baber/WOPTO huggingface dataset:
Patent GB-402868-A (GB)
Title: Improvements relating to the tuning of electrical circuits
IPC: H03J1/04
Filed: 1932-06-22
Abstract: 402,868. Adjusting wireless apparatus. SIX-SIXTY RADIO CO., Ltd., 17, Rathbone Place, Oxford Street, London, and WHEELDON, D. P., Rosedale, The Green, Sutton, Surrey. June 22, 1932, No. 17650. [Class 37.] Adjusting-mechanism for a tuning element such as a variable condenser is arranged to produce relative movement between a scale extending over more than 180‹ and a beam of light acting as a pointer, the rate of movement being variable with respect to the movement of the tuning element so as to produce a scale which is more open over at least one part than over the remainder. A metal ring 9 having a central portion 12 is rotatably mounted on a rivet 13 fixed to the frame 6 and carries a metal box 15 divided into two compartments by a central partition. Each compartment contains a small electric lamp and has a slot in its front wall. The box 15 moves behind a translucent dial, the illuminated slots serving as indicators moving over long and short wave scales. To the part 12 is fixed a pin 21 which engages a slot 22 in an arm 23 fixed to the spindle 25 of the condenser. The ring 9 is rotated by friction discs on a driving spindle 5. Owing to the axes of rotation of the condenser spindle and the ring 9 being offset the pin 21 moves radially along the slot 22 during its rotation, thereby varying the rate of relative angular movement between the condenser spindle and the indicating lamps, and causing the ring 9 and its associated indicator to move through a greater angle than the maximum range of motion of the condenser spindle. With the arrangement shown, the scale is most open at its central part, but by altering the setting of the arm 23 on the condenser spindle 25, the open part of the scale may be brought to any desired position. The indicating lamps may be controlled by a twoway switch interlinked with the wave-change switch, and may also be in circuit with a control knob switch as described in Specification 384,796.
Patent GB-917879-A (GB)
Title: Improvements in and relating to diaphragms
IPC: C25B13/06
Filed: 1961-05-16
Abstract: A method of preparing a diaphragm for use in an electrolytic alkali-chlorine cell comprises dissolving at least one acidic unsaturated organic compound in a non-polymerizable solvent, impregnating an asbestos diaphragm with the solution, evaporating the solvent, contacting the substantially solvent-free diaphragm with a co-polymerizable olefinically unsaturated compound containing at least two <FORM:0917879/IV(a)/1> groups, and copolymerizing the acidic compound and co-polymerizable compound thereon.  The acidic compound may be a carboxylic or sulphonic acid or an anhydride or salt thereof, e.g. maleic anhydride, anhydrides and acid chlorides of acrylic or styrene parasulphonic acids or salts thereof.  Solvents specified are ethers such as dioxane, chlorinated hydrocarbons such as ethylene dichloride, and ketones such as acetone. Poly-unsaturated comonomers specified are divinyl-benzene, -toluenes, -naphthalenes, -phenyl vinyl ethers and -diphenyls and alkyl substituted derivatives thereof, diallyl esters, e.g. diallyl phthalate, ethylene glycol dimethacrylate and liquid polybutadiene.  Optionally monovinyl aromatic compounds and their alpha-alkyl substituted derivatives may also be present, e.g. vinyl-toluenes, -naphthalenes, -ethyl benzene, -chlorobenzenes and -xylenes.  Polymerization catalysts specified are benzoyl peroxide, 2 azo-bis(isobutyronitrile), boron trifluoride and peroxydicarbonates, e.g. isopropyl peroxydicarbonate.  Forms of asbestos specified are chrysotile, crocidolite, anthophyllite and amosite.  The diaphragm may be impregnated with 6 to 300 wt. per cent polymer based on the dry asbestos.  In an example crocidolite asbestos paper impregnated with copolymers of maleic anhydrides and divinyl benzene are used as membranes in cells operated at average voltages ranging from 4,1 to 5,1.  Specification 907,484 is referred to.
Patent GB-152435-A (GB)
Title: Improvements in or relating to coin freed delivery apparatus
IPC: G07F17/18
Filed: 1919-07-16
Abstract: 152,435. Karck, G. S. July 16, 1919. Hiring towels.-An automatic delivery apparatus for towels comprises shelves a on which the towels are stored and a rod d on which slide rings g attached to the towels by chains. The rod is detachably mounted in clips e, e<1> so that it can be removed and the rings of used towels slid off. An upper extension j serves to retain the rings of unused towels, which are slid up and engaged by a. catch n when the removal is taking place. The apparatus is enclosed in a locked case c.
Patent GB-927921-A (GB)
Title: Improvements in or relating to the manufacture of ceramic bodies
IPC: C04B33/13
Filed: 1960-05-20
Abstract: Thin ceramic bodies such as miniture capacitors, insulating plates, or ceramic resistors are produced by coating a flat base with a mixture comprising a pulverulent sinterable material and a binding agent, drying the mixture, removing the coherent layer, disposing a plurality of said layers or portions of said layers in face-to-face contact, pressing the laminate without deformation, and sintering the laminate.  In one example 60 gms. of a mixture comprising 64% by weight clay, 18% by weight of potassium feldspar, and 18% quartz are mixed with 25 gms of a binder such as polystyrene, 200 ml of trichlorethylene, and 8 ml of a softener such as dioctyl phthalate. The resultant mixture is spread on to a number of glass plates and each coating is trimmed with a knife when dry, and pairs of the layers produced are pressed together with a roller, those faces contacting each other which initially contacted the glass.  Plates are cut or stamped from the laminate and are later sintered.  The materials may be presintered and other examples include the use of florites and titanates.
Patent GB-778790-A (GB)
Title: Automatic emergency electrical systems
Inventor: PALMER MAX
IPC: H02J9/02
Filed: 1955-06-21
Abstract: 778,790. Substituting supply sources. HOBBY & BROWN ELECTRONIC CORPORATION. June 21, 1955, No. 17889/55. Class 38 (4). In the event of failure of power supply 15, a pilot lamp 26 is extinguished and relay 19 releases its armature so that a load represented by lamps 17 is supplied from stand-by battery 18. Normally, the battery is charged from the mains 15 through terminals A, B which, when the supply is of alternating current, are connected to the mains through transformer 21 and rectifier 22. When the battery voltage reaches a predetermined value, a relay 20 operates to connect resistor 45 in circuit and so reduce the rate of charging. A test button 30 is provided to simulate a failure of the mains supply. With a main D.C. supply, the transformer and rectifier are dispensed with, Fig. 2 (not shown).
Patent GB-235738-A (GB)
Title: Apparatus for sorting or separating granular and like materials
IPC: B07B13/00
Filed: 1924-07-26
Abstract: 235,738. Barr, A. July 26, 1924. Separating by rotary conical discs.-Apparatus for sorting granular material consists of a conical disc A rotating about its axis B which is inclined so that the lowest straight generating line of the cone inclines downwardly from the apex K to the rim. The material is fed bv a shoot D and is separated into two grades which are discharged respectively over the rim of the cone into a hopper E and through apertures G at the apex into a hopper H. The vertex angle of the cone and the inclination of the axis may be varied, and the surface may be of glass, porcelain, or cement and may be polished or roughened, painted, or varnished or lined with paper, cloth or india-rubber to suit the conditions of the separation. The disc may be driven by a belt and pulley C or by the materials falling from a height.
Patent GB-992934-A (GB)
Title: Improvements in or relating to electric resistance measuring instruments
Inventor: HAWKINS FRANCIS GILES
IPC: G01R27/02
Filed: 1960-05-20
Abstract: 992, 934. Measuring resistance; electric meters. NEWPORT INSTRUMENT (SCIENTIFIC & MOBILE) Ltd. Aug. 17, 1961 [May 20, 1960], No. 17934/60. Headings G1Q and G1U. [Also in Division H2] In a resistance measuring arrangement which provides a facility for measuring high resistance, an oscillator/rectifier arrangement is included (comprising transistors TR2, TR3 in push pull, transformer T and diodes REC) for generating a high test potential from a low voltage power source BT, the low voltage input to the oscillator being applied by way of a voltage regulating circuit incorporating a transistor TR1. The input to this transistor may be taken from across a Zener diode D1. Facilities are provided for measuring either very high, intermediate or very low resistance across the test terminals TT by setting the range control switch, consisting of four ganged sections SR1-4, appropriately. This control arranges that the supplies for the intermediate and low resistance measurements are taken via the potentiometer networks R4, R5 and R6, R7 respectively from the voltage regulating circuit. The measurement is made using the microammeter M, which is arranged to be in series with the supplies for high and intermediate measurements, but in shunt for the low resistance measurement. The resistor R8 and the Zener diode D2 are connected across the meter to improve the scale shaping thereof. The neon tube N indicates when the high test voltage is present. Specification 912,540 is referred to.
Patent GB-546033-A (GB)
Title: Improvements in or relating to weighing or other apparatus
IPC: G01G23/00
Filed: 1940-12-21
Abstract: 546,033. Dislodging dust from weighing and other apparatus, MOLINS, D. W., and MOLINS MACHINE CO., Ltd. Dec. 21, 1940, No. 17982. [Class 8 (ii)] In a weighing or other apparatus wherein articles are delivered to a side pan or other receptacle movably mounted on a support and controlled by a guide element, means are provided for agitating the guide element in order to dislodge dust or other noxious matter and thereby maintain freedom of movement between the guide element and the receptacle. As shown applied to an apparatus for weighing bullets as they are successively delivered by a transfer device 9, the swinging movement of a scale pan 1 mounted on a weigh beam 2 is controlled by a guide element 4 supported by a leaf spring 5. A cam 8 engages the free end of the leaf spring and agitates the guide element sufficiently to dislodge the dust and maintain freedom-of movement between the scale pan and the guide element. The agitation of the guide element may alternatively be effected by tapping. Specification 528,388, [Group XVIII], is referred to.
Patent GB-967003-A (GB)
Title: Vibrator device
IPC: H02K33/04
Filed: 1961-05-18
Abstract: 967,003. Reciprocating motors. C. O. H. ANDERSEN. May 18, 1961 [May 25, 1960], No. 18066/61. Heading H2A. [Also in Division B1] Vibrating table 8 is mounted on annular resilient packing 7, e.g. of foam rubber, and carries an iron armature 9 which is periodically attracted to cores 10 of an A.C. electromagnet 4. The vibration is made more sinusoidal by the throttling action of air vent 2. Permanent magnet 11 may be incorporated in table 8 for holding ferro-magnetic containers.
Patent GB-1200263-A (GB)
Title: Improvements in or relating to axle-boxes with apertures sealed by resilient stoppers
IPC: F16J13/14
Filed: 1968-04-17
Abstract: 1,200,263. Grommets. SVENSKA KULLAGER FABRIKEN A.B. 17 April, 1968 [18 April, 1967], No. 18142/68. Heading F2H. A stopper of elastic material sealing a hole in an axle-box includes a flexible lip 5 and a more rigid lip 6 spaced from one another, the external diameter of the lip 6 being less than that of lip 5 and the side of the lip 5 facing towards the lip 6 extending radially outwardly towards the lip 6. An additional lip 7 may be provided between lips 5 and 6, having a smaller diameter than the lip 6. The stopper may he of rubber or plastics material.
Patent GB-273110-A (GB)
Title: Improvements in or relating to nuts for trousers and like presses
IPC: A47G25/72
Filed: 1926-07-21
Abstract: 273,110. Watts, J. R. July 21, 1926. Trouser presses.-Relates to nuts for trousers and like presses and of the type comprising two half-nuts normally separated by a spring and closed on a screw by the engagement of conical ends on the half-nuts with a conical recess in a washer or the like. The barrel 4, Figs. 1 and 2, having exterior wings or arms 5, contains two spring-controlled half-nuts 6 formed with flanges 7 to engage a shoulder 8 in the barrel, a screwed ring or cap retaining the nuts inside the barrel and a projection or projections 10 on the inside of the barrel entering a space between the halfnuts 6 at one or both sides thereof to prevent relative rotation of the half-nuts and barrel. A cylinder 13 having a greater internal diameter than the screw-thread cut in the half-nuts and a coned end 14 coacting with the half-nuts is arranged to slide and rotate in the barrel, in which it is retained by set-screws 15. The spring is preferably in the form of a split sleeve 11 disposed in a recess of the half-nuts 6 of greater diameter than the screw-thread cut therein. A chordal pin or pins may replace the screws 15 which engage the external groove 16 in the cylinder 13. In a modification, relative rotation of the half-nuts and barrel is prevented by making a portion of the barrel beyond which the coned cylinder is situated of a cross-section other than circular and a portion of half-nuts enclosed thereby of a corresponding shape; the flanges 7 may be hexagonal, or circular with projecting lugs engaging grooves in the barrel.
Patent GB-451887-A (GB)
Title: Improvements in and relating to leaf springs
IPC: F16F1/18
Filed: 1935-06-25
Abstract: 451,887. Laminated springs. HOESCHKOLN NEUESSEN AKT.-GES. FUR BERGBAU UND HUTTENBETRIEB, Dortmund, Germany. June 25, 1935, No. 18218. Convention date, June 29, 1934. [Class 108 (iii)] The ends of the leaves of a laminated spring are tapered in longitudinal section the taper having the form of a concave chamfer, which may be circular, Fig. 5, parabolic, Fig. 7, or have the form of a logarithmic curve. In plan view the ends of the leaves may be rounded, square, spear-shaped, &c.
Patent GB-143754-A (GB)
Title: Heating stove for motor-car radiators
IPC: F02N19/10
Filed: 1919-07-23
Abstract: 143,754. Smith, F. J., and Hughes, F. July 23, 1919. Stoves for heating motorvehicle radiators. - Apparatus for preventing the freezing of radiators when they are not in use consists of a box-like casing 1 containing an oil-stove 6 or the like. The oil stove is inserted through a side opening with a hinged door 2; it has a long oil reservoir with a flange 8 engaging with guides 9. The front has air inlets 11 and may have an inspection window 10. Baffles 12, 16, 19 deflect part of the gases through gauzecovered openings 22, 23 into the bonnet of the car, the remainder passing away through an opening 31. The heater may be connected by loops 26 and straps 27 to the filler 28 of the radiator and to other parts of the car frame. The rear face of the casing may be edged with strips of felt to make a close fit with the frame of the radiator.
Patent GB-278468-A (GB)
Title: Method of and means for separating fine sand from sludge
IPC: E03F5/14
Filed: 1926-07-22
Abstract: 278,468. Rikof, O. N. July 22, 1926. Upward-current classifiers.-Apparatus for separating sand from sludge comprises a hopper k having a conical bottom and a central inlet pipe j for sludge within which is a clean water supply pipe w opening near the bottom of the hopper and carrying a diffuser q. Water may also be admitted through radial pipes n. The dirty water overflows into a gutter o, while the clean sand is discharged through an outlet l. Specification 14014/14 is referred to.
Patent GB-1186345-A (GB)
Title: A Rotary Fluid Motor or Pump
Inventor: FLITCROFT JOHN THOMAS
IPC: F01C21/08
Filed: 1966-04-27
Abstract: 1,186,345. Rotary motors and pumps. J. T. FLITCROFT. April 25, 1967 [April 27, 1966], No. 18359/66. Heading F1F. A rotary hydraulic or pneumatic motor (or pump) comprises a rotary and non-rotary members, one located within a chamber formed within the other, one member including a vane having inlet and outlet ports and the other slidably mounting vanes which divide the chamber into a pressurized part and an unpressurized part and means whereby each part is alternately pressurized and unpressurized. As shown, a rotor 12, Fig.4 concentrically mounted within a stator 10 is formed with a vane 13 having ports 24, 27 opening into the chamber and communicating respectively with a supply of pressure fluid and exhaust. Diametrically oppositely disposed spring-loaded vanes 21a, 21b slidable in slots 22a in the stator are operably connected to the rotor by a cam and cam followers to move away from the rotor to permit passage of the vane 13. The slots 22a are connected by transfer passages 35 with the chamber. In use, pressure fluid admitted through port 24 pressurizes the space 28, and passes to the back of the vane 21b resulting in the rotor 12 rotating anti-clockwise and expelling pressure fluid from the space 29 through the port 27 to exhaust. At this stage the part 30 of the chamber is inoperative. When the vane 13 approaches the vane 21a the latter is moved away from the rotor by the cam and the vane 13 occupies the position of the vane 21a. In this position, the whole of the chamber is operative, the left half being pressurized and the right half open to exhaust. As soon as the vane 13 passes this position the spring returns the vane 21a, the vane 13 continues to rotate anticlockwise through the pressure fluid now admitted between the vane 21a and the vane 13 and the fluid previously trapped behind the vane 21b escapes into the left half of the chamber to allow a smooth even rotation of the rotor with this part of the chamber now becoming inoperative. The rotor may be driven when the device may operate as a pump. There may be more than one vane 13 and more than two vanes 21a, 21b. By providing passages 35 on either side of the vanes 21a, 21b and closing and opening them individually the device may on altering the function of the ports 24, 27 rotate in either direction. Alternatively, the rotor 12 with its vane 13 may be held stationary whilst the housing or a part thereof including the vanes 21a, 21b rotate.
Patent GB-357151-A (GB)
Title: Improvements in gloves
IPC: A41D19/00
Filed: 1930-06-16
Abstract: 357,151. Gloves. RIGDEN, W. F., RIGDEN, E. F., RIGDEN, S. F., and SPALL, L. A., (trading as FOWNES BROS. & CO.), 71, Gresham Street, London.-(Lucy, A. C. ; 12, Rue General Rambaud, Grenoble, France.. ) June 16, 1930, No. 18426. [Class 141.] Gloves are caused to grip at the wrist without straps, elastic, or like gathering means, by providing, at the wrist portion of the glove, lines of stitching 2. These may be of V-form, as shown, and, preferably, the 'stitching takes up a certain amount of the material of the glove, forming ridges inside the wrist portion.
Patent GB-169800-A (GB)
Title: Improvements in torsion meters
Filed: 1920-07-03
Abstract: 169,800. Carter, B. C. July 3, 1920. Indicating, optical devices for.-An optical device for measuring the torsion of the crank shafts of internal combustion engines and the like under torque condition comprises two relatively adjustable mirrors mounted on the opposite ends of the crank shaft, and one or more intermediate stationary mirrors by means of which a stopped directed beam of light is deflected from one rotating mirror to the other, and from thence directly or indirectly into a telescope or on to a scale. In the arrangement shown in Fig. 1, the crank shaft 5 carries the mirrors 3, 4 and the stationary mirrors 7, 6 are mounted on the engine casing 10. The mirror 3 is angularly adjustable about the crank shaft axis so that the beam of light may be thrown on to the same point in the telescope or on the scale 9. This adjustment is affected by the micrometer device shown in Fig. 2, and is a measure of the amount of twist for the crank-shaft under the test conditions. In an arrangement applied to a rotary engine, only one stationarv intermediate mirror is used. In order to determine the cyclical twist in the crank shaft for any other position relative to the crank case, the rotatable mirrors are secured on the crank shaft, as by means of band clips, in other angular positions with reference to the lines of the cranks; or the supporting structure of the mirrors 6, 7 may be mounted so as to be adjustable about the crank shaft axis. In the micrometer adjustment shown in Fig. 2, the mirror 3 is mounted on a cap 12 of a sleeve 13 movable in an outer sleeve 14. The sleeve 13 has splines 16 engaging with a sleeve 17, and the member 17 engages by means of quick pitch threads 18 with a central spindle 19 coupled to the crankshaft 5 at 20. A spring 22 is arranged between a thrust bearing 23 in the outer sleeve 15 of the crank case and a disc 24 connected to a slidable sleeve 17, and a spring 26 maintains the cap 12 pressed against the end of the shaft. To adjust the mirror angularly about the shaft, the grip member 28 is turned. This causes the sleeve 17 to move endwise on the shaft with a rotational movement, which is communicated to the mirror 3 by the supporting sleeve 13.
Patent GB-193341-A (GB)
Title: Improvements in or relating to bottle capping devices
IPC: B67B3/10
Filed: 1922-07-05
Abstract: 193,341. Letts, E. M., and Annabel, C. C. July 5, 1922. ' Crown corks,' applying. - Relates to bottle- - capping devices of the type described in Specification 169,400. Two main members 10, 11 are pivoted at 12, and the forward ends carry a capholding device 10<1> and bottle-holding device 11<1> respectively. The members are adapted to be brought together by toggle mechanism comprising a link 13 pivoted at 15 to the member 10 and at 16 to a lever 14 pivoted at 17 to the member 11. The cap-holding device 10<1> has a frusto-conical recess 10<2> to hold the cap and the bottle-holding device 11<1> has an aluminium plate 20 adapted to bear against the bead 19<1> of the bottle. The parts of the device may be stamped from sheet-metal. In a modification, the lever 14 is pivoted to the member 10 and the toggle mechanism is reversed.
Patent GB-982581-A (GB)
Title: Improvements in tracked vehicles
Inventor: HUTCHINSON DEREK MICHAEL
IPC: B62D55/116
Filed: 1961-05-23
Abstract: 982,581. Endless-track vehicles. W. G. ALLEN & SONS (TIPTON) Ltd. July 20, 1962 [May 23, 1961], No. 18500/61. Heading B7H. Each track of an endlesstrack vehicle extends around a pair of bogies, each having a pair of track engaging wheels with the wheel on one or both bogies remote from the other bogie having a diameter greater than that of the other wheels, and each bogie being pivotally connected to the vehicle between the wheel axes such that pivoting of either bogie shortens the track path to prevent the track from being broken when it is deflected by an obstruction or by stones trapped between the track and the wheels. In Fig. 1, each track 10 extends around large wheels 13, 14 and smaller wheels 15, 16 on bogies 11, 12 and also around one or more jockey wheels 17 carried by the bogies. In another embodiment, Fig. 3, the wheels 35, 36, 37 are of equal diameter and only a driving wheel 38 is of larger diameter. Damping devices or springs may be provided to control oscillation of the bogies. The pivotal axes of the bogies are preferably positioned so that each wheel is equally loaded.