baber/WOPTO huggingface dataset:
Patent GB-207725-A (GB)
Abstract: 207,725. Western Electric Co., Ltd., (Deakin, G.). Jan. 29, 1923. Automatic exchange systems.-In systems in which a translator switch causes the automatic switches to be operated in accordance with a number different from that set up on digit registers, the translator switch sets itself under control of a test relay operated in a series circuit through the registers and its own wipers. Several translator switches with a common operating means and each having a test relay, may be provided. As shown in Fig. 1, when a number has been set up by the register switches 1DS, 2DS, 3DS, a contact A of the sequence switch energizes the power magnet P of the translator switch TS. The wipers L<1> - - L<6> rotate until a circuit is completed for test relay TR comprising the wipers L<1> - - L<3> and the wipers of the register switches in series, as determined by the cross connections on the frame CCF. Relay TR causes the operation of a sequence switch which connects the wipers L<4> - - L<6> in turn to the wire OSC leading to the numerical switches. These are controlled by the counting relays CR to which the wipers L<4> - - L<6> have connected themselves. Where a single translator switch would be of too small capacity, two or more are employed as shown in Fig. 2, all having a common power-magnet P, the operating circuit of which includes the back contacts of all the test relays TR<1>, TR<2> in series. The brushes L<1> - - L<3> are connected as shown in Fig. 1, and when one of the test relays is energized, it energizes a brush-choosing relay BCR which connects the appropriate set of brushes L<4> - - L<6> to contacts of the sequence switch for controlling the automatic switches.
Patent GB-752864-A (GB)
Title: Improvements in or relating to picking motions for power looms
IPC: D03D49/24
Filed: 1954-07-16
Abstract: 752,864. Picking-motions for looms. MASCHINENFABRIK RUTI AKT.-GES. VORM. CASPAR HONEGGER. July 16, 1954 [Aug. 13, 1953], No. 20840/54. Class 142 (2). The picking stick 1 is operated by a cam 3 acting through levers 4, 7 lying in perpendicular planes, the picking force being transmitted by a ball-ended push-rod 6 of wood or nylon; the return stroke is effected by a torsion spring 9.
Patent GB-1186473-A (GB)
Title: Automatic Control Systems for Electrolytic Grinding Apparatus
Inventor: SENECKY LADISLAV
IPC: B23H3/02
Filed: 1968-05-02
Abstract: 1,186,473. Automatic control systems for electrolytic grinders. VUMA V¦SKUMN¦ 
STAV MECHANIZ‡CIE A AUTOMATIZACIE. May 2, 1968 [May 5, 1967], No.20888/68. Heading G3R. In an electrolytic grinder, short-circuits or arcing between the tool electrode 1 and the workpiece 2 result in disturbances in the operating current which is derived from a supply source 5 by way of conductors 3, 4, and these disturbances are detected by a sensor 8 the output from which is applied to a control winding 7 of a magnetic amplifier 6 which itself controls the operation of a two-phase induction motor 11 mechanically geared to regulate the distance between the electrodes 1, 2, the arrangement being such that the motor 11 operates in response to signals from the sensor 8 to vary the working gap so as to protect the system against the effects of such shortcircuits; "normal" disturbances in the supply current, caused for example by ripple in the rectified output from source 5, are sensed by a further control winding 15 which is connected in series with a variable resistor 14 to the supply conductor 4, resistor 14 being adjusted so that the effects of the "normal" disturbances on the operation of the magnetic amplifier 6 are compensated for, or slightly overcompensated for. This compensation results in an improved regulating action, and this is explained with reference to Fig.2 (not shown).
Patent GB-479095-A (GB)
Title: Improvements relating to mercury or other conducting-liquid switches
IPC: H01H29/18
Filed: 1936-07-28
Abstract: 479,095. Mercury switches. CIANCHI, A. July 28, 1936, No. 20946/37. Divided application, and addition to 453,229. [Class 38 (v)] A mercury switch of the type described in the parent Specification comprises an armature 8 which when drawn down by a solenoid 13 displaces mercury so that contact 2 is connected to contacts 1 and 3. If coil 13 is de-energized the armature 8 rises but a ball 9 engages a seating 10 so that the mercury inside the armature is lifted. In this position, contact between 3 and 2 is maintained but contact between 3 and 1 is broken due to the general fall in level of the mercury. The mercury slowly leaks away through a small gap in the seating 10 to break contact between 3 and 2, and restore contact between 3 and 1. Different contact arrangements are described produced by having different relative volumes of the armature and the mercury. Also a conical valve may be used instead of a ball valve.
Patent GB-1090789-A (GB)
Title: Photographic apparatus
IPC: G03B27/66
Filed: 1966-05-11
Abstract: 1,090,789. Photographic printing apparatus. ADDRESSOGRAPH MULTIGRAPH CORPORATION. May 11, 1966 [June 1, 1965], No.20948/66. Heading G2A. In a photographic apparatus for producing a half tone image on a photo-sensitive member such as an offset master from a continuous tone original, there is provided a half tone screen assembly which is movable from an inoperative position (shown in dotted lines) remote from a station 20 at which the master M is exposed into an operative position (shown in solid lines) parallel to and slightly spaced from the master, the spacing of the screen assembly from the master being adjustable in a direction normal to the screen plane when the screen is in the operative position. An original to be reproduced is placed on a copy board (CB) Fig. 1 (not shown) and a handle 16 moved to the dotted position shown to raise a stack of masters. A vacuum head 18 picks up the top master, the stack is lowered to its initial position, and the screen assembly is moved to its operative position by means of linkage 88-98. When the screen assembly is at the exposure station its vertical position is adjusted by turning a knob which causes rotation of bars 40, (44) Fig. 4 (not shown) and hence varies the inclination of guide rails 48 (50) on which side rollers 76, 77, (78), (79) carried by the screen assembly. After the vertical position of the screen has been set, the vacuum head is moved to the exposure station, lights are switched on and an image of the original is made by means of a lens L and mirror MR. Upon completion of this screened exposure, a brief additional exposure without a screen is made to clear the highlights and provide improved contrast differential. After this additional exposure, the vacuum head, carrying the exposed master, is restored to the dotted line position from where the master is picked up and transported through the processing unit of the apparatus, subsequently being delivered to a rack external of the apparatus, from where it may be placed directly on the drum of an offset duplicator.
Patent GB-1374705-A (GB)
Title: Implement for stabilising cohesive and friable earths
IPC: E21B10/44
Filed: 1972-05-05
Abstract: 1374705 Soil stabilisation; ground augers LINDEN-ALIMAK AB 5 May 1972 [11 May 1971] 20988/72 Heading E1F An implement for stabilizing soil to a considerable depth comprises an auger 10 secured to one end of a hollow drill rod 12 in which is a tubular liner 29 down through which binding material 34 is fed to a feed screw 22 disposed at right angles to the axis of the auger and discharging through an opening in the stem 14 of the auger which has a flight portion 16 or flight portions below the opening of a width that steadily increases from the upper to the lower end of the or each flight portion. For Figure see next page
Patent GB-634306-A (GB)
Title: Improvements in television receiving apparatus
IPC: H04N5/10
Filed: 1946-07-13
Abstract: 634,306. Television. MARCONI'S WIRELESS TELECRAPH-CO., Ltd. July 13, 1946, No. 21034. Convention date, July 13, 1945. [Class 40 (iii)] In a television receiving system a seriallyconnected high-pass and low-pass filter arrangement prevents the back-E.M.F. which is produced by the frame oscillator during flyback periods from affecting the line oscillator and also serves to separate the frame synchronizing signals from the line synchronizing signals. Combined line and frame synchronizing signals are applied at D to a high-pass filter 33, 35, 37 serially connected with a low-pass filter 39 ... 49 and the separated frame synchronizing signals (point A) are fed to the frame deflection oscillator 51, 55, 57. The E.M.F. generated by the latter oscillator during flyback periods is substantially eliminated by the serially-connected filters and the disturbing effect of this E.M.F. on the line deflection oscillator, which is connected to the secondary of transformer 29, is consequently prevented.
Patent GB-167505-A (GB)
Title: Improvements in and relating to the regulation of asynchronous dynamo-electric machines
IPC: H02K17/38
Filed: 1921-08-08
Abstract: 167,505. Siemens - Schuckertwerke Ges. Aug. 7, 1920, [Convention date]. Alternating - current induction machines. - In regulating asynchronous machines by means of an auxiliary commutator machine which is excited by a current, the frequency of which corresponds to the slip-frequency of the main machine, a separate asynchronous machine is provided for effecting the excitation of the commutator machine. In the arrangement shown in Fig. 2, the field exciting winding l of the commutator machine b is connected to the secondary of an asynchronous machine f on the shaft of the main machine a and having its primary connected to the mains n. A compensating-winding k is connected to the secondary of the main machine a. The two windings l, k may be replaced by a single winding, each phase of which is fed from two slip-rings of the exciting machine. The asynchronous exciter f may be connected in series with a frequency-changer h, Fig. 4. The two machines f, h are mechanically coupled to the machine a and have their primaries connected to the mains n through regulating transformers or converters t, t. The frequency-changer h provides the excitation of the machine b in the neighbourhood of synchronism and during synchronism. The frequency-changer h may be provided on its stator with a series compensating winding for balancing the armature field. The two windings l, k, Fig. 4, may be replaced by a single winding k, Fig. 5, connected at one end to the stator winding p of the machine f and to the brushes e of the machine b, and at the other end to the brushes m of the machine h and to the slip-rings d of the machine a.
Patent GB-465188-A (GB)
Title: Improvement in method of making a cosmetic composition
IPC: A61Q11/00
Filed: 1935-07-24
Abstract: Compositions for treatment of the skin are prepared by mixing with an oily or unguentous carrier an organic peroxidic or ozonidic compound. Acidic peroxides such as benzoyl, salicyl peroxides and the peroxides of butyric, lactic, caprylic, lauric, palmitic, stearic, phenylacetic, chaulmoorgric and "hydrocarpic" acids are suitable and also the derivatives of corresponding anhydrides, salts or esters. Peroxides of alcohols, esters, ketones, ethers and aldehydes may also be used. Mild oxygen splitting catalysts may be added.  Vehicles containing lanolin, spermaceti, beeswax, soaps, vegetable, animal and mineral oils, higher fatty acids, zinc oxide, boric acid, borax, gum tragacanth, gum acacia, and essential oils are suitable.  The compositions may be used as ointments, nasal sprays and toothpastes.
Patent GB-626255-A (GB)
Title: Ultra high frequency generator of the magnetron type
IPC: H01J25/587
Filed: 1947-08-01
Abstract: 626,255. Magnetrons. SYLVANIA ELECTRIC PRODUCTS, Inc. Aug. 1, 1947, No. 21086. Convention date, June 12, 1943. [Class 39 (i)] A magnetron of the resonant cavity type has an anode strap 17 connecting alternate anode segments, the strap being deformable so that the cavities may be tuned by it to resonate at a particular frequency. The strap is preferably split at one point 19 to avoid the formation of an undesirable closed circuit through it. The cathode 2, Fig. 6, may be surrounded by a cylindrical control grid 27 to aid the current flow from the cathode, and the radial slots leading to the cavities may be extended by grids 26 to increase the reaction between the cavities and the electron stream. Specification 588,916 is referred to.
Patent GB-499837-A (GB)
Title: Process and apparatus for the continuous coating of metal articles with non-conducting layers by electro-chemical methods
IPC: B65G49/04
Filed: 1937-07-30
Abstract: 499,837. Electrolytic surface treatment of metals. SCHERING-KAHLBAUM AKT.-GES. July 30, 1937, No. 21167. Convention date, Aug. 1, 1936. [Class 41] In a process wherein metal articles are led through an electrolytic bath for the production of a non- conducting protective coating thereon (e.g. the production of an oxide coating on aluminium or magnesium), the work-holders, which. may be of the same metal as the articles, are after removal of the treated goods passed through a bath for the removal of the non-conducting layer therefrom. The holders thereupon return to the loading position. The conveyer may be arranged outside the baths only the holders being immersed. The holders may consist of pairs of spring-biassed curved metal plates forming jaws. The apparatus may include baths for the treatment of the articles before and after coating. Corroded holders may be replaced. According to the Specification as open to inspection under Sect. 91 the work-holders are designed to provide a point or line contact with the articles. One form of work-holder comprises a U-shaped member 2, of non- conducting material having perforations through which may be inserted a conductor 8 between which and the base 9 the articles 1 are held by means of spring clips 10. In a modification, the conductor 8 is bent upwards at the ends and are introduced into inclined slots in the holders. In another modification the base 9 of the holder is provided with a resilient bed, e.g. of rubber, between which and a rigid upper conducting member the articles are mounted. For mounting in the holders a set of the articles may first be engaged by a pair of intersecting rake-like members which are afterwards withdrawn. This subject-matter does not appear in the Specification as accepted.
Patent GB-1046310-A (GB)
Title: A device for reducing the size of waste material from a press
IPC: B23D15/14
Filed: 1965-05-19
Abstract: 1,046,310. Shearing. E. SCHWARZ. May 19, 1965 [June 18, 1964], No. 21203/65. Heading B3W. A device for reducing the size of waste material from a stationary press, e.g. an eccentric stamping press A, comprises an hydraulically operated shears B which is movable in relation to the press A and which is connected by a flexible pressure hose 13 to an hydraulic driving means 15 which is provided on the press frame 14 and which is actuated by the residual stroke of the ram 15 to effect the working stroke of the shears B. The hydraulic driving means consists of a cylinder containing a spring returned piston, the piston rod 22 of which is depressed by a pressure member 24 on the ram 25. As illustrated in Fig. 2 (not shown), the shears has a pivoted blade 10 which is operated by a single acting piston and cylinder 11 through a toggle mechanism and has a return spring 12 for returning the blade 10 to its raised position.
Patent GB-789618-A (GB)
Title: Improvements in or relating to sealing rings
Inventor: HOWLETT JOHN WILLIAM
IPC: F16J9/08
Filed: 1955-07-22
Abstract: 789,618. Piston and stuffing-box packing. WELLWORTHY, Ltd. July 19, 1956 [July 22, 1955], No. 21272/55. Addition to 744,651. Classes 122 (1) and 122 (5). In a split or segmental composite sealing-ring comprising a metal ring 1 having a rubber or rubber-like ring 2 bonded to its internal or external periphery, according to whether the ring is to be outwardly or inwardly acting, and shaped or recessed as at 4, so that when the ring is compressed into a ring groove, one or more cavities are formed behind the ring, as disclosed in the parent Specification, means are provided in the ring, such as radial grooves 7 extending across one face or radial bores through the ring, to relieve any pressure built up in the cavity or cavities when the external pressure on the ring is released. In the arrangement shown in Fig. 1 in which two sealing rings are arranged back-to-back in one groove 5 the pressure relieving grooves 7 are provided only in the ring adjacent the pressure side A of the seal.
Patent GB-750513-A (GB)
Title: Composite products of natural or synthetic rubber and textile material
Inventor: NEALE ALBERT EDWARD TONEY
Filed: 1953-08-01
Abstract: In a composite product comprising natural or synthetic rubber associated with an organic textile component the natural or synthetic rubber contains an aryl substituted phenol or a halogenated derivative thereof as a bactericide and fungicide resistant to attack on the textile material by micro-organisms. The aryl substituted phenol may comprise o-phenyl phenol, p-phenyl phenol, p-phenyl o-chlorophenol, o-phenyl, o1-chlorophenol, o-phenyl p-chlorophenol, and o-benzyl p-chlorophenol, and may be introduced into the natural or synthetic rubber while incorporating fillers, vulcanizing accelerators, &c., prior to vulcanization.  A master batch containing the microbicidal compound and unvulcanized rubber may be added to the rubber stock on the mixing rolls, or the compound may be mixed into rubber in a finely divided condition at the same time as the other ingredients.  If the compound is not molten at the temperature of the mixing rolls it may be fused with a material such as camphor, diphenyl, or benzyl benzoate, and the mixture added to the rubber on the rolls.  The amount of microbicidal compound added is preferably between 0.1 and 5 per cent by weight of the compounded p  rubber stock.  In the manufacture of textile-covered rubber thread an aqueous dispersion of the microbicidal compound may be added to later.
Patent GB-423669-A (GB)
Title: Composition for joints
IPC: C09D5/34
Filed: 1933-07-31
Abstract: Castor oil is heated for four hours to the consistency of syrup, waste mica added, and the product cooled.  The resultant grease-like substance is non-oxidizing and is insoluble in water, petrol, ammonia, &c.  It can be used as a joint-making composition, or as a corrosion-preventing coating for metals. Specification 166,180, [Class 22], is referred to.  The Specification as open to inspection under Sect. 91 is not limited to the use of mica as a filler, and states that other vegetable oils, such as olive, flax, cotton, &c. oils, may be mixed with the castor oil; the product can be used as a lubricant. This subject-matter does not appear in the Specification as accepted.ALSO:Castor oil is heated for four hours to the consistency of syrup, waste mica added, and the product cooled.  The resultant grease-like substance is non-oxidizing and is insoluble in water, petrol, ammonia, &c.  It can be used as a joint-making composition, or as a corrosionpreventing coating for metals. Specification 166,180, [Class 22], is referred to.  The Specification as open to inspection under Sect. 91 is not limited to the use of mica as a filler, and states that other vegetable oils such as olive, flax, cotton, &c. oils may be mixed with the castor oil; the product can be used as a lubricant.  This subject-matter does not appear in the Specification as accepted.
Patent GB-177458-A (GB)
Title: Improvements in or relating to the construction or formation of roadways or the like
IPC: E01C7/18
Filed: 1920-12-23
Abstract: 177,458. Jackson, W. J. Mellersh-, (Bitoslag Paving Co.). Dec. 23, 1920. Drawings to Specification. Foundations.-A roadway comprises a foundation formed of a series of superposed layers of a mixture of oxidized asphalt and a mineral aggregate, covered with an adherent wearing surface. The mixture contains 9 to 11.5 per cent of oxidized asphalt, preferably from Mexican petroleum, and the aggregate may consist of coarse sand, or the slag aggregate described in Specification 167,997, [Class 22, Cements &c.], may be employed. The layers may diminish in thickness upwards, and each is allowed to cure before the next is laid. The top wearing-surface may be composed of a mineral aggregate, of slag, a filler material such as pulverized limestone or Portland cement, and a binding-agent of oxidized asphalt, as described in Specification 167,997, [Class 22, Cements &c.].
Patent GB-773608-A (GB)
Title: Improvements in combine harvesters
IPC: A01D61/00
Filed: 1954-07-23
Abstract: 773,608. Combine harvesters. MASSEYHARBIS-FEBGUSON GES., and RAUSZENDORF, H. July 23, 1954 [July 24, 1953], No. 21635/54. Class 58.  A combine harvester has, behind its cutter 4, two transversely opposed screw conveyers 5, which carry the harvested crop to a tined drum 6 located between them. This drum feeds the crop to a cylinder 7, which carries it to the thrashing cylinder 2 and concave riddle 3, e.g. past a high-speed stripper-beater 8. The cylinder 7 may be provided with transverse beater bars.
Patent GB-1221817-A (GB)
Title: Apparatus for controlling temperature
Inventor: CHAMBERS WILLIAM WILKIE
IPC: G05D23/30
Filed: 1968-05-07
Abstract: 1,221,817. Automatic temperature control systems. ROBERTSHAW CONTROLS CO. May 7, 1968. No.21638/68. Heading G3R. In a temperature control system, a heating and/or cooling controller are arranged in one or both arms 14,16 Fig.1 of an A. C. bridge which includes a thermistor 54 and a setting resistor 52. Where both heating and cooling controllers are employed a thyristor 56 is connected to diagonal points of the bridge through oppositely poled diodes so the appropriate controller is selectable by the appropriate polarity of the supply voltage. For a heating application thermistor 54 is an N. T. C. type but may be a P. T. C. type if the position of components 52, 54 are interchanged. For cooling the thermistor 54 is a P. T. C. type or N. T. C. if interchanged with resistor 52. When the resistances of components 52, 54 are unequal thyristor 12 is fired hence reducing the voltage across a thermistor 54, reducing the self heating hence making the voltage across points 62, 66 more unequal which increases the time during each half cycle that the thyristor fires, thus reducing the time that the heating system is supplying heat. Conversely in a cooling application where components 52, 54 are interchanged, this effect tends to operate refrigeration equipment for a longer period each time it is started. A biasing heater 134, Fig.3, acting on thermistor 122 may counter this effect. The heating and/or cooling equipment may be duplicated, both parts being operative only when there is a large demand. The additional parts are controlled by circuits 106,108 wherein a thyristor e.g. 168 is fired only on large conduction angles of thyristor 70 through charging of a capacitor e. g. 178 to a determined level. A high temperature cut out circuit 90 comprises a thyristor 150 which is biased normally to conduct but can be biased to non-conduct by a P. T. C. resistor 154 sensitive to say high furnace temperature. A simpler arrangement comprises a resistor in parallel with a thermistor Fig. 3 (not shown). Heating or cooling may be selected by opening an appropriate one of switches 144, 147. With switch 147 open heating is regulated on positive half cycles and with switch 144 open cooling is regulated on negative half cycles. Alternative switching arrangements providing heating, cooling, both, or "off" are illustrated in Figs.4 and 5 (not shown) such switching arrangements may include a calibration shifting resistor (198) so that the "dead band" between heating and cooling temperature is eliminated. Resistor (198) alternatively may be shunted by a diode Fig. 5A (not shown) by shunting current in the direction permitting heating. The controller in its simplest form may consist of a thermal relay. The heating equipment may be a gas fired furnace or a heat pump and the cooling equipment may be a refrigeration unit.