baber/WOPTO huggingface dataset:
Patent GB-129166-A (GB)
Title: An Electromagnetic Separator.
Inventor: POOLE WILLIAM ERNEST
IPC: B03C1/14
Filed: 1918-09-04
Abstract: 129,166. Poole, W. E. Sept. 4, 1918. Magnetic separators. - The electro-magnet used in a separator is formed at its lower end with a loose pole-piece which is attracted to the body of the magnet during normal working and falls so as to act as a safety-valve when the current is stopped. The charge is fed into a hopper F, and the magnetic particles are attracted by the hopper and a guide-frame G, which are magnetized by induction, and by the upper and lower pole-pieces B, H. The flow of the material through the apparatus sweeps the attracted particles along until they become sheltered at the edges F<1>, B<1>, G<1>, G<11>, and H<1>, of the respective attracting surfaces. The non-magnetic particles are discharged by a shoot P into which the pole-piece H falls and closes the apparatus when the current is stopped. A relay is used to operate signals and so indicate whether or no the separator is working.
Patent GB-683160-A (GB)
Title: Hydraulic-pneumatic intensifier apparatus for use in conjunction with rolling mills
Inventor: YOUNGER JOHN MCNEIL
IPC: B21B31/32
Filed: 1950-06-09
Abstract: 683,160. Roller mills. McNEIL & CO., Ltd., J. June 8, 1951 [June 9, 1950], No. 14438/50. Class 59 [Also in Group XXIX]. Hydraulic-pneumatic intensifier apparatus for applying pressure to the caps of the bearings of rolling mills comprises a cylinder and plunger means for forcing operating liquid to the caps and means actuated by atmospheric pressure operatively connected to said plunger to move it in the direction to cause operating liquid to be forced under intensified pressure to the caps. A. plunger 1 is slidable and rotatable in a cylinder 2, provided with glands 3, 3<SP>1</SP>, and forms with the cylinder 2 an annular recess 4 connected by a pipe 5 to the bearing cap 6. The plunger is a sliding fit in a portion 10 of the cylinder 2 to which portion is connected a pipe 8 conrolled by a stop-valve 9, from a supply pump 7. At the region of the portion 10 the plunger 1 is formed with grooves 11 of different lengths to provide a dash-pot action to check the descent of the plunger in the event of failure in the cap 6. A cylinder 13 is mounted on the cylinder 2 and is connected at the lower end to a vacuum supply by a pipe 18 fitted with a regulating valve 19. The cylinder 13 is open to atmosphere at the other end. A piston 16 slidable in the cylinder is connected to the plunger 1. The pipe 19 may be connected either to a vacuum pump 22 or a vacuum main 20.
Patent GB-878277-A (GB)
Title: Improvements in and relating to dynamo-electric machine stators
Inventor: HORSLEY WILLIAM DOUGLASS
IPC: H02K3/22
Filed: 1958-05-06
Abstract: 878,277. Cooling dynamo-electric machines. PARSONS & CO. Ltd., C. A. April 7, 1959 [May 6, 1958], No. 14452/58. Class 35. In a dynamo-electric machine stator, e.g. of a turbine-driven A.C. generator, having a core housing, a stationary winding comprising hollow conductors whose ends 1 are outside the core and are supported by a plurality of electrically-insulating manifold boxes 2 to respective ones of which boxes a cooling liquid is supplied and collected, the liquid is directed through passages 7 in walls 8 of the boxes, the passages being so disposed in the walls that their lengths are greater than the wall thickness so as to provide an adequate electrical leakage path between the inside 4 and metallic parts outside of the box. The boxes 2 may be of cast resin and connected via metal ferrules 6 and pipes 9 to headers 10, 11 ; the supply and collecting boxes may be disposed at either respective ends or the same end of the core. Specification 842,702 is referred to.
Patent GB-1096683-A (GB)
Title: Improvements in and relating to powder spray guns
Inventor: WEBB JOHN
IPC: B05B7/14
Filed: 1964-04-08
Abstract: 1,096,683. Powder sprayers. AEROSTYLE Ltd. April 8, 1965 [April 8, 1964], No. 14501/ 64. Heading B2F. Powder P in a closed container 2 is carried in holes 6 adjacent the periphery of a rotating wheel 1 to a position from which it is blown by air issuing from a nozzle 7 through a conduit 8, a connector 9 and a hose (not shown). The air enters the container through a connector 11 and part is bled-off through a pipe 22 and conduit 21 to issue into the container in an area adjacent the bearings 18 of the shaft 4 mounting the wheel 1. This second current of air prevents the powder from fouling the bearing. In a modification of this anti-fouling arrangement air is introduced such that it passes into the container through the tolerance gap of the bearing.
Patent GB-726790-A (GB)
Title: Improvements relating to methods of making binding agents of phenol-formaldehyde resins for mineral-wool, e.g., glass- or slag-wool
IPC: C08L61/10
Filed: 1952-06-09
Abstract: A method of making a binding-agent for mineral wools (e.g glass wool or slag wool) consisting of a water-soluble phenol-formaldehyde resin containing sodium or potassium hydroxide, comprises adding an ammonium salt of an inorganic or organic acid to an ammoniacal solution of the resin.  The ammonium salt and the alkali metal hydroxide react during the drying and hardening process following the application of the resin to the fibres whereby ammonia is liberated and the alkali metal hydroxide is neutralized by the acid of the ammonium salt. p  The inorganic ammonium salt may be added in excess of that required to effect neutralization whereby the inflammability of the resin is reduced.  In examples, there are added to an ammoniacal solution of a phenolformaldehyde resin containing sodium hydroxide (1) ammonium sulphate; (2) colophony saponified with ammonia; (3) ammonium stearate and ammonium sulphate.
Patent GB-1159866-A (GB)
Title: Process and apparatus for Shaping a Shoe Upper and Bonding a Shoe Upper to an Insole
IPC: A43D25/07
Filed: 1967-03-30
Abstract: 1,159,866. Cementing shoe uppers to insoles. UNION CARBIDE CORP. 30 March, 1967 [1 April, 1966], No. 14509/67. Heading A3B. A shoe upper is bonded to an insole by placing an insole sheet 66 and shoe upper material 64, one or both of which is coated with adhesive, on a shoe last 60, which is pressed into an elastomeric sheet 5 surrounded by fluid under pressure to cause the shoe upper material to conform to the shape of the last 60 and to bond to the insole sheet 66. As described, downward pressure is applied to handles 49 to cause the last 60 attached to a plate 26 to depress the elastomeric sheet 5 such as rubber into a box 7 containing the fluid such as water, steam, oil, air, nitrogen, argon or heated liquids or salts. The edges 65 of the shoe upper material 64 are thus turned over and bonded to the insole sheet 66. The elastomeric sheet 5 is covered by a steel plate 2 having an aperture to allow passage therethrough of the last 60. The last 60 may be automatically lowered.
Patent GB-424317-A (GB)
Title: Electric battery lamp switch
IPC: F21L4/00
Filed: 1934-05-14
Abstract: 424,317. Press - button switches. ELEKTROTECHNISCHE FABRIK SCHMIDT & CO., GES., 620, Teplitzerstrasse, Bodenbach-on-Elbe, Czecho-Slovakia. May 14, 1934, No. 14523. Convention date, May 15, 1933. Addition to 410,613. [Class 38 (v)] [See also Group XI] In a sliding battery lamp switch as claimed in the parent Specification, momentary contact is obtained by pressing in the actuating knob 6 when in the off position, the contact tongue 5 forming one arm of a two - armed lever pivoting about a point 14 formed in the casing, the other arm carrying the knob. On pressing the knob, the attached tongue 5 touches a contact 2 and on sliding the knob, the tongue 5, which is a spring strip, touches a contact 3. The portion of the tongue carrying the knob is covered by a fixed housing 4, slides externally of the main casing, and has outwardly extending projections engaging in separate holes in the casing in the end " on " and " off " positions.
Patent GB-894645-A (GB)
Title: Improvements in or relating to oscillation generators with means for controlling theamplitude of oscillations
Inventor: PINTELL ROBERT HERMAN
IPC: H03L5/00
Filed: 1958-05-07
Abstract: 894,645. Automatic amplitude control systems. INTRON INTERNATIONALE Inc. May 7, 1958, No. 14551/58. Class 38 (4). [Also in Group XL (c)] A modulated push-pull oscillator has transformer coupling between its output and control electrodes and a modulation amplifier connected between the centre taps of the transformer windings. An oscillator 500a, 500b (Fig. 5) has connected across its grid circuits a capacitor 518 producing self-bias by grid current flow and a modulator valve 510 varying the grid leak resistance. The modulation source 515 may also have part of its output rectified to produce a variable bias for the modulator valve 510, the system producing no leakage current at zero signal. In a modification, Fig. 4, transistors in push-pull with common base connection are employed for the oscillator and a transistor 410 produces a variable leak resistance across selfbias capacitor 418 in accordance with a modulation source 415. Its output, rectified, produces an amplified modulation signal. Base resistor 417 may be of high value forming with capacitor 418 a high time constant, so that on switching on the oscillator a rapid build-up of oscillation is produced. A switch 425 may disconnect the modulation and connect back the output through a rectifier 421 and gaseous tube 424 to the modulator input to stabilize the oscillator amplitude. The resistors 426, 417 may also be heat-sensitive to compensate amplitude variations. In a modification, the transistors are each replaced by double-base and amplifying semi-conductor diodes. Fig. 3 shows a magnetoresistor push-pull oscillator 300a, 300b with R-C circuit R, 318 shunting the feed-back path 308 and feed-back windings, the resistor R being part of a further magneto-resistor amplifier 310 amplitude-modulating the oscillator output in response to a variable voltage from a potentiometer tap 323 applied to its energizing winding. The control voltage is applied to this winding in series with a Zener diode and a rectifier bridge 322 producing a D.C. voltage across the potentiometer proportional to the oscillator amplitude, i.e. stabilizing the selected oscillator amplitude taken from across the output diagonal of the rectifier bridge. The three amplifiers may be magnetically biased by a D.C. current from source 305 passing through windings 319b, 319a, 319c. The resistors may be of bismuth, or indium antimonide or arsenide.
Patent GB-1185666-A (GB)
Title: A Process for Producing Images
IPC: G03C1/705
Filed: 1967-03-30
Abstract: 1,185,666. Photographic process. ITEK CORP. March 30, 1967 [April 21, 1966], No.14584/67. Headings G2C and G2H. At least two images are formed on a photoconductive member by (a) forming an electrostatic image on a surface thereof, (b) developing the image with an electroscopic material, (c) imagewise exposing the surface to form an image comprising areas of different chemical reactivity, and (d) developing the exposed surface using a redox system. In modifications (i) steps (c) and (d) are effected before steps (a) and (b), or (ii) steps (a) and (c) are effected simultaneously by uniformly charging and then imagewise exposing the surface, the non-exposed areas being developed by step (b) and the exposed areas by step (d). Further images may be superimposed on the member by repeating the necessary steps. Step (b) may be affected using finely divided electroscopic particles in the form of a powder, liquid dispersion or aerosol. Step (d) may be effected by treating the surface with a solution containing Ag, Au, Hg and/or Cu ions, optionally followed by treatment with an acid solution of a reducing agent for the metal ion or a solution which forms a dye image.
Patent GB-621112-A (GB)
Title: Improvements relating to the colouring of asbestos-cement and like materials
IPC: C04B41/61
Filed: 1945-06-08
Abstract: Asbestos-cement or like material is coloured by binding a layer of pigment to it while it is still plastic by fluxing an intermediate layer consisting of or containing discrete particles or pieces of binding material which on being fluxed form a continuous layer impervious to moisture.  In the preferred process the asbestos cement &c. is covered with dry granulated or powdered binding material, a layer of pigment applied over the binding material and the temperature then raised e.g. in an oven sufficiently to flux the binding material.  The binding material may be a natural or artificial bitumen, asphalt pitch, an aromatic petroleum residue or a resin, or a mixture of two or more of these, and may be applied dry by showering on to the asbestos cement or the like or as an emulsion by spraying.  The pigment which may be pre-heated, may also be showered on to the asbestos-cement and may be applied in excess, this excess being removed after the fluxing.  The process may be carried out in apparatus comprising hoppers from which the binding material and pigment are discharged on to the sheet carried by a conveyer (see Group XXX), the sheet subsequently passing through an oven and under a suction device to remove surplus pigment and return it to the hopper.  Specification 621,113, [Group XXX], is referred to.
Patent GB-825021-A (GB)
Title: Unsaturated aldehydes
Filed: 1957-05-08
Abstract: An unsaturated aldehyde is produced from formaldehyde, an aldehyde containing at least 3 carbon atoms and a salt of a secondary amine by feeding the aldehydes, amine salt and water to a reaction zone at superatmospheric pressure and at a temperature in the range 90 DEG to 120 DEG  C., maintaining the reactants in the zone until at least 90% of the higher aldehyde is converted to the Mannich base salt, feeding the mixture thus produced continuously into a second reaction zone at an elevated temperature sufficiently high to decompose the Mannich base salt to form an unsaturated aldehyde and an aqueous solution of the amine salt, boiling the reaction mixture to drive off the unsaturated aldehyde continuously, and continuously recycling the aqueous amine salt to the first reaction zone.  The process is of particular importance in the production of methacrolein starting from formaldehyde, propionaldehyde and dimethylamine hydrochloride, which may be represented as follows:-  <FORM:0825021/IV (b)/1>
Patent GB-742387-A (GB)
Title: Method of applying a coating of a high melting point material utilizing detonation waves
Inventor: POORMAN RICHARD MARION
IPC: B02C19/06
Filed: 1952-06-11
Abstract: Coatings of boron carbide or tungsten carbide are formed on foundation surfaces using a detonation spray gun (see Group XXIX), the tungsten carbide composition fed to the gun comprising about 9 per cent cobalt and 4 per cent carbon and being of a particle size of 10 to 40 microns.  The coatings comprise mixed layers of WC, W2 C, and complex carbides or cobalt and tungsten.  The density is stated to be 14.5 g./c.c. and the porosity less than 1 per cent. Specifications 742,459, [Group II], and 742,460, [Group XXII], are referred to.ALSO:A method of applying a coating of a high melting point material to a workpiece comprises providing a comminuted coating material in the path of detonation waves produced by igniting a detonatable mixture of a fluid fuel e.g. acetylene, and an oxidising gas, e.g. air, in an elongated container, the open end of which is directed towards the workpiece, the coating material consisting of comminuted molybdenum, tungsten, cobalt-chromium-tungsten alloy, nickel-molybdenum alloy, boron carbide, a tungsten carbide composition, a mixture of a soft metal powder, e.g. aluminium, with a powdered hard material, e.g. alumina, or a mixture of iron, chromium and nickel powders.  A detonation wave is a combustion in which the flame front moves at supersonic speeds in the unburnt gases.  The apparatus for creating the detonation and ejecting the powder is described in Group XXIX.  Foundation surfaces may be of metal, glass, wood, paper or plastic.  Specifications 742,459 and 742,460, [Group XXII], are referred to.
Patent GB-373772-A (GB)
Title: Deodorising or disinfecting apparatus for use in connection with flushing devices
IPC: E03D9/04
Filed: 1931-05-19
Abstract: 373,772. Disinfectant &c. sprayers. HOGG, T., 47, North Street, Brighton. May 19, 1931, No. 14694. [Class 26.] A disinfectant &c. sprayer which is included as part of the means for operating flushing apparatus, c o m - prises a chamber a containing disinfectant &c., and an air chamber g having flexible walls and a tension-spring h; air enters the chamber through an aperture o provided with a flap p, and is forced out through a restricted aperture q near the upper end of a tube r communicating with the chamber a. A chain t to prevent undue extension of the walls of the chamber g and a guard fare provided.
Patent GB-185202-A (GB)
Title: Improvements in or relating to the supporting of boots or shoes for sole levelling
IPC: A43D35/00
Filed: 1921-05-28
Abstract: 185,202. Cooper, B. P., Keall, F. B., Minett, W. T., and British United Shoe Machinery Co., Ltd. May 28, 1921. Sole-levelling.-In a direct-pressure levelling- machine, means are provided for levelling the sole of a shoe by a shaped bottom-pressing form while the shoe is on the last, such means including a cradle therein the shoe rests. The foot-carrying shank 1, Fig. 1, of a machine of the kind described in Specification 107,614, carries a block 4 clamped to, or integral with it, on the face 2 of which is fixed the cradle 3 by nuts 8 and bolts 5 pivoted on pins 7 in recesses in the block 4. The cradle is positioned transversely on the face by a tongue on the cradle and groove on the face, and longitudinally by the bolts 5 entering slots in the cradle. The cradle is shaped to the forepart of the last and extends as a longitudinal band round the heel part and has a thin lining of felt. The crown of the last is supported by a post 12 which slides in inclined guidewavs 13 on the block 4 and is correctly positioned for different sizes of cradles by a pin 15 on a connecting link 14 entering slots in the face 17 of the cradle. Each cradle is shaped to the particular style of shoe it is to support and usually fits two sizes. In a modified form, Fig. 3, the parts are made adjustable. The block 4 has two oppositely inclined guideways along which the cradle support 18 and last-crown support 19 are respectively adjustable by means of screws 35, 35<1> engaging nuts 36 on each support and interconnected by bevel-pinions 38, 39. The pitch of the screw 35<1> is twice that of the screw 35. The cradle 21 which in this form supports only the forepart of the shoe is secured on the support 18 by pins 22, 23 and a spring locking-plunger 24. The support 19 has at its upper end a curved guideway 27 in which slides a guide on the last-crown rest 28, which in turn has at its upper end an undercut circular recess 30 having a narrower opening at each side of the rest. A block 31 having an upper recessed face is formed on its underside with an undercut tongue 32 with parallel straight sides and circular dovetailed ends. The tongue is slid through one of the openings and turned through 90‹ to engage the dovetailed ends with the circular recess. The block 31 is held in position by a spring plunger 33. To steady the heel end of the last a metal band 40 is adapted to turn on pivots 41 and be locked by screw and slot connections 42. The gearing 35, 38, 39 is protected by a telescopic casing 43. A method of producing the cradles is described. A last is supported in a box in the same position relatively to the base of the box as it would occupy during levelling relatively to the back of the mould, and a plaster cast is taken of the forepart of the last, an inclined opening in the box giving the part of the cast corresponding to the face 20 of the support 18. Specifications 11841/10 and 14497/11 also are referred to.
Patent GB-494118-A (GB)
Title: Improvements relating to machines for weighing cigarettes
IPC: G01G19/00
Filed: 1937-05-29
Abstract: 494,118. Weighing cigarettes. CARRERAS, Ltd., and SMITH, A. R. May 29, 1937, No. 14980. [Class 143] Relates to a machine for automatically checking and recording the weight of cigarettes, of the kind wherein an arm carrying a style or other marking device extends from a weigh beam carrying a weigh pan and is associated with means whereby it can be moved automatically after each weighing operation to press the marking device into contact with a record strip or sheet on a movable support. According to the invention the record strip or sheet is carried on a drum or disc to which intermittent and unidirectional angular movements are automatically imparted. The cigarettes, placed in a hopper 40 by the attendant, are fed by a partially fluted drum 39 (one from each flute) to a trough 42 whence they fall through a gap 44 into the scale panb. The fluted drum makes two revolutions during each cycle of operations, and during the second revolution a pivoted flap 45 is turned by a cam-actuated lever 46 so as to bridge the gap 44 and deliver the surplus cigarettes down a shoot 43 to a receptacle 51. Whilst the cigarettes are being charged into the scale pan, the beam a is locked by two arms 6 (one at each side of the beam fulcrum) actuated by a cam 3. Permanent records, apparatus for giving.- The beam a carries a flexible arm g terminating in a marker h. A spring-pressed lever k, o actuated by a cam l engages the flexible arm and after each weighing operation presses the marker h against the paper covered surface of the recording drum or disc i. The recording drum is advanced by a cam-operated lever wand unidirectional coupling y, between successive markings. The positions of the marks relative to a datum line give an indication of the uniformity or otherwise of the cigarettes. A cam-actuated pad q inks the marker. Discharge from scale pan The scale pan is provided with spring - controlled discharge flaps 8 which are opened, to discharge the cigarettes into the receptacle 51, by the pressure of a lever 9 upon flap levers 15. The lever 9 is rocked by a cam 10 having a deep recess 16 therein. To assist the lever 9 out of the recess 16 a spring-loaded bell-crank lever 17 is pivoted on the cam 10 and during the rotation of the cam is actuated by a fixed abutment 18 so as to remove the lever 9 from the recess. The machine is driven through a clutch on a shaft 24, the clutch being put into operation by depressing a spring-loaded hand-lever 30, 31 which is retained in the depressed position by a catch plate 33 until the catch plate is released at the end of a cycle of operations by the discharge movement of the lever 9 whereupon the hand-lever rises, disengages the clutch and stops the machine.
Patent GB-215989-A (GB)
Title: Improvements in and relating to cruet frames or stands and the like
IPC: A47G23/02
Filed: 1923-06-08
Abstract: 215,989. Laughton, G. A. June 8, 1923. Stands.-A cruet or like stand comprises a celluloid base a and a skeleton metal framework c having vertical rods or pillars f which pass through the base a and are secured by nuts k serving as feet. According to the Provisional Specification, other untarnishable materials, e.g. glass, may be used instead of celluloid.
Patent GB-217935-A (GB)
Title: Collapsible containers
IPC: B65D35/00
Filed: 1924-06-23
Abstract: 217,935. Viegetmann, R. June 22, 1923, [Convention date]. Capsules.-A collapsable container for toilet preparations, of a size adapted for a single use only, is formed with a nozzle comprising releasably interlocking or interengaging pliable walls 7, 6 which separate under pressure when the container is squeezed. The walls of the nozzle may be crimped together as shown in Fig. 5, or the end of the nozzle may be curved, and the upper margin of the walls may be doubled over upon the body of the walls, or may be twisted together. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a tube, 2, Fig. 10 (Cancelled), which is filled from the upper open end and is closed by folding over the corners 9, leaving an outlet 10 which is crimped and pressed together. The containers may be used for medical purposes and the nozzles may be sterilized before use. This subject-matter does not appear in the Specification as accepted.