baber/WOPTO huggingface dataset:
Patent GB-171305-A (GB)
Title: Improvements in liquid level indicators particularly applicable in connection with internal combustion engines
IPC: F01M11/12
Filed: 1920-11-10
Abstract: 171,305. Steede, G. F. Nov. 10, 1920. Indicators, alarm and signal.-In a liquid-level alarm, particularly for use with internal-combustion engines, in which a tube 1 provided with a sound alarm or whistle 7 fitted to the liquid container is also provided with air injection means 5 for sounding the alarm when the end of the tube is closed by the liquid, a tap or cock 8 is fitted in the tube between the sound alarm 7 and the point of air injection into the tube. Before testing the liquidlevel, the cock 8 is closed, and air is blown through the pipe 1 by compressing the rubber bulb 5 to clear the pipe of any obstruction that might cause a false indication. The bulb is fitted with a ball non-return valve 11 to prevent oil being sucked into the pipe when the pressure on the bulb is removed. In a modification, the whistle 7 and cock 8 take the place of the rubber bulb, and an air supply cylinder, provided with a cup-leather piston acting as a non-return valve and operated against a spring, is fitted to the branch pipe 6. In the case of motor-cars, the pipe 1 preferably passes vertically downward through the engine crank case, but it may be fitted in the place of an oil overflow tap or to a tapper hole in the crank case by means of the adaptor 3.
Patent GB-1374396-A (GB)
Title: Thymol derivatives
IPC: A61K31/13
Filed: 1973-07-04
Abstract: 1374396 Acyloxythymoxyalkylamines WARNER-LAMBERT CO 4 July 1973 [2 Aug 1972] 31796/73 Heading C2C Novel compounds of Formula I  wherein R is C 3-10  alkoxy or C 4-11  alkyl are prepared by acylation under vigorous conditions of the phenol. Pharmaceutical compositions in conventional forms having peripheral dilatory activity as α blockers comprise an above novel compound or salt and a carrier or diluent.
Patent GB-897304-A (GB)
Title: Improvements in or relating to protective arrangements for prime movers coupled to electric generators
Inventor: WOOD BASIL
IPC: H02H7/06
Filed: 1958-10-06
Abstract: 897,304. Protective arrangements. MERZ & McLELLAN SERVICES Ltd. Oct. 6, 1959 [Oct. 6, 1958], No. 31805/58. Class 38 (4). To prevent overspeeding of a prime moveralternator combination A, B, on the load being thrown off through the opening of a circuitbreaker D, the breaker is prevented from being opened until a governor or emergency stop valve is almost closed, or the electrical load as sensed by a wattmetric relay J is at a low value, by a contact J1 serially connected with the breaker tripping coil D1. An alarm may be operated by a coil M as soon as the tripping conditions are initiated, irrespective of whether J1 is closed. The contact J1 may alternatively be closed by a closing movement of the engine fuel or steam governor. Where more than one valve reduces the fuel supply, contacts on each valve may be parallel connected.
Patent GB-682765-A (GB)
Title: Improvements relating to metal tubular scaffolding and components therefor
Inventor: STEWART GAVIN BURTON
IPC: E04G7/30
Filed: 1948-12-09
Abstract: 682,765. Scaffolding. STEW ARTS & LLOYDS, Ltd. Dec. 9, 1949 [Dec. 9, 1948], No. 31840/48. Class 20(ii) A scaffolding component is in the form of a prefabricated putlog incorporating at or adjacent its ends clamping means for positively gripping the ledges and for coupling upper and lower uprights of a scaffolding. The putlog may comprise a metal tube 1, Fig. 1, with perpendicular tubes 2 welded at its ends the tubes 2 being slit at the ends and provided with lugs 12 for the reception of screws to clamp uprights in the sockets 3, 4. Side-plates 7 welded to the tubes 1, 2 at each end of the putlog are connected by a cross-piece through which works a screw 10 for clamping ledge tubes in the recesses in the sideplates 7. The tubes 2, instead of having enlarged socket ends may be provided with with an internal peripheral rib 15, Fig. 3, to limit the inward movement of the uprights.
Patent GB-896301-A (GB)
Title: Synthetic organosilicon resins and manufacture thereof
Inventor: PEARCE CHRISTOPHER ARTHUR
IPC: C08G77/60
Filed: 1958-10-06
Abstract: A resinous polymer containing the recurring unit <FORM:0896301/IV (a)/1> and terminal groups <FORM:0896301/IV (a)/2> where R1 and R2 are aromatic radicals and T is phenyl, halophenyl or hydroxyl, may be made by reacting a dihalosilane with either (a) a difunctional phenylene Grignard reagent or (b) a dihalobenzene and a suspension of a finely divided alkali metal in an inert solvent.  In Examples, (1) diphenyldichlorosilane was added with stirring to a cooled (-80 DEG C.) suspension of p-phenylenedimagnesium dibromide in tetrahydrofuran and benzene, and the reaction mixture was allowed to warm to room temperature overnight.  The reaction mixture was cooled in ice, hydrolyzed with aqueous HCl and extracted with ether to yield, when dried and freed of solvent, a tacky brown resin which when heated at 300 DEG C. (at 5 mm.) yielded a brittle brown fluorescent resin; (2) a similar product was obtained from the same reactants but using diethyl ether as the solvent; (3) p-dibromobenzene and diphenyldichlorosilane in xylene were added with stirring to a suspension of sodium in xylene containing iodine and the mixture was refluxed in an atmosphere of argon to yield, after separation by centrifuge and freeing of solvent, a brown resin.  The preferred product of the invention is a thermoplastic resin which can be cured with benzoyl peroxide to a thermosetting resin.
Patent GB-874302-A (GB)
Title: Improvements in and relating to methods and apparatus for the carbonisation of coal by the fluidisation technique with production of low temperature coal-tar
IPC: C10B49/10
Filed: 1958-10-06
Abstract: 874,302. Carbonizing coal. CHARBONNAGES DE FRANCE. Oct. 6, 1958 [Oct. 30, 1957], No. 31874/58. Class 55 (1). In a fluidized two-stage process of carbonizing coal, the coal is subjected to a low-temperature carbonization at a temperature between 450‹ and 600‹ C. in a zone 2 and to a high-temperature carbonization at a temperature over 700‹ C. in a zone 3, a fluidizing gas for the lower zone being admitted at 5 and the hot gases rising from the zone 3 serving to heat and fluidize the coal in zone 2. The fluidizing gas supplied to the zone 3 may be preheated and be an inert gas or a gas containing free oxygen. The coal fed to zone 2 is preferably preheated to between 300‹ and 400‹ C. in a fluidized preheating zone and coke withdrawn through line 8 may be cooled in a fluidized cooling zone.
Patent GB-294821-A (GB)
Title: Improvements in sheet metal boxes or tins provided with an opening device
IPC: B65D43/26
Filed: 1927-11-10
Abstract: 294,821. Schlossmacher, F. C., and Atlas Akt.-Ges. Nov. 10, 1927. Divided application. Lids.-The cam lever d for effecting the opening of a tin or box is pivoted to the body or cover portion by means of a cup c pressed from sheetmetal, the bottom surface of which is soldered or welded to the wall of the container, the edge of the cup being turned over to retain the lever in place. Reference has been directed by the Comptroller to Specification 272,796.
Patent GB-688907-A (GB)
Title: Improved filters for liquids
IPC: B01D25/00
Filed: 1949-12-13
Abstract: 688,907. Filters. TECALEMIT, Ltd., and LE CLAIR, C. C. S. Dec. 8, 1950 [Dec. 13, 1949], No. 32009/49. Class 46 A filter element comprises a number of superimposed separate filter units each built up of a central portion made of coarse filtering material sandwiched between two layers of less coarse or fine filtering material and means for ensuring that the liquid to be filtered shall, on its way from the filter inlet to the filter outlet, pass through the less coarse or fine filtering material and not directly through the coarse filtering material. Each unit may comprise a centrally apertured disc preferably of coarse felt 16, Fig. 4, sandwiched between discs preferably of fine felt 17 through which liquid is constrained to pass, by a tubular member 21, to reach an outlet space 22. The units are separated by spacer discs 18 each comprising a rim portion 19 and fingers 20, the tips of which engage with a hollow centre bolt 14 forming an outlet tube between which and the tubular members 21 the space 22 is provided. An element formed by the juxtaposition of such units is secured between further spacer discs and then between a lower washer 23 resting upon the head 24 of the bolt 14 and an upper washer 25 screwed on to the upper end of the bolt. The complete element may be surrounded by one or more layers 26 of fine gauze, nylon cloth or the like to exclude water, and similar layers 27 may be provided on one or both ends of each unit to exclude felt fibres from the filtrate. Each tubular member 21 may be integral with the fingers of a spacer disc. Such an integral member may be provided with a flange 19b, Fig. 6, about its rim 19a and with fingers 20a, which do not reach the centre bolt 14. The spacing between the bolt and the tubular portion 21a is then provided by internal ribs 21b. The discs and tubular members may be made by die-casting or plastic moulding. The complete element of Fig. 4 may be incorporated in the casing 1 of a filter, Fig. 2, merely by screwing its upper end into a hollow boss 15 depending from a head 2. The washers 23 and 25 are preferably provided with peripheral radial projections to locate the element in the container. Air-vent screws (not shown) are provided in openings communicating with the inlet and outlet passages respectively. The central portion of each unit of central part of coarse material and parts a filter element may itslf be made up of a of finer coarse material on either side of it.
Patent GB-341386-A (GB)
Title: A process for producing calcium carbamate
IPC: C01C3/18
Filed: 1930-02-06
Abstract: Calcium carbamate is obtained by reacting aqueous ammoniacal solutions of ammonium carbamate of low water content with calcium compounds such as the oxide, hydroxide, chloride, or nitrate at temperatures of 40-20 DEG  C., and cooling the resulting solutions if necessary, say to -10 DEG  C., to precipitate the salt.  For instance, a small quantity of water may be saturated at 25 DEG  C. under pressure with ammonia and carbon dioxide in the proportion of 2 : 1, and be treated with a concentrated solution of calcium chloride, milk of lime, or a suspension of slaked lime to form the salt. Alternatively solid ammonium carbamate may be used to saturate the solution used.  The mother liquor resulting from the separation by cooling of calcium carbamate may be used for a further operation.
Patent GB-1106683-A (GB)
Title: Improvements in electric arc welding
Inventor: SPENCER PHILIP LEONARD
IPC: B23K9/09
Filed: 1964-08-06
Abstract: 1,106,683. Arc welding systems. BRITISH OXYGEN CO. Ltd. 20 July, 1965 [6 Aug., 1964], No. 32022/64. Heading H2H. An arc welding supply system comprises a primary power supply to maintain an arc between the electrode and the workpiece and a secondary supply providing pulses of current to effect spray metal transfer. The pulses are derived from a D.C. source such as a half or full wave rectified supply which is gated by a synchronously driven commutator, having a plurality of tracks having differently spaced conductive areas to provide a selectable pulse frequency. A centrifugal switch rotatable with the commutator disconnects the secondary supply at other than the determined speed. The supplies may be derived from an alternator driven by a prime mover which also drives the commutator.
Patent GB-1293032-A (GB)
Title: Improvements in or relating to data signal buffer stores
IPC: G06F5/08
Filed: 1970-07-02
Abstract: 1293032 Buffer store SIEMENS AG 2 July 1970 [3 July 1969] 32054/70 Heading G4C The invention relates to a buffer store comprising a plurality of stages connected in cascade, each stage containing at least one storage cell and a control circuit comprising a - bi-stable, a coincidence gate and a delay line. Data supplied to the input terminals D0, D1 of the first stage is entered on the occurrence of the first clock pulse T1 thereafter which also sets flip-flop S1. Setting of flip-flop S1 provides an enabling signal for AND gate G1 which produces a signal if flip-flop SA is reset. This signal resets S1 after passing delay V1 and passes data from flip-flops D10, D1 to DA0, DA1. In a similar manner data is passed through the stages to the final stages D20, D21, where AND gate G2 requires an enabling readout signal T2 before it will conduct. In the absence of a read-out signal S2 remains set, preventing gate GB from being enabled so that further data passed through the buffer remains in flip-flops DB0, DB1. Similarly, as further data is fed to the buffer the preceding registers are filled. When a read-out pulse occurs, G2 is enabled, S2 is reset via the delay V2, the data in D20, D21 is read out via AND gates U0, U1 and the data in the remaining stages is shifted. The buffer may couple a data processor and a magnetic tape store and may have a separate control circuit for each storage cell in each stage so that it may act as a skew buffer store.
Patent GB-1278792-A (GB)
Title: Electro-photographic apparatus
Inventor: POLLOCK JOHN SARDIA
IPC: G03G15/26
Filed: 1969-06-26
Abstract: 1278792 Electro-photographic apparatus EASTMAN KODAK CO 26 June 1969 [1 July 1968] 32327/69 Heading G2H Colour separation images of an original are formed on separate photo-conductive plates, one for each colour, and a multi-colour colour print obtained by transferring the developed images on to a receiving sheet in registry. Photoconductive plates are moved from stacks 40, 40', 40" by a system of belts having dogs which engage openings 52, 53, 54 in the plates, through charging stations 44, 44', 44", exposure station 48, wherein the plates are sequentially exposed to coloured images of negative 10, developing stations 57, 57', 57" where they are developed by toner of the appropriate colour, transfer station 59 where a roller 61 driven by belt 62 is moved across a receiving sheet 16, clearing stations 75, 75', 75" and finally back to stacks 40, 40', 40". Before and after the "single" stations, i.e., the exposure and transfer stations, holding stations are provided:- hold-to-expose stations 45, 45', 45", escape-to-develop stations 49, 49', 49", hold-fortransfer stations 58, 58', 58" and hold-forcleaning stations 73, 77. After transfer, the receiving sheet is passed through lacquering station 18 and drying station 19 to a cutting mechanism 20. Movement of the plates is controlled by means of the positioning of openings 52, 53, 54 on each set of plates and by a number of micro-switches located along the path of the plates at and between each station and included in a logic circuit, Fig.4 (not shown) which intermittently energizes the appropriate motors driving the belts. In a second embodiment, Fig.6 (not shown), separate exposure and transfer stations are provided for each set of plates and the holding stations are dispensed with. In a third embodiment, Fig.9 (not shown) a single exposure station is used. Exposure may be controlled automatically according to the colour and intensity of the light by known means.
Patent GB-1262593-A (GB)
Title: PRODUCTION OF o-AMINOBENZONITRILES
Filed: 1969-06-26
Abstract: 1,262,593. o-Amino benzonitriles. BADISCHE ANILIN- & SODA-FABRIK A.G. 26 June, 1969 [29 June, 1968], No. 32351/69. Heading C2C.  o-Aminobenzonitriles which may be substituted in the ring by one or two halogen atoms or aliphatic radicals are prepared by decomposing an isatin-#-oxime of the formula where R<SP>1</SP> and R<SP>2</SP>, which may be the same or different, each denotes a hydrogen or halogen atom or an aliphatic radical, in the presence of a basic compound e.g. alkali metal hydroxides, carbonates, alcoholates, carboxylates at a temperature in the range 130-200 C. In examples, 2-aminobenzonitrile and 5-chloro- (or 5-methyl)-2-aminobenzonitrile are prepared. Starting materials include 5-isobutyl-, 5,7-dibromo and 4-methyl-5-chloroisatin #-oxime.
Patent GB-1019685-A (GB)
Title: Improvements in or relating to the measurement of the electric resistance of semi-conductor material
IPC: G01R31/26
Filed: 1964-08-07
Abstract: 1,019,685. Measuring resistance of semiconductor materials. SIEMENS-SCHUCKERTWERKE A. G. Aug. 7, 1964 [Aug. 9, 1963], No. 32367/64. Heading G1U. To determine the resistance of a semi-conductor body, the body is disposed between a pair of electrodes which are relatively moveable towards and away from each other and which compose the capacitance of an oscillatory circuit, and an electrical signal at a predetermined frequency is injected into the oscillatory circuit. The spacing of the electrodes is varied to tune the circuit to resonance at the predetermined frequency, and the magnitude of the signal in the oscillatory circuit is sensed. In apparatus suitable for measuring the resistance of a pure silicon disc 2, the oscillatory circuit contains a capacitance including an adjustable electrode 5 (mounted by a metal plate 8 and a guide 9) and a fixed silver plated copper electrode 3. The inductance of the circuit is provided by the loop including the plates 3 and 8 and the silver strips 11 and 12. The disc 2 is inserted between the plates of the variable capacitor to rest on the plate 3, which is covered with a thin film of distilled water 4. This liquid layer renders disturbance due to irregularities etc., ineffective. The effect of the semi-conductor is to resistively shunt the oscillatory circuit and thus affect its Q value. High frequency energy (of about 300Mc/s) modulated at 1000 c/s supplied from a generator 13 and a modulator 18 is coupled into the oscillatory circuit by means of a loop 14. A second coupling coil 15 receives the resonance energy, and after detection and amplification at 19 and 16, a measurement is effected by observing the maximum reading on the instrument 17. It is desirable to make the Q factor of the oscillatory circuit (i.e. the ratio of reactance to effective resistance) greater than 5. The measuring arrangement is calibrated using discs of known resistance. The apparatus may be modified by reducing the size of the electrode 5 (Fig. 2 not shown) so as to measure the resistance of selected parts only of the semiconductor plate.
Patent GB-1345438-A (GB)
Title: Process for the peptisation of chloroprene polymer latex
IPC: C08C19/08
Filed: 1971-07-09
Abstract: 1345438 Peptizing polychloroprene latex DISTUGIL 9 July 1971 [10 July 1970 3 June 1971] 32388/71 Heading C3P Sulphur-modified chloroprene polymer latices, prepared in the presence of sulphur and a modifier comprising iodoform as a di(C 1-8  alkyl)- xanthogen disulphide, are peptized by treatment at a pH of at least 9 with a thiol of formula R-SH or the ionized form RS-M<SP>+</SP>, in which M is an alkali metal or ammonium cation and R is any of a variety of defined organic groups. In examples, conventionally prepared polychloroprene latices are peptized with the following compounds: n-dodecyl mercaptan, n-octyl mercaptan, thiobenzoic acid, the sodium salt of mercaptobenzothiazole, sodium isopropylxanthate, 2-mercaptobenzimidazole, benzenethiol, sodium mercaptosuccinate and 2-thionaphthol.
Patent GB-189778-A (GB)
Title: A fire-proof building panel or plate
IPC: E04F13/00
Filed: 1922-11-27
Abstract: 189,778. Magelssen, N. Dec. 2, 1921, [Convention date]. Veneer-like sheets.-Fire-proof building plates are made from several wooden boards placed edge to edge and coated with fire-proof sticky material of the kind described in Specification 1703/13, [Class 95, Paints &c.]. The boards may be coated by means of rollers, the fire-proof substance acting as a cement. The surface of the plate may be treated so as to imitate sandstone. The Specification as open to inspection under Sect. 91 (3) (a) refers to Specifications 27812/12 and 2894/13, [Class 87 (i), Bricks &c.]. These references do not appear in the Specification as accepted.
Patent GB-444338-A (GB)
Title: Improvements in printers' blankets
IPC: B41N10/04
Filed: 1934-11-10
Abstract: 444,338. Coated fabrics. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(New England Fibre Blanket Co. ; Worcester, Massachusetts, U.S.A.) Nov. 10, 1934, No 32459. Drawings to Specification. [Class 140] [See also Groups XVI and IX] A method of making a printers' blanket consists in loosely weaving a woollen fabric, fulling the fabric to maximum thickness, sizing the fabric with a material which is flexible and moisture resistant when dry, compressing the fabric while damp and drying it by heat while so compressed. The fabric is provided with several surface coatings of cellulose compositions to render it ink-repellent. A two-ply fabric is woven loosely from woollen yarns of which the warp yarns are twisted more tightly than and opposite to the filling yarns. The woven fabric is then fulled to maximum thickness and is impregnated with a size obtained from the endosperm of vegetable seeds and consisting of a mixture of galactan and mannan. The fabric is then pressed to the desired thickness and simultaneously dried by heat. Three separate coatings are now applied to the fabric, the first consisting of a thin solution of nitrocellulose, the second consisting of 25 per cent nitrocellulose, 53 per cent castor oil and 22 per cent pigment, and the third consisting of 53 per cent nitrocellulose, 34 per cent castor oil and 13 per cent pigment.
Patent GB-506391-A (GB)
Title: Improvements in or relating to the treatment of solid carbonaceous materials
IPC: C10B47/44
Filed: 1937-11-25
Abstract: 506,391. Furnace plant. QUENNELL, H., and LLOYD, F. Nov. 25, 1937, No. 32469. [Class 51 (i)] Non-coking coal is carbonized at a temperature of 400-500‹ C. in an externally-heated rotary retort of the kind described in Specification 454,268, and the coke, while still hot, is supplied to the grate of a combustion apparatus where it is burnt. The coking time is such that all volatiles capable of being removed at the working temperature are driven off. The gas produced, after extraction of condensible products, is used either in the combustion apparatus to which the coke is fed, or for heating the retort, but the latter may be heated by the waste gases of the combustion apparatus. The fuel may be crushed before it is fed to the retort, or the crushing may be effected after carbonization. Access of air to the hot coke between the retort and the combustion apparatus is prevented by use of an enclosed conveyer, and where the combustion apparatus is fed intermittently arrangements may be provided for storage of the hot coke out of contact with air.
Patent GB-245160-A (GB)
Title: Improvements in junction boxes or coil casings for submarine cables
IPC: H02G15/14
Filed: 1925-12-24
Abstract: 245,160. Felten &. Guilleaume Carlswerk Akt.-Ges. Dec. 27, 1924, [Conven. tion date]. Junction boxes.-A submarine junction box or coil casing of the type comprising a rigid casing of tinned bronze &c. located within a lead covering, is made of spherical form to increase its rigidity. The bronze &c. casing b is made in two parts and soldered to the sheathing of the cables at c<1>, c<2>. The lead covering a which is in two parts, is then arranged over the casing b, soldered to the cable sheathing, and then soldered at the centre c.