baber/WOPTO huggingface dataset:
Patent GB-1342183-A (GB)
Title: 1,3,4-thiadiazolon-5-yl-2-ureas process for their preparation and their use as herbicides
IPC: C07D285/135
Filed: 1972-05-10
Abstract: 1342183 1,3,4-Thiadiazolonyl ureas BAYER AG 10 May 1972 [11 May 1971 21 Sept 1971] 21865/72 Heading C2C  The novel compounds 4-tert.-butyl-1,3,4- thiadiazolon-(5)-yl-(2)-ureas in which R<SP>1</SP> and R<SP>2</SP> (same or different) are hydrogen or alkyl (1-3 C) and R<SP>3</SP> is alkyl or alkoxy (1-4C) are prepared by reacting a 1,3,4-thiadiazolon-(5)-yl-(2)-urea with isobutylene in the presence of a diluent and a catalyst, and may be used as herbicides. 3-Methyl-, 1,3-dimethyl-, 1-ethyl-3-methyl-, 1- propyl - 3 - methyl -, 1 - isopropyl - 3 - methyl-, 1 - methyl - 3 - ethyl -, 1 - methyl - 3 - allyl-, 1,3,3 - trimethyl -, 1 - ethyl - 3,3 - dimethyl-, 1,3 - dimethyl - 3 - butyl -, 1 - methyl - 3,3 - diethyl-, 1,3 - dimethyl - 3 - methoxy - 1 - (1,3,4- thiadiazolon-(5)-yl-(2)-ureas are mentioned as examples of Formula II and they may be prepared by reacting phosgene with the 1-alkanoyl- 4-alkyl-thiosemicarbazides. Catalysts for the preparation of the compounds I are aluminium, ferric or stannic chloride and boron trifluoride with solvents such as diethyl ether, di-n-butyl ether, dioxan or tetrahydrofuran. Herbicidal compositions include the compounds of the invention with known herbicides as solutions, emulsions, suspensions, powders, pastes and granulates with liquid diluents and carriers and conventional additives.
Patent GB-897044-A (GB)
Title: Improved magnetic recording system
IPC: G11B5/03
Filed: 1960-06-22
Abstract: 897,044. Magnetic recording methods. AMPEX CORPORATION. June 22, 1960 [July 13, 1959], No. 21906/60. Class 40 (2). [Also in Group XL (c)] A magnetic recording is made by widthmodulating a train of pulses B by a signal A, later to be reproduced from the magnetic record, the pulse repetition rate being so related to the gap length of the recording head 14 that the pulses are not recorded but provide the bias for recording their modulated envelope. The modulator 12 comprises a multivibrator 46, 47 which produces square pulses, width modulated by the input waveform A. A portion of the output B is fed by a potentiometer 51 to a power output stage 13 feeding the head 14. The waveform A is played back by a conventional head 18 and amplifier 19.
Patent GB-1224137-A (GB)
Title: Speech synthesis system
IPC: G10L13/06
Filed: 1969-04-30
Abstract: 1,224,137. Speech synthesizer. NIPPON TELEGRAPH & TELEPHONE PUBLIC CORP. 30 April, 1969 [1 May, 1968], No. 21992/69. Heading H4R. Synthetic speech is built up by the concatenation of phonemic units each of which begins and ends with a vowel, e.g. a vowel, consonant, vowel unit or a vowel-vowel unit. Since the acoustic features of a vowel vary relatively slowly phonemic units may more easily be joined in the mid portion of a vowel. For a word which begins or ends with a consonant a phoneme unit which comprises the same vowel before and after the required consonant is used and the redundant vowel is removed. Nasal sounds may also be considered as vowels and appear at the beginning and/or end of a phoneme unit. The apparatus may include stored information to modify the stored phoneme units to produce the effect of different accents or talkers, e.g. male and female voices.
Patent GB-1395217-A (GB)
Title: Rear seat device for a vehicle having multiple uses
IPC: B60N2/36
Filed: 1972-05-11
Abstract: 1395217 Vehicle seats AUTOMOBILES PEUGEOT and REGIE NATIONALE DES USINES RENAULT 11 May 1972 [19 July 1971] 22021/72 Heading A4J [Also in Division B7] The area of a loading platform of a vehicle is increased by moving the backrest D of the rear seat to a position in which it rests on the vehicle rear shelf T and pivoting the seat squab A forwardly about an axis 14. The backrest D is guided for movement between the normal sitting position and the position in which it rests on the shelf T by rollers 3, pivoted to bosses 4 integral with the shelf, rolling in slideways 2 on the backrest and by links 5 pivotally connected to the backrest and to uprights M disposed at each side of the vehicle. Locking of the backrest in each of the two positions is effected by a member 12 having two hooks 9, 10 hook 9 engaging with a keeper 6 in one position and hook 10 with a keeper 7 in the other position. A folding floor 16, 18, 17 for the increased area loading platform is disposed below the seat squab or behind the backrest.
Patent GB-627194-A (GB)
Title: Improvements in or relating to circuits for operating electric discharge lamps
IPC: H05B41/10
Filed: 1947-08-11
Abstract: 627,194. Supply systems for space discharge lamps. GENERAL ELECTRIC CO., Ltd., DUCKETT, G. C., and WILLOUGHBY, A. H. Aug. 11, 1947, No. 22254. [Class 38 (iv)1 In a circuit arrangement for a discharge lamp, such as a high-pressure mercury vapour lamp 1, operating from a D.C. supply, wherein the operating coil 7 of an electromagnetic starting switch 6 is connected to the supply terminals 13, 14, a rectifier 12 is included either in series or in shunt with the coil so that the switch can only operate when the voltage applied to the terminals 13, 14 is of correct polarity and damage to the lamp due'to incorrect supply connection is thereby prevented. When the rectifier is in shunt with the coil, a resistance 11 or indicator lamp is included in series with the coil-rectifier combination. The coil may be connected, as described in Specification 625,558, through the contacts 9 of a relay 8 energized by the operating current of the lamp 1 so as to render the switch 6 inoperative whilst the lamp is running.
Patent GB-1305825-A (GB)
IPC: B65H5/00
Filed: 1970-05-08
Abstract: 1305825 Feeding and delivering sheets XEROX CORP 8 May 1970 [15 May 1969] 22294/70 Heading B8R An apparatus for supplying articles, e.g. documents, from a first to a second location, e.g. to the platen 6 of a copying machine 5, comprises a tray 30 for holding documents 7 to be despatched and returned documents 8, transport means for despatching documents 7 from and returning documents 8 to the tray 30 and including a primary transporter, e.g. a separating roller 14, adjacent the mouth of said tray for feeding documents singly therefrom, and means, e.g. a bar 32, interposable between the primary transporter and returned documents 8 to prevent unintentional re-feeding, cover means 60 being adapted to overlie and co-operate with the tray to reposition returned documents 8 in the tray. Documents 7 separated by roller 14 are fed by rollers 16, 17 which prevent double feed, and by rollers 18, 19, through the guide path defined by plates 21, 33 to a reversible endless belt 20 which feeds the documents on to the platen 6 and returns them via the top surface of plate 21 and rollers 22, 33 and 27, 28 to the tray 30. The tray may comprise two parts (41), Fig. 2 (not shown), 41<SP>1</SP> slidable along a shaft 42 to accommodate documents of different size. The cover 60 is pivotable about the shaft 42 and urges the tray 30 to a loading position (Fig. 2), as it is opened. An air chest (64) has apertures (86) which blow low pressure air on to returning documents to direct them to the tray 30. Alternatively spring fingers may be used. A photo-electric cell 78 and light 79 sense when all the documents 7 have been fed from the tray and momentarily actuate a solenoid 38, or clutch arrangement, which lifts the bar 32 to allow returned documents 8 to fall to the feed position. After a time delay, the bar is again actuated to return the last fed document to the feed position. This solenoid or clutch may also be actuated when the machine is started up, and when the cover 60 is opened so as to lift the bar out of the way to facilitate loading the tray 30. The tray has a spring finger 50 to retard returning documents and jog them into a neat pile. An ion generator 88 may eliminate static electric charges on the documents.
Patent GB-594410-A (GB)
Title: Improvements in or relating to roller bearings
IPC: F16C33/60
Filed: 1944-11-13
Abstract: 594,410. Roller bearings. ABLETT, C. A. Nov. 13, 1944, No. 22309. [Class 12 (i)] For retaining the rollers or for taking up end thrust in either direction in a divided-race roller bearing, a roller-receiving groove is built up on a cylindrical race by a pair of separate collars or flanges which form part of the clamping rings by which the divided race is held together. Thus the accurate surfaces against which the rollers must run can be produced by simple cylindrical grinding for the race proper and by simple surface grinding for the operative side faces of the collars. The collars need only be hardened at the region of such face. Figs. 2 and 3 show an inner race b divided into two halves by an inclined cut with the two halves secured around a shaft a by means of axially divided clamping rings c, d the halves of which are held together by screws there being optionally shoulders g on the race b to prevent axial displacement of the rings. If large end thrusts are likely the divided inner race may be sunk into a groove in the shaft. The clamping rings are formed with hardened flanges f against the end faces of which the rollers bear. The clamping rings c may bear on the shaft and have flange extensions f<1> engaging over the race b as shown in Fig. 4. Specification 543,180, [Group XXII], is referred to.
Patent GB-641154-A (GB)
Title: Improvements in or relating to gas turbine plant
Inventor: OGSTON WALTER MACTAVISH
IPC: F02C6/10
Filed: 1948-08-27
Abstract: 641,154. Gas turbine plant. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. Aug. 27, 1948, No. 22708. [Class 110(iii)] [Also in Group XIII] Compressed air for use in a blast furnace 7 is heated in a continuously-operating heat-exchanger 6 by hot gases, at the same pressure, from a high-pressure stage 3 of a gas turbine 3, 4. The gases may be further heated in a combustion chamber 9. The heat-exchanger 6 is of the rotary regenerative type. Turbine 3, 4 drives a two-stage air compressor 1, 2 and a two-stage blastfurnace gas compressor 11, 12. Air from the compressor 1, 2 is burnt with gas from the compressor 11, 12 in a chamber 8 and delivered to turbine stage 3. The stage exhaust is reheated in chamber 9, by being burnt with further blast-furnace gas taken from between the stages 11, 12, passed through the heat-exchanger 6 and led to turbine stage 4. The exhaust from stage 4 passes through a pre-heater 5. Compressed air for the blast furnace is taken from between the compressor stages 1, 2 and led through the pre-heater 5 and the heatexchanger 6. The pressures of the air and the hot gases passing through the heat-exchanger 6 are substantially equal. Excess power is absorbed by a generator 13 which may be used as a starting motor.
Patent GB-577556-A (GB)
Title: Improvements in or relating to fittings for use in the waterproofing of building structures
IPC: E04B1/41
Filed: 1944-11-17
Abstract: 577,556. Wall ties. BRIGGS & SONS, Ltd., W., and MARCH, G. A. Nov. 17, 1944, No. 22839. [Class 20 (iv)] A tie particularly for walls separated by waterproofing layers comprises a rag-bolt 1 having a screw-threaded shank 3 on which is welded a flange or washer 2, and a flange plate 4 screwing on to the shank and carrying an axial screw 6 to which a spread end 8 may be secured by a nut 9. The washer 2 is flush with the surface of the wall 10 on which the waterproof layers 11, 12 are secured and a junction piece 13 of waterproofing material is welded to the layers by heat and is pressed into tight contact therewith by the plate 4 which is subsequently covered by a waterproof piece 14 through which the axial screw 6 projects.
Patent GB-1056725-A (GB)
Title: Protecting scr's in ignition firing circuits
IPC: H02H7/20
Filed: 1965-05-28
Abstract: 1,056,725. Converting. ROBOTRON CORPORATION. May 28, 1965 [July 23, 1964]. No. 22841/65. Heading H2F. An ignitron controlled by a thyristor connected between the anode and igniter has the thyristor protected from excessive reverse transient voltages by the series combination of a diode and a Zener diode connected between the anode and igniter (Fig. 2, not shown) or the anode and cathode (Fig. 1, not shown) of the ignitron so as to by-pass the thyristor. The thyristor anode is connected through a current limiting inductor and resistor to the ignition anode. To protect against forward voltage transients when two ignitrons are coupled in anti-parallel, the thyristor anodes are connected through a capacitor.
Patent GB-945180-A (GB)
Title: Guard ring semiconductor junction
IPC: H01L27/02
Filed: 1961-06-23
Abstract: 945,180. Semi-conductor devices; photocells. UNITED STATES ATOMIC ENERGY COMMISSION. June 23, 1961 [Sept. 28, 1960], No. 22847/61. Heading H1K. A serin-conductor device such as a photocell or a transistor, comprises a base layer of one conductivity type having a second layer of the opposite conductivity type, the second layer consisting of a central portion and a separate peripheral portion. Fig. 1 shows a P-type silicon disc 12 having a phosphorus diffused N-type layer 13 which is separated into two portions by groove 19 which is produced by etching completely through an unmasked portion of the N-type layer 13. The PN junction is reverse biased by battery 21 and if the junction is submitted to particle or other radiation output signals appear across resistor 22. The outer guard ring portion 18 is also connected to resistor 22 so that deleterious currents along the surface of the depletion layer are by-passed to substantially reduce junction the noise in the output signal. Groove 19 should be narrow (0.001 inch) for optimum effect. The arrangement also results in a clear limit to the sensitive area avoiding curvature of the electric field at the edge so avoiding excess in recording radiation effects. The invention may be applied to transistors.
Patent GB-924254-A (GB)
Title: Pregnane compounds
IPC: C07J75/00
Filed: 1959-07-03
Abstract: The invention comprises an allopregnane of the general formula: <FORM:0924254/IV(a)/1> in which R represents a free or esterified hydroxyl group, Y represents an oxo group, or a hydrogen atom together with a free or esterified hydroxyl group, X represents a chlorine or fluorine atom, or X and Y together represent a hydrogen atom together with a 9,11-epoxide group and a process for the manufacture of a pregnadiene wherein an allopregnane of the above formula is treated with selenium dioxide or selenious acid, and, if desired, in a compound so obtained an 11- and/or 21-hydroxy group is/are esterified or an esterified hydroxyl group is hydrolysed, and/or an 11-hydroxy compound so obtained is dehydrogenated to an 11-oxo compound, and/or chlorine or fluorine is introduced into the 9a -position.  Compositions containing compounds of the general formula (wherein R, Y and X are as defined above), which display activity in the hepatic glycogen test and in the granuloma test, are administered enterally or parenterally as tablets, dragees, ampoules, solutions, suspensions or emulsions.  Specifications 924,251 and 924,252 are referred to.
Patent GB-872155-A (GB)
Title: Beta-lactones
Inventor: TESTA EMILIO
IPC: C07C51/09
Filed: 1958-07-17
Abstract: Beta-lactones of formula <FORM:0872155/IV (b)/1> where R and R1 are the same of different and represent hydrogen, aryl, alkyl or aralkyl groups are prepared by mixing a beta-aminopropionic acid of formula <FORM:0872155/IV (b)/2> with 2 to 3 equivalents of an alkali metal nitrite in dilute acetic acid at a temperature not exceeding 5 DEG C. Those compounds in which R is C1-8 alkyl or aralkyl and R1 is aryl or aralkyl are claimed per se.  The lactones may be hydrolysed, e.g. with sodium hydroxide to the corresponding hydroxy acids <FORM:0872155/IV (b)/3> Specifications 709,585 and 853,954 are referred to.
Patent GB-1458625-A (GB)
Title: Bread and ingredients for its production
IPC: A21D2/14
Filed: 1974-05-23
Abstract: 1458625 Bread dough additives DISTILLERS CO (YEAST) Ltd 19 May 1975 [23 May 1974] 23027/74 Heading A2B [Also in Division C5] Propionic acid or a salt thereof is encapsulated in a substance which melts or dissolves during baking and is added to bread dough. The encapsulating material may be an edible fat melting at 100 to 180‹F e.g. glyceryl monostearate, paraffin wax, palm oil or beef dripping or a proteinaceous colloid e.g. gelatin. The salt may be calcium propionate monohydrate. The dough may contain 0.05 to 0.4% of the acid or salt and 0.5 to 3% of the encapsulating material, based on flour weight, there being 2 to 10 times more encapsulating material than acid or salt. The encapsulated particles may be less than 1 mm. in diameter and may be in the form of a flavourable powder.
Patent GB-1311921-A (GB)
Title: Directional light transmitting screens
IPC: G03B21/62
Filed: 1970-05-13
Abstract: 1311921 Solar heating RICOH KK 13 May 1970 [18 June 1969] 23054/70 Heading F4U [Also in Division G2] A directional light transmitting projection screen consists of an array of convex lens systems 1, 2, 3 the outer faces of lenses such as 1 and 2 together constituting the two spaced parallel surfaces of the screen, the arrangement of lens systems being such that a light source on one side of the screen is imaged on the other side with a half-tone screen effect. The axes of the lens systems may be parallel and perpendicular to or inclined to the general surfaces of the screen, or the axes may be mutually inclined. Again, the refractive powers of the lens systems may be identical or may differ and be arranged in interlaced patterns in the screen. The lenses 1, 2, 3 may be symmetrically or asymmetrically spaced on their axes. With appropriate choice of axis inclination and refractive power of the lens systems, the screen may be used to provide a focusing system in a solar oven (other applications in Heading G2A).
Patent GB-348473-A (GB)
Title: A new or improved means for unbolting an exit door, or emergency door, in picture palaces, theatres and other public buildings
IPC: E05F13/04
Filed: 1930-07-31
Abstract: 348,473. Emergency exits. HOLLAND, C. R., 7, Melbourne Street, Burslem. Stoke-on-Trent. July 31, 1930, No. 23069, [Class 44.] Emergency exit doors are normally held closed by bolts e entering sockets d on the doors. The bolts e are formed on the end of a plate g, pivoted at h, which carries a resilient pad p on a number of studs k which pass through a fixed floor-support e. When a person steps on the pad p it is depressed to the dotted line position flush with the floor, and the plate g is pressed down, against the pressure of a spring s, to withdraw the bolts e and allow the doors to be swung open by springs. The plate g is held down by a spring catch u, which may be pressed back by a suitable tool to allow the plate to rise to its normal position under the action of the spring s.
Patent GB-1501495-A (GB)
Title: Vessel mooring arrangement
IPC: B63B21/00
Filed: 1976-05-13
Abstract: 1501495 Mooring vessels R C PEARSON 13 May 1976 [27 May 1975] 23083/75 Heading B7V A mooring arrangement for mooring a vessel to a stationary and/or waterborne structure comprises a first mooring rope connected to the structure at two spaced apart points and a second mooring rope connected to the first between the points and to the vessel, the second rope being less resilient and having a lower breaking load than the first. The first rope can be of nylon and the second rope of polypropylene. The first rope can be fixed to high and low positions on the structure possibly over running connection and the second rope can be connected thereto, e.g. by a grommet.
Patent GB-167089-A (GB)
Title: Improvements in tobacco pipes
IPC: A24F1/08
Filed: 1920-08-06
Abstract: 167,089. Halliwell, R. Aug. 6, 1920. Tobacco pipes.-A cylindrical chamber E, bored below the bowl A and fitted with plugs F, communicates with the bowl by one or more holes G and with a space in the stem C by an inclined passage H.
Patent GB-1219357-A (GB)
Title: Improvements in and relating to liquid atomizer nozzles
IPC: F23D11/10
Filed: 1968-05-15
Abstract: 1,219,357. Spray producers. NIRO ATOMIZER A.S. 15 May, 1968 [17 May, 1967], No. 23192/68. Heading B2F. An atomiser nozzle comprises passages for gas and liquid arranged to discharge through a common aperture and arranged concentrically with an axis of the nozzle and with each other so that there is a gas passage on the inside 1 and on the outside 3 of a passage 2 for the liquid, the other walls of the liquid and outer gas passages having terminal portions 10, 11, 12 converging on the nozzle axis so that a film of liquid produced by interaction of gas from the inner passage with liquid from the liquid passage is moved towards the nozzle aperture and is broken up before reaching the aperture by a cross-current of gas directed at the film from the outer gas passage, there being a conical surface concentric 13, 14 with the nozzle axis extending from the outer wall at the outlet of the liquid passage and of the outer gas passage towards the nozzle aperture, such surface being a frustum of a theoretical cone having a base at the nozzle aperture and an apex surrounded by the inner gas passage, the axial distance between the outlet of the outer gas passage and the nozzle aperture exceeding the diameter of the nozzle aperture, and means for producing swirling movements in opposite directions in the outer gas passage and the liquid passage. Swirling may be produced by tangential inlets 8, 9 to the outer gas and liquid passages, said passages preferably having terminal portions of cross sections which decrease steadily towards the nozzle aperture.
Patent GB-337386-A (GB)
Title: Improvements in or relating to electric fuses
IPC: H01H85/38
Filed: 1929-07-29
Abstract: 337,386. Cox, C. W. July 29, 1929. Fusible cut-outs. - In a cartridge type fuse two refractory end pieces A, having holes a<1> through which the fuse passes, are separated by a chamber K containing a heat-absorbing metallic element in the form of discs G having centre openings through which the fuse passes, and a filling powder such as marble dust; the outsides of the discs G make contact with a metal tube B which connects the end pieces A. Terminal rings D are attached to the outer faces of the end pieces A, and are externally threaded to receive terminal fittings E, gastight joints being made. The fuse may be enclosed in an insulating shell consisting of a cylindrical part C and end caps H, the end caps being mounted on the terminals E. Instead of the heat-absorbing discs G a coil of metal gauze may be used. For heavy current work several fusible elements F may be used, and in a modification the ends A have multiple bores.
Patent GB-240446-A (GB)
Title: Improvements in intake manifolds for internal combustion engines
IPC: F02M1/00
Filed: 1925-09-17
Abstract: 240,446. Hackethal, P. F. Sept. 25, 1924, [Convention date]. Vaporizers, external.-An intake manifold M is formed as a continuous pipe loop 1, 2, 3, 5 having branches 6 leading off at an acute angle to the barrels of piston pumps F which supply the cylinders with combustible mixture. The mixture is supplied to the inlet end 4 of the loop by a fuel nozzle 23 and an air or exhaust-gas inlet 25. The atomized fuel, with its carrying-medium, circulates in the loop, the lighter fuel particles being drawn through the branches 6, whilst the heavier particles are kept circulating until sufficiently atomized to be drawn into the pump barrels. The return conduit 2 of the loop may lie along the exhaust manifold 16 so as to be heated thereby. The pump barrel 11, Fig. 2, communicates through a conduit 12 and timed valve 18 with the combustion chamber 13, into which air is fed past a valve 14. Specification 179,172, [Class 7 (ii), Internal-combustion engines, Arrangement &c. of], is referred to.