baber/WOPTO huggingface dataset:
Patent GB-315376-A (GB)
Title: Improvements in rotary engines or pumps
IPC: F01C1/46
Filed: 1929-07-12
Abstract: 315,376. Anger, J. R. July 12, 1928, [Convention date]. Movable -abutment type.-A rotary engine or pump has an oscillating abutment actuated in one direction by the piston vanes and returned to its original position by the fluid pressure. The piston 1 has two vanes 5, 6 which trip the projection 10 on the abutment 8 to rock it. When the vane has passed, the pressure of fluid on the abutment restores it to the initial position ready for engagement with the other vane. The fluid enters at 7 and leaves at 8<1> along the axis of the abutment, the passage of which may be convoluted to produce the return effect on the abutment. This effect may also be produced by providing the face 10<1> with a greater surface than the face 10. A single piston may be used with several abutments in the same casing. The abutment may control an electric switch and the device may be used as a motor or a pump. In Fig. 7, the device is used as a supercharger to force carburetted gas entering at 26 into an internal combustion engine 22. The piston 24 and abutment 27 act as a pump in the usual way to pass the compressed gas through the channels 29, 30 to the engine. The spring stop 32 acts as a safety valve. The piston may have annular flanges 13, 14, 15, Fig. 5, to emulsify the liquid by the air entering through the bearings of the piston shaft and so reduce the weight.
Patent GB-479359-A (GB)
Title: Improvements in the removal of phenols from waste aqueous liquids
IPC: C07C37/82
Filed: 1936-08-05
Abstract: In extracting phenols from waste aqueous liquors by means of a solvent, the liquors are, before admixture with the solvent, treated with active carbon or a substance, such as brown coal ash, containing active carbon.  Oily and solid matter may be preliminarily removed from the waste liquors by filtration or treatment with gases.ALSO:In extracting phenols from waste aqueous liquors by means of a solvent, the liquors are, before admixture with the solvent, treated with active carbon or a substance, such as brown coal ash, containing active carbon.  Oily and solid matter may be preliminarily removed from the waste liquors by filtration or treatment with gases.
Patent GB-1140165-A (GB)
Title: Method and means for flame cutting continuously moving workpieces
IPC: B23K7/00
Filed: 1967-05-10
Abstract: 1,140,165. Cutting by fusion. MESSER GRIESHEIM G.m.b.H. 10 May, 1967 [10 May, 1966], No. 21769/67. Heading B3V. A continuously moving workpiece 10, particularly a continuous casting, is cut into lengths by an oxygen jet 16 which produces a tapered cut 14, the jet being inclined in the cutting direction, Fig. 2 (not shown), so as to ensure that the narrowest portion of the cut is completed first. The narrowest portion may be nearest the torch 12 but is preferably on the side of the workpiece remote from the torch. The shape of the cutting flame is adjusted by the oxygen pressure and the taper of the cut may also be varied by the cutting speed.
Patent GB-905076-A (GB)
Title: Improvements in or relating to tubulous heat exchangers
Inventor: WORLEY NORMAN GEORGE
IPC: F28D7/06
Filed: 1958-07-07
Abstract: 905,076. Tubular heat-exchangers. BABCOCK & WILCOX Ltd. July 6, 1959 [July 7, 1958], No. 21770/58. Class 64 (3). In a heat-exchanger consisting of a bank of staggered tube limbs 12-17 formed by tubes, each of which consists of at least two of the limbs united by a return bend, the limbs, e.g. 14, 16 and 15, 17, of alternate tubes (see Fig. 2), are spaced apart by distances less than the external diameters of the tube limbs and the tubes at locations where neighbouring tubes cross one another, which in the embodiment shown is in the region of the return bends, are formed e.g. of an elliptical cross-section, to permit such spacing of the tube limbs. The tubes may be formed by welding suitablyformed return bends to the ends of separately formed tube limbs. Alternatively a sinuous tube may be deformed at the bends to the desired dimensions by heat and pressure. Extended heating surface in the form of continuous helical fins or projecting studs may be provided on the tube limbs. Specification 865,427 is referred to.
Patent GB-808121-A (GB)
Title: Improvements in or relating to gramophone pick-ups
Inventor: ELLIOTT LLEWELLYN JOHN
IPC: H04R17/06
Filed: 1954-07-27
Abstract: 808,121. Stud and socket fasteners. ELECTRIC & MUSICAL INDUSTRIES Ltd. July 27, 1955 [July 27, 1954], No. 21847/54. Class 44 [Also in Group XXXVIII] The cartridge 11 of a gramophone pick-up is releasably held within a pick-up arm 10 by a clip fastener 27 whose resilient front portion 33 locates the cartridge against a sleeve 29 and whose resilient side members 30, 31 are shaped to engage the waisted portion 23 of the cartridge cover 19.
Patent GB-812270-A (GB)
Title: Improvements in thermionic valve circuits
IPC: H03K17/78
Filed: 1954-07-27
Abstract: 812,270. Discharge tube relay circuits. GILL, R. T., and GILL, Ltd., R. T. July 19, 1955 [July 27, 1954], No. 21858/54. Class 40 (6). [Also in Group XL (b)] A thermionic discharge tube is operated under conditions such that a negative charge is accumulated on its grid and in the grid/cathode space so the tube passes zero or a very small current to its anode, control being applied by varying the external impedance between grid and cathode so that part of the grid charge leaks away or is inhibited from leaking thus controlling the anode current. The tube is entirely self-biased and is controlled entirely by grid-charge leakage. Fig. 2 shows the application to an amplifying stage controlled by the impedance of a photo-cell 1 connected in the grid/cathode circuit of a tube 2. An alternating supply voltage is applied to the anode and via a condenser to the tube heater so that the heater voltage leads by 90 degrees on the anode voltage which assists grid and space charge build-up. The incidence of light on the photo-cell 1 controls the operation of relay in the anode circuit of the tube. In a modification, Fig. 3, not shown, the tube is controlled in dependence upon the output of a selenium photo-cell connected in the grid/cathode circuit. In a further modification, Fig. 4, not shown, a directly-heated tube is used controlled by a selenium photo-cell. Fig. 5 shows a circuit for controlling the operation of the lights of a motor vehicle in dependence upon the incidence of daylight upon a photo-cell connected in the grid/cathode circuit of the tube. The circuit operates directly from the 12-volt direct-current battery of the vehicle. In the event of failure the lights are caused to come on automatically.
Patent GB-624001-A (GB)
Title: Improvements in or relating to high-frequency furnaces
IPC: H05B6/04
Filed: 1946-07-23
Abstract: 624,001. Induction. heating. PHILIPS LAMPS, Ltd. July 23, 1946, No. 21884. Convention date, July 24, 1945. [Class 39(iii)] [Also in Group XL(c)] A high frequency furnace comprises an j oscillator valve 1 having a tuned anode coil 6 into which the work 11 is placed and in order to keep the anode and grid currents within the permissible limits when the work is removed a diode 7 is included in the grid circuit the saturation current of the diode being arranged to correspond to the maximum permissible grid current. Specification 270,488, [Class 40(v)], is referred to.
Patent GB-574956-A (GB)
Title: Improvements in or relating to the manufacture of synthetic linear polyamide yarn
IPC: D01F6/60
Filed: 1943-12-31
Abstract: Synthetic linear polyamide yarn having high tenacity is obtained by melt spinning at a speed in excess of 3000 feet per minute a synthetic linear polyamide comprising 85-98 per cent of a polyamide having a quench index of 25 mils or less, interpolymerized with 15-1 per cent of a modifying polyamide which raises the quench index by at least 2 mils.  The quench index is measured by filling a wedge-shaped sheet-aluminium mould of specified dimensions with the solid polymer; placing in a glass tube and melting under vacuum; removing from the tube and quenching in water at 0 DEG  C.; dissolving the aluminium mould so as to leave a wedge of the solid polymer which is clear at the tip of the wedge and for some distance from the tip because of rapid quenching; and measuring the thickness of the wedge at the line of demarcation between the clear and cloudy or opaque portions.  The interpolymerizing may be effected not only by heating together in the molten state the two polyamides which are to be polymerized, but also by heating together the monomeric polyamide-forming ingredients and interpolymerizing by well-known methods.  The amount of heating involved in the melt spinning of a mechanical mixture of two polyamides is sufficient to produce the required interpolymerization. Polyhexamethylene adipamide may be modified with polyhexamethylene sebacamide.  Polyamides having a relative viscosity of less than 20, as determined by measuring the viscosity of a solution containing 8.4 per cent of the polymer in formic acid of 90 per cent strength and the viscosity of this solvent, are preferred.  Other polyamides of low-quench indices are polyethylene sebacamide and polyhexamethylene pimelamide. Other modifying polyamides are those from hexamethylene diamine and azelaic acid; 12 - aminostearic acid; decamethylene diamine and sebacic acid; amino capronitrile; piperazinium sebacate; tetramethylene diammonium adipate; caprolactam; decamethylene diammonium 1 : 4-cyclohexane-bis - e - sulphonamido - caproate; ortho - xylyl diammonium adipate; and many others. Polyamide-forming constituents which may be used as modifying agents with a diamine such as hexamethylene diamine are terephthalic acid, p-phenylene diacetic acid, and glutaric acid. Polyamide-forming constituents which may be used as modifying agents with a dibasic acid such as adipic acid are ethylene diamine, N1 : N1-dimethyl hexamethylene diamine and decamethylene diamine.  In an example, hexamethylene diammonium adipate is interpolymerized with a small proportion of hexamethylene diammonium sebacate in presence of acetic acid as viscosity stabilizer.  The interpolyamide is melt-spun at 2500 to 4500 feet per minute into air and the filaments obtained are cold drawn.
Patent GB-219647-A (GB)
Abstract: 219,647. Bauermeister Maschinenfabrik und M³hlenbauanstalt Ges., H. July 25, 1923, [Convention date]. Pneumatic separatin.,q. - Pneumatic sorting apparatus of the type described in Specification 28112/12 for treating ground products such as cocoa powder, banana. flour and the like is provided with an outer casing g so that the air employed may move in a closed circuit and passages are provided connecting the sorting chamber with the atmosphere for the supply of cold air to avoid undue rise in temperature. The sorting chamber consists of a cylindrical sieve d against which the material is thrown by a rotary spreading disc e and a cylindrical ring h carrying a depending conical hopper i. A current of air is induced upwardly through the space between the sieve d and ring h, by a fan f connected to the disc, and carries off the lighter particles allowing the heavier particles to fall t'o a discharging cone m and spout n. The air from the fan passes between the casing g and the sorting chamber depositing the lighter particles and returning to the sorting chamber round the lower end of the cone i. A ring k with apertures of adjustable area controls the current of air. A second cone p provided at its lower end with a ring o with adjustable openings may be added. The air passages q connecting the sorting chamber wifh the atmosphere may communicate with either or both of the rings k, o.
Patent GB-1180144-A (GB)
Title: Improvements in or relating to Circuit Arrangements Incorporating Relaxation Generators
IPC: H03K3/30
Filed: 1967-05-11
Abstract: 1,180,144. Transistor oscillator circuits. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 11 May, 1967 [14 May, 1966], No. 21979/67. Heading H3T. A circuit includes a transistor 1 connected as an astable relaxation generator, the collector circuit including a coil 2 inductively coupled to a coil 3 in an input circuit of the transistor, the coil 2 being shunted by means 4 to limit, in both directions, the amplitude of oscillation; and a current-limiting resistor 5 placed in series with the input circuit. As shown, the limiting to form a rectangular waveform is performed by identical Zener diodes 6, 7. In alternative arrangements (Figs. 6, 7, not shown), the ends of coil 2 are connected through similarly poled diodes to one side of a Zener diode, the other side of which is connected to a centre-tap on coil 2 (Fig. 6), or (Fig. 7) a voltage doubler is connected across coil 2 and stabilized by a Zener diode. The circuit may be modified to form a frequency modulator by employing an adjustable resistor 5, or to form a frequency divider, a rectangular wave of a frequency a multiple of the oscillator frequency being applied across a base resistor of transistor 1, and a resonant circuit, adjustable to select a desired harmonic of the oscillator frequency, being connected in series with the collector circuit 2. Such arrangement (Fig. 4, not shown) operates for input frequencies of an odd multiple of the selected oscillator frequency, but for even multiples the phase of the input is inverted at each half cycle of the oscillator frequency by applying the input through a ring modulator coupled to the core 2, 3 (Fig. 8, not shown).
Patent GB-1366727-A (GB)
IPC: B65D83/14
Filed: 1972-05-11
Abstract: 1366727 Pressurized dispensing containers PERFECT-VENTIL GmbH 11 May 1972  [13 May 1971] 22188/72 Addition to 1366195 Heading F1R In a cap for a dispensing container according to the percent Specification the nozzle cover is extended to overlie the top surface of the cap and is secured thereto. Recesses may be formed in the top to accommodate the extended portions. A number of ways of securing the cover to the cap are described. The cover may be of laminated construction and perforations or grooves may be formed in it to facilitate removal of the cover.
Patent GB-1341429-A (GB)
Title: Mobile radio telephone system
IPC: H04W48/16
Filed: 1971-04-19
Abstract: 1341429 Automatic exchange equipment SOC ITALIANA TELECOMUNICAZIONI SIEMENS SpA 19 April 1971 [9 Feb 1970] 22233/71 Heading H4T The fixed installation of a radio telephone system includes a programmer and a code converter which supervise the system and translate the signals emanating from the mobile user or the exchange into a form suitable for the other. Timing circuits are provided to ensure that if each stage in the connection process is not completed a clearing signal is generated to release the connection. In operation each free radio channel radiates an availability tone which is sought by a particular mobile user when it receives a call signal from a general calling channel. When the mobile locks on to this channel it sends a carrier frequency signal PR which operates switching circuit αS to stop the radiation of the availability signal and start monostable M2 which provides the second timing circuit. Within the time period of M2, 300MS, the mobile should radiate its identification signal IM which sets bi-stable B3 and by-passes M2. Depending on the direction of the call either a calling signal ch or dial tone sc is sent to the mobile and monostable M1 which forms the first timing circuit, having a period of 45 secs., is set. When the mobile's handset is lifted, signal r disappears to set bi-stable B2 through gate 13 and thus by-pass M1. Similarly if the mobile's dial is operated bi-stable B2 is set and M1 by-passed. The monostable M3 is used to cause the sending of a clearing signal which restores the equipment to its original condition. Monostable M3 is set by the output of gate 18 which has inputs from the timing circuit monostables M1, M2, from the exchange ds, from the mobile signal r and also from circuit α 5 which responds, after a 5 sec. delay, to loss of carrier signal and error signal E which is sent from the code converter when an error in code is perceived.
Patent GB-381146-A (GB)
Title: Improvements in or relating to safety razors
IPC: B26B21/36
Filed: 1931-09-22
Abstract: 381,146. Safety razors. TAYLOR, G., Hollinghurst, Kingsway, Penwortham, Preston. Sept. 22, 1931, No. 22245/32. Divided on 374,731. [Class 30.] A safety razor comprises a doubleedged blade 10 clamped to a carrier 1 reciprocated through a pin 6 by a cam groove 7 in a face - engaging roller 8, the carrier being mounted longitudinally slidable in end-plates 14, 15 of a fixed frame by centrally disposed guide-pins 20, 21, and means for guiding the carrier and blade so as to set its edge in respect to the roller. Such means comprise shaping the upper surface of the endplates 14, 15 so that the blade, when flexed over the transversely curved upper surface of the carrier 1 by the backing-plate 2, is spaced from the endplates over its central region but its edges 11 rest with little friction on the plates. The guide-pins 20, 21 on the carrier and the apertures which they engage in the endplates 14, 15, may be rectangular so as to act both as a guide and as a means for limiting rocking movement of the carrier. These additional means limit rocking movement of the carrier so that the pin 6 cannot leave its cam groove 7 when the blade is removed. An idle guard roller 16 for the opposite blade edge permits shaving with this edge without reciprocation, although the slight play of the pin 6 in its cam slot may cause a certain amount of reciprocation. The backing-plate 2 carries the usual aligning and screw-clamping pins, the nut 4 of the latter being accommodated by a bridge-piece 23 to which the handle is screwed.
Patent GB-636520-A (GB)
Title: Improvements in or relating to locking or clamping devices
IPC: B25B1/24
Filed: 1948-08-25
Abstract: 636,520. Clamping devices. HAAS, W., and MECANIS AKT.-GES. Aug. 25, 1948, No. 22418. [Class 61 (ii)] In a clamping device a fixed jaw h and a holder a for the movable jaw b are bolted at l and k to the bench i. Rotation of the eccentric c by means of a lever, causes the jaw b to move forward in an inclined guideway in the holder a, against the pressure of a spring f, thereby clamping the work g against the surface of the bench and the fixed jaw. The holder is slotted at n to allow of adjustment of the distance between the jaws.
Patent GB-1041517-A (GB)
Title: A device for quick attachment of grinding wheel units or segments
IPC: B24D7/06
Filed: 1964-06-01
Abstract: 1,041,517. Abrasive tools. DISKUS WERKE FRANKFURT AM MAIN A.G. June 1, 1964 [May 31, 1963], No. 22544/64. Heading B3D. In a modification of the quickattachment device for grinding wheel units according to Specification 944,549, each central clamping element 3 is held by a nut 14 on a stud 4 mounted in the carrier plate 1. The element has an elongated slot 8 through which the stud 4 passes, and a nut recess 9. The element has a stop 10 and is sunk into an annular recess 11 of the plate 1. A cold glue or putty layer 13 is applied on the flattened part of the base of the grinding wheel unit 5 which is engaged by the part 12 of the element.
Patent GB-761292-A (GB)
Title: Improvements in or relating to trailers
IPC: B62D63/08
Filed: 1954-08-03
Abstract: 761,292. Trailer vehicles; rest-bars. TOMKINS, J. W. Aug. 3, 1955 [Aug. 3, 1954], No. 22550/54. Classes 108(1) and 108(2). A trailer tow-bar 1 is provided with lugs 5 pivotally supporting an attachment link 2 having an apertured lug 6 for engagement with the tractor towing connection 3. The link 2 is connected by a chain 17 to a hand lever 16 pivoted at 15 to the tow-bar 1 and when the rest-bar 8 is erected the height of the lug 6 may be adjusted vertically by operation of the lever 16. When the rest-bar is in its out-of-use position the ears 13 engage the lug 14 on the lever 16 to maintain the rest-bar hard against the attachment link 2 and tow-bar 1.
Patent GB-1379353-A (GB)
Title: Turbines
IPC: F01D25/24
Filed: 1973-05-11
Abstract: 1379353 Turbine stator casings BLOHM & VOSS AG 11 May 1973 [8 Sept 1972]  22665/73 Heading FIT The invention relates to a stator casing assembly for an axial-flow steam turbine, the assembly comprising a steam exhaust chamber defined by a cylindrical wall 16, an end wall 14 and an end flange 15, the rotor 13 being supported within the chamber by the shaft which is supported by the end wall 14. A live-steam inlet casing 12 is disposed within the exhaust chamber and has a nozzle assembly 10, 11 arranged to direct steam on to the blades of the rotor, the inlet casing being supported within the exhaust chamber by means of a radially resilient support wall in the form of a tube 17 which is secured by welding 12' to the periphery of the inlet casing at one end and to the end flange 15 of the exhaust chamber at the other end. The inlet casing 12 is formed from a solid plate and is formed with an annular nozzle chamber 5 and with four radially-extending passages 4 which connect the nozzle chamber with a steam inlet duct 3 which extends axially into the inlet casing. The exhaust chamber is provided with a radiallydirected steam outlet 6. The steam inlet is formed with a flange 8 of which is secured by bolts to the inlet casing, an inlet valve 7 having a radial inlet duct 19 being connected to the inlet 3. The radial passages 4 are formed by drilling, the ends of the drillings being closed by plugs 4'. In Fig. 3 (not shown), the inlet casing is formed as a casting. In Fig. 4 (not shown), the exhaust chamber peripheral wall is formed by casting. In Fig. 7 (not shown), the end flange 15 of the exhaust chamber diverges away from the end wall 14 towards the exhaust outlet. In fig. 8 (not shown), the inlet chamber is disposed eccentrically within its exhaust chamber. Outer embodiments are described.
Patent GB-723652-A (GB)
Title: Improvements in unsewn bookbinding
Inventor: ANDREWS WALTER JOHN
IPC: B42C9/00
Filed: 1951-09-28
Abstract: 723,652. Bookbinding machines. BOOK MACHINERY CO., Ltd. Sept. 22, 1952 [Sept. 28, 1951], No. 22736/51. Class 16. In a bookbinding machine in which the unbound books are conveyed past means for glueing the books, deforming means are provided between which the rear parts are bent over in one direction during their travel so as to fan over the backs to expose simultaneously narrow marginal parts of all the sheets of each book to the glueing means. Books 1 are fed between endless conveyers 2, 3, past a rotary cutter 15 for roughening the backs, glue applying means 4, 5, as described in Specification 723,649 and continuously fed glue-coated lining material 7 the margins of which are folded over by the flanges of a roller 12 against marginal parts of the top and bottom of the book. Mull or open mesh fabric from a spool 4 may also be supplied. Before the first glueing stage the. back edges are fanned downwardly to expose a very narrow margin of each sheet by means of a vertically adjustable longitudinal bar 42 with a bevelled and inclined lower edge in co-operation with a bevelled part 44a of a lower guide plate 44. To maintain the back edge of the deformed book perpendicular to the horizontal plane of travel a roller 32 is located in advance of the glue applying means 4, its pressure against the fanned sheets being adjustable by means of a screw 39 which is secured to a slide carrying the roller. As the books travel past roller 32 a spring-loaded upper guide bar 51 secured to a vertically adjustable carriage 52 supporting conveyer 2 assists in the gradual return of the sheets to normal position. The width of the book fanned may be ¢ to ¥ in. resulting in about 5/1000 in. exposure of the sheets. Specification 656,931 is referred to.