baber/WOPTO huggingface dataset:
Patent GB-2001945-A (GB)
Title: Method of transmitting liquid between separated activation compartments for the biological purification of water, and apparatus for carrying out such a method
IPC: C02F1/00
Filed: 1978-08-03
Abstract: In the biological purification operation based upon the application of pressure induced by a stream of liquid in the individual activation compartments due to aeration of the liquid, the inlet openings of transmitting passages between the separated compartments are located in the area of lower velocity of flow of the liquid than the velocity of flow of the same at the outlet openings of the transmitting passages.
Patent GB-2007499-A (GB)
Title: Vehicle Seat Suspension System
IPC: B60N2/50
Filed: 1978-09-12
Abstract: Seat 1 is connected by an L- shaped springing and guiding system 4 to the floor 5. The system 4 includes a parallel linkage in which frame is connected to the floor G, front link K is connected to the seat and crank 14 and casing 15 form the parallel links. The springing is provided by spring 31 and a height adjuster is connected between the frame G and front link K. <IMAGE>
Patent GB-2033066-A (GB)
Title: Refrigeration
IPC: F25B5/02
Filed: 1978-09-22
Abstract: An air conditioning system comprises a compressor 1, a condenser 2, first and second evaporators 3, 4 and valve means e.g. valves 5, 6 for controlling the flow of refrigerant into the first and second evaporators. The first evaporator is placed within the air flow to the space to be air conditioned while the second evaporator absorbs heat from outside that space. Thus the degree of cooling produced in the air conditioned space may be controlled by means of the valves instead of by switching the compressor on and off or by-passing the condenser. Suitable for use in Outside Broadcast Vehicles, in confined spaces or where a precise control of temperature is required. <IMAGE>
Patent GB-2033051-A (GB)
Title: Pressure relief valve
IPC: F16K1/226
Filed: 1978-11-02
Abstract: At pressures below the relieving pressure of a relief valve, a piston plug 1 is maintained within its cylinder by the combined effects of a spring 3 and a pneumatic force acting on a piston 5 within a cylinder 4. The piston 5 is directly mechanically connected to the plug 1, and as the plug is forced towards the end of its cylinder by the effects of rising system pressure, the opposing pressure force on the piston 5 is also increased by compressing gas in the cylinder 4. This equilibrium of forces is continued until the cylinder 4 is vented at a pre-determined position of the piston 5, thus allowing the plug 1 to move to its open position, and so discharging the system pressure.   <IMAGE>
Patent GB-2010862-A (GB)
Title: Films, articles packaged therein and products thereof
IPC: C08L53/02
Filed: 1978-11-27
Abstract: Films for packaging unvulcanized rubber, compounding ingredients for unvulcanized rubber, and compounding ingredients for thermoplastic polymers comprise an admixture of (1) 100 parts of an unvulcanized elastomeric vinyl aromatic/conjugated diene block copolymer, (2) 25-120 parts of a thermoplastic styrene, indene, alkylphenol, petroleum or coal tar resin and (3) 3-10 parts of a hydrocarbon paraffin wax having a congealing point of 88- 105 DEG C.
Patent GB-2009811-A (GB)
Title: Improvements relating to building modules and prefabricated building panels for such modules
IPC: E04B1/348
Filed: 1978-12-07
Abstract: In a box building module comprising a base 1 and a number of upright rectangular walls 11, 27, 32, 33 which are fixed at or near their lower edges to the base and are also fixed to each other, the base and walls suitable for use therein are formed by prefabricated panels each made of reinforced self- adherent concrete, i.e. a concrete which will form a homogeneous joint with a hardened pre-cast mass of the same concrete. The panels are fixed together primarily by jointing keys 36 of the self-adherent concrete which are cast into registering recesses 9, 10, 16, 17, 18 in the concrete of the adjacent panels. Usually the module will include a roof panel 34, and perhaps also a false ceiling or a raised floor panel 35, formed and fixed in a similar manner to the base 1. The recesses, which are formed in the edges or faces of the panel as required during manufacture of the panels, are preferably dovetail shaped so that the jointing keys interlock with the panels as well as being homogeneously bonded to them. In addition, each panel has a metal reinforcing framework 3; 13 which is exposed at each of its recesses 9, 10; 16, 17, 18, and the reinforcing frameworks of adjacent panels are rigidly connected at their registering recesses by welded connecting plates 37 to 43 before the jointing keys 36 are cast. <IMAGE>
Patent GB-2042724-A (GB)
Title: Magnetic Compasses
IPC: G01C17/18
Filed: 1979-02-21
Abstract: A non-pendulously pivoted compass mounted on a platform 54 stabilised by gyroscopic means to keep its plane horizontal, the mounting of the compass being such that it responds only to the component of terrestrial magnetism in the plane of the platform. The compass can be a "flux valve" or a magnetic needle 50 to give a direct reading of heading and/or drive an encoder to feed a remote display, or a coil of wire 11, 12 driven to rotate about an axis 13 perpendicular to the plane of the platform 16 and to the axis of the coil thus producing a voltage induced by terrestrial magnetism which goes through zero when the coil axis points North-South, means being provided to measure the orientation of the coil with respect to the vehicle. <IMAGE>
Patent GB-2021703-A (GB)
Title: Electrical lubricating apparatus
IPC: B65G45/08
Filed: 1979-05-11
Abstract: A compact, self-contained electrical lubricating device for lubricating a movable conveyor or other system while the conveyor or system is in operation. A tank 11 for containing a reservoir of lubricating fluid includes a coverplate to which is mounted an electric pump 63 having inlet ports 69 immersed in the reservoir 52. Electrical circuitry including a triggered constant pulse width pulse generator is housed in an enclosure 51 also mounted to the coverplate. A proximity switch mounted adjacent the conveyor or other system is actuated by the travel of the conveyor past the switch to trigger the pulse generator which actuates the pump causing the pump to deliver a metered shot of lubricating fluid to the conveyor through feedlines 35 extending from the pump through the coverplate. <IMAGE>
Patent GB-2051257-A (GB)
Title: Thrust bearing
IPC: F16C33/76
Filed: 1979-06-01
Abstract: The bearing is formed with a periphery, e.g. the outer periphery (20) of one thrust race (10) radially spaced from the corresponding periphery (18) of the other thrust race (12). A resilient seal is positioned in the radial space thus provided between the corresponding peripheries of the two thrust races. The sealing member includes a metal portion (25) and an annular elastomeric portion (22) adapted to seal the radial space between the peripheries of the thrust races, with the metal portion constructed to so contact one race that axial displacement of the seal is prevented. <IMAGE>
Patent GB-2031520-A (GB)
Title: Rotary positive-displacement pump
IPC: F04C2/356
Filed: 1979-06-19
Abstract: A pump has an eccentric cylindrical rotor (8) in a cylindrical casing (5) with inlet and outlet openings (3 and 4). The rotor is hollow and rotatably mounted on an eccentric member (7) which is fixed to a rotary drive shaft (6). A spring- loaded seal (27) separates the openings (3 and 4). The rotor may have a P.T.F.E. coating (29). <IMAGE>
Patent GB-2036318-A (GB)
Title: Navigational aid
IPC: G01S7/64
Filed: 1979-09-17
Abstract: Berthing data display means comprise two identical displays D separately mounted on a jetty J. The displays D respectively display bow and stern berthing data in respect of a ship S during a berthing operation, and they are positioned to present the data on the lines of sight LB and LS to a pilot on the bridge B of the ship S. Each display D comprises a large fascia panel providing a two-digit display of the bow or stern distance- off. Mounted above the two-digit display of distance-off is a row of three velocity-range indicator elements in the form of green, amber and red circular lamps. Steady illumination of the green lamp indicates a safe approach velocity; flashing of the amber lamp indicates an excessive but marginally safe approach speed; and flashing of the red lamp indicates that the approach speed is within a dangerously high range.   <IMAGE>
Patent GB-2033754-A (GB)
Title: Sanitary tampon
IPC: A61F13/26
Filed: 1979-10-02
Abstract: A sanitary tampon comprises an applicator having an outer cylinder 25 shaped for insertion into the body and inner cylinder 30 within cylinder 25 and extending to the vicinity of the front end thereof and slidably withdrawable therefrom, the inner cylinder 30 contains an absorbent pad 20 and preferably has at least one longitudinal slot 11 extending from its front end for a distance greater than the length of the pad 20, the slots being slidably engaged with projections 28, 29 on the inside wall of outer cylinder 25 such that each projection extends through the slots and into cylinder 30 to prevent withdrawal of material 20 from cylinder 25 when the inner cylinder 30 is withdrawn. <IMAGE>
Patent GB-2032756-A (GB)
Title: A drinking straw
IPC: A47G21/18
Filed: 1979-10-10
Abstract: The present invention relates to drinking straws for sucking up beverages. In one embodiment (Fig. 1), a straight drinking straw 1 is provided with a hole 2 formed in its wall so that air can be sucked into the straw through the hole 2 to produce air bubbles which mix with the beverage. This increases the freshness and/or flavour of the beverage. In a further embodiment (Fig. 2), the straw has a spiral or helical portion 3 above the hole 2. <IMAGE>
Patent GB-2036799-A (GB)
Title: Manufacturing Reflector having Silver or Gold Reflecting Surface
IPC: C25D7/08
Filed: 1979-10-25
Abstract: The reflector is formed by providing a substrate of a material which does not alloy to a significant extent with the metal to form the reflecting surface and which, substrate is capable of being wetted by the metal, the substrate having a surface as smooth as conveniently can be provided without mechanical polishing but not smooth enough for the reflecting surface, and which conforms to the shape required for the desired reflecting surface; providing the metal on the surface, for example, by electrolytic deposition, and brazing the metal to the surface in a suitable atmosphere, such as hydrogen; the thickness of the deposited metal layer being such that the provided reflecting surface has a reflectivity of at least 80% in at least the infra red region of the spectrum, for example, the layer thickness being 5 micrometres. The substrate may be Ni and/or Co for Ag, and W or Mo for Au. The substrate may be a layer on a preform e.g. of steel.
Patent GB-2065664-A (GB)
Title: Hydrochlorination of rubber sheet
IPC: C08J7/14
Filed: 1979-11-14
Abstract: Rubber sheet is continuously hydrochlorinated by passing it through a liquid hydrochlorinating agent having a specific gravity greater than that of the rubber sheet in its swollen state. Preferably the reaction is carried out in a reaction channel inclined upwardly in the direction of travel. The hydrochlorinating agent is preferably a solution of anhydrous hydrochloric acid in ethyl acetate saturated at a temperature of 10 DEG C.
Patent GB-2064663-A (GB)
Title: The Turbo-electric Power Plant
IPC: F01K15/02
Filed: 1979-12-11
Abstract: The plant comprises a primary steam generator which is heated by either a paraffin burner or electrically energised infra-red elements; a steam header tank heated by electrically energised elements; a steam turbine which drives a reduction gearbox and a primary alternator and a power alternator driven from the gear box. Steam is initially raised by using the paraffin burner and when the steam pressure in the primary steam generator reaches 250 lbs/sq. in, steam is admitted to the turbine. The primary generator then energises both sets of electrical heaters and when the temperature in the steam header tank reaches 450 DEG F, the paraffin burner is switched off and the plant continues to operate until the steam temperature drops to a predetermined valve, at which point the paraffin burner is switched on again. <IMAGE>
Patent GB-2066122-A (GB)
Title: Sizing a tube end
IPC: B21D39/20
Filed: 1979-12-20
Abstract: The invention provides an apparatus for sizing the end 9 of a tube. The apparatus comprises two sizing members 7,8 positioned one inside the other so as to provide a ring-like gap between the members. One of the members is an axially split mandrel, while the other is in the form of a die. The end of the tube which is to be sized is positioned within the ring-like gap between the two members, and a wedging member is moved against the axially split mandrel so as to deform the tube end against the die member. The axially split mandrel is preferably the inner 7 of the two sizing members, the outer 8 of the two members being the die. The invention also provides a method of sizing the end of a tube, in which the tube is subjected to a series of sizing treatments in an apparatus of the invention, each successive treatment involving different pairs of sizing members so that at the end of the treatment the tube end is deformed plastically, and not elastically. <IMAGE>
Patent GB-2066005-A (GB)
Title: A tone generator for producing a tone signal from a digital signal
IPC: G10H1/08
Filed: 1979-12-21
Abstract: A keyboard KS programmes dividers PD1, PD2 to select two tone frequencies to be generated, counters IC1, IC2 each addressing a ROM to provide a bit fob each count to an integrator I which effects delta modulation decoding of each of the two bit streams to produce the two tones. Each bit stream has a respective resistive input R1 or R2 into the integrator so that the integrator time constant for each stream is different. As a result, the low pass filter effect of the integrator does not favour the lower of the two tone signal frequencies to give different amplitudes to the tone signals: instead, these tone signals have substantially the same amplitude at an output terminal OT. <IMAGE>
Patent GB-2040396-A (GB)
Title: Securing a control knob to a shaft
IPC: H01H3/08
Filed: 1980-01-16
Abstract: An electrical component 1 such as a switch has a rotatable spindle 3 of polygonal cross-section fitting through a hole 5 in a mounting panel 4, to which a plate 6 is fixed, using holes 12. Plate 6 carries a disc 7 on which operational reference data is shown through a transparent cover 8, with coaxial holes 9, 10, 11. Spindle 3 engages in a similarly polygonal shaped axial cavity 14 in a control knob 13 which can be used to rotate the spindle. A ring portion 16 formed on the knob has diametrically opposed circular segmental protrusions 17, 18 which become engaged in recesses 19 disposed around the hole 9 so that the knob can rotate but cannot be pulled axially off the spindle unless the protrusions are disengaged from the recesses by a lever action of a pointed-end tool inserted in slot 22 in the ring. Alternatively, a recessed rotatable flanged bush (20) behind panel 4 may replace plate 6. <IMAGE>
Patent GB-2068471-A (GB)
Title: Peristaltic pump
IPC: F04B9/02
Filed: 1980-01-31
Abstract: A pump for e.g. bilge-water, comprises a first pumping-tube (1), a second pumping-tube (2), connected to said first pumping-tube so that fluid is pumped unidirectionally, a first means e.g. a roller (5), for compressing said first pumping-tube, a second means e.g. a roller (6), for compressing said second pumping-tube, and a carriage (3) for said compressing means, the carriage being disposed between fixed tube supports 11, 12 and oscillated by e.g. a pendulum 4, the tubes being thereby compressed alternately. The pendulum may be actuated by the rolling of a boat containing the pump. <IMAGE>
Patent GB-2070966-A (GB)
Title: Improved humidifier
IPC: A24F25/00
Filed: 1980-03-12
Abstract: A humidifier (e.g. for a cigar cabinet or showcase) comprises a base (1) incorporating an electrical heating element, a pair of open- topped reservoirs (4) (5) disposed side-by-side on the base to define a gap (6) between, an absorbent pad (8) bridging across said gap and entering into each said reservoir, and an air permeable cover (12) removable from the base and locatable over said reservoirs and said bridging pad. <IMAGE>
Patent GB-2074259-A (GB)
Title: Rotation Sensitive Drum Brake
IPC: F16D51/22
Filed: 1980-04-12
Abstract: The brake has an abutment assembly (14) and on expander mechanism (15) operation of which moves shoes (12, 13) to contact the drum for limited rotation therewith, wherein for rotation of the drum in reverse direction (R) provision is made for idle movement of the expander mechanism (15) within given limits before it becomes subject to any effective reaction from the back plate (11). To this end the backplate (11) has a depression (22) into which a roller (21) of the expander mechanism (15) moves during reverse rotation- this reduces the effective lengths of struts (25, 26) of the mechanism (15). The arrangement is utilised as on overrun wheel brake on a trailer to allow reversing movement thereof to allow hand brake application of the trailer but in a manner which will not allow brake release should the trailer be moved backwards, the handbrake linkage incorporates a spring box so that mechanism (15) is actuable beyond the maximum available from the overrun linkage. <IMAGE>
Patent GB-2052511-A (GB)
Title: Process for Dissolving Cellulose in Organic Solvents Containing Reduced Amount of Formaldehyde
IPC: C08B1/00
Filed: 1980-05-30
Abstract: A process for the preparation of cellulose derivative solutions in organic solvents, from which regenerated cellulose formed bodies may be produced by precipitating the cellulose derivative and by regenerating the cellulose, comprises contacting the cellulose with paraformaldehyde and with the organic solvent chosen among dimethylacetamide, dimethylformamide and N- methylpyrrolidone under conditions such that the formaldehyde amounts used correspond to a CH2O units/cellulose anhydroglucosidic units molar ratio lower than 13. The cellulose dissolution takes place in absence of amounts of water higher than 0.15% at temperatures not lower than 135 DEG C.
Patent GB-2078445-A (GB)
Title: An on-load tap selector
IPC: H01F29/04
Filed: 1980-06-17
Abstract: An on-load tap selector (1) for a transformer comprises a plurality of uniformly spaced-apart fixed contacts (3) and a movable carrier (4) carrying a main contact (6) and a pair of contacts (18, 19) electrically connected by an impedance (20a, 20b). During a tap selection, when the main contact (6) is moved from a chosen fixed contact (3A) to an adjacent, selected fixed contact (3B), the contacts (18, 19) maintain bridging contact with the chosen and selected fixed contacts (3A and 3B). The bridging contacts (18, 19) are mounted on a resiliently biased linkage (7) carried by the carrier (4) such that when the carrier 4 is moved in one direction A to move the main contact 6 from one fixed contact 3A to an adjacent fixed contact 3B, the trailing bridging contact 18 is cammed inwards by the fixed contact 3A to cause the leading bridging contact 19 to move away from the trailing contact 18 and engage the adjacent fixed contact 3B. <IMAGE>
Patent GB-2055749-A (GB)
Title: An operating system for a lifting device
IPC: B66F9/18
Filed: 1980-07-02
Abstract: A container lifting device for mounting on a working machine comprises a frame 2 and a support beam 3 connected thereto and a lifting beam 4 having engagement means 8 for engaging a container, an operating system including hydraulic means 5 for operating the lifting device, and pre-set positioning means for adjusting the position of the support beam relative to the bottom of the container, and sensor means for controlling the engagement of and positioning of the lifting beam and support beam relative to the container. <IMAGE>
Patent GB-2079624-A (GB)
Title: Mineral or rock breaking equipment
IPC: B02C4/10
Filed: 1980-07-11
Abstract: Mineral breaking equipment for installation within the length of a flight chain conveyor, for instance a stage loader in a coal mining operation comprises a first conveyor pan (7) for leading the conveyor chain (5) to a raised horizontally mounted reaction roller (10). A slideably mounted driven breaker roller (18) is located downstream of the reaction roller (10) and spaced therefrom at such a distance that in use mineral above a preselected size is broken between the rollers (10, 18). The broken mineral is fed onto a second conveyor pan (11) from which it is removed by the conveyor chain (5). Preferably the second conveyor pan (11) is coplanar with the conveyor (1a) and an idler roller (14) is located lower than and upstream of the reaction roller (10) in order to guide the chain (5) onto the second conveyor pan (11). <IMAGE>
Patent GB-2056058-A (GB)
Title: Assessing the colour of gemstones and the like
IPC: G01N21/87
Filed: 1980-07-18
Abstract: The colour of gemstones or the like is assessed by projecting light onto the stone, using an interrupting member 8 to regularly interrupt the path of the light shortly before it reaches the stone, the member 8 having a normally white, diffusing interrupting surface, and using a detector 19 for detecting the colour of the light coming from the gemstone and from the interrupting surface of the interrupting member 8. Preferably, the stone is mounted in a chamber 1 having normally white, diffusing internal walls and the diffusing interrupting surface is within the chamber 1. <IMAGE>
Patent GB-2073986-A (GB)
Title: Copying system
IPC: H04N1/393
Filed: 1980-08-22
Abstract: A reading device (1) comprises at least one reading unit (8) on a rotatable support (7), and the reading units scan a sheet (3) to be copied on a carrier (5) which moves longitudinally of the reading device. The brilliance values produced by the reading units are converted to electrical signals which are transmitted to the writing device (2), which comprises at least one writing unit (13) on a rotatable support (14) which operates in response to the signals from the reading device to mark a sheet (4), moving longitudinally of the writing device, on which the copy is to be reproduced. The sheets (3 and 4) are on the same carrier or respective carriers which may then be at different locations together with their writing or reading device. Information may be transmitted between the reading and writing devices over, say, a telephone line and may be stored if desired. By controlling the relative speeds of the reading and writing device it is possible to produce enlarged, reduced or same scale copies of an original. Variation in scale may also be effected by transmitting stored information to the writing device at a different rate from that at which it is received. <IMAGE>
Patent GB-2092212-A (GB)
Title: Methods of piling
IPC: E02D5/52
Filed: 1980-12-19
Abstract: A method of forming a pile in situ comprises providing a first steel tube (10) with a closed lower end (11); seating a solid steel dolly (12) at the open upper end of the tube; driving the tube down through the subsoil by hammering the dolly with a pneumatic jack hammer (15); removing the dolly; locating a second tube (14) in end-to- end alignment above the first; reseating the dolly at the open upper end of the second tube; driving the tubes down by hammering the dolly; removing the dolly; and filling the hole formed by the tubes with concrete. This method is suitable for use in a number of types of subsoil, is particularly for use in quickly and efficiently forming small-scale piles, and is particularly useful in situations where headroom and/or lateral working room is severely restricted. <IMAGE>