baber/WOPTO huggingface dataset:
Patent GB-315319-A (GB)
Title: Improvements relating to safety lamps
IPC: F21L23/00
Filed: 1929-07-10
Abstract: 315,319. Ferrette, L. July 11, 1928, [Convention date]. Miners' and like safety lamps.-A miners' or like safety lamp is adapted to function optionally with compressed air or air at atmospheric pressure supporting combustion, compressed air being used to force the fuel to the burner, while, when the lamp is working at atmospheric pressure, the egress of fuel from the burner draws in the necessary combustion air and expels the burnt gases, through a bank of cooling tubes. The fuel reservoir 1 supports an annular member 4 on to which screws a nut 3 carrying a hood 5 forming an air chamber 6 between the reservoir and the member 4. Supports 7 connect the nut 3 with an upper plate 8 which maintains the glass 9 in position and carries a protective casing 10 to which is secured the carrying ring 11. A pressure connection 15 with a spring-pressed ball valve 23 is provided in the side of the reservoir 1 and may be closed by a cap 25, and an air pipe 28 traversing the reservoir has a connection 29 at the bottom for rubber piping 30, holes 31 opening into the air chamber 6 and a hole 33 with gauze 34 opening above a plate 36 which closes the annular member 4 and supports the burner carrying the mantle 60. When operating at atmospheric pressure the fitting 15 is first connected to any convenient apparatus for raising the pressure in the container so as to force the fuel through a filter 37 in a pipe 38 to a coil 39 and cock 40. The burner is heated to raise its temperature to the gasification point of the fuel and the cock 40 is then opened by a knob 46. From the cock 40 the fuel passes through a vaporizing U-tube 49 in proximity to the mantle 60 and through pipes 51, 52 to an ejector 54, Fig. 2, capped by an apertured pipe 55 with a diffusion gauze 56. The pipe 55 carries a fitting 58 with apertures 59 and a plate 61 with a cup 62 for adjustably mounting the rod 64 carrying the mantle 60. Air is drawn in by the jet of gas from the ejector 54, through gauzes 69 in a chamber 67 fixed to the plate 36, a pipe 65 and apertures 57 in the pipe 55. Further air is drawn into the lamp through the holes 31, 33 in the pipe 28. The gases of combustion pass to the atmosphere through cooling tubes- 72 mounted in a plate 71 surmounting the glass 9, the tubes opening under a canopy 73. When operating under pressure the compressed air is supplied by conduits attached to the connections 15 and 29, air for combustion being supplied to the air chamber 6 through the holes 31 and to the interior of the lamp by the hole 33 and gauze 34. The air supplied by the connection 15 serves to keep a constant static pressure on the fuel as it is consumed, while some of the air supplied to the interior of the lamp passes out through the pipes 72 thus lowering their temperature.
Patent GB-591217-A (GB)
Title: Improvements in electric tumbler switches particularly for alternating current
IPC: H01H23/12
Filed: 1945-08-21
Abstract: 591,217. Tumbler switches. TUCKER, J. B., GAFFNEY, J. E., and FAWKE, H. Aug. 21, 1945, No 21295. [Class 38(v)] In a tumbler switch as described in Speciication . 591,185, an insulating thrust member b is placed beween the roller a<1> of he dolly a and a projection d<1> of the lower ontact d. In a modification (not shown), the lower end of the member b may project through an aperture in the upper contact e to bear on the lower contact d.
Patent GB-353676-A (GB)
Title: A new or improved prop for mines
IPC: E21D15/18
Filed: 1930-07-15
Abstract: 353,676. Mine props. BEECH, W. A., Brereton Hall Cottage, and STALEY, J. J., Brereton Hall, both in Brereton, near Rugeley, Staffordshire. July 15, 1930, No. 21357. [Class 20 (ii).] A collapsable pit prop of the type in which an upper member rests on loose packing material in a lower member provided with a valve to release the packing material to allow collapse of the prop, has the outer ends of the members provided with wooden plugs b, c which normally extend beyond the ends of the members and the inner end of the upper member provided with a wooden plug d to rest on the packing material. The valve for controlling release of packing material comprises an apertured rotatable sleeve k.
Patent GB-383934-A (GB)
Title: Improvements in and relating to wheel hubs
IPC: B60B27/02
Filed: 1932-07-29
Abstract: 383,934. Spring wheels. FICHTEL & SACHS AKT.-GES., 26, Schultes Strasse, Schweinfurt, Germany. July 29, 1932, No. 21413. Convention date, July 29, 1931. [Class 144 (i).] A wheel hub 10, rotatably mounted on a bearing body 5 adapted to rock eccentrically about the wheel axle 7, comprises a one-piece light metal body 5, recessed laterally at its middle part to house a helical buffer spring 11, and provided on the end discs 5a thus formed with conical steel ball races 8. The spring 11 has one of its ends engaged in a radial bore 18 in the body 5, and the other end in a ring 14 slidably, but non-rotatably, mounted on the axle 7.
Patent GB-1131144-A (GB)
Title: Improved frequency adjustment control between a variable speed a.c. machine and a constant frequency circuit
Inventor: EICHHORN JOHANNES FRIEDRICH
IPC: H02P9/42
Filed: 1966-05-13
Abstract: 1,131,144. Supply arrangements using variable-speed A.C. machines. LICENTIA PATENT-VERWALTUNGS G.m.b.H. 13 May, 1966, No. 21419/66. Heading H2H. A supply arrangement for a ship comprises two three-phase A.C. machines 10, 11, whose rotors 13, 14 have interconnected A.C. windings and are simultaneously driven by the propeller shaft, and whose stator windings 17, 15 are respectively connected to a three-phase supply circuit 12 and to a frequency changer 16 in turn connected to the circuit 12. The member 16 may comprise controlled semi-conductor devices and, with power flow therethrough to the circuit 12, is controlled to maintain the frequency of this circuit constant irrespective of changes in rotor speed. However the control of member 16 is temporarily interrupted when rotor speed in the vicinity of synchronous speed causes a low value of frequency at the terminals of winding 15, the synchronous speed being that based on the sums of the poles of the two machines. Thus over a speed range corresponding closely to this synchronous speed the frequency varies slightly above or below the normal value, Fig. 2 (not shown). The temporary interruption may be effected by a conventional timing device (not shown). An inductance and capacitor may be connected between members 12, 16 to block harmonics, Fig. 3 (not shown). In another modification, Fig. 4 (not shown), the output side of the member 16 is connected to the circuit 12 through a further stator winding (28) provided on the machine 10, which further winding may be of the two-phase type.
Patent GB-1421819-A (GB)
Title: Brake lining materials
IPC: C08L61/04
Filed: 1973-05-04
Abstract: 1421819 Brake-lining materials THIOKOL CORP 4 May 1973 [5 May 1972] 21419/73 Heading C3R A brake lining material for an automotive brake comprises asbestos, a synthetic thermosetting resin and an unloaded molecular sieve. The molecular sieve is preferably present in an amount of up to 15% wt. Suitable molecular sieves are synthetic crystalline metal aluminosilicates containing alkali metal or alkaline earth metal cations, which after dehydration have a total void volume of 25-35%, and may have effective pore diameters of 3-10 angstoms. The thermosetting resin is suitably a phenolic resin, e.g. phenol-formaldehyde resin. In the example a brake lining is prepared from asbestos, barium sulphate, a phenolic resin and a molecular sieve having an effective pore diameter of 3 angstroms.
Patent GB-920939-A (GB)
Title: Double-fitting for the infinitely variable mixing of hot and cold water
IPC: F16K11/20
Filed: 1959-06-23
Abstract: 920,939. Supply fittings. C. H. GERDES. June 23, 1959, No. 21479/59. Addition 918,922. Class 26. [Also in Group XXIX]. A double fitting for the variable mixing of hot and cold water, comprises a valve housing 1 having an entrance chamber 5 and a valve chamber 7 for cold water from a supply an internal valve to control the supply thereof to the chamber 7 and an external distributing valve for control therefrom to a mixing chamber 25 and/or a channel 27 leading to a heating element and then to the chamber 25, both valves being independently operable through valve spindles 10, 11, the spindle 10 of the internal valve being located axially in the spindle 11 of the distributing valve having a hollow valve cone 13 secured at its inner end in a conical valve seating to which is connected the mixing chamber 25 and the channel 27, the valve cone 13 having a spiral shaped recess 14 in its outer surface open to the valve chamber 7, and pre-selecting the path of cold water from the chamber 7 to the chamber 25 and/or the channel 27. The valves are arranged in the housing 1 as a single unit. The spindles 10, 11 are sealed with respect to the housing 1 and to each other by a packing plate 9 and packing ring 12. The internal valve comprises a valve body 8 having the packing plate 9 freely rotatably mounted on the inner end of the spindle 10. A hair sieve 3, secured in position by a spring ring 4, is arranged at the entrance chamber 5. An actuating handle is secured to the outer end of the spindle 11, its rotation in both directions being limited by end stops. The handle has recesses in which engages a spring- urged pin for intermediate positions, also acting as a stop for the end positions.
Patent GB-627927-A (GB)
Title: Nitrogen-containing derivatives of tetrahydrocardanol
Filed: 1947-08-07
Abstract: The mono-, di- and tri-nitro derivatives of tetrahydrocardanol (3-pentadecylphenol), and the amino compounds obtained by reduction thereof, may be used as antioxidants in mineral, animal, vegetable and marine oils, lubricating oils and fats, e.g. in olive oil, linseed oil, china-wood oil, fish oils and fish liver oils.  A suitable proportion of the mononitro compounds is 0.1-2 per cent by weight of the oil.  The said compounds may also be used in gasoline as gum inhibitors.ALSO:The mononitro derivatives of tetrahydrocardanol (3-pentadecylphenol) may be reacted with formaldehyde to produce resinous condensation products.  They may also be added to mixtures of paraformaldehyde and polymerized cashew nut shell liquid to accelerate condensation.ALSO:Mononitro derivatives of tetrahydrocardanol (3-pentadecylphenol) are manufactured by nitrating tetrahydrocardanol by a method known to be capable of nitrating phenols.  The nitration is preferably effected with nitric acid of at least 35 per cent (e.g. 35-92 per cent) concentration at 0-30 DEG  C. in the presence of a solvent inert under the reaction conditions and preferably boiling below 150 DEG C., freezing below 0 DEG  C. and dissolving an equal volume of tetrahydrocardanol at 10 DEG  C. (e.g. benzene, toluene, acetic anhydride, chloroform, carbon tetrachloride, 1 : 2 - dichlorethane, trichloroethane, 1 : 2-dichlorethylene or 1-chloro-n-butane, or mixtures thereof), the volume ratio of solvent to tetrahydrocardanol being generally between about 1 : 1 and 6 : 1, preferably between about 2 : 1 and 3 : 1.  The product contains 4- and 6-nitro-3-pentadecylphenol, which may be separated by selectively dissolving the 6-nitro compound in petroleum ether, and may be further nitrated to yield di- and tri-nitro compounds.  The mono-, di-and tri-nitro compounds may be reduced to amines.  The nitro- and amino-compounds are useful as antioxidants, e.g. in mineral and fatty oils and rubber, and as insecticides and fungicides. Examples describe the manufacture and separation of the mononitro compounds and their reduction to the corresponding amines.  The Specification as open to inspection under Sect. 91 comprises also the subject-matter of Specification 627,928, and also the direct nitration of 3-pentadecylphenol to the trinitro compound, e.g. by treatment with fuming nitric acid at 10-60 DEG  C.  This subject-matter does not appear in the Specification as accepted.ALSO:The mono-, di- and tri-nitro derivatives of tetrahydrocardanol (3 - pentadecylphenol), and the amino compounds obtained by reduction thereof, may be employed as insecticides.  The mononitro compounds may also be emulsified with water in the presence of alkalis to give materials which may be used as fungicides with proteins such as gelatin, glue, vegetable proteins and casein.
Patent GB-501919-A (GB)
Title: Improvements in or relating to electron multipliers
IPC: H01J29/02
Filed: 1937-08-05
Abstract: 501,919. Cathode-ray tubes. LUBSZYNSKI H. G., and BROWN, W. S. Aug. 5, 1937, No. 21584. [Class 39 (i)] Apparatus for amplifying an electron image comprises a pair of electrodes, which are substantially parallel, and of which at least one is a plain or continuous secondary-electron-emitting electrode, and an electron mirror which is arranged to reverse the direction of the electrons for the purpose of causing primary or secondary electrons to pass from one electrode to the other. In one form, an optical image is projected onto a photo-electric cathode 4, Fig. 1, which is arranged within an envelope provided with apertured secondary-electron-emitting electrodes 6, 7. The electron-beam from the cathode 4 is focused by cylinders 12, 13 to pass through the aperture in the electrode 6, and is then reflected by the field of the cylinders 14, 15 onto the electrode 6 to release secondary electrons. The potential of the electrode 15 is subsequently altered so that the field of the cylinders 14, 15 will focus the beam of secondary electrons from the electrode 6 so as to pass through the aperture in the electrode 7 and be reflected onto the electrode 7 by the field of the cylinders 16, 17. The potential of the electrode 17 is then altered so that the electron beam from electrode 7 is focused onto a fluoreacent screen or onto a mosaic 8 which is scanned by a beam from a gun to develop picture signals across a resistance 11. During the time that the electrodes 14, 15 or 16, 17 generate focusing fields, the flow of electrons to the electrode 6 or 7 is interrupted by the application of suitable potentials to the electrodes 12, 13 or 14, 15. The electrode potentials may be suitably modified by the application through a delay network 24 of square-topped pulses from a generator 23. In a further form, photoelectrons from a cathode 25, Fig. 2, are focused onto an apertured secondary-electron-emitting electrode 27 to release secondary electrons. The potentials on the electrodes 29, 30, 31 are such that the primary beam is focused onto the electrode but the released secondary electrons are reflected through the aperture in the electrode 27 onto the screen 28. Values of the potentials on the electrodes are contained in the Specification, and electromagnetic coils may be used for focusing. Distortion of the beam may be reduced by using concave secondary-electron-emitting electrodes. Pictures may be projected onto the top and bottom portions of the photo cathode whereby a stereoscopic image .may be viewed on the final screen.
Patent GB-1034745-A (GB)
Title: Encapsulation of transistor assemblies
IPC: H01L23/48
Filed: 1964-05-26
Abstract: 1,034,745. Semi-conductor devices. SIEMENS & HALSKE A.G. May 26, 1964 [May 27, 1963 (2)], No. 21610/64. Heading H1K. An encapsulated transistor assembly with the collector zone on the end of a rod, comprises two other annular electrode members one of which extends between the inner and outer of two insulating rings so as to screen the other annular electrode. Fig. 1 shows a mesa or planar transistor body 2 mounted on a rod 1 which form the collector electrode. A circular metallic member 5 is sealed to a ceramic ring 3 on rod 1 and is connected by gold or gold alloy wires to the base electrode 2b and emitter electrode 2a is similarly connected to a second annular conductive member 6 via a projecting tongue portion 6a, the members 5 and 6 each being sealed to a second ring member 4. The encapsulation is completed by cup-shaped member 9 which may be conducting or non-conducting and is sealed to member 6. Member 9 may have a conducting terminal portion 10. The arrangement providing shielding by member 5 which lies between terminal members 1 and 6 and thus reduces emittercollector capacity. The electrode connections may be interchanged to provide a similar arrangement with low base-collector capacity; if desired an additional portion 8 may be provided which increases the screening effect, and the gold connecting wires may be duplicated to reduce the inductive effect. Member 5 may act as a heat sink.
Patent GB-1380543-A (GB)
Title: Shuttleless loom weft inserters
IPC: D03D47/00
Filed: 1973-05-07
Abstract: 1380543 Shuttleless looms ROCKWELL INTERNATIONAL CORP 7 May 1973 [14 June 1972] 21617/73 Heading D1E The weft engaging head 10 of a flexible tape weft inserter is guided in a horizontal path as it enters and leaves the shed by a shoe 31 biassed downwardly onto it.
Patent GB-334997-A (GB)
Title: Improvements in and relating to gramophone and wireless cabinets
IPC: H04B1/08
Filed: 1929-07-15
Abstract: 334,997. Stott, J. E., and Franklyn, A. G. July 15, 1929. No Patent granted (Sealing fee not paid). Receiving-sets combined with phonographs.-A gramophone cabinet provided with a motor driven turntable and electrical pick-up is adapted to house a portable wireless receiver, means being provided for connecting the receiver amplifier to the pick-up. The front of the cabinet may have a grille 4 or aperture fitting the grille of the receiver, access to the tuning controls being obtained through a hole 9 in the hinged side 5. A lower compartment 10 with hinged door 12 is intended for gramophone records.
Patent GB-584044-A (GB)
Title: An improved device for use in tapping closed containers and for like purposes
IPC: F16L41/14
Filed: 1944-11-07
Abstract: 584,044. Tapping closed containers. MOORE, T. C. P. TUNNARD-. Nov. 7, 1944, No. 21810. [Class 21] [Also in Group XXVIII] An apparatus for tapping closed containers in the delivery of liquid or gas comprises (1) a tubular member A with a head 5a of the same diameter as a hole 6a in the container 6, a portion 5b of reduced cross-section and a threaded portion 5c, (2) a member 7 slidable on the tube A and having an arcuate spur 7b which can lie within the recess at 5b or on rotation of tube A can supplement the portion 5c so that it fills aperture 6a while portion 5a engages behind the container wall, and (3) a nut 10 which consolidates the joint. Washers 11a, 11b, 11c are used.
Patent GB-573265-A (GB)
Title: Improvements in or relating to articulated bogies for track laying or other vehicles
IPC: B62D55/108
Filed: 1943-12-31
Abstract: 573,265. Endless - track vehicles ; road vehicle suspensions. LOYD & CO., Ltd., V., and LOYD, V. G. Dec. 31, 1943, No. 21928. [Class 79 (i)] [Also in Group XXXII] An articulated bogie for endless-track and wheeled vehicles rocks about its pivot 2 to deal with normal road irregularities, this rocking movement being limited by stops or buffers 11, and each wheel 6 or group of wheels 7 is independently sprung relatively to its supporting bracket 4 which rocks on the pivot 2, the springs 16 only coming into action to deal with abnormal road irregularities. The stops or buffers 11 are of rubber and give progressive resistance as the springs 16 are brought into action. In the construction shown each wheel or group of wheels is connected to the bracket 4 by a lever 12 and a compression spring 16. The bogie may have two wheels 6 or, as shown, may have at one end a pair of wheels 7 mounted on a rocking beam 8 pivoted at 15 to the lever 12. Modifications are described in which the bracket 4 is formed with a large hole through which projects a fixed stop, rubber being provided on either the stop or the sides of the hole. Specification 409,225 is referred to.
Patent GB-269785-A (GB)
Title: An improved safety attachment to chaff cutters
IPC: A01F29/14
Filed: 1926-09-07
Abstract: 269,785. Gebert, E. E. Sept. 7, 1926. Reversing machinery by movements of guards or protectors.-The stopping and reversing gear for the feed rollers of a chaff cutter or other agricultural machine is operated by a pedal which has a horizontal sliding movement. The pedal 18, the rear of which is supported on castors, is connected to a lever 16 which, through a connection 14, operates the clutch 11. The operator standing on the pedal 18 will, by his effort to free himself if trapped, automatically reverse the rollers.
Patent GB-1046473-A (GB)
Title: Method and apparatus for coiling strip
Inventor: O'BRIEN JEREMIAH WAGNER
IPC: B21B45/02
Filed: 1963-06-04
Abstract: 1,046,473. Coiling and reeling; rolling. UNITED ENGINEERING & FOUNDRY CO. June 1, 1964 [June 4, 1963], No. 22142/63. Headings B3E and B3M. A pinch roll assembly, for guiding and tensioning strip between a rolling mill and a coiler, comprises a fixed roll 21, and a movable roll 17 mounted on a piston-operated arm 25, pivoted at 26. The roll 17 can be moved towards or away from the roll 21 using the piston, and can also be moved from its position vertically above roll 21, Fig. 1, to the tilted position, in full line, Fig. 2 (not shown). For this tilting movement a pivot rod 26 is moved eccentrically about a gear 30 which is driven by a gear segment 31 operated by a cylinder 33. When the strip 5 passes from this last stand 10 of a finishing mill, the roll 17 is tilted to direct the strip to a coiler 11. When a tension is produced in the strip by the coiler the roll 17 is moved to its vertical position and lifted clear of the strip. The trailing end of the strip before it passes the stand 10 actuates a load cell, for example, to lower the roll 17 so that it creates a tension in the strip as the end is finally coiled. If a strip is coiled at 12 the roll 17 will remain vertical and assist the roll 18 in tensioning the end of the strip. In an alternative form the lower roll 21 can be movable and the roll 17 fixed. A roller 36, in cooperation with rollers 34 and 35, guides the strip edges, the arm 37 which supports the roller 36 being rotatable by a cylinder 41, but being over-ridden by movement of the arm 25 of the roll 17.
Patent GB-1420982-A (GB)
Title: Advertising or lighting fixture
IPC: G09F11/02
Filed: 1973-05-09
Abstract: 1420982 Lamps J S ZAND and A R TERRE 9 May 1973 22154/73 Heading F4R [Also in Divisions G4-G6] Moving apparatus alternates between two  different display shapes which may be two- or  three-dimensional, the apparatus consisting of a group of identical display elements, such as 90 degree segment cylinders 1, symmetrically mounted on pivots 2, 3 about a common drive shaft 7 reversibly driven by motor means 13, 15 in a cyclical manner such that the large wheel 8 rotates cylinders 1, first in one direction to provide the composite shape of Fig. 11, then in the opposite direction to provide the shape of Fig. 12, the drive being through small wheels 9. The wheels 8, 9 are contained in a housing 4 rigidly connected to bottom support 5 by tube 6 with a conical friction clutch 10 reacting in socket 11 of  fixed base 12. When the drive reverses, the friction at clutch 10 ensures that the cylinders 1 rotate to their alternate end positions before the display as a whole rotates. The motor may be electric, hydraulic, pneumatic or mechanical, or a hand-operated lever may be used. The walls of cylinders 1 may be transparent, translucent, or opaque, and may carry advertising or pictorial matter. Internal illumination is possible, and the walls may be of patterned glass or plastics, diffraction gratings, half-tone screens, lenticular screens, fresnel lenses, colour transparencies halograms, mirrors, and other optical devices. Random colour and pattern effects may be provided. Many different segmental shapes are disclosed for cylinders 1.