baber/WOPTO huggingface dataset:
Patent GB-268860-A (GB)
Title: Improvements relating to aerial ropeways
IPC: B61B7/00
Filed: 1925-01-04
Abstract: 268,860. Main, G. A. Jan. 4, 1926. Rope railways, used for the delivery of material in building dams, &c., are suspended from high level cables and are raised as the work progresses. The ropeway supports 4 are suspended by falls 3 from cradles 2 carried by parallel pairs of cable groups 1, the falls being adjustable through a substantial range, such as by a winch 5. The girder 4 carries at each end a rope track 6 and hauling rope 7. The supports of parallel ropeways may be tied by ropes 10.
Patent GB-667253-A (GB)
Title: Improvements in or relating to windscreen wipers
IPC: B60S1/38
Filed: 1950-01-04
Abstract: 667,253. Windscreen cleaners. TRICO PRODUCTS CORPORATION. Jan. 4, 1950 [Jan. 8, 1949], No. 238/50. Class 138 (i). A windscreen wiper comprises an elongated flexible 'squeegee blade unit and a holder unit therefor attachable to an actuating arm, in which the holder unit comprises a pressure distribuing yoke connected to the squeegee at longitudinally spaced points and other pressure distributing members resiliently and yieldably support the squeegee from the yoke at other longitudinally spaced points. In the embodiment shown in Fig. 1 a yoke 8, connected by a clip 7 to an actuating arm 3, is connected at its opposite ends to a rubber wiper blade 16, by means of blade-straddling ears 20, formed on the yoke ends and provided with slots or seats 19 to pivotally and loosely engage lugs 18 extending from the opposite margin of a blade backing strip 17 of light spring metal. Pivoted at 11 to the yoke are rigid links 10 which pivotally and loosely engage at their free ends with other lugs 18 on the strip 17, these ends also being provided with ears 20 and slots 19. Flat springs 13 each anchored at one end at 14 and engaging at their opposite ends in apertures 15 in the links 10 press upon each link and thereby place a resilient urge on the underlying blade portion. The two springs for both levers may comprise but a single spring as shown in Fig. 1. The blade unit 16, 17, may be slidably engaged or disengaged from the holder unit by relative longitudinal movement between the blade and the holder. The blade is secured in engagement with the holder by means of a latch pin 21, Fig. 4, yieldably projecting through the backing strip 17 which engages in a recess 22 formed in a flange 23 turned under one end of the yoke 8. The blade may be detached from the holder by depressing the pin 21 by means of a tool inserted through an opening 24 in the yoke and then sliding the blade longitudinally relatively to the holder. In another embodiment the yoke 8 is relatively shorter than that of the first embodiment and the links pivoted thereto extend outwardly beyond the ends of the yoke so that the yoke supporting points are between the link supporting points.
Patent GB-671345-A (GB)
Title: Improvements in or relating to internal shoe-drum brakes for vehicles
IPC: F16D51/14
Filed: 1949-01-05
Abstract: 671,345. Piston packings. BIRCHFIELD, R. R. Jan. 5, 1949, No. 305/49. Class 122(i) [Also in Group XXXIV] The piston of the fluid pressure actuator of an internal shoe drum brake comprises a packing element 23 of rubber-like material, that may be adjustably compressed to alter its tightness in the cylinder 1 by means of a screwed nut 16 which exerts a downward force on the member 11. The nut 16 may be adjusted by inserting a screwdriver bit B through a hole 5 in the side of the cylinder 1.
Patent GB-1169581-A (GB)
Title: Protective Device Responsive to the Level and Velocity of Liquids
IPC: H02H5/08
Filed: 1967-01-03
Abstract: 1,169,581. Fluid actuation of switches. RAIONNOE ENERGETICHESKOE UPRAVLENIE " CHELYABENERGO." 3 Jan., 1967 [3 Jan., 1966], No. 366/67. Heading H1N. A protective device for liquid immersed electrical apparatus, e.g. oil-filled transformers, and responsive to predetermined values in the level and velocity of the liquid respectively includes an aluminium cup 1 pivoted about a shaft 3 and containing a holder 4 for a vane 9 pivoted about a shaft 5, the holder being maintained upright by spring 10. When the liquid in the housing is emptied, liquid remaining in cup 1 pivots the latter till its side wall abuts a lug 15, so causing holder 4 to rotate and close contacts 7, 14. When the liquid flow velocity reaches the predetermined value, the surge rotates the van 9 to close contacts 7, 14, cup 1 remaining stationary.
Patent GB-424598-A (GB)
Title: Improvements in or relating to rectifier circuits
IPC: H02M1/14
Filed: 1934-01-05
Abstract: 424,598. Converting. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and BLIGH, N. R., c/o General Electric Co., Wembley, Middlesex. Jan. 5, 1934, No. 450. [Class 38 (ii)] [See also Group XL] In an arrangement for obtaining substantially steady D.C. from a source of pulsating current, e.g. the output from a rectifier R, the arrangement comprising a series choke L1, provision is made for obtaining a substantially steady voltage differing from the potential of either of the main output terminals by taking a tapping from the input side of the choke L through a choke L2 which is inductively coupled to the choke L1 in such manner that the pulsating current in the latter introduces a compensating voltage ripple in the choke L2. The load W on the main smoothing circuit may be the plate circuit of a thermionic amplifier and the potential derived through the choke L2 may be used as a grid biassing voltage. In this case the coupling between the two chokes may be such that a small ripple remains in the biassing voltage which may be used to neutralize the effect of residual ripple in the plate supply. Specification 294,250, [Class 40 (v)], is referred to.
Patent GB-554665-A (GB)
Title: Improvements in or relating to co-axial oppositely rotating airscrews
IPC: B64C11/30
Filed: 1942-01-12
Abstract: 554,665. Screw propellers. BRISTOL AEROPLANE CO., Ltd., and PRICE, P. R Jan. 12, 1942, No. 456. [Class 114] In hand-controlled pitch-varying mechanism for oppositely rotating propellers arranged in tandem, pitch-changing movements are transmitted to the normally stationary planet-carrier of a differential gear located between the propellers, so that the pitchchanging motor may be normally at rest. The propellers are driven by co-axial shafts 11, 12, and sunwheels 24, 30, carried by sleeves rotatable on one shaft 11, are secured by their sleeves to the two hubs 13, 16, so as to turn therewith in opposite directions. On opposite sides of the sun-wheels 24, 30 are two pitch-varying sun-wheels 23, 31, the sleeves of which are connected by gears 20, 34 to worm-gearing 15, 18 for adjusting the blades of the two propellers. Planet-wheels 36, 39, which are geared together so as to turn in opposite, directions, connect the sunwheels 23, 30, and a second set of planet-wheels on the same planet-carrier 40 connects the sun-wheels 24, 31. The planet-wheels thus couple the hubdriven sun-wheel of one propeller to the pitchvarying sun-wheel of the other propeller. The planet-carrier, which can turn about the propellershaft 11, but is normally stationary, has integral with it a sun-wheel 42, which receives pitch-changing movements from a gear-wheel 43 mounted on a shaft 44, which passes through the propeller-hub 16 and carries at its rear end a gear 45 meshing with a sun-wheel 46 rotatable about the propeller-shaft 12. The gears 43, 45 normally have a planetary movement around the propeller-shafts, but the sun-wheels 42, 46 are stationary. The sun-wheels 46 is integral with a larger gear 47, which receives pitch-varying movements from a pinion 62. The pinion 62 may be turned either by a reversible motor to give a slow pitch change, or by one of two oppositely rotating clutch-plates geared to the propeller-shaft 12, when a quick adjustment is required, as in reversing. Alternatively, the movement of the planet-carrier may be effected by two hydraulic pumps, the throttling of one of which causes the carrier to rotate in one or the other direction.
Patent GB-192576-A (GB)
Title: Improvements in bodies for use on motor vehicles
IPC: B60J7/10
Filed: 1922-01-07
Abstract: 192,576. Vulcan Motor & Engineering Co. (1906), Ltd., and Wardman, C. B. Jan. 7,1922. Hoods and opening tops. -An all-weather body for a motor vehicle comprises a non-collapsable rear quarter pivoted to the vehicle and carrying a roll-up canopy, canopy rails detachably secured thereto and extending to the wind-screen, and windows fitting between the rails and the body sides. The non-collapsable canopy B is housed in a recess A<2> behind the rear seats, the walls A<4> at the top of the .recess being free at their front ends and provided with rubber strips to give a watertight joint. The pivots of the segmental canopy B pass through slots in the walls A<4> and the canopy is moved slightly to the rear after raising to allow a tongue B<5>, Fig. 4, thereon to engage between a moulding A<9> and the back rail A<10>. The side rails D are attached to the canopy B by dove-tails. and a screwed stud having a nut and locking tongue. The rails D may be housed behind the step valance A<11>. The canopy C is normally rolled up at the front of the canopy B. Bows C<2> may be provided, supported by telescopic sticks A<12>. The windows may slide in the body sides or be removable and housed in a case A<13>. The door windows may slide side-ways, part of the inside door channel being omitted to allow the doors to open when the windows have been so moved. The pivotal studs for the canopy B may alternatively be carried by pivoted links with limited travel.
Patent GB-230581-A (GB)
Title: An improvement in or relating to cross-border motions for loom dobbies
IPC: D03C1/36
Filed: 1924-01-09
Abstract: 230,581. Place, R. H., and Place, J. H. Jan. 9, 1924. Dobbies.-In a dobby having a cross-border motion of the kind in which two pattern cylinders a, b mounted on an oscillating lever c are adapted to be brought into action alternately through the action of an indicator lever i controlled by a third pattern cylinder j actuated from a balk of the dobby, the T-lever e carries a tumbler lever m having two depending legs m<1>, m<2>, one or other of which, under control of a bowl-carrying lever g operated by the indicator lever i, is positioned with respect to an arm f<1> or f<2> of an inverted T-lever f fast on the shaft d of the lever c, whereby a downward movement of the T-lever e moves one of the cylinders into and the other out of operative position. The tumbler lever is weighted or controlled by a spring so that its leg m<1> tends to engage the arm f<1> unless it is rocked out of its path by the bowl g<1>. The legs of the tumbler move the arms f<1>, f<2> sufficiently to allow the motion to be completed by the usual positioning spring, so that no contact of the tumbler with the lever f takes place till the next change occurs.
Patent GB-558726-A (GB)
Title: Improvements in or relating to method of polishing copper, and electrolyte suitable for use in said method
IPC: C25F3/22
Filed: 1943-01-13
Abstract: 558,726. Electro-polishing copper. BATTELLE MEMORIAL INSTITUTE. Jan. 13, 1943, No. 648. Convention date, April 24, 1942. [Class 41] Copper is polished by being made the anode in a bath consisting of a concentrated aqueous solution of orthophosphoric acid (75 to 84 per cent) containing a small amount of trivalent aluminium (.25 to 2 per cent) to render the anodically dissolved copper recoverable by cathodic deposition. Trivalent chromium not exceeding 2 per cent and divalent copper from .5 to 1 per cent may be present. The bath temperature is maintained at 110 F. or over and a current density of at least 50 ampÞres per square foot (preferably 75 to 200) is employed.
Patent GB-1357703-A (GB)
Title: Commutation control for inverter circuit
IPC: H02M7/515
Filed: 1972-01-06
Abstract: 1357703 Inverters GENERAL ELECTRIC CO 6 Jan 1972 [24 Feb 1971] 704/72 Heading H2F [Also in Division H3]  An inverter of the type shown in Fig. 1 comprising two main converting thyristors 10, 12, two commutating thyristors 16, 18 associated with a commutating L-C branch 24, 26 adapted to supply A.C. to a load 32 from a D.C. source 14, is provided with a commutation control circuit, Fig. 3, which is adapted to gate one of the main converting thyristors when the commutation current decays to a certain value. A current transformer 46-46<SP>1</SP> provided in the L-C branch supplies A.C. to rectifying bridge 80, Fig. 3 which supplies a varying D.C. voltage proportional to the commutation current via resistors 96, 100 to the base 92 of a first transistor 94, a second transistor 112 having its base 126 coupled with the collector 129 of the first transistor so that when the first is conductive, the second is blocked and vice-versa. In operation, assuming thyristor 10 is "on", auxiliary thyristor 16 is then gated " on " and a commutation current builds up which is sensed at 46. When this reaches a predetermined value, transistor 94 is switched on and transistor 112 goes off thereby allowing the capacitor 124 to charge to the potential of the transistor supply terminal 104. When the commutation current decays to the critical value, transistor 94 goes " off " and transistor 112 goes " on " causing capacitor 124 to rapidly discharge to terminal 106, which discharging causes a momentary reduction in the potential on base 116 of a third normally conducting transistor 108, causing this to turn off momentarily whereby the potential at point 138 rapidly rises to pass a pulse along line 40 via AND gate 132 and amplifier 152 to turn on thyristor 12, the gate 132 being enabled at its other input in anticipation, the second gate 130 in line 38 associated with thyristor 10 being disabled during this commutation.
Patent GB-738487-A (GB)
Title: Improvements in or relating to the manufacture of moulded articles
Inventor: JACQUES PETER MAURICE
IPC: C08F20/12
Filed: 1952-01-10
Abstract: Moulded or shaped articles are made by partially polymerizing a mixture of monomers, of which when fully polymerized alone one is thermoplastic and the other is thermoset, to a sheet or block which is sufficiently rigid to be stored and handled and then shaping or moulding under heat and pressure whereby polymerization is completed to form a rigid infusible product. The two classes of monomers are exemplified by methyl, ethyl, propyl and isopropyl methacrylates and styrene; and allyl methacrylate.  More than one thermoplastic resin-forming monomer may be used.  In either of the two stages of the process heating may be wholly or partially replaced by high energy radiation, e.g. from a cobalt 60 source.  In the example a syrup made by heating a mixture of equal parts of methyl and allyl methacrylates with benzoyl peroxide is poured into a casting mould of spaced parallel glass plates and heated at 35 DEG  to 40 DEG  C. for 40 to 50 hours.  The rigid sheet formed is preheated at 95 DEG  to 105 DEG  C. and moulded or shaped under pressure at 150 DEG  C.  The process may be applied to the production of lenses and transparent domes for aircraft. Specifications 556,743, 585,576, [both in Group V], 585,580 and 610,962 are referred to.
Patent GB-758680-A (GB)
Title: Improved aromatization and naphtha reforming
IPC: C10G35/14
Filed: 1954-01-11
Abstract: <PICT:0758680/III/1> The regeneration of catalysts used in aromatizing hydrocarbons, boiling with the naphtha boiling range, by withdrawing from the reaction zone, burning off carbonaceous deposits with gas containing oxygen is characterized by passing to a purging zone where the catalysts are treated with a gasiform material, which may be at elevated pressure, containing hydrogen and at least 45 volume per cent of a normally gaseous hydrocarbon, whereby water is removed prior to the catalyst being returned to the reaction zone. Thus as in Fig. 1 the catalyst may be initially introduced into the side of the reactor 5 by pipe 4, withdrawn to oxidation vessel 20, and returned from purging vessel, 25.  The catalyst which may have a particle size distribution between 0 and 200 microns is generally alumina supported molybdena, chromia or a metal of the platinum group depending on whether naphthas are being hydroformed or paraffins being aromatized.  A modification of the purging treatment is first treating the catalyst with at least 50 volume per cent of hydrogen and then with a gasiform material contining 45-100 volume per cent of hydrocarbons, which may be carried out either in a separate treating zone or by initial treatment with hydrogen and then introduction of up to about 100 volume per cent of hydrocarbon gas.
Patent GB-988777-A (GB)
Title: Make switch for fast electrical discharge
Inventor: MARTIN JOHN CHRISTOPHER
IPC: H01J17/00
Filed: 1962-01-09
Abstract: 988,777. Discharge apparatus. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Jan. 4, 1963 [Jan. 9, 1962], No. 799/62. Heading H1X. [Also in Division H3] A switch, for establishing a conducting path between positive and negative electrodes, comprises a solid dielectric material adapted to be inserted between the electrodes, the material being provided with a channel which extends in a direction from one electrode to the other and terminates at a predetermined point within the material, the shape of the channel at the point being adapted to increase electrical stress thereat when electrical stress is applied to the material and to produce electrical breakdown of the material. As shown, Fig. 2, a plurality of channels are provided. The switch is preferably used in a strip transmission line 8, 9, Fig. 5, having an intermediate electrode 17 disposed between two sheets of dielectric material 1, 18 both having a plurality of channels 2, 19. In operation, electrode 17 is held at a potential intermediate that applied to electrodes 8, 9 such that the breakdown electrical field of the dielectric is not exceeded. By applying a transient pulse to electrode 17 of such strength that the gap between, e.g. electrodes 17, 8 is triggered, the increased stress now occurring between 17, 9 will be sufficient to trigger the gap between 17, 9, and a discharge will result between electrodes 8, 9. Electrode 17 is preferably connected by a lead having a sufficient inductance so that a small current flows therealong under the action of the discharge. Specification 988,778 is referred to.
Patent GB-546706-A (GB)
Title: Improvements in or relating to undercarriages for aircraft
IPC: B64C25/20
Filed: 1941-01-23
Abstract: 546,706. Aircraft landing gear. AERONAUTICAL & MECHANICAL INVENTIONS, Ltd. (Soc. d'Inventions Aeronautiques et Mecaniques S.I.A.M.). Jan. 23, 1941, No. 941. [Class 4] A retractable undercarriage operable by a hydraulic jack is provided with a compensating jack, associated with an accumulator, which resists retraction and stores up energy during the first portion of the retraction and afterwards operates with increasing effect to assist retraction. In one form a leg 11 braced by a jointed strut 14, 114 is retracted by a jack 15 acting between lugs on the struts 14, 114. A lever 20 on the leg occupies the position shown with respect to a compensating jack 18 when the leg is entended, but as the leg is retracted the jack 18 is at first compressed and afterwards becomes increasingly effective to assist the retraction of the leg. The jack 18 is oil filled and connected to an accumulator 116 with a compressed air chamber. The jack 15 is connected at its lower end alternatively to a pump or to exhaust and its upper end is connected to the accumulator 116. In another form the jack 18 occupies the position of the jack 15 in the arrangement just described, the main jack, which need not have an accumulator, acting between a fixed point and the strut 114. The upper end of the jack 18 may, alternatively, be connected to a fixed point. Specifications 503,789 and 518,414 are referred to. According to the Provisional Specification the compensating jack may be fully compressed when the undercarriage is down and assists retraction of the leg throughout the greater part of its movement.
Patent GB-1386184-A (GB)
Title: Taps
IPC: B23G7/02
Filed: 1973-01-08
Abstract: 1386184 Taps RESEARCH ENG & MFG Inc 8 Jan 1973 [10 Jan 1972] 996/73 Heading B3N A tap 10, Fig. 1, comprises a tapping section 12 and a drive tool-engaging section 14, said tapping section having a work entering end portion 15 and an adjacent working portion 16, said tapping section having a continuous rolltype thread 18 and having a cross-section of arcuate, polygonal lobular configuration with an odd number of arcuate sides 20, 22, 24 and intermediate circumferentially spaced arcuate lobes 32, 34, 36, the drive tool-engaging section having a similar cross-section with corresponding lobes and arcuate sides being parallel and coaxial. The thread on the work entering end portion may be a full thread or a thread that is not fully developed, portion 15a in Fig. 8. The thread may be continuous over the tap thus allowing two work entering end portions, Fig. 8.
Patent HK-27686-A (HK)
Title: Stirring equipment for the dispersion of gas during the treatment of metal baths
Inventor: GIMOND JACQUES
IPC: B22D1/00
Filed: 1986-04-17
Abstract: The invention relates to a rotary gas dispersion device for the treatment of a bath of liquid metal such as aluminum and its alloys, comprising a cylindrical rotor equipped with blades immersed in the bath, connected to a hollow control shaft for the supply of gas, and is characterized in that the rotor is pierced by oblique ducts coupled to radial ducts in which the metal and the gas circulate respectively before being mixed at the point where these ducts join up, emerging in the bath so as to form a fine dispersion which is then distributed in the said bath by means of blades.
Patent HK-49385-A (HK)
Title: An electric cooker hot plate having a switch for preventing overheating
Inventor: FISCHER KARL
IPC: H01H37/34
Filed: 1985-06-27
Abstract: An electric hot plate has an overheating safety switch having a steatite housing which is inserted into the lower sheet cover plate of the hot plate and is supported with two feet on the lower side of the heating elements of the hot plate. A bimetallic member is positioned parallel between these feet which acts on a snap switch positioned in the steatite housing via a transmission rod. The transmission rod is continuously pressed against the snap switch by a plate spring and a guide on the snap switch. As a result of this, it is fixed precisely in its position. The overheating safety switch simultaneously forms the lead-through passages for the electric hot plate connections.
Patent HK-60097-A (HK)
Title: A consensus leukocyte interferon and a gene encoding it
Inventor: ALTON NORMAN K
IPC: C07K16/00
Filed: 1997-05-08
Abstract: There is provided a method for the manufacture of linear, double stranded DNA sequences of a length in excess of about 200 base pairs and coding for expression of a predetermined continuous sequence of amino acids with a selected host microorganism transformed by a selected DNA vector including the sequence, a manufactured, linear, double stranded DNA sequence of a length in excess of about 200 base pairs and coding for the expression of a predetermined continuous sequence of amino acids by a selected host microorganism transformed with a selected DNA vector including the sequence, said sequence characterized by having at least one unique palindromic six base recognition site for restriction endonuclease cleavage at an intermediate position therein, a polypeptide product of the expression by an organism of such a manufactured DNA sequence, a biologically functional DNA microorganism transformation vector including such a manufactured DNA sequence and a reagent material comprising a radio labelled manufactured DNA sequence.