baber/WOPTO huggingface dataset:
Patent GB-577318-A (GB)
Title: Improvements in or relating to recoil compensating charges for projectors for explosive or other projectiles
IPC: F41A1/10
Filed: 1943-03-23
Abstract: 577,318. Gun ammunition. SILLITTO, G. P., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. March 23, 1943, No. 4710. [Class 9 (i)] A dummy charge which is expelled rear- , wardly and disintegrates harmlessly on the discharge of an open-breech firearm, to eliminate recoil, comprises a main package 3 of powder packed in an easily rupturable container of smaller diameter than the barrel 1 of the firearm, and an auxiliary package 15 juxtaposed to the main package but tapered so as to fit the barrel, thereby providing obturation on electrical ignition of the propellant charge by a firing switch (not shown), leads 9, 10 and fuze-head 8, to discharge the projectile 5 which has tail fins 13. The containers for the main and auxiliary dummy charges may consist of waxed paper, bitumen, laminated paper &c. or of very thin metal foils and the dummy charges may be powdered chalk, gypsum, dry sifted earth, limestone fines, powdered talc, ochre, china clay, flour, sawdust, sand or denser powders such as powdered barytes, white lead powder, red lead powder or powdered metallic lead. The main and auxiliary dummy packages are secured by a layer of adhesive 16 and the assembly is provided with a wax coating by dipping. Specifications 577,319, 577,320, and 577,321 are referred to.
Patent GB-404816-A (GB)
Title: Improvements in or relating to electric induction motors
IPC: H02K17/36
Filed: 1933-02-16
Abstract: 404,816. Motor driving-arrangements. CRAWFORD, A., 1, Ryecroft Lane, Pellon, Halifax, Yorkshire. Feb. 16, 1933, No. 4712. [Class 35.] An arrangement of motors of the type in which two primary windings mounted so as to rotate co-operate with two squirrel cage secondaries so that the speed and power of the two motors thus formed are combined comprises a fixed shaft E aligned with a rotating shaft F, the two shafts carrying squirrel-cage elements D, D<1> co-operating with primary windings C, C<1> mounted in a rotating casing B. Current may be supplied to the two windings, C, C<1> at once or to either separately, the casing B being locked to the frame A by a pin M or to the rotor D<1> by a pin P as required. Further variation in speed may be obtained by replacing the squirrel-cage element D by a wound element with a regulator of known type.
Patent GB-177003-A (GB)
Title: Improvements in artificial teeth
IPC: A61C13/10
Filed: 1921-02-10
Abstract: 177,003. Grainge, H. J., and Ash, P. C. M. Feb. 10, 1921. Teeth, artificial. - An artificial tooth with a curved lingual surface is held and prevented from rotating by a hole in the tooth formed to cocperate with an inclined post oi square, rectangular or similar section projecting from the backing. In Fig. 1 a molar tooth a is shown held by a square post c attached to a backing d. Specification 29462/12 is referred to.
Patent GB-1186251-A (GB)
Title: Information Storage and Retrieval and Information Carrier therefor
Inventor: HALVERSON FREDERICK
IPC: G06K7/12
Filed: 1967-02-01
Abstract: 1,186,251. Selective printing &c. AMERICAN CYANAMID CO. 1 Feb., 1967 [14 Oct., 1966], No. 4845/67. Heading B6F. [Also in Division C4] Alpha-numeric characters are recorded and retrieved by typing the characters in binary coded form using photo-luminescent inks (see Divisions C4-C5) for each bit, each bit containing a different ink and each ink having one or more luminescent components each of which components is a complex of a rare earth metal ion having an atomic number greater than 57 and a figure of merit in excess of 200, whereby the encoded characters are retrieved for data processing by illuminating the binary bits with ultra-violet radiation and detecting the characteristic of luminescence in each bit. In a modification the different inks may be applied as bands or patterns to a sheet of paper and the binary encoding produced by obliterating the unwanted bits by a radiation impermeable ink. The figure of merit is derived by testing the photo-luminescent inks with a special disc containing a " standard luminescer " and comparing the luminescence of the inks and luminescer. Comparison values which are less than 200 exclude the photo-luminescent inks from their application to the recording of the alphanumeric characters.
Patent GB-115456-A (GB)
Title: Improvements in Button Clasps.
Inventor: STUART HENRY JOSEPH
IPC: A41F11/04
Filed: 1917-04-04
Abstract: 115,456. Stuart, H. J. April 4, 1917. Dress-suspender grips.-A button clasp for hose-supporters &c. is provided with a button having a headed stud which is passed through registering holes in a folded tape. An elastic sleeve 7 is slipped over the head of the stud 3 and presses the folded tape C against the base-plate 2 of the button, and the tape may be connected as shown to the button loop B. One end only of the tape may be secured to the button so as to cover either the front or front and back of the base-plate. The base-plate may have two prujecting-studs, and its greatest dimension may be less than the width of the tape.
Patent GB-481659-A (GB)
Title: Improvements in or relating to cathode ray tubes
IPC: H01J29/52
Filed: 1936-06-13
Abstract: 481,659. Cathode-ray tubes. ZEITLINE, V., ZEITLINE, A., and KLIATCHKO, V. June 13, 1936, No. 4888/38. Convention date, June 13, 1935. Divided out of 481,590. [Class 39 (i)] The intensity of the beam in a tube having a luminescent screen is modified by an electron mirror device comprising two curved electrodes adjacent the cathode, the electrode nearer the cathode being of grid construction and the arrangement being such that the mirror has a fixed focus. As shown, a positive grid G with its centre of curvature at the cathode C closes the end of an anode A1, and a concentric negative grid M forms the other member of the mirror. A backing member E at fixed potential may be provided. The cathode emits on the side facing the mirror. In a modification, the solid member E replaces the grid M, and the electrodes E, M may be cylinders surrounding an axial cathode. A convergent lens may be disposed between the first and second anodes. Specification 481,590 is referred to.
Patent GB-543930-A (GB)
Title: Improvements in and relating to prevention of condensation in water heaters, boilers and like heat exchangers
IPC: F24H9/00
Filed: 1941-04-15
Abstract: 543,930. Tubular heat - exchange elements. GREAVES, A. H., and SHORT, R. V. April 15, 1941, No. 4899. [Class 64 (iii)] To prevent condensation from the heating gases on a tube B of a liquid heater, the tube is surrounded by a jacket A so shaped as to be alternately in contact with and spaced from the tube along its length. The jacket may be formed in sections.
Patent GB-470279-A (GB)
Title: Improvements in means for use in manufacturing concrete blocks and the like
IPC: B28B5/00
Filed: 1936-02-18
Abstract: 470,279. Moulds for concrete blocks &c. KENT, W. A. H. Feb. 18, 1936, No. 4938. [Class 87 (ii)] Means for moulding concrete blocks and the like comprises a wheeled frame within which a mould frame 1 is permanently arranged, a single screw means rigidly connected centrally to the mould itself for raising, lowering and suspending it, and means for guiding the mould in the frame. Vertical posts 11 are secured by bars 15, 16 and are provided with wheels 12 adapted to run on rails 13. The ends of the posts 11 may be bent to form axles for the wheels. The mould 1 is divided into compartments 7, 10 by partitions such as 2, 4. The mould is moved by a rod 21 having a screw thread 24 passing through a boss 26 in a transverse bar 25 and engaged by a nut 27. A ball bearing is disposed between the nut and the boss. The rod 21 is secured to the mould as by a nut 23. The nut 27 is formed with handle arms 28. For steadying the mould, wires or rods 33 are connected to eyes 34 and to a collar 31 on the rod 21. The corners of the mould are provided with brackets 17 shaped to slide on the posts 11. The mould is lowered on a platform 20 of planks or boards. Handled plates are provided to cover the blocks and protect their corners on raising the mould. According to the Provisional Specification, for moulding hollow blocks, cores may be secured on the platform 20.
Patent GB-858431-A (GB)
Title: Improvements in polyepoxides and the like
IPC: C08G59/04
Filed: 1958-02-17
Abstract: Fusible polyepoxides are made by reacting cyanuric acid with a monomeric or low-polymeric diglycidyl ether of a polyhydric phenol or polyhydric alcohol, the proportions of the reactants being such that there are 1,5-2,0 epoxide groups of the diglycidyl ether for each hydroxyl group of the cyanuric acid. Catalysts for the reaction are tertiary amines, or quarternary ammonium hydroxides, salts or ion-exchange resins.  The polyepoxides are mixed with curing-agents and used in the formulation of moulding compositions, adhesives and coating compositions In examples polyepoxides are made by reacting cyauuric acid with the diglycidyl ethers obtained from epichlorohydrin and bis-phenol.  In Examples (1), (2) and (4)-(7), these polyepoxides are mixed with a curing-agent (e.g. a butylated urea-formaldehyde resin, tetraethylene pentamine or a mixture thereof with bis-phenol) and possibly a solvent (e.g. dioxane and/or ethyl "Cellosolve" (Registered Trade Mark) to form compositions which are cast into films and baked.  In Example (3), an enamel is made comprising the polyepoxide, methyl-isobutyl ketone and titanium dioxide.ALSO:Fusible polyepoxides are made by reacting cyanuric acid with a diglycidyl ether of apolyhydric phenol or polyhydric alcohol, the proportion of the reactants being such that there are 1,5 to 2,0 epoxide groups of the diglycidyl ether for each of the hydroxyl group of the cyanuric acid.  The three mols of a diglycidyl ether react with one mol of cyanuric acid to give a triepoxide of formula : <FORM:0858431/IV(b)/1> where R is the residue for dihydric phenol or dihydric alcohol.  A low polymeric tetraepoxide is made by using 5 mols of diglycidyl ether and 2 mols of cyanuric acid whilst a low polymeric pentaepoxide is obtained by using 7 mol of diglycidyl ether and 3 mols of cyanuric acid.  As a catalyst for the reaction, there may be used a tertiary amine, or a quarternary ammonium hydroxide, salt or ionexchange resin.  Examples describe the manufacture of polyepoxides by reacting cyanuric acid with diglycidyl ethers obtained by reacting epichlorhydrin with 2, 2-bis-(4-hydroxyphenyl)-propane in the presence of caustic soda.
Patent GB-706655-A (GB)
Title: An improved apparatus for dusting fruit trees and other crops
IPC: A01M9/00
Filed: 1952-02-27
Abstract: 706,655. Agiricultural crop-dusters. DOK, W. S. VAN. Feb. 27, 1952, No. 5200/52. Class 6 (1) A wheeled vehicle carries a centrifugal fan 1 into the outlet duct of which dusting material is fed from a hopper 2 through a control valve 3, and an outlet nozzle 5 on the duct is swingingly arranged about a flange 4. The nozzle is supported by a shaft 9 which extends in the direction of vehicle travel, the supporting means including a forked rod 8 keyed to the shaft and engaging a pin 7 mounted on a bushing 6 of the nozzle. By rotating the shaft the nozzle can be turned from one horizontal position through 180 degrees to the other horizontal position, and can be held in intermediate positions. Shaft-rotating means are located near the driver's seat, and include a toothed sector 10 fixed to the shaft, which is engaged by a pawl 14 on a rod 13. The latter is slidably arranged on an adjusting lever 12 which is pivotally mounted on the shaft. A spring-actuated detent member 15 engaging one of a series of concentric holes in the sector holds the nozzle in the desired position.
Patent GB-104948-A (GB)
Title: Improvements in and connected with Showcards and such like for Display and Ornamental Purposes.
Inventor: ANDERSON WILLIAM JOSEPH
IPC: B65D73/00
Filed: 1916-04-10
Abstract: 104,948. Anderson, W. J. April 10, 1916. Card and like stands.-A show card is provided with folding flaps for supporting collapsible dummy or other packets. The flaps may be cut out of the show card and when folded backwards cause the collapsible packets to be erected, and when the card is provided with a folding strut, this strut is arranged to operate the flaps. The strut D is secured to the folding flaps C by hinged pieces F and has an extension G which is held in the position shown by a locking-piece E on the back of the show card A. In a modification, the strut is hinged to the show card and can be retained at various angles.
Patent GB-608375-A (GB)
Title: Improvements in or relating to shrinkage control of textiles and textile-forming materials
IPC: D06M15/423
Filed: 1946-02-21
Abstract: Shrinkage control of textiles and textileforming materials comprises impregnation with an aqueous dispersion of an alkylated methylol melamine and with urea and/or thiourea, either simultaneously or in any sequence and heating to dry the textile or textile product and to cure the alkylated methylol melamine to a waterinsoluble condition. The presence of urea or thiourea prevents a large proportion of the loss of tensile strength which occurs when cotton and rayon are treated with the alkylated methylol melamine alone, and in the case of wool and nylon an increase in tensile strength is produced.  Any alkylated methylol melamine may be used, but preferably those containing 2-6 molecules of combined methyl alcohol for each molecule of melamine, the alcohols used in their preparation being methyl, ethyl, propyl and butyl.  The water soluble condensation products so formed may be used in quantities of about 2-15 per cent of the dry weight of the textile material.  1 per cent of urea and/or thiourea is effective, but the preferred range is 2-10 per cent or even 20 per cent, cotton and rayon requiring larger amounts than wool.  In an example, wool flannel is treated with methylated methylol melamine containing 0.4 per cent of diammonium hydrogen phosphate (based on the weight of the resin) and cured at 290 DEG  F. for 9 minutes. Varying amounts of resin, urea and thiourea are used and the results tabulated to show optimum results for shrinkage control using 3-6 per cent of urea or thiourea.  Nylon screen cloth is treated with 2.5 per cent of methylated methylol melamine containing 0.3 per cent of its weight of curing compound and 4.8 per cent of a stiffening composition, together with 3-5 per cent urea, and mercerized cotton twill is treated with 10 per cent of methylated methylol melamine and 5 per cent of urea. Specifications 562,977 and 563,172 are referred to.
Patent GB-539750-A (GB)
Title: Improvements in or relating to valve mechanism for internal combustion engines
IPC: F01L1/26
Filed: 1940-03-26
Abstract: 539,750. Valve gear; regulating; starting. HARPER, W. March 26, 1940, No. 5469. Convention date, March 27, 1939. Addition to 528,170. [Classes 7 (v) and 7 (vi)] In engines having high-pressure exhaust valves E3 which. are opened in advance of low-pressure exhaust valves F4, F4<1> by cam mechanism, as claimed in the parent Specification, adjustable connections are provided between the cams and the rockers actuating the valves, and means are also provided for facilitating starting. The valves are actuated by a face cam 41 having an inner set of projections which actuate the valves E3 through tappets E45 having adjustable members E48 engaging rockers E49 bearing on the valves through levers E60. An outer set of cam projections then actuate the valves F4 through other tappets connected by knuckles 47 'and adjustable pieces F48 mounted in the ends of a pair of rockers F49 engaging the valves F4, further knuckles . 47<1> being connected by adjustable pieces F48<1> to the forked end of a rocker F49<1> engaging the valve F4<1>, and also to the forked end of a rocker D49 actuating the valve D5 admitting air to the combustion chamber D1. The forked rocker F49<1> is allowed a slight sideways movement by being connected by a pin F53<1> and slot F52<1> to an outer sleeve F54<1>. The cams of a pair of cylinders are driven by worm gearing from shafts 30 geared by bevel wheels to shafts 33, 33<1>, Fig. 12, driven by bevel gearing 34 from a shaft A6, which is geared to the main shaft 14 and also to shafts A8 of rotary valves controlling the inlet of air from a rotary blower to the crank case. The shaft 33<1> has a pair of gear wheels 35 interposed, so that the directions of rotation of the pair of shafts 30 will be the same. Further rotary valves E6, which control the passage of the exhaust either to a conduit E1 leading to the crank case, or to an atmospheric outlet E4, are driven from the shafts 30 through gearing comprising a pair of elliptical gears E11, E11<1>, which give a varying speed to the valves. To facilitate starting, the exhaust valve F4<1> is lifted to relieve compression, by means of a handle on a stem F65<1> connected by a link F64<1> to a cam F66<1>, which forces a plunger F63<1> into engagement with a finger F62<1> on the rocker F49<1>. Also compressed air is forced through check valves 69 into those cylinders whose pistons are in. position to make a power stroke, the flow of air to the appropriate cylinders being controlled by valves 85, Fig. 6, actuated by a solenoid 76 which admits or releases air pressure to or from a piston 84. The construction and operation of the engine are as described in Specification 524,092.
Patent GB-470919-A (GB)
Title: Improvements in or relating to step irons
IPC: E06C9/04
Filed: 1936-02-24
Abstract: 470,919. Step-irons. WATSHAM, D. S. Feb. 24, 1936, No. 5481. [Class 20 (ii)] A step - iron for walls has the step portion downwardly inclined from the edges toward the centre. The iron is provided with one or two supporting prongs E each having an end tooth E<1> to engage a recess in the wall and a downwardly extending portion G to bear against the wall surface. The step portion C may be either of V or curved shape, and is ribbed and provided with a stiffening rib C<1>. The iron may take the form of a bracket, Fig. 3, with a stay M having a part O to enter a recess in the wall. In a further modification, Fig. 6, the step portion may be divided into three portions A, B, C, the centre portion being provided with an inclined stay R provided with a ribbed extension T to enter a recess in the wall.
Patent GB-451869-A (GB)
Title: An improved iodine locket
IPC: A61J1/00
Filed: 1935-02-22
Abstract: A porous plug for sealing a locket containing iodine is composed of 60 per cent Portland cement and 40 per cent powdered pumice.
Patent GB-781974-A (GB)
Title: Improvements in or relating to vapour generating plants comprising tubulous boilers
Inventor: ZOLLER RONALD ERNEST
IPC: F23L7/00
Filed: 1954-02-26
Abstract: 781,974. Boiler furnaces. BABCOCK & WILCOX, Ltd. Feb. 28, 1955 [Feb. 26, 1954], No. 5717/54. Class 51 (1). [Also in Group XIII] The space beneath the fuel-bearing surface of the travelling grate 6 of the boiler shown in Fig. 1 is divided into compartments 54 all but one of which is provided with an individually operable damper 56 for the supply upwardly therethrough of primary combustion air whilst the other compartment is adapted to receive further combustion air which has been passed through a humidifier 60. In operation, the combustion air is forced through an air heater 42 and some passes to the humidifier 60 through dampercontrolled line 68, whilst the remainder passes via line 49 and opening 52 into riddling, ash and clinker hoppers 37, 38, 40 respectively for passage up through the damper-controlled compartments 54. The water spray device 64 of the humidifier is fed via line 62 and valve 66 from the cooling water system 36 of a condenser 32 attached to a steam turbine 30 supplied by the boiler. All the compartments 54 may be fed with humidified air, branch lines from the moist air supply line 69 being provided for this purpose. Each branch line is fitted with a damper and these dampers together with the dampers 56 can be set so as to permit either humidified or non-humidified combustion air to any of the associated compartments 54. In a modification, water in the line 62 is passed through a heat exchanger deriving its heat from the closed cooling gas circuit of an alternator. In another modification, water in the line 62 is heated in a heat exchanger which acts as a condenser for steam from a steam jet air pump utilized to extract non-condensable gases from the condenser 32. Fig. 4 shows an arrangement in which moist air or steam is taken from a cooling tower 76 through a line 78 to the air heater 42. Cold, relatively dry air may be admitted to the heater for admixture with the moist air or steam through a damper 80. All the compartments 54 may be supplied with humidified air. This arrangement may be modified by providing a fan to promote a humidified air flow directly to an appropriate part of the grate instead of the supply through line 78. The invention is also applicable to oil or pulverized fuel fired boilers. With the latter fuel usually only a proportion of the secondary air is humidified.
Patent GB-556598-A (GB)
Title: New method of repairing pneumatic tyres
IPC: B29C35/00
Filed: 1942-04-29
Abstract: 556,598. Vulcanizing tyres. WRIGHT, S.A. April 29,1942, No.5726. [Classes 70 and 87 (ii)] A damaged pneumatic tyre cover 1 with a corded portion 2 is repaired with a key-piece 4, a corded reinforcement 3, and is built-up at 5, and vulcanized, using flexible electric heating elements 9, 11, are applied to the inside and outside of the repaired portion which is subjected to pressure between an inflated inner tube 6 and an outer inflated bag 12 held as by tape, webbing, or rope 14 passing about the air bag 12 and a wheel rim 7 &c. Specification 556,190 is referred to.
Patent GB-1528402-A (GB)
Title: Mixing and kneading apparatus more particularly for chocolate mass
IPC: A21C1/06
Filed: 1976-02-13
Abstract: The apparatus is used to mix and knead chocolate compositions in particular and operates by the principle of feeding components in batches and continuously discharging the finished chocolate composition. It comprises a horizontally arranged kneading cylinder having an inlet and outlet aperture, a kneading shaft with kneading tools and a baffle plate, the kneading cylinder (4) being pivotable in its longitudinal axis and being supported on a load cell (16). The apparatus is also intended to be used with compositions which are in a mobile to liquid condition on leaving the kneading cylinder. A speed-controlled discharging apparatus (21) is arranged at the outlet aperture of the kneading cylinder (4), which discharging apparatus (21) is in principle a vane-cell pump and has a rotating speed which is regulated in dependence on the contact force of the kneading cylinder by an electric regulating device, a motor (18) and an induction coupling (19). <IMAGE>
Patent GB-139504-A (GB)
Title: Circular knitting machine for the production of stockings and the like
IPC: D04B1/26
Filed: 1920-02-26
Abstract: 139,504. Grosser, G. F., [Firm of]. Sept. 25, 1916, [Convention date]. Circular machines.-In order that heelpouches 2 may be produced of larger dimensions than the toe-pouches 3 on circular machines provided with single-butted needles, three groups of needles are employed having butts 4, 5, 6 of three different lengths. The toe is made on the short-butted needles 4, which extend over half the circumference of the cylinder. The long-butted needles 6 extend over less than half the needle-circle. The mediumbutted needles 5 are situated between the two groups of needles 4 and 6. The heel is made on the needles 4 and 5. A radially movable switch cam 7 removes from action the needles 6 or the needles 5 and 6 as required, before the commencement of heel and toe knitting. The cam 7 is mounted to slide in a bearing 16, and a pin 12 works in an inclined slot 13 and projects the cam towards the needles when the stem 7a is rotated by the action of a vertically movable plunger 10, 11 on an arm 9. Extra radial movement is imparted by a lever 14 acted on by a slide 15 to carry the bearing 16 as a whole towards or away from the needles. The pin-andslot connexion 12, 13 can be dispensed with, in which case the pivotal movement of the cam 7 is provided by the plunger 10, 11 and the radial movement by the lever 14.