baber/WOPTO huggingface dataset:
Patent GB-666432-A (GB)
Title: Improvements relating to circular indicating instruments
IPC: G01D11/26
Filed: 1949-05-23
Abstract: 666,432. Indicating-apparatus. FERRANTI, Ltd., and DEAN, J. May 23, 1950 [May 23, 1949], No. 13649/49. Class 106 (iv). [Also in Group XX] A circular indicating instrument adapted to indicate over the full or nearly full 360 degree range the angular position of a rotatable member thereof relative to the frame of the instrument, the rotatable member having a part carrying indications, is provided with a supporting structure for the front bearing of the rotatable member which comprises a transparent cover disposed in front of the indications which can be read therethrough in all angular positions of the rotatable member and radially resilient means for supporting the transparent cover by the frame of the instrument and means for supporting the bearing by the cover. The outer gimbal 10 of an artificial horizon instrument of the gyroscope type has dial-plate 13 with a circular scale of indications engraved thereon co-operating with an index engraved on the inner surface of a circular plate-glass cover 14 to indicate the angular displacement of the gimbal 10 relative to the frame 12, i.e. the angle of roll since the axis 11 of the gimbal 10 is orientated fore-and-aft of the aircraft. A further scale on the dial-plate 13 co-operates with a pointer 15 carried by an arm pivoted to the gimbal 10 and actuated by the inner gimbal to indicate the angle of dive or climb of the aircraft. The front bearing 17 of the gimbal 10 is supported by the cover 14 by means of a spindle 22 which is a screw-fit in a central aperture in the cover 14 which is itself supported by the frame 12 through radially resilient means comprising a metal ring 18 suitably shaped and retained by a flange 21 of the frame 12. The metals of the ring and frame have suitable relative coefficients of expansion and are heated to cause sufficient expansion when assembling the parts. The front bearing may be mounted directly in the cover, a spindle extending therefrom to the gimbal.
Patent GB-906498-A (GB)
Title: Improvements in or relating to gas detection or analysis by mass spectrometry
Inventor: BLOOM MARTIN S
IPC: H01J49/38
Filed: 1960-04-19
Abstract: 906,498. Mass spectrometers. IMPERIAL CHEMICAL INDUSTRIES Ltd. April 4, 1961 [April 19, 1960], No. 13680/60. Class 39 (1). A cyclotron resonance mass spectrometer or " omegatron " having a rectangular ionization and mass selection zone bounded by metal surfaces 6 has the following dimensions: length, in the direction of the R.F. field E, between 17 and 36 mm.; thickness, in the direction of the applied magnetic field B, between 8 and 15 mm.; width, at right-angles to both E and B, at least as great as the length. Also the collector electrode 12 is spaced between 1 and 3 mm. from the earthed R.F. electrode 9 and the maximum orbit diameter available for a resonant ion is between 15 and 30 mm. Particularly suitable dimensions are given. The leads to the R.F. plate 11 and to the ion collector 12 are screened by earthed conductors. The omegatron may be of the type having guard rings subdividing the R.F. field so as to secure a uniform field. Specification 906,499 is referred to.
Patent GB-116007-A (GB)
Title: Improvements in and relating to Chimney and Ventilating Shaft Tops.
Inventor: NOBLE WILLIAM
IPC: F23L17/10
Filed: 1917-09-24
Abstract: 116,007. Noble, W. Sept. 24, 1917. Chimney &c. tops.-Two fans h, j are mounted on a vertical spindle in a frame e which is adapted to slide vertically within a chimney-pot or shaft top, the fan h being driven by air entering openings in the sides of the pot, and the fan j causing an up-draught. The entering air is preferably guided by fixed vanes d tangentially arranged. The frame has one or more rings which, when it is lifted by the sweep's brush, scrape off soot deposited within the pot. The upper bearing of the fan spindle comprises a spring-pressed plunger.
Patent GB-567696-A (GB)
Title: Electric welding
IPC: B23K37/02
Filed: 1943-08-23
Abstract: 567,696. Uniting by fusion. JOHNSON, B. F. J., and POWER'S & DEANE, RANSOME'S, Ltd. Aug. 23, 1943, No. 13740. [Class 83 (iv)] An electric welding apparatus comprising. a frame with front and rear wheels, has an electrode-carrying carriage movable up and down the frame and means for causing the frame to move longitudinally as the carriage descends. The electrode 9 is fixed in a holder in a weighted carriage, 14 provided with rollers so that it moves down in guides in a frame 1 as the electrode melts during welding. The frame is provided with a front wheel 3 and with a pair of rear wheels 2, one of which is keyed to a spindle 8 carrying a sprocket-wheel 7 over which passes a chain 5 connected to the carriage 14 so that the frame 1 is traversed by the carriage during welding. The chain is connected to the spindle by a ratchet so that the carriage may be raised without moving the frame. The electrode holder is transversely adjustable in the carriage 14 and the electrode passes between transversely adjustable guides 10. The front wheel 3 is transversely adjustable and may also be capable of swivelling to follow a curved contour.
Patent GB-248603-A (GB)
Title: Improvements in and relating to bottles
IPC: B65D51/28
Filed: 1925-05-26
Abstract: 248,603. Marks, E. C. R., (Kahlbaum, Chemische Fabrik Ges., C. A. F.). May 26, 1925. Compound bottles. - A device for producing a solution without the admission of air comprises a bottle 1 containing the solvent, an internal container 3 for the solid to be dissolved, and a rubber or like closure 2 which closes both the bottle and the container and suspends the container in the neck of the bottle, the closure being adapted, without removal from the bottle, to free the container and permit the solution to take place. As shown, the container 3 comprises a glass tube which projects through the neck of the bottle 1 and is released by downward pressure on the closure 2.
Patent GB-642731-A (GB)
Title: Improvements in and relating to volume controlling electron discharge amplifiers
IPC: H03G7/04
Filed: 1947-05-22
Abstract: 642,731. Automatic volume control. BRITISH THOMSON-HOUSTON CO., Ltd. May 22, 1947, No. 13780. Convention date, May 23, 1946. [Class 40 (iv)] [Also in Group XL (c)] An impedance Z2, Fig. 1, is connected between anode and control grid in an amplifier and the gain is controlled by variation of a further impedance Z3 in the cathode lead. The Specification gives mathematical expressions for the gain and shows that it may be made zero for chosen values of the impedances Z2, Z3. As applied to a peak-limiting amplifier, Fig. 3, in which push-pull output valves 39, 40 are driven from a push-pull pair 24, 25, each of the valves 24, 25 is provided with an anodegrid impedance 35 and a cathode network comprising resistances 29, 30 together with the anode-cathode path of a valve 31. A fixed amount of feedback is applied to the valves 39, 40 by means of anode-grid resistances 44 and cathode resistances 41. In order to limit the peak output the transformer 49 is provided with a tertiary winding feeding a fast-charging slow-discharging circuit 60 which is described in Specification 642,730, [Group XL (c)]. The output voltage from the network is applied to the grids of the valves 31 thereby varying the anode impedances so as to reduce the gain of the amplifiers 24, 25 ; the threshold above which gain limitation occurs is determined by a delay bias derived from a potentiometer 75. In the arrangement of Fig. 1, complex impedances Z2, Z3 may be used in order to obtain a frequency-selective gain control.
Patent GB-1518006-A (GB)
Title: Frequency-selective signal receiver
IPC: H04Q1/457
Filed: 1976-04-06
Abstract: 1518006 Frequency selective receiver INTERNATIONAL STANDARD ELECTRIC CORP 6 April 1976 [10 April 1975] 13865/76 Heading G4H [Also in Division H4] A frequency-selective signal receiver comprises one or more correlator units A1, ...., H 4  each producing two outputs U, V which are squared SQ and added ADD and then applied to a circuit CC which produces an output only when the adder output exceeds a threshold value S, the input signal X being split into two channels in each correlator unit and multiplied therein with a reference signal and with the signal phase displaced by 90 degrees respectively, then integrated. As described, the receiver recognizes a signal X consisting of one out of four high frequencies f 1 -f 4  and one out of four low frequencies f 5 -f 8 . The receiver comprises eight correlation circuits A-H each receiving a respective frequency as reference signal and each containing four correlator units, e.g. A1-A4, whose operation is time-displaced by a fixed amount. The outputs U, V from A1-H1, then A2-H2, &c., are applied in turn to gates U1-U16 connected to the squaring circuit SQ; U<SP>2</SP>, V<SP>2</SP> are applied via gates U17, U18 and stores ZR1, ZR2 to ADD and CC, and the two outputs (one from A-D and one from E-H) from CC are applied via gates U19-U26 to register R decoder K and register AR to provide a signal A which indicates the received signal frequency combination. The integrators in each correlator unit may be digital counters VRZ, Fig. 5 (not shown).
Patent GB-285294-A (GB)
Title: Improvements in towel and other rollers
IPC: A47K10/40
Filed: 1927-05-24
Abstract: 285,294. Britten, G. C., Irish, J. A., and Ashland Engineers, Ltd. May 24, 1927. Towel rollers.-To prevent its unauthorized removal a towel &c. roller 7 is formed at one end with a hollow journal 10 and at the other end with a movable journal 8 engaging bearings 6, 5 respectively in a support 2, the journal 8 being withdrawn from its bearing 5, to release the roller against the action of a spring 7, by a screwed key 16 passed through the journal 10. The screws &c. 20 securing the support to wall &c. are covered by a plate 22 attached by screws 23, which are only accessible when the roller has been removed to the support. The support 2 may be formed in two separate end parts.
Patent GB-873333-A (GB)
Title: Improved freezer tray-grid assembly
IPC: F25C1/24
Filed: 1960-04-21
Abstract: 873,333. Ice-making. GENERAL MOTORS CORPORATION. April 21, 1960 [May 19, 1959], No. 13987/60. Class 29 In an ice-tray grid having a longitudinal partition 16 interlocked with which are transverse walls 18 normally inclined as shown but movable to the vertical to release the ice-blocks, the walls 18 are coupled together for successive actuation by a longitudinal bar 17 and one is formed with an integral handle 31.
Patent GB-787889-A (GB)
Title: A juice extractor for fruits, vegetables and the like
IPC: A47J19/02
Filed: 1956-05-07
Abstract: 787,889. Fruit &c. grating and extracting juice. FABER, E., and HAHN, L., [trading as MAUZ & PFEIFFER]. May 7, 1956 [May 6, 1955], No. 13999/56. Class 28 (2). Fruit &c. in a hopper 6 is pressed against a rotated grating plate 2 by a hand pusher 7, the gratings accumulating in a rotated bowl-like sieve 3 which throws the juice out into an annular receptacle 1 from which the juice drains out through 9. The residue which collects in the sieve 3 is removed by a hose 14 fixed on the collecting chamber 13 whereby it passes through 15 into an integral stationary collector 13 which can be lifted out and emptied. The collector is located in a depression in the lid 5, the depression having a sloping bottom 11 and a clearance recess 10 so that the collector 13 is placed on the sloping bottom and slid out radially thereon until the wiper of the hose 14 contacts the inside of the sieve 3. The lid 16 of the collector may be used to cover in the depression in the main lid 5 if the collector is not being used. The device may be attached to a suitable motordriven kitchen machine.
Patent GB-1243754-A (GB)
Title: A conveyor and sweeper for clearing pulverulent materials
Inventor: HOFFMANN FRITZ
IPC: B03C3/76
Filed: 1970-03-23
Abstract: 1,243,754. Cleaning surfaces mechanically; toothed gearing. METALLGESELLSCHAFT A.G. 23 March, 1970 [29 April, 1969], No. 14003/70. Headings F2N and F2Q. A surface 1] of an electrostatic precipitator is cleaned by scraper or sweeper blades on a frame 1 fast with a rack 2 which is driven around a fixed track 5 by a pinion 4 so that the blades sweep the surface and are then raised above the surface as the rack rises to the upper run of the track, and are returned and then lowered into contact with the surface for another cycle. The frame may have racks at diagonally opposite corners and be supported at the other corners by counterweights 7, alternatively racks may be provided at each corner, in which case some could engage idle pinions. The debris is swept into a bin 8. The frame may be stepped to clean a stepped surface, or the frame, racks and tracks may be curved to clean a partcylindrical surface.
Patent GB-1237021-A (GB)
Title: A process for continuously controlling the homogenization of a mixture
Inventor: SEVERA ZDENEK
IPC: B01F15/00
Filed: 1969-03-18
Abstract: 1,237,021. Measuring homogeneity of mixtures. SPOFA, UNITED PHARMACEUTICAL WORKS. March 18, 1969, No. 14025/69. Heading G1N. [Also in Divisions A5 and B1] The homogeneity of a mixture is monitored by incorporating therein a magnetized or non- magnetized ferromagnetic material (e.g. ferrite powder) and determining its degree if dispersion by an instrument in the mixing container sensitive to the presence of ferrous material. A single such instrument (e.g. a sensor coil) will generate a signal of variable intensity which becomes constant when the mixture is homogeneous or three such instruments may be sequentially switched into circuit, homogeneity being indicated by a signal of the same intensity from each. The signals may be amplified and used to switch off the mixer motor when homogeneity is reached. The coils may be connected in a tuned circuit to control the frequency of an oscillator.
Patent GB-109978-A (GB)
Title: An Improved Towel Rack.
Inventor: DORHAUER OSWALD ARTHUR EDWARD
IPC: A47K10/12
Filed: 1917-09-28
Abstract: 109,978. Dorhauer, O. A. E. Sept. 5, 1916, [Convention date]. Clothes frames.-Relates to racks for drying and airing towels in which the edges of the towels are gripped by clips carried on arms extending from a back-plate fixed to the wall. The arms 6 are formed with open slots 8 on the underside and pivoted clips 10 rest by gravity against the sides of the slots as shown. The edge of the towel is inserted under the clip, the weight of which holds it in place. The arms 6 are hinged to the back-plate 5 so as to fold against it, and are normally held extended by a locking-bar 11.
Patent GB-168147-A (GB)
Title: Improvements in or relating to grinding machines employed in the manufacture of razors
IPC: B24B3/48
Filed: 1920-05-25
Abstract: 168,147. Bottom, W. H. May 25, 1920. Cutting-edges, shaping and treating; hollow-grinding razor blades. - A razor blade b is travensed endways between two small grinding-wheels c mounted in bearings d and movable under the control of fixed templets a to give the correct section to the blade. The bearings are slidable on brackets k and are pressed outwards by springs f so that rollers h, carried by extensions j of the bearings, contact with the templets, and the brackets k are moved vertically, to carry the rollers across the templets, by screws m.
Patent GB-348376-A (GB)
Title: Method of and apparatus for severing glass articles from a glass ribbon
IPC: C03B9/12
Filed: 1930-05-09
Abstract: 348,376. Glass manufacture. MELHUISH, A. E., 31, Bedford Street, Strand, London.-(Corning Glass Works ; Walnut Street, Corning, New York, U.S.A.) May 9, 1930, No. 14363. [Class 56.] Relates to a method of separating glass articles 63 from a glass ribbon 64 which is supported by an endless carrier 14, as described in Specification 276,606, [Class 56, Glass]. According to the invention, the article is given a sharp blow by a striker 30<1> and is knocked off the ribbon 64 in a direction transverse to the movement of the carrier 14 and falls on to a conveyer belt 17. The striker 30<1> is secured to the end of a rod 30 which is pressed towards the article by a spring. A cam secured to the upper end of a shaft 37 engages a roller carried by the rod 30. The cam is so shaped that rotation of the shaft 37 causes the rod to be drawn inwards and released, so that the spring drives it outwards into contact with the article 63. The shaft is driven by a chain 43 connected through a differential gear 44 to the shaft 15 which is driven by the glassworking machine. The differential gear can be turned in either direction by a worm 61, operated by a handwheel 62, in order that the movement of the striker may be brought into correct relation to the movement of the glass ribbon 64.
Patent GB-528726-A (GB)
Title: Improvements relating to dust extractors and the like
IPC: B01D45/14
Filed: 1939-05-13
Abstract: 528,726. Centrifugal dust extractors. DAVIDSON, T. M. May 13, 1939, No. 14385. [Class 23] A centrifugal dust extractor has a rotor h on a vertical axis working within a casing a of considerably larger diameter than its own, and arranged to extend below the rotor to form a chamber for the circulation of the dust laden gases. The rotor h has radial blades h' upon its upper surface and may have similar blades h<SP>2</SP> upon its lower surface ; it is driven by the motor g carried by the top of the apparatus. The inlet opening a<SP>3</SP> in the top plate a<SP>2</SP> of the separator is surrounded by an annular fitting c covered by a plate d and the space thus enclosed communicates with the inlet fitting e. The clean gas outlet pipe f rises through the lower end of the casing a to a point just below the rotor. The dust-laden gas passes from the inlet e through the opening a<SP>3</SP> and is thrown outwards by the rotor blades to return and enter the pipe f after circulation inside the casing. The rejected dust particles drop through the gap a' at the bottom of the casing to the dust box b provided with a. door b' for removal of dust. A conical cowl f<SP>3</SP> is mounted on the pipe f to prevent eddy currents. A conveyer may be used to carry the dust from the box b. Specification 504,784 is referred to.
Patent GB-948481-A (GB)
Title: Improvements in processes of photographic reproduction
Inventor: KNOTT EDWARD BOWES
IPC: G03C8/24
Filed: 1959-04-28
Abstract: 948,481. Photographic diffusion-transfer procedures. KODAK Ltd. April 28,1960 [April 28, 1959], No. 14444/59. Heading G2C. 5 : 5 Dimethyl-2-thiohydantoin, 3: 5 : 5-trimethyl- 2-thiohydantoin, or similar compounds described only in a general formula (not shown), are used in the receiving layer containing development nuclei or a substance capable of forming nuclei, or in the transfer developer, for this process to produce silver images of increased blackness. An unhardened emulsion layer may overlie such receiving layer and be removed by warm water after exposure and image transfer. Use of antifoggants, developing agents and silver halide solvents in either emulsion or developer and similar variations are indicated.
Patent GB-1019583-A (GB)
Title: Apparatus for use in x-ray micro-analysis
Inventor: DUNCUMB PETER
IPC: G01N23/225
Filed: 1963-08-26
Abstract: 1,019,583. X-ray spectrometer. T.I. (GROUP SERVICES) Ltd. Aug. 26, 1963, No. 14474/65. Divided out of 1,019,581. Heading H5R. [Also in Division H1] An X-ray bent crystal spectrometer of the linear focusing type, i.e. in which the crystal is movable in a straight line towards and away from the specimen, while the centre of the Rowland circle moves in an arcuate path around the specimen, is included within the evacuated envelope of an electron microscope, the crystal and the detector being moved by an interconnecting linkage which, in order to avoid obstruction by the microscope lens system, defines a virtual circle displaced outwards away from the microscope axis with respect to the true Rowland circle. One end of an arm A is pivoted at a fixed point P, displaced by d, say, from the specimen S, the other end being pivoted to arms B and C. The crystal X is mounted on one end of a carriage M of length d, contrained to move along the slide N, the linkage E, F ensuring that the crystal is kept facing the centre of the Rowland circle R. Detector Y is mounted at the end of a member D of length d pivoted to the end of arm C which is arranged to rotate, by gearing at the interconnection of arms A, B and C, at twice the rate of arm B. Member D is maintained parallel to slide N by a belt passing over suitable diameter ratio pulleys C<SP>1</SP> and C<SP>2</SP>, and a further belt and pulley, system D<SP>1</SP>, D<SP>2</SP> keeps the detector Y facing crystal X. Carriage M is movable by a lead screw from outside the microscope envelope; X may consist of two crystals mounted back-to-back, whereby turning them over extends the wavelength range of the analyser.
Patent GB-565333-A (GB)
Title: Improvements relating to high temperature lubrication
Filed: 1941-11-11
Abstract: 565,333. High temperature lubricants. STANDARD OIL DEVELOPMENT CO. Nov. 11, 1941, No. 14508. Convention date, Nov. 22, 1940. [Class 91] Contacting surfaces at high temperatures, above about 400‹ F., are lubricated by a composition comprising a mineral seal oil containing dissolved therein a sufficient proportion of a thickening agent, comprising a linear aliphatic hydrocarbon polymer of molecular weight above 800 which depolymerizes at such temperatures without tar, coke, &c. formation, to form a composition having a viscosity of at least 100 seconds s.s.u. at 100‹ F. The compositions may also contain a small proportion of comminuted mica or colloidal graphite. The thickening agent is preferably a polymer or copolymer of unsaturated hydrocarbons ; the polymers or copolymers specified comprise polyisobutylene, polyisoamylene such as polymerized methyl 2-butene-1, isobutylene-butadiene copolymers and isobutylene-ethylene copolymers. The molecular weight of the polymer may be as high as 150,000, the material ranging from a viscous oil to a plastic solid. The proportion of the polymer used varies with its molecular weight, a larger amount of low molecular weight polymer being equivalent to a smaller amount of high molecular weight polymer ; mixtures of such polymers may be used. Thus, in an example, a mineral seal oil contains 2 per cent by weight of polyisobutylene of molecular weight 150,000 and 10 per cent of a lower polymer of molecular weight 5000. In general, the proportion of polymer ranges from 0.1 to 25 per cent by weight. The mineral seal oil constitutes the major proportion of the compositions and is usually more than 60 per cent by weight. The colloidal graphite is preferably used in the form of a suspension in a light hydrocarbon liquid; the proportion of mica or graphite when added ranges from .05-2.0 per cent by weight based on the total composition. Other usual additives may be incorporated in the compositions, such as an oiliness agent, e.g. a low molecular weight alkyl ester of a fatty acid such as an isopropyl ester of wax oxidation acids or the esters of Specification 402,262. The compositions may be used for lubricating oven conveyer chains, annealing oven cars, &c. Specifications 467,932 and 535,293 also are referred to.
Patent GB-1109954-A (GB)
Title: Electromagnetic reed contact relay with break contacts
IPC: H01H51/28
Filed: 1966-04-01
Abstract: 1,109,954. Reed armature relays. INTERNATIONAL STANDARD ELECTRIC CORPORATION. 1 April, 1966 [3 April, 1965], No. 14527/66. Heading H1N. A polarized relay with sealed magnetic reed contact units 2, 3 has a permanent magnet 4 mounted between the contact units; the magnet or polepieces adjacent thereto being adjustable to vary the bias of the reed contacts to the closed position. Fig. 1 shows polepieces comprising rods 7, 8 in rotatable holding pieces 5, 6. Alternatively, the polepieces may be eccentrics screwed into holding pieces or obliquely-cut rotatable sleeves (Figs. 3 to 6 and 13 to 16, not shown). The permanent magnet may have oblique ends or off-set poles so that rotation of the magnet itself changes the bias (Figs. 7 to 10, not shown).