baber/WOPTO huggingface dataset:
Patent GB-784497-A (GB)
Title: Improvements in magnetic drum storage devices
IPC: G06F15/78
Filed: 1954-02-02
Abstract: 784,497. Electric digital-data-storage apparatus. INTERNATIONAL BUSINESS MACHINES CORPORATION. Feb. 2,1954 [Feb. 5, 1953], No. 8578/57. Divided out of 784,496. Drawings to Specification. Class 106 (1). In data storage apparatus comprising a rotatable drum having a magnetic track with a recording head for recording data representations in a series of storage locations on the track, the locations are divided into two consecutive groups, data from both groups is read by a normal reading head and fed back to the recording head, and a special intermediate head can read data from one group simultaneously with the reading of data from the other group by the normal reading head. The storage apparatus described forms part of a computer identical with that described in Specification 784,496. Specification 727,926 also is referred to.
Patent GB-810779-A (GB)
Title: Improvements in means for mounting a device which is subject to small angular movements
IPC: D01H7/10
Filed: 1956-03-20
Abstract: 810,779. Twisting spindles; bobbin cradles. RUSHTON, G. W. March 19, 1957 [March 20, 1956], No. 8592/56. Class 120(2) [Also in Group XXXII] A resilient mounting (see Group XXXII) for the bobbin spindle carrier in a textile yarn or thread twisting machine of the uptwister type, comprises a bracket B for the spindle carrier connected to a member A rigid with the frame of the machine by means of a number of strands C of spring steel wire. The strands C may be replaced by other forms of torsion springs. The tension and torque of the strands C may be adjusted by rotating nuts d<SP>1</SP> of bushes D with which the latter ends of the strands C are rigid. In a modification (Fig. 2, not shown), the brackets B may be rigid with the machine, while the member A is connected to the spindle carrier. The invention is also described as applied to the mounting of a cradle carrying the mandrel on which a yarn package is wound by contact with a rotating drum. The cradle is connected by means of strands to a two-armed bracket rigid with the machine frame.
Patent GB-565210-A (GB)
Title: Improvements in or relating to coating compositions
IPC: G01B11/16
Filed: 1942-06-23
Abstract: A coating composition for use in determining the relative distribution of elastic strains in a rigid article comprises a solution of a brittle resin in a low boiling solvent, the resin being plasticized barely sufficient to prevent crazing upon drying.  The amount of plasticizer with a given resin is such as to confer on the resulting film a strain sensitivity of from 0.0005 to 0.0010 inches per inch and varies with the prevailing temperature and humidity conditions.  The test is effected by coating the article with a uniformly brittle film and subjecting the article to increasing predetermined loads initially incapable of effecting crack formation in the film over the areas to be tested, and continuing said loading until the film has cracked over said areas.  Certain thermoplastic phenol formaldehyde condensation products may be used, and also natural resins, such as gum rosin, wood rosin, dammar and copals such as manila, kauri, congo, &c.  The natural resins may be hardened by fusion or in the presence of water or solvents, or by treatment by calcium, magnesium or zinc oxide in the presence of a catalyst such as acetic acid or calcium acetate; by oxidation with hot air &c. Dibutyl phthalate and normal butyl stearate may serve as plasticizers.  Carbon disulphide, methylene dichloride, and 1, 2 (cis) dichlor ethylene are suitable solvents.  The compositions may be pigmented or a light-reflecting film, for instance, a solution of nitro-cellulose in ethyl acetate containing bright aluminium power, may be interposed between the surface of the article and the transparent brittle film.  A standardized member and the article to be tested may be coated at the same time under the same conditions, and the crack patterns compared to give the magnitude of the strains.
Patent GB-640257-A (GB)
Title: Improvements in or relating to discharge tube circuits
Inventor: CHILDS PERCY ARTHUR
IPC: H03K3/04
Filed: 1947-03-31
Abstract: 640,257. Valve circuits. STANDARD TELEPHONES & CABLES, Ltd. March 31, 1947, No. 8667. [Class 40 (vi)] In a circuit arrangement comprising a valve the space current path between the anode and cathode of the valve includes the heater which is maintained at an adequate operating temperature by the space current flow through it. In the circuit of Fig. 2, relay 7 is normally released, current flowing through the heater of the diode 1 from the supply 8, 9. When the current flow in the anode-cathode path reaches a predetermined level, relay 7 operates opening contact 11 to break the heater current supply, the heater then being maintained at the correct operating temperature by the passage through it of the normal space current of the valve. If the anode voltage supply to the valve falls below some predetermined value the current flow is insufficient to maintain the requisite cathode temperature and the valve is rendered non-conducting, contacts 13 opening and actuating an alarm system whilst simultaneously the heater supply to the valve is reconnected via contact 11. The relay will then follow a pulsating cycle of long period if the supply volts remain below the critical value or the circuit may be used to operate a relay after a pre-determined time lag. The rectifier 10 prevents chattering of the relay and limits voltage surges in the circuit. In a modification, Fig. 3 (not shown), a pair of change-over contacts associated with the relay, connect the cathode to either one or other of the heater terminals thus preventing the heater from carrying both the heating and space currents in the initial period before the current flow is such that the relay operates. In a further modification, Fig. 4 (not shown), the heater is connected to the anode instead of to the cathode. A triode valve may be used, Fig. 5 (not shown), a small positive bias being applied to the control grid during the initial heating period by connecting it to a tapping on a resistor in series with the heater circuit.
Patent GB-934764-A (GB)
Title: Improvements relating to thread-delivery arrangements
IPC: D04B15/48
Filed: 1960-03-11
Abstract: 934,764. Knitting-machines. F. MORAT, [trading as FRANTZ MORAT KOMM.-GES.]. March 11, 1960 [March 11, 1959], No. 8689/60. Addition to 872,158. Class 74 (2). A pin 4 is secured to an adjustable plate 2 to guide the yarn to the yarn feeding roller 1 described in the parent Specification so that by adjusting the position of the pin 4 the amount of yarn in contact with the roller 1 can be varied.
Patent GB-1473823-A (GB)
Title: Hydraulic axial cylinder machines
IPC: F04B1/20
Filed: 1976-03-04
Abstract: 1473823 Reciprocating pumps and motors HYDROMATIK GmbH 4 March 1976 [13 May 1975] 08734/76 Heading F1A In a swash-plate pump or motor, the swash-plate 10 is supported for angular adjustment by roller or ball bearings 15 in a cage 16, the movement of the cage during angular adjustment being controlled by a flexible lever 17 pivoted to the casing 3, the cage at 19 and the swash-plate at 20, the cage and swash-plate connections permitting longitudinal movement of the lever and the casing connection preventing such movement. The location of the pivots is such that the cage moves half the distance of the swash-plate.
Patent GB-1273531-A (GB)
Title: Improvements in or relating to cake icing systems
Inventor: MORISON PETER PHILIP
IPC: G05B19/42
Filed: 1968-02-23
Abstract: 1,273,531. Decorating cakes. SPILLERS Ltd. and P. P. MORISON. 22 May, 1969 [23 Feb., 1968], No. 8794/68. Heading A2A. [Also in Divisions F2 and G3] A cake is iced, in a desired pattern or legend, by initially recording the manual movements of an icing syringe or stylus as coordinate variable-frequency signals on a dualtrack tape-recorder, see division G3. The onoff control of the flow of icing through the syringe is effected by a superimposed lowfrequency oscillation. Subsequently the cake, or a sequence of cakes, is automatically iced by an automatic control system responsive to the play-back of the recorded tape. When the cakes are delivered by conveyor, the icing is carried out at an icing station 193 to which a cake is transferred from a conveyor 195 and from which it is delivered on a conveyor 194. A separate conveyor section 196 at the icing station is driven in accordance with the programme in an X co-ordinate direction by a servo-motor 54 and an icing nozzle 41 is movable in a Y co-ordinate direction in accordance with the programme by a servo-motor 45. The transfer of a cake from conveyor 195 is controlled by a photo-electric arrangement 197, 198 initiating a time-delay at the end of which the cake is appropriately positioned by the conveyor 196 for the icing programme to be carried out. It is stated that a plurality of nozzles can be simultaneously controlled to ice a plurality of cakes at the same or different icing stations.
Patent GB-1131016-A (GB)
Title: Improvements in domestic oven with smoke leakage prevention
IPC: F24C14/02
Filed: 1966-03-01
Abstract: 1,131,016. Ovens. GENERAL ELECTRIC CO. 1 March, 1966 [2 March, 1965], No. 8819/66. Heading F4W. In a domestic oven as described in Specification 1,131,015, smoke leakage prevention means comprises a chamber 55 formed between walls 24 and 26 by a four-sided shroud 50, surrounding all the openings for mounting oven components 45-48, the back wall 26 having louvres 56 open to the atmosphere whereby the chamber 55 is at substantially the same pressure as the oven cavity.
Patent GB-550220-A (GB)
Title: Improvements in upholstery spring constructions
IPC: H01J40/06
Filed: 1942-06-26
Abstract: 550,220. Spring upholstery. FORD MOTOR CO., Ltd. June 26, 1942. No. 8831. Convention date, Aug. 7, 1941. [Class 52 (iv)] An upholstery spring construction, for example for the back or seat portion of an automobile seat, comprises sinuous wires 13, 16 engaging in the manner shown. The entrances 17 to the bends in the wires 16 are narrower than the internal diameters of the bends and are sprung over the intersecting wires 13 to grip the same securely, the bends of the two sets of wires being arranged substantially at right angles. The ends of the springs 13 are secured within sleeves 14 attached to the framework. The wires 16 are relatively inextensible but readily flex in other directions. The assembly is covered by a number of coil springs and a pad of hair, rubber, &c.
Patent GB-855720-A (GB)
Title: Method of making oriented graft polymer structures containing polymerized olefins
IPC: D06M14/10
Filed: 1959-03-13
Abstract: Oriented graft copolymer structures, e.g. fibres, filaments and films, are made by subjecting a structure made from polyethylene or polypropylene in the form of a thin elongated body having one dimension not exceeding 0,1 inch and at least one dimension greater than 2 inches to the action of ozone in an inert fluid medium containing at least 0,05% by volume of ozone gas per unit volume of inert fluid medium, then reacting the ozonised structure with acrylonitrile at temperatures between 25 DEG  and 220 DEG C. whereby a graft copolymer having polymer chains of acrylonitrile attached to the polyolefin is formed, and orienting the resulting graft copolymer structure by stretching it in at least one of its dimensions by an amount of at least 10% of the initial dimension. The fluid medium in which the ozone is contained may be gaseous, e.g. air or oxygen, or liquid, e.g. an organic liquid such as carbon tetrachloride, chloroform, methylene chloride or ethyl alcohol which swells but does not dissolve the polymer.  Reference has been directed by the Comptroller to Specifications 791,453 and 825,680.
Patent GB-199798-A (GB)
Title: Improvements in traverse and reversing mechanism applicable for key seating machines
IPC: B23D3/02
Filed: 1922-03-28
Abstract: 199,798. Richards & Co., Ltd., G., and Wilson, F. W. March 28, 1922. Milling-machines.-In traverse and reversing mechanisms, more particularly for key-seating or similar machines in which the tool slide and spindle are traversed by a rotary screw, the screw is driven by worm gearing from a short shaft which is rotated alternately in opposite directions through bevel gears and a sliding clutch. The clutch is actuated by stationary cams and levers at each end of the traverse. The traversing- screw B is driven by worm gearing C from a shaft d on which are loosely mounted bevel wheels E. E', rotated by belt pulleys G, G<1> and connected bv an idle bevel wheel E<2>. Either of the bevel wheels E, E<1> is clutched to the shaft through a slidably keyed sleeve F by levers H, K containing a quick change plunger k and actuated by a reversing rod M, oscillated at each end of the traverse through levers N and inclined cams P. The tool slide is slidable. on the reversing rod, which is preferably of square section, and the levers N are carried bv bushes encircling the rod and rotatably mounted on the slide. One of the bushes may carry another lever for hand reverse. The cams are adjustable by means of screws, the heads of which engage the teeth of a rack P. The worm wheel C may be loose on the screw and clutched thereto by a sliding sleeve and a hand lever, and the screw may be rotated by a hand wheel either secured to it or engaged by the sleeve. According to the Provisional Specification, the reversing rod operates the feed cam.
Patent GB-472326-A (GB)
Title: Improvements in or relating to voltage and like regulating systems utilizing discharge valves
IPC: G05F1/52
Filed: 1936-03-25
Abstract: 472,326. Automatic control systems. LEWIS, N. W. J. March 25, 1936, No. 8855. [Class 38 (iv)] Electromotive force; current.-A stabilizing circuit connected between a D.C. supply and the load, to maintain substantially constant a dependent characteristic such as voltage or current against fluctuation of one or more independent characteristics, is provided with a controlling thermionic valve forming a variable resistance in series or shunt, the grid controlling potential being derived from both the dependent and independent characteristics. In the arrangement shown in Fig. 1, a load having voltage E2 and current value 12, is supplied from a D.C. source of voltage E1 through a series thermionic valve V1. The control potential applied to the grid through a biassing battery B1 to maintain the load voltage E2 substantially constant, is derived from the whole of E2 plus a fraction of E1 obtained from the potential divider P1. A similar system with a thermionic valve VI in shunt is shown in Fig. 2. An additional potential divider P2 is provided so that only a part of the voltage E2 is applied to the grid. Figs 3 and 4 show corresponding series and shunt systems respectively in which amplifying valves V2 are provided. Various modified systems employing a main valve and an amplifying valve are illustrated. Fig. 11 shows a current control system in which the series valve V1 is controlled by a grid voltage derived from a fraction of the supply voltage E1 plus a potential difference proportional to the load voltage E2 developed across series resistance R3. Potentiometer P1 is adjusted to give maximum controlling effect. Several series and shunt modifications of this current control system are shown, both with and without an amplifying valve.
Patent GB-199490-A (GB)
Title: Improvements in internal combustion engines
IPC: F02B61/04
Filed: 1922-03-28
Abstract: 199,490. Carter, B. C. March 28, 1922. Motor power plant.-In an internal-combustion engine comprising two lines of cylinders each with a separate crankshaft, the two crankshafts are connected by means of a link plate and parallel cranks to a propeller or driven shaft and the crank shafts themselves are arranged as a divided crank shaft of a single line engine having the same number of cylinders with the second portion of the shaft moved laterally and axially. The crankshafts 13, 14 are connected by a link plate 18 with a driven shaft 16 which drives a countershaft 26 for driving fuel oil and water pumps, &c. Cranks 1, 2, 3, on crank shaft 13 are respectively parallel with cranks 6, 5, 4 on crank shaft 14. The link plate 18 may be arranged at an intermediate position instead of at the end. Specification 179,248 is referred to.
Patent GB-917325-A (GB)
Title: Means for transporting gas bottles
IPC: B60P3/055
Filed: 1961-03-10
Abstract: 917,325. Stillages for handling gas bottles. KNAPSACK-GRIESHEIM A.G. March 10, 1961 [March 12, 1960], No. 8915/61. Classes 78 (3) and 78 (4). A stillage for supporting gas bottles includes a frame 1 (Fig. 1) adapted to be raised and lowered by means on a transporting vehicle. In the form shown, the stillage can straddle an elevating platform 17 (Fig. 2) supported by cranks 18 from a truck. The bottles are supported by platforms 9 carried by the lower limbs of L-shaped members 4 reinforced by struts 5, 19. Partitions 10 divide the bottles in pairs held in place by clamps 8. Flaps 11, held by latches 12 in position to retain the bottles, can be lowered to form ramps. The stillage is fitted with lifting eyes 3.
Patent GB-365407-A (GB)
Title: Brake balancing device
IPC: B61H13/36
Filed: 1931-03-23
Abstract: 365,407. Railway vehicle brakes. ACIERIES DE HAINE-ST.-PIERRE ET LESQUIN, Haine St. Pierre, Belgium. March 23, 1931, No. 8950. Convention date, March 22, 1930. [Class 103 (i).] A brake beam for railway vehicles comprises a triangular casting having a base and two equal sides, the sides being connected with the base through webs or struts which are either at right-angles or obliquely or both at rightangles and obliquely to the base. In one construction the two equal sides 1 are of T- shaped cross section, the webs 2 of which are connected to the base by struts and webs 4, 7. The base 3 is wider in the middle to resist bending stresses. The trunnions 8 carrying the shoes and the eyepiece 9 connected to the brake operating gear are cast with the beam. In a modified form the sides of the triangle are I-shaped in cross section, the webs 11, Fig. 6, of which have apertures 12 to decrease the weight. The beam is wider transversely of the beam at 13 and the trunnions are cast with it or fitted on it.
Patent GB-1368859-A (GB)
Title: Spacing element for connecting together or elevating and connecting together overlapped bars
IPC: E04C5/16
Filed: 1972-02-28
Abstract: 1368859 Reinforcement spacers and connecting elements M F SKOLD 28 Feb 1972 [2 March 1971] 9016/72 Heading E1W Resilient plastics spacers 11 are formed in a U-shaped configuration with aligned recesses 24, 24' in each leg and have opposed flexible webs 27, 27' extending from the inner surface of each leg respectively adjacent the bridging portion. These webs, which may be interconnected by a frangible portion 28 serve to resiliently engage an upper bar which extends longitudinally between the legs 21, 21' and which is held in place by engagement with the transverse bar resiliently held in the recesses 24, 24' by lugs 25, 25'. Outwardly extending support flanges 23, 23' on each leg may be provided which underlie recesses 24, 24' to provide greater support for a reinforcement rod engaged in them. The spacers may be fixed by a tool in which they are held joined together in a strip by frangible studs 32, 32'.
Patent GB-372495-A (GB)
Title: Improvements in and connected with graph-recording apparatus for use with machines for determining the physical qualities of materials
IPC: G01N3/08
Filed: 1931-03-25
Abstract: 372,495. Testing physical qualities of materials. HOUNSFIELD, L. H., 3, Durrington Park Road, Wimbledon, London. March 25, 1931, No. 9114. [Class 106 (ii).] Recording apparatus for use with testing machines wherein one variable is altered by positive mechanical means and the other is read off by an index moving over a scale comprises a support for the paper, means connecting the support to the mechanism altering one of the two variables, and a cursor capable of being moved to correspond with the index of the other variable and connected to the style recording the graph. As applied to the testing machine described in Specification 320,704, [Class 106 (ii), Dynamometers &c.], a cord 13 is attached to the lever 6 applying the load at the grip 2 of the specimen 1 and is led over and secured to a pulley 14 at one end of a drum 15 carrying a record sheet and turned against the influence of an internal spring. The other grip 3 is attached to a leaf spring the deflection of which is measured by the movement of a column of liquid in a capillary tube 12 caused by movement of a piston in a cylinder 11. A cursor 16 capable of being slid over a scale 8 until its cross wire coincides with the end of the mercury column 17 is connected by the link 18 to a lever 19 the other end of which is constrained by a radius arm 21 to move at rightangles to the axis of the drum. On the lever 19 is a trunnion bracket 22 jointed to the lever 19 and constrained by the rod 23 to move parallel to the axis of the drum. The trunnion pin carries a style which can be moved by a pad 26 against the influence of a spring to engage the drum. In use, the mercury column is adjusted to zero and the specimen is placed in position the handle being applied to the screw 5 to turn it until all slack is taken up which is indicated by a slight movement of the mercury from zero. The drum is rotated by adjusting the cord at the eye 6 or by means of a turntable until the style comes to the base line for " extension." The set-screw 27 is slackened while the spindle 28, 29 is moved axially until the style comes to the base line for " stress." The pad 26 is depressed and the style should mark the intersection of the base lines. The cursor is now moved to the one ton graduation, and the handle 4 turned until the mercury agrees with the cursor position when the style is depressed to mark the next point and so on until the specimen fractures. The style may be depressed by a pneumatic device employing a flexible tube or electromagnetically. In this case the style is depressed automatically when the mercury reaches the cursor which is thus moved on.
Patent GB-780715-A (GB)
Title: Improvements in and relating to the electrical control of winder plants
Inventor: SPENCE WILLIAM
IPC: B66B1/40
Filed: 1954-03-29
Abstract: 780,715. Photo-electric control systems. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 23, 1955 [March 29, 1954], No. 9139/54. Class 40 (3). [Also in Group XXXVII] In a system for liftlevelling, vanes 3, 4 are moved relatively with regard to light beams 1, 2 the current produced by a light-sensitive cell associated with the beam 1 decreasing with vane-movement in the indicated direction, whilst the current associated with the beam 2 increases simultaneously. The two current signals are so combined that the magnitude of the composite signal reaches zero when the vanes are in the dotted-line position, which represents the stopping-position of the lift. The lift motor 5 is supplied from a Ward-Leonard generator 6 having a field winding 7 energized by an amplidyne exciter 8. Normally, a control field winding 9 of the exciter is connected to a source of reference voltage and a variable resistor 11. Automatic operation of a change-over switch 12 when the lift approaches a stopping position, however, connects the winding 9 for energization in accordance with the composite signal referred to above. In another arrangement the levelling device comprises a movable vane intervening between two coils in inductive relationship, as described in Specification 316,193, [Class 40 (v)]. Specification 780,716, [Group XXXVII], also is referred to.