baber/WOPTO huggingface dataset:
Patent GB-385463-A (GB)
Title: Improved apparatus for electrically heating and maintaining heat in feeding bottles or like vessels
IPC: A47J36/24
Filed: 1932-02-04
Abstract: 385,463. Thermal switches. SCHMIDT, G., 41, Regentesselaan, Oegstgeest, near Leiden, and WEBER, S. T. H., 9, Sterrenwacht, Leiden, Holland. Feb. 4, 1932, No. 3372. [Class 38 (v).] A thermal switch comprises a bimetallic strip d wound as a conical spring and secured at one end to a metal plate d<1> adapted to contact with the heated body. 'The plate d<1> together with a curved plate d4 and a flat plate d<6> forms a box surrounding the strip. A contact on the strip co-operates with a fixed contact. In a modification, two bimetallic strips carrying cooperating contacts are secured at one end to a metal plate.
Patent GB-1493792-A (GB)
Title: Arrangement for the selective exchange of information
IPC: G06F13/12
Filed: 1976-01-28
Abstract: 1493792 Information transfer COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII-HONEYWELL BULL 28 Jan 1976 [29 Jan 1975] 03416/76 Addition to 1482659 Heading G4A The parent Specification is modified in that the stations are linked in sub-groups to the connecting channel 200 (Fig. 2) via a local connecting channel, e.g. channel 201 which links stations of a sub-group and an adaptor, e.g. an adaptor 203. Communications on channel 200 are serial and on the local channels are in parallel. At each station, e.g. station 301 (Fig. 3) a signal E 0  from a transmitting station on the local channel 305 results in its adaptor circuit 300 generating a signal VALA on the local channel and a beginning of message flag on channel 304. Circuit 300 then generates a signal DK which results in the transmitting station sending a start of message flag, address, message, check bits and an end of message flag. Each station reads into a FIFO shift register 309 the address, and at the addressed station microprocessor 315 causes the next byte of the message to be read in to the register 309. The message may be concerned with read out of a buffer in main memory 303 in which case an index number for the buffer address is included in the message or the transfer of control to another station in which case the message includes the address of the other station. Adaptor (Figs. 5, 6A, 6B, not shown). The arrival of a zero signal (SO) results in bi-stable (501 bis) being set to give an active signal (ACT) which enable the counter (504) to count the "1" bits in the start flag. If the correct number is detected a decoder (505) sets a bi-stable (510) to deliver a signal (VACT) to enable shift registers (526, 527) for receipt of the address on the channel. The outputs of the registers are connected via further shift registers (528, 529) to the local channel to provide parallel information to each station. For transmission to the main channel parallel data is fed in to shift registers (637, 638) and clocked out serially.
Patent GB-785053-A (GB)
Title: Improvements in or relating to the production of alkylene oxide polymers
Inventor: BORROWS EDWARD TEGGIN
IPC: C08G65/26
Filed: 1955-02-04
Abstract: Polymeric alkylene oxides suitable for use as thickening agents or for processing into thin water-soluble films are obtained by reacting the alkylene oxide, e.g. ethylene or propylene oxide in presence of a catalyst of formula Me(OR)x, where Me is a metal selected from Groups II and III of the Periodic Table, OR is an alkoxy radical and x is the valency of the metal Me which is preferably Al, Zn or Mg.  The alkoxides can be derived from primary, secondary, or tertiary alcohols, aluminium n-butoxide, aluminium iso-propoxide and the tert.-butoxides of Al, Mg and Zn being specified.  The polymerization may be carried out in presence of a solvent, e.g. an aromatic or aliphatic hydrocarbon, a chlorinated hydrocarbon or an ether, at temperatures from 0-200 DEG  C., pressures from atmospheric to 40 atmos. and for times varying from a few hours to several days.  The alkylene oxide is preferably added to the catalyst dissolved in benzene.  In examples: (1) 88.7 parts gaseous ethylene oxide were passed into 0.5 parts Al n-butoxide dissolved in 88 parts benzene and the mixture maintained at 20 DEG  C. for 10 days.  On addition of the product to petroleum ether a colourless solid was precipitated having a viscosity of 1.468 in a 0.1 per cent trichlorethylene solution.
Patent GB-118987-A (GB)
Title: Improvements in and relating to Scarf Pins.
Inventor: GARTNER ALFRED
IPC: A44B9/08
Filed: 1918-02-27
Abstract: 118,987. Gartner, A. Feb. 27, 1918. Scarf - pins. - A scarf-pin is provided with a head on the exterior of which is a question and in the interior of which is concealed the answer, or the head may be appropriately shaped to form the answer. The head a is in the form of a shell containing a roll of fabric f bearing the answer. This fabric is rolled up by the action of a spring m.
Patent GB-1088912-A (GB)
Title: Improvements in laundering plants
IPC: D06F34/08
Filed: 1965-02-01
Abstract: 1,088,912. Remotely-controlled fastenings; sliding bolts PELLERIN MILNOR CORPORATION. Feb. 1, 1965 [Aug. 3, 1964], No. 3493/66. Divided out of 1,088,911. Heading E2A. [Also in Division D1] The door 18 of a washing machine, see group D1 carries an air cylinder 21 actuated by a solenoid valve 26, controlled by push button 27, to withdraw plunger 22, against the action of spring 20, from the aperture 23 in striker 24.
Patent GB-641382-A (GB)
Title: Improvements in or relating to centrifugal separators
IPC: B04B1/12
Filed: 1948-02-06
Abstract: 641,382. Centrifugal-separators. NYROP, A. Feb. 6, 1948, Nos. 3529 and 3530. Convention dates, May 5, 1947, and Feb. 2, 1948. [Class 23] In a centrifugalseparator comprising a rotary bowl 52, 53 having a discharge opening 54 for the separated denser material, and a stationary casing 50, 51 enclosing the bowl and having a collecting chamber 63 with a circumferential inlet 65 for the separated material, the space 67, 68 between the bowl and casing is filled with fluid under pressure and the distance between the bowl and casing is small in the vicinity of the discharge opening. The fluid is supplied by pipes 69, 70, and may be a cleaning fluid which enters the bowl through holes 72, 73 and the opening 54. The bowl, supported and driven from a shaft 57, is charged by a pipe 61. The treated material is discharged through a pipe 80 by an impeller 59 on the shaft. The inlet 65 has vanes 64 which prevent swirl in the collecting chamber. In a modification, Fig. 2, the bowl is rotated and supported by one end of a hollow horizontal shaft 3 which serves as a discharge for the treated material. The collecting chamber 9 is annular, and coplanar with the opening 7 for separated denser material. The interior of the bowl is divided by two sets of conical discs 14, 15 which may be axially displaced to form closed compartments. Alternatively, pipes 18 bridge the spaces between the discs to form passages for the treated material. The separation may be assisted by giving the discs or other parts of the separator an electrical potential different from that of the material under treatment, and internal parts of the separator may be of non-corrosive material. The separator may be used for the purification of water, sugar-juice, oils and gases, and for the treatment of mixtures which combine or react whilst in the separator.
Patent GB-1462684-A (GB)
Title: Water quality determination apparatus
IPC: G01N1/14
Filed: 1974-01-25
Abstract: 1462684 Determining matter in liquid MEIDENSHA KK 25 Jan 1974 [29 Jan 1973 (2) 5 March 1973 (2) 9 March 1973(3) 26 March 1973] 3674/74 Heading G1N Apparatus for determining the amount of matter in a liquid comprises a housing with inlet and outlet, a sensor in the housing aligned so that flow from inlet to outlet is parallel to the sensing face, the housing being constructed for immersion in the liquid being measured, means for introducing a medium between sensor and outlet to cause fluid-flow from inlet to outlet and means for generating pressure waves in the liquid in the housing to scour adhered matter from the sensor. The flow is preferably at a rate which produces turbulence at the sensor. Provision for flushing the sensor with clean liquid and calibrating for dissolved oxygen using air may also be provided. The sensor may measure pH, dissolved oxygen, redox potential or may be ion selective. It is preferably of the membrane type and intended for use in contaminated water. The medium causing fluid-flow may be introduced as a bubble pump, a liquid pump, or a water jet. Turbulence which helps to keep the sensor clean, is generated by narrowing the fluid path adjacent the sensor. When the liquid is flowing, the housing may be maintained parallel to the flow by a vane. Pressure waves may be generated by compressing a plastics tube in a gas, a liquid flow line to the housing or by reciprocatingly changing the volume of the housing available to the fluid. The sensor may be supplied alternately with contaminated and pure water, numerous arrangements being described. This may be supplemented by subjecting an oxygen sensor to air while adjusting the sensor output to a desired reference to compensate for ageing or contamination. In other embodiments the sensor may be rotated in the liquid with its active surface parallel thereto.
Patent GB-935757-A (GB)
Title: Improvements in or relating to idler roller assemblies of endless belt conveyors
Inventor: ORWIN OLAF JOHN BARCLAY
IPC: B65G39/04
Filed: 1960-02-02
Abstract: 935,757. Bearings. FISHER & LUDLOW Ltd. May 2, 1961 [Feb. 2, 1960], No. 3716/60. Class 12 (1). [Also in Group XXX] In an endless belt conveyer, each idler roller 16 is moulded in a resilient non-metallic material, preferably nylon, and comprises a plain bearing portion 20 arranged between two ball-bearings 24. The bore 21 of the bearing portion 20 is slightly larger, e.g. <SP>1</SP>/ 32  in., than the diameter of a shaft 15, the arrangement being such that under normal loading of the conveyer, deformation of the hub 19 of the roller is insufficient for the clearance between the bearing portion 20 and the shaft 15 to be taken up. The whole of the load is thus taken by the ball-bearings 24, Fig. 2. When the roller is abnormally loaded, e.g. during the passage of a large solid lump of bulk material, the hub 19 is deformed to an extent such that the upper side 21a of the bore 21 engages the shaft 15 and part of the abnormal load is transmitted through the plain bearing. The bearing portion 20 may be provided with an anti-friction liner. The bearing balls are of steel but when the loading of the roller is light they may be of a resilient material such as nylon. According to the Provisional Specification, idler roller assemblies as described in Specification 806,605 may be provided with a bearing consisting of a length of nylon bush moulded within the bore of the roller as described in Specification 926,004. The bush comprises a cylindrical sleeve having at each end an integral annular flanged portion. The outer ends of the flanges may extend in a radiallyinward direction to provide a retaining flange to retain the nylon balls in position, and each retaining flange may be formed with axially directed dogs so as to provide for driving connection with an adjacent similar bush of the next adjacent roller, the dogged connection between adjacent roller bushes being as described in Specification 924,191.
Patent GB-211478-A (GB)
Title: New and improved process for manufacturing roofing elements by electrolysis
IPC: C25D5/54
Filed: 1924-02-13
Abstract: 211,478. Anaconda Sales Co., (Assignees of Gillis, J. H.). Feb. 17, 1923, [Convention date]. Roofing blocks, slabs, and tiles.-Roofing elements are made by electrodeposition of copper on an insulating base coated with a conducting material, using an anode of crude copper. Alternatively insoluble anodes and an electrolyte obtained by leaching a copper ore may be used. The insulating base may consist of asbestos products or of paper, felt, or burlap impregnated with asphaltic compositions. The conductive coating may consist of graphite bound to the base by an adhesive such as sodium silicate or asphalt emulsion. The insulating base may have granular material embedded in its surface; a corresponding roughness in the metal deposit is produced. The metal may afterwards be subjected to colouring processes. Impurities of precious metals are recovered from the electrolyte and slim from time to time.
Patent GB-589906-A (GB)
Title: Improvements in thermo-setting resins
IPC: C08G8/22
Filed: 1944-02-29
Abstract: A permanently fusible, non-heat reactive condensation product of resorcinol and formaldehyde 37 per cent solution is finally polymerized by adding an alkali hydroxide and sufficient 37 per cent formaldehyde solution to make the total of such solution used in both stages of the condensation up to 84-100 parts by weight for each 100 parts resorcinol.  In an example, a primary condensation product prepared from 100 gms. resorcinol and 50 gms. formaldehyde solution at 30-60 DEG  C. in presence of acetone and sodium sulphite is treated with 34 gms. formaldehyde solution and 6 gms. 10N sodium hydroxide solution.  The primary condensation product solution, the additional formaldehyde solution, and the alkali hydroxide are kept apart until immediately before use, e.g. as an adhesive for wood.
Patent GB-657213-A (GB)
Title: Improvements in or relating to fuel supply systems for combustion apparatus
IPC: F02C7/22
Filed: 1949-02-11
Abstract: 657,213. Gas turbine plant for jet-propulsion of aircraft. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Feb. 11, 1949, No. 3809. Convention date, March 2, 1948. [Class 110(iii)] A gas turbine plant comprises a main combustion chamber 18 and an auxiliary combustion chamber 20, which may heat the turbine exhaust in front of a propulsion jet nozzle 21. Each chamber has a separately-driven fuel pump and, if the fuel pump 34 for the main chamber fails, fuel is passed from the other pump 35, 36 to the main chamber. The auxiliary chamber fuel pump is of the dual type and its pumps 35, 36 deliver through pipes 45, 46 to a control valve 50. Normally the pressure of the main pump delivery, applied by pipe 66, keeps a piston valve 53 in the position shown, in which the deliveries of both pumps 35, 36 are passed to a pipe 61 leading to the burners of the auxiliary chamber 20. If the main pump fails, a spring 67 moves the valve 53 downwards to a position in which fuel from pump 36 continues to pass to the chamber 20 and fuel from pump 35 is passed by pipe 65 to the fuel control means 42 of the main chamber 18.
Patent GB-809080-A (GB)
Title: Methods of manufacturing selenium rectifiers
IPC: H01L21/103
Filed: 1956-02-07
Abstract: 809,080. Selenium rectifiers. LICENTIA PATENT-VERWALTUNGS G.m.b.H. Feb. 7, 1956 [Feb. 7, 1955], No. 3816/56. Drawings to Specification. Class 37. A method of making a selenium rectifier comprises the following steps : (i) applying to a metal carrier plate a layer of Cd or Cd alloy with a melting-point higher than 220 C.; (ii) heating the Cd or alloy layer to 100-140 C., applying to it a Se layer poor in halogen (e.g. less than 10<SP>13</SP> atoms/cc.) and forming the layer at between 205 C. and its melting-point; (iii) applying a second Se layer relatively rich in halogen (e.g. more than 10<SP>16</SP> atoms/cc.) and forming it at 130-200 C.; and (iv) applying an electrode to the second Se layer in such a way as to avoid the formation of a barrier layer. The first Se layer which after forming is of high resistivity, is preferably applied by evaporation so that its thickness may be kept to a minimum. The carrier plate may be of Al, Ni or Ni-plated Fe and preferred Cd alloys are a Bi : Cd alloy containing less than 40 per cent by weight of Bi, a Sn : Cd alloy containing less than 40 per cent of Sn, and a Pb : Cd alloy containing less than 82.5 per cent Pb. Thallium and/or indium in free or combined form may be added to the Cd or alloy in amounts between 0.1 and 0.001 per cent. The further electrode may be formed by applying an evaporated bismuth selenide layer to the second Se layer and the spraying on a layer of Bi. Alternatively Bi may be sprayed on the second Se layer before it is formed.
Patent GB-179601-A (GB)
Title: Improvements in or relating to switching arrangements for secondary battery systems
IPC: H02J7/14
Filed: 1921-02-02
Abstract: 179,601. Cornish, A. H., Saunders, H. S., and Petters, Ltd. Feb. 2, 1921. Lighting and heating systems. -A switching system for a supply system comprising a dynamoelectric machine, adapted to operate as a starting-motor, a battery, and a load circuit is arranged to connect the dynamo to a portion of'the battery and the load circuit in parallel, to connect the dynamo across the whole of the battery and the load circuit across a portion of the battery, and to connect the load circuit across the whole of the batterv when the latter is not on charge. A dynamo-electric machine a, Fig. 1, adapted to operate as a starting-motor when the switch m is closed, is connected to a portion of the battery b and the load c through a switch r when running as a dynamo, when the arm 7, Fig. 2, is moved to position A, and the switches p, q are closed. When the switch-arm 7 is placed in position H the whole of the battery b is placed across the dynamo and the load c is placed across a portion of the battery. In the position C of the arm 7 the dynamo a is disconnected and the load c is placed across the whole of the battery. The charging-circuit of the battery is completed through a coil p, Figs. 1 and 2, so that when the dynamo is running an armature 6 is moved into the path of the arm 7 to prevent the latter from being moved into the position C.
Patent GB-577998-A (GB)
Title: Improvements in or relating to photographic materials
IPC: G03C1/76
Filed: 1944-03-03
Abstract: 577,998. Photographic materials. WELFORD, S. F. W.. March 3, 1944, No. 3969. [Class 98 (ii)] A photographic wet printing paper has superimposed on the emulsion layer a layer of a binder resin which is water insoluble but soluble in alkali and on the other side of the support a layer of protein. The material may then be packed face to back without deterioration of the resin layer. The protein layer may be gelatin, casein or zein. The binder resin may be an alkyd resin, e.g. condensation products of glycols, glycerol, sugars or simple derivatives thereof, and polycarboxylic acids, e.g. citric, maleic, phthalic, succinic and tartaric acids ; or a polyvinyl acid ester, or a condensation product of terpene with alpha- #- unsaturated polycarboxylic acid or maleic anhydride, or a polymerized n ethyl methacrylate containing free carboxyl groups. The support is of paper. The protein layer is applied to the back thereof in the form of a 4 per cent aqueous solution of gelatin. Specifications 550,775 and 575,512 are referred to.
Patent GB-1069979-A (GB)
Title: Improvements in and relating to electrical components
Inventor: BEATTIE ROBERT WILSON
IPC: H01G4/236
Filed: 1965-01-29
Abstract: 1,069,979. Capacitors. TELEPHONE MANUFACTURING CO. Ltd. Jan. 29, 1966 [Jan. 29, 1965], No. 4072/65. Heading H1M. A resistive path between the L-shaped terminal tags of a capacitor consists of a plate 10 coated on one side with resistive material, the tags and plate being secured to sealing disc 14 by clamping between the heads 18 and shoulders 17 (see Fig. 2, not shown) of tubular rivets extending through holes in the plate. Lead wires from the capacitor pass through the rivets. The resistive coated plate may be on the inside of the sealing disc if the contents of the casing do not affect the coating.
Patent GB-709771-A (GB)
Title: An electric switching mechanism for automatically controlling refrigerator unit defrosting cycles
IPC: F25D21/00
Filed: 1952-02-15
Abstract: 709,771. Time switches; thermal switches. RANCO, Inc. Feb. 15, 1952 [Feb. 15, 1951], No, 4083/52. Class 38(5) A switch for defrosting a refrigerator at a predetermined time comprises, as shown, two sets of contacts 17, 18 and 18, 19, the latter opening to cut off the refrigerator motor M, and the former closing to energize a heater H for the evaporator E, at the predetermined time. A thermal capsule 46 acts at a certain temperature of the evaporator to restore the contacts, but if the thermal means fails to operate, a cam restores the contacts after a predetermined interval, e.g. 20 minutes. Blades 12, 14 carrying contacts 17, 19 are inter-connected with little or no play by a member 20, through which the blade 13 carrying contact 18 passes freely. The blade 14 bears against a cam 25 which gradually forces the contacts to the right against their inherent bias which normally holds contacts 18, 19 closed. During this movement, blade 13 moves past a latch 37 which retains this blade when blade 14 drops down a step 34 on the cam, contacts 18, 19 thereby opening and 17, 18 closing. The capsule 46 acts on the latch 37 over a bellcrank lever 44 and at a certain temperature fixed by an adjustable screw 39, releases blade 13, so that the contacts are restored to normal. If the latch 37 is not thus released, a cam 50 after the predetermined interval allows a spring 53 to snap to the right to push blades 12, 14 to the right by means of a bar 54. The heater H may be omitted and the evaporator heated by hot gas from the condenser, a by-pass valve being operated when contacts 17, 18 close; in this event blade 14 would be omitted and blade 12 would engage the cam 25.
Patent GB-744994-A (GB)
Title: Improvements relating to annular joints
Inventor: HUMPHRIS WILLIAM HENRY PHILIP
IPC: B23P11/02
Filed: 1953-02-13
Abstract: 744,994. Jointing. ENGLISH ELECTRIC CO., Ltd. Feb. 12, 1954 [Feb. 13, 1953], No. 4106/53. Class 83 (4). [Also in Group XXIII] An annular joint between two joint members of the type in which one joint member fits the other with an interference fit is characterized in that a plurality of ducts communicating with the contacting joint surfaces of the members at angularly spaced positions are provided in at least one of the joint members, said ducts connecting with a fluid pressure source whereby fluid may be forced between the contacting surfaces of the members to facilitate their separation. In an embodiment a taper-bored pinion 11 is shrunk onto a tapered shaft 10 and locked in position by a nut 12. The shaft is bored axially at 15 to provide a pressure fluid feed to three radially disposed ducts 16 each of which is countersunk to form pockets 17 in the joint surface of the shaft. To remove the pinion from the shaft the nut and its washer are removed and the bore 15 is connected to fluid pressure means. In a further embodiment a wheel hub 20 is keyed to a cylindrical shaft 21 with an interference fit and has a part 20a of reduced diameter in which is formed an annular groove 22. Three radial ducts 23 communicate from the groove to pockets 24 formed in the bore of the wheel hub. The groove is closed by a sealing ring 25 shrunk onto the reduced part 20a and welded thereto. Pressure fluid is supplied to the groove 22 through a tapped hole 26 in the sealing ring. Reference has been directed by,the Comptroller to Specification 599,304.
Patent GB-177928-A (GB)
Title: New or improved means for anchoring the inner ends of compensated cantilever leaf springs for cycle saddles and the like
IPC: B62J1/04
Filed: 1921-02-05
Abstract: 177,928. Brooks & Co., Ltd., J. B., and Lawrence, A. H. Feb. 5, 1921. Saddles. - A device for securing the leaf springs of motor-cycle saddles &c. to the carrier, for instance in accordance with the construction described in Specification 161,364, comprises a bar or shank 1 carrying the leaf springs 6 through an adjustable attachment 8, 9, 10, and provided with a clip or clamp for adjustable attachment to the carrier bar 4. The clip or clamp is formed of an integral jaw 3 and a separable jaw 2, the jaws being clamped together by a threaded bolt 5. The device may be employed for securing the springs to the carrier both at their ends and at their central portions where they are pivoted.