baber/WOPTO huggingface dataset:
Patent GB-1509784-A (GB)
Title: Stabilized ruthenium catalyst for selective reduction of oxides of nitrogen
IPC: B01D53/94
Filed: 1975-07-04
Abstract: 1509784 Removing nitrogen oxides EXXON RESEARCH & ENG CO 4 July 1975 [31 July 1974] 28239/75 Heading C1A [Also in Division B1] Nitrogen oxides in exhaust gases from I.C. engines are reduced in contact with a catalyst comprising a zirconium titanate support carrying ruthenium metal, in an amount of not greater than 0À003 gm. per gm. of support. Reduction conditions may include a temperature of 300-1600‹F., a pressure of 0 to 150 p.s.i. gauge and a space velocity of 8000-200,000 hr<SP>-1</SP>.
Patent GB-1343553-A (GB)
Title: Nonwoven fabrics and processes for binding nonwoven textiles
IPC: D04H1/64
Filed: 1972-06-16
Abstract: 1343553 Non-woven fabrics I C I AMERICA Inc 16 June 1972 [18 June 1971] 28303/72 Heading D1R The binder in a non-woven fabric is either a methylolated polyurea or a methylolated polyureaurethane; the polyurea being characterised by the general formula wherein m is 0 or 1, q is 1 to 13, p' is 3 to 100, R' is a 3 to 5 carbon atom alkylene group, each R" is independently hydrogen or methyl and each R is independently selected from hydrogen and CH 2 OH with the proviso that at least one R is CH 2 OH; the polyurethaneurea being characterised by the general formula (A) x  wherein x is an integer from 2 to 100 and each A is independently selected from the group consisting of wherein m is 0 or 1, n is 2 to 14, q is 1 to 13, R, R' and R" are specified above, with the proviso that at least one A is II and at least one A is III and at least one R is CH 2 OH. The polyurea is prepared by the reaction of urea with a diamine and the polyurethaneurea by the reaction of urea with a mixture of diamine and amino alcohol. In example 13 37.6 g urea and 200 g crude aminated triethylene glycol comprising approximately equal molar proportions of triethylene glycol monoamine and diamine are stirred at 97-190‹C for 11 hours, the solvent removed and an aqueous solution of 5 of the polyureaurethane is heated at 51‹C for 15 hours with 7.1 g of 36.7% aqueous formaldehyde. (Reference is also made to Specification 1,305,136 for further description of the binders). An aqueous solution of 10% binder and 2% zinc nitrate as catalyst was applied to a rayon fleece to give 100% wet pickup, dried and cured at 300‹F for 5 minutes. In other examples nylon, cotton, wool, silk, polyester, viscose rayon, acetate rayon, polyolefin fibres or blends of cotton and/or rayon with synthetic fibres in the form of slivers, orientated or random fibre webs which may be laminated or reinforced with yarn, filaments or scrim are impregnated with an aqueous solution or dispersion or a non-aqueous solution of the binder by dipping, padding, spraying or printing. Catalysts, softners, shrink and flame proofing agents and emulsifiers such as condensates of octyl or nonyl phenol with 8 to 17 moles of ethylene oxide may be incorporated. The binder comprises 2 to 80% of the total fabric weight. The treated fabric is dried then cured at 200 to 350‹F.
Patent GB-1121735-A (GB)
Title: Heating unit for pressurized aerosol dispensing container
Inventor: ABPLANALP ROBERT HENRY
IPC: C08L61/24
Filed: 1966-06-24
Abstract: 1,121,735. Heating devices. PRECISION VALVE CORP. 24 June, 1966, No. 28356/66. Heading F4X. [Also in Division F1]  A catalytic heating unit for a pressurized aerosol dispensing container 1 has a body portion 4 mounted on the container and a portion 13 rotatably and axially movable on portion 4, fuel vapour from a source F, e.g. jellied methanol, reacting with air entering through ports 27, 28 on a catalytic surface C, e.g. platinum, and heat produced by the reaction being transmitted to the discharged contents of the container passing through a constricted passage 24 in a cylinder 23, e.g. of aluminium, when housing portion 13 is depressed to actuate the container valve stem 3. The air inlet ports 27, 28.in body portion 13 are movable into or out of communication with ports 25, 26 in body portion 4, to start and stop the catalytic reaction, by rotation of portion 13, stop means 33, 34 being provided. Ports 27 are larger than ports 28 so that reaction products pass through ports 27 to draw air through ports 28. Insulating members 21, 22 connect heated cylinder 23 to the valve stem 3 and discharge conduit 17.
Patent GB-975989-A (GB)
Title: Process for the utilisation of waste products
IPC: C05F15/00
Filed: 1962-07-24
Abstract: Fertilizer material is obtained by mixing partially dehydrated sewage sludge with comminuted town refuse, press forming the mixture and drying the pressed forms obtained.  The partially dehydrated sewage sludge may have a water content of 60 to 80% by weight, and the mixture of sludge and refuse may have a water content of not more than 55% by weight. The mixture may be pressed at a temperature above 60 DEG  C., at a pressure sufficient to reduce the material to one half to one-third of its original volume without exudation of water. The pressed forms may be dried by storage in air.  The dried material may be moistened before use to initiate microbial activity, and the material added to soil or compost heaps.
Patent GB-1535919-A (GB)
Title: System for and a method of detecting irregularities in a fluid-carrying pipeline
IPC: G01M3/28
Filed: 1975-11-24
Abstract: 1535919 Monitoring fluid pipe-lines SHAFER VALVE CO 24 Nov 1975 [9 Dec 1974] 28496/78 Divided out of 1535918 Heading G1N The occurrence of a surge of pressure indicative of a leak in a pipe-line or storage vessel 10' is detected by a pressure transducer 11' the output of which is fed to a differentiator 12'; if the rate of change of pressure exceeds a pre-set value in the range 100-300 p.s.i. per second, the output of a comparator 13' operates an actuator 18' via an OR gate 19 to initiate remedial measures. Additional inputs to the OR gate 19 may be supplied by comparators 20 and 21 which respectively respond to too high or too low an output from transducer 11' on the output from the arrangement of Fig. 1 (not shown) Specification 1535918. The comparators could feed individual actuators.
Patent GB-411734-A (GB)
Title: Improvements in means for the hydraulic transmission of power
IPC: F16H41/02
Filed: 1933-11-13
Abstract: 411,734. Hydraulic transmission of power. CRABB, V., Woodglen, Bishopsford Road, Morden, Surrey. Nov. 13, 1933, No. 28534. [Class 69 (ii).] Means for the hydraulic transmission of power comprises a pump delivering liquid to a turbine through a nozzle, in which the nozzle and turbine are divided into a number of sections and the number of nozzle-sections open to deliver to their associated turbine sections is determined by a slidable imperforate closure. In the form shown in Figs. 1 and 3, a pump d consisting of a series of concentric vanes d<1> controllable by an iris valve e delivers to a chamber b shaped to provide two nozzlemembers c by which liquid is delivered to two turbines f connected to the road-wheels of a vehicle. Each nozzle-member and each turbine is subdivided into a number of sections, and the number of nozzle-sections operative is determined by the position of slidable imperforate closures g. Liquid returns to the sump by valves h. In another form, Fig. 5, the pump is constituted by the crank-case and piston of piston of the engine, a byepass valve c<5> being provided.
Patent GB-1148583-A (GB)
Title: Improvements in or relating to the production of esters of unsaturated alcohols
Inventor: CAPP CLIFFORD WILLIAM
IPC: C07C69/01
Filed: 1966-06-25
Abstract: 1,148,583. Vinyl acetate. BP CHEMICALS (U.K.) Ltd. 19 May, 1967 [25 June, 1966], No. 28591/66. Heading C2C. [Also in Division B1] In the preparation of vinyl acetate by reacting in the vapour phase at an elevated temperature ethylene, a molecular oxygen containing gas and acetic acid in the presence of a platinum group metal deposited on alumina, aluminosilicates, heavy metal oxides, metal oxide/ alumina complexes, carbon or pumice as catalyst; the catalyst is reactivated by heating the catalyst-support mixture in a liquid alkaline medium. Aqueous solutions of caustic soda or potash, sodium or potassium carbonate or an alcoholic solution of sodium or potassium ethoxide or methoxide may be used. Examples describe the reactivation or palladium on alumina, iron oxide, and an aluminium magnesium spinel.
Patent GB-811074-A (GB)
Title: Improvements in or relating to plastic beads
Inventor: SANDERSON WILLIAM TROUTBECK
IPC: A44C11/00
Filed: 1956-09-20
Abstract: 811,074. Necklaces &c. CHELTON (POPPITS) Ltd. July 12, 1957 [Sept. 20, 1956], No. 28824/56. Addition to 750,737. Class 43 [Also in Group XXV] Plastic beads having a head 12 and a neck 11 which is inserted with a snap action into a socket 15 of another bead have the mouth 16 of the socket of approximately the same area of cross-section as the maximum area of cross-section of the head and the shape of the mouth different from the crosssectional shape of the head. The head may be in the form of a frustum of a cone, or a cone with its base attached to a hemisphere. The mouth is formed inwardly directed lips 17 which are produced during moulding the bead from plastic material by inserting a core pin with three grooves shaped to form the lips or the mouth.
Patent GB-1047749-A (GB)
Title: Support for nuclear reactor fuel elements
Inventor: GAUTHRON MAURICE
IPC: G21C3/38
Filed: 1965-07-07
Abstract: 1,047,749. Fuel elements. COMMISSARIAT A L'ENERGIE ATOMIQUE. July 7, 1965 [July 7, 1964], No. 28869/65. Heading G6C. A support for a nuclear fuel element comprises a metal part in the form of a spider with a plurality of lateral arms located at the lower end of an annular sleeve which surrounds the fuel element, a central portion of the spider supporting the fuel element while the extremities of the lateral arms are attached to the sleeve, e.g. by means of a screw-and-nut arrangement or by welding, the support having been formed by cutting out and bending a metal plate. Each of the lateral arms is folded back so as to be located in a plane which passes through the axis of the central portion. In the embodiment described, the extremities of the lateral arms are attached to the sleeve by screws and nuts disposed in recesses within the thickness of the sleeve. A graphite seating block for the fuel element which is fixed on the central portion of the support member is formed with slots such as to permit the insertion of the lateral arms. The fuel element comprises a hollow fuel rod housed within a can provided on its outside surface with cooling fins in chevron form, the various parallel fin sectors of the chevrons being separated from one another by longitudinal grooves. Longitudinal splitters are fitted in one out of two of the grooves formed between these sectors.
Patent GB-1393952-A (GB)
Title: Silver density regulating apparatus
Inventor: RANDAXHE JACQUES
IPC: D01H5/42
Filed: 1972-06-21
Abstract: 1393952 Measuring tension of thread TEXCONTROL 21 June 1972 [21 June 1971] 28986/72 Heading G1N [Also in Division G3] The tension in a sliver 3 of textile material (cotton) is detected by passing it through a "trumpet" 11 which pivots about an axis 12. The angle it assumes depends upon the tension and is measured by an unspecified electrical transducer 13. The signal is used to regulate the speed of a coiler (see Division G3).
Patent GB-883893-A (GB)
Title: Production of gas-free and void-free wrought aluminium articles
IPC: C23C8/80
Filed: 1958-09-10
Abstract: A process of treating aluminium alloy articles comprises treating the articles with a vaporous fluoride, heating to above 750 DEG F. to degas the metal, and finally working the metal to seal the pores. The fluoride may be boron tri-fluoride, silicon tetrafluoride, carbon tetra-fluoride, difluoromethane or hexafluoroethane.  The surface of the article may be coated with a substance which will decompose to produce the fluoride e.g. ammonium fluoroborate, calcium fluoroborate, di-n-butyl ammonium tetrafluoroborate, n-octadecyl N.N.N. trimethyl tetrafluoroborate, di-n-anuyl tetrafluoroborate, or carrier compounds e.g. sodium fluosilcate, ammonium fluosilicate, potassium fluosilicate, ammonium fluoride or zinc fluoride, may be used.  After treatment with the fluoride vapour the articles may be heated in an atmosphere inert to aluminium, e.g. argon, helium or fuel gas, for at least 16 hours per inch of thickness, the heating being followed by forging or pressing with a reduction in cross-section of 2% to 50%.  Aluminium alloys containing 0,1% to 15% magnesium e.g. <TABS:0883893/II/1> may be used.
Patent GB-1083858-A (GB)
Title: Improvements relating to coin-operated amusement machines
IPC: G07F17/32
Filed: 1965-07-09
Abstract: Coin-operated amusement machines of the kind known as flipper pin-tables wherein skill is required from a player to get a ball or balls to run into holes, pockets or other positions to score points are modified in that on insertion of a coin and before play commences, the indicated score required for a win may be varied from that normally required, by an arbitrary selection actuated by an automatic device.  The device described is a rotary contact operated stepwise by a solenoid-actuated ratchet device, the solenoid being energised through a relay by a switch actuated by the passage of any of the balls during the game.
Patent GB-354105-A (GB)
Title: Improvements in fertilizer-distributors
IPC: A01C15/00
Filed: 1930-09-29
Abstract: 354,105. Distributers for fertilizers. INTERNATIONAL HARVESTER CO., 606, South Michigan Avenue, Chicago, U.S.A. Sept. 29, 1930, No. 29112. Convention date, Dec. 19, 1929. [Class 6 (i).] In broadcast fertilizer distributers having attachments for distributing the fertilizer in lines, the fertilizer being delivered from a hopper by adjustable funnel-like conveyers 4 into flexible tubes 5, means are provided to adjust all the conveyers 4 with their attached tubes 5 as one unit, and independent means are also provided to adjust the end of each flexible tube at an angle to the upper part of the tube and the conveyer. The simultaneous adjustment is effected by a hand-lever 15 operating a common bar 13 whereto all the conveyers are attached. The adjustable conveyers 4 are pivoted by a spring clip 7, Fig. 4, strip 8, and pivot pins 6 to conveyers 1 which are mounted on bars 2 and so fixed underneath the hopper. The strips 8 carry annular pieces 11, each nearly surrounding a tube 5. Cone-shaped members 16 are suspended at the ends of the tubes 5 by chains &c. 17 from hooks 18 on the pieces 11. The ends of the tubes 5 can be raised or independently angularly adjusted by means of the chains. An initial fixed adjustment of the system is effected by pivoting the strips 8 at points 10 to bars 9 which are adjustably secured to the bar 13 by slots 12 and screws or bolts 14.
Patent GB-1477034-A (GB)
Title: Ink jet recorder
IPC: B41J2/185
Filed: 1974-07-01
Abstract: 1477034 Selective printing C-H HERTZ 1 July 1974 [2 July 1973] 29129/74 Heading B6F An ink jet recorder has a signal applied between nozzle 12 and control electrode 24 which is located the ink jet at least at the droplet formation point and a droplet deflecting electrode arrangement comprised of an electrode 36 and a part of the electrode 24. As shown the electrode 24 is of circular cross-section. Alternatively it may be a block with an aperture at the droplet formation point and having a planar or channel shaped extension which is functionally associated with a planar or channel-shaped electrode 36.
Patent GB-734530-A (GB)
Title: Four speed hydraulic transmission
IPC: F16H47/04
Filed: 1952-11-18
Abstract: 734,530. Change-speed gearing. GILES, J. G. Nov. 16, 1953 [Nov. 18, 1952], No. 29136/52. Class 80 (2). A power transmission unit giving four velocity ratios employs planetary gearing combined with positive displacement hydraulic units, each used alternatively as a pump and motor according to the ratio selected and each having a fixed displacement capacity. As shown, a driving sun gear 6 meshes stepped planet gears 3 &c. in a carrier 1, the planets also meshing sun gears 7, 10 rotatable upon a driven shaft 15. The sun gears 7, 10 are integral with gears 9, 12 meshing gears 14, 13 transmitting drive to or from two positive displacement hydraulic units 17, 18. The hydraulic units 17, 18 may be of either the rotary or reciprocating type, and are interconnected by pipes incorporating pressure relief valves 19 and a selector valve 20. For the first ratio, the selector valve 20 is set so that the hydraulic unit 17 runs freely and the delivery ports on the hydraulic unit 18 are closed, the sun gear 7 then rotating freely and the sun gear 10 being held stationary. For the second ratio, the hydraulic unit 18 runs freely, the delivery ports on the hydraulic unit 17 are closed, the sun gear 10 rotates freely and the sun gear 7 is held stationary. For the third ratio, the selector valve 20 is set so that the hydraulic unit 18 pumps into the hydraulic unit 17 and both these units rotate in the same direction. For the fourth ratio, the selector valve 20 is set so that the hydraulic unit 17 acts as a motor pumping into the hydraulic unit 18; the two hydraulic units then rotate in opposite directions.
Patent GB-1532100-A (GB)
Title: Tubular heat exchangers
IPC: F28F9/013
Filed: 1977-06-29
Abstract: 1532100 Tubular heat exchangers ASSOCIATED ELECTRICAL INDUSTRIES Ltd 29 June 1977 [14 July 1976] 29293/76 Heading F4S Means for restraining lateral tube movement in a heat exchanger comprising a plurality of parallel tubes 1 extending with clearance through corresponding holes (3, Fig. 1) in one or more baffle plates 2, comprises at least one metal tubular member 4 of flattened crosssection which is introduced between the tubes 1 and is then expanded by fluid pressure to contact the tubes. The tubular member 4 may be of a metal such as mild steel which retains its shape when pressurized. The fluid pressure may be subsequently released, or the pressurizing fluid may be retained in the tubular member 4 by closing the ends of the latter. The pressurizing fluid may be a liquid such as an epoxy resin which is subsequently solidified within the member 4 by curing. In an arrangement comprising a plurality of the members 4 these may be coupled together in series or in parallel.
Patent GB-320232-A (GB)
Title: Improvements relating to the coke chambers of vertical retorts for the carbonisationof coal and the like
IPC: C10B33/02
Filed: 1928-10-11
Abstract: 320,232. West, E., and West's Gas Improvement Co., Ltd. Oct. 11, 1928. Discharging.-In apparatus for discharging vertical retorts a, of the kind comprising coke chambers b which enclose vertically-movable plungers f and which are adapted to be swung about pivots c to discharge their contents, each chamber b is pivoted eccentrically with' relation to the centre of the curved upper face k of the chamber and the similarly curved lower face of the retort so that these contacting faces are separated as the chamber is moved to its discharging position. To ensure a good joint between the retort a and the chamber b when the latter is closed, the base frame e<1>, which carries the pivot brackets 4 and encloses the chamber e in which the plunger f is housed during discharge of the chamber b, is supported by a flange t which is provided along two opposite sides with inverted channel-sbaped members u having inclined surfaces v, Fig. 3, adapted to contact with wedgeshaped members w which are movable on rollers x to adjust the height of the coke chamber. The members w on each side of the chamber are connected together and operated by a screw and nut device, the nut being constituted by a wormwheel actuated through a worm-shaft 2 by a hand-wheel 3. Specification 320,233 is referred to.
Patent GB-791867-A (GB)
Title: Stretching or rack press
Inventor: REHM ARTHUR
IPC: B21D25/00
Filed: 1955-10-15
Abstract: 791,867. Stretching. HYDRAULIK GES. Oct. 15, 1955, No. 29463/55. Class 83 (4). Apparatus for stretching sheet or rod comprises two transverse beams to which the sheet or rod is clamped and which are moved relatively apart to stretch the sheet or rod therebetween by a pair of rods disposed in the plane of the sheet or rod symmetrically one on each side of its central axis, the rods being secured at one end to one beam and at the other end are accommodated in hydraulic cylinders, by which they are moved, secured to the other beam. A sheet 5 is stretched between chucks 4 on a fixed transverse beam 3 and on a movable transverse beam 2. A pair of hydraulic cylinders 7 on the beam 3 have plunger rods 6, on each side of and in the plane of the sheet 5, locked to the beam 2 by U members 8, in holes 2a in the beam 2, engaging grooves 6b in the rods 6, the position of the beam 2 and the particular groove 6b being adjusted according to the length of sheet to be stretched. In operation the rods 6 push the beam 2 from the beam 3 to effect the stretching. The rods 6, and thus the beam 2, are returned by a stepped piston 15 of an hydraulic cylinder 16, the piston rod 14 pushing a transverse member 13 to which rearward extensions 6c of the rods 6 are attached. The rods 6 may bear against the beam 2 to move it in one direction only, other means being used to move the beam 2 towards the beam 3. The beam 2 may be fixed and the beam 3 movable and the rods 6 may be supported along their length, e.g. at the joins of multi-part rods.
Patent GB-203944-A (GB)
Title: Improvements in or relating to ball bearings
IPC: F16C19/16
Filed: 1922-10-30
Abstract: 203,944. Monnot, J. F. Oct. 30, 1922. Ball bearings of the combined thrust and journal type, in which the balls B are inserted in a groove c in a shaft C through a radial opening F in the bearing casing A, have a member D, adjustably engaging the casing A, which bears against the shaft so that the balls B bear against the abutment a and are retained out of coincidence with the opening F. As shown, the member D may be a screwed plug having a thrust ball E, or a number of thrust balls may be fitted in the plug to surround the conical end c<1> of the shaft. The balls may be retained in position by a ring riveted round each ball. The plug D need not be screwed and may be formed so that it fits into the interior of the casing.
Patent GB-1529250-A (GB)
Title: Housing assemblies
IPC: G12B9/10
Filed: 1976-07-16
Abstract: 1529250 Stackable housings SIEMENS AG 16 July 1976 [28 Aug 1975] 29650/76 Heading B8P Housings 1 for electrical apparatus have rubber corner posts 6 of dumb-bell shape attached to their corners, the parts having projects 9 and recessed members 8 embedded therein to enable the housings to be stacked. There is a gap between the apparatus and each post which acts as a handhole. The size of the corner posts and the rubber hardness is dependent upon the size of the apparatus to be stacked. Brackets embedded in the corner post carry pins engaging the electrical housings whereby the posts are secured to the housings.
Patent GB-826986-A (GB)
Title: Electric appliance plug and receptacle
IPC: H01R13/64
Filed: 1956-09-28
Abstract: 826,986. Two-part couplings. SUNBEAM CORPORATION. Sept. 28, 1956 [April 2, 1956], No. 29715/56. Class 38 (1). In order to prevent the insertion of the wrong plug into a connector 12, for example of an electric frying pan, the connector 12 has ribs 16a co-operating with grooves 24 in the plug 18. The plug contacts 19 are each split into two or more resilient parts, as shown, into three parts 20, the plug body comprising two parts 18a, 18b and a coil spring 23 protecting the conductor 17. The pins 14 are secured'in the connector 12 by nuts. Specification 772,268, [Group XI], is referred to.