baber/WOPTO huggingface dataset:
Patent GB-441804-A (GB)
Title: Method and device for controlling the steering of an aircraft in a predetermined direction
IPC: G01S1/02
Filed: 1935-03-14
Abstract: 441,804. Directive wireless signalling. SIEMENS APPARATE UND MASCHINEN GES., 4, Askanischer Platz, Berlin. March 14, 1935, No. 7948. Convention date, March 17, 1934. [Class 40 (v)] An aircraft F is steered towards an aerodrome P on a desired path L by means of two or more direction finding operations performed thereon with respect to the point to be headed for and another point and effected by quantitatively working indicating instruments. As shown, two transmitters A, B are provided working at different frequencies, lying on a line which is the landing direction and co-operating with receivers a, b, respectively associated with an indicator z. The indicator z is arranged so that if acted upon by the receiver b alone it would point to the station B, but is deflected by the signals from the receiver a to indicate a direction which when followed causes the craft to travel along the path L. Suitable circuits for the transmitters and receiving circuits utilizing one or two aerials and receivers are described, Figs. 2, 3 and 4 (not shown). A marking beam may be provided parallel with the aerodrome boundary through the point A and arranged to reverse the effect of the transmitter A on the indicator z when the craft passes over the beam and a circuit for this purpose is also described, Fig. 5 (not shown). The invention may also be applied to known automatic steering devices. The Specification as open to inspection under Sect. 91 describes also one of said automatic steering devices. This subject-matter does not appear in the Specification as accepted.
Patent GB-981514-A (GB)
Title: Improvements in automatic regulating devices
IPC: H05B7/109
Filed: 1963-02-28
Abstract: 981,514. Automanc control. ALLMANNA SVENSKA ELEKTRISKA A.B. Feb. 28,1963 [March 2,1962(2)], No. 8016/63. Heading G3R. An automatic control system, for an electrode furnace includes an integrating amplifier 12 which is connected to the actuating device 17 through a cyclically operated switch R1. The connected time is a small portion, e.g. 10%, of each cycle and the arrangement provides fast regulation but insensitivity to transients. As shown, the position of electrodes 18 is controlled in response to current or impedance signals e I , the difference between them and a reference being passed through a limiter 11 to the integrator 12; 13 is a relay and 16a feedback loop. The switch R1 is time controlled by cam disc or other means and, where the furnace has three electrodes, switches the integrating circuit to each in turn for the predetermined short period.
Patent GB-398553-A (GB)
Title: Improvements in and relating to internal combustion and other engines and to pumps of the swash-plate or the wobbler type
IPC: F16H23/08
Filed: 1932-03-18
Abstract: 398,553. Swash-plate mechanism. REDRUP, C. B., Cranford, Cransley Crescent, Henleaze, Bristol. March 18, 1932, No. 8164. [Class 80 (iii).] The swash member 22 of an internal-combustion or other engine is constrained to move so that all points thereon on a plane transverse to the axis of the inclined crank pin 21 and passing through the intersection of the inclined axis and the engine shaft axis trace similar paths of lemniscate form. In one arrangement, Fig. 2, the tail-piece 27 of the anchor member 3 for the swash member 22 is mounted by means of a spherical bearing 29 in an eccentric strap 2 operated by an eccentric 5. The eccentric 5 is driven, either by spur-gearing or by chain and sprocket, so as to impart two complete oscillations to the anchor member 3 during each revolution of the crank shaft 7. The angular extent of the oscillation of anchor member may be 10À34 per cent of the crank angle. In another construction, Fig. 4 (not shown), the swash member carries rollers engaging cam plates. Specification 327,161, [Class 80 (iii), Linkwork &c.], is referred to in the Provisional Specification.
Patent GB-725005-A (GB)
Title: Improvements in or relating to ejectors for compressing gases
IPC: F04F5/16
Filed: 1953-03-25
Abstract: 725,005. Injectors. HOLMBERG, T. F. March 25, 1953, No. 8275/53. Class 71. In compressing gases &c. by driving them through a venturi tube by means of combustion gases obtained from a combustion chamber at the inlet to the venturi, both the fuel and the air &c. to burn it are preheated and precompressed so that the combustion takes place at as high a temperature as possible before the gases are led from the combustion chamber 2 through a nozzle 3 into the gases &c. to be .compressed in the venturi tube 5, 6. The fuel may be a gas or powdered coal and the combustion chamber have heat insulating walls.
Patent GB-1087505-A (GB)
Title: Production of 4-amino-5-cyano-pyrimidines
Filed: 1966-02-24
Abstract: 4 - Amino - 5 - cyanopyrimidines of the formula <FORM:1087505/C2/1> wherein R is hydrogen or a C1- 3 alkyl, aralkyl, mercapto, C1- 3 alkylmercapto, amino or hydroxy group, are prepared by reacting a 1,1-dicyano - 2 - dialkylamino - ethylene of the formula <FORM:1087505/C2/2> wherein R1 and R2 are each C1- 3 alkyl radicals, with an amidine of the formula <FORM:1087505/C2/3> The process may be conducted at room or higher temperatures in an inert solvent and in the presence of a base.  Specified amidines include urea, thiourea, ethyl isothiourea, formamidine, acetamidine and guanidine.
Patent GB-822558-A (GB)
Title: Improvements relating to cathode ray tubes
IPC: H01J29/18
Filed: 1956-03-16
Abstract: 822,558. Cathode ray tubes. GENERAL ELECTRIC CO. March 16, 1956 [March 16, 1955], No. 8326/56. Drawings to Specification. Class 39(1). The scale or grid of a cathode ray oscilloscope is deposited directly, preferably by photoetching, on the internal surface of the transparent tube end and the luminescent screen is deposited on top of the grid. The grid may also be luminescent and provided with means for exciting it without exciting the main screen. Specification 695,335 is referred to.
Patent GB-550490-A (GB)
Title: Manufacture of aqueous solutions of peracids and their salts
IPC: C07C409/26
Filed: 1941-07-04
Abstract: 550,490. Organic peracids. DU PONT DE NEMOURS & CO., E. 1., REICHERT, J. S., McNEIGHT, S. A., and ELSTON, A. A. July 4,1941, No. 8459. [Classes 2 (iii) and 15 (ii)] Aqueous solutions of organic peracids or their salts are obtained by reaction of an organic acid anhydride with an inorganic compound yielding active oxygen in an aqueous solution of not more than 3 - vol. strength and having a pH of at least 10.0. Specified anhydrides are those of acetic, succinic, glycollic, maleic, benzoic, phthalic, cyclohexanecarboxylic, benzenesulphonic, nicotinic, quinolinic and α- furoic acids and specified compounds yielding active oxygen are hydrogen peroxide, sodium peroxide and alkali metal perborates, perphosphates, percarbonates and persulphates. The required alkalinity of the solution may be obtained by addition of caustic soda, tetrasodium pyrophosphate, trisodium phosphate, borax, sodium silicate or soap. Examples relate to the reaction of sodium peroxide with phthalic and acetic anhydrides and of sodium perborate with succinic, maleic and glutaric anhydrides. Specification 549,015 is referred to.
Patent GB-459009-A (GB)
Title: Improvements in fabric feeding mechanism for sewing machines
IPC: D05B27/14
Filed: 1936-03-21
Abstract: 459,009. Sewing machines. UNION SPECIAL MACHINE CO., 400, North Franklin Street, Chicago, U.S.A.-(Assignees of Christensen, N. V., Rubel, C. F., and Smith, C. C. ; 400, North Franklin Street, Chicago, and Le Vesconte, H. J. ; Western Springs, Illinois, both in U.S.A.) March 21, 1936, No. 8488. Convention date, June 5, 1935. [Class 112] A fabric - feeding device consists . of an endless belt, resiliently held in contact with the upper surface of the work, moving over a pair of wheels or pulleys to engage and progress the fabric past the sewing point. In the form shown, the belt comprises a broad flexible chain device 1 feeding the work past a triple needle sewing device. The chain 1 comprises stamped metal links with serrated edges to grip the surface of the fabric, Fig. 9. The intermediate links 1a are shaped to mesh with the teeth of the spaced idler and driving sprockets 5, 4. The driving sprocket 4 is mounted on a spindle 8 which is rotated by the bevel gears 42, 43. The gear 43 is carried by a telescopic shaft 44 connected to a shaft 47 intermittently rotated by a link 50 adjustably secured to the link 51, for varying the feed stroke. The link 51 is operated by the eccentric 53. Slackness of the feed chain is taken up by turning the axis pin 6 of the sprocket 5 which has an eccentric boss. The presser 10 is carried by a pair of links 9d pivoted on the shaft 8 of the driving sprocket. A pair of links 14a connect the links 9d to the shank 14 of the presser bar 15. So that when the presser is lifted by usual means the feed belt is also lifted. The presser spring forces the sprocket 4 towards the work. Spring pressed rods 30, 33 force sprocket 5 towards the work.
Patent GB-548766-A (GB)
Title: Internal combustion engine exhaust heated de-icing means applicable to aircraft
IPC: B64D15/02
Filed: 1941-07-09
Abstract: 548,766. De-icing aircraft. JAMESON, R. W. July 9, 1941, No. 8635. Addition to 536,343. [Class 4] A flow and return system for de-icing aircraft as described in the parent Specification has means for closing the outlets from and inlets to the heating chamber so as to isolate the heated air in the circulating system whenever the exhaust cooling air inlets are open, and conversely for opening the outlets and inlets of the circulating system when the cooling air inlets are closed. The action may be manual or under the automatic control of a thermostat. Fig. 3 shows diagrammatically an automatic system in which inlet and outlet passages 1, 2 for the cooling air are controlled by slide valve 7, 8 and the outlet and inlet passages 3, 4 for the circulating air are controlled by slide valves 16, 17. The valves 7, 8 are closed by solenoids 9, 10 in an electric circuit 13 and the valves 16, 17 by solenoids 14, 15 in the same circuit, the valves being returned to initial position by the springs shown. A circulating fan 20 is driven by a motor 20a when the circuit 13 in closed. A thermostat 21 in the circulating pipes closes the circuit 13 when the temperature of the heated air falls below the required level and re-opens the circuit when the temperature has been raised sufficiently. A manual control switch 22 is provided in the circuit 13. A modification is described in which the valves for the cooling air are controlled hydraulically, the control valve for the pressure fluid being coupled to butterfly valves in the heated air circuit. Heated air from other sources such as a radiator may be used and the cooling air for the radiator controlled in conjunction with air passages from the radiator chamber to the heated air distribution system so that when heated air is being taken from the radiator chamber the cooling air openings will be shut, and conversely. The necessary valves would be worked in conjunction with those already described.
Patent GB-368535-A (GB)
Title: Improvements in or relating to taps or cocks
IPC: F16K27/02
Filed: 1931-03-21
Abstract: 368,535. Domestic &c. taps or cocks. EVERED & CO., Ltd. and WILSON, E. A., Surrey Works, Smethwick, Staffordshire. March 21, 1931, No. 8753. [Class 135.] Materials, special; protecting covers.-A domestic &c. tap or cock has its exposed parts coated with, or enclosed or encased in Bakelite (registered Trade Mark) or other similar plastic or mouldable synthetic resinous material. In the arrangement shown the casing body 3 and spout 3a are encased in Bakelite &c. 5 by a moulding operation, and the stuffing-box 6, 8 is enclosed by a Bakelite &c. dome cap 9 screwed to the stuffing-box fitting 6a. A Bakelite &c. handle 10 is provided with a depending sleeve 10a which enters the upper end of the cap 9, as shown, and covers the spindle 7 to which it is secured by a grub screw 11.
Patent GB-754249-A (GB)
Title: Improvements relating to high frequency electric discharge devices
IPC: H01J21/36
Filed: 1954-03-26
Abstract: 754,249. Thermionic valves. GENERAL ELECTRIC CO. March 26, 1954 [March 27, 1953], No. 8953/54. Class 39 (1). In a valve in which the grid planes lie horizontally within the envelope, screening members 22, 23, each consisting of a horizontal portion 24 connected to the side rods at each end of the grid and a vertical portion 25, are supported by a plurality of leads 3, 6, 8, 9, 10; the cathode and heater leads 4, 5, 10 are positioned between pairs of leads 5, 6 and 8, 11 respectively connected to the same screen, while anode lead 7 is positioned between leads 6, 8 connected to different screens, whereby improved screening between the input and output circuits is obtained in the grounded-grid connection. The electrodes are mounted in vertical spacers at each end (not shown).
Patent GB-526598-A (GB)
Title: Improvements in plate clutches
IPC: F16D13/68
Filed: 1939-03-22
Abstract: 526,598. Clutches. SMALL & PARKES, Ltd., and KAY. A. March 22, 1939, No. 9019. [Class 80 (ii)] In a single plate friction clutch, the clutch plate A drives the hub C through a ring of hard material E with helical teeth engaging with teeth on the hub. The axial movement of the disc under torque in the forward and backward direction is taken up by rubber discs D<1>, D<2>, clamped between a web C a plate A<1> and the disc. Inclined pins may be substituted for the helical teeth.
Patent GB-1032944-A (GB)
Title: Blends of paraffin wax and polybutene-1
IPC: C08K5/526
Filed: 1964-03-03
Abstract: A composition comprises 5 to 95% by weight of a paraffin wax and correspondingly 95 to 5% by weight of a polybutene-1 having a molecular weight of from 10,000 to 2,000,000 and an isotactic content of at least 50%.ALSO:A composition comprises 5 to 95% by weight of a paraffin wax and correspondingly 95 to 5% by weight of a polybutene-1 having a molecular weight of from 10,000 to 2,000,000 and an isotactic content of at least 50%.  The polybutene may be made by direct polymerization or by degradation.ALSO:Foil, parchment, kraft, glassine, chipboard, or other paper materials can be coated with a composition comprising 5 to 95% by weight of a paraffin wax and 95 to 5% by weight of a polybutene -1 having a molecular weight of from 10,000 to 2,000,000 and an isotactic content of at least 50%.  The compositions may be applied by curtain coating or roll coating.
Patent GB-981063-A (GB)
Title: Esters of polyols and organic acids and their preparation
IPC: C07C69/30
Filed: 1961-03-13
Abstract: A mixture of trimethylol ethane esters is prepared by reacting trimethylol ethane with a mixture of at least two n-alkanoic acids or their corresponding n-acyl halides containing 4 to 10 carbon atoms, the mixture containing at least 4 mol. per cent of each of the acids or the halides and 4 to 6 mol. per cent of n-capric acid or n-capryl halide and separating the ester mixture. For the reaction, an acid catalyst, e.g. sulphuric, hydrochloric, phosphoric, acetic or benzene sulphonic acid and a solvent, e.g. nonane, decane, benzene, toluene, xylene or dioxane may be used. Specified alkanoic acids are butyric, valeric, caproic, enanthic, caprylic, palargonic and capric, the acids with an even number of carbon atoms being preferred.  The ester mixture is separated from the reaction mixture by fractional distillation or chromatography.ALSO:Triester mixtures prepared by reacting trimethylol ethane with a mixture of at least two nalkanoic acids or their corresponding n-acyl halides containing 4 to 10 carbon atoms, the mixture containing at least 4 mol. % of each of the acids or the halides and 4 to 6 mol. % of n-capric acid or n-capryl halide are used as lubricants or greases.  The lubricants may be stabilized with 5-ethyl-10,10-diphenyl-phenazasiline, diarylamines, thiodiarylamines such as phenylthio - alpha - (methylnaphthyl)-amine, aminophenols such as N-n-valeryl-4-amino - 3 - pentadecylphenol, dialkyl selenides and tellurides such as dilauryl diselenide and dilauryl selenoxide, calcium petroleum sulphonates and indium carboxylates such as indium, p-octyl benzoate.  The greases may contain sodium, lithium, calcium or aluminium soaps, silica aerogels, silica, clays, ammonium clays, indanthrene dyes, indogens, graphite and clays coated with phenol-formaldehyde resins.
Patent GB-875007-A (GB)
Title: Hydrazinium salts
Inventor: RUDNER BERNARD
IPC: C07D295/30
Filed: 1959-03-16
Abstract: The invention comprises compounds of the formula <FORM:0875007/IV (b)/1> (wherein Ar is benzene, pyridine, naphthalene or quinoline; X and Y are affixed to the same ring of Ar and represent hydrogen or chlorine atoms or cyclohexoxy, hydroxy, lower alkoxy, amino, phenyl or lower alkylamino groups; Z is an oxygen atom or an NH group; B is a -CnH2n-, -CnH(2n-1) OH- or -CnH(2n-1) NRR1-group; R is an Ar-CO-Z-CnH2n-group or a lower alkyl radical which may be substituted by one or more OH groups and R1 is a lower alkyl radical which may be substituted by one or more OH groups, or R and R1, together with the adjacent nitrogen atom, form a morpholine, piperidine or pyrrolidine ring which may be substituted by a methyl group; n is an integer from 2 to 6; A is an anion; and the lower alkyl and lower alkoxy groups contain from 1 to 4 carbon atoms) and their preparation, where for example B is a -CnH2ngroup, either by reacting an amino-alcohol or diamine of the formula HZCnH2nNRR1 with chloramine and reacting the product of the formula [HZCnH2nNRR1 NH2]+Clwith the appropriate aryl acid chloride or by reacting chloramine with the appropriate amino-ester or amino-amide, with subsequent replacement, if desired, of the chloride ion in the products by another anion A- by reaction with the compound MA, where M is hydrogen or a metal.  Examples are given and an extensive list of anions is provided.  These include anions derived from mineral and other inorganic acids, common mono-basic and di-basic organic acids, choline, cation exchange resins, penicillins, aureomycin, tetracycline, amphomycin, sulphanilamide and other sulphonamides, barbiturates, folic acid, cinchophen and 8-hydroxyquinoline.  A further list of suitable amino-ester and amino-amide starting materials is also provided. N-(3-morpholinopropyl)-p-anisamide is prepared from 4-(3-aminopropyl)-morpholine and p - anisoyl chloride.  U.S.A. Specifications 2,220,929 and 2,710,248 are referred to.ALSO:Pharmaceutical compositions contain, as essential active ingredients, compounds of the formula <FORM:0875007/VI/1> (wherein Ar is benzene, pyridine, naphthalene or quinoline; X and Y are affixed to the same ring of Ar and represent hydrogen or chlorine atoms or cyclohexoxy, hydroxy, lower alkoxy, amino, phenyl or lower alkylamino groups; Z is an oxygen atom or an NH group; B is a -CnH2n-, -CnH(2n - 1)OH- or -CnH(2n - 1) NRR1- group; R is an Ar-CO-Z-CnH2n-group or a lower alkyl radical which may be substituted by one or more OH groups and R1 is a lower alkyl radical which may be substituted by one or more OH groups, or R and R1, together with the adjacent nitrogen atom, form a morpholine, piperidine or pyrrolidine ring which may be substituted by a methyl group; n is an integer from 2 to 6; A is an anion, and the lower alkyl and lower alkoxy groups contain from 1 to 4 carbon atoms.  An aqueous solution of 1,1-dimethyl - 1 - (2 - benzoyloxy - 2 - methyl) butylhydrazinium chloride is described. U.S.A. Specifications 2,220,929 and 2,710,248 are referred to.
Patent GB-526614-A (GB)
Title: Improvements relating to electrical switchgear
IPC: H02B11/24
Filed: 1939-03-22
Abstract: 526,614. Switchgear structures. WHITEHEAD, G. E., and WHITEHEAD SWITCHGEAR & INVENTIONS, Ltd. March 22, 1939, No. 9078. [Class 38 (v)] Terminals 1, 3 appertaining, for example, to busbars 2 and cable 4, are adapted to be connected to the conductors 5, 7 of the main switch by bridging elements 16, which are mounted on a plate 17 that is movable to the dotted position for isolation, in which position both contacts 19 of each element 16 engage the plug-like end of each conductor 5 or 7. In this position the plate 17 covers the aperture in the compartment 12. The contacts 18 are themselves of the character described in Specification 409,085. The plate 17 is moved by a pair of handles 2C and rods 21 and carries a plate 22 provided with a double-ended keyhole slot, the two ends of which allow the operating rod 10 to move up and down to operate the breaker. When the latter is " off," a groove 24 in rod 10 allows the plate 22 to be moved for isolation purposes. In the isolating position, a cut-away part of each of the rods 21 allows an associated locking shaft 25 to be rotated through 90 degrees by the handle 30 and shaft 31, whereby a crosspin 27 in each shaft 25 registers with a slit in a bracket 26 on the cover 18, so allowing removal of the latter together with the handles 30. In this position, the cut-away parts 37 of shafts 25 move away from the cut-away parts of the rods 21, so preventing the latter being moved back to operative position.' In the " free position of shafts 25, a further crosspin 29 registers with a slot in a bracket 28 so allowing removal of the tank 14, whereupon a spring 34 depresses a sleeve 33 so that a slot 35 engages the pin 29 to lock the shaft 25.
Patent GB-1303705-A (GB)
IPC: B29C43/00
Filed: 1970-02-25
Abstract: 1303705 Films KRAUSS-MAFFEI AG 25 Feb 1970 [13 March 1969] 9097/70 Heading B5B [Also in Division B1] A viscous film is produced from a plasticizable composition by passing the composition once through a succession of gaps 8-13, Fig. 1, between the surface of a radially non-displaceable roller 1 and stationary heated surfaces 2-7 extending along the full length of the roller. The clearance 19 between each surface 2-7 and the roller surface is adjustable by a nut and screw 17, 18, the clearance of the final gap determining the film thickness. Conduits 21 carry a heating medium or wires. The composition, which may be P.V.C., is charged in the direction of the arrow 22 and is drawn off as a film at 24 or round a co-operating embossing roller 26, at 25. In a modification, Fig. 7, the surfaces 2-7 are replaced by a single member, such as 80, having gaps defined by grooves 31-34. The grooves may differ in depth. The member 80 may be adjusted relative to the roll by screws 83, 84, 85 and may be pivoted away from the roller for cleaning &c. by a worm and gear 87, 88. Means are provided, Figs. 4, 5 (not shown) for adjusting the clearance of the final gap. Additional grooved members may be provided symmetrically around the periphery of the roller, Fig. 6 (not shown). Dimensions are disclosed for alternative shapes of groove, Fig. 3 (not shown).