baber/WOPTO huggingface dataset:
Patent GB-1422006-A (GB)
Title: Rotary switching assemblies
IPC: H01C10/36
Filed: 1973-04-02
Abstract: 1422006 Variable resistors; mechanical switches MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 2 April 1973 [4 April 1972 (3) 6 Nov 1972] 15732/73 Headings HIS and H1N [Also in Division H3] A switch assembly comprises a push-pull switch 24, operated by axial movement of a shaft 1, and a rotary variable resistor 47 and a further switch 52 which are operated by rotation of the shaft 1, a device 35 being provided to ensure that switch 52 cannot be open unless switch 24 is in its open position. Upon pulling shaft 1 an insulating member 9 is urged by U-shaped springs 15 so that contacts 13 on a contact member 11 are engaged with a snapaction with respective contacts 20 of switch terminals (18, Fig. 6, not shown). Similarly contacts (14) of switch 24 are electrically connected to further terminals (19). Rotation of the shaft 1 rotates the wiper 46 of the rotary resistor 47, this rotation being limited by a projection 34 or a stop member 33 engaging a side surface of a projection 32 on a fixed insulating base 28. Upon pushing of the shaft 1, the connections in switch 24 are broken and projection 34 is moved clear of projection 32 so that further rotation of the shaft is possible and a projection 50 on the wiper holder 45 can depress an actuator 49 to open switch 52. When this switch is open, shaft 1 cannot be moved axially due to projection 34 engaging the top surface of projection 32. To assist relative axial displacement of the projections 32 and 34, they may be provided with sloping surfaces (32a, 34a, Figs. 10, 11, not shown). A support 25, a plate 27, the base 28 and a cover 29 of the device 35 may be replaced by an integral connecting member (101, Fig. 13, not shown). In a second embodiment (not shown) the switch 52 may only be opened when the shaft 1 is pulled. The switch may be used in the preheater circuit (Fig. 1, not shown) of a television receiver.
Patent GB-956730-A (GB)
Title: Improvements in process for coating iron alloys
IPC: C23C18/54
Filed: 1962-04-25
Abstract: Surfaces of iron alloys, especially iron-silicon alloys of the grain-orientated magnetic type, are coated with magnesium hydroxide by immersing the iron surface and a magnesium metal member connected together electrically, in an aqueous solution of a magnesium salt, e.g. acetate, nitrate, chloride, or sulphate. The coating on grain-orientated silicon steels acts as an insulator.  The electrolysis is effected at 25-80  DEG C. by self-excitation.
Patent GB-1391763-A (GB)
Title: Manufacture of concrete pipes
IPC: B28B21/24
Filed: 1973-04-03
Abstract: 1391763 Rotationally moulding pipes ROCLA CONCRETE PIPES Ltd 3 April 1973 [5 April 1972] 15910/73 Heading B5A A roller 12 (Fig. 2) supports and rotates on rings 14 a mould 11 while concrete is added to form a pipe 32 until the concrete layer is thick enough to disengage the roller and rings. After the rotating roller 12 has compacted the concrete layer, a scraper 33 removes concrete from the inner periphery of the pipe 32 until the roller and rings re-engage. Scraper action and roller rotation are stopped, and the mould 11 and pipe 32 removed. The roller 12 is supported by a fixed and a hinged gate 18, 21, and is rotated by a belt drive 28. The scraper 33 comprises a square-section tube 34 (Fig. 5) supporting tynes 30 and shield 59. The scraper is carried toward and away from the pipe by trolleys 35, 36 (Fig. 2) engaging rails 37, 38 (see Division B7) (or by linkages, not shown), and when inoperative, is supported by trolley 36 only and a cantilever 61 applied by a downwardly acting screw (66) and latch (68) (see Figs. 8-10, not reproduced). Scraping pressure is increased by manual pressure on handles 58 (Fig. 2), or by cylinders, levers or gears.
Patent GB-327054-A (GB)
Title: Improved container or holder for sticks of shaving soap and cosmetics
IPC: A45D40/00
Filed: 1929-05-23
Abstract: 327,054. Pears, H. W. K. May 23, 1929. Fittings, internal; contents, delivering.-A container for shaving soap, lip stick, cosmetique and other toilet preparations comprises a body E of glass, celluloid, "Celastoid," "Nacrolaque" or synthetic resins of cylindrical internal shape and with rigid internal projections A, Fig. 2, or B, Fig. 5, which furnish resistance to the passage of the soap &c. C. The soap &c. is caused to project by pressing on a disc D and the container serves as a holder while the soap &c. is being applied. The projections may be in the form of small raised areas, curved or angular in cross-section, or may take the form of rings, spirals or ribs like the rifling of a rifle barrel.
Patent GB-218093-A (GB)
Title: Improvements relating to arched roofs
IPC: E04B7/10
Filed: 1923-06-20
Abstract: 218,093. Debongnie, E. June 20, 1923. Roofs; sheet-metal roofing.-Arched roofs consist of corrugated metal sheets A, Fig. 1, rigidly connected to girder members C which form a curved continuation of the arch or are tangential to it, and support purlins and the lower portion of the covering material. Roof-lights E, Fig. 4, may be fitted above the girder members or over the centre of the arch; the frames for the lights E may form part of the arch, the whole roof being supported on walls, columns, or braced structures. Fig. 8 shows a multiple-span roof consisting of asymmetrical corrugated metal sheets N and frames R supporting glass panels E. The frame members may be made of iron, wood, ferroconcrete, or other material.
Patent GB-1319726-A (GB)
Title: Compartmented tray and mould for the production of the tray
IPC: B65D71/70
Filed: 1971-05-20
Abstract: 1319726 Forming trays A DE CAZENOVE 20 May 1971 [28 May 9170] 16068/71 Heading B5A [Also in Division B8] A mould, Fig. 6, for producing trays 1 of the kind shown in Figs. 1, 2 comprises upper and lower heated parts 16, 17 with complementary projections and recesses 18, 19 passages 20 and holes 21 being formed respectively between certain portions corresponding to the compartments 2. To provide a solid portion between two adjacent compartments 2 of a tray a closure element 34 is inserted into a corresponding passage 20 and fixed to the upper part 16, an opening between two neighbouring compartments 2 being formed by a separating element 35 which is detachably secured in a hole 21 in the lower part 17 directly below a corresponding passage 20. Similar kinds of moulds Figs. 8, 12, not shown, are described for producing trays according to the modifications of Figs. 3 and 4, 5, not shown.
Patent GB-110945-A (GB)
Title: An Improved Process for Treating Cereals, Pulses or other Grain for Edible Purposes.
IPC: B02B1/04
Filed: 1916-11-09
Abstract: 110,945. Rees, T. W., and Eastern Flour Co. Nov. 9, 1916. Processes of treating grain; conditioning grain; hulling. husking, and decorticating.-To modify the flavour, cereals and pulses or other grain in the natural state with the skins or husks on, are sprayed or soaked in an alkali of suitable strength and allowed to stand until the moisture is sufficiently absorbed, after which they are sprayed or immersed in a suitable acid, other than sulphurous acid, and then subjected to a heated drying process. When cold, the husks or skins will readily leave the kernel, which is converted into flour. Bi-carbonate of soda is mentioned as a suitable alkali, and sulphuric or tartaric acid as a suitable acid.
Patent GB-497022-A (GB)
Title: Manufacture of derivatives of cyclopentano-polyhydrophenanthrene
IPC: A61M11/04
Filed: 1937-06-10
Abstract: Unsaturated derivatives of the cyclopentanopolyhydro-phenanthrene are prepared by replacing, by the Curtius or Hoffmann degradation, the carboxyl group in a saturated acid of the general formula <FORM:0497022/IV/1> where R stands for a -COOH or a <FORM:0497022/IV/2> group, by the amino group, oxidizing the 3-hydroxyl group to the keto group during or after the degradation process, and subsequently treating with a halogenating agent, converting the amine into the corresponding alcohol or ketone, and splitting off hydrogen halide either directly after the halogenation or at any subsequent stage in the process.  In examples: (1) acetyl-bisnorlithocholic acid is converted into its acid chloride by thionyl chloride and then degraded by the process described in Specification 465,960 through the azide and isocyanate to the corresponding amine.  A glacial acetic acid solution of this amine is then oxidized by chromic oxide to 3-oxo-ternorcholanyl amine, brominated, and hydrogen bromide withdrawn with silver acetate. The unsaturated oxo-amine is then further treated according to the process described in Specification 465,960 to give progesterone. If the brominated oxo-amine above is treated under reflux with alcoholic alkali, there is obtained 3-oxo-4-hydroxy-ternorcholanylamine; (2) 3-acetoxyaetiocholanyl carboxylic acid-(19) is transformed via the corresponding chloride into the amine as described in Specification 492,729.  The amine acetate is then oxidized in glacial acetic acid solution with chromic oxide to 3-oxo-aetiocholanylamine which is brominated and then treated with sodium nitrite and acetic acid. Debromination of the product with silver acetate in glacial acetic acid yields the acyl-testosterone.  Specification 481,028 also is referred to.
Patent GB-1305053-A (GB)
IPC: G03G17/08
Filed: 1970-04-06
Abstract: 1305053 Electro-photography XEROX CORP 6 April 1970 [9 April 1969] 16142/70 Heading G2H In the fracture of a cohesively weak imagewise exposed electro-photosensitive layer by opening up in an electric field a sandwich comprising said layer between donor and receiver sheets, charging to produce the field is effected in a plurality of stages. The stage-wise charging may be effected by a pair of roller electrodes,  or a corona discharge device, before or after image-wise exposure. The donor sheet may be stage-wise charged before formation of the sandwich. Materials for the sensitive layer are specified. As shown, a sandwich comprising a sensitive layer 203 between polyethylene terephthalate donor and receiver sheets 207 and 209 is passed between two successive pairs of roller electrodes 211-211a and 213-213a before imagewise exposure at 221 and fracture of the imaging layer.
Patent GB-1381512-A (GB)
Title: Corrosion resistant lead alloys
IPC: C22C32/00
Filed: 1972-04-07
Abstract: 1381512 Making lead alloys PREUSSAG AG-METALL 7 April 1972 [8 April 1971]  16197/72 Heading C7D A dispersion hardened lead alloy, which is resistant to selective corrosion, is produced by treating a lead melt with a corrosive substance (e.g. a gas) to form a corrosion product (e.g. oxide, nitride, fluoride, chloride, bromide or iodide) with a hardener element (e.g. Ba, Ca, K, Ti, Al, Zn, Tl, Ge, Sn, Cd, Bi or Sb) included in the melt, holding the corrosion product in suspension and allowing the melt to set solid.
Patent GB-181388-A (GB)
Title: Process for the production of basic magnesium carbonate
IPC: C01F5/24
Filed: 1922-06-12
Abstract: Basic magnesium carbonate is obtained by emulsifying the normal carbonate with water at 40-50 DEG  C. in a homogenizing apparatus having at least one turbine wheel such as the apparatus illustrated in Specification 143,775, [Class 86, Mixing &c.].  A product of the composition 4MgO.3CO24H2O is obtained. The normal carbonate may be obtained by mixing solutions of magnesium chloride and ammonium carbonate in an apparatus of the kind mentioned above, a product of the composition MgCO3.3H2O being thus obtained.
Patent GB-642126-A (GB)
Title: Improvements in aeroplane and like propellers
IPC: B64C11/00
Filed: 1947-06-20
Abstract: 642,126. Screw propellers. ALEXANDRE, M. June 20,1947, No. 16357. Convention date, July 26, 1946. [Class 114] In an aeroplane or like propeller comprising a plurality of helical blades 1 secured at one end to a hub, narrow helical plates 5 are supported at their ends by two consecutive blades 1, each plate 5 starting from one side of one blade 1 and extending in a curve to the opposite side of the next blade 1. The plates 5 are secured to the ends of cylindrical cross-pieces 3 in the middle of which are bearings 4 which support the tips of the blades 1.
Patent GB-236544-A (GB)
Filed: 1925-06-25
Abstract: 236,544. Buchter, J. July 3, 1924, [Convention date]. Selective perforating-machines.-A machine for perforating statistical cards, of the type in which the punch-elements are selectively set from a keyboard, and the holes are punched simultaneously, has a traversing keyboard with a smaller number of rows of keys than there are rows of punches, the whole series of punch-elements being set in zones consecutively. Punches 3 guided in plates 1, 2 are blocked by setting levers 8 to perforate a card K on a die plate 4 raised by cams 6 on a shaft 5. A keyboard 21 slides on rails 13, 14 under the action of a spring and escapement mechanism 40 and carries keys 20 actuating through push-bowdens 18 the setting- levers 8. The latter are notched and held in depressed position by locking-plates 9. After a zone of punch-elements is set, depression of a shift-key 25 rotates a boss 27, with tappet 28, splined to a shaft 29 carrying a tappet 31 set at an angle to the tappet 28, to remove the latter from an adjustable stop 23 and allow the carriage to be moved until the tappet 31 engages a second stop 23. On release of the key 25 the carriage reaches its position over the next zone of setting levers. A buffer-spring 30 is mounted on the shaft 29 to check data set on the keyboard, the wires 32 within the push bowdens 18 terminate in locking-cones 35, engaged by locking-bars 36 to hold actuated keys in depressed position. The cones 35 are freed by the actuation of the shiftkey 25.
Patent GB-1529162-A (GB)
Title: Solid state on-delay timer
IPC: H03K17/292
Filed: 1977-04-20
Abstract: 1529162 On-delay timer CUTLER-HAMMER WORLD TRADE Inc 20 April 1977 [10 June 1976] 16464/77 Heading H3T [Also in Division H2] A solid-state on-delay timer is supplied by AC on two lines 20,22 and via a rectifier D2, D 1 derives a DC supply which uses one AC line 20 as common and has another line 24. A timer is connected between common and D.C. and is controlled by a circuit connected to all three lines, itself controlled by a switch SW, the timer when operated controls conduction of a thyristor circuit Q7 connected in series with a pair of load terminals between the two A.C. lines to energize a load, if present. With switch SW open, current flows from L2 via R1, R5, R6, Q5 and C3 to L1, and charges R4. Meanwhile D.C. flows through R3 and Q3, acting as a Zener, to bias Q1, Q2 off. The peaks of the A.C. current turn these transistors on thereby discharging C5 and C6. When the transistors are off, these capacitors charge but with a time constant long enough for the voltage rise between discharges to be of no effect. When switch SW is closed, the A.C. current no longer passes through R4 in particular and the transistors Q1, Q2 are held off allowing C5, C6 to charge until a dual threshold device Q6 is operated to fire the triac Q7. The gate current of the triac partly flows through the LED which lights as an indication that firing has been initiated. Reopening SW causes discharge of the capacitors within one mains period, removing the trigger from Q7 which turns off at the next zero point. The resistances associated with the switch can be chosen to permit correct operation with "leaky" switches. The delay can be set by P1 or a remote potentiomenter RP.
Patent GB-1039150-A (GB)
Title: Carboxyl-terminated polymers
IPC: C08F136/06
Filed: 1965-04-20
Abstract: 1,039,150. Carboxyl - terminated polybutadiene. B. F. GOODRICH CO. April 20, 1965 [April 17, 1964], No, 16470/65. Heading C3P. Difunctional carboxyl-terminated polybutadiene or butadiene-acrylonitrile is prepared by polymerizing butadiene alone or with acrylonitrile in the presence of an aliphatic azodicarboxylate of formula where n is an integer from 1 to 6 and R is an alkyl group containing from 1 to 3 carbon atoms in tertiary butanol as solvent. Specified azodicarboxylates are azodicyanobutyric, azodicyanovaleric, azodicyanopelargonic and azodicyanodecylic acids, and these may, be added continuously as the polymerization proceeds. The polymerization may be stopped at e.g. 75% use of catalyst and the polymer precipitated with methanol. The product may be liquid and may be cured, e.g. with an epoxy resin or an aziridinyl phosphine oxide.
Patent GB-297697-A (GB)
Title: Improvements in ending-on and corner-staying machines used in box-making, and similar machine presses
IPC: F16P3/04
Filed: 1927-06-21
Abstract: 297,697. Ritchie, M. C. June 21, 1927. Machines for mak ing boxes.-Relates to ending-on, corner staying, or like machine presses used in box - making. Ac. cording to the invention a machine having a treadlelever starting system is characterized by a collar or other stop e on the rod f operated by the treadlelever g, and a safetycatch a which can be moved into the path of the collar e to prevent accidental operation of the lever g. The catch a is mounted on a slidable bar c controlled by a handle d, which is locked by a spring-controlled detent h<1>. Suitable stops are provided for limiting the movement of the bar c. In the safety position the bar c projects beyond the front of the machine, as shown in Fig. 1 and is immediately noticeable.
Patent GB-574520-A (GB)
Title: Improvements in or relating to means for supporting a cradle or the like from the coping of a building
IPC: E04G3/34
Filed: 1943-10-08
Abstract: 574,520. Coping-carriages for staging, HOGG, T. Oct. 8, 1943, No. 16495. [Class 20 (ii)] A carriage for supporting a cradle and adapted to travel along the coping of a building has the wheels spring-mounted so that each wheel makes load-carrying contact with the coping. The carriage comprises a frame 10 having spring- mounted axles 11, 12 for the wheels 13 and bearings for a beam 15 which has a hoist for the cradle at one end and a counterweight at the other, the hoist for the cradle, and the counterweight being on opposite sides of the coping. The beam may be in two overlapping parts which are relatively slidable by right and left hand screw gear to vary the distance between cradle hoist and counterweight, the pitches of the right and left hand portions of the screws being such that the ratio of the overhanging portions of the beam remains constant. In a modification, a beam of constant length' is used, brackets carrying the cradle-hoist and counterweight being similarly adjustable along the beam by right and left hand screw gear. The apparatus is traversed by a chain &c. operated from the cradle and driving one of the axles. e.g., by worm gearing. According to a modification one of the axles need not be spring supported.
Patent GB-596689-A (GB)
Title: Improvements in and relating to windows and particularly windows of the casement type
IPC: E05D15/28
Filed: 1945-06-28
Abstract: 596,689. Reversible casement windows. MURRAY, W. C, June 28, 1945, No. 16520. [Class 20(iii)] A casement window in which the glazed frame 2 is pivoted 3 on each of two opposite sides 4 of a U-shaped element, so as to move through substantially 180 degrees, and in which the intermediate portion 5 of this element is pivoted at 6 to the fixed frame 1, has a hinged latch 8 accessible from inside the glazed frame for releasably locking the glazed frame to the U-shaped element so that when desired they may be turned together about the pivots 6 on the fixed frame. As shown, a bracket 7 fixed to the U-shaped element has a pivoted latch 8 which passes through an aperture 9 in the glazed frame and engages therewith. The invention may be applied to either vertically or horizontally pivoting windows.
Patent GB-291747-A (GB)
Title: Improvements in trigger mechanisms for automatic pistols
IPC: F41A17/36
Filed: 1928-06-07
Abstract: 291,747. Ceskß Zbrojovka Akciova Spolecnost v. Praze. June 7, 1927, [Convention date]. Breech actions, sliding breech-block.-Relates to automatic pistols in which the hammer is cocked by the initial part of the pull of the trigger. According to the invention, a bar 4 connected to the trigger 1 and pressed up by a spring 3 is provided with two notches a, b, and the hammer 5, which is pivoted at 6, has a finger e adapted to engage with either the notch a or the notch b. Normally, the finger e is in the notch a, and a pull on the trigger 1, which is pivoted at 2, cocks the hammer until the bar 4 is deflected sufficiently downwards by ramps f, g, one on the bar and the other fixed, to make the notch a release the finger e, when the released hammer strikes the usual firing pin. When the hammer is cocked by hand before the trigger is pulled, the finger c is made to engage the notch b. The bar 4 is locked by the engagement of a catch 7 with either of two notches c, d in the bar, when the magazine is removed and releases the catch.
Patent GB-1354962-A (GB)
Title: Cargo handling apparatus
IPC: B65G67/00
Filed: 1971-05-24
Abstract: 1354962 Platform elevators FMC CORP 24 May 1971 [22 June 1970] 16653/71 Heading B8H An aircraft is loaded and unloaded by means of self-propelled cargo handling apparatus 15 which comprises a bridge 40 which is elevatable to the position shown in Fig. 3 by means of a platform 19 mounted for vertical movement by means of a scissors lift mechanism 34, 35 operable by means of rams 36 (only one shown), these being a bridge support member for supporting the forward edge of the bridge 40 in use and comprising two identical parallel support arms 83 (only one shown in Fig. 8) which are located in brackets 95 and retainers 91 on the bottom of the bridge 40 for movement relative to the bridge 40 along the longitudinal axis thereof, said arms 83 having a hook assembly 75 comprising a hook member 79 at each end thereof located on the forward end thereof for engagement with two positioning pins 76 located adjacent the sill of an aircraft. In use, the platform 19 and bridge 40 are elevated to a position adjacent the aircraft sill and the operator steps from his control cab (110), Fig. 1 (not shown), which is mounted alongside the platform 19 for movement therewith, on to the bridge 40 and by manipulation of a lift rod 105 mounted on each arm 83 the hook members 79 are positioned over the associated pins 76. The scissors lift mechanism 34, 35 is then lowered to lower the platform 19 and the operator then actuates a scissors lift (21), Fig. 5 (not shown), to raise a rear deck 20 mounted on the apparatus 15, said deck 20 having a lip 120 on the forward edge thereof which engages with the underside of a bar 54 on the bridge 40 thus lifting the rear of the bridge 40 away from the platform 19. The bridge 40 is thus supported by means of the hook assembly 75 and aircraft at one end thereof and by means of the elevated deck 20 at the other end thereof. A container C which is initially mounted on the deck 20 is then transported along the deck 20 by means of driven conveyer belts (29), Fig. 1 (not shown), located on said deck on to a plurality of endless belts (57), Fig. 11 (not shown), located on the bridge 40 for movement along said bridge into the aircraft. The bars (65), Fig. 6 (not shown), 66 pivotally interconnect the platform 19 and bridge 40 and prevent longitudinal movement of the bridge 40 relative to the platform 19 when containers are being moved on to or off the bridge 40. In use of the apparatus with an aircraft, should wind gusts cause the sill of the aircraft to be raised and lowered the bridge together with the bridge support member will pivot about the horizontal axis defined by the bar 54 at the underside of the bridge 40, while movement of the aircraft sill towards and away from the bridge 40 causes the bridge support member to move relative to the bridge 40 while the hook assembly 75 remains in engagement with the positioning pins 76. The bridge 40 is made up of a plurality of longitudinal beams permits a twisting action of the bridge about its longitudinal axis should the aircraft, during loading or unloading, settle in a fore-and-aft direction.