baber/WOPTO huggingface dataset:
Patent GB-726763-A (GB)
Title: Improvements in or relating to filing folders for vertical suspension filing systems
IPC: B42F21/06
Filed: 1953-10-02
Abstract: 726,763. Filing papers. KEARNEY, J. A. Oct. 2, 1953 [Dec. 8, 1952], No. 27079/53. Classes 146(1) and 16. The edge of a filing folder 1 is secured to a suspension rail 2 by clamping the edge between the limbs 2a, 2b of an inverted U-shaped rail and bending the rail closely over on itself about a line intermediate between the top and bottom edges of the rail and parallel thereto so that the folder edge is also bent closely over on itself while clamped between the limbs of the rail. Notches 5 in each limb 2a, 2b at each end are stamped out with the rail 2 in the flat form, the metal then being bent over on its central line and clamped to the folder edge and folded over on a line slightly above the half-way line to leave a recess 7 for engagement by a rider or tab. In the final form, the parts of the limb 2b may be touching or separated by a small space 6. A tab 4 for sliding engagement with the rail may be stamped out from a sheet of metal and folded over as shown to leave a space 18 for an index slip, the blank being formed with a window 8 and an aperture 15, a number of small slots 9 in a depressed channel 10 and an equal number of tongues 11 in a depressed channel 12, the tongues 11 being passed through the slots 9 to secure the tab. As shown in Fig. 12, the lower front edge 13 may be turned slightly under at 14a to engage the recess 7 of the rail 2, or with a tongue 14b or the lower edge may be turned upwardly to engage in the small space 6. In each case the rear lower edge 16 is engaged behind the rail 2. As shown in Fig. 13, the rail 2 has the limb 2b extended and turned upwardly at 19 to form a partially enclosed recess 22 and the lower edges of the tab 4 are both extended, turned inwardly and the extension 20 of edge 13 turned downwardly and then upwardly and the extension 21 of edge 16 turned upwardly and then downwardly and the two extensions 20, 21 gripping the interior surfaces of the recess 22. The tabs and rail are made from rustless metal or alloy and the tabs may be distinctively coloured.
Patent GB-1411403-A (GB)
Title: Pipe connectors
IPC: F16L37/252
Filed: 1972-06-09
Abstract: 1411403 Pipe couplings COAL INDUSTRY (PATENTS) Ltd 11 May 1973 [9 June 1972] 27100/72 Heading F2G In a bayonet-action quick-release pipe coupling between identical connectors, each having an axially movable locking sleeve 3 with a castellated end 10, pins 20 have recesses 22, which engage the edges of holes (23) in the opposed connector. In use, the pins 20 are inserted in the holes (23) and the connectors pressed together, thus moving their sleeves 3 against the action of compression coil sprins 4. On turning one connector relatively to the other, the castellations 10 on the sleeves interpenetrate one another (under the return action of the springs) and pins 20 look in the holes 23. To effect release, the sleeves 3 must first be drawn back, to allow the connectors to be rotated relatively to one another.
Patent GB-477638-A (GB)
Title: Improvements in or relating to optical projection systems, particularly spot lights
IPC: G03B21/20
Filed: 1936-10-06
Abstract: 477,638. Spotlights and like light projectors. GENERAL ELECTRIC CO., Ltd., and BEGGS, S. S. Oct. 6, 1936, No. 27113. [Class 75 (iv)] A spotlight or like light projector in which the divergence of the beam is varied by variation of the distance between the light source and the optical system, and in which the real or virtual image of the source lies on the same side of the optical system as the source, comprises a diaphragm fixed relatively to the optical system and pierced by a hole so dimensioned and located (1) that, when the beam produced by the optical system is of small divergence, the boundary of the ilhuninated area is not rendered diffuse by the aberrations of the optical system ; (2) that, when the beam is of large divergence, the aperture of the optical system is not materially reduced ; and (3) that, whether the divergence be large or small, substantially no direct light from the source is emitted outside the angle of divergence of the said beam. In the form shown in Fig. 1, the boundary of the hole in the diaphragm 3 lies on the intersection of the rays passing from the source 1<1> to the perimeter 5 of a convex lens 2 when the source is substantially at its least distance from the lens, with the rays passing from the source 1 to the boundary 4 of that part of the lens which gives rise to substantially no aberrations when the source is substantially at its greatest distance from the lens. In the form shown in Fig. 2, the boundary of the hole in the diaphragm 3 lies on the intersection of those direct rays 1-8 from the source 1 which are parallel to the extreme reflected rays 7-6 when the source issubstantially at its least distance from a concave mirror 2, with those direct rays 1<1>-8<1> from the source 1<1> which are parallel to the extreme reflected rays 7-6<1> when the source is substantially at its greatest distance from the mirror. Slight modifications of the position of this last-mentioned boundary are given in the Specification. The hole in the diaphragm is circular or square according to the shape of the lens or mirror.
Patent GB-170301-A (GB)
Title: Improvements in and relating to gondolas for airships
IPC: B64B1/40
Filed: 1921-10-13
Abstract: 170,301. Luftschiffbau Zeppelin Ges., and Stahl, K. Oct. 18, 1920, [Convention date]. Drawings to Specification. Cars, heating.-Engine gondolas are connected to the body of an airship by hollow closed shafts, preferably of stream-line form. The shafts may be airtight, and may house the engine attendants, or be used as a conduit for hot air from the engine or for fresh air for ventilation. Each shaft may be constructed as a supporting member for the car, and may be divided into gas-tight compartments by doors which are built like sluice gates so that a door can only be opened if the neighbouring doors are closed Tanks and like containers may be disposed within the shafts.
Patent GB-303928-A (GB)
Title: Methods of treating magnetic materials
IPC: C22F1/10
Filed: 1927-10-14
Abstract: 303,928. Beatty, W. E., (Bell Telephone Laboratories, Inc.). Oct. 14, 1927. Drawings to Specification. Modifying physical characters of metals.-The permeability of magnetic metals, especially nickel-iron alloys containing not less than 60 per cent nickel and having high permeability at low magnetizing forces with low hysteresis losses as compared with iron, is made substantially constant, for magnetizing forces up to at least 0.1 gauze, by heating it to a temperature between 600‹ C. and 900‹ C. for at least two hours and then allowing it to cool at a rate not greater than 10‹ C. per minute. Small amounts of chromium or other materials may be added to the alloy to increase the resistivity, as described in Specifications 189,832, [Class 82 (i), Metals, Extracting &c.], and 263,207. To restorethe permeability of material produced as above and subjected to over-strain, it may be reheated, e.g. at 800‹ C., by an electric current, for a short period.
Patent GB-1453095-A (GB)
Title: Carburettor cold enrichment device
IPC: F02M1/04
Filed: 1974-06-20
Abstract: 1453095 Spray carburetters FORD MOTOR CO Ltd 20 June 1974 [2 July 1973] 27314/74 Heading F1H A carburetter comprises a conduit conveying supplementary fuel and air for cold weather starting to a port in the induction passage downstream of the closed position of the throttle valve, temperature responsive means acting, when the temperature decreases below a predetermined level to progressively open a valve means controlling flow through the conduit, and vacuum servo means acting to move the valve means at times in a closing direction when the engine vacuum attains an engine running level, a lost-motion connection being provided between the servo means and the valve means. When a cold engine is being cranked, air is drawn from a point upstream of the throttle valve 24 via a port 74 and passage 72 to a port 64 where it joins fuel drawn from the float chamber 20 via a passage 76, port 66, passages 80, 100, 98 and a valve opening 110, the resultant rich mixture passing via a valve opening 112, a port 62, a passage 68 and a port 70 to a point downstream of the closed position of the throttle valve. When the engine has started, the increased engine vacuum acting on a diaphragm 140 overcomes the force of a spring 152 and pulls a spindle 144 to the right against a cam stop 184, thereby moving a valve spindle 132 correspondingly to the right to reduce the valve opening 110 and so reduce the fuel supply. At the same time, a valve orifice 182 is opened to admit air which has been heated by the engine exhaust manifold and has entered a thermostat chamber 116 via a conduit 134. The reduction of the fuel supply and the addition of the heated air both serve to reduce the mixture richness. As the engine heats . up, a bi-metallic spring 114 exposed to the heated air moves the valve spindle 132 further to the right to reduce the mixture richness still further. A lostmotion connection 148, 150 permits this movement of valve spindle 132 even when spindle 144 is arrested by the cam stop 184. However, any increase in ambient temperature acts via a bi-metallic spring 156 to raise cam plate 172 to permit further rightward movement of the spindle 144 under the influence of engine vacuum acting on diaphragm 140, whereby the increase in ambient temperature tends to cause rightward movement of the valve spindle 132. When the engine has reached normal temperature, the valve orifices 110, 112 are completely closed to cut off the supply of supplementary mixture.
Patent GB-225685-A (GB)
Title: Fuel for internal combustion engines
IPC: C10L1/18
Filed: 1924-08-15
Abstract: Motor spirit consists of about 50 lb. of petrol and 50 lb. of a mixture of 2-1 lb. of alcohol with 1-2 lb. of ether.  Up to 5 lb. of castor oil may be added to assist lubrication and prevent corrosion from acid formed by combustion of the alcohol.
Patent GB-784611-A (GB)
Title: Curing of polymerisable materials
Inventor: FOSTER GEOFFREY LAMBSIN
IPC: C08G63/676
Filed: 1954-09-22
Abstract: Acrylate and methacrylate esters are cured or polymerized in the presence of a drier, e.g. cobalt, manganese and lead naphthenates, a hydroperoxide curing catalyst, e.g. cyclohexyl, methyl ethyl ketone, tertiary butyl, paramenthane, di-isopropyl benzene and cumene hydroperoxides, and an ester derived from an allyloxyalkanol, e.g. alpha-allyl glyceryl phthalate and succinate and allyloxymethyl and allyloxyisopropyl methacrylates. Suitable acrylic and methacrylic esters are the polyesters described in Specification 607,888, e.g. ethylene glycol methacrylate/phthalate.  The process may be used in making laminates with glass-cloth reinforcement, the allyloxyalkanol component being either mixed with part or the whole of the laminating resin or else a solution, e.g. in glycol dimethacrylate, may be brushed or sprayed on to the outer layer of the laminated body.
Patent GB-318838-A (GB)
Title: Improvements in or relating to kinematographic photography and more particularly for the production of animated backgrounds for exposure in the studio by kinematographic projection
IPC: G03B15/10
Filed: 1929-09-09
Abstract: 318,838. Le Prieur, Y. Sept. 7, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Optical-projection apparatus.-In taking composite kinematograph pictures, the action is photographed in front of a screen b upon which are projected, from the front or from the rear, kinematograph pictures of the appropriate scenery &c., represent. ing in correct perspective and proportions, far distance effects, background, and middle ground, which ordinarily are constituted by painted scenery and models. The taking camera a and the background projector d are synchronised by the use of either synchronous driving motors, or a common rigid transmission gear. A powerful light-source is used in the projector, such as an electric arc arranged in a water-cooled lantern provided with a condenser of " Pyrex " glass. More than one projector may be employed to increase the brilliance of the pictures on the screen; each projects the same picture-series, and distortion of the projected pictures is prevented by operating each with its film parallel to the screen but inclined to the axis of the projector.
Patent GB-1387365-A (GB)
Title: Apparatus and process for forming contoured impressions
IPC: A47C31/12
Filed: 1973-06-08
Abstract: 1387365 Moulding seat cushions CONTOURPEDIC CORP 8 June 1973 [8 June 1972] 27438/73 Heading B5A Apparatus for forming impressions of the gluteus maximus and back of a human for moulding seat cushions comprises a frame 10 having a first platform 26 and a second platform 28, a first flexible container 16 for forming an impression of the gluteus maximus region and containing particulate material 50 on the first platform and a second flexible container 18 for forming an impression of at least a portion of the back and connected to a reservoir 56 of particulate material 50 and mounted on the second platform. Spacers 12, 14 may be placed between frame 10 and containers 16, 18 respectively, and containers 16, 18 may be connected to a pump 20. Initially, seat container 16 is at atmospheric pressure and the particulate material for the back container 18 is in reservoir 56. Then, the person whose impression is to be taken is seated on seat container 16, which is then pressurized by pump 20 to raise him above the surface of the particulate material therein and then slowly vented to allow the material to flow and conform to the surface of the patient. After further reduction of pressure, the particles and container 16 become rigid. Container 18 is then pressurized, reservoir 56 raised to allow particulate material to flow downwardly and container 18 similarly moulded. A release material is then layed or sprayed, e.g. rubber sheet 22 or silicone sprays, on to the moulded containers and a cover 24 is positioned thereover. A rigid foam-forming composition, e.g. polyurethane is introduced into the cavity formed, foamed and cured to produce a positive impression of the human form, which is then used, together with cover 24 and a blank impression shell 10 to produce a negative impression cushion from a flexible foam-forming composition which may also be polyurethane. The particulate material used in the containers may be rigid solid or hollow spheres or granules or hollow, semi-rigid balls, e.g. polypropylene balls. The containers may be formed from flexible films, e.g. of polyurethane, polyvinyl or rubber coated nylon, heat-sealed at their edges.
Patent GB-1156843-A (GB)
Title: Improvements in or relating to Compaction Processes
Inventor: BUTCHER JOHN WILLIAM
IPC: C22C1/04
Filed: 1966-06-20
Abstract: 1,156,843. Hot pressing metal powders. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. June 1, 1967 [June 20, 1966], No.27539/66. Addition to 1,090,263. Heading C7D. The hot pressing process disclosed in Patent Specification 1,090,263 is applied to the hot pressing of Cr, Nb, W, Fe and stainless steel. The activators used are B, C, Cr, V, Re, Fe, Co, Ni, Ru, Rh, W, Mo, Mn, Pd, Os, Ir, Pt and Si and they may be added to the metal powder as a powder or by the decomposition of a volatile compound such as SiHCl 3  or Mo(CO) 6 . The metal powders containing the activator are then hot pressed in vacuo.
Patent GB-1248714-A (GB)
Title: Crystallisation columns
IPC: B01D9/00
Filed: 1970-06-08
Abstract: 1,248,714. Crystallizing column. SULZER BROS. Ltd. 8 June, 1970 [9 June, 1969; 15 April, 1970], No. 27645/70. Heading B1G. A reflux crystallization column 1 having a heater 9 at one end and a cooler 6 at the other end is divided by transverse perforated partitions 2, the partitions being connected together, e.g. by longitudinal rod 4, and arranged for movement relative to the walls of the column. Rotary and/or reciprocating motion may be imparted. The partitions may be of wire mesh, or perforated or expanded sheet metal. The locations of the heater and cooler may be interchanged. As shown impure substance enters at 10 and melted pure substance is collected at 11.
Patent GB-690348-A (GB)
Title: Cooling arrangement for valve guides of thermal engines
IPC: F01P3/14
Filed: 1950-11-13
Abstract: 690,348. Cooling valve guides; lubricating valves. SOC. ANON. A. CITROEN. Nov. 13, 1950 [Nov. 30, 1949], No. 27700/50. Class 7 (ii) [Also in Group XXIX] In an air cooled engine cylinder, oil from the engine lubrication system pumped through a feed regulator 8 and passages 1, 3 in the cylinder head passes between a jacket 6 and valve guide 7 to cool the latter and emerges to lubricate the exhaust or other valve 9 before passing back to the engine sump through valve rocker rod clearance holes or cylinder head passages (not shown).
Patent GB-756567-A (GB)
Title: Improvements relating to electric flash discharge lamps
Inventor: BEESON ERIC JOHN GEORGE
IPC: H01J61/54
Filed: 1953-10-08
Abstract: 756,567. Discharge lamps. BRITISH THOMSON-HOUSTON CO., Ltd. Oct. 8, 1954 [Oct. 8, 1953], No. 27712/53. Class 39 (1). A flash discharge lamp has a helical envelope 1 supported by metal posts 3 extending from the base 2, one of the posts constituting an electrode of a capacitor 3, 5, 6 electrically in series in a starting circuit including a starting electrode 4 on the exterior surface of the envelope 1. The capacitor comprises a glass or ceramic tube on which is located a metal sleeve 6, e.g. a metal foil or metal paint, to which the ends of the starting electrode 4 are connected. The starting electrode 4 may pass over the sleeve 6 or separate loops of conductor 7 embrace the sleeve 6 and the envelope 1 to support the envelope. An incandescent lamp may be housed within the convolutions of the envelope 1. A glass cover 10 is provided. The envelope 1 may be filled with xenon at several cms. pressure and the electrodes are connected to terminals 9. The Provisional Specification refers to Specification 648,418.
Patent GB-1117815-A (GB)
Title: Improvements in or relating to valves
Inventor: MARTIN FRANK
IPC: F16K1/32
Filed: 1965-06-30
Abstract: 1,117,815. Valves. HALE, HAMILTON (VALVES) Ltd. 9 June, 1966 [30 June, 1965], No. 27794/65. Heading F2V. [Also in Division G3] A metering valve, wherein an axially movable valve member 19 sealingly received at its lower end 23 in the interior of a tubular sintered powdered metal filter element 25, is used to control the area of the filter available for the passage therethrough of fluids. The filter is located in a connecting passage 14 between the inlet 11 and outlet 12 of the valve. The upper end of the passage is closed by a plug 16 held in position by a cap 17 that is secured to the body 10 by screws 18. The stem of valve member 19 is threaded and passes upwardly through the threaded end 21 of the cap 17, a hand wheel 22 is provided at the upper end of the stem. The lower end 23 of the valve member 19 is of inoreased diameter so as to fit in the second stepped portion 13<SP>1</SP> of the bore 14. Sealing is provided by an 0-ring 24 held in a groove in 23. Further rings 26 and 27 are also provided. By rotating the hand wheel 22 the end 23 can be moved upwardly and downwardly to expose a greater or lesser extent of the filter 25 below the position at which the 0-ring 24 in the portion 23 seals against the interior of the filter.
Patent GB-1308115-A (GB)
Title: Razor with pivotally mounted safety guard
IPC: B26B21/16
Filed: 1971-06-15
Abstract: 1308115 Razors GILLETTE CO 15 June 1971 [1 July 1970] 27900/71 Heading B4B A safety razor comprises a head portion 4 for supporting a blade B and a guard member 20 pivotally mounted on the head and having a slot 28 to receive a cutting edge of a blade in the razor. The guard is pirotally mounted on the head so that, during use, the exposure of the cutting edge in relation to the guard may be varied by altering the angular position of the handle 2.
Patent GB-765596-A (GB)
Title: Improvements in photogphic enlargers
IPC: G03B27/54
Filed: 1954-09-28
Abstract: 765,596. Photographic enlargers. METEOR APPARATEBAU P. SCHMECK GES. Sept. 28, 1954 [Oct. 9, 1953], No. 27924/54. Classes 97(1) and 98(1) A photographic enlarger uses an aspherical mirror for concentrating the light from the lamp. As shown, light 'from the lamp 6 is coricentrated on the negative 7 by the aspherical mirror 5 adjustable in a ball socket mounting 12. The lamphouse and projection lens are separately adjustable on the column 2 by rack and pinion adjustments 14, 16.
Patent GB-857527-A (GB)
Title: Improvements in or relating to the severing of glass tubing
Inventor: ASHER PHILIP
IPC: C03B33/095
Filed: 1958-09-01
Abstract: 857,527. Gas burners. GENERAL ELECTRIC CO Ltd. Aug. 1, 1959 [Sept. 1, 1958], No. 27988/58. Class 75(1). [Also in Group XXIII] A gas burner providing inwardly directed radial jets for heating a glass tube to sever it by cracking comprises annular plates 43, 44 secured by bolts 51 and having annular channels 45, 46 forming a passage to which an air and gas mixture is fed through a pipe 4, the plate 44 being formed with radial slits 48 which form jets.
Patent GB-242980-A (GB)
Title: Improvements in or relating to steam or other vapour power plant utilising soda or like auxiliary fluid
IPC: F22B1/20
Filed: 1925-11-06
Abstract: 242,980. Koenemann, E. Nov. 14, 1924, [Convention date]. Heating by caustic soda and the like. - In a caustic soda or like boiler having a counter current preheater 10 between the vessel 2 in which the lye is diluted by injecting steam and the vessel 1 in which the lye is concentrated by external heating, the pressure of the lye is raised before it is returned to the evaporator above the pressure in the evaporator. Lye from the vessel 2 is forced by a pump 9 through the preheater and into the evaporator through a throttle valve 11. The concentrated lye flows from the evaporator to the vessel 2, through the preheater and throttle valve 14. Steam is taken off from the evaporator to operate an engine the exhaust from which is led into the vessel 2 through a nozzle 6. The heat liberated during dilution of the lye heats a boiler 7 from which steam is taken through a pipe 8.
Patent GB-280305-A (GB)
Abstract: 280,305. Stothert & Pitt, Ltd., and Presland, C. W. Aug. 24, 1926. Adjustably supporting endless-belt conveyers.- In conveying apparatus for transferring coal &c. from a supply hopper to a storage receptacle, or other dumping place, the conveyer is raised automatically and intermittently about a horizontal axis so that the material discharged therefrom only falls through a short distance. An endless conveyer d is mounted on a horizontal pivot e in the supporting structure b of a supply hopper a. The delivery end of the conveyer is supported above the central portion of the floor of an overhead storage bin f by a. rope g which is wound on a winch actuated by an electric motor i. A plate s is suspended from a pivot t carried by a plate u pivoted to the conveyer framework. A fork-shaped extension s<2> of the plate,s embraces the lower arm v of an insulated switch lever pivoted to the plate u. The upper arm v<1> of the switch lever is arranged to move between a fixed stop w and an insulated contact x carried by the plate u. The switch lever v, v<1> and contact x are connected by leads y, y<1> to the control mechanism of the motor i. When the plate s is displaced by the dump 1, the motor i will be started and will raise the end of the conveyer a predetermined extent. During this movement the plate s returns to its vertical position. The plate u is connected by a link 3 to a station. ary arm 4.