baber/WOPTO huggingface dataset:
Patent GB-398117-A (GB)
Title: Improvements in or relating to stamping apparatus for the manufacture of paper bags and like articles
IPC: B31B3/00
Filed: 1933-03-20
Abstract: 398,117. Making paper &c. bags. COMPAGNIE DE SIGNAUX ET D'ENTREPRISES ELECTRIQUES, 6, Rue Caroline, Paris. March 20, 1933, No. 8429. Convention date, March 19, 1932. [Class 94 (ii).] An extensible mandrel for forming paper &c. bags &c. by stamping, is characterized in that it comprises at its extremity blocks which near the completion of the formation of the bags automatically spread out towards the exterior so as to produce at the bottom of the sides of the bag a powerful flattening of the triangular folds which normally exist towards the bottom of the bag, and at the same time, a slight pressing out of the bag towards the exterior. The mandrels 5, reciprocated by levers engaging the pins 7 form bags in the shaping cells 2 carried by a drum each cell containing also an ejecting piston (not shown). Near the completion of the bag the movable base 12 of the mandrel 5 contacts with the ejecting piston in the cell and is depressed against spring action 19.. A conical portion 20, carried by the rod 14 on which the base 12 is fixed, then operates to force apart two blocks 8, attached to spring blades 10 and hinged at 9 to the mandrel body. The movement of the base 12 is controlled by projecting tongues which slide in grooves 18 in the mandrel body and stops 12B on the base 12 limit the movement of the blocks 8.
Patent GB-605707-A (GB)
Title: Improvements in or relating to the manufacture of copper catalysts and their use for hydrogenating organic substances
IPC: C07C29/141
Filed: 1945-04-05
Abstract: <PICT:0605707/III/1> In the production of copper catalysts by passing hydrogen over copper oxide, a thermal exchange is effected over a large surface between the copper oxide and water or other liquid of high specific heat, the pressure over the water &c. being adjusted so that it boils at the required catalyst-producing temperature which does not exceed 150 DEG  C., and hydrogen is passed over the copper oxide in admixture with a progressively diminishing proportion of inert gas.  In employing the catalyst for the vapour-phase hydrogenation of organic compounds, the same thermal exchange system may be employed, the pressure over the water &c. being adjusted so that it boils at the required hydrogenation temperature.  As shown, tubes A, A1 &c. are charged with copper oxide material which may be tablets consisting of copper oxide precipitated on silica, infusorial earth, pumice, or fibrous asbestos with or without promoters such as cerium oxide, the space surrounding the tubes is filled with water, the circuit consisting of the tubes A, A1, a condenser D, a fan F and a tubular vaporizer E is filled with nitrogen and live steam is introduced into the water through a valve M, a balance valve J being adjusted to a pressure depending on the desired temperature.  The steam is then cut-off, fan F is started up, hydrogen is continuously supplied under constant pressure from a gasometer I and at the same time nitrogen is continuously expelled through a small blow-off cock N.  When the reduction of the catalyst is complete, the organic compound to be hydrogenated is introduced into the vaporizer E, the liquid hydrogenation product from the condenser D collecting in G. Butanol, or its esters may be used instead of water, and carbon dioxide instead of nitrogen.  French Specification 639,756 is referred to.ALSO:Isopropanol, butanol, ethyl hexanol, furfuryl alcohol, methylfurane and ethyl alcohol are prepared by the catalytic hydrogenation of acetone, crotonaldehyde, a  - ethyl - b  - propyl - acrolein, furfurol, furfuryl alcohol and acetaldehyde respectively in the presence of a metallic copper catalyst (see also Group III), a thermal exchange being brought about over a large surface area between the catalyst and water or other liquid of high specific heat, and the pressure over the water &c. being so adjusted that it boils at the required hydrogenation temperature.  French Specification 639,756 is referred to.
Patent GB-550425-A (GB)
Title: Temperature compensators for pressure actuated indicators
IPC: G01L13/02
Filed: 1941-07-04
Abstract: 550,425. Pressure actuated indicators. BENDIX AVIATION CORPORATION. July 4, 1941, No. 8489. Convention date, June 25, 1940. [Class 106 (ii)] In a rate of change of pressure indicator having a pressure responsive element, means are provided responsive to a differential in temperature between the two sides of the pressure responsive element to counteract the operation of the pressure responsive element during sudden temperature changes. The diaphragm 10 is mounted on a downwardly biased spring base 12. Expansion and contraction of the diaphragm are transmitted to a pointer 42 by means of a rod 29 secured to the diaphragm pivoted lever 32, spindle 35 and quadrant and pinion 38, 39. The mechanism is arranged in a sealed casing 13, the inside of the diaphragm 10 communicating with the atmosphere outside the casing through the pipe 15 and coupling chamber 44. Diffusing means 56, 57 of the kind described in Specification 507,991 are interposed between the atmosphere and the inside of the casing 13. The constructional features of the present invention are contained in a flanged cylindrical insert 61 secured to the casing by screws 66. This includes two bi-metallic diaphragms 16, 17 of which the former 16 is exposed to the temperature of the outer atmosphere and the latter 17 to the temperature inside the casing. Links 20, 21 pivoted together at 22 are also pivoted to the diaphragms, the link 21 having integral therewith a rod 23 which extends under the spring base 12. The diaphragms each have the less expansible metal on the right-hand side, Fig. 2. If the instrument suddenly enters an atmosphere of higher temperature, the pressure inside the capsule will tend to fall and the device to indicate an "ascent." The diaphragm 16 will deflect inwards under the higher temperature and lift the pivot 22 and also the rod 23 which lifts the diaphragm 10 to compensate for this. When the pressures have equalized inside and outside the diaphragm 10, the increased temperature inside the casing influences the diaphragm 17 to deflect inwards and lower the rod 23 and restore the device to original position. Specifications 530,171 and 546,472 also are referred to.
Patent GB-819875-A (GB)
Title: Improvements in or relating to methods for the arc melting of metals and to apparatus for use therein
IPC: C22B4/00
Filed: 1956-03-19
Abstract: 819,875. Arc furnaces for melting metals. HERAEUS G.m.b.H., W. C. March 19, 1956 [March 19, 1955], No. 8506/56. Class 39(3) In a furnace for melting metals such as zirconium titanium and molybdenum by an arc between an electrode 1 of the required metal and an ingot 3 of the metal formed by metal melting off the electrode on to a vertically adjustable base of a crucible 2 with a water jacket 4, deviation of the arc from its shortest path between the electrode and the molten metal is minimized or prevented by temporarily reducing the length or the voltage of the arc, or by intermittently cutting off current supply, so that the arc is prevented from reaching the wall of the crucible, which contains inert gas preferably at low pressure e.g. 1 mm. or less. D.C. from a generator 11 is supplied by rollers 7 to the electrode 1 which is fed into the crucible by rollers 8 driven by a motor 9, and the crucible base 5 is lowered by a motor 6 as the ingot 3 builds up so as to keep the arc length constant. If an arc occurs between the electrode 1 and the crucible wall, the variation in the arc voltage is detected and operates in known manner a relay 12 and a control equipment 10 to operate the motor to move by pulses the electrode 1 temporarily towards the ingot 3, whereby any arc to the side wall is extinguished. The relay 12 may be a pulse relay releasing several impulses to move the electrode up and down. The electrode may additionally be moved at given intervals towards the ingot to shorten the arc and hence the voltage between them at given intervals apart from the detection of an arc building up between the electrode and the crucible wall. Alternatively A.C. is superimposed on the D.C. from the generator 24 by a high-current transformer 23 so that the arc can be reduced or interrupted in synchronization with the A.C. supplied by the connection 26 and adjusted by the transformer 25. As shown in Fig. 3 the current strength of the arc is altered at regular intervals by an interrupter 35 connected in parallel with the exciting winding 34 of the D.C. generator 33, which may be energized by a battery 38. The extent of current change can be adjusted by a variable resistance 37 controlling the maximum current and a variable resistance 36 controlling the minimum current. The arc may also be extinguished at intervals or when a side arc builds up, and when the arc is restruck, e.g. with the air of striking-up equipment the arc normally strikes between the hot electrode tip and the molten surface of the ingot. The electrode may be temporarily immersed in the molten ingot surface for a time short enough to prevent welding together of the electrode and ingot. The superimposed A.C. may be regulated so that in each cycle there is a period when the arcing voltage is not reached, and no H.F. is required for re-striking the arc, or so, that during the minimum current of each cycle, the main arc is stable but side arcs are suppressed.
Patent GB-1067255-A (GB)
Title: Improvements in push-chairs
IPC: B62B9/14
Filed: 1965-02-26
Abstract: 1,067,255. Perambulator hoods. MœNCHENER KINDERWAGENFABRIK G.m.b.H. Feb. 26, 1965 [Oct. 9, 1964], No. 8523/65. Heading B7B.  A perambulator has a back-rest 10 provided with sockets 14 to take a wire frame 11, 12 which supports a covering 15 of flexible material which may be stowed in the pocket 22.
Patent GB-1408717-A (GB)
Title: Gas electrode and method of manufacturing the same
IPC: H01M4/90
Filed: 1973-02-21
Abstract: 1408717 Ceramic compositions HITACHI Ltd 21 Feb 1973 [25 Feb 1972] 8578/73 Heading C1J [Also in Division H1] A gas electrode for a metal-air cell or a fuel cell comprises a porous sintered body of an oxide having a perovskite type crystal structure and with the general formula where Ln is one or more of La, Pr, Nd, Sm, Gd or Y, A is one or more of Ca, Sr or Ba and O#x# 0À6; 0À01#y#1À0; O###x/2, and wherein a water repelling agent, e.g. PTFE, is in the interstices of the sintered body.
Patent GB-555922-A (GB)
Title: Improvements in and relating to electrical contacts of the socket type
IPC: H01R33/76
Filed: 1942-06-23
Abstract: 555,922. Thermionic valve holders. UNITEDCARR FASTENER CORPORATION. June 23, 1942, No. 8588. Convention date, July 17, 1941. [Class 38 (i) ] A socket contact formed from a sheet metal blank has a pin-receiving portion 11 of open elliptical cross-section and a soldering tag 12 of curved channel section, the tag passing through an arcuate slot 10 at the base of a recess 3 in an insulating body 1. The contact is then secured by bending the tag, its curved cross-section increasing its rigidity and providing a channel for soldering a lead which is temporarily secured in apertures 17 and recesses 18.
Patent GB-587072-A (GB)
Title: Improvements in or relating to tubular containers for electrical condensers or other apparatus
IPC: H01G2/10
Filed: 1944-05-08
Abstract: 587,072. Stoppers. SPORING, P. A., JOHNSON, C. P., and TELEGRAPH CONDENSER CO., Ltd. May 8, 1944, No. 8679. [Class 125 (iii)] [Also in Group XXXVI] A tubular container 3 for an electric condenser 1 &c. is closed at one or both ends by inserting a resilient bung 5 and subjecting the end of the container to a reducing operation to form a frustum 6 of a cone, the edge 7 of which bears on and compresses' the bung around a zone intermediate of its length. The edge 7 may be caused to bear on the bung by spinning over the inner margin of the frustum (Fig. 1), or alternatively, the edge of the reduced portion may bear directly on the bung without the necessity for spinning (Fig. 2, not shown). The bungs may be of natural or synthetic rubber, e.g., neoprene, and a seal is formed between a leading-out wire 4 and the bung 5 by pressure of the reduced portion. The container may be of aluminium or brass &c. According to the Provisional Specification, the reduced portion may be conical with a cylindrical extension, the edge of the extension being spun over. Specifications 479,303, 583,997, [both in Group XXXVI], and 584,379 are referred to.
Patent GB-512919-A (GB)
Title: Improvements in or relating to liquid fuel burners
IPC: F23D11/28
Filed: 1938-03-21
Abstract: 512,919. Liquid-fuel burners: BABCOCK & WILCOX, Ltd., and RICHARDSON, A. W. March 21, 1938, No. 8694. [Class 75 (i)] A liquid-fuel burner of the return flow type comprises two concentric tubes 3, 4 to which members 5, 8 and an orifice plate 11 are secured in position by a cap nut 12 on the tube 3. The member 8 is formed with outwardly inclined passages 9 through which fuel passes from the tube 4 to an annular groove 25 registering with groove 21 in the member 5. The groove 21 is connected by holes 20 to an annular groove 19 from which the fuel passes through tangential channels 6 in the member. 5 to a whirl chamber 7 for discharge through an orifice 22 in the plate 11. A regulated amount of fuel circulating in the whirl chamber is returned to. the fuel tank or suction side of the fuel pump through inclined passages 10 in the member 5 and the annular space between the tubes 3, 4. The passages 9 are equiangularly disposed in axial planes while the passages 10 extend inwardly at an angle of about 30 degrees to the front surface of the member 8 in planes parallel to the axis of and tangential to the whirl chamber 7, their direction around the axis of the whirl chamber being opposite to that of the channels 6. The rear of the member 8 is formed with a cylindrical extension 15 fitting over the grooved end of the tube 4 and having a countersunk surface 26 at right angles to the passage 9.. To ensure sufficient fuel being injected into the furnace to maintain a flame a resistance such as an orificed partition in the whirl chamber may be introduced into the return flow passage. In a modification the tangential channels through which the fuel is supplied to the whirl chamber are formed in a thin plate separate from a packing plate in which the main portion of the whirl chamber is formed. This enables the burner, on reversal of the thin plate, to be used for atomizing two different kinds of fuel, one supplied to the inner tube 4 and the other through the outer tube 3, or for atomizing a fuel by steam or other gaseous fluid.
Patent GB-1415289-A (GB)
Title: Production of insulating resins
IPC: C08G63/20
Filed: 1974-02-26
Abstract: 1415289 Coated wire DYNAMIT NOBEL LTD 26 Feb 1974 [1 March 1972] 8711/74 Heading B2E [Also in Division C3] Copper wire is coated either with a solution of a polyester or with the polyester melt wherein the polyester is prepared by reacting dimethyl terephthalate, tris(hydroxyethyl)isocyanurate and another polyol in the presence of from 0.3 to 1.5% by weight, based on the weight of all the monomers, of an alcoholate of Ti, V or Zr, and esterifying the product with an anhydride of a polyboric aromatic carboxylic acid containing three or more carboxyl groups, stopping the esterification by adding a diprimary amine and polycondensing the esterification product and the diamine to give the polyester. The examples describe reacting dimethyl terephthalate, ethylene glycol, tris(hydroxyethyl)isocyanurate, trimellitic and anhydride and 4, 4'-diaminoliphenyl methane in the presence of tetra-n-butyl titanate, vanadyl tri-nbutylate or tetra-n-butyl zirconate.
Patent GB-1531074-A (GB)
Title: Static converter and control system therefor
IPC: H02H7/125
Filed: 1976-03-05
Abstract: 1531074 Controlling converters ASEA AB 5 March 1976 [6 March 1975] 08867/76 Heading H2F In a static converter comprising at least one rectifier bridge having rectifiers arranged in commutating groups 101, 103, 105; 102, 104, 106, a control system includes a control pulse emitter 9 common to all the rectifiers and each rectifier has a holding circuit 27, 28, 29 arranged so that if one rectifier should fail to turn on (or fail to receive a firing pulse), the previously conducting rectifier of that commutating group continues to conduct until a further rectifier of that group becomes conductive. The invention thus prevents interruption of the D.C. in, e.g. H.V.D.C. power transmission systems. As described, each rectifier 101-106 may comprise a plurality of series/parallelconnected thyristors. A signal, indicating conduction of each rectifier, may be derived by means of a transductor connected in the cathode circuit. Alternatively, such a signal may be derived from the firing pulses to that thyristor. Each rectifier has a bistable flip-flop 27, 28, 29 which is set by the current indicating signal from the appropriate rectifier after it has been turned on by a short pulse from emitter 9 via OR gate 21, 22, 23, the bistable extending the effective duration of the short pulse. When the next rectifier of that group is turned on, the firing pulse for the previous rectifier is terminated by resetting the bistable for the previous rectifier. If, e.g. when changing from rectifier 105 to 101, 101 fails to turn on, the bistable 29 will not be reset so that rectifier 105 will continue to receive a firing signal until a further rectifier 103 of that group is turned on. A similar system (not shown) is used for the upper commutating group 102-106. The bridge may be turned off by means of an inhibiting signal at 50. In Fig. 2 (not shown) OR gates 31-33 are duplicated and their outputs fed via an equality gate to a warning device which indicates incorrect operation.
Patent GB-1144287-A (GB)
Title: Improvements in or relating to electromagnetic relays
IPC: H01H51/28
Filed: 1967-02-24
Abstract: 1,144,287. Remanent electromagnetic relays. SIEMENS A.G. 24 Feb., 1967 [28 Feb., 1966], No. 8921/67. Heading H1N. A remanent relay having at least one remanent and one permanent magnet has both magnets on the same side of the principal axis of a magnetic contact device with the remanent magnet extending beside the operating air gap of the contact device and the permanent magnet substantially perpendicular thereto. An insulating housing 1 accommodates a remanent core 3, a permanent magnet 5, a flux circuit component 7 and terminals 10, 11 for connections to a coil 12 surrounding the core 3. A sealed magnetic contact device 13 has its magnetic terminals 15, 16 adjacent the magnet 5 and component 7 respectively. The magnetic contact gap 14 is off-set from the longitudinal centre of the core 3. Current pulses in the coil 12 set the magnetism of the remanent core 3 to assist or oppose the flux of the permanent magnet 5 to close or open the contacts. A plurality of sealed contact units can be mounted on opposite sides of the core with permanent magnets arranged so that all contacts are open and closed together or those on opposite sides are in different states (Figs. 3, 4 and 5, not shown).
Patent GB-1494502-A (GB)
Title: Protein product
IPC: A23K10/28
Filed: 1974-02-27
Abstract: Foodstuffs and feedstuffs are produced from whey protein. A mixture which contains at least whey protein and water is coagulated by heat at a pH of 6 to 9.
Patent GB-1036343-A (GB)
Title: Wrap-round carrier for groups of cans and the like
Inventor: FORRER HOMER WEBB
IPC: B65D71/00
Filed: 1964-03-03
Abstract: 1,036,343. Can and like packages. MEAD CORPORATION. March 3, 1964, No. 9010/64. Heading B8C. A wrapper for enclosing rows of cans and the like to form an open-ended package includes extensions 47, 48, 61, 64, 68, 72 at each end of the top and side walls joined by triangular panels 55-58 adjacent the top corners, the side extensions folding flat against the inner surfaces of the sides and being of a width to be retained in this position by the cans, and the top extensions being normal to the top in the finished package. The panel angle W is greater than the angle A between the panels and adjacent sides and the angle A is more than 45 degrees. Slits 18-23 and 51-54 locate the can chines and flaps 3-5 and 14A extend between the rows. Tqngue-and-slot connections 35-38, 43-46 in addition to the usual connections, hold reinforcing strips 31, 32, 39, 40 folded on to the walls 14, 16.
Patent GB-797757-A (GB)
Title: Improvements in or relating to rotary valves
Inventor: JACKSON LOFTUS
IPC: F16K5/04
Filed: 1955-03-28
Abstract: 797,757. Valves. JACKSON (ENGINEERS), Ltd., J. March 20, 1956 [March 28, 1955; Dec. 5, 1955], Nos. 9032/55 and 34859/55. Class 135. A rotary valve comprises a body 5, a chamber 6 within the body, inlet and outlet passages 7, 8 in communication with the chamber and rotatably mounted closure member 9 in the chamber. Around each of the passages an 0-ring 24 of rubber-like material is mounted in a U-section recess 19 formed wholly in the valve body. The recess may contain a spacing member 21 or may be of uniform depth. Spring means may be provided in the recess for urging the sealing ring outwardly. The closure member may be a cylindrical plug or may be a quadrant of which the arcuate convex face engages the sealing ring. A removable disc 14 permits the rotary member to be withdrawn to gain access to the sealing rings.
Patent GB-141042-A (GB)
Title: Improvements in or connected with concrete ships and methods of building such ships
IPC: B63B9/06
Filed: 1920-03-29
Abstract: 141,042. Janni, A. C. March 21, 1918, [Convention date]. Concrete vessels.-A concrete vessel is constructed so that the skin serves merely to resist hydrostatic pressure, the shearing-stresses being borne by girders constituting the framework of the sides, the transmission of stresses of the skin being prevented by allowing small relative movement to take place between the elements of the skin and the girder. The reinforced concrete girder constituting the framework of the side comprises upper and lower chord elements 9, 7 united by inclined truss members 21. The slabs constituting the skin are preferably located with their abutting margins arranged to overlie the elements of the girder and are provided with open seams 29 leading to a calking channel 30. The bonding wires 25 connecting the slabs are connected by stirrups 26 to other stirrups 25 passing round reinforcing bars in the truss member. The bulkheads with marginal portions integral with the deck, bottom and side trusses have inner and outer marginal reinforcements with diagonal corner bonding-wires.
Patent GB-634070-A (GB)
Title: Improved method of and apparatus for continuously producing glass sheets
IPC: C03B13/06
Filed: 1948-03-31
Abstract: 634,070. Undulated glass sheeting. VERRERIES DE LA GARE ET A. BELOTTE REUNIES. March 31, 1948, No. 9149. Convention date, May 13, 1947. [Class 56] Undulated glass sheeting is continuously produced by delivering rolled glass in a plastic condition on to a moving undulated surface on which it extends in a continuous web and where it conforms to the shape of the surface, and is retained until it is sufficiently hard when it is separated and annealed. As shown, the glass passes through rollers 1, 2 and drops as a flat web on to the conveyer 3 at C. The conveyer is composed of links 10, 11 pivotally interconnected by transverse pins which carry rollers 8 at each end which ride on runways 9. The links are trained about drums 5, 6, one at least of which is driven, and the tension is adjusted by the device 7. Successive links 10, 11 respectively carry concave and convex elements 12, 13 which are juxtaposed when they move horizontally and form the glass moulding surface. At D the glass is set sufficiently, separates and enters the annealing chamber 4. The elements 12, 13 are preferably of cast iron. Between C and D the glass is cooled freely or by means such as air boxes 14, and elements 10-13 are cooled or heated as they return to the position C.