baber/WOPTO huggingface dataset:
Patent GB-2016341-A (GB)
Title: Tube cutting apparatus
IPC: B23D21/00
Filed: 1979-04-30
Abstract: A tube-cutting machine comprises a plurality of sets of tube- supporting parts (18, 20) releasably mounted on carriers (14 and 15). A first tool (24) reciprocates along a path which intersects a wall of a tube supported by the apparatus such that the tool penetrates the wall not quite to the interior surface. A second reciprocatory tool, on a perpendicular path, completes the wall cutting. Each set of parts is arranged to support a tube so that the first tool does not penetrate to the interior. Thus tubes of different sizes are supported such that the tube axes differ in position. <IMAGE>
Patent GB-2026515-A (GB)
Title: Microbiological process for the production of alginate type polysaccharide
IPC: C12P19/04
Filed: 1979-06-04
Abstract: A process for the production of polysaccharide consisting of a partially acetylated variable block copolymer of D-mannuronic and L-guluronic acid residues, comprises cultivating in a nutrient medium therefor a strain of Pseudomonas, which is non- pathogenic to humans, and which has been obtained by treating a non- mucoid species of Pseudomonas, which is non-pathogenic to humans, with a  beta -lactam or aminoglycoside antibiotic whereby a mucoid strain tolerant to said antibiotic was selected, and isolating from the medium the polysaccharide produced. Particularly suitable strains may be derived from P. mendocina, P. tabaci or P. putida. Suitable antibiotics include the penicillins, eg carboxyalkyl or carboxyaralkyl derivatives of penicillins, or esters thereof, or 3-halophenyl penicillins. A preferred antibiotic is carbenicillin (disodium  alpha - carboxybenzyl penicillin).
Patent GB-2051570-A (GB)
Title: A worktop with an integrally moulded bowl
IPC: E03C1/18
Filed: 1979-06-25
Abstract: A worktop (2) is made of a mouldable material such as polyvinyl chloride or nylon and has an integrally moulded bowl (4), a hob (6) which is inductively coated, and a vented service duct (8). The bowl (4) may have a recess (26) to receive a chopping etc. board and the worktop may be located on the upstanding part 20 of a cupboard. The worktop may be produced from sections secured together by adhesive. <IMAGE>
Patent GB-2025657-A (GB)
Title: Thermal developing units especially for microfiche
IPC: G03D13/00
Filed: 1979-07-17
Abstract: A thermal developing unit for sheet film particularly microfiche film in which the unit has an upwardly facing heatable plate (13) on to which the film is arranged to be dropped, imaged side upward; suitable means for flattening the film on to the plate to ensure even heating of the film are provided such as an extremely high tension electricity charge fed to an electrode (9) positioned above the plate; a removable blade (5) is provided to separate the film from the plate and remove the film from the unit. The unit can be incorporated in a microfiche camera, the fiche being transported from the exposure station and dropped so that it engages a deflector and is flipped over before dropping onto the plate. <IMAGE>
Patent GB-2034244-A (GB)
Title: Agricultural Balers
IPC: A01F15/08
Filed: 1979-09-28
Abstract: The invention provides hay dogs for agricultural balers which in use penetrate deeper into the bale case than is usual so as better to hold the compressed crop from expanding back into the bale case when the baling plunger retracts. Each hay dog structure comprises a fixed hay dog portion (37) of reduced height, combined with a movable hay dog portion (38) which, in its normal position, penetrates the bale case beyond the fixed hay dog portion. Each movable portion (38) may comprise a pair of arms (44) and (45) pivotally mounted at (46) and urged against a stop (43) by a spring (51). A needle for passing a binding medium around the forward end of a bale may pass through the opening (50) between the arms (44) and (45). The fixed portions (37) may be integral with bale grooves (35). <IMAGE>
Patent GB-2040795-A (GB)
Title: Crop material roll forming machines
IPC: A01F15/14
Filed: 1979-11-23
Abstract: There is provided a crop material roll forming machine having a frame (2), means on the frame defining a roll forming region (3), a twine dispensing mechanism (31) mounted on the frame (2) and movable from a rest position (89) across the roll forming region (3), means e.g. spring (44), connected to the dispensing mechanism (31) and operable to urge the dispensing mechanism (31) in one direction, and control means e.g. rope (48) also connected to the dispensing mechanism (31) and operable to move the dispensing mechanism (31) in a direction opposite to that of said means (44) said means (44) being so disposed relative to the dispensing mechanism (31) that during part of the dispensing movement of the dispensing mechanism said means act through a moment arm of a length greater than that pertaining during the remainder of the dispensing movement. The twine dispensing arm is pivotally mounted at 39 on the frame and is connected to the spring (44) via a bracket (42) and a link (43). <IMAGE>
Patent GB-2040251-A (GB)
Title: Discharging flight conveyors
IPC: B65G19/28
Filed: 1980-01-15
Abstract: A flighted chain conveyor for delivering to a delivery port in a surface 8 material that can stick to the conveying surface 8 has pivoted flaps 20, 21 and an associated actuating mechanism 22- 28 located at the delivery port for "bucking" the chain upwardly and then allowing it to fall back to its normal position. <IMAGE>
Patent GB-2054198-A (GB)
Title: Optical scanner
IPC: G05D3/00
Filed: 1980-04-08
Abstract: An optical scanning head produces a sine wave. The impulse created by the head crossing a pattern is used to sample the sine wave to produce one of the coordinate functions and, rather than producing a similar cosine wave, an impulse delayed 90 DEG  is used to sample the sine wave to produce the desired remaining coordinate signal. These two signals are then used to control the X and y coordinate drive motors of the system, eg an cocyger cutting torch. The sine wave is also utilized to produce signals which permit manual positioning of the apparatus. The sine wave signal is used to produce sampling pulses at the time of occurrence of the peak and zero values of the sine wave which are used to sample the sine wave and produce manual steering signals dependent on the maximum amplitude of the sine wave from the speed control. <IMAGE>
Patent GB-2073640-A (GB)
Title: High frequency current welding of metal strip to a metal part
IPC: B23K13/02
Filed: 1980-04-10
Abstract: A thin, flexible metal strip is welded to a metal part e.g. a tube (2) or another strip using high frequency electric current in which the part (2) and strip are continuously advanded to a weld point (W) where they are pressed together. In advance of the weld point, high frequency current is supplied to the part (2) and the strip through contacts (10) engaging them so that portions thereof are heated to welding temperature by the time they reach the weld point. From the point of engagement of the contact with the strip or strips to the weld point the strip is maintained in a fixed path by a rigid backing member in the form of a rotatable roll (5) against which the strip is pressed by tensioning the strip with a pad (18) frictionally engaging the strip. If desired, the current may be fed to the contact engaging the part through a proximity conductor to increase the heating of the part relative to the strip. Where two strips are welded, one is non-planar and both pass around rotatable rolls against which they are pressed. <IMAGE>
Patent GB-2052872-A (GB)
Title: Electrical switch and support
IPC: H01H35/02
Filed: 1980-06-05
Abstract: Apparatus for supporting an electrical tilt switch 11 on a base includes a plate 13 carrying the switch 11, and first, second and third mounting means 16A, 17A, 20A-16C, 17C, 20C for mounting the plate 13 to the base, at least two of the mounting means being resilient and adjustable and being located so as to form a substantially right angle triangle with respect to the other mounting means with the other mounting means common to the perpendicular sides of the triangle. <IMAGE>
Patent GB-2074146-A (GB)
Title: Phosphorus-modified pitch compositions
IPC: C04B35/532
Filed: 1980-09-17
Abstract: Coal Tar pitch compositions which upon carbonization, result in relatively oxidation-resistant carbon bodies contain up to 1.2 l of certain phosphorus compounds. There is also disclosed a process for making such compositions.
Patent GB-2086698-A (GB)
Title: An immersion heater
IPC: H05B3/80
Filed: 1980-10-22
Abstract: A portable electric immersion heater for heating a liquid held within a container comprises a coiled electrical heating element located within tube (4) for immersion in the liquid, a head arrangement (2) to which the element is connected and which comprises means (33) whereby the heater may be located on a rim of the container to permit the element to be suspended in the liquid, and heat sensitive means (6) connected into an electrical supply circuit for the heating element and located within the coils of the heating element whereby, in use when the ambient temperature around the heat sensitive means reaches a first upper predetermined level, the means operate to break said supply circuit, and when the ambient temperature then falls below the predetermined level, the device 6 then operates to close the circuit once more. Should the thermostat 6 fail to operate, excessive over heating will fuse heat sensitive device 7, disabling the heater until this device is replaced. <IMAGE>
Patent GB-2088046-A (GB)
Title: Testing Fuze Heads
IPC: G01M99/00
Filed: 1980-11-21
Abstract: A fuze head is tested by applying to it a pulse of electric current of predetermined amplitude and length while it is supported by contacts 12 in a chamber 10 closable to protect an operator from injury. Ignition is detected by a photocell 18, and the time from the application of the current to ignition may be indicated e.g. on a CRO 56. The chamber has a closure 14 which when open operates on an interlock mechanism 64 preventing electric current from a generator 26 reaching the fuze head. Extractor means (fig. 2, not shown), operable from outside the chamber, allow a fuze head, whether live or spent, to be removed easily therefrom. A fan 22 is provided to remove from the chamber fumes resulting from an ignited fuze head. <IMAGE>
Patent GB-2065948-A (GB)
Title: Gaming Machine
IPC: G07F17/32
Filed: 1980-12-04
Abstract: A slot machine having a playing panel 1 divided into rows 2 and columns 3 of loss regions 4 and win regions 5 displaying a winning sum of money. Starting from a specific region or one chosen randomly, a finite number of regions 4, 5 are illuminated one after another in a random sequence the final one to be lit indicating the player has lost if it is a region 4 or how much the win is if it is a region 5. One of arrows 7 is illuminated, immediately prior to the illumination of the next region 4 or 5 in the sequence, to indicate in which direction the next illumination step will be and device 9 indicates how many illumination steps are left before the final win or loss display occurs. There is a delay of approximately one second between successive steps in the illumination sequence allowing the player to appreciate how the game is going. <IMAGE>
Patent GB-2089001-A (GB)
Title: Rotary Valves
IPC: F16K5/06
Filed: 1980-12-06
Abstract: A rotary valve has a casing 14 housing a rotary valve element 20, a fixed valve seating 25, and a movable valve seating 26 having associated by-pass passage means 38. Resilient means 35 loads seating 26 against ball element 20, and that element into engagement with seating 25. The ball 20 is connected to valve-actuating means 11, 12 so as to be turnable thereby from a first position to a second position, and vice versa. In the first position it prevents fluid flow in one direction through the valve but is so movable, under fluid-pressure above a predetermined value applied thereto, as to permit fluid flow by way of the by-pass passage means in the other direction through the valve. When in its second position the element 20 permits fluid flow in either direction through the valve. <IMAGE>
Patent GB-2069051-A (GB)
Title: Rotary actuator
IPC: F15B15/08
Filed: 1981-01-23
Abstract: A pressure fluid-operated actuator for converting the linear motion of a piston assembly 5 into rotary motion of a shaft, comprises a housing 1 with a cylindrical bore 2 slidably receiving the piston assembly 5 in the form of a coupled pair of spaced-apart pistons 6, 7, and a cam 12 situated between the pistons 6, 7 and secured to a shaft rotatable about an axis fixed relative to the housing 1 and disposed substantially at right angles to the longitudinal axis of the bore 2 with the peripheral surface of the cam engaging the confronting surfaces 13 of the two pistons 6, 7. Opposite ends of the housing 1 are closed by end closure members 3, 4. A third piston 20 is slidably mounted in a casing co-axial with the bore 2. A helical compression spring 21 urges the piston 20 towards the end closure member 4 and, via a rod 22, urges the piston assembly 5 towards the end closure member 3. By supplying compressed air to a space 25 in the bore 2 and also to a space 29 in the casing 16 the force exerted by the spring 21 on the piston assembly 5 as the latter moves away from the end closure member 3 is at least partly balanced. <IMAGE>
Patent GB-2092617-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 plasma burner. A reducing agent such as pit coal is injected together with an oxidant 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 to reduce iron oxides contained there to form sponge iron which is then removed. <IMAGE>
Patent GB-2095480-A (GB)
Title: Electrical contact
IPC: H01R13/115
Filed: 1981-02-26
Abstract: An electrical contact for retaining a lead pin or lead wire consists of a bifurcated element (13) in which the two prongs (14) and (15) are each formed with an outer strip of metal (16) and (17) respectively, the outer metal strip having a different coefficient of expansion from that of the metal forming the remainder of the prong, so that at a particular temperature the prongs are at one position to permit entry of the wire or pin and at a different temperature the prongs are at a second position engaging the wire or pin between them. <IMAGE>
Patent GB-2095746-A (GB)
Title: Atomising devices for carburetted fuel/air mixtures
IPC: F02M29/04
Filed: 1981-03-28
Abstract: The device comprises a housing within which project at least two equispaced rings 5, 7, 11 and at least one baffle plate 13, 14 having a diameter equal to the bore diameter of the rings and positioned concentrically with the rings; the bore diameter of the rings and the diameter of the baffle plates are equal to the inlet bore of the housing, and the distance apart of the rings and baffle plates is equal to half of the radii of the carburettor mixing chamber 35. Fuel in the form of dispersed droplets received from the carburettor is caused to take a convoluting path around the rings and baffle plates thereby contacting the edge portions of the rings and baffle plates and being subjected to a shearing action which breaks the droplets into a finer state. <IMAGE>
Patent GB-2076138-A (GB)
Title: Heat pumps
IPC: F24D11/02
Filed: 1981-04-03
Abstract: For recovering waste heat from the motor-compressor unit of a heat pump 16, an intake heat exchanger 30 is mounted in thermal communication with circulating liquid such as lubricating oil or cooling liquid in the compressor 16a to absorb waste heat, and an output heat exchanger 31 connected to the input heat exchanger delivers the waste heat usefully to a water tank 17 for a hot water supply in a building in which the heat pump is installed. <IMAGE>
Patent GB-2105797-A (GB)
Title: Rotary shaft seal
Inventor: TAYLOR KENNETH ROY
IPC: F16J15/32
Filed: 1981-09-11
Abstract: A rotary shaft seal has inner and outer shell members (13 and 12) which are substantially L-shaped in cross section and which secure between their radially extending legs a P.T.F.E. sealing member (20) and a friction washer (15). On the outer surface of the member (12) is provided a layer (11) of resilient material, which layer may extend radially inwardly on the radially extending leg of the shell member (12) and may terminate in a secondary sealing lip (21). The washer (15) can be formed integrally with the layer (11) and lip (21). <IMAGE>
Patent GB-2084109-A (GB)
Title: Jacks
IPC: B66F3/16
Filed: 1981-09-25
Abstract: A jack consists of a base with an upstanding pillar 1 of substantial length e.g. five feet (1<1>/2 metres) carrying a nut 18 on which rests load supporting means, e.g. (54). An operating handle 15 which conveniently is carried by the load supporting member and projects laterally, turns the nut 18 to raise or lower it and hence raise or lower the load supporting member resting thereon. Preferably the nut 18 is formed as a bevel gear meshing with a second bevel gear 19 turned by the operating handle 15 with a 1:1 gear ratio. The load supporting means may include an apertured plate (46) rotatably mounted on a spindle (41), to which plate a driven wheel of a vehicle can be bolted. Alternatively, the load supporting means of two jacks can be intercorrected by longitudinally-adjustable members to provide a platform. <IMAGE>
Patent GB-2087239-A (GB)
Title: Improvements in or relating to bone or cartilage cutters
IPC: A61B17/32
Filed: 1981-11-05
Abstract: The invention relates to a cutter for bones or cartilages of the kind in which a distally closed shaft 1 and having lateral shaft perforations 1a acting as mating cutting edges has installed in it a hollow spindle 5 connected to a source of negative pressure via conduit 8, which spindle in the area of the shaft perforations has a cutter head. To secure a possibility of rapid replacement for the blunted cutter head, the cutting spindle 5 in accordance with the invention is subdivided in length and spring-loaded in the distal direction, the two sections 5a, 5b of the spindle 5 being provided at the joint 9 with coupling excisions and coupling projections for coupling and separating the two sections. <IMAGE>
Patent GB-2110609-A (GB)
Title: A rotatable member
Inventor: SCREEN STAFFORD THOMAS
IPC: B60B3/06
Filed: 1981-11-17
Abstract: A rotatable member, e.g. wheel (10), is cast, e.g. from aluminium, with a tapered central opening (18) into which are fitted a pair of bushes (21) e.g. of plastics, which have correspondingly tapered external surfaces and which define coaxial, cylindrical openings for receiving a shaft (15) and needle bearings (26). <IMAGE>
Patent GB-2110925-A (GB)
Title: Seat with retractable elbow-rest
Inventor: QUERCY ALEXANDRE PAUL LOUIS
IPC: A47C7/54
Filed: 1981-12-04
Abstract: Seat portion 1 and back 2 of the seat support laterally retaining spindles 6, 7 to which the respective ends of a resilient blade 5 are connected so that the blade is maintained in compression between the two spindles so that it buckles and defines either a convex curvatuve 5 or a concave curvature 5a according to whether it is brought to one or the other of two configurations by acting on it by traction or pressure to bring an elbow-rest 5 into its in use or its retracted position. <IMAGE>
Patent GB-2089961-A (GB)
Title: Heat Exchanger Panel Connectors
IPC: F28F9/26
Filed: 1981-12-07
Abstract: Partially hollow heat exchanger panels (11) are connected together in a stack by sleeves (13) extending therefrom and tubular connector elements (12). At least two of the connections so formed between each adjacent pair of panels connect together the interiors (20) of the panels. The sleeves may be welded or soldered to the panels and be provided with a screw thread which co-operates with screw threads in the connector (12). The screw threads in the connector are reversed so that on turning it is screwed into the sleeve (13) of the upper panel (11) and by the same rotation also into the sleeve of the panel below. The connector may be provided with means to aid the tightening thereof, such as a hexagonal flange (18). The connection between adjacent panels may be made fluid-tight by sealing means (21). The connector element may lie within the sleeve (13) or surround it externally. A friction fit instead of screw threads may be used to attach the sleeves to the connectors. <IMAGE>
Patent GB-2104127-A (GB)
Title: Drilling boreholes
Inventor: ANDERS EDWARD OLEN
IPC: E21B44/00
Filed: 1981-12-07
Abstract: A method of and apparatus for drilling directional well bores is disclosed in which the well bore or a portion thereof is drilled along a line that follows, as close as possible, a preselected catenary curve. An extensible joint located between a stabilizer just above the drilling bit and a stabilizer spaced from the bit stabilizer is used to cause the bit to tend to increase the dip angle of the well bore at an increasing rate.
Patent GB-2113454-A (GB)
Title: Electrically-insulated conductive wire
Inventor: MACSWEEN JOHN NORMAN
IPC: H01B3/42
Filed: 1982-01-19
Abstract: Electrically-insulated electrically- conductive wire is produced by wrapping the wire helically with overlapping turns of tape formed of polyether ether- ketone film, an adhesive being applied between the turns which, upon the application of heat at or above the temperature at which the adhesive is fluid but below the heat-setting temperature of the film, seals the overlapping turns of the film.
Patent GB-2097934-A (GB)
Title: Apparatus and method for measuring the concentration of ions
IPC: G01N27/416
Filed: 1982-04-26
Abstract: Difficulties occur in finding an electrode which responds reliably to the concentration of some ions. The concentration of a required ion in an electrolyte is measured by measuring the potential between first and second electrodes when the electrolyte is passed from the first electrode to the second electrode through a material which changes the concentration of another ion by an amount which depends on the concentration of the required ion. The first and second electrodes are reliable electrodes for measuring the concentration of the other ion. Two hydrogen ion electrodes 15 and 17 are separated by a mixture 12 of stearic acid and the stearate of the ion to be measured, and an indication of the concentration of this ion in an electrolyte passing along a duct 11 is obtained with a digital voltmeter 20 which measures the potential between the electrodes 15 and 17. The ion to be measured may be of calcium, magnesium, strontium, barium, yttrium or lanthanum, and the hydrogen ion electrodes may be metal/hydrogen electrodes with regenerating means 16, 18 or glass electrodes. <IMAGE>
Patent GB-2112285-A (GB)
Title: Composition for intimate feminine hygiene
Inventor: SAMARITANI FABRIZIO
IPC: A61K31/765
Filed: 1982-12-14
Abstract: A composition for intimate feminine hygiene comprises:   a) an agent which exerts a specific antiseptic action on pathogenic germs, but not on the bacillus, acidophilus such as lactic acid, acetic acid or mevalonic acid, preferably buffered; and   b) a nutrient for said bacillus acidophilus.   The composition has a beneficial physiological local effect and may be used regularly for long periods of time without the side effects normally associated with the frequent use of douches based on simple antiseptics.