baber/WOPTO huggingface dataset:
Patent GB-212368-A (GB)
Title: An improved appliance for opening oysters
IPC: A47G21/06
Filed: 1923-01-29
Abstract: 212,368. Charles, G. Jan. 29, 1923. Shellfish openers. - An oyster-opener comprises a support 12 for the oyster and a knife 5, carried by a reciprocable bar 3 which slides through bearings 4 on standards 2 carried by the base 1, the knife being preferably provided with a hump 19 on the centre line of the knife or obliquely thereto. The support consists of a wooden block 18 carried by a plate 12, having a handprotecting extension 13 grooved at 17, the plate 12 having a tubular pivot 14 which houses a coiled spring 16 and seats within a socket 15. The bar 3 is preferably rectangular in section and is operated by a lever 6 pivoted to the base 1 at 7, which is slotted at 9 for the passage of the bar 3 and is slotted at 10 for engagement with the pin 11. In modifications, the lever 6 is pivoted to the bar 3 and is connected to the base bv an intermediate link. In operation the support is depressed until the junction of the shells is level with the opening-knife 5 which is then forced into the oyster.
Patent GB-1199221-A (GB)
Title: Means for Discharging Bulk Materials from Aircraft
IPC: B64D1/16
Filed: 1968-01-17
Abstract: 1,199,221. Scattering material from aircraft. ENTWICKLUNGSRING SUD G.m.b.H. 17 Jan., 1968 [27 Feb., 1967; 24 May, 1967], No. 2622/68. Heading A1D. [Also in Division F3-4] Means for discharging bulk material from an aircraft comprises a number of tubes carried beneath the aircraft, the tubes containing the material and each tube receiving air under pressure at one end so that the material is discharged from the other end. As shown in Fig. 1, a pod 20 extending along the underside of an aircraft 10 receives a number of tubes 30 containing the bulk material 31, the front end of each tube being connected by a pipe 34 to a compressed air source 35 derived from a compressor 12 of the jet propulsion unit 11. The source 35 is controlled by a regulator (not shown). To ensure that the material 31 is deflected downwardly from the aircraft, a hollow flap 50 pivoted at 53 is moved to the upper position shown in Fig. 6 and compressed air from the compressor 12 is supplied to the flap interior through a regulator 70 and pipe 60, this air issuing through flap nozzles 54. In a modification (Fig. 5, not shown) the compressed air for the tubes 30 is derived from the movement of the aircraft and to this end the front ends of the tubes are open to the airstream. In other modifications (Fig. 10- 12, not shown) the tubes extend transversely of the aircraft and discharge some to one side and others to the other side of the aircraft.
Patent GB-960309-A (GB)
Title: Production of tetrafluoroethylene
Inventor: EDWARDS JOHN WILMAR
IPC: C07C17/269
Filed: 1962-01-24
Abstract: Tetrafluoroethylene is produced by the pyrolysis of a mixture of monochlorodifluoro-methane and from 3 to 19 moles of steam per mole thereof followed by cooling to condense the steam.  The pyrolysis may be effected substantially isothermally in a heated reactor, e.g. at 600 to 800 DEG C. or adiabatically in a lagged elongated reactor which may have heating means to balance heat losses, preferably under plug flow conditions with a Reynolds number greater than 3,000.  The gases preferably leave the adiabatic reactor at 600 to 800 DEG C. The steam and/or CHClF2 may be pre-heated, the former to, e.g. 800 to 1,000 DEG C. and the latter, e.g. to up to 600 DEG C., but preferably not more than 10% of the CHClF2 is pyrolysed before dilution with steam and entering the pyrolysis zone.  The steam preferably contains less than 1,000 parts per million by volume of other gases and is substantially free of non-volatile impurities.  Pressure of 0.1 to 5 atmospheres may be used, preferably substantially atmospheric. The exit gases may be cooled by passing them through a heat exchanger, or by injecting water, cool steam of aqueous HCl, or by a combination of both measures.  They may then be scrubbed with alkali, dried with concentrated H2SO4 and tetrafluoroethylene separated by distillation. The reactor is preferably made of or lined with Pt, "Inconel" (Registered Trade Mark), Cu, Cu-Ni alloys, Ag, Pt-Ir, Pt-Rh, C or single or mixed sintered metal oxides such as alumina, beryllia, magnesia or spinels.  By-products include hexafluoropropene, hexafluorocyclopropane, octafluorocyclobutane, C2HF4Cl and C3HF6Cl.
Patent GB-740966-A (GB)
Title: Improvements in means for feeding pirns to winding machines with travelling spindles
IPC: B65H67/06
Filed: 1952-02-01
Abstract: 740,966. Feeding bobbins to textile spinning &c. machines. HOLT, Ltd., T., and FITZGERALD, J. Feb. 2, 1953 [Feb. 1, 1952], No. 2713/52. Class 120 (3). [Also in Group XXX] Pirns are fed to winding machines of the travelling-spindle type, so that each pirn as it leaves a supply magazine is in correct position for placing it on the winding head, by apparatus comprising a conveyer, a hopper for receiving the pirns, means for guiding the pirns into the hopper, a magazine and a trap for controlling discharge of pirns therefrom and working in timed relation with the winding machine, a discharge hopper, and means for returning pirns in excess of requirements back to a sorting mechanism. In the apparatus shown in Fig. 1, a pirn P travels tail first up a conveyer 10, is first supported at one end by a pointed extension 17 of one side of a hopper 13. (P<SP>3</SP>) and then the weight of the head causes the pirn to fall head first into the hopper (P<SP>4</SP>) ; if the pirn is delivered head first by the conveyer it falls directly into the hopper (P<SP>2</SP>). The pirns pass to a magazine 12 below the discharge opening 14 of which is a rotatable cylinder 20 a longitudinal groove 21 in which seats the lowermost pirn P<SP>1</SP> of a stack..When a lever 22, operatively associated with the loading head of the winding machine, is turned anticlockwise to  rotate the cylinder 20, the pirn P<SP>1</SP> is thrown into a hopper 15 leading to the loading position, the solid part of the cylinder 20 meanwhile closing the opening 14; the lever 22 returns so that the next pirn of the stack falls into the groove 21. When the magazine 12 is sufficiently full, excess pirns fall through an opening 18 and down a shoot 19 on to a conveyer for return to a sorting mechanism. In a modified construction, Fig. 2, pirns P are directed into the shoot 13a by rollers 25 and 26.
Patent GB-733242-A (GB)
Title: Improvements in or relating to suction rolls and paper-making machines employing thesame
Inventor: BEACHLER EDWARD DUSCHL
IPC: D21F3/10
Filed: 1953-01-30
Abstract: 733,242. Suction rolls, and start-up strips in paper-making. BELOIT IRON WORKS. Jan. 30, 1953, No. 2714/53. Class 96. A start-up strip 9, Fig. 1, is cut from the pulp web W on the wire-cloth 10 of a Fourdrinier paper-making machine by a jet 34, the remaining pulp web, with the edge trimmings cut by jets 33 falling into the broke pit, the strip 9 being picked up by a suction roll 15, and passed through a wet press 20, 21, and through a twonip wet press 25, 26, 27. The suction rolls, e.g. 15 or 27, may have rubber-covered shells 41, 40, Fig. 4, and an enclosure 51 divided transversely by a partition 101 with a flap 103 which can be opened (dotted position) by a piston and cylinder 110 &c. which is valve-controlled at 118 outside the roll. With the flap 103 closed, suction (from a pipe 108) is only effective to the left of the partition 101, i.e. over a width corresponding to that of the start-up strip 9 ; but with the flap 103 open, the full width, between end-seals 85 adjustable at 90 &c., is effective. Splashcatching pans 95, Fig. 1, may be fitted. A suction zone 16 may communicate with a zone 17 of lesser suction, through a butterfly valve (not shown) which can be adjusted from one end of the roll.
Patent GB-104211-A (GB)
Title: Improvements in Propeller Chambers or Tunnels for Shallow Draught Vessels.
Inventor: YARROW HAROLD EDGAR
IPC: B63H5/16
Filed: 1916-02-23
Abstract: 104,211. Yarrow, H. E. Feb. 23, 1916. Hulls.-In shallow-draught vessels with external propeller tunnels having adjustable roofs A such as are described in Specification 967/97, plates C extending down to the level of the water are provided at the aft end of the tunnel so as to seal the cavity in which the propeller rotates, in case the stern is raised out of the water by an alteration of the trim of the boat. In Fig. 4, these curtain plates are shown hinged and adapted to be raised against the sides by gear E. In modifications, they may be lifted into recesses, or they may be rigid with the boat. They may also be operated automatically by the arrangements similar to those described in Specification 28726/11.
Patent GB-1214332-A (GB)
Title: Improvements in woven covers primarily for open air water containers
Inventor: HAYNES REGINALD WALTER
IPC: D03D15/00
Filed: 1968-01-18
Abstract: 1,214,332. Fabrics providing covers for water containers. AQUAMAT Ltd. 2 Jan., 1969 [18 Jan., 1968], No. 2726/68. Heading D1K. A woven fabric for swimming pool &c. covers comprises an open mesh base fabric woven from synthetic monofilaments with nip stop bands in both warp and weft direction, the bands in the weft direction being woven with weft of synthetic multifilaments and the bands in the warp direction being woven with alternate warp threads of synthetic manofilaments and multifilaments.
Patent GB-100346-A (GB)
IPC: B63G8/00
Filed: 1916-02-23
Abstract: 100,346. Electric Boat Co., (Assignees of Spear, L. Y.). April 23, 1915, [Convention date]. Submarine vessels.-In a submarine vessel of the type comprising strong and relatively weak inner and outer hulls respectively, the space between the hulls being used as ballast tanks, the fuel tank 28 is located directly beneath the engines 25, and where exposed to the sea, this tank is made strong enough to withstand the pressure of deep submergence, as shown in Fig. 7. The space 29 is used for ballast and is extended aft on opposite sides of the propelling-engine and fuel tank. An adjusting-tank by which the reserve buoyancy is established is formed by dividing off a section amidships of the between-hull space, and as this compartment 22, Fig. 8, is not completely filled with water ballast at all times that the boat is submerged, the walls 23 are made of heavy plating like the inner hull section.
Patent GB-1024073-A (GB)
Title: Heat flow measuring device with thermocouples
IPC: G01K17/00
Filed: 1964-01-22
Abstract: 1,024,073. Measuring temperature electrically. CESKOSLOVENSKA AKADEMIE VED. Jan. 22, 1964 [Jan. 22, 1963], No. 2754/64. Heading G1N. A temperature probe (Fig. 2) inserted in the wall of a furnace comprises a cylinder 9 having an insulating, heat resistant, disc 1 in which a plurality of thermocouples are held, with their hot junctions near or in that surface, 2, which is exposed to the furnace, and their cold junctions protruding from the other surface 3 of the disc into a boiling liquid contained in the cylinder. The thermocouples are connected in series to give a large output. The boiling liquid, used as a reference temperature, is constantly replenished via a tube 11; and vapour is extracted from outlet 12, condensed and recirculated.
Patent GB-902106-A (GB)
Title: Improvements in lattice or skeleton structural members
IPC: E04B1/58
Filed: 1960-01-26
Abstract: 902,106. Bolted Joints. HILGERS A.G. Jan. 26, 1960 [Jan. 31, 1959], No. 2813/60. Class 83 (4). [Also in Group X] A lattice mast comprises transverse sections joined end to end and welded to the lower ends of the corner members 5 of each section are sleeves 7 and to the upper ends, sleeves 8, these sleeves having conical recesses 13 and projections 14 respectively so as to interengage and be secured by bolts 11.
Patent GB-607183-A (GB)
Title: A control system for polyphase a.c. commutator motors with speed regulation by meansof brush shifting
IPC: H02P25/12
Filed: 1946-01-29
Abstract: 607,183. Control of A.C. motors. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. Jan. 29, 1946, No. 2824. Convention date, March 17, 1945. Drawings to Specification. [Class 38 (iii)] In the type of control system for a polyphase alternating-current commutator motor wherein speed regulation is effected by brush-shifting, and in which the motor secondary circuit is provided with a resistance which may be shortcircuited after starting by means of a timedelay relay, a switch-contact is connected in parallel with the contact of this relay, the said switch-contact being closed by means of the brush-shifting device within that range of brush-movement which permits of satisfactory motor starting operation without the use of the starting resistance. The starting resistance may be divided into several parts with a corresponding number of switch-contacts for short-circuiting the time-delay contact.
Patent GB-1467138-A (GB)
Title: Acetylene derivatives of amino acids
IPC: C07C239/00
Filed: 1976-01-26
Abstract: 1467138 Alkynoic acid derivatives RICHARDSON-MERRELL Inc 26 Jan 1976 [18 March 1975] 02855/76 Heading C2C Racemic and optically active compounds of the general formula (R = H, C 2-5  alkylcarbonyl or alkoxycarbonyl, COCH(NH 2 )R 10 ; R 2  = OH, C 1-8  alkoxy, C 1-4  alkylamino, NHCHR 4 COOH; R 4,10 =H, C 1-4  alkyl, benzyl, p-hydroxybenzyl; A=(CHR 1 ) n , CH=CH; R 1  = H, C 1-4  alkyl, phenyl optionally substituted by halogen, C 1-4  alkyl, C 1-4  alkoxy; n=1-5), the lactams of the compounds in which A=(CH 2 ) 2,3  and R=H, and their salts are prepared by standard methods, e.g. reacting CH 3 ) 3 SiC#CCH 2 N=CHPh with a haloester or unsaturated ester in the presence of a base to introduce the R 2 COA group followed by removal of the protecting groups and, optionally, introduction of an R substituent, replacement of R 2  by a different group, dehydration to a lactam, resolution and/or salt formation.  The preparation of 3-benzylideneiminoprop-1- yne is described.  The above compounds are useful in the treatment of disorders of the central nervous system and as hypothermic agents, myorelaxants, cholinergic agents, antibacterial agents, anticonvulsants, analgesics, anorectics, tranquillizers and sedatives. They may be administered in the form of pharmaceutical preparations containing them in association with a carrier.
Patent GB-805083-A (GB)
Title: Improvements in or relating to lens hoods for cameras, optical instruments and the like
IPC: G03B11/04
Filed: 1956-01-30
Abstract: 805,083. Lens hoods for photographic cameras. ATKINSON, J. Jan. 10, 1957 [Jan.30, 1956], No. 2860/56. Class 98(1) A lens hood of rubber or similar material has a gapped or slotted adaptor ring of rigid material. As shown, hood 1 is clamped be-  tween a metal adaptor ring 4a and threaded ring 10. In another form, the hood is formed with an internally serrated collar which is secured to a correspondingly serrated portion of the periphery of a gapped nylon or metal adaptor ring with an adhesive. The inner surface of the hood may be provided with three projections to retain a filter glass or, alternatively, it may have circular grooves to prevent reflection. According to the Provisional Specification, the adaptor ring can be designed to accommodate a filter.
Patent GB-980801-A (GB)
Title: Improvements in fluid pressure control systems
IPC: B63H21/22
Filed: 1960-01-26
Abstract: 980,801. Reverse controls. M. J. ROXBURGH, (representative of A. G. ROXBURGH). April 21, 1961 [Jan. 26, 1960], No. 2868/60. Heading F2D. [Also in Division G3] A three-position servopiston 6 suitable for operating the ahead and astern clutches of a ship is controlled from an input lever 1 which operates a drum 2, similar to the selector drum disclosed in Specification 873,619, controlling an hydraulic motor 3 by which a selector drum or valve 5, also according to the disclosure in Specification 873,619, is operated to control shuttle valves 7, 8. With the parts in the neutral positions shown a cam 16 on a slider 15 operated by the piston 6 opens a valve 13 so that motive fluid from a source 10 passing through a restricted passage 9a in a valve 9 is vented to exhaust through the valves 13, 5 causing the valve 9 to be moved upwardly so that it connects to exhaust a motive fluid supply conduit leading to the valves 5, 7, 8. Movement of the valve 5 in either direction from the neutral position terminates the venting through the valve 13 whereupon the valve 9 is depressed and pressure liquid is supplied to the valve 5 and thence to one of the valves 7, 8 which is moved against a spring loading to connect one side of the piston 6 to the pressure liquid. When the piston reaches the end of its stroke a cam 17 or 18 opens a valve 14 to vent the space above the valve 9. Interposed between the drum 2 and motor 3 is an interlock valve 25 whose purpose is to ensure that on movement of the lever 1 from, say, an ahead to an astern position, the motor 3 is brought to the neutral position and held there until the motor 6 reaches the neutral position. To this end a gate 21 moved by the motor 6 coacts with a roller 23 on the stem of the valve 25 such as to permit movement of the latter only when the motor 6 is in neutral position. Also operated by the motor 3 is an auxiliary selector 5a which controls a valve 31 governing a propeller shaft brake motor 32 and a valve 30 controlling the supply of motive fluid to an engine throttle servomotor 27 the regulator 26 of which is actuated through cam and follower mechanism 28, 29 by the lever 1. The selector 5a also controls a pressure fluid circuit to an engine speed responsive controller for a fluid scoop. Instead of a single motor 6 a separate motor for each clutch may be employed.
Patent GB-219602-A (GB)
Title: A reversible steam turbine
IPC: F01D15/04
Filed: 1924-03-06
Abstract: 219,602. Taylor, T. March 6, 1924. Reversing; idly-running stages, preventing adverse conditions in.-In a reversible turbine comprising ahead and astern sections 2, 3 on the same shaft, the three-way cocks 7, 17 for controlling the admission and exhaust of steam are connected by gearing for simultaneous operation with a cock 16 which opens a pressure-relief pipe for the idly-running section.
Patent GB-667283-A (GB)
Title: Improvements in or relating to a process for producing artificial films and filaments from zein and the artificial films and filaments resulting from said process
IPC: D01F4/00
Filed: 1949-02-03
Abstract: Artificial filaments or films are obtained by extruding an aqueous alkali dispersion of zein into an aqueous alkaline saline coagulating bath, thereafter stretching and molecularly orienting the coagulated products in an aqueous alkaline bath having an ionic strength exceeding that of the coagulating bath, and then subjecting the products to curing, and drying.  The ionic strength is defined as one half the sum of the products of the various ion concentrations (gram-ions per 1000 grams of water) with the squares of the various ion valencies.  The bath used for the stretching may contain the same ingredients as those of the coagulating bath but in greater concentration.  The spinning solution may contain 10-20 per cent of zein.  The alkali used may be caustic soda, potash, or lithia and the spinning solution may have an alkali concentration equal to that of a 0.11 normal solution.  The spinning solution may contain minor amounts of urea, formaldehyde, resins, or sodium salts of amphoteric metal hydroxides such as those of chromium and aluminium.  The coagulating bath may be a solution of sodium carbonate, e.g. of 0.2 to 1.8 molal concentration.  An ionic strength of 0.75 to 1.5 is preferred.  Potassium or lithium carbonate or a tertiary phosphate of an alkali metal may be used instead of sodium carbonate.  The coagulating bath may also contain oxidizing or reducing agents, e.g. ferricyanides, chromates, peroxides, cyanides, ferrocyanides, sulphides, or monothioglycol.  Salts of organic bases such as guanidine carbonate may be used instead of alkali metal carbonates. Sucrose or sorbitol may be added to prevent the filaments from sticking together.  The stretching bath may have a pH of 11 and an alkali metal carbonate concentration corresponding to an ionic strength of 5.4 up to that corresponding to saturation.  The stretching bath may be at room temperature or higher, e.g. 50-90 DEG C.  Salts other than alkali metal carbonates may be used in the stretching bath.  The filaments may be stretched by 200-300 per cent. After the stretching operation, the filaments or other products are cured, e.g. by treatment with formaldehyde in presence of ammonium chloride or by acetylation treatment.  In an example, a spinning solution containing 13 per cent of zein and 0.38 per cent of caustic soda is extruded into an aqueous solution containing the equivalent of 3.4 grams of anhydrous sodium carbonate per 100 grams of solution. The extruded filaments are gathered into a tow and drawn through the bath and removed from it by a roller which transfers them into a stretching bath.  This bath contains the equivalent of 16-17 per cent of anhydrous sodium carbonate and has an ionic strength of 5-6.  The stretched filaments are cured, e.g. by means of formaldehyde and then dried.
Patent GB-136026-A (GB)
Title: Storage Batteries for Electricity.
Inventor: COOKE GEORGE FREDERICK
IPC: H01M6/48
Filed: 1919-02-07
Abstract: 136,026. Cooke, G. F. Feb. 7, 1919. Electrodes; separators.-Fig. 2 shows in plan a battery having bi-polar electrodes consisting of metal plates A covered with active material C which is held in place by perforated metal sheets B. The latter are dished and are secured in position by insulating rings D which form the sides of the cells, the whole being enclosed in an insulating envelope F. The plates A may be of insulating material, in which case the cells may be joined in parallel by suitable connexions. The active material may consist of lead, nickel, iron, or their oxides.
Patent GB-1080446-A (GB)
Title: Improvements in or relating to control apparatus for a remotely operated vehicle
Inventor: O'CONNOR RAYMOND JOSEPH
IPC: G05D1/02
Filed: 1964-01-23
Abstract: 1,080,446. Automatic train control. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Jan. 21, 1965 [Jan. 23, 1964], No. 3064/64. Heading B7N. Control apparatus for a driverless rail vehicle comprises a pair of cables running between and parallel to the rails and means on the vehicle operable by the magnetic field set up by current flow in the cables for controlling the movement of the vehicle in one direction when current flows in one of the cables and in the opposite direction when current flows in the other cable. Cable 6, which is wound in one direction on sections 7 and in the opposite direction on sections 8, on a core 9 of high permeability ferromagnetic material and cable 12, similarly wound on core 15, are connected via a changeover switch 3 to a power source 1. Reed switches 22, 23, mounted on the vehicle are associated respectively with cables 6 and 12 and are actuated when their associated cable is energized. The switches control via relays 25a, 27b the direction of current flow in the stator winding 29 of the vehicle driving motor and hence its direction of movement.
Patent GB-1209122-A (GB)
Title: Improvements relating to windows doors and the like
IPC: E05D15/52
Filed: 1968-01-19
Abstract: 1,209,122. Window opening apparatus. VEREINIGTE BAUBESCHLAGFABRIKEN GRETSCH & CO. G.m.b.H. 19 Jan., 1968 [24 Jan., 1967], No. 3085/68. Headings E2F and E2M. A window, door &c has a fixed frame 10 and a movable frame 11 which is capable of being tilted about a horizontal axis adjacent the lower edge of the fixed frame, pivoted about a vertical axis and lifted and lowered with respect to fixed frame 10. The frames are connected by means of a deflector member having an arm 12 pivotally mounted to movable frame 11 at 26, and a hinge part 15 rigidly connected to arm 12 and pivotally mounted on hinge 18 carried by frame 10. Hinge part 15 has a recess 22 for receiving a pin 20 attached to the edge of frame 10, in the raised position so as to prevent tilting of the frame 11 but allow pivoting about the vertical axis. The frame 11 may be moved downwardly to disengage the pin 20 and recess 22 to allow tilting of the frame 11.