baber/WOPTO huggingface dataset:
Patent GB-551671-A (GB)
Title: Production of filter elements
IPC: B01D39/20
Filed: 1941-09-01
Abstract: 551,671. Filters, glass manufacture. EDWARDS, A. E. Sept. 1, 1941, Nos. 11162/41 and 11163/41. Convention dates, Aug. 30, 1940 and Sept. 3, 1940. [Class 46] [Also in Group XXIII] Filter elements are made by forming a compact bundle of parallel glass fibres by saturating a loose bundle of generally parallel glass fibres with a lubricating liquid to coat the fibres and removing the excess liquid by a stripping action ir such a manner as to bring the fibres into parallelism and com pact the bundle, enclosing the bundle in a tubular sheath and slicing through the sheath and fibres to cut off slabs constituting the filter elements. The sheath may be dispensed with and the fibres held together by sintering together the fibres throughout, or at. the periphery of, the bundle. Fibres about .0002 to .03 inches in diameter may be employed. The lubricating liquid may be a very light mineral oil, kerosene, gasoline, toluol, ether, tricresyl phosphate, an oil and water emulsion or an aqueous or alcoholic soap solution. The stripping action may be effected by hand or by drawing the bundle 10 through a ring or a notch 14. The sheath 18 may be a tube, which may be split or divided longitudinally in halves and subsequently welded, or a wrapping of metal tape, cloth &c. The bundle may be stripped and sheathed simultaneously by drawing it into a tube having a flared end. One or each end face of the elements is ground flat while the ends of the fibres I are supported by a solid substance 27 filling the interstices 19 of the fibres. A readily liquified substance, such as Canada balsam or wax, may be used and subsequently removed by reheating or by means of a solvent. Organic compounds such as pitch, asphalt, or phenol formaldehyde are also suitable, their removal being effected by burning or by treatment with an oxidising substance, e.g. a solution of nitric acid and potassium chloride.
Patent GB-345118-A (GB)
Title: Improvements in high pressure steam generators
IPC: F22B1/12
Filed: 1930-04-08
Abstract: 345,118. Indirectly heated steam boilers. BRUN, D. J. A. R., 1, Avenue St.-Maut, La Madeleine, Nord, France. April 8, 1930, No. 11176. Convention date, April 17, 1929. [Class 123 (ii).] A boiler heated by the circulation of superheated steam through the water space comprises a number of elements 1a, 1b, 1c, containing heating coils 64 connected in series and intermediate superheaters 62, through which the steam from the elements is circulated. The supply of heating steam may be controlled by a valve 77a in a byepass 77 between the first superheater 62 and the steam main 73. The elements may each consist of water-tubes heated by furnace gases and opening into a steam and water drum containing a steam-heating coil, the superheaters being arranged behind the watertubes in the path of the furnace gases.
Patent GB-591210-A (GB)
Title: Improvements in or relating to apparatus for measuring electrical quantities in ultra-high frequency circuits
IPC: G01R27/04
Filed: 1945-05-02
Abstract: 591,210. Wave guides. TURNER, L. B., and WRIGHT, C. S. May 2, 1945, No. 11186. [Class 40 (v)] [Also in Group XXXVI] Apparatus for measuring power and impedance in an ultra-high frequency circuit comprises a conductor, adapted to be - inserted into the circuit and having a longitudinal slot therein extending for at least one half-wavelength, a resonant chamber mounted on and traversable relatively to the conductor and provided with means registering with the slot for exciting the resonant chamber, and means for detecting and indicating the degree of excitation of the chamber. Fig. 6, shows an apparatus for use with a rectangular wave guide, ,.and comprises a wave guide section 41 formed with a narrow slot 41a over which is adapted to be traversed an aperture 47a in a resonant chamber 47 by moans of a rack 56 and pinion 57. The degree of .-excitation of chamber 47: is measured by a thermo-couple 52 and antennµ 53 adjustably positioned in a side tube 48 and connected to a galvanometer 25. An adjustable tuning plunger 54 comprises a block of lossy dielectric 55 mounted on a dielectric stud 55a. Adjustments of the plunger 54 may be read off at 54a and thus constitute a wave meter. Good electrical contact between chamber 47 and guide 41 is ensured by providing a phosphor bronze gasket 45 formed with a slot surrounded by tongues 45a which are slightly twisted so as to make contact with chamber 47. To measure impedance, the input connector 43 is coupled to a suitable source and the output 42 is connected to a component to give open circuit conditions.. Readings of meter 25 are taken as aperture 47a is made to traverse the length of slot 41a, and the readings are plotted against displacement as read from scale 59 and index 58. The open circuit at 42 is then replaced by the impedance to be measured and the corresponding curve is plotted. The impedance can then be calculated from a given formula in terms of the intercepts on the second curve at the maxima and minima of the first curve. Power can be calculated from the maximum and minimum readings of galvanometer 25.
Patent GB-382216-A (GB)
Title: Pulsators for milking machines
IPC: A01J5/10
Filed: 1932-04-19
Abstract: 382,216. Cow-milkers; vacuum engines ; valve gear. MORTENSEN, F., 1, Skatuddsgatan, Helsingfors. April 19, 1932, No. 11239. [Class 84.] In a milking-machine pulsator of the kind in which a pair of opposed pistons e, e<1> reciprocate under the action of suction applied alternately to the working spaces c<2>, c<3> of the pistons by a slide valve i, the valve-actuating device comprises two relatively movable balls f, f<1> seated in sockets formed respectively in the piston-rod g and in the valve, a guide rod k supporting the balls, and a helical compression spring d surrounding the rod between the balls. The ball f<1> is rigid with the guide rod k, whereas the ball f is non-detachably but slidably mounted thereon. In a modification, the guide rod k consists of two telescopic parts fitted with ballshaped ends. The pistons e, e<1> are connected to the rod g by studs s the heads of which are located in slots in the rod and have a certain amount of lateral play therein to minimize the friction between the pistons and the walls of the working spaces. The pulsator body a is mounted on the milk receptacle and is provided with a nipple b connected to the source of vacuum. The valve i is provided with bores i<1>, i2 and with a groove i<3> which co-operate with channels a<2>, a3, a<4> formed in the body a. The bores i<1>, i<2> open into the space between the pistons, which space is always open to atmossphere, the channels a3, a4 communicate respectively with channels a<5>, a<6> opening into the working spaces c<2>, c<3>, and the channel a<2> communicates, by way of a needle valve p, with a channel a<1> opening into the body a. The teat cups are connected in pairs to two nipples n opening into two channels o which are adapted to be placed alternately in communication with the atmosphere, and with a channel m opening into the bore a, by a second slide valve l actuated by studs z in the piston-rod g. In operation, with the parts in the position shown in Fig. 2, suction is transmitted through the channels a<1>, a<2>, the groove i<3> and the channels a3, a<5> to the working space c<2>, the working space c3 being open to atmosphere through the channels a<6>, a<4>, and the bore i<1>, suction being also applied through the channel m and one of the channels o to one pair of teat cups. The piston is thus moved from right to left, whereupon the valves i and are operated to respectively transmit suction to the working space c<3> and to the other pair of teat cups.
Patent GB-352487-A (GB)
Title: Improved retort for destructive distillation of solid carbonaceous material
IPC: C10B7/00
Filed: 1930-04-09
Abstract: 352,487. Retorts for destructive distillation. SCHULTZ, E. L., 124, Grey Street, East Melbourne, Australia. April 9, 1930, No. 11292. [Classes 51 (ii) and 55 (i).] A carbonizing retort comprises an inner fixed heating chamber with a shell 10 enclosing a refractory core 6, an intermediate rotary shell formed by louvres 24, and an outer rotary shell 34. The fuel is fed between the louvres and the fixed shell 10, and the distillates escape into the outer shell, the fuel being given a special movement to prevent it from adhering to the inner shell. The fuel is fed from a hopper 20 to a space 21 from which it falls between louvres 24 and the heated shell 10, the coke being discharged by a spiral 28 into a rotating trough 26, a scraper 65 discharging it into a shoot 66 over a trolley 67. The louvres 24 are supported on angle irons 23 which extend to a cylinder 25 dipping into the rotary trough 26. The fire-brick filling 6 is heated by a burner 8, the hot gases from which pass by flues to a stack 11. A central flue 13 with cross flues 14 is controlled by a damper 15 on a spindle 16 operated by a lever 17 to regulate the amount of hot gases supplied to the space adjacent the upper part of the shell 10. The gas outlet space is enclosed by an outer shell 34 leading to gas spaces 41 sealed in water troughs 40, pipes 43 carrying the distillates to a seal box 44 and exhaust pipe 45, a liquid overflow pipe 46 being provided. A flange 35 mounted on rollers 36 supports an upper cylinder 22 to which the angle irons 23 are attached, and the rings 24 and outer casing are rotated around the fixed shell 10 by gearing 49, 51. Carried on the inner edges of the rings 24 are scrapers 39 which are in the form of a spiral. An up and down vibratory motion may be given to the louvres to assist the descent of the charge, by forming the under side of the flange 35 of a series of cams, rollers 36a being provided to limit the upward movement of the shell. In a modification, the scrapers 39 may be attached to the heated shell which is rotated. Pyrometers 69a may be fitted.
Patent GB-780675-A (GB)
Title: Improvements in or relating to gas heated water heaters
Inventor: HUTTON ARTHUR LESLIE
IPC: F24H1/10
Filed: 1955-04-19
Abstract: 780,675. Heating water. GAS COUNCIL. April 19, 1956 [April 19, 1955], No. 11326/55. Class 64(1) The hot combustion gases in a gas-fired water heater come into contact with at least two water jets 43, 46 im succession. Air is drawn through a passage 13 to a ring of gas burners 17 from which the combustion products flow in the direction indicated by the arrows to a flue 12 concentric with the passage 13. Cold water flows to the jets 43, 46 through pipe 41, a ring pipe 42. a pipe 44 and a hollow disc 45. The water from the jets 43 falls into a tray 35 and trickles through a ring of holes 36 on to a gauze or expanded metal liming 30 arranged within a cup-shaped member 29 which also receives the water falling on to a shallow dome 32 from the jets 46. Apertures or serrations at the bottom of the member 29 allow the water to drain down the external surface of a duct 27 into an annular trough 48 which is connected to the hot water outlet by pipes 49, 51 and a trap 50. To enable the heater to be cleaned, the casing 23 is detachably connected to the base 10 by springs 26, a rubber sealing ring 24 and a detachable band 25. A lighting port 19 for the burners 17 is provided with a reflector 22 and a removable airtight cover 20 with a window 21. Reference has been directed by the Comptroller to Specification 763,871
Patent GB-1097650-A (GB)
Title: A process for the treatment of ferrous metals
Inventor: HANSON CEDRIC CHARLES
IPC: C23C12/00
Filed: 1966-03-15
Abstract: Stainless steel articles are surface-hardened, without impairment of their corrosion resistance, by diffusing chromium into their surfaces and nitriding in molten sodium cyanide or a mixture of sodium and potassium cyanides.  Preferably the articles are embedded in a mixture containing metallic chromium or ferro chromium, alumina or china clay and an ammonium halide in a closed container which is held at between 900 DEG C. and 1100 DEG C. for at least 4 hours, then are freed from residual mixture, cleaned and immersed in the molten cyanide arc 550 DEG C. for from 1/2 hour to 6 hours, 1 hour to 1 1/2 hours being preferred.  The molten cyanide bath shoud be aged before use for not less than four hours.  Although principally directed to the hardening of stainless steel, the process may also be employed on articles of mild, alloyed carbon steels, and is stated to make possible hardening by nitriding in molten sodium cyanide in a much shorter time than is required for nitriding in gaseous ammonia.
Patent GB-673262-A (GB)
Title: Improvements in or relating to the manufacture of self-lubricating soft stuffing-box packings provided with soft metal or carbon insertions
IPC: B29C70/00
Filed: 1950-05-08
Abstract: 673,262. Stuffing-box packing. JENSEN, J. E. May 8, 1950 [Oct. 31, 1949], No. 11401/50. Class 122(v) [Also in Group V] A packing 1 in the form of a ring or spiral of vulcanized material has staggered insertions 2a, 2b or 3a, 3b made of carbon or soft metal The insertions are embedded in the packing, but exposed at the working face, and overlap in the direction of motion of the moving part, e.g. shaft. Fig. 1 shows a packing, compris. ing three separate rings, for a rotary member. Fig. 2 shows a packing, comprising four separate rings, for a sliding member. The soft metal insertions may be hollow to receive lubricant.
Patent GB-664558-A (GB)
Title: Mechanism for loose-leaf binders
IPC: B42F9/00
Filed: 1949-04-29
Abstract: 664,558. Loose-leaf binders. SOC. AR.L. CLASSEMENT JORA. April 29, 1949 [April 30, 1948], No. 11422/49. Class 146 (i). [Also in Group XXV] A loose leaf binder comprises an elongated base plate 1 and two arms 5, 7 respectively pivoted at or near the ends 3, 4 of the base plate, one arm 5 being of length substantially equal to that of the base plate and terminating in a hook 6 or equivalent which is engaged by the arm 7 in its raised position so that when the arm 7 is turned downwardly and outwardly, the arm 5 is pressed down into position close to the base plate 1. The arm 7 has a notch 8 near its fulcrum to engage the hook 6 to lock the arm 5 in the closed position. The base 1 may be fixed by eyelets 2 to a cardboard binder and has a reinforcing rib 9 and curved edge 10 which cooperate with the arm 5, which is preferably U- shaped as shown at 11, to clamp the loose leaves.
Patent GB-1300866-A (GB)
Title: Improvements in or relating to a device for mounting an embellishing element around a fixed window of a vehicle
IPC: B60J10/00
Filed: 1970-03-10
Abstract: 1300866 Vehicle glazing trim AUTOMOBILES PEUGEOT and REGIE NATIONALE DES USINES RENAULT 10 March 1970 [5 June 1969] 11444/70 Heading E1R A glass pane V is secured in a vehicle body aperture having rebated edges F by means of a bead of adhesive material c, and the gap between the edge 7 of the glass, and the face F 2  of the rebate is covered by a beading E mounted by means of a plurality of attachments A, each of which is of L-shaped crosssection, with its branches 2 and 3 lying respectively parallel with the edge face 7 and front face 4 of the glass, and is secured in the gap by two resilient arms 5 extending from the branch 2 and having flanges 8 at their ends which engage te rear face 9 of the glass, the beading E being clipped over resilient projections 11, 15 on the branch 3. The projections are oppositely directed, and adjacent each is a lip 12, 16 which prevents contact between the beading E and the glass or vehicle body. The attachments A are engaged on the edge of the glass V by resilient deformation of the arms 5. In a modification, the arms 5 have two flanges as at 8 to engage the front and rear faces of the glass, the attachments being fixed on the glass V before assembly, and the edge 10 of the branch 2 is formed with a heel which spaces the rear face 9 of the glass from the rebate face F 1  when applying the bead of adhesive c.
Patent GB-759680-A (GB)
Title: Improvements in self-propelled missiles
Inventor: WALLIS BARNES NEVILLE
IPC: F42B15/00
Filed: 1949-04-29
Abstract: 759,680. Gas turbine plant. VICKERSARMSTRONGS (AIRCRAFT), Ltd. April 24, 1950 [April 29, 1949], No. 11536/49. Class 110(3) [Also in Group XXI] In a missile incorporating a gas turbine or analogous propulsion unit the portion 10 of the body in advance of the circular turbine housing 13 is of elliptical section, thereby providing orifices 14, 15 for air intake. The general construction of the missile is described in Specifications 759,677 [Group XXI], and 759,678.
Patent GB-165591-A (GB)
Title: Improvements in or relating to fluid pressure operated sound producing devices
IPC: G10K5/00
Filed: 1920-04-27
Abstract: 165,591. Constantinesco, G. April 27, 1920. Horns, construction of and fluid supply for.-In motorcar &c. horns operated by the suction of the engine &c., there is fitted, between the horn and the main supply to the engine, a regulator d comprising a diaphragm e which moves in to throttle the volume of air through the horn when the suction is above normal and moves out as the suction falls. The whole device can be fitted to internal-combustion engines or to steam-condensing plants as a supplement, or it may be fitted for sound-protection purposes only. When applied to an internalcombustion engine, a by-pass n leading to a carburettor o may be fitted to keep the mixture right.
Patent GB-513735-A (GB)
Title: An improved adjustable trouser waistband
IPC: A41F9/02
Filed: 1938-04-19
Abstract: 513,735. Trouser waistbands. MASTERS, F. E. April 19, 1938, No. 11674. [Class 141] A trouser waistband comprises two front sections A with co-operating fastening means, a tubular rear section C, and two intermediate sections B connected between the ends of the front and rear sections, and an adjustable elastic strap E which is connected to the front sections, overlies the intermediate sections, and passes freely through the tubular rear section C. Each end of the elastic strap E is passed through a holder A<2> carried by an extension A<1> of the front section, and attached to a sliding clip F. Specification 425,575 is referred to.
Patent GB-826187-A (GB)
Title: Improvements relating to electrical time-control devices
Inventor: GOSSLING CLEMENT ELPHICK
IPC: H01H43/24
Filed: 1957-04-10
Abstract: 826,187. Time-controls. STONE-CHANCE Ltd. July 10, 1958 [April 10, 1957], No. 11680/57. Class 118 (2). An electrical time control device has a plurality of straight parallel conducting strips insulated from each other, and strips of insulating material arranged to cover parts of each conducting strip and also to be longitudinally adjusted with respect to the conducting strips. A plurality of contacts disposed transversely across the strips are moved along them at a predetermined rate. As shown in Fig. 1, conducting strips 1, 2, 3, 4, each comprising a pair of strip elements (Fig. 3, not shown) have associated with them pairs of insulating strips 23, 24 each of which can be individually moved longitudinally over. its respective conducting strip by means of a knob 25 associated with it. A transparent screen 6, mounted above the strips, has a number of slots 11 through each of which projects a contact 9 to make contact with the strips. The contacts 9 are mounted on a carriage 8 which can be moved from left to right along the direction of the strips by means of a chain 15 driven from a synchronous motor. The drive is obtained by the engagement of pins 17 and 18, and on disengagement of said pins (when pins 17 reaches position 17a in Fig. 2) the carriage is returned to the left under the action of a spring 20. During movement from left to right the pin 18 moves in a slot 14, but in the return movement the guide 21 deflects it into an upper slot 22 and hence lifts the contacts 9 clear of the strips. When a contact 9 passes over the part of a conducting strip not covered by an insulating strip, it shorts out the two elements forming the strip and completes an electrical circuit. Alternatively single element strips could be used, the contact itself then being connected direct to part of the circuit to be completed.
Patent GB-1219636-A (GB)
Title: Improvements in or relating to load warning devices
IPC: G06G7/28
Filed: 1968-03-11
Abstract: 1,219,636. Crane safety devices. EATON YALE & TOWNE Inc. 11 March, 1968 [28 March, 19671, No. 11803/68. Heading B8B [Also in Division G1] A load indicator for a crane comprises transducers responsive to the weight of the load and the angle of the boom and means for combining the outputs of the transducers to derive a signal indicative of the tipping moment. The load transducer may be incorporated in the hook or in the cable in which case a switch is provided for selecting an appropriate resistor to allow for the mechanical ratio of the tackle. A common meter with a changeover switch is provided for indicating boom angle and load and a separate meter is provided for indicating "per cent crane capacity."
Patent GB-830691-A (GB)
Title: Manufacture of terephthalic acid-glycol esters suitable for polycondensation
IPC: B01D9/00
Filed: 1956-04-18
Abstract: The process of the parent Specification for the production of terephthalic acid glycol esters is modified in that the crude reaction product, with or without preliminary purification with hot water, is purified by treatment with a hot salt solution in which the monomeric glycol ester, but not the impurities dissolves, whereupon the salt solution is isolated from the impurities and the monomeric glycol ester is crystallized from the salt solution by cooling. Suitable salt solutions are those of alkali metals or ammonia primary phosphates and chlorides.  The purification is preferably conducted continuously with recirculation of the salt mother liquor to the charging vessel and recirculation of the impurities for further leaching out.  Details are given of the relative solubility of the bis-glycol and bis-diglycol ester in various salt solutions at 10 DEG and 98 DEG  C.
Patent GB-801435-A (GB)
Title: Improvements in windscreen cleaning systems
IPC: B60S1/48
Filed: 1954-09-23
Abstract: 801,435. Windscreen cleaners. TRICO PRODUCTS CORPORATION. Sept. 23, 1954 [Sept. 30, 1953], No. 11868/58. Divided out of 801,433. Drawings to Specification. Class 138(1). In a windscreen cleaning system the position of a wiper motor valve is controlled conjointly by manually operated means and by means responding to the operation of a washer. The description of the cleaning system is identical with that of the Specification 801,433. Specification 736,380 also is referred to.
Patent GB-1461223-A (GB)
Title: Method of and apparatus for plasma-mig arc welding
IPC: B23K9/08
Filed: 1975-03-21
Abstract: 1461223 Welding by fusion PHILLIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 21 March 1975 [25 March 1974] 11907/75 Heading B3R In a method of plasma-MIG arc welding a plasma is produced in an inert gas flow by an electric arc between a non-consumable electrode 3, Fig. 2, and the workpiece W and a MIG arc is maintained between a consumable electrode 17 and the workpiece, prior to the ignition of the MIG arc the consumable electrode being fed eccentrically with respect to the plasma arc and in a direction parallel to the plasma arc and upon ignition of the MIG arc, the plasma is attracted to the consumable electrode by the MIG arc current to form a substantially concentric sheath around the consumable electrode. The non-consumable electrode may be made of tungsten or of copper or as shown in Fig. 3, a tungsten electrode 3 is mounted in a copper holder 29 which has cooling water connections 31 and 32 and others, not shown. The nozzle housing 21 has a nozzle 11 and is elliptical in cross-section with the non-consumable electrode and the welding wire 17 which passes through a contact tube 15 being disposed in opposite sides of the centre line. An inert gas is supplied through inlets A and a shielding gas is supplied through inlets 27 in a hood 25.