baber/WOPTO huggingface dataset:
Patent GB-493109-A (GB)
Title: Manufacture of substituted aliphatic carboxylic acids
IPC: C07C51/347
Filed: 1937-03-31
Abstract: Products useful as wetting, washing and cleansing agents are prepared by condensing a halogenated aliphatic or cycloaliphatic hydrocarbon, in the presence of a bivalent metal with an acid having the formula RR1COOH wherein R is an aromatic hydrocarbon radicle and R1 is an aliphatic hydrocarbon radicle.  In examples: (1) a chlorinated middle oil obtained by hydrogenating coal and containing aliphatic and naphthenic hydrocarbons is condensed with hydrocinnamic acid, molten phenylacetic acid, a  : b -dimethyl-g -phenylbutyric acid and with cinnamic acid using zinc or a zinc amalgam as condensing agent; (2) a petroleum fraction chlorinated in the presence of copper or iron is condensed with phenylpropionic acid and a -phenyllauric acid; the addition of a little zinc improves the colour of the product; (3) tetradecylchloride is condensed with a -naphthylacetic acid.  The use of cresylacetic and xylenylacetic acids is mentioned.
Patent GB-310839-A (GB)
Title: Improvements relating to automatic burglar alarms and to electrical instruments for use therefor
IPC: G08B29/18
Filed: 1929-03-21
Abstract: 310,839. Egai, A. May 1, 1928, [Convention date]. Theft and like alarms. - In a burglar alarm system, guard wires 26<1>, 26<2> are connected in series with differen tially acting coils 7, 8, of an ohmmeter, and a resistance is so adjusted that a contact carried by the ohmmeter needle 2 is normally midway between two fixed contacts 19<1>, 19<2>. If either of the guard wires 26<1>, 26<2> is tampered with so as to vary its resistance, the pointer 2 makes contact with one of the fixed contacts 19<1>, 19<2> and short-circuits a normally energized relay 21, causing the armature 22 to drop and close the circuit of alarm bells 25<1>, 25<2>. The alarm is set by means of a lock 30, the bolt 31 of which during its travel engages contacts 32', 32<2>, 32<3>, and at the ends of its travel operates through an insulating member a contact 33 connected to the battery 9. The contact 33 co-operates with a contact 34 which can also be connected, by operating a button 35 with a contact 36 connected to the positive pole of a battery 24<1>. By shooting the bolt 31 and depressing the button 35, the battery 24<1> is put in series with the battery 9 and with the relay coil 21, thus lifting the armature 22. When the motion of the bolt 31 is completed, the contacts 33, 34 are separated, disconnecting the battery 24<1>, but leaving the battery 9 connected to the relay coil 21, which is thereby sufficiently energized to retain the armature 22 in its raised position. A milliammeter 40 may be provided in the relay circuit.
Patent GB-315391-A (GB)
Title: Improvements in luminous electric discharge tubes
IPC: H01J61/10
Filed: 1929-03-21
Abstract: 315,391. General Electric Co., Ltd., (Assignees of Patent-Treuhand-Ges. f³r Elektrische Gl³hlampen). July 14, 1928, [Convention date]. Vacuum tubes low-pressure metallicvapour apparatus. - The discharge in a gas or vapour lamp is guided through a hollow member of conducting refractory material preferably of metal such as tungsten which may be formed with interstices along its length so that the positive column is confined inside the member, possibly by a space charge outside. The hollow guide 16 may consist of a perforated sheet or of crossed wires or strip, and may be of oval, cylindrical, or prismatic shape. It is supported by nickel or molybdenum sleeves 15 on the necks of vessels 10 of quartz or ceramie material such as magnesium oxide which enclose the electrodes 7 and are connected together by rods or tubes 13, the structure being loosely mounted on foot tubes 3. The electrodes have enlarged heads carrying a material 9 which ensures the starting of a discharge and gives a good electronic emission. Sleeves 17 of quartz or ceramic material surround the electrodes so as to confine the discharge. The filling may consist of common gas such as nitrogen or carbon dioxide, rare gases such as neon, helium, or argon, or a mixture of rare and common gases. A metal such as mercury may be introduced or may form one or both of the electrodes. In modifications the hollow guide consists of (a) straight wires over which one or more wires are wound helically (b) straight wires mounted on an internal wire helix, (c) gauze covered with light-transmitting foil of refractory metal which may be chosen so as to modify the light emitted, or (d) a structure made of non-conducting rare earth oxides such as thorium, cerium, or scandium oxide, impregnated with molybdenum. Perforated plates may be built into the guide so as to increase the intensity of the light at certain points. Visible and infra-red radiation is obtained from a lamp with tungsten wire gauze, and ultra-violet light from the mercury filling. In the arrangement shown in Fig. 6, the electrode 8 is supported by an insulating disc 25 on a sleeve of magnesium oxide threaded over a pinch 4, and the lead 5 is surrounded by a tube 27 of insulating material. The electrode may evolve gas emitting light.
Patent GB-843302-A (GB)
Title: Substandard-gauge motion picture projector, with a sound recording and reproduction head for magnetic-track recording and playback
IPC: G11B15/34
Filed: 1958-03-21
Abstract: 843,302. Magnetic recording apparatus. GUGLIANTINI, C., and PIERINI, L. March 21, 1958 [March 23, 1957], No. 9176/58. Class 40 (2). A cine projector for sub-standard films having record transducers co-operating with a magnetic strip or track is provided with a wormgear feeding mechanism drives the film reels, and flywheel devices driven by two friction rollers driven by the film and arranged on both sides of the transducer for regularizing the speed of the film thereover. Film is fed through the picture gate 34 by a claw mechanism and sprockets 27, 28 driven by worm-gears 23, 24, respectively, on a shaft 16. The take-up reel 32 is driven by means, not shown, coupled to worm-gear 23. Between the picture gate and sprocket 27, the film passes over rollers 37, 38 arranged each side of a magnetic transducer 36, and even speed thereover is effected by flywheels 39, 40 on the shafts of the rollers 37, 38, the said flywheels being engaged by a shaft 47 resting thereon and carrying a flywheel 46.
Patent GB-331206-A (GB)
Title: Improvements in or relating to machinery for packing cigarettes
IPC: B65B19/02
Filed: 1929-03-22
Abstract: 331,206. Molins, W. E. March 22, 1929. Separating packets.-Double pocket cartons, such as are described in Specification 305,750, axe divided into single cartons, Fig. 3. The stacker 71, Fig. 2, of the prior Specification, is provided with a chain conveyer 100 which feeds the packets along a bed 102 and beneath a pair of cutting discs 103, 104, which cut the hinged flaps to form two single packets. The flaps 106 are turned up by folders 105, and the packets may be forwarded to a wrapping machine. The severing means may be arranged to completely remove the hinged flap, and thus produce two open-mouthed packets.
Patent GB-416107-A (GB)
Title: New or improved infuser for tea, coffee and the like
IPC: A47G19/16
Filed: 1933-03-29
Abstract: 416,107. Tea, infusers. PEEL, R., 15, Marlborough Street, Chorley, Lancashire. March 29, 1933, No. 9405. [Class 129.] An infuser for tea, coffee or the like comprises a pair of permeable cap-like members 1, 2 pivoted together about an axis at right angles to their flat open faces. Each member is formed of wire mesh secured to a wire frame 3, 4, and each frame has a pair of wires extending therefrom, one of the pairs being extended to form a handle 8 or part of a handle. Each pair of wires is connected to one of two plates 9, 10, which are pivoted together at 11. The upper cap 1 can be rotated over the face of the lower cap 2 by gripping the member 14 and rotating it about the pivot or eyelet 11.
Patent GB-778577-A (GB)
Title: Improvements relating to suction cleaners
IPC: A47L9/24
Filed: 1956-03-26
Abstract: 778,577. Suction cleaners; flexible hoses; hose couplings. HOOVER, Ltd. March 26, 1956 [April 6, 1955], No. 9418/56. Classes 8(1), 99(1) and 99(2) A suction cleaner has a hose-storage compartment 41, Fig. 1, within or alongside a filter casing 25 having a suction inlet 36, the hose 10 being extendible to between 2 and 4 times its contracted length and an end coupling 16 for connection to the suction inlet 36. The cleaner shown is of the handle-propelled type whereinthe inlet 36 forms a converter port normally closed by a flap valve 55. On withdrawing the hose from the compartment 41 and coupling the end 16 to the inlet 36 by engagement of opposite sides of a spring latch 51, Fig. 4, in a groove 50, a hand grip 46 secured to the other end coupling 15 may be provided with a wand 42, Fig. 5, and and off-the-floor cleaning attachment. The hose 10 comprises a thin flexible tube 11, Fig. 3, formed with a deep helical corrugation providing inwardly and outwardly opening corrugations 18, 17 reinforced by a wire coil 12. The turns 19 of the coil 12 are in contrast and the tube 11 is uncorrugated at both ends of the hose.
Patent GB-1107498-A (GB)
Title: A semiconductor device and its fabricating method
IPC: H01L25/03
Filed: 1967-02-28
Abstract: 1,107,498. Semi-conductor devices. MATSUSHITA ELECTRONICS CORPORATION. 28 Feb., 1967 [9 March, 1966], No. 9426/67. Heading H1K. A semi-conductor device comprises an insulating body provided with a plurality of parallel ridges each having a recessed portion and having a metal film extending over its upper surface and the recessed portion, a semiconductor element mounted in the recess of one ridge and electrically connected to the metal films in the recessed portions of the other ridges, and a sealing material covering the element but having its surface lower than the surfaces of the unrecessed portions of the ridges. As shown, Fig. 2, a body 1 of ceramic is produced by press-moulding to provide three longitudinally extending ridges 2 each ridge being provided with spaced recesses 3. The top surface of each ridge is metallized with molybdenum, and plated with nickel and gold to form conductive layers 4. The collector region of a passivated silicon transistor 5 is secured to the conductive layer of each recess in the central ridge and the base and emitter electrodes are connected by wires 6 to the conductive coatings in the recesses of the two outer ridges. The recess in the centre ridge is arranged to be deeper than those in the outer ridges by an amount equal to the thickness of the semiconductor device to facilitate the connection of wires 6 by a thermocompression bonding machine. Each of the transistors 5 and their connecting wires 6 are then encapsulated with epoxy resin in such a manner that the surface of the resin is below the surfaces of the unrecessed portions of the ridges, Fig. 3 (not shown). The body 1 is then severed to produce individual devices which may be face bonded to a printed circuit. The method may also be applied to diodes by providing only two ridges on the ceramic body.
Patent GB-1536585-A (GB)
Title: Devices for joining two structural components
IPC: E06B3/68
Filed: 1976-03-10
Abstract: 1536585 Insulating glazing frame SWISS ALUMINIUM Ltd 10 March 1976 [11 March 1975] 09454/76 Headings E1J EIR and E2B [Also in Division F2] Two frame members 1, 2 having undercut grooves 4 are joined by a plastics insulating device 3 which comprises two end portions 11, 12 each capable of entering the slot and then making anchoring engagement with flanges 5, the end portions being on two ports 6, 7 of the device respectively, the parts being connected by a member 9 which extends along an axis between the end portions and which is in screw-threaded engagement with one part and is integral with or in screw threaded engagement with the other part. The end portions may be fork shaped (11) or hammer head (12), the latter engaged by turning using the lever 17 or a special spanner. Spacers 8 or panel retaining members may be incorporated in the device.
Patent GB-729615-A (GB)
Title: Improvements in or relating to cold metal reduction by rolling, drawing and extrusion
Inventor: CAVANAUGH GEORGE SYLVESTER
IPC: B21B45/02
Filed: 1953-04-08
Abstract: A solution of water-soluble sulphonate of castor oil of 1/2 to 10 per cent by volume is used as a lubricating and coolant solution in metal rolling, drawing and extrusion operations.  The cloud point may be reduced by neutralizing with ammonia.  The solution is immiscible to mineral oil contamination which may be decanted off.ALSO:A solution of water-soluble sulphonate of castor oil of 1/2 per cent to 10 per cent by volume is used as a lubricating and coolant solution in metal rolling, drawing and extrusion operations.  The cloud point may be reduced by neutralizing with ammonia.  The solution is immiscible to mineral oil contamination which may be decanted off.
Patent GB-492908-A (GB)
Title: Improvements relating to emergency lighting and power means
IPC: H02J9/02
Filed: 1937-04-05
Abstract: 492,908. Electricity supply. BATTERIES, Ltd., and DOWSETT, G. H. April 5, 1937, No. 9539. [Class 38 (iv)] Substituting sources in service.-Emergency electric supply apparatus in which, on failure of the mains, a battery supplies lamps &c., is provided with a manually controlled master switch having three to six settings for opening and closing in various combinations, the main supply circuit and the several emergency circuits. The main A.C. circuit controlled by switch M supplies the primary a of a transformer having three secondaries b, d, e. Secondary e charges the battery through rectifers f when switch C is closed. Secondary d energizes coil h of relay g by which secondary b supplies a lighting circuit c<3>. When the main supply fails, switch g automatically connects circuit c<3> to the battery. Switches C, B and LT, when open, cut out respectively the charging circuit, the battery supply circuit to the lamp circuit c<3> and the main supply to the circuit c<3>. The master switch is of the rotary drum type and closes switches M, B, C, LT in various combinations, six different positions being shown in Fig. 2. In a modification, the emergency system is associated with D.C. mains.
Patent GB-574485-A (GB)
Title: Method of preparing cyanamide
IPC: C01C3/16
Filed: 1943-06-15
Abstract: 574,485. Cyanamide. AMERICAN CYANAMID CO. June 15, 1943, Nos. 9573 and 9574. Convention dates, June 12, 1942, and June 23, 1942. [Class 1 (ii)] Cyanamide is obtained by precipitating calcium from a slurry of calcium cyanamide, e.g., by means of carbon dioxide, sulphur dioxide or sulphuric acid, in an atmosphere of carbon dioxide the feed of calcium cyanamide being so regulated by a pH control. device that the solution is maintained at pH 4.0-7.2 and by a temperature controller to maintain the temperature at 0-55‹ C. Solid carbon dioxide is the preferred precipitant. The system as shown in Fig. 1, is charged with water or a weak solution of cyanamide from a previous operation. Calcium cyanamide is supplied from a feeding device 6 into a tank 7 in a line 8, and the resulting slurry passes through valves 9 and 16 and a feed line 4 into a storage tank 11 under the action of a pump 5. Carbon dioxide from a feeding device 10 is also passed into the tank 11. The mixed slurry passes into a stirred water-jacketted closed vessel 1 provided with a leg 12 submerged in liquid 13 for the escape of excess carbon dioxide, a pH controller 22 and a temperature controller 23. Controllers 22 and 23 are electrically connected with the motor which drives the calcium cyanamide feeder so as to stop the feed when the pH or temperature rises above the predetermined limit. The reaction magma leaves the vessel 1 by line 14. By operating a valve 17 part or all of the circulating magma may be passed through the tank 7. By closing the valve 16 and opening a valve 18 (preferably when a slurry containing 20-30 per cent. solids has been obtained), the reaction-magma may be passed to a filter 19, the filtrate being discharged into a container 21. The filtrate may be combined with wash water from the filter cake and returned to the apparatus for a further extraction. By making three such extractions the cyanamide concentration may reach about 25 per cent. while the dicyandiamide content is about 1.5 per cent.
Patent GB-747258-A (GB)
Title: Improvements relating to guides for mechanism of variable speed gears or brakes of cycles
Inventor: BOULSTRIDGE THOMAS JAMES
IPC: B62K19/40
Filed: 1953-04-09
Abstract: 747,258. Control mechanism for cycles. PHILLIPS & CO., Ltd., J. A. April 8, 1954 [April 9, 1953], No. 9631/53. Class 136 (1). A guide for the operating cable of a variablespeed gear or brake mechanism of cycles comprises an arcuate channel part 1 adapted to receive the cable 11, a flange 3 forming a wall of the channel part 1 having an extension parallel to the wall forming an attachment portion 4 (Fig. 1) and having an eye 5 concentric with the arc of the channel part 1 for the passage of the seat pillar clamping bolt 6 (Fig. 5). The other wall of the channel is formed by a flange 2. The flanges 2, 3 may be parallel or the flange 2 may be helical in form. The attachment plate 4 may be disposed slightly to the side remote from the channel 1 or the plate 4 and flange 3 may lie in the same plane. As shown in Fig. 4, the guide is formed from two pressings 7, 8. The attachment plates 4a, 4b are welded together to form the attachment portion 4 of the guide.
Patent GB-113260-A (GB)
Title: Improvements in or relating to Burners for Gascookers and the like.
Inventor: WELSENAAR JOHANNES HENDRIK
IPC: F24C3/12
Filed: 1917-07-04
Abstract: 113,260. Welsenaar, J. H. Feb. 8, 1917, [Convention date]. Valves actuated indirectly. - In a burner for gas cookers and the like in which a spring- controlled gas valve 4 is opened by the weight of the object to be heated, the gas supply and the internal air supply are simultaneously regulated by means of hit- and miss disk-shaped regulators 9, 11 operated by a handle 15 and arranged together with the valve spindle 5 of the valve 4 concentrically with the burner tube, the regulator being within the burner.
Patent GB-1158607-A (GB)
Title: Improvements in or relating to Tunnel Driving Machines
IPC: E21D9/11
Filed: 1967-03-01
Abstract: 1,158,607. Tunnelling machines. MASCHINENFABRIK HABEGGER A.G. 1 March, 1967 [19 March, 1966], No. 9729/67. Heading E1F. In a stepwise advanceable tunnelling machine driven, peripheral cutting heads 13 are rotatably mounted on the outer periphery of a segmental shaped member 2. The machine may have more than one member 2. The or each member 2 has an outer periphery corresponding to a part of the desired profile of a tunnel to be formed by the machine as the or each member is swung about a column 1 so disposed in the body 6 of the machine as to be at right angles to the axis of any tunnel being driven by the machine. Advance of the machine, when the column 1 is released from being anchored against the tunnel wall at the completion of a cutting cycle by the member or members 2, is by appropriate operation of feed means extending between the body of the machine and tunnel-engaging tracked means 22.
Patent GB-400845-A (GB)
Title: Improvements in precombustion chambers for diesel engines
IPC: F02B19/14
Filed: 1933-03-31
Abstract: 400,845. Oil engines. DAIMLERBENZ AKT.-GES., Untert³rkheim, Stuttgart, Germany. March 31, 1933, No. 9771. Convention date, March 31, 1932. [Class 7 (iii).] A pre-combustion chamber c is mounted eccentrically in the cylinder head of a Diesel engine and is formed by three parts f, g, h, which may be separated from the cylinder walls by insulating-material, screwed together and inserted in the cylinder as a unit. The part h has an upward sleeve-like extension which passes through the cooling-jacket b and which embraces the fuel injector d, so that the injector can be removed without draining off the cooling-water. The injector holds the parts of the pre-combustion chamber in position, and an incandescent heating-spiral e is provided.
Patent GB-117136-A (GB)
Title: Improvements in or relating to Lock-stitch Sewing Machines.
IPC: D05B57/14
Filed: 1917-07-06
Abstract: 117,136. Singer Manufacturing Co., and Corrall, H. July 6, 1917. Sewing-machines; lock-stitching by hooks.-In a rotary-hook performing two rotations for each oscillation of the needle, the hook-body 1 is formed with an internal flange 2 which provides an open raceway for a rib 3 on the bobbin-case 4. Between the point 9 of the hook and the heel 10 is a gap closed by a guard 11 and subtending an angle of approximately 45 degrees at the centre of the hook-body and the heel of the hook is also sloped at 45 degrees. The bobbin-holder has lugs 5, 6 between which engages a lug 7 on a fixed bar 8 which prevents rotation of the holder. The lugs 5, 6 are inclined at 14, 15, the inclination of the edge 15 on the castoff side being approximately that of the heel 10. The forward face of the bobbin-holder is provided with a tensioning spring 16 adjacent to a thread-guiding passage traversing the lug 5. The periphery of the rib 10 is constituted by two semicircles of the same diameter but different centres, the distance between the centres being approximately equal to the thickness of the thread. The bobbin-case is retained in the hook-body by a helical spring 18 which bears against it and is mounted on a lever 19 secured by a latch 20 and provided with a heel 21 which may be brought into contact with the bobbin case to serve as an ejector.
Patent GB-689787-A (GB)
Title: Improvements in or relating to methods of and means for lubricating chain drives
Inventor: WARWICK KENNETH BERNARD
IPC: F16H57/05
Filed: 1950-04-21
Abstract: 689,787. Chain gearing. KING, Ltd., G. W. Feb. 15, 1951 [April 21, 1950] , No. 9875/50 Class 80 (i). [Also in Group XXXIV] A sprocket wheel 10 is driven by gears interposed between its teeth 10<SP>1</SP> and a pinion 12<SP>1</SP> rotated by a shaft 12, and is fitted with a bush 15 having a helical groove intermediate the ends of the groove on its fitting surface. The hub of the wheel is provided with a bore 18 so that when the wheel and bush are rotated the lubricating oil in a reservoir 13 may be picked up by the groove and passed via the storage recess and bore 18 to the chain 11. Several grooves and recesses may however be provided in the bush, each recess being adapted to communicate with a bore in the wheel, or the wheel may be mounted directly on and rotate with a grooved and recessed shaft.
Patent GB-187549-A (GB)
Title: Improvements in centrifugal cream separators
IPC: B04B11/02
Filed: 1922-04-06
Abstract: 187,549. MÚlotte, A. April 6, 1922. Density separators of the type in which the separating drum 7 is situated below the transmission gear case 4 are constructed so that the whole-milk reservoir 3 is supported on a lateral arm 2 on a level with the transmission gear. The reservoir 3 is carried by a support 9 having tenons 8 engaging in notches in the reservoir base and capable of rotation on a rod 10 fixed to the arm 2 so that the reservoir 3 may be rotated into a position with its outlet cock 5 away from the separating-drum 7 for cleaning purposes. Devices such as a table 12 and a star-shaped rack 13 adapted to carry various accessories may be attached to the rod 10.
Patent GB-1443247-A (GB)
Title: Non-return valves
IPC: F16K15/20
Filed: 1974-03-05
Abstract: 1443247 Valves METTOY CO Ltd 24 Feb 1975 [5 March 1974] 9919/74 Heading F2V The stem of an inflation valve is made in two parts from moulded plastics material, e.g. nylon. The main part has an axial blind bore communicating with two radial bores which open on to a sealing surface 4 around which is an elastomeric, e.g. rubber, sleeve 13. The other part 10 is a snap fit over the tip 6 of the main part to define a recess locating the sleeve.