baber/WOPTO huggingface dataset:
Patent GB-989237-A (GB)
Title: Improved disc brake
IPC: F16D55/2255
Filed: 1962-03-23
Abstract: 989,237. Disc brakes. DUNLOP RUBBER CO. Ltd., and C. PRESS. March 23, 1962, No. 11127/62. Heading F2E. A disc brake comprises a rotatable disc 12, a fixed torque taking member 13, a pair of springy pressure members 11, 11A extending chordally across the disc and associated at one end with the member 13, the pressure members 11, 11A being capable of springy movement towards and away from the disc, friction pads 14, 15 and a mechanism to effect frictional engagement of the pads with the disc. As shown the pads 14, 15 are bonded or otherwise secured to backing plates 16, 17 which are detachably located on the pressure members 11, 11A by sheet metal brackets 18. A yoke 19 secured to a flange 20 bolted to the pressure member 11 straddles the disc and bears through a thrust member 23 against a piston slidable within a fluid-pressure cylinder 21 which is bolted to the pressure member 11A. The piston may be provided with a wear-adjustment device.
Patent GB-988926-A (GB)
Title: Improvements in or relating to hatch covers
IPC: B63B19/18
Filed: 1964-03-17
Abstract: 988,926. Hatch covers. P. O. HUSE. March 17, 1964, No. 11243/64. Heading B7S. In a tilting and stacking arrangement for hatch covers consisting of several interconnected sections 5 each provided near each end thereof with two rollers 6, 7 so that the sections may be displaced upon tracks 2 by means of a hauling rope 8 and when the successive sections move past the end of the hatch they are tilted from a horizontal to a vertical position in which they are stacked upon rails 10 outside the coaming 1 of the hatch, the stacking rails 10 have no direct connection with the roller tracks 2 provided on the coaming and are situated at a higher level than said tracks and are arranged in the form of cantilevers or brackets on vertical posts 12 upon the ship's deck, those rollers 6 by means of which each section is suspended from said cantilevers being situated near the rear end of the section, each section being tilted about rollers 4 which are stationary upon the coaming and co-operate with profile parts 9 on each side of each section.
Patent GB-963653-A (GB)
Title: Improvements relating to multi-channel communication systems
Inventor: SARAGA WOLJA
IPC: H04J1/18
Filed: 1962-03-23
Abstract: 963,653. Multiplex transmission. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. March 14, 1963 [March 23, 1962], No. 11255/62. Drawings to Specification. Headings H4L and H4R. In a frequency-division multiplex system in which two speech bands S1, S2 modulate different carriers C1, C2, the outputs of the modulators are multiplied together and the unwanted products S1 S2 and C1 C2 are filtered out, leaving S1 C1 and S2 C2 for transmission. One or other of the sidebands may also be removed by filtering. In a 12-channel system, alternate channels, e.g. those employing carriers C1, C3; C2, C4 and so on, are paired and multiplied together and are fed through suitable filters for transmission. Symmetrical multiplying circuits of the diode-ring type and Hall type are described.
Patent GB-1037364-A (GB)
Title: Safety explosive
IPC: C06B31/20
Filed: 1965-03-17
Abstract: A safety explosive contains an alkali metal nitrate, ammonium chloride, and a highly explosive component, e.g. nitroglycerine or nitroglycol, the mol ratio of ammonium chloride to alkali metal nitrate being more than 1.1 and less than 2.  The explosive has increased combustion pressure and power as compared with an explosive in which the mol ratio is 1; less oxides of nitrogen are present in the gases after explosion and this increases the safety.
Patent GB-550271-A (GB)
Title: Improvements relating to calendering machines
IPC: B29B7/58
Filed: 1941-09-03
Abstract: 550,271. Rubber calendering machines. ROBINSON & CO., Ltd., J., and MURPHY, J. Sept. 3, 1941, No. 11270. [Class 87 ii)] [Also in Group XXIV] Relates to rubber calendering machines and consists in means for preventing the hands of the operator from being caught in the nip between the calender bowls, and for ensuring a uniform feed to the bowls. The rubber is placed in a trough-like space formed by the bowls a, b, a number of spaced bars c and end members d. The upper ends of the bars are mounted on a rod e, the bars sloping downwards and inwards, their lower ends being forked to embrace a sleeve g mounted on a rod h. To the sleeve are secured (1) finger-like members j lying between the bars c, and (2) arms k joined by cross-pieces m the actuation of which causes the fingers j to press on the rubber. When not being actuated, the fingers rest on stops n.
Patent GB-954265-A (GB)
Title: Pharmaceutical compositions comprising guanylhydrazones
IPC: C07C281/18
Filed: 1962-01-16
Abstract: Pharmaceutical antiinflammatory compositions comprise a carrier and a guanylhydrazone of the formula <FORM:0954265/A5-A6/1> wherein R and R1 are alkyl radicals-preferably containing not more than 6 carbon atoms, R2 is a hydrogen atom or an alkyl radical preferably of up to 6 carbon atoms, R2 is a hydrogen atom or an alkyl, alkoxy or halogenated alkyl group having from 1-6 carbon atoms and n is 1, 2, 3 or 4 or a physiologically tolerable acid addition salt.  They may be in forms suitable for enteral, parenteral and local administration e.g. tablets, dragees, ointments, creams, solutions, suspensions or emulsions, such forms comprising conventional pharmaceutical excipients.
Patent GB-165987-A (GB)
Title: Improvements in or relating to the construction and arrangement of the frames of casement and other windows
IPC: E06B3/26
Filed: 1920-04-23
Abstract: 165,987. Rutty, W. A., and MacPherson, M. April 23, 1920. Casements; fanlights and hopper windows.-In a casement of the kind which is adapted to swing inwardly or outwardly and in which a hinged stop frame is provided, the window is carried on vertical pivots c and the stop frame b opens inwardly and is hinged or pivoted to the frame preferably on the side opposite the pivots. Suitable securing- bolts or thumb screws are provided for the stop frame. The invention may be applied to fan. lights and hopper windows.
Patent GB-738334-A (GB)
Title: Improvements in the charging of apparatus for reacting finely divided solid materialwith a gaseous medium
IPC: F23C99/00
Filed: 1953-04-24
Abstract: 738,334. Supplying fuel to gasification chambers. KOPPERS GES., H. April 24, 1953 [May 2, 1952], No. 11406/53. Class 51 (2). [Also in Group XXX] Charging apparatus for a reaction chamber in which a fuel-dust /oxygen mixture is gasified comprises a storage bunker 19 feeding a weighing hopper 17 disposed over a circular scraper conveyer 15 feeding a series of closed hoppers 10, each of which supplies fuel to a nozzle head 2 through a compressing and feeding device and pipes 3. The compressing and feeding device comprises a cylinder 8 in which a piston 9 compresses the fuel into a pneumatic seal against a counterweighted flap 12, and a screw feed 5 delivering the fuel as it falls through the flap 12 into a grinding mill 6 from which it is swept into the pipes 3 by oxygen-containing reaction gas supplied to a ring duct 7. An inert gas, such as nitrogen, is supplied at 14, preventing back pressure of the carrier gas supplied at 7. A seal 16a is also provided between the weighing hopper 17 and the scraper conveyer 15.
Patent GB-540192-A (GB)
Title: Improvements in and relating to coil or spiral springs
IPC: B60G11/58
Filed: 1940-07-10
Abstract: 540,192. Springs. TASKERS OF ANDOVER (1932), Ltd., and DOUGHTY. H. O. July 10, 1940, No. 11494. [Classes 108 (ii) and 108 (iii)] . A spring unit, specially applicable in a vehicle suspension between the pivoted lever 1 carrying the wheel and the chassis, comprises a spiral spring 10 mounted between flanges 8, 9 on telescoping cylinders 5, 4 provided with packing rings 34 or other packings so as to constitute a pneumatic cushion, the inner cylinder 5 carrying a resilient pad 19, e.g. rubber, which contacts the end of the cylinder 4 before the coils of the spring could come into contact. The unit is mounted in a built up housing 12 secured, in the example shown, to the chassis frame and apertured for the passage of the antisupporting lever 1 which is attached, as by a bolt 7, to the cylinder 5. A stop 33 of resilient material, such as rubber, is provided for the .end of the levers. The cylinder 4 has a concave end 21 with interconnecting channels 22 and bears on a convex block 20 fixed to the casing and fitted with a lubricator 23. A further lubricator supplies oil to the top interior of the cylinder 4, and also serves as a non-return valve for the air in the cylinders. A double acting shock absorber is mounted on the housing and connected with the lever 1.
Patent GB-527600-A (GB)
Title: Improved filling heads and nozzles for bottling liquids
IPC: B67C3/26
Filed: 1939-04-17
Abstract: 527,600. Bottling. HARLEY, C. B. April 17, 1939, No. 11565. [Class 125 (ii)] The filling head 6, Fig. 1, of a bottling machine is resiliently mounted so that it may tilt if contact occurs between the bottle and the filling tube 17, and vertical movement of the head to compensate for variations in the heights of bottles is also allowed. The head has a disc 8 resting on the part of an arm 9 bordering a semi-circular recess 10, Fig. 2. Headed spindles pass through perforations in the disc and perforations 12 in the arm 9, and a spring 16 is disposed on each spindle between the arm and an adjusting nut 15. The filling tube 17 is removably held by a screwed sleeve 21, Fig. 5, acting against the head 22, and is provided with a tube 24 communicating at its upper end through an annular passage 26 with a nipple 5 connected through a nipple 4, equalizing chamber 2, and nipple 3 to a suction pump. The liquid inlet 7 is disposed above the nipple 5, and a liquid intercepter is disposed between the nipples 4 and 5.
Patent GB-1470302-A (GB)
Title: Process for the production of butanediol
IPC: C07C29/00
Filed: 1974-03-15
Abstract: 1470302 Butane diol; multistage preparation GENERAL ELECTRIC CO 15 March 1974 [30 May 1973] 11659/74 Heading C2C Butane diols are made by (a) reacting propylene, oxygen and a C 1-6  alkanoic acid at an elevated temperature in the presence of a catalyst selected from Pt, Ir, Os, Pd, Rh or Ru or its salts or oxides; (b) hydroformylating the resulting allyl alkanoate in the presence of a carbonyl of Fe, Co, Ni, Ru, Rh, Pd, Os, Ir or Pt or their mixture or a mixture of the carbonyls and the free metals, at elevated temperature and pressure; (c) de-esterifying the resulting diol carboxylate esters to produce the desired butane diols and a carboxylic acid; and (d) recycling the carboxylic acid for use in step (a).
Patent GB-1384247-A (GB)
Title: Textile fibre carding
IPC: D01G15/80
Filed: 1971-04-27
Abstract: 1384247 Fixed flat carding engines PLATT INTERNATIONAL Ltd 24 April 1972 [27 April 1971] 11663/71 Heading D1N In a carding engine having a stationary carding surface 14 in cooperation with a carding cylinder 10, means are provided downstream of the surface 14 to extract waste from the fibre web on the cylinder 10. The waste removal may be achieved by a set of moving flats 34 from which the waste is removed by an oscillating comb 37. Alternatively a roller (30) may be employed in place of the flats 34, Fig. 1 (not shown). The carding surface 14 is composed of plates 15, releasably connected together, through which needles 17 pass. Suitable needle densities and protruding lengths are given. Saw tooth wire or flexible card clothing may be used alternatively. Specification 1384246 is referred to.
Patent GB-404929-A (GB)
Title: Improvements in ring-spinning machines, ring-doubling machines and other machines for winding yarn or thread on spindles or other bodies analogous to those used in ring-spinning and ring-doubling machines
IPC: D01H1/36
Filed: 1932-04-23
Abstract: 404,929. Building - motions for ring spinning and like machines. PLATT BROS. & CO., Ltd., Hartford Works, HUGHES, J., 247, Chamber Road, and WATSON, W. H., 43, Lynn Street, all in Oldham. April 23, 1932, No. 11682. [Class 120 (ii).] To enable yarn to be wound in ring spinning and doubling or other machines in forms which are of accurate cylindrical shape between the conical or rounded base and the conical tip, in the case of cops, or between the conical ends, in the case of bobbins of parallel build, an oscillatable block a is provided with a cylindrical surface engaged by a flexible steel or like band p connected to a primary rocker t of a volute or other building-motion, and with an adjustable sector c of varying radius engaged during the oscillation of the block imparted by the band p by a similar band g connected to a secondary rocker l operating the ring rails. The operative surface of the sector is arcshaped and diminishes gradually in radius, and the sector is pivoted to the block a on a stud band is adjustable in a slot d of circular curvature struck from the centre line of the stud, so that the motion transmitted to the ring rail may be adjusted to wind the yarn in cylindrical form on spindles tubes or bobbins of different shapes. The Provisional Specification comprises also a " bearing surface, or edge cam, grooved cam or face cam " formed on an oscillating block or on an adjustable part thereon, and an oscillating block provided with two adjustable sectors or arc-shaped parts. Specifications 13292/04, 21330/04, [both in Class 120, Spinning], and 8065/15, [Class 120 (ii), Spinning, twisting, &c.], are referred to.
Patent GB-451572-A (GB)
Title: Improvements relating to electric accumulators
IPC: H01M2/12
Filed: 1936-04-24
Abstract: 451,572. Batteries. DEAN, H., and CHLORIDE ELECTRICAL STORAGE CO., Ltd., Clifton Junction, near Manchester. April 24, 1936, No. 11695. [Class 53] A vent plug for an accumulator comprises a body part a containing a horizontal baffle e provided with gaps f in its periphery and having a conical projection g on its upper surface and grooves or recesses h underneath. The edge of the baffle e is tapered to fit a correspondingly shaped recess d in the body part a thus preventing the baffle from being inserted upside down. Above the baffle is an apertured disc k and below the baffle is an expansion chamber b in which acid carried by the escaping gas is deposited. The chamber b may communicate directly with the cell through an opening c or through a passage c<1> at right angles thereto. The bottom of the plug is provided with depressions m and ridges n to enable any acid deposited thereon to return to the cell.
Patent GB-1101443-A (GB)
Title: Apparatus for assembling stacks of two or more sheet articles
IPC: B65H39/075
Filed: 1965-03-19
Abstract: 1,101,443. Forming stacks of sheets. STANDARD TELEPHONES & CABLES Ltd. 19 March, 1965 [23 March, 1964], No. 11732/65. Heading B8C. Sheet articles to be stacked are delivered singly from each of several stations 2 (Fig. 2) laterally on to fixed platforms 3 which overlie a conveying trough 1. The sheets are then pushed from the platform 3 by a pusher conveyer 5 so that they fall on to stacks formed at the preceding stations and slid along the trough 1 by the pusher conveyer 5. In the form shown the sheets are delivered by driving rollers 11, against which they are pressed by counter rollers 16 moved into engaging position by a solenoid 12 which also operates a pusher 19 to complete the delivery movement.
Patent GB-1031468-A (GB)
Title: Semi-conductor d.c. control circuits
Inventor: WRIGHT MAURICE JAMES
IPC: H02M3/00
Filed: 1962-03-28
Abstract: 1,031,468. Semi-conductor oscillating, monostable circuits. JOSEPH LUCAS (INDUSTRIES) Ltd. March 21, 1963 [March 28, 1962], No. 11830/62. Heading H3T. A circuit for controlling the firing and quenching of a semi-conductor controlled rectifier of the type which can be turned off by a pulse on its gate includes a capacitor having one plate connected to the cathode of the rectifier and its other plate connected to the gate electrode of the rectifier through two paths connected in parallel, each including a fourlayer diode. In the embodiment of Fig. 1, in which the circuit is free-running, capacitor 18 is charged from D.C. source 13 over resistor 10 and potentiometer 15 until the voltage across the capacitor is sufficient to cause four layer diode 25 to break down when the capacitor discharges through diodes 24, 25 and resistor 21 and causes controlled rectifier 16 to conduct. The potential of the cathode of 16 rises and capacitor 18 charges in the opposite direction until the voltage across it is sufficient to cause four-layer diode 23 to break down and the capacitor to discharge through diodes 22, 23 and resistor 21 to turn the rectifier 16 off. Oppositely poled diodes 22, 24 prevent break down of the four-layer diodes by reverse voltages. The " on " "off" periods of the rectifier 16 are determined by the setting of potentiometer 15 or as in Fig. 3 (not shown), wherein terminal 14 is connected to the junction between a Zener diode and resistor across terminals 11, 12 via a variable resistor. In the modification of Fig. 2 (not shown), differentiated pulses from a generator are applied to the junctions of diodes 24, 25 to initiate the breakdown of diode 25. Fig. 4 shows the application of the circuit to a motor speed-control circuit. When transistor 44 is non-conductive capacitor 18 is charged until four-layer diode 25 breaks down and rectifier 16 is switched on. Capacitor 18 is prevented from charging in the reverse direction by transistor 44, but when the output voltage of generator 47, dependent on the speed of the motor, is sufficient to cause Zener diode 46 to break down and transistor 44 to be rendered conducting, capacitor 18 charges through transistor 44 until diode 23 breaks down and rectifier 16 is switched off. In the circuit of Fig. 5 (not shown), the load is connected in the anode circuit of the rectifier and terminal 14 is connected to a control circuit, the rectifier 16 being turned on when the control circuit is not operative, but when operative the capacitor charges in the opposite direction to switch the rectifier off.
Patent GB-744010-A (GB)
Title: Improvements in and relating to magnetic recording tape
IPC: G11B5/708
Filed: 1953-04-29
Abstract: 744,010. Discharging electricity. GRUNDIG, M. April 29, 1953 [April 30, 1952], No. 11838/53. Class 35. [Also in Group XXXVIII] A magnetic recording tape is provided with an electrically conductive layer over a part at least of its cross-section so that the tape is electrically connected with the recording apparatus and serves to remove electrostatic charges on the tape caused by rubbing during winding. The said layer may be a metal foil or wire, or a suitable material such as graphite or soot embodied in the material during manufacture of the tape.
Patent GB-1254301-A (GB)
Title: Improvements in insulated gate field effect transistors
Inventor: DAS MUKUNDA BEHARI
IPC: H01L29/00
Filed: 1968-03-11
Abstract: 1,254,301. Semi-conductor devices. ASSOCIATED SEMICONDUCTOR MFRS. Ltd. 28 Feb., 1969 [11 March, 1968], No. 11843/68. Heading H1K. The subject-matter of this Specification is substantially fully disclosed in Specification 1,254,302, but the claims are directed to an insulated gate field effect transistor in which the gate electrode 28 is off-set from the drain region 17, and in which the gate insulation comprises a lower layer 21, e.g. of silicon oxide, which induces an inversion channel 19 in the substrate 1, and an upper layer 22, e.g. of silicon nitride, which stabilizes the lower layer 21. The Specification also contains a brief description of a conventional method of manufacturing such a device which is not included in Specification 1,254,302.
Patent GB-939116-A (GB)
Title: Preparation of glycol esters of terephthalic acid
Inventor: SEBELIST FREDERICK JAMES
IPC: C07C69/82
Filed: 1962-03-28
Abstract: The glycol esters of terephthalic acid, namely bis(b -hydroxyethyl)terephthalate and mono(b -hydroxyethyl)terephthalate, are prepared essentially free of impurities containing ether linkages by the direct esterification of terephthalic acid with ethylene glycol under pressure at elevated temperatures, in the presence of a critical quantity of water (a molar ratio of water to ethylene glycol varying from 0.2-0.6).  The pressure used is sufficient to maintain the aqueous glycol solution in the liquid phase (e.g. 250-1000 p.s.i.g.).  The preferred ethylene glycol/terephthalic acid molar ratio used is in the range of 8/1 to 12/1 . Excess water formed during the reaction may be removed to increase the conversion of the reactants to the esters or to shorten the reaction time.  Four examples are given, illustrating the effect of water on the formation of ether by-products in the reaction.
Patent GB-821370-A (GB)
Title: Improvements in tracking means for conveyer bands and belts
IPC: B65G21/00
Filed: 1957-04-11
Abstract: 821,370. Tracking endless conveyer bands. PACKMAN, P. J. April 10, 1958 [April 11, 1957], No. 11851/57. Class 78 (1). A thin endless conveyer band 1 is maintained running centrally by a guide-plate 3 adjacent each edge on which are mounted a number of inwardly-extending pins 6, 7, 8, 9 adapted to corrugate the edges of the band as it passes the guide-plate, thereby preventing buckling of these edges. The plates 3 are adjustably secured by set-screws to a transverse rod 2. The band is arranged to pass over this rod 2, over the pins 6, 7 and under the pins 8, 9. The pins 6-9 are short relative to the width of the band and have rounded ends.
Patent GB-527799-A (GB)
Title: Improvements in or relating to locks of the rack bolt type
IPC: E05B35/00
Filed: 1939-04-20
Abstract: 527,799. Bolt fastenings. TIBBLES, H. J., GUNN, F. V., and RELY-A-BELL BURGLAR & FIRE ALARM CO., Ltd. April 20, 1939, Nos. 11930/39 and 5384/40. [Class 44] A rack bolt is locked in its shot and retracted positions by a gravity catch carried by the bolt. As shown the bolt 3 slidable in a tubular mortise casing 1 has a rack 4 engaged by a key 7 with pinion flutings, rotation of the key operating the bolt. The catch member has a short depending limb 14 slidable in an aperture in the bolt, a longer depending limb 12 disposed against the end 5 of the bolt, its free end engaging one or other of two apertures 15 in the casing, and a horizontal portion 13 engaged by the conical end 8 of the key, as it is inserted in apertures 6 in the casing, to lift the limb 12 out of engagement with aperture 15. Rotation of the bolt is prevented by a pin 9 slidable along a slot in the casing. Alternatively, the bolt may have flats, or oval or other non-circular cross-section. The right-hand aperture 15 may be omitted and the part 12 arranged to lock the bolt in retracted position by engagement with the end of the casing. In a modification the rack portion of the bolt is omitted and the rack teeth are provided on the under face of part 13. In a further modification of this form the slidable connection at 14 between the catch and the bolt is replaced by a pivotal connection.
Patent GB-1282201-A (GB)
Title: Method of processing and purifying wool fats
Inventor: RIALDI GIORGIO
IPC: C11B11/00
Filed: 1970-03-12
Abstract: 1282201 Purifying woolfat G RIALDI 12 March 1970 [12 March 1969] 12027/70 Heading C5C Woolfats are purified by mixing raw woolfats with an inert adsorption agent and a polar solvent, heating the mixture until the fats are completely liquefied, filtering, fractionally crystallizing the filtrate at 30‹ to - 10‹ C. and separating out a crystalline precipitate. The adsorption agent may be activated charcoal and/or adsorbent earths. The polar solvent may be amyl, ethyl or butyl acetate or phthalate or a mixture thereof.
Patent GB-385602-A (GB)
Title: Improvements in or relating to sound transmitters
IPC: G01S1/72
Filed: 1931-04-23
Abstract: 385,602. Sound transmitting devices. PINTSCH AKT.-GES., J., 71, Andreasstrasse, Berlin. April 23, 1931, No. 12074. Convention date, April 25, 1930. [Class 40 (iv).] A tone chamber a is-tuned in resonance with a diaphragm c with which it is associated by means of a replaceable annular screen b having inner rounded edges and arranged so that the screen may be changed without dismantling any other parts of the transmitter. The sound transmitter may have a horn d.