baber/WOPTO huggingface dataset:
Patent GB-811556-A (GB)
Title: Improvements in or relating to suspension units
Inventor: DUCKETT WILLIAM ARTHUR
IPC: F16F9/38
Filed: 1957-08-12
Abstract: 811,556. Helical springs; hydraulic shock absorbers. WOODHEAD-MONROE Ltd. Aug. 12, 1957, No. 25393/57. Class 108(3) In a suspension unit comprising a telescopic damper and a coiled spring which is located around the damper and which abuts at one end against a fixed abutment carried on one part of the damper. A retainer assembly is provided for locating the other end of the spring. This comprises an annular retainer member applied over a second part of the damper, movable relative to the first part, which forms an abutment for the other end of the spring and one or more locking elements adapted, on compression of the spring, to be disposed in a recess in the second part of the damper so that when the spring is released, with the locking element or elements in place, the retaining member will move to and engage the element or elements to prevent displacement thereof. With opening 13, Fig. 1 compressed and retaining collar 16 in contact with the spring, two semi-circular half-rings, or other complementary rings 13, are placed in recess 18. When spring 13 is allowed to extend collar 16 bears on and retains rings 13. In a modification collar 16 is replaced by a sliding dirt shield 20, Fig. 2.
Patent GB-1386902-A (GB)
Title: Polyamides
IPC: D01F6/80
Filed: 1973-05-30
Abstract: 1386902 Polyamides MONSANTO CO 30 May 1973 [31 May 1972] 25675/73 Heading C3R A film- and fibre-forming polyamide comprises repeating units wherein R is a direct bond or -O-, -CH 2 -, -CO-, -S-, -SO 2 -, -CR<SP>1</SP> 2 - or Ar is m- or p-phenylene; n is 0 or 1; and R<SP>1</SP> is C 1-4  alkyl, at least 10 but less than 90 mol. per cent of said units having the formula They may be prepared by interfacial or solution polycondensation of substantially equimolar amounts of an appropriate mixture of diamines and tere- and/or iso-phthaloyl halide. Solutions of the polymers may be wet or dry spun. Reference is made to Specification 1,386,901, and the use of benzidine in contravention of the Carcinogenic Substances Regulations is disclaimed.
Patent GB-872642-A (GB)
Title: Producing moulds for foundry purposes
IPC: B22C7/02
Filed: 1958-08-11
Abstract: 872,642. Moulding processes. SULZER FRERES S.A. Aug. 11, 1958 [Aug. 15, 1957], No. 24747/58. Class 83 (1). A destructable pattern is made of urea and calcium carbonate and is dissolved out by an aqueous acid. The pattern may comprise up to 10% of polyvinyl alcohol or a minor amount of combustible fibres, e.g. cellulose fibres, which are subsequently burnt out. The acid may be dilute hydrochloric, sulphuric or phosphoric, and in vapour form. A mould mix comprises 2 litres ethyl silicate, 2 litres alcohol, 0.25 litres water, 5 c.c. hydrochloric acid and 18 kg. zirconium sand. Specifications 872,640, 872,641 and 872,643 are referred to.
Patent GB-1145252-A (GB)
Title: Improvements in or relating to electric arc welding torches
Inventor: SHERWOOD ERIC ARTHUR
IPC: B23K9/028
Filed: 1965-06-17
Abstract: 1,145,252. Welding by fusion. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 17 June, 1966 [17 June, 1965], No. 25759/65. Heading B3R. In an arc welding torch for making internal annular welds, in which the electrode 1 is mounted near one end of a tubular holder 2 through which current and shielding gas are passed to the electrode 1, the electrode is retained in a transverse bore 4 near the closed end of the tubular holder 2 by a spring-loaded rod 3a extending axially through the holder 2. The holder 2 is of copper and is provided with a ceramic sheath 5 having an aperture through which the electrode 1 projects, and the shielding gas exits. Part of the shielding gas passes through holes 20 in the holder 2 and along passages 21 between the holder 2 and the sheath 5 to act as a cooling agent. The holder 2 is carried by an insulating block 6 rotatable in bearings 9 by a worm and worm-wheel 7. An extension 11 of the holder 2 has a conical end in sliding contact with a stationary carbon body 12 to which the current is connected. Gas is fed from an inlet 14 through the body 12 to the extension 11.
Patent GB-1402681-A (GB)
Title: Tunnel erase transducer assembly
IPC: G11B5/48
Filed: 1973-05-30
Abstract: 1402681 Magnetic recording/erasing transducers INTERNATIONAL BUSINESS MACHINES CORP 30 May 1973 [28 June 1972] 25813/73 Heading G5R A magnetic head assembly comprises a record gap 19 followed by two erase gaps 46, 47, which are disposed to erase the edges of the recorded track and are defined by a single magnetizable core formed from a metal strip 35 having at least one bifurcated end 36, 37 and bent so that the ends are spaced and parallel. The strip is of nickel-iron alloy and initially has windows 49, Fig. 5, defining bifurcations 38, 39; 40, 41 at each end. The strip is bent and annealed to shape with brass shims 52 between opposed legs 38, 40 and 39, 41, a brass spacer 55 between the bifurcations and a wedge 23 determining the gap heights, these elements being secured together by epoxy resin 54. The strip is mounted in a recess 22 of a housing portion 20 with the strip extremities extending beyond the operative surface 25: these are subsequently removed and the surface 26 ground to a part-spherical shape with apex 26. The record transducer is formed from C- and L-shaped cores 13, 21 defining polepieces 56, 27 flanked by stainless steel laminations 57, 28 and spaced by a shim 58. The L- core is secured between housing portions 20, (60), Fig. 1 (not shown), and abuts the erase head, while the C- core is recessed in a further housing portion 12. The housing is of stainless steel. The assembly is used with a flexible magnetic disc 16 biased by a pressure pad 65, but is applicable to tape or drum.
Patent GB-1044768-A (GB)
Title: Process for the continuous production of a compression crimped yarn
IPC: D02G1/12
Filed: 1964-06-23
Abstract: 1,044,768. Crimping yarns. VEREINIGTE GLANZSTOFF-FABRIKEN A.G. June 23,1964 [June 24, 1963], No. 25923/64. Heading D1F. In a compression crimping process,straight yarn is delivered to a compression chamber at constant speed and removed therefrom at two constantly alternating speeds. The chamber has two compartments-a neck in which the incoming yarn is deformed in the known manner and a portion which is wider (or of larger diameter) and longer than the neck and through and from which the crimped yarn moves at uniform speed (without being subjected to the usual variable frictional resistance) against a force applied by a (loaded) closure flap. The crimped yarn then enters and is collected in an adjacent buffer space until it opens, mainly under its own weight, a closure control flap the position of which determines and alters e.g. by actuation of a microswitch controlling a reversible drive motor, the draw-off speeds, the buffer space being constantly, at least partially, filled with crimped yarn. As shown, yarn 18 passing from a spool 17, over a brake 19, deflecting device 20 and heater 21 e.g. a hot-plate over which the yarn is looped at least once, is guided by a feed device 22 through delivery rollers 1,2 into the two-compartment compression chamber comprising a weighted, pivoted, closure flap 6 and a pivoted, control flap 11 movement of which operates a microswitch 14. Crimped yarn emerging from the space below the end of the flap 11 and a bearing nose or pin 13 is carried over deflecting rollers 23, liquid treatment roller 24, guide 20 to a winding spool 26 which is alternately driven between the two different (peripheral) speeds.
Patent GB-241579-A (GB)
Title: Improvements in the manufacture of alkali salts of aromatic sulphochlor-amides
Filed: 1925-10-17
Abstract: Alkali salts of aromatic sulphochloramides are prepared from the aqueous solution of the sulphonamides or salts thereof by adding bleaching powder and treating the product with an alkali salt which will precipitate the calcium.  In an example, bleaching powder, p-toluene sulphonamide and calcined sodium carbonate are stirred with water.  After heating and separating the precipitated calcium carbonate, crystals of sodium p-toluene sulphochloramide separate on cooling.  In a second example, bleaching powder, calcium p-toluene sulphonamide and Glauber's salt are made to react in the presence of water, when, proceeding as in the first example, sodium p-toluene sulphochloramide is obtained.  According to the Specification as open to inspection under Sect. 91 (3) (a) alkali salts of other sulphohalogenamides may be prepared by similar processes.  This subject-matter does not appear in the Specification as accepted.
Patent GB-406391-A (GB)
Title: Improvements in and relating to taps and cocks
IPC: F16K31/524
Filed: 1932-09-19
Abstract: 406,391. Valves. READ, F., 10, Upper Drayton Place, Croydon. Sept. 19, 1932, No. 26043. [Class 135.] A tap or cock for domestic water and like supply comprises a body a having an inlet a<1> to be connected to the main and an outlet a<4>, and an external housing f<1> containing a slidable control member h provided with a curved or inclined surface h<3> on which the valve c<1> bears either directly or through a stirrup-like member m<1>, the control member h bearing on the wall of the housing f<1> remote from the valve. As shown, pressure on the knob h<1> closes the valve, but the cam h<3> may be arranged to act reversely. The housing f<1> with slide-member h is adjustable to any position in a horizontal plane, being fixed by a screwed ring d. In a modification the water is admitted to the upper part of the body and the control member is arranged underneath in a housing integral with the valve body. The cam surface may be notched for quarter, half, and three-quarter supply.
Patent GB-944745-A (GB)
Title: Improved magnetic ferrite materials
IPC: C04B35/26
Filed: 1962-07-06
Abstract: 944,745. Magnetic compositions. STANDARD TELEPHONES & CABLES Ltd. July 6, 1962 [July 10, 1961], No. 26062/62. Heading H1H. A ferromagnetic ferrite material with high permittivity and suitable for loading a coaxial telecommunications cable is formed by mixing an additional oxide component with a starting mixture of metal oxides having the formula xFe 2 O 3  yNiO zZnO t CoO, where 52# x #60, 15 # y # 48, 0 # z # 33, 0 # t # 5, before sintering, the additional component comprising 0.05-5% by weight of one or more of SiOg, SnO a , ZrOg, Ta 2 O b . In examples oxides of Fe Ni Zn and Co are mixed with an additional oxide, ground and sintered at 1250‹ C. for 2 hours in Og, being then cooled in Og over 15 hours.
Patent GB-923893-A (GB)
Title: Improvements in or relating to electric supply systems
Inventor: DALE SAMUEL HOWARD
IPC: H02J3/18
Filed: 1958-08-14
Abstract: 923,893. Converting. GENERAL ELECTRIC CO. Ltd. Aug. 12, 1959 [Aug. 14, 1958], No. 26173/58. Class 38 (2). To improve the power factor of an electric converting arrangement comprising a transformer 2 and rectifying elements 6 supplying a load 7 a capacitative reactance 14a is provided at the A.C. side and an additional arrangement of controllable rectifying elements 9 whose output is short-circuited is also provided. The capacitative reactance is chosen to give optimum power factor at zero D.C. volts, and the additional rectifiers are controlled to maintain this optimum condition as the D.C. volts rise. The rectifiers 6 and 9 may be grid-controlled mercury arc rectifiers and may be fed from a common secondary winding. The rectifiers 9 may be short-circuited through a smoothing choke and may be controlled to compensate for voltage drop in the line. The capacitative reactor may be a capacitor or a capacitor in association with a machine. Filters 14b, 14c may be provided for harmonic currents. The capacitor 14a may be on either the primary side or the secondary side of the transformer 2. Polyphase arrangements are described.
Patent GB-260270-A (GB)
Title: Improvements in or relating to compressed air generating plant
IPC: F04D27/02
Filed: 1926-10-20
Abstract: 260,270. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts Ges.). Oct. 20, 1925, [Convention date]. Regulating or controlling. - Air compression plant comprises a main compressor having a regulator, e.g. a speed regulator, which retains an approximately constant pressure up to a certain delivery, and an auxiliary compressor which comes into operation with full power when this quantity limit is exceeded and is cut in and out automatically in accordance with the pressure. The auxiliary compression is operated so that the main compressor works only in a range of favourable efficiency. The auxiliary compressor may be subject to two regulating means, viz. the usual pressure regulator and a second regulator depending e.g. on the finer pressure differences or on the speed or output, the compressor being cut out only when this second regulator, which may be constructed as a time switch, comes into operation.
Patent GB-1430124-A (GB)
Title: Load carrying chains and hooks
IPC: F16G17/00
Filed: 1973-06-01
Abstract: 1430124 Hooks RUD-KETTENFABRIK RIEGER & DIETZ 1 June 1973 [23 June 1972] 26248/73 Heading E2A In a combination of a chain and shortening hook 11, the chain consisting of elongated links having parallel limbs, the hook comprises a mouth 17, 18 having substantially parallel supporting sides which prevent an inserted chain link from tilting and at the base of the mouth a transverse yoke 19 with laterallugs 20, 21 projecting between the limbs of the links following the link in the hook mouth. The transverse yoke 19 forms a straight supporting surface for carrying the straight part of the limb of the link to be supported. As shown, cavities 24, 25 and 28 are provided for locating links 26, 27 and 29, 30. The hook is attached to a chain 15 by a pin 14 secured by a locking pin 13.
Patent GB-1247417-A (GB)
Title: Method of blast furnace reduction of iron ores
Inventor: MARSHALL WILLIAM EDWIN
IPC: C21B5/06
Filed: 1969-05-22
Abstract: 1,247,417. Blast furnace reduction of iron ore. ARMCO STEEL CORP. May 22, 1969, No. 26273/69. Heading C7D. In the blast furnace reduction of iron ores (e.g. taconites) to form molten iron the top gases are cooled, cleaned to remove dust, a portion thereof is enriched with a fluid hydrocarbon fuel (e. g. CH 4 ), heated to react the fuel with CO 2  and water present therein to give a mixture of CO and H 2  and the treated gas at 1400-2000‹ F. is then fed into the reduction zone of the furnace stack where the temperature is 1400-2000‹ F. Part of the cooled top gases may be used as fuel in heating the enriched gas (e.g. in pebble stoves in which the pebbles have preferably been soaked in nickel sulphate solution to provide a catalyst) and/or in the blast furnace stoves; and part thereof may be used to control the temperature of the treated gas (preferably after being mixed with fuel as above).
Patent GB-1514886-A (GB)
Title: Cameras
IPC: G03B17/38
Filed: 1976-06-24
Abstract: 1514886 Camera PENTAGON DRESDEN KAMERA-UND KINOWERKE VEB 24 June 1976 [18 July 1975] 26341/76 Heading G2A A camera has a timing circuit connectable to a voltage source by a main switch 1 actuated by a release 7, an additional switch 2 being connected in parallel with switch 1 and being closed by a diaphragm drive lever 3 so that the circuit remains energized upon return of release 7 to its original position. As shown, upon actuation of release 7: (1) release 7 closes switch 1 (2) release 7 rotates a lever 6 which shifts a blocking lever 8 to free drive lever 3 (3) a spring 14 rotates lever 3 clockwise to close switch 2 and, via a lever 4 and a rod 5, to stop down the diaphragm (4) a portion 9 of lever 3 shifts a second blocking lever 10 to free a lever 12 (5) a spring 18 rotates lever 12 to hinge up a reflex mirror and operate the shutter.
Patent GB-1156095-A (GB)
Title: Adjustable Spanner.
Inventor: MAICHEN KARL
IPC: B25B13/18
Filed: 1967-06-07
Abstract: 1,156,095. Spanners. K.MAICHEN. 7 June, 1967, No. 26370/67. Heading B3N. An adjustable spanner 1 comprises a channel member 1<SP>1</SP> having an aperture 2 at one end providing two spanner faces 4, 4<SP>1</SP>, and the leg 8 of an open spanner at the other end, a member 6 slidable in the channel, and having faces 7, 7<SP>1</SP> which form part of the spanner, and leg 8<SP>1</SP> of the open spanner. A dovetailed slide 16 is transversely movable in a groove 17 in member 6, and carries an eccentric pin 11, rotatable by a nut 13. Graduations are provided on a disc 14 of pin 11, which co-operate with marks on member 1<SP>1</SP>, so as to indicate the setting of the spanners when nut and pin 13, 11 are rotated.
Patent GB-937541-A (GB)
Title: Voltage monitoring and shorting device
IPC: H02H3/20
Filed: 1961-07-20
Abstract: 937,541. Transistor switching circuits. COLLINS RADIO CO. July 20, 1961 [Jan. 3, 1961], No. 26373/61. Class 40 (6). A circuit for monitoring the magnitude of a direct voltage and connecting the voltage to earth if it exceeds a predetermined value comprises an input emitter-follower transistor 7, the output from which is applied to a unijunction transistor 19 which conducts when the input voltage exceeds said predetermined value, the voltage pulse developed as a consequence across load resistor 21 switching normally conducting transistor 11 off, thus removing collector bias from transistor 7 so that its collector-base diode becomes forwardly conducting and the input voltage is earthed through resistor 15. By virtue of the long time-constant circuit comprising resistor 32 and capacitor 34, transistor 11 remains cut off for about half a second after each pulse from the unijunction transistor. At the end of this period, if the excess voltage has been removed, the circuit returns to its original state. The input voltage may be a frequency control voltage for an oscillator as described in Specification 937,542.
Patent GB-463250-A (GB)
Title: Improvements in container caps and liners and method of applying liners to caps
IPC: B65D41/04
Filed: 1935-09-24
Abstract: 463,250. Caps for bottles. CROWN CORK & SEAL CO., Inc. Sept. 24, 1935, No. 26421. Convention date, Oct. 5, 1934. [Class 125 (iii)] A container cap 11 of the skirted type, the skirt 10 carrying the securing means 13, is provided with a sealing device comprising a backing layer 16 of resilient material such as pulp board &c. and of a diameter greater than the inner diameter of the securing means, and a layer 17 of plastic adhesive material such as guttapercha, raw rubber, &c. adapted to be extruded as a fin 24 on the application of pressure. The fin 24 by contact with the side of the cap, obviates loss or accidental removal of the sealing device. The extrusion of the plastic material is conveniently effected by means of a heated plunger. A facing disc 18 of metal foil, varnished paper, &c. covers the plastic material which serves to secure the several parts of the sealing device together.
Patent GB-1330255-A (GB)
Title: Space heater for heating a sma-l space
IPC: F24C3/00
Filed: 1971-04-19
Abstract: 1330255 Space heaters P KREIS 19 April 1971 [7 April 1970] 26439/71 Heading F4S In a space heater comprising a burner assembly 2 located in a combustion chamber 1 to which is connected a heat exchanger leading downwardly in a tortuous configuration, comprising horizontal sections 5, 10, 11, 12 interconnected by return bends 6, 7, 8, 9, through which the combustion gases from the burner flow, the combustion chamber is formed with outwardly bulging side walls 35 to define a zone of increased cross-sectional area in the region of the burner flames 36. Combustion air is supplied through inlet 14. The heat exchanger is provided with both internal and external fins 40 and 20. The internal fins 40 are arranged to increase in height in the direction of combusition gas flow. Combustion gases leave the heat exchanger through an outlet 15 which may be connected to a chimney pipe. Plates 43 of different aperture cross-section can be removably inserted into the end of the outlet 15 to restrict the combustion gas flow and thereby determine the heat output of the heater.
Patent GB-738625-A (GB)
Title: Improvements relating to xanthogenato alkanesulphonates and mercapto compounds derived therefrom
IPC: C07C329/00
Filed: 1953-09-25
Abstract: New metal alkylxanthogenatoalkane-sulphonates having the general formula R1OCSSRSO3Me are prepared by reacting a haloalkane sulphonate XRSO3Me with an alkyl xanthate R1OCSSMe wherein X denotes a halogen atom, R a straight-chain alkylene group containing from 1 to 5 carbon atoms, Me a metal and R1 an alkyl group.  Preferably X represents bromine or chlorine, Me is an alkali metal, R contains 2 carbon atoms and R1 contains 1 to 4 carbon atoms.  The products may be converted into mercapto-alkane sulphonates by reaction with a nitrogen base having at least one hydrogen atom attached to the nitrogen.  Thus, reaction with ammonium hydroxide yields the mercapto-alkane sulphonate HSRSO3Me and a xanthamidate R1OCSNH2.  Other nitrogen bases mentioned are methylamine, dimethylamine, ethylamine and butylamine.  The mercapto-sulphonates can be converted into the free sulphonic acids by passing a solution of the sulphonate in an inert solvent, e.g. water, through a cation-exchange resin operated in the hydrogen cycle.  The mercapto-alkane sulphonates can be converted into other salts by treatment with a cation-exchange resin having labile cations other than hydrogen ions.  The free mercapto-sulphonic acids may also be converted into their salts with bases such as ammonium hydroxide, sodium hydroxide, ethanolamine and ethylamine. In examples: (1) saturated aqueous solutions of sodium b -bromo-ethane sulphonate and potassium or sodium ethyl xanthate are reacted at room temperature to yield crystalline sodium ethyl b -xanthogenato ethane sulphonate; the sodium compound is dissolved in aqueous alcoholic ammonia and the reacted mixture evaporated to dryness and extracted with an ether-alcohol mixture to remove ethyl xanthamidate; the residue of sodium b -mercapto ethane sulphonate is treated in aqueous solution with a cation-exchange resin and the resulting free acid converted into its ammonium salt; (2) sodium bromoethane sulphonate is reacted with sodium butyl xanthate as in (1) to yield sodium butyl-b -xanthogenato ethane sulphonate. Haloalkane sulphonates used as starting materials, are prepared by reacting a dihaloalkane with a water-soluble sulphite Me2SO3 or an equimolar mixture of a water-soluble metal metabisulphite and the hydroxide of the metal.  Thus sodium sulphite solution is gradually added to an excess of ethylene bromide refluxing in aqueous ethanolic solution to form sodium b -bromoethane sulphonate.