baber/WOPTO huggingface dataset:
Patent GB-543979-A (GB)
Title: Improvements in or relating to the packaging and preservation of dried materials
IPC: B65D77/04
Filed: 1940-08-19
Abstract: 543,979. Packing. STOKES MACHINE CO., F. J. Aug. 19,1840, No. 13207. Convention date, Dec. 19, 1939. [Class 94 (i)] A process for packaging materials which are adversely affected bymoisture consists ir enclosing the material in a container which is placed in ar hermetically sealed outer con. tainer containing a dry atmosphere. A dessicant may be placed in the outer container, and a moisture indicator may also be included. The inner container 1 may consist of an aseptic via with a vacuum stopper having a section 2a of reduced thickness which can be punctured by a hypodermic needle. The outer container 3 may consist of a metal can the ends of which are hermetically sealed, and it may be provided with a portion 3a removable by a canopening key. Preferably a dessicant 4 is placed in the container 3, and a layer 5 of cotton may be interposed between the dessicant and the container 1. A moisture indicator, such as a cobalt salt that changes colour with absorption of moisture, may be enclosed in the container 3 or may be .mixed with the dessicant. The dessicant need not be used if the container 3 can be baked or otherwise treated to remove all entrapped moisture and then sealed in a dry atmosphere. In a modification, the container 3 may consist of a collapsable tube of soft metal, the open end of the tube being closed by a folded or cruumpled seal. In another modification, the container consists of. a glass bottle or jar provided with a screw cap and a suitable gasket. Specification 439,657, [Group V], is referred to.
Patent GB-882039-A (GB)
Title: A process for the production of finely divided polyethylene terephthalate material from fibre waste
IPC: C08G63/88
Filed: 1960-04-13
Abstract: Finely-divided polyethylene terephthalate is made from fibre waste by treating the fibres either by a continuous or a non-continuous process in countercurrent with superheated steam at a temperature which is at least 3 DEG C. below their melting point until the relative viscosity of the polymer has fallen to less than 1,4, and thereafter mechanically comminuting the material thus formed while it is still hot in powder form.  Comminution may be effected during the discharge from the treatment chamber with a worm having a progressively decreasing pitch height, which is coupled to a percussive instrument or to a rotating blade. Alternatively it may be effected in a cross-beater mill.  The comminuted material may be reacted with methanol to form dimethyl terephthalate.  Specification 839,371 is referred to.
Patent GB-1384766-A (GB)
Title: Fluid control device
IPC: F23N5/02
Filed: 1972-03-21
Abstract: 1384766 Valves KEIHINSEIKI SEISAKUSHO KK 21 March 1972 [23 March 1971 27 July 1971 29 July 1971] 13257/72 Heading F2V [Also in Division F4] A valve, for controlling the passage of liquid fuel from a fuel tank to a burner, (33, 32, Fig. 1, not shown), comprises a float-controlled inlet valve 6 and a three-position outlet valve 7, the positions of the latter corresponding to a fully open position, a fully closed position and an intermediate position. In the closed state of valve 7, as shown, the opening force of spring 27, acting on valve 7 is overcome by the opposing force of a closing spring 23 acting between a pivotable reset member 21 and a reset rod 24 which engages a valve operating rod 9. Energization of a coil 11 serves to turn in an anticlockwise direction a crank member 25 which is biased in the opposite direction by a third spring 27 2 . Thus, the reset member 21 is released from under stop 26 and so valve 7 is allowed to move to its fully open position. On de-energizing coil 11, and crank member 25 is moved clockwise by the spring 27 2  and so valve 7 ismade to return to its intermediate position whereat the oppositing forces of springs 27, and 27 2  are balanced. The force of spring 27 2  is variable by a setting unit 28 whist the maximum opening movement of valve 7 is governed by a rotatable cam stop 8. The reset member 21 carries an operator button 22. The sequence of operation of the valve 7 is governed by the circuit shown in Fig. 3, wherein 12 is a main switch, 13 is a temperature sensitive changeover switch, 34 is an ignition-sensitive switch and 29 is fan motor. In operation, when switch 12 is closed for igniting the burner a first path b of the circuit magnetizes electromagnet 11 and so crank 25 is turned anticlockwise, this corresponding to movement of valve 7 to its fully open position. After igniting the burner by the ignition heater 34, switches 13 and 34 are cut-off. This now corresponds to movement of the crank 25 in a clockwise direction and hence to valve 7 attaining its intermediate position. The fuel flowing to the outlet 4 is thus maintained at its properly limited value. When the burner (32) is so heated as to generate white smoke, the temperature-sensitive switch 13 selects a several path c of the circuit whereby electromagnet 11 is again energized and valve 7 is again moved to its fully open position. Thus, the amount of fuel flowing through the outlet 4 is kept at its maximum value.  Modifications of the valve and the associated circuitry are in Figs. 4-6, not shown.
Patent GB-132720-A (GB)
IPC: G09B29/10
Abstract: 132,720. Burgon, C. S. Feb. 27, 1919. Maps.-An advertising cabinet has, as shown, a series of spaces or frames for advertising matter and a sectional street or railway map provided with index letters &c. corresponding with letters &c. on the spaces for indicating the location of the advertisers' premises &c. External or internal illuminating-means, with or without a changing light effect, may be provided, and the cabinet may have means for attaching it to a wall or support, or legs secured to the ground.
Patent GB-132902-A (GB)
IPC: A46B3/10
Abstract: 132,902. Tomlinson, H. Oct. 7, 1918. India-rubber brushes. - Shaving and other brushes are made from a strip of rubber or like flexible sheeting 1 in which slits 2 are made to form bristles, some or all of which are perforated. The strip is rolled upon itself and secured by a cord 4 and button 5 or other means, the upper part of the sheeting forming the handle; or the strip may be rolled upon a wooden or other stock. Some of the bristles may be slit at their ends.
Patent GB-387664-A (GB)
Title: Improvements in or relating to aerial systems having a directional effect
IPC: H01Q21/12
Filed: 1931-05-06
Abstract: 387,664. Directive wireless signalling. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Em. masingel, Eindhoven, Holland. May 6, 1931, No. 13453. Convention date, May 26, 1930. Void [Published under Sect. 91 of the Acts]. Drawings to Specification. [Class 40 (v).] To secure a definite field-strength at a given distance with a minimum expenditure of power, the spacing d of a directional array of aerials is determined by the formula d=<n>/n+1# where n is the number of separate aerials and # the wave-length. For broadside radiation, each aerial should be fed in phase, and the optimum spacing is co-ordinated with the electrical spacing (which must be one or more whole wavelengths) by inserting loading-impedances in the feed-lines, or by bending or coiling the lines. For end-on radiation the spacing between two aerials, or in-phase rows, is <7>/12 # with a phasedifference of 230‹. The current-amplitude should preferably be greater at the centre of a row of aerials than at the two ends.
Patent GB-345862-A (GB)
Title: Improvements in locks which are arranged so that the key will operate in either direction
IPC: E05B21/00
Filed: 1930-05-02
Abstract: 345,862. Locking mechanisms. BURROWS, G. H., Phoenix Works, New Road, Willenhall, Staffordshire. May 2, 1930, No. 13510. [Class 44.] A lock tumbler C pivots on a fixed stump a when the lock key is turned about the upper key pin as shown and on a stump a<1> when turned about the lower key pin. The stump a engages a slot e concentric with the stump a<1> and the stump a<1> engages a similar slot e<1>. The tumbler is pressed by a spring F which passes behind a fixed stump a2 and in front of two abutments c<1>, c<2> on the tumbler.
Patent GB-947640-A (GB)
Title: Improvements in or relating to the removal of sulphur compounds from waste gases
Inventor: GERRARD JOHN STANTON
IPC: B01D53/52
Filed: 1960-04-19
Abstract: Hydrogen sulphide and sulphur dioxide are removed from waste gas from a Claus kiln by passing the gas through a first and second scrubbing tower in series, aqueous ammonia solution is introduced into the second tower and is passed countercurrently to the gas through the two towers. (NH4)2S2O3 is formed in the first tower and reacts with H2S in the second tower to precipitate sulphur.  Gas leaving the second tower may be passed through a third or more towers in series countercurrently to a flow of water and the liquid from the base of the last tower is fed to the second tower.
Patent GB-1377328-A (GB)
Title: Chromogenic benzopyran compounds
IPC: B41M5/136
Filed: 1973-03-21
Abstract: 1377328 Flavone derivatives NATIONAL CASH REGISTER CO 21 March 1973 [31 March 1972] 13563/73 Heading C2C [Also in Divisions C4 and D2] 4<SP>1</SP>- Dimethylaminoflavone, 3<SP>1</SP>,4<SP>1</SP> - dimethoxyflavone and 4<SP>1</SP>-nitroflavone are obtained by reacting o-hydroxy-acetophenone with p-dimethylaminobenzoyl chloride, 3,4-dimethoxybenzoyl chloride, or p-nitrobenzoyl chloride respectively (Examples 6, 7 and 8).
Patent GB-349746-A (GB)
Title: Improvement in pose-reflecting systems for photographic apparatus
IPC: G03B17/53
Filed: 1930-05-02
Abstract: 349,746. Photographic studio accessories. JACKSON, L. MELLERSH-, 28, Southampton Buildings, London.- (Simjian, L. G.; 1329, Chapel Street. New Haven, Connecticut, U.S.A.) May 2, 1930, No. 13622. [Classes 98 (i) and 98 (ii).] In a pose reflecting system especially for use with automatic and semi-automatic cameras a mirror 10 is arranged surrounding the camera lens 13 or to one side of it and is viewed by the person posing through a concave lens 16, through which the photograph is also taken. A hood 15 may be fitted between the mirror 10 and the lens 16 to exclude extraneous light.
Patent GB-202384-A (GB)
Title: Improvements in portable electric lamps
IPC: F21L4/00
Filed: 1922-05-15
Abstract: 202,384. Kay, R. C. May 15, 1922. Supporting.-In a portable electric lamp in which the lamp socket is secured by an universal joint to an elastic band or clip or other means for attachment to the person, one member of the joint acts as a sliding contact maker which keeps the lamp circuit closed during a considerable angular movement of the lamp socket. As shown in Figs. 1 and 2, a reflector a, with which the socket b is integral, is attached to a hinge member e pivoted at g on the rectangularly bent lower member f. This member is pivoted at j on a finger-clip l. Electrical contact is made between the member e and a plate n when the lamp is tilted forwards from the position shown in Fig. 1, and is broken when it is tilted backwards. The circuit is from terminal h to plate n, wiping surface e<2>, reflector and socket b, lamp cap and filament, to insulated contact d<1> and terminal d. In the modification shown in Fig. 6, the lamp circuit is interrupted when the reflector is turned forwards. The lower pivot is attached to a metal strip which secures it to a wrist or head strap u. One of the Provisional Specifications states that the device may be provided with a hook for attachment to a buttonhole and with flexible leads for connection to a battery.
Patent GB-747066-A (GB)
Title: Improvements relating to gas-fired recuperative furnaces
IPC: C21D9/70
Filed: 1954-05-11
Abstract: 747,066. Furnace recuperators. HUTTENWERKE PHOENIX AKT.-GES. May 11, 1954 [May 26,1953], No. 13755/54. Class 64(1). The waste gases from a group of gas-fired furnaces 17-20, e.g. for heating steel billets, are conducted to a main pipe 21, 22 to which the recuperators 23-30 associated with all the furnaces are connected. Thus all the furnaces can be supplied with adequately pre-heated air and gas, even if one is receiving a cold charge while another is at its final temperature and others are still being heated up. In the form shown, air and gas mains 38, 43 feed the recuperators 23-26 and 27-30 respectively, and the heated air and gas pass to mains 52, 57 which feed the furnaces through branches such as 60, 64. In another form, each pair of recuperators supplies heated air and gas to one furnace only.
Patent GB-188686-A (GB)
Title: Improvements in the extraction of hydrocarbons from wood
IPC: C10G1/02
Filed: 1921-05-17
Abstract: 188,686. Plauson's (Parent Co.), Ltd., (Plauson, H.). May 17, 1921. Filtering.-The gases &c. from a cylindrical distillation chamber 5 are passed through a hollow cylindrical filter 16 formed of superposed layers of wire netting, perforated metallic sheets or wire coils, on their way to the outlet, and the internal surface of the filter may be cleaned by a worm 7 rotating within it. Specification 155,834, [Class 1 (i), Chemical processes &c.], is referred to.
Patent GB-1326967-A (GB)
Title: Electrodedositing a polymeric coating
IPC: C09D5/44
Filed: 1971-05-07
Abstract: 1326967 Electrodeposited carbonyloxy/ melamine polymer TEXTRON INC 7 May 1971 [8 May 1970] 13804/71 Heading C7B A method of coating a substrate comprises electro-depositing from an aqueous dispersion a coating comprising a carbonyloxy group containing, film forming, polymeric material and a melamine compound capable of cross-linking the polymeric material, contacting the coating with a water soluble acid pH< 6 during and/ or after the deposition and subsequently curing the coating. The acid treatment permits a reduction of curing conditions to the range 200<SP>#</SP>F. for 30 min to 350‹F. for 5 min thus enabling vacuum metalized plastics to be used. The film forming material may be monocarbonyloxy materials such as lower alkyl substituted acrylic acids and esters or alternatively polycarbonyloxy materials such as trimellitic acid, adipic acid, maleic anhydride or itaconic acid. The carbonyloxy containing monomer may be reacted with another monomer which may be an ethylenically unsaturated material such as styrene, acrylonitrile, butadiene, vinyl toluene, butylenes or octenes. The film forming material may be at least partly neutralized by ammonia or an organic amino compound. The melamine cross-linking agents may be melamine aldehyde reaction products wherein some of the methylol groups have been modified with hydroxyl containing substances. The acids for treating the electro-deposited coating may include, formic acid, acetic acid, sulphamic acid, tolvene sulphonic acid or mineral acids such as hydrochloric, sulphuric or nitric acids. Treatment may be carried out by spraying, rinsing or by merely dipping the substrate into the acid. After the acid treatment the deposited coating may be rinsed with a non-ionic surfactant such as polyoxyethylene alkyl phenyl ether. The electro-deposition voltage is between 20-500V and the bath temperature 60-125‹F. The coating composition may also contain pigments, dyes, paintdriers and surfactants.
Patent GB-560501-A (GB)
Title: Improvements in or relating to metal electric rectifiers
IPC: H01L21/06
Filed: 1942-10-02
Abstract: 560,501. Asymmetrically - conducting resistances. STANDARD TELEPHONES & CABLES, Ltd., and SEARLE, A. M. Oct. 2, 1942, No. 13850. [Class 37] Rectifiers, in which a layer of semi - conductor is sprayed first with an insulating layer and then by a counter electrode, are made by the use of successive masks such as 9, 10. The increase in the masked area due to the spraying of insulation through the mask 9 on to a number of elements, is compensated for by the decrease in the area of counter electrode sprayed through the aperture of mask 10, due to repeated use. All the elements of a batch have thus substantially equal rectifying areas.
Patent GB-720959-A (GB)
Title: Improvements in hinges
IPC: E05D7/10
Filed: 1953-05-18
Abstract: 720,959. Hinges. CARLSTROM, C. L., and JONSSON, B. L. May 18, 1953. No. 13851/53. Class 65 (2). A hinge comprises a top flap 1 having a socket 2, a bottom flap 3 having a socket 4, and a hinge pin having a cylindrical top portion 6 received in the socket 2 and a non-cylindrical portion 8 detachably received in a corresponding- ly shaped portion of the socket 4, the socket 2 being provided at its lower end with a side opening 12 of a width corresponding to the thickness of the portion 6 and of a length less than that of portion 6, and the hinge pin being provided below the portion 8 with a cylindrical portion 9 of less cross section than that of the portion 8 to form with the latter a shoulder 8a. A plug 10 is screwed into socket 4 against the end of portion 9 to effect axial adjustment of flap 1. A door secured to a pair of flaps 1 is mounted on flaps 2 secured to the frame by first positioning the top hinge pin so that the shoulder 8a rests upon the top end of socket 4, and then engaging the top socket 2 with the portion 6 of the top hinge pin. The portion 6 of the bottom hinge pin is then passed through the slot 12 in the bottom socket 2, and the shoulder 8a of the top hinge is disengaged by means of a slight push to enable the door to drop into its hinged position.
Patent GB-1036504-A (GB)
Title: Writing medium for electrostatic printing
IPC: G03G5/10
Filed: 1965-04-01
Abstract: A sheet suitable for use as an electrostatic writing medium comprises a paper base sheet having substantially uniformly distributed throughout a polyhydric alcohol and ammonium chloride, said paper base sheet having a continuous dielectric insulating coating thereon. The weight of polyhydric alcohol and ammonium chloride may be within the range of 2 to 12 pounds per 3000 square feet of paper base sheet. The ammonium chloride may be present in an amount within the range of 0.1 to 25 per cent by weight of the paper base sheet and in which the polyhydric alcohol is present in an amount within the range of 0.1 to 35 per cent by weight of the paper base sheet.  The polyhydric alcohol and ammonium chloride may be present in the ratio of 1 part by weight of ammonium chloride to 1 to 4 parts by weight of the polyhydric alcohol.  The polyhydric alcohol may be glycerol, ethylene, glycol, diethylene glycol, triethylene glycol, propylene glycol, pentaerythritol or sorbitol.  The dielectric coating may be polyvinyl chloride or acetate, polyvinylidene chloride, polyethylene, a polyacrylic acid ester, a vinyl acetate-crotonic acid copolymer or other vinyl acetate copolymer, polyesters an alkyd resin, an oil-modified alkyd resin, shellac, microcrystalline wax, a petroleum hydrocarbon resin, a butadiene-styrene copolymer, nitrocellulose, cellulose acetate, or an epoxy resin.  The sheet may be produced by applying the polyhydric alcohol-ammonium chloride composition to the paper base sheet preferably after coating with a dielectric material if the ammonium chloride is soluble in the coating, or if insoluble in the coating, or of a barrier coating is employed between the dielectric coating and the paper, the composition can be applied before coating.
Patent GB-687081-A (GB)
Title: Improvements in or relating to photographic contact printing and developing apparatus
IPC: G03B27/06
Filed: 1950-06-02
Abstract: 687,081. Photographic contact printing and developing apparatus. POLLARD, J. D., and BYNG, R. C. May 22, 1951 [June 2, 1950], No. 13899/50. Class 98 (ii). Apparatus for the photographic reproduction of documents comprises a printing cabinet 11 having its upper end closed by a rectangular transparent printing support 15, a light source within the cabinet and means for pressing sensitized paper and a document to be reproduced into contact with one another on the printing support, in combination with a developing cabinet 13 attached to the printing cabinet 11 and comprising means to support three deep developing tanks 47 one behind the other within the cabinet with their upper edges somewhat below the top thereof and a lid 50 adapted to be hinged down to enclose the tanks when not in use, each of the tanks being of a dimension from side to side not less than one of the dimensions of the printing support 15, of a breadth front to back adequate for convenient insertion of the bands of an operator but not substantially greater and of a depth greater than the breadth and adequate to permit prints as long as the other dimension of the printing support 15 to be fully immersed in the tank (when it is full) by lying in the tank in a curved formation extending down close to one interior wall of the tank, across the bottom and up close to the opposite wall. In the form shown, the printing and developing cabinets are interconnected by a storage cabinet 12 on the top of which a stationary drying unit may be positioned or over which a continuously operated dryer as described in co-pending Specification 687,086, [Group XIII], may be moved. The cabinet shown has a hinged lid 16 with a rubber covered sheet 18 affixed thereto. This sheet has a nipple 20 connected to or suction pump 23 which operates when a projection 32 on a toggle lever 30, serving to hold the lid down, enters a recess 32 in a wall of the cabinet and operates a micro-switch 34. The air from beneath the rubber sheet 18 is thus removed and the document and sensitized paper are held firmly in contact. When the toggle lever is released, a spring 26 urges the lid to its open position and the pump 23 stops. After exposure, the print is transferred to the tanks in the developing cabinet 13. The print is immersed in the several tanks and after removal from the last thereof it may be pressed against a glazed surface 53 of the lid 50 to remove surplus liquid, this surface standing forward of the main part of the lid so that liquid runs back into the rear tank 47.
Patent GB-592783-A (GB)
Title: Improvements in or relating to boilers for ranges, stoves and the like
IPC: F24C13/00
Filed: 1945-06-02
Abstract: 592,783. Hot-water boilers. URE, G. June 2, 1945, No. 13931. [Class 64 (i)] [Also in Group XI] A boiler for ranges, stoves, and the like comprises at least one straight vertical tube 2 of good heat-conducting and corrosion-resisting metal, separate from but in close contact with a massive block 3 forming a wall of the firebox 5 of the range, stove or the like. The tube or tubes may, as shown, be completely encircled by the block. The rear part of the block is semi-cylindrical, and the front portion is rectangular in horizontal cross-section. Vertical shoulders on the sides of the block fit against a plate parallel to the rear of the stove, and the space 4 behind this plate is filled with lagging.