baber/WOPTO huggingface dataset:
Patent GB-1500425-A (GB)
Title: Fuel economy devices associated with an internal combustion engine
IPC: F02B77/08
Filed: 1975-04-10
Abstract: 1500425 Indicating working conditions D W FLEMING 10 April 1975 14768/75 Heading F1B An electrical switch 4, 5 is mounted beneath the throttle valve operating pedal 1 of an I.C. engine so that movement of the pedal to a predetermined position closes the switch and operates buzzer 7. A second switch 6 enables operation of the buzzer to be controlled. Pedal 1 is pivoted at 2 and connected to the throttle valve by cable 3.
Patent GB-810908-A (GB)
Title: Improvements in or relating to machines for separating magnetisable drop wires for warp threads
IPC: D03D51/28
Filed: 1957-05-09
Abstract: 810,908. Threading warp stop motion detectors. FLEISCHER, S. S. C. May 9, 1957 [May 14, 1956], No. 14772/57. Class 142(1) Detectors 6 on a guide bar 8 are taken one at a time by a magnet 12 and placed on a retaining magnet 10 which holds it whilst the operator draws a warp thread through it; the operator then pulls the detector off the magnet, slides it further along the bar 8, and re-starts the device, which stops automatically after each cycle. There are six magnets 12 on a common arm 16, operatiing simultaneously on the detectors on six bars 8; the associated retaining magnets 10 being disposed in a row running perpendicularly or obliquely across the bars 8. The magnets 12 are moved by a rack 21 reciprocated by gearing 35, 37 oscillated by a rack 38 actuated by an eccentric 39; the arm 16 is pivoted to the rack 21 at 19 and rides on a roller 30, the arm being cranked at 31 to lift the magnet 12 clear of the magnets 10. The device runs on rails 5 and slowly hauls itself along a fixed cord 42 by means of a capstan 41, round which the cord passes, rotated by a pawl 47.
Patent GB-731021-A (GB)
Title: Lighting fixture
IPC: F21S8/06
Filed: 1953-05-27
Abstract: 731,021. Elongated lighting fittings. LIPSCOMB, W. L. May 27, 1953, No. 14789/53. Class 75 (4). A lighting fixture comprises an elongated central frame 1 having suspension means, lamps 4, 5, 6, 7 mounted above the frame on opposite sides of the centre line thereof, reflectors 8, 9 extending along the frame on either side of the centre line thereof and below the lamps 5, 6 and a plurality of parallel spaced slats 10 ... 17 supported by the frame and disposed parallel thereto and symmetrically on either side thereof. The elongate frame comprises a member la of inverted V section and a horizontal cross-plate 1c and is supported by rods 2, 3 which project through the apex of the member 1a and through the cross-plate 1c and are secured by nuts 2a, 3a. Two lamps are mounted above each inclined surface of the member la on holders which extend through the member 1a. The reflectors 8, 9 have inclined portions which are secured to the inclined surfaces of the member 1a. The reflectors 8, 9 also have vertical portions which are disposed in back to back relationship on opposite sides of the centre line of the fitting. The parallel slats 10 ... 17 are slotted to engage with slotted cross-ribs 20 ... 27 and the ends of the parallel slats rest on inwardly directed flanges 18a, 19a on plates 18b, 19b which are detachably secured to the elongate frame 1 by pins 28, 29 on the plates engaging in openings 1g in resilient arms 1f extending laterally from end plates 1d of the frame member la. The parallel slats are slightly inclined to the vertical and are outwardly flanged at their upper edges which are progressively stepped relatively to each other upwardly from the elongate frame 1. The innermost slats 13, 14 are provided with an integral connecting plate 14a which forms a cover for electrical equipment disposed below the elongate frame.
Patent GB-589278-A (GB)
Title: Method and apparatus for permanently waving hair
IPC: A45D2/34
Filed: 1943-04-30
Abstract: In a system of permanent waving, the hair tresses are wound as hollow curls, i.e. wound about a mandrel which is afterwards removed, means being provided to maintain the hollow curls and also to clamp the roots of the tresses close to the head (see Group XIV).  Methods of applying the solutions and the particular solutions preferably employed are described in Specification 589,230.
Patent GB-1431787-A (GB)
Title: Casting of molten metals
IPC: B22D7/10
Filed: 1973-03-28
Abstract: 1431787 Casting processes FOSECO INTERNATIONAL Ltd 1 March 1974 [28 March 1973] 14954/73 Heading B3F [Also in Division C3] In a method of casting ingots by bottom pouring metal into a mould, there is located in the mould, prior to the commencement of pouring, a bonded composition comprising a fluxing agent and expandable graphite, i.e. particulate graphite the particles of which, on heating, intumesce to give a low density vermicular structure. The composition disintegrates under the expansion of the graphite and thereafter fuses to form a flux cover on the molten metal. Such graphites may be prepared by treating flake graphite with an acid and an inorganic oxidizing agent. The bonded composition may also include fibrous material, e.g. asbestos, slag wool, glass wool, rock wool, aluminosilicate fibre and paper pump, and particulate refractory material such as silica, alumina, magnesia, chamotte, vermiculite and perlite. Suitable fluxing agents include iron oxide, soda ash, fly ash, potassium carbonate, alkali metal and alkaline earth metal fluorides, alkali metal oxides or substances which yield alkali metal oxides on heating, basalt, wollastonite, calcium borate and colemanite. The fluxing agent is preferably in particulate form, the particles being coated with finely divided carbon. Suitable binders include natural or synthetic resins such as urea-formaldehyde and phenol formaldehyde resins, gums, starches, cellulose derivatives, sodium silicate, colloidal silica sol., bentonite, and ball clay. Reference has been directed by the Comptroller to Specification 1,298,701.
Patent GB-1474241-A (GB)
Title: Flexible fastener attachments
IPC: B65C1/00
Filed: 1974-04-04
Abstract: 1474241 Dress fastenings DENNISON MFG CO Ltd 4 April 1974 [4 April 1973 (2)] 15030/74 Heading A3H [Also in Divisions Dl and E2]  Flexible plastics fasteners 61, Fig. 2, having a transverse tag 61A, 61B at each end are provided in a continuous ladder-shaped stock, Fig. 1, which may be cut to provide separate fasteners. The end-tags and linking filament may be of various cross-sectional shapes. The fasteners may be made by moulding or stamping (Figs. 49-51, not shown), they may be strengthened by stretching, (Figs. 52, 53, not shown), and they may be stored by rolling or folding, in a cassette (Figs. 11, 12, not shown). The fasteners may be used to sew fabric, Fig. 14, in which stock 59 from cassette 65 is fed by wheel 82, where it is cut off by plate 87 and then slid to needles 91, Fig. 17. The needle plungers 103 then drive the end-tags of the fastener into the hollow needles, and then through the fabric, Fig. 19, after which the needles retract. A single needle may be used (Figs. 22-25, not shown) to insert the fastener through the fabric so that one tag is on each side. It is described (Figs. 26A, 26B, not shown) how the hydraulic or pneumatic operation of the machine of Fig. 14, is controlled by valves sequenced by the rotation of an electric motor. The sewing device shown in Fig. 27 has a variable needle spacing so that it may match the holes of different buttons 170, Fig: 39, by hingeing on a common spindle 141. Figs. 41 and 42, show a hand-operated sewing tool, in which the stock 59 feeds over wheel 199, as above, and the cutter 215 and rammer 186 are operated by toothed quadrant 184 from the handle. This device may be power-operated.
Patent GB-333308-A (GB)
Title: Improvements relating to machines for winding yarns
IPC: B65H54/16
Filed: 1929-05-14
Abstract: 333,308. Groschopp, A., and Schneider, T. May 14, 1929. Spindle-driving apparatus; stop-apparatus, non-automatic; stop-motions.-In a cop-winding machine each spindle 29, Figs. 1 and 2, is driven from a friction disc 21 on the axially -reciprocating main horizontal driving shaft 1 through a pair of coupled intermediate friction discs 22, 25, a friction disc 31 on the spindle 29 being driven by the disc 25. Each spindle 29 is inclined downwardly and the cop 34 wound on a bobbin 30 attached to a carrier 43 feathered at 42 on the spindle, a conical roller 33 bearing against the winding surface of the cop. The shaft 1 is reciprocated to vary the position of the discs 21 through a bell crank lever 18, 19 actuated from the slide 7 which is reciprocated vertically by the cam 5 to traverse the yarn guides 15. Each spindle 29 is pivotally supported at one end in an arm 26 while its free end is guided in a forked bracket 28 under which a rotatable rod 40 carrying a tappet 41 is arranged. An arm 39 on the rod 40 is normally supported by the passing yarn. On breakage of the yarn the arm 39 falls, the rod 40 is turned and the tappet 41 lifts the end of the spindle 29 to disengage the discs 31, 25. If desired, the disc 31 may be slidable on the spindle 29 through a fork 44, Fig. 4, the disc 25 having a dished contact surface 48 and the disc 31 being slidable out of engagement with the disc 25. In a modification having vertical spindles, the disc 22, Fig. 6, is formed with a raised edge whereby it drives a roller 49 adjustable along a shaft 50. A flange 51 on the roller 49 drives the disc 31 which may be formed with a central recess whereby the drive may be stopped when the flange 51 is in its innermost position.
Patent GB-662004-A (GB)
Title: Improvements in or relating to means for attaching boards to a supporting structure
IPC: E04B9/24
Filed: 1949-06-07
Abstract: 662,004. Wall and ceiling linings. WILLIAMS, G., and SUSPENDED CEILINGS, Ltd. June 6, 1950 [June 7, 1949], No. 15192/49. Class 20(iv) Wall or ceiling boards 20 are attached to their supports 21 by S-shaped members 24 of which one free limb 25 is pointed and forced into the marginal edge of the board and the other free limb 27 rests on the support which is closely engaged between that limb and the central limb. The members 24 may be made of wire, thin rod or metal strips; they may be elongated and have several prongs, which may be closely adjacent or may be spaced, on the pointed limb. The meeting edges of the boards may be bevelled as shown in Fig. 7, and may be hidden by bifurcations 42, Fig. 12, of a downward extension of the support, or the meeting edges may be left unbevelled and may be covered by 'flanges on the downward extension of the support. The transverse edges may be stapled to flanges 37, Fig. 9, of transverse members 36 carried on the longitudinal supports 21. The support 21 may be used the other way up as in Fig. 13, wherein the support is itself carried by a purlin 43 and the boards are between the supports and the purlins.
Patent GB-453914-A (GB)
Title: Improvements in advertising and display apparatus
IPC: G09F11/06
Filed: 1935-03-21
Abstract: 453,914. Moving signs. DARBY-WADE, Ltd., Australia House, Strand, and YOUNG, C. R., 67, Cobden Road, South Norwood, both in London. March 21, 1935, No. 15280/36. Divided out of 452,519. [Class 3 (i)] In advertising and display apparatus of the falling leaf type, in which a cage carries the leaves on detachable rods retained in end plates, the cage is intermittently rotated by a ratchet wheel 22 fixed thereto and a pawl 20, through the medium o f an arm 19 continuously oscillated by a vacuum wind - screen wiper mechanism 4. The wiper mechanism is of usual construction, and may be operated by vacuum set up by the engine of a vehicle carrying the apparatus. The oscillating shaft 25 of the wiper carries a disc 26 from which projects a pin 27 engaging one end of an adjustable link 28. The other end of the link is pivoted to the arm 19, which rocks freely about the cage shaft 3. The pawl 20 is spring-pressed on to the ratchet-wheel, and a detent 23 prevents back motion. The vacuum may be maintained constant by a reserve chamber connected by a non-return valve to the engine, and the intake valves may be covered by a dust-excluding fabric. The apparatus may be carried on a wall &c. by brackets 47 having hinged tops 52 taking over apertured lugs 53 through which padlocks &c. can be inserted.
Patent GB-371195-A (GB)
Title: Improvements in grain separating and cleaning machines
IPC: B29C73/06
Filed: 1931-05-26
Abstract: 371,195. Sifting-apparatus. SIMON, Ltd., H., Cheadle Heath, Cheshire. May 26, 1931, No. 15365. Convention date, May 26, 1930. [Class 117.] In apparatus for cleaning and separating grain of the type having a gyratory screen, a device travelling in the same direction as and at a less speed than the flow of the grain due to the movement of the screen is disposed over the delivery part thereof for retarding the flow of the grain and prolonging the duration of the sifting action. The retarding means described consists of two endless chains 60, Fig. 1, running over sprockets 61, 62 and carrying blades 69 of leather or rubber disposed so as just td clear the surface of the screen. The device is mounted on a frame 65 and is driven through chain and sprocket gearing from the main driving shaft. The frame is pivotally mounted on a shaft 67 and is connected by a chain to an inspection door 44 so that it can be raised clear of the screen. The invention is described as embodied in a machine comprising two screens 12, 13 of different mesh mounted in a shoe 11. The feed end of the shoe is driven by an eccentric 17, and a swinging arm 26 anchored to the frame is connected to the shoe rearwardly of the delivery end whereby the tail end of the screen has a substantially linear reciprocating movement. Each of the screens is provided with an underlying coarse meshed bottom forming a housing for cleaning balls 15. The upper screen is provided for the greater part of its length with a cover 40. The tailings from the lower screen pass on to inclined shelves 45, 46 to the discharge hopper 41 being aspirated by an air current produced by fans 56 which carry light impurities through the duct 42 to a depositing chamber 9 provided with baffle-plates 57 and a discharge conveyer 50. The tailings from the upper screen and the siftings from the lower screen are discharged outside the casing by shoots 35, 39. The stock is fed by a shoot 31 connected by a flexible pipe 33 to a box 30 on the screen-carrying shoe. Louvred openings 47, 48 are provided in the casing for the admission of the aspirating air currents.
Patent GB-1287645-A (GB)
Title: Improvements in knitting machines
Inventor: WALKER LANCELOT HERBERT JAMES
IPC: D04B15/88
Filed: 1970-04-01
Abstract: 1287645 Knitting-machines MLG (COMBER) Ltd 19 April 1971 [1 April 1970] 15385/ 70 Heading D1C The drive for the cam ring of a stationary cylinder, knit de-knit, machine comprises a grooved turntable fixed to the ring, a drive pulley and a diametrically opposite idler pulley all entrained by a belt. To randomise the stitch structure the cylinder may be raised cyclically or irregularly; or the yarn tension or feed may be varied.
Patent GB-577185-A (GB)
Title: Improvements in or relating to folding step ladders
IPC: E06C1/387
Filed: 1943-09-20
Abstract: 577,185. Step-ladders. PYNE, K. E., and PYNE, C. D. Sept. 20, 1943, No. 15389. [Class 20 (ii)] Relates to folding step-ladders of the kind in which the treads C are pivoted at their front and rear edges to parallel side members A, B, and in which the forward side members A constitute the front legs of the ladder. According to the invention, the back legs D of the stepladder are pivotally connected to one of the treads, preferably the top one C<1>, so that the tread forms a connecting link between the front and back legs of the ladder. The legs A, D are also connected by tie-rods F. The legs are preferably formed of U-shaped metal tubes, and the treads of metal pressings.
Patent GB-567362-A (GB)
Title: Improvements in or relating to stockings and methods of making same
IPC: D04B9/46
Filed: 1942-11-02
Abstract: 567,362. Stockings. KAUFMAN, C. A. Nov. 2, 1942, No. 15401. Convention date, Oct. 1., 1941. [Class 74 (ii)] The toe of a full-fashioned stocking is knitted so that the seam closing the tip extends vertically and centrally of the toe and forms a continuation of the seam closing the foot bottom. In one form, the toe comprises two selvedge sections C, two intermediate sections E and a central section D. Each of the sections C, D terminates in a point X, Z, and the ends F of the sections E constitute the seam 40, closing the tip of the toe. Alternatively, the intermediate sections may be omitted, and the selvedge sections provide ends similar to the ends F to form the seam. In other forms, neither the centre or selvedge sections end in points, the tip-closing seam being formed of the ends of these sections. The intermediate sections may in these forms terminate in a point.
Patent GB-736012-A (GB)
Title: Improvements in or relating to jet nozzles for gas-turbine units
Inventor: MORLEY FREDERICK WILLIAM WALTO
IPC: F02K1/11
Filed: 1952-06-18
Abstract: 736,012. Jet-propulsion nozzles. ROLLS-ROYCE, Ltd. June 10, 1953 [June 18, 1952], No. 15409/52. Addition to 640,428. Class 110 (3). A jet nozzle arrangement as claimed in the parent Specification has each of the nozzle portions constructed of sheet metal to have radially spaced walls which are arranged so that the inner wall is free to expand relative to the outer wall. A nozzle portion 15, Fig. 2, through which cooling air is constrained to flow as indicated by arrows 20 by the action of the hot gases passing through the nozzle orifice when the nozzle portions are in the extended position shown, comprises three sheet metal walls 21, 22 and 23. The outer wall 22 and central wall 23 are secured together to form a box-like load-bearing structure and are held in spaced relation by circumferentially extending channel members 28, 29. The lateral edges of the walls 22, 23 are spaced apart by channel members 31, Fig. 10, welded to the walls. The wall 23 has an angle-section member 33 welded to it. To this member 33 is bolted the leading edge flange 34 of the member 21 which is locally stiffened by a metal strip 35. The member 33 also supports a sealing element 18 comprising a pair of axially directed flanges 44, 45 supporting a length of braided metal 46 which cooperates with a flange 48 on the end nozzle fitting 14. The inner wall 21 extends rearwardly from the angle member 33 in spaced relation to the central wall 23 to form a cooling air passage to which air is supplied through spaced apertures 37, 38. The trailing edge of the inner wall 21 has a number of hooked tabs 39, Fig. 13, the fingers 39a of which engage channel sectioned tabs 40 welded to the inner surface of the central wall 23. The hooked tabs 39 are engaged in the looped tabs 40 when the inner wall is brought in position to be secured to the angle member 33. Each lateral edge of the inner wall has an F-sectioned part, formed by welding together two angle strips 42, 43, attached to it. The flange 43a of the F-sectioned part engages one of the flanges of the channel member 31 which joins the walls 22, 23 which thus act as an edge guide for the wall 21. The walls 21, 22, 23 consist of partspherical portions 21a, 22a, 23a and part frustoconical portions 21b, 22b, 23b. Specification 598,183 is referred to.
Patent GB-431170-A (GB)
Title: Improvements in or relating to an attachment to a rotary knife machine for buttering bread as it is sliced
IPC: A21C15/00
Filed: 1934-05-23
Abstract: 431,170. Ratchet gearing. CAMBIASSO, A. A., 7263, Rivadavia Street, Buenos Aires. May 23, 1934, No. 15424. [Class 80 (iii)] [See also Group VI] A ratchet mechanism for driving the butter feed of a buttering attachment for a slicing machine, converts the continuous rotation of the shaft 6<a> into intermittent movements of the ratchet wheel 17. The shaft 6<a> has a square end on which an eccentric 15<a> is retained by a split pin. The strap 15b of the eccentric carries a pawl 16 pivoted on a pin 41 and urged by a spring coiled on the pin into contact with a stop 44. The pin 41 travels in a stationary radial guideway 42 so that the pawl is brought into and out of engagement with the ratchet wheel 17.
Patent GB-881646-A (GB)
Title: Improvements in and relating to transistors
Inventor: SHEARMAN PAUL MARTIN
IPC: H01L23/16
Filed: 1959-05-05
Abstract: 881,646. Transistors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. April 22, 1960 [May 5, 1959], No. 15433/59. Class 37. In a transistor, Fig. 1, comprising a semiconductor wafer 2 and supporting conductors 3 sealed through a glass bead 4 in a metal eyelet 5 to which is welded an enveloping metal cap 7, a tubular insert 6 of anodized aluminium obviates the possibility of the wafer or conductors touching the cap. The remaining space within the cap may be filled with silicone grease, with or without additives, or with other suitable material. When the wafer and conductors have a cruciform cross-section, the insert may take the form of a solid cylinder of anodized aluminium, Fig. 2, with slots mutually at right angles cut into one end to accommodate the wafer and conductors. The eyelet 5 may be of " Nilo K " (Registered Trade Mark) and the cap 7, which may alternatively fit over the cylindrical part of the eyelet, may be of 18% nickel silver. The use of anodized aluminium inserts is said to increase the heat dissipating properties of encapsulated transistors. Specification 873,916 is referred to.
Patent GB-1117247-A (GB)
Title: Electric line coupling
IPC: H01R39/64
Filed: 1966-04-07
Abstract: 1,117,247. Swivelling-couplings. DESCOWERK SEGER & ANGERMEYER KOMM. GES. 7 April, 1966 [12 April, 1965], No. 15487/66. Addition to 930,112. Heading H2E. In a swivelling coupling, cables 18, 13 mounted on relatively rotatable inner and outer housing members are electrically connected by conductive roller bearings, the inner rings 12 of which are pretensioned and formed with slits to allow them to expand radially to ensure good contact with continuous outer bearing rings 15 via non-magnetic contact rollers 14. The inner housing member is formed from separate tubular sections 4, 5, 6, 7 spaced by the inner rings 12, and held together by a central column 3, and the two housing members are mechanically supported for relative rotation on non-currentcarrying bearings 8, 9.