baber/WOPTO huggingface dataset:
Patent GB-1152561-A (GB)
Title: Improvements in or relating to the preparation of Oligomers
Inventor: LUBRIFIANTS INSTITUT FRANCAIS
IPC: C08F10/00
Filed: 1968-01-08
Abstract: 1,152,561. Olefin oligomers; lubricants. COMMISSARIAT A L'ENERGIE ATOMIQUE and INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS. 8 Jan., 1968 [11 Jan., 1967], No. 1154/68. Headings C5E and C5F. C 5-20  olefins (particularly C 9-10  and C 11-14  cuts, and dodecene-1) are oligomerized at a temperature above 250‹ C., preferably 300- 350‹ C., by the effect of radiation, to obtain oils suitable for use as multigrade lubricants for motors and aviation turbo-engines, ;as automatic transmission fluids, or as baseoils for greases. The irradiation may be by gamma rays, from an electron accelerator, or from a radio-active isotope, e.g. cobalt 60 or caesium 137. The products may be fractionated to remove dimers, then hydrogenated over Raney nickel, and finally treated with active earth, e.g. a bentonite. The. oils may have phenylalphanaphthylamine added thereto, arid in an example, 20% :of an aromatic urea is used as a gelling agent to form a grease.
Patent GB-196072-A (GB)
Title: Improvements relating to tar heating and spraying devices applicable to steam road rollers
IPC: E01C19/17
Filed: 1922-01-13
Abstract: 196,072. Fowler & Co. (Leeds), Ltd., J., Wood, D., and Wood, E. Jan. 13, 1922. Addition to 13613/13 Surface treatment with liquid or semi-liquid materials.-Relates to a tar heating and spraying device as described in the parent Specification, wherein the tar tank is steam heated and is fitted to the underside of the boiler of a steam roadroller, and a pump is provided for charging and discharging the tank; and consists in a clutch 5 for throwing the pump 4 into or out of action, which operates automatically when the engine is reversed. The following modifications of the parent invention are also described. On the suction side of the pump 4, mounted on the tank 1, is provided a three-way cock D, which is connected to the tank by a pipe 10 having a regulating valve M, and by a pipe 11 to a tar-supply pipe (not shown). On the delivery side, a threeway cock E communicates with the tank by a pipe 13, and through a pipe 14 and a three-way cock Q, connects with the pipe 15 and spraying nozzles 16, or with a hand-sprayer 18. Each spraying- nozzle 16 is provided with a shut-off cock L. The tar is heated by the admission of steam into the tank, and the condensed steam escapes at thecock J. The pump may be primed with tar at starting by means of the funnel F. By suitably adjusting the cocks D, E, the ta.r may be maintained in circulation while the roller is proceeding to work.
Patent GB-203471-A (GB)
Title: Improvements in lamp bulbs for vehicle headlights and the like
IPC: H01K1/32
Filed: 1922-10-10
Abstract: 203,471. Williams, L. G. Oct. 10, 1922. Motor vehicle head lamps. - An incandescent lamp bulb for motor - vehicle headlights and the like has substantially one half of its area covered with a reflecting substance and, in addition, with a substance which absorbs red rays and is so positioned as to filter the light in a direction along the normal line of sight ahead of the lamp. The lamp shown has a portion of its lower surface c covered with a substance such as mercury or silver which cooperates with the upper part of the paraboloid reflector to throw the emergent light outwards and downwards without glare. A small coating b of varnish or pigment having blue as its base absorbs red rays in directions ahead of the light source d, correct focusing of which is effected by means of a thumb-screw f. A small transparent gap may be left in the reflecting substance or between the blue and reflecting coatings to allow a small beam of unfiltered light to fall on the road near the lamp.
Patent GB-1268471-A (GB)
Title: Improvements relating to thin film evaporators
IPC: B01D1/22
Filed: 1970-01-09
Abstract: 1,268,471. Evaporators, wiped-film type. LEYBOLD - HERAEUS - VERWALTUNG G.m.b.H. 9 Jan., 1970 [11 Jan., 1969], No. 1271/70. Heading B1B. Liquid is distributed on the circular internal wall 5 of an evaporator by means of a wiper strip 2, made of flexible plastics material, projecting radially from a rotor 1 which is connected by bracket 3 to a rod 32 around which a tube 4 is loosely-mounted, the arrangement being such that, when the rotor is rotated in the direction shown by the arrow, the tube 4 presses by centrifugal force against the back of the wiper strip 2. A single tube 4 may extend the full length of the wiper strip 2; but alternatively a plurality of individual and independently-acting tube-lengths 4 may be mounted in columnar array on rod 32. The wiper strip may be split into individual sections.
Patent GB-1149331-A (GB)
Title: A method of and apparatus for dewatering sludges
Inventor: SONTHEIMER HEINRICH
IPC: C02F11/145
Filed: 1968-01-09
Abstract: 1,149,331. Dewatering sludges. METALLGESELLSCHAFT A.G. 9 Jan., 1968. No. 1309/68. Heading C1C. A method of dewatering sludges comprises adding lime, and after or during the addition, prior to dewatering, CO 2  is introduced into the sludge, the introduction of CO 2  being stopped while free Ca(OH) 2  still remains in the sludge and the pH remains above 10, the sludge thereafter being dewatered by conventional means. Flue gases may be used as CO 2 -containing gases. Apparatus for dewatering sludges comprises a first vessel in communication with a second vessel (see Fig. 2), the second vessel having a stirrer 23 attached to an inverted cup-shaped hub 28 into which a gas inlet pipe 26 projects, and overflow means 21, and dewatering means.
Patent GB-161315-A (GB)
Title: Improved nut-locking washer
IPC: F16B39/24
Filed: 1920-01-15
Abstract: 161,315. Hearson, H. R., and Craig, H. J. Jan. 15, 1920. Joint - making packing.-A washer for locking nuts has a ring corrugation a surrounded by a plane portion f which may be provided with a flange h shaped to fit the nut. Upon pressure by the nut, the inner side of the corrugation is forced into engagement with the bolt. To obtain a fluid-tight joint, the washer may be made of copper, or a plain copper washer may be inserted between the nut and the locking washer.
Patent GB-1078812-A (GB)
Title: Improvements in or relating to the preparation of copolyesters
IPC: C08G63/193
Filed: 1965-01-12
Abstract: Copolyesters are made by (a) heating a mixture of a diaryl terephthalate and/or isophthalate (100 mol. per cent), a diaryl ester of carbonic or oxalic acid (0-10 mol per cent) and a dihydric phenol (at least 100 mol per cent) until the melt viscosity of the mixture is at least 2000 poises, (b) adding to the reaction product at least 15% by weight, calculated on the polyester which should theoretically derive from (a) of a linear polyester of terephthalic and/or isophthalic acid and a diprimary alcohol and having a viscosity number of 0.1 to 0.5 and (c) continuing the polycondensation at an elevated temperature. Specified dihydric phenols are resorcinol, hydroquinone and bisphenol A whilst specified dihydric alcohols are ethylene glycol and other polymethylene glycols, 2:2-dimethyl - 1:3 - propanediol, dimethylol cyclohexanes, di-, tri-, tetra- and penta-ethylene glycol and hydroxyethylation products of resorcinol, hydroquinone and bisphenol A.
Patent GB-996182-A (GB)
Title: Variable-pitch rotor-blade hub assemblies, particularly marine propellors and kaplan turbine hub assemblies
IPC: B63H3/08
Filed: 1962-01-15
Abstract: 996,182. Axial-flow pumps; hydraulic turbines. ESCHER WYSS A.G. Jan. 15, 1962 [Jan. 13, 1961], No. 1427/62. Headings F1C and F1T. [Also in Division B7] A variable pitch bladed hub e.g. a Kaplan turbine or pump, has blades 3 which are adjusted by axial movement of a rod 7 disposed within the shaft 5 and moved by a piston 6. A space 4 within the hub is supplied with oil under pressure from a reservoir 17, through a pipe 16 and ports 14 and 12. The end 21 of the rod 7, which is of substantially the .same diameter as the rod, is arranged for movement in a further space 18 within the hub which is closed off from the surrounding water and connected with the space 4 through a check valve 19 disposed in a conduit 20 which only allows oil to pass from the space 18 to the space 4. The arrangement ensures that changes in oil pressure within the hub 2, caused by axial movement of the rod 7, only take place within the sealed space 18.
Patent GB-571139-A (GB)
Title: An improved method of and apparatus for making porous metal articles
IPC: B22F7/00
Filed: 1944-01-26
Abstract: 571,139. Making porous metal bodies. GENERAL MOTORS CORPORATION. Jan. 26, 1944, No. 1447. Convention date, July 10, 1943. Addition to 554,110. [Class 82 (i)] The method and apparatus described in the parent Specification is adapted to the production of composite articles such as bushes which are required to have a reinforcing backing. The backing-shell 60, of steel, nickel, nickel alloy, copper or copper-plated steel is mounted in the two-part mould 34, 30 of the parent Specification and powdered metal is introduced and packed centrifugally and is strickled level with the mould flanges. A controlled atmosphere is supplied to the interior of the bushing by a perforated pipe and the powder is induction heated and sintered whilst rotating. The porous layer may be impregnated with lead by flowing onto the surface whilst rotating. The bushings may be sized in known manner by the passage of a burnishing punch.
Patent GB-1246693-A (GB)
Title: Method and apparatus for dressing and tensioning weft threads in looms
IPC: D03D47/00
Filed: 1969-01-10
Abstract: 1,246,693. Dressing weft in jet looms. NORTH AMERICAN ROCKWELL CORP. 10 Jan., 1969 [5 Feb., 1968], No. 1506/69. Heading D1E. Prior to insertion in a jet loom weft is dressed by passing it through a bath of water. Weft 13 is passed through eyelets 29, 30 in a bath 14 and through an eyelet 34 in an adjustably mounted graduated rod 31. The depth of water in the bath is controlled and the bath has a magnetic tensioner 35 which removes excess water. The loom has a drum type measurer 17.
Patent GB-1475974-A (GB)
Title: Substituted anilines and their use as pest control agents
IPC: C07C253/00
Filed: 1976-01-15
Abstract: 1475974 Substituted anilines CIBA GEIGY AG 15 Jan 1976 [16 Jan 1975 22 Oct 1975] 01605/76 Heading C2C The invention comprises compounds of the formula where X is Cl or CF 3  in the 4- or 5-position. The compounds may be prepared by reacting together compounds of the formulµ and where Z is halogen, in the presence of an acid binding agent.
Patent GB-469086-A (GB)
Title: Improvements in or relating to airscrews
IPC: B64C11/22
Filed: 1936-01-17
Abstract: 469,086. Screw propellers. LANG, A. A. D. Jan. 17, 1936, No. 1611. [Class 114] A non-metallic detachable airscrew blade has embedded therein a reinforcing member of bladelike form and extending into the shank. A rod 2 flattened from its circular end outwardly to a form approximating to the shape of the blade 1 is secured in the shank by a nut 3. The member may be serrated, roughened or punched and is preferably formed from steel. It may be located within aligned recesses machined in two of the adjacent laminµ when the blade is built up from wood laminations. Specification 397,513, [Group XXIII], is referred to.
Patent GB-161706-A (GB)
Title: An electrical method of reproducing distant scenes visually
IPC: H04N3/08
Filed: 1920-01-19
Abstract: 161,706. Powell, B. F. S. Baden-. Jan. 19, 1920. Copying-telegraphs; television apparatus. -In apparatus for reproducing distant scenes visually, a rotating wheel or disc a at the transmitting station carries a series of reflectors set at different angles so as to reflect in turn different portions of the scene b on to a selenium cell c. The variations of current so produced influence a source of light f, for example, a lamp with an electrically-controlled shutter or mirror. A wheel a' similar to that at the transmitter and revolving synchronously therewith reflects the variable light from the instrument f on to different portions of a screen g in succession, with sufficient rapidity to produce the effect of a complete picture.
Patent GB-523928-A (GB)
Title: Improvements in and relating to drumless high pressure boilers
IPC: F22B21/22
Filed: 1939-01-17
Abstract: 523,928. Water-tube steam boilers. SCHMIDT'SCHE HEISSDAMPF-GES. Jan. 17, 1939, No. 1655. Convention date, Jan. 17, 1938. [Class 123 (ii)] In a drumless higl pressure boiler the generating tubes 2 are connected in groups to tubula: steam separators 20 of the kind described in Specification 451,905, and un evaporated water i returned through downcomers 22 to a lower header 8 Steam is led of through pipes 21 to a superheater 16. The tubes may be connected to horizontal or vertical headers or the tubes of each group may be united at their upper ends for connection with a separator.
Patent GB-178520-A (GB)
Title: Improvements in demountable rims for wheels of vehicles
IPC: B60B1/00
Filed: 1921-01-10
Abstract: 178,520. Stanley, A. H., (Pride, C. W.). Jan. 10, 1921. Detachable-rim attachments to wheels.-A tyre carrying rim 2, Fig. 2, is provided with an annulus 1 preferably of wood having slotted plates 5 on its inner periphery the slots 7 of which engage projections 13, Fig. 6, carried by a metal band 11 on the wheel felloe 8. A flange 4 on the annulus 1 is accommodated within a corresponding recess in the felloe 8. A key-operated lock in the annulus 1 prevents the projections 13 from leaving the slots 7. Radial security bolts may be used between the rim and felloe. The tyre may have a short valve stem. Plates 19, 21 prevent ingress of dust &c. between the parts.
Patent GB-264855-A (GB)
Title: Improvements in thermo-electric piles
IPC: H01L35/00
Filed: 1927-01-20
Abstract: 264,855. MiÚville, C. Jan. 23, 1926, [Convention date]. Thermo-electric batteries.-A thermo-electric battery comprises a number of couples each consisting of a metal cylinder 1 and a metal bar 3, adjacent couples being connected by a copper strip 5 as shown in Fig. 1. Two sets of couples are placed on opposite sides of a heating resistance 11 consisting of a mica plate of the shape shown in Fig. 8, the wire being wound on the riarrow portions which are placed opposite the junctions 2, Fig. 1. Fig. 6 shows in plan a complate battery in which the couples are held beÀ tween asbestos plates 12 pressed together by metal bars 13 and bolts and nuts 13<a>. The cylinders 1 are made by casting the metal between the strips 3, 5 the ends of which are placed in a mould 18 as shown in Figs. 11 and 12. The mould is closed by plates 20, 21, the upper plate 21 having openings 22 through which the metal is poured. The openings 22 are formed with a constriction as shown in Fig. 12 to enable the metal to be broken off when the plate 21 is removed. Specification 255,822 is referred to.
Patent GB-639487-A (GB)
Title: New dyestuffs derived from isothiouronium compounds
IPC: C09B69/00
Filed: 1948-01-21
Abstract: Dyes are made by heating a dyestuff containing one or more tetramethylisothiouronium salt groups with dimethyl sulphate, diethyl sulphate, methyl p-toluenesulphonate, or ethyl p-toluenesulphonate. The products may be used for printing in admixture with a stabilized diazo compound (e.g. a triazene or an antidiazotate), a coupling component (e.g. an arylamide of 2,3-hydroxynaphthoic acid or of acetoacetic acid), and a basic solvent, such as b -diethylaminoethyanol.  In examples: (1) the isothiouronium salt from copper tri-(chlormethyl)-phthalocyanine and tetramethylthiourea (Specification 587,636) is heated with dimethyl sulphate, methyl-p-toluene sulphonate, or diethyl sulphate; (2) the isothiouronium salt from di-(chlormethyl)-isodibenzanthrone and tetramethylthiourea (Specification 613,980) is heated with dimethyl sulphate. Specification 576,270 also is referred to.
Patent GB-219037-A (GB)
Title: Improvements in advertising devices
IPC: G09F11/02
Filed: 1923-01-20
Abstract: 219,037. Gee, G., and Matthews, W. J. Jan. 20, 1923. Prisms, rotating; shutters, reciprocating.- Words &c. on the faces of prisms 6 are revealed letter by letter without the aid of artificial light at windows 5 by the raising of shutters 1, one of which covers each letter. The shutters 7 are lifted in succession each by a lever 9 operated by a cam 13 on a continuously rotating shaft 14, and when all have been raised are preferably allowed to drop simultaneously. The prisms 6 are then turned to bring the next row of wording &c. opposite the windows 5 by gear wheels 25, 24 rotated through a pawl-and-ratchet by a star wheel 20. The wheel 20 is positioned by a rounded spring-urged pawl, and is given a partial turn at each revolution of the shaft 14 by a spring-retracted bell-crank controlled by a cam on the shaft 14, and preferably cushioned. Alternatively, the prisms 6 each carry a star wheel actuated by a spring pawl on a vertically sliding rod connected to a lever actuated by a cam on the shaft 14. Blade springs 37 form brakes for the prisms 6 to prevent over-running. The shutters 7 are guided at 8 and cushioned at 36. A buffer bar 35 with a felt top may be provided for the levers 9. The shutters are of the same colour as the dark background and may be of the type used on photographic cameras. Alternatively a slotted screen in the form of an endless band intermittently moved may be used. According to the Provisional Specification the words &c. may be on changeable plates mounted on the prisms 6. A slotted screen, when used, may bear words &c., and may be moved with a slow and fast motion. Also, the wording &c. may be on an endless moving band, which may be translucent, or on travelling plates on an endless belt.
Patent GB-1208201-A (GB)
Title: Improvements in or relating to electromagnetic actuating devices
Inventor: BARTHALON MAURICE
IPC: H02K37/02
Filed: 1968-01-12
Abstract: 1,208,201. Railway systems. M. BARTHALON. 12 Jan., 1968 [25 Jan., 1967], No. 1889/68. Heading B7L. [Also in Divisions B8 and H2] In a rail vehicle, Fig. 14, a plurality of C- shaped stator cores 68 co-operate with a magnetizable member in the form of a fixed rail 63 with teeth 64 in its upper edge. The windings 69 of the stator cores are energized in sequence to move the vehicle on rails 62. Rollers are used to space the rail 63 evenly in the air gap 71. The rail 63 may be mounted on an insulating spacer 77 for use as a third rail current supply. In Fig. 17 an air cushion vehicle employs a - similar stator which co-operates with a solid rail 84 having inserts 85 of magnetic material. The vehicle is supported by an air cushion 82 and maintained centrally disposed about rail 84 by means of further air cushions.
Patent GB-1279795-A (GB)
Title: Apparatus for transferring intelligence between two voltage levels
IPC: H02H1/00
Filed: 1971-01-14
Abstract: 1279795 Measuring current in high voltage power lines WESTINGHOUSE ELECTRIC CORP 14 Jan 1971 [6 Feb 1970] 1889/71 Heading G1U A system in which the current in a high voltage power line 2, Fig.1, is converted 26 into a corresponding frequency which is amplitude modulated on to carrier signals from two oscillators 32, 32A of different frequency and operative in alternate half cycles of the line current, is characterized in that the resulting signal after amplification 64 is transmitted to a remote (e.g. ground) unit by means of a coupling comprising a transformer winding 66 centre-tapped to the power line, two capacitors 69, 70, and a further transformer winding 72 centre-tapped to earth. As described a first current transformer 12 provides a potential across a resistor 16 proportional to the line current. This potential is converted, by inverter 26 having Zener 18 excess line current protection, into a corresponding frequency between terminals 28, 30. A second current transformer 36 provides power, in alternate half cycles of the line current, to two oscillators 32, 32A. The output frequency from the inverter 26, appearing between terminals 28, 30, is amplitude modulated by the two oscillators 32, 32A and fed to the base of amplifier 64, which receives fullwave rectified power from the current transformer 36. At the receiver, the transmitted signal is amplified, detected, squared and clipped, 80, to provide two signals on terminals 82, 84 corresponding to the modulations applied to the oscillators 32 and 32A respectively. These signals are coupled via saturable transformers 86, 86A to rectifying bridges 89, 89A, after which they are smoothed and appropriately amplified for application to meters.
Patent GB-246835-A (GB)
Title: An improved process for treating articles of any shape made of soft indiarubber
IPC: C09D5/22
Filed: 1926-01-22
Abstract: 246,835. Baur, K. G., Goldschmidt, J., and Arndt, K. Jan. 29, 1925, [Convention date]. Indiarubber, rendering luminous.-Soft rubber articles are coated with a solution of rubber, preferably after treatment with petrol or other solvent. and to the surface thus produced, which may be allowed to dry is then applied a paste made by rubbing down a self-luminous material such as phosporescent boron compounds in a rubber solution as nearly colourless as possible. The article may be heated, but the temperature must be below that at which the luminous material is affected. The first coat of solution may be omitted when the article has been treated with petrol. Articles of hard rubber such as electric switches may be rendered self luminous by the attachment of a sheet of soft rubber treated by the process.
Patent GB-282565-A (GB)
Title: A method of preparing artificial petroleum and decolorising carbonaceous substances from rubber scrap or vulcanised rubber waste
IPC: B29B17/00
Filed: 1927-01-22
Abstract: 282,565. Nishida, H., and Shimada, K. Jan. 22, 1927. Oils, extracting, purifying, &c.-Oils resembling petroleum are obtained by destructively distilling a mixture of rubber scrap, vulcanized rubber waste, or their distillates, with one or more natural bleaching earths such as fuller's earth, floridin, or Japanese acid clay. The black powdery residue of mixed carbon and earth has strong decolorizing, deodorizing, and adsorbent powers. In an example 1 lb. of pulverized vulcanized rubber waste is mixed with 2-4 lb. of dehydrated Japanese acid clay, and distilled in an iron retort up to 350‹ C. The product is fractioned, and the fractions are purified by sulphuric acid and caustic soda.