baber/WOPTO huggingface dataset:
Patent GB-1544652-A (GB)
Title: Oil recovery apparatus
IPC: E03F5/16
Filed: 1976-11-03
Abstract: The apparatus has a gravity separation tank (24, 26, 28), which contains a plurality of coalescence devices (48) each of which are connected to a water outlet manifold (42) at the bottom of the tank. Valves allow backwashing of the coalescence devices (48) with water and cover elements (68) above each coalescence device then permit upward discharge of coalesced oil particles into the tank interior through a check valve (74) when the coalescence devices are backwashed. A hood (78) having a chimney-like tube (81) extends partway along each coalescence device and, during backwashing, directs the oil particles against the upper tank part. An inlet manifold (22) for the mixture entering into the tank is present. Probes (114, 118, 122) sense the height of the oil/water interface in the tank. With this apparatus it is possible to backwash only some of the coalescence devices without interrupting the feed of mixture into the tank. <IMAGE>
Patent GB-1016806-A (GB)
Title: Liquid pressure supply
Inventor: MARTEN HENRY RICHARD
IPC: F16N13/00
Filed: 1963-11-19
Abstract: 1,016,806. Reciprocating pumps; gear pumps. GEORGE RICHARDS & CO. Ltd. Nov. 19, 1964 [Nov. 19, 1963], No. 45692/63. Headings F1A and F1F. A pump for supplying liquid to a hydrostatic bearing is driven by a constant torque motion. As described the pump is driven by an electric motor supplied by a negative feed back amplifier.
Patent GB-1451623-A (GB)
Title: Method of prov8ding a patterned layer of silicon-containing oxide on a substrate
IPC: H01L21/30
Filed: 1973-10-01
Abstract: 1451623 Coated products MULLARD Ltd 1 Oct 1973 45771/73 Heading B2E [Also in Division Cl] A method of forming a patterned oxide layer consisting predominantly or entirely of silica on a substrate, comprises applying to the substrate a coating comprising a polymenisable siloxane material containing silicon-bound hydroxy groups and/or hydrolysable groups and an ultra-violet sensitive sensitiser which can be converted by ultra-violet radiation to an activated form which catalyses the formation of oxygen bridges between silicon atoms bonded to the hydroxy groups and/or hydrolysable groups in the polymerisable siloxane material, exposing the coating to ultra-violet radiation in accordance with a desired pattern, and then subjecting the exposed coating to a development treatment whereby the exposed areas of the coating are removed and finally converting the desired pattern of a silicon-containing material on the substrate into an oxide layer consisting predominantly or entirely of silica having the desired pattern. The sensitiser may have acidic or basic reactivity. Particularly preferred are triazines, particularly those in which the amino group belongs to a guanidine group, preferably a phenyl diazo guanidine, and in particular one having the structure of formula: in which (R) n  denotes 0, 1, 2, or 3 substituents and R 9  is hydrogen or methyl. Polymerisable monomeric or partly polymerised siloxanes may be used. Cyclic siloxanes are preferred, for example, those having ring structures of Si-O groups.
Patent GB-1283827-A (GB)
Title: Improvements in or relating to combustion apparatus
Inventor: CHESTERS ALLAN KNIGHT
IPC: F23R3/10
Filed: 1970-09-26
Abstract: 1283827 Combustion apparatus such as for gas turbine engines ROLLS-ROYCE Ltd 26 Sept 1970 45977/70 Heading F1L A combustion chamber comprises an annular intake for flow of primary air into the combustion chamber, the annular intake being divided by a deflecting member into at least two annular ducts, one duct being for the main flow of primary air into the combustion chamber whilst the other duct is for flow of air which is attached to the inner surface of the deflecting plate by the coanda effect when the combustion chamber is in operation. The flame tube shown in Fig. 1 comprises a cylindical portion 12 and a flared portion 10, also a fuel injector 20 which is mounted within ring member 18, an annular intake 22 being defined between the parts 12 and 18. A deflector member 14 is disposed between the parts to define two annular intake passages 24, 26, vanes 16 being disposed in the passage 24 and vanes 21 in the passage 26, the vanes 16 not producing swirl in the air-flow but the vanes 21 may produce swirl. The deflector member 14 comprises an upstream cylindical portion 14a and a downstream bellmouth portion 14b, the radius of curvature of which is R 1 . The width of the annular passage 26 is t and it is stated that the ratio t/R 1  must be between 1/5 and 1/13. Also that diameter A must be greater than diameter B and that angle # must be equal to or greater than angle #, the diameters and angles being as shown. The invention may be applied in the case of an annular flame tube.
Patent GB-1032935-A (GB)
Title: The use of gas diffusion electrodes in the control of chemical and electrochemical reactions
IPC: H01M8/04089
Filed: 1962-12-06
Abstract: 1,032,935. Automatic composition control. VARTA A.G. and SIEMENS-SCHUCKERTWERKE A.G. Dec. 6,1962 [Dec. 7, 1961], No. 46165/62. Heading G3R. [Also in Division G1] A chemical reaction in a reactor 2 Fig. 2 (not shown) is controlled by feeding through a pipe 5 to a gas diffusion electrode 6, a gas, such as a gaseous reactant or product which is present in a concentration dependent on the course or rate of the reaction and which is electrochemically absorbed on contact with the electrode to generate a signal for control purposes. The potential of the electrode 6 is maintained constant by a potentiostat 11 which is connected to a reference electrode 7, and a solenoid controlled valve 3 adjusts the velocity of flow of the drawn off gases in accordance with the current flow between electrode 6 and counter electrode 12. The chemical reaction may alternatively be controlled by varying the temperature or pressure in the reaction vessel. The arrangement may be applied to the control of gas diffision electrodes used as fuel cells.
Patent GB-1197281-A (GB)
Title: Improvements in Thin Film Circuits
Inventor: HALL LESLIE EDWIN
IPC: H01L49/02
Filed: 1966-10-17
Abstract: 1,197,281. Printed circuits. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 5 July, 1967 [17 Oct., 1966], No.46239/66. Heading H1R. To prevent hot spots forming during operation of a thin film circuit 2, Fig. 2, comprising deposited resistors on a glass substrate 1, there is provided a heat sink layer 3 of electrically insulating material or coated with insulation e.g. unglazed alumina or beryllia, or anodized aluminium attached to the thin film by adhesive and having a higher coefficient of thermal conductivity than the glass. Several circuits may be clamped together as shown between metal plates 4, 5 and cooling fins 8, 9.
Patent GB-1168642-A (GB)
Title: Dispenser for Particulate Material.
Inventor: JAMES MICHAEL
IPC: B65D47/24
Filed: 1966-10-17
Abstract: 1,168,642. Container closures. COTY (ENGLAND) Ltd. 13 Oct., 1967 [17 Oct., 1966], No. 46252/66. Heading B8T. A dispenser comprises a container 1 and a dispensing member 10 slidably movable axially of the container neck 2 to shut off apertures 12 in a body portion 11 from the interior of the container by engagement of a surface 14 of the body portion 11 with a surface 5 of an insert 3. Annular ridges 7 and 16 engage to keep the dispenser member in a closed position. To open the dispenser a skirt 15 is pulled up and out by means of an annular ridge 18; complete removal is stopped by engagement of annular ridges 7 and 17. In a modification, Fig. 5 (not shown) the dispenser member has an inner skirt (35) having an annular ridge (37) on its inner surface which engages annular ridges (26) and (27) on the outer surface of the container neck. In plan view the dispenser is generally rectangular but it may alternatively be of circular construction.
Patent GB-1222903-A (GB)
Title: Organosilane mould lubricants
IPC: B22C3/00
Filed: 1969-09-19
Abstract: 1,222,903. Alkoxy silanes. DOW CORNING CORP. 19 Sept., 1969 [17 Oct., 1968], No. 46293/69. Heading C3S. [Also in Division C5] Organosilanes, used in mould lubricants, of the formula R a Si(OR<SP>1</SP>) 4-a , where R = C 1 -C 6  alkyl, R<SP>1</SP> = C 8 -C 30  alkyl and a is 1, 2 or 3 are prepared by reaction of RaSiCl 4-a  with an alcohol R<SP>1</SP>OH. Specific compounds used in the examples are and
Patent GB-1121138-A (GB)
Title: Improvements in and relating to fans
IPC: F04D17/16
Filed: 1965-11-02
Abstract: 1,121,138. Fan motors. AMETEK Inc. 2 Nov., 1965 [21 Dec., 1964], No. 46342/65. Heading H2A. [Also in Division F1] In a fan, e.g. for corrosive or hot gases, fumes and explosive gaseous mixtures, having a housing 10, Fig. 1, provided with two segmental flow ducts 12, 13 each containing flow straightening vanes (31), Fig. 6 (not shown), the ducts are separated by a protective transverse chamber 11 for the driving means, e.g. a motor 16 or a belt and pulley, for a mixed-flow impeller 9. The impeller may have blades 35 on its under surface to draw air through chamber 11 and through an annular gap around the impeller hub to cool the driving motor 16 and prevent leakage of destructive fumes into the chamber 11. The motor and impeller unit may be slid out of the chamber 11 on tracks 38, 39 after removal of one half 14A of the conical inlet portion 14 of the housing, the trough 28 and a part (2 , 7), Fig. 5 (not shown), of the upstream wall of the chamber. The tracks may be omitted and the motor and impeller unit bolted to a plate.
Patent GB-926724-A (GB)
Title: Electrolytic process for the preparation of pure metals in compact form and an apparatus for carrying out the process
IPC: C25C7/06
Filed: 1961-12-28
Abstract: 926,724. Dense cathode electrodeposits in fused halide electrolysis. EUROPEAN ATOMIC ENERGY COMMUNITY (EURATOM). Dec. 28, 1961 [Dec. 28, 1960], No. 46528/61. Class 41. Pure metals are electrodeposited in compact form from salt melts characterized in that during the electrolytic precipitation, under non- oxidizing conditions, the formation of a dendritic structure is inhibited by repeated application of mechanical pressure to the deposit surface. The mechanical pressure is adjustable and is applied continuously progressively and positively over the whole surface of the exposed cathode and the electrode rotates. As an illustration, Fig. 1 shows anode crucible 1 of graphite containing fused salts 2 and cathode 3 with cathode equipment mounted centrally. The fused electrolyte, e.g. alkali chloride mixture plus fluoride or chloride of metal required, is electrolytically decomposed to deposit the metal on the cathode which should be fabricated from the same metal. For example, tantalum can be deposited on a tantalum cathode from an alkali chloride mixture containing 10-20% of K 2 TaF 7  or TaCl 5 . Cathode 3, immersed in a fixed position relative to the fused salt electrolyte, is reversibly rotated through shaft 5 by reversible motor 4. Coupling shaft 5 has a screw-thread 6 engaging with collar 7 which is continually reversibly driven to and fro up and down the length of the screw thread for the distance required thereon to correspond with the depth of immersion of the cathode. Collar 7 carried levers 9 via supports 8. Pressing rollers 10 which engage the cathode deposit to perform the object of the invention are secured to and controlled by levers 9. The operating pressure can be varied through the agency of hydraulic ram 11. The moving structure and rotating electrode is held rigid by framework 12. A single treatment cycle, namely an upward and downward travel of the rollers 10 should last for not more than from 1-2 minutes depending upon the amperage and cathode surface. The cathode equipment must be of high-temperature and corrosion-resistant alloy steels coated with sprayedon ceramic insulation of alumina, silicates or the like; conveniently the rollers are of highly refractory and insoluble materials such as borides, carbides, nitrides or oxides which also ensure the required electrical insulation. The process and apparatus of the invention can also be used for purifying impure metal, which is introduced anodically by scattering the impure metal, e.g. tantalum, over the base of the graphite crucible to act as soluble anode material. The invention is applicable to metals which are plastically deformable at temperatures below the associated temperature of their electrolytic salt melt such as thorium, plutonium, uranium, titanium, niobium, zirconium, hafnium, beryllium, the rare earth elements and tantalum.
Patent GB-1118290-A (GB)
Title: Suction box cover
IPC: D21F1/52
Filed: 1966-10-18
Abstract: 1,118,290. Papermaking. TEXAS INSTRUMENTS Inc. 18 Oct., 1966 [24 Oct., 1965], No. 46562/66. Heading D2A. In a papermaking machine in which a travelling screen is drawn over one or more suction boxes, the suction box has a cover with a screen-contacting surface and a channel in that surface extending wholly or substantially wholly across the cover in the cross-machine direction to supply liquid between the screen and the cover. As shown, a suction box has a cover 20 provided with openings 26 and channels 27. The cover may comprise segments mounted side by side with their channels in line. The liquid may be water and serves to lubricate the screen. Chemicals may be added to it for lubricating or cleaning purposes, for colouring or to eliminate pitch.
Patent GB-1329444-A (GB)
Title: Process for the production of photographic images
IPC: G03C5/60
Filed: 1970-10-01
Abstract: 1329444 Photographic processes AGFAGEVAERT A G 1 Oct 1970 [4 Oct 1969] 46694/70 Heading G2C A photographic process for producing negative visible images comprises imagewise exposing alayer containing a simple or complex salt of a metal of group VIA, VIIA or VIII of the Periodic Table with a mono- or poly-carboxylic acid and treating the layer with a compound containing an -o-o-group thus producing a visible image either (i) physically by formation of vesicles (in which case the salt is dispersed in a binder) or (ii) chemically by carrying out the treatment in the presence of a reactantfor a colour-forming oxidation reaction. Specified salts are Fe, Co and Mn salts with oxalic, citric, tartaric, malic, lactic, mucic, succinic, butyric or glycolic acid. In the example, ferric ammonium citrate, potassium ferricyanide and gelatine are coated on a support, imagewise exposed to water vapour to produce a coloured image which either (i) intensified by treatment with hydrogen peroxide and a colour-forming reactant or (ii) a vesicular image produced by treatment with hydrogen peroxide vapour. Alternatively, (a) cobalt ammonium oxalate and potassium ferricyanide or (b) ferric ammonium oxalate and platinum chloride may be applied to a supported titanium dioxide/carboxymethyl cellulose layer or (c) manganese oxalate and gelatine may be applied to a support, imagewise exposed and treated with H 2  O 2  and a colour-forming reactant.
Patent GB-983786-A (GB)
Title: Improvements in and relating to apparatus for manipulating self-tapping sheet metal screws
IPC: B25B23/10
Filed: 1963-12-02
Abstract: 983,786. Screwing up devices; chucks. G. H. ROHM. Dec. 2, 1963 [Dec. 14, 1962], No. 47517/63. Headings B3B and B3N. A screwdriver attachment for a pneumatic or electric motor comprises, three jaws 32 for holding the stem of the screw, a sleeve 2 for centering the screw, and a replaceable tool 7 for engaging the screw. The jaws are held together by springs 3 and 4, and the jaws are spring urged to the left by a spring 8, which engages spring 3. Shaft 12 is connected to the motor, and has a square aperture for tool 7, the latter being held in the aperture by a spring- urged ball 29. A spring 13 in the shaft bore engages a coupling bolt 11, and a guide sleeve 9 has a left-hand thread for adjusting it in casing 17. The jaws may be smooth, or they may be provided with screwthreads to engage the screw. The jaws also have a shoulder 25, extending along their peripheries which co-operate with surfaces 26 in casing 17, the shoulder and the surfaces 26 having the same radius of curvature and inclination.
Patent GB-1336344-A (GB)
Title: Positive displacement pump
IPC: F04C2/18
Filed: 1971-10-13
Abstract: 1336344 Rotary Gear Pump FORD MOTOR CO Ltd 13 Oct 1971 [22 Dec 1970] 47591/71 Heading F1F In a gear pump assembly comprising a single drive gear 10 and a pair of driven gears 12, 14 forming a pair of pumping units, each drawing fluid from a reservoir 18 via inlet lines 16 and 22 respectively and delivering via lines 15 and 20 to a common output line 26, a pressure-regulating by-pass valve 28 receives pressure fluid via a port 36 to act differentially on the lands 48 and 50 of a spool 38 to move the spool against a spring 58 and a control pressure admitted via port 62, first to open communication between a port 30 and a feed port 60, then to connect port 32 to port 54 and by-pass line 56, to return fluid to the inlet line 22, a check valve 24 preventing its return to the reservoir. In a practical arrangement, Fig. 3 4, suitable for use in a vehicle automatic power transmission system, the gears are located in a recess 66 in a main housing 64, a cover plate 78 being secured thereto with the interposition of a separator plate 84 which is apertured to connect the various passageways which are formed in the housing 64 and the cover plate 78. The by-pass valve is also formed within the housing 64. Lubricating passages are provided, Fig. 8 (not shown).
Patent GB-1065467-A (GB)
Title: Process and device for the production of melamine
IPC: B01J8/00
Filed: 1965-11-10
Abstract: Melamine is prepared from dicyanogen diamide in a vertical fluidized catalyst bed operated with NH3 at 300-400 DEG  C. with separation of the formed melamine by sublimation, wherein dicyanogen diamide of smaller particle size than the catalyst grains is uniformly dispersed by a high-speed current of NH3 which is blown laterally through a nozzle into the vertical fluidized catalyst bed and the melamine sublimating off is separated out above 150 DEG  C.
Patent GB-1031953-A (GB)
Title: Apparatus for discharging an inductance
IPC: H02M1/32
Filed: 1964-11-24
Abstract: 1,031,953. Excessive voltage protection. MATERIEL ELECTRIQUE S.W. Nov. 24, 1964 [Nov. 29, 1963]. No. 47737/64. Headings H2F and H2H. A circuit to reduce the induced voltage across an inductor L when disconnecting from the supply 1, 2 comprises a potential divider R1, R2 which, on reversal of the voltage across the inductor, applies through a Zener diode Z a trigger voltage to a controlled rectifier T. With the supply connected as shown, a diode D forwardly biases the Zener diode Z and reverse biases the controlled rectifier T.
Patent GB-1052639-A (GB)
Title: Improvements in or relating to counting mechanisms
Inventor: EDWARD ALBERT TOMLIN
IPC: B41L39/02
Filed: 1962-12-21
Abstract: 1,052,639. Printing apparatus. GESTETNER Ltd. Dec. 6, 1963 [Dec. 21, 1962], No. 48469/62. Heading B6C. [Also in Division G4] In a counting mechanism, e.g. for a duplicating or like machine, a ratchet-wheel is adapted to be advanced by a tooth for every operation of the machine, there being means controlled by the ratchet-wheel for stopping the machine when it reaches a predetermined position, means for setting the ratchet-wheel to a selected position and a releasable adjustable abutment lockable in a preset rotational position, a pawl rotatable with the ratchet-wheel being engageable with the abutment for preventing movement of the ratchet-wheel past the initial adjusted position of the abutment. In the form described there are two ratchet-wheels 102, 104, Fig. 4 (not shown), each with one hundred teeth, there being a carry mechanism between the units wheel 102 and the hundreds wheel 104. A mechanism operable when both are in their zero position stops the machine. Each wheel is set by a knob, the knobs 14, 16 being arranged concentrically on spindle 100. Numeral dials 26, 28 connected to each ratchet-wheel indicate concentrically on spindle 100. Numeral dials 26, 28 connected to each ratchet-wheel indicate their positions through a window 18. A pawl 118 on the units wheel assembly co-operates with an abutment tooth mounted on a washer 106 concentric with the wheels. The washer is carried round during an initial setting of the units wheel and may be locked in the set position by a nut 112 tightened on thread 114 by rotation of a knob 116. Thereafter the setting is repeated by rotation of knob 16, until the pawl 118 engages the abutment tooth. The setting of the units wheel may in a second embodiment be repeated automatically by a mechanism, Fig. 2 (not shown) having a plate 30 movable axially on shaft 44 and having a projection 36 adapted to be engaged in one of a hundred recesses mounted on a circle. The plate 30 is moved axially to lock or unlock by a linkage 54, 60 and cam 66 controlled by knob 24. The plate 30 has a projection whereby it is carried round by a pin 34 mounted on the units wheel during initial setting. The plate 30 is then locked by movement of knob 24. A plate 70 co-axial with shaft 44 is connected by a spring 78 with plate 30. Plate 70 has a projection co-operating with pin 34, whereby it is carried round relatively to plate 30 as the ratchet moves during the counting process. When the zero position is reached and the machine stopped, the counting wheel is released and spring 78 rotates the plate 70 and, with it, the units wheel until it reaches the projection on plate 30. This resets the units wheel to the initial setting. The hundreds wheel does not have the repeat setting since it is provided only for the purpose of making a small number of copies of each of a series of master sheets.
Patent GB-1090822-A (GB)
Title: A water treatment process
IPC: C02F5/02
Filed: 1964-11-30
Abstract: Magnesium oxide in a finely divided (less than) 1 micron), substantially unhydrated state is reacted with bicarbonate hardness in water to provide the magnesium in solution as magnesium carbonate and then the water is treated with lime which precipitates the magnesium as a coagulant for other finely divided solids in the water.
Patent GB-1286946-A (GB)
Title: Improvements in a driving mechanism for a reciprocable member, such as a wiper for a vehicle windscreen or headlamp
IPC: B60S1/34
Filed: 1970-10-16
Abstract: 1286946 Cleaning vehicle head-lamp lenses ROBERT BOSCH GmbH 16 Oct 1970 [18 Oct 1969] 49194/70 Heading A4F [Also in Divisions E2 and H1] A windscreen or a vehicle head-lamp lens is provided with a wiper 7 which is moved to and fro over the lens surface by a telescopic rod 6 extended and controlled by a cable 5 wound on and unwound from a drum 3, rotated by a reversible electric motor 4, the reversal of which is controlled by a switch 16 having an actuating element 15 connected by a leaf spring 14 to a peg 13 engaged in a spiral guide track on the drum 3. Pins 10 and 11 are set where required in the guide trails to engage the peg 13 and actuate the switch 16 to reverse the motor 4 when the wiper 7 has moved a required distance in one direction. Alternatively the switch 16 is actuated by one of the pins 10, 11 to reverse the motor and by the other to stop it.