baber/WOPTO huggingface dataset:
Patent GB-734527-A (GB)
Title: Improvements in or relating to solutions of acrylonitrile polymers
Inventor: KOWOLIK ERNEST JAN
IPC: C08J3/09
Filed: 1952-10-20
Abstract: Acrylonitrile polymers containing a preponderating proportion of acrylonitrile are dissolved in solvent mixtures consisting of ethylene carbonate and 1,2-propylene carbonate, the ethylene carbonate constituting between 30 and 90 per cent of the mixture. Acrylonitrile polymers specified are polyacrylonitrile and copolymers with vinyl acetate, vinyl chloride, vinylidene chloride, beta-morpholino-ethyl vinyl ether, methacrylonitrile, methyl and phenyl acrylates, styrene, 2-vinyl pyridine, and 2-methyl-5-vinyl pyridine.  Films and fibres may be made by extruding or casting the solutions into a coagulant such as a carboxylic ester of boiling point above 250 DEG  C., as described in Specification 712,984, or alkylene and polyalkylene glycols and glycerol.  Specification 636,476 also is referred to.
Patent GB-958649-A (GB)
Title: Improvements in or relating to radar apparatus
Inventor: VOLES ROGER
IPC: H01Q3/20
Filed: 1959-07-31
Abstract: 958,649. Aerials; radar. ELECTRIC & MUSICAL INDUSTRIES Ltd. Aug. 2, 1960 [July 31, 1959], No. 26269/59. Headings H4A and H4D. The direction of the beam radiated from an elongated aperture 1, Fig. 1, is varied by deflecting the beam from an oscillating refractor or reflector member 2 disposed between the aperture and a concave cylindrical reflector 3 having a line focus 1A in a direction parallel to that of elongation of the aperture. As described the system causes the beam from a Foster scanning device to scan in elevation, the beam being simultaneously scanned in azimuth by the rotation in the waveguide feeding the horn 1 of a diametrally slit tapered cylinder which comprises the Foster type scanner. The member 2 may be continuously reciprocated by means of pivot pins 4 and 7 on wheels 6 and 8, or may be either intermittently or continuously oscillated about an axis 16, Fig. 2, the drive to the member being synchronized with that of the tapered cylinder of the Foster scanning device. The two echo signals received from a target which correspond to the displaced elevations of the beam may be displayed on a type B display, either as displaced dots so that equal dot brightness indicates the presence of the target in the median plane of the scanner, or superimposed to form one spot so that deviation from the median plane is indicated by flicker of the spot.
Patent GB-1468195-A (GB)
Title: Constructional parts manufactured from austenitic fe-cr-ni alloys
IPC: C22C38/40
Filed: 1974-06-13
Abstract: For the production of structural components and machine components which are exposed to temperatures above 800 DEG C in air combustion atmospheres, high-silicon, austenitic iron-chromium-nickel alloys are proposed. Owing to increasing the silicon content to 3.5 to 5.0%, these alloys do not show any sulphur sensitivity nor any embrittlement above 850 DEG C in such atmospheres. The alloys consist of 0.01-0.25% of C, 3.5-5.0% of Si, at most 2.0% of Mn, 17.0 to 20.0% of Cr, 14.0-18.0% of Ni, at most 0.2% of N and 0 to 2.0% of Nb, the remainder being iron and impurities.
Patent GB-685127-A (GB)
Title: Improvements in or relating to the manufacture of riboflavin
Inventor: VERRILL KENNETH JOSEPH
IPC: C12P25/00
Filed: 1949-10-13
Abstract: The content of riboflavin in residues from fat extraction processes for the manufacture of wheat germ oil or maize oil or soybean oil is increased by using such residues directly as constituents of mashes for the submerged culture of Eremothecium Ashbyii.  During fermentation the mashes are used at a pH of about 7 and the temperature maintained between 25 DEG  and 30 DEG  C. and preferably sterile water-saturated air is supplied.  Specification 685,128 is referred to.
Patent GB-1125858-A (GB)
Title: Improvements in or relating to cord circuit arrangements
IPC: H04M9/00
Filed: 1967-06-07
Abstract: 1,125,858. Interconnection systems. TELEFONAKTIEBOLAGET L. M. ERICSSON. 7 June, 1967 [7 June, 1966], No. 26384/67. Heading H4K. In an office telephone system comprising two or more groups in each of which a main station A1, A2 may be connected over an individual link to one or more subordinate stations B1, B2, for example, by the actuation of keys, the feed circuits of the links are separated by pairs of capacitors, and inter-group trunks F1-F2 are connected between them by the actuation of calling and answering keys T1, T2. The rectifiers L1, L2 in the calling circuits produce no attenuation of speech.
Patent GB-461910-A (GB)
Title: Improvements in or relating to the selectivity control in radio receivers
IPC: H03G5/26
Filed: 1935-09-24
Abstract: 461,910. Wireless receiving circuits. COLE, Ltd., E. K., and HUNT, H. Sept. 24, 1935, No. 26386. [Class 40 (v)] The selectivity of a radio receiver is controlled by a switch opened or closed in dependence on received signal intensity. The coupling circuits 1, 2, between the local oscillator V1 and I.F. amplifier V2 of a superheterodyne receiver comprise series resistances 4, 5, the connections of which are brought to the contacts A, B, C, D of a relay 3 in the cathode return of the valve V2, the grid bias and impedance of which are controlled by A.V.C. voltages. With a strong signal the anode current of V2 is low and the relay is de-energized, the contacts being open ; with a weak signal the relay operates to close the contacts and short-circuit resistances 4, 5. An over-riding manual control may be provided at 7. Alternatively, the relay 3 may switch in an auxiliary circuit between circuits 1 and 2 to act as an absorption circuit; or the resistances 4 and 5 may be varied in steps by switch contacts operated by the tuning knob so that the selectivity is appropriate for the station tuned in. Reference has been directed by the Comptroller to Specification 252,764, [Class 40 (v)].
Patent GB-158089-A (GB)
Title: Improvements in and relating to mechanically propelled vehicles
IPC: B62D61/08
Filed: 1919-10-28
Abstract: 158,089. Stanbridge, H. Oct. 28, 1919. Wheel forks and like structures.-Each wheel is mounted in a pair of twin levers b<1> pivoted to the vehicle body at their forward ends and carrying a pivoted pin at their rear ends which engages a lug a<9> on the body through the medium of opposed springs b<6>, b<7>. The front driving and steering wheel is mounted similarly on a turntable.
Patent GB-362001-A (GB)
Title: Remote control device for radio receiving sets
IPC: H03J5/14
Filed: 1930-09-04
Abstract: 362,001. Wireless receiving apparatus. KOLSTER-BRANDES, Ltd., Cray Works, Sidcup, Kent.-(Assignees of Clement, L.M. ; 42, Pollard Road, Mountain Lakes, New Jersey, U.S.A.) Sept. 4, 1930, No. 26430. Convention date, Oct. 16, 1929. [Class 40 (v).] Relates to means for controlling the tuning of a wireless receiver, either by means of switches mounted on a remote-control panel which may be located on the arm of a chair or at any other convenient point, or by means of similar switches arranged on the receiver itself. According to the invention, a commutator-switch is mounted on the motor-driven shaft of the main tuning-control and is arranged to open the driving circuit at one or more pre-selected settings. Volume control is effected by regulating the voltage on the screening- grid of the amplifier valve, either at the set or remotely ; whilst flash-lamps indicate on the set and on the remote-control panel (a) when the set is energized, and (b) the period during which tuning is taking place. The loud-speaker is shortcircuited during the operation of tuning. The complete equipment is shown in Fig. 1 comprising the receiver A, rectifier C, low-frequency amplifier B, moving-coil sneaker D, motor-unit F, relay unit G, all in more or less close association with the receiving set, and a distant-control panel E. A gramophone pick-up may be inserted across the terminals 45. When a selected button-switch 56 on the remote-control panel is pressed, the motor 30 also shown in Fig. 2, rotates a split-ring commutator 27 which is mounted on the tuning-condenser. shaft until the corresponding contact 28 mounted on a fixed plate 80 comes against the insulation gap, thereby breaking the motor circuit and leaving the tuning-condensers set to the required broadcast transmission. The drive from the motor is transmitted through gears 66, 67, Fig. 2, to a shaft 68, which is coupled to the tuning-condenser spindle through a belt 79. This drive is only effective so long as a pin-wheel 69, splined to the shaft 68, is in gear with the wheel 67, a connection which is maintained by the action of a pivoted armature 71 and a relay coil 34. When the coil 34 is de-energized, a spring 70 disengages the gears 67, 69 so that the tuning-condenser can be manually controlled from a knob on the receiverpanel. The pre-selector contacts 28, shown separately in Fig. 5, are initially adjusted to the correct position on the plate 80, and are then screwed firmly in place. The motor 30 rotates in the forward or reverse direction according as the fieldwinding 31 or 32 is energized. The panel G includes a start relay 50 for energizing the set, a stop relay 51, a volume-control relay 52 for the remote-control panel, and a similar relay 53 for the receiver cabinet, together with a relay 54 for short-circuiting the loud-speaker during tuning- operations. A similar series of press-buttons to those shown at 56 on the remote-control panel are mounted on the receiver-panel. for direct preselection control of the set.
Patent GB-503469-A (GB)
Title: Improvements in radio-receiving apparatus
IPC: H04B1/16
Filed: 1938-09-10
Abstract: 503,469. Wireless receiving-apparatus. RADIOWERK HORNY AKT.-GES. Sept. 10, 1938, No. 26495. Convention date, Sept. 13, 1937. [Class 40 (v)] A mains-operated radio-receiver is provided with means, operated by the volume control, adapted, with reduced sound output, to save energy by connecting an impedance in the anode supply circuit before the filter circuit. The impedance may be variable with the volume control or may be fixed and arranged to be short-circuited by a switch operated by the volume control.
Patent GB-985494-A (GB)
Title: Improvements in viscosity gauges
IPC: G01N11/00
Filed: 1961-07-21
Abstract: 985,494. Viscosity comparators. F. L. GERIN. July 21,1961, No. 26612/61. Heading G1S. The apparatus is intended to compare the viscosity of a test liquid, e.g. engine oil, in a pressure circuit with a standard liquid. In the embodiment shown in Fig. 3 test oil under pressure enters the apparatus at 18 and passes into a lower chamber 46 where it enters hollow standards 38, 40 or a passage 41 and passes through orifices 42, 44 or a reducing valve 43 into an upper chamber 30, which houses a collapsible sac 36 containing standard fluid, and out through an outlet 20. Thus the fluid in the upper chamber is less than that in the lower chamber while test fluid under pressure is supplied to inlet 18 and the test fluid flowing past sac 36 equalizes the temperature of the test liquid and the standard liquid. The test fluid in the upper chamber 30 and the standard liquid in the sac 36 are connected by fittings 102, 108 with cylinders 34, 32 housing weights 48, 50 forming displaceable end walls to the cylinders 34, 32. Normally the pressure in the lower chamber 46 maintains the weights in the raised position and causes a valve 97 to obstruct orifice 42. When the pressure supply to inlet 18 is terminated valve 97 opens and test fluid passing through orifices 42, 44 start to equalize the pressure in the upper and lower chambers. The weights 48, 50 then fall drawing standard and test liquid respectively into cylinders 32, 34. The relative rates at which the weights fall are proportional to the viscosities. Nuts 52, 54 are provided on the weights 48, 50 and the quickest nut to fall touches a lever 51 and rotates it and its shaft 174 until the other nut engages the other end of the lever 51. Knife edges of the nuts are then forced into serrations on the lever 51 locking it at an inclination dependent on the relative viscosities of the liquids. This rotation of shaft 174 is transmitted to a pointer by a magnetic coupling. The sac 36 may be collapsed, Fig. 7, and the standard liquid replaced. Other embodiments are shown one, Fig. 26 having a container for the test fluid and a container for standard fluid formed with a common wall.
Patent GB-1455580-A (GB)
Title: Electrodeposition of chromium
IPC: C25D3/06
Filed: 1974-06-17
Abstract: 1455580 Chromium electro-plating ALBRIGHT & WILSON Ltd 26 Nov 1974 [13 Dec 1973 17 June 1974] 57872/73 and 26665/74 Heading C7B An aqueous electro-plating bath comprises a) Cr (III), b) formate or acetate, c) bromide and d) ammonium (which may be substituted, e.g. hydroxylammonium, hydrazonium and alkylammonium). Optional components are borate, Cl<SP>-</SP>, I<SP>-</SP>, F-, SO 4 <SP>-</SP>, alkali metal and alkaline earth cations, co-depositable metals e.g Fe, Ni, Co, Mn, W, wetting agents e.g. of the sulph (on) ate type, and anti-foaming agents e.g. octanol. The Cr (III) may be present as chloride, fluoride, sulphate,  formate or acetate; a sulphate bath may comprise a tanning liquor prepared by the SO 2  reduction of Na2 Cr 2  O 7 . The other anions/cations may be added as ions associated with the essential components, as conductivity salts or as acids or alkalis used to maintain pH 1-4. A plating temperature of 15-30‹C at 5 - 1000 ASF is specified. Plastics or metal substrates are used e.g. Al, Zn, ferrous metals, Ni or ABS resin. A carbon or platinized Ti anode is useful. Soluble Cr anodes should be avoided but a ferrous or Cr/Fe anode is useful when alloy plating. In one example a zinc substrate is plated successively with Cu, duplex Ni then Cr.
Patent GB-1505423-A (GB)
Title: Apparatus for dispensing open-topped containers in successive ordered groups
IPC: B65G59/10
Filed: 1975-06-24
Abstract: A receptacle magazine (4) of the apparatus has a plurality of shafts (6) for receiving in each case one stack of receptacles (14). A frame (10) which can move back and forth in the manner of a drawer is arranged beneath the magazine. The frame has sets of carrier strips (12a) which are arranged in pairs and on which in each case the lowermost receptacle of each stack rests by means of a flange (16). Behind the carrier strips there are provided separating strips (12b) which, on a horizontal movement of the frame, respectively engage over the flange of the lowermost receptacle of the stacks, separate the lowermost receptacle from the stack and convey it downwards onto a carrying plate (24) which is held beneath the frame by means of a bracket (28). All the holding means (26) of the carrying plate can thus be filled with one receptacle each by means of a displacement movement of the frame. <IMAGE>
Patent GB-1208782-A (GB)
Title: Manufacture of foamed polyamides
Inventor: ENGLISH GEOFFREY
IPC: C08J9/00
Filed: 1967-06-09
Abstract: 1,208,782. Foamed polyamides. IMPERIAL CHEMICAL INDUSTRIES Ltd. 13 May, 1968 [9 June, 1967], No. 26793/67. Headings C3C and C3R. Rigid polyamide foams are made by maintaining at a temperature above the melting point of the polyamide a mixture comprising the polyamide, a blowing agent and a surfaceactive agent whereby foaming occurs and then cooling below the melting point to solidify the polyamide. The polyamide may be polycaprolactam or polyhexamethylene adipamide. The blowing agent may be a carbonate, bicarbonate, oxamate, azide, hydrazide, azodicarbonamide or semi-carbazide, or a depolymerized polymer, e.g. polymethyl-methacrylate. The mixture may also contain a polymerization catalyst, e.g. cyclohexylphosphonic acid and a cross-linking agent which may be bishexamethylenetriamine or hydroxyhexamethylenediamine adipic acid complex. The surfaceactive agent may be an alkylphenol, alkanol or alkylamine containing at least 6 C atoms or a condensate thereof with an alkylene oxide, e.g. acetyl alcohol or octylphenol/ethylene oxide condensate or cetyltrimethylammonium bromide; or a block copolymer of a siloxane and an alkylene oxide.
Patent GB-942506-A (GB)
Title: An electrical connector
Inventor: SZAFRANSKI ROMAN
IPC: H01R13/26
Filed: 1961-07-25
Abstract: 942,506. Direct connections between conductors. THORN ELECTRICAL INDUSTRIES Ltd. July 25, 1961, No. 26914/61. Heading H2E. An electrical connector comprises two members 1 and 2, each of which is adapted to hold a bared wire and to be interlocked with the other connecting member in a manner to press the bare wires together. As shown, each member has a sleeve portion 14 formed with a tongue 10 having a longitudinal groove in which is laid the bored portion of a wire after introduction through a coaxial aperture 20 of the sleeve which receives the wire insulation. The end of the bared wire is folded over the end of the tongue 10 on to the first of two steps leading to the outer surface of the sleeve, the next step having an arcuate dimple 16 for engagement in a corresponding groove 17 formed on the inside surface of the sleeve opposite to the tongue of the other member when the members are pushed into interlocking engagement.
Patent GB-740758-A (GB)
Title: Bladed rotors for axial flow compressors, turbines, and like fluid flow machines
Inventor: HENSON JOHN
IPC: F01D5/30
Filed: 1952-10-27
Abstract: 740,758. Turbine and compressor bladed rotors. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. Dec. 23, 1953 [Oct. 27, 1952], No. 26975/52. Class 110(3) An axial-flow turbine or compressor rotor comprises a rotor disc and a row of hollow blades having their root ends flared out to form lateral flanges extending from each face, the flanges being seated on the peripheral surface of the rotor disc. a reinforcing strip being superimposed upon both the skirts of a blade, being pierced with a hole through which the blade protrudes and being secured to the rotor disc. The rotor comprises a pair of discs 1, 2 formed with peripheral flanges 1a, 1b and 2a, 2b, the discs being secured together. The blades 3 which may be lengths of tube of appropriate cross-section or may be formed from the folded sheet metal, are formed with flanges 3a. The reinforcing strip 4 is of channel section, the flanges 4a thereof engaging the rotor disc flanges 1b, 2b. The parts are secured by rivets 5, 6. The reinforcing strips may engage a plurality of blades, the blades being inserted into the strip before mounting on the rotor. In this case the channel section of the strip would be formed after assembly. Specification 718,138 is referred to.
Patent GB-887740-A (GB)
Title: Improvements in and relating to a method of manufacturing footwear
Inventor: EVINS DAVID EPHRAIM
IPC: A43D25/07
Filed: 1959-08-06
Abstract: 887,740. Moulding shoe soles. CONTOUR MOULDED SOLE PROCESS CORPORATION. Aug. 6, 1959, No. 26990/59. Class 87(2). [Also in Group VII] A method of manufacturing footwear comprises cutting an outsole blank 20 from sheet material, preferably plastic material, the blank being of larger size than the upper 12 to which it is to be attached, moulding the blank under pressure about the upper 12 mounted on a last 26 so that it conforms to the shape of the bottom face 30 of the upper and the adjacent side margins 109 alongside, removing the blank from the upper after a guide 108 has been marked at the outline along which the blank contacts the upper and applying adhesive to the upper over its bottom face 30 and adjacent side margins 109 to the guide 108, the blank 20 finally being adhesively secured under pressure to the upper. The blank 20, particularly where this is of plastic, may be pinked along its periphery 22 as this facilitates the conformation of the blank to the upper. Where the blank is of leather, this is not necessary. A transferable marking substance, e.g. chalk, may first be applied to the marginal portions 107 of the outsole blank 20, some of this being transferred to the lower margins of the shoe upper 12 when the blank is moulded. Adhesive may be applied to the face of the moulded blank confronting the upper as well as to the upper when the outsole is to be secured. Where a thermoplastic outsole blank is used, it should be heated prior to moulding to render it more pliable. The last-mounted upper 12 is placed in position in a mould, Fig. 10, comprising a housing 36 having a cover 38 between which is disposed a diaphragm 46. This diaphragm is stretchable by the application of compressed air through conduit 54 to mould the blank 20 placed between it and the upper 12. The walls 62, 64 of the housing 36 slope inwards towards the bottom 65 for the purpose of directing the expansion of the diaphragm 46 laterally towards the upper.
Patent GB-242283-A (GB)
IPC: F27D11/02
Filed: 1925-10-28
Abstract: 242,283. Siemens - Schuckertwerke Ges., (Assignees of Heraeus-Vacuumschmelze Akt.-Ges., and Rohn, W.). Nov. 1, 1924, [Convention date]. Resistance furnaces.-A continuously operating furnace comprises a metal heating chamber 1 enclosed in an air tight casing 2 and a heating element 5 situated between the two, a protective gas being passed separately or consecutively through the space containing the heating element and the heating chamber. The latter may consist of an iron tube extended to form a discharging chamber 4 provided with a sand seal 2, and a chamber 3 into which the articles to be heated are charged. The space around the heating element is packed with insulating material 6. The casing 2 may be insulated with asbestos 8 or kieselguhr. With a protective gas lighter than air the furnace is inclined with the chamber 4 uppermost and the chamber 3 open to the atmosphere. The expansion of the metal chamber may be utilized to control the current.
Patent GB-487743-A (GB)
Title: Improvements in surgical and medical plasters
IPC: A61F13/02
Filed: 1937-10-07
Abstract: 487,743. Adhesive dressings. MATHER, Ltd., W., and BERRY, E. Oct. 7, 1937, No. 27172. [Class 81 (ii)] In surgical dressings comprising a medicated pad B secured to an elastic or non-elastic tape or fabric strip A coated with adhesive, the adhesive is applied over the whole strip in a series of stripes a, having uncoated stripes b, of smaller or greater width, between them, permitting ventilation. The stripes may run warpwise, weftwise, or obliquely on the fabric strip, or be sinuous, and the pad may extend entirely or only partly across the width thereof.
Patent GB-718114-A (GB)
Title: Improvements in bricks or building blocks
IPC: E04B2/28
Filed: 1951-11-20
Abstract: 718,114. Building blocks. THOMAS, R. E. Dec. 18, 1952 [Nov. 20, 1951], No. 27188/51. Class 87 (1) A building block is formed in its upper and lower faces with one or two recesses a interconnected by an aperture or apertures d which open at e into recesses c in the ends of the block. In a modification the apertures are of Y- instead of T-form. In a corner block, one aperture opens into a recess in a side face. The edges of the blocks may be bevelled and recesses may be provided at the edges of the top face to receive metal tie members for cavity walls.
Patent GB-171017-A (GB)
Title: Improvements in or relating to the manufacture of cutlery
IPC: B21H7/10
Filed: 1920-09-24
Abstract: 171,017. Innocent, J. A. Sept. 24, 1920. Cuttlery and like blades.-In making cutlery or like blades, a strip of metal is rolled to produce the transverse and longitudinal taper simultaneously. The strip of metal is preferably equal in thickness to the thickest part of the blades or to the bolsters if such are required, or a strip rolled with transverse ribs to form the bolsters may be used. The width of the strip is slightly greater than the width of two blades, and its length sufficient to form, when rolled out, a number or only one pair of blades. The die face of the rolls is preferably adapted to form two blades, but may form a number of pairs side by side with cutting-edges A adjacent and also handles or tangs C and bolsters D, the metal preferably being rolled towards the point of the blades. The end of the strip may be shaped to assist entry between the rolls. The blanks are then cut out and finished as usual.