baber/WOPTO huggingface dataset:
Patent GB-772117-A (GB)
Title: Improvements in or relating to transistor amplifiers
IPC: H03F1/30
Filed: 1955-07-21
Abstract: 772,117. Transistor amplifier supply circuits. PHILIPS ELECTRICAL INDUSTRIES, Ltd. July 21, 1955 [July 24, 1954], No. 21150/55. Class 40(6) In a transistor amplifier having a low resistance input 5, the supply 2 is applied to a potential divider 3, 4 the diode 3 being operated in the pass direction to feed the base of transistor 1. An increase in temperature causes the potential drop across diode 3 to fall so that the forward bias on transistor 1 is reduced to off-set the rise in collector current which would otherwise occur. The circuit may be applied to a push-pull arrangement (Fig. 3, not shown). The diode 3 may be shunted by a resistor when the compensating effect is. too great. The divider 3, 4 may feed a series of transistors.
Patent GB-478687-A (GB)
Title: Process and machine for yarn dyeing, dressing and loom beaming
IPC: D06B3/04
Filed: 1936-07-31
Abstract: A plurality of yarns are assembled in side-by-side relation and are passed through a group of baths in which the yarns are dyed, a positive feed being applied to the yarns prior to their immersion in the first bath as well as a resilient tension applied to the yarns prior to their engagement with the first feeding means, to effect feeding of the yarns into the first bath while preventing sudden increases of tension.  The sheet or ribbon of yarns after passing through a dye vat may be dried as it issues from the vat, and then sized and again dried, the yarns being separated between the first drying operation and the sizing bath.  The yarn is unwound from a series of drums or beams 11, Fig. 2a, supported on a frame 10, or from a series of spools, with the yarns lying side by side, and are passed, through a comb if desired, over feeding and tensioning devices indicated at B, comprising, in the form shown, three feed rollers 21 driven at equal speeds from a continuously rotating shaft 26 and a tension roll 29, the springs 30 attached to which yield to relieve the tension on the yarns in starting the beams 11 to revolve. The sheet or ribbon of yarn is next passed through a dyeing apparatus C comprising a dye vat 33, Figs. 2a, 2b, on which is mounted squeeze rolls 56, 73, the pressure of the upper of which against the lower may be regulated to squeeze liquid from the yarn in its passage from one part of the vat to another.  The yarn next passes around practically the whole periphery of a drying drum D, Figs. 2b, 2c, from two guide <PICT:0478687/IV/1> <PICT:0478687/IV/2> <PICT:0478687/IV/3> <PICT:0478687/IV/4> rollers above which the yarn passes over rods 126, Fig. 2c, which separate any adhering strands, to three evener rolls 127 and to a sizing apparatus E.  From the forward squeezing rolls of the sizing apparatus E the yarn passes under a guide roller around a second drying drum F, Figs. 2c. 2d, similar in construction to the first drum D, and around a series of rollers, fans being arranged adjacent the runs of material in the vicinity of the drying drum to assist in drying the material.  From the last of these rollers 180, Fig. 2d, the sheet or ribbon passes through rods 215 to an adjustable comb 216 and thence alternately under and over tensioning rods 240 to callender rolls.  A presser roll or rod 255 bears, under the action of a weighted arm, on the material to press it against a beam on which it is being rolled, a ratchet and pawl device being provided to prevent this when not desired.  The speed of the shaft 85, Fig. 2b, from which the various squeeze and feed rollers are driven is regulated by a double cone belt drive, one cone being on the main driving shaft, to prevent substantial tensioning of the yarns during their passage to the beaming position and to positively beam the yarns at substantially the same speed as they are passed to it.
Patent GB-729430-A (GB)
Title: Cattle spraying apparatus
Inventor: LEE RONALD HARVEY DAVID FRANK
IPC: A01K13/00
Filed: 1951-09-07
Abstract: 729,430. Animal - spraying apparatus. COOPER, McDOUGALL & ROBERTSON, Ltd. July 24, 1952 [Sept. 7, 1951], No. 21207/51. Class 5 (1). A gangway, formed by rails 9 supported by uprights 8 inclined outwards and of a width adequate to permit the passage of one animal only, is arranged between a system of spraying conduits 3 and nozzles 6 within side walls 2. The floor, formed with a foot-bath 13 at the entering end, slopes to the middle where it discharges by a channel 16 to a filtering sump 18.
Patent GB-251228-A (GB)
Title: Improvements in combination sound record containers and radio and gramophone amplifiers
IPC: G11B31/00
Filed: 1925-08-24
Abstract: 251,228. Pooley Co., (Assignees of Dewar, W. H.). April 22, 1925, [Convention date]. Gramophones modified to constitute telephonic loud-speakers; cases. - A cabinet containing a gramophone combined with a. wireless set and loud-speaker is provided with a chamber f which serves as a sound amplifier for both the loudspeaker and the gramophone and also serves as a container for the sound record i and reproducing apparatus. Fig. 4 shows the conduits n, p from the gramophone tone-arm and loud-speaker respectively and a valve v operated through gearing by a handle u and adapted to close one or other of the conduits. The chamber f is preferably provided with sound-smothering hinged doors wand sound-permeable sliding doors x.
Patent GB-335300-A (GB)
Title: Improvements in or relating to brakes for trailer vehicles
IPC: B60T7/10
Filed: 1929-07-10
Abstract: 335,300. Neate, R. W. July 10, 1929. Hand actuation.-In brakes, particularly cableoperated brakes on trailer vehicles, actuated by a rotary drum, rotation of the drum in a brake releasing direction is normally prevented by a one-way clutch, one member of which is coupled to the drum and the other member to frictional restraining means which may be wholly or partially released at will. The cable operating the brakes of the trailer vehicle, is wound on a drum 1 on the tractor vehicle having ratchet teeth 2 engaged by a pawl 3 controlled by a bellcrank lever 4 the limb 5 of which forms a handle at the top of the control lever 6 so that the pawl is engaged when the lever is moved in an anticlockwise direction to apply the brakes. The drum 1 engages through a one-way clutch 16 the hub 15, Fig. 2, of a second drum 7 on the inner surface of which act brake shoes 8 controlled by a cam 9 normally urged to its brake-expanding position by a compression spring 13 acting on an arm 12 having a toothed sector 11 engaging a toothed sector 10 on the shaft of the cam 9. In operation the brakes are applied by repeated strokes of the lever 6, the one-way clutch between the drums 1, 7 preventing clockwise rotation of the drum 1, and they may be partially released by moving the lever 6 so that it moves the arm 12 against the spring 13 releasing the. brake shoes 8 from the drum 7 for a short period whereupon the drums 1, 7 rotate together in a clockwise direction. A pawl may be provided in the housing 14 engaging the teeth 2 positively to prevent reverse rotation of the drum 1 this pawl being freed by the lever 6 immediately before the brake 8 is released. The brake 8 may act on the exterior of the drum 7.
Patent GB-220808-A (GB)
Title: Improvements in exhaust silencers for internal combustion engines
IPC: F01N1/08
Filed: 1923-08-22
Abstract: 220,808. Wynn, E., and Phillips, E. B. Aug. 22, 1923. Exhaust-silencers. - In a silencer comprising a central inlet tube a with longitudinal slots k, a doubly-coned member b with rows of perforations l in radial planes between those of the slots k, and a casing c with an outlet, as described in Specification 166,835, three or more slots k and three or more rows or pairs of rows of perforations l are provided. The slots k may be replaced by rows of short slots, and the perforations l by short slots.
Patent GB-470533-A (GB)
Title: Improvements in or relating to frames for retaining paper or other sheet material inposition as for photographic printing or copying thereon
IPC: G03B27/02
Filed: 1936-07-31
Abstract: 470,533. Photographic contact-printing apparatus. MODERN PRODUCTS (L.C.L.), Ltd., and LAKE, P. July 31, 1936, No. 21265. [Class 98 (ii)] In a frame of the kind in which a sheet of resilient material, which may be porous rubber, is interposed between the pressure platen and the printing material, the pressure surface of the platen has ribs or other irregularities which ensure uniform compression over the whole of the resilient sheet. As shown, apparatus for reflex copying comprises a lamp housing 12 provided with an amber filter 26 and a glass window 11 as of plate glass. Drawbars 16 slidably mounted in brackets 17 on each side of the housing, are actuated through rack gear 18, 19 by levers 20, and are held in adjusted position by ratchet gear 21. To the bar or bars on one side is pivoted at 22 a frame 15 carrying a pressure platen 14 of laminated wood and adapted to be secured by a shackle 24 to the bar or bars on the other side. The underside of the platen 14 is formed unevenly, e.g. with corrugations or projections, and to it is stuck a sheet of porous rubber 27 which presses flat the sheets placed on the glass 11.
Patent GB-440712-A (GB)
Title: An improved process for the production of lead-tellurium alloys
IPC: C25C1/12
Filed: 1935-07-26
Abstract: In making lead-tellurium alloys, particularly for electric cable sheathing, by methods in which there are added to lead additions which have melting points higher than the casting temperature of the finished alloy, the tellurium, preferably in the form of lead-tellurium eutectic mixture, is added to part only of the lead which is heated to the necessary dissolving temperature, the remainder of the lead being thereafter added in solid form without the application of further heat.
Patent GB-1039025-A (GB)
Title: A diesel-electric drive
IPC: B61C9/24
Filed: 1963-05-29
Abstract: 1,039,025. Transmitting mechanical power; driving generators. LICENTIA PATENTVERWALTUNGS-G.m.b.H. May 29, 1963 [May 29, 1962], No. 21459/63. Headings H2A and H2H. Two diesel engines 1, 2 jointly drive a generator 3 through an epicyclic gear 4, the armature 10 of the generator 3 having a hollow shaft through which passes a shaft 6 coupling the diesel 2 with the primary shaft 5 of the gear 4 which is coupled directly to the diesel 1. The shaft 5 carries a part 7 which drives a sun wheel 8 connected to the armature 10 through a coupling 9 preferably of articulated construction. The shaft 6 may be in the form of a torsion-bar spring and engines 1, 2 may have a common speed governor and fuel admission adjusting device.
Patent GB-221937-A (GB)
Title: Improvements in machines for filling liquids or semi-liquid substances into receptacles
IPC: B67C3/28
Filed: 1923-08-27
Abstract: 221,937. Roberts, T. Aug. 27, 1923. Apparatus fitted to filling-machines.-In a machine for filling liquids and semi-liquids into receptacles, the receptacle is placed on a weighing scale m on the base a of the machine, or on a weighing scale m<1> adjustably secured to a tube b, which supports the filling-head mechanism, and adapted to be turned out of the way behind the tube when the scale m is in use. When the scale pan falls, an electric connection is made to close the filling valve in known manner.
Patent GB-169334-A (GB)
Title: Improvements in and connected with the repairing of vehicle pneumatic tyres or tyre covers
IPC: B29C73/04
Filed: 1920-07-19
Abstract: 169,334. Caddy, S. C. July 19, 1920. Punctures, apparatus for closing.-A method of repairing cut or burst tyre covers consists in filling the cut with rubber composition or the like and placing a patch over the inside of the cut and vulcanizing the whole. A textile lining is then placed over the whole inner surface of the tyre. The cut is pared at its sides to the shape shown at 12, and the canvas foundation layers are cut away in stepped formation to accommodate layers 13 of rubber. The rubber composition 11 is then placed in the cut. The patch comprises fabric layers 14 between which is located a number of transverse flattened helical strips or ribbons 16 of wire or the like embedded in rubber. The textile covering 17 is secured over the whole inner surface of the tyre.
Patent GB-1298918-A (GB)
Title: Method for recording the results of hemagglutination reactions
IPC: G01N33/80
Filed: 1971-04-19
Abstract: 1298918 Hemagglutination test record UNITED STATES ATOMIC ENERGY COMMISSION 19 April 1971 ]9 March 1970] 21676/71 Heading B1X A hemagglutination test is carried out and a permanent record made of the result of the test by a method comprising mixing a blood sample with an antiserum, optionally having a dyestuff dissolved in it and then immersing an end of a cellulose filter paper wick in the mixture until a chromatogram develops and then drying the wick. Any agglutination in the reaction mixture results in a dark band at the lower end of the wick. The invention may be applied in the determination of blood groups and Rhesus factors.
Patent GB-460633-A (GB)
Title: Improvements in or relating to power hammers or the like
IPC: B25D9/08
Filed: 1935-07-31
Abstract: 460,633. Percussive drills. HOLLOWAY, J. July 31, 1935, No. 21688. [Class 124] [Also in Group XXII] A power hammer which may take the form of a road-breaking drill, stamping, or riveting machine, &c. comprises two moving pistons or the like connected through an elastic medium such as a spring and moving at different speeds so that energy is stored during the inoperative part of the movement for use in the working stroke. As shown in Fig. 1, a piston 7 is connected by a link 14 to a pivot 12 on a quadrant 10 pivoted at 11 on the casing. A spring 8 connects the piston 7 to a piston 9 connected by a link 14 to a pivot 13 on the quadrant. The skirts of the pistons are shaped as shown so that the faster moving piston 7 may close on the other to trap air and compress it in the space inside the pistons. Compressed air is supplied at 20 and passes, on the depression of a hand controlled valve 22, to a chamber 25 running substantially the length of the drill casing. From the chamber 25 it enters a channel 26, lifts a valve 27 and passes below the piston 7 to lift it from the position shown at which the blow was struck. By the arrangement of quadrant and linkage shown, the piston 7 moves faster than the piston 9, the spring being compressed. When the upper piston has reached the position at which a port 30 is uncovered, compressed air passes from the chamber 25 through the port 30 to the space surrounding the skirt 9a and thence to a channel 32 leading to a piston 33 attached to the valve 27. The piston is of larger diameter than the valve which is therefore forced down on its seat and air is exhausted from the under side of the piston 7 through channels 35, 36. Thereupon, the pistons 7 and 9 are forced downwardly. The quadrant and linkage connection to the pistons is arranged so that, at the upper position of the piston 9, the system is just short of the balanced position. When tripped, the piston moves with increasing velocity to strike the blow and the reaction is absorbed by the piston 9. In a modification, a hammer is provided with a pair of pistons connected by a spring and articulated by linkage as before to a quadrant lever, which is operated at the pivot end by pawl-and-ratchet by hand or power. At a position just before balance is established in the action of the spring on the pistons, the mechanism is tripped by the engagement of a stop with the ratchet pawl. The hammer shown in Fig. 5 is intended for very light work such as heading small rivets and a similar arrangement of pistons 7, 9, spring 8, quadrant 10, and linkage is provided but is actuated by a finger grip 50 arranged in a handle 51 connected to a slide 52 surrounding a second slide 53, connection between which may be established by a pin 55 in the outer slide engaging a notch in the inner. The inner slide is connected by a rod 54 to the lower piston 7 passing through a passage in the upper.
Patent GB-294613-A (GB)
Title: Improved actuating means for rotary condensers and the like
IPC: H03J1/10
Filed: 1928-07-26
Abstract: 294,613. N³rnberger Schraubenfabrik und Facondreherei. July 27, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Wireless tuning-apparatus, adjustment devices for.-The shaft w of a condenser &c. is rotated from an actuating shaft a by a cord s passing around a drum t on the shaft wand simultaneously winding on and unwinding from opposite ends of the shaft a. The tension of the cord remains constant during the adjustment. As the shaft a is rotated, a member m traversed by a screw-thread g on the shaft a between bearing blocks l limits the rotation of the shaft w and prevents complete unwinding of the cord s from the shaft a.
Patent GB-484696-A (GB)
Title: Improvements in or relating to the production of fluorescent materials
IPC: C09K11/77
Filed: 1936-08-06
Abstract: 484,696. Fluorescent materials. ZEITLINE, V., ZEITLINE, A., and KLIATCHKO, V. Aug. 6, 1936, No. 21714. Void. Convention date, Aug. 8, 1935. [Class 98 (i)] A material exhibiting white or yellowish fluorescence comprises two groups of active elements furnishing respectively a wide spectral band and narrow spectral striae. Elements of the former group are copper, manganese, magnesium and chromium, and of the latter rare earths such as samarium. The material may be a physical mixture or a fused concretion. Examples are : (1) zinc sulphide activated with copper, mixed with calcium oxide activated with samarium, and (2) sulphides of zinc activated with copper and samarium. If the material is to be fused, a flux such as potassium bromate may be used, and the material is heated to about 1000-1200‹ C. in a neutral atmosphere, e.g. argon or nitrogen, may be under pressure, and rapidly cooled.
Patent GB-1236365-A (GB)
Title: Improvements in or relating to the comminution of granular or lumpy materials
Inventor: OBERPRILLER JAKOB
IPC: B29B17/00
Filed: 1969-04-29
Abstract: 1,236,365. Comminuting apparatus. LINDE A.G. 29 April, 1969 [10 May, 1968], No. 21751/69. Heading B2A. Granular or lumpy material e.g. thermoplastic synthetic resin material or rubber is embuttled by cooling in a vertical cooling channel 2 through which it is fed downwardly to a comminuting device 1. A recirculating system passes cooling gas upwardly through the cooling channel 2. As described, material is crushed at 8 and fed to a pin mill 1, the powder being discharged into a container 3. Cooling gas is supplied via a perforated tube 11, and recirculated via a second perforated tube 14 a filter 19 and fan 20 and a serpentine pipe 21. A second embodiment employs a cooling liquefied gas spray, Fig. 2 (not shown). The conveying gas leaving the pin mill 1 is filtered in a bag filter 41 whose container 43 is cooled by a coiled pipe 47. The shaft of the pin mill is sealed by gas passing through a line 53. There may be a known automatic temperature regulating system.
Patent GB-140010-A (GB)
Title: Improvements in lathe and like tools
IPC: B23B27/18
Filed: 1919-09-05
Abstract: 140,010. Fluxio Welding Co., and Schofield, J. P. Sept. 5, 1919. Tools. - Lathe, planer, and like tools are provided with high-speed-steel tips of uniform thickness mechanically interlocked with the shanks in addition to being welded or brazed. The tip d has an abutment at g and a hole registering on a projection c that is riveted over after assembly. Tools with various shapes. of nose are illustrated.
Patent GB-408296-A (GB)
Title: Improvements in or relating to electric heating or drying apparatus
IPC: H05B3/00
Filed: 1932-08-05
Abstract: 408,296. Electric heating and drying apparatus. NATIONAL ELECTRIC HEATING CO., Inc., 154, Nassau Street, New York, U.S.A. Aug. 5, 1932, No. 21975. Convention date, Feb. 5. [Class 39 (iii).] Heating or drying apparatus comprises a perforated heating surface of high resistance material heated by passage of current led thereto by current conducting means arranged parallel therewith to neutralize the inductive effect of the current, and means are provided for removing the gases or vapours produced through the perforated surface. In an apparatus for drying sized yarns, and paper or textile webs the heating surface comprises a perforated shell 1 of nickel chromium to which the current is led through a concentric perforated shell 4 of copper. Current is supplied by a transformer 7 arranged in the interior of the shells. The heating surface may be formed by a wire screen or a wire screen stretched tightly over a relatively thick perforated shell. A porous material, such as felt or cloth may be used to cover the shell. Both inner and outer shells may be used as heating surfaces and the device may be used to evaporate liquids from chemicals in the form of a slurry or paste, or as an internal rotary heater. Two thermo-couples in contact with the outer shell 1 are arranged to act through the device 57 to alter the primary connections so as to reduce the heating current or to cut off the current supply respectively. A suction device draws air and steam from the interior of the drum and delivers the mixture to a second drum to act as the heating medium therefor, or to a heat exchanger for heating the air supply to the second drum. In a further arrangement, Fig. 6, the electrically heated drum is arranged in an air-tight enclosure 94. The air used circulates in a closed circuit comprising suction fan 100, heat exchanger 101, air drier 104 and blower 102. Instead of a heater in drum form, flat or curved heating plates may be used in connection with drying sheets of felt or fibre board. Heating plates may be shaped in various forms for drying moulds. Specification 405,997, [Group XIII], is referred to.
Patent GB-628076-A (GB)
Title: Stabilizer for motor vehicles
IPC: B60G21/055
Filed: 1947-08-08
Abstract: 628,076. Preventing lateral canting; resilient mountings. MONROE AUTO EQUIPMENT CO. Aug. 8, 1947, No. 22005. Convention date, Feb. 6, 1939. [Classes 108 (ii) and 108 (iii)] In a stabilizer for a motor vehicle having sprung and unsprung assemblies comprising a torsion bar extending transversely of the vehicle and mounted on one of the assemblies for rocking movement, and having arms extending laterally from the bar at points spaced longitudinally thereof and connected to the other assembly, the free ends of the arms and their points of connection to the other assembly are movable throughout different paths of travel by means comprising blocks of rubber fixed to the said other assembly, each block having a bore therethrough in which the free end of an arm is fixed whereby the blocks operate in shear during movement of the same and the arms about their respective paths of travel. In the arrangement shown, laterally extending arms 23, of a torsion bar stabilizer 20, having a section 21 resiliently mounted transversely of a sprung assembly 10 of a vehicle chassis, are each connected to an unsprung assembly 11 through a mounting 26 comprising a block of rubber or the like 28, secured to the end of the arm and housed in a retainer 29 which is rigidly secured to the assembly 11. The rubber blocks 28 may be bonded to the arms 23. The arrangement is such that any variations between the paths of travel of the ends of the arms 23 and the paths of travel of their points of connection on the assembly 11 are absorbed by deformations of the blocks 28. In a modification (Fig. 5, not shown), the mounting comprises a rubber bush bonded concentrically between inner and outer metal sleeves and retained in a housing which is secured to the assembly 11. The inner sleeve is slidably engaged on to a reduced portion of the arm 23 which projects through the sleeve and carries a clamping nut, by which the arm is secured to the mounting. In both arrangements, the section 21 of the torsion bar is mounted at each end thereof in a rubber or the like block 24 suitably clamped to a sprung assembly member 12. -