baber/WOPTO huggingface dataset:
Patent GB-898021-A (GB)
Title: Improvements in or relating to wheel balance testing apparatus
IPC: G01M1/04
Filed: 1958-10-11
Abstract: 898,021. Testing dynamic balance. BOOTH, M. B. Oct. 28, 1959 [Oct. 11, 1958], No. 32538/58. Class 106 (2). An apparatus such as that described in Specification 731,459 is provided with means enabling it to be used for testing dynamic unbalance consisting of a releasable steadying member 40 to engage the wheel carrier 8 and so constrain it for rotation in a horizontal plane. The wheel 3 to be tested is mounted on the carrier 8 which is supported by a ball 4 on the frame 2 of the apparatus. To steady the carrier 8, a bush 40 is raised by use of lever 43, correspondingly tapered parts 41, 42 then engaging with one another. The carrier and wheel are then spun by hand and the bush 40 lowered. Any unbalance will be indicated by a spirit level 12, and a temporary record made by a ball 59 running in an oil-filled groove 64. The steadying member may be provided with balls or rollers to bear against the underside of the carrier 8. Specification 750,987 also is referred to.
Patent GB-790851-A (GB)
Title: Improvements in curtain heading tape
Inventor: LILLEY JOHN RAYMOND
IPC: A47H13/16
Filed: 1954-11-12
Abstract: 790,851. Curtain heading tape. NARROW FABRICS (LILLEYS) Ltd. Aug. 25, 1955 [Nov. 12, 1954], No. 32758/54. Class 142(4) Curtain heading tape having loops at spaced locations along one face, or arranged alternatively along opposite faces, comprises a body part 1 of woven warp and weft thread, and a group of additional warp threads 3a woven in such close side-by-side relationship in the body part only between successive of the spaced loop locations that they form loops by extending on the body part in substantially uninterrupted side-byside contacting manner. The warp threads 3a are of greater thickness than the remaining warp threads 3, and in the body part between the spaced loops warp threads 3b of less thickness than the remaining warp threads are arranged between the threads 3a. The warp threads 3a may be of cellulose acetate or polythene, and the remaining warp threads and the weft threads may be of American cotton. The threads 3a may be knitted tubes, with or without cores, or may be covered wires. Draw cords 5 extending alternately on opposite sides of the tape may be provided. Specification 779,279 is referred to.
Patent GB-390771-A (GB)
Title: Improvements in or relating to the simultaneous starting and parallel operation of two or more rectifiers
IPC: H02M7/15
Filed: 1932-11-19
Abstract: 390,771. Rectifying alternating current. SOC. ANON. HEWITTIC and DEMONTVIGNIER, M., 11, Rue du Pont, Suresnes, Seine, France. Nov. 19, 1932, No. 32769. Convention date, Dec. 23, 1931. [Class 38 (ii).] In an arrangement for the parallel operation of grid-controlled arc rectifiers having chokes in the anode leads, the grid circuits are magneticaly coupled to the anode circuit so that when one or more of the anodes start a positive potential is applied to the control grids of those anodes which have failed to start to ensure their starting. The anodes 2, 3, Fig. 1, are connected to an A.C. circuit 1 through chokes 4, 5 which may be separate or magnetically coupled, and the control grids 9, 10 are fed from the centre tapped secondary of a transformer, the primary 6 of which is.connected between the anodes 2, 3. The centre tapping 7 is connected to a source 8 of control potential. If the anode 2 commences conduction before the anode 3 a potential will be applied to the primary 6-by reason of the drop of potential of the anode 2 with respect to the anode 3 and the secondary is so connected that a. positive potential will be applied to the grid 10 to start conduction of anode 3. In a modification for a rectifying arrangement with three or more anodes the grid transformer has the same number of cores as there are anodes. The primary and secondary windings are star connected and the star point of the secondary is connected to the source 8. In a modification, Fig. 4, the primary windings 32, 33 of the transformer feeding the gripds form the anode chokes.
Patent GB-1040857-A (GB)
Title: Improvements in or relating to heating and/or drying drums
Inventor: GREEN ROWLAND PERCY
IPC: F26B11/02
Filed: 1964-08-12
Abstract: 1,040,857. Heating and/or drying drum. STOTHERT & PITT Ltd. Aug. 6, 1965 [Aug. 12, 1964], No. 32820/64. Headings F4B and F4G. A heating and/or drying drum 2 has roller path rings 1, and drive rings (not shown) mounted in spaced relationship with its outer periphery by circumferentially spaced chair members 3 secured to the drum surface which co-operate with chocks 4 secured to or integral with the inner peripheries of the rings, which chocks are arranged on opposite sides of the chair members. Between the chairs 3 and inner periphery of the ring 1, between the chocks 4 and drum 2, and between the chairs 3 and chocks 4 there is sufficient clearance to accommodate expansion and distortion of the drum.
Patent GB-1442867-A (GB)
Title: Ink mist type printer and a method of testing same
IPC: B41J2/215
Filed: 1974-07-26
Abstract: 1442867 Selective printing OKI ELECTRIC INDUSTRY CO Ltd 26 July 1974 33049/74 Heading B6F An ink mist printer has an electrode 6 producing a corona discharge which is selectively modulated by aperture board 1. The modulated change ionizes ink mist 10 flowing in direction Y so that ionized portions of the mist 10 are attracted by negative electrode and platen 8 on to recording sheet 7. The aperture board comprises conducting layers 4, 5 separated by dielectric 3, the layers 4, 5 being energizable to selectively open or close the apertures 2 to the discharge. Fig. 4 illustrates how the operation of the board is tested. A conductive board 11 is able to detect the modulated discharge and relay this to memory 14. Comparison of a selected aperture pattern with the recording in the memory 14 permits a malfunction of any of the opening/ closing of the apertures 2 to be detected. The board 11 may be selectively movable into/out of the Fig. 4 position by a magnet (31), Fig. 5 (not shown), to permit testing or printing respectively.
Patent GB-606817-A (GB)
Title: Improvements in or relating to moulded plastic radio receiver cabinets
IPC: H04B1/08
Filed: 1945-12-07
Abstract: 606,817. Radio receiving sets. DE LA RUE PLASTICS, Ltd., MIDDLEDITCH, F. E., and HAWKINS, S. R. Dec. 7, 1945, No. 33176. [Class 40 (v)] A plastic radio cabinet comprises a pair of open box-shaped members A, B. The meeting edges A5 are formed to locate each other, the members being held together by bolts S which enter nuts A6 moulded into the part A. The radio chassis RR is provided with support straps locating in grooves formed in the cabinet, to which it is attached by screws A8, B3. Apertures B1 formed in the rear wall allow for ventilation. In a mainsdriven set a safety switch is arranged to break the mains supply circuit when the rear member B is removed.
Patent GB-1432706-A (GB)
Title: Electronic keyboard input circuit
IPC: G06F3/02
Filed: 1973-07-13
Abstract: 1432706 Keyboards HITACHI Ltd 13 July 1973 [21 July 1972] 33478/73 Heading G4H An electronic keyboard input circuit includes a plurality of key switches for passing, when operated, a corresponding plurality of timing pulse trains having different phases from one another, means for time-division-multiplexing the trains, and means for detecting which key switch has been operated, the detecting means output being encoded into binary form, which form is stored in memory means, there being means for preventing further binary coded signals from being stored in the memory means when a binary coded signal has been stored therein as a result of a key having been operated. A set of numeral keys are scanned sequentially (by clock signals), at the same time as a set of function keys, producing a time-significant pulse on one of two lines which are sampled in turn by respective sampling signals to feed a set of AND gates enabled in turn by the key scanning clock signals and one of them also by one of the two sampling signals. One of the AND gates produces an output which is encoded into binary form by OR gates and an AND gate enabled by said one of the two sampling signals. The encoded output is stored in flip-flops providing system output and feeding a NOR gate which provides a further enabling signal to the set of AND gates so that these are disabled after detection of one actuated key thus preventing erroneous output when more than one key is actuated simultaneously (since the keys are scanned in turn). A start pulse generator provides a further enabling input to the AND gates, to limit the output signal duration. The AND gate used in the encoding produces one "type" bit in the encoded output which distinguishes a numeral key from a function key. That one of the set of AND gates preceding the encoding which receives said one of the two sampling signals does so to result in the decimal point function being encoded with the "type" bit having the value used for numerals.
Patent GB-1166834-A (GB)
Title: Improvements in or relating to Electromagnetic Inductors
Inventor: CASHMORE PETER JOHN
IPC: H01F38/10
Filed: 1966-07-26
Abstract: 1,166,834. Reactors. GENERAL ELECTRIC & ENGLISH ELECTRIC COMPANIES. 1 Sept., 1967 [26 July, 1966], No. 33491/66. Heading HIT. An electromagnetic inductor, e.g. a ballast choke for use with a discharge lamp, comprises at least one magnetic shunt strip 8, 9 of ferromagnetic material extending parallel with a side 10 of an inner limb 1 supporting a winding 2 and having one face opposing the said side 10 and having end parts 11, 12, 13, 14 bent towards the limb, which projects as at 3, 4 beyond the winding, so that at each end the shunt strip approaches close to or abuts the said side of the limb adjacent its projecting end a core outer shell comprising, e.g. two L-shaped laminated pieces 6, 7 and a U-shaped piece 5 or two U- shaped pieces being provided to completely enclose the inner limb and winding. The side 10 of the inner limb is a surface formed by the lamination edges. The inner limb may comprise one or more axial stacks of laminations, the stacks being separated by air gaps which may be filled with, e.g. epoxy resin adhesive or non-magnetic packing pieces cemented in position. In a modification (Fig. 4, not shown), some of the surface laminations of the inner limb may be cranked outwardly in addition to the provision of the magnetic shunts described to form end portions (22, 23, 24, 25) which abut or closely approach adjacent core outer shell pieces. The completed inductor, which has lead-in conductors (18) (Figs. 2 and 3, not shown) connected to a terminal block (19) is enclosed in a casing (21) in which it is a tight fit and the coil 2 is held firmly on the limb 1 by a pair of steel wedges (17). The unit may be dipped in varnish when assembly is completed. Specification 1,166,835 is referred to.
Patent GB-429357-A (GB)
Title: Improvements relating to the projection of light
IPC: F21V13/04
Filed: 1933-11-29
Abstract: 429,357. Lamps with trough-shaped reflectors. EDISON SWAN ELECTRIC CO., Ltd., 123, Queen Victoria Street, London, and WHEAT, H. C., Bloxham, West Drive, Harrow Weald Park, Middlesex. Nov. 29, 1933, No. 33495. [Classes 75 (ii) and 75 (iv)] A linear light source A is combined with a part cylindrical stepped lens BC and a troughshaped reflector adapted to reflect all light issuing from the source which does not fall upon the lens in part direct into the beam and the remainder back through the source. The parts DF, EG of the reflector are parabolic, with focus at A, and the part DHJE is semicylindrical. The arrangement may be such that the lens produces a parallel core and the reflector a diverging exterior beam.
Patent GB-1013403-A (GB)
Title: Improvements in or relating to electron beam generating and deflecting systems
IPC: H01J37/30
Filed: 1962-08-31
Abstract: 1,013,403. Electron beam apparatus. W. C. HERAEUS. Aug. 31, 1962 [Aug. 31, 1961], No. 33553/62. Heading H1D. An electron beam generating and deflecting unit for an electron beam smelting furnace or evaporation plant includes an electromagnetic deflection system arranged forwardly of an evacuable electron beam production chamber and structurally combined therewith to form a unit which can be easily attached to or removed from the working chamber of a smelting furnace or evaporation plant. The deflection system includes a ferromagnetic core 12 formed as a ring surrounding the electron beam path and magnetic pole-pieces 14 arranged at the end of the unit adjacent the working chamber. As shown, the electron beam production chamber contains cathode 4, Wehnelt cylinder 7 and accelerating anode 18. The deflecting polepieces 14 are mounted on the end of a casing 8 which contains the remainder of the deflecting system, and a magnetic focusing coil 9, and through which coolant is passed. The polepieces 14 may be so shaped as to correct or alter the cross-section of the deflected electron beam and may be slightly rotatable for this purpose about the beam axis.
Patent GB-759930-A (GB)
Title: Improvements relating to solid fuel combustion apparatus
Inventor: TINLEY ERNEST LAMBERT
IPC: F23H3/02
Filed: 1953-12-04
Abstract: 759,930. Combustion processes for solid fuel; grates. BIGWOOD & SON, Ltd., J. Nov. 30, 1954 [Dec. 4, 1953], No. 33711/53. Class 51(1). A furnace of the type in which a bank of fuel is ignited at its inclined face onto which air jets are directed is provided with a number of parallel, elongated tubular members spaced apart across the lower part of the combustion chamber so as to form a grate and means for circulating air or cooling liquid through the tubular members. A box-shaped combustion chamber mounted on wheels 29 is provided with a hopper 12 above an opening at the rear of the chamber. The rear and part of the sides and floor of the chamber are lined with refractory material 14 and a wall of fire-brick 15 at the rear of the chamber forms a restricted opening through which fuel passes from the hopper 12 to form a bank with its upper surface at the angle of repose. The fuel is ignited at its upper surface by a starting jet 36, and an air jet 24 is directed on to the upper surface. A double walled tubular outlet 18 for the products of combustion is connected to a boiler or kiln. Double walls 19, 21 are provided at the front, part of the sides and top of the combustion chamber and cooling water is circulated through the double walls from inlet pipes 22, 23. At the bottom of the combustion chamber tubular members 33 are connected to the inner walls of the sides and form a water-cooled grate through which unfused ash passes to the ash space 31. A door is provided at the opposite side of the chamber to the combustion products outlet to allow the removal of clinker. The front wall of the hopper immediately above the combustion chamber is provided with a refractory lining slab 38, and the remainder of the inner surface of the hopper is provided with a lining 39 of refractory cement reinforced by expanded metal. The tubular members of circular crosssection may be replaced by square section members, and the coolant may be air supplied from the same source as the air jet in the combustion chamber.
Patent GB-1393282-A (GB)
Title: Adapter for current distributor rails
IPC: H01R4/58
Filed: 1972-07-19
Abstract: 1393282 Two-part couplings STAFF & SCHWARZ GmbH 19 July 1972 [3 Aug 1971] 33717/72 Heading H2E A connector for use with current distributor rails comprises a hollow rectangular housing 13 of two identical halves detachably held together by screws 21, a plurality of contacts 16 which protrude from the housing but are resiliently retractable into the housing, an earth contact 18, and support lugs 19 also resiliently retractable into the housing. Figs. 1 and 4 show a bridging connector 10 adapted to interconnect the conductors of two rails 12 placed end to end and comprising opposed displacement members 24 held apart against opposite side walls 13a by springs 23 and capable of being moved towards each other along guides 22. Mounted on the members 24 and displaceable therewith are two pairs of contacts 16 extending through openings 26 in the walls 13a-respective contacts of each pair being interconnected by connecting straps 27, the holding lugs 19 and actuating extensions 31 which are engageable by a tool to retract the members 24, contacts 16 and lugs 19 inwardly of the housing. In use, the connector 10 is inserted into the hollow of the rails so that lugs 18a on the earth contacts 18 engage earth conductors 17 with the contacts 16 and lugs 19 initially retracted and then released to bear against conductors 15 and engage securing grooves 12b. A supply feed connector (11, Figs. 2 and 6, not shown) comprises a coupling part (30) at one end adapted to mate with a complementary part connected to a supply and only one pair of contacts (16) at each side wall, the contacts (16) being wired to the terminals of the coupling part (30) and connected with the rail conductors at the end of the rail. In an alternative embodiment (Fig. 7, not shown) the holding lugs (19) are rigidly secured to the housing instead being mounted on the displacement members. A further embodiment (Figs. 8-11, not shown) has a housing comprising an upper and lower part held together by spring hooks (38b) engaging apertures (46), and the contacts (42) sliding in slots (41) in the housing, bent-over retaining ends (42a) of the contacts bearing directly against the springs (43). Holding lugs (47) on the housing engage grooves (53) in the rail to support the connector which is locked in position by a screw (50) passing through the housing and engaging a web (51) of the rail. Beneath the lugs (47) protrudes a spring earthing strip (48). A bevelled portion (34) of the housing ensures correct alignment of the connector in the rail.
Patent GB-362123-A (GB)
Title: Improvements relating to screw down taps or cocks
IPC: F16K27/12
Filed: 1930-11-10
Abstract: 362,123. Screw-down taps or cocks. BOOTH & CO., Ltd., S. and LEE, . H., Cheapside Works, Cheapside, Birmingham. Nov. 10, 1930, No. 33729. [Class 135.] Protecting covers.-In a screw-down tap or cock the body or casing, the operating handle 4, and the dome-like cover 6, which encloses the stuffing-box, are all made of stainless steel, and the other parts of the cock of a .different metal, such as brass. The part of the spindle 5 which projects through the cover 6 is also enclosed by a stainless steel sleeve 4a and remains thus protected in both the open and closed positions. An index disc 9 is carried by the head of a screw 7 by means of a stainless steel cap 8.
Patent GB-619083-A (GB)
Title: Improvements in and relating to anode structures for x-ray generators
IPC: H01J35/08
Filed: 1946-11-13
Abstract: 619,083. Electrodeposition of manganese. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 13, 1946, No. 33730. Convention date, Nov. 13, 1945. [Class 41] [Also in Group XL (a)] The anode 12 of an X-ray tube is manufactured by electroplating a metal, preferably copper, base with manganese in a solution containing manganese sulphate, ammonium sulphate, and sodium sulphite. The constituents of the plating. solution are present in the proportions of 100 gm./litre, 125 gm./litre and 10 gm./litre respectively, the current density is 40-150 amps/sq. ft. and the temperature of the solution is 30 C. The coating 29 is deposited to a depth of 0.002 inch on the front and tapered side surfaces of the target. The plated anode is then removed and the manganese layer ground and polished. Parts of the anode on which a manganese coating is not desired are given a preliminary coating of shellac.
Patent GB-444914-A (GB)
Title: Improvements in or relating to yieldable coupling-devices for use in presses or other machines
IPC: F16C7/04
Filed: 1934-11-24
Abstract: 444,914. Links; breaking - pieces. HUMPHRIS, F., Park House, Park Road, Parkstone, Dorset. Nov. 24, 1934, No. 33808. [Classes 80 (iii) and 80 (iv)] A yieldable link for presses or other machines has two or more resilient elements on or around a spring-guide-rod and two thrust plates thereon, which serve to grip a yieldable element, one or more of the resilient elements and one thrust plate operating to transmit pressure to one shoulder of an enlargement of the spring-guide-rod, and another one or more of the resilient elements and the other thrust plate operating to transmit pressure to another shoulder of the enlargement over which the yieldable element is adapted to slide. The link, which connects two pivot joints g, m, Fig. 2, comprises a spring-guide-rod c with enlargement c<1> one or more springs a bearing on a thrust plate n, one or more springs b bearing on a thrust plate o, and a yieldable element h sliding over the enlargement c<1>, and connected to the joint m. The springs a, b are initially compressed. The enlargement has abutment shoulders c<2>, c<3>, Figs. 5, 6. When an abutment face h<3> of the yieldable element is moved to cause plate n to compress spring a, Fig. 5, to an extent in excess of the normal, the plate n leaves the shoulder c<2> and an abutment face h<4> of the element h leaves the plate o which still maintains contact with shoulder c<3> of the enlargement c<1> and therefore the initial compression given to spring b is not affected. Further, when the face h<4> moves the plate o, Fig. 6, to compress the spring b, the plate leaves the shoulder c<3> and the abutment face h<3> leaves plate n which remains on shoulder c<2> and therefore the initial compression in spring a is not affected. The springs are normally held in compression against the thrust plates by adjustable devices j, q the former being guided within the element h. In a modification the element h consists of a number of columns, and these serve to guide the part corresponding to j. In a further construction, each of the springs a, b is replaced by a number of springs. The coupling g, Fig. 2, may be connected to the rod c through a safety tube e and shear pin d. During normal working no variation occurs of the distance between the axes of the joints g, m. The yieldable element may be provided with a screw-threaded adjusting part h<1> to provide for an increase or decrease in the distance between faces h<3>, h<4> or for taking up wear. Flats on the rod c are provided for holding it during adjustment of the devices j, q.
Patent GB-405435-A (GB)
Title: Improvements in or relating to containers for loading coils
IPC: H02G15/12
Filed: 1932-11-29
Abstract: 405,435. Inductances ; junction boxes. AUTOMATIC ELECTRIC CO., Ltd., Strowger Works, and GRAVES, A. E., 17, Staplands Road, Broadgreen, both in Liverpool. Nov. 29, 1932, No. 33810. [Classes 37 and 38 (i).] A loading-coil container having separate compartments for the coils and joints thereto is provided with a protective cover in two parts for the joint chamber, the two parts being independently secured to the coil chamber. The coil chamber 10 has a flange 11 on which is bolted a cover-plate 12 supporting the jointbox 13 which is cast in halves, the lower half being bolted to the plate 12. An external cast-iron cover 14 is also bolted in halves to the flange 11. The coils are nested in columns within the chamber 10 and their connecting wires are brought into the joint-box through diagonally opposite holes in the plate 12. Metal plates separate the coils in each column. The coil chamber is filled with sealing compound before the top half of the joint-box is bolted in position. A pressure test is effected by introducing compressed air at 20. Clamps may be fitted for facilitating the positioning of the cable ends during erection of the cover parts 14. Filler plugs 21, 22 enable the space between the covers 14 and joint-box 13 to be filled with sealing compound. Eyelet bolts 23 facilitate handling of the container.