baber/WOPTO huggingface dataset:
Patent GB-285971-A (GB)
Title: Improvements in and relating to automatic control systems for dynamo electric machines
Filed: 1926-11-23
Abstract: 285,971. British Thomson-Houston Co., Ltd., and Sarjeant, C. J. Nov. 23, 1926. Drawings to Specification. Systems depending on two or more machines.- The number of machines in service. in a substation for example, is automatically controlled by placing a current transformer in the low tension side of the power transformer associated with each machine and coupling these to a summation transformer the secondary winding of which thus furnishes a current proportional to the total load. Relays proper to each of the machines are excited from this secondary and adjusted to furnish starting impulses in sequence according to load conditions. Means for changing the sequence may be added.
Patent GB-243727-A (GB)
Title: Improvements in the manufacture of poles of reinforced concrete
IPC: B28B21/32
Filed: 1925-11-24
Abstract: 243,727. Ferrier, P. Nov. 25, 1924, [Convention date]. Centrifugal machines; feeding.-A pole of reinforced concrete made by the centrifugal method is of irregular hexagon shape in section with four equal angles of less than 120‹ and two equal angles of more than 120‹, and with four equal sides and two sides of greater length. In the process of manufacture, a hexagonal mould made in two parts of trapezoidal section is used and the material supplied to each half by a hopper of equal length so that the distribution of the material in the mould is the same as in the hopper. The material is fed into the hopper by a screw and the required variations in the distribution of the material are obtained by varying the angle of inclination and the distance between the screw and hopper.
Patent GB-643289-A (GB)
Title: Electric machine having radially accessible grooves for the winding
IPC: H02K1/18
Filed: 1947-11-07
Abstract: 643,289. Cores for dynamo-electric machines. ROETERDINK, C. Nov. 7, 1947, No. 29662. Convention date, Aug. 20, 1946. [Class 35] A stator comprises a laminated magnetic cylinder 2 having outwardly opening slots 3 closed by upper and lower half rings 7, 8, the latter being secured by a frame comprising upper and lower half rings 9, 10. The members 7, 8 and 9, 10 are assembled after conductors have been radially introduced into the slots 3. The whole assembly is secured together by bolts passing through lugs 12 integrally provided on the members 9, 10 at their outer periphery. To reduce magnetic leakage slots 6 are provided between the grooves 3.
Patent GB-220860-A (GB)
Title: Improvements in or relating to stone crushing machines
IPC: B02C1/04
Filed: 1923-11-26
Abstract: 220,860. Fowler & Co. (Leeds), Ltd., J., and Moon, L. R. Vinall-. Nov. 26, 1923. Crushers with vibrating jaws. - Relates to stone-crushers of the jaw type in which the movable jaw has a compound motion, being pivotally mounted at its lower end and operated by an eccentric. The movable jaw is adjustably supported at its lower end by inclined guides and is operated by toggle levers connected and arranged so as to produce an elliptical vibrating action with a toggle movement at the upper part and a sharp knapping action at the lower part of the jaw, two blows being struck for each revolution of the crank-shaft. The base or back plate 13 supporting the movable jaw 12 is connected to the eccentric shaft 18 by upper and lower crossed toggle levers 15, 16, the lever 15 being connected at one end to the upper end of the jaw carrier 13 and at its other end to the lower end of the bracket 17 on the shaft 18 while the lever 16 is connected at one end to the lower end of the carrier 13 and at its other end to the upper end of the bracket 17. A roller or like bearing on the lower part of the jaw 12 or the carrier 13 runs in inclined guides 14 in the framing 11. The lever 16 is made in two parts connected together by pins or bolts 16<a> so that by inserting varying thicknesses of packing 19 the opening at the bottom end of the jaws can be varied. Two main tension levers or bars 21 are connected one on each side of the framing adjacent the fixed jaw 10 at one end, and at their other ends to a cross-spindle 22 at the lower end of the bracket 17. A toggle member acting against the end of the frame, or a roller sliding against a steel track may be employed instead of the bars 21. An adjustable friction clutch is associated with the fly-wheel to protect the machine from damage in the event of a piece of steel &c. being present in the material to be crushed.
Patent GB-484207-A (GB)
Title: A new or improved method of and apparatus for the separation of paraffin waxes or oil-wax mixtures
IPC: C10G73/36
Filed: 1936-11-02
Abstract: <PICT:0484207/III/1> <PICT:0484207/III/2> In a process for sweating mixtures of waxes, the wax mixture is chilled while in contact with a series of vertical reticulated ducts open below, through which the sweatings pass and descend to the bottom, the wax mass being also supported by vertical imperforate walls.  Each reticulated duct 19, Fig. 4, is mounted within an imperforate metal tube 7 and supported therein by perforated or dished discs 20.  A number of these tube assemblies are mounted in a shell 5, Fig. 1, supported in upper and lower plates 6 perforated to receive the tube members.  The chamber 9 at the lower end is provided with wax inlet 11, water inlet and drain 25, wax run off pipe 26, steam coil 18, and vacuum line 30.  The chamber 12 at the upper end is provided with a vent 27, a pipe 28 for admission of compressed air or inert gas and a steam pipe 29. Through the centre of each reticulated duct passes an electrically heated wire on which is threaded insulating glass beads.  The space surrounding the tubes 7 in the tower 5 is connected through pipes 16 and 17 to a source of steam or cooling liquid.  In operation, the lower chamber 9 is filled with water and molten wax mixture is admitted through the pipe 11 until the column is full, steam being passed into the heating coil 18.  The wax is then chilled by admitting a cooling liquid to the space around the tubes 7.  During chilling compressed air or inert gas is admitted through the pipe 28, whereby the wax is rendered porous and subsequent sweating is assisted.  When the wax is solid, the water is run off from the chamber 9, and the core of wax in each perforated duct is melted out by passing current through the heater wire.  The wax is then submitted to the sweating operation by admitting a heating fluid, e.g. steam, through the pipe 16 and current to the wires.  During sweating, pipes 31 or 32 are connected to a vacuum pump, whereby reduced pressure is generated.  After removal of the sweatings, the residual wax is melted out by admitting steam to the pipe 29.  The heating wires may be replaced by central steam pipes.
Patent GB-205702-A (GB)
Title: Improved corner piece for trunks, portmanteaux and bags
IPC: A45C13/36
Filed: 1922-10-31
Abstract: 205,702. James, E. J. Oct. 31, 1922. Moulding leather. - A leather or other corner piece for trunks, portmanteaux &c. is made by pressing a single piece of material to the required shape between dies. and is formed with a raised piece 5 to represent the tongue or joint-covering strip provided on the usual hand-made corner piece. The raised strip is produced by forming one die with a recess and placing a correspondingly shaped leather or other strip 9 between the material and the other flat-faced die before pressing. The strip 9 is, as shown, left to form a filling- piece in the completed corner piece.
Patent GB-993976-A (GB)
Title: Improvements in or relating to edge-trimmers for lawns and the like
IPC: A01G3/06
Filed: 1961-08-18
Abstract: 993,976. Edge trimmers. A. J. TATTERSALL. Feb. 26, 1962 [Aug. 18, 1961], No. 29818/61. Heading A1F. An edge trimmer of the kind comprising a wheel 7 mounted at the lower end of a handle 24, a rotary cutter 9 fixed concentrically with the wheel and a ledger blade 11 mounted on the handle to co-operate with the cutter and for maintenance in guiding engagement with the edge of the turf is characterized in that the cutter 9 is of circular profile and the blade 11 makes an angle of not more than 15 degrees with the cutter 9. The blade 11 and cutter 9 are pressed into contact by spring 15. The wheel 7 may be driven through chain gearing by an I.C. engine mounted on the body 5 of the trimmer.
Patent GB-665855-A (GB)
Title: Improvements in methods for the manufacture of moulded prestressed concrete parts
IPC: B28B23/22
Filed: 1948-11-16
Abstract: 665,855. Moulding reinforced concrete. SOC. TECHNIQUE POUR L'UTILISATION DE I A PRECONTRAINTE (S.T.U.P.) (PROCEDES FREYSSINET). Nov. 16, 1948 [April 6, 1948], No. 29826/48. Class 87(ii) [Also in Group X] Concrete members prestressed by means of elongated ring-shaped reinfcrcements 2 are manufactured by stretching the reinforcements by means of tension gear engaged in their looped ends 2a. 2b, casting the concrete around the rectilinear part of the reinforcements, removing the tension gear when this concrete has set and then casting the concrete forming the ends 23a, 23b of the member and embedding therein the looped ends 2a, 2b. The looped ends may be coated to avoid adhesion to the concrete and additional reinforcements 24 or 25 may be provided. The concrete forming the ends of the member may be made from expansive cement. The Specification as open to inspection under Sect. 91 also describes the use of rigid blocks in conjunction with elongated ring-shaped reinforcements in the manufacture of pre-stressed concrete members, the blocks being placed within the looped ends of the reinforcements which are then tensioned by gear acting on wire ropes engaging in the rigid blocks or with members projecting therefrom. A series of moulds may be arranged in end to end relationship so that a number of members may be manufactured simultaneously using only one tensioning apparatus. This subject-matter does not appear in the Specification as accepted.
Patent GB-387979-A (GB)
Title: Improvements in luminous electric discharge tubes
IPC: F16D1/09
Filed: 1932-10-25
Abstract: 387,979. Discharge lamps. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London.-(Assignees of Patent- Treuhand Ges. fur Elektrische Gl³hlampen; 11, Ehrenbergstrasse, Berlin.) Oct. 25, 1932, No. 29861. Convention date, Dec. 17, 1931. [Class 39 (i).] The envelope of a lamp having a filling including one or more vapours of difficultly vaporizable metals and a rare gas or gas mixture consists of a double wall, the inner space of which contains the electrodes and the difficultly vaporizable metals the vapour pressure of which during operation is not in excess of 1 mm. while both spaces, which are in communication, contain the rare gas filling. It is stated that during operation the metal vapours remain in the inner space, particularly when the communicating passages are small apertures or slits, formed, for example, by leaving a space where the electrode leads pass through the inner envelope. Suitable metal vapours are' thallium, magnesium, zinc, cadmium, calcium, gallium, indium, bismuth, or antimony. Mercury or a mercury amalgam, at a pressure in excess of 1 mm., may be added. Thallium at a tube temperature of 600 C. emits a green light, zinc at 400 C. a blue, and magnesium at 400 C. a yellow-green. A combination of zinc and mercury, or thallium and mercury emits a light approximating to daylight, that given by the thallium-mercury combination being strongly actinic. The combination of magnesium and mercury yields a powerful ultraviolet light source.
Patent GB-1087544-A (GB)
Title: Improvements in or relating to the manufacture of polychlorinated ethylenes
Inventor: FREDERICKS PETER STUART
IPC: C07C17/158
Filed: 1964-07-28
Abstract: Trichloroethylene and perchloroethylene are made by reacting 1,2-dichloroethane and/or 1,1, 2-trichloroethane with chlorine in the vapour phase at 350-450 DEG  C. in the absence of a chlorination catalyst and in the presence of chlorination catalyst and in the presence of elemental oxygen or an elemental oxygen-containing gas in an amount of 0.2-3.0% v/v. of oxygen with respect to chlorine. The reaction may be effected in a fluidized bed of an inert material, e.g. sand.  The amount of chlorine used depends upon the starting materials and generally lies in the range 0.7 to 2.0 moles per mole of chlorinated ethane.  In the examples, small amounts of monochloroethane, carbon tetrachloride, tetrachloroethane and pentachloroethane are obtained as by-products.
Patent GB-1382380-A (GB)
Title: Method of forming a hemispherical socket
IPC: F16C17/10
Filed: 1973-06-25
Abstract: 1382380 Forging DORNIER SYSTEM GmbH 25 June 1973 [11 Aug 1972] 29994/73 Heading B3H [Also in Division F2] A hemi-spherical socket 6 for the spherical bearing end of a shaft is made by indenting the flat surface 2 of a precipitation hardening alloy block 1 using a spherical tool 3 of greater diameter than the bearing end to half the depth of the required socket followed by sizing using a further spherical tool (4), Fig. 2 (not shown), equal in diameter to the bearing end. The first tool 3 forms an indentation of diameter equal to the diameter of the bearing end. The second tool (4) may be a ball bearing replaced after use. The alloy may be copper-beryllium.
Patent GB-602704-A (GB)
Title: Improvements in or relating to electric secondary batteries
IPC: H01M10/28
Filed: 1945-11-09
Abstract: 602,704. Accumulators. FULLER, L., and SUDLOW, E. W. Nov. 9, 1945, No. 30024. Drawings to Specification. [Class 53] An accumulator having an alkaline electrolyte has the electrolyte absorbed in powdered magnesium hydroxide or the oxide or hydroxide of a metal of the alkaline earth group for example calcium oxide.
Patent GB-425326-A (GB)
Title: Improvements in or relating to fertilising salts
IPC: B01J2/30
Filed: 1933-10-31
Abstract: In treating fertilizing salts for preventing caking &c., by the method claimed in the parent Specification, the speed of coagulation or gel formation of the sols employed is accelerated by means of electrolyte solutions or sol solutions which accelerate gel formation.  According to examples, (1) a ferric hydroxide sol is saturated with the constituents of potassium ammonium nitrate, is treated with saturated ammonium sulphate solution to accelerate its speed of flocculation and is at once sprayed on to potassium ammonium nitrate which can then be stored and packed without caking; (2) potassium nitrate is treated with a ferric hydroxide sol the coagulation of which has been accelerated by the addition of ammonium sulphate.  Instead of ammonium sulphate other inorganic salts containing divalent or polyvalent anions may be used.  The coagulation of a hydroxide sol obtained from ferric chloride may be accelerated by the addition of a sol obtained from ferric nitrate or aluminium nitrate.  The Specification as open to inspection under Sect. 91 describes also modifications in which the substance which increases the speed of gel formation is sprayed onto the fertilizing salt either before or after treatment with the hydrosol.  This subject-matter does not appear in the Specification as accepted.ALSO:In treating fertilizing salts for preventing caking &c., by the method claimed in the parent Specification, the speed of coagulation or gel formation of the sols employed is accelerated by means of electrolyte solutions or sol solutions which accelerate gel formation.  According to example, (1) a ferric hydroxide sol is saturated with the constituents of potassium ammonium nitrate, is treated with saturated ammonium sulphate solution to accelerate its speed of flocculation and is at once sprayed on to potassium ammonium nitrate which can then be stored and packed without caking; (2) potassium nitrate is treated with a ferric hydroxide sol the coagulation of which has been accelerated by the addition of ammonium sulphate.  Instead of ammonium sulphate other inorganic salts containing divalent or polyvalent anions may be used.  The coagulation of a hydroxide sol obtained from ferric chloride may be accelerated by the addition of a sol obtained from ferric nitrate or aluminium nitrate.  The Specification as open to inspection under Sect. 91 describes also modifications in which the substance which increases the speed of gel formation is sprayed onto the fertilizing salt either before or after treatment with the hydrosol.  This subject-matter does not appear in the Specification as accepted.
Patent GB-850234-A (GB)
Title: A shaft sealing device
IPC: F01D11/04
Filed: 1957-09-26
Abstract: 850,234. Force-feed lubricating. SOC. ALSACIENNE DE CONSTRUCTION MECANIQUES. Sept. 26, 1957 [April 25, 1957], No. 30248/57. Class 12 (3). [Also in Group XXVI] Lubrication of the journal and throat bearings 38, 41 and 45, 47 respectively of a shaft 6 having an integral screw-pump 28 is effected by drawing lubricant from a container 32 to the pump which delivers into an annular space 33 around the shaft, from which lubricant is fed to the bearings by a channel 43. A cooling stream of oil is ejected on to a disc or frusto-conical baffle 57 from which it falls to the base of a shaft-sealing chamber 11 and, with oil drained from the bearings, is returned to the tank 32 into which a cooling coil 59 is introduced. The shaft 6 represents the driving member of the rotor 5 of a compressor disposed in a casing 2, and oil, mixed with gas leaking from the casing into the chamber 11, is separated and returned to the circulating system. Specification 825,852 is referred to.
Patent GB-1039888-A (GB)
Title: A method for producing gaseous and calcined products by the thermal decomposition of particulate raw materials
IPC: C01B32/50
Filed: 1963-07-09
Abstract: A particulate material is thermally decomposed in a multi-stage process in which a first bed of material is fluidized and decomposed by a heating gas, and each subsequent bed is fluidized and decomposed by the effluent gas from the previous stage, the raw material and product being separately added to and removed from each stage. Preferably each bed has a larger sectional area than the preceding bed. The process may be carried out in a multiple-bed reactor in which the beds are superimposed, or in a series of single-bed reactors.  Dust may be removed from the effluent gas by means of a cyclone.  The decomposition of NaHF2 into NaF and HF is exemplified; air, N2 or HF may be used as the initial gas, and the reactor may be made of or lined with Ni or "Monel" metal (T.M.).  Reference is also made to the decomposition of sulphide ores (using air, N2, or SO2), NaHCO3 (in a steel reactor) and CaCO3 or coal (in a refractory-lined reactor).
Patent GB-1243331-A (GB)
Title: Device for controlling throttle closure of internal combustion engines
Inventor: SKINNER ROBERT THOMAS JOHN
IPC: F02M19/12
Filed: 1967-06-30
Abstract: 1,243,331. Spray carburetters; throttle valves. JOSEPH LUCAS (INDUSTRIES) Ltd. Aug.16, 1968 [June 30, 1967], No.30293/67. Heading F1B. The final closing movement of a throttle valve is delayed by a dashpot 1 comprising a plunger 6 contacted by a lever 7 on the throttle valve spindle 8, and upon sudden release of the accelerator pedal the action of the dashpot is augmented by means 10, actuated by intake manifold suction. The means 10 comprises a wire wound around a drum 9 on the throttle spindle 8 and anchored at 11 and attached at the other end to a diaphragm 13 subject to intake manifold suction. The high manifold suction upon sudden release of the accelerator actuates diaphragm 13 to tighten the wire 10 around the drum 8 and slow up the closing of the throttle valve.
Patent GB-871531-A (GB)
Title: Improvements in and relating to fasteners
Inventor: FERNBERG ERIC BIRGER
IPC: F16B5/12
Filed: 1956-10-04
Abstract: 871,531. Stud, and socket fastenings; clips. F.T. PRODUCTS Ltd. Oct. 2, 1957 [Oct. 4, 1956], No. 30327/56. Class 44. A fastener comprises a single strip of resilient material having broad faces and relatively narrow edges, the strip being formed with an elongate hole 21 lying substantially along the broad faces of the strip and being bent along a lower transverse to the longitudinal axis to the form of a stud 26 and a base 30, the stud consisting of two limbs 28, 29 formed at one pair of adjacent ends to form a broad nose 27 and joined at the other pair of adjacent ends to the base, a said limb being formed in its external broad face with a convex snap engaging elbow 32 directed oppositely away from the other limb and the nose having its broad faces bowed about an axis approximately parallel to the longitudinal axis of that portion of the strip forming the stud. As shown the base is of hook-like shape. Each limb is formed with a said elbow 32 and the hole 21 extends the web and both limbs of the base. The fastener is made as claimed in Specification 871,533.
Patent GB-1534848-A (GB)
Title: Solar collector for solar heating system
IPC: F24S10/70
Filed: 1977-07-20
Abstract: 1534848 Solar heaters SOLAR ENERGY DYNAMICS CORP 20 July 1977 30438/77 Heading F4U A solar heater comprises a fibre-glass housing 10 provided with a thermally insulating base layer 11 of urethane covered by black roofing felt which supports a flat array of copper tubing formed with contiguous turns in the form of a spiral, which may have rectangular or elliptical coils. The array comprises an outer plurality of turns connected in series with an inner plurality of turns, the tubing in the outer turns 15a having a diameter which is greater than that of the tubing in the inner turns 15b. An inlet and outlet for heat transfer liquid are connected to the outer turn of the outer plurality of turns and to the inner turn of the inner plurality of turns, respectively. Copper sheets 20, 22 may be provided beneath portions of the array.
Patent GB-602975-A (GB)
Title: New condensation products of the anthraquinone series
IPC: C09B1/467
Filed: 1945-11-14
Abstract: 2,4-Dichloro-6-iodo-1,3,5-triazine is prepared by heating cyanuric chloride with potassium iodide in acetone solution. Specifications 205,525, [Class 2 (iii)], 375,056 and 421,591 are referred to.ALSO:Dyes are made by condensing a cyanuric halide with at least two molecular proportions of 5-amino-1,4-dibenzoylaminoanthraquinone, and, if desired, subsequently with ammonia or a primary or secondary amine.  The cyanuric halide may first or simultaneously be condensed with not more than one molecular proportion of ammonia or a primary or secondary amine.  The reaction may be carried out in presence of an acid binding agent or an aromatic hydroxy compound.  Amines specified are aniline, methylamine and 1-aminoanthraquinone.  The products dye cotton bluish-red.  In examples, 5 - amino - 1,4 - dibenzoylaminoanthraquinone is reacted with cyanuric chloride alone or, simultaneously or subsequently, with aniline, p-toluidine, monomethylaniline, ammonia, or 1-aminoanthraquinone, in presence of phenol with or without sodium bicarbonate, or of sodium acetate and cuprous chloride.  Also in examples, 5-amino-1,4-dibenzoylaminoanthraquinone is reacted with 2-anilino-4,6-dichloro-1 : 3 : 5-triazine in presence of phenol and sodium bicarbonate, and with 2,4-dichloro-6-iodo-1,3,5-triazine in presence of phenol.  2,4 - Dichloro - 6 - iodo - 1,3,5 - triazine is prepared by heating cyanuric chloride with potassium iodide in acetone solution.  Specifications 205,525, [Class 2 (iii)], 375,056 and 421,591 are referred to.