baber/WOPTO huggingface dataset:
Patent GB-2057690-A (GB)
Title: Testing metal components for strain therein
IPC: G01B7/16
Filed: 1979-08-28
Abstract: A method of testing a metal component 12 to determine the level of strain therein comprises measuring the electrical resistance of the metal in a region of the component which has been stressed, and comparing the resistance of the metal with the resistance of the metal before the stress was applied thereto. Since the resistance increases with strain, the change in resistance can be used to indicate the level of strain in the component. The strain may be produced by compressive forces, in the component, e.g. where the component is secured by a bolted connection, or by tensile forces, e.g. where the component has been formed by pressing. The method may therefore be used in determining the quality of a metal component during or after assembly. Current is applied to the component via terminals 11a, 11b and a probe 9 including spring contacts 10a, 10b is positioned thereon. Probe 9 is connected to ohmmeter 8. <IMAGE>
Patent GB-2062173-A (GB)
Title: Bidirectional butterfly valve for cryogenic fluids
IPC: F16K1/226
Filed: 1979-10-11
Abstract: The valve includes a movable valve member (13) sealingly cooperable with a seating ring (34) mounted in a recess (28) in the valve body (11). The seating ring has a radially outer wedge-shaped base portion, axially compressed between and sealingly cooperating with converging side walls (22, 32) of the recess, and formed with a radially outwardly opening V-groove (45) containing a coiled circular spring (46). The spring, when virtually unstressed, has a mean diameter which coincides with the mean diameter of the V-groove above cryogenic temperatures. Incident to shrinkage of the seating ring upon exposure to cryogenic temperatures and a reduction in the mean diameter of the V-groove, the mean diameter of the spring contracts to the reduced mean diameter of the V-groove, thereby to maintain axial sealing contact of the base portion of the seating ring between the converging side walls (22, 32) of the recess. <IMAGE>
Patent GB-2037085-A (GB)
Title: Radio frequency energy antenna
IPC: H01Q21/20
Filed: 1979-11-06
Abstract: A radio frequency energy antenna for directing a collimated beam of radio frequency energy in free space over relatively wide scan angles includes a plurality of antenna elements 24 disposed along a curved path for producing a directed, noncollimated beam of radio frequency energy and a radio frequency lens 12 disposed between the antenna elements and free space for collimating the radio frequency energy in the directed, non- collimated beam to produce the collimated beam of radio frequency energy in free space. The lens 12 comprises antenna elements 14 coupled to antenna elements 16 by transmission lines 22. The arrangement of the antenna elements along a curved path produces an amplitude distribution across the collimated beam wavefront which is substantially uniform. A second radio frequency lens 26 has a plurality of array ports 25 coupled to the plurality of antenna elements 24 and a plurality of feed ports 28, each one being associated with a corresponding collimated beam of radio frequency energy in free space. With such a lens the antenna has a relatively wide operating bandwidth. The disposition of the antenna elements 24 along the curved path enables the second lens 26 to be smaller in size and have a shape wherein the array ports and feed ports face one another to a greater degree than if the antenna elements were disposed along a straight line, thereby improving the operating effectiveness of the second lens. <IMAGE>
Patent GB-2044901-A (GB)
Title: Combustion method for removal of impurities from a gas
IPC: F23G7/06
Filed: 1979-12-21
Abstract: A pollutant-containing gas (3) is passed in heat exchange contact with two packed beds (21a, 21b) of heat exchange material between which it is heated in a combustion zone (20), the gas being preheated by the bed upstream the combustion zone and giving up heat to the bed downstream. Flow of gas is periodically changed after the exhaust gas (4) reaches a temperature at least 20 DEG C higher than that of the gas to be treated. A portion of exhaust gas is recycled as a purge gas to the bed which has been serving to preheat the gas to be treated before that bed is again used to absorb heat from gas flowing from the combustion zone, the purge gas sweeping untreated gas remaining in the bed to the combustion zone for the combustion treatment. The system may have three heat exchange beds for system continuity without a break for purging. <IMAGE>
Patent GB-799449-A (GB)
IPC: G05D23/12
Abstract: 799,449. Valves. ROBERTSHAW-FULTON CONTROLS CO. June 5, 1956 [Oct. 17, 1955] No. 17365/56. Class 135. A fluid flow control device has an inlet 12, Fig. 1, two outlets, one 20 leading to a baking oven and controlled by a reciprocable regulating valve 46, e.g. actuated by a thermal capsule 34 and feeler 32, and the other to a broiling burner, not shown, a rotary valve 24 for connecting the inlet to either of the outlets, means 106, 96, 74 68, 48, 50 for adjusting the valve 46 relative to its seat 42, a driving connection 96, 108 between the adjusting means and the rotary valve for transmitting rotational movement therebetween, and means associated with the adjusting means for releasing the driving connection whereby the regulating valve is adjusted independently of the rotary valve. The knob 106 and sleeve 104 splined to a sleeve 94 are pushed in against spring 110 to remove a tongue 130, Fig. 2, from a casing slot 132 for rotating the knob. A projection 120, Fig. 8, on sleeve 94 engages an opening 122 in a ring 108 splined on the rotary plug stem 25, and sleeve 94 is splined at 98 to the adjusting stem 74 so that knob 106 places a plug port opposite the inlet and rotates stem 74 and screw 48 to start the adjustment of valve 46. With the plug open, a finger 114 on ring 108 engages a casing top 118 and further rotation of the knob 106 makes a cam 124 on projection 120 rise out of the opening 122 on to the surface of ring 108 whereby adjustment of valve 46 continues independently of the plug. If the knob is turned from its closed position in the opposite direction, a flat perpendicular surface 126 on projection 120 engages the ring 108 to connect the other outlet to the inlet via a plug groove 28, outlet 20 then being disconnected from the inlet.
Patent GB-2041147-A (GB)
Title: Renovating sewers
IPC: F16L55/179
Filed: 1980-01-15
Abstract: To renovate a sewer a flexible pipe (3) is inserted into a main collector sewer (1), a hole is cut in the pipe (3) at the location of a branch pipe (2) by means of a remotely operated cutter, Figs. 1, 2 not shown, introduced through branch pipes (2) or (3), and a rubber liner sleeve (9) is inserted to seal around the hole cut in the flexible pipe (3) and against the inner wall of the branch pipe (2). The liner sleeve (9) has a flange (12) held in sealing contact with pipe (3) by a rib (13), and is internally tapered at its outer end. The liner is drawn into position by a flexible line attached to the liner by a releasable gripping device. In a modification, Figs. 7-9 (not shown) wherein the branch pipe (2) is at an acute angle to the sewer pipe (3), the flanged liner sleeve (9) is replaced by a flared-end liner (20) which is sawn off flush after insertion. Grout may be inserted between pipes (3) & (1). <IMAGE>
Patent GB-2047822-A (GB)
Title: Friction clutch driven plates
IPC: F16D13/64
Filed: 1980-03-20
Abstract: A friction clutch driven plate has an annular friction facing (13, 14) with a back surface in contact with an opposed surface of a friction facing carrier (12) and circumferentially spaced recesses (15, 15'') are provided e.g. in either the back face of the facing or on the carrier, so as to relieve the back surface of the facing to allow portions of the friction surface of the facing to yield under axial load on engagement of the driven plate against a drive member. <IMAGE>
Patent GB-2052887-A (GB)
Title: Apparatus for preparing the ends of coaxial cables
IPC: H02G1/12
Filed: 1980-04-10
Abstract: Apparatus for stripping coaxial cables comprises alignment sleeve 13, and pointed double edged blades for cutting into the inner and outer conductors respectively. Sleeve 13 may have a low coefficient of friction w.r.t. the sheath, and a support may be a diametrically opposite blade, an extension of sleeve 13 (Fig. 4, not shown), or a roller. The sleeve may be hinged (also Fig. 5, not shown), or retractable blades provided, the retracting levers also effecting rotation. In Fig. 3, guide means include grooves formed by half-moon blades. Penetration depth may be such as to leave a thin uncut layer, and cylindrical passages (eg '30') facilitate removal of any remaining insulant. A separator facilitating connector mounting is described w.r.t. Fig. 6 (not shown). Applications are exemplified. <IMAGE>
Patent GB-2054299-A (GB)
Title: Wheel speed signal-producing device for skid control
IPC: B60T8/172
Filed: 1980-05-16
Abstract: Wheel speed signal producing device for use with a skid control system (19) including a microprocessor programmed to produce sample pulses, said device comprising: an arrangement (12, 14) associated with a wheel (10) and producing an A.C. signal of variable frequency which is converted to a series of sensor pulses whose width varies with this frequency; a digital clock (22) producing clock pulses; pulse generator (24, 26, 28) receiving the sensor pulses and producing a series of marker pulses whenever the leading edge and/or the trailing edge of the sensor pulses occur within the period of a sample pulse; and first, second and third counters (32, 38, 30) connected to supply counts to the microprocessor at the end of each sample pulse, the first counter (32) being connected to receive clock pulses during a sample pulse and including reset means connected to receive the marker pulses such that said first counter (32) counts clock pulses during a first time interval between the occurrence of the last marker pulse in the sample period and the end of this period, the second counter (38) being connected to receive clock pulses as gated by the marker pulses such that the second counter (38) counts clock pulses during a second time interval between the occurrence of the first marker pulse in the sample period and the end of this period, the third counter (30) being connected to receive and count the marker pulses, and the microprocessor using the counts from all three counters (32, 38, 30) to compute a value for wheel (or tyre) velocity over the sample period. <IMAGE>
Patent GB-2076338-A (GB)
Title: Decoration of ceramic or other ware
IPC: B41F17/00
Filed: 1980-05-21
Abstract: A method and apparatus for decorating ceramic or other ware involves deforming a body 10 of for example silicone rubber against a support surface 18 with a pattern defining screen 22 interposed between the body 10 and the surface 18 so that printing medium 20 applied to the surface 18 is expressed through the screen 22 and onto the body 10 to form a pattern. The body 10 is subsequently deformed against the article 16 to be decorated in order to transfer the printed pattern to the article. If the screen is sufficiently rigid, there may be no need for the support surface. <IMAGE>
Patent GB-2058872-A (GB)
Title: Sealing a frame in a cladding opening
IPC: E04D13/147
Filed: 1980-07-24
Abstract: A method of mounting a frame (20) in sealed relation to an opening (16, 17) in cladding (10, 12) of a building comprises a preformed sealing material (34), sandwiched between the top transverse edge of a base flange (21) and the cladding (10, 12) and a fillet or fillets (50) of an initially pourable or shapable sealing material, formed along the top transverse edge of the base flange (21), which becomes sealed to the preformed sealing material (34) and the cladding (10, 12) after hardening or setting thereof. The preformed sealing material (34) is profiled at its underside to accommodate the profile of the cladding, and may also be provided with depending sealing lips or bands (36, 37 - Fig. 5) to improve sealing. The preformed sealing material (34) may be in elongate strip form or alternatively it may be composed of separate segments (45) assembled together (Figs. 4 and 6). The preformed sealing material (34) and the fillet forming sealing material (50) may comprise a polyurethane elastomer. <IMAGE>
Patent GB-2061307-A (GB)
Title: Process for producing starch glues
IPC: C09J103/10
Filed: 1980-10-16
Abstract: A process for producing starch glues of the Stein-Hall type by continuously gelatinising aqueous starch slurries at elevated temperatures and high shear and mixing the resulting starch paste with raw starch, is characterised by adding a water-soluble oxidant producing nascent oxygen under the prevailing reaction conditions, such as an inorganic per compound, to the carrier starch prior to or during gelatinisation so that the starch and oxidant are contacted at a temperature of at least 95 DEG C for from 1 to 5 minutes. The oxidant is added and uniformly dispersed in the carrier starch dispersion before the viscosity of the latter exceeds 15000 cp and the carrier throughput is selected so as to ensure that the contact time between the oxidant and the at least partially gelatinized carrier starch at a temperature of at least 95 DEG C is in the range of 1-5 minutes.
Patent GB-2068584-A (GB)
Title: Reticule For Camera Viewfinder
IPC: G02B27/34
Filed: 1980-12-30
Abstract: The illuminated reticule is disposed in the focal plane of an optical viewing device and is provided with any desired marking, preferably with field marks for the viewfinder of a camera. To permit an illumination of the reticule without need for a beam splitter, marking lines (3) are scribed or etched on the reticule and the reticule provided with the marking is artificially illuminated by light emitted onto its edge by at least one lamp (2). <IMAGE>
Patent GB-2068900-A (GB)
Title: Ventilated cargo containers
IPC: B65D88/74
Filed: 1981-01-15
Abstract: A cargo container has permanently open large upper ventilators (2) at the upper side of the sidewalls so as to provide a ventilation area of preferably at least 0.645 sq. metres for a standard 6.1 metre long container. The ventilation area may be increased by providing lower ventilators (3) at the lower side of the sidewalls, either through apertures in preferably corrugated the sidewalls or else in a lower rail. The ventilation path in the upper and lower ventilators is tortuous and perforated plates or grills (6) are provided in the ventilation paths to act as water defectors. <IMAGE>
Patent GB-2069635-A (GB)
Title: Rotary transmission
IPC: F16H3/093
Filed: 1981-01-22
Abstract: A rotary transmission has gear trains each being one of a set providing a series of increasing speed ratios and two clutches (23,27) independently operable and providing alternative drive paths through the gear train between a common input (21) and a common output (43), the gear trains of alternate ratios in the set being driven respectively through one and the other clutch; the gear trains of alternate ratios in the set are arranged between respective driving shafts (28,36) and a common driven shaft (43) such that at least one gear train (29,46) of one shaft (28) and one gear train (37,46) of the other shaft (36) have a common gear wheel (46). <IMAGE>
Patent GB-2068935-A (GB)
Title: Coating hot glass with metals or metal compounds, especially oxides
IPC: C03C17/34
Filed: 1981-01-26
Abstract: In the formation of a metal or metal compound coating on a face of a heated glass substrate during its displacement in a downstream direction through a coating station at which the said face is contacted with at least one downwardly inclined stream of droplets comprising a substance or substances from which said coating is formed, there is a problem in achieving coatings of homogeneous structure and in providing uniform coverage of the substrate. To help reduce these problems each droplet stream delivered by spray guns 9 is inclined downwardly towards the substrate 4 in the upstream or downstream 6 direction, and one or more counter-currents of gas is or are caused to flow adjacent the substrate path from ducts 15, 16 and towards the front of each droplet stream, (the front being where the droplets have the longest trajectories), and suction force is exerted in exhaust ducting 13, 14 whose entrance is located for drawing gases away from the front of the droplet streams at a higher level. Optional ducts 18, 19 supply additional gas co-currents. One or more oxide coatings of Sn (optionally doped with Sb, As or F), Cd, Mg, W, Fe, In, Ti or Co may be produced. <IMAGE>
Patent GB-2095283-A (GB)
Title: Method for the prevention of deposits on or the removal ofdeposits from heating and ancillary surfaces
IPC: C10L10/00
Filed: 1981-02-09
Abstract: A method for preventing deposits on or removing deposits from heating and ancillary surfaces of boilers and like equipment, which method comprises continuously or intermittently introducing into the combustion chamber of the equipment or into the flue gas stream in atomized form by means of at least one injection device a liquid additive comprising an aqueous solution of a mixture of ammonium nitrate, at least one nitrate of an alkali metal, optionally at least one nitrate of an alkaline earth metal and an indicator, monitoring the pH value or the additive and, if necessary adjusting the pH value to within the range of from 7 to 9, monitoring the dewpoint of the flue gas stream and adjusting as necessary, the amount and composition of the additive supplied to the metering device in order to adjust the dew point of the flue gas stream to the desired level.
Patent GB-2071415-A (GB)
Title: Schottky Barrier Photovoltaic Detector and Process
IPC: H01L31/07
Filed: 1981-02-20
Abstract: A platinum-cadmium sulfide Schottky barrier photovoltaic UV/IR detector is fabricated with both the ohmic and barrier contacts 70, 72 located on the same side of the cadmium sulfide substrate 30 to facilitate wire attachment by high- speed bonding techniques. A titanium-gold-titanium infrared shield structure 32 is deposited directly on the substrate and is utilized to provide a connection between the ohmic contact and the substrate. An insulating layer 34 of silicon dioxide covers the shield structure. A thin layer 36 of platinum is deposited directly on the substrate in a small central optically active area surrounded by the insulated shield structure. A metal boundary layer 42A overlies the periphery of the platinum layer and prevents the barrier contact metalization from affecting the properties of the Schottky barrier. Both the ohmic and barrier contacts 70, 72 may be formed of a titanium adhesion layer and a layer of gold. <IMAGE>
Patent GB-2095230-A (GB)
Title: Process for the separation of nitrotoluene isomers
IPC: C07C201/16
Filed: 1981-03-19
Abstract: An adsorptive separation process for separating ortho- and/or para- nitrotoluene from a feed mixture comprising the isomer to be separated and at least one isomeric nitrotoluene, comprises contacting the feed mixture with an adsorbent comprising a type X or type Y zeolite, containing at exchangeable cationic sites cations rendering the zeolite selective towards the isomer(s) to be separated, thereby selectively adsorbing said isomer(s) to the substantial exclusion of the remaining isomer(s) and thereafter recovering the selectively adsorbed isomer(s). A desorption step may be used to desorb the adsorbed isomer(s). For the separation of the ortho-isomer the cations are chromium on type X and calcium on type Y. For the separation of the para- isomer the cations are potassium, zinc, nickel, barium, calcium, cobalt, strontium, copper and/or magnesium on type X and cesium, potassium (with or without barium), sodium, iron or cobalt on type Y. For the separations of a mixture of the ortho- and para-isomers the cations are sodium, nickel, barium, copper, magnesium, calcium, cobalt and/or strontium on type X and calcium, sodium, iron, cobalt and or potassium (with or without barium) on type Y.
Patent GB-2075056-A (GB)
Title: L-proline-producing Microorganisms
IPC: C12R1/185
Filed: 1981-04-13
Abstract: L-proline-producing microorganisms are constructed by introducing, into a recipient strain of the genus Escherichia, a hybrid plasmid having had inserted therein a DNA fragment possessing genetic information relating to L-proline production and derived from a donor strain of the genus Escherichia, which donor strain is resistant to a proline- analogue.
Patent GB-2075000-A (GB)
Title: Priming Rimfire Cartridges
IPC: C06C7/02
Filed: 1981-04-14
Abstract: A safer and more economic route for priming rimfire cartridges than the use of a spinning punch to distribute the priming composition comprises the steps of (a) dosing a quantity of a dry, powdery, relatively insensitive premix into each empty case, the premix containing at least two materials that will, in the presence of a liquid reaction medium, chemically react together forming a primary explosive compound, (b) compacting the premix, for example in two stages using non-rotating punches having profiled and flat heads respectively, so as to fill the rim of the case therewith, (c) dosing a quantity of the liquid reaction medium into each case so as to cause the materials to react together and (d) drying the primer so formed. The premix preferably contains inter alia, lead monoxide and styphnic acid which react, in the presence of water as the liquid reaction medium forming the highly impact-sensitive lead styphnate. In a modification, one of the reactive materials may be contained in the liquid medium.
Patent GB-2075962-A (GB)
Title: Method for treatment of industrial waste from high-temperature coal gasification
IPC: C02F3/12
Filed: 1981-05-19
Abstract: <IMAGE> <H0> Method for treatment of industrial waste from high-temperature coal gasification
Patent GB-2098881-A (GB)
Title: Improvements in or relating to the protection of metal products from corrosion
IPC: B05D1/02
Filed: 1981-05-22
Abstract: There is disclosed a method of protecting a metal product, such as electrical trunking formed by cold- rolling pre-galvanised steel strip, in which, after cleaning, e.g. by high pressure steam to remove oil and grease a thin film of wax is applied preferably by directing a fine spray of the molten wax onto the surface of the trunking.
Patent GB-2099449-A (GB)
Title: Synthetic liquid fuel and fuel mixtures for oil-burning devices, comprising fatty acid esters
IPC: F02B3/06
Filed: 1981-05-28
Abstract: A synthetic fuel of fatty acid esters provides a novel source of energy when burned alone or in combination with other known fuels such as diesel oil, heating oil, etc., in oil-burning devices.
Patent GB-2078542-A (GB)
Title: Process and apparatus for continuous processing under pressure
IPC: B30B9/12
Filed: 1981-06-16
Abstract: Continuous processes involving counter moving materials, and apparatus for carrying out such processing, are applied to extraction and to the combining of substances. In a continuous extraction process, solid material is introduced into a feeding body 5 leading to one end of an impermeable housing 6 containing a conical screw 7 the pitch of which decreases towards an outlet 2 for solid material. A fluid solvent is injected at a point 3 close to the outlet 2 and follows a helical path 8 to solvent outlet filters 13 below the foot of the feeding body 5. The solid material contains a solute which is to be extracted and is driven and squeezed progressively by the screw 7 which transports the solid material along a substantially linear path to the outlet 2. The effect of the rotation of the screw is to produce a pressure gradient which promotes solvation so that the solvent leaving through the filters 13 contains extracted solute. The respective rates of flow of the solvent and the solid material can be independently controlled and depend on the injection at the point 3 and the rate of rotation of the screw 7. <IMAGE>