baber/WOPTO huggingface dataset:
Patent GB-770899-A (GB)
Title: Hand tool for temporarily holding a screw-threaded nut
IPC: B25B9/00
Filed: 1954-02-16
Abstract: 770,899. Holding tools. WHITAKER, C. R. C. Feb. 11, 1955 [Feb. 16, 1954], No. 4566/54.  Class 61  A tool for temporarily holding a nut comprises a strip of metal 10 having an upstanding lug 15, an upstanding lug 14 being provided on a manipulable slide 13 engaging a longitudinal slot 11 in the strip, the slide being urged towards the rear end of the slot by a a tension spring 17 and the two lugs constituting a. pair of.. nut gripping jaws acting outwardly from one another on the screw-threaded bore of a nut 22. The outer side of the fixed jaw 15 has a lip 23 which engages a single thread, the movable jaw 14 being arcuate in section. The slide is retained in the slot by an upper member 19 and a lower member (not shown) of greater width than the slot secured adjacent the rear end.thereof by a pin 16.
Patent GB-724943-A (GB)
Title: Improvements relating to precombustion-chamber inserts for internal combustion engines
IPC: F02B19/00
Filed: 1953-02-18
Abstract: 724,943. Precombustion chambers. DAIMLER-BENZ AKT.-GES. Feb. 18, 1953 [Feb. 18, 1952], No. 4587/53. Class 7 (3). [Also . in Group XXII] A precombustion chamber insert comprises an upper part 14 of low-grade ferrous material such as ordinary steel enclosing a combustion space 16 adjacent the fuel injection nozzle 12 welded to a lower part 15 of high-grade ferrous material, such as a highly alloyed steel, enclosing the lower part of the passage 17 communicating through holes 19 with the main combustion space. The insert may be formed from two blanks 14<SP>1</SP>, 151, Fig. 2, which are butt-welded together at 201 and then machined to the desired shape.
Patent GB-572122-A (GB)
Title: Improvements in sedimentation or settling tanks for clarifying liquids
IPC: B01D21/06
Filed: 1944-03-14
Abstract: 572,122. Clarifying liquids. FARRER, Ltd., W. E., and FARRER, W. G. March 14, 1944, No. 4700. [Class 46] Liquid clarifying apparatus comprises two or more settling tanks, one of which is portable and is arranged within the other tank or tanks, means being provided for causing liquid to flow from the upper portion of the inner tank to the outer tank or tanks and means being provided for drawing off settled particles from all the tanks. In the construction shown, liquid to be clarified enters into tank 1 through pipe 30 and over diffuser plates 31. The tank 1 is supported by roller-bearing, arms 7 on a circular track 5 carried by a bridge 6, and is adapted to be rotated by an electric motor 11. The tank is surrounded by three fixed tanks 2, 3, 4. The tank 1 has double walls 1a, 1b forming channels 18, 19. the outer wall carrying flexible or other scrapers 34 for collecting sediment from the outer tanks. The sediment passes through openings 21, 22. 23 to a channel 13 which surrounds the base 12 of the tank 1. Sediment from the tank 1 is collected into the base by a fixed scraper 32. The tank 1 is cut away at the top to allow liquid to overflow into the tank 2 and into channel 19, the liquid entering tanks 3, 4 through opening 24 and the bottom of the channel 19. Clarified liquid from tanks 3 4, passes through outlets 25, 26 to an outlet 29 into which also liquid from tank 2 overflows.
Patent GB-544243-A (GB)
Title: Improvements in means of communication over power mains
IPC: H04B3/56
Filed: 1941-04-09
Abstract: 544,243. Telephony over power circuits. GENERAL ELECTRIC CO., Ltd., and CHUBB, A. A. April 9, 1941, No. 4719. [Class 40 (iv)] In a system of communication between two power-driven vehicles or between one vehicle and a stationary point, the speech currents are applied over the collector arms to all the phase wires of the power circuit in parallel. As shown, the speech currents from a microphone M on one vehicle after amplification are fed by way of condensers C1-3 to the collector arms TAT, and are picked up by the collector arms TAR of a second vehicle and fed by way of condensers CA1-3 and a filter F to a loudspeaker LS, the return path being over the neutral track rail TR.
Patent GB-1103624-A (GB)
Title: New anthraquinone dyestuffs and processes for their manufacture
IPC: C09B1/51
Filed: 1966-02-03
Abstract: The invention comprises anthraquinone dyes free from carboxylic and sulphonic acid groups which contain as the only type of acylamino group in one or more a -positions of a monoanthraquinone nucleus a substituent of the formula <FORM:1103624/C4-C5/1> wherein n and p are positive integers not greater than 7, m is 1 or 2, R1 and R2 are each benzene nuclei and X is an aliphatic or cyclo-aliphatic amine residue having 4 to 10 carbon atoms bound to the -SO2- bridge by its nitrogen atom. They are prepared by (1) acylation of anthraquinone compounds having an acylatable a -amino group with an acid halide Halogen COR2SO2-X, wherein R2 and X are as defined above or (2) by amidation of the appropriate anthraquinone dyestuff sulphonic acid halide with an amine containing 4 to 10 carbon atoms.  The starting material in (1) above may contain a sulphonic acid group which may be removed from the product by subsequent desulphonation using a reducing agent. Any nuclear sulphonamido groups in the product may be hydrolysed to free amino groups using alkali.  The dyes obtained are soluble in organic solvents and are used to colour synthetic resins, waxes, lacquers, plastics, cellulose ethers and esters and also inks for ball-point pens in yellow, green, red, blue and violet colours.
Patent GB-657463-A (GB)
Title: Kitchen cabinet or dresser
IPC: A47B77/14
Filed: 1949-02-23
Abstract: 657,463. Cabinets. JARMAN, H. Feb. 23, 1949, No. 4892. [Class 52 (i)] A kitchen dresser or like structure having a lower cupboard and superposed shelves is provided at each side with a stack of sloping shelves B to hold glass jars or other receptacles A.
Patent GB-494553-A (GB)
Title: Improvements in heat exchange apparatus or recuperators suitable for heating air
IPC: F28F21/04
Filed: 1938-02-17
Abstract: 494,553. Heating air &c. LAMBOT, J. Feb. 17, 1938, No. 4927. Convention date, March 25, 1937. [Class 64 (i)] A heat-exchanger or recuperator for heating air &c. comprises spaced ducts 12 of refractory material or heat-resisting metal disposed in a vertical shaft, heating gases being passed through the ducts. The ducts are each formed of abutting sections 5, Figs. 4, 5, secured together by keys 6 which define ducts 9 for the air. Sealing strips 7 are inserted between adjacent keys.
Patent GB-329297-A (GB)
Title: Improvements in switch mechanisms, particularly as used in automatic telephony
IPC: H01H63/06
Filed: 1929-02-14
Abstract: 329,297. Standard Telephones & Cables, Ltd., Snell, M. S., and Smith, C. P. Feb. 14, 1929. Automatic exchange selectors. - Bank terminals are mounted individually on strips of insulating material which are assembled transverse to the direction of movement of the wipers Figs 4 (15543/29), and 5 (16643/29) or are formed by the edges of wires wound on such strips, Fig. 1 (4933/29). The strips may be assembled in flat or rotary banks. Where flat banks are used and the terminals are the edges of the multiplying wires, contact may be made on both edges of the strips, Fig. 6 (4933/29). Feeder strips may be mounted as shown in Fig. 7 (4933/29), the brushes FA making contact between the feeder strips and the individual terminals. To form the bank of a rotary type switch the insulating strips are mounted in slots in the bank frame. correct alignment being ensured by slots 12 cut in the strips. Wires 9, Fig. 2 (16643/29) engaging grooves 11, Fig. 4 (16643/29), hold the strips in position and feeder strips such as 16 are sprung into slots 14. The second Provisional Specification describes banks made of strips in which the terminals are moulded in the insulating blocks and banks in which feeder strips are fitted to banks composed of insulating strips mounted parallel to the direction of movement of the wipers.
Patent GB-161778-A (GB)
Title: Improvements in or relating to lens edge grinding machines
IPC: B24B9/14
Filed: 1920-02-18
Abstract: 161,778. Symons, A. B., and Ustonson, C. B. Feb. 18, 1920. Lenses, grinding and polishing; bevelling.-In a machine for grinding square and V-shaped edges on lenses, in which the rotating lens-holder is moved towards and from the grinding-wheel under the control of a templet, the lenscarrying frame is angularly adjustable, in order to grind the two sides of a V-shaped edge, about an axis which is always tangential to the grinding-wheel. The lenscarrying frame 28 is pivotally mounted on a spindle 13 journaled in a frame 7, which is mounted on a plate 8 having a projection 9, of circular cross-section, rotatable in a bearing 10 on the base 1. The spindle 13 is rotated, through bevelgearing 14, by a shaft 15 journaled in the projection 9 and driven, through worm gearing and a belt, by the spindle 4 of the grinding- wheel 2. The lens 38 is mounted between discs 26, 27 carried by spindles 24, 25 rotatably mounted in the frame 28 and driven, at the same speed, through gearing 20 - - 23, by the spindle 13. The disc 26 is movable, under the action of a spring, to allow of insertion and removal of a lens, by a pinion 30 operated by a handle 29 and engaging a rack on a sleeve 31 in which the spindle 24 rotates, and the disc 27 is adjustable, through similar gearing, by a screw 32 and an arm 33 operating the pinion. The frame 28 is rocked, to produce the required shape of lens, by a templet 40 engaging an adjustable finger 41 carried by the frame 7. To position the lens with its edge on the axis of the projection 9, a V sighting-groove 36 is provided and a pointed rod 37, adapted to be placed in the groove, correctly positions the lens. The angular setting of the frame 28 is determined by a pin 44 on the base adapted to engage holes 45 in the projection 9, and a scale may be provided, marked on the frame. Adjustment for wear of the grinding- wheel is provided by movement of the base 1 towards or from the wheel.
Patent GB-309672-A (GB)
Title: Improvements in and relating to signalling devices for motor-vehicles
IPC: B60Q1/44
Filed: 1928-02-17
Abstract: 309,672. Warn, W. G. Feb. 17, 1928. Road traffic signals on vehicles. - A directionsignalling device adapted to be fitted to existing headlights comprises a reflector, a lamp, and a coloured ring surrounding the face of the headlight. To the body 5 of a headlight having a reflector 8 and a lamp 7 is secured by a bayonet joint an extension 6 carrying a coloured ring 11 of glass or mica, a lens 13, a lamp 17 and a reflector 15. The lamp 17 now becomes the main illuminating lamp, the lamp 7 being used to illuminate the coloured ring 11 when required. The rings 11 may be red for the left-hand lamp and! green for the right-hand lamp. The tail-light 23, Fig. 4, may have concentric red and green rings 21, 22 adapted to be switched on simultaneously with the front red or green rings. The switches may be operated by hand or by the steering mechanism.
Patent GB-658879-A (GB)
Title: Improvements in or relating to tools for applying rotary force
Inventor: HALLIDAY WILLIAM MAWSON
IPC: B25B13/46
Filed: 1949-02-24
Abstract: 658,879. Wrenches. HALLIDAY, W. M. Feb. 24, 1949, No. 5027. [Class 61(iii)] [Also in Group XXII] In a ratchet winch, carpenter's brace or screwing stock a detachable, rotatable socket member 14 is held in a housing 13 by complementary wedge and groove means associated with the socket member and the end of the pivoted handle 11 in conjunction with yieldable spring means which normally limit the rocking movement of the handle. The slightly cam-shaped end 11a of the handle of a socket wrench bevelled on both sides to form a wedge, engages in a correspondingly tapered groove in the periphery of the rotary member 14. A T- shaped leaf-spring 15 attached to the handle at 16 abuts on the edge of the split lug 13b of the housing. To remove the socket member the handle is turned counter-clockwise and disengaged from the socket member, continued relative rotation of the handle and socket causing the spring 15 to yield. In a modification a stop is provided on the lug 13b to limit the torque applied to the rotary member. In other modifications the wedge and groove means comprise a rib on the rotary member and a groove in the end of the handle, or both members are provided with a groove and a ball is located therebetween. In a further modification the base of the groove in the rotary member is polygonal.
Patent GB-433714-A (GB)
Title: An improved clamping device for use with tuft or like yarn spools
IPC: B65H75/28
Filed: 1934-02-16
Abstract: 433,714. Spools or bobbins. ROBINSON, J. E., 19, Birmingham Road, Kidderminster, Worcestershire. Feb. 16, 1934, Nos. 5191 and 9779. [Classes 120 (iii) and 142 (ii)] A clamping device for holding the yarn in place on a spool comprises a substantially rigid bar detachably secured to the spool, substantially parallel to the axis thereof, and at positions spaced longitudinally thereof, by one or more resilient or spring members constructed separately from, and mounted upon, the bar. As shown in Fig. 1 the bar 10 is of metal and of channel section with spring lugs 13 riveted to the ends thereof and engaging radially-extending recesses 15 formed in the inner faces of the spool flanges 12; the bar is curved to the contour of the yarn on the spool and the flanges of the channel converge. The lugs may engage radial holes in the flanges 12. In a modification the lugs are replaced by spring clips having apertures for engaging the spigots 18 of the spool. In the form shown in Fig. 5, the edges of the bar are beaded and reinforced by wire 24 and the bar has struck-up portions 19 forming bearings for a spring wire 20; the wire is formed with a curved portion or handle 22 by which the ends of the wire may be moved to engage with holes or recesses in the spool flanges and cranked portions 23 in the wire retain the handle in the vertical position. In another form the bar carries two or more spring clips which wholly or partly embrace the yarn windings and the clips may be secured to a pair of bars ; the bars may be of angular cross section or of wood. The device is suitable for spools used in the weaving of Axminster carpets, may carry or house a comb for use in machine setting and may be used with spools for setting frames fitted with cups or similar arrangements.
Patent GB-890308-A (GB)
Title: Improvements in and relating to electrical phase angle comparators
Inventor: ASPDEN HAROLD
IPC: G05B1/02
Filed: 1957-02-15
Abstract: 890,308. Phase comparators. ENGLISH ELECTRIC CO. Ltd. Feb. 14, 1958 [Feb. 15, 1957], No. 5308/57. Class 37. In a phase angle comparator, reactive means shift the phase angle between two alternating electrical signals by a predetermined amount, and a polarity sensitive circuit determines the sense of the polarity change of one of the signals when the other has a chosen polarity. An alternating signal A is phase advanced through angle # degrees by device 12, and is then applied to control the position of switch 13 which is closed when the phase advanced signal is positive. A second alternating signal B controls switch 14, which is closed when B is positive. Switch 13 is connected in series with capacitor 16 and rectifier 17, the circuit being energized by battery 15; switch 14 is connected directly across rectifier 17, and also across rectifier 18 and capacitor 19; the voltage across capacitor 19 constituting the output signal of the comparator. The arrangement is such that when B leads A by less than 0 degrees, or lags A by less than 180-# degrees, an output signal is provided.
Patent GB-434020-A (GB)
Title: Improved pipe joint
IPC: F16L19/065
Filed: 1934-02-19
Abstract: 434,020. Pipe joints. HUDD, A. E., Villa Blanche, Balcombe Road, Pound Hill, Crawley, Sussex, and ROUSE, SIR A. M., Yew Tree Cottage, Horning, near Norwich, Norfolk. Feb. 19, 1934, No. 5334. [Class 99 (i)] A soft-metal conical packing sleeve 11 is arranged on a pipe 10 with its flat end face 13 adjacent the end of the pipe and is compressed by a nut having a tapered socket of slightly greater conicity. The face 13 abuts against a similar packing sleeve 12 which is compressed in the tapered socket 18 of a coupling member 16 or against a flat face of the coupling member. Two pipes are joined as shown in Fig. 3, each pipe end carrying a soft metal sleeve 11 and a coupling member 14, the coupling members screwing together. The sleeves may be contracted on to the pipes before assembling the joint by using a screw plug as an abutment for the pipe end and sleeve.
Patent GB-821573-A (GB)
Title: Improvements in the production of carbon black
Inventor: VAIL ROBERT ST PATRICK
IPC: C09C1/50
Filed: 1957-02-16
Abstract: <PICT:0821573/III/1> In the furnace production of carbon black, the black produced is cooled, solely by means of an indirect heat-exchanger arranged within the stream of black, to a temperature at which the carbon black produced is substantially non-reactive with the surrounding gaseous reaction product but which is above 1500 DEG F.  This temperature may be as high as 2,200 DEG  F.  As shown, a suspension of black in by-product combustible gas passes from a reactor 10 to a cooler 12 provided with a heat-exchange coil 14 through which is passed water, a molten salt or a gas.  The heated exchange medium is cooled in a waste heat boiler 18.  The cooled suspension is optionally further cooled by passage through an air-cooled tube 20 provided with a spiral radiator fin.  The black is separated in cyclones 22 optionally followed by filter 24.  The tail gas is burned, if desired together with auxiliary fuel from line 29, in chamber 28 and thereby preheats the air required for the combustion.  Before mixing with the tail gas, the heated air passes through a turbine 32 which operates air compressor 30 and an electric generator 34.  The waste gases from chamber 28 may pass to waste heat boiler 18.  Excess tail gas and hot air may be withdrawn through pipes 36 and 38 respectively.
Patent GB-502155-A (GB)
Title: Method of oxidation of ammonia
IPC: C01B3/16
Filed: 1937-04-23
Abstract: 502,155. Ammonia oxidation. CHMURA, T. April 23, 1937, No. 6398. Void. Convention date, Feb. 24, 1936. Drawings to Specification. [Classes 1 (i) and 1 (ii)] The liquids obtained by absorption of the products of ammonia oxidation are concentrated by spraying them into the air or oxygencontaining gas used for the oxidation. Preferably evaporation is facilitated by the application of the heat generated in the oxidation. The saturated air is subsequently cooled to remove its water or nitric acid content, any residual oxides of nitrogen being recirculated with the air to the converter. The air may be thus treated in two stages, firstly with liquid from the last absorber, then with liquid from an earlier absorber, cooling taking place after each stage. Another part of the oxidation air may be sprayed with liquid ammonia to produce the reaction mixture, the resulting cold being used to condense strong nitric acid from the reaction products.
Patent GB-718912-A (GB)
Title: Improvements in or relating to n-vinylcarbazole
Inventor: NICOL DONALD LAURENCE
IPC: C08F26/12
Filed: 1952-02-29
Abstract: Poly N-vinycarbazole is made by heating above its melting point solid N-vinylcarbazole which, in a form having a high surface area with respect to its volume, has been exposed to the action of air or oxygen, or heating non-exposed N-vinyl carbazole utilizing as catalyst a portion of the exposed material.  The N-vinyl carbazole, preferably purified, may be exposed as shallow layers of crystals.
Patent GB-738673-A (GB)
Title: Improvements relating to apparatus for continuous removal of volatile materials fromliquids
IPC: B01D1/22
Filed: 1953-02-26
Abstract: <PICT:0738673/III/1> A film evaporator comprises a roll 5 eccentrically mounted in a casing 4 provided with a vapour-outlet 3 and is characterized in that the roll and the lower inner wall of the casing form a wedgeshaped clearance 6, and that the conduit 1 for the feed - liquid leads into the wider part of the clearance while the discharge-conduit 2 for the treated liquid, which is provided with means for restricting the flow of liquid, leads off from the narrower part of the clearance at the opposite end of the casing to the feed-conduit 1.  The casing is provided with a heating jacket (not shown).  The roll is rotated so that its curved surface moves towards the narrower part of the clearance.  The rotation of the roll draws liquid into the clearance up to a definite rate, after which no further quantities of liquid enter the clearance.  In this manner the liquid is kept at a constant level.  Volatile ingredients of the liquid are evaporated as the wetted surface of the roll rises above the level of the liquid. The pressure increases in the direction of rotation of the roll so that the residual liquid is forced out through conduit 2, which is provided with a throttle, or is narrower than conduit 1, or leads into a gear pump.  The apparatus can be used for the evaporation of liquids in vacuo, for the degasification of liquids in the synthetic fibre industry, for the removal of monomeric constituents from fusible polymers or polycondensation products, and for the concentration of juices or milk.  The apparatus may be adapted to remove solvent residues in the oil industry.  By providing cooling surfaces short-path distillations can be performed.  If it is expedient to carry out the evaporation of liquids in several steps and to apply different pressures and temperatures for each step, a number of evaporation chambers can be arranged in series.
Patent GB-540572-A (GB)
Title: Method for the production of footwear with a leather or fabric upper
IPC: A43B3/10
Filed: 1940-03-27
Abstract: 540,572. Boots &c. HOLTERMANN, F. March 27, 1940, No. 5513. Convention date, March 28, 1939. [Class 17 (ii)] In the manufacture of shoes, a lining sleeve b with a seamless sole portion is drawn over a last a, toe and heel caps and a shank stiffener applied, and then an unlined upper f is lasted and its inturned marginal edges tacked to the sole portion of the sleeve. Finally, an outsole is secured to the shoe by sewing or cement.
Patent GB-1461505-A (GB)
Title: Pattern making
IPC: A41H3/00
Filed: 1974-02-06
Abstract: 1461505 Pattern grading F W K WERBER 6 Feb 1974 [23 Feb 1973] 05564/74 Heading A3V Apparatus for grading garment patterns comprises an elongated member 14 carrying a scale 32 and a second reference scale 28 on which a datum body measurement may be set by relative movement of an eye 24 on a second member 12. The members may be locked by a nut 22. A second reference scale 30 for use in grading childrens' garments is also provided. In use the eye is set adjacent the datum measurement eg bust or hips, and located by a pin above a reference point of a miniature master pattern. The pattern is then graded by aligning the scale 32 with peripheral dots and marking the paper at the distance indicated. The outline is then traced between the marks with a curve.