baber/WOPTO huggingface dataset:
Patent GB-1470832-A (GB)
Title: Axial flow pump
Inventor: STJERNSTROM B G
IPC: F04D3/00
Filed: 1974-05-02
Abstract: 1470832 Helico-centrifugal pumps ITT INDUSTRIES Inc 2 May 1974 [9 May 1973] 19306/74 Heading F1C In a pump, e.g. a submersible pump, comprising a housing containing a motor-driven impeller 5 and a stationary diffuser assembly 13, 14, the diameter Di of the impeller hub at its inlet end is between 40 and 80% of the maximum diameter D2 of the impeller, the angles between a plane normal to the impeller axis and the inlet and outlet edges of the impeller blades 9 are 10 to 30 degrees and 15 to 90 degrees respectively and the angles between the plane and the inlet and outlet edges of the diffuser blades 14 are 30 to 60 degrees and 75 to 105 degrees respectively. The impeller blades have substantially straight leading portions and curved trailing portions and define helical flow-paths. The inlet edges of the blades may be radial or backwardly curved and the radially outer edges 10 may be parallel to the impeller axis.
Patent GB-497103-A (GB)
Title: Improvements in and relating to vehicle bodies
IPC: B62D29/04
Filed: 1937-07-12
Abstract: 497,103. Vehicle bodies. AUTO UNION AKT.-GES. July 12, 1937, No. 19309. Convention date, July 10, 1936. [Class 108 (i)] In a motor vehicle the main parts of the body are press - moulded from layered artificial materials, which parts, after being assembled, form above the windscreen, the door and side openings and the rear portion a continuous upper edge to which the roof corresponds. The vehicle body is formed of parts 2 on which are secured the windscreen parts 4, side parts 6 connected to the windscreen by intermediate pieces 6a and rear parts 10 having an upper edge 11. The continuous upper edge is adapted to receive various kinds of fixed or collapsable roofs. As shown in Fig. 2, a rigid roof of artificial resin is secured to the upper edge by screws 22, while if the roof were adapted to be removable it may be secured in position by spring clips. Fig. 4 shows a cabriolet roof comprising fabric 26 secured to a wood beading 25. Fig. 7 shows the top edge 5 of the windscreen to which a fixed or removable roof may be secured. The constructional material employed is layered press-moulded artificial resin, the layering material used being preferably paper.
Patent GB-885713-A (GB)
Title: Improvements relating to exhaust silencers for jet-propulsion engines
Inventor: LEASON DENNIS BRIGHAM
IPC: F02K1/40
Filed: 1957-06-19
Abstract: 885,713. Jet propulsion nozzles. FAIREY CO. Ltd. June 19, 1958 [June 19, 1957], No. 19336/57. Class 110 (3). In a jet propulsion nozzle silencer which comprises a multi-point cross-tail nozzle whose discharge area is afforded by a number of narrow nozzle slots extending radially outwardly from an unobscured central discharge aperture, the nozzle slots being formed at the end of a corresponding number of flutes protruding radially from a tapered frusto-conical central passage which terminates in the central discharge aperture, the area of the central discharge aperture is between one tenth and one twentieth of the total discharge area. Preferably the area of the central unobscured discharge aperture should be between one tenth and one eleventh of the total silencer discharge area. The smallest number of slots that will provide the necessary discharge areas should be used. The silencer 10 comprises a convergent-open-ended frusto-conical tunnel 15 leading from a circular intake 16 to a small central discharge aperture 17, the walls of the tunnel being of fluted form. The flutes terminate in discharge slots 19 disposed around the aperture 17. The silencer is made up of a number of sheet metal plates which are bent and then welded to each other. These plates are welded at the inlet end to a ring 29 and at their outlet end to a ring 30. Webs 31 are also provided. In the arrangement shown the area of the discharge aperture 17 is a little less than one tenth of the total discharge area of the silencer. The actual dimensions of the nozzle are also given.
Patent GB-614027-A (GB)
Title: Improvements relating to electric discharge lamps
IPC: F21V17/04
Filed: 1946-07-01
Abstract: 614,027. Lampshades. PEARSON, J. July 1, 1946, Nos. 19545/46 and 1437/47. [Classes 75 (ii) and 75 (iv)1 A shade for a tubular electric discharge lamp comprises one or more preferably overlapping translucent elements 2 of plastic, parchment, &c., some or all being provided with spring clips S or other means for gripping the discharge tube. The elements 2 may be stitched at their edges to wire, strip metal, or tubular frames 3 connected together by ties 4. Alternatively the end of one frame 3 may be provided with an extension 13 engaging loops 14 on the next frame.
Patent GB-1168936-A (GB)
Title: Switching Circuit for the Reversal of the Magnetizing Current of an Electromagnet in particular for the Individual Selection of Needles of a Knitting Machine
IPC: H03K17/60
Filed: 1968-04-25
Abstract: 1,168,936. Energizing electromagnets. EDOUARD DUBIED & CIE S.A. 25 April, 1968 [31 May, 1967], No. 19603/68. Heading H2H. [Also in Divisions D1 and H3] This invention relates to a switching circuit comprising a bridge configuration of switching elements across which is connected the magnetizing winding of an electromagnet in series with one or more RC parallel networks. In the figure, the switching elements are PNP power transistors T1, T2, T3, T4, controlled by NPN transistors T7, T8 and PNP transistors T5, T6 respectively. The bridge network is connected across a source of potential while a further source biases T7 and T8. The control pulses are applied to S11 and S2, the capacitors C1, C2 discharging through the winding B on one pulse having charged up on the previous pulse. This discharge current decreases the current buildup time in B, any over voltages being prevented from damaging the transistors by diodes D5 D6, D7, D8. Inverse current flow through the power transistors is prevented by diodes D1, D2, D3, D4. Alternative arrangements could; eliminate T7, T8 by making T1, T2 NPN types; eliminate either of the RC networks shown; split the winding B into two paralleled halves; use other switching elements e.g. Reed mercury relays, thyristors or triacs. The circuit may be used for controlling the magnets of knitting machines or the driving of a stepwise rotor.
Patent GB-637671-A (GB)
Title: Drive mounting for windshield wiper arm
IPC: B60S1/34
Filed: 1947-07-22
Abstract: 637,671. Windscreen-wipers. PRODUCTIVE INVENTIONS, Inc. July 22, 1947, No. 19651. Convention date, March 23, 1944. [Class 138 (i)] A windscreen-wiper arm comprises an inner driving and supporting member having a nut inseparably. but rotatably associated therewith, the nut engaging a threaded driving spindle so that rotation of the nut in opposite directions moves the inner driving and supporting member into or out of driving engagement with the spindle. The wiper arm carrier 6 is pivoted at 7 to the member 5 of channel-section which is secured to the drive spindle 13 by the nut 25. The nut has an enlarged portion 26 which is held between the outer face of the channel section and the inner member 21 so that the nut is captive but is free to rotate. When the nut is tightened, the inner member 21 of relatively soft metal is forced on to the bevelled shoulder 14 of the spindle, which may be provided with hardened teeth. Conversely, the member 21 may be provided with hardened teeth and the shoulder 14 left plain, or both the shoulder and the member 21 may be serrated. To remove the wiper assembly from the spindle the nut 25 is unscrewed, and if the assembly has corroded on to the spindle, continued unscrewing of the nut forces the assembly off the spindle.
Patent GB-357648-A (GB)
Title: An improved tilting-device for barrels and the like
IPC: B65G65/24
Filed: 1930-06-28
Abstract: 357,648. Indicating liquid levels. SELBIT, P. T., The Limes, St. Patrick's Road, and MORGAN, F. L., Ribbesford, Styvechale Avenue, both in Coventry. June 28, 1930, No. 19736. [Class 123 (i).] A barrel tilter is fitted with a scale 24 and pointer 25 to indicate how much of the contents remain, and an electrical contact 26 may be arranged to give warning when the barrel is nearly empty.
Patent GB-596739-A (GB)
Title: Improved means for operating the take-up mechanism in looms for weaving
IPC: D03D49/20
Filed: 1945-08-01
Abstract: 596,739. Loom take-up motions. HOLMES, GOLDRICH, & CO., Ltd., and BENSON, N. Aug. 1, 1945. No. 19825. [Class 142 (ii)] The take-up roller 24 is driven continuously from the main shaft 10 by worm gearing 11, bevel or skew gearing 19, and change wheels 23, the usual ratchet wheel 21 and pawl 22 being retained as a non-return device. A clutch 15 can be disengaged to permit manual adjustment of the take-up roller by moving the brake lever beyond the position at which the brake is off.
Patent GB-1466492-A (GB)
Title: Hospital gown
IPC: A41D13/12
Filed: 1975-05-12
Abstract: 1466492 Hospital gown KENDALL CO 12 May 1975 [24 May 1974] 19903/75 Heading A3V A hospital gown has around its waist, neck or wrists areas of cohesive-adhesive material (i.e. material which will adhere only to itself) so that a close fit may be obtained. The gown has a belt or half-belt stitched to it, with extensible end or ends 11, 12 coated with cohesive-adhesive material that can be adhered to the area 21. The ends will also adhere to one another. Alternatively areas of cohesiveadhesive areas around the waist permit gathering; a similar effect may be obtained at the wrist 35 or neck.
Patent GB-759605-A (GB)
Title: Improvements relating to aerials
IPC: H01Q9/44
Filed: 1953-07-17
Abstract: 759,605. Aerials. BEST, N. M., and ANTIFERENCE, Ltd. Oct. 1, 1954 [July 17, 1953], No. 19947/53. Class 40 (7). An aerial system comprises a symmetrical conductive ground plane and at least two elements extending from the point of symmetry on the same side of the ground plane; the elements having their ends remote from the plane spaced apart. Fig. 5 shows an embodiment in which the ground plane consists of a pair of collinear rods 30, 31 and the elements are the two rods 28 and 29. Rod 28 is connected to one side of the feeder and rod 29 and the ground plane rods joined and connected to the other. Rod 29 may be arranged to act as a director or reflector according to whether it is shorter or longer than element 28. This form of aerial is of a suitable shape for mounting in a house loft for television reception but may also be mounted on a mast outside a building. The elements and ground plane members need not be simple rods but may comprise a plurality of rods arranged on the surface of a cone (or double cone) of small apex angle. Either or both of the elements 28 and 29 may be folded and the feeder connections for such arrangements are indicated in Figs. 10, 11, and 12 (not shown). In order to match the aerial to its feeder delta or " T " matching arrangements may be used and these are described with reference to Figs. 13 and 14 (not shown). Fig. 15 shows a construction in which the ground plane members consist of a single tube on which the member 29 is directly mounted. The element 28 is mounted in an insulator 38 and extends through to the inside of the tubular member for connection to the feeder as shown. The ground plane may consist of more than two elements and may be a sheet of conductive material such as the roof of a vehicle. Preferably in such a case the elements 28 and 29 are mounted on a rotatable base attached to the roof so that the polar diagram of the system can be rotated as required. Specifications 666,285, 759,598 are referred to and 666,266 is mentioned in the Provisional Specification.
Patent GB-207221-A (GB)
Title: Improvements in, and relating to, stands or supports with detachable parts
IPC: A47F5/11
Filed: 1922-07-20
Abstract: 207,221. Samways, A. C. July 20, 1922. Drawings to Specification. Pen stands.-Relates to stands of the kind comprising component members each provided' with a slot, extended from one side thereof, by which they are interengaged. In a pen rack the upper edge of a base member is provided with two compound slots, that is slots with narrow parts at each end and with which interengage plain slots in the lower edges of two side members formed with recesses to support the pens.
Patent GB-671885-A (GB)
Title: Improved arrangement of the oil pump in motor-compressor groups of refrigerating apparatus
Inventor: SZANISZLO STEFAN
IPC: F25B31/00
Filed: 1950-08-11
Abstract: 671,885. Lubricating refrigerators. SIEMENS SOC. PER AZIONI. Aug. 11, 1950, No. 20044/50. Class 12 (iii). [Also in Group XIII] In refrigerating apparatus, a wall parallel to the surface of the oil in a casing 1 divides it into an upper shallow layer and a lower layer. The wall is constituted by the body of a vertical axis centrifugal pump 6 having a hole in the centre of its upper portion. Oil flows centripetally in a shallow layer over the wall to enter the pump through the hole. Gaseous refrigerant dissolved within the oil is thereby at least partly separated out. The pump 6 is driven by an electric motor 3 which also drives a compressor 2.
Patent GB-323784-A (GB)
Title: Improvements in or relating to the treatment of hydrocarbon oils
IPC: C10G21/16
Filed: 1928-07-10
Abstract: 323,784. Wade, H., (Standard Oil Co.). July 10, 1928. Mineral oils, purifying.-Naphthenic acids are extracted from petroleum oils containing them, by treating the oil, without a preliminary sulphuric acid treatment, with a lower aliphatic alcohol, e.g. methyl, ethyl or isopropyl alcohol, which may be diluted with water. For example, a lubricating oil distillate of Bash point 500‹ F. obtained from oils of the type found in Louisiana, is agitated with 20 per cent of 50 per cent aqueous alcohol. The extraction process may be preceded by treatment with aqueous alkali.
Patent GB-438281-A (GB)
Title: Improvements in the manufacture and production of vinyl compounds
IPC: F25J3/04
Filed: 1934-07-09
Abstract: N-Vinylpyrrole compounds are prepared by causing acetylene to react at elevated temperatures on pyrrole or an organic compound containing the pyrrole ring in the presence of a substance having a strongly alkaline action or in the presence of alkali metals. Organic compounds containing the pyrrole ring include pyrrole, indole, carbazole and naphthocarbazole.  Substances having a strongly alkaline reaction include the hydroxides and alcoholates of the alkali metals and compounds of the alkali metals with the starting materials such as potassium carbazole.  The acetylene, which may be used under pressure, may be mixed with an inert gas such as nitrogen, methane or hydrogen.  The reaction, which may be continuous, may be carried out in the presence of diluents such as alcohols, glycols or hydrocarbons such as methyl, ethyl or butyl alcohols, ethylene or diethylene glycol, benzene, toluene, tetrahydronaphthalene or decahydronaphthalene or in the presence of the vinyl derivative of the raw material.  The vinyl compounds obtained may be catalytically hydrogenated to yield the ethyl compounds.  In examples, (1) a mixture of pyrrole, indole or iso-propyl carbazole, and potassium hydroxide is treated with a mixture of acetylene and nitrogen to yield vinylpyrrole, vinylindol or iso-propyl N-vinylcarbazole; (2) a mixture of carbazole, potassium hydroxide and decahydronaphthalene or ethylene glycol is treated with acetylene to yield vinylcarbazole; (3) a mixture of cyclohexane, tetrahydrocarbazole and potassium hydroxide is treated with a mixture of acetylene and nitrogen to yield N-vinyltetrahydrocarbazole.
Patent GB-1435750-A (GB)
Title: Trackway for a transport system
IPC: E01B25/30
Filed: 1973-06-21
Abstract: 1435750 Trackway for electromagnetically suspended vehicle KRAUSS-MAFFEI AG 21 June 1973 [17 July 1972 25 Jan 1973] 20121/75 Divided out of 1435749 Heading B7L A trackway for an electromagnetically suspended vehicle includes a longitudinal girder 102, Fig. 2, to which are secured brackets 104 formed by I-section girders 112 extending substantially parallel with the plane of the track and perpendicular to the trackway longitudinal direction with adjustment gaps 125 between the girders 112 and 102 containing pressure-resistant mortar 120, at least one end of each girder 112 extending laterally beyond the longitudinal girder 102 to receive a system component such as a suspension and guide rail 107 from which in use the vehicle is electromagnetically suspended. Other system components which the girder ends may carry are a reaction rail 111 of a linear induction motor, a conductor rail for current supply to the vehicle, an emergency running surface on which the vehicle is supported if the electromagnetic suspension should fail, and a line conductor for the transmission of control or communication signals to the vehicle. In assembly, the brackets 104 are positioned relative to the girder 102 by an adjusting device before the gaps 125 are filled with the pressure-resistant mortar such as synthetic plastics mortar. Bolts 121, extending from holes 119 in the lower flange 114 of each I-section girder 112 into a cap nut 118 welded on to a respective anchor plate 116 which is cast in the concrete structure of the girder 102, are then tightened. As shown in Fig. 2, there is a longitudinal girder 102 on each side of the track and the brackets 104 protrude beyond the girders 102 only at their ends which are inward of the track. Alternatively, Fig. 4, a single longitudinal girder 102<SP>11</SP> may be used supporting a bracket 1041 which protrudes to carry system components at both sides of the girder 102<SP>11</SP>. The bracket 104<SP>1</SP> may be carried on top of the girder 102<SP>11</SP>, Fig. 3 (not shown), or may as shown pass through apertures 122 in side walls 123 of the hollow girder 102<SP>11</SP> with the centre of bracket 104<SP>1</SP> supported against the underside of the girder top wall by a mortar layer 124.
Patent GB-428984-A (GB)
Title: Improvement in hinging corners relative to folding crates
IPC: B65D6/20
Filed: 1934-07-10
Abstract: 428,984. Collapsable crates. MANNELL, R. H., 39, Alma Place, Penzance, Cornwall. July 10, 1934, No. 20175. Addition to 416,280. [Class 18] [See also Group XXV] The upright corner members B of a collapsable crate are joined by flexible wire loops A crossed at the centre C, passed over the adjacent members, and secured by horizontal members D, nailed in position over them. Reference has been directed by the Comptroller to Specifications 29038 /11 and 6012 /13, [both in Class 18].
Patent GB-953096-A (GB)
Title: Polyolefin compositions
IPC: C08G63/66
Filed: 1962-05-25
Abstract: Polyolefines having improved textile properties are prepared by mixing a polyolefine with a modified polyester in a sufficient amount to improve the textile properties of the polyolefine, said polyester being formed by the reaction of at least one dicarboxylic acid or diester thereof with at least one glycol containing from 2 to 12 carbon atoms and being modified by a compound selected from the group consisting of (A) aliphatic dicarboxylic acids containing from 16 to 32 carbon atoms and the alkyl diesters thereof, (B) heterocyclic glycols e.g. compounds containing one or more 5 or 6 membered oxygen and/or nitrogen containing rings, (C) 0.05 mol. per cent. to 1.0 mol. per cent., based on the total weight of said dicarboxylic acid or ester in the reaction medium, of a chain-terminator selected from the group consisting of polyalkylvinylethers having one terminal hydroxyl group wherein the alkyl group contains 1 to 4 carbon atoms and compounds having the formula: R-O-[(CH2)mO]x(CH2)n-OH where R is an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 10 carbon atoms, m and n are integers from 2 to 22 and x is an integer from 1 to 100 or greater, and (D) 0.05 mol. per cent. to 4 mol. per cent. of said chain-terminator of (C) further modified by 0.05 mol. per cent. to 2.4 mol. per cent., based on the total weight of said dicarboxylic acid or diester thereof in the reaction medium, of a chain-branching agent selected from compounds having the formula R-(OH)n where R is a saturated aliphatic hydrocarbon radical containing from 3 to 6 carbon atoms and n is an integer from 3 to 6, compounds having the formula R-(CH2OH)3 where R is as above, compounds having the formula: <FORM:0953096/C3/1> where n is an integer from 1 to 6 and compounds having the formula: <FORM:0953096/C3/2> where n is an integer from 3 to 5 and R is an alkyl radical of up to 3 carbon atoms.  Lists of polyester components and modifiers are given. In the examples polypropylene is mixed with (a) polyethylene terephthalate modified with methoxypolyethylene glycol, (b) a modified copolyester derived from dimethyl terephthalate and ethylene glycol and isosorbide, (c) polyethylene terephthalate modified with pentaerythritol and methoxypolyethylene glycol.  In the last case the per cent. dye up-take is measured.
Patent GB-573443-A (GB)
Title: Improvements in or relating to electric soldering irons
IPC: B23K3/03
Filed: 1943-12-03
Abstract: 573,443. Electric soldering-irons. STANDARD TELEPHONES & CABLES, Ltd., (trading as STANELCO PRODUCTS), and HANDLEY, J. Dec. 3, 1943, No. 20237. Drawings to Specification. [Class 39 (iii)] The electric soldering-iron is of the same construction as in Specification 573,108, the claims being directed to the part 3 as a heat-storage element.
Patent GB-498928-A (GB)
Title: An improved construction and arrangement of electric water heating apparatus
IPC: F24H1/20
Filed: 1937-07-21
Abstract: 498,928. Heating water by electricity. McDONALD, A., and WEBB & CO. (ENGINEERS), Ltd., H. July 21, 1937, Nos. 20257 and 25055. [Class 39 (iii)] The water chamber of an electrically heated storage chamber is an inverted glass vessel 1 with a flanged rim 3 which is detachably clamped to a base plate 13 carrying the heating element and the inlet and outlet pipes. The rim is held in rubber or other suitable packing 5 clamped by a ring 25 screwed to the base plate. The outflow and overflow pipes also may be made of glass. The casing 8 around the heat-insulating covering has a detachable top 9 and a detachable bottom to which a divided cover plate 11 is secured by screws 11a.