baber/WOPTO huggingface dataset:
Patent GB-180356-A (GB)
Title: Improvements in and relating to hydrophones
IPC: G01S1/72
Filed: 1920-11-30
Abstract: 180,356. Hopwood, F. L. Nov. 30, 1920. Detecting subaqueous sounds. - A hydrophone comprises two external diaphragms, and two internal diaphragms rigidly coupled together, means being provided to adjust the distance between the internal and external diaphragms. The whole instrument and the space between the internal and external diaphragms mav be wholly or partly filled with an acoustic transparent material such as jelly. Such a hydrophone, by altering the symmetry of the parts, mav be made bi-diractional, unidirectional, or non-directional. In the example illustrated, two spaced diaphragms 2 having on their periphery a flanged ring 3 are mounted in a carcase 1. Two internal diaphragms 4 held in place between the internal ring 5 and the flanged ring 3 are rigidly connected by the tube 8, one end of which ergages a threaded bush 8 in an aperture in ono diaphragm. In the other diaphragm is a bush which houses the head 9 of a screw, the end of which engages the threaded part of the bush 8. Attached to the tube 7 is a part 10 to which is attached a microphone 11. The distance between the internal and external diaphragms may be varied by the screw 9.
Patent GB-343070-A (GB)
Title: Improvements in cord grips for electric couplings
IPC: H01R13/595
Filed: 1929-11-07
Abstract: 343,070. Cord-grips. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and STOPFORD, C. W., Research Laboratories, General Electric Co., Wembley, Middlesex.. Nov. 7, 1929, No. 33955. [Class 38 (i).] The conductor 16 is gripped between the two separated halves 15 of the cord-grip, an extension 23 of the helical spring 24 round the ungripped cord being wound in screwthreads 18 to force the two parts together. Flats prevent the grip from rotating in the coupling, here shown as a two-pin plug-and-socket coupling, and a flange engaging a recess prevents the cord-grip being withdrawn after engagement. Figs. 3 and 4 (not shown) illustrate a form in which the cord-grip is frustoconical in outline.
Patent GB-512548-A (GB)
Title: Hinge for doors, windows and the like
IPC: E05D3/06
Filed: 1938-11-22
Abstract: 512,548. Hinges. SEPA-SCHARNIER AKT.- GES., and WITSCHI, M. Nov. 22, 1938, No. 33997. [Class 65 (ii)] In a hinge comprising a pair of double-armed levers 12, 13 and 12<1>, 13' pivoted together at 17, and a pair of attachment plates 1, 1<1> pivoted to the arms 13, 13<1> and attached to the other arms 12, 12<1> by links 7, 7<1>, the levers and links are formed as plates provided at their opposite edges with spaced lugs. The links 7, 7<1> have abutments 11, 11' which co-operate with the levers 12, 13 and 12<1>, 13<1> to limit the opening movement of the hinge. The hinge members may be stamped or pressed from sheet metal or formed from extrusion castings.
Patent GB-1471747-A (GB)
Title: Method of tanning hides
IPC: C14C/
Filed: 1974-08-01
Abstract: 1471747 Tanning hides MONTEDISON SpA 1 Aug 1974 [3 Aug 1973] 34047/74 Heading C6C A process for tanning skins or hides comprises preceding or following a chrome or vegetable tanning by contact with a basic aluminium poly-  chloride, having the general Formula: - in which m is from 1À1 to 2À1 and n is from 0À12 to 0À18. The basic aluminium polychloride used may be obtained by treating mixtures of aluminium chloride and sulphate with basic alkaline metal and/or alkaline earth metal compounds.
Patent GB-933932-A (GB)
Title: Method of and apparatus for automatically controlling the amount of moisture in a liquid employed in the processing of material
IPC: G01N27/12
Filed: 1960-10-05
Abstract: 933,932. Automatic control of water content. AMERICAN INSTRUMENT CO. Inc. Oct. 5, 1960 [Nov. 9, 1959], No. 34070/60. Class 38 (4). In a system in which the proportion of water in a liquid mixture supply varies from a desired value, a portion of the mixture is continuously vaporized and variations of a property of the vaporized liquid used to correct the water content automatically. In Fig. 1, dry-cleaning fluid containing water is circulated through a cleaning tank 11 by a pump 12. A portion of the fluid is continuously fed back to the cleaning tank through an electronic device 19 which measures the proportion of water in the mixture and, when the proportion falls below a predetermined value, opens an electromagnetically operated valve 20 to add water from a tank 21 to cleaning tank 11 so that the water content of the fluid is maintained at a predetermined value. Within the measuring device 19 fluid is by-passed through a coil type heat exchanger housed in a compartment which is heated by an electric element 30, Fig. 3. The fluid so vaporized is led to a chamber containing a variable resistance bifilar type humidity sensing device 60. When the humidity in the chamber and hence the water content of the fluid exceeds a predetermined value a thermionic valve operated relay 44 is actuated to de-energize the solenoid of valve 20 which is connected to terminals 55. Meter 46 indicates the water content and jack 48 facilitates remote indication.
Patent GB-1114319-A (GB)
Title: Wall plug
IPC: F16B13/08
Filed: 1965-08-09
Abstract: 1,114,319. Wall plugs. E. A. AGREN. 9 Aug., 1965 [10 Aug., 1964], No. 34073/65. Heading F2H. A wall plug comprises a body of two identical parts united at their one ends by a connecting piece which parts 1 and 2 can be folded over the one on the other about the connecting piece 3 to form the plug body. Each part has a groove 4, 5, 6 and 7 which combine to make a bore having a tapered inner portion 45, to accept a wedge 4a which is driven to expand the plug body prior to the insertion of a fixing member. The plug is made from an elastomeric material, e.g. plastics, and the wedge 4a from a harder material. The wedge may be ballshaped. The plug and its bore may be of substantially rectangular cross-section.
Patent GB-1441039-A (GB)
Title: Internal combustion engines installations
IPC: F02B1/04
Filed: 1973-07-17
Abstract: 1441039 Treating fuel supply to IC engines SIEMENS AG 17 July 1973 [17 July 1972] 34084/73 Heading C5E [Also in Division Fl] An I.C. engine installation comprises gasification means 6 to which liquid fuel and combustion air are fed to be partially burned to produce a hot fuel gas which is conducted via a duct 13, 14a, 14b to a combustion space of the engine 16, liquid fuel being added to the hot fuel gas between the gasification means G and the engine. Liquid fuel is branched off via line X upstream of the gasification means 6 and passed via valve VI to a cracking reactor a, which may contain a catalyst. The mixture resulting may be cooled in a cooler b and compressed by compressor d to a constant pressure controlled by varying the speed of the motor driving the compressor. The rates of fuel and air supply to gasification means 6 are controlled by valves 5, 11 to keep the outlet temperature measured at 12 substantially constant. Air to the gasification means 6 is branched off via line 9 from the line 8, 10 to the engine 16 and passes through a heater 19, the temperature of which is controlled by the amount of exhaust gas passed through it via valve 21. Opening throttle 15 controls the amount of air and fuel gas fed to the engine, but supply of liquid fuel through valve VI to reactor a does not begin until the gas flow rate has reached its maximum, when the valve VI is opened by means of a signal from a transducer IV and thereby enriches the mixture fed to the engine. If cooler b is not provided, it is preferable to compress the air supplied to the gasification means rather than the hot fuel gas leaving it. The compressor used may be exhaust turbine driven. The cooler b may be a liquid or air cooled heat exchanger or a water injection cooler. In Fig. 1 (not shown) liquid fuel branched off via line X is added to the hot fuel gas via injection means (VII) and the mixture added to the combustion air supply at venturi (14).
Patent GB-615449-A (GB)
Title: Domestic heating apparatus
IPC: F24B1/183
Filed: 1945-12-17
Abstract: 615,449. Domestic fireplaces. MUMBY, W. H., and WINGET, Ltd. Dec. 17, 1945, No. 34163. [Class 126] [Also in Group XIII] An open-type domestic fire is provided with a ported air-supply cylinder 11 which is fitted with a rotary valve operable by a linkage-system from the front of the fireplace so as to direct air either through ports 10 to the grate 1 or, through ports 12, up behind the boiler 4, round the flue 6, and out through vents into the room, or in both directions simultaneously. The valve is so constructed that it may be set to a position in which it closes both ports 10, 12 but leaves a third port 13 open for the discharge of dust. The fireplace is provided with a vertically slidable shutter 7 housed, in its inoperative position, behind the front 8, and with an ashpan 14 which can be removed for emptying through a pit 15 closed by a plate 17 which can be utilized as a trivet as shown by the dotted lines in Fig. 1. Fig. 4 shows a construction in which the air, heated by passage around the flue 6, passes according to the setting of a damper 32, either into the same room or to a flue B leading to the room above, there being provided below the mantle-shelf 30 a reflector 31 which, when the damper 32 is in the full line position and the shutter 7 lowered, reflects heat from the enclosed fire into the room.
Patent GB-1477163-A (GB)
Title: Electrophotographic method and apparatus
IPC: G03G15/01
Filed: 1974-08-02
Abstract: 1477163 Photo-copying CANON KK 2 Aug 1974 [3 Aug 1973 8 Aug 1973] 34235/74 Heading G2A  In a method of photo-copying using a photosensitive member comprising an insulating layer on a photo-conductive layer, the member is (a) uniformly charged, (b) imagewise exposed before, during or after uniform charging of opposite polarity of that of the primary charge, or uniformly discharged with A.C. and (c) exposed to a projected grid image. In a multi-colour line-by-line copier in which colour separation images are formed successively on a photo-conductive drum 14 having an outer insulative layer and are transferred successively in superimposed manner to a printing drum 50, each colour separation image is formed on drum 14 by the successive steps of (a) charging using D.C. charger 15, (b) projection of the colour separation image, using a colour filter disc 20, through an A.C. discharger 11 to point 12 and (c) projection of a grid image, using a respective one of a number of rotary grid cylinders 21-24 in which the grids are in discord with one another, as shown in Figs. 2-4, and a mirror 29, to point 16. Mirror is rotatable to select a particular filter cylinder.
Patent GB-753241-A (GB)
Title: Improvements in compositions for the treatment of keratinous fibres
Inventor: DEUTSCH PETER ANDREW
IPC: D06M15/643
Filed: 1953-12-09
Abstract: A composition for treating keratinous fibres comprises a hair-reducing agent, a polysiloxane and an ionizable ingredient which will give a solution of the composition a pH greater than 7.  The hair-reducing agent may be thioglycollic acid or a salt of thioglycollic or other mercapto acid or a sulphite.  The polysiloxane may be dimethyl polysiloxane and the ionizable ingredient may be ammonium hydroxide.  In the example an aqueous emulsion of dimethyl polysiloxane is prepared with the aid of polyethylene glycol monostearate and to this is added an aqueous solution containing thioglycollic acid and ammonium hydroxide, perfume and colour.
Patent GB-1205764-A (GB)
Title: Hydrophilic polymers, articles and methods of making same
IPC: A23L27/00
Filed: 1967-07-26
Abstract: 1,205,764. Tobacco-smoke filters. NATIONAL PATENT DEVELOPMENT CORP. 26 July, 1967 [26 July, 1966; 5 July, 1967], No. 34442/67. Heading A2C. [Also in Divisions A5 and C3] Hydrophilic polymers obtained by cast polymerising a hydrophilic ester of an unsaturated carboxylic acid are converted to particulate form, e.g. powder, beads or comminuted extrusions, and formed into cigarette filter elements or tips. The polymers are preferably derived from hydroxypropyl or 2-hydroxyethyl acrylate or methacrylate, and ethylene glycol dimethacrylate. The element or tip is preferably impregnated with a humectant, e.g. glycerine, propylene glycol, polypropylene glycol or ethylene glycol. Other optional additives include tobacco flavouring and menthol.
Patent GB-1515354-A (GB)
Title: Ultrasonic flow meter
IPC: G01F1/66
Filed: 1975-08-19
Abstract: 1515354 Acoustic flow meters BADGER METER Inc 19 Aug 1975 [3 Sept 1974] 34443/75 Heading GIG Facing each other diagonally across a pipe for flowing fluid is a pair of like, transmitter-receiver units 8, 9 operating with signals of ultrasonic frequency. The units are in a joint circuit and periodically are simultaneously energized to transmit identical signals to each other in opposite directions in high frequency bursts, each burst being of a chosen number of cycles and being shorter than the transmission time between the units. The bursts, received between successive transmissions, are phase shifted with respect to each other, resulting from one burst being speeded up and the other burst being slowed down in accordance with the velocity of the liquid traversed. The received bursts, in sine waveform, are heterodyned 51, 58 with a cosine wave form modulating signal to produce a sine wave resulting signal dependent upon phase difference between the bursts and at a low frequency. The modulating signal frequency is chosen so as to translate the multiple cycles of each high frequency burst into but one cycle in the resulting signal. The signal is manipulated electronically and its zero-crossings are demarked on a time base to establish the interval between them as a measure of the velocity of the liquid independent of sonic velocity.
Patent GB-812467-A (GB)
Title: Manufacture of natural and synthetic rubbers and rubber articles
Inventor: DAVY GEOFFREY SPENCER
IPC: C08K5/18
Filed: 1956-11-12
Abstract: Natural and artificial rubbers are preserved by incorporating therein 4-sec.-butylamino diphenylamine, preferably in the proportion of from 0.5-5.0 per cent of the weight of the rubber. The artificial rubbers include polymers of butadiene 1 : 3, isobutene, 2-methyl butadiene 1 : 3, and 2-chlorobutadiene 1 : 3, and copolymers of these compounds with acrylonitrile styrene, or methyl methacrylate.
Patent GB-867385-A (GB)
Title: Improvements in or relating to secondary electric batteries
IPC: H01M50/627
Filed: 1958-10-29
Abstract: 867,385. Batteries. FRANKMANN, H. June 22, 1969 [Oct. 29, 1958], No. 34582/58. Class 53. A storage battery is provided with a device for keeping the level of the electrolyte constant consisting of a plug 13, Fig. 2, supporting a tube 15, the lower end of which is formed as a seating for a needle valve 12a attached to a float 12b. The bore 14 in the tube 15 is enlarged at its lower end 14b from which a passage 16 leads to a point in the battery above the level of the electrolyte. Fig. 3 shows a modification in which the opening in the tube 29 supported by the plug 23 is controlled by a ball valve 27 actuated by a float in the battery. The ball 27 is enclosed in a chamber 21 from which passages 24a, 24b lead to a point in the battery above the electrolyte. The tubes 15, 29 are connected to a supply of topping-up liquid through a manifold which may feed all the cells of the battery.
Patent GB-941499-A (GB)
Title: Method and apparatus for drying sheet material
Inventor: LASZLO AKOS
IPC: D06B15/00
Filed: 1961-09-28
Abstract: 941,499. Drying textile materials. JERSEY-KAPWOOD Ltd. Sept. 28, 1962 [Sept. 28, 1961], No. 34817/61. Heading F4G. In a drying apparatus a roll 2 of fabric is wound on a hollow cylindrical perforated core 1 which is relatively slowly rotated, e.g. at 30 r.p.m., about its longitudinal axis by rollers 4, 5, &c., driven by a motor 6, whilst compressed air which may be heated in a heater 28 passes through the core and outwardly through the fabric. The core is located endwise by a pair of disc-like end plates 11, 12 engaged at opposite ends of the core. The plate 11 communicates via a bearing 17 with a stationary cup-like fitting 16 to which a source of compressed air is connected and the plate 12 is connected with a piston 19 of an air cylinder 20. In a modification, air may pass inwardly through the fabric by connecting the fitting 16 to an exhaust pump.
Patent GB-1460910-A (GB)
Title: Vibration damping material
IPC: C08F283/01
Filed: 1973-11-26
Abstract: 1460910 Laminates HOECHST AG 26 Nov 1973 [24 Nov 1972] 34867/76 Heading B5N [Also in Division C3] A laminated assembly which has vibration damping properties comprises two sheets having between them, an interlayer comprising a crosslinked polymer derived from a mixture comprising (1) (a), 20-80 wt. per cent based on (a) plus (b) of a copolymer of (i) 20-60 wt. per cent of 2-ethylhexyl acrylate; (ii) 20-50 wt. per cent of vinyl acetate and (iii) 10- 40 wt. per cent of dibutyl moleate (all based on the total of (i) to (iii)), dissolved in (b) 80-20 wt. per cent (based on (a) plus (b)) of vinyl acetate or a mixture thereof with another ethylenic monomer whose homopolymer differs from the homopolyvinyl acetate in its Tg by at least 20 C., and (2) 0À01 to 10 wt. per cent based on the total weight of component (1) of at least one cross-linking monomer having at least two ethylenic groups. In the examples, the two outer sheets are 0À5 mm. thick stainless steel, and the interlayer is 0À3 mm. thick; the additional monomer used in (b) is butyl acrylate or 2-ethyl hexyl acrylate, and the cross-linking monomer is divinyl benzene or tetraallyl oxyethane.
Patent GB-616776-A (GB)
Title: Improvements in and relating to bearing materials and bearings made therefrom
IPC: C22C21/00
Filed: 1946-11-25
Abstract: A bearing or bearing material having a low coefficient of friction and high resistance to seizure is formed of a cast alloy containing 0.1-10 per cent by weight of thallium and the balance aluminium.  The alloy may include, as hardening ingredient or ingredients, nickel and, if desired, one or more of chromium, manganese, titanium, magnesium and beryllium in total amount not exceeding 2 per cent by weight, the nickel content being preferably 1 per cent.  The alloy may also include one or more of the following elements in the stated proportions: 0.1-10 per cent of lead; 0.1-10 per cent of tin; 0.1-5 per cent of cadmium and 0.1-15 per cent of silicon.  A bearing material according to the invention may be bonded to a reinforcing backing such as steel or an aluminium base alloy.  When a steel backing is used, a layer of silver may be interposed between it and the bearing material. The material may be made by melting and superheating aluminium, adding thallium to give the required composition and casting.  The material may then be mechanically worked, e.g. by rolling. Specifications 602,857, [Group XXII], 616,663 and 616,775 are referred to.
Patent GB-654397-A (GB)
Title: Absorption refrigerating machine
IPC: F25B15/10
Filed: 1947-12-31
Abstract: 654,397. Refrigerating; heat exchangers. SCHWENDIMANN, G. Dec. 31, 1947, No. 34958. Convention date, Nov. 18, 1946. [Classes 29 and 64(iii)] An absorption refrigerating system of the continuous cycle inert gas type includes an evaporator 8 as described in Specification 654,396, a rectifier 9 comprising a nest of cooling tubes surrounded by a jacket containing baffles for the expelled vapours, a long and thin absorber pipe 7 the upper part of which is bare and the lower part finned (Fig. 4 not shown) and a gas heat exchanger as shown in Fig. 2. Gas-heat exchangers (Fig. 2). The exchanger comprises a tubular part 1<SP>1</SP> provided with a longitudinally corrugated partition defining two paths of flow S<SP>1</SP>, S<SP>2</SP>, and with concentric outer jackets 21, 3<SP>1</SP>. Cold mixed gas from the evaporator flows through a pipe a, jacket 2<SP>1</SP>, an opening b and flow-path S<SP>1</SP> to a pipe d leading to the absorber vessel 4. Warm inert gas from the absorber 7 flows through a pipe c direct to the flow-path S<SP>2</SP> and through a branch g, jacket 3<SP>1</SP> and opening e to the path S<SP>2</SP>. The gas in path S 2  flows through a pipe f to the evaporator. The jacket 2<SP>1</SP> may have gills and the exchanger is arranged with the jacket 2<SP>1</SP> within the refrigerated chamber.
Patent GB-1137219-A (GB)
Title: Valve piston device
IPC: F16F9/34
Filed: 1967-07-31
Abstract: 1,137,219. Dashpot valve. C. ALINARI. 31 July, 1967 [3 Aug., 1966], No. 35045/67. Heading F2S. [Also in Division G3] A shock absorber comprises a piston having a resiliently flexible disc 3 secured concentrically to its stem and forming an annular clearance with a surrounding skirt 7 or the cylinder wall, the piston head having at least one opening 11 allowing free flow of fluid from one side to another in either direction with accompanying deformation of the disc to vary the effective area of the annular clearance. The disc may comprise several laminations, which may be of different coefficients of expansion for temperature compensation. Support members may be arranged on opposite sides of the disc, e.g. to allow deformation in one direction more easily than in the other.
Patent GB-1433469-A (GB)
Title: Desensitization of colour-forming reaction
IPC: B41M5/128
Filed: 1974-08-08
Abstract: 1433469 Desensitization of colour forming reaction FUJI PHOTO FILM CO Ltd 8 Aug 1974 [8 Aug 1973] 35113/74 Heading C4A [Also in Divisions D2 and G2] At least one colour developer used in a colourforming reaction with at least one colour former is desensitized by contacting the colour developer with a desensitizer composition comprising polypropylene glycol having an average molecular weight of 400 to 5000. A copying material, which may be heat-sensitive or pressure-sensitive comprises at least one colour developer, at least one colour former and at least one desensitizer composition. In the case of the heat-sensitive copying material, the ingredients may be all coated on the same support, together with a meltable material, which on melting becomes a solvent for the colour former. In the case of the pressure-sensitive copying material, the material may comprise two superposed sheets, one of which has a coating of the colour developer, the other of which has a coating of the colour former and at least one of which has a coating of the desensitizer composition such that on application of an image applied in the form of pressure the colour developer is caused to react with the colour former, and on application of a lesser pressure the desensitizer composition substantially prevents the colour-forming reaction. In the examples developer sheets are prepared by coating paper with sulphuric acid treated acid clay, sodium hydroxide, a homogenizer, methylvinyl ether-maleic anhydride copolymer sodium salt, styrene-butadiene copolymer latex, paraphenyl-phenol/formaldehyde resin, polyvinyl alcohol, 3,5-di-tert-butylsalicylic acid, zinc chloride and agalmatolite clay. Colour former sheets are prepared by coating paper with acid treated gelatine, gum arabic, sodium alkylbenzene sulphonate, crystal violet, benzoyl leuco methylene blue, diisopropyl biphenyl, kerosene, hydrochloric acid, glutaronitrile, carboxymethyl starch, cellulose flock, crystal violet lactone, 3 - diethylamino - 7 - diethylaminofluoran, 3 - diethylamino - 7 - phenylaminofluoran, 3 - diethylamino - 7,8 - benzofluoran, 3,6 - dimethoxy - fluoran, diisopropylnaphthalene and 1-(dimethylphenyl)-1-phenyl-ethane. Desensitizer compositions are prepared containing linseed oil modified alkyd resin, titanium dioxide, polypropylene glycol and polyoxyethylene stearylamine.