baber/WOPTO huggingface dataset:
Patent GB-631584-A (GB)
Title: Improvements relating to the manufacture of composite metal billets and of lined tubes therefrom
IPC: B23K20/04
Filed: 1947-12-31
Abstract: 631,584. Making compound bars. COLVILLES, Ltd., BARR, W., and ERSKINE, J. Dec. 31, 1947, No. 35400. [Classes 83 (ii) and S3 (iv)] Uniting by fusion; working at specified temperatures.-A composite metal billet for the manufacture of lined metal tubes is made by depositing by fusion welding a surface layer of steel on a square or other section inner core, locating the core in an outer body of metal and bonding the core and the outer metal by hot rolling or forging. A core of stainless steel &c. of square &c. section may be coated with fusion-welded steel and the coating then machined, additional mild steel plates may then be anchored by welding to the core and the billet bonded by rolling or forging. The resulting billet comprising a stainless steel core 10A and mild steel covering 11 A may then be located in mild steel plates 12 and the whole rolled or forged at 1350‹ C. The billet is then pierced and extruded at temperatures of 1230- 1180‹ C. to form a mild steel tube lined with stainless steel. Specification 621,089 is referred to.
Patent GB-1040923-A (GB)
Title: Improvements relating to crushers for stone, coal, ore and other solid materials
IPC: B02C1/00
Filed: 1961-10-02
Abstract: 1,040,923. Jaw crushers. ROBEY & CO. Ltd. and A. CROMPTON. Sept. 28,1962 [Oct. 2, 1961], No. 35485/61. Heading B2A. A swing-jaw crusher comprises one or more hydraulic piston and cylinder assemblies 7 for operating the jaw 4 and means for controlling the supply of liquid to the assemblies from a source of liquid under predetermined constant pressure in timed relationship to the jaw movement. As shown, the crushing stroke of the jaw is effected by single-acting assemblies 7 mounted on an adjusting block 8 and the return stroke by the action of adjustable rods 17 and compression springs 18. The liquid to the assemblies is supplied from a continuously-running pump through control valves operated by pilot valves which are tripped when the jaw reaches each end of its stroke. Flow-restriction means may be provided in the hydraulic system for controlling the rate of jaw movement. The jaw pressure is limited by means of a relief valve and, if desired, several relief valves may be employed each set at a different pressure and arranged in the hydraulic system so that any selected one can be brought into operation at a time. Instead of using relief valves to control the pressure, an accumulator may be employed. In a modification, the springs 18 and assemblies 7 are interchanged so that the crushing stroke of the jaw is effected by the action of the springs and the return stroke by the pistons; with this arrangement, any adjustment to the pressure applied against the springs by the pistons during the return stroke will serve to adjust the length of the return stroke. If only some of the springs and assemblies are interchanged then the hydraulic power necessary for the crushing stroke can be arranged to be the same as that for the return stroke. In another modification, the assemblies are double-acting and springs, if desired, are interposed between the jaw 4 and block 8 to assist the pistons during the crushing stroke.
Patent GB-1356168-A (GB)
Title: Scanning method and a scanning microscope
IPC: G06K9/00
Filed: 1971-07-28
Abstract: 1356168 Scanning microscope INSTITUT BIOLOGICHESKOI FIZIKI AKADEMI NAUK SSSR 28 July 1971 35552/71 Heading G1A In a scanning method or scanning microscope using the method an object to be investigated is moved to a starting position whereat a point in the outline of the object enters the optical axis of the investigating optical system, the outline of an image of the object is traced, the extremal X and Y rectangular co-ordinates occurring during the tracing are evaluated, and the rectangle formed by the axes and the extremal co-ordinates is line scanned. The object 5, Fig.2 is moved on platens 2, 3 by motors 8, 9, under the control of a unit 10 and when the periphery of an object is detected by a photo-detector 6, the movement is stopped and the aperture in a diaphragm 4 is caused to trace out the periphery of the object. Maximum X and Y values registered during the tracing are used as references to define the field of a detailed scan which follows, and, on completion, of that scan, in which optical properties of the object are registered the object is returned to the starting position. The original movement of the object along the X axis is continued and a count is made of oscillations from a generator 28 to determine its width, the movement being continued until a succeeding object enters, the optical axis when the process is repeated.
Patent GB-826230-A (GB)
Title: Improvements in or relating to electrical devices for the storage of information
Inventor: BEAUFOY RAYMOND
IPC: H04M15/04
Filed: 1955-12-14
Abstract: 826,230. Electric digital-data-storage apparatus. BRITISH TELECOMMUNICATIONS RESEARCH Ltd. Dec. 10, 1956 [Dec. 14,1955], No. 35922/55. Class 106 (1). Information stored on a main track of a magnetic drum is copied on to an auxiliary track for processing, after which the processed information replaces the initial version on the main track. As applied to a telephone metering system of the type described in Specification 723,148, [Group XXXIX], each of eight main tracks MT1 ... MT8 on a magnetic drum MD accommodates 100 subscribers' registers, each register comprising storage space for 11 binary elements. The first element in each register, defined by a timing pulse TX1, receives a binary " 1 " signal when that subscriber's line is in metering condition. Such a condition is detected by scanning equipment SC1 for that track gated by TX1 signals and a TMM condition which holds during the scanning of all the eight main tracks. After these signals have been recorded by a head WHI in track MT1, track switching means TSB brings in a second scanning equipment (not shown) for track MT2, and so on until all eight main tracks MT1 ... MT8 have had metering condition signals recorded in the calling subscribers' registers where appropriate. In the TMM period which follows, reading heads RH1 ... RH8 operate in successive drum cycles to copy the contents of each track MT1 ... MT8, respectively, on to an auxiliary track DT. During each cycle these signals are picked up by a head DRH and applied to an amplifier and sampler RS2 which provides an output SLM for each binary one " and an output SLM for each binary zero." The presence of a binary " one " signal in a TX1 position during TMM sets a thermionic relay or toggle MAB to prepare for increasing the amount in that subscriber's register by unity. Another gate opened by TX1, TMM sends a zero signal via a cathode follower CA to erase the metering signal in the TX1 position on the main track. Increasing a registered amount by unity is performed by complementing each successive digit until a zero has been complemented, and then recording true digits (arrangements for adding two and four units are also mentioned). While MAB remains set, zero signals are supplied via the cathode follower CA to the main track writing head, and continue as long as binary " one " signals appear on SLM. The first binary " zero " on SLM gates a signal through a cathode follower CB which causes a binary " one " to be written on the main track, and also resets MAB so that the remaining digits recorded on the main track are left undisturbed. In the circuit of a writing head WH, Fig. 2, a positive pulse on SBM only, or both SBM and SAM together, causes V1 to conduct and binary " one " to be written. An AND gate fed by SAM and an inverter of SBM ensures that V2 conducts to write binary " zero " only with a positive pulse on SAM and no pulse on SBM.
Patent GB-343195-A (GB)
Title: Improvements in and relating to louvre ventilators for vehicles, ships, boats and aircraft
IPC: F24F13/10
Filed: 1929-11-25
Abstract: 343,195. Louvre ventilators. SANDS, P. H., 219, High Street, Cowdenbeath, Fifeshire. Nov. 25, 1929, No. 35988. [Class 137.] In a louvre ventilator for vehicles, ships, aircraft and the like, vertical louvre slats 2, preferably corrugated vertically and having upper and lower edges downwardly inclined from back to front, or, alternatively having the lower edges inclined and the upper edges horizontal, are pivoted at the front about a vertical axis to plates 5, 6 extending across the top and bottom edges respectively of all the slats. Said plates are pivoted at their edges to the frame 1 of the ventilator and by means of springs 7, 8 are pressed on to the slats to form a weathertight joint. The slats are connected for simultaneous operation by a rod 9 and may be retained in a predetermined position by slight indentations in the plates 5, 6 An adjustable cover 11 directs incoming air towards the roof of the vehicle. A filter or purifying device may be combined with the ventilator.
Patent GB-945946-A (GB)
Title: Improvements in or relating to photographic camera lens hoods
IPC: G03B17/12
Filed: 1960-10-20
Abstract: 945,946. Lens hoods for twin-lens cameras. FRANKE & HEIDECKE G.m.b.H., [trading as ROLLEI-WERKE FRANKE & HEIDECKE]. Oct. 20, 1960 [Dec. 11, 1959], No. 35993/60. Heading G2A. In order to remove restrictions on the dimensions of lens hoods for twin-lens cameras and further to obtain identical screening of both objectives, a lens hood 9 for such cameras includes a semi-transparent mirror 10 and a fully reflecting mirror 11 arranged to direct some of the light entering through opening 17 positioned in front of exposure objective 2 into the view finder objective 3. The opening 17 may be constructed as a window (Fig. 2, not shown). The hood is mounted by means of bayonet connections 7, 8 surrounding the two objectives. A negative lens 12 is provided to compensate for the increased optical path length to the view finder objective. Alternatively if supplementary lenses are already in use for close-up photography, the power of the supplementary lens in front of the view finder objective may be reduced for providing the above compensation. The hood in this case will be .mounted on the supplementary lens mount (Fig. 2, not shown).
Patent GB-1524235-A (GB)
Title: Method for separating and recovering plastics-containing wastes
IPC: B03B9/00
Filed: 1975-09-02
Abstract: 1524235 Centrifugal separation; wet separation of plastics from waste DAICEL Ltd 2 Sept 1975 [3 Sept 1974 18 Oct 1974] 36034/75 Headings B2H and B2P In a method of separating and recovering plastics from plastics-containing waste, the waste is crushed and dispersed in a non- solvent liquid to form a slurry which is pumped into a hydrocyclone under pressure whereby the waste is separated into heavyweight and lightweight components which are recovered from the hydrocyclone as underflow and overflow respectively. The waste may consist of two types of resin particles of different specific gravities or may be a mixture of plastics, metals, glass, wood pieces and paper, or again it may be obtained by crushing worn batteries, PVC-coated electric wire or plastics vessels with aluminium foil-sealed mouth. The separation may be effected in one or more hydrocyclones. In the plant shown in Fig. 1, plasticscontaining waste material from a hopper 1 is fed by a tubular metering feeder 2 into a crusher 3. The crushed material is fed by a blower 4 and another feeder 5 into a slurry-forming tank 6. The slurry is fed by a pump 7 into a first cyclone 8, the overflow of which is further purified in a second cyclone 9. The underflows from cyclones 8 and 9 are combined and supplied to a first vibrating screen type thickener 10 from which the filter cake is recovered as heavyweight material. The overflow from cyclone 9 passes through a second thickener 11 and the filtrates from both thickeners are recycled to the slurry-forming tank 6. The filter cake from thickener 11 is fed by a metering feeder 12 to a slurry feed tank 13 from which the slurry is pumped to a third hydrocyclone 15. The overflow from the latter is fed into a fourth hydrocyclone 16, the overflow of which passes into a thickener 19 and a first centrifugal separator 20. The underflow from hydrocyclone 15 is fed by a booster pump 18 and an injector 18' into a fifth hydrocyclone 17, the underflow of which is thickened at 21 and fed to a second centrifugal separator 22 from which the plastics is recovered. The underflow from hydrocyclone 16 and the overflow from hydrocyclone 17 are combined, filtered at a thickener 23 and recycled to feeder 12. The filtrates from 19 to 23 are recycled to the spare tank 13' connected to the feed tank 13.
Patent GB-323619-A (GB)
Title: Improvements relating to taps or cocks
IPC: F16K3/26
Filed: 1928-12-08
Abstract: 323,619. Best & Lloyd, Ltd., and Dyke, C. H. Dec. 8, 1928. Right to Patent relinquished. Piston valves; materials, special. - A petrol or like tap or cock comprises an axially slidable stem c with finger grips e at each end and an annular groove or passage d at about the centre, operating in a hollow cylindrical or like body part a with a cork lining b compressed by a screw-plug f.
Patent GB-433415-A (GB)
Title: Improvements in or relating to receiver fastenings for presses for the extrusion of metallic rods or tubes
IPC: B27K3/34
Filed: 1934-12-18
Abstract: 433,415. Squirting. SCHLOEMANN AKT.- GES., 13, Steinstrasse, Dusseldorf, Germany. Dec. 18, 1934, No. 36326. Convention date, Dec. 18, 1933. [Class 83 (iv)] The holder 4 for the billet container 2 of an extrusion press comprising a built-in heating unit 5, is retained by screwed rods 6 oscillating about pivots 7, and entering between the arms of slotted lugs 9, nuts 8 bearing against the lugs.
Patent GB-619419-A (GB)
Title: Improvements in domestic fenders or curbs
IPC: F24B1/198
Filed: 1946-12-09
Abstract: 619,419. Hearth fenders. ACTON, J. A. Dec. 9, 1946, Nos. 36329/46 and 28877/47. [Class 126] A fender or curb incorporates one or more containers adapted to house an electric fire and/or movable elements such as fire-irons, the containers each comprising two parts, a fixed semi-cylindrical holder 4b and a semi-cylindrical cover 4a pivoted at each end on tubular members 3a which form part of the front of the fender. Whena space-heater is housed, an electric circuit may be arranged so that it is closed only when the cover 4a is in open position. Reference has been directed by the Comptroller to Specification 609,350.
Patent GB-1305294-A (GB)
IPC: F01C1/10
Filed: 1970-07-28
Abstract: 1305294 Gearing W H NICHOLS CO 28 July 1970 [12 Nov 1969] 36450/70 Heading B3K [Also in Division F1] To machine the outer gear member of an internal gear set a blank ring is mounted on the bed of a Fellows gear shaper (represented by the housing 36, Fig. 2, of the gear set), rotated about an axis 60 and a circular metal cutting tool having an axis c of diameter equal to the diameter of a tooth roller 70 of the inner gear member 54 is secured eccentrically on a spindle having a fixed axis s so that the eccentricity is equivalent to the eccentricity between the axis 60 and axis 58 of the inner gear member of the finished gear set. The spindle moves in axial strokes characteristic of gear shapers. During the operation the axis c rotates at constant speed around the axis s and the blank at a synchronized constant speed about axis 60 in the same sense or direction so that one more tooth is cut on the outer member than the number of roller teeth on the inner member.
Patent GB-329337-A (GB)
Title: Improved protective switching device for parallel connected generators
IPC: H02H7/06
Filed: 1928-12-11
Abstract: 329,337. Groeneveld, G. Dec. 11, 1928. Running generators in parallel. - In a supply system wherein two or more generators A, B, C, in parallel, supply load groups G, F, E, D of varied importance for example, on board ship where D might be the load of the steering motors and G the kitchen load, the less important load groups are disconnected by means of overload relays 2 which are independent of the overload and reverse current tripping arrangements on the main circuit breakers 1. In the arrangement shown, three relays control contacts 3 all in series through which the hold-on coils 4 of the load group switches are energized from the bus-bar 5. If generator A becomes heavily overloaded the relay 2 operates (before the circuit-breaker 1) and de-energizes the holding coil of the switch 4 of load group G. It does not de-energize the switches of groups F and E because independent maintaining circuits controlled by relays 6 in the main bus-bar circuit are established for the holding coils of these through back contacts 8 of these group switches. When, however, the group G is cut out the relay 6 for group F opens and if another generator fails group F is cut out and so on. Group D is not provided with cut-out means.
Patent GB-431268-A (GB)
Title: Improvements in or relating to absorption refrigerating apparatus
IPC: F25B17/00
Filed: 1933-12-29
Abstract: 431,268. Refrigerating. ELECTROLUX, Ltd., 153, Regent Street, London.-(Assignees of Platen-Munters Refrigerating System Aktiebolag; 2, Norrmalmstorg, Stockholm) Dec. 29, 1933, No. 36592. Convention date, Jan. 5. Drawings to Specification. [Class 29] Absorption systems.-In an intermittent system in which liquor circulates during the generating period between a heated generator of small capacity and an unheated storage vessel, a rapid reduction of pressure and of evaporator temperature is effected at the end of the generating period by utilizing for absorption of vapour amounts of liquid collected in cooled analyzer and rectifier elements of the system. The invention is described in connection with the system set forth in Specification 431,266. Specifications 431,267 and 431,316 also are referred to.
Patent GB-861062-A (GB)
Title: Improvements in or relating to the manufacture of embossed sheet material
IPC: B44C3/08
Filed: 1957-11-25
Abstract: 861,062. Cutting-apparatus; laminating. HORNSCHUCH A.G., R. Nov. 25, 1957 [Aug. 2, 1957], No. 36655/57. Classes 31 (1) and 140. [Also in Groups V and XVI] A method of manufacturing embossed composite sheets of plastic material comprising a base sheet with contrasting panels applied thereto, the embossing of the applied panels differing from that of the uncovered base sheet, includes the steps of heating the base sheet, cutting the panels from a second sheet of plastic material, feeding them on to and attaching them to the base sheet, reheating the base sheet with panels attached and simultaneously embossing and bonding the base sheet and the applied panels, the panels being embossed with a different configuration from the uncovered base sheet. A web 1 of thermoplastic base material is fed over a heated drum 2 and between pressure rollers 4, 10. The roller 4 consists of a hollow, perforated, rubber-covered cylinder and is rotatably mounted on a fixed hollow perforated shaft 15 which is in communication with a source of suction. A fixed internal partition 6<SP>1</SP> is mounted within the cylinder so that suction is only applied to a chamber 6 therein. A web 7 of extremely thin plastic material is fed to the roller 4 and held in contact therewith by rollers 3, 8. A cutting roller 5 having cutting edges arranged to cut out square panels contacts the web 7 as the latter is held against the roller 4 and cuts out panels 16 therefrom which panels are held in contact with the roller 4 until deposited on the web 1, by the suction in the chamber 6 acting through the perforations in the roller 4. The panels 16 are pressed against the heated web 1 and secured thereto by passage between the rollers 4, 10. The waste 9 of the web 7 is led away to a take-up spool. After passing between the nip of the rollers 4, 10 the web 1 with the panels 16 thereon is re-heated by an infra-red heater 12 and then fed between embossing and impression cylinders 13, 14, the embossing cylinder being so patterned as to emboss a different pattern on the panels 16 from that on the uncovered parts of the web 1. In the course of the embossing operation the panels are securely bonded to the base.
Patent GB-1076298-A (GB)
Title: Method of making helical piston rings for internal combustion engines
Inventor: CROSS ROLAND CLAUDE
IPC: B21D53/16
Filed: 1965-08-26
Abstract: 1,076,298. Coiling; rolling. CROSS MANUFACTURING CO. (1938) Ltd. April 26, 1966 [Aug. 26, 1965], No. 36670/65. Headings B3E and B3M. A method of making multi-coil helical piston rings in which the radial thickness of the ring increases progressively from one end to the other wherein the ring is made from wire wound in the peripheral helical groove of a mandrel and formed into the section of the groove by means of a presser roll contacting the mandrel, the said peripheral helical groove varying in depth progressively from end to end of the groove, the depth of the groove at one end being greatest and at the other end least. A machine of the type disclosed in Specification 847,580 is used with the mandrel constructed in either of the two following ways. Either a conical body may be formed with a peripheral helical groove and then ground to a cylindrical conformation sufficiently to leave a peripheral groove thereon which varies in depth from end to end, or a cylindrical body may be formed with a helical peripheral groove and then ground to a conical conformation sufficiently to leave a peripheral groove thereon which varies in depth from end to end.
Patent GB-1474400-A (GB)
Title: Interference-suppressing chokes
IPC: H01F5/00
Filed: 1974-08-21
Abstract: 1474400 Inductors SIEMENS AG 21 Aug 1974 [28 Aug 1973] 36675/74 Heading HIT An interference suppressor choke comprises a toroidal core of compacted synthetic plastics material and magnetic powder 1 carrying one or more windings 5 wherein the core also comprises a closed electrically conductive ring 2 of magnetic material such as deep drawn metal. In alternative embodiments closed rings 3 faced with insulation 4 of synthetic plastics or paper, may be placed or pressed on to the surfaces of the core 1, or the core may be coated with a soft iron layer 0À1-0À6 mm thick by means of the Schoop metal spraying process. The trapezoidal shape of the core offsets the increased number of winding layers at the inner circumference to provide a coil of substantially rectangular cross-section.
Patent GB-952774-A (GB)
Title: Gas turbine engine
Inventor: OLDFIELD THOMAS ALFRED
IPC: F01D25/16
Filed: 1961-10-12
Abstract: 952,774. Gas turbine plant. ROLLSROYCE Ltd. Oct. 5, 1962 [Oct. 12, 1961], No. 36731/61. Headings F1G and F1T. In a gas turbine engine comprising a casing containing in flow series a compressor, an annular combustion chamber and a turbine, the turbine has stator blades which are resiliently connected to the casing and support a bearing by which the turbine is rotatably mounted. A gas turbine by-pass iet propulsion engine 10 for forward propulsion of an aircraft has high and low pressure turbine and compressor stages, the low pressure compressor supplying the bypass. Stator blades 23, which are arranged between the high pressure turbine 17 and the low pressure turbine 18 (Fig. 1, not shown), are each provided with a hairpin connection 24 splined to an inner casing 13 defining the inner wall of an annular by-pass 14 (Fig. 1, not shown). The hairpin connections 24 provide radial resilience and thereby permit a thrust bearing 22, supported by blades 23 through a structure 25, to withstand radial loads. An arrangement in which the bearing 22 is instead supported by struts passing between flame tubes angularly spaced around the combustion chamber is referred to.