baber/WOPTO huggingface dataset:
Patent GB-937558-A (GB)
Title: Improvements in and relating to the polymerisation of 1-alkenes
IPC: C08F10/00
Filed: 1961-06-19
Abstract: The polymerization of 1-alkenes is catalysed by a mixture consisting essentially of an alkyl aluminium dihalide, titanium trichloride and triethylene diamine wherein the mol. ratio of alkyl aluminium dihalide to triethylene diamine is from 2,2:1 to 10:1.  Specified alkenes are those containing 3 to 8 carbon atoms, e.g. propylene, butene-1 and 4-methyl pentene-1.  The aluminium compound may be ethyl, propyl or butyl aluminium dichloride, or the bromine or iodine analogues thereof.  The titanium trichloride is preferably predominantly amorphous, and may be obtained by reducing the tetrachloride with hydrogen or aluminium and ball milling the product.  The polymerization may be effected in the presence of an inert hydrocarbon solvent, e.g. hexane, heptane or octane.  The catalyst residues may be de-activated by treating with methanol and isopropanol.  Examples describe the use of catalysts comprising titanium trichloride, triethylene diamine and ethyl aluminium dichloride in the polymerization of (I, II, III and V) propylene in heptane, (IV) 4-methyl pentene-1 in heptane and (VI) propylene in hexane in the presence of hydrogen.
Patent GB-1220553-A (GB)
Title: Nuclear reactor with heat pipes
Inventor: NEU HELMUT
IPC: G21C15/02
Filed: 1969-04-30
Abstract: 1,220,553. Nuclear power plant. EUROPEAN ATOMIC ENERGY COMMUNITY (EURATOM). 30 April, 1969 [21 May, 1968], No. 22101/69. Heading G6C. In a space station nuclear power plant, the thermionic converters 14 are supplied with heat conveyed from the fuel rods by the heat pipes 12. The reactor is surrounded by the reflector 9 and the reactivity is controlled by the movable reflectors 16. Each heat pipe is supported at its ends in the reflector, by thermal and electrical insulating supports 17. The pipes are not in contact with the fuel and heat is transmitted from the fuel to the pipes by radiation. Fast or thermal reactors may be used.
Patent GB-1294315-A (GB)
Title: Apparatus for reducing the thickness of metal
Inventor: MELVILLE WILLIAM
IPC: B21B13/18
Filed: 1969-05-01
Abstract: 1294315 Rolling mills IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd 2 June 1970 [1 May 1969] 22267/69 Heading B3M A rolling mill, such as a pendulum mill, includes on each side of a workpiece to be rolled a work roll 5 supported by several axially spaced backing rolls 6 carried on shafts 17, the rolls 6 being laterally adjustable to vary the curvature of the work roll along its length. The rolls 5 and 6 are carried in a housing 6 which is detachably secured by brackets 55 to the end of an oscillatable arm of the mill. The backing rolls 6 on each shaft are. separated by spacers 31, Fig. 3, and between each spacer and the housing is located an arcuate adjuster 33 of tapering thickness. Movement of the adjuster by a screw 41 varies the distance of the adjacent portion of the shaft axis from the housing, and hence changes the local contour of the roll. The shafts 17 are hollow to allow lubricating fluid to be fed along them from one end.
Patent GB-810936-A (GB)
Title: Improvements in or relating to machines for securing hooked belt-fasteners
Inventor: POTTER JOHN JAMES
IPC: F16G3/00
Filed: 1956-07-19
Abstract: 810,936. Belt-fastening appliances. HAYDEN-NILOS Ltd. March 12, 1957 [July 19, 1956], No. 22341/56. Drawings to Specification Class 80 (1). The subject-matter of this Specification is contained in Specification 810,933, but the description and claims are directed towards the detachable cheeks for the hook-clinching jaws. Also it is stated that for belts of different thickness cheeks of different thickness may be employed, instead of adjusting the pivot of the operating handles. Specification 810,934 also is referred to.
Patent GB-614768-A (GB)
Title: Improvements to electrolytic corrosion control systems
IPC: H01B7/28
Filed: 1946-07-26
Abstract: 614,768. Protective cut-out systems. STANDARD TELEPHONES & CABLES, Ltd. July 26, 1946, No. 22356. - Convention date, Aug. 13, 1945. [Class 38 (v)] [Also in Group XVIII] A system for protecting underground metallic structures from corrosion due to electrolytic action, has a rectifier 7, a transformer secondary winding 6 and a relay coil 11 connected in series between the structure or pipe 1 and an earth plate or electric railway track 2. When A.C. is supplied to the winding 4, a potential difference is set up between the pipe and the track so that a direct current flows from the pipe through the rectifier, secondary winding and the relay coil to the track and from the track through the earth back to the pipe. If a change in the soil conditions results in the increase of the current above a predetermined value, the relay 10 opens contacts 13 to interrupt the A.C. supply and closes the contacts 12 to shunt the rectifier and the secondary winding of the transformer.
Patent GB-359548-A (GB)
Title: Improvements in electric motor control systems
IPC: B60L7/12
Filed: 1930-07-24
Abstract: 359,548. Control of D.C. motors. WHYMAN, F., Summit, Hill Lane, Blackley, Manchester, and ASSOCIATED ELECTRICAL INDUSTRIES, Ltd., Crown House, Aldwych, London. July 24, 1930, No. 22370. [Class 38 (iii).] Regenerative braking.-Two series traction motors are connected during braking so that the machine Al continues to act as a motor whilst the machine A2 acts as a generator and returns more power to the line than is drawn by the machine A1. Both fields F1, F2 are excited by the armature current of the machine A1, the field F1 being weakened by means of a diverter R, a variable tapping point on the field or by using one section of two winding sections of the field. An adjustable stabilizer SR, is used in series with the machine A2, and is arranged to influence the relative field strengths according to the degree of regeneration.
Patent GB-222479-A (GB)
IPC: H01H71/16
Filed: 1924-09-23
Abstract: 222,479. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts-Ges.). Sept. 27, 1923, [Convention date]. Thermal switches and cutouts have a heating element b located within a bimetallic body a, which is preferably in the form of a helical strip with its axis vertical. One end c of the strip is fixed. The other end d may engage a contact.
Patent GB-837101-A (GB)
Title: Improvements in or relating to fluid machines having rows of relatively-rotating blades, such as axial-flow compressors or turbines
Inventor: PAYNE NIGEL EDWARD
IPC: F01D9/04
Filed: 1956-07-19
Abstract: 837,101. Turbine and compressor blading. ROLLS-ROYCE Ltd. July 12, 1957 [July 19, 19561, No. 22451/56. Class 110 (3). In a machine such as an axial-flow turbine or compressor, the blades of a blade row are mounted in support structure each by one end and carry blade shrouding at their opposite ends, the shrouding comprising a plurality of part-annular channel-section members which together form a substantially complete annulus, each such member having a base and lateral webs defining a channel and each such member having the ends of a plurality of the blades rigidly secured in transverse slots in the base of the channel and having its channel facing away from the blades. A machined sealing ring formed in a number of part-annular sections is provided, each such section being interlocked through tongue and groove connections with the free edges of the lateral webs of each of a number of the channelsection members. In the axial-flow compressor shown, the rotor blades 10, 11 are mounted on rotor discs 15, the axial flanges 16 of which abut together. The stator blades 13, 14 have root portions 17 at their outer ends, the root portions having flanges 17a which engage with ring members 28 which are secured by bolts 29 within the stator casing 30. Channel section shrouding segments 19, 20 engage with the radially inner ends of groups of stator blades, the ends of the flanges 20 being formed as axial flanges 23. Sealing ring sections 22 are formed with enlarged end portions 22a in which grooves are formed, the flanges 23 of the shroud segments 19, 20 engaging within the grooves. The sealing ring 22 co-operates with annular rib 24 on the rotor discs 15 to provide a seal. The sealing ring sections 22 co-operate with say five groups of stator blades, the sections 22 being formed at one side with lugs or flanges 25 which close the gaps 26 between adjacent shroud ring segments 19, 20. The sealing ring sections 22 are prevented from circumferential displacement by means of a plate member secured at one end thereof, the plate member having lugs which engage in notches at the end of the shroud ring segments.
Patent GB-442152-A (GB)
Title: The manufacture of chromo-complex compounds of mono-azodyestuffs
IPC: C09B45/16
Filed: 1934-08-02
Abstract: Chromo-complex compounds of monoazo dyes are made by coupling diazotized o-aminophenols or o-aminophenol ethers with pyrazolones of the formula <FORM:0442152/IV/1> and treating the azo dyes thus obtained at elevated temperature and under pressure with agents yielding chromium.  In an example, the azo dye 5-nitro-2-aminophenol --> 1-(6<1>-sulpho - 2<1> : 4<1> - dichlorophenyl) - 3 - methyl - 5-pyrazolone is treated in an autoclave with aqueous chromium formate (clear bluish-red on cotton).  Other diazo components specified are 4-chloro- or 4-nitro-2-aminophenol, 4- or 5-nitro- or 4-chloro-2-amino-1-methoxybenzene.
Patent GB-1195123-A (GB)
Title: Improvements in Tape Handling Apparatus.
Inventor: HORTON FREDERICK HENRY PATRICK
IPC: G11B15/58
Filed: 1967-05-16
Abstract: 1,195,123. Automatic control systems for tape handling apparatus. INTERNATIONAL COMPUTERS Ltd. May 7, 1968 [May 16, 1967], No.22618/67. Heading G3R. In tape handling apparatus of the type including hollow suction blocks 26, 27 positioned to exert a braking force on the tape 3, the blocks are connected to the air suction system of a tape loop reservoir 10 in which a predetermined loop is maintained during recording or playback operation and from which the loop is withdrawn during a fast rewind operation, the arrangement being such that the braking force exerted by the blocks during rewind is less than that exerted during recording or playback. The reservoir 10 and position control circuits, 31, 32 are similar to the arrangement described in Specification 1, 195, 121 and the control system for producing the recording, playback and rewind operations is that described in Specification 1, 195, 122. During recording or playback with a loop 9 in the reservoir 10, a strong suction is exerted by the unit 14 on the blocks 26, 27 through vents 13, 20 and possibly vents 11 and 12 depending on the loop position. During rewind the loop 9 is removed from the reservoir 10 so that the blocks 26, 27 receive suction from the vents 11, 12, 13 and atmospheric pressure from the open end 22 of the reservoir, this combination resulting in a reduced suction and braking force at the blocks. Modifications include the use of an independent vent for the blocks 26, 27 (instead of one associated also with the fault detector 23), the use of a single compartment reservoir or the use of an auxiliary reservoir formed inside or outside the main reservoir 10, with the option of suction only for the blocks and the loop 9 being formed by other means.
Patent GB-996050-A (GB)
Title: Didactic drawing apparatus
IPC: G09B11/00
Filed: 1964-06-01
Abstract: 996,050. Mathematical drawing-appliances. L. CONGOST S.A. June 1, 1964 [June 1, 1963], No. 22635/64. Heading B6P. An international drawing apparatus for producing various closed curves comprises a rotatable circular platform 20 supporting drawing- paper 19, drawing means such as a pencil or ball-point 25 supported on an angular arm 21 having a shaped edge 21a and a pivot 15 which can be inverted in any one of a plurality of recesses 14 in a toothed plate 11, and a button 4 for manually rotating a disc 5 geared to the plate 11 through a toothed plate 8 having a plurality of depressions 9, into one or more of which are selectively inserted pegs 10 for co-operation with the edge 21a The platform 20 is rotated through the plate 11 by a toothed belt 16. Pegs 10 can be stored on the cover of the apparatus, and a plurality of interchangeable arms 21 provided, with varying edges 21a. In operation, rotation of the disc 5 produces closed curves on the paper, the shape of the curves depending on the shape of the edge 21a and the positions of the pegs 10 and the pivot 15. The drawing means 25 is mounted on an oscillating support 24, and resilient means 26 maintain it in operative or inoperative position. In another form, the plate 8 is replaced by a single stud and the disc 5 geared to the plate 11. In a further form, the plate 11 is omitted, the pivot 15 fixed, and the belt 16 driven from the plate 8.
Patent GB-1169958-A (GB)
Title: A method and apparatus for impregnating wood
IPC: B27K3/10
Filed: 1967-05-16
Abstract: 1,169,958. Impregnating wood. BOLIDEN A.B. 16 May, 1967 [16 May, 1966], No. 22733/67. Heading D1P. In the impregnation of wood by introducing the wood into an impregnation vessel, evacuating the vessel and filling with impregnating liquid, and applying pressure to the liquid, the pressure is applied in two or more stages, using at least one high capacity low pressure pump in one stage and at least one low capacity high pressure pump in a subsequent stage. All the pumps may be initially in operation and progressively disconnected, or they may be operated in succession. The pressure pumps may be centrifugal pumps and the vacuum pump may be a liquid ring pump. The maximum pressure applied may be 8-14 kg/cm<SP>2</SP>. In an automatic process, a vacuum pump 11 is employed to evacuate a cylinder 1 containing wood and to draw impregnating liquid from a reservoir 2 via a line 3 and a valve 4 into cylinder 1 and a vacuum tank 13 connected thereto by a three-way cock 9. When the liquid reaches a predetermined level in tank 13, valve 4 is closed and cock 9 is operated to connect reservoir 2 to cylinder 1 via two parallel high and low pressure pumps 6 and 7 respectively. Until a pressure of 7 kg/cm<SP>2</SP> is reached, both pumps operate, whereafter the maximum pressure is attained using pump 6 only. When the desired maximum pressure has been reached, a by-pass valve 5 opens, thus maintaining a constant pressure in cylinder 1. At the end of a predetermined time for pressure impregnation, pump 6 ceases operation, valves 4 and 19 are opened and cock 9 is returned to the vacuum position, thus allowing liquid to drain back from cylinder 1 to reservoir 2.
Patent GB-386907-A (GB)
Title: Improvements in line spacing mechanism for typewriting machines
IPC: B41J19/84
Filed: 1932-08-13
Abstract: 386,907. Typewriters. SMITH & CORONA TYPEWRITERS, Inc., L. C., 51, Madison Avenue, New York, U.S.A. Aug. 13, 1932, No. 22752. Convention date, Jan. 7. [Class 100 (iv).] Line-spacing mechanism.-In mechanism comprising a hand-lever connected to a pawl carrier pivoted on the platen axle and carrying a pawl which is normally disengaged from a ratchet-wheel, the pawl-carrier abuts loosely on both faces of the ratchet-wheel, the arrangement preventing the pawl-carrier from tilting laterally. A hand-lever 16, pivoted to the frame at 15. rocks a pawl-carrier 24 through a link 27. The carrier abuts on one face of a ratchet-wheel 19 and has a nose 26 passing over the ratchet-wheel and abutting on the other face. A spring-pressed pawl 30 is pivoted to the carrier at 31 and has a stud 33 riding on the edge of an adjustable line-space changer 43 which is pivoted about the platen axle and is adjusted for single, double, or treble spacing by a springy lever 36 whose nose engages in one of three notches in a member 38. A flat-headed stud 41 on the changer works in a slot in the frame member 12. By adjusting the position of the changer the pawl 30 may be held away from the ratchet-wheel 19 for different proportions of its stroke. A stop 44 mounted on the frame member 12 jams the pawl at the end of its stroke.
Patent GB-1294625-A (GB)
Title: Rotary anode x-ray tubes
IPC: H01J35/10
Filed: 1971-04-19
Abstract: 1294625 X-ray tubes SIEMENS AG 19 April 1971 [28 Feb 1970] 22770/71 Heading H1D The rotary anode of an X-ray tube comprises a number of parts which are relatively movable on differential thermal expansion. In Fig. 2 the anode comprises four sectors (of which three, 9, 11 and 12 are shown) which are clamped together between an upper plate 16 and a lower molybdenum plate 24 which is provided with a rim 27 extending into an annular groove 28 in the sectors. Each sector comprises a molybdenum body 26 provided on its upper surface with tungsten-rhenium target portions 13 and 14 and on its lower surface with reinforcing ribs 29. Shoulders 21 and 22 on adjacent sectors prevent electrons from passing through the gaps between sectors.
Patent GB-687970-A (GB)
Title: Apparatus for treating textiles, paper and other fibrous materials
IPC: D06M10/02
Filed: 1950-09-18
Abstract: <PICT:0687970/IV (c)/1> An apparatus for treating textiles, paper and other fibrous materials in which the materials 3 are continuously conducted through a liquid bath 2 in a tank 1, comprises means for generating vibrations within the tank consisting of two members 5 and 6 spaced a certain distance apart to leave a gap for the passage of the fibrous materials to be treated and extending at least approximately the entire width of the fibrous materials to be treated, at least one of said members being connected to driving means 7 and 8 which set it in vibration in order to cause an intensive movement of the liquid on to and in the fibrous materials.
Patent GB-590909-A (GB)
Title: Improvements in moisture proof laminated sheets and packages
IPC: D21H19/04
Filed: 1944-11-17
Abstract: 590,909. Compound sheet materials. OLSTAD, C. P. Nov. 17, 1944, No. 22893. [Class 140] Compound sheet material for packaging consists of a sheet of metal foil faced on both sides with thin paper laminations which are in turn covered on their outer surfaces with thin heat-sealable films of a flexible, moistureproof material, all the layers being united by moistureproof adhesives. The metal foil may be of tin or aluminium, the paper may be of a sulphite type such as glassine and the heatsealable films, may be rubber hydrochloride, polyvinyl chloride, polyvinyl acetate, or a copolymer of vinyl chloride and vinyl acetate. The adhesive for uniting the paper and metal layers may be a plasticized vinyl resin emulsion or a starch adhesive, and the adhesive for uniting the outer films may be plasticized'vinyl resin emulsion. As shown, webs of paper D and G are coated with adhesive and pressed on to opposite sides' of a web of metal foil E by pairs of rollers F and H, the composite web so formed being coated on both sides with adhesive on to which the outer layers of film J are pressed by rollers K. Specification 451,573 is referred to.
Patent GB-1348466-A (GB)
Title: Mobile refrigerator shipping container unit
IPC: B65D88/74
Filed: 1972-05-16
Abstract: 1348466 Shipping containers UNITED BRANDS CO 16 May 1972 [9 July 1971] 22967/72 Heading F4H  A mobile refrigerator shipping container unit comprises a cargo compartment 12 having an air delivery passage 16 and top return outlet 18; a machinery compartment 14 formed of three chambers, the top one of which 20 contains two fans 22 and 24, an evaporator 26, a fresh air inlet duct 28 and an air outlet duct leading to the central compartment 34 which houses the refrigeration plant. The refrigeration plant includes a compressor 38, an air-cooled condenser 34, a water-cooled condenser 42, a dryer 44, expansion valve 46 and heat exchanger 48. A control by-pass line 50 runs off the condenser delivery line 40 to a point beyond the expansion valve 46 and is shown as including a solenoid valve 52, a thermostatic valve 54 and a delivery line 56. Water inlet 60 and outlet 62, and air inlet 72 and outlet 70 are provided. Air temperature sensors 80 and 82 connected to a stepthermostat 84 are used to control the unit. The bottom chamber 86 of the machinery compartment 14 contains an I.C. diesel engine power generator 88, a fuel tank 89 and a radiator 90.
Patent GB-653881-A (GB)
Title: Improvements in or relating to coin-freed liquid dispensing apparatus
IPC: G07F13/00
Filed: 1948-08-31
Abstract: 653,881. Coin-freed liquid dispensing apparatus. ROWE, A. G. Aug. 31, 1948. No. 22974. [Class 27] In a coin-freed petrol pump, or other liquid dispensing apparatus, a slide-rod 15, connected with the coin insertion slide, is adapted to advance a pegged quantitywheel 8 by means of a pawl 16 and against the action of a return spring 12, an arm 10 on the shaft of the quantity-wheel then closing a switch to set the delivery pump in action. The delivery meter (not shown) rocks an escapement pawl 17, and also lifts the rod 15 for controlled return by a dash-pot 24, so allowing the quantity-wheel 8 to return step-by-step until the quantity prepaid has been delivered, whereupon the arm 10 switches off the pump motor. In the construction shown, the delivery meter is adapted to lift a rod 27 and rock a shaft 19a, an arm 28 on which lifts a plate 30 and two depending rods 33a, 34a. The rod 34a rocks the escapement pawl 17 through an arm 34 on the pawl shaft 18. The rod 33a rocks a shaft 19, an arm 20 on which lifts the rod 15. The dash-pot 24 is connected to a second arm 22 on the shaft 19 and delays its return sufficiently for the pawl 16 to clear the quantity-wheel 8 as it returns one step under control of the pawl 17.
Patent GB-270945-A (GB)
Title: Equipments for carrying loads from the person
IPC: A45F3/14
Filed: 1926-09-18
Abstract: 270,945. Burgess, L. J. Sept. 18, 1926. Equipments.-Relates to means for carrying loads from the person and consists in a construction of equipment which passes over one shoulder and is provided with spring links attached to a member, which engages a handle on the object carried and also engages the body of the object. As shown, the invention is applied to an equipment for carrying milk churns. The strap 1 passes round the wearer's shoulder and is attached at each end to spring links 5 to which latter is attached a hook 7. When the equipment is hooked on to the handle of a churn a block 10, attached to the hook, engages by means of a groove 11 with the seam of the churn. When two persons provided with the above equipment lift a churn, the blocks 10 keep the churn away from the feet of the persons carrying it.
Patent GB-665914-A (GB)
Title: Improvements in or relating to the anti-static treatment of textile fibres, filaments and yarns
Inventor: EVANS ELLIOTT ALFRED
IPC: D06M13/224
Filed: 1948-09-01
Abstract: An aqueous solution or dispersion comprising an organic ester of a carboxylic acid having a molecular weight not above 100 and a polyglycol having a molecular weight of at least 200 is applied to textile fibres, filaments and threads to reduce or minimize the effects of electric charges.  Preferably the ester is derived from acetic acid, and may be diacetin or ethylene glycol monomethyl ether acetic ester.  The preferred polyethylene glycol has a molecular weight of about 4000.  A solvent may be added to make the mixture freely soluble in water.  Such solvents include diethylene glycol, diethylene glycol monobutyl ether and low molecular weight alcohols. If the ester is not water-soluble, a peptizing agent such as sodium petroleum sulphonate may be added to make it readily dispersible. The preparation is particularly useful for polyamide fibres, but cotton, flax, rayon or wool may also be treated.  In an example (all parts by weight) 46 parts of diethylene glycol, 34 parts ethylene glycol monomethyl ether acetic ester and 20 parts polyethylene glycol of molecular weight 4000 are mixed with 20 parts distilled water.
Patent GB-167090-A (GB)
Title: Improvements in and relating to spring-bow compasses
IPC: B43L9/16
Filed: 1920-08-06
Abstract: 167,090. Hughes, H. A., and Mc- Callum, G. R. Aug. 6, 1920, Compasses and dividers. -The legs a, a<1> of spring- bcw compasses are separated towards their upper ends by a ball b seating in recesses c, c<1> in the legs and acting as a pivot or fulcrum for their turning movement. The spring d engages with the ex - tremities of the legs above the ball.