baber/WOPTO huggingface dataset:
Patent GB-565376-A (GB)
Title: A new or improved tool for fitting and removing studs and for releasably gripping other cylindrical members
IPC: B25B23/10
Filed: 1943-03-24
Abstract: 565,376. Wrenches. HARDING, A. C. H. March 24, 1943, No. 4781. [Class 61 (iii)] A stud wrench comprises a number of cam gripping jaws e in the form of sectors of a cylinder mounted on pivot pins c on centres spaced inwardly from the true centres of the sectors in a hexagonal cage formed of rings a, b held in spaced relation by sleeves d, the cam jaws e having projecting pins h engaged by slots k in a boss l on a rotatable disc n for moving them into engagement with the stud m to be rotated. The cage may have projecting handles or may be rotated by a box spanner p. The faces of the jaws may be serrated or knurled or provided with part screw-threads if required to engage a threaded part of a stud.
Patent GB-456099-A (GB)
Title: Apparatus for the fluid treatment of yarns and other fibrous materials
IPC: D06B5/16
Filed: 1936-02-17
Abstract: In an apparatus for circulating fluid through textile material wound on spools, the circulation in the vat is maintained by means of an impeller situated at the foot of a vertical perforated tube on the top of which is mounted the driving motor.  The vat 1 is provided with a false bottom 3 having the spools 14 secured above. The impeller 26a driven by the motor 26 maintains the pressure in the chamber 4 and forces the dyeing fluid through the spools into the main part of the vat from which it returns to the impeller via the perforations 22 in the tube 20.  Each spool is held in place by the combined use of a rod 5, bushing 11, and nuts 5a, which also hold the bottom 2 and the false bottom 3 in fixed relation. In addition, each spool is provided with a removable valve 83, Fig. 3, which may be used to prevent the flow of liquid into the empty spool until a predetermined pressure is reached.  One selected spool is provided with an extension 8a so that the securing nut 5b is always above the liquid level, which is controlled by the overflow pipe 75.  This enables the spool to be removed for sampling purposes.  To cool the motor, there is mounted on the shaft a centrifugal fan F which also serves to direct an umbrella-shaped blast of air over the top of the vat, thereby removing the vapour.  Oil running down the motor shaft is thrown aside by centrifugal <PICT:0456099/IV/1> <PICT:0456099/IV/2> action on reaching the flange joint 79 and is trapped in the tray 77.  Steam is delivered into the vat through the pipe 50 and ducts 42.  The dyeing fluid can be drained away through the outlet 74 which is operated by the handle H.
Patent GB-202336-A (GB)
Title: Alloys
Filed: 1922-02-18
Abstract: 202,336. Saltrick, W. R. Feb. 18, 1922. Alloys. - Iron-chromium alloys low in carbon and other oxidizable impurities are obtained by smelting in a furnace a charge containing a chromium oxide ore such as chromite and ferrosilicon or silicon or both, and refining the product by blowing with an oxidizing gas, which may be air or one containing steam. A small proportion of aluminium or other reducing-agent, and lime or other fluxes, may be present in the charge. The ore may be present in the charge in slight excess over the amount equivalent to the reducing-agent. The oxidizing blast may be used to add solid oxidizing agents to the molten alloy. Specifications 192,150 and 197,987 are referred to.
Patent GB-967274-A (GB)
Title: Clock pulse distribution system
IPC: G11C11/38
Filed: 1961-02-09
Abstract: 967,274. Pulse circuits. GENERAL ELECTRIC CO. Feb. 9, 1961 [Feb. 11, 1960], No. 4865/61. Heading H3T. In a system for distributing clock pulses to a plurality of loads, at least two groups of driver stages are interposed between the loads and the clock pulse source, and the delay time of the pulses fed to each load is equalized by the use of the same number of driver stages and the same length of line between the source and each load. As shown, the clock pulse source 101 comprises a crystal oscillator, the output of which is squared by an over-driven amplifier, the output being fed via a driver 102 to a group of drivers 103 ... 107, each feeding a further group of drivers such as 109, 149, each of which in turn feeds a load 111 ... 118 in the form of a bi-stable circuit or diode gate. A specified transistor blocking oscillator may be used for each driver, some of which may be gated at G.
Patent GB-711483-A (GB)
Title: Improvements in or relating to electric water heaters
IPC: F24H9/20
Filed: 1951-03-01
Abstract: 711,483. Actuation of switches. TIPPING, W. F. March 3, 1952 [March 1, 1951], No. 5029/51. Class 38(5) [Also in Group XI] A switch embodied in a water flow heater is actuated by bellows 47 connected to one arm 48 of a pivoted switch member 49. When water pressure is applied to the outside of the bellows, a pair of electrically-connected switch contacts on arms 50 of the member 49 bridge a pair of contacts 32 to complete the circuit for heating elements of the heater. When the pressure is removed from the bellows they expand and the circuit is opened. In a modification for low pressure water supplies (Fig. 4) the bellows 80 are larger and carry a contact connected by a flexible metal strip 82 to one pair of the terminals of the heater elements. A fixed contact is mounted on a metal arm 84.
Patent GB-695277-A (GB)
Title: Improvements in or relating to homogenizers
IPC: B01F15/02
Filed: 1950-02-28
Abstract: <PICT:0695277/III/1> A homogenizing attachment for a mixing machine for use in the baking and chemical trades and the like comprises a reciprocating spring loaded ram 10 working in a tubular body 5, one end of which forms a compression chamber 6 which is provided with an inlet port 17, a homogenizing valve 18 and an outlet nozzle 23.  The material to be homogenized is drawn into the chamber 6 past a non-return valve 16 on the upstroke of ram 10 and is ejected past valve 18 in homogenized condition on the return stroke of said ram. Adjustment of the maximum clearance of valve 18 from its seating may be effected by means of a screwed sleeve 20 which carries the outlet nozzle 23.  The reciprocating motion of the ram is effected by the rotation of a cam 1 which engages a spindle 11 connected to said ram.
Patent GB-564598-A (GB)
Title: Improvements in forming and shaping sheet metal parts by means of rolls
IPC: B21D22/10
Filed: 1943-03-29
Abstract: 564,598. Rolling sheet metal to tubular and other forms. JOHNSON, C. M. March 29, 1943, No. 5052. Convention date, Feb. 19, 1942. [Classes 83 (ii) and 83 (iv)] Sheet metal is rolled to tubular, moulded and other forms of regular or irregular cross-section by passage, together with a mandrel or die of the shape required, through a roll pair, one of which is of rubber. As illustrated a channel section is to be formed, of the shape of five sides of a hexagon. The mandrel 18 and a supporting platen 19, with which it may be integral, is passed through a guide 20, Fig. 3, bolted to a table 26 in front of the rolls, together with the sheet 25. The lower roll 6 is a steel roll, but the upper roll has a deep rubber shell 8 bonded to the core 8<1> and confined between flanges 11. The rubber is so deformed as to press the sheet into close contact with the mandrel as shown in Figs. 7 and 8. A second guide located at the rear of the rolls is shaped to suit the platen and the formed stock. The lower roll is fixed in the housing, is driven at 15 from a motor 13, and drives at 171 a pump 17 for supplying fluid pressure to the pass adjusting piston for the yoke 12 supporting the rubber roll, trunnions 9 extending into guiding slots 10 in the main housing.
Patent GB-1013606-A (GB)
Title: Process for the production of built-up printed circuits
IPC: H05K3/42
Filed: 1964-02-06
Abstract: 1,013,606. Printed circuits. SIEMENS & HALSKE A.G. Feb. 6, 1964 [Feb. 6, 1963 (2)], No. 6088/64. Heading H1R. A printed circuit is formed on an insulating carrier 1 by a process comprising the following steps: (a) A first adhesive layer 7, e.g. a mixture of polyamide and epoxy resins, and a second adhesive layer 8, e.g. a synthetic rubber adhesive, are applied to the roughened major surfaces of the carrier 1, by brushing, spraying, or a centrifugal process, and are hardened; (b) Holes 3 are provided where required in the carrier, as by drilling; (c) The carrier is pre-activated and seeded with tin and 'palladium; (d) A layer 9 of copper is applied by an electroless process, e.g. reduction, and consolidated and thickened by electrolysis;  (e) Stencils 12 are applied to the carrier surfaces to define the desired circuit pattern; (f) Parts of layer 9 exposed through stencils 12 are thickened by electrolytic deposition of copper 13 and an etch-resistant metal 14, e.g. gold, silver, rhodium.  (g) The stencil is removed and the unwanted portions of copper layer 9 are etched away. When a single-sided circuit is required, the copper layer on the reverse side may be removed electrolytically during step (f), or a pair of carriers may be stuck together during step (d) to prevent the formation of a copper layer on the reverse side.
Patent GB-219044-A (GB)
Title: Improvements in means for stopping the delivery of roving in spinning machines
IPC: D01H13/18
Filed: 1923-02-21
Abstract: 219,044. Sharp, P. Feb. 21, 1923. Delivery, stopping. - A manually operated mechanism for stopping the delivery of roving, embodies some of the features disclosed in Specification 125,682 including an arm a pivoted at a<1> and provided with a guide a<2> through which the raving x is guided to the feed rolls b, b<1> and drawing rolls c, c<1>. Adjacent to each roving x, a knob e on the end of a rod e<1> is provided, the rod e<1> being pivoted to a lever g formed with a finger g<1> which normally restrains a link i from movement. On breakage of a thread, or threads, the operator manipulates the corresponding knobs e, and for each thread the finger g<1> acts on a spring-controlled catch h and releases a spindle j and the link i. A weight j<2> pulls over the link i and with it the arm a so that the roving x is taken out of the nip of the corrugated part b<2> of the roll b into a groove b<3> in the roll b<1> and is simultaneously lifted clear of the drawing-rolls c, c<1>. When the arm a is moved back, the mechanism is automatically reset.
Patent GB-1562327-A (GB)
Title: Closure for a pressure vessel
IPC: F16J13/04
Filed: 1977-02-08
Abstract: For sealing off a pressure vessel (7), use is made of a cast closure element (3) which can be inserted into the container aperture. In order to guarantee little deformation under loading and security against malfunctions despite low production costs, the closure element (3) has, on its outer circumference (1), encircling groove-like recesses into which are inserted elements (4) which are used for the prestressing of the closure element (3). The closure element (3) is furthermore clamped against the pressure vessel (7) via retention devices (6) by means of a clamping spider (5), with the interposition of a sealing flange (8). <IMAGE>
Patent GB-802025-A (GB)
Title: Improvements in devices for driving doctor blades in photogravure printing presses
IPC: B41F9/10
Filed: 1956-02-20
Abstract: 802.025. Printing-machines. HEDEMORA VERKSTADER AKTIEBOLAGET. Feb. 20, 1956 [Feb. 18, 1955], .No. 5169/56. Class 100(2) Inking-mechanism. In a drive for reciprocating an intaglio doctor-blade, comprising a, piston reciprocated in a cylinder by fluid controlled by a pilot valve reversed by co-operation between a striker displaceable along a predetermined path and mounted on a member movable in synchronism with the piston, and a senser associated with the pilot valve and located in said path, either or both the striker and senser are arranged to be reciprocated continuously along their respective carriers at a substantially slower rate than that of the piston, so as to cause continuous deviation of the turning points of the doctor-blade along the printing roller between predetermined limits. The doctor-blade may be driven by a piston motor 24, 27, or fluid motors for a number of blades 1, 2, 3 may be coupled in series as described below. As shown the two ends 26, 29 of the cylinder 24 are connected by pipes 23-13 and 32 to a pilot valve 16 which couples them, respectively or not according to its position, to supply and discharge pipes 17, 33 of a fluid.pressure medium from a source 14; as the piston 27, driven by the pressure fluid, approaches an end position, one of the striker discs 44 on its rod 28 engages a sensing plunger 43 of a valve 41 or 42, thus admitting pressure fluid from pipe 48 or 46 to pipe 49 or 47 leading to the pilot valve 16, whereby the latter is reversed and the piston 27 is driven in the opposite direction; pressure fluid from the idle end of the pilot valve escapes through a restriction (not shown) in the conduits 51, 53. The valves 41, 42 are mounted on holders 54 driven slowly, parallel to the rod 28, by a screw device 56 rotated through reduction gearing by an electric motor 57; the shaft 56 may rotate continuously in one direction if it has crossing left- and right-hand threads with a transfer mechanism to switch the holders 54 from one thread to the other, alternatively, if it has single threads, a pole reverser 58 periodically reverses the motor 57, and the threads may be both of the same hand to maintain a constant distance between the valves 41, 42, or of opposite hand as shown to move the valves alternately towards and away from each other. Instead of the screw device 56, a cam device driven by the printing machine or from a separate power source may be used. The discs 44, in addition or alternatively to the holders 54, may be similarly driven along the rod 28. A valve 63, e.g. automatically actuated by an electromagnet 65 when the printing roller stops, enables the blade drive to be stopped. A single control for the doctor-blades 1, 2, 3 of a number of printing rollers may comprise cylinders 6 connected in series with the cylinder 24: a valve 22 connects the pipe 11 of each cylinder 6 to the pipes 12 or 23 for actuation of the respective blade, or provides a straight-through path via a pipe 21 if the drive to its blade is to be cut out.
Patent GB-285510-A (GB)
Title: Method of and apparatus for cleaning soot-channels
IPC: F23J3/02
Filed: 1928-02-18
Abstract: 285,510. Lanfers, A., and Landman, J. Feb. 18,1927, [Convention date]. Cleaning, fluid pressure processes for. - An apparatus for cleaning the soot-channels of ovens, boilers, &c. comprises a brush and suction nozzle shown in Fig. 3 which are passed through the sootchannel, the air and soot being drawn through a flexible tube to the entrance h of an apparatus for taking the soot out of the air. This apparatus is connected at k to a water tap, which is kept continuously running, the water running out at f. The soot is exhausted from the air as it bubbles through the water and passes through a watertrap g to the exhaust pump.
Patent GB-1446494-A (GB)
Title: Melt cycle control system
IPC: A47J37/12
Filed: 1974-02-05
Abstract: 1446494 Melting fat in cooking apparatus; burners FRYMASTER CORP 5 Feb 1974 [5 Feb 1973] 05236/74 Headings F4X and F4T In a cooking apparatus 10 comprising a frypot 24 containing shortening heated by a number of gas burners 38, melting of the solid shortening prior to a cooking operation is controlled by means of a control system 60 serving to intermittently operate the burners 38 and thereby prevent the development of hot spots which scorch the liquid shortening. The control system circuitry comprises a timer motor 70, an element 68 responsive to the presence of melted shortening at a predetermined level X in the frypot, a by-pass switch 72, and a solenoid 80 which is energized through a high limit thermostat 82 and an operating thermostat 84 whenever the switch 72 contacts a terminal 74 and is de-energized when the switch contacts a terminal 76. The solenoid 80 includes a plunger 86 mechanically coupled to a valve 88 which controls the flow of gas supplied to the burners through a passageway 90, gas flowing to the burners whenever the solenoid is energized. Upon sensing the presence of warm liquid shortening, the element 68 functions to open the circuit path to the timer motor 70, and operation of the cooking apparatus is continued under the control of the high limit thermostat 82 and operating thermostat 84. A detailed description of the burners 38, forms the subjectmatter of Specifications 1,401,218 and 1,401,219. In an alternative embodiment, electric heating means may be used instead of gas burners to heat the shortening.
Patent GB-777506-A (GB)
Title: Smoke cowl for engine sheds and the like
IPC: F23J11/02
Filed: 1955-02-22
Abstract: 777,506. Smoke collecting hoods. JAGER, R: Feb. 22, 1955, No. 5289/55. Class 25  A smoke cowl for engine sheds comprises a hood with a lower intake wide relative to the upper outlet aperture, and elongated in the longitudinal direction of the rail track, and a flat-shaped flap, or flaps pivoted in the hood to adjust the effective area of the intake aperture. In one embodiment, the hood 1, Figs. 1, 2, has bulbous sides 5, and leads through a collecting box 13 to a common outlet flue 2. The top of the collecting box 13 may incline upwardly to the top of the common flue. Flap valves 6, 7 are mounted in the ends of the lower part of the hood 1 and a valve 3 is pivoted in the outlet of the hood. In a modification, Fig. 4, a hood of rectangular cross-section with a flap 18 mounted at the mid point of its length is connected directly to an outlet pipe 15.
Patent GB-338461-A (GB)
Title: Needle for repairing knitted articles
IPC: D04B17/04
Filed: 1930-02-18
Abstract: 338,461. Vitoux, M. March 29, 1929, [Convention date]. Hand sewing-tools.-The sliding-latch needle for repairing " ladders " in knitted goods described in Specification 303,341, is modified by providing the latch 5 with a spring 6 fixed at one end 7 to the latch and at the other end to a collar 8 on the needle shaft 1. The spring constantly tends to return the latch to its " open " position.
Patent GB-807062-A (GB)
Title: Self-centering roll suitable for centering endless belts or strip
IPC: B65G39/071
Filed: 1955-01-27
Abstract: 807,062. Endless belt conveyers. UNITED STATES STEEL CORPORATION. Jan. 27, 1955 [Nov. 8, 1954], No. 5371/56. Divided out of 807,061. Class 78 (1). [Also in Groups VIII and XVI] A supporting roller adapted to maintain a moving strip or endless conveyer belt running centrally thereof has two or more portions rotating about axes which may be coincident or separate, the portions together supporting the belt over its width, each portion having its peripheral surface formed by a pair of surface sections one on each side of a transverse radial plane intermediate the ends of the portion and each of the surface sections being constructed in such manner that under load it will be deflected towards the axis of the portion and the transverse plane. In one form, Fig. 1, the roller consists of an axle 40 on which are mounted two portions 42, 44 each consisting of solid rubber or other resilient material and formed in its periphery on each side of a central transverse plane with slits 48 which are inclined towards the roller axis and away from the central transverse plane. In another form having three roller portions (Fig. 5, not shown) the roller portions have concave peripheries to support a troughed belt. In a further modification having five roller portions (Fig. 8, not shown) the portions are mounted on separate axles, those of the outer portions being above that of the central portion, to support a wide, deeply troughed belt. In another construction, Fig. 6, each roller portion is formed by a rigid rotatable part 94<SP>1</SP> on which a covering 94 of resilient material provided with the slits is bonded, the portions being mounted on separate axles 96, 100. In a further embodiment, Fig. 3, each roller portion consists of two parts 64 each having a rim 66 supported by a web 68 keyed to a shaft 58. Each rim and its supporting web is so constructed that inherent resiliency of the assembly will secure deflection towards the shaft 58 at the inner end of the rim and resultant continual tilting and inward movement under load. Reference has been directed by the Comptroller to Specifications 709,908 and 735,561.
Patent GB-124573-A (GB)
Title: A New or Improved Level.
Inventor: TWIGG ERNEST JOHN
IPC: G01C9/36
Filed: 1918-03-27
Abstract: 124,573. Twigg, E. J. March 27, 1918. Clinometers.-A level comprises concentric domes or spheres spaced apart and containing a liquid in this space with a bubble, float, or globule in the liquid. Fig. 2 shows a form in which the domes are arranged convex side upwards, the space between being filled with liquid, and a bubble d indicates the departure from the level. The exterior dome is transparent and the interior dome a carries a system of latitude and longitude lines. In another form, the domes are concave upwards, and the level is indicated by the position of a globule of mercury. The instrument may be mounted in a bracket provided with a mirror for viewing. A light may be provided which in the convex form may consist of an electric globe placed inside the inner hemisphere.
Patent GB-623994-A (GB)
Title: Improved froth flotation process and flotation agents therefor
IPC: B03D1/004
Filed: 1946-02-21
Abstract: In a froth flotation process there is present as the flotation reagent a mixture or solution comprising 1-1-3 trialkoxy butane and a dixanthogen or xanthic anhydride.  A reagent comprising ethyl-butyl-, isopropyl- or amyldixanthogen and 1-1-3 triethoxy butane, with or without a frothing agent such as pine oil, the xanthates or phosphocresylates, may be used to concentrate copper ores.
Patent GB-454152-A (GB)
Title: Improvements in or relating to release slips for suspended articles, such as aerial bombs and torpedoes
IPC: B64D1/04
Filed: 1935-02-20
Abstract: 454,152. Bomb - dropping hooks. STANFIELD, J. R. M., 8, Barnfield, Weston Lane, Woolston, Southampton. Feb. 20, 1935, No. 5501. [Class 9 (ii)] [See also Group XXV] Relates to a hook of the kind described in Specification 350,579 in which two claw-like members are pivotally mounted on a support, the lower ends of the members co-operating in the closed position to support the load, and wherein their upper ends are held apart in the closed position of the hook by toggle compression links, which are released by the sliding of a catch member between the links. According to the invention, the toggle links 8 lie past the dead-centre line in the closed position of the hook, and the catch member 9, which is guided between rollers 10, is adapted to be positively moved to cause the links to cross the dead centre by the movement of a plunger 13 moving in the same vertical line as the catch 9. The amount by which the toggle system can cross the dead-centre line is determined by an adjustable screwed sleeve 12 fitted in the top portion of the carrier 1. In a modification (not shown), the claw members may have a common pivot and release is effected by a toggle-breaking plunger actuated by the energizing of a solenoid.