baber/WOPTO huggingface dataset:
Patent GB-1122097-A (GB)
Title: Improvements in or relating to electric generators
IPC: G01P3/49
Filed: 1966-05-23
Abstract: 1,122,097. Measuring speed electrically. SIEMENS A. G. May 23, 1966 [May 24, 1965], No. 22804/66. Heading G1N. The linear or angular speed of a conductive body 1, Figs. 1 and 2, is measured by applying to it a magnetic field H m  by means of a magnet 2 which induces eddy currents J i  in the body, and measuring by means of a Hall plate 3 the secondary magnetic field Hi produced by the eddy current, the Hall plate being situated out of the influence of the primary magnetic field H m . In one form Fig. 3 (not shown), the Hall plate (3) may be situated in an aperture in one of the primary fieldproducing poles (7). In another form Fig. 4 (not shown) two pairs of poles (10) are spaced apart around the outer region of a rotary conductive disc (9) and oppositely orientated to produce the primary magnetic field; and situated at an intermediate portion of the disc is a pair of magnetically permeable arms (11, 12) arranged with a gap between them through one portion of which the disc perimeter rotates, and in another portion of which, remote from the first, a Hall plate (3) is situated. An arrangement generally similar to that of Fig. 4 is described for measuring the speed of a magnetic tape drive capstan (13, Fig. 5, not shown) of cylindrical form, wherein primary field producing poles (10) are spaced apart, with the Hall plate (3) and its associated polepieces (10, 11) between them. The capstan may be cup-shaped (21, Fig. 6, not shown) and in this case, one of the Hall plate polepieces is formed by a cylinder (25) which is arranged inside and coaxial with the capstan to support it for rotation, the Hall plate (3) being arranged between the cylinder (25) and a polepiece (31) adjacent the outer surface of the cylinder (25). A transistorized differential amplifier circuit is described for use with the Hall plate device Fig. 7 (not shown), the Hall plate being D.C. energized from the same source (U) as the amplifier. Alternatively, the Hall plate may be A.C. energized and an A. C. amplifier used. A low frequency pure sinewave generator may be constructed Fig. 8 (not shown) using a torsionally oscillating drum (32, 33), the angular speed of which is measured by a secondary field device as described above, and using the speed signal after amplification (at 35) to control a Piezo device (37) producing the mechanical drive for the system. Eddy current brakes are described in which the output of the Hall device (3, Fig.9, not shown) is amplified (at 39) and used to control the electromagnet (2) producing the primary field. A proportional control amplifier (39) is used which can be adjusted to vary the rotational speed at which the system stabilizes under the braking effect of the primary field. In a modification Fig. 12 (not shown) a differential amplifier (40) is used, supplying a negative feedback signal (J st ), and receiving an input signal (U o ) which is compared with the positive feedback signal (U H ) and which sets the required speed.
Patent GB-1047019-A (GB)
Title: Improvements in or relating to boilers
IPC: F24F3/153
Filed: 1963-06-07
Abstract: 1,047,019. Boiler furnaces; hot-water boilers; apparatus for heating or cooling air; air conditioning. H. STOCKLI. June 7, 1963 [June 8, 1962], No. 22850/63. Headings F4A, F4B, F4S and F4V. A combined boiler furnace and air conditioner comprises a housing the lower part 3 of which contains combustion chambers 1 and 2 respectively fired by solid fuel and fluid fuel surrounded by a common jacket 15 containing water or a light oil, the latter being supplied by a pipe 30 to a heat exchanger 28 in the upper part 8 of the housing and disposed in the path of fresh or recirculated air. This air entering at 20 passes in turn through a filter 22, a fan 23, a cooler 31, the heat exchanger 28 and out at 26. Liquid from the heat exchanger 28 is returned to the jacket 15 by a three-way valve 41, pipe 42, tank 43 and pipe 45 incorporating a pump 46. Cooler 31 operates as a de-humidifier being supplied with an evaporatable refrigerant from a conventional refrigerating system. When heating the air, it may be necessary to raise its humidity by a sprayer 35 connected by a pipe 34 to water tubes 60 in the combustion chambers and controlled by a hygrometer in one of the rooms to be air conditioned e.g. by an electromagnetically-operated valve 61. When it is desired to cool the air and not de-humidify it, cooler 31 is cut out and the heat exchanger 28 is used as a cooler operating by cold water supplied through pipe 51 and taken off by valve-controlled pipe 63. Water may be taken directly from jacket 15 for use in radiators or as a warm water supply, or water pipes 10 disposed in said jacket above combustion chamber 2 may have the same function. Jacket 15 may have a heat-insulating casing 14 of asbestos or firebrick.
Patent GB-1087230-A (GB)
Title: Tape dispenser
Inventor: FRITZINGER GEORGE HAROLD
IPC: B65H35/00
Filed: 1966-05-23
Abstract: 1,087,230. Tape dispenser. JOHNSON & JOHNSON. May 23, 1966, No. 22902/66. Heading A4G. A tape dispenser comprises an elongate housing having a tape roll 13, Fig. 1 not shown, at its rear end, an applicator roller 15 at its front end and an intermediate hand gripping portion 10b. The first two fingers of the hand can raise trigger 20 depending from lever 17 hinged at 18 and spring-loaded at 19 to lift a lever 32 forwardly loaded by spring 35 so that it rides up guide 37, contacts arm 31 of lever 22 carrying knife 23 so that the knife cuts the tape in co-operation with blade 27 intermediate the roller 15 and guide roller 33. On returning the lever 32, a portion of tape adhering to roller 33 is presented for the next application. Behind trigger 20 a button 43 to be operated by the last two fingers depends from a downwardly sprung lever 39 universally hinged at 40 on the lever 17 and carrying a brake cross-bar member 47a. On raising the button, the tape is gripped between 47a and an anvil 45a on the lever 17. The brake is released on operating the cutter. A pawl 49 and roller 48 prevent return movement of the tape.
Patent GB-262692-A (GB)
Title: An improved support for facilitating the cleaning of boots and shoes
IPC: A47L23/18
Filed: 1926-09-17
Abstract: 262,692. Wilson, R. D. Sept. 17, 1926. Trees and stretchers.-Relates to means for supporting a boot or shoe for cleaning. A heel piece a<3> is carried by an arm a<2> fixed to a wall or other support, the arm a<2> being hollow. A toe piece b<1> is carried by a bar b<2> slidable telescopically in the arm a<2> and is held in the extended position by a ratchet-and-pawl mechanism. A handle b<4> is provided for expanding the device. The pawl d may be carried by the arm a<2> and engage teeth b<3> on the arm b<2>, or teeth may be formed on the arm a<2>, this arm being slotted to permit passage of a pawl carried by the arm b<2>. Preferably, the arm a<2> is removable from the wall attachment, a dove-tail being provided at the end of the arm to engage a corresponding socket in a bracket member secured to the wall.
Patent GB-372191-A (GB)
Title: Improvements in or relating to the charging and scavenging of the cylinders of four-stroke-cycle internal combustion engines
IPC: F02B3/00
Filed: 1931-08-14
Abstract: 372,191. Four-stroke engines; cylinders. SULZER FR’RES SOC. ANON., Winterthur, and HEINZELMANN, H., Kiisnacht, both in Switzerland. Aug. 14, 1931, No. 22960. [Class 7 (ii).] At the end of both the expansion and induction strokes, compressed air is admitted through ports 8 arranged so that the air sweeps over the whole of the cylinder bore. During the expansion stroke a non-return valve 12 prevents any back flow through the ports 8 until the pressure is reduced by the opening of the exhaust valve 6. During the induction stroke the uusal inlet valve 4 closes when the piston reaches position d and thus a suction is created when the ports 8 are uncovered. The passages behind the ports 8 may be parallel or converge to a point which may be either on the cylinder axis or adjacent the opposite cylinder wall.
Patent GB-293229-A (GB)
Title: Improvements in metal rolling
IPC: B21B1/26
Filed: 1927-09-01
Abstract: 293,229. American Rolling Mill Co., and Tytus, J. B. Sept. 1, 1927. Addition to 256,798. Rolling.-The process described in the parent Specification is applied to the production by continuous rolling from a single piece of long metal strips, the piece formed in each stand, at least of the finishing rolls, having a convex contour C, which is more convex than the piece formed in the succeeding stand. The width and gauge of the finished strip are similar to the work produced in sheet mills. The stands of rolls 1 - - 9 are driven by D.C. motors 10 through reducing gears 11, the current being derived from the plant A so that when the relative speeds of the various motors have been correctly adjusted a single element may be employed to adjust the speeds of all the motors simultaneously. The blank is heated in a furnace 12, severed by shears 13, and passed between the roll stands along shoots 13<1> which may be furnaces such as 14. Flying shears 15 may bo provided to sever any defective pieces. The last four or five stands preferably consist of small rolls 18, backed by larger rolls 19 or, alternatively, a three-high stand with one small middle roll may be used. Water and gas pipes may be laid to the roll stands for cooling the rolls or for maintaining them at a constant temperature.
Patent GB-188431-A (GB)
Title: Improvements in show cases for perishable foods
IPC: A47F3/04
Filed: 1921-08-31
Abstract: 188,431. Brierley, H. Aug. 31, 1921. Refrigerators, domestic and like.-A portable showcase for use in open shops for the display of perishable foods is made with an inclined bottom A of marble or of wood lined with zinc, a removable glazed front B, sides C, and a back D with doors to give access to the interior. The bottom A is provided with draining channels leading to an aperture a<1> which is guarded or trapped to prevent access of flies. The sides C are framed and panelled or glazed. Either the back D or the front B or both may be provided with sliding or hinged glazed doors. The top E is fitted with eye bolts &c. to support rods for suspending shelves or the articles to be displayed. An ice chest F may be suspended from the top and be provided with a lid outside the show-case, or refrigerating-liquid may be circulated through pipes. An electrically driven fan may also be fitted. The parts of the show-case are detachably secured together by screws &c. and the joints may be made with asbestos or rubber packing &c.
Patent GB-576773-A (GB)
Title: Improvements in or relating to pipe joints
IPC: F16L17/04
Filed: 1944-11-22
Abstract: 576,773. Pipe joints. JAMIE, R. C. S., and HUNT & TURNER, Ltd. Nov. 22, 1944, No. 23197. [Class 99 (i)] A pipe joint comprises a chamber 3 having walls of flexible material adapted to be secured around the pipe ends, its inner wall having an opening 5 admitting fluid under pressure from the pipes to the chamber. The flexible chamber is secured to the pipes by band-clips 9A and may be reinforced by an external metal band 9. The pipes have external grooves 6 into which the flexible wall of the chamber is forced. In connecting a flexible tube to a rigid pipe the former'is secured by a lap joint to the outer wall of the chamber.
Patent GB-485918-A (GB)
Title: Improvements in or relating to brassieres
IPC: A41C3/00
Filed: 1936-08-24
Abstract: 485,918. Brassieres. GODDYN, S. Aug. 24, 1936, Nos. 23235, 23236, and 23237. Convention dates, Aug. 24, 1935, Feb. 29, 1936, and Aug. 8, 1936. [Class 141] A brassiere comprises a band which is wholly or partially elastic, and of greater length at its upper edge than at its lower edge, the band surrounding the body of the wearer so as to embrace only the lower parts of the breasts, and being supported by shoulder straps which are bifurcated at their front ends, the bifurcations being attached to the band centrally between the breasts, and at the sides in front of the armpits. In the form shown in Figs. 1 and 2, the back of the brassiere is formed by an elastic strip 6 which is connected to the brassiere band 1 by straps 7. The band may be provided with a stomachic portion. In a modification, Fig. 5, the brassiere band is formed by a plurality of spaced parallel bands 11, and the ends of the band are adapted to be detachably fastened at the back of the wearer. In another modification, the band is provided with portions of different height. In a further modification, the band may have an arched formation. In another modification, Fig. 6, the bifurcated ends 13 of the shoulder straps are formed integrally with the brassiere band the lower edge of which may be shaped by means of plaits. In a further modification, Fig. 8, cups or pockets 15 are provided in the upper edge of the band. In a still further modification, the spaces between the upper edge of the band and the bifurcated ends of the shoulder straps are filled wholly or partially by fabric which may be pleated or gathered. In another modification, the band may be apertured, and secured at the back thereof to a corset.
Patent GB-1303388-A (GB)
IPC: A22C11/02
Filed: 1971-04-19
Abstract: 1303388 Filled tubular casings MASKINFABRIKKEN HEFA AABYBRO AS 19 April 1971 [31 March 1970] 23269/71 Heading A2B A tubular casing element is filled in a process which comprises gripping a tubular casing by a gripper device on a support member, advancing the support member up to a filling device and passing an end of the casing over the filler device, where it is gripped, returning the support member to its initial position, filling the casing and tying at locations bounding the filled zone, cutting the casing adjacent at least one of said locations, and removing the filled element. Desirably, flat end pieces may be inserted in filling to define the ends of the zone, about which the casing is then tied. Fig. 1 shows a suitable apparatus, wherein casing is passed via aperture 4 and over roller 5 through an aperture 6 in tube 7, which is secured to carriage 8 which runs on rails 10. The casing then is pulled over supporting block 11, for example of nylon, and is gripped by members 15. The block 11 on the carriage is moved to filling device 2, the casing is positioned over it and secured by members 16. 3 is one of the end-pieces used to define the ends of the filled zone.
Patent GB-1016931-A (GB)
Title: Improvements in or relating to engine exhaust systems
IPC: F01N1/08
Filed: 1963-06-12
Abstract: 1,016,931. Exhaust silencers. E. HORNE. Sept. 1, 1964 [June 12, 1963], No. 23323/63. Heading F1B. An exhaust silencer comprises a shell 11 surmounting an open-ended pipe 10 which is provided with apertures formed by inclined slits 17. A baffle 14 with opening 15 may be situated downstream of the end of pipe 10 and the upstream end of shell 11 may be open and provided with a bell mouth to allow flow of air to produce a suction effect on apertures 17.
Patent GB-776422-A (GB)
Title: Improvements in or relating to oil separator craft
IPC: F02B3/06
Filed: 1955-08-12
Abstract: <PICT:0776422/III/1> An oil separator craft having a normally submerged tank portion 48 for the reception of oil and water to be separated with normally open openings 21 in its bottom, has an inclined baffle plate 44 in the tank below and adjacent the deck 29, a screen 46 above and in contact with the baffle plate, and a second inclined baffle plate 43, both plates 44 and 43 having thereon a multiplicity of upstanding short rods 45 which aid in the separation of emulsified oil and water.  The mixture is supplied by a hose 47 to the baffle plate 44 from whence it flows via screen 46 and baffle plate 43 into the main well 48A of the tank 48, the floating oil being removed through the bell mouth 76 of a pipe 75 connected to a pump and the water flowing out through openings 21.  The vertical position of the bell mouth is adjusted by a control rod 78.  A helical coil 49 feeds steam to a number of parallel pipes 50 to heat the mixture, and the viscosity and specific gravity of the fuel oil being separated are reduced by adding to said oil a proportion of diesel oil via a supply pipe 53 leading to a tube 55 perforated by holes 56.  When the depth of sludge or oil on the bottom 11 of well 48A reaches that of collars 22 surrounding the openings 21 the latter are closed by manually lowering covers 23 (see Group XXXIII) and the mixture passes via apertures 68 and 69 in a double walled partition 61 into a scavenging compartment 60 from which the water flows out of normally open openings 70 and the floating oil is extracted at 74 by a pump 73 and delivered to the baffle plate 44.
Patent GB-1467258-A (GB)
Title: Nozzle device
IPC: B05B7/06
Filed: 1973-05-16
Abstract: 1467258 Ejectors IMPERIAL CHEMICAL INDUSTRIES Ltd 23 April 1974 [16 May 1973] 23332/73 Heading F1E [Also in Division B1-2] A high-pressure liquid jet device, suitable for hydrodynamic cleaning, comprises a jet tube 7 for delivering liquid, e.g. water or an organic solvent, at a pressure of at least 50 bar and a nozzle 1 having an internal passage 2, the nozzle comprising an entry zone 3 for fluid, e.g. steam, a restricted throat zone 4, a frusto-conical expansion portion 5 and a cylindrical mixing zone 6 having a discharge orifice the end of the jet tube 7 being disposed in the throat zone 4 and being directed towards the discharge orifice. In use, fluid admitted to the entry zone 3 and passing through the throat zone 4 is accelerated in the expansion portion 5 to a speed in excess that of the liquid leaving the jet tube 7, and in the mixing zone 6 the fluid imparts momentum to the liquid leaving the jet tube. The radius of curvature of the smoothly curved upstream shoulder of the throat zone is between one-tenth and twice the diameter of the throat. The included angle of the frusto-conical expansion portion 5 is between 5 degrees and 15 degrees, and the mixing zone 6 has a length: diameter ratio of between 1:1 and 10:1. The ratio of the fluid pressures at the inlet end of the entry zone 3 and the throat zone 4 may be so arranged that the fluid is accelerated to sonic velocity at the throat zone 4, and accelerated to supersonic velocity in the expansion portion 5. The fluid may be heated before passing through the throat zone 4. The orifice speed of the jet is typically 100 to 500 m/sec and the liquid supply pressure may be up to 7000 bar, but is preferably less than 1000 bar. The jet tube 7 may be of hardened steel or tungsten carbide.
Patent GB-421750-A (GB)
Title: Improvements in or relating to compression ignition two-cycle oil engines
IPC: F01P5/10
Filed: 1933-08-22
Abstract: 421,750. Driving water pumps. CROSSLEY BROS., Ltd., and CARTER, H. D., Openshaw, Manchester. Aug. 22, 1933, No. 23333. [Class 7 (ii)] In a two-stroke engine in which the scavenging pump is in line with the cylinders and driven by a crank c<1> on the main crank-shaft the circulating and bilge water pumps a, bare mounted at one side of the scavenging pump and driven from an eccentric strap g on the main shaft. The drive is through an oscillating sleeve i and links m.
Patent GB-1311104-A (GB)
Title: Dynamo steel
IPC: C21D3/04
Filed: 1970-05-18
Abstract: 1311104 Low carbon steel HOESCH AG 14 May 1970 [20 June 1969] 23491/70 Heading C7A Non-alloyed steel containing less than 0À015% C, up to 0À25% P, and when required for de-oxidation up to 0À5% Si and/or up to 0À1% Al is vacuum treated while molten and is then cast, hot-rolled, cold-rolled and de-carburized during re-crystallization annealing to a carbon content of less than 0À01%. Annealing may be continuous at 750-1100‹C. or in a closed furnace at 650-950‹C. The steel may contain Mn up to 0À8% or up to 1À1% when P is less than 0À05%.
Patent GB-149996-A (GB)
Title: Improvements in and relating to the obtention of energy on ships
IPC: F03B13/00
Filed: 1920-08-11
Abstract: 149,996. Wyrsch, E., Wyrsch, A., and Wyrsch, O. Aug. 12, 1919, [Convention date]. Void [Published under Sect. 91 of the Act]. Power, obtaining from ship's way.-Apparatus for obtaining power from the way on a sailing- ship oomprises an inlet pipe c, leading from just below the water-line forward, a Pelton or like water motor b and an outlet pipe d leading aft and leading outward beneath the bottom at the stern. Valves are fitted to the pipe lines. The motor may drive an electric generator for lighting, and other purposes on board. When the ship is stationary, water discharged from the motor may pass to a reservoir in the hull to be subsequently pumped out when under way.
Patent GB-347080-A (GB)
Title: Improvements in commutators for dynamo-electric machines
IPC: H02K13/00
Filed: 1930-08-06
Abstract: The commutator bars of dynamo-electric machines are formed of an alloy of copper and cadmium, the proportion of copper being not less than 90 per cent, and preferably 95 to 97 per cent.
Patent GB-258090-A (GB)
Title: Improvements relating to buildings, walls and the like
IPC: E04B2/58
Filed: 1925-09-22
Abstract: 258,090. Leabank Manufacturing Co., Ltd., and Kent, F. W. Sept. 22, 1925. Walls ; panels.- Panels of asbestos cement, plywood, compoboard, or other material are secured on all their edges to flanged framework by metal strips 4 bent to an S-section. The strips may be mitered and secured together at a corner of a panel to form a rigid angle; they may grip the panels and framework or be secured by screws or nails, or be closed down on the framework after assemblage.
Patent GB-836159-A (GB)
Title: Improvements in or relating to doors
Inventor: KERR EDWARD ANGUS
IPC: E05D15/10
Filed: 1957-07-29
Abstract: 836,159. Door operating appliances. ARMSTRONG CORK CO. June 30, 1958 [July 29, 1957], No. 23942/57. Class 65(1) The door 1 of a cold storage room has hydraulic suspension means, comprising links 11 and jacks 12, by which the door may be raised and lowered, and door traversing means, both having a single support, a bar 10. The bar 10 is suspended from an I-girder 8 by rollers 9 and the traversing means comprises an electric motor 18 driving a wheel 19 which may either frictionally engage the underside of girder 8 or be a sprocket engaging a chain on the girder. The links 11 are secured slightly off-centre of the bar 10 so that the door tends to rest in a position outwardly of the door opening but cams 16 carried by the door are acted on by fixed rollers 17 when the door is lowered to force it into the opening.