baber/WOPTO huggingface dataset:
Patent GB-959661-A (GB)
Title: A process of preventing darkening and the formation of precipitates in photographic developers
IPC: C07D285/135
Filed: 1961-07-27
Abstract: Compounds of the general formula: <FORM:0959661/C2/1> wherein n is 0 to 6 may be prepared by reacting an acyl dihydrazide with carbon disulphide under alkaline conditions.
Patent GB-677692-A (GB)
Title: Improvements in or relating to magnetic ferrites and the products made therefrom
Inventor: BERG ERNST ALBERS-SCHOEN
IPC: C04B35/26
Filed: 1950-10-06
Abstract: The method of making ferromagnetic oxide products such as cores for inductances and transformers from an intimate mixture of trivalent ferric oxide with oxides of bivalent metals, e.g. copper, cadmium, zinc, manganese, magnesium, nickel, includes a first firing process in which the moulded mixture is fired normally in a kiln to produce a ceramically mature body and a second firing process at a lower temperature in a protective atmosphere, e.g. of oxygen, hydrogen, nitrogen, helium, neon, carbon monoxide, water-vapour.  In one group of examples, each product contains magnesium, manganese, zinc, and nickel, and the second firing takes place in water-vapour while in another example the material contains nickel and zinc and copper is used.  Values of m 0 and Q are quoted for each example.  The bodies may be ground to shape and sorted between the two firing processes, and they may be stacked for economy of space and atmosphere in the second firing process which may be varied to produce different magnetic properties in similar bodies.
Patent GB-1002145-A (GB)
Title: Process and apparatus for carrying out exchange of substances, energy exchange and reactions
IPC: B01J19/18
Filed: 1961-07-06
Abstract: 1,002,145. Washing gases ; distillation apparatus; contacting two or more phases. PETROBAU INGENIEUR G.m.b.H. July 6, 1961 [July 7, 1960], No. 24519/61. Headings B1B, B1F and B1R. [Also in Division F4] In a method of bringing two or more material phases (one of which is a gas and/or at least one of which is a liquid) of different densities into mutual contact for effecting a material exchange and/or energy exchange and/or chemical reaction the relative velocity between the phases is controlled, at least in part, by subjecting the heavier phase or phases to the driving influence of a revolving spiralform body within a tubular container to impart thereto a rotary velocity component about the axis of the spiral body and directed counter to a spiral movement of the lighter phase along the spiral body. Movement of the contacting phases along the tubular container may be cocurrent but is preferably counter-current. Fig. 1 shows an apparatus suitable for steam distillation or gas scrubbing and comprises a container 2 within which is arranged a spiral body 1 driven by driving means 3 and having connected thereto supply conduits 4 and 6 and discharge conduits 5 and 7. The apparatus may be adapted for rectification by connecting a boiler to one end of the container 2. The container 2 may be inclined to the horizontal and the inside wall may be fluted. The pitch of the spiral body may be varied along its length and the spiral body may have rods extending therethrough parallel to the container. The spiral may be interrupted and rods or vanes may be arranged to agitate the contacting materials within the space or spaces so formed. In a further modification the container and the spiral body may be of tapering cross-section. Other applications of the method and apparatus referred to include liquid-liquid and liquidsolid extraction and contacting solids and gases and solids, liquids and gases. In an example of an apparatus suitable for distillation the container 2 had an internal diameter of 200 mm. and a length of 1200 mm. In use the pressure within the container was 1200 atm. and the spiral body was rotated at 640 r.p.m.
Patent GB-1078699-A (GB)
Title: Mechanism for generating the kneading motion in drum kneading machines
IPC: A21C7/00
Filed: 1965-06-10
Abstract: 1,078,699. Drum kneading machine. OTTO FAHR. June 10, 1965 [Sept. 26, 1964], No. 24645/65. Heading B5A. A drum kneading machine comprises a kneading drum 6 and a chamber drum 3, the drums being mounted on bearings 5 and 4, respectively, and being driven in unison about a central shaft 1. Drum 6 is given a circular motion relative to drum 3 so that, as the drums rotate about shaft 1 from a feed to a delivery station, dough lumps carried in chambers 25 of drum 3 are kneaded by areas 26 on drum 6. In order to obtain the relative motion of the drum 6 a bevel gear 8 is mounted upon bearing 4 and is driven by a similar gear 2 mounted upon shaft 1, the shaft being rotated at a greater speed than bearing 4. Mounted upon gear 8 is a disc 10 carrying an eccentrically mounted pin 9 to which is pivoted a lever 12. Seated in a bore 17 at one end of the lever is one journal 20 of an eccentric shaft 22, the other journal 21 of which is located in a bore 11 offset from the centre of drum 6. It can be seen that, upon rotation of shaft 1 a circular motion is given to pin 9, which motion is converted, by lever 12 and shaft 22, to a circular motion of drum 6 in a curved plane.
Patent GB-487471-A (GB)
Title: Improvements in hardening photographic emulsions
IPC: G03C1/30
Filed: 1937-09-10
Abstract: Gelatine is hardened with mucochloric and mucobromic acids and their salts, such as sodium salts or salts with triethanolamine, b -diethylaminoethyl alcohol, and morpholine.  Solutions in water, alkyl alcohols such as ethyl alcohol, and lower esters may be used for incorporation in the gelatine.  Specification 463,427 is referred to.
Patent GB-687739-A (GB)
Title: Apparatus for melt spinning artificial filaments
IPC: B29C48/05
Filed: 1950-10-10
Abstract: <PICT:0687739/IV (a)/1> <PICT:0687739/IV (a)/2> In the melt-spinning of artificial filaments from plastic masses, e.g. polyamides, polyurethanes or their copolymers, the solid material is passed by a heated screw-press 6 to a heated head 9 where it is melted, the molten material then being passed separately to a plurality of metering pumps 16 with associated filters 17 and spinning nozzles 18. The screw-press 6 and melting-head 9 are separately heated by electrical resistances 8 and 10.  A separate casing 13, temperature controlled by a heating fluid, e.g. a silicone, is provided for each metering pump with its associated filter and spinning nozzle.  Inert gas may be supplied to the press through inlet C.  The speed of the press may be adjusted by variable-speed transmission 2.
Patent GB-300742-A (GB)
Title: A new or improved interconvertible tray and toy table
IPC: A47B3/12
Filed: 1927-09-21
Abstract: 300,742. Cohen, A.A., and Randall, J. R. Sept. 21, 1927. Trays.-An interconvertible tray and toy table comprises a tray a provided on its underside with two grooved plates b adjacent its opposite ends, and two sets of supporting legs g of open frame construction adapted to engage within the grooved plates to form a table. Each set of legs, Fig. 3, is formed of metal strip bent to a U- shaped formation and braced by a strut h. The flat head f of each set has outwardly projecting edges m that engage the grooved plates band are formed by the inturning of the edges k of the legs.
Patent GB-1006389-A (GB)
Title: Improvements in or relating to electron optical systems
IPC: H01J37/153
Filed: 1964-06-16
Abstract: 1,006,389. Electric beam focusing apparatus. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. June 16, 1964 [June 19, 1963], No. 24914/64. Heading H1D. An electron-optical system for focusing a hollow, conical electron beam includes two rotationally symmetric coaxial lenses arranged one behind the other, and means for producing in the aperture of each lens a radial electric or radical magnetic field, for minimizing the spherical aberration of the system. The symmetrical arrangement of Fig. 7 consists of two similar magnetic lenses, each with an electrostatic radial field. The magnetic sheath 55 surrounding the coil 41 is interrupted by a non-magnetic ring 55, the polepieces of the lens being formed by cylinders 47 and 48 of magnetic material. Insulating ceramic ring 58 supports an annular electrode 57 having an insulated lead 59, and a central electrode 61 is supported by wires 62 and stops the centre of the lens aperture. The system may be used, e.g. in X-ray shadow microscopy, microanalysis, electronic drilling and welding, and oscillography, to reproduce an inaccessible image at an accessible position. Alternatively, a non- symmetrical arrangement, consisting of two dissimilar lenses, may be employed, to provide magnification or diminution, and instead of the electrostatic radial field, a magnetic radial field may be employed by the use of an axial rod of ferromagnetic material. The use of two systems of the above type, arranged in series along a common axis, is also referred to.
Patent GB-249221-A (GB)
Abstract: 249,221. Coast, A. J. Dec. 20, 1924. Pneumatic sucker fastenings.-Articles such as signs, letters, and hooks and mouldings for picture frames, mirrors, walls, ceilings, furniture, &c., are made wholly or partly of an adhesive composition which is moulded to the required shape and provided with a contacting surface which is moistened and pressed against a supporting surface so as to adhere to it. For use as an advertising sign a convex mirror B, Figs. 1 and 4, is inserted into a rimmed disc A formed of the composition and moulded to the required shape while in a warm plastic state. The composition when set contracts and grips the mirror. A flat contacting surface A<2> is formed at the edge of the disc and is wetted so that when the disc is pressed against a flat support, the disc adheres thereto. In a modification a transparent disc E, Fig. 6, is secured in a rim D of the composition. Translucent coloured discs F, Fig. 7, may be used, letters G formed of the composition being inset therein and one or both surfaces being flattened for adhesion to the supporting surface. Hooks &c. may be formed entirely of the composition or the hook I, Fig. 13, may be inserted into the base H of the composition which has fcrmed thereon a contacting surface H<2>. A suitable composition is made of glue, resin, oil, water, whiting, glycerine, and colouring matter. Specification 164,568, [Class 73, Labels &c.], is referred to.
Patent GB-169699-A (GB)
Title: Improvements in internal combustion engines
IPC: F01L5/04
Filed: 1921-09-20
Abstract: 169,699. Amaudric du Chaffaut, R. J., and Coupier, M. M. J. E. Sept. 30, 1920, [Convention date]. Addition to 169,444. Void [Published under Sect. 91 of the Act]. Valves. - The engine described in the parent Specification is modified by dispensing with the piston extension in which the second piston reciprocates and by replacing the rotary valve by a sliding cylindrical valve in which both pistons reciprocate. The pistons 3, 4 slide in a reciprocating valve 2 and are connected to crankshafts geared together by a chain 15 and wheels 13, 14 so that the crank - shaft 12 rotates at twice the speed of the crankshaft 8. The valve is actuated by an eccentric 19 and has two sets of inlet ports 24, 25 and two sets of exhaust ports 26, 27. The cylinder is provided with inlet ports 20, 21, exhaust ports 22, 23, and an ignition port 36. To alter their relative positions, the crank-shafts are connected together by worm gearing, one of the wheels of which is axially adjustable.
Patent GB-599520-A (GB)
Title: Improvements relating to building blocks, slabs and the like
IPC: E04B2/42
Filed: 1945-09-26
Abstract: 599,520. Building-blocks; walls. WILKINSON, A. E., and COTTRELL, R. Sept. 26, 1945, No. 24941. [Classes 20(iv) and 87(i)] An apertured building-block consists of four parallel layers a, b, c, d spaced apart by rectangular-sectioned portions e at the upper and, if desired, lower corners. Narrow undercut grooves i and wider plain recesses j may be provided in the end faces and recesses k, l in the upper and lower faces of the block. Two ribs of rectangular or tapered section may be provided on the lower and corresponding grooves on the upper face of the block. In the construction of a wall, the outer cavities f, h are filled with concrete while the central one g is left open. Wall corners may be formed by blocks having the four parallel layers of L-form or, Fig. 9, by cutting away the ends of the blocks to leave the outer layer a extending at a<1> beyond the other layers and filling in the space formed with concrete, plates p being provided to keep the concrete out of the cavities g.
Patent GB-1497620-A (GB)
Title: Formation of metal layers on polymers
IPC: C08J7/02
Filed: 1975-06-11
Abstract: 1497620 Electroless plating of polyimides; copper plating AMP Inc 11 June 1975 [3 July 1974] 24945/75 Headings C7B and C7F In the electroless plating of e.g. Au, Cu, Co or Ni on a polyimide substrate, it is first contacted with a solution of an alkali, e.g. Na OH, and a hydrazine containing at least 25 wt. per cent of hydrazine hydrate. The substrate may be sensitized with palladium chloride or Pt, Ag or Au and it may be masked, and parts de-sensitized with ultraviolet light, heating or Na OH or it may be masked before sensitization. The solution may also contain tri-, di- or mono-ethanolamine. Before coating with Cu a Ni layer may be applied. Electroless Ni, Co and Cu baths are disclosed. The coating may be subsequently electro-plated with Cu. Copper, sulphate, fluoroborate and cyanide baths are specified.
Patent GB-1314565-A (GB)
Title: Semiconductor device and an image pickup tube involving the same
IPC: H01J29/45
Filed: 1970-05-22
Abstract: 1314565 Semi-conductor devices; image pickup tubes TOKYO SHIBAURA ELECTRIC CO Ltd 22 May 1970 [24 May 1969 17 June 1969 23 June 1969] 24957/70 Headings H1D and H1K A semi-conductor device comprises a substrate of Si, Ge or a III-V compound and at least one layer forming a junction therewith this layer comprising a mixture of a rare earth oxide and at least one of TiO 2  and ZrO 2 . In a first embodiment, Fig. 1 (not shown), a Au electrode (11) is vacuum deposited on one face of an N type Si substrate (10), a layer (13) of mixed oxides is vacuum evaporated on to the opposite face of the substrate to form a heterojunction (14) and an Al electrode (15) is vacuum evaporated on to the mixed oxide layer (13). The substrate may be masked before depositing the mixed oxide layer or a continuous layer may be deposited and selectively removed by photoetching. In particular the mixed oxide layer comprises 20 mol per cent Y 2 O 3  and 80 mol per cent TiO 2 . The devices may be utilized as photodiodes. The substrate may comprise a layer of Si, Ge, or III-V compound deposited on a sapphire base. An IGFET, Fig. 5, is produced by depositing a layer 21 of SiO 2  on an N type Si substrate 20, forming two parallel openings in the oxide, depositing a mixed oxide layer comprising a mixture of TiO 2  and Y 2 O 3  to form a source layer 22 and a drain layer 23 and then forming electrodes 24, 25, 26. The target of an image pickup tube, Fig. 7 comprises a Si substrate 30 on one face of which is deposited by electron beam heating a layer 31 of a mixture of Y 2 O 3  and TiO 2 . P is diffused into the opposite side of the substrate to form an N<SP>+</SP> type layer 33 and this face is secured by a layer of conductive paint to a transparent conductive layer 48 on a glass face plate 47 which is mounted on the end of a tube containing an electron gun by means of a metal ring (50) which contacts conductive layer 48. In use the layer 31 of Y 2 O 3  and TiO 2  is scanned by the electron beam and an an optical image focused on the target through the glass plate. The resolution can be increased by forming an SiO 2  layer (61) perforated with a pattern of apertures on the Si substrate before depositing the mixed oxide layer (62) so that a plurality of separate diodes are formed, Fig 8 (not shown). The target may also be used to receive photoelectrons emitted from a photocathode. The rare earth oxide may comprise Y 2 O 3 , Eu 2 O 3 , Dy 2 O 3 , Sc 2 O 3  and Sm 2 O 3 . GaAs is mentioned as a suitable III-V compound.
Patent GB-697331-A (GB)
Title: Improvements in or relating to rotary control grips for motor cycles
IPC: B62M25/00
Filed: 1949-09-29
Abstract: 697,331. Handle-bar control mechanism for motorcycles. HARTLAND, E. Jan. 3, 1950 [Sept. 29, 1949], No. 24962/49. Class 136 (i) In a rotary control grip fitted to the handle-bar of a motor-cycle for actuating the throttle, a cylindrical grip 1 is mounted to rotate on a handle-bar and is provided at one end with a pinion 3 which extends into a chambered body 4, 4a clamped on the handlebar by bolts 5, the pinion meshing with a toothed rack 8 slidable in a guide 6 incorporated in the body, the rack having an axial hole to receive the end of a Bowden cable 10 and at least one grub screw 12 projecting into the axial hole to grip the cable.
Patent GB-276848-A (GB)
Title: Improvements in furnace firebridges
IPC: F23M3/00
Filed: 1926-10-08
Abstract: 276,848. Johnson, R. W., and Gray, J. Oct. 8, 1926. Firebridges of the kind in which a series of bridge bars 10 rest upon a cross bearer and are detachably secured at their upper ends to a rear bridge wall 11, the lower ends of the bridge bars being engaged by a horizontal locking bar movable through a slot in the bearer, have the bearer 13 formed with a channel in which the lower ends 12 of the bars are received, the locking bar 26 being moved substantially horizontally to lock the bars in the channel. The cross bearer 13 may be vertically adjustable on a lower rear bridge wall 14 and comprises a back plate 17 united by vertical webs 18 with an intermediate bar 19 and a front bar or dead plate 21 which supports the fire-bars 22. Between the dead plate 21 and the intermediate bar 19 a channel is formed to receive the lower ends 12 of the bridge bars, which have recesses 23 registering with a slot 24 extending along the bar 19. Mounted in the slot 24 and passing through slots 25 in the webs 18 is the horizontal locking bar 26 engaged by a pair of levers 27 actuated from the front of the furnace. The recesses 23 in the bridge bars are slightly inclined downwards towards the front so that the locking bar moves slightly downwards into its locking position. A yoke 29 connecting the levers 27 may be locked against movement by a catch 30. The bridge bars may be hooked over the bridge wall 11, which may be adjustably bolted to the back of the lever 13 and have adjustable end plates engaging the sides of the furnace. Abutments 10<a> provide air spaces between the bars 10.
Patent GB-170176-A (GB)
Title: Improvements in and relating to bolts and nuts
IPC: F16B39/32
Filed: 1920-08-30
Abstract: 170,176. Miyagi, T. Aug. 30, 1920. Locking nuts. - A nut B is locked to a bolt A by means of a detent 4 carried on a spring finger 5 which is formed integrally with a washer C. The detent 4 is toothed at the inner end to engage with one of three equally-spaced V-shaped longitudinal grooves in the bolt. The spring finger 5 rests on an inwardly inclined channel 6, which is formed longitudinally in the nut, and has a notched portion 7 at its upper extremity to facilitate disengagement by the insertion of a wedge. A transverse concavity 10 is provided at the lower end and wider portion of the spring finger 5 to increase its resilience.
Patent GB-406388-A (GB)
Title: Improvements in apparatus for dispensing soap
IPC: A47K5/14
Filed: 1932-09-08
Abstract: 406,388. Making foam. HIGHT, G. F., 26, Blockley Road, North Wembley, and WEBB, C. H., 22, St. Mary's Crescent, Hendon, both in Middlesex. Sept. 8, 1932, No. 25074. [Class 47 (ii).] A device for dispensing liquid soap as a foam or lather comprises a container 1 having a lower compartment 3 for the soap and an upper compartment 2 for a filling aperture 15 and an air pump 5. The latter is adapted to force air past a non-return valve 10 to a pipe 9, the lower end of which is connected to a nipple 11 at the. bottom of a foam delivery pipe 12. Apertures 13 are provided for entry of the soap into the pipe 12. In a modification, Fig. 2, an air distributer 20 connected to an air bulb 18 is arranged in the flared lower end 22 of a foam delivery pipe 23. The spout 25 of the pipe 23 overhangs the cover 24 of the container 17, so that surplus foam returns into the container through an aperture 26. In another modification, the air pipe is arranged concentrically with the foam pipe. The air pump or bulb may be replaced by a hand or electric fan or other source of compressed air.
Patent GB-843329-A (GB)
Title: Improvements in the separation of gases occluded in liquids
IPC: F16K24/04
Filed: 1958-08-05
Abstract: <PICT:0843329/III/1> The conduit 1 is full of air, the gridiron valve 3 is in its lower position and closes the aperture 2b, and the float 2 rests on the valve 3b and consequently opens the aperture 3c.  When the pump (not shown) is started, the liquid delivered enters the chamber 2, and the float 4 closes the aperture 3c with its peg 4a, the air present in the chamber 3 having been forced through the apertures 3c and 2c into the separator 5.  Since the liquid no longer has an exit, it exerts a pressure on the lower face of the piston 3a which it raises.  As a result, the valve 3b opens the aperture 2b and the liquid passes through the conduit 6 and enters the separator 5. If the quantity of gas which is separated from the liquid in the chamber 2 is greater than that which can pass through the apertures 3c and 2c, the gases accumulate, the float 4 travels towards its position of rest on the valve 3b and prevents the pump from supplying liquid to the separator 5 through the conduit 6.  However if the quantity of gas which is separated from the liquid in the chamber 2 is less than that which can pass through the apertures 3c and 2c, the float 4 can rise again and close the aperture 3c.  The piston 3a, the two faces of which are at different pressures, rises and is accompanied by the float 4.  The liquid charged with air then enters the separator 5 through the aperture 2b and the conduit 6.  Thus by suitable selection of the dimensions of the gridiron valve 3, the specific weight of the float 4, and the dimensions of the apertures 3c and 2c, it is possible to cause the interruption in the supply to the separator 5 when the quantity of gas conveyed thereto per unit of time is greater than that which it can separate during said unit of time. Specification 817,925 is referred to.
Patent GB-1442594-A (GB)
Title: Foot support
IPC: A61F5/01
Filed: 1972-05-26
Abstract: 1442594 Foot support HUGH STEEPER (ROEHAMPTON) Ltd 23 Aug 1973 [26 May 1972] 25103/72 Addition to 1315590 Heading A5R A pack for producing a foot support comprises a U-shaped wire 12 which can be bent bodily into an L-shape, the shorter limb of which carries clamps 14 for gripping the shoe, a screw threaded shank 16 for adjusting the clamps 14, and a flat strip 18 of bendable metal which grips the leg, there being fastening means 22 provided for attaching the wire 12 to the strip 18.