baber/WOPTO huggingface dataset:
Patent GB-815919-A (GB)
Title: Improvements relating to magnetic materials
IPC: H01F1/06
Filed: 1956-04-05
Abstract: 815,919. Magnetic materials. GENERAL ELECTRIC CO. April 5, 1956 [April 8, 1955], No. 10461/56. Class 38 (2). [Also in Group XXXVI] A material exhibiting permanent magnetism comprises sub-microscopic particles, at least 50 per cent of which have a median elongation ratio of at least 1.5 to 1 and at least one half of these have a ratio of 2 to 1, such particles having a transverse dimension so small that the appearance of more than a single magnetic domain in the transverse direction is precluded. The particles are made by electrodepositing magnetic material into a molten metal cathode from an electrolyte while maintaining a quiescent interface between the electrolyte and cathode. Apparatus for producing iron particles comprises an electroplating cell 1 mounted on a base 2 suspended by springs 4 to prevent movement of the cell, comprises a consumable iron anode 5 and a mercury cathode 6 separated by a liquid electrolyte 7 such as iron chloride, sulphate or nitrate, or ethylene glycol. To keep the mercury surface clean an acid such as hydrochloric, sulphuric or nitric is added to the electrolyte. The cell is lined with insulation such as glass and brackets 12 allow adjustment of the height of the anode. The magnetic material may be a cobalt iron alloy when the electrolyte contains a cobalt salt. The particles are removed from the mercury by a magnet in a glass tube, the slurry obtained being heated for a few minutes at 200‹ C. After cooling the particles are coated by the addition of a trace of tin, zinc aluminium, manganese, nickel or antominy. The heating and metal treatments remove dendritic appendages from the particles. The remaining mercury is then removed, first by oxidizing, then by washing and vacuum or hydrogen baking at a low temperature. Alternative processes for this purpose are repeated addition of lead or an antimony or other alloy of lead and removal of particles with a permanent magnet. The lead or alloy is then removed to a desired extent by pressure at a temperature just above the melting point of the added metal. Alternatively the mercury is removed by heating the slurry at about 250‹ C. for three hours in a vacuum. The particles are then mixed with a binder such as cellulose acetate or nitrate, or methyl methacrylate to give a mixture containing 50-66 per cent by volume of particles. To facilitate mixture the binder may be melted, powdered or dissolved, and then compressed in a magnetic field, solvent being removed by heat or vacuum. The binder may be formed by lead or lead alloy left from the mercury removal process, or by a lead-mercury alloy used molten as the cathode. The alloys incorporating the particles are cooled in a magnetic field. Various properties obtained with different conditions of production are specified.
Patent GB-178706-A (GB)
Title: Improvements in or relating to ventilating devices
IPC: E04B1/70
Filed: 1921-04-09
Abstract: 178,706. Gardner, T. April 9, 1921. Ventilators. - An air inlet or outlet ventilator for double-walled structures of the type comprising rectangular end portions B, C, connected by an inclined tubular member A, has a lateral opening A' in the member A for ventilating the space between the walls, preferably formed by striking up a portion A<2>, which then forms a baffle directed towards that end of the ventilator through which air enters. The dimensions of the ends B, C or those of an ordinary brick and the length and inclination of the part A are preferably such that the vertical distance between the ends is one or more courses of brickwork. The ends may be externally flanged to carry grids, and then the device also serves as a wall-tie.
Patent GB-117654-A (GB)
Title: Improvements in or connected with Hypodermic Syringes.
Inventor: EVERETT SAMUEL JAMES
IPC: A61M5/32
Filed: 1917-07-21
Abstract: 117,654. Everett, S. J. July 21, 1917. Syringes and the like.-The needle of a hypodermic syringe is provided with a head consisting of a cone b, the apex b<1> of which projects into the passage d of the nipple e, and the broad base c makes joint with the interior of the nozzle f. The base c may be conical or spherical, or may be flat, as shown in Fig. 4, and make a line joint. The mouth of the passage d may be rounded or bevelled.
Patent GB-566219-A (GB)
Title: Improvements in or relating to bracket fittings for shelves, platforms or like supports
IPC: A47B96/06
Filed: 1943-06-30
Abstract: 566,219. Brackets. WILSON, Ltd., T. H., and THOMPSON, H. June 30, 1943, No. 10581. [Class 52 (v)] Detachable and adjustable brackets F-G for shelves and particularly for cold rooms, refrigerators, &c. are formed with curved ends to engage top and bottom rods or tubes L which are loosely mounted on hook-like fittings C secured to base plate or a wall. The bracket is preferably made of elliptical tubes, the top tube having integral stops K for the shelf sides. The hook-like fitting comprises a base A, central web B carrying a half bearing C for the wall rods L.
Patent GB-830557-A (GB)
Title: Improvements in or relating to apparatus for producing arc plasma at high speeds
IPC: H05H1/48
Filed: 1958-04-02
Abstract: 830,557. Discharge apparatus. GENERAL ELECTRIC CO. April 2, 1958 [April 8, 1957], No. 10589/58. Class 39(1). [Also in Group XXXIII] Apparatus for producing an arc plasma, travelling at hypersonic speed, which may be directed over a fixed model in a wind tunnel, comprises a generator having a cylindrical housing 17 containing a positive rod electrode 18, e.g. of graphite, and a negative ring electrode 19 mounted in an opening in the wall of the chamber. A fluid such as air, water or nitrogen is introduced at high velocity through a tangential nozzle 22 and forms a rotating column of fluid 21 which confines the arc formed between electrodes 18 and 19 and increases its current density and raises its temperature to values above 10,000C. In addition portions of the fluid 21 enter the arc and are heated and directed through the opening 11 in the electrode 19 to form part of the arc plasma 12 which passes through a cylindrical container 10, bolted to the chamber 17, to an opening 13 leading to a nozzle 14 which may be provided with a heat-resistant lining 27. Gases or liquids or powders are injected under pressure into the chamber 10 by a series of tangential nozzles 15 fed from a common inlet 25 and form a whirling column of " fluid " 16 which confines the plasma 12. A portion of the " fluid " 16 also enters the plasma 12 and is superheated and decomposes to form part of the plasma ejected from the nozzle 14 which serves first to constrict and then gradually to expand the plasma and thus greatly to increase its speed. " Fluid " 16 not entering the plasma 12 escapes through ports 26. The chamber 10 thus provides a means of increasing the density of the arc plasma and varying its composition without increasing the electrical power consumption.
Patent GB-1343367-A (GB)
Title: Oil fence
IPC: E02B15/06
Filed: 1972-03-07
Abstract: 1343367 Floating barriers BRIDGESTONE TIRE KK 7 March 1972 [13 March 1971] 10651/72 Heading E1H A floating oil fence comprises an elongate resilient belt member 1 provided with spaced vertical reinforcement means, and one or more flexible horizontal tubular float members 2 secured to it. Weights 4 or a chain (not shown) are secured along the bottom edge either by being embedded therein, suspended therefrom, or by being attached to the bottom of the reinforcement means. The belt member is formed of one or more rubber, neoprene or vinyl chloride sheets, or of such sheet(s) and spaced resilient bonded backing straps 1a between which the reinforcement means 11 may be sandwiched. The reinforcement may comprise folded, bent, ridged or corrugated portions of the sheet(s) forming the belt member (Figs. 3A, and 4 to 6 not shown), which corrugations may be produced by appropriate attachment of the bonded backing straps or the inflatable float member(s) (Fig. 7 not shown) to the belt member, and/or bars, tubes or strips 11 of hard vinyl chloride or other reinforced plastics, stainless steel, aluminium or glass fibre. The float member(s) are preferably formed of a cord reinforced rubber hose, wire reinforced soft vinyl chloride tubes or light synthetic resin blocks. When the fence is formed from a plurality of suitably joined fence sections, the respective joints between adjacent belt member and float member sections are staggered.
Patent GB-107450-A (GB)
Title: Improvements in Hydraulic Valves.
Inventor: CROWE HENRY
IPC: F16K31/524
Filed: 1916-07-28
Abstract: 107,450. Crowe, H. July 28, 1916. Combinations of interdependent valves. - A series of hydraulic valves controlling single and double acting cylinders are placed in line, and are operated by a cam-faced rocking bar f acting on levers g, which are each adjustable by means of a screwed support h. The bar f is provided with cam surfaces f<1>, f<2> and clearance surfaces f<3>.
Patent GB-256928-A (GB)
Title: Improvements in or relating to seats for automobiles
IPC: B60N2/30
Filed: 1926-04-23
Abstract: 256,928. Studebaker Corporation. Aug. 12, 1925, [Convention date]. Bodies.-In an automobile of the type having a rear deck 11, an opening 12, and a hinged cover 13 therefor, a dickey seat is provided comprising side frame members 14 pivoted at 15, a seat proper 26 pivoted at 27 to the side frame members, and a pivoted leg 28. The cover 13, when in open position, forms the back of the seat, and a spring 38 holds the seat in the position of use. According to the Specification as open to inspection under Sect. 91 (3) (a) a trough 33 is provided around the opening 12, and any rain which collects therein is discharged through the spout 34. The edges of the cover 13 are provided with lips 37 which are received within the trough 33 to form a more complete seal between the cover 13 and the rear deck 11. The cover may be held in closed position by a spring-pressed latch 41, and when this is withdrawn, the spring- actuated lever 49 imparts to the cover 13 a small movement in its direction of opening. This subject-matter does not appear in the Specification as accepted.
Patent GB-411643-A (GB)
Title: Improvements in or relating to radio and similar modulated high frequency carrier wave transmitters
IPC: H03C3/26
Filed: 1933-04-11
Abstract: 411,643. Wireless transmitting systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London.-(Assignees of Usselman, G. L. ; Port Jefferson, New York, U.S.A.) April 11, 1933, No. 10822. Convention date, April 28, 1932. [Class 40 (v).] A phase-modulated transmitter, particularly adapted for short waves, comprises a carrier source exciting a pair of valves in different phase by using connecting lines of different electrical length, and the output of each valve is varied in amplitude by applying the signal currents in phase opposition to their input grids or to auxiliary grids ; the output of the two valves being combined vectorially in a common output circuit. The carrier source O is connected to the grid circuits of valves F, G through separate lines L1, L2 one of which includes a device T for adjusting the electrical length of that line. The plates of the valves are connected in parallel to a tuned output circuit 22 coupled through an amplitude-limiter 41 and an amplifier or frequency-multiplier 42 to the aerial 44. The signal from a source 34 is applied to the valve grids in phase opposition by a centre-tapped transformer T2,and steady negative bias is also applied by connecting the centre tap to a point on the supply source 23. The signal thus varies in opposite sense the carrier amplification effected by the valves F, G; and when the outputs are vectorially combined, a phase-modulated wave appears in the circuit 22. The signal voltages may be applied to auxiliary outer grids in the valves F, G (Fig. 2 not shown) ; and the opposite phases of the signal may be amplified before their application to such outer grids (Fig. 3 not shown).
Patent GB-679056-A (GB)
Title: Improved vegetable mincer and shredder
Inventor: BENHAM WILLIAM JAMES
IPC: A23N17/02
Filed: 1950-05-02
Abstract: 679,056. Hoppers. BLOW, Ltd., J. J. May 2, 1951. [May 2, 1950] No. 10833/50. Class 78 (i). [Also in Group I] Material in the hopper 3 of a rotary shredder or mincer 7, is consolidated by a plate 12 oscillated about 13 in an opening 11 in the lower part of the hopper wall 10 the opening 11 being maintained closed e.g. by a curved seal plate 14 attached at the top edge of 12. The plate 12 may be oscillated by hand or power from a crank 16 coupled to an arm 15 on the back of the plate. To allow access to the drum 7 the hopper is swung about its axis 2 and the plate 12 about its axis 13 away from the drum. The plate 12 may be curved to press the material against the drum which has peripheral teeth 8. Specification 546,680, [Group 1]. is referred to.
Patent GB-811020-A (GB)
Title: Improvements relating to watertight-door and like door systems
Inventor: CHAMBERS ARTHUR KEITH
IPC: B63B19/00
Filed: 1956-04-10
Abstract: 811,020. Door - operating appliances. STONE & CO. (CHARLTON) Ltd., J. April 5, 1957 [April 10, 1956], No. 10922/56. Class 65(1) [Also in Group XXIX] A ship's bulk head door is operated by a differential piston 2, the annular face 4 of which is constantly subject to the pressure of an accumulator 24, and the end face 6 of which is opened to pressure or exhaust under the control of the local control device 9 and a remote control device 8. The accumulator is charged by an automatically operated pump 22 which draws liquid from a reservoir 20. For closing the door locally a handle 29 is depressed, which unseats a valve 27 thus subjecting the face 6 to the pressure in a supply line 23. Raising handle 29 seats valve 27 and unseats an exhaust valve 28 so that the door is opened. For the remote operation of the door, a camshaft 17 is rotated so as to unseat a valve 14, thus opening a supply line 11 to a line 10 and applying pressure beneath a piston 36 which is thereby raised. Piston 36 acts through lever 29 to open valve 27 and thus close the door. Rotation of cam-shaft 17 to seat valve 14 and unseat a valve 15 opens the line 10 to exhaust, and piston 36 is returned to its lowest position by liquid supplied through lines 23, 40. A releasable coupling 41 between the piston 36 and lever 29, and which comprises spring-loaded detents 43, enables the door to be closed from either of the control stations even though the other control device may be set to its door opening position.
Patent GB-162532-A (GB)
Title: A new and improved brace attachment for the better engagement with buttons and such like fastenings, for upholding artisans' trousers and similar garments
IPC: A41F3/02
Filed: 1920-04-20
Abstract: 162,532. Smith, W. A., and Smith & Co., Ltd., W. A. April 20, 1920. Braces. - A buttonengaging loop or tab for braces comprises two parts a, f made of wire loosely connected together by interengaging loops d, h, the upper part a having a loop b for attachment to the brace and a central bulged opening e through which the button passes and then slides into the locking bend i of the lower V-shaped part f. To release the button, the lower part f is swung upwardly forcing the button back into the larger opening, from which it can escape freely.
Patent GB-903358-A (GB)
Title: Improvements relating to scaffolding
Inventor: JACKSON GEORGE ROY
IPC: E04G5/06
Filed: 1961-03-25
Abstract: 903,358. Clamps for scaffolding. SCAFFOLD PRODUCTS (COVENTRY) Ltd. March 25, 1961, No. 10986/61. Class 20 (2). Scaffolding is clamped to a chimney &c. by a shoe h slidable on a tube a by a toggle e attached to rings c, f which may be swung round the tube to make the toggle operating handle easily accessible. The end of the toggle opposite the shoe h is fixed by a clamp b. The shoe h cooperates with a fixed shoe j which may be at the other end of the tube for clamping outwards.
Patent GB-705688-A (GB)
Title: Improvements relating to the jointing of pipes
IPC: F16L13/11
Filed: 1951-05-10
Abstract: 705,688. Pipe joints. NORMAN, J. W. E., and NORCON, Ltd. May 8, 1952 [May 10, 1951], No. 11017/51. Class 99 (1). A concrete &c. pipe adapted to be joined to similar pipes by spigot-and-socket joints has a socket end formed with two steps 4, 5 providing recesses 7, 8 of which the inner recess 7 tapers outwardly towards the mouth, and has a spigot end with one step 6 and a tapered end 9 to fit the taper of the rcess 7. A recess 19 in the step 6 holds a seating ring 12 which is compressed by the socket step 5, and a' grouting space 14 is provided in the outer socket recess. The spigot abuts the step 4. A short cylindrical part 10 extends from the recess 19 to the tapered part 9. The taper angle of the recess 7 is from 20 degrees to 30 degrees. The recess 8 may also be tapered, but at a lesser angle. A grouting apron 16 and a removable filler in the form of a bent strip 18 are provided.
Patent GB-610576-A (GB)
Title: Improvements in and relating to methods of and apparatus for manufacturing gas-filled cable
IPC: H01B13/30
Filed: 1946-04-10
Abstract: 610,576. Electric cables. BRITISH THOMSON-HOUSTON CO., Ltd. April 10, 1946, No. 11020. Convention date, April 17, 1945. [Class 36] A method of making a cable having a stranded hollow-core conductor and fibrous insulation consists of removing air and impurities from the core and insulation, impregnating the insulation with liquid, draining off the surplus liquid, applying an inert gas under pressure to the hollow core to force out excess liquid, and finally applying an impervious sheath. The conductor, wrapped with fibrous insulation is wound on a cable drum and placed in the impregnating tank 11, Fig. 2, leads 29 being connected between cable terminals 5 and terminal blocks 28. The gas supply tubes 6 on the cable are connected to supply tubes 30 in each of which is an insulating portion 32. The tank 11 is sealed and evacuated by operation of valve 17, a heating medium is admitted to chamber 26 and a heating current is passed through the cable. After the impurities have been removed by heat and drying, impregnating fluid is admitted by means of valve 12 and allowed to cover the drum. The cable is cooled, nitrogen admitted through valve 20 and surplus oil is drained off by means of valve 15. The tank is re-evacuated and the cable cooled. Any excess fluid still remaining is removed by admitting nitrogen through valve 20 and then applying nitrogen under pressure to the hollow core from supply pipe 21, thus forcing excess fluid out. When the draining process is complete a lead sheath is applied to the cable. Cable sleeves and like end constructions.- During transit the ends of the cable are sealed as shown in Fig. 6. A pull-bolt 37 is inserted under a few of the conductor strands, the remaining strands being cut off at 38. The strands surrounding the bolt are held by means of binding wires 40. The end is completed by a wipe-soldered joint 41 and a threaded plug 43. The opposite end is sealed by means of a flared tube 47, wipe-soldered joint 49 and valve 50 for the supply of gas. Fig. 3 shows the terminal arrangement used during the impregnating process. A gas supply tube 6 is sealed into the electric terminal 5, and firmly secured in the hollow core of the conductor 2.
Patent GB-829682-A (GB)
Title: An improved eiderdown, quilt or the like padded covering
IPC: A47G9/02
Filed: 1956-04-11
Abstract: 829,682. Eiderdowns and bedspreads. DREWETT, C. H. March 1, 1957 [April 11, 1956], No. 11024/56. Class 142(4) An eiderdown, having removable bags of filling material, has pockets 4 closed at both ends and with a mouth 5 intermediate the ends. Each bag completely fills one pocket extending into the pocket on each side of the mouth thereof. The upper surface may be extended to form a valance 6. The sheet 1 may be in two halves with meeting edges to form the mouths 5. Binding or frilling may be attached by edge stitching 2. The mouths 5 may be on the top or on the underside of the eiderdown. There may be two or more lines of pockets. For use as a bedspread alone, the bags are removed.
Patent GB-459098-A (GB)
Title: Improvements in or relating to collapsible transmission mechanisms, particularly for operating electric switches
IPC: H01H3/46
Filed: 1935-07-08
Abstract: 459,098. Toggle linkages. WEST & CO., Ltd., A., and BREEZE, V., Lewes Road, Brighton. July 8, 1935, No. 11027/36. Divided out of 459,369, [Group XXXVII]. [Class 80 (iii)] [See also Group XXXVII] In a collapsable transmission mechanism giving a relatively low mechanical advantage during the first part of the movement and a high mechanical advantage during the final part of the movement, the transmission is effected through a link 2, acting as a tie in tension, and connected at one end to an operating link 3 rotatable in the manner of a crank about a supporting axis A at its other end, the link 3 in the final part of its movement approaching the position in which it overlies the link 2, and the mechanism being adapted to be collapsed by the release of the supporting axis. The movement of the link 3 is effected by means of an operating lever 7 rotatable about a fixed axis Y which is coincident with the supporting axis A at its normal position. The lever 7 carries a spring-controlled latch 8 which, during the transmission movement, engages the pin 9 connecting the links 2, 3, so that the links 3, 7 move substantially as one member. The mechanism is particularly adapted for use with the switch described in Specification 459,369, the link 2 being connected to one end of a lever 1 pivoted between its ends, the other end of the lever being connected to the movable contacts of the switch. With the lever 1 in the position shown in Fig. 4, the switch is open, and is closed by moving the lever 7 and link 3 into the position shown in Fig. 1, in which the link 3 is nearly in line with the link 2. During this movement, the axis A is restrained from movement by a catch 6 which engages a roller 28 carried by an arm 5 integral with an arm 4 which is mounted on a fixed axis X and carries the axis A. In the closed position of the switch, a stop 10 on the lever 7 engages the fixed casing 21 and a catch 12 engages an element 11 on the lever 7. To open the switch, the catch 6 is tripped, e.g. by pressing a push-button 6A, leaving the arm 4 free to rotate in a clockwise direction under the action of a spring 13. The arm 4 moves into engagement with a stop 14 and the link 2 moves upwards to the position shown in Fig. 3, to open the switch ; meanwhile the arm 4 has engaged an extension 15 of the catch 12 and moved the catch out of engagement with the lever 7, so that the latter can be returned to the position shown in Fig. 4, 'in which the latch 8 re-engages the pin 9 ready for reclosing the switch. At the same time, a roller 17 carried by an extension 16 on the lever 7 engages an arm 18 integral with the arm 4 and moves the axis A back into coincidence with the axis Y, in which position the arm 4 is locked by the re-engagement of the catch 6 with the arm 5.