baber/WOPTO huggingface dataset:
Patent GB-1103985-A (GB)
Title: Novel des-a-steroids
IPC: C07C309/66
Filed: 1965-03-29
Abstract: Novel compounds of the general formula <FORM:1103985/C2/1> wherein X represents a hydrogen or halogen atom or a lower alkyl, lower alkylthio or lower alkanoylthio group in the 6- or 7-position, LO represents a hydrox or esterified hydroxy group and D represents the grouping of the formula <FORM:1103985/C2/2> <FORM:1103985/C2/3> or <FORM:1103985/C2/4> in which R1 represents a hydroxy or esterified hydroxy group, R2 represents a hydrogen atom or a lower alkyl group or R1 together with R2 represents an oxo, lower-alkylenedioxy or 17b -hydroxy - 17a  - (lower alkanoic acid) lactone group, R3 represents a hydrogen atom or a lower alkyl, hydroxy, or esterified hydroxy group, R4 represents a hydrogen or halogen atom or a lower alkyl, hydroxy or esterified hydroxy group, R5 represents a hydrogen or halogen atom, OR6 represents a hydroxy or esterified hydroxy group and R30 represents a hydrogen or fluorine atom or a lower alkyl, hydroxy or esterified hydroxy group, are prepared by oxidizing an 11 - hydroxy - androst(or pregn) - 4 - en - 3 - one of the general formula <FORM:1103985/C2/5> by ozonolysis or by treatment with hydrogen peroxide, converting the resulting 5-oxo-11-hydroxy - 3,5 - seco - A - norandrostan (or pregnan)-3-oic acid 3,11-lactone of the general formula <FORM:1103985/C2/6> into an alkali metal salt of the corresponding free acid, pyrolyzing said alkali metal salt and, if desired, esterifying the resulting 11-hydroxydes-A-androstan (or pregnan)-5-one so as to form an esterified hydroxy group in the 11-position.
Patent GB-765137-A (GB)
Title: Improvements in or relating to a container and support therefor
IPC: B60S1/50
Filed: 1954-12-20
Abstract: 765,137. Bags; stoppers. PRODUCTIVE INVENTIONS, Inc. Dec. 20, 1954 [Jan. 8, 1954], No. 36730/54. Classes 94(2) and 125(3). [Also in Groups XXIII and XXV] Relates to a container 1 and a support 3 therefor, the container being provided with pockets 11 and the support including a pair of hooks 4 extending into the pockets 11 for supporting the container. As shown the container 1 is for liquid, and is made of a fabric impregnated with a plastic material so as to render it waterproof. The pockets 11 are provided in wing portions at opposite sides of the container each pocke receiving a front leg 19 of one of the hooks 4. The rear leg 16 of each hook is pivotally attached to the support 3 which is a bracket, one at each end, the ends being offset and provided with a relatively long front corrugation 14 and a rearwardly extending shorter corrugation 15 to receive the leg 16. A recess 17 is located adjacent the upper end of each front corrugation 14 and each recess has a shoulder which forms a stop 18 against which the end 21 of the rear leg of the hook can abut to prevent downward movement of the hook with respect to the bracket. The engagement of the offset end 21 with the recess 17 prevents the hooks pivoting inwardly when in engagement with the container but when not in engagement with the container, by moving the hooks upwardly with respect to the bracket, they can be folded to lie flat against the bracket since the offset end then clears the top of the bracket. The container is made by folding a length of fabric to form the upper edge and the edges of the overlapping portion are bonded together by the application of heat and pressure to form the liquid containing chamber and the pockets 11. The top is also bonded together as indicated at 7 and a tubular neck 22 is sealed in an opening in the top fold. The tubular neck is closed by a detachable cap 24 the upper end of the neck having a lip 25 and the cap having a tapered flange 26. The cap is provided with an upper integral tubular extension 27 and a lower tubular extension 28. A conduit 29 leads from the upper extension for connecting the container with a windscreen washer system of a motor vehicle. A tube 30 extends from the lower extension 28 and this tube is provided with a combined valve and filter assembly. The valve and filter assembly as shown in Fig. 4 comprises a fitting 31 which extends into the end of the tube 30, a tubular element 32 secured to the fitting and a tubular member 33 in the element 32 which acts as a valve seat for a ball valve 34 which is movable between the seat and the lower end of the fitting 31. A cup 35 which contains a filter 36 in the form of a fine-meshed screen is secured to the lower end of the element 32.
Patent GB-302294-A (GB)
Title: Improvements in or relating to electrical condensers
IPC: H01G4/245
Filed: 1928-12-13
Abstract: 302,294. Sprague Specialties Co., (Assignees of Sprague, R. C.). Dec. 13, 1927, [Convention date]. Condensers comprise a flat body of alternate layers of insulating and conducting material, and two terminals extending obliquely to the lateral edges of the body in approximately parallel offset relationship, and extending respectively from the opposite end edges about midway between the lateral edges. The fibre board or other core C has two oblique grooves 1, 2 in which are apertures 3, 4 adapted to receive tapered prongs on the terminals T in the grooves. The conducting and insulating strips comprise thin metal foil tissue paper cemented together with paraffin or the like to form a single composite strip. In building up, Fig. 6, one set of foil and paper strips is applied to the core C with the foil F uppermost, and the terminal T is applied so that the prongs puncture the strip and enter the recesses 3. The inner oblique end of that strip is folded over and the second terminal T' and strip applied, the two being then wound together on the core in the same direction. At the end of the winding operation, the outer end of the inner strip is bent outwardly under the end of the outer strip to remove risk of contact between them, and an insulating wrapper of paper, waterproofed as with asphalt, is applied. Air is removed and impregnation effected with paraffin at high temperature, and the condenser is cooled with an immersion in paraffin at a lower temperature, excess of impregnating material being removed by compressing the condenser. If desired, longer terminals may be used, so that they may be bent to allow of the condenser being mounted on a flat surface. Specification 325,047 is referred to.
Patent GB-1158844-A (GB)
Title: A Device for Retarding Moving Sheets of Paper or the like
IPC: B65H29/68
Filed: 1966-08-17
Abstract: 1,158,844. Sheet delivering apparatus. E. C. H. WILL. 17 Aug., 1966 [28 Aug., 1965], No. 36903/66. Heading B8R. Sheets delivered from a cross-cutting machine (not shown), by a pair of superposed endless belts 30, 31 travelling at a high speed are retarded and overlapped before stacking by a retarding endless belt 10 which travels at a reduced speed and co-operates with a rotary segment 12 acting on the trailing edge of the sheets 20 as they are delivered by the endless belts 30, 31, the rotary segment 12 being driven in synchronism with the cross-cutting machine so as to facilitate delivery of sheets of varying lengths. In one embodiment the rotary segment 12, which is journalled on shaft 13 and driven by belts 18 and pulley 19, is provided with endless belts 17 which are trained over an independently driven pulley 16 and rollers 14, 15 co-operating with the retarding belt 10 and underlying rollers 21, 22 to engage the trailing edge of the sheets 20 and reduce their speed to that of the retarding belt. Overlapping of sheets is assisted by a jet nozzle 25 which presses the following sheets against the lower run of an endless belt 31 to prevent the leading edges of following sheets from fouling the trailing edges of preceding sheets. In another embodiment the segment 12 is replaced by a segment 12<SP>1</SP> (Fig. 6) which supports at its distal end a freely rotatable roller 17<SP>1</SP>.
Patent GB-1402769-A (GB)
Title: Process for obtaining oil from oil-containing grain germs
IPC: C11B1/02
Filed: 1972-08-08
Abstract: 1402769 Extracting oils CPC INTERNATIONAL Inc 8 Aug 1972 37028/72 Heading C5C Oil is obtained from grain germs by treating the finely ground germs in an aqueous slurry with a cellulase preparation that is substantially free from lipase and lipoxidase activity at a pH of 3 to 6 and temperature of 25‹ to 60‹ C. for a time of 2 to 24 hours so that the cell walls are decomposed and the oil liberated, and then separating the oil from the residue. The cellulase preparation may be produced from Trichoderma, Aspergillus, Penicillium or Actinomyces. Oil liberated by the grinding may be separated from the slurry before the treatment with the cellulase preparation. The separation of the oil may be by centrifuging, and the solid residue from the centrifuge may be washed with water, and this wash water and the aqueous phase may be recycled to the process in or before the grinding of the germs. Water-soluble proteins may be recovered from the wash water and aqueous phase, e.g. by spray-drying and using the solid residue as feed. In the examples, the grain used is maize.
Patent GB-875643-A (GB)
Title: Hopper device for attachment to a tractor
IPC: A01D87/00
Filed: 1958-11-18
Abstract: 875,643. Mobile hoppers. MONCK, J. M. Feb. 18, 1960 [Nov. 18, 1958], No. 37038/58. Classes 78 (1) and 78 (4). A hopper comprises two frames 1, 2 of similar shape joined by members 3, 4, 5, the rod 5 being attachable to the hydraulic lift of a tractor. At least one door 11 is provided, latches 13 holding it in the closed position. Panels 14, 15, 16, 17 close the sides and ends of the hopper which is attached to the tractor chassis by stays 6. As shown a bar 18 joins end members 1, 2 and the latch 13 is tripped by a bar 13B operable from the tractor. The hopper is self-emptying and may be raised by the tractor to discharge into a vehicle or container. The frames 1, 2 may be of other geometrical shapes, e.g. trapezoidal, in which case the shortest side would be at the bottom. The members 3, 4, 5 and stays 6 may be pivotally connected so that the hopper may be collapsed for storage. The door may comprise two leaves pivoted together, the upper leaf being pivoted to the member 3. Means may be provided for holding the upper leaf open at a predetermined angle. The door may be pivoted intermediate the top and bottom of the hopper or alternatively at the bottom. In the latter case the door would not extend the full length of the side. As a further alternative two doors which meet in the middle of the side may be pivoted to the top and bottom of the hopper respectively. In this construction the upper door may be locked open at a predetermined angle. In any of the constructions having a door pivoted to the bottom of the hopper the door may be in the form of a conveyer.
Patent GB-1007550-A (GB)
Title: Gears
Inventor: GORDON FRANCES CHARLES
IPC: F16H1/20
Filed: 1963-09-20
Abstract: 1,007,550. Vibration damping; toothed gearing. ROLLS-ROYCE Ltd. Aug. 7, 1964 [Sept. 20, 1963], No. 37183/63. Headings F2S and F2Q. A gear device comprises a driving member 20 attached to or integral with a drive member 21 and a resilient member 35 extending between the driving and driven members and being attached to or integral with one of the members. A chamber 36 is defined by the resilient member and the other member, and means e.g. holes, 43, are provided for introducing fluid into the chamber 36 to damper relative vibrations of the driving and driven members. In the construction shown the resilient member is metallic and the inner periphery forms an interference fit with a seating 40 of driven member 21 while the outer periphery is urged against an annular face 41 of the driving member by its own resilience. The driving and drive members 20, 21 co-operate with a gear wheel 13 and a bevel gear 16 respectively. The gear device is disposed within a fluid-filled casing such that fluid enters the chamber 36 through holes 43 and on the centrifugal force of the fluid reaching a certain level, the outer periphery of the resilient member is urged away from its seat to allow the flow of fluid through the chamber. In a further embodiment the resilient member comprises a flange, integral with the driven member and attached to a face of the driving member by a plurality of bolts. The inner periphery of the flange is scalloped to provide a plurality of chambers and an inlet thereto, fluid again distorting the outer periphery of the resilient member at a certain pressure (Figs. 3, 4, not shown). The gear device may form part of a gas-turbine engine (Fig. 1, not shown).
Patent GB-454643-A (GB)
Title: Apparatus for playing a game
IPC: A63F3/04
Filed: 1934-12-28
Abstract: 454,643. Question-and-answer games. RIPPON, F. F. C., 237, West 74th Street, New York, U.S.A. Dec. 28, 1934, No. 37196. Void [Abridged as open to inspection under Sect. 91 of the Acts, June 29, 1935]. [Classes 132 (ii) and 146 (ii)] A playing piece for use in playing a board game consists of a part g, Figs. 4 and 5, carrying a constantly displayed indicium, such as the name of a town, and a part f carrying a symbol, such as a number, normally concealed by the first part, the two parts being relatively slidable or otherwise displaceable to display the symbol. A set of pieces, are used in conjunction with a board A, Fig. 1, carrying a map, the positions of the towns on which are indicated by numbered holes. B. In playing the game, a player applies a piece to the board at that position on the map which he thinks is the situation of the town named on the piece. He then slides the part g of the piece from the position shown in Fig. 4 to that shown in Fig. 5 to display the number on the part f. If he has applied the piece correctly, the displayed number will correspond with that on the map at the point selected.
Patent GB-1003408-A (GB)
Title: Improvements in or relating to fluid pressure means for controlling the movement of a body
IPC: F16C32/06
Filed: 1963-09-23
Abstract: 1,003,408. Bearings. MECANORGA S.A. Sept. 23, 1963 [Oct. 26, 1962], No. 37242/63. Heading F2A. [Also in Division G3] Apparatus for maintaining a constant distance between surfaces of a displaceable element, such as a rotatable or axially slidable shaft 1, and a reference body, such as a bearing 2, comprises a slidable element 14 with a nozzle 22 close to the shaft and a slidable element 27 under the control of the element 14 and regulating the pressure of fluid in bearing chambers 3, 4. Gas is supplied through an orifice 16 to a chamber where it acts on a surface 23 of the element 14 and thence to a bore leading to the nozzle 22 so that a lateral displacement of the shaft 1 changes the pressure acting on the surface 23 in a sense to cause movement of the element 14 in a direction to intensify the pressure change, this movement producing a stabilizing change of pressure on the opposite end of the element 14 by adjustment of an orifice 20 in series with a fixed orifice 19. The pressure between the orifices 16, 22, or that between the orifices 19, 20, is led to a surface 29 of the element 27 to cause differential adjustment of orifices 34, 37 to bring about a correcting adjustment of pressures in the chambers 3, 4 supplied with fluid by a pump 32. The arrangement of the orifices 16, 22 and 19, 20 may be altered so that the variable orifices are upstream of the fixed orifices. The element 14 may have a dashpot and stops to prevent contact of the nozzle with the shaft. Also a leak port controlled by an adjustable needle valve may be provided between the orifices 19, 20. Positioning of the shaft 1 in the vertical direction is accomplished by feeding fluid from the pump 32 through restrictions 48, 49 to chambers 44, 45, but in cases where forces may tend to displace the shaft in any radial direction a second element 14 effective in a direction at rightangles to the first, together with a second element 27 are provided. The fluid in the chambers 3, 4, 44, 45 discharges to outlets 9, 10, 11, 12. The elements 14, 27 may slide on ball bearings and may be actuated by membranes instead of pistons. The arrangement may be modified so that the pressure in only one of the chambers 3, 4 is controlled by the element 27, the other being fed through a fixed restriction. The element 14 may actuate directly a distributer controlling the pressures in the chambers 3, 4. The apparatus may be employed to maintain a fixed spacing between a slidable machine carriage and a displaceable control member in which case the nozzle 22 is carried by the control member and the element 27 controls servopistons actuating the carriage. Specifications 917,117 and 939,766 are referred to.
Patent GB-908794-A (GB)
Title: Apparatus for generating signals at random time intervals
Inventor: BAKER BERNARD STUART
IPC: D01H5/36
Filed: 1958-11-21
Abstract: 908,794. Pulse generating circuits. COURTAULDS Ltd. Nov. 20, 1959 [Nov. 21, 1958], No. 37489/58. Class 40 (6). A random pulse generator comprises a waveform generator 20 connected to a capacitor 26 by changeover contacts 23 which connect the capacitor 26 alternately to the generator 20 or to a discharging circuit 24 containing a relay which controls further changeover contacts 29. A capacitor 27 is similarly alternately connected to generator 20 or to a further discharging circuit 25 containing a relay which in turn controls changeover contact 23. With the contacts in the position shown, capacitor 26 discharges through relay 24 until the current falls sufficiently to release the relay 24. Contacts 29 now change over, energizing relay 25 from the charge on capacitor 27, so that contacts 23 recharge capacitor 26 from the triangular wave generator 20. The charge on the capacitor connected to the generator 20 will thus be continually varying. The time taken for the capacitor to discharge to the release voltage of the relay is dependent on the initial charge on the capacitor, hence, provided the period of the triangular wave is less than the minimum discharge time, the relays will change over at random intervals. The system shown contains further circuits which result in the frequency, amplitude and duration of output pulses on line 37 varying in random manner. A second triangular wave generator 21 is provided to control the duration of each pulse on line 37. Contacts 30, 32 are respectively operated by relays 24, 25 so that when a signal controlling the start of a pulse is provided by the changeover of relays 24, 25, contacts 30, 32 change over, energizing relay 28 from one of capacitors 31, 36 charged from triangular wave generator 21. Relay 28 remains energized for a time depending on the voltage to which the capacitor has been charged by generator 21. Before relay 28 is operated, lead 37 is fed from a D.C. potential O which determines the base level of the output pulses. When relay 28 is energized, contacts 34, 35 are in the opposite positions from that shown so that the pulse amplitude is dependent on the voltage to which capacitor 33 has been charged by the triangular wave generator 22. Modifications.-Fig. 2 (not shown) relates to a modification in which generator 22 is omitted and a further capacitor is charged from generator 21 and switched by further contacts of relay 28 to a buffer amplifier feeding a further capacitor connected to the left-hand side of contacts 35. A sine wave generator may replace generator 20. Alternatively, three generators of different frequency may be selected in turn by signals derived from the output of the system. The apparatus may be similarly used to derive a large number of random pulses from a small number.
Patent GB-1014865-A (GB)
Title: Separation of phosphonitrilic chloride mixtures
Inventor: HANDS CLIFFORD HENRY GEORGE
IPC: C01B21/098
Filed: 1962-10-04
Abstract: (PNCl2)3 is separated from mixtures with (PNCl2)4 in proportions of 70: 30 to 80: 20 resp., by dissolving the mixture in an organic solvent, cooling until (PNCl2)3 crystallizes out, and filterin at that temperature.  Alternatively, a solution containing the cyclic polymers in the required proportions is obtained by using the solvent as reaction medium (e.g. for PCl5 and NH4Cl) and removing linear polymers, e.g. with active charcoal. The trimer plus tetramer concentration is adjusted to be near the maximum for which tetramer is retained when the trimer crystallizes, e.g. 35-68% depending on solvent. Suitable solvents are petroleum ether, gasoline, kerosene, monochlorobenzene, carbon tetrachloride, sym-tetrachloroethane, dioxane, benzene, toluene, xylene and carbon disulphide, and may contain 20-50% higher cyclic PNCl2 polymers.  Dissolving temperatures of 60-70 DEG  C., and cooling rates of 1 DEG  C.-0.05 DEG  C. per min. are specified. The process may be operated continuously by feeding polymer mixture and solvent to a dissolving vessel, passing the solution to a cooler, e.g. pipe or film type, and then to a filter, e.g. single or multiple leaf. The mother liquor is then repeatedly concentrated, cooled and filtered until the product is mainly tetramer (at a trimer/tetramer ratio of 60: 40); part of the liquor is finally returned to the dissolving vessel.
Patent GB-834914-A (GB)
Title: Recovery of radioactive caesium
Inventor: WALKER HAROLD AUGUSTUS
IPC: G21F9/00
Filed: 1956-12-07
Abstract: 834,914. Recovery of radioactive calcium. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Dec. 6, 1957 [Dec. 7, 1956], No. 37552/56. Class 39(4). [Also in Group XXXVI] Radioactive calcium phosphatungstate is converted into a water soluble calcium compound by dissolving in aqueous ammonia and subjecting to electrolysis in a diaphragm cell, the solution forming the anolyte and water the catholyte, whereby radioactive calcium passes into the catholyte which remains substantially free from phosphorus and tungsten. Calcium phosphotungstate, obtained from uranium fission products as described in Specification 736,429, may be dissolved in aqueous sodium hydroxide, reprecipitated with mineral acid and then dissolved in ammonia. After electrolysis the solution may be freed from ammonia by heating or passage of an air stream, neutralised with sulphuric or hydrochloric acid, and evaporated to dryness.
Patent GB-1386449-A (GB)
Title: Variable speed handrails
IPC: B66B23/26
Filed: 1972-08-12
Abstract: 1386449 Handrails for variable-speed passenger conveyers DUNLOP Ltd 13 Aug 1973 [12 Aug 1972] 37730/72 Heading B8A A handrail for a variable-speed conveyer comprises a series of interconnected (at a b c d ...) frames 20 which are bent to U-shape and carry guide wheels 24 at A B C D...) running on guide rails 27, 27. By varying the distance apart of the rails 27, the distances apart of the points a b c d ... are varied and thus the speed of the handrail is varied. The frames 20 are covered by a network, which itself may be covered by a layer of material to afford a suitable surface for gripping. The network may consist of a series of jointed secondary members (21), (Fig. 3, not shown), and tertiary members (22). In Fig. 8, the wheels 24 are replaced by wheels 10 mounted on an extension of each frame. Further wheels 6a are provided, which run on additional guide rails 8, 8. (One rail 8, only, visible in Fig. 8). The height of a balustrade x is varied in relation to the speed of the handrail at any given location of the conveyer so as to give. a constant projection height of the handrail above the top of the balustrade anywhere along the conveyer. Thus in Fig. 5 which shows the shape of the handrail in a low speed section of the conveyer, the balustrade has a greater height than in Fig. 6. In the high speed sections (Fig. 6), the handrail may be driven by conventional means (not shown) assisted by the action of a linear conveyer. The links of the frame 20 may be of polypropylene, the hinges being formed integrally with the strips.