baber/WOPTO huggingface dataset:
Patent GB-1318845-A (GB)
Title: Control device for hydraulically-actuated clutches of a changespeed  gear systems provided with a reversing transmission
IPC: F16H47/06
Filed: 1972-02-28
Abstract: 1318845 Change-speed gear control ZAHNRADFABKIK FRIEDRICHSHAFEN AG 28 Feb 1972 [27 Feb 1971] 9013/72 Heading F2D A control device for hydraulically-actuated gear change and reversing clutches ensures that most of the shifting work is taken by the reversing clutches by the provision of a by-pass line to the pressure control valve to allow direct filling of the gear change clutch selected. Gear ratio clutches 9-11 and reversing clutches 12, 13 controlled by valves 6, 8 respectively receive pressure oil from a pump 1 through a pressure control valve 4 and lines 5, 7 respectively provided with non-return valves 16, 17. A by-pass line 18 leads from the pump 1 directly to the gear ratio clutches 9-11 through a valve 20 while a branch line 40, through passages in the valve 20, can supply pressure oil to compensate for leakage in the reversing clutches 12, 13. The valve 20 has a piston 24 which can shut off the line 18 and a reversing valve piston 23 which are together urged to the neutral position shown by a spring 27. From the neutral position shown first forward gear is engaged by moving the valves 6, 8 to positions 1 and V respectively. As the line 18 is open pressure oil fills the clutch 9 directly while the forward clutch 13 is filled through the pressure control valve 4 and When engaging pressure has built up it acts in a chamber 33 of the valve 20 to move the pistons 23, 24 against the spring 27 until the line 18 is blocked and the clutch 9 is maintained engaged through the pressure control valve 4 and line 5. A further shift of either valve 6 or 8 separately will cause the selected clutch to be engaged by pressure oil passing through the valve 4 as the line 18 remains blocked but if both valves are moved together drop in pressure in clutch 12 or 13 and thus in chamber 33 or 35 holding the piston 24 in its blocking position allows the spring 27 to move the piston 24 to open the line 18 so that the selected clutch 9-11 is filled direct. When pressure again builds up in clutch 12 or 13 the piston 24 is again moved to its blocking position.
Patent GB-857567-A (GB)
Title: Bubble trap for liquid systems
IPC: G01N27/28
Filed: 1959-03-16
Abstract: An apparatus for providing a flowing column of bubble-free liquid upon which a test can be made comprises a chamber having an inlet pipe terminating at a point such that bubbles introduced with the liquid to be tested can rise to the top of the chamber, an outlet <PICT:0857567/III/1> pipe at the top of the chamber to carry away the bubbles in some of the liquid and a second outlet pipe for said bubble-free column which extends from the bubble-free volume in the chamber and rises upwards to join the first outlet pipe.  As illustrated in Fig. 1, a stream of the liquid containing the bubbles is fed through line 10 into a chamber 15 and the bubbles rise into the domed upper plug 14 and thence into exit line 17.  Bubble-free liquid is withdrawn through line 16 and passes through an extension 16 in which an electrical test may be performed on the liquid, utilising electrodes 19, 20 in the form of flat plates on the inner surface of said extension.  Thereafter the bubble-free stream is recombined with the stream containing bubbles near the outlet 11. Exit pipe 17 contains a constriction 18 (or could be wholly of smaller cross-section) such that a portion of the liquid is forced to flow through line 16.  In a second embodiment (Fig. 2, not shown) the chamber inlet and outlet lines are formed in a block, and additionally there are provided (a) a line to introduce a reagent (potassium iodide solution) into the liquid containing bubbles (chlorinated water) (b) a temperature bulb in the lower part of the vessel connected to the electrical measuring instrument to modify the response in accordance with the temperature of the water and (c) stainless steel clips in the lower part of the separation chamber to ensure mixing of the reagent and liquid under test and to trap any bubbles carried downwardly in the chamber.
Patent GB-701929-A (GB)
Title: Improvements in devices for supporting and driving different household appliances, especially kitchen appliances
IPC: A47J44/02
Filed: 1951-04-18
Abstract: 701,929. Motor driving arrangements. BOSCH GES., R. April 18, 1951 [April 19, 1950], No. 9035/51. Class 35. [Also in Group VI] Interchangeable household appliances such as coffee grinders, stirrers, mincers &c. are driven e.g. by an electric motor 5 and/or reduction gear 6 contained in a box-shaped casing 1, 2 which can alternatively be placed to rest on its base 1, Fig. 1, or on its side, Figs. 3 and 4, where 11 is a coffee grinder and 12 is a mincer, the overhang being supported by the casing 16 of the electric motor 5. A further and removable support 13 with spreading legs may be added to allow positioning of a receptacle 14. The shape of the base casing in Fig. 1 may be as in Fig. 3 (elevation) with a coffee grinder 11 attached a stop switch 19 being on the outside. The drive parts are arranged so that the centre of gravity is as close as possible to the alternative bases An agitator spindle may project from the bottom centre of the basin 17.
Patent GB-602877-A (GB)
Title: Improvements in or relating to bi-focal glasses for spectacles or eyeglasses
IPC: G02C7/06
Filed: 1945-04-11
Abstract: 602,877. Bi-focal lenses. LISSAC, G. April 11, 1945, No. 9067. Convention date, Nov. 28, 1940. [Class 97 (i)] Abi-focal lens comprises a principal lens and joined thereto an additional lens consisting of a distant vision element of the same material as the principal lens fused together with a more refractive near vision element, the optical axis of the principal lens coinciding with the optical axes of the distant vision element and the near vision element and passing through the centre of the upper edge of the latter which is disposed along a horizontal line orthogonal to said axis. The near vision element is bounded to the right and the left of the optical axis by rectilinear chords which are substantially perpendicular to the upper edge thereof and the curvature of the bi-focal lens is continuous. The lower edge of the near vision element may be either circular or straight and parallel to the upper edge thereof. As shown in Fig. 1, the bi-focal lens is constituted by a flint glass element 11 having straight edges 12, 13 and 14 and a circular arc 15 or straight edge 16 as boundaries and located on the principal lens 9 as of crown glass so that - the optical axis 18 of both passes through the mid-point of edge 12. Such lenses may be constructed by fusing a preformed flint glass bar 20 to a crown glass surround 21, in one or more pieces, to form a cylinder, Fig. 5, from which discs of suitable thickness are cut to constitute the additional lenses. One surface of the disc is shaped to fit a spherical recess in the lens 9 and then fused thereto. The surface of the combination so produced is then shaped to the required curvature. In a modification a shaped flint glass element completely surrounded by crown glass is fused to the principal lens 9. Specification 488,854 is referred to.
Patent GB-434887-A (GB)
Title: Improvements in automatic time release devices
IPC: H01H43/28
Filed: 1934-03-23
Abstract: 434,887. Dashpots. BRAITHWAITE & SON, ENGINEERS, Ltd., I., and STILLING, W. H., Ibis Works, Kendal, Westmorland. March 23, 1934, No. 9087. [Class 108 (iii)] [See also Groups VIII and XXV] A device for locking a mechanism in an operative position and releasing it therefrom only after a predetermined period of time, and which is particularly applicable for holding an ironing- press locked for a predetermined time, comprises a stationary casing A having a head A<1> from which a stationary piston H is carried, the piston being received in the hollow upper end B<1> of a piston B slidably mounted in a bearing a in the casing A. A plunger C is slidably mounted in the hollow lower end of the piston B and is pressed by a spring D into engagement with one arm of a lever E pivoted in the casing A and provided with a notched end e which is engaged by a projection G on the pressoperating treadle g as the latter is depressed to close the press. This rotates the lever E from the full line position shown to the dotted line position and the lower end k<1> of a lever K pivoted at k<2> snaps under the head e<2> of a bolt on the lever E and holds the latter raised and the press locked. The compression of the spring D due to the lever E forcing in the plunger C raises the piston B, the speed thereof being restricted by fluid contained in the portion B<1> of the piston B beneath the stationary piston H. A needle valve J controls the rate at which the fluid can pass from B<1> to above the stationary piston through the axial and radial passages h<1>, h<2> and so controls the speed of the piston B. An inclined surface bl on the outside of the piston B coacts with the upper end k of the lever K and, after a time predetermined by the setting of the needle valve J, rotates the lever K counterclockwise sufficiently to unlock the lever E and permit the treadle to be raised to open the press. The opening movement of the treadle permits the spring D to restore the plunger C ; the piston B falls slowly under its own weight and the fluid above the stationary piston H returns to the space B<1> through apertures h<3> in the stationary piston, and a non-return valve h<4>. To permit opening of the press in case of emergency, the lever K may be rotated manually. Specification 427,189, [Group VIII], is referred to.
Patent GB-556034-A (GB)
Title: Improvements in or relating to sextants
IPC: G01C1/08
Filed: 1942-07-02
Abstract: 556,034. Sextants. SHACKMAN, A., and SHACKMAN, R. C. July 2, 1942, No. 9168. [Class 97 (ii)] A sextant comprises an arc 1 having worm threads on its periphery, an index arm 7, a housing 5 pivotally supported on the index arm, a shaft 19 extending into the housing, a micrometer drum 17 mounted on the shaft exteriorly of the housing, a worm 4 of a diameter approximating to the diameter of the micrometer drum, a spring 12 normally urging the housing towards the arc to engage the worm, and means (a thumb piece 15) for pivotally moving the housing against the action of the spring to disengage the worm and permit coarse adjustment. The worm 4 is rotated by a knurled member 18. The worm spindle 19 is maintained in true axial alignment by a conical collar 20 pressed against a conical seating by spring-loaded pivots 23.
Patent GB-1189424-A (GB)
Title: Fluid Synchronizing System for Rotating Devices
IPC: G05B11/58
Filed: 1968-02-26
Abstract: 1,189,424. Gas turbine jet engines, regulating I.C. engines. UNITED AIRCRAFT CORP. Feb.26, 1968 [April 3, 1967], No.9235/68. Headings F1B and F1J. [Also in Division G3] A system for synchronizing the speed and phase of operation of master and slave engines comprises pulse generators 108, 114 driven by the engines 100, 112 and delivering signals to a pure fluid detector 104 the output from which is proportional to the speed error. This error signal is fed to parallel resonant cavities 118, 120 tuned to frequencies above and below a small frequency difference which exists between the two speed signals when the slave engine is on-speed. From the cavities the signals pass through half-wave rectifiers 122-128 to a lag-lead circuit 131 comprising serially arranged proportional amplifiers 133, 134 and summing amplifier 136. After further amplification at 152 the signals are fed to summing amplifier 154 which also receives signals representative of any phase error in the speed signals. The phase is detected by amplifier 106 which receives signals from pulse generators 110, 116 and discharges through capacitors 72, 74 to a lead-lag circuit comprising summing amplifier 142 and proportional amplifiers 144, 146. The output from amplifier 154 controls the slave engine speed via spool 158, ram 162 and throttle 160. In a modification, the speed error detector is omitted since the output of the phase error detector will provide simultaneous control of speed and phase. The system is applicable to turbojet installations and to rotary and reciprocating engines and compressors. The speed of the slave engine may be controlled by controlling the flow of fuel to the engine or the pitch of a propeller.
Patent GB-745999-A (GB)
Title: Gas plating with chromium hexacarbonyl
IPC: C23C16/16
Filed: 1954-03-30
Abstract: 745,999. Coating with metals. COMMONWEALTH ENGINEERING CO. OF OHIO. March 30, 1954, No. 9306/54. Class 82(2). A metallic object is coated with chromium by heating the object to a temperature above the decomposition point of chromium hexacarbonyl which is supplied in a vaporised form in an inert carrier gas at atmospheric pressure. The metals coated are steel and cast-iron. The process is accomplished by vaporising solid hexacarbonyl in a carburetter 7 and contacting it with the inert carrier gas (CO 2  or N 2 ) at a temperature in the range 100‹-290‹F. and passing the mixed vapours into the chamber B through a nozzle 20 at atmospheric temperature to contact the object to be plated, the object 23 being heated at a temperature from 550‹-700‹F. The gas flow is from 1-3 litres per minute. The gas is contained in a cylinder 1 and passes through coil 6, which surrounds the carburetter 7 both being immersed in a bath 10 of hot oil the temperature of which is controlled by a thermostat 13 and stirrer 15. A pump 19 drives the gas through nozzle 20. The chamber B has a water jacket 28, workpiece supporting and electric heating means 24, 25, and a trap 33 to condense any surplus hexacarbonyl from the exhaust gases.
Patent GB-308371-A (GB)
Title: Process for reproducing the grain of wood
IPC: B41M3/06
Filed: 1929-03-22
Abstract: 308,371. Masa Ges. zur Herstellung K³nstlicher Oberflõchen, (Assignees of Schuhmann, H.). March 22, 1928, [Convention date]. Photo-mechanical printing-surfaces.-To obtain increased contrasts, photographs of natural wood grain, from which printing blocks are made, are produced by illuminating the surface with light of selected wave lengths, instead of diffused light. The light may have the same spectroscopic composition as one of the colours in the wood, or it may be complementary thereto. The wood may be impregnated with fluorescent substances to obtain further increased contrast, and photographed with ultra-violet light illumination.
Patent GB-314137-A (GB)
Title: Improvements in or relating to wire and like mattresses and to anti-sagging devices therefor
IPC: A47C23/32
Filed: 1928-03-28
Abstract: 314,137. Iliffe, E. H. March 28, 1928. Mattresses.-An auxiliary support for wire fabric mattresses comprises a framework 1, 2 holding a number of upholstery springs 3 mounted to slide in or upon the side rails 5 of the mattress and connected to the end rails by chains 11 and springs 10 arranged as shown. The upper ends of the upholstery springs are secured to the mattress fabric. Reference has been directed by the Comptroller to Specifications 5617/07, 19745/10 and 270,967.
Patent GB-1040165-A (GB)
Title: Pesticidal alkaloid salts
IPC: A01N47/14
Filed: 1964-03-05
Abstract: The invention comprises nicotine, nor-nicotine and anabasine salts of dithiocarbamic or dithiocarbazic acids including polydithiocarbamic, dialkyl-dithiocarbamic and mono-substituted dithiocarbamic acids. Specified acids include ethylene-bis-dithiocarbamic, N,N-dimethyl-dithiocarbamic, N - methyl - dithiocarbamic, diethylenetriamine N,N1,N11 - tris - dithiocarboxylic, phenylene - bis - dithiocarbamic, phenyl-dithiocarbamic, piperazine-dithiocarboxylic and dithiocarbazic acids.  The salts are prepared by reacting ammonia, hydrazine or the appropriate organic amine with carbon disulphide to produce the thioacid and reacting this with the appropriate alkaloid.ALSO:Pesticidal compositions having fungicidal, bactericidal, antivirus, ovicidal, insecticidal, nematicidal and/or herbicidal activity comprise as active constituents one or more nicotine, nornicotine or anabasine salts of a dithiocarbamic or dithiocarbazic acid, preferably in association with a solid or liquid carrier or diluent (e.g. water) and optionally containing also other alkaloid salts or free alkaloid.  Specified dithiocarbamic or dithiocarbazic acids include ethylene-bis-dithiocarbamic, mono- and dimethyl-dithiocarbamic, diethylenetriamine-tris-dithiocarboxylic, benzene mono-and bis-dithiocarbamic, piperazine-bis-dithiocarboxylic and dithiocarbazic acid.  The preparations may contain other salts of dithiocarbamic acids, such as the ammonium, amine, sodium, potassium, magnesium and quaternary ammonium salts and water insoluble salts and derivatives such as zinc, manganese, iron, nickel and copper salts, double salts and complex salts, thiurams, sulphenimides and metalcontaining thiuram compounds.
Patent GB-1469044-A (GB)
Title: False-twisted fancy yarn
IPC: D02G3/34
Filed: 1975-03-07
Abstract: 1469044 Producing fancy yarns by falsetwisting AKZO NV 7 March 1975 [8 March 1974] 9537/75 Headings D1F and D1W A fancy yarn (Fig. 2, not shown) alternatively comprising voluminous and less voluminous zones is obtained by false-twist crimping a bundle of thermoplastic synthetic filaments, under varying tension wherein after passing through a heating unit 4 and before passing through a false twist unit 6 the bundle. of filaments 1 is intermittently deflected from its original path by a twist blocking element 5. Each blocking action produces a less voluminous tightly twisted zone (Lz, Fig. 2), one half of each zone having S crimp and the other half Z crimp. In Figs. 1, 3 the blocking element 5 comprises a rotatable disc 10 which oscillates about its axis of rotation and carries two contact pins 11 eccentrically arranged at an interval from one another. In the solid line position of Fig. 3 the pins divert the filaments through an angle which may be 50 to 180C and thus block the twist. In the chain line position the filaments are not diverted. In the embodiment of Fig. 4 the filaments are threaded through the eye of a single hook type filament guide. Rotatable oscillation of disc 10 again produces intermittent displacement of the filaments. In alternative embodiments the support 10 for the pins 11 or the hook guide 12 may undergo linear oscillation or guide 12 is situated at the axis of rotation of disc 10. The radius of curvature of the filament bundle at the point(s) of contact with the blocking element(s) is preferably less than 1mm. The pins or the hook may be a ceramic oxide or a chromium plated matt metal surface.  The filaments may be polyethylene terephthalate, polyacrylonitrile, nylon 6 or nylon 66. The heater 4 may be an air heating box or a heating bar and the false twister a diabalo spindle with countersunk entraining pins or a friction twister. In the examples a 36 filament 360 total dtex bundle of polyethylene terephthalate filaments is spun at a total rate of 2000 metres/min. Rollers 3 work at 73 metres/ min and rollers 7 at 171.5 metres/min to stretch the yarn 2.35 times. Heater 4 is a bar at 230C, twister 6 is a spindle rotating at 378,000 r.p.m. The bundle is diverted 16 to 90 times per minute. The thick and thin zones are each 40 cm to 350 cm long. In Fig. 2 the thin (twisted) zones are 9 inches long and the thick zones are 9 ft long.
Patent GB-705404-A (GB)
Title: An inhaler for medicinal substances
IPC: A61M15/00
Filed: 1951-04-24
Abstract: 705,404. Inhalers. BICKFORD & SONS, Ltd., A. M. April 24, 1951 [May 19, 1950; Sept. 1 1950], No. 9542/51. Class 81(2) In an inhaler for medicinal substances the inlet or inlets through which air is admitted is/are of a total cross-sectional area which is small in relation to that of the outlet and is/are inclined in a direction away from the outlet such that the air disturbs the inhalent by impinging thereon when suction is applied to the outlet. As shown, the inhaler, Fig. 2, comprises three parts, a body 1 provided with an air inlet 11 and outlet 5, a plug 3 removable for refilling the body when necessary and a mushroom shaped cap 6 having an depending plug 10 and skirt which respectively seal the outlet 5 and the inlet 11 when the cap is in its closed position on the bcdy. A spring lock cf the cap 6 to the body 1 is effected by providing the former with a depression 9 which engages a ridge 8 on the latter. In a modification an air inlet which is directed towards the outlet 5 is provided in addition to the inlet 11. In a further embodiment an inhaler similar to that shown in Fig. 2, is provided with a rotatable sleeve having an opening: which may register fully or partially with the opening 11 in order to adjust the air flow to the latter. The air openings in the body may be duplicated if desired and' may be arranged tangentially.
Patent GB-425853-A (GB)
Title: Method of making cereal food products and the article made thereby
IPC: A21B5/02
Filed: 1934-03-27
Abstract: To form a thin sheet of dough of irregular section, for use in making a cereal biscuit, a mass of wheat berries is steamed or boiled and surface dried, and is then passed through a reducing machine comprising a pair of rolls spaced apart a few thousandths of an inch, one of the rolls being formed with circumferential and preferably continuous scoring or fine grooves.
Patent GB-950026-A (GB)
Title: Improvements in impact breaker mills
IPC: B02C13/09
Filed: 1962-03-13
Abstract: 950,026. Impact mills. F. WAGENEDER. March 13, 1962 [March 13, 1961], No. 9602/62. Heading B2A. An impact breaker mill comprises an impeller 1 having beater elements co-operating with a number of fixed impact plates 2 wherein there is provided for further reducing the material after reduction by impact a grinding block 4 pivoted about an axis parallel to that of the impeller, and a guide plate 3 arranged perpendicular to the gap between the impeller and the grinding block for breaking the flow of material to the latter. The grinding block 4 is mounted to pivot at 5 and urged towards the impeller 1 by adjustable spring-pressed levers 10, 9 which connect with a lug 7 of the block , the extent of travel of the block towards the impeller is controlled by means of a screwthreaded rod which is provided with a lug at one end for engagement with the lever system at 12 and an adjusting nut on the threaded portion for engagement with a bracket 18. When, after use, the lower part of the operative surface of the block 4 becomes worn, the block may be inverted so that the pivot 6 takes up the pivoting position 5 and the lug 8 is then connected to the lever 9.