baber/WOPTO huggingface dataset:
Patent GB-1236613-A (GB)
Title: Axial plunger pump
IPC: F04B1/14
Filed: 1968-06-14
Abstract: 1,236,613. Reciprocating pumps. SHIMADZU SEISAKUSHO Ltd. June 14, 1968 [June 14, 1967], No. 28495/68. Heading F1A. A hydraulic pump comprises a drive-shaft 19 rotatable in a central aperture 28 of a cylinder block 27, and on which are mounted two plates 22, 23 at least one of which is inclined to the axis of the shaft, such that the axial forces are absorbed by the plates. Plug member 41 and plunger 42 of the plunger assembly 40, abut slidably and sealingly the surfaces 22a, 23a of the plates, and define a pumping chamber 44 in the cylinders 32, which are disposed about the central aperture Figs. 2 and 3 (not shown). Oil is introduced into the pumping chamber by means of the intake 13, channels 60, 61, arcuate part 47, and passage 46, whilst the members 41, 42 relatively move apart; the arcuate part 47 in plate 22 Fig. (not shown) connects passage 46 and channel 61 during the outward movement of the plunger assembly only. With 47 closed, inward movement of the plunger assembly forces oil through the check valves (56) Fig. (not shown) and an annular recess 31 to the outlet 14. In another embodiment Fig. 4 (not shown) two opposed swashplates are inclined to the axis of the shaft and each cylinder has two plungers which draw oil through arcuate parts formed in the swash-plates. In a further embodiment Fig. 5 (not shown) the cylinder block is axially slidable, and each cylinder has a spill part closed by the plunger 42 on the discharge stroke at a point determined by the axial locatic of the cylinder block.
Patent GB-495142-A (GB)
Title: An automatic book-mark
IPC: B42D3/14
Filed: 1937-10-20
Abstract: 495,142. Bookmarkers. SONDERSOE, M. Oct. 20, 1937, No. 28545. [Class 16] A bookmarker comprises a clip 2 of metal &c. for attachment to a book cover and a strip 6 of cellu loid &c. forming the marker element attached to the clip by means of a connecting strip 5 of flexible material, such as cellulose acetate, frictionally engaging the clip in such a manner as to be easily displaceable longitudinally with respect thereto to vary the effective length of the strip 5, whereby the bookmarker may be readily adapted to different sizes or thicknesses of books and, due to the flexibility of the strip 5, the marker element 6 automatically passes from page to page of the book as the pages are turned. The clip 2 is a spring clip formed with a slot 3 by cutting the material and bending up the cut-out portion to form an upstanding tongue 4. The flexible strip 5 is passed through the slot 3 and between the legs of the clip 2 which grip the strip, the tongue 4 tending to maintain the strip in the foldedover condition as shown. A further slot 7 can be provided in the clip through which the strip 5 can be threaded.
Patent GB-662410-A (GB)
Title: Improvements in and relating to casement windows
IPC: E06B9/52
Filed: 1949-11-08
Abstract: 662,410. Windows. BELL, J. Nov. 8, 1949 [Feb. 8, 1949], No. 28620/49. Class 20(iii) In a casement window 23 having a flyscreen 13 secured to the stationary frame, the opening at the base of the screen through which the window stay works is covered by a casing 16 having an operating lever housed therein. The lever is provided with a crank handle 21a and is linked to the stay 22.
Patent GB-1492010-A (GB)
Title: Method for brominating cinnamalacetophenone
IPC: C07C67/00
Filed: 1976-07-09
Abstract: 1492010 Bromination of cinnamalacetophenone CHEMETRON CORP 9 July 1976 [10 July 1975] 28620/76 Heading C2C Cinnamalacetophenone tetrabromide is obtained by mixing Br 2  with cinnamolacetophenone in a reaction medium comprising at least one saturated (C 6 -C 12 ) linear aliphatic hydrocarbon or a (C 5 -C 8 ) cycloaliphatic hydrocarbon. This mixing may be carried out at a temperature from 0 to 80 C. The weight ratio of reaction medium to cinnamalacetophenone may be from 5 : 1 to 20 : 1. In an embodiment, when cyclohexane is used as reaction medium it may be recycled as a mother liquor from a first batch in a series of batches for the production of cinnamalacetophenone tetrabromide to a subsequent batch, and also from 98 to 99À5% by weight of the stoichiometric amount of Br 2  may be used in subsequent alternating batches.
Patent GB-290508-A (GB)
Title: Improvements in and relating to aerated baths
IPC: A61H33/02
Filed: 1927-10-27
Abstract: 290,508. Bruggmann, G. A. Oct. 27, 1927. Roses.-An aerated bath attachment applicable for use as a shower comprise a flat hollow body 1, Fig. 1, provided with openings 4 and an end wall 5 formed with a socket 6 adapted for connection with an air supply. The end 5 may be detachable and secured by flange screws 12 so that the device may be reversed as shown in Fig. 3, with the orifices directed downwardly for use as a shower bath. Hinged side bars 16 may be provided for supporting the fitting on the sides of the bath.
Patent GB-321039-A (GB)
Title: Improvements in apparatus for projecting light
IPC: F21S8/00
Filed: 1928-10-05
Abstract: 321,039. Digby, T. J., and Gibbons, A. O. Oct. 5, 1928. Lens-holders special to lanterns; light reflected by trough-shaped reflectors; electric lamp lanterns; screens.-A lamp for flood lighting buildings, stage lighting or vehicle head lights has a cylindrical lens 18 so arranged that the light rays are projected in ribbon form, provision being made for adjustment of the distance between the lens and light source. The light source 7 comprises a long filamemt electric bulb supported by a stem 5 adjustably secured in a boss 4 by a screw 9. A narrow sheet metal reflector 14 is arranged behind the lamp on a shield 10 the rest of which is blackened and the open front of the case 1 has a forwardly projecting extension 17 in which the lens 18 is adjustably mounted. The lens is carried by a frame 19 adapted to be locked in any position by wing nuts 19<1> on screws 20 passing through slots 21 in the sides of the extension 17. In front of the lens is arranged a window 24 which may be coloured. The casing 1 is mounted on pivots 2 and has ventilators 25 which may be moved to project always downwards so as to keep out rain. When used for illuminating buildings the lens 18 may be inclined relatively to the lamp filament. Instead of a plano-convex lens as shown a double convex cylindrical lens may be used. To continually change the colour of the projected light the lamp 7 may be surrounded by a revolving screen comprising panes 26 - - 29, Fig. 6, of differently coloured glass held in a cage, formed by bars 32 fixed to rings 31. Peripheral grooves in the rings 31 engage rollers 34 freely mounted on posts 12, 12, 13 and the lower ring has teeth 35 engaging a worm 36 on the spindle of a small electric motor 37. The glass panes may have inclined bands of different colours and the lamp bulb may be silvered at 38 to act as a reflector. To ensure adequate ventilation the motor 37 may operate a small fan drawing a current of air through the casing.
Patent GB-519795-A (GB)
Title: Improvements in or relating to a method of shaping thermoplastic transparent plates
IPC: B29C51/10
Filed: 1938-10-03
Abstract: 519,795. Moulding synthetic resins. ROHM & HAAS AKT.-GES. Oct. 3, 1938, No. 28702. Convention date, Oct. 1. 1937. [Class, 87 (ii)] Shaped bodies are formed from heated transparent plates of thermoplastic polymers of organic compounds containing the group CH2=C< by drawing the plates into moulds by means of reduced pressure, the peripheral parts being free to follow the central parts into the mould. The organic compounds may comprise styrene, vinyl acetate, and esters of acrylic and methacrylic acid. The moulds may be of metal, stone-ware, gypsum &c. and may be lined with fibrous substances. A number of suction conduits which are independently regulable are provided on the mould so that the suction on different parts of the article may be varied. The edges of the mould are preferably bevelled and greased to make an air-tight joint. The formed. articles may afterwards be pressed and stamps may be used to shape parts of the article in conjunction with the suction process.
Patent GB-1020273-A (GB)
Title: Improvements in or relating to clay piping or conduit
Inventor: CARTER RAYMOND CHARLES
IPC: F16L21/00
Filed: 1964-07-11
Abstract: 1,020,273. Clay pipes; pipe Joints. HEPWORTH IRON CO. Ltd. Jan. 12, 1965 [July 11, 1964], No. 28735/64. Headings F2G and F2P.  Piping comprises lengths 1, 1A of clay pipe of round cross-section and plain and square at both ends, and sleeves 3 of slightly resilient synthetic plastics material the inside surface of each of which tapers outwardly from the middle of the sleeve towards both ends. The minimum internal diameter of the sleeves at the middle is less than the outside diameter of the pipe-lengths and the maximum internal diameter of the sleeves at the ends is greater than the outside diameter of the pipe-lengths, the thickness of the sleeves being such that the sleeves yield to the precise profiles of the pipelengths on being forcibly fitted thereon. The sleeves may be of uniform thickness or have a uniform external diameter or be otherwise shaped externally to give an increasing thickness towards the middle of the sleeves. An adhesive and/or filler may be applied to the pipeends before application of or into the sleeves, or a lubricant/filler material may be used; a dried coating may be provided and rendered semi-liquid or sticky by a solvent or heat. One or more integral projections may be provided at the middle of the sleeves.
Patent GB-958932-A (GB)
Title: Apparatus for affixing self-tapping screws in sheet metal
IPC: B25B21/00
Filed: 1961-08-09
Abstract: 958,932. Screwing-up. A. SCHLOTTER, and H. WEISSENHORN. Aug. 9, 1961, No. 28808/61. Heading B3N. A device for applying self-tapping screws comprises threaded jaws 16 to embrace a screw S, a centring sleeve 2 on which the jaws are mounted for axial and radial opening movement, and means 6 on the sleeve for embracing the head of a screw. The jaws are held on the sleeve by a spring 4 and circlips 3 and are engaged by a spring 8. The sleeve 2 is urged forwardly by a spring 14 around a guide 12. The guide 12 carries a screw-driver bit 7 which can be rotated by an electric hand-tool connected by a shaft 10 and a coupling 11. The jaws carry pins 20 engaged by a sleeve 21 sliding on a housing 17. In operation, a screw is inserted into the jaws 16, the sleeve 21 is released to allow the spring 8 to close the jaws and the screw is inserted. In a modification, the spring 14 and the sleeve 21 are dispensed with.
Patent GB-1103756-A (GB)
Title: Method of stretching thermoplastic films and apparatus therefor
IPC: B29C49/00
Filed: 1965-07-07
Abstract: 1,103,756. Stretching thermoplastic films. SEKISUI KAGAKU KOGYO KABUSHIKI KAISHA. 7 July, 1965 [14 July, 1964], No. 28853/65. Heading B5B. In a method of stretching a continuous thermoplastic film wherein the film is passed successively through first pinch rolls, a heater and second pinch rolls having a greater surface speed, the heater is filled with steam above normal atmospheric pressure and the film is passed therethrough overlapped in at least three plies such that the film entry and film exit of the heater are substantially sealed by the overlapped film. The stretched film may be subsequently heat-set. In one embodiment (Fig. 1) films a from reels 2 are freed from wrinkles by passage through first pinch rolls 31, 31<SP>1</SP> and free rolls 3. The films are then pre-heated at 6 and slit longitudinally into a plurality of strips a<SP>1</SP> by slitter 4, wh ch is interchangeable with a spare slitter 4<SP>1</SP>. The slit films a<SP>1</SP> are then passed through lubricating bath 8 and guide plate 7, which aligns and superimposes the strips, and then through entry 9 into heater 10 which is supplied with saturated steam under pressure by pipes 11, 11<SP>1</SP>. The films leaving exit 13 are passed to second pinoh rolls 15, 15<SP>1</SP> rotating at such a speed that the films are stretched, e.g. 10 times. The stretched film a<SP>11</SP> is then passed through entry 18 of heat-setting heater 19, which is also supplied with steam under pressure from pipes 20, 20<SP>1</SP>. The films are then passed through rolls 23, 23<SP>1</SP> rotating at a speed equal to or less than the speed of rolls 15, 15<SP>1</SP> and are wound up at 25. Heater entries 9, 18 and heater exits 13, 22 are provided with sliding elements 93, 93<SP>1</SP> (Fig. 3) which may be moved together or apart by screw 94 to adjust the size of aperture 92 to the width of the film bundle. In a further embodiment, the films entering the heaters are not slit but are overlapped by folding in a guide. The films may remain at least 5 seconds in the stretching heater, which is maintained at constant and uniform temperature by the saturated steam. Films treated may be of polyethylene, polypropylene, polyvinyl chloride, polyacrylonitrile, polyethylene terephthalate, polyvinylidene chloride or polycarbonate.
Patent GB-699416-A (GB)
Title: Improvements in or relating to motion transmitting mechanisms
Inventor: L ABEE-LUND JOHAN HENRIK
IPC: F16J15/52
Filed: 1950-11-24
Abstract: 699,416. Magnetic compasses. L'ABEELUND AKTIESELSKAPET. Nov. 24, 1950, No. 28857/50. Class 97 (ii). [Also in Group XXIV] The inclined crank mechanism for transmitting rotary and/or axial motion from one side to the other of a flexible impervious diaphragm is employed in a liquid-filled compass for adjusting the compass card disc 36 and marching-direction indicator 37, and for operating a locking lever 39 for the entire oscillatory unit. A serrated operating button 42 has an inclined bore, radial recess or diametral slot receiving the inclined crank 14, and the latter is surrounded by a sleeve 17 integral with, or clamped to, the diaphragm 3 sealing the compass housing 30. The diaphragm is clamped by a sleeve 41 screwed into a housing socket 33 on which the button is slidably and rotatably mounted. Two pairs of resilient arms 48, 49 secured to the button co-operate with grooves in the sleeve 41 to lock the button in an outer position (full lines), a first inner position (dotted lines), or a second inner position (arms 49 riding on the surface 41a). A slidable frame 56 supports the crank shaft 10, on which is mounted a gear 63, and a driven gear 69 carrying a disc 70 of synthetic rubber or the like which may be toothed and which drives the disc 37. A spring 64 inserted between the frame and the lever 39, which is pivoted at 67, holds the crank 14 in engagement with the button 42. The frame 56 also carries an undulated stopping arm 71 whose end is serrated to engage the magnetic disc 76. The shaft 10 is connected by a tube to a plug 74 having a head of synthetic rubber or the like to engage frictionally and drive the disc 36. Alternatively the shaft 10 may be formed with a conical driving end. The disc 76 carries a magnetic element 38 which is formed as, or moulded in, a rim thereon. The disc 76 is keyed to, and the discs 36, 37 are rotatably supported by, a flanged bearing member 78 having a cap nut 79 and a jewel bearing for a pin 84 on which the oscillatory unit normally rests. In order to rotate the discs 36, 37 relatively to the disc 76, the button 42 is pressed so that the frame 56 engages an oblique surface 88 of the lever 39 and rocks about its pivot 67 until the oscillatory unit is raised against the housing cover 31. In the first inner position of the button the oscillatory unit is raised, bringing the discs 37, 70 into frictional driving engagement and causing the arm 71 to engage and look the disc 76 so that rotation of the button rotates the disc 37. 'In the second inner position the arm 71 and disc 70 are compressed until the plug 74 frictionally engages the disc 36 so that rotation of the button rotates disc 36 relatively to disc 76. The end of the arm 71 may be forked to engage a V-shaped periphery of the disc 76.
Patent GB-1419910-A (GB)
Title: Synthesis of itaconic acid from 2,4,4-substituted-2-oxazolines and intermediates thereof
IPC: C07D263/14
Filed: 1974-06-28
Abstract: 1419910 2,4,4 - Substituted - 2 - oxazolines and itaconic acid PFIZER Inc 28 June 1974 [6 July 1973] 28921/74 Heading C2C Novel compounds of Formula (III) where R is C 1 -C 4  alkyl may be prepared by reacting a compound of Formula (II) with HCN in the presence of an alkaline catalyst and in a reaction-inert solvent. Novel compounds of Formula (I) may be prepared by heating a compound of Formula (III) in the presence of an alkanoic acid or anhydride at a temperature of from 70‹ to 140‹ C. Novel compounds of Formula (Ia) may be prepared by dehydrating a compound of Formula (III) in the presence of a tertiary amine salt catalyst in a reaction-inert solvent at a temperature of from 130‹ to 160‹ C. Itaconic acid may be prepared by heating a compound of Formula (I) at a temperature of from 75‹ to 160‹ C., in the presence of an aqueous mineral acid, and itaconic, mesaconic or citraconic acid may be prepared by heating a compound of Formula (Ia) at a temperature of from 75‹ to 160‹ C. in the presence of an aqueous mineral acid. Paraconic acid may be prepared by heatng a compound of Formula (III) at a temperature of from 75‹ to 150‹ C. in the presence of an aqueous mineral acid.
Patent GB-323745-A (GB)
Title: Improvements in the manufacture of safety glass
IPC: B32B17/10
Filed: 1928-10-08
Abstract: 323,745. Burnet, E. Oct. 8, 1928. Presses.-Sheets of glass are united during the setting of a suitable cement applied thereto by a press provided with a pneumatic cushion i, air being admitted by the stop-cock c to the piston d. The pressing operation takes place in a box a on a wood base k, the box being exhausted through the pipe l. The platen of the press is provided with a rubber cushion g by which the edges of the compound sheets are clamped before air is admitted for the final pressing. The sheets may be supported with suitable cement applied thereto on stepped supports m on which they are pressed.
Patent GB-1207506-A (GB)
Title: Fire extinguishing foam
Inventor: HAFIKE EDWARD
IPC: A62C31/00
Filed: 1967-06-22
Abstract: 1,207,506. Foam generator; spray producers. E. HAFTKE. 13 June, 1968 [22 June, 1967], No. 28944/67. Headings B1C and B2F. A foam generator has a coupling 2 for connection to a source of foam-forming liquid under pressure, a cylindrical mixing chamber 1 of uniform cross-section A, a liquid diffuser tube 3, an intermediate chamber 6 of volume V and increasing diameter, and a delivery nozzle 8 of decreasing diameter and volume 2V/5   the cross-section of the outlet being 6/5 A. There are air intakes 4, 5 in the mixing chamber and a gauze or perforate plate baffle 7 in the intermediate chamber. The apparatus provides a foam of air/water ratio of 9:1.
Patent GB-289972-A (GB)
Abstract: 289,972. Dreyfus, H. Feb. 8, 1927. Acetic and other aliphatic acid anhydrides are obtained by treating the vapour of the acid (which may be dilute) at a high temperature with or without catalysts, and then treating the product with water-binding substances at a lower temperature to absorb the water while leaving the anhydride in vapour form. The decomposition may be effected by the vapour through a copper or fireclay tube at 200-1200‹ C., preferably 700-1000‹ C. and the water-binding substance such as a bisulphate or pyrosulphate of an alkali or alkaline earth metal, zinc or calcium chloride, or ortho-, pyro-, or meta,- phosphoric acid (but excluding sulphuric acid) is heated to a lower temperature, preferably above the boiling points of water and of the anhydride at the pressure prevailing but below the temperature at which the water-binding substance would be dehydrated. In an example the vapour of glacial acetic acid is passed through a tube heated to 800-1000‹ C. and the water is absorbed by sodium pyrosulphate or bisulphate or by phosphoric acid at 150-350‹ C., preferably about 150-200‹ C. Normal or reduced pressure may be employed. The water-binding substance may be regenerated by heating outside the apparatus, or may be circulated to and from a, heating zone continuously. Specifications 256,664, 257,968, 279,916, and 280,972 are referred to.
Patent GB-1079879-A (GB)
Title: Improvements in or relating to collapsible metal tubes
Inventor: D LEMOS RICHARD FRANK
IPC: B65D35/38
Filed: 1965-07-08
Abstract: 1,079,879. Collapsible tubes. FLEXILE METAL CO. Ltd. July 6, 1966 [July 8, 1965], No. 29017/65. Heading B8D. A collapsible metal tube having an integral nozzle (3), Fig 1, -is fitted with a synthetic plastics covering (7) for the nozzle (3), the covering comprising an inner tubular member (10), -extentling 'irito "lihs 'tube ibelow the lower end of the nozzle to form a trap, and an outer tubular member (11) surrounding the outer-wall of the nozzle and screw-threaded to receive a cap. The nozzle (3) has axial serrations (5) above an annular groove (4) which engages a corresponding rib (12) on the member (7) to prevent it from moving. The rib may be formed on the nozzle and engage a groove in the member (7), Fig. 2, which ray 'have an integral elongated nozzle. The inner tubular member (10) may be tapered at its lower end. The tube may be impact-extruded.
Patent GB-248102-A (GB)
Title: An improved device to control gas-lighting from a distance
IPC: F23Q21/00
Filed: 1924-12-04
Abstract: 248,102. House, G. Dec. 4, 1924. Valves controlled from a distance.-A gas controller for use on low pressure systems and of the kind employing a mercury seal main valve is fitted with an atmospheric dash-pot device to prolong the flash of the bye-pass. The main valve comprises a bell B working in conjunction with a seal b<1>and connected on the one side with the bye-pass valve a<7> and on the other to a leather diaphragm b<2>. The chamber D above the diaphragm communicates with the atmosphere through an orifice controlled by a screw d<1>. An adjustable stop d<2> is provided to prevent the bye-pass valve from closing entirely.
Patent GB-353773-A (GB)
Title: Improvements in lock nuts
IPC: F16B39/34
Filed: 1930-09-29
Abstract: 353,773. Lock-nuts. WHITE, A. E., 5, Quality Court, Chancery Lane, London.- (Sundh, A.; 1, Pine Crest Drive, Hastingson-Hudson, U.S.A.) Sept. 29, 1930, No. 29157. [Class 89 (i).] A nut a has a spring member b inserted in its upper surface, and secured at one end a<3>, and encircling the bolt, damage to the bolt threads being prevented by a soft metal lining c. In a modification the spring is helical in form to provide a plurality of turns.
Patent GB-1011059-A (GB)
Title: Electric slide switch with shielded terminals
IPC: H01H15/04
Filed: 1962-07-30
Abstract: 1,011,059. Mechanical switches, without switch action; switch cases. STACKPOLE CARBON CO. July 30, 1962 [Sept. 13, 1961], No. 29186/62. Heading H2B.  A switch comprises a movable contact 12 slidable along a row of fixed contacts 1 mounted on top of an insulating base 2 which defines a pair of parallel longitudinal channels 16, 17, in which are mounted terminals 18, 19, 20, from the fixed contacts, a channel-shaped metal housing 3 covering the contacts and the upper portion of the base and an insulating plate 27 covering the lower portion of the base so as to shield the terminals, the base and plate having interengaging portions to secure them together. Plate 27 has a pair of spaced projecting slotted tongues 30 which snap into sockets 29 in the base behind shoulders formed from ribs 32 in the sockets, Fig. 2, the shape of the shoulders determining whether the plate is removable or not. The movable bridging contact 12 is spring-pressed against the fixed contacts and is changed over by moving an insulating slide 7 which has a button 8 extending through a slot 9 in the upper wall of the housing 3 and a channel 10 into which the fixed contacts extend. The housing 3 is secured to the base 2 by depending ears 4 which extend through notches in the base and into recesses 5 where the lower ends of the ears are staked, Fig. 1. U.S.A. Specification 3,097,269 is referred to.