baber/WOPTO huggingface dataset:
Patent GB-627340-A (GB)
Title: Improvements in or relating to tunable electric resonators
IPC: H01P7/04
Filed: 1947-03-13
Abstract: 627,340. Variable condensers. PHILIPS LAMPS, Ltd. March 13, 1947, No. 7051. Convention date, June 2, 1944. [Class 37] [Also in Group XL (b)] A variable condenser for tuning a cavity between an inner conductor 1 and an outer conductor 2 includes an electrode 6 having a plurality of rings of different heights surrounding one another, the height of the rings increasing with the radius of curvature. The rings which may either take the form of a series of coaxial cylinders or of a continuous spiral are arranged to move into corresponding spaces between rings 4 of uniform height which form the second electrode, the degree of penetration being controlled by a porcelain rod 9 acting on the base-plate 12. With such a construction when the condenser is set to have a small capacity, the charging current in flowing radially inwards passes a minimum number of junction seams 13 between the base-plate and the electrode rings, thereby minimizing the ohmic loss. The rings may be fixed on the base-plates 5, 12 by soldering or welding. Alternatively, the electrode may comprise a number of cylinders threaded at one end and screwed together to form a coaxial assembly. A spiral type of electrode may also be made by coiling a profiled metal strip having a narrower strip overlaid along one edge, the thickness of the latter determining the spacing of the successive turns of the spiral.
Patent GB-480144-A (GB)
Title: Improvements in electric cable systems
IPC: H02G15/26
Filed: 1936-12-01
Abstract: 480,144. Cable systems. OKONITE-CALLENDER CABLE CO., Inc. Dec. 1, 1936, No. 7055/37. Convention date, Dec. 7, 1935. Divided out of 478,850. [Class 36] In an underground electric distribution system comprising a pipe line 1 containing insulated conductors 2 connected to transformers 3, the conductors and transformers being submerged in oil 7 with which the pipe line is filled, cooling of the transformers is effected by short pipes 12 arranged within the pipe line and having their inner ends disposed adjacent the upper portions of the transformers and at a lower level than their outer ends 13. Hot oil surrounding the transformers passes through the pipes 12 where it is cooled by the relatively cool oil surrounding the pipes and by the dissipation of heat from the surface of the adjacent parts of the pipe, the cooled oil returning to the pipe line and then passing back to the transformers through ports 11 in baffles 10 which support the transformers.
Patent GB-141028-A (GB)
Title: Process of refining oils and fats
IPC: C11B3/10
Filed: 1920-03-09
Abstract: Finely-divided calcined phosphate is added to the oil which may be stirred and kept at 40-50 DEG  C.  On standing, the mixture separates into layers which are tapped off.  The phosphates may be added in a dry state or suspended in water.  A calcined natural phosphate such as apatite is used.  The precipitate obtained in treating the oil may be dried and used as a fertilizer.  The Specification as open to inspection under Sect. 91 (3) (a) states that products obtained by calcining a mixture of an artificial phosphate, such as tricalcium phosphate, with a metallic salt of a volatile acid or other substance contained in crude phosphates, e.g. halogen compounds or carbonates, may also be employed.  The phosphate may be used in conjunction with other refining-agents.  The calcined phosphate may be treated with acids alkalies or other reagents.  This subject-matter does not appear in the Specification as accepted.ALSO:Phosphates for use in refining oils are obtained by calcining natural phosphates such as apatite.  The Specification as open to inspection under Sect. 91 (3) (a) also states products obtained by calcining a mixture of an artificial phosphate, such as tricalcium phosphate, with a metallic salt of a volatile acid or other substance contained in crude phosphates, e.g. halogen compounds or carbonates, may also be employed.  The calcined phosphate may be treated with acids, alkalies, or other reagents.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1082082-A (GB)
Title: Improvements in or relating to processes for producing insulating refractory compositions
Inventor: ROBERTS ARTHUR LOTEN
IPC: C04B28/34
Filed: 1963-02-21
Abstract: An insulating refractory is obtained by casting a foamed suspension of, in weight per cent, fused alumina 60-75; calcined alumina 10-20; refractory clay 3 to 7; pyrophyllite 10-15; phosphoric acid and a foaming agent, e.g. a fatty acid-ethylene oxide condensate. P.V.A. is used as a stabilizer.
Patent GB-846343-A (GB)
Title: Fluid pressure control system
IPC: G05D23/02
Filed: 1958-03-05
Abstract: 846,343. Fluid-pressure servomotor-control systems. FORTIER, A. March 5, 1958 [March 6, 1957], No. 7125/58. Class 135. A system for controlling a first condition, for example, a supply of heating fluid, in response to variations in a second condition on which the first condition acts, for example, the temperature of a medium heated by the said fluid, comprises two fluid-tight chambers 1, 2 supplied with gas under pressure via restrictions 4, 5 and each provided with at least one outlet 6, 12 respectively, a movable member 8 fast with a diaphragm 3 forming the chambers 1, 2 and adapted to regulate the crosssection of the outlet orifice 6 and so vary the pressure in the chamber 1, an external member 17 also fast with the diaphragm carrying a valve member 16 controlling the first condition, and a device, such as a differential expansion thermal elements 13, 14, sensitive to the value of the second condition to regulate the crosssection of the outlet orifice 12 and so vary the pressure in the chamber 2 so that the pressure difference across the diaphragm adjusts the position of the valve member 16. A supplementary adjustable outlet orifice 7 makes it possible to adjust the desired value of the second condition. Specification 782,691 is referred to.
Patent GB-673418-A (GB)
Title: Method of making carburetted combustible gas
Inventor: HAUG JOHN SOBIESKI
IPC: C10J1/213
Filed: 1950-03-22
Abstract: 673,418. Oil gas generation; gas mixtures. UNITED ENGINEERS & CONSTRUCTORS, Inc. March 22, 1950, No. 7129/50. Classes 55 (i) and 55 (ii). An ignited bed of solid fuel is blasted with concentrated oxygen (of a purity of at least 65 p.c. by volume with respect to diluents) and endothermic gas-making fluid such as steam or carbon dioxide, and the product gas is passed through a hydrocarbon pyrolysing zone in which an enriching gas is generated by the reaction of fluid hydrocarbon with additional oxygen and steam &c., the blast through the fuel bed being desirably occasionally replaced by an air blast to establish more uniform vertical distribution of temperature. Conventional carburetted water gas plant may be employed, the enriching gas being generated by partial combustion of the oil in the carburetter and fixed in the superheater, both of which may be empty or provided with checkerbrick, &c. or a single vessel which may be located above the fuel bed may be utilized. The oxygen and steam, or oil and steam may be premixed. Temperatures of the order of 1400-1550‹ F. at the base of the superheater may be employed. To adapt the final mixture to the market either a relatively small proportion of enriching gas of high calorific value or a larger proportion of lower calorific value may be used accordingly as the prices of solid and liquid fuel are respectively low and high and vice versa. In an example, coke is blasted with a 2 : 1 mixture of steam and pure oxygen yielding a gas of 295 B.Th.U. per cubic feet which is enriched with oil gas produced from gas oil supplied at the rate of about 3.5 gals. per 1000 cubic feet of generator gas and with sufficient concentrated oxygen and steam to yield about 370 cubic feet of oil gas of about 1130 B.Th.U., the mixed gas having a calorific value of about 520 B.Th.U.
Patent GB-769478-A (GB)
Title: Improvements in or relating to data storage apparatus
Inventor: SPENCER ARTHUR JAMES
IPC: G11C11/06
Filed: 1955-03-11
Abstract: 769,478. Electric digital-data-storage apparatus. BRITISH TABULATING MACHINE CO., Ltd. March 11, 1955, No. 7210/55. Class 106 (1). ). [Also in Group XXXIX] Data storage apparatus comprises at least one core of magnetic material having a substantially rectangular hysteresis characteristic, and a winding on the core in series with the anode-cathode circuit of a valve and coupled to a control electrode of the valve. The valve is used to cause automatic restoration of the core after reading out. The cores 1, 16, 17, 18 shown, each having " P " and " N " magnetization states corresponding to bimary " 1 " and " 0 " respectively, may be set to represent the code components 1, 2, 4, 8 of a decimal digit by selective operation of contacts 21-24 associated with windings 19. The cores have also windings 3 connected to contacts 6, 25, 26, 27, and windings 2 in series with normally non-conducting gas-filled triode 4. To write a " 1," contacts 9 are closed to by-pass triode 4 so that current passes through all coils 2 in the direction, but of half the required strength, to drive the cores to " P." The selected core (e.g. 16) is so driven by an additional current through its winding 19 and closed contacts (e.g. 22). To read out from core 16, contact 25 is momentarily shifted to cause current to flow through. winding 3 in a direction to drive the core to " N," after which contacts 22 are closed. If the core was previously in the " P " state, a large voltage is induced in winding 2 and fed via capacitor 11 to the control electrode of triode 4 to cause it toconduct. The consequential current through windings 2, together with current through winding 19, restores the core to "P." Contacts 15 are then momentarily opened to extinguish the valve. The other cores are similarly read out, and sequential read-out may be obtained by operating the contacts by rotary cams. All the cores may be set to " N " during read-out, by opening contacts 28. In a modification,: each triode is associated with a single core, the winding 19 then being omitted and current through winding 2 alone being sufficient to drive the core from " N " to " P." A hard valve may be used, pulses being applied to its grid through an integrating circuit.
Patent GB-1034634-A (GB)
Title: Improved bus-bar construction
IPC: H02G5/00
Filed: 1965-02-19
Abstract: 1,034,634. Bus-bars. BROWN BOVERI & CO. Ltd. Feb. 19, 1965 [Feb. 21, 1964], No. 7212/65. Heading H1A. [Also in Division H2] The tubular bus-bar 1 shown is provided with helical slots near one end to allow longitudinal expansion. The ends of the slots are opened into holes 4 to further increase the extensibility of the busbars. An insulating sleeve is stuck to the exterior of the bus-bar except near the helical slots. A flexible connection bridging the helical slots may be provided to increase the current carrying capacity of the bar. In multiphase arrangements, the bars are mounted between connection points and are supported against transverse electro-magnetic forces in insulating sheets. The sheets are located as far as possible from the unslotted part of the bars.
Patent GB-235649-A (GB)
Title: Improvements relating to combined engine and variable speed gear units for motor cycles and the like
IPC: B62M25/00
Filed: 1924-03-21
Abstract: 235,649. Jardine, Sir E., and Cohen, I. March 21, 1924. Variable-speed gearing.-In a combined engine and three-speed gear unit for a motor-cycle, an intermediate shaft D carries a gear wheel G engaged by a pinion E<1> on the engine shaft E and gear wheels P, P<2> meshing with wheels Q - - Q<2> on a final driving shaft F. A sprocket wheel or pulley R loose on the shaft F can be connected to either of the wheels Q - - Q<2> by means of a clutch sleeve V sliding on splines T<1> on the sleeve T secured to the pulley and adapted to engage clutch members W, S<1>, F<1> on the gear wheels. The sleeve V may be actuated by the means described in Specification 162,550. The wheel G is connected to the shaft D by a plate clutch H which is held in engagement by springs J and can be disengaged by means of a lever L, arms L<1>, and rod K.
Patent GB-1109528-A (GB)
Title: High-intensity lamp
IPC: F21V21/092
Filed: 1966-02-18
Abstract: 1,109,528. Pneumatic sucker fastenings. Z. & T. IMPORTING CO. Inc. 18 Feb., 1966 [19 April, 1965; 10 Jan., 1966], No. 7229/66. Heading E2A. [Also in Division F4] The base 144 of a table lamp having the bulb and reflector carried on hinged or extensible arms, is stabilized by providing an annular suction disc 154 on the bottom, and a keyhole slot 156 at the centre of the annulus, by which the lamp can be suspended.
Patent GB-817115-A (GB)
Title: Improvements relating to board or like games played with movable pieces
IPC: A63F9/00
Filed: 1957-03-05
Abstract: 817,115. Board games. GARNETT, W. Feb. 28, 1958 [March 5, 1957], No. 7298/57. Class 132(2) As shown in Fig. 1, a base 2 receives 96 blocks 5 in contacting lines each player occupying half the base and having blocks of two colours initially arranged alternately. The players in turn push a line of blocks one step the pushed-out block being replaced at the rear end of the line, the object being to get certain pieces liaving apertures 9 to the opponent's base line. All blocks except the four outer rows are covered by a checkered board 4 removably mounted by pins 13 received in slots 12 in corner posts 3 and alternate squares having apertures 16. If player inserts a pin 17 in the aperture 16 and a block having an aperture 9 is underneath, the corresponding rows of blocks will be locked. As shown in Fig. 5, certain blocks 30 are apertured at 39 and represent submarines. The upper board is constituted by a frame 25 containing smaller blocks 20 two groups of which 28, 29 represent merchantships and warships respectively. The object is for one player to manipulate blocks 20 to get a "convoy" from one corner to the opposite corner and his opponent tries to sink the merchant ships by manipulating the lower blocks to bring blocks 30 under the convoy. Warship pieces 29 have vertical sliders 22, Fig. 10, which can fall into apertures 39 in blocks 30 to denote sinking of a submarine. Merchant-ships 28 have sliders 33, Fig. 11, which can fall into apertures 39 to denote sinking of a merchant-ship.
Patent GB-881978-A (GB)
Title: Shoe of convertible appearance
Inventor: FERREIRA JOSEPH JOHN
IPC: A43B3/24
Filed: 1960-03-02
Abstract: 881,978. Boots &c. CORCORAN SHOE CO. Inc., JOSEPH F. March 2, 1960, No. 7308/60. Class 17(2) A shoe, convertible in appearance from a standard, laced style to a slip-on style, has a free tongue which may be positioned either above or beneath the laces of the shoe. In one form of the shoe the free tongue 16 is formed as an extension of a plug 15. Strengthening stitching 17 is located so as to facilitate the movement of the tongue 16 between the positions shown. A flap may be attached to an inside face of one of the parts 10, 11 to protect the tongue 16 from the laces when positioned beneath them. Modifications of the tongue for other styles of shoe are described.
Patent GB-291899-A (GB)
Title: Improvements in and relating to sliding window shutters and doors
IPC: E06B3/46
Filed: 1927-03-17
Abstract: 291,899. Azzopardi, J. March 17, 1927. Windows; window shutters; sliding doors. - Sliding shutters, window sashes, doors, &c. h are adapted to slide on ball bearings consisting of a channelmember o<1> on the door &c. resting on two balls on the support e<1>, the travel of the balls lying between two rollers r mounted on the door channel, which rollers serve to position the balls in one or other of the extreme positions. The panels are secured in open or closed positions by means of spring- pressed balls n<1> adapted to enter sockets s on the frame, an additional pivoted fastening n<2>, Fig. 4, being provided on one panel adapted to engage over the lock n on the other. The panels may be suspended on a ball-bearing rail by screws and clamps on the rails, and have a guiding groove at the bottom. A pair of hinged boards may be provided to cover the grooves in the sill when the panels are opened. At the upper part of the opening is a fixed window panel and adjustable, louvred shutter.
Patent GB-486234-A (GB)
Title: Improvements in or relating to electric lamps
IPC: H01K9/04
Filed: 1937-03-13
Abstract: 486,234. Two-part couplings. TUNG STALITE, Ltd., and WECHSLER, B. March 13, 1937, No. 7439. [Class 38 (i)] A multi-filament lamp of the type having bayonet pins 18 mounted on a ring 17 rotatable relatively to the cap 14 so that the lamp can be turned in its holder to bring alternative contacts 12, 13 into engagement with one of the holder contacts, is provided with means for lifting the said holder contact when the lamp is turned. The lifting means may consist of a bevelled radial projection 16 on the surface 15 of the insulating body of the cap. The ring 17 may be external to the cap, and an insulating liner may be inserted in the cap.
Patent GB-163964-A (GB)
Title: Improved means for reversing the flow of gas in purifiers, condensers and the like
IPC: C10K1/28
Filed: 1919-11-15
Abstract: 163,964. Blakeley, Sons, & Co., Ltd., and Blakeley, W. Nov. 15, 1919. Purifiers.-The flow of gas in purifiers, condensers, &c., is reversed by providing each purifier C, C<1> with upper and lower ports a, a<1> and b, b<1>, each pair of ports being controlled by a four-way valve A<1>, B<1> having one of the four openings below the valve and such as that described in Specification 163,095. A third four-way valve D is connected by pipes d, d<1> to the valves A<1>, B<1> respectively and by pipes d<2> to the main inlet or outlet pipes. By this arrangement the gas may be caused to flow from the first to the second box or vice versa and in an upward or downward direction in either box. Either box may be cut out for cleaning, and both purifiers may be bypassed by operation of the valve D.
Patent GB-247761-A (GB)
Title: Means for the utilization of waste products of combustion
IPC: C10J3/00
Filed: 1925-03-20
Abstract: 247,761. Berridge, J. March 20, 1925. Producers.-The shell of a producer constitutes a vertical boiler 1. 2 and the gases pass through a smoke flue 6 to the outlet pipe 14 and scrubber 15. The fuel is supported on a solid conical member 13.
Patent GB-515783-A (GB)
Title: Improvements in or relating to tyres for vehicles
IPC: B60C11/11
Filed: 1938-03-11
Abstract: 515,783. Pneumatic tyres. FIRESTONE TYRE & RUBBER CO., Ltd. (Firestone Tire & Rubber Co.). March 11, 1938, No. 7687. Addition to 453,544. [Class 144 (ii)] A pneumatic tyre for heavy-traction vehicles is formed' with sets of ribs 12 extending obliquely from each side 'of the tread and intersecting. to produce V-shaped formations at each side of the tread centre-line, the intervening grooves 13 being at least as wide as the ribs and the height of the latter being at least as great as their median transverse width.
Patent GB-608121-A (GB)
Title: Improvements in or relating to motor-driven pumps for liquids
IPC: F04D13/08
Filed: 1946-03-12
Abstract: 608,121. Wrenches. SELF-PRIMING PUMP & ENGINEERING CO., Ltd., MEREDEW, G. C., and McKEAN, J. A. March 12, 1946, No. 7690, [Class 61 (iii)] [Also in Groups XXV, XXVI and XXXV] A wrench for removing a pump and motor unit 1 from its mounting 7 in which it is held by a bayonet or like type joint, comprises an inner part 27 provided with a screwed end 31 and an outer part 28 provided with internal hexagon socket 32. Correct engagement of the wrench causes one end 23 of the lever 22 to be depressed, thus withdrawing the locking pin 24 from engagement with the hole 26 in the mounting and also causes the claw 25 to engage a rim on the part 28, thus preventing withdrawal of the wrench. The unit may then be rotated to disengage the bayonet connection. Specifications 558,040 and 607,830, [both in Group XXVI], are referred to.
Patent GB-308789-A (GB)
Title: Voltage discriminating systems
IPC: H04L5/04
Filed: 1929-03-08
Abstract: 308,789. Electrical Research Products, Inc., (Assignees of Horton, J. W.). March 31, 1928, [Convention date]. Thermionic relays.-In a system for discriminating between current impulses varying in amplitude, marginal relays 1 - - 8 and their associated thermionic valves 21 - - 28 are divided into groups and a different grid bias Ec1, Ec2 is applied to each group of valves to reduce the plate voltage required as compared with a known arrangement (Figs. 1-3, not shown) in which the relays are in a single group. The arrangement is such that when the negative voltage E54 on the grid of a receiving-valve 54 reaches a predetermined value, the voltage drop in a resistance 57, caused by the plate current, is so reduced that the negative bias on the grid of the valve 28 becomes low enough for the relay 8 to operate. As the negative voltage E54 is progressively increased, marginal relays 7 - - 1 are actuated similarly in succession. According to a modification an amplifying valve is connected between each group of relays and the valve 54 (Figs. 6 and 7, not shown).
Patent GB-821080-A (GB)
Title: Improvements in or relating to methods of quenching metal articles
IPC: C21D1/58
Filed: 1957-03-08
Abstract: An oil, used as a quenching medium for hardening metals, consists of a mineral oil to which has been added a metallic salt of a cyclic carboxylic acid, preferably in an amount not exceeding 5% by weight of the oil.  Examples quoted are naphthenic acid salts of alkaline earth metals, zinc, lead, iron, and metallic salts of abietic acid. Salts of naphthoic, naphthalene acetic, phenyl butyric, veratric, chaulmoogric, and sedanonic acids are also mentioned.  Antioxidants such as methyl-di-isobutyl phenol and phenyl-a -naphthylamine, and metal-inhibiting agents such as triphenyl phosphite, or anti-corrosives, such as esters of dibasic acids, ethers and complex amines may also be added.  U.S.A. Specification 2,536,403 is referred to.ALSO:Metals, particularly iron alloys are quench-hardened by cooling the metal article from a temperature in the range 250-1100 DEG C. in a mineral oil to which has been added a metal salt of a cyclic p  carboxylic acid, preferably in an amount not exceeding 5% by weight of the oil.  Examples quoted are naphthenic acid salts of alkaline earth metals, zinc, lead, iron, and metallic salts of abietic acid.  Anti-oxidants and anticorrosives may also be added. U.S.A.  Specification 2,536,403 is referred to.
Patent GB-126160-A (GB)
Title: Improvements in Machines for Opening, Scutching and similarly Treating Cotton and other Fibrous Materials.
Inventor: RUSHTON JAMES LEVER
IPC: D01G9/00
Filed: 1918-05-13
Abstract: 126,160. Rushton, J. L. May 13, 1918. Openers, scutchers, etc.; feeding openers &c.- In machines for opening, scutching, and similarly treating cotton &c., and particularly in horizontal exhaust openers, an ante-chamber is provided to receive the material delivered to the machine by an air-suction pipe, the chamber containing a rotating perforated cage having within it a slotted draught pipe, and fitted also if desired with a pressure roller, to form a fleece and feed it to the feed-rollers of the opening or beating cylinder. Fig. 1 shows the invention applied to an opener constructed as described in Specification 115,544. The material is delivered through the trunk a to a chamber c containing the cage d within which is fixed, at a sufficient distance from the circumference of the cage to prevent any damping- action, a pipe e having a slot e<1> and communicating with an exhaust fan g, which draws the fibres through the trunk and lays them evenly upon the cage by which they are delivered to the feed-rollers hand i and into the beating-cylinder j. Solid impurities are drawn through the perforations of the cage, into the slotted pipe, and so away to the dirt chamber.