baber/WOPTO huggingface dataset:
Patent GB-532128-A (GB)
Title: Improvements in or relating to electric circuit breaking devices
IPC: H01H85/36
Filed: 1939-07-13
Abstract: 532,128. Automatic circuit-breakers. CROMPTON PARKINSON, Ltd., and ASTBURY, H July 13, 1939, No. 20466. [Class 38 (v)] [Also in Group XXXVI] An oil-immersed fuse is enclosed in a chamber having lateral apertures so that gases generated on fusion of the fuse pass across the path of the arc. the fuse wire being under light spring tension which is increased on blowing of the fuse by means of a toggle mechanism such as described in Specification 333,207, [Class 38 (v)]. The chamber is built up of apertured plates 31. 32 some of which have a slot 35 communicating with the aperture 34 to form the lateral apertures. The fuse wire 36 may be supported between a fixed electrode 16 and a movable electrode 17 connected by the toggle mechanism 18 to a spring, and the electrode 17 may cover some of the apertures 35. The electrode 17 is guided in apertures in end plates 20 or in similar apertures in some of the plates 32. Metal plates may be interposed at intervals between the plates 31, 32 to divide the arc. When the fuse blows the mechanism 18 may actuate a trip lever 19 to allow the chamber to drop under the action of a spring 14 to open contacts 5, 6 and also to allow the bar 7 to drop and open contacts 10, 11 as described in Specification 333,206, [Class 38 (v)]. This action may open all phases when the fuse blows in one phase only. If the apertures 35 are directed downwardly, vents may be provided at the top of the chamber to prevent air from being trapped when the oil is introduced. In a modification the fuse wire extends across a cylindrical chamber with axially directed slots at one end, the wire being carried by terminals one of which is mounted on a leaf spring associated with a toggle mechanism.
Patent GB-1061394-A (GB)
Title: Improvements to diaphragm breather valves
IPC: F16K24/04
Filed: 1964-05-19
Abstract: 1,061,394. Valves. S. A. SAXTON. July 19, 1965 [May 19, 1963], No. 20507/64. Heading F2V.  A breather valve comprises a diaphragm 42 having a conical part 42a and a periphery 42c initially coned in the opposite direction but deformed as shown by a pin 43 fixed to a housing member 39 and abutting a metal cup 44 located in a boss 42b on the diaphragm. In the normal position shown, the diaphragm engages an outer annular seat 33 and is spaced from an inner annular support member 36. If the pressure within the controlled chamber rises beyond a predetermined value it lifts the diaphragm from the seat and thereby vents the chamber. If the chamber pressure falls below a predetermined value, the diaphragm is distorted to engage the support member, which distortion lifts the diaphragm from the seat. The housing member may be a push-fit on the seat body member 30 or secured thereto by set-screws; alternatively the two parts may be in threaded engagement. The diaphragm may be flat and the pressures at which it lifts may be determined by its weight, by a screw (23) (Fig. 1, not shown), by a spring or by its initial distortion.
Patent GB-502777-A (GB)
Title: Improvements in or relating to closure devices for bags and like receptacles
IPC: A45C13/06
Filed: 1938-07-11
Abstract: 502,777. Hinges. LAMARTHE, A. E. July 11, 1938, Nos. 20521 and 20522. Convention dates, July 28, 1937 and Jan. 13, 1938. [Class 65 (ii)] [Also in Group XVII] Spring closure bands L<1>, L<2>, suitably attached to the mouth of a bag, purse, pouch or like receptacle M, Fig. 10, are connected together at the ends by hinge means A<1>, A<2>, permitting them to be held, when required, in separated, open position. The hinge means shown in Fig. 2 comprise a hexagonal section screw-head 7, Fig. 5, clamped in a sleeve 3 attached to band L<1> and a hexagonal nut 12, Fig. 7, clamped in a sleeve 6 attached to band L<2> and engaging the screw 9 depending from the head. The members are so assembled that the binding action of the nut when tightened on the screw serves to maintain them in the open position shown until pressure is applied to urge the bands towards each other; this unscrews the nuts and the bands then close together. In a modification of this construction shown in Fig. 11 a cylindrical nut 16, clamped in a similarly shaped sleeve 14 attached to band L', carries a screw 19 provided with a head 20; the depending part of this screw is engaged by a cylindrical nut 21 clamped by means of screw 24, 25, in a sleeve 21 attached to band L<2>. In the form shown in Fig. 14, a sleeve 14 attached to band L' and having the lower edge formed with spaced depending teeth is engaged over a tubular inset 28 projecting upwardly from sleeve 15, the upper edge of which has recesses engageable by the teeth in the open position of the bands. The sleeves are held together by plugs 29, 30, connected by a spring 31. Figs. 21, 22 show the parts of a further modified form of hinge adapted to be secured to the bands by rivets passed through holes 38a, 39a. The sleeve parts 40, 41, 42, which are formed with teeth 40a, 42a, adapted to lock them in open position, are held together by a spindle headed or upset at both ends. Sleeve part 42 may be formed in two parts spaced apart by a nut. To maintain a symmetrical shape in the open position spring reinforcements 36, 37, Fig. 17, bearing against the inner surfaces, may be secured to the ends of the bands.
Patent GB-441022-A (GB)
Title: Improvements in and relating to abrasive machinery
IPC: B24B7/17
Filed: 1934-07-13
Abstract: 441,022. Grinding. SABINE, W. H., Glen Roy, Burton Road, Midway, near Burton-on- Trent. July 13, 1934, No. 20534. [Class 60] A machine for grinding bricks, tiles, &c. to reduce them to a predetermined size comprises means for moving the bricks &c. between the faces of pairs of abrading wheels spaced the required distance apart. On a base 10 are three pillars 11, the central one carrying on each end of a shaft therein a grinding-disc 13, and the outer ones each carrying a shaft with a disc 14 thereon ; the distance of the discs 14 from the discs 13 being adjustable by screw &c. gearing operated by a hand wheel 15 to suit the dimensions of the brick &c. being treated. The bricks &c. are secured on a holder 18, which may carry one or more bricks, or may have platforms one above another, and the holder is carried by an arm 19 pivoted at 22 and swung, to carry the bricks between and away from the discs 13, 14, by a connecting-rod 20 attached to a pivoted arm 23, the upper end of which engages in a cam path in a member 25 rotated by a wheel 26 ; the cam path is so shaped that the holder is fed slowly between the discs and is withdrawn quickly with a dwell in each extreme position of the holder 18. The arms 19 are adjustable by screws operated by hand wheels 21 to centralize them between the discs. According to the Provisional Specification, the connecting rod is actuated by a slotted member, oscillated by a crank-pin engaging the slot.
Patent GB-783530-A (GB)
Title: Improvements relating to circuits for the supply of direct current
IPC: G05F1/46
Filed: 1954-07-15
Abstract: 783,530. Automatic current-control systems. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., and STEVENS, S. A. July 8, 1955 [July 15, 1954], No. 20663/54. Drawings to Specification. Class 38 (4). In a system in which several, e.g. 5, rectifiers supply a constant total current to a load or loads (a series of electro-plating baths is suggested), each rectifier having an individual automatic current regulator responsive to the total load current, provision is made for disconnecting one or more rectifiers and increasing the output of the remainder appropriately. A voltage proportional to load current is obtained from a D.C. generator the field of which is connected across a shunt in the load circuit. Each current regulator is connected to a tapped potential divider across the generator armature and the tapping is changed by relays gauged with the circuit breaker of the rectifiers so that disconnection of a rectifier changes the regulators of the remainder to a lower tap, thereby increasing their outputs.
Patent GB-955326-A (GB)
Title: Pharmaceutical compositions containing a salt of glucoheptonic acid
IPC: A61K31/19
Filed: 1962-05-29
Abstract: Magnesium glucoheptonate (a mixture of two enantiomorpho) is prepared by treating d-glucose with sodium cyanide and calcium chloride in aqueous solution to form glucoheptonic nitriles which hydrolyse to calcium glucoheptonates. Upon the addition of magnesium hydroxide, magnesium glucoheptonate precipitates.  It is a laxative and purgative (see Division A5).ALSO:A pharmaceutical composition for oral administration in unit dosage form comprising a non-toxic amount, not less than 4.0 g., of magnesium glucoheptonate (see Division C2) and a pharmaceutical or other edible carrier or diluent. Water is the preferred carrier but the magnesium glucoheptonate may be sprinkled on foods, mixed with sugar in sweets or put up in capsules.  It has laxative and purgative activity.
Patent GB-206209-A (GB)
Title: Improved copying process for making printing plates
IPC: G03F7/14
Filed: 1922-07-28
Abstract: 206,209. Winkler, C. July 28, 1922. Photo-mechanical printing-surfaces; chromogelatin and like processes; films.-In a Playertype copying process for making printing plates from non-translucent originals by reflected light the sensitized surface is carried by a film of celluloid, gelatine, linseed oil &c. and the sensitized layer consists of gelatine, iron ammonium citrate, iron sulphate, iron chloride, iron ammonium oxalate and either manganese or uranium salts together with potassium ferri- or ferro-cyanide. The originals d to be copied are placed on a sheet a of actinic colour and of the size of the forme and over this a sheet c of sensitive film is stretched in a copying frame b. Exposure is made through the film c. The negative is then treated in a preliminary hardening bath of iron ammonium citrate and potassium ferri- and/or ferro-cyanide and finally hardened and dyed. For thick layers an additional preliminary hardening bath of ammonium or sodium chromate may be used. The impression on the stone or plate is made directly from this film.
Patent GB-196564-A (GB)
Title: Improvements in locomotives and similar vehicles provided with tubular air-preheaters
IPC: F23M20/00
Filed: 1922-07-28
Abstract: 196,564. Aktiebolaget Ljungstr÷ms Angturbin. April 18, 1922, [Convention date]. Regenerators. - In locomotive, air for combustion is heated in tubes 12 of a preheater 11 extending below the boiler 1, and is supplied to the furnace by a channel 16. Hot gases trom the boiler pass into the chamber 5 of the partitioned smoke-box 3, and thence pass by a channel 7 to the rear of the preheater, circulate about the tubes 12, and escape by the chamber 6 of the smoke-box. In a modification, air-heating tubes are arranged on each side of a channel which conveys hot gases to the rear of the preheater, after which the gases circulate as before. A sweeping device for the tubes, and an ash collector of known form may be associated with the preheater.
Patent GB-803859-A (GB)
Title: Improved centrifugal governor construction
IPC: G05D13/10
Filed: 1957-07-01
Abstract: 803,859. Centrifugal governors. HEINZMANN, F. July 1, 1957 [July 12, 1956], No. 20755/57. Class 57. Relates to the connecting means between the flyweights and the control member 10 in centrifugal governors comprising a pair of opposed flyweights 1, 1a pivotally mounted at 3 on the rotatable governor body 2 and connected by lever arms 17, 18 to a common traverse rod 9 connected to the axially movable control member 10 coaxial with the axis of rotation of the governor body. In the form of the invention shown in Figs. 1-4, the rod 9 is cylindrical with two opposed parallel flat faces and is rotatably mounted in circular openings 23 in the arms 17 and slidably mounted for movement in a direction transverse to the governor axis of rotation in slots 22 in the arms 18. The rod extends through a circular bore in a flattened bush 12 slidable in a direction transverse to the governor axis of rotation in a slotted opening in the control member 10. Pins 11 locate the rod 9 axially. In operation, as the flyweights, loaded by springs 5, 6 are moved by centrifugal force, the rod 9 follows the arcuate movement of the inner ends of the arms 17 and slides in the slots 22 in the arms 18 to compensate for variations in alignment between the openings 23 and slots 22 and the transverse movement of the rod 9 is accommodated by the bush 12 sliding in the slotted opening in the control member 10. In another form of the invention, Figs. 5 and 6 (not shown), the transverse rod is rotatably mounted in bores in the lever arms and the control member and the lever arms have outer cylindrical portions slidably fitted in bores in the flyweights.
Patent GB-871430-A (GB)
Title: Improvements in and relating to the protection of metals against corrosion
IPC: C23F15/00
Filed: 1957-07-01
Abstract: A method of protecting metals against corrosion due to contact with corrosive vapour of organic solvents, consists in using irrigating means to maintain on a metal surface which would otherwise be exposed to the corrosive vapour, a film of the liquid constituting the liquid phase of the vapour.  The vapour may be that of a chlorinated hydrocarbon such as trichlorethylene.  In a preferred apparatus, a distillation or extraction vessel 1 communicates at its lower end through a filter 2 with a tower 3 through which steam or a hot liquid flows.  The corrosive liquid passes <PICT:0871430/III/1> through a plurality of tubes 4 in which it boils and then it passes through a conduit 5 fitted with a nozzle 6 located in the upper part of the vessel 1 thus maintaining a film of protective liquid on the wall of the vessel.  Alternatively, the liquid may be supplied to the irrigating means by a pump.
Patent GB-968426-A (GB)
Title: Improvements in or relating to carbon dioxide containing fire extinguishing compositions
Inventor: ANDERTON SIDNEY BERNARD
IPC: A62D1/00
Filed: 1962-05-30
Abstract: A liquid fire-extinguishing composition comprises carbon dioxide in solution under pressure, e.g. of 50-300 p.s.i. in 1,1,1-trichloroethane.  Up to 50% (preferably 10-20%) by volume of chlorobromomethane may also be included.
Patent GB-979081-A (GB)
Title: Improvements in or relating to amplifier arrangements for frequency or phase modulated carrier wave signals
Inventor: ROWLAND RAYMOND
IPC: H03F7/04
Filed: 1962-05-30
Abstract: 979,081. Parametric amplifiers. MARCONI CO. Ltd. Dec. 17, 1962 [May 30, 1962], No. 20835/62. Heading H3B. In a frequency or phase modulated amplifier arrangement, including a degerate parametric amplifier P and a coupler C having at least three parts, the pump frequency is modulated by signals derived by demodulating the output from the amplifier arrangement, so that modulation of the idler frequency due to modulation of the pump frequency substantially cancels out that caused by modulation of the incoming carrier. Frequency or phase modulated signals #sŒ## are applied to port C1 of circulator C (e.g. a strip-line ferrite circulator). The output from port C3 is mixed with the output from a local oscillator 3, amplified and demodulated to give a " baseband " signal. Part of this output is used to modulate the output from pump frequency oscillator P1, e.g. by means of a reactance valve. The modulated pump output is applied through filter P2 to varactor P3 (e.g. a diffused silicon diode), which is followed by a filter P4 for the signal and idler frequencies (# i =# s ). Coupler C may have four ports, one being connected to a non-reflecting load.
Patent GB-997565-A (GB)
Title: Improvements in or relating to the introduction of aluminium or alloys thereof into steel melts
IPC: C21C7/06
Filed: 1964-05-21
Abstract: <PICT:0997565/C6-C7/1> A method of introducing aluminium into molten steel comprises placing an aluminium block 5, which may be cylindrical or of truncated conical form, about a section of a refractory clad ladle stopper.
Patent GB-1145894-A (GB)
Title: Improvements in treatment of solids with liquids
Inventor: COLEBY JOHN
IPC: B01D11/00
Filed: 1966-05-12
Abstract: 1,145,894. Extracting from solids with liquids. R. GRAESSER Ltd. 31 Jan., 1967 [12 May, 1966], No. 21035/66. Heading B1O. A phase including solid material, such as a slurry, is introduced into a fixed horizontal container and passed in counter or co-current to a liquid phase through a series of mixing zones. The displacement of the mixing zones is achieved by means of rotating receptacles in the container.
Patent GB-142006-A (GB)
Title: Improvements relating to automatic delivery machines
IPC: G07F11/62
Filed: 1919-08-27
Abstract: 142,006. Worboys, F. G. Aug. 27, 1919. Delivery of articles stored in rows.-Articles in package form are arranged in horizontal rows in a series of compartments, each compartment having a window and a coin slot and delivery mechanism but discharging into a common delivery trough 5. Where there are several tiers, the compartments are arranged so that the articles discharged from the upper compartments fall in front of the lower ones. The packages 4 are arranged in a compartment 3 in front of a carriage 10, an arm 15 on which engages the last package. A rod 6 reciprocable by a handle 7 carries a series of ratchet blocks 8 adapted to engage with a pawl 9 on the carriage and advance it one step each time the rod is reciprocated. The pawl 9 and a locking-pawl 12 are connected to a wire 14 to enable them to be lifted for re-charging. Coin action, thrust, multiple coin.-The bar 6 is locked by a series of tumblers 17 engaging notches in the bar, and these are raised by the insertion of coins 18 which bear on the lower sides of the tumblers. Projections on the lower part of the tumblers are lifted into engaement with notches in the bar by coins of too large a diameter, thus locking the bar against reciprocation.
Patent GB-1427351-A (GB)
Title: Tuning aid for musical instruments and a method for tuning employing the same
IPC: G10C9/00
Filed: 1973-05-03
Abstract: 1427351 Tuning musical instruments INVENTRONICS Inc 3 May 1973 [3 May 1972] 21148/73 Heading G5J [Also in Divisions G1 and H3] Tuning of a musical instrument is assisted by a battery operated device providing a visual display of the drift of relative phase between the squared waveform of the fundamental or selected harmonic of the tunable instrumental note and a square wave at a frequency suitably subdivided from an adjustable master clock oscillator. The operator selects the pitch of the signal component to be examined by means of note selector 28 for the position within the octave and by octave selector 30, both modifying the tuning of active filter 22 to extract the desired component from the instrument note, and at the same time respectively modifying the high frequency of the master clock oscillator 26 (in semitone steps) and the number of stages of binary subdivision in divider 32 necessary to produce a reference frequency close to double that of the signal component. The master clock oscillator 26 also has fine and coarse frequency controls providing proportional adjustment consistent over its octave range. The square reference wave from divider 32, entering detector 36 feeds, together with its inverse, two pairs of cross coupled flip-flops which generate four half-frequency square waves in successive phase quadrature. The signal, squared at entry to detector 36, is compared, together with its inverse, by means of two exclusive OR circuits 60 each based on three NAND gates (62, 64, 66, 70, 72, 74) with the four quadrature waves. Four outputs of pulses at reference frequency, each having pulse width related to the phase difference between the signal component and the respective input, feed via low pass filers 40 a set of four pairs of diametrically opposed light sources in a ring of eight 42; non-linear circuits based on silicon diodes 93 ensure that only a phase match closer than 45 degrees will cause a pair of sources to glow; if they glow at all their strength is dependent on the outputs passing the lowpass filters. If the signal frequency is higher than half-reference frequency the display will appear as a bright bar rotating clockwise, if lower then anticlockwise. For frequency differences above 5 Hz the display appears persistent and the low-pass filters dim the glow; a tuner therefore adjusts the instrument to maximum brightness until rotation is visible, and then to zero rotation rate. To reduce excessive sensitivity on high notes, frequency dividers may be inserted in both reference and signal inputs to detector 36. A method of tuning an instrument, using the device comprises the tuning of one specified " temperament " octave of 12 notes to distribute evenly the " stretch " of the second partial of the lowest note of this octave above double the frequency of the lowest note, followed by stepping stages up and down to other octaves by matching partials from the temperament octave with fundamental or other partials from other octaves.
Patent GB-259894-A (GB)
Title: An improved pipe joint
IPC: F16L15/08
Filed: 1926-08-28
Abstract: 259,894. Clark & Co., Ltd., T. & C., Iles, C. H., and Griffiths, J. H. Aug. 28, 1926. Spigot and - socket .screwed joints with packing compressed at base of socket. - Two enamelled pipes a, b are joined by means of interengaging screw -threaded socket and spigot members c, e, which are screwed on to the plain externally-threaded pipe ends and locked thereon by locknuts d, f. The spigot member e is preferably provided with an annular recess g which is allowed to overhang its pipe end, to accommodate a packing ring h.
Patent GB-187367-A (GB)
Title: Improvements in and connected with tip-seats for theatres, musichalls, picture houses and such like
IPC: A47C7/58
Filed: 1921-08-10
Abstract: 187,367. Green, H. J. Aug. 10, 1921. Folding seats. - The hinge bracket D of a seat C for theatres and the like is provided with an arm E which strikes an india-rubber ring G, carried by a bolt I on the frame A, when the seat is lowered, thus preventing noise caused by the seat C striking the usual abutment H.
Patent GB-669262-A (GB)
Title: Improvements in and relating to adjustable chain control mechanism
IPC: G05G21/00
Filed: 1950-08-28
Abstract: 669,262. Time switches. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 28, 1950. [Sept. 2, 1949] No. 21233/50. Class 38 (v). [Also in Group XXIV] A timing control device for multi-operational machines comprises a shaft 2 with a. number of sprockets 9 carrying chains 16 each with one or more projecting cleats 17 for actuating members 14, such as switches, controlling operations of the machine in a desired sequence. The shaft 2 is driven from a shaft 20 of the machine either directly or through a variable speed transmission 19 to vary the time intervals between the different operations. The chains 16 are preferably supported on a guide roller 18 and the sprockets 9 are adjustably secured on the shaft 2 by means of a nut 11 screwed onto. one end of the shaft and adapted to clamp the sprockets 9 and collars 10 against a shoulder 8 on the other end of the shaft.
Patent GB-1003798-A (GB)
Title: Hydrocarbon distillate fuels of improved oxidation stability
IPC: C10L1/24
Filed: 1963-05-28
Abstract: A hydrocarbon distillate aviation turbine fuel that has been refined to a total sulphur content below 0.01% by weight has added thereto sufficient of one or more organic sulphur compounds of the type normally present in such fuels before refining to raise the total sulphur content to at least 0.01% by weight. It is stated that such sulphur compounds act as natural peroxidation inhibitors and that the almost complete removal during refining has been found to cause susceptibility to peroxidation. The sulphur compounds are cyclic ones, e.g. thiocyclopentane, thiocyclohexane, and their mono-, di- and tri-alkyl substituted homologues, and may be added either as such, or in the form of raw kerosine, or as tar oil obtained from kerosine and consisting mainly of cyclic sulphur compounds of boiling range 130-250 DEG  C.