baber/WOPTO huggingface dataset:
Patent GB-889230-A (GB)
Title: Improvements in or relating to block polymers
IPC: C08F297/08
Filed: 1960-01-25
Abstract: Block polymers are produced by polymerizing a C2-C8 alpha-olefin which does not have a side chain substituent adjacent to the double bond with a catalyst system which comprises a dispersion in an inert liquid hydrocarbon of a subhalide of a Group IVa, Va or VIa metal in combination with an activator, then, in the absence of the first monomer, continuing polymerization with a different alpha-olefin of the abovementioned type whereby it polymerizes as an extension of the previously formed polymer, terminating the polymerization and separating from the reaction mixture a block polymer of which the molecules consist essentially of a single section of one polyolefin joined to a single section of the other polyolefin.  Alpha-olefines specified are ethylene, propylene, butene-1, 3-methylbutene-1, 3,3-dimethylbutene-1, 4-methylpentene-1 and 3,4-dimethylhexene-1. Metal subhalides specified are titanium, zirconium, and vanadium trichlorides chromium dichloride and molybdenum tetrachloride, and the corresponding iodides and fluorides.  Activators specified are aluminium, zinc and magnesium triethyls, triisopropyls and triisobutyls, aluminium alkyl halides, n-butyllithium, methyl sodium, butylsodium, phenylisopropylpotassium, lithium, sodium and lithium aluminium hydrides, sodium and potassium borohydrides and Grignard reagents.  Hydrogen may be present during the polymerization of either or both of the olefins.  The examples describe the preparation of ethylene-propylene block polymers using a titanium trichloride-aluminium triethyl catalyst.
Patent GB-547500-A (GB)
Title: Improvements in or relating to feeding articles
IPC: B65G47/14
Filed: 1941-02-28
Abstract: 547,500. Rotary conveyers. BEST, C., and MOLINS MACHINE CO., Ltd. Feb. 28, 1941, No. 2772. [Class 78 (i)] In feeding apparatus of the type comprising a container the bottom of which has two relatively movable members which co-operate to form a succession of conveyer pockets each of which is arranged to receive a single article and to move it toward the outlet, means are provided for ejecting from its pocket each article which is not properly located therein, before it reaches the outlet. A power-driven disc 6 is mounted on the inclined base of a hopper 2 into which is thrown a quantity of bullets, bullet-envelopes, or like elongated solid or hollow articles. Around the rim of the disc 6 are disposed a plurality of recesses 7 having chamfered outer edges, and into each of these recesses falls more or less evenly one of the articles. Those which lie properly in the recesses are suitably placed for falling through a delivery orifice 3 located at the uppermost point of the disc travel, and pass thence down a flexible chute. The articles which overlie the recesses, either at front or rear, are ejected therefrom by a spring-pressed blade 9 pivoted at 10 and projecting into the path of the article through an aperture in the wall of the hopper 2. The blade 9 lies over and clear of properly located articles, but takes under upwardly tilted ones, and after being pressed back, snaps under the rear of downwardly tilted ones, to throw them out of their recess back on to the loose pile. A box-like baffle member 15 is secured to the top of the blade 9 to deflect and break up a nesting string of hollow articles which might otherwise pass over the blade 9 and arrive at the outlet 3. A screw 17 forms an adjustable stop for the blade 9. Pusher members 19 are fixed to the disc 6 at intervals to break up nested articles, and a stirrer 18 attached to the disc 6 rotates therewith for the same purpose.
Patent GB-1467593-A (GB)
Title: Apparatus for removing waste portions from hollow moulded articles
IPC: B29C49/36
Filed: 1975-01-22
Abstract: 1467593 Removing flash TOYO SEIKAN KAISHA Ltd 22 Jan 1975 [10 July 1974] 2795/75 Heading B5A Apparatus for removing waste portions from hollow moulded articles, for use in a moulding line in which a continuous string of hollow articles is sent out from a rotary moulding machine, e.g. a blow-moulding machine, comprises a pair of conveyers which are provided with holders so that the articles may be held between the conveyers, means for removing the waste portion from one end of each of said articles by applying a twisting force to said waste portions while the articles are held by the holders, means for separating said waste portions from the other end of each of said articles, and means for driving said conveyers and said twisting and separating means synchronously with said rotary moulding machine. The removing and separating means may comprise a pair of rotating blades 28a, 29a, 31a, 32a, Fig. 4; alternatively there may be provided a sealing head and support 91, Fig. 10, to press and heatseal the mouth of the article and separate the adjacent waste portion.
Patent GB-469673-A (GB)
Title: Improvements in or relating to television and like apparatus
IPC: H04N3/02
Filed: 1936-01-30
Abstract: 469,673. Television. BAIRD TELEVISION, Ltd., and BAIRD, J. L. Jan. 30, 1936, No. 2854. [Class 40 (iii)] A single aperture, from which light is traversed over an object or screen, undergoes a real or apparent displacement which corrects distortion of the area traversed. The aperture is defined by the intersection of two slots 2, 4, of which at least one moves during the scanning. Alternatively, an image of the aperture is displaced by a reciprocating or rotating mirror. The size of the aperture is varied during the scanning to make the lines contiguous, as described in Specification 440,917.
Patent GB-637730-A (GB)
Title: Improvements in and appertaining to electrical collectors of the slipper type for feeding electric traction vehicles
IPC: B60L5/08
Filed: 1947-01-31
Abstract: 637,730. Collectors. WISEMAN & CO., Ltd., A., ARTHUR, A. J., and BOURNE, D. R. Jan. 31, 1947, No. 2972. [Class 104 (iii)] Shoe collectors which are so mounted that they can rock about a horizontal axis 17 transverse to the conductor wire and also about a vertical axis 18, have the horizontal axis 17 disposed above the contact surface of the shoe and situated ahead of the vertical axis 18. Preferably the mid point 19 of the contact surface is situated ahead of the vertical axis 18 but nearer thereto than to the vertical plane through the horizontal axis 17. The contact surface 8 is mounted in a carrier 7 which has a flat under-spring 22 to give resilient support and a rear flange for taking thrust. The carrier 7 is secured by a bolt 20 to a holder 9 having an arcuate slot 15 to allow sliding on an annular segment 14 secured in similar but shorter arcuate slots in the side cheeks of the head 2 by cover plates. According to the Provisional Specification the bolt 20 may be a quick-release wing bolt.
Patent GB-661569-A (GB)
Title: Improvements relating to a.c. electric dynamos
Inventor: BEVIS WILLIAM ALBERT
IPC: H02K19/22
Filed: 1949-02-03
Abstract: 661,569. Alternators. C.A.V., Ltd. Jan. 16, 1950 [Feb. 3, 1949], No. 2978/49. Class 35. An alternator of the type having stationary generating winding and D.C. excitation comprises a plurality of field structures arranged coaxially on the same shaft a and energized by two or more annular exciting windings g. An iron disc c having polepieces d is placed between two iron sleeves b fixed to the shaft a. To each outer end of the sleeve b there is fixed a disc e having polepieces f extending axially inwards so as to imbricate with the polepieces d. The exciting windings g are carried on sleeves b between the polepieces. The polarity of all the polepieces d is the same but opposite to that of the polepieces f.
Patent GB-113963-A (GB)
Title: Improvements in Spring Suspensions for Vehicles.
Inventor: QEUVEDO LUIS DE TORRES Y
IPC: B60G11/27
Filed: 1918-02-20
Abstract: 113,963. Torres y Quevedo, L. de. March 8, 1917, [Convention date]. Pneumatic springs.-The pneumatic cushions a. connected to reservoirs m can have the volume of contained air reduced by the injection of water into the reservoirs. Specifications 22148/00, 18432/11, and 2442/14 are referred to.
Patent GB-1466035-A (GB)
Title: Phosphonic acid derivatives
IPC: C07F9/40
Filed: 1975-01-24
Abstract: 1466035 Quaternary aminoalkylene phosphonic acids and derivatives thereof MONSANTO CO 24 Jan 1975 [25 Jan 1974] 3116/75 Heading C2P Quaternary aminoalkylene phosphonic acids and salts thereof having the general formula  wherein n is 1, 2 or 3 and R is alkyl, alkenyl, cycloalkyl or aralkyl having 1-40 C atoms or a or group, or, when n is 1, the two R groups and the adjacent nitrogen may form a heterocyclic ring having 3 to 10 members; each R<SP>1</SP> is alkylene or alkenylene of 2-8 C atoms, each R<SP>11</SP> is alkylene or alkenylene of 1-6 C atoms; and M is H, alkali metal or ammonium are prepared by reacting an amino alkylene phosphonic acid of the formula R 3-n -N-(R<SP>11</SP>PO 3 H 2 ) n  or an aminoalkylene phosphonic acid of the formula where M is 1 or 2 with a quaternizing agent in a polar organic solvent and in the presence of a hindering tertiary amine having a PKa of at least 8.
Patent GB-414139-A (GB)
Title: Improvements in heating systems for motor vehicles
IPC: B60H1/08
Filed: 1933-02-02
Abstract: 414,139. Heating vehicles. GROSE, F. J., 190, Hammersmith Road, London, UPJOHN, W. H., Dorset House, West Parade, Norwich, SMITH & SONS (MOTOR ACCESSORIES) Ltd., S., Cricklewood Works, Cricklewood, London, and EASTERN COUNTIES OMNIBUS CO., Ltd., Thorpe Road, Norwich. Feb. 2, 1933, No. 3253. [Class 64 (ii).] For warming a motor vehicle by the cooling water of the engine, a valve 16 diverts cooling water from the connection 12 leading to the top of the radiator 11, and a threeway valve 20 differentially controls the flow of the diverted water through a byepass 21 to the intake side of the circulation pump 14 and a conduit 22 which passes through radiators 23 in the vehicle on the way to the intake of pump 14. The valve 16 may be hand-operated or it may be a thermostatic valve such as that described in Specification 314,840, [Class 135], which comprises a pivoted disc 17 and a temperature responsive member 18. The valve 20 may be hand-operated or controlled by a thermostat in the vehicle.
Patent GB-272570-A (GB)
Title: Process for destroying animal pests
IPC: A01N59/04
Filed: 1926-02-05
Abstract: 272,570. Beck, W., and Deutsche Goldund Silber-Schiedeanstalt vorm. Roessler. Feb. 5, 1926. Fumigants; vapours, delivering. - Vermin are destroyed in their burrows by means of gases containing small proportions of sulphuretted hydrogen and carbon monoxide. The gases may be separately generated and then mixed but preferably are obtained by ignition of a cartridge containing sulphur, a carbonaceous material rich in hydrogen, and potassium nitrate or other compound supplying oxygen in quantity sufficient to support combustion in absence of air but not in excess. Substances capable of reacting in the manner of gunpowder, or of the material known as Thermit, may be added. According to examples, the ingredients used are sulphur, sawdust, wood charcoal, and potassium nitrate, with or without the addition of iron powder. Smokeproducing or poisonous substances such as tarry distillation products, naphthalene, camphor, p. dichlor-benzene, hexachlor ethane, and arsenic compounds such as the sulphide, may also be added. The cartridge may be ignited in a tube having a conical open end to fit in the animal's burrow and closed at the other end. Air mav be pumped in to distribute the fumes after their formation but is not injected during combustion of the cartridge so as to avoid oxidation of the gases.
Patent GB-1061307-A (GB)
Title: Improved hoisting crane
Inventor: MENNERDAHL CARL ERLING
IPC: B66C23/20
Filed: 1966-01-22
Abstract: 1,061,307. Jib cranes. C. E. MENNERDAHL. Jan. 22, 1966, No. 3379/66. Heading B8B. The jib of a crane comprises outer and inner portions 5, 4 hinged together about a vertical pivot 7 the inner portion being rotatably mounted on a post 1. The outer portion contains a ram which supports a plurality of pulleys on its piston-rod, a lifting rope 31 passing round these pulleys and further pulleys on the end of the outer portion. One end of the rope is anchored within the outer section. The pivot 7 is offset so that the jib may only be folded in one direction, a rope 36 being provided for this purpose. In a modification lugs are provided for accommodating a pivot pin on both sides of the inner section of the jib and the pivot pin is removable. To reverse the direction of folding of the outer section this section is detached by removing the pivot pin, rotated about its longitudinal axis through 180 degrees and re-connected to the opposite pair of lugs.
Patent GB-534445-A (GB)
Title: Improvements in or relating to web roll supporting mechanisms for printing presses
IPC: B65H16/02
Filed: 1940-02-26
Abstract: 534,445. Feeding webs. GOSS PRINTING PRESS CO., Ltd. Feb. 26, 1940, No. 3571. Convention date, July 14, 1939. [Class 100 (i)] A rotatable multi-web roll support for a printing press is provided with a reversible hydraulic motor for moving the support axially for side register of the webs. The shaft 14 on which are fixed the usual spider arms 12 for supporting three web rolls, is mounted at each end for axial movement in fixed pedestals 16. Fixed to one of the supports 16 is a fluid pressure cylinder comprising a cylindrical body part 22 and end covers 20, 24 through which pass piston rods 40, 42 of equal diameter. The rod 40 which is rotatably connected to the end of the shaft 14 by a head 46 and retaining plate 47 has a' reduced end threaded into one end of the rod 42 which is provided with a flange bolted to the piston 32. The piston is keyed to the rod 40 and is provided with cup leathers 34 secured to the piston by plates 36. The opposite ends of the cylinder communicate through non- return valves 62 with an oil reservoir and also through ports 58, 59 and pipes 56, 57 with a reversible high speed pump 54 directly driven by a reversible electric motor 50 controlled by push button switches 60. To prevent excessive movement of the shaft 14 collars 68 fixed at opposite ends thereof are provided to open limit switches 65 in the motor circuit.
Patent GB-566947-A (GB)
Title: Improvements in prefabricated buildings
IPC: E04B1/61
Filed: 1943-03-05
Abstract: 566,947. Walls and floors. ASHCROFT, B. March 5, 1943, No. 3610. [Class 20 (iv)] A wall or floor for a prefabricated building is made up of or lined with panels which are connected together side to side, or to a corner post &c. by metal rods D of H-section, each of the latter entering opposed grooves a in the abutting sides A, A of two panels and engaging behind flanges or lips b associated with the said grooves. The flanges b may be constituted by the turned-in edges of a sheet-metal channel member B, Fig. 1, secured within the groove a by screws C, or by a pair of metal strips screwed to the side of the panel so as to overlap the sides of'the groove. When concrete &c. panels are used, channels such as B, Fig. 4, with welded-on lugs, are embedded in the sides of the panels during the moulding of the latter. Fig. 5 shows a connection between the wooden base member H of a panel and a wall plate J, the latter being provided with a number of coach screws &c. K with heads k to engage behind the flanges b of the channel B, and Fig. 8 an assembly of upper and lower panels A with intermediate floor joist T and wall plate V secured together by screws W.
Patent GB-525883-A (GB)
Title: Improvements relating to the treatment of boiler flue gases
IPC: B01D53/50
Filed: 1939-02-03
Abstract: 525,883. Ammonium sulphate. SIMONCARVES, Ltd., LEIGH, J. H., and FULHAM, MAYOR, ALDERMEN AND COUNCILLORS OF THE METROPOLITAN BOROUGH OF. Feb. 3, 1939, No. 3613. [Class I (ii)] Boiler flue gases are washed with ammoniacal liquor, which is then heated under pressure in an autoclave, e.g., at 190‹C. and 200 lb. per sq. inch, the ammonium sulphate obtained beings crystallized out.
Patent GB-1489480-A (GB)
Title: Planting apparatus particularly for planting potatoes
IPC: A01C9/08
Filed: 1975-01-28
Abstract: 1489480 Potato planters AGROSTROJ PROSTEJOV NARODNI PODNIK 28 Jan 1975 [11 Feb 1974] 3653/75 Heading AID In a planting apparatus, a number of scooping carriers are carried on arms, each arm having a support portion, pivotably mounted in a rotatable shaft, and connected to a crank carrying a pin or roller parallel to the axis of rotation of the shaft and engaging a cam guide. In operation, the apparatus collects and projects material 2, e.g. potato tubers, in scoops 1 carried at the ends of arms 4, having support portions 5, which rotate at different angular velocities in different positions about the shaft 7 as a result of the engagement of rollers 11 with the cam groove 12. During planting, material 2 is fed into a position to be scooped from the reservoir 23 when the spring-loaded arm 26 is displaced by a cam 29. A free space 22 on each side of the scooping path accommodates surplus material. The apparatus is mounted on a furrowing machine, Fig. 4 (not shown), and coupled to the machine's ground engaging wheels so that material 2 is projected rearwardly and downwardly. At the point D a scoop 1 has minimum circumferential velocity, to minimise damage to the scooped material 2, and at point F the circumferential velocity V 2  falls abruptly from its maximum value to release material 2. The value of V 2  is chosen so that the horizontal ground impact velocity of material 2 is equal to the translational velocity of the furrowing machine, in order to ensure vertical descent of material 2 into a furrow.
Patent GB-211683-A (GB)
Title: Device for destroying rats and like vermin
IPC: A01M23/38
Filed: 1923-02-08
Abstract: 211,683. Davidson, T. Feb. 8, 1923. Electric killing - appliances. - An electricallyoperated device for destroying rats and like vermin, comprises a base-board with a series of positive and negative contact studs or bars and a covering board spaced apart therefrom. A baseboard B, having an unbroken surface, is provided with a series of studs G, alternate rows being connected respectively to a positive pole and a negative pole, which is earthed, the current being obtained for example from a public supply suitably reduced to about 100 volts. The connections are through two cut-outs E. F and a switch D on a covering board A spaced from the baseboard for example by pillars G. An aperture J is provided in the centre of the board A and a wire cage containing aniseed or the like is suspended therefrom. The wiring beneath the board B may he protected by a covering and a space round the periphery of the board is preferably left free of studs.
Patent GB-866746-A (GB)
Title: Improvements relating to dynamo-electric generators
Inventor: HAMILL JOHN IVAN
IPC: H02K3/22
Filed: 1957-02-04
Abstract: 866,746. Electric generators. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Feb. 3, 1958 [Feb. 4, 1957], No. 3777/57. Class 35. In a dynamo-electric generator having an electrical power output winding comprising hollow conductors containing cooling liquid passageways, the passageways in circumferentially separated conductors are connected together through heat exchangers 11, Fig. 1, at positions which in operation of the generator are at equal electrical potentials, and the passageways are arranged to provide two sideby-side cooling liquid paths 2, 3 which are joined together at one end to form a continuous cooling liquid circuit outgoing along one path 2 and returning along another 3. As shown, the heat exchangers 11 are provided at the winding coil noses and comprise, Fig. 2, tubes 15, 16 whose transfer area is increased by coils (not shown) of coiled wire. Applied to an alternator star-connected stator winding the paths are joined together at the phase end 5 and the liquid is introduced and discharged at the neutral end 4 where a pump 8, cooler 9 and reservoir 10 maintain liquid circulation via an inlet 6 and an outlet 7. The liquid may be oil or distilled water, a fan (not shown) may circulate a gas such as hydrogen over the heat exchangers, and the conductors may be Roebel-type transposed bars.
Patent GB-853613-A (GB)
Title: Improvements in or relating to ceramic materials
Inventor: DEMBO VICTOR ARNOLD
IPC: C04B37/02
Filed: 1956-02-07
Abstract: A ceramic contains leucite or substitution products (defined) of leucite in an amount that the ceramic has a mean coefficient of linear thermal expansion over the range 20 DEG -500 DEG C. greater than 200 x 10-7/ DEG C.  Other ingredients include mullite, orthoglass and filspathic glass, and plasticizers, e.g. ball clay, glycerine and fluxes, e.g. felspar.  The ceramic is obtained by firing a batch containing, in per cent, pottassia 8-25; alumina 20-30; and silica 50-72.
Patent GB-340435-A (GB)
IPC: C01C3/18
Filed: 1930-02-04
Abstract: In a process for preparing alkaline earth cyanamides from alkaline earth carbonates and synthetic ammonia in the presence of carbon monoxide and in which the hydrogen for the ammonia synthesis is partially or entirely obtained by the reaction of carbon monoxide and water, the carbon monoxide-water reaction is carried out by passing carbon monoxide with ammonia over alkaline earth carbonates, with or without the addition of catalysts, cyanamides being produced together with carbon dioxide and hydrogen.  According to an example, producer gas or carbon monoxide is passed together with ammonia over calcium carbonate, calcium cyanamide being formed.  After separation of ammonia and carbon dioxide from the waste gases, the resulting carbon monoxide, hydrogen, nitrogen mixture is passed with, if necessary, additional hydrogen or nitrogen into a hydrogen contact furnace where further carbon monoxide reacts with water to form hydrogen and carbon dioxide.  The unchanged carbon monoxide is separated from the hydrogen by pressure copper washing or in the Linde separator and may be used in the formation of further cyanamide. Alternatively, the waste gases from the cyanamide process may be introduced direct into the pressure copper washing apparatus or Linde separator.