baber/WOPTO huggingface dataset:
Patent GB-850469-A (GB)
Title: Improvements in pumps
IPC: B64D37/16
Filed: 1957-05-24
Abstract: 850,469. Centrifugal pumps. NASH ENGINEERING CO. May 24, 1957 [Jan. 25, 1957], No. 16573/57. Class 110 (1). A pump comprises a main impeller; a liquidring compressor rotor; a casing defining a central inlet and a peripheral volute discharge for the impeller, a centrally-located rotor inlet and rotor discharge and a substantially elliptical working chamber for the rotor; a connection between a point in the vicinity of the impeller inlet and the central portion of the rotor to deliver air and vapour from the impeller to the rotor for compression and condensation of liquid; and an intermediate impeller having a central inlet connected to the rotor discharge and positioned to discharge peripherally into the volute discharge. In the aircraft fuel pump shown, liquid fuel entering at 16 is acted on by impeller blades 17 and discharged to a volute 18. Gas and vapour in the liquid are centrifugally separated from the liquid by the blades 17 and discharged to an annular collecting groove 20, whence they are drawn through a passage 22 to the inlet port 24a of one lobe of a double-lobe liquid-ring compressor. The compressed gas and vapour are delivered through a discharge post 24b to an annular space 25. Gas and vapour collecting at the highest point of the suction line leading to the inlet 16 and also collecting at local restriction in the suction line caused by a fitting such as a valve, heat exchanger or strainer are withdrawn from these two places through piping leading to the inlet port (not shown) of the second lobe of the liquidring compressor and delivered through a discharge port to the annular space 25. In the course of compression in the two lobes of the liquid-ring compressor, the vapour is condensed and the gas is re-absorbed in the liquid of the liquid ring, so that the fluid delivered to the space 25 is substantially all liquid. This liquid is then delivered by centrifugal blades 26 to the volute 18, where it joins the liquid delivered by the blades 17. The blades 17 and 26 and the blades 23 of the liquid-ring compressor are carried by a common impeller. The liquid ring is continuously replenished by liquid passing through a hole (not shown) from the volute 18 to an annular chamber 50 surrounding the liquid-ring compressor, from which it passes through holes such as 55 (not shown) to the two lobes of the compressor. To ensure the supply of liquid for this purpose, a reservoir may be connected to the volute 18 or the chamber 50. Specifications 648,546 and 720,526 are referred to.
Patent GB-402836-A (GB)
Title: Method of and apparatus for cooling tea leaf during manufacture of tea
IPC: A23F3/06
Filed: 1932-06-11
Abstract: 402,836. Tea manufacture. CURRIE, E. B., 48, Galle Face Court, Colombo, Ceylon. June 11, 1932, No. 16577. [Class 129.] Tea leaf is cooled during manufacture by air that is compressed, cooled and expanded in an air engine, and then treated for removal of oil and moisture before delivery to the rolling machines, fermenting tables or other part of the tea manufacturing plant. The treated air leaving the filtering and oil separating vessel 14 is delivered through flexible pipes 16 and branch pipes 116 directly into contact with the tea leaf in oscillating rolling-machines 1. Where the air is delivered to fermenting tables, it may be widely distributed very slowly in an upward direction, so that it descends by gravity over the tea.
Patent GB-679695-A (GB)
Title: Improvements in or relating to tubulous vapour generating and superheating units
IPC: F22B21/34
Filed: 1950-07-04
Abstract: 679,695. Steam-generator furnaces. BABCOCK & WILCOX, Ltd. July 4,1950 [July 9, 1949], No. 16610/50. Class 51 (i). [Also in Group XIII] A steam &c. boiler comprises a vertical combustion chamber 10 which is lined with steamgenerating tubes 12, 13, 14, extending between lower water headers 30, 31, 32 and an upper steam-and-water drum 20, and is fired by two separate upper and lower sets of burners 60, 601, and an upright convection pass 40 which communicates at its lower end with said combustion chamber, is separated from the latter by a partition 48 defined by some of the rear wall tubes 14, and locates an economizer 42 and superheater 44. The burners are disposed intermediate the roof 66 of the chamber 10 and the inlet to the pass 40 so as to direct the products of combustion towards the partition 48, and regulation of the superheat temperature is effected by varying the relative ratio of firing the upper and lower burners respectively.
Patent GB-1522092-A (GB)
Title: Electrophotography
IPC: G03G15/02
Filed: 1976-04-23
Abstract: 1522092 Electrostatic charging A B DICK CO and SCOTT GRAPHICS Inc 23 April 1976 [23 April 1975] 16676/76 Heading B6C An apparatus for charging a predetermined portion of an electrophotographic microfiche element 10 comprises: a corona source 13 and a mask 27 arranged to frame the predetermined portion, the mask 27 having an electrically conductive surface 25 arranged to be spaced from the surface of the element 10, and as viewed from the corona source 13, defining the frame opening 14 of the mask, and a capacitance 21 interconnecting the surface 25 with ground. After charging, the capacitance 21 is discharged by a back-biased diode 22 or by short circuiting with a switch (not shown).
Patent GB-869900-A (GB)
Title: Improvements in or relating to conveyor systems
Inventor: BURROWS ARTHUR THOMAS CHARLES
IPC: B65G47/31
Filed: 1958-05-23
Abstract: 869,900. Endless chain conveyers. KING Ltd., GEO. W. May 12, 1959 [May 23, 1958], No. 16698/58. Class 78 (1). At one or more stations along a conveyer 10 comprising two endless chains 11, 12, Fig. 4, running on rollers 14 in tracks 16, 17, and supporting and conveying the pallets 15 solely through the frictional engagement between the pallets and the chains, there is provided an auxiliary conveyer which is driven at a faster speed than the conveyer 10 and which is movable as a unit vertically into and out of an operative position wherein it supports and accelerates the pallets clear of the conveyer 10. When a pallet is to be held stationary for a limited time at a selected station along the conveyer 10, an auxiliary conveyer, comprising endless chains 20, 21 driven at a faster rate than the conveyer 10 and mounted on a vertically movable carriage 23, is raised to support the pallet above the conveyer 10 and to accelerate the pallet ahead of the following pallet and into close proximity with the pallet ahead and is then lowered so that the pallet will be supported on fixed supports 28. The pallet is returned to its relative position with respect to the pallets ahead and behind by raising carriage 23 to accelerate the pallet again and then lowering it to return the pallet to the chains of the main conveyer 10. A return conveyer 29, Fig. 1, comprises endless chains 30, 31, Fig. 3, driven at a faster rate than conveyer 10 and inclined downwardly at its delivery end to discharge pallets on to a storage conveyer 37 comprising roller chains 38, 39 provided with pallet supporting rollers 46. Pallets are fed from the conveyer 37 to a roller conveyer 45 aligned with the conveyer 10 by means of a ram 42. The return conveyer 29 may alternatively comprise a single endless roller-topped chain offset from the centre line of the path of the pallets and running parallel to a row of rollers on a stationary support.
Patent GB-295705-A (GB)
Title: Improvements in and relating to the production of liquid hydrocarbons from ethylene and gases containing ethylene
IPC: C07C2/00
Filed: 1928-06-08
Abstract: 295,705. Epner, C. Aug. 18, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Hydrocarbons.-The polymerization of ethylene to obtain liquid hydrocarbons is effected by means of dark or silent electric discharges at ordinary or raised temperature, with or without the use of catalysts. The product contains both saturated and unsaturated hydrocarbons from which fractions suitable for motor fuel and lubricating oil can be obtained. The residual gas contains hydrogen and may be used to saturate the unsaturated hydrocarbons in presence, of catalysts as part. of a continuous process.
Patent GB-1167380-A (GB)
Title: Improvements in or relating to Railway Vehicles
IPC: B61D45/00
Filed: 1967-04-12
Abstract: 1,167,380. Railway wagons. OFFICINE MECCANICHE FERROVIARIE PISTOIESI S.p.A. 12 April, 1967 [15 April, 1966], No. 16772/67. Heading B7L. A railway freight car for supporting loads at two levels includes at an intermediate level on the sides 1, panels 19 horizontally hinged at 18 on brackets 16, the panels being tiltable from vertical positions adjacent the sides 1 inwardly and downwardly to horizontal positions. The invention is characterized in that the free ends of the panels 19 have pins 31 slidably engaging slots 29A in rods 29 pivoted to brackets 27 adjacent the car roof 2. The panels 19 are retained in the upright positions by pawls 33 on the rods engaging the pins 31. In the horizontal positions the panels are connected by a strip 38 hinged to one panel and having pins 38A engaging recesses in the other panel. Each panel 19 is in two parts 21, 22 hinged at 23 the part 21 being fixed to arms 20 pivoted to the brackets 16. Loads are retained at the ends of the panels by horizontally hinged transverse grids 41, 43 as described with reference to Figs. 6 to 8 (not shown).
Patent GB-150141-A (GB)
Title: A new or improved case or container for articles such as sparking plugs
IPC: B65D25/10
Filed: 1919-07-05
Abstract: 150,141. Apollo Plug Manufacturing Co., and Cooper, F. A. July 5, 1919. Partitioned and cellular boxes; lids; tampering with, preventing and detecting.-In a receptacle for sparking-plugs &c., the lower ends 6, Fig. 2, of the articles fit in holes in a base member 1 having a backing 4, and upward movement of the articles is prevented by a cover 8, which has side flanges 9 and is secured to the member 1 by pivoted bolts 10 engaging slots in the ends of the cover. Additional flange portions 12 are arranged outside the bolts 10. Seals may be provided at each end of the cover, circular seal recesses being formed partly in the cover and partly in the base member. In a modification, a member 19, Fig. 5, is secured in a metal box 17 by indenting the walls of the box, a hinged lid 18 being arranged to bear on the upper ends of the sparking-plugs &c.
Patent GB-992296-A (GB)
Title: Production of allyl esters
Inventor: GOLDBERG GEOFFREY
IPC: C07C69/83
Filed: 1963-04-30
Abstract: Allyl esters of polycarboxylic acids are prepared by reacting equimolar proportions of the acid or its anhydride and allyl alcohol and subsequently reacting the mono-ester with allyl chloride in presence of a tertiary amine. The acids are those capable of forming an internal anhydride, e.g. succinic, glutaric, citraconic, aconitic, itaconic, phthalic, trimellitic and hemimellitic acids.
Patent GB-558407-A (GB)
Title: An improved sheathing for cores used in forming the voids in concrete and the like
IPC: B28B7/30
Filed: 1942-11-28
Abstract: 558,407. Cores for moulding hollow concrete articles. COLE, A. Nov. 28, 1942, No. 16943. [Class 87 (ii)] The core is covered with a sheathing 6 into the edges of which are sewn a bar or bars 7 which lie in diagonal grooves in the face of the core. When the core has been removed by knocking out its tapered sections 1-4, the sheathing is peeled from the surfaces of the cavity by rotating the bars, the sheathing being wound on the bars. The sheath may be made of thin metal, canvas or paper, and may be greased.
Patent GB-1537519-A (GB)
Title: High pressure sodium vapour lamp of unsaturated vapour pressure type
IPC: H01J61/22
Filed: 1976-04-27
Abstract: 1537519 Metal-vapour lamps JAPAN STORAGE BATTERY CO Ltd 26 April 1976 16950/76 Heading H1D A high-pressure sodium-vapour lamp contains sodium, mercury and starting gas, the concentrations of the sodium and mercury being in the ranges 0À007 to 0À054 and 0À054 to 0À6 mg./cc. respectively, whereby both elements are completely vapourized in operation. The preferred ranges are 0À007 to 0À018 and 0À1 to 0À6 mg./cc. respectively. The cylindrical lamp tube may be made of alumina but may be provided with niobium exhaust tubes at either end. The sodium may be introduced in the form of a solution in methyl alcohol of sodium azide NaN 3  and the mercury in the form of a Ti-Hg or Al-Zr-Ti-Hg alloy. Calculated quantities of solution and alloy are mixed in a container which is placed in one of the exhaust tubes. The tube is sealed, heated to 400‹ C. to generate free sodium and nitrogen, then to 700‹ C. to release mercury. The sodium and mercury condense in the lamp tube and nitrogen is pumped off through the remaining exhaust tube. A starting gas, e.g. xenon at 20 torr is introduced and both exhaust tubes pinched off. In order to prevent condensation of the filling elements in the extremities of the tube, these are surrounded by sleeves of insulating material, e.g. quartz wool, alumina wool, ceramic wool, held in place by thin metal bands of, e.g. Ni, Mo, Ta or stainless steel. The Specification contains data about specific fillings, dimensions and operating voltages.
Patent GB-1508731-A (GB)
Title: System and method for varying programme window sizes in a data processing system having virtual memory
IPC: G06F12/12
Filed: 1976-04-27
Abstract: 1508731 Virtual memory systems BURROUGHS CORP 27 April 1976 [27 May 1975] 16962/76 Heading G4A Designations of data segments in the main memory of a virtual memory system are stored in most recently used order in a program table 47 together with the average time duration between the transfers of data segments from secondary storage to the main memory or the average frequency of such transfers. With each segment designation in program table 47 is stored what would be the average time duration between the transfers of data segments from secondary storage to the main memory if that location were the last location in the program table 47; these average time durations are then used to adjust the amount of main memory available to the respective program in a multiprogrammed system. A separate program table 47 and registers 75, 76 may be provided for each program, or a single-program table 47 and registers 75, 76 may be provided, the appropriate contents being retrieved from memory for the program in operation. For each program, register 75 connected to a counter 48 accumulates the total processing time and counter 76 accumulates the number of times processing has been stopped to transfer a data segment from secondary storage to the main memory. Periodically the contents of registers 75 and 76 are supplied to an arithmetic unit 46 and the ratio of the processing time to the transfer time is calculated; if this differs from 1 the average time durations stored in program table 47 are inspected to see if, by altering the amount of main memory available to the program; the ratio calculated at 46 could be made nearer to 1 or, if this is not possible, if a smaller amount of main memory could be used without altering this ratio. If the amount of main memory available is increased load shedding for another program may be necessary. Each location in program table 47 also includes a register which is connected to counter 48 when a segment designation is shifted to the next location to make room for a more recently used segment designation and is used in adjusting the respective average time duration between data segment transfers. The system may include two processors (10A, 10B, Fig. 1, not shown) each as above sharing main memory and secondary storage.
Patent GB-543727-A (GB)
Title: Improvements in screw fastenings
IPC: B25B31/00
Filed: 1941-06-16
Abstract: 543,727. Clamps; nuts and bolts. WHITEHEAD, W. J., and WHITEHEAD, C. S. June 16, 1941, No. 17202/40. [Classes 44 and 89 (i)] Nuts and bolts, particularly those adapted for plate clamping in riveting &c. have interrupted threads to permit quick assembly and fixing by a part turn. The bolt has a series of grooves 9 cut through the full depth of the thread and the thread of the nut 8 is cut away leaving segments corresponding in width and spacing to that of the grooves 9. The spacing is irregular so that almost a full turn can be given before all the grooves and segments register again, and by reversing the nut continuous screw action is obtainable since there is not then any position in which simultaneous registration is obtained. In a modification two grooves of unequal widths are employed. The terminals of radio sets &c. may'be so constructed.
Patent GB-1533570-A (GB)
Title: Fluid-cooled multi-layer coils
IPC: H05B6/02
Filed: 1976-03-29
Abstract: 1533570 Induction heating ELECTRICITY COUNCIL 29 March 1976 [25 April 1975] 17321/75 Heading H5H A liquid cooled induction heater comprises a plurality of axially spaced coaxial spiral windings 10 and means for passing liquid coolant over the axial facing surfaces of the windings each winding 10 comprises a copper-strip 11 provided with enamel or tape insulation tightly wound about a tubular former 12. Radially outwardly directed spacers 14 secured to dovetail section bars 15 adjacent the former 12 and radially inwardly directed spacers 17, mounted on dovetail section bars 18 which are held securely within an outer fluid tight casing 19 space adjacent spiral windings 10 and provide meander fluid flow paths between coolant inlet galleries 22, 23 and coolant outlet galleries 26, 27. The galleries 22, 23, 26, 27 extend axially and are defined between angularly spaced segmental clamp plates 29 bearing via compressible sealing strips 31 on the outer turns of the windings 10. Wedges 30 between casing 19 and clamp plates 29 provide radial clamping pressure. A nickel chrome tube 32 spaced inwardly of the former 12 by thermal insulation 33 is provided with a SiC liner 34 for supporting workpieces.
Patent GB-372132-A (GB)
Title: Method for the production of double warp pile fabrics woven with double shuttles
IPC: D03D39/16
Filed: 1931-06-15
Abstract: 372,132. Weaving warp pile fabrics. ROGERS, F. H., 181, Queen Victoria Street, London.-(Peltzer Geb., Akt. - Ges. ; 31, Gahlingspfad, Krefeld, Germany.) June 15, 1931, No. 17353. [Classes 142 (ii), 142 (iii), and 142 (iv).] Fabrics of the type wherein pile warp threads from a face fabric and a back fabric are formed into pile by interweaving them around holding weft threads situated between the fabrics, are woven in a double shuttle loom. After the upper and lower shuttles have inserted wefts in the upper and lower fabrics A, B, Fig. 1, for, say, three picks, alternately either the upper or lower shuttle inserts a weft between the fabrics under and over pile warps from these fabrics, whilst the lower or upper shuttle is inserting a weft in the lower or upper fabric, or both shuttles insert picks of weft c, Fig. 4, between these-pile warps. The wefts c are subsequently removed. To facilitate their removal when weaving ribbons, these wefts c are picked around auxiliary warp threads e, f, and their loops are cut out at one edge by a knife g, whilst their loops at the other edge are drawn out by pulling on the auxiliary thread. When weaving wide fabrics, the threads c are interwoven with edge groups of warp threads k, l, Fig. 8, separated from the remaining warp threads a. The loops of the threads c are entirely cut out at one side by a knife, and engaged at the other side by a thread catcher n having a knife o for cutting through the loops. The wefts c are then removed by pulling out the edges l whilst the fabric is unstretched and moistened. For this purpose, the finished double fabric is drawn from one spiked roller u, Fig. 11, over guide rollers v, w, x to the winding-up rollers y, z, the separation of the double fabric and pulling out of the holding wefts taking place between the rollers w, x after the fabrics have been moistened by pieces of cloth I, II.
Patent GB-195343-A (GB)
Title: Improvements in vitamin bearing products and method of preparing the same
IPC: A23D7/02
Filed: 1922-06-23
Abstract: 195,343. Travis, P. M., and Glabau, C. A. March 25, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Food preparations.-A food is made by mixing milk, fat or oil and yeast, and homogenizing. The product may be dried and mixed with other goods. The milk may be whole or skimmed, or may be made by mixing dried milk powder and water. Sugar or malt-extract may be added. The fat and yeast may be first homogenized and the other material added after.
Patent GB-1078549-A (GB)
Title: Overload (e.g. overcurrent or overvoltage) protection
IPC: H02H3/10
Filed: 1966-04-20
Abstract: 1,078,549. Protective arrangements. TELEFONAKTIEBOLAGET L. M. ERICSSON. April 20, 1966 [April 20, 1965], No. 17378/66. Heading H2K. In a supply circuit including a power regulator or similar device S and a low-pass filter L, C, a relay Re responsive to over-current and overvoltage has its contacts 12 connected in series with a resistor R2 between one of the output conductors and the control electrode of a thyratron or thyristor D1 which is connected in series with a resistor R1 across the input conductors. When an excess current occurs the relay winding 11 is sufficiently energized to close the contacts 12 to render the thyristor D1 conducting. The current which now flows through the thyristor D1 and resistor R1 is sufficient to trip a circuit-breaker or to blow a fuse F1. Should the output voltage be excessive, a Zener diode D2 breaks down so that a winding 10 of the relay Re is energized to close the contacts 12.
Patent GB-421472-A (GB)
Title: Improvements in cake stands
IPC: A47F5/00
Filed: 1933-06-19
Abstract: 421,472. Cake - stands. WIGGIN, W. C. B., Lynton, Stafford Road, Bloxwich, Staffordshire. June 19, 1933, No. 17392. [Class 52 (v)] In a folding cake-stand of the type in which the uprights A, B, C have inwardly extending arms a<2>, b<2>, c<2> pivotally connected at their inner ends to support plates within the confines of the uprights, the pivotal connections are such as to allow the uprights with the arms to fold together into closely adjacent parallel planes. The arms b' are welded to the under surface of a small metal disc D' and the arms a<2>, c<2> are cranked at their inner ends and pivoted to the disc D<1> by rivets d, e. The handle portions a', b<1>, c' and the other arms are similarly connected together but for one set of arms a<3>, b<3>, c<3> the disc D<3>, Fig. 8, is larger and has a downward flange f with notches g into which the arms a<3>, c<3> may snap to locate them in their opened out positions. A spring plate h bears up against the arms a<3>, c' to retain them in the notches. A portion f of the flange f is extended to form a stop limiting the opening of the arms a<3>, c'.
Patent GB-568864-A (GB)
Title: Improvements in or relating to electric generators
IPC: H02K21/22
Filed: 1943-10-22
Abstract: 568,864. Magnetos. MILLER & CO., Ltd., H., and SMITH, W,. R. Oct. 22, 1943, No. 17403. [Class 35] A generator has an annular permanent magnet member consisting of separate magnets extending radially inwards from an annular magnetic yoke and retained in equally-spaced relationship by non-magnetic material which may be a metal or a synthetic resin. In the form shown, the imbricated polepiece armature a of a cycle dynamo is surrounded by the rotor consisting of magnets c embedded in non- magnetic material d, the outer ends of the magnets contacting the magnetic yoke e. The rotor may be carried by the cycle wheel and the armature be mounted on the hub.