baber/WOPTO huggingface dataset:
Patent GB-1003387-A (GB)
Title: Educational device
IPC: G09B3/06
Filed: 1964-04-02
Abstract: 1,003,387. Educational appliances. B. J. HAWKINS. April 2, 1964, No. 13758/64. Heading G5G. A question and answer educational appliance for teaching phonetics, arithmetic and time, comprises a body member 50, Fig. 4, having a problem window 55 and at least one answer checking window such as 56, 57, 58, a problem disc 60 having problem, indicia 62 and answer checking indicia 64 thereon registerable with the problem window and answer checking window, respectively, and answer means such as opaque shields 66, 67, 68 reciprocably mounted for movement between a position covering said answer checking indicia and a retracted position whereby the said answer checking indicia is visible through the answer checking windows. In operation of the embodiment shown in Fig. 4, which is adapted for teaching phonetics, the problem disc 60 is rotated to register a problem indicia 62, e.g. a map for viewing through the problem window 55 and at the same time a phonetic auxiliary problem indicia 63 represented by a letter " P " is viewable through the auxiliary problem window 59, the location of which in the word " map " is to be determined. If the student assumes the phonetic sound of " P " of the auxiliary problem indicia 63 is at the end of the word, the shield 68 is retracted by a knob 72 uncovering the answer checking window 58, whereby star of the answer checking indicia 64 is exposed, verifying the correctness of the answer. A mistaken answer is indicated by a check mark underlying shields 66 or 67. For teaching time the body member 100, Fig. 8, is provided with a problem window 105, an answer checking window 106 and a pair of answer windows 108, 109. A problem disc 110 is provided with a plurality of problem indicia 112 representative of a clock face and a plurality of answer checking indicia 114. The correct time indicated by problem indicia 112 is set by means of answer discs 120, 121 and the correctness of the answer verified by retracting an answer checking shield 115 to expose the answer checking indicia 114. For teaching arithmetic the embodiment of Fig. 8 is modified in that one of the answer discs 120, 121 is dispensed with (Fig. 7, not shown). In the final embodiment of the multiplechoice type, wherein a given question is associated with a series of answers and a choice of the correct one is to be made, the body member 130, Fig. 10, is provided with a problem window 137, an answer window 138 and answer checking windows 140, 141. The problem disc 143 has a plurality of problem indicia 145 associated with a corresponding plurality of answer checking indicia 146 of a circular differently coloured panels. The answer disc 147 has a plurality of corresponding answer indicia 149 associated with a corresponding plurality of answer checking indicia 150. When a proper choice has been made between the problem indicia 145 and an answer indicia 149 an opaque shield 152 is retracted to open the answer checking windows 140, 141, whereupon similarly coloured panels of the answer checking indicia 146 and 150 are visible.
Patent GB-754270-A (GB)
Title: Improvements in or relating to chromium complexes of mono-azo pyrazolone dyestuffs
IPC: C09B45/16
Filed: 1954-05-11
Abstract: The invention comprises chromium containing azo dyestuffs containing less than 2 atoms of metal per 2 molecules of dyestuff which in their metal free form are of formula <FORM:0754270/IV(c)/1> where X is Cl or Me and y is -CH2OH, -CH2OCH3, CH.OH.CH3, -CH2CH2OH or -CH2CH2OCH3. The metal free dyestuffs may be made by coupling the appropriate amines and sulphonamides subsequent metallization being effected in conventional fashion. Coupling is preferably effected in an alkaline medium, 1:2 complexes are described.  The dyestuffs dye leather and nitrogenous fibres wool and silk being dyed bluish red shades. Examples illustrate the preparation and use of chromed dyestuffs from 1-hydroxy -2- amino -4- chloro- and -methyl -6- nitro-benzene and the following azo components 1-phenyl -3-methyl -5- pyrazolone -31- sulphonic acid-(311-hydroxy or methoxy)- propyl- -(211-hydroxy or methoxy -ethyl- or (211 hydroxy) propyl-amides.
Patent GB-1009431-A (GB)
Title: Steels and their use in rolling and forging
IPC: C22C38/60
Filed: 1962-04-10
Abstract: A steel comprises:  <TABS:1009431/C6-C7/1> the balance, apart from impurities, being iron. In the fabrication of the steel by rolling the ratio of elongation in the rolling direction to that in the transverse direction may be 19.6-23.7 to 1.  Ni, Cr, Mo, Al and N may also be present in the steels in amounts usually present in low alloy steels.
Patent GB-677780-A (GB)
Title: Asbestos fibre recovery
IPC: B65D71/00
Filed: 1949-05-24
Abstract: Asbestos fibre is recovered from an ore mass by preparing from the mass an aqueous slurry containing solids of a size screening not more than 6 mesh and not less than 21/2 per cent asbestos fibre, and in which the fibre is at least 40 per cent in a fluffed state, the aqueous slurry containing from 1 to 15 per cent solids, passing the slurry on to a shaking table with sufficient water to flow the fibre across the table, subjecting the mass to the action of the shaking table, and separating the asbestos fibre from the predominantly fibre concentrate.  A pre-treatment may be used before the shaking table treatment and may comprise subjecting the ore aggregates to hydraulic hindered settling classification or hydraulic rake classification to concentrate the asbestos and yield the initial slurry.  The ore may also be milled and crushed before classification.  Two flow sheets, for treating weathered damp tailings and pit ore, respectively, a shaking table, and a concentric plate type hindered settling classifier, are described and illustrated.
Patent GB-183000-A (GB)
Title: A machine for preparing tip ends of billiard cues
IPC: A63D15/12
Filed: 1921-05-18
Abstract: 183,000. Tew, T. May 18, 1921. Cutting and making billiard cues.-A device for trimming the tip ends of billiard cues comprises an arm h pivoted to a base plate k by a bolt d and provided with a knife blade a. The cue g is placed in a groove e in the base plate and is pressed against a stop c projecting from the arm. The cutter is operated by pressing down the arm h.
Patent GB-411281-A (GB)
Title: Improvements in and relating to carburetters for internal combustion engines
IPC: F02M7/26
Filed: 1933-05-12
Abstract: 411,281. Spray carburetters. DAIMLER-BENZ AKT.-GES., Unterturkheim, Stuttgart, Germany. May 12, 1933, No. 13924. Convention date, May 12, 1932. [Class 7 (iii).] Means for regulating the supply of aerating air to the jet of a carburetter simultaneously with the adjustment of the throttle, in which, after the throttle has been fully opened, further movement of the operating-lever reduces the supply of aerating air without operating the throttle. Fuel enters the jet d at e and is aerated by air which enters through slots g, g<1> and perforations f. The slots are controlled by slots i in a ring h, which is rotated by a rod k connected to an adjustable extension n of a lever m. During idling, the slots i and g, g<1> register to admit the maximum amount of aerating air, and as the operating-lever p opens the throttle through a spring, a cam o turns the lever m and the rod n to cover partly the slots g. Further movement of the lever p, when the throttle is fully open, completely closes the slots g, and the fully open position of the throttle is rendered noticeable by a yielding stop member. The ring h may be displaced independently of the throttle by a Bowden wire q carrying a ball r which engages with an extension a on the lever m. The ring h may be connected directly to the accelerator pedal, and the throttle connected to the lever p.
Patent GB-310975-A (GB)
Title: Improvements in and relating to steam power installations with intermediate superheating
IPC: F01K3/26
Filed: 1929-05-04
Abstract: 310,975. International General Electric Co., Inc., (Assignees of Allgemeine. Elektricitõts-Ges.). May 5, 1928, [Convention date]. Superheating by steam.-In steam installations having an intermediate, superheating, the steam effecting this superheating is employed at or near its critical pressure, and is produced in a closed system independent of the water circuit of the main low-pressure steam generator, this system being maintained at the desired pressure by a pump. Steam generated in a boiler K passes by a pipe L to the high-pressure part of a turbine T, then through an intermediate superheater ZW, and thence through the lower pressure part of the turbine and to a condenser K<1>. The circulation of heating steam is maintained by a pump U, which forces the water through a heater built in the boiler K or arranged separately. The return pipe R' is connected to a vessel B through the feed pump Sp. This produces the critical or a somewhat higher pressure, Regulation of the temperature is effected by a throttle or reducing valve R, or by a small back-pressure turbine adapted to drive auxiliary apparatus in the installation.
Patent GB-560766-A (GB)
Title: Improvements in or relating to packages for projectiles and like cylindrical articles
IPC: F42B39/00
Filed: 1942-10-05
Abstract: 560,766. Packing ; boxes and cases for ammunition. DASHWOOD, R. Oct. 5, 1942, No. 13966. [Class 94 (i)] [Also in Group XXI] A package for projectiles, or like cylindrical articles, comprises a number of cylindrical containers arranged side by side but separated from one another by distance pieces shaped to engage a cylindrical portion of the wall of each container, retaining pieces also being provided for holding the containers against the distance pieces. The containers are so arranged that a projectile and its propelling charge are placed end to end. A holder suitable for carrying in a gun limber comprises two pairs of cylindrical containers 10. 11, Figs. 2 and 3, for the projectiles and their propellants, respectively, which are mounted on two trays hinged together at 14. The containers are spaced apart from one another by distance pieces 47 which are secured to the bottoms of the trays and are supported by lugs 17 on plates 18 attached to the end walls of the trays. A resilient sheet metal retainer 20, secured to the top of each distance piece, embraces the upper part of each container and holds it securely within the tray. The containers are closed at their outer ends, and closure members consisting of a metal disc 26 between layers 27 of cork are interposed between the open inner ends. The two tray parts are held in alinement by means of a toggle clip 28, 29, and by releasing this clip, the two parts can be hinged apart to permit removal of the contents of the containers. The trays may be mounted on slides in a gun limber, and the bottom of the tray is provided with a stop which is arranged to limit the movement of a tray when it is drawn forward along its slide to enable the tray with the propellant to be swung downwards. The container 10 comprises an outer cylinder of waxed cardboard which is closed at one end by a metal cap 33, Fig. 4, and has its other end strengthened by a metal ring 35. A sleeve 37 is fixed within the closed end of the container, and another sleeve 38 slides within the container. The two sleeves are connected by fabric strips 43 which permit the sleeve 38 to be drawn to the mouth of the container by a fabric loop 40, but prevent the complete withdrawal of the sleeve. The projectile fits into the sleeves with its driving band abutting against the end 39 of the sleeve 38, and it can be withdrawn by pulling the sleeve forwards by the loop 40. The container 11 is a single tube of waxed cardboard closed at one end by a metal cap lined with a felt pad. An indicating device 48 may be provided at the end of each tray to show which containers are full. In a modification, the retaining members are replaced by straps which are secured to the distance pieces at the sides of the trays. The trays may be formed as a single part instead of two hinged parts, and in this case the containers have removable caps at opposite ends through which the contents may be removed.
Patent GB-160691-A (GB)
Title: Locomotive stokers
IPC: F23K3/14
Filed: 1920-05-21
Abstract: 160,691. Lower, N. M. May 21, 1920. Stoking. - In an underfed stoker for locomotives, fuel from the tender 13, Fig. 2, falls into a trough 14 and is fed by a screw conveyer 21 through the conduit 17, which may be provided with a crushing-device 23, 24, to a conveyer 26, Fig. 1, located in a conduit 19 arranged beneath the grate and connected with the conduit 17 by means of an universal joint 18. The conduit 19 is provided, as shown in Fig. 4, with lateral openings 27, 28 leading into upwardly-inclined conduits 29, 30 which are also provided with screw conveyers 31, 32 for feeding the fuel through the nozzles 35 on to the grate. The conveyers 21, 26 are driven through bevel and ratchet gearing, and the conveyers in the elevating conduits 29, 30 are driven through ratchet gearing. The ratchet gearing for all the conveyers is of the form shown in Fig. 7 and adapted to permit variation of the speed of the conveyers to vary the feed of fuel and to be reversed if clogging occurs. The throw of the pawl arm 44 is varied to vary the speed of the conveyer by adjusting the position of the pins 57 by which the actuating-rods 51 are attached to the slotted crank arms 52 mounted on the shaft 53, which is rocked by the motor 56. The position of the pins, 57 on the arms 52 is varied by raising or lowering stirrup-blocks 59, through which pass the rods 51, by means of the screwed spindles 60. To reverse one of the conveyers, a hand lever 65 is operated from the stoker's platform to actuate through a bell-crank 66 and red 63 an arm 48 pivoted to the pawl lever 44 and engaging with an arm 46 serving to tilt the pawl 45.
Patent GB-329495-A (GB)
IPC: C05B7/00
Filed: 1929-05-06
Abstract: 329,495. Kali Forschungs - Anstalt Ges. Dec. 6, 1928, [Convention date]. Manures.-Magnesium-ammonium phosphate, suitable for use in manures, is obtained by treating commercial phosphoric acid or phosphate solutions with an excess of the final or waste liquors obtained in the potassium industry. The mixture is then treated with excess of ammonia to neutralize the phosphoric acid, preferably with slight heating. A crystalline precipitate is obtained which is washed and dried at about 100‹ C.; the drying operation may be prolonged until most of the water of crystallization is evaporated. The ammonia in the mother liquor may be recovered by the usual treatment with lime. The above product is used as a component for the conversion of agglomerating non-distributable manures into stable and distributable manures, e.g. equal parts with ammonium nitrate give a manure which remains unaltered and distributable after four weeks' storage.
Patent GB-530441-A (GB)
Title: Improvements in electric lighting fittings
IPC: F21S8/06
Filed: 1939-05-11
Abstract: 530,441. Electric lighting fittings. BRITISH THOMSON-HOUSTON CO., Ltd., and HUBBLE, L. May 11, 1939, No. 14078. [Classes 75 (ii) and 75 (iv)] An electric lighting fitting for illuminating, e.g. shelves on opposite sides of a corridor comprises a pair of shallow dished annular reflectors 1 and 2, arranged back to back and having central apertures adapted to receive a vertically disposed lamp bulb 4 and means, e.g. a metal strap 5 to support a lamp holder 6 in the space between the reflectors. These may be welded or spacedly secured together by a cylindrical band apertured to allow bulb to press through. The reflector apertures may have a profile corresponding to that of the lamp bulb and leave a lower opening 8 allowing light to pass downwards at angles not less than 20 degrees to the horizontal. The reflector axes may make a small angle with one other.
Patent GB-659227-A (GB)
Title: Improvements in or relating to roofing systems
IPC: E04D13/16
Filed: 1949-05-26
Abstract: 659,227. Roofs. JENKINS, R. W. May 26, 1949, No. 14151. [Class 20(iv)] In roofs comprising an outer rigid lining, e.g. of corrugated iron sheets, and an inner lining of insulating board, the sagging of the latter between the roof purlins is prevented by providing supports intermediate of, and running parallel to, the purlins, the supports being secured to the outer lining by bolts. In the form shown, a number of purlins 3 support a fibre board inner lining 2 and a corrugated iron outer lining 1. Adjacent horizontal edges of the boards are supported on hollow D-section members 4, which are slotted throughout their length on the flat face, and secured to the sheets 1 by bolts 5, the heads of which engage in the members 4 whilst the shanks pass out through the slots. The length of each member 4 is equal to the width of sheets 2, adjacent members being joined by junction pieces 8. Adjacent sloping edges of the sheets are supported on inverted T-section members 10.
Patent GB-292333-A (GB)
Title: Improvements in or relating to calculating devices for facilitating the setting out or centering of type-written or similar matter
IPC: G06G1/00
Filed: 1927-05-26
Abstract: 292,333. Blomfield, L. W. 26, 1927. Adding and subtracting apparatus. - The starting point for a heading or other statement to be placed centrally with respect to the typewritten matter on a sheet is determined by means of a calculator consisting of relatively slidable scales. In the construction shown stationary scales Band C and a slidable scale D are graduated in terms of letter spaces and another slidable scale E, preferably in one with scale D, has similar graduations but of twice the size. To use the device a cursor F is set to the marginal width on scale B and scale D is moved to bring the length of the heading opposite the cursor line. The cursor G, set to the total width of the sheet on scale C, will now show on scale E the point on the line at which the heading should start.
Patent GB-704325-A (GB)
Title: Improvements in means for sawing off lengths of tubing or other lengths of material
Inventor: HENDERSON JOHN LEONARD
IPC: B23D45/18
Filed: 1950-06-07
Abstract: 704,325. Circular saw machines. TUBE MAKING MACHINES, Ltd. May 31, 1951 [June 7, 1950], No. 14173/50. Class 145 (2) Lengths are sawn-off continuously moving tubes or the like by a sawing machine of the type in which the saw moves with the work on a carriage travelling on a base frame; and comprising a base frame, a movable carriage mounted thereon, a clamp for fixing the carriage to the work piece so that it travels therewith during the sawing off process, means for returning the carriage for the next sawing off process, an arm carrying a circular saw and a saw motor (the arm being pivotally mounted on the carriage to move the saw away from the work piece) and a cam bar which holds the sawcarrying arm in the sawing position and controls the cutting feed of the saw. The saw arm coacts with the cam bar so that it is free to lift away from the cam bar against the pressure applying the saw to the work piece during the sawing operation. The carriage 5 is mounted on rollers 5a running on guide rails 6 carried by the machine frame. The saw 1 and motor 2 are carried on an arm 3 which can be lifted by a piston 8 so that the saw clears the work A, or lowered until the roller 10 rests on the-inclined cam bar 9. Each end of this cam bar is adjustable for controlling the rates of feed of the saw. A clamp 13 mounted on the carriage and actuated by a piston in a compressed air cylinder 15 grips the work when the saw is in operation. The compressed air cylinders are operated by valves actuated by the carriage in its travel. The inertia of the stationary carriage is overcome by an air pressure acting on plungers which also act to cushion the return stroke of the carriage. The return stroke of the carriage is operated by a weight 41.
Patent GB-1308522-A (GB)
Title: Hopper loading apparatus
IPC: B28C7/08
Filed: 1970-03-25
Abstract: 1308522 Drag line scrapers filling hoppers MECC SaS di GIUSEPPE BALLABIO 25 March 1970 [31 March 1969] 14398/70 Heading B8E Particularly for use with a batching plant a row of hoppers 1 dischargeable on to a conveyer 2 are filled by a drag line scraper mounted on an arm 12 secured to a trolley 11 running on guide rails 10 which are parallel to the hopper row. Feelers 17 on the carriage 11 co-operate with cams on the walls 5, forming corridors 6 in which the different materials are dumped, to cause the carriage to transverse the arm 12 across the corridor to move the bucket 15 to scrape material over the whole width thereof. Feelers 18 co-operating with cams 19 cause the carriage 11 to move to another corridor when a hopper is full or according to a predetermined programme.
Patent GB-136110-A (GB)
Title: Improvement in Electro-therapeutic Appliances.
Inventor: HEWITT ALEXANDER HAY
IPC: A61N1/20
Filed: 1919-06-10
Abstract: 136,110. Hewitt, A. H. June 10, 1919. Drawings to Specification. Electric appliances.-In the type of apparatus in which a disk of copper is placed in contact with one heel and a disk of zinc in contact with the other, the disks are cemented on to backings of rubber-covered canvas having a diameter somewhat larger than the metal disks. The rubber prevents slipping of the disk within the stroking and acts to insulate the metal disks.
Patent GB-1301075-A (GB)
Title: A method of producing pentafluoromonoiodoethane
Inventor: HELLBERG KARL-HEINZ
IPC: C07C17/04
Filed: 1971-05-12
Abstract: 1301075 Pentafluore-iodo-ethane KALI. CHEMIE AG 12 May 1971 [8 July 1970] 14594/71 Heading C2C Pentafluoroiodoethane is prepared by reaction of tetrafluoroethylene with iodine pentafluoride and iodine in a closed vessel at 20 to 100 C., with a molar ratio of tetrafluoroethylene to iodine pentafluoride to iodine of 5 or more :1: 2, in the presence as catalyst of a metal of Group IVa or Va of the Periodic Table. Specified metals are titanium, zirconium and vanadium.
Patent GB-1239144-A (GB)
Title: Electrical control circuits
IPC: H03K17/723
Filed: 1969-03-20
Abstract: 1,239,144. Switching circuits. WESTING- HOUSE ELECTRIC CORP. 20 March, 1969 [4 April, 1968], No. 14610/69. Heading H2H. A zero voltage A.C. switching circuit includes a bidirectional switch, such as a triac or an antiparallel pair of thyristors, which is operated by the simultaneous input of two control signals to a firing arrangement. In the circuit of Fig. 2; a load 16 may be energized from a source 14 by way of thyristors 120, 122 which are triggered from a firing circuit 36. A first input to the firing circuit is provided by a manual or automatic control 38 to give a continuous anode potential on a thyristor 144. The second input is derived directly from the A.C. source 14 by a circuit 80 which includes a pair of Zener diodes 136, 138 which clip both the positive and negative half-waves of the A.C. signal, resulting in an output which is almost a square-wave. When this is applied to a capacitor 140, the final signal is a series of positive and negative pulses, each occurring at points of zero voltage of the original A.C. signal. Hence, in . the presence of a control signal from circuit 38, the thyristor 144 will fire at the next positive-going zero of the A.C. signal, energizing an oscillator 146 which provides continuous drive to the thyristors 120, 122 until the circuit 38 is switched off. In the case of purely resistive loads, the thyristor 144 and oscillator 146 may be replaced by switching transistors, since only synchronized pulses, rather than a continuous drive, are required to trigger the thyristors 120, 122.