baber/WOPTO huggingface dataset:
Patent GB-2063573-A (GB)
Title: Inductive suppression devices
IPC: H01F17/06
Filed: 1979-11-16
Abstract: An inductor device particularly suitable for use as a suppressor with thyristor switching devices comprises a coil 2 wound on a magnetically susceptible core leg 1, the ends of said core leg being joined by a separate bridge 5, 6, 7 of magnetically susceptible material to provide a continuous magnetic path. The magnetically susceptible material is suitably ferrite and the number of turns wound on the core leg should be such as to give the maximum magnetic field without saturation in the continuous magnetic path occurring. The core is held by a steel clip 8 and is encapsulated 9. The permeability of the core may be adjusted by suitably reducing the area of contact between the core parts; by using non- magnetic gaps; or by misalignment of core parts. <IMAGE>
Patent GB-2038269-A (GB)
Title: Safety braking assembly
IPC: B66D1/54
Filed: 1979-12-17
Abstract: A safety braking assembly for a lift or hoist comprises a brake drum 22 driven into rotation when the lift or hoist exceeds a preset downwards speed, a braking strip 50,52 disposed around the drum and means 60,64 for progressively tensioning the braking strip in response to rotation of the brake drum. As the drum rotates, pegs 70 thereon co-operate with teeth on a wheel 66 to rotate the wheel, through which a spindle 64 is screw-threadedly engaged, so as to displace the spindle axially, thus pivotting a link 60 about its pivot 62 to increase the tension in the braking strip. <IMAGE>
Patent GB-2042359-A (GB)
Title: Improved liquid filter and filter element
IPC: B01D29/23
Filed: 1979-12-31
Abstract: A liquid filter comprises a housing which includes a chamber closed by a lid, an internal flange adjacent the lid supporting a filter bag/basket which includes a rim making a hermetic seal with the flange or housing. In Fig. 1 flexible filter bag 44 has an integral plastics rim 52 which seals against the housing wall over the rim of outer supporting basket 40. In Figs. 10-12 (not shown) the integral rim of the basket (84) makes a bayonet type connection with pins on the inside of the housing flange, so that rotating the basket forces the basket rim down on to a gasket (76) on the flange. <IMAGE>
Patent GB-2046559-A (GB)
Title: Tilted unitary degaussing coil arrangement
IPC: H04N9/29
Filed: 1980-02-12
Abstract: A single degaussing coil (20) for a kinescope (10) has a first portion (20a) located along a first side of the base of a generally pyrimidal kinescope envelope or bulb. Second and third portions of the coil extend along portions of second and third sides of the base and are joined by a fourth portion of the coil lying between the juncture of the neck and the bulb. The first portion 20a tends to degauss the shadow-mask (332) while the diametrically opposite portion, due to a tilt in the axis of the single coil in relation to the tube axis, lie adjacent the small end of an internal magnetic shield of frusto-conical shape and hence more efficiently magnetically interact therewith. The single tilted coil requires lower degaussing energies in operation and a simpler wiring in manufacture. <IMAGE>
Patent GB-2070936-A (GB)
Title: Female incontinence device
IPC: A61F5/455
Filed: 1980-03-06
Abstract: A female incontinence device includes an external resilient pad 18 designed to make sealing engagement with that portion of the user's anatomy which is external to the labia majora and a mount connected to or forming part of the pad. A funnel 12 is carried by the mount pad shaped and dimensioned so that a rim thereof can engage that portion of the user's anatomy which immediately surrounds the meatus of the urethra. The funnel may be arranged to be a snap fit on the mount. <IMAGE>
Patent GB-2048237-A (GB)
Title: Glass for sealing beta-alumina in electrochemical cells
IPC: H01M50/191
Filed: 1980-04-09
Abstract: A glass for sealing a beta- alumina tube in a sodium-sulphur cell has a composition suitable to resist attack by sodium at elevated temperatures and a coefficient of thermal expansion suitable for use with beta-alumina. The glass consists essentially of 28-48 mol % B2O3, 0-20 mol % SiO2, 16-28 mol % Al2O3, together with 18-33 mol % of at least one alkaline earth metal oxide selected from BaO, SrO, CaO and MgO, the proportions of the constituents being such that the combined total of B2O3 and SiO2 is 40 to 60 mol % and furthermore being such that 0.517 A1 + 0.0354 A2 - 0.0063 A3 + 0.168 A4 + 0.1336 A5 + 0.098 A6 + 0.1597 A7, lies between 5.7 and 6.4 where A1, A2, A3, A4, A5, A6 and A7 are the respective molar percentages of B2O3, SiO2 Al2O3, BaO, CaO, MgO and SrO. A cell sealed with such a glass is described.
Patent GB-2078079-A (GB)
Title: Coupling device
IPC: A01B59/06
Filed: 1980-05-13
Abstract: The present invention concerns an improved hitch for coupling implements to a towing vehicle. A hitch for coupling implements to a towing vehicle comprises a plug member 12 which is connectible with a socket member 14, and catch means 32 for locking the plug and socket members when interconnected, one of the members having attachment means for connection with the towing vehicle and the other member being secured to the implement for connection with the towing vehicle, the socket member having a tapered collar for guiding the plug member into engagement therewith.   <IMAGE>
Patent GB-2053429-A (GB)
Title: Water heaters for mobile installations
IPC: F24H1/14
Filed: 1980-05-15
Abstract: A water heater for mobile installations such as caravans comprises a coil of pipe 3 mounted in a sealed container 1 filled with a frost- resistant heat carrier 2 which is constantly kept at a predetermined temperature by heating elements 12, 13. A hot water tap 8 controlling the outlet from the coil 3 is electrically connected to a feed pump 6 immersed in a water reservoir 15 so that when the tap is turned on water is fed through and heated by the pre-heated coil 3. When the tap 8 is turned off, the pump 6 is switched off first so that air enters the coil 3 and allows the water to drain back into the reservoir 15. <IMAGE>
Patent GB-2051512-A (GB)
Title: Transient data recorder systems
IPC: G11C27/04
Filed: 1980-05-29
Abstract: A transient-data recording apparatus utilizes high speed charge coupled devices comprising a plurality of channels, each including a sample section and a charge storage and transport section. The sample section may comprise an input diffusion in a buried channel, an isolation gate, a cutter gate, a signal gate and a buffer gate. The transport and storage section utilizes a multiphase electrode system. The buffer gate drive is independent of the multiphase electrode system drive and has a different duty cycle and rise time. Reference is made to arrangements for coupling the CCD's to the driving source.
Patent GB-2054441-A (GB)
Title: Apparatus for forming channels or slots in building materials such as concrete and stone
IPC: B28D1/18
Filed: 1980-06-09
Abstract: Apparatus for cutting a circular channel or slot 15 in a building part 5, comprises a post 7 adapted, by means of a foot 4, to be fixed to the part 5. Pedestal 8 slidable along and around the post 7 is loaded towards the foot 4 bye spring 16 and carries holding arms 2 mounting percussion hammers 3 having respective tools 14 (See Figure 2) each having an enlarged head with a frusto-conical end face from which protrude cutting tips 25 distributed in a spiral array. Pedestal 8 is rotated around the axis of the post 17 by a motor 21 having a drive pinion 21 engaging with internal teeth in a cog- wheel 19 provided at the upper ends of struts 18 upstanding from the pedestal 8. <IMAGE>
Patent GB-2078489-A (GB)
Title: Internally ventilated footwear
IPC: A43B7/06
Filed: 1980-06-18
Abstract: An article of footwear, for example a shoe, includes a hollow sole 7 having perforations communicating within the interior of the footwear, and an impeller mechanism located in the heel and activated by intermittent pressure applied to the heel during walking, the impeller being connected to the hollow sole by means of a duct 41, thereby to provide ventilation to the interior of the footwear. <IMAGE>
Patent GB-2071838-A (GB)
Title: Plate type heat exchanger
IPC: F28D9/00
Filed: 1979-08-23
Abstract: A plate type heat exchanger adapted for handling particularly highly viscous fluid, which heat exchanger comprises a plurality of plate elements (1) tightly engaged with each other to form spaces (4), (5) for both media to be heat exchanged therebetween, each of the plates (1) being provided with a plurality of partition grooves (2) laterally extending in space in the vertical direction over the entire heat transfer surfaces thereof, and waveshapes (3) extending vertically in space laterally of the partition grooves.
Patent GB-2062060-A (GB)
Title: Bar for Purlin
IPC: E04B7/00
Filed: 1980-10-08
Abstract: A metal bar of J cross section adapted to act in an inverted position as a purlin, said bar when acting as a purlin having a main web 11 from the upper longitudinal edge of which a single transverse web 12 having a downturned edge lip 13 projects to one side and from the lower longitudinal edge of which a pair of generally coplanar webs 15 and 16 respectively project to opposite sides of the main web. The purlin 10 is made by cold rolling a steel sheet, the pair of coplanar opposed transverse webs 15 and 16 being formed by folding back the steel sheet beneath one said transverse web to project beneath the bottom of the main web to the other side of the latter. An insulated roof structure is described when parallel inverted J purlins are used to support angle section members extending perpendicularly between said purlins to form a lattice of peripheral frames for supporting roofing sheets. <IMAGE>
Patent GB-2064679-A (GB)
Title: Sealing the End of a Pipeline Sleeve
IPC: F16L7/02
Filed: 1980-10-30
Abstract: A pipeline 1 for carrying a fluid such as gas, water, petrol or oil is enclosed within a nitrogen filled sleeve 2. At the end of the sleeve 2, a solid collar 3 is placed around the pipeline 1 and inserted a certain distance inside the sleeve 2. An end cap 4 is then placed over the extreme end of the sleeve 2 and around the pipeline 1. A synthetic polymeric material, for example rubber or polyurethane, is injected into the space between the end cap 4 and collar 3 through a filler hole 5 to completely fill the space. The rubber or polyurethane, which forms a seal, is vulcanized or cured respectively to the internal surface of the sleeve 2 and the external surface of the pipe 1. The internal surface of the sleeve 2 and the external surface of the pipe 1 are treated, for example by shot blasting, to ensure that the synthetic polymeric material adheres to the internal surface of the sleeve and the external surface of the pipe. The sleeve and pipeline have their own separate cathodic protection systems. Strops 15 are secured to lugs circumferentially arranged around the outside of and at the end of each sleeve to prevent the end seals 10 from being blown out. <IMAGE>
Patent GB-2086851-A (GB)
Title: Portable and extensible case
IPC: B25H3/02
Filed: 1980-11-11
Abstract: A portable and extensible case for the display and carriage of articles comprises a base tray (1), a pair of coplanar middle trays (2) slidably mounted on the base tray and a top tray (5) pivotally connected to the middle trays (2) by links (4) so that when the middle trays are pulled apart the top tray (5) is raised whereas when the middle trays (2) are pushed together the top tray (5) will be lowered. The top tray (5) has closure lids (6) hingedly attached to its ends, and ball catch devices are fitted between the base tray (1) and the middle trays (2) for maintaining the latter in their retracted or extended positions. <IMAGE>
Patent GB-2067547-A (GB)
Title: Insulation material
IPC: C04B30/00
Filed: 1980-12-18
Abstract: An insulating composition comprises a mixture of comminuted cellulose (e.g. paper), boric acid and expanded silicate glass.
Patent GB-2093780-A (GB)
Title: Transmission for vehicles having two power sources
IPC: B62M6/60
Filed: 1980-12-30
Abstract: A vehicle, having a driven wheel, includes two independently operable free wheel arrangements, both of which are arranged to transmit drive to the wheel in the same direction. The vehicle may be a bicycle, in which the conventional pedal drive is transmitted to one of said free wheels via a chain, and in which a prime mover, e.g. an electric motor driven by a battery, is mounted on the bicycle to drive the other free wheel via an endless chain.
Patent GB-2067722-A (GB)
Title: Steam turbine governing valve
IPC: F16K47/04
Filed: 1981-01-15
Abstract: A steam turbine governing valve in which a valve member has a cavity and inlet 23 and outlet A ports leading to and from the cavity. The member also has a portion which is a close fit in an outlet formation 13 of the valve housing when the member is at or near its position in which the valve is closed. As the valve is opened flow can progressively increase through the inlet ports, the cavity and the outlet ports to increase the pressure at the valve outlet. The pressure in the outlet ensures that flow adheres to the wall of the valve seat and to the outlet formation as the valve opens. This reduces noise. Flow is possible only through the cavity until the portion clears the outlet formation, after which flow can occur past the outside of the valve member. <IMAGE>
Patent GB-2074318-A (GB)
Title: Dark Field Viewing Apparatus
IPC: G02B27/50
Filed: 1981-03-24
Abstract: Dark field viewing apparatus comprises either (a) a source of coherent plane wave radiation and focused coherent receiving means, or (b) a source of focused coherent radiation and a coherent receiver of plane wave radiation, the source and receiver being axially aligned in both cases; and elimination means to eliminate any radiation which in the region of the focus would travel substantially parallel to the axis of the apparatus. The apparatus may be a transmission or a reflection scanning acoustic microscope or an optical holographic recording system, and the elimination means may be a small acoustically-absorbent stop. <IMAGE>
Patent GB-2081242-A (GB)
Title: Hydrophobic gypsum
IPC: C04B28/14
Filed: 1981-07-30
Abstract: Hydrophobic gypsum for making gypsum cardboard sheets, is produced by introducing a mixture of hemihydrate and/or anhydrite and a hard wax or a hard wax-solid hydrocarbon mixture in solid, finely-divided form into water and, after setting of the gypsum, subjecting to a chemical reaction by means of a thermal treatment in which partially chemical and partially physical bonds are formed between the polar groups of the hard wax and the cations of the binding agent.
Patent GB-2105987-A (GB)
Title: Smoke and fire protection screen
Inventor: HOMER LESLIE THOMAS
IPC: A62C2/10
Filed: 1981-09-08
Abstract: Disclosed is a flexible smoke and fire resistant screen which may be used to close an opening, such as a corridor in a building, to provide a barrier against fire. The screen may comprise a series of tubular elements which are normally stored in a rolled up condition above the said opening and which are released to extend downwardly over the opening in response to a signal from a fire detector. The tubular elements are automatically filled with water on their release and each member is in contact with at least one adjacent member. The members are formed of a fire resistant material and may be filled with any fire resistant fluid or a granular material such as sand. <IMAGE>
Patent GB-2111863-A (GB)
Title: Spray apparatus and method of spraying articles and an article made by the method
Inventor: KEMPTHORNE CLEMENT SAMSON
IPC: B05B13/02
Filed: 1981-12-24
Abstract: Apparatus to spray liquid resin flux 4 from a trough 5 onto a PCB 2 has a rotatable perforated drum 3 containing an air delivery system 7 to deliver a flow of air substantially uniform along its length. The air delivery system has three tubular members, 7a, 7b, 7c. The first tubular member is arranged within the second and has a plurality of holes to allow air introduced into the first tubular member to communicate with the second. The second tubular member is arranged within the third tubular member to allow air in the second member to communicate with the third. Thus air can flow from the first member to the second and then to the third member and be expelled from the third member towards the flux on the carrier drum. <IMAGE>
Patent GB-2091907-A (GB)
Title: Controlling the emptying of a load with n charges from a mixing unit
IPC: G01G19/32
Filed: 1982-01-07
Abstract: A mixing installation consists of silos 7 for charging a container 8 with material which is weighed by scales 9, silos 16 for charging a container 11 with cement which is weighed by scales 12, the containers 8 and 11 discharging into a mixer 13 which receives water via a valve 14, the mixer 13 having a discharge slide 17 which is controlled from a process control unit 2 so that the first (n-1) charges are only partially emptied from the mixer 13 and the (n-th) charge is completely emptied from the mixer 13. <IMAGE>
Patent GB-2122309-A (GB)
Title: Pie filling depositer
Inventor: FULLERTON EDWARD
IPC: F16K11/085
Filed: 1982-04-13
Abstract: The depositer comprises a manifold (1) to receive a bulk amount of pie filling, and a plurality of valve outlets connected to the manifold; each valved outlet comprising a through passage (13) leading from the manifold and from which pie filling can be deposited; the through passage being formed with a recess (19) housing a valve member (21) displaceable in the recess to provide a surface (23) to restrict the flow of pie filling through the passage from the manifold; the surface (23) being a plain surface and said member being such that when in one position in the recess it leaves the through passage substantially unobstructed. <IMAGE>
Patent GB-2098645-A (GB)
Title: Mining machine
IPC: E21C35/04
Filed: 1982-04-28
Abstract: A mining machine 1, particularly for coal winning operations, comprises an electric motor powering inter alia a water pump 17, a transmission 6, 7, 8, 12, 13, 14, 19, 20, 21 and 22, from the electric motor to at least one rotary cutting head, the transmission incorporating a clutch 18, and a water pressure sensing device 31 (not shown) controlling the clutch 18, whereby the latter may not be engaged in a drive condition until a predetermined water pressure as been obtained. <IMAGE>
Patent GB-2102396-A (GB)
Title: Dispensing toner powder from a hopper using a roll
Inventor: ANDERSON DAVID G
IPC: G03G15/08
Filed: 1982-07-22
Abstract: Toner dispensing apparatus and dispensing roll therefor. The apparatus comprises a toner hopper the walls of which form an elongated opening from which toner is capable of being dispensed and a dispensing roll (55) to dispense toner from the hopper through the elongated opening into the developer chamber. The dispensing roll (55) is a cylindrical resiliently deformable foam roll having a plurality of depressions of predetermined size, shape and volume uniformly disposed on the roll and being capable of holding finely divided toner. The deformable foam roll including the depressions has a thin toner impermeable surface. In a preferred embodiment, the depressions are a plurality of longitudinal surface grooves parallel to the axis of the roll and uniformly spaced around the circumference of the roll. The roll is positioned relative to top and bottom lobe members (67, 68, 69, 70) in the toner hopper such that it provides a seal between the toner hopper and the developer chamber. The lobes also provide a means of expelling toner from the deformable foam roll (55) into the developer chamber as the roll rotates from the toner hopper past the lobe members into the elongated opening (54). In a specific embodiment the toner impermeable surface and the foam are formed of the same materials, the impermeable surface being formed as the continuous skin of the foam. In another specific embodiment the thin toner impermeable surface and the foam roll of the dispensing roll are separate layers bonded together at their interface. <IMAGE>
Patent GB-2104799-A (GB)
Title: Cleaning garments
Inventor: FRY DONOVAN NELSON
IPC: D06F58/02
Filed: 1982-08-18
Abstract: Garments are cleaned and decontaminated by tumbling the garments when in a damp state in a stream of filtered air (as defined in the specification) to effect drying of the garments and subjecting the dried garments to further tumbling in a stream of filtered air to effect removal of particles from the dried garments. Particle removal is preferably effected in an air stream of gradually reducing temperature. The operation may be carried out as part of a cleaning and decontamination cycle involving washing and drying in clean-room conditions followed by decontamination of the dried garments by tumbling in filtered air. Drying and decontamination may be effected in a single machine enclosed within a sealed auxiliary clean chamber incorporating filter means through which air for drying and decontamination may enter the machine, the drive means for the machine being located outside the auxiliary chamber. <IMAGE>
Patent GB-2107505-A (GB)
Title: Method and installation for recording and control of coded information on magnetic tape
Inventor: GOLUSHKO VYACHESLAV VASILIEVIC
IPC: G11B20/10
Filed: 1981-01-21
Abstract: A method of recording and control of the coded information on a magnetic tape consists in recording the coded information, in control reproduction of the recorded information during the intervals between two neighbouring code impulses, that reproduction being effected with the same magnetic head (7<u1>u/7<un>u) as that used for the recording, and in repeated recording and control reproduction of the recorded information in case of discovering a defective recording with simultaneously registering the moment of correct recording by means of a marker impulse. An installation for recording and control of coded information on the magnetic tape comprises a means (1) for recording code signals provided with a record register (3), a circuit (4) of forming the bit address byte, a unit (5) of valves (5<u1>u/5<un>u) and a unit (6) of record amplifiers (6<u1>u/6<un>u) which are connected to the recording magnetic heads (7<u1>u/7<un>u) and to the reproduction amplifiers (8<u1>u/8<un>u) the outputs of which are connected to a device (11) of control of the recorded code signals containing a unit (10) of valves (10<u1>u/10<un>u) which are connected through coincidence circuits (12<u1>u/12<un>u) to an intermediate register (13) connected to an output register (14). The device (11) comprises as well a logical circuit "OR" (15) and an inverter (16). The installation further comprises a device (24) for the code signals recording control and a unit (18) for recording and reproduction of marker impulses.
Patent GB-2110410-A (GB)
Title: An electric socket outlet with optic fibre connector
Inventor: FISHER JOHN GEOFFREY
IPC: G02B6/38
Filed: 1982-09-28
Abstract: In an electric socket outlet one socket contact 3 has, associated with the socket contact, an optical fibre F which is constrained to lie within, and substantially parallel to the axis of, the socket contact, where it aligns with a similar fibre in a plug contact 16. The electric socket outlet is particularly suitable for both electrically and optically connecting visual display units and mini-computers to an electrical supply source and a light emitting device. <IMAGE>
Patent GB-2113031-A (GB)
Title: Power supplies
Inventor: HEMINGWAY THOMAS KEITH
IPC: H02M3/335
Filed: 1982-11-03
Abstract: A pulse power supply comprises an inductor for storing energy received from a primary source, and a transfer device for passing the stored energy to a capacitor from whence the energy is discharged as an output pulse. To protect the supply from the result of no or incomplete discharge of the capacitor which can cause overvoltage on the capacitor at subsequent transfer steps, a switch is arranged to become conductive when such overvoltage occurs and thereby transfer energy from the inductor back into the primary source. A preferred use of such a supply is to pump a CO2 laser. <IMAGE>