baber/WOPTO huggingface dataset:
Patent GB-2092627-A (GB)
Title: Apparatus for separating and feeding chopped fibres
IPC: D01G23/02
Filed: 1981-02-06
Abstract: Apparatus for separating and feeding chopped fibres (e.g. chopped strand glass fibres) comprises a hopper (10) which receives the chopped fibres and an inclined conveyor (15) which forms one side of the hopper (10) and which has projecting hooks (18) which engage bundles of interlocked fibres and lifts them over the side of the hopper (10). The fibres are then received by a rotary member (21), which has a number of outwardly extending pins, hooks or prongs (24) which pass between the teeth of three stationary combs (27, 28 and 29) as the rotary member (21) rotates. The bundles of fibres picked up by the outwardly extending pins, hooks or prongs (24) are thus separated by the teeth of the combs (27, 28 and 29). Preferably, a second rotary member (30) also carries rows of pins, hooks or prongs (32) interfitting with the pins, hooks or prongs (24) of member (21), and with the teeth of a fixed comb (34) to effect final separation of the fibre strands. The separated fibre strands may be conveyed onwards through an air duct (36). <IMAGE>
Patent GB-2093070-A (GB)
Title: Manufacturing sponge iron
IPC: C21B13/12
Filed: 1981-02-11
Abstract: A method and apparatus for manufacturing sponge iron by the continuous reduction of iron oxides in a shaft utilizing recirculation gases. Reaction gas is removed from the shaft furnace, 1 substantially cleaned of all CO2 and H2O, and then divided into at least two flow portions one of which is passed to a gas generator 11 comprising a gas generating shaft substantially filled with a solid reducing agent and a plasma burner 12 arranged in the lower portion of said shaft. An oxidant is injected into the hot gas from the plasma burner so as to form a gas mixture mainly comprising CO and H2, which gas mixture is then mixed with the other flow portion of the cleaned reaction gas in such a proportion that the temperature of the resulting reduction gas is suitable for the reduction of iron oxides in the shaft furnace. The reduction gas is then injected into the shaft furnace and passed upwardly. <IMAGE>
Patent GB-2070794-A (GB)
Title: Automatic lens focusing system
IPC: G02B7/28
Filed: 1981-03-03
Abstract: The lens 12 is shifted to a focus setting corresponding to a distance greater than that determined by the automatic focusing system, in order to make full use of the available depth of field. The depth of field available varies inversely with the increasing size of the aperture. In the preferred form of the invention an acoustic rangefinder is used, the aperture is set by a light metering system, and the same light metering system is used to preload a focus control counter (88, Figure 6 not shown) with 1, 2 or 3 pulses depending on subject brightness. <IMAGE>
Patent GB-2081016-A (GB)
Title: Assemblies of Semiconductor Devices
IPC: H01L23/36
Filed: 1981-07-15
Abstract: A plurality of semiconductor devices 14 (e.g. SCRs or TRIACs) having a gate-electrode and opposed main electrodes, are mounted with that main electrode adjacent to the gate electrode connected to a common conductor 18. This arrangement facilitates firing of the devices by a common pulse generator. The connection is made via conductive plates 15, 16 which have recesses at one corner to accommodate the gate connection 19. Three devices mounted on a common conductor, which also acts as a heat sink, may be encapsulated to provide an assembly for use in three phase circuits. <IMAGE>
Patent GB-2081240-A (GB)
Title: Silicon Carbide Bodies
IPC: C04B35/573
Filed: 1981-07-24
Abstract: A self-bonded silicon carbide body produced by siliconising a preformed mixture of particles (shaped by means other than slip-casting) of carbon and silicon carbide in the beta form has a mean grain size in the range of 0.1-5 microns. Such a body may be produced using silicon carbide particles having a mean surface area in the range 0.5-20 square metres per gram. The silicon carbide particles may be produced by heating a mixture of silica and silicon to generate silicon monoxide vapour and passing the vapour through a bed of particulate carbon.
Patent GB-2091179-A (GB)
Title: Lift truck
IPC: B66F9/075
Filed: 1981-11-05
Abstract: A lift truck comprises a centrally disposed electric drive, two load- supporting wheel or roller arrangements 16, 17 provided at the load end, and laterally disposed caster wheels 40. The caster wheels 40 are carried by battery carriers 28, which are adapted to be moved out of the chassis of the vehicle while guide means of the battery carrier remain in engagement with the chassis of the vehicle. The carriers comprise at least a bottom structure and the caster wheels are arranged near the outer edge of the bottom structure. The carriers may either by swung out about vertical hinges 44 or may be guided by roller-carrying telescopic rails which extend along or transversely to the chassis of the vehicle. The invention is intended to facilitate access to the drive assembly and/or the batteries 26. <IMAGE>
Patent GB-2082492-A (GB)
Title: Turning tools
IPC: B23B3/02
Filed: 1980-03-28
Abstract: Turning tool including a drive centre (6) for turning a workpiece, a first elongate member (8), a tool arm (12) angularly pivotable and slidable longitudinally with respect to the first member and a second elongate member (10) parallel to the first and capable of being abutted by the tool arm. The tool arm is thus firmly supported even though it is movable radially and longitudinally of a workpiece. The second elongate member limits movement of the tool arm towards the workpiece and can be used by the operator to guide him in providing a cyclindrical turned surface.
Patent GB-2094940-A (GB)
Title: Piezo-electric valve
IPC: F02D41/20
Filed: 1982-02-11
Abstract: A fluid metering valve assembly, for example, a fuel injection valve for an internal combustion engine, comprises a hollow housing structure (1) formed with a passageway (23, 25, 27, 28) and an aperture (17, 20); a diaphragm (22) dividing the interior space of the housing structure (1) into two compartments (23) separate from each other; a piezoelectric actuator unit (11) enclosed in one of the two compartments (23) and including a plurality of piezoelectric discs stacked on one another, the piezoelectric actuator unit (11) being connected at one axial end (13) to the diaphragm (22); an adjustment screw (14) connecting the actuator unit (11) to the housing structure (1) at the other axial end (12) of the actuator unit (11) so that the axial position of the actuator unit (11) is adjustable with respect to the housing structure (1); and a valve element (24) movable in the other of the two compartments (23) and axially aligned with the piezoelectric actuator unit (11), the valve element (24) being axially movable by the actuator into and out of a position providing communication between the aforesaid passageway (23, 25, 27, 28) and aperture (17, 20). <IMAGE>
Patent GB-2093837-A (GB)
Title: Aminoalkyl substituted 1,2,3,4- tetrahydronaphthalenes
IPC: C07D295/08
Filed: 1982-02-12
Abstract: Aminoalkyl-mono or disubstituted naphthalenes represented by the formula   <IMAGE> wherein R, R1 and R2 each are the same or different members of the group consisting of hydrogen, hydroxy, loweralkoxy or halo, with the limitation that at least one of R, R1 or R2 must be other than hydrogen except in the case where R3 or R4 are phenyl-loweralkyl or substituted phenyl-loweralkyl, or R1 and R2 or R and R1 together can form a methylene bridge; n is 1 to 4; and R3 and R4 are the same or different members of the group consisting of hydrogen, loweralkyl, haloloweralkyl, loweracyl, benzyl, phenyl-loweralkyl, substituted phenyl-loweralkyl or R3 and R4 are taken together to form a piperazino, piperidino or morpholino moiety, and the pharmaceutically acceptable acid addition salts thereof. By their ability to interact specifically with various types of adrenergic and dopaminergic tissue receptors, these compounds are useful as therapeutic agents in the treatment of hypertension.
Patent GB-2341994-A (GB)
Title: Radar tracking system
Inventor: HOUSTON WILLIAM
IPC: G01S7/28
Filed: 1982-07-01
Abstract: Radar tracking systems can be affected by target glint and diffuse multipath interference. These effects can be reduced by eliminating pulses of a signal having relatively short durations. A signal is transmitted along a tapped delay line 10 having seven outputs 11 to 17. The signals on the outputs 11 to 17 are applied in parallel to respective elements of two diode arrays 18 and 19. These act to let through only pulses of duration greater than 1.5ms. By passing a signal from one of the outputs 11 to 17 through an acceptance circuit 21 any detremental effect of the diode arrays 18 and 19 action in the absence of glint and multipath interference can be reduced.
Patent GB-2103879-A (GB)
Title: <Method for producing a vertical channel transistor
Inventor: JANES TIMOTHY WILLIAM
IPC: H01L21/336
Filed: 1982-08-06
Abstract: A steep-walled mesa (5) is defined by ion beam, plasma or orientation dependent etch, and has a thick insulating layer (11) over its uppermost surface. The material of the mesa (5) is undercut to leave the insulating layer (11) overhanging. Further insulating material (15) is then formed thinly over the exposed mesa material and conductive material (17) deposited giving good coverage of the insulated side-walls of the mesa (5). Excess conductive material is removed by ion-beam milling, leaving a conductive material gate (17) in the shadow of the cap-like insulating layer (1). The orientation dependent etchant diazine catalyst ethylene diamine- pyrocatechol-water solution is used to form {111} crystal plane steep side- walled mesa from (110) surface oriented silicon, and aluminium metal conductive material (17) deposited by chemical vapour deposition. <IMAGE>
Patent GB-822489-A (GB)
Abstract: 822,489. Electric measuring devices. VYZKUMNY A ZKUSEBNI LETECKY USTAV. Feb. 21, 1956 [Feb. 21, 1955], No. 5334/56. Class 40 (1). An electromagnetic transducer of the differential transformer type comprises two ferromagnetic cores each having at least three salient poles, the poles of the two cores facing one another in pairs which are so disposed that relative movement between the cores in a direction normal to the poles alters the mutually overlapping area of the poles of at least two pairs, while maintaining the total overlapping area of these pairs, and of all the pairs, constant. In the embodiment shown in Fig. 2, a core 10 carries a primary winding 15, which is excited by A.C. between poles 2, 3, and two seriesconnected secondary windings 16, 17, between poles 1, 2 and 3, 4, respectively. Relative movement between core 10 and a second core 10a from a null position in which the poles 1a-4a of core 10a overlap the corresponding poles on core 10 over half their areas, varies the flux distribution in the cores as shown, thus producing unequal voltages in coils 16, 17, the difference between which is a measure of the displacement. In the embodiment shown in Fig. 3, both cores are cylindrical, core 10<SP>1</SP> being hollow with inwardly protruding annular poles and core 10a<SP>1</SP> having radially disposed poles, there being no air gap between the overlapping area of the poles; alternatively, the shape of the poles may be segmental. Core 10a<SP>1</SP> is mounted for axial movement, between resilient end plates 19, 20, the flexibility of which may be increased by the provision of circular corrugations or concentric arcuate slots. The Fig. 6 embodiment is suitable for measuring small relative angular displacements between cores 10<SP>11</SP> and 10a<SP>11</SP>. In devices comprising cores having only three poles, one pole must be large enough to overlap the corresponding pole on the other core at all working positions.
Patent GB-2111841-A (GB)
Title: Toy car
Inventor: NOMURA YOSHIRO
IPC: A63H17/045
Filed: 1982-10-18
Abstract: A flywheel 8 driven toy car includes a fan 20 mounted on a end of a drive shaft 9 which transfers drive between the flywheel 8 and wheels 6. A rubbing wheel 14 is mounted on the shaft 9 to rub against a fire stone 15 to emit flashes or sparks while the car is running, thereby giving the appearance of a working turbojet engine. <IMAGE>
Patent GB-2112128-A (GB)
Title: Fire grates; heating air
Inventor: DAVIES TREVOR
IPC: F24B1/188
Filed: 1982-10-28
Abstract: An open grate comprising an air heating box 3 which is U-shaped in plan and has a grid 2 supported within the U. The box 3 is divided by a horizontal partition into upper and lower portions respectively communicating with ports 16 and 15. The partition is equipped with an aperture in the back part of the box 3, so that cool air supplied to port 15 and hence to the lower portion of the box passes therethrough into the upper portion of the box whereafter the air flow splits, emerging from ports 16 as heated air. The lateral extensions 10 at the forward part of the grate may be extended by suitably shaped conduits, thus permitting an extensive hot air heating system for domestic use. <IMAGE>
Patent GB-2134777-A (GB)
Title: Floor sweeper
Inventor: ROBINSON GEOFFREY
IPC: A47L11/33
Filed: 1983-02-19
Abstract: A floor sweeper having a roller brush (14) and dustpan (16) is provided with a mechanism for varying the clearance between brush and dustpan. The mechanism may comprise a lever 21 pivotable about axis 22, a cam 23 attached to shaft 24, and follower 26 which engages in a slot 25 in the cam and which is connected to sliding frame 15, on which the dustpan is mounted. <IMAGE>
Patent GB-2121631-A (GB)
Title: Flip-flop circuit
Inventor: HINGARTH HEMRAJ K
IPC: H03K3/288
Filed: 1983-04-22
Abstract: A flip-flop circuit has first and second transistor latches Q2, Q3; Q4, Q5 responsive to a clock signal L mu R and to a data signal D and its inverse, respectively, and a third latch Q6, Q7 providing true and inverse subject signals Q, Q, signal Q being applied to a transistor Q8 also receiving at an input electrode the clock signal, the transistor being coupled in parallel with the input electrode of transistor Q3. <IMAGE>
Patent GB-2122679-A (GB)
Title: Improvements in adjustable butt hinge
Inventor: PHILLIPS ROBERT M
IPC: E05D7/00
Filed: 1983-06-27
Abstract: The invention relates to an hinge assembly of the butt hinge type in which a pair of plates (11, 12) having interdigitated knuckles (13, 14) are coupled by a pintle (18) extending in aligned openings (15) therein. The spacing between contiguous knuckles (13) on one plate (11) is greater than the length of a knuckle (14) on the other plate (12) received therebetween, and the relative positions of the plates (11, 12) in the assembly is determined by spacer elements (16) disposed between adjacent knuckles (13, 14). The space elements (16) are relocatable to permit raising or lowering of one plate (12) relative to the other (11). <IMAGE>
Patent GB-2127428-A (GB)
Title: Process for preparation of 1,2,4,5- tetraalkylbenzenes
Inventor: SAKAMOTO TERUHISA
IPC: C07B61/00
Filed: 1983-08-24
Abstract: Pseudocumene is alkylated to 1,2,4,5-tetraalkylbenzenes in the presence of, as a catalyst, a crystalline aluminosilicate having predominant pores of a size such as is provided by 10-membered rings of oxygen atoms and an effective pore diameter of at least 5 angstroms, in which at least parts of the ion-exchangeable cations are hydrogen ions.
Patent GB-2146024-A (GB)
Title: Phosphorous-containing monomers
Inventor: KRAUS MENAHEM A
IPC: C07F9/24
Filed: 1983-09-03
Abstract: The invention provides monomers of the formula  Z'-Q-Y-PX(=Z)-Y-Q-Z'  wherein  X designates NH Ar', N(R)Ar', NRR', OR, OAr',  Y designates -O-, -NH-, -S- or -N(CH3)-  Z designates =O or =S  Q is Ar or aralkylene  Ar designates p-C6H4, m-C6H4, R'C6H3,  Ar' designates C6H5 or R'C6H4  R and R' designate lower alkyl  Z' designates -NO2 or -NH2 These monomers may be used in the preparation of polymers as described in the Specification of our Patent Application No. 8016297 (Serial No. 2075996A).
Patent GB-2147499-A (GB)
Title: Improvements relating to workbenches
Inventor: PEARSE SUSAN
IPC: A47B9/14
Filed: 1983-10-08
Abstract: A workbench has a base (1) which supports a work top (2) by a telescopic leg (3) at each end. The amount of telescoping, and thus the height of the work top (2) is governed by a pin entered through selected apertures (6) in the lower part (5) of each leg and on which the bottom of the upper part (4) rests. Raising and lowering is achieved by a lever (11) pivoted on the lower parts (5) of the legs and coupled by links (12) to the work top. <IMAGE>
Patent GB-2132147-A (GB)
Title: Support jack
Inventor: DORNER REINER
IPC: B66F1/04
Filed: 1983-10-10
Abstract: A supporting jack (1) for supporting the chassis of a commercial vehicle, comprising a ram (4) which is guided in a vertically adjustable manner in a guide member, the guide member forming a part of a subframe (2) of the jack (1) the ram (4) being arrestable at a desired level or height, wherein one side of the ram (4) is provided with arresting steps (6) and the guide member comprises guide pieces adapted to the shape of the ram (4); the ram (4) and the guide pieces having a prismatic cross-section, a locking pawl (3) being mounted, at one of its ends, in the subframe (2) and the other end being engageable in one of the steps (6), the locking pawl (3) being displaceable with the raising of the ram (4) and engageable, as desired, in any of the steps. <IMAGE>
Patent GB-2131652-A (GB)
Title: Telecommunications exchanges
Inventor: CHEETHAM ROBERT
IPC: H04Q11/04
Filed: 1983-11-25
Abstract: A telecommunications exchange includes line identification apparatus in which signals on additional wires (the 'p' wires) (1) which are switched in parallel with the speech pairs are used to identify an originating exchange line circuit. On detection of seizure of the 'p' wire (1) at one of a number of call logging points (11) a data signal is transmitted by a transmitter circuit (9). On detection of such a signal a receive circuit (2) adds a plurality of data bits to the signal identifying one of a number of associated 'p' wires (1) on which the signal was received and transmits the modified data signal to a receiver multiplexer (4, 4'). On receipt of the modified data signal the receiver multiplexer (4, 4') adds a respective plurality of data bits to the signal identifying one of a plurality of receivers (2) connected thereto and retransmits the signal to a further multiplexer (5, 5'). The further multiplexer (5, 5') adds a respective plurality of bits and transmits the signal to a control circuit (6, 6') which adds further bits identifying the further multiplexer (5, 5'). The complete signal is then transmitted to call logging apparatus. <IMAGE>
Patent GB-2153003-A (GB)
Title: Pivotal connection arrangement
Inventor: MAXWELL FREDERICK CHARLES
IPC: A61F9/06
Filed: 1984-01-13
Abstract: A pivotal connection arrangement for use in pivotally connecting two members such as a visor and strap arrangement of protective headgear together, comprising a stud (5) having a circular cross-section shank (15) for receipt in circular holes in both said members (1,3), the shank (15) carrying at least one radial projection (16), and a head (17) at one end of the shank (15) and providing a surface facing the free end of the shank for engagement with a surface of one (1) of said members, the other (3) of said members being formed with a ramp surface (11) engageable by the projection (16) on the shank (15) of the stud (5) after passage through the holes in said one (1) and other (3) members, such that rotation of the stud (5) relative to both said members (1, 3) causes said projection (16) to ride up said ramp surface (11) whereby the head (17) of the stud (15) is urged towards said other member (3) with said one member (1) being gripped between the head (17) of the stud (15) and said other member (3). <IMAGE>
Patent GB-2135919-A (GB)
Title: Improvements in horizontal continuous casting
Inventor: MARTINY FRANK
IPC: B22D11/04
Filed: 1984-02-20
Abstract: In order to join a starting head (9) to a cast strand, a cavity (13) is formed for the head by discs (8) connected to meltable plates (11) sealing an inlet for molten metal into the cavity. The head (9) has projecting arms (9a) which assist in forming connection with the strand. A probe (16) detects filling of the cavity (13) so that withdrawal of the head (9) from the mould (1) may then commence. <IMAGE>
Patent GB-2139073-A (GB)
Title: Tongue for making cigarette rods
Inventor: OKUMOTO YUTAKA
IPC: A24C5/18
Filed: 1984-02-28
Abstract: A tongue for making cigarette rods having a mounting fixture 3a and a tongue body 3 for guiding shredded tobacco in a predetermined direction. The tongue body 3 is formed with a generally converging bore therewithin, the bore including a plurality of truncated sections, which have sizes gradually smaller toward the predetermined direction, each truncated section being defined by a first inner surface 3b, having a gradually smaller diameter toward the predetermined direction. Each two adjacent truncated sections define a stepped portion therebetween which has a second inner surface 3b, which faces said predetermined direction. The shredded tobacco is forced to be compressed and then relaxed along the stepped guide surface. While the combination of compression and relaxation is repeated, the diameter of the cigarette is gradually reduced to that desired. <IMAGE>
Patent GB-2139591-A (GB)
Title: Transferring articles between two apparatuses
Inventor: HOOLEY JOHN CLARKE
IPC: B65G47/66
Filed: 1984-04-27
Abstract: A conveyor (17) for positioning between first (10) and second (14) apparatus, comprises a member (18) rotatable about an axis (B) transverse to the direction in which articles are to be conveyed from the first apparatus (10) to the second apparatus (14) and the member (18) having a non-rigid conveying surface (19). The non-rigid surface (19) may be formed by a plurality of elements extending radially outwards from a hub e.g. a brush surface, or by a resilient material.   <IMAGE>
Patent GB-2143349-A (GB)
Title: Priority resolution in bus orientated computer system
Inventor: PRICE SIMON MICHAEL
IPC: G06F13/374
Filed: 1984-06-13
Abstract: The system includes a plurality of subsystems each connected to an associated logic circuit, means for periodically assigning to each of the subsystems, together with input to the logic circuit associated therewith, a priority indicating n-bit digital signal, Sets of n signal lines, one set connected to each logic circuit to carry a corresponding bit of the n-bit signal, ranging from the most significant bit (MSB) to the least significant bit (LSB), on each line, and an open collector bus having n bus lines, each connected to a corresponding one of the signal lines, wherein each logic circuit includes comparator means for cyclically comparing the bit value on the signal lines connected to the circuit with the corresponding current bus value to produce an output signal to enable or disenable the next least significant bit comparison by the circuit, whereby the logic circuit having the last enabled line at the end of each cycle of operation enables a requested connection of its associated subsystem. <IMAGE>
Patent GB-2144364-A (GB)
Title: Closed cabinets
Inventor: MARRIOTT NIGEL
IPC: B25J21/02
Filed: 1984-06-21
Abstract: The invention relates to closed cabinets and particularly a blast cabinet comprising a box-like structure, a working chamber within the box-like structure, access holes in one (front) wall of the working chamber with captive glove-like means 12 secured to and sealing the access holes, and extending into the working chamber, and a viewing window located in that wall above the access holes, said window being inwardly curved and set within a recess 9 in the cabinet. <IMAGE>