disc 20 (see Group XXXII) e.g. upon increase of pressure in a hydraulic braking system. The contacts are embedded in an insulating block 12 with their faces flush with the surface of the block, and the disc 20 is clamped between the block and a rubber diaphragm 17, the disc so permanently engaging the contact 11. When the pressure drops again, the disc is restored to its dished condition by its own resilience. The disc may, alternatively, be flattened by a manuallyoperable cam or by a sliding member movable diametrally of the disc.
Patent GB-384154-A (GB)
Title: Improvements in or relating to multiple-ply tubes
IPC: F16L9/16
Filed: 1932-03-19
Abstract: 384,154. Metal tubes. ARMSTRONG, J. J. V., 12, Church Street, Liverpool.- (Bundy Tubing Co. ; 4815, Bellevue Avenue, Detroit, Michigan, U.S.A.) March 19, 1932, No. 8184. [Class 99 (ii).] A multiply metal tube is formed from stock with initially bevelled edges which is formed into hollow cross-sectional form, with one wall merging into another at an off-set 3, the fans of the bevels lying along the sides of the off-set 3. The join is completed by sealing metal such as lead-tin solder, silver solder, hard solder, brazing alloys, copper, &c. In a preferred construction a radial line drawn through the middle of the offset crosses both bevelled faces. The bevelled edge may be formed by pressure or by shearing. The stock may be covered with sealing metal before shaping, so that when the bevel is formed by pressure the bevelled face has a coating of sealing metal. Specifications 15374/90, [Class 99, Pipes &c.], and 347,723 are referred to.
Patent GB-145872-A (GB)
Title: A new or improved process for firing or drying tea leaf
IPC: F26B7/00
Filed: 1919-04-01
Abstract: 145,872. Judge, C. G. L., and Hilliard, G. H. April 1, 1919. Small chambers.-Tea leaf is fired or dried by submitting it to heated air under pressure in a closed receptacle. The tea may be placed on removable shelves B in a receptacle A provided with a door C, and the air, which is pumped in by a compressor F, may be drawn through a stove G containing lighted charcoal. When the desired pressure is reached, the compressor is stopped and the apparatus is allowed to stand for a time. Finally, a valve D is opened to release the pressure suddenly and the moisture in the tea leaf flashes into steam and is swept out of the valve D with the escaping air. Reference has been directed by the Comptroller to Specification 16972/04.
Patent GB-494818-A (GB)
Title: Improvements in or relating to flat-bed type knitting machines
IPC: D04B7/06
Filed: 1938-03-17
Abstract: 494,818. Knitting-machines. ELITE DIAMANTWERKE AKT.-GES. March 17, 1938, No. 8257. Convention date, March 20, 1937. Addition to 460,126. [Class 74 (ii)] The needle pushers 4, 8 described in the parent Specification are provided adjacent the latch-opening knife edge 10 with a notch 3 for taking up stitches that are to be transferred to other needles in the machine. In the construction shown in Fig. 7, the pusher has a recess 13 to accommodate the needle head during the transfer and is tapered at 10a to support the needle latch 6. The transfer of a stitch from one needle to another is effected in two strokes of the carriage, the needle beds being displaced during the change of stroke.
Patent GB-945478-A (GB)
Title: Austenitic steels
IPC: C22C38/58
Filed: 1960-03-09
Abstract: Age-hardenable, non-magnetic, austenitic steels contain .C.0.35 to 0.60% .Mn.8.0  to 12.00% .Si.0    to  1.00% .Cr.6.0  to 10.00% .Ni.4.0  to  8.00% .V.1.1  to  1.80% .S.0    to  0.03% .P.0    to 0.05%, the balance being iron and unavoidable impurities such as normal small amounts of nitrogen.  The steel is solution-treated preferably at 2000-2200  DEG F., quenched and then age-hardened at 900-1600  DEG F.
Patent GB-364937-A (GB)
Title: Improved manufacture of turn shoes
IPC: A43B9/08
Filed: 1931-03-18
Abstract: 364,937. Boots &c. LUMBARD, H. G., 93, Hillcrest Street, Auburn, Maine, U.S.A. March 18, 1931, No. 8288. Convention date, May 5, 1930. Drawings to Specification. [Classes 17 (i) an 17 (ii).] Turnshoes.-The shoe is first lasted, while in temper, wrong side out, on a first last, then turned, then placed, while still in temper, on a second last of greater depth at its forward portion than the first last, the difference in depth being equal to the thickness of the sole of the shoe plus an amount to allow for shrinkage of the upper materials on the second last, and, finally, the shoe is allowed to set to shape on the second last. The rear portion of the second last is of greater depth than the first by an amount equal to the difference between the thickness of the sole and the thickness of the lining, upper, counter, and shank used in the heel portion of the finished shoe. The two lasts correspond to one another in crosssectional contour. The toe portion of the first last is preferably extended so that the two lasts may be of the same length. The difference in depth of the forward portions is approximately one-twelfth of an inch.
Patent GB-1471131-A (GB)
Title: Ships or boats
IPC: B63B21/04
Filed: 1975-02-27
Abstract: 1471131 Storing anchor cable SKIPSKONSULENT AS and HYDRAULIK BRATTVAAG AS 27 Feb 1975 [5 March 1974] 8299/75 Heading B7S A ship 10 has upstanding chain storage chambers 26 arranged in a row below main deck 12 extending from bow superstructure 11 to the stern and adjacent one or each of the ship sides. Stationary hauling winch 13 substantially in the centre line of the ship hauls chain over the deck to auxiliary hauling arrangement 22 mounted adjacent one or each of the ship sides and movable along the side or sides successively over openings of the storage chambers.
Patent GB-850675-A (GB)
Title: Improvements in or relating to multiple hearth furnaces and methods of operating thesame
IPC: C22B1/02
Filed: 1959-03-11
Abstract: 850,675. Multiple hearth furnaces. METALLGESELLSCHAFT A.G. March 11, 1959 [March 12, 1958], No. 8478/59. Class 51 (2). Even distribution of heat in a multiple hearth furnace 1 for roasting pyrites is assisted by extracting gases through valve-controlled pipes 10a, 10b, 10c from hearths below the top hearth, cooling them in a waste heat boiler 8, and recirculating them to lower-middle hearths through valve-controlled pipes 12a, 12b, 12c. Roasting gas is withdrawn as usual from the top hearth through a pipe 7 which also enters the waste heat boiler. Air used to cool the central rotary shaft 4 passes through an economiser 4a and pipe 5 to be introduced as primary air into the bottom hearths by branch pipes 5a, 5b.
Patent GB-831880-A (GB)
Title: Anthraquinone vat dyestuffs and process for their manufacture
IPC: C09B1/467
Filed: 1957-03-14
Abstract: 3 - Amino - 2 - (41 - methylbenzoyl) - benzene - 1-carboxylic acid is made by catalytic reduction with Raney nickel in alcohol of 3-nitro-2-(41-methylbenzoyl)-benzene-1-carboxylic acid which is made by condensing 3-nitrophthalic acid with toluene and anhydrous aluminium chloride.ALSO:The invention comprises vat dyestuffs of the formula <FORM:0831880/IV(c)/1> where the A's are anthraquinone nuclei attached to the amino linkages in the a -positions and each of which contains in at least one of the b -positions of the benzene nucleus of the anthraquinone skeleton not bound to the -NH-group, a halogen atom or an alkyl group having up to 4 carbon atoms, and X is a primary amino group or an amino group substituted by at least one alkyl or non-vattable amyl residue.  The dyes are made by condensing one molecular proportion of a cyanuric halide with two molecular proportions of the appropriate a -amino-anthraquinone and reacting the product obtained with at least one molecular proportion of ammonia or an aliphatic or non-vattable aromatic amine.  The dyestuffs dye and print fibres of natural and regenerated cellulose yellow and orange shades, and may be used as pigments.  1 - Amino - 6 - methylanthraquinone is made by cyclizing 3 - amino - 2 - (41 - methylbenzoyl) benzene - 1 - carboxylic acid with concentrated sulphuric acid.
Patent GB-578906-A (GB)
Title: Improvements in aerial mines or parachute bombs and the like
IPC: F41H11/04
Filed: 1937-03-23
Abstract: 578,906. Aerial mines. GRAHAM, A. March 23, 1937, No. 8511. [Class 9 (ii)] [Also in Group XXXIII] An aerial mine comprises a bomb 1 suspended by a cable 2 from a compound parachute the drag of which is adjusted under the control of a weak link 5 between the parts. As the drag increases after the impact of an aircraft wing- X with the cable, the bomb is drawn upwards to a position for swinging to strike the wing which is determined by the breakage of the link 5. Fig. 4 shows a two-part parachute 6, 8, the skirt part 8 of which is connected to the cable 2 by a weak link 9 which breaks under excessive pull to reduce the supporting surface to that of the part 6.
Patent GB-576685-A (GB)
Title: Improvements in means for producing flashes of light
IPC: H05B41/34
Filed: 1939-03-17
Abstract: 576,685. Electric supply to discharge lamps. GENERAL ELECTRIC CO., Ltd., FRANCIS, V. J., and THOMAS, E. R. March 17, 1939, No. 8546. Addition to 508,241. [Class 38 (iv)] Relates to means for producing flashes of light for signalling and other purposes by the over-energization of a high-pressure metalvapour discharge lamp which is connected in a circuit adapted to supply (1) a heavy " marking " current; (2) a small " spacing " current and (3) an intermediate " resting " current to ensure that the lamp discharge is maintained as described in the parent Specification. According to the invention, the small spacing current is supplied from a subsidiary supply of higher voltage than the main supply, for example, from a step-up stray field transformer fed from the normal supply, as described in Specification 493,634. As shown in Fig. 1, the lamp 1 is supplied from the A.C. source 9 in conjunction with the transformer 10, 11 through the signalling key 12 and the " resting " switch 17. With the key 12 in the neutral position, the switch 17 (which may be interlocked with the key) bridges contacts 18, 19 and the lamp is supplied with " resting " current from the source 9 through the chokes 6, 7. For the heavy current supply, the key 12 connects contacts 13, 14 and the switch the contacts 20, 21 so that the choke 7 is shortcircuited. For the small current supply, the contacts 15, 16 are interconnected so that the lamp is connected across the secondary 11 of the leakage transformer. In another arrangement, the secondary is always connected across the lamp.
Patent GB-541204-A (GB)
Title: Improvements relating to slicing machines
IPC: B26D7/01
Filed: 1940-05-13
Abstract: 541,204. Slicing-machines. BERKEL & PARNALL'S SLICING MACHINE MANUFACTURING CO., Ltd. (Maatschappij van Berkel's Patent N.V.). May 13, 1940, No. 8555. Class 28 (ii)] One side wall of the substance carrier is pivotally mounted and extends into the path swept by the substance pusher S. In Figs. 1A and 3 the side wall 14 remote from the operator of a push-pull gravity-feed machine is pivoted at 15 and frictionally held in the position shown by a screw 19 having a friction washer which engages a slotted bracket 20 on the free end of the wall 14. As the pusher advances the right-hand edge thereof, passing through an aperture 16 in the wall, engages a part 22 on the wall and pushes the wall back until it is parallel with the fixed wall 11. Fig. 4A shows part of a modification in which the wall 14 is urged outwards by a spring at the pivot and is normally locked against outward movement by the engagement of a rack 30 thereon with a catch 31 on a tumbler 32 pivoted at 32A; the advancing pusher strikes the tumbler, pushes it back against the action of a spring 34, and thus releases the wall for outward movement. In a third modification the wall is pressed inwards by a spring at the pivot and its end is entirely free, having an inwardly inclined portion which is pushed aside by the advancing pusher. The pusher is adapted to deal with a piece of substance longer than the carrier, in that it comprises two oppositelyfacing pusher plates 17, 18 pivoted on an arm 25 pivoted at 26 to the guide block 23 running on the edge 24 of the fixed plate 11. The guide block may be retracted to the upper end of the carrier, the pusher being then turned about the pivot 26 so that the rear plate 18 engages the substance.
Patent GB-904546-A (GB)
Title: Improvements in or relating to rotor blades of turbines and compressors
Inventor: KENT NELSON HECTOR
IPC: F01D5/18
Filed: 1958-03-17
Abstract: 904,546. Turbines and compressors. ROLLSROYCE Ltd. March 17, 1959 [March 17, 1958], No. 8561/58. Class 110 (3). A rotor blade of an axial flow compressor or turbine contains at least two independent internal flow paths, each comprising a plurality of passages running substantially the length of the blade, the passages of a path terminating in one of a pair of openings in or adjacent the surface of a blade root and being connected together at the opposite end of the blade. A cooling fluid, such as compressed air is fed through openings 37 in the rotor disc 10 to a circumferential slot 33. The air enters the blade through bores 22, 29. A vee-sectioned passage 20, adjacent the leading edge conducts the air to a recess 26 in the tip and passages 24 conduct the air back to the root. The trailing edge is similarly cooled through a passage 28 and a recess 31 communicating with passages 30. The recesses 26, 31 are covered by a blanking plate 27 which prevents communication between the two. The coolant passes through drillings 24a, 30a into spaces 25 and then to outlets 25a. Plates have circumferentially spaced dogs 19b which locate behind lugs 11a in the rotor disc. The dogs and lugs are so spaced that each disc can be offered up to the rotor with the dogs angularly between the lugs and can then be rotated to bring the dogs behind the lugs. The plates are fixed to the disc by set-screws 19c and when in position also hold the blade roots axially. Additional passages may be provided in the medial portion of the blade for passing coolant from the root to openings in the tip. The invention is also applicable to the heating of compressor blades.
Patent GB-643604-A (GB)
Title: Improvements in or relating to glands for rotary machines
IPC: F16J15/44
Filed: 1948-03-23
Abstract: 643,604. Stuffing-box substitutes. HALL, J. S., GARLAND, J., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. March 23, 1948, No. 8570. [Class 122(v)] A gland for a rotary pump or turbine machine comprises a labyrinth gland ring 1 mounted on the machine shaft 9 and located against an end wall 11 of the machine casing by an annular housing 12 adapted to be secured against the end wall 11 in pressure tight relationship therewith by a detachable or integrally formed flange member 21, the ring 1 having a plurality of peripheral projections 6 which extend into complementary recesses 17 in the housing in a manner to permit relative radial displacement of the ring and housing, and the ring also having a radial face '3 for cooperating with a corresponding radial face 16 on the housing 12 to provide a pressure tight seal between the ring and the housing. Four lugs 6 equi-spaced on a circumferential flange 2 on the ring 1 extend with radial and axial clearance into the complementary recesses 17 in the housing 1 which is prevented from rotating by two slots in it engaging corresponding studs fitted in the wall 11. Flexibility between the ring and housing may be provided by a pair of spring-tensioned piston members which slide in circumferentially directed bores in one radial wall of each of the lugs 6 and carry a flat plate which is forced against the opposite side wall of the recess 17.