baber/WOPTO huggingface dataset:
Patent GB-954648-A (GB)
Title: Improvements in and relating to multi-ply valve sacks
Inventor: OWENS WILLIAM VINCENT
IPC: B65D30/24
Filed: 1960-04-08
Abstract: 954,648. Paper bags. PAPER SACKS Ltd. April 7, 1961 [April 8, 1960], No. 12525/60. Heading B8K. A valve-sleeve-forming extension 5 integral with one of the inner plies at a corner of a multi-ply bag is of such width as to extend beyond the transverse folding lines 6 of the face flaps and is reversely folded outwardly over the outer ply of the corner, whereby when the face flaps 8, 9 are folded over, the extension 5 forms a sleeve with an overlapping seam 7, Fig. 4. The plies of the bag may be stepped as shown and the extension 5 is preferably formed with the intermediate ply 2. The extension 5 may be reversely folded about the end 3a of the outer ply before the folding in of the corner and the seam 7 is secured by adhesive after the face flaps have been folded about the lines 6. After filling, the open end of the sleeve is sealed by paste or adhesive tape. The other corners of the bag may be formed as described in Specification 695,196 or 853,881.
Patent GB-573274-A (GB)
Title: Keystone correction circuit for television apparatus
IPC: H04N3/233
Filed: 1943-08-06
Abstract: 573,274. Television; electronic scanning. FARNSWORTH TELEVISION & RADIO CORPORATION. Aug. 6, 1943, No. 12749. Convention date, April 30, 1942. [Class 40 (iii)] In a television scanning circuit in which the line-scanning wave is modulated in accordance with the varying amplitude of the field-scanning wave for correcting keystone distortion, the modulator 20 comprises two valves 25, 26 connected in push-pull, the grids of the valves being fed with line-scanning waves of equal amplitude, but of opposite polarity, the anodes being fed in parallel over lead 46 with the fieldscanning waves and the cathodes beingcorinected through a balanced choke 35. The two opposing windings of the choke lie side by side and close together and the mid-point is connected to ground through a resistance 29 and condenser 28, the choke and its connections serving to remove from the modulated linescanning wave the fundamental and higherorder frequencies of the field-scanning wave. The modulated line-scanning wave is fed from the choke 35 through an amplifier 38 to the deflecting coils 42 of the cathode-ray tube 40. The line-deflecting saw-tooth waves of opposite polarity supplied to the modulator 20 over leads 16, 17 are generated by two similar condenser resistance timing circuits 7, 8 ; 12, 13 connected respectively to the anode and cathode of a valve 10, the grid of which is fed with square-topped waves from a generator 2. Specification 573,272 is referred to.
Patent GB-298583-A (GB)
Title: The manufacture of new vat dyestuffs
IPC: C09B3/02
Filed: 1927-05-12
Abstract: 298,583. Carpmael, W., (I. G. Farbenindustrie Akt.-Ges.). May 12, 1927. Benzanthrone dyes.-The conversion products obtained by treating Bz I-phenylbenzanthrones with aluminium chloride (see Specification. 297,129) are converted into vat dyes by melting them with a caustic alkali or other alkaline condensing agent, such as an alkali metal amide, anilide, or alcoholate. In an example, the conversion product from Bz1-phenylbenzanthrone is heated with potash and alcohol, the excess of alcohol distilled off, and the dye isolated in the form of green flakes by dilution with water; it dyes cotton in fast bluish-green shades from a blue vat.
Patent GB-255423-A (GB)
Title: Improvements in process and apparatus for the manufacture of gas from heavy oils
IPC: F02M27/02
Filed: 1926-05-19
Abstract: 255,423. Chilowsky, C. July 16, 1025, [Convention date]. Oil gas; materials for making gas.-Oil is atomized with hot air and gasified by partial internal combustion at a temperature between 600‹ and 1000‹ C. in the presence of a contact substance or catalyst such as solid or molten iron, platinum, alumina, &c. The air is supplied through a pipe 11, Fig. 1, and sprays oil from a nozzle 12, and the mixture is ignited by a spark plug 31 in the presence of the catalyst 15; steam from a coil 18 may be mixed with air. The reaction chamber may be worked under reduced pressure by means of an exhauster, or bv engine suction. With animal and vegetable oils, chlorides of magnesium, zinc or aluminium, or bromides may be admixed. Oxygen may be used instead of air, and coal in a colloidal state may be added to the oil. Specifications 20980/89, 21369/05, 29029/09, and 183,828 are referred to. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a modification in which oil and air are supplied through pipes 10, 11. Fig 1 (Cancelled), to a combustion chamber 9 and the products therefrom atomize oil supplied through a pipe 12 to a chamber 14 containing the contact material 15; additional air may be admitted through the pipe 20 and apertures 14<1> together with steam generated in a coil 18<1>. The gas escapes through a conduit 17 surrounding the air pipe. This subject-matter does not appear in the Specification as accepted.
Patent GB-611346-A (GB)
Title: Flue dust removing apparatus
IPC: F23J11/00
Filed: 1946-04-29
Abstract: 611,346. Cleaning furnace flues. ZIMMERMAN, J. April 29, 1946, No. 12819. [Class 99 (ii)] [Also in Group XII] A flue-dust removal system for open-hearth furnaces comprises a duct extending from a deposit area within the - furnace to an external discharge point and an exhauster coupled to the duct for evacuating the dust. Each checker chamber 5, 6, of an open-hearth furnace has sumps 12, Fig. 2, from the bottom of which a passage 14 leads to a header pipe 14a extending upwardly at the rear of the stack 11 to a commondischarge duct 15, a valve 10 being provided in each pipe 14a adjacent to its junction with the duct 15. The duct 15 enters in a substantially tangential direction, the upper part of a cylindrical extension 19, Fig. 4, the bottom of which has an annular opening to a receiver 16. A duct 23, Fig. 3, is positioned centrally in the extension 19 and is connected to a steamactuated exhauster 24, the lower end of the duct 23 entering the top of the receiver and extending to well below the point of entry of the duct 15. Suction induced by the exhauster is transmitted through ducts 23 and 15 to the sumps 12. Dust withdrawn from the sumps through the duct 15 is projected tangentially into the upper end of the extension 19 and subsequently drops to the bottom of the receiver 16. The steam supply to the exhauster is controlled by an automatic two-position valve 31 to which is connected also a pipe 32 leading two a cylinder 33 having, a piston 34 which controls a closure valve 18 at the bottom of the receiver 16. In one position of the valve 31, steam is admitted both to the exhauster and through pipe 32 to the cylinder 33, the piston 34 holding the valve 18 closed; in the second position the steam supply to the exhauster is shut-off and.the pipe 32 is opened to the atmosphere, causing the piston 34. to release and the valve 18 to open. The receiver and exhauster may be mounted on a truck 37 which travels on rails at the back of a row of furnaces, detachable couplings being provided for connection of the receiver to a duct 15 and for the supply of steam to the exhauster; a receiver 40 of large capacity is placed on the truck below the receiver 16. In a modification the sumps and associated pipe system of a furnace.are replaced by a flexible conduit, one end of which.is connected to the receiver, the other, end being introduced into the interior of the furnace through manholes in the ends of the checker chambers.
Patent GB-108563-A (GB)
Title: Improved Means for Opening and Closing Carriage Windows.
Inventor: PORRITT WILLIAM THOMAS
IPC: E05F11/38
Filed: 1916-09-12
Abstract: 108,563. Porritt, W. T. Sept. 12, 1916. Vehicle-window opening and closing apparatus. -In a lazy-tongs arrangement, the lower ends of the lazy-tongs move in a channel 20, are guided by pins in slots n in the sides of the channel, and are drawn towards one another by springs 26. The arrangement is such that a very small amount ot movement of the operating-handle is required for opening or closing the window. In the arrangement shown, the lowest joint of the lazytongs is connected to the horizontal arm of a bell-crank lever 6 pivoted at 3 low down in the frame, while the upper end of the vertical arm is connected by a link 19 with an arm 2 which is rotated by a handle 7. When the window is in the raised position, the link 19 and arm 2 are nearly in the same straight line with the upper end of the lever 6 resting against a spring stop 32 so that the parts are locked in this position. The parts may, however, be locked with the window in the partially opened position by reason of a series of ball catches 13 engaging with semicircular apertures or sinkings in a base-plate 4. The balls are operated by springs 14 and housed in apertures in a disk 5 rotating with the operating handle 7.
Patent GB-476559-A (GB)
Title: Improvements in servo brake mechanism for vehicles and the like
IPC: B60T13/06
Filed: 1936-05-07
Abstract: 476,559. Fluid - pressure brakes. AUTOMOTIVE PRODUCTS CO., Ltd., and GATES, G. R. G. May 7, 1936, No. 12883. [Class 103 (i)] [Also in Group XXIV] In clutches intended for use in servo brake mechanism of the type which derives power from a rotary part of a vehicle, one set of plates is made of greater diameter than the other in order to increase-rate of cooling, and fluid-operated means is provided to act upon a rocker-lever transversely pivoted to transmit pressure to the plates. In the form shown in Fig. 1, a single slave cylinder 22 has a piston 23 which acts upon a rocker 27 carrying rollers 32 in contact with a thrust plate 21. The large plates 15 are traversed by rods 18 fixed in a driven member 16 so that they rotate in unison. Brakes are actuated by means of a chain or the like 34 connected as shown in Fig. 3 to a nut 36 threaded on an axially movable member or by heart-shaped cam and follower. If the clutch cannot be mounted on the propeller or like shaft of a vehicle the device shown in Fig. 5 may be used, in which a shaft 71 driven from the propeller shaft carries the clutch plates. Pressure is applied by a piston 90 through a rocker 92, there being sufficient reaction at the pivot 93 to check oscillation of the plates. The large plates are connected by. a rod 77 to a rotary casing 79 mounted on a hollow spigot 87 through which liquid passes by way of a gland to a slave cylinder 84. Specification 439,882 is referred to in the Provisional Specification.
Patent GB-684585-A (GB)
Title: Improvements relating to the bodies of motor vehicles
IPC: B62D25/08
Filed: 1951-05-31
Abstract: 684,585. Road vehicle bodies. BARENYI, B. May 31, 1951 [Jan. 26, 1949], No. 12965/51. Class 108 (i). The transverse walls 3, 4 of a vehicle body are bowed outwardly as seen in plan to increase the interior accommodation.
Patent GB-493640-A (GB)
Title: Improvements in electrical switches or circuit breakers and contacts therefor
IPC: H01H33/12
Filed: 1937-05-07
Abstract: 493,640. Oil -blast switches; switch contacts. WHITEHEAD, G. E., and WHITEHEAD'S ELECTRICAL INVENTIONS, Ltd. May 7, 1937, No. 13159. [Class 38 (v)] The main current carrying fixed contact in or for a circuit-breaker is of the resilientsleeve type and carried at the mouth of a metal housing, the co-operating main moving contact is in the form of a tubular plug carrying within its bore a spring-urged arcing-contact in the form of a plunger engageable with an arcing-contact surface in the housing above the resilient sleeve contact. In Fig. 1, a metal housing 3 carried on the contact-stem 1 is enlarged at 4 to form a casing for a circularlylaminated, main fixed contact 5, as in Specification 409,085, and is threaded to receive an enlarged part 14 carrying the renewable fixed-arcing contact 13. The main moving plug contact 6 carries in a central bore an arcing contact plunger 9 which is urged upwards by a spring 10 in the bore surrounding a stem 11. The housing 3 acts as an explosion pot, and is disposed in an insulating shrouding tube 15 in a perforation in a plate 16 extending across the oil tank of the breaker. In Fig. 3, the plunger 9 slides in a resilient sleeve contact 18 similar to 5, and spring 10 is replaced by external springs 19 on guide rods 20 on a plate 21 fixed to the plunger. Oil may be pumped upwards through the housing 3 during opening of the breaker. Specification 392,930 also is referred to. The Provisional Specification states also that the arcing plunger may engage a laterally-projecting arcing- contact in the housing, as in the above-mentioned Specifications.
Patent GB-268995-A (GB)
Title: Improvements relating to buttons and other fastenings for flexible materials
IPC: A44B1/36
Filed: 1926-05-25
Abstract: 268,995. Morton, T. May 25, 1926. Buttons.-A device for attaching eyed buttons and other fastenings to flexible materials comprises a two-part washer arranged on the reverse side of the material and a pin or collar attached to and accommodated between the parts of the washer and adapted to pass through the eye of the button. As shown, the washer comprises disc-shaped sides a, b integral at one edge and connected at the other by a folded lug. The sides have a central aperture into which the eye k of the button l enters, or one side may have a domed cover n. The side a has a diametrical corrugation to form a guide for a split pin f which passes through the eye k and has an enlarged end h which enters a recess i in the corrugation to prevent unintentional withdrawal of the pin. In a modification, the pin is integral with a lever pivoted to the washer.
Patent GB-1281261-A (GB)
Title: A process for gaseous reduction of oxygen containing copper and apparatus therefor
Inventor: VOGT JOHN
IPC: C22B15/14
Filed: 1970-03-19
Abstract: 1281261 Tuyeres NORANDA MINES Ltd 19 March 1970 13265/70 Heading F4B [Also in Division C7] Molten copper is deoxidized by injecting below the surface thereof gaseous hydrocarbon which is at a pressure of at least 30 p.s.i.g. or has been preheated to about the temperature of the melt. The hydrocarbon may be unreformed natural gas, methane, ethane, propane or butane and may be injected alone or mixed with air or steam. The gas is preferably introduced through a tuyere which comprises an outer heat resistant pipe 16 (Fig. 4) secured to the furnace wall 17 and extending from the inner face of the wall to at least the outer face thereof; and an inner pipe 19 slid inside and being of greater length than, outer pipe 16 with a refractory seal interconnecting the two pipes for preventing gas blow back. The gas is supplied from a hose 23 through a "T-piece".
Patent GB-370686-A (GB)
Title: Improvements in and relating to voltage surge indicators
IPC: G01R19/165
Filed: 1931-05-05
Abstract: 370,686. Pyrotechnic devices. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Al.dwych, London.-(Assignees of Price, A. L. ; 813, Thompson Street, and Menger, F. B. ; 59, Linden Street, both in Schenectady, New York, U.S.A.) May 5, 1931, No. 13276. Convention date, May 5, 1930. [Class 9 (ii).] In an electric surge indicator of the kind compris. ing a frangible member ruptured by the surge, the frangible link 21 comprises a glass tube 32 con.. taining black gun - powder 35 located between electrodes 33, 34, which are sealed by wax 36. A. number of links may be exploded in sequence. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a modification, Fig. 6 (Cancelled), wherein a clip 52 grips a shell 54 having removable flanges 55, 56, and a shoulder 61 engaged by a plunger 62. An explosive mixture is located between the plunger and a bushing 57, an electrode 58 projecting into the powder space. On the passage of a surge, a cork 67 is blown out of the shell and the indicator plate 68 drops. This subject-matter does not appear in the Specification as accepted.
Patent GB-1142766-A (GB)
Title: Filter with automatic bypass-shutoff
IPC: B01D35/143
Filed: 1967-03-21
Abstract: 1,142,766. Filter. MARVEL ENG. CO. 21 March, 1967 [21 March, 1966], No. 13287/67. Heading B1D. A filter assembly in which filter flow to and from filter element 12 is shut off by bypass spool valve means 30 when a certain pressure differential is caused by clogging of the filter element 12 comprises a fluid inlet 17, fluid outlet 19, communicating with filter chamber A, valve means 30 mounted for movement from a position (Fig. 4) enabling the said communication into a position (Fig. 3) wherein portions of the valve means close communication of the inlet and outlet passages 17, 19 with the filter chamber A in response to a pressure differential between the passages 17, 19 caused by contamination of filter element 12, the valve means 30 including a portion 61 (Fig. 3) opening direct communication of the inlet and outlet portions when the valve means is in the position of Fig. 3. In operation normal fluid flow (Fig. 4) is via inlet 17, passages 54 and 14, chamber A, filter element 12, passages 11, 57 and outlet 19. When a pressure differential is caused between passages 17, 54 and passages 19, 57 by clogging of the filter element 12, piston 34 and valve portion 41 will be pressed against the action of spring 40 and move to the right allowing fluid in passage 54 to flow through passage 46 and 44a to force the whole valve means 30 to the right to the position shown in Fig. 3. This closes passages 14 and 11 substantially sealing off filter 12 but allows direct flow from inlet 17 via passage 61 to outlet 19. Filter element 12 can now be removed for cleaning after separating housing portion 3 from head 2. On reassembly, normal filtration can be effected by applying finger pressure to rod portion 38 to move the valve means 30 to the left. The movement of valve means 30 and rod portion 38 to the right when the filter element 12 is clogged may actuate electrical switch elements to shut down operation of the filter and actuate visual or audible signals in addition to the signal given by the position of coloured indicia 49, 39 attached to the valve means 30.
Patent GB-1389978-A (GB)
Title: Albums
IPC: B42F5/00
Filed: 1973-03-20
Abstract: 1389978 Photo mounts PAPYRIA AG 20 March 1973 [16 Feb 1973] 13366/73 Heading A4X [Also in Division B6] An album comprises leaves each constituted by a paperboard sheet 1 to which a transparent, rectangular plastics sheet 2 is attached by weld seams or adhesive bonds 3, 4 which form pockets, the seams or bonds crossing at right angles so that the corners of the plastics sheet can be turned back to receive photographs.
Patent GB-117344-A (GB)
Title: An Improved Composite or Reinforced Concrete or like Bar or Beam for use in the Construction of Buildings, Bridges and the like.
Inventor: STEWART PEREZ MASON
IPC: E04C3/293
Filed: 1917-09-18
Abstract: 117,344. Stewart, P. M. Sept. 18, 1917. Reinforced-concrete beams; ceilings.-A reinforced beam or bar consists of plain or flanged parallel side members 10. 12, held and spaced apart by bolts 15 in tubes 16 and provided with atie 21 secured to end plates 23 and bearing against the tubes 16, the interior being filled with concrete or gypsum. The concrete may project below the lower face of the beam and be formed with grooves 27 to key with the ceiling plaster 25. Wire mesh 30 extends under the beams and is supported by bolts from the flanges of the members 10, 12. The beam is applicable as a skylight bar and for bridge construction.
Patent GB-1419989-A (GB)
Title: Method of removing a liquid contaminant from a surface
IPC: C23G5/02
Filed: 1973-03-20
Abstract: 1419989 Removing electroplating contaminants; cleaning metals ALLIED CHEMICAL CORP 20 March 1973 [20 March 1972] 13400/73 Headings C7B and C7E A contaminating first liquid is removed from an article surface by washing the surface simultaneously with a second liquid, having a different density and in which the first liquid is not over 10 wt per cent soluble, and a third liquid, miscible with the first liquid and not over 10 wt per cent soluble in the second liquid, the third liquid being present in a wt per cent of the second liquid greater than the wt per cent solubility of the third liquid in the second liquid and less than 400 wt per cent of the second liquid thereby displacing the first liquid from the surface. The second and third liquids are free from surfactants. When the contaminating liquid is a polar compound such as water or an aqueous electrolyte solution, e.g. a Cr, Cu or Ni plating bath, the second liquid is preferably a (halogenated) hydrocarbon, e.g. C 2 Cl 3 F 3 , CCl 3 F, C 2 Cl 4 F 2 , C6H3C13, CH 2 Cl 2 , CCl 4 , CBr, CHCl 3 , C 2 HCl 3 , CHBr3, C 2 Cl 4 , C 7 H 16  and/or C 8 H 1  8;  when the contaminating liquid is a non- polar compound such as oil, the second liquid may be water (solution), alcohol, ketone and/or ether. The third liquid, preferably insoluble in the second, may be water, a more dilute electrolyte solution or a water miscible alcohol. For example, articles removed from a Cr plating bath may be washed in a mixture of 99% C 2 Cl 4  or C 2 Cl 3 F 3  + 1% water; and articles coated with machine oil may be washed in a mixture of 98% ethylene glycol + 2% isooctane. The displaced first liquid and the second and third liquids are collected and caused to separate into a second liquid phase, which is recycled as second liquid, and a first and third liquid phase, which is recycled as third liquid. With the third liquid water, the second liquid and water may be sprayed through separate or common nozzles on to the article; the aqueous phase may be removed and concentrated to remove water. The surface may be further washed. In a Cr plating system, methanol or aqueous sodium metabisulphite may be incorporated into the third liquid to form trivalent Cr.
Patent GB-830108-A (GB)
Title: Improvements in manufacture of ferric oxide
IPC: C01G49/06
Filed: 1958-04-28
Abstract: Alpha ferric oxide of red colour suitable for use as a pigment is prepared by digesting pigmentary g -Fe2O3 in suspension in an aqueous solution containing 0.1-0.5 mol/l. of a ferrous salt of an inorganic acid at 70-100 DEG  C.  The g -Fe2O3 may be the natural product or produced by oxidation of natural or synthetic magnetite or dehydration of hydrated g -Fe2O3.  In connection with the preparation of the starting material Specification 643,303 and U.S.A. Specifications 802,928, 857,044 re - issues, 1,392,925, 1,392,926, 1,420,985, 1,424,635 and 2,357,096 are mentioned.  If the initial material contains a minor proportion of ferrous oxide, there may be added to a slurry thereof in water, an acid, e.g. sulphuric or hydrochloric sufficient to react therewith or hydrochloric sufficient to to react therewith and form Itogether with additional ferrous salt, if necessary) the solution of ferrous salt for the digestion; alternatively oxygen or air may be passed through the suspension. The ferrous salt solution preferably has a pH of 2.5-4.5 and contains no appreciable amount of free acid or ferric iron.
Patent GB-438026-A (GB)
Title: Device for testing the sparking plugs of internal combustion engines by means of neon tubes
Filed: 1935-05-07
Abstract: 438,026. Ignition testing. KERN, W., 26, Sihlfeldstrasse, Zurich, Switzerland. May 7, 1935 No. 13440. Convention date, May 4, 1934. [Class 7 (iv)] A neon tube 13 mounted in a transverse slot in a rotatable member 5 may be connected to any one of a set of sparking plugs. One end of the tube engages a contact 16 having a rounded lower end for snap-engagement with the recessed upper ends of the terminals 10 to which the plug leads are attached. A spring 17 ensures close contact, and adjustment is made by a handle 12. The neon tube may be withdrawn after removal of the insulating plug 14.