baber/WOPTO huggingface dataset:
Patent GB-1061399-A (GB)
Title: Improvements in cable entry seals
Inventor: THOROGOOD GORDON GRANT
IPC: H02G3/06
Filed: 1964-11-27
Abstract: 1061399 Cable grommets BELLING & LEE Ltd 27 Nov 1964 48223/64 Headings F2H and H11B A cable 10 is supported and sealed where it passes through a partition 9 by a grommet having a tapered bore 7, an initially closed end portion of the grommet being doubled back by the passage of the cable which is forced through that end from the outside of the sleeve.
Patent GB-1327470-A (GB)
Title: Television systems
IPC: H04N5/217
Filed: 1971-10-18
Abstract: 1327470 Television SIEMENS AG 18 Oct 1971 [23 Oct 1970 26 Jan 1971 27 July 1971] 48313/71 Heading H4F Interference effects in a television picture due to a difference between picture frame frequency and the frequency of the power source for the subject illumination are elminated or minimized by the use of a filter circuit tuned to twice the power frequency. Figs. 2a-2f illustrate one method; Fig. 2a shows a video signalrepresenting one line of a scan representing four vertical bands of increasing luminance, the multiple lines indicating the variations in luminance as the vertical scan proceeds due to variations in illumination intensity resulting from (say) fluorescent lighting with a 100 Hz brightness component. By the use of a logarithmic unit the signal is modified so that these variations are of the same amplitude for all luminance levels above black (Fig. 2b), a band-stop filter tuned to 100 Hz produces the signal of Fig. 2c, a limiter the signal of Fig. 2d, an antilog unit that of Fig. 2e, and finally the sync. signals are added to produce the improved output of Fig. 2f. An arrangement may be provided to disable the filtering if the video signal itself has a large 100 Hz component, In a modification the 100 Hz component may be extracted, given a phase reversal and fed back as a compensatory signal.
Patent GB-1095821-A (GB)
Title: Hydraulic machines having reciprocatory pistons
Inventor: SCOTT GEORGE WILLIAM PEARSON
IPC: F01B3/10
Filed: 1963-12-10
Abstract: 1,095,821. Reciprocating motors and pumps. SERCK R. & D. Ltd. Nov. 26, 1964 [Dec. 10, 1963], No. 48665/63. Heading F1A. In an axial piston motor or pump comprising a rotary cylinder block 10, Fig. 1, engaging a stationary, angularly adjustable valve plate 17 through complementary part-spherical or flat surfaces, the surface of the valve plate or the block is formed with asymmetrically arranged recesses 17a, Fig. 2, connected to the high-pressure valve plate port 14 via restricted passages 17b and a groove 17c, to provide balancing of the cylinder block against tilting.
Patent GB-1294370-A (GB)
Title: Photographic flashlamp unit
Inventor: ANDERSON LESTER F
IPC: G03B15/04
Filed: 1970-10-14
Abstract: 1294370 Photographic multi-flash units GTE SYLVANIA Inc 14 Oct 1970 [23 Oct 1969] 48873/70 Addition to 1286520 Heading G2A To relieve pressure, the invention of the Parent Specification is modified in that the slot 22 for foot and latch 11 of the spring segment 3 is formed with one side 22a normal to the base, and with the other side 22b sloping. The cocked striker 13 tends to urge the latch 11 to the right, as seen, and the sloping side 22b provides a position of equilibrium for the latch.
Patent GB-1465337-A (GB)
Title: Fuel injuction pump assembly
IPC: F02D41/34
Filed: 1974-11-12
Abstract: 1465337 Fuel injection pump assembly HOLEC NV 12 Nov 1974 [16 Nov 1973] 48909/74 Heading F1B A fuel injection pump assembly for supplying fuel to an I.C. engine has a switch 82 which is adapted to respond to inlet manifold pressure and stop the pump when the pressure falls below a predetermined value, for example when the engine is decelerating with closed throttle. The pump 32 has a pumping member 22 coupled to an armature 18 of an electromagnet to be driven thereby. The amount of fuel supplied by each stroke of the pumping member 22 from pump inlet 27 to pump delivery duct 28 depends on the position of wedges 26 and 33. Wedge 26 is drawn downwards by piston 80 as pressure in manifold 72 falls to reduce the quantity of fuel pumped and when this quantity is the minimum that can be properly atomized, the switch 82 is actuated by a rod 83. Wedge 33 is independently adjusted by a control member 77 in response to atmospheric pressure or engine temperature. The switch 82 is in circuit between an accumulator (35) Fig. 5 (not shown), and a contact (15) of a pulse generator (34) which in operation emits control pulses to energize sequentially the electromagnets 2a, 2b, 2c, 2d to actuate the fuel pumps.
Patent GB-1101199-A (GB)
Title: Ore reduction
Inventor: WHALEY THOMAS HENRY
IPC: C21B13/00
Filed: 1966-11-01
Abstract: In a fluidized bed process for reducing iron oxide at a temperature of 1600-2000 DEG F. the reducing gas (CO + H2) is passed upwards at a rate sufficient to maintain the bed as a dense phase above the temperature of softening of a portion of partially reduced solid particles contained therein, fine particles of iron oxide being supplied to the bed at a rate such that said portion is only a minor amount of the total solid present therein at any time and as the partially reduced particles soften they agglomerate and are withdrawn as a product containing at least 80% of the original iron oxide in the metallic state.  The reducing gas may be produced in the reducer by blowing in an oxygen containing gas and a hydrocarbon fuel both of which may be preheated and in the examples the gas is recycled.  The preferred fluidizing gas velocity is 0.15-3 metres per second.  The recycling of the smaller product particles to act as nuclei for further agglomeration in the bed is also referred to.  Powdered flux (e.g. limestone or CaO) may also be included in the bed.
Patent GB-1206327-A (GB)
Title: Improvements in stoppering containers
IPC: B65D83/14
Filed: 1968-10-16
Abstract: 1,206,327. Stoppers. CONTINENTAL CAN CO. Inc. 16 Oct., 1968 [18 Oct., 1967], No. 49041/68. Heading F2P. A stopper 10, in or for a container 6 having a circular filler opening 8 bounded by a flange 13 extending axially into the container from a circular recess 12 concentric therewith and formed in a wall of the container comprises a resilient body 14 of generally circular crosssection integral and concentric with a circular base member 27 locatable in the recess 12, the body 14 including first and second shoulders 18, 23 respectively spaced apart axially of the body and at least one groove 28 which extends from the end of the body remote from the base member 27 to a position between the first and second shoulders 18, 23. The stopper, when located in the opening 8 by engagement of the first shoulder 18 with the flange 13 is arranged to establish fluid communication with the interior of the container around the base member 27, and through a passage(s) formed between said groove(s) and the flange 13, and is also arranged to effect a fluid-tight seal with the opening 8 when the base member is located in said recess 12 and the flange is engaged with the second shoulder. The base member 27 has a boss 30 and the stopper has a recess 29 to improve the radial flexibility. In a generally similar arrangement, Fig. 3 (not shown), a recess (53), open at the lower face of the base member (49) extends upwardly through the stopper. To pressurize a propellant chamber 11 in the dispensing container 6, which has a product bag 9, a cylinder 31 is sealed around the recess 12 and the stopper 10 is pushed, by a plunger 34 slidable in the cylinder 31, into a first position where the shoulder 18 engages the flange 13, the pressurizing gas then passing through a passage 36 in the plunger 34 and along the grooves 28 into the chamber 11. When the latter has been pressurized the stopper 10 is finally pushed home by the plunger 34 into its second position so that the second shoulder 23 engages the flange 13 and the base member seats in the recess 12 to completely seal the opening 8.
Patent GB-1169721-A (GB)
Title: Mobile Machine and Method, for Surfacing the Ballast Bed of Railway Track
Inventor: PLASSER FRANZ
IPC: E01B27/02
Filed: 1966-11-02
Abstract: 1,169,721. Rail bed ballast-grading machines. F. PLASSER. 2 Nov., 1966 [2 Nov., 1965; 14 Feb., 1966; 20 June, 1966], No. 49180/66. Heading E1F. A railroad ballast-grading machine permits of contouring of the railroad ballast bed and removal of excess ballast therefrom by a scoop 6 mounted on the rear of the machine and swingable vertically for discharging any excess ballast therein into a hopper 13 on the machine, this excess ballast being subsequently discharged from the hopper on to the bed in front of the scoop where and when required by the condition of the bed ahead of the scoop for the scoop to ensure of a satisfactory profiling of the bed. The scoop can be such as to cover the whole surface of the bed, suitable longitudinally extending channels being provided in the base of the scoop to allow of passage therethrough of the rails as the machine moves along the rails of the track. Alternatively the bed from the outside edges to the rails can be profiled by secondary scoops so swingable as to discharge excess ballast picked up by them into the scoop which now removes excess ballast from between the rails. Rotary sweepers may be provided on the machine for directing surplus ballast into the scoops.
Patent GB-1168807-A (GB)
Title: Improvements relating to Doors
Inventor: AABERG MARTIN BIRGER
IPC: E06B3/92
Filed: 1966-11-03
Abstract: 1,168,807. Telescopic doors; latches. M. B. ABERG. 3 Nov., 1966 [12 Nov., 1965], No. 49423/66. Headings E1J, E2A and E2M. A vertically sliding telescopic door comprises resilient channel section members 1 which taper towards their lower ends. Downward movement of the members 1 may be limited by inclined members 2, 3 at each side of the door or by steps on the members. The sections 1 may be counterbalanced by a weight or spring-controlled shaft to which they are connected by cords 5 wound on drums 6 of various diameters. The webs and/or the lower edges of the channels may strengthened. The door may be locked in closed position by a spring-controlled pivoted latch 12 which cooperates with an opening 3a in the inclined member 3. The latch has a toothed edge 12a and a projection 12b which cooperates with a stop 3b. (For Figures see next column)
Patent GB-1513130-A (GB)
Title: Fuel cells and methods of operating them
IPC: H01M8/04
Filed: 1974-11-18
Abstract: 1513130 Fuel cell and operating method EXXON RESEARCH OF ENG CO 16 Oct 1975 [18 Nov 1974] 49763/74 Heading H1B A method of operating a fuel cell employing a solvent/solute type electrolyte so as to permit increase in the electrolyte temperature during start-up of the cell and so as to avoid crystallisation of said solute when the electrolyte temperature decreases during shut-down of said cell comprises allowing electrolyte to evaporate during start up of the cell thereby increasing the concentration of solute in said electrolyte so that it can be heated to higher temperatures, condensing a predetermined portion of the evaporated solvent, maintaining the electrolyte solute concentration below the solubility limit, and returning said condensed solvent to said electrolyte during shut-down of the cell whereby crystallization of the solute is avoided. In the cell shown, KHCO3(K2CO3 electrolyte and methanol fuel are fed via pump 15 from constant volume electrolyte store 14 to anode compartment 10A of cell 10; air is fed by pump 13 to cathode compartment 10C, and electrolyte is recycled via 17 to 14. Exhaust gas from 10C passed to condenser 19 and entrained solvent vapour condensed by cold air 9; resulting liquid solvent passes to store 20 which has an overflow 22 leading to 14, as well as line 23 with valve 24; gas is vented at 21. With the cell in operation, cell 10 is cooled by evaporation of solvent; this is recondensed at 19 and overflows into 14 for recycle, thus maintaining steady state if the cell temperature rises, more solvent evaporates, but the cooling gas 9 can be increased to increase the amount condensed and recycled. At shut-down, as the cell cools, valve 24 is opened, thus allowing all the solvent below the overflow to circulate via 14, increasing the solvent content of the electrolyte as the solute becomes less soluble; start-up uses a reverse procedure.
Patent GB-1206979-A (GB)
Title: Heat recoverable actuator
Inventor: HESLOP WILLIAM ROSSE
IPC: H01R4/10
Filed: 1967-11-02
Abstract: 1,206,979. Tubes; valves. RAYCHEM CORP. 2 Nov., 1967 [3 Nov., 1966], No. 49794/67. Headings F2P and F2V. [Also in Divisions H1 and H2] A sleeve of material having the property of "elastic memory" is axially stretched while in a heated state and frozen while in the stretched condition so that its heat recovery will be in the axial direction. While the sleeve 50 illustrated is described as bringing conductive members 60, 52 together guided by sleeve 56 to make electrical contact (see Division H2), one of the members could open or close a valve in response to a rise in temperature. The heat recoverable material may be plastics or metal and in respect of the latter the Specification includes some literature references. The sleeve may also have been twisted so that it untwists on recovery.
Patent GB-1471966-A (GB)
Title: Treatment of rubber latex
IPC: C08C19/22
Filed: 1974-11-18
Abstract: 1471966 Treating rubber latex and moulded foams thereof MALAYSIA RUBBER RESEARCH INSTITUTE BOARD 12 Nov 1975 [18 Nov 1974] 49919/74 Headings C3C and C3E Natural rubber latex is reacted with a pnitrosoaniline in the presence of a metal dialkyldithiocarbamate, a hydroxylamine salt being included in the latex before, during or after the reaction. Examples are given in which p-nitrosodiphenylamine and zinc N,N-diethyldithiocarbamate are added to a latex concentrate which is then heated, followed by cooling, and hydroxylamine hydrochloride or neutral hydroxylamine sulphate is added to the latex before the heating step or after the cooling step. The treated latex is coagulated and vulcanized, or foamed (in Example 5) after the addition of vulcanizing agents, potassium oleate and sodium silicofluoride and moulded, or formed into threads.
Patent GB-1272795-A (GB)
Title: Process for preparation of resin foam
IPC: C08J9/14
Filed: 1969-10-10
Abstract: 1,272,795. Expanded extrudate. SEKISUI KAGAKU KOGYO K.K. 10 Oct., 1969 [11 Oct., 1968; 1 July, 1969], No. 50010/69. Heading B5A. [Also in Division C3] A resin foam is made by extruding an intimate heated mixture of a resinous polymer of ethylene with less than 50% by weight of a copolymerizable monomer with a liquid volatile organic foaming agent in order to volatilize the foaming agent by release of pressure, the foaming agent comprising a mixture of (A) dichlorodifluoromethane, with one or both of (B) at least one aliphatic hydrocarbon or chlorofluorohydrocarbon having a boiling point of from  -0.5‹ to 70‹ C., and (C) monochloropentafluoroethane or octafluorocyclobutane, the nature and proportion of (B) in a mixture of (a) and (B) being such as to give a foaming agent having a saturated vapour pressure below 25 kg/cm.<SP>2</SP> at 100‹ C. Rod, sheet, and tube may be extruded. In the examples the extruder used was a screw type of specified dimensions with an injection opening for foaming agent half way along its length and with a circular die which has a circular plate to adjust its size and to produce a tubular form.
Patent GB-1402862-A (GB)
Title: Direct-positive photographic silver halide materials
IPC: G03C1/485
Filed: 1971-10-28
Abstract: 1402862 Photographic direct-positive silver halide emulsion KODAK Ltd 26 Oct 1972 [28 Oct 1971] 50168/71 Addition to 1201792 Heading G2C A direct-positive silver halide emulsion is made by forming silver halide grains in the presence of a bismuth salt at a pH of 0 to 5, adding a mercury compound to the emulsion prior to fogging and thereafter fogging the grains so formed. The bismuth salt may be bismuth nitrate. The mercury compound may be a simple inorganic salt or a molecular compound of a mercuric salt with an organic compound containing a basic N atom e.g. (2-amino-5-iodopyridine hydroiodide) 2 HgI 2 . This emulsion has an increased exposure scale.
Patent GB-1286412-A (GB)
Title: Improved inflatable prosthesis
IPC: A41C3/14
Filed: 1970-10-23
Abstract: 1286412 Inflatable prosthesis DOW CORNING CORP 23 Oct 1970 [29 Dec 1969] 50377/ 70 Heading A5R An inflatable prosthesis, for implantation in or replacing parts of the body particularly for use as a mammary prosthesis, comprises a collapsible closed shell 11 and a filler stem 12 slidably mounted in the shell 11, and has a body of viscous jelly-like material 14 encased in a thin, flexible walled capsule 16 surrounding the filler stem 12 at its point of entry to the shell 11. The capsule 16 is reinforced with fabric material 17, 18 around the entrance and exit points of the stem 12. In use, fluid, e.g. saline solution or silicone gel, is placed in the shell via the stem 12 and the stem withdrawn, either completely, whereby the entrance and exit points are sealed by the substance 14, or partially so that the exit ports 19, 21, 22 of the stem lie within the capsule 16, and are sealed by the substance 14. In a modification, Fig. 4 (not shown), the end of the stem 12 is closed and provided with a flange (23) to prevent complete withdrawal. A plurality of patches (13) Fig. 2 (not shown) of polyester fabric may be placed on the outside of the shell to promote tissue in growth.
Patent GB-1070974-A (GB)
Title: X-ray intensifying layers
IPC: G21K4/00
Filed: 1963-09-06
Abstract: An X-ray intensifying screen comprises a particulate X-ray scattering material dispensed in a polyvinyl alcohol binder.  The material may be lead or lead oxide (PbO, Pb3O4), carbonate, oxalate or tetra-alkyl, 1-100, preferably 3-8, micron diameter, or calcium tungstate, barium lead sulphate or magnesium tungstate.  The scattering layer may be on a support of baryta-coated paper, cellulose ester film, polystyrene or metal foil.  The screen may also comprise a photographic layer (silver halide), and may include a stripping layer, e.g. gelatin or cellulose ether phthalate.
Patent GB-1330690-A (GB)
Title: Method and apparatus for removing metal deposited on electro lytic cathodes
IPC: C25C7/08
Filed: 1970-10-23
Abstract: 1330690 Removal of zinc from cathodes ASTURIANA DE ZINC S A 23 Oct 1970 [25 Oct 1969] 50532/70 Heading C7B A method of removing metallic zinc deposited on an aluminium cathode comprises the application of a pressurized jet of water between the electrode and the deposited metal. A frame 2 carrying water nozzles 5' is mounted on a portal 1 and may be moved up and down by a piston and cylinder assembly 4. The aluminium cathodes are stacked vertically in a carriage that slides under the portal. The jets of water impinge the boundary between the aluminium and the zinc and peal the deposited metal from the cathodes. The carriage is attached to a pawl and ratchet mechanism so that it may be moved forward in increments corresponding to the spaces between the stacked cathodes. In this way each cathode may be stripped in turn. Preferably the cathodes have an insulating covering on their vertical edges to prevent the deposition of zinc. In order to protect this covering during the stripping operation the portal has a runner 15 which moves pushers (II) against the edges of the cathodes.
Patent GB-1254561-A (GB)
Title: Improvements relating to flexible skirt assemblies for air cushion vehicles
Inventor: WHEELER RAYMOND LESLIE
IPC: B60V1/00
Filed: 1968-10-25
Abstract: 1,254,561. Flexible skirt for air-cushion vehicle. BRITISH HOVERCRAFT CORP. Ltd. 14 Oct., 1969 [25 Oct., 1968], No. 50675/68. Heading B7K. A skirt assembly for an air-cushion vehicle comprises a flexible impermeable sheet 14 attached at 12 and 13 to buoyancy member 11 and rigid struts 15 respectively and enclosing a chamber 16, and a lower skirt, which may consist of segments 22, attached to the sheet 14 at an inner line 23 and to apron 25 at an outer line 24. Pressurized air is admitted via ducts represented by arrow 17, thereby inflating the chamber 16, and the air then passes via holes 18 and 19 in the sheet 14 to generate and maintain an air-cushion 20. A flexible impermeable diaphragm 26 is provided inside the chamber 16, dividing it into inboard and outboard compartments 16a and 16b respectively, and is attached in the vicinity of 13 and 24. The diaphragm 26 may be provided with holes 27 fitted with non-return valves 27 (which may be of the type illustrated in Figs. 4 and 5, not shown) allowing air to pass only from compartment 16a to compartment 16b. Thus in operation the compartment 16b will have a more constant pressure and shape than the remainder of the chamber 16 so that there is less vertical movement of the segments 22 than would otherwise be the case. To cope with the situation where there is only one lift fan, near the rear of the vehicle, the assembly may be provided with transverse diaphragms (40, Fig. 3, not shown) having non- return valves (41), sealing off a bow section of compartment 16b so that that section may remain permanently inflated.
Patent GB-1243788-A (GB)
Title: An improvement in or relating to transport vehicles
Inventor: HUNT ROWLAND DELVILLE
IPC: B60P3/077
Filed: 1967-11-08
Abstract: 1,243,788. Car carriers. VOSPER Ltd. 4 Nov., 1968 [8 Nov., 1967], No. 50837/67. Headings B7A and B7B. A ship or a road or rail vehicle for transporting cars has a guide channel 12 to locate a pair of wheels 16, 17 of a car 18, fore and aft movement of the car being prevented by centrally hinged over centre members 22 which engage recesses 14 in the sloping sides 13 of the channel.
Patent GB-1409426-A (GB)
Title: Frangible strip
IPC: G09F3/04
Filed: 1972-11-06
Abstract: 1409426 Clip, clamp and stud fastenings J P BRITT and E H WILSON 30 Oct 1973 [6 Nov 1972] 51012/72 Heading E2B A frangible strip of plastics material providing at least one series of fastening devices, each comprising a strip portion having a slit extending from one edge of the strip to an aperture of the device, such that the gathered mouth of a bag or like wrapping may be inserted into the aperture and securely held therein, comprises lines of fracture defined by the apices of at least two angular cut-outs and/or intersecting cuts in the material of the strip, the apices being sharp without radii, such that, on fracturing the strip at the lines of fracture, fastening devices as defined above may be removed successively from the strip. As shown, a plastics sheet is die-stamped to provide successively notches 7, diamond apertures 11, apertures 1, throats 3 having angles 6 to define with the notches 7 and apertures 11 fracture lines, slits 2, and longitudinal cuts to separate strips of the fastening devices which are separately reeled, the individual fastening devices being subsequently broken off along the lines of fracture. Modifications of the sheet or strip are disclosed (Figs. 4 and 6, not shown).
Patent GB-1162678-A (GB)
Title: Improvements in or relating to Annular Plate Check Valves
Inventor: WILLIAMS WILLIAM THOMAS
IPC: F16K15/08
Filed: 1965-12-01
Abstract: 1,162,678. Valves. METALLIC VALVE CO. Ltd. 23 Nov., 1966 [1 Dec., 1965], No. 51029/65. Heading F2V. The plates of an annular plate check valve are located by a pin (22) engaging holes 32 and an upstanding member (26 or 36 not shown) which engages part segmental slot 34, the arrangement being such that the plates can only be assembled in a predetermined angular relationship with a predetermined surface facing the valve seat. The upstanding member 26 (Figs. 4, 5 and 6, not shown) is formed on a washer stacked next to the seat, whilst member 36 (Fig. 7, not shown) is another pin of smaller diameter than, and/or at a radius different from that of pin 22. In another modification (Fig. 8, not shown) both pins 36 and 22 engage segmental slots in the plates.