baber/WOPTO huggingface dataset:
Patent GB-432984-A (GB)
Title: Improvements in or relating to a photographic process for producing written characters or representations or a surface coloration, on aluminium and aluminium alloys
IPC: G03C1/77
Filed: 1934-02-12
Abstract: 432,984. Photographic plates. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Feb. 12, 1934, No. 4633. Convention date, Aug. 11, 1933. Addition to 407,830. [A Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 11, 1934.] [Class 98 (ii)] The carrier layers produced on the surface of aluminium or aluminium alloy according to the parent Specification are subjected, after formation, and before applying the light-sensitive material, to an intermediate chemical and/or thermal treatment to render them less brittle and more flexible. The treatment may consist in dipping the layers in cold or warm solutions of acids or alkalies or salts having an acid or alkaline reaction, e.g. phosphoric acid, chromic acid, acetic acid, citric acid and alums, carbonates, chromates, bichromates, chlorates, borates of the alkali or alkaline earth metals, organic compounds of aluminium or chromium, or metal soaps. The treatment may, however, be purely physical, e.g. dry heating, preferably at reduced pressure.
Patent GB-1488183-A (GB)
Title: Device for sensing noise in a fluid flow stream
IPC: G01H3/12
Filed: 1975-02-04
Abstract: 1488183 Noise detectors GROUPEMENT POUR LES ACTIVITES ATOMIQUES ET AVANCEES 4 Feb 1975 [5 Feb 1974] 4683/75 Heading H4J A device for detecting noise generated in a duct or other enclosure by flow of fluid 2 is inserted through a wall 1 of the duct or other enclosure and comprises a metal attenuator plate 8 having a blind cylindrical cavity 15 in which a capacitor microphone 5 is completely inserted. The microphone 5 is supported by an extension piece 6 having an adapter 1. The attenuator 8 is hermetically sealed to a cylindrical positioner 9 which is protected by a tube 11 which can slide in the hole in the wall 1. An hermetic seal 12 seals the tube 11 and the wall 1 against egress of fluid from the duct. The rear of the cylindrical positioner 9 is shaped to accept a frusto-conical portion 17 of the extension 6. A fluorocarbon ring 18 damps vibration transmitted by the positioner 9 and effectively prevents transmission to the microphone 5. Between the microphone 5 and the front wall 14 of the attenuator 8 is a space 15<SP>1</SP> whose thickness is such that it does not resonate at any possible frequency in the fluid stream. The frequency of the noise to be attenuated is determined by the thickness of the front wall 14.
Patent GB-1262139-A (GB)
Title: Instruments for administering fluids into the intestinal tract per rectum
Inventor: VASS ALEXANDER ANTHONY
IPC: A61M31/00
Filed: 1969-01-28
Abstract: 1,262,139. Instrument for administering fluids per rectum. A. A. VASS and C. VASS. 28 Jan., 1969 [13 Nov., 1968], No. 4718/69. Heading A5R. An instrument for administering fluids into the intestinal tract per rectum comprises a tube 10 having an enlarged head 12 at one end, a first enlargement 24 spaced from the head and having means 16 for engaging the buttocks to inhibit outward movement of the head from the rectal lumen. As described in use outward movement of the instrument is inhibited by the flesh of the buttocks overlapping the edges 20 on both sides of a concave, oval, plate 16 having a recess 22 to straddle the ano-coccygeal ligament. For some patients a second plate (74 Figs. 7, 8 not shown) adjustably mounted on a sleeve (67) which fits snugly about tube 10 may be necessary, being held in place by strips of adhesive tape (86). The anal opening is sealed by conical collar 24 and conical extension 30. A resilient absorbant ring (38) may surround the collar in the depression of plate 16. During insertion of the instrument, orientation of the tube is aided by means of a collar 56 with wings 58, 60 having a groove 62 engaged by a projection (64 Fig. 3 not shown) on a flange (36) beneath plate 16.
Patent GB-1463182-A (GB)
Title: Liquid waste treatment apparatus
IPC: B01F5/04
Filed: 1974-02-01
Abstract: 1463182 Ejectors WASTE WATER AERATION PRODUCTS CO Inc 1 Feb 1974 [5 Feb 1973] 4724/74 Heading F1E [Also in Division B1] An aerator for liquids comprises a tapered liquid inlet member 21 having a nozzle 22 within the inlet aperture 27 of an elongated mixing chamber 26, air being aspirated through apertures 18, the mixing chamber has a uniform cross-section and discharges into a larger discharge pipe 13 with abrupt change of cross-section whereby turbulence is increased. The length/diameter ratio of the chamber 26 is preferably in the range 4 to 7 and the outer diameter of the nozzle 22 preferably 80 to 90% of the inner diameter of the aperture 27. The apparatus may be used for aerating waste water or cooling hot liquid by infusing cooler air thereinto.
Patent GB-908317-A (GB)
Title: Process for the preparation of sultones
IPC: C07C309/08
Filed: 1961-02-09
Abstract: Sultones are prepared by heating an alkali metal or ammonium salt of an organic hydroxysulphonic acid, with at least 3 carbon atoms between the hydroxy and sulphonic groups, with an acid strong enough to liberate the hydroxysulphonic acid and less volatile than the sultone under a reduced pressure of less than 50 mm. of mercury and the resultant sultone distilled off under reduced pressure. Specified sulphonic acid, 1-hydroxy butane-4-pane-3-sulphonic acid, 1-hydroxy butane-4-sulphonic acid, 1-hydroxybutane-3-acid, 1-hydroxyhexane - 4 - acid, 4-hydroxy-2-methylpentane-2-acid, 3-hydroxy octane-1-acid, 1-hydroxyhexane-6-acid, 1-hydroxy octane-8-acid, benzylalcohol - o - sulphonic acid and 2-hydroxymethyl-naphthalene-3-acid. Specified "strong" acids are sulphuric, phosphoric and organic sulphonic acids.  The process may be operated continuously by allowing a melt of the reactants to flow through a heated reaction tube.
Patent GB-1488584-A (GB)
Title: Impulse response magnetic resonance spectrometer
IPC: G01R33/46
Filed: 1975-02-04
Abstract: 1488584 Magnetic resonance spectrometers COMPAGNIE D'APPLICATIONS MECANIQUES A L'ELECTRONIQUE AU CINEMA ET A L'ATOMISTIQUE 4 Feb 1975 [5 Feb 1974] 4789/75 Heading G1N In a magnetic resonance spectrometer in which the response of a specimen to impulse excitation is detected, the excitation is in the form of amplitude and frequency modulated wave trains, thus enabling the whole spectrum of the specimen to be detected or certain parts of it to be enhanced or suppressed. Fig. 2 shows a typical specimen spectrum having seven peaks in the range F 1 -F 4  ; the excitation necessary to produce such a spectrum is uniform over the range, and is produced by amplitude and frequency modulating an RF carrier as shown in Fig. 4. The excitation is in the form of pulses of duration To and of repetition period Tr; for each pulse the specimen response can be summed and Fourier analyzed in known manner to give the spectrum of Fig. 2. If it is desired to eliminate peaks 4 and 5 of Fig. 2 the excitation necessary is non-uniform, and should have a small amplitude between F 2  and F 3  , Fig. 7 (not shown). This is achieved by changing the amplitude modulation as in Fig. 6 so that the part of the swept frequency modulation between F 2  and F 3  is omitted. If the peaks 4 and 5 are to be enhanced, the excitation amplitude would be increased between F 2  and F 3 , Figs. 8 and 9 (not shown). Circuitry: in Fig. 10 the carrier is produced at 16 and frequency Fo, and a signal variable between f 1  and f 4  is produced by a VCO 37 and added to the carrier at 31. This allows the range F 1  to F 4  of Fig. 2 to be produced. The VCO is controlled by a ramp waveform generated at 35, the slope of the ramp being determined at 36 in response to a manual input at 38 so as to set the limits on F 1  and F 4 . The repetition of the ramp is controlled by manual inputs to a sync circuit 33, 34, and the duration To of the ramp is controlled by a circuit 64 and monostable 63 in response to a manual input to 64. The adder 31 thus produces a repeating signal which is linearly frequency modulated; this is amplitude modulated at 39. The control for modulator 39 cames from monostable 63 to end the pulse at To, and also from two level detectors 42 and 98. These latter monitor the control voltage for the VCO, so that if it is desired to omit or enhance the excitation between F 2  and F 3  the modulator 39 can be operated suitably to decrease or amplify the signals from 31 when the VCO control voltage corresponds to the range F 2 -F 3 . In an alternative circuit, Fig. 11 (not shown), the VCO control voltage is produced by a clock whose output is counted and fed to a D/A converter. The amplitude modulator is controlled in response to the instantaneous count so that parts of the excitation can be omitted or enhanced.
Patent GB-539710-A (GB)
Title: Improvements in or relating to composite bonded heat-resisting insulating materials and their manufacture
IPC: H01B3/08
Filed: 1940-03-14
Abstract: 539,710. Fused compositions for electrical insulation. BOUGHTON, W. A., and MANSFIELD, W. R. March 14, 1940, No. 4793. [Classes 22 and 70] Electrical insulators &c. withstanding high temperature and humidity for domestic heating appliances &c. are made by fusing together mica, asbestos, spun glass, or slag wool &c. under heat and pressure with a bonding composition as disclosed in Specification 539,708 but with the addition of modifying substances for the boron trioxide component, e.g. 1 to 20 per cent. of hydrofluoric acid, hydrofluosilicic acid or an alkali metal or ammonium salt of one or both of these acids, with or without 1 to 20 per cent. of a compound of lead &c. and/or silicious material, e.g. silica, silicic acid, feldspar, or potassium silicate, the composition after fusing being cooled under pressure. As the compound of lead &c. may be used red lead oxide, lead nitrate, carbonate, fluoride, or silicofluoride, or an oxide of tin, arsenic, antimony or bismuth.
Patent GB-890336-A (GB)
Title: Method of making a cement material for sealing structures, especially in underground constructions
IPC: C04B28/04
Filed: 1960-02-11
Abstract: A cement material for sealing and water-proofing mining shafts, excavations, slits and like underground structures, and characterized by a short setting time (e.g. lasting 5 minutes) starting after a time required for preparing, transporting and applying the material to the structure (e.g. after 15 minutes), is made by mixing cement (e.g. Portland) with fly ash (preferably 35% by weight of the cement) and adding to the dry mixture a solution of alkali metal carbonate and chloride (e.g. Na2 CO3 and Na Cl) and aluminium acetate and aluminium sulphate, the total amount of salt being preferably 15% by weight of the cement and the alkali metal salt being three times the weight of the aluminium salts.  Prior art discloses cement materials containing aluminium and ferric chlorides, alkalies or water-glass mixed with pozzuolana, kieselguhr, blast-furnace slag or fly ash.
Patent GB-583047-A (GB)
Title: Improved process and apparatus for the polymerization of olefines
IPC: C08F210/12
Filed: 1944-03-15
Abstract: In polymerizing iso-olefine-diolefine mixtures containing a filler or pigment at low temperatures in the presence of a Friedel-Crafts catalyst, a slurry of polymer, filler or pigment and unreacted materials is withdrawn from the reaction vessel, polymer and filler are strained off and the unreacted materials are returned to the reaction vessel.  Mixtures of isobutylene with butadiene, isoprene or a dimethyl butadiene are specified.  The filler or pigment may be carbon black, zinc oxide, clay, talc, rouge, chrome green or yellow, vermilion, powdered starch, ground gelatine or glue.  As the polymer forms, the slurry is pumped from the reaction vessel 1, Fig. 1, through pipes 12, 15 to the case 16 of a rotary filter where it is kept in suspen <PICT:0583047/IV/1> <PICT:0583047/IV/2> sion by a stirrer 23.  A cake of solid polymer is built up on a revolving screen drum 17 and the liquid passes through a hollow axle 18 and pipe 21 to a separator 22 whence it is returned by pipes 24, 26 to the reaction vessel 1.  The polymer may be washed by diluent or olefine mixture from a pipe 28 and the screen 17 cleared of adherent polymer by olefine mixture delivered from a pipe 27.  The polymer is removed by a scraper 29 and passes by a shoot 31 to a conveyer 34, where it is washed by steam and water, preferably in a rapid stream of inert gas, e.g. methane, ethane, propane or hydrogen, to prevent back flow of water vapour. Volatilized residual monomers are returned through a pipe 37 to a recovery system 38 and the warmed polymer is carried through a sealing chamber filled with low-pressure steam to a drier 42. Volatile material from the separator 22 is returned by a pipe 43 to the filter case 16 and thence passes with other gases through a pipe 45 to the recovery system 38, which also receives volatilized material from the reaction vessel 1 through a pipe 47. In a modified apparatus, Fig. 2, the slurry from a reaction vessel 101 is delivered by a pipe 112 to a trough 115 and thence to a vibrating screen 118 contained in a heat-insulated casing 116 supplied with inert gas by pipes 129, 131.  Liquid is returned by a pipe 123 to an insulated tank 124 provided with a stirrer 125 and thence by pipes 126, 128 to the reaction vessel 101.  Solid polymer is discharged from the screen 118 through a funnel 119, duct 134 and cone 137 to fall into water, supplied by a pipe 141, heated by steam from a pipe 142 and agitated by a stirrer 138, in a chamber 135.  The resulting slurry passes through a duct 144 to a wire-mesh conveyer 148 and is then treated as before.  The product may be compounded with sulphur, zinc oxide, stearic acid, carbon black, cellulose, tetramethyl thiuram disulphide and paraquinone dioxime and vulcanized by heat.
Patent GB-1150600-A (GB)
Title: Improvements in or relating to Building Materials
Inventor: MULLIS PETER JOHN
IPC: C04B18/24
Filed: 1967-02-01
Abstract: 1,150,600. Cement mixtures. P. J. MULLIS. 1 Feb., 1967, No. 4919/67. Heading C1H. A building material comprises a mixture of cement, sand and chopped straw in which the parts by volume are 4 sand to 1-2 of cement, and 1-2 straw to 1-2 of cement, and the straw length is <SP>1</SP>/ 10  to 1 inch. Hydrated lime can partially replace the cement, e.g. a 50: 50 mixture.
Patent GB-511535-A (GB)
Title: Improvements in and relating to colour photography
IPC: G03C7/30
Filed: 1938-02-17
Abstract: 511,535. Colour photography. GEVAERT PHOTO-PRODUCTEN N. V. Feb. 17, 1938, No. 4946. Convention date, March 30, 1937. [Class 98 (ii)] To produce colour photographs on multilayer material, light-sensitive silver salt images are formed in each layer and the film is exposed to uniform light of such a character that it is totally absorbed in an outer emulsion layer so that the image in that layer may be colour-developed separately. In one exmple, three-layer material, with layers sensitive to blue. green, and red (nearest support) is exposed, developed, and fixed, and the silver converted to halide. The emulsion layer nearest the support is then illuminated through the support with ultra-violet light which is strongly absorbed by the gelatine and does not penetrate to the two other layers. The exposed layer is then colour-developed with a developer containing dimethyl-p-phenylenediamine and alphanapthol. After dyeing the film with tartrazine, it is illuminated from the other side with ultra-violet light, so that only the outer emulsion is affected, and this emulsion is colourdeveloped with a developer containing dimethylp-phenylenediamine and acetoacetanilide. The film is thereafter exposed to white light and the middle layer colour-developed with a developer containing dimethyl-p-phenylenediamine and pnitrobenzylcyanide. The developed silver is finally removed, as with Farmers' reducer. In a modification, after the layer nearest the support has been treated as described above, the silver may be removed therefrom and the film dyed with tartrazine and exposed to dark blue light from the support side. This penetrates the image in the lower-most emulsion layer but is absorbed in the middle layer which may then be colour developed. The upper layer is then treated with white light and colour-developed as before. Instead of treating a film containing negative silver halide images as above, the film may be reversed after camera exposure and then treated as described.
Patent GB-834506-A (GB)
Title: Improvements in and relating to freewheel hubs, preferably provided with internally arranged back pedalling brakes, for a cycle wheel
IPC: B62L5/14
Filed: 1958-02-14
Abstract: 834,506. Free-wheel clutches. FIJN MECHANISCHE INDUSTRIE BECKER'S SONS N.V. Feb. 14, 1958 [Feb. 22, 1957], No. 4967/58. Class 80 (2). A free-wheel coupling for a cycle wheel hub 1 of the type described in Specifications 202,319 and 786,698, particularly in association with a back-pedalling brake 17, 18, comprises a coned clutching member 13 axially movable by a screw-thread engagement with the driving member 6 into engagement with, or disengagement from, a coned coupling member 14 secured to the hub 1. The coned surface of member 13 has saw-shaped teeth 13b whilst the coned surface of member 14 has a greater number of smaller teeth 14b. The height of teeth 14b is made a maximum of 0.008 inch and preferably less than 0.004 inch. The angle between the flanks of the teeth 14b is preferably greater than that of the teeth 13b and are of softer material whilst the teeth 13b are of hard material.
Patent GB-1463915-A (GB)
Title: Trailer brake  control system for a vehicle provided with a  hydrostatic drive system
IPC: B60T13/12
Filed: 1975-02-05
Abstract: 1463915 Tractor/trailer braking systems KOMBINAT ORSTA - HYDRAULIK VEB 5 Feb 1975 [12 March 1974] 4984/75 Heading F2F In a combination of a trailer with air brakes and a tractor with a hydrostatic transmission, comprising a motor 2 coupled by pressure lines 5, 6 to an adjustable pump 1, the air brake valve 15 is controlled by a piston-rod 14 of a spring biased piston in a cylinder 11 supplied, through a changeover valve 9 coupled to a control lever 4 of the hydrostatic transmission with the return pressure line. The changeover valve is switched by movement of the lever 4 in its gate between forward and reverse drive planes OV and O<SP>1</SP>R. In operation, on deceleration of the tractor the return line pressure increases to actuate the trailer brakes through the valves 9 and 15. The spring 12 is chosen so as not to be compressed by the return line pressure in normal driving of the vehicle combination.
Patent GB-339197-A (GB)
Title: Improvement in moulds for the manufacture of articles in silica glass or any other vitreous material which is fusible with difficulty
IPC: C03B9/34
Filed: 1930-02-14
Abstract: 339,197. Quartz et Silice. Oct. 30, 1929, [Convention date]. Addition to 338,456. Forming silica-glass articles.-Relates to a mould, described in the parent Specification, for blowing articles of fused silica, and to the particula,r construction in which the moulding surface is constituted by a grid made of bars supported by the solid body of the mould. According to the present invention, the solid body of the mould is dispensed with, the bars that constitute the grid being made sufficiently strong to resist distortion by pressure and warping by heat. The bars may be grooved on their moulding- faces, and they may be assembled in contact with one another or separated by spacers. A mould for making tubular articles can be made by fixing the bars in end pieces which can be changed as desired.
Patent GB-846041-A (GB)
Title: Improvements in or relating to power driven actuating mechanism for valves
IPC: F16K31/05
Filed: 1958-02-17
Abstract: 846,041. Valves. PHILADELPHIA GEAR CORPORATION, [formerly PHILADELPHIA GEAR WORKS Inc.]. Feb. 17, 1958 [June 27, 1957], No. 5104/58. Class 135. In a power-operated, screw-actuated, rising stem gate-valve having a valve body B, Fig. 1, surmounted by a yoke S guiding an actuating- spindle P operable by a drive-nut driven through worm and worm-gearing by an electric motor 13 having declutchable means whereby the valve may be hand-operated in the event of power failure, the drive-nut is associated with a thrust or shock-absorbing device to protect the valve parts against strains and possible damage when the member seats at the end of valve closing or due to heat expansion of the valve stem. The drive-nut 30, Fig. 6, rotatably connected by splines 32 to a sleeve 25 rotatable by worm and worm-gearing 29, 28 and held against axial movement by conical thrust-bearings 26, 27, is held against axial downward movement by a sleeve shoulder 31 and permitted of limited upward movement by an adaptor member 34 rotatable with the nut. The member 34 rotates in a thrust bearing which may have either coned elements or balls and is loaded by a spring consisting of a bank 47<SP>1</SP> of Belleville spring washers. The top of a spring retainer 42 engages a cam portion 93 of a rocker arm 92 mounted on a shaft 91 carrying a pointer 95 which co-operates with a scale 96 to give an indication of the thrust exerted on the valve stem by the valve closure member. In another embodiment, the adaptor member 34<SP>1</SP>, Fig. 5, has an extension sleeve 53 secured to it by a setscrew 54, the thrust recorder means V coacting with the top end of the sleeve. The sleeve 53 is rotatably keyed to a gear member 63 which through a train of gears 71, 73, 75, Fig. 2, rotates a spindle 76 carrying a pointer 79 which co-operates with a pointer 80 to indicate the position of the valve member relative to its seat. The motor 13 is fitted with the usual cut-out switches to stop the motor just prior to the full opening and closing of the valve.
Patent GB-1441908-A (GB)
Title: Tubular anode for cathodic protection
IPC: C23F13/02
Filed: 1975-02-06
Abstract: 1441908 Anode for cathodic protection DURION CO Inc 6 Feb 1975 [18 April 1974] 5179/75 Heading C7E An anode comprises a hollow tubular anode body 10, an electrical contact 14 inside body 10 and distant from the ends thereof, plastics seal means 22, 24, located each side of contact 14, and an electrical conductor 16 having an insulating outer sheath, the conductor being connected to contact 14 and passing through one of the plastics seals 24 in sealing relationship, to give an encapsulated connection. An electrical potting compound 20 may fill the space between the seals 22 and 24, which may be of epoxy resin, the tube 10 may be of high Si iron, which may also contain Cr. The anode is used in sea-water or deep groundbed applications.
Patent GB-122745-A (GB)
Title: Improvements in Lighters of the Pocket Kind.
Inventor: MOORE WILLIAM HENRY
IPC: F23Q2/14
Filed: 1918-03-26
Abstract: 122,745. Moore, W. H., and Taylor, W. A. March 26, 1918. Pocket igniters, frictional.-A pocket igniter for lighting cigars, cigarettes, and pipes comprises a tubular case a, a tubular sleeve c fitting into the case and shaped at its upper end to form a wick tube c<2>, a steel tubular striker d detachably connected to the upper end of the tubular sleeve c. and a covering cap e fitting over the striker and the case and provided externally at its upper end with a piece f of pyrophoric material. The interior of the case a and the sleeve c are filled with absorbent material, and a groove may be provided in the sleeve c to permit an escape of air on pushing the sleeve into position. The striker d is clipped over the sleeve c and is prevented from moving by means of a stud c'. A clip is provided for securing the lighter to the pocket. According to the Provisional Specification, the upper edge of the striker extends above the wick tube at one side only.