baber/WOPTO huggingface dataset:
Patent GB-1269255-A (GB)
Title: Improvements in and relating to electric discharge lamp apparatus
Inventor: TAKEI TORU
IPC: H05B41/04
Filed: 1969-08-06
Abstract: 1,269,255. Control systems for fluorescent lamps. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 6 Aug., 1969 [6 Aug., 1968], No. 39329/69. Heading H2H. A system for starting and operating a discharge lamp 13 comprises a reverse blocking thyristor 16 connected in series with 'the filaments 14, 13 of the lamp and the ballast impedance 11, the breakdown voltage of the thyristor 16 being less than the voltage of the supply 8 but greater than the running voltage of the lamp. The ballast 11 is provided with a second winding 12 and in order to ensure adequate heating of the filaments 14, 15 the ballast is arranged to saturate so as to increase the heating current. On closing a switch 10 the thyristor 16 breaks down and half wave current flows in the series circuit to heat the filaments 14, 15. When these are sufficiently heated the lamp 13 strikes whereupon the voltage across the thyristor 16 falls and the thyristor becomes non conductive thereby breaking the heating circuit for the filaments. The thyristor may be replaced by a series combination of a symmetrical 'diode thyristor and a diode.
Patent GB-972878-A (GB)
Title: Electric switch mechanism
Filed: 1962-10-18
Abstract: 972,878. Retractive switches; stencil switches. BOEING CO. Oct. 18, 1962 [Feb. 9, 1962; April 19, 1962], No. 39498/62. Heading H2B. A switch unit of compact construction so that a large number may be accommodated within a given area, for example, in a punch and read-out device, comprises two conductive strips 14, 16 held in grooves in the sides of a hole 12 in an insulating base-plate 10 by a tubular bushing 18 which also acts as a guide for the shank 24 of a shuttle member having a head 22 carrying a conductive ring 22b. Spring 26 urges a shoulder 22d against panel 28 if there is a hole 30a in card or sheet 30. If there is no such hole over the switch unit the shuttle is depressed and ring 22b bridges strips 14, 16. In a modification (Figs. 6 to 8, not shown), the bushing 18 is replaced by a plug carrying a fixed guide rod which enters a bore in the shuttle member. In this embodiment the grooves accommodating the strips are in the plug and the top of the plug is shaped to engage adjacent plugs to prevent rotation. Specification 972.877 is referred to.
Patent GB-992047-A (GB)
Title: Alloys containing pyrolytic graphite
IPC: C22C32/00
Filed: 1962-10-19
Abstract: Alloys of pyrolytic graphite and one of B, W, Ta, Nb, Mo, Si, Ti, Hf, Zr, Al, Th, V and U are produced by contacting a halogen (preferably chlorine) gas with a mass of metal to give a volatile halide which is immediately treated with a gaseous hydrocarbon (e.g. methane ethane, propane or benzene) to deposit the required alloy.  Such alloys can also be made by contacting any volatile compound of the above metals with said hydrocarbon at a temperature of 1500-1750 DEG  C. and alloys containing Al, Th, U or V may also be produced at a temperature of 1750-2300 DEG  C.ALSO:Alloys of pyrolytic graphite and one or more of B, W, Ta, Mo, Nb, SiTiHf, ZrAl, U, Th and V are produced by contacting a halogen (preferably chlorine) gas with a mass of the metal to give a volatile halide which is immediately treated with a gaseous hydrocarbon e.g. methane ethane propane or benzene to deposit the required alloy.  Such alloys can also be produced by contacting any volatile compound of the above metals with said hydrocarbon at a temperature of 1500 - 1750  DEG C. and alloys containing Al, U, Th or V may also be produced at a temperature of 1750 - 2300  DEG C. The substrates for the coatings may be graphite, UC2, glass, ceramics, SiO2, MgO and Al2O3.  The concentration of metal in the alloy is preferably between 0.01% and 5% by weight.
Patent GB-1253801-A (GB)
Title: Fork-lift wheeled vehicle
Inventor: SMITH GEORGE FREDERICK
IPC: A01D87/00
Filed: 1967-08-31
Abstract: 1,253,801. Masted lift trucks; bale lifters for tractors; loading vehicles. G. F. SMITH. 24 Oct., 1968 [31 Aug., 1967], No. 39766/67. Headings B8E and B8H. A vehicle 10 for transporting a load such as a stack of bales comprises a frame 14 having tines 15 raisable by rams 27, Fig. 3, on a frame 18 which is pivotably mounted at 19 on the chassis 11 and which is tiltable by a ram 20 acting on a flexible linkage 21 until the frames and load are resting on a stop 22 with the centre of gravity within the wheel base. A guard frame 45, Fig. 1, encloses the load in a transport position. The tines 15, Fig. 7, are T-shaped and are pivoted to a cross-member 28 of the frame 14 while a bottom cross-member 41 has slots 40 to receive the tines, slotted in the lower part of the upright web, in the rest position. The tines can be adjusted sideways to fit the slots 40 by screws 43 on brackets 44. Side gates 29, Fig. 5, are actuated by rams 32 to hold the sides of a load on the tines 15.
Patent GB-1079320-A (GB)
Title: Improvements in an relating to the extraction of caesium from aqueous solution containing other elements
Inventor: LAVEISSIERE FRANCOISE
IPC: G21F9/10
Filed: 1964-09-30
Abstract: A process for the recovery of caesium from an aqueous phase containing caesium and other elements, particularly from an aqueous phase containing fission products, comprises the formation of a dispersion of mixed ferrocyanides of monovalent cations and cations of transition elements such as Ni, Co, Cu, the flocculation of the said dispersion by means of a quaternary ammonium salt, the extraction of the flocculate from the aqueous phase into an organic phase, the contacting of the organic phase with the aqueous phase containing caesium, and the re-extraction of the caesium from the organic phase by means of an aqueous phase in the presence of cyanide anions and a quaternary ammonium salt. The cyanide anions may be added to the aqueous phase as alkali metal or ammonium cyanide or to the organic phase as quaternary ammonium cyanide. If ferric ions are present in the starting aqueous solution, they are reduced to ferrous ions by reducing agents, e.g. hydroxylamine salts, ascorbic acid, sulphamic acid, nitrites, nitrogen peroxide and nitrous oxides or mixtures of these reagents.  The quaternary ammonium salt, e.g. laurylbenzyldimethylammonium chloride or dilauryldimethylammonium chloride, may be added to the organic or aqueous phase and, when the caesium is initially present in aqueous nitric acid solution, small quantities, i.e. 1.5-10-4-10-3 moles/litre, of the quaternary ammonium salt are added to this solution.  Caesium in the form of its cyanide is present in the aqueous phase recovered and this may be transformed into the sulphate or carbonate for subsequent utilization.
Patent GB-1402800-A (GB)
Title: Resilient felted fibrous web
IPC: D04H1/42
Filed: 1973-08-24
Abstract: 1402800 Non-woven fabric, rendering fibres resilient CONWED CORP 24 Aug 1973 40132/73 Headings DIP and D1R A web of density not more than 61bs/cu ft comprises water absorbent fibres that have been made more resilient by treatment with a resin that does not react chemically with the fibres but which at least in part penetrates the fibres. The fibres may be cotton, wood (kraft, sulphite or raw wood), bagasse, jute, viscose, rayon or acetate rayon. The resin is formed by condensing excess formaldehyde with phenol, cresol, resorcinol or mixtures thereof in the presence of an alkaline catalyst. The resin has a molecular weight of 125 to 3000 and at least the major part is water soluble at infinite dilution and pH 6.5 to 7.5. After penetrating the hollow fibres the resin is cured by heating. Preferably the resin comprises 1.75 to 3% by wt. of fibres so that insufficient resin remains on the outside of the fibres to act as a binder. The web, preferably of density 1.5 to 6 lbs/cu ft may be garnetted or air laid. The fibres may be treated with the resin before forming the web, they may be sprayed with an aqueous dispersion of the resin as they are. air laid and the web then calendered and dried or the resin may be sprayed onto a garnetted web as it is crosslapped. If a bound web is required a styrene-butadiene or vinyl-acrylic self crosslinking elastomer is added to the resin dispersion.
Patent GB-1175470-A (GB)
Title: Spring Loaded Bearing
Inventor: CUTTING EDWARD JOHN
IPC: F16C33/20
Filed: 1968-08-23
Abstract: 1,175,470. Bearings. FORD MOTOR CO. Ltd. 23 Aug., 1968, No. 40313/68. Heading F2A. A bearing sleeve for supporting a rod 17 within a cylindrical housing 16 comprises a sleeve 10 of moulded plastics material and a corrugated spring ring 11 moulded into the sleeve and disposed in a radial plane of the sleeve, the arrangement being such that when the sleeve is in position between the rod and cylindrical housing the inward corrugations 15 of the ring bias spaced portions 14 of the inner surface of the sleeve into contact with the rod, whereby bearing contact of the sleeve with the rod is maintained during wear of the sleeve and radial movement of the rod relative to the housing is cushioned by the resilience of the corrugated spring ring.
Patent GB-1237865-A (GB)
Title: Improvements in or relating to boxes made from cardboard or the like
Inventor: FRY ROBERT JOHN
IPC: B65D5/00
Filed: 1967-09-04
Abstract: 1,237,865. Boxes. E. S. & A. ROBINSON Ltd. 29 Aug., 1968 [4 Sept., 1967], No. 40352/67. Heading B8P. A box comprises a base 2 with side panels 4, each having flange panels 10 extending parallel to the base and the side panels and flange panels having end flaps 8, 12 which are sandwiched between trapezoidal side panels 6 and their extensions panels 14. The panels 14 have tabs 16 which engage with slots 18 and may have side flaps (20), Figs. 3, 4 (not shown), which form angled corner pieces under the flanges 10.
Patent GB-1090500-A (GB)
Title: Variable profile camshaft
IPC: F16H53/04
Filed: 1966-09-09
Abstract: 1,090,500. Cams. M. K. SAUL. Sept. 9, 1966, No. 40371/66. Heading F2K. A cam-shaft carries variable profile cams and consists of two concentric shafts 0, I, the inner shaft I being mounted in bushes B in the outer shaft O, and each cam comprises a central section C 1. , bearing on the outer shaft O and being located angularly by a peg P fixed to the inner shaft I, and end sections C 2 ,  secured to the outer shaft O. Relative angular motion between the shafts O, I is effected by a centrifugal governor comprising a nut N slidably mounted on rods R with respect to outer shaft O and adapted to move along a screw-thread T on the inner shaft I under the influence of centrifugal weights D against the action of a spring F.
Patent GB-1454184-A (GB)
Title: Lubrication system
IPC: F16N7/38
Filed: 1974-09-18
Abstract: 1454184 Lubrication ASSA AB 18 Sept 1974 40755/74 Heading F2A A method of periodically automatically applying lubricant to lubrication points 17 of a vehicle, comprising the steps of supply electrical power and/or signals to a control unit 5 when predetermined equipment in the vehicle is actuated (e.g. via switches 6, 6<SP>1</SP>), operating a counter when said power and/or signals are supplied so as to measure pre-determined intervals of time during which the vehicle is operating, and actuating a valve 9 to cause lubricant to flow from a lubricant reservoir 3 to the lubrication points 17 at the end of predetermined intervals of time measured by the counter.  In the embodiment the switches 6, 6<SP>1</SP> are closed by the ignition key and the handbrake respectively. When the valve 9 is operated electrically it allows air pressure in a tank 7 to operate a differential piston 25, 26, Fig. 3 (not shown) in a pump 11 which force-feeds lubricant from a chamber 27, through a valve unit 12, along a distribution line 15 to a number of metering units 18 which supply the lubrication points 17. A pressure measuring device 19 indicates to the control unit 5 that the lubrication cycle is complete. A shuttle piston 30 and three non-return valves allow the pressure in the distribution system to dissipate and the metering chamber 27 to refill from the reservoir 3.
Patent GB-1180038-A (GB)
Title: Improvements in or relating to Drive Transmitting Arrangements.
IPC: F16D1/091
Filed: 1967-09-07
Abstract: 1,180,038. Mounting members on shafts. HOBOURN-EATON MFG. CO. Ltd. 7 Sept., 1967 [16 Sept., 1966], No. 41035/67. Heading F2U. [Also in Division F1] A rotary member, e.g. a driving gear-wheel or pulley 61, of a rotary positive-displacement pump (see Division F1), is mounted: on the end of a hollow shaft 13 by means of a member 65 which is forced into the bore of the shaft to elastically expand the shaft into frictional engagement with the internal flange 60 of the pulley. To remove the pulley, the spherical member 65 is forced into a wider diameter portion 49 of the shaft 13.
Patent GB-1366899-A (GB)
Title: Lockstitch sewing machines embodying thread control means
IPC: D05B51/00
Filed: 1971-09-03
Abstract: 1366899 Sewing machines, thread tension UNION SPECIAL MACHINE CO 3 Sept 1971 [4 Sept 1970] 41184/71 Heading D1G In a high speed lockstitch sewing machine two discs 12b, 12c provide normal thread tension while an arrangement of cams and interleaved fingers 21 provides additional intermittent friction sufficient to lock the thread from the time that the take-up lever 17 begins to pull the thread up until the time that the stitch is set. The thread passes through eyelets in each finger 14a, 14b, 15a, 15b, 15c (Fig. 4) while raised parts on the periphery of two cams 30a, 30b push the thread outwardly between each finger to increase frictional resistance and lock the thread. Meanwhile raised edges on cams 31a and 31b pull thread from a supply C for the next stitch. The cams are fixed on a shaft 22 which is driven in a 1:1 ratio from the drive shaft 6. The fingers are fixed on a shaft 35 which may be rotated slightly to adjust the position of the fingers between the cams using a knob 62. When the presser foot is raised a lever 40 (Fig. 6) pulls a pin 42 downwards so that a collar 42a depresses a lever 38 and raises a lever 46 so rotating the shaft 35 and raising a pin 47. This pin raises the upper tension disc 12b to release the thread tension.
Patent GB-1222740-A (GB)
Title: Improvements in or relating to containers
Inventor: OATLEY JOSEPH DANIEL
IPC: B65D25/32
Filed: 1968-08-29
Abstract: 1,222,740. Riveting; attaching handles. F. FRANCIS & SONS Ltd. 29 Aug., 1969 [29 Aug., 1968], No. 41218/68. Headings B3A and B3U. [Also in Divisions B8 and F2]  Each end of a bail handle 1 is attached to the tinplate body 3 of a paint can by a rivet 2 passing through aligned holes in the handle and body, the rivet having a shank portion 7 which has an interference sealing-fit with the circumscribing wall of an inwardly-extending circular depression 5 formed in the body wall about its rivet hole 4. The diameter of the rivet shank may initially be 0À187 inch and that of the depression 0À182 inch. A tubular end extension 9 of the rivet, Fig. 2 (not shown), is turned over to secure the rivet. In a modification, the handle may be rigidly secured to the body by one or more rivets.
Patent GB-1138929-A (GB)
Title: Polymers crosslinkable with ultra-violet light
Inventor: SULING CARLHANS
IPC: C08F28/00
Filed: 1967-09-11
Abstract: 1,138,929. Acryloylaminophenyl - sulphonazides; sulphonazido phenyl acryloyloxy urethanes. FARBENFABRIKEN BAYER A.G. 11 Sept., 1967 [15 Sept., 1966], No. 41370/67. Heading C2C. [Also in Division C3] 4 - Methacryloylaminophenyl - sulphonazide is prepared by reacting 4-aminobenzene-sulphonazide with methacryloyl chloride in chloroform and in the presence of sodium hydrogen carbonate and hydroquinone (polymerization inhibitor). N - 3 - or N - 4 - sulphonaziclophenyl 2-(meth)- acryloyloxy-ethyl (or isopropyl) urethanes are prepared by reacting 3- or 4-sulphonazidophenyl isocyanate with an equimolar amount of 2- hydroxyethyl or 2-hydroxypropyl (meth)acrylate in an inert solvent, e.g. benzene or toluene, optionally in the presence of a catalyst such as stannous octoate or triethylamine. The above products are used for preparing U.V.-crosslinkable polymers (see Division C3).
Patent GB-979192-A (GB)
Title: Improvements in or relating to pulverised fuel fired furnaces
Inventor: LEESON LEONARD HERBERT
IPC: F23L15/04
Filed: 1960-12-01
Abstract: 979,192. Heating air for combustion. INTERNATIONAL COMBUSTION (HOLDINGS) Ltd. Nov. 22, 1961 [Dec. 1, 1960], No. 41417/60. Heading F4B. A pulverized-fuel-fired furnace plant includes a furnace 3 to which primary air is supplied through a duct 20 after flowing in series through a recuperative air heater 7 and then through the fuel pulverizers 16, the secondary air path including a regenerative air preheater 9. In the plant shown, provision is made to raise the input air temperature in both heat exchangers to inhibit corrosion. Some of the heated primary air flowing from the recuperator 7 by way of duct 15 is recirculated through a branch duct 17 to the primary air fan 13, thus raising the temperature of the air supplied by the fan through duct 14 to the recuperator. A further branch duct 18 carries a portion of the hot air passing through the branch duct 17 to the air input zone 19 of the regenerator where it is mixed with the secondary air supplied thereto by a fan 21. Heated secondary air passes from the regenerator to the furnace through a duct 24 whilst a mixture of fuel and heated primary air flows to the furnace burners 5 through the duct 20. The furnace gases pass through an economizer 6 and then divide into two ducts 8, 10 respectively supplying the heat exchangers.
Patent GB-1352289-A (GB)
Title: Degraded ethylene-propylene interpolymers useful as viscosity modifiers for lubricants
IPC: C08F8/00
Filed: 1972-09-07
Abstract: 1352289 Oxidized ethylene/propylene copolymers LUBRIZOL CORP 7 Sept 1972 [16 Sept 1971] 41574/72 Heading C3P [Also in Division C5] Oil-soluble, oxidized, degraded ethylene/ propylene copolymers which cause substantially no increase in the fluidity of fuel oil at -20‹ C. when dissolved therein at a concentration of 0À02 weight per cent are prepared by oxidizing and degrading an ethylene/propylene copolymer having a molecular weight of at least 1000 by contacting with an oxygen-containing gas at a temperature of at least 100‹ C. in the presence of a minor amount of an aliphatic amine and for a time sufficient to effect a reduction in molecular weight of at least 5%. The copolymer may also contain up to 10 weight per cent of higher mono olefins and/or conjugated or non-conjugated dienes. The copolymer may be treated with oxygen, air or a mixture of oxygen with an inert gas while dissolved in an inert solvent. In examples mineral oil solutions of ethylene/propylene, ethylene / propylene / dicyclopentadiene and ethylene / propylene / 5 - ethylidene norbornene copolymers are blown with air at 150- 160‹ C. in the presence of C 11 -C 14  t.alkyl primary amines. The products are useful as viscosity modifiers in lubricating oil compositions.
Patent GB-905174-A (GB)
Title: Improvements in or relating to variable gearing
IPC: F16H3/44
Filed: 1958-12-24
Abstract: 905,174. Variable-speed gear. PRIESTLEY, C. Dec. 23, 1959 [Dec. 24,1958],No. 41635/58. Classes 80 (1) and 80 (2). Continuously variable epicyclic gearing comprises a non-circular sun 1 held stationary during running of the gear and meshing non- circular planets 2 in an input driven carrier 6. Each planet 2 is fast with a circular gear 3 coaxial with the axis of rotation of the planet, the gears 3 meshing at one point during a revolution of the carrier with a ring gear 4 eccentric to the axis of rotation of the planet carrier. The gear ratio may be varied either by locking the sun gear in a different angular position, or by varying the angular position of the axis of the ring gear with respect to the axis of rotation of the carrier. In order to permit this last alternative the ring gear is fast with a ring gear 7 meshing a gear 8 concentric with the axis of rotation of the carrier. Gear 8 is fast with a ring gear 12 meshing planets 10 freely rotatable on the carrier 6 and meshing an output sun 11. The shape of the sun 1 and planet gears 2 shown in Fig. 1 is purely diagrammatic, the actual shape being as shown in Fig. 3.
Patent GB-926083-A (GB)
Title: Improvements relating to electric motors
IPC: E01H1/08
Filed: 1961-11-21
Abstract: 926,083. Machines with permanent magnets. W. STAIGER, [trading as STAIGER, FABRIK FUR FEINMECHANIK UND ELEKTROTECHNIK GEB.]. Nov. 21, 1961 [Nov. 21, 1960], No. 41672/61. Class 35. In a permanent magnet motor having a cylindrical rotor of non-magnetic material enclosing the magnet 1 and carrying windings which lie as non-intersecting chords at each of the circular end faces of the rotor, the torque is increased due to these end face windings interacting with the leakage flux. A diametricallymagnetized cylindrical permanent magnet 1 is secured in an iron housing member 2 and enclosed by carrier 8, 19 which carries windings 9 and rotates with shaft 20. The windings are supplied through brushes 12, 14 which are subdivided into a number of tongues and bear on commutator 21, both brushes being mounted on cover 16 but one being insulated therefrom by block 18.
Patent GB-937507-A (GB)
Title: Process for the production of iron-chromium alloys
IPC: C21B13/00
Filed: 1960-12-05
Abstract: Iron chromium alloys of controlled carbon content are obtained from ores of chromium oxide and iron oxide by a duplex process in which a part of the ore is completely reduced, preferably in an arc furnace, with carbonaceous reducing agent to yield a high carbon ferrochromium, while a further part is separately reduced using a restricted amount of carbonaceous reducing agent to produce low-carbon metallic iron and a chromium-bearing slag which is returned to the ferrochromium smelting stage.  The ferrochromium and metallic iron are then mixed and refined, with the addition of other alloying constituents e.g. nickel if desired, to yield the required alloy.  Prior to smelting the ore is calcined, e.g. in a rotary kiln, during which process partial reduction may be carried out; addition of fluxing components so that preferably the slags lie within the range 1.0-2.25 parts by weight of base (calculated as MgO and excluding iron oxide) to 1 part of silica is carried out either before or after calcining. In a modification of the process each smelting step may be preceded by its own calcining step the raw material for ferrochromium production being a chromium containing ore and that for the metallic iron production being an iron ore.  In a further modification additional elements such as nickel may be added as oxide ores at the reduction stage.  Any surplus metallic iron may be withdrawn from the process and used in the production of carbon steel.  Specification 911,992 is referred to.
Patent GB-862349-A (GB)
Title: Improved smoker's ashtray
IPC: B60Q3/02
Filed: 1958-12-30
Abstract: 862,349. Smokers' ash-trays. BATTERSBY, D. J. Dec. 17, 1959 [Dec. 30, 1958], No. 42036/58. Class 130. When an ash-receiving drawer 12 is pulled out the drawer-retaining spring 18 contacts one terminal 32 of a cylindrical electric bulb 23 the other terminal 31 of which is live, thus completing an earth return and lighting the bulb. Cigarettes may be stubbed on a bar 35 or the spring 18. The drawer 12 is of semi-circular cross-section and slides in a body 10 mounted in a vehicle dashboard or seat arm and having a window 22 of translucent " plastic " or frosted glass for the bulb 23. Both the members 10, 12 are die-castings, the former in zinc base alloy. There is a " plastic " fingerpiece 15. Modifications.-Instead of a drawer, a sector-shaped receptacle, pivoting about a horizontal axis at its lower end, or a semi-circular receptacle pivoting about a vertical axis, may be used.