baber/WOPTO huggingface dataset:
Patent GB-413378-A (GB)
Title: Improvements in fabric-supporting and controlling means for circular looms
IPC: D03D37/00
Filed: 1933-01-24
Abstract: 413,378. Fabric supporting and controlling means for circular looms. BRITISH CELANESE, Ltd., and JABOULEY, J., 22, Hanover Square, London. Jan. 24, 1933, No. 2270. [Class 142 (ii).] A circular loom has a fabric-supporting ring 12 which extends to the fell of the fabric and has its outer surface covered with fabric, felt or like material 15 to grip the fabric 14 being woven. The gripping action of the ring 12 is assisted by a ring 16 formed in one or more sections which may be adjustably connected at their ends. Pivotally mounted arms such as 21, each of which is held in the desired position by an adjustable screw 24, spread the fabric in doubled form prior to its engagement with the take-up rollers. The take-up device includes a take-up roller and gripping rollers which draw the fabric over the supporting ring independently of the take-up roller. Specifications 396,756 and 413,376 are referred to.
Patent GB-388185-A (GB)
Title: Improvements in and relating to mineral recovery devices
IPC: B03D1/14
Filed: 1932-01-25
Abstract: 388,185. Concentrating ores. KVIST, G. L. and McCONVILLE, F. B., Kamloops, British Columbia, Canada. Jan. 25, 1932, No. 2294. [Class 82 (ii).] A flotation classifier consists of a tank with a tailings overflow at one end, means for introducing pulp at a point intermediate the ends of the tank, raking means operating adjacent the bottom of the tank which discharge coarse material at the end remote from the tailings overflow, and means for introducing gas, preferably compressed air, between the pulp inlet and the tailings overflow. A tank 1 is divided into two communicating compartments 16, 17 by a transverse partition 7, the bottom wall 5 of the compartment 16 being horizontal and the bottom wall 6 of the compartment 17 being inclined. A series of transverse troughs 18, 18A cover the bottom walls 6, 5, the troughs 18A in the compartment 16 being spaced from the wall 5 to form a chamber 19 connected to a compressed air supply pipe 20. The troughs 18A are formed with air-pervious portions 23 preferably composed of carborundum and cement. Two rakes 28, separated in the compartment 16 by a longitudinal partition 32 and having curved scrapers 30, are suspended by hangers 29 from cranks 27 on shafts 26, the cranks being arranged so that one rake is raised when the other is lowered. The scrapers 30 follow the curvature of the troughs 18, 18A. Pulp containing the necessary frothing agents is fed from a launder 35 by pipes 34 to hoppers 33 mounted on the transverse partition 7 from which it passes over deflecting plates 36. The material is agitated by the scrapers 30, the light mineral being raised by the air bubbles and collected in longitudinal launders 39 formed on the sides of the tank and on the longitudinal partition 32. The froth flows from these launders through openings 40 in the end wall of the tank and is discharged through launders 41 and discharge pipe 42. The finely divided tailings pass through openings 9 in the end wall and over an adjustable weir 12 into a chamber 14 from which they are discharged from pipes 15. The coarser materials are transferred by the scrapers 30 to the end of the tank remote from the tailings discharge and are discharged into a shoot 31 and reground for further treatment. The apparatus is particularly adapted for use in mills dealing with silver, lead, copper, &c.
Patent GB-448895-A (GB)
Title: Improvements in bearings for the rollers of washing, wringing and mangling machines
IPC: D06F45/00
Filed: 1935-01-24
Abstract: 448,895. Ball bearings. ENTWISLE & KENYON, Ltd., and CAVE, C., Ewbank Works, Accrington. Jan. 24, 1935, No. 2311. [Class 12 (i)] A ball bearing for roller shafts of wringing or mangling machines includes two plates A, B, which are secured together and can readily be fitted into the cheeks of the machine, the roller shaft C having an annular groove c, which, with an annular recess a in one of the plates A, B, forms a race for a ring of bearing balls. The plates may have interengaging grooves and projections a<1>, b.
Patent GB-785105-A (GB)
Title: An improved hydraulically operated scraper device for roller mills
IPC: B02C4/40
Filed: 1956-01-24
Abstract: 785,105. Scrapers for roller mills. BUHLER. GEB. Jan. 24; 1956 [Jan. 28, 1955], No. 2311/56. Class 59 In a hydraulically-operated scraping device for roller mills, there is provided a pump k for building up and maintaining constant the pressure of the hydraulic fluid and a reducing valve i for controlling and setting the pressure applied to the scraper blade-holder a. The blade-holder is slidable in guide slots in support block e which are rotatable about trunnions which are secured to the frame of the roller mill by means of screws g. The scraper blade b is pressed against the roller h of a roller mill by means of single-acting hydraulic cylinders d the pistons c of which are acted on by springs s. The hydraulic fluid is distributed in the cylinders d by means of a pipe n and flexible tubes o. A reversing valve t is moved to the venting position when it is desired to remove the bladeholder. In a modification, Fig. 4 (not shown), the hydraulic cylinders are double acting. In a further modification; Figs. 5 and 6 (not shown), the hydraulic cylinders are combined with the trunnions for the support blocks.
Patent GB-328266-A (GB)
Title: Improvements in windows or casements and the method of manufacturing the same
IPC: E06B3/12
Filed: 1929-01-23
Abstract: 328,266. Evans, J. W. Jan. 23, 1929. Window frames; glazing.-Casement or other window sashes are formed by pressing or drawing from a sheet metal plate a webbed and flanged sash a provided with openings for the panes and by attaching thereto separate sash bars g or an assemblage of sash bars. The sash bars may be secured by riveting projections thereon into holes in the web or by folding the flanges thereof over the member d of the sash or by folding the members d of the sash over the edges of the bar as shown in Fig. 4. The member d of the sash is cut away at the corners to facilitate the folding and may be bent to position the flange of the sash bar and of the sash in the same plane, Fig. 8. The sashes may be formed in one plane and strengthened by an attached U-section frame and may be adapted for glazing on the inside, securing pins n inserted in the sashes retaining the glass previous to setting of the putty, &c.. Fig. 18. The sash may be formed with cames s in the form of a leaded light and the sash bars with triangular projections h<3> which are bent through the openings r and under the cames.
Patent GB-1502011-A (GB)
Title: Cathode-ray tube
IPC: H01J29/50
Filed: 1975-01-20
Abstract: 1502011 Cathode-ray display tubes PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 20 Jan 1975 [23 Jan 1974] 2371/75 Heading H1D An in-line three beam c.r.t. comprises astigmatic electron-lens means in the beam generating means to restrict the dimension of each electron spot, when deflected, in a direction perpendicular to the plane of the three beams as undeflected, the overall astigmatism produced by the generating means being such as to counter the astigmatic elongation of the spots produced by astigmatic deflection coils, the first deflection coil deflecting in the plane of the beams having a meridional image plane coincident with the display screen and a sagittal image plane within the tube, the second coil deflecting the beams perpendicular to the plane of the undeflected beams and having a sagittal image plane coinciding with the screen and a meridional image plane within the tube. In Fig. 2, aperture 18 is elongate perpendicular to the plane of the paper, plate 20 has an aperture elongate in the plane of the paper, and apertures 19 and the adjacent apertures in grids 16 are circular. Dimensions and voltages are given. Quadropole 21 comprises permanent magnet rings 22, 23 the rotation of which affects focusing and mutual convergence. Plate 20 may alternatively be provided in the fourth grid 17 at 90 degrees orientation, while alternatively an elongate aperture may only be in the first grid, or may be combined with a quadrupole. A rectangular aperture may also be provided in the fourth grid alone. In the alternative gun construction of Fig. 3 (not shown) outer apertures in fourth grid 30 are eccentrically arranged to produce beam convergence the latter also being influenced by quadrupole 31. Elongate apertures in the first grid produce the required restriction. The focusing and deflection of the astigmatic deflection coils is also disclosed w.r.t. U.S. patent Specification 2,866,125. The phosphor regions may be stripes or dots.
Patent GB-389243-A (GB)
Title: Improvements relating to golf practice balls
IPC: A63B71/02
Filed: 1932-01-28
Abstract: 389,243. Golf-practice balls. HART, T. H., Norton, Wye Cliff Road, Handsworth, Birmingham. Jan. 28, 1932, No. 2585. [Class 132 (ii).] A ball for practising golf has combined with it a tee in the form of a separately m a d e spike or spikes foi insertion in the ground. A light hollow rubber or other ball a has a hole b through which is passed the spiked tee c, which is secured to the ball through a leather, rubber or other flexible washer d passed through the hole b and around the tee c to provide a resilient connection. To reduce and guide the flight of the ball a leather or other soft material strip e is passed through a slit in the washer and has a hole in it to receive the tee. The ball may have combined with its interior a piece of rubber sponge f or other suitable soft and resilient material such as paper, and if desired the inner end of the tee may be attached to this material, in which case the washer may be dispensed with. In the modification shown in Fig. 2, the tee c is free to slide to a limited extent relatively tothe ball. Preferably the tee is provided with a rubber stem g and is provided at its inner end with' a washer d and at its outer end with a drag in the form of a flat or cup-shaped leather, rubber or other piece h for retarding and controlling the flight of the ball. The tee may have two or more spikes instead of a single spike. The ball may be made entirely from rubber sponge, having an impervious outer surface, the tee being attached to it in the moulding operation or otherwise. In another construction the ball may be made from cork, wood or the like with a rubber outer covering, the tee being attached to the ball. The strip e may be replaced by a cord having a disc or other weight attached to its free end.
Patent GB-1184772-A (GB)
Title: Process for the Manufacture of Fibrils
IPC: D01D5/00
Filed: 1968-01-17
Abstract: 1,184,772. Fibrils. PROGIL. 17 Jan., 1968 [17 Jan., 1967], No. 2620/68. Heading B5B. [Also in Divisions C3 and D2] Fibrils are made by extruding an aqueous dispersion of fibre-forming polymer through a plurality of substantially coplanar orifices and contacting the extruded polymer dispersion with a rapidly moving turbulent stream of water containing a coagulant by passing the stream across the orifices in boundary contact or within 1 mm. of the plane of the orifices. The starting material may be vinyl polymers such as polyvinyl chloride, polyvinyl acetate or polyvinyl alchol, acrylic or methacrylic polymers, and styrene-based or other olefinic polymers. The coagulant is generally a strong electrolyte such as sodium, potassium or ammonium sulphate or chloride or a strong acid, such as H 2 SO 4 . The apparatus shown comprises at least one closed container 11, wherein one wall is provided with one or more feed apertures 3, a plurality of capillary tubes 4 is located in a plane at right angles to a principal axis of the container and communicate between the inside and outside of the container the outside ends being aligned in a plane parallel to said axis. Means are provided for supplying an aqueous dispersion of a polymer under pressure to the container, and means for supplying and passing a rapidly moving turbulent stream of water containing the coagulant in boundary contact with or within 1 mm. of the plane of the orifices of the tubes. Preferably the apparatus comprises a plurality of containers and also a filter(s) for collecting the suspension of coagulated fibrils, means for conveying the fibrils to the filter(s), and means for removing the filtrate and washing water. The fibrils can be used to make non-woven fabrics.
Patent GB-450693-A (GB)
Title: Improvements in or relating to the preservation of green fodder
IPC: A23K3/03
Filed: 1935-01-26
Abstract: Green fodder is preserved by spreading thereon a solid substance which reacts with water to yield hydrochloric acid. This substance may be one or a mixture of solid compounds, such as the alkali or alkaline earth salts of chlorsulphonic or pyrochlorsulphonic acids, to which adsorption agents such as silicic acid gel can be added. Liquid compounds or mixtures thereof, e.g. phosphorus oxychloride or trichloride, sulphuryl chlorides, thionyl chloride, chlorsulphonic acid, silicon tetrachloride, acetyl chloride, &c., may be used together with adsorption agents such as kieselguhr or activated carbon which bring them into a spreadable form.  To retard the decomposition of the added substances water absorbing agents, e.g. anhydrous salts, acid anhydrides, or adsorption agents may be added. Wetting agents which favour the escape of air from the green fodder may be included.  In examples given: (1) young grass is treated with sodium pyrochlorosulphonate; (2) young clover is sprinkled in layers with a mixture of calcium chlorosulphonate and anhydrous calcium chloride; (3) meadow grass is treated in layers with a mixture of calcium pyrochlorosulphonate, sodium chlorosulphonate and phosphorus pentoxide.  The Provisional Specification also describes the use of aqueous solutions of the preservative substances, e.g. sulphuryl chloride is absorbed in kieselguhr which contains one per cent of sodium oleyloxethanesulphonate or of the sulphuric acid ester of coconut oil alcohol, and an aqueous solution of the powder so obtained is used for treating turnip leaves.
Patent GB-624742-A (GB)
Title: Improvements in or relating to control and ignition apparatus for fuel burners
IPC: F23Q9/12
Filed: 1947-01-28
Abstract: 624,742. Lighting gas burners. DIXON, M. G. (Robertshaw Thermostat Co.), Jan. 28, 1947, No. 2700. [Classes 75(i) and 75(iii)] A main oven gas burner 10, Fig. 1, is supplied with fuel from a manifold 14 through a pipe 18 controlled by a main fuel cock 20 and a safety control valve 22 comprising electromagnetic means 62 adapted when energised by a thermocouple 108 heated by a burner 112 to hold the valve 22 open, and provided with resetting means actuated on the opening of the fuel cock 20 to open the valve 22, said resetting means being returned to its inoperative position after a predetermined period following ignition of the burner during which period the thermocouple 108 has energised the electromagnetic means. Fuel enters a chamber 28, Fig. 2, of the control device 22 through an inlet 26 and passes through an opening 32 controlled by a valve member 36 to an outlet 34 leading to the burner 10. On turning a knob 21 to open the fuel cock 20 a cable 150 is pulled to release a latching member to move a bimetallic element 136 into the path of the pilot burner 72. The element 136 forces into the device 22 a shaft 104 to displace a valve member 94 from its seat to permit flow of fuel from the pipe 78 to the outlet 92 and pipe 74 supplying pilot burners 70, 72 and a thermocouple heating burner 112. At the same time fuel is prevented from flowing to the main burner 10 by a disc 42 which is forced downwardly by the rod 104 to close the opening 32. After a predetermined time delay, during which the strip 136 becomes heated, it warps to trip the latching element to be moved thereby out of the flame of the burner 72 whilst releasing the rod 104. The valve member 94 is then returned to its seat by a spring 97 and the fuel supply to the pilot burners 70, 72, and thermocouple heating burner 112 is cut off. The thermocouple 108 becomes sufficiently heated to energize the electromagnet 62 before the rod 104 is released so that the valve member 36 is held away from its seat, whilst a spring 50 forces the disc 42 away from the opening 32. Fuel now flows to the main burner 10 which is ignited by an ignition pilot burner 114, or where the latter burner is not provided by the thermocouple heating burner 112 supplied by the fuel remaining in the pipe 74. If at any time the thermocouple 108 ceases to be heated by the pilot burner 114 or, where the latter is not provided, by the main burner 10, the electromagnet 62 is de-energised and the valve member 36 cuts off the fuel supply to the burner 10.
Patent GB-489572-A (GB)
Title: Improvements in electric cables
IPC: H01B7/28
Filed: 1937-01-29
Abstract: 489,572. Cables. STANDARD TELEPHONES & CABLES, Ltd. (Standard Telefonog Kabelfabrik Aktieselskab) Jan. 29, 1937, No. 2727. [Class 36] A metal-sheathed cable is provided with a protective coating by applying to the sheath a layer of asphalt or other corrosion resisting material in liquid condition, which layer, whilst still liquid, is covered by an overlapping wrapping of corrugated paper. A coating of adhesive material, which is insoluble or substantially insoluble in the corrosion resisting material, is then applied and the cable braided with cotton or other fabric. If desired, a coating of paint may then be applied. The adhesive material may consist of a solution or emulsion containing one or more of the following ingredients : latex, viscose, methyl cellulose and cellulose ether. The solution or emulsion may also contain, sulphur, ultra accelerators, stabilizing and wetting agents, and pigment.
Patent GB-1136345-A (GB)
Title: Processes for producing alpha-methylene aldehydes and products thereof
IPC: A61K8/33
Filed: 1967-01-18
Abstract: 1,136,345. α-Methylene aldehydes and alcohol derivatives. INTERNATIONAL FLAVORS & FRAGRANCES Inc. 18 Jan., 1967 [25 Jan., 1966], No. 2753/67. Heading C2C. Preparation of compounds of the formula wherein R is alkyl, alkenyl, hydroxyalkyl or alkoxyalkyl each having 5 to 10 carbon atoms, by reacting an aldehyde of the formula R.CH 2 .CHO with formaldehyde or a source of formaldehyde in the presence of ammonia or a primary or secondary amine of or salts of these. Typical of the catalysts used are the hydroxide, chloride or acetate of ammonia, methylamine hydrochloride, dimethylamine or its hydrochloride and diethylamine. The formaldehyde is used as an aqueous solution or may be derived in situ from paraformaldehyde. The methylene double bond may be selectively hydrogenated, e.g. with hydrogen in the presence of nickel or palladium, or the aldehydic carbonyl group selectively reduced to an alcohol group, e.g. with metal hydrides such as lithium aluminium hydride, singly or simultaneously. Examples describe the preparation of 2-methyene decanal; 2-methylene heptanal; 3,7-dimethyl- 2-methylene-6-octenal followed by hydrogenation to 2,3,7-trimethyl -6- octenal and reduction to 3,7 - dimethyl - 2 - methylene - 6 - octanol and 2,3,7-trimethyl-6-octenol; 2-methylene dodecanal; 2-methylene undecanal; 3,7-dimethyl-2- methylene octanal; 3,7-dimethyl-2-methylene-7- hydroxy - octanal; 2,3,7-trimethyl-7-hydroxyoctanol; 3,5,5-trimethyl-2-methylene hexanal and α-octyl acrolein.
Patent GB-1031994-A (GB)
Title: Improvements in inductive signalling systems for mines, tunnels and similar situations
Inventor: COLLARD ALAN HERBERT
IPC: H04B3/60
Filed: 1965-01-22
Abstract: 1,031,994. Inductive signalling. JOHN DAVIS & SON (DERBY) Ltd. Jan. 22, 1965, No. 2820/65. Headings H4L and H4U. In an inductive or radio signalling system for mines or the like a portable receiver is associated with the lamp circuit of a miner's lamp so that the lamp is dimmed or extinguished in response to signals from the remote transmitter. In one arrangement a radio transmitter is situated at a motor control point and provided with an aerial which extends throughout the whole working area and consists of an insulated cable in which the conductor forms a loop within the cable. When the motor switch is operated a signal is sent via the transmitter and aerial to the remote receivers which may be associated with cap or hand lamps and tell-tale lamps situated at convenient positions. Audible warnings also may be operated. The aerial loop may include a warning device comprising a high impedance or a rectifier at its remote end, a high resistance and a low resistance relay being connected in series in the loop and a suitable current being passed through the loop to energize the high resistance relay, this condition being maintained so long as the aerial is intact. A shortcircuit on the cable will cause a higher current flow to operate the low resistance relay. The receiver may be built into a lead connecting the battery to a cap lamp or may be built into the lid of the battery box. An alternative arrangement uses an inductive loop enclosing the working area.
Patent GB-544528-A (GB)
Title: Improvements in door latches
IPC: E05B65/00
Filed: 1941-03-03
Abstract: 544,528. Sliding latches. BRITISH THOMSON-HOUSTON CO., Ltd. March 3, 1941, No. 2860. Convention date, March 1, 1940. [Class 44] A sliding latch 11 for a refrigerator door &c. is actuated by a cam on a handle pushing in a rod 21 which swings a lever 17 on its pivot 24 to move transversely the pivot 15a of a pair of toggle links 12, 13, one pivoted at 39 to the latch, the other pivoted to a pin 41 slidable in slots 42 in a guide 10 under the action of a spring 14. While the pivot 15a is being moved to open the latch, the pin 41 is held at the bottom of the slots 42 by the spring 14, and while it is being moved by spring 57 to straighten the toggle, the pin rides up the slots, and the spring 14 then moves the toggle links and latch down to closing position without operation of the handle. Specification 11378/00, [Class 44], is referred to.
Patent GB-326296-A (GB)
Title: Improvements relating to sound reproducers
IPC: H04R9/06
Filed: 1929-01-28
Abstract: 326,296. Mullard Radio Valve Co., Ltd., and Hodgson, B. Jan. 28, 1929. Magnetic instruments; diaphragms. -A sound-reproducer adapted to be operated by radiofrequency currents has a large diaphragm of substantially conical shape and a coil, fixed or movable, for receiving modulated radio-frequency current and a second con or conductor, inductively or conductively coupled with the first coil, so that attractive or repulsive forces are set up between the two. The diaphragm may be attached to either coil or conductor. The diaphragm 1, Fig. 1, mounted as in Specification 308,448, is attached to a coil 5, co-operating with a fixed coil 6, the flexible leads 7 to the coils being taken from terminals 8, 9. The coils may be connected in series or one coil may be short circuited to give either an attractive or repulsive force between the coils, and the fixed coil may have an iron core. The springs 10 supply the restoring force. In a modification, Fig. 3, the coil 5 is replaced by a conical metal cap 11 and the coil 6 is of conical form and is supplied with the currents. The diaphragm may also be actuated at its periphery. The speaker may also operate with audio frequency currents, the output from an audio frequency amplifier being connected so as to cause modulation of high frequency oscillations. The circuit of the input coil may be tuned to the frequency of the radio frequency current by connecting a variable condenser across the coil, and the radio frequency supplied may be derived from the intermediate frequency amplifier of a supersonic heterodyne receiver. The diaphragm may be supported by an elastic medium at its edge.