baber/WOPTO huggingface dataset:
Patent GB-567679-A (GB)
Title: Improvements in or relating to conveyor chains
IPC: F16G13/07
Filed: 1943-05-05
Abstract: 567,679. Driving chains. LUMMUS CO. May 5, 1943, No. 7120. Convention date, April 29, 1942. [Class 24) Chains for conveyers comprise side bars 10, 11 spaced by thimbles 14 and joint pins 15 which are welded into apertures in the side bars, whereby the tensile strength of the link is said to be increased. The links are preferably all made of offset bars, so that all the component parts of the chain are uniform. When used as a conveyer chain, plate brackets 22 with upturned lugs 23 are welded to the side bars and provide supports for the buckets.
Patent GB-420035-A (GB)
Title: Improvements in and relating to electric transformers
IPC: H01F29/04
Filed: 1934-03-06
Abstract: 420,035. Transformers. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of St. Palley, Z. O.; 131, Elizabeth Street, Pittsfield, Massachusetts, U.S.A.) March 6, 1934, No. 7143. Convention date, March 6, 1933. [Class 38 (ii)] A transformer has three terminals 23, 24, 25, connected to a three-phase circuit 26, 27, 28, pairs of windings (14, 18), (20, 15) and (17, 21) being connected in series between each pair of terminals. The voltages in the windings of each pair are not in phase and may be represented sectionally by the position of the windings shown, a six phase hexagonal voltage being produced in the closed series winding arrangement composed of the three pairs of windings. Three further windings 22, 19 and 16 are so arranged that the voltages produced therein are respectively in phase with the voltages in the corresponding windings 21, 18 and 15 of the closed series arrangement and have adjustable sections thereof connected between the corresponding terminals 23, 24, 25 and the conductors 33, 34, 35 of a second three-phase circuit by means of tappings 32 and tapping switches 36. The voltage of any conductor in the second three-phase circuit is equal to the vector sum of the voltage in the corresponding conductor of the first threephase circuit and the voltage in the section of the winding connected between these two conductors. The arrangement therefore permits variation in the ratio and phase angle between the voltages in two three-phase circuits. The terminals 23, 24, 25 are connected either to the centres of the windings 22, 19 and 16 or are connected to these windings through tapping switches. The windings of the transformer may be arranged on a three limb core (Fig. 3 not shown).
Patent GB-415817-A (GB)
Title: Improvements in gear-change mechanism
IPC: F16H63/14
Filed: 1933-03-09
Abstract: 415,817. Controlling variable-speed gearing. LLOYD, L. A., 39, Butterfield Street, Richmond Hill, Leeds. March 9, 1933, No. 7159. [Class 80 (ii).] In motor-cycle variable-speed gearing, wherein a striking-element 45 is moved stepwise in either direction by successive movement, always in the same direction, of an operating member, such as a main-clutch cable 15, under control of a preselector-cable 33, which determines only whether the change shall be upwards or downwards, the clutchcable 15, through links 19, 20, oscillates simultaneously in opposite directions a pair of arms 21, 25, each carrying, on lower extensions 23, 26, a spring-pressed pawl 24, 27, either of which can be preselectively tilted out of engagement with internal ratchet-teeth in a rotatable drum 4, carrying the speed-changing element 45, by turning a cam-disc 31 under control of the preselectorcable 33. The drum 4 is carried on a fixed spindle 2 and the clutch-cable 15 is interrupted by an adjustable coupling-rod 11, passing through the spindle and operating a lock for the drum 4, the lock comprising a spring-detent 7, released by a spring-catch 9 moving with the coupling-rod 11. The spindle 2 carries a neutralizing hand-lever 37, normally held by a spring 43 in a horizontal position, and movable upwards or downwards, to an extent limited by stops 41, to engage pins 42 carried by the drum 4 on either side of the lever 37. The neutralizing-lever 37 is operated after the preselector-cam 31 has been moved to a neutral position, in which both pawls 24, 27 are disengaged from the drum 4.
Patent GB-1344572-A (GB)
Title: Production of concentrated hydrogen chloride from aqueous solutions thereof
IPC: C01B7/01
Filed: 1972-02-16
Abstract: 1344572 Hydrogen chloride IMI (TAMI) INSTITUTE FOR RESEARCH & DEVELOPMENT 16 Feb 1972 [11 March 1971] 7161/72 Heading B1B A vapour containing at least 75% by weight hydrogen chloride is obtained at the top of a fractionation column by introducing aqueous hydrochloric acid containing 15 to 35% by weight of HCl into the upper region of the column and, at the same level or up to 4 plates above it, introducing a dehydrant salt solution while introducing superheated steam (e.g. at 175C.) into the bottom region of the column, the temperature of the dehydrant salt solution being such that it has a vapour pressure of 50 to 300mm Hg, and causes condensation of most of the steam inside the column. The preferred salt solution is 55% calcium chloride; and it is fed to the column at 80-90C. The residual water-vapour in the HCl vapour leaving the top of the column may be removed by passing it to a reflux condenser, or by contacting it with concentrated hydrochloric acid, sulphuric acid or phosphoric acid.
Patent GB-852325-A (GB)
Title: Improved means responsive to the density of smoke
Inventor: CRAXTON ROBERT TREVOR
IPC: G01N21/53
Filed: 1956-03-07
Abstract: 852,325. Photo-electric smoke detection. BRITISH THOMSON-HOUSTON CO. Ltd. March 6, 1957 [March 7, 1956], No. 7174/56. Class 40(3). [Also in Group XXXV] In a smoke detection apparatus light from a source 5 is projected across a smoke duct 1 on to two concentrically arranged photo-electric cells 6, 7, the annular cell 7 receiving light attenuated by smoke in the duct 1 while the inner cell 6 receives unattenuated light via a smoke proof tube 4 in the centre of the beam. The signal from the unattenuated beam is represented at V1 and the signal of the attenuated beam at V2. The voltage between the moving contact of a potentiometer 11 and one of its ends is compared at 12 with the voltage V2 and the resultant signal fed to a servo-unit 13 which rotates the arm of the potentiometer 11 to reduce the difference to zero. The voltage V1 is compared with a constant reference source and the difference used to control the brightness of the light 5 in compensation for smoke deposit on the cell and light windows 9, 8. An alarm is energized when a maximum voltage is attained.
Patent GB-1222093-A (GB)
Title: A machine for separating individual work pieces from one another
Inventor: BUERKLE ROBERT
IPC: B26D5/28
Filed: 1968-02-14
Abstract: 1,222,093. Cutting-apparatus; laminating- apparatus. R. BUERKLE, [trading as ROBERT BUERKLE & CO.]. 14 Feb., 1968 [15 Feb., 1967], No. 7180/68. Headings B4B and B5N. A machine for separating workpieces 1 from one another after they have been continuously coated on both sides with webs 6, 7 of plastics foil, paper or textile material from reels 8, 9 comprise rotary cutter rollers 13, 14 arranged on opposite sides of a workpiece with a common drive to both rollers for synchronous operation. The workpieces may be wooden articles, metal sheets, cartons or plastics material panels. The cutters of the rollers 13, 14 may be offset relative to one another by an angle between 3 and 7 degrees. The drive of the rollers 13, 14 has a clutch (31), Fig. 5 (not shown) and a brake (32). The rollers 13, 14 may be adjustable towards and away from one another. A feeler 19 is provided ahead of the rollers 13, 14 and when this feeler engages a gap 18 between successive workpieces, the rollers 13, 14 are rotated so that the cutters coincide exactly with the gap to sever the webs 6, 7. The angular position of the rollers 13, 14 before rotation is determined by means of adjustable stops (35, 36), Figs. 4 and 5 (both not shown), provided on circular guides (33, 34). The feeler 19 comprises a roller mounted on an arm 37, the pivot of which is adjustable by means of bearings 38 and a spindle rotated by a hand wheel 39. The peripheral speed of the cutters may be slightly greater than the throughput feed of the workpieces. To obtain a slicing cut, one or both cutters of the rollers 13, 14 may be inclined relative to the plane of movement of the workpieces. In a modification, the lower cutter roller is stationary and the upper cutter roller co-operates with a removable supporting plate (43), Fig. 6 (not shown).
Patent GB-680193-A (GB)
Title: Electric controlling system
Inventor: SVALA CARL GUNNAR
IPC: G05B11/01
Filed: 1951-03-28
Abstract: 680,193. Control of D.C. motors. TELEFONAKTIEBOLAGET L. M. ERICSSON. March 28, 1951, No. 7205/51 Class 38 (iii) [Also in Group XXXV] , A load 15, which may be the armature of a D.C. motor, is supplied from a transformer secondary winding 16 either through discharge valve 1 and rectifier 10 or through discharge valve 2 and rectifier 9 during alternate half-cycles of the A.C. source 17. The magnitude and direction of the mean current passing through the load is determined by controlling the grid potentials of the valves 1, 2, in relation to each other. The discharge valves may have a direct control voltage or may be biassed by alternating voltage of variable phase, in which case the system may be used for phase detection. The valves 1, 2, may be of the gas-filled type. Fig. 2 (not shown), and the control voltages therefor may have both alternating and direct components.
Patent GB-526005-A (GB)
Title: A new or improved device for determining and indicating uniformly spaced points
IPC: B43L7/00
Filed: 1939-03-06
Abstract: 526,005. Dividing apparatus. BLACKBURN AIRCRAFT, Ltd., and SMITH, R. March 6, 1939, No. 7248. [Class 97 (iii)] A spacing rule comprises a sheath 10 of C- section within which is mounted a rule of extensible material, e.g. a flattened helical spring 11 carrying index markings 19. One end of the spring 11 is attached to a fixed head 13 having a face 14 normal to the sheath and constituting the zero of the scale. The free end of the spring is attached to a slide 17 which may be fixed in any required position by a set screw 18. The upper edge of the sheath may have graduation to indicate the distance between the markings 19 when the left hand index is made to coincide therewith. The rule may be made applicable to curved as well as straight lines.
Patent GB-1526263-A (GB)
Title: Cartons
IPC: B65D5/60
Filed: 1976-02-18
Abstract: 1526263 Cartons METAL BOX Ltd 18 Feb 1976 [21 Feb 1975] 7266/75 Heading B8P A carton has an open end for receiving a lid, which end is defined at least in part by two opposed flaps each having an inwardly inclined portion and a portion 30, 34 substantially parallel to the respective carton wall 10A, 10B. Preferably, a liner 37 of foil material is provided, having an upper edge flush with the free edges of the flaps and a lower end which prior to filling, extends below the bottom edge 18 of the carton, the liner 37 being adhered to blank portions 10A, 10B when the carton is in a flattened, pre-filling state with portions 10E, 38 glued together. Inwardly inclined portions and parallel portions 28-34 are preferably provided around the whole of the open end, the liner 37 being in contact with the parallel portions but spaced from narrow side wall portions 10C, 10D to facilitate erection of the carton from the collapsed state, Figs. 2 and 5 (not shown). For filling the carton is opened but to tubular form and the lid, e.g. a plastics moulding with a channel for receiving the carton and liner 37, is applied, preferably being attached to the carton and liner 37 by a hot melt adhesive. The carton is then filled through the bottom prior to folding and sealing the liner and sealing closure flaps 18A-18D of the carton. The carton may be internally coated rather than lined.
Patent GB-726234-A (GB)
Title: Improvements in lead acid electric accumulators
Inventor: GRAY ROBIN
IPC: H01M4/76
Filed: 1953-03-17
Abstract: 726,234. Batteries. CHLORIDE ELECTRICAL STORAGE CO., Ltd. Feb. 5, 1954 [March 17, 1953], No. 7297/53. Class 53. An accumulator plate consists of slotted tubes f enclosing the active material which surrounds lead rods c attached to top and bottom bars. The abutting faces of adjacent tubes are so shaped that they abut against one another at points on opposite sides of the central plane of the plate. Fig. 3 shows one construction in which the plate consists of tubes having rounded abutting corners. In order to allow the electrolyte to have access to the spaces s between adjacent tubes the slots extend across the abutting faces as shown in Fig. 4 and the top and bottom bars may be cut away as shown at i. Stiffening ribs g may be provided and they may be recessed on their inner faces to receive fins h on the rods c as shown in Fig. 3. Fig. 8 shows another construction in which the abutting faces of the tubes consist of slotted ribs k. The tubes are cut away at their ends as shown at j to enable electrolyte to enter the spaces between the tubes. Specifications 598,415 and 647,691 are referred to.
Patent GB-1482400-A (GB)
Title: Locking means for a gudgeon pin for a piston
IPC: F16J1/18
Filed: 1976-02-24
Abstract: 1482400 Retaining gudgeon pins KARL SCHMIDT GmbH 24 Feb 1976 [27 March 1975] 07319/76 Heading F2T In a piston 1 a gudgeon pin is axially retained in a boss 2 by a pin 3 having a portion parallel to the axis of the boss and embedded in the piston and a bent-up arm which extends in front of the opening of the boss. Another pin 3 may be provided at the oposite end of the gudgeon pin.
Patent GB-115893-A (GB)
Title: Improvements in Vaporizers for Internal Combustion Engines.
Inventor: SPICER GEORGE
IPC: F02M21/10
Filed: 1917-05-21
Abstract: 115,893. Spicer, G., and Croxson, E. C. S. May 21, 1917. Vaporizers, external. - Exhaust gases flow through a chamber a and through pipes f which pass through an inner chamber e. Carburetted air, entering the chamber e at g, paeses over the tubes f and around the baffle h and escapes at g<1>. The chamber a may have a non-conducting coating a<1>.
Patent GB-574962-A (GB)
Title: Improvement in belt fed machine guns
IPC: F41A9/54
Filed: 1937-03-13
Abstract: 574,962. Machine guns. BOULTON PAUL AIRCRAFT, Ltd., and NORTH, J. D. March 13, 1937, No. 7411. [Class 92 (ii)] The external conduit 7 for the ejected belt links of a machine gun 1 is fitted with a resiliently mounted friction member 9, in the form of a leaf spring or resilient roller, to retain the links in nested alignment in the conduit. As shown, the conduit extends upwardly from the gun and guides the links to a remote point for collection or dispersal. A second friction member 10 is provided at the remote end of the conduit so that the conduit is maintained full of links.
Patent GB-1077062-A (GB)
Title: Improvements in or relating to tool boxes
IPC: B25H3/02
Filed: 1963-02-25
Abstract: 1,077,062. Tool boxes, F. P. M. A. CORRIGAN and T. P. CORRIGAN. Jan. 31, 1964 [Feb. 25, 1963], No. 7421/63. Heading A4G. A tool cabinet 4 includes a compartment 7 in which is mounted a reel 11 of wire, cable, or string and includes apertures 24 in a partition wall 25 and a side wall whereby the wire &c. may be drawn out of the cabinet from the exterior, the reel 11 being mounted on a rotary spindle 13 having a head 14 running on ball bearings 17 located between the head 14 and the rear wall 4a, Further compartments 8, 9 are provided with tool retaining magnets on their bases. A further compartment 10 mounts a drawer 23. The door 5 is held closed by magnets 6. The rear wall 4a carries brackets 27 defining a slot whereby the cabinet may be releasably fastened to the belt of a user.
Patent GB-328080-A (GB)
Title: Improvements in inflatable hollow rubber bodies
IPC: A63B39/04
Filed: 1929-03-07
Abstract: 328,080. Williams, L. E., and James, G. E. March 7, 1929. Balls.-An inflating plug for balls, bladders, and other inflatable rubber bodies comprises an inner portion A composed of vulcanized rubber and an outer portion B of less highly vulcanized or unvulcanized rubber. The plug is formed by omitting the accelerator from, and reducing the proportion of, sulphur in the portion B. The part A may be connected to the portion B by a sleeve formed integral with or separate from the part A. The position of the plug is indicated by a projection E such as is described in Specification 328,047.
Patent GB-181125-A (GB)
Title: Improvements in or relating to locking and controlling devices for automobiles
IPC: B60R25/04
Filed: 1921-03-08
Abstract: 181,125. Braithwaite, H. E. I. March 8, 1921. Preventing unauthorized use. - In means for preventing unauthorized use of motor vehicles, the ignition circuit is controlled by a switch which, if operated incorrectly, closes an alarm circuit and opens the ignition circuit. As shown in Fig. 1, the device comprises discs of insulating-material 10, 11, 12, 13 connected by longitudinals 14. A number of plungers B are slidably mounted in the discs 11, 12 and carry contact bridges 26 and are retained in either of their extreme positions by spring-pressed levers 30. The plungers are pressed inwardly by an outwardly spring-pressed rotatable member c having an operating-arm 39 and a pointer 37 indicating the position of the arm. The plungers are pressed outwardly by a disc mounted on inwardly-pressed sliding rods 44, 45, the operating-arm 39 being turned to avoid plungers B, pressed inwards and turned to engage pins 50, 51 on the arm in holes 53, 54 in the rods to move the disc and plungers. The bridges 26 are adapted to connect the terminals of the alarm and ignition circuits 16<a>, 16b - - 23a, 23b, Fig. 9, arranged in dial form on the disc 11, and the respective positions of the terminals are indicated on a dial face 38, Fig. 1. As shown in Fig. 3, an inwardly spring-pressed member 57 can be pressed outwards by a member 67, until it engages an inwardly spring-pressed member 61 and can be retained in this position by the engagement of the armature of an electromagnet D in a notch 56. The electromagnet is in the alarm circuit, Fig. 9, which if completed breaks the ignition circuit at 57, 61. The ignition circuit includes the generator 74a, and contacts 23a, 23<b>, 18<a>, 18b in series, whilst the alarm circuit includes contacts 16a, 16<b>, &c. in parallel. Both ignition contacts must be closed to operate the ignition, but the closing of any other contact sounds the alarm and breaks the ignition circuit.
Patent GB-116273-A (GB)
Title: Improvements in Curburetters for Explosion Engines.
IPC: F02M7/22
Filed: 1918-05-03
Abstract: 116,273. Soc. "Aris." May 14, 1917, [Convention date]. Void [Published under Sect. 91 of the Act]. Spray carburettors.-The casing A enclcses an axially adjustable tubular valve B which is connected by a rod H' to a throttle valve H and carries a perforated sprayer tube C which slides over a fuel delivery tube D of polygonal crosssection. The segmental spaces between the tubes serve as air passages. The base E, E<1> of the tube D has two surfaces of different inclinations. Auxiliary-air inlets uncovered by the valve B are provided at F. The holes C<1> in the sprayer tube are of different diameters.
Patent GB-115705-A (GB)
Title: Improved Means for Preventing the Oxidation or Wasting of the Electrodes in Electric Furnaces.
Inventor: HAMILTON WALTER BIRKETT
IPC: H05B7/12
Filed: 1917-05-25
Abstract: 115,705. Hamilton, W. B., and Holland, J. May 25, 1917. Furnace details. - To check oxidation of an electrode, the thickness of the wall or roof where the electrode passes through it is increased by providing an elongated upstanding keystone brick or block a made in one piece or in longitudinally-divided parts and having an aperture just large enough for the electrode.
Patent GB-930307-A (GB)
Title: Improvements relating to containers
Inventor: EVANS JAMES CHARLES
IPC: B65D21/04
Filed: 1960-03-03
Abstract: 930,307. Nestable and stackable containers. WARWICK PRODUCTION CO. Ltd. Dec. 1, 1960 [March 3, 1960], No. 7558/60. Class 18. A container presenting in plan parallel ends and tapered sides, such that when two similar containers are placed one on the other with their wider ends opposed, the upper container is firmly supported on the top of the lower container. Triangular indentations 6, 7 in the bottom of the wider end fit over the top portions of the narrow end of the tray below when stacked. The containers may be nested by fitting the wider end of the tray above into the wider end of the tray below to the extent allowed by the steps 2A, 3A, and handholes may be provided in the parallel ends of the containers.
Patent GB-647848-A (GB)
Title: Improvements in or relating to a reduction gearing
IPC: F16H37/08
Filed: 1948-03-12
Abstract: 647,848. Toothed gearing. GENERAL AMERICAN TRANSPORTATION CORPORATION. March 12,1948, No. 7573. Convention date, April 2, 1947. (Class 80(i)]  A reduction gear drive between, for example, a driving motor 26 and the rotatable drum 52a of a sedimentation apparatus comprises two similar trains of gears 154, 28a, 30a, 38a in parallel between a differential gear 160-164 driven by the motor and a ring gear 42a connected to the drum 52a through a coupling device 190, 176, 200 to allow a certain amount of relative radial movement. The spider 160 of the differential is mounted upon the driving shaft 161 and the bevel pinions 162 thereon engage side bevels 163, 164 carrying gears 166, 168 respectively which drive pinions 156, 155 on the spindles of the gears 154 of the two trains. The torque transmitted is thus divided and balanced between the two trains of gears.
Patent GB-457577-A (GB)
Title: Improvements in boiler furnaces for central heating and in similar apparatus
IPC: F23L9/00
Filed: 1936-03-13
Abstract: 457,577. Supplying air for combustion. ROBIN, M., 14, Rue Brochant, Paris. March 13, 1936, No. 7616. Convention date, July 4, 1935. [Class 51 (i)]' Air for combustion is supplied into the fuel on the firegrate of a boiler furnace through one or more vertical pipes 21<1> provided with downwardly and laterally extending flattened branches 21 terminating in slot-like orifices 20. The pipes may also be provided with branches 23, Fig. 3, which deliver air above the fuel. When the furnace is of large dimensions a number of air delivery pipes may be used extending over the length or breadth or both the length and breadth of the furnace and connected to a single air supply pipe 22 or to individual air supply pipes.
Patent GB-1122025-A (GB)
Title: Improvements in or relating to pistons for internal combustion engines
Inventor: SCHOFIELD DOUGLAS
IPC: F02F3/04
Filed: 1965-02-22
Abstract: 1,122,025. Pistons. HEPWORTH & GRANDAGE Ltd. 17 Feb., 1966 [22 Feb., 1965], 'No. 7639/65. Heading F2T. A trunk piston comprising a pair of gudgeon pin bosses 3 integral with the crown 1 has two or more expansion-controlling inserts 7, 8 disposed at different levels with respect to the longitudinal axis of the piston and each having a rate of thermal expansion different from that of the piston and extending between and being connected to the thrust faces 6, at least one of the-inserts passing through the space between the opposed faces of the gudgeon pin bosses. As shown, the inserts 7, 8 extend diametrically between the thrust faces, the lower insert 8 being made of metal which has a lower rate of thermal expansion than that of the piston metal and the upper insert 7 being made of metal having a lower coefficient of thermal expansion than that of the lower insert. The inserts have their ends 9 cast into the skirt 5 and are formed with an aperture 11 for the gudgeon pin to pass through with clearance. The crown may be partially separated from the skirt by slots 12. In a modification (Figs. 6 and 7), two pairs of different level inserts are arranged side-by-sidebetween the thrust faces, each pair (18a, 186) being disposed adjacent a face of a gudgeon pin boss (3).