baber/WOPTO huggingface dataset:
Patent GB-1170954-A (GB)
Title: Tunnel Drilling or Boring Machine.
IPC: E21D9/12
Filed: 1966-11-16
Abstract: 1,170,954. Tunnelling machines. DEMAG A.G. 16 Nov., 1966 [22 Dec., 1965], No. 51429/66. Heading E1F. The boring head of a tunnelling machine comprises a rotatably driven, cutting tool and loading scoop-carrying ring structure 2 having another cutting tool-carrier 3 rotatably mounted within it to extend beyond it and be driven by it through epicyclic gearing 14. The scoops 22 of the structure 2 discharge optionally onto an endless conveyer or into a bucket wheel feeding into a pneumatic conveyer depending upon which of these latter conveyer assemblies are associated with the head.
Patent GB-1529370-A (GB)
Title: Process and apparatus for the extrusion and calibration of an elongate synthetic thermoplastic plastics member having a chamber extending lengthwise thereof
IPC: B29C48/92
Filed: 1975-12-16
Abstract: 1529370 Sizing stress-free extrudates DYNAMIT NOBEL AG 16 Dec 1975 [1 Feb 1975] 51503/75 Heading B5A A tubular thermoplastics extrudate 7, e.g. of rigid P.V.C., is sized in being drawn from an extrusion die through a sizing die with minimized axial stretching and consequential latent stresses, by externally cooling the extrudate in the entry region to the die, to a greater extent at peripherally spaced apart locations of the extrudate than at intermediate locations, so that the spaced apart locations act as reinforcements against stretching. In the embodiment, the extrudate 7 comprises a plurality of bores 7a-7d and projecting lugs 71, 72, and is cooled to the greater extent adjacent the lugs 71, 72 by water circulated through recesses 11 in the sizing wall of the die, via inlet passages 5a, 5b, 11 and vacuum slots 12 which draw the water through the recesses in the same direction as the extrudate.
Patent GB-1160959-A (GB)
Title: Extractor Ventilators
IPC: F24F7/02
Filed: 1965-12-06
Abstract: 1,160,959. Roof ventilators. GREENWOOD AIRVAC VENTILATION Ltd. and B. D. HUGHES. 30 Nov., 1966 [6 Dec., 1965], No. 51611/65. Heading F4V. An extractor roof ventilator is provided with two pivoted baffle/damper members 10 arranged along its length in passages formed between downwardly turned side pieces 6 of a top plate 5 and an upstanding wall 3 defining a main ventilation duct 4. In the baffle position shown the members 10 prevent the ingress of rain, and in the damper position they completely close the ventilator. The generally rectangular ventilator is formed from light sheet metal and has a base member 1 by which it may be secured to a roof. The top plate 5, with the downwardly turned side pieces 6 is supported by frames 7 and fixed to end plates 8. The damper members 10 are moved simultaneously so that in the closed position the lips 13 engages the lips 14 on the wall 3 and lips 15 presses against the side pieces 6. The structural parts may be welded or riveted together. The actuating mechanism comprises a linkage 20, 21 connected to the members 10 and to a nut 22 movable on a screwed rod 24 by a pulley and cord mechanism 25, 26.
Patent GB-1466710-A (GB)
Title: Process for producing cephalosporin intermediates
IPC: C07D501/04
Filed: 1974-11-29
Abstract: 1466710 3-Methyl-7-amino-cephem-4-carboxylic acids SUMITOMO CHEMICAL CO Ltd 29 Nov 1974 [29 Nov 1973] 51912/74 Headings C2C and C2P  A cephalosporanic acid derivative of the Formula (I) wherein R 2  is an H atom or an ester protective group, is produced by reacting a phosphoramide derivative of Formula (II) wherein R 1  is C 1-4  alkyl, with a phosphorus acid, including orthophosphoric acid, phosphorous acid, phosphonic acid or phosphinic acid and the esters and anhydrides thereof. 2,2,2 - Trichloroethyl - 6# - dimethyl - phosphoramidopenicillanate 1-oxide is obtained by reacting 2,2,2-trichloroethyl-6#-(phenyl-acetamido)-penicillanate 1-oxide with PCl 5  in the presence of dimethylaniline and subsequently treating with methanol; the product is heated in the presence of pyridinium dichloromethane phosphonate to yield 2,2,2-trichloroethyl-3- methyl - 7# - dimethylphosphoramido - 3 - cephem - 4 - carboxylate; phenacyl 6 - aminopenicillanate hydrochloride is reacted with dimethylchlorophosphate in the presence of triethylamine and further with m-chloroperbenzoic acid to give phenacyl 6#-dimethylphosphoramidopenicillanate 1-oxide which on heating with pyridinium dichloromethanephosphonate yields phenacyl 3-methyl-7#-dimethylphosphoramido - ceph - 3 - em - 4 - carboxylate; phenacyl 6# - dimethylphosphoramidopenicillanate - 1- oxide was also obtained by first forming phenacyl 6#-aminopenicillanate 1-oxide and reacting with dimethyl chlorophosphate in the presence of diethylaniline.
Patent GB-1248206-A (GB)
Title: Hydrostatic bearings
Inventor: ROWE WILLIAM BRIAN
IPC: F16C29/02
Filed: 1967-11-15
Abstract: 1,248,206. Machine slides. WICKMAN SCRIVENER Ltd. 12 Nov., 1968 [15. Nov., 1967], No. 51919/67. Heading B3B. [Also in Divisions F2 and G3] A machine tool slide 12 is mounted on a base 11 by means of fluid bearings 51. A downwardly extending portion 50 of the slide carries a block 17 which engages a bar 1 on the base. The block contains fluid orifices whichare so arranged in the fluid supply system of the bearings that any movement of the slide relative to the base results in a change in the pressure of fluid supplied so as to'maintain the slide in position. The base 11 may have opposing surfaces on which a pair of opposed fluid bearings on the slide may act. (Fig. 2, not shown).
Patent GB-1375022-A (GB)
IPC: C03B9/195
Filed: 1971-11-09
Abstract: 1375022 Glass forming machine HERMANN HEYE 9 Nov 1971 [14 April 1971] 51985/71 Heading C1M The press plunger and/or mould clamp of a glass processing machine is driven by a roller 323, 291 running on a curved cam track 331, 293 and a servomotor 307, 283 connected between the roller and the clamp or plunger, the servomotor being controllable in dependence on the position of the roller to provide motive power to move the clamp or plunger. The motor is preferably a rotary vane compressed air servomotor. The motor 307 for driving the plunger is controlled by a rack 321 on which the roller 323 is mounted and which at its other end meshes with a gear wheel mounted on the shaft of the motor. The motor 283 for driving the mould clamp is controlled by a crank arm 290 carrying the roller 291 and operating through a spring 807, gearing 809 and shaft 815 on the drive shaft 829 of the motor. The particular machine described is a press-and-blow machine having rotatable pressing and blowing tables.
Patent GB-1366309-A (GB)
Title: Torque wrenches
IPC: B25B23/143
Filed: 1971-11-02
Abstract: 1366309 Torque wrenches T ROBINSON 2 Nov 1971 [2 Nov 1970] 52022/70 Heading B3N A torque wrench comprises a lever 35 pivoted at 27 and connected to a spigot 19 via a ratchet mechanism, the other end of the lever is connected to an adjustable spring 41 by a linkage 42 and a plunger 46. The linkage has rollers 43, 45, 47, 48, 49 which can roll or slide along the lever 35 or an abutment member 38. Due to the formation of the linkage the reaction force during torquing of a member is divided so that part is applied to the abutment member and the remainder is applied to the spring. The linkage may comprise two, three or more than the four links shown. Adjustment of the spring load is by a nut 61 and a screw 57. The nut is plastics and has a projection 62 in a graduated slot 56 in a plastics sleeve 53. The graduations are varied through a transparent insert 67 that also magnifies them. Spigot 19 has a magnet fitted thereto to help retain the spigot in engagement with a fastener.
Patent GB-1528588-A (GB)
Title: Electrode assembly with means for securing an electrode thereof in electrical connection through an aperture in an electrically non-conductive barrier member
IPC: C25B9/04
Filed: 1975-12-22
Abstract: 1528588 Connector for electrolytic cell BASF WYANDOTTE CORP 22 Dec 1975 [23 Dec 1974] 52304/75 Heading C7B Electric connection particularly at the ends of a bi-polar filter-press cell is achieved by means of an extension 20 of a conductive boss 14 of the end electrode 12, which extension has a pressure collar 46 arranged to provide a gas-liquid seal with non- conductive barrier 26, independent of the electric connection. As shown, partial threaded bores 34, 16 receive a threaded connector 36, a hole 38 being provided in the body to receive a rod for tightening the threaded connection. Collar 46 is externally threaded on to the body and is sealed at 42, 44, there being also an O-ring on the boss 14. Part 26 is the cell end-wall. External current supply may enter via connection 48, 50. The threaded body 36 may extend right through the boss 14 and the boss may extend partially or wholly into aperture 28 in the end-wall.
Patent GB-1103031-A (GB)
Title: Mixing and/or reaction method and apparatus
IPC: B01F25/74
Filed: 1964-12-24
Abstract: Reactions may be performed in apparatus (see Division B1) to which materials are fed at constant rates and are mixed as dispersed films on rotating surfaces.  Cellulose.-In an example wood flour of 150-1200 mesh was reacted with an equivalent amount of H2SO4; a 90% yield of saccharificate was obtained and the period of reaction ageing could be omitted.  Resins and foam.-In Example 1, vinyl chloride resin in powder form, liquid plasticizer, lubricant, stabilizer and dyes were mixed and the product discharged from the apparatus as a powder. In Example 6, 1000 parts of polystyrol powder about 0.3 mm. diameter was mixed with 20 parts methanol and 70 part hexane and the product immediately cast in a metal mould and treated by vapour at 95 DEG  C. for 15 minutes to obtain foamed polystyrol.ALSO:Reactions may be performed in apparatus (see Division B1) to which materials are fed at constant rates and are mixed as dispersed films on rotating surfaces.  In an example, ammonia, and pulverized serpentine with added H3PO4 and H2SO4 were reacted to produce a phosphatic fertilizer in a substantially dry state and requiring no after-treatment, with a yield of 93%. In another example concentrated H2SO4 was reacted with crushed fluorspar (80 mesh) to produce hydrofluoric acid and gypsum, the water evolved being evaporated by the heat of reaction.  In a further example a yield of 92% titanium disilicide was obtained by heating in a hydrogen furnace the reaction product of powdered titanium hydride, powdered silicon, and gaseous hydrogen, the reaction being sustained by supply of hot air at 200 DEG  C.
Patent GB-1491037-A (GB)
Title: Processes for coating chewing gum
IPC: A23G3/20
Filed: 1974-12-05
Abstract: 1491037 Coated chewing gum SOREAT SA 5 Dec 1974 [22 Oct 1974] 52711/74 Heading A2B Chewing gum slabs are coated with sugar by spraying with hot fluid e.g. water or steam, or a solution of honey, molasses, syrup or gum arabic, applying granulated sugar, e.g. by mixing or spraying, and then drying and cooling the slabs. The slabs may be subjected to a second step of spraying with hot fluid after the sugar application. The sugar may be aromatised. A plurality of the slabs may be packed together in direct contact with each other without sticking together.
Patent GB-1334558-A (GB)
Title: Method of depolymerizing polyethyleneterephthalate
IPC: C08J11/00
Filed: 1971-11-12
Abstract: 1334558 Dimethyl terephthalate; ethylene glycol SOC ITALIANA RESINE SIR SpA 12 Nov 1971 [26 Nov 1970] 52783/71 Heading C2C Dimethyl terephthalate and ethylene glycol are recovered from polyethylene terephthalate waste by depolymerizing the waste with excess methanol at elevated temperature and pressure, separating unreacted methanol, distilling the products by evaporation in a thin film evaporator with a contact time of 4 mins or less and a temperature of 200 C. or less and a pressure of 1-10 mm. Hg, condensing the vapours with cold methanol, separating dimethyl terephthalate from the suspension obtained, and recovering ethylene glycol from the liquid. The waste may be 4-35 mesh in size and may be reacted at 100-300 C. and 1-150 atm. in the presence of H 2 SO 4  or H 3 PO 4 . The ethylene glycol may be recovered by distillation, and the methanol recycled.
Patent GB-1421056-A (GB)
Title: Device for supplying an electrical signal
IPC: H03K17/90
Filed: 1973-11-14
Abstract: 1421056 Non-contact push button switches RAFI RAIMUND FINSTERHOLZL ELEKTROTECHN SPEZIALFABRIK 14 Nov 1973 [17 Nov 1972] 52814/73 Heading G1N A push button switch or actuator includes a Hall plate generator controlled by a moyable annular magnet provided with an air-gap. Push button 5, 6 is attached to a plastics member 4 in which is injection moulded an annular magnet 7 having an air-gap 9, member 4 being mounted so as to slide in guide surfaces (not shown) in housing 1 in the direction 3 against the action of spring 15. On depression of the push button poles 9 move adjacent a Hall plate generator mounted within a plate 11 to generate a voltage which after amplification controls the state of a Schmitt trigger, the circuit components together with a voltage regulator being in the form an I.C. chip on plate 11. The switch is initially adjusted by depressing the push button and progressively demagnetizing the magnet by an A.C. energized coil until the state of the switch changes at which time the supply to the coil is ceased.
Patent GB-1448839-A (GB)
Title: Butane oxidation process
IPC: C07B61/00
Filed: 1973-11-14
Abstract: 1448839 Maleic anhydride STANDARD OIL CO 14 Nov 1973 [16 Nov 1972] 52820/73 Heading C2C Maleic anhydride is obtained by (i) feeding nbutane, oxygen and an inert gas to a reaction zone in which from 30 to 70% of the n-butane is oxidized in the presence of a phosphorusvanadium-oxygen complex catalyst, the n-butane comprising above 1À7 mole per cent of the gases fed to the reaction zone and the oxygen concentration in the reaction zone being maintained below the flammable limit; (ii) withdrawing a reactor effluent from the reaction zone containing maleic anhydride, oxides of carbon, water, inert gas, unreacted n-butane and any unreacted oxygen; (iii) separating maleic anhydride from the reactor effluent; and (iv) recycling a major portion of the remaining reactor effluent to the reaction zone.
Patent GB-1411106-A (GB)
Title: Process for reducing the nitrogen oxide-s- content of a gas comprising oxygen and one or more nitrogen oxides
IPC: B01D53/86
Filed: 1972-11-15
Abstract: 1411106 Removing nitrogen oxides from waste gases ENGELHARD MINERALS & CHEMICALS CORP 15 Nov 1972 [16 Nov 1971] 52858/72 Heading C1A A process for removing nitrogen oxides from a waste gas comprising oxygen and one or more nitrogen oxides, e.g. from a nitric acid plant, comprises mixing the gas with a reducing fuel, such as natural gas, H 2 , CH 4 , C 2 H 6 , propane, butane, naphtha or CO, the reducing fuel being present in excess of the stoichiometric amount required to react with all of the O 2  and nitrogen oxides present, passing the mixture through an ejector, and thereafter passing the mixture through a reactor containing a catalyst, e.g. a platinum group metal catalyst, so that the nitrogen oxides are catalytically reduced by the reducing fuel to obtain an effluent gas having a reduced content of nitrogen oxides, and preferably an oxygen content of less than 2À5%, a part of the effluent gas being recycled to the ejector and being ejected into the mixture, e.g. at a temperature of from 450 to 500 C. and a pressure of 90 to 100 p.s.i.g., to reduce the O 2  content of the gas entering the reactor by dilution so as to reduce the quantity of heat generated by oxidation of the reducing fuel.
Patent GB-1338176-A (GB)
Title: Tanks for the processing of photographic strips
IPC: G03D13/14
Filed: 1971-11-15
Abstract: 1338176 Photographic processing apparatus JOHANNES BOCKEMUHL 15 Nov 1971 [21 Aug 1971] 52888/71 Heading G2A A tank 4, Fig. 1, for photographic processing, e.g. washing, having a removable cover 5 with a discharge opening 7 and a filling opening 6, is connected to a water supply hose 9 by a coupling member 8, Figs. 1 and 2, comprising an outer translucent part 13 which fits into the opening 6 and an inner opaque part 18 having a hollow portion 19 moved into the port 13 and a flange 20, and which can be joined to the lower part by adhesive. The hose fits over the part 18. The part 13 has a marking 16 comprising annular grooves, and an aperture 17. In operation with the aperture 17 closed by a finger or by a blocking projection on the part 18 water rises in the part 13, and the supply is adjusted until the level reaches the marking 16. The aperture is then opened and mixes with the water entering the tank.
Patent GB-1433368-A (GB)
Title: Folding aquarium
IPC: A01K63/00
Filed: 1973-11-14
Abstract: 1433368 A folding aquarium G HUIZINGA 14 Nov 1973 [16 Nov 1972] 52907/73 Heading A1A The glass walls of an aquarium are joined at their adjacent edges by an elastic material 6 so that they may be folded into a flat structure, Fig. 2 for storage. The joining material may consist of strips made of silicone rubber, polyethylene or polypropylene. A frame 10 made of a plastics material, and which can be dismantled for storage, supports the glass walls and a bottom plate 9 when the aquarium is in use. The aquarium may comprise more than four walls.
Patent GB-1317357-A (GB)
Title: Transmission fluid
Inventor: GODFREY A W
IPC: C10M/
Filed: 1971-11-16
Abstract: 1317357 Lubricants TEXACO DEVELOPMENT CORP 16 Nov 1971 [17 Dec 1970] 53070/71 Heading C5F Lubricants comprise a mineral oil, an ashless dispersant and a substituted aspartamide of formula (I) where X and Y alternately are hydrogen or R<SP>1</SP>R<SP>11</SP>N-, R and R<SP>1</SP> are each a straight chain C 1 -C 30  aliphatic hydrocarbyl radical and R<SP>11</SP> is hydrogen or a straight chain C 1 -C 30  aliphatic hydrocarbyl radical (R, R<SP>1</SP> and R<SP>11</SP> may be connected to the nitrogen atom at a primary or secondary carbon atom). The ashless dispersant may be a polyalkenyl succinic acid or anhydride/ polyamine reaction product. The lubricant may also contain methacrylate ester copolymers, aminoethyl methacrylate copolymers (examples given), phenylene diamine, phenothiazine, diphenylamine, phenyl-alpha-naphthylamine, dimethyl silicone, zinc dialkyl dithiophosphates and dithiophosphates of formula where R is C 6 -C 15  aliphatic radical, R<SP>1</SP> is hydrogen or C 1 -C 4  alkyl and n is 1-10. Examples are given of mixed mineral oil bases.
Patent GB-1409384-A (GB)
Title: Liquid sterilizing apparatus
IPC: B01J19/08
Filed: 1973-11-15
Abstract: 1409384 Irradiating liquids with ultra-violet light NATURVARD RESEARCH (CANADA) Ltd 15 Nov 1973 [20 Nov 1972] 53137/73 Heading H5R Apparatus for sterilizing liquids by irradiation with ultra-violet light comprisees an outer cylinder 11 and an inner cylinder 53 enclosing a source of U.V. light, the liquid passing upwards between the cylinders, and in order to clean the surface of cylinder 53 there is provided an annular body 12 which is pushed upwards when the liquid is flowing and falls down again when the flow stops. The annular body comprises two metal rings 13 between which are sandwiched external and internal peripheral seals 14, 15, with holes 16 being provided for flow of the liquid.
Patent GB-1244205-A (GB)
Title: Oil compositions
Inventor: AARON COLIN
IPC: C10L1/14
Filed: 1967-11-30
Abstract: 1,244,205. Crude or shale oil fuel composition. ESSO RESEARCH & ENG. CO. 28 Nov., 1968 [30 Nov., 1967],No. 53338/68. Divided out of 1,242,535. Addition to 1,147,904. Heading C5G. A fuel comprises a major proportion by weight of a shale oil and/or crude oil and a minor proportion by weight of an oil-soluble co-polymer of (a) ethylene and (b) one or more substituted ethylene having one or more saturated linear side chains containing at least 18, provided the co-polymer has a MW of above 1000 but is not a dipolymer of ethylene and vinyl (or hydrocarbyl vinyl) ester of a carboxylic acid of MW above 3000. The examples describe the use of terpolymers of ethylene, and vinylacetate with (1) mixed di-C 20 -C 22  fumarates, (2) mixed C 20 -C 22  methacrylates and (3) vinyl behenate.
Patent GB-1502550-A (GB)
Title: Centreless grinding machine
IPC: B24B45/00
Filed: 1976-12-23
Abstract: 1502550 Centreless grinding machines GHIRINGHELLI & PISONI SpA 23 Dec 1976 [30 March 1976] 53889/76 Heading B3D A centreless grinding machine comprises first and second uprights supports 3, 11 extending from a base block 1 for supporting a grinding wheel 2, and means for driving the grinding wheel including a drive shaft 4 which passes through the first support 3 and has a projecting end 19 adapted to engage one face of the grinding wheel to transmit drive thereto, the second upright support 11 being movable parallel to the axis of rotation of the grinding wheel towards and away from the first upright support. The grinding wheel is carried by a tubular mount 21 defining a cavity 20, one end of the mount being engaged by the end 18 of the drive shaft rotatably mounted in the first support 3. A shoulder 19 on the end 18 engages a flange 22 at the end of the mount to transmit drive to the wheel, the shaft being driven by a belt 7 from a motor 10. A flange 25 at the other end of the mount is engaged by a shoulder 24 of a projecting member 23 which projects into the mount and is rotatably mounted on a pin carried by the second support 11. The second support is slidable along a guideway 13 on the base block 1 by a screw 15 rotaable by a handwheel 17. When the grinding wheel is to be removed from the machine, a cover 29 is pivotally moved to an inoperative position and the grinding wheel hooked to a lifting member. The support 11 is moved along the guideway 13 to disengage the projecting member 23, the wheel moved axially to disengage the end 18 of the drive shaft, and the lifting member operated to remove the wheel.
Patent GB-1215696-A (GB)
Title: Tin electroplating baths and additives therefor
Inventor: HAUSE NORMAN LAURENCE
IPC: C25D3/30
Filed: 1967-11-30
Abstract: 1,215,696. Semi-bright tin electro-plate. E. I. DU PONT DE NUMOURS & CO. Nov. 30, 1967 [Nov 30, 1966], No.54548/67. Heading C7B. Semi-bright additive compositions for halogen tin electro-plating baths which compositions yield clear solutions on thawing from a frozen state comprise by weight 5 to 20% of thiourea; 5 to 45% of a polyalkylene oxide of M.W. 600 to 20, 000; and 35 to 90% of a mixture consisting of a glycol alkyl ether and water in a weight ratio of from 1: 8 to 5:1. Typically the polyalkylene oxide is a polyethylene oxide or a mixture of such compounds and the glycol ether is the monomethyl or monoethyl ether of ethylene glycol or diethylene glycol. The tin electro-plating bath comprises an aqueous acid solution containing stannous chloride, sodium fluoride, sodium chloride and sodium bifluoride together with a small amount of sodium ferrocyanide to inhibit fluo-stannate sludge formation and is employed at about 140 F. Semi-bright deposits are obtained over a range of 2À5 to 150 ASF on hydrochloric acid-pickled steel plates from baths containing the additive composition in such concentration as to provide 0À1 to 5 g/l thiourea and up to 25 g/l of polyalkylene oxide.
Patent GB-551019-A (GB)
Abstract: 551,019. Pyridine carboxylic acid amide compounds. GEIGY AKT.-GES., J. R. Aug. 23, 1941, No. 10791. Convention date, Aug. 24, 1940. [Class 2 (iii)] Pyridine carboxylic acid amides are reacted with ferrous salts to give vividly-coloured double compounds which are useful therapeutically. Examples are given of the preparation of double compounds of ferrous sulphate and ferrous chloride with nicotinic acid amide. Other amides mentioned are the 3-carboxylic acid methylamide, diethylamide and oxyethylamides ; the amides of the 2-carboxylic, 2:3- dicarboxylic acid, 2-carboxylic acid ethyl ester- 3-carboxylic and 3:4-dicarboxylic acid, 2- pyridone-3-carboxylic acid, 2:6-alkoxypyridine- 4-carboxylic acids and 2:6-dicycloalkoxypyridine-4-carboxylic acids.