baber/WOPTO huggingface dataset:
Patent GB-624642-A (GB)
Title: Improvements in and relating to fertilizers containing urea
IPC: C05C9/00
Filed: 1946-11-08
Abstract: Fertilizers containing urea are granulated by mixing urea and one or more fillers, with or without other fertilizes such as phosphates and potassium sulphate or chloride, then introducing a minor proportion of water and continuing the mixing until granules of suitable size are obtained, the mixing being effected by tumbling or stirring and the water being introduced, for example by spraying, over a short period of time, e.g. 5 minutes. The filling materials, preferably ground through a 100 mesh standard sieve, may be mixed with 50-83 per cent by weight of urea and be granulated with (a) 19-24 per cent by weight of water where Plaster of Paris is the filler or (b) 7.5-12 per cent by weight of water where the fillers are gypsum, anhydrite or calcium carbonate e.g. chalk, the fertilizer so produced containing 15-21 per cent by weight of available nitrogen. Granulation may be carried out at 60 DEG -80 DEG C. in a steam-jacketted paddle granulator, which is described, and the product may be dried in the granulator or in a separate drier. According to the Provisional Specification the fertilizers may be produced by mixing the ingredients with a minor proportion of water and continuing the mixing until the granules are of suitable size.
Patent GB-1077487-A (GB)
Title: Improvements in or relating to grids
IPC: E01C5/20
Filed: 1965-08-03
Abstract: 1,077,487. Floor mats; trays. J. L. A. SEE. Aug. 3, 1965 [Aug. 5, 1964], No. 33249/65. Headings A4A and A4S. [Also in Division A6] A floor covering or tray comprises a plurality of identical, notched ring-like members 1, interengaged to form a grid. The members 1, which may be rectangular as shown, or circular, are preferably moulded from a plastics material, and may comprise, internal and/or external reinforcing ribs.
Patent GB-309418-A (GB)
Title: Improvements in or relating to worm gearing
IPC: B23F11/00
Filed: 1927-12-09
Abstract: 309,418. Brown & Sons (Huddersfield), Ltd., D., and Merritt, H. E. Dec. 9, 1927. Gear-cutting. - In globoidal worm and wheel gearing, the wheel is formed with teeth profiles a of spherical curvature by the rotation on its axis, which is inclined to the plane of the paper, of a milling or abrasive cutter d with cutting- faces of circular profile; the blank remains stationary and the tool is fed in radially. T h e globidal worm c is produced by a hollow rotating cutter e with its cutting-face e<1> spherical to represent a tooth of the worm-wheel, the cutter and worm blank having generating motions similar to those of the wheel and worm to be produced.
Patent GB-1460677-A (GB)
Title: Equipment for piloting aircraft
IPC: B64C19/02
Filed: 1974-07-30
Abstract: 1460677 Controlling aircraft B MORIN 30 July 1974 [30 July 1973] 33503/74 Heading B7G A flying control system for an aircraft to be piloted by a person unable to use his legs comprises a group of hand-operated control members. As shown in Fig. 1 a base-plate 1 has upstanding lugs 15 to which is secured through holes 43 and studs a further plate 41, Fig.3. In this Figure a joystick 45 operates cables 51, 53 which are connected to pivoted arms 59, 61 to actuate brake servos 67, 69. Shaft 13, Fig. 1, pivotally supports an arm 21, Fig. 2, which carries rods 23, 25 pivotally connected to further rods 27, 29 for operating the rudder, the arm 21 being moved by a rod 35 through a pivotal shaft 37 connected at its upper end to a lug 99 on an axially movable shaft 93, Fig. 4, mounted by pivots 97 for rocking movement and connected by an arm 101 and a shaft 105 capable of rotary and axial movement in a bearing 103 to a control handle 91 which is so mounted as to perform three independent movements F12, F13 and F15. Movement F12 controls the rudder operating arm 21; movement F13 controls the fuel via a flexible cable, not shown, and movement F15 controls the de-icing of the carburettor via a further flexible cable, not shown. At the top of handle 91 are mounted a button 107 for controlling an alternator, a three-position switch for controlling the landing flaps and a button for controlling the fuel pump. A further quick-pitch hand operated handle, Fig. 6, not shown, operated trim tabs.
Patent GB-1535389-A (GB)
Title: Splicing process and apparatus
IPC: B29C48/08
Filed: 1976-08-12
Abstract: 1535389 Splicing webs IMPERIAL CHEMICAL INDUSTRIES Ltd 29 June 1977 [12 Aug 1976] 33603/76 Heading B8R A pair of webs (of polyethylene terephthalate) is spliced by feeding the webs at the same speeds, contacting the webs and applying an electrostatic charge to one or both of the webs to cause them to adhere to one another.
Patent GB-634849-A (GB)
Title: Improvements in or relating to appliances for the automatic inflation of pneumatic rim-tyres
IPC: B60C23/12
Filed: 1946-11-12
Abstract: 634,849. Tyre pumps. LACROIX, H., and BELLI, C. Nov. 12, 1946, No. 33609. Convention date, Nov. 23, 1945. [Class 8(i)] An inflator for a pneumatic tyre mounted on a rimmed wheel W comprises a piston pump mounted radially on the wheel and having its piston 6 attached by a tubular rod 8 to a point on the periphery of the tyre so as to be reciprocated by the flattening of the tube at each revolution thereof, an air receiving anc compressing space located on the end of the pump cylinder 11 adjacent the rim e.g. between a piston collar i and a flap valve 4, 5; the piston being permanent ly subjected on its side remote from said rim under pressure within the tyre by means of the duct in the hollow rod 8. In operation air enters an inlet chamber 3 through a duct 2' controlled by an obturator ring 1, and on the inward i.e. the inlet stroke of the piston the. air passes the flap valve 4, 5 to the compression space. On the outward stroke compressed air from the compression space passes a cup leather 10 to the high pressure space 11<SP>1</SP> and the tyre.
Patent GB-1081564-A (GB)
Title: Load-transfer device for use on road vehicles
IPC: B62D61/12
Filed: 1965-08-06
Abstract: 1,081,564. Tandem axles. R. F. WHITEHEAD. Aug. 6, 1965 [Aug. 7, 1964], No. 33788/65. Heading B7D. In a tandem axle bogey having a drive axle and a trailing axle, e.g. as described in Specification 1,081,565, wherein the tandem axles are pivotable about a central support means, an hydraulic ram 10 is connected by a cable 10 and chain to the trailing axle so that it may be raised to an inoperative position. Alternatively to the hydraulic ram, a pneumatic ram or electromagnetic device may be used.
Patent GB-1512525-A (GB)
Title: Method and apparatus for discharging overboard excess water from the hopper of a hopper suction dredger or vessel for loading dredged materials
IPC: B63B27/24
Filed: 1975-08-14
Abstract: 1512525 Hopper Barges ISHIKAWAJIYAHARIYA JUKOGYO KK and TOKUSHU SHUNSETSU KK 14 Aug 1975 33929/75 Heading B7A In a vessel having a hopper 2 for dredged material, excess water in the hopper 2 is passed to a trough 1 from which it is discharged overboard via outlet passage 5 after a predetermined level has been reached in the trough. This ensures that air bubbles entrained in the water will be released and thus turbidity generated by the discharged water minimised. Water from the hopper 2 passes over a weir 3 and falls onto an inclined plate 4 in a first section of trough, passes beneath the plate 4, enters a second section of trough 1, and is discharged through passage 5 when a valve plate 7 is raised by actuator 8. The latter may be linked to a level sensor in trough 1 for automatic operation. Air bubble removal may be enhanced by blowing compressed air into perforated pipes located on the bottom of trough 1.
Patent GB-377549-A (GB)
Title: Improvements relating to prepayment gas and electricity meters
IPC: G07F15/08
Filed: 1931-12-08
Abstract: 377,549. Prepayment mechanism for meters. MITCHELL, G. P., Dunottar, Shear Bank Road, Blackburn. Dec. 8, 1931, No. 33983. [Class 27.] Price - changing mechanism. - In order to enable the price-change plate to be readily adjusted in semi-darkness, a resilient arm 7, Fig. 1, is revolubly mounted on the spindle of the operating knob 4 of the coinmechanism, and obscures or blocks the figures and notches 6 on the change plate 1 adjacent the one required, which shows through a gap on the outer edge of the arm. The arm is rotated by the official until the gap is opposite the notch corresponding to the price of gas &c. and is retained by a pin 8 engaging, owing to the resilience of the arm, in one of the notches of the change plate. The exposed notch can then be readily engaged with the usual stop 5 on the meter casing In a modification, Fig. 6, the obscuring plate 9 is clipped over the edge of the change plate. In another form, Fig. 5, the means for blocking the notches comprises a wire loop 10 fitting in a groove in the edge of the change plate. A gap in the loop exposes the notch required. One end 12 of the loop is bent towards the front of the meter, so that the official can lift this end out of a notch to move the loop around the change plate when the price of gas &c. is to be adjusted.
Patent GB-890884-A (GB)
Title: Sulfur curing of polyether-urethane rubbers
IPC: C08G18/32
Filed: 1958-10-23
Abstract: A sulphur-curing polyurethane is prepared by reacting (1) from about 0,9 to 1,5 weight equivalents of an organic polyisocyanate having from two to three isocyanate groups, (2) about one weight equivalent of a hydroxy terminated polyalkylene ether glycol having a molecular weight of at least 500 and (3) an olefinic compound having two hydroxyl groups, having the olefinic linkage positioned in the chain of said compound between said hydroxyl groups, having a group of at least five aliphatic carbon atoms, free of oxygen atoms, attached to one of the carbon atoms of the olefinic linkage, and having an alkyl radical of from two to twelve carbon atoms at one end of the molecular chain of said olefinic compound and attached to a carbon atom to which one of the hydroxyl groups is attached, the olefinic compound being used in amounts of from about 10 to 60 mole per cent of the amount of the polyalkylene ether glycol plus the olefinic compound. Specified olefinic compounds are ricinoleyl alcohol and propylene glycol mono-ricinoleate.  About one-fifth to about 8 parts by weight of sulphur may be mixed with 100 parts of the polyurethane and the composition can then be heat-cured.  Before curing carbon black may also be admixed.  Accelerators such as benzothiazole disulphide, tetraethyl- or tetramethyl thiuram disulphide, zinc dimethyl dithiocarbamate, mercaptobenzthiazole and the diisopropyl sulfuramide of 2-mercaptobenzthiazole fillers such as silica, iron oxide, calcium carbonate, titanium dioxide and zinc oxide; and detackifiers such as zinc stearate, oleic acid or stearic acid may be incorporated.  Polyethylene, polypropylene, polytetra (or -penta) methylene, polyneopentylene and mixed polyalkylene glycols are specified polyethers.  In the reaction with the polyisocyanates (of which a number are listed) there is preferably present a catalyst such as iron acetonyl acetate, octylene glycol titanate, stearyl titanate and dicyclopentadienyl iron.  In examples a polyurethane prepared by reacting polytetramethylene glycol, ricinoleyl alcohol and p,p1-diisocyanato diphenyl methane in the presence of iron acetonyl acetate is milled with carbon black, accelerators, sulphur, and zinc oxide and moulded under heat and pressure.
Patent GB-176470-A (GB)
Title: Improvements in and connected with valves for pipe couplings
IPC: F16L29/02
Filed: 1920-12-02
Abstract: 176,470. Drysdale, R. Dec. 2, 1920. Butt joints with valves.-A coupling-member A is provided with a valve seat A<1> which co-operates with the enlarged end B<1> of a valve member B. The stem B<3> is hollow and is provided with openings B<4> and with a washer B<2>. The act of coupling by means of the nut C unseats and opens the valve, and uncoupling allows the valve to close. Reference has been directed by the Comptroller to Specifications 8074/10 and 168,491, (both in Class 135, Valves &c.].
Patent GB-1249322-A (GB)
Title: Films of poly-4-methyl pentene-1
Inventor: BUTEUX RICHARD HAROLD BARCLAY
IPC: B29D7/01
Filed: 1968-07-17
Abstract: 1,249,322. Poly 4-methyl pentene-1 films; laminates. IMPERIAL CHEMICAL INDUSTRIES Ltd. 11 July, 1969 [17 July, 1968], No. 34087/68. Headings B5B and B5N. [Also in Divisions A4 and B8] Unoriented films of 4-methyl pentane-1 polymers having an elongation at break in either the longitudinal or transverse direction of at least 100% and a folding endurance (ASTM D643-43) of at least 4000 cycles for a 0À004 inch thick film may be produced by extruding a tubular or flat film of the polymer and immediately quenching on both sides of the film with a quenching medium, preferably water, at such a rate that spherulites greater than 1 Á in size are not formed. The film may have a 1% secant modulus of at least 2 x 10<SP>5</SP> p.s.i. The polymers which may have a melt index not greater than 2À0 (ASTM D1238-65-T modified by using a 5 kg. weight and a temperture of 260‹ C.), after extrusion and quenching may be biaxially stretched at a draw ratio of up to 7 : 1 at 220‹ to 235‹ C., the resulting film having a shrinkage at 200‹ C. of not greater than 6%. The film may be laminated with another plastics film or a metal foil. The laminate or film, which is heat-sealable may be formed into heat-sterilizable packages and baking trays.
Patent GB-1262403-A (GB)
Title: A flux for soft solders
Inventor: KURJAT JAN
IPC: B23K35/36
Filed: 1970-07-14
Abstract: 1,262,403. Soft solder flux. METALLGESELLSCHAFT A.G. July 14, 1970 [July 15, 1969], No.34201/70. Heading C7M. A soft solder flux comprises a resin base and an activator consisting of a hydrohalide of at least one organic amine of the general formula The resin is preferably colophony and the hydrohalide is preferably the hydrochloride, present in an amount equivalent to 0À2-1À5% halogen. Suitable X substituents are acetonitrile and propionitrile, methyl or ethyl acetate or propionate. Suitable Z substituents may be dialkyl ether groups such as diethyl ether groups. The substituted amines may be morpholine-N-acetonitrile or morphreline-N- methyl acetate. The flux is preferably used as a core in an Sn-Pb wire solder.
Patent GB-1398973-A (GB)
Title: Drill chucks
IPC: B23B31/12
Filed: 1971-07-21
Abstract: 1398973 Chucks JACOBS MFG CO Ltd 11 July 1972 [21 July 1971] 34254/71 Heading B3B A drill chuck comprises a body part 10 in which jaws 16 are slidably mounted in respective guides 14, a nut 20 rotatably mounted in a groove 18 in the body and having a tapered screw thread engagement with the jaws, and a driving sleeve 34 non-rtatably connected to said nut 20 and including means 30, 32 whereby the chuck can be secured to a power tool driving spindle, the arrangement being such that torque applied to the chuck from the power tool spindle tends to rotate the nut relative to the body to tighten the jaws on a drill shank. The nut 20 is formed in two halves and held in the groove 18 by driving sleeve 34. A gear element 24 for a chuck key may be formed separately or integrally with the nut 20. The spindle securing means 30, 32 may comprise an adaptor 30, or internal or external threads 32 formed on a spigot part of the driving sleeve 34. A steel ball 38 takes axial thrust, and provides a self centring action. The sleeve 34 may be a metal pressing with strengthening corrugations formed therein, or may be made from plastics material with a metal reinforcing band around the nut 20 or gear element 24, to which it may be attached by an adhesive.
Patent GB-819159-A (GB)
Title: Improvements in or relating to endless track vehicles
IPC: B62D55/24
Filed: 1957-11-04
Abstract: 819,159. Endless tracks for vehicles. GENERAL MOTORS CORPORATION. Nov. 4, 1957 [Nov. 9, 1956], No. 34277/57. Class 79(1) A continuously flexible endless track for a vehicle comprises two or more parallel longitudinally extending flexible belts 8, Fig. 2, interconnected by transverse rigid shoes 10 interspaced by resilient strips 28 which aid in compacting the surface over which the vehicle travels. The shoes 10, Fig. 6, are attached to the belts 8 by rivets 16 and may be U-shaped in cross section with resilient ground engaging pads 26 located between the flanges 24. The strips 28 are attached by rivets 30 and are preferably made of rubber. reinforced with fabric or nylon cord. In operation the strips 28 are flexed in passing over the idler or support wheels, enabling material trapped between the belt and wheels to escape.
Patent GB-1261411-A (GB)
Title: Apparatus for removing solid particles from combustion exhaust gases
IPC: F23G5/18
Filed: 1969-07-08
Abstract: 1,261,411. Removing particles from smoke. WASTE COMBUSTION CORP. 8 July, 1969 [9 July, 1968], No. 34326/69. Heading BIT. [Also in Division F4] Waste gases from the combustion chamber of an incinerator 12 flow through an upright passage 118 to an inclined conduit 122 which extends through an upright partition 110 dividing a cylindrical casing 106 forming the fly-ash collector. Combustible matter in the gases is burnt by the flame from a burner 132 at the closed end of conduit 122, or as the gases issue from the conduit with air preheated in a passage formed by a partition 126 within the conduit. The outlet pipe 116 leading to stack 114 projects into the part of the casing on the other side of partition 110 from the outlet of conduit 122, and extends below the top of the partition, as the reversal of the direction of flow of the gases passing from the conduit to the stack deposits the fly-ash.
Patent GB-814303-A (GB)
Title: Improvements in or relating to loudspeaker mounting arrangements
IPC: H04R1/02
Filed: 1955-12-01
Abstract: 814,303. Loud-speakers. COLE Ltd., E. K., and HUTCHINGS, E. L. Dec. 3, 1956 [Dec. 1, 1955], No. 34382/55. Class 40 (4). A loud-speaker C is mounted against a single aperture B in a panel A, the other surface of which is covered by decorative fabric D, and a protective grill E which presents negligible obstruction to sound waves and has a multiplicity of projections K is positioned between the loud-speaker and the fabric with the projection peaks L located close to the fabric, the protective grill projections preventing fabric vibration as a result of normal operation of the loud-speaker. The grill may comprise a number of parallel corrugated brass wires H which are soldered or brazed at right-angles to straight wires J, as shown. In the case of small loudspeakers a single stout corrugated wire or strip will suffice. The grill may alternatively be made from sheet metal having the projections formed by pressed-out tongues. Other arrange-_ ments comprise making the grill of moulded plastic or from corrugated expanded metal.
Patent GB-336467-A (GB)
Title: Printing device
IPC: B41L47/46
Filed: 1929-11-11
Abstract: 336,467. Farrington Manufacturing Co., and Farrington, H. J. Nov. 11, 1929. Printing processes; cylinder machines; printing-surfaces. - In machines for printing customers' names and addresses on sales slips or the like, of the kind comprising a printing- plate holder and pressure and ink members, the pressure member presses the ink member into contact with a slip placed on a printing- plate having non-reversed types. The printing- plate is carried by and identifies the customer, and since inking of the printing-plate is avoided, the. customer is enabled to carry it without soiling the hands or purse. The machine shown in Figs. 1 and 7 comprises a printing-plate, holder 12 supported by a block 13 on a base 11 and carrying a hinged casing 14 containing ink-ribbon mechanism, described below, and an impression roller 28, the ink ribbon 29 passing across the bottom of the casing. The holder 12 is provided with a recess 17 for receiving a printing-plate 18, which has non-reversed types on the top and may be formed with a depression 20 and lugs for receiving a card bearing identification data. A bandlever 16 operates a spring plunger 30 having a cam 32 engaging a roller 33 on a pivoted yoke 36 having slots engaging the impression-roller shaft 38 which is guided horizontally by slotted plates 43, forming part of a frame 44. In operation, the casing is swung backwards into contact with a buffer 24 by means of the hand-lever, a printing-plate is placed in the recess 17, one or more slips and carbons are placed on the printing- plate, the casing is returned, and by further movement of the hand-lever the impression roller is traversed to effect printing on the slips. When a sales book is employed it is placed between the base 11 and holder 12 and is positioned by the' block 13, the required leaves being placed above the printing-plate. Ink-ribbon mechanism.-The ribbon 29, Figs. 1 and 7, is wound on spools 40, 41 and is directed across the bottom of the casing 14 by flanged guides 42 on the frame 44. The spools are mounted on pins 52, 53 on the casing and have flanges provided with lugs 76 for engaging pins on ratchet-wheels 50, 51 mounted on the pins. Washers mounted on the pins are pressed against tha ratchet-wheels by springs 70 secured to the frame 44. The ratchet-wheels co-operate alternately with pawls 48, 49 on a rocker 46 pivoted on the plunger 30. The rocker is automatically thrown over to reverse the feed by engagement of the coiled ribbon on the spools with faces 55, 56 on the rocker. A spring pin on the plunger co-operates with recesses 47 to retain the rocker in either position. To render positive the movement of the rocker, the core 59 of each spool is formed with an enlargement 60, Fig. 7, arranged to form a protuberance on the coiled ribbon. The cores are formed with prongs for attaching the ink ribbon.
Patent GB-467153-A (GB)
Title: Improvements in or relating to cockpit covers for use on aircraft, motor boats and ships and in similar positions
IPC: B64C1/14
Filed: 1935-12-07
Abstract: 467,153. Cockpit covers. FAIREY AVIATION CO., Ltd., LOBELLE, M. J. O., and VOSS, E. Dec. 7, 1935, No. 34442/36. Divided application. [Class 4] Relates to a cockpit cover 34 for use on aircraft and motor boats which in closed position constitutes a continuation of the surrounding part of the craft and in open position forms a wind shield. According to the invention, the cover is supported and moved on two pairs of links 35, 36 of unequal lengths mounted on fixed pivots 37, 38, and the cover is loaded by a spring 39 engaging an arcuate fitting 41 on the links 35 to assist in raising it against the wind pressure. A double-acting dash-pot 43 is mounted between a fixed pivot 44 and the links 36 to prevent shock when closing the cover during flight or on opening it when the craft is at rest. For locking the cover in the open and closed positions, a double hook 46 engages respectively with pins 53, 52 when moved by a handle 48 and link 50.
Patent GB-486736-A (GB)
Title: Improvements in or relating to machines for making sliding clasp fasteners
IPC: A44B19/46
Filed: 1937-12-13
Abstract: 486,736. Sliding - clasp fastenings. TENNANT, W. J. (Metallbesatz Ges.) Dec. 13, 1937, No. 34508. [Class 44] In a machine for feeding and clamping the fastener elements 3 of a sliding-clasp fastener on to the tape the elements piled one over the other are fed down a guide rail 1 having a thickened edge 2 with the elements engaging by their legs behind such thickened edge. The lowermost element drops on to a sliding head which transfers the element to the tape 14 and clamps it thereon by means of two swinging arms 16; these arms are linked to a cross-piece 17 which is arrested when the element straddles the tape whereas the main body of the slide, on which the arms 16 are pivoted, continues forward and so effects an angular movement of the arms 16 which causes their end faces to approach each other. The crosspiece 17 has a plate 21 on which the fastener element is carried. The column of elements on the guide rail 1 is held up by a presserrod mechanism 4, 41 bearing on the lowermost element.