baber/WOPTO huggingface dataset:
Patent GB-665934-A (GB)
Title: Improvements in or relating to wind motors
IPC: F03D11/02
Filed: 1949-05-17
Abstract: 665,934. Wind-motors; centrifugal fans; gas turbine plant. ANDREAU, J. E. May 17, 1949, No. 13168/49. Classes 110(i) and 110(iii). [Also in Group XXVIII] In a wind-motor, each rotor blade 1 is hollow and of streamlined cross-section and has an outlet orifice O at its tip. The rotor is thus integral with a centrifugal fan which draws air through an air turbine 6, by way of a conduit 3a and a hollow support post 3. The turbine drives an electric generator M. Fluid-tight joints e<SP>1</SP> and e<SP>2</SP> are provided. The cross-sections of the blades increase in thickness towards the hub. The camber-to-chord ratio increases from the tips to a point midway between the axis of rotation and the tips and then decreases towards the hub. The width is substantially constant and the pitch is about 0À2.
Patent GB-252405-A (GB)
Title: Improvements in or relating to bright annealing furnaces
IPC: C21D9/663
Filed: 1926-05-25
Abstract: 252,405. Siemens-Elektrowarme Ges. May 25,1925, [Convention date]. Resistance furnaces. -An annealing-furnace using an inert atmosphere comprises a heating bell 1 making a joint with an oil bath 3 in a charge supporting base, and a protecting bell 3 fitting into a sand seal 8 and within which the charge is allowed to cool after removal of the heating bell. The latter may be stationary and the charged bell 3 inserted and removed from below or, as shown, the base supporting the charge 2 and bell 3 may be fixed and the cover 1 movable. Inert gas is supplied to and discharged from the space 4 and the bell 3 through pipes 5, and ports 9, 10 respectively. On completion of the heating period the gas is withdrawn from the space 4 and delivered to another furnace or to a storage vessel, and the hot cover 1 is removed to another freshly-charged bell 3 and replaced by a cold cover. As the cooling proceeds, inert gas from a storage vessel is supplied to the interior of the bell 3 to maintain atmospheric pressure and so prevent entry of air. The cooling may be acceleratedby circulating inert gas through the bell 3 and either a cooling device or another furnace.
Patent GB-881052-A (GB)
Title: Improvements in or relating to methods and apparatus for moulding foundry cores
IPC: B22C9/10
Filed: 1960-04-13
Abstract: 881,052. Core-boxes. CLARK EQUIPMENT CO. April 13, 1960 [April 15, 1959], No. 13208/60. Class 83 (1). A method of forming a one-piece core for use in casting a vaned wheel having a number of integral curved vanes comprises pouring a hardenable mixture into a mould having a number of removable individual pattern elements corresponding to the vanes and also a removable pattern member which in part supports said elements, allowing the moulding mixture to set, removing said pattern member and then removing the individual pattern elements from the core by moving them at least in part through the space previously occupied by the removable pattern member. A core box assembly for a core 18, Fig. 3, comprises a base member 28 with an upstanding annular portion 30, a split outer annular member 34, an inner annular member 32 for mounting upon the base member 28, and a number of vane pattern elements 36, which are located between the annular members by pins 76, 82, 84. The base plate 28 and the member 34 are held together by cam members 48 on posts 44, and the inner annular member 32 is held to the upstanding portion 30 by a similar arrangement 58, 64. After moulding, the member 32 is removed upwardly, the core, vane elements and member 36 removed as an assembly from the base member 30 and the vane elements then removed by radial inward movement, Fig. 7.
Patent GB-181572-A (GB)
Title: Improvements in valves
IPC: B01F3/04
Filed: 1921-05-10
Abstract: 181,572. Stinson, H. S. May 10, 1921. F l u i d-actuated valves. - A valve device particularly applicable for main taining a fully charged supply o: liquid in the tank o: a liquid carbonating apparatus has a lit valve member actu ated by a pair of diaphragms one of which is subject to inlet pressure acting in the direction to open the valve. In the form shown, the needle valve 33 controls the supply of gas from an inlet connection 31 to a pipe 35 leading to carbonating tank 10 on which the valve casing is mounted. The valve spindle 22 has a head 23 connected to a diaphragm 21 clamped between two parts of the casing and subject to the pressure in the tank admitted through a nipple 13. The diaphragm 21 is loaded by a spring 24 arranged between the head 23 and an adjustable collar 25 mounted on a central tubular boss. A second diaphragm 36 subject to gas pressure is clamped between two parts of the casing and bears against a collar 37 on the spindle.
Patent GB-1431865-A (GB)
Title: Rail fastening arrangements
IPC: E01B9/30
Filed: 1973-03-20
Abstract: 1431865 Securing rails to concrete sleepers G JACOBSON 20 March 1973 13246/73 Heading E1G An anchor member 16 embedded in a concrete sleeper 12 comprises a shoulder having a socket 16.2 extending longitudinally of the sleeper, and a ramped upper surface 16.5, the socket and ramp cooperating to force apart the limbs of a fastening clip 26 as it is inserted at right angles to the rail. The socket shown is rectangular in cross-section and slopes upwardly towards the rail, while the clip has a long upper limb which bears on the rail foot through a gauge-adjusting plate 22 and insulator 24.
Patent GB-349261-A (GB)
Title: Improvements in electric discharge lamps
IPC: H01J61/28
Filed: 1930-04-30
Abstract: 349,261. Changing signs. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, RYDE, J. W. and JENKINS, H. G., of General Electric Co., Wembley, Middlesex. April 30, 1930, No. 13317. [Class 3 (i).] In an electric discharge lamp the form, and either or both the position and intensity of the luminous column, are varied by introducing into the lamp a continuous stream of some impurity which is cleaned up by the action of the discharge. In an example the main filling of the lamp consists of argon with a small amount of mercury vapour, into which napthalene vapour is introduced continually. The tube is provided at each end with a graphite rod electrode, and at a short distance from the inner end of each electrode a lateral tube communicates with a tube containing napthalene, which is diffused through a graphite rod or plug sealed into the reservoir tube. The end of the graphite plug is coated with sealing-wax and then provided with a diametrical notch or cut through which napthalene vapour diffuses. A ripple effect is produced with a main gas filling of neon, with hollow cylindrical sheet-iron electrodes, this effect being also produced with a main gas filling consisting of a mixture of argon with 10-20 per cent of helium, together with mercury vapour. Specification 351,579 is referred to.
Patent GB-133747-A (GB)
IPC: F16D21/06
Abstract: 133,747. Barr & Stroud, Barr, A., and Stroud, W. Oct. 12, 1918. Hand driving-mechanism. -Hand driving-mechanism of variable velocity-ratio, particularly applicable for use in conjunction with the training and elevating mechanism of telescopes, range-finders, &c., is characterized by means whereby the nature of the grip applied to the handle and cne or more associated parts transversely to the axis of the handle controls the gear through the medium of friction-clutch mechanism. As shown, a lever 2 upon the handle controls a friction-clutch lever 19 which. in one position, grips a disk 15 upon the shaft 6 and, in the other position, grips an annular portion 14 of a fly-wheel 13 keyed to the wheel 10. This wheel meshes with a wheel 8 carried by the shaft 6, and the wheel 8 in turn meshes with a fixed wheel 9. When the pressure upon the lever 2 is relieved, a spring 25 restores the parts to normal position, wherein the portion 14 is engaged frictionally by the lever 19. A doubleended lever, adapted to be depressed at one enrl or the other according to the gear desired, may be used instead of the simple lever 2. According to the Provisional Specification. the frictionclutch mechanism may be replaced by toothed or other couplings.
Patent GB-434524-A (GB)
Title: Improvements in and relating to electrodes for arc-welding
IPC: B23K35/36
Filed: 1935-05-07
Abstract: 434,524. Uniting by fusion. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. May 7, 1935, No. 13446. Convention date, May 8, 1934. Drawings to Specification. [Class 83 (iv)] An arc welding electrode, particularly for flat or horizontal welding and used with alternating current or with direct current, preferably with reverse polarity, is provided with a flux coating comprising a backing member impregnated with a flux containing from 10 to 60 per cent of ilmenite. The backing member is of fibrous material, preferably cotton tape, which may be folded longitudinally about the core with its edges abutting as described in Specification 408,183, a substantial layer of flux being present between the tape and core. The tape may be held on the core by helically winding thereon with spaced turns a flat strip made of string formed of a number of untwisted strands of thread or vegetable fibre. The strip may be coloured to indicate the flux employed. A suitable flux consists of 21 parts of ilmenite, 39 parts of felspar, 31 parts of liquid sodium silicate and 9 per cent of a deoxidizing material such as ferromanganese. A potassium felspar may be used. The felspar may be replaced by asbestos, high melting-point glasses, &c. The felspar &c. and deoxidizing material may be omitted.
Patent GB-134689-A (GB)
IPC: F02P15/02
Abstract: 134,689. Beavan, J. Dec. 30, 1918. Sparking-plugs.-A sparking-plug-holder consists of a sleeve 9 having a socket 4a constituting the valve cap, and a rotatable annulus 8 having plugs arranged with their axes radial to the axis of the annulus; any plug may be brought simultaneously into register with the opening in the valve cap and into contact with a member 12 connected to the source of current. Packing-rings 12a are provided.
Patent GB-562643-A (GB)
Title: Improvements in bead locks for tire and rim assemblies of wheels
IPC: B60C15/028
Filed: 1942-09-25
Abstract: 562,643. Wheel tyres. FIRESTONE TIRE & RUBBER CO. Sept. 25, 1942, No. 13533. Convention date, Sept. 11, 1941. [Class 144 (ii)] A pneumatic tyre is retained upon its rim even when deflated, by means of an annular channel-shaped member 11, Fig. 2, of metal of uniform gauge and having a central outwardlydirected rib 13. At diametrically opposed positions the sides of the channel are removed tangentially as shown at 12 in Fig. 1, in order to facilitate insertion of the annular member in the tyre. A rubber annulus 19 may be employed to protect the tube 21. Instead of providing tangential portions 12, the annular member may be split as shown in Fig. 4, the split ends being secured by a pivoted latch 33a and the rim being provided with a recess to accommodate the latch.
Patent GB-135627-A (GB)
IPC: G11B3/00
Abstract: 135,627. Rastall, A. R. April 16, 1919. Boring curved cylinders; turning.-The curved elbow-tubes of wooden tone-arms for gramophones &c., are formed in the shape of quarter annuli of circular section by first boring a solid block and then assembling four such blocks to form a complete annulus, which is turned up externally in a lathe. Fig. 5 is a plan of the appliance used for boring, and Fig. 6 shows the four tubes assembled for turning. A wooden block d in the shape of a quarter annulus of square section is secured in a holder g by a clamp j, the holder being pivoted on a vertical pin h to a base-plate f secured to the lathe-bed A. A bit l secured in the chuck bores out a curved passage as the block d is swung forwards by the handle k. After boring half through the block, it is removed and reversed, the boring being completed from the opposite end. When four such blocks have been bored, they are placed together to form a complete annulus, and secured by wooden plugs, Fig. 6.
Patent GB-1505774-A (GB)
Title: Boxes or trays
IPC: B65D5/66
Filed: 1976-04-03
Abstract: 1505774 Cartons CORRUGATED PRODUCTS Ltd 3 April 1976 13614/76 Heading B8P  A collapsible box or tray comprises a base panel 5, two pairs of opposed wall panels 6-9 hinged to the base panel 5, an inturned flange 12 hinged to the adjacent wall panels 6-8 and a lid 15. Triangular portions of the panels 6, 7 defined by crease lines 10 are adhesively or mechanically joined to flaps 11 on the panels 8, 9, with flaps 13 on the flange 12 sandwiched between and joined to them. To collapse the box, the panels 6, 7 are folded down on to the base panel 5, folding about the lines 10 resulting in the panel 9 and the lid 15, with side panels 17 folded inwardly, lying flat against the base panel 5. Triangular portions of the flange 12, defined by crease lines 14, are, further, folded below the rest of the flange 12, so that the flange 12 lies flat against the base panel 5. In a modification, Figs. 6 and 7 (not shown), the side panels 17 are connected to the adjacent flaps 11 by connecting portions (20) each including crease lines (21A), (21B), thus increasing the stacking strength of the box.
Patent GB-517316-A (GB)
Title: A carding machine for producing from strips of carded web, imposed-web ribbon slivers or imposed-web cylindrical slivers
IPC: D01G15/08
Filed: 1939-02-07
Abstract: 517,316. Carding-machines. HAWORTH, H. V. Feb. 7, 1939, No. 13648/38. [Class 120 (i)] A carding-machine for producing multi - web ribbon slivers from strips of carded web comprises a licker-in B, Fig. 1, two main cylinders D, F provided with sets of flats E, H, a smaller intermediate cylinder G and two doffers J. L having a fancy K therebetween. The licker-in B, first main cylinder D and the intermediate cylinder G are covered with saw-tooth metallic card clothing while the second main cylinder F and the two doffers J. L have ordinary card clothing. Cleaning grids are provided under the members B, D, F, G, and the cylinders D, G. F rotate at successively higher speeds. The fibres are taken off the points of the wire on the second cylinder F by the upper doffer J after which the remaining fibres are raised by the fancy K and doffed by the second doffer L. The web from each doffer may be divided into four or more sections and condensed through funnels into four or more slivers, the slivers from the upper doffer and the webs from the lower doffer pass through the condensing funnels together to form imposed webs resulting in four or more slivers. The four or more resultant slivers may be assembled with those of similar cards and passed through a sliver lap machine.
Patent GB-687637-A (GB)
Title: Improvements in or relating to a piston valve
IPC: F16K3/26
Filed: 1951-06-08
Abstract: 687,637. Valves. KLINGER AKT.-GES., R. June 8, 1951 [July 3, 1950], No. 13671/51. Class 135. A piston valve comprises a casing with inlet and outlet passages 1, 2 on a common axis, a longitudinally displaceable piston inclined to that axis and provided with a passage 5 to allow flow between the passages 1, 2, and a packing ring 6 which lies in a plane at right angles to the axis of the piston and through which the first-mentioned axis passes. The passage 5 is of relatively small diameter and the passages 1, 2 may converge towards the passage 5 to avoid any sudden change in cross-sectional area of the flow passage. A further packing ring 7 surrounds the piston and is spaced from the ring 6 by a cylinder 8 which is prevented from rotating by a screw 15 engaging in a slot in the cylinder. A gland 9 secured by bolts and nuts 11 serves to compress the packing rings. The valve is actuated by a screwed spindle 12, a pin 14 engaging in a groove in the piston preventing the latter from rotating.
Patent GB-705195-A (GB)
Title: Improvements relating to the oxidation of substituted cyclic compounds
IPC: C07C309/58
Filed: 1951-06-11
Abstract: Cyclic sulphonic acids having one or more side-chains or a further ring are oxidized in aqueous solution or aqueous nitric acid by means of nitric acid with or without other oxidizing agents, to carboxylic acids.  The alkali or alkaline earth salts of the sulphonic acids may be used.  Compounds containing as further substituents halogen-, nitro-, phenyl-, phenylalkyl- and carboxylicgroups may be used. Additional oxidizing agents specified include air, oxygen and nitrous gases, and soluble nitrites and nitrates.  In examples the oxidation of o- and p-toluene sulphonic acids to the corresponding sulphobenzoic acids, 1:3 1-xylene-4-sulphonic acid to 4-sulphoisophthalic acid and b -naphthalene-sulphonic acid to 4-sulphophthalic acid are described, with the use of aqueous nitric acid and oxygen in one case; the oxidation of toluene sulphonic acids containing chloro-, nitro-, benzyl- and carboxyas substituents to the corresponding sulpho-carboxylic acids is also described.
Patent GB-271875-A (GB)
Title: Water gauge particularly adapted for high pressure boilers
IPC: F22B37/78
Filed: 1927-05-23
Abstract: 271,875. Guy, B. A. May 26, 1926, [Convention date]. Indicators actuated by heat sensitive elements; indicators, electric.-A water gauge suitable for a high pressure boiler comprises a metal tube 1 surrounded by an electric heating coil 3 which causes that part of the tube above water level to become incandescent, while the part below remains cooler due to contact with the water. In a modification, the gauge tube may have short projecting branches each having an electric heater, and enclosed in a glass tube containing a substance which has a different appearance in solid or liquid form. In another modification, electric lamps may be placed in recesses in the gauge tube, and these vary in brilliancy according as they are opposite the steam or water space. In another modification, short tubes project from the gauge tube into 'another vertical glass tube but are closed at that end. The glass tube contains a liquid which boils in contact with those cross tubes containing water, but not in contact with those tubes which contain steam. The temperature differences may alternatively be indicated by pyrometers, thermometers, thermo-electric apparatus, &c. The heating of the gauge tube may be by furnace gases.
Patent GB-1317123-A (GB)
Title: Air sifters
IPC: B07B7/08
Filed: 1971-05-07
Abstract: 1317123 Centrifugal air classifiers BAYERISCHE BERG-HUTTEN-UND SALZWERKE AG 7 May 1971 [16 June 1970] 13828/71 Heading B2P In an air sifter for separating powdery material into two fractions of different sizes and comprising a cylindrical sifting chamber 4 bounded by two flat end walls 5 having central apertures 8 for the discharge of sifting air carrying the fine fraction and by a peripheral adjustable vane ring 3 through which sifting air is admitted to the chamber, the sifting chamber has an enlarged cross-section 6 in the axial direction in its outer zone directly radially inside the vane ring 3, and the feed of the material to be separated is effected by way of a duct 1 joining the enlarged cross-section 6 tangentially and at an angle to a plane at right angles to the axis of the chamber. The enlarged cross-section of the sifting chamber is formed by opposite annular grooves 6 in the end walls 5. Feed ducts 1 lead to openings 2 in the bottom of the grooves 6. The fine fraction is moved inwardly by the predominant force created by the radial component of the spiral flow of sifting air entering through the vane ring 3 towards the central apertures 8. The coarse fraction under the predominant action of centrifugal force is discharged with a portion of the sifting air through openings 17 in the grooves 6 and then through discharge ducts 11 which are connected to a cyclone for separating the coarse fraction from the air. In a modification, Fig. 6 (not shown), the radially inner edges of the annular grooves 6 are rounded off and a second annular roundedoff edge may be formed on each end wall 5 radially inwardly from the inner rounded edge of the annular groove. In a further modification, Fig. 5, the coarse material and air are discharged through apertures in the grooves and thence through ducts 12 to a cyclone separator 13 from which the air is discharged via pipes 14 and adjustable choke 19 into a spiral casing 16 connected to outlet pipes 15 which communicate with the central discharge 8 for the fine fraction. A suction blower is connected to a connection piece 22 of the spiral casing 16.
Patent GB-313279-A (GB)
Title: Improvements in or relating to grinding or abrading machines
IPC: B24B41/00
Filed: 1928-05-10
Abstract: 313,279. White, A. E., (Heald Machine Co.). May 10, 1928. Chucks.-In a grinding-machine a device is provided for automatically feeding work pieces and removing them when ground to size. The machine consists of a reciprocating table 1 carrying the grinding-wheel 11, the work a being supported in an automatic chuck carried by a head on a bridge 4. The chuck 6 has slidable spring- opened jaws' 7 pivoted on a member 8 carried by a rod 9 slidable in the bore of the work spindle 5 to open or close the chuck. In order to remove and replace the work automatically, the table 1 has adjustably mounted thereon a member 17 having therein a cam groove with a straight portion and offset parts adapted to be engaged by a roller 25 on a lever 26 pivoted to the work head, and connected by a link 28 and arm to a vertical shaft 30. The shaft 30 gears with an inclined shaft 34 carrying an arm 37 a spring plug 38 adapted to engage in the bore of the work, and during an extended stroke, when the work is to size, the roller moves along the offset parts of the cam, giving the movements to the arm 37, the first movement moving the plug into the work. Simultaneously with this movement, rotation of the work is stopped by a clutch, and the chuck is then released from the work by movement of the rod 9 by means of a piston thereon movable in a cylinder 41, fluid being admitted thereto and exhausted therefrom under control of a valve in a casing 49 moved by an arm 57 on the table 1. When the arm 37 moves down to carry a new work-piece down to position B for positioning on the chuck, the valve is moved by the arm 57 to cause the chuck to grip the work, the arm then again moving to the inoperative position and rotation of the work being again started.
Patent GB-253116-A (GB)
Title: Improvements in or relating to changeable signs or exhibitors
IPC: G09F11/02
Filed: 1926-06-01
Abstract: 253,116. Time-Ad Corporation, (Assignees of Mitnitzky, I.). June 4, 1925, [Convention date]. Dials. - An object, such as the hands 14 of a clock or other indicator, moves in front of a changing sign which may comprise a series of parallel rollers 3 which in one position show the complementary features of the object, and in other positions show a blank. The clock &c. mechanism 10 is located behind the rollers 3, and the arbor 12 passes between two of the rollers, which if necessary are reduced in diameter at this point. The rollers 3 may be geared together, and fitted at intervals with sprocket wheels 6 operated by a chain 7 driven by a power sprocket 8.