baber/WOPTO huggingface dataset:
Patent GB-1499581-A (GB)
Title: Fire detector
IPC: G08B17/11
Filed: 1975-01-03
Abstract: 1499581 Ionization alarm systems PITTWAY CORP 3 Jan 1975 [7 Jan 1974] 171/75 Heading G1N [Also in Division G4] A fire alarm monitoring system employing an ionization chamber 34 and a source of alpha particles 40 is energized from a 12v supply and comprises, a L.E.D. indicator 80 which is illuminated when the system is working in a proper state of readiness, and an alarm horn 68. In the event of a fire the products of combustion increase the impedance of the chamber 34 which causes the conductivity of a MOS-FET transistor amplifer 46 to increase, thereby lowering the voltage at the junction of the resistors 50, 52, and at the base of transistor 54. When this signal or junction voltage, which is the voltage from the MOS-FET amplifier drops below the reference voltage at the base of the transistor 56 forming part of a differential amplifier or voltage comparator, the transistor 56 will be rendered non-conductive and the transistor 54 will be rendered conductive to forwardly bias the transistor 66 and energize the horn 68. The system may be adjusted for sensitivity by altering the potentiometer 64. Should the line voltage at 42 fail, then the voltage across the transistor 54 and the voltage across the diode 59 is no longer sufficient to hold the transistor 72 which then turns off, becomes non-conductive and extinguishes the L.E.D. 80. Should the potentiometer 64 be improperly adjusted to provide too high a voltage then the transistor 54 would be rendered conductive to sound the horn 68. If the potentiometer 64 provides too low a voltage the horn would not sound but the voltage across the transistor 54 and the diode 59 would be less than the required 0.9 volts and the transistor 72 made non-conductive, thereby extinguishing the L.E.D. 80.
Patent GB-195463-A (GB)
Title: Improvements in and relating to the manufacture of pigments or paints
IPC: C09C1/02
Filed: 1922-01-03
Abstract: A coloured magnesium carbonate for use as a pigment is prepared by treating magnesite with a 20 per cent acid solution containing an acid-soluble colouring-agent or a substance which will produce such a colouring-agent.  In an example, a 20 per cent sulphuric acid solution containing potassium ferrocyanide is poured on to magnesite containing iron.  Five parts by weight of ferrocyanide to one part of iron is preferred.  A form of anhydrous magnesium carbonate nearly insoluble in cold acids separates continuously, and as the acidity of the solution decreases the prussian blue formed is transmitted to this deposit. The coloured insoluble magnesium carbonate is washed and dried and may be mixed with linseed oil to form a paint. Saffranine or malachite green may be used as colouring agents.
Patent GB-438835-A (GB)
Title: Improvements in or relating to boxes or similar containers
IPC: B65D5/64
Filed: 1935-01-03
Abstract: 438,835. Boxes. CHAD VALLEY CO., Ltd., Chad Valley Works, Harborne, and WHITEHOUSE, F. R. B., Fairdays, Barlows Road, Edgbaston, both in Birmingham. Jan. 3, 1935, No. 189. [Class 18] A box of cardboard &c. has, in one side, an opening 7 closable by the lid 19 of the box and also by a slide or slides 12 which are independent of the lid and which move beneath the side provided with the opening ; and outward movement of the slides is limited by stops thereon. The opening 7 is provided in the top 6 of an inverted U-shaped member 8 stitched or glued, &c. inside the box, and the slides 12 move in the space formed between the top 6 and a sheet 9 attached to but spaced from the underside of the top 6 by distance pieces 11. The means limiting outward movement of the slides comprises co-operating lugs 17, 18 on the slides and the pieces 11 respectively. An aperture 10 registering with the aperture 7 is provided in the sheet 9, and both apertures and the corresponding part of the slides may be formed or decorated to represent an article. The slides which may be positioned one above the other are pulled out by tabs 15 scored at 16 to allow them to be folded down when the cover is put on. A piece of transparent material, e.g celluloid, may be placed between the slides and the top 6, or the box can be wrapped in a strip of such material. The cover is provided with fastening tapes 20 secured by seals 21, but until the box has been opened the tapes are secured inside the lid.
Patent GB-563533-A (GB)
Title: Improved fitting of an anti-glare device for reflector lamps
IPC: F21V13/10
Filed: 1943-01-06
Abstract: 563,533. Reflector lamps. HUGHES, W. Jan. 6, 1943, No. 241. Addition to 536,765. [Class 75 (iv)] An antiglare shroud 2 desscribed in the parent Specification is supported by a ring 4 mounted on the lamp bulb stem, the ring having hooks 5 projecting through the inner edge of the shroud and attached by coiled springs 8 to spring clips 6 gripping the outer edge of the shroud and having projecting prongs 7 engaging the inner surface of the reflector.
Patent GB-1476290-A (GB)
Title: Method of removing nitrogen oxides from exhaust combustion gas
IPC: C01B21/24
Filed: 1976-01-06
Abstract: 1476290 Nitrogen oxides removal MITSUBISHI CHEMICAL INDUSTRIES Ltd 6 Jan 1976 [13 Jan 1975 16 Jan 1975] 365/76 Heading C1A Nitrogen oxides are removed from exhaust gases at 700 to 1300 C. by treating with oxygen in the presence of an ammonia source and in the absence of a catalyst, the exhaust gas is fed into a combustion chamber which has at least one heat exchange pipe in a zone at a temperature above 700 C., the ammonia source is added at a point downstream of the combustion chamber so that the heat transfer area of the heat exchange surface in the space between the point of introduction of the ammonia and a point one second downstream thereof is from 0 to 0À5 x 10<SP>-2</SP>m<SP>2</SP> per 1 Nm<SP>3</SP>/H, inclusive, of the total gas flow, the outlet temperature of the exhaust gas is at least 700 C. The heat exchange pipes are preferably metallic and may be coated with a scale containing a vanadium component. Suitable ammonia sources are ammonia itself or ammonia precursors e.g. ammonium carbonate.
Patent GB-303649-A (GB)
Title: Improvements in apparatus for separating fluids from solids
IPC: B30B9/20
Filed: 1928-01-05
Abstract: 303,649. Newall, H., and Crosfield & Sons, Ltd., J. Jan. 5, 1928. Roller presses. - The apparatus comprises pressure rollers 1, 2, and a drum or cylinder 3, loosely mounted on the roller 2 and through the surface of which liquid, expressed from crushed oil seed or other material 4, passes. The liquid is collected in a trough 6 and discharged through an outlet 7. The surface of the drum 3 may be built up wires 13, wedge-shaped in cross-section, which rest in peripheral grooves in a series of rings 9, spaced apart on rods 10 by washers 11. The ends of the wires may extend into recesses in the outer rings 12, which may be of larger diameter than the other rings so as to form flanges for the drum. Shorter wires secured by intermediate rings 14 may be used.
Patent GB-394035-A (GB)
Title: Improvements in or connected with means for disinfecting mouthpieces of telephones, speaking tubes and the like
IPC: H04M1/17
Filed: 1932-01-06
Abstract: 394,035. Sanitary and hygienic devices. SCHOENFELD, L., 24, Holborn, London. Jan. 6, 1932, No. 428. [Class 40 (iv).] A readily detachable hygienic attachment for the mouthpieces of telephones, speaking. tubes, &c. comprises a carrier adapted to con. tain or be impregnated with a disinfectant, the impregnated carrier or the lid of the container being pivotally mounted in such manner that it can be turned when desired in order to present alternate faces to the user. Figs. 2 and 3 show a construction employing an annular container 1 for rings 4 of disinfecting material, the base and/or inner wall of the container being perforated or slotted so that the disinfecting medium can readily pass into the mouthpiece. A lid 3 is pivoted on the container by a ball and socket connection 12, 13 so that it can be raised when desired and turned so as to present its freshly disinfected opposite face to the user, the ball 12 being formed with three depressions 17 adapted to co-operate with a projection 18 on a spring-pressed washer 16 in the socket 13. A split spring ring 5, secured in a channel in the underside of the container, is formed with out-turned parts 7 and projections 8 adapted to grip the inner surface of the mouthpiece. The ring is also provided with pins 9, Fig. 3, which, project through slots in the body of the container so that the ring can be collapsed in order to remove the device from the mouthpiece In addition to or in lieu of the ring 5, the device may be provided with clips, prongs or blades adapted to engage either the wall of the mouthpiece or the perforated plate at the base thereof. Fig. 7 shows a modification employing annular pads 25 impregnated with disinfectant adapted to be gripped in a spring clip 23 carried by a ball and socket device 24 on an arm 22 on a split spring ring 19 engaging over the exterior of the mouthpiece 20. If desired, this ring may include lugs 21 having inturned ends adapted to pass over the rim of the mouthpiece. According to a modification of this arrangement the pads 25 are located in a container mounted on the ring 19.
Patent GB-395357-A (GB)
Title: Improvements in and relating to motor head lamp lenses
IPC: F21V5/00
Filed: 1932-01-07
Abstract: 395,357. Lenses for vehicle lamps. HOLOPHANE, Ltd. and ENGLISH, S., Holophane House, Elverton Street, Vincent Square, London. Jan. 7, 1932, No. 516. [Class 75 (ii).] A motor headlamp lens is formed with prisms which are arranged circularly and concentric with the axis of the lens, each prism varying in strength along its length from a maximum at an arbitrarily chosen diameter to zero at the diameter perpendicular to the first diameter, and the prisms varying in strength from prism to prism from the axis of the lens along any radius. A lens which in effect approximates to this is formed in actual manufacture with four or more substantially equal sectors, each sector carrying prisms uniform in angle along their length, but increasing from sector to sector towards an arbitrarily chosen diameter. In the form shown, the lens is formed with two quadrants containing concentric prisms 2, 3 and two clear quadrants 4, 5. The angle of each of the prisms 2, 3 is such that light coming from an associated reflector is refracted to or below the horizontal. The other surface of the lens may have vertical prisms or flutes. The lens may be rotated through 90‹ from the position shown, light being then projected forwardly and to the near side of a vehicle.
Patent GB-1477802-A (GB)
Title: Coated olefin polymeric fibres
IPC: D06M15/333
Filed: 1975-01-07
Abstract: 1477802 Coated dispersable polyolefin fibres MONTEDISON SpA 7 Jan 1975 [11 Jan 1974] 524/75 Heading B2E [Also in Divisions B5 and D1] Polyolefin fibres, suitable for making synthetic paper, are rendered water dispersible by coating them with a condensate of polyvinyl alcohol and a C 1-6  aliphatic aldehyde, containing 2 to 8 aldehyde residues per 100 vinyl alcohol units, the coating being applied by immersing the fibres in an aqueous solution of the condensate. In Examples (1, 3) polypropylene fibres are coated with polyvinyl alcohol/ butyraldehyde, (2) polypropylene fibres are coated with polyvinyl alcohol/butyraldehyde and (4) polyethylene fibres are coated with polyvinyl alcohol/butyraldehyde. Other condensable aldehydes mentioned are formaldehyde, acetaldehyde, alcohol, or mixtures of one or more of the above, or butyraldehyde or propionaldehyde.
Patent GB-785636-A (GB)
Title: Control arrangement for radio or television receivers
IPC: H03J1/04
Filed: 1956-01-06
Abstract: 785,636. Television. STANDARD TELEPHONES & CABLES, Ltd. Jan. 6, 1956 [Jan. 8, 1955], No. 550/56. Class 40 (3). [Also in Group XL (c)] Controls 5, 6, 7 for a radio or television receiver are carried by a unit 4, which is normally housed within an opening in the front wall of the receiver cabinet, but may be withdrawn to permit remote control, the controls being connected permanently in the receiver circuits by means of a cable 12 wound off a spring-loaded drum 14 having a ratchet-and-pawl mechanism 13, 15 releasable by a push-button 11 when it is desired to return the unit. The controls are preferably variable resistors adjusting the receiver by means of direct currents.
Patent GB-1035221-A (GB)
Title: Improvements in and relating to conveyors
IPC: B65G47/48
Filed: 1963-01-04
Abstract: 1,035,221. Conveyer systems. MECHANICAL HANDLING SYSTEMS Inc. Jan. 4, 1963 [Aug. 27, 1962], No. 589/63. Headings B7L and B7N. An overhead conveyer has carrier units 11 on a track 10 moved by a chain 13 having pins 14 engaging dogs 15. A plurality of signal pins 16 held raised or lowered by springs 17, co-operate with a reader station to produce a signal for controlling the conveyer. Before passing a fixed pin-setting station 25 all the pins 16 are raised by a fixed cam 24. The station 25 has a plurality of cam members 28, Fig. 2, each carrying a loosely mounted shoe 36 which co-operates with an electromagnet 33 to hold a member 28 raised. To set the pins 16, one or more of the electromagnets are de-energized and the selected members 28 drop into engagement with a stop 39, and the corresponding pins 16 are depressed as unit 11 passes station 25. A fixed dog 22 on unit 11 engages a roller 43 to rotate a lever 42 connected to levers 48 clockwise, Fig. 2, which, through roller 49, carried by levers 48, and cam member extensions 54, raises the cam members 28 into engagement with electromagnets 33 which are energized to hold the members 28 raised. Lever arms 48 may directly engage the extensions 54.
Patent GB-534959-A (GB)
Title: Improvements in electric insulating materials
IPC: C04B35/46
Filed: 1940-01-11
Abstract: 534,959. Insulating materials. BRITISH THOMSON-HOUSTON CO. Ltd. (Tokyo Shibaura Denki Kabushiki Kaisha.). Jan. 11, 1940. No. 607. [Class 22] Titanium oxide di-electrics are made by mixing with the oxide one or more inorganic water soluble, sulphates or phosphates such as zinc, magnesium or manganese sulphate or sodium or ammonium phosphate, to a total amount of 0.5 to 10 per cent. by weight and heating the mixture to above 1200‹C. Water may be added in the mixing. The product is pulverized, incorporated with a binder, moulded under pressure and heated. Specification 467,113 is referred to.
Patent GB-418946-A (GB)
Title: Improvements relating to the manufacture of rubber insulated cables
IPC: H01B7/22
Filed: 1934-01-08
Abstract: 418,946. Cables. SIEMENSSCHUCKERTWERKE AKT.-GES., Siemensstadt, Berlin. Jan. 8, 1934, No. 684. Convention date, Jan. 6, 1933. [Class 36.] In a method for producing rubber - insulated cables, the individual conductors 5 with their rubber coverings 6 are stranded into a number of core groups together with spare runners to help fill up the hollow spaces between, and are pressed into their desired shape and then vulcanized. The rubber coverings are also coated with talcum powder, chalk or rice meal &c. to prevent them adhering to each other. In the form shown, there are four groups each comprising four conductors 5 which are grouped round an inner rubber core or runner 4. A rubber covering 7 encloses each group or quad and the four quads are stranded round a rubber core 2 containing a conducting wire 3. The whole is then covered with a rubber sheath 8 and over this is applied a lead vulcanization jacket 9 in such a manner as to compress all the rubber coverings so that they change shape and fill up the intervening interstices. The cable is then vulcanized. In modifications the strands are shaped by dies on the stranding machine, by mouthpieces of the extruding machine for forming the rubber coatings or by rollers on the coating machine. Sections of the cable may be placed between sections of an air space insulated cable.
Patent GB-891075-A (GB)
Title: Improvements in or relating to portable welding and/or cutting equipment
Inventor: BASHAM EDGAR WILLIAM JAMES
IPC: B23K5/22
Filed: 1960-01-08
Abstract: 891,075. Welding or cutting by fusion. NORMALAIR Ltd. Jan. 8, 1960, No. 699/60. Class 83 (4). A portable gas cutting and/or welding equipment consists of body harness to which is attached all the required apparatus. The harness consists of a back-plate 1, side-frames 4, hinged to the back-plate 1, shoulder straps 9 and a belt 15. Spare nozzles, goggles and auxiliary equipment are stowed in pouches 64, 67 carried on the shoulder straps 9. Gas bottles 34, 47 are detachably secured to the back-plate 1 and are manually connectable to a manifold 28 mounted on the back-plate 1.
Patent GB-223780-A (GB)
Title: Improvements in water boilers
IPC: F24H1/18
Filed: 1924-01-10
Abstract: 223,780. Zeitlin, H. Jan. 10, 1924. Internally-fired boilers.-A raised conical bottom is provided with water-holding radial vanes c tapering inwards and closed at the bottom but open to the main water-space at the sides and top. Through the centre of the coned chamber depends a vaned draw-off pipe e, f, shown in Fig. 3, the top g fitting into a star-shaped opening in the roof of the chamber. A coned cover l is spaced from the raised bottom and is provided with a steam vent p. A removable cap s is fitted to the vent and, if desired, steam gemerated beneath the cover l, instead of passing under the cap into the main body of water in the boiler a, may be led away for any other domestic use. Flues k lead combustion products to beneath the boiler.
Patent GB-509304-A (GB)
Title: Improvements in or relating to grinding or abrading machines
IPC: B24B47/20
Filed: 1938-01-10
Abstract: 509,304. Grinding-machines. HEALD MACHINE CO. Jan. 10, 1938, No. 736. Convention date, Nov. 3, 1937. Addition to 483,279. [Class 60] The machine described in the parent Specification is modified by the addition of an electrical contact 161, separate from the workpiece and adapted to be engaged by the electrically conductive grinding-wheel 7 to complete the circuit from the transformer 122 through a solenoid 157, whereby a change in the grinding operation is effected. As shown, the change produced causes the wheel 7 to run out of the work, thus stopping the grinding, and for this purpose, the armature 156 of the solenoid engages the arm 155 of a latch 153, Fig. 2, thereby releasing a pivoted arm 152, which, under the action of a spring and through a pin 151, moves a lever 150 pivoted at 149 to lift the reversing dog 17, thereby rendering it ineffective and allowing the machine table to make an extended stroke. The contact 161 may, Fig. 3, be mounted in a contact ring 164 carried by an insulating ring 162 in a groove in the work-chuck 10, the ring 164 being engaged by a brush, or the contact 161 may be in the form of a ring having an internal diameter exactly equal to that of a finished work-piece ; in a further modification, the contact 161 is separate from and external to the chuck.
Patent GB-1026135-A (GB)
Title: Improvements in and relating to electrical contact-making devices
IPC: H05K7/10
Filed: 1963-01-08
Abstract: 1,026,135. Two-part couplings. PHILCO CORPORATION. Jan. 8, 1963 [Jan. 8, 1962], No. 846/63. Heading H2E. A holder particularly for testing a component with terminal wires, such as a transistor, comprises a sectional insulating body 10 having wire-receiving apertures 15 through which extend upper and lower contact tubes 21, 22 bent laterally at 25 and at 26 respectively in order to press upon terminal wires 16 in these regions. The upper tubes 21 are encircled by soldered-on connecting leads 27 passing through slots 32 formed by grooves in adjacent body sections 12a, 12b and the lower tubes 22 have similar lead connections 33, the more remote connections 33 being used for applying operating potentials to the transistor, and the connections 27 close to the transistor being used to introduce high-frequency signals and also to take test readings. The sections 11, 12, 13 of the holder 10 are made of P.T.F.E., and section 11 has flared entry holes to guide the transistor leads 16 down into tubes 21 within section 12, the tubes 21, 22 also having flared guiding entries 23, 24.
Patent GB-1174431-A (GB)
Title: Improvements relating to Line Marking Machines.
Inventor: MCGUFFIE PETER ANDREW
IPC: A63C19/08
Filed: 1967-01-06
Abstract: 1,174,431. Line marking machines. P. A. McGUFFIE. 1 Jan., 1968 [6 Jan., 1967], No. 871/67. Heading E1G. A lining marking machine for use with a dry powdered line marking material comprises a wheeled trolley supporting a container 20 for the marking material, which has a base portion 24 rectangular in plan accommodating a cylindrical brush 28 mounted on a horizontal spindle 29, occupying most of the space in the base portion, driving means 39, and clutch means (35 not shown) adapted to connect the spindle to one of the wheels 14 of the trolley to enable the brush to be rotated when the machine is wheeled along the line to be marked and a grid 26 extending across an aperture (251 not shown) in the base portion in such proximity to the brush as to be struck by the bristles of the brush as it rotates so that the marking material is dispensed through the aperture.
Patent GB-1208051-A (GB)
Title: Improvements relating to seats
Inventor: DALFIUME EUGENIO
IPC: B60N2/50
Filed: 1968-01-05
Abstract: 1,208,051. Resiliently mounted adjustable seats. E. DALFIUME. 5 Jan., 1968 [7 Jan., 1967], No. 908/68. Headings A4J and A4U. In a vehicle seat having an angularly adjustable brack-rest 19, two pairs of bellcrank levers 6, 6<SP>1</SP> are connected to a frame 10, which is movable horizontally to vary the height of the seat and is actuated by a compression spring 12, to provide a resilient seat suspension. On turning knob 15, rod 13 is screwed through it to vary the position of frame 10 and effect the vertical adjustment of the seat, without altering the effect of spring 12. A shock absorber 18 is provided. On raising handle 31, teeth (23, Fig. 3, not shown) are withdrawn simultaneously from notches (27), in sectors (26), carried by the back-rest plate 33, on both sides of the seat. The backrest 19 may then move forwardly, under the action of springs (20), until the release of the handle 31 causes re-engagement of the teeth and notches.
Patent GB-1267898-A (GB)
Title: A method of making electrical circuit elements
Inventor: CHASE GORDON GERBER
IPC: H02K15/04
Filed: 1971-01-08
Abstract: 1,267,898. Dynamo-electric machines. INTERNATIONAL BUSINESS MACHINES CORP. 8 Jan., 1971 [29 Jan., 1970], No. 929/71. Heading H2A. [Also in Division H1] A method of making a tubular armature for use in an electric motor comprise depositing by plating copper 11 on to a stainless steel mandrel 10, covering the copper with a layer 12 of epoxy and, a braided glass sleeve or a winding of glass filament, curing layer 12 under 150 p.s.i. pressure grinding the layer 12 to desired wall thickness and breaking the copper epoxy-glass cylinder loose from the mandrel. The epoxy glass layer is removed from the copper at two bands 15, 16, Fig. 4, and a further layer of copper electrolessly deposited and the mandrel completely removed so as to form a coppersheathed tube, the layers of copper joining and extending beyond the ends of the epoxy tube. Conductors 22, 23, 25 &c. are formed; by conventional techniques, e.g. photo-etching, to form the completed armature, Fig. 6, having a continuous wave-type winding.  The mandrel may be removed by passing the epoxy coated assembly through a die of larger diameter than the mandrel.