baber/WOPTO huggingface dataset:
Patent GB-588340-A (GB)
Title: Improvements in curtain-supporting fixtures
IPC: A47H15/04
Filed: 1945-02-12
Abstract: 588,340. Curtain supports. MELTZ, M. Feb. 12, 1945, No. 3491. [Class 52 (v)] [Also in Group XXV] A curtain support comprises a sheet metal or plastic slideway 16, Fig. 1 of inverted channel section, secured to a Z-section supporting bar 10, and a plurality of clips 20 attached to the upper end of the curtain, each clip carrying a metal plate 18 which runs. in the slideway 16 and consisting of a jaw 21 fixed to a screwthreaded pin 22, a sliding jaw 23 and a: nut 24 for clamping the jaws together to engage the curtain 25. An L-shaped end fitting 26 has a tongue 27 which fits into the channel 16, and a channel-shaped piece of metal 28 to anchor the end plate 118. In a modification, Fig. 6, the flanges of the channel are turned outwardly to provide rails 36 for the wire runners 42, and in this case the clips consist of a spring steel member 47 of inverted U-form, a latch member 49 being movable from the free position to a position shown in which a tongue 50 on the latch presses camwise on the adjacent side member of the U to squeeze this inwards to grip the curtain. In a further modification, the supporting bar is in the form of an inverted U, and twin angle-section rails are secured to or formed integral with the supporting bar and spaced inwardly from its depending flanges. The runners are constituted by U-shaped wires, the upper ends of which are bent over to engage the rails, and notches at the ends of the rails provide an anchorage for the end runner.
Patent GB-1235656-A (GB)
Title: Improvements in or relating to earth drilling apparatus
Inventor: MAYALL WILLIAM
IPC: E21B17/00
Filed: 1969-01-22
Abstract: 1,235,656. Magnetic separators. W. MAYALL. 1 Jan., 1970 [22 Jan., 1969], No. 3566/69. Heading B2J. [Also in Divisions E1 and E2] An assembly for collecting magnetic junk includes magnetic members 31, 32, 33 between coaxial non-magnetic tubes 1, 4 and recesses 41, 42, 43 formed in the tube 4 for accommodating the junk. The assembly is located in a drill string above the drill head of an earth drilling apparatus, the tube 1 carrying the drilling mud. The magnetic members are poled in the same direction and may be made up of magnetic elements 34-37 magnetically in series. The magnetic members may be arranged in axially spaced sets (Fig. 3, not shown) and the tube 4 may have freedom of rotation about the tube 1. Alternatively, there may be four magnetic members 81-84 (Fig. 6, not shown), members (81) and (83) being poled oppositely to members (82) and (84).
Patent GB-581691-A (GB)
Title: Improvements in flying training devices
IPC: G09B9/20
Filed: 1942-03-18
Abstract: 581,691. Springs. HELLINGS, G. M. March 18, 1942, No. 3585. [Class 108 (iii)] [Also in Group XXXIII] A coupling between two shafts 1, 2, comprises a spring whose stiffness can be varied in accordance with a square law. The spring consists of four blades 4 fixed in a disc 3 on the shaft 1, and projecting into slots in a disc 5 slidable along the shaft 2, their shape being such as to give the desired square law variation as the disc is moved along the shaft.
Patent GB-711142-A (GB)
Title: Improvements in or relating to circuit arrangements for deflecting the beam of a cathode ray tube
Inventor: TAYLOR JOHN HARRY
IPC: H04N3/20
Filed: 1951-02-15
Abstract: 711,142. Television. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Feb. 4, 1952 [Feb. 15, 1951], No. 3643/51. Class 40 (3). [Also in Group XL(c)] A deflecting circuit for a cathode-ray tube in a television receiver comprises an electron discharge tube in the cathode circuit of which is included a coil for focusing the beam of the C.R. tube so that in the event of failure of the deflecting circuit the C.R. tube is defocused. The Figure shows the output stage of a line scanning circuit for a television receiver in which sawtooth deflecting currents are produced in the secondary winding of the output transformer 3. The focusing coil 4 of the C.R. tube is included in the cathode circuit of the discharge tube 1 and is bye-passed at radio-frequencies by capacitor 6 ; the cathode current of the tube 1 is adjusted by means of the variable screen resistor 7 so that the C.R. beam is correctly focused. On failure of the deflecting circuit, due, for example, to failure of the drive to tube 1 or breakdown of capacitor 8, the cathode current of tube 1 changes substantially and the C.R. beam is defocused thus reducing the likelihood of burning of the C.R. tube screen. Specification 534,465 is referred to.
Patent GB-862093-A (GB)
Title: Looms with stationary weft supply
IPC: D03D47/00
Filed: 1958-02-04
Abstract: 862,093. Shuttleless looms. MACHINEFABRIEK L. TE STRAKE N.V. Feb. 4, 1958 [Feb. 8, 1957], No. 3670/58. Class 142(2) In a shuttleless loom, air is supplied to a tube 1 via a supply pipe 10 and the weft 6 enters the tube through a transverse aperture 5. The tube 1 and a suction device 9 at the other side of the warp are moved towards each other by linkages 12-15. When air is blown out of a nozzle 2 in the tube 1, the weft end is drawn into the tube 1 and blown out of an aperture 4. The final gap between members arid 9 is about one third of the warp width. One pick length is drawn from a cap 20 by closing a clamp 18 and lowering a comb 16 to engage a comb 17. Prior to picking the clamp 18 is released and a clamp 19 is closed. The weft is severed adjacent the nozzle 1 and the ends at each side of the warp are turned-in to provide a selvedge.
Patent GB-1171187-A (GB)
Title: Electrical Machine of Disc-Type Construction with Rotor in the form of a Spoked Wheel
IPC: H02K19/20
Filed: 1967-01-25
Abstract: 1,171,187. Inductor alternators; A.C. motors; casings; cooling; core constructions. LLOYD DYNAMOWERKE G.m.b.H. 25 Jan., 1967 [26 Jan., 1966], No. 3695/67. Heading H2A. A planar air-gap dynamo-electric machine having at least three component discs, at least one disc carrying an A.C. winding and performing a stator function, and at least one disc performing a rotor function and, by means of non-uniform magnetic permeability in the axial direction, producing a variation in flux produced by an annular D.C. exciting winding, is characterized in that the rotor disc is in the form of a wheel with magnetizable spokes which have the greater permeability and air spaces between the spokes which have the less permeability; each spoke has a non-magnetic separating layer at the radial location of the exciting winding, and the resulting spoke portions have opposite polarity. As shown, the non-magnetic separating layer of the single rotor 13 is a ring 36, Figs. 1 and 2B, secured between an inner spoked casting 33, 34, 35, Fig. 2B, and an outer spoked casting 37, 38, 39. Each of the two stator discs (see 11, Figs. 1 and 2A) has a two-part D.C. exciting winding 21 located between coaxial annular strip cores 16, 17 set into the solid part of the disc. A single-phase A.C. winding (though a polyphase one may be provided) is accommodated in slots 24, 25 in the cores. Cooling ribs 41 and cooling inlets 28 to 31, Fig. 1, and cooling outlets 32, Figs. 2A and 2B, are provided. The inter-spoke apertures 40 also ventilate the machine. Preferably housing portion 60 is aluminium. In an alternative construction of rotor (Figs. 2D and 3, not shown), a hub secured to shaft 12 has short circumferential grooves in each of which the end of a " spoke consisting of several axially-disposed laminae is fitted. The outer ends of the spokes have dovetails accommodated between two axial halves of a non- magnetic ring. Further laminated spokes, radially outside of, and aligned with, the first ones, have dovetails at their inner ends similarly accommodated in the non-magnetic ring; at their other ends they are fitted into an outermost ring. The non-magnetic ring is made in two halves for ease of assembly, and these halves are subsequently bolted together. Airguiding recesses are provided at the sides of the ring between spoke positions. If the machine is to be used as a motor, a starting cage, the bars of which extend radially, may be provided. The ring 36 functions as a damping ring.
Patent GB-1118274-A (GB)
Title: Drying apparatus with roller-conveying system for photographic film base in strip orsheet form
Inventor: SCHOENEGGE EGON
IPC: G03D15/02
Filed: 1967-01-25
Abstract: 1,118,274. Drying apparatus. PENTACON DRESDEN KAMERA-UND KINOWERKE VEB. 25 Jan., 1967, No. 3748/67. Heading F4G. [Also in Division G2] A drying apparatus for film sheets comprises pairs of rollers 2, 2<SP>1</SP> between which the sheet 1 is passed. Round each roller is a part-cylindrical jacket 7, positioned eccentrically of the roller. Warm air enters through an opening 10 into the space between jacket and roller, and is thus guided to impinge on the surface of the sheet. Since a current of warm air is applied from both sides, there is less tendency for the sheet to stick to the rollers.
Patent GB-1218805-A (GB)
Title: Improvements in or relating to the production of steel by the basic oxygen furnace process
IPC: C21C5/36
Filed: 1968-01-24
Abstract: 1,218,805. Oxygen-steelmaking. FLINTKOTE CO. Jan. 24, 1968 [Jan. 24, 1967], No. 3785/68. Heading C7D. Dissolution of lime in the slag in a basic furnace is accelerated by charging to the slag an oxide of boron or a substance containing such an oxide or which yields such an oxide under the conditions prevailing in the furnace. The additive may be charged simultaneously with the lime, immediately prior therto, or may be incorporated with the lime. Preferred additives are boron trioxide, boric acid or anhydrous borax.
Patent GB-848944-A (GB)
Title: Improvements in bags and like containers
IPC: B65D75/66
Filed: 1958-02-05
Abstract: 848,944. Seaming non-metallic sheet materials. HEDLEY & CO. Ltd., T. Feb. 5, 1958 [Feb. 27, 1957], No. 3817/58. Class 42 (1). [Also in Group XVII] A bag or wrapper of thermoplastic material has a tear-strip, of a thicker material than the bag, heat-sealed to its outer surface, the thickness of the seal being at least as great as the combined thicknesses of the bag and strip material. The tear-strips may be attached to a web from which the bags &c. are made, by pressing a peripheral area of the strip against the web and applying heat to the enclosed area 17. An unsealed tab 18 is left for gripping.
Patent GB-229304-A (GB)
Title: Improvements in waxed wrapping paper and methods of making the same
IPC: B41M1/36
Filed: 1925-02-11
Abstract: 229,304. Frisch, E. Feb. 11, 1924, [Convention date]. Wrapping-materials.-Waxed paper, for wrapping bread, has printed thereon, prior to being waxed, a design a in white ink so that the white lines resulting from the creasing of the paper are rendered less conspicuous. Panels b for the reception of printed matter in a different colour, may be included in the design. Specification 13561/84 is referred to.
Patent GB-194510-A (GB)
Title: Improvements in or relating to sound horns
IPC: H04R1/28
Filed: 1922-02-10
Abstract: 194,510. Brown, S. G. Feb. 10. 1922. Sound inagnifyi?tg and directing appliances.- An expanding sound horn for use, for example, in a gramophone or in a loud-speaking telephone receiver, comprises a base portion A cast in aluminium or other light metal or alloy, and a bell mouth A<1> of spun sheet metal secured to the casting, for example, by rivets. The horn is provided with one or more holes C arranged at distances of one half, one quarter, one eighth, &c. of the length of the horn from the narrow end, in order to relieve nodal pressure at these points and so prevent the formation of stationary waves in the horn. The holes may be single or multiple, circular or alongated, and are preferablv reduced in size from the middle to the smaller end of the horn. The horn may expand according to a logarithmic law, and is preferably of circular cross-section throughout. A sound box B to which the horn is fitted may contain a microphone, the periphery or rim of the box being perforated to prevent sound reflexion from the walls back into the horn.
Patent GB-801601-A (GB)
Title: Improvements relating to smokers' companions
IPC: A24F19/00
Filed: 1956-02-09
Abstract: 801,601. Smokers' ash receptacles. HEATH, Ltd., I., HEATH, I. A., and BRADLEY, W. G. Feb. 11, 1957 [Feb. 9, 1956], No. 4017/56. Class 130. Ash, deposited in a funnel 15 with a detachable cover 16 forming a grid 163, inwardly downwardly sloping cigar &c. rests 161 and an auxiliary funnel 162 drops through tube sections 14, 12 into a base 10 which may contain water and is detachably connected to a cover 11 by hooks 111 thereon engaging annular slots in the top edge of the base. The tube sections 14, 12 are push fits into a connector 13 and into the members 15, 11. All the component parts are zinc base alloy die-castings.
Patent GB-255749-A (GB)
Title: Indicator for the turning of motor cars and the like
IPC: B60Q1/34
Filed: 1926-02-12
Abstract: 255,749. Engstrom, A. E. T., and Petersen, I. J., C. Feb. 12, 1926. Road-traffic signals on vehicles.-A directionindicator for use on road vehicles comprises a signal arm b and a handle i fitted to a member a which is arranged to swivel on a split tube g adapted to be fitted over the upper edge of a side window pane of the vehicle. The part a has positioning grooves k at right angles and swivels on a pin d rivetted to the tube at f, a spring h being interposed. Guide straps b are provided. The arm b is screwed into a hole in the part a and locked by a stud screwed into a similar hole at right angles, so that by changing the arm and stud, the device may be adapted for use on either side of the vehicle. The gap remaining at the top of the pane when the window is closed as far as it will may be closed by a strip of rubber or other material.
Patent GB-576142-A (GB)
Title: Improvements in or relating to toggle actuated hand appliances
IPC: B25B7/12
Filed: 1944-03-06
Abstract: 576,142. Pliers and hand vices. BALL, E. D., and TAYLOR, F. G. March 6, 1944, No. 4156. [Class 61 (ii)] [Also in Group XXV] A toggle actuated hand appliance for use in welding clips, pliers, punches, cutters, embossing tools and hand vices consists of a pivoted jaw and a stationary jaw connected together by a hinge pin adjustably mounted in the stationary jaw, an actuating member hingedly engaged at one end with the pivoted jaw and a link connecting the actuating member to the stationary jaw. The jaws remain substantially parallel for various sizes of work. As shown, a jaw 1 of channel section is hinged to an L- shaped jaw 2 by means of a pin 4 which engages in slots 5 in the sides of the jaw 1, One limb of the jaw 2 is bifurcated to straddle the jaw 1. An adjusting screw 6 engages a screw-threaded hole in the pin 4 and an actuating member 9 is held in a recess 8 in the jaw 2 by a hinge pin 10. A link 12 is hinged to the actuating member and the jaw 1 by means of pins 11 and 13 respectively. When the actuating member and the jaw 1 are gripped the pin 11 moves over the dead centre position to close the jaws. An L-shaped member 14 is pivoted at 15 to the member 9, having one limb held colinear with this member by a spring 16 and the other engaging a hump 17. When the projecting limb and the jaw 1 are gripped, the other limb moves over the hump 17 toward the right, allowing the pivot 11 to pass beyond the dead centre position, opening the jaws. When the appliance is used as a punch, one of the jaws is provided with one or more punches, the other being provided with corresponding holes.
Patent GB-175291-A (GB)
Title: Improvements in impermeable electric apparatus such as incandescent lamps, vacuum apparatus, gas-filled apparatus, and the like
IPC: H01J5/30
Filed: 1922-02-13
Abstract: 175,291. Holweck, F. H. L. Feb. 11, 1921, [Convention date]. Leading-in wires; caps; repairing. - Leading - in wires 7 are sealed into lamp bulbs and other vacuum or gas-filled apparatus by means of a socket 3 provided with glands and packing 4, 12 for making air-tight connections with the neck 2 of the bulb and with the wire respectively. If the socket is of metal, it is connected to a lead and to one electrode 8, the wire 7 being connected to the other electrode 6 and insulated by mica discs from the socket. If the socket is of insulating-material, two wires 7 are fitted. According to the Specification as open to inspection under Sect. 91 (3) (a), the seal facilitates the renewal of lamp filaments. This subject-matter does not appear in the Specification as accepted.
Patent GB-1136142-A (GB)
Title: Improvements in or relating to an electrolytic cell having a flexible web electrode
Inventor: TIEDEMANN HERMAN HENRY
IPC: C25B1/00
Filed: 1966-01-31
Abstract: 1,136,142. Electrolytic cell having a flexible web electrode. GENERAL ANILINE & FILM CORP. Jan. 31, 1966 [Feb.5, 1965], No.4204/66. Heading C7B. An electrolytic cell having a Hg cathode, e.g. a brine cell, has as anode a flexible web impregnated with conductive carbon such as graphite and, during electrolysis, the web is passed through the cell either continuously or at regular intervals. Fig. 2 shows a brine cell having a carbon loaded fabric anode 65 which is fed from roll 67 to 77 and electrically connected by rollers 61. Hg which serves as a cathode is supplied at 35a and Na/Hg removed at 37a. Brine is supplied at 85 and spent brine removed at 87. Cl 2  gas escapes through outlet 89, Fig. 4 (not shown) illustrates a modification with additional support rollers (167) for the web, Fig. 3 (not shown) illustrates a Hg-cathode brine cell where the Hg flows downwardly over a vertical cathodic grid (113) and a carbon impregnated web anode (119) passes parallel to the Hg flow. The cells are operated such that the carbon in the webs has been consumed when the webs leave the cells. Spent webs may be discarded or impregnated with carbon for reuse.
Patent GB-555528-A (GB)
Title: Improvements in or relating to apparatus for separating dust and other impurities from air and gases
IPC: B01D47/02
Filed: 1942-03-30
Abstract: 555,528. Washing air and gases. DALLOW, LAMBERT & CO., Ltd., and DALLOW, J. E. March 30, 1942, No. 4205. [Class 55 (ii)] Air to be purified is blown or drawn through a conduit 15, the end of which is provided with a horizontal extension 16 partially submerged in a liquid (water) bath, the impact of the air displacing a quantity of water which is directed downwards by deflectors 17 to form cascades through which the air passes for removal of dust and other impurities. The cleansed air passes to the top of the casing 1 and to an outlet 14 leading to a fan by which the air is drawn through the device. An inspection window 29 is provided and a lamp 30 for illuminating the interior. Fig. 6 shows a modification in which the air enters the duct 16 tangentially.
Patent GB-342155-A (GB)
Title: Improvements in or relating to high frequency generators and apparatus for use therewith
IPC: H03F1/16
Filed: 1930-02-07
Abstract: 342,155. Valve generating and amplifying circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London.-(Assignees of Kroger, F. H. ; 27, Orchid Place, Ridgewood, New Jersey, U.S.A.) Feb. 7, 1930, No. 4246. Convention date, April 15, 1929. [Class 40 (v).] The tuning condenser for the output circuit of a generator-amplifier installation is combined with one or more neutralizing condensers into a single mechanical unit. As shown, a short-wave generator comprises stabilized amplifiers A, B fed in push-pull from a master oscillator MO, the composite condenser consisting of fixed plates 1, 2 in series with adjustable plates 17, 5 and 6, 24 respectively. The plates 1, 5, 6, 2 form the output tuning-condenser, the effective value of which is regulated by moving the plates 5, 6 towards or away from the fixed plates 1, 2. The condenser plate 17, associated with the anode plate 1 is connected to the grid of the valve B, whilst the plate 24 is similarly cross-connected to the grid of the valve A. The value of the stabilizing capacity is adjusted by rotating the knobs 22, 28. To reduce undesired capacity effects, the connecting leads are kept as short as possible, the circuit arrangements are symmetrical, and the filament circuit is earthed at G. The output is coupled to an aerial through a coil 35.
Patent GB-792504-A (GB)
Title: Improvements in or relating to trigger circuits
Inventor: JAMES JOHN BERNARD
IPC: H03K3/30
Filed: 1955-02-14
Abstract: 792,504. Measuring nuclear radiation. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Feb. 1, 1956 [Feb. 14, 1955], No. 4297/55. Class 40 (3). [Also in Group XL (c)] The pulse output from a Geiger counter or a scintillation counter is applied to a pulse ratemeter C1, C2, D3, D4, A, through a single stable state junction transistor circuit t which supplies an input pulse at a to the rate-meter for each pulse received from the counter. When the circuit is used with a scintillation counter a thermistor TH may be provided to maintain the sensitivity constant with changes of temperature.
Patent GB-443835-A (GB)
Title: New azo dyestuffs
IPC: C09B29/00
Filed: 1934-06-28
Abstract: Monoazo dyes are prepared by combining a diazotized nuclear long-chain alkyl (C8--20) aniline or -naphthylamine with a coupling component devoid of long-chain alkyl (C8--20) groups, there being one or more sulphonic acid substituents present to make the dyes sufficiently soluble for colouring purposes.  The long-chain nuclear alkylnaphthylamines may be prepared by reacting a long-chain acid chloride with naphthalene in a solvent in presence of aluminium chloride, reducing the resulting ketone to a C-alkyl derivative with zinc amalgam and hydrochloric acid, nitrating and reducing.  In examples p-dodecylaniline is diazotised and coupled with 1-(4<1>-sulphophenyl)-3 - methyl - 5 - pyrazolone (yellow on wool), 1 - (2 . 5<1> - dichloro - 4<1> - sulphophenyl) - 3 - methyl - 5 - pyrazolone (greenish yellow), 1 - (4<1> - sulphophenyl) - 3 - carboxy - 5 - pyrazolone (reddish-yellow), 2 - naphthol - 8 - sulphonic acid (orange), 2 - naphthol - 6 . 8 - disulphonic acid (orange), 1-naphthol-3.6-disulphonic acid (reddish - orange), 2 - naphthylamine - 6 . 8 - di - sulphonic acid (reddish-yellow), 2-naphthylamine - 8 - sulphonic acid (orange), 2-amino-8-naphthol-6-sulphonic acid (brownish-red), 2-amino - 5 - naphthol - 7 - sulphonic acid (orange), 1 . 8 - aminonaphthol - 2 . 4 - disulphonic acid (reddish-violet), 1 - acetamino - 8 - naphthol - 3.6-disulphonic acid (crimson), 1-butyrylamino-8-naphthol - 4 . 6 - disulphonic acid (red), 2 p  - acetamino - 8 - naphthol - 6 - sulphonic acid (yellowish - red) and 1 - benzoylamino - 8 - naphthol - 3 . 6 - disulphonic acid (bluish - red); 5 - dodecyl - 2 - aminotoluene is diazotized and coupled with 2-naphthylamine-8-sulphonic acid (orange). p-Dodecylaniline and the corresponding o-toluidine are prepared analogously to p-octylaniline (cf. Berichte 18, 132).  The products have improved fastness to washing and milling compared with the analogous products without a nuclear long-chain alkyl substituent.
Patent GB-449201-A (GB)
Title: Improvements in or relating to the manufacture of urea-aldehyde moulding powders
IPC: C08K5/09
Filed: 1935-02-11
Abstract: Thermoplastic moulding powders are prepared by adding a solid unsaturated organic acid that does not decompose under the conditions of the hardening process to a fusible but potentially reactive urea-formaldehyde condensation product.  Cinnamic acid is a suitable acid.  The formaldehyde used in the condensation reaction is preferably neutralized prior to use.  In an example formalin is neutralized with magnesium carbonate condensed with urea in the presence of ammonia and the syrup mixed with wood pulp or wood flour. The product is dried, disintegrated and then mixed a lubricant, plasticizer and cinnamic acid to yield a moulding.