baber/WOPTO huggingface dataset:
Patent GB-1028634-A (GB)
Title: Overload protective electric switch
IPC: H01H71/16
Filed: 1963-03-25
Abstract: 1,028,634. Thermal switches. I.T.E. CIRCUIT BREAKER CO. March 25, 1963 [Sept. 20, 1962], No. 11785/63. Heading H2B. A moulded case overload responsive thermal switch has a bimetal actuator 21 heated by a current carrying loop 18 and mounted at one end on a main support 22 attached to which is an auxiliary support 24 deformable with respect to 22 by a preset adjustment screw 25, the complete unit comprising bimetal and supports 22, 24 being pivotable about a bearing surface 29 of the housing by a knob 28 to set the operating temperature. The bimetal 21 acts through a slide 31 on a coil spring 47 to snap contacts 32, 33 open upon overload but the bimetal is insufficiently resilient to reclose the switch upon cooling, this being done by depressing a reset slide 50 against a bias spring (Figs. 1, 4, not shown). The slide 50 can be held down, by a latch 58 (Fig. 2, not shown) engaging a slot in the slide, when the switch becomes self reclosing. Substitution of a different slide 50a (Fig. 6, not shown) allows the switch to be opened manually as well. Alternative forms of the heater are described (Figs. 6a, 6b, not shown). Auxiliary signalling contacts 43, 44 are provided. Three overload switches 10 are pluggable into a base 150 mounted upon a contactor 200 (not described) and connections are made within the base to connect all the contacts 32, 33 in series with the contactor coil (Fig. 7a, 8, not shown).
Patent GB-559095-A (GB)
Title: Improvements in or relating to radio amplifiers
IPC: H03G7/02
Filed: 1942-08-21
Abstract: 559,095. Wireless transmitting apparatus. HINGS, D. L. Aug. 21, 1942, No. 11792. [Class 40 (v)] An amplifier, adapted to be interposed between a load circuit, such as an aerial 12 and a feed line energized by a source of modulated radio frequency and shielded from the emitting load circuit, includes an expansion control circuit controlled from the source of modulated radio frequency. The Figure shows a beam type tube 26 fed from the output terminal 13 of a preceding stage through a tuned circuit 44, 45. Expansion control is effected by control of the bias applied to the tube 26 from the tuned circuit 44, 45 through the detector-amplifier 50 the audio frequency output from which controls the impedance of the tube 51, arranged in series with resistance 77 and bias source 78. In this way no current is passed by the tube 51 in the absence of modulation while the condenser 76 ensures that the control voltage is integrated. The amplifier may be mounted in a housing through which the input terminal extends while taps 48, 47 on inductance 44 enable the input impedance and the impedance of the output to the detector to be matched to the impedance of the circuit 44, 45.
Patent GB-404185-A (GB)
Title: Improvements in piezo-electric oscillators or resonators
IPC: H03H9/09
Filed: 1933-04-24
Abstract: 404,185. Piezo-electric crystals. ZEISS, C., [Firm of], Carl-Zeiss-Strasse, Jena, Germany. April 24, 1933, No.11867. Convention date, April 28, 1932. [Class 40 (v).] A piezo-electric crystal c cooperates with electrodes d<1>, d<2>, which are concavely curved towards the crystal.
Patent GB-130132-A (GB)
Title: Improvements in or relating to Burners for Liquid Fuel.
Inventor: CURLE JAMES ANDREW
IPC: F23D11/10
Filed: 1918-07-19
Abstract: 130,132. Curle, J. A., and Sellar, W. July 19, 1918. Spray burners.-Air from a fan or other rotary low-pressure air-compressor is supplied to a liquid fuel burner through a central nozzle B and outer nozzle c<2>, the liquid fuel being supplied through an intermediate nozzle A<2>. The effective areas of the orifices of the air nozzles are such that sufficient or nearly sufficient air may be admitted through the burner to permit of complete combustion of the fuel. The inner face of the orifice C<2> may be provided with corrugations or protuberances to break up the air current. A small space is left between the nozzle-end of the burner and the furnace wall, so that air may be drawn into the furnace chamber by induction.
Patent GB-235366-A (GB)
Title: An improved syphon nozzle and strainer
IPC: B67D7/76
Filed: 1924-05-14
Abstract: 235,366. Reeble, F. C. May 14, 1924. Siphons, - A siphon nozzle is fitted at its lower end below the inlet holes H with a saucer-shaped cap 3 to prevent sediment from entering. A thimble - shaped strainer is inserted into the member 2 before the latter is screwed into the member 1, which is also screwed internally for attachment to the siphon tube.
Patent GB-275707-A (GB)
Title: Improvements in or relating to road and floor paving and paving blocks therefor
IPC: E01C5/18
Filed: 1926-05-07
Abstract: 275,707. Aked, C. B. May 7, 1926. Block paving.-Relates to rubber-block paving of the type in which the blocks have intercommunicating undercut longitudinal and transverse channels in their under surfaces to key the blocks to the concrete foundation. According to the invention, one longitudinal channel 7 and two transverse channels 4 form three bifurcated legs 5, see plan Fig. 1, of which the intermediate one x is non-central with respect to the others. The blocks are united by tongues and grooves 9, 8 formed in the side faces of the blocks and by metal rods passing through holes 10 on the bifurcated legs. Beads y are provided to contract the base openings 4. The blocks may be V-shaped in plan as shown in Fig. 4, the longitudinal openings being thereby inclined to the direction of traffic. Such V-shaped blocks may be combined with filling blocks 13, 14 of wood or rubber, as shown in Fig. 9.
Patent GB-397963-A (GB)
Title: Improvements in or relating to ventilators for vehicles
IPC: F24F7/00
Filed: 1932-04-26
Abstract: 397,963. Ventilators. LUDLOW, E. R., 57, Gillhurst Road, Harborne, Birmingham. April 26, 1932, No. 11936. [Class 137.] A ventilator for vehicles, effective in either direction of movement, comprises a base or attachment a having an opening leading to the space to be ventilated, and surrounded by a flange b which is covered by a dome c, of greater area than the opening, and having its peripheral edge spaced from the base at a greater distance than the free edge of the flange b. One or more peripheral baffles d are provided, the upper edge of which may be flared. The baffle d is spaced by lugs e from the base, and a lip f may be used to return to the outside any water which penetrates through the opening. In a modification, a second baffle ring is provided inside the ring d, and the base adjacent the opening is curved to afford room for a grid. Air currents strike the baffle, and are deflected upwardly and create a partial vacuum in the annular space between the baffle and the cover, drawing air through the opening.
Patent GB-290624-A (GB)
Title: Improved method of assemblage of sheet-metal plates used in metallic construction
IPC: B64C3/26
Filed: 1928-04-23
Abstract: 290,624. Soc. Anon. Nieuport-Astra. May 18, 1927, [Convention date]. Framework; planes, construction of.-For connecting together sheet-iron plates for aircraft, the edges thereof are bent into trough form so as to embrace a wire or tube and are clamped thereon by means of a split tube. The invention is described with respect to an aeroplane wing. The rib b Fig. 2 of the normal wing and the cover-plates c are bent as shown to surround a wire d and are clamped in position by a tube e. In the construction shown in Fig. 4, the ends of the bracing members b embrace the wire d, and are in turn surrounded bv the end of the coverplates c, the split tube e surrounding the whole assemblage. The tube e may be of constant cross-section, or variable in cross-section as shown in Fig. 3 and along its length in accordance with the stresses. The Specification as open to inspecticn under Sect. 91 (3) (a) comprises also the provision of a plastic wire d, or of plastic or distortable inserts between the assembled members; the wire may also be replaced by the rolled end of one of the plates or a helical spring. This subject-matter does not appear in the Specification as accepted.
Patent GB-377278-A (GB)
Title: The manufacture of ureas
IPC: C09B43/00
Filed: 1931-04-22
Abstract: Ureas are made by treating isocyanates of aromatic aminoazo compounds (see Specification 372,355) with ammonia or its primary and secondary substitution products, e.g. alkylamines, arylamines, aralkylamines or diarylamines or their derivatives, e.g. alkyl, halogen, alkoxy derivatives or sulphonic or carboxylic acids.  The ureas are either dyestuffs themselves or intermediates therefor.  In examples, (1) phenylazophenylisocyanate is condensed with H acid in benzene; 4-(4<1>-methoxyphenylazo-)-3-methylphenylisocyanate and 4-(4<1>-hydroxy - 3<1> - methylphenylazo) - phenylisocyanate may be used and also K, J, and g  acids, 1 : 8-aminonaphthol-6-sulpho acid and naphthylamine sulphonic acids, (2) the isocyanate from the aminoazo compound o-chloraniline --> 3-amino-4-cresolmethylether is heated with aniline in benzene solution; the isocyanate of the saponified aminoazo compound 4-aminoacetanilide --> 1-phenyl-3-methyl-5-pyrazolone may also be used as starting material and the aniline replaced by naphthylamines, toluidines, chloranilines, nitroanilines, aminophenols, anisidines, and aminoazo compounds, (3) the isocyanate of 1-phenyl-3-methyl-4-(4<1>-aminophenylazo)-5-pyrazolone is heated with ammonia in benzene.
Patent GB-216853-A (GB)
IPC: G03C7/08
Filed: 1924-05-14
Abstract: 216,853. Christensen, J. H. June 1, 1923, [Convention date]. Colour photography.-In the process of producing multicolour screens from compounds of basic dyes with tannic acid dissolved in alcohol, or with tungstic. molybdic, or tuugstic-phosphoric acid dissolved in ammonia, by emulsifying the coloured liquid in another liquid, and applying the fine, coloured particles to a carrier, the emulsificabion is efffected in a liquid which has been made viscous by rubber, or a rubber-like substance such as gutta-percha, or balata, to which may be added a solution of a resin such as gum dammar, and the coloured particles are applied directly, without the interposition of an adhesive substratum, to a carrier such as glass, celluloid, cellulose acetate, or gelatin, and dried. Emulsified particles of the different colours are produced separately and, after treatment with a solvent to remove the greater part of the rubber, are mixed and applied in known manner in a single layer to the carrier.
Patent GB-355275-A (GB)
Title: New or improved means for applying parts, decorations, or the like to ceramic ware
IPC: B28B11/08
Filed: 1930-04-16
Abstract: 355,275. Pottery manufacture. WADE & SON, Ltd., G., Manchester Pottery, High Street, Burslem, and WADE, G. A., St. Quentin, Sandy Lane, Newcastle-under- Lyme, both in Staffordshire. April 16, 1930, No. 12011. [Class 87 (i).] Handles and other components are applied to ceramic ware by a machine comprising a standard q carrying a bar o provided with a head n which is adapted to be inserted within the article in order to form an abutment while a member g is actuated to press the component against the exterior of the article. The member g is provided with a series of vertical dovetail guides to receive shaped carriers such as w, Fig. 8, for supporting a handle, spout, &c. The article is placed on a rotatable table a which may be locked in the required angular position on a slide b. The member g is carried by a slide d, yieldingly connected through springs e<1> to a second slide d<1> which is positively actuated by a lever i and pinion and rack gear h<1>, h. The member g may be automatically or manually rotated to bring the required component into alignment with the work on the table a.
Patent GB-665199-A (GB)
Title: Improvements in or relating to methods of sizing nylon fibres and yarn
IPC: D06M15/267
Filed: 1948-05-04
Abstract: Nylon fibres or warp yarns are treated with an aqueous solution of the ammonium, a quaternary ammonium, or the sodium or potassium salt of a copolymer of styrene or a substituted styrene with an alkyl ester of maleic acid in which the alkyl group contains 1-4 carbon atoms, and then dried.  The solution is free from substances which would react with the salt of the copolymer on heating to form an insoluble resin, and the fibres or yarns are not subjected to any after-treatment with such substances.  Drying may take place at 200-300 DEG  F.  The sized nylon warp yarns may be woven into a fabric and the fabric may be subjected to finishing treatments without first desizing it.  The treatment decreases the amount of dusting and shedding during weaving operations and improves the strength of the yarns.  The sizing solution may be applied at raised temperature, e.g. 120-150 DEG  F., or, if desired, at room temperature without gelling.  The sized yarns may be dried by passage over heated rollers or by means of a current of air. The alkyl group of the maleic ester may be methyl, ethyl, propyl, butyl, or secondary butyl.  The concentration of the copolymer salt in the bath and the pick-up of the sizing rolls should be adjusted to deposit on the yarns 2-12 per cent by weight of the salt.  If a semi-permanent stiff finish is desired, it is necessary when ammonium salts are used to dry the yarns, or the fabrics produced from them, at a temperature, e.g. 250-300 DEG  F., sufficiently high to set the resin.  When sodium or potassium salts are used, the resin may be set by subjecting the yarns or fabrics to a dilute acid bath.  The copolymer may be prepared by heating styrene and a maleic ester at 100-300 DEG F. for several hours using, e.g., 1 mol. of styrene to 0.25-4 mols. of maleic ester.  A solvent such as acetone and a catalyst such as benzoyl peroxide may be present.  If desired, a copolymer of styrene and maleic anhydride may be prepared first and then esterified, or a mixture of styrene, maleic anhydride, and an alcohol may be subjected to polymerization treatment.  The fabric obtained by weaving the sized yarns may be dyed and finished without preliminary de-sizing. Softening agents, e.g. sulphonated oils, ethylene oxide condensation products, soaps, emulsified tallow or oils, or glycerine, may be added to the size bath.  Instead of sizing the yarns, the component fibres may be sized at any stage before spinning.
Patent GB-377731-A (GB)
Title: Improvements in or relating to the recording of sound on films and to the reproduction of sound from such records
IPC: G11B7/00
Filed: 1931-04-24
Abstract: 377,731. Optical sound-recording apparatus. FIDELITY FILMS, Ltd., 145, Wardour Street, London, and CROWTHER, F. K., 19, Orchard Avenue, New Malden, Surrey, and REE, J., Best Beech Cottage, Pinner Hill, Middlesex. April 24, 1931, No. 12222. [Class 40 (ii).] Comprises apparatus for recording a variable-area sound record by means of an electron discharge tube so that the record will give rise to a minimum amount of " ground noise when reproduced. The electron discharge tube, which is of the kind described in Specification 364,146 is adapted to produce a line of light whose fluctuations in length occur equally on both sides of the centre so that a record produced by the light emitted therefrom comprises a double trace symmetrical about the centre line of the record track. The fluctuations in the light emitted from the electron discharge tube are governed by the variations of the microphone current, and in the circuit of the discharge tube is included a thermionic valve whose grid is controlled by the sound-induced currents so that the mean current in the discharge tube is varied in accordance with the volume of the recorded sound. The electric circuit is shown by Fig. 3. An electron discharge tube O is connected to the sound-recording amplifier, and in series with the tube O is a valve V the grid of which is connected to one winding of a transformer T the other winding of which is arranged to be impressed with current variations corresponding to the sound. The grid bias battery G of the valve V is adjusted so that when there is no signal a predetermined minimum direct current passes through the discharge tube O. When an incoming signal is received a voltage is impressed on the grid of the valve V which causes a larger mean current, about which the fluctuations occur, to flow through the tube O. A condenser C shunted between the anode and filament of the valve V acts as a lag device to prevent the mean current through the tube changing too quickly with any sudden variation in amplitude of the sound so that variation in the mean current through the tube is made to follow the general envelope of the sound wave variations. A positive record produced by this method is illustrated by Fig. 2 wherein the mean position of each record trace follows the envelope of the sound wave variations so that it is always only just a sufficient distance from the centre line of the record track to ensure that the corresponding peaks of the sound record traces do not overlap, thus leaving a minimum amount of clear area on the film and so reducing the " ground noise" on reproduction.
Patent GB-1486697-A (GB)
Title: Process and installation for the purification of sewage
IPC: C02F3/12
Filed: 1975-03-25
Abstract: 1486697 Activated sludge process INGENIEURSBUREAU DWARS HEEDERIK EN VERHEY BV 23 March 1976 [25 March 1975] 12342/75 Heading C1C In an activated sludge process for purifying sewage wherein the sewage is circulated in a basin along a closed path, the entire amount of the sewage is introduced to the basin exclusively by pressurizing the sewage by a pump means, passing the pressurized sewage through at least one injector having an air inlet in open communication with the atmosphere whereby air is mixed with the sewage, and introducing the mixture of air and sewage into the basin in the form of an inclined jet in such a manner that the required amount of oxygen is added to the sewage and the sewage is brought into circulation along the closed path. A preferred injector shown in Fig. 2 comprises a sewage inlet pipe 7 provided with a nozzle 8 discharging into conduit 9, the pipe 7 being surrounded by a chamber 10 connected to channel 11 which is exposed to the atmosphere. In Fig. 1 raw sewage is passed through a screen 4 to a pressurizing pump 5, into injectors of the type shown in Fig. 2 and injected into an activated sludge basin 1.
Patent GB-1462376-A (GB)
Title: Dental apparatus
IPC: A61C1/00
Filed: 1973-07-18
Abstract: 1462376 Dental apparatus C M W LABORATORIES Ltd 8 April 1974 [2 May 1973 (2) 18 July 1973] 20777/73 12428/74 and 12431/74 Divided out of 1450122 and copending Application 34250/73 Addition to 1391435 Heading A5R A service supply apparatus for dental instruments for providing at least air and water to said instruments, comprises at least two fluid conducting conduits, each conduit being provided at intervals with a self-sealing coupling member, i.e. a coupling member of the type which seals itself when a mating coupling member is removed therefrom, the coupling members at each interval forming a set for simultaneous releasable connection to a set of respective mating coupling members on an instrument control module incorporating controls for a dental instrument and appropriate fluid-conducting conduits leading from said mating coupling members to said dental instrument via said controls. At least three conduits are preferably provided, and the service supply apparatus may be arranged on a dental chair. The self-sealing coupling members may be of the type described and claimed in Specification 1441617. There is also described and claimed a dental instrument control apparatus comprising the service supply apparatus connected to a said dental instrument via said instrument control module. The instrument control modules may be of the type described and claimed in Specification 1450122.
Patent GB-903950-A (GB)
Title: Magnetic circuit with adjustment by plunger core
Inventor: THEVENIN JACQUES
IPC: H01F17/04
Filed: 1959-04-13
Abstract: 903,950. Transformers and inductances. COMPAGNIE INDUSTRIELLE DES TELEPHONES. April 13, 1959, No. 12458/59. Class 38 (2). To obtain very small air gaps between the adjustable ferrite slug 9 and the bore of a pot-type core 5, 6, in which it is located, the slug 9 has a layer of a polyamide material 10 cast thereon and formed with a thread which cooperates with a thread 8 formed of an ethyoxyline resin material adhering to the inside of the bore. The thread 8 is formed by inserting into the bore a threaded mandrel of polytetrafluorethylene, introducing the resin in a liquid state and leaving the mandrel in the bore until the resin has hardened after which it is unscrewed.
Patent GB-183928-A (GB)
Title: An improved convertible chair and bedstead
IPC: A47C17/207
Filed: 1921-05-02
Abstract: 183,928. Caisley, E. May 2, 1921. Bedsteads convertible into seats; seat adjustments.-In a chair convertible into a bedstead, of the type in which the hinged back g can be lowered and the hinged upper seat frame a', together with the arms l, can be turned forwards, the pillow m is hinged at its top edge so that it can be reversed, and a frame h, carrying pine j is pivoted to the back g. The frame h forms supporting means for the back g when it is lowered position, and permits angular adjustment of the back when the device is used as a chair. The pins j then engage either the grooves l<2> in the arm-rests, or slots l<1> in the back g, the frame h, in the latter case, abutting against stops k.
Patent GB-528082-A (GB)
Title: Improvements in and relating to door holding and control mechanisms
IPC: E05B65/32
Filed: 1939-04-27
Abstract: 528,082. Door-operating appliances and stops; fastenings. SCHONITZER, R. I. April 27, 1939, No. 12606. [Classes 44 and 65 (i)] Door holding and control mechanism comprises a pivoted member 14 mounted on a door and co-operating with a fixed keeper 17 on the door frame by means of a latch finger 12 which holds the door in closed position, and a dooropening member 13 which starts the opening of the door when the member 14 is turned clockwise. In the closed position of the door, the member 14 is wedged between the fixed pair 17 and another fixed abutment 60 which may consist of a spring-pressed wedge, or a pivoted cam, or a flat surface engaged by a pivoted cam on 14. This wedging prevents any movement of the door in the axial hinge direction. Either finger 12 or 13 may be omitted. The spindle 21 carrying 14 mounts a plate 24 adapted to be turned to operate 14 by a spring 32 and held against movement by a pivoted detent 40 engaging 24 at 44 and moved to releasing position by a push button 50. In another form a lever is pivoted on 17 and serves as the lower wedge abutment for 14. Specifications 403,853 and 501,613 are referred to.
Patent GB-1094789-A (GB)
Title: Process for the preparation of an aluminium support for the production of planographic printing plates
IPC: B41N1/08
Filed: 1966-03-22
Abstract: A boehmite coating is formed on aluminium sheet or moving strip by subjecting it to the action of hot (95 to 98 DEG C.) distilled water with D.C. or A.C. applied between the aluminium and the bath or by subjecting it to the action of hot (95 to 98 DEG C.) distilled water containing dicyclohexylammonium nitrite.