baber/WOPTO huggingface dataset:
Patent GB-1453664-A (GB)
Title: Classification of a subject
IPC: G06V30/194
Filed: 1974-05-01
Abstract: 1453664 Trainable pattern recognition systems WESTINGHOUSE ELECTRIC CORP 1 May 1974 [14 May 1973] 19071/74 Heading G4R The system employs a learning matrix in which the adaptive elements are minstors. A minstor is a field-effect transistor operating on the basis of trapping of charges in an insulator between its gate and substrate. A polarizing voltage can be locked on to the gate by applying a certain voltage for a certain time. The manner of operation of the minstor depends upon the polarizing voltage. One arrangement, Fig. 7, uses a single minstor at each matrix point. To erase the matrix (switch positions 1) the gate of each minstor is made negative relative to the source and drain, e.g. - 50 v., for a period determined by timer T. Subsequently positive polarizing training voltages are applied to a selected row of the matrix. Each polarizing voltage is applied to the gate of the relevant minstor via an encoder E which generates the voltage for a time proportional to the magnitude of that feature, within a pattern of training features, that is to be stored in that minstor. The row on which the pattern is to be impressed is selected by setting the switches S 1 , S 2  common to that row, and switches S 4 , to position 2. Further training patterns are applied. Each pattern may be stored in a different row or, alternatively, a pattern is stored in a new row only if it differs from previously stored patterns. In the recognition mode, an unknown pattern of features, represented by voltages at EI is applied between the drain and source of respective minstors of each row, all switches being in position 3. The current flowing in the minstors of a row are summed in the respective resistor R and are stored at M. The switches are not set to position 4 to apply a saturating voltage between each drain and source, the gates remaining grounded. The sum of the currents in the minstors of each row appear in resistor R<SP>1</SP>. The square root of the current is derived at SR and units DI divide the current magnitudes stored in M by the square root to derive cos #, where # is the angle between the unknown pattern vector and the training pattern vector of the relevant row. Unit ME determines the row providing the maximum value of cos # to indicate the training pattern most closely matching the unknown. In another arrangement (Fig. 9, not shown) each matrix point comprises a pair of minstors. It operates in a generally similar manner but in the recognition mode the unknown pattern is applied to the gates at the same time as the saturation voltage is applied between the sources and drains. The sum of the currents in a row is the sum of the squares of the differences between the components of the vectors. The minimum current is determined (Fig. 10, not shown), and indicates the row containing closest matching training pattern.
Patent GB-380186-A (GB)
Title: Improvements in pocket devices for the treatment of insect stings and the like
IPC: A61B17/22
Filed: 1931-07-02
Abstract: 380,186. Pocket devices for treating insect bites. HART, E. W., 1, Baker Street, Nottingham. July 2, 1931, No. 19122. [Class 81 (ii).] A pocket device for treating insect stings consists of an outer tube 2 fitted with a detachable nozzle 1 containing medicated cotton wool or the like 4. A second tube 5 fitted with a rubber or leather piston 6 slides in the tube 2 against the action of a spring 8 and is fitted at its free end with a pencil of solid medicament 7 normally covered by a cap 12. The nozzle 1 is formed with an aperture 10 closed by a rubber band 11 or other valve member. Medicament from the member 1 may be ejected on the compression stroke of the piston, or the orifice 3 of the nozzle may be pressed over a sting so that on compressing the piston air escapes through the aperture 10, whilst on the return stroke suction is applied to the sting.
Patent GB-1489372-A (GB)
Title: Quilting casings
IPC: A47G9/02
Filed: 1975-04-28
Abstract: 1489372 Quilting P A ALKIN 28 April 1975 [1 May 1974] 19182/74 Heading A4S A quilting casing comprises two opposed spaced wide pieces of material 1 joined by at least two partition walls, each wall comprising two narrow bands of material 2 joined together along opposed longitudinal edge portions at S and joined at their other longitudinal edge portions to the wide pieces of material at 3. The bands 2 are attached at 3 to initially folded-over portions (1'). The bands 2 are attached at 3, 5 by stitching or adhesive. The casing is stuffed with a heat insulating material such as down or a down-feather mix. The casing material comprises e.g. a down-proof cambric. The finished quilt can form duvets, eiderdowns, sleeping bags or warm clothing articles.
Patent GB-150263-A (GB)
Title: Improvements in and relating to glass blowing apparatus
IPC: C03B23/07
Filed: 1916-12-05
Abstract: 150,263. British Thomson - Houston Co., (General Electric Co.). Dec. 5, 1916. Forming electric-lamp bulbs and the like.-Relates to a modification of the apparatus described in Specification 109,544 for blowing a series of bulbs for electric lamps &c. on a glass tube as it is rotated. A half-mould 31, mounted on an arm 30 pivoted at 4, is swung into contact with the tube 35, in the known manner, as it is being rotated and blown. According to the invention, the mould 31 is operated through links &c. 5, 6, 10 by a piston 13 which is moved by compressed air admitted through a hand-controlled valve 25.
Patent GB-1041076-A (GB)
Title: Improvements in or relating to merry-go-rounds
IPC: A63G1/16
Filed: 1963-05-15
Abstract: 1,041,076. Roundabouts. D. R. HARRISON. May 14, 1964 [May 15, 1963], No.19221/63. Heading A6M. A child's roundabout or merry-go-round is manually driven by rotated by means of a child or children sitting in seats 14 by the said child or children grasping and pulling on a stationary ring 17.
Patent GB-721878-A (GB)
Title: A new or improved process for the separation of the fibres from the bark, wood and other tissues of fibrous plants
IPC: D01C1/00
Filed: 1951-08-16
Abstract: 721,878. Obtaining fibres from plants. TURNBULL, R. H. Aug. 15, 1952 [Aug. 16, 1951], No. 19389/51. Class 120 (1). Fibres are extracted from the stems of jute, kenaf, ramie, flax, sisal, abaca, hemp and other plants by first crushing the stems and then treating them at a temperature between 30‹ and 60‹C. with a liquor containing sufficient of a cytase or cytases to effect in less than four days decomposition of the pectinaceous compounds to free the fibres. The crushing is preferably effected by plain or fluted rollers and the stems may be further crushed after the liquid treatment. In an example, jute stems were crushed immediately after harvesting in order to expose the fibres. Small amounts of water were added during and immediately prior to crushing. After crushing, the stems were sprayed with juices expressed during crushing, although infusions from the same or similar plants may have been used. Liquid temperatures between 30‹ and 60‹C. were employed. After further rolling, the stems were stacked at 30‹ to 60‹C. for one or more days until the fibre binding material was loosened, then they were dried, rolled again and the fibres cleaned by brushing. Jute root cuttings after crushing were washed for 5 hours or more at 30‹ to 60‹C., then steeped in the wash liquid for 24 to 48 hours at 40‹ to 50‹ C., washed, partially dried, crushed and more completely dried. Suitable cytases are pectases, pectinase and protopectinase ; other cytases may be obtained from diastase, certain fruits and vegetables, for example, tomatoes and potatoes, various fungi and bacteria, such as Granulobacter pectinovorum. Certain moulds may be used as accelerators, such as Aspergillus oryzae, Penicillium glaucum, Penicillium italicum, Pythium ultimum and the Mucors and some bacteria, such as Bacillus asterosporous, macerans, flesineus polymyxa and Granulobacter pectinovorum. Nutrient materials, such as ammonium salts, for example, diammonium hydrogen phosphate, and carbohydrates, for example, invert sugar, may also be added. The pH values of the liquors should preferably be between 6 and 7. It is stated that useful by-products are pectin, pectic acid and its compounds and cellulose pulp, useful in the manufacture of paper, paper board, fibre board. and alcohol.
Patent GB-1441912-A (GB)
Title: Blast furnaces
IPC: C21B5/00
Filed: 1972-04-26
Abstract: 1441912 Burners BRITISH STEEL CORP 26 July 1973 [26 April 1972] 19451/72 Headings F4T and F4B An atomizer for oil to be injected into a blast furance comprises an oil delivery conduit 1 extending into and coaxial with a chamber 3 so that an annular space is formed therebetween, together with a steam inlet 2 in a side wall of the chamber. The chamber has a tapering outlet end 8 within which the oil delivery conduit terminates. As a result steam issuing from the space is accelerated to atomize the oil discharging from the conduit which is discharged through an outlet orifice 10 formed by an extension of the tapering outlet end. The chamber and outlet orifice are formed within a housing 6 having two mating screw engaging portions 6, 7.
Patent GB-1359507-A (GB)
Title: Manufacture of insulated electric cables
IPC: B29C48/05
Filed: 1971-06-08
Abstract: 1359507 Coating cables by extrusion BRITISH INSULATED CALLENDERS CABLES Ltd 7 June 1972 [8 June 1971] 19463/71 Addition to 1201528 Heading B5 [Also in Division H1] In the parent application, an extruded covering layer from an annular die outlet is caused to collapse on to an electrical conductor Fig. 1, e.g. of sector shape, without displacement upstream a core tube 12 of the crosshead die 11 through which the conductor C passes, by maintaining a predetermined pressure differential between the interior of a treatment chamber 14 and the interior of the core tube 12, and the modification of the present application comprises a further upstream extruder die from which at least one covering layer is applied to the conductor, prior to passage through the core tube 12 which is sealingly connected to a chamber 4 hermetically sealed to the outlet of the further die 1. The chamber 4 may comprise telescopically adjustable parts and, in the Fig. 1 embodiment, the die 1 applies an inner semiconductive cross-linkable polyethylene layer 7, and the die 11 simultaneously applies layers 17, 18 respectively of insulating and semi-conducting cross-linkable polyethylene, the layers being cured by steam at super-atmospheric pressure during passage through the chamber 14, and a predetermined pressure differential is maintained between nitrogen in the interior of core tube 12 and chamber 14, between the nitrogen in the core tube 12 and in the core tube 2 of further die head 1. Alternatively, the upstream die head may extrude two layers and the downstream head a single layer. In the Fig. 2 embodiment (not shown) the layers are each sequentially applied by one of three extrusion heads, with the pressure differential being similarly applied between the two chambers and core tubes of each of the two downstream heads, but not between the core tube of the upstream head and the chamber hermetically sealed to its outlet and to the core tube of the head downstream thereof.
Patent GB-844982-A (GB)
Title: Improvements in electrical condensers and method of making the same
Inventor: COOK RONALD JOHN
IPC: H01G4/228
Filed: 1958-06-19
Abstract: 844,982. Capacitors. FULHAM ELECTRICAL COMPONENTS Ltd. April 15, 1959 [June 19, 1958], No. 19648/58. Class 37. The lead-in wires 2 which protrude radially from the periphery of the cylindrical body 1 of a capacitor are directed outwardly close to and parallel to the body and bent at 3 to lie over the respective ends of the body, and outwardly at 5 so that the terminal parts of the wires lie approximately on the axis of the body. The wires may be bent by rolling the capacitor between forming members 7, 8, which each have a groove 6 with an inclined base with a depth at one end equal to the diameter of the body and at the other end equal to the radius of the body.
Patent GB-849419-A (GB)
Title: Improvements in or relating to stowages for inflatable liferafts and the like
IPC: B63C9/22
Filed: 1958-06-20
Abstract: 849,419. Stowage for inflatable craft. FRANKENSTEIN & SONS (MANCHESTER) Ltd., F., and SMITH, R. S. June 15, 1959 [June 20, 1958], No. 19760/58. Class 115. In a rigid life raft or like stowage comprising two identical or similar members 12 moulded in a hard non-metallic material (such as resinated glass fibre) and secured edge-to-edge (at 22) by means of encircling metal bands 25 to form a cylindrical enclosure, each band has two gaps (one shown in Fig. 5 and the other in Fig. 6) respectively spanned by a tensioning bolt or screw 30 and a double-headed connector 36 of a relatively rupturable nature. The connector (which has a weak section 39) is of dumb-bell shape, the associated ends of the band 25 being each wrapped around a pin 27 which is slotted to admit the waist of the connector and has a part-spherical socket to receive the adjacent head 37 of the latter. Fabric straps 17, 18 anchored to the interior of one of the members 12 are securable together by a weak thread 19 passed through eyelets 20 at their free ends to locate the stowed craft. Further security against undesirable movement of the stowed craft is obtained by lining the stowage with a soft cushioning material 16 such as expanded polystyrene.
Patent GB-532940-A (GB)
Title: Improvements relating to slicing machines
IPC: B26D1/153
Filed: 1939-07-07
Abstract: 532,940. Slicing-machines. BERKEL & PARNALL'S SLICING MACHINE MANUFACTURING CO., Ltd., (Maatschappij van Berkel's Patent N. V. and Berkel C. F. M. Van). July 7, 1939, No. 19791] [Class 28 (ii)] A slicing-machine comprises a substance carrier which is inclined for gravity feed of the substance, a slicing-knife also inclined, and a knife-driving motor located in the space behind and below the inclined carrier. In one form, comprising an inclined substance carrier 7 with its support 8 reciprocable along guides 9A, 9B, an inclined disc-knife 10 journalled in a fixed bracket 11, and an adjustable slice-thickness gauge plate 12, the knife 10 is rotated by an electric motor 13 arranged horizontally on the machine base 6 at a point behind and below the carrier 7. The drive to the knife consists of worm gearing 32, an inclined counter-shaft 33, and chain gearing 34 extending through the bracket 11. A slice receiver 15 is pivoted at 23 to a sleeve 24 on the reciprocating support 8, so as to be reciprocated with the substance carrier 7, and is movable angularly step by step to make room for successive slices by means of pawl-and-ratchet mechanism 30 operated at the end of each return stroke of the support 8 and applied to a screw 27 operating a nut 26 connected by a link 25 to the receiver 15. In another form, the electric motor is supported by a bracket in an inclined position substantially parallel to the substance carrier 7 and knife axis, the carrier being supported by guides located in close proximity to the slicing plane so as to leave the necessary space for the motor. The motor shaft extends downwardly, and the drive is transmitted therefrom to the knife by chain gearing.
Patent GB-744503-A (GB)
Title: Maximum demand totalizing counter mechanism for an electricity meter
IPC: G01R11/60
Filed: 1953-07-16
Abstract: 744,503. Control of motors. LANDIS & GYR AKT.-GES. July 16, 1953 [July 26, 1952], No. 19802/53. Class 38(3) [Also in Group XIX] In a maximum demand electricity meter having, as in Specification 737,523 [Group XIX], provision for periodically resetting the maximum demand indicator 11 and transferring the settings cumulatively to a counter 23, the resetting mechanism is driven by an electric motor 34 controlled by a change-over start relay, responsive to impulses transmitted at intervals over the supply network, and by a rotatable stop switch driven by the motor. Resetting is effected by rotation of a resetting disc 50 (see Specification 737,523 [Group XIX] ) through one revolution. Gear trains 36-39 and 36-45 connect the motor 34 to the resetting disc and the wiper 43. of the stop switch so that the wiper rotates at half the speed of the resetting disc. The wiper coacts with segmental contacts 40, 41 connected to contacts of the change-over relay 49. Each time the relay operates, a circuit for the motor is closed until the resetting disc has completed a revolution, whereupon the wiper runs off one segmental contact to the other, so that the circuit is broken and another prepared to become effective when the relay next operates.
Patent GB-665816-A (GB)
Title: Process and arrangement for the transmission of calls
IPC: H04M1/26
Filed: 1946-07-03
Abstract: 665,816. Substation equipment. COMPAGNIE GENERALE D'ELECTRICITE. July 3, 1946 [July 5, 1945], No. 19886/46. Class 40 (iv). [Also in Group XL (b)] A subscriber's number sender transmits numbers in a four-unit telegraph code. Depression of a key 1 operates a rack-and-pinion device 9, 36 to wind up a spring 32 housed in drum 33. During the latter part of the motion of the key depression of bar 3 causes a member 35 to rotate about a pivot 4 so that a bar 7 moves to lock the depressed key and prevent depression of any other key. Movement of bar 3 also withdraws locking members 24, 28 from the four slotted code bars 8 so that those not restrained by the depressed key are moved by springs such as 25 to close corresponding sets of contacts 38. Contact 39 is operated on each depression of a key to change over the line connection from the telephone set to the impulse transmitter. Member 35 acts on the extension 34 of a member having a catch 17 which releases the drum 33 to turn the shaft 37 under control of an escapement mechanism operated by vibrating reed 13. The shaft 37 rotates the wiper 10 over segments 11, the second of which is disconnected, the next five being respectively connected to line over contact sets such as 38 and the last contact directly to line. When the drum 33 has made a full revolution its projection 31 engages a catch 15 to restore the parts 34, 35, the equipment then reverting to normal under control of springs 23, 26.
Patent GB-1185312-A (GB)
Title: Improvements in or relating to Pumps.
Inventor: SAUNDERS DAVID JOHN
IPC: F04D29/14
Filed: 1966-05-05
Abstract: 1,185,312. Shaft seals. SPEEDWELL RESEARCH Ltd. 24 April, 1967 [5 May, 1966], No. 19910/66. Heading F2B. The shaft 70 of a centrifugal pump is sealed, when the pump is running, by a liquid pressure annulus formed in the outer part of a chamber 84 by a subsidiary impeller 76 rotatable with the shaft and, when the pump is stationary, by an annular diaphragm 86 secured to the shaft or pump casing and arranged to co-operate with a seating 71 on the casing or shaft, the diaphragm being unstressed and clear of the seating when the pump is running but being forced, when the pump is stationary and full of liquid, into contact with the seating by the static pressure of the liquid in the pump and being then supported by an abutment 97 provided on the casing. A seal housing 80 formed between casing walls 55, 60 is divided by an annular separator 81 into first and second chambers 84 and 85 housing the impeller 76 and the diaphragm 86 respectively, the diaphragm and separator being clamped at their outer peripheral portions between the walls. The impeller 76 has blades 95 and 96 and is driven from the pump impeller 58 by dogs 79. When the pump is empty, the diaphragm 86 is in its free position shown in Fig. 3. If the pump is stationary and filled with liquid, the liquid passes from the pump chamber through aperture 89, chamber 84 and clearance 90 and deflects the diaphragm 86 so that its inner periphery bears in sealing contact against the seating 71 and it is supported by the wall 97 of chamber 85. If the pump is run, when full, the impeller 76 pumps liquid out of the chamber so that the diaphragm 86 returns to its free position, as in Fig. 3, and the shaft is sealed by the annulus of liquid formed in the chamber 84. A leakage deflector groove 92 is provided in the separator 81. The shaft housing 61, Fig. 1, has a leakage drain 118a and a diaphragm 119 which has a small clearance with the shaft and acts to prevent excessive leakage in the event of seal failure. The seal may be flushed by supplying liquid through a conduit 118. In a modification, Fig. 4 (not shown), the diaphragm (86a) rotates with the shaft (70a) and co-operates with a seating (101) on the casing. The diaphragms 86, 86a may be of P.T.F.E.
Patent GB-390801-A (GB)
Title: Improvements in or relating to methods of producing a fine cacao powder of dark colour
IPC: A23G1/00
Filed: 1931-07-10
Abstract: Cocoa powder of an attractive dark colour is produced by heating and cooling the stock, the heating being carried out prior to grinding and the cooling during grinding, or the heating being carried out during grinding and the cooling after grinding.
Patent GB-876747-A (GB)
Title: Improvements in or relating to the production of alkyl pyridines
Filed: 1958-06-23
Abstract: 3.5-Dialkylpyridines are produced by passing a vapour mixture of a saturated aliphatic alcohol having at least 3 carbon atoms, formaldehyde and ammonia over a silicaalumina catalyst.  The reaction is preferably carried out at 250-500 DEG C. and atmospheric pressure. Inert diluents such as steam or nitrogen may be present.  Preferably the catalyst is a petroleum cracking catalyst having a surface area of 50-450 sq.metres/gram and the molar ratio of alcohol to formaldehyde is in the range from 2:1 to 1:10.  In the examples propanol is converted to 3.5-dimethylpyridine and n-butanol to 3.5-diethyl pyridine.
Patent GB-1383215-A (GB)
Title: Polyurethane spray composition
IPC: C08G18/38
Filed: 1972-05-01
Abstract: 1383215 Polyurethane foams MARLESKUHLMANN-WYANDOTTE SA 1 May 1972 [30 April 1971] 20109/72 Heading C3R Polyurethane foams are prepared from compositions comprising, based on the total weight of ingredients, (c) 20 to 40 p.b.w. of an estercontaining polyol obtained by reacting an alkylene oxide condensate of a polyhydric alcohol having 2 to 6 OH groups with tetrabromophthalic anhydride and an alkylene oxide, (b) 2 to 15 p.b.w. of a polyoxyalkylene condensate of sucrose or α-methyl-glucoside, the condensate having a hydroxyl number of 400 to 600, (c) 40 to 60 p.b.w. of a polyaryl polyalkylene polyisocyanate having a functionality of 2À2 to 3À5 or an isocyanate terminated prepolymer thereof with (a) or (b) above, (d) 1 to 15 p.b.w. of a phosphorus-containing organic compound, (e) 0À2 to 2À0 p.b.w. of a catalyst, (f) 0À15 to 3À0 p.b.w. of a wetting agent, (g) 5 to 30 p.b.w. of a blowing agent other than water and (h) 0 to 1À5 p.b.w. of water. For the preparation of the ester-containing polyol (a) several alkylene oxides and alkylene oxide/polyol condensates are listed. Specifically exemplified are reactor products of tetrabromophthalic anhydride with (I) the condensation product of propylene oxide and pentaerythritol and propylene oxide, and (IV) the condensation product of propylene oxide and α-methylglucoside and propylene oxide. The polyisocyanate (C) is preferably a polyphenyl polymethylene polyisocyanate. The phosphorus compound (d) may be one such as 0,0-diethyl- N,N-bis-(2-hydroxyethyl)aminomethyl phosphonate, tris-(#-chloroethyl)phosphate and tricresylphosphate. Preferred catalysts are tertiary amines and organotin compounds. The wetting agent is suitably one which is non- ionic, an exemplified one being an organosilicone. The blowing agent is preferably trichlorofluoromethane. The polyurethane foam-forming compositions have a long shelf-life and are sprayable.