baber/WOPTO huggingface dataset:
Patent GB-879153-A (GB)
Title: Prismatic light transmitter, panel or sheet
IPC: F21V5/00
Filed: 1959-07-27
Abstract: 879,153. Light refractors. CORNING GLASS WORKS. July 27, 1959 [July 30, 1958], No. 25752/59. Class 75(2). A prismatic light transmitting member for diffusing light rays, especially for use with large sources of light recessed into ceilings, has a surface embodying a cluster of pyramids formed on one surface, each pyramid of the cluster having at least one sloping face of a different surface area from that of any of its other sloping faces. In the form shown, a panel 30 consists of interfitting hexagonal clusters 40 each of two pyramids. 10 and two pyramids 20 which are mirror images of the pyramids 10. The pyramids have each five quadrangular faces 1 ... 5 all of which are inclined to the surface of the panel at the same angle. Typical dimensions are given.
Patent GB-632372-A (GB)
Title: Automatic facing lathe
IPC: B23B7/02
Filed: 1946-08-28
Abstract: 632,372. Automatic tathes. MANUFACTURE DE MACHINES DU HAUT RHIN, SOC. ANON. Aug. 28, 1946, No. 25764. Convention date, Oct. 20, 1939. [Class 83 (iii)] In an automatic facing lathe with a fixed head-stock, a transverse cam-shaft 31 controls longitudinal displacements of the tool carriages, while a longitudinal cam-shaft 19 driving the transverse cam-shaft controls transverse displacements, the link systems for operating the carriages in the two directions being located, respectively, in longitudinal and transverse planes. An electric motor 1, mounted in a cradle 2 pivoted at 3 to the frame 4, drives through a belt 5 a shaft 6 driving the headstock through a belt 7. The longitudinal cam-shaft 19 drives the transverse cam-shaft 31, as shown in Fig. 5, through bevel-gears 32, and is driven through a worm-drive from an intermediate shaft which may be selectively engaged with a high or low-speed drive from the motor by a clutch 26. The high-speed drive comprises a belt 21, bevel-gears 22 and a belt 25, while the low-speed drive comprises a belt 12, a wormdrive, change gears and a belt 16. Two, 34 and 35, of the five tool carriages, 34 . . . 38, are compound slide arrangements in which the lower member is longitudinally displaced by cams 33 and the upper member is transversely displaced by cams 48. The motion of one of the cams 33 is transmitted through a transversely-arranged shaft (not shown) to the carriage 35, while the motion of one of the cams 48 is transmitted through lever 47, link 46 and lever 45 to the carriage 34. The other tool carriages are transversely-operated from cams 27 through link motions such as that comprising lever 52, link 53 and lever 56, the carriage 37 being operated through an additional link 60 and lever 59. To allow replacement of the cams, the cam-shaft 19 is provided with a gap normally closed by a coupling of the type described in Specification 624,872, [Group XXIV].
Patent GB-972756-A (GB)
Title: Electronic terminal
IPC: H01R13/41
Filed: 1963-06-28
Abstract: 972,756. Mounting terminals; binding-posts. D. G. R. GRUNDY. (H. Dozier). June 28, 1963, No. 25812/63. Heading H2E. A terminal 1, pre-assembled within a bore 10 in an insulator 6 as shown in Fig. 2, is mounted on a board 12 by inserting the insulator 6 through a board opening 11 until an enlarged part 9 of insulator 6 abuts one side of board 12 and then axially displacing terminal 1 into the position shown in Fig. 3, when a terminal cap 5 seats against one insulator end, an enlarged knurled portion 4 of terminal 1 radially expands insulator 6 to lock it in position, and a terminal barb 2 bites into insulator 6 to prevent withdrawal of the terminal 1. In another embodiment (Figs. 4 to 7, not shown), a feed-through terminal has a further pin portion beyond the barb 2, and the surrounding insulator has a through bore.
Patent GB-715055-A (GB)
Title: Improvements in soldering fluxes
Inventor: BARTON DEREK HAROLD RICHARD
IPC: B23K35/36
Filed: 1951-11-05
Abstract: A soldering flux consists of rosin containing up to 5 per cent of morpholine hydrobromide or a hydrobromide of an N-alkyl substituted morpholine derivative: it may also contain up to 5 per cent. of cetyl pyridinium bromide in which case the morpholine compound does not exceed 4 per cent.  The flux may be used as a dry powder, in granulated form, dissolved in ethyl alcohol, as a solder cream containing 50-90 per cent. powdered solder or in a cored solder wire. Specification 557,816 is referred to in the Provisional Specification.
Patent GB-684720-A (GB)
Title: Clothes-hanger
IPC: A47G25/20
Filed: 1950-10-24
Abstract: 684,720. Coat hangers; lay figures. TAN, S. H. Oct. 24, 1950 [Sept. 23, 1950], No. 25847/50. Class 52(v) A clothes hanger comprises a shoulder portion 1 to which a member 4, 5, 6, 7 of substantially concave-convex configuration is attached, the member being bent forwardly then backwardly to form a bustshaping portion which permits of a nesting arrangement, Fig. 2. The extremities of the legs 6, 7 are bent into hooks 12, 13 which grip the waist, and which may be adjustable. The hanger may be provided with a hook 2 or may be in the form of a stand. In a modification, the shoulder portion, concave-convex member and the waist member are formed from a single pressing or stamping from sheet material.
Patent GB-1312344-A (GB)
Title: Membrane fluid-diffusion exchange devices
IPC: B01D53/22
Filed: 1970-05-28
Abstract: 1312344 Diffusion apparatus M L EDWARDS 28 May 1970 [9 June 1969] 25850/70 Headings B1X and B1L Diffusion apparatus used, e.g. for fluid diffusion in general or for the dialysis or oxygenation of blood comprises a stack of plates P, Fig. 2, and membrane envelopes M, each membrane enclosing one end and two opposing sides of a plate. Adjacent membranes are marginally clamped together and to the plates by means of ridges 40-43 on the margin of the plates P. The plates have horizontal grooves 50, 54 and a series of interfingered vertical grooves 51-53 and 55-57 blocked off by discontinuous clamping ridges 58, 59 and joined by horizontal fine grooves 66. The grooves 66 are separated by low and high ridges 67, 70, Fig. 6, which cause the formation of blood passageways 71 between adjacent membrane envelopes. The network of grooves and clamping ridges in the plates cause, through the result of pressure, correspondingly shaped passageways to form between the adjacent membrane envelopes so that the blood, after entering at inlet 31, Fig. 2, and manifold 32, can be said to follow the same pathway as that designated by the series of vertical and horizontal grooves until it exits via manifold 33 and outlet 33. Oxygen or dialysis fluid enters inlet 20 and passes via manifold 22 along the plates P via rear side grooves 66 to covered end 26 hence through plate holes 65 (shown as a slot) and back along the front side grooves 66 to exit as CO 2  or waste fluid via manifold 23 and outlet 21. The membranes may be of silicone rubber or regenerated cellulose whilst the plates may be of polyethylene, metal, or styrene acrylonitrile reinforced with glass fibres. The plates are fitted together by means of co-operating corner plugs and sockets.
Patent GB-479617-A (GB)
Title: Improved apparatus for increasing the size and/or brightness of pictures produced by picture projection apparatus for television and other purposes
IPC: H01J31/50
Filed: 1936-09-24
Abstract: 479,617. Image intensifiers; television. SKAUPY, F. Sept. 24, 1936, No. 25953. Convention date, Sept. 24, 1935. [Classes 39 (i)] and 40 (iii)] Apparatus for increasing the size and/or brightness of an optical image, for television and other purposes, comprises a system of light-amplifying cells 1, each consisting of an envelope containing a light-sensitive cathode 2, a grid anode 4, and a fluorescent screen 5, which cells are so arranged that all the individual cathodes lie substantially in one plane to form a common surface on which is projected the image to be amplified, and all the fluorescent screens lie substantially in a second plane to form a common surface on which the final picture is produced. The cells are connected in parallel, the grids being connected to the positive pole of the common voltage source. and the cathodes to the negative. The cells may be of square section, and form a mosaic, as shown in Fig. 1 (Fig. 2 showing diagrammatically a single cell); or the separate cells may be in the form of long narrow tubes which extend over the whole length of the image. In the latter case, Fig. 3 (not shown), the grid may be adjacent to the fluorescent layer. The image, e.g. that formed in a cathode-ray television receiver, or an infra-red image, may be projected by means of a lens on the common light-sensitive cathode surface, or rays from a receiver (e.g. one having a mirror screw) may form an image directly on the cathode surface. A small number of tubular cells may be used. the length of which corresponds to that of the final picture. On such an assemblage, an image from a television receiver may be projected by a cylindrical lens system which greatly contracts one dimension of the image. The image formed on the fluorescent surfaces is projected on to a viewing screen by a similar lens system which restores the correct dimension ratio of the picture. The apparatus may be used also for television transmission, the picture to be transmitted being projected on the cathode surface of the cell system, the fluorescent surface of which is scanned. The Specification as open to inspection under Sect. 91 describes also an image-amplifying system comprising an assemblage of photoelectric cells having their cathodes arranged to form a common surface, and a corresponding set of cathode-ray fluorescence tubes, each of which may be in series with the corresponding photo-cell or may have a control electrode to which are applied the current variations of the corresponding photo-cell. The cathodes of the fluorescence tubes (which tubes may be distant from the photo-cells) may be incandescent, cold, or excited by light. This subject-matter does not appear in the Specification as accepted.
Patent GB-450736-A (GB)
Title: Improvements relating to the stiffening of collars for personal wear
IPC: A41B3/10
Filed: 1935-09-19
Abstract: 450,736. Collar stiffenings- ELSBACH & CO. AKT.-GES., J., Herford, Westphalia, Germany. Sept. 19, 1935, No. 26025. Convention date, Sept. 19, 1934. [Class 141] The front edges of collars are stiffened by sewing a strip of waterinsoluble adhesive between the layers of the collar material, softening the adhesive by means of a solvent, and hot-pressing it so that it cements the layers together. Preferably, a cellulose derivative, such as cellulose acetate is employed. As shown in Fig. 1, the hem 2 of the collar is stuck down by a strip of the adhesive which, when it hardens, forms a bar-like stiffener. A strip or cord of artificial silk, or a fabric woven of artificial silk and cotton threads, may be used. As shown in Fig. 4, the edge 2 of the collar is bound with a tape 5 formed of, or carrying, the adhesive. The Specification as open to inspection under Sect. 91 describes also the application of the stiffening strip to multi-ply collars and states that it may be arranged inclined rearwardly from the point of the collar. The strip may not extend completely up to the fold of the collar. The entire edge of the outer part of the collar may be stiffened. This subject-matter does not appear in the Specification as accepted.
Patent GB-456235-A (GB)
Title: Improvements in or relating to panel structures particularly sliding roof panels of automobile vehicles
IPC: B60J7/04
Filed: 1935-09-20
Abstract: 456,235. Vehicle bodies; opening-tops. PRESSED STEEL CO., Ltd., Cowley, and MATON, W. C., 45, Glanville Road, both in Oxford. Sept. 20, 1935, No. 26083. [Class 108 (i)] A panel structure, particularly a sliding panel for vehicle roofs consisting of coincident sheet metal stampings joined together by an adhesive or sound-deadening compound has formed integrally, or has secured thereto, along its margins, channel section members and edge flanges for the ready attachment of other parts such as accessories. The panel comprises an outer member 11, an inner member 12 and an interposed adhesive layer 13. The inner member 12 has formed at the side and rear edges a channel depression 14 and spaced from the front two similar depressions 18, 19. The rear edges are downwardly flanged at 16, 17 and welded while the front edge is formed by crimped over parts 15 which are also welded. Fig. 8 shows the members 18, 19 replaced by attached members 32, 34 having tacking strip holding members 36, 39 for the tacking strips 38, 41.
Patent GB-401854-A (GB)
Title: Improvements in electrical circuits for multiple channel signalling systems
IPC: H03H7/06
Filed: 1932-09-20
Abstract: 401,854. Electric signalling systems. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and ESPLEY, D. C., c/o General Electric Co., Wembley, Middlesex. Sept. 20, 1932, No. 26137. Drawings to Specification. [Class 40 (i).] At the receiving end of a multiplex voicefrequency signalling system the signals of the several channels, which are characterized by a particular frequency, are separated by a plurality of band filters of two types i.e., filters with a series capacity and parallel inductance and vice versa, which are so disposed that the discrimination between the channels is better than it would be if the filters were all of the same type. The characteristics of the filters are discussed in the Specification and the principles governing their choice for individual channels set forth. Specifications 196,273, [Class 40 (v), Wireless signalling &c.], 337,007, [Class 40 (i), Electric signalling systems &c.], and 375,325 are referred to.
Patent GB-539145-A (GB)
Title: Improvements in the gravitational wet separation of particles of varying densities
IPC: B03B5/44
Filed: 1939-09-19
Abstract: 539,145. Wet-separating; iron oxide. NAAMLOOZE VENNOOTSCHAP DOMANIALE MIJN MAATSCHAPPIJ., and TROMP, K. F. Sept. 19, 1939, No. 26168. [Class 82 (ii)] [Also in Group III] In a process for the gravitational wet separation of particles of varying densities, the separating medium comprises in addition to a suitable liquid such as water, a black form of oxide of iron such as is obtained by heating red or reddish brown ferric oxide in natural or artificial form or compounds adapted when heated to yield such ferric oxide, to a temperature not less than 900‹ C. or a temperature approximating thereto but lower than the sintering temperature. Any other suitable substance, e.g. magnetite, pyrite clay or sand, may be mixed with the oxide or red ferric oxide may be mixed with coal or blacklead and the mixture burnt, a certain proportion of artificial magnetite being also formed. Alternatively a mixture of red and black ferric oxide may be used, said mixture being obtained by heating for such a period and such a temperature within the range specified above as to cause only a proportion of the black variety of oxide to be formed. For carrying out the process described in Specification 466,964 a suspension of 50 parts by weight of oxide in 50 parts by weight of water is used. In other examples, 55 parts by weight of the oxide with 45 parts of water or 30 parts of oxide, and 25 of coal particles in 45 parts of water are used.
Patent GB-888616-A (GB)
Title: Improvements in springboards for gymnasia and the like
IPC: A63B5/08
Filed: 1959-07-30
Abstract: 888,616. Springboards. SPENCER, HEATH & GEORGE Ltd., COOKE, F. & ATKINS, A. R. G. Oct. 14, 1960 [July 30, 1959], No. 26190/59. Class 132(1) A springboard comprises an inclined take-off platform supported at its higher end upon a transverse, resilient beam 12 carried between spaced bearers upon a basal structure, provision being made for a limited degree of sliding movement of the bearers upon the base to accommodate flexure of the beam, and means being provided for restricting or damping its flexural movement under load. The take-off platform may comprise a composite board 10 of resin bonded laminations covered with canvas 11. The take-off end has a cross-member 101 with end rubber pads 103, 104 and is centrally mounted on a block 102 mounted in cleats 121, 122 on the beam 12. The beam comprises a laminated plank with downturned ends 123 mounted in metal shoes 15 slidably adjustable by studs in slots in the base board 13. The ends 123 connect with spring pressed plungers 18 housed in casings 19. A nut and screw 20 adjustably tension the spring. A concave wooden block 21 at the middle of the board 13 damps flexure of the beam 12. The.board 13 has feet 14.
Patent GB-518898-A (GB)
Title: Improvements in or relating to thermionic valves
IPC: H01J19/00
Filed: 1938-09-07
Abstract: 518,898. Thermionic valves. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE. Sept. 7, 1938, No. 26195. Convention date, Sept. 7, 1937. [Class 39 (i)] In a valve wherein the screen 5 is of box form having slots O for the electron flow, the edges q of the slots are ground sharp to present a single edge and reduce noise ; the screen may be formed of two connected plates separated to form the slots. A grid F may be used between the screen and anode A and a concentrating electrode B between the screen and control grid G ; the electrode B may be replaced by forming the supports for the grid G of curved metal strips. The electrode B may be used for gain control, modulation control or for mixing. The edges q of the slots in the electrodes B, S may be parallel to each other or inclined for use with a variable mu grid ; or they may be curved.
Patent GB-1315300-A (GB)
Title: Monolithic detector construction of photodetectors
IPC: H01L31/18
Filed: 1970-05-30
Abstract: 1315300 Semi-conductor radiation detectors BARNES ENG CO 19 April 1971 [5 May 1970] 26198/71 Heading H1K A photovoltaic detector (of indium arsenide or indium antimonide) has a semi-conductor body 12 formed with one or more junction-containing mesas 15 and mounted on a ceramic beryllia substrate 30. A vapour deposited silicon monoxide layer 22 lies on part of the major surface of the body 12 and extends over part of the mesa. An evaporated metal layer 24 lies on this and extends from a terminal pad area to a small ohmic contact area on the mesa. At least the entire mesa and its junction are then covered with further silicon monoxide passivation 26. On top of the passivation 26 may be a gold or aluminium mask over the contacted area (as shown) or one or more of interference filters, aperture stops, coded reticles or guard rings, these components being provided for the or each mesa. Many arrays or individual elements may be scribed from a single wafer. The array or element may be housed in an evacuated Dewar vessel.
Patent GB-332438-A (GB)
Title: Improvements in or relating to night-latches
IPC: E05B17/20
Filed: 1929-08-29
Abstract: 332,438. Vaughan, Ltd., H. & T., and Ramsell, H. G. Aug. 29, 1929. Night latches; striking plates and staples for latches.-To prevent the bolt of a night latch from being forced back by insertion of an instrument between the door-post and edge of the door, the bolt b extends further than usual from the case a so as to present a parallel-sided portion to an inserted instrument, and the striking surface e of the staple d is set back from the edge of the door-post.
Patent GB-1509602-A (GB)
Title: Oil detecting device
IPC: G01R27/22
Filed: 1975-06-20
Abstract: 1509602 Electrical oil detectors JAPAN GASOLINE CO Ltd 20 June 1975 [25 June 1974] 26255/75 Heading G1N An oil detecting device for detecting the presence of oil on the surface of water or leakage from a pipe-line includes an electrically conductive particle layer which changes its resistance on coming into contact with oil. A conductive particle layer 4 of metals, metal oxides, carbon (graphite) is positioned in opening 1a of a rectangular plastics housing 1 and the opening is then sealed by a filter 2 of a water repellant oil passing material (e.g. polyfluoroethylene, silicon resin, synthetic resin filaments or natural fibre coated with resin. The layer 4 may be coated on the inner surface of filter 2 or the insulating plate 5. The filter 2 may contain a toxic to algae and shells to prevent them forming on the device. The filter may be in sheet form Fig. 3 (not shown). In operation the device is disposed in the medium to be monitored and its resistance measured via electrodes 3a, 3b which may be connected in one arm of a bridge circuit. Fig. 4 (not shown), the presence of oil causing the resistance between the electrodes to increase and thereby unbalance the bridge so as to trigger an SCR and energize an alarm circuit. Alternatively the detecting device may be connected as a feedback resistor between the output and inverting input terminals of a differential amplifier, Fig. 5 (not shown). The input resistances are adjusted so that in the absence of oil there is no output from the amplifier whereas when the resistance of the device increases in the presence of oil the amplification factor of the amplifier is increased and there is an output from the amplifier which fires the SCR.
Patent GB-389401-A (GB)
Title: Process for the separation of fusain from the remaining components of coal by flotation
IPC: B03D1/06
Filed: 1932-09-22
Abstract: Dextrins or starches which have been treated with hydrogen chloride, inorganic chlorides, or organic acid chlorides are added to coal slurry to render non-floatable the constituents of the coal other than fusain without affecting the floatability of the latter.  The fusain is floated off preferably by the use of wood tar oils of low boiling-point and a slightly dissociated alkali such as sodium carbonate or water glass is then added to the slurry so that on addition of known oils the vitrain and durain can be floated.  A substance which splits off hydrogen chloride such as a chlorine-substituted hydrocarbon may be used in conjunction with the treated dextrin or starch.  Specification 186,143, [Class 82 (ii), Washing granular &c.], is referred to.
Patent GB-319916-A (GB)
Title: Improvements in needle weft inserting looms
IPC: D03D47/00
Filed: 1928-09-14
Abstract: 319,916. Davis, A., Walters, F., and Worth & Sons, Ltd., T. B. Sept. 14, 1928. Weft-inserters not carrying bobbins, cops, and the like, looms with.-The weft-inserting needle or needles are guided to ensure their correct engagement with the selvage thread by one or more vertically-movable guides adapted to rise and fall in front of and behind the needles.. As shown, the needles N are guided by one or more forks F situated in spaces formed in the warps by the rod and carried on rods R guided in brackets G and reciprocated by a cam-worked lever L. Instead of a two-pronged fork as shown,. single guides arranged alternately in front of and behind the needles may be used, or, where the needles are arranged side by side, a three-pronged fork may be employed.