baber/WOPTO huggingface dataset:
Patent GB-1424109-A (GB)
Title: Method of manufacturing high speed steel from powdered metallic material
IPC: C22C38/00
Filed: 1973-06-11
Abstract: 1424109 Isostatic pressing of sheathed metal powders ALLMNNA SVENSKA ELEKTRISKA AB 11 June 1973 [12 June 1972] 27670/73 Heading C7D An isostatic pressing process of producing sintered high speed steel articles comprises packing the powder or green body in a container, degassing the powder, introducing a gas consisting primarily of nitrogen into the powder so that it acts as a thermal transfer medium during the subsequent heating step and then isostatically pressing the assembly with a fluid medium such as N 2  or an inert gas. The gas consisting primarily of nitrogen may be partially or completely removed from the powder by evacuating prior to sealing and pressing. The presence of the gas greatly reduces the time of heating e.g. by 10 hours. The container may be a steel cylinder and degassing is effected by connecting the container to a vacuum pump. The powders used are a high speed steel containing in wt per cent 1À25C, 4Cr, 6À3W, 5Mo, 3À4V and 8À7Co or 0À85C, 4Si, 6W, 5Mo, 2V.
Patent GB-721142-A (GB)
Title: Improvements in and relating to electric power supply apparatus
IPC: H02M7/62
Filed: 1949-10-28
Abstract: 721,142. Converting. BRITISH COMMUNICATIONS CORPORATION, Ltd., HEFTMAN, T. S., and SIEKIERSKI, W. Jan. 29, 1951 [Oct. 28, 1949], No. 27735/49. Class 38 (2). An electric power supply apparatus of the type comprising a transformer and a vibrator device, the vibrator device having contacts for connecting the two ends of the secondary winding of the transformer alternately to an output terminal of the apparatus, has a second output terminal of the apparatus connected to a tapping on the transformer secondary winding through a rectifier, the tap being displaced from the electrical centre of the winding. A synchronous vibrator 10 is arranged to pass current from a battery 21 alternately through each half of a primary winding 18 of a transformer 11, thus producing a voltage of alternating current form in the secondary winding 22 which is then rectified by the vibrator, thus producing a direct voltage of higher magnitude at terminals 25, 26. A terminal 27 is connected through a gas-filled double diode rectifier 12 to two taps on the secondary winding 22 which are equispaced about the electrical centre of the winding, thus producing between terminals 26, 27 a direct voltage of higher magnitude than that between terminals 25, 26. The magnitude of the voltage between terminals 27, 26 may be varied by altering the connections to other taps on the secondary winding.
Patent GB-189102-A (GB)
Title: Improvements in or relating to the suspension of vehicles
IPC: F16F9/20
Filed: 1922-10-13
Abstract: 189,102. Ram, G. H. E. de. Nov. 15, 1921, [Convention date]. Void (Published under Sect. 91 of the Act]. Dash-pots.-A shockabsorber for the spring supports of vehicles, comprises a cylinder 1, Fig. 1, filled with liquid and divided by a piston 2, connected to the axle, into two chambers 10, 11 communicating with each other by lateral conduits 3, 4 through a series of spring-pressed valves 5, a spring-pressed valve 8 and openings 6, 7. The valves 5 are arranged to open successively at fixed pressures. and the piston, advancing when the axle rises. marks them in turn. The valves are so constructed that the passage corresponds to the lift, and the resistance to the piston is thus varied to increase in proportion to the amplitude and to the square of the speed of the axle displacement. The return of the liquid may be similarly braked by a series of valves replacing the valve 8. An automatic regulating device may replace the valves 5. Fig. 7 shows a shock absorber 13 to which is applied a coiled suspension spring 19 and a pneumatic flexibility corrector 14 arranged in chambers partially filled with liquid. Axle oscillations are transmitted by an arm 17 and a rod 18. During compression of the liquid in chamber 13, a leakage occurs around the piston 20 and a vacuum is produced in chamber 16, which is overome by advent of liquid from a reservoir 25 through a valve 21. The liquid escaping round the piston is collected by a groove 22 and returns to the reservoir through a conduit 23.
Patent GB-1004252-A (GB)
Title: Skirting colvector with connector units
Inventor: BUNTEN PAUL HENRY
IPC: F24D19/04
Filed: 1964-07-07
Abstract: 1,004,252. Skirting board radiators. REPCO PRODUCTS CORPORATION. July 7, 1964, No. 27969/64. Heading F4S. A radiator installed in place of a skirting board comprises a back panel 10 with a horizontal top portion 12, spaced brackets 18 supported by said panel, a horizontally disposed heat transfer unit 40 and a front panel 45 supported by said brackets, front and back panels being connected by a unitary connector, Fig. 3, comprising a top portion 55 which extends across the portion 12 of the back panel and a front portion 58 which extends over the front of the front panel, said connector having at least one marginal edge 60 with bendable holdable tongues 63, 64, 65 in engagement with the back and front panels. The connectors are preferably made of single metal sheets and different types are seen as 50, 51, 52 and 53 in Fig. 1 (not shown). In Fig. 2 the connector tongues 64 and 65 engage flanges 49 and 47 of the front panel and tongue 63 engages the hooked edge part 13 of the back panel. The support members 18 have a slot 30 which serves to return a divider strip 33. The heat transfer unit is placed in U-shaped envelopes 43, where it rests on the supports, to reduce noise when the apparatus expands and contracts. Back panel 10 is fixed to the wall 16 by fasteners 17. The support brackets 18 are retained in contact with the back panel at the upper end by locking pins 21, while the lower ends rest on a flange 15. The heat transfer unit shown comprises a tube 41 with vertical sheet metal fins 42.
Patent GB-358695-A (GB)
Title: Improvements relating to wringing and mangling machines
IPC: D06F45/00
Filed: 1930-09-19
Abstract: 358,695. Mangles and wringers. WHITTAKER BROS. (ACCRINGTON), Ltd. and DUCKWORTH, J. A., Pioneer Works, Accrington. Sept. 19, 1930, No. 27995. [Class 138 (ii).] A closed guide slot A<1> having a recess a<4>, a<6> at each end is formed by projections a, a<1> on the inner face of each end frame A in which a boss b projecting from each end of the rear edge of a shell B is slidably and pivotally mounted. A gap a<7> is formed in the lower projection a<1> of the slots through which other bosses b<1> projecting from each side of the shelf near its front edge may be passed, and the lower projection is inclined as shown at a<5>. The shelf may be supported as shown in Fig. 1 so that it may support a bowl &c. beneath the drip board or may be lowered as shown in Fig. 2 to provide room between the end frames for a tub &c., the bosses b<1> being passed through the gaps a<7>.
Patent GB-671028-A (GB)
Title: Improvements in storage battery plates
IPC: H01M4/62
Filed: 1950-11-16
Abstract: 671,028. Batteries. WILLARD STORAGE BATTERY CO. Nov. 16, 1950 [March 21, 1950], No. 28033/50. Class 53. Active material for the negative plates of accumulators contains approximately 0.5 per cent of lignin obtained by the carbonation of black liquor resulting from the pulping of pine wood by the sulphate or soda process. The lignin is mixed. with lead oxides together with expanders such as barium sulphate and lamp black. The lignin may be prepared by passing carbon dioxide through the black liquor till it attains a pH value of 9. It is then heated till the lignin is precipitated. The lignin is filtered out and dried.
Patent GB-535670-A (GB)
Title: Improved process for the treatment of tinplate and tinplate articles
IPC: C23C22/60
Filed: 1939-10-18
Abstract: 535,670. Coating metals. LOWINGER, V. A., and KERR, R. Oct. 18, 1939, Nos. 28156/39 and 2840/40. [Class 82 (ii)] Tinplate and tinplate articles, which may be used as containers for foodstuffs, are treated to prevent discolouration by immersion in a solution containing both an alkaline salt and an oxidizing substance, so that de-greasing and the production of an oxide surface take place simultaneously. The solution may contain an alkali phosphate and chromate having a pH value of about 12.5. Alternative alkaline salts are sodium carbonate, ortho - silicate, meta - silicate, or hydroxide, and sodium picrate may be used as the oxidizing agent. An organic wetting agent may be employed such as a sulphonated aliphatic alcohol (or a salt thereof) or a sodium alkyl sulphate. A proportion of sodium hexametaphosphate may be used. The treated surface may be lacquered before use.
Patent GB-819258-A (GB)
Title: Improvements in or relating to vehicle brakes
IPC: B60T8/42
Filed: 1956-09-14
Abstract: 819,258. Fluid-pressure brakes. RECHERCHES ETUDES PRODUCTION R.E.P. Sept. 14, 1956 [Dec. 2, 1955], No. 28212/56. Class 103 (1). In a device for controlling the braking effect of wheels of vehicles, an acceleration-responsive device opens and closes an electric circuit for applying to an hydraulic apparatus inserted in the line from the master cylinder to the wheel brake cylinder a force in opposition to the action applied by the master cylinder to effect braking. In the embodiment illustrated, an hydraulic device, in the form of a cylinder 5, in which moves a piston 6 against the force of a return spring 7, is interposed between the master cylinder 1 and the conduit D1 leading to a wheel brake cylinder F1. Similar apparatus may be interposed in each of the lines D2, D3 and D4 leading to the brakes of the other three wheels, if desired. The cylinder 5 is provided with an internal cylinder 8 in which operates an extension 6a of the piston 6. A conduit 9 leads to the base of the cylinder 8 and connects it to a distributcr 10 which receives fluid at high pressure through an inlet conduit 11 from an independent source of supply having a return conduit 12 leading to a high-pressure system incorporating a reservoir. In operation, when the angular deceleration of the wheel, due to braking, reaches a predetermined value, an accelerometer 17 closes the electrical circuit of electromagnet 16 and opens valve 13 and closes valve 14 in distributer 10 and places conduit 9 under high pressure to push back piston 6. The pedaloperated master cylinder piston 3 is thus moved back to react against the pressure applied by the driver and warn him that the control device has operated to render the brakes inactive. A spring-loaded valve 18 is provided in the piston 6 to ensure that in the case of excess pressure due to overheating the fluid is enabled to pass through the piston 6 from the right-hand face towards the left-hand face. If the volume of the cylinder swept out by the complete travel of the piston 6 is not sufficient to ensure braking- which would occur if the air had not been completely purged from the system, or should there be a leakage of fluid in the brake-the stem of the valve 18 comes into abutment against the internal cylinder 8 to open a direct passage for the braking fluid delivered from the master cylinder 1 to the brake under the action of the master cylinder piston 3.
Patent GB-426879-A (GB)
Title: Improvements in and relating to collapsible tubes for pastes and viscous liquids
IPC: B65D35/32
Filed: 1933-10-12
Abstract: 426,879. Collapsable tubes. HACK, E., 77, Farringdon Road, London. Oct. 12, 1933, No. 28217. [Class 11] [See also Group XVII] A case or holder 3 for a brush, lipstick, or other article or material 6 is removably or fixedly attached to a collapsable tube and serves as a roller for extruding the contents. The article &c. may be mounted in a tubular cap 4 adapted to engage the end of the holder. As shown in Fig. 1, the case is formed with struck-up lugs 2 adapted to be passed through slots formed in the end of the tube and bent over. The case may alternatively be slit longitudinally and formed with a groove 7, Fig. 3, receiving a roll or enlargement 8 at the end of the tube. Specification 200,579, [Class 11], is referred to.
Patent GB-864442-A (GB)
Title: Improvements in or relating to electrical signalling systems
Inventor: BARRETT JOHN ALBERT
IPC: H04B3/10
Filed: 1958-09-03
Abstract: 864,442. Automatic volume control. BRITISH TELECOMMUNICATIONS RESEARCH Ltd. Aug. 17, 1959 [Sept. 3, 1958], No. 28334/58. Class 40 (4). An automatic gain regulator comprises a two-winding transformer TR having a compensating impedanze Z in a tapping connection. A transmission line L 1 , L 2  is connected to one portion of the tapped winding in series with the impedance Z and a band-pass filter PF is connected to the other portion of the tapped winding in series with the impedance, the remaining winding of the transformer having connections I 1 , I 2  to an amplifier for signals passing over the line. The outgoing line may be connected to terminals L 1 , L 2  and an attenuator may be connected between the transformer TR and bandpass filter PF, the pilot frequency being amplified by amplifier PA. The network may be used in reverse, the input line being connected to terminals L 1 , L 2  and the terminals I 1 , I 2  to the amplifier input.
Patent GB-1424448-A (GB)
Title: Dyeing polyester fibres
IPC: C09B29/08
Filed: 1973-06-14
Abstract: 1424448 Dyeing Polyester fibres BAYER AG 14 June 1973 [15 June 1972 9 Feb 1973] 28342/73 Heading D1B A process for dyeing by the exhaustion method polyester fibres, in which the dyestuff is the azo dyestuff The polyester fibre material may be a synthetic cellulose ester of an aromatic polyester, especially polyethylene terephthalate. Red or yellowish red dyeings are produced.
Patent GB-225692-A (GB)
Title: Improvements relating to test holders for calibrating gas meters and similar purposes
IPC: G01F25/00
Filed: 1923-11-10
Abstract: 225,692. Simpson, S. Nov. 10, 1923. Holders.-The bell of a test-holder for calibrating gas-meters is balanced by weights h, i<2>, the weight h being attached by a rope or chain h<1> to a grooved wheel g and the weight i<2> being attached by a rope or chain i<1> to a grooved cycloidal guide i fixed to or formed integrally with the wheel g so as to compensate for the increased weight of the bell as it rises above the water level of the tank c. The wheel g is attached to the bell by a rope or chain b<1>. The guide i is of spiral or helical form in respect to the axis of the wheel g so that the groove or grooves in the wheel g may be extended so as to allow the wheel to make more than one revolution as the bell rises. The bell is formed with a central tube a<1> fitted at its ends with rollers a<3> engaging a guide-rod b extending from the bottom of the tank c to the usual top cross-bar d. Means for tensioning the rod b may be provided. Rotation of the bell is prevented by a roller on the bell engaging the gas-inlet tube. The pressure in the bell is determined by a weight j<1> which is connected by a rope 6 or chain j<4> to a winch j. The pinion shaft of the winch may be put out of gear when the weight is being lifted by the rising bell, the chain j<4> being then kept in tension by a weight j<3> hanging from a drum on the winch spindle. The scale for the gas-holder may be secured to the upper part of the bell and arranged to telescope in a guide sealed at its lower end to the inside of the tank c so as to prevent corrosion of the scale by the water. Alternatively, the scale may be carried by guides arranged outside the tank.
Patent GB-906376-A (GB)
Title: Protective device for automatic vending machine
Inventor: BOURACIER CYRIL EUGENE
IPC: G07F9/10
Filed: 1960-08-16
Abstract: 906,376. Coin-freed apparatus. ICE-MATIC Ltd. Oct. 17, 1960 [Aug. 16, 1960], No. 28373/60. Class 27. A protective device for an automatic refrigerated vending machine having a thermostatically-controlled refrigerating plant and a refrigerated magazine compartment comprises a relay 12 which is energized through a holding circuit 18 when the machine is in normal service and when de-energized operates means 15 to inhibit the operation of the machine, and a timing switch 24 and timing device for energizing the relay for a predetermined time while the holding circuit is open. The relay 12 has a contact 13 for closing the holding circuit which includes a thermostatic switch 19 in the magazine compartment, a contact 14 controlling an indicator lamp 17, and a contact 15 controlling a circuit 23 leading to the vending apparatus of the machine. In operation, the refrigerating plant is switched on and when the temperature in the compartment drops to a predetermined level, the switch 19 closes. The timing device is then set to operate after a predetermined time, depending on the food to be sold, and the switch 24 is closed to connect the supply lines 16, 21 through the relay which closes the contacts to make the holding circuit, light the lamp, and supply power to the circuit 23. The opening of the magazine for stocking the packages to be sold may cause a rise in temperature in the magazine and switch 19 to open. However, the relay will be maintained energized by the switch 24 unless, after the predetermined time, the switch 24 opens before the refrigerating plant has reduced the temperature in the magazine to close the switch 19. If the switch 19 has not closed within the time, both switches 19, 24 will be open at the same time and the relay de-energized, thus opening the circuit to the lamp and vending apparatus which is then incapable of vending goods. Specification 906,375 is referred to.
Patent GB-264435-A (GB)
Title: Improvements in or relating to rear-lights for cycles
IPC: B62J6/00
Filed: 1926-11-11
Abstract: 264,435. Thompson, R. Nov. 11, 1926. Tell-tale and other devices external to lantern for transmitting light to definite points; cycle lamps.-Light is conveyed from the transparent back plate f of the cycle headlight through a preferably telescopic tube a provided at the front end with a lens c and at its rear end with a conical coloured screen d to act as a rear-light. The tube a is secured to the cycle frame by spring clips h, Fig. 4, and, when bent, is provided at the ends with reflectors and prisms. When an acetylene lamp is employed, a lighttransmitting tube extends across the water chamber, and the controlling-rod of the water valve is cranked for passing round this tube.
Patent GB-362917-A (GB)
Title: Improvements in or relating to machines for weighing and dividing plastic substances
IPC: G01G19/00
Filed: 1930-09-09
Abstract: 362,917. Weighing and dividing dough &c. BROOKS, J. F., 9, Portland Road, Clarendon Park, Leicester, BROOKS, T. J., Ashestiel, Kirkley Gardens, Horns Road, Ilford, Essex, and WRIGHT, H. W. S., 466, Narborough Road, Leicester. Sept. 9, 1930, No. 28534/31. [Class 143.] A machine for weighing and dividing plastic substances such as dough comprises means for feeding a quantity of the substance from bulk to a weighing-scale device and means for cutting off and delivering weighed portions, all whilst the substance is under atmospheric pressure only. The dough in a hopper 1 is directed by distributing rollers 128 to a pair of draw rollers 3, 4 which deliver the dough in the form of a ribbon d, to an endless belt 13. The belt carries the ribbon on to a drum 17 pivoted upon a scale beam 18 fulcrumed on knife edges 22. A scraper 128a, arranged between the rollers 128 is provided-with an opening 128b through which the dough may rise to prevent its compression between the upper and lower rollers. When a predetermined weight of dough has passed on to the drum the scale beam rocks and, as described in Specification 362,909, automatically causes a circular knife 38 to rotate and to move across the dough stream to cut off a portion d<1>. The weight of the severed portion rotates the drum 17, and the portion is deposited in a pan 24 pivoted on the opposite arm of the scale beam. The transference of the severed portion causes the scale beam to rock and bring a pan catch 78, pivoted on the scale beam, into engagement with a control rod 59 thereby liberating the pan to discharge the weighed portion and also initiating another cycle of operations as described in Specification 362,909. The conveyer belt 13 is dusted with flour extracted from a container 127 by a blower.
Patent GB-1235806-A (GB)
Title: Water heating tank
IPC: F24H1/22
Filed: 1969-06-05
Abstract: 1,235,806. Storage liquid heater. PERFIX PTY. Ltd. 5 June, 1969 [14 June, 1968], No. 28572/69. Heading H5H. A liquid storage tank for a beverage dispenser comprises a liquid container 4 divided into two compartments 4A, 4B by a partition 13 which has an opening therein, a heating element 15 in compartment 4A and a thermostat controlling the heating element, the temperature sensitive element 16 of the thermostat being disposed in compartment 4A adjacent the opening in the partition 13. This arrangement ensures that the water in compartment 4A is rapidly heated from cold to meet early demand for hot liquid, and the water in compartment 4B is heated gradually by leakage of heat through partition 13 to provide eventually a reservoir of hot liquid. A float 18, 19 actuates a switch 17 to shut off the supply to heating element 15 when the water level becomes too low. An outlet 20 is provided in compartment 4A and a baffled inlet 11, 12 is provided in compartment 4B.
Patent GB-600339-A (GB)
Title: Improvements in centrifugal pumps
IPC: F04D29/22
Filed: 1945-10-29
Abstract: 600,339. Shafts and shaft couplings. FRANKS & SAUNDERS, Ltd., and FRANKS, H. J. Oct. 29, 1945, No. 28585. [Class 80 (ii)] [Also in Groups XXV and XXVI] A shaft 1 for a centrifugal pump is of uniform diameter, save for a few shallow grooves and the impeller hub 15 and the shaft bearings 2, 3 of anti-friction type are located on the shaft 1 by circlips 11, 12, 16, 17 at their ends engaging in the grooves. The outer races of the bearings 2, 3 may be located in the housing 5 by means of expanding circlips or split rings.
Patent GB-1438059-A (GB)
Title: Apparatus for loading goods
IPC: B65G67/20
Filed: 1974-06-27
Abstract: 1438059 Rollerways; vehicle loading apparatus OKURA YUSOKI KK 27 June 1974 [13 Dec 1973] 28601/74 Headings B8A and B8E Apparatus for loading a vehicle 35, 36 comprises a number of rollerway units 15 forming an assembly 13 supported on a base 1 so as to be movable vertically; also to be movable horizontally in a transverse direction and longitudinally of the base 1 to extend over the body 36 of the vehicle. The assembly 13 has wheels which run on longitudinal rails 12 of a support 11 raisable and lowerable by hydraulically operated cross-arms 10. Carriers 3 support the arms 10 and are movable transversely of the base 1 on rails 2. Rollers 19 are driven by a belt 21 and the rollerway assembly 13 is connected to a drivable chain 17 for extending and retracting the assembly. An additional roller section 15b has rollers 19b driven at a higher speed than the rollers 19, the section also having a discharge plate 27. Rollers 33, 19a are respectively undriven and driven and feed the main assembly 13. A number of articles 37 having been loaded on the assembly 13, and the latter having been aligned with the vehicle body 36, the assembly 13 is extended. The rollers 19, 19b are then. driven so that as the assembly is retracted the articles are deposited on the vehicle. Rollers (28), Fig. 3 (not shown), at the end of the assembly 13 support the latter in its extended position.  In a modification, Figs. 6, 7 (not shown) a gap, between the assembly 13 and the vehicle may be bridged by an hydraulically actuated pair of supports (42). In Fig. 9, the assembly 13 is provided with side walls 51 for use with goods 37a in bags, for example. The goods are loaded on to the assembly 13 by a belt conveyer 52 extensible over the assembly.