baber/WOPTO huggingface dataset:
Patent GB-1486518-A (GB)
Title: Process and equipment for the condensation of steam
IPC: B01D5/00
Filed: 1975-04-08
Abstract: 1486518 Condensing steam LUDWIG TAPROGGE REINIGUNGSANLAGEN FUR ROHREN-WARMEAUSTAUSCHER 8 April 1975 [9 April 1974] 14294/75 Heading BIB A process for the condensation of steam e.g. from power station turbines, wherein cooling water and steam to be condensed are brought into direct contact with one another, and the temperature and pressure of the steam increased by deceleration of the steam flow, the steam and cooling water being passed as continuous flows through at least one condensation channel such that condensation takes place along a saturation line of no-cooled steam table, with simultaneous temperature rise of the water by condensation heat. Thus in Fig. 3, steam from 3 is condensed on water flowing in channels 4, Surface 14 may be roughened to cause turbulence in the water, and floating valve 11 causes extraneous gas to be drawn off through 12.
Patent GB-786662-A (GB)
Title: Improvements in or relating to rotary brushes
IPC: A46B13/00
Filed: 1955-05-18
Abstract: 786,662. Brushes. KREEB, K. and GAISER, K. [trading as KREEB, H.]. Aug. 17, 1956 [May 18, 1955], No. 14343/55. Class 19. The brush material of a rotary polishing brush is constituted at least in part by paper string fibres 4. The fibres 4 are formed by twisting one or more strips of suitable paper which are then impregnated with a drying adhesive, such as an aqueous glue solution, which constitutes a controllable stiffening agent for the fibres.
Patent GB-971127-A (GB)
Title: Improvements in and relating to arc welding
IPC: B23K9/028
Filed: 1962-04-13
Abstract: A welding electrode has the following composition: .0.06%.max. carbon .1.0 -1.4%.manganese .0.025%.max. phosphorus .0.03%.max. sulphur .0.4 -0.6%.silicon .0.05-0.15%.aluminium .0.02-0.12%.zirconium .0.05-0.15%.titanium .balance.iron the total of aluminium, zirconium and titanium being at least 0.15%.
Patent GB-182637-A (GB)
Title: Improvements in or additions to gas and like stoves
IPC: F24C13/00
Filed: 1921-05-24
Abstract: 182,637. Bohar, V. May 24, 1921. Gas cooking-stoves; boilers, arrangement of.- In a gas cooking-stove, a water-heater is arranged in a packed heat-absorbing chamber above the oven and below the hot-plate. Figs. 1 and 2 show one arrangement in which a water heater consisting of header-tubes 5, 5<a> and crosstubes 5b is arranged in a space 2 above the oven packed with wire gauze, metal shavings, or like heat-conducting material. The tubes 5, 5<a> pass through a tank 4 and communicate with it by openings 5<c>, 5d; a supply cistern 6 is connected as shown. Openings 7 allow the oven gases to pass into the chamber 2, in which an auxiliary heating-burner may be arranged. In a modification, the tank 4 is arranged at one side of the stove; Fig. 6 shows an apparatus of this type for adapting to existing stoves, in which the water-heating tube 10 is arranged in a compartment 2a which may be hinged to the tank 4. In small stoves, the tank 4 may be omitted. Fig. 8 shows another form of heater consisting of a shallow vessel 16, the sides of which may be corrugated.
Patent GB-962285-A (GB)
Title: Glass polishing compositions
IPC: C09K3/14
Filed: 1962-04-13
Abstract: A glass polishing composition comprises (a) at least one glass polishing agent in which substantially all the particles have a size less than 5 m , and (b) finely divided basic zirconium sulphate, preferably in an amount of 5-50%, most suitably 10-30%, by weight of the composition, and desirably containing 10-15% chemically combined water.  (a) may be zircon, zirconia, ceria, titania, feldspar, calcined alumina, zirconia and zinc oxide (1 : 1), zircon and zinc oxide (1 : 1) or rouge, and the average particle diameter is preferably 0.5-3 m .  The polish is generally used in the form of a 10% aqueous slurry.
Patent GB-1460669-A (GB)
Title: Process for knitting articles
IPC: D04B9/46
Filed: 1974-04-02
Abstract: 1460669 Knitting BILLI SpA 2 April 1974 [5 April 1973] 14512/74 Heading D1K Tights are knitted by circularly knitting one leg and part of the panty portion, knitting the centre part of the panty portion by reciprocatory knitting over an arc and finishing the pantyportion and knitting the second leg by circular knitting.  As shown in Figure 15, the first leg and part panty portion 411, is conventionally circularly knitted. A final flap 433 is knit along arc 419 before this arc of needles is inactivated. A crutch band 451 is then knit by reciprocation using the arc of needles 413. The second legpanty portion is knit in reverse sequence, but without a terminal flap. In the modification of Figure 2, the panty portion is completed by reciprocatory knit bands and triangles 21, 88 and 35, 45, 70 and 72. In a further modification the triangles to one side of the crutch band may be omitted The top edge of the panty may include a tubular welt.
Patent GB-507447-A (GB)
Title: Method for automatically controlling the frequency of high frequency oscillations
IPC: H03L7/02
Filed: 1938-05-16
Abstract: 507,447. Valve circuits for wireless reception; automatic control systems. VEREINIGTE GLUHLAMPEN UND ELEKTRIZITATS AKT.-GES. May 16, 1938, No. 14539. Convention date, May 15, 1937. [Class 40 (v)] [Also in Group XXXV] The frequency of high-frequency oscillations is stabilized by applying the frequency or one dependent on it to the first grid of a valve having three or more grids, connecting to another grid, screened from the first, an oscillatory circuit tuned to the correct frequency, and using the changes in anode or screen-grid current produced by departures from the correct frequency to influence the frequency-determining circuit of the oscillation generator. Preferably, and particularly for relatively-low frequencies, the two grids are coupled together capacitatively or inductively. As applied to a superheterodyne receiver, Fig. 7, the intermediate frequency I.F. is applied to the first grid 13 of a hexode H and a circuit 15 tuned to the correct intermediate frequency is connected to the third grid 14, the changes in the anode current Ia varying the degree of saturation of a core 17 associated with the tuned circuit 18 of the local oscillator. As applied to a transmitting oscillator, Fig. 8, the frequency generated by valve S is applied to a triode-hexode TH of which the triode produces a frequency giving beats with the main frequency. The beat frequency is applied to the first grid 24 of hexode H and a crystalcontrolled circuit 26 tuned to the correct beat frequency is connected to the third grid 25. Changes in the anode current control an iron core 28 linked to a further core 29 associated with the inductance 20 of the tuned circuit of oscillator valve S.
Patent GB-365458-A (GB)
Title: Needle threading device
IPC: D05B87/00
Filed: 1931-05-16
Abstract: 365,458. Needle-threaders. SIDLER, S., 124, Neugasse, Zurich, Switzerland. May 16, 1931, No. L4550. [Class 112.] A needle-threading device of the kind having a thread passage 5, Figs. 5 and 7, and a guideway 2 for a threading pin 8 which is adapted to be passed across a needle guide bush 1 has a slot 12 extending from the passage 5 into the bush 1 to ensure the return of the thread to the passage 5 on the withdrawal of a threaded needle, a spring 6 holding the thread and preventing its escape from the passage 5. The needle to be threaded is inserted in the guide bush 1 against an adjustable stop 4 and one or more springs bear against the sides and turn the needle into correct position for threading. A knife 13 is mounted at one side of the device to cut the thread. The threading pin 8 is carried by a plunger 7 and is depressed by hand against a spring when it is desired to thread a needle.
Patent GB-653835-A (GB)
Title: Cathode arrangement for television tubes
IPC: H01J29/48
Filed: 1947-06-02
Abstract: 653,835. Cathode-ray tubes. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. June 2, 1947, No. 14600. Convention date, Jan. 28, 1946. [Class 39 (i)] In a television or like cathode-ray pick-up tube in which a charge image is formed by a photo-electric cathode 2, Fig. 1, on a target electrode 4 which is scanned by an electron beam produced directly or indirectly by an electron gun having a cathode 11, an apertured control electrode 10 and an apertured first anode 7 and wherein the photoelectric cathode 2 is in the line of sight of the said apertures, the incandescent cathode 11 of the electron gun is so constructed and arranged that light therefrom cannot reach the photo-electric cathode 2. This is achieved by arranging the emissive surface 12 of the annular indirectly-heated cathode 11 to face away from screen 4 and by providing a reflecting electrode 17 to reflect the electrons but not light from the cathode back along the axis. Alternatively electrode 17 may be replaced by a secondary emissive electrode, Fig. 2 (not shown), so that the impinging primary electrons generate a beam of secondaries in the opposite direction. The gun includes control electrode 10 and anode 7, the front surface 8 of which serves as the first dynode for multiplying the electrons repelled by target 4, the secondaries from dynode 8 being deflected by " persuader " electrode 20 into the other multiplying stages 9. An accelerating screen electrode 16 is interposed between cathode 11 and reflector electrode 17. Photoelectrons from photo-cathode 2 are accelerated by electrode 3 and impinge on glass target 4 associated with collecting screen 5 and a charge image is built up on target 4. Glass target 4 is translucent and is mounted in grounded metal frame 24, and a decelerating electrode 6 is provided in front thereof. A wall coating 19 is also provided. Vertical and horizontal deflecting coils mounted on frame 21 are adjustable axially by rod 21<SP>1</SP>, and auxiliary coil 22 which is rotationally adjustable serves to centre the beam. Focusing coil 23 is also provided. Specification 634,639 is referred to.
Patent GB-938694-A (GB)
Title: Improvements relating to microporous thermoplastic resinous materials
IPC: C08J9/28
Filed: 1960-04-26
Abstract: Microporous material is made by mixing a finely divided thermoplastic resin with a gel-forming solvent therefore, heating the mixture above its gel-point, cooling to form a gel, and removing solvent therefrom by diffusion treatment with a liquid miscible with the solvent but a non-solvent for the resin. Suitable resins mentioned are polyethylene, and poly-vinyl chloride.  Suitable solvents are xylene, benzene, toluene or tetrahydronaphthalene for polyethylene; and tetrahydrofurfuryl alcohol for PVC.  Before the heated mixture is cooled to form a gel, it may be cast on a roll to form a film, in a mould to form a sheet or on a fabric to form a film within and around the fibres of the fabric.  In the example, 35 parts by volume of polyethylene were heated at 140 DEG C. with 65 parts of xylene.  The mixture was then cooled to room temperature and the gel sliced to form sheets of about 0,015 inch thickness.  These were immersed in ethyl alcohol to remove the xylene and then in water to remove ethyl alcohol.  If the microporous products are for use in liquid environment, e.g. in storage batteries, they should be kept wet. They may however be impregnated with a wetting agent, e.g. triethanolamine or a polyether alcohol, to facilitate re-wetting after being dried.  For use as an inner lining in raincoats the sheets may be impregnated with silicones or silanes to increase water repellency.ALSO:Microporous material is made by mixing a finely divided thermoplastic resin with a gelforming solvent therefor, heating the mixture above its gel-point, cooling to form a gel, and removing solvent therefrom by diffusion treatment with a liquid miscible with the solvent but a non-solvent for the resin. Suitable resins mentioned are polyethylene, and polyvinyl chloride.  Suitable solvents are xylene, benzene, toluene or tetrahydronaphthalene for polyethylene; and tetrahydrofurfuryl alcohol for PVC.  Before the heated mixture is cooled to form a gel, it may be cast on a roll to form a film, in a mould to form a sheet or on a fabric to form a film within and around the fibres of the fabric.  In the example, 35 parts by volume of polyethylene were heated at 140 DEG C. with 65 parts of xylene.  The mixture was then cooled to room temperature and the gel sliced to form sheets of about 0,015 inch thickness.  Then were immersed in ethyl alcohol to remove the xylene and then in water to remove ethyl alcohol.  If the microporous products are for use in liqud environment, e.g. in storage batteries they should be kept wet. They may however be impregnated with a wetting agent, e.g. triethanolamine or a polyether alcohol to facilitate re-wetting after being dried.  For use as an inner lining in raincoats the sheets may be impregnated with silicones or silanes to increase water repellency.
Patent GB-885300-A (GB)
Title: Improvements relating to hinges and their manufacture
Inventor: TENCH HAROLD
IPC: E05D9/00
Filed: 1959-04-30
Abstract: 885,300. Moulding hinges. HARPURHEY PRECISION ENGINEERS Ltd. July 29, 1960 [April 30, 1959], No. 14692/59. Class 87(2). [Also in Group XXV] A mould for a butt hinge (see Group XXV) comprises upper and lower parts 6, 7 with cavities 8, 9 for shaping the butt 1, 2, a central part in which the lugs 3 are formed and projections 10 to form screw holes 5. Stainless-steel wafer members 12, 14 separate the lugs 3 and the pivot pin is held in the semi-circular grooves 13, 15. The pivot pin may be held in place by being magnetised, by having an anular groove engaged by a pair of members 12, 14 with smaller grooves 13, 15, or by having its ends slightly narrower and the end members 12, 14 engaging the two steps so formed.
Patent GB-418808-A (GB)
Title: Improvements in or relating to the casting of metals
IPC: B22D13/02
Filed: 1933-06-09
Abstract: 418,808. Casting-machines. WILLIAMS, G., Russell House, Stennels Avenue, Quinton, Birmingham. June 9, 1933, No. 14744/34. Divided out of 418,761. [Class 83 (i).] Castings, extracting ; moulds.-The end of a centrifugal casting mould is partially closed by a ring which is axially movable relative to the mould and which may be swung out of alignment with the end of the mould. The mould 1 is bolted to arms 3 projecting from a rotatable face-plate 4. Flanges 5 assist in cooling the mould during rotation. The end of the mould is partly closed during casting by a ring 53 in a housing 6 which is secured to rods 7 connected through brackets 8 and rods 9 to members 10 mounted on pivots 11. Bosses 12 carrying the pins 11 are supported through leaf springs 13, a yoke 54 preventing the springs from operating when the ring is being moved away from the end of the mould. The plate 53 is moved axially towards or from the mould by movement of a shaft 24 and swings downwardly about the pivots 11 when away from the mould. Lever mechanism controlled by a pedal may raise the ring into alignment with the mould before it is moved thereagainst, and guides are provided to secure registration. The shaft 24 and a central shaft 20 on which an ejector 19 is mounted are moved axially by hand-wheels or capstans in screw-threaded engagement with members controlling the shafts, the hand of the threads being such that the inertia of the mould assists the release of the end plate when braking and tends to tighten the plate during casting. The weight of the pivoted assembly may be counterbalanced by springs. Expansion of the mould is compensated for by a spring permitting relative axial movement of the shaft 20 and its bearing with respect to a surrounding sleeve. The ring and ejector may be controlled by a rack and pinion or other mechanism. The end ring may be swung upwards or sideways instead of being allowed to fall under gravity. The collar 14 may, after moving the end ring, also operate pivoted bell-crank levers as in Specification 418,761 to control the parts of a divided mould. A sheet metal guard of horseshoe outline and channel section may be mounted on longitudinal bars movable on rollers to or from the mould.
Patent GB-1342111-A (GB)
Title: Stator coil supporting structures for use in electric motors
IPC: H02K1/14
Filed: 1971-05-13
Abstract: 1342111 Coil assemblies for electric motors GOULD Inc 13 May 1971 [13 May 1970] 14853/71 Heading H2A A coil assembly (Figs. 4, 6) for a two-pole electric motor stator (Fig. 1) comprises two bobbins 20 each carrying a coil, and a bridging strip 21 which joins together one flange of each bobbin and which supports a wire 36 (see enlargement in Fig. 6) connecting the two coils together. The two bobbins are generally arcuate (Fig. 5, not shown) and are formed integrally with the bridging strip 21 from nylon. In use, the coil assembly is bent along the lines of grooves 25 into a U-shape so that each bobbin can be slipped over one pole of the stator. The bridging strip 21 includes two tubular portions 26 for supporting leads 40 to be connected to the coil ends 37, 38, such connections being formed by soldering the coil end and an eyelet around the bared end of the lead 40 and then drawing the coil ends and eyelet into the tubular portion while the solder is still warm. A protecting flap 31 of the bridging piece folds (30) over the connections. The laminated stator core, Fig. 1, with which the coil assembly is used is formed by an annular yoke 12 and an inner member 13 comprising two poles 15 joined together by arcuate portions 13a, 13b having local restrictions 15a. Strips of copper 14 disposed in slots and whose ends are bent over and welded to the core constitute shading coils.
Patent GB-1377448-A (GB)
Title: Priority acess circuit device
IPC: G06F9/48
Filed: 1973-03-28
Abstract: 1377448 Interrogation devices PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 28 March 1973 [31 March 1972] 14867/73 Heading G4A A number of request lines RO<SP>1</SP>-R3<SP>1</SP> (Fig. 1) are successively interrogated under the control of a clock K, a delay DL preventing the generation of a low output signal from an associated output gate N20-N23 until after a predetermined time interval. In the embodiment of Fig. 1, NAND gates N0-N3 are successively primed by alternating clock pulses K1, K2 from the clock K and the outputs A, A<SP>1</SP>, B, B<SP>1</SP> of a counter FA, FB, the counter being stepped on in the absence of a request signal by the outputs from the gate N0- N3. When a request signal is received NAND gate N19 triggers delay DL so that after the predetermined time interval gates N20-N23 are primed. The counter continues to step until the signal on the request line holds the associated gate N0-N3 at its "1" level to stop the count. With signals C0-C3 at their high level the associated output gate drops to its low level. The counter may operate in Gray code. In a modification (Fig. 4, not shown) one of four bi-stables is set at each pulse from a clock source, NAND gate (46) delivering, at each output from the fourth bi-stable. a clocking signal to a bi-stable (BIS) which acts as the clock of Fig. 1. When one of the lines becomes low a NAND gate (N45) delivers a "0" output so that a NAND gate (44) disables the first of the chain of bi-stables. A further bi-stable (BS5) is then set to set at the next clock pulse a bi-stable (BS6) to prime the output gates one of which delivers a signal as in the embodiment of Fig. 1. The counter stages may be reset to a predetermined position after generation of an output signal to give high priority to the line associated with that counter state.
Patent GB-691445-A (GB)
Title: Improvements in or relating to resiliently mounted shaft hanger
IPC: F16C35/04
Filed: 1951-06-22
Abstract: 691,445. Supporting and mounting bearings. THOMPSON PRODUCTS, Inc. June 22, 1951 [Feb. 5, 1951], No. 14881/51. Class 12 (i). A resiliently mounted shaft hanger comprises a C-shaped bar 13 having spaced opposed portions 26 engaging pre-loaded rubber bushings 32 disposed in aligned sockets 33 in a bearing housing 27, the long portion 25 of the bar 13 being supported from a channel-shaped member 11 by brackets 14, each of which includes a U-shaped strap 18, a bolt 15, a metal spacer 20 and a pre-loaded rubber bushing 19 disposed between the bight of the strap 18 and the metal spacer 20 and completely encircling the portion 25 of the bar 13. The bearing housing 27 is split, and the shaft axis A may be arranged above or below the centre line C, L of the bar ends 26. The bar 13 is preferably circular in cross-section.
Patent GB-168642-A (GB)
Title: Improvements in relay contacts and method of making the same
IPC: H01H50/54
Filed: 1920-06-01
Abstract: 168,642. Dodgson, F. L. June 1, 1920. Contacts; r e l a y s ; sparking, preventing. - One of the contact members of an electric relay, specially adapted for railway signalling systems, is constructed so as to cause contact making to take place in two stages, namely, an initial metal-to-graphite followed by a final metal-to-metal contact, the two stages being reversed when contact is broken. The contact member is shown in section in Fig. 3, and dissembled in Fig. 5. When making contact, the metal finger 13 first contacts with a graphite button 23, which is then pushed upwards along a metal pin 24 against the pressure of a light spring 26, until the enlarged metal head 25 of the pin 24 is brought into firm metallic contact with the finger 13. When the armature drops, the metal-to-metal contact between the parts 25, 13 gives place to a metal-tographite contact 13, 23 before the final break takes place. The spring 26 ensures a rapid break-away and at the same time provides the necessary resilience for making a firm contact. In manufacture, the parts are assembled in a block and the central pin 24 is solidly secured to the holder 17 by means of solder which is applied through a tranverse boring 28.
Patent GB-662267-A (GB)
Title: Improvements in or relating to centrifugal pumps
IPC: F04D9/00
Filed: 1949-06-03
Abstract: 662.267. Centrifugal pumps. TRIGGS, W. W. (Salvisberg, W.). June 3, 1949. No. 14930/49. Class 110(i). In a pump handling liquid near its ebullition point, formation of steam at partial or zero load is prevented by extracting a portion of the flow, cooling it, and returning it to a point of lower pressure. The extracted liquid passes, by way of piping j, through a coil c, where it is cooled by cooling water leaving the stuffing box by way of a pipe h. To regulate the cooling, a cock g in the lower of two outlets e and f for the cooling water is normally open so as to reduce the effective cooling area but is closed at low loads. Alternatively, the amount of extraction or the flow of cooling water may be varied. Any of these modes of regulation may be automatic in accordance with the pump output or pressure or the input of the driving means. The extraction may be made at the pump outlet or other high pressure point, the liquid being returned at a point ahead of the balancing disc, or it may be made between first stage and inlet. Cooling water from the bearings may be used in addition to or instead of that from the stuffing box. In the case of a boiler feed pump, the heat in the cooling water may be recovered by adding it to the feed water at a lower temperature level.