baber/WOPTO huggingface dataset:
Patent GB-676911-A (GB)
Title: Improvements in thermionic valve circuits
Inventor: NEWMAN EDWARD ARTHUR
IPC: H03H7/30
Filed: 1950-03-23
Abstract: 676,911. Valve amplifying circuits. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Feb. 26, 1951 [March 23, 1950], No. 7320/50. Class 40 (vi). A circuit for feeding pulse modulated radio frequency signals to a high Q parallel resonant circuit employs a valve, the anode of which feeds the primary of a transformer, the whole or part of the secondary being connected in the cathode lead in such sense that current flow due to this connection opposes that due to the input signal. A crystal, mounted in the end of an acoustic delay line 5 is energized by pulses of R.F. at the resonant frequency of the crystal from a tuned circuit comprising inductor 7 and crystal capacitance 1. In order to provide a quick build-up at the commencement of the pulse, a feed-back connection is provided from secondary 8 to the cathode of valve 6. The effective input applied to the grid is thus very large at the beginning of a pulse but falls rapidly after a few cycles as the amplitude of the oscillations in the tuned circuit 1, 7 increases. In a similar manner, at the end of a pulse the input to the grid ceases, but feed-back continues to be applied to the cathode circuit so that the oscillations in the anode circuit are rapidly damped out. In a modification, Fig. 3 (not shown), the secondary 8 is tapped to provide the cathode connection and the output is applied over a coaxial line to a further transformer feeding the crystal.
Patent GB-767475-A (GB)
Title: Improvements in and relating to seat supports
IPC: B60N2/06
Filed: 1955-03-15
Abstract: 767,475. Adjustable seats. AMERICAN METAL PRODUCTS CO. March 15, 1955 [May 17, 1954], No. 7492/55. Class 52 (2). In a seat adjustable vertically and horizontally by power means, right-hand and lefthand track elements 10, 11 forming the main supporting elements for the seat are interconnected by rods 42, 63 associated with jack-type power means, the rod 42 being fixed in aligned relation to a cylinder portion having an arm 41 to which is secured a link 37 secured in turn to a bell-crank 23 and by a link 34 to a bell-crank 29, the links 23, 29 being pivoted on side flanges of elements 10, 11 and supporting relatively movable members 51 the upper parts 54 being attached to the seat and encompassing ball-bearings (not shown) to allow movement relative to the lower members 52 which are supported on pins passing through the links 23, 29. When power unit 78 is operated extensible arm 77 rocks the arms 41 forwardly by rotation of rod 42 through bracket 75 and rotates the links 23, 29 to raise the seat assisted by the tension of a spring 47. The rod 63 which can be rotated by operation of power unit 67 has its ends connected to arms 62 connected by links 61 to brackets 59 so that when the arms 62 are rocked forward the seat is moved forwardly.
Patent GB-268945-A (GB)
Title: Improvements in shuttles for looms
IPC: D03J5/00
Filed: 1926-03-18
Abstract: 268,945. Crossley, F., (trading as Crossley & Son, J.). March 18, 1926. Shuttles.-The clips or holders C for retaining the bobbins in position are formed with legs c, which are completely embedded in the shuttle by being forced into holes therein, so that they are out of contact with the peg &c. The legs c may have recesses c<2> to embrace the usual transverse pin a', or they may be hooked or bent into the hole for this pin, or additional transverse holes may be bored into which the legs are bent. Split pins &c may be used to pin the legs in position, or glue may be used. Round, half round, doubled, or stranded wire may be used for the clips &c.
Patent GB-670415-A (GB)
Title: Improvements in or relating to the production of voluminous bakery products
IPC: A21D13/08
Filed: 1947-03-19
Abstract: 670,415. Foamed bakery products. LENDERINK & CO. N.V. March 19, 1947 [March 19, 1946; June 6, 1946], Nos. 7591/47 and 7592/47. Class 49. In making voluminous bakery products such as sponge cakes, the batter is formed by mixing an aqueous protein solution having foaming properties with the whole, or a substantial part of, the cereal flour, e.g. wheaten flour, or starch, e.g. potato starch, and the mixture is then whipped to a foam. To the mixture may be added sweetening agents, egg yolk, a phosphatide, substances which improve the taste or aroma. The pH is preferably adjusted to 8-9, e.g. by addition of sodium or calcium hydroxide, or to 4-5, e.g. by addition of phosphoric, tartaric or citric acid. If only part of the flour or starch is employed before foaming, the remainder is stirred into the foam. The foaming may be augmented by fermentation or by the use of baking powders. Examples are concerned with baking sponge cakes from a batter made by whipping a mixture of the protein solution obtained by the method of Specification 670,413, flour, and a sugar-glucose syrup mixture, and stirring flour into the foam so obtained, and a batter made by whipping a mixture of the protein solution obtained by the method of Specification 670,413, sugar, and flour, adjusted to pH 8.8 by the addition of 10 per cent caustic soda solution. The Specification as open to inspection under Sect. 91, comprises also the whipping of a mixture containing water, any protein or other foam producing agent, and other farinaceous products in addition to flour and starch. This subjectmatter does not appear in the Specification as accepted.
Patent GB-177162-A (GB)
Title: Improvements in automatic ring-plate valves
IPC: F16K15/12
Filed: 1922-03-15
Abstract: 177,162. Voss, J. H. H. March 16, 1921, [Convention date]. No Patent granted (Sealing fee not paid). Addition to 147,825, [Class 135, Valves &c.]. Helical springs.-In a ring plate valve of the kind described in the parent Specification, the separate loading springs are replaced by a single annular spiral spring which is housed in an annular groove in the cap. The spring is corrugated so that the parts 1, 2, 3, 4 rest on the valve plate, and the parts 5, 6, 7 on the top of the annular groove.
Patent GB-1221162-A (GB)
Title: Well operation employing foamed well circulation fluids
Inventor: HUTCHINSON STANLEY OSCAR
IPC: C09K8/592
Filed: 1969-02-12
Abstract: 1,221,162. Boring earth. CHEVRON RESEARCH CO. 12 Feb., 1969 [12 Feb., 1968], No. 7695/69. Heading E1F. [Also in Division B1] A pre-formed foam prepared by contacting a gas with an aqueous solution containing from 0.005 to 10 parts by wt. of an organic foaming agent per 100 parts of solution and having a gas-to-liquid volume ratio of from 3 to 50 standard cubic feet per gallon is used as a well drilling and/or cleaning fluid.
Patent GB-1203362-A (GB)
Title: Improvements in or relating to mining machines
IPC: E21C35/10
Filed: 1968-02-16
Abstract: 1,203,362. Mining machines. EICKHOFF MASCHINENFABRIK U EISENGIESSEREI m.b.H. GEB. 16 Feb., 1968 [27 April, 1967], No. 7707/68. Heading E1F. [Also in Division G1] A mining machine comprises a cutter having its height controlled by means including sensing means for sensing an adjacent rock stratum and supported by a carrier connected to the body of the machine for movement therewith along a mine floor or roof, the carrier being arranged to swing about a horizontal axis and to be held in any selected operative position relative to the axis. The machine 2 travels along a face conveyor 1 and has two cutters 3, 4 for respectively cutting the floor and the roof of a mine, and each cutter has a space clearing member 5 which can be swung over to either side thereof and carries a detector 6 having a radioactive element to emit radiation to scan the floor or roof, the detectors 6 controlling the height of the cutters by means of jacks 7. Each detector, Figs. 3 and 4 (not shown), has Geiger-Muller counting tubes and the radiation source on a member which is spring-urged into engagement with the floor or roof and is streamlined to reduce resistance by debris to travel. In a second embodiment, Fig. 2 (not shown), the detector 6 controls the raising or lowering of the frame of the machine. The detector may emit sound waves and have a corresponding sensor.
Patent GB-1504498-A (GB)
Title: Electrode suitable for the generation of hydrogen peroxid
IPC: C25B11/12
Filed: 1977-02-23
Abstract: 1504498 Active charcoal powder KERNFORSCHUNGSANLAGE JULICH GmbH 23 Feb 1977 [25 Feb 1976] 7728/77 Heading C1A [Also in Division C7] Active charcoal powder is prepared for use as a cathode in reduction of oxygen to hydrogen peroxide by calcining above 900 C. and then cooling, all under a hydrogen atmosphere. The product is blended with a binder and a hydrophobic additive (e.g. natural rubber and PTFE in xylene/toluene) and coated on a conducting substrate, e.g. a Ni gauze. Calcining may take 30 min-2 hours at 1000-1250 C. by passing hydrogen gas through powder of less than 40 Ám diameter at a rate per hour equal to 2-7 times the reactor volume.
Patent GB-231488-A (GB)
Title: Steam generating and surperheating surface
IPC: F22G1/06
Filed: 1925-03-24
Abstract: 231,488. Power Specialty Co., (Assignees of Dowd, W. E.). March 26, 1924, [Convention date]. Arrangements of superheating tubes in boiler furnaces. - In a steam boiler, the combustion chamber is provided with a lining comprising water-heating tubes alternating with superheating tubes. A bank of water-heating tubes B is arranged above a combustion chamber A, the ends being connected to the headers B'. A steam drum C is connected to the tubes B by tubes D and nipples E. The front wall of the combustion chamber is provided with water-heating tubes F alternating with superheating tubes G. Each tube F is surrounded by blocks F<1> of cast iron, and the tubes G are of cast steel section connected end to end. The ends of the tubes F are connected to upper and lower headers F<3>, F<2>, which are connected to the circulating system of the boiler as shown. The superheater header G' is connected by pipe J to the steam drum C. The blocks F<1> and tubes G unite to form a smooth surface, and warping is prevented by the provision of interlocking ribs G<5>. A supporting framework K may also be provided. In a modified construction, Fig. 4, bare tubes FA, GA may be used and may be clamped together by blocks LA. The two sets of tubes may be in line or staggered.
Patent GB-1379855-A (GB)
Title: Claim delivery for sheet printing machines
IPC: B65H29/04
Filed: 1972-02-21
Abstract: 1379855 Sheet ordering apparatus KOENIG & BAUER AG 21 Feb 1972 [9 March 1971] 7897/72 Heading B8R A chain apparatus carrying grippers for collecting printed sheets delivered from an impression cylinder carries an element whereby the chain path is made longer for longer printed sheets to ensure that the sheet dwells on the chains until it is completely discharged from the impression cylinder. Alternatively the trailing end of each sheet may be withdrawn from between the blanket and impression cylinders at the same rate as it is being printed by varying the speed of rotation of the sprockets around which the chains travel so that the speed of the grippers is increased to compensate for the formation of slack which would otherwise arise.
Patent GB-705846-A (GB)
Title: Improvements in systems of spring restraint for levers
IPC: B60G11/18
Filed: 1951-04-05
Abstract: 705,846. Road-vehicle spring-suspensions: springs. MORGAN, H. R. July 4, 1952 [April 5, 1951], No. 7893/51. Classes 108(2) and 108(3) A spring unit for a lever D having anguar motion, comprises a first elongated resilient member F mounted parallel to the rotational axis of lever D on a fixed part A, and a second resilient member F<1>, side by side with, and coupled to, the member F, and coupled to, the lever D. In the construction 'shown a wishbone link D, of a road-vehicle suspension is pivofed at C and C<1> to the chassis frame A. The link D has sockets D<1>, B<2> for laminated torsion bars F, F<1> which are connected at their outer ends by floating members H, H'. According to the Provisional Specification, the locations of the torsion bars at G, G', G<2>, G<3>, B' and D<1> in Fig. 3 may be rotationally adjustable. The bars may be connected at these points by a split tube secured by clamping bolts. One of the leaves of the spring may be extended and clamped to the tube. The sockets D<1>. B<2> may be hinged respectively to the lever D or member B and adjustable by a set screw. The bars F, F<1> may be mounted below the axis of the pivot C and they need not necessarily be straight.
Patent GB-1124875-A (GB)
Title: Improvements in or relating to the folding of fabrics
IPC: D04H11/04
Filed: 1967-02-20
Abstract: 1,124,875. Laminates. SOC. DE CONSTRUCTION DE RECHERCHE D'APPLICATION SOCORAP. 20 Feb., 1967 [21 Feb., 1966], No. 7932/67. Heading B5N. [Also in Division D1] A warp 4 of natural or synthetic textile yarns is corrugated, e.g. in the manufacture of a carpet, by successively pushing parts of the warp 4 between blades 18 on a cylinder 5 by folding rollers 20 each of which is moved, between adjacent blades 18, across the warp 4 from one longitudinal edge thereof to the other longitudinal edge. In the machine shown, the warp 4 is guided by rollers 6, 7 and a bar 8 and when formed with corrugations 2 is bonded to a backing 3 which carries an adhesive layer thereon. The cylinder 5 is mounted on a shaft 9 driven from a main shaft 11 by bevel gears 13, 14, a shaft 15, a wormscrew 16 and a toothed wheel 17. The blades 18 are parallel to the horizontal axis of the shaft 9 and the inner faces thereof are rough to assist in retaining the corrugations 2. The folding rollers 20 are each freely rotatable on a pivot 21 secured to a movable support 22 attached to the machine frame 31. The path of the rollers 20 includes an essentially horizontal portion which is slightly oblique to the axis of the shaft 9 and is followed by a rising portion and a returning descending portion. Each roller 20 is provided with a folding ring 33, Fig. 4, which moves at a given distance from the cylindrical face of the cylinder 5. Retaining rings 34, 35 of the same external diameter as the ring 33 are also provided on the roller 20 to control the bottom of the formed corrugations 2. The rings 33, 34, 35 have entirely circular peripheries but, in a modification to obtain corrugations of varying height across the width of the warp 4, are only circular on parts of their peripheries and comprise flat portions or arcuate segments on the remaining parts. In a modification, Fig. 5 (not shown), to form a cut pile carpet of even height, the ring 35 is replaced by a knife (36) having an outer diameter greater than that of the rings (33) (34). In a further modification, Fig. 6 (not shown), to obtain a textured carpet with upper and lower looped pile, in each group of three folds, one fold is higher than the remaining two folds. In another modification, Fig. 7 (not shown), to obtain a textured cut pile, a folding ring and a retaining ring of different heights and a knife to out the shallow folds only are provided.
Patent GB-1375437-A (GB)
IPC: H01M50/77
Filed: 1972-02-21
Abstract: 1375437 Fuel cell batteries SIEMENS AG 21 Feb 1972 [25 Feb 1971] 7933/72 Heading H1B The pressure drops between the inlet and outlet ends of a number of fuel cells 5 connected across a main electrolyte inlet passageway 3 and a main electrolyte outlet passageway 4 are rendered more equal to tend to equalize the electrolyte flows through the individual cells by making the cross-sectional area of the passageway 3 smaller that that of the passageway 4 at the pairs of locations where the respective cells are connected by conduits 6 to the passageways. The passageways 3, 4 may be of uniform crosssection along their length; preferably, however, the passageway 3 decreases in cross-sectional area and the passageway 4 increases in crosssectional area, in the direction of electrolyte flow. These changes in cross-section may be abrupt or gradual. Further, the conduits 6 may have different cross-sections to additionally improve the flow equalization. The electrolyte supply may be connected to opposite ends of the battery, Fig. 1a, or the same end, Fig. 1b. Fig. 3 shows a pair of cells forming part of a stack having a main inlet passageway 12 and a main outlet passageway 13 of greater crosssection, each cell having an electrolyte chamber 16 and a pair of gas chambers 19.
Patent GB-561014-A (GB)
Title: Two-way clutch
IPC: F16D21/06
Filed: 1942-06-11
Abstract: 561,014. Friction clutches. THELANDER, W. V. June 11, 1942, No. 8003. [Class 80 (ii)] A pair of driven clutch plates 15, 16, mounted on a shaft 12 and sleeve 13 respectively, co-operate with a pressure plate 20 and a flywheel 10 and cover 11 thereof. Rods 29 fixed to the pressure plate 20 and slidable through holes 30 in the cover 11 carry plates 32, 33, pressed apart by preloaded springs 34, 35. Levers. 42, 43; pivoted at 45 to a lug 44 on the cover 11 have fingers 48 engaging flanges 40, 41, on the plates 32, 33, and are connected to a slidable manually controlled sleeve 55 by toggle links 49, 50: Movement of the sleeve 55 from the central position shown will produce engagement of either plate 15 or 16, the pressure being transmitted to the pressure plate through the springs 34, 35. In the extreme positions of the sleeve 55 a projection 56 thereon engages either the face 57 of the cover 11 or a ring 58 fixed to the lug 44, and the link 49 or 50, has just passed its radial position, so that the sleeve 55 is held in the extreme positions by the pressure of the springs 34, 35. In the disengaged position the pressure plate 20 is maintained in the central position by spring-pressed plungers 62 carried thereby, some of the plungers 62 engaging the face 23 of the cover 11 and others engaging the face 21 of the flywheel 10.
Patent GB-659113-A (GB)
Title: Improvements in or relating to carbon brush structures for use in dynamo electric machines
IPC: H01R43/12
Filed: 1949-03-25
Abstract: 659,113. Couplings. STACKPOLE CARBON CO. March 25, 1949, No. 8187. Convention date, March 30, 1948. [Class 38 (i)] A shunt wire is secured to a carbon brush 1 for dynamo-electric machinery by recessing the brush at 2, coating one wall of the recess with titanium hydride paste 7, placing on it some solder 8, and placing over the solder a metal member 4, the assembly being heated to decompose the hydride and melt the solder, thereby to secure the member 4 to the brush, and then welding or brazing the wire to the member preferably so that it projects from the recess through a slot 3. In one form the member 4 is a disc and the brush is heated in a furnace in an inert atmosphere preferably of dry hydrogen to a suitable temperature to decompose the titanium hydride and melt the solder without affecting the disc. In another embodiment, a hole 10 drilled in the brush 11 has its walls coated with the paste 12 and a pin 13 is inserted in the hole to rest on some solder 14 therein, the whole being heated to secure the pin to the brush and the wire then brazed or welded to the pin. The paste may comprise titanium hydride, water and a volatile solvent such as glycerine or alcohol, and the heating of the brush performed in vacuo.
Patent GB-632687-A (GB)
Title: Improvements in or relating to scrubbing brushes
IPC: A46B11/00
Filed: 1947-03-26
Abstract: 632,687. Soap holders. VERNALL, E W. March 26, 1947, No. 8213. [Class 131] [Also in Group XXIII] A brush for personal use has a rigid base and a removable, flexible brush head associated therewith, leaving a space between for the reception of soap and having one or more apertures through the head to allow the passage of water and suds. A preferred form, Figs. 2 and 3, has a circular base 10 of hard plastic or rubber with a flexible moulded brush head 11 formed by a convex element of rubber with integral prongs or bristles 12 on its outer convex surface. Apertures 14 disposed in concentric rings allow water access to space 13 for soap or soap powder. A vertical wall at the thickened edge 11a of the convex head, the outer periphery of which may be knurled 11d, has an annular lip 11c to engage and retain the base 10.
Patent GB-638727-A (GB)
Title: Improvements relating to yarn winding and like machines
IPC: B65H54/28
Filed: 1948-03-20
Abstract: 638,727. Winding yam. ARUNDEL, COULTHARD & CO., Ltd., and PILKINGTON, F. March 20, 1948, No. 8339. [Class 120 (ii)] In a yarn winding machine, in which the rate of turning of the traverse cam a is varied to prevent the production of pattern effects in the cheese &c. being wound, the cam a is driven by a lever b which at one end engages between lugs c on the side of the cam a, at its other end is engaged by a driving pin d on a gear wheel e and at an intermediate point is journalled upon an eccentric bush f revolved by a second gear wheel g, the wheels e, g being co-axial and driven by wheels h, i, from a shaft k, which rotates in unison with the cheese-driving drums, at slightly different speeds. The gear wheel e is preferably journalled on a concentric portion of the eccentric bush f.
Patent GB-165916-A (GB)
Title: Improvements in shape of inter-registering slots
IPC: F16K5/02
Filed: 1920-03-22
Abstract: 165,916. Muntz, W. E. March 22, 1920. Closure members.-In an arrangement for controlling fluid flow by means of one or more pairs of inter-registering slots or grooves, as erxemplified in Specifications 113,976 and 128,343, one slot of each pair is formed with an almost or entirely detached triangular portion. Fig. 1 shows the development of the closure surfaces of a mixing plug cock in which the rectangular and triangular portions 2, 3 of one of the slots in the casing, for one of the fluids, are entirely detached, the corresponding portions 4, 5 of the casing slot for the other fluid being also detached. The triangular portions 3, 5 are extended by surface grooves 6, 7 which taper in width and depth, as shown. The slot 8 in the hollow plug has an upper rectangular part and a lower triangular part, and the shaded part 9 represents the area of inter-registration. The two closure surfaces can be adjusted so that the slots are entirely out of register, or slot 8 may inter-register with the rectangular slots 4, 2, either alone or in conjunction with the triangular slots 3, 5 for passing a mixture of the two fluids in any proportion or a controlled quantity of either fluid separately. The edges of the slots and grooves may be chamfered.
Patent GB-550333-A (GB)
Title: Improvements in electric soldering irons and like heating irons
IPC: B23K3/03
Filed: 1941-07-03
Abstract: 550,333. Soldering irons. LEGG (INDUSTRIES), Ltd., B. J., and LEGG, B. J. July 3, 1941, No. 8395. [Class 39 (iii)] The copper bit A of a soldering iron is bored to receive a porcelain tube D containing a carbon or high resistance steel rod E which projects at its forward end into the bit. The rear end of the rod E is in contact with a steel rod F carrying an insulating block G pressed forward by a spring J. The rod F carries also a contact f co-operating with a contact m<SP>1</SP> on a rod M when a switch finger C is pressed forward against a spring P. The iron is used with a low-voltage supply. In Fig. 2, the forward end of the iron is similarly constructed but the current is derived from two fixed posts R, S. engaging respectively in a groove a<SP>2</SP> and in a recess t at the rear end of the rod F. The current is broken when the iron is lifted.