baber/WOPTO huggingface dataset:
Patent GB-303631-A (GB)
Title: Improvements in and relating to the production of stencil sheets for use in duplicating
IPC: B41N1/24
Filed: 1927-12-06
Abstract: 303,631. Waele, A. de. Dec. 6, 1927. Stencils.-A stencil sheet for use in duplicating is coated with a composition comprising, as the essential gelatinizing constituent, a cellulose derivative, such as a cellulose ester, an hydroxy fatty acid in the free state being included in the composition as tempering-agent. An example of a suitable composition comprises nitrocellulose as the cellulose ester and ricinoleic acid as the tempering-agent; the ratio of nitrocellulose to ricinoleic acid depends on the viscosity of the nitrocellulose solution and is usually from 1 : 10 to 1 : 16 parts by weight. A composition may be prepared by adding 1200 grams of a titanium white pigment and 4000 grams of ricinoleic acid to 6.6 litres of a 6 per cent solution of scrap photographic film dissolved in a mixture comprising one and a half parts by volume of alcohol with one part of ether, and then adding 6 litres of ether-alcohol of the same proportions. Yoshino paper is coated with the composition, and the sheets are dried at atmospheric temperature and at a humidity corresponding with a reading of 50‹ F. on a wet bulb thermometer.
Patent GB-188984-A (GB)
Title: Improvements in and relating to pulverizer attachments for tractors
IPC: A01B27/00
Filed: 1921-12-08
Abstract: 188,984. Bordsen, E. K. M. Dec. 8, 1921. Rotary-tool machines.-A rotary soil pulverizer for attachment to the furrow wheel 1 of the tractor of a plough, comprises a tapered skeleton drum 13 having inclined bars 16 extending across its surface and carrying teeth 17. The shaft 2 of the drum has a hub 3 at its inner end, the hub being provided on its periphery with members 4 which project through the spaces between the spokes 5 of the tractor wheel. Plates 6 having clamping-lugs 8 are pivoted on the members 4, and are adapted to be turned downwards against the inner side of the spoke-supporting flange 7 of the tractor wheel hub; they are secured in this position by bolts 9 passing through holes in the lugs 8 of adjacent members. The spokes 12 at the inner side of the drum are extended beyong its rim and secured to the flange of the tractor wheel by bolts.
Patent GB-512237-A (GB)
Title: Improvements in and relating to the control of electric winding engines and the like
IPC: H02P3/18
Filed: 1937-11-30
Abstract: 512,237. Control of A.C. motors. BRITISH THOMSON-HOUSTON CO., Ltd., PETCH, T. H., and LIDDIARD, H. W. C. Nov. 30, 1937, No. 33071. Drawings to Specification. [Class 38(iii)] Non-regenerative braking.-The system described in Specification 493,354, is modified in that the contacts opened upon return of the controller towards its off position are effective if no deceleration is produced to render the controller effective to brake the motor by disconnecting it from the supply and applying directcurrent to its primary winding. The directcurrent is obtained from a generator the field of which may be controlled. After the motor has been braked by the application of directcurrent, it may be brought to rest by re-connection to the supply in the reverse direction. The starting and braking of the motor may be controlled by the same resistance controller, as described in Specification 493,354, or separate controllers may be provided. In this latter case both controllers may comprise eitherresistances controlled by contactors, or liquid controllers. Alternatively one controller may be of the liquid type and the other of the contactorcontrolled resistance type. Specification 494,900 also is referred to.
Patent GB-338342-A (GB)
Title: Improvements in revoluble handle controls of handle bars of motor bicycles and the like
IPC: B62M25/04
Filed: 1929-11-02
Abstract: 338,342. Lewis, W. J. Nov. 2, 1929. No Patent granted (Sealing fee not paid). Control mechanism.-In revoluble handle-bar controls for motor cycles, the end of the handle-bar a<2> has fixed to it a sleeve c formed with a longitudinal straight groove c<2> in which work two independent slides g, i connected to Bowden cables x, y, the, slides being actuated by two independent rotary tubular members h, j arranged end to end over the sleeve and formed with helical slots to engage the respective slides. The groove c<2> extends from end to end of the sleeve c, and is formed by outwardlybent flanges on the sleeve, which is slit diametrically at the ends so that it can be secured to the handlebar a<2> by clamping-rings d, e. The rotary members h, j are separated by a ring f carrying a block f<2>, which fits into the groove c<2>, and serves as a guide for the wire x, and at each end as a bearing for the rotary members. The rotary member h is provided with a vulcanite &c. hand-grip, and the rotary member j with a knurled actuating- collar j<3>, a non-rotary sheath m surrounding the member j.
Patent GB-186863-A (GB)
Title: Improvements in the construction of toy animals
IPC: A63H3/46
Filed: 1921-12-12
Abstract: 186,863. Jensen, C. Dec. 12, 1921. Animals.-The jointed members of stuffed toy animals are secured to the body by bolts and nuts, washers 5, 6 and 7, 8 of cardboard and metal respectively being placed between the abutting surfaces of the body and members.
Patent GB-154540-A (GB)
Title: Improvements in carburetters for internal combustion engines
IPC: F02M7/26
Filed: 1920-11-26
Abstract: 154,540. Girin, A. Nov. 28, 1919, [Convention date]. Spray carburettors.-In a carburettor in which an air-supply valve S and a fuel valve I are simultaneously controlled by the means described in Specification 148,158, the fuel nozzle comprises an annular chamber E, the inner tube being of Venturi form and having fuel orifices G at the narrowest part. Air enters the inner tube through inlets N', a chamber N<2>, and inlets O, the inlets N<1> being closed by the air valve S in its lowest position. The valve S controls the main air inlet U and is fitted with a Venturi tube T surrounding the nozzle. The tube R which actuates the air valve S also controls the annular space P<1> around a tube P communicating through a conduit Q with the air chamber N<2>. The fuel valve I is a plate sliding in a slot in the lower end of the tube H and is actuated by a lever K as described in Specification 148,158. The Specification as open to inspection under Sect. 91 (3) (a) also describes a constant-level device comprising a pair of hemispherical floatchambers X, Fig. 6 (Cancelled), the hemispherical floats Y being pivoted at Y<1> and connected by a piece Y<2> engaging beneath a fuel inlet valve. This subject-matter does not appear in the Specification as accepted.
Patent GB-603133-A (GB)
Title: Process for making selenium dioxide
IPC: C01B19/00
Filed: 1945-12-11
Abstract: Pure selenium dioxide, free from elemental selenium, is made by oxidizing vaporized selenium with an oxygen containing gas, e.g. air, air enriched with oxygen or pure oxygen, in the presence of a solid catalyst selected from the oxides of copper, chromium and manganese. The catalyst, which may also contain an alkali oxide, may be prepared by saturating a porous lumpy catalytically inert ceramic material with a water solution of copper nitrate, potassium bichromate or potassium permanganate, drying and calcining.  In one embodiment, selenium is introduced into a retort 14 and vaporized by combustion means 15, the vapour being oxidized by an oxygen containing gas, which may be pre-heated and introduced through nozzles 20, during its passage over the catalyst 24 disposed at various levels on screens 23 in a chamber 22 the controlled temperature of which is provided by jackets 25 containing electrical resistance heaters and the combustion products from 15 passing through an intervening space formed by a surrounding hollow chamber 26.  The gaseous products pass to a condenser 29 from which condensed selenium dioxide is withdrawn through lower end 30 and the gases pass on to an electrical <PICT:0603133/III/1> separator, wherein solid materials are separated to leave gases which are exhausted through pipe 34.  A secondary source of oxygen-containing gas may be supplied, if required, at one or more points 35 in the catalytic chamber.
Patent GB-211276-A (GB)
Title: Improvements in stands or supports for cycles, particularly motor bicycles
IPC: B62H1/02
Filed: 1922-12-08
Abstract: 211,276. Harter, G. Dec. 8, 1922. Supports for cycles, particularly motor-cycles, each comprise an arm a, Fig. 2, pivoted at a<1> to a plate c attached by means of channed-shaped brackets e to the footboard d. The arm a is strengthened by a rod i connected directly to it at its lower end and fastened at its upper end on the spindle a'. The end of the arm may be notched as at a<3> or roughened to engage the ground, or may be fitted with a shoe a<4> also notched or roughened. A strut b having a pivot b<1> spaced from and preferably higher than the pivot a<1> engages, at its lower end, teeth a<5> on the arm a and holds it in operative position against the action of a spring f attached to the arm and to a plate h. A similar spring g may also be connected to the strut b. When closed a stop k bears against the footboard d. Pressure on a pedal j brings the support into operative position. A support of this kind may be mounted on each side of the motor-cycle, the supports being independent or connected together. In a modification the arms a, b are pivoted to a horizontal plate having turned-down edges and formed integral with the lower part of a clamp embracing a cross-tube on the cycle, the upper part of the clamp carrying a foot-rest. In further modifications the arms mav be pivoted directly to footboards or pivotally connected to the cycle in any other manner. The arm a may be locked in operative position by an automatic or positive locking-device, one form of which is shown in Fig. 10. The lock casing r is mounted on the end of the strut b and contains a spring-pressed dog q, the end q' of which engages the under side of the arm a or a flange or projection thereon and is held in position by a ward 8. The ward is released by a key inserted into a key-hole s<3>.
Patent GB-814743-A (GB)
Title: Improvements in windscreen wiper actuator mechanisms
Inventor: SIMPSON WILLIAM EDWARD
IPC: B60S1/08
Filed: 1955-11-24
Abstract: 814,743. Toothed gears. GENERAL MOTORS Ltd. Nov. 12, 1956 [Nov: 24, 1955], No. 33726/55. Class 80 (1). [Also in Group XXIII] An electrically operated windscreen wiper mechanism comprises a manually operated switch and a second switch comprising a movable contact embodied in a gear-wheel for rotating the wiper actuating shaft and a fixed contact engaging the movable contact but which is electrically disconnected therefrom in a predetermined position of the shaft. As shown, a wormwheel 5, made of a synthetic plastic material, e.g. nylon, driven by a worm 4 on a motor spindle has a metal disc 9 flush with its surface, the disc having a 90 degrees sector removed. A resilient contact 15, attached to an insulating cover 10 by a pin passing therethrough and connected to a second resilient contact 17, engages the disc 9. The resilient contact 17 engages a fixed contact 19 and is engaged by a manually operated lever 22 adjustable into three positions, one in which it is disengaged from the contact 17, one in which it engages the contact 17, and one in which it engages the contact 17 but disengages the contact from the fixed contact 19. In the first position the motor is switched off, in the second position the motor is rotated at slow speed, and in the third at high speed. On moving the lever 22 to the " off " position the motor circuit is completed through the switch 9, 15 until the 90 degrees gap in the disc 9 comes in contact with the fixed contact when the motor is stopped. The gap is so arranged in relation to the position of the wiper arm that the latter is in the " parked " position when the motor is switched off.
Patent GB-839658-A (GB)
Title: Improvements in or relating to smokers' pipes
IPC: A24F7/02
Filed: 1957-10-29
Abstract: 839,658. Tobacco pipes. KEYSER, P. E. Oct. 13, 1958 [Oct. 29, 1957; Aug. 6, 1958], Nos. 33790/57 and 25258/58. Class 130. An adapter, enabling pipe bowls 10 (or stems) having sockets 12 of differing diameters to be fitted to stems 11 (or bowls) having sockets 13 of uniform size, comprises a sleeve 17 of material elastic at normal room temperature, e.g. polyvinylchloride, polythene or hard natural rubber, retained without rotation in a socket 13 and having a portion 20 expandible into contact with a socket 12 by tightening of a hollow screw 26 passing through the sleeve 17 and engaging a threaded stem portion 43. The socket 13 may be cylindrical with axial flutings, the coacting portion 19 of the sleeve 17 having a reduced internal diameter so as to be initially expanded, by passage of the screw 26, into close contact with the socket 13. The screw 26 may have a tapered shank, with or without a cheese head, or a parallel shank with either a countersunk head or a cheese head which may be undercut to locate the sleeve 17. The sleeve portion 20 may be initially smaller or larger in external diameter than the portion 19. The sleeve 20 has a shoulder 18 retaining a metal ring 31. The socket 13 may be formed directly in the mouthpiece 11 but as shown is in a metal spacer 42 forming a trap chamber 45 with the mouthpiece proper. In a modification, the socket is a metal liner of hexagonal section which may have internal axial flutings, let into the mouthpiece or having it moulded therearound, and coacting with a hexagonal section portion 19. According to the first Provisional Specification (a) the adapter may be integral with the mouthpiece or a member spigotted thereto or may be used either to secure a connector piece to the mouthpiece or the tubular fitting of Specification 696,553 to the pipe bowl, (b) an adapter may be used which stretches a sleeve to reduce it to a diameter fitting a mouthpiece or bowl socket, and (c) the sleeve may be of a material adjustable only on chemical softening, or a thermoplastic synthetic resin adjustable only on heat treatment. According to the second Provisional Specification, the ring 31 and mouthpiece may be of nylon or vulcanite, and the portions 19, 20 of equal external diameter.
Patent GB-797334-A (GB)
Title: Process and apparatus for the production of combustible gas
Filed: 1956-11-06
Abstract: 797,334. Gas manufacture. SOC. DE CONSTRUCT(ON D'APPAREILS POUR GAZ A L'EAU ET GAZ INDUSTRIELS. Nov. 6, 1956 [Jan. 27, 1956], No. 33891/56. Class 55 (2). Hydrocarbons are passed through a cracking- chamber containing a catalyst which is heated by the combustion of fuel within the chamber, the products of combustion and the gas-making hydrocarbons being kept substantially separated in the chamber. The catalyst C is heated by radiation from a roof V which is heated by the combustion of fuel and air admitted at 1, 2. The products of combustion leave at 5 and are separated from the gas-making hydrocarbons admitted at 4, by an intervening layer of gas (air and/or steam) admitted at 3 and exhausted at 6. The hydrocarbons may be distributed over the catalyst by a refractory grid structure D, and the catalyst may be in two or more layers, air being admitted between the layers for partial combustion of the hydrocarbons, further to heat the catalyst. Checker work may be arranged in the passages 2, 5, 3, 6 for regenerative reversed working, or heat-exchangers, boilers or the like may utilize the waste heat in one-way working.
Patent GB-729417-A (GB)
Title: Improvements in and relating to a chronograph
IPC: G04B47/06
Filed: 1953-12-07
Abstract: 729,417. Watches. FABRIQUE SOLVIL DES MONTRES P. DITISHEIM SOC. ANON. Dec. 7, 1953 [Sept. 23, 1953], No. 34008/53. Class 139. A chronograph having at least one central seconds hand 1, Fig. 1, is characterized in that it includes at least two annular interchangeable dials 9, E, Figs. 1 and 2, adapted to be positioned selectively round a central dial 5 carrying the totalizers 6, 7, said dials being readily accessible after removal of the bezel 17 and being provided with means 12, 8 for their temporary manual fastening to a carrier plate 3 secured to the casing of the chronograph. The plate 9 carries a seconds' scale and each plate E carries a distance scale from which may be obtained the distance travelled at a given speed after the time indicated by the hand 1 and totalizers 6, 7. Each plate 9, E has two diametrically opposite pins 12, Figs. 2 and 3, grooved at 14 to engage slots 8, Fig. 1, in the carrier plate 3. The bezel 17 has depending resilient tongues 19, Fig. 4, by which it is removably fitted to the case 4 and a groove 18 for receiving the glass 23.
Patent GB-847137-A (GB)
Title: Improvements in or relating to linking machines
IPC: D05B7/00
Filed: 1957-11-02
Abstract: 847,137. Sewing machines. MONK (SUTTON IN ASHFIELD) Ltd., S. A., and MONK, S. A. Nov. 21, 1958 [Nov. 2, 1957], No. 34251/57. Class 112 The dial of a linking machine has an outward extension H formed with grooves J adapted to support and to resist lateral displacement of the inner ends of the fluted portions F of the points. The dial comprises a ring A having a flat upper surface C, and an inclined inner surface B formed with radial grooves D for the shanks E of the points. Ring A is clamped to a base A<SP>1</SP> by a ring G secured to base A<SP>1</SP> by screws.
Patent GB-1457380-A (GB)
Title: Separation of carbon black from water
IPC: C09C1/48
Filed: 1975-08-18
Abstract: 1457380 Carbon black RUHRCHEMIE AG 18 Aug 1975 [23 Aug 1974] 34283/75 Heading C1A [Also in Division C5] Carbon black is separated from water by contacting with the thick oil obtained as a byproduct in the oxo synthesis consisting of the reaction of olefins with CO and H 2  and then concentrating the thus obtained suspension of C black in thick oil in a plate separator. The process is particularly applicable to synthesis gas manufacture wherein oxygen 1 and fuel oil 2 are reacted 3 and the reaction gas is scrubbed with water to remove C black. The C blackwater mixture from the scrubber 4 is mixed with the thick oil 8 in a decanter 7. The aqueous phase is separated and recycled 11 to the scrubber 4. The oil/C black phase is passed to a plate separator 10. The classified phase is recycled to the decanter 7 and the thickened phase typically containing 10-15% C black is mixed 15 with fuel oil and recycled 16 to the reactor 3, with a portion to the plate separator 10. The oxo synthesis plant from which the thick oil is obtained may be upstream of the synthesis gas plant and the oil typically contains 2-ethylhexanol 2-ethylhexenal and butyl acetals thereof, n and i-butyl formate, dibutyl ethers, n- and ibutyl esters of n- and ibutyric acids, trimeric butyraldehydes and butyrates of 2- ethylhexanediol.
Patent GB-332164-A (GB)
Title: Improvements in or relating to electric incandescent lamps
IPC: H01K1/70
Filed: 1929-11-11
Abstract: 332,164. General Electric Co., Ltd., (Assignees of Patent-Treuhand-Ges. f³r Elektrische Gliihlampen). Nov. 13, 1928, [Convention date]. Cut-out arrangements; multiple-filament lamps. - In a cutout for series-connected lamps comprising an insulating layer which is arranged in the cap between the filament leads, and is adapted to break down when the filament burns out, a nodule of readily fusible material hermetically encloses the place adapted to break down. As shown in Fig. 1, the cut-out of a cylindrical lamp 1 consists of a bright copper wire 11 connected to the sleeve 10 of an Edison cap, and an aluminium wire 12, which is connected to a contact 9 and is covered with an oxide layer 13. The overlapping ends of the wires 11, 12 are embedded in a nodule 14 of a metal such as lead, or a fusible cement, artificial resin or shellac. In a modification, Fig. 2 (not shown), a spherical lamp has a bayonet cap in which contiguous portions of the filament leade are coated with oxide and enclosed in a fusible nodule. The lamps may have a second filament which is connected in circuit upon operation of the cut-out.
Patent GB-982446-A (GB)
Title: Improvements in and relating to high performance electron beam appliances
IPC: H01J37/301
Filed: 1963-08-30
Abstract: 982,446. Ion trapping in cathode-ray tubes. BALZERS PATENT - UND LIZENZANSTALT. Aug. 30, 1963 [Sept. 8, 1962], No. 34372/63. Heading H1D. An electron beam apparatus for melting, evaporating, or machining materials, includes an evacuable working chamber, an electron gun, and an ion-screening electrode-which may be the gun accelerator electrode-for protecting the gun cathode from positive ions formed in the working chamber, the cathode being negative and the screening electrode positive with respect to the walls of the working chamber. The electron beam from a cathode 9 passes through an accelerator electrode 10 insulated by rings 17, 18 and having a cylindrical portion 26, and through an electromagnetic or electrostatic focusing and deflecting system 11, 12, 13 having a pump connection 15, into an evacuated working chamber 1, with pump connection 2, where it is incident upon a crucible or workpiece 5 held upon a support 4. Electrode structure 10, 26 is connected to a source of positive potential of 100 volts to several Kv through a protective resistor 23, and prevents the passage therethrough of positive ions from the chamber 1 and beam path 25; additionally, when at high positive voltages, the beam current is enhanced. Cylinder 26 may be dispensed with, or may be separate from accelerator 10, which latter, in this case, need not be positive.
Patent GB-393334-A (GB)
Title: Improvement in or connected with spring mattresses
IPC: A47C23/145
Filed: 1931-12-11
Abstract: 393,334. Helical springs. MYER, L. H., 83, Vauxhall Walk, Kennington, London. Dec. 11, 1931, No. 34394. [Class 108 (iii).] A spiral spring E<1> is attached at one end to a mattress frame A, and a cap F rotatably engaging between the turns of the spring carries a loop or hook 1 engaging a mattress. The hook 1 rotates in a central hole in the cap F, which has a further opening F<1> and grooves F<2>, F<3> to engage the spring, the fixed end of which has an eye or loop. Specification 359,762, [Group XIV], is referred to.
Patent GB-1334893-A (GB)
Title: Electromagnetic pump
IPC: C22B9/05
Filed: 1971-07-22
Abstract: 1334893 Treating a metal with a gas GROUPEMENT ATOMIQUE ALSACIENNE ATLANTIQUE 22 July 1971 [4 Aug 1970] 34543/71 Heading C7D [Also in Division F4] Means for treating a metal, e.g. aluminium, with a gas comprises an inlet pipe 1 and an outlet pipe 8 discharging treated metal into a crucible 9, the said pipes being connected by one of their ends to the conduit of an electromagnetic pump 6 by means of joints 7, the conduit being made of a porous refractory material 5 disposed inside a metal tube 14 connected to a source of treatment gas. The refractory may be alumina or zirconia. An air ejector may be provided to prime the pump. The gas may be N 2  or Cl 2 .