baber/WOPTO huggingface dataset:
Patent GB-205380-A (GB)
Title: Improvements in leg covering
IPC: A41D17/00
Filed: 1922-11-29
Abstract: 205,380. Dehn, F. B., (Overall Stocking Corporation). Nov. 29, 1022. Leggings. - A leg covering, having a spat portion and a leg portion extending beyond the calf, is made throughout of an elastic material to fit like a stocking, and is provided with spat portions 3, 4 simulating the top of a shoe and with a vertical line of buttons 9 and with corresponding stitches to imitate button-holes. The spat portion has side extensions 6 connected by an elastic band or stirrup. An elastic member 2, which may be of an ornamental nature, is fastened to the upper portion.
Patent GB-908984-A (GB)
Title: Improvements in or relating to ammonia-ammonium nitrate solutions
IPC: C05C13/00
Filed: 1960-09-22
Abstract: Anhydrous ammonia-ammonium nitrate solutions, preferably containing 15 to 60% by weight ammonia and 85 to 40% by weight anhydrous ammonium nitrate, are prepared by mixing substantially anhydrous NH4NO3 as molten or as the I, II, III or IV crystalline forms, at a temperature not lower than -0,6 DEG F., with substantially anhydrous ammonia.  Anhydrous gaseous, or, preferably, anhydrous liquid ammonia and anhydrous ammonium nitrate are mixed by means of agitation, or by means of a pump circulating the liquid contents, in a vessel maintained at a pressure not below the vapour pressure of the resulting solution and at a temperature not below the salting out point of the solution.  The temperature is controlled by exchange cooling or by the controlled evaporation of ammonia from the solution.  The two components of the solution may be mixed in any order and at pressures ranging from atmospheric to 200 p.s.i.g.
Patent GB-669694-A (GB)
Title: Infinitely variable gear
IPC: F16H33/08
Filed: 1949-12-21
Abstract: 669,694. Variable-speed gearing. ZWICK, W. Dec. 21, 1949 [Dec. 24, 1948], No. 32756/49. Class 80 (ii). An infinitely variable speed ratio is obtained between a driving shaft a and a driven shaft b by means of weights f which are subjected to both centrifugal force and to an oscillatory movement in accordance with the speed of the driving shaft and the load resistance respectively. A cage s is secured for rotation with the driving shaft a and carries a number of rocking levers c-c<SP>1</SP>, c 1 -c<SP>1</SP> 1  which are coupled by rods d to cranks k, k 1  on the driven shaft b and also to frames e-g-h carrying the weights f. These frames are also coupled by means of toothed racks z with gears i, l mounted for rotation in one direction only on a fixed supporting bush p. The arrangement is such that when the driving shaft a is rotated and the driven shaft b is held stationary by the resisting torque an oscillation is imparted to the weights f in addition to their rotation with the cage s. During this oscillation the gears i, l are alternately driven faster and slower than' the speed of the cage s by the racks z. When the amplitude of this oscillation increases so that at one extreme point the speed of the gear i or l is reduced to zero and tends to become negative the uni-directional mounting thereof comes intq play to restrain this oscillation. This results in a tendency to pull the weights f towards the shaft against the effect of centrifugal force and to rotate the cranks k, k 1  of the driven shaft b. Thus when the speed of the driving shaft is sufficiently high for the above effect to overcome the resistance torque on the driven shaft the latter commences to rotate and automatically assumes a speed controlled by the oscillation of the weights f in accordance with the said torque and the speed of the driving shaft. Above a certain speed the centrifugal forces acting on the weights f overcome the oscillation forces and a direct coupling between the driving and driven shafts is obtained. In a modified arrangement the racks z driving the pinions are dispensed with and a simple connecting link employed which oscillates an intermediate pinion which is geared up to a further pinion having a uni-directional mounting operating as above described.
Patent GB-1255049-A (GB)
Title: Collating and tipping machine
Inventor: HUNTWORK CLAUDE RAYMOND
IPC: B41F13/68
Filed: 1969-06-30
Abstract: 1,255,049. Feeding and delivering sheets. C. R. HUNTWORK. 30 June, 1969, No. 32829/69 Heading B8R. Gumming and pasting apparatus.-A machine for collating and adhesively joining sheets (or sheet units) U and L (e.g. for attaching separately printed advertisement sheets or tear-out printed post-cards within the pages of a multiple-page magazine or brochure) comprises converging sheet conveyers 21 and 22 for moving the sheets into face-to-face registering contact, means 140 along at least one of the conveyers for applying adhesive to portions of the sheets, timing means connected with the conveyers for controlling the sheet feed means 24, 25, feeding sheets U and L to the conveyers 21 and 22 and sheet detecting means, e.g. triggers 141 and 143 to enable the adhesive applying means only if both sheets are present at predetermined points on the conveyers. Feeding sheets.-Sheets L are fanned-out on conveyer 26 and fed individually by rotating suction drum 27 to the conveyer belts 45. The sheets are registered on the conveyer 45 by stops carried on chain 75 and arranged to pass between the runs of belts 45 and intercept the leading edges of the sheets as they are advanced. Sheets U are manually placed on conveyer 31 and fed to suction drum 32 which forwards them to conveyer belts 90 where they are registered by stops carried on chain 107 in a manner similar to that described for sheets L. The timing of pick-up by the drums 27 and 32 relative to the sheet advancing movements of conveyers 21 and 22, respectively, is controlled by cams driven by the associated conveyers and is adjustable to provide a predetermined longitudinal spacing of the sheets on each conveyer. The movement of registering stops on chain 75 is adjustable relative to belts 45 by advancing or retarding the chain. This adjustment permits accurate longitudinal positioning of the sheets to ensure accurate alignment when the sheets are brought together. The timing of the application of adhesive by nozzle 140 is controlled by a timing cam on the associated conveyer. Belts 125, 126 serve to hold the sheets in contact while the adhesive sets.
Patent GB-621074-A (GB)
Title: Improvements relating to cathode ray tubes
IPC: G01S7/04
Filed: 1946-11-05
Abstract: 621,074. Radiolocation. DODDS, J. M., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Nov. 5, 1946, No. 32859. [Class 40 (vii)] In a radar system in which echoes are depicted on a cathode-ray tube employing a stationary linear time base, the trace is viewed or projected through a prism or mirror system rotated in accordance with the aerial, whereby a plan position presentation is obtained. Such a system, when employed on a moving base, e.g. a ship, may have compass correction applied to the projection system. A stationary time base on short persistance screen 12 is projected by lenses, not shown, and prism 2, onto a fluorescent screen 13 of long afterglow. Aerial motor 7 drives the aerial 6 and rotates the prismholder 11 through differential 8 and gearing 9, whereby the optical image of the time base rotates and a plan position presentation appears on screen 13. Correction applied to differential 8 by means 14 controlled by a ship's compass removes blurring and results in a stationary " true north display. A display relative to the ship's axis may now be obtained by projecting screen 13 through a second similar prism 16 onto screen 15 and rotating prism 16 in accordance with the compass bearing from differential 8 to remove the correction applied by prism 2. Alternatively the second prism and screen may be omitted and compass correction applied by rotating screen 13; no correction then being applied to prism 2. A three-mirror combination, Fig. 2, not shown, may serve in place of prisms. Correction derived from the ship's roll may be employed in anti-aircraft radar.
Patent GB-537615-A (GB)
Title: Improved grease composition and method for making the same
Filed: 1939-12-27
Abstract: 537,615. Lubricants. STANDARD OIL DEVELOPMENT CO. Dec. 27, 1939. No. 32904. Convention date, April 6. [Class 91] A lubricating grease suitable for use at elevated temperature is made by saponifying raw rapeseed oil or the acids obtained therefrom with caustic soda in the presence of a mineral lubricating oil, heating so as to dehydrate the mixture, adding additional mineral lubricating oil, and stirring and heating to 480-520‹F, and finally cooling the mixture, a small amount (preferably 0À5 to 2 per cent.) of an alkali metal salt of a sulphonic acid made by treating petroleum oil with strong sulphuric acid being incorporated in the mixture before or during dehydration. Other soaps. such as those of rosin, tallow or other fats, may be added in small quantities. In an example, raw rapeseed oil is mixed with hydrocarbon lubricating oil and a small quantity of sodium sulphonate of petroleum oil. The mixture is heated with caustic soda solution until the water is driven off, more hydrocarbon oil is added, and the mixture is heated with stirring to 500"F. allowed to cool to 200‹F. and then drawn off. The product preferably contains a small amount, not exceeding 1 per cent. of free alkali.
Patent GB-937973-A (GB)
Title: An improved arrangement of printing apparatus
Inventor: DICKINSON CHARLES HILLINGDON
IPC: B41F23/04
Filed: 1961-09-14
Abstract: 937,973. Printing apparatus. TIMSONS Ltd. Sept. 7, 1962 [Sept. 14, 1961], No. 32941/61. Class 100 (2). A web W of paper, film, foil &c. is printed on one side at a printing station P<SP>1</SP>, is passed through a drying chamber 4, is turned over and passed through a second printing station P<SP>2</SP> where it is printed on its other side prior to a second passage through the chamber 4, said station P<SP>2</SP> being located vertically above the station P<SP>1</SP>. After each printing operation the web passes through the chamber 4 in parallel runs W<SP>1</SP>, W<SP>2</SP> and a low temperature gas flame F is directed between the runs to dry the facing print thereon. Web turnover is effected by an arrangement of rollers 9, 10, 11 and 12, guides 15, 16, 17, 19, 20 and 22 and divert bars 18 and 21. Specification 868,679 is referred to.
Patent GB-1028373-A (GB)
Title: Improvements in or relating to hair drying appliances
Inventor: BACON JAMES LAURENCE
IPC: A45D20/18
Filed: 1962-08-29
Abstract: 1,028,373. Hair dryers. MORPHY RICHARDS (CRAY) Ltd. Aug. 29, 1963 [Aug. 29, 1962], No. 33098/62. Heading A5R. A hair drying cap of soft material, which is inflated by the passage of drying air supplied through a conduit 13 secured to an opening 3 at the back of the cap, is prevented from being distorted by the weight of the conduit by a stiffening frame 14,15, 20. The cap, which is made of polyvinyl chloride sheeting, fine woven material or woven material coated with air-impervious material, e.g. vanish or rubber, has a rear air inlet 3 and front air discharge openings 4. A sleeve 6 of metal or artificial resin is secured to a locking ring 9 (Fig. 2 not shown) secured in the inlet opening, the sleeve forming part of or being connected to the air supply conduit. The stiffening frame is made of wire and comprises a ring 17 (Fig. 2 not shown) secured to the sleeve a radially extending arm 20 which stiffens the material of the cap between the inlet opening and the head opening 2 and a second arm 15 which stiffens the rear of the cap.
Patent GB-441037-A (GB)
Title: Improvements in or relating to glass windows
IPC: C03C17/00
Filed: 1934-11-17
Abstract: 441,037. Metal ribbon; leaded lights. JOHNS, J. P., 58, Reservoir Street, Seedley, Salford. Nov. 17, 1934, No. 33101. [Class 83 (ii)] [See also Group X] Windows have strips of lead secured thereto by an adhesive, in imitation of leaded lights, the strips having a convex front face al and a plane rear face a<2>. A number of such strips may be formed in one sheet, the strips being united by narrow portions b at which they are detached. Specification 416,370 is referred to.
Patent GB-170213-A (GB)
Title: Improvements in means for securing axe and other tool handles to their heads
IPC: B25G3/28
Filed: 1920-11-24
Abstract: 170,213. Buchanan, W. L. Nov. 24, 1920. Wedges.-An element for fixing a handle D in the socket of an axe or other tool comprises a vertical wedge A and an integral horizontal tongue or wedge C having a rounded upper side and projecting beyond the inner pointed edge B of the wedge A.
Patent GB-1061435-A (GB)
Title: Improvements in or relating to solutions and processes for the coating of zinc and its alloys
IPC: C23C22/37
Filed: 1963-08-21
Abstract: Aqueous acidic alkali-free solutions for chromating surfaces of Zn and its alloys, e.g. galvanized or electrodeposited Zn, contain at least 3.0 g/l of Zn2+ (calculated as Zn), from 5.0 to 75 g/l of Cr6+ (calculated as CrO3), at least 1 g/l of complex fluoride radical, and at least 1 g/l of Cl- (calculated as Cl), the solutions having a pH maintained between 0.57 and 3.0. "Alkali-free" means excluding alkali metal, alkaline-earth metal and ammonium ions.  The solutions may also contain HNO3 or its Zn salt and/or trivalent Cr.  The constituents may be provided by ZnO, ZnCl2, Zn bichromate or ZnSiF6; CrO3 or a Zn salt thereof; HBF4, H2SiF6, H2TiF6 and/or their Zn salts; and HCl.  The coating solutions are applied to Zn or Zn alloy surfaces by spraying, dipping or roller coating. The solution temperature may be 12 to 65 DEG C. and the contact time may be 5 to 30 secs.  The metal may be precleaned, chromated, water rinsed, air-dried, coated with a siccative finish and baked.
Patent GB-790574-A (GB)
Title: Improvements in or relating to electric motors
IPC: H02M7/537
Filed: 1955-11-21
Abstract: 790,574. Electric motors. PHILIPS ELECTRICAL INDUSTRIES; Ltd. Nov. 21, 1955 [Nov. 24, 1954], No. 33266/55. Class 35. An electric motor having a permanentmagnet rotor is sustained in motion by a field coil fed with impulses from a pick-up coil influenced by the rotating magnet through an amplifier. In one form, Fig. 1, an axially magnetized rotor disc 1 is provided with magnetically soft cheeks 3, 4 with bent-up poles 5, 6. These poles induce impulses in pick-up coil 9, which are amplified at 11, 12 and fed to driving coil 10. In a modified form, Fig. 3, a single coil 15 is tapped to control the amplifier 11 so that the whole coil has a negative resistance effect. If a single amplifier is used, as shown, a biasing magnet 19 is used to prevent reverse torque in certain rotor positions. Transistor or valve amplifiers may be used, and a circuit is shown where a transistor acts simultaneously as an amplifier for sustaining the motor and a rectifier enabling A.C. supply to be used. The rotor may take the form of a radially or axially magnetized disc moving between poles carrying the coils, and electrical or mechanical resonance systems may be employed to stabilize the speed.
Patent GB-663160-A (GB)
Title: Improvements relating to the voltage regulation of high tension power supplies
IPC: G05F1/62
Filed: 1949-12-30
Abstract: 663,160. Automatic voltage control systems; rectifying. METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. (Compagnie Francaise Thomson-Houston). Dec. 30, 1949, No. 33379/49. Drawings to Specification. Classes 38 (ii) and 38 (iv). In a high voltage supply comprising a high voltage source and a low voltage source connected in series to provide an output voltage which is equal to the sum of the two, the low voltage source is regulated in accordance with fluctuations of the combined output, to reduce said fluctuations. As described, the two sources comprise conventional full-wave valve rectifiers with # smoothing filters and the low voltage source is regulated by a conventional series resistance and valve having its control grid fed from a capacitor resistance divider across the combined output. A pure resistance divider may be used, preferably with a glow discharge tube in the valve cathode, to make the system responsive to fluctuations down to zero frequency. The controlled voltage may be taken from the cathode load of the regulator valve, and the reference signal from the potential divider may be amplified.
Patent GB-1299833-A (GB)
Title: Catcher mechanism for fabric laying machine
IPC: B65H45/101
Filed: 1971-07-16
Abstract: 1299833 Laying fabrics CUTTERS MACHINE CO Inc 16 July 1971 [7 Aug 1970] 33412/71 Heading D1S A catcher mechanism for a fabric laying machine comprises a catcher bar 35 which is movable vertically between a lower position and an upper position and swingable upwardly from the upper position to a locking position. As shown, the catcher mechanism comprises spaced-apart plates 11, 12. The plate 12 has a plate (17), Fig. 3 (not shown), hinged thereto and held upon the top of a cutting table (15) by a C-clamp (19). A plate 20, Fig. 5, is hinged to the plate 11 and carries an alignment plate 22 provided with a groove 25 adapted to fit over a rail 26 fixed to the table 15 and on which rail 26 run grooved wheels on. one side of a fabric laying carriage 30. The bar 35 depends from a support bar 36 fixed at its ends to members 37, 38 connected to a tubular support 39 the extremities of which carry rollers 40 adapted to travel in slots 41, 43 in the plates 11, 12. The upper guideways 42 of these slots are formed at their forward extremities with locking recesses 43. Bars 49, 50 carry pins 47, 48 which move in slots 45, 46 in the members 37, 38 and are journalled by pins 51 in the plates 11, 12. A tubular support 52 maintains the spacing of the bars 49, 50. Link bars 55, 56 are journalled to the support 39 and by pins 57 to the bars 49, 50. In operation, as the carriage 30 approaches the catcher mechanism, bars 60 on the carriage engage rollers 61 mounted on the outer surfaces of the members 37, 38. The bar 35 is elevated vertically until the rollers 40 arrive at the top of the guideways 41, the height of which is designed to be equal to or exceed the depth of the stack of fabric layers on the table 15. Continued lifting of the bar 35 causes the bar 35 and members 37, 38 to swing upwardly about the rollers 40. Simultaneously, the bars 55, 56 cause the rollers 40 to travel along the guideways 42 until they drop into the recesses 43 to lock the bar 35 and the members 37, 38 in an elevated position so that the fabric layers may be freely cut on the table 15, Fig. 4 (not shown). After cutting, the bar 35 is lifted slightly, or the rear ends of the members 37, 38 are forced rearwardly, to raise the rollers 40 from the recesses 43 and the bar 35 is returned to its original position.
Patent GB-789337-A (GB)
Title: Seat strap
IPC: D03D15/56
Filed: 1955-11-22
Abstract: 789,337. Seat straps. VALDELIEVRE, P. Nov. 22, 1955 [Sept. 19, 1955], No. 33420/55. Class 109 [Also in Group IX] A seat strap 1 comprises a warp yarn 2 of elastic material, preferably rubber lapped with cotton, and a weft yarn 3 of jute, preferably of substantially the same count as the warp yarn. The selvedges 4, 5 may be reinforced by warp yarns of different count.
Patent GB-608145-A (GB)
Title: Improvements in or relating to the induction systems of internal combustion engines
IPC: F02M1/00
Filed: 1945-12-11
Abstract: 608,145. Heating charge. WEAVER, W. A. Dec. 11, 1945, No. 33434. Drawings to Specification. [Classes 7 (ii) and 7 (iii)] An induction passage comprises a cored passage extending through a cylinder block from its base flange to the opposite side. In an engine having horizontal pairs of cylinders, the induction passage c to each pair, shown in the Figure of Specification 608,144, passes between the pair and extends through the water jacket thereof. The passages are fed by a passage j<1> and branch passage j, j in the crankcase.
Patent GB-448671-A (GB)
Title: Improvements in apparatus for opening and cleaning asbestos fibres
IPC: D01G9/00
Filed: 1935-12-04
Abstract: 448,671. Opening and cleaning asbestos fibres. WENZEL, E., 17, Wettinerstrasse, Aue, Saxony, Germany. Dec. 4, 1935, No. 33628. [Class 120 (i)] A Crighton opener and cleaner for asbestos fibres comprising beaters b surrounded by a coned grid or sieve c, Figs. 1 and 2, is provided with vibratory sieves on to which the fibres loosened by the beaters are passed in order to separate out particles of mineral and other impurities. In apparatus comprising a horizontal opener the material enters by a feed opening o, Fig. 1, and passes from the beater through an opening m on to a vibratory sieve r and then is drawn by a suction fan e up a shoot h which includes a second vibratory sieve r<1>. Boxes k, k<1> are provided below the sieves r, r<1> to receive foreign material, and the sieves are oscillated from a common shaft w. In a modification incorporating a vertical opener, Fig. 2, the material passes therefrom over three sieves r, r<1>, r<2> having boxes k, k<1>, k<2> and oscillated from the shaft w by rods p, p<1>, p<2>. Specifications 113,084, 117,743, and 124,650, [all in Class 120 (i)], are referred to.
Patent GB-936883-A (GB)
Title: Improvements in or relating to the heating of continuously moving threads or yarns
IPC: D02J13/00
Filed: 1961-09-20
Abstract: <PICT:0936883/IV(a)/1> <PICT:0936883/IV(a)/2> Continuously moving yarns or threads of thermoplastic material are heated, especially for stretching, shrinking, crimp-setting or twist-setting purposes, by a method in which, at the start of the process, the yarns are passed along a first heated member held at a temperature below the softening point of the material, and, when the yarns have substantially reached their full speed, transferring them transverse to the direction of movement of the yarns or threads away from said first heated member and to an adjacent second heated member held at or near the softening point of the material.  Materials specified include polyamides and polyesters.  Apparatus comprises means for continuously. advancing one or more yarns or threads and two heated members along which the yarns may alternatively pass, the second heated member being adjacent the first heated member and transverse to the path of the yarns, means being provided for transferring the moving yarn from the first to the second heated member.  Preferably the surfaces of the two heated members are in line with each other in a direction transverse to the path of travel of the yarns so as to form a continuous surface, one single narrow zone of increased thermal resistance being provided between the heated members.  The two heated members may be formed of a single metal plate, the surfaces of the two members being separated by a zone of increased thermal resistance by providing the plate with one or more rows of holes and/or with one or more grooves at the back thereof, a heating system being placed against only one of the separated surfaces. The plate may be in the form of a cylinder, Fig. 2, and the holes in circumferential rows 15, 16 approximately in the middle of the cylinder, the inside of which is provided with two deep grooves 17 and 18 communicating with the holes.  A heated shaft is inserted in the cylinder up to the first groove 17.  At the start of the process, the yarn is led by means of a thread guide 14 over the portion of the cylinder remote from the shaft (not shown), and when the yarn has reached its full speed, is moved by means of the thread guide so that it passes over the portion of the cylinder adjacent the heated shaft.  A draw twister comprises a supply device 3, 4, 5, a draw godet 6 and a winding device 8, 10, 11, together with such a heated cylinder 13, and a pre-heating cylinder 12 held at or near the temperature of the portion of the heated cylinder remote from the heated shaft.  The supply and discharge devices may be so disposed that the normal course of the travelling yarn is over the heated part of the cylinders, a movable thread guide 14 being provided opposite the non-heated cylinder section for the purpose of directing the path of the yarn thereover.