baber/WOPTO huggingface dataset:
Patent GB-960446-A (GB)
Title: Electric time-piece
IPC: G04C3/04
Filed: 1961-02-21
Abstract: 960, 446. Electric timepieces. H. DEMIEVILLE. Feb. 21, 1961 [Feb. 29, 1960], No. 6293/61. Heading G3T. In an electric timepiece an electric circuit is periodically made and broken to deform an electrostrictive element which drives the going train. In the first example, Figs. 1 and 2, the escapement lever 23 oscillates between two pins 26 and 27 to alternately apply a voltage to and remove a voltage from an electrostrictive element 4 which actuates a pawl and ratchet mechanism 14, 15, 16 to wind a spring 20 driving the going train and escapement. In two other arrangements the balance carries a cam which co-operates with switches to make and break a circuit including the element 4 which impulses the balance through a lever member, the going train being driven as before. The use of a transistor type amplifier is suggested.
Patent GB-989744-A (GB)
Title: Improvements in or relating to radiators for heating rooms or buildings
IPC: F28F21/08
Filed: 1962-02-19
Abstract: 989,744. Space heating radiators; lamps combined with radiators. L. GRILLET. Feb. 19, 1962, No. 6317/62. Headings F4R and F4S. A radiator for heating rooms or buildings comprises an externally finned hollow tube 1 of extruded aluminium or aluminium alloy in which each fin 2 is in the form of a helix of elongated pitch and makes an angle with the axis of the tube of less than 10 degrees. A number of such radiators may be connected in parallel to a common inlet and a common outlet. The single radiating element 1, Fig. 4, contains an electrical resistance and is used additionally as a standard lamp. A shade 3 reflects the light and deflects the ascending current of hot air.
Patent GB-234923-A (GB)
Title: Improvements in steam boilers
IPC: F22B33/04
Filed: 1924-03-12
Abstract: 234,923. Owen, W. H. March 12, 1924, Dampers for controlling superheaters. - A boiler of the kind comprising a cylindrical shell A with one or more furnace flues B, and steam generating tubes C so arranged behind and spaced away from the shell as to form a combustion chamber E. from which the gases pass through the tubes to a smokebox F, is provided with a steam superheater or air heater or both. Dampers are provided for regulating the passage of gases through a superheater fitted in the smoke-box.
Patent GB-484343-A (GB)
Title: Improvements in or relating to the manufacture of surgical protheses
IPC: A61C13/00
Filed: 1937-03-03
Abstract: Surgical protheses, particularly dental protheses, are manufactured in the manner usually employed for working up rubber by mixing a solid, preferably comminuted polymerizate with a liquid monomeric or partially polymerized compound to produce a plastic, kneadable mass, filling a mould of the dental flask type therewith and solidifying the mass therein by polymerization of the liquid material.  Suitable polymerizable compounds are vinyl and acryl compounds and styrol.  A mixed polymerizate or mixtures of polymerizates may be employed for the solid material. Polymerization accelerators, e.g. hydrogen peroxide and benzoyl peroxide and regulators, e.g. turpentine oil, may be employed. Additions such as artificial or natural resins, softeners, soluble colours or insoluble pigments, fillers and cellulose derivatives, e.g. cellulose tripropionate or cellulose ethers, may be employed.  Polymerization is effected at temperatures at which bubble formation does not occur.  The mould may be lined with waterglass, gelatine, polyvinyl alcohol &c.  Articles may be repaired in a manner similar to that employed for rubber protheses. In an example, an interpolymer of methacrylic acid methyl ester and acrylic acid butyl ester, in powdered form, is kneaded with a similar monomeric mixture, together with red and white pigments, to form a rubber-like mass which is then packed into a two-part gypsum dental mould, produced in the usual manner. After closing and pressing the mould-parts together, the mould is again opened and further material introduced to ensure complete filling after which the mould is again closed and heated, first to p  60 DEG  C., then to 80 DEG  C., and finally to 100 or 115 DEG  C.  In a further example, the solid and liquid components comprise acrylic acid methyl ester, acrylic acid nitrile, vinyl acetate and methacrylic acid methyl ester.
Patent GB-180440-A (GB)
Title: Improvements in rotary pumps
IPC: F04B1/113
Filed: 1921-02-25
Abstract: 180,440. Neilson, A. Feb. 25, 1921. Revolving-cylinder pumps,-In a rotary pump of the kind comprising a rotary drum d fitted with double-acting pistons a which are reciprocated in diametrical chambers in the drum by means of an eccentric rod &c., the pistons a are each formed with a transverse channel b<2> of a depth approximately equal to half the thickness of the piston, and are arranged at right-angles to each other in diametrical open-ended chambers d<1> adapted to communicate alternately with the inlet and outlet ports j, k. The pistons have clots engaging an eccentric rod c, which may be turned through 180‹ by means of a lever l on the shaft e of the rod c. The pistons are connected to the rod c by links b' pivoted to the pistons and rod. Packing-rods n may be arranged in the covers g of the casing.
Patent GB-1061681-A (GB)
Title: Improvements in or relating to incandescent electric lamps and their manufacture
Inventor: MOORE JOHN ALFRED
IPC: H01K1/50
Filed: 1965-02-15
Abstract: 1,061,681. Electric incandescent lamps. GENERAL ELECTRIC CO. Ltd. Feb. 1, 1966 [Feb. 15, 1965], No. 6391/65. Heading H1F. A lamp, especially one having a tubular envelope 1 with an axial filament 3 of tungsten contains one or more compounds of bromine or iodine with alkali or alkaline earth metals in an amount sufficient to give the saturated vapour pressure of the compound under normal operating conditions of the lamp. In particular, the iodides of sodium, rubidium or barium are specified. The envelope may also contain iodine with or without mercury and/or a rare gas. Instead of iodine, a compound containing hydrogen and bromine e.g. bromoform may be used. The wire 5 at each end of the filament is welded to a foil of molybdenum sealed into the pinch 2 and welded at its outer end to a platinum-clad molybdenum wire 7 welded to a nickel contact 8 enclosed in a ceramic end tube 9. In making the lamp, a side tube 10 is formed having a branch tube 11 containing sodium iodide crystals. After the filament is in place and the end seals completed, the tube is baked and the crystals in the tube 11 heated, an argon filling containing iodine is introduced into the envelope through the tube 10, the crystals are tipped into the envelope and the tube 10 sealed off at 12. A light current and finally the full current at which the lamp will operate is then passed through the filament to complete the recrystallization thereof.
Patent GB-861669-A (GB)
Title: Improvements relating to elastic couplings
IPC: F16D3/80
Filed: 1959-02-24
Abstract: 861,669. Resilient shaft couplings universal joints. HACKFORTH, B. Feb. 24, 1959 [Feb. 25, 1958], No. 6406/59. Class 80 (2). A resilient shaft. coupling comprises arms 7 fixed to, and projecting axially from, a sleeve 5 keyed to one shaft, and alternating with arms 8 similarly projecting from a sleeve keyed to the second shaft. Gas-filled rubber containers 9 are provided between each adjacent pair of arms 7, 8, the containers being clamped by rings 12 to the side walls of the arms, and compressed air being supplied thereto through nipples 11, the hollow interior of the arms and passages 10. A throttle-valve with a variable restriction may be provided in each passage 10. The containers may all be interconnected by gas passages, or groups of containers may be so interconnected. The coupling permits relative axial and angular movement of the shafts as well as relative rotary movement.
Patent GB-414313-A (GB)
Title: Machine for washing laundry
IPC: D06F17/02
Filed: 1934-02-28
Abstract: 414,313. Washing-machines. PERSOONS, J., and PERSOONS, A., Thildonck, Belgium. Feb. 28, 1934, No. 6433. Convention date, March 1, 1933. [Class 138 (ii).] A washing-machine comprises a stationary perforated container 9 wherein the washing is compressed by a plate 11 and to the centre of which washing fluid is delivered by a pump 15 through a perforated pipe 10. The pressure plate is provided with a tubular portion 12 having a cap and a series of racks with the teeth of which lugs 14 carried on the outside of the pipe 10 engage.
Patent GB-901864-A (GB)
Title: Improvements in or relating to ferrite devices
IPC: H01P1/365
Filed: 1961-02-22
Abstract: 901,864. Waveguide ferrite devices. TELEFUNKEN G.m.b.H. Feb. 22, 1961 [March 12, 1960], No. 6473/61. Class 40 (8). The gyromagnetic element of a waveguide isolator or circulator is made of alternately arranged bodies of ferrite and dielectric material whereby a desired degree of temperature compensation may be achieved. The dependence of gyromagnetic resonance frequency on temperature may be modified by suitably changing the demagnetization factors of the ferrite element in different directions and this becomes possible when the element has a diameter greater than its axial length (the axis is the direction of the constant magnetic field). In the device shown in Fig. 1, a cylindrical element is composed of a series of ferrite discs 2 separated by dielectric discs 3. The cylinder is aligned on the axis of a waveguide 1 and is subject to an axial field Ha. In a modification (Fig. 2, not shown) ferrite annuli contiguous with the inner surface of the waveguide are spaced by dielectric discs or annuli. The transverse-field device of Fig. 3 uses an element 2, 3 laminated in accordance with the invention arranged in a rectangular waveguide 1.
Patent GB-737598-A (GB)
Title: Process and apparatus for the production of finely divided materials
Inventor: PODSZUS EMIL
IPC: B22F9/04
Filed: 1953-03-09
Abstract: 737,598. Ball mills. PODSZUS, E. March 9, 1953, No. 6481/53. Class 59. [Also in Group XXXV] In a process of continuously producing fine powders of uniform composition, e.g. laminar metal powders for bronze and like pigments, in a mill provided with means for discharging the flattened material therefrom, the feed of material to the mill is regulated in relation to the total weight of the mill and its contents so as to maintain the weight of material in the mill substantially constant. Apparatus for carrying out the process comprises a beam frame 1, Fig. 1, which is pivoted for tilting movement on knife edges 2, the mill 3 and its driving motor 5 being mounted on opposite sides of the pivot, and material to be flattened being fed to the mill from a container 9 by means of a screw conveyer 14 driven by a motor 8 the circuit to which includes a switch 10 which is connected, by means of a rod 36, to a beam 34 of the frame, the arrangement being such that when the beam 34 tilts upwardly corresponding to an overload of material in the mill, the switch is opened to interrupt the feed to the mill. The switch is preferably a tilting-type mercury switch, Figs. 5 and 6 (not shown). The frame comprises two levers 41, 42 connected to each other by means of two tubular beams 34, 51. The weight of the mill and its contents is balanced by weights 18 additional to the motor 5. Abutments 6 limit the tilting of the beam frame. The material is circulated through the mill by means of a blower 23 and piping which is connected to the inlet and outlet of the mill by means of flexible sleeves 17. Separators 21, 22 are provided. Alternatively, the switch 10 may be omitted and the beam frame used to control the speed of the motor 8 e.g. by means of variable resistances. In a modification, Figs. 3 and 4 (not shown), the beam frame is pivoted on a second frame which is pivoted on a base, the motor driving the mill being mounted on the base and driving a gear which meshes with a gear on the mill, the line of engagement of the gears being in alignment with the knife edges by which the beam frame is pivoted on the second frame.
Patent GB-788629-A (GB)
Title: Stopping light switch, for use on pedal cycles fitted with roller-lever-brakes
IPC: B62J6/04
Filed: 1956-02-14
Abstract: 788,629. Road-traffic signals on vehicles. KNOWLES, H. S. Feb. 14, 1956, No. 4538/56. Class 118 (2). Switch means for automatically lighting a front and a rear lamp on a bicycle fitted with roller-lever brakes when the brakes are applied comprises a contact tongue A insulatingly mounted at the centre of the handlebars d<SP>1</SP>, d2 such that operation of either brake causes a part, s<SP>1</SP> or s<SP>2</SP>, of the lever system to engage contact A and complete the circuit from a battery to the said lamps. The device is primarily intended for cycles provided with dynamo-powered lighting. The tongue A is pivotally arranged in an insulated casing band by means of a lever e may be turned from the position A<SP>2</SP> to an " off " position A<SP>1</SP>, or to a position A<SP>3</SP> where it contacts a screw f to light the lamps continuously. The said lamps are in addition to those provided for the dynamo system.
Patent GB-1432937-A (GB)
Title: Roller shutters
IPC: E06B9/174
Filed: 1972-02-11
Abstract: 1432937 Roller shutter DOVER ROLLER SHUTTERS Ltd 11 May 1973 [11 Feb 1972] 6618/72 Heading E1J A roller shutter (e.g. for a vehicle) formed of pivotally interconnected lathes mounted on a drum is guided at its edges in respective channels 17, part of one of the flanges of the end of the channels nearest to the drum comprising a removable block 19 which may have an arcuate surface for guiding the shutter to the, drum. The drum is mounted on an axle 13 mounted on one end of an arm 7 pivoted at its other end 6 to a bracket 3, the arm having projections engaging in arcuate guide slots 4, 5 in the bracket. A plate 10 is secured to the arm on the side of the 'bracket remote from the arm.
Patent GB-779733-A (GB)
Title: Improvements relating to electron-discharge devices
Inventor: WANG CHAO CHEN
IPC: D01H5/36
Filed: 1953-03-10
Abstract: 779,733. Velocity-modulated tubes. SPERRYRAND CORPORATION. March 10, 1953, No. 6650/53. Class 39(1). The variation in the transverse de-bunching force due to space-charge repulsion in different parts of the beam owing to the different degree of bunching is compensated by making the magnetic focusing field greater at those parts where the bunching is denser. Preferably the device operates with Brillouin flow from a magnetically shielded cathode and the required magnetic field at each point is obtained by substituting the appropriate current density in the bunch at that point in the Brillouin equilibrium equation. In a cascade klystron, separate coils 8, 9, 10 and 11, 12, 13 are arranged respectively between the buncher and cascade resonators 2, 3 and the cascade and catcher resonators 3, 4 and the desired variation of magnetic field along drift tubes 6, 7 is obtained by varying the turns or current in each coil or both. A preliminary focusing coil 14 is provided. The same arrangement may be used in a travelling-wave tube or magnetic disc poles 19, Fig. 2, may be energized by coils 21 surrounding yokes 20. Alternatively the pole-pieces may form say every fifth disc 26, Fig. 4, in a discloaded delay line. The screened cathode 40, Fig. 5, and focusing ring 41 are positioned within the skirt 31 of magnetic pole-piece 30 on which is mounted anode 36. A formula is given for determining the proper position of the point A (where the beam is parallel) from data relating to the shape of the curve giving the axial variation of magnetic flux, which is stated to show a maximum at a certain distance in front of the pole-face. Specific dimensions and data in an example are given. Specification 729,812 is referred to.
Patent GB-683670-A (GB)
Title: Improvements in or relating to fluid flow control valves
Inventor: HARRISON WALTER MOSTYN
IPC: F16K11/065
Filed: 1951-03-20
Abstract: 683,670. Sluice valves. TEDDINGTON CONTROLS, Ltd. March 20, 1951, No. 6686/51. Class 135. A gate valve comprises a housing 1 with an inlet 4 and outlets 5, 5a, a metal grid plate 6 extending across the outlets, and a grid-like closure member 10 of carbon or other self-lubricating material which slides on the plate 6, the relative positions of the slots in the plate and member being such that with the member positioned as shown, the outlet 5a is closed and the outlet 5 fully open, whilst upward movement of the member progressively opens outlet 5a and closes outlet 5. The closure member is urged against plate 6 by springs 12 mounted in pockets 13 in the housing, and is moved by a frame member 17 slotted for engagement by a roller 19 carried on a crank 20 operable either manually or, e.g. by an electric motor 22.
Patent GB-548466-A (GB)
Title: Means for operating an electric switch or other movable device through a partition, wall or the like
IPC: H01H36/02
Filed: 1941-05-28
Abstract: 548,466. Magnetic switches. CONTACTOR SWETCHGEAR, Ltd., and BRADBURY, C. A. May 28, 1941, No. 6818. [Class 38 (v)] A float-operated switch is operated with a quick action through a wall or partition by means of a. magnet on one side of the wall attracting an armature on the other. In the form shown, the switch 3 is mounted on the wall 1 of a tank containing a float connected by a rod 17 to a lever 18 pivoted at 19. As the float falls the lever 18 carries round with it a lever 15 carrying a magnet 16 which is thus brought against iron studs 14 and serves to attract an armature 12 on a contact arm 9 against the bias of a spring 13. When the float rises the lever 18 moves before the lever 15 a spring 27 between them being strained and affording a quick movement to the magnet 16. In modifications, a toggle linkage is connected to the lever 15.
Patent GB-374136-A (GB)
Title: Improvements in or relating to floating roofs for liquid storage tanks
IPC: B65D88/34
Filed: 1931-03-05
Abstract: 374,136. Tanks. CHICAGO BRIDGE & IRON CO., 1305, West 105th Street, Chicago, U.S.A.-(Assignees of Day, C. La V.; 1305, West 105th Street, Chicago, U:S.A.) March 5, 1931, No. 6889. Convention date, Jan. 10. [Class 69 (i).] A floating cover for a tank comprises a flat sheet 13 supported by a pontoon 12, projecting above the sheet, and/or having its outer edge deeper than its inner edge. The sheet may be flexible, or be stiffened by trussing. The cover may have manholes 16, 17, a gauge hatch 18, a vent tube, and a sump 19 drained by pipes 21.
Patent GB-214594-A (GB)
Title: Improvements in or relating to knitted fabric
IPC: D04B1/00
Filed: 1924-03-18
Abstract: 214,594. Clements, E. A. April 18, 1923, [Convention date]. Knitted fabrics. - A double - faced knitted fabric has the yarn on one face knitted into the loops of the stitches on the other face. Fig. 1 shows one form of fabric in which the front yarn 2 is knitted into the loops of the stitches of the back yarn 1. The two faces of the fabric may be made of different materials such as wool and cotton and may be separately unravelled.
Patent GB-873636-A (GB)
Title: Improvements in or relating to drilling apparatus
Inventor: ANDERSON BERNARD WILLIAM
IPC: B23B47/18
Filed: 1958-03-05
Abstract: 873,636. Hydraulic apparatus. ENGINEERING RESEARCH & APPLICATION Ltd. March 3, 1959 [March 5, 1958], No. 33070/58. Class 69 (2). [Also in Group XXII] An electrically-controlled hydraulic drilling and tapping machine comprises a spindle 22 rotated within a quill 18 which forms the piston-rod of a feed-piston 30 in a cylinder 29. Bolts 20, 21 secure the parts of the cylinder to the front plate 13 of the machine. The feed-piston 30 is operated by oil expelled from chambers 38, 39 by inflating bags 40, 41 with air from a supply 53 to a two-position valve 55 operated by a spring and a solenoid 56. Valve 55 is connected to a similar spring-andsolenoid operated valve 68 which supplies the air to bag 41 for forward movements of the drill and to bag 40 for rearward movements. Chamber 38 is connected to the forward end of cylinder 29, through a flow-adjustment valve 43, chamber 39 being connected to a spring- and-solenoid operated two-position valve 49, through a port 45 and a port 46 having spring- controlled means (Fig. 6, not shown) allowing free-flow into chamber 39 but restricting flow in the opposite direction for feed movements of the drill. Valve 49 is connected to the rear end of cylinder 29.
Patent GB-695496-A (GB)
Title: Improvements in or relating to the purification of hydrogen sulphide
Inventor: MARSH JOHN DAVID FRANCIS
IPC: C01B17/16
Filed: 1951-03-27
Abstract: Hydrocyanic acid is removed from gases containing more than 10 per cent hydrogen sulphide by reacting the gaseous mixture with water vapour originally present and/or added, at 150 DEG -500 DEG C, preferably 200 DEG -400 DEG C, in the presence of a catalyst to form ammonia and carbon monoxide and removing the resulting ammonia by washing.  Catalysts are, or initially take the form of, oxides, hydroxides, or partially dehydrated hydroxides of aluminium, titanium, zirconium, thorium, cerium, iron, manganese, molybdenum, cobalt, chromium, vanadium, or nickel, or sulphides, or <PICT:0695496/III/1> partially sulphurized oxides or hydroxides of these metals excluding aluminium, supported or not on an alumina or china clay carrier.  Gaseous mixtures resulting from the recovery of H2S from coal gas are cooled in 11 to 72 DEG C to condense part of the contained water vapour and leave a volume excess of 50 per cent over the HCN, and are preheated to 300 DEG C in 12 by combustion products from thermostatically controlled burner 13, before passage through thermally insulated catalyst chamber 17 containing a basket 15 of catalyst 16 e.g. g -Al2O3, g -AlO-OH, orthotitanic acid zirconium, thorium, or cerium hydroxide of 3/16 inch to 3/8 inch. The gases pass out through the annulus, between basket and chamber, and pipe 18 to cooler 19 where they are cooled to 25 DEG C, and thence through washer 20 containing ceramic ring packing, where a countercurrent stream of water from 21 forms an ammonia solution which is withdrawn at 23, while resulting gases are drawn off at 24. Alternatively, the excess water vapour content of the gas mixture, if insufficient, may be adjusted by addition of steam or by contact with warm water, the ammonia may be washed out with sulphuric acid, and the gas may be preheated by internal electric heaters.  In an example (3) a titanium catalyst is prepared, by stirring cold 5 per cent titanous chloride solution with excess cold 10 per cent ammonia, filtering off and washing the titanous hydroxide precipitate, pressing the wet filter cake at 1 ton/sq. in., drying and finally oxidizing to orthotitanic acid in air at 50 DEG C.
Patent GB-122568-A (GB)
Title: Safety Coupling for Motor Ploughs and the like.
Inventor: FORBES ALEXANDER JOHN
IPC: A01B61/02
Filed: 1918-04-29
Abstract: 122,568. Forbes, A. J. April 29, 1918. Couplings for tractors.-A spring safety coupling for motor-ploughs &c. has a link 1, a pivoted draw-bar 3, and a light pivoted spring 2, the draw-bar and the spring acting as compound levers The end 9 of the draw-bar 3 engages the spring 2 near the pivoted end, and the free end of the spring engages the hook 7 of the draw-bar so that the draw-bar and plough &c. may be released when an obstruction is met.
Patent GB-257835-A (GB)
Title: Improvements in and relating to shoe trees
IPC: A43D3/14
Filed: 1926-03-15
Abstract: 257,835. Schoshusen, A. March 15, 1926. Trees.-A shoe tree comprises a tubular member 10 secured to a heel portion 9, a rod 12 connected to a toe portion 8, and telescoping into the member 10, and a spring 17 encircling the rod 12 and acting on the end of the tubular member, a second tubular member 18 encircling the spring and the member 10. The toe part 8 has a hinge member with two ears 21 to engage a single member 13 on the tubular part. A part 24 on the member 13 acts as a stop to limit swinging of the hinge when in use.