baber/WOPTO huggingface dataset:
Patent GB-263090-A (GB)
Title: Improvements in or relating to the speed regulation of rotary motors
IPC: H02P29/00
Filed: 1926-08-25
Abstract: 263,090. Lorenz Akt.-Ges., C., (Assignees of Schmidt, K.). Dec. 18, 1925, [Convention date]. Drawings to Specification. Transmitting-mechanism. -To control an electric or other motor for constant speed, a rotary electric contact device of the type which closes a circuit intermittently for periods depending on the speed of rotation is caused to vary the action of an electric braking appliance. The appliance may be an eddy current brake on a variable-load generator. Specification 209,752 is referred to.
Patent GB-211415-A (GB)
Title: Stretching device for saddles for cycles and the like
IPC: B62J1/28
Filed: 1923-08-17
Abstract: 211,415. Starck, A. W. Aug. 17, 1923. Saddles.-In a stretching-device for saddle tops, of the type in which the. peak plate 2 and the cantle plate 3 are connected by a screwthreaded rod 4, the rod 4 passes through two spaced flanges 7<1>, 7<2> on a cross beam 7 formed in one with, or rigidly secured at its ends by bolts &c. 8 to, the cantle plate 3, distortion of the plate 3 and leather top 1 being thus prevented. The tension is adjusted by means of a nut 9 engaging the flange 7<1>, the front end of the rod 4 having a shouldered spigot 5 engaging a corresponding hole in the peak plate 2. The front end of the rod 4 may be screw-threaded and provided with a nut, instead of, or in addition to, the rear end.
Patent GB-570476-A (GB)
Title: Improvements relating to integrating electricity meters
IPC: G01R11/00
Filed: 1943-12-16
Abstract: 570,476. Supply meters. FERRANTI, Ltd., and JACKSON, H. Dec. 16, 1943, No. 21098. [Class 37] In an integrating meter for measuring the square of an electric quantity having a rotor disc and a pair of electromagnet driving elements disposed one on each side of the disc, the windings of the electromagnets are connected either in series or in parallel with one another and a short-circuited conducting loop is associated with one of the electromagnets in such a position as to provide a magnetic field which is lagging in phase behind the main magnetic field due to the electromagnet. An E-shaped electromagnet a is situated above the disc c and carries a winding d on its central limb. Below the disc is a U-shaped magnet b with windings f, g on its limbs. The windings d, f, g are connected in with one another across the supply or in series therewith, or with a known portion thereof, according to whether the meter is used for measuring the square of the voltage or of the current. A heavy copper band l is provided on the tip of the centre limb of the magnet a for producing a magnetic field lagging behind the main field. For measuring the iron losses of a power transformer, the meter is calibrated by adjusting the torque to give a desired rotor speed for the known losses at normal voltage, then any change in the applied voltage produces a change in iron losses and thus varies the speed of the rotor. For the measurement of copper losses the torque is adjusted to give a desired speed for the known losses at full load current. For compensating metering the disc of a voltage-actuated mechanism may be arranged on the same spindle as the disc of a current-actuated mechanism, or a common disc may be employed. A combined registration is given for the iron and copper losses.
Patent GB-653437-A (GB)
Title: Improvements in and relating to electro-magnetic apparatus
IPC: H01F30/10
Filed: 1947-08-01
Abstract: 653,437. Inductances and transformers; electromagnets. LEHMANN, F. Aug. 1, 1947, No. 21109. [A Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 1, 1947.] [Classes 35 and 38 (ii)] Choking coils, transformers, and electromagnets comprise windings of electricallyinsulated ferromagnetic strips carrying both magnetic flux and electric current, which.windings include at least one pair of spiral windings connected electrically at their centres and wound in opposite directions. A transformer may comprise columns as shown in Fig. 2 built of pairs 7 of iron or other ferromagnetic coils wound spirally in opposite directions and connected together at the centre by resilient pins 32. Pairs themselves are connected together by leads 33. Pairs of columns may be magnetically joined at their ends by wound iron yokes, Fig. 17 (not shown). Secondary and other windings formed as pairs of magnetic spirals may be provided or they may be of a conventional character. Where air-gaps are permissible as in choking coils, the pairs of windings 8 are arranged to form a ring, the airgaps being partly or wholly filled with laminated or powdered magnetic material 11, Fig. 3. Where the apparatus comprises superimposed coils, these may be enclosed in a magnetic shell comprising cylindrical pieces 14 with end-plates 15, Fig. 5, or a powdered magnetic material, Fig. 7 (not shown), or the two combined, Fig. 9 (not shown). If in the construction of Fig. 5 end-plates 15 and the winding insulation are both resilient, by moving nuts 17 the distance between the coils can be varied to vary the inductance. The magnetic characteristics of the coils may be improved by making the central turns of thicker, higher permeability iron. Also an additional winding of one to three layers of Cu, Al, Zn or Fe wire in parallel with the coils to carry the magnetizing current may surround the coils. A whole column may be surrounded by such a winding. The iron turns may be insulated by paper wrapped longitudinally with a seam along the outer side of the spirals, or by a layer of oxide or phosphate with or without lacquer. The spirals may be of foils and coated with conducting material.
Patent GB-838418-A (GB)
Title: Improvements in and relating to centrifuges
IPC: B04B9/12
Filed: 1956-07-09
Abstract: 838,418. Centrifugal separators. WESTFALIA SEPARATOR A.G. July 9, 1956 [Sept. 19, 1955], No. 21227/56 Class 23 In a centrifugal separator directly driven by an electric motor 2, the separator shaft 4 rotates within bearings 6, 7 supported by frame partitions 17, 18 and protected by sleeves 8, 12, and drainage outlets 22, 25, 27 from the frame prevent liquid overflowing from the bowl 5 penetrating to the bearings and the motor winding. The shaft carries caps 9, 10 cooperating with the sleeves. A flexible connection 3 is placed between the motor shaft 1 and the shaft 4.
Patent GB-381267-A (GB)
Title: Improvements in cryptographic typewriters
IPC: G09C3/00
Filed: 1931-07-24
Abstract: 381,267. Typewriters. WILKINSON, G. E., Le Clos Fleuri, Cormeilles-en-Parisis, Seine-et-Oise, France. July 24, 1931, No. 21249. Convention date, July 30, 1930. [Class 100 (iv).] Type-wheel machines for coding type-wheels; hammer-impression arrangements.-In a typewriter for use in ciphering, and of the kind provided with two or more shuttles preferably provided with interchangeable types, the hammers co-operating with the shuttles are adjustably supported in the hammer-carriers. The key-levers 2 are pivoted at 3 and on actuation raise a corresponding rod 5 into the path of movement of a member 11 which is rotated about an axis 12 by a lever 9 carried by a shaft 8 also rotated on the depression of a key. The member 11 is thus stopped in a position determined by the particular key depressed. The axis 12 non-rotatably carries supports 14, 23 for shuttles 16, 27 for the types. The supports are of such a height or are so spaced apart by a washer that the distance between corresponding typed lines of clear and ciphered text is equal to double the normal line spacing. The keys are provided with removable caps 21 carrying letters, and the types in the shuttle 27 are changed to correspond with the caps applied to the keys. The shuttles are moved on depression of a key by an extension of the member 11. Actuation of a key also causes a carrier 29 to swing and cause hammers 31, 32 carried thereby to move into printing position. The hammers are held against adjusting screws 34 by springs 35. More than two shuttles can be employed in order that different ciphered texts for different correspondents may be obtained. Ink-ribbon mechanism.-Ink-ribbons, carbon papers, and ribbon shields are so arranged between sheets of paper that a clear text only is printed on one sheet, a ciphered text only on another sheet, and alternate rows of clear and ciphered text on a third sheet.
Patent GB-856604-A (GB)
Title: A method of producing pressings from scrap metal
Inventor: OSWANDEL EDWARD FRANK
IPC: C22C1/04
Filed: 1959-06-22
Abstract: Curled chips of scrap titanium, zirconium or their alloys mixed with at least 40% of titanium, zirconium or their alloys in sponge, powder or granular form, are compressed into a solid compact.  The process is used in the recovery of scrap and its conversion into molten metal for subsequent processing.  The scrap is preferably in sheet form and is cut and bent into curled chips.  Examples are given of the sizes of the chips.  Between 40 and 60% of the chips mixed with the powdered or granular metal and possibly a small quantity of turning or drilling chips, are compacted at between 1000 and 2000 kg/sq. cm. The resulting bar is used as a self-consuming electrode in an electric arc vacuum furnace to produce molten metal.  Examples are given of the bonding strength of the compacts.
Patent GB-612509-A (GB)
Title: Improvements in or relating to method and apparatus for producing crumb rubber from a butadiene-styrene copolymer
IPC: C08C1/14
Filed: 1944-11-01
Abstract: 612,509. Coagulating synthetic rubber. FIRESTONE TIRE & RUBBER CO. Nov. 1, 1944. No. 21352. Convention date, Aug. 7, 1943. [Class 70] [Also in Group II] Dry crumb rubber is obtained by continuously mixing a butadiene-styrene copolymer latex with an aqueous coagulant therefor to form a mixture of coagulum and aqueous liquor, continuously separating the wet coagulum from the bulk of the liquor and continuously subjecting the wet coagulum to the action of a hammer mill disintegrater to produce moist crumbs which are subsequently dried. In a preferred method which provides good washing of the coagulum, latex enters a coagulator 91 through a pipe 31 and coagulent, which may be an aqueous solution of aluminium sulphate, enters through a pipe 32. The coagulum thus formed is drained in a receptacle 92 and then comminuted in a hammer mill disintegrater 93 (see Group II). After washing in a tank 94 the slurry passes to a hopper 99 mounted on the top of an Oliver filter 101. The sheeted coagulum passes via a belt 108 to a disintegrater 111 and thence to an oven.
Patent GB-962651-A (GB)
Title: Electrodes for high-pressure electric discharge lamps and process of manufacturing the same
IPC: H01J61/073
Filed: 1960-06-17
Abstract: 962,651. Electrode materials and processing. PATENT - TREUHAND - GES. FUR ELEKTRISCHE GLUHLAMPEN m.b.H. June 17, 1960 [July 8, 1959], No. 21357/60. Drawings to Specification. Heading H1. A cathode for a high-pressure discharge lamp is composed of a solid rod having a tapered tip portion and consisting of tungsten and a small addition, about 5% by weight, of thorium oxide, the rod comprising interlocking tungsten crystals elongated longitudinally throughout the rod, the length of the crystals being at least several mms. and the width of the crystals being at least several tenths of mms., and a plurality of thorium oxide particles minute compared with the tungsten crystals distributed uniformly throughout the whole volume of the rod and enclosed tightly within the tungsten crystals. The cathode is inserted into a body of sintered tungsten. The electrode can be manufactured by pressing a mixture of tungsten powder and a small amount of thorium oxide powder to slug form, sintering the slug to provide a coherent body, swaging the body to rod form to form elongated fine crystals, dividing the rod into portions, tapering one end of each rod portion and annealing the rod portions in a reducing atmosphere of hydrogennitrogen at 2800‹ C. up to complete re-crystallization and formation of coarse crystals. After the annealing step the rod portions can be swaged and annealed again. The mixture of tungsten and thorium oxide can be made by adding a thorium compound in dissolved form to tungstic acid and subjecting the mixture to a high temperature in a current of dry hydrogen. The electrode can be used in a lamp having an ellipsoidal or drop-shaped envelope filled with xenon.
Patent GB-346240-A (GB)
Title: Improvements in and relating to pressure measuring apparatus
IPC: G01L7/18
Filed: 1930-07-15
Abstract: 346,240. Liquid-level vacuum gauges. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Hardy, C. V. ; 36, Ray Street, and Johnston, P. J. ; 2141, Plaza, both in Schenectady, New York, U.S.A.) July 15, 1930, No. 21439. Convention date, July 18, 1929. [Class 106 (ii).] In a liquid vacuum gauge comprising a plurality of liquid containing tubes terminated by a cylinder i n t o which a plunger is forced to move the liquid. into a pressure reading position, a chamber, communicating with the cylinder, prevents spilling of liquid when the plunger is improperly operated. The envelope containing the rarefied gas is connected to the tube 15, the gas entering the tubes 13, 14, 12, 10, 11 the mercury evel being normally below the junction of the tubes 10, 12 which are connected by tubes 8, 7, 6 to a cylinder or pipe 4 open to the atmosphere and which is fitted with a plunger 18. When the latter is depressed, the column of gas in the tubes 10, 11 is separated from that of the envelope and the pressure may be determined by comparing the heights of the respective liquid columns on a scale 16. To prevent spilling of the mercury over the top of the pipe 4 when the plunger 18 is depressed too quickly or when there is not a substantial vacuum in the envelope a chamber 20 is fitted to the pipe 4 the mercury flowing therein through openings 21, Fig. 4.
Patent GB-1160947-A (GB)
Title: Electro-Optical Device
IPC: H01L27/146
Filed: 1968-05-07
Abstract: 1,160,947. Investigating light patterns photoelectrically. INTERNATIONAL BUSINESS MACHINES CORP. May 7, 1968, No.21555/68. Heading G1A. [Also in Division H1] An electro-optical device for investigating a light pattern comprises a plurality of light sensitive elements scanned in turn by a scanning voltage, means for producing a control signal when an element is scanned and means for producing an output signal whenever an element is scanned and simultaneously irradiated. Photo-diodes 86, 88, 90 are connected between points 54, 56, 58 on a voltage divider 44 and a common signal line 98 through blocking diodes 60, 62, 64. Ramp voltages are applied to ends A and B of divider 44 so that a zero potential point runs along the divider from B to A turning on diodes 64, 62, 60 in turn. As each diode is turned on current flow through a corresponding capacitor 70, 68, 66 and also through the corresponding photo-diode if it is illuminated. The photo-diodes currents are differentiated at 102 and the pulses produced fed to the input of a shift register 84 which is shifted by the differentiated capacitor current. After a scan of the ramp voltages, register 84 indicates the illumination state of all the photo-diodes. An integrated circuit form of the scanner comprises a p-type chip 106 with p regions 110 and n regions 112 forming the photo-diodes, p regions 114 and n regions 116 forming the blocking diodes, the p regions of each pair being connected by a conductor 105. Conductors 78 and 98 running the length of the chip make capacitative coupling with the p region 114 and ohmic contact with the n region 112 respectively.
Patent GB-694968-A (GB)
Title: Improvements relating to bonnets for motor vehicles
Inventor: COOKE ANTHONY ESKRIGG
IPC: E05B65/19
Filed: 1950-09-01
Abstract: 694,968. Hook fastenings: hinges. VAUXHALL MOTORS, Ltd. July 30, 1951 [ Sept. 1, 1950], No. 21564/50. Classes 44 and 65 (ii) [Also in Group XXXI] Each side of a motor vehicle bonnet carries part of a latch mechanism, the other part of which is on a bracket hinged to the vehicle body, one part of the latch mechanism comprising a hook member and the other a pin, the members having relative movement at right angles to the hinge axis for inter-engagement Fig. 2 shows a section through the bonnet, the latching mechanism being released on one side and the bonnet being swung about the other side. Mounted on hinged members 3 are brackets 4 each carrying a pair of hook members 5. Pivotally mounted on the underside of the bonnet 1 are wire loops 6 the parts 7 of which are adapted to engage the hooks 5. The latches are arranged in pairs on each side of the bonnet as shown in Fig. 1, each pair being controlled by a rotatable plate 9 to each end of which is connected a springy wire link 8 joined to the loops 6. Rotation of a plate 9 moves the parts 7 into or out of engagement with the hooks 5 as shown in Fig. 3. Each plate 9 may be rotated by a sleeve 20, Fig. 5, the inner bore of which is square and in which slides a handle 21 hinged to a part 23 fitting in the bore of the sleeve. Fig. 5 shows the handle in the retracted position. The handle is pulled out of the sleeve by means of a head 24 and turned through a right angle for use. If the latches are released on both sides the bonnet may be removed completely. Specification 662,782 is referred to.
Patent GB-1171275-A (GB)
Title: Anchoring Device
Inventor: HESS OWEN BRADLEY
IPC: C23F13/02
Filed: 1968-05-07
Abstract: 1,171,275. Strap fastenings. CAMBRIDGE WIRE CLOTH CO. 7 May, 1968 [29 Sept., 1967], No. 21568/68. Heading E2A. [Also in Division F2] A metal strap fastener for use in anchoring a pipe 12 on an underwater floor 14 of a body of water comprises a woven steel wire strap 26 having a female and male steel fittings at opposite strap ends, a slot 32 in the female part allowing the passage of the male fitting and of the strap therethrough to permit the formation of a clamping hitch about the pipe. Chain link 48 is secured at one end to the male fitting and at the other end to a screw anchor adapted to be embedded in the underwater floor. A zinc or magnesium sacrificial anode 56 is attached to the female fitting by metal bands 62, Fig. 2 (not shown) to inhibit corrosion of the fastener. A non-conductive layer 58, such as coal tar epoxy, may be disposed between the female fitting and anode, said layer aiding securement of the latter to the former. Alternatively, a paint layer on the strap fastener may be used to inhibit corrosion.
Patent GB-1482876-A (GB)
Title: Transfer unit for transferring material between container
IPC: A61J3/00
Filed: 1975-05-20
Abstract: 1482876 Transfer unit ABBOTT LABORATORIES 20 May 1975 [10 June 1974] 21654/75 Heading B8T A transfer unit for transferring material from a first to a second container comprises said first container 56, a closure 57 for closing the opening of said first container, and a transfer member 58 comprising an elongate body 59 having a first channel 60 providing a passageway for material transfer and a second channel 61 for permitting in use air to enter the containers, the angularly extending portion 62 of the air channel 61 being covered by a filter 63. A piercing point 65 is provided on the end 66 of the body 59 while at the opposite end 64 a cutting element 63 is located and comprises a projection 68. Internally, the cutting element 67 is preferably adapted to receive the tip of a syringe (not shown). The portion 71 of the closure 57 is retained, by means of an interference fit in the opening 72 in the container 56. The opening 73 in the closure is sealed by a diaphragm 74 which, during use, is broken by the cutting element 67. The transfer member is retained within the closure by the undercut 75 receiving a ridge 76 on the cutting element 67. The oblong flange 69 of the transfer member is supported by a shoulder 80 of the enlarged portion 77 of the closure 57. Upon turning the transfer member through 90 degrees the flange 69 is aligned with a slot 78 in the closure 57. In another embodiment (Figs. 1 to 8, not shown) the transfer member (14) is retained within the closure (12) by means of a flange (29) co-operating with an undercut (39) in the closure and the closure (12) is retained in the opening of the first container (11) by means of a ridge (34) engaging an undercut (32) on the closure (12). In a further embodiment (Fig. 12; not shown) the transfer member includes an internally threaded or snap fit cap (89). The closure (84) fits internally of the opening of the 1st container and comprises a metal or plastics diaphragm which is punctured upon rotation of the transfer member relative to the first container.
Patent GB-1431804-A (GB)
Title: Tower for the exploration and exploitation of the seabed and to the assembly and erection of such a tower
IPC: E02D23/00
Filed: 1973-05-07
Abstract: 1431804 Offshore structures COMPAGNIE GENERALE D'EQUIPEMENT MARITIME HERSENT 7 May 1973 [8 May 1972] 21717/73 Heading E1H An offshore structure is constructed by assembling a floatable pontoon I and a platform 2 equipped with jacking means 5 and columns 3 comprising sets of columns 3a and 3b for raising the platform relative to the pontoon, anchoring the pontoon in relatively shallow water lowering the columns to the sea bed to support the pontoon and erecting a framework 4 thereon. The columns are then raised, and the platform 2, which now rests on the framework 4 is held firmly thereon by means on the columns 3a engaging the bottom of pontoon 1, whilst the structure is towed to a deep-water site and moored. The columns 3b are released and penetrate the sea bed and the pontoon 1 is ballasted, the structure being lowered by the jacking means engaging columns 3b until the platform 2 reaches sea-level, the columns 3b being raised meanwhile to prevent bending stresses therein. The pontoon 1 and framework 4 are then lowered relative to the platform by means of columns 3a and the corresponding jacking means 5 until the pontoon 1 sits on the sea bed, the platform then being raised above sea level on columns 3. A pile guide is now attached to the columns 3a between the platform and the framework and piles formed from columns 3b are driven through the inclined members of the framweork. The piles are internally reinforced in the region between the platform and the framework. Columns 3a are also driven into the sea bed and secured to the platform.
Patent GB-721400-A (GB)
Title: Improvements in punching machines
Inventor: TAYLOR PAUL H
IPC: B21D28/24
Filed: 1952-08-29
Abstract: 721,400. Liquid springs. WALES-STRIPPIT CORPORATION. Aug. 29,1952, No. 21801/52. Class 108 (3). [Also in Group XXII] A sub-press punching unit comprises a punch 30 with an enlarged head 21 guided in a stripper sleeve 23 having an enlarged upper cylinder 25 forming a reservoir for a liquid adapted to be compressed by the punch head 21 during the working stroke and then to expand to retract the punch and strip it from the work 40. The cylinder 25 is supported by springs 31 on the upper limb of a C-frame 20, with the sleeve 23 depending through a bore 24 of the frame. The lower limb supports a die 22 with a waste outlet 41. Seals 28, 29 prevent leakage of fluid around the punch. In a modification, the head of the punch is a sliding fit within the container 25 to which is connected a replaceable container for the liquid, said container extending along the top of the frame.
Patent GB-686656-A (GB)
Title: Improvements in tube expanders
IPC: B21D39/10
Filed: 1951-09-17
Abstract: 686,656. Tube expanders. BABCOCK & WILCOX, Ltd. Sept. 17, 1951 [Sept. 22, 1950], No. 21802/51. Class 83 (iv). A tube expander comprises a hollow body 10 with recesses in which tapered rollers 18 are retained by a plate 30 and a rotatable thrust member 40 screwed on an expander mandrel 26 with tapered end 28 engaging the rollers. The bore of the end portion 12 of the body 10 is reduced to increase the wall thickness of the body which carries grooves 55 to position a stop 62. Specification 557,330 is referred to.