baber/WOPTO huggingface dataset:
Patent GB-1469414-A (GB)
Title: Process for preparing acid amides
IPC: B01J31/16
Filed: 1974-06-18
Abstract: 1469414 Hydration of nitriles to amides SUMITOMO CHEMICAL CO Ltd 18 June 1974 [19 June 1973 3 Aug 1973] 27023/74 Heading C2C [Also in Division C3] Acid amides are obtained by hydration of corresponding nitrile compounds in the presence of a copper-containing polymeric catalyst obtained by either (i) contacting a copper salt or complex with a polymer having a basic nitrogenous group either in or linked to the polymer chain, or (ii) polymerizing a vinyl monomer containing a basic nitrogenous group bonded as a ligand to the copper atom of a copper salt or complex. The catalyst may be heat-treated at 50-400‹ C. prior to use. Metallic zinc may additionally be present. In examples, catalysts obtained by treating 4- vinyl pyridine/divinyl benzene or 4-vinyl pyridine/styrene/divinyl benzene copolymers with cupric formate, oxalate, tartarate or chloride, are used in the hydration of the following nitriles: acrylonitrile, acetonitrile, adiponitrile, benzonitrile, phthalonitrile, α- hydroxyisobutyronitrile, # - cyanopyridine, γ- aminocapronitrile, cyanic acid (to formamide) and cyanogen (to oxamide).
Patent GB-155091-A (GB)
Title: Improvements in and connected with metal building units
IPC: E04C3/40
Filed: 1919-11-03
Abstract: 155,091. Waern, J. D. Nov. 3, 1919. Roofs; walls.-Wall and roof framework is built up of triangular metal frames provided with cast metal junction-pieces moulded on the corners and also at intermediate points for supporting purlins or rafters and for attaching stays. Each rightangled junction-piece 6, Fig. 8, has a lug 23 with pin holes for the attachment of tie-rods 28, Fig. 2, or for securing two adjacent frames together. One acute-angled junction-piece 7, Fig. 3, has an offset cheek 29 with bolt-holes 40, an inclined thrust face 32, and a square end 34. The other acuteangled junction-piece 8, Fig. 4, has an offset coupling-cheek 36, an inclined face 37, and shoulders 39, 41. Purlin supports 43, 44 are also provided and bolt flanges 47 for securing the casting to a right-angled piece 51, Fig. 13. For large units, the side 3 is formed of four angle-bars 55, Fig. 18.
Patent GB-897979-A (GB)
Title: Improvements in or relating to indicator means
Inventor: FREEDMAN HAROLD PHILIP
IPC: G09F9/40
Filed: 1958-08-22
Abstract: 897,979. Monogrammic signs. K.G.M. ELECTRONICS Ltd. Aug. 14, 1959 [Aug. 22, 1958], No. 27083/58. Drawings to Specification. Class 118. [Also in Group XX] A monogrammic sign comprises a source of light, a plurality of lens elements aligned to form a planar assembly and a mask located on the side of the lens assembly remote from the source and substantially in the focal plane thereof, the source of light being capable of assuming selectively any one of a number of positions and the mask being provided with a different group of apertures corresponding to each position, so that when the source is in one position apertures of one group are illuminated and a predetermined symbol is seen on viewing the mask from the far side, while when the source is in a second position the apertures of a second group are illuminated and a different predetermined symbol is displayed. The source may comprise a single movable electric lamp or a spot on the screen of a cathode-ray tube; preferably, however, it comprises a square array of electric lamps which may be selectively illuminated to vary the position of the source. In this latter arrangement more than one lamp may be lit at one time, so as to display more than one symbol simultaneously. It is stated that the displayed symbol may be projected on to a screen.
Patent GB-944626-A (GB)
Title: Combined electrode-separator member in or for reserve cells and method of making same
IPC: H01M50/463
Filed: 1961-07-27
Abstract: 944,626. Batteries. SERVEL Inc. July 27, 1961 [Aug. 2, 1960], No. 27223/61. Heading H1B. Separators 2, Fig. 2, in the form of plastics filaments, preferably of nylon, are stuck to electrodes 1 of a cell. A battery comprises a stack of bipolar electrodes, each comprising a magnesium or zinc cathode 3, Fig. 4, having a plurality of parallel filaments 4 on one side and a silver or silver plated copper foil 5 on the other side which electrically connects the cathode 3 to a silver chloride or cuprous chloride anode 6. The bipolar electrode stack is enclosed between paper boards 8, 9 and tapes 10 and 11. In Fig. 5, not shown, filaments are stuck to both sides of each bipolar electrode and are arranged perpendicularly so that adjacent bipolar electrodes are separated by two sets of separators. In Fig. 6, not shown, one element of each bipolar electrode is corrugated, the corrugations acting as spacers in place of one set of filaments. The combined electrode and separator is made by passing a plurality of filaments through a tank of adhesive, applying them in parallel relation to a moving stock strip of electrode material, and passing the strip under heat lamps to set the adhesive. The electrolyte may be sea water.
Patent GB-783931-A (GB)
Title: Improvements in and relating to control of electric fans
IPC: H05B1/02
Filed: 1955-09-23
Abstract: 783,931. Screw fans. GENERAL ELECTRIC CO. Sept. 23, 1955 [Sept. 27, 1954], No. 27236/55. Class 110 (1). [Also in Group XXXV] In a control system for an electric fan, a composite manual control mounted on the fan casing allows adjustment of the speed of the fan motor and an ambient temperature thermostat in the fan motor circuit. The setting of an ambient temperature-control knob 130, Fig. 5, mounted externally on the fan casing 14 causes the rotation of a cam sleeve 74 to set a thermostat unit 10, Fig. 3. Unit 10 is mounted on a plate 36 fast with the rear member 22 of a channel bracket 12 comprising also flanged side members 12 bolted to casing 14, and its spring contacts 60, 58 in the fan motor circuit are mounted in an insulating block 54 flexibly attached to a fixed bracket 44. A member 66 fast with contact 58 bears on a bi-metal strip 38 with a pressure determined by the positioning of a member 48 fast with block 54 by rotation of cam sleeve 74, whereby movement of bi-metal 38 will be sufficient to open contacts 60, 58 at a temperature set by knob 130 and thereby stop the fan motor. The setting of a fan motor speed control knob 118 mounted concentrically with respect to knob 130 causes the rotation of a coupling 120 by means of a shaft 116 passing through sleeve 74 and the rear channel member 22, whereby a switch arm 106 is rotated relative to a fixed member 94 so that its contact 108 makes with one of a plurality of contacts such as 100 to insert a value of impedance in the fan motor circuit corresponding to the desired set speed. An abutment 110 on the springy end of switch arm 106 coacts with holes in member 94 to improve the switching action.
Patent GB-1040955-A (GB)
Title: Automatic exposure calibration adjustment
IPC: G03B7/18
Filed: 1963-07-10
Abstract: 1,040,955. Exposure control for photographic cameras. EASTMAN KODAK CO. July 10, 1963 [July 19, 1962; Jan. 18, 1963], No. 27274/63. Heading G2A. A photographic camera, for example a cinematographic camera, comprises an automatic exposure control system; a manually operable film speed adjustment device and overdrive means coupled to the device to set for a slight over exposure or under exposure or normal exposure of the film, as desired. In the embodiment shown, with known automatic exposure control means (not shown) a baffle 23 is moved in front of the photocell 15 by means of a lever 27 and a manually rotatable disc 17, coupled to a member 41 with an index 19 which moves relative to a disc 21 carrying film speed readings. Disc 21 is fixed to an overdrive ring 49. During film speed setting, ring 49 is held stationary with pin 59 urged by spring 67 into hole 62 in a plate 64 on the camera housing, and projection 34 radially resiliently mounted on member 41 by means of slot 45 moves from one notch 47 in ring 49 to another. If the photographer wishes to over or under-expose the film slightly he then depresses ring 49 to free pin 59 and rotates it until pin 59 engages hole 63 or 61 respectively. During the movement member 41, disc 17 and baffle 23 are also moved.
Patent GB-825862-A (GB)
Title: Electrochemical method for coating steel surfaces and the product thereof
IPC: C25D11/38
Filed: 1956-09-06
Abstract: 825,862. Protective coating of ferrous products by electrolysis. UNITED STATES STEEL CORPORATION. Sept. 6, 1956 [June 22, 1956], No. 27373/56. Addition to 745,676. Class 41. The method of the parent Specification is modified by extending the hexavalent chromium ion concentration range to 0.3 to 2.1% by weight and the phosphate radical concentration range to 1 to 8.4% by weight while maintaining a pH of from 1 to 2, the current density employed being from 15 to 90 amps./sq. ft. The preferred temperature is between 120 and 140 F. The cathodic treatment of the invention may be followed by an anodic treatment under similar conditions.
Patent GB-212848-A (GB)
Title: Improvements in flat paint brushes
IPC: A46B9/08
Filed: 1923-11-01
Abstract: 212,848. Coxson, A. H. Nov. 1, 1923. Bristles, bridles for.-A paint or like brush is provided with a stretcher comprising two metal strips a secured at the outer edges of the brush and spaced apart by metal rods b the ends of which pass through holes in the strips and are formed with enlargements b<1>. The strips are formed with nicks a' to facilitate breaking the strips when the bristles wear down. The bristles are bound by wire binding c and by cord bridles d<1>, d<2>, the binding being prevented from displacement by the projecting end of the rods b and by kinks a<2> formed on the strips a.
Patent GB-761629-A (GB)
Title: Electric battery construction
IPC: H01M50/209
Filed: 1954-09-22
Abstract: 761,629. Batteries. MALLORY BATTERIES, Ltd. Sept. 22, 1954 [Sept. 22, 1953], No. 27424/54. Class 53. A battery comprises a number of primary cells accommodated in openings in insulating trays 11, 12, 13 covered on each side with an insulating sheet 30, 31, the whole being enclosed in a wrapper 22 and secured by rivets 18. The terminals of each tray unit are secured to sockets at one of the narrow ends of the tray and various connections between the trays can be made by means of plugs 88 carried by a plate 72 made up of laminations between which are conductors 91 connecting certain of the plugs together. Fig. 4 shows one of the trays with the connectors between the cells and spring connectors 55 connected to some of the cells and adjacent to slots 51 cut in the top edge of the tray. These slots form the sockets to receive the plugs on the plate 72. To join the cells together the connectors are first placed in correspondingly shaped recesses 160 formed on the inner faces of the sheets 30, 31. The recesses have perforations extending to the outer faces of the sheets and when the sheets have been placed in position welding electrodes are introduced through the perforations to bear against the connectors and weld them to the cells. A single tray unit can be used as a battery or several trays may be connected together as in Fig. 2. The openings in the trays to receive the cells are cylindrical, but each is of two different diameters and the cells are of corresponding shape as shown in Fig. 6.
Patent GB-1434812-A (GB)
Title: Casing especially for sectional heating boilers
IPC: F24H9/02
Filed: 1973-06-08
Abstract: 1434812 Boiler casings RAPIDO-DINSING- WERK GmbH 8 June 1973 [8 June 1973] 27501/73 Heading F4A A container or casing, particularly for sectional boilers, is formed of substantially U-shaped strip sections 10 butted flange to flange to form the walls of the casing, corner strips 11 having webs 15 forming the corners of the casing and at least one top cover made up of individual cover strips 12. The wall strips may be the same width as the boiler section and an inner heat insulating layer may be provided on the strips and top cover(s). Suitable bayonet joints may be provided (Figs. 7 or 10, not shown) to allow the strip sections to be suitably fastened together.
Patent GB-1447501-A (GB)
Title: Grass-cutting machines
IPC: A01G3/06
Filed: 1973-06-08
Abstract: 1447501 Lawn edge trimmer SISIS EQUIPMENT (MACCLESFIELD) Ltd 6 June 1974 [8 June 1973] 27505/73 Heading A1F By pivoting a lever 28 in the direction shown on a grass cutting machine for trimming edges, ground rollers 16 can be pivoted on a frame 20, supporting a guide plate 26, rotary reversible blades 14 and a motor for driving the blades, from an operative position (full line), where they are above the level of the guide plate 26 and the operative extent of the rotary blades 14, to a transport position (dotted lines) where the rollers 16 are below the level. A pin 30 on the lever 28 is engageable in holes 32 so allowing variability in the working height.
Patent GB-1426119-A (GB)
Title: Flexible printed circuit switches and switch operated logic devices
IPC: G06F3/02
Filed: 1974-06-21
Abstract: 1426119 Component assemblies; electric switches AMP Inc 21 June 1974 [5 July 1973 27533/74 Headings H1R and H1N In an electronic logic device, e.g. as shown a pocket calculator, interconnectible contacts for switching comprise contact pads 3 connected to power supply contacts 5, and a 4 Î 4 array of contacts 6 on the same surface of flexible insulating substrate 1, the substrate being folded about a spacer 14 whereby contacts 3 and 6 face each other through apertures in spacer 14. Depression of keys 21 aligned with the apertures flexes the substrate to cause interengagement of contacts 3 and 6, the resilience of the substrate providing the return action. Spacer 14 may also be resilient, e.g. of foamed rubber. The circuitry includes an integrated circuit chip 11 mounted on contacts 8, 9, a display device comprising light-emitting diodes connected to contacts 10 and battery 24. As shown, the substrate is further folded under platform 20. Fig. 1 illustrates continuous production of a plurality of flexible circuits, the assembly being cut up into individual circuits.
Patent GB-969697-A (GB)
Title: Pipe lining machine
Inventor: SMITH JOHN NESBITT
IPC: B05C7/08
Filed: 1962-07-18
Abstract: 969,697. Reels. WILLIAM PRESS & SON Ltd. July 16, 1963 [July 18, 1962], No. 27627/62. Heading B8M. [Also in Division E1] On a trailer 2 there is mounted a unit, for the in situ lining of pipes with cementitious or other protective material, including a reel 32 on which is wound a hose 44 and an electric cable connected thereto. The hose is connected via a rotatable coupling 40 and a pump 24 (Fig. 1, not shown) to a source of cementitioua material, and the electric cable to a slip ring assembly 38. A cable 27, for pulling the hose and electric cable through, and then back through, the pipe to be lined, is wound by means of a rope spreader 60 on a drum 28. Motors are provided for driving drum 28 and reel 32 through gearboxes and speed reducers. A hand crane 46 may be used to lift the distributing head, which applies the lining material to the inside of the pipe, on to the trailer.
Patent GB-187232-A (GB)
IPC: C01G37/10
Filed: 1922-10-12
Abstract: Ferrochromium is dissolved in sulphuric or hydrochloric acid, and an alkali hydrate or carbonate or an alkaline earth hydrate is added in quantity sufficient to precipitate the chromium as hydroxide free from iron.  The precipitate is washed, and dissolved in sulphuric acid, and potassium sulphate is then added to produce chrome alum.
Patent GB-1340896-A (GB)
Title: Colour television receiver
IPC: H04N11/16
Filed: 1971-06-14
Abstract: 1340896 Colour television receiver GENERAL CORP 14 June 1971 [29 Jan 1971 2 March 1971] 27731/71 Heading H4F In a PAL system colour television receiver the R-Y colour signal, whose modulation axis is phase reversed at line frequency, is demodulated by providing an offset subcarrier of a frequency which is phase modulated before it is used to demodulate the R-Y colour signal with a sawtooth wave at the horizontal scanning frequency f H . With this arrangement the required inversion of phase on alternate lines of the reference subcarrier used to demodulate the R-Y signal is produced without using a PAL switching circuit. The offset subcarrier oscillator is synchronized with one of the sidebands (preferably one of the first sidebands) of the colour burst signal which comprises a swinging burst. The reference subcarrier of frequency f sc  generated by a second oscillator synchronized by the separated burst signals, which is used to demodulate the B-Y colour signal (whose modulation axis is not phase reversed) is maintained at  90 degrees to the R-Y reference subcarrier by an automatic phase control in which a square wave control voltage is derived as a result of phase detection between the two reference subcarriers, one being phase shifted by a suitable angle, e.g. 45 degrees. A reference subcarrier generator circuit is described which comprises a burst amplifier incorporating a crystal filter having a resonant frequency of f SC  + ¢f H  and a high Q-value so that only the sideband of frequency f SC  + ¢f H  is passed and amplified. This circuit may be modified to comprise a ringing oscillator incorporating the crystal filter.
Patent GB-302760-A (GB)
Title: Improved needle receptacles associated with gramophones
IPC: G11B3/54
Filed: 1927-10-19
Abstract: 302,760. Samuel &. Sons, Ltd., B., and Cozens, G. A. Oct. 19, 1927. Attachments f o r storing needles. - A gramophone needle tray is adapted to be projected automatically from or pushed back into a covering located in any convenient position on the motorboard, when the lid of the machine casing is opened or closed. The needle tray may be mounted on or under the mctor - board so that it can be projected through an opening in the side of the casing. In the construction shown, a tray 1 is pivoted, under the control of a spring 8, on a pin 2 in a cover 3. When the lid 7 of the casing is open, the spring projects the tray through a slot 15 in the side of the casing. On closing the lid, a stay 11 connected to the lid bears against the tray and thrusts it back under its cover. A plate 16 on the lid then covers the slot 15. When the casing has a hinge such as is described in Specification 287,751, [Class 65 (ii), Hinges &c.], the edge of a hinge plate may be used to thrust back the needle tray.
Patent GB-339679-A (GB)
Title: Improved traversing-means for yarn-winding machines
IPC: B65H54/48
Filed: 1929-09-13
Abstract: 339,679. Universal Winding Co., (Assignees of Reece, F. A.). Feb. 25, 1929, [Convention date]. Winding-machines.-In a machine for winding yarn, thread, wire, or similar strand materials into a package in which the yarn etc. is traversed by being guided in a groove in a rotatable member having two oppositely directed helical grooves crossing one another and connected together at their ends to provide a continuous path for the yarn, means for compulsorily guiding the yarn &c. are provided at the crossing points of the grooves. The yarn traversing roll 15, Fig. 7, comprises two oppositely directed helical grooves 35 and 36 connected together at their ends, and crossing one another at different depths. The projecting portion formed where the grooves cross is chamfered on the appropriate edge, as at 37, so that the yarn is not diverted into the wrong groove. The roll is preferably constructed from a cylinder of steel, hardened, and fitted with end discs 30. In a yarn-winding machine the yarn y, Figs. 1 and 3, rests in the groove 36 cut in the traversing roll 15, and is guided on to the cop tube T, which is supported by a bracket 24 and rests on the drive roll 14. The roll 14 may be dispensed with and the yarn-traversing roll be used for driving as well as for guiding the yarn. The bracket supporting the yarnreceiving means is constructed so that different shaped packages may be employed. The pillar 16 supports a short horizontal bar 18, on which is pivoted the forked arm 20, which is retained in place by the collar 21. At the outer end of the arm 20 is a bearing. 23 in which an auxiliary arm 24 is swivelled, thus allowing the surface of the package to be in contact with the drive roll along its entire length.
Patent GB-269421-A (GB)
Title: Apparatus for twisting threads
IPC: D02G3/28
Filed: 1926-11-05
Abstract: 269,421. Hirsch, A. D. Nov. 5, 1926. Spindle - apparatus; twist tubes.- A double twisted thread is formed from a preliminarily twisted thread b and an untwisted yarn g, the two being simultaneously fed axially to a holding point k on a rotating spindle c and thence over a common holding point m to a winding-up bobbin n. The bobbin a of thread b is carried on the spindle c, the thread b therefore reaching the point k unaltered. The yarn g passes over a guide pulley i and is twisted between the said point and the point k, the two threads b, g<1> then passing on to the bobbin n and being twisted together between the point k and the guide pulley m in a sense opposite to their individual twisting. The point k may be formed as a hole in the spindle c and to maintain tension the threads may be passed through a second hole o. The spindle is rotated by the wharl f and is provided with ball-bearings e. Two or more preliminary twisted threads b may be fed from the bobbin a.
Patent GB-350848-A (GB)
Title: Improvements in lock protectors for motor vehicles
IPC: E05B17/14
Filed: 1930-09-18
Abstract: 350,848. Keyhole covers. WERCKMEISTER, W., 26, Badenschestrasse, Wilmersdorf, Baden. Sept. 18, 1930, No. 27915. [Class 44.] A protective device for preventing unauthorized use of a motor vehicle having a keyhole d in the door handle comprises a tubular casing f adapted to slide on to the handle members b, c, a slot t being provided to allow passage of the handle stem a. The device is secured by a U-shaped member h, one limb of which is passed through slots u in the casing, a padlock (not shown) being then passed through apertures m. Member h prevents withdrawal of stem a along slot t. The device may have rounded or pointed extensions w, x to facilitate handling, and may carry a reflector s and be brilliantly coloured to attract attention when the car is being driven with the device in place.
Patent GB-1313011-A (GB)
Title: Pressure vessel internally divided by a deformable separator
IPC: F16J12/00
Filed: 1970-06-09
Abstract: 1313011 Welding by fusion GREER HYDRAULICS The 9 June 1970 [10 June 1969] 27948/70 Heading B3R A weld is effected between two parts 1, 2 by spacing the parts by means of their abutment with a projection 6 on a backing ring 4 located internally of the parts, and fusing the projection 6 into the weld seam 7 the parts 1, 2 being elements of an hydropneumatic accumulator whose flexible diaphragm 5 is vulcanized on to an inwardly-curved lower rim of the backing ring. The projection may be a continuous peripheral rib of approximately triangular crosssection; alternatively, it may be discontinuous. In another form (Fig. 2, not shown), a depression corresponding to the rib (6a) is formed on the ring interval periphery.