baber/WOPTO huggingface dataset:
Patent GB-311951-A (GB)
Title: An apparatus for determining the position of aeroplanes, air-ships, or other vessels, aerial or marine, when travelling in the dark, above the clouds, in fogs, or beyondexternal communication
IPC: G01C21/16
Filed: 1928-05-30
Abstract: 311,951. Chalice, L. May 30, 1928. Drawings to Specification. Latitude and longitude instruments. -An instrument for finding the geographical position of an aeroplane &c. at any time comprises a globe mounted in gimbals and also pivoted so as to be rotatable about its polar axis. Gyroscopes within the globe maintain the polar axis fixed relatively to the earth, and clockwork is provided to rotate the globe about the polar axis at the rate of one revolution per day. When starting a voyage the globe is set so that the point of departure is brought to the zenith as shown by a pivoted pointer : thereafter the pointer will show the position of the aeroplane &c. at any time.
Patent GB-1194083-A (GB)
Title: Process for the Simultaneous Manufacture of Acetic Acid and Carboxylic Acid Vinyl Esters
IPC: F02P3/08
Filed: 1968-04-02
Abstract: 1,194,083. Acetic acid and vinyl esters. KNAPSACK A.G. 2 April, 1968 [5 April, 1967], No. 15744/68. Heading C2C. Acetic acid and carboxylic acid vinyl esters are simultaneously produced by reacting ethylene in the presence of acetaldehyde and a carboxylic acid containing from 2 to 20 carbon atoms with molecular oxygen or air in the gas phase, at elevated temperature, in contact with a metallic-palladium-containing carrier catalyst, the acetaldehyde being produced by subjecting to hydrolysis a portion of the carboxylic acid vinyl ester which has formed earlier in the reaction process. Examples describe the preparation of vinyl acetate and vinyl propionate, hydrolysis of a portion of the vinyl acetate or propionate so produced to acetaldehyde and acetic or propionic acids respectively, and oxidation of the acetaldehyde to acetic acid.
Patent GB-903968-A (GB)
Title: N,n-diphenyl-isonicotinamide
Filed: 1961-05-01
Abstract: The invention comprises N,N-diphenylisonicotinamide and the preparation thereof by reacting a reactive derivative of the acid, such as the chloride hydrochloride, with diphenylamine in an inert organic solvent.  An example is given, and salts of the amide with inorganic and organic acids are referred to.  The amide, which is stated to be a tranquillizer, may be made up into pills, tablets, capsules or suspensions.  Aqueous solutions of its salts are also referred to.
Patent GB-1161711-A (GB)
Title: Motor Vehicle Steering Column Assemblies
Inventor: HUME DUDLEY ROWLAND
IPC: B62D1/19
Filed: 1967-04-06
Abstract: 1,161,711. Collapsible steering columns. FORD MOTOR CO. Ltd. 6 April, 1967, No. 15773/67. Heading B7H. In a collapsible steering column comprising an axially deformable can 2 mounted at the upper end of a steering shaft 1, a steering wheel 3 is connected to the can 2 by means permitting an additional degree of axial collapse. The wheel 3 is connected by a nut 6 to a splined spindle 5 which is slidable in a member 7 bolted to the can 2 and is prevented from detachment by a stop washer 10. A shear pin 9 normally prevents downward movement of the spindle 5 but shears under a predetermined axial load to allow the wheel 3 to move down on to the member 7 prior to collapse of the can 2. The can 2 may be perforated to provide a variable rate of collapse. The boss 4 of the wheel 3 is padded.
Patent GB-153041-A (GB)
Title: Centrifugal machine
IPC: B04B11/06
Filed: 1919-06-23
Abstract: 153,041. Sharples, P. T. June 23, 1919. Density separators. - ln a centrifugal separator for liquids of different densities, the mixture of liquids is fed into the bottom of the bowl, and near the top of bowl weirs are provided for each of the separated liquids, the weirs being so constructed and situated that they maintain a constant ratio 'between the separated liquids independently of the variations in the quantities discharged or the viscosities of the liquids. The arrangement is such that the depth of the liquid flowing over the said weirs is very small and approximately constant. The weirs comprise a ring 8 having the concentric inner narrow lip or knife edge 8<1> and the outer edge 8" and a ring 9 with the concentric knife edge . The lighter liquid after passing over the edge 8<1> is discharged by the channel 8a and passages 10 in the neck 4 of the bowl 3 to a receptacle, the passages 10 being of such cross sectional area and distance from the axis of rotation as to offer no obstruction to the discharge of liquid over the edge 8'. The heavier liquid flows over the edge 8<11> and through the inclined annular passages 12 to the annular channel 13 surrounding the neck 4 whence it is discharged over the edge of the weir 9 into another receptacle. The ring 8 is provided with a concentric collar 15 forming the outer wall of the channel 8<a> and adapted to be screwed on the neck 4, thus permitting the substitution of rings or weirs of different dimensions as desired. The ring 9 lies within a collar 16 integral with the bowl 4, and is kept in position by a screwed ring 17 having a flange 17<1> engaging the ring 9. Rings or weirs of different dimensions can thus be substituted for the ring 9 if desired. To impart rotary motion to the fluid in the top of the bowl, wings 18 are secured to the collar 15 and ring S. In a modification, Fig. 5, the ring 9 is dispensed with and discharge passages 10<1>, 12', which are, in cross section, annular segments concentric with the bowl, are provided.
Patent GB-552329-A (GB)
Title: Improvements in and relating to obstacles for preventing the forward progress of land vehicles
IPC: F41H11/08
Filed: 1941-12-08
Abstract: 552,329. Military obstacles. WELCH, J. A. Dec. 8, 1941, No. 15816. [Class 20 (i)J An obstacle for tanks and like army vehicles comprises a plurality of co-planar rollers 1 arranged in a row and journalled in side frames 3 on bases 4, the frames being provided with alternate recesses and projections so that the ends of the rollers are staggered. The roller spindles 2 are received into bearings 5 on plates 6 which are straddled on the edges of the frame members 3. The rollers may be connected end to end by hinged bearing members 9 supported on plates 10 straddling an intermediate frame member 8; the frame members being spaced apart by spacers 17 the ends of which engage key hole slots 18 in the frame members. The rollers are connected to spiders 12 which take bearing on the bearing members 9. The rollers may not rest on the ground in which case they are simply rotated by the tank tracks, but if they rest on the ground then they and the tank thereon are moved backwardly. Hinged ramps are provided on the front and rear of each set of rollers to guide the vehicle on to the rollers.
Patent GB-344727-A (GB)
Title: Improvements in and relating to steam generators
IPC: F22B1/14
Filed: 1930-05-23
Abstract: 344,727. Direct contact steam generators. AKT.-GES. BROWN, BOVERI, ET CIE, Baden, Switzerland. May 23, 1930, No. 15879. Convention date, May 31, 1929. [Class 123 (ii).] Steam boilers of the kind in which water is injected into a small quantity of superheated steam, the mixture superheated and more water injected into it and so on until the desired quantity of steam is developed, are provided with non-return valves allowing wet steam to be drawn from a steam and water container to meet high demand and returning superheated steam to the water space of the container during periods of low demand. A boiler having a steam and water container 1 and evaporators 4, 7, .. has a pump 2 which delivers the " exciter " steam to an initial superheater 3 and a pump 10 supplying water injected into the evaporators. On a fall in pressure at the outlet 12 a non-return valve 13 allows steam to pass from the container 1 through a final superheater 9 to the outlet. A non-return valve 14 opens on a rise in pressure to return excess steam to the water space of the container. A stop valve 15 is closed during starting up until the service pressure is reached. Feedwater is normally supplied through a preheater 16 in dependence on the water level and the provision of extra feed to condense excess steam may be controlled in accordance with the pressure in the container.
Patent GB-578347-A (GB)
Title: Improvements in electric tumbler switches particularly for alternating current circuits
IPC: H01H23/16
Filed: 1944-08-19
Abstract: 578,347. Tumbler switches. CRABTREE & CO., Ltd., J. A., and MORGAN, R. W. Aug. 19, 1944, No. 15889. [Class 38 (v)] In a tumbler switch suitable for A.C. circuits, and embodying features of that described in Specification 565,960, the dolly 4 is riveted to a U-shaped member 6, which is pivoted at 5a and actuates an insulating block 10 through a lost-motion device comprising a pin 7 and a slot 8 in the member 6. A spring 12<1> in a recess in the block 10 is held in compression by the pin 7. The moving plate-contact 11 has two depressions 11a acting as fulcra, and is actuated by the block 10 through a sheet-metal pressing 12, having upturned ends which enable the block 10 to increase the contact pressure in the " on " position, Fig. 1. When the dolly 4 is moved to the left, the contact 11 is rocked about the left-hand fulcrum 11a, bearing on a contact 14, so that it rests on both fulcra and a small gap separates contacts 11, 15. After the spring 12 has passed its dead-centre, the contact 11 is tilted about the right-hand fulcrum 11a, and the gap between the contacts 11, 15 is enlarged. In a double-pole switch, a moving contact is provided on both sides of a longitudinal rib on the block 10. In a ceiling switch, a pivoted link with a pin extending through elongated slots in the body of the dolly may be actuated by a plunger connected with the operating cord.
Patent GB-1338739-A (GB)
Title: Liquid crystal display cell
IPC: G02F1/1339
Filed: 1972-04-06
Abstract: 1338739 Modulating light SUWA SEIKOSHA KK 6 April 1972 [9 April 1971] 15925/72 Heading H4F Two electrode structures, between which is disposed a layer of liquid crystal material of the type which scatters light when an electric field is applied, are maintained in spaced relation by a peripheral film of adhesive which is bonded to each electrode structure by heating. As described, each electrode structure is a transparent or reflective conductive film on a glass plate and the adhesive is bonded to the film and the plate. The cell so formed may be used in a watch or electronic calculator display.
Patent GB-1091396-A (GB)
Title: Unitized dual lip seal
IPC: F16C19/34
Filed: 1966-04-12
Abstract: 1,091,396. Shaft seals. TIMKEN ROLLER BEARING CO. April 12, 1966 [Sept. 3, 1965], No. 16085/66. Heading F2B. A dual lip seal for a rotary axle 23 comprises a casing 2 having an inwardly directed radial flange 6, a resilient seal member 7 bonded to the flange 6 and located between radial flanges 16 and 18 on a wear ring 15 and a thrust ring 17 respectively, the seal member 7 having on each side of the flange 6 a sealing lip 9, 10 and a bumper 13, 14 that extends axialy beyond and protects the corresponding sealing lip, the wear ring 15 being engaged by the lips 9, 10 and the flange 18 terminating in a rolled lip 19 extending around the bumper 14. The lip 9 is urged inwardly by a garter spring 20 and acts as a fluid seal and the lip 10 acts as a dust seal. The thrust ring 17 is nested in the wear ring 15 and fitted on a spacer 22 fixed to the axle 23.
Patent GB-640242-A (GB)
Title: Improvements in or relating to powder-dispensers
IPC: B65D47/24
Filed: 1946-05-27
Abstract: 640,242. Powder distributers and compacts. WARREN, W. M. May 27, 1946, Nos. 16088 and 36639. [Class 18] A powder distributer having an outlet 5 closed by the tapered head 6 of an inwardly displaceable spring pressed plunger has a dome-shaped wall 4 diverging away from the outlet to provide clearance around the plunger head which has an inwardly directed tail portion 7 to prevent excessive tilting a centering portion of reduced taper that extends outside the container. The powder container may be of cylindrical form with superimposed detachable casings 18, 20 embodying a scoop 26 and lipstick holder 22 respectively as shown in Fig. 2, the holder 22 having a slidable ring 28 with a cross pin 30 for projecting the lipstick. Alternatively, the container may be of lobate form, Fig. 6, with a tubular portion 42 at the wider end for one or two lipstick carriers, a centrally disposed well 50 for a powder puff and a cylindrical por-. tion 36 in which a domed dispensing unit 38 is detachably mounted for refilling purposes. In a further modification, Fig. 10, a flat substantially rectangular container is flanked by tubular casings 62, 64 for a powder scoop 68 and lipstick carrier 72 respectively and has an outwardly curved lower wall 86 through which the plunger head 6 projects. A filling opening 82 is closed by a slidable plate 84. The well 50, Fig. 6, and a powder puff compartment 92, Fig. 10, are each closed by a spring hinged flap carrying a mirror. The plunger is maintained in closing position by a conical helical spring 9 confined between a circular indentation 10, Figs. 2 and 6, or a strip 88, Fig. 10, and a shoulder 8.
Patent GB-1284270-A (GB)
Title: Improvements relating to the packaging and storing of goods
Inventor: HICKEY CHRISTOPHER DANIEL DOWL
IPC: B65D19/44
Filed: 1969-03-27
Abstract: 1284270 Storing and transporting goods/ flexible containers AIRFLEX CONTAINERS Ltd 3 April 1970 [27 March 1969] 16108/69 Headings B8C and B8D Goods are enclosed in a flexible or partly flexible envelope which is evacuated to embrace the goods for transportation and is inflated to protect the goods during storage. The envelope may be a container, a vehicle body, or a post pallet, Fig. 1. The post pallet has a rigid base 10 to which a flexible cover 11 is secured. The cover has a pressure-tight sliding clasp fastener 16 which may be released to provide access to the base 10, and has a valved outlet (not shown) which may be connected to a source of vacuum or to a compressor. The cover 11 may be transparent or have transparent win. dows (not shown) and a dessicating substance may be enclosed in the envelope. The posts 14 of the pallet have feet 15 which facilitate stacking, and may be detachable or folding. The envelope may be inflated with nitrogen or carbon dioxide, and have a pressure relief valve.
Patent GB-968474-A (GB)
Title: Thiachromonoacridone pigment manufacturing process
Inventor: WILKINSON DONALD GRAHAM
IPC: C09B57/00
Filed: 1962-04-30
Abstract: Mixtures of 2-arylamino-5-arylmercaptoterephthalic acids with 2:5-bis(arylmercapto) terephthalic acids and/or 2:5-bis(arylamino) terephthalic acids are made by condensing a dialkyl 2:5-dihalogeno-terephthalate with an aryl mercaptan and a compound of the formula: ArNH.COR where Ar is an aryl radical and R is hydrogen or an alkoxy group of not more than 4 carbon atoms, and hydrolyzing the product.  Pure 2-arylamino-5-arylmercaptoterephthalic acids may be isolated from the mixtures by fractional precipitation from alkaline solution. In examples, mixtures of the above type are made wherein the aryl groups are phenyl, o- and p-chlorophenyl, p-chloro-o-tolyl and p-anisyl. Specifications 851,571, 911,206 and 968,473 are referred to.ALSO:Pigments comprising mixtures of thiachromonoacridones with benzobisthiachromones and/or linear quinacridones are made by condensing a dialkyl 2 : 5-dihalogenoterephthalate simultaneously or in either order with an aryl mercaptan and a compound of the formula ArNH.COR, where Ar is an aryl radical and R is hydrogen or an alkoxy radical of not more than 4 carbon atoms, hydrolysing the product and cyclizing the resultant dicarboxylic acids, for example by treatment with sulphuric acid, phosphoric acid, polyphosphoric acid, chlorosulphonic acid or by conversion to the acid chloride and treatment with aluminium chloride. Pure thiachromonoacridones may be separated from the mixtures by fractional precipitation from sulphuric acid, or may be prepared by cyclization of a pure 2-arylamino-5-arylmercapto-terephthalic acid isolated by fractional precipitation from alkaline solution of the acid mixture obtained from the condensation step above. After conditioning the pigments are obtained in yellow, orange and red shades. Specifications 851,571, 911,206 and 968,473 are referred to.
Patent GB-948382-A (GB)
Title: Improvements in or relating to bearings
Inventor: PROSVIC JAN
IPC: F04D29/04
Filed: 1961-05-05
Abstract: 948,382. Bearings. APSLEY METAL PRODUCTS Ltd. April 24, 1962 [May 5, 1961], No. 16360/61. Heading F2A. A bearing for a rotatable spindle 21 comprises a bearing member, e.g. a bush 12, mounted in inherently-resilient support 1 having an external rib or groove 5 to engage a groove in an edge of a carrier element 6, in which the edge delimits a hole, or to engage the said edge, respectively, the support 1 having a rim portion 2 and a hub portion 3 interconnected by a diaphragm-like web portion 4, the rim portion 2 having the rib or groove, the hub portion 3 having a hole 11 for mounting the bearing bush 12. The rim portion 2 may be annular, the hub portion 3 being then generally cylindrical. The web portion 4 may be generally conical. The bearing may be an end bearing. The support 1 may be of rubber, polyvinyl, chloride or similar material. The bush 12 may be vulcanised into the support and may have a rib 15 or groove engaging a groove 14 or rib, respectively, in the hole 11. The bearing member may be a ball or roller-bearing unit.
Patent GB-121278-A (GB)
Title: Improvements in and relating to Incandescent Cathode Devices, such as X-ray Tubes.
Inventor: WILLIAM DAVID COOLIDGE
IPC: H01J9/38
Filed: 1918-10-08
Abstract: 121,278. Coolidge, W. D. Dec. 4, 1917, [Convention date]. Void [Published under Sect. 91 of the Act]. Drawings to Specification. High vacua in lamp bu'lbs, obtaining.-In exhausting an X-ray tube, the tube is filled with hydrogen, say at atmospheric pressure, heated to 350‹ C. for about 15 minutes, exhausted by a molecular or condensation mercury pump, and heated by electric current to free the electrodes from gas while exhaustion is completed. A liquidair trap connects the envelope to the final pump. Before the above operations, the envelope may be exhausted, filled with hydrogen without heating, and again exhausted.
Patent GB-815529-A (GB)
Title: Electron tube apparatus
IPC: H01J25/24
Filed: 1956-09-18
Abstract: 815,529. Discharge apparatus. VARIAN ASSOCIATES. Sept. 18, 1956 [Oct. 21, 1955], No. 16396/58. Divided out of 815,527. Class 39(1). An electron tube apparatus having a cavity resonator such as the external resonator 13 of the apparatus described and claimed in Specification 815,527 is provided with a lossy member 25 projecting inwardly into the resonator, the lengths of the member(s) 25 being such as to resonate at substantially the frequency of the unwanted oscillation modes. The members 25 may be of non- magnetic stainless steel, graphite or iron and are so positioned that each has its longitudinal axis parallel to a substantial component of electric field of the unwanted mode. As shown the external resonator 13 is coupled to the internal resonator by a wave-energy permeable window 19 forming a vacuum tight seal and covering an iris opening 18, the coupling being controlled by a window-loading member 21. Specifications 815,526 and 815,528 also are referred to.
Patent GB-900938-A (GB)
Title: Improvements in or relating to tractor hitches
Inventor: CROWE EDGAR
IPC: B60D1/46
Filed: 1961-05-05
Abstract: 900,938. Tractor power lift mechanisms. FORD MOTOR CO. Ltd. May 5, 1961, No. 16441/61. Addition to 836,650. Class 79(1). In a trailer hitch for a tractor having lift arms operated by the hydraulic lift system as disclosed in the parent Specification and which comprises a towing hook, means pivotally connected to the tractor to raise and lower the towing ,hook, slotted links connecting such lift means with the lift arms and manually releasable latch means by which the lift means is locked in a raised position, the slotted links permitting use of the lift arms while the towing hook is raised, the latch means is applied directly to a part of the towing hook assembly. The hook 9 may be raised to an operative position whereby a tongue 27 on a casting 13 prevents the implement drawbar from jumping out and in which position a spring loaded latch member 11 (Fig. 2) engages within a slot provided in a tongue 23 of the hook. A shoulder 29 prevents accidental withdrawal of the latch, it being necessary to raise the hook slightly by the lift means to effect withdrawal. The latch m a y be withdrawn, against the pressure of spring 15, by a linkage 19, 21 operated by pedal 17. Alternatively, the latch may engage the towing bar 10 or hook at any other position.
Patent GB-1202007-A (GB)
Title: Production of phenylalanine by fermentation
IPC: C12P13/22
Filed: 1969-03-28
Abstract: 1,202,007. Phenylalanine by fermentation. KYOWA HAKKO KOGYO K.K. 28 March, 1969 [29 March, 1968], No. 16490/69. Heading C2C. Phenylalanine is produced by cultivating a hydrocarbon - assimilable, tyrosine - requiring micro-organism in a nutrient medium containing tyrosine, a nitrogen source and a hydrocarbon as the major carbon source and recovering the phenylalanine thus obtained, e.g. by adsorption on an ion-exchange resin. The preferred micro-organism is a U.V. irradiation-derived mutant strain of Corynebacterium hydrocarboclastus, and the fermentation is preferably carried out aerobically in substantially neutral medium at 25-50 C. for from 2-4 days. The hydrocarbon source may be kerosene, gasoline, a C 10 -C 25  aliphatic hydrocarbon or a mixture of these, and preferred nitrogen sources are ammonium salts and "NZ-amine", which can also serve as the tyrosine source.
Patent GB-980951-A (GB)
Title: Cutting device
Inventor: MURRAY ALASTAIR FYFFE
IPC: B26D1/30
Filed: 1960-05-10
Abstract: 980,951. Cutting apparatus. THOMAS C. KEAY Ltd. June 1, 1961 [May 10, 1960], No. 16540/60. Heading B4B. A cutting device for use in conjunction with a sewing-machine for fastening tape to objects such as paper bags, comprises a disc 1 presenting outwardly-projecting arms 2 each with two parallel cutting edges 4 at the junction of the leading and side faces, two floating ledger blades 5 urged by spring means 6 towards the disc, and means for imparting intermittent uni-directional rotation to the disc for turning the disc so that the arms act in succession to cut the tape. The disc 1 is mounted on a shaft 8 and operated through each cutting operation by a one-way clutch 7 which is actuated by a rod 9 through electrical, pneumatic or hydraulic means actuated by a feeler arranged to be contacted by the workpiece when the latter is in the cutting position. The clutch may be of friction type or incorporate a pawl-and-ratchet device. Preferably, the disc is connected to a ratchet wheel 15 co-operating with a detent 14 to prevent reverse rotation of the disc, and there may also be provided a similar ratchet device for limiting the angle of rotation of the disc. Alternatively, the successive angular positions of the disc may be set by a series of depressions engageable by a spring-loaded ball.