baber/WOPTO huggingface dataset:
Patent GB-1166532-A (GB)
Title: Methods and apparatus for the Hydraulic Cutting of Holes in Rigid Members
Inventor: FUCHS FRANCIS JOSEPH JR
IPC: B23D15/14
Filed: 1966-11-09
Abstract: 1,166,532. Punching. WESTERN ELECTRIC CO. Inc. 9 Nov., 1966 [9 Nov., 1965], No. 50253/66. Heading B3W. A method of producing a plurality of holes in a rigid member by the application of hydraulic pressure, at least one of the areas in which a hole is to be produced presenting a resistance to hydraulic cutting different from the other area or areas, including the steps of positioning the member between a die having a die cavity for each hole to be produced and a source of hydraulic pressure, applying supporting pressure from the die cavity to at least one of the areas to be cut so that the resistance to hydraulic cutting exhibited by each of the areas is substantially the same, and increasing the firstmentioned hydraulic pressure so as to produce simultaneous cutting of the holes. A die for perforating a rectangular section waveguide 10 comprises a die block 11 in which a sleeve 14 is tightly fitted and which in turn receives the waveguide. Holes 18 and 19 are bored through the sleeve and taper inwardly towards the outside surface of the sleeve. Recesses 22 and 24 are machined in the die block and each has associated with it a further bore 34, 36 which forms an hydraulic cylinder. A piston 46, 48 in each cylinder carries a plug 38, 39 which has a concave face. The movement of the plug is limited by a flange 42, 44. The plugs support the part to be punched out, the degree of support given to each part being such that all the parts offer the same resistance to shearing. The degree of support is varied by either using similar diameter pistons and varying the fluid pressure, or by using the same fluid pressure in each cylinder and varying the diameter of the pistons. Any fluid which leaks from inside the member 10, escapes through grooves 54 machined in the inner wall of die block 11. The working fluid 53 in the waveguide 10 and in the cylinders 34, 36 is a silicone oil. The section of material sheared from the waveguide is driven into the tapered hole and acts as a seal against the loss of fluid. In a modification the recesses and plungers are formed in a mandrel which is placed inside the waveguide and the whole assembly is then placed in a container so that pressurized fluid can be applied to the outside of the waveguide.
Patent GB-1034935-A (GB)
Title: Tertiary esters of indolyl aliphatic acids and their production
IPC: C07D209/12
Filed: 1963-12-20
Abstract: Tertiary a -(3-indolyl) aliphatic esters of formula <FORM:1034935/C2/1> where each of R and R1 is a hydrogen atom or a C1- 8 alkyl; each R2 is a hydrogen or halogen atom or a C1- 8 alkyl, C1- 8 alkoxy, halogenated alkyl, hydroxy, nitro, cyano, amino, substituted amino, aminomethyl, substituted aminomethyl, dialkylsulphonamido, mercapto, or alkylmercapto radical; and each of R3, R4, R5 is an alkyl, alkoxyalkyl, aralkyl, aryl or aralkyl radical or R3 and R4, together with the tertiary ester carbon atom, represent a cycloalkyl or cycloalkenyl radical and R5 is a C1- 8 alkyl radical, are prepared by reacting a phenyl hydrazine addition salt, <FORM:1034935/C2/2> where R2 is as previously defined and HX represents an acid with ionization constant of at least 10-5, with a y-keto acid tert.-ester <FORM:1034935/C2/3> in an organic solvent in the absence of a catalyst. Examples describe the preparation of t.-butyl 2-methyl-5-methoxy, -butoxy, -propoxy, and ethoxy-3-indolyl acetates; 2-methyl-3-indolylacetic acid t.-butyl ester; 2-methyl-5-fluoro and 5-trifluoro methyl-3-indolylacetic acid t.-butyl esters; 2-methyl, -ethyl and butyl-5-alkyl-3-indolylacetic acid t.-butyl ester; 2-methyl-5-dimethylamino-3-indolyl acetic acid t.-butyl ester; 2-methyl-5-dimethylsulphonamino- and 2-methyl-5-diethylamino-3-indolyl acetic acid t.-butyl esters; 2-methyl-5-nitro-and 5-cyano-3-indolyl acetic acid t.-butyl ester; 2-ethyl, 2-propyl and 2-butyl-5-methoxy-3-indolylacetic acid t.-butyl ester; a -(2-methyl-5-methoxy-3-indoyl) propionic, butyric, pentanoic and caproic acid t.-butyl esters; 2-methyl-5-alkoxy-3-indolyl acetic triphenyl methyl esters; 2,4,5 - trimethyl - 7 - chloro - 3 - indolylacetic acid t.-butyl esters and other compounds are listed.  g -Keto acid tertiary esters of formula <FORM:1034935/C2/4> where each of R and R1 is a hydrogen atom or a C1- 8 alkyl radical and each of R3, R4, R5 is an alkyl, alkoxy, aralkyl, aryl or alkaryl radical or R3 and R4 together with the tertiary ester carbon atom represent a cycloalkyl or cycloalkenyl radical and R5 is a C1- 8 alkyl radical in particular, tert. alkyl levulinates, tert. butyl levulinates and triphenyl methyl levulinate are claimed and they are prepared by reacting a g -keto acid <FORM:1034935/C2/5> under acidic conditions with a tert. olefine <FORM:1034935/C2/6> where R15 is a radical capable of becoming an alkyl, alkoxyalkyl, or aralkyl radical upon addition of a hydrogen atom. An organic solvent is used and an acid catalyst may be present. The keto-acid may also be reacted with alkylene cycloalkanes or cycloalkylenes or an alkyl cycloalkene-1. Alternatively the corresponding keto acid chloride may be reacted with an alkali tert. alkoxide in anhydrous benzene, or with a tert. alkanol in the presence of a halogen acid acceptor such as tert. amines.  A salt of the corresponding keto acid, preferably the silver or ammonium salt, may be treated with a triacylated halomethane in benzene under anhydrous conditions.
Patent GB-1337439-A (GB)
Title: Mobile marine platform apparatus having floating submerged mat stabilization
IPC: B63B39/06
Filed: 1970-10-23
Abstract: 1337439 Stabilizing floating platforms DRESSER INDUSTRIES Inc 23 Oct 1970 [29 Oct 1969 17 March 1970] 50400/70 Heading B7M [Also in Division E1] A mobile marine platform comprising a workdeck (96), Fig. 1 (not shown), supported above water by a column 97 is stabilized by a plate 98 secured to the lower end of column 97 and provided with a plurality of apertures 100 at least some of which are selectively closable by covers 102. The column 97 or the plate 98 may be ballastable and buoyancy is provided by pontoons 99. The column 97 may be telescopic.
Patent GB-1460118-A (GB)
Title: Photographic camera
IPC: H05B46/00
Filed: 1974-11-22
Abstract: 1460118 Cameras POLAROID CORP 22 Nov 1974 [26 Dec 1973] 50734/74 Heading G2A  A photographic camera includes a mechanism 66 which allows one flash-bulb of an array of flashbulbs 36-44 to be fired as the shutter release 26 is depressed, the firing of the one flash-bulb preventing further flash-bulbs from being fired during the exposure cycle. The mechanism comprises a rotatable shaft 72 held against movement by cantilever spring 114 engaging a notch 120 on a wheel 116 connected to the shaft. Depression of shutter release 26 causes disengagement of the spring from the notch and allows the shaft to be rotated through one revolution by a spring motor 74. During rotation of the shaft, a wiper arm 78 fixed to the shaft and connected to a battery 104 engages contacts 82-90 connected to the flash-bulbs 36-44. Firing of a flash-bulb occurs when the wiper engages the first contact which is connected to an operative flash-bulb to cause a capacitor 110 to discharge through that bulb. Further firing of operative flashbulbs as the wiper engages the other contacts during the single revolution of the shaft is prevented as a result of the capacitor 110 being discharged.
Patent GB-1209458-A (GB)
Title: Improvements in or relating to liquid level and temperature sensing systems
IPC: G01F23/24
Filed: 1967-11-08
Abstract: 1,209,458. Sensing liquid levels and temperature electrically. ALL-O-MATIC MFG. CORP. Nov.8, 1967 [Nov. 16, 966], No.50881/67. Heading G1N. A liquid level and/or temperature sensing system e.g. for the cooling water of an automobile engine, comprises a semi-conductor sensor 2 Fig. 1, of doped silicon, germanium or gallium arsenide, either N or P type, the resistance of which decreases as temperature increases above a characteristic temperature value and the resistance of which increases as temperature increases at temperatures below the characteristic value. The semi-conductor sensor 2 is connected in series with a warning lamp to the battery voltage, the lamp filament acting additionally as a current limiter. The sensor may firstly be used to monitor the liquid temperature. For safe working temperatures of the engine the current through the sensor 2 will be insufficient to light the lamp. As the temperature rises above the characteristic value e.g. 250‹ F., the sensor resistance decreases and the current will increase causing the lamp to light increasingly brightly. Secondly the sensor monitors the liquid level. If the level falls below the sensor there will be no heat transfer to the liquid and the sensor temperature will increase rapidly due to the I<SP>2</SP>R losses therein. The sensor resistance therefore decreases and the current increases to light the warning lamp being limited by the resistance of the lamp.
Patent GB-1492889-A (GB)
Title: Rotary positive-displacement fluid machines
IPC: F04C3/04
Filed: 1975-12-12
Abstract: 1492889 Rotary positive-displacement fluidmachines E M RYLEWSKI 12 Dec 1975 [12 Dec 1974] 50941/75 Heading F1F In a machine similar to the first embodiment described in Specification 1392105 the rotor 15 has a surface 55 lying in a plane perpendicular to the axis of rotation and containing the apices 54 of the ribs 33 between the passages 32 formed in the stator disc 10, the shape of each of these passages being such that during short periods in which two of the vanes 51 occupy a portion of the passage between rib end-edges 36a, 37b the volume rate of flow of working fluid in the section of the passage between the vanes is constant. It is indicated that the constancy of the said flow-rate reduces "water hammer" and cavitation when the machine is used as a pump. The aforementioned plane may be other than perpendicular to said axis.
Patent GB-1073491-A (GB)
Title: Improved sulfate-base rutile tio pigment and method for producing same
IPC: C09C1/36
Filed: 1963-12-30
Abstract: A rutile TiO2 calciner discharge prepared by drying, calcining and milling a TiO2 hydrolysate produced by a sulphate process, is characterized by discrete particles having a weight mean size no greater than 0.33 micron and a standard deviation of distribution no greater than 0.17 micron.  The dry milled discharge may be slurried in an aqueous medium with one or more soluble salts of Ti, Al or Si, the pH of the mixture adjusted to precipitate the hydrous metal oxides or the discharge, and the coated discharge dry milled.  The coated discharge is preferably milled with an intensity at least equal to the minimum used in milling the untreated discharge. The discharge may be coated with 0-2.5% hydrous TiO2, 0-4.0% hydrous Al2O3 and 0-2.5% hydrous SiO2, the total addition being not less than 1.0%.  Preferably at least 70% of the coated particles are of 0.15-0.3 microns, not more than 3% being above 0.5 microns.
Patent GB-1259900-A (GB)
Title: Improvements in cattle tables
Inventor: MILES PAUL HALLAM AUSTIN
IPC: A61D3/00
Filed: 1969-10-20
Abstract: 1,259,900. Cattle table. P. H. A. MILES. 20 Oct., 1969 [21 Oct., 1968], No. 51396/69. Heading A5R. A cattle table which may form part of a cattle crush comprises a flat deck 1 hinged to front and rear supports, the front support including a wheeled assembly, and the front and rear supports each being movable between forward and rearward positions relative to the deck. A draw bar 5 is secured to a wheel axle 6 of the wheel assembly and has a lever 7 projecting from the inner end of the draw bar at an obtuse angle. The front support comprises a triangular structure 9, one apex 10 of which is hinged to the bottom of the deck 1 near the centre thereof, and a second apex 8 of which is hinged to the lever 7 of the wheel assembly. The rear support comprises a trestle 13 hinged to the undersurface of the deck 1 and having a continuous base 14. The table is movable between a transport position (Fig. 1) to a horizontal position (Figure 5, not shown) to form a cattle table or a vertical position (Figure 4, not shown) to form the wall of a crush, by moving the two supports to different positions.
Patent GB-1110935-A (GB)
Title: Tools for stripping covered wire
Inventor: BIEGANSKI ZDZISLAW
IPC: H02G1/12
Filed: 1964-12-17
Abstract: 1,110,935. Stripping insulation. Z. BIEGANSKI, and H. BIEGANSKI. 17 March, 1966 [17 Dec., 1964], No. 51438/64. Heading H2C. In the cable stripper shown, closure of handles 23 operates through toggle linkage 19 to close a pair of jaws 11 to grip the insulation while inner jaws 15 are carried in by the outer ones to cut partly through the insulation. When the resistance to the jaw movement becomes sufficient the central bars 18 of the toggles force member 18 downwardly carrying with it a rod 17 against the action of spring 22. The rod is coupled to the severing jaws 15 which thus pull away from the gripping jaws to strip the severed insulation. In other arrangements (Figs. 2-1, not shown), each handle is pivoted to the member 18 by a single lever. In this case the tool is gripped near the head to sever the insulation and near the end to strip it. The inner and outer jaws are mounted on leaf springs. In a further arrangement (Figs. 5-7, not shown), each handle consists of a lever in two parts pivoted together at the lower end and coupled through a cross link at the upper. The inner parts operate the cutting action and the outer control the stripping.
Patent GB-1442009-A (GB)
Title: Synthesis of silicon oxynitride
IPC: C01B21/082
Filed: 1974-11-28
Abstract: 1442009 Silicon oxynitride NORTON CO 28 Nov 1974 [5 Dec 1973] 51686/74 Heading C1A Si 2 ON 2  is made by heating a mixture of finely divided SiO 2  and Si in an inert atmosphere, e.g. argon, to form a "sinter" while avoiding melting of the Si for a time at least sufficient to form a film of SiO 2  on the Si particles and then reacting said mix with N 2  at a temperature of 1380- 1470‹ C. The Si : SiO 2  molar ratio is preferably 3 : 1 and the mixture, after heating and prior to nitridation is preferably mechanically crushed to a powder state. The starting mixture preferably contains less than 0À1% of alkaline earth oxides.
Patent GB-1287417-A (GB)
Title: Game
Inventor: HOLLEY CLIFFORD ERNEST GEORGE
IPC: A63F7/07
Filed: 1968-10-31
Abstract: 1287417 Game C E G HOLLEY 25 Sept 1969 [31 Oct 1968] 51735/68 Heading A6H Game apparatus comprises a board with a slippery surface marked with a target at one end, and having continuous raised edges 2 at the sides in the vicinity of the target and at the target end 3, the said edges having resilient inside surfaces. In use, the hand or a cueing device 54 is used to project discs across the surface towards the target. The device is pivotable and movable across the width of the board on rails 57. Pegs and holes 9 for scoring are provided. The board may be of wood, plastics, or metal, and may be treated with talcum powder. The resilient surfaces of the raised edges may be of rubber. The discs may be of steel, and have plastics pegs force-fitted into apertures in their upper surfaces. Figs. 5 and 6 (not shown) illustrate two alternative embodiments of cueing device. In one, the cue is drawn back, stretching an elastic band, and held by a pawl and ratchet arrangement to be released by depressing a trigger. In the other, a sharp blow on a plunger actuates the cue via a bell-crank lever against the restoring force of a compression spring.
Patent GB-1056710-A (GB)
Title: Process for treating crude petroleum oils
Inventor: DAVENPORT THOMAS CHARLES
IPC: C10G73/06
Filed: 1964-12-23
Abstract: In a continuous process for the treatment of waxy crude petroleum oils to render them more pumpable at temperatures below their normal pour points, the oil is first heated to a temperature at which all the wax is in solution in the oil and then the heated oil is cooled to a temperature not substantially below 50 DEG  F. to reprecipitate the wax, the oil being cooled over at least a major part of the temperature range within which the wax is precipitating under conditions of substantially laminar flow and at an overall cooling rate of from 2.5 DEG  to 10 DEG  F. per minute.  The preferred cooling rate is 5 DEG  to 10 DEG  F./min.  The cooling may be carried out in a vertical tubular heat exchanger.
Patent GB-1400959-A (GB)
Title: Coldshaping machine and synthetic resin material articles  produced thereby
IPC: B29C51/08
Filed: 1973-11-12
Abstract: 1400959 Stamping; making lip seams SOLVAY & CIE 12 Nov 1973 [13 Nov 1972] 52387/73 Headings B3J and B3Q [Also in Divisions B5 B6 and B8] An apparatus for cold shaping synthetic resin blanks to form circular articles with at least one lug, e.g. a lid (24) with a tear tab (25), Figs. 9 and 10, not shown, comprises a punch 3, a die 4, and a blank holding ring 6 which includes a movable section 18 disposed in an area where the lug is to be formed and having a width at least equal to the width of the lug. As the die 4 is lowered the lug is punched by a bar 23 co-operating with a slot 22, spring-loaded section 18 prevents the lug from being torn. Upon further downward movement of the die 4, a flange is formed on the article, and at least one circumferential rib is pressed into the flange by a ring 9 of polyurethane which is expanded towards of groove 11 by downward movement of a member 5 when the die 4 reaches its lower stop. A circumferential cutter 12 partially severs the resin article to form a tear slit. Springs 19 which support the section 18 can be replaced by a fluid device.
Patent GB-1154713-A (GB)
Title: Improvements in or relating to Blanks for Nuts and the like
Inventor: BENNETT ALAN JAMES
IPC: F16B37/00
Filed: 1965-12-10
Abstract: 1,154,713. Making nuts. FIRTH CLEVELAND FASTENINGS Ltd. 9 Dec., 1966 [10 Dec., 1965], No. 52522/65. Heading B3A. [Also in Division F2] A nut blank having a bore to be screw threaded, is made from, e.g. synthetic plastics or a metal alloy, and has a plain portion 12 and a portion 13 with several longitudinal ribs 15 formed therearound. The ribs taper in thickness and have their outer ends lying on a helical line. The ribs may have straight or curved sides which may be radiused into the portion 12, and can decrease in radial thickness away from the portion 12. The outer ends may be in a plane normal to the axis of the blank. An integral washer 10 is formed on the end of the blank.
Patent GB-1102100-A (GB)
Title: An aid for teaching the mode of operation of electronic computers, and the elements of computer logic
IPC: G09B23/18
Filed: 1964-12-31
Abstract: 1,102,100. Display device for teaching two state circuit logic. J. A. CLARK. 30 March, 1966 [31 Dec., 1964; 9 June, 1965], Nos. 52977/64 and 24340/65. Headings G5C and G5G. A device for teaching the elements of two state circuit logic, by simulating the mode of operation of basic computer circuits, comprises two members mounted together so that one is movable relative to the other, one of the members having surface representations of the components and circuits, with holes at those points where simulation of activity is required, and the second member having a prepared pattern which when moved behind the first member causes the display at the holes to change in a logical manner similar to the corresponding points in real components and circuits.
Patent GB-1094100-A (GB)
Title: Device for the quantity-regulated charging of feedstuff troughs
IPC: A01K5/02
Filed: 1964-12-31
Abstract: 1,094,100. Animal feeding appliances. ETABLISSEMENTS P. LECIEUX & CIE. Dec. 31, 1964 [Jan. 1, 1964; Nov. 11, 1964], No. 53051/64. Heading A1M. [Also in Division B8] Animal feeding apparatus comprises a mechanically working supply device 2 supplying feed to a number of troughs, a storage container being located between the device 2 and each trough and having an outlet which is opened after the filling of the last container. A pipe 8 conveys feed to hopper 9 and is surrounded by a sleeve 16 adjustable along the pipe so that its depth of penetration into hopper 9 can be varied to vary the amount of feed dispensed. Each hopper 9 has a closure flap 11 connected by cable 12 to a main cable 13 which is pulled under the control of a switch actuated when the last hopper is filled. Feed is conveyed along the device 2 by a worm driven by a motor. In a modification the storage hopper is secured on the supply device and is traversed by a shaft (25) carrying a regulating flap (26) which is adjusted to vary the effective volume of the hopper. The hopper is closed by a flap provided with a counterweight, the flap being held in place by a locking device coupled to the main cable. In a further modification the outlets from the supply device to the hoppers are controlled by slide valves which carry partitions extending into the hopper.
Patent GB-1458149-A (GB)
Title: Duplicating apparatus
IPC: B41F7/02
Filed: 1974-12-10
Abstract: 1458149 Duplicating machine PITNEY BOWES Inc 10 Dec 1974 [21 March 1974] 53394/74 Heading B6C The master for a lithographic press is produced in an electrostatic duplicating apparatus 15 in a frame 12 and conveyed to the lithographic press in a frame 96. Sheets of master material are cut from rolls 28 and fed through rollers to corona charger 38, then to exposure point 26 and to developer 52 whose outlet 60 is aligned with the mouth 82 of a sheet conveying structure mounted in frame 66 in which drying fans 84 are provided. The master sheet is oriented and fed to master cylinder 102 where it is etched and dampened by fluid from unit 108. An inking unit is disposed adjacent the cylinder 102 which engages a blanket cylinder 116. Copy sheets fed from stack 92 between impression cylinder 118 and blanket cylinder 116 are passed around delivery cylinder 120 to tray 124. After sufficient copies have been taken the master is released by gripper fingers 142 and passed through guides 144 to tray 150.
Patent GB-1473547-A (GB)
Title: Resorcinol preparation
IPC: C07C37/05
Filed: 1974-12-10
Abstract: 1473547 Preparation of resorcinol KOPPERS CO Inc 10 Dec 1974 53474/74 Heading C2C According to the present invention, there is provided a method of making resorcinol which comprises (a) dissolving m-dinitrobenzene in a solvent which is a mixture of a mononuclear aromatic hydrocarbon and an alkanol, said aromatic hydrocarbon being present in an amount sufficient to dissolve said m-dinitrobenzene, said alkanol being present in an amount sufficient to dissolve the water of reaction and m-phenylenediamine subsequently produced from said m-dinitrobenzene and not dissolved by said aromatic hydrocarbon, and said aromatic hydrocarbon and said alkanol being selected and mixed in such proportions as to provide a mixed organic solvent having the physical characteristics of a constant boiling mixture; (b) contacting the resulting solution with hydrogen under positive pressure at an elevated temperature less than 100‹ C. in the presence of a nickel catalyst until hydrogen absorption ceases; (c) separating substantially pure m-phenylenediamine from the hydrogenated mixture by fractional distillation; (d) contacting said m-phenylenediamine with 1À2- 2À2 moles of concentrated sulphuric acid per mole of said m-phenylenediamine in aqueous solution containing initially 5-15% by weight of m-phenylenediamine based upon the amount of water in said solution at a temperature of 180-250‹ C. for a time sufficient to hydrolyse m-phenylenediamine to resorcinol to form an aqueous product solution; (e) cooling said aqueous product solution to prevent polymerization of the resorcinol formed; and (f) extracting resorcinol from said cooled aqueous product solution with a water immiscible solvent.