baber/WOPTO huggingface dataset:
Patent GB-1477646-A (GB)
Title: Electrical appliance for making sorbet or ice cream
IPC: A23G9/12
Filed: 1974-11-21
Abstract: 1477646 Mixing apparatus ETUD SA 21 Nov 1974 [30 Jan 1974] 50535/74 Heading B1C [Also in Divisions F4 and H1] A mixer for insertion in a refrigerator of the type described in Specification 1375457 has means to effect withdrawal of the blades as the product freezes, together with a device to break the motor circuit as the result of the withdrawal of the blades.  In the embodiment of Fig. 1 (see also Figs. 2-6, not shown) the pinions 80, 79 are integral and slidable on a spindle 81; as the torque on the driving shaft increases due to increasing viscosity, the axial component of the face between pinions 78 and 79 causes 79, 80 to descend, carrying down feelers 92, 93 and plate 94 which has a lug engaging microswitch 101. When the blades withdraw, spring 91 raises assembly 79, 80, 92, 93, 94 allowing microswitch 101 to break the motor circuit. The device is reset by push-button 90' or by rotating the blades backwards. In another embodiment (see Figs. 7-12, not shown) a stepped pinion (105, 106) corresponding to 79, 80 acts directly on a microswitch and has a cam resetting arrangement accommodated in a counterbore in the smaller pinion and actuated by rotating the blades backwards. In a further embodiment, Fig. 13, the blade arm 127 has a projection 129 which in the withdrawn position contacts a lever 126 on the motor housing and rotates it to switch off the motor. Alternatively the lever 126 may be replaced by a fixed abutment; the motor being thus arrested without being switched off, its temperature rises and actuates a thermal switch.
Patent GB-508469-A (GB)
Abstract: 508,469. High - vacuum distillation vitamins. KODAK, Ltd. Nov. 27, 1937, No. 32773. Convention date, Nov. 27, 1936. Drawings to Specification. [Class 32] [Also in Group IV] Oils containing fat-soluble vitamins are subjected to a high-vacuum distillation process in which the oil is first distilled at a pressure below 0À01 mm. of mercury, at least one fraction containing most of the fatty acids at a temperature below 170‹ C. segregated, and fractions of high vitamin ester potency at temperatures between 180 and 240‹ C. collected. The process may be carried out under conditions of molecular distillation and a fraction substan.- tially of vitamin A ester collected at 180‹ C. In practice, components up to 170‹C. (e.g. free fatty acids) are segregated, the fraction distilling between 170 and 195‹ C. collected and returned to fresh incoming oil, fraction of high vitamin potency over the range 195-230‹ C. being collected. In an example, the free fatty acids are removed from cod liver oil by distilling up to 120‹ C. These fatty acids contain a small amount of free vitamins A and D. The fraction at 170‹ contains 50 per cent of fatty acids, 49 per cent of glycerides, cholesterol and 600 U.S.P.X free vitamin D. The fraction at 185‹ C. contains 5-12 per cent of fatty acids, 2,000-3,000 U.S.P.X free vitamin D, and 20,000 U.S.P.X. vitamin A esters per gram. The fraction at 215‹ C. contains 1,500-2,500 U.S.P.X. high-boiling vitamin D, 50,000- 70,000 U.S.P.X. vitamin A ester and 3 per cent of cholesterol. The fraction at 235‹ contains 500-1,500 U.S.P.X. high boiling vitamin D, 20,000 U.S.P.X. units of vitamin A ester and 1 per cent of cholesterol. The fraction at 240‹ C. consists of bland oil. The first fraction may be used as a source of free fatty acids. The second fraction may be filtered, distilled or saponified and extracted to recover the vitamin and cholresterol content. The third fraction is rich in vitamin D and poor in vitamin A and may be neutralized and redistilled to separate the vitamins. The fourth fraction is rich in both vitamin A and D. The two vitamins may be separated by saponifying and distilling off the vitamin D in the non-saponifyable portion. The high boiling vitamin D from the fifth fraction may be obtained by saponification and if necessary, distillation. British Specifications 479,802, 482,880, 482,883, and 487,697, and U.S.A. Specifications 1,942,858 and 1,955,321 are referred to.
Patent GB-1449599-A (GB)
Title: Filters for filtering gaseous streams
IPC: B01D46/24
Filed: 1972-11-03
Abstract: 1449599 Filter D A G MARSHALL 17 Oct 1973 [3 Nov 1972] 50866/72 Addition to 1322718 Headings BID and BIT Two or more filter elements, each comprising an initially flat piece of open-pore foamed polyurethane seamed to form a sleeve and reinforced by a layer of plastics mesh or plastics-coated metal mesh bonded thereto by contact when the plastics mesh or coating was molten, are stacked within a common housing comprising concentric perforate tubes 26, 30 and removable end cap 46. Seals 38-44 are provided. The filter is for an I.C. engine air intake, and outlet spigot 36 may be threaded. Elements may comprise two layers as in the parent specification.
Patent GB-1440506-A (GB)
Title: Dyeing process
IPC: D06P3/26
Filed: 1973-11-02
Abstract: 1440506 Dyeing and printing SANDOZ Ltd 2 Nov 1973 [6 Nov 1972 30 Jan 1973] 50924/73 Heading D1B Natural and synthetic organic substrates are dyed or printed with a dyeing or printing medium in the presence of 0.1 to I part by weight per 1000 parts of the dyeing or printing medium of a lactone to adjust the pH value from a neutral to basic value to pH 4 to 6.5. The lactone may be of formula: in which each of R1 and R2 which may be the same or different is hydrogen or a C1 to C8 alkyl group and n is 1, 2. 3 or 4, the preferred lactone being gamma-butyrolactone. The lactone may be added simultaneously with an alkaline agent or is added afterwards during the dyeing. Substrates include wool, polyamides, polyesters, polyacrylonitrile, polypropylene, cellulose tri- and 2¢-acetate, acid dyes being employed if desired in conjunction with basic and disperse dyes.
Patent GB-1118837-A (GB)
Title: Improvements in or relating to vacuum pumps
Inventor: PEGON PIERRE
IPC: F04F9/00
Filed: 1966-11-15
Abstract: 1,118,837. Diffusion pumps; baffles. CLOVER. Nov. 15, 1966, No.51198/66. Heading F1E. In a method of diffusion and condensation pumping, a boiler 5, Fig. 1 is positioned outside a pump casing which houses ejector nozzles 9 and condensation plates 12a, 12b in unitary groups, electrical heaters 10 are mounted in piping systems 7 carrying the ejector nozzles, a cooling circuit 14 is mounted on a condensation plate and connection between the boiler and the pump is effected through valves 18, 19 permitting isolation of the valve from the pump. The boiler 5 supplies vapour through electrically-heated pipes 6 to the piping systems 7. Nozzles 9 are arranged in successive pumping stages 24 ... 27. Condensed oil flows into tank 15 through conduit 35 or through the pumping stage 27, and is returned to boiler 5 by pump 16. In another embodiment a crucible 43, Fig.2, having a heater 44 and radiation screens 45, is mounted within a chamber 4' having a cooled baffle 38 and an annular valve 32. A primary vacuum is obtained by opening valves 36, 37 and 17 to open the communication between the primary pump and chamber 4', crucible 43 and electricallyheated conduit 6. Valve 17 is then closed, the electrical heater 68 and heating resistances of pipe systems 6, 7 are switched on and valves 18, 19 are opened. Valve 32 is opened to commence diffusion pumping. Pump 16 returns condensed oil from tank 15 to boiler 5, the pump 16 being controlled by the fluid level in the boiler. In another embodiment, the conduit system (6), Fig. 3 (not shown) supplies horizontal distribution racks on which vertical piping systems are arranged. A series of vertically parallel rows of ejector nozzles (9a. . . 9d) are arranged between vertical cooled condensation plates (12'), a number of such series being arranged side-byside.
Patent GB-1094069-A (GB)
Title: Improvements in laminated magnetic cores
Inventor: JUMP LESLIE
IPC: H01F41/02
Filed: 1964-12-17
Abstract: 1,094,069. Transformers. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. March 4, 1966 [Dec. 17, 1964], No. 51409/64. Heading H1T. The adjacent groups of laminations of a laminated core (e.g. for transformers and reactors &c.) are separated, for cooling purposes, by a plurality of electrically insulating spacers, each attached to one or other of the facing laminations of two adjacent groups by at least one tongue formed from part of the lamination. The spacer 5 (Fig. 2) of plastics material (e.g. epoxy resin or reinforced fibre glass) is provided with a square aperture 8 whose cross-section is abruptly reduced to provide a surface 9 which is substantially parallel to the faces 6, 7 of the spacer and on to which the tongue of a lamination is hooked. Diagonal grooves 10 are provided on one face 6 to allow escape of air trapped between adjacent laminations in the opening 8. The spacers are preferably attached to one lamination (11) (Fig. 5, not shown), by piercing the lamination with a tool (12) which forms four triangular tongues and bends them out of the plane of the lamination into the opening 8 of the spacer to hook them on to the surface 9. A multiheaded tool may be used to secure several spacers to the same lamination simultaneously.
Patent GB-1536178-A (GB)
Title: Method and apparatus for printing indicia on a continuous elongate flexible three-dimensional member
IPC: B41F17/10
Filed: 1976-12-09
Abstract: 1536178 Selective printing BOEING CO 9 Dec 1976 51487/76 Heading B6F Printing on elongate flexible members, such as electrical conductors, is effected by an ink jet printing head controlled in response to data input and the feed rate of the conductor 11. A guide member 63 is movable transversely to the stream of ink 28 and the path of the conductor 11.
Patent GB-1288131-A (GB)
IPC: G01F23/292
Filed: 1970-10-30
Abstract: 1288131 Determining the level of sedimentation in dams &c A R LINDBERG 30 Oct 1970 [3 Nov 1969] 51743/70 Heading G1A The depth of a predetermined sediment concentration B in a sedimentation pool or dam is discovered and any subsequent increase or decrease in depth is followed by a measuring device 1 suspended on an electric cable 2, the measuring device 1 monitoring any change in sediment concentration and providing a signal to a positioning motor 7 which turns a cable drum 8 to take up or release the cable 2 till the measuring device 1 is at the depth of the required sediment concentration. The sediment concentration is monitored by circulating the fluid through a cavity 23, Fig.2, in the side of the measuring device 1, by means of a pump 26 and light from a source 15 is directed, as shown, to pass through the fluid via a rotated sectored disc 30 to a photo-electric element 21. A circuit is disclosed, Fig.4 (not shown) and represented schematically on Fig.1 wherein the photo-elements output is passed via a differential bridge 5 to a comparator 6 in which it is compared with a desired value set in advance. If there is a difference between the actual and the desired values, the comparator 6 emits a signal to the positioning motor 7 which turns the cable drum 8 as described above. On the cable drum 8 is a position indicator 9 the output signal of which can be indicated on a pointer 10 which is connected to a recording element 11 and a process regulator 12.
Patent GB-1145808-A (GB)
Title: Nitrogen-and phosphorus-containing gasoline compositions
IPC: C10L1/26
Filed: 1967-11-14
Abstract: 1,145,808. Fuels. LUBRIZOL CORP. 14 Nov., 1967 [9 Feb., 1967],. No. 51812/67. Heading C5G. A fuel comprises gasoline and 0À0001-0À05 wt. per cent (based on the gasoline) of a product obtained by reacting at a temperature below 100 C. (A) a compound of formula  where R is a C 8 -C 18  aliphatic hydrocarbon radical and R<SP>1</SP> is hydrogen or R; (B) 0À5-0À9 equivalent per equivalent of (A) of an aliphatic C 2 -C 4  secondary or tertiary amine; and (C) 0À05-2À0 equivalents per equivalent of (A) of a partially acylated and oxyalkylated amine containing at least one basic nitrogen atom which is formed by reacting (1) a polyalkylene polyamine with (2) a C 11  + aliphatic carboxylic acid and (3) 1-20% by weight of the reaction product of (1) and (2) of a C 2 -C 4  aliphatic epoxide; said product containing 0À55-2À0 equivalents of basic nitrogen per equivalent of (A). The fuel may also contain lead tetra-alkyls, triaryl phosphates, 2,6-di-tert-butyl-4-methyl phenol, and alkylated succinic acids.
Patent GB-1502599-A (GB)
Title: Water resistant cardboard and a method of and apparatus for producing water resistant cardboard
IPC: D21H23/68
Filed: 1975-02-02
Abstract: 1502599 Coating cardboard panels FUKUOKA PAPER MFG CO Ltd 2 Feb 1975 [17 May 1974] 52002/74 Heading B2L Cardboard panels D each comprising at least one flat liner sheet and a corrugated sheet adhered to the liner sheet are rendered water repellent by feeding the panels one by one whilst horizontally disposed to a conveyor 1 having support arms 2 which raises the panels to upright disposition with the corrugations of the panels extending upright, and carrying them on the conveyor past a coating station a at which water repellent liquid is showered down onto the panels so that it runs down the panels and along the corrugation surfaces coating the exposed surfaces of the or each liner sheet and the corrugated sheet of each panel. Conveyor 1 extends through a treating chamber A divided into showering chamber a, heating chamber b and cooling shower c. Showering chamber a is provided with showering box 16 having nozzles 15 supplied with melted water repellent or resistant liquid, e.g. paraffin wax, asphalt composition, oil, synthetic resin or mixtures thereof. In heating chamber b the liquid applied to the boards is heated by hot-air generators 17 which circulate hot air at a temperature of 70-90C into the chamber to form a uniform coating on the surface while excess liquid drops off the surface. Excess liquid is caused to drop off from the bottom edges of the panels in heating chamber b by repeated vertical impact movements caused by a plurality of triangular plates B defining spaced ramp slopes rising from the front to rear in relation to the moving direction of the conveyor to bring the bottom edges of the panels up along the slope and allow them to drop suddenly from the rear slope top. Excess liquid jetted through the nozzles 15, from shower box 16 and falling off the bottom of the panels is collected in steamheated reservoirs 39, 39' and returned to steam-heated tank 20 from where it is pumped through pipe 24 to distribution pipe 25. In cooling chamber c, divided from heating chamber b by air curtain 13, the panels are cooled by air to solidify the coating. The panels may be cut and creased to define a blank capable of being assembled into a box or carton.
Patent GB-1321709-A (GB)
Title: Polymerisation process
IPC: C08F2/00
Filed: 1970-11-02
Abstract: 1321709 Polymerisation apparatus; mixing apparatus E I DU PONT DE NEMOURS & CO 2 Nov 1970 [3 Nov 1969] 52065/70 Headings B1X and B1C [Also in Division C3] A polymerisation reactor is provided with means for scraping and collecting agglomerated polymer from the reactor walls and an extruder within the reactor for removing the collected polymer, while separating it from entrained liquid. In the embodiment of Fig. 1 a jacketed reactor, 1, contains a rotating spiral ribbon, 6, to scrape the walls and a fixed rod, 9, to remove polymer from the inner edge of the ribbon itself. The ribbon tapers into an extruder section, 7. The apparatus also includes compressor 16, condenser 17 and pressure regulating valve 18. In Fig. 2 the reactor 28 is in the form of two intersecting cones and is scraped by two interlocking spiral ribbons, 31 and 32, which also scrape the inner edges of each other as they rotate.
Patent GB-1409211-A (GB)
Title: Foldable propeller
IPC: B63H1/24
Filed: 1973-11-09
Abstract: 1409211 Folding propellers NAUTOR WILH SHAUMAN AB OY 9 Nov 1973 [10 Nov 1972] 52082/73 Heading B7V  A foldable propeller for use with auxiliary engines in boats comprises two propeller blades 8, 9 which fold together into an inactive position (as shown) when the engine is shut off, each blade being pivotally mounted on a pin 5 to the propeller hub 1, and to be folded out to an active position by centrifugal force when the engine is stated, the blades 8, 9 having an unsymmetrical configuration with respect to their centre lines E so that when folded each blade exposes tip portions 10 or 12 and longitudinal edge portions 16 or 14 of the other blade which portions when the engine is started will be acted on by water pressure tending to move the blades 8, 9 to their active position. The two blades are preferably of identical form so as to provide the necessary static and kinetic balance on the hub 1, and in the embodiment described the tip portions 10, 12 operate to assist in unfolding the blades during reverse movement of the boat and the edge portions 14, 16 act similarly for forward movement of the boat, but if desired, the function of the two portions may be reversed or either the tip or edge portion may be omitted giving assistance to unfolding of the blades in only one direction of movement of the boat. The rods of the blades 8, 9 are preferably provided with meshing gear teeth to ensure simultaneous movement of the two blades, but the blades may be constructed so as to move independently of each other if desired.
Patent GB-1533973-A (GB)
Title: Offshore structure
IPC: B63B35/44
Filed: 1975-12-04
Abstract: 1533973 Offshore structures BRITISH PETROLEUM CO Ltd 4 Dec 1975 [4 Dec 1974] 52401/74 Heading E1H An offshore structure of the tethered buoyant platform type comprises a rigid tubular member 1, a buoyancy member 2, a ballast chamber 3 and a helical connector 21 which is suitable for the flow of fluids therethrough and is for connection to a sea bed member 22. Mooring lines 4 are maintained in tension and cables 24 terminate at their upper ends on tensioning devices The structure is transported horizontally and then ballasted to a vertical position. It may be used as a support for a flare or a mooring point for a tanker. For Figure see next column
Patent GB-1393684-A (GB)
Title: Hydraulic control valve system
IPC: F15B11/04
Filed: 1972-05-18
Abstract: 1393684 Valves MASSEY-FERGUSON Inc 18 May 1972 [20 May 1971] 52555/74 Divided out of 1393682 Heading F2V The subject-matter is similar to that described in Specification 1,393,682, but the claims are directed to the pilot operated poppet valve controlling flow from the work port.
Patent GB-1399300-A (GB)
Title: Corrugated paper board
IPC: B31F1/20
Filed: 1973-11-14
Abstract: 1399300 Laminates DOMTAR Ltd 14 Nov 1973 52856/73 Heading B5N [Also in Division D1] A laminate includes a layer of corrugated paper board made by dry forming a web of fibres, e.g. cellulose fibres, pressing the web to effect consolidation thereof, and corrugating the web. Consolidation and corrugation may be simultaneous or the web may be first consolidated and then corrugated. In Fig. 2, the web 1 is fed by a belt conveyer 2 from a dry former 50c to heated corrugating and consolidating rolls 11c, 12c having longitudinal grooves 6 and crests 7. Glue is applied to the corrugated web by a roller 10c and a liner is applied by a roller 18c. A second liner may be applied subsequently to the exposed flutes of the corrugated web.
Patent GB-1528230-A (GB)
Title: Connection between a tubular member and a hollow member
IPC: F16L13/16
Filed: 1976-12-17
Abstract: 1528230 Pipe connection HERMANN HEMSCHEIDT MASCHINENFABRIK 17 Dec 1976 [20 Dec 1975] 52864/76 Heading F2G In a connection between a tubular member 1 and a hollow member 5 having a dovetail recess 6 in its inner wall, placed around one end portion of the tubular member, a deformable ring 4 is forced with the end portion of the tubular member into the recess by drawing a mandrel 2 with a frusto-conical portion 3 along the tubular member.
Patent GB-1335890-A (GB)
Title: Associative semiconductor memory
IPC: G11C15/04
Filed: 1971-11-15
Abstract: 1335890 Associative memories INTERNATIONAL BUSINESS MACHINES CORP 15 Nov 1971 [16 Nov 1970] 52901/71 Heading G4C The bi-stable devices of each row of memory cells are interconnected with a word sense line WSL so that when a search argument is applied to bit search lines DSRL, the mismatch current flowing in each line WSL is independent of the number of mismatched bits in the associated row. A diode 19 normally carries the current produced by a constant current generator 25, but if a mismatch is detected in any row, the current is diverted via the associated line WDL, the mismatched cell(s) and associated transistors 9 to the word sense line WSL. Each cell comprises a pair of bi-stable circuits with associated search lines DSRL, (DSRR), and transistors 9, (10) though only one is shown in Fig. 3.
Patent GB-1368168-A (GB)
Title: Process for the preparation of maleic anhydride
IPC: C07C51/25
Filed: 1972-11-17
Abstract: 1368168 Maleic anhydride AKADEMIE DER WISSENSCHAFTEN DER DDR 17 Nov 1972 53180/72 Heading C2C Maleic anhydride is obtained by the catalytic oxidation of unsaturated, straight-chained hydrocarbons containing at least 4 carbon atoms or mixtures thereof with oxygen an oxygen-containing gas in the presence of catalysts which comprise, as essential components, oxides of vanadium and phosphorus, at a temperature of 300-550‹ C., wherein the gases to be oxidized are passed downwardly through a reaction vessel containing at least two different fixed bed catalyst layers with different working temperatures, the gases to be oxidized first flowing through a catalyst layer with a higher working temperature and subsequently through a catalyst layer with a lower working temperature. The working temperatures of the catalyst layers generally differ by at least 10‹ C. and preferably by about 40‹ C. The catalyst with the higher working temperature may comprise oxides of vanadium and phosphorus together with oxides of transition metals such as tungsten, iron and/or manganese, and the catalyst with the lower working temperature may comprise oxides of vanadium and phosphorus together with oxides of mono- and/or divalent metals such as lithium, potassium and/or magnesium, and the catalysts may also comprise a carrier material. The hydrocarbon starting material may be a technical gas mixture containing n-butenes, n-pentenes and/or butadiene, and optionally the corresponding iso-olefins and/or saturated hydrocarbons.