baber/WOPTO huggingface dataset:
Patent GB-215941-A (GB)
Title: Improvements in and relating to fans
IPC: F04D29/36
Filed: 1923-04-26
Abstract: 215,941. Walster, J., and Walster, E. April 26, 1923. Cooling motors and radiators, air blast for.- The engines of automobiles are cooled by means of fans with blades having devices under the control of the driver for adjusting the pitch of the blades while running. In one form of fan the shank of each blade has a quick screw-threaded mounting in a boss 1, and the inner ends of the shanks are kept in contact with a conical part 16 by a spring 7. The part 16 is revolublv mounted on a non-rotating rod 14 which can be moved axially by parts 18, 19, 20 and the axial movement causes a radial movement of the fan blades and a consequent turning of the blades about their axis. In a second form, the blades are furnished with toothed pinions meshing with racks carried by a part rotating with the fan and moved axially by a control rod. The lever 18 is adjustable by means of a handwheel and screwed spindle or a Bowden wire may be used. The fan may be used in connection with both air and water cooled engines of motor-cars. Specifications 4472/90 and 2145/02, [both in Class 8, Air and Gases. Compressing &c.], are referred to.
Patent GB-676012-A (GB)
Title: Improved ledger posting tray
IPC: B42F17/02
Filed: 1949-04-28
Abstract: 676,012. Filing papers &c. ELBOGEN, H. H. April 27, 1950 [April 28, 1949], No. 11337/49. Class 146 (i). In a posting or card index tray a having loose card-supporting plates c located by lugs c' engaging in slots or grooves of the base of the tray, the plates c can be inserted parallel to either the longer or shorter edge of the tray. As shown in Fig. 3, the slots are cross-shaped and those of each row are in staggered disposition in relation to those in each adjacent row. A plate which has lugs to fit the slots of row f will fit row f<SP>1</SP> on being reversed.
Patent GB-551721-A (GB)
Title: Mechanical scoop or shovel apparatus
IPC: E02F3/42
Filed: 1941-09-06
Abstract: 551,721. Mechanical shovels. HENDERSON, W. M. Sept. 6, 1941, No. 11418. [Class 68 (i)] A mechanical shovel comprises a carrier 1, such as a motor truck, carrying a jib 3, pivoted at 4, a scoop 5 being pivoted at 6 on the free end of the jib and having an arm 10 connected by a rope 8 to a winch 7 which may be driven by the engine of the truck and mounted as shown or above the engine. At the beginning of a cycle of operations, the jib is held in vertical position by a catch 11, and the scoop is held by a catch 12. On releasing the catch 11, the jib and scoop descend by gravity into digging position. The catch 12 is then released by lever 12a, and on operation of the winch, the scoop is first rocked about its pivot 6 to take up a load, and the jib is then lifted; during the lifting, the scoop begins to dump, through its open rear end, into a tipping &c. body 2 of the truck, or on to a conveyer &c. When the jib reaches the vertical postion against a stop 14, it is locked by the catch 11, and the scoop completes its pivotal, dumping movement, at the end of which the arm 10 engages a lever 15 to free the winch clutch and the scoop returns by gravity to a position in which it is locked by the catch 12. Braking means may be provided to check the swinging movement of the jib. Specifications 16049/13, [Class 68 (i)], 513,264 and 520,292 are referred to.
Patent GB-605459-A (GB)
Title: Multiple-course radio beacon
IPC: G01S1/02
Filed: 1945-05-04
Abstract: 605,459. Directive radio systems. STANDARD TELEPHONES & CABLES, Ltd. May 4, 1945, No. 11453. Convention date, June 12, 1944. [Class 40 (vii)] A radio beacon defining a plurality of course lines, transmits two sets of pulses, the pulses of one set being regularly timed and radiated omnidirectionally and the pulses of the other set being radiated successively along each of the courses and being variably timed in a manner dependent upon the direction in which they are radiated, so that the course line on which a receiver is situated may be determined by the phase difference between the two sets of pulses. A control signal from the circuit 3, Fig. 1, controls the production at 4 of saw-tooth pulses 4a which are modulated on to a carrier wave and radiated omnidirectionally from the aerial 11. The control signal, after passing through the variable delay circuit 6, also controls the production at 7 of pulses 7a which are radiated from the directional aerial 12 which is rotated step-by-step, the variable delay 6 being also varied in a corresponding manner. The pulses are received at 17 and passed to a discriminating circuit 18 which separates the pulses of the two types and applies them to an indicator 19. Alternatively, the pulses of the two kinds may be used to establish rectangular pulses having a length equal to the separation between the pulses, these rectangular pulses being then applied to a meter calibrated to indicate the course directly. In the receiver illustrated in Fig. 5 the pulses are separated by the diodes 24, 25, the pulses passed by diode 24 being used to generate a circular time-base on a cathode-ray tube and the pulses passed by the diode 25 being applied to a deflection electrode, so that the relative phases of the two sets of pulses may be indicated. It is stated that other methods of distinguishing the two sets of pulses may be used, for example, the pulses may be of different width. According to the Specification as open to inspection under Sect. 91 of the Acts, the rotation of the aerial 12 and the corresponding variation of the delay may be made continuous instead of having the stepped characteristic as described in the Specification as accepted.
Patent GB-180988-A (GB)
Title: An improved process for the recovery of the ethylene contained in industrial gases, for the manufacture of alcohol or ether
IPC: C07C305/06
Filed: 1922-04-24
Abstract: 180,988. Damiens, A. A. L. J., Loisy, M. C. J. E. de, and Piette, O. J. G. June 2, 1921, [Convention date]. Addition to 152,495. Ethyl hydrogen sulphate; ethyl alcohol; ether.-Ethylene is removed from. industrial gases by passing them through warm concentrated sulphuric acid maintained at a temperature not exceeding 40-50‹ C. and containing as catalyzing material a lower oxide or salt of a metal possessing more than one valency, viz., iron, cobalt, nickel, cerium, manganese, chromium, copper, lead, mercury, titanium or tin; the resulting ethyl hydrogen sulphate s then hydrolyzed in the known manner to produce alcohol or ether. Ferrous sulphate, cuprous chloride, copper sub-oxide and cuprous sulphate are specifically mentioned as catalysts; higher oxides and salts of the metals may be employed, provided that a reducing substance be present. The catalysts are insoluble in the sulphuric acid and are recovered from the product for re-use. The industrial gases referred to comprise natural gas, coke oven gas, illuminating gas, gases obtained by cracking oils, schist gases and synthetic ethylenes; preferably they are first freed from benzol, ammonia, water, sulphur compounds, acetylene hydrocarbons and ethylene homologues. An example is'given of the recovery of ethylene from illuminating gas by passing the purified gas through a column con. taining pumice in which circulates sulphuric acid of 66‹ BÞ containing four per cent of copper sub-oxide and maintained at a temperature of 35-40‹ C.
Patent GB-829562-A (GB)
Title: Device for damping vibrations
IPC: B23Q11/00
Filed: 1956-04-16
Abstract: 829,562. Dynamic vibration dampers. ATELIERS G. S. P. GUILLEMIN-SERGOT-PEGARD. April 16, 1956 [April 15, 1955], No. 11490/56. Class 108(3) [Also in Group XXII] A vibration damper for a machine tool (see Group XXII) comprises a mass 5 pivotally connected at 3, 4, to the machine frame 2. Movement of the mass 5 is damped by bellows type liquid dashpots 8. The mass 5 may be adjusted by the addition of a mass 5a. A screw-up stop 13 permits the mass 5 to be secured rigidly. In a modification (Fig. 2, not shown), a rod carrying a mass at each end, is pivotally mounted on the machine at the centre of gravity of the combined rod and masses. One of the masses is connected to the machine by a dashpot.
Patent GB-383182-A (GB)
Title: Improvements in overalls and like garments
IPC: A41D1/08
Filed: 1932-04-22
Abstract: 383,182. Pantaloon overalls. MARSDEN, J., 17, Kingswood Road, Prestwich, and BENTLEY, J. A., Fern Bank, Church Lane, Whitefield, both in Lancashire. April 22, 1932, No. 11560. [Class 141.] Overall trousers for sports and other outdoor wear, made from weatherproof material, are provided with side openings which are closed by belt sections attached to the front parts, and after passing through loops in the back parts, interengage. As shown, belt sections g are attached to the respective front parts h of the garment and are threaded through loops e carried by tabs on the rear parts. The two ends of the belt sections are secured bv a buckle i. The legs of the overalls are wide, and press stud elements o, p may be provided.
Patent GB-1073773-A (GB)
Title: Improvements in and relating to electric supply and control apparatus
Inventor: WALTER GEORGE OSCAR
IPC: H02M7/155
Filed: 1963-03-25
Abstract: 1,073,773. Automatic control of current & voltage. AP. T. ELECTRONIC INDUSTRIES Ltd. March 25, 1964 [March 25, 1963], No. 11669/63. Heading G3R. A power supply apparatus comprises a source S of pulsating direct current and a thyristor SCR connected in series between the source S and a load R. A control voltage e applied to the gate of the thyristor has two components, a unidirectional reference component e1 and alternating component e2 having a frequency equal to twice the frequency of the A. C. supply voltage, i. e. the same frequency as the pulsating voltage across the thyristor SCR. The arrangement is such that the thyristor conducts during each cycle of the applied energy when the rising control voltage e reaches the output voltage V, this operation being described with reference to Figs. 2a and 2d (not shown). Thus the output of the apparatus may be controlled by varying the control voltage e either manually, or automatically by deriving the voltage e by means of a feedback circuit from the output voltage or current of the apparatus. The voltage e may be applied to the gate of the thyristor by way of a transistor Fig. 7 (not shown) or a blocking oscillator Fig. 8 (not shown). The apparatus may be associated with a conventional series voltage stabilizer and operated so that the voltage drop across the series regulating element is maintained at a constant permissible value Fig. 10 (not shown). An output smoothing capacitor is provided, and other filter arrangements are described with reference to Figs. 3 to 7 (not shown).
Patent GB-1176105-A (GB)
Title: Apparatus for Crimping Electrical Connectors to Wires.
IPC: H01R43/042
Filed: 1968-03-11
Abstract: 1,176,105. Making electrical connections; Jointing by stamping; shearing. AMP Inc. 11 March, 1968 [22 March, 1967; 7 July, 1967], No. 11674/68. Headings B3A, B3Q and B3W. [Also in Division H2] The apparatus is identical with that described in Specification 1,176,104 but the claims relate to the conveyer which intermittently feeds the connectors to the crimping dies. The description does not include the welding electrodes as an alternative to the crimping dies. Reference has been directed by the Comptroller to Specification 1,102,949.
Patent GB-1030470-A (GB)
Title: Improvements in and relating to tea drying machines
Inventor: RIDLER WILLIAM FREDERICK ALLAN
IPC: F26B15/14
Filed: 1965-03-19
Abstract: 1,030,470. Endless conveyers. MARSHALL'S TEA MACHINERY CO. Ltd. March 19, 1965, No. 11680/65. Heading B8A. [Also in Division F4] Endless conveyers for drying tea comprise pivoted trays 1, Fig. 1, supported between endless, spaced-apart chains (not shown) passing around pinions 2 and 3, which trays carry the tea on both the upper and lower flights. Each tray comprises a plane, rectangular, perforated sheet of metal 4, Fig. 3, with end blocks formed of parts 5a, 5b on opposite sides of the sheet at either edge, the parts 5a on the lower surface providing a bearing 8 for a pivot pin 9 by which the tray is secured to the chain and along which strengthening shoes 6 are spacedly mounted. In operation, the parts 5a of the pivoted plates are engaged by a support rail 10 so that adjacent sheets 4 overlap until immediately in front of the pinion 2 at the point 11 and similarly a bottom guide rail 14 bears the parts 5b to a point 15 prior to the pinion 3.
Patent GB-700446-A (GB)
Title: Refrigerator cabinet door structure
IPC: F25D23/08
Filed: 1952-05-08
Abstract: 700,446. Refrigerator doors. MOTOR PRODUCTS CORPORATION. May 8, 1952 [July 16, 1951], No. 11689/52. Class 29 A refrigerator cabinet door comprises outer and inner panels 10. 11, the peripheral portion 15 of the latter being secured by screws 20 to an inwardly turned flange 13, 14 of the former and the corners being reinforced by L-shaped brackets 37 fixed behind the flange 13 and formed with reset parts 43 which serve to accommodate one part 33 of the door hinge 31 secured by screws 45. The flange 13 is also reset at the hinges and brackets 37 are flanged at 38 to fit with flange 14. The brackets 37 are symmetrically formed so that it matters not which is fitted at the hinge side of the door. They have locating parts 48<SP>1</SP> which engage-depressions in the flange 13 to facilitate assembly. A sealing strip 21 is secured between the parts 13 and 15 Along the bottom of the door, a plate 16 having a flange 19 is secured to flange 13 and the part 15 is screwed to this plate.
Patent GB-194585-A (GB)
Title: Improvements in electric switches
IPC: H01H23/12
Filed: 1922-04-26
Abstract: 194,585. Lundberg, A. P., Lundberg, G. C., Lundberg, P. A., and Pegg, G. April 26, 1922. Switches, quick-action; contacts.-An intermediate tumbler switch or switch of the linked double two-way type comprises a pivotallymounted tumbler-actuated contact-member with two pairs of knife or like contacts 6, 6a and 7, 7a each pair constituting an integral body insulated from the other. Four pairs of fixed contacts are arranged in two sets each of two pairs 8, 8<a>, 9, 9<a> and 10, 10<a>, 11, 11<a>, the pair 8, 8<a> being vertically over the pair 9, 9<a> and the pair 10, 10<a> vertically over the pair 11, 11<a>, pairs of contacts 8, 9, 10, 11, 8<a>, 10<a>, and 9<a>, 11<a> being connected together. Contacts 8, 9 are carried by a terminal post 12 with which they are in electrical connection contacts 10, 11 are similarly carried by the post 13. Contacts 8<a>, 9<a> are carried by the post 14, the former being insulated from the post; similarly contacts 10<a>, 11<a> are carried by post 15, terminal 10<a> being insulated therefrom. Bonding straps 16, 17 complete the interconnections. A spring produces a quick action.
Patent GB-821820-A (GB)
Title: Isolation and purification of the antibiotic novobiocin
IPC: C07H17/075
Filed: 1956-04-18
Abstract: Novobiocin (cathomycin) is isolated by acidifying an alkaline solution, e.g. a filtered broth of pH 9.0 with, e.g., an hydrohalic acid such as hydrochloric acid at, e.g. 2.0 and recovering the precipitated antibiotic, preferably by filtering with a filler aid. The impure novobiocin may be further purified by dissolving in an aqueous organic solvent, e.g. methanol, removing the organic solvent, adjusting the pH of the aqueous residue to, e.g., pH 9.0, and extracting with butanol.  The solid obtained after the removal of the butanol is further purfied by washing with petroleum ether. Alternatively, or in addition, a solution of crude novobiocin in a solvent is treated with acid washed alumina to remove impurities.  It is preferred to use a column of alumina and to pass a solution of novobiocin in ethanol down the column which is then washed with ethanol.  The effluent is concentrated and novobiocin precipitated by the addition of water.  The precipitate is dissolved in anhydous acetone, treated with carbon, filtered and precipitated by the addition of petroleum ether.
Patent GB-1426567-A (GB)
Title: Process for obtaining hydrogen chloride and magnesium oxide
IPC: C01F5/10
Filed: 1973-03-12
Abstract: 1426567 Magnesium oxide chloride CHEMIEANLAGENBAU - UND MONTAGEKOMBINAT LEIPZIG VEB 12 March 1973 11815/73 Heading C1A MgO and HCl are produced by thermal decomposition of MgCl 2  in a continuous process in a current containing steam and more than 50% by volume HCl which has been pre-heated to above 900‹ C., the decomposition being effected at 600-2000‹ C. Part of the gaseous products after separation of the MgO may be used to dehydrate the MgCl 2 , then reheated by heat exchange with the remainder of the gaseous products and then re-cycled. Sintered MgO may be produced by feeding the MgCl 2  in countercurrent to the gas. The product gases may be dried with MgCl 2  solution.
Patent GB-650393-A (GB)
Title: Compressor, pump and like apparatus
IPC: F04D17/16
Filed: 1948-04-30
Abstract: 650,393. Centrifugal pumps and compressors. BOWEN W. S. April 30, 1948, No. 11948. [Class 110(i)] A rotor for a pump, compressor or the like comprises a converging portion near the axis, an intermediate throat portion, and a diverging discharge portion. Each rotor of a two-stage compressor, Fig. 1, comprises discs 21, 22, 23, 24 which are dished to provide two Venturi passages for the fluid. Side discs 20, 25 are formed with labyrinth rings 40 which co-operate with similar stationary rings 39. Each rotor is followed by a Venturi stator p a s s a g e formed between walls 34, 35, and the discharge is by way of an annular passage 16. Oil and water may be injected through nozzles 37a and 38a, respectively. In the compressor shown in Fig. 2, the Venturi rotor passages are each formed by a converging part 48 and a diverging part 50 which leads the fluid inwardly towards a stator passage 53.
Patent GB-949070-A (GB)
Title: Improvements in or relating to glandless centrifugal pumps for liquids with built-inelectric motor
IPC: H02K5/128
Filed: 1961-04-04
Abstract: 949,070. Electric motors. H. MOSER. April 4, 1961, No. 11955/61. Addition to 914,912. Heading H2A. [Also in Division F1] In those embodiments of glandless centrifugal motor-pump unit described in the parent Specification in which the motor-side bearing is remote from the impeller (i.e. not between the rotor and impeller) so that the motor end bearing cannot prevent escape of liquid when the stator is removed, resilient sealing rings are provided for this purpose. The motor end bearing consists of a stainless-steel radial and thrust bearing surface 9 carried in the motor end-cover 6 and in which rotates a carbon rotor bearing member 10 located on a boss 11a of the rotor end-cap by a resilient ring 11b. Similarly, the pump side bearing comprises a carbon bush resiliently supported in a ring 18a and engaging radial and thrust surfaces on the impeller 17. Both of these bearings are lubricated by being between high and low pressure sides of the impeller. The stator is located by a screwed rod 16 passing through the hollow rotor shaft 15, and may be removed by unscrewing a cap-nut 7, and withdrawing the end-cover 6 and bearing surface 9. This would normally allow escape of liquid between stator and rotor sleeves 14, 13 from the highpressure side, and between rod 16 and tube 15 from the low-pressure side. According to the invention, the former path is sealed by a resilient ring 24 carried by the impeller and abutting a flange 2c when the rotor is axially displaced on removal of bearing 9 by the hydrostatic pressure in the system (or otherwise), and simultaneously the hollow shaft 15 abuts a sealing ring 25 on the rod 16 to seal the other path. The rotor sleeve 13 extends to the impeller and is of copper, while the stator sleeve 13 is of stainless-steel.
Patent GB-1459672-A (GB)
Title: Signal duration sensitive circuit
IPC: H03K5/153
Filed: 1974-03-19
Abstract: 1459672 Pulse duration discriminator RCA CORPORATION 19 March 1974 [23 March 1973] 12036/74 Heading H3T A circuit for detecting whether a signal E persists for more than a given duration T comprises a first store FF1 set in accordance with the signal upon receipt of a sampling pulse Q and a second store FF2 to which the content of the first store is transferred by a shift pulse P occurring at a delay T following the end of the sampling pulse and a feedback path from FF2 to FF1 to prevent FF1 responding to signal changes if they occur before the expiry of T. In the circuit shown, the effect of the feedback during the period T is to restore the first stage to its condition prior to sampling pulse if the input signal changes the first store during the sampling pulse but does not hold it there until the shift pulse occurs. The connections shown dotted increase the noise immunity. The presence of a signal at S allows the input signal to pass straight through to the output terminals.
Patent GB-1151171-A (GB)
Title: Improvements in and relating to Lock Mechanisms
IPC: F16D71/04
Filed: 1967-03-15
Abstract: 1,151,171. Screen-printing apparatus. INTERNATIONAL BUSINESS MACHINES CORP. 15 March, 1967 [18 March, 1966], No. 12128/67. Heading B6C. [Also in Division F2] In a lock mechanism (see Division F2) for a revolving carrier 32 holding six workpiece holders 33 of a screen printing apparatus, a detent engagement means formed by a locator detent contact surface 81 and a locking detent contact surface 82 is adapted to be engaged by a longitudinally slidable locator detent 83 having a positioning surface 85, the lock mechanism including a lug 86 for limiting longitudinal movement of the locator detent, a longitudinally slidable locking detent 88 having a wedging surface 89 adapted to selectively contact the locking detent contact surface 82, support means 84 for slidably supporting the locator detent 83 and the locking detent 88 and detent actuating means (not shown) acting through a cross bar 94 to urge the locator detent 83 into engagement with the locator detent contact surface 81 in an advance of moving the locking detent 88 into wedging engagement with the locking detent contact surface 82. The wedging surface 89 is inclined at a greater angle (5 degrees) relative to the longitudinal axis of the locking detent 88 than the positional surface 85 relative to the axis of the locator detent 83 (3 degrees) the detents 83, 88 are received in hardened steel inserts 80 provided in the revolving carrier 32. Spring-biased ball bearing assemblies 95-100 are provided at each end of the locator detent 83 and the locking detent 88. Springs 92 are located against slide elements 91 associated with the cross bar 94 and the length of the locator detent 83 is greater than the length of the locking detent 88 such that the locator detent 83 comes into engagement with the detent abutment means in advance of moving the locking detent 88 into wedging engagement with the locking detent contact surface 82 by this means as the cross bar 94 is advanced, spring 92 in the detent 83 is compressed while spring 92 in the detent 88 is not because the detent 88 has not encountered any significant opposition. As the advancing movement of the cross bar 94 continues the wedging surface 89 will come into wedging contact with the contact surface 82 on the insert 80 to urge the surface 81 of the insert 80 against the surface 85 of the detent 83 so that both detents are firmly placed in engagement with the respective surfaces of inserts 80 to ensure accurate positioning of the carrier 32 in the index position.