baber/WOPTO huggingface dataset:
Patent GB-1230164-A (GB)
IPC: F16H19/02
Filed: 1968-04-05
Abstract: 1,230,164. Drilling machine details; grinding. DUMORE CO. 5 April, 1968 [5 April, 1967; 16 Feb., 1968], No. 16598/68. Headings B3C and B3D. [Also in Divisions D1, E2 and F2] A friction gear for converting rotation into linear motion in a direction parallel to the axis of said rotation comprises rollers 15 engaging a shaft 10 and mounted in a housing 11 so that each roller is pivotable about an axis radial to the axis of the shaft, relative rotation between the shaft and the housing causing relative axial movement between the shaft and the housing, the conversion ratio being controlled by steering means which gives simultaneous identical pivoting of the rollers about said radial axes. Each roller 15 is the outer race of a ball-bearing 21 supported in a cylindrical block 13 by a pin 14. Each block 13 is rotatably housed in a radial bore in the housing 11 and is urged towards the shaft 10 by an adjustably loaded spring washer 19 acting through a thrust bearing 17. The pins 14 extend through circumferential slots 24 in the housing 11 to engage in radial slots 29 in a control plate 30 rotatable relative to the housing 11. Two or more of the gears can be used in parallel on a common shaft. An automatically controlled drill, Fig. 7, uses two of the friction gears for the drill feed drive. A motor 38 rotates the shaft 10, and the gear housings are secured to a slide 45 which supports the drill spindle 47. A bar 40 rigidly interconnecting the control plates of the friction gears carries a roller follower 42 which is caused by known means to follow the periphery of a cam slot 44 so that the inclination of the gear rollers is reversed at regular intervals. The drill spindle is thus fed and withdrawn automatically. A pillar drill (Fig. 9, not shown) uses a manually controlled friction gear (69) with a fixed housing to feed the drill spindle (67), which forms the shaft of the friction gear. In Fig. 10, the work-carrying table 80 of a grinding or sanding machine is reciprocated by two friction gears 83, 84 having fixed housings. A motor 82 rotates the shaft 81 of the gears, this shaft being carried by the table 80. As the table reaches each limit (adjustable) of its travel, a cam 86 or 87 on the table acts on the friction gear control to reverse the inclination of the rollers, and hence to reverse the table. The grinding wheel 77 is manually adjustable by a wheel 79.
Patent GB-1231826-A (GB)
IPC: B01J29/08
Filed: 1968-07-19
Abstract: 1,231,826. Hydrocarbon conversion catalyst. ESSO RESEARCH & ENG. CO. 19 July, 1968 [31 July, 1967], No. 34615/68. Heading B1E. A hydrocarbon conversion catalyst comprises a crystalline aluminosilicate zeolite and a clay, the clay dispersed into a highly subdivided state prior to its incorporation into the composition, the degree of subdivision being such as to cause about 40 to 95% of the clay particles to have a particle size less than 0.3 microns. A siliceous gel or cogel may also be present in the zeolite matrix and suitable cogels include silica -Al 2 O 3 , -MgO, -ZrO 2 , -ThO 2 , -BeO, -TiO 2  and ternary combinations of these. The zeolite may be natural or synthetic and cations may be from Groups IB to VIII and the rare earths, with Na, NH 4 +, Ba, Ca, Mg, Mn, Sr, Zn, Zr and various rare earths being specified. Suitable clays are from the groups halloysite, illite, kaolinite, montmorillonite and polygorskite and a multitude from these groups are specified. Various metals may be deposited on or in the zeolite matrix including Pt, Pd, Ni, N, Co and Mo. Dispersion of the clay is accomplished by the addition of inorganic salts such as alkali metal phosphates, carbonates and silicates. Various methods are detailed both for the preparation of the zeolite-clay (-silica gel or cogel) matrix and the zeolite itself.
Patent GB-1239762-A (GB)
IPC: C01G25/06
Filed: 1967-09-13
Abstract: 1,239,762. Basic zirconium sulphate; ZrO 2 . FABRIQUES DE PRODUITS CHIMIQUES DE THANN ET DE MULHOUSE. 10 Sept., 1968 [13 Sept., 1967], No. 41862/67. Addition to 1,060,223. Heading C1A. Basic zirconium sulphate is made by treating a sintered sodium silicozirconate mass with a hydrochloric acid solution which does not contain both sulphuric acid and fluoride ions at a temperature of 25-60‹ C. to form a colloidal solution, the molar ratio of HCl to silicozirconate (reckoned as ZrO 2 , Na 2 O, SiO 2 ) being at least 3: 1 and the concentration of zirconium (reckoned as ZrO 2 ) being subject to a temperature dependant maximum defined by a curve (not shown) and the colloidal solution is then heated to a temperature of up to 55‹ C. in the presence of sulphate and fluoride ions to precipitate the basic sulphate. The silicozirconate is preferably treated with a 5-40% molar excess of hydrochloric acid solution and the solution is suitably diluted to 25-30 g./l. before addition of the sulphate and fluoride ions. The sulphate ions are preferably added in amounts of 0.5 mol. and fluoride ions in amounts of not more than 0.5 mol. per mol. of zirconium. The basic sulphate may be calcined to give the oxide or may be converted into the zirconium salts.
Patent GB-1252928-A (GB)
IPC: H01H61/02
Filed: 1968-02-20
Abstract: 1,252,928. Resistance heaters. EMI Ltd. 11 Feb., 1969 [20 Feb., 1968], No. 8092/68. Heading H5H. [Also in Divisions F1, G1 and H1] An electric heater for a temperature sensitive control device comprises a ceramic support 11, e.g. of alumina or beryllia, a resistive coating 12 spaced terminals 13, 14 on the support, the coating 12 being bonded to the support and the terminals 13, 14 being bonded to the coating 12 by firing. The coating 12 which is predominantly palladium oxide containing a glass frit bonding agent, and the terminals 13, 14 which comprise one of the following alloys i.e. palladium-gold; platinium-gold; or palladium silver containing and a glass frit bonding agent, are applied as inks. One or both sides of the support may carry a heating element which may be protected by an air-tight glass coating. The side of the heater adjacent the temperature sensitive element may be provided with a coating to improve its thermal radiation. The heating coating 12 may be shaped to provide a desired heat pattern, Figs. 2b, 2c, not shown, and may comprise a meander pattern of variable pitch. In Figs. 3 and 4 (not shown) the heater comprises an annular resistive coating on a ceramic washer which contains a central axial pin to which the bimetallic element of control device is secured.
Patent GB-1257660-A (GB)
IPC: H01S3/093
Filed: 1969-05-05
Abstract: 1,257,660. Lasers. COMPAGNIE GENERALE D'ELECTRICITE. 5 May, 1969 [6 May, 1968], No. 22848/69. Heading H1C. In a continuously pumped solid laser, Fig. 1, discharge tubes are situated at the focal lines F1-F3 of a trielliptical reflector M1-M3, and a rod L of neodymium doped YAG is situated at the common focal line F, the discharge tubes being energized from a three phase supply so that the sum 14 of the outputs 11, 12, 13, Fig. 4, is substantially constant. The discharge tubes may be krypton or argon filled. In Figs. 2, 3 (not shown) the power supply is connected to the tubes in star and delta forms respectively.
Patent GB-1265574-A (GB)
IPC: B32B27/00
Filed: 1969-05-13
Abstract: 1,265,574. Laminated sheet material. CHEMIEFASER LENZING A.G. 13 May, 1969 [13 May, 1968], No. 24288/69. Heading B5N. A sheet material comprises a flat ribbon fabric, the weft and warp ribbons of which are monoaxially stretched, having bonded thereto by means of an adhesive, a polyolefin foil which has been stretched in at least one direction. A foil ribbon fabric is defined as being a fabric made by cutting a foil into ribbons, stretching the ribbons and weaving them into a loose fabric. The polyolefin foil may be monoaxially or biaxially stretched. The sheet material may comprise two polyolefin foils, the two foils being oriented so that the direction in which one has been stretched is substantially at right-angles to that of the other. In a preferred embodiment, the adhesive comprises an aqueous dispersion of a polyvinyl butyl ether and/or a polyacrylic ester and a low molecular weight polyethylene, the use of such an adhesive being stated to obviate the necessity of conditioning the polyolefin foil(s) prior to bonding.
Patent GB-1288641-A (GB)
IPC: D06M16/00
Filed: 1969-06-18
Abstract: 1288641 Cleansing pads STERLING WINTHROP GROUP Ltd 9 June 1970 [18 June 1969] 30966/69 Heading A4F [Also in Division A5] A pad for cleansing the anal region is impregnated with an aqueous composition containing at least 15 per cent (by weight) ethyl or isopropyl alcohol and also at least one anti-bacterial agent which is active against gram-negative bacteria, and the pad's provided in an impervious pack. Suitable anti-bacterial agents, which may also be active against gram-positive bacteria, include hexachlorophene and methyl benzethonium chloride cetyl trimethyl ammonium chloride, chlorhexidine, benzalkonium chloride, cetrimide and domiphen bromide. The composition may also include a non- ionic surfactant, a healing or growth promoting agent such as allantoin, a humectant, an emollient such as a water soluble lanolin derivative, a perfume, and the composition is preferably in the form of a solution substantially free of undissolved materials or dispersed phases and having a pH value in the range 5 to 7.5. The pad may be of viscose fibre bonded materials or crepe paper.
Patent GB-1288857-A (GB)
IPC: H03H11/24
Filed: 1970-11-16
Abstract: 1288857 Automatic gain control SIEMENS AG 16 Nov 1970 [17 Nov 1969] 54360/70 Heading H4R A variable attenuator circuit comprises a potential divider in which the series impedance between an input terminal and an output terminal is formed by the base collector impedance of a transistor 1 while a shunt impedance across the output terminals is formed by the collectoremitter impedance of transistor 2. The emitter of transistor 1 and the base of transistor 2 are commoned via a resistor 5 and a control potential U R  is applied thereto to cause inverse variation of the shunt and series impedances as the control potential varies. The attenuator may be connected at the input of an amplifier from the output of which the control potential U R  is derived. The two transistors may be formed as an integrated circuit.
Patent GB-1297766-A (GB)
IPC: G10D13/08
Filed: 1972-01-12
Abstract: 1297766 Sonorous bars J JAKUBOVICZ 12 Jan 1972 1528/72 Headings G5J and G5X A musical instrument comprises sonorous bars 3, a flexible band 7 having a musical staff 9 and notes 10 indicated thereon, a frame 6 supporting said band, an arrangement e,g. posts 5, for positioning the frame so that the notes are aligned with corresponding bars beneath, and a percussion arrangement, e.g. beaters 11, for striking the band at the notes to strike the bars and produce an associated sound. The frame 6 and band 7 define an opening 8 for emission of the sound. The frame and a box containing the bars may be rectangular as indicated or circular. The bars 3 are secured to support plates 4 by pins and felt washers. The flexible band 7 may be easily replaced by a similar band having a musical staff of different clef. Fig. 3 (not shown), indicates an arrangement having two sets of bars corresponding to the natural notes, altered notes respectively with the associated bands having the corresponding musical staffs and notes thereon.
Patent GB-1297988-A (GB)
IPC: A01D45/02
Filed: 1970-10-26
Abstract: 1297988 Maize harvester COMPANHIA PENHA DE MAQUINAS AGRICOLAS COPEMAG 26 Oct 1970 [21 Aug 1970] 50655/70 Heading A1F A machine for reaping and threshing maize comprises dividers 1 and cowl 35 to direct the plants towards a pair of rollers 7, 8 which carry interextending blades 9 and contra-rotate to pull the stems downwardly and break them to allow the auger 6, which is mounted above and parallel to the rollers 7, 8, to convey the cobs to the threshing rotor 15. The trash of straw and cobs is removed by suction fan 24 while the grain passes through seive 14 to the auger 16.
Patent GB-1308823-A (GB)
Title: Intra uterine device
IPC: A61F6/14
Filed: 1970-04-20
Abstract: 1308823 Intra uterine devices S SOICHET 20 April 1970 18739/70 Heading A5R An intra uterine device comprises resilient inert metal wires 20 joined together at one of their ends 33 to form a junction 34 and separated at their other ends, the separated ends of the wires 20 each being completely enclosed in enlarged rounded bodies 24 of plastics material or silicone rubber, and an extended plastics or silicone rubber tail G attached to and extending from junction 34. The upper ends of the two wires 20 may be curled outwardly and enclosed in half-ovoid plastics portions 24, the inner faces 26 of the portions 24 being flat, such that, on pressing the two portions 24 together an ovoid (27), Fig. 1 (not shown), is formed. The wires 20, preferably of stainless steel, are coated with a plastics material 31, and the tail G is preferably tubular. To facilitate insertion of the device into the uterus an injector (H) is employed, said injector (H) having a tube (K)-(J) wholly containing the device except for the ovoid (27), a plunger (L) being used to expel the device from the tube of the injector.
Patent GB-1310136-A (GB)
Title: Aquarium
IPC: A01K63/04
Filed: 1970-07-23
Abstract: 1310136 Aquaria MING FANG 14 May 1971 [23 July 1970] 35766/70 Heading A1A [Also in Divisions B1 and Fl] In an aquarium in which water is drawn from the bottom of the aquarium tank 1 through a tube 5 by air entering through a pipe 9 supplied from a manually or automatically operating pump (not shown), and returns to the tank 1 through a filter 8, a separating device 6 is provided which may be a grid, orificed plate or of porous material to allow only sedimentary impurities to pass through. The bottom of the tank 1 may be conical or pyramidal form. The filter 8 comprises a plurality of vertically spaced elements (11), Fig 3 (not shown).
Patent GB-1311349-A (GB)
Title: Transmission systems
IPC: H02H9/00
Filed: 1970-11-20
Abstract: 1311349 Transmission arrangements NAUCHNO - ISSLEDOVATELSKY INSTITUT POSTOYANNOGO TOKA 20 Nov 1970 55172/70 Heading H2H A D.C. transmission system comprising two parallel power conductors 1 each of which has associated therewith an earth or return wire 2, each of the return wires having a plurality of A.C. limiters 4 connected thereto at spaced intervals therealong and each limiter providing an A.C. path from its point of connection to the wire 2 to earth 3 thus to provide an A.C. short circuit path between the ends of a section of the wire 2, the arrangement being such as to reduce the magnitude of current and voltage harmonics in the power lines 1. Each limiter comprises three similar circuits connected to a common junction and each circuit comprises a parallel combination of a capacitor and resistor connected in series with an inductor all of which arrangements have an arc discharge gap in parallel therewith.
Patent GB-1313835-A (GB)
Title: Apparatus for playback of plural track records
IPC: H02P23/10
Filed: 1971-04-20
Abstract: 1313835 Control of speed L R DE BELL and D D PRICE 20 April 1971 10163/71 Heading G3R [Also in Divisions G4, G5 and H3] A multi-track magnetic tape (94) Fig.4 (not shown) comprises for each track, channel for information in analogue or digital form, and a control channel having recorded thereon a control frequency, nominally 2KHz. The channels for each track may be adjacent or the control signal may be modulated and both signals recorded in same channel. The tape is played back in reproducing apparatus including a track selector 116 comprising a manual selector switch, or a device controlled by unit 118, which may be the program of a tutoring unit, and, for the selected track, a retroactive speed control system making use of the control channel signal transduced by a recording head 102, ensures that the track is played back at substantially the recorded speed, which may vary from track to track on the tape. The control signal from track selector 116 is processed in units 138, 140, 142, 144 and 146 as shown, comprising a transistor circuit, Fig.6 (not shown). The nonlinear network 148, whose input is a D.C. signal corresponding to the reproduced frequency of the control signal, takes the form of an optical coupling arrangement between transistors (216) and (240) Fig.6, (not shown) via lamps (220, 222) and photo-resistors (224, 226), resistors (252, 256) being adjusted to set the non-linear character. The shaded pole forward drive motor 76 is energized by A.C. source (236) to winding (234), and its speed is controlled over a 10:1 range by a D.C. signal from amplifier 150 to speed control winding (238). A D.C. motor may be used. Audio equalisation: - The message information is transduced by head 98, and passed via units 124, 128 and 132 to loudspeaker 134. Unit 128 supplies equalisation which varies in character with tape speed automatically. Referring to Fig.7 (not shown) a signal (151) proportional to the current in the speed control winding of motor 76 energizes a lamp (304) optically coupled to a photo-resistor (290) in the feedback loop of an active equalisation circuit utilizing transistor (280). Figs.1-3 (not shown) display constructional details of the playback unit 10, which may have reels (12, 14), or accommodate tape cartridges. A photo-cell (44) indicates when the end of the tape is reached. Units 147 and 149 ensure that the energization of motor 76 is removed in the absence of the control signal. An A.C. rewind motor (68) Fig.1. (not shown) is provided.
Patent GB-1325132-A (GB)
Title: Air conditioning apparatus
IPC: F24F13/16
Filed: 1972-02-11
Abstract: 1325132 Air conditioning systems CONNOR ENG CORP 11 Feb 1972 6444/72 Addition to 1192632 Heading F4V An air conditioning system comprises a plenum chamber 3a, Fig. 2, having an air inlet connected to an air supply, and an outlet connected to a diffuser 10 in the ceiling of a room, the diffuser having a pneumatically operated, thermostatically controlled damper, a pneumatically operated damper 44 at the inlet to the plenum chamber controlled by a pressure sensitive device 46 to close the inlet damper when the pressure rises so that the pressure in the plenum and the velocity of air delivered remains substantially constant. The air source consists of a fan 1, the inlet opening to which is controlled in dependence upon the pressure in the duct 2 leading to the plenum. The diffuser, Fig. 3, consists of a cylindrical body 11 with a bell-shaped outlet 12a a damper 14 slides in the body 11 under the control of a pneumatic actuator 16 positioned within the air-supply duct. As the damper is lowered it restricts the outlet, resting, in the fully closed position, on a felt seal 30. The angle at which the air leaves the diffuser is variable by raising or lowering plate 20 within the bell 12a by means of nuts on supporting screws 22.
Patent GB-1332634-A (GB)
Title: Inflatable structure
IPC: B63B7/08
Filed: 1972-01-24
Abstract: 1332634 Inflatable boats M G HARTMAN 24 Jan 1972 3246/72 Heading B7A The inflatable part 10 of a collapsible boat is manufactured by providing a tube 19 with a knitted fabric envelope 22, inflating the tube until the fabric is stretched, and then applying a curable elastomeric coating 12 to the fabric. The coating penetrates the interstices of the fabric and adheres to the tube 19 which may itself have been previously coated with the same elastomeric material. The tube 19 may be made of polyurethane and the elastomeric material may be a composition containing chlorosulfonated polyethylene polymers in solution. The floor of the boat is formed by a knitted sheet 21 which is sewn to a flange formed by flattening a part of the envelope 22. The sheet 21 is covered by the coating 12.
Patent GB-1339326-A (GB)
Title: Display device
IPC: G09F13/06
Filed: 1972-03-27
Abstract: 1339326 Display devices DEWHURST & PARTNER Ltd 27 March 1972 [26 March 1971] 7929/71 Heading G5C A display device, e.g. a lift indicator board, has a face plate comprising a hard wearing facing 14 attached to a thicker backing of a softer material by means of adhesive, crimping or brazing. Apertures in the form of indicating symbols 10 are cut in the facing 14, and larger apertures as at 18 are cut behind them in the backing. Each symbol 10 is selectively and individually illuminated from behind and has a coloured translucent insert 20 in the aperture 18 behind it.
Patent GB-1342746-A (GB)
IPC: C09B67/20
Filed: 1971-11-26
Abstract: 1342746 Pigment dispersions IMPERIAL CHEMICAL INDUSTRIES Ltd 26 Nov 1971 [22 Dec 1970 14 June 1971] 60903/70 and 27768/71 Heading C3R A dispersion of an inorganic pigment or lake or toner in an organic liquid contains dissolved therein one or more polyesters or a salt thereof derived from a hydroxycarboxylic acid of the formula: HO-X-COOH in which X is a divalent saturated or unsaturated aliphatic radical containing at least 8 carbon atoms and in which there are at least 4 carbon atoms between the hydroxy and carboxylic acid groups, or from a mixture of such a hydroxycarboxylic acid and a carboxylic acid which is free from hydroxy groups. The polyesters used in the examples are prepared from 12-hydroxystearic acid optionally with stearic acid, ricinoleic acid optionally with oleic acid, and a mixture of 9- and 10-hydroxy stearic acids and dispersions are formed using such polyesters and various organic liquids (e.g. petroleum fraction, nhexane or perchloroethylene) and pigments (e.g. rosinated barium or calcium toner of an azo dyestuff).
Patent GB-1343903-A (GB)
IPC: F16L37/52
Filed: 1971-04-13
Abstract: 1343903 Pipe couplings TAYLOR & OSBORNE Ltd 2 March 1972 [13 April 1971] 9176/71 Heading F2G In a quick-acting valved coupling, the spigot 28 is tiltable, while sealed in annular seal 17, so as to be held against withdrawal by the interengagement of flange 34 with one of a number of banks 42. Longitudinal ridges 48 ensure that any tilting produces the interengagement. A second holding position (Fig. 3, not shown), with valve 30 closed, is provided by flange 32. The parts of the coupling may be of nylon or, where subject to wear of glass-filled nylon. Cup 30 seats in a rubber ring 17 and a stainless steel spring 20 may be omitted when the coupling is used for compressed air above 30 p.s.i.
Patent GB-1344613-A (GB)
Title: Surface displacement detection apparatus
IPC: G01P3/36
Filed: 1971-07-20
Abstract: 1344613 Photo-electric detection and measurement BRITISH AIRCRAFT CORP Ltd 11 May 1971 [12 Feb 1970] 6861/70 Heading G1A In an apparatus for detecting a departure of a monitored area of a surface from a datum plane 2A, Fig.2, two beams A. B derived by a beam splitter 6 from a source 1 of coherent light such as a laser are arranged to converge at a small angle and focus upon the datum plane at two spaced points 20, 21 in order to produce spatial optical fringe pattern in the scattered light, and any change in the pitch of the fringe pattern is detected to indicate a departure. The arrangement may indicate the occurrence of a departure, or its degree, and may be used to monitor the frequency and or amplitude of vibration of a transversely vibrating plane, an image dissector or an array of photo-diodes being used, and the frequency modulated signal produced by the frequency of vibration being demodulated. A pair of such apparatus may be directed at the surfaces of a running web in order to detect its thickness or a change in its thickness.
Patent GB-1348580-A (GB)
Title: Reconstituted-tobacco smoking materials
IPC: A24B15/12
Filed: 1972-05-16
Abstract: 1348580 Reconstituted tobacco composition BRITISH-AMERICAN TOBACCO CO Ltd 16 May 1972 [11 June 1971] 27523/71 Heading A2C The composition consists of or comprises reconstituted tobacco containing a filler consisting solely or largely of carbon. The proportion of filler should be at least 1 % by weight of the composition, preferably between 5 and 50%. The reconstituted tobacco consists solely or essentially of natural tobacco substances and may be formed into sheets by casting or a paper-making process, or may be extruded to form filaments. The web formed in the paper-making process may be impregnated with a concentrated aqueous tobacco extract.