baber/WOPTO huggingface dataset:
Patent GB-1431162-A (GB)
Title: Accumulator
IPC: F15B1/14
Filed: 1974-04-10
Abstract: 1431162 Hydraulic accumulators N SUGIMURA and K SUGIMURA 10 April 1974 15814/74 Heading F1D An accumulator, Fig. 1, which has a lid 3 and a body portion 1 has a ring 7 with a recess for receiving a flange 6 of a diaphragm 5, an upper portion 10 which fits within the lid and a curled lower edge 8. Faces 14, 16 of the lid and body are electron welded and the ring is welded to the inside of the lid. In Fig. 4 the ring has a ceramic insert 24. Various shapes of ring are illustrated in the Figs. 2 and 3, (not shown).
Patent GB-686795-A (GB)
Title: Quaternary ammonium salts of pyridine compounds
IPC: C07D213/74
Filed: 1950-06-24
Abstract: The invention comprises compounds of the general formula <FORM:0686795/IV (b)/1> wherein R represents <FORM:0686795/IV (b)/2> in which the alkyl group contains at least 8 (preferably 12-14) carbon atoms and x represents chlorine, bromine, iodine or hydroxyl, A is the same as R or represents -CH2COOM, M represents an alkali metal or hydrogen, n is 1 or 2, and the (or each) alkylene group contains not more than 4 carbon atoms. These compounds may be made by reacting a compound of the general formula Halogen-(alkylene-NH)m-alkylene-Y (wherein Y represents halogen or NH2 and m is 0 or 1) with an aminopyridine, which is previously or subsequently quaternated by the action of an alkyl halide having at least 8 carbon atoms in the alkyl group, and finally introducing the acetic acid residues by the process of Specification 600,629 or by the action of sodium chloracetate in weakly alkaline buffered aqueous solution at an elevated temperature.  The products are useful as bactericides, whilst with copper ions they yield copper complexes useful as fungicides.  In examples: (1) 2 mols. of lauryl a -aminopyridinium chloride are heated with 1 mol. of di-(chlorethyl)-amine, and the base liberated from the resulting hydrochloride by the action of caustic soda is reacted with formaldehyde, sodium cyanide and caustic soda and then with hydrochloric acid; (2) the di-(chlorethyl)-amine in (1) is replaced by 1 : 4-butylene dichloride and the lauryl a -aminopyridinium chloride by the g -isomer; (3) equimolecular proportions of lauryl a -aminopyridinium chloride and 1 - chloro - 2-aminoethane are heated together, and the product is further treated as in (1); (4) 2 mols. of lauryl a -aminopyridinium bromide are heated with 1 mol. of ethylene dichloride, and the product is treated with caustic soda and reacted with sodium cyanide, formaldehyde and caustic soda, and finally, if desired, with hydrochloric, hydrobromic or hydriodic acid.
Patent GB-299279-A (GB)
Title: Improvements in the manufacture of sulphonated aminoanthraquinone
Filed: 1928-05-30
Abstract: 299,279. Imperial Chemical Industries, Ltd., Davidson, A., Tatum W. W., and Watts, G. E. May 30, 1928. 1-Aminoanthraquinone 2-sulplonic acid. - alpha- Amincanthraquinone is sulphonated by using not less than 1.0 nor more than 1.5 molecular proportion of sulphuric acid, and baking the acid sulphate so obtained, preferably in vacuo or in a current of hot gas, at a temperature, when the techincal a-aminoanthraquinone is used,, between 210 and 240 C., preferably at 220 to 230 C.; when purified alpha-aminonanthraquinone is used, a wider temperature range above 210 C.. is permissible, and a temperature of 240 to 245 C. preferable.
Patent GB-977116-A (GB)
Title: Improvements to plastic shotgun cartridges
IPC: F42B7/06
Filed: 1961-05-02
Abstract: 977,116. Shot-gun cartridges. R. H. P DEVAUX. May 2, 1961, No. 15845/61. Heading F3A. A shot-gun cartridge case 10 is made of a high density homopolymeric polyethylene compound united to a metal head 2 of annular construction, the outer edge 5 of which is upset over a rim on the body and the inner part 4 is expanded to make contact with the plastic. A percussion cap is placed in the central'cavity of the head 2 and after introduction of the usual propellent charge 27, over-powder wads 26 and shot charge 25, the case is closed by a plug 6 integral with the case 10. Flange 9 on the plug 6 interlocks with an inner shoulder 8 of the case to secure the plug in position above the shot. Instead of the plug 6, the case may be closed by a wad 21 on to which the case is crimped, the wad having a weakened central section 22 and a thickened edge part. The polyethylene may contain a proportion of low density polyethylene and asbestos fibres, finely powdered graphite and powdered mica. Sufficient neutral carbon, petroleum black or other substances which will produce a black plastic may be added.
Patent GB-721445-A (GB)
Title: Improvements in or relating to the cleaning of magnesium base alloy castings
Inventor: HIGGINS WILLIAM FREDERICK
IPC: C25F1/00
Filed: 1951-07-04
Abstract: 721,445. Electrolytic pickling. MAG. NESIUM ELEKTRON, Ltd. June 13, 1952 [July 4, 1951], No. 15857/51. Class 41. A casting of magnesium base alloy is subjected with its moulding contaminants thereon to anodic treatment in an aqueous solution of ammonium fluoride (NH,F or NH 4 F.HF), the weight of salt being at least 2 per cent that of water; the treatment may be continued until current flow is substantially stopped automatically. The ammonium fluoride may be present up to the limit of solubility. The electrolyte may also contain ammonia solution (s.g. 0.88) in amount 5-15 per cent of the weight of water; it may also contain minor quantities of alkali metal fluorides or of other salts such as sulphates, nitrates. borates and phosphates. Alternating or direct current may be employed.
Patent GB-972434-A (GB)
Title: Locking mechanism
Inventor: TALBOT DONALD THOMAS
IPC: B60R25/021
Filed: 1962-04-26
Abstract: 972,434. Locking mechanisms. YALE & TOWNE MANUFACTURING CO. April 8, 1963 [April 26, 1962], No. 15932/62. Heading E2A. A locking mechanism comprising a cylinder 17 containing a plug 18 movable angularly by a key, is such that the key is removable in both of two alternate settings, and when the key is removed from the plug 18 the latter is locked against angular movement, is characterized by the provision of release means which must be actuated independently before the plug can be moved from one of said alternate positions to the other. A tenon on plug 18 engages an actuator 19, situated within a spring- loaded bolt 20, having a pair of sides arranged at an angle of 135 degrees to each other against which the actuator 19 bears in the "locked" position as shown in Fig. 2. Rotation of the actuator anti-clockwise causes no movement of the bolt 20 until a peg 19a of the actuator contacts a step in the aperture thereby moving the bolt downwardly and loading the springs as in Fig. 6. A push-button 25 having a head 26 provides the release means since the head lies in the path of a shoulder 24a of a cam plate 24 to prevent its rotation between the two positions, except when the head is moved inwardly so that the plate can move freely. The locking means may be used in a vehicle ignition system and steering column key, and arranged so that the key may be withdrawn in the "locked" position as shown in Fig. 1 and the "off" position as in Fig. 4 (not shown). Other positions into which the actuator 19 is moved are the "on", "starting" and "auxiliary" positions in which a tenon of the actuator 19 may make various contacts to close the respective switches. In an alternative arrangement, Fig. 11, the actuator comprises a cam 132 mounted on a shaft 130 supporting flats extending through a slot 131 in the bolt 120. The mechanism is held in the various positions by engagement between projections formed on the cam 132 and a spring-loaded arm 135.
Patent GB-881742-A (GB)
Title: Photomechanical exposure methods and an auxiliary screen device therefor
IPC: G03F5/20
Filed: 1958-05-19
Abstract: 881,742. Photomechanical exposure methods and auxiliary screen devices therefor. ART COLOR PRINTING CO. May 19, 1958 [Dec. 19, 1957], No. 16039/58. Classes 98(1) and 98(2). The methods comprise exposing photosensitive material to copy material through a half-tone screen and to uniform light through such half-tone screen and also through an auxiliary screen between components of a lens assembly and having a plurality of rows of openings that cross at the angle of the lines of the half-tone screen and which is adjustable for parallel or angular relationship to such lines: and the device comprises such auxiliary screen insertable and rotatable in an opensided frame between components of the lens assembly and removable therefrom. In an example described with reference to Figures the device is a between-lens fitting as shown in the self-explanatory Fig. 5, wherein a continuous-tone positive 27, which may be a colour separation and made from a continuoustone negative of the subject to be reproduced, is exposed by light source 28 through auxiliary screen 15 and a conventional half-tone screen 34 on to sensitive material 30 with the lines of the two screens parallel, this exposure may, however be effected with the auxiliary screen 15 removed; after this a second exposure may be given with the openings of the auxiliary screen rotated to half the angle of the lines of the half-tone screen to eliminate or reduce unwanted dots in the sensitive material 30 corresponding to "all white" areas of the: subject; material 30 is then exposed through both screens with the lines thereof now in parallel position but the positive 27 removed. A positive of the resulting negative on the material 30 is now made as by contact printing and is printed on to carbon-tissue resist which has already been printed from the continuous tone positive 27, and such resist is finally transferred to the surface of a printing cylinder or plate which is developed and etched in the usual way for gravure reproduction. This example is followed in the Specification by a specific example giving numerical details of the half-tone screen used (133 lines per inch, 1-1 ratio), screen distance, exposure times and such like; and then by a second and a third procedure varying the various operations; referring, for instance, to direct exposure on to a gravure resist film lugged in the vacuum back of a camera. Wide cell wall production for printing on to heavy cardboard is described also. The device itself has screen plate 15 with opening 12 intersecting at 13 and flat sides 14, Fig. 4, for sliding into annular frame member 11, Fig. 2, and being part-rotatable therein by handle 16, such being mounted in the lens as referred to above.
Patent GB-236211-A (GB)
IPC: D01D5/14
Filed: 1925-06-22
Abstract: 236,211. H÷lken, M. June 24, 1924, [Convention date]. Apparatus for making filaments.-In apparatus for spinning artificial silk the threads coagulated in the extrusion apparatus a are treated with hardening-liquid in a trough g, the threads passing through narrow slots h in the side walls of the trough; the slots are 1 mm. in width at the bottom, wider at the top, and are preferably lined with acid-proof steel. Hardening-liquid is supplied so as to maintain a level slightly above the lower edge of the slots, surplus liquid overflowing into gutters m at the sides of the trough g, from which it flows into the reel-trough p<1>; a deflector o diverts the streams on to the sloping wall p of the latter so as to obviate splashing. After passing through the trough g the threads are led to a reciprocating guide s and are finally wound on reels f. The thread-guides proper consist of rods d of glass or acid-proof steel, mounted in the guides s so as to be free to oscillate, and formed with U-shaped portions for the passage of the threads. To economize space, the guide s is mounted above the reels f, and to enable these to be removed the guide is fitted in slots s so that it mav be lifted and moved to one side, or it may be swung back or slid into a position in which it ceases to obstruct the removal of the reels.
Patent GB-1204108-A (GB)
Title: Surface-treating apparatus, for example a vacuum cleaner-floor polisher
IPC: A47L11/20
Filed: 1969-03-27
Abstract: 1,204,108. Combined vacuum cleaner and floor polisher. ELECTROLUX Ltd. 27 March, 1969 [10 April, 1968; 11 Dec., 1968], No. 16111/69. Heading A4F. [Also in Divisions B8 and E2] A surface treating apparatus such as a combined vacuum cleaner and floor polisher comprises a housing 12 with a suction opening and two or more brushes 25-27 driven by an electric motor 16, a dust collector 17 communicating with the suction opening and a handle assembly 11 connected to the housing, the motor being positioned so that the effect of its weight on the brushes can be varied. This is achieved by mounting the motor in a housing 35 of the handle assembly, the drive from the motor being transmitted to the brush 25 by a belt 19, a shaft 15, a worm screw 22 and a worm wheel 23. A fan 32 draws air through a brush nozzle 75, a conduit 31, a conduit 33 in an operable cover 34 of the housing 35 and the dust collector 17. Legs 13, 14 of the housing 35 which enable the handle assembly to be pivoted to the housing 12 about the shaft 15, also form part of the conduit 31 and a conduit for the drive belt 19. The top of the cover 34 is provided with a shutter which, in its open position, opens the conduit 33 to atmosphere and allows cleaning liquid in a container positioned above the cover to be applied to the brushes. The housing also accomodates a wax container provided at its bottom with a metering valve. The wax may be dispensed by pressing the container, a hole being provided in the cover 34 for access to the container, however when the cleaning liquid container is in position both the wax and the cleaning liquid may be dispensed by controls adjacent the handle which is positioned at the top of bars 18. A sight glass in the top of the cover 34 enables the contents of the dust bag to be viewed and holes in the housing 35 enable the wax level to be monitored. A catch on the cover prevents the cover being closed unless a dust bag has been fitted and the cleaner is movable on three wheels, one of which is a castor wheel. A pan which completely covers the bottom of the cleaner apart from the suction opening is provided to enable rugs to be vacuum cleaned whilst the brushes are still wet from previous shampooing operations.
Patent GB-916278-A (GB)
Title: Automatic photo-copying apparatus
IPC: G03D9/00
Filed: 1960-05-06
Abstract: 916,278. Photo copying apparatus. EISBEIN, W. May 6, 1960 [July 3, 1959], No. 16128/60. Class 98 (2). In a photo copying apparatus, the original and the negative are conveyed together past an exposure position and subsequently separated, the negative and a positive drawn from a supply roll of positive material then passing through a developing section; the negative engages against switch means for electromagnetically operating the drawing and cutting-off of the positive sheet so as to control same. The original 1 and negative 2 are fed into the apparatus on each side of a dividing wall 62, and conveyed between a transporting roller 11 and a transparent plate 12, where exposure is made by a light source 13. Sheets 1 and 2 are kept separate by an arrangement of wires 63 as described in Specification 861,541, and the original sheet 1 is then guided out of the apparatus through an opening 64. The negative sheet passes onwards between guide-plates 66, 66<SP>1</SP> into the developing tank, where it is further guided between plates 23, 24. At the same time, positive paper 3 is drawn from a roll 3<SP>1</SP> by a feed roller 49, and also passes into the developing tank via guide-plates 67, 67<SP>1</SP>. The motive power is supplied by a motor 41, which drives transport roller 11 through a chain 42. It also drives a disc 43, which can form a clutch drive with a similar disc 44. Disc 44 is mounted on a shaft 45 which can be shifted axially by an electromagnet 53, so as to engage or disengage the clutch discs. When these are engaged, so that shaft 45 rotates, a sprocket 47 on the latter drives by means of a chain 48 the roller 49 which draws paper from roll 3. As the negative leaves the exposure station and moves downwards towards guides 66, 66<SP>1</SP> it moves a switch arm 54<SP>1</SP>, which actuates a switch 54 to energize solenoid 53. This moves shaft 45 to bring the clutch discs 43, 44 into engagement, and so initiates unrolling of paper from roll 3<SP>1</SP>. When the rear edge of the negative passes clear of switch arm 54<SP>1</SP>, so releasing it once more, transport of positive paper 3 stops, a length of paper having been moved which corresponds to the length of the negative. Additional switches 55, 56 are arranged in the circuit of a solenoid 33 which controls a guillotine knife 32. As shaft 45 moves away from engaging the clutch discs, so stopping the paper transport, the sprocket 47 releases switch arm 55<SP>1</SP> to operate switch 55, thus energizing solenoid 33 to operate the knife 32 to cut the paper 3. As the rear edge of the paper passes beyond the switch arm 56<SP>1</SP>, switch 56 opens to return the cutter knife to its upward position. The positive and negative sheets pass out of the developing tank and are pressed together between rollers 22, the image thus being transferred from the negative to the positive, and are finally separated.
Patent GB-1355416-A (GB)
Title: Device for rotating an automatic welding torch or a tool around  a fixed object
IPC: B23K9/028
Filed: 1971-05-21
Abstract: 1355416 Welding by fusion; rotary cutter heads; grinding S PAULANGE 21 May 1971 [4 Dec 1970] 16180/71 Headings B3D B3R and B3T [Also in Division B2] A tool holding device capable of radial installation with respect to a tubular workpiece and for use, e.g. in rotary machining, grinding, painting or, as shown, end-to-end tube welding, comprises a stationary C-shaped support ring 1 having a gap subtending an angle α, less than 180 degrees, and having means whereby it may be fixed on to a tubular workpiece, and a rotary tool-holding ring housed within the ring 1 and consisting of two, mutually telescoping, segments, one, 4, being C-shaped with a gap subtending the angle α and the other, 5, subtending in excess of the angle α, the arrangement being such that to install the device the segments 4, 5 are mutually telescoped so as to present a work-  piece clearing gap alignable with the gap in the ring, the segments 4, 5 being thereafter mutually extended and pinned or screwed together to provide a continuously rotatable ring. The ring 4, 5 is rotatable by a pair of co-rotating gears 11 (11a) meshing one or the other or both of sets of external or, as shown, internal teeth 7, 8 respectively of the segments 4, 5. The reduce gear tooth size, two pairs of gears 11, (11a) may be provided on two shafts. One or, as shown, two plates 15 retain the rotary ring 4, 5 within the ring 1. Support ring mounted rollers 12, 12a take gear reaction of the rotary ring. For securing the support ring on to a tubular workpiece there is provided a water cooled V-shaped jaw-piece 19 which is screw-adjustable in a radial slide 22 of the support ring and which coacts with a screw 26 provided on the end of a jaw-piece-pivoted arm 25. As shown, a welding torch 14 is mounted at 13 on the segment 4. Columns 17 fast on the segment 4 provide a skeletal spool for winding up torch flex.
Patent GB-701576-A (GB)
Title: Improvements in or relating to compressors
Inventor: WILDE GEOFFREY LIGHT
IPC: F02C7/04
Filed: 1950-06-28
Abstract: 701,576. Axial-flow compressors. ROLLSROYCE, Ltd. June 26, 1951 [June 28, 1950], No. 16217/50. Class 110 (1). [Also in Group XXIX] When a multi-stage axial-flow compressor is operating below a selected speed which is less than the design speed, additional working fluid is injected into the initial stages to increase the velocity of the working fluid over the radially outer portions of the blades to a greater extent than over the radially inner portions. In an axial-flow compressor which may form part of an aircraft gas turbine plant, the stator blades 12g, Figs. 4 and 5, of each of several of the later stages are attached, as by brazing, to an annular member 17 which, in turn, is attached by flanges 17a to spacer rings 15 carried by the casing 11a. A rotary valve 24 is formed with ports 25 to register with ports 23 in the annular member 17, to permit air to be bled from the later stages by way of ports 19. The air passes by way of longitudinal ducts 33, 34, Fig. 8, and annular ducts 37a, 37b to the compressor inlet, where it is injected over about the outer third of the length of the inlet guide vanes 13 whereby to prevent stalling at low speeds. Valve 24 carries a peg 26 which engages a slot 28, Fig. 7, in 'a bar 29 which is moved longitudinally by a servomotor (see Group XXIX) so as to rotate the valve into the closed position when the rotational speed of the compressor rises above a selected value. The speed at which the valve commences to open may be made slightly different in value, as by making the slot 28 wider than the peg 26. The inlet guide vanes 13 may be of variable pitch as shown, so as to provide increased swirl at rotational speeds below the selected value. The vanes 13 are interconnected by radius arms 45 which engages a notched rotatable ring 46, and the spindle 40 of one vane is connected by a radius arm 42 to a servomotor 31. Preferably, the injection of additional air and the adjustment of vanes 13 are done simultaneously, but may instead be done consecutively, in which case the adjustment preferably takes place at a higher speed than the injection. Instead of the rotational speed, the control factor may be an operational variable dependent on the rotational speed, such as the corrected rotational speed (corrected, that is, for temperature variations), the delivery pressure or the pressure ratio. Thus, the control means may comprise a diaphragm or capsule subjected to the delivery pressure or two diaphragms or capsules subjected respectively to the delivery and intake pressures and connected to opposite ends of a pivoted beam which will be rocked when the pressure ratio. passes through a selected value. Instead of being bled from later stages, the additional air injected into the intake may be obtained from a separate source.
Patent GB-1272575-A (GB)
Title: Soft flexible expanded synthetic resins incorporating reinforcement and flexible coatings
Inventor: JANES RONALD DAVEY
IPC: C08J9/36
Filed: 1968-04-04
Abstract: 1,272,575. Coating. R. D. JANES. 3 April, 1969 [4 April, 1968], No. 16247/68. Heading B2E. [Also in Divisions B5, C3 and E1] A flexible closed cell expanded plastics sheet material is produced from a relatively rigid closed cell plastics material by subjecting the starting material to an elevated temperature for a predetermined time by total immersion in a heating fluid and then applying pressure to the heated materials (see Division B5). A preferred material is polystyrene. A decorative finish may be provided by using patterned or embossed rollers or platens, dyeing, staining, printing or painting. Alternatively the starting material may be coloured, decorated or configured. The product may be provided with a flexible coating layer, e.g. of synthetic resin or textile material adhered or bonded thereto or a layer of plasticized cementitious material, e.g. cement mortar, asbestos cement or gypsum plaster, applied by brushing, spraying, dipping or by means of a trowel, doctor blade or rollers. The cementitious layer may be externally grooved or decorated by the addition of stone or synethetic resin chips, metallic "glitter", granules or flocking and the product may have bevelled opposite edges. The product is particularly intended for use as a clothing, carpeting or building material where insulation, particularly against moisture, is required.
Patent GB-515526-A (GB)
Title: A device for use as a camera base-plate in conjunction with a tripod stand
IPC: F16M11/04
Filed: 1938-05-31
Abstract: 515,526. Stand-heads. FREAN, D. E. May 31, 1938, No. 16251. [Class 52 (iii)] A base plate for a camera enabling the stand to be attached vertically beneath the centre of gravity of the camera is provided with a hole E through which a winged screw passes into the camera bush and with holes H, K into one of which may be screwed the head of the stand. The camera is held in recesses on the base plate by pins F<1>, F<2>.