baber/WOPTO huggingface dataset:
Patent GB-1531068-A (GB)
Title: Terpolymers of fluorine-containing monomers and membranes thereof for use in electrolytic cells
IPC: C08J5/22
Filed: 1976-12-10
Abstract: 1531068 Fluorinated esters ASAHI GLASS CO Ltd 10 Dec 1976 [30 Dec 1975] 51718/76 Heading C2C [Also in Division C3] obtained by (i) reacting perfluoro-γ-butyrolactone and methanol, (ii) reacting the resulting methyl (3-fluorocarbonyl)tetrafluoropropionate with hexafluoropropylene oxide to form and (iii) treating this product with Na 2 CO 3  to form the olefinic compound (Example 1). CF 2 =CF.OCF 2 CF(CF 3 )O.CF 2 CF(CF 3 )O.(CF 2 ) 3 - COOCH 3  is prepared in like manner using more hexafluoropropylene oxide (Example 2).
Patent GB-1156277-A (GB)
Title: Improvements in or relating to Hydraulic Disk Brakes
IPC: F16D55/228
Filed: 1967-11-14
Abstract: 1,156,277. Disc brakes. ALFRED TEVES G.m.b.H. 14 Nov., 1967 [20 Feb., 1967], No. 51760/67. Heading F2E. A fixed caliper disc brake has its pads applied by opposed pistons, operable by fluid pressure and by respective levers operable by a common member. In Fig. 1 the pads 4, 5 are applied to the disc by opposed pistons 2, 3 which are operated either by fluid pressure or by cams 11, 12 associated with levers 7, 8 which may be drawn together by a Bowden cable or by linkwork. It is stated that automatic slack adjustment may be effected by ratchets 13, 14. As shown, the levers are vertical but they may be horizontal (Figs. 6 and 7) or inclined to the horizontal (Figs. 3 and 4, not shown). The Bowden cables for a pair of wheel brakes may have a common support (43, 44, Figs. 7 and 8, not shown).
Patent GB-1273460-A (GB)
Title: Improvements relating to lamps in vehicles
IPC: B60Q3/00
Filed: 1970-10-30
Abstract: 1,273,460. Vehicle lamps. DAIMLER. BENZ A.G. 30 Oct., 1970 [5 Nov., 1969], No. 51782/70. Heading F4R. A lamp which illuminates a compartment of a vehicle such as a glove compartment or boot space, is arranged to be releasable for use also as a portable hand lamp when required and is equipped with a gas-tight accumulator charged from the vehicle supply system. In its fixed position in the vehicle the lamp 1 is plugged into the vehicle supply system and may be continuously on charge, or on charge only when the ignition is on. It incorporates a combined press and slide switch 6, which is operated automatically as a press switch, by opening or closing the lid or door of the compartment, or manually as a slide switch when used as a hand lamp. The lamp has a magnet 4, or clips, which enable it to be supported as required during use as a portable lamp. The lens 5 of the lamp is heavily grooved to facilitate handling.
Patent GB-1391539-A (GB)
Title: Manufacture of elongate bodies from metal powder
IPC: B60N3/04
Filed: 1972-11-09
Abstract: 1391539 Vehicle floor mats UNIVERSAL CLIMB CO Ltd 9 Nov 1972 51826/72 Heading A4S A vehicle floor mat comprises a flexible sheet member 12 and a flexible member 20 integrally formed with or detachably attached to the member 12 and having faces 21, 22 which with the adjacent surface portions 15, 16 of the member 12 provide two-alternatively useable foot support faces, viz for a bare foot or a shod foot, respectively. A portion 14 is used for doffed footgear. The bare foot support face may be provided by a cloth sheet secured to the face 22 and surface portion 16 or by the latter having short fibre strands embedded in them. The members 12 and 20 may be made of rubber or synthetic resin, and the connection 23 between these may be as the alternative constructions described with reference to Figs. 5 to 9 (not shown). Two sideby-side floor mats may be inter-connected by a flexible web, Fig. 1 (not shown). In a second embodiment, Figs. 10 to 15 (not shown), the flexible member 20 is formed by portions of two flexible sheet members secured back-to-back with the other portions of the sheet members providing the surface portions 15, 16 and being secured to an underlying floor-contacting member. In a third embodiment, Figs. 16 to 19 (not shown), the member 20 is detachably secured to the member 12 by L- or T-shaped tongues on the base of the member 20 releasably engaging in slits in the member 12. Co-operating edge rims on the members 12 and 20 may be as described with reference to Figs. 20 to 22 (not shown). The underside of the mat may have resilient cone or pyramid-shaped projections for gripping the floor, Figs. 23 to 29 (not shown).
Patent GB-1222638-A (GB)
Title: Cyanoacetic acid esters and their preparation
IPC: F02M33/02
Filed: 1969-10-23
Abstract: 1,222,638. Cyanoacetic esters. PHILIPS' GLOEILAMPENFABRIEKEN N.V. 23 Oct., 1969 [26 Oct., 1968], No. 51928/69. Heading C2C. Cyanoacetic esters NC.CH 2 .COOR, where R is alkyl, alkenyl, cycloalkyl, aralkyl or aryl, are prepared by reacting a corresponding chloro- or bromo-acetic ester with an excess of sodium or potassium cyanide in the presence of acetonitrile. The cyanide, which may be present in up to 100%, preferably 25-50% excess, is employed in granules having a grain size of less than 1 mm., preferably less than 0À5 mm., and water may also be present, advantageously in an amount of 0À75 mole/mole haloacetic ester. The reaction is normally effected at from 40- 60 C., and examples detail the preparation of ethyl and tertiary butyl cyanoacetate from the corresponding chloroacetates using sodium cyanide.
Patent GB-1254274-A (GB)
Title: Oil filters
Inventor: STRIPP PETER WILLIAM
IPC: B01D27/08
Filed: 1967-11-15
Abstract: 1,254,274. Oil filter. TECALEMIT (ENG.) Ltd. 11 Dec., 1968 [15 Nov., 1967], No. 52060/ 67. Heading B1D A disposable oil filter, adapted to screw directly on to an engine block whose lubricating oil conduits then connect with inlets 4 and outlet 5, has a filter element 11 adapted to slide axially along a cylindrical surface 9, with which ring 14 makes a sliding seal, so that end cap 12 tends to move away from annular seats 4A, 4B under the pressure of oil delivered to inlets 4 and against the restoring force of spring 20. Thus seats 4A, 4B and cap 12 act as a non-return inlet valve. When the oil is cold or element 11 clogs, further movement of the element causes ring 14 to move on to circumferentially spaced ribs 8, whose surfaces 10 act as extensions of surface 9, opening a by-pass path from inlets 4 to outlet 5 between ribs 8. Alternatively a separate by-pass valve 19 is provided. Axial indentations 21 provide sliding support for element end cap. 18. The housing base 1 is metal or plastics, the body 2 is metal and has lugs 22 to facilitate screwing the filter to the engine. Pipe 17 serves as a non-drain device when the filter is upright.
Patent GB-1069298-A (GB)
Title: Improvements in or relating to gas burners
IPC: F23D14/10
Filed: 1964-12-22
Abstract: 1,069,298. Gas burners. R. BUNS. Dec. 22, 1964 [Feb. 13, 1964; Dec. 14, 1964], No. 52073/64. Heading F4T. An elongate gas burner has a nozzle plate built up from substantially U-section elements, pressed out of sheet material, and having rims 3 upturned from base parts 2, the elements being secured together in contiguous relation coplanar with a burner casing opening, the rims 3 forming between them gas outflow passages. Various shapes of outflow passages are indicated in Figs. 5-9 (not shown). The base parts 2 may be extended forming flanges 9 to be gripped by a holding fillet 10. Additionally the elements may be secured together by wires 20. The discharge cross-sections of the nozzles are generally greater than their entry cross-sections. The element flanges 9 may be extended, Fig. 11 (not shown) to screen a gas inductor nipple or the sides of the burner from the flames.
Patent GB-1471717-A (GB)
Title: Chroma keying of video colour signals
IPC: H04N9/75
Filed: 1974-12-04
Abstract: 1471717 Chroma keying systems ROBERT BOSCH GmbH 4 Dec 1974 [8 Dec 1973] 52395/74 Heading H4F A switching signal for the chroma keying of video colour signals in response to a selected colour tone of a selected saturation is produced by an arrangement designed to be less sensitive to colour tones neighbouring the selected tone than are prior art arrangements. The arrangement includes means for producing two colour difference signals from colour value signals, e.g. from a colour camera, and for multiplying the first of these by a sine function and the second by a cosine function, the functions being dependent upon the selected colour tone. The sum of the products is formed to provide a first composite signal. Further means form a second composite signal from the colour value signals such that it has a value which is zero for the selected colour tone and non-zero for neighbouring colour tones. The difference of the two composite signals is derived and the switching signal is produced when the difference exceeds a threshold value which corresponds to the selected saturation of the selected colour tone. In the arrangement shown in Fig. 2 matrix 9 receives colour value signals R, G, B, and delivers colour difference signals to multipliers 10, 11, 17, 18 where they are multiplied as indicated by sin # and cos #, # being adjusted by part 13 to correspond to the selected colour tone. Adding unit 14 provides the first composite signal, (B - Y) cos # + (R - Y) sin #, and subtracting unit 19 the second composite signal, (B - Y) sin # - (R - Y) cos #. The absolute value of the second signal, amplified at 21 as required, is subtracted from the first, and when the result exceeds a preset threshold unit 15 provides the switching signal to control the electronic chroma keying switch. The likelihood of the arrangement switching in response to a neighbouring colour tone is reduced by increasing the amplification factor k of amplifier 21. In a modification (Fig. 4, not shown) the matrix provides R, B, and Y signals rather than difference signals, and applies them to multiplers having differential inputs, the multipliers also receiving sin # or cos # as necessary. Reference is made to the use of (R - M) and (B - M) or (R - G) an (B - G) signals instead of the (R - Y) and (B - Y) signals.
Patent GB-1448456-A (GB)
Title: Ore carrier
IPC: B63B11/04
Filed: 1973-11-12
Abstract: 1448456 Ship's holds KOBE STEEL Ltd and MITSUBISHI JUKOGYO KK 12 Nov 1973 [13 Nov 1972] 52464/73 Heading B7A An ore carrying vessel is provided with a hold 3 having transverse partition walls 7 the surfaces 8 of which are inclined to the vertical and intersect with the bottom surface 9 of the hold at an angle 11 which is chosen such that a body 1 of ore will not rest thereon. The hold is provided with openings 4 through which a grab bucket 2 may be lowered for unloading the ore. If the ore has consolidated during transit which is often the case when the ore is loaded as a slurry, then the grab bucket 2 will be unable to unload bodies 1 of the ore which remain under overhanging frame portions, 15, of the vessel. However with the inclined surfaces 8, the bucket 2 may be used to break up the bodies 1 of ore by opening the bucket after it has been lowered below the frame portions, as 15, and the ore will fall to the bottom of the hold wherefrom it may be retrieved. As an alternative a separate demolishing machine may be used to break up the ore bodies 1 before removal by the grab bucket 2. The upper parts of the walls 7 are vertical, the line between these parts and the inclined surfaces 8 being above the top level of the ore when loaded into the hold. The longitudinal walls of the hold 3 may be vertical or inclined to the vertical preferably at the same angle 11 as for the surfaces 8.
Patent GB-1357060-A (GB)
Title: Apparatus for cutting rings from tubes
IPC: B26D3/16
Filed: 1972-11-14
Abstract: 1357060 Cutting tubes SKF INDUSTRIAL TRADING & DEVELOPMENT CO NV 14 Nov 1972 [16 Nov 1971] 52543/72 Heading B4B An apparatus for cutting rings from a tube 1 of material, e.g. rubber, comprises a mandrel 2 for rotating the tube about its longitudinal axis, a tool holder 3 having at least one cutting edge, e.g. a razor blade 4 movable into cutting engagement with the tube and rotatable by a motor 9 at a lower velocity than that of the tube, the cutting edge cutting through the wall of the tube during a part of one revolution of the tool holder, and means 16, 17, 18 to continuously feed the holder during rotation thereof, the arrangement being such that the peripheral cut made in the tube extends in a plane perpendicular to its longitudinal axis. As shown a pair of cutting blades 4 are mounted on the holder 3 which is supported on a carrier 14 with its axis A inclined to the axis of the tube. The carrier is moved by a motor 18 via a feed screw 16. The mandrel is rotated by a motor 6 or, alternatively, may be rotated by the motor 18 via a variable speed chain drive. The motors are controlled by a unit 20.
Patent GB-1069170-A (GB)
Title: Machine for the mixing and grinding of mineral compositions
IPC: B28C1/22
Filed: 1964-12-29
Abstract: 1,069,170. Reducing inorganic materials; wet grinding; mixing appliances. H. LOHR. Dec. 29, 1964, No. 52649/64. Headings B1C and B2A. Apparatus for treatment of materials such as clay, schist, pre-clay &c., prior to extrusion to a moulding machine comprises a cylindrical screen 2 having reducing members e.g. rotary scrapers, in which the cylindrical screen has means to inject water to brake up compressed material on the members. As described, injection nozzles 9 are arranged axially in rows at the periphery of the screen, each row being supplied by a pipe 10 having a control cut-off valve 11 operated in step with the rotation of the scrapers by brushes 15 and a commutator 14 secured to the scraper shaft 13. In a second embodiment, superheated steam is supplied to a jacket (19, Fig. 2) surrounding the mixer 1 and via nozzles (20) into the cylinder (2), to raise the material to the required temperature and moisten it. The regulation of steam supply is controlled in accordance with the load on the cylinder and the pressure in the moulding press. Plough-share-like catch plates may be provided projecting into the input end of the screening cylinder, which may be mounted vertically. Material being processed may be warmed by providing passages, for oil or water vapour, in the scrapers, mixer and shaft. The reducing members may be arranged to be radially adjustable, and the water supply automatically adjustable by magnetic valves controlled by the driving motor load to take account of the viscosity of material being treated. In operation, material fed into the apparatus at 8 is mixed by scoops 7 which transfer the material into the cylinder 2 and thence it passes to presses 4. 5 from which a finished product is extruded.
Patent GB-1326412-A (GB)
Title: Radio-frequency plasma generators
IPC: H05H1/46
Filed: 1970-11-05
Abstract: 1326412 High-frequency discharge apparatus G LISITANO 5 Nov 1970 [6 Nov 1969] 52671/70 Heading H1D A plasma generator comprises an outer container 14 for plasma, a radio-frequency generator 10, a transmission member 61 which is coupled to the radio-frequency generator and is disposed within the outer container so as to convey radio-frequency power to the plasma, the transmission member including a slotted substantially tubular hollow conductive body disposed such that radio-frequency power supplied to it from the generator is propagated, axially of the body, with a diminished velocity, and means 24 for producing a static magnetic field to confine the generated plasma to the said body. In the embodiment shown the inner conductor of a coaxialline 12 is connected to the member 16, and the outer conductor to container 14. A helical slot 18 in the member 16 may be either open or filled with dielectric material 25. The container 14 can be connected by flanges 22 to a system containing gas e.g. argon, at a pressure from 10<SP>-4</SP> torr. up to atmospheric. An axial magnetic field B is generated by coils 24. In alternative embodiments (Figs. 2, 3, not shown) the coaxial line 12 is connected either at a point nearer one end of the cylinder 16 or at a central point so that a shot extends in each direction from the point of connection. Further alternative embodiments (Figs. 4 and 5, not shown) include waveguide input arrangements.
Patent GB-1356247-A (GB)
Title: Silica-gels
IPC: C01B33/155
Filed: 1970-11-05
Abstract: 1356247 Silica gel ZIRCONAL PROCESSES Ltd 21 Oct 1971 [5 Nov 1970] 52693/70 Headings C1A and C1J A silica gel is prepared by alkaline gelation of either an acid silica aquasol, an acid silica alcohol or an acid hydrolysate of an organic silicate with a dispersion of magnesium oxide in a mixture of water and a totally water miscible polyhydric alcohol. The term "silica gel" includes co-gels of silica with one or more metal oxides; and the term "acid hydrolysate of an organic silicate" includes mixed acid hydrolysates or organic silicates and metal salts. The dispersion was used for gelling a hydrolysate prepared from AlCl 3 , ethyl alcohol and ethyl silicate in Examples I and III, an acid hydrolysate prepared from ethyl silicate, hydrochloric acid and ethyl alcohol in Examples II and IV, a silica sol. in Examples V and VI and a silica alcosol in Example VII. Refractory articles where the silica gel acts as a binder for aluminium oxide (see Example II), aluminium silicate, aluminosilicate, magnesium oxide, magnesium silicate, zirconium oxide, zircon, crystalline silicon oxide, silicon carbide and spinel may be made by mixing the refractory material with the silica aquasol or alcosol or acid hydrolysate and the above gelling medium into a slurry, forming the slurry into the desired shape, drying and firing.
Patent GB-1455831-A (GB)
Title: Development composition for use in colour contrast photography
IPC: G03C8/00
Filed: 1973-11-15
Abstract: 1455831 Photographic developer composition MINNESOTA MINING & MFG CO 15 Nov 1973 [15 Nov 1972] 53156/73 Heading G2C A photographic developer composition comprises an aqueous alkaline solution containing 1-15g of a p-phenylenediamine compound, 0À01-1g 1-phenyl-3-pyrazolidone or metal and 3 x 10<SP>-4</SP> - 6 x 10<SP>-3</SP> moles of an alkali metal or ammonium thiosulphate per litre of solution. The pH of the composition may be 10-12. The composition is used to form colour contrast images from an exposed photographic material comprising at least one layer of silver halide emulsion associated with a colour coupler and in non-strippable reactive association with that layer at least one layer containing nuclei which catalyse the reduction of silver ions in unexposed silver halide grains into the form of coloured colloidal silver. The colour of the colloidal silver depends on its size, quantity and the way the nuclei are prepared. Development may  be followed by fixing to remove any residual silver halide from the light-sensitive layer.
Patent GB-1483850-A (GB)
Title: Lifting apparatus
IPC: B66F3/02
Filed: 1975-12-30
Abstract: 1483850 Rack and pinion lifting devices DAIDO KIKO CO Ltd 30 Dec 1975 [13 March 1975 18 March 1975] 53215/75 Heading B8J [Also in Division F2] A water gate 4 is moved by a mechanism 7 comprising a cone rack having a lift stem 1 with core pieces 5 fitted thereon like beads on an abacus between a stop collar 2, pivoted at 3 to the gate 4, and nuts 6 screwed on the stem 1. The lift stem 1 is driven by a set of gears G1, G2 engaging on both sides thereof. The gears G2 are mounted on driving shafts S1 S2 which also carry intermeshing gears G3. G4 and are driven through intermeshing gears G6 on S3 and G5 on S2. The shaft S3 can be locked by a brake 18 and a centrifugal brake on shaft S2 is actuated by a sprocket wheel 21 driven by a chain 20 engaging a sprocket wheel 19 on the shaft S3 to apply a damping force related to the speed of descent of the water gate 4 when the brake 18 is released. A handle 36 is mounted on a sleeve 34 and when rotated in the sense to lift the water gate 4 the sleeve 34 threadedly engages at 30 the shaft S3 (as shown) and acts to clamp ratchet wheel 26 of a ratchet mechanism 28 pivoted on a fixed shaft S4 between friction discs 39, 39<SP>1</SP> and against a friction disc 25 to form a driving connection with the shaft S3. When the handle 36 is rotated in the reverse direction the sleeve passes to a non- threaded portion 32 of the shaft S3 so that the water gate 4 may fall under its own weight (when the brake 18 is released). In order to force the water gate 4 to its fully closed position the sleeve 34 may be threadedly engaged at 31 with the shaft S3 to form a reversely operating driving connection therewith.
Patent GB-1287134-A (GB)
Title: Semiconductor integrated circuit and method of making the same
Inventor: KOBAYASHI ISAMU
IPC: H01L27/06
Filed: 1969-10-30
Abstract: 1287134 Integrated circuits SONY CORP 30 Oct 1969 [30 Oct 1968 (2)] 53224/69 Heading H1K An integrated circuit arrangement comprises regions of monocrystalline semi-conductor and a high resistivity isolating region of polycrystalline semi-conductor vapour deposited side by side on a monocrystalline substrate the doping concentration of the polycrystalline material lying between 10<SP>12</SP> and 10<SP>17</SP> atoms/cc. so that its resistivity is substantially greater than that of similarly doped monocrystal. A circuit consisting of two diodes connected in parallel with their cathodes commoned is made by forming a network of seeding sites consisting of silica or silicon nitride on an N + silicon wafer, and depositing appropriately doped silicon to a depth of 8Á to provide monocrystal N regions isolated by a high resistivity polycrystalline network. The diode anodes are formed in the N regions and provided with aluminium electrodes by standard planar techniques and a gold cathode deposited on the back of the wafer. In another embodiment using a P-type starting wafer diffused N+ inclusions are provided in apertures in the seeding network prior to deposition of the N-type material, and base, emitter, and collector contact regions formed subsequently in the monocrystal islands by diffusion. In a modification of this silicon is used as seeding material. The remaining embodiments are essentially as described in Specification 1,251,348. Reference has been directed by the Comptroller to Specification 1,251,348.
Patent GB-1401185-A (GB)
Title: Machines for dispensing drinks
IPC: G07F13/06
Filed: 1971-11-18
Abstract: 1401185 Beverage vending machine GKN SANKEY Ltd 6 Dec 1972 [18 Nov 1971] 53502/71 Heading A4T [Also in Divisions F2 and G3] In a valve for a drink-vending machine a closure member 30 is provided with a projection 31 and the seat 32 at the inlet end of an outlet 15 is rounded so that flow through the valve when open is non-turbulent. The valve and its inlet 12 are immersed in a hot-water tank 51 to the level 59 and is actuated by a timer-controlled solenoid 19 against the closing bias of a spring 33. Flow through the outlet is adjusted by a conical projection 42 on a spider 43 which is movable relative a conical surface 45 on the outlet by rotating a threaded ring 35 on the valve body 16. Conical projection 31 may be right circular or outwardly concave or convex. The closure member 30 and the projection 31 are preferably of butyl rubber. The machine has four such valves 47-50 in the water heating tank 51 which is fed by a floatcontrolled header tank 53. The outlets of the valves 47, 48 communicate respectively with a tea-making unit 61 and a coffee-making station 64 the outlets from which pass through a milk and/or sugar station 62 to a cup 66. The outlets of the valves 49, 50 communicate respectively with a soup whipper 69 and a chocolate whipper 70 which have outlets 71, 72 feeding into a cup 66. After money is inserted into the machine the valve corresponding to the selected drink is energized and dispenses a predetermined amount of water.