baber/WOPTO huggingface dataset:
Patent GB-925089-A (GB)
Title: Improvements in and relating to the thermal reaction of materials
IPC: C01C3/02
Filed: 1959-09-11
Abstract: <PICT:0925089/III/1> Endothermic reactions are effected by contacting the reactants with the wall-stabilized effluent from an electric arc. An arc gas, e.g. H2 or A, is introduced into the tapering bore 12 of cylindrical copper body 10 and passes through the plasma of the arc struck between stick cathode 16 and anode 18.  The cathode may be tungsten-thorium alloy, and the anode may include preferential loose radial inserts 20, 21 of corrosion-resistant material, e.g. tungsten or tantalum, which operate as hot spots and reduce pitting of the anode surface.  Body and anode may be water-cooled. The arc effluent passes down through stabilizing constricting passage 14 into reaction chamber 24 having communicating annular passage 26 for reactant introduction.  The reaction chamber may be lined with carbon, tungsten, or zirconia, and may have annular cooling jacket 44.  The reactant mixture passes from 24 to quenching chamber 32 for quenching medium, e.g. water, to be injected from communicating annular passage 34.  In an alternative apparatus (Fig. 2 not shown), a shielding gas, e.g. A, He, or N2 is injected from a communicating annular passage into the effluent in the arc-constricting passage, primary and secondary anodes are provided separated by an insulating disc, and the effluent is passed through a liquid which acts simultaneously as reactant and quenching medium.  In a further alternative (Fig. 3 not shown), the reactant is injected into the arc effluent as in Fig. 1 and the resulting mixture is passed into a quench liquid.  It is also stated that a set of inlets for quenching gas may be provided between those for reactant and quenching fluids.  The reactants may be preheated.  The arc effluent may be used to treat hydrocarbons, e.g. methane, or kerosene, to produce acetylene or ethylene.  After addition of O2, the arc effluent may be used to treat H2O to form H2O2.  Treatment of kerosene after addition of nitrogen results in HCN.  Specification 845,411 is referred to.
Patent GB-518806-A (GB)
Title: Improvements in hydraulic follow-up apparatus
IPC: F15B9/14
Filed: 1938-10-27
Abstract: 518,806. Hydraulic motors. VICKERS, Inc. Oct. 27, 1938, No. 31030, Convention date, Nov. 4, 1937. [Class 69 (ii)] An hydraulic motor has its exhaust metered by a hand operated pump so that the speed of the motor is directly proportional to that of the pump. The variable delivery pump 1 supplies a reversible hydraulic motor 3 and in the circuit are hand operated pumps 5, 6 and a shuttle valve 17. When shaft 7 of the hand pumps is rotated counter - clockwise, pump 6 exhausts line 15 and forces liquid into line 16, whilst pump 5 exhausts line 11 and forces liquid into lines 12, 13, 14. Owing to pressure in line 14, the shuttle valve is shifted from its mid position downwards against the lower spring 19. The pressure line 20 from the pump passes to the shuttle housing, and due to valve shift the liquid passes by line 13 and 22 to the motor 3. Pressure in line 16 from pump 6 moves the valve 23 and opens the line 16 to the line 26 which goes back to the tank supplying the pump 1. The exhaust from motor 3 through lines 27 passes through line 15 to the pump 6 and is thus metered thereby. The valve 29 prevents the pump from being motored since excess pressure in line 28 then opens valve 29 and moves valve 23 to cut off line 16 from the tank line 26. The valve and line connections are such that pump 5 is idly circulating liquid without a controlling effect. With the hand pumps stationary the shuttle valve is centralised and motor 3 inoperative. When shaft 7 of hand pumps is turned clockwise the functions of the pumps 5, 6 are reversed pump 5 and valve 23a being operative and pump 6 being an idler.
Patent GB-505574-A (GB)
Title: Improvements in or relating to telecinematographic apparatus
IPC: H04N3/38
Filed: 1937-11-12
Abstract: 505,574. Television. FERNSEH AKT.- GES. Nov. 12, 1937, No. 31137. Convention date, Nov. 12, 1936. [Class 40 (iii)] A film traverses a gate 35, Fig. 1, with uniform velocity and a device 41, e.g. a double prism, produces a plurality of displaced images on a photo-electric screen 42 in a scanning device, the undesired portions of the images being masked by a shutter 39. Thus the two images 43, 44, Fig. 2, overlap and the portions 47 of each image are masked when the scanning beam 45 is operative on the overlapping portions. The soanning may be interlaced in n sets, n images being produced, each displaced 1/n of the image height from each other; alternatively successive film frames may be scanned a different number of times. In a modification, prisms 23, Fig. 3, produce the plurality of images and a shutter 7 masks each in turn, the prisms being positioned so that the light does not impinge on the electrode system 24. Specification 494,365 is referred to.
Patent GB-215800-A (GB)
Title: Improvements in and relating to wire nails
IPC: F16B15/06
Filed: 1922-11-14
Abstract: 215,800. Lloyd, H. D. L. Nov. 14, 1922. Nails; drive-screws.-A wire nail or drive-screw of the type having a concave head for use in forming a water-tight joint when fixing corrugated iron to timber structures &c., is made in two stages from a coil of wire. The end of the wire is first given a preliminary thickening, as at k, Fig. 2, and is then spread out to form a concave head about 3¥ times the diameter of the wire. In a modification, when it is required to produce a large headed nail on a small diameter wire, the work is done is three operations, and a material such as ingot iron sold under the registered Trade-Mark "Armco" is employed. A thread may be subsequently rolled on the nail as shown in Fig. 4. In the first operation, the heading disc shown in Fig. 7 is employed, and the blank is transferred to the split holding-disc. b, Fig. 9, which co-operates with the disc shown in Fig. 8 to finish the nail.
Patent GB-520702-A (GB)
Title: Improvements in opthalmic mountings
IPC: G02C1/02
Filed: 1938-10-27
Abstract: 520,702. Spectacles. TENNANT, W. J. (American Optical Co.). Oct. 27, 1938, No. 31152. [Class 97 (i)] Rimless spectacle mounts comprise lens-holding means attached to the lenses at their nasal margins, a bridge, bendable temple supports secured only to the lens-holding means and following the upper contour of the lenses, members extending downwardly from the ends of the bridge and overlying the nasal margins of the lenses, which members constitute side portions of the bridge or extensions of the temple supports and are connected to the lens-holding means, and rearwardly-extending nose-pad supporting arms adjacent the ends of these members and attached either to them or to the lens-holding means. A number of different forms of mount are described. As shown in Figs. 1, 3, the bridge 2 is formed with downward extensions 15 secured to the lens straps 3 and to rearwardly extending nose-pad arms 9 which are also secured to the straps, and which carry the temple supports 8: disposed at the rear of the lens. Each strap is secured to its lens by a sleeve 18, Fig, 5, and a pin 19, and leaf-springs 20 may be interposed between the straps and the lens. The temple supports 8 may be made from thin strip material and fit into grooves inthe rear edges of the lenses. Alternatively, they may be of the form shown at 26 in Fig. 12, the upper edge of the lens being bevelled. Further, the central parts of the supports may be of flexible material, In another arrangement, the temple supports 45, Figs. 18, 19, and the bridge are secured to the straps 3, and the bridge is formed with extensions 47 carrying the pad-arms 48. Fig. 21 shows a modification in which the bridge-extension 47 is secured to an extension 51 of the temple support to which the pad-arm 9 is attached.
Patent GB-754316-A (GB)
Title: Improvements in or relating to ice freezing trays
IPC: F25C1/24
Filed: 1954-10-28
Abstract: 754,316. ice-trays. GENERAL ELECTRIC CO., Oct. 28, 1954 [Oct. 28, 1953], No. 31189/54. Class 29. A grid for an ice-tray comprises undulating, e.g. zig-zag, partitions 9 ... 12 pivoted at 20, 21 at one end to an L-shaped member 19 hooking over the end flange 7 of the tray and pivoted at 28, 29 at the other end to a lever 27 having a lip 32 engaging over the end flange 8 of the tray. When the lever is pivoted, it first raises the grid to break the bond between the ice and the tray and then extends the partitions to free the ice blocks from them. The outer partitions 9, 12 have diagonal reinforcing ribs 42, 43. The lever may be removable from the grid.
Patent GB-1183083-A (GB)
Title: Simplified Automatic Charging System for Blast Furnaces
IPC: B65G65/40
Filed: 1967-07-06
Abstract: 1,183,083. Automatic weight control systems. AUSTRALIAN IRON & STEEL PTY. Ltd. July 6, 1967 [July 6, 1966], No. 31242/67. Heading G3R. A blast furnace is supplied with desired weights of material from its various stock bins by a control arrangement for each bin functioning to feed material from the bin at a substantially constant rate for a predetermined time corresponding to a set weight, which is derived by accumulating the errors of actual weight compared with a programmed set weight for each feeding operation and correcting the programmed weight in accordance with the accumulated error when it exceeds a preset value. Two embodiments are described, both using bins feeding directly to a common conveyer belt which transfers the material to a bin in which it is weighed and then fed therefrom to the skip supplying the furnace. In the embodiment of Fig. 2, the set point weight from a logic controller 9 is passed to a weight-time converter 16 which operates the vibro feeder 4 of the selected bin 1 for a predetermined time at a feedrate determined by the amplitude setting of the vibration controller 14, 15. When feeding and transfer to the weight hopper 6 is completed, a signal from transducers 7 representative of the measured weight is passed to comparators 10, 22. Comparator 10 compares set point weight with measured weight and, if the error exceeds a predetermined dead band set by a logic element 11, causes a servosystem 12, 13 to adjust the amplitude setting of the controller 14, 15 and hence the feedrate for the next operation of bin 1. Comparator 22 compares the measured weight with a programme set weight (which initially is the same as the set point weight) and stores the error in a bi-directional counter 19. When the accumulated error therein exceeds a preset value, the error signal is released and passed through D/A converter 20 to the logic controller 9, where it is used to correct the programme set weight and so produce the set point weight. In the embodiment of Fig. 5 the measured weight signal from transducers 7 is continuously applied to an amplifier 26, which starts and stops the vibro-feeder 4 and which is also fed with the set point weight and with a signal from a corrector 25 dependent on the rate of change of weight and the distance of the selected bin 1 from the hopper 6 (i.e. the amount of material in transit on the belt 5). The feeding time is thus determined by the sum of these signals, the belt 5 being controlled to run at constant speed by a conventional speed regulated drive. The set point weight is periodically corrected by an accumulated error circuit 17-20, 22 generally similar to that previously described. Application of the invention to blending materials simultaneously fed to the belt is envisaged, the blending ratio being determined by the time of feeder operation.
Patent GB-787252-A (GB)
Title: Method of and apparatus for reducing the water content of liquid fuels
IPC: C10G33/06
Filed: 1954-10-29
Abstract: 787,252. Tanks. ESSO RESEARCH & ENGINEERING CO. Oct. 29, 1954 [Dec. 22, 1953], No. 31371/54. Class 69 (1). A tank, particularly adapted for use as an aircraft or other fuel tank, for keeping the water-content of the fuel low, comprises valves 21 and 22 which open the tank 10 to the atmosphere under control of devices 25 and 26 respectively, device 25 sensing the excess of absolute humidity inside the tank at H2 over that outside at H1 and opening valve 21 when this excess is greater than a predetermined amount, and device 26 similarly sensing the pressures inside and outside the tank at P2 and P1, opening valve 22 when that inside exceeds that outside by more than a predetermined amount, and opening valve 34 to admit dry gas to the tank when the pressure at P2 is less than at P1. In an alternative arrangement the humidity-controlled valve is replaced by one sensitive to the temperature difference. The tank may also be provided with a condenser 62 (see Fig. 3), the vapours in the tank being circulated by fan 70 and cooled therein to 32-40‹ F. to remove moisture, the condensed liquid passing to a separating chamber 78 with a water-discharge valve controlled by an interfacial float B floating on the surface between the water and the lighter hydrocarbon, the valve opening line 86 when float B reaches an upper level C and closing it when it falls to a lower level D; hydrocarbons from chamber 78 are syphoned back to the tank by tube 88.
Patent GB-1401402-A (GB)
Title: Coil former
IPC: H01F21/02
Filed: 1973-07-02
Abstract: 1401402 Reels MOTOROLA Inc 2 July 1973 [3 July 1972] 31495/73 Heading B8M [Also in Divisions H1 and H2] A coil former 10 of insulating plastics material is mounted in an opening in a printed circuit board 16, one end 11 passing therethrough and a collar 15 forming an abutment. A sleeve 20 of solderable material, e.g. nickel silver, is fitted over the periphery of the former at end 11 by moulding or friction, and is secured to the P.C.B. 16 by wave soldering to the circuitry conductors thereon. One or more slits 22 may be provided in sleeve 20. A longitudinal extending key or ridge 40 may extend on the periphery of the former in slit 22. The opposite end portion receives coaxially an engaging semi-circular engagement portion of resilient antenna contact 25, in a longitudinal slit therein. Antenna contact 25 has a resilient, irregularly shaped elongate portion (Fig. 2) bent over and extending through an opening in the housing 30 to frictionally contact and engage an external antenna. A core 35 of magnetic material threadedly engages by deformation inwardly directed longitudinally extending ridges 36 within the central opening of the former. The antenna contact may be replaced by threading a second core into end 13 to provide double tuned coils.
Patent GB-685015-A (GB)
Title: Improvements relating to holders for x-ray films
Inventor: FURBY DENNIS CHARLES
IPC: G03B42/04
Filed: 1950-12-28
Abstract: 685,015. X-ray film holders. NEWTON VICTOR, Ltd. Nov. 2, 1951 [Dec. 28, 1950], No. 31512/50. Class 98 (i). [Also in Group XXV] A holder of the kind in which the film is held in a rectangular frame between front and back plates, using felt or sponge rubber as a compression medium with or without intensifying screens, the front plate being fixed to the frame and the back plate being movable and arranged when in position to be spring pressed against the front plate so as to hold the film against it, is made by a method including the construction of the hinge or each hinge for the back plate by forming a longitudinal groove along the front surface of one of the sides of the frame, together with a slot extending through the frame side from the groove to the inner surface of the frame side, that is the surface which faces the centre of the frame, in such a manner that each end of the groove extends longitudinally beyond the slot, subsequently inserting the main arm of a T-shaped hinge member through the slot from the interior of the groove so that the cross-arms of the T project into those portions of the groove which extend beyond the slot, and thereafter securing the front plate to the frame in such a manner as to close the groove and retain the hinge member in the groove, the groove and slot being dimensioned to permit some degree of movement of the hinge member at right-angles to the plane of the front plate. As shown in Fig. 2, a side member 2 of a frame has a longitudinal groove 9 and a slot 8 formed therein. A T-shaped hinge member 6 is inserted so that its main arm passes through slot 8 and its cross-arm 10 (which is longer than the slot) lies in groove 9. The hinge member is retained by the front plate 7 when it is fastened to the frame. Groove 9 is deep enough to allow movement of the hinge member perpendicular to plate 7 ; if desired a packing piece 11 can be inserted in the groove to prevent this movement from being excessive. As many hinges as necessary are provided, and are fastened to the back plate 3, which, when closed, is pressed towards plate 7 by springs 4 (Fig. 1), the form of the hinges allowing the pressure to be applied evenly.
Patent GB-417284-A (GB)
Title: Improvements in or relating to radio receivers
IPC: H03G3/26
Filed: 1933-11-13
Abstract: 417,284. Valve circuits for wireless reception. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, London.-(Assignees of Chittick, K. A. ; Haddon Heights Apartments, Haddon Heights, and Carlson, W. La V. ; 726 Clinton Avenue, Haddonfield, both in New Jersey, U.S.A.) Nov. 13, 1933, No. 31631. Convention date, Nov. 14, 1932. [Class 40 (v).] In a receiver having automatic volume control, the selectivity of the channel through which carrier frequency energy reaches the demodulating detector is greater than that feeding the gain controlling rectifier. As shown the first detector 1D, Fig. 1, of a superheterodyne receiver feeds two independent I.F. amplifiers 2, 6, the former of which feeds a second detector 2D through a selective coupling M4 while the latter feeds a diode rectifier 7 through a more broadly tuned coupling M6 for gain regulation. The rectified D.C. voltage from the diode 7 appears across resistances R2, R3, R4 arranged in series with a resistance R1 in the grid circuit of a radiofrequency amplifier 1, while the voltage across resistances R3, R4 is applied through lead 13 to the grid of the first detector 1D and that across resistance R4 through lead 14 to the valve 2. The pre-detector manual volume control comprises a variable resistance R18 in the cathode circuit of valve 1, which controls the grid bias of the latter and is so coupled to a post-detector control R, that the volume is reduced first by the resistance R18 and subsequently by the resistance R. In a modification, Fig. 2 (not shown), the functions of valves 6 and 7 are combined in a single valve. Specifications 404,583 and 408,531 are referred to.
Patent GB-428470-A (GB)
Title: Improvements in or relating to road signals for controlling traffic
IPC: G08G1/096
Filed: 1933-11-14
Abstract: 428,470. Road signals for controlling traffic. BURDEKIN, D., 14, Windsor Road, St. Anne's - on - Sea. Nov. 14, 1933, No. 31650. [Class 118 (ii)] Auxiliary lamps which are lit in turn to indicate the time available before a signal change are mounted in a U-shaped casing E, around the normal signal lamps B, C, D. The casing is of channel crosssection and is divided into compartments by members H. The lighting of the lamps is controlled by a rotating drum.
Patent GB-837961-A (GB)
Title: Centrifugal pump
IPC: F02M37/06
Filed: 1957-10-10
Abstract: 837,961. Centrifugal pumps. HOLLEY CARBURETOR CO. Oct. 10, 1957 [Nov. 13, 1956], No. 31653/57. Class 110(1). A centrifugal pump comprises an impeller housed in a cylindrical casing and having at least one blade, each blade having a zero-lift aerofoil cross-section. Fuel from a tank 11, Fig. 1, passes by way of a bore 36 in the impeller shaft and ports 40 to impeller passages 38. The passages 38 are formed in arms 52 which may be radial, as shown, or curved or slanted, the arms 52 being of aerofoil section, as shown in Fig. 4, to reduce their drag to a minimum. As shown in Fig. 2, the passages 38 may be offset so that they extend through the part of the aerofoil section having the greatest thickness, and the aerofoil cross-section preferably increases in a radially outward direction. The pump chamber is of circular instead of volute form, with a large clearance from the arms 52 except at a shoulder 46 adjacent the tangential discharge 44. Fuel leaking past a shaft seal 56 escapes through a porous metal insert 60 and so does not reach the motor bearings. The insert 60 prevents foreign matter from reaching the seal 56. A by-pass 74 may be provided, whereby fuel is returned to the tank by way of a filter 66 and a restriction 72, for the purpose of cooling the pump and returning vapour to the tank.
Patent GB-718682-A (GB)
Title: Improvements in the separation of hydrogen fluoride from monochlorodifluoromethane
IPC: C01B7/19
Filed: 1952-12-15
Abstract: A mixture of hydrogen fluoride and monochlorodifluoromethane is separated by adding chloroform to the mixture, subjecting it to a temperature below 0 DEG  C., allowing two layers to form and separating the two layers.  Preferably the formation of the two layers is carried out at a temperature of from - 30 DEG  C. to - 50 DEG  C. at either atmospheric or superatmospheric pressure and the amount of chloroform added is preferably 0.25 mols. to 2.5 mols. per mol. of monochlorodifluoromethane.
Patent GB-603266-A (GB)
Title: Improvements in or relating to dough moulding and like machines
IPC: A21C11/00
Filed: 1945-11-23
Abstract: 603,266. Pie-moulding machines. CAMWHEAT PIE MACHINE CO., Ltd., and CAMPBELL, C. R. Nov. 23, 1945, No. 31665. [Class 87(ii)] The male die 1 carries a relativelymovable collar 6 in which are a number of resiliently mounted plungers 11. In operation, the die descends from the position shown, the collar 6 descending with it (the springs 18 being insufficient to overcome the weight of the collar). First, the plungers 11 engage the rim of the pie-tin or the like, 19, to hold it steady, and force back the ring 16 against the springs 18. Then the protruberances 9 on the edge of the collar engage the rim of the tin, the collar thus resting on the tin. Then the die continues its descent, moving away from the collar, and moulds the dough, surplus dough being extruded through the gaps 10 between the protruberances 9, these gaps being narrow to ensure a sufficient thickness of dough being left at the edge of the pie for moulding by the serrated ring 4. The collar 6 is slidably retained on the die 1 by a setscrew 7. An air valve 3 is provided to break the vacuum when the die is withdrawn. In a modification the plungers 11 are pressed down by springs housed in the collar 6.
Patent GB-206024-A (GB)
Title: Improvements in a method of making shoes
IPC: A43B9/06
Filed: 1922-11-20
Abstract: 206,024. Hewetson, A. R. Nov. 20, 1922. Connecting uppers to insoles and soles.-A flexible member is stitched to the insole at the edge, and subsequently secured between the welt and the outer sole. A thin strip of leather 4, Fig. 2, may be stitched at its edges to the insole and then slit up the middle. After lasting and the attachment of the welt, the free edges of the strip are turned over and may be cemented to the welt. The outer sole is then attached as usual. In a modification, the flexible strip extends completely around the perimeter of the insole. The invention is particularly applicable to children's shoes.
Patent GB-1148058-A (GB)
Title: Process for producing 5-fluorouracil riboside and 6-mercaptopurine riboside
IPC: C12P19/38
Filed: 1966-07-14
Abstract: 1,148,058. Production of nucleosides by fermentation. KYOWA HAKKO KOGYO CO Ltd. 14 July, 1966 [19 July, 1965], No. 31709/66. Heading C2C. 5-Fluorouracil riboside or 6-mercaptopurine riboside are obtained by culturing a microorganism beloning to Bacillus subtilis or Streptomyces fradiae in an aqueous nutrient medium containing a carbon source, a nitrogen source and inorganic salts, under aerobic conditions in the presence of a base which is 5-fluorouracil in the case of the production of 5-fluorouracil riboside, and 6-mercaptopurine in the case of the production of 6-mercaptopurine riboside. The culturing is preferably carried out at a temperature of 20-40‹ C. and a pH of 5-9.