baber/WOPTO huggingface dataset:
Patent GB-2001084-A (GB)
Title: Process for the production of modified amino-resin
IPC: C08G12/42
Filed: 1978-07-04
Abstract: The process comprises copolycondensing one or more dialkyl ether compounds, which are dialkyl ethers of the dimethylol derivatives of compounds containing two primary amido groups or similar groups, with at least one compound containing an auto-oxidative group, or polycondensing the said one or more dialkyl ether compounds and reacting the compound containing an auto oxidative group with the condensate; the alcohol released being removed from the mixture. The auto-oxidative groups are typically supplied by allyl ethers and the dialkyl ether compound is eg. bismethoxymethylene urea. The modified resins rapidly form hard films when exposed to atmospheric oxygen in the presence of drying agents.
Patent GB-2002081-A (GB)
Title: Axial-thrust securing arrangement
IPC: F01L1/46
Filed: 1978-07-27
Abstract: A circlip (4) and a pin or shaft (1) arrangement comprises a recess (3) on the shaft, into which an abutment stop (5) on the clip protrudes. <IMAGE>
Patent GB-2003749-A (GB)
Title: Rotating screen separator
IPC: B07B1/22
Filed: 1978-09-06
Abstract: A separator with integral cooling means for separating hot char pellets from a mixture of the char pellets and particulate heat exchange medium, e.g. sand, includes an apertured cylindrical screening element mounted for rotation about an inclined axis with a cooling means located at an outlet end of the screening element. The hot char and sand mixture is introduced through an inlet into the screening element and is tumbled therein by the rotating screening element. The sand particles are screened through the apertures of the screening element to a sand outlet, while the char pellets fall from an outlet of the screening element through a cooling water spray. The separator of the present invention provides a means to separate and cool char pellets which may be readily sealed to provide an inert separating atmosphere and thermally insulated to conserve heat. <IMAGE>
Patent GB-2012167-A (GB)
Title: Promoting growth of domestic ruminant animals by use of macrolide antibiotics
IPC: A23K20/195
Filed: 1978-11-17
Abstract: The antibiotics aplasmomycin, boromycin and acylated and hydrogenated derivatives thereof are administered to domestic ruminant animals, to promote their growth and feed efficiency. The disclosure also describes and exemplifies (a) compositions of the said antibiotics for administering to the ruminants; (b) a process for the production of aplasmomycin; and (c) analogs of aplasmomycin and boromycin, together with processes for their manufacture. The antibiotics modify rumen metabolism to increase propionate formation by decreasing methane and/or acetate formation.
Patent GB-2034954-A (GB)
Title: A PCM recording and reproduction system
IPC: G11B20/18
Filed: 1978-11-20
Abstract: A reproduced PCM signal in the form of continuous frames is subjected to a code check after the separation of its frame synchronizing signals and then stored in a memory. If more than two frames are continuously determined to include code errors resulting from a spliced portion of an associated PCM magnetic tape then those frames are prevented from being written in the memory but the latter is continuously read out by filling the gap with other data stored in the memory. Also an amount of data stored in the memory is sensed and maintained at a predetermined constant magnitude by controlling the speed of travel of the tape.
Patent GB-2009256-A (GB)
Title: Circular Knitting Machine
IPC: D04B15/58
Filed: 1978-11-28
Abstract: In a knitting machine, particularly a circular knitting machine with a yarn feed comprising a plurality of yarn guides (12, 14, 16) for different yarns, each yarn guide (12, 14, 16) is movable to a lower position at which its associated yarn is active. Yarn- pressing means (28) is movable to a lower position in front of the yarn guides (12, 14, 16) so as to lower a yarn which is being brought into operation by lowering of its yarn guide, in order to ensure that the yarn is correctly taken by the needles (7). The yarn-pressing means (28) is located in a raised position during normal operation of the machine. <IMAGE>
Patent GB-2010896-A (GB)
Title: Catalytic hydrogenation
IPC: C07C7/167
Filed: 1978-12-04
Abstract: In purifying a gaseous unsaturated hydrocarbon stream by selectively hydrogenating more highly unsaturated hydrocarbon impurity contained therein, part of the starting stream is mixed with hydrogen in excess of the stoichiometric requirement to hydrogenate the impurity and passed over a first bed of hydrogenation catalyst, whereafter a second part of the starting stream is mixed with the hydrogen-containing product of the first catalyst and passed over a second bed of hydrogenation catalyst. Using such stepwise feed of hydrocarbon the hydrogen excess can be kept at a high enough level to limit or avoid deactivation of the catalyst, which is preferably supported palladium. Gas streams containing ethylene, propylene or butadiene may be purified by selectively hydrogenating the acetylene, methyl acetylene and/or allene, and vinyl acetylene, respectively, typically present as impurities. Suitable apparatus is depicted in Fig. 2. <IMAGE>
Patent GB-2019777-A (GB)
Title: A Windscreen for a Motor Vehicle
IPC: B32B27/40
Filed: 1978-12-13
Abstract: A windscreen comprises a silicate glass outerpane 10, an adhesive plastics intermediate layer 12, a silicate glass intermediate pane 14 and a plastics surface layer 16 on the inner side of the windscreen. The outer pane 10 is at least twice as thick as the intermediate pane 14 and the plastics surface layer 16 is at least twice as thick as the plastics intermediate layer 12, the combined thickness of the panes 10 and 14 being not more than 5 mm and the combined thickness of the plastics layers 12 and 16 being not more than 1.5 mm. The plastics surface layer may be provided with a further silicate glass pane 18. <IMAGE>
Patent GB-2011599-A (GB)
Title: Rotary regenerative heat exchanger and process for its manufacture
IPC: F28D19/04
Filed: 1978-12-21
Abstract: A process for making and assembling a rotary regenerator comprising a ceramic core adapted to rotate upon its central axis and a ring gear surrounding the periphery of the core for purposes of driving the core rotatably includes preparing and forming a yieldable compliant ring sandwiched between the ring gear and the periphery of the core to prevent stresses in the core caused by differential rates of expansion of the core and the ring during operation of the regenerator in a gas turbine engine and during processing of the regenerator and the regenerator drive ring. The yieldable compliant ring is an elastomeric ring having a deformable region which region increases the compliance of the elastomeric ring with respect to the core. This region may comprise one or more cavities within the elastomeric ring. The cavities may be filled with a pliant sponge material 42. <IMAGE>
Patent GB-2043723-A (GB)
Title: Selecting yarns for winding onto tuft yarn spools
IPC: D03D39/04
Filed: 1979-03-06
Abstract: A selector bar 3, movable to select any one of yarns 1 for winding onto a tuft yarn spool, is moved by a series of coupled piston and cylinder arrangements 9, 11, 13, 15, 17 and 19, each piston and cylinder arrangement having a different stroke, so that by actuating various combinations of piston and cylinder any one of say sixty four yarns may be selected. <IMAGE>
Patent GB-2017255-A (GB)
Title: Speed-Reducing Gears
IPC: F16H1/32
Filed: 1979-03-09
Abstract: Speed-reducing gearing comprises two meshing bevel gears 3, 5 having slightly different numbers of teeth. The gear 5 is mounted on an output shaft 6. The gear 3 is prevented from rotating relative to the housing 7 by a gimbal arrangement comprising a gimbal ring 4 pivoted to the gear 3 and housing 7 by orthogonal pins P1, P2. The input shaft 1 terminates in a block 2 having an oblique surface bearing against the back of the gear 3 to cause the axis of the gear to gyrate at a constant angle to the axis of the output shaft 6. <IMAGE>
Patent GB-2015637-A (GB)
Title: Corner mounting strip assemblies for panels
IPC: F16B5/06
Filed: 1979-03-16
Abstract: Corner mounting strip assemblies for interconnecting two or more wall or ceiling panels 21, 22, 23 in the form of slabs comprises an internal channel member 25 with lateral flanges 26 and 27 which bear against marginal portions of panels 21 and 23 and are spot-welded to a plate 28. Corner filler sections 24 bear against the other marginal portions of panels 21 and 23 and against opposite marginal portions of panel 22. The corner sections 24 are secured to the internal channel member 25 by screws 14 engaged in screw- threaded bushes 13 fixed in the latter. An air space G is thus enclosed to reduce heat transfer through the corner joint. The corner filler sections may comprise a galvanised steel sheet base plate around which is wrapped a plastics-coated steel sheet. A four-way junction can be made similarly, by employing a central elongate member of octagonal section. <IMAGE>
Patent GB-2014546-A (GB)
Title: Improvements in or relating to methods and apparatus for handling fluent material
IPC: B65G53/46
Filed: 1979-03-21
Abstract: Particulate material is metered into a pressurised flow line by a rotary metering valve 30 fed from a feed hopper 28 which is maintained at flow line pressure, the feed hopper being supplied intermittently via a valve 22 from a supply hopper 20 which is alternately pressurised to permit recharging of the feed hopper via said valve and depressurised to permit replenishment of the supply hopper via another valve 14. <IMAGE>
Patent GB-2020960-A (GB)
Title: Waterproof coats
IPC: A41D27/24
Filed: 1979-05-01
Abstract: A waterproof coat is formed of a weldable material, such as a nylon textile fabric coated with polyurethane or polyvinyl chloride, and has sleeves joined to the body of the coat by lap-welded seams. The sleeves may each have a longitudinal under-arm seam which is also lap-welded. A method of making a waterproof coat is also disclosed, in which method sleeves are lap-welded to the body of the coat, preferably using a flat-bed welding machine. The body can be formed into a single workpiece before the sleeves are lap-welded to it. The coat is strong in construction and avoids the bulk and untidiness of pinch welded seams. <IMAGE>
Patent GB-2021814-A (GB)
Title: Speed control system for combine harvesters
IPC: H02P23/00
Filed: 1979-05-14
Abstract: The speed of a harvester is controlled by electrical signals derived from the functioning of the harvester. A first signal is obtained by sensing the density of some or all of the harvester output and a second signal is obtained from the drive for the harvesting apparatus. The first and second signals are compared to produce a difference signal with which the forward speed of the harvester is controlled so as to reduce the difference signal to a minimum. An indication of whether the actual speed of the harvester is correct or too slow or too fast at any instant, for a given crop loss is provided by three differently coloured lamps. The output from the straw shaker, the output from the sieve due to the air blast, and the output from the main sieve are sensed to provide output signals which are either treated separately or jointly to provide three individual signals or a composite signal relating to output density.
Patent GB-2022085-A (GB)
Title: Novel Aminothiazoles
IPC: C07D333/20
Filed: 1979-05-23
Abstract: A series of 2-aryl aminothiazoles and the pharmaceutically acceptable acid addition salts thereof having anti- antiflammatory and immune regulant activity are disclosed. Preferred compounds include 2- phenethylamino-4-phenyl-thiazole, 2- phenethylamino-4,5-diphenyl- thiazole, 5-methyl-2-phenethylamino- 4-phenyl-thiazole, 2-thenylamino-4- phenyl-thiazole and 2-thenylamino-4- (p-fluorophenyl)thiazole.
Patent GB-2029167-A (GB)
Title: Loop detector cross-talk monitors
IPC: H04M3/22
Filed: 1979-06-12
Abstract: A loop detector circuit includes a cross-talk monitor to detect if the loop detector is detecting the field of another loop detector. A voltage threshold detector (4) can be connected via a switch (3) to a loop (1) and a frequency selector arrangement (6, 7, 8), and is operative to illuminate an LED (5) when cross- talk is present to enable a frequency at which no cross-talk is detected to be selected.   <IMAGE>
Patent GB-2044915-A (GB)
Title: Solar powered cooling system
IPC: F24S23/71
Filed: 1979-07-06
Abstract: The application describes a device for a solar energised night cooler for improving sleeping conditions for those who live in areas of the world where high night temperatures prevent relaxation. No electricity is required. A solar concentrator provides heat to the boiler of an absorption refrigeration circuit so that during the day a refrigerant is collected in a reservoir. At night by reversing shutters and/or valves the refrigerant is released so cooling a cold convector over which air falls by natural convection. Alternatively, in operation during the day, the refrigeration circuit cools a cold store over which air to be cooled passes during the night. <IMAGE>
Patent GB-2029971-A (GB)
Title: Improvements in or relating to the testing of woven fabric
IPC: G01N3/08
Filed: 1979-08-16
Abstract: A method and apparatus for tensile testing woven fabric (10) comprises gripping the sample of fabric at one end by a unitary set of jaws (18) and at the other by three sets of jaws (15, 16, 17). The strip of fabric (11) in line with the centre jaws (15) is under test whilst the strips (12, 13) act as guard strips. The jaws (16, 17) are secured to a fixed cross member (23) away from which the unitary jaws (18) may be moved. Jaws (15) are so associated with fixed cross member (23) that a load cell connected to the latter can measure vertical sliding movement of a support (22) for the jaws (15) relative to the cross member (23) to provide a measure of the force exerted on the strip (11). <IMAGE>
Patent GB-2038720-A (GB)
Title: Ball point dispenser
IPC: A45D34/04
Filed: 1979-08-29
Abstract: A ball point roll-on liquid dispenser includes a container 10 for the liquid and a ball 12 rotatably located on a seat 20 which is out of round so that liquid passages 24 are provided between the ball 12 and seat 20 in the seat zones which are out of contact with the ball. <IMAGE>
Patent GB-2031630-A (GB)
Title: Adaptive threshold optical reader
IPC: G06K7/10
Filed: 1979-08-30
Abstract: An adaptive threshold optical reader detects optically encoded information, such as the presence or absence of opaque dots 12 in a translucent card 10. Light is projected from an LED 18 through a dot position to a photodiode 22. In order to provide a reliable threshold for discriminating between the dot absent level and the dot present level (preferably at the geometric mean of these two levels), the photodiode signal produces a reference voltage by way of an operational amplifier 24 for storage on a capacitor 32 when there is no card in a holder 14. A card detector 40 closes switches 36 and 38 when there is no card in the holder. The amplifier then has a low feedback resistance (R26 and R34 in parallel). When a card is present, the switches are open, the feedback resistance is R26 alone and a comparator compares the amplifier output voltage with the reference voltage on C32. The ratio of R26 to the parallel combination of R26 and R34 is chosen to position the threshold correctly. The adaptive threshold compensates for variations with age of the LED characteristics, the photodiode characteristics and the transmissivity of the holder 14. The reference voltage may be stored digitally and a microprocessor can perform digital comparison. Instead of a switched feed back resistor a transistor may be employed which automatically switches between effective resistances in accordance with operational amplifier current. <IMAGE>
Patent GB-2032205-A (GB)
Title: Low-current Fuse and Method of Production
IPC: H01H85/046
Filed: 1979-09-07
Abstract: A fuse for low normal current applications has an elongate fusible conductors of very small dimensions formed by applying a layer of electrically conductive material to an electrically non-conductive heat- resistant base 1 and thereafter removing material from the layer to form a fusible conductor of predetermined shape and dimensions. The base may be of ceramics, the conductor of e.g. Cu or Ag, applied by e.g. evaporation, coating, electrodeposition or gluing and shaped by laser or sand blasting. Enlarged ends 3 are left to facilitate mounting in and electrical contact with a housing, Fig. 3 not shown. <IMAGE>
Patent GB-2033213-A (GB)
Title: Separating Foreign Matter from Fruits
IPC: A23N12/02
Filed: 1979-10-16
Abstract: Produce such as fruit is washed to remove foreign matter having a relatively high specific gravity (e.g. stones, sand) in a tank 2 and on an endless conveyer 4 and is then fed onto a conveyer 21 in such a manner that it falls onto and repeatedly bounces along said conveyer on its journey to a store or chopping arrangement. The falling and repeated bouncing causes foreign matter having a low specific gravity to be shaken or jolted off the items of produce into a store 27. The conveyer 21 is driven, in a direction opposite to the direction of travel of the falling produce, and may be perforate with a spraying device inside it for removal of foreign matter still adhering to the produce. The endless conveyer 21 may be replaced by a pair of conveyer drums. <IMAGE>
Patent GB-2036655-A (GB)
Title: Inflatable tube
IPC: B29D22/02
Filed: 1979-11-26
Abstract: To produce an inflatable tube such as a buoyancy tube for an inflatable liferaft with at least one bend in it, a method comprises overlapping and joining the longitudinal edges (231) of a suitable sheet material (230) to make a flattened tube (230A), marking on said tube a fold line (234) corresponding to the desired bend position, marking corresponding areas (237A, 237B) one on each side of the fold line, folding about the fold line to bring and join together these areas and then sealing the ends (232A, 232B) of the tube. By making a number of bends the ends of the tube can be sealed to each other, thereby making an endless tube of polygonal plan form. <IMAGE>
Patent GB-2037630-A (GB)
Title: Hydraulic drilling machine
IPC: E21B44/06
Filed: 1979-11-27
Abstract: Hydraulic drilling apparatus, particularly for rock drilling, in which a hydraulic feed motor (3) for the advance of the drill assembly (10, 11, 12) is supplied with oil under pressure by way of a supply line (13). A relief valve (18) in a relief line (16) leading to a tank (17) is controlled by the pressure in a flush line (31) supplying a flushing medium to the drill bit (12). The flushing medium flows through chambers on both sides of a membrane (25) the chambers being separated by a throttle. The valve body (19) is urged to a position opening the relief line (16) by a spring (30) to stop the feed motors (3) if there is a failure of the flushing medium supply through the supply line (32) or if the drill bit (12) becomes clogged preventing further flow of the flushing medium, either condition causing equalization of chamber pressures. The throttle (27) is in the membrane or housing and may be variable. <IMAGE>
Patent GB-2071745-A (GB)
Title: Road forms
IPC: E01C19/50
Filed: 1980-03-15
Abstract: The height of an angle member (2) providing the upper part of the inner wall of shuttering and the top surface (3) is adjustable relative to a road form (1) by means of a height adjustment member comprising a pair of wedges (5, 6). The angled portion (2) is mounted on one of the wedges (5) by a box section (4) and the wedge (5) is also welded to a plate (10) incorporating a fixing screw (12) which will hold the plate (10) against the road form (1). The plate (10) also incorporates a screw which can be located against the other wedge portion (6) so as to prevent relative movement between the wedge portion (5 and 6) when the desired condition is achieved. The road form (1) may also have one or more brackets (14) secured thereto (Figures 3-5) each bracket having a passageway for receiving a post fixed in the ground, and a pair of adjustable fixing devices (17, 18) which will bear against the post and determine the attitude of the post relative to the road form about a bearing surface on the wedge (20) passing through holes in opposing side walls of the bracket. <IMAGE>
Patent GB-2069416-A (GB)
Title: Marine lifesaving apparatus
IPC: B63C9/087
Filed: 1980-03-24
Abstract: A life-support arrangement comprises a bag 1 a flexible material within which a person may place himself before entering the sea. The bag is closeable and is provided with means 7, for instance in the form of a semi-permeable membrane, for permitting a flow of air but not water into the bag. <IMAGE>
Patent GB-2049196-A (GB)
Title: Method and apparatus for weighing two components of a mixture
IPC: G01G23/36
Filed: 1980-04-02
Abstract: The weight measured by a spring balance 1 is converted by a unit 3 to a digital signal S which is fed to stores 9, 11 and a comparator 10. The unit 3 also produces a signal Ss which blocks entry to the stores 9, 11 while the balance is oscillating. A container 1a is placed on the balance 1 and the resulting signal value S1 is entered in the store 9 by depressing a key 12. A desired amount of the first component is poured into the container 1a and the resulting signal value S2 is entered in the store 11 by depressing a key 14. S1 is subtracted from S2 at 16 and multiplied at 17 by a factor K representing the desired ratio of the two components. In the comparator 10 the sum K(S2 - S1) + S2 is compared with S and any deviation is indicated by an indicator 19 including a moving pointer 20a and the threshold indicating lamps 14a, 23, 24. The second component is poured into the container until the indicator 19 shows that substantially no deviation exists. <IMAGE>
Patent GB-2057319-A (GB)
Title: Moulding machine
IPC: B22C15/28
Filed: 1980-06-16
Abstract: Molding sand in the cope 17 and drag 8 mold flasks is squeezed by squeeze plates 24, 5 after compaction of the molding sand by compressed air blown into the cope and drag molding flasks via vents 23,7. Interrupting means are provided for preventing the compressed air and the molding sand from flowing back to the sand reservoir 27 during the supply of compressed air into respective molding flasks. The interrupting means may include a slide plate 35 slidably disposed between a first molding sand discharging port 31 of the sand reservoir and a molding sand charging port 21 of the cope molding flask and between a second molding sand discharging port 30 of the sand reservoir and the molding sand charging port 11 of the drag molding flask, respectively. The sliding plates have communication bores for selectively providing communications between associated sand discharging and charging ports. Rotary valves are alternatively used as the interrupting means. Sand is blown from the reservoir by compressed air supplied via a valve 39. <IMAGE>
Patent GB-2078165-A (GB)
Title: A machine for cutting branches from a tree trunk
IPC: B27L1/00
Filed: 1980-06-26
Abstract: Rollers (27, 28, 29) feed a tree trunk through the machine as a chain saw (19, 23) rotates around the trunk to remove the branches. The chain saw is urged towards the trunk by springs. <IMAGE>