baber/WOPTO huggingface dataset:
Patent GB-210186-A (GB)
Title: Improvements in electric switches
IPC: H01H51/08
Filed: 1922-11-03
Abstract: 210,186. Railing, A. H., Garrard, C. C., and Wilson, W. Nov. 3, 1922. Electromagnetic switches.-A distant control switch for use in street lighting has an operating electromagnet G connected in a pilot wire circuit which attracts a pivoted armature H stressing a leaf spring N attached thereto by forcing its ends against adjustable stops 0. The arm H has an extension I to which is pivoted a pair of links K jointed at their free ends by a pin L. This pin normally rests in a recess M in a ratchet wheel C mounted on a rotary shaft E which also carries a star-shaped contact wheel A having radial projections, pairs of which are adapted to bridge fixed contacts B in the local circuit. When the armature H is released, it is returned by the spring N to its former position, the pin L carrying round the ratchet wheel C thus breaking the circuit between contacts BB. To arrest the motion of the ratchet wheel a dummy contact D is placed between the contacts BB and is engaged by a projection of the wheel A. On further energization and de-energization of the electromagnet the local circuit is reclosed at BB. A number of these switches may be connected in series or parallel in a pilot wire circuit controlled by a distant master switch.
Patent GB-192797-A (GB)
Title: Improvements in, or relating to, electric lighting dynamos
IPC: H02K21/34
Filed: 1921-11-12
Abstract: 192,797. Miller, C. A., and Miller, F. J. Nov. 12, 1921. Magneto - electric machines. - The U shaped permanent magnet of a cycle-lighting or other magneto is produced from a blank comprising two rectangular end portions o, o<1>, Fig. 6, and a narrow middle portion o<2>; this blank is bent up into the form shown in Fig. 5. To produce a four-pole magnet, additional slots o<8> may be machined along the concaved half portions o, o<1> equidistant the gaps o<6> formed by the folding operation. The magnet is mounted in a casing a, Fig. 1, having a detachable end cover b through which the armature spindle h passes. The magnet d is secured against rotation by lugs j on the end-cover h engaging in the slots o<8>.
Patent GB-775534-A (GB)
Title: Improvements in or relating to vehicle steering apparatus
IPC: B62D61/08
Filed: 1955-10-24
Abstract: 775,534. Steering vehicles. ZOCCHI, G. Oct. 24, 1955 [Oct. 29, 1954], No. 30271/55. Class 79(5). A light-weight motor vehicle comprises steering mechanism, which is displaceable in order to allow the load to be symmetrically disposed, consisting of transverse guide rails 12, 13 rigid with the vehicle frame 1 carrying supports for foot control pedals 28, and means slidable along the rails 12, 13 for supporting a steering wheel 19, and a steering gear box 15 for transmitting the drive from the steering wheel 19 to a pin 4 mounted on the frame 1. As shown, as applied to a three-wheel vehicle adapted to seat a single person centrally, or two persons side-by-side with the steering column and controls on either the right or left hand sides, a frame 16 has sleeves 17, 18, slidable respectively on the guide rails 12, 13. The frame 16 is rigid with the gear box 15 and carries the foot control pedals 28. The latter, as well as controls 29 mounted on the control column 20, are connected by Bowden cables to the power unit 9 which is rigid with the mounting for the steerable road wheel 5. The wheel mounting is provided by an arm 7 pivotally mounted at 7a to a frame 6 which is rigid with the pin 4. As shown, the gear box 15 comprises a crown wheel and bevel drive from the control column 20 to a shaft 24 connected by a parallel linkage 25, 26, 27, to the pin 4. The latter permits lateral movement of the steering mechanism relative to the guide rails 12, 13 without affecting the steering geometry. The control column may alternatively be connected to the bevel wheel gear box 15 by a universal joint so as to enable the inclination of the control column 20 to be adjusted. The crown and bevel gear may be replaced by a worm drive. The Bowden cable connections between the control sand the power unit may be replaced by either a telescopic coupling link arrangement, or by hydraulic control means. The gear box 15 may alternatively be mounted on the frame 1.
Patent GB-648399-A (GB)
Title: Improvements relating to dragline buckets
IPC: E02F3/60
Filed: 1948-11-15
Abstract: 648,399. Dragline earth excavators. PRIESTMAN BROS., Ltd., and PRIESTMAN, S. H. Nov. 15, 1948, Nos. 30330/47 and 16380/49. [Class 68 (i)] In a drag-line bucket, the lower portions 8 of the sides are inclined at an angle of 20 to 60 degrees to the plane of the base, whilst the upper portions 9 of the sides are substantially vertical and project forward, beyond the base 7, being interconnected by a bridge 13. Chisel pointed teeth 21 are carried in sockets 22 secured below the leading edge of a digging shoe 17 which may be welded or detachably secured to the bucket, the upper surface of the teeth being flush with the top of the shoe. The handlinge gear comprises a chain 28 attached to the bracket 27 and to a tipping block 29, chains 36 attached to the brackets 34 and to a coupler 37 leading to a drag rope 38 and a tipping rope 39 extending from said coupler; over a sheave 8 on the tipping block 29 to an attachment 42, which is adjustable in length and is secured to the yoke, and a lifting rope 31 attached to the block 29.
Patent GB-897315-A (GB)
Title: An improved method and apparatus for separating a sludge into filtrate and residue
IPC: B01D33/09
Filed: 1959-09-04
Abstract: 897,315. Filters. JUNG, H. Sept. 4, 1959 [Sept. 4, I958], No. 30344/59. Class 46. Rows of filter candles K, Fig. 1, are located in a cylinder Z which has pipe connections to a head rotated by gearing (not shown). Sludge is introduced to the casing Z, through inlets along a trough 36a, and when the casing is full superatmosphere pressure is applied, cylinder Z is rotated and filtration begins. When a certain thickness of residue is attained, the sludge supply is cut off, the casing is drained and the residue washed and dried. Then the filter candles are subjected to internal liquid and gaseous pressure to remove the residue, which is discharged by the worm 36. As the candles reach the top of the casing each is cleaned by horizontal foaming liquid jets from a ring 32 which is reciprocated by a piston B. A supersonic device may also be provided. In Fig. 3 the candles are directed inwards and sludge stirrers 23 are provided. The cylinder Z is provided with apertures (not shown). The process steps are as before but here the residue is discharged by an axiallyarranged worm 36 in a trough 36a. Each candle consists of a ceramically-bound sintered inert non-metallic material and may be formed in two layers, that on the outside having finer pores; it may be surrounded by a spiral of wire which is sprayed with a hardening liquid e.g. to change the porosity for a different sludge. Each candle is screw-threaded or bayonet-fitted into its cap 1 and may be rendered non-porous in the vicinity of its cap.
Patent GB-264292-A (GB)
Title: Improvements in or relating to electrically illuminated advertising apparatus and control devices therefor
IPC: G09G3/00
Filed: 1925-12-01
Abstract: 264,292. Scintillating Sign Co., Ltd., and Fitch, C. E. H. Dec. 1, 1925. Monogrammic signs. - In apparatus wherein the matter to be advertised is provided on contact blocks the contour or shape of the letter, sign, &c. is formed by a number of spring-pressed or resiliently acted-on electrically conductive members mounted in the block so as to project from the lower face thereof to co-operate with a set of stationary or resiliently supported contact terminals in a. control board traversed by the blocks and in circuit with a bank of lamps. The blocks may be formed in two parts 4, 5, Fig. 4, the conductive members being removably mounted in the lower portion; both parts may be made of conducting metal or the lower part 5 may be made of fibre or other non-conducting material. The two parts form a unit held together 'by screws 8, Fig. 3, and the conductive members 6 formed as balls, rollers, wires, &c. are mounted in the lower part 5 and are projected bv means of springs 9. The part 4 of the block has upwardly-projecting portions 25, 26 through which pass pins supporting driving links 16. The blocks are maintained in contact with a control board 2 with a plurality of contacts 3 by means of bars 20 - - 23 under the action of springs 24. When the all-metal type of block is used the control board has metallic strips 17, 18 for preventing the lower surface of the block coming into contact with the insulated surface 19 of the board. The control board may also be provided with a removable section comprising a fibre plate with contact terminals arranged above the surface 19 and having spring-pressed pins projecting from the underneath side into contact with the contacts 3.
Patent GB-678020-A (GB)
Title: Improvements relating to the bending of concentric tubes
IPC: B21D7/00
Filed: 1949-11-28
Abstract: 678,020. Making heating &c. coils. HUET, A., and COMPAGNIE DES SURCHAUFFEURS. Nov. 28, 1949 [Dec. 1, 1948], No. 30434/49. Classes 83 (ii) and 83 (iv). Angular bending.-A method of bending two concentric tubes comprises creating on each tube prior to assembly a difference of temperature between the sides of the tube and bending the tubes with the hotter part of the tube on the inside of the bend. Tubes a, b are heated in the regions AD, BC and the tube b inserted in the tube a. Spacers may be inserted between the tubes which are then bent in a known machine. Serpentines for heat-exchange apparatus are made by welding straight concentric tubes to the bend, Fig. 6. Straight inner tubes d are welded to the inner bend b and the outer tubes and the outer bend be connected by a sleeve f<SP>1</SP>, f<SP>2</SP> which may be split and lapped or butted to the parts. Specification 678,002 is referred to.
Patent GB-266810-A (GB)
Title: Improvements in or relating to lifting jacks and the like
IPC: B66F3/12
Filed: 1925-12-02
Abstract: 266,810. Hern, F. F., Hern, A. B. F., and Hern, A. H. F. Dec. 2, 1925. Linkage load-handling appliances. - A lifting- jack of the lazy tongs type has pairs of toggle links the upper and lower ends of which are crossed and are connected to the crutch and base at equally spaced points and operated by screw and nut mechanism and has pairs of steadying links connected to the screw and nut mechanism and by pin and slot connections to the crutch and base. The lifting links 6, 7 are crossed at their upper and lower ends and are connected to the crutch 5 and base 3 at equally spaced points 8, 9 and to trunnions 11, 13 on a nut 10 and collar 12 engaging with a screwed shaft 14 having a fitting 16 for an operating handle. The pairs of steadying links 18, 19 are pivoted on the trunnions 11, 13 and have pin and slot connections 20, 21 to the crutch and base, respectively. The crutch may be formed of aluminium and have slotted steel plates cast in or riveted thereto.
Patent GB-305496-A (GB)
Title: Improvements in and relating to lamps for motor vehicles
IPC: B62J6/00
Filed: 1927-11-14
Abstract: 305,496. British Thomson-Houston Co., Ltd., and Morton, C. J. Nov. 14, 1927. Dials, illuminating. - In a vehicle lamp an ammeter 4 is visibly mounted in a weather-tight manner between an outer casing 2 and a reflector 7, and means are provided for illuminating the ammeter by direct or reflected light. In the form shown in the Figure, the ammeter 4 is supported just below a window 3 by means of narrow supports 5. An aperture 6 is made in the reflector 7, and the back of the reflector, the inside of the casing, and the sides and back of the ammeter are enamelled or painted white, or otherwise made reflecting. Alternatively, the ammeter may be illuminated by a low candle-power auxiliary lamp connected in parallel with the head lamp, and arranged so as not to dazzle the driver. The auxiliary lamp may be mounted between the casing 2 and the reflector 7.
Patent GB-414634-A (GB)
Title: Improvements in or relating to electric signal transmission systems
IPC: H04B3/20
Filed: 1932-10-31
Abstract: 414,634. Two - way transmission. ELECTRICAL RESEARCH PRODUCTS, Inc., 195, Broadway, New York, U.S.A.- (Assignees of Bjornson, B. G. ; 13, Middagh Street, Brooklyn, New York, U.S.A.) Oct. 31, 1932, No. 30581. Void [Abridged as open to inspection under Sect. 91 of the Acts, June 2, 1933]. [Class 40 (iv).] At the terminal station of a two-way telephone or like transmission system including a wireless or submarine cable link, the control circuit 9 which responds to speech in the transmitting path TC to complete that path and to disable the receiving path RC includes a filter circuit 25 passing only a frequency band which is normally suppressed in the path RC by a filter circuit 24. The control circuit 14, however, in response to speech in the receiving path RC, inserts a filter circuit 23 in parallel with the filter circuit 24 to pass the frequency band suppressed thereby, and in addition disables the control circuit 9. The band passed by the filters 23, 25 and suppressed by the filter 24 is one in which the noise energy is small, so that the control may be set at maximum sensitivity without danger of false operation by leakage of noise energy from the path RC to the path TC through the hybrid coil.
Patent GB-858203-A (GB)
Title: Niobium-containing alloys
IPC: C22C27/02
Filed: 1958-09-24
Abstract: An alloy having good oxidation resistance and strength at high temperatures has a composition within the following range in per cent by weight: Ti 1-20, Mo 8-20, Cr 1-16, Nb, at least 50, the balance. The alloys may contain one or more of the following elements, Ta, V, Zr up to 10 each and up to 20 total, Al, Co, Fe, Mn, Ni, W up to 5 each and up to 10 total, Be, C, Ce, Si up to 2 each and up to 5 total.  The alloys may be used in engines, turbines, chemical equipment and as high temperature dies.  The required amounts of the constituents may be sintered to form the alloy or melted under an inert atmosphere in an arc or induction furnace.  The cast alloy is subjected to remelting operations to ensure mixing.
Patent GB-854876-A (GB)
Title: A heater with a liquid fuel burner
IPC: F24H9/20
Filed: 1959-09-08
Abstract: 854,876. Burners. METAALWARENFABRIEK INALFA N.V. Sept. 8, 1959 [Jan. 9, 1959], No. 30588/59. Class 75(1). A heater employing a burner for liquid fuel comprises a burner pot 1 into which fuel is discharged from a fuel tank through a fuel pipe incorporating regulating means, the side walls of the pot being provided with inlets for the admission of combustion air, the pot being contained inside a chamber supplied with air through a pipe 4 from a blower 5 and either the air supplying pipe or the wall of the chamber being fitted with an automatically controllable air outlet means. The air outlet 16 comprises a valve 15 in the air pipe 4 controlled by a limited strip 17 on the wall 18 of the chamber. The heated gases from the burner pass through tubes 8, 9, 10 of a heat exchanger to a flue. The blower 5 also blows air over the pipes to outlets controlled by adjustable louvres 14. A second blower 13 in a pipe 22 communicating with air outside the room in which the burner is situated may provide the combustion air when the air in the room is explosive. A hinged door 23 to the chambers is maintained closed by a counterweight 25.
Patent GB-1467476-A (GB)
Title: Mobile apparatus for taking up storing and delivery of goods  items eg hay or straw bales
IPC: A01D90/08
Filed: 1974-07-10
Abstract: 1467476 Loading bales MASCHINENFABRIK FAHR AG GOTTMADINGEN 10 July 1974 [10 Aug 1973] 30624/74 Heading B8E Apparatus for taking up, storing and delivering goods items, e.g. hay or straw bales, comprises a goods compartment along a side of which a conveyer 2 extends, the latter being fed with bales by an inclined conveyer device 1, and when the first bale of the row of bales on the conveyer 2 strikes a contact trip 7 hydraulic rams 5 (only one shown) cause pivoting of corresponding support members 3 about an axis 4 so that the conveyer 2 which is mounted on the members 3 is thus rotated anti-clockwise to deposit the bales thereon into the goods compartment. At the beginning of the loading operation three interfitting trays 10-12 are located on the floor of the goods compartment, and when the uppermost tray 10 is filled a contact trip 13 is actuated by the bales in tray 10 which causes movement of endless chains 14 to which the tray 10 is connected so that the tray 10 is moved upwardly until it abuts the lowermost of three limit switches 20 which stops the movement of the chains 14, and the next tray 11 is then exposed on the goods compartment's floor, and when that tray 11 has been filled it is moved upwardly simultaneously with further upward movement of the tray 10, so that the tray 12 can be filled, and when this has been done the chains 14 move the tray 12 upwardly so that the condition of Fig. 2 is reached in which the said floor can now receive bales from the conveyer 2. In order to unload the apparatus toothed clearing devices 21 (only one shown) are operated to extend upwardly through slots in the goods compartment's floor to move the bales thereon back on to the conveyer 2, the trays 10-12 then being lowered in succession on to the floor so that the clearing devices 21 can extend through slots in the trays to discharge the bales therefrom. The endless chains 14 and clearing devices 21 are driven from a central transmission 26 which is driven from a tractor. Only the uppermost tray 10 is attached directly to the chains 14, the tray (11) having a strap (17) attached thereto in which there is a slot (16) which receives a pin (15) mounted on the tray (10), Fig. 3 (not shown), while the tray (12) has a strap (18) attached thereto whose slot (19) receives a pin (15) connected to the tray (11), the length of the slots (16, 19) determining the spacing of the trays 10-12 when extended as shown in Fig. 2.
Patent GB-933699-A (GB)
Title: Stabilized polyether polyurethanes
IPC: C08K5/13
Filed: 1961-08-25
Abstract: A polyether polyurethane composition contains as a stabilizer a phenolic compound of the general formula <FORM:0933699/IV(a)/1> wherein R, R1 and R11 are H, OH, alkyl, carbalkoxy, or alkoxy, and R1 and R can further be an alkylidene phenol of the type <FORM:0933699/IV(a)/2> wherein A is alkylidene, R11 is as above, and R111 is H, OH, alkyl, carbalkoxy or alkoxy, in which composition the stabilizing effect of the stabilizer is further enhanced by the presence of phosphate ions, the pH of the composition being neutral or slightly acid.  The greatest effect is obtained when the polyurethane contains 25 to 75 parts per million of the phosphate ions.  The phenolic compounds are preferably used in amounts of 250 to 1,000 parts and higher per million.  In examples the polyurethane is a prepolymer or the corresponding foam, prepared from a polypropylene glycol of M.W. 2,000 and tolylene diisocyanate, the phenol is 2,6-ditertiary butyl-4-methyl phenol and the pH is adjusted with phosphoric acid. (In comparison examples sulphuric or hydrochloric acid is used and found to be less effective). Other phenols referred to are 2,5-di-tertiary amyl hydroquinone, o-butyl-p-methoxy phenol, n-propyl gallate, n-butyl p-hydroxy benzoate, and bis-phenol A.  Other polyoxyalkylene polyols and polyisocyanates are also mentioned.ALSO:A polyether polyurethane composition contains as a stabilizer a phenolic compound of the general formula <FORM:0933699/V/1> wherein R, R1 and R11 are H, OH, alkyl, carbalkoxy, or alkoxy, and R1 and R can further be an alkylidene phenol of the type <FORM:0933699/V/2> wherein A is alkylidene, R11 is as above, and R111 is H, OH, alkyl, carbalkoxy or alkoxy, in which composition the stabilisizing effect of the stabilizer is further enhanced by the presence of phosphate ions, the pH of the composition being neutral or slightly acid.  The greatest effect is obtained when the polyurethane contains 25 to 75 parts per million of the phosphate ions.  The phenolic compounds are preferably used in amounts of 250 to 1,000 parts and higher per million.  In examples the polyurethane is a prepolymer or the corresponding foam, prepared from a polypropylene glycol of M.W. 2000 and tolylene diisocyanate, the phenol is 2, 6- di-tertiary butyl- 4-methyl phenol and the pH is adjusted with phosphoric acid.  (In comparison examples sulphuric or hydrochloric acid is used and found to be less effective).  Other phenols referred to are 2, 5-di-tertiary amyl hydroquinone, o-butyl-p-methoxy phenol, n, -propyl gallate, n-butyl p-hydroxy benzoate, and bis-phenol A. Other polyoxy-alkylene polyols and polyisocyanates are also mentioned.
Patent GB-806361-A (GB)
Title: Condenser-timed delayed signal repeater
IPC: H04Q1/446
Filed: 1956-10-10
Abstract: 806,361. Code telegraphy. STANDARD TELEPHONES & CABLES Ltd. (International Telephone & Telegraph Corporation). Oct. 10, 1956, No. 30838/56. Class 40 (3). [Also in Group XXXIX] An electric signal receiver comprises a gate controlled by the incoming signal to admit current from a local A.C. source to the input of a transistor amplifier whose output feeds a receiving device. As shown, a voice-frequency telegraph signal passes via a limiter (not shown), to a frequency discriminating circuit to produce a D.C. output over potentiometer 32. This D.C. charges condenser 43 over resistance 42 until the potential thereon overcomes the bias on rectifier 46 which thereupon passes A.C. from the oscillator 49 to the transistor amplifier 52. The output from the latter is detected by the transistor 62 whose output operates relay 71. On cessation of the signal the condenser discharges rapidly over rectifier 41. The arrangement prevents operation by short spurious signals.
Patent GB-450961-A (GB)
Title: Refractories
IPC: C04B35/01
Filed: 1934-10-27
Abstract: Basic or neutral refractories are prepared which have a high resistance to moisture absorption and to disintegration in use by crushing and intimately mixing calcareous and siliceous materials to provide a composition which when burned will contain 8-76 per cent of lime, 9-40 per cent of silica, and less than 5 per cent of alumina, and have an effective base-acid ratio between 1,40 and 3,90, and a hydration value not exceeding 7 per cent, and burning this composition with a stabilizing agent at a temperature in excess of 2600 DEG  F.  The effective base-acid ratio is defined as <FORM:0450961/V/1> The hydration value is the percentage of moisture contained in the refractory after it has been subjected to the action of steam at 212 DEG  F. for 18 hours.  As suitable stabilizing agents there may be used chromite, apatite, iron ore, manganese ore, millscale, basic open-hearth and converter slags, phosphates, fluorides and borates or mixtures of any of the above.  The amount of stabilizing agent used is approximately 1-8 per cent on the unburnt refractory. The selection of the stabilizing agent to be used in any particular case depends on the properties which are desired in any given case.  The conditions which determine the selection of any given stabilizing agent are described.  The stabilizing agent is preferably finely ground and mixed with the other ingredients before burning.  The Specification contains many examples of compositions which fall within the scope of the invention. Specification 111,853, [Class 22], is referred to.
Patent GB-1433703-A (GB)
Title: Hydraulic load sensing device
IPC: B66C1/40
Filed: 1974-07-12
Abstract: 1433703 Load measurement E KARLSSON 12 July 1974 [12 July 1973] 30920/74 Heading G1W The load lifted by a hoisting means such as a crane is measured by a hydraulic piston and cylinder unit 9 connected to a hydraulic circuit which includes a throttle 4, an accumulator 6 and a pressure gauge 7. The hydraulic circuit is connected via a valve 10 to the hydraulics of the crane. The scale 13 is movable to compensate for the weight of the hook.