baber/WOPTO huggingface dataset:
Patent GB-546858-A (GB)
Title: Improvements in and relating to mechanical power transmission systems
IPC: F16H61/02
Filed: 1940-06-10
Abstract: 546,858. Variable-speed gearing. HIGGS, G. R., and METROPOLITAN-VICKERS ELECTRI- 'CAL CO., Ltd. June 10, 1940, No. 3107/42. Divided out of 546,821. Drawings to Specification. [Class 80 (ii)] [Also in Groups XXVI and XXXVII] The subject-matter is described in Specification 546,821, but the claims are directed to a power transmission system in which gear changing from one ratio to another is effected automatically in response to the engine speed varying beyond a given limit, and includes means for interrupting the transmission in response to the said variation of the engine speed, means for selecting a new gear ratio, means responsive to the speeds of the engine and load and acting upon the energy input to the engine for synchronizing the engine speed with that of the load for engagement of the said new gear ratio, and in addition, means responsive to the engine and load speeds for preventing re-engagement of the transmission until substantial synchronism obtains. Specifications 546,821, 546,856, and 546,857 also are referred to.
Patent GB-675390-A (GB)
Title: Improvements in and relating to speed control mechanism
IPC: A47J43/08
Filed: 1950-02-07
Abstract: An on-off and adjustable speed centrifugal switch connected in series with the motor are housed in the motor casing of an electric-kitchen-mixer, and controlled by a single knob.  (see Group XXXVII).  Mixer.-In the embodiment described the motor housing is pivoted to a support and has three beaters projecting from its base into a bowl mounted on a turntable, Fig. 1, (not shown).
Patent GB-1098594-A (GB)
Title: Method of incorporating a photographic ingredient into a photographic colloid
Inventor: PAUW ALFONS JOZEF DE
IPC: G03C1/005
Filed: 1965-01-25
Abstract: 1,098,594. Incorporating photographic ingredients into colloids. GEVAERT - AGFA N. V. Jan. 25, 1965, No. 3151/65. Heading G2C. A photographic colour coupler or mask forming compound is incorporated into a hydrophilic photographic colloid by dissolving the coupler or compound in formamide, blending said solution with the colloid and removing the formamide. The colloid may be a light-sensitive silver halide emulsion or a colloid to be added to such an emulsion. In the latter case, the formamide may be removed from the colloid before or after mixing with the emulsion. Removal of the formamide may be by washing the gelled and noodled colloid with the water, by evaporation from the gel under vacuum or by evaporation after coating on a support. The formamide may contain a moistening agent such as saponin, aryl-alkyl sulphonates and polyoxyalkylene compounds. Colloids specified are gelatine, polyvinyl alcohol, zein and casein.
Patent GB-562498-A (GB)
Title: Improved means for effecting the distant control of the movement of a member movable by a prime mover
IPC: G05G19/00
Filed: 1943-02-26
Abstract: 562,498. Follow - up switches and valve arrangements. FAIREY AVIATION CO.. Ltd., and PARKER, G. Feb. 26, 1943, No. 3191. [Class 40 (i)] [Also in Groups XXIX and XXXVII] A switch or valve for a follow-up system, e.g. for the control of aircraft wing flaps,is carried by a nut x on a leadscrew m and is operated by a plunger 13 in engagement as shown with the screw which has different diameters at different axial positions. Alternatively the plunger may engage the root of the thread. As shown, the control handle a through a reverted epicyclic gear d, f, c, e and a differential gear q, o, p drives a lead-screw m. As the nut x moves, the plunger 13 moves in one direction or the other to operate a switch or fluid pressure valve to cause a motor to drive the wing flap in the appropriate direction. The motor also drives the sun-wheel p of the differential gear and so causes the rotation of the screw m and the restoration of the nut x to its inoperative position. The motor may drive the flap through a friction clutch and may have a solenoid-controlled friction brake.
Patent GB-1383436-A (GB)
Title: Mowing apparatus
IPC: A01D34/63
Filed: 1972-01-24
Abstract: 1383436 Mowers MASCHINENFABRIK FAHR AG 24 Jan 1972 [22 Jan 1971] 3204/72 Headings A1F and A1P A mower is connected to a tractor by a frame 1 which, when lifted, pivots lever 6 anticlockwise about axis 8 until it abuts stop 12 on joint member 4 to limit the pivotal movement of the lever and hence the downward movement of the support linkage 7 so that mowing beam 9 is raised. The mower can then be pivoted about axis 5 through 90‹ until stop 13 is located in the transport position. Stops 12 and 13 coact in this position to hold lever 6 and therefore linkage 7 in a rigid position. Stop 12 also limits downward movement of the linkage 7 when the mower is detached from the tractor. In an embodiment a releasable tommy-bar replaces stop 13 to hold the linkage in the transport position.
Patent GB-1489984-A (GB)
Title: Electrodeposition of nickel
IPC: C25C1/08
Filed: 1975-01-24
Abstract: 1489984 Electro-depositing nickel INCO Ltd 24 Jan 1975 [8 Feb 1974] 3213/75 Heading C7B In electrowinning or -refining Ni, S-free Ni at least 1 mm thick and over a continuous area of at least 1 dm<SP>2</SP> is electro-deposited on a permanent edge-masked cathode blank or mandrel of Ti (alloy), Al or stainless steel, the exposed surfaces of which are roughened, e.g. by abrasive blasting with sand, glass or alumina particles, to a roughness having a maximum height of profile of 0À028 to 0À078 mm, from an aqueous chloridefree NiSO 4  electrolyte having a pH of 1À5 to 5À5. The internal stress of the electro-deposit, preferably 500 to 1800 kg/cm<SP>2</SP>, is so correlated with the surface roughness of the cathode and with the thickness and maximum dimension of the uninterrupted area of the electro-deposit that the deposit adheres to the cathode during electro-deposition but can be readily removed e.g. by automatic means. The cathode may be edge-masked with polyethylene shields. The current density may be 1À5 to 10 A/dm<SP>2</SP>. Insoluble anodes, e.g. of RuO 2  coated Ti or Pb alloy, may be used in a bagged cathode cell. The electrolyte preferably comprises 40 to 110 g/l of Ni as sulphate, 100 to 200 g/l of sulphate ion, up to 100 g/l of Na and Mg ions and 5 to 50 g/l of boric acid. Specification 1392705 is referred to.
Patent GB-225739-A (GB)
Title: Improvements relating to electric motor starters
IPC: H02P1/02
Filed: 1923-09-08
Abstract: 225,739. Hirst, J. A., and Brook, Hirst, & Co., Ltd. Sept. 8, 1923. Controllers with overload release; handles.-In a motor starter having a switch member and a handle movable into opposite extreme positions to make starting and running connections, and provided with overload release control, a device for reducing the sensitiveness of the overload control during the starting period is mechanically connected to the handle so as to be operative when the handle is in either extreme position and to be inoperative when it is in the middle position. Figs. 6, 7, 8, and 9 show the essential parts of the device fitted to a star-delta starter for alternating current motors. The handle He actuates the switch member Y by abutment between lugs h<26>, y<2>, and is connected through a linkage h<22> to a lever Sp which applies spring restraint to the plunger of the overload release o<42> when the handle is moved to either of the extreme positions Figs. 7 and 8. The handle is finally brought by a spring h<24> into the middle position Fig. 9, the switch member being held by a detent, and the spring restraint being taken off the overload plunger so as to restore the normal sensitiveness. In a modification the alteration of sensitiveness is obtained by displacing the overload plunger.
Patent GB-840172-A (GB)
Title: Improvements in or relating to apparatus for determining the locus of a moving member
Inventor: DUNHAM CARLTON ROSSLYN
IPC: G05B19/4105
Filed: 1957-01-30
Abstract: 840,172. Electric analogue calculating systems. GENERAL ELECTRIC CO. Ltd. Jan. 30, 1958 [Jan. 30, 1957], No. 3289/57. Class 37. In an arrangement for causing a member to follow a curved path passing through a number of predetermined positions and defined by an interpolation formula y=f(x), means are provided for producing for each predetermined position an electrical signal corresponding in magnitude to the value of the Y co-ordinate at that position and for selecting a number of the signals in accordance with the actual position of the member, the selected signals being applied to a further means for producing a positioning signal for each point intermediate two predetermined positions in accordance with the interpolation formula and the positioning signal being applied to actuate means such as a servomechanism whereby the member is correctly positioned. Alternating current signals corresponding to four successive predetermined angular positions of a tool relative to a cam being cut in a machine selected by a switch 3, Fig. 2, are applied to four pairs of input transformers 6-13, secondaries 8<SP>1</SP>-11<SP>1</SP> of which have four times the number of turns of the remaining secondaries, and the secondaries are interconnected with each other and circular potentiometers 14, 15, the wipers of which move with the angular movement of the tool or cam to produce at terminals 22, 23, the argument Y 1  of interpolation formula where Y (R-1) -Y R+2  are the values of Y at the four selected predetermined points. A transformer and patchboard arrangement for setting up the A.C. signals for the predetermined points to an accuracy of 1 part in 10,000 is referred to and a preferred resetting potentiometer for the servo-mechanism is described.
Patent GB-233428-A (GB)
Title: Improvements in or relating to culinary utensils
IPC: A47J37/10
Filed: 1924-02-08
Abstract: 233,428. Hunter, E. M. Feb. 8, 1924. Heating and cooking vessels; frying-pans.-A partitioned pot or pan a is supported and adapted to be rotated upon ball or roller anti-friction bearings c mounted in a ring-like frame b. The pan may be turned by engaging a loose handle member with the external ribs or webs e.
Patent GB-369330-A (GB)
Title: Plant for the treatment of moist fuels
IPC: B03B1/02
Filed: 1931-02-03
Abstract: 369,330. Drying and grinding fuel. ALLGEMEINE ELEKTRICITATS-GES., 2, Friedrich Karl-Ufer, Berlin. Feb. 3, 1931, No. 3429. Convention date, Oct. 15, 1930. [Class 59.] In a plant for disintegrating moist fuel, a preliminary drying is effected in a mill through which the fuel passes on its way to the main mill. Moist fuel enters a preliminary mill 1 through a hopper 2 and is dried and carried off by hot gases supplied through pipes 4, 3, to a separator 7 from which coarse material falls back to the mill 1 through a pipe 8 and the fines are delivered through a pipe 6 to a cyclone separator 9. The material deposited in the separator 9 is fed to a main mill 10 the fines from this mill being discharged in a current of hot air supplied by the pipe 4 to a separator 12 and thence by a pipe 13 to a fan 11 for discharge to burners or storage, The fan 11 may be connected to the cyclone 9 by a pipe 14. The mill 1 may supply a number of mills such as 10.
Patent GB-1410434-A (GB)
Title: Hydrostatic bearing assembly
IPC: B24B57/00
Filed: 1973-01-23
Abstract: 1410434 Bearings G J WATT 23 Jan 1973 [31 Jan 1972] 3453/73 Heading F2A A hydrostatic bearing assembly comprises a housing 11 having a truncated hemispherical recess 12 from which leads a cylindrical bore 16 whose axis passes through the centre of the hemisphere, the bore opening into a plane surface 15 of the housing, the hemispherical surface, the cylindrical surface and the plane surface journalling a corresponding shaft 17, fluid being supplied under pressure between the cylindrical surfaces from where it flows to the other clearances. The bearing surfaces on the shaft may be imperforate flexible membranes supported by the shaft at their peripheries.
Patent GB-657185-A (GB)
Title: Improved procedure for the extrusion of magnesium-base alloy metal billets having a temperature gradient
IPC: B21C29/00
Filed: 1949-02-08
Abstract: 657,185. Extruding. ABBEY, A. (Dow Chemical Co.). Feb. 8, 1949, No. 3455. [Class 83 (iv)] In order to prevent air becoming entrapped in the extruded metal during the direct extrusion of a billet, the billet is pretreated so that it has a temperature gradient extending from a hot working temperature at the end adjacent the die to a materially lower temperature at the other end. On the application of extrusion pressure by the ram 6, the billet 4 is upset progressively from the forward end backwards, and any air in the chamber 5 is expelled rearwardly around the billet and ram. The temperature gradient is preferably obtained by heating the billet to a uniform temperature and then chilling it at one end, as by standing it on end in a shallow pool of water. For a billet of a magnesium base alloy a temperature gradient of at least 20‹ F. per inch is desirable, one end being at a temperature between 650‹ and 850‹ F. and the other end below 250‹F.
Patent GB-1206826-A (GB)
Title: Fluid pressure actuated friction clutch or brake
Inventor: STOECKICHT ALEXANDER
IPC: F16D25/04
Filed: 1968-01-23
Abstract: 1,206,826. Friction clutches and external shoedrum brakes; toothed gearing; fluid-pressure brakes. A. STOECKICHT. 23 Jan., 1968 [7 Feb., 1967], No. 3476/68. Headings F2C, F2E, F2F and F2Q. In a fluid pressure engaged, spring released, friction clutch or brake for change speed or reverse gearing or, particularly, planetary gearing (e.g., as shown, for braking a ring of a sunring train), wherein friction shoes 3 disposed in a ring are radially inwardly urged into engagement with a drum 1 by fluid pressure admitted through a pipe 17 to an annular cylinder 25 of a housing 6 and acting on the shoes via an endless rubber sealing piston 13 and shoe-gap-closing overlapping thin steel alternating segments 14, 15, the friction force is transmitted from each of the shoes 3 to the housing 6 by two radial guide pins 5 radially guided in the housing 6 by their shafts and having square heads guidingly extenping into an axially extending groove 5a in the shoe, the shoes being thereby self-adjusting for adaptation to assembly error or to transitory or permanent changes in the form of the drum and/or shoes. The segments 14, 15 have respectively vaulted and plane inner surfaces, bevelled edges, and pins 16 by which they are axially guided in the grooves 5a. The shoes 3 are held disengaged by radially movable bolts 9 each of which, by a coned head thereof, engages correspondingly shaped walls of opposing grooves 9a in adjacent circumferential ends of the shoes, and is acted on, via a nut 12, by a spring 10 reacting on a housing shoulder 18. A thick sinter material friction lining 4 is sintered on each shoe. The housing 6 is undivided and is closed by a divided lid 8 which together with a housing lip 7 allows axial clearance for the shoes. After removal of the lid 8 the shoes may be replaced individually. Cooling oil may be fed (Fig. 4, not shown), through a pipe (19), an annular passage (26) in the lid 8, and bores (20), (22) in the housing and the adjacent pins 5, to the grooves 5a, apditional oil distribution being effected by way of outer circumferential grooves (21) in the shoes.
Patent GB-340160-A (GB)
Title: Clamping clip for packing hoses and pipes
IPC: F16L33/04
Filed: 1930-02-01
Abstract: 340,160. Band clips. POST, W., 34, Mylinghauserstrasse, Gevelsberg, Germany. Feb. 1, 1930, No. 3486. [Class 44.] A clamp for securing hoses and pipes consists of a band 2 having two convolutions of resilient material, having at its outer end a bracket 3 with a pivoted screw 4. The band is tightened by means of the nut 6 when the washer 7 is in engagement with the bifurcated bracket 8 secured to the inner convolution of the band at a certain distance from its end. The edges of the washer are bent down to prevent any lateral displacement of the screw 4, and the projection 10 on the bracket 8 prevents the screw from slipping upwards. Where the band is wide, as in a clamp for securing hoses joined by a sleeve, the bracket on the inner convolution passes through a slot in the outer convolution.
Patent GB-715707-A (GB)
Title: Improvements in or relating to method of making sponge material and resulting product
IPC: C08J9/30
Filed: 1952-02-11
Abstract: Sponge material is prepared by forming dispersed bubbles in a solution of polyvinyl alcohol containing less than 10 per cent. residual hydrolyzable material in the molecule, and a foaming agent, reacting the alcohol with formaldehyde using an acid catalyst having a dissociation constant of at least 10-2, e.g. sulphuric acid, the reactants being maintained in a mould during the reaction, and using granular paraformaldehyde as at least some of the formaldehyde.  The paraformaldehyde preferably has a particle size of 8 to 75 mesh. Specifications 573,966 and 682,313 are referred to.
Patent GB-241436-A (GB)
Title: Improvements in axles, shafts, rods, and bars
IPC: F16C3/02
Filed: 1925-02-09
Abstract: 241,436. Bland, J. Feb. 9, 1925. Shafts. - Axles. crank and other shafts are made by twisting a bundle of round, square, or other shaped steel or other metal rods to rope form. One or more rods may be of copper or alloy. The. finished shaft may be bound by wire &c. to prevent untwisting on reversal, or may be enclosed in a steel tube and the interstices filled with lead, Portland cement, &c. The shaft may be passed hot or cold through shaping-rollers to give it any desired conformation.
Patent GB-969763-A (GB)
Title: Improved catalysts for the polymerization and copolymerization of mono-olefins and di-olefins
IPC: C08F4/70
Filed: 1960-12-29
Abstract: A polymerization catalyst component is made by reacting a dry, finely divided metal or metaloid oxide, e.g. silica, alumina, titania zirconia, thoria, magnesia, silicates or aluminates, of particle size less than 1 micron, having surface hydroxyl groups, with a Group VIIA or VIII metal halide or oxyhalide at 0-300 DEG  C. in an inert liquid hydrocarbon while removing the gaseous hydrogen halide.  Numerous examples of reactants are given. Specifications 969,762, 969,764, 969,765, 969,766 and 969,767 also are referred to.ALSO:A polymerization catalyst suitable for up to C8 mono- or di-olefins and mixtures thereof is obtained from a Group VIIa or VIII metal halide or oxyhalide which has reacted under specified conditions (see Division C1) with a dry metal or metaloid oxide of particle size less than 1 micron, and a Group I, II, III metal hydride or organometallic compound which may contain more than one metal and/or halogen. Specified metal/metaloid oxides include silica, alumina, titania, zirconia, thoria, magnesia, silicates and aluminates.  Numerous examples of reactants are given and polymerizations are also illustrated.  Specifications 969,762, 969,764, 969,765, 969,766 and 969,767 also are referred to.
Patent GB-975901-A (GB)
Title: Improvements in or relating to cleansing devices for pipes and ducts and storage andtransport containers
IPC: B08B9/093
Filed: 1961-01-31
Abstract: 975,901. Cleaning pipes. P. HAMMELMANN. Jan. 31, 1961 [Feb. 1, 1960; March 11, 1960; March 16, 1960], No. 3608/61. Heading F2N. [Also in Division A4] A device for cleaning pipes and conduits comprises a nozzle head for the discharge of fluid under pressure obliquely either forwardly or rearwardly and provided with a piston and cylinder device actuated by the fluid pressure to change the direction of discharge from forwardly to rearwardly or vice versa. In one embodiment cleaning fluid supplied under pressure to a conduit B in the nozzle -head is bled through an orifice 43 to the left-hand side of a fixed piston 4 in a cylinder C slidable on the pipe B. The cylinder C is thus moved to the left and carries therewith a nozzle A so that an outer part 36 of the latter is pivoted through 180 degrees by the engagement of pinion 33 with rack 33a. A valve 6 controlling a passage through the piston 4 is opened when its stem is engaged by the cylinder end wall 3, and the movement of the cylinder C and of the nozzle-piece 36 is then reversed. When the cylinder C moves to the left its end 11 strikes a push-rod 29 carrying a pawl 28 which engages a ratchet to rotate a worm 27 engaging a worm-wheel 19 integral with the feed inlet pipe to the nozzle-head. The worm 27, gear housing D, and an extension 32 therefrom to which the cylinder C and nozzle A are secured all rotate through a small angle about the gear 19 each time the end 11 strikes the push-rod 29. In a second embodiment a piston within the nozzle-head is reciprocated by the fluid pressure to open alternately two sets of nozzle outlets, one directed obliquely forward and the other obliquely rearward.
Patent GB-457239-A (GB)
Title: Insulators for carrying h.f. coils with iron cores
IPC: H01F17/04
Filed: 1936-02-07
Abstract: 457,239. Inductances. MICHAELIS, E., 73, Oxford Terrace, Hyde Park, London. Feb. 7, 1936, No. 3752. Convention date, Feb. 11, 1935. [Class 37] An insulating coil holder a for a high frequency ironcored coil is formed with a screw neck i which is screwed or passed through a hole in a panel k and secured by a nut l. The neck may be internally threaded to receive a screw h for adjusting the core e. The Specification as open to inspection under Sect. 91 comprises also holders having other provisions such as apertured lugs whereby they may be secured to a support by screws. This subject-matter does not appear in the Specification as accepted.
Patent GB-940396-A (GB)
Title: Process for polymerising butadiene to cis-1,4-polybutadiene
IPC: C08F136/06
Filed: 1961-02-01
Abstract: 940,396. Butadiene polymerization. MONTECATINI SOC. GENERALE PER L'lNDUSTRIA MINERARIA E CHIMICA. Feb. 1, 1961 [March 18, 1960], No. 3848/61. Heading C3P. Butadiene is polymerized to cis-1,4,-polybutadiene using as catalyst a mixture of a dialkyl aluminium monohalide and a cobalt derivative of an aliphatic polyketone (e.g. cobalt diacetylacetonate) plus A1RR<SP>1</SP>X (as a regulator) wherein R is an alkyl or alkoxy group, R<SP>1</SP> is an alkoxy group and X is a halogen atom. Specified compounds AlRR <SP>1</SP>X are Al(C 2 H 5 ) (OC 2 H 5 ) Cl, Al(OC 2 H 5 )Cl, Al(i-C 4 H 9 ) (O-i-C 4 H 9 )Cl and Al(O-i-C 4 H 9 )Cl. and the amount may vary from 0À2 to 3 parts by weight of AlRR<SP>1</SP>X to 1 part of the mixture of a dialkyl aluminium monohalide and cobalt diacetylacetonate. Polymerization may be carried out in aromatic solvents, e.g. benzene, toluene or xylene, and the catalyst components may be added in any order.
Patent GB-701572-A (GB)
Title: Improvements relating to filling machines
IPC: B65B1/12
Filed: 1950-02-15
Abstract: 701,572. Hopper delivery. SMITH, A. R. Dec. 27, 1950 [Feb. 15, 1950], No. 3849/50. Class 78 (1) Materials which are liable to clog are fed to a filling machine from a hopper a by screw e formed in concave form between its flights, there being provided a stirrer h, which rotates with the screw, and stirrer f which is carried coaxially and rotates in the opposite direction.