baber/WOPTO huggingface dataset:
Patent GB-2464127-A (GB)
Title: Delaying the commencement of a connectivity check message monitoring interval until after a predetermined number of valid check messages have been received
Inventor: CREMIN CON
IPC: H04L12/26
Filed: 2008-10-04
Abstract: In a conventional Ethernet OAM system a local endpoint transmits and receives repetitive connectivity check messages (CCM) on a link between the two endpoints. When there is an absence of received connectivity check messages within a monitoring interval it is determined that there has been a loss of connectivity. The inventors have realised that it is advantageous to delay the commencement of the monitoring interval until a predetermined number of valid connectivity check messages have been received. The invention thus checks for the establishment of continuity before a check for loss of connectivity is made. The invention may be implemented as a state machine (see Fig. 6) which remains in a waiting state until a counter reaches a predetermined value. The CCMs are also known as continuity check messages.
Patent GB-2454603-A (GB)
Title: MEMS device
Inventor: LAMING RICHARD IAN
IPC: B81C1/00
Filed: 2006-02-24
Abstract: A method of fabricating an acoustic micro-electrical-mechanical system (MEMS) on a substrate 10 comprises the steps of depositing first electrode 152, depositing a silicon nitride membrane 16 so that it is mechanically coupled to the first electrode, and depositing a silicon nitride back plate 18 on a second electrode 17, wherein the back plate is deposited with an increased tensional stress compared to the silicon nitride membrane. The device can be configured as a MEMS microphone, an ultrasonic transducer, an absolute or differential pressure sensor, or an immersion acoustic transducer. An array of MEMS microphones combined with signal processing circuitry can be operated as a directionally selective microphone.
Patent GB-2455482-A (GB)
Title: Methods and compositions relating to the control of the rates of acid-generating compounds in acidizing operations
Inventor: MOOREHEAD ALAN W
IPC: C09K8/72
Filed: 2007-10-03
Abstract: Of the many methods provided, in one embodiment, a method is provided that comprises: providing an acid-generating fluid that comprises an acid-generating compound, a base fluid, and a salt; placing the acid-generating fluid in a well bore penetrating a subterranean formation; allowing the salt to affect the hydrolysis of the acid-generating compound; and allowing the acid-generating compound to produce an acid that then acidizes at least a portion of the formation or damage contained therein.
Patent GB-2461157-A (GB)
Title: Method of curing an inflatable packer
Inventor: CORRE PIERRE-YVES
IPC: B29C35/00
Filed: 2009-06-17
Abstract: A method of curing a packer assembly 110 includes; making a packer assembly by placing an inflatable packer 126 around a mandrel 144, wrapping the inflatable packer with a polyamide bandage 120 and placing a sealing layer 130 around both the polyamide bandage and the inflatable packer to form an airtight seal about the inflatable packer which prevents oxidation during curing. The curing can take place in an air autoclave. There may be an outer polyamide bandage around the sealing layer. The polyamide bandages can be wrapped around the inflatable packer or sealing layer to compact them during curing. The sealing layer may be a polymeric material and the inflatable packer can be formed from rubber. In a further embodiment the polyamide bandage may comprise an anti oxidation layer with no separate sealing layer.
Patent GB-2457621-A (GB)
Title: Plug with expandable packer element
Inventor: MELLEMSTRAND JONE
IPC: F16L55/128
Filed: 2007-12-12
Abstract: The present invention relates to an arrangement for use with a plug (1) for sealing against an inner wall of a pipeline (30), comprising a main body and sealing means, which sealing means comprises an annular packer element (7), arranged between two relative movable body elements (5,6) of the main body actuated by actuation means, where the movable elements form surfaces (500,600) in abutment against the packer element (7). The packer element (7) comprises a radially inner section (705) which is mainly incompressible in a direction transverse to a circumferential direction and where sections of the two surfaces (500,600) in abutment against the inner section (705) of the packer element (7) in a retracted position, forms different angles in relation to an axis in radial direction in relation to a longitudinal axis of the plug.
Patent GB-2474010-A (GB)
Title: Method for initiating conferencing on a network by sending messages to determine node capabilities
Inventor: MENZIES RUPERT
IPC: H04L12/18
Filed: 2009-09-10
Abstract: Conferencing communication is established to enable formation of a collaborative working environment, by means of a server capable of receiving a request for establishment of a conferencing communication. The request contains information identifying requirements for successful establishment of conferencing communication, and the server enquires whether the or each participating station is capable of meeting these requirements, before inviting those participants with the necessary capabilities to join the call.
Patent GB-2463797-A (GB)
Title: Hard skin removal device
Inventor: KAY PETER
IPC: A61B17/00
Filed: 2009-09-28
Abstract: The hand held device comprises a handle 1 and a cutting head 2 having a base plate 8, and several tubular cutting elements 10 inclined so that their cutting edges lie in inclined planes at an angle of 5° to 45° to a skin contact plane defined by the extremities of the cutting elements. The cutting elements can be arranged in an array of staggered rows. The cutting elements may open into cavity 6 so that cut skin which collects in the tubes may be removed.
Patent GB-2474290-A (GB)
Title: A compression roll housing having slots provided with bristles
Inventor: DREER CONSTANTIN
IPC: A01F29/09
Filed: 2009-10-09
Abstract: A compression roll housing1for an agricultural machine, the housing being provided with at least one elongated aperture7for receiving a shaft3of a compression roll2a, said aperture7allowing movement of the shaft3within the aperture7along its longitudinal axis, characterised in that the at least one elongated aperture7is provided with fibrous strands4. The strands4may extend across the aperture7transverse to the longitudinal axis. The fibrous strand4may be bristles. The housing1may further comprise a removable protection plate9which may be provided with at least one further elongated aperture10which is provided with fibrous strands4.
Patent GB-682069-A (GB)
Title: Improvements in and relating to controlling the supply of vapours of volatile liquids
Inventor: COX LAWRENCE ALFRED
IPC: A61M16/18
Filed: 1949-04-14
Abstract: 682,069. Anaesthetic apparatus. AIRMED, Ltd. April 11, 1950 [April 14, 1949; Nov. 1, 1949], Nos. 10149/49 and 27996/49. Class 81 (ii). The outlet from analgesic apparatus receives one part of its air direct from atmosphere and the rest through a vaporiser, the latter path including a temperature-controlled valve, the temperature-sensitive element being positioned at the point where the secondary air leaves the vaporiser. In the form described, the main part of the air is received into the inhaling tube 12 through a port 16, which may be partially closed to an optional extent by rotating an obturating sleeve 18, and which carries an apertured guard 62 to prevent accidental complete closure of the orifice. The vaporiser comprises a body 22 containing spaced felt pads, in which liquid anµsthetic is absorbed, and so apertured as to provide a tortuous path for air passing from inlet apertures 24 to the top of the container. The temperature-sensitive valve 26 comprises concentric cylinders 28, 44 having registering ports 48, 50, the inner one being rotatable relative to the other by a bi-metallic spring 36 so as to reduce the resultant orifice on rise of temperature. In order to provide any desired change of anµsthetic content with temperature changes, a suitably shaped cylindrical mask 52' is clamped over the valve body 28. The vaporiser is charged by unscrewing the body 22 from the inhaler body at the cover 10 and saturating the felt pads with anaesthetic, any excess being allowed to flow out of the apertures 24. Specification 646,680 is referred to.
Patent GB-743010-A (GB)
Title: Improvements in grapnels for raising submarine cables
Inventor: LIDDERDALE AUBREY DOUGLAS
IPC: B63C11/50
Filed: 1953-04-14
Abstract: 743,010. Grapnels. TELEGRAPH CONSTRUCTION & MAINTENANCE CO., Ltd. April 6, 1954 [April 14, 1953], No. 10227/53. Class 113. Guide arms 15 on a grapnel for engaging and cutting a submarine cable are automatically moved from the position of Fig. 1 to that of Fig. 3 when the cable is engaged so ensuring that the cable C is trapped between the cutting side arms 27 and the shank of the grapnel. The guiding arms 15 are normally held in the position of Fig. 1 by lugs 18<SP>1</SP>, Fig. 4, formed on arms 21 on a sleeve 20 and engaging in L-shape recesses 19 in the guide arms. The arms are released when a cable C is engaged by one of the prongs P of the grapnel and bears on a collar 22 on the sleeve 20 to depress the sleeve against the bias of rubber bushes (not shown) by which it is mounted in the shank of the grapnel. The cutting arms 27 of the grapnel are normally held in the position of Fig. 1 by a frangible pin 12 and are released in the usual way when the traction on cables W is sufficient to break the pin. The cables W are secured to wheels 8 fast with the guide arms 15 so that they also serve to move these arms outwardly. A stopper 11 and guard G prevent mud entering the mechanism.
Patent GB-891488-A (GB)
Title: Self-hardening water glass cement compositions
IPC: C04B28/26
Filed: 1958-03-31
Abstract: A self hardening water glass composition comprises a solid constituent of an inert filler and a hardener consisting of either a mineral or an organic compound containing a free amino or an amide group and of a purity such that less than 1,57 of its weight of an ammonium compound would be formed on reaction with water, and a water glass constituent of either a Sio2/Na2o of 2,75 to 3,4 or a Sio2/K2o of 2,25 to 2,5 up to 10% relative to the hardener of a derivative of an aliphatic acid e.g. an ester or anhydride may be included a list of suitable compounds being given.  Specified hardeners are formamide and cyanamide and its bivalent metal derivatives, whilst fillers are quartz, glass, porcelain, chamotte, stoneware, natural or synthetic graphite, Keisel-weiss silicon carbide and silicon, singly or in admixture.
Patent GB-1291402-A (GB)
Title: Flame-injection throat for a boiler
Inventor: BLACK WILLIAM BROWN
IPC: F22B37/14
Filed: 1971-04-21
Abstract: 1291402 Tube walls for furnaces W B BLACK 21 April 1971 10333/71 Heading F4B A flame injection throat or burner guard for a boiler having tubes 12 arranged in banks on either side of the quarl with their axes perpendicular to the quarl axis, has refractory cement surrounding the tubes and refractory tiles 5 lining the quarl, at least some of the tiles having recesses 9 in their front face to receive nuts 14 Fig. 4, securing bolts 13 passing through the tiles 5 and fast with the tubes, and refractory cement filling the recesses. The rear faces of the tiles 5 are grooved at 15 to key with the refractory cement lining the quarl, and the edges of the tiles are rabbeted, Fig. 3.
Patent GB-117659-A (GB)
Title: Improvements in or relating to Tipping Wagons, Trucks, or the like.
IPC: B60P1/10
Filed: 1917-07-23
Abstract: 117,659. Bartlett, H. A., and London Improved Motor Coach Builders, Ltd. July 23, 1917. Tipping-wagons.-The body of a tip-wagon is adapted to be tipped to either side about one or other of two hinge pins i which pass through holed plates .a on the bolster B, and slotted brackets i<2> on the chassis A. The slot in the brackets i<2> is contracted at the upper part so as normally to prevent the hinge-pin passing out of the slot: By sliding one or other of the hingepins axially, reduced parts thereof pass into the slot and the body can he raised at that side by the jack k pivoted at m on the chassis or by other means. The invention can be applied to railway vehicles as well as to motor road vehicles as shown.
Patent GB-398760-A (GB)
Title: Improvements in or relating to magnesium base alloys
IPC: C22C23/00
Filed: 1933-04-08
Abstract: Ternary magnesium alloys consist of not less than 80 per cent of magnesium and not less than 0,5 per cent each of cadmium and zinc, preferably 0,5-12 per cent of cadmium and 0,5-8 per cent of zinc.
Patent GB-1420071-A (GB)
Title: Verbe trims
IPC: E04D13/158
Filed: 1972-03-07
Abstract: 1420071 Roof flashing RUBEROID Ltd 6 March 1973 [7 March 1972] 10610/72 Heading E1W A roof flashing 1 formed e.g. of metal, resin impregnated glass fibres, P.V.C. or foamed plastics has a roof engaging portion 2 and a wall or weather board engaging portion 3. The portion 3 may be bent inwardly out of its normal position shown in dotted lines, to contact the wall or weather board 3 to which it may be secured by nails through elongated slots in the flange 8 allowing for expansion. The nails or other fixing elements may be concealed by a cover strip, not shown, clipped between the V-section groove in the flange 10 and the bead 9. End caps may be provided of similar flexible material deformable to cover the end cross section of the flashing.
Patent GB-118867-A (GB)
Title: Improvements in Steam Valves.
Inventor: WALLACE JOHN
IPC: F01L33/02
Filed: 1917-07-24
Abstract: 118,867. Wallace, J., aud Lees, T. R. July 24, 1917,. Rotary valves; toothed gears.-A rotary valve for two cylinders B is formed with two heads having sets of steam and exhaust ports 3, 3<1>, 5, 5<1>, of which the ports 3, 5 or 3<1>, 5<1> are adapted to regis. ter with the cylinder porte 4, according tothe direction of rotation. The valve rotates in a chamber comprising co-axial inner and outer members 7, 8, Fig. 4. The members 7 are pressed. inwardly by springs 9, and are acted upon axially by a spring 10. The space between the parts is filled with steam. The valve is driven by toothed gearing 12 from the main shaft, and is moved longitudinally for reversal.
Patent GB-819553-A (GB)
Title: Improvements in or relating to pneumatic tyres for vehicle wheels
IPC: B60C11/12
Filed: 1957-04-01
Abstract: 819,553. Pneumatic tyre tread. PIRELLI S.p.A. April 1, 1957 [Jan. 31, 1957], No. 10633/57. Class 144 (2). A pneumatic tyre tread A comprises at least three circumferential ribs 1 separated by tortuous circumferential grooves 2, the ribs 1 being odd in number and each having a tortuous circumferential incision 3 disposed centrally around its length, and the grooves 2 being disposed symmetrically on opposite sides of the central plane of the tyre. The grooves 2 and incisions 3 may be zig-zag or sinusoidal and of varying pitch along their length, the configuration of the incision 3 in the central rib 1 being preferably the same as that of the incisions in the laterally outer ribs 1. The incisions 3 are not so deep as the grooves 2, and the laterally outer ribs may have circumferentially spaced transverse slots 4 therein extending into the side walls B, C.
Patent GB-354247-A (GB)
Title: Improvements in sheet metal tanks or drums
IPC: B65D88/12
Filed: 1930-04-04
Abstract: 354,247. Metal tanks. TANKS & DRUMS, Ltd. and BELLERBY, H., Bowl. ing Iron Works, Bradford, Yorkshire. April 4, 1930, No. 10648. [Class 69 (i).] Sheet-metal drums or tanks, e.g. for lubricating oils or petrol having end flanges a are strengthened by hoops g forced over the flanges, projections h on. the rings being caused to engage the inner surfaces of the flanges. Corrugations w with which the inner edges of the rings contact may be provided on the body.
Patent GB-877333-A (GB)
Title: Manufacture of radioactive iodine
Inventor: CONSTANT RENE
IPC: G21G4/04
Filed: 1958-04-02
Abstract: 877,333. Purifying radio-isotopes. CENTRE D'ETUDE DE L'ENERGIE NUCLEAIRE. April 2, 1958, No. 10653/58. Class 39(4). Radioactive iodine 131 is produced by neutron irradiation of a tellurium compound which is readily soluble in an aqueous solution, dissolving the irradiated compound, and separating iodine 131. Telluric acid after irradiation is dissolved in 2N sulphuric acid and heated to distil off water and iodine 131: tellurium may be recovered from the residual solution by crystallisation or precipitation with nitric acid. Alternatively iodine 131 may be removed from the acid solution by extraction with carbon tetrachloride and then returned to aqueous solution by contacting the carbon tetrachloride with sodium thiosulphate solution. Specification 763,865 is referred to.
Patent GB-106559-A (GB)
IPC: A61H3/02
Abstract: 106,559. Sparrow, H. C. July 27, 1916. Crutches. -- The arm-rest is mounted so as to permit of relative oscillating and vertical sliding movement between it and the stem a of the crutch. The arm-rest is provided with an extension f pivoted on a spindle g vertically movable in slots in coverplates i, the lower edge of the extension being grooved to engage a wheel d having a pneumatic, solid, or spring tyre e, so as to give resiliency. The lower edge of the extension f may either be substantially straight, so that the wedging of the tyre at the end of the oscillating movement introduces a braking action, or may be curved.
Patent GB-280792-A (GB)
Title: Improvements in or relating to flexible shafts
IPC: F16C1/08
Filed: 1927-04-20
Abstract: 280,792. Joline, E., A. April 20, 1927. Flexible shafts consisting of coiled wires such as 1, 2, 3, Fig. 2, which may be wound on a core 5 are locked, without the use of solder &c., against untwisting by having their ends swaged to cylindrical form or preferably to polygonal form or with a projecting rib 13, Fig. 5, to provide attaching means for driving and driven members. A length of shafting, Fig. 1, may be swaged at intermediate points 6 and severed at the lines 8 to provide shorter shafts on the swaged ends.
Patent GB-1198355-A (GB)
Title: Stabilization of Olefin Polymers
Inventor: BRANCHESI MILLO
IPC: C08K5/57
Filed: 1968-03-05
Abstract: 1,198,355. Stabilizing olefin polymers. MONTECATINI EDISON S.p.A. 5 March, 1968 [7 March, 1967], No. 10744/68. Heading C3P. Olefin polymers are stabilized with mixtures comprising (a) an ester of thiodipropionic acid or thiodiglycol; (b) a phosphite of formula P(XR) 3 , where X is O or S and R is alkyl, aryl or alkaryl, optionally substituted with functional groups; (c) a phenolic antioxidant; (d) an organotin compound; and (e) a calcium or magnesium soap. The polymer may be of ethylene, propylene, butene-1, pentene-1, 4-methylpentene-1 or styrene. Preferred compounds are (a) dilauryl and dioctadecyl thiodipropionates and thiodiglycol dilaurate and dioctadecanoate; (b) trilauryl, trioctadecyl and trinonylphenyl phosphites and trislauryl trithiophosphite; (c) o- and p-substituted phenols, phenol/aldehyde and phenol/ketone condensates and triazine phenols; (d) dialkyl tin dilaurates and maleates; and (e) calcium and magnesium stearates. The compositions may also contain basic nitrogen-containing polymers, dyes and pigments, spacifiers and fillers, and may be made into filaments, fibres, films, tapes and yarns. In examples polypropylene is stabilized with dilauryl thiodipropionate, trilauryl phosphite, dibutyl tin laurate - maleate and 1,1,3- tri(2 - methyl - 4 - hydroxy - 5 - t. butylphenyl)butane, 2,4 - bis - n - octylthio - 6 - (4<SP>1</SP>- hydroxy - 3<SP>1</SP>,5<SP>1</SP> - di - t. butylanilino) - 1,3,5- triazine or 2,6 - di - t. butyl - p - cresol.
Patent GB-252690-A (GB)
Title: Process for the production of lithium carbonate
IPC: C01D15/08
Filed: 1926-04-23
Abstract: 252,690. Metallbank und Metallurgische Ges., Akt.-Ges. May 29, 1925, [Convention date]. Potassium sulphate. - Solutions containing lithium and potassium sulphates, which may be obtained for instance in the treatment of lepidolite or amblygonite, are treated with potassium salts, particularly potassium chloride, so as to salt out the potassium sulphate and convert the lithium sulphate into chloride. After the removal of the potassium sulphate, sodium or potassium carbonate is added to precipitate lithium carbonate. The mother-liquor may be used for adding to more of the original solution.
Patent GB-101788-A (GB)
Title: Improvements in and relating to Foundry Moulding Machines.
IPC: B22C11/04
Filed: 1916-08-01
Abstract: 101,788. Alfelder Maschinen-und- Modell-Fabrik Kunkel, Wagner, & Co. Oct. 9, 1915, [Convention date]. Moulding-machines. - Portable, hand-operated moulding-machines employing a rotary table are designed so that the same hand-lever effects ramming at one station and drawing at another. The table 2 is rotatable about the column 15 of the frame, provided with track wheels 4. A hand-lever 6 is linked at 8 to toggle mechanism 13 controlling the ramming-bead 24, and at 14 to a rock-shaft 17 actuating a lifting-ram 20. A jib crane 3 is provided for the removal of the moulds. In a modification, the link 8 has a pin passing through a slot in the lever 6 and carrying rollers at its ends working in slots 23 eccentric to the lever pivot, thus giving increased leverage at the end of the stroke. The upper part of the hand-lever may be bent and detachable, the initial part of the stroke being effected with the bent portion projecting downwards, and the latter part with the bent portion upwards. The machine may be arranged for pattern-drawing only. Specification 9634/84 is referred to. The Specification as open to inspection under Sect. 91 (3) (a) states that the lever 6 may be replaced by a toothed wheel and gear train. This subject-matter does not appear in the Specification as accepted.
Patent GB-571541-A (GB)
Title: Means for operating an electric switch at a pre-determined time
IPC: G04C23/16
Filed: 1943-09-05
Abstract: 571,541. Time switches. WARD, H. Sept. 5, 1943, No. 10853. [Class 38 (v)] At a predetermined time, a step in a clockwork-driven cam 8 reaches a pin 6, whereupon the cam moves bodily to the left to effect a momentary closure of a circuit. In the form shown the bodily movement of the cam is caused by a spring 4 which gives an impulse to a pendulum 1 causing this to momentarily engage a fixed contact 9. In modifications, the pendulum operates a rotary switch or a tilting mercury switch or causes a contact to pass rapidly over the conducting side of a member whose other side is insulating 4 and is engaged during the slow return movement of the contact.
Patent GB-1099105-A (GB)
Title: Process for the production of graft copolymers
IPC: C08F263/02
Filed: 1966-03-11
Abstract: Vinylidene chloride is grafted on to a copolymer of ethylene and a vinyl ester of formula CH2=CHOCOR, wherein R is an alkyl group having not more than 6 carbon atoms or an aryl group. Preferred esters are vinyl acetate, vinyl n-butyrate, vinyl propionate and vinyl benzoate. The polymerization may be effected in the presence of an additional monomer, e.g. an ester of (meth)acrylic acid, a vinyl ether or ester, an olefin, an itaconic acid ester, vinyl chloride or 1,2-dichloroethylene.  The catalyst may be a Redox system, e.g. H2O2, ascorbic acid and an Fe salt, or a free radical catalyst alone, e.g. H2O2; dibenzoyl, dilauroyl, diacetyl, di-trichloroacetyl, cyclohexanesulphonyl acetyl or dicrotonyl peroxide; a perdisulphate, perborate or peracid such as peracetic acid; or azoisobutyronitrile. In Example 1 an ethylene-vinyl acetate copolymer is dissolved in vinylidene chloride and ethyl acrylate is added to the solution, which is emulsified in water before polymerization is carried out using the aforementioned Redox system.  The copolymer/vinylidene chloride solution is suspended in an aqueous medium in Examples 2 to 6 and polymerized using cyclohexanesulphonyl acetyl peroxide as catalyst; in Example 6 the suspension medium contains ethyl acrylate. The graft polymer from Example 1 may be stabilized with cetyl alcohol.  Fibres, sheets and films may be produced from the graft polymers.