baber/WOPTO huggingface dataset:
Patent GB-717445-A (GB)
Title: Improvements in or relating to preparation of thiamin chloride hydrochloride
Filed: 1952-07-10
Abstract: Thiamin chloride hydrochloride is obtained by chlorinating thiamin bromide hydrobromide with gaseous chlorine in the presence of a bromine absorber, e.g. a phenol, a keto acid or ester, an aromatic amine, a heterocyclic nitrogen compound, an aromatic hydrocarbon or an olefinic hydrocarbon.  The chlorination may be effected in aqueous solution and the bromine absorbent may be recovered by solvent extraction.  Examples disclose the use of phenol, acetoacetic ester and pyridine as bromine absorbers.
Patent GB-794579-A (GB)
Title: Improvements in or relating to the making of deposited films in desired patterns
Inventor: BOUNDS PETER
IPC: H01B1/00
Filed: 1955-06-17
Abstract: An electrical resistor is made by depositing a metallic film, such as gold or gold-platinum alloy, on to a glass base, scraping off some metal to form a stencil, depositing a metallic oxide resistive film over the stencil and dissolving away the stencil with aqua regia thereby removing the overlying material and leaving a long path of resistive film.  The metallic oxide film may be deposited by spraying the halide solution of a metallic salt on to the hot base, the base may be suspended in a furnace and sprayed from below.  The solution may be heated while spraying and the resultant film may comprise stannic oxide with an admixture of antimony, bismuth, or indium oxide.  A final coating of epoxy resin may be applied and cured by heating.
Patent GB-674499-A (GB)
Title: Improved fluid torque converter
IPC: F16H45/00
Filed: 1950-07-14
Abstract: 674,499. Hydraulic torque converters. GENERAL MOTORS CORPORATION. July 14, 1950 [July 30, 1949], No. 17633/50. Class 69 (ii). A fluid torque converter comprises vaned impeller and rotor members each having auxiliary vanes with concave and convex surfaces such that the concave surfaces of the respective sets of vanes face one another so as to be capable of transmitting energy from the rotor to the impeller. The driving shaft 6 is attached to a plate 10, drum 12, hub 16, and impeller 14. A second impeller 18 carried by the hub 16 on an overrunning clutch 20 can rotate faster but not slower than the primary impeller 14. The driven shaft 8 is splined in a hub 24 of the rotor 26. Reaction members 28, 30 are mounted on a hub 32 of a member 34 fixed to the casing 2 by means of overrunning clutches 36, 38 so that they may travel in the same direction as the impeller 14 and rotor 26 but not in the reverse direction, thus permitting the torque converter to operate as a fluid coupling under certain conditions. Auxiliary impeller vanes 40 are secured to the rotor 26 and auxiliary rotor vanes 42 are secured to the impeller 14, these vanes together with the semi-toroidal members 44 and 46 to which they are attached, forming an auxiliary fluid circuit, the impeller vanes 40 being at a greater radial distance from the axis of the converter than the rotor vanes 42. The vanes ate convex-concave, the concave face of the impeller vanes and the convex face of the rotor vanes, facing the direction of rotation. Under normal conditions when the primary impeller 14 is driving the rotor 26, and the vanes 42 are travelling faster than the vanes 40, the convex surfaces of the two sets of vanes approach each other and there is a minimum of energy transfer from the vanes 42 to the vanes 40. When the rotor 26 is overrunning the impeller 14, the vanes 40 travel faster than the vanes 42, the respective concave surfaces approaching each other, thus producing an efficient transfer of energy between the vanes. The auxiliary impeller 40 therefore drives the auxiliary rotor 42 and hence the primary impeller 14, this being useful to brake the driving means or to start the driving means by rotation of the primary rotor.
Patent GB-1459152-A (GB)
Title: Tyre pressure alarm equipment incorporating a magnetic responsive  element
IPC: B60C23/04
Filed: 1974-03-05
Abstract: 1459152 Low pressure indicating systems for vehicle tyres KANTO SEIKI CO Ltd 5 March 1974 17664/75 Divided out of 1459151 Heading B7C The subject matter of the present Specification is identical with that of Specification 1,459,151, but the claims are concerned with the receiver 7 comprising a casing housing a magnetically responsive element (46) (Fig. 2, not shown), e.g. a reed contact unit (as shown in Fig. 2), a generator coil, a magnetic diode, or a Hall generator, the element being retained out of contact with the casing by insulating fillers (52, 53, 57 and 58).
Patent GB-727301-A (GB)
Title: Automatic tuning device
IPC: H03J7/16
Filed: 1953-06-26
Abstract: 727,301. Automatic tuning. STANDARD TELEPHONES & CABLES, Ltd. June 26, 1953 [June 28, 1952], No. 17742/53. Addition to 727,000. Class 40 (5). The invention relates to the mode of tuning the tank circuit of a radio-transmitter described in the parent Specification and consists in a modification of the coupling between the diodes 10, 11 and the thyratron 20. A motor M traverses condenser 3 to one extremity of its range when limit switch 7a momentarily operates to discharge condenser 8, and reversing switch 6 operates to reverse the motor M. The condenser is then traversed to its other extreme value and the output of circuit 1, 3 is applied over diode 11 to negatively charge condenser 8 to the maximum value obtained when circuit 1, 3 is tuned to the frequency put in from 2. At this other extreme value of condenser 3, reversing switch 6 is actuated, and a limit switch 14 is momentarily closed to energize relay 15 which holds on over contacts 16, 17 and which opens contact 19, thus placing discharge tube 20 under control of the potential of 22. The condenser 3 is now traversed back over its range, and when it reaches the value at which the circuit 1, 3 is in resonance with the input frequency from 2 the positive potential from 10 is equal to the negative potential stored at 8, so that the bias from 22 applied to tube 20 becomes zero, and tube 20 fires to actuate relay 18, which opens the motor circuit at 21, closes contacts 23 to prepare the next stage for tuning and releases relay 15 by opening contact 17. To compensate for inertia of the motor M, potentiometer 22 may be adjusted so that tube 20 fires just before condenser 3 reaches the value corresponding to resonance of circuit 1, 3.
Patent GB-1338723-A (GB)
Title: Digital speech compression
IPC: H04B1/66
Filed: 1971-05-28
Abstract: 1338723 Digital speed compression systems COMMUNICATIONS SATELLITE CORP 28 May 1971 [5 June 1970] 17798/71 Heading G4H [Also in Division H4] In a digital speech compression system in which the analogue voice signal is repeatedly sampled (at the Nyquist rate) and digitized in an analogue/digital converter 1 (Fig. 1), the digital output signals S 0 , S 1  ... are converted into groups of N parallel words S 0 , S 1 ... S N-1  which are fed to Fourier transform circuit 3, the resulting N words f 0  ... f N-1 , representing the frequency components of the input signals, being re-encoded, by a number of bits dependent on the variance of the frequency components, and transmitted to a receiver 6. At the receiver the coded signals are fed via a decoder 7, inverse Fourier transform circuit 8, parallel to serial converter 9 and digital/ analogue converter 10 to reconstitute the analogue voice signal.
Patent GB-1302660-A (GB)
IPC: G06K15/10
Filed: 1971-05-28
Abstract: 1302660 Selective signalling INTERNATIONAL BUSINESS MACHINES CORP 28 May 1971 [29 June 1970] 17804/71 Heading G4H Apparatus for detecting errors in a pulse train made up of a series of groups of pulses, each group being required to contain a predetermined number (e.g. 7) of pulses separated from one another by a predetermined interval, comprises a generator arranged to generate a signal when the interval between successive pulses exceeds the predetermined interval (in the disclosure, this occurs at the end of each group), a counter arranged to count successive pulses up to the predetermined number, reset means to reset the counter when its count reaches the predetermined number and an error signal generator adapted to generate an error output in response to the occurrence of the signal in the absence of a count of the predetermined number in the counter. As disclosed, in a wire printer, the print head has a column of 7 print wires, a combination of which is actuated during each of selected pulses of a group of 7 pulses generated by a toothed-wheel emitter rotating in sync. with horizontal head movement, to build up a character as a matrix of dots. During start-up of movement of the head, when the interval between successive pulses is larger, the error signal generator is inhibited until a count of 3 in the counter. The error signal generator is also inhibited during high-speed movement of the head (e.g. in tabbing), the inhibition being removed when the following events have occurred in succession: (a) end of the highspeed operation, with beginning of slow down, (b) the "exceeds predetermined interval" signal, (c) a count of 3 in the counter. Printing may be stopped after one (or another predetermined number of) error signals in printing of a line.
Patent GB-546027-A (GB)
Title: Manufacture of water-soluble acylbiguanides of high molecular weight
IPC: D06P5/13
Filed: 1940-12-20
Abstract: 546,027. Emulsifying agents. GEIGY AKT.- GES., J. R. Dec. 20, 1940. Nos. 17941 and 17942. Convention dates, Dec. 21, 1939, and April 11, 1940. [Class 1 (i)] [Also in Group IV] Acylbiguanides derived from aliphatic hydroaromatic or alicyclic carboxylic acids having 9-19 carbon atoms in the molecules and in which the hydrogens of the NH 2  group may be replaced by aliphatic araliphatic, alicyclic, aromatic, hydroaromatic or heterocyclic' residues or be replaced by substituents forming a ring, are rendered water soluble, by conversion into (a) salts by means of organic acids ; (b) sulphonic acids by means of sulphonating agents ; or (c) quarternary ammonium salts by alkylation or aralkylation. The hydrogen atoms of the basic nitrogen atoms in the starting material may be substituted by alkyl or aralkyl groups. The products exhibit capillary active properties and may be used as emulsifying agents. In examples: (1) laurylphenyl, lauryl-O-tolyl, lauryl-p-methoxyphenyl and lauryl-O-ethoxy phenyl biguanide are methylated and then sulphonated (2) laurylhydroxyethyl biguanide is made soluble by treating with dimethylsulphate; (3) lauryltriaminotriethylene-biguanide is converted into a salt with acetic acid and converted ino a quaternary salt with dimethylsulphate, the former product and the correspending lactate render direct dyeings fast to water ; (4) stearylphenyl-. stearyl-N-methylphenyl- and stearylhydroxyethylphenyl-biguanides are methylated and sulphonated; (5) stearyl-dimethylphenylbiguanide is sulphonated; (6)' stearyltriamino triethylenebiguanide is converted into its citrate and into quaternary ammonium salt with dimethylsulphate or with dimethylsulphate and benzylchloride; (7) the biguanide obtained from stearylcyanguanidine and ethylenediamine is methylated : (8) stearylhydroxyethylbiguanide is methylated with dimethylsulphate. For alklation, ethylene oxide, alkyltoluenesulfphonates and methylchloride may be used.
Patent GB-1425211-A (GB)
Title: Electrical components
IPC: H05K13/00
Filed: 1973-04-13
Abstract: 1425211 Capacitors SPRAGUE ELECTRIC CO 13 April 1973 [13 April 1972] 17977/73 Heading H1M In an electrical component, e.g. as shown a ceramic capacitor, wherein end surfaces of the component body have metallised coatings to provide for electrical connections, leads 11, 12 for connection to the metallised coatings comprise wires extending at right angles to portions 11a, 12a whose dimensions are such that when placed in the contacting position against the end surfaces, portions of their contacting surfaces remain exposed, whereby, when the leads are soldered to the end surfaces, there is solder between the said exposed portion and also on portions of the metallizing extending on to the side surfaces of the body. This helps to secure the lead to the body and the contacting portions 11a, 12a further provide keying means for encapsulation applied over the assembly.
Patent GB-564356-A (GB)
Title: An improved method of, and apparatus for, drying, and if desired also conditioning, paper in the continuous manufacture of same
IPC: D21F5/00
Filed: 1942-12-19
Abstract: 564,356. Drying and conditioning paper. HALL & KAY, Ltd., KAY, H., and HALL, S. Dec. 19, 1942, Nos. 18077/42 and 821/44. [Class 96] Paper leaving the press rolls 7 of a paper-making machine is heated by moist air to drive moisture from the interior of the paper to the surface without allowing the surface to dry. The web 8 is carried by a felt 10 through a chamber 9 supplied by a fan 13 with moist air which is drawn from the felt dryers 12 and from the chamber 9, and is heated at 17. Provison may be made at 27 for exhausting part of the moist air and at 29 for intake of fresh air. Part of the 'air leaving the heater, 17 is returned to the felt dryers 12. From the heating chamber 9, the paper passes about upper and lower guide rollers 23, 40 and 22, 39 such that each vertical run of the paper passes between two casings 24 as disclosed in Specification 461,342 and for supplying heated air to the lower part of each run and withdrawing air from the upper. The dried paper may be conditioned by air from similar casings 50 as it passes between further upper and lower guide rollers 49, 48, the paper then being passed between tension rollers 56 and reeled at 57. In a modification, the web after preliminary heating passes also about a series of dryer drums.
Patent GB-1035987-A (GB)
Title: Stabilised propylene polymers
Inventor: MOELLER HANS
IPC: C08K5/36
Filed: 1963-05-08
Abstract: Propylene polymers contain as stabilizer a mixture of thianthrene or a derivative of thianthrene bearing one or more alkyl groups and/or halogen groups and/or a dioxotrimethylene group di-alkyl substituted in the 2-position, as substituent(s) together with a di - (alkyl - hydroxy - phenyl) - alkane, thiodi - (alkylphenol), di - alkyl - hydroxy - phenyl)-sulphone and/or a benzophenone substituted by one or more hydroxy and/or alkoxy groups. The propylene polymer may be a homopolymer or a copolymer with other olefines, e.g. ethylene, butene-1, butene-2 and pentenes.  Optional ingredients include ultra-violet stabilizers, polyethylene, polyisobutylene and dyes, pigments and fillers, e.g. carbon black.  The stabilizers used in the examples are 4,41-thio-di-(3-methyl-6-tert.-butylphenol) with thianthrene, dimethylthianthrene isomer mixture, 4,5-dichlorothianthrene or 1,2-(11,31-dioxo-21,21-diethyl -trimethylene) - thianthrene; methylene - di - (3-methyl-6-tert.-butylphenol) with dimethylthianthrene isomer mixture; and di-(3-tert.-butyl-4-hydroxyphenyl)-sulphone or o,p,p1-trimethoxybenzophenone with dimethyl - tert.-butylthianthrene isomer mixture.  Other thianthrenes specified are 2,7- and 3,7-dimethylthianthrene and tert.-butylthianthrene.  The stabilized polymers are suitable for producing films, sheets, housewares, casing and toys.
Patent GB-593949-A (GB)
Title: Improvements in or connected with hinges
IPC: E05D11/04
Filed: 1945-07-16
Abstract: 593,949. Hinges. KING, A. E. July 16, 1945, No. 18112. [Class 65 (ii)] A hinge, particularly for use with a heavy door such as the door of a cold chamber and which is adapted to permit the door being adjusted vertically and/or horizontally, comprises a plate 1 having a pair of spaced knuckles 4 and 5 and adapted for fixing to the frame, a member 9 slidably carried by the lower knuckle, a hinge pin 6 slidably mounted in the upper knuckle and engaged with the slidable member, a strap 13 for carrying the door and having an eye 14, of less length than the distance between the knuckles, rotatably mounted on the hinge pin and resting on the slidable member, and means for moving the slidable member axially comprising a screw-threaded stem 10 formed on the said member and co-operating with a screwthreaded hole in the lower knuckle, whereby the door can be adjusted vertically. The strap is slidably carried by two brackets 19 and 20 adapted for fixing to the door, the outer bracket comprising a box-like member 24 mounted on a pivot pin 23 which is carried by projecting ears 21 and 22. A screw-threaded stem 18 formed on the strap carries nuts 28 and 30 which, by co-operating with the box-like member 24, enable the door to be adjusted horizontally. The inner bracket carries a screw 33 which bears against the strap and enables the latter to be adjusted in relation to the face of the door.
Patent GB-868171-A (GB)
Title: Improvements in or relating to infinitely variable friction gearing
IPC: F16H15/52
Filed: 1959-05-28
Abstract: 868,171. Variable-speed gear. MAICHEN, K. May 28, 1959 [May 30, 1958], No. 18200/59. Class 80 (2). The infinitely variable friction gearing shown in Fig. 1 comprises cones 12 splined on radial pins 10 journalled in a driving cage 8, the cones being urged outwardly by centrifugal force into frictional engagement with a non-rotatable axially-adjustable member 26. Bevel gears 23 on the pins 10 mesh bevel gears 24, 25 on shafts selectively clutchable to an output shaft 13 to give forward and reverse. Member 26 is adjusted axially to vary the gear ratio by oil supplied to a chamber A by an input driven pump 30 under the control of a valve 37. The pins 10 are mounted in the cage by means of eccentric bushes 11 which enable the pins to be accurately aligned. In the gearing of Fig. 2, cones 52 are splined to radial arms 50 mounted in a cage 48 geared to an input shaft 47 and are urged centrifugally outwardly into frictional engagement with an axially adjustable member 66 splined to an output shaft 53. Bevel gears 63 on the pins 50 mesh bevel gears 64, 65 on shafts 55, 56 selectively stationed by pins 57, 58 to give forward and reverse. Driven member 66 is adjusted by a nut 59 acting through thrust pins 45 and a bearing 60.
Patent GB-1001335-A (GB)
Title: Fluid bearing
Inventor: FOGLIA SEBASTIEN
IPC: F16C32/06
Filed: 1964-05-01
Abstract: 1,001,335. Bearings. COMMISSARIAT A L'ENERGIE ATOMIQUE. May 1, 1964 [May 21, 1963], No. 18202/64. Heading F2A. A fluid bearing has a shaft 10 in bush 1 which is mounted in a block 2 and is retained therein by a nut 3. The bush 1 has two circumferential spaced-apart rows of ports 6, each of which opens into a radial channel 8. The channels 8 of one row are each connected to a respective channel 8 of the other row by a longitudinal groove 9. A chamber 4 is formed between the bush 1 and the block 2. In use, pressurized fluid is supplied to the chamber 4 via an inlet 5, is passed through the ports 6 to the channels 8 and grooves 9 and escapes through spacers 13 formed between the channels 8.
Patent GB-1472884-A (GB)
Title: Crystal oscillator modulating circuit
IPC: H03B5/32
Filed: 1974-04-25
Abstract: 1472884 Frequency modulators MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 25 April 1974 [27 April 1973] 18217/74 Heading H3R A crystal oscillator modulator circuit comprises an inductor L1 and a variable capacitance diode D1 connected in series with a crystal X 1  and an inductor L3 connected in parallel with the crystal and serving to reduce the non-linear characteristic of the diode. A damping resistor R1 may also be connected in parallel with the crystal.
Patent GB-200351-A (GB)
Title: Improvements in or relating to head-lights
IPC: H01K1/26
Filed: 1922-07-03
Abstract: 200,351. Naamlooze Vennootschap Philips' Gloeilampenfabrieken, Lely, D., and Filippo, H. July 3, 1922. Drawings to Specification. Bulbs.-For giving reduced dazzle, a reflector headlight for vehicles has as its light source an electric incandescent lamp the vitreous container of which consists of opal glass or of glass composed of two or more layers melted together, one at least of the layers being of opal glass. The innermost layer may be of clear glass and the reflector and lens or cover glass of the headlight may also be of clear glass.
Patent GB-802719-A (GB)
Title: Improvements in or relating to garment protectors
IPC: A41D27/12
Filed: 1957-06-07
Abstract: 802,719. Garment protectors. MEAKER, B. June 7, 1957, No. 18280/57. Addition to 785,792. Class 141 In a detachable lining for the crotch portion of trousers &c., as described in parent Specification 785,792, comprising a strip 2 of nylon &c., provided with loops 4, 10 at its ends and with lateral extensions 2c adapted to extend a short distance along the trouser legs, button holes 3 are provided in the extremities of the extensions 2c for attachment to buttons on the inside of the trouser legs.
Patent GB-111917-A (GB)
Title: Improvements in the Construction of Harrows.
Inventor: NEILSON ROBERT MORRISON
IPC: A01B19/02
Filed: 1916-12-21
Abstract: 111,917. Neilson, R. M., (Brownlie, T. A. M.). Dec. 21, 1916. Harrows.-In harrows of the kind comprising a front bar provided with traction hooks and the like, a parallel rear bar, and vertically flexible tine-carrying members extending between the front and rear bars, the individual tine-carrying members are arranged so as to be free to flex independently in an up and down direction, being wholly unconnected except by the front and rear bars, or as shown in Fig. 1, being connected only by a series of loosely riveted transverse bars k constituting a single intermediate transverse connexion allowing play at the joints. Means for adjusting the inclination of the tines are described. The vertically flexible tine carrying members are arranged in oppositely inclined sets as shown and comprise bars d alternating with, and pivotally connected to, plates b between which the tines c are secured. The tines may be fixedly riveted to the plates b or may be pivoted thereto and the inclination thereof rendered adjustable. For this purpose, the tines are extended upwards as shown in Fig. 5 and connected to a series of articulated links v adjustably connected by a screw stud wand nut y to a plate x on the front or rear cross bar a or g. The several sets of articulated links v may be individually connected to the plate x or they may be secured to a single transverse bar carrying the adjustable connexions to the plate x. Instead of the screw and nut connexion, the arrangement shown in Fig. 6 may be utilized. Specification 24931/08 is referred to.
Patent GB-1440531-A (GB)
Title: Cine projection screen assembly
IPC: G03B21/58
Filed: 1974-04-26
Abstract: 1440531 Pivots MECHANISCHE WEBEREI GmbH 26 April 1974 [27 April 1973] 18394/74 Heading E2F [Also in Division G2] A roller blind cine screen 16 is connected by a joint 12 to a carrier arm 10, joint 12 enabling the screen to be pivoted about both horizontal and vertical axes to a desired angle. As shown, when unrolled screen 16 extends between tubes 14 and 18 and is held taut by arms 20, 22 hinged together at 26 for folding, the bottom end of arm 22 slidably supporting a guidepiece 21 which carries tube 18 and is adjustable by a screw handle 28 to tighten the screen. The top end of arm 20 is pivoted at 24 to a bearing 50 fixed to an arm 48. The tube 14 is fixed to a bearing 46, which together with arm 48 is fixed to a hub 44 (Fig. 2). Hub 44 is fixed to a pin 42 which is rotatable about a horizontal bolt 47 and is maintained in the position in which it's set by means of springs 51 acting on braking discs 54. Belt 47 is carried by a sleeve 38 which is itself carried by a pin 34. Pin 34 is vertically rotatable relative to the carrier arm 10 and is maintained in the position in which it's set by means of a gripping plate 39 and braking pad 40. The blind itself has a brake 59, 63.