baber/WOPTO huggingface dataset:
Patent GB-678699-A (GB)
Title: Improvements in edge tacking machines with rubbing mechanism
Inventor: CARLSSON ERIK WILLIAM
IPC: D05B27/10
Filed: 1951-04-24
Abstract: 678,699. Sewing - machines. CARLSSON, N. R. L., and CARLSSON, S. E., (trading as SYMASKINSVERKSTADEN SPECIAL RUNE OCH S. E. CARLSSON). April 24, 1951, No. 9502/51. Class 112. In an edge-basting machine in which the upper and lower rubbing members 27, 14 are reciprocated in opposite directions by connections from a lever 19, the upper member is mounted on a carrier 26 which can be lifted and turned out of the operative position. The machine shown is similar to that described in Specification 679,088 except that the upper rubbing member 27 (which is duplicated as well as the lower member 14) is carried by a rod 26 slidable vertically in a guide 24 which is pivoted near the top at 25 and is connected to the lever 19 by a bar 22 whereby the member 27 is reciprocated. The bar 26 is pressed down by a spring within the guide 24, and may be lifted by a finger-piece 32, which also adjusts its lower position until a pin 31 on the rod, moving in a vertical slit in the guide, can enter a lateral part 30 of the slot to hold the bar raised; in this position the bar is of course rotated from its original position and the rubber member is correspondingly swung clear of the work as well as lifted. A pin 35 on a lever connected to the presser-bar lifts the carrier 26 while the work is fed.
Patent GB-474206-A (GB)
Title: Improvements in and relating to washing machines
IPC: D06F37/24
Filed: 1937-04-03
Abstract: 474,206. Vibration-dampers. BRITISH THOMSON-HOUSTON CO., Ltd. April 3, 1937, No. 9532. Convention date, April 3, 1936. [Class 108 (iii)] [Also in Group II] In a washing-machine having a centrifugal hydro-extractor, resilient means are provided for supporting the machine in combination with parallel vibration - damping means which are ineffective for small amplitudes of vibration. Each support consists of a castor with spindle 65 carrying a nut 67 engaged by spring 68 for supporting the machine ; for large vibrations, a friction ring 70 having a tight fit within the sleeve 64 engages with lost motion either the nut 67 or a flange 71 on a sleeve 72, threaded on the spindle 65. Specifications 452,402 and 472,149, [both in Group VIII], are referred to.
Patent GB-255138-A (GB)
Title: An improved means of controlling the supply of heat to regenerative heat engines
IPC: F02G1/043
Filed: 1925-04-14
Abstract: 255,138. Anderson, W., and Brown, W. April 14, 1925. Drawings to Specification. Engines working on special systems or cycles; vapour engines.-In engines of the kind having a displacer which works in a cylinder the ends of which are kept at different temperatures, and wherein the hot end is heated intermittently, such as that described in Specification 229,235, the heating is effected by the intermittent combustion of coal dust, oil, gas, &c. in contact with the cylinder, the supply of the fuel or of both the fuel and the air being controlled by the engine, or by the intermittent passage of combustion gases from an external source, the flow of gases being controlled by a damper located at the cold end of the flue and operated by the engine.
Patent GB-1156423-A (GB)
Title: Collapsible Steering Column
Inventor: BRADBURY FRANK
IPC: B62D1/19
Filed: 1967-02-08
Abstract: 1,156,423. Collapsible steering columns. S.T.O. SERVICES Ltd. 8 May, 1968 [8 Feb., 1967; 1 March, 1967], Nos. 5922/67 and 9662/67. Heading B7H. [Also in Division F2] A collapsible steering outer column comprises two coaxial metal tubes 12, 13 of different diameters connected together in such a manner that when an excessive axial compressive force is applied, the material of the wall of one or each tube, which is of ductile metal, rolls back on itself in the manner of a rolling diaphragm thereby absorbing energy. One of the tubes may be made more readily deformable than the other by suitable selection of the wall thickness or the provision of tapered or parallel sided slots 16. In Fig. 2 the tube 13 has outturned end portions 15, of the resultant tongues 17, which are secured to the other tube 12. In Fig. 7, the deformable tube 22 is a sleeve secured to a third tube 18 and is secured intermediate the ends of another tube 20 by its turned back tongue ends 25. The column may comprise three tube sections 12, 13, 14 with two deformable portions surrounding a steerng shaft 9 (Fig. 1) and may carry one or spaced bearing sleeves for the steering shaft and/or steering wheel.
Patent GB-436214-A (GB)
Title: Improvements in the manufacture and production of amines
Filed: 1934-03-28
Abstract: Amines are prepared from aldehydes or ketones by treatment with hydrogen and ammonia at a raised temperature and pressure in the presence of a catalyst comprising an oxygen-containing or sulphur-containing compound of a heavy metal which is practically not reduced to metal under the working conditions.  Amines are prepared also from oximes, or from compounds of the type of Schiff's bases derived from aldehydes or ketones by condensation with primary amines, by treatment with hydrogen at a raised temperature and pressure in the presence of a catalyst as defined above, but in the presence or absence of ammonia.  Specified catalysts are (a) oxides of metals of the sixth periodic group and sulphides of metals of the sixth and eighth periodic groups, including tungsten oxide, molybdenum oxide, tungsten disulphide, molybdenum disulphide, and mixtures of sulphides of tungsten and (or) molybdenum with sulphides of iron, cobalt or nickel; (b) salts of tungstic acid and (or) molybdic acid, e.g. the alkali or alkaline earth salts; (c) complex compounds of these acids, e.g. their reaction products with chromium trioxide or chromium oxide, or phosphotungstic or phosphomolybdic acid; the catalysts may be mixed with small proportions of activating substances, e.g. sodium hydroxide, calcium oxide or barium oxide; carriers such as pumice stone, aluminium oxide or aluminium silicate may be employed; binding agents such as china clay or zinc phosphate (useful also as a catalyst) may be present.  Specified starting materials are acetaldehyde, hexylaldehyde, isohexylaldehyde, cetyl aldehyde, cinnamic aldehyde, acetone, dipropyl ketone, octadecyl methyl ketone and their oximes, and lauric aldehyde.  The reaction is preferably effected at 200--400 DEG  C. under a pressure of more than 50 atm.  The waste gases from the synthesis of ammonia, or the circulating gas used therein, may be used as the source of hydrogen. In the examples, (1) acetone, ammonia and hydrogen are passed at 320 DEG  C. and 200 atm. pressure over nickel sulphotungstate; mono- and di-isopropylamine are obtained; acetone oxime may be converted similarly into the same products; (2) isohexylaldehyde (2-methylpentenal), ammonia and hydrogen are brought to reaction as in example 1; mono- and di-isohexylamine are obtained; isohexylaldehyde oxime may be similarly treated. Specifications 304,640, [Class 2 (iii)], 365,214; and 412,914 (as open to inspection under Sect. 91) are referred to.
Patent GB-774587-A (GB)
Title: Protecting means for working materials
IPC: F16L58/16
Filed: 1953-04-09
Abstract: 774,587. Anti-corrosion wrappings. GRAU, F. April 9, 1953 [April 9, 1952], No. 9690/53. Class 140. A protective covering for metal, e.g. buried pipes, comprises a lastingly plastic corrosionproofing substance upon a carrier which is an easily deformable foil of a high polymer, other than polyethylene or other similar synthetic macromolecular paraffin hydrocarbon of high molecular weight, which is impervious to water, free from water, has no capillary action, no liability to swelling, and is not subject to biological attack, e.g. polyvinyl chloride, polyvinyl acetate, or polyurethane. The lastingly plastic corrosion-proofing substance is based on soft paraffin hydrocarbons. Highly unsaturated hydrocarbons, or natural or synthetic resins, may be added to the substance to improve the adhesion, and the substance may also include inert fillers, agents to raise the melting point, and corrosion inhibiting, colouring, and bactericidal, fungicidal, or insecticidal agents. Foils below 90 Á thick may be readily deform. able without a plasticizer, although a plasticizer may be used with thicknesses greater than 40 Á A plasticizer is unnecessary with polyurethane of the thickness used. Other means of obtaining requisite deformability in the foils include adding a plasticizer to the lastingly plastic substance, brushing plasticizer on the foil before the substance is applied, using a foamed foil, or embossing, folding or creping the foil to give a waved, rippled or ridged formation, and possibly a plurality of such deformations may be used to give yield in more than one direction. To increase adhesion, the surface of the foil may be mechanically roughened or covered with fibres or inert powder which are rolled into the foil, while softened during production or by heating, or applied in suspension in a softener for the foil. Intermediate layers to increase the protection may be included, e.g. metal foils, fabrics, or fleeces.
Patent GB-706532-A (GB)
Title: Improvements in and relating to beater ejectors for kitchen mixers
IPC: A47J43/044
Filed: 1952-04-17
Abstract: 706,532. Mixing appliances BRITISH THOMSON-HOUSTON CO., Ltd. April 17, 1952 [April 17, 1951], No. 9703/52. Class 86 In an electric mixer wherein theaters are resiliently retained in driving relationship with the driving spindles, each beater has a projecting member affixed to its shaft in a position adjacent the driving spindle, and an ejector for the heaters is rotatably mounted upon the power unit and has ejecting fingers which engage the projecting members on the beater shafts, a separate manually operable lever being adapted to engage the ejector so as to cause its rotation to eject the beaters, through movement of the ejecting fingers. In an electric mixer having a power unit 42, Fig. 5, and a rotatable speed control and ON-OFF control knob 48, the knob 48 is provided with a cam surface 49, Fig. 6, having an inwardly extending end cam portion 49b. Engaging the cam surface 49 is a cam follower 57a which comprises a projection extending from a cam lever 57 which is coupled to a shaft 51 rotatably mounted in the power unit. To the shaft 51 are secured fingers 60, one adjacent each. driving spindle 46, which have end portions 65 engagable with flanges 62 on the beater shafts 44. When the knob 48 is rotated into and beyond the OFF position the cam follower 57a is moved inwardly by the end cam portion 49b, thus rotating the shaf 51 whereby the ends 65 of the fingers 60 move downwardly against the flanges 62 to eject the beater shafts 44 from the driving spindles 46. In an alternative construction, Figs., 1-4 (not shown), the ejector fingers are secured to a shaft separate from the cam lever shaft and are actuated by a finger extending from the cam lever shaft. Specification 675,390 is referred to.
Patent GB-558685-A (GB)
Title: Improvements in or relating to course and speed calculating apparatus for use with aeroplanes
IPC: G06G3/00
Filed: 1942-07-13
Abstract: 558,685. Course-recording apparatus. ARON ELECTRICITY METER, Ltd., and RIORDAN, E. J. July 13, 1942, No. 9705. [Class 97 (ii)] In course-recording apparatus in which one side of a triangle is set to represent the wind speed and direction, a second side the air speed and direction of an aeroplane and the remaining third side giving the ground speed and direction the said third side is constructed as a flexible tape or cord which may be graduated to give direct readings. As shown in order to set the apparatus for wind and air speeds and directions ring discs 2, 3, 5, 7 are mounted concentrically the ring 2 being fixed to the base plate and the ring 7 mounted on a shaft 9. The rings are graduated as shown and are normally clutched together but may be declutched and rotated by pressing and rotating the winding knob 17, 18 or 19. The shaft 9 carries a crown wheel 10, Figs. 3, 4, operating a screw spindle 12 carried in a fork 13 having a hollow shaft 14 connected to ring 5. The spindle 12 has thereon a nut 21 to which is connected one end of the flexible tape 24 the other end of which passes over a pulley 34, Fig. 3, and is connected to a spring drum 30 mounted on a spindle 38. A second screwed spindle 26 is provided which is rotated by bevel wheels 33 and a hand wheel to operate a nut 28 having a pair of rollers or pins 29 between which the tape 24 passes and the spindle 26 is operated so that the distance of the nut 26 from the shaft 9 represents the air speed of the plane. In operation the ring 7 is declutched and rotated by knob 9 so that the datum mark 8 indicates the wind speed in miles per hour on the scale. Releasing the knob 19 immediately causes the rings 5, 7 to be in clutch again. Knob 18 is operated to declutch ring 5 from ring 3 and rotate the rings 5, 7 until the datum mark 6 indicates the direction of the wind. Finally ring 3 is declutched from ring 2 and operated by knob 17 until datum mark 4 indicates the heading of the aeroplane. The tape 24 will then be displaced for example, as shown at c the ground speed being directly read off the tape as it emerges from the rollers 29 and the drift angle will be shown by finger 36 which is operated by the angularity of the tape 24 canting a frame 37 pivoted to the nut 28. The spring drum 30 and spindle may operate an indicator 40, Fig. 1, to show the component of the wind speed which affects the ground speed.
Patent GB-1221995-A (GB)
Title: Improvements in and relating to process and apparatus for obtaining ammonium sulphate from gypsum
Inventor: WITTE JOHAN F
IPC: C01C1/244
Filed: 1968-02-28
Abstract: 1,221,995. Ammonium sulphate. CONTINENTAL ENG. INGENIEURSBUREAU VOOR DE PROCESINDUSTRIE N.V. 28 Feb., 1968, No. 9728/68. Heading C1A. Ammonium sulphate is prepared by passing an aqueous solution of the same, to which has been added finely-divided gypsum, into a recycling apparatus comprising a vessel 7 and conduit 11. A circulating flow is established in the apparatus whereby the aqueous solution is discharged from the top of the vessel and returned to the bottom. NH 3  and CO 2  are introduced into the conduit at closely spaced points 12, 13 to react with the gypsum to produce (NH 4 ) 2 SO 4  and CaCO 3 . Product (NH 4 ) 2 SO 4  is removed from the recycling apparatus at the top 17 of the vessel. The reactants are cooled at 15 before they enter the vessel 7. The product liquor is diluted with saturated (NH 4 ) 2 SO 4  and directed to a cooled crystallizer 21, where the product crystals are collected in a vessel 28. The CaCO 3  produced is collected on a drum filter 31.
Patent GB-857101-A (GB)
Title: Improvements in or relating to glass tubing for the manufacture of bulbs and to apparatus for producing such tubing
IPC: C03B23/11
Filed: 1958-03-26
Abstract: 857,101. Glass manufacture. PELLETIER, G., and FINCK, M. March 26, 1958 [April 25, 1957], No. 9745/58. Class 56. A stock piece of glass tubing of great length, adapted to be used in bulb-making machines for forming bulbs by treatment of successive sections of its length when placed vertically in the machine, has one end closed and the other end open by a small orifice, whereby it is strengthened during manipulations by the closed end and released from overpressures during bulb making by the small orifice arranged uppermost and acting as an outlet for rising hot hair. Open lengths of tubing 10 are conveyed by a ramp 13 from a drawing machine 14 to a vertical conveyer 15 which receives them in uniformly-spaced holding means such as jaws. A conveyer 16 moving at the same spe as conveyer 15 carries drawing clamps 17 each side of the tubing 10 and controlled b springs 18 and cams 19 to move the clamps apart to draw the tubing where it is softened adjacent each end at 35 by burners 20, to close the tube. Knives 36 are arranged to separate the ends 26 sharply from the main tube, the ends being deposited in shoots 25. The row of burners 20 move with the tubing 10, each burner comprising two semi-circular elements all mounted on two oscillating frames 21 which move upwards with the conveyers 15, 16 while the burner elements approach and surround the tubing 10 to soften the glass and have a rapid return travel with the burner elements separated. The frames 21 are carried by levers 22 rotating about spindles 23 in a complete circle, part of the movement being slow and the rest fast. One of the frames 21 also carries burners 24 to form a small hole at one end of the finished tube. The tube then passes through a cooler 27, a reheater 28 to anneal the tube and another cooler 29 and one end of the tube is then marked at a unit 30, similarly mounted to the burner unit, having spray guns 31 charged with colouring material, or plugs, rollers or other means for leaving a trace on the tube end as it passes, the mark being heated if necessary to render it indelible.
Patent GB-746837-A (GB)
Title: Improvements in apparatus for taking photographs and in cinematography
IPC: G03B17/08
Filed: 1953-04-10
Abstract: 746,837. Photo-electric photographic exposure meters. COUTANT, A. C. April 10, 1953 [April 16, 1952; May 23, 1952], No. 9758/53. Drawings to Specification. Class 40 (3). [Also in Group XX] Exposures for taking still or motion pictures are determined by means of the data obtained by'measuring with a photo-electric cell the brightness of chosen parts of an image formed on a ground glass screen. In a still or motion picture camera having a reflex viewfinder, or a still camera employing a focusing screen, a photo-electric cell of small dimensions may be mounted close to the ground glass focusing screen on the same side as the objective upon a joystick device to enable the brightness of any part of the screen to be measured. As the photo-cell is movable across the field of view of the operator, it is mounted on a transparent arm to avoid abscuring the view.
Patent GB-1309911-A (GB)
Title: Control of the temperature of tools for glassforming machines
IPC: C03B9/38
Filed: 1970-03-02
Abstract: 1309911 Heat pipes HERMANN HEYE 2 March 1970 [18 March 1969] 9806/70 Heading F4U [Also in Division C1] Heat pipes are used to control the surface temperature of a glass forming machine tool such as a mould or press die. Materials suggested for the tool walls are nickel or nickel-chromium steel and for the capillary structure nickelchromium steel, the structure being (1) wire mesh, (2) sintered, porous nickel-chromium steel wicks or (3) wire mesh with an annular or other gap between it and the tool wall. The volatile heat transfer mediums suggested are Na, K or Cs. Operating temperatures required are in the range 400 to 700 C.
Patent GB-1453585-A (GB)
Title: Process for the preparation of carbonyl diisocyanate
IPC: C07C239/00
Filed: 1975-03-10
Abstract: 1453585 Carbonyl di-isocyanate; diethyl ether BAYER AG 10 March 1975 [12 March 1974] 9811/75 Heading C2C Carbonyl di-isocyanate (CO(NCO) 2 ) is obtained by reacting trichloroisocyanuric acid and/or at least one alkali metal salt of dichloroisocyanuric acid with phosgene at from 150 to 200 C. Absolute solvents, e.g. diethyl ether, may be obtained by using carbonyl di-isocyanate as a dehydrating agent.
Patent GB-762396-A (GB)
Title: Improvements in or relating to apparatus for measuring small distances
IPC: G01B7/14
Filed: 1954-04-02
Abstract: 762,396. Electric measuring systems. WAYNE KERR LABORATORIES, Ltd., and CALVERT, R. April 4, 1955 [April 2, 1954], No. 9818/54. Class 40 (1). [Also in Group XXXVI] Apparatus for measuring small distances comprises an electrical bridge for comparing two capacities, one formed by a first pair of electrodes movable towards and away from one another by calibrated adjusting means, and the other formed by a second pair of electrodes. movable towards and away from one another and of effective electrical area which is a known small fraction of that of the first pair, whereby, when the bridge is balanced, the spacing of the second pair of electrodes is a known fraction of that of the first pair. The second pair of electrodes may be formed by a probe and a gauge to be tested, and the probe and a master gauge successively. In Fig. 1 the ratio arms of the bridge are formed by the two secondary windings 12, 13 of a transformer 10, the primary 11 of which is fed from an alternating current source. The neutral line 14 is connected to one end of a winding 15 the other end of which is connected to electrodes 22, 23 of the pairs 20, 21. The remaining electrodes 26, 27 of the pairs are connected to the free ends of windings 12, 13. The electrodes of pair 21 are composed of a small plate 23 and a large plate 27, the small plate being surrounded by a guard ring 25 connected to the neutral line 14. The plates are relatively movable by a micrometer reading to one inch in ten thousandths. Similarly a large electrode 26 co-operates with a small probe electrode 22 surrounded by a guard ring 24 connected to the neutral line 14. The effective area of plates 22, 26 may be one hundredth of that of plates 23, 27. The output of winding 17 is fed to a detector 18 to indicate out-of-balance of the bridge. To test a gauge, the probe 22 is placed a convenient distance from the surface of the gauge, which is connected to act as electrode 26. The bridge is then balanced by the micrometer. The standard gauge is substituted, and the bridge rebalanced. The difference between the two micrometer readings is then one hundred times the difference between the gauge dimensions. The probe is arranged on the end of the inner conductor of a screened cable, the screen being connected to the guard ring.
Patent GB-835848-A (GB)
Title: Process of forming phosphate solutions
IPC: C05B11/08
Filed: 1958-03-27
Abstract: High-grade Florida phosphate rock is solubilized with aqueous sulphuric acid to form a phosphate solution relatively free of aluminium and fluorine in which 1.9 to 2.1 parts by weight of sulphuric acid are employed for each part by weight of P2O5 in the rock, together with 1700 to 2500 parts by weight of water for each 1000 parts of phosphate rock, and in which there is added to the acid at least 0.6 parts mol. per 1000 parts water of at least one of the following alkali-metal salts: chlorides, sulphates, and orthophosphates of sodium and potassium.  The reaction is carried out at not above 80 DEG  C.  A water-soluble silicate may be added to the solution thus obtained, to precipitate remaining fluorine impurities. Dicalcium phosphate may be recovered from the solution by adding calcium carbonate, lime, or limestone, and the resulting mother liquor employed in a subsequent solubilization.  Prior to solubilization, the rock may be wetted with an aqueous solution of the alkali-metal salts.  Preferably the acid solution contains 280 to 400 parts of sulphuric acid per 1000 parts water.ALSO:High grade Florida phosphate rock is solubilised with aqueous sulphuric acid to form a phosphate solution relatively free of aluminium and fluorine, in which 1,9 to 2,1 parts by weight of sulphuric acid are employed for each part of P2O5, together with 1700 to 2500 parts of water per 1000 parts of phosphate rock, and in which there is added to the acid at least 0,6 parts mol. per 1000 parts water of at least one of the following alkali metal salts: chlorides, sulphates, and orthophpophates of sodium and potassium.  The reaction is carried out below 80 DEG C.  A water soluble silicate may be added to the solution thus obtained to precipitate remaining fluorine impurity. Dicalcium phosphate may be recovered from the solution by adding calcium carbonate, lime or limestone, and the resulting mother liquor employed in a subsequent solubilisation.  Prior to solubilisation, the rock may be wetted with an aqueous solution of the alkali-metal salt.  Preferably the acid solution contains 280-400 parts sulphuric acid per 1000 parts water.