baber/WOPTO huggingface dataset:
Patent GB-477541-A (GB)
Title: Improvements in or relating to the construction of wings and other aircraft bodies or parts
IPC: B64C3/00
Filed: 1936-07-02
Abstract: 477,541. Coverings for aircraft structures. SUPERMARINE AVIATION WORKS (VICKERS), Ltd., and MITCHELL, R. J. July 2, 1936, No. 18353. [Class 4] Wings or other aircraft bodies or parts of the type comprising. an internal structure and a stressed skin cover have a multiply member of wood or similar material incorporated in the structure and covering plates which are joggled at their junction to form an exterior recess in which a strip is fitted flush with the main parts of the plates, countersunk screws being employed to fix strip and plates to the multiply member. Alternatively, the edge of one plate may be joggled and the edge of the adjoining plate thickened to form the strip as shown in Fig. 3. Fig. 1 shows plates c, d attached to multiply booms a, a<1> of wing ribs comprising shear bracing b and gussets b<1>. The edges of the plates are joggled at c<1>, d<1> to accommodate a filling strip e of a depth equal to that of the countersunk head of securing wood screws f. Fig. 4 shows a method of attaching plates c, d to a spar comprising flanges g, g<1> and a web g<2>. Two sets of multiply strips are secured to the spar flanges and one plate c is secured to both strips.
Patent GB-908128-A (GB)
Title: Improvements in or relating to ratchet-and-pawl devices
IPC: F16D41/30
Filed: 1959-05-29
Abstract: 908,128. Ratchet clutches. DUBAN, A. May 29, 1959 [June 10, 1958], No. 18385/59. Class 80 (2). A ratchet clutch for use in bicycles or the like comprises a pawl 1 pivoting on one clutch member and carrying a permanent magnet 2 which is attracted towards a ratchet wheel 3 made of a magnetic material, so that a tooth on the pawl engages with teeth on the ratchet wheel. As shown, the pawl 1 pivots on the inner clutch member and is biased by the magnetic force to pivot outwardly and engage teeth on on outer clutch member, but alternatively the pawl may pivot on the outer member and be biased by the magnetic force to engage teeth on the inner member. The pawl 1 is formed with a tooth 1<SP>2</SP> at its mid-point for engagement with the ratchet teeth. In one modification, Fig. 3 (not shown), the magnet is secured to the pawl adjacent its pivot point and biases the far end of the pawl to engage the ratchet teeth, and in another, similar modification, Fig. 4 (also not shown), the magnet is secured to the pawl at a point midway between its pivot point and its far end, which again engages the ratchet teeth. The permanent magnet 2 may be made from a ferromagnetic ceramic material and may be held on the pawl by an adhesive.
Patent GB-1479068-A (GB)
Title: Continuous mixing machine for mixing liquid and powdered material
IPC: B01F7/00
Filed: 1975-05-02
Abstract: 1479068 Mixing apparatus H IWAKO 2 May 1975 [10 May 1974 25 July 1974] 18385/75 Heading B1C Apparatus for dispersing a powder in a liquid comprises a tank 5 having a tangential liquid inlet 2, an inverted frusto-conical weir 6 down the inner surface of which the liquid flows as a thin film, a powder inlet pipe 1 opening at the bottom of the weir 6 on to a rotatable powder dispersing cone 9, an agitator disc 21 rotatable with the cone, a tangential mixture outlet 10, and an annular disc 7 which is guided by rods 8 and floats on the liquid in the tank to prevent disturbence of the surface which might interfere with flow over the weir. The agitator disc 21 may have rows of teeth 23 interdigitating with similar rows 16 depending from the underside of the tank, and fan blades 23 acted on by air from inlet 4 to assist in rotating the disc and discharging the mixture. Air is also fed through a pipe 3 and passing down the weir 6 entrains powder from the tube 1 and projects it on to the cone 9. In a modification (Figs. 3 and 4, not shown) the air inlets 3, 4 and the guide rods 8 are dispensed with and the outer diameter of the annular float 7 is slightly smaller than the internal diameter of the tank. The apparatus may be used for mixing flour and water, moistening dust, or mixing carbon black with oil.  Reference has been directed by the comptroller to Specification 1388767.
Patent GB-1461575-A (GB)
Title: Production of micro-organisms
IPC: C12N1/32
Filed: 1973-04-17
Abstract: 1461575 Pseudomonas extorquens SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 16 April 1974 [17 April 1973] 18460/73 Heading C6F A non-pink pigmented strain of the normally pink pigmented Pseudomonas extorquens is cultivated in a liquid medium comprising methanol, assimilable nitrogen, and essential minerals. A suitable strain may be produced by chemically induced mutation, e.g. by treatment with ethyl methyl sulphonate. Cultivation is preferably carried out at 38-45C and pH 6À4-7À4.
Patent GB-345172-A (GB)
Title: Improvements in or relating to trouser presses and the like
IPC: A47G25/72
Filed: 1930-06-17
Abstract: 345,172. Trouser stretchers. SHELBOURN, E., Woodlands, Kelvedon Common, Brentwood, Essex. June 17, 1930, No. 18482. [Class 141.] An internal stretcher comprising a pair of boards 1, 1a separated by springs 2 pressing against their longitudinal edges, is provided with restraining pieces 3 for maintaining the boards in position. The pieces 3 are spring pressed and pivoted at 5 on one board and slotted at 7 to engage pins 9 on the other board. The slot 7 is at one end formed as a recess 8 into which the pin slips for locking the device in its closed position.
Patent GB-666302-A (GB)
Title: Improved hopper-feed apparatus for metal thread screw blanks and the like
IPC: B21H9/02
Filed: 1949-07-13
Abstract: 666,302. Hoppers and shoots feeding articles. FRAY, V. H. July 13, 1949. [July 26, 1948] No. 18489/49. Class 78 (i). In a hopper feed mechanism for headed screw and like blanks, the blanks are fed from the hopper on to a conveyer consisting of a vertically disposed power driven travelling band and a guide surface arranged parallel to it and spaced from it by a gap of greater width than the diameter of the blank shanks but of less width than the diameter of the blank heads so that blanks are propelled along with their heads supported on the top edge of the band and their shanks hanging in the gap between the guide surface and the band. Figs. 2 and 3. The hopper 1 is cylindrical and rotates on a horizontal pivot 2. Vanes 6 attached.to the inside of the periphery pick up batches of screw blanks from the lower portion, which is fed by inclined tray 49, and deliver them onto an inclined plate 27 having an upstanding edge 27a and guide 29 for directing the blanks to a space between a pair of rollers 12, 12a, which have helical grooves 12b. In the space is a. rigid bar 18 and a straight portion of an endless belt 9 passing around wheels 8, 8a. Bar 18 is strengthened by pieces 23, Fig. 7 and a rubbing strip 22 bears against the belt so as to hold it spaced from bar 18 for the shanks 20a of blanks 20 to hang in the gap 19 formed between, while the heads 20b, Fig. 6, rest on the top edges of bar 18 and belt 9. Rollers 12 and 12a, are rotated clockwise and anticlockwise respectively as viewed in Fig. 3 so they jostle and spread the blanks so that the shanks tend to enter gap 19. Side plates 30 and 31 attached to inclined plate 27 prevent spilling at the ends of the rollers. Blanks resting horizontally with their heads in the gap 19 will pass through a gap 32 below plate 31 in addition to correctly suspended ones, the former being removed by either curved plate 25 or curved plate 25a, depending on which side of the gap the shank is facing, the removed bolts falling into tray 49 for return to the hopper. Bar 18 continues to the right, Fig. 2, and co-operates with a bar 24 to convey the blanks to a machine. The whole apparatus preferably slopes downwardly to the right, Fig. 1 (not shown), to give gravity assistance. The rollers, belt wheel 8a and hopper 1 are all driven from a shaft 33 having a driven pulley 35.
Patent GB-871017-A (GB)
Title: Improvements in or relating to change speed gears
IPC: F16H3/66
Filed: 1957-06-12
Abstract: 871,017. Electromagnetic clutches. SMITH & SONS (ENGLAND) Ltd., S. June 12, 1957 [June 13, 1956], No. 18580/57. Class 35. [Also in Groups XXIV and XXXI) Two eddy current and/or magnetic fluid clutches 14, 16 comprise a common input armature 18; pole pieces 29, 31 in a stationary magnet yoke 28 having windings 20, 22; and selectively driven clutch elements 24 and 26 carried on concentric input shafts of a change speed gear (see Group XXIV).
Patent GB-884608-A (GB)
Title: Improvements in or relating to fluid flow control devices
Inventor: DAHL ROBERT R
IPC: G05D7/01
Filed: 1959-06-01
Abstract: 884,608. Regulating fluid flow. DOLE VALVE CO. June 1, 1959, No. 18631/59. Class 135. A fluid-flow control device consists of a resilient member 17, Fig. 1, of neoprene or similar material, loosely disposed in a housing between a ring 20 and an annulus 15. The upstream face 21, Fig. 3, of the member 17 is flat and leads smoothly into the inlet of an orifice 19 extending through the member, whilst the downstream face 23 is of concave or of frustoconical form 24, which merges into an annular surface 25 parallel to a seating surface 16, Fig. 1, on the annulus 15; the surface 25, Fig. 3, joins the outlet end of the orifice 19 with a sharp edge. The orifice 19 tapers outwardly from the inlet to the outlet at an angle of between one and nine degrees. Specification 643,262 is referred to.
Patent GB-916573-A (GB)
Title: A method of producing coating compositions
IPC: C04B28/14
Filed: 1961-05-23
Abstract: Coating compositions comprising polyvinyl acetate and plaster of Paris in proportions not exceeding 1:1,9 by weight are prepared by a method which comprises mixing the polyvinyl acetate and the plaster of Paris with water whilst constantly stirring, stopping the stirring to allow the hydration reaction of the plaster of Paris to proceed under rising temperature conditions, and stirring the reacted mixture again as soon as the temperature has reached its maximum.  The water to which the polymer and plaster are added may contain a small amount of swollen hydroxymethyl cellulose and pigments.  Pigments, e.g. calcium carbonate and titanium dioxide, are preferably added before the plaster of Paris whereas plasticizers, e.g. dibutylphthalate and hexylene glycol, are preferably added at the end of the mixing operation.  The compositions may be used for coating walls and floors.
Patent GB-146813-A (GB)
Title: Apparatus for excavating clay or the like
IPC: E02F3/14
Filed: 1920-07-05
Abstract: 146,813. M÷gel, P., and Kurth, H. O. July 30, 1918, [Convention date]. Endless-chain, machines.-A machine for excavating trenches or channels with vertical walls comprises two bucket chains passing around parallel beams and raising and lowering means arranged between the beams, the cutting edges of the buckets projecting laterally beyond the beams. The buckets comprise cutters a with cutting edges b, c, d arranged at right angles to each other, the cutters delivering to baskets e with removable hinged caps f. Two lines of such buckets pass over beams h connected by transverse ribs m, buckling being prevented by struts o; lifting ropes q are disposed between the beams. Longitudinal and lateral feeds may be effected automatically. The Specification as open to inspection under Sect. 91 (3) (a) described a machine having a single line. of buckets and a single beam, the cutters being wider than the beam, and stated also that the apparatus may be supported by a carriage arranged on frames running on longitudinal tracks and connected by a transverse track. This subject-matter does not appear in the Specification as accepted.
Patent GB-1421990-A (GB)
Title: Method and apparatus for manufacture of endless belts
IPC: B29C45/00
Filed: 1973-04-18
Abstract: 1421990 Cutting tubes transversely UNI-ROYAL AG 18 April 1973 [24 April 1972] 18706/73 Heading B4B An apparatus for the manufacture of endless annular elements, e.g. drive belts,from a tubular blank, e.g. of plastics material, comprises a radially expansible and contractible mandrel for supporting the tubular blank and rotatable by a drive means 43-48, a pair of cutting tools 34, 35 arranged to be sequentially extended so as to penetrate the tubular blank driving rotation thereof and spring means 41 for retracting the cutting tools. The apparatus comprises a frame 1 on which is mounted a shaft 10 for supporting one end (75) of the expansible mandrel, Fig. 5 (not shown); the mandrel is fully described in Specification 1,421,989. The shaft is freely rotatable in a chuck 9 which is mounted on a carriage 2 slidable on guide rods 3; the shaft is positioned in order to align with the end of the mandrel by means of hydraulic or pneumatic actuators 5, 11. The opposite end (71) of the mandrel is adapted to be fitted in a recess 16, Fig. 3 of a shaft 15 rotatable by means of an electric motor 47, electromagnetic clutch 45 and belt-and-pulley drive 17, 43, 44, 46; the tension of the belt is adjusted by a handwheel 49 and elements 50, 51. The cutting tools 34, 35 are mounted on respective blocks 32, 33 which are mounted on a carriage 27 slidable on guide rails 24; the spacing between the blocks is adjustable. The carriage is connected to one end of an activating rod 26, the other end of the rod being connected to a fluid pressure operated means 31. The guide rails are mounted on a table 21 which is slidable on guide rods 26 so that the cutting tools can be moved to bring the tools into their cutting position relative to the tubular blank. Each cutting tool is mounted on a piston rod 56, Fig. 4, slidable in a housing 58 which is pivotable on its block 32, 33 in order to vary the angle of the desired cut. The piston is moved during cutting by fluid-pressure and returned by a spring 41; a handle 65 is provided in that the cutting tool can be moved manually if required. In order to maintain the accuracy of cutting, one tool is caused to penetrate the tubular blank and is then held in the penetrated position while the second tool effects its cut. Both tools are then returned together by the springs 41. Hydraulic and electrical circuits are described. Figs. 6 and 7 (not shown) for controlling the various actuators and drive motors.
Patent GB-440345-A (GB)
Title: Improvements in or relating to hinges and the like for moulded articles
IPC: B65D43/16
Filed: 1934-06-25
Abstract: 440,345. Hinges. POWER, R. F., 18, Chesterford Gardens, Hampstead, London. June 25, 1934, No. 18722. [Class 65 (ii)] A hinge for members formed of moulded material, such as a box and lid, comprises two or more lugs moulded integrally on an edge of one member, each having an aperture entering from one end only, and another set of lugs, moulded integrally with the second member, of less width than the spaces between the lugs on the first member and each provided with a laterally-projecting pin at one end, so that the members can be placed together, with the lugs of one set between those of the other and in line therewith, and then displaced laterally to bring the pins into engagement with the apertures. The apertures may be in the form of circular holes, or may be U-shaped recesses open at the top or bottom of the lug, as shown at 7. Accidental detachment may be prevented by making the recesses open in alternate directions, as shown, or by making them all open downwards and providing projections below the lugs to engage a rib 15 to prevent opening far enough for the pins 3 to fall out of the apertures. Relative lateral movement of the parts after assembly may be prevented by a spring 19 attached to one lug and engaging a recess 18 in the adjacent one ; the spring may be enclosed in a sleeve which acts as a distance piece retained by the spring, or may be replaced by a rubber member engaging holes in the lugs. By fixing the spring to the lugs at points remote from the hinge axis a spring hinge is formed. Alternatively, the securing means may comprise a threaded pin fixed to, or resting in a recess in, one lug and carrying a nut which is screwed up against the other lug. According to the Provisional Specification, in place of using a pin and corresponding aperture to form the hinge, two abutting pins connected by a metal sleeve may be employed, a pin being easier to form than an aperture. The spring or threaded pin forming the retaining means may be arranged to exert sufficient pressure between the lugs to hold the parts by friction in any position.
Patent GB-784066-A (GB)
Title: Improvements in or relating to photographic printing apparatus
Inventor: SPRIGGS JOHN ERIC
IPC: G03B27/02
Filed: 1955-06-29
Abstract: 784,066. Step and repeat photoprinting apparatus. PICTORIAL MACHINERY, Ltd. June 29, 1955, No. 18745/55. Class 98(2) Such apparatus includes a register screen, carrying one or more reference marks or lines aligned with one or both directions of movement of a carrier for a transparency to be copied, behind or forming at least part of a surface for supporting the sensitive material to permit alignment of the transparency before the.sensitive material is inserted. As shown the apparatus, which is further described in Specification 784.068. has a lower slide 13 running on tracks 12 and an upper slide 15 (from which the lamphouse is broken away) running on tracks 14 which latter are mounted on the lower slide 13; and the register screen 21 with crossed reference lines 45 is mounted on a vertically movable bed (not shown but further described in Specification 784,067), beneath the slides. A lamp may be provided beneath the register screen 21 to facilitate alignment' of the transparency which latter is secured to the lower face of a sheet of glass 46 carried by a transparency carrier or unit holder (not shown but further described in Specification 784,069) depending from the upper slide 15.
Patent GB-1106845-A (GB)
Title: Jointed nozzles
IPC: B05B15/654
Filed: 1965-05-04
Abstract: 1,106,845. Spray-producers. G. DION-BIRO. 4 May, 1965 [5 May, 1964], No. 18814/65. Heading B2F. [Also in Division F2] Apparatus connecting a spray nozzle 6, suitable for use with a fire extinguisher or a crop sprayer, and a fixed water &c. inlet tube 2 comprises a curved tube 1 having a vertically disposed lower section 1a rotatably mounted on a socket 24 rigidly connected to the tube 2 by a pair of ball or roller bearings 21, 22, and a tube 5 the generally ball-shaped end 5a of which is mounted in a part-spherical recess formed by the cooperation of the upper section 1b of the tube 1 with a ring-shaped member 4. The bearings 21. 22 permit the nozzle to be rotated through 360 in a horizontal plane and inclined surfaces 18 on the member 4 allow it to be pivoted in a vertical plane through an angle of about 65. A lever carrying a balance weight may maintain the nozzle in the selected angular position. A rubber bellows 19 is arranged between the member 4 and the tube 5. The ball-shaped end 5a is pivotally mounted in its cavity by a pair of spring-loaded trunnions, Figs. 3 and 4 (not shown). Means are provided for lubricating the bearings 21, 22 and the bearing surface for the ball-shaped end 5a.
Patent GB-706086-A (GB)
Title: Improvements in or relating to the manufacture of electric cables
Inventor: GRIEVE GEORGE THOMAS WILSON
IPC: H01B13/30
Filed: 1952-07-25
Abstract: 706,086. Making cables. BRITISH INSULATED CALLENDER'S CABLES, Ltd. July 24, 1953 [July 25, 1952], No. 18919/52. Class 36. A cable insulated with impregnated paper is made by applying unimpregnated paper tapes helically to a conductor to form a wall of the required thickness, drying the insulated conductor before bending it, reeling or coiling the dried insulated conductor, impregnating it in this condition and then applying an impervious sheath thereto. The initial drying need not be complete, but is sufficient to reduce the tensions in the paper tapes so that the layers slide over one another without wrinkling when the cable is reeled. In this case the drying is completed before the cable is impregnated.
Patent GB-153097-A (GB)
Title: Improvements in heating and controlling the air inlet for the carburetters of internal combustion engines
IPC: F02M1/00
Filed: 1919-07-31
Abstract: 153,097. Byrom, J. July 31, 1919. Heating charge.-A device for heating and controlling the air supplied to a carburettor comprises a chamber 45 the concave lower surface 46 of which fits the upper surface of the exhaust pipe 47, one end of the chamber being provided with a suctionactuated valve, the other end being connected with the carburettor. The air-control device comprises a casing 48 with a tapered lower portion 49 in conjunction with which the valve 60 acts. The valve is provided with a dashpot formed by inner and outer tubes 56, 55 which slide respectively over a fixed rod 51 and an annular piston 54 attached thereto by rods 53. The annular space 59 inside the valve is filled with oil, and is closed at the top by a cap 57. The rod 51 is positioned at its lower end by a spider 50 through which the air enters. In a modification, the cylindrical valve is replaced by a series of balls the lift of which is limited. A pressure-relief valve may be fitted to the elbow 61 or the chamber 45.
Patent GB-1120727-A (GB)
Title: Improvements in furnaces for heating fluids flowing through tubes
IPC: C10G9/20
Filed: 1966-04-29
Abstract: 1,120,727. Tubular fluid heaters. FOSTER WHEELER CORP. 29 April, 1966 [27 May, 1965], No. 18997/66. Headings F4A and F4S. A process fluid heater has horizontal tubes 10, fired from both sides by burners 6, mounted in furnace chambers 1, 2. The side walls of the furnace chambers are formed at spaced intervals with indentations 9 in which are located vertical steel support columns 12. The elements 14 which support the tubes 10 are attached by bolts 13, passing through the chamber wall 3, to the columns 12, which are thus protected from the heat developed in the furnace chamber.
Patent GB-1202520-A (GB)
Title: After-treatment of workpieces
IPC: C23C22/83
Filed: 1969-04-14
Abstract: 1,202,520. After-treatment of workpieces. LANCY LABORATORIES Inc. April 14, 1969 [Sept.23, 1968], No.19062/69. Heading C7U. Toxic Cr or Cu compounds in an aqueous dragout solution on workpieces having a surface of Cr, Cu, Cu alloy or chromium compound are reduced and precipitated by applying a solution containing hydrazine hydrate to the workpieces. The workpieces may be of Zn, Cd, Al, Mg, Cu, Cu alloy, Ag or Sn having a chromate conversion coating thereon, and on treatment with the hydrazine, hexavalent Cr in the drag-out is reduced, along with any other higher valent salts, giving rise to greater ease of precipitation on neutralizing the solution. The reconditioned hydrazine solution may be recycled.
Patent GB-667555-A (GB)
Title: Improvements in or relating to trophy cups
IPC: A47G33/00
Filed: 1950-07-31
Abstract: 667,555. Trophies. WATERHOUSE, F. A. July 31, 1950 [Aug. 4, 1949], No. 19070/50. Class 132 (ii). A trophy cup comprises a bowl 2 having notches 2a which co-operate with notches 1b in handles 1 having wedgeshaped lower parts 1c lying in notches 3a in a stem 3 on a base 4 so as tc secure the handle in place when the parts 2, 3 and 4 are drawn together by a bolt E and a nut 6b. The bolt 6 also carries a plinth 5 held by a nut 6c. The handles 1 have parts 1d fitting the bowl and terminating at points 1e on which the handles fulcrum during assembly to lock the notches 2a, 1b firmly together.