baber/WOPTO huggingface dataset:
Patent GB-377067-A (GB)
Title: Thermionic valve oscillator systems
IPC: H03B5/18
Filed: 1931-11-27
Abstract: 377,067. Valve generating circuits. WIRED RADIO, Inc., 60, Broad.way, New York, U.S.A.-(Assignees of Dow, J. B. ; 37, Oakridge Boulevard, Oakcrest, Alexandria, Virginia, U.S.A.) Nov. 27, 1931, No. 32936. Convention date, July 3. [Class 40 (v).] A tetrode valve oscillator employs three electrodes for the generation of oscillations, and the fourth electrode, which is connected to an output or load circuit, is shielded electrostatically from the other electrodes by earthing, so far as high-frequency is concerned, the adjacent generating electrode. In the form shown in Fig. 1, the inner grid 2 is connected to one end of a coil 8 which may be of tubular or like form, through a condenser 6 shunted by a leak 7. The outer grid is connected through a large condenser 12 to the opposite earthed end of the coil, which is tuned by a condenser 9. The filament cathode 3 carries an oscillatory voltage, and is energized from a battery 13 through a circuit which comprises one-half of the inductance tube 8 and a return wire 14 enclosed by the tube. The anode 5 is connected to the H.T. battery 13a through an output resonant circuit 20 or other impedance, from which voltages may be taken off between the point 21 and earth 22. The tubular coil may be replaced by a wire coil, and the filament current may be returned through a second wire. The earth connection may be made at a point between two blocking condensers shunted across the filament supply source 13, Fig. 2 (not shown). In a modification shown in Fig. 3, the tuned circuit 29, 30 is connected between the cathode 3 and the earthed outer grid 4, and the inner grid circuit includes the grid leak and condenser 6, 7 and a coil 31 coupled to the main tubular coil 29. In Fig. 4, filament current is supplied through choke coils 34, 35, and the tuned circuit includes a split capacity 36 having its middle plate connected to the cathode, one side plate connected to the control grid 2, and the other connected to earth through the grid leak 7 and large condenser 6. The cathode supply 13 is earthed, and the outer grid 4 is effectively earthed through a condenser 12. The circuit arrangements are found to give very slight alterations of frequency when conditions vary in the load circuit, or when the voltage of the source 13a is varied. The load circuit 20 may be tuned to an harmonic of the fundamental frequency.
Patent GB-925933-A (GB)
Title: Device for gas-chromatography
IPC: G01N30/78
Filed: 1960-09-27
Abstract: <PICT:0925933/III/1> A device for gas chromatography using a capillary column comprises a pair of connections for said column, one of which is connected to a carrier gas line provided with a vent line having a throttle valve therein and the other of which is connected to a measuring element.  Preferably the vent line is removable and can be replaced by a connecting line for a packed column in place of the capillary column.  As illustrated, carrier gas enters through line 1 and passes to capillary column connection 2.  The valved vent line is shown at 3 and the packed column at 13.  After passage through the capillary column the gas stream enters connection 5 and is passed into a stream of hydrogen or other combustible gas entering through line 7 and reduced in velocity by resistance coil 11.  The mixed gases are burned in an ionisation chamber having ignition coil 12 and grid 10 and thereafter removed through outlet 16.  The chamber is kept above atmospheric pressure by means of compressed air line 17.  The ionisation current flowing between grid 10 and burner 8 (between which a potential of 200 v. is maintained) is a function of the gas in the chamber.  A tube 14 to the lower part of which the outlet of the alternative packed column can be attached, is provided with a branch 18 for connection to a second form of detector such as a heat conductivity cell, and a resistance coil 17 which determines the ratio of the flows through lines 14 and 18.  By using both detectors, it is possible to measure simultaneously trace gases and chief components or organic components (e.g., CH4 and C2H5, with the ionisation detector) and inorganic components (e.g., N2 and O2). Specification 834,390 is referred to.
Patent GB-872438-A (GB)
Title: Heat rupturable core-containing capsules
IPC: C09J7/35
Filed: 1959-10-01
Abstract: Micro- or macroscopic heat-rupturable capsules with a water-insoluble or water-immersible core have included in their walls and/or core a solid material which decomposes into a gas when heated above a given temperature and which is inert with respect to the wall and core materials.  Specified materials of this type are p,p1 - oxybis - (benzenesulphonyl - hydrazide); azodicarbonamide and dinitrosopentamethylene tetramine.  The disclosed techniques (in which chlorinated diphenyl is encapsulated) are: (a) the core material is dispersed in an aqueous medium containing a hydrophilic colloid, e.g. gelatin, gelatin complexes with hydrophillic colloids such as gum arabic, protein film-forming proteins, e.g. zein, synthetic film-forming substances, e.g. polymers of styrene or divinyl benzene, polyethylenemalic anhydride copolymer or its vinyl analogue which is induced to coacervate, e.g. by alteration of pH and thus form a wall around the dispersed core material which may subsequently be hardened and (b) by the method disclosed in Specification 867,797, whereby a similarly dispersed monomeric material is induced to polymerize on the surface of the dispersed core material.  Multiple walled capsules including those having walls of both of the above types may also be prepared.  In all cases, the gas-forming substance is introduced into the core and/or wall material and dispersed therein or therewith before formation of the capsules.  Typical core materials or components specified are: evaporable solvents or fuels, e.g. toluene, xylene, kerosene and other light petroleum fractions; Vitamin A oils, essential oils, vegetable oils, volatile synthetic oils, e.g. methyl salicylate, adhesives which are naturally tacky or are made so by solvents or plasticizers, greases, hard oils, oil-based medicinal preparations, dyes, solid or in solution, e.g. Sudan III, crystal violet lactone, benzoyl-leuco-methylene blue, carbon black, magnetic iron oxide, and aspirin.  Specification 751,600 also is referred to.
Patent GB-924683-A (GB)
Title: Pipe bending machine
IPC: B21D7/024
Filed: 1959-10-01
Abstract: 924,683. Tube benders. H. G. BRAGD. Oct. 1, 1959 [Oct. 2, 1958], No. 33310/59. Class 83 (4). A tube-bending machine includes a rotatable bending head carrying jaws which clamp the tube and a former around which the tube is bent arranged so that the bending process begins where the tube intersects the axis of rotation of the bending head, and a mandrel, from which the tube is withdrawn during bending, the mandrel being swingably mounted. A tube to be bent is pushed on to a mandrel 12A until it contacts a relevant end stop 44 carried by a mandrel support 12 swingably mounted on an extension 13 of the machine base. A pedal 40 is then depressed to clutch a driving motor to a shaft 15 of a bending head 11. The shaft 15 is formed at its upper end with a disc 14 to which are secured a cam ring 17 and a central cam 20. A ring 21 rotatable on the disc 14 carries a rail 22 on which are slidably mounted jaws 23, 24, the jaw 23 having depending therefrom a roller 29 engaging the cam ring 17 and a roller 31 engaging the cam 20 and the jaw 24 having similar rollers 30, 32. As the disc 14 and thus the cam ring 17 rotate the rollers 29, 30 are moved inwardly to clamp the jaws 23, 24 on to the tube to be bent. Stops 18<SP>1</SP>A, 19A on the cam ring 17 then engage the rollers 29, 30 so that the jaws 23, 24 are rotated with the disc 14 to commence the bending, the tube being withdrawn from the mandrel 12A and bent around a grooved section 45 of an off-centre forming disc 25 or 26 adjacent the jaw 23 or 24, the mandrel 12A swinging about the pivot of its holder 12 as bending proceeds and the actual point where the bending takes place moves away from the axis of rotation of the bending head 11. The swinging of the mandrel 12A is limited by abutments 46, 47 on the jaws co-operating with abutments 48, 49 on the mandrel holder 12. An abutment (not shown) on the bending head 11, hits pins 42 mounted in pneumatic cylinders on a ring 43 to turn the ring 43 slightly to disconnect the drive from the motor to the shaft 15 and thus stop the bending. The direction of rotation of the motor is simultaneously reversed. When the pedal 40 is released, the shaft 15 is again connected to the motor, the jaws 23, 24 are turned to their original position and the engagement of the cam 20 with the rollers 31, 32 moving the jaws apart to release the tube. The setting of the particular pin 42 to determine the angle of bend and the direction of rotation of the motor are determined by cams in a control device operating switches and compressed-air valves. The jaws 23, 24 are centered at the beginning of the bending relative to the mandrel holder 12 by rollers (not shown) on the jaws co-operating with cam surfaces on the mandrel holder 12.
Patent GB-154224-A (GB)
Title: Improvements in or relating to sowing or distributing machines for seeds, grain and the like
IPC: A01C7/04
Filed: 1920-11-25
Abstract: 154,224. Udvary, F., and Lesser, F. Nov. 22, 1919, [Convention date]. Seed-distributors.-In a machine for distributing grain, seeds, &c., the seeds are taken from a receptacle one at a time by one or more grippers each consisting of two fiat-sided jaws or blades pivoted together like a pair of scissors. The arm 6 of the jaw 1 is rigidly connected to a frame 4, and the arm 7 of the jaw 2 is normally held against a stop 9 on an elastic arm 8 by a spring 5. The frame 4 is mounted on links 14 and is actuated by link and lever mechanism 16. 17, 18 and a crank 19 on a shaft driven from a travelling wheel. At one end of the stroke the gripper enters the receptacle 10 and the arm 8 strikes against a stop 11 and thus releases the arm 7 and allows the jaw 1 to close on a seed. At the other end of the stroke, the arm 7 strikes a projection 12 outside the receptacle and releases the seed. The strength of the spring 5 is such that the seeds are not crushed. The mechanism may be driven by a motor, and means may be provided for making furrows in the ground.
Patent GB-1022971-A (GB)
Title: Fabrics
Inventor: CHAPMAN ROY
IPC: D03D15/00
Filed: 1962-08-30
Abstract: A process for making a fabric having an open-mesh construction comprises knitting or weaving a fabric from synthetic polyester or polypropylene yarn, capable of being irreversibly elongated at least 1.75 times its length, and drawing the fabric uniformly over substantially the whole area of the fabric at least 1.75 times, in at least one direction.  The fabric may also be drawn at least 1.75 times in a second direction preferably at right angles to the first. The yarn preferably has a birefringence in the range 2 x 10-3 to 20 x 10-3 and the fabric may be subjected to a heat setting operation to impart dimensional stability and/or a dyeing process whereby multi-tone effects are given by a single dye-bath.
Patent GB-175772-A (GB)
Title: Improvements relating to coin slots
IPC: G07F1/02
Filed: 1920-11-26
Abstract: 175,772. Villiers, P. G. T. de., and Jenkins, A. Rogers-. Nov. 26,1920. Hiring telephones; facilitating insertion of coins; preventing simultaneous insertion of coins of different values.-In coin-freed machines such as. telephone call boxes having several slots adapted to receive coins of different denominations means are provided to prevent the simultaneous insertion of the coins and to facilitate the insertion of coins in the slots. Secured to the top 1, Fig. 1, of a telephone pay box having coin-slots 2, 3, 4 is a casting 5 having tablets 6 behind the slots on which are marked the values of the coins, the casting being formed in front of each slot with a flaring channel 7 for guiding the coin, slid on edge along the surface 1, into its slot. A runway 8. Fig. II, in which plates 9, 9<a> are free to slide is arranged beneath the slots, the plates, outward movement of which is limited by stops 10, being provided with projecting arms 11 by which they make contact with each other. The plates are of such a length that only one slot at a time is fully open, a coin during its insertion moving the plates to cover partly the other slots.
Patent GB-773585-A (GB)
Title: Improvements in or relating to magnetic deflecting systems for cathode ray tubes
Inventor: BULL CABOT SEATON
IPC: H01J29/76
Filed: 1953-12-02
Abstract: 773,585. Electron beam deflecting apparatus. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Nov. 26, 1954 [Dec. 2, 1953], No. 33434/53. Class 39(1). The external magnetic field of the line deflecting coils of a cathode ray receiver is eliminated by means of a non-magnetic metallic screen 4 of box shape having sides 5, 6 extending close to line deflecting coils 2, 3, the frame deflecting coils being substantially unscreened since they face the two open ends of the screen 4. The line deflecting coils 2, 3 and frame deflecting coils (not shown) are wound on respective sides of square sectioned magnetic yoke 1. Screen 4 is of non-magnetic material, e.g. Al or Cu and has a thickness greater than or equal to the skin depth at the line deflection frequency and has apertures 9, 10 for the tube neck. The screen 4 is stated to cancel the outer field of line deflection coils 2, 3 and concentrate the field of the coils across the tube neck. To avoid corner shadow the aperture 9 or 10 nearer the screen of the tube can be large enough to take a small portion of the tube cone. The invention can also be applied to a saddle coil deflection system. In this case the square sectioned magnetic yoke can be constructed of plates of ferrocube, the yoke being disposed outside the coils but inside the screen 4 which is of the same form as in the first embodiment.
Patent GB-1169044-A (GB)
Title: Improvements in or relating to Lapping Machines
IPC: B24B37/10
Filed: 1967-07-20
Abstract: 1,169,044. Lapping. SPEEDFAM CORP. 20 July, 1967 [25 Nov., 1966], No. 33512/67. Heading B3D. The work retaining rings on the horizontal surface of a rotating planar lapping disc are rotatably supported by a carrier ring adjacent the outer periphery of the lapping disc, the carrier ring being selectively rotatable about the disc axis, and having means thereon, to allow the retaining rings to move about the axis of the lapping disc but not to rotate with the disc. A lapping machine comprises a framework with a tubular housing 12 providing support for a horizontal lapping disc 14 having a central well-bore 16 and radial slots 20 for conveying a mixture of abrasive and an oil carrier. The lapping disc is rotated by drive means mounted within the housing 12. Resting on the lapping surface are truing rings 22 confining therein workpieces 24. Weight plates may be placed on the workpieces. The rings are located by a central idler wheel 26 and by roller stops 32 mounted on a carrier ring 28. The latter is rotatably supported by idler rolls 34 mounted on the housing 12, and its outer periphery has a groove across which extend circumferentially spaced axial pins 38 with which meshes a pinion 46 driven through a speed reducer 44 by an electric motor (42) supported by a vertical plate 40 mounted on the housing 12. A micro-switch 48 mounted on the plate 40 co-operates with trip lugs 52 secured to the carrier ring 28 During lapping, the lapping disc 14 is rotated and the motor (42) is energized to rotate slowly the carrier ring 28 in the direction of rotation of the lapping disc 14. When the ring 28 has rotated through 90 degrees one of the trip lugs 52 actuates the microswitch 48 to interrupt rotation of the lapping disc 14 and carrier ring 28; after a short dwell, e.g. controlled by a timer, the lapping ring and carrier ring are again rorotated. The carrier ring is thus indexed through 90 degrees, this being effected in approximately one-quarter or less of the time required to lap the workpieces, so that as each ring 22 progresses 360 degrees around the lapping disc the workpieces therein are completely lapped. During the dwell, an operator at a given position, e.g. adjacent the control box 54, unloads lapped workpieces from a ring 22 which has arrived at that position, and loads fresh workpieces into the ring. Progression of the rings 22 through each 90- degree stage may be continuous or intermittent. The rings 22 may be moved continuously by inactivating the micro-switch 48, unloading and loading being carried out while the lapping disc and carrier ring are rotating. The carrier ring may be rotated in opposite direction to the lapping disc.
Patent GB-1150415-A (GB)
Title: A Process for the Manufacture of Benzdiaz[1,4]Epine Derivatives from Dibenzo[b,f][1,5]Diazocines and Certain Novel Dibenzo[b,f][1,5]Diazocinium Salts Useful therein
IPC: C07D245/04
Filed: 1966-07-26
Abstract: 1,150,415. Dibenzodiazocine and benzodiazepine derivatives. F. HOFFMANN-LA ROCHE & CO. A.G. 26 July, 1966 [9 Aug., 1965], No. 33535/66. Heading C2C. Compounds of the general formula (R<SP>1,2,3</SP>=halogen, CF 3 , NO 2 , CN, C 1-7  alkyl, C 1-7  alkoxy, C 1-7  alkylthio, C 1-7  alkylsulphinyl or C 1-7  alkylsulphonyl, R<SP>4</SP>=benzyl or C 1-7  alkyl, R<SP>5</SP>=C 1-7  alkyl and the broken lines denote optional substituents) are prepared by treating a compound of the formula with a quaternizing agent in which the labile group is a C 1-7  alkyl or benzyl group and reacting the resulting monoquatemary ammonium salt of the formula (R<SP>40</SP>=C 1-7  alkyl or benzyl and X-=anion) or the resulting diquaternary ammonium salt of the formula with a compound of the formula (R<SP>6</SP>=OH, NH 2 , C 1-7  alkoxy, or aryloxy) or salt thereof. The preparation of 2,8-dichloro-6,12-diphenyldibenzo [b,f][1,5] diazocine is described.
Patent GB-1236638-A (GB)
Title: Aromatic sulphonamidocarboxylic acids and the use of their salts as corrosion protection and metal-working agents
IPC: C10M173/02
Filed: 1968-07-15
Abstract: 1,236,638. Nitro-aromatic sulphonamido carboxylic acids. FARBWERKE HOECHST A.G. 15 July, 1968 [15 July, 1967], No. 33577/68. Heading C2C. [Also in Division C5] The invention comprises compounds of the formula wherein R 1  and R 2  each denote hydrogen, fluorine, chlorine, bromine, an alkyl C 1-4  or alkoxy C 1-4  residue, wherein the sum of the carbon atoms of the residues R 1  and R 2  does not exceed the number 7, Ar denotes a benzene or naphthalene residue, R 3  denotes hydrogen, an alkyl residue having not more than 4 carbon atoms, the #-cyanoethyl residue or a hydroxyalkyl C 2-4  residue, R 4  denotes an alkylene C 3-15  residue which may be substituted by one or more methyl or ethyl groups and both m and n are 1 or 2. They are prepared by reacting (NO 2 ) m (R 1 )(R 2 )-Ar-SO 2 Cl with n.R 3 NH.R 4 .- COOH in the presence of an acid binding agent, and, if desired, the acids may be converted into salts by reaction with inorganic or organic bases, e.g. alkalis or primary, secondary and tertiary aliphatic amines, diamines, alkanolamines or heterocyclic bases, e.g. morpholine, pyridine and quinoline. Specified compounds include m-nitrobenzene sulphonyl-γ-aminobutyric acid, m-nitrobenzene sulphonyl-N-methyl-, o-nitrobenzene sulphonyl-N-methyl (or ethyl)- #-aminocaproic acid, 4-methoxy-2-nitrobenzenesulphonyl-#-aminocaproic acid and 3,5-dinitro- 4 - chlorobenzenesulphonyl - N - methyl - # - aminocaproic acid and their triethanolammonium salts, 1 - nitronaphthalenesulphonyl - # - aminocaproic acid, 4-fluoro-2-nitrobenzenesulphonyl - # - aminocaproic acid, m - nitrobenzenesulphonyl - N - # - cyanoethyl - # - aminocaproic acid and m - nitrobenzenesulphonyl - N - # - hydroxyethyl - # - aminocaproic acid. The salts of the acids are used as anticorrosive lubricants in the metal-working or iron and iron alloys.
Patent GB-1218784-A (GB)
Title: Cardboard package of orthogonal prismatic shape
IPC: B65D5/54
Filed: 1968-07-15
Abstract: 1,218,784. Cartons. SUOMEN OSUUSKAUPPOJEN KESKUSKUNTA. 15 July, 1968 [14 July, 1967], No. 33605/68. Heading B8P. A carton, erected from a blank, has a tearstrip 2 defined by lines of weakening 3, 4 on the inner and outer surfaces of the carton and a slot 5 formed in the side adjacent the side with a glued joint 1 and having an edge spaced from the common edge of these two sides. A tab 6 is formed to facilitate removal of the tearstrip 2.
Patent GB-1164977-A (GB)
Title: Multi-Stand Universal Rolling Mills and Methods of Operating Such Mills.
Inventor: BINDERNAGEL ALI
IPC: B21B27/02
Filed: 1968-07-15
Abstract: 1,164,977. Rolling. KOCKS-WERMELSKIRCHEN G.m.b.H. 15 July, 1968, No. 33667/68. Heading B3M. A multi-stand universal rolling mill, suitable for finish-rolling wire, incorporates composite rolls of equal nominal diameter each of which has a tough core 1 on which an abrasion resistant grooved ring 5 or 6 is held by a plate 8. The inner diameter of the ring 5 (and the corresponding outer core diameter) is smaller than that of the ring 6. When the ring 5 becomes worn therefore, it is expanded until it will fit on to a larger core, and its periphery is machined to its original nominal diameter.
Patent GB-326530-A (GB)
Title: Improvements in bobbin strippers
IPC: B65H73/00
Filed: 1928-11-16
Abstract: 326,530. Terrell, E. A. Nov. 16, 1928. Bobbins, stripping waste from. - In bobbinstripping machines of the type having stripper blades and means for producing relative movement between the strippers and the bobbin, and also a bobbin shoot having an arch-shaped delivery portion 4, Fig. 4, from which the bobbin is delivered in a horizontally extended position with the bobbin length extended lengthwise of the direction of movement, a segmental rack 35 is provided in connection with the arc-shaped portion, the teeth of the rack being in the path of the bobbin tip and adapted to overturn a descending bobbin progressively into the horizontal position for stripping. The rack is adjustable to the length of the bobbin by means of a flange 351 projecting into a slot 352 and is secured in position by a fixing bolt 353. A guard 11 is hinged at 111 and yieldingly held in position by a spring 113 against a stop 115 engaged by an adjustable screw 116, so that it can be adjusted to different sizes of bobbin heads and will yield in case a bobbin is forced against it. Means for delivery of the bobbin from the shoot to the rest 7, Fig. 2, for engagement with the stripper blades 5, 6 and for moving the bobbin longitudinally by means of the grippers 9 are described in Specifications 326,810 and 326,811. Means for the closing and opening of the stripper blades are described in Specification 325,497.
Patent GB-779320-A (GB)
Title: Improvements relating to bag-tying machines
IPC: B65B67/06
Filed: 1955-11-25
Abstract: 779,320. Packaging. LEIGHTON, C. R., and BUCK, J. W. Nov. 25, 1955 [Dec. 9, 1954], No. 33819/55. Class 94(1). [Also in Group XV] A bag tying device wraps a length 5 of adhesive tape about the gathered bag top, the tape being fed from a roll 24 round a wheel 25 having notches 26 into which the bag top is introduced, movement of the wheel folding the tape prior to its being cut by a stationary knife 42. The wheel 25 is mounted on an arm 29 pivoted at 30 and is spring biased towards a tape free end holding spring member 47 which retains the tape across one of the notches 26. The wheel 25 has an internal cam surface with indexing notches 36 engageable by a roller 37. The bag top is twisted and thrust into a passage 31 in the frame and into the tape covered notch 26. It passes along the frame passage peeling the tape free end from the member 47 and wrapping it round itself. During this movement, the roller 37 has cleared the indexing notch, causing the wheel 25 to be moved away from the member 47. Finally the tied bag top enters a part 39 of the passage, the tape having been cut against the knife 42 and the bag is withdrawn downwards. The roller 37 has then entered another indexing notch 36 and the free end of the tape has been laid on the member 47.