baber/WOPTO huggingface dataset:
Patent GB-1310277-A (GB)
Title: Bonding metals without brazing alloys
IPC: B23K35/00
Filed: 1970-10-27
Abstract: 1310277 Welding by pressure; soldering CONTACTS Inc 27 Oct 1970 [3 Nov 1969] 50941/70 Heading B3R A process for bonding metal surfaces together comprises oxidizing at least one of the surfaces by heating in an oxygen containing atmosphere, e.g. air, heating the juxtaposed surfaces in a reducing atmosphere to a bonding temperature below the melting temperature of either surface and cooling the bonded surfaces under oxidizing- inhibiting conditions. Bonding may involve diffusion, the bonding temperature preferably being high enough to ensure that a minor proportion of a liquid phase is formed between the surfaces during bonding. If the metal surfaces are of non-eutectic forming materials (e.g. of the same metal) bonding may be carried out after a preliminary plating step. The invention is described with particular reference to the manufacture of electrical contacts in which a silver or silver alloy facing is bonded to a copper or steel rivet. Examples are given or reference made to the bonding of: silver and various silver alloys to copper and silver-plated or tin-plated copper; copper or silver to nickel plated steel (one or other surface preferably being flash-plated with copper or silver); nickel plated steel to tungsten; aluminium to copper and silver (with appropriate copper and/or silver plating); and a silver coated copper plated ceramic to unspecified metals. The reducing gas may be hydrogen or dissociated ammonia and the reducing atmosphe e is maintained till the bonded pieces have cooled. Bonding is generally carried out without extra pressureb eing applied at the bonding surfaces and the workpieces may be supported in carbon or ceramic jigs.
Patent GB-1310398-A (GB)
Title: Floating barrier
IPC: E02B15/06
Filed: 1970-10-22
Abstract: 1310398 Floating barriers J MULLER 22 Oct 1970 [24 Oct 1969] 50147/70 Addition to 1228415 Heading E1H A floating barrier for containing oil spills and waste is formed from buoyant panels releasably articulated together by hinge pins 23 of hairpin shape which fit through sleeves 24, 25 and apertured flanges 26, 27 provided at the ends of the rounded panels, so that the ends of adjacent panels form a seal. Nylon reinforcement plies 30 which pass around the sleeves 24, 25 and extend along the length of the panels, are covered by a closed cell foam rubber or synthetic plastics buoyant padding 31 and a waterproof rubberised sheet or plastics foil or film coating 32. Alternatively (Fig. 6 not shown) the reinforcement may comprise nylon cables secured to loop members which enclose the sleeves. Ballast weights may be secured via cables or chains to the bottoms of the connecting means between adjacent panels.
Patent GB-1092806-A (GB)
Title: Process for the production of adamantane
IPC: C07C5/03
Filed: 1964-12-16
Abstract: Adamantane is prepared by heating tri-methylene norbornane with aluminium chloride and hydrogen chloride to a temperature of 90 DEG to 120 DEG  C. for at least 1 hour with agitation. The trimethylene norbornane starting material may be a mixture of the exo- and endo-compounds obtained by hydrogenating dicyclopentadiene at 80 DEG to 150 DEG  C. and a pressure of 5 to 100 atm. in the presence of a nickel-on-kieselguhr catalyst containing 60 to 65% nickel.
Patent GB-1057400-A (GB)
Title: Method of manufacturing colorless or colored melamine modified phenolic resins
IPC: C08G14/10
Filed: 1963-12-31
Abstract: Substantially colourless melamine modified phenolic resins are prepared by condensing a monohydric phenol, melamine, and formaldehyde at a pH maintained between 5 and 8 by the addition of a colourless metal compound containing no ammonium or amine groups, or a metal giving a colourless phenolate or hydroxide with phenol or water, the components being reacted simultaneously, or the phenol or formaldehyde being added last.  Suitable metallic compounds are NaOH, KOH, Na2CO3, K2CO3, Ca(OH)2, Mg(OH)2, Mn(OH)2, ZnO, TiO2, and metallic Mg, Al, Zn.  The ratio of melamine to phenol should be at least 0.15:1, preferably 0.5-1:1.  The three components may be reacted simultaneously, or the phenol may be added to the melamine-formaldehyde product, or a part of the formaldehyde may be reacted with the melamine and phenol, and the remainder then be added.  A melamine resin curing catalyst is desirable when the melamine content is high.  When these resins are used in moulding compositions or in laminating, benzene or toluene sulphonamides may be added as plasticizers.  Latent curing catalysts, which provide rapid cure and a long pot life, may be added and may be e.g. the phthalates or p-toluenesulphonates of zinc, magnesium, aluminium, melamine or guanide.  Dyes or pigments (e.g. TiO2, cadmium red, cadmium yellow, cobalt blue, cobalt green, and iron oxide) may be added at any stage of the process. In examples compositions are made with a -cellulose pulp and resins prepared i.p.o. NaOH, Na2CO3, Mg(OH)2 or ZnO.  Uses: moulding compositions, adhesives, laminating and coating compositions.
Patent GB-1131143-A (GB)
Title: An improved x-ray gauging apparatus
Inventor: HOOD JOHN LAURENCE LINSLEY
IPC: H01J35/02
Filed: 1964-12-17
Abstract: 1,131,143. X-ray coating thickness measurement. BRITISH CELLOPHANE Ltd. Dec. 9, 1965 [Dec. 17, 1964], No. 51430/64. Heading G1A. [Also in Divisions B2, G3, G6 and H5] An apparatus which determines the amount of an element(s) present in a material by X-ray absorption is characterized by the X-ray source comprising a #-particle-emitting radio-active source and gaseous target material which emits X-rays on bombardment with #-particles. The radio-active material or any decay product thereof must not emit y radiation or any internal conversion X-rays. The apparatus can be to control a coating device, e. g. coating polyvinylidene chloride-acrylonitrile copolymer on a cellulose film, so that any variation in the applied coating thickness detected by the elementdetermining apparatus causes a compensatory change in the rate of application of the coating on to the film to maintain the coating thickness constant. The peak radiation spectrum may correspond to the peak absorption spectrum of the X-ray absorbing element, e. g. chlorine in the above coating device. The X-ray detector may be a scintillation counter. The X-ray source may be a gaseous diffusion proof X-ray and #- particle impermeable container having an X-ray permeable window e. g. stainless steel with a beryllium window, in which the peak energy value of the #-particles emitted does not exceed 0À175 MeV. The radio-active material can be solid, e.g. Ni63 or S35, or gaseous, e.g. tritium. The target may be gaseous e.g. Ar or SO 2 , or a mixture of mutually unreactive gases. The target and radio-active material may be chemically combined, e.g. tritium-substituted HC1, HB 5 , SiH 4 , PH 3 , P 2  H 5  or H 2  S. Alternatively the radioactive material can be combined with an inactive material to form a gaseous compound, e. g. H 2 S S containing S-35 with S also as the target.
Patent GB-1375857-A (GB)
IPC: C12N9/88
Filed: 1971-11-08
Abstract: 1375857 Food preparations FARBWERKE HOECHST AG 8 Nov 1971 [7 Nov 1970] 51744/71 Heading A2B [Also in Division C3] A digestive preparation comprises pectic acid trans-eliminase obtained from the cultivation of Bacillus polymyxa, preferably strain ATCC 21551, and may further comprise a pharmaceutically acceptable carrier, e.g. in the form of a tablet or dragÚe, a foodstuff suitable for animal or human consumption, e.g. a cellulose-containing foodstuff, or a beverage. The preparation may be administered to a human or animal to enable the human or animal to degrade plant cell walls.
Patent GB-1395459-A (GB)
Title: Radial piston machine
IPC: F03C1/40
Filed: 1973-11-07
Abstract: 1395459 Reciprocating motors and pumps ROBERT BOSCH GmbH 7 Nov 1973 [9 Nov 1972] 51750/73 Heading F1A In an hydraulic pump or motor comprising a cylinder block 5 rotatable on a pintle valve 4 and having radial pistons 9 with slippers 10 engaging a track ring 11 of adjustable eccentricity, the pintle and pistons are of case hardening steel, the block of alloyed pearlitic grey cast iron and the track ring of steel. The slippers may be made from a cast, rolled or drawn bar section from which the slipper blanks are separated, Fig.2 (not shown), the material being sintered metal, alloyed pearlitic grey cast iron, or nitrided or nitridable steel. The pintle and pistons may be case hardened, and the sliding surfaces of the track ring and the block may be tempered and nitrided, e.g. bath nitrided. One of the sliding surfaces of the track ring or slipper may have a running-in layer, e.g. of cadmium, silver or lead.
Patent GB-1457703-A (GB)
Title: Electroplated aluminium alloy cylinder
IPC: C25D7/00
Filed: 1974-11-29
Abstract: 1457703 Electro-plating aluminium cylinders KIORITZ CORP 29 Nov 1974 [21 May 1974] 51823/74 Heading C7B In an Al-Si hyperentectic alloy cylinder, the finished machined (e.g. honed) sliding surface is pickled, e.g. in a solution containing H 3 PO 4 , H 2 SO 4  and HNO 3 , to remove from the surface to a given depth eutectic Al solid solution surrounding the primary crystal grains of Si which are not corroded and left intact, and the pickled surface is electro-plated with metal or alloy selected from Pb, Fe, Cu, Zn, Sn, Ni, Ag and alloys thereof e.g. Cu-Sn, to improve the sliding surface of electroplated metal or alloy and the top finished Si grains. Prior to pickling the surface may be trichloroethylene degreased, electrolytically degreased and rinsed. Prior to electro-plating the pickled surface may be rinsed, treated in a Zn chemical displacement liquid containing ZnO, NaOH, FeCl 3 , Rochell salt (KNa C4H406) and NaNO 3 , rinsed, treated with Cu striking liquid containing Cu 2 P 2 O 7 , K 4 P 2 O 7  and K 2 C 2 O 4 ÀH 2 O and rinsed. A Pb plating bath may contain Pb(BF 4 ) 2 , HBF 4 , H 3 BO 4  and glue; and an Fe plating bath may contain FeSO 4 ,(NH 4 ) 2 SO 4  and surfactant.
Patent GB-1209167-A (GB)
Title: A method of producing a bonded fiber material
Inventor: ISHIDA SHIGERU
IPC: D04H1/58
Filed: 1967-11-15
Abstract: 1,209,167. Treating textiles; non - woven fabrics. NIPPON CLOTH INDUSTRY CO. Ltd. 15 Nov., 1967, No. 51964/67. Headings D1P and D1R. A fibre substrate, e.g. a woven or knitted fabric, felt or non-woven fibre mat, is impregnated uniformly with regard to the surface thereof with a bonding agent (A) and then impregnated uniformly with regard to the surface thereof with a bonding agent (B) so that bonding agent (A) is applied directly onto the surfaces of the individual filaments or fibres of the substrate and bonding agent (B) envelops the already applied bonding agent (A) and is then treated with a solvent capable of dissolving the bonding agent (A) but incapable of dissolving the bonding agent (B) to dissolve out substantially all of the bonding agent (A) and form minute voids between the fibres and the bonding agent (B). The fibre substrate may comprise cotton, wool, hemp, viscose rayon, cellulose, acetate, polyamide, polyester, polyolefin, polyacrylonitrile, polyvinyl alcohol, polyvinyl chloride or polyvinylidene chloride fibres or a mixture thereof. Bonding agent A may be an aqueous solution of starch, polyvinyl alcohol, casein, carboxymethyl cellulose or an alginate, inorganic salt, organic low molecular weight compound or water soluble resin which in the case of starch may contain dilute acid or diastase and in the case of casein dilute alkali, or polyvinyl acetate, polyvinyl chloride or a polyacrylate, polyamide, modified polyamide, cellulosederivative, thermoplastic resin, thermosetting resin or rubber in the form of a solution, suspension or emulsion, suitable solvents being esters, ketones or aliphatic alcohols. Bonding agent B may be starch, casein, an alginate, polyvinyl alcohol, carboxymethylcellulose, an inorganic salt, natural rubber, polybutadiene, polyacrylonitrile, polystyrene-butadiene, polychloroprene, polyvinyl acetate, polyvinyl chloride or a polyacrylate, polyamide or polyurethane. The bonding agent may contain a plasticizer, cross linking agent, colouring agent or filler. After application of bonding agent (B) curing may be effected and the fibre substrate then treated with the solvent to dissolve bonding agent (A), e.g. hot water. The fibre substrate may subsequently be treated with an anionic or cationic active softening agent or a water proofing agent, e.g. of the silicon type, and may be used in the manufacture of clothing, pouches, bags, shoe uppers or wiping cloths. Reference has been directed by the Comptroller to Specification 1,129,045.
Patent GB-1161824-A (GB)
Title: Partition Structures for Separating Articles Packaged in Wrap-Around Cartons.
IPC: B65D5/49
Filed: 1966-11-21
Abstract: 1,161,824. Partition structure for wrap-around cartons. OLIN MATHIESON CHEMICAL CORP. 21 Nov., 1966 [24 Nov., 1965], No. 52070/66. Heading B8C. A combined longitudinal and transverse partition for separating articles packed in wraparound cartons comprises a longitudinal panel element 11 in which cut or weakened lines define at least two transverse divider elements 13, 14 hinged along one of their edges to a hinge-bar 60 of the panel 11 and rotatable in opposite senses to positions substantially at right angles to said panel.
Patent GB-1029330-A (GB)
Title: Electromagnetic device
Inventor: ZUPA FRANK ANTHONY
IPC: H01H50/26
Filed: 1964-12-23
Abstract: 1,029,330. Electromagnetic relays. ALLIED CONTROL CO. Inc. Dec. 23, 1964, No. 52222/64. Heading H2B. In an electromagnetic relay, generally of the P.O. type, having its armature rockable on a magnetic frame and cooperating with the end of the electromagnet core, the armature is retained and biased by a spring member as shown in Fig. 4. The two legs 45 pass through spaced holes 35 (Fig. 6, not shown) in the armature and are clamped to the frame 27. The loop 48 bears on an edge of the armature beyond the edge of the frame to bias the armature away from the core.
Patent GB-1263709-A (GB)
Title: Semiconductor devices
Inventor: HILSUM CYRIL
IPC: H01L47/00
Filed: 1968-11-07
Abstract: 1,263,709. Semi-conductor devices. NATIONAL RESEARCH DEVELOPMENT CORP. 30 Oct., 1969 [7 Nov., 1968], No. 52759/68. Heading H1K. [Also in Division C7] The invention comprises a semi-conductor device of the type described and claimed in Specification 1,243,053 characterized in that the semi-conductor material is of the formula InP x As 1-x  or In 1-y Ga y As, where x lies between 0À16 and 0À65 and y between 0À15 and 0À43. The materials behave as extrinsic conductors, as is required for the functioning of the device, at and above room temperature.
Patent GB-1121118-A (GB)
Title: Improvements in or relating to stretch multifilament yarns
IPC: D02G3/32
Filed: 1965-12-13
Abstract: A multifilament yarn composed of hollow filaments is crimped - for example by the false-twist method, or by the separate steps of twisting, setting the twist and untwisting.  The filaments may be of nylon and may have a substantially tangential extension jutting out therefrom.
Patent GB-1271707-A (GB)
Title: Container packages
Inventor: OWEN RONALD CHARLES
IPC: B65D71/50
Filed: 1969-10-28
Abstract: 1,271,707. Carrier devices. ILLINOIS TOOL WORKS Inc. 28 Oct., 1969 [29 Oct., 1968], No. 52819/69. Heading B8C. A container carrier element 12 comprises a flexible plastics sheet having apertures 26 of slightly smaller diameter than the containers 16 which are to be gripped thereby, and a plurality of lines of weakness 28, one extending from each aperture 26 to the periphery of the sheet to facilitate removal of a container 16 from the element 12. The element 12 may be connected with a second element 14 which may also have lines of weakness 28 and which grips the containers at portions axially spaced from those gripped by the element 12. The elements 12, 14 are interconnected by webs 30 which are connected to a handle strap 24, integral with the element 12, by frangible sections 32, 34. Alternatively (Fig. 4, not shown) a separate handle (36) which engages the containers 16 may be provided.
Patent GB-1455865-A (GB)
Title: Record changer
IPC: G11B17/12
Filed: 1973-11-14
Abstract: 1455865 Record stabilizer PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 14 Nov 1973 [17 Nov 1972] 52871/73 Heading G5R A record stabilizer device 13 including arm 25, spindle 23 and support bush 15 is secured in the chassis 1 by means of a spring member 17 whereby the complete device can be removed when single records are played.
Patent GB-1324928-A (GB)
Title: Arrangement for testing the conversion accuracy of a circuit constituted by an analog-to-digital convertor and a digital-to- analog convertor
IPC: H04B14/04
Filed: 1971-11-15
Abstract: 1324928 Analogue to digital and digital to analogue converters PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 15 Nov 1971 [18 Nov 1970] 52949/71 Heading G4H A series arrangement of an A/D and D/A converter is tested over its entire amplitude range by a test signal formed from a high frequency signal of constant amplitude and a periodically amplitude-varying signal, the signal recovered from the output of the D/A converter being filtered to derive distortion products introduced by inaccuracies in the conversion, which are compared with a reference level. In the arrangement of Fig. 1 a test signal, generated by a sine wave oscillator 7 whose output is modulated in modulator 9 by a periodic stepped waveform from generator 8 is fed to an A/D-D/A converter arrangement 1. The test signal recovered from the converter arrangement 1 is demodulated by the stepped waveform from generator 8 in demodulator 17 and the high frequency signal is fed to filters 11, 12 to derive the high frequency signal plus accompanying noise S + N and also just the noise N. The noise signal N is compared with the signal plus noise S + N in comparator 15 and the signal plus noise S + N is compared with the reference level 18 in a comparator 14, outputs of either comparator 15 or 14 being fed by an OR gate 16 to provide a signal indicative of inaccuracies in the conversion which is also used to inhibit the stepping of stepped generator 8. In another arrangement (Fig. 3, not shown) the test signal is formed by imposing a squarewave high frequency signal upon a sawtooth signal thereby generating a stepped sawtooth signal. The removed test signal is filtered to recover signals centred about the high frequency signal which above a certain level are again indicative of inaccuracies in the conversion.
Patent GB-1458928-A (GB)
Title: Plate heat exchangers
IPC: F28F3/10
Filed: 1974-12-09
Abstract: 1458928 Plate heat exchangers APV CO Ltd 17 Oct 1975 [9 Dec 1974] 53162/74 Heading F4S In a heat exchanger comprising a stack of spaced-apart plates in which the plate interspaces are bounded by flexible gaskets 4, the gaskets are bonded (e.g. by an adhesive) to both plates defining a plate interspace. The plates may be made up of preformed pre-bonded pairs in the interspace of which flows one heat exchange medium, with conventional gasketting for the other medium flowing in the spaces between adjacent pairs. Or the second or additional bonding may be effected after the plate stack is assembled. As shown, each gasket 4 is seated in a groove or recess 3 extending around the periphery of the plate interspace and around the supply and discharge ports in the plates (see Fig. 1), the gasket being secured by an adhesive into the groove and also via the face 4a to the adjacent plate. The plates have transverse corrugations 2.
Patent GB-1437466-A (GB)
Title: Anti-snaking device for connection between a trailer and towing vehicle
IPC: B60D1/32
Filed: 1973-11-16
Abstract: 1437466 Anti-snaking devices REESE PRODUCTS Inc 16 Nov 1973 [26 Jan 1973] 53248/73 Heading B7T An anti-snaking device for connection between a trailer and towing vehicle comprises a bracket 22 adapted for connection to one of the trailer and towing vehicles (trailer at 20 as shown), the bracket including a plate part 89 of which one face is disposed in opposing relation to a face of a plate part of an arm 24, the arm also including an extended part 88 to which one end of a rigid, telescopic linkage means 28 is connected, a second end of the linkage means being adapted for connection to the other of the trailer and towing vehicle (towing vehicle at 91 as shown), a friction disc 26 disposed between the opposed faces of the plate parts, the bracket and arm plate parts having aligned apertures through which the shank of a securement bolt 52 extends to adjustably compress the disc 26 between the plate parts by means of a pressure washer means 36 located between a tightening nut 80 on the shank and the plate part 8, 9, the washer means 36 contacting the plate part 89 over an annular area concentric with the bolt shank, and the arm 24 being pivotable relative to the bracket part 89 about the shank. As shown, a second bracket 22 with associated friction disc 26 and pressure washer means 36 are provided, each washer means 36 including a tab 48 anchored in an opening 50 formed in a bracket reinforcement means 51 to prevent relative rotation of the washer means and bracket, and locating washers 60 are fitted about the bolt shank within central openings 27 of the friction discs 26. In another form, Figs. 8-11, (not shown), each pressure washer means comprises a flexible washer part (116) contacting a bracket 22 and a plate part (114) overlying the washer part.
Patent GB-1093780-A (GB)
Title: Improvements in or relating to drafting apparatus
IPC: B43L13/02
Filed: 1965-12-16
Abstract: 1,093,780. Draughting machines. B.W. HAZELTON. Dec. 16, 1965 [Dec. 21, 1964], No.53417/65. Heading G1X. A draughting maching comprises a circular drawing board 8, an elongated carrier arm 19 beneath the board 8 and pivoted about the centre thereof, an elongated draughting blade 36 overlying the board and pivoted in a draughting head on the free end of the carrier arm 19 and an endless steel band 29 running round pulleys at both the pivots to ensure that the blade 36 moves parallel to itself over the board 8, the pulley at . the centre of the board being stationary and the other pulley rotating with the draughting head as the head is moved round the board. The blade 36 is normally locked at a set angular position in the head, but release mechanism is provided to allow the blade to be rotated and locked in a new set angular position. A releasable ratchet mechanism is also provided to hold the blade in a number of predetermined angular positions. An arm 85 extends from the central pivot opposite the arm 19 and carries a counterbalance weight 86. The draughting board 8 may be released for rotation by operation of a bell-crank 81 and a ratchet mechanism is also provided at the pivot of the board 8 to hold the board in predetermined angular positions. In a further embodiment the board 8 is rectangular and fixed.
Patent GB-1080190-A (GB)
Title: Tower crane
IPC: E04H12/34
Filed: 1965-12-17
Abstract: 1,080,190. Erecting tower cranes. RUSTON BUCYRUS Ltd. Dec. 17, 1965 [Dec. 17, 1964], No. 53602/65. Heading B8B. To add an extra tower section 2<SP>1</SP> to a tower crane the section 2<SP>1</SP> is lowered on top of a section 2 and rotated through a small angle by arms 16, mounted on a rotatable platform 8, to engage bayonet-type connectors 25 on the ends of the sections. On completion of the engagement locking pins 34, Fig. 3 (not shown), are inserted. Before engagement commences, adjacent sections, which are triangular in cross-section, are supported in correctly spaced relation by blocks 32. The latter are inclined so that they are no longer in contact when the ends of the sections are engaged. Fig. 3 (not shown) illustrates one form of coupling, another is shown in Fig. 5 (not shown). The platform 8 is rotated on a support 7, which may be moved up and down the tower on guides 10, by a motor 18 and a rack.and-pinion 20, 21. The arms 16 have guides 17 which receive the corner-posts of the section being added or removed.