baber/WOPTO huggingface dataset:
Patent GB-1208126-A (GB)
Title: Machines for electronic classification of images
Inventor: LASALLE MICHEL MARIE JOSEPH
IPC: G06V30/194
Filed: 1967-11-24
Abstract: 1,208,126. Pattern recognition. SOC. ALSACIENNE DE CONSTRUCTIONS ATOMIQUES DE TELECOMMUNICATIONS ET D'ELECTRONIQUE. 24 Nov., 1967 [30 Nov., 1966], No. 53540/67. Heading G4R. An image is classified using the products of components of a vector representing the image with corresponding components of a reference vector obtained and stored during a previous learning mode. The array of photo-cells is divided into groups of photocells each group having say six photo-cells. A series of such groups are selected in turn under control of a store. For each group the difference between the sum of the outputs of half the photo-cells in the group and the sum of the outputs of the other half is digitized to + 1, - 1 or 0 by two thresholds to form one component of a vector specifying the pattern. During learning the above is done for a plurality of examples of each pattern, corresponding components of the vectors for a given pattern being added. Any components of the vectors thus obtained which are the same for all the patterns are eliminated, and may be replaced by components obtained from yet more groups of photo-cells, and if the resulting vectors are not approximately equal in length they are made so by using more examples of a pattern or multiplying all components of some vectors by a scalar. The finally resulting vectors are held in the store. During recognition, a vector is obtained for the unknown pattern as above and the scalar product of it with each of the stored vectors in turn is obtained. The largest scalar product identifies the pattern if it exceeds a threshold. Otherwise a fail-torecognize indication is given.
Patent GB-1495396-A (GB)
Title: Process for reducing nitrogen oxides
IPC: B01D53/94
Filed: 1974-12-11
Abstract: 1495396 Reducing nitrogen oxides in gases MITSUBISHI PETROCHEMICAL CO Ltd HITACHI Ltd and BABCOCK-HITACHI KK 11 Dec 1974 [12 Dec 1973 (4) 29 March 1974 (2) 16 Aug 1974 (2) 22 Aug 1974] 53667/74 Heading C1A [Also in Division B1] Nitrogen oxides are reduced to nitrogen by contacting at elevated temperature a gaseous mixture containing nitrogen oxides and molecular oxygen and a reducing gas with a catalyst composition containing as active ingredients (A) titanium and (B) molybdenum, tungsten, iron, vanadium, nickel, cobalt, copper, chromium and/ or uranium, optionally (C) tin and/or (D) silver, beryllium, magnesium, zinc, boron, aluminium, yttrium, a rare earth metal, silicon, niobium, antimony, bismuth, manganese, thorium and/or zirconium, the elements (A)-(D) being present in the form of an intimate mixture of their oxides and in the atomic ratios (A): (B):: 1:0À01 to 1:1 except that when (B) is iron (A):(B)::1:0À01 to 1:10, and when (C) and/or (D) is present (A):(C):(D)::1:#0À8:#0À3, the composition not containing an alkali metal. The catalysts may be supported on an inert carrier. The reducing gas may be hydrogen, a hydrocarbon, carbon monoxide or ammonia and the process is useful in the purification of waste gases.
Patent GB-1444900-A (GB)
Title: Method of drying equipment
IPC: F26B21/14
Filed: 1972-11-22
Abstract: 1444900 Method of drying electrical &c. equipment BOC INTERNATIONAL Ltd 21 Nov 1973 [22 Nov 1972] 53957/72 Heading F4G A method of drying electrical or other equipment, e.g. a transformer 4, by transferring heat to it by condensation on it of saturated or superheated vapour of a suitable liquid, includes the steps of positioning an electrical heater 12 having a permeable body 16 of electroresistive material within the interior of a vacuum-tight container 2 housing the equipment to be dried, supplying the suitable liquid to the heater 12, forcing liquid through the body 16 while passing electrical current therethrough of amplitude sufficient to generate sufficient Joule heat to vaporize substantially all the liquid entering the heater and continually evacuating the interior of the container 2, as by pump 9, to remove both the liquid vapour and desorbed water vapour. The liquid vapour and water vapour removed from the container may be condensed in respective condensers 26, 28 and the liquid so formed passed back to a reservoir 23. The heater body 16 comprises a cylinder which is bounded by two terminals 18, 20 and the heater may be of the type disclosed in Specification 1,395,494.
Patent GB-1328555-A (GB)
Title: Chuck
IPC: B23B31/12
Filed: 1970-11-13
Abstract: 1328555 Chucks L T MORAWSKI and J J PARKER 13 Nov 1970 [17 Nov 1969] 54076/70 Heading B3B A chuck comprises a body 10 adapted to be mounted on a spindle 24, the body having a plurality of circumferentially spaced cicular bores 28 providing communication between a front face 12 of the body and the outer periphery of a central bore 18 extending from the rear face of the body, the said circumferentially spaced bores 28 being equally spaced from, and similarly inclined to, the axis of rotation of the body 10. A jaw carrier rod 30 of circular crosssection is slidably arranged within each of the inclined bores 28, the front end of each rod carrying a radially facing jaw 32 and the rear end of each rod projecting into the central bore and being connected to a drive portion 48 of a draw bar 42 axially slidable in the central bore 18, the connection between the rear ends of the rods 30 and the drive portion 48 providing an axially directed force to each rod 30 and having sufficient radial clearance to permit limited rotation of the rods about their respective axes, to accommodate irregularities in the surface of a workpiece, and enable the jaws to be displaced radially and axially in response to axial reciprocation of the draw bar 42. A workpiece, e.g. a rough casting or forging 16, is therefore gripped by allowing its irregular surface to rotate slightly the jaws 32 and is pulled axially on to stop 14. The chuck may be arranged to clamp internally a ring or hollow workpiece (Fig. 6, not shown).
Patent GB-1173608-A (GB)
Title: Polybenzoxazine Diones
Inventor: BOTTENBRUCH L
IPC: C08G18/34
Filed: 1966-12-06
Abstract: 1,173,608. Benzoxazine dione polymers. FARBENFABRIKEN BAYER A.G. 6 Dec., 1966 [3 Jan., 1966], No. 54524/66. Heading C3R. The invention comprises benzoxazine dione polymers of formula where n is from 10 to 250, R<SP>1</SP> is an alkylene, cycloalkylene, phenylene, alkylphenylene, naphthylene or diphenylene group or a radical of formula where y is an alkylene, cyclohexylene carbonyl or sulphone group or an oxygen or sulphur atom, and R is a tetravalent group derived from benzene, naphthalene, anthracene or diphenyl or a radical of formula where x is an alkylene or cyclohexylene group and R<SP>2</SP> is an alkyl group. The polymers are prepared by reacting a di-o-hydroxyaryl dicarboxylic acid ester of formula where R 1  is an alkyl group, cycloalkyl group or aryl group, with a diisocyanate of formula in an organic solvent at 20 to 200 C. in the presence of a tertiary amine catalyst. In examples the esters are resorcinol-4,6-dicarboxylic acid diphenyl ester, hydroquinone-2,5- dicarboxylic acid diphenyl ester, 4,41-dihydroxydiphenyl - 3,3<SP>1</SP>- dicarboxylic acid diphenyl ester, 4,4<SP>1 </SP>- dihydroxy - diphenylmethane - 3, 3<SP>1</SP>-dicarboxylic acid diphenyl ester, 4,41-dihydroxy - 3,3<SP>1 </SP>- dimethyl - diphenyl methane- 5,5<SP>1</SP>-dicarboxylic acid diphenyl ester and resorcinol-2,4-dicarboxylic acid diphenyl ester, and the diisocyanates are diphenyl ether-4,4<SP>1</SP>- diisocyanate, tolylene - 2,4 - diisocyanate and naphthalene-1,5-diisocyanate.
Patent GB-1409099-A (GB)
Title: Airflow control system
IPC: G11B25/04
Filed: 1972-11-29
Abstract: 1409099 Ventilating magnetic disc assemblies MEMOREX CORP 29 Nov 1972 [13 Jan 1972] 55212/72 Heading G5R A ventilation device for a disc-pack drive unit includes a shroud 12 enclosing the discpack zone and having a baffle 30 pivotally mounted at a position between an air inlet opening 20 and an aperture 4 spaced peripherally from the opening 20, so that on rotation of the discs the baffle is pivoted outwardly (dotted lines) into the path zone by the air flow 62 against the bias of a spring 42 to establish high and low pressure areas (64, 66), Fig. 1 (not shown) upstream and downstream thereof; this produces inflow of air through opening 20 and outflow through aperture 14. Opening 20 receives air from a plenum chamber 24 having a filtered air inlet, while opening 14 permits the insertion of transducers. The baffle 30 may, as shown, have fingers 48 which pass between the discs of the pack, the bottom finger 50 being engageable with a limit switch 54 to signal attainment of the operating position.
Patent GB-1359568-A (GB)
Title: Apparatus for cleaning an endless belt
IPC: B65G45/24
Filed: 1972-11-30
Abstract: 1359568 Cleaning conveyer belts KOMBINAT FORTSCHRITT LANDMASCHINEN NEUSTADT IN SACHSEN VEB 30 Nov 1972 55329/72 Heading B8A Slats 1 of a conveyer belt are scraped by a spring-loaded member 4 as they pass around sprockets 17 at the end of a working run. Brushes 9 on an endless belt 8, reciprocate back and forth to clear out debris from spaces between the edges of the slats. A scraper 11 (Fig. 4) clears dirt from the brushes 9. The action of the member 4 and brushes 9, is synchronized by the action of a pulse generater wheel carried by the shaft of the sprockets 17. At a zone along the return run of the belt a brush 20 is applied to the outside of the slats, and cleansing fluid is played on the inside from a jet 21. Rinsing fluid is applied at X by jets 24, 25 carried by an endless belt (Fig. 3). The jets are tilted at each end of their travel by the action of cam tracks 28, 37. The fluid is directed to a shoot 32 by the action of a curtain 30 having an adjustable upper mounting 37.
Patent GB-1407067-A (GB)
Title: Circuit breakers
IPC: H01H73/50
Filed: 1972-11-30
Abstract: 1407067 Automatic circuit-breakers LEGRAND SA 30 Nov 1972 [2 Dec 1971 21 March 1972 5 July 1972] 55423/72 Heading H1N An automatic circuit-breaker has a pivotally mounted operating handle 50 which provides a cam surface, e.g. in a slot 72, a coupling member 52 slidable in slots in the housing 10 and urged into engagement with the cam surface, a tripping lever 51 which is centrally pivoted, at 63, to the movable contact 40 of the circuit-breaker and has at one end a notch which co-operates with the member 52, and a tripping device which acts on the other end of the lever 51. As shown the tripping device comprises an electromagnet 18 with a core 26 carrying an abutment 66 which moves the lever 51 to release the notch from coupling member 52 so that a spring 49 can open the contacts 40, 15. The abutment 66 may also strike the contact 40 when the core is attracted to assist in opening the contacts. The notch may be released from the member 52 by a slidable member 59 which is operated by a bimetallic strip 17. When the circuit-breaker is tripped a spring 54 returns the handle 50 to the off position so that the lower edge of the slot 72 cams the member 52 along the slots in the housing to a position where the notch on the tripping lever 51 re-engages the member to reset the mechanism. The circuit-breaker has an arc-extinction chamber 16 with deionizing plates 20 and outer metallic members 30, 31 connected by tongues 32 to the adjacent plates 20 so that passages in which arcs will not form extend between the region of the contacts and vents 35. The movable contact 40 is pivoted in slots 42 inclined such that the spring 49 provides sliding contact with fixed contact 15.
Patent GB-1481799-A (GB)
Title: Manufacture of coke
IPC: C10B57/08
Filed: 1973-11-30
Abstract: 1481799 Low-ash coke COAL INDUSTRY (PATENTS) Ltd 25 Nov 1974 [30 Nov 1973] 55654/73 Heading C5E Coke having a low mineral matter content is produced by digesting a coal, which prior to the digestion has a volatile matter content of 13- 28% by weight (on a dry, mineral-matter-free basis), with a high-boiling aromatic oil solvent at 350-480 C., and separating insoluble matter from the digest to give a coal extract which is then coked. The coal 3, suitably having an oxygen content of 1À6-5À8% by weight and sized to pass a 5 mm. mesh sieve, is mixed with the solvent 7 at a solvent : oil ratio between 0À5 and 10. The solvent can be derived from coal, coal tar or petroluem and can be an anthracene oil boiling within the range 180-400 C. and having a middle 90% boiling range within the range 250-350 C. The digest can be filtered at 41 at 150-300 C., optionally after diluting with additional solvent. The solvent is distilled from the extract, which is then coked, suitably by a delayed coking process in the drums 57a and 57b, e.g. at 450-550 C. The coke can be calcined at 1300 C. and graphitized at 2600-3000 C.
Patent GB-1153911-A (GB)
Title: Improvements in or relating to Arrangements Of Transmission Gearing
IPC: B60K17/36
Filed: 1966-12-20
Abstract: 1,153,911. Motor vehicle transmission gearing. TATRA NARODNI PODNIK. 20 Dec., 1966 [23 Dec., 1965], No. 56876/66. Heading B7H. In transmission gearing for a motor vehicle having four driven axles with all the wheels thereon independently suspended, an engine 1, a torque converter or clutch 2, a gear-box 3, a main inter-axle differential 4, front reduction gearing 19, a front inter-axle differential and final drive gearing 25, 21 for the front axles form a front assembly 28 wherein the final drive gearing 25 is disposed below the engine 1 and driven by a shaft 24 extending beneath the clutch 2, and rear axle reduction gearing 9, a rear inter-axle differential 10 and final drive gearing 16, 12 for the rear axles form a rear assembly 29, a universally-jointed propellor shaft 7 driving the rear reduction gearing 9 from the main inter-axle differential 4. Each wheel is driven from the respective final drive gearing through a universally-jointed half-shaft 13, 17, 22, 26 and planetary reduction gearing 14, 18, 23, 27. The reduction ratios of the front and rear reduction gearing 19, 9 and of the final drive gearing 12, 16, 21, 25 fall between 1 : 1 and 1 : 1À5.
Patent GB-1171788-A (GB)
Title: Diagnostic Device for Various Sugars.
IPC: B01J41/16
Filed: 1966-12-20
Abstract: 1,171,788. Detecting sugars. KABI A.B. 20 Dec., 1966 [5 Jan., 1966], No. 56973/66. Heading B1X. A diagnostic test indicator for detecting a sugar in body fluids comprises a bibulous cellulose strip having (i) a body fluid absorption portion comprising an ion-exchange material and (ii) an indicator portion impregnated with a composition comprising an oxidase specific to the sugar being tested for, peroxidase, and a chromogen oxidisable in the presence of hydrogen peroxide and peroxidase to a differently coloured oxidation product. Examples relate to determination of glucose and galactose. The ion exchange material may be an ion exchange cellulose derivative, for example cellulose phosphate or sulphate or carboxymethyl cellulose, or amino ethyl cellulose, N, N-diethyl amino ethyl cellulose (DEAE) or "ecteola-cellulose" obtained by treating an alkali metal salt of cellulose with epichlorhydrin and triethanolamine. Alternatively, the ion-exchange material may be a cellulose carrier treated with ion-exchange resin. The chromogen may be o tolidine (exemplified); o-dianisidine, mesidine, m-tolidine, benzidine, o-methylbenzidine, 4,4'-diaminodiphenyl, o, m or p phenylenediamine, 2, 3-, 2, 4-, 2, 5- or 2, 6-toluylene-diamine, pyrogallic acid, pyrogallol, gallic acid, phloroglucinol, hydroquinone, guaiacol. The indicator composition may include a hydrophilic colloid, e.g. polyethylene glycol in wt. 500 to 40,000 or egg albumin, in amount 25% to 250% of the oxidase. Other colloids are mentioned.
Patent GB-1163790-A (GB)
Title: Improvements in or relating to Nailing Tools
IPC: B25C1/04
Filed: 1966-12-23
Abstract: 1,163,790. Nailing tools. SIGNODE CORP. 23 Dec., 1966 [27 Dec., 1965], No. 57807/66. Heading B4C. A pneumatically-actuated nailing tool 11 comprises a driver 40 connected to a piston 22 which is reciprocable in a cylinder 20, a magazine 52 for holding nails 122 and a latch mechanism 144 adapted to feed the nails one at a time to a driver passage 50. The latch mechanism 144 includes a latch 170 pivotally mounted in a plunger 167 which is slidable in a cylinder 150 formed in the nose casting 48 of the tool. The plunger is formed with a cam surface 176 adapted to engage a corresponding surface 178 on a follower 146 loaded by a spring 148. In operation, with the tool in the position shown, compressed air in a reservoir 74 acts via a passage 94 on a piston 82 of a spool valve 80 so as to exhaust the air above the driving piston 22 via a passage 108. Upon depressing a trigger 98, air in a chamber 84 is exhausted and thereby allows a closure member 92 on the spool valve to open a port 78 so that the air can act on the driving piston 22. As the first nail in the magazine is driven therefrom, the head of nail abuts the latch 170 thereby rotating the plunger 167 so that the operative portion of the latch is moved out of alignment with the remaining nails (Fig. 5), the spring 148 being loaded via the interengaging cam surfaces 176, 178. At the end of the stroke of the driving piston air is fed, via passages 200, 202, into the cylinder 150 so as to move the plunger rearwardly. Upon release of the trigger the driving piston is returned by air trapped, during the working stroke, in a chamber 28 and the plunger is moved forward by the spring 148 so that the latch moves another nail into the driving channel 50; the nails are prevented from moving rearwardly in the magazine by means of spring-loaded indents (160, Fig. 4). When a new strip of nails is inserted into the tool, the latch mechanism is operated manually via a lever 194.
Patent GB-1451115-A (GB)
Title: Cabinets with rounded corners
IPC: A47B/
Filed: 1973-12-14
Abstract: 1451115 Structural joints STANDARD TELEPHONES & CABLES Ltd 14 Dec 1973 58013/73 Heading F2M A cabinet, e.g. a radio or television cabinet of angular form but having rounded corners is made by dividing a sheet of composite or semirigid material to form a series of portions 4, 5 interconnected by a skin of stretchable material, e.g. plastics laminate, which extends continuously across the portions, and inserting into the gaps thus formed jointing brackets 8 having rounded heads 9, the arrangement being such that when the portions are folded to form the cabinet the skin is stretched around the heads 9 to form the rounded corners of the cabinet. The brackets 8 may be either as shown in Fig. 2 or Fig. 3, the heads in the latter embodiment having a larger radius and having a surface extending over slightly more than 90 degrees. Arms 11, 12 of the brackets 8 may be fixed to the portions 4, 5 by screws or staples and adhesive may also be used. Fig. 4 shows also a removable bottom panel 22 and chassis 28 secured by a keying member 21 which may include a foot 27 or offset portion (Fig. 5, not shown).
Patent GB-1377362-A (GB)
Title: Frequency discriminator circuits
IPC: H04L27/156
Filed: 1971-12-09
Abstract: 1377362 Frequency discriminators GENERAL ELECTRIC CO Ltd 9 Dec 1971 [9 Dec 1970] 58452/70 Heading H3A A frequency discriminator comprises means for deriving, from an input, two squarewave signals phase displaced to an extent dependent on the frequency of the input, and a logic circuit (EXCLUSIVE OR or PARITY) connected to derive from the two squarewave signals a pulse signal having a mark/space ratio dependent on the phase difference between the two signals, and hence on the input frequency. As described, the input signal is squared and fed to EXCLUSIVE- OR gate 7, 12 directly and via a phase shifter 3, 4 to derive a variable mark/space ratio output signal at twice the frequency of the input signal. The mean level of this output signal is then derived by low-pass filter 13, 14. Stage 12 may be clamped to a predetermined level in response to a fail signal applied over path 15.
Patent GB-1321337-A (GB)
Title: Slitter assembly for and a method of slitting a moving web
IPC: B26D1/24
Filed: 1970-12-15
Abstract: 1321337 Slitting webs BELOIT CORP 15 Dec 1970 [16 Dec 1969] 59513/70 Heading B4B A slitter assembly for slitting a travelling web of material e.g. paper or plastics, comprises a pair of cutting discs 10, 11 each provided with a lip portion 12, 13, the discs being overlapped and arranged with a toe-in so that adjacent edges of the lips meet in point contact. The lip 12 or 13 of the disc is formed by providing a recess 26, Fig. 9, in the facing surfaces of the discs; the lip may be case hardened and the recess filled with a plastics material to increase rigidity. The optimum thickness for the lip is determined having regard to the diameter of the disc and the overlap. Various examples of these dimensions are disclosed. The purpose of providing the lip is to reduce the gap A<SP>1</SP>, Fig. 8B to a minimum as the blades wear together, the blades being maintained in contact e.g. by an air diaphragm. The cutting discs may be freely rotatable on shafts and rotated by the movement of the web being slit or they may be motor driven.
Patent GB-1389691-A (GB)
Title: Thiazolotriazolylphosphorothioates and the preparation and uses thereof
IPC: A01N57/16
Filed: 1972-12-28
Abstract: 1389691 Phosphorothisate esters NIPPON SODA CO Ltd 28 Dec 1972 [30 Dec 1971 7 Jan 1972] 59782/72 Heading C2P Novel compounds of the general formula wherein R is C 1 -C 6  alkyl and X is halogen, e.g. Cl or Br, are obtained by reacting with (RO) 2 P(S)Cl. The reaction may be carried out in an inert solvent and is preferably effected in dimethyl sulphoxide or dimethyl formamide as solvent and in the presence of an alkali metal carbonate as condensing agent or by using an alkali metal salt of II dissolved in a solvent, e.g. dimethyl formamide or dimethyl sulphoxide. The products have insecticidal and acaricidal properties and may be used as active ingredients in conventional pesticidal compositions.