baber/WOPTO huggingface dataset:
Patent GB-162689-A (GB)
Title: Improvements in and relating to electric switches particularly applicable to alarm circuits
IPC: E05B45/06
Filed: 1919-10-08
Abstract: 162,689. Harris, T. B. Oct. 8, 1919. Fire, police, and like alarm systems and apparatus.-The call-box of an alarm system is provided with an electric switch operated by the shutter of the keyhole, and the switch controls the circuit of a signal at the call-box. A keyhole shutter 2, Fig. 2, and a contact-carrying member M, Figs. 1 and 2, are mounted upon a shaft 4. A contact segment 10, provided with lugs 6, 7,. is mounted inside the door D and the contact M<1> on the member M is forced away from the segment 10 by a spring 11 When the shutter is moved from its normal position the contact M' engages either the lug 6 or the lug 7, while the contact M<1> engages. the segment 10 if an attempt be made to prise theshutter 2 from the door D.
Patent GB-297217-A (GB)
Title: Improvements in joints for use with sheet metal
IPC: B21D39/02
Filed: 1927-09-19
Abstract: 297,217. Armstrong Whitworth Aircraft, Ltd., Sir W. G., and Wylie, H. N. Sept. 19, 1927. Seaming, seamed joints.-Joints, particularly for thin sheet metal for hollow spars, hulls, or floats for aircraft or for containers for fuel and other fluids, are formed by bending and interlocking the edges of the sheets 2, 3 as shown and clinching a strip 15 tightly round the interparts. The strip is preferably formed initially with a reverse bend at 16 and with in-curled edges 17. Fluid tightness is obtained by pressure at 14 rather than between the surfaces 6, 7. A coating of paint or mastic may be employed. Specification 212,344 is referred to.
Patent GB-477063-A (GB)
Title: An improved container for a reel of paper or like material and means for dispensing the paper or the like
IPC: A47K10/38
Filed: 1936-09-09
Abstract: 477,063. Paper cabinets. DAYKIN, T. R. Sept. 9, 1936, No. 24606. [Class 18] A cabinet for rolled paper comprises a top 6, back 5, downwardly sloping bottom 7 and front portion 8, and a cover 13 hinged at 14 which with the portion 8 forms a dispensing shoot for the paper and end pieces 10, 11. A roller 12 may be provided. Registering holes 9, 9<1> provide for gripping the paper, which can be torn along the edge 13<1> of the cover, in which notches 16 are formed.
Patent GB-698382-A (GB)
Title: Process for the production of film formers, lacquers and paints
IPC: C09D191/00
Filed: 1951-10-22
Abstract: Film formers, lacquers and paints comprise solutions of resinous or oil drying organic compounds containing alcoholates of polyvalent metals with the exception of aluminium which are stabilized by the addition of liquid organic tautomeric reacting compounds which can exist in a keto or enol form.  Specified alcoholates are the butylates of lead, iron and zinc, a specified solvent is benzene and specified stabilizers are acetoacetic ester, acetylacetone, formylacetone, formylacetophenone and malonic acid esters.  Linseed oil, linseed oil-stand oil and autoxidized castor oil are specified oil drying organic compounds.
Patent GB-296316-A (GB)
Title: Automatic clutch
IPC: F16D43/24
Filed: 1928-08-27
Abstract: 296,316. Obermoser, K. Aug. 27, 1927, [Convention date]. Clutches, friction, of the type in which clutch elements rotating with the driving-member are caused to engage automatically when the driving- member ceases to accelerate, or when it is momentarily retarded. The engagement is effected by elements 3 which roll for that purpose and which also serve when the clutch is engaged to transmit the drive. The grip members are two semi-cylindrical members 2 which slide towards and from one another between guide rings 4 and have grip blocks 8 adapted to engage the internal surface of a hollow pulley 9 which is to be driven. The driving member is a disc 1 which projects radially inside the expanding members 2. The members 2 are normally held disengaged by bands 7 pulled inwards at their ends by springs 6. The members 3 which roll to engage the clutch automatically are carried by the disc 1 with their axes parallel to the axis of the pulley. They have cranked ends K and function to cam the grip members 2 apart.
Patent GB-1042518-A (GB)
Title: Improvements in or relating to bonding techniques
IPC: H05K3/38
Filed: 1963-06-21
Abstract: A body having a polar surface (i.e. one of which the molecules have a permanent dipole moment), such as a metal or glass, is coated with an oriented monomolecular layer of a protective or insulating material, which may be a fatty acid or soap, a fatty amine, phosphate, phosphonate or sulphate, or polyvinyl acetate or benzoate, and a non-polar surface such as a synthetic polymer is then bonded thereto. The organic layer may be provided by floating a film thereof on water or an aqueous solution of an inorganic salt and dipping the substrate therein and removing at controlled speed.  The invention extends to making electric circuit components such as capacitors and transistors in which two polar surfaces are bonded by such a layer.  In examples, a glass slide is coated with bismuth by vapour deposition, then with a monomolecular layer of polyvinylacetate, then with aluminium by vapour deposition, to form a capacitor: stearic acid or a C12 phosphonate may replace the polyvinylacetate: a gallium phosphide semi-conductor material may be coated similarly to form a transistor.ALSO:A body having a polar surface (i.e. one of which the molecules have a permanent dipole movement), such as a metal or glass, is coated with an oriented monomolecular layer of a protective or insulating material, which may be a fatty acid or soap, a fatty amine, phosphate, phosphonate or sulphate or polyvinyl acetate or benzoate, and a non-polar surface such as a synthetic polymer is then bonded thereto.  The organic layer may be provided by floating a film thereof on water or an aqueous solution of an inorganic salt and dipping the substrate therein and removing at controlled speed.  The invention extends to making electric circuit components such as capacitors and transistors in which two polar surfaces are bonded by such a layer.  The substrate may be aluminium, copper, lead, bismuth, tin, glass, or a superconductor such as V3Si.
Patent GB-247744-A (GB)
Abstract: 247,744. Carpmael, W., (Farbenfabriken vorm F. Bayer & Co.). Feb. 24, 1925. Storage bins.-Containers for corn, cement, and other materials in dust form, are emptied by means of rotating jets of air or gas directed tothe walls of the container. As shown, the airtight container 2 is fitted with a rotating pipe I having tangential nozzles 11 and supplied with compressed air by a pipe 8. The dust &c. falls to the throat and is discharged by a jet from a pipe 15. A stirrer 16 keeps the throat clear. In a modification, the container is fitted with a rotatable pipe provided with tangential outlets and projecting into the throat of the container.
Patent GB-1181562-A (GB)
Title: Cloud Dispersion of Powder.
IPC: B05B16/00
Filed: 1967-01-13
Abstract: 1,181,562. Powder distributors. NATIONAL DISTILLERS & CHEMICAL CORP. 13 Jan., 1967 [6 June, 1966], No. 24896/69. Heading B2F. [Also in Division D1/2] A device for use in generating a cloud of powder material comprises an outer tubular container 50 closed at its lower end 51 and housing an inner tubular container 53 for receiving a charge of powder material the inner and outer containers being in closed to each other at their upper ends and the inner container being open to the outer at its lower end, means for connecting a source 65 of gas under pressure to the upper end of the inner container and for connecting a source of gas under pressure to the upper end of the space between the containers, and at least one outlet part 60 in the top of the inner container for egress of the cloud of powder material formed therein. The outer container may be provided with a bleeding valve 66 and means 55 for deflecting the gas from the outer to the inner container.
Patent GB-155074-A (GB)
Title: Improvements relating to coursing tracks and the like
IPC: A63K1/02
Filed: 1919-10-13
Abstract: 155,074. Robinson, J. W. Oct. 13, 1919. Tracks.-In coursing tracks, the separating ropes k are passed through rings j in a series of vertical ropes c which are hung from an overhead wire b supported by side posts a and are secured to buried pegs f. By this arrangement, the dogs cannot injure themselves by collision with the usual supporting-posts. By making the posts a high enough, the track may be used by men.
Patent GB-1386817-A (GB)
Title: Cigarette packaging
IPC: B65B19/02
Filed: 1972-06-23
Abstract: 1386817 Packaging cigarettes E H GELDMACHER 23 June 1972 [24 June 1971] 25102/73 Heading B8C To prevent tobacco crumb escaping from the ends of cigarettes individually packaged in pockets, cushions of foam material is disposed between the ends of the cigarettes and the ends of the pockets. The material may be moistened. The pockets are formed in a translucent or transparent plastics foil, to which a second foil is welded to seal the package.
Patent GB-532443-A (GB)
Title: Thermal power plant, in which a gaseous working medium, preferably air, continuously describes a closed cycle under a pressure greater than atmospheric pressure
IPC: F02G1/04
Filed: 1939-09-01
Abstract: 532,443. Air and gas turbines. AKT.-GES. FUR TECHNISCHE STUDIEN. Sept. 1, 1939, No. 25108. Convention date, Oct. 13, 1938. Addition to 468,287. [Class 110 (iii)] In hot-air turbine installations as claimed in claim 4 of the parent Specification, the additional working medium is introduced into compressed working medium in the closed cycle at a point between the heat exchanger and the turbine inlet and prior to its introduction it is raised to the temperature of the cycle at the point of admission. For this purpose, the pipe supplying the additional air may ,pass through a pre-heater which treats the air for a gas heater or be subjected to the fire gases of a gas heater.
Patent GB-844878-A (GB)
Title: Improvements in apparatus for ascertaining the level of a surface of a body of liquid
Inventor: WORSWICK BERNARD AUGUSTINE
IPC: G01F23/296
Filed: 1957-08-09
Abstract: 844,878. Acoustic delay lines. BAILEY METERS & CONTROLS Ltd. Aug. 8, 1958 [Aug. 9, 1957], No. 25165/57. Drawings to Specification. Class 40(8). [Also in Group XL(c)]  An acoustic variable-delay line used in an ultrasonic pulse-echo system (see Group XL(c) ) consists of a spiral of nickel wire coupled at one end to a fixed magnetostrictive transmitter coil and traversed throughout its length by a receiver coil. In another arrangement a transmitter and receiver are mounted on respective relatively movable spaced plates so that a transmitted pulse is reflected back and forth several times between them before reaching the receiver.
Patent GB-901531-A (GB)
Title: Improvements in or relating to electric space heating system
Inventor: BOLSER MURRAY
IPC: H05B3/56
Filed: 1957-08-09
Abstract: 901,531. Electric space-heating systems. H.V.E. (ELECTRIC) Ltd. Nov. 4, 1958 [Aug. 9, 1957], No. 25192/57. Class 39 (3). [Also in Group XXXVI] A heating cable for use in a space-heating system which may include ducts 10 and a trough 11 in a concrete floor, comprises one or more resistance wires 4 enclosed in a braided insulating sheathing 2, e.g. of glass fibres, which may have longitudinal reinforcing fibres to minimize longitudinal stretching. The wire 4 may be spirally wound on an insulating flexible carrier member (Fig. 2, not shown). The ends of the sheathing 2 are flattened or doubled over and may be secured with a tubular eyelet 8 to which the wire 4 is connected and which serves as a terminal. A second eyelet 9 may be secured to the flattened end of the sheathing near its extremity for drawing-through purposes when the cable has to be installed in a duct or passageway. Specification 838,052 is referred to.
Patent GB-1473588-A (GB)
Title: Static mixing elements for the mixing of fluid streams
IPC: B01F5/00
Filed: 1974-06-06
Abstract: 1473588 Mixing element for fluid streams BAYER AG 6 June 1974 [6 June 1973] 25205/ 74 Heading B1C A mixing element for insertion in a pipe 11 Figure 1 through which fluid to be mixed flows comprises at least two inclined plates having interdigitating webs 14 and slots 15. The slots and webs may extend parallel to- Figures 1, 2 and 3- or inclined to-Figures 4 and 16-the major axis of the substantially elliptical plates. The webs may taper uniformly -Figure 5-or stepwise-Figure 6-extend along lines which converge-Figure 7-may be elliptical, drop-shaped or triangular-Figure 10-in cross-section may be of different widths -Figure 12-and one plate may have notches 136 in the webs-Figure 13. The slots need not be open-ended. The plates may be curved -Figures 8 and 9-and groups of plates or pairs of plates may overlap and interdigitate as shown in Figures 15 to 18. Pairs or groups of plates may be rotationally displaced through 90 from other pairs or groups-Figs. 14, 15, 16 and 19. The plates of each element may be of different form and when more than one element is inserted in a pipe they may be of different form. The pipe, or optionally the elements, may be adapted to be heated or cooled.
Patent GB-1074655-A (GB)
Title: Low reflection coatings for synthetic plastics materials
IPC: G02B1/11
Filed: 1964-06-18
Abstract: 1,74,655. Low reflection coatings. EASTMAN KODAK CO. June 18, 1964 [July 15, 1963], No. 25211/64. Heading G2J. A lens, filter, or the like of polystyrene, polymethyl methacrylate, or other synthetic plastics material has a low reflection coating formed by an aluminium layer 2-5mÁ thick and, on the aluminium layer, a layer of magnesium fluoride having an optical thickness about “ wavelength of the light to be transmitted by the lens or filter. The colour of the light transmitted may be controlled somewhat by adjusting the thickness of the magnesium fluoride layer so that “# at 400mÁ produces a "cold" lens and “ # at 600mÁ, a "warm" one.
Patent GB-1441210-A (GB)
Title: Motion transformer
IPC: G04B19/02
Filed: 1974-06-06
Abstract: 1441210 Electric timepieces SUWA SEIKOSHA KK 6 June 1974 [7 June 1973]  25215/74 Heading G3T [Also in Division H2] In an arrangement for transforming intermittent rotary to continuous rotary motion, e.g. in a timepiece, one part of the arrangement, e.g. the output part, is mounted in a viscous fluid bath to smooth the drive transmission. As shown a wheel 1 having a single pair of magnetic poles is intermittently rotated by means of a stepping motor. A similar, axially aligned wheel 2 couples the wheel 1 to a third wheel 3 which is continuously rotated at a substantially constant speed as the wheel 2 is mounted in a housing 4 filled with a viscous liquid 5 to retard and smooth its motion. The stepping motor may drive a seconds hand and the output wheel a minutes hand. The wheels need not be axially aligned and one or more may be of high magnetic permeability instead of magnets. In an alternative arrangement, the intermediate wheel 2 is omitted and the output wheel (14), Fig. 2 (not shown), is in a viscous fluid (12).
Patent GB-572466-A (GB)
Title: Improvements in magnetos
IPC: F02P1/00
Filed: 1943-01-21
Abstract: 572,466. Magnetos. BENDIX AVIATION CORPORATION. Jan. 21, 1943, No. 25242/44. Convention date, Feb. 12, 1942. Divided out of 572,441. [Class 35] The housing of a dual ignition magneto consists of a central compartment 10, Fig. 2, containing the rotor and stator members, two compartments 51 formed by removable covers 12 diametrically on opposite sides of the central chamber, and two compartments 24, Fig. 1, also on diametrically opposite sides of the central chamber and in a plane perpendicular to the plane through the compartments 51. The compartments 24 are formed by removable covers 13 and house the coils and condenser systems each as described in Specification 572,465 ; the rotor and stator members are constructed as described in Specification 572,441. The compartments 51 house the circuit breakers which comprise cams 52 mounted on a shaft 53 which extends through the upper part of the compartment 10 and is driven from the rotor shaft through bevel gearing 67, 68. The gear compartment is made oil-tight by means described in Specification 572,467. The cam is adjustably coupled to the shaft 53 for timing by means of a ring 63 which has a different number of ratchet teeth 61, 62 on its edges engaging corresponding rings of teeth on the adjacent edges of the cam 52 and a sleeve 60 which is splined on the shaft 53 and is held by a nut.
Patent GB-1349921-A (GB)
Title: Light valves
IPC: G02F1/17
Filed: 1971-04-19
Abstract: 1349921 Modulating light RESEARCH FRONTIERS Inc 19 April 1971 [1 April 1970] 25536/71 Heading H4F In a light valve of the type having a suspension of particles which become aligned in an electric or magnetic field disposed between a pair of closely spaced parallel plates, means are provided for circulating the suspension through the cell and for providing a substantially uniform laminar flow between the plates whereby non-uniform optical characteristics in the region between the plates, e.g. due to agglomerates in the suspension or non-uniform flow rates, are avoided and the cell turn off time is reduced. As described, conduits on opposite sides of the cell are connected via a reservoir to an orbital pump and dispersive forces may be applied in the circulating system to break up agglomerates if this is not effected by the pump itself. If the conduits are collinear with the direction of laminar flow, wider reservoir regions are provided in the cell before and/or after the laminar flow region between the plates, or baffles are disposed at either side of the laminar flow region, extending transversely to the flow direction so that laminar flow is obtained. Alternatively the conduits may extend normally to the phase of the laminar flow region. In a further embodiment, the conduits lie in the laminar flow plane but at 90 degrees to the flow direction and baffles on either side of the laminar flow region taper as they extend away from the conduit entrances. The laminar flow tends to align the particles, so that in the de-energized state, light passing through the cell tends to become partly polarized. Therefore switch-off times are reduced by placing a suitably orientated analyser in the optical path, or a second cell with its flow effectively at 90 degrees to the first cell may be used. In the first case the on : off transmission ratio is reduced by the action of the analyser, but the ratio is constant when two identical cells are used. The valve may in fact be transmissive, or reflective if the remote side of the cell has a mirror surface, or alternatively the particles themselves may be reflective. One suspension referred to comprises herapathite needles in iso-pentyl acetate, with nitrocellulose as a protective colloid. Addition of di-butyl phthalate increases the viscosity if desired.
Patent GB-836605-A (GB)
Title: Process for producing imitation eyelet embroidery and products of said process
Inventor: LOHNER ALFRED BILL
IPC: D06Q1/02
Filed: 1956-08-21
Abstract: In the production of eyelets in cellulose base fabrics by printing a corrosive paste thereon, the corrosive paste contains sulphuric acid and there are imprinted, around the portions to be removed, flat or raised edge beads in a pigment paste which contains a monomer or low polymer of a thermosetting resin, e.g. a melamine formaldehyde resin. After imprinting with the resin-containing paste the fabric is briefly dried, and after printing with the carbonizing paste it is exposed for 1-3 minutes to a temperature of 120-140 DEG  C.  The carbonized fabric is then removed, as usual, by washing with a neutralizing agent such as ammonia.  The imprinting may be on one side only of the fabric. The pigment is an organic or inorganic, carbonizing-resistant substance, e.g. titanium dioxide, and the pigment paste also contains a thickener, e.g. tragacanth, and, where pre-dyeing is employed, 5-8% by weight of sodium formaldehyde sulphoxylate. Acid dyestuffs which have no affinity for cellulose may be added to the otherwise colourless carbonizing paste.
Patent GB-1473701-A (GB)
Title: Filter material
IPC: A61L9/01
Filed: 1974-06-10
Abstract: 1473701 Separating gases COLLO GmbH 10 June 1974 [9 June 1973 9 May 1974] 25617/74 Heading C1A [Also in Division A5] A granular filter material finding application in the removal of malodorous and/or foreign gases from the atmosphere, is in the form of spherical beads of particle size less than 10 mm. and having a skeleton core of a second component comprising at least one substance capable of storing moisture and coated with a first component comprising at least one acidic and/or basic chemisorptive substance capable of reacting chemically with the foreign gases. Optional ingredients are: binders for the first component, oleophilic materials such as optionally foamed melamine resin, flame-retardant substances such as diammonium hydrogen phosphate, granulated materials comprising at least one adsorption agent and/or at least one oxidation catalyst, and granulated material containing activated charcoal. Specified examples of the first component are phthalic acid, phthalic anhydride, citric acid, benzoic acid, tartaric acid, p-toluenesulphonic acid, sodium hydrogen sulphate, potassium hydrogen sulphate, ammonium hydrogen sulphate, sodium carbonate, potassium carbonate, calcium oxide, calcium hydroxide, barium oxide, barium hydroxide, sodium metasilicate, lithium carbonate, sodium hydroxide, potassium hydroxide, cement, potash waterglass, double waterglass and soda waterglass. Specified examples of the second component are methylcellulose, carboxymethylcellulose, hydroxyethylcellulose, ethyl cellulose, polyvinyl alcohol, collagen, alginates, pectins, starch, bentonite, montmorillonite, expanded clay, tuff, pumice, brick dust, phenolic resin foam, urea foam, silica gel, waterglass and kieselguhr. The granular filter material may be made into beads by multi-stage granulation and if desired may be adhered to a porous framework, e.g. a cellular plastics material, to form a composite material.
Patent GB-980332-A (GB)
Title: Circuit arrangement for the electronic protection and disconnection of circuits
IPC: G05F1/573
Filed: 1961-07-14
Abstract: 980,332. Automatic voltage control. STANDARD TELEPHONES & CABLES Ltd. July 14, 1961 [July 16, 1960], No. 25674/61. Heading G3R. [Also in Division H2] In a bridge-controlled voltage regulator the output circuit is protected from overload by disconnecting a control stage of the regulator via a feedback circuit from an indicating branch of the bridge. As shown, a load R L  is supplied from an unregulated supply through a regulating transistor T1 controlled through a transistor T2 by a transistor T3 responsive to the output of a voltage responsive bridge network comprising resistors R1 R2, R3 and a transistor T4 the base-emitter bias of which is determined by a comparison between the line voltage and constant voltage from a potential divider connected across a Zener diode GL. On overload, the increase in voltage across a resistor R5, in series with the transistor T1 and the load R L , causes the load voltage to fall to a value which renders the transistor T4 non-conductive so rendering the regulating transistor T1 non-conductive which reduces the voltage across the load R L  to a low value. When the fault causing the overload is eliminated the voltage regulator is rendered operative under no-load by energizing the bridge from the unregulated supply through a switch T and a resistor R6. Alternatively, when the output is loaded the voltage is applied through the resistor R5. In a modification, a transistor T5 is arranged to be momentarily connected in circuit until the regulating transistor T1 takes over. The switch-on can also be effected by biasing the base of transistor T3 from the unregulated supply through a switch T. In other embodiments, Figs. 2 and 3, not shown, the connections for the opposite polarity of supply and alternative transistors are set out.