baber/WOPTO huggingface dataset:
Patent GB-2460368-A (GB)
Title: Apparatus and method for cutting lawns using lasers
Inventor: IDE RICHARD J
IPC: A01D34/01
Filed: 2008-03-28
Abstract: The laser lawn cutting system of the present invention consists of an array or grid of laser heads distributed across a lawn. The laser heads may be permanently fixed above the surface of the lawn, or preferably mounted underneath the surface of the lawn and designed to pop up at the time of cutting. If mounted underneath the surface of the lawn, solenoids may be used to move the laser heads above the surface. Other mechanical devices could also be used to cause the laser heads to move above the surface of the lawn. Preferably, the laser heads will be distributed across the lawn in a grid or matrix, such that the laser light generated by the rotating laser head sweeps across the lawn in overlapping arcs to cut the vegetation. The system may also be used to melt snow or kill insects.
Patent GB-864951-A (GB)
Title: A device for displaying zip fasteners
IPC: G09F5/00
Filed: 1958-03-28
Abstract: 864,951. Packages. RUHRMANN, J., [trading as RUHRMANN, J. [Firm of]]. March 28, 1958 [April 6, 1957], No. 10015/58. Class 94(1). A device for displaying zip fasteners 5 comprises a flat card 1 formed with one or more longitudinally embossed grooves 2 therein and pairs of flaps 4 formed by incisions 3 on each side of each groove 2, the flaps being adapted to overlap tapes on the sides of the zip fasteners. The card has one or more additional flaps formed by incisions 31 to accommodate zip fastener tapes of different widths. The embossed grooves 2 allow the card 1 to be folded back in a manner permitting the zip fasteners 5 to be pushed under the flaps 4 without excessive bending of the flaps.
Patent GB-218750-A (GB)
Title: Synthetic mineral asphalt and method of manufacturing the same
IPC: C04B26/26
Filed: 1923-04-13
Abstract: 218,750. Saunders, A. G. April, 13, 1923. Asphalts.-An artificial asphalt consists of finely-divided calcium carbonate a bituminous or tar base, and either resin, or thin mineral oil, or both. The resin is used in proportions of the order of 10 per cent of the binder. The preferred binder consists of bitumen, resin, and Stockholm tar, with or without crude mineral oil. The Specification contains several examples of compositions, of which the following is typical: 117.6 lb. resin, 39.2 lb. Stockholm tar, 78.4 lb. bitumen and 9.8 lb. crude oil are melted together with the addition of 35 lb. kerosene and incorporated with a mixture of 2223 lb. calcium carbonate and 17 lb. oxide of iron for colouring purposes.
Patent GB-859097-A (GB)
Title: Apparatus for effecting an exchange of heat and/or material between a gas or vapour and a liquid
IPC: B01D47/16
Filed: 1958-03-31
Abstract: 859,097. Contacting gases with liquids. PILO, C. W. March 31, 1958 [May 23, 1957], No. 10198/58. Class 55 (2). [Also in Group XIII] Apparatus for heat exchange by direct contact between a gas and a liquid comprises a rotatable member 15 in a gas-tight housing 10, plates 21 rigidly fixed to the rotatable member to form portions of spirals in plan view and to form passageways of constant width throughout their length through which the gas passes, and sprays 14 to distribute the liquid over the plates. The gas is drawn in through inlets 11 by the rotary action of the member 15 which is sealed at 18 to the housing so that the gas is constrained to traverse the passageways between the plates in counter flow to the water passing over them and then through outlet 12. The sprays may be rotated and a water drain 16 is provided. The plates may have projections 22 or may be perforated.
Patent GB-128284-A (GB)
Title: Improvements in Carburetters for Internal-combustion Engines.
Inventor: PULLIN CYRIL GEORGE
IPC: F02M7/24
Filed: 1917-07-16
Abstract: 128,284. Pullin, C. G. July 16, 1917. Spray carburettors.-The suction at the nozzle outlet and the consequent flow of fuel are caused to vary inversely as the speed of the air current past the nozzle bv introducing a zone K of relatively high pressure air into the rarified zone R normally produced at the outlet by the engine suction. To effect this, the nozzle is provided with a flanged head E having inclined air passages j leading to a recess above the outlet, in which recess slides a boss on a flanged cap 0, the upward movement of which is limited by clips Q. The nozzle opens into a variable air passage formed by a pair of grooved barrels A, B, and may be controlled by a needle valve N adjustable, either independently or in conjunction with the barrels. The flange E collects air in the spaces L, which air serves the double purpose of supplying high-pressure air through the passages j, and of producing a streamline flow past the head of the nozzle. In the closed position of the barrels, the cap 0 is forced down and closes the air passages j, the admission of air through which, when open, facilitates - atomization of the fuel.
Patent GB-857679-A (GB)
Title: Improvements relating to electrical connections between relatively rotating electrical conductors
Inventor: KENYON HAROLD FREDERICK
IPC: H01R39/64
Filed: 1958-03-31
Abstract: 857,679. Supplying current to rotating conductors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. March 24, 1959 [March 31, 1958], No. 10286/58. Class 38(1) In an electrical connection between relatively rotating inner and outer conductors 1, 2 comprising an annular liquid metal filled space 5 together with a mechanical bearing constituted by sleeves 6, 7 for the rotating member, the bearing surface has a circumferential inlet channel 8 for lubricant at a position axially adjacent the annulus 5 and a circumferential outlet channel 9 axially remote from the annulus. Inlet supply ducts 11 and outlet drainage ducts 12 are provided. The channels 8 and 9 may be formed only in the outer sleeve 7, or in the inner sleeve 6 or in both sleeves. The liquid metal may comprise mercury or gallium. Specification 777,335 is referred to.
Patent GB-1462543-A (GB)
Title: Motor vehicle trailer over-run braking mechanism
IPC: B60T7/20
Filed: 1975-03-13
Abstract: 1462543 Over-run brakes HAHN FAHRZEUGBAU GmbH 13 March 1975 [4 April 1974] 10441/75 Heading F2E In an over-run braking arrangement, the hand-brake lever can move the brake linkage by a greater amount than the service brake lever. As shown in Fig. 2, the latter lever 5 is actuated by draw-bar 4 on over-run, is freely pivoted on spindle 13 and engages a first stop 17 on the end connection 21 of a brake linkage 7. The hand brake lever (not shown) and two operating members 12 (one on each side of lever 5) are fixed to spindle 13 members 12 having slots 25 which can engage further stops 18 on connection 21; the stops 18 are further from spindle 13 than is stop 17. The above arrangement is used in association with a drum brake of the sort in which operation of the service brake while reversing produces no braking action but the greater force applied by the hand brake ensures braking irrespective of the direction of vehicular movement. As shown in Fig. 5 the primary and secondary shoes 26, 27 of the brake are supported on piston 40 and pivoted cam plate 32 respectively. The forces imposed on primary shoe 26 during braking of forward movement are transmitted through piston 40, spring assembly 42 and piston 41 to cam plate 38 which pivots into contact with abutment 39 so that secondary shoe 27 has a fixed support. During reversing, application of the service brake merely causes shoe 27 to pivot cam plate 32 anticlockwise and no effective braking results. Application of the handbrake however causes this rotation to continue to the point at which shoe 27 is in two point contact with the plate, as shown, and the abutment is once again fixed.
Patent GB-870204-A (GB)
Title: Improvements in or relating to gas turbine power plant
Inventor: PERRY FORBES GEORGE DE BRIE
IPC: F02C9/28
Filed: 1956-04-05
Abstract: 870,204. Change-speed control. PERBURY ENGINEERING Ltd. July 3, 1957 [April 5, 1956], No. 10490/56. Class 80 (2). [Also in Group XXXV] A turbine 13 of a gas turbine power plant 10 ... 13 drives a load 16, e.g. the wheels of a vehicle, through a steplessly variable-ratio friction gear 17, of the torus disc and tilting roller (e.g. Hayes) type the shift control 21 of which is connected by cam, servo or other linkage 23 to the fuel control 20 of the gas turbine, whereby the latter operates in a smaller speed range and can therefore be designed for a higher efficiency. The gear may be automatically controlled in response to the speed of the turbine, which may thus run at a speed giving maximum efficiency. The gear may provide forward and reverse ratios, and where the power plant has only a single turbine instead of the separate compressor- and load-driving turbines 12, 13 shown, the gear ratio extends to zero output speed to permit idling. The gas-producing compressor 10 may be of the centrifugal or axial rotary type or of the reciprocating type, and a heat exchanger may be provided. According to the Provisional Specification the variable gear may alternatively be of the Beier, Kopp or Sundstrand (Registered Trade Mark) type or be a Ward-Leonard electric transmission.
Patent GB-542694-A (GB)
Title: Improvements in or relating to extrusion apparatus
IPC: B29C48/475
Filed: 1940-06-18
Abstract: 542,694. Piston extrusion apparatus. STANDARD TELEPHONES & CABLES, Ltd., and LEE, E. C. June 18, 1940, No. 10546. [Class 102 (ii)] Piston extrusion apparatus comprises an extrusion cylinder 8 to receive a close-fitting cartridge of plastic material and containing a piston 16 which is rigidly connected by a rod 15 to the piston 17 of a co-axial hydraulic cylinder 12. The cylinders 8, 12 are connected together by a bayonet catch or other quick locking and releasing device 13. The cartridge comprises a tube 1 which is closed at one end by a disc 2 the sweated or soldered joint of which is sheared through when hydraulic pressure is applied to the pistons 16, 17, the disc 2 and piston 16 entering the tube 1 to force the plastic material out through a conical nipple 4 in the centre of a disc 3 hard soldered to the opposite end of the tube. The nipple 4 is received in a counter sunk aperture in the cap 9 of the extrusion cylinder 8. The hydraulic cylinder 12 is provided with a leakage orifice 22 to indicate the end of the piston stroke. Specification 540,300, [Group XXXVI], is referred to.
Patent GB-768766-A (GB)
Title: Improvements in centrifugal strainer separators
IPC: B04B11/08
Filed: 1955-04-12
Abstract: 768,766. Centrifugal strainers. WESTERN STATES MACHINE CO. April 12, 1955 [April 9, 1954], No. 10563/55. Class 46. In a centrifugal strainer separator having a rotary basket 2 with a valved outlet 4a in its bottom for discharging treated solids, and a discharge shoe 11 movable radially into and out of its operative position and axially while functioning, a safety device prevents movement of the shoe into its operative position while the outlet is closed and also prevents closure of the outlet while the shoe is in its operative position. A scraper 11 mounted on a shaft adapted to be moved up and down by compressed air acting in a cylinder 20 is moved radially outwards into its operative position by mounting the scraper and its actuating mechanism on a spring pressed bracket 14 adapted to be turned by fluid pressure about a vertical stud from an inoperative to an operative position. A line 40 connects the bracket 14 to a plate 37 pivoting about a pin 38, Fig. 3, but prevented from moving, when the discharge valve 10 is closed by a vertically moveable rod 34. This rod is carried by the lever 23 which, on downward motion of an actuating rod 31, lifts and tilts the valve to open the discharge aperture, this downward motion moving the rod 34 out of the way of the plate 37 to permit the bracket 14 to turn and move the scraper into its operative position. The plate 37 then prevents return movement of the rod 34 and lever 23. The rod 34 also carries an arm which actuates a limit switch 47 adapted to control the driving motor of the basket 2 to reverse the direction of rotation of the basket and reduce its speed during the discharge operation. Specification 688,707, [Group XXXVII], is referred to.
Patent GB-485324-A (GB)
Title: Method and apparatus for forming aircraft flotation members from fuel tanks
IPC: B64D37/26
Filed: 1937-04-14
Abstract: 485,324. Aircraft fuel-jettisoning apparatus. KIDDE & CO., Inc., W. April 14, 1937, No. 10586. Convention date, April 15, 1936. [Class 4] Fuel is rapidly evacuated from an aircraft fuel tank, to permit use of the tank as a flotation member, by fluid pressure which is used first to open the fuel discharge port then to close the usual tank air vent and finally is introduced into the tank to force the fuel therefrom. The fuel discharge port at the base of the tank is normally closed by a valve 141, Fig. 6, and a frangible disc 153. To evacuate the fuel gas is supplied from a cylinder to ports 197, 199, fractures a frangible disc 167 and then the disc 153, allowing gas to escape on the left side of a piston 177 which is thereupon forced to the left by the gas supplied by the port 197, thus closing the port 199 and opening a valve 195 and allowing gas to be supplied by port 191 and piping to a valve 19, Fig. 2, at the top of the tank. The gas enters by a port 35 and drives a piston valve 89, 97 to the left which closes the normal vent opening 69: the gas then passes a check valve 54 into the tank and drives the fuel past the valve 141. A link 115 connected at one end to the rod of piston 89, 97 and the other end of which moves in slots 109 against a spring maintains the piston in either of its end positions.
Patent GB-896963-A (GB)
Title: Improvements relating to electrolytic cells
Inventor: WOOD ARTHUR CLAUDE
IPC: C25B11/10
Filed: 1959-03-26
Abstract: 896,963. Electrolytic cells. IMPERIAL CHEMICAL INDUSTRIES Ltd. March 18, 1960 [March 26, 1959; June 3, 1959], Nos. 10601/59 and 18938/59. Class 41. An electrolytic cell, e.g. one employing a mercury cathode, has one or more elongate current distributers 3, 4 which traverse the cell and to which a titanium or similar metal or alloy electrode 2 or electrode sections are secured, the or each distributer comprising a sheath 3 of titanium or similar metal or alloy and a core 4 in electrical contact therewith of a metal, e.g. Cu or Al, having a lower electrical resistivity than titanium or the similar metal or alloy. Titanium or similar metal or alloy means Ti, Nb, Ta and Ti base alloys with Ta and/or Nb. The electrodes 2 comprise spaced horizontal mesh sections electroplated with Pt or Rh, and are welded to the distributers along two parallel edges, the distributers being welded to a cover 5 of titanium or similar metal or alloy and having their ends projecting therethrough. In a modification, U-shaped distributers of rectangular cross-section are employed, the arms projecting vertically through the cover. Specification 877,901 is referred to.
Patent GB-315289-A (GB)
Title: A machine for printing addresses or other matter on forms or the like
IPC: B41L45/02
Filed: 1928-04-10
Abstract: 315,289. Krell, J. April 10, 1928. Addressing and like machines; platen machines.-A machine for printing addresses &c. on telegraph or other forms comprises a rocking arm 105, Fig. 1, carrying an exchangeable, sheetmetal printing-plate 118 adapted to print through an ink-ribbon 31 mounted on the arm together with mechanism for feeding the ribbon across the plate. As shown, the longitudinal edges of the plate engage grooves formed between the curved edges of two side brackets 115<11> and the sides of a pad 115, which is shaped to support the plate. On the up stroke of the arm 105 after printing, the bevelled end of a rod 23, Fig. 5, engages the end of a bar 119 mounted on the pad 115, so that the bar is moved outwardly, and, by engaging a projection 122 on the plate 118, ejects the plate into a position where it can be grasped and removed; when a handle 47 is provided below, this ejecting-device may be dispensed with. The arm 105 is rocked about a pivot 104 by hand or by means of a treadleactuated rod 109 pivoted at 112 and slotted to engage a pin 111 on a bell-crank 108 connected by a link 107 to an extension 106 of the arm 105. The form is laid on a rubber pad 102 held in a metal frame 103 screwed to the machine table 101. The ink-ribbon 31, Figs. 1 and 6, is wound on spools 29, 30 mounted on shafts 27, 28, engaging at one end in bearings in the arm 105 and at the other end in a plate 33 fixed by a screw 32 to the arm so that the plate may be removed together with the spools. The ribbon is fed forward intermittently by means of pawls 62, 63 alternatively engaging ratchets 34, 35, the feed being reversed each time a spool empties. The pawls 62, 63 are attached to an arm 40 connected by a rod 60 to a pivot 24 on a fixed bracket 25, so that when the arm 105 is rocked the arm 40 swings about a pivot 38 and the pawl in action advances the take-up spool. The feed reversal is effected by means of pawls 65, 66 pivoted on a plate 64 mounted on the pivot 38. When a spool empties the corresponding pawl 65 or 66 drops into a slot 81 or 92 in the spool and is moved longitudinally by the spool, thus causing the plate 64 to rotate and carry with it aT-shaped plate 67, one branch, say the branch 70, being raised to lift the pawl 63 out of action, while the branch 69 releases the pawl 62, which drops by gravity into engagement. The plate 67 has a V-end 67<1>, which, as the plate rocks over one way or the other, engages a roller 71 on an arm 72, which is swung about a pivot 73 against the action of a spring 75 until the point passes the roller, the return of the arm 72 ensuring the complete movement of the plate 67. Printing-surfaces.-At one end of the printing- plate strips 19, 20, Fig. 12, bent alternately up and down, provide a resilient guide so that an index plate 21 can be clipped thereon. The plate 21 may have a handle 47, Fig. 11, stiffened by means of corrugations.
Patent GB-513335-A (GB)
Title: Improvements in or relating to control valves for fluid pressure brakes of trains
IPC: B60T13/36
Filed: 1938-04-07
Abstract: 513,335. Fluid-pressure brakes. BOSCH GES., R. (formerly BOSCH AKT.-GES., R.). April 7, 1938, No. 10607. Convention date, April 7, 1937. [Class 103 (i)] A brake control valve more particularly for a trailer brake controlled by the train pipe .2 from the tractor and by the pressures in the trailer auxiliary reservoir 3 and trailer brake cylinder 4 comprises two cup-shaped parts 5, 6 the rims of which face each other and the interiors of which are Separated by an intermediate wall 7 and which parts form cylinders for control pistons 8, 9 connected rigidly by a member 13 passing through the intermediate wall. The auxiliary reservoir 3 is charged by the pipe 2 past a packing sleeve 16 for the rod 13. When the pressure in the pipe 2 is diminished the pistons fall and a valve 21 is raised from a seat 24 on the valve casing to connect the reservoir 3 to the brake cylinder 4 until brake cylinder pressure has increased sufficiently to return the pistons to lap position. A graduated brake application is thus obtained and similarly a graduated release may be obtained by raising the pressure in the pipe 2, which raises the pistons and raises the hollow stem 13 from the valve 21, thus connecting the brake cylinder to atmosphere through a filter 11.
Patent GB-1343456-A (GB)
Title: Process for the removal of sulphur trioxide from gases
IPC: B01D53/02
Filed: 1971-04-22
Abstract: 1343456 Removing SO 3  from gases; Al 2 O 3  plates; alumina ceramics SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 22 April 1971 [24 April 1970] 10746/71 Headings C1A and C1J SO 3  is removed from gases by contacting the gases with a solid inorganic oxide which reacts chemically with SO 3 , and the oxide is then regenerated with H 2 S. The oxide may be #, α, or γ-Al 2 O 3 , or MgO, and may contain up to 10% alkali metal or alkaline earth metal oxide. The absorption may be carried out at 250-625‹ C. and the regeneration at within 50‹ C. of this temperature, e.g. 200-550‹ C. SO 2 -containing gases, e.g. kue gases and Claus off-gases, are first oxidized to SOt using a catalyst, e.g. of K 2 O and V 2 O 5  on SiO 2 . The oxidation may be effected in an apparatus comprising parallel gas channels with gauze walls, separated by catalyst zones. The absorption apparatus may comprise a plurality of parallel plates of the oxide with gas channels between them. After absorption the gases may be contacted with Cu and/or Cu oxide on an Al 2 O 3  support to remove residual SO 3 . The gases from the regeneration (SO 2 H 2 S and S vapour) may be fed to a Claus plant. γ-Al 2 O 3  plates may be made by calcining Al 2 O 3  or hydrated Al 2 O 3  at above 780‹ C., e.g. 800-1100‹ C., mixing with a binding agent, with or without water, powdered glass, and a pore-forming agent, compressing, optionally drying at 200‹ C. or below, and heating at above 780‹ C. The binding agent may be kaolioite, attapulgite, bentonite, halloysite, or montmorillonite and may be used in amounts of 0À1-0À5 pts. per pt. Al 2 O 3 . The glass may be soda-lime, lead or borosilicate glass, and may be present in amounts of up 10% in the plates. The poreforming agent may be polypropylene, polypivalolactone, flour, wood chips, paraffin wax, sugar, persalts, or peroxides.
Patent GB-585953-A (GB)
Title: Improvements in or relating to presses for racquets and other articles
IPC: A63B60/44
Filed: 1944-06-05
Abstract: 585,953. Garment 'presses. SLAZENGERS, Ltd., and BRIGGS, C. B. June 5, 1944, No. 10766. [class 141] [Also in Group XV] In a garment press, the two press plates 1, 1a, are clamped upon the garment by a number of levers 10 each pivoted at 14 to the plate 1a, and at 11 to a stud 3 carried by the plate 1, the plate 1a sliding on the free ends of the studs. Springs 2 on the studs bear directly on the plates. The free ends 19 of the levers 10 bear against a single cam member 22 pivoted at 15 to a pivoted hand lever 7 by which the cam member is reciprocated. Each stud. 3 is screwed into a nut 4 carried by the plate 1, so that the initial distance between the plates can be adjusted by rotating the nut.
Patent GB-1262663-A (GB)
Title: Transversely corrugated plastics tube and the manufacture of such
IPC: B29C65/00
Filed: 1969-02-28
Abstract: 1,262,663. Moulding corrugated tubes. WAVIN N.V. 28 Feb., 1969 [8 March, 1968], No. 10786/69. Heading B5A. [Also in Divisions B6 and F2] A plastics, e.g. P.V.C., tube 7 having an exterior profile of diametrical or helically extending grooves and an ungrooved interior profile, is moulded from an extruded tubular profile by the pressing thereof into a corrugated profile into contact with a mould 1, whereafter the corrugations extending into the tube 7 are deformed in the direction of the tube axis into contact with, and preferably welded to, the walls of adjacent corrugations. Corrugations are formed by extruding the tube 7 into a first mould, Fig. 1, e.g. defined by two or more moving endless bands of co-operating segments 1, against the corrugated profile whereof the tube 7 is pressed. The corrugated tube 7 is then engaged by a second mould, Fig. 3, e.g. defined by two or more moving endless bands of cooperating segments, defining a corrugated profile wherein the mould corrugation crests extend outwardly of the tube to the same diameter as, but inwardly of the tube to a greater diameter than, the diameters D and d of the corresponding corrugations of the first mould 1, whereby the inwardly extending corrugations are deformed into contact with the walls of adjacent corrugations on passing over a heated mandrel 12. The second mould may also be heated.