baber/WOPTO huggingface dataset:
Patent GB-910076-A (GB)
Title: Surface hardening of metals
IPC: C21D7/04
Filed: 1961-06-15
Abstract: 910,076. Altering physical structure. DU PONT DE NEMOURS & CO., E.I. June 15, 1961 [June 23, 1960; Feb. 2, 1961], No. 21744/61. Class 83 (4). A process for hardening a metallic surface comprises positioning a metal sheet, e.g. of steel, lead or brass parallel to the surface to be hardened and separated therefrom by a space, placing on the exterior surface of the sheet a layer of a detonating explosive having a velocity of detonation at least 25% greater than the sonic velocity of tile metal to be hardened, and initiating the explosive. The process is applicable to the hardening of manganese steel, stainless steel, vanadium steel and nickel, niobium, cobalt and their alloys. The air space between the said surface and the sheet is between 0.010 and 0.025 inch thick. The layer of explosive may be initiated at a corner, in the centre or at any point along an edge or, by using a line-wave initiator along an entire edge. The explosive layer may be bonded to the sheet or applied in a paste or gelled form. In an embodiment the metal specimen 2 whose upper surface is to be hardened is placed on an alloy steel support 1. A brass or steel sheet 3 is supported on said upper surface by means of projections 7 on the sheet to provide the necessary air space 8. The layer of explosive 4 on the outer surface of the sheet 3 is initiated by an electric initiator 5. Specifications 765,305 and 876,951 are referred to.
Patent GB-359487-A (GB)
Title: Improvements in golf clubs
IPC: A63B53/00
Filed: 1930-07-18
Abstract: 359,487. Golf clubs. MAVIS MACHINE CORPORATION, 50, Broadway, New York, U.S.A. July 18, 1930, No. 21768. Convention date, Nov. 16, 1929. [Class 132 (ii).] The width of the striking face of a lofted golf club as viewed in perspective by the player appears to be of equal width at equal distances from and on opposite sides of the vertical centre line. In the embodiment described the top and sole lines 5, 6, Fig. 1, diverge slightly towards the toe 7 the angle of divergence 1 being decreased for clubs of increased loft, these lines thus appearing parallel .to a player addressing the ball. The " sweet spot," substantially the centre of gravity of the club, is arranged to coincide with the geometric centre of the club face by cutting away metal at 8 and making the club thicker at the toe 7 and the sole 6. The striking face may be line scored or punch marked, the lines, Fig. 1, slightly diverging so as to appear parallel to the lines 5, 6. The top line may be curved as in Fig. 4, but the club is made to appear symmetrical about its vertical centre line, the toe being made slightly wider than the heel for this purpose.
Patent GB-217691-A (GB)
IPC: B01D5/00
Abstract: 217,691. Baumann, K., and Metropolitan-Vickers Electrical Co., Ltd. April 11, 1923. Feed-water, heating.-In a feed-heating system of a condensing steam turbine plant, a separate feed-heater 5 is provided for condensing and utilizing the heat of the steam from the make-up water evaporator 9, and this feed-heater is connected in series on its water side with and placed before at least one feed-heater heated by steam taken from a stage of the turbine. Condensate from the condenser 2 passes in turn through the heater 5 heated by steam from the evaporator 9, and through heaters 6, 7, 8 heated by steam from stages of the turbine 1. Steam taken from the turbine for heating the water in the evaporator passes through the heater 6. Condensate from the heaters drains into the hot well 3. Specification 195,783, [Class 123 (ii), Steam generators], is referred to.
Patent GB-710510-A (GB)
Title: Improvements in or relating to centrifugal separators
Inventor: TAIT WILLIAM HENRY
IPC: B04B5/00
Filed: 1951-09-17
Abstract: 710,510. Centrifugal separators. GLACIER METAL CO., Ltd. Sept. 2, 1952 [Sept. 17, 1951; Sept. 17, 1951], Nos. 21769/51 and 21770/51. Class 23  A rotor in a centrifugal filter for oil or other liquid is adapted to rotate on a vertical tube through which the liquid under pressure is fed into the rotor, the filtered liquid being discharged through one or more reaction nozzles for driving the rotor solely by reaction, and the rotor is characterized in that at least the body part is made of thin metal to provide a lightweight disposable unit. The rotor, which may be made from tinplate having a thickness of 0.011 in. with a tin coating of 0.00006 in on each side, comprises a cylindrical wall 1 (Fig. 1), having a rolled and soldered longitudinal seam 3, top and bottom members 4, 5 respectively united with the wall by means of rolled seams 6 with sealing compound, and a helically wound reinforcing wire 11 soldered at its ends to the rotor. A centrally disposed inlet tube 7, sweated at its ends to the members 4, 5 and extending downwardly through a hole in the latter, serves to mount the unit rotatably on an external oilpressure pipe. The inlet tube is formed with one or more outlet holes 8, the wall is provided with one or more reaction nozzles 9, and a baffle plate 2, located between said holes and nozzles, is secured peripherally to the wall and has a central hole of greater diameter than the inlet tube. 'The nozzle is formed by pressing out a part of the wall, and the orifice may be formed by shearing. Alternatively, the excrescence may be blind and pierced to form the orifice. The plate 2 may be replaced by baffle means associated with the nozzle and comprising an inwardly extending preferably tapered tube. In a further modification the nozzle comprises a radially disposed tube projecting partly within and partly outside the rotor unit, the outwardly projecting end being blind and being provided with an orifice in its wall. The unit may be made wholly or in part of aluminium or aluminium alloy. In Fig. 6, the unit is installed within the crankcase 25 of an internal combustion engine, being mounted on an oil pressure pipe 19 extending upwardly from the sump 21. The unit rests on a flange 20 when stationary and rotates on a ball 26 disposed under a removable cover 24 of the crankcase. The unit may be installed within an oil-filter tube projecting from the crankcase, or it may be submerged within the sump, a bridge member then being provided for preventing the unit rising on its tubular spindle.
Patent GB-407250-A (GB)
Title: Improvements in and relating to method and means for mining a soluble
IPC: E21B43/28
Filed: 1933-08-03
Abstract: 407,250. Dissolving minerals in situ. TRUMP, E. N., 1912, West Genesee Street, Syracuse, New York, U.S.A. Aug. 3, 1933, No. 21863. [Class 68 (i).] In mining a soluble, such as rock salt, a supply of solvent, such as water, is introduced into the mine cavity and also a supply of nonsolvent, such as air, in excess of the amount that would be absorbed by the solvent, so that surplus non-solvent will be discharged from the cavity, and the level of the solvent is controlled by controlling the point of discharge of the surplus non-solvent. The level of the solvent is varied step by step upwardly. In Fig. 1, water and air under pressure are supplied to a casing 8 through a pipe 12, and a pipe 15, chamber 16 and pipes 17 respectively, and pass downwardly, brine passing up an inner tube 9. As the salt is dissolved air passes from solution into the space between casings 7, 8 and defines the level of liquid in the cavity ; air passes from said space through pipe 18, with gauge 23, and a reducing valve 19 and discharges from pipe 10 into pipe 9, the pipe 10 and reducing valve 19 being adjusted to vary the level of liquid in the cavity. An indicator pipe 20, with gauge 22, may depend through casing 7 into the liquid, a hand pump 21 forcing air into said pipe. In Fig. 2, an annular bell 25 is adjustably supported by pipes 26 which deliver discharged air to the central pipe 10 ; some of this air passes through an injector 27 to supplement the main air supply. In Fig. 3, air passing with water down casing 8 separates into a bell 28 surrounding the brine pipe and passes into the latter through pipes 29, the lower edge of the bell defining the liquid level in the cavity.
Patent GB-373852-A (GB)
Title: Improvements relating to folding beds and the like
IPC: A47G9/06
Filed: 1931-07-31
Abstract: 373,852. Bed settees; folding beds. GARRETT, W. C., 39, Hamilton Crescent, Palmers Green, London. July 31, 1931, No. 21871. [Class 52 (ii).] In a folding bed, bed settee, &c. comprising hinged frame sections, the end of each rear section is provided with two spaced projections which engage with a guide to support the rear section in its extended position by a cantilever action, and such that a rear movement of the section, assists the breaking of the rear joint. The guide-plate 4 secured by attachment lugs 5 has a slot with a horizontal portion 7 having its rear end 11 extending upwardly and rearwardly, and with a vertical portion 8 of arcuate formation of radius x equal to the distance between the two projections. The projections 2, 3 coact with the horizontal guide portion to support the section 1 in the extended position but upon a rearward movement the projection 3 engages a hump 11 on the horizontal guide portion and thereby exerts a reactional couple which assists in the breaking of the section joint and allows the section to take up a vertical position with the projection 3 at the bottom of the vertical guide portion.
Patent GB-809775-A (GB)
Title: Improvements in mowers
IPC: A01D34/24
Filed: 1955-07-29
Abstract: 809,775. Mowing machines. MASSEYHARRIS-FERGUSON Inc. July 29, 1955 [July 30, 1954], No. 21946/55. Class 6(3). A tractor mounted mower in which a power operated actuator is provided for raising and lowering the cutter bar is characterized in that means are provided which gradually reduce the speed of the cutter bar when it approaches transport position. As shown the invention is applied to a mower as disclosed in Specification 809,776 in which the cutter bar is raised and lowered by means of a hydraulic actuator 185 comprising a piston and cylinder wherein pressure fluid is fed from the tractor hydraulic system to a hollow piston rod 224 where it is fed into the cylinder through radial ports 232, shifting the cylinder to the right as viewed in Fig. 5, and raising the cutter bar to its transport position. To reduce the speed of the cutter bar a pin 242 is slidable in the passage 229 of the piston rod and is formed with tapered slots 244 which restrict the flow of fluid to the cylinder when the end of the pin abuts the head 218 of the cylinder.
Patent GB-518482-A (GB)
Title: An improved valve for steam and other pressure vessels
IPC: F22B37/44
Filed: 1938-07-25
Abstract: 518,482. Combined pressure and vacuum release valves. HURST, W.F.F. MARTIN-, and BRITISH THERMOSTAT CO., Ltd. July 25, 1938, No. 22048. [Class 135] A combined pressure and vacuum release valve, with a movable wall or plate attached to a metal bellows exposed on one side to the internal pressure and on the other to atmospheric pressure, has a check valve, mounted on the wall or plate and opening inwards w h e n internal pressure falls below external, and a fixed abutment to open the check valve when the wall or plate moves outwards upon rise of internal pressure. Internal pressure below atmospheric moves spring-loaded valve 9 off synthetic rubber seat 10 on plate 7 to admit air from passages 2 through holes in guide sleeve 8. Internal pressure above atmospheric causes bellows 4 to move plate 7 against the action of spring 14 until the stem 11 of valve 9 abuts against adjustable screw 16 ; further increase of pressure moves plate 7 away from valve 9 to relieve pressure. In a modification, passages 2 open into chamber 17 to which a pipe is coupled to lead away escaping steam or vapour.
Patent GB-642953-A (GB)
Title: Apparatus for and method of grinding
IPC: B24B7/13
Filed: 1947-08-08
Abstract: 642,953. Grinding strip metal. HAMILTON, A. E. Aug. 8, 1947, No. 22066. Convention date, Feb. 11, 1946. [Class 60] Apparatus for grinding strip metal comprises a power-driven coiling device for advancing and coiling the strip metal, a grinding roll positioned to engage the strip in a direction generally crosswise thereof, but the roll beng disposed on an axis that is diagonal to the path of travel of the strip, and means for rotating the roll in a direction to frictionally oppose pull on the strip by the coiling device. A roll stand 5 carries surfacing rolls 6, 7 which may be of abrasive material or be covered with helically wound abrasive strip. The roll 7 is belt-driven from a motor 9 carried by a bracket 4 secured to the roll stand; the roll 6 is belt-driven from another motor also carried by the roll stand. The roll stand is supported on an anti-friction bearing 12 and can be angularly adjusted by worm gear 13 and worm 14 operated by a handcrank 16. The strip 18 is drawn from a coil 19 and recoiled at 20 by counterclockwise rotation of a motor 22; the rolls 6, 7 are rotated clockwise and counterclockwise respectively, so that the strip between the coil 20 and rolls 6, 7 is in tension; the motor 21 may be completely de-energized, or may be caused to act as an brake so as to tension the strip between the rolls 6, 7 and coil 19. To reverse the travel of the strip the motor 21 is rotated clockwise, the motor 22 being completely de-energized or caused to act as a brake, and the direction of rotation of the rolls 6, 7 is reversed; the angularity of the roll stand is also reversed. Idler guide rolls 23, 24 direct the strip to guide tables 25, 26 having upturned edges to prevent lateral displacement of the strip due to the diagonal pull of the surfacing rolls, if the tensioning of the strip in insufficient to prevent this. When it is desired to grind only one surface of a strip, two strips back to back are fed through the apparatus. The strip may be first ground by rolls having grit of a certain grain size, and subsequently by rolls having grit of a smaller grain size; the strip may be traversed at a rate of 25-100 feet per minute and the rolls have a peripheral speed of 3,000-5,000 feet per minute.
Patent GB-300712-A (GB)
Title: A new or improved method of and apparatus for examining and stamping eggs
IPC: G01N33/08
Filed: 1927-08-23
Abstract: 300,712. Sampson, J. J., and Carton, A. Aug. 23, 1927. Printing on eggs.-Apparatus for testing and stamping eggs comprises a box 1 containing a lamp 2 and having doors 3 with central apertures 4. At the back of each aperture 4 is a plate 5 having an aperture 6, the plates being carried at the corners by tension springs 5<1>. The rubber stamps 11 are held on cup-shaped members 9 by union nuts 10 and are mounted at the ends of swinging arms 8 journaled on brackets 7. The arms 8 are raised from the vertical position to the horizontal position in line with the apertures 4, 6 by treadles connected to rods 12. The stamps wipe against inking-rollers 13. In use, the egg is held against the apertures 4, 6 and tested by light. The: treadle is then operated to swing the stamp into line with the egg and the egg is pressed against it, the plate 5 moving inwards against the action of the springs 51 to permit this.
Patent GB-196635-A (GB)
Title: An improved appliance for removing deposits from the cylinders of internal combustion engines
IPC: F02B77/04
Filed: 1922-05-22
Abstract: 196,635. Birkett, R. May 22, 1922. Cleaning internally, rotary appliances for.-A rotary brush for removing deposit from the cylinder heads of internal-combustion engines comprises tufts 5 of metallic bristles, some of which are disposed axially and others, at the edge, are inclined, in order to enter the rounded corner of the cylinder head. If the bristles are made from flat wire the tufts are set haphazard, as shown in Fig. 2, to augment the scraping action. The brash may be centred by a conical block 11 spring-mounted on the rod 8; but if the cylinder head is not provided with a central hole 15, the rod may be spring-mounted in a spider placed in the open end of the cylin'ier. One or more scrapers more rigid than the bristles may be combined therewith.
Patent GB-1424674-A (GB)
Title: Facsimile transmitter optical scanning arrangement
IPC: H04N1/12
Filed: 1972-05-11
Abstract: 1424674 Facsimile apparatus STANDARD TELEPHONES & CABLES Ltd 4 May 1973 [11 May 1972] 22128/72 Heading H4F A facsimile transmitter optical scanning arrangement includes an imaging system for sequentially imaging a whole line of a document at a time on to a photo-sensitive surface, said imaging system including a coherent fibre-optic bundle, the fibres at the end of the bundle optically remote from the surface being arranged side-by-side in a line, the fibres at the other end being arranged in a two-dimensional array. In a facsimile transmitter, the length of the document is scanned mechanically and the width is scanned electronically. A line across the width is imaged on to a linear array of fibre-optic light guides (using lenses or by direct contact) and the image scanned along the document length by a rotating mirror (4, Fig. 1, not shown) or by moving the document using rollers 20-22, Fig. 2. The light guides are arranged such that their other ends are formed into a matrix array adjacent the fibre-optic face-plate of a television camera. In the Fig. 2 embodiment the linear end of the bundle is held in contact with the document 23. The document is illuminated by lamps 27 via the rectangular matrix array 26 of the other end of the bundle and unwanted reflections are prevented by non-reflective coatings or by polarizing the light. The image of the document is focussed on to the camera 29 target by a lens. The camera scanning is controlled by a bright line produced along one side of the image by a subsidiary bundle of fibres 30 which engage a mirror 31 at their other ends. The camera scans vertically until it reaches the centre of the first subsidiary fibre, then a single horizontal scan is made after which the vertical scan is restarted until the next subsidiary fibre is reached. Instead of the television camera, an array of photo-detectors may be used.
Patent GB-222471-A (GB)
Title: Improvements in and relating to steam or gas turbines
IPC: F01D5/14
Filed: 1924-09-19
Abstract: 222,471. Erste Br³nner Maschinen- Fabriks-Ges. Sept. 29, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Blades. - In turbines having a relatively low driving-fluid velocity the pitch t of the rotor blades a does not exceed 7 millimetres. The width n of the rotor blades is equal to at least 2.7 times the pitch t, and the width m of the guide blades b is approximately equal to 1.5 times the width n.
Patent GB-315880-A (GB)
Title: Improvements in and relating to feed water heating apparatus
IPC: F01K7/42
Filed: 1929-07-19
Abstract: 315,880. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitiits Ges.). July 20, 1928, [Convention date]. Feedwater, heating.-In a feed-supply system comprising a feed heater D in which feed is heated by the exhaust from an auxiliary .engine E, when the supply of exhaust steam fails, the heater is supplied with live steam passed through a pressure reducing valve D and a surface cooling apparatus K. The vapour generated 'from the cooling medium in the surface apparatus is condensed in a surface feed heater F, through which the feed passes on its way from the main condenser C to the heater D. A safety valve S allows vapour to escape to the atmosphere.
Patent GB-441701-A (GB)
Title: Improvements in or relating to method and apparatus for testing eyes
IPC: A61B3/18
Filed: 1934-07-31
Abstract: 441,701. Sight - testing apparatus. LELAND, G. H., 1501, Webster Street, Dayton, Ohio, U.S.A. July 31, 1934, No. 22335. Convention date, Aug. 5, 1933. [Class 97 (i)] Apparatus for ascertaining and correcting the refractive errors of the eyes comprises a fixation object or target arranged to be first brightly and then dimly illuminated at recurring intervals and an obturating device arranged adjacent the patient's eyes and so operated that, while the target is brightly illuminated, it is seen by only one eye, while when it is dimly illumin - ated it is seen by both eyes. By giving the target a suitable colour such as red, it is stated that the observation is made without accommodative effort, while the recurring periods of binocular observation in dim illumination enable the axes of the two eyes to be maintained in such relation that they converge towards the plane of the target. Three targets may be provided respectively for distance, near point, and middle distance observation. The target, Figs. 6 and 7, comprises an opaque disc 10 with four equally spaced narrow radial apertures 12 illuminated from the rear by a lamp 25. The disc is mounted in a ring 16 which can be rotated within the casing 11 by turning a knob 22 : the casing carries a bracket 38 for attachment to a wall &c. A red filter 26 is disposed behind the target. A shutter 34 mounted on the inner side of the screen so as to be independently rotatable has two wide slots 36 and two narrower slots 35 so that it can be turned to expose all the apertures 12, or to expose alternate apertures only, or to cover all the apertures. In the latter case the shutter exposes a circular opening 37 in the disc 10 so that the patient then sees a single spot of light. A similar but smaller target 39, Fig. 1, can be arranged at reading distance from the patient, and a third target 46, to be placed in an intermediate position, may also be provided. The periodic obturation of one eye is effected by a shutter 62 operated by an intermittently-excited electromagnet 51. The electromagnet and the light sources pertaining to the several targets are controlled by an automatic switching device contained within a casing 75 in such a way that a resistance in the lamp circuit is periodically short-circuited and during such periods, the electromagnet is energized so as to move the shutter 62 into position in front of the eye which is not being tested.
Patent GB-813377-A (GB)
Title: Apparatus for moulding concrete curbs, gutters and the like
IPC: E01C19/48
Filed: 1955-08-03
Abstract: 813,377. Casting concrete curbs &c. BUTCHER, E. Aug. 3, 1955 [Aug. 6, 1954], No. 22349/55. Class 20(2) Apparatus for moulding concrete curbs and gutters comprising a mould box 8 having an open rear end 9 and an open bottom and mounted on a pair of skids 1, and without which a piston or a pivoted plate reciprocates to consolidate the concrete and move the unit forward against the moulded concrete comprises a hopper 22 for supplying concrete to the apparatus. The piston rests on flanges extending inwardly from the lower edges of the mould box and is reciprocated by rods 11 and a petrol engine 14 through a reduction gear 16. Concrete supplied through the hopper 22 passes through a port 21 which is opened and closed by the piston as it reciprocates or in a modification, Fig. 8 (not shown), by a curved deflecting plate carried by a reciprocating pivoted plate.
Patent GB-392144-A (GB)
Title: Improvements in or relating to processes and apparatus for producing motion picture films produced thereby
IPC: G03B35/00
Filed: 1931-08-07
Abstract: 392,144. Producing relief effects in kinematograph images. FELMS REVO CORPORATION, 100, Broadway, New York, U.S.A.-(Assignees of Elms, J. D. ; P.O. Box 182, Staten Island, New York, and Waddell, W. E. ; 30, Manning Place, Keansburg, New Jersey, both in U.S.A.) Aug. 7, 1931, No. 22384. Convention date, Aug. 28, 1930. Void [Published under Sect. 91 of the Acts]. [Class 97 (i).] Successive images on a kinematograph film are focused for different image planes; the images may be taken either by different lenses focused for different planes, or by an oscillating lens, or bv a lens the focus of which is automatically varied. As shown, two differently - focused lenses 21, 22 are mounted on a shaft 20 which is rotated between exposures so that the lenses are used alternately. The lenses are mounted in a rotatable casing 23 having radial partitions, and the lenses and casing are rotated in synchronism with the film feed by a handle 10 through gears 12, 13, 15, 16, 18, 19.