baber/WOPTO huggingface dataset:
Patent GB-924840-A (GB)
Title: Improvements in plunger dies
IPC: B01J3/06
Filed: 1960-11-08
Abstract: A very high pressure apparatus comprising a core ring and dies co-operating therewith to form a cylindrical cavity, at least one of said dies being movable, is characterized by the provision of a metal collar surrounding the protruding portion of the movable die located so as to be compressed between said core ring and the pressure member of a press which bears upon the movable die.  The pressure member and the movable die may be integral.  As shown in Fig. 1, separate dies 22 form with a ring 14 buttressed by further rings 16, 18 and 20, a pressure chamber 12.  The dies are inwardly urged by pressure members or anvils 36 attached to the platens of a hydraulic press and supported by a collar comprising an outer metal part 28 and an inner portion 32 of a material such as lead having low shear strength and insignificant compressibility.  A pyrophyllite body 64 serves to surround the sample cavity and under stress is extruded to a limited extent into the gaps between the parts of the apparatus.  Electrical insulation, e.g. of mica may be provided and a layer of metal may be introduced as shown between the rear faces of the dies 22 and the anvils 36.  Fig. 2 shows an alternative construction in which the dies are integral with the anvils and the collars <PICT:0924840/III/1> <PICT:0924840/III/2> <PICT:0924840/III/3> comprise rings 58 of high tensile steel.  Linings 60 e.g. of lead are provided between the collars and the dies.  Fig. 3 shows an arrangement for heating a specimen: within the body 44 (Fig. 2) or 64 (Fig. 1) is a conductive tube 70 e.g. of graphite insulated from the specimen by inner tube 68.  Current is applied from the tip of the die 48 to a conductive pad 72 which is insulated from the specimen by disc 74.  A corresponding arrangement is provided at the lower end of the tubes 68, 70.
Patent GB-1348457-A (GB)
Title: Process for preparing ferromagnetic alloy powder
IPC: H01F1/06
Filed: 1972-08-16
Abstract: 1348457 Ferromagnetic powder FUJI PHOTO FILM CO Ltd 16 Aug 1972 [19 Aug 1971] 38291/72 Heading C7D An acicular ferromagnetic alloy powder is produced by reducing salts of ferromagnetic metals in an aqueous solution in the presence of fine acicular powder and hypophosphite ions. The desired ferromagnetic alloy is based on Co, or Co-Ni with small additions of one or more of La, Ce, Nd, Sm, Al, S, Cr, Mn, Fe, Cu or Zn, and the salts used are the sulphate, chloride, acetate, formate, sulphamate, nitrate, hypophosphite, pyrophosphite or triethanolamine. The reducing hypophosphite ions are provided by hypophosphoric acid or a hypophosphite of an alkali metal or an alkaline earth metal. The fine acicular powder added to the bath may be α-or γ-FeO(OH), γ-Fe 2 O 3 , Fe 3 O 4 , CrO 2 , ZnO, V 2 O 5 , copper phthalocyamine, diatomaceous earth or attapulgite clay. Further additions include pH buffering agents, complexing agents, pH adjusting agents, and activating agents. The acicular powder produced may be used for recording tapes.
Patent GB-303180-A (GB)
Title: Improvements in filter circuit arrangements comprising piezo crystals
IPC: H03H9/54
Filed: 1928-12-29
Abstract: 303,180. Standard Telephones & Cables, Ltd., (Assignees of Fetter, C. H.). Dec. 29, 1927, [Convention date]. Thermionic amplifiers; filter circuits.-A filter comprises a plurality of piezo-electric crystals and impedances co-operating therewith so arranged as to produce a flat transmission characteristic and a sharp cut-off. The Figure shows the application to the input of a valve V of a filter tunable to three frequency bands by switches S1, S2. In a modification (Fig. 3, not shown) a similar filter is employed after the intermediate-frequency amplifier of a supersonic heterodyne receiver.
Patent GB-1013550-A (GB)
Title: Method of lubricating speed-changing mechanism
IPC: F16H15/22
Filed: 1963-09-30
Abstract: 1,013,550. Bearings; variable-speed gear. ATELIERS METALLURGIQUES DE SAINTURBAIN. Sept. 30, 1963 [Oct. 2, 1962], No. 38483/63. Headings F2A and F2D. In a method of lubricating a speed-changing mechanism in which a splined shaft 1 carries axially-movable discs 2 thereon and is mounted within a drum 3 having a cover 5, rings 6 are slidably mounted in a splined portion of the drum 3 and each ring has an annular enlargement on its internal rim which is interposed between the discs 2, and in which a member 7 is urged by a spring 8 so as to press the stack of discs and rings together, oil is continuously supplied to the rotating drum and forms " rings " in the spaces 11 so as to provide lubrication between the engaging faces of the discs and rings and also to effect cooling thereof. The oil may be supplied via axial and radial bores 9, 10 in the shaft 1; via an axial bore in a shaft 4 of the drum; or directly by a fixed pipe 13. The level of the oil is maintained during rotation of the drum, the surplus being overflowed through the cover and re-circulated. The quantity of oil flowing varies in accordance with the relative positions of the axes of the shafts 1 and 4, more oil flowing centripetally along the discs 2 when the axes are wider apart.
Patent GB-888247-A (GB)
Title: Device for the storage of liquids at very low temperatures
Inventor: SCHLUMBERGER ETIENNE MAURICE
IPC: B63B25/16
Filed: 1960-11-11
Abstract: 888,247. Carrying liquefied gases. CONCH INTERNATIONAL METHANE Ltd. Nov. 11. 1960, No. 38794/60. Class 113. [Also in Group XXVIII] A ship for carrying liquefied gas has an inner hull 14, and a thermally insulating secondary container 24 within the inner hull. The secondary container 24, inside which are the primary containers 34 holding the liquid 35, is sealed from the atmosphere by an insulating cover 32. The closed space 38, between the inner hull 14 and the secondary container 24 is also sealed from the atmosphere and may be divided into several compartments. In order to detect leakage through the insulating container wall 24, the closed space 38 (or each compartment of the closed space) is connected to the insulated space 31 through the four way valve 48 and the pump 42, which produces a pressure differential between the two spaces. Any leak in wall 24 can be detected by observation of flowmeter 54 or pressure indicator 56. With valve 48 in the position shown, space 38 would be at a greater pressure than space 31 and leakage of gas from the secondary container would be stopped. With valve 48 in another position, space 38 would be at a lower pressure than space 31, which would encourage the cold gas to escape. The position of the leak would then be found by observing the localised formation of ice on inner hull 14. As an alternative, the pump may be replaced by a source of compressed inert gas, e.g. compressed nitrogen bottles.
Patent GB-846142-A (GB)
Title: Concrete form construction
IPC: E04G17/075
Filed: 1956-12-24
Abstract: 846,142. Shuttering for concrete. STEWART, L. E. Dec. 24, 1956, No. 39232/56. Class 20(2) Shuttering for casting concrete walls comprises spaced walls connected by tic pins 10 which pass through notches between wooden panels 12 comprising the walls, adjacent panels 12 being connected by a bar 11 pivoted at 22 to one panel and latching on to a screw 26 on an adjacent panel and the headed end 21 of the tie pin 10. The panels 12 are reinforced by vertical and horizontal timbers 14, 15, spacing shoulders 17 and washers 18 are provided on the tie pins 10. The corners of the shuttering are connected by a bracket comprising angle irons 29 welded together and to a brace 35. The irons 29 have slots which engage screws 33 on the shuttering.
Patent GB-1188537-A (GB)
Title: Inverters
Inventor: SWEENEY ROBERT HENRY
IPC: H02M7/516
Filed: 1966-09-02
Abstract: 1,188,537. Discharge lamp arrangements. PATENT INDUSTRIAL GROUP Ltd. 30 Oct., 1967 [2 Sept., 1966], No. 39238/66. Heading H2H. [Also in Division F4] A cold cathode discharge lamp is mounted together with an inverter in a partly transparent housing to form a complete unit. The housing may be suitable for mounting on a vehicle roof and have the form shown with a legend at the front and/or back, the legends being the same or different, for continuous or flashing operation. Each legend may be connected to separate inverter. Two legends, e.g. " POLICE," " STOP " may be superimposed at the back and flash alternately. In a modification a revolvable polygonal drum carrying several legends connected sequentially by a switch may be mounted in the housing. In another arrangement for say a roadside warning sign e.g. " FOG " (Fig. 6, not shown), the housing is in two parts, the base including an accumulator, the sign being supported by a rigid or telescopic pillar (52) insertable in a socket (55) which elements provide electrical as well as mechanical coupling. Transistor inverter circuits are given in the Specification and the tube loading is adjusted e.g. by alteration of the gas pressure, so that the frequency regulation is less than 30% on load. The inverter may run at mains frequency or advantageously at a high frequency e.g. 3 kc/s. Typical data is given in the Specification for circuit components.
Patent GB-893457-A (GB)
Title: A hydraulically operated dish washing machine
IPC: A47L15/06
Filed: 1960-11-16
Abstract: 893,457. Dish-washing machines. FERMOR, A. J., and DUPONT, R. E. Nov. 16, 1960, No. 39290/60. Class 138 (1). A dish-washing machine comprises a tank 1 in which water is maintained hot by a thermostatically controlled electric heating element 2 when the machine is not in use. To operate the machine a valve 19 is opened to admit mains water from a pipe 18 to a mixer 12 charged with liquid washing agent from a tank 13 by a hand operated plunger 14, and the resulting mixture is passed into the tank 1 via a perforated tube 16. Simultaneously the valve 19 admits water into the lower part of the tank 1 through a pipe 17 to displace the hot water, which is discharged through a reaction type rotary sprayer 6 over the dishes held in wire baskets 7. The tank 1 is divided by a horizontal partition 3 provided with an upstanding tube 4 and an aperture 5 to permit thermo-siphon circulation whilst the water is heated by the element 2. The valve 19 is controlled by a float in a tank 9 from which water is siphoned to open the valve 19 by actuation of a plunger 10.
Patent GB-351974-A (GB)
Title: Machine for securing metal bands on packages
IPC: B65B13/30
Filed: 1929-12-23
Abstract: 351,974. Wiring bales &c. HARVEY, L. M., 1333, South Los Angeles Street, Los Angeles, U.S.A. Dec. 23, 1929, No. 39308. [Class 45.] A device for securing metal bands around packages includes means for tensioning the band which may be associated with means for severing it to length. The tensioning device comprises a gripper 116, serrated at 120, which is rocked to and fro and engages the strap in one direction. Spring- pressed, pivoted grippers 59, 60 are normally held in inoperative position by shoulders 88 on levers which are rocked, when a strap is inserted and contacts with feet 84 thereon, to release the grippers to hold the band whilst permitting tensioning movement. The gripper 116 is actuated by a handle 106 which may operate by the engagement of a lever 121 with lugs 129, 130. The lever 121 is pivoted at 131 to a link 135, a cam 136 being pivoted at 131 to a link 135, a cam 136 being pivoted to this link and to a bell-crank lever 140 movable about a pivot 141. A roller 143 rides out of the arcuate recess 149 and along the cam surface to prevent further tensioning when the resistance of a spring 145 is overcome by the tension of the strap. The tensioning-mechanism may operate a a sliding member 132 to release a spring-pressed knife-actuating sliding bar 156 to sever the strap.
Patent GB-1436377-A (GB)
Title: Isoquinoline derivatives
IPC: C07D217/04
Filed: 1973-07-19
Abstract: 1436377 Isoquinoline derivatives E I DU PONT DE NEMOURS & CO 19 July 1973 [20 July 1972 1 June 1973] 39387/75 Divided out of 1436376 Heading C2C The invention comprises compounds of the formulµ where R<SP>1</SP> is H, C 1 -C 6  alkyl, benzyl, phenethyl or cycloalkylmethyl of the formula -CH 2 CH(CH 2 ) n  where n is 2-5, R<SP>5</SP> is or Ar<SP>1</SP> is a group of the formula where R<SP>7</SP> is H or methoxy, R<SP>8</SP> is methoxy or two of R<SP>7</SP> or of R<SP>8</SP> on adjacent carbons may together form a methylenedioxy group with the proviso that R<SP>1</SP> is not H in compounds of Formulµ II or III. Compounds of Formula I where R<SP>1</SP> is H are prepared by treating a compound of the formula with R<SP>6</SP>OH and HCl where R<SP>6</SP> is C 1 -C 4  alkyl. The compounds may be alkylated and subsequently reduced to give compounds of Formula II or epoxidized to give compounds of Formula III.
Patent GB-852979-A (GB)
Title: Preparation of high density uo
IPC: C01G43/025
Filed: 1958-12-08
Abstract: Uranium dioxide is prepared by reacting ammonium hydroxide with aqueous uranyl fluoride, separating the precipitate of uranates and ammonium uranyl fluoride formed, calcining it to U3O8 at 700 to 800 DEG C. and contacting the U3O8 with an atmosphere comprising carbon monoxide and dioxide to form the required uranium dioxide.  The ammonium hydroxide solution has a concentration of at least 10 molar and the uranyl fluoride solution employed must contain at least 5% by weight of uranium.  The ammonium hydroxide is added in amounts from 5 to 7 times the stoichiometric amount.  The initial uranyl fluoride may be prepared by reacting uranyl hexafluoride gas, liquid or solid with water.  The reduction of the U3O8 may be effected at 1600 to 1900 DEG C. and if the reduction is effected in a graphite vessel, the required carbon monoxide-carbon dioxide atmosphere is generated in situ.  The uranium dioxide product has a high bulk density and low surface area and is suitable for use in a fuel element for nuclear reactors.
Patent GB-1152839-A (GB)
Title: Improvements in or relating to Looms
IPC: D03J5/06
Filed: 1966-09-06
Abstract: 1,152,839. Shuttleless looms. CROMPTON & KNOWLES CORP. 6 Sept., 1966 [24 Sept., 1965], No. 39749/66. Heading D1E. In a loom having a gripper shuttle S, Fig. 4, actuated by the usual picker stick mechanism across a raceway on the slay, a selected weft from a plurality of stationary supply packages of different colours or types is presented to the shuttle S at each pick by. a multiple presenter device 49 on each side of the loom. This device comprises a swing- ing arm 49 operating in synchronism with the slay between a weft presenting position, Fig. 4, spaced from the edge of fabric F and a weft clamping and cutting position, Fig. 3, adjacent the edge of fabric F. The arm 49 carries a plurality of presenters 61-64, one for each of the weft supplies, each having individual guide; clamp and cutting devices. The presenters are rotated about on axis 58 on arm 49 to present the required weft to the top 130 of the shuttle S by chain and sprocket gearing, Fig: 5 (not shown), from a shift mechanism, Fig. 14 (not shown), under control of solenoids which are themselves under control of switches actuated by needles 395 reading a pattern card 13 Fig 19 (not shown). As shown in Fig. 4, the shuttle S has arrived at the right hand side of the loom drawing a weft through the shed which' is still held by the nipper 132 at its left hand end. An abutment 170 actuated by a cam 161 actuates the nipper 132 at the right hand end of the shuttle to grip the selected weft and another cam 182 or 183 releases the weft clamping device of the presenter. The previously laid weft is also released from the left hand end of the shuttle by engagement of an abutment 155. At the appropriate moment th eshuttle is picked drawing the selected weft from the presenter through the shed and at the same time arm 49 is swung over towards the fabric to the Fig. 3 position. When the shuttle is boxed on the left hand side of the loom, cam 182 or 183 will actuate the presenter clamp and cutter to re-engage the weft and then cut it. Similar mechanism on the left hand side of the loom operates to lay a weft from that side of the loom. The clamping and cutting device, Fig. 7, comprises relatively movable blades 93, 94 and 95, the edges 104, 107 of which clamp the weft after which the edges 102, 104 cut it.
Patent GB-1405215-A (GB)
Title: Apparatus for dividing a stream of printed newspapers into portions
IPC: B41F13/70
Filed: 1973-08-23
Abstract: 1405215 Delivering sheets IZDATELSTVO IZVESTIA SOVETOV DEPUTATOV TRUDYASCHIKHSYSA SSSR 23 Aug 1973 [12 Sept 1972] 39924/73 Heading B8R Sheets such as newspapers delivered from the folding drum 3 of a rotary printing-machine are diverted by deflectors 1 into two alternative paths, the deflectors being moved into their two positions by electromagnets 7, 8 in response to signals from one of electric units 11, 12, 13 or a counter 23, one of which is selectively connected to the magnets by a switching unit 10. The shaft 19 of the drum 3 rotates through worm gearing 18 a shaft 17 carrying discs 14, 15, 16 having respectively one, two and five radial lugs and recesses, each of which produces an input signal to the corresponding unit 11, 12, 13, which is of an inductance type, and a fourth disc having one lug or recess for each sheet delivered and associated with an electric unit 22 connected to the counter 23. During one revolution of the drum 3, two sheets are delivered, and the shaft 17 rotates once in fifty revolutions of the drum, during which time the hundred sheets delivered are diverted into batches of fifty, twenty-five or ten with the respective units 11, 12, 13 operative. With the counter operative, the counter, which receives a signal from the unit 22 for each sheet, delivers a signal to the magnets after a number of sheets has been delivered, the number being determined by a programme control unit 24.
Patent GB-1484900-A (GB)
Title: Polyester fibres
IPC: D01F1/10
Filed: 1974-09-13
Abstract: 1484900 Flame retardant polyester fibre AVTEX FIBERS Inc 13 Sept 1974 [14 Sept 1973] 39938/74 Heading C3R [Also in Division D1] A flame retardant polyester fibre comprises from 95 to 72 parts by weight, based on the fibre, of a linear polyester and 5 to 28 parts by weight, based on the fibre, of a two-component flame retardant additive comrpising (a) from 20 to 80% by weight of an aryl spirophosphate of the formula in which R 1  and R 2  are phenyl or naphthyl optionally substituted with 1 to 3 chlorine or bromine atoms, C1-C3 alkyl, C1-C3 alkoxy or phenyl or phenoxy optionally substituted with 1 to 5 chlorine or bromine atoms, and (b) from 80 to 20% by weight of a chlorinated or brominated dionyl compound containing at least 40% by weight of chlorine or bromine. Specified polyesters are polyethylene terephthalate, polyethylene 2,6 - naphthalate and poly 1,4- cyclohexanedimethylene terephthalate. The flame retardant additives used in the examples are (a) spirophosphates of the above formula in which R 1  and R 2  are phenyl, naphthyl, chlorophenyl, dichlorophenyl and bromophenyl, and (b) octabromobiphenyl, decachlorobiphenyl and decabromodiphenyl ether.
Patent GB-1145127-A (GB)
Title: Improvements in and relating to vehicles
IPC: B60K17/08
Filed: 1966-11-21
Abstract: 1,145,127. Change-speed control. MASSEYFERGUSON SERVICES N.V. 21 Nov., 1966 [20 Nov., 1965], No. 39985/68. Divided out of 1,145,126. Heading F2D. The subject matter is identical with that of the parent Specification but the claims are directed to the joint operation of the forward and reverse drive clutches (11, 11<SP>1</SP>) and the brake (22) by the control valves (39, 54), see Specification 1,145,126.
Patent GB-947669-A (GB)
Title: Sprocket chain
Inventor: BOWMAN SPENCER
IPC: F16G13/06
Filed: 1961-11-08
Abstract: 947,669. Transmission chains. THEW SHOVEL CO. Nov. 8, 1961, No. 40063/61. Heading B8A. A rollerless transmission chain consists of uniform diameter pivot pins 2 secured to the link plates 1 of outer links of the chain and rotatable in bushes 6 secured to the link plates 5 of inner links of the chain. The invention is characterized by the following dimensional restrictions, P being the chain pitch: diameter of pins=0.36P; outer diameter of sprocket-engaging part of bushes=0.56P; outer diameter of inner-link-engaging part of bushes =0.48P; thickness of link plates=0.15625P; all the dimensions quoted leaving a tolerance of Œ0.005 inch. The Specification also gives preferred values for other dimensions of the chain which are such that the cross-sectional area of each link plate at its thinnest portion 8 mid-way between the pivot axes is the same as its cross-sectional area on these axes.
Patent GB-1318732-A (GB)
Title: Process for steam reforming gaseous hydrocarbons in particular natural gas
IPC: B01J23/70
Filed: 1970-08-20
Abstract: 1318732 Steam reforming catalysts BADISCHE ANILIN- & SODA-FABRIK AG 20 Aug 1970 [21 Aug 1969] 40107/70 Heading B1E [Also in Division C5] A catalyst is obtained by impregnating a shaped article comprising NiAl 2 O 4  in a matrix of α-Al 2 O 3 , with a solution or melt of a Ni compound, said shaped article having been produced by calcination at 1200-1500C of nickel oxide, α,Al 2 O 3  and activated Al 2 O 3  and being devoid of silicic acid and cement. The nickel for impregnating the article may be in the form of a cone salt solution or an ammoniacal salt solution. The activated alumina may be boehmite.
Patent GB-1359831-A (GB)
Title: Heavy duty vehicles
IPC: B60K23/04
Filed: 1971-08-27
Abstract: 1359831 Tandem axle transmissions ENGESA-ENGENHEIROS ESPECIALIZADOS SA 27 Aug 1971 [4 Jan 1971] 40286/71 Heading B7H In a tandem axle transmission for a heavy vehicle, a differential 1 drives half-shafts 9 each of which is connected at its outer end by a collar 11 to a tubular shaft 8 surrounding the half-shaft and carrying a drive gear 8a connected through respective gear trains 13 and spindles 14 to wheel supports 16 carried by a housing 10 which is pivotally mounted on the associated axle tube 7 and contains the gear trains 13. Gears 8b splined to the inner ends of the tubular shafts 8 mesh with gears 3 one of which can be selectively coupled to a cross-shaft 4 to lock the differential by a clutch controllable from the driving cab of the vehicle through mechanically, hydraulically, electrically or vacuum operated means.
Patent GB-1500932-A (GB)
Title: Method and apparatus for pulse echo processing
IPC: A61B8/00
Filed: 1975-01-09
Abstract: 1500932 Echo signal processing TECHNICON INSTRUMENTS CORP 9 Jan 1975 [4 Feb 1974]  40596/77 Divided out of 1500931 Heading G1G The disclosure is the same as that of the parent Specification, but the claims relate to the processing of echo signals resulting from the interrogation of a layered material with energy pulses of controlled waveform which are linear time-derivatives of unipolar pulses, the processing comprising the determination, in the absence of deconvolution, of the impulse response of the material by integrating and compensating the echo signals for energy losses in the material.
Patent GB-1145650-A (GB)
Title: A novel pregnane derivative
IPC: C07J5/00
Filed: 1966-08-12
Abstract: 1,145,650. Pregnane derivative. F. HOFFMANN-LA ROCHE & CO. A.G. 12 Aug., 1966 [8 Oct., 1965], No. 40679/68. Divided out of 1,145,641. Heading C2U. Novel 5α,6# - dihydroxy - pregnan - 3 - one 20-carboxylic acid methyl ester prepared by epoxidizing 3,3 - ethylenedioxy - #<SP>5</SP> - pregnene- 20-carboxylic acid methyl ester with peracetic acid and treating the epoxide mixture obtained with perchloric acid at 0-5‹ C.