baber/WOPTO huggingface dataset:
Patent GB-603264-A (GB)
Title: Improvements in flame chopping of crops
IPC: A01M15/00
Filed: 1945-11-21
Abstract: 603,264. Weeding by flames. McLEMORE. P. C., and KNUDSEN, V. Nov. 21,1945, No. 31371. Convention date, Nov. 27, 1944. [Class 6(ii)] A portable flame chopping apparatus comprises a supporting frame member including a draft tongue or beam pivotally attached at its inner end to said vehicle and having ground engaging means at its outer end, a burner on the frame and so disposed to project flames against the plants and fixedly mounted relative to said ground engaging means whereby the burner follows the contour of the ground and shielding means disposed adjacent the burner and adapted intermittently to shield the plants at spaced points along the plant row from the burner fames. In the construction shown, the beam 31 extends rearwardly from a pivot point 32 on the tractor and carries near its rear end a transverse shaft 34 upon which are mounted the shielding wheels 43<SP>1</SP> and burners 41<SP>1</SP>. The shielding wheels have rigidly mounted thereon a plurality of metal boxes 46<SP>1</SP> open at both ends, so that as the apparatus moves along a row of plants, said boxes will isolate the plants from the flames of the burners. A pair of burners is situated on each side of each wheel, and the wheels and burners are adjustably mounted on the axle shaft 34 by clamping means to accommodate variations in row widths. The burners are of the high pressure atomising type, the fuel passes through a central pipe 65 while the compressed air passes through the annular space between this pipe and an outer one 55. The outer pipe stops short of the top of the inner, and both are independently connected to their respective reservoirs by flexible hoses 67, 74 provided with regulating valves. To raise the flame chopping apparatus to an inoperative position a power lift mechanism is provided comprising a jack frame 85 attached by a pair of bars 86 and a pair of struts 87 to the tractor frame. A lifting beam 92, pivoted on a bolt 91 carried by brackets 89 in the centre of a cross bar 88 between the pair of bars 86, is pivotally connected by a chain 93 to a power lift cylinder 96 which is actuated from the compressed air reservoir through a control valve 103. A transverse bar 115 on the lifting beam 92 is provided with steel cables 116 which are secured to clamps on the shaft 34. For maintaining the apparatus in the inoperative position for long periods a chain 118 is provided. In a modification of the shielding means, Fig. 5, not shown, a series of deflecting baffles is provided in lieu of the boxes 461; these are on one side of the wheel only and therefore only one burner is used with each wheel. Two such wheels may be joined together if two burners are used.
Patent GB-1511055-A (GB)
Title: Method and apparatus for operating a turbo-charged internal combustion engine
IPC: F02B37/20
Filed: 1975-07-28
Abstract: 1511055 Supercharging IC engines MOTOREN-UND TURBINEN-UNION FRIEDRICHSHAFEN GmbH 28 July 1975 [8 Aug 1974] 31467/75 Heading F1B An I.C. engine 11 is provided with an exhaust gas turbine driven supercharger 12 and a combustion chamber 15 which augments the supply of exhaust gas to the turbine 13, the arrangement being such that when the engine is idling the combustion chamber is operated to produce a gas flowrate which ensures that the supercharger 12 provides an elevated air-pressure in the engine intake manifold and when the engine speed is increased the gas flow-rate from the combustion chamber 15 is increased. When the engine speed increases further, the gas flow-rate from the combustion chamber 15 rises to a maximum and is then reduced. The pressure downstream of the supercharger 12 is transmitted by pipes 20, 34 and a solenoid valve 32 to an actuating cylinder 24 which causes a flap 31 and a cam 29 to rotate to vary the air and fuel flow respectively to the combustion chamber 15, the rotation being through about 180 degrees as the piston of cylinder 24 executes a full stroke. A switch 41 enables an operator to select operation of the engine with or without assistance from the combustion chamber 15. Closure of switch 41 causes relay switch 43 to close, so that solenoid valves 32, 35 are actuated to close pipe 34 and allow fuel to be supplied from pump 36 to an injector 38. An ignition device 44 and a time switch 51 are also actuated as is a monitoring device consisting of a relay 46 with change-over switch 47 and green and red lights 48, 49. During the ignition period, the relay 46 is alternately energized and de-energized by a flasher unit 50 so that lights 48, 49 flash alternately. If ignition of the combustion chamber is not detected by a flame monitor 45 within a time set by the time switch 51, relay 46 is without current and red light 49 is on. If flame monitor 45 does detect operation of the combustion chamber within the set time, flasher unit 50 is by-passed and the relay 46 is energized so that green light 48 is on. For starting, if the air-pressure in the intake manifold 19 is too low, the supercharger 12 may be brought to a higher speed by accelerating the I.C. engine. An electrically driven blower 52 may be provided in addition, controlled by a switch 53 which responds to the supercharger air-pressure and cuts off blower 52 when a predetermined pressure is reached. An electric drive may be provided to fully open flap 31 during the starting procedure.
Patent GB-625809-A (GB)
Title: Improvements in and relating to a cam lapping machine
IPC: B24B19/12
Filed: 1945-11-22
Abstract: 625,809. Lapping cams. NORTON CO. Nov. 22, 1945, No. 31484. Convention date, Jan. 27. [Class 60] A cam finishing machine in which a work supporting arbor is rotatably supported between a headstock and a footstock on the base of the machine, said arbor supporting a master cam and a cam to be finished in side by side relation, finishing means engaging said cam to be finished being mounted upon a finishing arm movably mounted on the base and in which means is provided for controlling the movement of said finishing means, such controlling means comprising a rotatable follower engaging said master cam, and mounted upon a follower arm movably mounted on said base and interconnected with said finishing arm to control the movement thereof, is characterized in that said finishing means comprises a flexible abrasive lapping element which passes about a support mounted on said finishing arm. The work 36 and the pattern 35 are mounted, in correct angular relationship, on an arbor 21 carried by centres in a headstock and footstock on a slide 11 mounted, by ball bearings 12, 13, for longitudinal movement on the machine base 10. The slide is reciprocated by means of a crank, driven by an electric motor through belt and pulleys and reduction gear, to produce a break-up motion between the work and the lapping element, i.e. to effect a constant change in the scratch pattern caused by the abrasive grains. The arbor 21 is rotated by an electric motor 26 through belt and pulleys. A pivoted arm 38 carries rollers 44, 45 around which passes an endless leather belt 43, one of the rollers being adjustable to tension the belt. An abrasive strip 50 passes over the roller 45, being continuously drawn from a roll 48, so as to present a fresh abrasive surface, by pinch rolls 51, 52 driven by an electric motor 55 through a reduction gear 56. A pivoted arm 60 carries a follower roller 61, the radius of which is preferably equal to that of the roller 45 plus the thickness of the belt 43 and of the abrasive strip 50. The arm 38 is acted upon by a spring 41. A pin 62 on the arm 38 is urged by a spring 65 carried by the arm 60 into contact with an adjustable screw 64 carried by the latter. A handle 70 is provided which through toggle links moves the arms 38, 60 into an inoperative position.
Patent GB-657144-A (GB)
Title: A new and improved construction of chain
IPC: F16G13/02
Filed: 1948-12-06
Abstract: 657,144. Driving-chains. MORGAN, R. K. Dec. 6, 1948, No. 31495. [Class 24] A driving-chain comprises a.plurality of wire links A, Fig. 4, connected together by sheet metal connectors B, Fig. 5, the assembly of the chain being effected as indicated in Fig. 3. Each link comprises a length of wire bent to substantially rectangular shape, the two ends being joined as by flash welding. Recesses 4 and 5 are formed on opposite sides of one arm 2 of the link, preferably by stamping operations. The connectors comprise two curved portions 6 joined by a flat portion 7 having opposite end extensions 8. The spaced edges 9 of the portions 6 are separated by a distance less than the thickness of the wire of the links, so that in assembling the chain it is necessary to turn the links to an upwardly extending position relative to the direction of the chain, whereupon the recess 4 or 5 may engage one edge 9 of the connector, and the link can then be slid sideways into the connector. With the links in the normal position, the end extensions 8 of the connectors limit pivotal movement in the reverse direction, thus preventing tangling of the chain, while the curved portions 6 serve to retain a lubricant such as grease within the connector.
Patent GB-743094-A (GB)
Title: Pressure regulator for compressors
IPC: F04D27/02
Filed: 1953-11-13
Abstract: 743,094. Reciprocating compressors. PISCHINGER, A. Nov. 13, 1953 [Nov. 18, 1952], No. 31496/53. Class 8(1). [Also in Group XXIX] In a compressor controlled by a stop valve 12 in the inlet which is held open by a spring 14 and closed by pressure acting on a piston 13 and the supply of pressure to the piston 13 is controlled by a valve 17, loaded by a spring 21, which controls a connection 20 to atmosphere and a connection 19 of smaller cross section to a pressure reservoir, the valve 17 is unsupported other than by the spring 21 which engages a recess 30 in the valve.
Patent GB-1047006-A (GB)
Title: Improvements in or relating to torsional vibration balancers for engines, particularly internal combustion engines
IPC: F16F15/14
Filed: 1964-08-04
Abstract: 1,047,006. Torsional vibration dampers. DAIMLER-BENZ A.G. Aug. 4, 1964 [Aug. 9, 1963], No. 31590/64. Heading F2S. A torsional vibration damper for internal combustion engine comprises a pressure-tight housing 2 in which are mounted an inertic mass 5 and a torsional-elastic element 7 in a viscous damping fluid, the mass being guided on bearing rings 13, 14. The torsional-elastic element is attached to two rings 8, 9 as by vulcanization, screws 6, 12 also being incorporated in the assembly whereby the element is attached to the inertic mass 5 and the casing. The element may be positioned between the axially extending peripheral portion of the mass and the casing. The element may comprise an elastomer of the group of co-polymers of vinylidene fluoride and hexafluoropropylene.
Patent GB-693311-A (GB)
Title: Production of soft rubber vulcanisates of high strength properties
IPC: C08K3/06
Filed: 1950-12-29
Abstract: In the production of soft vulcanized rubber from mixes containing rubber, sulphur, a vulcanization accelerator, and an active filler which ordinarily would impart high Defo hardness to the vulcanizates, the proportion of accelerator and/or sulphur is increased to 50 per cent. or more above the normal proportion. There are described tests on vulcanizates containing a carbon black which has been produced by decomposition of methane in an electric arc or a finely-divided silica which has been produced by pyrogenous reaction from a volatile silicon compound, as the active filler, and the reaction product of mercaptobenzothiazole and cyclohexylamine, or this product together with hexamethylene tetramine, as the accelerator.
Patent GB-198703-A (GB)
Title: Improvements in spring suspensions for motor vehicles
IPC: B60G11/02
Filed: 1921-11-26
Abstract: 198,703. Booth, J. Nov. 26, 1921. Springs, arrangement of; guiding vertical play. -A spring suspension for a motor vehicle comprises a longitudinally arranged semi-elliptic spring 4 having its central part connected to the vehicle frame 7 and its ends. connected to the axle 8 by links 10, and a torque or radius rod 11 pivoted to the frame and axle. Reference has been directed by the Comptroller to Specification 117,665.
Patent GB-1300439-A (GB)
Title: Hermetically sealed electrical connector
Inventor: ALESSANDRO F M D
IPC: H01J5/32
Filed: 1970-06-30
Abstract: 1300439 Two-part couplings BUNKERRAMO CORP 30 June 1970 [22 July 1969] 31706/70 Heading H2E [Also in Division C1] A hermetically sealed electrical connector capable of maintaining hermetic integrity in the range -55 to 225 C. comprises a hollow metal shell 12 of an aluminium alloy with an opening 24 therethrough into which is fused a glass insulator 26 with at least one electrical contact 28 passing therethrough and fused with the insulator; the contact 28 being of metal, such as copper, having a coefficient of thermal expansion matched to that of the glass insulator; the glass having a working point lower than the melting point of the metal shell and the metal shell having a coefficient of thermal expansion greater than that of the glass but not more than one and one-half times that of the glass. The aluminium alloy has a yield strength in the annealed condition of at least 15,000 pounds per square inch, preferably >21,000, has a coefficient of thermal expansion about 23 x 10<SP>-6</SP>/ C. The glass used has a coefficient of thermal expansion of 17 x 10<SP>-6</SP>/ C., the same as the copper contacts, which may have a coating of Ni, Rh or other oxidation resistant metal.
Patent GB-466165-A (GB)
Title: Improvements in or relating to vehicle steering gears
IPC: B62D3/06
Filed: 1935-11-15
Abstract: 466,165. Motor-vehicle steering-gear. BOUGHTON, E. B. Nov. 15, 1935, No. 31721. [Class 79 (v)] [Also in Groups XXIV, XXV, and XXXIV] The rocker shaft of the steering gear is mounted in rubber bushes or bearings. In the construction shown applied to screw-and-nut gearing the steering shaft 10 rocks about a selfaligning bearing at its upper end 14 and the screw 11 is engaged by a nut 15 pivoted at 16 to arms 17, 18 on the rocker shaft 19. Rubber bushes 20, 21, 22 are inserted between conical collars 23 on the shaft and tapered surfaces 25, 26, 27 on the gear casing 24. The rubber bushes may be of sufficient thickness to allow the full angular movement of the rocker shaft to take place without any slip. The casing 24 may be of pressed sheet-metal or may be a die casting, and may be provided with three rubber bushes as shown or with two. The shaft 10 may be exposed throughout the greater part of its length, as shown, the opening in the gear casing being covered by a flexible hood 50, or the shaft may be enclosed in a stationary column 12. The nut 15 preferably comprises a steel shell fitting loosely over the screw, the thread of the nut being formed by pouring readily-fusible bearing metal into the shell while it is in position on the screw. In order to be adjustable for wear the nut is formed in two parts 15a, 15b, pivoted respectively on the arms 17, 18 the arm 18 being fixed and the arm 17 loose on the shaft 19. Wear is taken up by means of a set screw 30, Fig. 3, acting between lugs 28, 29 on the arms. The self-aligning bearing at 14 comprises two rows of balls 32, 34, Fig. 5, bearing on reduced parts 36, 37 of the shaft 10, adjustment being effected by means of a screw cap 35.
Patent GB-1438735-A (GB)
Title: E-ring seal assembly
IPC: F16L23/02
Filed: 1974-07-18
Abstract: 1438735 Seals; pipe joints PRESSURE SCIENCE Inc 18 July 1974 [18 Oct 1973] 31784/74 Headings F2B and F2G A metallic sealing ring 10, formerly used with stepped flanges, is secured in a mounting plate (13) so that it can be used between flat flanges 18, 19. A split wire ring 16 locks the ring 10 in the plate. The ring 10 may be of stainless steel coated with Ag, Pb, Au or In. An elastomeric ring (25, Fig. 4, not shown) may extend from between the arms (11) of ring 10. An inner metallic ring (28) may be provided.
Patent GB-975219-A (GB)
Title: Ground effect machine
IPC: B60V1/00
Filed: 1963-08-13
Abstract: 975,219. Air cushion vehicles. BELL AEROSPACE CORPORATION. Aug. 13, 1963 [May 13, 1963], No. 31879/63. Heading B7K. An air cushion vehicle comprises a body having a vertically disposed inlet well, means mounted on the body and positioned thereon to direct a flow of air downwardly through said well, a plurality of cell members adapted to support said body by air cushions formed in the cell members, said cell members being grouped to present adjacent inner portions thereof underlying said inlet well, and said inlet well opening directly downwardly into said inner portions of the cell members to simultaneously and uniformly feed air to said cell members. The vehicle comprises a hull 12 having a central raised deck 16, side walks 14, cabin 22, forward propulsion unit 50 and twin rudders mounted in the slipstream thereof. A fan 38 housed in a vertical duct 32 in the hull 12 directs air downwardly into three plenum chambers or cells 24, 25 and 26, each provided with a flexible skirt 42. The cells 25 and 26 extend beyond the sides of the hull and to reduce the width of the vehicle when not operating on its cushion the tops of the cells are hinged at 92 and the skirts provided with slide fasteners so that stays 95, normally attached at 96, may be secured at 97 to hold the projecting portions in a vertical folded condition. Handling wheels 70 and a nose strut (not shown) are provided, and the skirts may be collapsed as concertinas. Alternative arrangements of the cells are described, but in each arrangement one fan supplies pressure air to one or each group of three cells.
Patent GB-865461-A (GB)
Title: Leucovorin purification
Inventor: D AMATO VITANGELO
IPC: C07D475/04
Filed: 1957-10-14
Abstract: Leucovorin is prepared by catalytic hydrogenation and formylation of folic acid followed by filtration of the reaction mixture from the catalyst, heating at 50 DEG C. under a nitrogen atmosphere and evaporation to dryness in vacuo.  The residue may then be worked up by suspending it in a small amount of water, gradually adding an alkali metal hydroxide to give a permanent alkaline reaction, adjusting to pH 8,5 with 10% hydrochloric acid, adding 4ml. of N. sodium hydroxide for each gram of starting folic acid, diluting the reaction mixture to about four times its volume with water heating to about 90 DEG C. for about half an hour under a nitrogen atmosphere, adjusting to about pH 7,5 with 10% hydrochloric acid, evaporating to about one fourth of the volume in vacuo under a nitrogen atmosphere and precipitating leucovorin by the addition of 10% hydrochloric acid to pH 3,5.  The leucovorin obtained may, if desired, be converted into an alkaline earth metal salt, e.g. its calcium salt. Specifications 733,062, 733,130 and 735,112 are referred to.
Patent GB-1210815-A (GB)
Title: Improvements in or relating to manually operable vacuum valves
Inventor: TAYLOR IVOR JOHN
IPC: F16K51/02
Filed: 1967-07-12
Abstract: 1,210,815. Valves. I. J. TAYLOR. 25 March, 1968 [12 July, 1967], No. 32053/67. Heading F2V. An isolating valve for connecting either of a pair of lines to a vacuum pump comprises a piston 43 having end portions 44, 45 which can enter nylon or PTFE sleeves 24, 31 to disconnect lines 33, 38 from port 39. Each end portion is provided with an 0-ring and in the central position of the piston both lines 33, 38 are disconnected from port 39. The piston is moved by crank-pin 72 upon rotation thereof by stem 58. Stops (74, 75) limit rotation of the stem such that the two extreme positions of the piston correspond to the opposite dead-centre positions of the crank-pin. The handle 69 may be free to rock on stem 58 such that a pin (91) on the handle enters holes in the cover plate (96) under the action of spring (92) to lock the piston in its three operating positions.
Patent GB-464928-A (GB)
Title: Improvements in or relating to pads for use with horseshoes
IPC: A01L7/02
Filed: 1935-11-20
Abstract: 464,928. Horseshoes. GRAY, B. P. Nov. 20, 1935, No. 32106. [Class 67] A rubber heel-pad 8 which is carried by a metal plate 9 resting on the heels of the shoe is secured by a separate retaining member or members adapted to engage both the pad and the limbs of the shoe. In one form (Fig. 2), a metal strip 14 which may be bent to fit shoes of different sizes engages the'carrier plate 9 with the assistance of a central lug 15 and has at each end a tooth 17 co-operating with a notch 18 in the limb of the shoe and a lug 19 resting on the upper surface of the shoe. In another form (Figs. 4, 6), a pair of sheet metal members 20 which engage the shoe in the same manner as in Fig. 2 are connected by a compression spring 21 and have two arms 26, 29 embracing the carrier plate 9. Specifications 379,086 and 408,083 are referred to.
Patent GB-1039635-A (GB)
Title: Improvements in or relating to clips
IPC: A41F3/02
Filed: 1964-08-06
Abstract: 1,039,635. Clips. W. SCHMIDT, [trading as P. C. TURCK WWE]. Aug. 6, 1964 [May 29, 1964], No. 32113/64. Heading E2B. A clip comprises a basic jaw 1 having mounted thereon a resilient jaw 2 operable by a clip stirrup 3 journalled to the basic jaw, in which extending from the basic jaw is a strap 6 of bend resistent sheet material capable of having its extending end doubled backwards to securely clamp in the fold 6c so formed the doubled edge 5a of material to which the clip is secured. The strap 6 may have projections 6d which engage the braces strap in the clamped position. The strap 6 is mounted on a flap. 1a of the basic rib 1 by a slat 6b.
Patent GB-292573-A (GB)
Title: Improvements in machines for splitting leather, hides, rubber, felt or the like
IPC: C14B1/14
Filed: 1927-11-30
Abstract: 292,573. Jacout, P., and Breton, M. June 24, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Machine cutters, grinding in situ.-In an endless knife splitting machine for leather the knife drums 2 are driven from a shaft H connected by a sprocket chain T to a power shaft I. The upper feed roll A is adjusted by non-reversible worms C, on a hand-driven shaft E, engaging worms of screwed shafts engaging the bearings. Grinding discs carried by a slide F are rotated from the shaft I. In stripping pneumatic tyres a conical former M is used for flattening purposes.