baber/WOPTO huggingface dataset:
Patent GB-2159664-A (GB)
Title: Hot carrier transistor
Inventor: BARNARD JOSEPH ALAN
IPC: H01L29/76
Filed: 1985-05-29
Abstract: Emitter, base and collector regions (7, 9 and 15) consist respectively of relatively wide energy band gap, relatively narrow energy band gap and relatively wide energy band gap semiconductor materials so as to provide heterojunctions between the emitter and base regions and between the base and collector regions. The the base region is sufficiently thin to constitute a quantum well for the carriers. This construction helps to avoid quantum mechanical reflection of carriers at the emitter-base and base-collector hetero-interfaces, and consequent reduction in gain. <IMAGE>
Patent GB-2186184-A (GB)
Title: Waterless cooking pot
Inventor: PETERSEN LEONARD MICHAEL
IPC: A47J27/00
Filed: 1986-02-12
Abstract: A cooking pot (10) of the waterless type has a thick aluminium bottom (18) and sits on a base (20) which has an electrical heating element (26) in the thick plate (22) thereof. The heating element (26) can be permanently embedded in the base plate (22). Alternatively the base can have a blind recess therein into which an electrical heating element is removably inserted. The base (20) includes a connector block (28) with an electrical socket (30) for receiving a plug (34) into which can be incorporated a timer and/or thermostat controlled by a knob (36). <IMAGE>
Patent GB-2184607-A (GB)
Title: Microwave beamforming lens
Inventor: BRADSELL PETER
IPC: H01Q21/00
Filed: 1986-02-21
Abstract: A microwave beam forming device which comprises a set of input ports 2 coupled to a set of output ports 3 via a planar microwave transmission path 1, in which the transmission path includes a fold 9 located so as to produce a predetermined curvature of a phase front across the path, the curvature serving in conjunction with the lengths of the individual beam paths within the device to produce a phase front having a modified curvature at the said output ports. A second fold may be added, and either set of ports may be replaced by a single linear aperture. The transmission path may be waveguide or stripline. <IMAGE>
Patent GB-2182627-A (GB)
Title: Continuous case packer
Inventor: ROBINSON CHRIS E
IPC: B65G23/24
Filed: 1986-10-31
Abstract: In a continuous case packer for receiving an ongoing stream of cases and containers and causing the containers to be deposited into the cases, the cases are fed on a conveyor assembly comprising an in-feed section 50, a staging section 60, and an out-feed section 66. The staging section and out-feed section are mechanically linked by sprocketing and each includes lugs for positively driving the cases received therein. The lugs are timed for continuous operation of receipt of cases from the staging area, filling of the cases, and removal of the cases from the case out-feed section. The case in-feed section includes a case stop 80 and brake 78 mechanism allowing for rapid movement of the incoming cases while providing for separation of the lead case to be fed to the staging section. <IMAGE>
Patent GB-2182609-A (GB)
Title: Dampener roll cover and methods of preparation and use thereof
Inventor: GOOSSEN CHARLES GEORGE
IPC: B41F7/26
Filed: 1986-11-11
Abstract: A sleeve for the ductor roll of the dampening train of a lithographic printing machine is formed as a sleeve of fibrous non-woven material, at least one component thereof being acrylic fibres which have had part of their material hydrolysed. Preferably the acrylic fibres have been hydrolysed in such manner as to provide a sheath of hydrolysed material and a core of unhydrolysed material. Methods of preparation and use are described. <IMAGE>
Patent GB-2187118-A (GB)
Title: Coating telecommunication cable cores
Inventor: SWIFT JAMES
IPC: B05C3/12
Filed: 1987-02-20
Abstract: Apparatus for use in applying an overall layer of petroleum jelly of constant radial thickness to a telecommunication cable core comprises an elongate chamber 2 having a plastics inlet die 3 at its upstream end, an inlet port 6 for petroleum jelly and, at its downstream end, a plastics support die 4 and, downstream of the support die, a plastics wiper die 5. The inner surface of the support die 4 has a plurality of circumferentially spaced longitudinally extending grooves 8 of such depths as to permit passage of the quantity of petroleum jelly necessary to enable the wiper die 5 to form on the core an overall layer of petroleum jelly of uniform radial thickness.   <IMAGE>
Patent GB-2209464-A (GB)
Title: Multi-positional bed: control arrangement
Inventor: WEKSLER ZEEV
IPC: A61G7/018
Filed: 1987-03-20
Abstract: A bed 10 comprises a generally rectangular base frame 12 to which is secured three supporting posts P1 to P3 at respective corners of base frame 12 and which carry a moveable upper frame 25. Each support post houses a drive mechanism for controlling the position of upper frame 25 in height, and in roll and pitch about axes parallel to the bed length and width respectively. The frame 25 may support a multi-section mattress 81, 82, 83, 84. <IMAGE>
Patent GB-2191055-A (GB)
Title: Fish detector
Inventor: FURUNO KIYOTAKA
IPC: G01S13/87
Filed: 1987-04-23
Abstract: A school of fish is considered to be present if a radar on a fishing boat detects a flock of circling sea-birds. 
<??>The radar operates at two carrier frequencies, in the S-and X- bands. Birds are identified by the fact that they produce returns only at the higher frequency. Whilst other objects (islands, ships) reflect at both frequencies. Processing is digital. The display may be in colour, with one colour indicating sea-birds. 
<IMAGE>
Patent GB-2214611-A (GB)
Title: Valves
Inventor: GOSTELOW BENJAMIN FRANK
IPC: F23N3/08
Filed: 1988-01-18
Abstract: A gas flow control valve 1 in a gas fuelled appliance comprises a rotary control member such as disc 5 for controlling gas flow through the valve, and an electric stepper motor 14 for effecting rotation of the rotary control member in dependence on an electric signal applied to the stepper motor. Preferably a plurality of valves is provided each operated by a stepper motor controlled either by individual drive means or by a single drive provided with multiplexing means. Each valve may also have a normally inaccessibly manually rotatable control member 24, 25 for emergency control. <IMAGE>
Patent GB-2214537-A (GB)
Title: Sound attenuating flooring system
Inventor: MACKENZIE R ROBIN KENNETH
IPC: E04F15/20
Filed: 1988-01-25
Abstract: This system involves a type of floating raft construction for laying on top of concrete slab or timber joist structural floors and is designed to attenuate the transmission of both airborne and impact sound. This system comprises of chipboard or timber flooring 3, laid upon and nailed or screwed to a series of timber battens 4 to which open cell foam strips 5 have been bonded. The open cell structure of the foam permits the attenuation of acoustic energy in the cavity between the battens by dissipation within the interstices of the foam itself. The open cell structure of the foam also allows air contained within the interstices to be expelled under dynamic load and thus permits a proportionately high vertical deflection in relation to the thickness of the material to be achieved. In addition to the airborne sound attenuation properties, the floor also provides the resilience necessary to isolate impact sound from being transmitted into the structural floor. <IMAGE>
Patent GB-2199821-A (GB)
Title: Method of an arrangement for purifying contamined water
Inventor: PERANIO ANTHONY
IPC: C02F1/20
Filed: 1987-05-22
Abstract: Contaminated water is purified by introducing a finite amount of water to be purified into a filter (7), filtering the thus introduced water to obtain partially purified water, accumulating the partially purified water in a confined space (9a) to form a body of water (12) therein, heating (10) the partially purified water to a temperature to and about its boiling point, reintroducing the partially purified water in the same filter, and continuously repeating the filtering, accumulation and heating steps with the partially purified water with attendent further purification of the partially purified water, until the degree of contamination of such water has dropped below a predetermined level. A predetermined portion of the purified water of the body may be distilled (43) subsequent to the completion of the purification operation, and the distilled water is collected (46) in a collecting space (45) for eventual consumption. An arrangement for performing the above method includes a vessel (9) which has a filter (7) arranged at its upper region (20) which bounds an accumulation chamber at its lower region (9a), and a lid (3) which is removably supported on the vessel. An electric resistance heater (10) is arranged either in the accumulation chamber (Fig. 1) or at the exterior of the vessel (Fig. 2), and a riser tube (16), which may have a steam collecting bell at its lower end, rises from the heater to the filter. The vessel may be received in and communicate with a steam condensing receptacle (45) for distilled water (46).
Patent GB-2207429-A (GB)
Title: Production of tetrahydrofuran
Inventor: SCARLETT JOHN
IPC: C07D307/08
Filed: 1988-07-28
Abstract: Tetrahydrofuran is recovered by a two stage distillation procedure from a crude hydrogenation product resulting from vapour phase hydrogenation of diethyl maleate and containing water, ethanol and a minor amount of n-butanol, and possibly also dissolved hydrogen, in addition to butane-1,4-diol, gamma-butyrolactone and "heavies" such as diethyl ethoxysuccinate. In the first distillation stage, conveniently operated substantially at atmospheric pressure, ethanol, water, and tetrahydrofuran are recovered as overhead product, are condensed to separate the condensible components from a hydrogen stream which can be vented, and the redistilled in the presence of a molar excess of butane-1,4-diol in a second distillation zone. Pure tetrahydrofuran is recovered as overhead product from the second distillation zone, whilst the bottom product therefrom is recycled to the first distillation zone.
Patent GB-2209290-A (GB)
Title: Cleaning soot from an exhaust gas filter
Inventor: ERDMANNSDOERFER HANS
IPC: F02B3/06
Filed: 1988-08-17
Abstract: Accumulated carbon is burned off a diesel engine exhaust filter by the action of an organic complexing agent which enables the carbon to burn at a minimum temperature. The agent is able to form a complex with a metal, e.g. iron or copper, which may be present as an oxide layer in the filter, in which case the agent, e.g. acetylacetone, is injected into the filter with compressed air. Alternatively the agent is complexed with the metal to form a compound, e.g. copper acetylacetonate, which is so injected. Two filters may operate in parallel, and are sequentially isolated from the exhaust gas flow and cleaned, with the resulting effluent gas recycled to the filter which is in use so that any copper lost from one filter is redistributed to the other. Or some copper acetylacetonate is dissolved in the acetylacetone fed to a filter with an oxide layer to compensate for copper loss.
Patent GB-2233640-A (GB)
Title: Mineral composition
Inventor: DEVLIN FRANK BRENDAN
IPC: B29C33/00
Filed: 1989-01-11
Abstract: A synthetically produced mineral composite is a cost effective substitute for naturally occurring materials such as marble, onyx and like materials. In the production process by the use of a stainless steel or likewise highly polished mould with adjustable lip, a thin section thickness of 2 mm can be produced. The mineral composite may have high optical brightness, reflectance or fluorescence and comprises a mineral powder, e.g. Irish marble dust, a pigment and a catalytically cured synthetic resinous binder.
Patent GB-2215709-A (GB)
Title: A container
Inventor: SYMONDS KENNETH SYDNEY
IPC: A01G9/10
Filed: 1989-02-13
Abstract: A container 1, e.g. for plant propagation, comprises a body defining a plurality of upwardly facing recesses 6 arranged in equally spaced rows. When the container 1 is positioned contiguously to another such container 1 with the end rows in each container alongside each other, the recesses in the end rows are spaced from one another by the same distance (2X) as that by which recesses in adjacent rows in the same container 1 are spaced (2Y). A continuous grid of divider walls 3 is provided above the recesses 6 so as to form barriers between them. <IMAGE>
Patent GB-2224189-A (GB)
Title: Tubular electric heater
Inventor: DUNNE MICHAEL P
IPC: F16L53/38
Filed: 1989-08-04
Abstract: A heating apparatus has a flexible heat tube (12) including a copper outer tube (40) containing a hairpinned heating element formed of a spiral of ultrafine resistance wire (43) wound on a flexible fiberglass core (42) and contained in a silicon rubber sheath (41). The heat tube (12) is sealably introduced into a housing (11) and the heating element is connected in series with control devices including a thermostat (18), a thermal switch (24) and a thermal cutoff (23). The thermal switch (24) intermittently switches the power supply ON and OFF to maintain the surface temperature of the tube below a selected limit where it emerges from the housing (11), fig 1, while the thermal cutoff (23) permanently breaks the supply of power in the event of short circuits across the hairpinned element or ground faults. The heat tube construction employing ultrafine resistance wire (43) prevents cascading i.e. a short circuit which travels along the tube. <IMAGE>
Patent GB-2239028-A (GB)
Title: Sintered ceramic article and method of manufacturing the same
Inventor: KUWABARA MITSUO
IPC: C04B35/65
Filed: 1989-12-12
Abstract: A sintered ceramic article which is to be joined to metal or form a composite member with metal comprises a metal compound or a metal separated and diffused in surface layers of particles of the sintered ceramic article. The sintered ceramic article is manufactured, for example, by forming a shaped article of ceramic powder e.g. SiO2, A1203, ZrO2, Si3N4, TiN, ZrN, BN, SiC, TiC, MoC, provisionally firing the shaped article, thereafter impregnating the provisionally fired article with a metal salt and/or a metal complex; and fully firing the provisionally fired article to produce a sintered ceramic article.
Patent GB-2243340-A (GB)
Title: Multi-colour writing or drawing instrument
Inventor: MELWANI VINOD HASHMATRAI
IPC: B43K7/02
Filed: 1990-04-10
Abstract: An instrument for writing or drawing in a plurality of colours, is arranged to change the colour in which it writes in automatic and random manner. The instrument (Fig. 1) may have a reservoir 10 filled with pellets or droplets 12 of different colour inks, which are expelled randomly upon rotation of a ball point 13. In another embodiment (Fig. 2) the reservoir may contain successive layers of different colour inks in random colour order. In other embodiments (Figs 3-5) the instrument may comprise a plurality of reservoirs containing different colour inks, and means for communicating the reservoirs randomly to a ball point or other surface or other surface-engaging element of the instrument. <IMAGE>
Patent GB-2244500-A (GB)
Title: Post supports
Inventor: PARISH BRIAN STEPHEN
IPC: E04H12/22
Filed: 1990-05-16
Abstract: A support member 10 comprises a square socket 16 provided with lateral flanges 24 having slots 32 curved about the post support centre, whereby the support member can be angularly adjusted when fixed down to a flat supporting surface such as the top plate of the spiked member 12. <IMAGE>
Patent GB-2248779-A (GB)
Title: Teeth flusher
Inventor: BALAKRISHNAN M
IPC: A61C15/00
Filed: 1990-10-15
Abstract: A teeth flusher, comprising a rubber pump which has a cap with the provision for the installation of a hose and suction tube. The cap may have a flexible closer whereas the suction tube may contain a ball bearing. A tube pointed tip is preferably inserted in a coned nozzle which is attached to the rubber hose. When the pump is pressed, the flexible closer closes by itself to retain pressure which pushes up the liquid into the suction tube. The ball bearing maintains a one-way flow whereby the liquid is transmitted to the hose upon continuous pumping. Subsequently the liquid is injected to the nozzle and focussed through the outlet, the pointed tube. Thus the pressurised liquid helps to flush out the minute particles caught between the teeth and cavities.
Patent GB-2245282-A (GB)
Title: Method of making an abrasion resistant steel
Inventor: SHIKANAI NOBUO
IPC: C22C38/00
Filed: 1990-12-24
Abstract: A method of making an abrasion resistant steel comprises the steps of: heating a slab having a chemical composition of about 0.05 to 0.45 wt.% C, 0.1 to 1.0 wt.% Si, 0.1 to 2.0 wt.% Mn, 0.05 to 1.5 wt.% Ti and the balance Fe to 1000 to 1300 DEG C, hot rolling a slab into a hot rolled product of which finishing temperature is in a range of from the Ar3 point to 1000 DEG C and directly quenching the hot rolled product, or air cooling and reheating above the Ac3 point followed by quenching the hot rolled product, or air cooling the hot rolled product, or directly quenching and tempering the hot roiled product at below the Ac1 point air cooling and reheating the hot rolled product at above the Ac3 point followed by quenching and tempering the hot rolled product at below the Ac1 point.
Patent GB-909435-A (GB)
IPC: F02B75/18
Abstract: 909,435. Balancing. BERLYN, M. J. Jan. 4, 1961 [Aug. 18, 1960], No. 405/61. Class 122 (3). In an internal-combustion engine balancing is effected by a pair of pendulums 13 and connecting rods 3 connecting the pendulums to the crank-shaft, a crank-pin on the crank-shaft driving the pendulums. The axis of the crankpin for driving the pendulums is interinediate the axis of the crank-shaft journals and the axis of the main crank-pin. Counterweights 6 are associated with the crank-shaft. The invention is applicable to a parallel twin four-stroke engine and also to single cylinder a multicylinder engine. As shown in Fig. 1, bob weights 7 are integral with the connecting rods 3. In Fig. 6 these bob weights are carried by the pendulums 13.
Patent GB-2257328-A (GB)
Title: Telephone switching tone and message utility
Inventor: LENIHAN JOHN P
IPC: H04Q1/444
Filed: 1991-05-01
Abstract: A tone and announcement PCM code generator (10) (Figure 1) outputs to selected multiple channels of a TDM telephonic switching system (12) selected tones and voice announcements stored in a message memory (16) according to command signals from a telephonic switching system central controller (12A) through a share memory (20) to a state machine, or sequencer, (22). The sequencer controls the message memory (16) to provide selected tones and voice announcements through a serial interface (24) on the selected TDM channels. The entire repertoire of tones and announcements can be down loaded from a central memory (12B) of the telephonic switching system (12), and customer designed voice messages from any channel of the telephonic switching system can be stored in the message memory (16) for later local playback or for up loading to the central memory (12B). All tones and announcements are processed uniformly and any tone or announcement can be preselected to any or all channels simultaneously for maximum system flexibility. The entire period of periodic tone signals including the silent segment are stored to enable processing in the same way as continuous tones. <IMAGE>
Patent GB-2255713-A (GB)
Title: Umbrella carrying attachment
Inventor: BURKE STEVEN DAVID
IPC: A45C13/40
Filed: 1991-05-17
Abstract: An attachment for facilitating the carrying of an umbrella comprises a main elastic loop 4 having one part which can be trapped within a briefcase (or suitcase) and another part which carries a pair of attachment loops 6 for holding the umbrella 14 in close proximity to the exterior of the briefcase. <IMAGE>
Patent GB-2250919-A (GB)
Title: Endoapparatus for restoration of hip joint
Inventor: RODNYANSKY LAZAR LVOVICH
IPC: A61F2/32
Filed: 1991-07-15
Abstract: An endoapparatus for restoration of the hip joint comprises a main rod (1) which is capable of sustaining a load essentially equal to the maximum loads carried by the lower extremity of the patient and which is hingedly connected by one end to a means of fixation to the hipbone (10) and by the other end to a means of fixation to the thighbone (3) consisting of an additional rod (2) intended to be secured inside the thighbone (2) essentially along the axis of the diaphysis (4) and essentially at an angle a to the main rod (l) essentially equal to the cervico-diaphysial angle. <IMAGE>
Patent GB-2259946-A (GB)
Title: Hinge
Inventor: COPPING STUART FRANK
IPC: E05D9/00
Filed: 1991-09-20
Abstract: A butt hinge comprises a first plate 2 and a second plate coupled by a spigot joint and the peripheral edges of the butt hinge plates are sloped to provide resistance to chiselling and levering. Fixing bosses 8 extend from the rear face of the hinge to provide strengthened fixing. The fixing bosses 8 are provided with a tapped blind bore into which bolts are fixed from the inside of the door or door post. A hinge backing plate 28 is used to strengthen the mounting. The first and second plates forming the butt hinge are integral castings in stainless steel. <IMAGE>
Patent GB-2251016-A (GB)
Title: Conditioning of formation for sandstone acidizing
Inventor: GIDLEY JOHN LYNN
IPC: C09K8/52
Filed: 1991-12-20
Abstract: A damaged zone of a subterranean oil-bearing formation is treated with four sequential fluids:   (a) a formation conditioning fluid comprising carbon dioxide, to miscibly displace oil from the damaged zone;   (b) an HCL acid preflush;   (c) a mud acid; and (d) an afterflush. ri
Patent GB-2263060-A (GB)
Title: Overflow control fitting for a bath
Inventor: DINKELDEIN DAVID JOHN
IPC: E03C1/242
Filed: 1992-01-03
Abstract: A method and device for dispensing water from a containment such as a bath comprises a sensor 19 provided in or adjacent the upper part of the bath such that in the event of water being detected by the sensor a signal is generated causing the outflow 13 to be opened. In addition, at least one tap supplying the bath can be isolated from the water supply so preventing the further supply of water to the bath. As a further feature an alarm system can be provided. <IMAGE>
Patent GB-2263464-A (GB)
Title: Pallet.
Inventor: BIRD BERNARD ADRIAN
IPC: B65D19/00
Filed: 1992-01-23
Abstract: A pallet has three hollow, closed elongate main blocks 12 in a spaced parallel relation, each having transverse through openings. A plurality of stringers 34 extend laterally across the aligned blocks 12 and locate in aligned ones of recesses 26 on an upper face thereof and recesses 32 on a lower face. Each of the stringers 34 is connected to the respective block 12 by a plurality of plastics plugs. As the blocks 12 and stringers 34 can be formed from a plastics material, the pallet is simple and inexpensive to manufacture, and durable and long lasting, being resistant to deterioration, and where necessary resistant to fire, when stored out of doors or under cover. <IMAGE>
Patent GB-2267420-A (GB)
Title: Concert-phones or reflective sound gatherers
Inventor: MYERS KRISPIAN PAUL
IPC: G10K11/28
Filed: 1992-05-06
Abstract: Concert-Phones are designed to aid audio reception of live performances. They consist of a headband and two open- fronted ear-cups. The ear-cups serve to reflect sound waves from the original source into the ear-drum and deflect sound waves from other sources. <IMAGE>