baber/WOPTO huggingface dataset:
Patent GB-693273-A (GB)
Title: Charcoal brazier
IPC: F24B3/00
Filed: 1952-04-02
Abstract: 693,273. Charcoal braziers. STUART, A. P. A. April 2, 1952 [April 24, 1951], No. 8453/52. Class 126 A charcoal brazier comprises an open top vessel with an air inlet in its side near the bottom, a door to wholly or partly close the aperture; a grate bowl having a flange to rest on the vessel rim, a grille in the bottom of the grate bowl and a trivet ring resting concentrically on the top flange of the bowl. The vessel 4 has handles 5 and feet 6 mounted on spacers 7, 8 respectively. An aperture 9 in the lower part of the side of the vessel is provided with a door 10, so that the amount of air entering can be controlled. A bowl 11 is supported within the upper part of the vessel by a flange 12 resting on the top rim of the vessel and a trivet ring 15 with cantilever support bars 17 rests on the flange 12, lugs 16 engaging the inner wall of the grate bowl 11. The charcoal fire is supported on a grille 14 resting on lugs 13. A cover 18 with a downwardly directed rim 19 which rests on the flange 12 is provided so that the fire may be readily extinguished.
Patent GB-945651-A (GB)
Title: Device for the electron microscope presentation of magnetisable objects
IPC: G01Q60/00
Filed: 1962-03-06
Abstract: 945,651. Electron microscopes. SIEMENS & HALSKE A.G. March 6, 1962 [April 28, 1961], No. 8599/62. Heading H1D. A device for the electron microscopic presentation of magnetizable objects, in which a magnetic field B 11 , Fig. 4, whose magnitude and/or direction is preferably adjustable and which is directed at right angle to the electron beam, serves to magnetize the object, especially for the defocused presentation of submicroscopic details of magnetic structures, comprises an electron beam which enters the magnetic field B 11  at an angle to the optical axis S, the ray being deflected by the magnetic field in the direction of the optical axis so that the electron beam enters the electron lens practically parallel with the axis. Three separate magnetic fields are preferably provided, B 1  B 11 , B 111 , along the path of the beam and all of equal intensity, the extent l 11 , Fig. 6, of B 11  being twice that of the extents l 1 , l 111  of B 1  and B 111 . In one form, Fig. 4, the magnetic fields are created by a pair of E- shaped magnets energized by suitably wound coils, either a pair of coils one on each of the middle arms as shown, or by three pairs of coils wound on each arm. A detailed mathematical analysis of the path of an electron is given, and an arrangement is described wherein the whole of the magnetic structure may be tilted about an axis perpendicular to the electron beam.
Patent GB-1506903-A (GB)
Title: Cathode-ray storage tube
IPC: C09K11/08
Filed: 1975-03-03
Abstract: 1506903 Luminescent screens PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 3 March 1975 [6 March 1974] 8746/75 Heading C4S [Also in Division H1] A.c.r.t. storage display tube includes a conductive surface with a porous luminescent storage layer, means to generate a writing beam, and means to generate a flood beam for charge maintenance, the storage layer consisting of mono- or polycrystalline plate shaped grains, the grains being randomly orientated, so as to be loosely stacked, and covering the screen when viewed perpendicularly. The phosphor layer includes at least one phosphor chosen from oxychalcogenides, oxides and oxyhalides of at least one of Y, La, Gd and Lu, activated by at least one of Bi, Sb, and rare earths of At. No. 58 to 63 and 65 to 70. The porous structure reduces conduction along and through the screen. Crystal shapes may be a rectangle, square, rhombus or regular hexagon. Greatest to smallest dimension of the grains is preferably an average of 3 to 25. Dimensions are exemplified. Oxides such as lanthanum oxide, and yttrium oxide may be obtained by heating the oxysulfide in an oxidizing atmosphere. Preferably at least one of lanthanum oxybromide, yttrium oxysulfide and lanthanum oxysulfide are included, while Tb and Tb with Sm are preferred activators. The storage layer may be applied by dry spraying, in which the solvent in a solvent-binder-phosphor suspension is evaporated on contact with the heated support. Application may also be by silk-screening. Examples utilize La 0À99 Tb 0À01 OBr; europium activated yttrium oxide; La 0À97 Tb 0À03 Br; La 1À994 Tb 0À006 O 2 S; and europium or terbium activated yttrium oxide. Operational aspects are discussed in relation to secondary emission of the screen, and beamvoltages. Reference is also made to more than one writing gun and more than one flood gun. The support is preferably transparent. Applications include oscilloscopes, radar displays and character writing.
Patent GB-1363363-A (GB)
Title: Dye spring centres
IPC: D06B5/16
Filed: 1972-02-25
Abstract: 1363363 Dye spring centres; end adapters FMK MFG Ltd 9 Feb 1973 [25 Feb 1972] 8752/72 Heading B8M An end adapter, for a dye spring centre 21, comprises a centrally-apertured end disc 25 having, at one side, a pair of concentric flanges 27, 28 defining between them an annular channel 29 for reception of the terminal helix 23 of the dye spring centre, there being in the channel 29 a series of spaced-apart locating protrusions 32 of progressively increasing effective height, for engagement with corresponding portions of the terminal helix 23 of the main spring 20 between adjacent lacings 22 therearound, whereby the end disc 25 of the adapter is located in a plane perpendicular to the axis of the dye spring centre. Radially projecting locating lugs 33 may also be provided on one or both flanges 27, 28, the terminal helix 23 of the dye spring centre being pushed over the lugs 33 when the adapter is fitted. Closely-spaced openings 34 may also be provided in the flanges 27, 28 to prevent dye liquid being trapped in the channel 29. The end adapter may be made of stainless steel or moulded from plastics material. In a further embodiment, the end disc 25 is provided with a radial extension in the form of an annular disc 35 extending radially inwards of the inner flange 28 to provide a smaller spindle locating aperture 36.
Patent GB-216273-A (GB)
Title: Improvements in and relating to boats adapted to run on land
IPC: B60F3/00
Filed: 1923-03-28
Abstract: 216.273. Robinson. J. March 28, 1923. Driving arrangements for screw propellers ; rudders.-In motor boats adapted also to run on land, the engine shaft is extended forward to drive a transverse road wheel shaft which is situated forward of the centre of gravity of the boat. A rear disc whe,el is utilized as a rudder. The. forward wheels b are mounted on a shaft c which passes through stuffing boxes d and is geared to a. shaft f which is coupled to a forward extension of the shaft of the motor e by a clutch and gear box. The engine is also connected by a clutch with the propeller shaft z. The rear wheel l is journalled in a fork member m on a vertical shaft n which is connected by levers r, u with a nut s on the steering shaft t. The rudder shaft n may be slidably mounted under spring control for absorbing shocks. The wheel l has disc sides.
Patent GB-383518-A (GB)
Title: Improvements in or relating to abrasive discs
IPC: B24D7/16
Filed: 1932-03-24
Abstract: 383,518. Abrading-wheels. STEVENS, A. H., 5, Quality Court, Chancery Lane, London.-(Titan Abrasives Co. ; 1352, West 59th Street, Chicago, U.S.A.) March 24, 1932, No. 8824. [Class 60.] An abrasive disc comprises an abrasive layer 117 secured by cement 118 to a thin sheet metal backing 111 mounted on a face-plate 110 and having raised portions or ridges 112, the backing being secured to the face-plate by fastening devices such as bolts 114, the heads of which are adjacent to and on a lower level than, the ridges. The bolt heads may be flattened on one side and lie closely against the ridges to prevent turning. The backing has a peripheral rim 120 which is countersunk in the abrasive material. In a modification, Fig. 4, the backing is provided with a number of square depressions 212 adapted to receive the square heads of the fastening bolts 214. In this form the face-plate may have countersunk holes to receive the depressions in the backing. In another modification, Fig. 7, the backing is provided with concentric raised rings 12 adjacent which the heads of the fastening bolts are located.
Patent GB-564663-A (GB)
Title: Improvements in or relating to a method of and means for drilling tapered and undercut holes in wood, metal, plastics, stone or other solid materials
IPC: B23B51/00
Filed: 1943-06-03
Abstract: 564,663. Dowelling. JAY R J. June 3, 1943, No. 8896. [Class 89 (ii)] [Also in Group XXII] In connecting parts by dowels, holes having a cylindrical portion e and an undercut portion tare drilled in the two parts and dowels constructed to be expanded at each end are employed.
Patent GB-378011-A (GB)
Title: Improvements in or relating to the manufacture of nitric acid from ammonia
IPC: C01B21/40
Filed: 1931-03-23
Abstract: In obtaining an output of 700 to 5000 kg. of nitric acid by oxidizing ammonia by the method claimed in the parent Specification, an oxidation chamber having a capacity between 2 and 10 cubic metres is employed.  Either air or oxygen may be employed in the oxidation and the gases may be precooled before passing into the oxidation chamber. The chamber may be constructed of aluminium, the plates, pipes and other parts being joined by riveting or hammering, while avoiding soldered or welded joints.  Reference has been directed by the Comptroller to Specification 363,436.
Patent GB-1223484-A (GB)
Title: Improvements in or relating to energy absorbers
IPC: B62D1/19
Filed: 1968-02-23
Abstract: 1,223,484. Energy absorbing devices; pipes and tubes. TOKYU SHARYO SIEZO K.K. 23 Feb., 1968 [25 Feb., 1967], No. 8984/68. Headings F2E and F2P. In an energy absorbing device comprising a tubular body of a material, such as mild steel or non-ferrous metals having ductility and a suitable resisting force with subjected to load, the tubular body is formed integrally through a round stepped intermediate portion 3 with a non-deformable first tubular portion 2 having a diameter larger or smaller than the diameter of second tubular portion 1 of the tubular body such that when a compressive force is exerted axially of the tubular body the second tubular portion 1 is subjected to successive deformation and is folded back so that an intermediate diameter or third tubular portion 5 is formed. Fig. 1 illustrates the energy absorbing device before deformation takes place and Fig. 4 shows the device after deformation has taken place. In an alternative embodiment (Figs. 14 and 15, not shown) ribs may be formed integrally on the non-deformable first tubular portion 2 to increase the rigidity of the latter. In further embodiments, Figs. 16 to 18 inclusive a plurality of parallel or tapered apertures 7 may be provided axially of the second tubular portion 1 for reducing the compressive force necessary for deformation of the portion 1 of the energy absorber 4.
Patent GB-461941-A (GB)
Title: Improvements in friction gearing
IPC: G01B3/22
Filed: 1936-03-26
Abstract: 461,941. Variable - speed and other friction gearing. PRYM GES., W. March 26, 1936, Nos. 9028, 9029, 9031, and 9032. Convention dates, March 30, 1935, Oct. 23, 1935, Feb. 19, 1936, and Feb. 19, 1936. [Classes 80 (i) and 80 (ii)] In friction gearing, the traction pressure between the transmitting surfaces of driving and driven members 1, 3, Fig. 1, is maintained constantly by the torque reaction of a driven shaft. The resistance of a driven wheel 8 causes a planet gear 7, which drives it, to move bodily with its housing 10, so as to press the driven friction gear 3, which is in ring form, against the driving pinion 1, this pressure being in fact the torque reaction of the driven shaft 6. The parts are also so arranged that the weight of the housing 10 and gears 7, 3 increases the traction pressure, and disconnection is readily effected by lifting the housing 10 by a link 12. In a variable-speed arrangement shown in Fig. 4, the driving pinion 1 of Fig. 1, is replaced by a cone 14 along which the driven ring 18 is adapted to be slid by thrusting a control rod 22 axially of itself. An arrangement is described in which the cone moves axially instead of the ring. An arrangement is described with reference to Figs. 6, 7 and 8 (not shown), having double coned friction members. An arrangement suitable for driving a vehicle is described with reference to Figs. 9 and 10 (not shown), in which there is a cone and ring for variable forward speeds and a clutch for direct drive, and another cone and ring for variable reversed speeds. In changing the direction of drive, the reversed torque reaction causes a swing over from engagement with one cone to engagement with the other.
Patent GB-689191-A (GB)
Title: Improvements in electric speed-control systems
IPC: H02P7/26
Filed: 1950-04-12
Abstract: 689,191. Control of A.C. motors. BENDIX AVIATION CORPORATION. April 12, 1950 [April 29, 1949], No. 9046/50. Class 38 (iii) In an electric motor control system in which motor speed is maintained constant by the resultant of two A.C. signals, one adjustable and the other produced by an alternator driven by the motor, means in series with the generator output balances out any out-of-phase components present in the generator output. The speed of a twophase motor 16 driving a computer shaft through reduction gearing 32 and clutch 34 is arranged to be proportional to the setting of the slider of a potentiometer 40 which is adjusted manually or automatically in accordance with any desired quantity. To this end a voltage proportional to the speed of the motor obtained from a winding 38 of an alternator 12 driven by the motor is applied in opposition to the A.C. output of potentiometer 40 to an amplifier including triodes 48, 50 and pentode 52 the output of which energises one phase 24 of the motor. The other phase 18 of the motor, a winding 36 of the alternator and potentiometer 40 are supplied from a mains transformer 22. A low resistance 44 and a resistance 42 having a negative temperature coefficient to reduce the effect of temperature variations are connected in parallel with potentiometer 40. A network including potentiometer 60, condenser 58 and generator winding 56 is designed to eliminate from the amplifier input out-of-phase components in the alternator output. Motor 16 may be reversed by reversing the supply to potentiometer 40 or the secondary winding of transformer 22 supplying windings 18 and 36.
Patent GB-214971-A (GB)
Title: Improvements in or relating to self-acting spinning mules
IPC: D01H3/24
Filed: 1924-04-09
Abstract: 214,971. Dupont, R. A. April 23, 1923, [Convention date]. Addition to 10035/15. Mules.-In the arrangement described in the parent Specification, wherein, in order to maintain the correct reserve of thread remaining unwound at the completion of the inward run, the movement of the quadrant screw is controlled by ratchet gearing, which is set at the end of the inward run by a pivoted beam operated by means connected with the counter-faller, if the counterfaller has risen too high, and is actuated at the beginning of the outward run by a lever operated by a stop on the carriage, the beam 22, which is operated to set the ratchet pawl 24 by means of a rocking beam 20 engaged by means on the counter-faller rod, is provided with an extension 29 which, during the outward run, is operated by a stop 38 on the carriage to return the beam 22 and to operate the pawl 24 and rotate the ratchet-wheel 25. The pawl 24 is provided with a part 24<a> Fig. 4, adapted to climb a slope on the bracket 137 so as to free the operative part of the pawl from the ratchet-wheel as the beam 22 falls into its inoperative position. The bracket that carries the stop 3S is provided with an adjustable stop 141, which is adapted to engage a latch lever 138 and so release the lever 22 and allow it to be operated only when the carriage is at the inward end of its travel; this mechanism is used in place of the clutch gear described in the parent Specification. A crank 143, Fig. 8, may be mounted on the shaft 22<a> of the ratchetwheel 25 and connected by means of a connecting-rod 145 and ratchet gearing to the shaft that is coupled with the quadrant-screw.
Patent GB-680931-A (GB)
Title: Improvements in or relating to step ladders
IPC: E06C7/18
Filed: 1950-04-13
Abstract: 680,931. Step ladders. LOCKSLEY, F W. April 13, 1951 [April 13, 1950], No. :9146/50. Class 20(ii) A safety support for a person using the upper steps of a step ladder comprises a horizontal guard rail g automatically adjustable in length and covered by a pair of rod or tubular supports c telescopically adjustable in tubes b secured to the ladder sides a, the supports c being locked in position by spring plungers e each adapted to project through a hole in the tube b and one of a series of spaced holes in the tube c. The rail g comprises end T-pieces h, Fig. 2, fitted with rods j projecting into the ends of tube k having springs k<SP>1</SP> interposed between the T-pieces h and the ends of the tube k. The tubes b may be incorporated in the ladder structure so as to assist in supporting the steps. A hook m serves for supporting a pail or paint container and curved extension rods n screwed into the T-pieces h provide handles above the rail g and a wooden flap p mounted thereon serves as a support for cleaning and other articles.
Patent GB-701432-A (GB)
Title: Improvements in or relating to piezo-electric apparatus
Inventor: DAVIES ALEXANDER ORME
IPC: H03H9/19
Filed: 1949-04-04
Abstract: 701,432. Piezo-electric crystals. POSTMASTER GENERAL. Sept. 11, 1950 [April 4, 1949], No. 9164/49. Class 40 (8) A piezo-electric element consists of a bar of crystalline quartz, the axis of which parallel to its length forms an arc of a circle subtending an angle up to, but not including 360 degrees. The element may be maintained in flexural vibration in a substantially radial direction or in directions perpendicular to the radii. The element is supported preferably in a glass envelope by wires attached at its nodal points, and the wires may form electrode terminals. In the arrangement shown continuous metal coatings are provided, one strip C being shown in the Figure, on each side of the element which is in the form of a ring with a gap 12. Senarated electrodes A1- A6 and B1-B6 are provided on the outer and inner curved surfaces of the rings and are connected by strips 15. The connections are shown diagrammatically in Fig. 3. A terminal T1 is connected to strip C which in effect forms electrodes C1-C6 and a terminal T2 is connected to the other continuous strip which forms electrodes D1-D6. The terminals A1-A6 and B1-B6 are connected to terminals T3 and T4 as shown.
Patent GB-596325-A (GB)
Title: Improvements in or relating to magnesium silicate refractories
IPC: C04B35/16
Filed: 1945-04-12
Abstract: Refractory articles are prepared by mixing granular material rich in magnesium orthosilicate with finely divided magnesia, a hydrolyzable silicon compound, and water, the mix being moulded and fired to produce a mass bonded by magnesium orthosilicate formed in situ; the magnesia may be replaced by the hydroxide or by a compound which, on hydrolysis, yields, the oxide or hydroxide, e.g., magnesium chloride or an organic compound.  The silicon compound may be a silicon alkyl or aryl compound, a silicon halide, or a silicon aryl or alkyl halide, e.g., tetramethyl, tetraethyl, or tetraphenyl silicon, silicon tetrachloride or tetrabromide, or a methyl or phenyl silicon chloride, and it is used as a solution in carbon disulphide, benzene, or methyl or ethyl alcohol.  The water for hydrolysis is preferably added in admixture with the organic solvent, and the amount of liquid used is sufficient to render the mix mouldable. The magnesium silicate serving as the bond forms 1-8 per cent. of the product.
Patent GB-862077-A (GB)
Title: A bending mold for bending glass sheets
IPC: C03B23/027
Filed: 1959-03-17
Abstract: 862,077. Bending glass sheets. LIBBEYOWENS-FORD GLASS CO. March 17, 1959 [April 9, 1958], No. 9200/59. Class 56. A bending mould comprises a plurality of interconnected rail sections having shaping surfaces formed thereon which define a curvature to which the glass sheet is to be bent and being adapted to form a continuous substantially uninterrupted contour, at least one of said rail sections being movable, characterised by a connection linkage including two elements adjustable relatively to each other and disposed between the movable rail section and an adjacent rail section to align the shaping surface of the movable rail section with the shaping surface of an adjacent rail section, thereby maintaining the continuous substantially uninterrupted contour. The mould shown in Fig. 1 comprises a central section 15 consisting of two parallel interconnected inverted T-section members 15 and connected at each end by a hinge 25 to end sections 18 of similar construction. Each of the members forming one of the end sections carries depending arms 21 pivoted at 22 to links 23 pivoted at 24 to vertical members 13 carried on a base frame 10. The hinges 25 permit the upper surfaces of the members 15 and 18 to be adjusted to form a smooth continuous curve in the operative position shown. The hinge is shown in detail in Fig. 3. The member 18 is notched at C to accommodate a short transverse plate 33 welded at 37 and carrying two parallel spaced plates 34 through which passes a hinge pin 40. A member 38 carried on the hinge pin is welded at 45 to a plate 44 pivoted in turn on a pin 46 to a plate 26 welded at 27 to the member 15. The plate 26 has a depending portion 28. Pins 47 and 48 project from the plate 44 on either side of the portion 28 which may be located relatively to the pins by wedges 49 and 50. By adjustment of these wedges the member 15 may be adjusted relatively to the member 19 between the limits indicated by the dotted lines D and E. When the adjustments have been made the wedges 49 and 50 may be welded into position at 51. Specifications 678,708 and 727,200 are referred to
Patent GB-1577753-A (GB)
Title: Method for the conditioning of products
IPC: F26B3/06
Filed: 1977-03-04
Abstract: In the conditioning of products in partially open containers, the problem exists of as regular as possible an air supply between and along these products, and in particular irrespective of the accommodation in the different containers. As a solution, a fan unit (3) is mounted in the vicinity of the side walls of at least two containers (1) arranged one above another. Thus, an airflow can be generated directly in the free space between the containers, which spreads as far as into the partially open containers (1) adjoining the free space. <IMAGE>