baber/WOPTO huggingface dataset:
Patent GB-104419-A (GB)
Title: Improvements in and connected with Forks, Spoons, and the like Adaptable for Artificial Limbs.
Inventor: ADAMS ALFRED CHARLES
IPC: A47G21/08
Filed: 1916-04-17
Abstract: 104,419. Adams, A. C. April 17, 1916. Spoons.-A fook, spoon, or the like is pivoted upon a member which may be secured to an artificial limb. The fork a, Fig. 2, is pivoted at b between two inclined surfaces c in a member d, which is attached to a member e screw-threaded at f for attachment to the artificial limb. The fork is provided with an extension a<1>, to which a spring h is attached so that the fork is normally kept in alinement with the member e. The fork is also provided with another extension a<2> to enable it to be operated by a cord or the like i controlled by the wearer, so that the fork may be turned to any desired angle. The stem a<3> of the fork may be made separately, as shown in Fig. 4, so that a spoon j may be substituted for the fork. In a modification, Figs. 6 and 7, the fork a or the like is pivoted as before and the member a is provided with an upstanding arm m formed with two stops n, o to limit the movement of the fork, which is operated by a cord i attached to the arm a<2>. In a further modification, Fig. 13, the end p of the fork stem abuts against a stop q to hold it firmly when picking up food. The stop q is controlled by a spring r and operated by a cord t.
Patent GB-433724-A (GB)
Title: Improvements in or relating to folding ladders
IPC: E06C1/56
Filed: 1934-02-20
Abstract: 433,724. Folding ladders. WHITING, F. H. W., 49, Redbreast Road, Moordown, Bournemouth. Feb. 20, 1934, No. 5624. [Class 20 (ii)] A collapsable ladder comprises a plurality of articulated side sections 3, of which the members of successive pairs of opposed sections are spaced apart progressively and are of progressive lengths whereby the ladder can be folded into substantially one plane, and each section comprises projections 4 to distance the ladder rungs 2 from the walls of a house or like support. The projections 4 are provided by forming the sections 3 of flat S- or sinuous-form. A triangular portion 1 is provided at the upper end of the ladder for the connection of a chain by means of which the ladder is suspended. The ladder, when collapsed, may be housed in a container having a loose wall through which the anchoring chain passes, so that when the container and ladder are thrown from a window, the ladder is automatically extended. To ensure opening of the ladder, either the container or bottom of the ladder may be weighted. The ladder may be formed in several lengths, of which the spacing and lengths of the side sections alternately increase and decrease. The rungs 2 may be rigid tubular members connected to the side sections by screws or rivets 5, or they may be made of cord, rope or wire. The ladder may, alternatively, be constructed from U-shaped units comprising integral side and rung portions, and the ends of the side portions of the units may be in the form of hooks to engage into or over the rung portion of the next unit.
Patent GB-569434-A (GB)
Title: Process for the production of acrylic interpolymers
IPC: C07C51/09
Filed: 1940-03-28
Abstract: A mixture of a lower alkyl (i.e. methyl to <PICT:0569434/IV/1> butyl) acrylic or methacrylic ester with the acid is made by partially hydrolysing the ester with an alkali hydroxide, adding a mineral acid, and removing water and soluble salts.  The bulk of the water is removed by means of a drying agent, e.g. anhydrous sodium sulphate, or by lowering the temperature below 0 DEG  C. and removing the ice formed by filtration.  The residue of the water is removed by distillation in the apparatus shown.  The mixture of ester and acid (e.g. methyl methacrylate and methacrylic acid) is heated in a flask 1 connected to a water separator 5 which is connected to a condenser tube 7, the top of which is connected to a vacuum pump.  An azeotropic mixture of methyl methacrylate and water distils over, is condensed and the condensate collects in the water separator 5.  The condensed methyl methacrylate 11 flows back to the flask 1, while the water 10 collects in the separator 5, the volume of the latter being so calculated that at the end of a run it is almost full of water. In an example, the quantities used are such that the liquid remaining in the flask consists of about 85 per cent methyl methacrylate and 15 per cent methacrylic acid.  This liquid can be poured into moulds and polymerized by heat.  The resulting resin is harder than the resin from methyl methacrylate alone and can be ground to form optical bodies, or can be used as a bond for abrasive grains to form grinding wheels.
Patent GB-215867-A (GB)
Title: Internal combustion engines
IPC: F02B1/00
Filed: 1923-02-27
Abstract: 215,867. Trudeau, M. O. Feb. 27, 1923. Cylinders, combustion chambers for; cycles and systems of working.-In an engine having an auxiliary combustion space 10 of annular form in the cylinder wall, the width of the chamber space is greatest at its opening into the cylinder. During the compression stroke the chamber 10 is filled with compressed mixture, and until after ignition of the main charge. The upper edge of the chamber is located between 2.75 per cent and 10 per cent of the piston stroke below the top dead centre position of the piston head.
Patent GB-240720-A (GB)
Title: Improvements in woman's hair switches
IPC: A41G3/00
Filed: 1925-03-02
Abstract: 240,720. Ruffio, L. March 2, 1925. Hair switches.-A hair switch having combs 14, 14 for attachment to the hair of the wearer comprises strips 12, 12 between which is interposed an extensible or elastic strip 13. The strips 12, 12 are of mesh material to which the hair 15 is secured, and are wider at the outer ends where the combs are attached, the extensible strip 13 being relatively narrow. The strip 13 may be of non-elastic material provided with a buckle or other adjusting means.
Patent GB-1317705-A (GB)
Title: Process for producing and expanded food product
IPC: A23K1/14
Filed: 1972-02-08
Abstract: 1317705 Protein foods RALSTON PURINA CO 8 Feb 1972 [8 Feb 1971] 5833/72 Heading A2B An expanded food product, in particular a simulated meat product, is prepared by forming a dough from an aqueous liquid and a proteinaceous material containing at least 30 wt% protein, heating under a pressure of 80-120 psi, and then releasing the pressure whilst keeping a major portion of the dough surface confined and a minor portion unconfined, whereby the moisture is volatilised and the dough expands preferentially in the direction of the unconfined portion. Suitable proteinaceous materials include oilseed proteins, preferably defatted, microbial proteins such as yeast and petroleum proteins, and meat, fish and poultry by-products. The aqueous liquid may be water. Other liquids, such as milk, whey, or blood, may also be used. Colourings, flavourings, humectants and preservatives such as glycerol and propylene glycol, and agents to modify properties such as fibre toughness and rehydration characteristics, may also be present. The amino acid content may be supplemented by cysteine.
Patent GB-411985-A (GB)
Title: A method and apparatus for washing solid, granulated or pulverulent products
IPC: B03B5/62
Filed: 1933-02-27
Abstract: 411,985. Washing granular materials. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Soc. Anon. d'Ougree - Marihaye ; Ougree, Belgium.) Feb. 27, 1933, No. 5889. [Class 82 (ii).] A continuous current of water and the granular or powdered material to be washed is directed first in a downward direction and then deflected so that it continues in an upward direction, and gas under pressure, e.g. compressed air, is directed upwardly into both the downward and upward currents, the gas supply being located so that the gas maintains the light particles in suspension during the deflection of the current while the heavier particles are eliminated. A continuous current of water and the products to be washed is directed downwardly from a pipe 2<a> into a compartment 2<d> of a vessel 2b which is divided by a partition 2<c> into two compartments 2<d>, 2<f> communicating at the bottom. The descending current in the compartment 2d is acted on by a current of compressed air from the nozzle 2<g> and the current is then deflected under the partition 2<c> and flows upwardly in the compartment 2b where it is acted on by compressed air from a nozzle 2". During the deflection, the heavier particles fall out of the current and are discharged through the duct 2<m>. Upper and lower gratings 2<q> and 2<q2> are arranged in the compartments to equalize the flow of the pulp and the gas. Oil may be supplied to the compartment 2d, for example through the spray 2<r>, to form an emulsion of some or all of the lighter particles which rises and flows over the top of the partition 2<c> to the overflow 2<p>.
Patent GB-741835-A (GB)
Title: Improvements in or relating to doors or covers for cellars and the like
IPC: E06B5/01
Filed: 1953-03-04
Abstract: 741,835. Cellar doors; manhole covers. POOLE, P. May, 14, 1954 [March 4, 1953; May 14, 1953], Nos. 6033/53 and 13559/53. Classes 20(3) and 107. [Also in Group XXX] A door for a cellar or inspection chamber having rollers 15, Fig. 1, which run along spaced guides 3, 4, and movable from a closed to an open position by a translatory and a rotary movement has abutments 21 engageable with fixed supports to maintain the door releasably in an open position, Fig. 4, the arrangement being such that the door can be raised and displaced along the guides into an open position at an angle to the guides. As shewn two doors 1, 2, form a closure for an opening in a pavement leading to an underground cellar. Each door comprises a sheet-metal plate having secured to its underface a frame consisting of angle irons 9, 10, 11, holes 12 in irons 11 enabling a padlock to be used. A depending lug 13 secured to each angle iron 9, 10 carries an axle pin 14 for a roller 15, the pins 14 on each door being axially aligned. The fixed frame which is secured in the cellar opening is formed of channel-section members 3, 4, opening inwardly and angle members 5, 6, to which are secured metal strips 7, 8, respectively the upper edges of the latter being coplanar with the surface of the pavement and the upper faces of doors 1, 2 in their closed position. Flanges 16, 17 secured to the upper and lower webs respectively of the channel members 3, 4 engage peripheral grooves in the rollers 15. Cut-outs 20 in the doors allow pivoting about the rollers 15 and form the abutments 21, the gap being closed by plates 30 secured to the upper webs of the side members 3, 4. To open door 1 after the padlock has been removed from holes 12 and bolt 25 retracted, a lifting tool is inserted in key-way 22 and the door lifted by swinging about the axis of rollers 15. The door is then slid until one roller 15 drops into a pocket 18 formed by shortening the corresponding flange 17 and shoulder 21 passes through a slot 29 in the upper web of member 3 and flange 16. The other shoulder 21 of door 1 rests upon the upper web of member 4. Handles 24 on the doors 1, 2 assist in opening and closing, and after both doors are open stay bars 41 may be engaged in slots 40 therein to form guard rails. In modifications, pockets 18 are provided at the ends of each channel member and stay bar 41 is formed in two or more parts telescopically secured together, notches being formed at the opposite ends of the bar for engagement in corresponding notches in the doors. When the doors are open, a device 32 (see Group XXX) may be pivoted into position to form a bearing for rope used to lower barrels into the cellar. According to the Provisional Specification a single rod on each door may support the rollers 15 and angle irons 11 may be omitted.
Patent GB-471185-A (GB)
Title: Improvements in or relating to arrangements for controlling a cathode ray tube
IPC: H03K4/12
Filed: 1936-02-28
Abstract: 471,185. Valve oscillators. STANDARD TELEPHONES & CABLES, Ltd., and BARNARD, R. M. Feb. 28, 1936, No. 6059. [Class 40 (v)] The discharging valve of a relaxation oscillator is tripped by rectified sinusoidal oscillations applied to its grid in negative phase. The condenser C2, Fig. 1, is charged over resistance R4 and condenser Cl and discharged through the valve V3. An oscillator V1 supplies sinusoidal oscillations to a rectifier V2, and the rectified oscillations are applied to the two grids of V3 whose bias is represented at XX<1>, Fig. 3, and which ceases to conduct at an input voltage AA<1>. The valve V3 is therefore conducting for a brief period in each half-cycle of the sinusoidal oscillation. The conducting period may be adjusted by varying the bias level XX<1>. Synchronizing signals may be applied at PY to control the sinusoidal oscillator VI. In a modification, Fig. 2 (not shown), the condenser C2 may be chosen from a plurality, and the valve V3 is replaced by a back-coupled triode valve.
Patent GB-636296-A (GB)
Title: Improvements relating to variable area fluid nozzles
IPC: F02K1/60
Filed: 1948-02-27
Abstract: 636,296. Jet propulsion nozzles. METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Feb. 27, 1948, No. 6126. Convention date, Aug. 6, 1946. [Class 110(iii)] Pivoted vanes are provided at the end of a propulsion nozzle for varying the effective area of the nozzle and for spoiling the jet. Aerofoil vanes 6, 7 are pivoted intermediate their ends on trunnions 9 spaced apart and downstream of the discharge edge 2 of the nozzle 1. With a circular or elliptical edge 2, the vanes are segments of cylinders of a less curvature than the discharge edge 2 so as to leave crescent shaped orifices S when in their maximum area position. The trailing edges are turned inwards to bring edges 19 together for maximum thrust position and are turned outwards to bring the leading edges together for spoiling the jet. The vanes may be proportioned to permit movement past the maximum thrust position so as to bring the trailing edges together with the vanes transverse to the nozzle axis for spoiling the jet. The side plates 3, 4 in which the trunnions 9 are mounted are separated by less than the width of the nozzle and have fairing projections 5 on the inner surface of the nozzle. The vanes are turned simultaneously by electrically or hydraulically operated gear such as a worm 11 and wheels 10.
Patent GB-177957-A (GB)
Title: Improvements in and relating to apparatus for collecting latex from rubber trees andthe like
IPC: A01G23/14
Filed: 1921-02-24
Abstract: 177,957. Hawthorn, H., and Francis, J. H. E. Feb. 24, 1921. Latex, collecting.-A carrier from which a latex-collecting cup is removably suspended is so shaped as to form a cover for the cup, and has a spout formed from, or in one with it. The cup is so shaped as to prevent lodgment of latex when emptied. The carrier is preferably stamped from a sheet of metal b, Fig. 3, and bent to form an upper inclined member b<1> and a lower horizontal portion b<2>. The upper end of the member b<1> is cut to form tongues b<4>, perforated for attachment by nailing, and b<6> which is bent into a hook to enable the carrier to be suspended from a loop. Channels b<7> drain rain water clear of the cup. From the lower member b<2> is stamped a spout b<3>, the end of which enters the tree, and also a tongue b<9>, the end of which is passed through a slot b<10> in the upper member and turned over to form a projection against which the handle a<3> of the cup a lodges. The cup a is of such a width as to be covered by the lower portion b<2>.
Patent GB-397904-A (GB)
Title: Guard covers for electric lamps
IPC: F21V25/12
Filed: 1932-03-02
Abstract: 397,904. Miners' and like electric lamps. HAILWOOD, E. A., Beacon House, Texas Street, Morley, near Leeds. March 2, 1932, No. 6281. [Classes 39 (ii) and 75 (iv).] Cut-out arrangements; holders; mounting electric lamps in lanterns.-In an electric lamp, for use in mines &c., in which an electric lamp bulb B is mounted within an airtight guard glass G and is carried by a member which is movable by air, gas, or other fluid pressure applied within the guard glass to make electrical contact, and which breaks contact when the guard glass is broken, fine holes A<3> are provided in the casing A behind the movable member. Air or inert gas is supplied through a cycle or like valve V. The lamp bulb is carried by a rubber diaphragm R held in position by a ring R<1>, or by a spring-pressed piston sliding within a cylinder in the casing.
Patent GB-715650-A (GB)
Title: Diffusers
IPC: C12M1/04
Filed: 1952-03-11
Abstract: 715,650. Treating sewage and industrial wastes. CHICAGO PUMP CO. March 11, 1952 [Sept. 15, 1951], No. 6282/52. Class 111. [Also in Groups II, VI and XII] A diffuser for diffusing-air through a body of sewage or industrial waste comprises a rigid, non- porous, elongated lower body portion, an air inlet thereto, and a collapsable, porous upper portion which is co-extensive in length with the lower body portion and which when collapsed lies in contact with the lower body portion over a substantial proportion of its area. For diffusing air through sewage in a sewage tank 12, Fig. 1, a plurality of diffusers 31 are connected to a manifold 28 to which air is supplied through pipes 16, 20, 21. Pivotal connections between the pipes 16 and 20 and between 20 and 21 enable the diffuser to be swung out of the sewage tank for maintenance work. A hand-operated quickacting valve 18 openable to the atmosphere is provided, whereby the air supply to the pipe 20 may be cut off practically instantaneously by diverting the flow of air in the main 16 to the atmosphere. The valve 18 is operated when it is desired to dislodge solid foreign matter from the pores of the diffuser. Each diffuser 31 includes a solid non-porous lower body portion 32, Fig. 5, preferably semi-circular in cross-section and having an air inlet pipe 36 which provides means for attachment to the manifold 28. A collapsable porous upper portion 39, also preferably substantially semi-circular in cross-section, is secured by its edges to the portion 32 and is of a height which, when inflated, is preferably slightly greater than the depth of the portion 32. When collapsed the portion 39 lies in contact, for the most part, with the portion 32 as shown in Fig. 7. By opening the valve 18 the porous upper portion 39 co'lapses and slams against the interior surface of the lower body portion 32 to dislodge the particles of solid foreign matter in the pores. When the valve 18 is again closed the porous upper portion 39 quickly re-inflates and further dislodgment of foreign matter takes place. Specification 701,342 is referred to.
Patent GB-1382165-A (GB)
Title: Installation for the continuous production of panels including a  core of synthetic material
IPC: B32B27/00
Filed: 1972-02-10
Abstract: 1382165 Laminating apparatus SOC INDUSTRIELLE DE STRATIFIES 10 Feb 1972 [12 Feb 1971] 6290/72 Heading B5N An apparatus for continuously producing panels comprising a core of synthetic material, particularly a foaming material, initially in liquid form comprises means to supply facing webs 2, 3, a distributor 1 for the synthetic material, first shaping means 4, 5, conveyer belts 6, 7 forming second shaping means extending from the immediate vicinity of the outlet of said first shaping means, and a flexible, preferably metallic, mesh sheet the upstream portion 9a of which is fixed, which, by pressing against  the upper side of the upper conveyer belt prevents the formation of pockets and folds. As shown, sizing plates 8, 8<SP>1</SP> control the thickness of the laminate. The belts 6, 7 may be of polyethylene terephathalate.
Patent GB-641202-A (GB)
Title: Excavating device
IPC: E02F3/04
Filed: 1948-02-28
Abstract: 641,202. Excavating earth. ALLARD, P. J. M. T. Feb. 28, 1948, No. 6293. Convention date, March 6, 1947. [Class 68 (i)] An excavating machine comprises a picking and shovelling member pivotally connected at two points to controlling means adapted to impart to the member a forward as well as a picking and rearward movement, the control means including guiding devices, and an actuating device for moving the points of pivotal connection along the paths defined by said guiding devices so that the picking and shovelling member penetrates downwards into the material and scrapes the load of disintegrated material away from the working face. In one form, the digging member 3 is connected to links 6, 2 which are pivotally connected to the piston rods 8, 11 of two parallel hydraulic jacks 10, 13 mounted on a chassis which in turn is mounted to turn about a horizontal pivot on a structure having endless tracks 18a. After the digging stroke, the disintegrated material is scraped back onto an adjustably inclined ramp 14, or delivered onto an endless conveyor, or the material may be scraped into a scoop which is swung to the rear of the machine for dumping. The pivots 4, 7 connecting the links to the pistons are moved in guides 26, 27. In the second form, the connection between the upper arm 6 and the piston rod 8 is a catch 50 and at the commencement of the digging stroke, the digging member is urged into the face by a fluid-operated or spring-loaded hammer 53, 54. Should the member fail to dislodge material from the face, the catch is reconnected and the digging stroke repeated until the face disintegrates. In a further form, only one jack is used in which case one of the guide means is in the form of a hollow cam surface. An endless cutting chain 63 is mounted below and projects forward beyond the ramp so as to undercut the face.
Patent GB-457248-A (GB)
Title: Improvements in tins with tight fitting lids
IPC: B65D43/02
Filed: 1936-03-02
Abstract: 457,248. Tins. HACKER, 1., 60, Margaretengiirtel, Vienna. March 2, 1936, No. 6298. [Classes 18 and 66] The flange of the lid of a polish &c. tin is formed with internal projections 3, 4 and 5 bearing on the rim of the body portion, the first two affording an axis about which the lid can be tilted to open the tin and the third serving as a stop. The lid is formed with annular strengthening ribs 6 and a raised or depressed portion 7 is provided at the point at which pressure is to be applied to effect opening. Specification 5254/08, [Class 18], is referred to.
Patent GB-364411-A (GB)
Title: Improvements in and relating to electric discharge tubes
IPC: H01J21/02
Filed: 1931-02-28
Abstract: 364,411. Thermionic valves. EGYESœLT IZZËLAMP‡ •S VILLAMOSSAGI R•SZV•NY - T‡RSAS‡G, Ujpest, Budapest. Feb. 28, 1931, No. 6332. Convention date, Oct. 17, 1930. [Class 39 (i).] A thermionic tube is provided with an incandescent cathode 2 surrounded by a control grid comprising two members 3, 3a which are spaced apart but connected by a conductor 10. Within the tube an electrode 4 is situated in the space between the members 3, 3a, and all the electrodes are surrounded by an anode 5. In use, the electrode 4 is connected to a source of high tension. Fig. 4 shows a circuit employing the tube in a wireless circuit.
Patent GB-100447-A (GB)
Title: Improvements in Receptacles for Carrying Out Chemical Reactions.
IPC: B08B9/08
Filed: 1916-05-05
Abstract: 100,447. Norsk Hydro - Elektrisk Kvaelstofaktieselskab. May 12, 1915, [Convention date]. Ammonia.-Relates to a digester or receptacle, for use in the production of ammonia from calcium cyanamide, of the type which is provided with a discharge pipe 2 fitted with a sluice valve 3 and a steam inlet 4. An additional valve 5 is provided at the inlet to the pipe 2 for cutting off the supply of steam to the receptacle and for breaking up hard crusts which may form on the bottom of the receptacle.