baber/WOPTO huggingface dataset:
Patent GB-1507504-A (GB)
Title: Phase synchronizing circuit
IPC: H04N1/36
Filed: 1975-03-26
Abstract: 1507504 Synchronizing facsimile machines FUJI XEROX CO Ltd 26 March 1975 12798/75 Heading H2L A synchronizing arrangement for a facsimile transmission system as described in Specification 1,474,053, includes a delay latch circuit which prevents malfunction due to apparent phase synchronization during run up. The system includes transmitter and receiver drums each incorporating pulse transmitters and driven by motors and the circuit shown is arranged to synchronize the receiver drum with the transmitter drum. In operation a start driving signal will after a delay by circuit V4, which is long enough for the receiver drum to run up to speed, enable gate U 6  so that the transmission phase signal will appear at the output of gate U 7  before synchronism occurs. The receiver phase signal at input 1 of the first correction circuit U 1  causes a reduced frequency to be applied to the motor until a transmission phase signal is received on input 2. via gate U 7 . The transmission phase signal applied to the second correction circuit U 2  causes a brake pulse to be applied to the motor winding. When the transmission and receiver pulses are in phase the correction circuits receive pulses on both inputs simultaneously which causes circuit U 1  to maintain a normal frequency output and disables circuit U 2 . The gates U 5 , U 6  are connected as a latch so that their state is maintined once synchronism is obtained.
Patent GB-774510-A (GB)
Title: Improvements in or relating to seats
Inventor: FOSTER WILLIAM LOCKETT
IPC: B61D33/00
Filed: 1952-05-21
Abstract: 774,510. Seats. PETERS & CO., Ltd., G. D. Aug. 29, 1952 [May 21, 1952], No. 12842/52. Class 52 (2). Relates to reversible vehicle seats of the kind that move away from the side of the vehicle, when the seat is rotated, by means of a link 17 having one end 18 pivoted to the fixed seat base and the other end 20 pivoted to the seat turntable structure at a point eccentric to the axis of rotation. According to the invention a spring loaded locating latch 25 carried by the base bears against the periphery of a circular ring plate 11 forming part of the turntable structure and automatically engages one or other of two diametrically oppositec recesses 27 to preven rotation of the seat unti the latch is withdrawn by actuation of a pedal 40 The turntable structure consists of a pair of parallel rails 7 carrying the ring plate 11 which lies between a lower pair of fixed parallel rails tha form a guide for the ring plate when the seat moves away from the vehicle side and upon the upper surfaces of which the rails 7 slide during rotation of the seat.
Patent GB-1224027-A (GB)
Title: Road marking studs
Inventor: GUBELA GUENTER
IPC: E01F9/553
Filed: 1968-03-18
Abstract: 1,224,027. Road marker studs. G. GUBELA. 18 March, 1968 [18 March, 1967], No. 12897/68. Heading E1G. A plastics road stud, Fig. 4, shown inverted, has two rebated rectangular plastics reflector plates 11 wedged in grooved openings 14, 14a in its underside. The wedging is achieved either by separate wedges, Figs. 6, 7 (not shown) or by using a wedge-shaped reflector 26, Fig. 8. The pyramids or prisms of the reflector 26 are coated with chrome or nickel 27 and covered by a plastics layer 28. The underside of the stud has a pattern of depressions for adhering it to the road surface, and may also be provided with a barbed anchoring shaft.
Patent GB-329797-A (GB)
Title: Improvements relating to the supporting of curtain and like rods
IPC: A47H1/102
Filed: 1929-07-26
Abstract: 329,797. Evans, J. R. July 26, 1929. Braclcets; curtains, suspending.-A flat curtain rod 6 is supported in a bracket consisting of a wall plate 2 provided with a shallow recess to receive the rod which is held therein bv a vertical pin 9 passed through slots in upper and lower projections 3 on the bracket. To prevent endwise displacement of the rod a projection 7 on the bracket engages a hole or vertically elongated slot in the rod or vice versa. The bracket may be constructed to receive a second rod disposed lower than, and forward of, the first rod.
Patent GB-670102-A (GB)
Title: Improvements relating to registering mechanisms of the kind comprising a cyclometer-type counter
IPC: G06M1/06
Filed: 1949-05-17
Abstract: 670,102. Counting-apparatus. GRAHAM & CO., Ltd., A., and TAPLIN, R. W. May 17, 1950 [May 17, 1949], No. 13103/49. Class 106 (i). In a registering mechanism, e.g. for an electricity meter, comprising a cyclometer - type counter with numberwheels having pins or teeth on one side engaged by transfer pinions, the drive to the lowest wheel 31 is by means of a worm 36 continuously and directly engaging its said teeth 22, and the spindle 37 of the worm carries a number disc 38 or pointer serving as the indicator of the next lower order. The rear bearing 39 of the spindle 37 is a jewel thrust-bearing 39 in a block 40 adjustably secured to a bracket 41 on the rear plate 28 of the counter, the bracket 41 also carrying a vertical spindle 43 through which the drive is transmitted from the meter. The wheel 31 has twenty teeth 22 and the worm 36 a two-start thread. Each tooth 22 comprises a pin portion 23 and a strengthening rib 24.
Patent GB-131221-A (GB)
IPC: F23L17/02
Abstract: 131,221. Crofts, C. W. Dec. 13, 1918. Chimney and ventilating-shaft tops.-A conical cowl e is freely supported on the apex of a cone d and is fitted with an internal ring f which can normally pass the cone d,'but which, when the cowl swings aside under wind pressure, moves out of register with cone d and thus prevents the cowl from being blown off.
Patent GB-131379-A (GB)
IPC: C07C51/60
Abstract: 131,379. Durrans, T. H., and Boake, Roberts, & Co., A. June 3, 1918. Addition to 128,282. Organic acid anhydrides other than acetic anhydride are prepared by mixing anhydrous organic salts of the alkali or alkaline earth metals with phosphorus and treating the mixture with chlorine, the material being used in the proportions of 6 to 8 molecular parts of alkali salt (or 3 to 4 of alkaline earth salt) to 1 atomic part of phosphorus and 3 to 5 atomic parts of chlorine; the products are isolated by distillation or by extraction with a solvent such as carbon tetrachloride. The preparation of phenylacetic anhydride is described in an example; butyric anhydride is also specified. Organic acid chlorides other than acetyl chloride are prepared similarly but using the reagents in the proportions of 3 to 4 molecular parts of alkali salt (or 1¢ to 2 molecular parts of alkaline earth salt) to 1 atomic part of phosphorus and 3 to 5 atomic parts of chlorine; the products are isolated by distillation or by extraction with a solvent. The preparation of benzoyl chloride is described in an example; propionyl chloride is also specified.
Patent GB-452880-A (GB)
Title: Improvements in aeroplanes
IPC: B64C29/00
Filed: 1935-05-03
Abstract: 452,880. Aeroplane with lifting airscrews. SHAMBERGER, G. A., Box 62, R.F.D. No. 1, Shaw, Oregon, U.S.A. May 3, 1935, No. 13189. [Class 4] An aeroplane wing is formed with vertically aligned openings in the upper and lower surfaces, a helicopter airscrew being disposed between the openings and means being pro. vided for opening and closing the openings. Figs. 1 and 2 show an aeroplane having a fuselage A, wings B, and forward propelling means. Aligned openings 5, 6 are formed in the upper and lower surfaces of wings B adjacent to fuselage A and between successive wing ribs B". Openings 5 are adapted to be partially closed in normal flight by leading edge flaps 26 pivoted at 27 ; spring means associated with the pivots urge the flaps toward the dotted line position of Fig. 3. Openings 6 are adapted to be completely closed by flaps 33 pivoted on a fore-and-aft line to the innermost rib B<11>. Flaps 26 are actuated by a pulley 28 on which are wound cords 29, 30 respectively which pass over pulleys 31 and are secured to horns 32 on the inner side of the flaps. Rotation of the pulley 28 in one sense permits opening of the flap under the influence of its spring hinges and in the other sense closes the flap. Flaps 33 are opened and closed by pull and push rods 36 attached at their inner ends to diametrically opposed points on pulley 28 and at their outer ends to horns 35 on the flaps. Flaps 33 are thus also controlled by rotation of pulley 28. Helicopter airscrews 24 are mounted centrally between openings 5, 6 and are driven in opposite senses by shaft and bevel gearing shown from an independent engine 15, a clutch 16 being interposed in the transmission. According to modifications the openings 5, 6 may be closed by flexible covers arranged on rollers. Reference has been directed by the Comptroller to Specifccations 29652/10 and 226,378, [both in Class 4].
Patent GB-780008-A (GB)
Title: Injection device for subcutaneous injections
IPC: A61M5/46
Filed: 1954-05-06
Abstract: 780,008. Hypodermic injection devices. PALMER, C. J. S. Aug. 8, 1955 [May 6, 1954], No. 13207/54. Class 81. (2). An injection device comprises a handle having a guideway in which a holder for a hypodermic syringe is longitudinally movable, an abutment, with a central notch for the passage of a hypodermic needle, projecting from one end of the guideway and inclined away from the holder, spring means to urge the holder towards the abutment and means for holding the holder in retracted position. An abutment 5, having a notch for the passage of a hypodermic needle 25 of a syringe 3, is fixed to a plug 11 which is slidable in one end of the guideway 1 and is secured by a screw 13 projecting through a slot 12 in the guideway 1. A syringe holder 4 slidable in the guideway 1 contains a tension spring 16 connected at one end to the front end of the syringe holder 4 and at the other end to a pin 15 fixed in the guideway 1. The syringe holder 4 is retracted against the spring 16 by a pin 17 extending through slots 18 in the guideway 1 and holes in the holder 4 and is held in retracted position by the engagement of a seat 22 on a spring-pressed trigger 20. In use the abutment 5 is placed against the skin and on release of the trigger 20 the syringe 3 is moved forward by the spring 16 so that the hypodermic needle 25 passes through the notch in the abutment 5 and pierces the skin. The injection is then made by the plunger 26.
Patent GB-883811-A (GB)
Title: Improvements relating to photopolymerization
Inventor: EVANS HELENE DONN
IPC: G03F7/029
Filed: 1960-04-13
Abstract: Unsaturated polymerizable organic compounds are polymerized by contacting them, in the presence of a compound containing a peroxy linkage, with an irradiated ferric compound which, on irradiation with radiation having a wavelength of from 10-1 to 10-10 cm., gives rise to ferrous ions.  Polymerizable compounds specified are acrylamide, methacrylamide, N-ethanol acrylamide, acrylic and methacrylic acids, calcium acrylate, acrylonitrile, methyl and ethyl acrylates, methyl methacrylate, vinyl acetate, butyrate and benzoate, vinyl isopropyl and vinyl butyl ethers, vinyl pyrrolidone and mixtures of ethyl acrylate and vinyl acetate and acrylonitrile and styrene.  The above compounds may be polymerized in admixture with small amounts of compounds containing at least two terminal vinyl groups, e.g. divinyl benzene, methylene-bisacrylamide, triallyl cyanurate, divinyl ketone and diglycol diacrylate.  Ferric compounds specified are the salts, including ferric ammonium salts, of common organic and inorganic acids and ferric hydroxide, preferred being ferric oxalate, ferric ammonium citrate and potassium ferrioxalate. Peroxy compounds specified are aliphatic and aromatic peroxides and hydroperoxides, aliphatic and aromatic per-acids and esters thereof and ammonium persulphate, preferred being cumene hydroperoxide, di-tert-butyl peroxide and hydrogen peroxide. Polymerization may be carried out in bulk, in an aqueous medium which may contain a colloid carrier for the ferric compound, e.g. gelatin, polyvinyl alcohol, casein, glue, carboxymethyl cellulose, starch or saponified cellulose acetate, or in solution in methanol.  The monomer, iron compound and peroxy compound may be brought together in any order, for example, all three may be mixed and then irradiated, or the monomer and iron compound may be mixed and irradiated and then treated with a peroxide.  The polymerizing radiation may be ultra-violet or visible light, gamma rays or X-rays.  The examples describe the polymerization of mixtures of acrylamide and methylene-bis-acrylamide.  The process may be used in the production of polymeric photographic images, in which case the photo-polymerizable composition is coated on a suitable support.
Patent GB-619519-A (GB)
Title: Improvements in or relating to self winding cable and like reels
IPC: B65H75/38
Filed: 1946-05-02
Abstract: 619,519. Cable &c. drums. RUSHWORTH, D. May 2, 1946, No. 13249. [Class 99 (ii)] [Also in Group XXX] A self-winding reel comprises a drum A on to which a predetermined amount of cable is wound; a spring (or springs) G to rewind the cable B, and a chamber forming part of the drum (e.g. drum interior E) to hold sufficient additional cable led into the chamber through a fixed opening to permit of the drum being turned to unwind all the cable thereon. The drum may rotate about axle C which is mounted in bracket D and which may be hollow so that the cable is wound therearound and passes out through its centre. Alternatively, the spring may be situated inside the drum A and the cable wound around a bobbin on the axle C inside G. It may be used for electrical cable or fluid pressure hose to avoid providing electrical contacts or unions.
Patent GB-133222-A (GB)
IPC: H02H7/09
Abstract: 133,222. British Thomson - Houston Co., and Haigh, F. A. Dec. 12, 1918. Dynamos, regulating; motors, controlling.-To prevent the voltage of a dynamo or motor from rising when the main switch or circuit-breaker 3, Fig. 1, is opened, an extra winding 1 on the field magnet is connected across the armature by an auxiliary switch 4 and opposes the main shunt winding 2. When the main switch is closed, the switch 4 opens and cuts the winding 1 out of circuit. In a modification, particularly applicable to a variable-speed motor, Fig. 2, the auxiliary winding 1 is not cut out of circuit when the switch 3 is closed, but is joined across the whole or a portion of the series starting resistance 6 so as to provide a strong field at starting. On failure of the supply, a voltage relay may be arranged either to operate the switch 4 directly or to actuate the main circuit - breaker. Where independent switches or circuit-breakers are used on both the positive and negative lines, a mechanical or electrical device is used to operate the auxiliary switch.
Patent GB-1336754-A (GB)
Title: Push-type mechanical pencil with lead advancing means
IPC: B43K21/16
Filed: 1971-05-05
Abstract: 1336754 Retractable mechanical pencils DAI NIHON BUNGU KK [trading as JAPAN STATIONERY CO Ltd] 5 May 1971 [6 May 1970 (2) 22 May 1970] 13322/71 Heading B6P In a retractable mechanical pencil of the clutch type, a latching member 50 is movable between two portions of the pencil barrel 18 and 19, having different diameters and defining an annular shoulder therebetween. When the pencil is projected, the latching member 50 moves from the smaller diameter portion, Fig. 2A, to the larger diameter portion (Fig. 2B). To retract the pencil, it is initially advanced still further so that the latching member enters a slidably mounted annular guide 53. On allowing the pencil to return, the annular guide moves rearwardly and abuts the shoulder between portions 18 and 19, whereupon the latching member passes directly into the portion 19 of smaller diameter, which defines the retracted position. In a modification (Figs. 3A to 3D), the latching member (56) is wedge shaped, and the push button (55) has an inclined end which co-operates with the latching member to cause it to tilt.
Patent GB-871460-A (GB)
Title: Control system for electric motors
Inventor: WORTHING NICOLAS
IPC: H02P5/46
Filed: 1958-04-28
Abstract: 871,460. Synchronizing. HARLAND ENGINEERING CO. Ltd. April 22, 1959 [April 28, 1958], No. 13333/58. Class 38 (4). [Also in Group XXXVII] An independently driven frequency converter 4 is connected between the stator and rotor windings of an induction motor 10 whereby the motor is forced to run in unison with the frequency converter. A transformer has its primary windings 13 in series with the stator windings and secondary windings 14 connected to the slip-rings of the frequency converter. A choke 15 draws substantially constant current from the supply 2 and passes it to third windings 16 of the transformer so that additional excitation current is injected through the frequency converter into the rotor of the motor. This improves the power factor of the system and renders the slope of the torque/speed error characteristic more uniform. A system for two motors 10, 10a is shown, each motor driving a section of a paper-making machine. Each frequency converter is coupled through an infinitely variable ratio transmission 23 with a shaft driven by motor 25 which is supplied from main generator 26. The speed relationships between the motors 10, 10a are determined by the speeds of the associated frequency converters, whilst the overall speed of the machine is controlled by varying the frequency and voltage of the supply 2. Each induction motor is started by an auxiliary generator 27 providing an increasing frequency and voltage, the rotor circuit being shortcircuited by switches 29 across the slip-rings of the frequency converter, the switch 30 being opened and the switch 28 closed. A synchronizing device 31 comprises a pilot motor 32 for comparing the frequency of the generator 27 with the rotor frequency of the induction motor 10 transmitted through transformer 36 and the frequency converter to the rotor of the motor 32. A regulator 39 for the speed of the generator 27 is driven by the motor 32 which stops rotating when the compared frequencies are equal. A contact arm 40, attached to the shaft of the pilot motor, closes contacts 41 when the motor 10 and the frequency converter are in the correct phase relationship, a relay 42 being operated when the speed of the induction motor differs only slightly from the predetermined speed of the frequency converter. Response of the relay 42, opens the switches 28, 29 and closes the switch 30 so that the motor 10 is now supplied from the main generator. Resistors may be connected across the slip-rings of the frequency converter to prevent phase-swinging due to sudden changes of load on the induction motor. As shown, the frequency converter has an armature, with a commutator and slip-rings, rotating in an unwound laminated stator. In an alternative construction, an iron ring is shrunk on to the armature after it has been wound and replaces the stator referred to. The induction motor may have its rotor supplied from a polyphase source and its stator windings connected to the frequency converter.
Patent GB-1062193-A (GB)
Title: Mixing and conveying pump
IPC: B01F15/02
Filed: 1964-04-01
Abstract: 1,062,193. Mixing liquids. R. BAUER. April 1, 1964 [May 20, 1963], No. 13352/64. Heading BIC, [Also in Division F1] A mixing and conveying pump, particularly for liquid manure, has a passage in the rotor housing which is connected to a conveying conduit by a cover readily detachable from the housing. A cover 11' connected to a conveying conduit 15' is shown in the position in which it covers a passage 10 in the pump housing 8, thereby causing the pump to discharge liquid from pit 1 into the conduit 15'. The cover and conveying conduit are slidably supported by guides 17, 18 on a protective tube 5 surrounding the pump shaft, so that by means of a handle 21 the cover 11' may be lifted clear of the top of the housing 8. In this position of the cover the liquid in the pit is mixed by the pump, and preferably for this purpose the direction of rotation of the pump shaft is reversed. The axis of the passage 10 is preferably inclined at 45 degrees with respect to the shaft axis. The whole unit is pivotable about an axis 3 on a wheeled carriage 7.
Patent GB-869372-A (GB)
Title: Improvements relating to 4-nitrostyryl-2-sulphonic acid compounds
IPC: C07C303/22
Filed: 1958-04-28
Abstract: A process for the production of 4-nitrostyryl-2-sulphonic acid-aryl compounds of the general formula:  <FORM:0869372/IV (b)/1> wherein Ar represents an aromatic radical or heterocyclic radical of aromatic character is characterised by condensing at temperatures of over 100 DEG C., 4-nitro-1-methylbenzene-2-sulphonic acid in the form of an alkali metal salt, an alkaline earth metal salt or a salt with a saturated organic nitrogenous base which salt either melts or is soluble in organic solvents with an aromatic aldehyde or heterocyclic aldehyde of aromatic character in the presence of a saturated secondary base as condensing agent, the condensation preferably being performed in the presence of hydrophilic organic solvents.  In a modification of the process the aldehyde may be used in the form of its condensation product with 2 mols of secondary amine.  Examples of saturated organic nitrogenous bases specified are dimethylamine and piperidine. Solvents mentioned include amides of formic and acetic acids and saturated organic sulphones and formamide being preferred. Alkali metal and alkaline earth metal salts specified include sulphoxides, dimethyl sulphoxide and dimethyl those of lithium, sodium, potassium, beryllium and magnesium.  Aldehydes employed in the process may contain as substituents halogen, alkyl, alkoxy, cyano, alkyl or aryl sulphone-, tertiary sulphonic acid amide, nitro, acylamino, sulphonic and dialkyl-amino groups, specific examples being benzaldehyde, 4-acetylamino-2-methoxy benzaldehyde, thiophene-2-aldehyde pyridine-2-aldehyde, benzaldehyde 2-sulphonic acid and p-dimethyl amino benzaldehyde, isophthaldehyde and terephthaldehyde.  Examples Examples are furnished relating to the production of sodium salts of 4-nitrostilbene-2-sulphonic acid, 4-nitro-41-acetylamino-21-methoxyand ethoxy stilbene-2-sulphonic acids, 1:4-bis (21-sulpho-41-nitrostyryl)-benzene, 2-[41-nitro -21-sulphonic acid-styryl]-thiophene and -pyridine, 4-nitro-21-ethoxy- and 4-nitro-21-ethoxy-31 -methoxystilbene-2-sulphonic acids, 4-nitro-41-methyl -stilbene-2-sulphonic acid, 41-nitro-2141 -dimethylstilbene-2-sulphonic acid, 4-nitrostilbene-2-21-disulphonic acid and 4-nitro-41-dimethylaminostilbene-2-sulphonic acid.  The products of the process may be employed as starting materials for the production of optical brightening agents.  Specifications 668,200, 718,962 and 779,842 are referred to.
Patent GB-968172-A (GB)
Title: Improvements in carburetting devices for internal combustion engines
Inventor: MENNESSON ANDRE LOUIS
IPC: F02M17/09
Filed: 1963-04-04
Abstract: 968,172. Spray carburetters. SOC. INDUSTRIELLE DE BREVETS ET D'ETUDES S.I.B.E. April 4, 1963 [April 7, 1962], No. 13424/63. Heading F1B. An eccentric choke valve 3, which is opened by the air flow and is connected to a fuel metering valve 4, is at slow running held stationary against an adjustable abutment 20 by means 17 operated by the main throttle valve 2. The means 17 comprise a lever on the throttle spindle 6 carrying an adustable stop 18 adapted to move a lever 19 on the choke valve spindle 8 against the abutment 20 when the valve 2 moves to the slow running position. Adjustment of the stop 18 varies the slow running fuel-air ratio. Specification 958,915 is referred to.