baber/WOPTO huggingface dataset:
Patent GB-260671-A (GB)
Title: Improvements in dry gas meters
IPC: G01F3/22
Filed: 1925-08-05
Abstract: 260,671. Simpson, S. Aug. 5, 1925. Gas meters.-In a dry gas meter the crank pin n<3> operating the slidevalves i controlling the supply of gas to the diaphragms or measuring chambers carries the tangent arm p which has its greater part disposed radially in respect to the crank-shaft n and is provided with a slot p<4> to receive a radially adjustable tangent pin p<1>. The pin p<1> is pivotally attached to the connecting-rods q which communicate the movement of the flag wire arms d<4> to the crankshaft. The pivotal points of the rods q are preferably fitted with bushes q<1>, q<2>, q<3>. The spindle o of the indicating mechanism carries a worm-wheel o<1> which is rotated by a worm n<1> on the crank-shaft n. The slide valves i may be arranged above the valve plate e in the manner described in Specification 211,242, but in some cases a Y-shaped outlet passage may be provided below the valve plate. The flag wires d are preferably cranked at d<1> so as to clear the diaphragms when expanded and may be supported by ball or roller bearings mounted in oil baths. Spring stuffing and grease boxes may be provided at the upper bearing. The flag wires are connected to the diaphragms by levers f connected by a rod f<1> passing through self-adjusting bearings g<1> on the diaphragm disc g. Lateral oscillation of the diaphragms is prevented by means of bent rods i mounted in bearings a<1> at the bottom of the meter casing and formed with arms engaging bearings g2 on the discs g. The .diaphragms may be connected to the meter partition c in the manner described in Specification 260,685. In large gas meters square-sectioned .diaphragms may be employed.
Patent GB-792946-A (GB)
Title: A process for the preparation of paper having improved wet strength
IPC: C08G59/18
Filed: 1956-06-26
Abstract: Paper &c. is given high wet strength by incorporating 0.1 to 30 per cent of a polyether polyepoxide applied as an aqueous solution or emulsion together with a curing agent, the paper being dried and the polymer cured.  The polymer may be a polyglycidyl polyether of a polyhydric alcohol or of a polyhydric phenol and may have an epoxy equivalent of 1.1 to 4 and a molecular weight of 300 to 1000.  Curing agents may be polycarboxylic acids, e.g. citric, phthalic, oxalic, maleic, fumaric, phosphoric, boric, sulphonic or phosphonic acids, or perchloric or persulphuric acid, amino compounds, e.g. ethylene diamine, or inorganic salts, e.g. zinc, magnesium or copper fluoborate or potassium or copper persulphate.  The epoxy polymers include, e.g., 1,4-bis-(2,3-epoxypropoxy) benzene, 4,41 - bis - (2,3 - epoxypropoxy) diphenyl ether, diglycidyl ether, ethylene glycol diglycidyl ether, polymers obtained by reacting a polyhydric phenol with, e.g., 4 to 8 mols. excess of epi- or di-chlorohydrin, or by reacting either of the last two compounds with a polyhydric alcohol in an acid medium and subsequently treating with an alkaline compound.  In an example: (1) 150 parts of a polyepoxide polyether derived from glycerol, 7.5 of a polyethylene glycol monostearate and 150 of water were mixed together, and to the mixture were added 75 parts of a 5 per cent solution of partially hydrolysed polyvinyl acetate, 400 of water and 100 of 10.8 per cent zinc fluoborate solution.  Water was then added to give solutions of required percentages of resin for treating unbleached kraft paper.
Patent GB-478262-A (GB)
Title: Improvements in or relating to electron multipliers
IPC: H01J43/20
Filed: 1936-07-16
Abstract: 478,262. Electron multipliers. GENERAL ELECTRIC CO., Ltd., ALDOUS, W. H., FRY, D. W., and SIMMS, C. H. July 16, 1936, No. 19755. [Class 39 (i)] In electron multipliers of the type in which the electrons are guided between successive cathodes by potential electrodes co-operating with a magnetic field, the space between the potential electrodes 21 and the cathodes is closed almost entirely by making the cathodes 2 of channel form as shown to minimize dispersion of the electrons. The electrodes may oe arranged in a straight line or concentrically. In order to permit sensitization of the cathodes and also the admission of light to the cathodes when photo-electrically sensitive, the potential electrodes are provided with apertures 15, preferably crossed by wires to prevent a great distortion of the field; alternatively, they may be made of gauze. The required potential may be applied to the various electrodes through leads taken through the envelope or from a potentiometer included therein.
Patent GB-587140-A (GB)
Title: Improvements in or relating to apparatus for teaching correct golf strokes
IPC: A63B69/36
Filed: 1944-10-13
Abstract: 587,140. Games apparatus. COTTINGHAM, R. F. Oct. 13, 1944, No. 19774. [Class 132 (ii)] Apparatus for practising and teaching golf strokes comprises an upright column 2 on which is slidably mounted a support 4, and a club carrier 8 provided with clamping meansfor gripping the club shaft and attached to the support by a swinging joint, adjusting and locking means being provided to set the carrier in the desired position. The swinging joint comprises a main link 9 pivoted separately to an angularly adjustable support bracket 6 of the support 4 and to the carrier 8. An auxiliary link 13 pivoted to an extension of the bracket 6 and to an upwardly projecting lug 12 of the carrier 8 is also provided to give a forward and upward swing in a putting stroke. Angular adjustment of the carrier 8 is provided by the pivot 14 and the clamping screw 15. Slidably adjustable club holding clamps 16 are attached to the carrier as shown. The base 1 of the apparatus is provided with an adjustable indicator 19 while the upper part of the column 2 on which the support 4 is mounted is bent slightly towards the user.
Patent GB-906968-A (GB)
Title: Supporting roller arrangement for endless belt conveyors
IPC: B65G39/04
Filed: 1960-06-03
Abstract: 906,968. Idler roller assemblies for endless belt conveyers. FISCHER, A. June 3, 1960 [June 6, 1959], No. 19792/60. Class 78 (1). Each roller 1 of an idler roller assembly is provided with an annular web 1 which is rotatably supported on a flexible axle 3 and which is located on the axle by means of cylindrical spacer members 5 secured to the axle, the cylindrical surfaces 4a of the spacer members forming bearing surfaces on which slide bearing surfaces 4 formed on the roller. The return run of the belt may be supported on an idler roller assembly comprising a rotatable flexible axle 3a, Fig. 2, which is stretched between brackets 6 and which supports a single roller 1 located between spacer members 5, sleeves 5a being secured to the axle to form additional supporting rollers for the belt. The rollers 1 may be formed of synthetic plastic material, the axles may be formed of synthetic plastic material or rubber or may be in the form of wire cables coated with synthetic plastic material. The spacer members 5 may be formed of sheetmetal or of hard ceramics and are secured to the axles by means of clamps 8 or by being provided with an elastic lining 7 which produces a clamping effect.
Patent GB-151788-A (GB)
Title: Improvements in or relating to sliding-windows and the like
IPC: B60J10/04
Filed: 1919-08-13
Abstract: 151,788. Watkinson, A., and Beckett, Laycock, & Watkinson. Aug. 13, 1919. Vehicle windows; window holders for sliding sashes.-The trailing edge of sliding windows, of the kind in which the sliding element such as a sheet of glass is not provided with a frame, is provided with a sash member 15, Fig. 1, having a lip 17 which engages with a weather-rail 18, and the guides of the window are so formed that they are yielding and preferably resilient to allow the engagement and disengagement of the lip and weather-rail when the window is operated by a strap 19. The guides are preferably constructed as described in Specification 14688/14, and are secured only at or near their ends. Spring-pressed pads 30, Fig. 2, may be fitted to hold the window and are connected to a bar 31, which is operated bv a handle to release the window and is provided with a lug 33 which engages the sash member so as to release the lip 17 by the same movement. The weather-rail may be loosely mounted in the sill and pressed towards the window by a spring.
Patent GB-470941-A (GB)
Title: An improved machine for rolling rubber coagulum or other material in a plastic state
IPC: B29B7/56
Filed: 1936-07-18
Abstract: 470,941. Boiler - way conveyers. MORRISON, C. K. (Guthrie & Co., Ltd.) July 18, 1936, No. 19977. [Class 78 (i)] [Also in Group V] A machine for rolling rubber coagulum or other material in a plastic state has a conveyer, for supporting the material during its passage from one set 1 of rollers to another set 2, which comprises two plates 3, 4 pivoted respectively at 5, 9, and having the free end of the plate 3 resting on the free end of plate 4. The weight of both plates is counterbalanced by a mass 13 adjustable on a bell-crank 14 pivoted at 15,. the other end of the crank being forked and hingedly connected by a rod 16 to the plate 4. Both plates 3, 4 are provided with discs or rolls 16a. The plate 4 is disposed at approximately a right-angle to the lower roller 2, with a small gap, thus ensuring that the sheet of coagulum enters the nip of the rollers without a curled edge. Should the speed of the pulling rollers 2 exceed that of the feeding rollers 1, the greater tension on the sheet of coagulum forces the plates 3. 4 down till finally they assume the approximately horizontal position shown in dotted lines. A pivotally mounted wiper 17 may be provided to prevent the coagulum being carried past the conveyer around the lower roller 1.
Patent GB-1156135-A (GB)
Title: Improvements in or relating to Eye Exercising Devices
Inventor: HUMPHRISS DERYCK
IPC: A61F9/00
Filed: 1966-05-05
Abstract: 1,156,135. Eye-exercising devices. D. HUMPHRISS. 1 May, 1967 [5 May, 1966], No. 19977/66. Heading A5R [Also in Division E2] An eye exercising device comprises a base 10 providing a pair of upper surface portions 14, 15 on each of which an article to be viewed can rest, a member (16) upstanding from the base, and a pair of optical systems supported by the member and each having an eyepiece 27, 28 and each having two mirrors, e.g. 20, 32 for twice reflecting light from the associated upper surface portion in the path of the light to each eyepiece. The member (16) is situated at the rear of the base so as to permit ready access from the front and sides of the base for the user to freely manipulate articles on the base. The optical axes of the eyepieces are inclined to the surface on which the base stands for ease or use of the apparatus.
Patent GB-842688-A (GB)
Title: Improvements in or relating to means for vulcanising rubber soles on footwear
IPC: B29C35/00
Filed: 1958-06-23
Abstract: 842,688. Moulding rubber soles on to footwear uppers. LUDWIG, H., [trading as DEUTSCHE SPEZIALMASCHINEN CO. U. E. LUDWIG Komm.-Ges.]. June 23, 1958 [July 1, 1957], No. 19982/58. Class 87(2). A mould for vulcanising rubber soles on to footwear uppers comprises a frame and a cover plate and a toe-cap moulding piece, the latter two components being interchangeable and provided with sealing edges and constructed so that either the cover plate can be used for producing footwear without vulcanised rubber toe-caps or the toe-cap moulding piece can be used for producing footwear with vulcanised rubber toe-caps. In Fig. 2 is shown the cover plate 34 attached to the mould frame 16 by screws 35 with the sealing edge 34a contacting the upper 30. In order to provide toecaps, the cover. plate 34 is removed, Fig. 6, and replaced by the toe-cap moulding piece 18 secured to a lever arm 20, actuation of which is effected by the piston rod 17 slidable in the cylinder 13. The supply and discharge of compressed air or pressure liquid to the cylinder 13 is by means of the pipes 7. With the toe-cap moulding piece 18 in position as shown in Fig. 6, the sole rubber can flow up during the vulcanising operation and cover the toe of the shoe as far as the seal formed by the sealing edge 18b.
Patent GB-621736-A (GB)
Title: Improved manufacture of heat cast refractories
IPC: C04B35/44
Filed: 1945-08-03
Abstract: A heat-cast refractory composed principally of Cr2O3, FeO, Al2O3 and MgO is prepared by combining the ingredients in such proportions that in the heat-cast product the moles of Cr2O3 plus Al2O3 lie between 80 per cent and 120 per cent of the moles of FeO plus MgO, and that the FeO is not less than 8 per cent, the MgO not less than 1.5 per cent, the Cr2O3 not less than 11 per cent and the Al2O3 not over 50 per cent by weight, and that the ratio of the moles of MgO to the moles of FeO lies between 0.089 and 4.1.  The FeO preferably lies between 8 and 38 per cent, the Mgo between 1.5 per cent and 21 per cent, the Cr2O3 between 11 per cent and 80 per cent and the Al2O3 between 5 per cent and 50 per cent by weight, proportions preferably being such that the proportion of FeO.Cr2O3 lies between 40 per cent and 60 per cent, that of MgO.Cr2O3 between 20 per cent and 40 per cent and that of FeO.Al2O3 between 20 per cent and 40 per cent by weight, with the iron oxide in excess of 20 per cent.  Up to 8 per cent of SiO2 may be incorporated.
Patent GB-686757-A (GB)
Title: Improvements in or relating to methods of compounding rubber
IPC: C08L21/00
Filed: 1949-07-30
Abstract: A vulcanizable composition containing rubber and a resin is obtained by forming a dispersion of a hardenable resin in a vulcanizable hydrocarbon rubber, mechanically working the dispersion and concurrently hardening the resin prior to vulcanization.  The rubber may be a copolymer of butadiene with styrene or isobutylene.  The resin may be a urea- or phenol-formaldehyde resin which is hardenable by heat or by means of a methylene-donating hardening agent such as hexamethylene tetramine or a formaldehyde polymer.  A master batch may first be made consisting of equal parts of rubber and resin and then more rubber added if necessary to give a proportion of 10-100 parts of resin to 100 parts of rubber.  Colouring matters such as carbon black, lithopone, whiting, zinc oxide, vermilion, ultramarine, cobalt blue, Newcol fast Red, chrome yellow, and madder lake; and sulphur, zinc oxide, stearic acid, mercaptobenzthiazole, and tetramethylthiuram disulphide may also be added.ALSO:A vulcanizable composition containing rubber and a resin is obtained by forming a dispersion of a hardenable resin in a vulcanizable hydrocarbon rubber, such as natural rubber, mechanically working the dispersion and concurrently hardening the resin prior to vulcanization.  The resin may be a urea- or phenol-formaldehyde resin which is hardenable by heat or by means of a methylene-donating hardening agent such as hexamethylene tetramine or a formaldehyde polymer.  A master batch may first be made consisting of equal parts of rubber and then more rubber added if necessary to give a proportion of 10-100 parts of resin to 100 parts of rubber.  Colouring matters such as carbon black, lithopone, whiting, zinc oxide, vermilion, ultramarine, cobalt blue, Newcol Fast Red, chrome yellow, and madder lake; and sulphur, zinc oxide, stearic acid, mercaptobenzthiazole, and tetramethylthiuram disulphide may also be added.
Patent GB-315835-A (GB)
Title: An improvement in artificial resins
IPC: C08L61/06
Filed: 1929-07-01
Abstract: 315,835. I. G. Farbenindustrie Akt.- Ges. July 19, 1928, [Convention date]. Phenol-aldehyde condensation products. - Synthetic resins derived from phenols and capable of being hardened, are kept soft by incorporating in them not more than 10 per cent of a cellulose ether other than an aralkyl ether. In examples, (1) a phenol-formaldehyde condensation product i.s dissolved in alcohol and a solution of ethyl cellulose in alcohol and toluene is added; (2) an aqueous solution of methyl cellulose is added to a synthetic resin prepared by treating a fusible phenol aldehyde resin with a halogen fatty acid. The solutions when applied as lacquers are hardened at 150‹ C. The Specification as open to inspection under Sect. 91 (3) (a) describes the use of any proportions of any cellulose ether for keeping soft any synthetic resin capable of being hardened. This subject-matter does not appear in the Specification as accepted.
Patent GB-460145-A (GB)
Title: Improvements in and apparatus for the manufacture and production of acetaldehyde from gases containing acetylene
Filed: 1935-07-16
Abstract: <PICT:0460145/IV/1> Acetaldehyde is made by passing gases containing comparatively small amounts of acetylene through a reaction vessel in the same direction as the catalytic solution, an excess, e.g. 10 to 30 times the amount of liquid in the vessel being circulated per hour.  The gas enters the vessel B by the pipe F, the catalytic liquid being carried upward through the vessel B, which may contain filler rings, and overflowing into the vessel D, the shelves of which contain mercury for regenerating the solution, and finally re-entering the reaction vessel at A.  The solution may contain ferric sulphate and sulphuric acid, as described in Specification 24153/14, [Class 2 (iii)].  Ferrous salts produced by the reaction with mercury must be re-oxidized; the regeneration of the solution may be carried out as part of the cycle or separately therefrom.  The tower is heated to about 90 DEG  C. by blowing in steam or indirectly, the acetaldehyde and waste gases passing through the pipe H to a condenser and washing tower.
Patent GB-441019-A (GB)
Title: Improvements in or relating to motion picture cameras and projectors
IPC: B42C9/02
Filed: 1934-07-10
Abstract: 441,019. Kinematograph apparatus. KODAK, Ltd., Kingsway, London.-(Assignees of Kodak Akt.-Ges.; 27, Lindenstrasse, Berlin) July 10, 1934, No. 20279. Convention date, July 19, 1933. [Class 97 (i)] The take-up spool, or a magazine containing it, is constructed to co-operate with the transmission mechanism so that the drive to the feed mechanism can be transmitted only when the take-up spool is correctly placed in position on its spindle or support; the spool may have flanges or may consist of a core or sleeve without flanges. As shown in Fig. 3, the take-up spool 20 has, in one flange, an annular bead 28 which, when the spool is correctly placed on its spindle 32, bears against the head of a spring-pressed locking device 21, to remove the device out of engagement with a wheel 11 in the driving train, thereby freeing the drive between the motor and a feed sprocket and the take-up spindle. If the apparatus is adapted for films having two ranks of relatively inverted images, the spools may each carry a pin or stud 34 nearer to the flange having the head 28 than to the other flange, and the spindles 30, 32 may have slots of different lengths to ensure that the spools may only be placed in their correct positions on the two spindles. In a modification, Fig. 4, a pawl pivoted at 38 in a slot in the spindle 36, is pressed into the position shown by a spring, and is depressed, when the spool is correctly placed on the spindle, so that its end 44 engages teeth within a gear wheel 41 and locks the wheel to the spindle. The drive from a motor is transmitted to a wheel 35 keyed to the spindle 36, and from the spindle through the wheel 41 to the feed sprocket. The spool is provided at one end of its hub with an annular recess 45 so that, if it is placed on the spindle incorrectly, the pawl is not depressed, and the drive is not transmitted to the feed sprocket. A construction is described in which the spools are carried by a magazine, and the walls of the magazine are provided with ribs corresponding to the bead 28 and acting in a similar manner to release the locking- device 21. A friction drive may be provided between the transmission mechanism and the take-up spool e.g. by a sleeve between the spool and its spindle, by a friction coupling between the wheel 11 and its spindle, &c.
Patent GB-784450-A (GB)
Title: Improvements in or relating to electrographic printer
IPC: G03G15/20
Filed: 1955-07-13
Abstract: An ink for giving visual indication of charged portions of a dielectric record medium used in electrical recording apparatus comprises lycopodium powder of 10-40 micron particle size bound by a thermoplastic material, e.g. ester gum.
Patent GB-356365-A (GB)
Title: Improvements in and relating to an easily detachable connection of writing sheets with carbon sheets or with each other
IPC: E21B10/62
Filed: 1930-07-04
Abstract: 356,365. Manifolding sheets &c. PRESSCARBON GES., 19, Jagerstrasse, Berlin. July 4, 1930, No. 20349. Convention date, Feb. 20. [Class 16.] Writing sheets are temporarily united together or to carbon sheets by means of patches 13 of adhesive material provided on the back of the original sheets, or on one or both sides of the duplicate and carbon sheets. The adhesive may be waxes, soaps, colloids, or fatty-acid derivatives applied as solutions in alcohol &c., and is preferably a wax or the like softening at the temperature of the hand but hard at ordinary room temperature. The sheets may be impregnated locally with glue, dextrin, &c., before applying the adhesive, to prevent the latter from forming transparent patches. In the case of carbon sheets, the patches are applied in spaces not coated with colour composition.
Patent GB-275969-A (GB)
Title: An improved process for colouring lacquers
IPC: C08K5/00
Filed: 1927-08-02
Abstract: 275,969. I. G. Farbenindustrie Akt.- Ges. Aug. 13, 1926, [Convention date]. Incorporating paint ingredients. -- Cellulose ester or ether, oil or spirit lacquers are coloured by incorporating with them basic dyestuffs, which may also contain acid groups, together with complex acids or salts thereof capable of forming colour lakes with the dyestuffs. Suitable acids are phosphotungstic, phosphomolybdic, silicotungstic, and phosphotungstomolybdic acids. The dyestuffs and the acids may be added in solid form or in solution in organic solvents. When lacquers miscible with water are coloured, the dyestuffs and acids may be used in aqueous. solution. In examples (1) 0.5 parts of methyl violet B extra, is dissolved in 100 parts of a zapon lacquer containing 5 per cent of nitrocellulose with or without a plasticizer, and 0.5 parts of sodium phosphotungstate dissolved in 5 parts of denatured alcohol is added. (2) 0.5 parts of alkali blue B extra, is dissolved in 100 parts of a shellac spirit lacquer, and 0.5 parts of sodium phosphotungstate in 5 parts of denatured alcohol is added. The Specification as open to inspection under Sect. 91 (3) (a) describes alcohols, glycol and glycerol or their esters or ethers and acetone as suitable solvents in which to add the acids. This subject-matter does not appear in the Specification as accepted.