baber/WOPTO huggingface dataset:
Patent GB-1363178-A (GB)
Title: Elimination of glare in light boxes
IPC: G02B5/30
Filed: 1972-11-07
Abstract: 1363178 Light boxes for viewers DYNATRONICS Inc 7 Nov 1972 [15 Nov 1971] 51329/72 Heading G2X In a light box for viewers, the light passes out through polarizing plates arranged so that only light passing through the object being viewed passes the filters, the remaining light being blocked. As shown, the box 11 contains a light source, and on the open top of the box are disposed two filters 13 and 15 which produce circularly polarized light. Filter 13 produces left hand polarization and filter 15 right hand polarization, so that when the filters are superimposed as shown, light passing through the filter 13 is intercepted by filter 15, and no light at all emerges. When a strip of film of an optically active nature, from a supply 14, is passed between the two filters, the film rotates the plane of polarization so that light passing through filter 13 and the film can then pass through filter 15. Thus when the box is used as a film viewer, light emerges only through the actual film area itself, and not through the surrounding parts of filter 15 Fig. 4 (not shown), so that extraneous glare is eliminated. Instead of the film strip, a sheet of similarly active paper, e.g. a tracing, may be used.
Patent GB-1092119-A (GB)
Title: Methods and apparatus for generating sonic pressure waves
IPC: F23D11/34
Filed: 1964-12-18
Abstract: 1,092,119. Spray-producers. SONIC DEVELOPMENT CORPORATION OF AMERICA. Dec. 18, 1964 [Dec. 23, 1963], No. 51677/64. Heading B2F. [Also in Divisions F4 and G5] An Apparatus for generating sonic pressure waves and atomizing a fluent material, e.g. liquid fuel, in a gaseous medium comprises a nozzle 20 having a passage 26, 28 supplied with pressure air by a tube 22 and with liquid fuel through holes 30 and discharging into a pulsator unit 44 comprising a cavity 48. The liquid fuel spreads around the inside of the nozzle, as indicated by dash lines 40, and forms a liquid walled converging-diverging nozzle which accelerates the air stream to a speed of mach 1. The pressure of the air and fuel stream emerging from the nozzle is lower than that of the ambient gas which is therefore drawn into the stream. The nozzle may comprise a converging section 26 followed by a straight section 28 as shown or it may comprise a straight section only or it may comprise a converging by a diverging section. Steps may be formed section follwed by a straight section followed in the sections. The liquid fuel is supplied by a tube 34 spaced from the air tube 22 by spherical spacers 38. The holes 30 are at 90 degree spacing. In a modification Fig. 4, 5 (not shown) the four holes for the liquid fuel are supplied by separate tubes and the flow rates of the intubes can be controlled independently to vary the shape of the spray pattern. The separate tubes may also supply different fluids. In another modification Figs. 6, 7, 8 (not shown) additional holes discharge liquid fuel into the spray as it leaves the nozzle and the diameter of pairs of opposed holes discharging liquid fuel into the centre of the nozzle may be different. In a further modification Figs. 9, 10 (not shown) the fuel is delivered through a fitting screwed into a threaded hole in the side wall of the nozzle upstream of a converging part of the air passage and in a further modification Fig. 11 (not shown) the fuel supply fitting is disposed upstream of a step in the air passage. In a further modification Figs. 12, 13, 14 (not shown) the fuel is delivered by four holes to a diverging discharge section of the nozzle and no fuel is delivered to the central section of the nozzle. The end of the pulsator unit is pointed.
Patent GB-1374781-A (GB)
Title: Hose reels
IPC: F16L27/087
Filed: 1971-11-09
Abstract: 1374781 Hose reels; fluid supply S A MATINCENDIE 9 Nov 1971 [9 Nov 1970] 52070/71 Heading B8M A<SP>2</SP>hose reel comprises two flanges and a hollow shaft 2 for mounting a hose, an inlet 22 for the supply of fluid to the interior of the shaft 2, and at least one outlet from the shaft for the supply of fluid to a hose in use, either the inlet or the outlet incorporating means for mixing two fluids, the mixing means comprising a mixing space 23, a convergent nozzle 26 debouching in said space 23 for the supply of a first component fluid, and a further inlet 24 debouching into said mixing space 23 for the supply of a second component of the fluid mixture. The inlet is preferably a hollow arm 22 at right angles to the shaft 2 and disposed outside the flanges of the reel. The mixing means is preferably located at the inlet to the arm 22, but may be disposed in an additional outlet of the shaft 2, in this case, such outlet may be disposed on the end of the shaft remote from the connection with arm 22, or may be connected at the junction of arm 22 with the shaft 2. The elbow 21 may be replaced by an element providing additional outlets for fluid. The hose reel may be mounted by a bracket 5 on a wall, or may be mounted on a trolley for transportation. Several reels may be coupled together in side-by-side relation. The pipe 3 connecting a hose to the shaft 2, is preferably rotatably sealed on the shaft by O-rings and rings and may include roller bearings. The hose reel is of particular use in fire-fighting equipment for the distribution of water and foam. The reel may also be used for the simultaneous distribution of water and fertilizers; air, air and oil, or air and water; or for petroleum products.
Patent GB-1071630-A (GB)
Title: Improvements in or relating to indicators for navigational position fixing systems
Inventor: PEARSON MICHAEL GEOFFREY
IPC: G01S1/02
Filed: 1964-12-28
Abstract: 1,071,630. Indicating-apparatus. DECCA Ltd. Dec. 16, 1965 [Dec. 28, 1964], No.52573/64. Heading G1J. In indicating-apparatus for use with a navigational position fixing system or systems, a direct current of a polarity and magnitude representative of the sense and magnitude of the change in heading of the craft required to steer it in a predetermined direction is fed to a milliammeter 53 whose pointer 60 co-operates with a datum indicator marked at the top of a transparent disc 17 and another direct current similarly representing the transverse deviation of the craft from a predetermined track is fed to a milliammeter 33 whose spindle 36 carries a pair of arms 41, 42 supporting a translucent strip 43 so that a marker line 20 thereon moves transversely over a scale on the disc 17 intersecting the axis of the pointer 60.
Patent GB-1146871-A (GB)
Title: Improvements in or relating to electric induction units
Inventor: CRASKE MAURINCE ALLAN
IPC: H05B6/14
Filed: 1964-12-30
Abstract: 1,146,871. Induction heating units. BEANWY ELECTRIC Ltd. 30 March, 1966 [30 Dec., 1965], No. 52768/64. Heading H5H. A 1.f. induction heater comprises a plurality of multiturn coils 1 each mounted around a straight core 3 of flat magnetizable laminations extending between and at right-angles to two parallel magnetizable end plates 4, the core ends projecting from the coil and secured or close to the end plates. The coil comprises copper wire sheathed in glass fibre, asbestos or mica wound on an asbestos cement spool 2 supported by a steel core 3 of square cross-section. A number of assemblies are grouped around the barrel or part of the barrel of an injection moulding machine between annular iron or steel end plates 4 each in two or more segments clamped to the barrel and several such groups may be arranged along the barrel. The plates contain radial slots 8 into which the ends of each core fit and are secured by bolts 9 to form closed magnetic loops consisting of the core 3, plates 4 and the barrel 5. A non-magnetizable strip 10 extends between the plates 4, as shown, or between the barrel and the coil defining a passage for cooling air. Thermocouples sense the barrel temperature. The heaters may be mounted on flat articles or on spider mountings within a rotating drum.
Patent GB-1495080-A (GB)
Title: Chair with adjustable back
IPC: A47C7/44
Filed: 1975-12-30
Abstract: 1495080 Adjustable chair W FEHLBAUM 30 Dec 1975 [10 Jan 1975] 53204/75 Headings A4J and A4U A chair has a back support 8 pivotally mounted on a vertically adjustable seat 1, the lower end of the back support being received in a cut-out A in the rear of the seat and the upper end of the back support being received in a further cut-out in a shoulder support 12 pivotally connected to the back support. The back support is pivotally adjusted by a gas spring 10. A torsion member may resiliently mount the shoulder support about its pivot axis with the back support.
Patent GB-1441029-A (GB)
Title: Glass moulding
IPC: C03B11/08
Filed: 1973-11-16
Abstract: 1441029 Glass moulding EASTMAN KODAK CO 16 Nov 1973 [16 Nov 1972] 53302/73 Heading C1M A mould for producing glass lenses comprises a pair of closable mould members 52, 62 each having complementary mould cavities 53, 63 and, when closed defining a transfer chamber 66 interconnected by spones 63 with the chambers formed by the cavities. The mould members are formed of glass-like carbon. In use, a gob is placed in a transfer chamber 66 and the mould raised on a support plate 28 so that it is within a chamber 12. The chamber is heated to between 200 and 300 C., evacuated, and filled with an non-oxidizing gas (e.g. a H 2 /H 2  mixture). The chamber is then heated using coils 46 to the glass softening point and a ram 80 moved upwards to the transfer chamber, thereby driving the softened glass into the cavities. Pressures of between 50 p.s.i. and 5000 p.s.i. are used.
Patent GB-1131418-A (GB)
Title: Improvements in and relating to apparatus for producing cold and/or for liquefying gases
IPC: F25J1/00
Filed: 1965-12-16
Abstract: 1,131,418. Refrigerating. PHILIPS' GLOEILAMPENFABRIEKEN. 16 Dec., 1965 [19 Dec., 1964], No. 53418/65. Heading F4H. A refrigeration and/or gas liquefaction system includes an ejector which is supplied with high-pressure gas, the gas having been cooled to below its inversion temperature, and has a suction inlet communicating with a container, the container being supplied with fluid at a lower pressure than that of the fluid discharged from the ejector. As shown, helium from a compressor 1 is cooled at 3 and supplied to the inlet of an ejector 21 which discharges to a container 23, the vapour space of the latter communicating with the inlet of the compressor. Liquid from container 23 passes via a throttle 25 to a further container 26 where it cools a load 29, the vapour from container 26 being withdrawn through line 27 which is connected to the suction inlet 28 of the ejector. In the modification of Fig. 3 (not shown), three series connected ejectors (31, 32 and 33) and four series connected containers (40, 41, 42, 43) are provided, the vapour space of container (40) communicating with the compressor inlet and the vapour spaces of containers (41, 42, 43) communicating with the suction inlets of ejectors (33, 32, 31) respectively. Alternatively containers (42, 43) may be omitted (Fig. 3a, not shown), the vapour space of container (41) communicating with the suction inlets of all three ejectors. In Fig. 4 (not shown) three ejectors (121, 122, 123) are connected in parallel and discharge into respective containers (128, 130, 132) the liquid spaces of which are in communication via throttles (133, 134). A further throttle (135) communicates container (132) with a further container (136), the vapour space of container (128) communicates with the compressor inlet and the vapour spaces of containers (130, 132, 136) communicate with the suction inlets of ejectors (121, 122, 123) respectively. In Fig 5 (not shown) part of the cooled, compressed helium bypasses the single ejector (60) and is supplied to either the high or low pressure container (62 or 64) via a throttle (61). Only one container (70) is provided in Figs. 6 and 7 (not shown), part of the cooled compressed helium being supplied to said container via a throttle (71) and part to the inlet of the single ejector (72), the suction inlet of which communicates with the container and the outlet with the inlet of the compressor. The compressed helium may be cooled by a two-stage Stirling cycle refrigerator (Fig. 8, not shown) or may be derived from the cold space of such a refrigerator (Fig. 9, not shown).
Patent GB-1529010-A (GB)
Title: Methods and apparatus for determining the degree of filling of a filled electric cable
IPC: G01R31/02
Filed: 1976-12-22
Abstract: 1529010 Determining degree of filling of electric cables WESTERN ELECTRIC CO Inc 22 Dec 1976 [22 Dec 1975 2 Nov 1976] 53453/76 Heading G1N [Also in Divisions G3 and H1] The degree of filling material inserted in an electric cable 1 during its passage through a filling chamber 3 is determined by continuously monitoring the change in capacitance of a pair of conductors 7 within the cable 1 and comparing the changes in capacitance to a value of capacitance change representative of a desired degree of filling of the cable. In the arrangement shown the pair of insulated conductors chosen are those situated in the inner portion of the cable Fig. 2 (not shown) and these are connected by leads 19 to the input of a capacitance measuring circuit, encoder and transmitter 21, Figs. 3, 4 (not shown) the output from which is coupled via leads 22 to coil 12 rotatable with reel 2 and coupled to stationary coil 13. Coil 13 is connected via leads 23 to a receiver and decoder 27 Fig. 4 (not shown). The reference capacitor is provided by the capacitance existing between the pair of insulated conductors situated near the periphery of cable 1 and the filling between which may be considered to be complete. These conductors are coupled via leads 8 and transmitter 9 to coil 12 and thence to coil 13 and receiver 17, the frequency of the A.F. signals from transmitters 9 and 21 being indicative of the capacitance between the conductors. The signals from the receivers 17, 24 are fed together with a signal from a footage counter 4 to a digital computer 26 which determines the increase of capacitance per unit length of cable processed, or the slope, for the two pairs of conductors. The computer then compares the slope of the capacitance of the outside pair of conductors to a predetermined slope value and calculates the per cent difference. It then performs the same computations with respect to the inside pair of conductors comparing with the outside pair. From these values the filling effectiveness of the cable 1 is calculated and if the value is less than a predetermined value signals are applied over leads 98 to control a valve 99 in the filling chamber 3 to increase the pressure of the filling compound, or over leads 102 to increase the temperature of the chamber, or to alter the line speed of the cable 1 so as to change the filling.
Patent GB-1113509-A (GB)
Title: Arrangement for tempering chocolate compositions
IPC: A23G1/00
Filed: 1965-12-21
Abstract: 1,113,509. Tempering chocolate. R. SOLLICH. 21 Dec., 1965 [9 Nov., 1965], No. 54087/65. Addition to 995,982. Heading A2A. [Also in Division F4] The arrangement for tempering chocolate compositions disclosed in Specification 995,982 is modified, in that any excess chilling, which may occur during vaporization of liquid refrigerant in the evaporating jacket space 10 around the tempering worm 12, is automatically compensated by circulating controlled amounts of the hot, gaseous refrigerant through a heating jacket space 26 adjacent to the space 10. In the arrangement shown, the jacket space 26 is spiral, and hot gaseous refrigerant is fed into it through a conduit including a pre-set valve 27 and an electromagnetically operated valve 22, which is controlled by the switching thermostat 14 sensing the temperature of discharging, tempered chocolate composition. A regulator 30, controlling the driving of the conveying worm 4 and tempering worm 12 (thus controlling throughput) is coupled to a valve 29 in a conduit 28 by-passing the valves 27 and 22. In an alternative arrangement, the evaporating jacket space is cylindrical, and the heating jacket space is disposed around its outside.
Patent GB-1439032-A (GB)
Title: Magnetite coating composition
IPC: C09D5/23
Filed: 1973-11-26
Abstract: 1439032 Magnetic coating composition E S COHEN and R H SHUBERT 26 Nov 1973 [30 Nov 1972] 54752/73 Heading C4A A magnetic coating composition such as a paint or printing ink is prepared by (a) dissolving ferric and ferrous salts in water the ratio of ferric to ferrous salt approximating to that of magnetite; (b) rapidly adding NH 4 OH to precipitate iron hydroxides and hydrated oxides; (c) heating the reaction mass to a temperature up to 95 C. to convert the precipitate to magnetite; (d) adding a siceative oil (e.g. linseed oil) to the heated reaction mass containing excess dissolved ammonia; (e) continuing the heating to above the boiling temperature to drive off any unreacted NH 4 OH whereby a thick gummy phase and an aqueous phase are produced; (f) removing any water from the gummy phase by heating; and (g) adding a volatile solvent thereto to form a coating composition. The iron salts may be chlorides or sulphates. Alternatively the ferrous salt may be waste pickle liquor and the ferric salts are produced by oxidation in situ. Turpentine may be used as solvent.
Patent GB-1303309-A (GB)
IPC: C30B13/00
Filed: 1970-11-18
Abstract: 1303309 Calcite single crystal PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 18 Nov 1970 [21 Nov 1969] 54818/ 70 Heading BIS A tablet of a entectic mixture of calcium charbonate with the carbonate and/or chloride of lithium and/or potassium is placed between a seed crystal and a polycrystalline calcium carbonate rod and then displaced in the direction of the length of the rod under the action of a moving temperature gradient, thus growing a single calcite crystal by floating-zone melting. The method may also be used to grow single crystals of a mixture of akaline earth carbonates, one of which is calcium carbonate.
Patent GB-1187910-A (GB)
Title: Improvements in or relating to Fluidic Devices.
Inventor: MOTT RICHARD C
IPC: F15C3/06
Filed: 1968-11-19
Abstract: 1187910 Fluidic bi-stable devices HONEYWELL Inc 19 Nov 1968 [21 Nov 1967] 54852/68 Headings G4B and B8 In a bi-stable switching fluidic device, Fig. 1, a body encloses circular passages 12, 13 axially intersecting at 90 degrees and disposed at 45 degrees to vertical. Outlet ports 14, 15 are situated at the upper ends and inlet ports 16, 17 at lower ends are connected over tubes 18, 19 to input pulse supply. A free spherical ball within the passages alternately closes ports 14, 15 and can occupy stable positions A, D at inlet ports 16, 17 and unstable positions B, C at outlet ports 14, 15. Initially a pressure pulse at inlets 16, 17 moves the ball from position A to C to close port 15 where it is held, so that the pulse escapes through port 14. On pulse cessation the ball falls back to position D from which it is moved by a second pressure pulse to position B where it similarly closes port 14 and allows pulse escape through port 15. Cessation allows the ball to fall back to position A, completing the cycle. Plural such devices can be cascaded, and loss of pressure does not result in loss of memory. In a modification, Fig. 2 (not shown), a removable closure block for resetting, may be placed over outlet port 15 (or 14) whereby a pressure pulse m moves the ball to the unblocked port and on pulse cessation it returns to position A (or D) at port 17 (or 16). In a further modification, Fig. 3 (not shown), auxiliary fluid inlets may be provided at the lower ends of passages 12, 13 adjacent to ports 16, 17 for reset and may alternatively pulse the device independently of ports 16, 17. The ball is then moved from position D (or A) to position B (or C) from which on pulse cessation it returns to position A (or D). Alternatively on/off valves may be provided in the legs of tube 18 so that only one inlet port 16, 17 is pulsed; thus producing a similar reset effect. The angular disposition of the passages may differ from those shown.
Patent GB-1126040-A (GB)
Title: Improvements in or relating to cabinets
IPC: B65D81/38
Filed: 1965-12-30
Abstract: 1,126,040. Refrigerators. CORNELIUS CO. 30 Dec., 1965 [2 Sept., 1965], No. 55254/65. Heading F4H. The outer shell of an insulated cabinet includes a joint 14 (Fig. 4) between two abutting edge portions 16, 17 which may have flanges 30, 31 as shown, and adhesive sealing means 33 which spans the joint and serves to hold edges 16, 17 together prior to the in situ foaming of plastics insulation 13. The sealing means is urged against the shell by the foam and subsequently serves as a vapour barrier; it may comprise a pressure-sensitive tape, putty or tar. As described, the shell is formed of two identical halves, and thus includes two joints 14, and has a top opening with a lid 21 (Fig. 3). A vinyl breaker strip 23 connecting the shell and liner is formed with a depending finger 26 and grooves 24, 25 for receiving the upper edges of the shell and liner, one wall 36 of groove 25 being cut away to accommodate flanges 30, 31. The shell extends below the liner to provide a compartment for refrigeration machinery (Fi g 1, not shown).
Patent GB-1496770-A (GB)
Title: 5-substituted alkyl-8-substituted-carbostyrils and-3,4-dihydrocarbostyril derivatives and production thereof
IPC: C07D215/26
Filed: 1974-12-22
Abstract: 1496770 Carbostyril derivatives OTSUKA PHARMACEUTICAL CO Ltd 27 Dec 1974 [8 Nov 1974 (4) 11 Nov 1974 (3)] 55929/74 Heading C2C Novel compounds Ia and Ib (R<SP>1</SP>, R<SP>4</SP> and R<SP>5</SP> are H or 1-4 C alkyl, at least one of R<SP>4</SP> and R<SP>5</SP> being alkyl; and R<SP>2</SP> and R<SP>3</SP> are H, 1-4 C alkyl, aryl-1-4 C alkyl or 4-6 C cycloalkyl; or -NR<SP>2</SP>R<SP>3</SP> is a 5- or 6-membered, optionally substituted, heterocyclic ring containing 1 or 2 N, O or S atoms as heteroatoms) and acid addition salts thereof are prepared by: (i) catalytic hydrogenation of a compound Ia to give a compound Ib; (ii) catalytic hydrogenation of a compound II or VIIb or (iii) alkylation of a compound VIIIa or VIIIb Compounds of Formulae II, VIIb, Villa and VIIIb are described and claimed in Specifications 1,496,871; 1,496,873; 1,496,875; 1,496,766 and 1,496,767 respectively. Pharmaceutical compositions, useful as bronchodilators, peripheral vasodilators and antihypertensives, comprise a compound I together with a suitable diluent and/or carrier.