baber/WOPTO huggingface dataset:
Patent GB-1011221-A (GB)
Title: Improvements relating to automatic control mechanisms
Inventor: HARTLEY FREDERICK WALTER
IPC: B23Q15/00
Filed: 1961-03-02
Abstract: 1,011,221. Electric analogue calculating. ELECTRIC & MUSICAL INDUSTRIES Ltd. Feb. 15, 1962 [March 2, 1962], No. 1567/61. Heading G4G. [Also in Division G3] In a programmed machine tool control system a parabolic interpolator A is fed with ordinate signals X 1 , X 2 , X 3  to produce at contacts a 0 -a 6  voltages proportional to closely spaced points on a parabola through the ordinates X 1 , X 2 , X 3 . Similarly, interpolator B produces voltages representative of closely spaced points on a parabola through X 3 , X 4 , x 5 . Sub-interpolation is effected by a linear interpolator comprising auto-transformers AT1, AT2 traversed by a brush F. A second shaft, not shown, carries four brushes B1-B4 traversing the contacts of the parabolic interpolators. The output from brush F comprises a command signal to a machine tool cutter mechanism. A transformer 3 has primary windings 1, 2 connected in parallel with the auto-transformers AT1, AT2 and secondaries 4, 5 so connected that the output voltage equals the change between alternate co-ordinates. This voltage #x is applied to a stator winding 6 of a resolver 7. The other stator winding 8, ni space quadrature, has applied to it a voltage #y. The rotor of the resolver is geared to a servo-motor positioning a cutter radius compensating arrangement 14. The output of a rotor winding 9 is fed through an amplifier 11 and an amplifier 12, gain controlled by a quadrature winding 13 to the servo-motor 11 which rotates the rotor of the resolver 7 until the output of the winding 9 is zero. The output of the amplifier is also fed through an amplifier 15 to a phase-sensitive detector 16, the output of which is a positive signal proportional to the angular error of the rotor. This positive signal is fed to a valve circuit 17, arranged to be non- conducting until a predetermined input is reached, when a relay is operated to stop the machine. Since the interpolators move in discrete steps the voltage applied to the valve circuit 17 will rise sharply when #x, #y change valve and be reduced gradually as the resolver 7 is repositioned by the servo-motor 10 so that when a corner has been wrongly programmed the voltage applied to the valve circuit 17 rises above the predetermined input to operate the relay and stop the machine. Specifications 796,994, 830,461 and 863,114 are referred to.
Patent GB-139639-A (GB)
Title: Improvements in and relating to the cushions of billiard tables and the like
IPC: A63D15/06
Filed: 1919-03-26
Abstract: 139,639. Burroughes & Watts, (Acland,. E. H.). March 26, 1919. Billiards, tables for.-To act as a cover for the joint between the frame b of the billiard table and' the block c, and to prevent undue pressure from separating them, the plate a. which is secured to the frame, is formed with the trough-like portion a<1> which fits a correspondingly-shaped depression in the block. The depression also contains the usual fillet d and secures the cloth over the rubber cushion f. The plate a extends over the cushion and thereby protects the joint between them. By entirely covering the frame with the plate, damage by smouldering cigarettes &c. is prevented. The plate, however, may extend over a portion of the frame. By passing over the ends of the frame, the ends are also strengthened..The plate is secured to the cushion block by screws in the trough. A veneer may be placed over the bondforming plate.
Patent GB-287089-A (GB)
Title: Improvements relating to electric vacuum tubes
IPC: H01J21/06
Filed: 1928-03-12
Abstract: 287,089. British Thomson-Houston Co., Ltd., (Assignees of Pike, 0. W.). March 14, 1927, [Convention date]. Vacuum tubes.-A valve has a cylindrical, flanged anode supported by members extending from diametrically-opposite stems into a flange or flanges on the anode, one of the supporting members being in slidable engagement with the anode. As shown, the anode consists of channel sections 18 secured together to form a cylinder with radial flanges 17, and is mounted on leads 20 on a stem 5 transverse to the stems 3, 4; supports 23, mounted in a stem 5<1>. extend partly into slots in a flange and allow slight movement of the anode. Wire braces 22 may connect the flanges. A filament 6 is mounted on the stem 3, and a control grid 8 is mounted on the opposite stem 4. A shielding grid 13 is provided at the ends with collars 14, one of which is rigidly fixed to the stem 3, and the other slides over the stem 4. A getter 25 may be supported from one of the levers 20.
Patent GB-138216-A (GB)
Title: Improvements in or relating to needle scouring or polishing machines
IPC: B24B19/16
Filed: 1919-03-27
Abstract: 138,216. Baylis, C. E. March 27, 1919. Agitating articles for polishing by mutual rubbing.-In a machine for scouring or polishing needles &c., of the kind in which the needles, made up in packets or bundles with emery and oil, are subjected to a rolling action and pressure by a set of three rollers and in which a kneading action is produced by movement of the two lower pressure rollers, these are moved slightly apart against the action of springs &c. by the form of gearing employed for driving them. In the construction shown in Fig. 1, three sets of pressure rollers are employed, and the lower pressure rollers a<2>, or the two inner rollers a<2>, are mounted with their bearings slidable in horizontal guides in the frame of the machine and are moved slightly apart, against the resiliency of the packets or against springs, by means of elliptical spur-pinions c, mounted between and in gear with circular pinions b carried by the roller spindles. The spindles of the elliptical pinions are rotated by means of a chain d engaging sprocket-wheels g on the spindles; or the rollers may be driven by a chain passing over sprocketwheels on the spindles of the two outer rollers and held in gear therewith by spring-actuated jockey-pulleys. The upper pressure rollers a are pressed down by means of a weighted platform h adapted to be depressed by means of a hand-lever i, which carries a tooth i<2> adapted to engage a pivoted rack e whereby the lever is locked ; pressure of the hand on a bell-crank lever m releases the rack from the tooth and frees the lever. In a modification, elliptical spur-wheels are employed on the ends of the roller spindles, with intermediate circular pinions. Examples are given in the Specification of the approximate relationship between the diameter of the packets and the distance between the axes of the lower pressure rollers necessary to obtain the best results.
Patent GB-1500844-A (GB)
Title: Sub-trochanteric nail
IPC: A61B17/72
Filed: 1976-02-27
Abstract: 1500844 Fluted intermedullary nail SAMPSON CORP 27 Feb 1976 [12 Jan 1976] 07791/76 Heading A5R An intermedullary nail comprises a relatively short, wide part 12 and a relatively long, narrow part 11. The parts both have longitudinal flutes 24, 15 that extend beyond their ends and terminate in cutting edges 16. Inclined ports 17 may be provided at the base of each cutting edge to remove bone chippings into the hollow interiors of the parts. The parts may be formed integrally or separately in which case they can be connected with the aid of extension 19 as shown in Fig. 6, and by electrowelding as shown in Fig. 4. A cap 26 may be provided. The flutes may incline rearwardly at their rear ends. A onepiece or two-piece guide nose 13 may be provided and the part 11 may have a radius of curvature of 127cm.
Patent GB-792265-A (GB)
Title: Improvements in or relating to electric heating elements and to methods of making same
Inventor: RYCROFT JOHN LAMBERT
IPC: H05B3/20
Filed: 1955-03-17
Abstract: 792,265. Electrically-heated panels. GENERAL ELECTRIC CO., Ltd. March 19, 1956 [March 17, 1955; May 18, 1955], Nos. 7833/55 and 14398/55. Class 39(3) A fabric woven from heat resisting dielectric material, e.g. glass, asbestos &c., and to which a resistance wire is attached or woven, is of corrugated, form and is coated or impregnated with synthetic resin which renders it substantially rigid at and below the operating temperatures. Alternatively one or more coterminous layers e.g. of woven fabric is or are thus coated and applied to the fabric. In Fig. 1 the fabric 1 with a resistance wire 2 is sandwiched between woven fabric layers 5, 6 coated with an unhardened polyester resin, and the assembly is positioned in a press and moulded to form a rigid corrugated element. Terminal wires 3 and tapping wires 4 are connected to the wire 2 so that one or more heater sections may be energized. Other synthetic resin materials such as silicones, phenolic resins and epoxy resins may be used and the hardening may be hastened by an accelerator. A space heater Fig. 3 includes a corrugated heating element 8 within a surround 11, and holes beneath the element allow air to pass upwardly between front and rear panels 14 and to flow over the element. A thermostat controlled by a disc 15 is provided. By using three layers of glass fabric and a synthetic resin which is transparent or translucent after hardening, the heating element may be illuminated by a coloured light.
Patent GB-1302091-A (GB)
IPC: F26B13/20
Filed: 1970-02-19
Abstract: 1302091 Feeding webs TEC SYSTEMS Inc 19 Feb 1970 [27 Feb 1969] 7906/70 Headings F4G G18J and G11A A web or sheet 9 having, for example, a printed or coated surface is supported during its passage through treatment apparatus 19, e.g. a drier, by gas cushions produced by a series of nozzles 17, 18 which are designed to utilize the Coanda effect. The nozzles may be positioned on one side only of the web, and suitable nozzle constructions are described with reference to Figs. 3 to 15 (not shown) and 16.
Patent GB-782136-A (GB)
Title: Improvements in and relating to fuel injection internal combustion engines
IPC: F02B19/08
Filed: 1955-03-18
Abstract: 782,136. Fuel injection engines. KRUG, H. March 18, 1955 [March 20, 1954], No. 7931/55. Addition to 749,825. Class 7(3) Fuel from an injector 6 is sprayed immediately as a thin film on to the wall of a precombustion chamber 3 from which it is vaporized by the air therein set into rotation by plurality of tangentially arranged passages 4 leading to the cylinder space. The air entering the cylinder may also be set in rotation to assist the rotation in the precombustion chamber and the spraying orifice of the nozzle 6 is arranged close to the precombustion chamber wall. An incandescent igniter 11 may be provided for starting.
Patent GB-214228-A (GB)
Title: Fish hook
IPC: A01K83/00
Filed: 1924-03-28
Abstract: 214,228. Caduff, A. April 10, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Fish-hooks. - An elastic barb b is fixed above the curvature - of the hook to prevent natural bait from slipping down as the hook is rapidly drawn through the water. The barb is fixed by soldering, welding or in any other manner.
Patent GB-1049798-A (GB)
Title: Improvements in continuously operating apparatus for crystallisation by evaporation
IPC: B01D9/00
Filed: 1964-02-26
Abstract: 1, 049, 798. Crystallisation by evaporation. SOCIETE FIVES LILLE-CAIL. Feb. 26, 1964 [Feb. 27, 1963], No. 7990/64. Heading B1B. A solution, e.g. syrup, is continuously crystallized by feeding it into the end compartment 13 of a number of compartments 13, 14, 16 of a horizontal, cylindrical tank, a cluster of parallel, vertical, heating plates 2 arranged in the compartments assisting in the circulation of the solution from compartment to compartment and causing the solution in which the crystals are suspended to undergo evaporation. A controlled supply of the solution is supplied to each compartment, and necessary seed is introduced through a metering pump 27 into compartment 13. The heating plates cause the solution to flow in direction of arrows 11 and 12, spaces 7 and 8 allowing the solution to descend on either side of the cluster. The cluster may be in two parts 1 and 4 extending the length of the tank and fed with steam at different pressures, or may consist of plates arranged parallel to partitions 15 which define the compartments. A worm 19 advances the crystals to hopper 20 for removal, and an overflow 26 controls the height of solution undergoing crystallization. The supply and extraction of the solution and crystals is controlled and the cross-section of apertures 17 and inclination of the deflectors 18 on the particles which assist in the circulation are adjustable. Valve 30 controls the pressure within the tank.
Patent GB-1056773-A (GB)
Title: A guide for entering ringed pistons into their cylinders
IPC: B25B27/12
Filed: 1964-02-26
Abstract: 1,056,773. Compressing piston rings. C. E. WILLIAMS. Feb. 26, 1964, No. 7992/64. Heading B4W. [Also in Division E2] A device for entering ringed pistons into their cylinders comprises a tapering assembly made up of a number of flexible tubular members 1 equally spaced around connecting rings 2, 3, 5, each tubular member having a steel spring strip 6 attached on its inner face and near its lower end. The members 1 are adapted to flex about the intermediate ring 5 when the piston is pushed through the tool, the flexing movement causing the springs to move inwards at their free ends to bear on the rings of the piston. The spring 6 instead of having a hook end 7 which hooks through an opening 8 in the wall of the member 1, may be connected to such wall by a rivet. In another modification, Fig. 4 (not shown), the connecting ring 3 is tensioned by pulling it down into the tubular components by means of wing nuts 11 which screw on to tension rods 12.
Patent GB-1031102-A (GB)
Title: A method of and apparatus for the hydrolysis of proteins
Inventor: GRITTON RICHARD DENNIS
IPC: A23J3/30
Filed: 1964-02-26
Abstract: <PICT:1031102/C3/1> An apparatus for the continuous hydrolysis of proteins comprises a number of flat chambers 19a and heating units 19c set up alternately, said chambers being connected in series from input to output, each one being formed as a labyrinth so that liquid forced thereinto is constrained to move along a narrow circuitous path of a cross-section such that the flow-through is substantially evenly maintained. The heating units may comprise hollow plates having inlets 19f and outlets 19g for steam, and through passages 19e to allow the interconnection of the labyrinth chambers.  The protein to be hydrolysed is premixed with hydrochloric acid and held at an elevated temperature until liquefied, then fed to the apparatus shown.
Patent GB-1263088-A (GB)
Title: Boron nitride-containing vessels coated with ti-si alloy
IPC: C23C14/24
Filed: 1969-02-14
Abstract: 1,263,088. Coated refractory evaporation vessels. UNION CARBIDE CORP. Feb.14, 1969 [July 3, 1968], No.8028/69. Addition to 1,174,738. Headings C7D and C7F. A vacuum evaporation vessel e.g. for evaporating Al, comprising at least 20% BN and the balance a refractory such as TiB 2 , ZrB 2 , AlN, TiN, CaF 2  has at least apart of its evaporation surface coated with a Ti-Si alloy. The coating alloy which preferably contains 40-80% Si is applied either by flame spraying or as a slurry in xylene which is then fired at 1400-1500‹C. The vessel preferably contains 20-80% BN and the preferred coating alloy contains 56% Si-44% Ti.
Patent GB-829299-A (GB)
Title: Improvements in or relating to girders, columns or the like
IPC: E04C3/07
Filed: 1956-03-15
Abstract: 829,299. Metal girders. LEWIS, E. M. June 17, 1957 [March 15, 1956], No. 8129/56. Class 20(2) An I-section girder has two corrugated webs as shown joined to the flanges by automatic welding. The corrugations may be curved.
Patent GB-273010-A (GB)
Title: Improvements in loose leaf ledgers or temporary binders
IPC: B42F13/00
Filed: 1926-03-26
Abstract: 273,010. Stone, H. B., Jones, P. H., and Cox, C. H. S. March 26, 1926. Drawings to Specification. Sheet material, binding edges of.-The edges of covers of loose-leaf ledgers &c., made of indiarubber, vulcanite, vulcanized fibre, celluloid, &c., are bound with strips of metal preferably set in recesses in the inner and outer faces.
Patent GB-433161-A (GB)
Title: Improvements in or relating to pads for use with horse shoes
IPC: A01L7/02
Filed: 1934-03-17
Abstract: 433,161. Horseshoes. GRAY, B. P., 14, Suffolk Street, Birmingham. March 17, 1934, No. 8410. [Class 67] The thin plate 12 carrying the pad 10 as described in Specification 170,477, [Class 67], is prevented from forward movement by overlapping studs 16, by tongues struck-up from the horseshoe, by two of the ordinary securing nails, or by one or two studs 21 passing through corresponding slots 20 to allow for the sliding of the plate endwise. Specifications 113,988, 160,984, [both in Class 67], and 379,086 also are referred to.
Patent GB-268388-A (GB)
Title: Improved apparatus for feeding sheets to printing or like machines
IPC: B65H9/06
Filed: 1927-03-28
Abstract: 268,388. Marinoni (Machines et Materiel pour l'Imprimerie et les Industries Annexes), Soc. Anon. March 26, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Sheet-registering devices; feed-tables; sheet carriers.-In a sheet-feeding device for printing or like machines of the kind in which the sheets are fed by tapes and then pass under the influence of a speed-reducing device before reaching the front registering stops, improved registration of the sheets is obtained by relieving the sheets of the action of the forwarding tapes 5 before the front stops 1 are raised. Also a sheet-holding device is lowered to prevent movement of the sheet in the brief interval between the raising of the front stops 1 and closing of the gripper 3 of the impression cylinder. The tapes 5 preferably pass over pulleys 9 carried by oscillating arms 11 operated by a cam 13, and the pulleys are depressed to lower the tapes out of contact with the sheets at the desired time. The sheets then engage fixed strips 20 forming part of a feedtable comprising also a front part 23 fitted with lateral sheet-registering devices. The tapes pass over a fixed pulley 8 which limits the length of tape lowered, and prevents oscillation of the whole length of tape when the pulleys 9 are lowered. The strips 20 can be adjusted by eccentrics 22 to co-operate with tapes of different thickness, and as an alternative to lowering the strips 20 can be raised to lift the sheets out of the action of the tapes. The holding-device comprises a pair of spring-pressed plungers 37, Fig. 5, fitted with spring-pressed balls 32 which project through flanges 31 in the bottom of the plungers and are acted on by other balls 32<a> controlled by springs 32b adjustable by screws. The plungers 37 are depressed by the action of oscillating bell-crank levers 29 operated from a lever arm on a sleeve 34 which is oscillated by cam-and-lever mechanism shown diagrammatically at D, E, F, G, Fig. 2.
Patent GB-1004113-A (GB)
Title: Improvements in or relating to fountain pens
IPC: B43K5/04
Filed: 1962-03-06
Abstract: 1,004,113. Reservoir pens. G. A. RUBISSOW. March 6, 1962 [March 6, 1961; March 13, 1961], No. 8697/62. Heading B6P. The collapsible reservoir of a fountain pen, made of a material such as latex rubber, which is sufficiently thin to allow the reservoir to collapse when a quantity of ink is used, thereby obviating the necessity of allowing air to enter the reservoir, is provided with magnetically attractable means attached to or embedded in the material of the reservoir. The reservoir is in two parts or halves, the halves being formed by dividing the reservoir along a longitudinal plane of the pen. One half of the reservoir is attached to a reinforcing member to prevent that half collapsing. The reinforcing member may be a separate curved plate 45, Fig. 3, of thin unmagnetizable material attached to the inside surface of the barrel wall 20; or part of the barrel wall adjacent the reservoir. The angle α, subtended by the plate 45 is no greater than 180 degrees. As an alternative, part of the barrel wall 20 may form half the reservoir as shown in Fig. 9. The magnetically attractable means, 44 in Fig. 9, are attached to or embedded in the other half of the reservoir and are arranged in such a manner as not to interfere with the self-collapsing of the reservoir as the ink is used. The barrel of the pen is provided with air vents, such as 40 in Fig. 9, to compensate for change of volume of the reservoir within the barrel. When the ink has been used, the reservoir 27 is in a collapsed state, as shown in broken lines in Figs. 3 and 9. With the nib of the pen placed below the surface of the ink in a bottle, when a magnet 46 is moved adjacent the side of the barrel opposite the reinforcing means, from the writing point to the opposite end, the reservoir is attracted to its original inflated position, thereby filling the pen with ink. The magnetically attractable means may take the form of longitudinally extending strips 44 or wire attached to the outside or inside surface of the reservoir, or embedded in the walls thereof; small pieces scattered on the inside or outside surface; or magnetically attractable powdered material embedded in the walls of the reservoir.
Patent GB-1103627-A (GB)
Title: A combination breathing valve and speaking diaphragm unit
IPC: A62B18/10
Filed: 1966-02-28
Abstract: 1,103,627. Breathing valve/speaking diaphragm unit AUERGESELLSCHAFT G.m.b.H. 28 Feb., 1966 [1 March, 1965], No. 8701/66. Heading AST. A combination breathing valve and speaking diaphragm unit for a breathing mask is illustrated with reference to Figs. 1, 4 and 5, and comprises a housing 3 having a side wall adapted to be sealed in an opening in mask 1, the housing having a wall 'at one end but being open at the opposite end, a speaking diaphragm 6, 7 mounted in the housing adjacent its open end, the end wall of the housing having an opening 10 therethrough in which an inhalation valve is mounted, the side wall of the housing being provided between the valve and the diaphragm with at least one outlet port 15 providing a passage to the interior of the mask, and an upright partition wall 20 in the housing between the port(s) and the diaphragm but spaced from the diaphragm to form a chamber 21 between the wall and the diaphragm, the end wall being provided with a voice-transmission opening 24 beside the valve opening, and the housing being provided with an internal passage 23 connecting the voice opening with the chamber, but separated by the partition wall from the passage through the outlet ports 15 to the interior of the mask.
Patent GB-1425098-A (GB)
Title: Sublimation transfer dyeing
IPC: D06P5/13
Filed: 1973-02-22
Abstract: 1425098 Anthraquinone dyestuffs TOPPAN PRINTING CO Ltd and TOYO INK MFG CO Ltd 22 Feb 1973 [23 Feb 1972] 8847/73 Heading C4P [Also in Division D1] Dyestuffs of the formula (wherein X is CH 3  or C 2 H 5  and is ortho or meta to -NH- and Y is H, CH 3 , OCH 3 , F or Cl) are prepared by reacting compounds of the formula  (wherein Z is NO 2  or a halogen) with appropriately aubstituted anilines. Alternatively, in place of the nitro- or. halo-anthraquinone there may be used a leuco compound of a trihydroxyanthraquinone followed, when necessary, by treatment with a weak oxidizing agent. The dyestuffs are used as components of inks for transfer printing, to impart blue shades.