baber/WOPTO huggingface dataset:
Patent GB-450799-A (GB)
Title: Indicating device for radio receivers
IPC: H03J1/04
Filed: 1935-10-29
Abstract: 450,799. Adjusting wireless apparatus. PHILCO RADIO & TELEVISION CORPORATION, Tioga Street, Philadelphia, U.S.A. Oct. 29, 1935, No. 29840. Convention date, March 11. [Class 37] [See also Group XIX] Means for attaching a dial 3 to the tuning shaft of a wireless receiving-set, comprise a face plate 1 having a hub 4 for attachment to the shaft and a projecting portion 8 with an arcuate slot 9, interlocking means on the plate 1 and dial 3 to prevent relative movement therebetween, and a resilient locking plate 2 adapted to be placed against the dial, said locking plate having an aperture 14 to receive the projecting portion 8 of the plate and an edge portion 15 adapted to enter the slot 9 and lock the dial 3 in position when the plate 2 is slightly rotated. Projections 17 on the plate 2 prevent it from being rotated beyond the locking position. In the construction shown, the interlocking means between the plate 1 and dial 3 comprise pins 10 on the former and holes 12 in the latter. The dial 3 is formed with an aperture 11 adapted to receive the projecting portion 8 of the plate 1.
Patent GB-689023-A (GB)
Title: Improvements in and relating to the manufacture of photographic colour images
IPC: G03C7/36
Filed: 1951-12-20
Abstract: 2 - Carbethoxymethyl - 4 - quinazoline is prepared by refluxing together ethyl cyanacetate imino ethyl ether and anthranilic acid in ethyl alcohol.  2 - Carbethoxy - 7 - nitro - 4 - quinazoline, 2 - p - toluylmethyl - 4 - quinazolone, 2 - a  - furoylmethyl - 4 - quinazoline and 2-carbethoxymethyl - 5 : 6 - benz - 4 - quinazolone are similarly prepared.  4 - Quinazolone - 2 - acethydrazide is prepared by boiling together 2-carbethoxymethyl-4-quinazolone and hydrazine in ethyl alcohol.  o  - Hexadecylsuccin - 4 - quinazolone - 2-acethydrazide is prepared by refluxing together 4 - quinazolone - 2 - acethydrazide and hexadecylsuccinic acid anhydride in dioxane.  4 - Quinazolone - 2 - methylhydroxamic acid is prepared by refluxing together hydroxylamine hydrochloride, sodium ethoxide, and 2-carbethoxymethyl - 4 - quinazolone in ethyl alcohol.  2 - Carbethoxy - 7 - amino - 4 - quinazolone is prepared by reducing 2-carbethoxy-7-nitro-4-quinazolone dissolved in ethyl alcohol with hydrogen in presence of Raney nickel.  2 - Acetonyl-4-quinazolone is prepared by heating acetoacetylanthranilamide with aqueous sodium hydroxide and neutralizing with acetic acid. Acetoacetylanthranilamide is prepared by heating anthranilamide with diketene in chloroform.  Hexadecenylsuccinic anhydride is prepared by heating together n-hexadecene and maleic anhydride in an autoclave. Hexadecylsuccinic anhydride is prepared by reducing n-hexadecenylsuccinic anhydride dissolved in ethyl acetate with hydrogen under pressure in the presence of Raney nickel or platinum oxide.
Patent GB-647223-A (GB)
Title: A method for the production of textile fabrics with reduced shrinkage
IPC: D06C7/02
Filed: 1947-11-10
Abstract: 647,223. Looms. DOGGER, R. Nov. 10, 1947, No. 29859. Convention date, Oct. 18. [Class 142(ii)] The machine is that described in Specification 647,224 but the claims cover the weaving of fabric with reduced shrinkage, achieved by subjecting the warp yarns to tension only between the braking rollers 6 and the take-up rollers 8, the cops used on the creel coming from the spinning or twisting machine without intervening rewinding operations.
Patent GB-797790-A (GB)
Title: Improvements in or relating to captive closures more particularly for collapsible tube containers
IPC: B65D47/20
Filed: 1956-10-02
Abstract: 797,790. Container closures. BLEASE, F. R., and CALDWELL, S. B. Jan. 21, 1957 [Oct. 2, 1956], No. 29934/56. Class 125(3). A closure for collapsible tubes &c. consists of a screw cap 10 within which slides a piston valve 13 having a stem 14 projecting through an aperture 15, pressure of the contents, when the tube is squeezed, moving the piston 13 to uncover discharge aperture 16 and the valve being returned manually. In a modification, Fig. 12, the orifice 15a is approximately rectangular and the stem 14a of 'corresponding shape has recesses 14b so that it may be locked in closed position by turning it through a right angle.
Patent GB-690370-A (GB)
Title: Sealing means for an end-loading transit mixer
IPC: B28C5/42
Filed: 1951-12-21
Abstract: 690370. Mixing appliances. JAEGER MACHINE CO. Dec. 21, 1951 [June 1, 1951], No. 29983/51. Class 86 In a charging and discharging device for an end loading rotatable drum mixer, which comprises a hopper 12, Fig. 1 carrying a rotatable annular door 31 for the opening 15 of the drum 10, the means, for mounting the door 31 on the hopper comprises flat thrust ring members 26, 32 Fig. 3 carried by the hopper and door re-, spectively in face to face contact, a flexible sealing ring 35 carried by the door remote from the contacting faces of the thrust rings, and a wearing ring 29 carried by the hopper and extending axially of the opening 15, the flexible sealing ring 35 having a free edge which is turned substantially parallel with and into contact with the wearing ring 29. Lubricant introduced through grease gun fittings 37 reaches the various sealing surfaces through passage ways 38 and openings 39.,A dust ring 25 surrounds the thrust rings 26, 32. To hold the door ring assembly on the hopper ring assemblv U-shaped retaining lugs 40 are provided. Diametrically opposed guide, brackets 43, Fig. 5 are attached to the hopper, the outer end of each bracket having a projecting bolt engageable with a guide bracket 45 secured to the frame of the mixer, this arrangement serving to guide the door 31 into proper seating position relative to the drum opening seat 17. The door may be opened and closed by means of an actuating unit 18 which may be the same as described in Specification 690,361.
Patent GB-519466-A (GB)
Title: Improvements in or relating to lifting magnets
IPC: H01F7/20
Filed: 1938-10-17
Abstract: 519,466. Electromagnets. IGRANIC ELECTRIC CO., Ltd. Oct. 17, 1938, No. 30001. Convention date, Oct. 22, 1937. [Class 35] A lifting magnet comprises a magnet frame 1 having concentric inner and outer pole projections 2 and 3, an annular coil unit 4 mounted in the space between said pole projections, an annular seating disc 8 of sheet metal independently connected to the pole projections and forming, with the magnet frame, an enclosure for the coil unit, and a rigid annular shield 11 covering the disc and secured to the pole projection. In the form shown the coil unit 4 comprises a core member 5 fitting over the projection 2, an annular plate 6 and a plurality of windings 7 of strap material. The disc 8 has two flanges 14, 15 fitting against the pole projection 2 and the shoulder 17 of the projection 3 respectively. Shoulders 16, 18 are bored on the projections 2, 3 level with the ends of the flanges 14. 15 and continuous welds 9, 10 formed over the abutting surfaces. The unit 4 and the disc 8, flexible at the marginal portions, are protected by the shield 11 cast with channels 22 of V cross-section, filled with compacted' material, such as concrete, giving good heat conduction. Bored and flanged pole shoes 12, 13 bolted to the magnet frame 1 clamp the disc 8 between the pole 3 and the shield 11 and between the core member 5 and the shield 11. The terminals and terminal elements are in pockets 30, 33 provided with caps 34, 35. The ends of the shield 11 are spaced radially from the flanges 14, 15 and the points of connection between the flanges and the magnet frame.
Patent GB-728249-A (GB)
Title: Improvements in or relating to the minute division of substances
IPC: A01M13/00
Filed: 1952-11-27
Abstract: 728,249. Spray-producers. JAEGER, H. Nov. 27, 1952 [Nov. 27, 1951; April 18, 1952], No. 30015/52. Class 69 (3). [Also in Group VI] A mist-forming method consists in vaporizing a substance by heating it indirectly by means of a current of inert hot gas and subsequently feeding it into the said gas current, the gas and vapour being then added to a current of carrier gas flowing at a greater velocity. The substance 2, Figs. 1 and 2, is heated within a container 1 by a hot gas stream 6 flowing through a pipe adjacent a heating plate 3, and also by a second gas stream 8 which, under the control of a flap 9, is divided from the main stream and flows through a pipe 11 to a heat-exchange chamber 12 and back to the main stream. On opening a valve 13 the substance passes into a pipe 15 and from there it is fed via a regulating valve 16 to an outlet 10 in the stream 6. The carrier gas stream is produced by a blower 19, Fig. 5, which supplies the gas concentrically about the end of the hot gas pipe. The two streams may then be mixed by a centrifugal device and delivered through a common pipe. In a further embodiment the divided stream passes through the heat-exchange chamber and joins the main stream which is then fed with the substance. Alternatively the divided stream, after passing through the heat exchange chamber, is fed with the substance, and the mixture is then drawn into the main stream by injector action. Apparatus in which the hot gas stream is passed through a steam generator and wherein the steam produced is used to heat the container, is described.
Patent GB-252038-A (GB)
Title: Improvement in paper bags
IPC: B65D30/24
Filed: 1924-12-13
Abstract: 252,038. Marks, E. C. R., (Bates Valve Bag Co.). Dec. 13, 1924. Paper bags; securing bags, special means for.- Bags constructed of a plurality of thicknesses of paper to withstand heavy usage are formed so that the plies of paper are free to move relatively at the points subject to bending, the closure of the bags being effected by sewing, stapling, or the like. The sewing 21 may pass through reinforcing strips 22 of material such as adhesive tape and may be cut without injury to the bag by a knife 50 which has shoulders 51, 52 on its blade to separate the walls of the bag. Additional length may be given to the bag so that a new seam mav be made farther from the end of the bag. Separately pasted tubes of paper may form the plies of the bag, and new inner and outer tubes may be applied to replace worn-out tubes. A filling-valve 23 may be formed adjacent a closed end by folding in a portion of the bellows fold 30 of the. bag, the sides of the valve being pressed against the walls of the bag by the weight of the material. The reinforcing strips 22 preferably extend beyond the valve, as at 32 in Fig. 1, and may extend across the inturned walls of the valve to retain the valve in its folded position. The valve 23 may be omitted, the filling tube 45 being passed through the bellows fold or through an opening made in the fold as shown in Fig. 8. The seams form vent. openings for trapped air.
Patent GB-868120-A (GB)
Title: Improvements in and relating to steam generators
Inventor: REPPEL KARL HANS
IPC: F22B21/34
Filed: 1956-10-03
Abstract: 868,120. Water-tube steam boilers; superheaters. MONT INTERNATIONAL ASSOCIATION Ltd. Aug. 30, 1957 [Oct. 3, 1956], No. 30100/56. Classes 123(2) and 123(3) A water tube boiler has an upright furnace divided into two compartments 2, 19 by a vertical tubulous partition 26, each compartment being fired separately by burners 1 and being lined respectively with radiantly heated steam generating tubes 3 and with radiantly heated steam superheating tubes 17. Gases from the upper parts of the evaporating and superheating compartments 2, 19 flow through lateral passes locating respectively an evaporating tube bank 4 and a secondary superheater 29 into down-passes locating respectively another evaporating tube bank 5 and a reheater 31. The lateral passes and the upper parts of the downpasses are divided by a rearward extension 32 of the furnace partition wall, the two gas flows uniting beneath the downpass dividing wall 32 for flow through an economizer 6 and air heater 7. Steam generated in the banks 4, 5 and in the water tubes 3 is separated in a drum 9 and flows in succession through the radiant tubes lining the superheater furnace section 19 and the convection superheater bank 29. During starting- up, only the evaporating section is fired, steam being led to the superheaters when the working pressure has been attained. Firing of the superheater furnace section 19 is commenced when its lining tubes have been warmed up by the steam now and is increased slowly until the desired steam temperature is attained. During normal operation, steam temperature is controlled by adjustment of the firing rate of the superheater section. The invention is of application to forced recirculation boilers as shown in the Figure or to natural circulation boilers.
Patent GB-200752-A (GB)
Title: Improvements in or relting to carving forks
IPC: B24D15/08
Filed: 1922-11-06
Abstract: 200,752. Street, G. H. Nov. 6, 1922. Carving-forks.-A carving-fork has a sharpening-device arranged thereon so that a knife is sharpened by drawing it between the prongs of the fork. As shown a pair of wheels a, a<1> are mounted on the fork but fixed knife edges may be used. Specifications 1723/78, 6440/89, and 17136/94, are referred to.
Patent GB-1511558-A (GB)
Title: Optical roll alignment device
IPC: B21B38/00
Filed: 1975-07-18
Abstract: 1511558 Aligning rolls in roll-mills BRITISH STEEL CORP 14 July 1976 [18 July 1975] 30270/75 Heading G2J The alignment of the grooves I in co-operating rolls of a rolling mill is facilitated by an optical device having mirrors 8, 9 relaying an image via a lens 14 to a further lens 16 which projects an image on to screen 18. A template on a transparent plate 15 allows the alignment to be checked. To focus the assembly a support carries all the optics but the mirrors 9 and is moved by a rack and pinion.
Patent GB-248859-A (GB)
Title: Improvements in or relating to bituminous emulsions
IPC: C08L95/00
Filed: 1924-12-16
Abstract: 248,859. Hay, G. S. Dec. 16, 1924. Emulsions, making. - An aqueous bituminous emulsion is stabilized by adding to the prepared emulsion a proportion up to about ten per cent of a stabilizing agent comprising one or more aliphatic alcohols and/or one or more hydrogenated phenols and/or one or more carbohydrates, the added substance or substances being water-soluble and capable of lowering the freezing point of the emulsion without disrupting it. Specified stabilizers are allyl alcohol, montan-wax alcohol, glycol, glycerine, cyclohexanol, glucose, fructose, and dextrin, and of these the specified alcohols are preferably employed as they exert, to some extent, a solvent action on the bitumen. Examples describe the stabilization of a bituminous emulsion prepared as described in Specification 202,201. Specifications 219,348 and 220,393 also are referred to.
Patent GB-857393-A (GB)
Title: Improvements in or relating to valves for fluids
IPC: F16K17/10
Filed: 1958-09-23
Abstract: 857,393. Hydraulic pit props. BOSCH G.m.b.H., R. Sept. 23, 1958 [Sept. 28, 1957], No. 30289/58. Class 20(2) [Also in Group XXIX] An overflow or pressure relief valve for a hydraulic pit prop comprising a tubular housing 18 mounted in a cavity 17 formed in the cover 16 of a telescopic pit prop 1, 2, slidably mounts a first valve member 36 urged by a spring 83 towards a second valve member 67 slidably mounted in the first valve member and urged by a plurality of plate springs 80 towards the first valve member. The pressure of the liquid in the lower or pressure chamber 13 of the prop transmitted through a tube 24 connected to a piston 7 separating the chamber 13 from the upper or storage chamber 22 of the prop acts on both valve members and when this pressure assisted by the loading of the spring 83 overcomes the loading of the plate springs 8 both valves move together until the valve member 36 is arrested by a stop-ring 52 whence the valve member 67 moves away from the valve member 36 to open the valve to transfer liquid from the pressure chamber to the storage chamber. A pin 60 carried by the valve member 36 and passing through slots 69 in the valve member 67 may on engagement by a lightly spring- loaded plunger 73 operable by a lever 91 having a cam face 92 move the valve member 36 against its spring 83 away from the valve member 67 to open the valve and collapse the prop. The lever 91 on turning it through 180 degrees may also be used to drag the prop away. Instead of being operated by the lever, the plunger 73 may be operated by a piston-andcylinder.
Patent GB-409035-A (GB)
Title: Improvements in display signs
IPC: G09F11/26
Filed: 1933-10-20
Abstract: 409,035. Moving signs. HUGGETT, L. J., 9, Stoke Newington Road, London. Oct. 20, 1933, No. 30344/32. [Class 3 (i).] An endless band b carrying detachable upstanding letters, articles, illustrations, &c. is passed around a bank of pulleys arranged in two rows, each row having a plurality of pulleys d, e arranged side by side on a single shaft. The band may be returned from the end of one row of pulleys to the start of the other row by providing one or more other banks of pulleys n, m which the band traverses in the reverse direction. The letters &c. are held in slotted saddles on the band, and appear travelling horizontally or in a semi-circular or angular path above the enclosing cabinet.
Patent GB-744044-A (GB)
Title: Improvements in and relating to a mineral-mining machine
Inventor: RENWICK GEORGE
IPC: E21C27/04
Filed: 1951-12-28
Abstract: 744,044. Mineral-mining apparatus. COAL INDUSTRY (PATENTS), Ltd. Dec. 29, 1952 [Dec. 28, 1951], No. 30370/51. Class 68(1) [Also in Group-XXX] Apparatus for cutting mineral from, and conveying it to a point remote from, a face comprises a base plate 10 on which is mounted a cutting unit comprising a frame supporting a pickcarrying endless chain 12, the peripheral configuration of which can be varied since the guide channel accommodating the chain 12 on the frame is formed of adjustable, pivotally connected elements, and a hood 22 that collects and guides the cut mineral into an internally, helically ribbed pipe 18 that urges the mineral rearwardly when it is rotated. The endless chain 12 is driven by suitable gearing 20, 21, 16 from the pipe 18 and is provided with a pilot drill 15. The pipe 18 may be rotated either directly from a motor situated on the base plate, or through a series of coupled, internally helically ribbed pipes 24, some of which or the one furthest from the pipe 18 are or is rotated by separate motors or motor. When the drive is applied to the end of the pipe line, the drive unit consists of a driven pipe 34 coupled to the pipe line and rotated by a motor 30 and advanced by hydraulic jacks 40, the pipe 34 sliding within a pipe 36. When a new pipe is to be added to the pipe line the pipe 34 is unscrewed and withdrawn, and stops holding a pipe on an inclined lamp are released to allow the pipe to move against further stops by which it is aligned with the pipe line to which it is coupled on advanced and rotation of pipe 34. The drive unit may be duplicated. T-couplings may be inserted in the pipe line, each limb of pipe line extending from said couplings being driven by a separate motor.
Patent GB-427979-A (GB)
Title: Improvements in or relating to the manufacture of organic mercury compounds
IPC: C07F3/10
Filed: 1933-11-03
Abstract: Mercury trichlorethylenide is prepared by agitating trichlorethylene with an aqueous alkaline solution of an alkali metal cyanide to which freshly-precipitated mercuric oxide has been added, preferably as an aqueous paste.  The process may be started with the use of an aqueous alkaline solution of mercuric cyanide and after removal of the mercury compound formed, the aqueous solution then regenerated by the addition of the mercuric oxide in an amount equivalent to the mercury compound previously formed.  After removal of the mercury compound, the process of regeneration may be repeated for the production of further batches of mercury compound.  An example is given.
Patent GB-519956-A (GB)
Title: Swimming sandals
IPC: A63B31/14
Filed: 1938-10-24
Abstract: 519,956. Swimming sandals. MEYER, T. Oct. 24, 1938, No. 30743. Convention date, Oct. 25, 1937. [Class 77] Walking in swimming sandals having wire frame propelling flaps is facilitated by making the sole of rubber and the flap frames of wire bows open on their inner sides and connected at their ends to the toe and heel of the sole along its central line in such a way that the flaps. may be turned upwards and secured in position for walking by elastic links 10, detachably connected during swimming between the wire bows and a ring 8 on the sole and preventing reversing of the flaps when expanded. Cloth covering the frames 6 has semi-circular end pieces 13 forming with the rest a trough-like surface.
Patent GB-786641-A (GB)
Title: Improvements in or relating to barometers
Inventor: APPLEBY ERNEST MARK HEDWORTH
IPC: G01L19/08
Filed: 1954-10-25
Abstract: 786,641. Barometric gauges. APPLEBY & IRELAND, Ltd. Jan. 25, 1956 [Oct. 25, 1954], No. 30746/54. Class 106 (2). A barometer is provided with a pointer 19, Fig. 1, pivoted to swing about an axis 18 disposed behind the dial 26 parallel therewith and having a portion 21, Fig. 2, in front of the dial which is turned at right angles into parallelism with the dial and normal to the plane of swing of the pointer. The housing 11 may be a plastic injection moulding closed by a bezel 25 in which the dial 26 is mounted. The barometer may be combined with a thermometer having a similar pointer 22, 23 moving over a temperature scale 28 also on the dial 26.
Patent GB-324126-A (GB)
Title: Improvements in or relating to coin freed vending machines
IPC: G07F11/24
Filed: 1928-10-24
Abstract: 324,126. Avery, Ltd., W. & T., and Bradley, L. C. Oct. 24, 1928. Delivery of articles stored in piles.-In coinfreed vending-machines the articles are stored in several columns and delivered by an intermittently-rotated ejector carried by a shaft operated by a manually operated member which .carries a concentric spur, bearing on the periphery of the coin and utilising it as a mechanical transmission member, means also being provided to prevent delivery by jarring actuation of the manually operated member without the insertion of a coin. Delivery of the packages from the storage column 6 is effected by gravity on rotation of the loose discs 10. As the discs rotate, each column in turn registers with a pocket or flat 10<b> on the discs and the lowest article in the column falls into the pocket. Coin-slit closing-mechanism; returning coins. -The columns of articles 6 press levers 7 rearwardly to withdraw tcom-diverting mechanism from the position in the coin shoot 5 in which it diverts the coin to the return shoot when the columns are empty. Coin action, mechanical-connection.-The coin is received between discs 11 and effects a mechanical connection between the handoperated lever 13a and the discs 10 through the medium of the spur 13<b>. A spur on the lever 14 is actuated by the coin to move the lever out of contact with the pins 11<a> on the initial rotation of the discs. The lever 14, springs back into contact with the next pin, when released, to prevent the movement continuing beyond the point at which one package is delivered. Should an attempt be made to bye-pass this return movement of the lever 14 by jerking the handle 13<a>, the additional movement, of the latter rotates a bell-crank 16 into an obstructing position through the medium of the pin 13d.