baber/WOPTO huggingface dataset:
Patent GB-1488152-A (GB)
Title: Logic circuit
IPC: H03K19/088
Filed: 1974-08-30
Abstract: 1488152 Bipolar transistors ROBERT BOSCH GmbH 30 Aug 1974 [1 Sept 1973] 37978/74 Heading H1K [Also in Division H3] A logic circuit comprises a planar lateral PNP transistor formed in a PN-junction isolated part of an N-type epitaxial layer and comprising at least two control collector zones interposed between its emitter and its output collector zone whereby the output collector zone can be starved of current by reverse biasing one or a combination of the control zones, and, physically separate from but electrically connected to said output collector an NPN output inverting transistor. Various lateral transistor structures for use in and in association with such a circuit are described. In the Fig. 1 structure, in which the transistor is formed over a highly doped N + layer control and output collector zones C 1  and C 0  are provided, and C is a reference collector shorted to the base zone. A NOR function may be provided by substituting for collector C 1  two or more separately biasable portions, a NAND function by provision of a further control collector between C 1  and C 0  and more complex functions by a combination of such provisions, as in Fig. 11a in which several transistors share main collector and reference zones. This figure shows the output inverting NPN transistor Tu which is included in the circuit to enable it to gate further similar logic stages. Where two further devices are gated by the same output, transfer of current from an input gate of one device to one of another, leading to spurious outputs, is avoided by providing a diode between the inputs or supplying each input via a vertical PNP transistor formed in the same island as the NPN inverter of the preceding stage. Use of such circuits in an RS flip-flop (Fig. 12, not shown) and in a frequency divider operating on the master-slave principle (Fig. 13, not shown) is described.
Patent GB-619812-A (GB)
Title: Improvements relating to rope leads
IPC: F16H7/18
Filed: 1946-12-30
Abstract: 619,812. Fairleads. MILLER & SONS, Ltd., J. N., and MILLER, W. P. Dec. 30, 1946, No. 37980. [Class 78 (v)] A fairlead comprises at least two rotatable bollards 10 and 11, each of a form which converges upwardly towards its axis ; and rotatable discs 13, 14, each of which is of convex shape and co-operates with its respective bollard to guide the rope. As shown, the bollards and discs are journalled respectively vertically and horizontally on the same base frame 12 in which is also journalled the horizontal supporting roller 18. The rope 17 passes over roller 18 and between the bollards 10, 11 and then between its discs 13, 14, and is kept within the device by guard 19 which is detachable to facilitate the insertion of the rope. The device may be supported on a post or be fixed on the gunwale of a ship and may be swivelable.
Patent GB-1272110-A (GB)
Title: Improvements in and relating to gas regulating devices
IPC: F24H9/00
Filed: 1969-07-29
Abstract: 1,272,110. Controlling gas burners. JUNKERS & CO. G.m.b.H. 29 July, 1969 [30 July, 1968], No. 37990/69. Heading F4T. In a gas regulating device having a thermostatic gas valve and a thermo-electric ignition safety device arranged in a common housing 31 closed off by a protective cover 31, a rotatable setting knob 33 for the valve and a push-button 32 for opening the safety device extend through one wall of the device and the push-button is movable parallel to the wall. As shown in Fig. 3, the rotatable knob 33 may actually project through the push-button 32.
Patent GB-860606-A (GB)
Title: Improvements in and relating to the loading chambers of magazine rocket projectors
IPC: F41F3/052
Filed: 1958-11-25
Abstract: 860,606. Rocket launchers. VERWALTUNGS GESELLSCHAFT DER WERKZEUGMAS HINENFABRIK OERLIKON. Nov. 25, 195 [Nov. 26, 1957], No. 38003/58. Class 92. An electrically fired rocket launcher has oblique-faced claws 13, 16 Fig. 4 protrudin into the loading chamber and urged upwardly by a spring 7 into contact with the margins 20i 20b of the rear flange of a rocket 20 so as to retai the rocket until the moment of launching. The claws 13, 16 are carried by a moveable frame urged rearwardly by a spring 11 and pivoted a 9 at each side of the frame to a short arm 6 i turn pivoted at 4b to an arm 4a of a forke member pivoted at 5 to lugs 3 secured to the loading trough 1. The frame 8 and claws 1 16 are urged upwardly by springs 7 each c which engages a pin 6a an arm 6, the pins C being located near the pivot points 4b betwee the arms 4a and 6. The arrangement is such the when the rocket is fired and moves forward, the claws 13, 16 and frame 8 are forced by the rocke to move in a swinging movement forwardly an downwardly away from the loading chamber as shown in Fig. 5 but such movement does not involve any additional loading of the springs 7 which remain vertically disposed. Any additional loading of the springs 7 would delay launching and the arrangement thus fascilitate rapid firing and loading of the rocket from the magazine to the loading chamber. The rockets are fed from a magazine (not shown) through a shaft by an electrically driven feeder drum (not shown), the circumferential surfaces of the drum forming together with a closure face of a rocket (not shown) and with the loading trough, a temporarily closed loading chamber. The contact claw 13 and a resiliently mounted contact pin 14 are connected to an electric source for ignition of the rocket. In a modification Fig. 6 (not shown) the claw 16 also serves as a contact piece for ignition of the rocket and is mounted on the frame 8 for limited pivotal movement. Fig. 8 shows the electrical circuit including a current source 31 for driving the feeder drum and igniting the rockets and a relay 33 for operating contact pieces 34, 36, and 38 which open and close the circuits of an electromagnetically operated brake 35, magnetic clutch 37 and motor 39 respectively. When a rocket is unduly delayed in the launching position, the relay 33 operates to apply the brake 35, disengage the clutch 37 and interrupt the circuit of the motor 39. The feeder drum is stopped immediately and rockets are not fed until the launching is effected.
Patent GB-1039731-A (GB)
Title: Improvements in or relating to air filtering devices
IPC: F02M35/08
Filed: 1961-10-25
Abstract: 1,039,731. Air filters. W. FRIEDLAND and R. J. T. HINE. Oct. 24, 1962 [Oct. 25, 1961], No. 38215/61. Heading B1T. A air filtering device comprises a filter element 11 and air feed means 13 which when connected to air under pressure directs a flow of air on to part of the outlet face of the element to urge the air to reverse flow through the element and so clean the latter, the air feed means including a nozzle 34 so disposed that the reaction of the air leaving the nozzle causes the latter to rotate so as to traverse the flow of air across the element. The element is disposed within a casing 12, e.g. of resin impregnated synthetic plastic material, comprising a tray 16 and a cover 17,the tray having a pipe 18 for outlet of the filtered air, e.g. to an I. C. engine, and annular ridges 19, 21 for locating the element. The air feed means 13 includes a bored tube 23 the lower end of which is secured to a bridge piece 22 extending across the pipe 18, the tube 23 being screwed at 24 for coupling to a supply of compressed air. A disc 25 is secured to the tube 23 above the cover 17 and a compression spring 26 is disposed between the disc and the cover, and a bellows 27 is disposed between the underside of the cover 17 and the element 11, the bellows communicating by means of ports 28 with the bore of the tube 23. Air to be filtered is admitted to the filter element through holes 39 in the cover 17 which has curved vanes thereon to impart a swirling movement to the air. The nozzle 34 forms part of a member 29, e.g. of polythene, arranged to rotate about the tube 23 and having a cavity 32 therein communicating with the nozzle 34 and through ports 33 with the bore of the tube 23. The nozzle 34 is at a small angle to a radius from the axis of the member 29 for rotating the latter. A centrifugal governor is provided to limit the speed of rotation of the member 29 and comprises a brass member having a friction ring part 35 surrounding the tube 23 and an arm 36 lying within a groove 38 in the member 29 and carrying a lead weight 37. When the filter element is to be cleaned the air feed means 13 is connected to a source of air under pressure so that the air passes to the nozzle 34 which is thereby rotated and cleans the element, the air also passing to the bellows 27 which lifts the cover 17 against the spring 26 so that dirt and cleaning air can escape between the cover 17 and the tray 16. The rate of flow of air to be cleaned passing through the filter can be controlled by adjusting the clearance between the disc 25 and the cover 17. The nozzle 34 may point slightly downwards so that the member 29 climbs up the tube 23 while rotating, and a spring may be provided to return the member 29 to its initial position. More than one nozzle may be provided.
Patent GB-1188740-A (GB)
Title: A Uranium Alloy with a Low Molybdenum Content
Inventor: LEROUGE GEORGES
IPC: G21C3/60
Filed: 1968-08-09
Abstract: 1,188,740. Nuclear fuel. COMMISSARIAT A L'ENERGIE ATOMIQUE. 9 Aug., 1968 [11 Aug., 1967], No. 38270/68. Heading G6C. [Also in Division C7] A uranium base alloy, for use in nuclear reactor fuel elements, comprises: Mo 0À03- 0À25%; Sn 0À02-0À15%; optionally one or more of Fe 0À02-0À08%, Si 0À02-0À15%; and Al 0À02-0À2% or Cr 0À02-0À08%; the balance, apart from impurities, being uranium. Grain refining heat treatments are described.
Patent GB-1469110-A (GB)
Title: Moudling apparatus
IPC: B29L31/54
Filed: 1973-08-14
Abstract: 1469110 Moulding rubber articles DUNLOP Ltd 2 Aug 1974 [14 Aug 1973] 38338/73 Heading B5A Article parts of uncured rubber, e.g. annular halves of a tyre inner tube, are formed in the opposed cavities of mould halves 3, 7 in association with a core assembly 27-29, which halves are then brought together, after removing the core, to join and cure the parts. Grooves 14a, 14b, 15a, 15b in the mould halves receive uncured rubber during the injection of the rubber into the cavities and prevent the displacement of the parts on mould opening and core removal. The mould is pressurized with gas during the moulding by a casing 9 vertically movable to a position to enclose the cavities and to a retracted position wherein the cavities are accessible. The mould halves are located in a press 1, 2 provided with opposed heat sinks 4, 8; the lower mould half and heat sink are vertically movable by rams. The casing has seals 21-24 which slidably engage cylindrical sleeves 10-13 surrounding the mould halves and heat sinks when the casing is raised to its operative position by a ram. In operation, the core is located between the heat sinks, with its parts 28, 29, spaced from the part 27, Fig. 5, where a transfer chamber 32 receives a measured supply of rubber from an injection screw 5. During this time the formers 30, 31 of the core are cooled by the heat sinks. The latter are then separated and the core lowered and fed to between the mould halves; such feeding is effected by a carriage supported by the casing which is raised. The mould halves are then urged together, Fig. 6, forcing the uncured rubber from the transfer chamber through passages 35, 36 into the mould cavities and grooves. During this period the casing is pressurized. The mould halves are heated by steam circulation through passages 39, 40 when the core is removed and the mould halves brought together to join and cure the moulded parts.
Patent GB-868282-A (GB)
Title: Floor coverings
Inventor: BUIST JACK MITCHELL
IPC: D06N3/00
Filed: 1957-12-11
Abstract: 868,282. Floor coverings. IMPERIAL CHEMICAL INDUSTRIES Ltd. Dec. 10, 1958 [Dec. 11, 1957], No. 38484/57. Class 140. A floor covering comprises a non-fibrous sheet of flexible or semi-flexible material such as linoleum, which may be free from a hessian backing, or linoleum-asphalt mixtures, having an adherent backing comprising polyurethane flexible foam. The application of the polyurethane may be achieved as in Specifications 769,680, 839,183 and 845,206, and then at least the final stages of the polyurethane-forming reaction may be allowed to take place on the non-fibrous sheet. The polyurethane forming ingredients may be applied by spraying and a non-porous layer, e.g. a film of polythene or waxed paper, may be applied to the surface of the foam while foaming is occurring so as to prevent undue loss of gas through the surface of the foam. A second non-fibrous sheet may be applied to the foaming layer to form a " sandwich " which may be cut into two through the middle of the foam layer thereby producing two sheets of floor covering. Specification 759,602 also is referred to.
Patent GB-1189017-A (GB)
Title: Purifying Crude Methanol
IPC: C07C29/88
Filed: 1967-08-22
Abstract: 1,189,017. Purification of methanol. BADISCHE ANILIN- & SODA-FABRIK A.G. 22 Aug., 1967 [23 Aug., 1966], No. 38627/67. Heading C2C. Crude methanol is purified by treatment with hydrogen peroxide and alkali after removal of a substantial proportion of the carbon dioxide present in the crude methanol. The CO 2  content is preferably lowered to less than 0À05% by weight, by heating or distillation of the methanol or by stripping with a CO 2 -free gas. Heating or distillation may be carried out at above atmospheric pressure. Stripping may be effected in a column by upward passage of the gas, e.g. nitrogen, hydrogen, carbon monoxide or the expanded gaseous methanol from synthesis of methanol at elevated pressure, through a downward flow of the crude methanol. The purification is effected by oxidizing impurities, especially iron carbonyls, with dilute aqueous hydrogen peroxide and sodium hydroxide in respective concentrations of 0À005-0À05% and 0À01- 0À15% of the weight of methanol. Alkali may then be removed by distillation.
Patent GB-1142257-A (GB)
Title: Improvements to a chain-like plaything consisting of a number of mutually-connected members
IPC: A63H33/00
Filed: 1967-08-22
Abstract: 1,142,257. Chains. FRANKENPLASTIK VERTRIEBS G.m.b.H. & Co. K.G. 22 Aug., 1967 [28 Sept., 1966], No. 38646/67. Heading F2Q. [Also in Division A6] A chain-like toy comprises a plurality of members 1 tapered towards their ends and joined by tensionally resilient coupling-parts each of which is pivotally connected to a pair of adjacent members holding them in areal contact but permitting them to move relatively when resistance due to resilience of the coupling- part is overcome, the members being able to contact one another areally in various positions and the coupling-part comprising at least one annular member 18 embracing a pivot of a member 1 and made of a stiff but resilient material. As shown, each member 1 comprises half-members held together by metal plug-pins inserted in sleeve 16 integral with the insides of the members. An annular member 18 surrounds and is spaced from a pair of joined sleeves but is connected to them by bar 19 and socket 20. The coupling part is formed by two such members 18, one in each of two members, connected rigidly by bar 21. Each pin 6 is equidistant from the contacting surfaces 3, 4, 5 at the end of the member nearest it. The toy may be made from plastics, apart from the pin 6.
Patent GB-1267687-A (GB)
Title: Container and cover therefor
Inventor: ROPER WILLIAM HENRY
IPC: B65D43/02
Filed: 1969-08-01
Abstract: 1,267,687. Container and cover assembly. W. H. ROPER, R. E. ROPER, and C. R. ROPER. 1 Aug., 1969 [2 Aug., 1968], No. 38676/69. Headings B8D and B8T. The sidewall 86 of a container 82 terminates in an upper annular bead 96. A cover 84 for the container has its rim 100 in the form of an inverted U-shape which engages the bead 96. The closing wall 108 of the cover includes an annular recess 110 which may be downwardly facing, Fig. 6 (not shown), having a series of ribs 112 extending radially across it and spaced circumferentially of the cover which serve to stiffen the flange 106. A seal is achieved between container and cover by engaging the cover outer flange 102 with the bead under surface 98 and thus deforming a sealing ring 104. The sidewall 86 of the container may taper slightly outwardly upwardly to enable container/cover assemblies to be stacked one upon another, the lower wall 88 of the container engaging the cover as shown. The container may have external annular stiffening ribs (28), Fig. 1 (not shown), ribs (54) adjacent the underside of its base and the sidewall, and a bail-like handle (22).
Patent GB-1037167-A (GB)
Title: Water-insoluble heterocyclic monoazo dyes containing a methine residue and preparation and use thereof
IPC: C09B45/00
Filed: 1964-09-23
Abstract: The invention comprises azo dyestuffs free from groups inparting solubility in water of the formula <FORM:1037167/C4-C5/1> wherein R represents a residue of the quinoline, pyridine, pyrimidine, thiazole, thiadiazole, oxazole or imidazole series and X represents an arylsulphonyl group or a carbalkoxy residue having at most 7 carbon atoms or a cyano group.  They may be obtained by diazotizing an amine of the formula R-NH2 and coupling with a compound of the formula <FORM:1037167/C4-C5/2> Preferred compounds are those of the formula <FORM:1037167/C4-C5/3> wherein Y1 represents H, halogen or an alkyl residue having at most 6 carbon atoms, Y2 represents H, halogen or NO2; and Y3 represents H, halogen or NO2 or an alkyl or alkoxy group having at most 6 carbon atoms.  The dyestuffs may be converted to the metal-complex compounds by the action of compounds of complex-forming metals either in substance or in the fibre. Specified metal compounds are salts of Co, Cu, V, Cr, Zn, Al and Ni. Examples are given for the production of dyestuffs having the preferred formula and in which X is CN, phenylsulphonyl, or ethoxycarbonyl.  The dyestuffs may be used for dyeing or printing polyolefine fibres that contain salts of complex-forming metals.  The dyes give yellow tints on nickel-containing polypropylene fibres.
Patent GB-843341-A (GB)
Title: Improvements in or relating to electric filter circuits
Inventor: PATTERSON KENNETH GUY
IPC: H01P1/209
Filed: 1956-12-20
Abstract: 843,341. High frequency filters. GENERAI ELECTRIC CO. Ltd. Dec. 9, 1957 [Dec. 20 1956], No. 38852/56. Class 40(8). At least twc frequency sensitive impedances, which may comprise coaxial stubs are coupled by probes to a hollow pipe waveguide to form an electric filter circuit. The waveguide 1 of rectangular crosssection carries three coaxial stubs, 2, 3 and 4 having probes 9, 10 and 11 respectively, to form a band stop filter with a mid-band frequency of  2000 mc/s and these stubs are spaced a distance apart of a quarter of a wavelength at this frequency on a major wall 5 of waveguide 1. The stub 2 has an outer conductor 6 with the inner conductor formed in three sections 13a, 13b, 13c, the central one 13b having a greater diameter than the others; the physical length of the stub having sections with differing characteristic impedance being less than that of the equivalent uniform stub line. Stub 4 is similar to stub 2, but the central portion 14b of stub 3 is smaller in diameter than sections 13b, 15b. The probes 9, 10 and 11 are formed as extensions of the central conductors of the stubs and each stub is provided with a variable capacity termination, e.g. 16. The embodiment of Fig. 2 (not shown) is a band pass filter with four coaxial stubs. Specification 659,812 is referred to.
Patent GB-1191846-A (GB)
Title: Catalyst Composition and Treatment Method
Inventor: HARRIS NORMAN
IPC: C01C1/04
Filed: 1966-08-31
Abstract: 1,191,846. Ammonia synthesis catalysts. IMPERIAL CHEMICAL INDUSTRIES Ltd. 8 Aug., 1967 [31 Aug., 1966], No. 38858/66. Heading B1E. [Also in Division C1] A method of rendering oxidation-resistant an ammonia synthesis catalyst comprising metallic iron and one or more promoter compounds comprises treating it with ammonia at a temperature in the range 300‹-500‹C. and at an ammonia concentration such that iron nitride formation takes place and then subjecting it to oxidation at such a temperature that any pyrophoric iron remaining after the ammonia treatment is converted to oxide with decomposition of a substantial proportion of iron nitride. Such a catalyst may comprise Fe 2 N (to the extent of 4-8% nitrogen by weight), a minor proportion of iron oxide and possibly metallic iron. Specified promoters are oxides of K, Ca, Al, Be, Mg, La, Mo and Si.
Patent GB-1382214-A (GB)
Title: Fluid shortenings
IPC: A23D9/02
Filed: 1973-08-17
Abstract: 1382214 Fluid shortenings PROCTER & GAMBLE CO 17 Aug 1973 [17 Aug 1972] 38990/73 Heading C5C Fluid stortenings are produed by triglyceride oils, normally solid triglycerides and an emulsifier by (a) dividing the triglyceride oils into two portions, the first containing 20-80% of the total oils, the second the remainder, (b) adding the solid triglyceride. to at least a part of the first oil portion, (c) adding the emulsifier to the second oil portion, (d) processing the mixture from step (b) to a fluid shortening and blending this with the remainder, if any of the first oil portion, (e) cooling and agitating the product from step (c) to cause nucleation and crystal growth of normally solid components of the mixture and (f) blending the fluid shortening product of step (f) with the product of step (e) at 85‹ to 110‹ F. The glyceride oils can be cottonseed, soyabean, peanut, rapeseed, sesame or sunflower oil or interesterified oils obtained from lard or tallow, or di- or triglycerides in which one of the -OH groups of the glycerine is replaced by acetic, propionic, butyric or caprylic radicals. The emulsifier is fatty mono- or di-glycerides, fatty acid monoesters of propylene glycol, polyglycinol esters, lactylated esters of monoglycerides or polyglycerols, tartaric or acetic acid esters of mono- or diglycerides, oxylated and non-oxylated esters of sorbital or mixtures thereof.
Patent GB-1012776-A (GB)
Title: A method of automatically preparing raw kapok and to apparatus for performing the same
IPC: D01B9/00
Filed: 1963-10-04
Abstract: 1,012,776. Mixing, opening and treating fibres. W. SPANKUS. Oct. 4, 1963 [Oct. 6, 1962], No. 39248/63. Headings D1F and D1N. In the preparation (including two opening stages) of raw kapok, the fibres e.g. a blend of fibres of different origin, are gently turned and slightly loosened in a mixer whence a predetermined quantity is conveyed into a preheater by an air current of controlled intensity and/or duration. As shown in Fig. 1, a blend of kapok in a mixer 1 is blown by an air stream induced by a fan 2 into a metering ejector 3 which is maintained in operation by control means 4 e.g. clock- or electronicallycontrolled or rotary switchgear, for a time interval sufficient to fill a preheater 6 evenly with kapok tufts. After a predetermined interval e.g. 120 seconds, the control 4 starts a blower 41 which empties the preheater 6, the tufts passing through a trunk 7 to a distributor 9 whence they are conveyed through a trunk 10 into opening machines 11 and 12 and finally into a bagging machine 13. In the mixer shown in Fig. 2, a fan 24 delivering into a pipe 20 with an elbow 21 (and with the assistance of a small blower 19) blows the fibres into the ejector 25 from which they are forced by a powerful blast of air provided by a fan 30 into a trunk 33. The mixer may include a rotating shaft 15 carrying "propeller-like" and "spade-like" blades 17 and 18. In a conventional preheater, Fig. 4 (not shown) through which steam is passed, some of the blades carried on a rotating shaft are replaced by a concave baffle plate which prevents too rapid a passage of fibres through the preheater. The arrangement of separate fan blowers may be replaced by a single pneumatic system with independent control e.g. by valves, of the flow conditions in the separate trunks &c. The system is "warmed through" by preliminary operation without fibre.