baber/WOPTO huggingface dataset:
Patent GB-907273-A (GB)
Title: Electrolytic regeneration of photographic fixing baths
IPC: C25C1/20
Filed: 1960-09-07
Abstract: 907,273. Electrolytic apparatus for regenerating photographic fixing-baths. DETTWEILER, G. Sept. 7, 1960, No. 30858/60. Class 41. An apparatus for electrolytically separating silver from photographic fixing-baths to regenerate them has a rotary cathode and means for ensuring continuous turbulence at the cathode surface of such intensity that the ionpoor layer adjacent thereto is continuously broken and eliminated. This turbulence may be achieved by rotating the cathode at a peripheral speed of at least 50 cm/sec., by using a rotary cathode closely spaced to two walls to create eddy currents, by brushes or scraping devices, by a blade wheel mounted on the rotary cathode or by using a cathode with projections or constructed from expanded metal or with a perforated surface. As shown, an electrolysis bath 1 has two fixed carbon anodes 6 surrounded by tubular porous diaphragms 7 containing an anolyte such as sodium carbonate. A cylindrical cathode 4, rotated by a motor 17, has a diameter only slightly less than the distance separating two opposite walls of the bath 1 so that during rotation eddies are produced at the cathode surface. The motor 17 also drives an intermittent output pump 11 to pump solution from a fixing-tank 10 via conduits 71 and 12 to the bath 1. Regenerated solution flows over a partition 3 through a filter 70 and conduit 13 and is returned to the tank 10, A short-circuiting member 25 prevents eddies from the bath 1 reaching the tank 10. Current, which can be varied by a rheostat 21, is supplied to the cathode via a shaft 14 and a stirrup 5, the connection to the anode being through an ammeter 9. A control circuit is described whereby current for electrolysis is not supplied unless the cathode is rotating and the temperature of the bath is above a certain value. A time switch is also included. Fig. 3 shows a cathode 4, e.g. of brass and silver, secured between plastic discs 38, 39 rotated by the shaft 14 and having associated blades 53 which produce turbulence of the solution.
Patent GB-1477550-A (GB)
Title: Photographic material with slip
IPC: G03C1/76
Filed: 1975-07-23
Abstract: 1477550 Photographic material E I DU PONT DE NEMOURS & CO 23 July 1975 [26 July 1974] 30890/75 Heading G2C Photographic material has at least one external layer containing as a slip agent a polyester derived from an aliphatic dicarboxylic acid and an aliphatic or cycloaliphatic diol and containing units of the general Formula:- wherein n is an integer from 1 to and R represents: - or wherein X and Y individually represent hydrogen or methyl and m is U or an integer from 1 to 4. Slip agents specified are polyethylene glycol sebacate, poly-1, 4-butanediol succinate and sebacate, poly-1, 5-pentanediol succinate, and polydiethylene glycol adipate and sebacate. The slip agent may be applied as a dispersion in an aqueous gelatine solution. The external layer may also contain an anionic wetting agent. The photographic substrate may have an x-ray silver halide emulsion coating on both sides or an orthosensitized silver halide emulsion for video amplification on one side and an anti-halation back coat on the other.
Patent GB-744567-A (GB)
Title: Improvements in and relating to jet propulsion cngines
IPC: F02K1/16
Filed: 1953-11-09
Abstract: 744,567. Jet propulsion plant. SOC. D'EXPLOITATION DES MATERIELS HISPANO SUIZA. Nov. 9, 1953 [Nov. 15, 1952], No. 30963/53. Class 110(3) In a reheat fuel supply system, for a jet propulsion engine having a compressor, which comprises a variable output fuel pump delivering through a linear flow valve mechanism to the burners, the linear flow valve mechanism consisting of a valve element loaded by a spring, and pressure sensitive devices sensitive to the pressure drop across the valve mechanism and the compressor delivery pressure which cooperate to control the fuel pump so' as to maintain the fuel flow rate directly proportional to the compressor delivery pressure, the spring of the linear flow valve consists of a flexible blade carrying the valve element at one end and fixed to the valve body at the other together with an abutment which is adjustable along the flexible rod to determine the freely deformable portion of the rod. In the arrangement shown the turbine driven fuel pump 4 supplies fuel to the reheat burners 3 through a linear flow valve mechanism 8 consisting of a casing having an orifice the area of which is determined by a valve element 9 carried by a flexible spring blade 10 the flexibility of which may be varied by adjustment of an abutment 15 along the spring by a control member 16. The gas supply to the turbine is controlled by a needle valve 5 which is actuated by an auxiliary motor 7. The motor 7 is controlled by a pair of diaphragms 6a and 13 connected by a rod 14. One side of the diaphragm 6a is connected to the discharge of the compressor. The diaphragm 13 is responsive to the pressure drop across the linear flow valve 8 The arrangement is such that the fuel flow rate is directly proportional to the compressor discharge pressure. A valve 21 may be provided to control the supply of additional fuel to or the withdrawal of fuel from the burners in accordance with the difference between the actual temperature as measured by the thermocouple 18 and the desired temperature as set at 19.
Patent GB-246977-A (GB)
Title: Improvements in terminals of electric dry batteries
IPC: H01M50/553
Filed: 1924-12-24
Abstract: 246,977. Cleminson, C. E. Dec. 24, 1924. Binding-posts.-The usual terminal strips a, c of a flat dry battery are formed with cyeletted apertures b, d, e. One aperture in each strip is employed for connecting the batteries in series or parallel, the second aperture in one strip being used for connecting a lead at any point giving the desired voltage.
Patent GB-266078-A (GB)
Title: Improvements in and relating to locks & latches
IPC: E05B63/04
Filed: 1925-12-09
Abstract: 266,078. Vaughan, Ltd., H. & T., Starkey, J. W. G., and Vaughan, A. H. Dec. 9, 1925. Latches, sliding; reversible latches.-A reversible bolt comprises a stamped sheet-metal lath c carrying an offset bearing d for a reversible bolthead a. The lath is preferably bow-shaped and the bearing is made by rolling a right-angled extension around a pin on the head. the pin being riveted over a washer c. The pin is formed from wire or rod and is threaded into the head a. The lath has a pin projection f engaging the arm g.
Patent GB-411502-A (GB)
Title: Improvements in the treatment of artificial filaments, yarns, threads or like materials
IPC: D06M11/62
Filed: 1932-11-03
Abstract: Artificial filaments or threads of a cellulosic character are stretched whilst in warp form, or whilst travelling to or from a plurality of bobbins whilst in warp formation, the stretch being applied to the warp as a whole.  Tensile strength is thereby increased.  The filaments may first be treated with a softening agent such as Schweitzers reagent, zinc chloride solution, or dilute sulphuric acid.  The softening treatment may be effected simultaneously with the stretching, e.g. by passing the filaments between two pairs of rollers rotating at different speeds and immersed in a long tank, reeds being used to keep the filaments separate; or the softening-agent may be applied as a preliminary treatment, and the filaments also stretched in the presence of a softening agent; such preliminary treatment may also be carried out with a shrinking agent, and the filaments allowed to shrink. The rollers which effect the stretching are preferably gear-driven, and may be confined to that portion of the filaments on which the softening agent has had time to act.  The degree of stretch may amount to from 50 to 3000 per cent or more based on the original length of the filaments.  The temperature of the bath may be controlled e.g. by immersing therein pipes through which brine, oil or water is circulated.  The contents of the bath may be circulated by pump, preferably in the same direction as the travel of the filaments.  The speed of travel of the filaments or threads through the bath is preferably of the order of 20 to 100 or more yards per minute, the length of bath being for example, 20 to 100 feet.  The filaments may be sized between the stretching and winding.  The process may be associated with other processes such as mercerizing, dyeing, esterification or superficial acetylation.  Threads may be twisted on delivery or when being finally wound.
Patent GB-679472-A (GB)
Title: Method of manufacturing an elongated band for use in making mouthpiece plugs for cigarettes
IPC: A24D3/02
Filed: 1948-11-30
Abstract: 679,472. Cigarette-making machines. BUNZL, H., ZAUFAL, F., SCHECHNER, P., and CIGARETTE COMPONENTS, Ltd. Nov. 28, 1949 [Nov. 30, 1948; March 3, 1949], Nos. 31086/48, 5892/49. Class 130. [Also in Group VIII] A continuous laminated band for making cigarette plugs is formed by cutting pieces 20a, b, c of uniform length from a transversely crÛped paper band 16 and interconnecting said pieces or connecting them to a backing strip to form a band in which the crÛping is in the longitudinal direction of the band. In Fig. 2 the pieces of crÛpe paper cut from the moving band 16 by a knife 21 are attached to a moving gummed band 10 of tissue paper, gauze, or a thin sheet of cellulose wadding, nitrocellular sheet, vegetable parchment, or felted or woven material. Two or more of the resulting continuous bands may be formed into a multi-ply band, interleaved with fibrous absorbent material. In Fig. 5 the band is formed by butting the pieces of crepe paper end to end in a number of layers so that the junctions in adjacent layers do not overlap, the edges of the pieces being attached by sewing, crimping, or by adhesive to the adjacent layers. Each layer may consist of single or double pieces, and in Fig. 6 the edges of the pieces are overlapped and attached to each other.
Patent GB-1080439-A (GB)
Title: Process for purifying nickel oxide
IPC: C01G53/04
Filed: 1966-07-11
Abstract: Granular NiO, produced by roasting crude NiS material over its softening temperature and containing as impurities Cu, Pb, As and/or previous metals, is purified by heating to at least 2000 DEG  F. while selectively chlorinating and volatilizing the impurities by means of a chlorine-containing gas mixture non-reducing to NiO. Preferably, the granular NiO is in the form of a fluidized bed and chlorine (in amount 0.5 to 7% by wt. of the NiO) is fed to the bed in admixture with a fluidizing gas, e.g. air. Heating may be effected by combustion of fuel in the bed which is so controlled that the gas mixture contains less than 5% by vol. free O2 and less than 15% by vol. water vapour.
Patent GB-465662-A (GB)
Title: Manufacture of alkylene sulphides
IPC: C07D331/02
Filed: 1935-11-11
Abstract: Alkylene sulphides are prepared by reaction of ethylene oxide or its derivatives, such as propylene oxide, glycide or epichlorhydrin, with a water-soluble sulphocyanide, or thiourea or its derivatives. Solvents, e.g. water, alcohol, ether, and accelerators, e.g. alkali chloride or carbonate, may be present. In examples: (1) ethylene oxide is introduced into an aqueous solution of potassium sulphocyanide at -5 to -10 DEG  C.  Ethylene sulphide separates, potassium cyanate also being formed. Epichlorhydrin similarly yields chlor-propylene sulphide; (2) thiourea is dissolved in a mixture of ethylene oxide and water at 10--12 DEG  C.  On standing at a temperature below 0 DEG  C., ethylene sulphide is formed together with some polymer the quantity of which increases with increase of temperature and time.  The sulphides and urea obtained are separated.ALSO:Water-soluble sulphocyanides are converted into cyanates by reaction with ethylene oxide or its derivatives, such as propylene oxide, glycide or epichlorhydrin.  Solvents, e.g. water, alcohol, ether, and accelerators, e.g. alkali chloride or carbonate, may be present.  In an example, ethylene oxide is introduced into an aqueous solution of potassium sulphocyanide at - 5 to - 10 DEG  C. On standing, potassium cyanate crystallizes while the ethylene sulphide also formed separates from the aqueous solution. Epichlorhydrin may be employed similarly.
Patent GB-338677-A (GB)
Title: Improvements in and relating to electrical accumulator contacts
IPC: H01M50/552
Filed: 1929-10-14
Abstract: 338,677. Bragg, M. Oct. 14, 1929. Wire terminals.-A terminal end for wires to be connected with an accumulator comprises a fiat surface of spade or other shape, having raised bosses or pointed projections on both sides, so that when gripped by the screwed parts of a terminal a space is left for circulation of air with a view to preventing corrosion.
Patent GB-698401-A (GB)
Title: Improvements in and relating to recording apparatus
IPC: G11B15/29
Filed: 1948-12-02
Abstract: 698,401. Magnetic recording and reproducing apparatus. WRIGHT & WEAIRE, Ltd., and NIBLETT, E. H. Jan. 2, 1950 [Dec. 2, 1948; Dec. 31, 1948], Nos. 31243/48 and 33614/48. Class 40 (ii) [Also in Group XXIV] A magnetic recording and reproducing apparatus with meansfor driving the spools in either direction, has a capstan pulley which advances the record carrier at a predetermined speed, and a common control means for selecting the direction of motion and for rendering the capstan effective or non-effective according to whether it is desired to carry out a transducing operation or a fast non-transducing forwarded or rewinding operation. The record carrier 14 is driven forward from spool 13 over the arazing head 17 and transducer head 18 to spool 15 by a motor connected to shaft 12 and controlled by contacts in a bank of gauged switches 38 on a control shaft 39, and in the reverse direction by a motor connected to shaft 11. In the middle two positions of the control knob 24 on shaft 37, the raised part of a cam 80, Fig. 2, on the said shaft 37 moves a spring-loaded lever 77 by means of an arm 76 to the dotted position shown in Fig. 2, so that a guide 28 on the lever 77 draws the record carrier 14 away from the heads 17, 18. At the same time a roller 20 mounted on a spring- loaded plate 69, pivoted at point 63, is swung inwardly away from the record carrier 14 by the action of the end 84 of the lever 77, so that the record carrier is no longer held against the capstan 19. Starting and stopping is effected by a spring-loaded slide bar 50, which when operated by a control knob 25 in the direction of the arrow in Fig. 1 closes a switch 58 to complete a " hold-on " circuit through a solenoid 56. The slide bar 50 carries two fixed arms 53, 54 which release the brake shoes 40, 41 when in the "on" position. A " stop " button 26 operates a switch 60 which temporarily shortcircuits the solenoid 56 and allows the slide bar 50 to move back to the "off" position. A similar switch 93, operated by an arm 21, serves to stop the machine automatically in the event of a breakage in the record carrier 14. When the bar 50 is in the "off" position a sloping surface 53a on the arm 53 moves a slide 72 tc hold the plate 69 and roller 20 out of contact with the capstan 19. The control shaft 37 is locked in position while the apparatus is in motion by means of a pin on the slide bar 50 which engages one of the notches 80a in the cam 80 The capstan shaft 98, Fig. 4 is driven by a jockey pulley 106 which couples a steppec rim on a motor shaft 104 to a flywheel 101 on the capstan shaft 98. The jockey pulley 106 may be moved into engagement with either step on the shaft 104 by a button 27 on a post 110 sc that one or other of twc transducing speeds may be employed according to the quality of recording re quired. Specifications 691,903, 698,401, 698,402 and 698,476 are referred to.
Patent GB-1110393-A (GB)
Title: Cooling grates
IPC: F27D15/02
Filed: 1965-07-22
Abstract: 1,110,393. Reciprocating conveyers. ABEX CORPORATION. 22 July, 1965 [7 Oct., 1964], No. 31313/65. Heading B8A. [Also in Division F4] A reciprocating conveyer for transporting cement clinker or like material from a rotary kiln comprises a plurality of grates arranged in overlapping descending manner with alternate ones 10<SP>11</SP> movable relative to alternate fixed ones 10<SP>1</SP>. The grates have pushers 20 whereby on forward motion, i.e. to the right of Fig. 1, material is pushed from the fixed grates and on rearward motion the material is pushed from the movable grates. The grates are formed of front and rear overlapping sections 11, 12 connected at their overlap whereby to overcome thermal stresses caused by the hot material being deposited on the front section of a grate and have a plurality of holes 25 through which air may be blown to cool said material. The movable grates 10<SP>11</SP> are attached to an appropriately reciprocating framework 56.
Patent GB-537266-A (GB)
Title: Improvements in or relating to winches and the like
IPC: B66D1/06
Filed: 1939-12-04
Abstract: 537,266. Winches. GYRAL GEARS, Ltd., and STONELY, D. R. Dec. 4, 1939, No. 31410. [Class 78 (v)] A winch is provided with means to prevent damage should the cable bind between the drum and its casing. A spring-controlled dog clutch 13, 14 has a handle 17 removably mounted on a boss on the part 15 and transmits motion to a hollow shaft 9 carrying an eccentric 8 on which is mounted a toothed wheel 7 held to perform a gyratory motion by a coupling 26, 27, 39. The wheel 7 engages the inside of a pinion 4 fixed to the drum 2, and when fouling of the cable takes place and the drum 2 is jammed, the shaft 25 carrying the slotted disc 39, which is normally stationary is forced to turn and gives audible indication of said turning by the play of a pawl 52 over a ratchet wheel 51 mounted on the shaft 25. The dog clutch 13, 15 also slips with excessive load. A pawl 31 bearing on a ratchet disposed around the clutch part 13 permits normal one-way rotation, and, at option, two-way rotation. The handle 17 is held on to the boss by a spring button 61 engaging a groove 62, and may be removed for storage in a socket 56 and on a stud 57. The winch may have feet 67 and a side abutment for mounting it on an aeroplane for loading bombs, and the handle 17 may then be replaced by a motor. The handle can be fitted also on to the shaft 25. A continuously operating spring brake 36 bears on the drum side, and a handoperated adjustable band brake 46 acts on the rim of the clutch part 13.
Patent GB-1509635-A (GB)
Title: Method of preparing hot melting adhesive powders
IPC: C09J133/24
Filed: 1976-07-28
Abstract: 1509635 Polyamide adhesive powder KUFNER TEXTILWERKE KG 28 July 1976 [28 July 1975] 31421/76 Heading C3R Polyamide hot melt adhesive powders are mixed with at least one melting point and/or melt viscosity depressing agent in powder form, e.g. toluene sulphonamide or caprolactam, and tempered until the agent is completely uniformly distributed and diffused into the polyamide granules. The product is suitable for spray application and permits a higher loading of agent with less reduction in bond strength than single powder mixtures.
Patent GB-651854-A (GB)
Title: Improvements in or relating to actuating means for cylinder lubricating pumps of internal combustion engines
IPC: F01M1/02
Filed: 1947-11-27
Abstract: 651,854. Lubricant pumps. FIAT SOC. PER AZIONI. Nov. 27, 1947, No. 31438. Convention date, Nov. 30, 1946. [Class 102(i)] [Also in Group XXIX] A device for operating the cylinder lubricating pumps 19 of I.C. engines comprises a closed liquid column 15, 16 communicating at one end with the cylinder 14 of a pulsator and at the other end with an impulse cylinder containing a plunger 17 the reciprocations of which mechanically actuate the lubricating pumps. The pumps 19 are actuated through a spring-loaded lever 18. The pulsator piston 1 is integral with an actuating motor piston 1<SP>1</SP> reciprocable in a coaxial cylinder 5 to each end of which pressure liquid supplied through a pipe 2, preferably from the engine lubricating system, is alternately distributed by a semi-rotary "snap over" distributer 8. The outlet from the cylinder 5 may be throttled to vary the speed of the pulsator by a fluid-pressure operated valve 10 interposed in the motor exhaust pipe 9. The closed liquid column may be maintained filled by a compensating reservoir 21 from which liquid is admitted to the column through a valve 22. A relief valve 23 allows excess liquid in the column to be returned to the reservoir.
Patent GB-229043-A (GB)
Title: Improvements in and applicable to jacquards
IPC: D03C3/24
Filed: 1923-12-15
Abstract: 229,043. Stevens, A. P. R., and Williamson, E. Dec. 15, 1923. Jacquards.-In jacquards for use in lace curtain and like machines the pivoted arm or clawker 9, Fig. 4, for controlling the rotation of the cylinder 2 as this reciprocates by acting on bolts 7 thereon, is held out of action at times, so that the rotation of the cylinder is stopped to enable particular cards 1 to be repeated, by means of a cam 18 acting on a truck 19 on the arm &c. 9. The cam is bolted to a ratchet-wheel 14 on an axle, which may be internally threaded to screw on to a bolt extending from the jacquard standard. The ratchet wheel is rotated by a spring-controlled pawl 13 on an arm 11 connected by an adjustable link 10 to the cylinder frame 6, which is reciprocated by a bell crank and may be furnished with runners engaging a platform. A spring 15 attached to the arm 11 and to a fixed member prevents play in the arm 11 and link 10. An adjustable pawl 21 prevents back movement of the ratchet wheel and a nut engaging a spring washer &c. acting on the ratchet wheel prevents free movement thereof. When two clawkers 30, 31, Figs. 10 and 11 are used, so that the cylinder 2 may be rotated in either direction, the cards being provided with plate elements 35 to act on one or the other of two pins 33 on a pivoted member 32, so that this member holds one or the other of the clawkers in inoperative position, the cam 18 is used to move when required the operative clawker into inoperative position so that both clawkers are then inoperative. If the lower clawker, for example, is in operative position, and the upper clawker inoperative, a rise on the cam 18 acts on a roller or truck 44 on a lever 43<a>, 43<b>, which then acts on a bolt 41<a> and draws up a rod 40 connected to a weighted or spring controlled arm 38 on the clawker 31, thus moving this clawker 31 into inoperative position. If the clawker 30 is operative, it is moved into inoperative position by the truck &c. 44 acting on a bolt 37. A series of ratchet wheels may be used.
Patent GB-1482287-A (GB)
Title: Window assembled from plastics parts
IPC: E06B3/58
Filed: 1974-07-16
Abstract: 1482287 Windows H LAUMANN [trading as VEKAPLAST HEINRICH LAUMANN] 16 July 1974 [16 July 1973] 31509/74 Heading E1J A window frame assembly comprises a fixed frame 2 of L-shaped cross-section divided into a number of chambers, and a casement frame 1 of Z-shaped cross-section and formed as a main chamber and two smaller chambers which frame has a groove 51 in which is attached a glazing strip 3, all formed of elongate plastics members with hollow cross-sections. A shutter guide 4 is positioned on the outside of the main frame.