baber/WOPTO huggingface dataset:
Patent GB-193778-A (GB)
Title: Improved apparatus for heating and supplying boiler feed-water
IPC: F22D11/06
Filed: 1922-07-12
Abstract: 193,778. Dickie, C. July 12, 1922. Feed-water, supplying.-Feed-water is heated in elevated tanks 2 by tubular coils 5 connected to the boiler steam space, and the heated water is fed to the boiler by gravity through pipes 8. Cold water enters the tanks through pipes 3. The tanks are interconnected by a pipe 10 fitted with a valve 11, which may place the tanks in communication with the atmosphere.
Patent GB-1084543-A (GB)
Title: Improvements in and relating to electric switchgear
Inventor: FLURSCHEIM CEDRIC HAROLD
IPC: H01H31/02
Filed: 1963-05-14
Abstract: 1,084,543. Vacuum switches. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. April 30, 1964 [May 14, 1963], No. 19111/63. Heading H2B. A vacuum switch is connected between, and in series with, a pair of isolating switches, the three switches being enclosed in a metal tank containing an insulating fluid, each isolating switch consisting of a movable contact (7) co-operating with one or more fixed contacts (4, 6 or 20, 21), (Figs. 1 and 3 respectively, not shown), supported by an insulating bushing (1, 23) which carries a conductor through the metal tank. The fixed contacts may be mounted within an insulating shroud (5) attached to the bushings or within the bushing itself (Fig. 2, not shown). The vacuum switch (not shown) may be operated by compressing the insulating fluid in the tank.
Patent GB-570127-A (GB)
Title: Improvements in or relating to gas-fires
IPC: F24C15/24
Filed: 1943-11-16
Abstract: 570,127. Gas fires; radiants. MAIN, Ltd., R. & A., and FORSHAW, A. Nov. 16, 1943, No. 19121. [Class 126] The radiants comprise separate, refractory bars each having an unapertured, outwardly directed face and means associated with the bars for spacing them apart to provide slots, the side faces of the bars having projections viewable between the bars. The bars have wedge-shaped projections 12 in front, and upper and lower enlargements 10, 11 whereby they are mounted in spaced, parallel relation behind cross bars 6, 7, and are also furnished with horizontally disposed ribs 15, which may be undercut. The bars abut against the fire back ; alternatively, the ribs may be formed on the fire back. The spaces diminish in cross section upwards and form 20-35 per cent. of the area of the fire front. Specification 570,132 is referred to.
Patent GB-1294378-A (GB)
Title: Improvements in or relating to bearings
Inventor: KILMISTER GEORGE THOMAS FREDER
IPC: F16C32/06
Filed: 1970-04-22
Abstract: 1294378 Boring bars NATIONAL RESEARCH DEVELOPMENT CORP 8 July 1971 [22 April 1970] 19165/70 Heading B3C [Also in Division F2] The position of a boring bar 3 is adjusted relative to the housing 1 within which it rotates by a region of presurized fluid which is created between the bar and housing and which rotates with the bar, and which biases the bar in a direction radial of the rotational axis from the position in which the bearings hold the bar in the absence of the flow of fluid which causes the region of pressurized fluid. The bearings may be hydrostatic or rolling bearings (Fig. 2, not shown). Pressurized fluid is supplied via a duct 21 which feeds an annular chamber 20 in the housing. The chamber 20 communicates with passages 22 in the bar which feed the fluid through a central duct 10, to a radial passage 17 which supplies the pressurized region. Alternatively, the position of the bar may be adjusted by causing a rotating region of lower than ambient pressure to be formed.
Patent GB-1286915-A (GB)
Title: Method of producing alkali metal hydrosulphates from formates
IPC: C01B17/66
Filed: 1970-04-22
Abstract: 1286915 Alkali metal hydrosulphites VIRGINIA CHEMICALS Inc 22 April 1970 [28 April 1969] 19189/70 Heading C1A Alkali metal hydrosulphites are prepared by adding a solution of SO 2  in a water-miscible alcohol and an aqueous solution of an alkali metal hydroxide and an alkali metal formate to a heated and stirred water miscible alcohol. The reaction may be carried out at superatmospheric pressure and at a temperature in the range 60-90‹ C. In an example 550 parts of methanol were placed in a reactor 10 and heated to 83‹ C. with stirring at a pressure of 25 p.s.i.g. Feed of a solution containing 540 parts NaOH and 1360 parts HCO 2 Na in 830 parts H 2 O was commenced via line 16 at a rate such that all the solution was fed to the reactor in 48 mins. 8 minutes after the commencement of this addition feed of a solution of 1856 parts of SO 2  in 3250 parts of CH 3 OH was commenced via line 18 at such a rate that 78% of this solution was added in 40 minutes. The remaining SO 2 / CH 3 OH solution was added over a further 48 minutes. Throughout these additions the temperature in the reactor was maintained at 83‹ C. and the pressure at 25 p.s.i.g. by venting CO 2  formed during the reaction, and these conditions were maintained for a further 84 minutes to complete the reaction. After cooling to 70‹ C. the reaction mixture was filtered to recover 2038 parts of anhydrous sodium hydrosulphite after rinsing with CH 3 OH and drying at 70‹ C. under vacuum. In the above description all parts are by weight.
Patent GB-1048494-A (GB)
Title: Rotary exhausters
Inventor: HASQUENHOPH JEAN
IPC: F04C23/00
Filed: 1965-05-07
Abstract: 1,048,494. Rotary pumps. COMMISSARIAT A L'ENERGIE ATOMIQUE. May 7, 1965 [May 8, 1964], No. 19454/65. Heading F1F. A rotary exhauster comprises a casing communicating with aligned suction and delivery ducts 4, 5, Fig. 1, and formed with two identical cylindrical parts 6, 7 having parallel axes and symmetrically disposed on either side of a plane XX<SP>1</SP> passing through the axes of the ducts. Each part 6, 7 receives a moving member 8, 9 having a blade 21, 22 disposed at right-angles to the plane XX<SP>1</SP> which at all times interrupt direct communication between the ducts. The members 8,9 move synchronously to opposite hands along circular paths with the blades always at right-angles to the plane XX<SP>1</SP> and sliding over one another with a slight gap to reduce wear. The members 8, 9 are mounted eccentrically on shafts 10, 11 which extend through the casing on either side and terminate in flanges sealed to the casing by metal bellows to hermetically seal the casing. The shafts are driven by two gears of the same pitch diameter. To reduce direct leakage between the ducts when the members 8, 9 are closest together and the blades 21, 22 fully overlapping, the part 6, 7 at the level of the ducts are radiused to a radius equal to that of the circles along which the members 8, 9 move.
Patent GB-697059-A (GB)
Title: Preparation of ferrites and related compounds
IPC: C04B35/26
Filed: 1951-08-20
Abstract: A ferrite composition, which may for example, be used for a magnetic core, is made by burning in air or oxygen a mixture of iron carbonyl with the carbonyls of one or more other metals.  The iron carbonyl (in the penta-, tetra-, or enneaform) is mixed with the carbonyls of one or more of the metals nickel, cobalt, chromium, molybdenum, tungsten and ruthenium in appropriate proportions, e.g. within the range 4 : 1 to 1 : 3 and heated in air or oxygen until it burns to form the required ferrite compositions in the form of a fine dust which may be collected in a bag filter.  The production of NiFe2O4 and Co Fe2 O4 from iron and the other carbonyl mixed in the mol ratio 2 : 1 is described.
Patent GB-936855-A (GB)
Title: Axle boxes
Inventor: LOVE PHIL PRINCE
IPC: B61F15/10
Filed: 1959-06-08
Abstract: 936,855. Axle boxes. GLACIER METAL CO. Ltd. June 3, 1960 [June 8, 1959], No. 19617/59. Class 12(1). [Also in Group XXXII] An axle box 15 having thrust and journal bearing assemblies as disclosed in Specification 889,646, is mounted on a carriage, and carries an axle 11 in such a manner that the axial and radial forces produced by the carriage act on different parts of the axle box. The axle 11 is supported in a journal half-bearing 17, and engages a thrust half-bearing 12 in the axle box, so that the centre of pressure 13 of the thrust bearing is below the axis of the axle. The vertical load of the carriage is applied through a leaf-spring 16, and the axle box is horizontally fixed by, but vertically slidable, in guides 18 secured to the carriage. Twisting of the axle is taken up by arms 21 slidable in grooves 22 in the axle box, which engage the guides 18, and are pivoted to a link 24, which in turn is pivoted to a lug 25 on the axle box, at the position of the centre of pressure 13.
Patent GB-999638-A (GB)
Title: Speed control system for electric motors
IPC: H02P5/50
Filed: 1962-05-22
Abstract: 999,638. Control of A.C. motors. BORG-WARNER CORPORATION. May 22, 1962 [May 31, 1961], No. 19726/62. Heading H2J. A control channel comprises a D.C. source and a number of slave inverters each associated with a plurality of synchronous motors, the frequency of operation of the slave inverters being controlled by a master inverter whose frequency is, in turn, controlled by a counter. A plurality of control channels are connected to a master oscillator providing a series of pulses recurring at a high frequency, each counter being pre-set to count a predetermined sub-multiple of pulses for operating a master inverter whose output is in the form of a square wave. The slave inverters switch the D.C. power on and off at a frequency determined by the counter, so that all the motors in a particular channel are driven at a speed set by the associated counter. Thus each of the channels is set to operate at a preselected frequency which is a sub-multiple of the master oscillator frequency. As shown, the master oscillator 11 delivers pulses to AND gates 29-32 and to counter and code generator 21 forming part of a counter 12. Each of the selector switches 25-28 are preset to count a given number of pulses. The final output of counter 21 is connected to gate 29, and the next succeeding pulse from the master oscillator causes an output pulse to be fed to counter 22 which receives one pulse for every ten pulses provided to the counter 21. Similarly, the counter 23 receives one pulse for every hundred supplied by the master oscillator, and counter 24 receives one pulse for every thousand. When the preselected count set by switches 25-28 has been obtained, the next succeeding pulse from the master oscillator is transmitted through gates 32, 33, to amplifiers 34, 35. The output from amplifier 34 is fed through transformer 37 for driving the master inverter, whilst the output from amplifier 35 is fed to generator 36 which re-sets the counters 21-24 to their initial condition. The counter 12 then again counts the pre-set number of pulses from the master oscillator to provide another output pulse to the transformer 37.
Patent GB-1462742-A (GB)
Title: Rotary bore hole air hammer
IPC: E21B4/10
Filed: 1974-05-06
Abstract: 1462742 Percussion drills BAKERDRILL Inc 6 May 1974 [27 Aug 1973] 19783/74 Heading B4C [Also in Division E1] The percussion drill disclosed is similar to that disclosed in Specification 1,445,502 except for differences in (a) the design of the keys 28 connecting the anvil section 18 of the bit drive head 15 carried by housing 16 and (b) the design of the supply and valve tube 78. In the case of the keys, these have parallel sides 27a normal to a tangent 18<SP>1</SP> to the anvil and are received in flat-bottom grooves 27 and windows 29 centred on lines parallel to but offset from a radial line R 2 , the arrangement being intended to prevent the keys from being urged outwards against the housing and to provide a larger bearing area for the keys against the anvil in the drilling direction D, than in the opposite direction. In the case of the tube 78, this is shorter than that disclosed in Specification 1,445,502 and omits the lower groove 88d so that it provides for venting of the space below the hammer piston, when the bit is clear of the bottom of the hole, rather than for isolation of that space.
Patent GB-613979-A (GB)
Title: Improved process and apparatus for pre-treatment of artificial fibre fabric
IPC: D06L4/00
Filed: 1946-07-02
Abstract: Artificial fibre fabrics are smoothed mechanically before coming into contact with swelling agents of the concentration used for swelling cotton and linen, e.g. sulphuric acid of 45-55 DEG  B<\>ae or caustic soda of 15-32 DEG  B<\>ae.ALSO:Artificial fibre fabrics are smoothed mechanically before coming into contact with swelling agents of the concentration used for swelling cotton and linen and also prior to and subsequent to at least one stage of the desizing, and/or bleaching treatment. Suitable apparatus for the pretreatment comprises in combination a singeing device, a spreader, a cylinder press, open web washing machines with mangling attachment for desizing and bleaching, endless belt conveyers, rolling apparatus and widthwise stretching apparatus.
Patent GB-280285-A (GB)
Title: Improvements in or relating to mooring masts for lighter-than-air aircraft
IPC: B64F1/14
Filed: 1926-08-11
Abstract: 280,285. Airship Guarantee Co., Ltd., and Burney, C. D. Aug. 11, 1926. Anchoring.-An airship mooring- - mast is constructed so as to act as a gas-container for inflating the airships. A conical mast comprising sixteen longitudinal members A and ring-members B, has a central lift well C around which are arranged three sets of inflatable bags E, two to a set, and separated by bracing wires D', Fig. 2. Ventilation spaces F, G are left at the extremities of the mast, which is surrounded by a cover J of painted or doped sail-cloth. The .cover can be furled and the bags can be stored in containers when not in use. The hydrogen main I is conconnected to the containers by branches I<1> - - I<3>. The bags are of nurse balloon fabric and may be surrounded by mesh wiring, or alternatively may be made from thin metal, with a permanent outer cover J of asbestos, or sheets of iron, aluminium or aluminium alloy. The constructional members are similar to the girders described in Specification 233,021, the tubula.r members being constructed as described in Specification 254,782, [Class 99 (ii), Pipes, tubes, &c,]. Specifications 234,169, 249,949, 252,517 also are referred to.
Patent GB-1460060-A (GB)
Title: Apparatus for manoeuvring aircraft
IPC: B60P3/11
Filed: 1974-05-06
Abstract: 1460060 Tractors for manoeuvring aircraft M L AVIATION CO Ltd 2 May 1975 [6 May 1974] 19858/74 Heading B7H An aircraft handler for use with a light aircraft or helicopter fitted with skids 12 comprises a frame 14 having a pair of coaxial wheels 15 driven by an electric motor 30, a jacking system 16 including a lifting beam 17 for attachment to the skids 12 or the undercarriage structure of the aircraft, and a steering arm 20 which extends rigidly from the frame 14 and terminates in a handle 21 carrying controls 22 for the motor 30 and the jacking system 16. The motor 30 drives the wheels 15 through a differential 31 and parallel gear trains 35 which transmit the drive either to the wheel axles or to serrated drums engaging the peripheries of the wheels. The jacking system 16 comprises a lifting member 47 which is connected to the frame 14 by parallel links 48, 49 and can be raised by a hydraulic ram 44 to which fluid is supplied by a pump driven by a second electric motor 38. The lifting member 47 engages with the lifting beam 17 in a manner permitting the beam to turn on the member 47, and the ends of the beam 17 are clamped to elements 57 fitted to the front ends of the skids 12. Each skid 12 also has attached thereto a wheel assembly 22 including a screw jack operated by a handle 78 to lower wheels 23 and raise the rear end of the skid from the ground. The electric motors 30, 38 are energized through operating circuits housed in replaceable units 40, 41, 42 from batteries 36 carried on the frame 14 or from an external source to which the handler is connected by a detachable lead.
Patent GB-147843-A (GB)
Title: Improvements in turbine drive for propellers of torpedoes rotating in opposite directions
IPC: F01D1/02
Filed: 1920-07-09
Abstract: 147,843. Melms & Pfenninger Kommandit Ges. Feb. 12, 1915, [Convention date]. Torpedoes, locomotive. - The propellers m, n are driven in opposite directions by oppositely-running turbine wheels 1, 2 through which the motive fluid flows in series, and which are symmetrically disposed relatively to the central longitudinal plane of the torpedo so that their diameter is not limited. The shafts b, c of the turbine wheels drive the propeller shafts 7c, l through cone wheels d, e, f, g and hemispherical members h, i which leave the turbine accessible from the other side. To equalize the output of each wheel, short nozzles with parallel walls may be employed so that the motive fluid leaves them at high pressure and expands further in the reaction blades of the wheels.
Patent GB-1287026-A (GB)
Title: Improvements in or relating to rotary distributors
Inventor: HARTLEY MICHAEL AUGUSTINE
IPC: C02F3/04
Filed: 1970-04-24
Abstract: 1287026 Biological filters SIMON-HARTLEY Ltd 19 April 1971 [24 April 1970] 19944/70 Heading C1C A biological filter comprises at least one rotary radially extending distributing arm having a channel with orifices at different heights, in one or both side walls thereof, to discharge effluent on to the filter bed. In Fig. 2 the arm 10 has offset orifices 23, 24 in the side walls of the channel, baffles 40, the distance between the bottom edges of which and the channel bottom 14 decreasing towards the outer end of the arm, two tanks, each provided with an adjustable weir, and two syphon tubes 17, 18 (18, not shown). The arm is supported at column C and on carriage 11 which is driven around the wall W. In use effluent is passed from reservoir R by syphon tubes 17, 18 to the tanks from which the effluent overflows the weirs into the channel to be distributed on filter M. The channel may decrease towards its outer end or may have constant width. The orifices may increase in number at the arm's outer end. There may be more than two rows of orifices. The distributing arms may be supported as cantilevers. The effluent may be supplied by gravity or by a pump to the channel.
Patent GB-1150712-A (GB)
Title: Elastomeric Adhesives Packaged in Aerosol Dispensers
IPC: C09J125/10
Filed: 1966-05-05
Abstract: 1,150,712. Coatings. MINNESOTA MINING & MFG. Co. 5 May, 1966 [6 May, 1965], No. 19974/66. Heading B2E [Also in Divisions C3 and C4]  Substrate such as paper and polystyrene foam may be coated with adhesives by spraying from aerosol dispersers compositions based on elastomers mixed with volatile organic carrier liquid and propellant, there being 10 to 35 weight per cent of solids including tackifier resin and elastomer dissolved in the carrier liquid and milled, crosslinked elastomer in the form of insoluble particles ranging in size from colloidal to larger particles dispersably suspended in the carrier liquid, the proportions being so selected that the contents when discharged form no rubbery strings and not more than minor proportion of non- adherent mist. Examples describe the coating of paper and polystyrene foam by spraying with compositions comprising (I) butadiene/ styrene/divinyl benzene elastomers, rosin acid dimer, glycerol ester of hydrogenated rosin, octylated diphenylammines, morpholine, hexane, methylene chloride and propane; (II) a butadiene, acrylonitrile/divinylbenzene elastomer, oil soluble heat-hardening; alkali catalysed p-t.butyl phenol/formaldehyde resin, glycerol ester of oxidised polymerised abietic acid and terpenes salicylic acid, methyl ethyl ketone and difluorodichloromethane; and (III) polychlorofrenes, pt.butyl phenol/formaldehyde resin, magnesium oxide, water, toluene, petroleum naphtha, .acetone, methylene chloride and difluorodichloromethane.
Patent GB-515874-A (GB)
Title: Improvements in or relating to casement stays
IPC: E05C17/18
Filed: 1938-07-06
Abstract: 515,874. Casement stays. BARTON, P. C. July 6, 1938, No. 19976. [Class 65 (i)] In a casement stay of the kind comprising a bar a provided with a slot having holes a<2> adapted to engage the body c of a fixed pin having a neck c<2> and a head c<1>, the pin is in two parts, comprising a head, neck, body and screw extension c<4> as one part, while the other is a washer or sleeve d co-operating with the first part.
Patent GB-422489-A (GB)
Title: Improvements in means for securing the doors of motor vehicles
IPC: E05B65/40
Filed: 1933-07-14
Abstract: 422,489. Door fastenings. WILKES, C. T. G., 114, Harrison Street, Bloxwich, Walsall. July 14, 1933, No. 19980. [Class 44] The rear door of a motor car may be fastened or not as desired, by closing the front door, the hinged rear edge of the latter carrying a plate o which engages with a sliding bolt f and presses it in against a spring k so that its rear end engages with a keeper r on the free edge of the rear door g. The plate o is hinged to the door a so that it may be moved away from the position shown to disclose a hole n which receives the bolt f so that the latter is not projected to fasten the rear door. To enable the rear door to be closed after the bolt end j has been projected, the keeper r may be formed with a spring tongue p or a spring-pressed bevelled plunger. According to the Provisional Specification the plate o may be slidably arranged. Specification 375,817 is referred to.
Patent GB-299745-A (GB)
Title: Improvements relating to speedometers and other rate meters
IPC: G01P11/00
Filed: 1927-07-27
Abstract: 299,745. Farmer, C. D. July 27, 1927. Average speed, measuring directly. - Comprises a speedometer rate meter of the logarithmic cam type in which the cams employed are formed as multiple convolution cams, the time responsive cam being coaxial with and connected to the rotating case of the timing device while the other cam is driven at a constant gear ratio from its driving source. Logarithmic cam discs 14, 12 are driven according to distance travelled and to time respectively and engage arms on sectors 19, 17 on a common pivot 21; the algebraic sum of the angular movements of the sectors is represented by the position of an interengaging pinion 28 rotatably carried on a toothed sector 15 on the pivot 21 which sector gears with a pinion 29 on the spindle of the pointer 10. The disc .14 is driven by worm gear 22, 18<1>, worm gear 24 and a flexible shaft from the road wheel. The cam 14 provides for two and a half turns representing 250 miles. The initial part of the cam is smoothed out over an arc corresponding from 0 to 2.5 miles, and in the case of the cam 12 for a movement representing one quarter of an hour, and after this the instrument begins to read correctly. The time disc 12 is carried by the clock barrel 9 and rotates with it, a roller carries the arm on the sector 17 engaging the cam face. Similarly a roller 30 carried by the arm on the sector 19 engages the cam on the disc 14. The two sectors are urged towards one another by a spring (not shown). The clock may be rewound from the road wheels, but as shown a spring tongue 3 is pressed in to cause a pawl to engage ratchet teeth 13 on the rim of the disc 12 and by turning the tongue and bezel 2 the clock barrel is rotated to wind up the spring.