baber/WOPTO huggingface dataset:
Patent GB-1102331-A (GB)
Title: Improvements in or relating to data processing systems
IPC: G01F23/36
Filed: 1965-02-03
Abstract: 1,102,331. Selective signalling. GENERAL PRECISION Inc. 3 Feb., 1965 [5 Feb., 1964], No. 4765/65. Heading G4H. [Also in Division G1] In a position digitizing system using two denominational gear-coupled shafts in which the position of each shaft is converted inductively, by cyclically moving a magnet past a coil mounted on the end of an arm attached to the shaft, into a differentially timed pulse which is then converted into a duration significant pulse, each duration significant pulse is digitized by counting relatively high frequency clock-pulses, and transitional carry errors in the higher denomination are avoided (a) by arranging that four clock-pulses correspond to a single increment in that denomination, e.g. to a foot, (b) by blocking the first two clock-pulses that would normally be counted, (c) by passing the remaining clock-pulses to a divide-by-four circuit and then to the counter, the remainder resulting from the division always being ignored, and (d) by entering, at the end of each digitizing cycle, a further 0, 1, 2 or 3 pulses into the divide-byfour .circuit in accordance with the count achieved in the lower denomination, whereby the count in the higher denominational counter may be selectively increased by unity. Thus by subtracting two pulses from the higher denominational pulse train before its division by four, the higher denominational count is prevented from becoming too high, providing the tolerances within the system are not too large, and the final count is corrected at the end of each digitizing cycle, by reference to the lower denominational count.
Patent GB-855568-A (GB)
Title: Magnetron oscillator
IPC: H01J23/05
Filed: 1958-02-13
Abstract: 855,568. Magnetron oscillators. COMPAGNIE FRANCAISE THOMSON-HOUSTON. Feb. 13, 1958 [Feb. 13, 1957], No. 4786/58. Class 39(1). A magnetron oscillator consists of two coaxial unsplit magnetron structures side by side with electrons generated in first (cathode) structure directed into the second (inter action) structure by an axial component of electrostatic field set up between the two structures. The two structures may have a common anode or a common cathode and negative electrode and the anodes may surround or be within the cathode and negative electrode. The anodes may be at different potentials or of different diameters or the anode of the cathode structure may be conical in shape. In Fig. 11 cathode structure 9, 10-10<SP>1</SP> supplies interaction structures 11, 12 and 11<SP>1</SP>, 12<SP>1</SP> in push-pull. In Fig. 13 surrounding anode 20 has wider portion opposite emissive portion of filament 25. Corresponding structures to Figs. 11 and 13 may be provided with the anodes within the cathode. In Fig. 15 wire shaped cathodes 69 surround a central anode 57 and the inter action structure consists of cylinder 52 at cathode potential and-anode 58 of longer diameter than the anode 57. Annular elements 59, 60 prevent escape of electrons.
Patent GB-311798-A (GB)
Title: Improved manufacture of cast iron
IPC: C22C37/00
Filed: 1928-02-15
Abstract: 311,798. International Nickel Co., Merica, P. D., Vanick, J. S., and Wickenden, T. H. Feb. 15, 1928. Alloys.-A grey cast iron which does not increase substantially in volume when repeatedly subjected to high temperatures has upwards of 3 per cent of carbon, less than 1.5 per cent of silicon. and up to 5 per cent of nickel, the nickel being present in substitution for the balance of the normal silicon content. 2 to 4 parts of nickel are substituted for' each part of silicon below the normal amount present in a given composition. Up to 1.5 per cent of chromium may be present. Specifications 225,501, 279,414 and 279,415 are referred to.
Patent GB-1384052-A (GB)
Title: Manufacture of pneumatic tyres
IPC: B29D30/06
Filed: 1971-02-22
Abstract: 1384052 Pneumatic tyre manufacture DUNLOP HOLDINGS Ltd 11 Feb 1972 [22 Feb 1971 20 April 1971] 5066/71 and 10148/71 Addition to 1202702 Heading B7C A method of making a casing for a pneumatic tyre comprises the steps of building a carcass of uncured rubberized cord ply material, applying a breaker assembly, if required, of the same material, applying a layer of uncured undertread rubber on the carcass and breaker assembly, shaping the carcass to its final toroidal form either before or after applying the breaker or after applying the undertread material, and at least partially curing the casing. A complete tyre may then be made by applying further undertread material if required together with a tread portion and completing the curing. The curing of the casing may be substantially complete curing with the final curing of only the additional undertread material and the tread portion, which latter may be in a partially cured state. The material of the breaker may be slow curing and be finally cured with the tread portion. The thickness of undertread rubber first applied is at least 50% of the total thickness. The carcass is built on a flat or crown former and shaped to its toroidal configuration by an inflatable diaphragm. The undertread rubber may be applied in the form of an extruded strip or by strip winding. The curings take place in a mould with the tread pattern either imparted in the final mould during curing, or applied to the casing using individual lugs or provided on the tread portion. The total thickness of undertread rubber is between 40-50% of the thickness of the tread portion. In the finished tyre the maximum preferred buttress depth B is 0À35 A, where A is the section height, and the nominal tread edge of the partially cured tyre lies radially inwards of the buttress depth by an amount C which lies in the range 0À01 B to 0À15 B.
Patent GB-953384-A (GB)
Title: Improvements in and relating to the hackling of bast fibre stalks
IPC: D01B1/24
Filed: 1961-02-10
Abstract: 953,384. Hackling bast fibres. NOVIULAS N. V. Feb. 10, 1961 [Feb. 12, 1960], No. 5142/61. Heading D1N. When hackling bast fibre stalks through two or more hackling fields the stalks are arranged closer to each other as they are transferred between the treatment stages. The stalks are carried through adjacent hackling fields clamped between belts 8, 9 supported and moved along within the U-shaped links of chains 16, 17, but between the hackling fields the belts are caused by a device 11 to diverge and the stalks released by the belts are temporarily held between an additional belt and a guide member of U-section. During the transfer from one hackling field to the next, those ends of the stalks that have not been hackled are caused to take up a hackling position. A helical strip 25 with a pointed end 27 is rotated on a shaft 19 so that the end 27 periodically enters the stream of stalks leaving the first hackling field and pushes forward a bundle of stalks and, in so doing, causes the stalks within the bundle to lie closer together. At the position where the end 27 is operative, the stalks are supported on a plate 32 carried on a rotatable cylinder 24.
Patent GB-1505006-A (GB)
Title: Transfer apparatus
IPC: B65G47/80
Filed: 1976-02-10
Abstract: 1505006 Dispensing articles on to conveyers SI HANDLING SYSTEMS INTERNATIONAL Ltd 10 Feb 1976 [10 Feb 1975] 05223/76 Headings B8U and B8A Articles such as parcels 1, 1a are fed from an incoming conveyer 7 to a conveying sorter 4 by a rotary transfer apparatus which comprises a rotor 14 surrounded by a vertical guide wall 13 having a discharge opening above the sorter 4, the rotor 14 having vertical surfaces 17, 18 formed therein, a load supporting surface 15, 16 extending along each surface 17, 18 respectively at the lower end thereof and then extending circumferentially therefrom in the direction of rotation and also extending upwardly in the direction of rotation, each surface 15, 16 also being inclined downwardly from a central hub portion (25) of the rotor (14) to define a substantially spiral-conical configuration having inner (27) and outer (29) conical portions, Fig. 3 (not shown).
Patent GB-538977-A (GB)
Title: Improvements relating to lifting hand trucks, and to raised platforms for use therewith
IPC: B62B3/06
Filed: 1940-03-26
Abstract: 538,977. Hand trucks. SLINGSBY, H .C. March 26, 1940, No. 5457. [Class 108 (i)] A lifting truck of the general kind described in Specification 184,067, [Class 108 (i)], is adapted to be inserted beneath a load-carrying platform and used to lift it clear of the ground without sliding engagement of any part on the handle end of the truck frame. Means for preventing displacement of the platform during transit consist of a cross-tube 4 with pins 17 engaging recesses of the platform, stops 19 being provided to position the platform for engagement.
Patent GB-396836-A (GB)
Title: A connection system for cathode ray oscillographs in conjunction with special receivers
IPC: G01R13/22
Filed: 1932-02-25
Abstract: 396,836. Electrostatic meters; oscillographs. ARDENNE, M. VON, 19, Jungfunstieg, Lichterfelde-Ost, Berlin. Feb. 25, 1932, No. 5585. [Class 37.] A cathode-ray oscillograph 1 when used in conjunction with a thermionic valve receiver or amplifier 3 for measuring purposes is arranged so that the high potential for the cathode ray tube is also applied to the anodes of the thermionic valves 9, 10. These valves are selected to have a low reciprocal of the amplification factor and therefore a high anode potential. Resistance-capacity coupling is used between the valves. The input to the grid of the first valve passes through a condenser 7 which is arranged to have a high breakdown potential so that the tuned circuit may be earthed. The valves may be indirectly heated, in which case the heating transformer in the mains unit is carefully insulated from the other windings thereof. The amplification factor of the valves is arranged to be of the order of 1000 or more. Specification 381,750, [Group XL], is referred to.
Patent GB-511697-A (GB)
Title: Improvements in or relating to air-distributing and ventilating devices
IPC: F24F13/062
Filed: 1938-02-22
Abstract: 511,697. Air distributers. KURTH, F. J. Feb. 22, 1938, No. 5620. Convention date, Feb. 24, 1937. [Class 137] An air distributing device comprises a number of successively larger spaced members 1, 2, 3, 4, which provide between them flaring passages a, b, c, and an air supply conduit A the air from which is so deflected by a member such as 5, that the incoming air is directed across the inner ends of certain of the members such as 1 and 2, thus causing an inward flow of room air through other passages such as a, d to mix with the fresh outgoing air. The deflector 5 is adjustable vertically to vary the amount of air drawn in. In modifications, the deflector 5 is replaced by a truncated annular hollow member, or by a cylindrical member carrying a deflecting ring. In Fig. 6, the deflector takes the form of a number of hollow flaring members 26, 27, 28 which divert the outgoing fresh air towards the inner surfaces of the members 1f, 2f, 3f, 4f, the room air entering through zones within those of the outgoing fresh air and mixing therewith.
Patent GB-1453361-A (GB)
Title: Method and apparatus for the drying and baking of ceramic products
IPC: F27D7/06
Filed: 1974-02-07
Abstract: 1453361 Heat-treating ceramic products INSTITUT FUR BAUUND GROBKERAMIK 7Feb 1974 05757/74 Addition to 1270969 Heading F4B In a process for drying and firing ceramic materials with circulation of steam given off under pressure as described in patent Specification 1,270,969, the furnace is heated by combustion of at least one fuel. The combustion products may be fed into the furnace, or the furnace may be indirectly heated. Two or more fuels may be employed simultaneously.
Patent GB-970315-A (GB)
Title: Circuit arrangement for sending and receiving code signals
IPC: H04Q1/453
Filed: 1961-02-16
Abstract: 970,315. Electric selective signalling systems. TELEFONAKTIEBOLAGET L. M. ERICSSON. Feb. 16,1961 [Feb. 16, 1960], No. 5847/61. Heading G4H. [Also in Division H4] Signals comprising a combination of two frequencies out of a set of seven or two series pulses out of seven are transmitted to a receiver the output of which is inhibited if two adjacent frequencies in the set or two adjacent pulses are received. In the former case, a keyboard SS is used to select an appropriate combination of audio frequencies 1-7, the receiver MM comprising respective frequency-selective elements 1-7 arranged to mark two of the output leads 0, 1, 2, 4, 7, 10, X corresponding to the received frequencies. If, owing to interference, two adjacent leads are marked, the corresponding AND gate F-K is enabled, gate T is inhibited and gates M-S are closed to block the output of the receiver. A recoder UU converts the two out of seven code to a two out of six code which uses all fifteeen possible combinations. In Fig. 2 (not shown) the input to the transmitter is in two out of six code which is converted to the two out of seven code, transmitted in serial form by means of AND gates and a tapped delay line, and at the receiver again transformed to parallel form by a further tapped delay line, the signals then being processed as in the receiver of Fig. 1. The transmitter and receiver are synchronized by transmitting a selected code group every twenty code groups.
Patent GB-1451140-A (GB)
Title: Process for the oxidation of hydrocarbons
IPC: C07C29/52
Filed: 1974-02-08
Abstract: 1451140 Process for the oxidation of hydrocarbons BAYER AG 8 Feb 1974 [28 March 1973] 05853/74 Heading C2C The invention comprises a process for the oxidation of a C 4-20  saturated hydrocarbon with a gas containing molecular oxygen in the presence of at least one catalyst and/or at least one auxiliary agent to yield a mixture of an alcohol and a ketone, wherein secondary products and auxiliary substances, when present, are separated off by washing or hydrolysing with water, wherein the resulting organic phase is saponified with an aqueous, alkaline solution, an organic phase is separated off and processed to to obtain a mixture of an alcohol and a ketone and the resulting alkaline solution containing organic impurities is subjected to liquid-phase oxidation with a gas containing molecular oxygen in at least a stoichiometric quantity sufficient for complete oxidation of the organic impurities to CO 2  and water, the oxidation taking place in a zone heated to at least 200 C. under a pressure sufficient to keep at least some of the water in the liquid phase, and wherein the alkali carbonate/bicarbonate solution formed is returned to the saponification stage.
Patent GB-512030-A (GB)
Title: Watertight watch case
IPC: G04B39/02
Filed: 1938-02-24
Abstract: 512,030. Watches. MORF, E. Feb. 24, 1938, No. 5866. [Class 139] In a watertight watch case having the case band a and back b in one piece, the crystal e and band a are so formed that the crystal is forced into the band, the crystal having on its rim a formation (edge e<1>) which permits the crystal to be gripped for removal. The grip between crystal and band is assisted by a ring g. The band and back may be an integral piece or two parts permanently connected as by soldering. The crystal is preferably a transparent product of polymerisation of acrylic acid. In a modification, Fig. 2, the crystal has a groove e' for removal and the ring g is replaced by the dial g<1>. In another form, Fig. 5, the crystal has the cross section shown so that after being forced into the case band, the camber of the crystal holds it firm.
Patent GB-964162-A (GB)
Title: New organic phosphine oxides
IPC: C08G63/692
Filed: 1963-02-13
Abstract: The invention comprises alkyl bis (4-hydroxy-n-butyl) phosphine oxides having the general formula: <FORM:0964162/C1/1> wherein R is an alkyl radical especially methyl or ethyl.  They may be obtained by reacting the magnesium derivative of a 1-halogeno-4-tetrahydropyranyloxy-n-butane with an alkyl dichlorophosphine oxide and removing the tetrahydropyranyl groups from the resulting alkyl bis (4-tetrahydropyranyloxy)-n-butyl phosphine oxide by heating with a sufficiently strong acid, e.g. a mineral acid such as hydrochloric acid or a strong organic acid e.g. one having a pka of at most 1.0 e.g. benzene- or p-toluene-sulphonic acid.  The first reaction step is preferably carried out in the presence of a monocyclic ether having 5 or 6 ring atoms, e.g. tetrahydropyran or tetrahydrofuran and their methylated homologues. The reaction is suitably effected by adding to alkyl dichloro-phosphine oxide to a solution of the magnesium derivative in a monocyclic ether at about 0 DEG C. and then refluxing and finally removing the ether. The magnesium is also removed e.g. by precipitation as carbonate, and the residue evaporated to dryness. The second step (removal of the tetrahydropyranyl groups) is preferably carried out in alcoholic solution.  An example is given for the production of compounds in which R in the general formula is methyl.  The products may be condensed with saturated or unsaturated dicarboxylic acids to form polyesters or with organic diisocyanates to form polyurethanes (see Division C3).  The magnesium derivatives of 4-tetra-hydropyranyloxy-1-halogeno-n-butanes may be obtained by the action of magnesium on 4-tetrahydropyranyloxy-1-halogeno-n-butanes in the presence of a cyclic ether, e.g. one of those specified above.ALSO:An alkyl bis(4-hydroxy-n-butyl)-phosphine oxide of the formula: <FORM:0964162/C3/1> in which R is alkyl, especially methyl or ethyl, (see Division C2) may be condensed with a saturated or unsaturated dicarboxylic acid to form a flame-resistant polyester or with an organic diisocyanate to form a flame-resistant polyurethane. Examples are given for the production of polyurethanes by reacting methyl bis (4-hydroxy-n-butyl)phosphine oxide with 1, 6-diisocyanate hexane and 4, 41-diisocyanate diphenyl methane respectively.
Patent GB-388215-A (GB)
Title: Improvements in lenses
IPC: G02B13/00
Filed: 1932-02-27
Abstract: 388,215. Lenses. LEE, H. W. and KAPELLA, Ltd., 104, Stoughton Street, Leicester. Feb. 27, 1932, No. 5880. [Class 97 (i).] In a lens of Br³cke type, comprising an achromatic collective member A and an achromatic dispersive member B separated from the member A by a distance greater than the focal length of the latter, the member A has three collective components a, b, c, of which at least two are compound, and the member B comprises a bi-convex collective component e and a dispersive component d separated from the component e by an air space having the shape of a dispersive lens. The contact surfaces of the compound components of the member A are dispersive and are concave towards the member B. The separations of the components a, b, c do not exceed the axial thickness of any of the components. Numerical data are given for the example shown, having a focal length of about #", aperture f/4, and a flat field of 40‹.
Patent GB-471125-A (GB)
Title: Process for the manufacture of intermediate products for dyestuffs
IPC: C07C317/46
Filed: 1936-02-27
Abstract: Products of the formula R1--CH2SO2--R2, wherein R1 is a benzene nucleus in which at least one hydrogen atom is replaced by an o- or pdirecting substituent such as halogen, alkyl or alkoxy, or R1 is a benzene nucleus having an attached carbocyclic ring and R2 is a benzene nucleus containing a hydroxy group in o-position to a carboxylic acid group and which may be further substituted, are nitrated, and, if desired, reduced.  In examples the following materials are nitrated in sulphuric acid monohydrate: -2- and 4-chlorbenzyl-4<1>-oxyphenylsulphone-5<1>-carboxylic acids (prepared by condensing o- and p-chlorbenzyl chloride respectively with salicylsulphinic acid), 2- and 4-chlorbenzyl - 3<1> - methyl - 4<1> - oxyphenylsulphone - 5<1> - carboxylic acids (prepared by condensing o- and p-chlorbenzyl chlorides respectively with o-cresotinic sulphinic acid); the resulting nitro compounds may be reduced, iron and acetic acid being mentioned for this purpose.  Reference has been directed by the Comptroller to Specification 451,420.
Patent GB-411986-A (GB)
Title: Improvements in and connected with colliery rollers, drums and sheaves for colliery ropes and like purposes
IPC: B66D3/06
Filed: 1933-10-24
Abstract: 411,986. Lubricating. CAMPBELL, W. J., Mount Pleasant, Lyndhurst Grove, Low Fell, Gateshead-on-Tyne. Oct. 24, 1933, No. 6004. [Class 12 (ii).] One or more loose pulleys are lubricated from a hollow axle 1 having oil holes 13 and fixed in end brackets 2, 3. One end of the shaft opens into the box-like bracket 2 containing lubricant and the other end of the shaft, which is closed, enters a boss in the bracket 3 and is retained therein by means such as a split pin 5. The outer faces of the end pulleys are flanged at 17, and one or more horns may be formed on the webs of the brackets 2, 3 to act as a rope guide.
Patent GB-1485387-A (GB)
Title: Vehicle steering mechanism
IPC: B62D7/08
Filed: 1974-02-09
Abstract: 1485387 Chain gearing EATON Ltd 29 Jan 1975 [9 Feb 1974] 0014/74 Heading F2Q [Also in Division B7] The steering mechanism of a fork-lift truck enables the rear wheels 12, 13, Fig. 3, of the truck to be steered about respective vertical axes 12<SP>1</SP>, 13<SP>1</SP>, Fig. 2, to positions in which the track may turn about a point midway between the non-steerable front wheels of the truck, the steering mechanism comprising sprockets 25, 26 which are arranged for effecting steering movements of the respective wheels 12, 13 and which are coupled by respective chains 27, 28 through 2 : 1 ratios to respective sprockets 30, 29, the sprockets 30, 29 being provided with respective eccentric trunnions (30<SP>1</SP>), Fig. 4 (not shown), and 29<SP>1</SP>, Fig. 2, located in respective guide slots (45), Fig. 4, and 42, Fig. 2, whereby angular movements of the sprockets 30, 29 are accompanied by displacements of their central axes so as to cause differential angular displacements of the sprockets 25, 26 and wheels 12, 13. As illustrated, the displacements of the sprockets 30, 29 are guided by the engagement of bearings 35, 37 with respective arcuate guides 36, 38. The sprockets 30, 29 are drivingly interconnected by a coupling (31), Fig. 4 (not shown), which permits relative movement of the central axes of the sprockets. The steering mechanism further includes an hydraulic steering ram 16 operatively connected to the sprocket 25 through a lever 19 and a link 23.
Patent GB-843567-A (GB)
Title: Improvements in and relating to canopies or awnings
Inventor: BENNEY ADRIAN GERALD SALLIS
IPC: A47C7/66
Filed: 1958-02-25
Abstract: 843,567. Vehicle hoods. CLARK, SON & MORLAND Ltd. Feb. 25, 1959 [Feb. 25, 1958], No. 6074/58. Class 108(1). A canopy comprises a horizontal V-shaped member 11 supported on two pairs of arms 12, 13 carried by the fittings on the perambulator. The canopy is maintained in its adjusted position by clamping means 23. The lower ends of the members 12 and 13 are provided with resilient sleeves 32, 33 which maintain the arcuate ends 28 of the arms into engagement with the perambulator fittings. To disengage the arms the oval shaped members 37 are turned to open the ends 28.
Patent GB-249993-A (GB)
Title: Manufacture of reddish-yellow vat dyestuffs
IPC: C09B5/20
Filed: 1925-03-05
Abstract: 249,993. British Dyestuffs Corporation, Ltd., Baddiley, J., and Shepherdson, A. March 5, 1925. Flavanthrone is purified by fractional precipitation from its solution in concentrated sulphuric acid or by treating it with sulphuric acid of such strength as will dissolve the impurities but not the dyestuff. The purified product dyes cotton in brighter and redder shades than the crude product. According to an example, crude flavanthrone is dissolved in sulphuric acid monohydrate, diluted slightly with ice, and the precipitated dye filtered, washed with acid of 80-90 per cent strength and then with water. Specifications 9269/14, 9975/14, and 184,193 are referred to.