baber/WOPTO huggingface dataset:
Patent GB-2011568-A (GB)
Title: Apparatus for transmitting a rotary motion from an input shaft to an output shaft inclined at an angle to the input shaft
IPC: F16D3/08
Filed: 1978-10-27
Abstract: Apparatus for transmitting a rotary motion from an input shaft 13 to an output shaft 11 inclined at a fixed angle to it in which there are provided on the input and output shafts drums which rotate with the shafts in each of which are formed a plurality of bores 16, 17 parallel to the particular shaft around the access of the shaft. Angled rigid rods 12 which slide freely in the bores 16, 17 have their ends inserted in corresponding bores in the two drums, the rods 12 being bent through the angle between the shafts 13, 11. At least three and preferably eight rods 12 are provided. The apparatus is described in its application to providing drive for an electroplating drum and it may be covered by a protective flexible pipe 18. Electroplating current may be passed through the rods 12 or through a separate cable disposed centrally with respect to the rods 12. <IMAGE>
Patent GB-2007862-A (GB)
Title: Silver halide colour diffusion transfer photographic assemblage
IPC: G03C8/52
Filed: 1978-11-03
Abstract: One of the problems with photographic assemblages used in the colour diffusion transfer process of reproduction is their temperature sensitivity which results in poor colour pictures at extremes of temperature. A method for reducing this sensitivity is disclosed in French Specification 2,366,599 Serial No 1543285 (U.K. Application 15572/77) and comprises using certain polymeric latices for forming the timing layer which times the neutralisation of the processing fluid. This invention provides a method of improving the performance of such assemblages which comprises incorporating a compound of formula I in the timing layer or in an additional timing layer behind the latter;   <IMAGE> wherein G is H, -CO.R or -SO2.R and G' is -CO.R or -SO2.R, R being alkyl or substituted alkyl of 1 to 20 carbon atoms or aryl or substituted aryl of 6 to 12 carbon atoms; and wherein Z is H, alkyl or substituted alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms or aryl of 6 to 8 carbon atoms.
Patent GB-2012517-A (GB)
Title: A half tone facsimile reproduction method group
IPC: H04N1/405
Filed: 1978-11-21
Abstract: An orthogonal pattern of screen centers 1* to 4* is used to define centers of notional elemental squares having black portions of a size determined by grey level, in diagonally opposed corners. When the black portions are printed by scanning, four group together, 1 to 4, at the corners of the notional squares to define a screen dot the center of which is shifted towards the darker region in areas of light/dark transitions. The range of notional square patterns corresponding to available grey levels is stored... <IMAGE>
Patent GB-2009891-A (GB)
Title: Valve attachment for a pipette, pipette provided therewith and method of pipetting
IPC: B01L3/02
Filed: 1978-12-05
Abstract: A valve attachment for, or attached to the top of, a pipette has a valve chamber divided into two communicating parts, one part being for connection/connected to a pipette 2 and the other part being for connection/ connected to a source of suction. A movable means, e.g. a diaphragm 9, is provided to hermetically separate the two communicating parts. When suction is applied and liquid is drawn into the pipette, operation of the movable means separates hermetically the two parts, so that the liquid is retained in the pipette. By then causing the top of the pipette to be subjected to sufficient pressure, the liquid in the pipette is dispensed. The attachment may include a ball-shaped float to prevent liquid entering the upper part (Figures 2 and 3). The connection 10 may be provided with a rotary valve for selectively communicating the passage 11 with suction or atmosphere (Figure 4). <IMAGE>
Patent GB-2012243-A (GB)
Title: Data card and mailer data match/ inserter system
IPC: B07C3/08
Filed: 1979-01-03
Abstract: The present invention provides an automated system for inserting data cards into mailing forms. Each mailing form is provided with two card- receiving apertures spaced apart less than the diagonal dimension of a card, and a designation of the number of cards to be inserted. The forms advance in succession through a read station and into an insert station. Cards are transported in succession past a read station at which data is read for comparison with the data of the form positioned in the insert station. The insert station includes means to bend a card about a diagonal to insert two corners into the apertures, the card then being released so as to unflex. Should the data comparison be unsatisfactory, insertion does not take place. Forms with inserted cards are stacked in a hopper.
Patent GB-2009500-A (GB)
Title: Charge coupled device
IPC: H01L29/768
Filed: 1979-01-05
Abstract: A charge coupled device comprising a semiconductor substrate 1 a layer of insulating material 3, 5 on the substrate 1 and an electrode 51 on the insulating layer 3, 5, which together form a chain of coupled storage elements along which charge packets may be transferred from element to element on application of an appropriate cycling voltage to the electrode, wherein the storage elements are defined by variations of the impurity concentration in the substrate along the length of the electrode. <IMAGE>
Patent GB-2012363-A (GB)
Title: A Linear Piston Operator for a Rotary Valve
IPC: F15B15/08
Filed: 1979-01-08
Abstract: A linear piston operator for a rotary valve has a cylinder 263 slidably receiving a piston 214, a connector bar 246 connected to the piston 214 and an oscillatable element 249 connecting the connector bar to a rotary valve stem 228 extending transversely and tangentially of a cylinder 210. The oscillatable element 249 extends through a longitudinal slot 226 in the wail of the cylinder 210, and the stem end of the element is enclosed in a housing 232 having two longitudinal reinforcing portions 234 extending along and welded to the sides of the slot, the valve stem 228 being journalled in the reinforcing portions. Spring abutments 271 are provided on the interior surface of the cylinder 210, and a compression spring 270 is interposed between the abutments and the inner face of the piston 214. <IMAGE>
Patent GB-2052167-A (GB)
Title: Reversible permanent-magnet direct-current motors
IPC: H02K23/04
Filed: 1979-02-20
Abstract: In a DC motor having permanent magnets 10, 12 and a star wound armature 18, the common connection 22 of the winding is electrically connected to one terminal 24 of a single pole double throw switch. If the common connection is maintained at one electrical polarity then the direction or rotation of the motor is dependent upon which of two brushes 14, 16 the opposite polarity is applied to. <IMAGE>
Patent GB-2053306-A (GB)
Title: Joint seal in tank
IPC: E04B1/68
Filed: 1979-05-09
Abstract: A seal for a joint or gap between edges of adjacent wall sections (e.g. of concrete) of a liquid-containing vessel, such as a nuclear reactor cooling pond, comprises a sheet metal strip 24 having longitudinally-extending edge parts, secured to the respective vessel-section edges 17, 18, and a central part which is longitudinally corrugated to provide sufficient flexibility to accommodate slight relative movements between the vessel- section edges (e.g. due to thermal expansions). The edges of the sheet metal of the strip are turned in so that the edge parts of the strip are formed as generally U-section channels. These accommodate longitudinally extending securing bars 34 which are bolted to the vessel wall sections by bolts which pass through the bars, through the free-edged wall of the channel section and through a longitudinally extending resilient seal pad 32 compressed between that wall of the channel section and the vessel wall section to which it is secured. The other wall of the channel section (integral with the corrugated central part of the strip) has access windows through which the bolts are inserted and tightened, the windows being then closed off in liquid-tight manner by welding closure caps 36 over them. <IMAGE>
Patent GB-2024407-A (GB)
Title: Improvements in or relating to solar heat absorbing panels
IPC: F24S10/50
Filed: 1979-06-25
Abstract: The object of the invention is to provide a solar heat absorbing panel. The heat absorbing panel comprises a support sheet (10) of glass reinforced plastics material to which are secured first and second panel members (13, 14) of glass reinforced plastics material and a glazing sheet 21 of glass. An insulating layer is secured between the support sheet (10) and the second panel member (14). The panel members are moulded to provide orifices which may be used as outlets from or inlets to allow fluid to be passed between the panel members (13, 14). The first panel member (13) is translucent, and the second panel member (14) is black so that radiation impinging on the panel passes through the glazing sheet (21) and the first panel member (13), into fluid passing between the panel members (13, 14), and finally to the black second panel member (14) which absorbs radiation and is heated. Uses of the heat absorbing panel include the heating of water for domestic water systems or for swimming pools. <IMAGE>
Patent GB-2024889-A (GB)
Title: Wall ties
IPC: E04B1/41
Filed: 1979-07-27
Abstract: A wall tie (1) comprises a length of metal wire bent into a pair of "butterfly" loops serving as anchoring portions (2 and 3) with ends (4) twisted at the middle, at least one anchoring portion being coated in resilient plastics material thus reducing noise transmission through cavity walls. Both anchoring portions (2 and 3) are embedded in mortar (6 and 7) of respective leaves (8 and 9) of a cavity wall, the twisted ends (4) being bent downwards to serve as a drip promoter. Alternatively, the plastics material may extend from both ends of the anchoring portions or the whole of the metal may be coated in the plastics material. A wall tie may be alternatively formed of punched and pressed metal with a bridging portion (12) between two loops formed with a kink to serve as a drip promoter. <IMAGE>
Patent GB-2035647-A (GB)
Title: Bill preparation for self-service store
IPC: G06Q30/00
Filed: 1979-10-05
Abstract: To facilitate the check-out procedure in a self-service store, a customer trolley is provided having means 16 for sensing a parameter, preferably the weight, of articles placed in the container 11 of the trolley, and also a data handling unit 17. This unit 17 has a device 63 for receiving data supplied by the customer uniquely identifying the articles selected for purchase. The unit is arranged so that this data can be stored in correlation with the sensed weight so that the sensed weight can be checked against a nominal weight value for the respective article to make a validity check on the identifying data. Then, the price of the article can be selected automatically enabling automatic preparation of the bill without removing articles from the trolley. The unit 17 may store the identifying data and sensed weight values and have means for communicating with a central fixed computer 80 in the store so that the checking and bill preparation is performed by the computer 80 when the trolley unit 17 is plugged in at a terminal 30. Instead the units 17 may themselves have memories containing the nominal weights and prices so that bills can be prepared by the units 17 as articles are selected. <IMAGE>
Patent GB-2063115-A (GB)
Title: Grinding machines
IPC: B24B19/02
Filed: 1979-10-08
Abstract: A grinding machine suitable for grinding the inner race of a constant velocity universal joint (25) has a workpiece support (20) comprising two recessed members (21, 22) which when pressed together hold firmly in the recesses (24) thereof a workpiece (25) in which grooves are to be ground by a grinding wheel (26), the support (20) and workpiece (25) together being rotatable about a first axis (23) by a work drive spindle (not visible). Means are provided for automatically advancing the grinding wheel (26) intermittently towards the first axis (23) to compensate for grinding wheel wear and preferably also dresser diamond wear and/or thermal changes in the machine. After each grinding operation the members (21, 22) are separated along the first axis (23), and then pressed together again so that suitable means (28, 30) can rotate the workpiece (25) about a second axis perpendicular to the first axis and present a further peripheral portion thereof to the wheel (26) for subsequent grinding. A probe (33) and related control means (38, 39) are provided to detect any difference in spacing between datum faces (34) on the members (21, 22) and a reference due to an incorrectly sized workpiece and to produce corresponding movement of the support (20) along the first axis (23) to ensure correct alignment of the workpiece (25) and the wheel centre plane (32). Preferably after all grooves have been ground in a workpiece (25) means are provided for ensuring that it always halts in a predetermined orientation about the first axis (23) to facilitate automatic loading/unloading. <IMAGE>
Patent GB-2043848-A (GB)
Title: Boilers
IPC: F24H9/18
Filed: 1979-12-10
Abstract: A boiler especially a shell boiler having an auxiliary heat exchanger 42 which is an economiser or a superheater and which consists in a tube or tubes connected in series with the main boiler heat exchanger and arranged in a bed of fluidisable particulate material. The bed is fluidised by gaseous fluid from the combustion chamber of the boiler, typically using the boiler forced- draught fan or blower to provide the necessary pressure drop through the fluidised bed. The bed of particles is typically relatively shallow and fins are provided on the tube or tubes. The second pass of firetubes in the case of a shell boiler contains relatively few tubes of relatively large diameter. <IMAGE>
Patent GB-2039821-A (GB)
Title: Manufacture of Articles from Fibre-reinforced Plastics Material
IPC: B29C43/02
Filed: 1979-12-14
Abstract: An article is formed from fibre- reinforced plastics material in which in at least one region the fibres are oriented in a predetermined direction and in at least one other region the reinforcing fibres are randomly oriented. Manufacture is by pressing in a mould two types of fibre reinforced plastics material, that is to say material in which the reinforcing fibres are oriented in the said predetermined direction and material with randomly oriented reinforcing fibres.
Patent GB-2046523-A (GB)
Title: Float operated switching assembly
IPC: H01H36/02
Filed: 1980-02-15
Abstract: A float operated switching assembly has a float (4) which follows the liquid level and a primary magnet (7) which follows the movement of the float. The magnet (7) controls the angular position of a pivoted secondary bar magnet (16) on the other side of a non-magnetic wall (9) and the angular position of the magnet (16) controls by magnetic attraction the angular position of a tertiary pivoted magnet (17). The angular position of the magnet (17) controls via a coupling (20, 23) a pneumatic valve (24) or electric contacts (not shown). In each end position the magnets (16) and (17) adopt a mutually magnetically held position. The geometry is such that this retension of the magnet (16) is unaffected by movements of the magnet (17) resulting from pneumatic surges in the valve (24). The geometry is also such that the magnet (16) receives from the magnet (17) less torque than the magnet (17) receives from the magnet (16). <IMAGE>
Patent GB-2070174-A (GB)
Title: Conduit connector
IPC: A47C20/08
Filed: 1980-02-26
Abstract: A connector is described for use with a low pressure air conduit which comprises male and female tubular parts, the male part (Fig. 3) having a groove 10 for reception of the legs 5 of a spring 4 carried by the female part (Fig. 1) when the two parts are assembled together and a portion of the groove 10 in the male part being shaped so as to move the legs 5 apart when the two parts are rotated relatively to one another and thus permit the two parts to be disassembled. <IMAGE>
Patent GB-2045172-A (GB)
Title: Anti-pollution equipment
IPC: E02B15/06
Filed: 1980-03-05
Abstract: A barrier for the containment and recovery of oil spilt on water comprises a first buoyant air chamber 1, a ballast water chamber 2, an oil and water discharge tube 3 and a second buoyant air chamber 6. The first air chamber 1 has a plurality of sections of reduced diameter 7, which together with the ballast water chamber 2 define a series of weirs for oil and water to pass into a gallery formed by the ballast water chamber 2, the oil and water discharge tube 3 and the second air chamber 6. Pumps 4 may be provided in the oil and water discharge tube 3 to remove oil from the gallery. The second air chamber 6 provides buoyancy to maintain the optimum configuration of the weirs. <IMAGE>
Patent GB-2073695-A (GB)
Title: Stacking elongate workpieces
IPC: B65G57/18
Filed: 1980-04-10
Abstract: Groups of extruded side-by-side lengths 42 of aluminium are stacked in a skip 18 on spacers 17 which separate successive layers of the lengths. Each spacer 17, which supports the ends of a group of extruded lengths is gripped by a pair of jaws 29, which transfer the spacer to the skip on reciprocation of jaw mounting carriers 28. The extruded lengths are moved onto the spacers by conveyors 13, 14 and 23. <IMAGE>
Patent GB-2074713-A (GB)
Title: Spark ignition
IPC: F23Q3/00
Filed: 1980-04-23
Abstract: A remotely actuated spark ignited gas lamp includes a gas burner 2 with associated gas supply and a spark ignition system comprising a spark electrode assembly 3 energised intermittently by an electronically timed spark generator 8. The gas supply is typically controlled by an electrically operated solenoid valve 5 and the valve and electronic timer are energised by a switch 16 in the circuit of a mains household wiring system. <IMAGE>
Patent GB-2051047-A (GB)
Title: Anti-Anginal 3-Substituted Hexahydro-Pyrimido[1,2-a] Azepines
IPC: A61P9/04
Filed: 1980-05-09
Abstract: A process for the preparation of pyrimido[1,2-a]azepines of the general formulae I   <IMAGE>  and mixtures and pharmaceutically suitable salts wherein  R is hydrogen or lower alkyl, R<1> is lower alkyl, phenyl, carboxyl, lower alkoxycarbonyl, nitrile, carbamoyl or carbohydrazido,  R<2> is hydrogen or lower alkyl  comprises reacting a compound of the formula III   <IMAGE> wherein R is defined as above with a compound of the formula IV   <IMAGE> wherein R<2> is as defined above,  R<3> lower alkyl, phenyl, lower alkoxycarbonyl, nitrile,  R<4> is hydrogen or lower alkyl R<5> is lower alkyl and optionally transforming the initial product(s). Most of the compounds of general formulae I and II are novel. The compounds are of interest in the treatment of angina.
Patent GB-2076367-A (GB)
Title: A box or tray made from a folded blank
IPC: B65D5/00
Filed: 1980-05-22
Abstract: A box or tray has a base (2) and side walls (4, 6) connected to the base along fold lines (8). The width of the base (2) measured between the fold lines (8), is greater midway along the base (2) that it is at the ends of the base (2) so that the central region of each side edge of the base is at a higher level than the end regions of the side edge when erected. This enables moisture in the box or tray to drain away, for example through holes (30), so avoiding saturation of the material of the box or tray. <IMAGE>
Patent GB-2052985-A (GB)
Title: Tryptophan for use in treating atherosclerosis
IPC: A61K31/404
Filed: 1980-07-07
Abstract: Pharmaceutical compositions comprise a compound:   <IMAGE>  wherein  R1 is H or a cation,  R2 is H, C1-8alkyl or benzyl, R3 is in 4-, 5-, 6- or 7-position and is H, fluorine, chlorine, bromine, C1-3alkyl or C1-3alkoxy and  A is   (i) the residue of a long-chain, one- to fourfold ethenylenically unsaturated fatty acid having 7 to 23 carbon atoms or (ii) a corresponding residue in which each ethenylene (-CH = CH-) group is replaced by a cyclopropylene group   <IMAGE> with a carrier.
Patent GB-2054279-A (GB)
Title: Hysteresis clutch
IPC: F01P7/08
Filed: 1980-07-16
Abstract: A hysteresis clutch, more particularly for cooling fans 5 of motor vehicles, has an energising part 7, 8 carried by a rotor 9, and a hysteresis part 3 connected to the fan 5. The energising part comprises two concentric rings 7, 8 which are rotationally fast with one another and axially nondisplaceable. The soft magnetic rings 7, 8 are polarised by a coil 13 and have impressed poles of the same number which are peripherally offset in relation to one another. The hysteresis part 3 is constructed as a ring of permanent magnetic material and is rotatably guided between the energising rings 7, 8. <IMAGE>
Patent GB-2091527-A (GB)
Title: Heatable Panels
IPC: H05B3/84
Filed: 1981-01-14
Abstract: An electrically heatable light- transmitting glazing panel 1 comprises spaced electrically conductive bus strips 2, 3 interconnected by electrically conductive heating means deposited on a substrate of glazing material. The panel includes a plurality of substantially parallel lines 6 of electrically conductive material deposited onto the substrate so that at least some of them are comprised in the heating means. The lines each have a width less than 0.5 mm and adjacent lines are spaced apart by less than 10 mm. <IMAGE>
Patent GB-2068466-A (GB)
Title: Rotary positive-displacement fluid-machines
IPC: F04C2/344
Filed: 1981-02-02
Abstract: A pump of the sliding-vane type for a pastey material e.g. minced meat, has a casing 1 having an inner concave annular surface 7 whose generatrix is an arc of a circle. A rotor 11 has a part-spherical surface 15 which together with the surface 7 defines an annular working-chamber. Vanes 24 on the rotor extend radially across the working chamber and displace the said material from an inlet 35 to an outlet 32, a fixed partition being placed on the downstream side of the outlet to direct the material into the latter, Fig. 2 (not shown). A part-annular cam 21 secured to the casing lifts the vanes into an operative position after they have passed under the partition in a retracted position. The working chamber may be toroidal, Figs. 3 and 4 (not shown). <IMAGE>
Patent GB-2096275-A (GB)
Title: Gate valve with heat- responsive bearing assembly providing back seat sealing
IPC: F16K41/14
Filed: 1981-04-02
Abstract: The bearing assembly (24) of a normally non-rising stem gate valve (10) is provided with an annulus (22) of fusible material. Upon subjection to a preselected temperature level, e.g. in case of fire, the fusible body (22) melts out of the way, permitting the stem (12) to rise slightly, making up a metal-to-metal seal (A/B) between the valve stem (12) and bonnet (20). This forms another line of defence against consequences from loss of the sealing normally provided by the valve stem packing (18). <IMAGE>
Patent GB-2071102-A (GB)
Title: Synthesis of optically active functionalised azetidinones
IPC: C07D205/085
Filed: 1979-04-05
Abstract: Novel 3R, 4S and 3R, 4R epimers of the general formula:   <IMAGE> useful as intermediates in the preparation of beta-lactam structures can be obtained by reacting a penicillin having the formula:   <IMAGE> where R is H or a protected amino or protected amido group, R1 is an alkyl radical having 1-6 carbon atoms, or an aryl radical or a heterocyclic residue and A is an alkyl radical having 1-6 carbon atoms, with a compound R1COOH in the presence of trimethyl phosphite to give a mixture of 3R, 4S and 3R 4R epimers of the general formula:   <IMAGE> The latter mixture can be separated into its constituent epimers which can then be converted into the respective intended compound of formula XX by successive isomerisation of the olefinic bond, oxidative cleavage of the olefinic bond to give an oxamide and hydrolitic removal of the oxalyl group, or these successive steps can be applied to said mixture to give a mixture of the intended 3R, 4S and 3R, 4R epimers which are then separated from each other.