baber/WOPTO huggingface dataset:
Patent GB-816197-A (GB)
Title: Improvements in or relating to an image transforming apparatus
IPC: H01J31/64
Filed: 1957-10-11
Abstract: 816,197. Television. COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. Oct. 11, 1957 [Oct. 23, 1956], No. 31796/57. Class 40 (3). In a television system for connecting from one scanning standard to another and employing a " writing-reading " type of storage tube, of the induced conductivity type, spurious signals in the output signals of the tube (the " read " signals) due to cross-modulation between the " reading " and " writing " beams are eliminated by algebraic subtraction of signals derived from both the target electrode and from the collector electrode to form the desired output signals. This results in cancellation of the spurious signals since such signals occur on the target and collector electrodes with the same polarities whereas the desired output signals occur on these electrodes with opposite polarities. In the embodiment of the invention shown in Fig. 1, the target electrode 4, one side of which is scanned by a high-velocity beam (the " writing " beam) produced by the electron gun 2 and the other side of which is scanned by a comparatively low-velocity beam (the " reading " beam) produced by the electron gun 3, supplies a signal U1, the polarity of which is negative during the " writing periods and positive during the " reading" periods to a circuit 25 in which it is algebraically subtracted from the signal U2 derived from the collector electrode 5, and the polarity of which is negative during both the " reading " and " writing " periods. The output of the circuit 25 then consists of a signal proportional to the algebraic difference between the signals U2 and U1 which occur during the " reading " periods since such signals are of opposite sign and are added absolutely whereas the signals which occur during the " writing " periods, and which include the spurious signals, cancel out, since they are of the same polarity and are made to have equal amplitudes in the circuit 25 by adjustment of the parameters of the latter. Such a circuit may include a double-triode valve (Fig. 3, not shown), although pentodes, transistors and other types of adding and subtracting circuits may be employed. One application of the invention referred to is the reproduction of a television type display from the output signals of the tube when the input signals applied at terminal 27 are derived from a radar P.P.I. system.
Patent GB-882320-A (GB)
Title: Improvements in or relating to an aluminium bar for use in preparing alloys of aluminium and steel
IPC: B22D21/00
Filed: 1957-11-04
Abstract: 882,320. Metal bars. CLEVELAND ELECTRO METALS CO. Nov. 4, 1957 [Nov. 13, 1956; June 13, 1957], No. 31842/60. Divided out of 882,319. Class 20(2) An aluminium bar of dumb bell cross section for adding to molten metal has two convex rounded edges 25 which define the width of the bar joined by and merging into two faces 26 which define the thickness of the bar, the overall thickness of the bar being smaller than the overall width and at least one of said faces 26 having a concave or corrugated surface, or each face being constituted by two plane faces sloping inwardly and inclined relative to one another at an angle between 135 and 175 degrees so that the thickness of the bar at a position intermediate the edge portions of the bar is smaller than the thickness of the edge portions themselves, the bar having a weight per foot between 2À8 and 7 1bs. and a surface area greater than 25 sq. in. per lb. of aluminium. The subject-matter of the Specification is the same as that of Specification 882,319.
Patent GB-970944-A (GB)
Title: A yeast preparation
IPC: C12N1/04
Filed: 1961-09-05
Abstract: A yeast preparation comprising a homogeneous dispersion of fresh living yeast and dry powdered starch, in which said yeast comprises between 25 and 75% of the mixture ; the particles of said starch being substantially of the same order of size as the cells of said yeast ; said mixture being dehydrated ; after dehydration said mixture being in hygroscopic equilibrium with the atmosphere and said cells neither growing nor dying but existing in a state of suspended animation ; said dehydrated mixture being pressed into the form of tablets whereby division of the cells of said yeast is inhibited but the morphology and organoleptic properties of said yeast remain unchanged. Fresh yeast especially of 70% water content is mixed with dry powdered starch, dehydrated to a water content of say 10-20%, i.e. until the mixture is in hygroscopic equilibrium with the atmosphere, and compressed into tablets. Dehydration may be obtained by spreading the mixture out thinly on a support and aerating the mixture with air or an inert gas at a temperature between the ambient temperature and 35  DEG C. The yeast preparation is used pharmaceutically as a general tonic, a laxative and in the treatment of colitis and neuritonic colic.
Patent GB-872873-A (GB)
Title: Improvements in or relating to apparatus for the continuous production of sealed containers from tube stock
IPC: B65B9/12
Filed: 1957-10-14
Abstract: 872,873. Packaging ; making paper and like bags. HONNE, K. Oct. 14, 1957 [Oct. 15, 1956], No. 32014/57. Classes 94(1) and 94(2). Apparatus for making and filling a bag and sealing the mouth, comprises means to open the end of a flattened tubular web of the bag material for gripping by feed means which draw it towards a filling nozzle, the bag base being formed by heat sealing and cutting from the web and the bag mouth being heat sealed after filling. In one embodiment, the web 1 passes between guide rollers 2 which support an opening device 18 lying freely within the mouth of the tube. The device consists of plates of magnetic material 18 hinged at 19 at their lower ends and capable of being engaged through the tube by magnets 28<SP>1</SP>, the latter hinging apart the plates and opening the tube for gripping by the feed means 5. The feed means comprises pairs of arms 7<SP>1</SP>, 8<SP>1</SP> having tube engaging lips 7, 8. As the means 5 approaches the tube cam elements (not shown) cause the lips 7, 8 to separate and grip the tube edge, the means 5 then rising to draw the tube up to a filling nozzle 6. Combined cutting and sealing devices 30, 33 form the bag bottom and cut the web, the members 18, 28<SP>1</SP>, now in their inner position, preventing it from receding. After filling, a portion 6<SP>1</SP> of the nozzle is raised by a solenoid 25 to permit sealing jaws 30 to close the mouth, spring loaded elements 35 engaging the bag prior to the jaws to pull the mouth portions a small distance downwards to ensure that the seal is adjacent the upper edge of the bag. In other embodiments, the rollers 2 may be replaced by a table having a slot for the web. The bag may be opened by suction grippers or by arms having adhesive gripping surfaces.
Patent GB-1035462-A (GB)
Title: Derivatives of ª‡-thiocinnamyl penicillins
IPC: C07D499/00
Filed: 1964-08-06
Abstract: The invention relates to penicillins of general formula <FORM:1035462/C2/1> wherein R1 is C1- 4 alkyl, phenyl or phenylalkyl having less than 10 carbon atoms; and R2, R3 and R4 are the same or different and are hydrogen, nitro, amino, C1- 4 alkylamino, C1- 4 dialkylamino, C1- 4 alkanoylamino, C1- 4 alkyl, chlorine, bromine, iodine, C1- 4 alkoxy, hydroxy, sulphamyl, benzyl, cyclohexyl, phenyl or trifluoromethyl, and non-toxic salts thereof.  The penicillins are produced by reacting 6-amino-penicillanic acid with an acid chloride, acid bromide, anhydride or mixed anhydride derived from a carboxylic acid of formula <FORM:1035462/C2/2> wherein R1, R2, R3 and R4 have the meaning given above.  The salts may be sodium, potassium, calcium, aluminium, ammonium and substituted ammonium, e.g. triethylamine, procaine, dibenzylamine and N,N1-dibenzyl ethylene diamine.  A typical compound is a -methyl-thio-o-chloro-cinnamyl penicillin.
Patent GB-682089-A (GB)
Title: Improvements in the feeding of labels, sheets and the like
Inventor: ROSE ALFRED GERMAN
IPC: B65C9/14
Filed: 1949-12-14
Abstract: 682,089. Feeding sheets. ROSE BROS. (GAINSBOROUGH), Ltd. Dec. 12, 1950 [Dec. 14, 1949], No. 32067/49. Class 100 (i). Sheet-separators.-In apparatus for separating labels from a stack and delivering them at a label-applying station, the operative face of the transfer member for the labels is formed from or covered with polytetrafluorethylene. As shown, bottles 2 are fed to a conveyer 1 by a feed worm 3, each bottle being rolled across a gummed label on a transfer member 6 by a rotating pressure wheel 7. The member 6 is rotatably mounted on a vertical pillar 13, and has four heads 14 each having a suction chamber 16 to which suction is applied through a radial conduit 17 communicating with an annular port 18 in the pillar 13, the port 18 leading to an axial conduit 21 through a radial slot. Each head 14 has a suction face 22 of polytetrafluoroethylene having apertures 13 therein. This material may be applied to the head 14 in sheet form, or by dipping the head in the molten material, or by rubbing the material on the head. The transfer member 6 is intermittently rotated to carry each face 22 in succession first to a label stack 24, slidably mounted in a support for movement towards the face, to seize a label, then to a gumming station at which a layer of gum is applied to the label by a roller 27, and then to the labelling station. Specification 688,475 is referred to.
Patent GB-276870-A (GB)
Title: Improvements in safety attachments to elevators
IPC: B66B9/10
Filed: 1926-12-20
Abstract: 276,870. Johnson, S. J. Dec. 20, 1926. Endless belt elevators with platform carriers; wearing-blocks, guiding; stop mechanism actuated by loaded load-carrier.-In an elevator of the kind comprising a series of platforms for passengers mounted on an endless belt, trip mechanism is arranged between the top floor and head pulley and when engaged by a passing loaded platform stops the elevator. A vertically movable bar 58 connected by a chain 59 &c. to the slide 48 of the belt fork is normally prevented from moving downwards to stop the elevator by a pin 61 on a horizontally movable bar 62. The end of the bar 62 passes through a slot in the guide 6 and extends into the path of the upgoing wearing plates 28 of the platforms 17. The bar 62 is pulled towards the guide by a spring 65 which is of sufficient strength to prevent the movement of the bar by a platform carrying no load. If a passenger does not alight at the top floor, when the plate 28 encounters the bar 62, the pin 61 will be withdrawn from the notch 60, and the bar 58 will descend, thereby stopping the elevator. The descent of the bar causes also the application of a brake to a drum 69 on the shaft 33 and prevents the movement of the elevator by the weight of the passengers on the descending side. When the bar is in its lowest position the pin 61 engages a notch 78 and prevents the raising of the bar by a pull on the line 53 provided for stopping the elevator. The stop device is reset by pushing back the bar 62 and lifting the bar 58 by the hand grip 79. The platforms 17 are pivoted on studs 24<1> at the ends of a bar riveted to the belt 16, and carry rollers which run on the guides 6.
Patent GB-1071534-A (GB)
Title: False twist spindle
Inventor: BOUTONNET ALEXANDRE
IPC: D02G1/06
Filed: 1965-07-28
Abstract: 1,071,534. False-twist spindle. SOC. RHODIACETA. July 28, 1965 [Aug. 14, 1964], No. 32285/65. Heading D1D. A tubular false-twist spindle has at least one transverse bar about which the filament passes to arrest the twist, the bar having, in its zone of contact with the filament, a non-circular cross-section which is elongated parallel to the spindle axis and whose periphery has at least one region of pronounced curvature, i.e. so that the filament undergoes a sudden change of direction. The bar may be elliptical with or without a central groove for positioning the filament and with or without sharp edges at the ends of the major axis of the eliptical crosssection. It may be diabolo-shaped, or when two bars are used, they may be semi-eliptical in cross section and arranged at right angles.
Patent GB-758307-A (GB)
Title: Improvements in means for distributing discrete material in ships' holds and the like
IPC: B63B27/22
Filed: 1954-11-09
Abstract: 758,307. Pneumatic conveyers. KUTTNER, W. L., COLLINS, G., THOMPSON, T. A., and SMITH, V. J. Nov. 9, 1954 [Nov. 24, 1953], No. 32349/54. Class 78 (1). In apparatus for distributing powdered, crystalline or granular materials, e.g. seeds, grain, fertilizers and insecticides, in ships' holds and other confined spaces, the material falls from a hopper 20 on to a jet of air issuing from a nozzle 26 at the end of a tunnel 10 and directed over a pivoted plate 19. The tunnel is suspended from a ships' derrick, or other overhead support, and contains a motor-driven fan 24. The tunnel has a bell-mouth 11, a cylindrical portion 17 and a flat frusto-conical portion 18 terminating in the nozzle 26. An anchor 15 carried by a telescopic rod 14 is mounted in a bracket 16 on the tunnel and is inserted in the material already distributed. Adjustable members 27 controlled by a handle 28 can be placed at an angle to the air stream to cause the apparatus to turn about the axis of the anchor and thus change the direction of the distribution of the material. The hopper 20 is adjustably connected to slotted arms 29 mounted on the tunnel. The tunnel carries brackets 33 in which the plate 19 is mounted by pivots 34. This plate is suspended from the hopper by chains 35 which are adjustable to allow the plate to take up different positions. Side members 32 confine the material. The rear wall 21 of the hopper may be provided with an adjustable rear deflector plate 31 to induce air flow around the nozzle 26.
Patent GB-415084-A (GB)
Title: Improvements in or relating to electric switches of the quick-make and quick-break type
IPC: H01H5/18
Filed: 1932-11-17
Abstract: 415,084. Snap -action switches. CRABTREE, J. A., Endwood, Little Aston Park, Sutton Coldfield, and HARRISON, B. G., Ambleside, Birmingham Road, Walsall. Nov. 17, 1932, No. 32496. [Class 38 (v).] A snap-action switch comprises a simple bowed spring strip a anchored at its ends and having a contact a<1> mounted on it relatively adjacent to one anchorage c. An operating force is applied to the strip at a point relatively adjacent the other anchorage d as shown by the arrow e, causing the spring strip to snap across its dead position and cause the contact a<1> to engage a fixed contact b. The operating force may be applied by a tumbler lever or a thermally sensitive element.
Patent GB-1487646-A (GB)
Title: Beach erosion control structure
IPC: E02B3/06
Filed: 1975-08-04
Abstract: 1487646 Erosion control wall SANDGRABBER Inc 4 Aug 1975 [5 Aug 1974] 32513/75 Heading E1H [Also in Division F2] An erosion control wall W extending along a shoreline comprises a plurality of parallel rows of blocks 10 arranged end to end, each of the blocks having spaced top 12 and bottom 14 panels joined by partitions 16 spaced to form seaward facing horizontal openings 18 between the panels. The partitions of each block in a row are staggered with respect to the partitions of blocks in the adjacent row.
Patent GB-661556-A (GB)
Title: Improvements relating to extrusion heads of apparatus for extruding plasticised rubber and like masses
IPC: B29C48/09
Filed: 1949-12-19
Abstract: 661,556. Extruding rubber. PIRELLI SOC PER AZIONI. Dec. 19, 1949 [Jan. 14, 1949], No. 32547/49. Class 87(ii) An extrusion head for channel section products of non-uniform thickness has a tapering deflector 7 disposed in the throughway to deflect the flow of material to the narrower parts of the orifice 9 and restrict the flow towards the wider parts to cause the speed of extrusion to be the same at all parts of the orifice. As shown, the invention is applied to the extrusion of pneumatic tyre treads, the die plate 8, having an arcuate orifice 9. The guide surface for the extruded material is provided by an ogival member 7, fixed by bolts (not shown), to the die plate 8. The die plate and member 7 are adjustable by means of nuts 10 and are held against displacement by a screw-threaded securing ring 6 provided with a buttress 14. A heating fluid may be circulated in the cavities 3.
Patent GB-567635-A (GB)
Title: Improvements in steering mechanisms for track-laying vehicles
IPC: B62D11/10
Filed: 1939-12-20
Abstract: 567,635. Differential gearing. MERRITT, H. E. Dec. 20, 1939, No. 32554. [Class 80 (ii)] [Also in Group XXXI] Steering mechanism for endless-track vehicles comprises the combination with a change-speed gear of a differential gear b<3> driven with or by the primary shaft b of the change-speed gear, two similar epicyclic trains G, H geared to the secondary change-speed shaft c and the differential shafts b<6>, b whereby the speeds of the final driven members g<1>, h<1> are the resultants of the speeds of the corresponding differential shafts and of the secondary shaft and means for varying the relative speeds of the differential shafts. In the construction shown in Fig. 1 the shaft a, driven from one or more power sources, drives the primary change-speed shaft b connected by any of the gear trains 1-5 to the secondary shaft c which carries at its ends the toothed annuli g, h of the epicyclic trains G, H. The planet carriers of these trains are fixed to the final drive members g<1>, h<1> which drive the track sprockets (not shown) and the sun pinions are connected by pinions g<5> b and h <5>, b to differential shafts b<6>, b7 of the differential gear b<3> driven by the primary shaft b. The speed of the shaft g<1>, h<1> is thus equal to the difference between the speed due to the shaft c and that due to the differential shafts. If the idler wheels g<5>, h<5> are omitted the resultant speed would be due to the sum of the speeds of the shafts c and the differential shafts. If the shaft c is locked by sliding a gear c<5> into engagement with a fixed clutch f the final shafts are driven through the differential shafts in the reverse direction. In order to steer the vehicle the speed of one of the differential shafts is varied relatively to the other, e.g. by applying a brake g<7> or h<7> to one of the sun wheels g<3>, h<3>; this reduces the speed of one of the final drive shafts and speeds up the other. Modifications are described in which (1) the relative speeds of the differential shafts are controlled by electric or hydraulic motors acting either solely as brakes or coupled together so that the power absorbed in one motor in braking is transmitted to the other to speed up the corresponding differential shaft, (2) the differential shafts are driven by separate motors, the primary shaft b of the change-speed gear being consequently driven by these two motors, and (3) the change-speed gear shafts are arranged perpendicular to the final drive shafts, and drive the epicyclic gears through a bevel reversing gear.
Patent GB-154469-A (GB)
Title: Improvements in or relating to loading apparatus for coal and the like
IPC: B65G31/00
Filed: 1919-12-29
Abstract: 154,469. Foss, S. O. Dec. 29, 1919. Trimming and spreading apparatus.-A hopper placed centrally over the hold of a ship is provided with a hand-adjusted swivelling outlet. Coal &c. from a loading-shoot R feeds the material into a hopper a provided with a swivelling outlet channel b containing a wheel c rotated by a motor for ejecting the material. The outlet channel is directed as required by a handle.
Patent GB-624078-A (GB)
Title: Improvements in the process of manufacture of light metal radiators
IPC: B21D53/06
Filed: 1945-12-03
Abstract: 624,078. Making radiators. SOC. ANON. DES USINES CHAUSSON. Dec. 3, 1945, No. 32678. Convention date, April 9, 1943. [Classes 83 (ii) and 83 (iv)] Soldering.-Radiators for aircraft engines &c. such as honeycomb radiators of light metals, e.g. aluminium or aluminium-magnesium alloys, are made by assembling a number of tubes into a matrix, brazing them together, mounting and brazing the matrix within one or more band members to form a unit and assembling one or more units to form the radiator. Brazing may be carried out by an ethyleneoxygen blow-pipe and a flux-coated brazing rod of an alloy of aluminium with 10 per cent of silicon. The first brazing operation may be effected at a temperature between 200‹ and 300‹ C. so as to avoid reducing the strength of the aluminium and the second operation in the region of 150‹ C. The tubes which may have hexagonal ends are placed in a support to form a circular or rectangular matrix and are brazed from the bottom upwards, the matrix being rotated 90 degrees after one set of joints is brazed in order to position it for the remaining joints. The matrix is then placed in a light metal sleeve a, Fig. 1A, and brazed thereto, gaps c, Fig. 1, between the tubes and sleeve being filled with brazing material. The joints are then tested, preferably by immersing in water and subjecting to compressed air and making, if any, air bubbles escape. Any leaks are then stopped. The ends of the sleeve are then cut-off at A and the parts d, e, removed, leaving the unit consisting of the matrix brazed into the bands b. One or more units then have their bands brazed at about 200‹ C. to the ends of the tank 2. When the radiator is formed with supporting walls 3, the bands may be brazed thereto.