baber/WOPTO huggingface dataset:
Patent GB-2018633-A (GB)
Title: Improvements in plant for seamless tube manufacture
IPC: B21C37/06
Filed: 1979-03-22
Abstract: A plant for manufacturing seamless steel tubes has a heating furnace for heating ingots which may be of square cross section, a piercing press for piercing the ingots to produce pierced circular section blanks, at least one roughing push bench immediately beyond and in alignment with the piercing press and a finishing push bench for producing a semi-finished tubular product suitable for subsequent skew-rolling.
Patent GB-2020424-A (GB)
Title: Determination of glucose
IPC: C12Q1/54
Filed: 1979-04-26
Abstract: An improved hexokinase coupled enzyme assay procedure, for measuring the glucose content of body fluids, comprises addition of D-Mannose to the reaction system.
Patent GB-2022346-A (GB)
Title: Protection of static inverters
IPC: H01H3/22
Filed: 1979-05-17
Abstract: A static inverter 20 is protected on occurrence of a fault by an electrodynamic repulsion operating mechanism 10 which opens mechanical contacts 12 inserted in the phase conductors so as to isolate the faulty inverter or to switch to a different inverter. The electrodynamic mechanism 10 is actuated by a static control device. <IMAGE>
Patent GB-2024811-A (GB)
Title: Manufacturers of vicinal glycol esters from synthesis gas
IPC: C07C69/14
Filed: 1979-06-08
Abstract: A process for the formation of ester mixtures, comprising esters of monohydric and dihydric alcohols, by reacting synthesis gas (CO + H2) and carboxylic acid, at a temperature of 100 to 350 DEG C and a pressure of at least 34 atmospheres (500 psi) in the presence of a catalyst comprising ruthenium or osmium. Optionally a co-catalyst selected from alkali metal salts, alkaline earth metal salts, quaternary ammonium salts, iminium salts and quaternary aliphatic phosphonium salts is also employed. A typical reaction product comprises methyl acetate, ethyl acetate and ethylene glycol diacetate.
Patent GB-2024084-A (GB)
Title: Large capacity stapler magazine
IPC: B27F7/38
Filed: 1979-06-26
Abstract: A magazine 70 in which a plurality of sticks of staples 68 are stored. The magazine is associated with a stapler head 62 for advancing automatically successive sticks of staples to the receiving channel 66 of the stapler head. <IMAGE>
Patent GB-2031604-A (GB)
Title: Transparency viewer
IPC: G02B27/02
Filed: 1979-07-30
Abstract: A transparency viewer in which transparency images are viewed sequentially by movement of a viewing member rather than by movement of the images comprises a screen for mounting an array of transparency images, e.g. in a grid pattern, and a viewing member movable over the array by way of guides for viewing any selected said image of the array. In one type of embodiment transparencies are held firm over the screen and the viewing member can move from transparency to transparency by way of guides mounted on the screen. In one such case, each transparency is located on the screen by an individual carrier module which is engaged (preferably detachably) with the screen to provide in combination with the screen and adjacent like carrier module(s) the guides by way of which the viewing member moves over the transparencies; different size screens may be provided for accepting one or any desired greater number of rows of carrier modules. The viewing member is preferably disengageable from the guides. A preferred viewing member according to the invention comprises a magnifying lens mounted in an upper frame from which supporting legs descend through a lower frame to feet adapted to engage with the guides for the said movement of the viewing member over the array. The viewing member is preferably constructed so as to be erectable from and dismountable back to a more compact form.
Patent GB-2032058-A (GB)
Title: Drying cylinders for paper machines
IPC: D21F5/02
Filed: 1979-09-13
Abstract: A paper machine drying cylinder 1 heatable by condensing steam has a smooth cylindrical inner surface 12 provided with a network 20 for producing turbulence in the condensate. The network 20 is a wire mesh 30 or is made of bent strips 23. Each of the strands forming the network 20, 30 is, along much of its length, spaced at a distance S from the inner surface 12. <IMAGE>
Patent GB-2060034-A (GB)
Title: Road sweeping apparatus
IPC: E01H1/04
Filed: 1979-10-09
Abstract: A rotary hydraulically driven brush 2 sweeps into an open-ended receptacle 1 attached to the lift linkage 7, 6 of a tractor 5. The brush 2 is carried by a canopy 3 pivoted at 4 to the receptacle 1 and coupled by a height-adjusting twinbuckle 11 to an upstanding link 8. The lower end of link 8 is pivoted to the receptacle; the upper end of link 8 is connected to the receptacle by latch 9. The lower tractor links 6 are pivoted to lugs on the receptacle while the upper tractor link 7 is pivoted to link 8. Raising of links 6, 7 after release of latch 9 (Fig. 2, not shown) simultaneously tips the receptacle for emptying and swings the brush clear. <IMAGE>
Patent GB-2035993-A (GB)
Title: Refractory Lining Means for Metal Melting Furnaces
IPC: C04B35/14
Filed: 1979-10-10
Abstract: A refractory lining mass which has a long service life in view of its resistance to metallurgical erosion contains, in addition to the usual granular base material (e.g. quartzite, mullite), at least one deoxidizing agent for the oxide(s) of the metal (e.g. iron- carbon alloy) to be melted in the furnace. The agent is present in any amount of 0.1 to 5% by weight of the mass and preferably has a maximum grain size equal to that of the granular base material. The mass may also contain refractory fibres of the same or similar composition as the base material, the fibres having a diameter of up to 50  mu m and being present in an amount of 0.1 to 0.5% by weight of the mass.
Patent GB-2063711-A (GB)
Title: Spray apparatus
IPC: B05B15/10
Filed: 1979-11-26
Abstract: Spray apparatus, particularly for spraying water onto the ground or floor of an indoor riding arena having outwardly inclined boards (13) provided around its periphery, comprises a spray or sprinkler unit (10) which is pivotally mounted by a mounting (12), the unit (10) being located within a housing (22) which can move with the unit (10) from an inoperative position (Fig. 1) in which the unit (10) and housing (22) are retracted towards an operative position (Fig. 2, not shown) in which the unit and housing protrude from the front surface of a said board (13) and the spray unit (10) protrudes from the housing (22), the unit (10) and housing (22) being biassed towards the inoperative position by a weight (16) and moved towards the operative position by a piston and cylinder device (17, 18) which is supplied with water under pressure from the supply conduit for the unit (10). During the first part of movement towards the operative position the housing (22) moves with the unit (10), and any water sprayed sideways falls within the housing (22) and is drained away by conduit (32), but when stops (28) on the housing contact the board (13) the spray unit (10), on which the housing is mounted by means of a resistant grommet (24), continues to move until it protrudes from the housing. <IMAGE>
Patent GB-2021054-A (GB)
Title: Cycle frames
IPC: B62K15/00
Filed: 1979-06-14
Abstract: A bicycle frame 11 comprises a substantially rigid skin, of for example thin metal, and an internal filling of cellular material such as polyurethane foam. This arrangement allows a considerable reduction in weight of the frame without substantially reducing its rigidity. The frame 11 comprises a main member 22 with peripheral portions 49, 50 of wide cross-section and a central portion 51 of narrow cross-section having recesses 31 therein, saddle and pedal crank mounting brackets 23, 33 being formed integrally with the member 22. The frame is foldable by means of a hinge 30. <IMAGE>
Patent GB-2036684-A (GB)
Title: Containers for beverages and the like
IPC: B65D41/10
Filed: 1979-05-23
Abstract: A container (12) for flowable materials including liquids such as fruit juices and other beverages comprises a tubular body member (14) composed of five plies bonded to each other, the first third and fifth plies (16) (18) (20) being each formed of an elongated helically wound polyolefin whose edges are overlapped and bonded with those of adjacent convolutions to form a cylindrical layer. The second and fourth plies are formed of a helically wound elongated cup paper sheet material which is thicker than the polyolefin sheet material and whose edges are in abutment with those of adjacent convolutions to form a cylindrical layer. In another container (50), the tubular body member (52) is composed of a first (innermost) ply (58) of polyolefin sheet material having overlapped convolutions a second ply (60) of aluminium sheet both sides of which are laminated by thin paper (61) (63), a third ply (68) of kraft paper liner having butted convolutions, and a fourth ply (66) of polyolefin sheet material having overlapped convolutions. In yet another container (80), the tubular body member (82) is composed of at least two layers, the innermost layer (94) being formed from a sheet of synthetic resin having overlapped convolutions and provided with a continuous bond or weld (98) along the overlapped portion and a second bond (100) adjacent to the first so as to form and define a slack portion (104) of the overlap adapted to be taken up inwardly in response to negative pressure in the container. The tubular body member of the container is hermetically sealed with end-closures (84) (85) at least one of which can be formed of rigid sheet material of sufficient flexibility and provided with an initially outwardly bulged disshaped portion whereby the dis-shaped portion can be inwardly deflected to relieve negative internal pressure, such as results from thermal contraction of the contents of the container.
Patent GB-2079973-A (GB)
Title: Electronic Flash Lighting Unit
IPC: G03B15/03
Filed: 1980-02-14
Abstract: A flash lighting unit has a reflector bowl with apertures adjacent the floor of the bowl for connectors which mount an inexpensive straight flash tube so as to be perpendicularly bisected by the bowl axis. Modelling light is supplied by a bulb mounted by a holder extending through a further aperture in the bowl, the axis of the holder being inclined at about 45 DEG  to the bowl axis, and the light centre of the bulb lying on the axis. <IMAGE>
Patent GB-2071840-A (GB)
Title: Hot air blower
IPC: F24C15/32
Filed: 1980-03-19
Abstract: The blower comprises an impeller 1 mounted on motor shaft 10 of an external-rotor type electric motor illustrated in two versions indicated generally at I and II and having respectively curved vanes 6 and paddle-wheel type vanes 7. To minimise the axial length of the space occupied by the blower, the impeller 1 is of convex configuration, at its side facing the motor, complementary to a convex bulge in mounting plate 5 which in turn forms a depression or recess into which domed cap 11 of the motor protrudes. <IMAGE>
Patent GB-2049150-A (GB)
Title: Making a heat exchanger
IPC: B21D39/06
Filed: 1980-04-16
Abstract: Assembling a finned tube sealingly into a partition (15) is difficult and therefore expensive. According to the invention an inner tube (16a) is threaded through the partition (15) and pre-finned sleeve lengths (17a, and 17c) introduced thereover and the tube (16a) is substantially expanded into sealing engagement with the partition and tight engagement with the finned sleeving. The tube may be simultaneously assembled to tube plates (11). The invention is particularly useful in the assembly of heat pipe heat exchangers. The tube (16a) may be of copper and the sleeve lengths (17) may be of aluminium. The fins may be helical. <IMAGE>
Patent GB-2050986-A (GB)
Title: Improvements in or relating to pneumatic feeding plant
IPC: B65G53/56
Filed: 1980-05-30
Abstract: This invention relates to pneumatic cattle feeding plant comprising at least one principal conveyor pipe 1 which is telescopic along a terminal length, with an outlet at the extremity and a built-in section/compression blower 4 for conveying and distribution of silage, hay, straw or the like along the length of feed ducts in cattle sheds, the pressure side 5 of this conveyor pipe being arranged to have connected to it via a pipe switching device 9 at least one telescopic branch pipe with an outlet at its extremity. According to the invention, a valve 10 is installed in controllable manner in front of each pipe switching device 9 in the pressure-side 5 of the pipe, or a valve 10 which may be closed and opened by control or actuation elements situated in the area of each pipe switching device 9, is incorporated in front of or behind the blower 4 in the suction or pressure-side conveyor pipe. <IMAGE>
Patent GB-2081884-A (GB)
Title: Coal burning space heating stove
IPC: F23B99/00
Filed: 1980-07-08
Abstract: A wood burning stove converted for coal burning, comprises a removable assembly including a grate assembly (140), means ensuring passage of primary air upwards through the grate assembly, a slotted baffle (142) forming a barrier between primary and secondary combustion chambers, its slots (188) allowing smoke to pass from the primary to the secondary chamber, and a hopper (172, 174). The grate assembly includes four upstanding sides (160, 162, 164) and elongated elements (152, 154, 156) supported to tilt in unison (for riddling) about separate pivot axes. A gap (252) is left between the grate front (162) and the elements (152, 154, 156) to accept a poker. <IMAGE>
Patent GB-2058501-A (GB)
Title: Amplifying device
IPC: H03F1/08
Filed: 1980-07-11
Abstract: An amplifying device comprising a pre-amplifier (2), a high power e amplifier (3) of relatively bad linearity for amplifying the output of the preamplifier (2), an impedance element (9) for applying the outputs of the amplifier (3) to a load (7), a negative feedback circuit (5) for feeding back the output of the amplifier (3) to the inversion input of the pre-amplifier (2) and a low power amplifier (8) of relatively good linearity for amplifying the input of the amplifier (3) and supplying an output through a second impedance element (10) to the load (7). The amplifying device can cancel the distortion in the high frequency band caused in the amplifier (3) through the impedance elements (9, 10) by the outputs of the amplifier (3). The impedance elements may be resistive, inductive and capacitive arrangements (Figs. 4 to 12). A coil (14, Fig. 12) in the output connection of amplifier (3) may be coupled to a coil (15) in the output connection of amplifier (8). The element (9) (17, Fig. 13) may be connected between the load (7) and earth and impedance (10) is then connected to the junction of load (7) and impedance (17). The amplifiers 3 and 8 may consist of transistors push pull stages (Figs. 9 to 11). <IMAGE>
Patent GB-2061321-A (GB)
Title: Metallic iron particles for magnetic recording
IPC: C21B13/00
Filed: 1980-07-25
Abstract: In the process for preparing a a magnetically stable powder comprising the steps of reducing iron oxide with a gaseous reduction agent and stabilizing the metallic powder thus produced, the iron oxide is coated with an antimony compound up to about 7 weight percent antimony based on the weight of the iron oxide. In a preferred embodiment tin hydroxides or oxyhydroxides from about 0.5 to about 8.0 weight percent tin based on the weight of the iron oxide are precipitated onto the antimony coated iron oxide precursor prior to said reduction. Optionally also up to 20 wt% of one or more of cobalt, chromium and nickel in the form of hydroxide may be subsequently coated onto the antimony-coated iron oxide before reduction, with or without the intermediate tin oxide layer.
Patent GB-2056731-A (GB)
Title: Building control system
IPC: H04N7/173
Filed: 1980-08-13
Abstract: A building control system for controlling heating, lighting, etc. from a central station comprises a conventional central station 10 and remote stations 14, 15, etc. connected together by means of an antenna wire 11 which is used primarily for distributing entertainment (radio and TV) to a plurality of rooms in e.g. a hotel. The central station generates 15-bit messages consisting of an 11-bit address followed by a 4-bit control function, and each remote station includes a comparator for comparing the transmitted addresses with a preset address of that remote station, and decoding means for recognizing and carrying out the following control function if an address match is detected. <IMAGE>
Patent GB-2060397-A (GB)
Title: Non-adherent surgical instrument and method
IPC: A61B18/14
Filed: 1980-08-29
Abstract: Method and means are disclosed for preventing tissue from adhering to surgical apparatus (e.g. a heated surgical scalpel) while operating at tissue temperatures (usually 100-500 DEG C) at which haemostasis with minimal tissue damage occurs, and include interposing between the surgical apparatus 11 and the tissue 13 being heated thereby a non-adherent coating 12 which has specific parameters including thermal impedance, thickness and thermal drop thereacross. The coating 12 may be of fluorocarbon polymers, silicones, metallic fluorides or organic phosphates, or may be a sacrificial solid or liquid layer of waxes, greases, oils or other fluorinated polymers or silicones. <IMAGE>
Patent GB-2083551-A (GB)
Title: Spark Plug for an Internal Combustion Engine
IPC: H01T13/20
Filed: 1980-09-12
Abstract: A spark plug (10) for an internal combustion engine comprises a ceramic body (11) and a plurality (e.g. 3) of spark electrodes (13) which receive high tension (H.T.) electricity independently of each other from electrodes (12) within the body (11). Each electrode (12) is supplied with H.T. electricity from a respective radial projection (24) on the inner face of a respective arcuate spring clip (25), the projection (24) being received in electrical contact with its corresponding electrode (12) via a radial bore (23) in the ceramic body (11). The provision of a plurality of sparks improves combustion of the fuel-air charge in the cylinder of the engine without the need to modify the design of the cylinder. <IMAGE>
Patent GB-2060241-A (GB)
Title: Nickel electrode and a method of producing the nickel electrode
IPC: H01M4/32
Filed: 1980-09-25
Abstract: A nickel electrode comprises a current collector and active material pressed into physical and electrical contact with the current collector. The active material comprises nickel hydroxide, an organic binder, a conductive diluent and a cobalt compound, the cobalt compound having been precipitated from a cobalt-containing solution in contact with the already-formed nickel hydroxide.
Patent GB-2073574-A (GB)
Title: Dehydrated cheese composition containing a-cellulose
IPC: A23C19/086
Filed: 1980-10-10
Abstract: A cheese composition comprises a mixture of powdered a-cellulose including both amorphous and crystalline components and a natural and/or process cheese material. The composition may be made by mixing said cheese material with powdered a-cellulose, and then comminuting the mixture. A dehydrated product is obtained by drying to an extent that the mixture contains no more than about 18%, especially from 7 to 10%, by weight water. The cheese composition is useful as a food source both for humans and animals. The cellulose component allows the fat to be retained in the cheese during drying.
Patent GB-2064853-A (GB)
Title: Disassembly of irradiated fuel rods
IPC: G21C19/36
Filed: 1980-11-06
Abstract: In disassembling an irradiated nuclear fuel or breeder element, which consists of individual rods arranged in a casing 1 and held in grid-type spacers, a first cut I is made at the point of the greatest neutron-induced swelling of the fuel rods and a first part of the casing 1 is removed with the spacer grids attached thereto. Thus the spacers need only be drawn over rod portions of smaller diameter thereby avoiding a greater force expenditure and damage to the individual rod casing tubes resulting from this. <IMAGE>
Patent GB-2070438-A (GB)
Title: Physiological electric signals monitoring electrode
IPC: A61B5/332
Filed: 1981-02-12
Abstract: An electrode assembly comprises a pad 1 of foamed electrically insulating material with adhesive on its lower surface 2 for adhering the assembly to a patient, and at least one electrode (three are shown in Fig. 2) passing through the pad. Each electrode may comprise a rigid plastics cup 8 secured in a socket 7 in the pad 1 by flanges 5, 6, flange 6 being adhered to foamed material 9 saturated with electrically conducting paste. Individual electrode pads may be connected to an ECG by respective cables 13 (Fig. 6), or alternatively an ECG may be mounted on the rear surface of a pad 1 having three electrodes by engaging male press-studs 4 of the electrodes in sockets 10 in the ECG 12 (Figs 4, 5). <IMAGE>
Patent GB-2068798-A (GB)
Title: Vibratory finishing machine
IPC: B24B31/073
Filed: 1981-02-12
Abstract: A vibratory machine having a treatment chamber 10 which is of annular or other continuous form in plan, a vibratory mechanism serving to promote progression of a charge of workpieces and treatment media around said chamber in either direction, a discharge opening in the floor of the chamber, and a separating assembly 15 mounted at a level below that of and connected to said discharge opening, the arrangement being such that on reversal of the direction of movement of the charge around the chamber the charge is delivered automatically to the separating assembly. A door 12 may be provided at the discharge opening, the door being adapted to be closed by movement of the charge across same in one direction of travel round the chamber and to be opened by movement of the charge in the other direction. <IMAGE>
Patent GB-2075178-A (GB)
Title: Central heating systems
IPC: F24H1/00
Filed: 1981-03-10
Abstract: An installation for heating a heat medium and consumption water in buildings comprises a heat pump (1), a radiator system (2) and a water heater (3) with a magazine (4) for the heat medium and a con- tainer (5) or the like for the con- sumption water. Heated medium from the heat pump is to be led to the magazine (4) via a conduit (6). A conduit (8) on the magazine is connected to the inlet side of the radiator system (2). A return conduit (21) is adapted to carry cooled heat medium back from the outlet side of the radiator system to the heat pump. An outlet conduit (9, 22) extending from the bottom of the magazine (4) is directly connected to the conduit (21) leading back from the outlet side of the radiator system (2) to the heat pump. <IMAGE>
Patent GB-2100482-A (GB)
Title: Computer testing device
IPC: G06F11/32
Filed: 1981-05-27
Abstract: A device (2) for testing a computer (4) is operable to determine the times at which the computer system is unavailable by repeatedly and automatically sending messages to the computer (4), and determining whether a response is received within a predetermined interval. The device (2) preferably decides that the computer system is available in response to an acknowledgement that the device has successfully logged onto the computer. The device (2) then preferably repeatedly sends transaction messages to which a program in the computer (4) responds. If the device (2) fails to receive responses to a predetermined number of transaction messages within a predetermined interval, the device (2) decides that the computer system has become unavailable. The device (2) provides a printed record indicating the times at which the computer system became available and unavailable, and generates an immediate alarm whenever the computer system becomes unavailable or a response to a transaction message is not received within a predetermined interval. <IMAGE>