baber/WOPTO huggingface dataset:
Patent GB-954002-A (GB)
Title: A combined bed-clothes support and electrical foot-warmer
IPC: A47C21/04
Filed: 1963-02-26
Abstract: 954,002. Bedclothes supports. C. J. WILLIAMS. Feb. 26, 1963, No. 7772/63. Heading A4J. Apparatus for suporting bedclothes clear of the feet and for warming the feet comprises a base 1 for engagement horizontally beneath a mattress, support means 2 at one end of the base, upstanding structure 7 carried by the support means 2 and extending over the base at a suitable height to acommodate the mattress and the user's feet, and an electrical heating pad 13 mounted on the upstanding structure. As shown in Fig. 7 a laterally disposed heating pad 33 may be mounted on a part 35 of the upstanding structure which extends laterally over the base.
Patent GB-1456305-A (GB)
Title: Process for recovering wool-grease
IPC: C11B11/00
Filed: 1974-02-20
Abstract: 1456305 Recovering wool grease ABCOR INC 20 Feb 1974 [20 Feb 1973] 7810/74 Heading B1X A process for recovering wool grease from an emulsion of wool grease in water, the emulsion deriving from the scouring of raw wool with an aqueous surfactant solution, comprises introducing the emulsion into a membrane unit containing an ultrafiltration membrane which prevents the passagge therethrough of the wool grease and of any suspended solid particles in the emulsion while permitting the passage of water therethrough thereby to form a concentrate fraction containing the wool grease and an aqueous permeate fraction essentially free of wool grease and suspended particles, and recovering wool grease from the concentrate fraction, the temperature of the emulsion being subjected to ultrafiltration in the membrane unit being sufficient to maintain it as a liquid/liquid emulsion rather than as a solidliquid suspension of wool grease in water. The pressure may be 20-200 p.s.i.g. and the temperature 35-45C.
Patent GB-653181-A (GB)
Title: Improvements in or relating to control systems for electric motor-driven overhead travelling cranes
IPC: B66C13/24
Filed: 1948-03-18
Abstract: 653,181. Control of D.C. motors. KUKA, K. S. March 18, 1948, No. 8074. [Class 38(iii)] A hoist motor is connected respectively as a series and a shunt machine for raising and lowering operation, its control circuit comprising a relay ALR having a coil ALR3 adapted to compare voltages respectively o b - tained across resistor 143 in the motor armature circuit and across resistor 111, which is connected to the main power line and in series with the parallel circuits formed by the motor armature and field winding during lowering. Coil ALR2 is adapted to increase the sensitivity of the relay ALR and is connected in series with resistor C and across resistor 143. The relay ALR operates as a compound relay during hoisting and non-overhauling lowering operation, but as a differential relay when an overhauling load is lowered, and controls contactors 1A and 4FA, which regulate resistors in the armature and field circuits, in such manner that the lowering speeds with no-load and full-load are substantially equal. The resistor 111 is connected in series with both the armature and field winding and diverts more current to the latter so as to enable the motor to handle heavy loads when operating as a shunt generator with weakened field excitation.
Patent GB-195517-A (GB)
Title: Improvements in or relating to vehicle wheels
IPC: B60B1/12
Filed: 1922-03-20
Abstract: 195,517. Jackson, W. J. Mellersh-, (Kemp Metal Auto Wheel Co., Ltd.). March 20, 1922. Spokes, securing ; compression - spoke wheels; spring wheels.- A wheel hub comprises two sections 1 of sheet metal with radially extending grooves 7 which form recesses for spokes 8 when secured together by bolts 4 and according to the invention the grooves are flanged at the hub periphery to provide a bearing surface for preventing rotation of the spokes. The spokes 8 consist of metal tubes tapering towards the felloe 12 and having an outer covering 10 formed by die casting but not extending the full length thereof. The outer covering 10 is formed with a wedge shaped enlargement 11 bearing on the hub flanges so preventing rotation and with an annular recess 15 in which is placed a resilient washer 16 to allow a slight play of the felloe 12. A demountable rim 18 is secured by clips. 19 engaging grooves in the rim.
Patent GB-762085-A (GB)
Title: Improvements relating to ion-exchange resins
Inventor: THOMAS STANLEY LEWIS SHELDON
IPC: B01J39/20
Filed: 1953-03-24
Abstract: The invention comprises insoluble resins having an arsonic acid radical available for ionexchanging. Specified resins are phenolics, particularly resorcinol-aldehyde resins, which may be etherified, and vinyl aromatic polymers, particularly styrene-divinyl benzene copolymers.  The arsonic acid radical may be introduced before or after resin-formation.  In the examples: (1) 2,4-dihydroxy-phenyl-arsonic acid is heated with formaldehyde in water to produce an insoluble reddish resin.  This was methylated by treatment in alkali form with dimethyl sulphate in methanol; (2) a bead copolymer of styrene with 2 1/4 per cent divinyl benzene is treated with p-dichlorarsino benzoyl chloride in carbon disulphide in the presence of finely-powdered anhydrous aluminium chloride.  The product is hydrolysed by pouring on to a mixture of crushed ice and dilute HCl and the insoluble polymer is filtered, washed with water and with caustic soda/sodium carbonate solution, and is oxidized in alkaline solution with hydrogen peroxide.  It is then converted to the acid form with hydrochloric acid.  The resins have an affinity for silver, copper and lead.ALSO:Aryl-arsonic acids, containing hydroxy or amino groups in the nucleus, are obtained by direct arsonation with arsenic acid or from the diazonium salt using sodium arsenite. 2,4-Dihydroxy-phenyl-arsonic acid is specified as prepared from resorcinol and conc. arsenic acid.
Patent GB-897443-A (GB)
Title: Improvements in or relating to nuclear reactors
Inventor: MOORE RICHARD VALENTINE
IPC: G21C11/02
Filed: 1958-03-13
Abstract: 897,443. Nuclear reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Feb. 27, 1959 [March 13, 1958], No. 8171/58. Class ,39(4). Part of a reactor containment vessel is internally shielded from the core so that the vessel can be opened without excessive delay. Fig. 1 shows a pressure vessel I containing a graphite core 6, a shield 10, and a heat exchanger 11. A shield 33 closes the vessel and protects the weld at 16 so that the weld can be broken and the contents of the vessel removed as one in the cylinder 9. The shields are of layers of graphite and mild or boron steel. The shield 10 is suspended from a grid 56; the vessel and the core grid are carried by angle brackets. A gas seal 17, thermal shield 4, biological shield 3 and blower 51 are provided. Fuel elements 48 are supported by struts 49 and cylindrical plugs 38. Each plug has a channel containing a push rod 44 for charging and discharging, Figs. 2, 3 and 4 (not shown). Another reactor, Fig. 5, has a shield 111 above the core to protect the top of the vessel. The top of the vessel can then be removed and the vessel partly filled with water while coolant and fuel pipes are removed so that the core can be worked on or dismantled. Specifications 897,446 and 897,450 are referred to.
Patent GB-165183-A (GB)
Title: Improvements relating to knife sharpeners
IPC: B24D15/08
Filed: 1920-03-19
Abstract: 165,183. Harling, R. V. March 19, 1920. No Patent granted (Sealing fee not paid). V-slot blade sharpeners.-A knifesharpener comprises two bevelled - edged dics c, of hardened steel, carborundum, &c., mounted on the same side of a. handle a by screws or bolts e. The handle a is recessed at b where the discs contact with each other. The discs may be mounted eccentrically, and may be replaced by polygonal, curved, or segmental plates.
Patent GB-558813-A (GB)
Title: Improvements in and relating to synthetic resins
IPC: C08G8/28
Filed: 1942-06-17
Abstract: 558,813. Phenol-aldehyde resins. DU PONT DE NEMOURS & CO., E. I., and ROTHROCK, H. S. June 17, 1942, No. 8269. [Class 2 (iii)] Synthetic resins suitable for use in coating compositions and as adhesives are obtained by condensing an aldehyde with a bis-(hydroxyphenyl) compound in which the hydroxyphenyl nuclei are separated by a carbon chain containing at leastfive carbon atoms, e.g. 1.12-bis-(hydroxyphenyl) octadecane; 1.5-bis (hydroxyphenyl) pentane. The hydroxyphenyl nuclei may be connected by chains which are in part aromatic, e.g. omega, omega<SP>1</SP> - bis - (p : p<SP>1</SP>-hydroxyphenyl) p - xylene. Besides formaldehyde acetaldehyde, isobutyraldehyde, valeraldehyde, heptaldehyde, benzaldehyde, phenylacetaldehyde and furfural may be used. The reaction may be carried out from room temperatures up to 200‹C. and in presence of solvents, e.g. hydrocarbons or alcohol &c. and the product may be modified with drying oils ; acid or alkaline catalysts may be used Compositions may be made with the resinous products comprising fillers-aluminium powder, wood flour, ground cork, mica ; natural resins-shellac, damar, congo, copal, rosin ; synthetic resins-oil modified alkyd resins, polyvinyl alcohols, esters, halides, urea-formaldehyde, amine-formaldehyde, oil modified phenol-formaldehyde, hydrogenated rosin ; polyamides ; oils-linseed, tung, soya bean, castor, coconut ; waxes-paraffin, beeswax, carnauba, montan, hydroxy stearin; inhibitors-hydroquinone, cresol, pine oil. Sateen cloth coated with polyamide, bis- (hydroxyphenyl) octadecane, a condensation product of propyleneglycol and castor oil and carbon black was soaked for one hour in a 37 per cent. solution of formalin containing 0.01 per cent. sodium hydroxide. After ageing for three weeks at room temperatures the cloth was unaffected by treatment with alcohol.
Patent GB-120350-A (GB)
Title: Vertical Cylindrical Water-tube Boilers.
Inventor: HORIUCHI HIROSUKE
IPC: F22B13/02
Filed: 1918-05-17
Abstract: 120,350. Horiuchi, H. May 17, 1918. Vertical boilers.-In a vertical cylindrical boiler having an inclined cylindrical combustion chamber 6 fitted with water-tubes 7 slightly inclined to the axis of the boiler, the shell 1 is inclined outwardly at its bottom, and is removably mounted on the furnace casing 4, the furnace being surrounded by an air-heating chamber 14, from which the air supply to the combustion chamber is drawn by an injector 17 operated by steam supplied through a pipe 18. The mouth 19 of the injector outlet-nozzle is flattened. The nozzle may be rotated by a handle 20 so that a jet of steam may be directed upon the water-tubes for cleaning purposes.
Patent GB-249882-A (GB)
Title: Improvements in apparatus for feeding sheets to printing, folding and other machines
IPC: B65H9/16
Filed: 1926-03-26
Abstract: 249,882. Spiess, G. March 27, 1925, [Convention date]. Dropping - roller feeds; sheetregistering devices ; sheet-separators. - In a sheet-feed mechanism for printing, folding, and other machines, the sheet is registered laterally against a guide 23, Fig. 5, bv inclined feed-rollers 2, 2a and longitudinally against a frontregistering stop 8, Fig. 3, carried on a moving endless band 4 so that the movement of the sheet is continuous from the pile to the gripper or like cylinder 3 of the machine. The pile of sheets is supported on an inclined board 10, from which the sheets pass over a roll 11 and are fed forward singly by a friction roller 13. From the roller 13 each sheet passes to two pairs of feedrollers 14, 15 and 16, 17, the first pair feeding the sheet at a low speed and the second pair serving to increase the speed of the sheet and feed it on to the rollers 2. The upper rollers 15, 17 are lifted alternately so that only one pair of rollers is in operation at one time. The rollers 2 are mounted in a frame 18 adjustable transversely of the frame 9 of the machine by means of a screwed spindle 22 and a handwheel 21. The rollers 2a are mounted in a fixed frame 31 and have less obliquity than the rollers 2, so that where the stop 8 comes into operation the sheets are thrust with reduced force against the side guide 23. A blower 32 with downwardly and forwardly directed nozzles 33 assists in feeding the sheets and keeping them on the feedrollers 2. The side guide 23 is fixed to a bar 26 mounted on screwed spindles 27, 28 secured to the frame 18 and adjusted simultaneously by a hand-wheel 29 and connecting chains 30. A horizontal flange 24 on the side guide 23 prevents buckling of the sheet. The speed of the feedrollers exceeds that of the stop 8, so that the sheet is pushed against the stop. The length of the bands 4 may be a multiple of the circumference of the gripper cylinder and the bands carry a number of appropriately spaced stops 8.
Patent GB-401567-A (GB)
Title: Improvements in process for obtaining alkaline hydrates from silicates
IPC: C01D1/04
Filed: 1933-03-20
Abstract: In a process for the treatment of silicates such as leucite with wet steam at high temperature to obtain alkali hydrates, the silicate, which may be mixed with substances facilitating the reaction, is charged into the upper portion of an autoclave, the lower portion of which contains water, the steam produced being condensed after attacking the silicate and the water then evaporated and used again to attack the rock, the cycle being repeated until the whole of the alkali has been extracted or the condensed liquid is saturated.  The top of the autoclave may be cooled slightly either by spraying periodically with water or by omitting to provide a heat-insulating covering for this part. Cooling is unnecessary if the steam is already saturated with water.  The silicate may be sprayed periodically with water having a temperature equal to or slightly below that in the autoclave. Leucite, finely ground and mixed with 30-100 per cent of its weight of calcium hydrate, is mixed with water in the proportion of 10-30 per cent and granulated or formed into blocks.  These are placed in a receptacle having an open top and perforated bottom which is inverted in the top of an autoclave, water being added and heated, a pressure of from 2-100 kilograms/sq. cm. being maintained.  By suddenly releasing the pressure, disintegration of the blocks is effected.  The whole of the potash is extracted in from 2-24 hours, according to the pressure employed. Specification 402,977 is referred to.
Patent GB-677829-A (GB)
Title: An improved paper towel
IPC: A47K10/16
Filed: 1950-04-04
Abstract: <PICT:0677829/III/1> A toilet article, embodying a supply of soap and a towel, comprises a sheet or strip of paper divided by a line of perforations into two portions, one of which is impregnated with soap and, when detached, may be used for washing, while the remaining portion constitutes a towel.  It is preferred to manufacture the article, as shown, as a continuous strip having a line of perforations 2 defining a marginal, soap-impregnated, strip 3 and spaced lines of perforations 1 dividing the strip into detachable sections 4 each comprising a hand towel and a soap-impregnated strip.
Patent GB-137551-A (GB)
Title: Improvements relating to structures such as hangars for aircraft
IPC: E04B1/24
Filed: 1918-05-21
Abstract: 137,551. Richards, T. E. May 21, 1918. Shelters for housing aircraft.-Consists of a shed, Fig. 4, to accommodate the wings of an aeroplane, and a central annexe, Fig. 3, at the rear to receive the body. The shed is made up of right-angled triangular roof trusses a', b, c raised or buttressed rear posts a and connected by a ridge girder or beam p' and braced purlins, the front purlin l<1> being supported by end posts f. The annexe is constructed of symmetrical roof trusses raised on pairs of posts w<1> and connected by a ridge bar p and purlins d<x1>, l<x1>. The members of the trusses are fastened together, as shown in Fig. 6, by applying on their ends, and bolting together, pairs of metal cheeks having radiating ribs. A spring tongue x on the member engages slots in the cheeks by means of its turned end x' and a stud x<2>. Specification 137.548 is referred to.
Patent GB-163554-A (GB)
Title: An adjustable tyre lever
IPC: B60C25/02
Filed: 1920-03-24
Abstract: 163,554. Owens, W. J. March 24, 1920. Tyres, elastic, and tyre covers, tools for removing and replacing.-A device for forcing a tyre edge over the rim flange comprises a lever a having a projecting lug a<1> to engage the tyre, and a cranked extension a<3> terminating in a threaded spindle a<4>. The latter is adjustably secured in a spindle d journaled in one end of a link b, the other end of which is hooked to engage the opposite rim-flange as shown in Fig. 1. The end a<2> of the lever is adapted for removing the tyre from the rim, and the detached portion of the tyre may be held as shown in Fig. 2 by passing the lever a into one or other of the slots f<2> in a separate hooked member f. Specification 143,403 is referred to.
Patent GB-656479-A (GB)
Title: Improvements in or relating to electric floor polishers
IPC: A47L11/40
Filed: 1948-03-25
Abstract: 656,479. Floor-polishers. VAN DER HEEM N. V. March 25, 1948, No. 8775. Convention date, April 15, 1947. [Class 138(i)] An electric floor polisher incorporates a vibration damper which, when the handle occupies its lowermost positions, comes into action and absorbs the vibrations of the floor polisher with respect to the handle. As shown in Fig. 1, the polisher comprises a casing 1 housing an electric motor, a rotatory brush 2, and a handle 3 having connecting legs 4 pivoted to the casing. A vibration damper 5 is fixed to the casing and is embraced by the legs 4, which are preferably wedge or otherwise shaped, during angular movement of the handle between the line B and the horizontal. The damper is not effective for positions of the handle between A and B. Referring to Fig. 3, the damper 5 comprises a cylinder 7, a bracket 6 fixed to the casing, a spring 8 within the cylinder and pressure members 9 fitting over the ends of the spring, which numbers press against the legs 4. In anpther embodiment the damper comprises two arms pivotally connected to the handle and floor polisher respectively. The arms are so pivotally connected with each other by means of friction plates of wedgeshaped cross-section that the more the 'handle is lowered the more the friction between the plates increases. In this case the plates are out of contact with each other when the handle is in its upper positions.
Patent GB-699424-A (GB)
Title: Improvements in cutting or severing machines particularly for rubber and like tubing
Inventor: THORNLEY HARRY SCOTT
IPC: B26D1/00
Filed: 1951-04-16
Abstract: 699,424. Cutting-off lengths of plastic material. UNITED EBONITE & LORIVAL, Ltd. March 25, 1952 [April 16, 1951], No. 8782/51. Class 87 (ii). A machine for cutting, e.g., lengths of extruded rubber tubing comprises a revolving cutter disc a, Fig. 4, mounted on a shaft b journalled in an oscillating plate c, which travels with the rubber tubing being cut. The plate c turns about a shaft h. From the position shown in Fig. 4 the plate turns counterclockwise through an arc of 70 degrees whilst it is moving with the tubing towards the observer, and then stops. Whilst the plate turns it carries the revolving disc b past a lubricated pipe 25 through which the tubing is being fed towards the observer, and cuts off a length. At the end of its turning movement (when the cutter is clear of the pipe 25) the plate moves away from the observer to its initial backward position. The plate then moves clockwise back to the position, advancing with the tubing, and during this movement the disc cuts off another length.  The plate c rides upon rollers f journaled in a frame d. The cutter disc a is driven by a belt or chain g from the shaft h. The shaft h is driven by belts j from a reversible motor which may be adjusted to tension j. Shaft h is connected to plate c through a cone clutch r, controlled by a solenoid or compressed aid unit 3. The frame d  carrying the cutting apparatus and the motor, runs on rollers u, being pulled rearwardly (to the left, Fig. 3) towards a fixed structure w by springs x and being urged forwardly with the tubing by the engagement of rollers 2 with fixed adjustable cams y, z. The rollers 2 are carried by the plate c, and when the plate revolves the upper roller 2, Fig. 3, rides up cam y to urge the frame d forwardly, and then falls off the end of the cam into the gap G, whereupon the springs x pull the frame back. Plate c then turns the other way, whereupon another roller 2 rides up cam z and falls into the gap G, the upper roller 2 yielding by spring action to allow it to climb the steep side of cam y and so return. The degree of turning of plate c is controlled by an arm 7 thereon, this arm moving a member 8 and so operating a switch 9 which stops motor k and reverses its windings. Predetermined lengths may be cut by feeding the rubber tubing to be cut into the path of a beam of light from a photoelectric device. When the tubing interrupts the beam, the solenoid 3 or equivalent device is energized to engage clutch r and so cut a length from the tubing. When the cut length has moved clear of the beam, the clutch is de-energized and the motor re-started (in the reverse direction due to operation of switch 9). A brush 12 having an oil bath 24 lubricates the cutter on the counter-clockwise movement (Fig. 4) only of the cutter, the brush being rocked by cam 19 on plate c, the cam acting through roller 18, arm 16 &c. On clockwise movement of plate c, roller 18 pushes cam 19 aside, the cam pivoting about 20.
Patent GB-453879-A (GB)
Title: Improvements in or relating to rollers or bobbins for the groundropes of trawl nets
IPC: A01K75/06
Filed: 1935-03-21
Abstract: 453,879. Trawling. BENN, C. L., Newton Lodge, Potternewton Lane, and BENN, C. H., 75, Cardigan Road, Headingley, both in Leeds. March 21, 1935, Nos. 8808 and 13064. [Class 48] A ground rope roller comprises two cupshaped members 1 which are secured together by welding to either a T-section ring 2 or a disc 10. A tube 3 for the ground rope passes through the opening in the ring or disc and is secured to members 1 by welding to flared ferrules 6 which may be integral with the tube. In a modification, the ring 2 is arranged wholly within the members 1. When the disc 10 is employed, the roller is strengthened with a rolling band 12. The members 1 may be corrugated.
Patent GB-740048-A (GB)
Title: Improvements in and relating to monochromators
IPC: G01J3/16
Filed: 1954-03-25
Abstract: 740,048. Spectroscopic apparatus. COMMONWEALTH SCIENTIFIC & INDUSTRIAL RESEARCH ORGANIZATION. March 25, 1954 [May 12, 1953], No. 8810/54. Class 97 (1). In a prism monochromator radiation from a source is arranged to pass through the prism before reaching the entrance-slit so that only a narrow wavelength band passes therethrough, the radiation in such passage being refracted at two of the prism faces, and the radiation which passes through the prism after passing the entrance slit being refracted at one of the two said prism faces and at the third face which third face is not traversed by the radiation in its first passage through the prism. As shown, light from a source G is collimated by a concave mirror M<SP>5</SP> and directed on to the monochromator prism P and is reflected by a mirror M<SP>6</SP> to pass twice through surfaces F<SP>2</SP> and F<SP>3</SP>. The light returns to the mirror M<SP>5</SP> and a narrow waveband thereof is directed by a mirror M<SP>7</SP> into the entrance slit S<SP>1</SP> whence it passes via a collimating reflector Ml to the faces F<SP>1</SP> and F<SP>2</SP> of the prism, being reflected back along its path by a mirror M<SP>2</SP>; Mirrors M<SP>4</SP> and M3, arranged at the entrance slit, as described in Specification 682,149, direct the light once more back to the prism and after a number of such passages it emerges through the exit-slit S<SP>2</SP>. The mirrors M<SP>3</SP> and M<SP>4</SP> may be omitted.