baber/WOPTO huggingface dataset:
Patent GB-570571-A (GB)
Title: Improvements in or relating to marine boiler furnaces
IPC: F23M7/00
Filed: 1943-03-16
Abstract: 570,571. Furnace fronts. BARNETT, L. March 16, 1943, No. 4258... [Class 51 (i)] Streams of preheated air are delivered above the fire of a boiler furnace from air-heating chambers arranged above or at the sides of the fire door opening, the air being introduced to the chambers through a valve having its inlet facing the boiler front. Figs. 2 and 6 show an air-heating chamber 1 adapted to be arranged above the door opening. The chamber is provided with an air inlet tube 4 controlled by a valve 5 having inlets 9 facing the boiler front and movable to close and open the end of the tube 4. Air entering the chamber is caused to follow a tortuous course by baffles 6 and is finally delivered over the fire through openings 7. Fig. 8 shows a modification in which air enters a hollow casting 13 through openings 14 facing the boiler front and passes under the control of a valve 16 through the tube 19 to the air-heating chamber (not shown).
Patent GB-824829-A (GB)
Title: Nuclear reactors
IPC: G21C3/16
Filed: 1958-02-10
Abstract: An alloy of uranium for use in a nuclear reactor contains up to 1.5% of silicon and 5% if zirconium alternatively up to 1.5% of silicon and 1.5% of iron.  A further alloy described comprises uranium with up to 7% of zirconium and up to 3% of niobium.
Patent GB-1074023-A (GB)
Title: Improvements in and relating to tool-boxes for cutter tools
Inventor: PROCTOR SIDNEY ERNEST
IPC: E21C35/19
Filed: 1965-02-01
Abstract: 1,074,023. Mineral cutter picks and boxes. AUSTIN HOY & CO Ltd. Jan. 31, 1966 [Feb. 1, 1965], No. 4353/65. Heading E1F. Latch mechanism for securing a cutter pick in a pick box comprises a pin resiliently mounted in the box to normally extend transversely adjacent an inner wall surface to engage in a recess in the pick when it is entered into the box unless withdrawn from the recess by means acting on one or both ends of the pin, the end or ends projecting from a bore or bores in the box. Preferably the bores are aligned with a groove extending across the inner wall of the box, the pin being partially located in the groove.
Patent GB-1075695-A (GB)
Title: Separating apparatus
IPC: B04C5/081
Filed: 1965-02-01
Abstract: 1,075,695. Centrifugal separators. SIEMENSSCHUCKERTWERKE A.G. Feb. 1, 1965 [Feb. 1, 1964], No. 4362/65. Heading B2P. An apparatus for separating from a stream of media, e.g. an aerosol, constituents of different specific gravities, comprises a vortex chamber 8, a collecting chamber 15 communicating with the chamber 8, a tube 10 coaxial with the chamber 8 and having an outlet 11 in communication with the chamber 8, a tangential or substantially tangential inlet duct 16 feeding the stream of media into the tube 10 to produce a spiral flow 20, thereof in the tube. and one or more oblique tangential or eccentric ducts 9 through which a secondary medium is fed to produce in the outer annular region of the chamber 8 a downward spiral flow 21 which together with the spiral flow 20 of media passing out of the outlet 10 set up forces which cause separation of the constituent of greater or greatest specific gravity which is discharged into the chamber 15 via the annular passage 25. The flow 21 of secondary medium is in the form of a "potential" flow which induces in the stream of media a "rotary" flow 22. The outlet 11 of the tube 10 has a venturi profile 12. Streamline bodies 17, 18 act as flow stabilisers. Pre-separation of coarser particles takes place in the tube 10, these particles being evacuated through valve controlled outlet 13. The outlet of the chamber 15 is controlled by a flap 19. In a modification, Fig. 3 (not shown), the lower conical portion of the chamber 10 is extended as far as the base of the collecting chamber 15 and may be sealed from external air by a bucket wheel or compartment wheel valve 28. Return air from the chamber 15 flows through an aperture 27 in the supply duct 16. In a further modification, Figs. 1a and 1b (not shown), a supply duct 4 has a conical portion 7 and is preferably of rectangular cross-section where it enters the inlet tube 2.
Patent GB-945470-A (GB)
Title: Improvements relating to hydraulic braking systems
Inventor: KINGS LEONARD WILLIAM
IPC: F15B1/26
Filed: 1959-01-06
Abstract: 945,470. Master cylinder reservoirs. GIRLING Ltd. Dec. 31, 1959 [Jan. 6, 1959], No. 4373/63. Divided out of 945,469. Headings F2E and F2F. A sealed container 16 is clamped by flange 17 and nut 18 to a master cylinder reservoir 10 which has a tube 12 which pierces the container to release fluid to the reservoir via tube 12 and ports 14. The container, of thin metal or transparent thermo-plastic material, has a dome formed of three layers of material 19, 20, 21, the inner layers 19, 20 containing holes and the layer 21 being pierced after attachment of the container to reservoir 10 to permit liquid to flow to the reservoir. The container may be flexible so that it collapses as the liquid flows out.
Patent GB-910745-A (GB)
Title: Improvements in or relating to the manufacture of hollow articles from organic plastic materials
Inventor: STRONG BERNARD
IPC: B29C49/42
Filed: 1958-02-11
Abstract: 910,745. Blow-moulding hollow articles. SHIPTON & CO. Ltd., E. Feb. 11, 1959 [Feb. 11, 1958], No. 4413/58. Class 87(2). A method of blow-moulding hollow articles from plastic material e.g. polyamide or polyethylene, comprises downwardly extruding a tube 8 of the plastic material over a blowing nozzle 7, stopping extrusion when enough tube has been extruded to make the article, closing a multipart mould 29 about the tube 8 to compress the lower end of the tube on to the blowing nozzle 7 and to pinch together without severing the tube walls at the top of the mould cavity, admitting a fluid through the blowing nozzle 7 to expand the tube 8 to the mould cavity, and, after the article has rigidified, opening the mould 29, lowering the blowing nozzle 7 and the article to sever the unblown tube from the extrusion nozzle and finally removing the article from the blowing nozzle. The extrusion machine 1 for carrying out the process may have a head 4 with two or more extrusion nozzles 5 and may have a rotary distributor valve 3, as in Specification 805,834, for supplying plastic alternately to two such heads 4. Control of the length of tube 8 extruded may be effected by photo-electric cell apparatus 27, 28, the blowing nozzles may be water cooled by a box 18 and the stripping of the articles from the blowing nozzles be effected by downward movement of firstly the nozzles 8 and box 18 and then by continued movement of the nozzles only. The articles then remaining on the box 18 may be discharged by a tilting frame 23 (see Fig. 3, not shown). Specification 700,984 also is referred to.
Patent GB-916383-A (GB)
Title: Olefin polymerization process and catalysts therefor
Inventor: GIBBS CARLIN FRARY
IPC: C08F136/06
Filed: 1959-02-09
Abstract: Conjugated diolefin hydrocarbons are polymerized in an inert hydrocarbon medium (optionally with monoolefin comonomers) by contact with a catalyst consisting of the clear supernatant material produced by reaction in an inert hydrocarbon medium of an anhydrous Co11 or Co111 Compound and a Group I-III organometallic compound.  Preferably the degree of dehydration of the Co compound is at least that achieved by an efficient azeotropic distillation in toluene.  The examples describe the preparation of generally cis-1:4 polybutadiene and polyisoprene, as well as copolymers of butadiene with styrene, isobutylene, butene-2, 2-methylbutene-2 and isoprene, using catalysts prepared from components selected from cobaltous chloride, hexahydrophthalate, naphthenate, octoate and 2-ethylexoate; and i-Bu3Al, i-BuAlCl2, EtAlCl2, i-Bu2AlCl, MeAlCl2, Me2AlCl and mixtures of such alkylaluminium mono- and di-chlorides including the sesquichlorides.  Many other suitable diene monomers and catalyst components are listed in the Specification.  Belgian Specification 534,792 also is referred to.
Patent GB-443933-A (GB)
Title: Floatless carburettors for internal combustion engines
IPC: F02M69/00
Filed: 1935-02-12
Abstract: 443,933. Spray carburetters. SOC. ANON. SOLEX, 190, Avenue de Neuilly, Neuilly-sur-Seine, France. Feb. 12, 1935, No. 4556. Convention date, Jan. 29. [Class 7 (iii)] To facilitate inverted flying, atmospheric air is drawn away from the incoming air flow to the engine along a pipe 3 into a chamber 2 supplied with fuel under pressure by a nozzle 10 and the rich mixture passes through a number of outlets 6 in the chamber 2 into an outer chamber 7 communicating by a pipe 8 with the induction pipe beyond a throttle 4. The chamber 2 is spherical, and the air and fuel pipes enter it offset from one another. A dash pot 15 retards the opening of the fuel valve, which is connected to the throttle for simultaneous operation therewith, and the fuel is supplied by a pump 9 through a regulator comprising a valve 17 controlled by a spring pressed diaphragm 16 the pressure on which is adjusted either manually or automatically dependent upon temperature and pressure conditions.
Patent GB-1493704-A (GB)
Title: Fluid control apparatus
IPC: F15B11/16
Filed: 1975-02-03
Abstract: 1493704 Hydrostatic transmission control POCLAIN 3 Feb 1975 [4 Feb 1974] 4592/75 Heading F2W In a hydrostatic transmission having two motors 7, 8 (Fig. 1) or 43, 44 (Fig. 2) supplied from a single pump 1 through a flow divider 6 or from separate pumps 34, 35, a relief valve 21 disposed in a line 20 connected to the pump output or the output of the pump supplying the higher pressure is operated in response to the sum of the pressures in lines 13, 14 or 39, 40 to the motors and to the pressure in the line 20 upstream of the relief valve 21. The relief valve 21 is connected by a rod 25a to a stepped piston 30 of a pressure summation servo 24. In Fig. 2 the output of the pump 34 or 35 supplying the higher pressure is connected to the line 20 through a shuttle valve 53. The pumps 34, 35 deliver to the motors 43, 44 through reversing valves 41, 42. The pumps and motors 34, 43; 35, 44 may be in closed circuit. In Fig. 3 (not shown) the pressure summation servo 24 and relief valve 21 are combined as a single unit.
Patent GB-1236723-A (GB)
Title: Method and apparatus for producing carbonaceous bodies
IPC: B28B1/087
Filed: 1970-01-30
Abstract: 1,236,723. Moulding carbonaceous bodies. SWISS ALUMINIUM Ltd. 30 Jan., 1970 [4 Feb., 1969], No. 4669/70. Heading B5A. Carbonaceous material is shaped in a mould by vibrating the base of the mould and simultaneously applying an increasing pressure from above by a mould cover. The material may also be subjected to vibration through the cover and the mould walls; the vibrations applied by the different parts preferably being produced independently of each other. As shown, the mould comprises a base 2 fitted with vibrators 4 and mounted on springs 3. Mould walls 1 are mounted on vibration damping supports 6 and the cover 8 is mounted via vibration damping coupling 17 on piston 9 of double acting cylinder 10. The mould and cylinder are both attached to frame 13 which is separated from the ground by vibration damping supports 15. The cover 8 is equipped with vibrators 18. In operation, the mould is filled with carbonaceous material and the cover is lowered into contact therewith. The vibrators are started and after a few seconds initial compaction, during which occluded gases can escape, an increasing pressure is applied to the cover by cylinder 10. After moulding, the mould walls are attached by catches 12 to the cover and are raised with it. In alternative embodiments the mould walls may be suspended so that they can move with the carbonaceous material as it is compressed and the mould may be mounted so that the walls can be lowered and the moulded body pushed sideways on to a conveyer. The apparatus is suitable for the production of large electrodes.
Patent GB-590637-A (GB)
Title: Improvements in and relating to photographic colour development
Filed: 1940-03-13
Abstract: The cyanacetylhydrazone of ethyl benzoylpyruvate is prepared by refluxing together ethyl benzoylpyruvate and cyanacetylhydrazide. The cyanacetylhydrazones of benzoylacetone, diethyl acetonedicarboxylate, and diketohydrindene and the p-nitrophenylacetohydrazone of ethyl benzoylacetate are similarly prepared.
Patent GB-411230-A (GB)
Title: Improvements in and relating to apparatus for supporting the contents of sauce pans and the like
IPC: A47J36/22
Filed: 1933-02-16
Abstract: 411,230. Saucepans &c. AVERY, R., 5, Cresswell Grove, West Didsbury, Manchester. Feb. 16, 1933, No. 4732. [Class 66.] A device for use within saucepans &c. to support the contents comprises an open or perforated circular base 3 the edge of which is provided with a border consisting of interlocking links or loops 7 which may be turned inwardly or outwardly, the arrangement of the links ensuring that they all move together. The base is supported upon feet 4. Specification 383,561 is referred to.
Patent GB-1448187-A (GB)
Title: Photoconductive bands for photocopying machines
IPC: G03G21/00
Filed: 1975-02-04
Abstract: 1448187 Electro-photographic copying machine WIFO WISSENSCHAFTLICHES FORSCHUNGS-INSTITUT AG 4 Feb 1975 [11 Feb 1974] 4760/75 Heading G2H The machine includes an endless and seamless image forming and transfer band of electrically conducting material having a coating of photoconductive material. The band is preferably made of metal by the galvanic deposition of the metal on a form. A conventional photo-conductive material may be deposited on the metal by electro-phoresis, spraying, coating or dipping.
Patent GB-105258-A (GB)
Title: Improvements in or relating to Foundry Ladles.
Inventor: LAKE WILLIAM BEARD
IPC: B22D41/05
Filed: 1916-04-01
Abstract: 105,258. Lake, W. B., Moscrip, W., and Sharpe, D. April 1, 1916. Foundry ladles.-The spout of a foundry ladle comprises an approximately right-angled passage b<1> whereby the slag is adapted to be retained on the top of the metal during pouring. The upper part of the passage is inclined inwardly towards the ladle, and the passage is preferably formed in a renewable refractory block c, the inner surface c<1> of which partly overlies the interior of the ladle.
Patent GB-1045365-A (GB)
Title: Improvements in milking machines
IPC: A01J5/12
Filed: 1964-02-05
Abstract: 1,045,365. Pulsators for milking machines. DAIRY EQUIPMENT CO. Feb. 5, 1964 [Feb. 6, 1963], No. 4848/64. Heading A1M. A pulsator for a milking machine comprises a housing 10 provided with two chambers interconnected by a bore 18 open to a vacuum line 16 and within each of which is located a pulsator mechanism comprising a coil 46, 48 with corresponding armature 30, 32, means being provided for alternately energizing each pulsator mechanism. A teat cup connector 58 or 60 is provided for each chamber and opens into compartment 50 or 52, the connector 58 being connected to the rear teats, and the connector 60 to the forward teats of a cow. Each armature has a valve 34, 36 controlling a vent 42, 44 to atmosphere and a valve 26, 28 controlling the application of vacuum to the teat cup connectors 58. 60 the coils being energized so that the teat cups are subjected alternately to vacuum and atmospheric pressure. The energizing means is adjustable and vent 44 is smaller than vent 42 so that the forward teats of the cow are milked for a shorter time than the rear teats. The coils 46, 48 are enclosed in a plastics envelope so that the pulsator may be washed.
Patent GB-572642-A (GB)
Title: Improvements in and relating to the production of aliphatic acids by the fermentation of difficultly fermentable materials
IPC: C12P7/54
Filed: 1941-04-11
Abstract: Cellulosic and hemicellulosic materials such as wood, maize leaves and cobs or other leaves or products of hydrolysis of these substances, are fermented with cultures prepared from soils in which beetroots, sugar beets or carrots have been cultivated, and yield mixtures of acetic, propionic and butyric acids.  The cultures may be prepared by adding fresh soil to a mash of rice bran which has been heated to 120 DEG  C. and cooled.  The mixture may be heated for two minutes at 100 DEG  C. and is incubated at 37 DEG  C. Pure cultures may be prepared by isolating single colonies growing on a solid medium, and propagating these colonies.  A culture resembling Clostridium pectinororum, but without its proteolytic power, may be obtained.  The cellulosic material may be hydrolysed by heating with dilute sulphuric acid at about 140 DEG  C. and fermented, after neutralization, without removing the suspended matter at 37-43 DEG C.  The neutralization is effected, preferably incompletely, with ammonia and the fermentation effected in presence of calcium carbonate in amount 1 to 3 times that sufficient to neutralize the amount of acid expected.  The acids are separated by distilling the fermented product after acidifying with sulphuric acid and filtering. An actively fermenting rice bran mash containing calcium carbonate may be used for inoculating the liquid to be fermented.  The residues from the fermentation of rice or wheat bran or maize by Clostridium acetobutylicum may be hydrolysed and fermented.  Specification 249,833, [Class 2 (iii)], is referred to.
Patent GB-851146-A (GB)
Title: Improvements in and relating to an electrically operated tooth-brush
Inventor: WOOG PHILIPPE-GUY
IPC: A61C17/34
Filed: 1958-02-14
Abstract: 851,146. Brushes. AESUP. Feb. 14, 1958, No. 4865/58. Class 19. An electric switch 44, controlling the motor of an electrically driven tooth brush having an oscillating head, is housed beneath a yielding section of the handle 12. This section of the handle or motor casing is formed of flexible resilient material that can be deformed by finger pressure to allow of the actuation of the switch.
Patent GB-1149853-A (GB)
Title: Improvements in or relating to bearing means
Inventor: GRATREX EDWARD JAMES
IPC: F16C32/06
Filed: 1965-02-04
Abstract: 1,149,853. Bearings; disc brakes. PREMIER PRECISION Ltd. 4 May, 1966 [4 Feb., 1965], No. 4948/65. Headings F2A and F2E. In a bearing assembly fluid is supplied under pressure to fluid bearings rotatably mounting a device on a support, the fluid effecting release of braking means biased to prevent rotation of the device. In Fig. 1, a passage 17 in a stationary shaft 13 supplies the fluid and branch passages 18, 21 supply recesses 25 in frusto-conical bearing surfaces. Branch passage 20 supplies fluid to gap 42 between braking blocks 31. 32 on the shaft and forces them, against the bias of springs 38, 39, to disengage from block 58 on rotor 11. Fluid from the brake is then vented via passages 63, 64. In Figs. 3 and 4 (not shown) seals prevent such venting. The device is the rotor of a flow-meter.
Patent GB-1483181-A (GB)
Title: Coating method and apparatus therefor
IPC: B05C9/04
Filed: 1975-02-05
Abstract: The process serves for coating a web of material, in particular a paper web, on both sides with a coating composition. The web (1) is passed upwards through a gap formed by two coating elements (2, 3) adjustable relative to one another. The coating composition is fed under pressure through outlet orifices (12, 13) in the coating elements. The surfaces of the coating elements (2, 3) resting on the web (1) are offset away from one another in the longitudinal direction of the web and offset relative to one another in the direction from one surface of the web to the other, so that the web is deflected like a wave when passing the coating elements. The feed of the coating composition is controlled in such a way that a bead (20, 21) of coating composition forms on each side of the web in front of the wave-like deflection. The process ensures uniform application of a layer to the web and prevents disadvantageous effects of irregularities in the form of the coating elements. <IMAGE>
Patent GB-807727-A (GB)
Title: Improvements in or relating to attenuation devices for very-high-frequency wave energy
IPC: H01J23/30
Filed: 1956-02-17
Abstract: 807,727. Coaxial line attenuators. SIEMENS & HALSKE A.G. Feb. 17, 1956 [Feb. 18, 1955], No. 5017/56. Class 40 (8). A non-reciprocal attenuator comprises a length of coaxial line having a helical inner conductor surrounded by an element of magnetically-polarized ferrite. As shown in Fig. 1, a central helical portion 11 of the inner conductor 10 of a coaxial line is surrounded by a cylindrical ferrite element 12 to which an axial magnetic field is applied by means of a solenoid 13. The coaxial line may be coupled to waveguides 14, Fig. 2, by means of dipoles 15 attached to the ends of the helix. The ferrite element may have an internal diameter which is a minimum midway along its length and which increases towards its ends. Instead of a single element, several such elements may be positioned at intervals along the helix. The solenoid may be replaced by a permanent magnet, the magnetic field and hence the attenuation being varied by means of a magnetic shunt.
Patent GB-290750-A (GB)
Title: Improved process for the electrolytic manufacture of compounds containing active oxygen
IPC: C25B1/28
Filed: 1927-02-22
Abstract: 290,750. Carpmael, W., (1. G. Farbenindustrie Akt.-Ges.). Feb. 22, 1927. Percompounds, obtaining. - Electrolysis is carried out in such a way as to produce highly oxidized compounds in both the anode chamber and the cathode chamber of a divided cell. In an example the anode chamber contains saturated ammonium sulphate solution and the cathode chamber contains sulphuric acid of 0.5 per cent strength through which a vigorous stream of oxygen is passed: hydrogen peroxide is produced in the cathode chamber and ammonium persulphate in the anode chamber. The anode is of platinum and the cathode of amalgamated gold. A voltage of 3.7 is employed, the current density being 20 amps. per sq. dcm. at the cathode. The process may be carried out continuously and at ordinary or increased pressure. In a further example, a perborate may he produced in the cathode chamber and a percarbonate in the anode chamber; in another, a perborate is produced in both chambers.
Patent GB-415399-A (GB)
Title: Improvements relating to photo-mechanical printing processes
IPC: G03F5/00
Filed: 1933-02-18
Abstract: 415,399. Producing photomechanical printing surfaces; photographs. ECKARDT, E. E., 39, Bayreuther Strasse, Dresden, Germany. Feb. 18, 1933, No. 5072. Convention date, Jan. 16. [Class 98 (ii).] Photographs or negatives giving the appearance of an etching or engraving are produced by subjecting a gelatine silver halide layer after exposure, development and fixing, to treatment in a warm water bath which tends to soften the gelatine, the softening process being continued until the silver image particles coalesce to form a reticulated or ' skeletonized ' pattern, as illustrated. The skeletonized image may be used for the production of photomechanical printing surfaces, e.g. it may form an etching resist or may be used directly for collotype &c. ; alternatively, it may be utilized for printing on to a chromate layer in which case the image is reddened by a uranium toning bath. The Specification describes a number of modified methods. Thus the plate or film may be subjected to a warm developing bath or a warm fixing bath ; to alternate warm and cold water baths ; to a very rapid developer ; to a warm oil bath ; or to a bath of potassium ferrocyanide, with or without alternating warm and cold baths. The silver image may be intensified, e.g. with mercury. Reference is also made to the use of silver halide emulsion containing starch, chalk or like translucent materials.