baber/WOPTO huggingface dataset:
Patent GB-764074-A (GB)
Title: Improvements in electric circuit interrupters having sickle-shaped contacts
IPC: H01H33/98
Filed: 1954-09-16
Abstract: 764,074. Liquid-blast switches; switch contacts. ALLIS-CHALMERS MANUFACTURING CO. Sept. 16, 1954 [Nov. 3, 1953], No. 26898/54. Class 38(5) Each arc-interrupting unit in a liquidblast switch has a stationary contact 11 formed by a plurality of segments biased together and grooved to form slots 17, 18 which provide contact surfaces co-operating with a moving arcing contact 10 on a pivoted sickle-shaped member 13 and a second moving contact 12, a barrier plate assembly 42 providing an arc extinguishing passageway 63 receiving the sickelshaped member 13. The stationary contact 11 is tubular and may have two segments biased by springs 15 which provide pivotal mountings for the segments for alignment purposes. The upper slot 17 is rectangular and forms a pressure generating enclosure whilst the lower slot is cylindrical. The barrier plate assembly 42, Figs. 6 to 11 (not shown) is arranged to provide transverse blasts of liquid across the passageway 63 when pressure is set up in a chamber 9 on the downward movement of a piston 37. This liquid may be exhausted from the assembly 42 past the contact 11 into a lower barrier plate assembly 43. Alternatively, a pipe plug 59 may be removed so that the liquid and arc gases may exhaust directly into the tank housing the switch. The lower assembly 43 may provide helical passages. Final arc extinction is ensured by two parallel resistors 45 (one shown) connected between the contact 10 and an auxiliary electrode 48 between the assembly 43 and an outlet nozzle 55. The contact 12 is secured to, and operated by, a conducting cross-bar 3 which, when raised, closes the contact 10 against the bias of springs 27 through the medium of a push rod 26 and links 29 pivoted at 28 to the sickle-shaped member 13 and at 30 to a bifurcated metallic cap member 32 on the push rod 26. The rod 26 also moves a push rod 34 to raise the spring-biased piston 37 and a valve 36. When the bar 3 is lowered to open the switch, the downward movement of the rod 26 under the bias of the springs 27 opens the contacts 10, 11 and simultaneously, or with a slight delay, the contacts 11, 12 open. The piston 37 moves downwardly with the rod 26 if the current to be interrupted is low or when permitted to do so by the pressure in the chamber 9 if the current is high. Specification 764,073 is referred to
Patent GB-616506-A (GB)
Title: Improvements in tobacco pipes
IPC: A24F1/10
Filed: 1946-09-09
Abstract: 616,506. Tobacco-pipes. CRISP, O. B. Sept. 9, 1946. No. 27023. [Class 130] The smoke passages 6 from the bowl 4 to the stem 1 are arranged above the bottom and the stem is spigoted to the bowl by a cupshaped seating 3.
Patent GB-1040617-A (GB)
Title: Process for the oxidative bleaching of waxes
IPC: C10G73/00
Filed: 1963-07-08
Abstract: The oxidative bleaching of ester waxes with chromosulphuric acid is carried out emulsifying the mixture in a reaction zone to form a wax phase and an aqueous acid phase, the reactants being in such proportions that the volume ratio of wax phase to acid phase is 1:S, where S\sE3, adding fresh acid as such a rate that the average concentration of CrO3 does not exceed 30 g./l., removing the emulsion from the reaction and separating the wax phase from the aqueous phase.  The process may be carried out in batches or continuously. Waxes specified are montan, carnauba, auricury, esparto and shellac waxes.
Patent GB-380265-A (GB)
Title: Improvements in and relating to brick constructions
IPC: E04B2/04
Filed: 1931-09-29
Abstract: 380,265. Bricks for fireplace surrounds and fenders. CHASEMORE, M., 119, Devonshire Road, Colliers Wood, London. Sept. 29,1931, No. 27082. [Class 87 (i). Bricks a having their front edges f chamfered or bevelled are assembled on a cement or like backing so as to touch at the back and leave an opening at the front for pointing. Unbevelled side portions c of the bricks may engage each other. The invention is particularly applicable to fireplaces, surrounds, and kerbs, a kerb-brick being shown in Fig. 5.
Patent GB-1294252-A (GB)
Title: Method and apparatus for taking holograms
IPC: G03H5/00
Filed: 1971-04-19
Abstract: 1294252 Holography F HOFFMANN - LA ROCHE & CO AG 19 April 1971 [30 April 1970] 27086/71 Heading G2J [Also in Division H4] A method of taking a hologram includes deriving a hologram signal having continuous amplitude values from superimposition of a beam reflected from an object and a reference beam and transforming the hologram signal into an out-put signal having only two discrete amplitude values. Ultrasonic transmitter 13 beams energy towards object 12 in water tank 11 and also supplies a reference signal to adder 21. Transducer 14 is scanned in a TV caster across object 12 by drive 15. The hologram signal from adder 21 passes through a threshold detector 26 which provides on-off signals to lamp 28 which is photographed. Since the lamp is mounted on the transducer drive-shaft the camera 29 produces a line scan hologram of the object. In modifications the hologram signal may be used to modulate the width of pulses in a pulse train or may be amplitude sampled and coded into binary code for input to data processing equipment. Electromagnetic waves may be used.
Patent GB-191798-A (GB)
Title: Improved means for securing, locking and adjusting windscreens of motor vehicles and the like
IPC: B60J1/04
Filed: 1921-10-13
Abstract: 191,798. Willard & Wallis, Ltd., and Fletcher, T. B. Oct. 13, 1921. Windows and the like, cleaning.-A device for adjustably mounting or securing articles including screen wipers comprises a fixed jaw or jaws 5, Figs. 4 and 5, and a pivoted movable jaw or jaws 7, these jaws being staggered or disposed in dissimilar planes and adapted to be engaged upon opposite sides of the standard 4 or other part to be connected, the other end of the movable jaw being operated at its outer free end by the end of a screw 10 in a bracket 6 carrying the jaw members to clamp the device in the desired position. The Figures show the device as applied to securing a side wind-screen to a post 4 of the main wind screen.
Patent GB-1432483-A (GB)
Title: Processes for the preparation of 4-hydroxy-phenyl-1-piperidine alcohols
IPC: C07D211/52
Filed: 1973-06-07
Abstract: 1432483 4 - Hydroxy - 4 - phenyl - 1 - piperidine-alkanol derivatives FAHLBERG-LIST CHEMISCHE UND PHARMAZEUTISCHE FABRIKEN 7 June 1973 27165/73 Heading C2C Compounds I: in which R 1  is optionally substituted phenyl and R 2  is optionally substituted phenyl, cycloalkyl or nortricyclenyl and n is 2 or 3 and salts thereof are prepared (1) by condensing a haloalcohol (II) of formula R 1 R 2 C(OH)-(CH 2 ) n -Hal with 4 - phenyl - 4 - hydroxy - piperidine or (2) by reacting a ketone III: with an organomagnesium halide R 2 -Mg-Hal in which Hal is chlorine or bromine. Compounds I prepared are those in which R 1  is phenyl, n is 2, and R 2  is phenyl, cyclohexyl or nortricyclenyl and those in which R 1  is phenyl, n is 3 and R 2  is p-chloro or -fluoro-phenyl. Compounds II are prepared by reacting the corresponding #-chloropropiophenone or γ- chlorobutyrophenone with R 2 -Mg-Hal. Compounds III are prepared by reacting a #-chloropropiophenone γ-chlorobutyrophenone with 4- phenyl-4-hydroxypiperidine in the presence of KI and Na 2 CO 3  or K 2 CO 3  in toluene. Compounds I are analgesics and show spasmolytic and anaesthetizing activity.
Patent GB-1271637-A (GB)
Title: Devices for checking coatings made of material of low electrical conductivity
Inventor: REYNARD REMI
IPC: G01R31/02
Filed: 1970-06-05
Abstract: 1,271,637. Detecting flaws; detecting insulation faults. INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS. June 5, 1970 [June 9, 1969], No. 27294/70. Headings G1N and G1U. Defects in a low electrical conductivity coating, e.g. a sheath enclosing a conductor 2, are indicated by applying between the conductor 2 contacting the inner surface of the coating and an external electrode 7 in the form of a flexible elongated conductor wrapped around the coating over an angular distance of at least 360 degrees so as to contact the entire circumference of the coating as it is drawn through the electrode 7, a voltage capable of breaking-down the coating where it presents defects. As shown the electrode 7 is composed of a wire having conducting beads threaded thereon. Alternatively, Fig. 2 (not shown), the electrode 7 is formed of conducting balls formed in a chain by conducting connecting elements. The electrode 7 may be tensioned around the coating by a spring 13 or counterweight. The internal conductor may be provided by conductive fluid or powder.
Patent GB-362029-A (GB)
Title: Improvements in telephone systems
IPC: H01H47/22
Filed: 1930-09-12
Abstract: 362,029. Automatic exchange systems. TELEFONAKTIEBOLAGET L. M. ERICSSON, 33, Kungsgatan, Stockholm. Sept. 12, 1930, No. 27323. Convention date, Sept. 13, 1929. [Class 40 (iv).] . A common relav 1 connected between the exchange battery 2 and one of the main feed leads 3, and operated to connect up driving motors 4, a battery charger&c.,when a call is made, is shunted by a rectifier 6, discharge tube or resistance with a negative temperature coefficient. The relay-rectifier combination is verv sensitive to small currents so that it operates on single calls, but the voltage dropped on larger loads, due to simultaneous calls, is small since the resistance of the rectifier &c. diminishes with increase of current. Voltage variations across the relay due to passage of speech currents are reduced so that overbearing is minimized.
Patent GB-978850-A (GB)
Title: Method of and means for conveying containers step-by-step through a washing or like treatment apparatus
IPC: B08B9/08
Filed: 1962-07-17
Abstract: 978,850. Endless conveyers; washing casks. DAWSON BROS. Ltd., G. DAWSON, and D. DAWSON. Oct. 8, 1963 [Jan. 17, 1962], No. 27328/62. Headings B8A and B8T. A means for conveying kegs 1 or like containers over nozzles 6 of a washing machine in a step-by-step motion comprises a pair of endless chains 2 interconnected by tie bars 3 and having locating pushers 5, spring-loaded keg retarding arms 7, and a limit switch 9, Fig. 2 (not shown) operated by tripping bolts 10 on one of the chains to stop the conveyer with a keg or kegs over the washing nozzles 6. The kegs 1 are supported in the inverted position by pads 4 attached to the chains 2 and to which are bolted the pushers 5. The arms 7 displace the kegs into contact with the pushers before entry into the washing machine. The tripping bolts 10 are spaced such that at each stop of the conveyer, each keg 1 is over a washing nozzle 6 which is inserted into the neck of the keg from below the conveyer. The limit switch 9 operates to break the electric circuit to the conveyer drive motor and to apply a magnetic disc brake on the conveyer. The limit switch 9 is mounted on a slotted bracket to allow for longitudinal adjustment according to the diameter of the kegs being washed. The conveyer is restarted by a further switch operated when the nozzle is withdrawn from the neck of the keg.
Patent GB-1172075-A (GB)
Title: Improved Variable Reluctance Pickoff
Inventor: JABLONSKI JAN
IPC: H01F29/10
Filed: 1966-06-18
Abstract: 1,172,075. Inductive transducers. ELLIOTT BROS (LONDON) Ltd. June 15, 1967 [June 18, 1966], No.27332/66. Heading G1N. In a variable reluctance transducer, comprising an E-shaped core having a primary winding C Fig. 3 on its centre leg and two matched secondary windings A, B on its two outer legs and a movable armature (not shown), the windings A, B, connected in phase opposition, are connected to output circuitry via switches which are closed to short circuit a respective one of the windings when the armature has moved a pre-set distance from the datum position. The effect of the switches is therefore to ensure that the polarity of the output is the same for a particular direction of movement of the armature. The switches comprise printed conductive strips 20-23, and a wiper 25 rotated with the armature.
Patent GB-1169786-A (GB)
Title: Process for the Recovery of rho-Xylene from a Hydrocarbon Feed
Inventor: LAURICH STEPHEN A
IPC: B01D9/00
Filed: 1967-06-13
Abstract: 1,169,786. Crystallizing para-xylene. CHEVRON RESEARCH CO. 13 June, 1967 [15 June, 1966], No. 27341/67. Heading C5E. Para-xylene is separated from a xylenecontaining liquid hydrocarbon mixture by a crystallization process comprising cooling a quantity of said mixture in a crystallization zone adapted to provide elongated cyclical flow so as to produce a slurry of p-xylene in said liquid, maintaining a body of said slurry in said zone at a temperature in the range below the incipient para-xylene crystallization temperature of the mixture and above -140 F., circulating said slurry in said zone, introducing fresh feed into said slurry at a first portion of said zone in an amount of 0À1-10% per minute based on the volume of the slurry, introducing inert fluid refrigerant (e.g. liquid CO 2 ) into said slurry at the first or a second portion of said zone in an amount of 0À1-1 parts by weight per part of fresh feed, withdrawing vaporized refrigerant from a third portion of said zone, withdrawing slurry from a fourth portion of said zone at a rate sufficient to maintain said body of slurry, and separating para-xylene crystals from said withdrawn slurry. The Figures show two different circuit arrangements, Fig. 1 comprising two such circuits, the feed to the second being withdrawn slurry from the first. In each case, fresh feed containing liquid refrigerant is introduced at 10, vaporized refrigerant withdrawn at 16 (and 22) and slurry withdrawn at 17 (and 23).
Patent GB-761827-A (GB)
Title: Improvements in or relating to fabric beams of textile machines
Inventor: SCHOENFELD PAUL
IPC: D04B27/34
Filed: 1954-09-22
Abstract: 761,827. Cloth beams. SCHONFELD, P. Sept. 22, 1954, No. 27421/54. Class 142 (2). The beginning of the fabric is inserted through a slot 2 in a hollow beam and clamped against the interior by a rod 4 pivoted at 6. The barrel of the beam consists of halves 11, 12 hinged at 10 so that, when full, it can be collapsed and withdrawn from the roll of fabric.
Patent GB-795665-A (GB)
Title: Wire and method and apparatus for its production
IPC: B21C3/12
Filed: 1954-09-22
Abstract: 795,665. Drawing; making nails, reinforcing bars and gratings. STEEL CO. OF CANADA, Ltd. Sept. 22,1954, [Oct. 1, 153 ; June 2, 1954], No. 27458/54. Classes 83 (2) and 83 (4). Wire of non-circular cross-section and generally helical configuration is drawn through a rotary die having a helically twisted non-circular passage. In one example round wire 37, Fig. 7, is drawn to helical square section through a die 23 having a flared entry portion leading to tapering helically twisted square section near the exit end 40. The section may alternatively be triangular or polygonal or any non-circular section such as an oval. In another example wire which is initially of circular or polygonal section with or without helical twist is drawn through the dies which have maximum radial dimensions greater than the minimum radial dimensions of the initial wire so that various irregular surface formations may be obtained such as a square section with round corners or a bar, Fig. 18, with opposite helical formations as a result of which the bar section changes alternately from square section as at the end 20 to octagonal as at the section 19. A similar effect may be obtained by drawing a square section wire initially formed with a helical twist through an ordinary square section die. The die may be rotatably driven or may rotate freely, the work being held against rotation. Variation in the helical angle along the length of the work may be obtained by intermittently restraining the rotation of the die or periodically increasing the tension of the drawn wire as by passing the wire over a rotating eccentric. Apparatus suitable for carrying the die 9, Fig. 1, comprises a die holder 10 rotatably mounted on a ball bearing 7 in a supporting wall 2 to which a soap box 8 is attached. A radial flange 13 with a peripheral bead 14 protects the bearing 7 from being reached by the soap. An annular chamber 17 supplied with cooling fluid through pipes 18, 19 is provided in the wall 2 to cool the bearing 7. The wire produced may be used for threaded nails or reinforcing bars and for making non-slip gratings by assembly to cross members. Barbed wire may also be made using the helixed wire for the barbs to be wrapped round the line wire and also for the line wire itself.
Patent GB-1057960-A (GB)
Title: Adjustable tables
IPC: A47B27/06
Filed: 1964-07-03
Abstract: 1,057,960. Drawing tables. NORMAN WADE CO. Ltd. July 3, 1964 [July 22, 1963], No. 27467/64. Heading A4H. A drawing table counterbalancing arrangement has a fixed beam 10 to which is pivoted an arm 11 carrying a pivotable table support member 14 with mounting brackets 15, 16 for a table 18 and a first force system consisting of tension springs 19, 20 connected to arm 11 and steel straps 23 and a second system consisting of tension springs 21, 22 connected to the straps and to member 14.
Patent GB-600873-A (GB)
Title: Improvements in or relating to the manufacture of thin copper articles
IPC: C25B3/25
Filed: 1945-10-19
Abstract: 600,873. Electrodeposition of copper. STANDARD TELEPHONES & CABLES, Ltd., WOLFSON, H., and THOMSON, B. Oct. 19, 1945, No. 27542. Drawings to Specification. [Class 41] Patterned articles of copper such as control grids for electron discharge devices are manufactured by depositing an easily detachable layer upon a base in the desired pattern from a bath containing in solution copper pyrophosphate and an alkali metal pyrophosphate, and maintained at a pH between 8.8 and 10, and then stripping the copper from the base plate. The base plate 1 may be of any metal, preferably having a polished surface of nickel, chromium or rhodium ; or it may be a non- metal having a surface rendered conductive by metallizing or graphiting. In either case it is covered with insulating material in which the pattern is formed, e.g. by a photographic process, and from which the patterned part is removed prior to the depositing step. The deposit may be removed by agitation of the base, or by cutting a portion of the deposit perimeter, allowance being made in the design accordingly. The deposit may be clad with a further metal or alloy prior to or subsequent upon removal from the base by, for example, further electrodeposition. The bath may contain citric, oxalic, tartaric, formic, or malic acid or an alkali metal salt thereof. The concentration of copper pyrophosphate is equivalent to between 5 and 25 grams copper per litre. The pH value of the bath is brought within the desired range by addition of sodium or ammonium hydroxide. The cathode current density may be 0. 9 to 5 amps per square dcm, the voltage 0.9 to 1.3, preferably 1.05 to 1. 2 and the temperature 55 to 80 C. Stirring of the electrolyte, or movement of the cathode, or both, is advantageous, and is essential at the higher current densities. Specification 509,650 is referred to.
Patent GB-1372287-A (GB)
Title: Pulverulent compounds of cobalt and rare earth metals
IPC: H01F1/06
Filed: 1972-06-13
Abstract: 1372287 Pulverized cobalt compound BBC BROWN BOVERI & CO Ltd 13 June 1972 [15 June 1971] 27547/72 Heading C1A [Also in Division C7] In a process for the production of a pulverized compound of Co and one or more rare earth metals, for use in magnets having a high coercive force, Co powder 1 and scraps 2 of rare earth metal, e.g. Sm are placed in a tantalum ampoule 3 with a transport agent, e.g. iodine, and grinding weights 4 of Mo, Ta or W. The ampoule 3 is evacuated, sealed inside a quartz ampoule 5, placed in an oven at 750-1150 C. and rotated at 10-500 r.p.m. After reaction the iodides are washed out of the product leaving Co5Sm particles of 1-5 microns size and having a coercive force of 20,000 oersteds. In another embodiment Fig. 2 (not shown) no transport agent is used and the Sm and the Co and grinding weights are in separate compartments communicating so that Sm vapour can react with Co. Other rare earth metals can be alloyed with Co, one example of a product being CeMM0À5Sm0À5Co where MM denotes misch metal.
Patent GB-1312570-A (GB)
Title: Preparation of 0-2-dialkylaminoethoxy-alpha-alkylbenzyl alcohols
IPC: C07C/
Filed: 1971-06-11
Abstract: 1312570 Benzyl alcohol derivatives RECORDATI SA CHEMICAL & PHARMACEUTICAL CO 11 June 1971 [6 Aug 1970] 27592/71 Heading C2C Compounds of the general formula (R, R<SP>1</SP> = C 1-3  alkyl) and their salts are prepared by reducing a compound of the formula or salt thereof with sodium borohydride, optionally followed by salt formation.
Patent GB-298530-A (GB)
Title: Improvements in or relating to vehicle lights
IPC: B60Q1/34
Filed: 1928-09-27
Abstract: 298,530. Bosch Akt.-Ges., R. Oct. 10, 1927, [Convention date]. Road-traffic signals an vehicles.-A vehicle lamp 1 mounted laterally of the driver and illuminating to the rear, more particularly a direction indicator for motor-vehicles, is provided at the rear with screen members 5 so positioned as to screen the driver from the laterally-emitted rays. The strips 5 may be cut out of the rear wall of the lamp and suitably bent. In a modification wherein the rear wall of the lamp is a glass disc, the screen is formed by vertical glass strips projecting from the disc on the inside of the lamp.
Patent GB-151849-A (GB)
Title: Improvements in controlling-means for motor vehicles
IPC: F16H63/46
Filed: 1919-11-10
Abstract: 151,849. Pickard, W., and Dobson, D. R. Nov. 10, 1919. Setting and retaining devices for controlling- apparatus; controlling handles associated with hand steering-devices.-In change-speed and brake gearing for motor-vehicles a plurality of controlling draw-bars t, s<1> - - s<5>, Figs. 1 and 2, notched near one end are adapted to be selectively engaged by a crank arm r<4> on a spindle r slidably mounted in and turning with the boss v<3> of a foot-lever v. The spindle r is longitudinally moved through suitable mechanism r<2>, r<3>, w<1> w<2> by means of a spindle x, which passes down the steering column and is actuated by a lever handle y<1> above the steering-wheel. The lever y<1> carries a clutch head y, Fig. 1, adapted to engage a like head x<2> on the upper end of the spindle x.. This lever pivots round the spindle x and also in a perpendicular plane about a bridge y<3>, Fig. 3, being pressed by a spring y<4>, Fig. 1, so that its outer end engages a notched quadrant y<2>. When one of the gears, or the brake, is to be put into action, the lever v is depressed, turning the arm r<4> into line with the bar notches. The lever y<1> is disengaged from the quadrant y<2>, and engaged with the spindle x. It is then turned to the notch corresponding to the gear or brake, and disconnected from the spindle x. On the lever v being released, a spring v<2> rocks it, and operates the bar selected.
Patent GB-535704-A (GB)
Title: Improvements relating to fuel injection apparatus of internal combustion engines
IPC: F02M59/10
Filed: 1939-10-13
Abstract: 535,704. Timing fuel-injection pumps. HALLEWELL, G., and BLACKSTONE & CO., Ltd. Oct. 13, 1939. No. 27880. [Class 102(i)] The timing of a fuel-injection pump whilst the engine is running is accomplished by varying the effective length of a tappet, or other reciprocating member which operates the pump, by mechanism which moves transversely to the reciprocation. In the form shown, the upper and lower parts 4, 5 of a tappet are prevented from rotating by key pieces 7, 8 and are movable in opposite directions by oppositely threaded extensions 10, 11 of a spur-toothed pinion 9 which is rotated by means of a rack 12. The rack is moved in fixed guides either by hand or automatically by the engine governor, it may control the timing of a number of engine cylinders, or it may be replaced by a second gear wheel or sector. When the engine is stationary, an adjustment for setting or wear may be effected by means of a screw 13.