baber/WOPTO huggingface dataset:
Patent GB-1482740-A (GB)
Title: Cutters for grass and the like
IPC: A01D34/695
Filed: 1974-07-11
Abstract: 1482740 A cutter for grass or other vegetable growth BLACK & DECKER Ltd 11 July 1974 [12 April 1973] 17596/73 Heading A1F A cutter for grass or other vegetable growth comprises an impeller 3 for producing a downwardly directed air jet to form an air curtain of generally annular form when seen in plan, the impeller having an uninterrupted surface 4 located within the air curtain formed in use and a peripheral rim 7 which retains the air curtain within it, and a cutter blade 9 attached to the impeller 3. Two such cutter blades located in opposition to one another may be provided. The blades may extend radially inwardly either from a surface 5 of the impeller 3, or may extend radially inwardly or outwardly from the periphery of the surface 4. In another embodiment the annulari air curtain is produced by an axial flow impeller 12 which contains radially extending ribs 13 allowing air to pass in the direction as indicated by arrows (see Fig. 2). The impeller 12 includes uninterrupted surfaces 14 and 15. If the surface 15 is removed the surface 14 functions as the surface 4. Blades 17 extend radially inwardly from the peripheral edge of the impeller 12 or may be attached to the impeller 12 radially adjacent the inner edges of the ribs 13 and extend radially inwardly or outwardly. The impeller is connected to a shaft which is driven by a motor 1. Reference has been directed by the comptroller to Specification 929610.
Patent GB-743875-A (GB)
Title: Improvements in and relating to machines for purifying and grading cereals and other granular substances
IPC: B07B7/02
Filed: 1953-06-25
Abstract: 743,875. Sifting apparatus. ROBINSON & SON, Ltd., T., and ORMEROD, H. June 17, 1954 [June 25, 1953], No. 17599/53. Class 117. In a cereals purifier a reciprocating sieve 5, Figs. 3, 4, is divided by transverse partitions each embodying a duct 13, through which air is drawn from an exhaust chamber 7 and adjustable inlets 21 in the top thereof. The ducts are arranged to face the oncoming stock, their openings being capable of adjustment by movement of a pivoted bar 16 by a screw 19. Each partition comprises a dividing member 9 and a bottom member 10 forming a passage 11 therebetween, the member 10 being carried by a vertical member 12 extending nearly to the top of the exhaust chamber to form a channel 14. A further passage 15 behind member 12 communicates at one end with a common expansion chamber connected to the suction means. The partitions may be fixed or mounted to vibrate with the sieve.
Patent GB-1422064-A (GB)
Title: Treating aqueous silica sols
IPC: C01B33/143
Filed: 1973-04-12
Abstract: 1422064 Ultrafiltration E I DU PONT DE NEMOURS & CO 12 April 1973 [12 April 1972] 17682/73 Heading B1X [Also in Division C1] An aq. SiO 2  sol is prepared from an aq. sodium silicate soln. wherein during the sol formation the sol is contacted with a cation exchange membrane in contact with a strong mineral acid. The membrane may be in the form of a tube with a wall thickness of 0.005" and a diameter of 0.1". The membrane may be a sodium sulphonate derivative of a fluorocarbon vinyl ether polymer containing sulphonyl fluoride groups. The sol may be circulated at a temp. of 60-100C through a 52 tube bundle of length 15" in the form of a "U" dipping into a container filled with agitated acid.
Patent GB-709609-A (GB)
Title: A spindle for a textile spinning or twisting machine
IPC: D01H7/18
Filed: 1952-07-15
Abstract: 709,609. Spindles. NETELENBOS, W. J., OTGER, M., and ROBBENHAAR, J. G. July 15, 1952 [July 17, 1951], No. 17799/52. Class 120(2) A spindle is provided with members protruding from the spindle surface near the upper end thereof and adapted to guide a thread, said members being such that they overlap each other in a longitudinal direction of the spindle. As shown in Fig. 2, protruding parts 1 and 2 overlap each other by a distance "S" and in Fig. 4 there is a plurality of protruding members on each of two crown portions on the spindle 5. In a more simple embodiment there are only two protuberances spaced at 180 degrees apart on the spindle.
Patent GB-399285-A (GB)
Title: Improvements in conduit or electric cable racks
IPC: F16L3/223
Filed: 1932-06-24
Abstract: 399,285. Supporting cables and conduits. CUTHBERTSON, L. C., 73, Moss Road, Stretford, Manchester, and ASSOCIATED ELECTRICAL INDUSTRIES, Ltd., Crowr House, Aldwych, London. June 24, 1932, No. 17886. [Class 36.] A rack for supporting cables or conduits from walls, ceilings, beams, &c. comprises a body portion having means for securing it tc the wall &c. and carrying a cable receiving portion which is formed with a plurality of notches disposed in curved formation, the cables &c. being disposed in the notches and secured therein by flexible strapping or lashing means. In the construction shown in Fig. 1, a rack comprises an aluminium body portion 1 having arms 3, 4 formed integrally with a cable receiving portion which is in the form of a peripherally notched ring 2 of T-shape cross section. Cables 5 are secured in the notches by a flexible metal strap 6 having at one end a ring 7 for engagement with the arm 3, and at the other end a bolt 9 which is passed through a slot in the arm 4 and upon which is screwed a wing-nut 10. To permit adjustment of the strap 6, the arm 3 is provided with a plurality of recesses 8 in either of which the ring 7 may be disposed. To prevent injury to the cables a lead strip 15 may be disposed under the strap 6 and the edges of the cable receiving notches may be rounded. The rack is secured in position by a bolt which screws into a threaded hole in the body portion 1. In modified constructions, the head of the securing bolt is cast into the body 1 or the bolt may have a wood screw formed on it. In other arrangements the strap is tightened around the cables by a bolt which draws the ends of the strap together or the strap may be replaced by a wire lashing. Fig. 5 shows a construction wherein the body portion is formed as a screw threaded cylinder 21 upon which is mounted a nut 22 and a perforated plate 23 having hooked ends 24 to receive the ends of a strap 25. Rotation of the nut 22 causes the strap 25 to bedrawn tightly around the cables. In another construction the notched ring 2 screws on the cylinder 21. As shown in Fig. 10, cables 5 are secured to the ring 2 by a wire lashing 38 which extends around the cables and pegs 37. The ring 2 may be split so that a cable or conduit 41 may be carried in the centre of the ring. In another embodiment the pegs 37 are replaced by a single central peg.
Patent GB-618610-A (GB)
Title: Improvements in or relating to bimetallic billet and method of making same
IPC: B23K20/227
Filed: 1946-06-14
Abstract: 618,610. Making compound billets. SUPERIOR STEEL CORPORATION. June 14, 1946, No. 17905. Convention date, Sept. 6, 1945. [Classes 83 (ii) and 83 (iv)] Uniting by fusion, welding.-A bimetallic billet comprises a backing plate 2 of steel containing at least 0.30 per cent carbon and a facing 3 of stainless steel containing at least 10 per cent chromium joined by a layer 4 of steel containing not more than 0.15 per cent carbon. A fillet weld 10 is made by a welding rod of steel containing not more than 0.15 per cent carbon. The edges of the facing are welded to exclude air from the joint, which is sufficiently ductile to withstand heating and rolling of the billet without cracking.
Patent GB-1094115-A (GB)
Title: Method of and apparatus for ultrasonic boring of hard materials
Inventor: JAKHIMOVICH DMITRY FEDOROVICH
IPC: B28D5/02
Filed: 1965-04-28
Abstract: 1,094,115. Drilling. OSOBOE KONSTRUKTORSKOE BURO PO PROEKTORIVANIYU SREDSTV AVTOMATIZATSII I KONTROLYA I ELEKTROEROZIONNOGO OBORUDOVANIA. April 28, 1965, No. 17955/65. Heading B3C. [Also in Division H4] In a method of ultrasonic drilling or boring a rotating tool is subjected to ultrasonic vibrations which produce alternately transverse and longitudinal vibration of the cutting tool. An ultrasonic vibrator 1 is located in a rotatable spindle 3 and which has two electroacoustical transducers 5 and 6. The windings of the transducers are supplied from a high frequency alternating current source which produces longitudinal vibration of the tool 2 when the current supplied to each winding is in-phase, and produces transverse vibrations when the current to each winding is in phase-opposition. A two-channel acoustical concentrator 7 connects the two transducers 5 and 6, to the tool 2 which is mounted at the end of the concentrators.
Patent GB-121319-A (GB)
Title: Improvements in Devices for Connecting Ropes, Chains, Bands, or the like, and for similar purposes where Ready and Secure Means of Fastening, or Fastening and Tightening Up, and Rapidity of Unfastening are Desirable.
Inventor: LOUIS AUGUSTUS WILLIAM
IPC: F16G11/10
Filed: 1917-12-05
Abstract: 121,319. Schermuly, A. W. L. Dec. 5, 1917. Coupling.-Relates to devices for connecting ropes, bands, chains, shrouds, &c., on shipboard or other plaecs, or for securing awnings in position, such devices having means for tightening up the rope. The device consists of a hook-piece B, Fig. 1, having an eye b or other means by which the rope-end A is attached thereto. At the other end, the hook-piece is bifurcated, the parallel parts b<2> extending beyond the hook portion b<3>. By placing the loop d of the rope D on the hook b<3> and turning the hook-piece over, the rope ends become connected and the rope becomes tightened, as shown in Fig. 2. A cross-pin C holds the parts connected. On withdrawing the pin, the pull of the ropes will turn the hookpiece in the direction contrary to that stated above, and the fastening will be quickly undone, as there are no parts which will prevent the ready slipping of the loop d from the hook. Fig. 3 shows a modified arrangement, in which the rope A lies along the upper side of the hook b<3> and passes under the pin C. In this form, the mouth of the slot in the hook-piece is closed by the part c of the rope, accidental release of the loop d being thereby avoided.
Patent GB-463523-A (GB)
Title: Improvements in chain liquid pumps
IPC: F04B19/16
Filed: 1936-06-30
Abstract: 463,523. Chain pumps. DEAN, E. June 30, 1936, No. 18061. [Class 102 (ii)] In a pump of the type in which liquid is raised from a reservoir O<1> to a reservoir I by a chain C<1>, the chain passes through tubes J, I<1>, which extend into the upper reservoir. The chain passes round an upper sprocket D on a driving spindle G<1> and round a lower sprocket D<1>, loosely mounted on a spindle M, which, together with the tubes J, I<1> is carried by a casting L. A driving pulley loosely mounted on the spindle G<1> can be moved axially, by means of a fork E <1> and lever E, in order to engage pegs on the pulley with a disc on the spindle G<1>.
Patent GB-901813-A (GB)
Title: Improvements relating to washing machines
Inventor: VEARS JAMES ALFRED
IPC: D06F21/08
Filed: 1959-05-27
Abstract: 901,813. Washing-machines. A.E.I.-HOTPOINT Ltd. May 11, 1960 [May 27, 1959], No. 18097/59. Addition to 890,809. Class 138 (2). In a washing-machine as described in the parent Specification, the hot water is fed directly (through an inlet 1) into the zone 4 between a perforated container 3 and an outer tub 5, and the cold water is fed into the container 3 (through an inlet 2) or into the zone 4. An agitator may be located in the container 3, or the machine may be of the horizontal drum type.
Patent GB-530977-A (GB)
Title: Improvements in or relating to carding and condensing machines
IPC: D01G15/58
Filed: 1939-06-22
Abstract: 530,977. Carding, condensing, and drawing fibres. MATHERS, J. F. W., and WINDSOR, H. June 22, 1939, No. 18156. [Class 120 (i)] A condenser carding machine has means associated therewith for subjecting the condensed sliver to a preliminary drafting and for putting into the sliver during such drafting a false twist which automatically disappears or runs out at the final drafting rollers prior to the initially drafted and untwisted sliver being delivered directly to the condenser bobbins or other receiving device without any further twisting or spinning. As shown the slivers delivered from the condenser rubbers 1 pass between a pair of rollers 3, over a tension rod or roller 4, through a rotary twist tube 5 and between a pair of draft rollers 6 before being wound up on the condenser bobbins 7. The rollers and twist tube are driven through belt gearing from the condenser carding machine.
Patent GB-751551-A (GB)
Title: Production of iron and steel and composition therefor
IPC: C22C33/00
Filed: 1954-06-22
Abstract: In a method for the production of iron and steel as in Specification 718,750 by the addition to the melt of a composition containing a rare earth oxide and a reducing agent, the composition also contains an alkaline reacting material.  The alkaline reacting material may be an oxide, carbonate or hydroxide of calcium, magnesium, barium or strontium or a carbonate or bicarbonate of sodium or potassium and should form 0,25-20 per cent by weight of the composition.  The production of steels of the following percentage analyses: .C.0,27.0,43 .Mn.1,04.0,85 .S.0,042.0,01 .P.0,03.0,017 .Si.0,31.0,24 .Ni.1,12.0,28 .Cr.1,05.0,42 .Mo.0,5.0,08 .Cu.-.0,16 .Sn.-.0,01 .Fe.the remainder.  is referred to
Patent GB-807715-A (GB)
Title: Improvements in or relating to method of concentrating potash ores
IPC: B03C7/00
Filed: 1955-06-24
Abstract: 807,715. Treating ores. INTERNATIONAL MINERALS & CHEMICAL CORPORATION. June 24, 1955 [July 30, 1954], No. 18306/55. Class 82(1) Potash ore is comminuted (12), washed (20), in a substantially non-aqueous liquid which is volatile so as to be non-residue forming and in which the ore constituents are substantially insoluble, dried (23), selectively induced (31), to accept an electric charge, and subjected to electrostatic separation (32), to yield a sylvite (KCl)- rich product (35). Numerous suitable working liquids are listed such as liquid hydrocarbons, halogen containing and oxygen-containing dirivatives of hydrocarbons; amino, nitro, and halogen substituted aliphatic alcohols; unsaturated alcohols. ethers; esters of organic and inorganic acids; ketones; and mixtures of these. The examples refer to commercial grade ethyl alcohol, mixed methyl and ethyl alcohols. and trichlorethylene As described, the ore is ground and screened at stations 12, 14. 16 to a particle size between -24 and + 200 mesh and stored in bin 18. It is taken thence to washer 20 where it meets a counter flow of the volatile washer liquid supplied from stare 22, dried on belt 24 in oven 23 where the temperature is between 30C. and 300C. and preferably about 150C and conveyed shoot 31 which acts as a donor of electric charge. Thence the particles travel between the plates of an electrostatic separator 32 where the field is between 5,000 and 15,000 volts per inch, and the sylvite (KC1) being selectively more strongly negatively charged than the remainder, collects at 35; the halite (NaCl) being concentrated at 33. The donor shoot 31 may be lead, iron, zinc, aluminium, copper or tin. Wash liquid is recovered and purified at 28; whilst in the oven 23 preferably the pressure is less than atmospheric to accelerate the volatization of the wash liquid which is condensed at 26 and returned to store 22.
Patent GB-220615-A (GB)
IPC: G03B19/04
Filed: 1924-07-31
Abstract: 220,615. Optische Anstalt C. P. Goerz Akt.-Ges. Aug. 13, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Magazine hand cameras for roll films; lens fit. tings.-A box camera having a length not much greater than the focal length of the lens has a diaphragm slide 6 behind the concave inner surface of the meniscus lens 4, the convex surfacefacing outwards. The lens closes the aperture in the camera frame and may be mounted on the front wall 2 of the camera. In the construction shown this front 2 and a rear outer casing 3 are mounted on an inner frame 1 carrying the rotary disc shutter 5 and diaphragm slides 6 at the front. The frame 1 carries the film spools 7 in suitablerecesses and the rear portion 8 operates as an image-framing member. The film passes over rollers 9.
Patent GB-890727-A (GB)
Title: A compressed air operated free-piston engine used as an oscillation generator, more particularly for apparatus for winning and/or loading coal or the like
IPC: F01B11/06
Filed: 1958-06-09
Abstract: 890,727. Valve gear; compressed air engines. GEWERKSCHAFT EISENHUTTE WESTFALIA. June 9, 1958 [July 13, 1957], No. 18410/58. Addition to 836,422. Classes 122 (2) and 122 (3). The control slide valve 13 of a compressed air free-piston engine as claimed in the parent Specification is reciprocated by two pistons 15 acted upon by the fluctuating pressure in the air cushion chambers 18 of the free piston 11 and mounted in cylinders 16 which act as air cushion chambers serving to limit the movement of the valve and provided with control valves 23 in their end faces. The control valve 13 is mounted in a housing 12 and provided with discs 14 which control ports 22 leading to the free piston 11. The admission of air through one of the ports 22 to one side or the other of the piston 11 causes it to move and thereby force air in the opposite cushion chamber 18 to act, through a pipe 17 and non-return valve 23, upon the piston 15 at that end of the valve 13. The continued movement of this piston uncovers ports 24 in its cylinder 16, thereby allow. ing additional air to accelerate the piston. At the same time, air in the other cylinder 16 is exhausted through the corresponding ports 24 until they are masked by the piston, at which stage, because of the closure of the corresponding non-return valve 23, the air in that cylinder is compressed and acts as a cushion for the valve.
Patent GB-257560-A (GB)
Title: Improvements in the manufacture of prepared tar for roadmaking and the like
IPC: C10C1/00
Filed: 1925-05-21
Abstract: 257,560. Sensicle, L. H. May 21, 1925. Tar suitable for road-making is obtained from a by-product plant without distillation by collecting separately the part of the condensates rich in naphthalene or phenol, removing the latter substances, and mixing the residue with the remainder of the condensates, thus adjusting the composition of the tar. The tar or mixture of tars may be dehydrated before or after treatment by a method such as that described in Specification 257,024. The composition of the product may also be adjusted by admixture of tar distillate fractions such as anthracene or creosote oil or pitch.
Patent GB-966191-A (GB)
Title: Leather and skin fat-liquoring agents
IPC: C14C9/02
Filed: 1961-05-24
Abstract: Fat liquoring of leather or skins includes the application of the reaction product of an epoxidized organic compound containing at least one C10-C26 hydrocarbon chain, e.g. oils, glycerides, esters and squalene, and a polybasic inorganic acid such as phosphoric, sulphuric or boric acid.  Specifications 776,375, 932,300 and 951,271 are referred to.
Patent GB-1120741-A (GB)
Title: Building construction and residential building
IPC: E04B1/14
Filed: 1965-06-04
Abstract: 1,120,741. Laminates. G. H. WEINROTT. 4 June, 1965 [1 March, 1965], No. 18673/65. Heading B5N. [Also in Division E1] A prefabricated frameless building is constructed by interconnecting large (e.g. 12 feet by 40 feet) internally-framed wall, ceiling, floor and roof panels, each panel comprising inner and outer skins of asbestos or scarf-jointed plywood sheets secured to a peripheral timber frame and to spaced timber studs within the frame, the spaces between the skins being filled with adherent foamed polyurethane. One or both of the skins may be extended to provide rebates or grooves for nailed and glued joints between panels, using intermediate splines, sole plates, tie plates &c., Figs. 4-9 and 14 (not shown). The panels may incorporate window and door frames, plastics service pipes, and wiring, and may have appropriate external and internal cladding. When used as basement walls, the panels are coated with polyurethane sealer and polyester resins. Non-load bearing partitions are formed of modified panels having a layer of felt in addition to the foam plastics. In the building shown the wall panels are bolted to pre-cast foundation beams 23, and the pitched roof panels are supported by an open truss 90 surmounted by a box beam.
Patent GB-530549-A (GB)
Title: Improvements in and relating to apparatus for providing an artificial horizon
IPC: G01C19/44
Filed: 1939-06-27
Abstract: 530,549. Gyroscopic apparatus. SPERRY GYROSCOPE CO., Inc. June 27, 1939, No. 18682. Convention date, July 1, 1938. [Classes 97 (ii) and 97 (iii)] An apparatus for providing an artificial horizon comprises a damped long-period pendulum carrying the horizontal reference plane and freely suspended upon a support which is maintained in a substantially fixed attitude by gyroscopic means. As shown in Fig. 1, the hollow rotor 5 of a universally suspended selferecting gyroscope is spun by air jets resulting from the evacuation of an outer casing (not shown), and the gyro casing 7 supports a pendulum 23 on a gimbal system 24, 25. The pendulum has a spherical body portion situated within a spherical recess 22 in the casing 7, the intervening space containing a damping fluid such as oil. A balancing weight 28 on the casing 7 produces neutral equilibrium of the whole assembly, and pendulous shutters 20, 21 controlling air jets issuing from ports 19 erect the casing as described in Specification 393,695. A reference member 30 which may serve as a mirror and may be engraved with reticle lines is carried by the pendulum. In operation, the gyroscope maintains the pendulum support substantially horizontal so that rolling and pitching angular movements do not reach the pendulum, and the pendulum not being subject to the latitude and "speed" errors of the gyroscope, furnishes the horizontal reference plane. In a modification, Fig. 3, the artificial horizon is prevented from assuming errors due to lateral acceleration caused by a change of course. This is effected by cutting off the operation of the erecting devices 20, 21 and at the same time connecting the pendulum to the gyroscope case during the turning, a weight 43 being shifted as described below to compensate for the change in position of the centre of gravity of the assembly. The cutting off of the operation of the erecting devices 20, 21 may be effected by closing an air inlet valve manually or bv means of the movement of a turn indicator gyroscope. The interruption of the air flow to the erecting devices also causes a bellows 42 to lift the weight 43 into locking engagement with a collar 44 thereby arresting the pendulum and keeping the equilibrium of the whole assembly constant. The air used to spin the rotor 5 escapes through a passage 45 and diffusion chamber 46.