baber/WOPTO huggingface dataset:
Patent GB-982830-A (GB)
Title: Improvements in or relating to automatic dish washing machines
IPC: A47L15/48
Filed: 1964-01-29
Abstract: 982,830. Dish-washing machines. SIEMENS-ELECTROGERATE A.G. Jan. 29, 1964 [Jan. 31, 1963], No. 3884/64. Heading A4F. In an automatic dish washing machine having a programmed operating cycle and a motor-driven discharge pump means are provided for removing steam present in the washing chamber of the machine. In the example shown, washing liquid is circulated to sprays 5, 6, 7 by a circulation pump 4 and steam collecting in the upper portion of the washing chamber 1 is removed through a suction opening 8 by a suction fan 9. The steam is condensed on the walls of pipes 10, 11 and returned to the washing chamber 1. In a further example suction slots are provided adjacent to the door of the machine, outside the washing chamber. In another example steam is removed by a suction pump mounted similarly to the example shown and by a curtain of water directed on to a wall of the washing chamber by a spray pipe connected to a fresh water conduit of the machine. It is suggested that a cooling coil may be used to precipitate the steam and that the fresh water conduit supplying the cooling coil or spray pipe may be provided with a valve controlled by the programme control mechanism of the machine.
Patent GB-647976-A (GB)
Title: Improvements in bearings for rectilinear motion
Inventor: PERNETTA CHARLES
IPC: E05D15/06
Filed: 1948-02-10
Abstract: 647,976. Bearings. BECKETT, LAYCOCK & WATKINSON, Ltd. Feb. 10, 1948, No. 3915. [Class 12 (i)] [Also in Group X] In a rectilinear motion bearing as for supporting a sliding door and comprising a runner bar - 16 spaced from a stationary track 10 by opposed balls or rollers 13, 14, damage to a spacing cage 17 by impact with either a track stop 30 or with the runner bar 16 at the end of its travel is prevented by a cage stop 19. This is connected with the cage 17 only by the balls or rollers, through which possible cage misalignment is corrected, and it comprises either a solid block or a box-like member formed from a sheet metal blank having its sides so tongued and recessed as to convey the impact.
Patent GB-1419172-A (GB)
Title: Rotary positive displacement device
IPC: F01C1/20
Filed: 1973-07-10
Abstract: 1419172 Rotary positive-displacement fluidmachines R W BRUNDAGE 10 July 1973 [31 July 1972] 4007/75 Divided out of 32938/73 1419171 Heading F1F The subject-matter of this Specification is identical with that described in Specification 1419171, but the claims are concerned with a machine having a rotor, a rotary abutment member co-operating with the rotor, a bearing sleeve for a shaft portion of said member, and an annular seal between said sleeve and a portion of a housing wall defining an opening into which the shaft portion extends.
Patent GB-572069-A (GB)
Title: An improved manufacture of substantial pure aromatic hydrocarbons
Filed: 1941-03-27
Abstract: <PICT:0572069/IV/1> Aromatic hydrocarbons are separated in pure condition from hydrocarbon oils containing them by the following process: (a) the fraction of the oil having a boiling range approximating to the boiling point of the aromatic hydrocarbon is extracted with from 60 to 300 per cent by volume of a solvent having preferential solvent power for aromatic hydrocarbons at a temperature below 0 DEG  F.; (b) the extract of the aromatic hydrocarbon thus obtained is washed in counter-current at a temperature between - 20 DEG  and - 60 DEG  F. with from 50 to 150 per cent by volume of a highly paraffinic hydrocarbon oil having a boiling range well outside the boiling range of the aromatic hydrocarbon; (c) the solvent and paraffinic hydrocarbon are removed from the washed aromatic hydrocarbon, which is finally fractionated.  The process is described, with reference to the Figure, using a fraction boiling between 200 and 250 DEG  F. for the production of pure toluene.  The hydrocarbon fraction may be derived from products of distillation, cracking, reforming, hydrogenation or destructive hydrogenation of coals, tars, mineral oils, petroleum, shales, lignites, bitumens, pitches, brown coal, reduction products of carbon monoxide or dioxide with hydrogen or polymerisation, solvent extraction or alkylation products of gaseous or liquid hydrocarbons.  Synthetic mixtures containing aromatic hydrocarbons, paraffins, olefines and naphthenes may also be used.  The oil from tank 1 is distilled in still 5 to remove hydrocarbons boiling below 200 DEG  F. and a fraction boiling between 200 and 250 DEG  F. is obtained by distilling the remaining oil in still 8.  This fraction is collected in tank 10 and in tower 15 meets a countercurrent stream of liquid sulphur dioxide entering through line 16.  The raffinate is collected in still 18 and the aromatic extract is passed to a second tower 22 where it is washed with a countercurrent stream of a highly paraffinic hydrocarbon oil boiling between 350-400 DEG  F. supplied through line 23 which largely replaces the paraffins boiling at the same temperature as the aromatic hydrocarbon.  The second raffinate is passed to a still 25 and after removal of sulphur dioxide and the higher paraffin is recycled with fresh hydrocarbon to the tower 15.  The washed aromatic hydrocarbon passes to a still 30 and after removal of sulphur dioxide is distilled into a receiver 34 in which olefines are removed by treatment with sulphuric acid.  The resulting toluene is neutralised, washed and finally distilled in still 37.  When large quantities of olefines are present, they are preferably removed before the sulphur dioxide extraction.  The aromatic hydrocarbons may also be washed with a paraffinic solvent which boils below the boiling point of the aromatic hydrocarbon such as the pentanes.  Solvents other than liquid sulphur dioxide having a preferential solvent action for aromatic hydrocarbons are: phenol, aqueous phenol, cresols, nitrobenzene, furfural, aniline and b  : b -dichlorethylether.
Patent GB-152914-A (GB)
Title: Improvements in the manufacture of artificial pearls and jewellery
IPC: B44F9/08
Filed: 1920-02-11
Abstract: 152,914. Murakami, K. Feb. 11, 1920. Materials for jewellery; gems, imitation.-The eye lenses of fish or sea animals are boiled in water until solid, and the white coating of gelatinous matter removed by a solution of caustic soda. The hard crystalline lens so obtained, is transparent, and is washed with water and polished with common salt or sodium sulphate. These lenses may be prevented from breaking by a long immersion in formalin. They can be stored without damage by coating them with wax or gum. The gelatinous matter removed may be recovered and used for glue-making. The lenses are converted into imitation pearls by the precipitation of insoluble white metallic salts within their substance, and into artificial gems by the same method, using coloured salts, or by using a dye. The gems are rendered lustrous by a coating of equal parts of collodion and ether.
Patent GB-729680-A (GB)
Title: Improvements in methods and machines for the manufacture of stranded wire ropes and cables
IPC: D07B3/10
Filed: 1953-02-13
Abstract: 729,680. Making wire ropes. BRUCE, H. E. R. Feb. 13, 1953 [Feb. 14, 1952], No. 4172/53. Class 109. In a method of stranding steel &c. wires, the individual wires from the coils as received from the manufacturers, are preformed to substantially their final shape and are thereafter stranded together during a continuous rotation of the formed cable about its axis, the speed of rotation of the cable being less than the rotational speed of the stranding process to such an extent that the stresses induced in the preformed wires by the stranding operation are substantially eliminated in the finished cable. Wires 10 from coils 29 on reels 30 are drawn off and passed with a core of jute or hemp 9 through an apertured plate 8 to a device 11 for straightening the wires, such device comprising a series of small rollers 14 (not shown). The wires then pass through adjustably spaced apertured plates 15, 17, 18, whereby they are " preformed" and thence to the jaws of a device 22 wherein cabling is effected, the cable passing about a pulley 25, balanced at 26, in a rotating frame 19. The cable 28 now passes to a rotary cage structure 32, 46, 47 supported on rollers 50, the take-up drum 39 being disposed in a frame 33 which does not rotate. The motor 40 drives the frame 19 through shaft 42 and belt 44 ; and the structure 32 through the belt 45. As the structure 32 rotates, it turns gears 52, 53, supported by the frame 33, to drive the traction pulley 38 about which the cable is passed. The various driving gears may be altered so that the speeds of the frames 19, 32 and the traction pulley 38 may be adjusted to arrange that the stresses induced by stranding are eliminated and the wires resume their preformed shapes.
Patent GB-340438-A (GB)
Title: Improvements in scouring devices
IPC: A47L13/07
Filed: 1930-02-07
Abstract: 340,438. Scouring-appliances. MAYER, D. J., 201, Linden Avenue, Belleville, New Jersey, U.S.A. Feb. 7, 1930, No 4176. [Class 28 (ii).] An abrasive scouring device consisting of convoluted material looped upon itself, the centre portions of the looped material intermediate the free loop ends being bunched and bound together to form a consolidated heart from which the loop ends radiate in all directions to form a spheroidal body, is characterized by being attached to a handle. As shown, the binding is effected by a wire d which is twisted to form a shank e. The handle g has a concave seating h and the shank e is driven into the bore i until the wire d and the consolidated heart are drawn firmly into the seating h. Cement or glue may be used to secure the shank e in the bore i. The handle is undercut at j to receive the loops c and hold them resiliently against displacement when the mop is pressed laterally against a surface to be scoured. The coils are drawn out or attenuated where they are bound together, to form a well consolidated heart.
Patent GB-721086-A (GB)
Title: Improvements in and relating to a method for the production of a fashioned piece of linoleum and apparatus for use in carrying out the method
IPC: E04F21/00
Filed: 1953-02-16
Abstract: 721,086. Shirtings; stair treads; dust-shields for corners. TJORN, E. R., [trading as MEYER'S EFTF, E.]. Feb. 16, 1953 [Feb. 15, 1952], No. 4256/53. Classes 20 (2) and 20 (4). Linoleum pieces to be placed along, e.g., floor and wall adjoining surfaces, stair surfaces, &c., are prepared by milling or grinding out a furrow having two sides perpendicular to the face of the linoleum and gluing within it a preferably wooden list fitted to be in surface contact with the adjoining surfaces and with a rounded face adjacent the linoleum. Shaped linoleum pieces (Fig. 1) for use as skirtings are formed by first cutting out a channel as by rotary milling cutters and heating by placing over a heated tube or rod 3 the sides of the piece being supported by surfaces 7, 8. After glue is applied to either or both linoleum and a moulding 1, the moulding is pressed in position by an angle clamp 9. Urea-formaldehyde resin is preferred as the glue, an acid hardening agent being applied to one of the contact surfaces. A reversed form (Fig. 2) may be used for stair edges. The linoleum may be bent and suitably incised to fit into and round corners, a moulding being inserted at all the edges with joints being filled in with linoleum cement or small pieces of linoleum cemented together and shaped.
Patent GB-248355-A (GB)
Title: Improvements relating to the purification of gas
IPC: C10K1/12
Filed: 1926-02-15
Abstract: 248,355. Humphreys & Glasgow, Ltd., (Assignees of Fulweiler, W. H.). Feb. 27, 1925, [Convention date]. Materials and compositions for purifying gas; purifier waste, revivifying.-In the purification of gases containing hydrogen sulphide and carbon dioxide by scrubbing with a weak alkaline solution containing a soluble iron sulphide regenerated by aeration with air under pressure, a full precipitation of elementary sulphur is obtained by maintaining the concentration of thiosulphate in the solution at 20 grammes per litre and by limiting the absorption of hydrogen sulphide to 50 grains per gallon of solution. The efficiency of the reaction is promoted by maintaining about 4-16 times as much of bicarbonate or carbonate in the solution by controlling the pressure of the air and also by inducing the formation of soluble iron sulphide and preventing the precipitation of insoluble sulphide by the addition of a solution of copperas. The apparatus comprises a washer 2 from which the rouled solution is led into aerating tanks 1 through valved pipes 12, circulation of the solution being obtained by the baffle plates 10, 11. The air is injected through porous cylinders 4 of " alundum " or the like of a porosity of 30000-60000 per sq. inch. An adjustable dam 14 in conjunction with inclined baffle plates 15 is provided for separating off the sulphur. Specification 237,920 is referred to
Patent GB-100338-A (GB)
Title: Improvements in or relating to Steam Turbines.
IPC: F01D1/02
Filed: 1916-03-23
Abstract: 100,338. Weir, G. & J., and Lang, C. R. March 23, 1916. Axial-flow type; casings.-To facilitate the removal of the nozzle box b and the nozzle member c without interfering with the attachment of the stator member e carrying the guide-vanes d, the nuts or heads of the pins or bolts f which secure the member e to the inside of the casing a are accommodated by recesses m in the flange of the nozzle member c, which member, together with the nozzle box, is secured to the casing by studs h. When bolts are used instead of the pins f, the bolts are inserted from the inside and secured by nuts outside the turbine casing.
Patent GB-913504-A (GB)
Title: Apparatus for the simultaneous observation of an incandescent spot and a relatively cool surrounding area
IPC: G02B27/02
Filed: 1961-02-06
Abstract: 913,504. Apparatus for viewing incandescent spots and their surroundings. ZEISS-STIFTUNG, CARL, [trading as ZEISS, C., [Firm of]]. Feb. 6, 1961 [Feb. 6, 1960], No. 4313/61. Class 97 (1). [Also in Group XL (a)] Apparatus for simultaneous observation of an incandescent spot and its surroundings comprises a source of visible light of short wavelength, said wavelength being shorter than the wavelength of the principle emission from said incandescent spot, means to focus said light on the area under observation, said area including said incandescent spot, and means for observing said illuminated area, said observation means including a filter passing only light of said short wavelength, said filter being placed in the path of the observation rays. In the apparatus shown, workpieces 8 and 9 on movable guides 10, 11 are to be welded together using an electron beam produced by means comprising a cathode 1, a control electrode 2, an anode 3, a diaphragm 5 and an electromagnetic focusing lens 6. The apparatus for simultaneously observing the incandescent spot produced by the electron beam 4 and its surroundings comprises a source 16 (such as a mercury vapour lamp) of short wavelength visible light, a lens 17 for focusing this light on to the area surrounding said incandescent spot, and observation means comprising mirrors 18, 19, lenses 20, 21 and a filter 25 passing only light of said short wavelength, an image of the spot being focused, for example, on to the photo-cathode of a television camera 22. Preferably the filter 25 passes only a narrow band width and may comprise an interference-layer filter. The lens 20 and mirror 18 are movable vertically for focusing. The apparatus is sealed in an air-tight enclosure 7 which may be evacuated through a pipe 12.
Patent GB-490060-A (GB)
Title: Improvements in gas heated furnaces for the heat treatment of small tools
IPC: C21D9/00
Filed: 1937-02-13
Abstract: 490,060. Metal - heating furnaces. HALKETT, R., FELLS, H. A., and BROWN, J. Feb. 13, 1937, No. 4327. [Class 51 (ii)] A gasheated furnace for the heat treatment of small tools comprises upper and lower muffles or sleeves A, Ax sealed in the furnace walls and having open fronts in which the toolholder heads T are a close fit. The heads T may be formed with sockets T<3> to receive the tools and be fitted with handles T<1> carrying adjustable shields T<2> which cover the fronts of the sleeves when the furnace is in operation. A single lower sleeve arranged in its own combustion chamber Cx and a number of upper sleeves arranged in one or more combustion chambers C may be provided and the heat supply to each combustion chamber may be separately controlled. Combustion gases may be withdrawn from the upper combustion chamber C through the passage C<1> and supplied to the sleeves through passages A<1>, A<2> shielded by baffles A<3>. The sleeves A, Ax may be of different diameters provided that their openings A<4> are fitted by the heads T. Specifications 397,640 and 414,428 are referred to.
Patent GB-699257-A (GB)
Title: Improvements in or relating to rubber mats
IPC: A47L23/24
Filed: 1951-02-23
Abstract: 699,257. Mat holders. TYRE PRODUCTS, Ltd., and HILLSON, N: Feb. 19, 1952 [Feb. 23, 1951], No. 4401/51. Class 142(iv) A holder for a mat comprises a base sheet b, which may be of rubber, and a beading a, which may also be of rubber, secured to the base by adhesive. The beading may be hollow and may be ornamented and is provided with drain holes c. According to the Provisional Specification the various parts of the holder may be secured together by vulcanization.
Patent GB-459006-A (GB)
Title: Improvements in or relating to clutch plates
IPC: F16D13/64
Filed: 1936-02-14
Abstract: 459,006. Friction clutches. BORG & BECK CO., Ltd., Brock House, Langham Street, London. Feb. 14, 1936, No. 4578. Convention date, Feb. 15, 1935. [Class 80 (ii)] The carrier disc 7 of a clutch plate is provided with alternating radial tongues 9 and 10, one friction facing 14 being secured to the central part of the tongues 9 by rivets 15, while the other facing 12 and curved cushioning plates 11 are secured on opposite sides of the tongues 10 by central rivets 13. Each tongue 9 is curved, as shown in Fig. 4, so that its base and free end engage the facing 12, the ends of the plates 11 engaging the facing 14. The tongues 9 thus assist in the cushioning action. A lip 16 struck from each plate 11 engages an opening 17 in the associated tongue 10 so as to prevent turning of the plate. In a modification shown in Fig. 5, each tongue 9 is so curved that only its base initially engages the facing 12 ; this gives a two-stage cushioning action, as the free ends of the tongues 9 come into engagement with the facing 12 after the plates 11 and the portions of the tongues 9 between the base and the rivets 15 have been partially straightened.
Patent GB-141847-A (GB)
Title: Improvements in gas meters
IPC: G01F3/22
Filed: 1919-08-25
Abstract: 141,847. Auto-Slot Gas Meter Co., and Goldspink, G. E. Aug. 25, 1919. Gas meters.-The bellows membrane of a dry gasmeter is constructed in the form of a tapered or conical sleeve the smaller end of which can pass to and fro through the fixed larger end. Fig. 1 shows a meter divided by a main partition B and bellows partitions C, D into four compartments, the partitions C, D being each formed with an opening over which the rim K<1> of the corresponding conical bellows K is mounted, the bellows head L being smaller than the opening so as to pass to and fro therethrough.
Patent GB-490239-A (GB)
Title: Improvements in or relating to marine screw propellers
IPC: B63H1/12
Filed: 1937-02-16
Abstract: 490,239. Prop e llers. NORTH EASTERN MARINE ENGINEERING CO., Ltd., and HUNTER, H. Feb. 16, 1937, No. 4631. [Class 114] To avoid the pitting of cast iron and the " singing " of bronze propellers the back, face and the blade is formed near the top with a bulb or local thickening 5b of streamline curve. The curve merges gradually into the face of the back of the blade.
Patent GB-695587-A (GB)
Title: Improvements in or relating to circuits for controlling the flow of electric currentthrough inductive loads
IPC: H03K4/26
Filed: 1951-02-27
Abstract: 695,587. Electric measuring instruments. SOC. D'ELECTRONIQUE ET D'AUTOMATISME. Feb. 27, 1951 [Feb. 27, 1950], No. 4782/51. Class 37. [Also in Group XL (c)] Fig. 3 shows a measuring instrument with crossed moving coils 10, 30 in which a permanent reference voltage is applied to terminals 40 and a control voltage is applied via a negative feed-back amplifier (see Group XL (c)) to the coils 10. The coils may control the deflection of a needle or light beam and resistors 3, 13 and the gain of the amplifier may be adjusted so that the circuit may function as an electrometer to measure high value D.C. voltages. Fig. 4 shows the circuit of a C.R. oscilloscope in which a time base deflecting current is produced in coil 30 by a negative feed-back amplifier which functions as an integrating circuit (see Group XL (c)) and in which the voltage to be examined is applied at the input 2 of a further negative feed-back amplifier. The feed-back paths comprising resistor 13 and capacitor 33 may be shorted by low valve resistors 46, 48 through switches 47 and 49 respectively, thus enabling the forward and return sweep rates of the C.R. beam to be varied. If shunt 48 is brought into circuit prior to the application of a control signal the zero position from which the spot starts may be precisely determined. If sinusoidal waves are applied at the inputs 2 and 22 then a circular trace will be produced on the C.R. tube 41.
Patent GB-661973-A (GB)
Title: Improvements in or relating to devices for brewing or infusing tea or like beverages
Inventor: SMALL ALEXANDER
IPC: A47J31/06
Filed: 1949-02-22
Abstract: 661,973. Making tea or the like. TEASY KETTLE CO., Ltd. Feb. 14, 1950 [Feb. 22, 1949], No. 4808/49. Class 129. A device for. brewing or infusing tea or the like of a selected strength comprises a casing 1 housing a perforated or porous tea container 7 disposed between an inlet 6 communicating with the spout of a kettle or the like and an outlet 5, means being provided for diverting a predetermined amount of water entering the inlet 6 into a byepass 10 to vary the strength of the brew. The removable top 3 of the casing 1 has a nipple 6 externally ribbed for connection to a hose, and an externally threaded skirt 18 for quick engagement with the casing 1. Beneath the tap 3 and operated by an external handle 27 is an apertured and grooved baffle plate 21 of oval shape which serves to regulate the byepass and through-flow quantities by reducing the register of the aperture 24 with the entrance 26 to the container 7 and by allowing a greater quantity to flow through the groove 25 to a longitudinal groove 10 on the interior of the casing 1 and so to the outlet 5. In an alternative form the tap 3 has a bayonet joint connection with the casing 1. According to the Provisional Specification variations in the strength of the tea may be achieved by axial adjustment of a baffle or deflecting element housed in a bore in the container.