baber/WOPTO huggingface dataset:
Patent GB-359986-A (GB)
Title: Improvements in or relating to mouldable compositions
IPC: C08K9/04
Filed: 1930-05-01
Abstract: An artificial resin is made by refluxing 100 parts of phenol, 150 parts of tung oil and 1 part of phosphoric acid for six hours, adding 100 parts of 40 per cent formaldehyde, 50 parts of colophony and 3 parts of aqueous ammonia, and refluxing for five hours.  The mixture is then evaporated until anhydrous and heating at 150 DEG  C. is continued until the product is a clear non-tacky solid at room temperature.ALSO:A mouldable composition is made by coating a filler, e.g abrasive grains, with a liquid resinous coating composition containing a liquid vehicle and a resinoid so far reacted towards its insoluble condition that a non-tacky coating is obtained. After drying, the coated filler may be mixed with a potentially reactive resinoid in powder form.  The coating composition may comprise a solution of a condensation product of phenol and a fatty oil, e.g. tung oil, reacted by heating with a methylene containing agent, e.g. formaldehyde, and a blending agent, e.g. colophony.  In an example a resinoid is prepared by refluxing 100 parts of phenol, 150 parts of tung oil and 1 part of phosphoric acid for six hours, adding 100 parts of 40 per cent formaldehyde, 50 parts of colophony and 3 parts of aqueous ammonia, and refluxing for five hours.  The mixture is then evaporated until anhydrous and heating at 150 DEG  C. is continued until the product is p  a clear non-tacky solid at room temperature.  A coating composition is made by adding 300 parts of turpentine or toluene. A composition suitable for grinding wheels is made by mixing 343 gms. of No. 46 grit with 20 gms. of the liquid coating composition, drying, and adding about 35 gms. of powdered potentially reactive phenol formaldehyde resinoid.  The composition is cold moulded under 1500 lbs. pressure and baked for 16 hours at 85 DEG  C. after which the temperature is gradually raised during 8 hours to 135 DEG  C. and maintained at this temperature for about 45 hours.
Patent GB-694220-A (GB)
Title: Improvements in tools for re-facing valve seatings
Inventor: JENSEN ALFRED
IPC: B23C3/05
Filed: 1951-06-07
Abstract: 694,220. Portage turning-apparatus; reamers. YOUNG, H. C. Nov. 22, 1951 [June 7, 1951], No. 13530/51. Class 83 (iii). [Also in Group XXIII] A tool for re-facing valve seatings 3, 4 comprises a bush 5 having a cylindrical surface to be secured in the valve gland hole 2 for locating a feed-screw 8 engaging threads in the bush, and a pair of cutters or grinding heads 15, 16 secured detachably to a spindle 10 which is slidably and rotatably received in an axial bore in the screw 8 and has a collar 12 or the like engaged by the end of the screw. The spindle 10 may be rotated by hand or by power through a flexible shaft and may drive the cutters 15, 16 through flats, keyways or splines 14. A nut 18 clamps the cutters against the collar 12 or diametrically-opposite dogs on the spindle 10. The bush 5 may be secured by screw-threads in the hole 2 or by any other means normally used for securing the gland. The cutters 15, 16 may be such as to operate on cylindrical, flat, conical or other valve faces.
Patent GB-475168-A (GB)
Title: Improvements in burners for liquefied gases
IPC: F23D11/44
Filed: 1936-05-13
Abstract: 475,168. Burners for liquefied gases. JOHNSON, G. W. (I. G. Farbenindustrie Akt.-Ges.) May 13, 1936. No. 13552. [Class 75 (i)] In a Bunsen burner for liquefied gas, such as pro. pane, the pressure release valve d is arranged in proximity to the vaporizer t which is arranged in or extends into the burner flame. The vaporizer is formed with ribs conducting heat from the flame.
Patent GB-1179871-A (GB)
Title: Dispensing Containers
Inventor: EASTO RICHARD ALAN
IPC: B65D5/72
Filed: 1967-03-23
Abstract: 1,179,871. Dispensing containers. R. A. EASTO. 25 March, 1968 [23 March, 1967], No. 13654/67. Heading B8P. A rectangular dispensing container 1, e.g. of paper or card, and e.g. for rectangular cigarette packets, has an aperture 3, which may initially be closed by a perforated tear strip and/or a wrapper. The container(s) may be attached to a wall by a wire framework and metal support 12-18. The framework may be modified, Fig. 2 (not shown), to hold one container and may have a flat base to act as a stand. Advertizing matter may be provided on the container or wrapper or a show card 19.
Patent GB-143537-A (GB)
Title: Improvements in trunk locking mechanism
IPC: E05C9/02
Filed: 1920-05-18
Abstract: 143,537. Belber Trunk & Bag Co., (Assignees of Meyer, F. W.). Nov. 20, 1914, [Convention date]. Multiple fastenings for trunks. -A trunk is secured at a number of points by the engagement with eyes 19, preferably formed in twisted strips of metal, of hooks 17 which are brought into engagement upon rotating the hasp member 14b of the main lock upon a pivot 14<c>, this movement operating a bar 18 through a crank 16.
Patent GB-949243-A (GB)
Title: Electrostatic separation apparatus
Inventor: GREENSHIELDS JAMES BLACKWOOD
IPC: B03C7/06
Filed: 1961-04-17
Abstract: 949,243. Electrostatic generators. J. B. GREENSHIELDS. April 16, 1962 [April 17, 1961], No. 13687/61. Addition to 864,446. Heading H2A. [Also in Division B2] An electrostatic generator comprises an endless rubber band 61 running on a pair of spaced parallel rollers 62, 63, a lower knife edge 65 maintained at earth potential being mounted below the roller 62 and an upper knife edge 67 having an H.T. output lead 81 being mounted above the roller 63. The roller 62 is a mild steel tube with insulated ends, and the roller is rotated through a flexible coupling 64. The upper roller is of electrically insulating material and is mounted on a support 66 suspended from gimbals 68 on a beam 71. The beam 71 is adjustable vertically by bolts 72 to vary the tension of the belt and the support 66 has plates 79 with inclined upper surfaces engaging with runners 80 which with the gimbals 68 keep the belt running in the middle of the roller 63. A voltage control device 74, comprising an earthed discharge brush 75 mounted on adjustable lever 76 is provided to control the output voltage by allowing discharge to the brush 75 above voltages set by the air gap in the device 74. Additional rollers and knife edges may be provided if desired.
Patent GB-541314-A (GB)
Title: Improvements in low temperature carbonization of coal
IPC: C10B1/10
Filed: 1940-08-31
Abstract: 541,314. Carbonizing processes rotary retorts. PITTSBURG COAL CARBONIZATION CO. Aug. 31, 1940, No. 13688. Convention date, Jan. 26. [Class 55 (i)] In the manufacture of coal balls by low temperature carbonization in a rotary retort, the movement of the coal along the retort is restrained by baffles, and zones in the retort are defined by dams. The charge is fed into the retort 2 by a feed screw 22 and passes first into a preheating zone which extends as far as a dam 27 and has baffles 30 which tend to retard the movement of the charge through the retort. The plastic zone extends from the dam 27 to the dam 28, and the ball forming zone from the dam 28 to the dam 29 and on to the outlet 34. Discharge lifters 31 scoop up the balls and discharge them through the outlet 34. The retort is externally heated by the passage of combustion products from a furnace 11 through a passage 9 between an external stationary shell 8 and the rotary retort 2, the plastic zone being maintained at between 700‹ and 800‹ F., and the heating gases varying from 1050‹ F. at the lower end to about 900‹ F. at the upper end. The sizes of the coal balls range from one to eight inches in diameter. Distillates are exhausted through conduits 18 and 26. Specification 427,849 is referred to.
Patent GB-686364-A (GB)
Title: Improvements in or relating to ploughs
IPC: A01B3/46
Filed: 1951-06-08
Abstract: 686,364. Ploughs. BONNEL, H. A. June 8, 1951 [Feb. 22, 1951]. No. 13704/51. Class 6 (i). Relates to tractor-drawn ploughs of the invertable type, and in which the main beam is supported at its front on the tractor and at its rear on a set of wheels. According to the invention, the main beam is capable of assuming a certain angle relative to the direction of motion and the tractive effort of the tractor is transmitted to the plough exclusively by an element, such as a chain 16, connected to the rear of the plough and to a centre point on the tractor. The plough shares or discs are carried by a rocking fraine and lie at an angle to the axis of the main beam of the plough. In the construction shown, the plough frame comprises a cylindrical member 1 whose rear end 1a is supported on wheels 2 which can swivel about a vertical axis 3 and whose height can be adjusted by a screw device 5. The forward end of the frame is rigid with a member 6 and is connected to the tractor by a long transverse bar 10 which passes through holes 9a, 9b in arms 7a, 7b of the member 6 and through elongated openings 13a, 13b of arms 12a, 12b extending from the tractor draft bar 11. The sole tractive force for the frame is applied by the chain 16 connected at 15 to the frame and by a member 17 to the bar 11. The plough shares 25a, 25b, 26a, 26b are connected to members 23a, 23b which extend at right angles to each other from the member 1, the forward ends of these members being adjustably connected to arms 22a, 22b to vary the positions of the forward shares from the axis of the frame 1. The shares are set at an angle 2 to the frame and have heels 30, 31 which remain in contact with the bottom of the furrow. A hand lever 27 is used to reverse the position of the shares. In a modification, the supports 23a, 23b are fitted with plough discs and are provided at their rear ends with guide heels which bear on the bottom of the furrow.
Patent GB-1401266-A (GB)
Title: Aerofoils and hydrofoils
IPC: B64C3/48
Filed: 1971-05-07
Abstract: 1401266 Boundary layer control R C ADKINS 4 July 1972 [7 May 1971] 13729/71 Heading F2R [Also in Division B7] An aerofoil or hydrofoil comprises an upper surface 14 of limited extent, a lower surface that extends to a trailing portion 16 and a baffle 30, which enclose a chamber 20 with the trailing edge of surface 14 and the upper edge of baffle 30 forming an opening 22. A duct 24 formed with openings 26 is positioned within chamber 20 and connected with a suction pump, not shown, thereby forming a vortex 28 at opening 22 the effect of which is to cause the flow over surface 14 to divert towards trailing portion 16. Other embodiments are described in which surface 14 is either hinged or flexible and baffle 30 is hinged, both being adjustable by jacks to give a high-lift section as shown in Fig. 1 or a high-speed section of lesser depth. The baffle 30 may be split into two pivotally interconnected parts to enable it to be extended or collapsed. A rudder is described having a mirror image symmetry about the line B-B of Fig. 1, and an embodiment is described using such surfaces as the blades of a helicopter rotor.
Patent GB-1119281-A (GB)
Title: Improvements in means for extracting material from a bunker, bin, or the like
Inventor: LAUDER JOHN PATON
IPC: B65G65/46
Filed: 1965-04-01
Abstract: 1,119,281. Conveyer screw for feeding furnace. HODGKINSON BENNIS Ltd. 1 April, 1966 [1 April, 1965; 11 May, 1965], Nos. 13788/65 and 19744/65. Heading B8A. Fuel from hopper 4 is discharged through openings 26, 28, 30 into the casing 8 of screw 2 driven by motor 20 which screw discharges the fuel via chamber 16 to screw 36 which feeds rightwards to a furnace. Casing 8 is rotatable in its bearings to vary the position of the said openings, e.g. by pawl-and-ratchet 44, 42 operated by handle 46. Chamber 16 may be formed integrally with a bellows (not shown) to permit the angular inclination of screw 2 to be varied. Casing 8 may have a part thereof of reduced diameter so as to accommodate a part of the screw of smaller pitch. The openings may be replaced by a single helical opening.
Patent GB-633884-A (GB)
Title: Improvements in or relating to the synchronisation of oscillation generators
IPC: H04N5/12
Filed: 1947-05-22
Abstract: 633,884. Pulse frequency dividing circuits. CINEMA - TELEVISION, Ltd., and ELBOURN, R. W. May 22, 1947, No. 13807. [Class 40 (vi)] In a cathode-coupled multivibrator circuit used as a frequency divider the synchronizing signals are applied via a rectifier to the grid of one of the valves to oppose the steady bias potential at the grid. Fig. 1 shows a multivibrator comprising valves 1, 2, the synchronizing signals being applied via valve 15, differentiating circuit 13, 12 and diodes 10, 11 so that the sawtooth waveform of the synchronizing voltage, Fig. 2 (d) (not shown) at the grid of either valve is such that the multivibrator synchronizes at an even sub-multiple of the synchronizing frequency with the phase of the sub-multiple frequency corresponding closely to that of the synchronizing frequency. The synchronizing signals preferably have an amplitude S determined by the equation S=2V/n where V is the voltage excursion of the grid of the valve to which the synchronizing signals are applied and n is the ratio of the synchronizing signal frequency to the free-running frequency of the multivibrator. In a modification, Fig. 3 (not shown), the synchronizing signals are applied to an amplifier and outputs are taken from both the anode and cathode loads and are applied via differentiating circuits and diodes to. the grids of both multivibrator valves. This circuit may be used when division by an odd number is required. In a further modification, Fig. 5 (not shown), the grids of the multivibrator valves are normally negatively biassed the synchronizing signals being applied via diodes to give a positive signal at the grids. In another modification, Fig. 6 (not shown), the grids of the multivibrator are biassed positively and negatively respectively and the synchronizing signals are applied via diodes poled so that the synchronizing signals applied to the grids oppose the standing bias.
Patent GB-419527-A (GB)
Title: Process for the manufacture of artificial threads according to the dry spinning process
IPC: D01F2/30
Filed: 1933-05-12
Abstract: <PICT:0419527/IV/1> In the production of artificial threads by the downward dry spinning method, the winding apparatus is located inside the spinning cell and the direction of travel of the gas inside the whole spinning cell is approximately at right angles to the direction of the threads.  Preferably, several gas currents are passed across the cell from inlets situated at different heights on one side of the cell to correspondingly placed outlets at the opposite side.  Gas removed from one of the outlets may be wholly or in part reintroduced at another zone of the cell.  The gas current passing across the cell in proximity to the nozzle may be pumped in a cycle, part being removed for recovery and replaced by gas which has passed across the cell at another level.  As shown in Fig. 2, heated air is introduced at the inlet a<1> and withdrawn at b<1>.  It is then re-introduced at a<2>, withdrawn at b<2>, and again passed through the cell from a<3> to b<3>.  As shown in Fig. 3, air is introduced at a<1> and withdrawn at b<1>.  Another current of air passes across the cell in the region of the winding apparatus and is re-introduced at a<3> near the top of the cell.  As shown in Fig. 5, the main current of gas passes from a<1> to b<1> and back to a<1> through the fan x.  A part of the air withdrawn at b<1> is drawn by the fan y to inlet a<2> and passes across the cell to b<2>.  A corresponding quantity of fresh air is introduced at a<3>, withdrawn at b<3> and added to the main current.
Patent GB-1171221-A (GB)
Title: delta1-3,3-Methylene-Steroids of the Oestrane Series
IPC: C07J1/00
Filed: 1967-03-23
Abstract: 1,171,221. #<SP>1</SP> - 3 - Methylene - steroids. ORGANON LABORATORIES Ltd. 23 March, 1967 [29 March, 1966], No. 13842/67. Heading C2U. Novel steroids of the formula (wherein R 1  is H or CH 3  and R 2  is H or CH 3 , but they are not both CH 3 ; and X is OH or O-acyl and Y is H or a C 1-4  aliphatic hydrocarbon group, or X and Y together are keto) are prepared from the corresponding 3-ketones not containing a 17-keto group, either by treatment with a phosphine methylidene compound or by conversion into 3-methyl-3- (halogen or hydroxy)-compounds followed by dehydration or dehydrohalogenation. Subsequently a 17#-ol may be esterified or oxidized to a 17-one which may in turn be reacted with a hydrocarbon metal compound by standard procedures to give a 17α-Y-17#-OH compound which may be esterified.
Patent GB-747934-A (GB)
Title: Method for processing and extruding a vulcanizable elastomer compound
IPC: B29C48/08
Filed: 1954-05-12
Abstract: A vulcanizable elastomer compound is processed and extruded by mixing the ingredients e.g. synthetic rubber reinforcing pigments, plasticizers, vulcanizers, and antioxidants to partly plasticize the compound, either forming the mixture into slabs for future use or feeding the mixture directly to a mill to plasticize the compound further, feeding the plasticized compound and up to 100 per cent by weight of scrap stock to a strainer, feeding the mixture to a blending mill, then a feed mill, and finally extruding the mixture to form tyre parts.  The synthetic rubber may be formed by the copolymerization of butadiene and styrene or butadiene and isoprene with small amounts of isobutylene.
Patent GB-695507-A (GB)
Title: Improvements in or relating to heat and light radiating devices
IPC: B42F21/10
Filed: 1951-06-12
Abstract: 695,507. Discharge lamps. HERAEUS QUARZSCHMELZE GES. June 12, 1951 [June 23, 1950], No. 13894/51. Class 39(i) [Also in Groups VI and XI] A gas discharge tube comprises one part 2 of transparent quartz glass and another part 3 of opaque quartz glass or quartz ware, the line of separation of the parts extending longitudinally the whole length of the tube. Current is supplied to the ends of the tube which contains an inert gas and is in two longitudinal halves 2, 3, one of transparent and the other of opaque quartz joined at their edges. The opaque quartz may be of substantially parabolic shape, may act as a reflector and becomes heated and may radiate heat with a wave length of 4 microns. The device may be mounted in a parabolic aluminium reflector 10. The opaque quartz may be made by adding metal oxides, e.g. up to 1 per cent of oxides of iron, chromium or manganese to the melt during the manufacture of quartz, or the quartz may be made centrifugally by melting grains of silicon oxide, e.g. pure sand in a rotating cylinder by an efectric arc moved along its axis so as to form a quartz cylinder, and a thin dark layer is formed on its inner side by introducing iron oxide at a suitable moment. The outer side of the opaque quartz half sleeve may be made porous by adding gas-forming additions to the melt. The radiator may be used therapeutically for drying paints or food, or in the polymerization of synthetic resins. The radiator may be straight, or several annular heaters may be placed side by side to form a drying channel.
Patent GB-849471-A (GB)
Title: Improvements in or relating to apparatus employing cathode ray tubes for visual presentation
Inventor: SYKES BEN
IPC: G01R13/20
Filed: 1955-05-13
Abstract: 849,471. Accessories for cathode-ray tubes. MINISTER OF SUPPLY. April, 11, 1956 [May 13, 1955], No. 13961/55. Drawings to Specifications. Class 40(7). With a C.R.T. display, to avoid burning the screen especially when the trace is repeated on the same part of the phosphor, an additional scan is imparted to the electron beam to move the display across or around the screen and an equal and opposite motion is imparted to light from the image whereby a substantially stationary display is presented to the observer. As described, with reference to an aircraft gun-sight Fig. 1 (not shown) an additional vertical scan is applied to the C.R.T. in synchronism with the oscillation of a viewing mirror about a horizontal pivot. Alternatively Fig. 2 (not shown) a circular scan may be applied in synchronism with a rotating wedge in the optical system.
Patent GB-328453-A (GB)
Title: Improvements relating to shock absorbers for mechanically propelled road vehicles
IPC: B60G13/04
Filed: 1929-05-06
Abstract: 328,453. Smith, F. May 6, 1929. Vibration-dampers.-Vehicle shock-absorbers of the one-way or rebound type in which the vehicle spring is adapted to move freely when compressed, are constructed in such a way that the restraint exerted upon the spring during its expansion movement is instantaneously removed at a certain point near the normal loading position after which the spring is adapted to function freely. In the construction shown in Figs., 1 and 2, the arms A, B are connected respectively to the frame and the axle. The arm B is formed with a split band F which is drawn by a spring-controlled bolt J inwards so as to grip a drum U bolted between end plates E, H, of which the plate E is integral with the arm A. The arrangement of the band F and its controlling-bolts J is such that the band grips the drum U only when the arms A, B are moved further apart by spring rebound. This action is however modified by means of a lever M which is pivoted at the point N to the arm B while its other slotted end engages with a pin K carried by the end plate H so that it follows the movements of the arm A. When the arms A, B move away from one another sufficiently, the end of a screw R carried by the lever N engages the end S of the strap F so as to expand it and put the apparatus out of action There is thus no resistance to the movement of the vehicle spring in either direction at or near its normally loaded position, but the return towards the normal position after larger displacements is resisted frictionally. Specifications 230,225 and 260,729 are referred to.
Patent GB-829354-A (GB)
Title: Improvements in or relating to electrical circuits
Inventor: COLE BERNARD ARTHUR
IPC: H05K3/06
Filed: 1957-05-02
Abstract: 829,354. Etching. ERIE RIDSISTOR Ltd. April 30, 1958 [May 2, 1957], No. 13999/57. Drawings to Specification. Class 100(2) A process for the production of printed circuits or electrical components comprises preparing a transfer sheet of material with a portion of the circuit thereon in an acid-resistant ink, applying the sheet to a metallic foil backed by a layer of electrically insulating material so that the resistant ink pattern is laid against the metallic surface, treating the sheet, such as by moistening, and excluding any hot transfer operation, to enable the pattern to be transferred to the foil when the sheet is removed, removing the sheet and subjecting the foil with the pattern thereon to an etching process to remove those points of the foil not protected by the resist ink. The transfer sheet may be a paper coated with a solution of gum arabic and starch. The ink may be composed of an acid-resistant varnish or resinous plastic, a wax, or a printing ink having added thereto wax, glycerine and indian ink. The foil may be copper, and the backing may be of a thermoplastic or thermosetting resinous material. The etching bath may be nitric acid or ferric chloride.
Patent GB-354318-A (GB)
Title: Improvements relating to positive plates for electrical storage batteries
IPC: H01M4/14
Filed: 1930-05-07
Abstract: 354,318. Galvanic batteries. WILLIAMS, S. J., 9A, Stratford Road, Kensington, London. May 7, 1930, No. 14028. [Class 53.] Electrodes.-The positive plate of an accumulator consists of a central core 1 of active material on each face of which is a lead grid 3 so that a large exposed surface is provided external to the active material. The grids may have wedge-shaped bars and may be cast round the active material as described in Specification 268,179, [Class 53, Galvanic batteries]. During the forming process and subsequent use of the accumulator the grids become oxidized and progressively increase the capacity of the accumulator.