baber/WOPTO huggingface dataset:
Patent GB-2027524-A (GB)
Title: Rotary slide gate mechanism for metallurgical vessels
IPC: B22D41/26
Filed: 1978-10-17
Abstract: This invention provides a rotary slide gate mechanism 1 for use on a pour vessel 3 to control flow of molten metal through at least one outlet 4 in the vessel shell 2, whereby refractory insert plates 27 which are conveyed by said mechanism, may be moved in very close cooperating contact with a perforated refractory outlet plate 7 for the pour vessel, so as to control the flow of molten metal therethrough. The new slide gate mechanism therefor comprises a rotary moving frame 8 carrying support frames which are pivotable about two perpendicular axes in the plane of the rotary frame 8, the insert plates being pivotally mounted in the support frames, and a lever pushing system 34, 43, actuated from outside the area affected by heat from the outlet 4, to urge the inset plates against the outlet. <IMAGE>
Patent GB-2010193-A (GB)
Title: Control device for a rubber-tired excavating machine
IPC: E02F9/12
Filed: 1978-12-06
Abstract: In a rubber-tired excavating machine having a superstructure (11) mounted by means of a bearing for revolving movement on a carrier (10) with a front axle (13) the swinging movements of which are controlled by means of hydraulic cylinder and piston units (20) fixed between the front axle (13) and the carrier (10) and wherein between the cylinder chambers of the units (20) there extends a connecting conduit (29) which can be opened and closed by means of a valve mechanism (25, 27) Figure 3 (not shown) to allow or counteract swinging movements, a control device comprising a valve (32) disposed at the centre of the bearing of the superstructure controls pressure fluid from a means (28, 45) of the valve mechanism (25, 27) of the hydraulic connecting conduit (29) only in predetermined revolving positions of the superstructure (11) whereby communication between the hydraulic cylinder and piston units (20) is only allowed in stable revolving positions of the superstructure 11. <IMAGE>
Patent GB-2011752-A (GB)
Title: Method and apparatus for contactless rotational speed measurement
IPC: G01S13/58
Filed: 1978-12-15
Abstract: An electromagnetic system using a Doppler transceiver for the control and monitoring of the rotation speeds of various objects such as turbines. A digital readout of the revolutions per minute of the object is produced and thumb wheel counters are utilized to provide a maximum speed reference, which if exceeded, initiates a pulse to activate a solid state relay for governor control. The system described is effective over RPM ranges of 250 to 30,000 RPM and the accuracy of speed measurement within plus or minus one-half percent. The range can be readily be increased by using additional circuitry. <IMAGE>
Patent GB-2019304-A (GB)
Title: In-mold coating of molded articles
IPC: B29C43/18
Filed: 1979-01-15
Abstract: Articles made by molding sheet molding compound are coated by injecting into the sealed mold liquid compositions comprising (1) a vinyl ester resin formed by reaction of a poly epoxide resin and an unsaturated monocarboxylic acid, (2) a low shrink additive and (3) a silicate filler having a sheet-like structure such as a talc or a mica. These compositions are used to smooth surfaces, fill porosity and other voids and to eliminate or reduce sink marks. Coatings typically are cured in less than two minutes and appear able to provide many features of normal painting without paint facilities except possibly those needed for touch-up. They have good cross-hatch adhesion, and can adhere to an uncleaned SMC molding.
Patent GB-2022021-A (GB)
Title: Nozzle for Pressure Pulse Drop Ejectors
IPC: B05B17/04
Filed: 1979-05-21
Abstract: A nozzle 22 for use with a pressure pulse drop ejector system e.g. ink jet recorders, which is relatively insensitive to nozzle orifice rim imperfections, and provides reduced meniscus vibration facilitating a higher rate of drop formation. The nozzle 22 has a throat and is widened at the outlet orifice end. This removes the line of shear during drop formation from the fluid-solid interface to the fluid 24 itself. The widened orifice end reduces the amplitude of meniscus vibration. Decreasing the throat area increases meniscus damping. <IMAGE>
Patent GB-2023846-A (GB)
Title: Measurement electrode system
IPC: G01N27/403
Filed: 1979-06-08
Abstract: A measurement electrode system comprises a working electrode, an auxiliary electrode and, instead of a conventional reference half-cell, a solid electrode, such as a 2nd species electrode, the potential of which is stabilized by a constant ionic concentration of a solution introduced in the liquid to be tested. Combinations suitable for such a solid electrode are, for example, of the metal/metal oxide type such as Ir/IrO2. The invention overcomes the disadvantages associated with reference half-cells. The electrodes are connected in a polestrostat circuit, and may be incorporated in a single, solid supporting member. <IMAGE>
Patent GB-2060350-A (GB)
Title: Safety footwear
IPC: A43B7/32
Filed: 1979-07-19
Abstract: A safety boot, to protect a wearer's foot from injury owing to piercing or crushing of the boot, is made by forming a casing (10) by rotational moulding a PVC plastisol material, positioning a perforated steel toe-cap (12) within the casing after the material of the casing has gelled but before it has fully cured, and rotationally moulding a lining (14) from a PVC plastisol material over the inside of the casing to wholly enclose the toe-cap. After introduction of a smoothing layer (16) into the bottom of the boot shell so formed, a steel insole plate (22) is positioned and an insole coating (24) applied to cover the insole plate. <IMAGE>
Patent GB-2035056-A (GB)
Title: Electric kettle
IPC: A47J27/21
Filed: 1979-08-15
Abstract: An electric kettle has a steam outlet 22 and a switch assembly which includes a body 10 mounted on the vessel to provide a steam space 31 between an upper part 14 of the body and a portion of the vessel wall 20 adjacent the steam outlet 22. The upper part of the body has a hood 32 over the steam outlet. The actuating mechanism has a top portion 45, which includes a bimetal device 42 and extends upwardly from said steam space and above said hood. The actuating mechanism has a descending portion 40 which extends downwards from the top portion to a steam actuated switch 11 so that the upper part 14 of the body is disposed between the descending portion 40 and the steam space 31. <IMAGE>
Patent GB-2032145-A (GB)
Title: Hour hand corrector for dual display electronic timepiece
IPC: G04G5/00
Filed: 1979-09-11
Abstract: A dual display timepiece employs a stepping motor capable of rotation in one sense for driving hour and minute hands in an analogue display and an electronic digital display for displaying other information (second, date, chronograph, etc.). In order to facilitate hour hand corrections a logic circuit is provided which permits the user to enter the nature (positive or negative) and the amount of correction desired into the digital display. Following such entry the hour hand is corrected automatically by application of NxY higher than normal frequency signals to the analogue display, where N corresponds to the number of signals required to effect a one hour or half hour correction and Y corresponds to the correction entered by the user.
Patent GB-2058333-A (GB)
Title: Solar energy collectors
IPC: F24J2/04
Filed: 1979-09-12
Abstract: A plate type solar energy collector has two sets of ducts each with its own header system. The ducts of each set are proportioned to provide for greater and lesser flow rates of liquid to be heated respectively and may be selectively operated to provide heated liquid at differing temperatures. One set of ducts is formed by a plurality of relatively small bore tubes 14, the tubes 14 being in thermal contact with a first absorber plate (15, Fig. 1). A second absorber plate 16, disposed on the opposite side of the first absorber plate to the tubes 14 defines a second set of ducts (17, Fig. 7). <IMAGE>
Patent GB-2036695-A (GB)
Title: Liquid dispenser meter
IPC: G01F11/02
Filed: 1979-10-17
Abstract: A meter for a liquid dispenser (1) of the type having an axially movable plunger (4). The meter includes a housing (7) detachably mountable on the dispenser. The housing has a bore (8) in which is engaged a sleeve (5) on the dispenser. An annular space (13) is provided, coaxially of the bore (8). In this space is provided a cylindrical actuating member (14), the base of which is formed as a striker (15). Upward sliding movement of member (14) actuates hollow plunger (4) so that liquid is dispensed through an aperture (18). Upward movement of the member (14) also causes an operating member (32) secured to a counter (not shown) to turn, thereby advancing the counter by one digit. A spring loaded interlocking member (36) is adapted to prevent upward movement of the actuating member (14) if the meter is removed from the dispenser. The counter may be actuated by a magnetic switch and have an LCD or LED display. <IMAGE>
Patent GB-2069737-A (GB)
Title: A warning system circuit
IPC: G08B23/00
Filed: 1980-02-18
Abstract: A warning system circuit having means for connection to a plurality of sensors and for providing an indication when any one of the sensors is triggered has a plurality of visible indicators (18) which individually operate when a sensor is triggered, and common visible and audible indicators (11), (14) which operate when any of the sensors is triggered. In order to accommodate the connection of any type of sensor, that is one which is normally open circuit and short circuits on triggering or one which is normally closed circuit and becomes open circuited on triggering the warning system circuit is provided with two separate sets of terminals (19, 20) which can be used alternatively without requiring any modification of the warning system circuit apart from short circuiting the open-circuit sensor terminals (20) when the other terminals (19) are to be used. <IMAGE>
Patent GB-2044882-A (GB)
Title: Hydraulic shock absorber with vortex valve
IPC: F16F9/344
Filed: 1980-02-25
Abstract: The piston of a hydraulic shock absorber is provided with a vortex value for controlling flow from one side of the piston to the other, the vortex valve comprising a space 56 inside the piston into which part helical passages 64 lead. There may also be a vortex chamber in the base valve. <IMAGE>
Patent GB-2044983-A (GB)
Title: Modular battery
IPC: H01M50/296
Filed: 1980-03-20
Abstract: A battery cell module (10) comprises a battery cell having an outer case (11, 12, 13, 14) and terminals (16, 17) accessible from outside the case whereby the cell is electrically connectable to an external circuit. The outer case comprises key formations (14, 15) by means of which a plurality of the modules (10) can be held in place in a housing by interengagement of the key formations (14, 15) with further key formations of the housing. <IMAGE>
Patent GB-2064620-A (GB)
Title: Drill string shock absorber with pressurized lubricant system
IPC: E21B17/07
Filed: 1980-07-16
Abstract: A shock absorbing apparatus for use in a drill string for earth boring operations has a pressurized lubrication system. The shock absorber has a tubular body 15 and a mandrel 17 reciprocally mounted in the body for rotation with it. The mandrel 17 and body 15 telescope with respect to each other, with an annular pressurized chamber 21 being located between them for absorbing load and shock. Lubricant cavities 59, 61, 63, 65, 67, 71, 75 contain lubricant for lubricating the seals 49, 51, 53, 55 of the pressurized chamber 21. The lubricant in the lubricant cavities is maintained at a pressure greater than ambient but less than that in the pressurized chamber. This is accomplished by utilizing a differential piston 87 that operates in response to the pressure differential between the chamber and the lubricant in the lubricant cavity.
Patent GB-2055729-A (GB)
Title: Aircraft
IPC: B64C5/00
Filed: 1980-07-29
Abstract: An aircraft having, for example, a tailplane (4, 5) at least part of which is movable with reference to a fuselage (1) to effect control requires the control effect, that is to say lift, to be enhanced in a certain control position. Accordingly, fixed vanes (8, 9) are provided on the fuselage forward of the tailplane to form a substantially continuous leading edge roof extension only when the tailplane is in a given control position, e.g. in a nose-down position (Figure 4, not shown). The vanes may be used in conjunction with a wing having a movable leading edge, and arranged to be effective when the leading edge is drooped, but ineffective with the wing in its normal cruise configuration. The vanes may be foldable into or against the fuselage sides. <IMAGE>
Patent GB-2073323-A (GB)
Title: Hydraulic machines
IPC: F04C11/00
Filed: 1980-10-02
Abstract: A positive-displacement hydraulic- power converter, or transformer, includes a motor 1 driving a pump 2 directly through a shaft 7, the displacement rate of the motor and/or the pump being variable. The motor and the pump may of the sliding vane type (as shown), the eccentricity of the stator rings 4, 5 being variable. Alternatively, each machine may be a reciprocating one of either the swash-plate type, the swash-plate angle being adjustable, Fig. 2 (not shown), or of the rotating radial piston-and-cylinder type with a radially-movable stator- ring, Fig. 3 (not shown). As another alternative the rotors of the sliding- vane motor and pump may be disposed concentrically with a common eccentric stator-ring therebetween, which can be shifted radially, Figs. 4 and 5 (not shown). As a further alternative one machine may be reciprocating and the other rotary. <IMAGE>
Patent GB-2085936-A (GB)
Title: Coil winding machine
IPC: H01F41/06
Filed: 1980-10-16
Abstract: An automatic coil winding machine, Fig. 3, comprises a beam (20) carrying a plurality of wire guide nozzles (21) end orbited by two shaft-driven eccentrics to orbit the nozzles for simultaneous coil winding, and an indexable turret (29) adapted to carry spool assemblies (1) and successively position different pluralities of them adjacent to the beam for coil winding. The drive shafts carry weights to dynamically balance the beam. Each spool assembly comprises, Fig. 1, oppositely wound spools 2, 3 integral with base 4, a magnet gap 5, and connections 10 and 12, 11 and 13. The spool assemblies are transferred to the turret (29) automatically by a mechanism (36) from a preloaded carrier bar (35), and returned to the carrier bar (35) by an ejector mechanism (37). A gripper and cutter mechanism (38) is used to remove the wire links between spool assemblies. The beam (20) is mounted on an x-y coordinate table (22) and movable by motors (25 and 26) in the plane of the table to define the wire path on the spool assemblies (coil winding is achieved by driving the beam). A motor (28) moves the table (22) about its pivotal mounting to provide coil pitch. <IMAGE>
Patent GB-2088273-A (GB)
Title: Method of making biaspherical optical elements
IPC: B29D11/00
Filed: 1980-12-03
Abstract: A method of making biaspherical optical elements comprises compression firstly moulding hot glass in a die (not shown) to form a cylindrically shaped glass substrate 21 with two approximately accurate aspherical surfaces 33, 36, and subsequently coating each aspherical surface with a light transmissive polymeric material to form a substantially exact aspherical surface curvature and surface finish. The hot glass substrate 21 is removed from the die, cooled and located centrally between the respective mould halves 22, 23 of a master moulding tool whose moulding surfaces are prepared to a high degree of accuracy, filling each space between the respective aspherical surfaces 33, 36 of the substrate 21 and the adjacent moulding surface 34, 37 of the mould halves material 22, 23 with the polymeric material 32, 35 bonding the 32, 35 to the respective surface 33, 36 of the glass substrate 21 by the application of a minimal amount of heat and pressure which is just sufficient to mould the polymeric material 32, 35 without substantially raising the temperature of the mould halves 22, 23, and removing optical element so formed from the mould. The polymeric material 32, 35 is in foil form in Fig. 6. but can also be in liquid form (Fig. 7, not shown). <IMAGE>
Patent GB-2067453-A (GB)
Title: Tool for mounting or removing a circlip, split ring of the like
IPC: B25B27/20
Filed: 1981-01-19
Abstract: The tool is of the type comprising two branches (1 and 2) which are pivoted together. Each branch has at one end an interchangeable end member (17) which is adapted to engage in an aperture formed in one of the branches of the circlip. A link device (4) for regulating the distance between the end members is connected between the two branches (1 and 2) and serves to stress the circlip when it is mounted or removed. The length of the link device (4) is adjustable and the link device extends transversely of the branches. The axis X-X of the link device extends roughly in the general plane of the tool containing the branches. The length of the link device is adjusted by means of an element (15) which projects from both sides of the tool. <IMAGE>
Patent GB-2081085-A (GB)
Title: Sheathed load bearing pedestals etc
IPC: A47C7/00
Filed: 1981-07-20
Abstract: A load bearing leg structure comprises a multi-arm horizontal star or cross welded to a support upright 12 (e.g. at the bottom of a chair or armchair) wherein the arms 13 of the cross are covered with plastics sheaths 26 which can be easily removed from the arms for replacement when worn. <IMAGE>
Patent GB-2090178-A (GB)
Title: A process and apparatus for making holes through a sandwich element
IPC: B26F1/40
Filed: 1981-11-03
Abstract: A process for making a hole through a sandwich element comprises passing through the element a punching tool which has a punching blade 18 equipped with pointed teeth and extending along the desired cutting line of the hole, and with a substantially straight side 23 following the desired cut edge and extending in the movement direction of the punching tool relative to the workpiece, and with reducing thickness towards the side edges (24B) and points (24A) of the teeth (24). The invention also includes apparatus suitable for carrying out the process. <IMAGE>
Patent GB-2086762-A (GB)
Title: Device for mass transfer between fluids
IPC: B01D63/14
Filed: 1981-11-05
Abstract: A device for mass transfer between fluids by means of a pressure gradient and/or concentration gradient comprises a first support fleece (21), a first membrane (5), a flow-dividing element (6) in the form of a fluid-tight foil embossed with protrusions (6'), a second membrane (7) and a second support fleece (22). These five layers are pleated together into a folded packet and are enclosed in a housing (4) in such a manner that, with the aid of sealing beads (8) in the region of the end faces of the packet, three separate flow chambers (I, II, III/III') are formed. The fleeces (21, 22) are slightly compressible and have generally planar surfaces supporting the membranes (5, 7). Under the pressure in the third flow chamber (III/III'), the fleeces (21, 22) are slightly compressed so that the flow dividing element (6) is freed from contact with the membranes (5 and 7) thereby to allow laminar fluid flow over the protrusions (6').   <IMAGE>
Patent GB-2092081-A (GB)
Title: Tilt mechanism for steering column of vehicle
IPC: B62D1/18
Filed: 1981-11-16
Abstract: A steering shaft (2) which transmits rotational movement from a steering wheel (1) to a steering gear (3) comprises an upper shaft (2a) and a lower shaft (2b) connected together by a joint (4) such as a universal joint. The upper shaft is pivotally supported by supporting means (11) on a pivot axis or a tilt axis (T) which is fixed to a vehicle body (7) at a position more remote from the steering wheel than an intersection point between the upper shaft and the lower shaft so that a change of an angle between both shafts is maintained smaller than a change of a tilt angle of the upper shaft. There is further provided coupling means such as a spline coupling (13) for compensating for axial movement of the lower shaft owing to the tilt of the upper shaft. Preferably, the tilt axis is placed on a downward extension of the longitudinal axis of the upper shaft. <IMAGE>
Patent GB-2090828-A (GB)
Title: Process for preparation of monomethyl-hydrazine
IPC: C07C243/14
Filed: 1981-12-07
Abstract: Disclosed is a process for the preparation of monomethylhydrazine which comprises reacting hydrazine monohydrochloride with methanol in the presence of hydrazine dihydrochloride or methyl chloride and recovering free monomethylhydrazine from the formed monomethylhydrazine hydrochloride. According to this process, monomethylhydrazine can be prepared at a high selectivity very easily while controlling formation of by-products.
Patent GB-2113383-A (GB)
Title: Photoelectric inclination sensor
Inventor: MORRISON JOHN MALCOLM
IPC: G01C9/20
Filed: 1981-12-24
Abstract: An inclination sensor comprises a container 10 partially filled with a liquid 11 and mounted within the container, above the liquid, is a radiation source 13 and at least one detector 14 responsive to the radiation. The detector 14 is capable of receiving the radiation only after it has been reflected at the liquid surface 15 and provides electrical output signals indicative of whether or not the container has a predetermined inclination. The intensity of radiation received by the detector or the magnitudes of a parameter of the output signals representing the displacement from its predetermined inclination can be measured, and, if the container is displaceable in different horizontal orientations, the orientation may be determined by providing a suitable distribution of a plurality of detectors; conveniently the detector and the source are provided by a thin film module of a conventional form, and the container comprises a known form of housing for a thin film module. <IMAGE>
Patent GB-2095570-A (GB)
Title: An improved apparatus for agitating the contents of storage tanks
IPC: B01F7/00
Filed: 1982-03-11
Abstract: An apparatus for agitating and transforming settled sludges into slurries which are then capable of being pumped by conventional means comprises a housing 3 immersible in the contents of a tank or chamber and containing separate variable drive means for an impeller 9 and an impeller casing 8. The impeller casing 8 forms an inlet to the impeller 9 and has a plurality of radially directed outlet nozzles 24 whereby rotation of the impeller effects circulation of the contents of the tank or chamber from the inlet 7 to the outlets and rotation of the casing causes the discharge at the outlets 24 to agitate the contents. The discharge at the outlets 24 breaks up solid sediment at the bottom of the tank or chamber and a continuous recirculation of the contents results in the formation of a slurry. <IMAGE>
Patent GB-2123273-A (GB)
Title: A method of and apparatus for reducing the rate of cooling of a hot beverage
Inventor: MARCHANT DAVID JOHN
IPC: A47G19/12
Filed: 1982-04-29
Abstract: A float (14) is used to seal or substantially seal the surface of a hot beverage in a container (10) from the atmosphere to reduce the rate of cooling of the beverage. The container may form part of a beverage maker such as filter coffee or tea maker in which the brewed beverage drips into the container. In this case, a tube (16) having a funnel (17) at one end may be supported in an upright or substantially upright position in the container with the funnel at the upper end of the tube and the lower end at the tube just above the bottom of the container. The tube may extend through an aperture in the float and both the tube and float may be of thermally insulating material. <IMAGE>