baber/WOPTO huggingface dataset:
Patent GB-182140-A (GB)
Title: Improvements in the manufacture of bread
IPC: A21D2/04
Filed: 1920-03-04
Abstract: 182,140. Watson, W., Jones, D. W. Kent-, and Woodlands, Ltd. March 4, 1920. Cereal preparations.-Bread is made from flour which has been mixed with acid ammonium sulphate and chlorine or a compound containing chlorine. Suitable chlorine compounds are hydrochloric acid, magnesium chloride, ammonium chloride, the double chloride of magnesium and ammonium, or harmless chlorates, perchlorates, or hypochlorites. A portion of flour may be treated with gaseous chlorine or hydrochloric acid, or with the other reagents mentioned, and added to the remainder of the flour. Pyrosulphates or persurphates may also be added. Specifications 17614/07, 2778/11, 1194/12, 21012/12. 5405/13, 9539/13, 1690/15, 117,917 and 137,365 are referred to.
Patent GB-540382-A (GB)
Title: Improvements in or relating to photographic materials
IPC: G03C1/835
Filed: 1940-04-12
Abstract: 540,382. Photographic anti-halation layers. KENDALL, J. D., and CHALLIS, K. J. April 12, 1940, No. 6692. [Class 98 (ii)] Photographic material comprises a transparent support having on one face thereof one or more light-sensitive coatings and on the other an antihalation layer comprising a continuous film of the mixed resin acids of tall oil having dispersed therethrough a dye or pigment, preferably a triphenylmethane dye, absorptive of light of wavelengths to which the light-sensitive coating is sensitive and preferably destroyed or discharged by normal developer solutions. The commercial material known as " silvestic acid " may be used, but is preferably purified by solution in sodium carbonate solution, filtering, and precipitation with acid. With panchromatic emulsions a green or black dye is suitable, and with ortho-chromatic and non-colour sensitized emulsion red and yellow dyes respectively are suitable. Dyes such as Benzaurin, Acid Green G, Acid Magenta, and Lissamine Green SF may be employed. Mixtures of dyes or pigments or both may be used. The anti-halation layer may be formed by dissolving the mixed resin acids in a solvent such as acetone or ethyl alcohol, adding sufficient dye, coating on the support, and evaporating off the solvent. In examples, (1) a solution of the mixed resin acids and Benzaurin in acetone is coated on the opposite face of a glass plate to an orthochromatic emulsion; (2) a solution of the resin acids and Acid Green (or Lissamine Green SF) in methyllated spirit is coated on the opposite side of a glass plate to a panchromatic emulsion ; (3) a solution containing the resin acids, ethylene glycol monomethyl ether, and Acid Green G in methylated spirit is employed similarly to the solution of example 2; (4) a similar solution containing Acid Magenta as dye is used similarly to the solution of example 2.
Patent GB-617241-A (GB)
Title: Improvements in and relating to heat exchange apparatus
IPC: F28F13/06
Filed: 1945-03-16
Abstract: 617,241. Tubular heat-exchange elements; hot-water boilers. HADEN & SONS, Ltd., G. N., and BRUCE, H. H. March 16, 1945, No. 6716. [Classes 64 (i) and 64(iii)] In a water boiler, storage water heater, air heating stove, convection heater, recuperator or other heat exchanger, in which heat is transferred from hot gases in a flow tube to a fluid around the tube, one as more hollow radiants, of open work material of conical, pyramidal, or other dished shape, extend across the flow space of the tube from side to side to present a large total surface both to the hot gases and to the inner surface of the tube, to absorb heat from the gases and radiate it to the tube surface. The material is of mesh-like or other form with many holes or their equivalent to allow substantially free flow of the hot gases, and has a large total superficial area for heat radiation. It may be wire mesh, expanded metal, volute wound wire or metal ribbon, asbestos or the like woven and reinforced with wire, or moulded or cast fireclay or other heat-resisting plastic material. In a water-heater, Fig. 1, heated by a gas burner 9, four conical wire-mesh radiants 4 are supported in the tube 1 by a rod 6 which also carries baffles 10 spaced by collars 11. The lower part of the tube 1 is insulated, e.g. by a single air space, a lining of asbestos, or as shown by air spaces formed by tubes 13, 14, to reduce condensation. The tube 14 may extend to the top of the tube 1 and be of stainless steel. In a modification, the radiants are of inverted bowl-like form. Alternatively, they may be frusto-conical or frustopyramidical and open at both ends, and arranged base to base, apex to apex, or base to apex. When the tube 1 is provided with a smaller coaxial tube which may be a water-tube or, as shown in Fig. 4, a fluetube 18 with an associated damper 20, the radiants 19 are annular and of partcircular or angular cross-section.
Patent GB-104959-A (GB)
Title: An Improved Mechanical Tee Joint for Multicore Electric Cables.
Inventor: LOVELL ALEXANDER JENNER
IPC: H01R11/26
Filed: 1916-05-11
Abstract: 104,959. Lovell, A. J. May 11, 1916. Couplings.-A T-joint for connecting a branch conductor to a main cable comprises three parts a, b, c which are secured together and caused to grip the cable by a nut f upon a screwthreaded bolt passing through a hole in each part. The branch conductor is received by a perforated lug h upon the part a, and the part c hinges upon the middle part b, so that the main cable can be gripped within the opening d. The fulcrum is provided by a projection e engaged by a lug g.
Patent GB-676009-A (GB)
Title: Improvements in or relating to indirectly-heated cathodes for electric discharge tubes
IPC: H01J1/22
Filed: 1949-03-11
Abstract: 676,009. Thermionic valves. PHILIPS ELECTRICAL, Ltd. March 11, 1949 [March 15, 1948], 6742/49. Class 39 (i). [Also in Group XI] The heater wire 10 of an indirectly. heated discharge-tube cathode 6 is flattened, as at 9, from near the point at which it emerges from the insulating filling 7. The flexibility of the part 9 prevents the wire from fracturing at this point. It may be torsioned to facilitate use as a lead, or the heater wire may have two flattened portions, at rightangles to each other, Fig. 4 (not shown).
Patent GB-612434-A (GB)
Title: Improvements in and relating to cathode ray tubes
IPC: H01J29/70
Filed: 1946-03-05
Abstract: 612,434. Cathode-ray tubes. DAVIES, G. T. March 5, 1946, No. 6819. [Class 39 (i)] In a cathode-ray tube, suitable for a highspeed oscillograph, the deflection system is in the form of a transmission line, along which the input signals travel at the transit speed of the electron beam. The system comprises two plates 3, parallel or diverging, which are slotted alternately from each edge so as in effect to provide a continuous strip doubled back several times on itself. One end of the system is connected to the high-frequency input signals at 9; the other end may be connected to an impedance 11 matching the impedance of the line. Specification 428,911 is referred to.
Patent GB-408439-A (GB)
Title: Improvements relating to testing arrangements in selective switching systems
IPC: H04Q3/00
Filed: 1933-03-07
Abstract: 408,439. Automatic exchange systems. SIEMENS BROS. & CO., Ltd., Caxton House, Tothill Street, and PATTERSON, W. G., 59, Grove Park Road, Mottingham, both in London. March 7, 1933, No. 6889. [Class 40 (iv).] A test relay which operates quickly when a hunting switch finds a definite potential by means of a single moving contact stops the switch, applies busy potential to the test wire and controls an auxiliary relay in a local circuit. Three arrangements are shown in connection with a call finder LF driven by an electro motor DM and controlled by relays in the allotter AL. In Fig. 1, which forms part of the system shown in Specification 400,733, the hunting operation is started by the energization of relay TA (not shown). Test relay TB upon operation disconnects the latch magnet LM, applies ground to the test wire through a rectifier r and connects up TC, which locks and applies a further busy ground. The operation of cut-off relay K in the line circuit reduces the current in the test wire, but without effect since TC is already locked. TB, TC are released by short-circuiting when switching relay HA (not shown) pulls up. In Fig. 2, a second test relay TD of lower impedance is provided. TB upon operation disconnects the latch magnet and applies busy ground through TD, which energizes and connects up TC. The latter locks and applies a further busy ground. In Fig. 3, TC is released by TB. TA (not shown) connects up TC which locks in series with the latch magnet LM to start hunting, while TE energizes and opens the original circuit of TC. TB upon operation disconnects TC and the latch magnet and applies busy ground, a further ground being applied on the relapse of TC.
Patent GB-144809-A (GB)
Title: Improved manufacture of hollow rubber articles
IPC: B29D22/00
Filed: 1919-03-19
Abstract: 144,809. Roberts, F. T., and Rosenfeld, R. H. March 19, 1919. Vulcanizing; india-rubber, jointing; junction rubber.-A hollow rubber article, such as a valve ball or flush tank bulb, Fig. 1, is made of two kinds of rubber, one (A) stiff, the other (B) flexible, the two parts being abutted and joined on edge after the stiff part has been partly vulcanized. After assembling, vulcanization is completed. The stiff portion may be made of inferior rubber which is subsequently covered with a layer of superior rubber. Fig. 3 is a section of a two-part mould 1, 2 for making member A. A spud C and rod 8 are first inserted in the mould. The annular cavity 9 receives the web of rubber, which is cut off after the moulding is complete. The member A may be partly vulcanized in this mould, and is then transferred to one member 10 of a mould, Fig. 6, the upper member 20 of which is adapted to form the flexible portion B<2> of the hollow body. The portion B<2> is formed by placing a sheet of raw rubber over the lower face of the member 20 and drawing it into the cavity 21 or series of cavities when a number of articles are made simultaneously, by producing a vacuum in cavity. The members 10 and 20 are then brought together, the flexible rubber is cut off by knife-edges 12. 22 and a joint is produced at the surface a. The article may be vulcanized in the mould, internal gas pressure being produced in the usual way by a gas-generating substance or by gas under pressure enclosed in the article, for example, by placing the moulds 10, 20 before they are brought together, in a chamber containing gas under pressure. To produce a flexible portion of uniform thickness a mould, Fig. 7, is used having a convexity 26 and two exhausts 28 to draw the rubber against the mould. This form is finally vulcanized under internal gas pressure whilst in a hemispherical shape. An exhaust is also provided at 17 to draw into the upper cavity, before the stiff member A is inserted, a layer E<1> of superior rubber as referred to above.
Patent GB-1169853-A (GB)
Title: Power Supply for Glow Discharge Type Vacuum Pumps
Inventor: QUINN DALE LAVERNE
IPC: H02M7/10
Filed: 1968-02-13
Abstract: 1,169,853. Supply systems for glow discharge vacuum pumps; rectifying. VARIAN ASSOCIATES. 13 Feb., 1968 [6 March, 1967], No. 6933/68. Headings H2F and H2H. The power supply for a glow discharge getter ion vacuum pump comprises a high reactance transformer 22 and a rectifier bridge 32, the bridge being associated with two capacitors 17, 18 so as to form a voltage doubling device under certain operating conditions of the pump. The capacitors 17, 18 are connected in series across the D.C. terminals of the bridge 32 with the interconnection between the capacitors connected to one of the A.C. terminals of the bridge. The high reactance of the transformer 22 is effected by means of a magnetic shunt arranged between the primary and secondary windings 7, 8. The glow discharge within the pump is characterized by two operating regimes, one of which is a high pressure regime having a low impedance, the other being a low pressure regime having a high impedance, the supply voltage required during high pressure operation being much lower than that required during low pressure operation. With the power supply disclosed in Fig. 3 and the pump operating with its high pressure, low impedance characteristic, the capacitors 17, 18 will have little effect and the bridge 32 will function as an ordinary rectifier bridge producing an output voltage of, say, 3.75 kV. When the pump is operating with its low pressure, high impedance characteristic, the two rectifiers 27, 28 will have little effect and the elements 15-18 will function as a voltage doubling device producing an output voltage of, say, 7.5 kV.
Patent GB-398205-A (GB)
Title: Improvements in and relating to heat insulators
IPC: E04B1/80
Filed: 1932-03-08
Abstract: 398,205. Nonconducting coverings for heat. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.- (Assignees of Knight, J. L. ; 4016, Morse Street, Lawrence Park, Erie, Pennsylvania, U.S.A.) March 8, 1932, No. 6948. Convention date, March 9, 1931. [Class 64 (ii).] A heat insulator comprises a cellular structure with several layers of air cells limited in cross section to prevent convection currents, the walls of the cells in the direction of heat transfer being of thin paper of thickness less than 0À004 inches and the cells being not more than 0À18 inches in the direction of heat transfer and in one direction perpendicular thereto. Sheets 2 of corrugated paper, preferably spaced by flat sheets 4, are arranged with corrugations staggered to prevent nesting or arranged transversely, sulphate paper of 0.0025 inches thickness being used with sheets 4 spaced 0.14 inches apart. Each block is enclosed either loosely or glued, e.g. with sodium silicate, in a carton 5, which may be hermetically sealed and waterproofed. Reference has been directed by the Comptroller to Specifications 12212/00, [Class 64, Heating], and 316,202, [Class 64 (ii), Heating systems &c.].
Patent GB-512487-A (GB)
Title: Improvements relating to screw propellers and screw propeller type fans, pumps and the like
IPC: F04D29/32
Filed: 1938-03-05
Abstract: 512,487. Screw fans. McINTYRE, J. T., March 5, 1938, Nos. 6981/38, 27168/38 and 3561/39 (divided out of 515,469). [Class 110 (i)] [Also in Group XXXIII] A screw propelling apparatus comprises an impeller 3 having blades of aerofoil cross section of increasing width from tip to hub and of decreasing geometric pitch from tip to hub in combination with an inlet guide vane assembly 4 co-axial with the impeller the blades of which also have a decreasing geometric pitch from tip to hub. Curvature of the blade section is constant or increases from tip to hub whilst the relative thickness of the blade sections increases from tip to hub. With this apparatus may be used an outlet guide vane assembly 5 the helical pitch of which at least in the tip section is the same as that of the impeller blades. The complete assembly may be placed within a casing 10. When applied to a screw propeller the casing may be carried by the fixed inlet vanes 4 and its section 13 be' of streamline form and extended to include the propeller blades 3. Alternatively it may stop short of the blades 3 and in that case the diameter of the guide vane system may be less than the diameter of the screw propeller.
Patent GB-845467-A (GB)
Title: Improvements in watering cans
Inventor: WALKER JAMES STEWART
IPC: A01G25/14
Filed: 1958-03-05
Abstract: 845,467. Watering cans. FRASER & GLASS Ltd. Feb. 19, 1959 [March 5, 1958], No. 7033/58. Class 66. A watering can 1 of plastics material has a telescopic spout formed of a fixed part 7 and a movable part 8 which is preferably of resilient plastic, the part 7 being screwthreaded to engage a boss 5 on the can. The part 7 may be of a resilient plastic and the part 8 of a hard plastic or other rigid material, the end of the part 8 being flared at 11. The can has a fixed handle 2 and swivel handle 3.
Patent GB-310610-A (GB)
Title: Improvements relating to belt sifting devices
IPC: F16H7/22
Filed: 1928-03-07
Abstract: 310,610. Broughton, J. March 7, 1928. Bands, placing on and throwing off pulleys.- A belt is thrown between a pulley 2 and a hanger 5, 8 by pins 9, 9<a> engaging opposite sides of the belt and secured on horizontal bars 11, 11<a> pivoted to crank cross 14, 14<a> adjustably and removably secured to a vertical shaft 12 rotated through spur gearing 15, 16 by a shaft 17 turned by a wheel 19 or through bevel gearing by a pulley turned by a rope. The pins 9 are, and the pins 9<a> may be, also secured to guide bars 20, 20<a> respectively, sliding in holes in the plates 3 which is supported from overhead or otherwise and carries the whole of the apparatus. Adjustment or replacement of the crank arms 14, 14<a> provides for the use of the apparatus with different belts and pulleys. The hanger consists of a plate 3, which plate 5 may be replaced by rollers, and of rollers 8 on bolts 22 similarly adjustable in slots 23 radial to the axis of the shaft on which the pulley is mounted. The plate 5 acts as a braking-member to bring the belt to rest.
Patent GB-565880-A (GB)
Title: An improved kaleidoscope
IPC: G02B27/08
Filed: 1943-05-05
Abstract: 565,880. Kaleidoscopes. STYLE TOYS, Ltd., and STYLES, W. H. May 5, 1943, No. 7100. [Class 97 (i)] The case of a kaleidoscope is formed with a housing to enclose a battery and electric light bulb situated so as to be directed away from the user's eye and to illuminate the pieces to be viewed. As shown, the casing of a kaleidoscope having a viewing aperture d, mirrors on equal sides b and a white sloping end e, against which the movable pieces lie, is formed with a housing h for an electric battery j and lamp m. The housing h may have a sloping end k carrying the lamp, with or without a reflector, and a lid n which may be hinged at o and secured by a clip at the position p ; a switch r controlling a lead s may be provided in the lid. The casing may be of mouldable plastic material or metal, and the portion q of it may be transparent to permit the use of an external light source.
Patent GB-871364-A (GB)
Title: Loading and/or unloading of assembly machines
IPC: B29D23/20
Filed: 1960-02-29
Abstract: 871,364. Injection-moulding machines. AMERICAN CAN CO. Feb. 29, 1960 [March 31, 1959], No. 7105/60. Class 87(2). Apparatus for loading and /or unloading workpieces, e.g. tubular containers, into and/or from an injection moulding machine comprises indexible supporting means for bringing at least one set of cooperating working members to a loading and/or unloading station, means for separating and closing said members at the station for the loading and/or unloading operation, and a reciprocable slide the head of which is provided with means to engage and hold a workpiece and is movable between the members and retractable to permit their closure. A machine 11 for injecting heads &c. on to tubular bodies includes a table 13 indexed at a loading and unloading station 17 and carrying sets of dies 19 each comprising a mandrel 21 and a female member 23 ; each mandrel 21 being attached to a head 27 which is raised by cylinder 31. A slide 37 having fresh tubes T in three cups 41 on its upper surface and having carrier members 43 clamped on its under surface is projected by cylinder 39 between the die members. Pins 33 are raised to move finished containers F into frictionally held position in carriers 43 and mandrels 21 are lowered into cups 41 and frictionally pick up fresh tubes T. Mandrels 21 and pins 33 are then withdrawn, slide 37 retracted, and mandrels 21 fully lowered to enclose the tubes T in dies 19 which are then indexed to an injection station. Carriers 43 together with tubes F are released from clamps 45 on to a conveyer 53 and empty carriers are moved into position on conveyer 53 beneath the slide 37 by an electrically operated gate mechanism, Fig. 5 (not shown). Tubes T are moved into cups 41 for positioning beneath the mandrels by a pusher member 83 which pushes three tubes from a feed track 81 on to pins 85, 87, 89 which are raised by carriage 91 and the tubes are stripped by member 107 and fall down shoots 51 into the cups.
Patent GB-434671-A (GB)
Title: Portable air-conditioning apparatus
IPC: F24F3/12
Filed: 1934-03-06
Abstract: 434,671. Disinfecting air. BERLOWITZ, M., 105, Kurf³rstenstrasse, Berlin. March 6, 1934, No. 7175. Convention date, March 16, 1933. [Class 81 (i)] [See also Group XII] For cleansing and moistening air, a motordriven centrifugal pump, e.g. a hollow inverted core d dips into a liquid and delivers it over its top edge on to a perforated container h packed with filling bodies g through which air is forced by a fan b co-axial with the motor c. Ozone may be added to the air, and oxygencontaining compounds, iron chloride or ice may be added to the liquid. Heating or cooling coils k may be incorporated. The apparatus may be shielded on one side to make its action directional. On trains &c. the external air draught may be used to operate the centrifugal pump. Specification 233/96, [Class 51], is referred to. The Specification as open to inspection under Sect. 91 comprises also the use of a screen of sheets of fabric in place of the filling bodies g. This subject-matter does not appear in the Specification as accepted.
Patent GB-174869-A (GB)
Title: Improvements relating to dynamo electric generators for lighting bicycles and the like
IPC: B62J6/06
Filed: 1921-03-05
Abstract: 174,869. Bullinger, X. March 5, 1921. Dynamos, supporting and mounting on vehicles and the like. - An electric-light generator for bicycles &c. is provided with a carrier adjustably held in a clip, a strengthening-rod fitted to the base member of the clip to prevent it from bending under the pressure of the clamping - screws, and a girdle for strapping the generator to the head of the carrier, the girdle being formed with beaded ends fitting in slits in the carrier head. Fig. 1 shows a generator o secured to the carrier head g by a girdle m which is tightened by the screw n. The generator casing is formed without projections so that it may be slid into the girdle. The sheet-metal base member a of the clip is strengthened by a rod e, which may engage a slot f in the head g to fix the generator either in or out of the operative position.
Patent GB-1212715-A (GB)
Title: Shaft sealing ring
IPC: F16J15/34
Filed: 1968-02-14
Abstract: 1,212,715. Shaft seals. STEFA INDUSTRI A.B. 14 Feb., 1968, No. 7238/68. Heading F2B. In a rotary shaft seal comprising an elastomeric sealing ring having a hub portion 11 gripping the shaft 10 and an integral frustoconical flange 12 whose free edge 13 is in rubbing contact with a radially-extending surface 14, the inner surface of the flange 12 is formed with grooves 17 which, in use, act as fan means to prevent grit entering from the space 15 between the edge 13 and the surface 14. The grooves 17 may be radial or non-radial as in Fig. 2 and may terminate short of the edge 13, Figs. 5 to 8 (not shown). The flange 12 may be urged towards the surface 14 by a garter spring (19, Fig. 5).
Patent GB-513470-A (GB)
Title: Improvements in and relating to electric transmission lines
IPC: H04B3/14
Filed: 1938-03-08
Abstract: 513,470. Transmission systems. GENERAL ELECTRIC CO., Ltd., and LEY, D. A. March 8, 1938, No. 7248. [Class 40 (iv)] [Also in Group XL] When a section of transmission line having an attenuation characteristic such as 1 is coarsely compensated by means of a single T, # or like section having a characteristic such as 2, the resultant characteristic 7 shows a dip as at a; and when a number of equalizers are inserted at intervals along a line so as to neutralize different line sections, Fig. 1 (not shown), a number of dips occur at different frequencies. According to the invention, each equalizer is associated with an auxiliary equalizer, Fig. 3, such as 3, 4, 5 or 6, Fig. 2, whereby the corresponding dip is compensated. The resistances R1, R2, R5, Fig. 3, in the auxiliary equalizers are provided with tappings so that their effects may be adjustable.