baber/WOPTO huggingface dataset:
Patent GB-441924-A (GB)
Title: Improvements in or relating to pipe lines
IPC: E03B7/07
Filed: 1934-06-29
Abstract: 441,924. Valves. GIBBS, G. J., 7, Lune Street, Preston, Lancashire. June 29, 1934, No. 19201. [Class 135] A throttle valve 13 near the delivery end of a pipe line 10 leading from a variable stream or gathering ground to a reservoir or the like 12 is under the joint control of a pressure meter 14 and a velocity meter 15 so that the cross-sectional area available to water flow is reduced when the pressure head is reduced due to a reduction in the quantity of water available at the gathering ground. Similarly this cross-sectional area is increased as the head increases, the result being to conserve the head, and as far as possible to maintain it constant. The meters 14, 15 are in the form of stand pipes arranged on opposite sides of the valve 13 respectively, Fig. 3. Normally the levels 21 and 22, 17 and 18, and 25 and 26 corresponding to decreasing amounts of opening of the valve 13 for a normal head of water in the upper reservoir 11 would not be equal, but by arranging a liquid of heavier density, such as mercury, in the meter 14 and suitably choosing the dimensions of the Venturi throat 16 these levels may be made equal for a normal head. The levels shown in dotted lines 23, 24, 19, 20, 27, 28 correspond to a decreasing head. The velocity meter 15 is seen to be more sensitive for large flows and the pressure meter for small flows. The movements of the levels in the meters are arranged to control a reversible electric motor, or a hydraulic motor through a worm and a segmental gear. Fig. 5 shows an arrangement in which floats 33, 37 on the liquid columns operate through flexible connections 35, 38 passing over pulleys 36, 39 respectively a two-way mercury switch 34. This switch is connected by cables 40, 41, 42 to a battery 45 and electromagnets 43, 44 controlling the electric or water motor in such a way that when the float 33 descends below the float 37, the magnet 44 is energized and the valve 13 is moved towards its closed position.. To avoid " hunting," the electric or water power is supplied intermittently so that valve 13 moves step-by-step. Instead of using mercury in the column 14, the travel of the float 37 may be magnified by using two flexible connections secured to a differential drum. Fig. 7 shows in plan a mechanical arrangement for controlling the pilot valve 53 of the throttle valve motor. The floats (not shown), are connected by flexible means to brackets 48, 49 non-rotatably connected but slidable on shafts 46, 47. The bracket 48 is formed with a finger 50 continuously oscillated by a crank 70. The bracket 49 which is connected to the valve 53 has two fingers 51, 52 normally above and below the finger 50. When the float in column 14 descends below that in column 15, the finger 50 rises to the plane of the finger 51 and the valve 53 is moved so that the valve 13 is moved towards closed position. In a further modification, the pressures in pipes 14, 15 act on the faces of a differential piston operating a control valve which is maintained in neutral position so long as the head of water is normal.
Patent GB-223330-A (GB)
Title: An improved file for storing gramophone records
IPC: B42F15/00
Filed: 1923-07-27
Abstract: 223,330. Jackson, F. July 27, 1923. Cabinets; post files.-In a cabinet for gramophone records, in which the envelopes containing the records are freely suspended from their top edges and are drawn forward by tabs C, rigid means, for example, bars, on the cabinet are provided to limit the backward and forward movement of the. envelopes. The latter are suspended from one or more horizontal rods G, E passing through perforations A, F, and, when more than one bar is used, the rods act as the motion limiting means, and the slots F are lengthened to allow the requisite movement.
Patent GB-1109491-A (GB)
Title: Improvements in or relating to taps or faucets
Inventor: BARKER CLIFFORD LEWIS
IPC: F16K11/00
Filed: 1964-05-08
Abstract: 1,109,491. Valves. WALKER CROSWELLER & CO. Ltd. 10 May, 1965 [8 May, 1964], No. 19361/64. Heading F2V. In a mixing valve, the outlet passage 4 communicates with the hot water inlet 2 via a valve 18, 21 and with the cold water inlet via a passage 20, valve 17 and chamber 19. The valve closure members 17, 18 are formed on a spindle 7b having a threaded connection with the valve body and a splined connection 16 with a second spindle 7a which carries a domed operating knob 6. The second spindle is restrained from axial movement by collar 9 and co-operation of the knob with a shoulder on the housing. In operation, initial rotation of the knob unseats member 17 and allows cold water to flow to the outlet. Further rotation opens the hot water valve 18, 21 and causes a progressive throttling of the cold water supply as a piston 22 on spindle 7b enters passage 20. The skirt 16 may be graduated to indicate the temperature of the liquid discharging from spout 5.
Patent GB-293465-A (GB)
IPC: G03B27/36
Filed: 1928-07-05
Abstract: 293,465. Konieczny, A. July 7, 1927, [Convention date]. Enlarging. - In apparatus in which automatic focusing is effected by means of a lever controlled by a guide curve, (1) the guide rail of the camera is independent of the projection-surface, and its distance therefrom is determined by a hinged rail or board; and (2) the objective carrier is adjusted automatically to maintain focus, as the camera is moved along its guide rail, by a double-armed forked lever co-operating at one end with a fixed curved guide, and at the other end with the movable part of the objective carrier. As shown, the support 1 of the camera 2 is adjustable on a guide-rail 3 with respect to a projection-surface from which it is spaced by a rail or board 5 hinged at 4. Disposed along the length of the rail 3 is a curved cam 7 with which engages a roller 8 on one end of a double-armed lever 9 slotted at 13 to embrace a pin 14 on the support 1, and forked at the end 12 which is pivotally connected, at each side of the camera, to rails 10 fixed to the objective carrier 15 and slidable parallel to the optic axis in guides 16 on the support 1. A handle 20 for displacing the camera is secured to the support 1, and springs 21 stretched between the support 1 and the objective carrier 15 maintain the roller 8 in contact with the cam 7. Alternatively the roller may positively engage a cam-slot in the member 7, or the cam may have downwardly-turned flanges engaged by lugs 24, 25, Fig. 6, on the rod 9. The Specification as open to inspection under Sect. 91 (3) (a) describes also a vertical form of apparatus in which the pivoted distance piece 5 is replaced by a support rigidly secured to the horizontal projection surface. This subject-matter does not appear in the .Specification as accepted.
Patent GB-134390-A (GB)
Title: Improvements relating to Demountable Wheels for Light Cars, Motor Cycles and the like.
Inventor: MORGAN HENRY FREDERICK STANLEY
IPC: B62K25/02
Filed: 1918-11-28
Abstract: 134,390. Morgan, H. F. S. Nov. 28, 1918. Wheels, facilitating detachment of.-In detachable wheels for motorcycles, light cars, &c., a live axle 1 carrying the hub 9 and a sprocketwheel 2 or pulley and/or a brake drum is directly supported in housings 6 attached to the vehicle fork or frame, the housing having tubular inward extensions 6<a> enclosing tubular extensions 2<a> of the sprocket-wheels directly surrounding the axle, and the sides of the hub and faces of the sprocket-wheels being formed with diametric coupling dogs and grooves 8 so that, when the axle is withdrawn, the hub can be removed by a trans-axial movement and the sprocket-wheels remain loosely supported in such a way that they can be easily withdrawn. As shown, the sprocket-wheels are combined with brake drums 3. The dogs and grooves 8 may be tapered either in width or depth, or in both respects. To provide for chain adjustment, the housings G may be carried by arms 15 pivoted at 16 to the frame. According to the Provisional Specification, the diametric groove has rectangular sides, and to simplify engagement, the dogs may be chamfered at their ends.
Patent GB-293986-A (GB)
Title: Improvements in or relating to locking devices for preventing the unauthorized use of operating or control levers of machines or mechanisms, such for example as the brake levers of motor cars
IPC: B60R25/00
Filed: 1927-07-26
Abstract: 293,986. Horswill, H. T., and Manns, E. H. O. July 26, 1927. Addition to 275,903. Guarding against unauthorized use.-In order to fit control levers. having different spacings from the release trigger the part 2 of the device described in the parent Specification is formed with a number of holes 7 for the reception of the trigger. Various other devices for enclosing the trigger are described, including an apertured plate, and two plates with serrated edges, adapted to be screwed to the part 2.
Patent GB-480577-A (GB)
Title: Improvements in or relating to ultra high frequency radio systems
IPC: H04B7/22
Filed: 1937-07-19
Abstract: 480,577. Wireless systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. July 19, 1937,No. 19900. Convention date, July 18, 1936. [Class 40 (v)] [Also in Group XXXV] In a short-wave wireless system, constancy of communication beyond the optical range is preserved, despite changes in atmospheric ionization and the like, by employing two aerials at the receiver and utilizing any difference in their received signal strength to vary the transmitter frequency, or the vertical angle of propagation, so as to restore equality. The two receiving-aerials 29, 31 are connected to frequency-changing circuits 33, 35 fed by a common local oscillator 37. The detectors 43, 45 apply to the grids of the valves 47, 49 voltages proportional to the received signals. The plate circuits of these valves include an alternating source 55, which may be the mains supply, the opposed field coils 51, 53 of a motor 57, and output transformers 52, 54 feeding the lines 63, 65. When unequal reception occurs, the motor 57 operates through gearing 61 to adjust the tuning of the local oscillator. Unequal currents are also sent back to the transmitter along the lines 63, 65 to amplifiers and rectifiers which apply unequal voltages to the grids of valves 75, 77 with the result that a motor 85 starts in one direction or the other and through gearing 89 adjusts the transmitter frequency until equality of reception is again obtained in the receiving- aerials 29, 31. If the receiver is broadly tuned, its adjustment may be unnecessary. The lines 63, 65 may be replaced by a long-wave radio link. In a modification, the motor 85, instead of varying the frequency, adjusts the vertical angle of propagation of the waves, e.g. by tilting the aerial. In this case the motor 57 is omitted.
Patent GB-407860-A (GB)
Title: Improvements in or relating to apparatus for welding or cutting metals by fusion
IPC: B23K7/00
Filed: 1933-07-14
Abstract: 407,860. Uniting or dividing by fusion. LINDE AIR PRODUCTS CO., 30, East 42nd Street, New York, U.S.A.-(Assignees of Halbing, J. M. ; 77, Chester Avenue, Bloomfield, and Linden, W. R. ; 519, Broad Avenue, Palisades Park, both in New Jersey, U.S.A.) July 14, 1933, Nos. 19967 and 19968. Convention dates, July 23, 1932 and July 29, 1932. [Class 83 (iv).] Metals are welded or cut by fusion by an apparatus supported on the work by members, which are axially adjustable manually without removing them from operative position on the work. A blowpipe provided with a welding tip 13 and a preheating tip 14 and a manipulating handle, is carried by arms 10, which are pivotally mounted by sleeves 36 on a bar 35 secured by heads 40 to elbows 37, 34 connecting the parts 16, 17 of a carriage in which the hollow stems 19 of supports S carrying runners R are mounted. The supports S are vertically adjustable independently so as to adjust the vertical position of the pivot 35 according to the diameter of the work and also to adjust the separate supports to suit the levels of the respective parts to be welded or cut, e.g. when articles of different diameters are to be welded together, or where a cut is made adjacent a shoulder. This adjustment is effected without removing the apparatus from the work by screwing the upper ends of the stems 19 to engage screws 20, which are rotatably mounted in stems 18 fixed to the bars 17 and rotated by heads 22. The upper end of each screw is held in a plug 21 screwed into the stem 18 and a spring washer 22<a> prevents accidental rotation of the screw. The stems 18 are slotted and provided with graduations co-operating with lugs 24 on the stems 19, the lugs also preventing rotation of the stems 19. The provision of graduations allows the supports on opposite sides of the blowpipe to be adjusted to the levels of the work parts before placing the apparatus on the work. The runners R consist of hollow stems arranged crosswise and adjustable in fixed graduated slotted sleeves 26 by similar means. The heads 40 are secured to the carriage by threaded pins 38 and nuts 41 through spacing washers 42 so that the blowpipe assembly together with the bar 35 may be used apart from the carriage by providing separate runners. The ends of the sleeves 36, 40 are milled so that they may be locked together by nuts 44 when not used with the carriage, the sleeves being held apart by pivoted slotted members 45 when the carriage is used. A welding rod W may be fed by gravity in a guide G, which is pivoted at 15 to the blowpipe and can be angularly adjusted relatively thereto by set screws 15<a>, 15b. In Fig. 7, the runners 57 are carried by stems 48 adjustable as previously described in stems 47, the heads 40 of which are directly connected to the bar 35 on which the blowpipe is pivoted. The graduations may be provided by brass rings 62 inserted in circumferential grooves in the stems 47.
Patent GB-433984-A (GB)
Title: Improvements relating to bearings and their manufacture
IPC: B22D19/08
Filed: 1934-07-07
Abstract: 433,984. Measured quantities; weighing - apparatus fitted to furnaces. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(General Motors Corporation ; Detroit, Michigan, U.S.A.) July 7, 1934, No. 20009. [Classes 106 (v) and 143] [See also Groups XXII and II] Apparatus for heating trays 15 and casting a predetermined weight of plastic bronze thereinto comprises a furnace 49 through which the trays are passed, the introduction of a tray causing the end tray to pass on to supports 57. The tray is then raised, to the position shown, by a cam 54 through a spring 59 and a member 56, the latter in its upward movement operating a switch 61 which stops the electric motor 55, driving the cam 54, and energizes an electromagnet 53 to open a valve 52 and deliver plastic bronze from the heated crucible. When a predetermined weight has been poured, the spring 59 yields, the switch 61 thereby being actuated to close the valve 52 and to initiate the rotation of the cam 54, the tray thus being lowered into a cooling trough 58. A crucible for delivering a measured volume of bronze has a chamber 71, Fig. 11, filled from a crucible 74 by opening a valve 69, the quantity contained in the chamber 71 then being discharged by a valve 72.
Patent GB-422567-A (GB)
Title: Improvements in methods of and apparatus for refrigerating
IPC: F25D3/12
Filed: 1933-07-15
Abstract: 422,567. Refrigerator - cars. SOC. ANON. ASTERIA, Via Bettinelli, Castellanza, Italy. July 15, 1933, No. 20071. Convention date, Jan. 31. [Class 29] The temperature within a refrigerator chamber, e.g. the body of a vehicle, is regulated by a series of heat-conducting bars bl .. b<8>, Figs. 3, 5, adapted to be engaged individually by rods Z projecting outside the chamber with a Vee-groove W in a metal plate M in a chamber F, Fig. 1, upon which rests a block of refrigerant I, e.g. solid carbon dioxide. The refrigerant vapour may be passed into the refrigerator chamber through a valved-pipe P or, alternatively, through the heat insulation of the chamber or pipes passing therethrough. Where the chamber is formed with hollow walls the vapour may be passed through such walls. The bars may be insulated at the places where they enter the refrigerator chamber and means provided for forming frost or ice on the lower parts of the walls of the chamber. The bars may be operated by thermostatic means.
Patent GB-459723-A (GB)
Title: Improvements in or relating to thermionic valve amplifiers
IPC: H03F3/36
Filed: 1935-07-13
Abstract: 459,723. Valve amplifying circuits. LANCE, T. M. C., 58, Victoria Street, Westminster, WILLANS, P. W., 31, High Holborn, London, and BAIRD TELEVISION, Ltd., 58, Victoria Street, Westminster. July 13, 1935, No. 20075. [Classes 40 (iii) and 40 (v)] Signals are impressed on the common input of a plurality of amplifiers 2, 4, each amplifying different ranges of frequencies and the outputs are recombined. The amplifier 4 amplifies the higher frequencies, and the amplifier 2, which amplifies the lower frequencies (including direct current), is preceded by a device 1 which modulates a carrier wave and is succeeded by a rectifier 3. The amplifier 4 has a resistance - capacity coupling C<1> R<1>, and has an amplification characteristic corresponding with the expression (1 +jKw)<-1>. The amplifier 2 has a tuned circuit, which is designed to give an amplification characteristic corresponding with the expression (1+ 1/jK<1>w)<-1>. According to a modification, the amplifier 2 incorporates a combination of resistance and capacity, which attenuates higher frequencies, and the resistance-capacity coupling C<1>R<1> attenuates lower frequencies, and the time constants of the two resistance-capacity combinations are equal.
Patent GB-1329622-A (GB)
Title: Treatment of a sulphite-containing solution to produce elemental  sulphur
Inventor: URBAN P
IPC: C01B17/02
Filed: 1971-04-19
Abstract: 1329622 Production of sulphur from sulphite solutions UNIVERSAL OIL PRODUCTS CO 19 April 1971 [22 Jan 1970] 20121/71 Heading C1A A sulphite-containing aqueous solution is treated to produce elemental sulphur while minimizing sulphate by-products by a method which comprises the steps of (a) Contacting the sulphite solution with a reducing agent selected from finely divided sulphur, polysulphide compounds, water soluble sulphide compounds and mixtures of two or more thereof, at thiosulphate production conditions to form a thiosulphate-containing effluent stream; (b) Reacting the effluent stream from step (a) with a water-soluble sulphide compound at reduction conditions selected to result in an effluent stream containing a polysulphide compound ; and (c) Subjecting at least a portion of the effluent stream from step (b) to polysulphide decomposition conditions effective to form elemental sulphur, a sulphide compound and a treated aqueous stream. The reducing agent used in step (a) may be at least a portion of the elemental sulphur recovered in step (c) or a portion of the polysulphide compound produced in step (b) and the water soluble sulphide compound used in step (b) is preferably at least a portion of the sulphide compound produced in step (c). Preferably the sulphite is ammonium sulphite and the water soluble sulphide compound in step (b) is either hydrogen sulphide or ammonium hydrosulphide. The thiosulphate production conditions utilized in step (a) are a temperature of from 20‹ to 150‹ C., a pressure sufficient to maintain the sulphite solution in the liquid phase and a contact time of 0À05 to 1 hour; the reduction conditions utilized in step (b) are a temperature of about 100‹ to 370‹ C. and generally a pressure of from about 7À8 to 341 atm. and a contact time of 0À01 to 1 hour. The preferred polysulphide decomposition procedure involves a temperature of about 100‹ to 200‹ C. and a pressure of about atmospheric to 6À1 atm. Generally the polysulphide decomposition reaction can be conducted in a distillation zone wherein H 2 S is stripped from the polysulphide solution with the aid of a suitable gas stream such as steam, carbon dioxide or nitrogen.
Patent GB-670305-A (GB)
Title: Improvements in or relating to adjustable inductive electric windings and contact devices therefor
IPC: H01F29/06
Filed: 1949-08-02
Abstract: 670,305. Collectors. HENNIKER, R. C. Nov. 1, 1950 [Aug. 2, 1949], No. 20145/49. Class 38 (i). [Also in Group XXXV] In an adjustable inductive winding of the type wherein a contact device is moved to contact a selected turn, in order to avoid heating of a short-circuited coil in bridging two turns, the contact device comprises two or more contact-members insulated from one another and connected by a coil of wire coaxial with the main winding. The contact-members may comprise metal plates, one edge of each of which contacts the winding and each of a thickness such that it cannot contact more than one turn of the winding at a time. The spacing between adjacent plates may be narrower than the contact surface of a single turn of the winding or it may be such that the plates bridge a number of turns. The contact-device may be mounted on slide rails, or, if the winding is wound on a ring- type former, on an arm rotatable about a central spindle. The coil connecting the contact-members may be mounted loosely around the main winding so as to move with the contact device or it may be wound on and at one end of the core of the main winding, the contact device in this case running on slide rails through which contact is made to the coil. The connection to the external load is made from the mid-point of the coil. Where more than two contact-members, say four, are employed, each pair is connected by a coil, the two mid-points of which may be connected by a further coil from the mid-point of which the external connection is taken.
Patent GB-245181-A (GB)
Title: Improvements in wind musical instruments
IPC: G10D9/04
Filed: 1924-08-28
Abstract: 245,181. Revell, R. Aug. 28, 1924. Wood and like wind instruments.-The note-holes are formed as circumferential slots b or annular or part-annular perforations arranged round the bore of the instrument, and are closed by sleeves c which slide on the body a, and are operated by keys e fulcrumed at f and having arms g connected by links h to the sleeves. The sleeve and body are provided with conical or other abutment surfaces having a pad of felt as d interposed. On a metal body, integral fins may be provided to assist in dissipating heat ; and according to the Provisional Specification, where the body is made of iron or steel it may be covered with gold or copper for a similar purpose and as a preservative factor.
Patent GB-1143719-A (GB)
Title: Bristle magazine for brushmaking machine
Inventor: CARLSON JOHN INDUS
IPC: A46D3/06
Filed: 1967-05-02
Abstract: 1,143,719. Brush-making machines. CARLSON TOOL & MACHINE CO. 2 May, 1967 [27 June, 1966], No. 20331/67. Heading A4K. In supplying bristles to the picker bar 17 of a brush-making machine, from a magazine having a neck 30 of standard width and a body 22 of increased width and capacity, uniform movement through the neck may be ensured by mechanically promoting the flow of bristles across the transition region between the body and neck. Chains 78, extending through slots (83a and 83b) in wall 26 are driven, by means of a slipping clutch, to move at the same rate as the bristles 12. Bar 54 may be reciprocated, by piston and cylinder 48, to promote lateral feeding of the bristles. The hinged front wall (32) of the magazine is transparent.
Patent GB-953457-A (GB)
Title: Process for stabilizing polysiloxanes
Filed: 1960-06-09
Abstract: Non-crosslinked organopolysiloxanes are stabilized (against depolymerization at elevated temperatures) by mixing with a powdered amphoteric hydroxide of Zn, Fe, Al or Be, preferably in amount of from 1 to 5% by weight of the siloxane. In examples, dimethylpolysiloxane is stabilized by milling with powdered (1) Al(OH)3, (2) Zn(OH)2, and (3, 4) AlO(OH). Methylvinyl-, diphenyl- and methylphenyl-siloxanes are also specified.  Specification 792,580 is referred to.