baber/WOPTO huggingface dataset:
Patent GB-911196-A (GB)
Title: Method and apparatus for bending glass sheets
IPC: C03B23/027
Filed: 1961-04-07
Abstract: 911,196. Bending glass sheets. PERMAGLASS Inc. April 7, 1961 [April 11, 1960], No.12682/61. Class 56. In the bending of a glass sheet in an outline mould, the horizontally supported sheet is heated in a furnace to soften it until the centre of the sheet sags into a chosen reference plane defined by parts fixed to the mould, such moment being automatically detected and signalled to thereby automatically initiate stopping of the heating at that moment. As shown, a beam of light 35 from a light source 34 in an opening 33 in one furnace wall 31,passes under a sheet of glass 26 on the mould 10, when in the flat open position thereof, to strike a photo-electric cell 36 in an aligned opening 33 in the opposite wall 32. The lower part of the beam 35 is cut off by a plate 37 secured adjustably on the cross-strut 22 of the mould 10 and the top edge 40 of which constitutes the reference plane for the particular mould according to the degree of bending required. As the glass sheet 26 sags downwardly the beam 35 is cut off and the cell 36 initiates movement of the mould out of the furnace. As disclosed, each mould 10 is supported by a frame including girders 21, the cross-struts 22 and rails 23 which act as riders on rollers 24 mounted in the furnace. The moulds 10 are pivotally secured to a conveyer chain 25 intermittently driven to pass the moulds through the furnace. The beam 35 is positioned at the last station in the furnace and the electric circuit operates to open both end doors, move the conveyer through one position, so that the bent sheet on the last mould is moved out of the furnace and a new mould with flat sheet thereon is moved into the furnace and finally to close both end doors. The mould 10 comprises centre sections 11 with end sections 16, 17 pivoted thereto at 27, the end sections being biased to the closed position of the mould by weights 29 suspended by cables 30 stretched over sectors 28 welded to the end sections. The sections each comprise inner and outer rails 14, 13 rigidly connected by crossbraces 15, the inner rails forming the shaping surface.
Patent GB-638473-A (GB)
Title: Improved strap hinge for metal windows
IPC: E05D15/30
Filed: 1948-05-10
Abstract: 638,473. Hinges. CADBY, J. A. J. May 10, 1948, Nos. 12741/48 and 497/50. [Class 65 (ii)] Reversible hinge fittings which comprise a strap G pivoted at one end L to a window B and at the other end J to the frame A, and a pivot F on the window engaged slidably in a guide C on the frame, are characterised in that the pivotal axis at the end J of the strap coincides with the axis of the pivot F when the window is closed, the arrangement being such that the window must be opened through an angle of 90 degrees before sliding can take place. The upper and lower hinge knuckles J are preferably connected together by a common pivot. The straps are stepped to provide clearance between the knuckles J and lugs E which carry the pivots F.
Patent GB-1105772-A (GB)
Title: Process for hardening polyepoxides
IPC: C08G59/68
Filed: 1965-03-25
Abstract: Polyepoxides are hardened with compounds containing at least two functional =NH or -NH2 groups having dissolved therein an alkali metal halide, sulphate, borate phosphate or phosphite, an alkaline earth metal halide or nitrate, MnSO4, MnCl2, SnCl2, FeCl2, Pb(NO3)2 Al2(SO4)3 or Al(NO3)3.  The hardener may also contain a solution promoter for the salt such as an alcohol, an alkyl ether of a polyhydric alcohol, an amide, dimethyl sulphoxide, tetramethylene sulphone and water.  The curable mixtures are useful casting and lacquer resins, coating compositions and adhesives.
Patent GB-627648-A (GB)
Title: Improvements in or relating to the production of ammonium persulphate solutions
IPC: C25B1/28
Filed: 1947-05-12
Abstract: 627,648. Electrolyte production of ammonium persulphate. LAPORTE CHEMICALS, Ltd., (formerly LAPORTE, Ltd., B.)., WOOD, W. S., CLENNETT, G., and HULLAND, H. L. May 12, 1947, No. 12827. [Class 41] In a process for the manufacture of acid solutions of ammonium persulphate by the electrolysis of acid solutions of ammonium sulphate the electrolysis cell has a substantially stationary catholyte which is maintained acid in reaction throughout the electrolysis and the cathode is surrounced by a porous ceramic diaphragm, the distance between the cathode and the inner surface of the diaphragm not exceeding 3 mm. at any point. The ceramic diaphragm is made of porous material which allows a certain leakage of liquid from the anolyte  of between 10 and 40 mls. of water per sq.dm. per minute. Preferably platinum anodes and graphite cathodes are used. The current density is preferably between 3 and 12 amps per sq. dm. of immersed diaphragm surface.
Patent GB-1204093-A (GB)
Title: Process for the treatment of hydrochloric acid waste pickle liquor
Inventor: TAYLOR ROBERT ALLEN
IPC: C01G49/08
Filed: 1969-03-11
Abstract: 1,204,093. Treatment of waste pickle liquor. WEAN UNITED Inc., and E. I. DUPONT DE NEMOURS & CO. 11 March, 1969, No. 12842/69. Heading CIA. A hydrochloric acid waste pickle liquor containing FeCl 2  and a lime slurry are simultaneously added to a reaction vessel, each being heated to a temperature between 180‹ F. and boiling point, air is bubbled through the mixture, which is agitated and maintained at a pH of 8-10 and a temperature between 180‹ F. and boiling point for at least 5 hours, and the resultant solid phase (Fe 3 O 4 ) and liquid phase (CaCl 2 ) are separated. The pickle liquor may also contain a mixture of hydrochloric acid and sulphuric acid. The lime slurry used normally contains 10 to 30% by weight of calcium hydroxide.
Patent GB-295437-A (GB)
Title: Improved means for producing modulated electric carrier currents
IPC: H03C1/52
Filed: 1927-05-13
Abstract: 295,437. Robinson, E. H. May 13, 1927. Thermionic modulating systems. - In a system of modulation for carrier-wave telephony and other purposes, the steady carrier wave is eliminated from the high - frequency output, which is algebriacally proportional to the instantaneous amplitude of the low-frequency or other input voltage. The high-frequency input is applied from a source O to the grids of two valves V1, V2, the plates of which are connected to opposite ends of the secondary coil of the low-frequency transformer T. The highfrequency side-bands, minus the pure carrier wave, are taken off from a tuned circuit L1, C1 connected through condensers C2, C3 to the valve plates. High-frequency chokes L2, L3 co-operate with the condensers C2, C3 to confine the highfrequency and low-frequency currents to their proper paths. Both currents may be of the same order of frequency, which may be in or beyond the audible range. At each reversal of phase of the signal voltage, one valve ceases to impulse the circuit L1, C1, and the other valve comes into operation. Consequently there is a change of phase of the high-frequency current in the circuit L1, C1 at each reversal of phase of the signal voltage.
Patent GB-1086784-A (GB)
Title: Improvements in metal cleaning
IPC: C23G1/10
Filed: 1965-03-26
Abstract: A metal surface is cleaned with an aqueous solution containing citric acid, an alkali metal tartrate and a fluoride.  Machined surfaces of Fe, Ni, Co and their alloys are treated, the fluoride acting as a complexing agent.  The cleaned surface may be metal coated by electro-deposition or by catalytic reduction.  If the surface is heavily oxidized or glass coated it may be first immersed in HF and H2O2.
Patent GB-1245564-A (GB)
Title: Improvements in or relating to platen printing presses
Inventor: DUBSKY VACLAV
IPC: B41F1/46
Filed: 1970-03-18
Abstract: 1,245,564. Inking apparatus. ADAMOVSKE STROJIRNY NARODNI PODNIK. 18 March, 1970 [19 March, 1969], No. 13002/70. Heading B6C. A platen printing press incorporates inking rollers 11, mounted on an oscillating arm, and the inking rollers 11 are brought into contact with a forme only when the stroke of the oscillating arm, which is limited by alternative stops, permits. The alternative stops may be turned by Bowden cables or other linkage from a lever 9, located on the feed table of the press, or by a handle attached to them.
Patent GB-383195-A (GB)
Title: Improvements relating to guides or bearings for rollers or cylinders of spinning frames and preparing machinery
IPC: D01H5/74
Filed: 1932-05-06
Abstract: 383,195. Bearing linings. KUPPEL, V., 25, Place des Allies, Masevaux, Haut- Rhin, France. May 6, 1932, No. 13104. Convention date, May 8,1931. [Class 12 (i).] The guide or support a for a roller or cylinder of spinning frames and preparing machinery has a renewable wear-resisting lining d having a substantially flat bearing face. As shown, the lining d, which is preferably of hardened or tempered chromium steel, is in sheet form and has lugs d<1>, d<2>, enabling it to be sprung on or off a supporting rib a<1>.
Patent GB-1601994-A (GB)
Title: Esters of prostan-1-ol derivatives methods for their preparation and compositions containing them
IPC: A61K31/27
Filed: 1978-04-04
Abstract: Prostane derivatives have the following formula <IMAGE> in which the substituents are defined in Claim 1. The novel compounds are prepared by appropriately esterifying corresponding prostan-1-ols in which free OH groups, with the exception of the 1-OH group, have optional intermediate protection. A further process is based on the reaction of the prostan-1-ols with isocyanates or with carbamoyl chlorides. The novel prostane derivatives are used in medicaments. They can be used for inducing an abortion, for cycle control, for induction of labour or for the treatment of hypertension.
Patent GB-131530-A (GB)
IPC: D06C17/02
Abstract: 131,530. Pollard, E. Dec. 19, 1918. Stop-motions.-A draught-board for milling or fulling machines is made in separate longitudinal portons a, a<1> recessed to receive a rectangular metal frame c having a rectangular opening, the frame and the two portions of the board having transverse openings to receive reversible bars i, which are secured by pivoted locking-bars l, l<1>, and the frame or the board as a whole also being reversible. The locking-bars engage grooves in the portions a, a' of the board and are secured in position by turn-buttons m, m<1>. The number of bars i can be varied.
Patent GB-376413-A (GB)
Title: Improvements in printing inks
IPC: C09D11/08
Filed: 1931-05-05
Abstract: 376,413. Ink. DREY, N., Beech House, Edge Lane, Stretford, Lancashire, and FREEDLAND, I., Earlston, Upper Park Road, Broughton Park, Manchester. May 5, 1931, No. 13217. [Class 146 (iii).] An aqueous vehicle for printing inks, particularly intaglio inks, is obtained by dissolving a natural resin in an alcohol, adding an alkyl hydroxy-amino compound, such as ethanolamine, diethanolamine, or triethanolamine, and diluting with water. Other organic solvents such as alkyl ethers and esters derived from ethylene and polyethylene glycols, e.g. ethylene and diethylene glycol monoethyl ethers, may be included. Alcohols derived from hydrogenated cyclic hydrocarbons, such as cyclohexanol, may be used. Casein may be added to increase viscosity. In examples: (1) shellac is dissolved in a mixture of triethanolamine, methylated spirit, and cyclohexanol, water is added and carbon black ground in; (2) rosin and Manilla copal are dissolved in methylated spirit, triethanolamine, diethylene glycol monoethyl ether and water are added, and pigment is ground in, or a watersoluble dyestuff is dispersed ; (3) rosin and colophony are dissolved in methylated spirit or ethyl alcohol and ethylene glycol monoethyl ether, triethanolamine, water, and a solution of casein in water containing triethanolamine are added.
Patent GB-749839-A (GB)
Title: Improvements in and relating to dynamo electric machine yokes
Inventor: DAVIES PERCY THOMAS
IPC: H02K1/14
Filed: 1953-05-12
Abstract: 749,839. Core constructions. HOPKINSON ELECTRIC CO., Ltd. May 12, 1954 [May 12, 1953], No. 13254/53. Class 35. [Also in Group XXII] A method of constructing the salient pole stator core yoke of a dynamo-electric machine, e.g. a D.C. motor or generator, a. rotary convertor, or an A.C. motor or alternator, comprises securing directly to one another, e.g. by bolts, screws g, or by welding, a plurality of separate ferrous metal plates a ... d to form an open-ended rigid square or rectangular boxlike structure, subsequently machining the axial end faces of all the said plates to receive and locate end plate members not shown, and securing, previously or subsequently to assembly of the structure, salient pole cores h to the internal faces of certain or all of the plates. As shown, the yoke comprises four plates, of cast iron or .preferably standard mild steel strip, which are also dowelled at the corners and have a spigot-receiving recess k at each' end for location of the end-plates. Feet f are secured to the lower plate c by the screws g and may also be welded thereto. The salient pole cores h, of standard round section mild steel bar, are fixed to the plates by screws j and have fixed thereto by screwing or welding pole shoes i which may be laminated. The internal faces of the plates are machined, and the pole core and shoe units are machined to a predetermined length to avoid machining on assembly. In modifications the cores are secured by welding, the yoke comprises only two plates, each of which is bent at right-angles to form two sides of the yoke, the yoke may be of the two-pole type.
Patent GB-134832-A (GB)
IPC: H04B1/16
Abstract: 134,832. Siemens & Halske Akt.-Ges. May 22, 1918, [Convention date]. Thermionic relays.-When several thermionic amplifying-valves are connected in cascade, with the filaments in series in a single heating-circuit, the grid potentials are taken from different points in the heating-circuit. The grids 1, 2, 3, 4 may be connected to different points of the heating- battery 5, Fig. 1, or of a potentiometer resistance bridged across the battery, or each grid may be connected to the negative side of the filament of the preceding valve, as shown in Fig. 2. The grid of the first valve may get its potential from a separate battery 7, Fig. 1, or from a resistance r', Fig. 2, in the heating-circuit.
Patent GB-491613-A (GB)
Title: Photometric instrument for measuring light values
IPC: G01J1/42
Filed: 1937-05-13
Abstract: 491,613. Photo - electric photometric apparatus ; thermionic valve relay circuits. TRUECOLOUR FILM, Ltd., WHALEN, F. C., and IVE, G. A. G. May 13, 1937, No. 13493. [Classes 40 (iii) and 40 (v)] Relates to photometric instruments for measuring light intensities and comprising a photo-electric cell P followed by a thermionic valve circuit, for example as described in Specification 472,147. According to the invention, the circuit is adapted to function as a " ticking " circuit or a " timing " circuit, being converted from one to the other by switches S, S<1> for measuring amount or intensity of light respectively. In the position of switches shown, the circuit operates as a " ticking " circuit, the relays R<1>, R<2> causing periodic pulses recorded in a counter C, the number of pulses being a measure of amolmt of light. When the switches are moved down to the opposite positions, the circuit operates as a timing circuit, the relay R<1> is continuously fed through resistance r<2> and thereby maintained in operation so that repetition of pulses is prevented, each operation must be initiated by manual operation of a switch Sw, and the duration of the pulse is recorded on a timing device Ti, which is started at the beginning of the pulse and stopped after a time which is a measure of the intensity of the light.
Patent GB-553536-A (GB)
Title: A new or improved mesh material for making temporary roads or aeroplane landing surfaces and the like
IPC: E01C9/08
Filed: 1941-10-21
Abstract: 553,536. Wire fabrics. DARLINGTON FENCING CO., Ltd., and FINDLAY, W. J. Oct. 21, 1941, No. 13521. [Class 45] [Also in Group X] Wire mesh material for forming temporary roads, aeroplane landing surfaces, fencing, reinforcing concrete and the sides and ends of table-type air raid shelters, &c. is reinforced by metal members interlaced diagonally therein and passing through the intersections of the wire strands. As shown, a track is built of rectangular mesh panels each formed of interwoven flattened helices 1 looped at the ends to form knuckles 4 at which a split ring 5 is provided for connection to a side chain 6 ; end links 7a of each chain 6 are threaded to receive right and left hand threaded nuts 8 for connecting adjacent panels. A flat steel bar 10 is threaded through the end helices of each panel. Steel reinforcing rods 11, 12 are interlaced diagonally along some or each series of aligned limbs of the helices, and where they contact the side chains 6, they are secured thereto by welding or twisting around the chains, or both ; where they contact the bars 10, they are secured as by welding them to one side of the bars, as at 14, or by hooking them over the bars, as at 15, and welding the hooked over ends thereto. End bars 10 of adjacent panels are preferably connected by hook bolts 16 passing through hook clamps 18 and held by nuts 19 Laterally adjacent panels are connected by sectional steel rods 20 threaded through loops 21 rigidly connected to some of the links of the side chains 6.
Patent GB-791342-A (GB)
Title: Improved arrangement for constraining the motion of a resiliently mounted device
Inventor: MANN ALAN
IPC: F16F15/023
Filed: 1955-05-10
Abstract: 791,342. Resilient mountings. BRITISH THOMSON-HOUSTON CO., Ltd. May 8, 1956 [May 10, 1955], No. 13537/55. Class 108(3) In a resilient mounting, a device 1 is constrained to a motion, which is translatory only, by three bellows 2. 3, 4, each fixed at one end to the device 1, and at the other end to earth, their longitudinal axes being so. oriented that any one axis is not in a .plane parallel to, or containing, the other two, and the other two are not parallel to each other. As shown, the three axes are mutually at right angles. There may be additional sets of three bellows each. to augment the mounting shown. Each bellows may be connected to atmosphere by a passage providing a pneumatic dashpot action. Each single bellows may be replaced by a pair of opposed bellows which are liquid-filled and connected by a liquidrestricting passage. The size of the passages may be adjusted. The mounting may be modified by the replacement of any one bellows by a pair of bellows acting along axes which are parallel to that of the replaced bellows. The bellows may provide the resiliency of the mounting.
Patent GB-118899-A (GB)
Title: Improvements in Current Motors.
Inventor: MUNN ARMSTRONG LOCKHART
IPC: F03B17/06
Filed: 1917-09-20
Abstract: 118,899. Munn, A. L. Sept. 20, 1917. Current motors.-The rotor blades 16 are fixed to a sleeve 11 rotatable about a fixed shaft 8, and are partly supported by rollers running on circular rails 21, 22. A rope pulley 23 is also fixed to the sleeve 11. A deflector plate 24 is partly supported on rails 27 and partly on a beam 28, by means of which it may be rotated and set in any required position. The beam 28 is supported on a rail 29, and may be locked by a latch 33. A curved plate sliding on the deflector plate 24 may be provided to mask the vanes of the motor. The whole motor is supported on a framed and braced structure placed on a foundation in the bed of the stream or other suitable place. This frame includes vertical posts 4, a rectangular upper frame 5, a pair of diagonal members 7, and bracings 6. The rails 21, 22, 27 are carried by the members 7, and the rail 29 by brackets 30 fixed on the posts 4. For tidal waters, the frame and the motor may be arranged for vertical adjustment.
Patent GB-1284373-A (GB)
Title: Ribbon winding mechanism
Inventor: CIALONE DAVID ROY
IPC: B41J33/26
Filed: 1971-05-07
Abstract: 1284373 Ink ribbon mechanism INTERNATIONAL BUSINESS MACHINES CORP 7 May 1971 [30 June 1970] 13616/71 Addition to 1,183,173 Heading B6F Ink ribbon mechanism includes a drive roller 16 engaging the outer turn of ribbon 12 on a take-up spool 14, the spool 14 being capable of tilting with respect to a spindle 13, and guide means 17, 19 are provided to limit displacement of successive turns of the ribbon axially with respect to the spool. The guide means 17, 19 may be in the form of flanges on the drive roller 16 as shown. The winding mechanism may be employed with thin ribbons in cartridges of the kind described in the parent Specification.
Patent GB-139963-A (GB)
Title: Improvements in diaphragm horns for vehicles and the like
IPC: G10K9/10
Filed: 1919-05-30
Abstract: 139,963. Freeman, D., and Jenkins, P. ' May 30, 1919. Diaphragm horns.-The diaphragm is vibrated by a number of balls or rollers located within a continuous race formed around the periphery or face of the striker-wheel. As shown in Fig. 2, the striker-wheel is formed by a pin of plates 7 having grooves 1 near their periphery in which the balls or rollers 4 are placed. In another form, a groove is formed around the periphery of the wheel and the bails or rollers retained therein by coverplates.
Patent GB-438098-A (GB)
Title: Improvements in running-on channels for cooling beds
IPC: B21B43/00
Filed: 1935-05-09
Abstract: 438,098. Rolling. SCHLOEMANN AKT.- GES., 13, Steinstrasse, D³sseldorf, Germany. May 9, 1935, No. 13723. Convention date, May 9, 1934. [Class 83 (iv)] The delivery rollers 2 of a cooling bed 1 provided with intermediate lifting flaps 4 are also provided with other lifting flaps 41 swing- able about the roller axles. Pull rods 8 operate all the flaps to lift forward the bar W as shown, the flaps having an arcuate back 9 to prevent the end of the bar from getting under a flap and so jamming. In the cross section of a double running-out channel, Fig. 3, two conical rollers 10 are mounted on an axle 3 and separated by a partition 11 the flaps being close to these partition walls. The flaps are connected with the hubs 12 on the axle 3 by conical collars 14.
Patent GB-438004-A (GB)
Title: Improvements relating to variable speed transmission gear
IPC: F16H29/04
Filed: 1935-05-10
Abstract: 438,004. Variable-speed gearing; epicyclic gearing. JENKINSON, W., 3, Albany Terrace, Trooper Lane, Halifax, Yorkshire. May 10, 1935, No. 13741. [Classes 80 (i) and 80 (ii)] A variable-speed gear comprises a swash plate b' which oscillates cranks b 9 which transmit drive through ratchet clutches to equidistant bevel wheels G meshing continuously with a bevel wheel H connected directly, or through an epicyclic multiplying gear h<4>, F, K, to the driven shaft L. The arrangement is such that the strokes of the cranks overlap to produce a continuous drive. In the form shown, the driving member B of the swash plate carries a roller b<7> engaging the inclined surface of a disc c, which is loose on the driving shaft A, and which is moved axially to tilt the member B to vary the speed-ratio. The disc c is connected through a thrust bearing c<3> to a sleeve c<2> splined at c<4> to the casing, and axially movable by an internally-screwed bevel wheel c<5> actuated by a hand wheel, not shown. The member b' of the swashplate carries three pins b<8> engaging the cranks b<9> which are integral with three discs b<10> supported on pivots fixed in the casing. Each disc b<10> is connected to its bevel wheel G through the freewheel clutch b<20>, shown in Fig. 6. To prevent over-running, one or more of the discs b<10> are connected to the bevel wheels G by epicyclic gearing, Figs. 6 and 8. Pins n<1> projecting from the disc b<10> carry planets n meshing with a sun N on the wheel G, and drive a loose internally-toothed ring n<2> at increased speed. The ring n<2> drives interengaging planets b<17>, b<16> mounted on pins b<18>, b<14> projecting from a ring b<19> secured to the wheel G. The planets b<16> are rigid with gears b<13> meshing with a sun b<12> on the disc b<10>. The relative speeds of the disc b<10> and gear G are thus determined.