baber/WOPTO huggingface dataset:
Patent GB-772878-A (GB)
Title: Improvements in or relating to rotary wing aircraft
IPC: B64C27/82
Filed: 1954-11-10
Abstract: 772,878. Rotary wing aircraft. UNITED AIRCRAFT CORPORATION. Nov. 10, 1954 [Nov. 24, 1953]. No. 32529 /54. Class 4. [Also in Group XXIX] A helicopter comprises main and auxiliary rotors driven by an engine at a predetermined speed ratio and each having variable pitch blades, and a control arrangement for adjusting the auxiliary rotor blade pitch in response to engine manifold pressure. As described, the auxiliary rotor is an anti-torque rail rotor. In Fig. 3, three rods 86 from the cyclic pitch lever rock levers 62 mounted on a shaft 60 to actuate through bell-crank linkages, servomotors 76a, 76b and 76c to adjust a conventional swash plate. The shaft 60 is movable bodily by rotation of shaft 50 connected to dual control collective pitch levers 46. Shaft 50 also actuates through a bell crank linkage, the throttle 113 of the engine, so as to maintain engine speed constant as the rotor collective pitch is altered. The pitch of the tail rotor is adjusted by cables 144 Fig. 4, anchored to a quadrant 138 controlled by a hydraulic servomotor 164, the valve rod of which is controlled by a lever 190 having two inputs, one from a lever 128 adjustable by a cable 120 from the pilot's rudder pedals, and also providing a mechanical feed back signal, and the other from a bellows 162 connected internally to the engine intake manifold. As the engine power output is varied the bellows 162 feeds a signal to lever 190, and the quadrant 138 is rocked until lever 128 gives an equal and opposite feed back signal. At the same time, the pilot has an overriding control through cable 120. The servomotor 164 is of the type in which manual control is automatically established if the hydraulic pressure fails. Specifications 554,497 and 655,217 are referred to.
Patent GB-655536-A (GB)
Title: Improvements relating to navigational instruments for aircraft
IPC: G01C19/38
Filed: 1948-12-17
Abstract: 655,536. Dynamo-electric machines. FERRANTI, Ltd., NELSON, H. G., DEAN, J., CLUDERAY, E. S., and EVANS, R. D. Dec. 17, 1948, No. 32649. [Class 35] [Also in Group XX] An electrically driven motor for a gyroscope comprises a rotor 10 axially fixed relative to the gimbals 12, 15 and a stator 11 capable of axial movement from the first position 23 shown in dotted lines, to the second position shown in full lines. With the motor unenergized the stator occupies the first position so that the gimbal system is pendulous and remains vertical and, on energization of the motor, the electromagnetic field between the rotor 10 and stator 11 lifts the stator into the second position wherein the system is in neutral equilibrium. If the weight of the stator is insufficient to move it into the first position when the instrument is switched off, the force of gravity may be augmented by a spring. In another embodiment the force resulting from the energization of the motor employed to move the stator is the torque reaction exerted on the stator as the rotor begins to revolve, the rotation of the stator due to this reaction being converted into an upward movement by providing the stator with keys engaging a thread on the rotor shaft on which the stator is a sliding fit.
Patent GB-144571-A (GB)
Title: Improvements in screw stoppers for bottles and like receptacles
IPC: B65D39/08
Filed: 1919-12-30
Abstract: 144,571. Tompkins, M. J. Dec. 30, 1919. Stoppers, bayonet-joint. -Stoppers for bottles and like receptacles, having interrupted screw surfaces on the stopper engaging corresponding interrupted screw surfaces on the bottle neck have a packing washer arranged in an annular recess in the flange d of the closure. The invention may be applied to caps for petrol cans, in which case the annular recess is formed on the inside face of the closure
Patent GB-746877-A (GB)
Title: New disazo-dyestuffs and metalliferous disazo-dyestuffs and process for making them
IPC: C09B35/16
Filed: 1953-11-25
Abstract: 2 - Phenylamino - 5 - oxynaphthalene - 7 - sulphonic acid-31 - or 41-sulphonamide and the corresponding 41 - methyl - 31 - sulphonamide, 31 - sulphomethylamide, or 31-sulpho-b -oxyethylamide are obtained by reaction of 2-amino-5-oxynaphthalene-7-sulphonic acid or 2,5-dioxynaphthalene sulphonic acid with the corresponding amino-sulphonamide in presence of sodium bisulphite and caustic soda solutions.  2 - Phenylamino - 8 - oxynaphthalene - 6 - sulphonic acid-31-sulphonamide may be similarly prepared.ALSO:The invention comprises diazo dyes of the formula <FORM:0746877/IV(c)/1> in which R is the residue of a 1-oxynaphthalene -3- sulphonic acid bound in 2-position to the azo linkage and which contains in a b - position an arylamino group containing a substituted or unsubstituted sulphonamide group in the aryl residue. They are made by coupling tetrazotised 3, 31-dioxy -4, 41-diaminodiphenyl with a 1-oxynaphthalene -3- sulphonic acid which contains a sulphonamido-arylamino group in 6- or 7-position.  The products may be metallized, e.g. with copper or nickel compounds.  The coupling may be in alkaline medium in presence of a solvent. The products dye or print cotton, linen, artificial silk, or regenerated cellulose, and dyeing may be metallized on the fibre (e.g. according to Specifications 455,274, 737,800 and 732,925).  In examples, tetrazotised 3, 31-dioxy -4, 41-diaminodiphenyl is coupled with 2-phenylamino -5- oxynaphthalene -7- sulphonic acid -31 or 41-sulphonamide or the corresponding 3, 41-methyl-31-sulphonamide, 31-sulphomethylamide, or 31-sulpho-b -oxyethylamide, or with 2-phenylamino -8- oxynaphthalene -6- sulphonic acid -31- sulphonamide.  A dyeing example using cotton, with subsequent coppering, is given.
Patent GB-537490-A (GB)
Title: Improvements in or relating to electron discharge apparatus
IPC: H01J25/10
Filed: 1939-12-22
Abstract: 537,490. Electron oscillators. STANDARD TELEPHONES & CABLES, Ltd., and FREMLIN, J. H. Dec. 22, 1939, No. 32815. [Class 39 (i)] A hollow resonator for use in velocity-modulated, ultra high-frequency oscillators consists of inner and outer concentric shells B, A, Fig. 2a, with aligned slots through which the electron beam passes, guides C. D. E being formed on the shells ; standing waves on the shells bunch the incoming beam and receive energy from the bunched electrons. A number of beams may pass through parallel guides E, Fig. 3, or through crossed guides J, Fig. 4. Electrostatic or magnetic focusing may be used with the single or parallel beams ; to concentrate electrons from a wide cathode H, Fig. 5, an inhomogeneous magnetic field may be used. A modulating electrode G may be placed in front of the cathode H, and a separate collector F may be used. Specifications 431,447 and 528,041 are referred to.
Patent GB-1008380-A (GB)
Title: Bale loading mechanism
Inventor: JONES RICHARD WILLIAM
IPC: A01D87/12
Filed: 1963-08-20
Abstract: 1,008,380. Bale handling attachments for tractors. R. W. JONES. July 29, 1964 [Aug. 20, 1963], No. 32852/63. Heading B8H. A boom 11, secured to a shaft 10 supported by the lift links 14 of a tractor 13, is provided with a fork 22 which is pivoted to the boom about a skew axis whereby, when the boom is raised from the position shown in Fig. 1, in which the fork extends forwardly alongside the tractor, to an upright position, the fork pivots to a position shown in plan view in Fig. 4, in which it extends rearwardly over a trailer coupled to the tractor. Pivotal movement of the fork 22 is limited in one direction by the boom 11 and in the other direction by a structure 23 having a buffer 24. The shaft 10 is provided with lugs 12 pivoted to the lift links 14 and with a plate 16 around which passes a chain 17 secured at one end to the plate and at the other end to the outer end of a fixed member 18. On raising the links 14, the chain 17 is tensioned and rotates the shaft 10 to bring the boom 11 into a substantially upright position in which it is halted by a telescopic link 20, connected between the shaft 10 and the member 18 and provided with a cushioning spring 21. The fork 22, under the momentum of a bale impaled thereon, continues to move rearwardly until it reaches the position shown in Fig. 4.
Patent GB-245758-A (GB)
Title: Process for the production of azo dyestuffs for dyeing cellulose esters, especially cellulose acetate
IPC: C09B29/00
Filed: 1925-12-30
Abstract: 245,758. Chemical Works, formerly Sandoz. Jan. 6, 1925, [Convention date]. Azo dyes are produced which contain in the aryl nuclei one or more glycolether or glycerol. ether groups but no sulphonic or carboxylic groups. They may be obtained by coupling diazotized aminoarylglycolethers or aminoarylglycenrolethers with the usual components. They are especially suitable for dyeing cellulose esters, particularly the acetate, and when a diazotizable amino group is present the dyeings may be diazotized and developed in the usual manner. Specifications 197,809, 200,873, 204,280, [Class 15 (ii), Dyeing &c, Processes &c. for], and 212,029 are referred to.
Patent GB-486502-A (GB)
Title: Improvements in and relating to metallic vapour discharge lamps
IPC: H01J61/54
Filed: 1936-12-01
Abstract: 486,502. Discharge lamps. FREEDMAN, P., and CROMPTON PARKINSON, Ltd. Dec. 1, 1936, No. 32994. Drawings to Specification. [Class 39 (i)] Finely divided refractory electron-emissive material is loosely supported within a lamp, in which the vapour pressure exceeds 4 atmospheres, so that it is readily dispensed in the region of the discharge during normal use. Solid or liquid electrodes may be used, and the material, e.g. thorium oxide may be incorporated within the liquid electrode or may form a loosely held layer on a solid electrode which may also have a firmly adhering undercoating of electronemitting material. A tungsten wire electrode may be wound with a wire which loosely supports thorium oxide. An auxiliary filling of argon or neon or a mixture thereof may be provided and the liquid electrode may consist of mercury or a mercury amalgam. It is stated that secondary electrons are liberated by the collision of primary electrons and particles of the material.
Patent GB-410808-A (GB)
Title: Improvements in joint fittings for the supporting poles of sun umbrellas and similar articles
IPC: A45B17/00
Filed: 1932-11-23
Abstract: 410,808. Hinged joints for umbrella &c. poles. SMITH, T. S., Charles Street Works, Charles Street, Walsall, Staffordshire. Nov. 23, 1932, No. 33058. [Class 134.] A joint fitting for the pole of a sun or other umbrella comprises two hollow plugs 1, 2 having inclined contacting faces 3 pivotally connected together and a sleeve 10 combined with the plug 1 to receive a pole part and adapted to slide over the plug 2 so as to cover the joint and hold the plugs in axial alignment. The runner of the umbrella can slide over the sleeve 10 and the plugs can be inclined relatively when the sleeve uncovers the joint. A sleeve 8 is pinned to the plug 2 and forms a socket for receiving the other pole part. The external diameters of the sleeves 8, 10 may be the same. The faces 3 may be connected by a pin and nut 4, 5 with a spring washer 7. The sleeve 10 may be formed with a bayonet slot wherein a peg on the plug 1 slides. The plug 2 may be formed with a collar 13 against which the sleeve 10 can abut. The contacting faces 3 may be serrated.
Patent GB-848905-A (GB)
Title: Improvements in or relating to alloys
Inventor: HARRIS GEOFFREY THOMAS
IPC: C22C14/00
Filed: 1955-11-19
Abstract: Titanium alloys have a composition, in per cent by weight, within the following range: .Sn over 8 and up to 15... .Al.2.-.5 .Zr.0.-.10 .Mo.0.2.-.5 .V.0.-.10 .Nb.0.-.10 .Ta.0.-.10 .Si.0.25.-.1 .Cu.0.-.4 .Cr.0.-.4 .Mn.0.-.4 .B.0.-.2 .Fe.0.-.4 .Be.0.-.2 .Ti and impurities the balance.... The alloys may also contain O 0.002-0.3 and N 0.02-0.2.  The alloys may be treated by air cooling from 900 DEG C and ageing for 24 hours at 500 DEG C
Patent GB-366567-A (GB)
Title: Improvements in and relating to taps for cutting screw-threads
IPC: B23G1/18
Filed: 1930-11-04
Abstract: 366,567. Tapping nuts. RICH, R. E., Tiffin, Ohio, U.S.A. Nov. 4, 1930, No. 33172. [Class 83 (iii).] In apparatus for tapping nuts &c. of the kind employing a curved-shank tap, the discharge end of the tapshank is bent through an angle of more than 90‹ with respect to the straight portion. The discharge end 16, Fig. 1, of the shank may extend parallel to the straight portion 11, or may be shorter so as to be directed away from the portion 11, as shown in Fig. 3, or may be longer and directed towards the portion 11. The nut-blank 1 at the end of a shoot 2 is delivered by a plunger 3, operated by a lever 6, to a sleeve 9 having a bore to fit the nuts and containing the tap. The curved shank 15 of the tap lies within a similar passage 13 in a head 14, relative rotation between the sleeve and head being produced by rotating either with the other stationary, or by rotating both in opposite directions or in the same direction at different speeds.
Patent GB-1405211-A (GB)
Title: Horseshoes
IPC: A01L5/00
Filed: 1973-07-12
Abstract: 1405211 Horseshoes R T MACGUIRECOOPER 12 July 1973 33294/73 Heading AIM A horseshoe is moulded from a polyester elastomer. The process may be injection moulding producing a finished horseshoe or a preform having substantially the shape of a horseshoe and which can be exactly formed to a desired configuration by application of a small pressure. Part of the shoe may be formed by extruding a section of material and bending to the required shape. Other processes such as powder processing, melt casting or puddle casting may be used. Up to 15% by weight of an inert filler such as slate powder or powdered silicon carbide or aluminium oxides granules or powdered metal may be added. The shoe may also comprise one or more upwardly projecting members engaging the sides of the hoof when worn by the horse. Another embodiment is reinforced with washers or a metallic strip provided with holes for the nails to pass through. The shoe may be provided with metallic bridge members to hold the tails of the shoe a fixed distance apart and other reinforcing members may be cast into the shoe to limit twisting.
Patent GB-767361-A (GB)
Title: Oxygenated steroid compounds
IPC: C12P33/00
Filed: 1954-11-17
Abstract: Multi-oxygenated steroids are prepared by subjecting a steroid, under aerobic conditions, to the action of at least two different oxygenating enzymes produced by oxygenating strains of different genera of micro-organisms, each enzyme being active in selectively oxygenating different positions of the steroid, and in which the oxygenating action of at least one of the micro-organisms takes place in the presence of at least one of the other micro-organisms. Organisms which oxygenate in only one specific position of the steroid nucleus are preferred; thus genera which produce oxygenation in the 11-position include Spondylocladium (Acrothecium), Helminthosporium, Brachysporium, Heterosporium, Napicladium, Diplococcium, Alternaria, Stemphylium, Aspergillus, Streptomyces, Penicillium, Curvularia, Rhizopus, Cunninghamella, Omphalia, Stigmina and Mucor; in the 17a -position Gliocladium and Trichoderma; in the 21-position the family Sphaeroidaceae, including Wojnowicia, Hendersonia, Ceratopycnis, Eriosporina, Prosthemium, Cryptosticites, Dilophospora, Uroconis, Phoma, Pyrenochaeta, Coniothyrium, Septoria and Phomopsis; and in the 6-position certain strains of Rhizopus. Suitable steroid starting materials are pregnanes, pregnenes, their allo isomers, androstanes, bile acids and their esters, sterols and sapogenins, particularly 4-pregnene-3,20-dione, 4-pregnene - 17a  - ol - 3,20 - dione, its 21-acetoxy derivative, desoxycorticosterone, 4-pregnene-17a ,21-diol-3,20-dione, 3-ketocholanic acid, lithocholic acid, diosgenin, 5,6-dichlorodiosgenin, 4 - pregnen - 3b  - ol - 20 - one, 5,6 - di - chloropregnan - 3b  - ol - 20 - one, 5,6 - dichloro - pregnan - 21 - ol - 3,20 - dione and 4 - pregnen - 6 - ol - 3,20 - dione.  In an example, a culture medium containing dextrose, lactalbumin digest, and corn steep liquor at pH 6.5 is sterilized and inoculated with A. niger; 4-pregnene-3,20-dione in dimethylformamide is added and after agitation for 48 hours the mixture is inoculated with Trichoderma album, and subsequently after further agitation, with Hendersonia acicola; the incubation is continued and 4-pregnene-11a ,17a , 21-triol-3,20-dione isolated by chloroform extraction and purified by paper-chromatography using benzene/formamide for development.  Oxidation with dichromate in glacial acetic acid yields 4 - pregnene - 17a ,21-diol-3,11,20-trione.  Other examples, also using 4-pregnene-3,20-dione, illustrate the use of the following combinations of micro-organisms (the order of addition is varied in some cases) the product being 11a  (or b ), 17a ,21 - trihydroxy - 4 - pregnene - 3,20 - dione: T. glaucum, W. graminis and Cunninghamella blakesleana, (11b ); Penicillium adametzi, T. lignorum and W. graminis (11a ); T. F5-1688, W. graminis and Omphalia tralucida (11b ); Hendersonia rubi, T. nigrovirens and Stigmina platani (11b ). Intermediate products, obtained after the action of two micro-organisms and characterized by paper chromatography, include 4-pregnene-11a ,17a -diol-3,20-dione and 4-pregnene-17a ,21-diol-3,20-dione.
Patent GB-1153378-A (GB)
Title: Polyvinyl Fluoride Coated Articles and method of making the same
IPC: C09D127/14
Filed: 1967-07-20
Abstract: 1,153,378. Coated metal articles. H. H. ROBERTSON CO. 20 July, 1967 [29 July, 1966], No. 33379/67. Heading B2K. [Also in Division C3] A protected metal article comprises a metal substrate and an exterior coating comprising a film of a fused composition comprising polyvinyl fluoride, pigments including titanium dioxide, carrier, and 2 to 12% by wt. of the polyvinyl fluoride of a stabilizer which in preference to titanium dioxide will react with hydrogen fluoride without discolouration and is selected from (a) oxides of alkaline earth metals or lead; (b) salts of alkaline earth metals or lead; (c) mixtures of (a) and (b); and (d) organic compounds containing unreacted groups and having an epoxy equivalent from 100 to 4000. The metal substrate may be aluminium, which may have received a chromatizing or phosphatizing pretreatment, and the stabilizer is a mixture of calcium carbonate and calcium stearate; galvanized steel, which may have been phosphatized, coated with a primer coating and the stabilizer is lead carbonate. The protected article may be made by applying e.g. by spraying, to the metal substrate a wet coating from 2 to 10 mils thick of the composition containing powdered polyvinyl fluoride, heating the coated substrate to between 475 and 525‹F for 5 to 15 minutes to achieve an essentially non-discolouring heat fusion of the composition to a uniform thickness coating, and cooling the coated substrate. Examples of preferred stabilizers are given.
Patent GB-382448-A (GB)
Title: Improvements relating to shackles
IPC: F16G15/06
Filed: 1931-12-02
Abstract: 382,448. Shackles. JENNINGS, H. W. K., 51, Chancery Lane, London.- (Martin, C. E.) Dec. 2, 1931, No. 33414. [Class 24.] The shackle pin 4 is locked in position by a resilient clip 9 which is shaped to lie along one limb of the shackle 1 and to have spring engagement with the bow. In the construction shown, the pin has a reduced part 5 and diametrically opposite lugs 6, 7 adapted to engage, by longitudinal and turning movements, with a slotted collar 10 in one eye of the shackle. The other end of the pin has a conical head 8 to engage the countersunk eye in the other limb of the shackle, and the clip is securely riveted to the pin to act as a handle. In a modified form, the pin is of uniform diameter with one or more radial lugs at the end. The eyes are both slotted correspondingly and the side of the outer eye is countersunk to accommodate the lugs.
Patent GB-486319-A (GB)
Title: Improvements in or relating to the heating, lighting and ventilation of rooms
IPC: F24H3/04
Filed: 1936-12-05
Abstract: 486,319. Unit air heater and electriclight support. HOLBECHE, E. C. Dec. 5, 1936, No. 33441. [Class 137] In a combined convection air heater and electric-light fitting, electric heating elements 18 are arranged between inner and outer casings 15, 22, a fan 17 being arranged above the elements 18 in the outer casing, and a fan motor 16 in the inner casing, semicircular lights 12 being secured to the base of the assembly. A baffle 20 arranged below casing 15 may be used to support an electric light bulb. The fan blows heated air downwards through a grille 21, and cold air past the motor 16 which is thereby kept cool. The apparatus is controlled by three switches, one for the light, one for the fan, and one for the fan and heating element. Specifications 283,844, [Class 110 (i)], and 461,911 are referred to.
Patent GB-1387760-A (GB)
Title: Method and apparatus for recording and reading binary digits
IPC: G11B20/18
Filed: 1973-07-13
Abstract: 1387760 Recording and reading binary data INTERNATIONAL BUSINESS MACHINES CORP 13 July 1973 [29 Sept 1972] 33451/73 Heading G4C Binary digits are recorded as a series of magnetic flux transitions on a magnetizable medium using phase encoding, the digits being recorded in groups, the interval between transitions between the last digit of one group and the first digit of the next group being greater than the interval between transitions of digits of a group. As described, the group interval is 1¢ times the bit interval. The recorded data is read using the apparatus of Fig. 1, in which when the first transition is detected, logic circuitry 25 sends a sync pulse to reset counter 18. A decoder 21 is controlled by the counter 18 and provides signals GCFR, GDATA and TIMEOUT. If the next transition occurs during the signal GCFR it is assumed to be a corrective flux transition. If it occurs during the signal GDATA the direction of the transition is determined to determine the bit value which is entered in register 37. A further sync pulse is then transmitted to reset counter 18 and a bit counter 28 is incremented. If no transition occurs during the signal GDATA an error signal is generated. Similarly if a transition occurs during the TIMEOUT signal or when neither of the signals GCFR, GDATA is present an error signal is generated. When the bit counter reaches a count representing the number of digits in a group (as described 7), the decoder receives a signal to appropriately alter the timing of its output signals. When an error signal is generated the counter 18 is reset to 1.
Patent GB-342721-A (GB)
Title: Improvements in or relating to kinematography
IPC: G03B41/08
Filed: 1929-11-04
Abstract: 342,721. Kinematography. JOHN, W. E., National Bank Building, Simmonds Street, Johannesburg, South Africa. Nov. 4, 1929, No. 33519. [Class 97 (i).] In apparatus for projecting a film having pictures taken with a moving band of lenses such as described in Specification 319,302, [Class 97 (i), Optical systems &c.], and to compensate for small dimensional variations in the film, the gate 3a, Fig. II, and the moving band of lenses 6a are adjustable relatively to the collecting lens 5a, in proportion to the focal length of these lenses respectively, as by means of a double threaded rod 15, and the combination as a whole is adjustable relatively to the film gate 8a, as by an adjusting rod 17. In the camera described for taking the film, the corresponding gate 3 situated between the lenses 2, 5 can be fitted with a collecting lens 4. For close-range work the gate 3 and lens 2 may be omitted and masks 9 fitted behind the moving lenses 6 to confine the rays from each lens to the proper film area.