baber/WOPTO huggingface dataset:
Patent GB-734729-A (GB)
Abstract: 734,729. Arrangement of wheels and axles. DAVIES, N. A. July 7, 1954 [July 7, 1953], No. 18802/53. Class 108 (2). [Also in Group XIV] A castor comprises two members 1 and 2 rotatable relative to one anchor about a vertical axis, the upper member 1 being adapted for attachment to a truck or the like to be supported while the lower member 2 is supported on the horizontal axle 10 of the castor wheel 5, and two concentric sets of ball bearings 3 and 4 engaged between the members, which constitute or carry races for the balls, one member 1 engaging between the two sets of balls, which lie one above and one below that member and also one inside and one outside that member, while the other member 2 comprises a portion 21 which engages one set of balls 4 on the side opposite to that on which they are engaged by the first member 1 and another portion 24 which on initial assembly of the parts lies on the side of the set of balls 3 opposite to that engaged by the first member and after assembly, is adjusted towards the first portion 21 to engage those other balls and retain the parts in assembled relation. As shown, the member 1 and 2 are dropforgings and the portion 24 of the member 2 is initially substantially cylindrical to permit assembly of the parts. The castor wheel 5 is carried between plates 6 riveted to the member 2. A horizontal portion 13 of the member 1, which is substantially rectangular, is provided with corner slots for attaching bolts. Rings 12 and 22 constituting races for the bearing 4 may be formed directly on the members 1 and 2 themselves. Also, separate race rings may be interposed between the members 1 and 2 and the bearing 3. The castor wheel may be carried between side plates attached to lugs depending from the member 2.
Patent GB-2000658-A (GB)
Title: A photo-electric image converter
IPC: H04N5/30
Filed: 1978-06-23
Abstract: A photo-electric image converter for use in, e.g., an aerial camera has two lines of photo-electric elements (4, 6). The elements in the lines have non-photosensitive spaces (5) therebetween. Two objective lenses are provided to produce on the lines a respective image of the same object. Points of the image that fall on the elements in one line correspond to points of the image that fall on the spaces in the other line, whereby signals representing an unbroken strip of the object are obtained. <IMAGE>
Patent GB-2004664-A (GB)
Title: Connector for optic fibres
IPC: G02B6/36
Filed: 1978-09-18
Abstract: An optical fibre connector for contacting the exposed core ends 12 of two optical fibres 10 for the transmission of light. The connector includes two holders 18, one for each fibre, each holder 18 having provision for receiving a cable passage sleeve 16 containing one of the two fibre ends 12. Each holder 18 also includes an integral plug 38 for insertion into a loose coupling sleeve 20. In final assembly, the coupling sleeve 20 is positioned intermediate the two holders 18 and the fibre ends are contacted within a centering device 22 inside the coupling sleeve 20. The connector provides for a flexible yet efficient contacting of fibre ends, wherein variations in fibre end-to-end contact pressures may be accommodated. <IMAGE>
Patent GB-2006061-A (GB)
Title: Rotary cutting tool
IPC: B23B27/12
Filed: 1978-09-28
Abstract: A rotary cutting tool has a supporting element secured in the tool body opposite to the cutting zone, said element interacting with the tool spindle 3 or cutting element 4 and intended to load the spindle with forces which approach closely the cutting forces in magnitude but are opposite to them in direction. The rotary cutting tool features high stiffness and resistance to vibration thereby ensuring higher accuracy, quality and efficiency of machining. The element comprises a shackle 6 moved inwardly by eccentric pin(s) 9 to preload a bearing 11 against the cutting element 4. Alternatively a screwthreaded plug acts directly, or via a plate, on an intermediate element which bears against a bearing surrounding the spindle. <IMAGE>
Patent GB-2030852-A (GB)
Title: Device for holding a plurality of plant pots
IPC: A47G7/04
Filed: 1978-10-04
Abstract: The device has an intersticed frame the interstices 5 of which are disposed in staggered rows and provide the locations for the pots. The interstices in both longitudinal and diagonal rows are staggered.   The frame is a plastics moulding. It has indented peripheral parts 10, 11 which enable the frame to be intermeshed with a similar frame. The interstices taper axially, and the frame may be stood in alternative attitudes in which the taper is respectively upwards and downwards to support pots at alternative levels. <IMAGE>
Patent GB-2007178-A (GB)
Title: Belt Conveyor
IPC: B65G/
Filed: 1978-11-07
Abstract: This invention relates to a belt conveyor comprising a conveying belt 1 suspended in a plurality of suspension points in a stand, which belt includes energy-absorbing elements 2 and a flexible belt portion 4 located therebetween, it being possible to transport therewith goods not only in an open but also in a closed way. Rollers are arranged in the conveyor stand to co-operate with the energy-absorbing elements and to carry the belt in an endless path, the belt being driven by driving rollers arranged in the stand, and the energy- absorbing elements are designed as a V-section, while every roller co- operating with such a V-section of the belt extends with its axle substantially in parallel with that side of the V- section, to which the roller abuts with its running surface, and every driving roller for driving the belt includes at least one V-belt groove for driving engagement with one of the V- sections of the belt, and held in this driving engagement by means of at least one pressing roller 10. <IMAGE>
Patent GB-2010582-A (GB)
Title: Low impedance capacitor
IPC: H01G4/32
Filed: 1978-11-15
Abstract: An electrical capacitor comprising two spirally wound elongated rectangular electrodes 30, 34, with a separator between them, and elongate terminal means 42, 52 each having a central portion connected to the central region of respective electrodes so as to form a four- terminal device. <IMAGE>
Patent GB-2014537-A (GB)
Title: Improvements in and relating to cranes
IPC: B66C23/74
Filed: 1978-12-20
Abstract: A crane is given added lifting capacity by adding additional counter- weight (21) to the normal counter- weight (17) while maintaining stability by adding a pair of auxiliary carbody weights (22, 23) on the front and rear of the carbody between the crawler assemblies (12, 13). <IMAGE>
Patent GB-2019042-A (GB)
Title: Apparatus to Supply Air and Oxygen
IPC: A61M16/10
Filed: 1979-03-06
Abstract: An apparatus for controlling the supply of oxygen 108 and air 92 to a supply line 116 for a breathing appliance comprises a mixing valve 54 actuated by pulses from a modulator 8 and an oscillator 6. The output lines 50, 52 from the modulator are connected with closures 62, 64 interposed between the oxygen and air supplied and a mixing chamber. Capacitances 10, 12, determine the frequency of the oscillator and a barostat 30 regulates the signals to the valve 54 so that air only is supplied to the line 116 below 5000 ft and oxygen only above 20,000 ft. Failure of the oxygen supply causes a valve 86 to close so that the air supply is also interrupted and an indicator 130 is operated. Manual valves 136, 140 allow an emergency oxygen supply to be connected to the appliance. The apparatus may be used in anaesthesia or adapted for underwater use. <IMAGE>
Patent GB-2016958-A (GB)
Title: Wet separation by jigging
IPC: B03B11/00
Filed: 1979-05-15
Abstract: In a jig washbox, an agglomeration of solids of different specific gravities is deposited into a bath containing liquid and as a result of a jigging action in the liquid, the lighter materials remain near to the surface and are discharged together with some of the liquid over a weir whilst the heavier solids sink and are fed to one or more discharge zones. The heavier solids are withdrawn from a sump (20) at the base of the washbox, which is in communication therewith, by a pump (23) which forces the solids entrained in a stream of the liquid from the sump through a pipe (24) to a remote station for separation of the entrained solids, and returns the separated liquid via a pipe (25) to the inlet of the pump. Several pumps may be provided which communicate with, and withdraw solids from, different parts of the washbox. <IMAGE>
Patent GB-2052309-A (GB)
Title: Machine for sorting particulate material
IPC: B07B1/15
Filed: 1979-06-08
Abstract: For sorting particulate material, such as gem stones on its maximum dimension, a machine has two rotary members 1, 2 which rotate in opposite directions close to each other, the members having generally helical grooves 4 of opposite hands so that when the rotary members rotate, the respective grooves register to form a series of gaps through which an undersized particle can fall. <IMAGE>
Patent GB-2025567-A (GB)
Title: Closure apparatus for pressure vessel.
IPC: F16J13/00
Filed: 1979-06-12
Abstract: Closure apparatus for a penetration (4) in a prestressed concrete pressure vessel (5) has a sealing cover (3) and a supporting cover (2). The penetration (4) has a first liner (6) with a flange (7) sealed against a flange (11) of the sealing cover (3) by annular seals (12) accommodated in grooves (12), this arrangement constituting a primary sealing zone (14; 31). A second liner (18) surrounds the first liner (6), is mounted on a fork (16) secured to the first liner and is connected to an annular supporting surface (19). This surface (19) co-operates with a bearing surface (20) on the supporting cover (2) to form a secondary sealing zone (21) at which forces are transmitted from the supporting cover (2) to the pressure vessel (5). <IMAGE>
Patent GB-2024659-A (GB)
Title: Spray nozzle
IPC: B05B1/30
Filed: 1979-08-01
Abstract: A spray nozzle, particularly suitable for dust suppression duties, has a body 10 with an axial opening 14 in which is located a valve member 23 which is movable to vary the rate of flow of spray fluid, and together with the body defines an annular flow path which converges on the outlet 16. The flow path comprises two generally conical parts of different angles. The valve member 23 is threadedly engaged in the body and is adjustable by means of a tool inserted in hexagonal bore 25. The valve also has a flexible sleeve 33 which prevents flow until the water pressure reaches a predetermined level.   The arrangement enables unblocking of the outlet to be easily achieved and loss of water from the nozzle is prevented when the supply is turned off. <IMAGE>
Patent GB-2034959-A (GB)
Title: Lead-acid battery
IPC: H01M2/18
Filed: 1979-08-31
Abstract: A tubular plate for electrical lead acid accumulators comprises tubes formed of porous fibrous material having a shape such that the ratio of volume to surface area of active material is no greater than 0.20 times the thickness of the tube taken in a direction between the sides of the plate which face the negative electrodes. At least one side of each tube has a concave surface. The tubes are formed with integral rigid flanges formed by weld joints between the tubes. The flanges support the tubes and aid in shaping of the tubes.
Patent GB-2034640-A (GB)
Title: Magnetic display panel
IPC: G02F1/09
Filed: 1979-09-17
Abstract: A magnetic display panel comprises a front sheet and a rear sheet of non-magnetic material between which is a chamber including a plurality of pockets, the pockets containing a fluid mix consisting of a magnetic coloured pigment, a hydrocarbon fluid or its oxygenated derivatives or an aqueous solution, a surface active dispersing agent and a pseudo-plastic thickening agent. A magnetic stylus is used on the front sheet to cause the magnetic coloured pigment, in the form of magnetic particles, to move through the fluid mix. Erasure is by application of a magnet to the underside of the panel. <IMAGE>
Patent GB-2032963-A (GB)
Title: Non-chromate Conversion Coating Solutions
IPC: C23C22/53
Filed: 1979-09-20
Abstract: Improved brightness and corrosion resistance are imparted to metal surfaces such as zinc plated surfaces, by treatment with an aqueous non- toxic conversion coating solution comprising 0.2-45 g/l sulfuric acid, 1.5-58 g/l hydrogen peroxide and 3-33g/l SiO2. Certain organophosphorus and organonitrogen compound additives can be included in the solution further to enhance the corrosion resistance of metal surfaces treated with the solution. The solution is free of chromate and may be used for coating Zn, Cd, Ag, Cu, Al, Mg surfaces.
Patent GB-2034383-A (GB)
Title: Window insulation
IPC: E06B9/40
Filed: 1979-10-09
Abstract: A thermal insulation arrangement for a door or a window comprises a transparent sheet drawn down from a spring-loaded roller at the top of the frame. The sheet is creased or embossed in a pattern to define adjacent areas so as to isolate puckering or rippling effects. <IMAGE>
Patent GB-2061137-A (GB)
Title: Improvements in electrical cartridge fuses
IPC: H01H85/143
Filed: 1979-10-15
Abstract: In an electrical cartridge fuse of the type which is connected to a fuse holder or mounting in an electrical circuit by means of terminal lugs 8 secured to the metal end caps 2 of the fuse, each of the terminal lugs is of generally L-shape in section and has one arm 12 seated in a recess formed in the outside of the end wall of the associated end cap, and the lug is secured to the end cap by deformation of the wall of the recess into engagement with the arm 12. The invention provides a manner of securing the terminal lugs to the end caps of such cartridge fuses which permits consistently accurate fixing of the terminal lugs. <IMAGE>
Patent GB-2034120-A (GB)
Title: High-voltage modular-type multiple-break dead-tank circuit- interrupter
IPC: H01H33/88
Filed: 1979-10-16
Abstract: A modular-type compressed-gas circuit-interrupter of the dead-tank type has four series connected modular arc extinguishing units in a "H"-type mounting construction, utilizing a common operating mechanism 15 for each pole unit. In another embodiment, six modular arc extinguishing units are arranged. The end units, being arranged vertically, with the two or four units being arranged in a horizontal disposition. <IMAGE>
Patent GB-2062357-A (GB)
Title: Antenna arrangements
IPC: H01Q3/08
Filed: 1979-10-29
Abstract: An antenna arrangement which is suitable for use in an earth station which forms part of a geostationary satellite communication system has a main reflector 8 mounted so as to be rotatable about an hour angle axis 6 which is fixed relative to the ground, and about a declination axis 10 which is fixed relative to the main reflector. An hour angle axis is substantially parallel to the earth's axis of rotation. An intermediate reflector 19 is mounted so as to be rotatable about the declination axis and it serves to reflect beam waveguided energy between a horn 40 and the main reflector, by way of the axis 6, an aperture 22 in reflector 8, and by way of a sub-reflector 21. <IMAGE>
Patent GB-2033259-A (GB)
Title: Mixture concentrator
IPC: C02F11/121
Filed: 1979-10-30
Abstract: A concentrator (16) for removing part of a medium from a mixture of media, usable, for example, for increasing the amount of proppant in a formation-fracturing foam is disclosed. The concentrator (16) comprises an elongate vessel (80) and a rotor (86) rotatably mounted inside the vessel on a shaft (88). The vessel (80) has a mixture intake (70) at a forward end and a concentrated mixture discharge (76) and an extracted medium discharge (78) at the rearward end. The rotor comprises a cylindrical stabilizer (92) arranged to impart a spin to the incoming mixture and, downstream of the stabilizer, intake impeller means (94) which can comprise a plurality of annular intake impellers. The intake impeller means (94) remove a portion of one medium from the mixture in the annular channel (100) surrounding the rotor into an internal passageway inside the rotor (86) such that flow through the impeller means approximates a free vortex flow pattern. The removed medium passes along said passageway to discharge impeller means (96) and outlet (78). <IMAGE>
Patent GB-2038168-A (GB)
Title: Suction cleaning apparatus
IPC: A47L11/30
Filed: 1979-11-29
Abstract: A suction cleaning apparatus in suitable for dry and wet suction cleaning methods includes a container 10 for the collection of solids and/or liquids, a motor-driven suction fan unit 20 for generating a vacuum in the container, and an interchangeable reservoir unit 50 for wet cleaning or, connector member 80 for dry cleaning interposed between the fan suction unit and the container. The inter-changeable reservoir unit may comprise a trough 56 from which cleaning liquid is expelled by exhaust air flow from the suction fan unit into discharge tube 65. A float valve 70 may be provided to prevent entry of liquid from container 10 into the suction fan unit. A filter element 84 for dry dust collection may be incorporated in the connector member or a separate dust collecting bag may be provided in the container. The apparatus may be used for cleaning floors, carpets, walls, curtains, and upholstery. <IMAGE>
Patent GB-2041766-A (GB)
Title: A magnetic ice-hockey game
IPC: A63F7/06
Filed: 1980-01-03
Abstract: A box 2 with a transparent cover 2a contains a magnetic puck 7 running on silica gel balls 6. A stick 3 with a magnet 9 is used to guide the puck into a goal 5. The box 2 contains obstacles namely, a magnet 11, a metal piece 12 and a rubber piece 13. The balls are held on the plastics base by static electricity or can be replaced by balls on both surfaces of the puck. <IMAGE>
Patent GB-2049149-A (GB)
Title: Tubular heat exchangers
IPC: F28F9/02
Filed: 1980-04-15
Abstract: A header tank for a heat exchanger eg a vehicle radiator, comprises an extruded metal or plastics hollow or re-entrant elongate section (11) with integrally extruded longitudinally extending projections (13, 14, 17, 18) which can be used for mounting and/or connecting purposes. <IMAGE>
Patent GB-2077579-A (GB)
Title: Net bed
IPC: A61G7/10
Filed: 1980-05-13
Abstract: A net bed comprises a flexible web (1) of mesh or net form slung between two generally parallel shaft assemblies (2 and 3) supported in support crutches (5-8) of a support frame (4). The shaft assemblies (2 and 3) each comprise a tubular shaft (9) around which the corresponding end of the net (1) is wound and which extends between end fittings (10 and 11) which fit into the support crutches. Each shaft (9) can be turned by an end winding handle (12) and has net retaining hooks (19) which are inclined to the radial and "handed", the direction of such inclination being such that the net can only be wound on to either shaft (9) so as to extend over the top thereof. The shaft assemblies (2 and 3) are further handed, to correspond with the direction of inclination of the hooks (19), so that they can respectively only be fitted at the left and right hand sides of the frame (4). For this purpose the two end fittings (10) are of different size, and the two crutches (5 and 6) which they respectively fit are also of correspondingly different size. <IMAGE>
Patent GB-2053946-A (GB)
Title: Photographic element having a magnetic recording stripe and method and coating composition for manufacture thereof
IPC: G11B5/633
Filed: 1980-05-16
Abstract: The photographic element has an alkali-soluble anti-halation layer and a magnetic stripe on the same side of the support wherein the stripe is firmly adhered to the support and is alkali- insoluble. The stripe contains as the binder:- alkali-soluble binder of the anti-halation layer and a cross-linked polymeric matrix formed from (A) an acrylated or methacrylated epoxy resin and (B) one or more polymerisable acrylic or methacrylic monomers, and, optionally, a cohesion-improving binder such as high molecular weight cellulose nitrate. The stripe may be formed by coating a novel liquid composition containing components (A) and (B), magnetisable particles, any additional binder (other than said alkali-soluble binder), a polymerisation initiator, if necessary, and an organic solvent which solubilises the alkali-soluble binder of the anti-halation layer on the anti-halation layer and curing the stripe e.g. by induction heating or radiation.
Patent GB-2077231-A (GB)
Title: Tamperproof packing cases
IPC: B65D6/00
Filed: 1980-06-11
Abstract: A packing case 10 is constructed from four side walls 12a and 12b and two end walls 13 each comprising battens nailed to planks. The nails 16 pass through the plank and into the batten in each instance, so that in the assembled packing case the heads of the nails are inside and inaccessible. The end of each side wall plank 14 abuts an end wall batten 17a or 17b. It is not possible to detach a side wall plank 14 from its associated battens 15a or 15b and then slide the plank 14 out of position and the packing case 10 is therefore substantially tamper-proof. <IMAGE>
Patent GB-2053618-A (GB)
Title: Television receiver
IPC: H04N5/64
Filed: 1980-06-17
Abstract: A television receiver includes a cabinet having at least three substantially vertical sides 10, screen receiving apertures 12 formed in at least two of said sides and picture screens in said apertures. The screens are arranged to display the same picture so that the picture can be viewed from at least two sides of the receiver. <IMAGE>
Patent GB-2061341-A (GB)
Title: Maintaining the permeability of paper machine felts
IPC: D21F1/32
Filed: 1980-08-12
Abstract: A method of maintaining the permeability of felts in paper, board and like machines comprises the steps of monitoring the permeability of the felt (1), and bringing into operation apparatus (5) for directing at the felt a spray of liquid for reconditioning the felt (1), when the monitored permeability monitored by means (11) reaches a first predetermined value and terminating the operation of the apparatus when the permeability reaches another second predetermined value higher than the first value. <IMAGE>
Patent GB-2086458-A (GB)
Title: Double glazing arrangement
IPC: E06B3/964
Filed: 1980-10-29
Abstract: A double glazing arrangement has an outer frame 11 adapted to be fixed to a window surround. At least one pane is capable of being mounted for horizontal sliding movement within the outer frame, the pane having an individual frame formed of four extruded lengths having square cut ends. Each frame length has an inwardly facing channel, and the channels 24 of the side lengths 20, 21 are capable of receiving the adjacent ends of the other pair of lengths 22, 23 or vice versa whilst the channels of all four lengths are capable of receiving an identical glazing gasket 25 as a push fit therein. <IMAGE>
Patent GB-2066698-A (GB)
Title: Cutting element for solid waste comminutor
IPC: B02C18/18
Filed: 1980-11-19
Abstract: A cutting element for use in a comminuting apparatus including a generally disc-shaped body portion adapted to receive a shaft of the apparatus along a central axis for rotation about the central axis, and a plurality of teeth members 18 projecting radially from the body portion. Each of the teeth members includes a filleted portion 20 which joins the body portion and which defines an outer cutting edge. The outer cutting edges 22 of the teeth members in turn define a cutting path coaxial with the body portion central axis and the filleted portions each further include a concave surface 24, 26 angled with respect to the cutting path for urging material from the filleted portion. The cutting edges 28, 30 may be angled with respect to the cutting path and the teeth members may include a second and opposite cutting edge and concave surface as shown in the drawing for operation in a second rotational direction. <IMAGE>