baber/WOPTO huggingface dataset:
Patent GB-1262660-A (GB)
Title: Apparatus for and methods of recovering minerals and/or mineral-bearing material from an underwater ore bed
Inventor: WANZENBERG FREDERICK WHEELOCK
IPC: E02F3/88
Filed: 1969-01-23
Abstract: 1,262,660. Comminuting. F. W. WANZENBERG and F. W. WANZENBERG. 23 Jan., 1969, No. 3965/69. Heading B2A. [Also in Divisions C7, E1 and H2] In apparatus for recovering minerals from an underwater ore bed (see Division E1), comprising a box providing a chamber having an open bottom face and supplied with solvents and or reagents to dissolve or react with material in the ore bed, the box is adapted to be pulled along the ocean floor and has a wide mesh screen 73 which passes ore via a hinged apron 74 to the chamber in which are disposed a pair of differentially driven crushing-grinding belts 77, 78 fed by a scraper 76 and delivering to a suction pump 85 and a cyclone 86 for transmission of the material to an electrolysing system at the surface.
Patent GB-1450744-A (GB)
Title: Magnetic tape cassettes
IPC: G11B15/675
Filed: 1974-01-29
Abstract: 1450744 Tape cassette SONY CORP 29 Jan 1974 [1 Feb 1973 25 Sept 1973] 04047/74 Headings B8M and B8B To prevent inadvertant unwinding of tape, a cassette T is provided with a pivotable lid 12, Fig. 9, for covering or exposing a tape opening in the edge of the cassette, and means, e.g. 28, 78, Fig. 13, responsive to the position of the lid for preventing rotation of the tape reel(s) when the lid is closed and permitting rotation when it is open. The lid is pivoted on pins 28, 28<SP>1</SP> extending through apertures in the cassette walls and provided with lateral extensions which engage end portions 82, 82<SP>1</SP> of detent levers 77, 77<SP>1</SP> to move projections 79, 79<SP>1</SP> on the levers out of engagement with projections 76, 76<SP>1</SP> on reels 2 and 3 respectively against the bias of springs 80, 80<SP>1</SP>, thereby to free the reels for rotation. The lid is itself biased into the closed position by coil spring 84. A latching device (Fig. 3, not shown) is provided on the interior of the cassette to retain the lid in the closed position. On insertion of the cassette into a suitable loading mechanism (Fig. 7, not shown) for use in connection with a magnetic tape recording and/or reproducing apparatus (not shown) suitable abutment members are provided on the holder to release the lid retaining latch through corresponding apertures in the cassette walls and lid as the cassette is pushed into the holder, and simultaneously to force the lid open against the bias of the spring 74 as the cassette in place in the holder is moved downwardly into its operative position engaging with drive shafts, &c. of the apparatus. In an alternative embodiment, Fig. 18 (not shown), the detent levers are provided with brake shoes (92) engaging a smooth surface on the reel periphery. The cassette may be adapted for lateral or forward insertion into apparatus.
Patent GB-1135379-A (GB)
Title: Improvements in or relating to teletypewriters
IPC: B41J7/62
Filed: 1967-01-27
Abstract: 1,135,379. Selective printers. SIEMENS A.G. 27 Jan., 1967 [28 Jan., 1966], No. 4105/67. Addition to 1,027,764. Heading B6F. A telex printer as described in the parent Specification 1,027,764 is modified in that each of the two multi-stage epicyclic summation gear trains used for axial and rotary character selection, respectively, is replaced by a two-stage epicyclic gear train and each stage in the train, comprises an input sun-wheel, a pair of planet wheels mounted on a common shaft in a bracket associated with the stage and an output sunwheel, the latter in the first stage also constituting the input sun-wheel of the second stage. In operation axial displacement of the type carrier (not shown) is effected by rotation of the shaft associated with the gear 16 which meshes with the output sun-wheel 13 of the second stage comprising an input sun-wheel 12, pair of planetwheels 10, 11 mounted in bracket 15, the sunwheels 12, 13 as well as the input sun-wheel 7 of the first stage being mounted loosely in a common shaft 17. Each sun-wheel is associated with a setting-rod 6 connected to an extension 18 and a cam 4 on a driven shaft 3 which when driven through one revolution by a three-gear eccentric gear 2 through a uniformly-rotating shaft 1 displaces the epicyclic gear stages in accordance with the position of setting elements, The displacement of the epicyclic gear train effects corresponding angular displacement of the shaft mounting the gear 16.
Patent GB-1056357-A (GB)
Title: Electrochemical treatment of metal surfaces to form a protective coating of hydrated chromium oxide thereon
IPC: C25D11/38
Filed: 1963-10-17
Abstract: 1,056,357. Coating with chromium compounds, electrolytically. TOYO KOHAN CO. Ltd. Oct. 17, 1963 [Nov. 10, 1962], No. 41096/63. Heading C7B. A protective coating of hydrated chromium oxide is formed on a metal surface (e. g. of Fe, steel, Al or Al alloys) by electrolysis using the metal to be coated as cathode in an aqueous solution containing 40-100 g/1 of chromic acid and a water-soluble organic hydroxy compound, wherein chromium ion present is C 2  3 not more than 2À5 g/1, and C 2 6 20-150 parts by weight of Cr3,the solution also containing 0À1 -0À5 g/1 of H 2  SO 4 . The solution may also contain small amounts of fluorides, acidic fluorides, fluosilicates and fluoborates. Specified electrolysing conditions are a temperature of 40-70‹C., a current density of not less than 12À5 A/sq. dm. (e. g. 12À5-40 A/sq. dm.) and a time for treatment of 1-20 seconds. Prior to treatment the metal may be cleaned with alkalis, and acids and after treatment may be given a paint, varnish, lacquer or other organic finish e. g. a melamine coating (Example 1). Specified hydroxy compounds are methyl -, ethyl- and propyl alcohol; monoethanolamine, polyalcohols, such as ethylene glycol, propylene glycol, glycerol, di- and triethanolamine, pentaerythritol, sorbitol and mannitol, phenol, and phenol sulphonic acids such as phenol-2, 4-disulphonic acid, catechol-3 5-disulphonic acid, phenol-2, 4, 6, -trisulphonic acid, 2-naphthol-3, 6-disulphonic acid and 1, 8- dihydroxynaphthalene-3, 6-disulphonic acid. In cases where phenol sulphonic acids are employed it is not necessary to further add H 2 SO 4 , so far as the required concentration of H 2 SO 4  is obtained from the phenol sulphonic acids. Specified fluorine compounds are HF, NaF, KF, (NH 4 )F, NaHF 2 , KHF 2 , (NH 4 )HF 2 , H 2 SiF 6 , Na 2 SiF 6 , K 2 SiF 6 , (NH 4 ) 2  SiF 6 , HBF 4 , NaBF 4 , KBF 4  and (NH 4 ) 2  BF 4 . Examples 1-4, 6-8 and 10 relate to treating steel and Examples 5 and 9 relate to treating Al. Anodes used are lead, or alloys thereof with Ag, Sn, or Sb. The coatings are flexible and the coated sheet may be deep drawn without fracture.
Patent GB-1212791-A (GB)
Title: Improvements in or relating to building constructions
Inventor: FURTER OSKAR
IPC: E04H1/04
Filed: 1968-01-26
Abstract: 1,212,791. Prefabricated room units. O. FURTER and A. HENOGELER. 26 Jan., 1968 [1 Feb., 1967], No. 4117/68. Heading E1A. In a prefabricated room unit consisting of floor and roof panels 1, 3 interconnected by corner uprights 2 the latter are secured to the panels 1, 3 by a bolted, fork and tongue connection and the panel 1 is of grid construction. The panels 1, 3 are made of metal or concrete and suitably apertured for the passage of service conduits and pretensioning cables, see Fig. 18 (not shown). A series of room units may be interconnected on a grid module to form a multi-storey building or even a city in which case they are secured to concrete pillars with the uprights 2, if desired, removed. The numerous minor details concerning sealing of joints, insulation, materials employed, method of erection, layouts and mathematical disiderata the Specification and remaining drawings (not shown), should be referred to.
Patent GB-998096-A (GB)
Title: A highly sensitive electromagnet and armature unit
IPC: H01F7/122
Filed: 1962-02-02
Abstract: 998,096. Electromagnetic relays. R. MOSER, and J. MOREL. Feb. 2, 1962 [Feb. 6, 1961], No. 4118/62. Heading H2B. A polarized relay has most of the permanent magnet flux shunted away from the part of the magnetic circuit which includes the armature. As shown in Figs. 1 and 4, the permanent magnet 1 is shunted by an annular member 2 having polepieces 3 co-operating with an armature 5. The value of the current in the coils 4 which will allow a biasing spring 5 to move the armature away from the polepieces 3 is set by rotation of the magnet which engages the annular face 7 of the shunt 2. The force will vary as the cosine of the angle α between the magnet axis and the line through the poles 3. In Fig. 8, the armature 5 is mounted on a slidable shaft 16 and the magnetic bias is also influenced by a second shunt 19 adjustable toward and away from the magnet 1 by a screwed box 18. In Fig. 9 (not shown), the setting is controlled by a second shunt movable to vary its area of engagement with the electromagnet.
Patent GB-1376746-A (GB)
Title: Fluid flow distribution apparatus
IPC: F23K5/06
Filed: 1971-02-08
Abstract: 1376746 Gas turbine fuel control systems DOWTY FUEL SYSTEMS Ltd 26 Jan 1972 [8 Feb 1971] 4158/71 Heading F1G [Also in Division G3] An apparatus for distributing fuel to vapourizing tubes 51, 52 leading to the combustion chambers of a gas turbine engine comprises a main inlet 41 having a branch 42 connected to a primary manifold 43 having a series of branches 48 each leading tangentially into a vortex chamber 47 with opposed axial outlets connected to respective tubes 51, 52. As the fuel flow-rate increases a spring-loaded check valve 45 opens to direct a proportion of the fuel from main inlet 41 via a branch 44 to a secondary manifold 46 having a series of branches 49 each opening adjacent the periphery of a respective vortex chamber 47 parallel to the axis thereof, or slightly inclined to give a degree of swirl.
Patent GB-564119-A (GB)
Title: Improvements in or relating to automatic steering gear
IPC: G05D1/02
Filed: 1943-03-16
Abstract: 564,119. Automatic control systems for ships, aircraft, &c. GALE, F. W. J., and BROWN, Ltd., S. G. March 16, 1943, No. 4250. [Class 38 (iv)] Steering.-In a system in which a rudder or other steering unit operates in response to the action of a direction-sensitive switch 15, controlled by a compass repeater 25, 26, in order to ensure adequate movement of the rudder or the like a switch 31 having a twice-delayed closure is inserted in the circuit between an impulse transmitter 29 associated with the rudder power unit 1 and the step-by-step motor 28 actuating the follow-up on the directionsensitive switch. The delay action switch may comprise a disc with arcuate contacts 36 connected to each of the transmitter leads and fixed insulating arms 37, each carrying a set of contacts 38 connected with the step-by-step motor leads. The disc is operated by an auxiliary step-by-step motor 34 connected to the transmitter 29 so that the motor is not operated until contacts 38 and 40 engage. The distance between the arms 37 is adjustable to determine the time delay. In a modification, the disc carries two sets of contacts brought alternatively into abutting engagement with contacts 38, the disc being driven through a slipping clutch.
Patent GB-739933-A (GB)
Title: Improved elevator of the paternoster type
IPC: B66B9/10
Filed: 1954-02-12
Abstract: 739,933. Endless conveyers. MOERCK, M., [trading as KEHRHAHN, F.]. Feb. 12, 1954 [Feb. 14, 1953], No. 4265/54. Class 78(1). Guiding rails e and h for cabins k of a paternoster elevator are secured to adjustable supporting members d and members i which are secured to angle bars b mounting the landing gates a. The bars b are connected to the ceilings between the floors by anchors c. The guide rails are connected to the frame supporting the driving mechanism for the sprockets driving the chains m, n to which the cabins are attached. The chains move between bracing bars, whereby in the event of breakage, the chain is maintained substantially vertical between the bars to prevent the cabin falling. The bracing bars may be connected to the gates by members such as d and i. Members attached to the gate just above the centre transverse line extend into the shaft and are secured to the rails e.
Patent GB-536787-A (GB)
Title: Improvements relating to dragline excavators
IPC: E02F3/58
Filed: 1940-03-07
Abstract: 536,787. Excavators. PRIESTMAN BROS., Ltd., and SMITH, J. F. March 7, 1940, No. 4309. [Class 68 (i)] A drag-line excavator comprises a crane carried on a creeper-track vehicle and gear for hauling the scoop and slewing the crane jib, in combination with a boom secured to the turntable on which the jib is mounted and carrying at its end a sheave over which the drag rope passes. In Fig. 1, the jib 18 is hinged to a turntable 22 rotated by wire ropes passing to drums 26 controlled by clutches 28 one of which has a hand brake 30 for locking the turntable; a triangular boom 32 is fixed laterally to the jib and carries a swivelling sheave 34 over which the drag rope 36 passes to the scoop 38. In Fig. 3, the boom comprises two .members 31, 33, pivoted on vertical axes to the turntable 22, member 33 carrying a sleeve 39 adjustably clamped to the member 31 ; the boom is reversible to act at either side of the jib. In another form, the whole of the superstructure is carried by a rotatable cab, the boom comprising a channel section member fixed to the bed plate of the cab behind the axis of rotation of the cab.
Patent GB-808381-A (GB)
Title: Improvements in nuclear reactor fuel element handling plant
Inventor: TAYLOR RICHARD ARTHUR
IPC: G21C19/32
Filed: 1956-02-13
Abstract: 808,381. Handling materials in radioactive environment. BABCOCK & WILCOX Ltd. Feb. 12, 1957 [Feb. 13, 1956], No. 4453/56. Class 39(4). Spent rod-like fuel elements withdrawn by a loading machine 5 through the top 3 of a reactor 1 are conveyed by a biological protection shoot 12 and carriage 72 to the bottom of a pond 60. The shoot has a curved portion 12C to frictionally retard each fuel element so that it would come to rest in the horizontal portion 12D ; however, water jets, Fig. 5 (not shown) in the portion 12D drive the element into a discharge chamber 13 where it is arrested by a horizontally-movable buffer 35 and drops into a recess 26. A plate 27 pivoted at 28 normally closes the bottom of the recess by a counterweight 29 but is moved to the position shown in which a nozzle 31 permits passage of the fuel element into a skip 73 on the carriage 72 when the skip engages a cam 84 on the plate 27. The carriage is traversed on an inclined track 71 by a winch motor 77 and the skip is removed from the carriage when in its lowest position by the lifting tackle 93 of a transporter crane 90. The motor 77 is remotely controlled for lowering the carriage 72 by a control in the control cabin of the loading machine 5 and for raising the carriage by a control in the crane 90. Warning light indicators in the cabins of the loading machine and crane are operated automatically by the passage of the carriage on the track 71 and by the removal of a loaded skip by the crane thereby ensuring that fuel elements are not released into the top of the shoot 12 except when an empty skip 73 is beneath the chamber 13. Further, lights on a mimic diagram of the shoot in the loading machine cabin indicate the passage of each element along the shoot. In the event of breakdown of the carriage 72 or crane 90 the fuel elements may be jettisoned through the end of the chamber 13 by vertically raising an emergency door 40 carrying the buffer 35, the door having a nut member 47 engaged by a threaded rod 45 which is rotated for this purpose. Should an element jam in the shoot it may be dislodged by opening valves controlling further water jets 22. Additional jets 120 acting upwardly in the shoot may provide an increased retardation of the elements.
Patent GB-682310-A (GB)
Title: An improved means for drying the hair
Inventor: BOUDOU JEAN LOUIS ROBERT
IPC: A45D20/44
Filed: 1948-02-16
Abstract: 682,310. Drying air. BOUDOU, J. L. R. March 16, 1949 [Feb. 16, 1948], No. 4543/48. Class 34 (i) [Also in Group VI] In a hair-drying apparatus, air may be forced through air-drying material and past an electric heater to an outlet, or alternatively it may be heated before passing through the drying material, the heated air then regenerating the material. As shown in Fig. 2, a casing 1a contains two chambers 20, 21, of air-dehumidifying material, through which air is forced by a common fan or blower 6 driven by an electric motor. Air heated by heater 23 passes to chamber 20, is further heated by heater 41 and is exhausted to atmosphere, thus drying the material in the chamber. Air passing through chamber 21 is dried by the material therein and then passes over a heater 15a to an outlet pipe 34 and hood 5 or other air distributor. Operation of valves 26, 27, reverses the conditions in the chambers and also switches the heating elements. In modifications, a separate blower may be provided for each chamber and the air may flow downwards through the chamber and up through an annular passage to the outlet pipe. In a further modification only one chamber is provided, regeneration being effected after use for hairdrying. Specifications 357,812, [Group III], 448,359; 641,305, 644,644, [both in Group VI],and 654,977 are referred to.
Patent GB-706334-A (GB)
Title: Arrangements for electric distribution switchboards
IPC: H02B1/36
Filed: 1951-02-26
Abstract: 706,334. Switch cases; switchboards. ETABLISSEMENTS MERLIN & GERIN. Feb. 26,1951 [March 13, 1950], No. 4660/51. Class 38(5) A distribution switchboard is built up from any desired number of units placed side-by-side, the height and depth from front to back of each unit being of a standard size, and each unit being divided into any required number of compartments by horizontal insulating partitions slidable in grooves (not shown). Each compartment contains a circuit-breaker (not shown) mounted on a chassis 6 having rollers 17 running on rails 8 having extensions 18 pivoted thereto, which are normally raised to the vertical position where they are retained by hooks 16, but which can be lowered to the horizontal position. The circuit-breakers can thus be completely removed from the compartments, as shown at the top of the Figure, may be just pushed into the compartment without engaging plugs at the back of the unit, as shown at the middle of the Figure, or may be pushed right home to engage the plugs. The doors of the compartments have slots 2 through which the breaker operating handles 4 extend when the doors are closed, the handles having knobs 3 so that the doors can only be opened when the knobs coincide with enlargments 14 of the slots, i.e. when the respective breaker is " open ".
Patent GB-826538-A (GB)
Title: Improvements in or relating to the adjustment of the tension of the upper thread of sewing machines
IPC: D05B47/00
Filed: 1958-02-13
Abstract: 826,538. Sewing machines. PFAFF A. G., G. M. Feb. 13, 1958 [Feb. 21, 1957], No. 4688/58. Class 112 A disc-type thread-tensioning device comprises a check spring having its threadengaging portion disposed between a tension-regulating knob and a housing, and anarcuate member which has a threadguiding edge and a thread-deflecting edge and is situated radially outwards of said spring portion in the thread-passing gap between said knob and housing. A supporting member 4, Fig. 2, is secured by a grub screw 6 in a housing 2 provided in the machine frame 1, and is formed with a central bore 7. A shaft has a rear portion 13 secured in bore 7 by a grub screw 20, an intermediate portion 12 of reduced diameter, and a screw-threaded front portion 10. A knob 31 is formed with a tapped boss 32 which screws on to portion 10. A sleeve 24, slidably mounted on portion 12, is formed in front with a radial flange 30, and a cylindrical portion 28 projects from flange 30 to enclose boss 32. Thread-tensioning discs 25, 26, 27 are mounted on sleeve 24 between member 4 and flange 30, and plate springs 29 are mounted on portion 28 between flange 30 and knob 31. A sleeve 33, secured by pins 34 to member 4, is connected by an outwardly flaring portion 35 to an arcuate portion 36 disposed in the gap 48 between knob 31 and housing 2 and formed with a threadguiding edge 37 and a thread-deflecting edge 38. A finger 39 projecting from portion 36 co-operates with a lug 40 on the knob to limit the rotation of the latter, and a second finger 41 serves as a pointer for graduations on the knob. A check spring has a spiral portion 45 mounted on sleeve 33 and anchored thereto by an end portion passing through one of a series of holes 44 therein and a thread-engaging portion 46 which passes through a slot 47 in portion 35 and lies under portion 36. Thread passes over portion 46 on its way to the deflecting edge 38. A member 23 bridging the inner end of sleeve 24 is adap- , ted to be engaged by a pin 18, actuated by a plunger 17 when the presser foot is lifted, to separate the tensioning discs. In a modification, Fig. 4, a hollow shaft 108 secured by a screw 120 in a support member 104, journals a pin 132 secured to a knob 131. The tension discs 25, 26, 27 are mounted on pin 132 between shaft 108 and knob 131. The plate springs 29 are mounted on shaft 108 between an abutment 52 carried by the latter and a plate 123 which is slidably mounted in a longitudinal slot 111 formed in shaft 108 and is in screw-threaded engagement with the screwed end 110 of pin 132. Plunger 17 is arranged to engage end 110 for releasing the thread tension.
Patent GB-114466-A (GB)
Title: Improvements in Casting Steel Ingots.
Inventor: REYNOLDS ALLEYNE
IPC: B22D9/00
Filed: 1917-04-02
Abstract: 114,466. Reynolds, A. April 2, 1917. Moulds.-In order to introduce molten metal into ingot moulds slowly without the ladle remaining over each mould for a considerable time, pouring blocks are provided of a capacity comparable with the mould itself. In the case of a small mould a, Fig. 1, the block b has substantially the same capacity as the mould, and it may be provided with a short spout c and nozzle d. A cover f with a vent g and arms e to rest on the mould also are provided. In the case of a large mould, the block b is replenished by means of a covered opening h, as required from the ladle, and is provided with a long spout c which at first projects into the header n of the mould. When the metal has risen above the chill portion, the nozzle is replaced by a smaller one d, and the spout is placed as shown in Fig. 2, and packed by an asbestos ring p. Observation openings k, q may be provided, and the spout may be placed central to prevent foreign matter being carried down it.
Patent GB-636887-A (GB)
Title: Improvements in heating arrangements for rooms and the like
IPC: F24F7/04
Filed: 1947-02-19
Abstract: 636,887. Ventilation. SANDHOLM, H. F. Feb. 19, 1947, No. 4769. [A Specification was laid open to inspection under Sect. 91 of the Acts, April 25, 1948]. [Class 137] [Also in Group XIII] Heating apparatus 6, e.g. an electrical panel heater or hot water radiator, is placed at a distance from a wall surface, shown in the drawing as the rear wall of a recess beneath the indoor sill 4 of a window 5, to form a rear cavity closed at the bottom and sides and divided by a heat-insulating partition 15 to form vertical air ducts, cool air from the room flowing down through the rear duct 8 and up the front heating duct 7 to pass back into the room and form a shield of warm air screening from the room the downdraught of cold air at the window or upper wall surface. The partition 15 may be multiplewalled, i.e. air-insulated, and open at top and bottom for the down-flow of cold air and the heater may form the front wall of an open-topped cabinet. Ventilation. The addition of fresh air, entering by way of a grating 11 and duct 10, to the cold air from the room in the rear duct 8 is controlled by a conical plug 12. The Specification as open to inspection under Sect. 91 comprises also a multiple-walled partition 15 in which the interspaces are supplied with fresh air and have shut-off dampers at the top. This subject-matter does not appear in the Specification. as accepted.