baber/WOPTO huggingface dataset:
Patent GB-1270902-A (GB)
Title: Continuously bronze plating aluminium wire or strip
IPC: C25D7/06
Filed: 1970-05-12
Abstract: 1,270,902. Electro-plating aluminium with bronze. METAL DYNAMICS Inc. May 12, 1970 [May 21, 1969], No. 23023/70. Heading C7B. Aluminium metal or alloy wire or strip stock is bronze plated for soldering by passing it through a series of at least one of each of the baths: (1) an aqueous alkaline etch bath containing alkali metal hydroxide (e.g. 3-8 oz/gal), and preferably alkali metal gluconate (e.g. 1-4 oz/gal); (2) an aqueous acid oxidizing bath containing HCl and/or HNO 3  and a F compound such as NH 4 HF 2  or HF; (3) an aqueous conditioning bath containing Na or K stannate (e.g. 12-16 oz/gal), alkali metal hydroxide (e.g. 1-3 oz/gal) and preferably Na or K gluconate (e.g. 1-3 oz/gal); and (4) an aqueous bronze electro-plating bath containing at least 1 oz/ / gal of alkali metal hydroxide (e.g. 3-4¢ oz/gal), at least 5 oz/gal of Sn in a stannate compound (e.g. 12-16 oz/gal Na or K stannate) and at least 2À5 oz/gal of Cu in a CN compound (e.g. 12-15 oz/gal 2 KCN, CuCN). The alkali metal may be Na or K. The stock remains in each of the above baths for no greater than 10 seconds for high speed plating, and passes through at least one aqueous rinse bath between each of baths (1) to (3). The stock may further pass as cathode through an aqueous Ni fluoborate electro-plating bath, then through at least one further electro-plating bath comprising an aqueous BF 4  solution of Sn, Cu, Pb-Sn; Pb or Ni. A cathode current density of at least 100 ASF is maintained in the plating baths. After plating, the stock may be drawn to reduce its size.
Patent GB-774997-A (GB)
Title: Improvements in and relating to magnets
IPC: H01F7/20
Filed: 1955-02-24
Abstract: 774,997. Permanent magnets; electromagnets. VARIAN ASSOCIATES. Feb. 24, 1955 [March 19, 1954], No. 23045/56. Divided out of 774,996. Drawings to Specification. Class 35. The subject-matter of this Specification is identical with that of 774,996, but the claims differ.
Patent GB-1459415-A (GB)
Title: X-ray diffraction gratings
IPC: G21K1/06
Filed: 1973-05-15
Abstract: 1459415 Diffraction gratings NATIONAL RESEARCH DEVELOPMENT CORP 7 May 1974 [15 May 1973] 23103/73 Heading G2J To increase the effective wavelength range of an X-ray grating at a given incidence angle the depths of the grooves vary significantly over the area of the surface of the grating. There may be a continuous variation in depth or the grooves may have two or more fixed depths.
Patent GB-861472-A (GB)
Title: N-arylmaleamic acids and the manufacture of ª‡:ª‰-di-(arylazolyl)-ethylene derivatives
IPC: C07D263/56
Filed: 1957-07-23
Abstract: The invention comprises compounds of the formula <FORM:0861472/IV (b)/1> where R1 is an aryl residue, which may be substituted, e.g. by alkyl or alkoxy groups of 1-4 carbon atoms, halogen, or nitro; a process for their preparation by reacting a compound of formula <FORM:0861472/IV (b)/2> with maleic anhydride; and their use, as described below, in the preparation of compounds of the formula <FORM:0861472/IV (b)/3> where R2 is an aryl residue, which may be substituted by substituents as given for R1 above, and Y is oxygen, sulphur, or -NR3-, where R3 is hydrogen or an alkyl group of 1-4 carbon atoms.  By reaction with an agent capable of eliminating water, e.g. ZnCl2, the compounds of the invention are cyclized to compounds <FORM:0861472/IV (b)/4> and if these compounds, or the compounds of the invention themselves, are condensed with a compound of formula <FORM:0861472/IV (b)/5> in the presence of an agent eliminating water, e.g. boric acid, the di(arylazolyl) ethylene derivatives of the third formula given above are obtained.  These last compounds are optical brightening agents.ALSO:Optical brightening agents, which may be used for the treatment of films and synthetic fibres, e.g. cellulose esters, polyacrylonitrile, polyvinyl chloride and polyesters, in the usual manner, have the formula <FORM:0861472/IV(c)/1> where R1 and R2 are aryl residues and Y represents oxygen, sulphur or -NR3-, where R3 is hydrogen or an alkyl group containing up to 4 carbon atoms.  Advantageously textile fibres are brightened in an aqueous medium in which the compound is suspended.  R1 and R2 may be substituted, e.g. by alkyl or alkoxy groups of 1-4 carbon atoms, halogen or nitro.
Patent GB-743322-A (GB)
Title: Electrically-heated appliance, in particular a vessel for cooking, roasting or baking
IPC: A47J27/00
Filed: 1950-09-22
Abstract: 743,322. Enamels. WURTTEMBERGISCHE METALLWARENFABRIK. Sept. 22, 1950 [Oct. 4, 1949], No. 23332/50. Addition to 733,142. Drawings to Specification. Class 56 [Also in Group XI] The insulating properties of a vitreous enamel holding an electric heating resistance on a cooking vessel (see Group XI) are increased by largely replacing the constituents having increased ion conductivity at higher temperatures (such as alkali oxides) by constituents having a lower ion conductivity; and the enamel comprises by weight 20-40 per cent of silica, 40-65 per cent of lead oxide or barium oxide or a mixture of these, up to 6 per cent of alumina, up to 6 per cent of calcium oxide, up to 5 per cent of boric oxide and optionally up to 15 per cent of titanium oxide. The enamel contains up to 25 per cent of boric oxide, calcium oxide, aluminium oxide and titanium oxide, and may comprise 47.5 per cent of lead oxide, 4.2 per cent of calcium oxide, six per cent of alumina; 36.6 per.cent of silica, 4.6 per cent of boric oxide and 1.1 per cent of chromic oxide or other colouring oxide. Another example is 46.3 per cent of lead oxide. 13.25 per cent of barium oxide, 2.9 per cent of calcium oxide 0.53 per cent of alumina. 25 per cent of silica, 4.85 per cent of boric oxide, 6.66 per cent of titanium oxide and 0.51 ner cent of chronium oxide or other colouring oxide. Any compounds of the alkali oxides occur only as impurities. Usual oxidising agents, adhesion-promoting oxides, colour ing oxides and clouding agents -nay be present.
Patent GB-487010-A (GB)
Title: Improvements in means and methods of instrument indication in aeroplanes and the like
IPC: G01D7/04
Filed: 1937-08-26
Abstract: 487,010. Indicating devices for aircraft. LINK, jun., E. A. Aug. 26, 1937, No. 23399. [Class 4] [Also in Groups XX and XIX] Images of the visual indicating portions of aircraft instruments are projected on to a screen to provide a single group of images by light reflected from the instruments. As shown in Fig. 6 the instruments 16 carried on a panel 2 have dials surrounded by apertured reflectors 17 each containing two lamps, the light reflected from the dials being projected by optical units 15 to the screen 13. Each unit 15 carried on a panel 14, comprises three reflecting prisms for orientating the image and a projection lens. Side screens 27 may be provided, and the system comprising screen 27, 13 and panel 14 may be hinged about the panel 2 to permit direct observation of the instruments. Light tubes may be provided between each reflector 17 and its corresponding unit 15. Images of instruments having similar directions of movement may be located on the screen in substantially the same plane of vision so that the group may be read almost as one instrument. Fig. 4 shows such an arrangement comprising a clock 3, artificial horizon 4, radio marker beacon 5, turn indicator 6, bank indicator 7, directional gyro 8, rate of climb indicator 9, air speed indicator 10, radio compass 11 and altimeter 12. If desired part only of each dial may be projected the remainder being blacked out.
Patent GB-880000-A (GB)
Title: Peak voltage detector circuit
Inventor: CROWTHER GERALD OFFLEY
IPC: G01R19/04
Filed: 1960-07-05
Abstract: 880,000. Valve relay circuits. MULLARD Ltd. July 5, 1960, No. 23469/60. Class 40(6) In a circuit for detecting the excursion of voltage beyond pre-determined positive and negative limits described in Specification 858,741, the time constant of the potential divider sections 13D, 14D, 23D, 24D shunting the diodes D1, D2 is made lower than that of the other sections to improve operation on pulses shorter than 50 ÁS. Component values are included.
Patent GB-1059367-A (GB)
Title: Improved starting torch for liquid fuel burners
IPC: F23D99/00
Filed: 1965-06-02
Abstract: 1,059,367. Liquid fuel burners. W. H. BYRNE, and J. H. SADLER. June 2, 1965, No. 23492/65. Heading F4T. A liquid fuel burner comprises a tubular body (12), Fig. 1 (not shown), having a discharge orifice (15) controlled by the conical end of a rod (17) extending through the tubular body and provided with grooves (42) at its conical end. The bore of the tubular body may also be provided with grooves. The rod is threaded into an end of the tubular body and is sealed by an 0-ring (27) and by a gland (29) secured by a gland nut (28). Liquid fuel and pressure air are delivered to the tubular body by a tube (32) having two passages and secured by a gland nut (35) to a tube (34) fixed to an opening in a fuel tank (11). One of the passages in the tube (32) is extended into the fuel in the tank by means of a fuel tube (41).
Patent GB-898637-A (GB)
Title: Glandless centrifugal pump
Inventor: STEHRENBERGER MAX
IPC: H02K5/128
Filed: 1960-07-06
Abstract: 898,637. Axial-flow fans. RUTSCHI, K., [trading as PUMPENBAU BRUGG Dr. ING. H.C. K. RUTSCHI]. July 6, 1960, No. 23593/60. Class 110 (1). [Also in Group XXXV] In a glandless centrifugal motor-pump unit, the motor also drives a cooling fan 12, visible through windows 17, outside the sealed rotor space through a magnetic coupling 9, 10. The motor rotor 4 and driving magnet 9 of the coupling are immersed in the pumped liquid inside a sealed casing consisting of the stator bore sleeve 6 and a separator 11, and for this reason the driving magnet is protected by a non-magnetizable acid-resistant sleeve 14, e.g. of Cr-Ni-Mo steel.
Patent GB-708059-A (GB)
Title: Improvements in torsional oscillation dampers
IPC: F16F15/18
Filed: 1950-09-27
Abstract: 708,059. Torsional vibration dampers. BRITISH THOMSON-HOUSTON CO., Ltd., and FITCHETT, F. Aug. 27, 1951, No. 23675/50. Class 108(3) An asynchronouslyoperating t o rs io n a 1- vibration damper comprises coaxial, spaced, relatively - rotating g masses 2, 4 rigid with and rotatably mounted on respectively, the shaft 1 to be damped, one only (as shown, 4) of either mass being provided with spaced magnetized or magnetizable sole pieces 7. The undirectional flux between the pole pieces 7 enters and (on relative rotation between the masses 2, 4) generates eddy currents in one of the masses 2, 4 and thereby damps relative oscillations between the masses 2. 4 of any frequency. The pole pieces 7 are energized by a winding 8 connected to slip rings 9. Alternatively, Fig. 4, (not shown) the pole pieces may be carried by the flywheel 2, the slip rings then being on the shaft 1. The surface of the member in which the eddy-currents are formed may be of copper, or copper bars may be inserted in slots in the surface. Alternatively, the surface may be formed by a laminated steel core which carries a short-circuited squirrel-cage winding, Fig. 5 (not shown). The energization of the pole pieces 7 may be varied in order to vary the degree of damping. In the construction shown, the pole pieces are alternately of opposite polarity . In another construction the pole pieces are arranged in two axially-spaced circumferential series, the pole pieces of one series being of common polarity to one another and opposite to that of the other series. The pole pieces may comprise permanent magnets. The annulus 4 and flywheel 2 may be mounted on separate, but coaxila, shafts. The annulus 4 may be journalled directly on the shaft 1. Specification 531,122 is referred to.
Patent GB-461686-A (GB)
Title: Improvements relating to a device for gathering leaf from tea bushes
IPC: A01D46/04
Filed: 1935-08-26
Abstract: 461,686. Harvesting tea. BALL, J. (Wilson, F. W.) Aug. 26, 1935, No. 23897. [Class 6 (iii)] Leaves are cut from the bushes by a device comprising a knife element 3, consisting of a number of long tapered and pointed blades 4 mounted at their bases on a U -shaped frame secured by a lug 10 and bolt to a frame member 1 provided with a handle 16 and adapted to rest on and be moved over the bushes. The frame member has two horns 11, 12 projecting on either side of a guide channel at the base of which the knife element 3 is fitted. The horns 11, 12 are provided with slots 15 with side recesses 14 to which corresponding projections 13 on the U-shaped frame carrying the knives may be adjustably fitted. A leaf receiver 2 is mounted on the rear part of the frame 1. The knives are preferably of inverted triangular section. A wiper blade 17 is adapted to be moved across the knives 4 by a thumb piece 19.
Patent GB-699448-A (GB)
Title: Feeding mechanism for wrapping machines and similar machines
IPC: B65G47/14
Filed: 1951-04-03
Abstract: 699,448. Wrapping-machines. G. D. SOC. ANON. April 3, 1951 [April 8, 1950], No. 23943/52. Divided out of 699,422. Class 94(i) [Also in Group II] Mechanism for feeding articles to wrapping means comprises a disc rotated step-by-step either having a raised centre, or being flat and adapted to rotate on an inclined axis, and having a plurality of peripherally arranged bottomless pockets to receive the articles individually, and a fixed or rotating brush to form, in conjunction with the disc, a basin-shaped volume, supporting means located below the disc to maintain the articles in said pockets, and at least one elevator to move each article vertically and to present it to wrapping means when it reaches a predetermined point in the travel of the disc, that the articles automatically arrange themselves in the pockets prior to being subjected to the action of the elevator. An intermittently rotated feed disc 2 having peripherally arranged bottomless pockets 100 has a raised centre and forms together, with a fixed wall 104, 105 and an exit brush 106, a basin into which the articles to be distributed into the pockets are loaded in bulk. Rails 101 carried by brackets 102 secured to the main frame of the machine support the article in the pockets 100, the brush 106 ensuring that one article only in each pocket is carried round to an elevator 3. The elevator 3 lifts the article together with a wrapper placed thereover from the disc into wrapping mechanism, conveniently of the form described in Specification 699,422. A revolving brush may replace or be present in addition to the brush 106. The rails 101, or a ribbed ring may be rotated in the same or opposite directions to that of the disc and may be moved eccentrically relative thereto. A heating element 113 may be arranged under the disc to keep it and the supporting means 101 dry.-A flat disc 2 rotating about an axis inclined to the vertical may be used.
Patent GB-829455-A (GB)
Title: Improvements in or relating to electric lighting installations
Inventor: CATES JULIAS
IPC: H05B41/232
Filed: 1957-07-30
Abstract: 829,455. Signalling over power lines. GENERAL ELECTRIC CO. Ltd. July 18, 1958 [July 30, 1957], No. 24098/57. Class 40 (4). A number of discharge lamps are switched on and off by ripple control, each discharge lamp having a power factor correction circuit comprising at least a capacitor and in one or more, but not all circuits, an inductor also the number of inductors being used as a variable to present high impedance to the ripple frequency. As illustrated, 200 high pressure 400-watt mercury vapour lamps are connected between one phase and neutral of a three-phase supply. The ripple current injected over transformer T2 produces 5 volts at 455 cycles to which relays R1 to R200 respond, or at 480 cycles to which the relays fall back. Each of the lamps L1 to L200 is in series with a ballast inductor and a capacitative shunt is provided as power factor correction. The number of inductors I, typically 116, is chosen to present the ripple frequency generator of 455 cycles with a high impedance and the inductors are distributed as uniformly as possible along the power line.
Patent GB-221959-A (GB)
Title: Improvements in or relating to the wind screens of motor road vehicles
IPC: B60J1/04
Filed: 1923-09-27
Abstract: 221,959. Motor Equipments, Ltd., and Ransom, G. H. Sept. 27, 1923. Wind-screens. - Relates to vehicle wind-screens of the kind such as is described in Specification 168,822, comprising two portions pivotally mounted on pins or pillars upstanding from each side of the vehicle so that the screens can either be extended transversely t'o form a front screen or to be folded into a position extending along the vehicle sides. According to the invention, the pillars 1 are offset inwardly from the side walls of the vehicle and are pivoted about an axis transverse to the vehicle so that either portion of the screen may be lowered in its folded condition to a position within the body of the vehicle and substantially flat against the side wall thereof. In the arrangement shown each pillar 1 is adapted to rotate on an horizontal pivot pin 2 attached to a bracket 3 and provided with a manually releasable spring catch 6 which is arranged automatically to engage recesses 7, 8 in the bearing portion of the pillar 1 so as t'o retain the pillar in its vertical or horizontal positions. Either portion of the screen may also be disposed horizontally to serve as a table upon which maps &c. may be rested.
Patent GB-501753-A (GB)
Title: Improvements in or relating to television and like receivers
IPC: H04N3/32
Filed: 1937-09-03
Abstract: 501,753. Television. BAIRD TELEVISION, Ltd., and MERDLER, L. R. Sept. 3, 1937, No. 24120. [Class 40 (iii)] The brightness contrast of an image reconstituted on the screen of a cathode-ray tube by velocity modulation is controlled by manual alteration of the potential applied to the Wehnelt cylinder.
Patent GB-745578-A (GB)
Title: Pumps with rotating and reciprocating pistons
IPC: F04B7/06
Filed: 1953-09-01
Abstract: 745,578. Double-acting reciprocating pumps. MYARD, F. E. Sept. 1, 1953 [Sept. 4, 1952], No. 24187/53. Class 102(1). A double-acting pump has a piston 1 that is rotated by a pulley 2 and reciprocated by bearing pads 3, 3<SP>1</SP> engaging inclined surfaces 9, 9<SP>1</SP> on the ends of the cylinder. The bearing pads are mounted to rotate about axes Y-Y, Y<SP>1</SP>-Y<SP>1</SP>, that are parallel to the axis X-X of the piston. The inclinations of the ends of the cylinder may be as shown or may be parallel or more than one bearing pad may be carried at each end of the piston, each pad being a different distance from the axis X-X, and co-operating with inclined surfaces having different inclinations. The pistons may be provided with passages 11, 11<SP>1</SP> co-operating with inlet and delivery ports e.g. 12, 12<SP>1</SP> formed in the cylinder wall.
Patent GB-224662-A (GB)
Title: Variable gear controlling mechanism for motor vehicles and other machines
IPC: F16H59/04
Filed: 1923-09-28
Abstract: 224,662. McDowell, J. C. Sept. 28, 1923. Controlling levers associated with hand steering- devices; flexible transmitters. - Variable speed gear controlling-mechanism for motor vehicles and other machines comprises upper and lower members each adapted to slide and rotate, the lower member carrying an arm operating the gear shift rods, and flexible means connecting the two members so that the movements of the upper are communicated to the lower one. The sliding rods 24, 25 operate the gear forks 26, 28 and have forked shoulders 31, 32 adapted to be engaged bv a sliding and rocking arm 62 on a shaft 40. The shaft 40 is connected by a flexible shaft passing through a guide tube 43 to a shaft 41 which is mounted on the steering-column and carries a hand-lever 51 close to the steering-wheel. A pin 61, Fig. 7, on the shaft 41 works in a gate 54 formed in a bearing bracket 48 for the shaft, so that the shaft can be moved axially to select one of the rods 24, 25 and then rotated to slide the selected rod and thus effect one of the gear changes. The arm 62 on the shaft 40 tends always to return to the neutral position, being constrained by springs 66, 67. In a modification, the hand-lever 51 is pivoted to a rotatable socket on the steering column and its end is pivotally connected to the end of the shaft 40.
Patent GB-1245033-A (GB)
Title: Spring interiors for mattresses, seats and the like
Inventor: PEARSON GEORGE HAROLD
IPC: A47C27/07
Filed: 1969-05-13
Abstract: 1,245,033. Spring mattresses. SLUMBERLAND GROUP Ltd. May 13, 1970 [May 13, 1969], No. 24218/69. Heading A4M. [Also in Division B3] A spring interior for a mattress comprising a plurality of coil springs 12 inter-linked by helical wires 3 or 15 includes stops 17 formed by permanently deforming the helical wires intermediate their ends after they have been advanced in the manner of a screw to inter-link the springs 12, the stops 17 serving to prevent the helical wire from being unlinked from the springs 12. An apparatus for assembling the spring interior includes means for rotating and advancing the helical wires to inter-link the springs and is provided with a twisting head 4, Fig. 1, with a transverse groove 5 which receives an intermediate part of the helical wire. The head 4 is carried by a shaft 1 intermittently rotated through 180 degrees by a rack and pinion 7, 6 reciprocated by a piston and cylinder unit to twist and permanently deform the wire at the desired position of the stop 7. The wire ends 16 may also be looped. Each row of springs may be integrally formed from a single wire. (For Figures, see next page)
Patent GB-172076-A (GB)
Title: Improvements in or relating to means for the hydraulic transmission of power
IPC: B60K17/10
Filed: 1920-08-23
Abstract: 172,076. Giard, G. Aug. 23, 1920. Link-work.-Apparatus for the hydraulic transmission of power particularly applicable to motor - vehicles comprises driving and driven shafts 16, 42, Fig. 1', extending into a casing 1, which is normally held stationary by means of a friction cone 19, Fig. 2, slidably secured to the casing and adapted to co-operate with a fixed cone 24, and by pawls co-operating with the ratchet wheel 26 carried by a brake member 27. The casing comprises a central portion 5, in which are ar. ranged suction and pressure compartments 6, 7, pumps and motor cylinders, the pistons of which are respectively connected to adjustable and fixed swash plates 12, 28, and conical distributing valves 8. The compartments 6, 7 are separated by a partition C having openings provided with spring-controlled pistons adapted to yield when necessary. The adjusting means for the plate 12 comprises a member 14 integral with the plate and mounted in a slide 49 movable in guides 48 keyed to the shaft 16. Longitudinally slidable rods 18 are each provided with a tooth 52 engaging a cam member 51 for operating a lever 50 to move the slide in either direction. The rods 18 are fixed to a ring 57 supported by an extension of a nut 56 engaging a threaded sleeve 55 mounted on the shaft 16, the rods being operated to cause an increase in speed by reducing the speed of rotation of the nut relative to the sleeve and to obtain a decrease by reducing the speed of the sleeve. Normally both nut and sleeve are rotated at the same speed as the shaft 16, the nut-rotating mechanism comprising a sun-wheal 58 and a cone 59 keyed to the shaft, the cone 59 being in engagement with and rotating a three-faced member 66 carrying the spindles of planet pinions connected together in pairs, one pinion of each pair meshing with the wheel 58 while the other pinion meshes with a pinion 61 having more teeth than the pinion 58 and connected to the nut. Rods 69 operated by an accelerating pedal are operated to cause a flange member 68 to disengage the member 66 from the cone 59 and to brake its movement. The speed of the pinion 61 and therefore of the nut 56 is thereby reduced, and the rods 18 will be operated to increase the speed. The rate at which the change of speed takes place may be increased by depressing the pedal so far that the planet-carrying member 66 is brought into contact with a fixed cone 71. When the maximum speed is reached, a member 72 acts on rollers 73 to return the pedal to its original position. The rotation of the sleeve is similarly controlled from rods 77 operated by a reducing pedal.