baber/WOPTO huggingface dataset:
Patent GB-289808-A (GB)
Title: Improvements in and relating to protective gas-masks
IPC: A62B18/08
Filed: 1928-04-30
Abstract: 289,808. Drõger, (nÚe Strange). E., (trading as Drõgerwerk, H. & B. Drõger), (Representative of Drõger, A. B.). May 2, 1927, [Convention date]. Respirators. - In gas masks b in which the filter box d is suspended from the mouthpiece by the hose c, the filter box is additionally supported by straps such as e attached to the upper corners m of the mask, or, as shown, by a single strap passing around the head, guides being provided at m and on a headpad n forming part of the normal harness of the mask. The filter box d is provided with a retaining ring h through which the strap or straps e are passed or to which they are attached by hooks. Adjusting buckles g are provided on the strap or straps e. As illustrated the hose c comprises two branches controlled by a common inlet valve and entering the mask on either side of an outlet valve p.
Patent GB-1043941-A (GB)
Title: Improved bicycle pedal crank assembly
IPC: B62M9/08
Filed: 1965-03-25
Abstract: 1,043,941. Pedal crank assemblies. ALFRED THUM & CO., G.m.b.H. March 25, 1965, No. 12633/65. Heading B7E. A bicycle pedal crank assembly comprises a spindle 3 mounting a pedal crank 5 by means of a cotter 7, and a crank 4 initially located by a double conical bolt 17, which latter crank is welded to the spindle. The chain wheel 9 is apertured to engage over a polygonal collar 8 on the spindle or crank (see also Figs. 3-8, not shown), and an inner ball-bearing ring 11 is screwed on to the spindle to locate the wheel 9.
Patent GB-831962-A (GB)
Title: Improvements relating to hydraulic control gears for the storage of goods, particularly for the parking of automobiles
IPC: E04H6/36
Filed: 1956-04-25
Abstract: 831,962. Mechanical garages. BUSS A. G., and TRUNINGER, P. April 25, 1956 [April 30, 1955], No. 12727/56. Class 78 (4). A storage installation, particularly for vehicles, such as that described in Specification 741,709, comprising two adjacent tracks connected at their ends by transverse tracks, and coupled vehicle-carrying platforms movable on said tracks, is controlled by four hydraulic motors each comprising a fixed double-acting piston 12, Fig. 2, with two hollow piston rods 11a, 11b and a cylinder slidable thereon, each cylinder carrying members 14, 15 which engage a projection 16 on one of the platforms. The members 14, 15 may be moved out of engagement by hydraulic stops 17, 18 to enable the cylinder to perform an idle stroke in either direction as required. Fluid is fed to the cylinders from a pump 21 through a rotary valve 50 which contains in its rotary part two peripheral channels 64, 65, in different planes, and a rate control means comprising spring-loaded throttling pistons 25 and 36. Piston 25 is operated to brake the main cylinders by a push-rod 68, shown diagrammatically in Fig. 2, which is actuated by one of four double levers 67, according to the position of the rotary valve, the levers in turn being actuated by ramps 26, 27 on the cylinders. Piston 36 acts as a stabilizer and takes up a position according to the difference in pressure between channels 50c and 39. Each pair of opposite cylinders moves simultaneously in the same direction; the position shown in Fig. 2, cylinder 53 is working and cylinder 54 idling, both in the direction of the arrow x<SP>1</SP>. Fluid passes from the pump 21 through the groove 64 to the outlet 50a, thence into the cylinder 53 via a hole 11<SP>c</SP> in the piston rod 11<SP>b</SP>. Fluid from the other side of the piston 12 escapes through the rate control means to cylinder 54, and fluid escaping from that cylinder passes through the groove 65 to the sump 22. A relief valve 48 limits the accelerating pressure to the maximum permissible, and a valve 48a, which is energized electrically after acceleration, limits the pump pressure to a much lower value during braking.
Patent GB-698178-A (GB)
Title: Improvements in domestic fireplaces
IPC: F24B1/188
Filed: 1950-05-22
Abstract: 698,178. Air-heating fireplaces. BAXENDALE, R., and BAXENDALE, J. May 3, 1951 [May 22, 1950], No. 12737/50. Class 64 (iii) In a fireplace having below the grate 4 a casing 1 to which air for combustion is admitted from below the floor 2, e.g., by a pipe 3, fresh air is supplied from an air intake in an external wall of the building through an asbestos duct 8 extending beneath the floor to a hollow, cast metal side cheek 5 of the fireback 6, the warmed air being delivered by asbestos piping 9 to the room in which the fireplace is situated or to other rooms. Another pipe 8 is connected to the other side cheek 5. The whole of the fireback 6 may be formed with airheating passages. In a modification, Fig. 2 (not shown), a brick chamber surrounds the casing 1 and the fresh air is admitted to this chamber for preheating before entering the side cheeks 5.
Patent GB-1145072-A (GB)
Title: Improvements in and relating to magnetic focussng systems
IPC: H01J23/087
Filed: 1966-03-23
Abstract: 1,145,072. Discharge tubes. SIEMENS A.G. 23 March. 1966 [24 March, 1965], No. 12759/66. Heading H1D. A magnetic focusing system for focusing an electron beam along an axis, e.g. for a travelling wave tube, includes two sets of opposed rectangular permanent magnets arranged one either side of the axis with like poles adjacent the axis, the height of the magnets successively decreasing such that their distance from the axis increases steadily from one end of the system, except for one pair of magnets which are shortened to provide a recess 4 for the introduction of a coupling waveguide in a perpendicular direction, magnetic compensation being provided by further opposed magnets 5, having the same pole as the two sets adjacent the axis, and mounted both in line with the magnets bounding the recess, and also lying in the perpendicular direction; the outer poles of all the magnets are linked by a magnetically soft screening member 2 which extends beyond the shortest mag - net either, as shown, to an iris plate extending across the axis, or to a similar system having its magnets of the other polarity adjacent the axis, i.e. in the arrangement shown, the iris plate may be omitted. Temperature compensation may be provided by arranging highly temperature sensitive magnets in parallel with the compensating magnets.
Patent GB-592342-A (GB)
Title: Improvements relating to ships' berths and the like
IPC: B63B29/10
Filed: 1945-05-22
Abstract: 592,342. Berths. HOSKINS & SEWELL, Ltd., and HARVEY, J. H. May 22, 1945, No. 12767. [Classes 52(ii) and 52(v)] Means for supporting a berth frame comprises sockets let into a cabin wall and formed with screw-threaded holes for the reception of screws by means of which brackets attached to the rear edge of the frame are detachably secured in position. In one form, Fig. 1, brackets e, adapted to be secured by screws f to sockets g in the cabin wall, are hinged to plates d secured to the inner surface of the rear edge of the berth frame a. The outer corners of the berth are supported by stays from the fixed bed frame b. When the berth is dismounted, the brackets e are swung inwardly so that the frame a may be stowed within the frame b. In a second form, Fig. 4, the brackets h have end portions h<1>, adapted to be secured to the cabin wall, and slotted end portions h<2> in which the rear edge of the frame a is inserted and secured by set screws i.
Patent GB-1255223-A (GB)
Title: Vacuum circuit interrupter
Inventor: TAKEUCHI KOICHI
IPC: H01H33/662
Filed: 1969-03-11
Abstract: 1,255,223. Vacuum switches. MITSUBISHI DENKI K.K. 11 March, 1969, No. 12791/69. Heading H1N. In a vacuum switch of the type comprising a cylindrical metallic housing 10 defining an arc extinguishing chamber 16, a pair of stationary and movable contacts 34, 35, disposed in the housing and carried by conductive rods 32, 33, and an electrically insulating chamber 26 and/ or 27 secured to at least one end of the chamber 16 and defined by a hollow cylinder 22 or 23, respectively, at least one contact includes a low melting-point metal, and the housing 10 is of stainless steel, preferably a non-magnetic stainless steel of austenitic structure consisting of at least 10% by weight of chromium, at least 6% by weight of nickel, and the balance iron. Each cylinder 22, 23, is closed at one end by a flat or cup-shaped metallic cover 24, 25, and is secured at the other end to an apertured metallic end plate 12, 13, welded to the housing 10 so that the end of the housing and the edge of the plate are substantially flush. The end plates engage the adjacent end portions of the housing 10 over a relatively large axial extent to reinforce the housing, different methods of achieving this being described in Figs. 1 and 3, and in Figs. 2, 4, 5, 6 (not shown). The contacts 34, 35, are of copper and include, as the low melting- point metal, metals such as bismuth, tellurium, antimony or silver. The thickness of the housing 10 is in a specific relationship to its outside diameter. As described and claimed in Specification 19271/69, stainless steel shields 36, 37, 38, 39, are provided to prevent metal vapors from entering chambers 26, 27, and to prevent thermal radiation from overheating the insulating cylinders 22, 23. The shields are flat or cup-shaped, and shield 36 may have a hollow cylindrical portion 48 projecting into chamber 26, Fig. 3. The assembly of the switch is described, an exhaust tube 40 being connected to a vacuum pump (not shown) and heating devices 62, 64, Fig. 7 (not shown), including gas burners, being provided for heating the entire assembly and the metallic housing 10 only, respectively. Device 64 may be a high frequency heater. Alternatively heat is generated by bringing contacts 34, 35, together and passing a high current therethrough.
Patent GB-980429-A (GB)
Title: Improvements in methods for the preparation of molten iron or steel
IPC: C21B13/12
Filed: 1961-04-10
Abstract: A method for the production of iron comprises reducing iron ore to FeO, crushing the FeO and adding slag-forming materials before reducing the FeO to Fe by hydrogen in a fluidized bed, forming the iron produced into electrodes which are then melted under slag. Fluor-spar, ilmenite, nickel oxide, molybdic anhydride, calcium molybdate, and iron or nickel alloys may be added.  Specifications 965,426, 965,427 and 980,426 are referred to.
Patent GB-1465790-A (GB)
Title: Truck
IPC: B66F9/06
Filed: 1974-03-22
Abstract: 1465790 Elevators K JACOBSSON 22 March 1974 [22 March 1973] 12914/74 Heading B8L A truck comprises a wheeled chassis 2 on which masts 3, 4 are mounted at either end thereof, the masts 3, 4 respectively movably supporting a load supporting device 11 and an operator's cabin 18 which are movable under the action of respective hydraulic jacks (10, 20), Fig. 2 (not shown), the latter being separately and independently operable. Sideways movable support means 22 on the device 11 permits a load to be moved laterally of the truck, e.g. into and out of storage racks.
Patent GB-305420-A (GB)
Title: Heat-operated electric switch
IPC: H01H71/20
Filed: 1928-05-03
Abstract: 305,420. Richardson, G. May 3, 1928. Alarms operated by fusible devices.-A switch, suitable for use as a fire alarm, comprises an insulating cylinder A carrying two terminals C, D which are adapted to be electrically connected by a spring-pressed plunger E when this is released by the melting of the fusible material D<2>. The cylinder A is perforated to allow the heat to penetrate to the fusible material. Reference has been directed by the Comptroller to Specification 197,144, [Class 38 (v), Electric switches &c.].
Patent GB-584274-A (GB)
Title: Improvements in or relating to conveyor systems
IPC: B65G47/244
Filed: 1944-07-07
Abstract: 584,274. Endless-chain conveyers. KING, Ltd., G. W., and KING, D. M. July 7, 1944, No. 13043. [Class 78 (i)] In conveyers of the kind in which the load carriers are rotated at predetermined positions of their travel by the engagement of a wheel, or the like, on each carrier with a stationary track, means is provided whereby each wheel is returned to the inoperative position at the end of a run and preferably is set automatically to a new operative position before commencing the next run. Each trolley 10, Fig. 1, supports a rotatable square-sectioned shaft 14 to which the load carrier is attached at 15. A wheel 16 having oppositely-inclined side faces 17 is slidably mounted on the shaft 14, and is held in adjusted position by the engagement of spring-pressed balls with recesses. The wheel is set to engage any desired one of a series of spring-loaded ramps 19 provided along the track. At the end of a run each wheel is moved to inoperative position at the bottom of the shaft by engagement with the lower edge 22, Fig. 2, of a plate 20. A series of pivoted fingers 25 is provided for resetting the wheel.
Patent GB-1034147-A (GB)
Title: Sonobuoy depth selection mechanism
IPC: B63B22/00
Filed: 1965-03-26
Abstract: 1,034,147. Soriobuoy. SANDERS ASSOCIATES Inc. March 26, 1965 [March 26, 1964], No. 13052/65. Heading G4F. The release depth of a sonobuoy's hydrophone unit is preset to one of two depths by rotating cap 17 through 180 degrees. The rotary motion is transmitted via square pin 22, socket 58, tang 59, indentation 62, tangs 64, 66 to a rotary member 68 having a pin 71 which slides in a helical slot 72 to raise or lower the member 68 when rotated. In the lower position a pin 75 engages with a hoop on the hydrophone suspension cable 77 so that on release of the hydrophone unit 83, 84 only a limited length of cable can unwind, Fig. 2 (not shown). In the higher position, the pin is clear of the loop, and all the cable can unwind, Fig. 3 (not shown). On striking the water, the lower cover 82 is released and the hydrophones 83, 84, weight 81 and soft-water-energizes battery 61 drops free. Helical spring 33 then rotates cap 17 until pin 23 passes through the slot in ring 32 to allow this cap to be ejected. When being set, the cap 17 is held in one or other of its two rotating positions by ring 52, co-operating with detents 57.
Patent GB-271860-A (GB)
Title: Improvements in combined sorting and feeding machines
IPC: B03B9/06
Filed: 1927-05-16
Abstract: 271,860. Lentz, A. May 28, 1926, [Convention date]. Fixed sieves.-A combined sorting and feeding machine for ashes, stones and the like has a changeable sieve h supported by the casing which houses -the centrifugal thrower o and the driving motor. The thrower is provided with beaters f and is coupled to the driving flange d of the motor by a shearing pin g. The axis of the thrower and the casing.is inclined to the horizontal. The material is thrown through the sieve and is ejected from the casing by the centrifugal thrower into wagons or containers. The connection between the thrower e and the driving flange d may form a slipping coupling.
Patent GB-1415602-A (GB)
Title: Power supplies
IPC: H02M7/5387
Filed: 1973-03-19
Abstract: 1415602 Inverting WESTERN ELECTRIC CO Inc 19 March 1973 [22 March 1972] 13147/73 Heading H2F An inverter comprises switching devices, such as transistors 320 ... 335 driven by a direct current source 301, having a switching- type regulator 305 and an inductor 310, which when the voltage at the output of the regulator is less than a predetermined voltage, serves as the sole source of current for inversion, whereby the peak current is limited by the inductor 310, the inverter also having a voltage limiting device such as 371, 372 to reduce the voltage across the inverter during change-over. As described, the pairs of transistors 320, 335; 325, 330 are driven by a square wave from source 345 so as to be alternately conductive. The output of the inverter from transformer 340 is rectified at 355 and used to feed a D.C. load 360, During a change-over period, assuming 325 and 330 have just been turned on and 320 is still conductive because of charge storage, capacitor 361 will discharge via diode 363 into the primary of transformer 341, with an increase in current as the current in transistor 320 is reduced. Diode 372 and Zener diode 371 prevent excess voltage across the inverter should capacitor 361 recharge with opposite polarity. Capacitor 361 ultimately recharges with correct polarity via resistor 365. In Fig. 5 (not shown) auxiliary transformers are connected in series with the square wave drive from source 345, their outputs being rectified and used to charge capacitors 361, 362. The output of a further transformer, in series with the square wave drive, is rectified and feeds back D.C. energy to the output of transistor 305.
Patent GB-340813-A (GB)
Title: Improvements in clips
IPC: G09F1/10
Filed: 1929-10-22
Abstract: 340,813. Clip fastenings. BAINES. C., 28, Broughton Street, Beeston, Notting- hamshire. Oct. 22, 1929, No. 13189. [Class 44.] In a clip device comprising a spring arm 3 carried by a sucker cup 1 and adapted, when the cup is applied to a window &c. to bear against the window so that a poster or other article to be supported can be inserted between the arm and window, the cup has a thickened or solid extension 2 to which the arm is suitably secured. As shown, the extension is passed through an aperture in the arm and secured by a cupped washer 4 and a pin 5 passed through the extension. A modification is described in which the washer is flat. The extension is preferably of such form that it must be compressed to pass it through the aperture in the arm. A further modification is described in which a screw, the head of which is embedded in the extension, extends axially from the extension against the flat end face of which the arm is clamped by washer and nut.
Patent GB-272331-A (GB)
Title: A portable combined plug and socket for electrical purposes
IPC: H01R4/24
Filed: 1926-05-25
Abstract: 272,331. Spaull, B. A. May 25, 1926. Plug couplings; needlepoint couplings.-The socket part 7 of a plug-and-socket coupling is externally screwthreaded and formed with a point 8 that pierces the insulation of a conductor 10 and makes contact therewith when the socket is screwed down. The insulated wire is held in a recess 11 and is gripped by the shoulder 9 above the point 8 which enters a recess 15. The lead to the plug member 1 is similarly held and connected. The lower part C carrying the recesses 11 may be centrally pivoted to the part B carrying the sockets, so that it cam be turned to facilitate insertion of the leads. A nut on the pivot is tightened when the parts are in their working position. The heads of the sockets 7 may be accommodated in recesses in the insulating body A of the plug member.
Patent GB-737882-A (GB)
Title: Improvements in or relating to labelling machines
Inventor: ARMSTRONG NORMAN FRANCIS
IPC: B65C9/36
Filed: 1952-05-24
Abstract: 737,882. Labelling machines. CROWN CORK CO., Ltd. Aug. 24. 1953 [May 24, 1952], No. 13223/52. Class 73. In a labelling machine of the kind in which a label is taken by a suction gripper from a stack, is gummed and applied to an article by a spreading action, the suction gripper 5, Fig. 3, is mounted on the end of a tubular plunger 3 slidable in a head block 1 and is in communication with the vacuum source via the plunger 3 and block 1, resilient wiper or roller arms 6, 7 carrying wipers or rollers 8, 9 being mounted on the block 1 which, when the gripper 5 abuts against the article, moves downwardly relative to the plunger 3 against the action of a spring 4 to cause outward movement of the wipers or rollers 8, 9 to spread the label on the article and to cut off the vacuum source. The block 1 is mounted on the end of a tubular spindle 2, Fig. 1, for vertical movement and rotation as described in Specification 636,445. The vacuum source is connected to one end of the spindle 2, the other end communicating with a horizontal bore 1b in the block 1 which leads into the vertical bore 1a on which slides the plunger 3. In the extended position of the plunger, a circumferential groove 3a in the plunger communicating with its interior, is in communication with the bore 1b and the gripper 5 is thus in communication with the vacuum source. Downward movement of the block 1 relative to the plunger therefore cuts off the vacuum source from the gripper 5. The roller arms 6, 7. may be interconnected by tension springs and for. applying labels to flat or concave surfaces the roller arms are arranged diagonally so that they cross one another.
Patent GB-132520-A (GB)
IPC: C22B9/10
Abstract: 132,520. Dutoit, P., and Soever, A. Sept. 11, 1918, [Convention date]. Alloys.-Brass is made or refined by melting copper and zinc, or brass scrap or scum, ashes, or slag, in a molten salt, such as barium chloride, the density of which is such that the impurities rise to the top and the alloy remains at the bottom. The process may be carried out in an alternating-current electric furnace. The Specification as open to inspection under Sect. 91 (3) (a) refers also to other alloys of copper. This subject-matter does not appear in the Specification as accepted.
Patent GB-660717-A (GB)
Title: Improvements in or relating to electrical transformers for time base circuits
Inventor: MONTGOMERY WILLIAM ALAN
IPC: H01F30/16
Filed: 1949-05-18
Abstract: 660,717. Transformers. KOLSTER. BRANDES,Ltd. May 12, 1950 [May 18, 1949], No. 13262/49. Class 38 (ii). An autotransformer for use in time-base circuits of television receivers has a magnetic duct core providing an uninterrupted closed magnetic path having low loss characteristics, the windings of the transformer being comprised of at least two sections distributed over substantially differing lengths of the core but which sections have approximately equal natural periods of electrical oscillations. The toroidal dust core 2 has on it windings comprising two sections 3, 4, the section 3 having a winding 5 which occupies approximately 260 degrees of the core length and forms one secondary winding of the transformer. A further winding 6 having a larger number of turns than winding 5 is then wound over the winding 5 in such a manner as not to introduce undue self-capacity therebetween (50 p.f. mentioned). The winding 6 is arranged to form the primary winding and the two windings are connected as at 7 to function as an autotransformer. Section 4 of the windings comprises two coils 11, 12 wound on formers 14, 15 respectively, in such a manner as to occupy much less of the core length than do windings 5, 6, the windings 11, 12 being fixed at positions on the core not occupied by the section 3 so that the natural period of oscillation of the section 4 is equal to that of the section 3. The windings may all be connected in series so that the primary 6 is connected in the output circuit of the time-base amplifier, the secondary 5 in the deflection circuit, and which winding may be provided with tappings to control the amplitude of the scan, and the windings 11, 12 may be connected to a rectifier valve to supply the E.H.T. for the cathode-ray tube. In this latter case a further winding 24 may be provided on the transformer for the heater supply of the rectifier valve.
Patent GB-720324-A (GB)
Title: Improvements in or relating to a process for bonding rubber to rubber
IPC: C08J5/12
Filed: 1953-05-08
Abstract: A pair of rubber surfaces is united by first cleaning the surfaces with a rubber solvent, interposing a sheet of unvulcanized rubber composition comprising rubber, a vulcanizing agent and an ultra accelerator, and applying heat and pressure to the assembly for a time sufficient to vulcanize the rubber and unite the surfaces.  In an example, the rubber surfaces to be joined are wiped with trichloroethylene, and then a sheet of unvulcanized rubber of the same composition but containing 4 per cent. by weight of a dithiocarbamate is interposed, the whole is heated to 300 DEG F for 4 minutes to complete vulcanization.