baber/WOPTO huggingface dataset:
Patent GB-1528938-A (GB)
Title: Hydraulic control valves
IPC: F16K17/06
Filed: 1975-12-11
Abstract: 1528938 Fluid pressure servomotor systems SPERRY RAND CORP 11 Dec 1975 [10 Feb 1975] 50776/75 Heading G3P [Also in Division F2]  A combined unloading, relief and load compensating valve 14, used to control flow of fluid from a pump 12 to a fluid motor 18 via a directional valve 16, comprises a first spring-loaded spool 52 controlling a seat 48 of the valve body and having a seat 64 controlled by a second spring-loaded spool 68 moving within the first spool. The first spool is closed by an end cap 74, having a spud 78 on which the second spool slides, which separates the valve 14 into two chambers 58, 70, in communication with each other and a control passage 86 by a restricted passage 84. With the directional valve 16 in its closed centre position and thus no pressure at control passage 86, the first spool shifts to the right dumping the pump output back to a reservoir 10 via lines 24, 25; the valve 14 acting as an unloading valve. On moving the directional valve 16 to an operating position, pump fluid is supplied via lines 22 and 30 or 32 to the fluid motor and via a shuttle valve 38 to the control passage 86. The first spool closes and the second spool moves to regulate the amount of pump fluid supplied; the valve 14 acting as a load compensating valve. If the fluid-pressure at the motor 18, and hence at the control passage 86, rises above a predetermined amount, a pilot relief valve 42 opens, relieving the pressure on control passage 86 and allowing the second spool to open to return the excess pump output to the reservoir 10; the valve acting as a relief valve.
Patent GB-1244481-A (GB)
Title: Benzothiazine derivatives and the preparation thereof
Inventor: CAVALLA JOHN FREDERICK
IPC: C07D417/06
Filed: 1967-11-08
Abstract: 1,244,481. Benzothiazine derivatives. JOHN WYETH & BRO. Ltd. 16 Oct., 1968 [8 Nov., 1967], No. 50838/67. Heading C2C. Novel benzothiazine derivatives of the formula in which R is H, halogen, C 1-6  alkyl, C 1-6 alkoxy, NO 2  or halo-C 1-6  alkyl, and R<SP>1</SP> is H, alkyl, aryl, substituted alkyl, aralkyl, alkoxycarbonyl or acyl and acid addition and quaternary ammonium salts of the basic compounds are prepared by reacting the appropriate 2 - (3,4- dihydro - 3 - oxo - 2H - benzo - thiazin - 2 - yl)- acetic acid or a functional derivatives thereof with the corresponding piperazine derivatives. Pharmaceutical compositions, having antidepressant and anticholinergic activity and/or anti-ulcer activity and suitable for oral or parenteral administration, contain the above novel compounds or salts thereof and pharmaceutically acceptable carriers.
Patent GB-1369499-A (GB)
Title: High power explosive compositions containing nitroglyceroglycol
IPC: C06B23/00
Filed: 1971-11-02
Abstract: 1369499 Explosive compositions SOC FRANCAISE DES EXPLOSIFS 2 Nov 1971 [2 Nov 1970 5 Aug 1971] 50880/71 Heading C1D A non-aqueous substantially oxygen-balanced high explosive composition in the form of a thickened liquid of pourable consistency comprises nitroglyceroglycol, an organic component which acts as a thickener and desensitizer, and a combustion-supporting substance. The organic component may comprise an organic thickening agent and an oxygenated organic solvent which is miscible with nitroglyceroglycol and acts as a desensitizer; alternatively a single organic compound (e.g. polyvinyl acetate) may act both as thickener and desensitizer. Thickening agents specified are nitrocotton, polyvinyl acetate, vinyl acetate-vinyl chloride copolymer, cellulose acetate, methyl polymethacrylate, methyl methacrylate-ethyl acrylate copolymer, and glycol-phthalic acid polycondensate. Miscible organic solvents which may be used are dibutyl phthalate, dimethyl phthalate, glycerol triacetate, ethylene glycol diacetate, diethylene glycol, methyl tartrate, methyl malonate, and methyl maleate. The combustion supporting substance may be ammonium nitrate, either unground and of low porosity, or finely ground and of medium porosity; sodium, potassium, and calcium nitrates may also be added. Other optional ingredients referred to are sodium methylnaphthalene sulphonate, sodium alkylbenzene sulphonate, or fuchaine as an antisetting agent, and aluminium to provide extra heat of combustion.
Patent GB-1198687-A (GB)
Title: Tubular Food Packages with Tear Strip, and a Method and Apparatus for the Production of Same.
Inventor: OMORI SHOZO
IPC: B65B9/213
Filed: 1967-11-10
Abstract: 1,198,687. Packaging machines. S. OMORI. 10 Nov., 1967 [11 Nov., 1966(4); 26 July, 1967(2)], No. 51163/67. Heading B8C. A sausage type package formed by tubing a plastics &c. web about a contents feed nozzle and sealing and severing the tube at package lengths, has a tear cord or strip sealed partway along the package length at the same time as the sealing of the tube seam and, in the examples shown, on the opposite side to it. The free portion assists gripping and may occur at the centre of the package length or adjacent the ends. It may be tack welded midway of its ends to prevent it looping up or incised to asist breaking. The strip 28 is shown as free centrally at 43 and tack welded at 42 in Fig. 5F. Apparatus for forming the package includes a hopper with a stirrer and an extruder at the hopper exit connected to the feed nozzle 11. The extruder, Fig. 2 (not shown), comprises a cylindrical valve member rotating in a cylinder attached at its side wall to the hopper exit and the valve member having apertures coinciding alternately with the hopper outlet and the exit to the nozzle. A piston reciprocates within the valve to extrude the material. A web 25 is tubed in the usual way around the nozzle and the tear strip 28 is positioned to lie on the opposite side to the overlap. Electrodes 29, 32 on reciprocating jaws 30, 36 simultaneously form the seam and attach the strip by pressing against the nozzle 11 while the web is stationary. The lower electrode 32 may not extend along the nozzle as far as the upper does, either upstream, downstream or both, to to produce free strip portions at one or both ends Alternatively the electrode 32 may be recessed to produce a free central portion. An additional electrode or a knife mounted on the jaw 30 may tack weld or incise the free portion. Known means attaches securing clips to the ends and severs packages from the tube.
Patent GB-1242001-A (GB)
Title: Pharmaceutical preparations
IPC: A61K31/47
Filed: 1968-10-29
Abstract: 1,242,001. Pharmaceutical compositions; dragees. CIBA-GEIGY A.G. 29 Oct., 1968 [2 Nov., 1967], No. 51177/68. Heading A5B. A pharmaceutical composition suitable for oral use comprises 4,7-phenanthroline-5,6- quinone, pancreatin, bromelin, dehydrochlolic acid and 5,7-dichloro-8-hydroxyquinoline and a carrier suitable for oral administration. The composition may be in the form of a threestage dragee, the inside core of which contains the quinone and quinoline derivatives, the layer surrounding the core contains the pancreatin and dehydrocholic acid, the entire core being protected by an envelope which is resistant to the gastric juice but disintegrates in an alkaline medium and the outer dragee layer contains the bromelin.
Patent GB-1393869-A (GB)
Title: Electrically conducting material
IPC: H01B1/00
Filed: 1971-11-08
Abstract: 1393869 Electrically conductive silicon nitride material UNITED KINGDOM ATOMIC ENERGY AUTHORITY 2 Nov 1972 [9 Nov 1971] 51878/71 Heading C1A An electrically conducting material comprising a matrix of silicon nitride having dispersed therein an electrically conducting phase is prepared by subjecting to nitriding conditions a mixture comprising silicon and a component having a particle size not greater than 50 microns and capable of reaction with silicon under said conditions to give the electrically conducting phase so that a part of the silicon is nitrided to form the matrix and the remainder of the silicon reacts with the component to give the conducting phase, the conditions of the reaction and the proportions of material being such that free component is absent in the material produced. The mixture is preferably in the form of an artefact before it is subjected to the nitriding conditions. The component is preferably carbon, e.g. colloidal graphite of particle diameter in the range 100 Š to 200 Š, or carbon fibres of mean diameter 10 microns, when the electrically conducting phase is silicon carbide. In an alternative embodiment the component may be molybdenum when the conducting phase is molybdenum disilicide. A particular range of composition preferred are those in which silicon nitride is the matrix, silicon carbide the conductive phase, these materials containing not more than 37% by volume of silicon carbide and having a resistivity at room temperature of not more than 140 ohm. cm.
Patent GB-1454466-A (GB)
Title: Manufacture of packaging containers
IPC: B29C61/00
Filed: 1974-01-11
Abstract: 1454466 Apparatus for producing parallelepiped packages TETRA PAK DEVELOPPEMENT SA 11 Jan 1974 [18 Jan 1973] 51918/75 Divided out of 1454464 Heading B8C The subject matter of this specification is substantially the same as that described in Specification 1,454,464, but the claims are concerned with a packaging means for advancing webs at uniform speed and means for banding the webs together at their edges while the webs are advanced at uniform speed.
Patent GB-1412167-A (GB)
Title: Metal air cells and batteries
IPC: H01M12/08
Filed: 1973-11-08
Abstract: 1412167 Recharging metal-air cells SIEMENS AG 8 Nov 1973 [9 Nov 1972] 51990/73 Heading H1B The water lost from the aqueous electrolyte of a metal-air cell 12 during cell operation is replenished during charging by covering the hydrophobic surfaces 19, 20 of the air electrodes 17, 18 with water whereby water vapour diffuses through the air electrodes into the electrolyte compartment 15 under the action of the vapour pressure gradient across the electrodes. As shown, the surfaces 19, 20 are covered with water by immersing the cell in a water-containing vessel 10. The electrolyte comprises KOH and the anode 14 is of iron. Each electrode 17, 18 may comprise three layers, a hydrophobic gas side layer of PTFE, a centre layer of carbon powder bound with a polymer and an electrolyte side layer of sintered nickel powder. A method of making the electrode is described. In a modification, a two-layer electrode is formed by omitting the PTFE layer and instead hydrophobic material is incorporated in the carbon layer. An additional charging electrode may be provided (Fig. 3, not shown).
Patent GB-1450305-A (GB)
Title: Vulcanization accelerator combinations
IPC: C08L23/00
Filed: 1974-12-02
Abstract: 1450305 Vulcanization accelerator MONSANTO CO 2 Dec 1974 [3 Dec 1973] 52015/74 Heading C3E A sulphur-vulcanizable diene rubber composition comprises natural rubber or a blend of natural rubber with a synthetic diene rubber in which blend a major proportion of the rubber is natural rubber, sulphur, and an accelerating amount of a synergistic accelerator combination of thioperoxy-diphosphate accelerator and bis- (diamino - s - triazinyl)disulphide accelerator. The thioperoxydiphosphate accelerator may have the formula in which each R independently is alkyl, cycloalkyl aralkyl or aryl and the bis-(diamino-o-triazinyl) disulphide accelerator has the formula in which R 1  and R 3  are each hydrogen, or an alkyl, alkenyl, aralkyl, cycloalkyl or aryl radical or said radical substituted by cyano, hydroxy or C 1-5  alkoxy, R 2  and R 4  are each an alkyl, alkenyl, cycloalkyl, aralkyl or aryl radical or a said radical substituted by cyano, hydroxy or C 1-5  alkoxy or R 1  and R 2  are linked such that -NR 1 R 2  is a heterocyclicamino radical or R 3  and R 4  are linked such that -NR 3 R 4  is a heterocyclicamino radical. Numerous examples of each of the two types of accelerator are specified. Suitable synthetic rubbers for mixing with the natural rubber are cis-4-polybutadiene, butyl rubber, ethylenepropylene terpolymers, polymers of 1,3-butadiene, polymers of isoprene and copolymers of 1,3-butadiene with styrene, acrylonitrile, isobutylene and methyl methacrylate. The specific examples describe compositions containing as accelerator a mixture of 0,0<SP>1</SP>-diisopropyl thioperoxydiphosphate and bis-(2-ethylamino-4- diethylamino-s-triazinyl-6-yl)disulphide and either natural rubber or a blend of natural rubber and cis-4-polybutadiene rubber (70 : 30).
Patent GB-1182678-A (GB)
Title: Position sensing apparatus
Inventor: DIEDERICH MARIE ALPHONSE PAUL
IPC: G05B19/21
Filed: 1967-11-21
Abstract: 1,182,678. Digital indication of position. DECCA Ltd. 14 Nov., 1968 [21 Nov., 1967], No. 52962/67. Heading G4H. A digital indication of position is derived from a track 10 formed from a number of portions of equal length alternate ones having different characteristics to represent "1" and " 0 ", detectors 16 and 17 spaced apart by half a portion length (or the equivalent) and providing first and second binary signals controlling a binary counter 18 having a number of stages 19, 20, 21 connected by gates 23-26 so as to count in Gray Code. The portions, as described, are alternately translucent and opaque and are sensed by photo-cells 16, 17. Conductive and non-conductive portions may be used instead. The signals from detector 16 are applied directly to bi-stable 19 while those from detector 17 are differentiated at 22 and applied to gate 24. The bi-stables 19-21 have set and reset outputs Q and Q. The set output Q is applied to AND gate 23 with the output of the differentiator 22, so that if bi-stable 19 is set, bi-stable 20 is changed when the detector 17 passes from a " 1 " to a " 0 " portion or vice versa. The change signal from the differentiator can only pass to the next stage if the bi-stable 19 is reset and the signal Q is present at the gate 24. With this arrangement the counter counts in Gray Code forward and backward depending on the direction of movement of the member 10. The apparatus may be used to position a chart in accordance with signals from a computer representing for instance the position of a mobile craft. The chart is driven until the signals derived from the counter compare with those from the computer. An extra track parallel with the first track may provide parity check bits. Specification 1,176,556 is referred to.
Patent GB-1363084-A (GB)
Title: Process for the production of linear copolyamides containing oxamide groups
IPC: C08G69/26
Filed: 1971-11-16
Abstract: 1363084 Copolyoxamides BAYER AG 16 Nov 1971 [27 Nov 1970] 53117/71 Heading C3R A process for producing a linear copolyamide of R.V. 1À1 to 4À0 (1 g./100 ml. m-cresol at 25C.) comprises melt polycondensing 1 to 99 mol. per cent of a stoichiometric mixture or salt of an oxamide dicarboxylic acid and a diamine H-Y-H, where x is 5 to 10 and Y is -HN-R-NH, where R is alkylene or 1,4- cyclohexylene, or is of the formula with 99 to 1 mol. per cent of a stoichiometric mixture or salt of hexamethylene diamine and a C 6-12  polymethylene dicarboxylic acid or of a lactam where R 1  is C 3-20  alkylene, in an inert atmosphere at 100 to 350 C. and a pressure between atmospheric and 0À001 Torr. Reference is made to U.S. Specifications 2,954,364 and 2,356,702 and Canadian Specification 604,055 for preparation of the oxamide dicarboxylic acid. In some examples mixtures of diamines or diacids are used for the second component. The copolymers may be immediately processed from the melt into films or filaments.
Patent GB-1305159-A (GB)
IPC: A63H33/06
Filed: 1971-11-16
Abstract: 1305159 Toy construction sets O SCHIMDT 16 Nov 1971 [17 Nov 1970 21 Oct 1971] 53140/71 Heading A6S  A toy construction set includes a bar 1, Fig. 1, of modular type, having notches 2,2' along its longer edges of a width equal to its thickness and of a depth one-quarter of its width, a transyerse slot 3 along the lengthwise axis having a width at one or more points equal to half the width of the bar and of a length and shape to permit the insertion and rotation through 90 degrees of another like bar 1' (see Fig. 5) to engage its notches 2, &c with the first bar, and circular holes 4,4' of diameter half the width of the bar and having their centres spaced from the ends of the bar by a distance also equal to half the width of the bar. Two such bars 1,1' may be connected at their ends by resilient snap fasteners 5a, Fig. 2, having studs 6,6 projecting to one side only, or fasteners 5b, Fig. 4, having studs 6, 6' projecting in opposite direction. Additional bars (1"), Fig. 6 (not shown) may be inserted in the slot 3 parallel to the bar 1'. Modified connecting flat bars (7-12), Figs. 7-12 (not shown), having notches; notches and holes; or notches, holes and slots, all dimensioned on the common module, may be used in combination with the bar. Further modified connecting flat bars, having rounded ends and two or more holes, Figs. 13-15 and 17 (not shown), may also be used in combination with the bar. Another such connecting flat bar has five holes (21), Fig. 16 (not shown) and is of irregular octagonal shape. The element may be used with rods, tubes, axles, shafts, ground-engaging or toothed wheels, or used as a sleeper in a track.
Patent GB-1177116-A (GB)
Title: An Apparatus and Method for Washing Vehicles
IPC: B60S3/06
Filed: 1967-11-23
Abstract: 1,177,116. Washing vehicles. BOEWE BOEHLER & WEBER K.G. MASCHENENFABRIK. 23 Nov., 1967 [2.Dec., 1966; 26 July, 1967], No.53298/67. Heading B7J. Vehicle washing apparatus comprises at least one horizontal (or vertical) rotating brush 1 carried by a pair of brush arms 3 pivoted at 5 to a pair of main arms 6 pivoted to the ground (or wall or ceiling), the brush 1 being moved from an initial position by engagement by a vehicle moving through the apparatus so as. to clean the front and then the top (or side) of the vehicle as the arms 3 pivot upwards and the arms 6 are held in one limit position by a thrustor, and then the arms 6 are pivoted by the thrustor downwards into the other limit position in which a stop prevents pivoting of the arms 3 relative to the arms 6 whereby the brush washes the rear of the vehicle, the thrustor being controlled by the position of both pairs of arms 3, 6 relative to each other and/or by the position of the vehicle. In an embodiment, Fig. 10, the brush motor is energized by the vehicle engaging a feeler, and the arms 3 during their initial upward rotation contact a switch which actuates a pneumatic thrustor 18, 18<SP>1</SP> to pivot the arms 6 downwards until stop 38 engages a rod 30, 29 pivoted at 28 to the stand 39. As the brush 1 clears the rear of the vehicle, the portion 31 of the arms 3 abuts by stop 31<SP>1</SP> against the rod 30, 29, and a further contact 34<SP>1</SP> is actuated which reverses the thrustor 18, 18<SP>1</SP> so that the arms swing together upwards to wash the vehicle rear again. The stop 31<SP>1</SP> finally clears the rod 30, 29 and swings downwards. The arms may be made to swing together by means of an electromagnetic stop on the arms 6 operable to engage the stop 31. In other embodiments involving vertical brushes, the arms are spring or gravity biased relative to each other, and the stop 31 causing the the arms to swing together is either electromagnetic or involves parallel rods. A further brush may be provided on the end 5 of the arms 3.
Patent GB-1372487-A (GB)
Title: Machines with counterbalance apparatus
IPC: B23B47/26
Filed: 1972-11-21
Abstract: 1372487 Counterbalancing GIDDINGS & LEWIS Inc 21 Nov 1972 [16 Dec 1971] 53748/72 Heading B3B [Also in Division B8] A machine, e.g. a machine tool in which a vertically positionable headstock 20 is movable on a column 15 by a drive means, has a counterbalance apparatus comprising a cylinder and piston 31, a metal rope or cable 39 connecting the headstock 20 with a yoke 36 of the movable piston-rod by means of idler pulleys 38, 40, 41 to ensure that the movable piston-rod moves in the opposite direction to the headstock 20, and a fluid pressure supply means to pressurize the cylinder and exert a counterbalance force on the headstock 20, the said supply means providing a first fluid pressure in the cylinder for raising the headstock with a certain predetermined net counterbalance force after allowing for friction forces, and a second fluid pressure for lowering the heastock such that the net counterbalance force is substantially the same as that when the headstock is raised. The apparatus is controlled by a circuit (Fig. 3, not shown) that comprises a pressure line with a pressure reducing valve (54) feeding a solenoid changeover valve (55). A low pressure regulating valve (61) enables a lower pressure to be supplied to the cylinder 31 and a relief valve (64) is in parallel therewith. A pressure switch (70) is in an electrical circuit to control the operation of the machine. The valves (54), (61), (64) are spring biased spool valves with presettable spring closed bleed apertures.
Patent GB-1507443-A (GB)
Title: Pull tab attachment tool
IPC: A44B19/26
Filed: 1976-12-24
Abstract: 1507443 Gripping tools YOSHIDA KOGYO KK 24 Dec 1976 [29 Dec 1975] 54115/76 Heading B4W A tool for attaching a pull tab to the slider of a sliding clasp fastener comprises two pairs of opposed jaws 15, 16 and 33, 34, the first pair of jaws 15, 16 being formed on pivotally interconnected first and second levers 11, 12 and being provided with opposed curved surfaces 37 and 38 which are used for attaching a tab 45 having a transverse pintle 46 and the second pair of jaws 15, 16 being formed on pivotally interconnected first and third levers 11, 26 and being provided with opposed curved surfaces 41 and 43, 44 which are used for attaching a tab 45a having a bifurcated end 51.
Patent GB-1235389-A (GB)
Title: Improvements in or relating to gas-fired appliances, e.g. water heaters
IPC: F24H9/02
Filed: 1968-11-15
Abstract: 1,235,389. Water heater casings. JUNKERS & CO. G.m.b.H. 15 Nov., 1968 [29 Nov., 1967], No. 54276/68. Headings F4A and F4W. The back 10 and the front shell 18 of a gasfired appliance, e.g. a boiler, furnace, oven or, as shown, a water heater, are fabricated from galvanized steel sheet. The heat-reflecting qualities of the galvanized internal surface of the shell enables the outer surface thereof to be coated with laquer or plastics before or subsequent to the shaping of the shell, without subsequent discoloration of the coating due to the heat of the burners. The laquer or plastics coating on the steel sheet may be protected by a protective film introduced during the rolling process. The heater comprises a water fitting 11 with a temperature selection knob 111, a gas fitting 12 with an operating handle 121, a burner 13, a combustion chamber 14 with a heat exchanger 15, a flow safety device 16 and a wastegas outlet connection 17.
Patent GB-1249881-A (GB)
Title: Improvements in and relating to transducer assemblies
IPC: G01L23/08
Filed: 1968-11-15
Abstract: 1,249,881. Cooling transducers. VIBROMETER A.G. 15 Nov., 1968 [29 Nov., 1967], No. 54320/68. Heading F4U. A transducer comprising a measuring device in a housing is interchangeably inserted in an adapter, the housing being cooled by direct contact with coolant supplied to the adapter. As illustrated, the housing 1 is inserted in an adapter 2 which is screwed to the cylinder head 3 of a compressor or an I.C. engine. Coolant ducts 11 and 12 allow the flow of coolant through a space 8 surrounding the housing 1. The space is sealed by rings 5, 6 and 13. The housing 1 may be apertured, Fig. 2 (not shown), so that coolant flows into direct contact with the measuring device. The adapter may be in two parts, Fig. 3 (not shown), which screw together to clamp the housing between them. The transducer may be inductive, capacitative, piezoelectric or ohmic.