baber/WOPTO huggingface dataset:
Patent GB-476816-A (GB)
Title: Improvements in or relating to apparatus for training aircraft pilots
IPC: G09B9/26
Filed: 1936-06-19
Abstract: 476,816. Directive wireless signalling. LINK, jun., E. A. June 19, 1936, No. 17069. [Class 40 (v)] [Also in Group XXXIII] Apparatus for instruction and training in flying by wireless directions comprises a manoeuvrable dummy or model aircraft controllable by the student and means for generating and transmitting to the student signals simulating directional " overlapping beam " signals radiated to aircraft in actual flight. The signals are transmitted by means of a circuit comprising an electromagnet 23 which is energized by a battery 21 on closure of a circuit by a rotary contact member 17 provided, as shown, with relatively long and short contact pieces. The battery 21 energizes the primary 34 of a microphone buzzer 34a. A secondary coil 35 co-operates with the coil 34 and includes in its circuit one or other of coils 36, 37 according to the position of a member having contacts 29, 30 carried on resilient arms 27, 28 and which is controlled against the action of a spring 26 by energization of the magnet 23. The contacts are arranged so that during movement of the arm 24 carrying the contacts, the circuit remains closed through the coil 36 until the circuit is closed through the coil 37 and vice versa. The contacts on the wheel 17 are arranged so that, on clockwise rotation of the wheel, primary 37 gives a dash-dot signal and the primary 36 a dot-dash signal. Thus, a dash-dot or dot-dash signal is induced, according to its position, in a secondary 38. If the secondary 38 is adjusted to a mean position a continuous hum is transmitted. The signal current in the coil 38 passes through an amplifier 39 to either or both earphones and a visual indicator 4a. In order that an appropriate station signal may be superimposed, a contact disc 42 is mounted on the shaft 16 and disposed so that the contacts 43 of the disc 42 pass a brush 44 at the same time as a dash is induced in the primary 36 or the primary 37. In order that the wheel 42 may be periodically effective it is adapted to be short-circuited by a contact wheel 46 driven from the motor driving the shaft 16. A microphone 52b is provided whereby the instructor may talk to the pupil.
Patent GB-1179482-A (GB)
Title: Process for Fermenting and Aging a Malt Beverage
Inventor: KOZULIS JOSEPH ALBERT
IPC: C12H1/00
Filed: 1967-04-13
Abstract: 1,179,482. Fermenting and aging malt beverages. JOS. SCHLITZ BREWING CO. April 13, 1967 [April 18, 1966], No.17072/67. Heading C6E. In a process of fermenting and aging a malt beverage, fermentable yeast-containing wort is continuously agitated, as by circulation through a heat exchanger, at a first temperature between 45 and 70‹ F. until the specific gravity of the fermented wort decreases to a predetermined value 5 degrees plato to produce a beer and the beer is aged, for a period of from one to five days, by continuously agitating or circulating it at a temperature at least 4‹F. above the first temperature, preferably in the range 50‹ to 75‹ F., until the product has satisfactory organoleptic qualities viz. predetermined values of acetaldehyde content and diacetyl content below 5 ppm and 0À2 ppm res-  pectively. Alternatively, when the diacetyl content has decreased to a value below 0À5 ppm, the temperature may be taken to between 32 and 55‹ F. until  the acetaldehyde content reaches the predetermined value below 5 ppm. The aged beer is cooled to between 29‹ and 32‹ F. for the yeast and haze components to be separated by centrifuging. A substantial proportion of the yeast may be removed before the aging. The process may be carried out under automatic control with the aid of monitoring instruments.
Patent GB-402168-A (GB)
Title: Improvements in and relating to magneto-electric machines
IPC: H02K21/28
Filed: 1932-06-16
Abstract: 402,168. Arrangement of magnetos. BRADFORD, W., c/o Wico Electric Co., Chase Estate, Park Royal Road, London. June 16, 1932, No. 17095. [Class 7 (iv).] An ignition magneto is situated between the crank case of the engine and the flywheel the latter being detachably secured to the rotor 10 by bolts &c., so that it can be removed without disturbing the magnetic flux. The flywheel 14, is of cupped form to provide a protective covering to the magneto.
Patent GB-1425721-A (GB)
Title: Process for depositing noble metal catalysts
IPC: B01D53/86
Filed: 1973-04-10
Abstract: 1425721 I.C. engine exhaust catalyst CORNING GLASS WORKS 10 April 1973 [12 April 1972] 17134/73 Heading B1E [Also in Division C7] A noble metal (i.e. Pt, Pd, Rh, Ru, or Ir) I.C. engine exhaust catalyst is deposited on a support by contacting said support with an aqueous alkaline solution containing complex noble metal-ammine cations, said support material comprising a 3- or higher-valent refractory oxide, and said alkaline solution having a pH at least sufficient to permit absorption of said cations on said oxide, depositing said cations on said support, and thereafter decomposing the deposited complex noble-metal-ammine cations to the corresponding noble metal. The support may be partially hydrated La 2 O 3 , Al 2 O 3 , Cr 2 O 3 , TiO 2 , MnO 2 , SiO 2 , ThO 2  or Mn 3 O 4 ; an anhydrous oxide may be hydrated or a hydrated oxide further hydrated, by treatment with a concentrated NH 4 + solution; the support may be monolithic on in the form of a coating on a substrate. Typically a support is immersed in a solution of pH 10-11.5 up to 24 hours, rinsed and dried, e.g. at 80C, heated in vacuo at 300C to remove water of hydration, and the cation reduced to metal at 300C e.g. in 90 vol % N 2 /10 vol % H 2 .
Patent GB-874704-A (GB)
Title: Artificial christmas tree
IPC: A47G33/06
Filed: 1960-05-16
Abstract: 874,704. Artificial Christmas trees. HIRSCHMANN, G. May 16, 1960 [May 14, 1959], No. 17198/60. Class 63 The trunk of an artificial Christmas tree is made in tubular sections a <SP>1</SP>, a<SP>2</SP>, a &c., each corresponding in length to the interval between two series of branches b, the wire or plastic stems of the branches being secured between engaging portions of one section with another. As shown the ends of the branch stems pass through inclined holes in the sections and are secured by plugs d connecting one section with another. Radial grooves in the upper end faces of the sections may replace the holes for insertion of the stems. In another embodiment the tubular trunk sections are inserted directly one in the other, the upper portion of each section being formed with a widened neck k Fig. 4 (not shown) and the branch stems being clamped between the terminal portions h and the neck k.
Patent GB-763286-A (GB)
Title: Improvements in or relating to optical systems
IPC: G02B13/08
Filed: 1954-06-14
Abstract: 763,286. Optical systems. BELL & HOWELL CO. June 14. 1954 [Oct. 7, 1953], No. 17393/54. Class 97(1) An anamorphosing optical system comprises a pair of chromatically corrected negative and positive cylindrical lens components of relatively short and long focal lengths, respectively, spaced apart, at normal adjustment, by a distance equal to the difference between their focal lengths, the negative component consisting of two closely spaced, preferably identical, chromatically corrected negative doublets 1, 2, consisting of planocylindrical elements L<SP>1</SP> and L<SP>3</SP> having relatively weak convex exterior surfaces and L<SP>2</SP> and L<SP>4</SP> having relatively strong concave exterior surfaces. The radii of curvature of the concave surfaces are between 0.3 and 0.5 of the radii of the convex surfaces and they are between 0.6 and 0.9 of the radius of curvature of a convex surface of a positive doublet 3. The axial separation of the components is 1.2 to 1.5 times the radius of curvature of the said convex surface of the positive lens component. Preferably the positive component is a doublet 3 of planocylindrical elements L<SP>5</SP> and L<SP>6</SP> having weak concave and strong convex exterior surfaces, respectively. The plane interfaces of all the elements are preferably cemented together. When the system is used in front of, for example, a kinematographic camera it must be adjusted for different object distances, preferably, by moving the negative component relative to the camera. The positive component is placed nearer to, and the negative component further from, the camera lens.
Patent GB-530032-A (GB)
Title: Improvements in control systems for electron microscopes
IPC: H01J37/24
Filed: 1939-06-14
Abstract: 530,032. Control systems for space discharge apparatus. FIDES GES. FUR DIE VERWALTUNG UND VERWERTUNG VON GEWERBLICHEN SCHUTZRECHTEN. June 14, 1939, No. 17443. Convention date, June 14, 1938 [Class 38 (iv)] Switching control.-To prevent the destruction of foils supporting an object in an electron microscope the condenser (focussing) coil is not energized until full operating voltage is on the electron beam. A drum controller 13 closes in sequence the circuits of the following: (1) An illuminating lamp 26, (2) a vacuum tester 10, (3) a coil 30 actuating a switch 7 for cathode heating and for the Wehnelt cylinders, (4) a motor 11 actuating an earthing rod 12 which in its lowest position permits the closure of the primary circuit of the transformer 8, (5) the primary circuit of the transformer 8, (6) the condenser coil 3. These operations are followed by the 'opening of the circuit of the lamp 26. To de-energize the microscope the controller is operated in the reverse sense.
Patent GB-146222-A (GB)
Title: Manufacture of an improved cleaning agent
IPC: C11D7/06
Filed: 1920-06-26
Abstract: A cleaning compound depending for its action on the production of aluminium hydroxide in gel form on addition of water, consists of a non-gyroscopic but water-soluble salt of aluminium mixed with a soluble or insoluble carbonate, bicarbonate, or percarbonate. A mixture of aluminium sulphate, anhydrous or hydrated, with sodium carbonate or magnesium carbonate is described.  A bleaching agent such as sodium peroxide may be added.ALSO:A mixture yielding aluminium hydroxide in gel form on addition of water, consists of a non-hygroscopic but water-soluble salt of aluminium mixed with a soluble or insoluble carbonate, bicarbonate, or percarbonate.  A mixture of aluminium sulphate, anhydrous or hydrated, with sodium carbonate or magnesium carbonate is described.  A bleaching agent such as sodium peroxide may be added.
Patent GB-306775-A (GB)
Title: Improvements in anchoring device for framed pictures and the like
IPC: A47G1/16
Filed: 1928-06-16
Abstract: 306,775. Jackson, L. Mellersh-, (Stransky Products Corporation). June 16, 1928. Pictures, hanging on walls.-To keep pictures away from walls and to hold them steady caps 21 with stamped up &c. barbs 24 to drive in the wall grip by means of a resilient skirt 22 or resilient flanges the heads of push pins or like 16 fixed in the picture frames.
Patent GB-848287-A (GB)
Title: Purification of pseudo-ionone
Inventor: WILKINSON PETER ALFRED
IPC: C07C45/85
Filed: 1958-06-02
Abstract: Psuedo-ionone is purified by reacting the impure compound with an alkali metal or ammonium bisulphite, the molar ratio of bisulphite to pseudo-ionone being less than 2 but sufficient to convert a substantial proportion of the pseudo-ionone into a monosulphonic acid derivative, separating the impurities, and then decomposing the monosulphonic acid derivative to liberate the purified pseudo-ionone. The preferred molar ratio of bisulphite to pseudo-ionone is 1,5.  The bisulphite probably reacts at the a :b  unsaturated bond of the pseudo-ionone with the formation of a b -sulphonic acid salt.  In an example, lemongrass oil, containing 74% citral, is heated with acetone in the presence of finely-divided barium hydroxide.  After removal of baryta with ammonium chloride, the excess acetone is evaporated from the reaction-product.  The crude pseudo-ionone is then heated under reflux with a solution of sodium metabisulphite in aqueous industrial methylated spirit.  The spirit is distilled off; and the cooled mixture is extracted with isopropyl ether to remove non-ketonic impurities.  The aqueous bisulphite complex is decomposed with sodium hydroxide; and the purified pseudo-ionone is extracted from the mixture by means of isopropyl ether.  After evaporation of the ether; the pseudo-ionone is finally distilled at 1 m.m. pressure.
Patent GB-545819-A (GB)
Title: Improvements in or relating to windows, doors and like structures
IPC: E06B1/24
Filed: 1940-12-12
Abstract: 545,819. Moulding doors, windows, &c. LENSCRETE, Ltd., HARRIS, H. C. F., and GOUGH, W. F. Dec. 12, 1940, No. 17619. [Class 87 (ii)] [Also in Group X] Relates to windows, doors and like structures of the kind comprising an open frame member and a relatively movable member for closing the opening in the frame. According to the invention, one of the members is preformed and is used as a part of the mould in which the other member is moulded, whereby the contour of the first member is imparted in reverse to the second member, and a good fit is obtained. Thus, in Fig. 1, the sash frame 11 is moulded of concrete in a mould comprising a preformed window frame 10 and a mould member 15. Fig. 5 shows a mould in which first the window frame is cast between a mould wall 35 and a partition 40, then the partition is removed, and finally the sash frame is cast between the cast frame and the mould wall 34. To prevent adhesion between the frame member and the movable member, the preformed member may be coated with oil or lined with, e.g. metal foil, which may cling to the moulded material and form a metal casing thereon. Thus, a concrete door may be cast having a bronze or copper surface. Removable core members 26, 29, form grooves in the sash frame 11, and a groove 27 in the window frame 10, which would produce an unwanted bead in the sash frame, is filled with clay. The edges of the frames are inclined, or, as shown, stepped, to allow turning around a central pivot 20 in one direction only. The pivots are embedded in the frames during casting. At the pivot the stepped formations 22 are transferred from one side of the window frame to the other, and where they are transferred the steps are chamfered off, as at 25. According to the Provisional Specification, the invention may be applied to fanlights, shutters and manholes, and the preformed member may be of different material from that of the other member.
Patent GB-1215986-A (GB)
Title: Method of making thermal carbon black
Inventor: CRAMPTON LESLIE THOMAS
IPC: C09C1/54
Filed: 1968-04-11
Abstract: 1,215,986. Thermal carbon black. JONES GAS PROCESS CO. L t d. 9 April, 1969 [11 April, 1968], No. 17647/68. Heading C1A. Thermal carbon black is prepared by pyrolysing a highly aromatic (defined) liquid hydrocarbon feedstock, e.g. in a gas generator 2, in order to generate a mixture of carbon black and gas, dry separating a major proportion of the carbon black from the mixture by means, such as a gravity settling chamber 4, including at least one cyclone 6, washing the residual carbon black from the gas stream by means such as a wash box 16, spray towers 18 and dynamic scrubber 20, and mixing this washed residual carbon black downstream of the cyclone with the major proportion previously separated by e.g. incorporating the washed black in a slurry in wash box 16 and passing this slurry via surge tank 22, separating and concentrating equipment 26, spray drier 34 and air filter 36 to conveyer 14, in order to obtain a mixed thermal carbon black product.
Patent GB-1387723-A (GB)
Title: Device for measuring the local dependence of the recombination  time of the radiating surface in a semiconductor radiation  source
IPC: G01R31/265
Filed: 1972-04-17
Abstract: 1387723 Photo-electric investigation of semiconductor radiation source CARL ZEISS JENA VEB 17 April 1972 17656/72 Heading G1A Investigation of a semi-conductor radiation source to determine the local dependence of the recombination time of the radiating surface is carried out by exciting the source periodically, to cause it to emit radiation which is detected and compared in phase with a reference signal derived from the excitation means. In the arrangement of Fig. 1, in order to monitor changes in source characteristics with temperature, the source under test is contained in cryostat 1. Radiation emitted from part of area 3 of a surface of the source is focused on to the aperture of a diaphragm 7 as a magnified image. The source is supplied by carrier injection from device 12, the pulse amplitude being modulated at a higher frequency by device 14. The detector output, measured by ammeter 18, is mixed at 9 with a signal from super-heterodyne oscillator 10 (derived via mixer 13 from source 12) to convert it to a lower frequency signal which is then compared in phase meter 11 with the reference signal from 13. A voltmeter 21 provides a measure of the intensity of the detected radiation. The optical system is displaceable in two mutually perpendicular directions so that the whole of emitting surface 3 of the source may be scanned. Alternatively the source or diaphragm are moved relative to the detector. In the arrangement of Fig. 2 (not shown), instead of deriving the reference signal from the excitation source 12, a further detector (34) monitors radiation from a reference point on the omitting surface of the source to derive a reference signal for feeding direct to the phase meter which also receives the main detector output direct. In the arrangement of Fig. 3 (not shown) instead of electrical excitation of the source under test, an auxiliary electron beam or optical radiation source inadiates the emitting surface of the test source, and the reference signal is obtained direct from an auxiliary detector monitoring the auxiliary source.
Patent GB-562065-A (GB)
Title: Improvements relating to centrifugal governors
IPC: G05D13/10
Filed: 1942-12-12
Abstract: 562,065. Speed governors. LUCAS, Ltd., J., and IFIELD, R. J. Dec. 12, 1942, No. 17692. [Class 57] A lever h actuating a valve &c. is operated by a slidable collar e on a sleeve b to which rotary and axial movement is imparted by a shaft a through screw threads i or face cams. The sleeve carries also a fixed collar c, and the governor weights are linked to both collars, which are pressed apart by springs. Rapid acceleration causes relative rotation between the shaft and sleeve, accompanied by axial movement. When a steady speed is again reached, springs k, n bearing on the sleeve ends and on shaft collars return the sleeve to its normal axial position.
Patent GB-370742-A (GB)
Title: Paper machine wire cloths and method of making same
IPC: D21F1/10
Filed: 1931-06-18
Abstract: 370,742. Wire cloths for paper-making machines. JOHNSON, C., 4760, Dagenais Street, Montreal, Canada. June 18, 1931, No. 17729. [Class 96.] The wire-cloth 1 of a paper-making machine is flattened by abrasion of, or by cutting, the outer surface without otherwise altering the normal contour of the wire strands. The wire 1 travels over a supporting roller 2 on which it is abraded by a roll 3 on a shaft 4 supported by arms 5 pivoted at 6 and counterbalanced by a weight 10 &c. adjustable on an arm 9, the roll being driven by an electric motor 11 and belt 12 &c. preferably in the direction opposite to the travel of the wire. The roll 3 may be formed wholly of corundum, emery &c. or may have a renewable abrasive surface or a cutting or smoothing surface. The resistance to wear, flexibility and drainage are stated to be unimpaired by the flattening.
Patent GB-145589-A (GB)
Title: A method of starting continuous current motors
IPC: H02P1/20
Filed: 1920-06-29
Abstract: 145,589. Oesterreichische Siemens Schuckertwerke. Jan. 29, 1916, [Convention date]. Systems for continuous-current motors only.- A shunt motor is started by closing the switch d, Fig. 1, to connect the armature a to the mains through a resistance w, then connecting the field coil e across the mains directly or through an adjustable rheostat r, and finally closing the switch s to short-circuit the resistance w. The switches may be interlocked to ensure operation in the correct order. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a modification, particularly for ship propulsion, in which the armature is connected bv the switch s to one-half b<2> of the battery, Fig. 2 (Cancelled), and the field regulator f is arranged to give the maximum field; for higher speed the field may be halved. The next step is obtained by rapidly changing the regulator f to the full field strength position and throwing the switch s to connect the armature across the complete battery b<1>, b<2>. The field may be weakened to raise the speed again. In order to reverse, the switch k is opened to insert the resistance w, and the regulator f is moved to secure the maximum reverse field so that a braking effect is obtained. The motor is braked to a stop and then starts in the opposite direction. The resistance w may then be short-circuited and the field weakened. Where two motors are used they may be connected in series to correspond with the halfbattery connexion and in parallel to correspond with the full battery connexion. This subjectmatter does not appear in the Specification as accepted.
Patent GB-1269895-A (GB)
Title: A method of cooling billets in continuous casting
IPC: B22D11/124
Filed: 1970-04-14
Abstract: 1,269,895. Continuous casting. CONCAST A.G. 14 April, 1970 [15 April, 1969], No. 17820/70. Heading B3F. A method of cooling a continuous casting 2 of polygonal cross-section issuing from a continuous casting mould comprises wetting the surface of the cast strand directly it leaves the mould with a coolant liquid sprayed through atomizing nozzles wherein the regions on each side of the strand adjacent the edges 3 are wetted by nozzles having a relatively high average coolant delivery rate per wetted unit area, the surface 9 between the edge regions being wetted by nozzles of relatively lower average coolant delivery rate.
Patent GB-744298-A (GB)
Title: Improvements in or relating to metal structures
Inventor: RUSSELL ARCHIBALD EDWARD
IPC: B64C3/00
Filed: 1952-07-15
Abstract: 744,298. Aircraft framework. BRISTOL AEROPLANE CO., Ltd. July 15, 1953 [July 15, 1952], No. 17895/52. Class 4. [Also in Group X] The life is lengthened of the lower boom 20, Fig. 7, of an aircraft wing spar to which is bolted fittings 25, 26 which cause localized stress at C-C, by replacing those fittings with longer fittings 38, 39, Fig. 9, before the end of the safe life of this joint. The fittings connect the outer to the centre  wing sections. Packing 27, 28 in the original spar is removed or replaced to fit the new fittings.
Patent GB-297173-A (GB)
Title: Improvements in or relating to jointed pipe lines
IPC: F16L27/08
Filed: 1927-07-07
Abstract: 297,173. Drewry, J. S., and Shelvoke & Drewry, Ltd. July 7, 1927. Swivelling cup-leather joints.-In a pipe line for fluids comprising a series of short rigid pipes A connected together by union members D, the union members are each provided with two bores at right angles and in different planes to receive right-angled apertured extensions B on the ends of the pipes. The bores are in communication by means of an aperture E, while fluid-tightness between the said extensions B and the union member is secured by a U-shaped leather &c. packing ring F. The extensions B are retained in position by nuts C adapted to bear against a thrust plate H and positioning ring J, while a fabric packing ring K may be interposed between the packing ring F and the said thrust plate or the latter may be shaped to coact with the ring F.
Patent GB-169787-A (GB)
Title: Improvements in sparking plugs
IPC: H01T13/22
Filed: 1920-07-02
Abstract: 169,787. Chambers, A. July 2, 1920. Valve chests, arrangement of igniters in.-A valve cap fcrms the casing of a sparking-plug.