baber/WOPTO huggingface dataset:
Patent GB-192482-A (GB)
Title: Improvements in motor cycles and the like
IPC: B62K25/28
Filed: 1921-11-02
Abstract: 192,482. Phillips, F. J. H. Nov. 2, 1921. Spring devices.-Motor-cycles &c. comprise a main frame 1 and a longitudinal leaf spring 5, which is connected at its rear end to a frame 2b pivoted to the main frame and carrying the engine and rear wheel and at its front end to the front fork. Set-screws passing through transverse members oi the pivoted frame engage the cylinder heads. The oblique members of the pivoted frame may be dispensed with, and the rear en'd of the frame connected with the spring by a link. The fork 13 has a member 21 engaged by a slot in a handle-bar fitting 19, and passes through a rotatable collar 14 which is connected to the spring by a projection 22 and link 23 and is provided with blocks 16 mounted on trunnions 15 and received in slots in the main frame. The saddle is supported from the main frame by a leaf spring 25 and two leaf springs 26. The spring 5 may be replaced by a spring 38, Fig. 8, the ends 39, 40 controlling the front fork, and the ends 41, 42 being connected to the pivoted and main frames respectively. The leaves of the springs are adapted to slide on each other by means of balls or rollers carried by pieces of leather &c. placed in recesses in the leaves.. Grease-retaining grooves, with or without wool &c. fillings, may also be formed in the leaves.
Patent GB-261762-A (GB)
Title: Improvements in and relating to liquid boilers
IPC: F22B3/02
Filed: 1926-11-18
Abstract: 261,762. British Thomson-Houston Co., Ltd., (Assignees of Emmet, W. Le R., and Coulson, B. P.). Nov. 18, 1925, [Convention date]. V a p o u r engines. - A vapour generator, particularly for vaporizing high boiling point, heavy liquid such as mercury, comprises a number of units 4 suspended side by side in a furnace 1 and receiving liquid from a common header 35, vapour being delivered to a common header or drum 5. Each unit includes a casing 9 secured to a tube plate 8 from which depends a number of tubes each comprising an outer tube 15 and an inner core 16 of the same contour as the outer tube. the intermediate space communicating with the lower end of a passage 22 through the core. The cores which float on the liquid in the tubes may consist of tubes 23, 24, welded together at top and ,bottom the inner tube 24 being bent to provide for unequal expansion. Spaced from the tube plate 8 is a baffle 25 with openings 27 directing liquid into the funnel-shaped upper ends of the core passages 22. Vapour generated in the tubes rises in upwardly widening channels formed by ribs 21 on the cores and is kept separate from incoming liquid by the baffle 25 against recesses 28 of which the cores are held by the buoyancy of the liquid. Its direction is further changed by a baffle 13. Superheating pipes 38 extending from the front ends of the unit to a rear conduit 39 convey vapour to the drum 5. A number of blocks 29 are spaced by strips 30, 31, from the baffle 25 and serve to decrease the quantity of liquid necessary to provide the required depth of liquid in the unit. A liquid level indicator is connected, for example, to every second unit. The tubes of each unit are flared and in staggered relation and baffles between the groups are provided to distribute the heat equally to all the tubes.
Patent GB-1485882-A (GB)
Title: Hand-operated mill for producing meals and flours
IPC: B02C7/04
Filed: 1975-07-11
Abstract: 1485882 Disc mills R ZIMMER 11 July 1975 [22 July 1974] 29315/75 Heading B2A A hand-operated mill has lower and upper stones 1, 2 the upper stone 2 being turned by a handle or lever 3. The lower stone 1 includes a flour receptacle 4. and the upper stone includes a feed funnel 11. Grain size is set by adjustment of a nut 19 locked by a nut 20 to determine spacing of the stones and feed rate is adjusted by a screw 14 turned by a knob 15.  The lower millstone 1 has channels 9, Fig. 2, to direct grains to the grinding surface 10, and the upper stone 2 Fig. 3 has a spiral groove 13 also conveying the grains to a marginal grinding surface 10'. The spiral groove 13 can be made separately and attached in a recess in the lower part of the rotating millstone.
Patent GB-683072-A (GB)
Title: Improvements in hospital beds
IPC: A61G7/00
Filed: 1949-11-16
Abstract: 683,072. Invalids beds; furniture details. ESSEX AERO, Ltd., CROSS, R. J., and HUGHES, F. G. Nov. 13, 1950 [Nov. 16, 1949], No. 29321/49. Classes 52(i) and 52(ii) [Also in Group XXIX] A hospital bed as described in Specification 683,070 has mounted on the chassis freely castoring. wheels capable of being lowered in relation to the chassis by. means of jacks adapted to be extended or retracted by hydraulic mechanism incorporated in the structure of the chassis. As shown, the castoring wheels comprise a pair 27, 28 positioned as shown and a further wheel 31 positioned below the head of the bed. The wheels are mounted in forked spindles rotatable in sleeves which are carried by pairs of parallel links. One link of each pair is extended beyond its pivot such as 128 and the extension such as 123 is pivoted to the ram of an hydraulic cylinder such as 136 pivoted to the chassis. Each hydraulic cylinder is operated from pumps such as 163 by foot pedal 29, the pumps being mechanically connected so as to operate together the pump cylinders also being interconnected by an equalizing pressure pipe which may pass through the fluid reservoir 25 which serves as a transverse member of the chassis. A lever 32 is also provided to release the pressure. The arrangement is such that on operating the hydraulic cylinders the castoring wheels 27, 28, 31 are lowered whereby the wheel 31 raises the head end of the chassis so that the patient is lifted with his head raised in relation to his body, then the complete chassis is lifted by all three wheels 27, 28, 31 together as soon as the wheels have reached the floor and finally after the hydraulic cylinder of wheel 31 has reached its fully extended position the hydraulic cylinders of the wheels 27, 28 continue until they are fully extended, whereupon the bed is in horizontal position again but is raised in relation to the floor. The arrangement of the hydraulic system is described in Group XXIX. Specifications 683,071, 683,073 and 683,074 also are referred to.
Patent GB-711697-A (GB)
Title: A multi-purpose liquid container for agricultural use
IPC: A01C23/00
Filed: 1950-11-30
Abstract: 711.697. Tank vehicles. KUCHENMEISTER, H. J. Nov. 30,1950, No. 29361/50. Class 108(11 A liquid container 1 for agricultural use is provided with a carrier for other agricultural apparatus and comprises a frame 3, a funnel 9 adapted to be swivelled into the interior of the container, a liquid outlet 6 adapted to be closed flush wth the surface of the container and having a plurality of detachable spikes fitted thereon to allow the container to be used as a marker roller, disc roller or broken face roller harrow. A distributer 7 may be detachably mounted on the frame and arrangements may be made for lowering the container with respect to the ground so that the container may serve as a roller.
Patent GB-1245013-A (GB)
Title: A device for retaining a socket
IPC: F16B2/24
Filed: 1969-06-11
Abstract: 1,245,013. Clamps. DUCELLIER ET CIE. 11 June, 1969 [13 June, 1968], No. 29517/69. Headings E2B and E2F. [Also in Division F2] A spring clip 5, Fig. 1, retains socket 4 in seating 2 of support 1. The socket is released by springing the clip out of T-slot 11, Fig. 2, in member 10 and pivoting the clip about a portion 8. Member 10 may be attached to or bent-up from support 1.
Patent GB-1383937-A (GB)
Title: Method and apparatus for closing sample tubes
IPC: B01L3/14
Filed: 1972-06-23
Abstract: 1383937 Closing test tubes F HOFFMANNLAROCHE & CO AG 23 June 1972 [6 July 1971] 29549/72 Heading B8T Test or sample tubes 3, 4 are temporarily closed at certain stages in their journey through an automatic analysing machine, by glass balls rolled on to the tubes by a ball dispenser 6 and removed by a ball remover 7. The ball dispenser 6 stores the balls 5 in a housing 8 which has at its bottom a conveyer disc 11 which is reciprocated through about three quarters of a revolution (or alternatively continuously rotated) carrying a ball 5a in a recess 11a from the housing 8 to an inclined shoot 13 down which the ball rolls on to a tube 4. The balls in the housing are prevented from j jamming by agitation caused by the recesses 15 in the disc 11 as the disc rotates and by a reciprocating finger 18. The tubes are carried on the conveyer 1 round to the ball remover 7 which consists of a double bow member formed from two wires 23, 24 which is pivoted about a shaft 26 in a reciprocating manner. The separation of the wires is less than the diameter of the balls 5. The double bow member is lowered on to the tube and the ball 5 is forced between the wires. The member is then pivoted upwardly and the ball rolls along it and falls through a widened portion 30 into a collecting shoot 35. The ball dispenser and remover are synchronized with the speed of the conveyer and spacing of the tubes. As an alternative to the double bow member an inverted U-shaped channel with flexible, inwardly inclined side walls may be provided. The balls are forced between the walls and roll along the channel to a region where the spacing between the walls increases.
Patent GB-1416920-A (GB)
Title: Inert gas stripping of contaminated water
IPC: B01D19/00
Filed: 1973-06-29
Abstract: 1416920 Degassing water TEXACO DEVELOPMENT CORP 29 June 1973 29620/73 Heading B1M Gaseous contaminants are removed from water by stripping the contaminants from the water with steam and a gas which is inert under the conditions of use and which gas flows in a closed path such that it is continuously reused for the said stripping. The inert gas may be freed of the contaminants by being contacted with a solvent. The amount of steam relative to the total steam and inert gas may be 10-85 mol %, the inert gas may be N 2 , H 2  or CO 2 , the contaminants may be H 2 S, NH 3 , or CO 2 .
Patent GB-365055-A (GB)
Title: Improvements in or connected with sectional huts and the like
IPC: E04B1/10
Filed: 1930-10-04
Abstract: 365,055. Portable buildings. BRADBURY, J., 37, Verdon Avenue, Hamble, Southampton. Oct. 4, 1930, No. 29749. [Class 20 (i).] A portable hut is formed of panels which reach from the floor to the roof, each panel being subdivided by horizontal and vertical members to give panelled effects. The side panels are formed of frame members 1, 5 with intermediate horizontals 7 and verticals 2, the flexible covering material 3, Fig. 2, being secured by battens 4 and stiffening gussets 8, 9. The horizontals in adjacent panels are provided with interfitting scarfed joints at the edges of the panels, which abut against intermediate uprights 12, Fig. 6, provided with rotatable clamps 13 having slots to engage pins on the panels, fillets 14 being subsequently used to complete the joint. The end walls are formed similarly to the side walls and are provided with triangular top portions and doors, and are loosely hinged at 15, 16 to the side walls. The roof is formed in two portions each formed of separate panels provided with interfitting joints on the longitudinals, the portions being loosely connected together at the ridge by the covering material 17 so that the two parts may be collapsed' one on the other. At the eaves, the roof portions are loosely hinged to the side members, as shown at 18, 19, Fig. 5. The joints for the roof sections are rendered weatherproof by strips 23 passing from eave to eave across the ridge and secured by clips 24, Fig. 13. The ends of the roof covering 17 are held in position by means of strainers 25 engaging eyelets in the covering material. The lower edge strips 6 of the wall panels are secured to ground-plates 20 by means of clips 21, Fig. 11. Where bay windows are fitted, these are formed of collapsable frames.
Patent GB-1102852-A (GB)
Title: Process for the production of polyamide films
Inventor: SCHNEIDER JOHANNES
IPC: C08G69/26
Filed: 1966-07-01
Abstract: 1,102,852. Polyamide films. DYNAMIT NOBEL A.G. 1 July, 1966 [1 July, 1965], No. 29760/66. Heading B5B. An amorphous polyamide, having a viscosity number of 94-160 and prepared by condensation of a methyl terephthalate and a hexamethylene diamine is formed into a film by means of an extruder comprising a screw rotating in a cylinder whilst maintaining all regions of the cylinder at 200-315‹ C., and that region of the cylinder most remote from the extruder nozzle at a lower temperature than any other region of the cylinder nearer the nozzle. Mixtures of such polyamides may be used, and up to 40% of isophthalic esters may be used in making the polyamide. The film produced may be tubular or flat, and in the latter case may be stretched longitudinally.
Patent GB-1169471-A (GB)
Title: Method of Producing the Alkaloid Securinine
Inventor: KOGAN VLADIMIR ILICH
IPC: C07D491/20
Filed: 1968-06-24
Abstract: 1,169,471. Extraction of securinine. VSESOJUZNY NAUCHNO - ISSLEDOVATELSKY INSTITUT LEKARSTVFNNYKH RASTENY. 24 June, 1968 [29 Aug., 1967], No. 29922/68. Heading C2C. A process for the extraction of the alkaloid securinine from raw material obtained from a plant of the Spurge family (Eupharbiaceae) containing the alkaloid, which comprises the steps of:-(1) extracting the alkaloid from the raw material with water; (2) rendering the aqueous extract alkaline; (3) extracting the alkaloid from the aqueous extract with an organic solvent; (4) extracting the alkaloid from the organic solvent extract with sulphuric acid; (5) treating the sulphuric acid extract with activated charcoal and nitrous acid; (6) filtering the treated sulphuric acid extract; (7) rendering the filtered sulphuric acid extract alkaline to precipitate the alkaloid; (8) dissolving the precipitated alkaloid in a halogenated alkane solvent; (9) passing the halogenated alkane solution through aluminium oxide; and (10) recovering the alkaloid from solution in the halogenated alkane. The aqueous extract and the sulphuric acid extract are preferably rendered alkaline to a pH of about 8 with ammonium hydroxide. The organic solvent used to extract the aqueous extract is most suitably dichloroethane, which may also be used to dissolve the precipitated alkaloid obtained from the sulphuric acid extract. The nitrous acid required may be generated in situ by the addition of an alkali metal nitrite, such as sodium nitrite, to the solution, the sulphuric acid used may be dilute. The preferred raw material is the Securinega suffruticosa plant. The alkaloid may be recovered from solution in the halogenated alkane by evaporating solvent from the solution under reduced pressure.
Patent GB-1338140-A (GB)
Title: Hard wearing surfaces
Inventor: LEVITT C M
IPC: C22C32/00
Filed: 1971-06-25
Abstract: 1338140 Abrading bodies DE BEERS INDUSTRIAL DIAMOND DIVISION Ltd 25 June 1971 [25 June 1970] 29943/71 Heading B3D [Also in Division C7] A hard wearing surface is produced by closely packing a layer of substantially spherical abrasive particles, e.g. of diamond, bonding the particles by means of a matrix preferably of metal, e.g. Cu/Zn or nickel, and removing surface material, preferably by grinding, until truncated surfaces of the particles are exposed. Particles preferably of two size grades may be placed in a mould, bonding being effected by adding a metal powder and fusing it under heat and pressure, or by electrodeposition of metal around the particles, and an adhesive may be applied to the mould to hold the particles before bonding. The surface may then be ground or spark eroded. For circular surfaces, diamond grit may be fed into a centrifugal mould formed by a rotating disc (5), Fig. 4 (not shown), having a flange (6) and cover ring (7), the disc preferably being adhesive coated, and a bonding resin may be fed in and set while rotation continues. Dividers may be fitted on the flange (6) for producing segmental surfaces.
Patent GB-973175-A (GB)
Title: A method of operating a gas engine
Inventor: WALTER ALBERT CHARLES
IPC: F02B11/02
Filed: 1962-08-03
Abstract: 973,175. Gas engines. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. July 9, 1963 [Aug. 3, 1962], No. 29994/62. Heading F1B. In an internal-combustion engine operating on gaseous fuel exhausted from the top of a blast furnace, liquid hydrocarbon is injected into the gas, the combustion air, or a mixture thereof before entering the cylinder, the amount of fuel being not more than 60 gms. per cubic metre (N.T.P.) of top gas. The fuel may be a hydrocarbon having between 5 and 9 carbon atoms per molecule or mixtures of hydrocarbons may be used.
Patent GB-803103-A (GB)
Title: Automatic steering system
IPC: G01S13/937
Filed: 1956-10-02
Abstract: 803,103. Pulse radar. LICENTIA PATENTVERWALTUNGS G.m.b.H. Oct. 2, 1956 [Oct. 3, 1955], No. 29996/56. Class 40 (7). Pulse radar equipment 23, 24 on a ship is used to pass control signals to automatic steering unit 18 when a reflecting object is detected in an adjustable narrow sector about the ship's heading, so that the ship's course is altered to take the reflecting object out of that sector. Compass 19 is also connected to unit 18 which thereby sends control pulses to steering engine 20 of rudder 21 to hold the ship on a predetermined course. The radar detection may also initiate warning signals to the crew and to other ships.
Patent GB-1371578-A (GB)
Title: Gas control valves
IPC: F16K31/524
Filed: 1973-06-28
Abstract: 1371578 Valves SIDNEY FLAVEL & CO Ltd 28 June 1973 [27 June 1972] 30002/72 Heading F2V A control valve for controlling the supply of gas to a gas-fired appliance comprises a spring- loaded plunger 9 axially movable in a body and having at one end a sealing ring 7 that, in the closed position, seals bore 6, a spring-loaded tapered valve member 11 housed in the plunger 9, and a helical cam face 24 on which the operating member 23 of the plunger acts to operate the valve. Initially the plunger is retracted from a notch and thereafter rotated causing a lug 25 to follow the cam and so axially withdraw a sleeve 17 on which the plunger is adjustably mounted. After the lost motion had been taken up in recess 10, the valve member 11 is moved gradually to the full open position. The operating member may be formed with a window through which a coaxial stationary dial is visible to indicate the position of the valve for intermediate control.
Patent GB-1347200-A (GB)
Title: Multi-hulled boats
IPC: B63B1/10
Filed: 1972-06-27
Abstract: 1347200 Plastics boats WOODALL INDUSTRIES Inc 27 June 1972 [22 Sept 1971 30075/72 Headings B7A B7S and B7V Each hollow watertight hull 10 of a multihulled boat is made of two formed plastics sheets 12, 14 joined together at a vertical peripheral flange extending around the hull and a load supporting platform 56 connects the hulls. The flange of each of the hulls has a portion on its lower side which is enlarged with respect to the rest of the flange to form a keel 18. The embodiment described is a catamaran in which the platform 56 is a canvas seat or deck held taut by rope wrapped round frame members and each rudder 78 has a pivoting tiller 80 the forward ends of each of which are connected by tiller bar 82.
Patent GB-255408-A (GB)
Title: Improvements in or relating to weaving looms
IPC: D03D49/52
Filed: 1925-11-30
Abstract: 255,408. Bachmann, A., and Graf, A. W. July 14, 1925, [Convention date]. Void [Published under Sect. 91 of the Acts]. Checking shuttles; swells; shuttle relief motions.-On entering the box, the shuttle receives a preliminary check from one or more auxiliary brakes or swells 19, additional to the ordinary swell (not shown). The swell 19 extends through a slot in the shuttle box flap 26, or wall, and is carried by a lever 24. It is also connected bv a shank 18 and rod 17 to a bell crank lever 9 on a shaft 8 acted upon by a spring 11, the tension of which can be adjusted by turning a head 13. The extent to which the swell projects inwards can be adjusted by a set screw 28. Before the shuttle is ejected, the loom connecting rod 4 acts on a cranked pin 15 adjustable on the lever 9, which is thereby turned so that the auxiliary swell is withdrawn A modification is described wherein a second auxiliary swell projects through the front wall of the shuttle box and is connected by lever mechanism to the first auxiliary swell, which projects through the rear wall of the box. In another modification, the bell crank lever 9, Fig. 5, actuates another bell crank lever 34 connected to the auxiliary swell 19.
Patent GB-797018-A (GB)
Title: Improvements in and relating to means for the controlled delivery or dosage of liquids or liquid-solids mixtures
Inventor: HOBSON ALAN GEORGE
IPC: G05D7/00
Filed: 1955-10-21
Abstract: 797,018. Mixing fluids in flow. BRITISH FILTERS, Ltd. Oct. 15, 1956 [Oct. 21, 1955], No. 30188/55. Class 86 A dosing fluid is supplied to a liquid flowing through a pipe 1 by apparatus comprising a vessel which is divided into two compartments 2, 3 by a flexble membrane, &c. 4 and is preferably mounted for rotation or oscillation. The dosing fluid is normally contained in the compartment 2 and is displaced therefrom by liquid which is fed to the compartment 3 at a controlled rate and at such a pressure as to displace the membrane 4. In the construction shown, the compartment 2 is fed with the dosing fluid through a filler 8 and has an outlet leading to a pipe 9 connected to the pipe 1 and liquid is supplied to the compartment 3 by a pump 12 having an outlet 13a. Rotation or oscillation of the vessel 2, 3 is effected by a belt drive 16 from the motor 17 driving the pump 12, the vessel being provided with a pair of hollow trunnions 5 mounted in bearings 6. Prior to filling the compartment 2 a valve 14 associated with the hollow trunnion 5 of the compartment 3 is opened to permit discharge of liquid in the latter compartment. In a modification, Fig. 2 (not shown), the pump 12 is dispensed with and the inlet to the compartment 3 and outlet from the compartment 2 are connected to opposite sides of an orifice plate valve, &c. in the pipe 1.