baber/WOPTO huggingface dataset:
Patent GB-496224-A (GB)
Title: Improvements in flushing apparatus
IPC: E03D1/26
Filed: 1937-05-26
Abstract: 496,224. Siphon - discharge waterwaste - preventers. BOLINDER'S FABRIKS AKTIEBOLAG. May 26, 1937, No. 14636. Convention date, May 28, 1936. [Class 26] In a siphon-discharge water-wastepreventer the airspace of the siphon communicates with the suction side of an ejector combined with the apparatus, the inlet of the siphon being closed by a liquid seal and the outlet being open when the tank is filled, but closed by a liquid seal only on starting the apparatus. In Fig. 1, a tank 14 is accomrnodated in a vessel 23 at the back of a closet and is provided with an integral siphon to the level of the dividing wall 22 of which the tank is normally filled, thereby sealing the inlet-leg. When a push 40 is depressed, the inlet-valve is released to open under the pressure of the supply, so that water enters the tank through a pipe 32 and passes over the wall 22 and fills the vessel 23 to the level of a lip 24 whereby the outlet-leg becomes sealed. The water passing through the pipe 32 actuates an ejector 30 to exhaust the air-space 17 to start siphonic action. The vessel 23 is emptied by a hole 25 whereby an after-fill is provided. In Fig. 3, the action is automatic, water entering the tank through an ejector 61 which exhausts the air-space of the siphon when water has overflowed the partition 64 into a chamber 51 to seal the outlet-leg 52.
Patent GB-456124-A (GB)
Title: Improvements in steam and hot water heating radiators
IPC: F28D1/03
Filed: 1936-05-25
Abstract: 456,124. Radiators for heating buildings. ELSMORE, F. R., 70, Ommaney Road, New Cross, London. May 25, 1936, No. 14672. [Class 64 (ii)] A heating radiator for steam or hot water comprises a cast metal frame A supported from the floor by legs C, and sheet metal plates D which are braced by members F<1>, F<2>. Gussets J may be cast on the frame. The plates D may be curved as in Fig. 5 or corrugated as in Fig. 6. The sheets D, Fig. 1, are of such size in relation to the front and rear openings in the frame, that when braced together they may be placed in position as a unit. Two or more such radiators may be assembled to form a unit. Glass plates may be applied over the plates D and may be combined with reflectors and neon tubes. Reference has been directed by the Comptroller to Specifications 23445/14, [Class 64 (ii)], 395,605, and 446,056.
Patent GB-662096-A (GB)
Title: Improvements in or relating to amplifiers
IPC: H03F3/32
Filed: 1949-06-01
Abstract: 662,096. Valve amplifying circuits; modulating systems. WESTERN ELECTRIC CO., Inc. June 1, 1949 [June 3, 1948], No. 14691/49. Classes 40 (v) and 40 (vi). In an amplifier comprising two valves with a common input circuit and a common output circuit, an output element common to the anode and grid circuits of one valve is capacitatively coupled direct to the common output circuit. As shown, Fig. 3, the output transformer of an amplifier has its secondary winding 50 coupled by condensers 51, 54 and 52, 53 to its primary windings 33, 49, respectively. Primary winding 33 is connected to the anode of an amplifier valve 29 fed from an adjustable tap on the output resistor 25 of the input stage 22, while winding 49 is connected to cathode of a valve 44 fed through a phaseinverter 36 from the input stage 22. Negative feed-back to the cathode of the input stage 22 is taken from the secondary winding 50. If the turns-ratio of the transformer differs from unity, the ends of the primaries are coupled to equipotential points of the secondary. The amplifier may be used to supply the modulating signal to a grid modulator, Fig. 4 (not shown). Fig. 5 shows an anode modulator in which the modulating signal is supplied by an amplifier similar to that of Fig. 3. Part of the modulated output is rectified at 64 and fed back to the input stage 22 through R.F. choke 67 and condenser 68. The transformer windings may be replaced by separate inductance coils with little or no inductive coupling. The inductance coils in the output of the valves may be capacitatively coupled together with purely inductive coupling between one of the coils and the output coil. In this case an additional negative feed-back may be taken from the anode end of one inductance coil to the input of the cathode follower valve.
Patent GB-760430-A (GB)
Title: Improvements relating to the control of combustion processes
Inventor: THRING MEREDITH WOOLDRIDGE
IPC: F23L9/00
Filed: 1954-05-19
Abstract: 760,430. Automatically-controlled air supply to furnaces. NATIONAL RESEARCH DEVELOPMENT CORPORATION. May 12, 1955 [May 19, 1954], No. 14731/54. Class 51 (1). Apparatus for controlling the supply of secondary air to a combustion device such as, for instance, a hand-fired Lancashire boiler, comprises means for burning a gas of substantially constant calorific value at a substantially constant rate in an atmosphere of combustion gas drawn from the device, and means responsive to the heat of the burnng gas for controlling the supply of secondary combustion air to the device. As shown, three thin walled aluminium tubes 1, 2, 3 are concentrically arranged above a support 4. Connecting with the inner tube 2 is the outlet of a chamber 5 in which is burnt a supply of towns gas or a propane-butane mixture in the presence of combustion gas drawn from the combustion device being controlled and a controlled quantity of air. An annular nozzle comprising tubes 7, 8 is used to introduce the gas and air, the air passing through the inner tube 8 whilst the combustion gas is introduced through four tubes 9. Pivotally mounted on the tube 1 at 11 is a bar 10, one end of which is pivotally connected to a damper 13 controlling a secondary air supply pipe 14 whilst the other end is pivotally attached to the tube 2. In operation, depending upon the expansion or contraction of the tube 2 which depends upon the heating effect of the gaseous mixture therein itself dependent upon the amount of oxygen in the combustion gas entering at 9, the bar 10 will cause the valve 13 to rise or fall to thus control the secondary air flow. In a forced draught system the expansion or contraction of the tube 2 may be arranged to control a valve in a fan duct for secondary air or it may be arranged to operate an electric switch which controls the operation of a secondary air fan or blower.
Patent GB-552337-A (GB)
Title: Improved means of mounting a rotary magnet on its spindle
IPC: H02K1/27
Filed: 1941-11-17
Abstract: 552,337. Armatures, mounting. ENGLISH ELECTRIC CO., Ltd., TILSTONE, M. A., TILSTONE, J. H., [Representatives of TILSTONE,  G.], and ECCLES, T. A. Nov. 17, 1941, No. 14761. [Class 35] A rotary magnet particularly a permanent magnet of brittle material of high coercive force is mounted on its spindle 2 without strain by forming it with a central hole targer than the spindle, holding the spindle (which may have transverse keying notches 2a formed in it) centrally in the hole and pouring a lead alloy 3 containing antimony into the hole. The faces of the magnet may be recessed at 1b to facilitate pouring and the alloy may be cut way in these disc portions to effect balancing.
Patent GB-1284260-A (GB)
Title: Label dispensing or applying device
IPC: B65C1/00
Filed: 1969-07-01
Abstract: 1284260 Labelling SATO KIKO KK 1 July 1969 [11 June 1969] 14763/72 Divided out of 1283954 Heading B8F In a hand labelling device in which labels are initially carried on a backing strip, instead of removing the labels from the strip at a sharp edge, the strip is formed into a free loop and the relatively stiff labels, being unable to follow the sharp turning back of the backing strip, are separated therefrom when the return run of the strip is fed to reduce the length of the loop. A trigger member 553 is provided with upper and lower feed pawls 558, 560. The upper pawl 558 engages incisions or notches provided between adjacent labels on a strip 580, and serves, on leftwards movement of the trigger under spring bias, to advance the labels towards their dispensing position and increase the size of the loop formed adjacent a label applying roller 579. On manually pulling the trigger to the right the lower pawl 560 engages the lower, return, run of the strip and shifts it rightwardly, reducing the size of the loop and separating the end label 581 from the backing strip. During this movement the upper run of the label strip is stationary, and desired inscriptions are printed on the penultimate label by a pivoted printing mechanism 572 which is actuated by a cam 559 carried by the trigger and acting on a lever arm 571 of the printing mechanism.
Patent GB-180561-A (GB)
Title: Improvements relating to means for supplying mixtures to internal combustion engines
IPC: F02M1/00
Filed: 1921-05-27
Abstract: 180,561. Mann, Egerton, & Co., Ltd., and Hammond, T. W. May 27, 1921. Heating charge.-Air is heated either in a pipe coiled around the exhaust pipe, or in a muff 21 preferably of aluminium and of channel section which surrounds the exhaust pipe and has air inlets 23, 24. The heated air leaves at 27.
Patent GB-766039-A (GB)
Title: Improvements in or relating to devices for planting or distributing seeds, or the like
Inventor: RUSSELL GEORGE ELLEKER
IPC: A01C7/08
Filed: 1952-09-13
Abstract: 766,039. Seed sowers, manure distributers. RUSSELL'S (KIRBYMOORSIDE), Ltd. Dec. 14, 1953 [Sept. 13, 1952], No. 14961/52. Class 6(1).  An implement for planting or distributing seeds or other material and particularly cotton seeds comprises a seed hopper provided with a rotatable bottom 15 which urges seed to an opening in the side of the hopper and a rotatable toothed rotor 19 having a part which passes through the opening and feeds seeds from the hopper to an adjacent duct 27 for delivering to the soil. The bottom 15 is provided with a cone member 16 on which are mounted agitating fingers 17 and the flat part of the bottom is formed with curved serrations 35. The rotor 19 is formed with a circumferential groove in which engages a stripping plate 31 formed with an arcuate edge 33 which strips seed from the teeth 20 of the rotor 19. Seeds are fed out of an aperture in the side of the hopper and the aperture is extended upwardly and the extension is normally closed by a vertically slidable shutter 41 formed integrally with a plate 42 which is urged yieldingly into engagement with the upper face of the rotor 19. If seeds become blocked between the rotor teeth they will displace the shutter 41 and increase the effective area of the feed aperture. A shroud 36 is provided above the part of the rotor 19 that projects into the hopper and the hopper is also provided with an internal baffle 34 (see Fig. 8). The implement is formed as a unit, one or any convenient number of which are attached to a transverse frame or tool bar which may be attached to the hydraulic lift of a tractor. Each unit comprises a frame which supports the hopper and on which is mounted a trailing wheel which drives the bottom 15 and rotor 19 through change speed gearing. The drive to the bottom 15 and rotor 19 may be taken from a tractor power shaft. A furrow forming coulter is mounted in the frame and two mouldband members are provided for covering the seed with soil which is consolidated by the trailing wheel. In a modification shown in Fig. 8 the seed is fed by a rotor 72 to a secondary rotor 73 having cone-shaped portions 74, 75 which merge into a flange portion 76. Deflector plates 78 and 79 are provided. Mechanism may be provided for adjusting the depth of penetration of the coulter and may be of the kind disclosed in Specification 766,040.
Patent GB-936176-A (GB)
Title: Improvements relating to rectifier arrangements
Inventor: WALKER ALEC HERVEY BENNETT
IPC: H02M7/10
Filed: 1962-04-18
Abstract: 936,176. Rectifying. WESTINGHOUSE ELECTRIC CORPORATION. April 18, 1962, No. 15084/62. Class 38 (2). In a rectifying arrangement comprising a stack of series-connected solid stops, rectifying elements 3 connected to supply D.C. at terminals 6, 7, from an A.C. source T, and wherein there are distributed capacitances to earth from points along the stack through which capacitive currents may flow, a conductive screen 5 is provided around the stack which provides capacitances across the rectifier elements so that the capacitive currents to earth may bypass the rectifier elements and so not cause undue heating. As shown, the screen is a coil of wire of increasing pitch. Alternatively, a flared collar may be provided. The screen is connected to the transformer end of the stack.
Patent GB-214121-A (GB)
Title: Groove pulley with internal spring for billiards cue chalk cord
IPC: A63D15/16
Filed: 1923-06-11
Abstract: 214,121. Hatton, H. June 11, 1923. Billiards, chalk-holders for.-A chalk for billiards is suspended on a cord wound on a grooved spring pulley. A casing 8 is formed in two parts held together by a bolt 2, which also forms a pivot for a grooved pulley 4. A chalk 7 is attached to the end of a cord 6, which passes through a hole 5 in the casing and is wound on the pulley 4. The chalk is normally held in its upper position by a spiral spring 1 adapted to act on the puley, but may be pulled down against the action of the spring when required for use. Reference has been directed by the Comptroller to Specification 5360/08.
Patent GB-560800-A (GB)
Title: Improvements in or relating to the production of strains of yeast suitable for food purposes
IPC: C12N15/01
Filed: 1942-10-29
Abstract: The yeast "torulopsis utilis" is cultivated in a wort or medium in the presence of a substance which increases the nuclear content of the cells, such as a bicyclic terpene and in particular camphor, comphene or bornyl acetate.  The culture may be effected in a Petri dish.  Development of colonies is slower than in ordinary wort, but the cells which develop are larger in size than the original cells and maintain their size when subcultured in an ordinary medium such as wort agar or molasses wort.  The new strain of cells are more easily separated by centrifuging or filtration than the original strain.
Patent GB-307251-A (GB)
Title: Improvements in and relating to a process for bleaching natural and artificial fibres
IPC: D06L4/00
Filed: 1928-05-24
Abstract: 307,251. Marks, E. C. R., (Chemische Fabrik Stockhausen et Cie). May 24, 1928. Bleaching, processes and materials for.-The wetting and penetrating properties of oxidizing liquors used in bleaching natural or artificial fibres are increased by either a prior or a simultaneous treatment of the fibres with the sulphuric acid compounds of oils, fats or fatty acids, or mixtures thereof, obtained by the processes described in Specifications 293,480 and 293,717, [both in Class 2 (iii), Dyes &c.]. These compounds also exert a pressure action on the fibres.
Patent GB-208483-A (GB)
Title: Improvements in or relating to compensating spring arrangement
IPC: B60G11/12
Filed: 1923-06-12
Abstract: 208,483. Vanhulen, E. April 7, 1923, [Convention date]. Laminar springs.-In vehicle springs for motor cars, side-cars, motor cycles, and saddles of the kind comprising laminated springs having superposed leaves the ends of which are separately articulated to a common attaching member, the load, or the axle which supports it, is suspended from the attaching member at a single point such that the movement of the load causes a movement in inverse directions of some of the leaves relatively to the remaining leaf or leaves, such movement being limited between two positions beyond which the leaves act all in one direction. The leaves 5, 6, 8, Fig. 1, of the spring are articulated to bolts or pins 2, 3, 4 carried by side plates constituting the attaching member, which is pivoted to the chassis &c. by one of the bolts such as ,3 through an intermediate support. For loads less than the extreme, the outer leaves move in opposite directions as shown by the arrows, while the intermediate leaf is practically in a state of equilibrium. Under excessive load, the leaves tend to move in the same direction as shown by the arrows in Fig. 2. In a modification, the plates are replaced by a casing and the bolts are provided with bushes.
Patent GB-969023-A (GB)
Title: 5-piperazinyl-10,11-dihydrodibenzocycloheptenes
Inventor: HARMS AUGUST FRANCISCUS
IPC: C07C63/331
Filed: 1961-04-27
Abstract: The invention comprises dihydrodibenzocycloheptene derivatives of the general formula: <FORM:0969023/C1/1> and their non-toxic acid addition salts, wherein R1 represents an alkyl (C1-7), aryl or aralkyl group, and the preparation thereof by reacting a 5-halo-10, 11-dihydro-5H-dibenzo (a, d)cycloheptene with an N-alkyl-, N-aryl- or N-aralkyl-piperazine, preferably in the presence of an acid-binding agent. The starting materials are prepared as follows:- Benzalphthalide (prepared by condensing phthalic anhydride with phenylacetic acid) is treated with phosphorus and HI to yield dibenzyl-o-carboxylic acid which is cyclized to 10, 11-dihydro -5H- dibenzo [a, d] cyclohepten -5- one, using H3PO4/P2O5. The ketone is reduced with NaBH4 to 10, 11-dihydro -5H- dibenzo [a, d] cyclohepten -5- ol, which is converted to the corresponding chloride with thionyl chloride. Other halogenating agents specified are hydrohalic acids, phosphorus halides and oxyhalides.  Pharmaceutical preparations comprise the compounds of the invention in association with a pharmacologically acceptable carrier They have psychotropic, antihistaminic and anticholinergic activity, and may take the form of tablets, pills, capsules, solutions, suspensions, emulsions, syrups or elixirs.
Patent GB-421108-A (GB)
Title: Improvements in and relating to means for dynamically balancing machines
IPC: G01M1/36
Filed: 1934-05-23
Abstract: 421,108. Grinding and wood-working machines. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. May 23, 1934, No. 15414. Convention date, May 26, 1933. [Classes 60 and 145 (i)] In a grinding or polishing machine, or a wood-working machine, means is provided, forming a permanent part of the machine, for balancing the rapidly rotating tool. As applied to a grinding- machine, the grinding-wheel 12 is mounted on a shaft 13 located in a fixed or adjustable housing 14 and is driven from a motor by a pulley 17. The shaft is mounted in ball bearings 23 carried by a tubular member 24, supported at one end from the housing 14 by a thin flexible disc 28 secured by screws to the inner periphery of a head 27 on the member 24 and to the housing 14, thus forming a fulcrum about which the member 24 may move. At the other end, the member 24 is normally supported by screws 32 in the housing, and also is pressed by three radial springs 30. Secured to the shaft 13 is a balancing-head 19 comprising a casing 33 secured to the shaft and having an internal ball race 34, against which two or more balancing balls 36 may be locked by a clutch 35. The clutch is normally pressed to engage the balls by a spring 37 and may be moved to release the balls by movement axially by means of a push rod 38 moved by an actuator 20. When it is desired to balance the wheel 12, the screws 32 are backed away from the member 24, to allow vibration of the shaft 13 &c., the shaft is run above its critical speed, and the balls are released by movement of the rod 38. The balls then move to the lighter side of the wheel 12 and are locked in that position by releasing the clutch, and the member 24 is locked in position by the screws 32. The head 19 may be positioned on either side of the wheel 12, or two heads may be provided, one near each end of the shaft, and to enable the shaft to vibrate about either end, each end of the member 24 is supported by a disc 28, the outer periphery of which is releasably clamped to the housing 14, springs 30 also being provided at each end of the member 24. Specification 349,818, [Group XIX], is referred to.
Patent GB-476177-A (GB)
Title: Improvements in easy chairs and the like
IPC: A47C1/032
Filed: 1936-06-02
Abstract: 476,177. Sliding seats. KNOLL & CO., GES., W., and KNOLL, W. C. June 2, 1936, No. 15454. [Class 52 (ii)] In an adjustable chair of the kind in which the seat h and back k are pivotally connected and in which notched members or racks on the frame are engaged by pins or lugs on the seat, the rear of the seat is supported on racks d formed with rounded notches, the side of each notch towards the front being more steeply inclined than that towards the rear. The seat frame a is supported at the front on rollers b, and is provided at the rear with rollers c which bear on the racks d, which are sloped downwardly towards the front. Springs n on the seat frame in front of the rollers c bear on the racks to lessen the shock when the rollers drop into the notches. A tension spring f secured to the seat and to the chair frame tends to retract the seat.
Patent GB-227364-A (GB)
Title: Improvements in receiving systems for wireless signals
IPC: H03F3/52
Filed: 1924-06-27
Abstract: 227,364. Rodo Patents, Ltd., and Sloot, F. A. L. June 27, 1924. No Patent granted (Sealing fee not paid). Thermionic amplifiers and detectors; undesired signals, eliminating or limiting.-Receiving apparatus of the type described in Specification 226,417 is provided with a tuned circuit h, i between the earth lead e and the negative end of the cathode of the high frequency amplifying valve. The inductance h may be inductively coupled to the tuning inductance a. The rectifying valve is connected across the tuned circuit h, i, as shown through the usual grid condenser j. The Provisional Specification states that the negative end of the cathode in the rectifying valve and the variable grid resistance are connected directly to earth.
Patent GB-638562-A (GB)
Title: Spring mechanism
IPC: F16F15/073
Filed: 1947-06-12
Abstract: 638,562. Automatic regulators. BENDIX AVIATION CORPORATION. June 12, 1947, No. 15557. Convention date, July 17, 1946. [Class 38 (iv)] [Also in Group XXXII] In an electromagnetically-operated carbon pile regulator, which may be of the type described in Specification 631,815, downward movement of an armature member when the regulator is energized, is resisted by a spring mechanism (see Group XXXII), which is mounted on the regulator, and is adapted to compensate for the varying force between the electromagnet and its armature due to the varying distance between them. The regulator, Fig. 6, comprises a base-plate 11 having riveted thereto a core 13 of an electromagnetic winding 15 located in a case 14, which is closed by a top plate 16. A carbon pile 27, supported by a hinged armature plate 21 above the top plate is slidably mounted on an insulated rod 26 passing freely through the plate and an armature member 22 and screwed into the core 13. The plate 21 is also pivotally connected at 19 through a stem 7 'to a vertical movable member 3 of the spring mechanism, a rigid horizontal member 1 of which is formed integral with an extension of the top plate 16. The tension of the springs 5 of the mechanism may be adjusted by means of a nut 8. Conductors from the carbon pile and the winding 15 are connected to a terminal block 30 welded in the base-plate 11. In a modification, Fig. 7, the horizontal member 1 of the spring mechanism may be supported on vertical posts 17, 18. The regulator may be assembled in a can-like container 35, the outer edge 36 of the baseplate 11 being rolled over a flange 37 on the container.