baber/WOPTO huggingface dataset:
Patent GB-390231-A (GB)
Title: Improvements in floats for use with trawl nets
IPC: A01K73/05
Filed: 1931-10-12
Abstract: 390,231. Trawling. STEVENS, G. T., 243, St. George's Road, Hull. Oct. 12, 1931, No. 28255. [Class 48.] Buoyant metal kites comprise a number of tapered tubes 10 welded together or a flat tapered casing divided into compartments. In a modification the tubes are formed by welding together corrugated sheets.
Patent GB-225044-A (GB)
Title: Improvements in mops
IPC: A47L13/255
Filed: 1923-11-10
Abstract: 225,044. Baron & Sons, Ltd., J., and Greenwood, H. S. Nov. 10, 1923. Holders with clamping- devices for mops.-A metallic mop-holder A of trough shape is formed with inturned flanges a<2>, plain or serrated, and is fitted with clamping screws C which pass through holes in the holder and are secured by nuts c. Instead of the screws C transversely disposed screws may be employed or the holder may be made of sprung steel, the mop material being gripped between the sides thereof. A socket to receive a handle may be formed on top of the holder and may be hinged thereto or pivoted. According to the Provisional Specification the holder may be in two parts hinged together.
Patent GB-1512043-A (GB)
Title: Pharmaceutical composition for combating alcoholism
IPC: C07H5/10
Filed: 1975-07-04
Abstract: 1512043 Combatting alcoholism CHUGAI SEIYAKU KK 4 July 1975 [11 July 1974] 28375/75 Heading A5B A composition for treating alcoholism comprises uridine 3 diphosphate or uridine 5 diphosphate, or metallic salts thereof, and a carrier. The composition is taken internally, e.g. orally, preferably 10-5,000 mg per unit dose, or parenterally, preferably 10-1000 mg per unit dose.
Patent GB-354103-A (GB)
Title: Improvements in umbrellas
IPC: A45B7/00
Filed: 1930-09-23
Abstract: 354,103. Umbrellas. HALL, W. D., 4, Canaan Lane, Edinburgh. Sept. 23, 1930, No. 28415. [Class 134.] In umbrellas wherein the movable parts are manipulated from a runner 4 on a main stick 1 positioned eccentrically of the cover when open, the opening and closing mechanism comprises a series of levers 3, 5, and connecting-pieces 2, 8, 10, 11, arranged approximately to describe two connected quadrilaterals ; the parts 8, 10 are pivoted to a spreaderwire carrier 9 and the parts 2, 11 to a rib carrier 12, opening being effected by moving the runner so that the carriers 9, 12 are drawn together, and closing by moving so that they are drawn apart. On closing the parts take up positions in alignment with and parallel to the main stick 1, being assisted by the action of washers 6, 28, and also by shoulders in the parts 2, 3. The spreader-wire carrier 9 is recessed so that in the closed position the stick 1 may enter it to render the structure more compact; the rib carrier 12 is provided with a tubular extension for attachment of a ferrule; both carriers are provided with extensions bearing pegs which by contact with the connecting pieces prevent turning on the pivots when the umbrella is fully opened or fully closed. The carriers 9, 12 are wired to form pivots for the spreader wires and ribs respectively. The lever 3, instead of the connecting-piece 2, as shown, may be directly attached to the stick 1 ; also the connecting-piece 10 may be extended and, instead of the lever 5, be pivoted to the runner 4. Spring catches 29, 30, are provided for holding the runner.
Patent GB-479192-A (GB)
Title: Improvements in catch gear for vertically adjustable lamp pendants
IPC: F16J1/18
Filed: 1937-10-19
Abstract: 479,192. Friction - grips. HEYNER; W., and HENKEL, H. Oct. 19, 1937, No. 28482. Convention date, Feb. 11. [Class 44] A friction-grip device for holding a vertically adjustable lamp-pendant member 3 comprises a pair of rollers mounted at opposite sides of member 3 in a casing 1 carried by an outer tube 2, roller 5 being mounted loosely on a fixed pivot 4 and in contact with a resilient plate 6, whilst roller 7 is supported on an upturned nose 12 of a member 8 pivoted at 9 and angularly adjustable by screw 10. Member 3 is of square section, rollers 5, 7 are correspondingly grooved, and members 6, 8 conform with the grooves. Member 3 may be adjusted by pressure sufficient to overcome the braking effect of the rollers which is greater against downward movement than against upward movement.
Patent GB-939158-A (GB)
Title: Freezing tray
Inventor: DEITH GEOFFREY WILSON
IPC: F25C1/24
Filed: 1959-08-21
Abstract: 939,158. Freezing trays. UNILEVER Ltd. July 15, 1960 [Aug. 21, 1959], No. 28631/59. Class 29. A freezing tray, particularly for quickfreezing slabs of fish in a multi-plate froster, is made of plastic having a metal insert exposed on both sides of the bottom to assist heat transfer. As shown, resin-bonded fibre glass 1 is compression moulded over a sheet of expanded aluminium mesh 3 which extends through the bottom and side walls of the tray. The upper and lower surfaces of the bottom are subsequently ground to expose small areas 6 of aluminium. The tray may have a partition and may be fitted with a lid of identical construction. According to the Provisional Specification the metal used may be copper and either metal may be in the form of turnings or corrugated wires, rods or sheets and the plastic may be phenol formaldehyde, polystyrene or polyvinyl chloride.
Patent GB-901775-A (GB)
Title: Improvements in or relating to pressure controlled electric switches
IPC: H05B1/02
Filed: 1960-08-18
Abstract: 901,775. Thermal switches; fluid actuation of switches. STIEBEL, T. H. Aug. 18, 1960 [Aug. 22, 1959], No. 28654/60. Class 38 (5). The components of a thermal cut-out switch for opening the circuit of a heater 4 in a vessel 2 upon excessive temperature rise are mounted in predetermined fixed relationship to one another on an electrically-insulating plate 18 which is housed in a hollow casing having a flexible portion manually depressible to reset the switch. Alternatively, the switch may be self-resetting for use as a temperature regulator, in which case there is no need to provide the housing with the flexible portion. In the embodiment shown in Figs. 1, 2 and 4 a capsule 19 having a resilient membrane 20 is attached to the plate 18 by twisted end tabs 21. A tube 6 containing thermally-expansible fluid and connected to capsule 19 extends into a liquidtight tube 7 closed at its end. Tube 7 and heater element 4 are secured to a plate 9 which is clamped to the wall of vessel 2 by screws 13 securing the hollow casing 10 thereto, a gasket 14 being interposed. A heat-conductive bridge 8 is provided between tube 7 and heater 4. When a predetermined temperature is attained the membrane 20 snaps from a concave to a convex position (Fig. 4) lifting button 25 against a flexible portion 27 of the casing cover. Button 25 is carried on spring blade 24 which is electrically connected to terminal pin 15, and carries a contact 29 overlying a contact strip 30 connected to one end of the heater 4. The other end of heater 4 is connected direct to the other terminal pin. Thus the heater circuit is opened when capsule 19 lifts button 25 and may be reclosed by pressing the flexible portion 27. An alternative embodiment comprises a portable immersion heater (Fig. 6) with handlehousing 48 of elastic synthetic material to provide the flexible resetting portion 27 (Figs. 7, 8 and 9, not shown), by thinning the wall. The plate 18 slides into grooves 51 and the housing fits tightly over rim 53 of plate 9<SP>1</SP> carrying heater 4. The tube 7 is omitted since this portable device is removed from the liquid as a complete unit, and the leads 47 are permanently connected as shown.
Patent GB-812282-A (GB)
Title: Improvements in and relating to variable frequency oscillators
Inventor: OLIVER BERNARD MORE
IPC: H03B5/22
Filed: 1955-10-07
Abstract: 812,282. Valve oscillator and amplifier circuits. HEWLETT-PACKARD CO. Oct. 7, 1955, No. 28664/55. Class 40 (6). A valve oscillator circuit comprises a balanced amplifier having an input stage and a cathode follower output stage, a plurality of feedback circuits from the output to the input and a further feedback circuit providing positive feedback to reduce the output impedance of the amplifier. Fig. 1 shows an oscillator comprising a push-pull amplifier having a Wien bridge 11, 12, connected in feedback paths between the cathodes of the output valves and the grids of the input valves. The network 11 provides positive feedback and the network 12 negative feedback, a temperature-sensitive resistive element 50 being provided to control the amplitude of oscillation. The output is derived through a transformer 43 and a bridged-T attenuating network 45. The amplifier is provided with D.C. coupling between the anodes of the input valves and the control and screen grids of the output valve and positive feedback is provided from the anode of each output valve to the grid of the other valve through paths 35 and 36. This feedback is such that variations in the cathode impedance of the output valves due to changes in the load are offset by the consequent increase in gain of the output valves due to the positive feedback. The output impedance of the circuit is thus substantially zero and no change occurs in the feedback through the networks 11 and 12 as the load varies. Capacitors 41 and 42 from the anodes of the output valve to earth reduce the gain of the amplifier at high frequencies and a capacitance shunted resistance network 29, 30 reduces the gain at low frequencies and D.C. In an alternative amplifier, Fig. 3, the positive feedback for reducing the output impedance is provided between anodes and cathodes of the output valves. Resistors 64, 65, 67 and 68 are equal and the feedback is therefore such that a change in cathode voltage on one valve due to a change in output load are offset by an equal and opposite change at the anode of the opposite valve so that the potential at the junctions of the resistors and thus the feedback through the Wien bridge network remains unchanged.
Patent GB-248090-A (GB)
Title: Improvements in landing devices for aircraft
IPC: B64F1/02
Filed: 1924-12-01
Abstract: 248,090. Dowty, G. H., and Gloucestershire Aircraft Co., Ltd. Dec. 1, 1924. Landing places.-Aeroplanes are provided with an anchor 5 on a rope passing round a drum 2 which is braked directly or through gearing. The landing stage has a number of longitudinal cables 10 adapted to be engaged by hooks 9 on the undercarriage and a number of transverse cables 6 preferably below the cables 10, adapted to be engaged by the anchor. The anchor which is normally in a position clear of the ropes 6 is released automatically or by hand. The braking means which may be a friction brake, fluid dash-pot or dynamometer brake may be arranged at the ends of the transverse rope instead of the aeroplane. According to the Provisional Specification, the anchor may engage the ground itself.
Patent GB-1512729-A (GB)
Title: Process and apparatus for the treatment of water in thermal power stations
IPC: B01J47/04
Filed: 1975-07-08
Abstract: 1512729 The deionisation of boiler water GAGARIN HOEROMU VALLALAT 8 July 1975 [9 July 1974] 28749/75 Headings BID and B1J A steam generating boiler water treatment method comprises the sequential deionisation (by use of mixed ion exchange bed) of the water of each of a plurality of boilers wherein the pH is maintained between 6.5 - 7.5, the conductivity not above 0.2 Ás/cm and the concentration of suspended solids not above 25 Ág/litre. Water leaving the deionising unit is not less pure than 0.1 Ás/cm conductivity and 10 Ág/l suspended solids. In Fig. 1 condensate water is sequentially drawn from boiler systems 1, 2, 3 and 4, is passed through pipes 9 or 10 using valves 5, 6, 7 and 8 and is passed through gravel filters 19a and ion exchange columns 19b and returned to the respective boiler system through lines 15, 16, 17 or 18 using valves 11, 12, 13 or 14.
Patent GB-603803-A (GB)
Title: Improvements in or relating to fluid-operated work-holders
IPC: B23B31/20
Filed: 1945-10-30
Abstract: 603,803. Work-holders. REDMER, E. A. F. Oct. 30, 1945, No. 28759. [Class 83 (iii)] A fluid-operated work-holder comprising a split-collet 23 held stationary relative to the body 11 by a cap 30 and having an axially slidable sleeve 21 for closing the jaws of the collet, is furnished with sleeve-operating means comprising an annular piston 31 working in a fluid pressure cylinder surrounding the sleeve, levers 33 pivoted on the inner wall of the cylinder transmitting the piston motion to the sleeve. The body may be threaded at 20 for attachment to a work-table.
Patent GB-498942-A (GB)
Title: Improvements in control devices for milling machines or other machine tools
IPC: B23C1/025
Filed: 1937-10-21
Abstract: 498,942. Controlling milling-machines &c. BIERNATZKI,H., (trading as BIERNATZKI & CO.). Oct. 21, 1937, No. 28781. Convention date, Nov. 3, 1936. [Class 83 (iii)] A control for a work or tool table of a milling or other machine tool having movements in different directions, determined by stops on the slides, such as the knee, saddle and table movements of a milling-machine, has a movement selector for obtaining the desired movement and the control stops for any selected movement act through intermediate lever mechanism on the same electrical controller for speed variations and for reversal of the movement. As applied to a knee-type milling- machine, the knee 2 movable on the column 1 carries a cross saddle 3 and a longitudinally moving table 4. A hand lever 11 mounted on the knee reciprocates a rod 13<1> arranged to impart rotation to a shaft 7. This shaft carries a sleeve 17 slidable with the saddle, and arranged to reciprocate a rod 8 which in turn imparts rotation to a single electric control drum 10. The movements of the control lever 11 are thus transmitted to the controller 10, the lever having five positions, H being a neutral position VL and VR giving working movements to the left and right respectively and positions EL and ER giving high speed movements to left and right respectively. A selector 24 may be set to impart these movements to either the knee, the saddle, or the table. For automatic control of the table movement, dogs 27 on the table coact with abutments 30 to impart movement to the drum 10. Similarly, for controlling the saddle movement, dogs 29 on the knee coact with an abutment 32 on the sleeve 17 carried by the saddle to impart rotary movement to the sleeve 17 and so actuate the controller 10. For controlling the knee movement, stop dogs such as 28 on the column coact with a projection 31 on the shaft 7 to rotate said shaft and actuate the controller. The movements of the levers produced by the automatic mechanism result in corresponding movements of the control handle 11 so that the operator can see from the position of the lever 11 and of the setting of the selector 24, the speed and direction of the operative movement at any instant.
Patent GB-776913-A (GB)
Title: Method of and apparatus for controlling circulation of furnace atmosphere
IPC: C21D9/663
Filed: 1955-10-10
Abstract: 776,913. Furnaces for heat-treating metals. WILSON, L. Oct. 10, 1955 [Nov. 5, 1954], No. 28826/55. Class 51 (2). In a furnace for the heat treatment of metals, e.g. the annealing of steel &c. strip, of the kind in which spaced, superposed coils of strip are enclosed in a cover 25, Fig. 1, within a bell F heated by combustion tubes lining the wall of the bell and supplied with oil and air through manifolds 3, 4, respectively, and in which the atmosphere within the cover is circulated over the coils by a centrifugal fan 9 driven by an electric motor, the coils are supported upon a base S constituting a diffuser unit for the fan and formed of vanes 15, Fig. 2, disposed between plates 14, 16 enclosed by a rim 17, said vanes having attached to their inner ends bimetal plates 28 which restrict the output of the fan while the furnace is warming up, and which flex and lie against the vanes when the annealing temperature is reached and permit increased circulation of the atmosphere within the cover. The atmosphere flows through an annular space 18 between the plate 16 and the rim 17 over the outsides of the coils and through the spaces between the coils and down the centres of the coils back to the fan. The cover has an outlet for circulating atmosphere so that the pressure within the cover remains substantially constant as the temperature rises. In a modification, the circulation is controlled by a movable plate 31, Fig. 5, which coacts with an apertured plate 30 placed over the central passage formed by the superposed coils and attached to a bellows 36, the lower end of which is secured to a plate 35 carried by bolts 34 mounted on webs 33 integral with the plate 30. As the temperature rises, the plate 31 is moved by the free end of the bellows towards the dotted line position. In another arrangement, the circulation is controlled by counterweighted flaps 42, Fig. 6, coacting with apertures 41 in a plate covering the top of the central passage through the coils. Fig. 8 shows a further modification in which the flow is controlled by fixed and rotatable apertured plates 47, 48 respectively and in which the inner plate 48 is rotated by a biinetal strip 55 secured at one end to the plates and at the other to a fixed bar 54. The plates are closed by a cover, not shown.
Patent GB-638413-A (GB)
Title: Evaporator for absorption refrigerating machines
IPC: F25B39/02
Filed: 1946-09-27
Abstract: 638,413. Refrigerating. BIANCHI, G. Sept. 27, 1946, No. 28897. Convention date, July 7, 1945. [Class 29] An evaporator for absorption refrigerating machines comprises upper and lower chambers 1, 4 connected by a series of conduits 3, the upper chamber being provided with partitions 2 forming a plurality of superimposed inter-communicating compartments. The conduits 3 are U-shaped and surround the ice trays. Inert gas enters the evaporator by a pipe 5 and liquid ammonia by a pipe 6.
Patent GB-1503822-A (GB)
Title: Circuit interrupter having an electro-magnetic repulsion device
IPC: H01H73/04
Filed: 1975-07-09
Abstract: 1503822 Circuit interrupters MERLIN GERIN 9 July 1975 [12 July 1974] 28965/75 Addition to 1405377 Heading H1N An electromagnetic repulsion device having an elongated induction plate 32 coupled to a movable contact 18 and extending into a small width linearly extending air gap 30 of a magnetic circuit 24 as in parent Specification, has its movable contact 18 in the form of a cylindrical rod arranged to bridge contact faces 14, 16 which extend parallel to the rod axis. The magnetic circuit can provide two flux paths with common polepieces 26, 28 as in Fig. 2, or a single flux path as in Fig. 8. A return conductor for the induced currents can be provided (Figs. 5, and Figs. 4, 9 and 10, not shown) and the longitudinal axis of the induction plate 52 may be normal to that of the rod 18.
Patent GB-270574-A (GB)
Title: Improvements in or relating to table, kitchen and similar knives and razors
IPC: B26B3/02
Filed: 1926-11-17
Abstract: 270,574. Jardine, C. A. Nov. 17, 1926. Table, carving, and like knives, and razors have concave cutting edges, the radius of curvature being smaller at the middle region B of the blade than at the ends. The back of the blade is arched, and set at an angle to the handle D as shown.
Patent GB-464642-A (GB)
Title: Improvements in or relating to the transference of liquid explosives
IPC: C06B21/00
Filed: 1935-10-21
Abstract: 464,642. Preventing explosions. CHALLENOR, W. A. P., SCOTT, G. A., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 21, 1935, No. 29045. [Class 47 (ii)] Relates to the method of minimizing 'the risk of explosion when transferring liquid explosives, wherein the explosive is emulsified with an aqueous medium, and consists in transferring the medium through a pipe to which an insoluble and inert gas is introduced in such quantities that the emulsion is divided into a series of short columns or surges H, K, Fig. 3, separated by bubbles or columns of gas L. This is stated to maintain the emulsion in a condition of turbulence. The emulsion is supplied from a vessel D, which is of a height to provide the required pressure head, to a pipe A of small bore. Compressed gas is supplied by a pipe B under control of a valve C. In a modification, part of the gas is passed into a supply vessel in which the explosive is emulsified. The explosive may be emulsified with a dilute alkali carbonate solution.
Patent GB-884715-A (GB)
Title: Valve for confining fluid under pressure in a container
IPC: F16K17/40
Filed: 1959-08-25
Abstract: 884,715. Valves. SPECIALTIES DEVELOPMENT CORPORATION. Aug. 25, 1959 [Nov. 6, 1958], No. 29054/59. Class 135. [Also in Group XXI] In order to discharge the contents of a container 10 e.g. a fire extinguisher, through an outlet 20 an explosive charge 18 is electrically ignited to disintegrate a stem 17 supporting a piston 16 whereby the fluid in the container is enabled to move the piston and so uncover ports 15 leading via an annulus 44 to the outlet 20. Apertures 29 in the piston 16 serve to vent pressure beneath the latter to the outlet 20 during the piston movement. An annular filter 47 prevents any of the debris from entering the outlet. The valve may be dismantled and reset by inserting another stem.
Patent GB-319670-A (GB)
Title: Improvements in or relating to visible signalling-devices for summoning waiters
IPC: G08B5/02
Filed: 1929-09-25
Abstract: 319,670. Kiese, F. Sept. 25, 1928, [Convention date]. No Patent granted (Sealing fee not paid). Restaurant - table signals.-A table indicator for summoning waiters and also for displaying an advertisement comprises a signal disc g adapted, when a catch i is released, to be lifted high above a liquidfilled tube stand b by means of a. float e. The float e is connected to the disc g by a rod f prevented from turning by a tongue n, and the disc g is normally concealed by covers h, on the cap c. An advertisement e may be carried by the rod f and may pass, in moving, adjustable covers o.
Patent GB-870213-A (GB)
Title: Apparatus for and method of casting grain-oriented ingots
IPC: B22D27/04
Filed: 1957-09-17
Abstract: <PICT:0870213/III/1> <PICT:0870213/III/2> A method for casting grain-oriented ingots comprises pouring a molten metal which solidifies in the cubic lattice form into a mould 20 (Fig. 3) having at the bottom a seed body 11 of solid metal having cubic lattice form and having the atoms of at least one area of the surface 14 so arranged that planes forming unit cube faces thereof are parallel to the surface 14 melting the surface of the body 11, and then causing the molten metal to solidify by extracting heat through the body of solid metal 11. The metal may be iron containing up to 5% of silicon or molybdenum, or up to 8% of aluminium.  The seed body 11 is cut from a casting composed of columnar grains having parallel longitudinal axes and is placed in the mould with the longitudinal axes horizontal.  After the surface 14 has been melted back to a plane 30 (Fig. 4), coolant is passed through a heat exchanger 21 (Fig. 3), and an ingot is obtained consisting of grains such as 161 and 171 (Fig. 4) having parallel orientation which have grown on the grains 16 and 17 in the body 11 which had unit cube faces parallel to the surface 14, to the ultimate exclusion of growth on other grains. The mould walls are preheated by a removable electric heater before the molten metal is poured in, to ensure that the heat is substantially all extracted through the cooled bottom of the mould. Specification 870,209 is referred to.
Patent GB-277197-A (GB)
Title: Improvements in or relating to dental apparatus
IPC: A61C1/08
Filed: 1926-11-19
Abstract: 277,197. Cordes, W. Nov. 19, 1926. Tools and tool-holders.-A machine for rotating and reciprocating dental and other tools for grinding, cleaning and polishing rubber, metal, wood, stone, bone, &c. has an oiltight gearcase b with projecting tool sockets e mounted on a standard a. An electromotor k drives through a shaft l in an oiltight bearing m a gear d rotating tool sockets e. Reversing clutches 6 are actuated by knobs n. A crank 15 driven from the gear d reciprocates a slider 17 to which are connected by clutches 19 reciprocating tool sockets i. A vice t and lamps v may be fitted.