baber/WOPTO huggingface dataset:
Patent GB-2028488-A (GB)
Title: Gas Turbine
IPC: F23R3/12
Filed: 1979-06-27
Abstract: A gas turbine combustion chamber 10 comprises a plurality of primary air inlets 20 with associated swirling means 26, and a plurality of fuel injectors located in fuel injector apertures 22, the fuel injectors and primary air inlets being arranged so that at least two primary air inlets are located between any two fuel injectors, the primary air all being swirled in one direction so that the fuel from one injector is sheared in opposing directions by the swirling primary air from adjacent primary air inlets. Little or no air enters the combustion chamber in the region of the fuel injectors and any air that does enter in that region is not swirled. <IMAGE>
Patent GB-2026585-A (GB)
Title: Shuttering for casting bridge decks
IPC: E01D19/12
Filed: 1979-07-26
Abstract: A shuttering panel 10 for use in making a concrete bridge deck is made by spraying glass fibre reinforced cement (g.r.c) onto a former. The panel has a flat periphery 12, an upwardly convex channel section section central portion 14 with sloping ends 16, and upstanding flanges 18 at its edges whereby several such panels can be adjoined. A removable closure 50 provides an opening in the cast deck 26 giving access to telescopic support beams 38. The panel may have upper and lower parts 28,30 interconnected by corrugated part 32 all of g.r.c. and filled with expanded plastics 34,35,36. <IMAGE>
Patent GB-2028940-A (GB)
Title: Disc Brake Assembly
IPC: F16D55/00
Filed: 1979-08-13
Abstract: A disc brake assembly (10) has a torque member (12) including a flange (26) extending axially over the periphery of disc (10) and having a bore (22) to receive a pin (28) for slidably supporting a caliper assembly (32). The pin (28) threadably engages the torque member (12) and extends on both sides of the disc (40) and there may be a further pin (30). On one side of the disc (40) the one pin (28) slidably engages the caliper assembly (32), while on the other side of the disc the one pin (28) slidably engages one (38) of a pair of brake pads (36,38). The one pin (28) co- operates with a resilient bushing (50) on the caliper assembly (32) to form a sliding connection therebetween and also co-operates with a resilient bushing (81) on the one brake pad (38) to form a sliding connection therebetween. An optional thermoplastic sleeve (52) may be disposed between the resilient bushing (50) on the caliper assembly (32) and the one pin (28). Braking torque is transmitted to member (12) via an abutment interface between caliper assembly (32) and flange (26) at (77). <IMAGE>
Patent GB-2029093-A (GB)
Title: Attachment of caps to press- sealed lamps
IPC: H01K1/42
Filed: 1979-08-21
Abstract: An electric lamp comprises a bulb (1) closed by means of a glass press stem (2), a cap shaped metal part (3) resiliently fixed to the press stem (2) without adhesive, a cylindrical base sleeve (9) pressed into the cap shaped metal part (3) and current lead in wires (11) which emerge from the glass press stem (2) and are insulated from each other where they through the base sleeve (9) and are soldered to a base contact (13) and to the base sleeve 9. <IMAGE>
Patent GB-793878-A (GB)
Abstract: 793,878. Oil-break switches. SIEMENSSCHUCKERTWERKE AKT.-GES. July 20, 1955 [July 21, 1954], No. 21063/55. Class 38 (5). A high-voltage low-oil content polyphase circuit-breaker has a housing of insulating material accommodating all the switching chambers. The housing may have cylindrical compartments 4 arranged in line as shown, or the compartments may be arranged symmetrically about a central axis. The housing may be of casting resin and have connecting conductors 5 pressed or cast in. Ribs 6 may be provided on the housing to increase the lengths of leakage paths and the housing may be arranged to provide insulation between the poles of the circuit-breaker and earth. The top of the housing may have a metal portion 2 closed by a cover 3.
Patent GB-2036428-A (GB)
Title: A Semiconductor Device
IPC: H01L23/057
Filed: 1979-11-19
Abstract: A semiconductor device wherein a coating film which is made of a polyimide resin or a polyimide isoindoloquinazolinedione resin and which is at least 10  mu m thick is disposed on at least an active region of a semiconductor substrate, and the resultant semiconductor substrate is encapsulated in a ceramic package. The semiconductor device has troubles relieved conspicuously, the troubles being ascribable to alpha-rays which come flying from impurities contained in the material of the package.
Patent GB-2036979-A (GB)
Title: Method and apparatus for simultaneously recording voltage and voltage derivative in potentiometric stripping analysis
IPC: G01R19/00
Filed: 1979-04-26
Abstract: In the simultaneous recording of the voltage (U) between a working electrode and a reference electrode in a measuring instrument for potentiometric stripping analysis of a solution containing metal ions, and of the derivative of this voltage by means of a single-channel printer (8), the output signal of the measuring instrument, i.e. the voltage (U) between the electrodes, is supplied simultaneously to the printer (8) to be described in a diagram as a function of time, and to a deriving amplifier (9) to be derived. The output signal of the deriving amplifier (9), i.e. the derivative of the voltage (U), is used during the description of the voltage (U) as a function of time to mark in the diagram each point of time when the voltage (U) is changed.
Patent GB-2067397-A (GB)
Title: Liquid applicator
IPC: A47L23/05
Filed: 1980-01-10
Abstract: An applicator for liquid has a resilient inlet portion (11) for connection to the outlet of a container (9), a control membrane (19) extending across the inlet portion and containing a slit (20), a rib (26) in the inlet portion for bearing on the control membrane when the inlet portion flexes to thereby open the slit and for preventing the inlet portion from obstructing the slit. A frame (22) on the opposite side of the control membrane has fabric (30) mounted thereon and a plurality of lugs (27) on the control membrane for maintaining a constant volume chamber between the fabric and the membrane. <IMAGE>
Patent GB-2045211-A (GB)
Title: Optic actuator
IPC: G01F11/32
Filed: 1980-02-21
Abstract: An actuator for a drink dispenser or optic (1) has a casing (11) secured to the optic by an upper portion (13, 14) engaging a mounting lug (8) of the optic and a forward portion (15) embracing the body of the optic. A first lever (16) pivotally mounted in the casing has a free end which engages the actuating pegs (5) of the optic and is operated by a second, similarly mounted, lever (22) the free end of which extends below the first. <IMAGE>
Patent GB-2072460-A (GB)
Title: Telephone exchange test apparatus
IPC: H04M3/30
Filed: 1980-03-20
Abstract: In a telephone exchange system the lines can be tested by so- called remote units (5) each located at one of the exchanges (3,4) of the system. There is also one or more test desks (1,2) at a maintenance centre or central exchange. A block of numbers is tested by setting up a path from one of the test desks to the remote unit appropriate to that block, either via the public network or via a dedicated path. Then the remote unit's number is sent, followed by the first line's number. This causes that line to be tested and the test results sent to the common unit for display and/or reading thereat. Then the next number is send to the remote unit to cause testing, and so on. The block of numbers can be consecutively, in which case automatic routing is possible, or non- consecutively numbered. <IMAGE>
Patent GB-2051218-A (GB)
Title: Cord Anchorage
IPC: F16G11/00
Filed: 1980-06-02
Abstract: This invention concerns releasable cord anchorages, principally for use with elastic cord. These anchorages comprise a body 2 having an aperture or bore 3 through which the cord 12 is passed and reversed and a slot 4 in which the cord is retained so as to maintain reversal of the cord. The anchorage is provided with some means of securement to a surface or object and such means include eyelets, hooks and holes for screws.   <IMAGE>
Patent GB-2063027-A (GB)
Title: Method for receiving designated channels in CATV system
IPC: H04N7/173
Filed: 1980-09-18
Abstract: A method of operating a multi- channel community antenna television system in which a charge is made for reception of one or more channels comprises initially displaying instructions when a chargeable channel is selected, and displaying the selected chargeable channel only in response to carrying out of the aforesaid instructions by a user. The method also permits television sets to be switched on and off by a central facility for the display of advice or instruction, and further permits operation of any of the sets to be prevented by the central facility.
Patent GB-2056302-A (GB)
Title: Filter elements
IPC: B01D35/30
Filed: 1978-10-26
Abstract: A filter element (14) comprises a generally frusto-conical frame having a disc (16) defining the narrower end of the element, an annular ring (17) defining the other end of the element and circumferentially spaced ribs (16) connecting the disc and ring, and a mesh spanning the spaces between the ribs, disc and ring. The element is made of nylon and arranged to nest in a similar element (15). <IMAGE>
Patent GB-2088294-A (GB)
Title: Road Goods Vehicle
IPC: B60P3/42
Filed: 1980-11-08
Abstract: To increase the usage and flexibility of a tractor for articulated wheeled trailers, when the trailer is to remain stationary for loading or unloading, the invention provides a body 14 which can be removably fixed to the 'fifth wheel coupling' 12 on the trailer thus constituting a light weight goods vehicle. <IMAGE>
Patent GB-2070166-A (GB)
Title: Improvements in Anti-skid Braking Systems for Vehicles
IPC: B60T8/74
Filed: 1981-01-16
Abstract: An anti-skid braking system for a motor cycle wheel (1) includes an anti-skid mechanism (5) in the form of a combined modulator and skid sensing assembly. The assembly incorporates an inertia member in the form of a fly-wheel which is rotatably mounted on, and for rotation with respect to, a drive shaft, and an eccentric cam which is located on the drive shaft and is adapted to drive an hydraulic pump (not shown). The drive shaft is driven by a belt (6) driven from the wheel (1). A mechanical coupling (13) on the drive shaft (8) or on the inertia member, is coupled to a speedometer (11) through a flexible inextensible transmission member (12). Any failure of the drive mechanism for the anti-skid mechanism (5), for example, of the belt (6), will immediately be signalled to the rider by the speedometer (11). When the speedometer comprises an electronic speed meter, suitable electronic signals are generated by an inductive sensor driven from the drive shaft or the inertia member. <IMAGE>
Patent GB-2069502-A (GB)
Title: Process for Preparing Insulin Esters
IPC: C07K1/02
Filed: 1981-02-10
Abstract: Insulin and insulin-like compounds from certain species can in the presence of an L-threonine ester, water, a water miscible organic solvent, and trypsin be transpeptidized into a threonine<B30> ester of human insulin in which the protecting group(s) can be removed whereby human insulin is formed.
Patent GB-2099290-A (GB)
Title: Storage apparatus for cassettes and other articles
IPC: G11B23/023
Filed: 1981-06-02
Abstract: Apparatus suitable for the storage, in side-by-side relationship of cassettes bearing sound and/or video recordings, comprises a box-like housing (1), which may form part of an article of furniture, having an open front face through which the cassette cases (6) are inserted into the housing with their front faces (6a), displaying their respective titles exposed. The rear faces (6b) of adjacent pairs of the cassette cases (6) engage abutments (11, 12) at opposite ends of pivotted rockers (8) which, when in their intermediate positions, locate the front faces (6a) of the cassette boxes in a substantially coplanar surface. By pressing a cassette case inwardly the rocker (8) and abutments (11, 12) cause the other cassette box of a pair to move forwardly to facilitate it being gripped for removal. Guides (13) are provided between adjacent cassette boxes (6). (Figure 1). <IMAGE>
Patent GB-2100327-A (GB)
Title: Field-installed insulation and apparatus for and method of making and installing the same
IPC: E04F21/12
Filed: 1981-06-15
Abstract: A thermally-insulating, non- flammable, air-permeable insulation for installation in the field, for example, in closed cavities between the walls of a house. A multitude of individually preformed, foamed plastic particles are initially entrained in a carrier stream, and thereupon drenched with a settable film-forming, non-flammable, liquid substance; such as a sodium silicate solution. The liquid substance sets to form a film which covers and adheres the particles to one another to form a thermally-insulating dense structural aggregate mass having structural integrity, resistance to file, and venting capability. A method of making and installing the insulation, and a preferred apparatus therefor, are disclosed. <IMAGE>
Patent GB-2100770-A (GB)
Title: Shelter erectable by inflation
Inventor: APPLEBY JAMES
IPC: E04H15/20
Filed: 1981-06-18
Abstract: A collapsible shelter having a roof, comprising: inflatable framework (1, 2, 3) having at least one passage for receiving gas for erecting said framework, said framework having a configuration for defining at least a portion of a roof configuration; and a foldable cover (4) at least partly secured or at least partly securable to said framework so as to provide roof covering. The shelter optionally comprises at least one anchor means (6) having at least one passage for receiving liquid for enabling said anchor means to provide at least some anchorage of said shelter. <IMAGE>
Patent GB-2079284-A (GB)
Title: Aqueous acrylamide solution for production of high molecular weight polyacrylamide
IPC: C02F1/54
Filed: 1981-07-07
Abstract: An aqueous solution of acrylamide substantially free from 2- cyanoethyl acrylate is provided. Use of this aqueous acrylamide solution leads to the production of polyacrylamide which has a high molecular weight and good solubility in water and is useful in such applications as papermaking binders and flocculants.
Patent GB-2106193-A (GB)
Title: Turbomachine rotor blade
Inventor: SNELL LEONARD STANLEY
IPC: F01D5/14
Filed: 1981-09-24
Abstract: A fan blade 15 comprises first and second aerofoils 20, 21 extending from the blade root 16 and connected at their outer ends by a third aerofoil 22. The first, second and third aerofoils 20, 21, 22 may be made from a unitary bifurcated body or, alternatively, the third aerofoil 22 may be made separately and connected to the ends of the first and second aerofoils 20, 21 by a hinge pin. <IMAGE>
Patent GB-2086249-A (GB)
Title: Mixing apparatus
IPC: B01F23/47
Filed: 1981-10-12
Abstract: An apparatus for mixing a highly viscous fluid with a low viscous fluid by use of a pipe (4) containing static type fluid mixer elements (3), and one or more perforated plates (2), the perforations amounting to less than 0.55 of the area of the plate, and any individual perforation being less than 0.1 of the total area of perforations in the plate, at least one static type mixer element facing the outlet (6) of the pipe. <IMAGE>
Patent GB-2100545-A (GB)
Title: A continuous wave fan beam tomography system having a best estimating filter
IPC: G01N23/06
Filed: 1981-10-29
Abstract: A continuous wave fan beam tomographic system having continuous x-ray absorption values sampled at a sampling rate by sampling unit 24 and means to provide a best-estimate  chi (t) of the x-ray absorption values  chi (t) at discrete points in time determined by sampling signal s(t). The means to provide a best-estimate include a continuous filter 22 having a frequency range defined by the geometry of the mechanical system (Figure 1 not shown). Errors due to the statistical variation in photon emissions of the x-ray source are thereby minimized and the effective signal-to-noise ratio of signals is enhanced, which in turn allows a significant reduction in radiation dosage. <IMAGE>
Patent GB-2088489-A (GB)
Title: A bearing unit
IPC: B60B35/18
Filed: 1981-11-04
Abstract: The invention refers to a bearing unit for driven or non-driven wheels of vehicles. The unit incorporates an inner member (5), an outer member (1) with intermediary rolling bodies (2) and retainer (10) and seals (11). The inner member (5) is provided with a flange-like member (7) for attachment of the unit to a wheel or to a vehicle. The invention is characterized thereby that the flange-like member (7), which extends radially outside the rolling bodies (2), has recesses (14), which make it possible to mount and inspect the retainer (10) and/or the seal (11) from the exterior of the flange-like member (7).
Patent GB-2110842-A (GB)
Title: Heating control apparatus for presses
Inventor: TAYLOR HERBERT CECIL
IPC: B30B15/34
Filed: 1981-12-01
Abstract: Heating control apparatus (2) for applying additional heat to a hot press for a predetermined period of time, the hot press having a first press member (10) which is movable towards a second press member (8), heating means (4,6) for heating at least one of the first and second press members, and heating regulator means (12), the heating control apparatus comprising switch means (24) for bypassing the heating regulator means and for allowing heat from the heating means to pass to the said at least one heated press member, circuit means (28,30,16) for placing the switch means in circuit with the heating regulator means, and timer means (32) for controlling the length of operation of the switch means. <IMAGE>
Patent GB-2105955-A (GB)
Title: Computer
Inventor: LEININGER STEVEN
IPC: G06F3/06
Filed: 1979-07-20
Abstract: A system for generating and displaying characters and graphics on a VDU comprises a memory Z28 for storing codes each having a portion representative of a character and a portion representative of a type, which may be alpha-numeric or numeric (type code). The data is fed to both alpha-numeric and graphic generators Z29 and Z8 having outputs connected respectively to shift registers Z10, Z11. The type codes are used to provide SELECT signals which determine which of two gates Z26A, Z26B start the clocking of the appropriate shift register. The outputs of the registers are combined in a NOR gate Z30 (Fig. 13C) and thence fed to the grid of the VDU. <IMAGE>
Patent GB-2112290-A (GB)
Title: Throwing devices
Inventor: OLDMAN DAVID JAMES
IPC: A63B59/02
Filed: 1981-12-24
Abstract: In order to enable a projectile, such as a ball, to be thrown accurately over a considerable distance, the projectile is placed within a hollow tube 3, having one end closed off by a wall 4, mounted on the end of a shaft 1, the projectile being retained within the tube 3 by a resilient flap 7. The shaft 1 is then grasped at the end remote from the head 2 and swung in a circular arc in the direction of the arrow 8, with the result that the projectile is released from the open end 5 of the tube 3 and travels on a trajectory away from the head 4. The head 2 may take other forms. For example, it may be constituted by two jaws between which the projectile is held prior to being released, or by a curved tubular enclosure which is open at one end. <IMAGE>
Patent GB-2091520-A (GB)
Title: Ultrasonic Probe
IPC: G01S15/89
Filed: 1982-01-11
Abstract: An ultrasonic probe assembly comprises a rectilinear array 11 of ultrasonic vibrators to which is bonded a lens 20, capable of conversion between linear and sector scans, and sound propagation medium 30 such as rubber, water or gel. When the vibrators are subjected to linear scanning, as by successively energising a series of groups Gi or Gj, an ultrasonic beam Ba or Bb, focused at Pf, effects sector scanning in body 40. The acoustic lens 20 can be convex or concave depending on the relationship between velocities of sound passing through the lens 20 and medium 30. <IMAGE>
Patent GB-2095423-A (GB)
Title: Guide mechanism for a magnification varying device in a copying machine
IPC: G03B27/34
Filed: 1982-03-15
Abstract: In a copying machine the size of an image relative to an original is changed by means of a zoom lens system 3 having a first lens group mounted in a barrel 4 and a second lens group mounted in a barrel 12. Each of the barrels 4 and 12 is removably secured to a respective holding member 5, 13 by means of screw-threading. The members 5 and 13 are guided for movement in a direction parallel to the optical axis of the lens system 3 on the one hand by means of a guide bar 8 which slidably passes through holes (6 and 15, Figure 3 not shown) in the members and on the other hand by means of rotary members 10 which roll along a guide member 11. The member 5 is driven by a lead-screw 17 driven by a motor 18. The separation of the lens groups during zooming is controlled by a rotary cam 20, held in contact with members 5, 13 by spring 19. <IMAGE>
Patent GB-2098867-A (GB)
Title: Sustained release pharmaceutical composition
IPC: A61K31/445
Filed: 1982-05-18
Abstract: The invention provides a sustained release pharmaceutical composition comprising a mixture of micronised indoramin or a pharmaceutically acceptable salt thereof, a water-channelling agent and a wetting agent, the mixture being in the form of a non-compressed pellet and having an enteric coat or a sustained release coat permeable to gastrointestinal juices. Sustained release capsules are also provided comprising a plurality of the aforementioned pellets.
Patent GB-2100067-A (GB)
Title: Mounting arrangements for electrical power circuits
IPC: H05K5/06
Filed: 1982-05-28
Abstract: A mounting arrangement for an electrical power circuit includes a casing 10 and a lid 16 which can be secured to the casing to close an open end thereof. The lid carries the heat producing components of a power circuit and acts in use, to dissipate the heat produced by said components. The casing contains an electrical socket 13 for engagement by a plug 21 on a support frame carried by the lid, the frame having guide means 22 for engagement with cooperating guide means 23 in the casing. <IMAGE>
Patent GB-2103516-A (GB)
Title: Liquid development of electrostatic images
Inventor: CORMIER RAYMOND G
IPC: G03G15/10
Filed: 1982-07-01
Abstract: A developer liquid block (28) for a photocopier is made from mouldable plastic that forms a surface to which developer liquid is non-adherent. The block, with passages (54) for developer liquid, has a concave upper surface (48) which is located in close proximity to the photosensitive surface of a drum. A transverse conductive developer electrode strip (30) may be supported in a recess (68) of the block downstream from where the developer liquid is supplied to the photosensitive surface. Alternately multiple electrode strips can be employed on the block, or the block (or only a surface portion thereof) can be embedded with conducive particles to provide the electrode surface(s). <IMAGE>
Patent GB-2113317-A (GB)
Title: Hydraulically controlled and cooled unit fuel injector
Inventor: PERR JULIUS P
IPC: F02M59/30
Filed: 1982-12-03
Abstract: A unit injector (200) of the cam actuated, open nozzle type includes an extremely compact injector body (202) having a minimum number of internal flow passages and a two piece injector plunger (222) arranged to provide pressure/time metering, scavenging fuel flow, hydraulic timing and wear compensation in advance timing mode. Sharp cut off of fuel injection without high "crush" loads and wear compensation in retard and advance modes is also provided by the embodiment of Fig. 3. The injector body (202) has an exterior shape designed to form a fuel supply flow path (204) and an isolated fuel drain flow path (206) between the exterior surface of the injector body (202) and the interior surface of the recess (203) in which the injector (200) is received. This arrangement allows a very simple pattern of passages (mostly radial passages) to be formed in the injector body. <IMAGE>