baber/WOPTO huggingface dataset:
Patent GB-1442997-A (GB)
Title: Pressure die casting gooseneck
IPC: B22D17/04
Filed: 1973-01-20
Abstract: 1442997 Pressure die casting machines LUCAS ELECTRICAL Ltd 14 Jan 1974 [20 Jan 1973] 3040/73 Heading B3F [Also in Division F2] A gooseneck for a pressure die casting machine has two outlet conduits 12 and 13 for the molten metal. In use, the body 10 is partially immersed in a bath of molten metal and the end of one of the outlet conduits urged into a sealing relationship with a conduit leading to a die cavity by means of a member applying pressure to a block 16. The other of the said conduits is closed by a plug 17 or 18 and the metal forced into the die by a plunger moving within the chamber 11. In another embodiment, Fig. 3 (not shown), the outlet conduits extend in opposite directions, the conduit which is not in use being closed by the member applying pressure to the gooseneck in order to urge the other conduit into sealing relationship with the die cavity.
Patent GB-545232-A (GB)
Title: Improvements relating to electrically heated overlays, mattresses, pads, blankets and the like
IPC: H05B3/34
Filed: 1941-03-07
Abstract: 545,232. Electrically heated overlays. THERMALUX ELETRICAL PRODUCTS, Ltd., and SYKES, A. March 7, 1941, No. 3104. [Class 39 (iii)]  In an electrically heated overlay such as that described in Specification 400,301, [Group XXXVI], the heating element A consists of enamelled wire coiled'on a cord B threaded through open-ended conduits formed by sewing lengths of tape C to a canvas backing D. The exposed parts of the element are covered by a strip of material E sewn to the backing around the edges, and between the tapes. Two padded outer covers H, H<SP>1 </SP>are added and are secured around, the edges by a stitched binding K. The stitching of the upper cover H is discontinued at k' to form a flap H<SP>2</SP>, which normally lies within and is covered by a strip H' of the same material as the outer cover. The strip H<SP>3</SP> is secured by stitching or press studs at M. Access to the heating element and any internal fitting such as a thermostat is obtained by disconnecting the securing means at M, drawing back the flap H<SP>2</SP>, and lifting the strip E.
Patent GB-1502591-A (GB)
Title: Process for preparing tetrahydrofuran
IPC: C07D307/08
Filed: 1977-01-26
Abstract: 1502591 Preparation of tetrahydrofuran MITSUBISHI CHEMICAL INDUSTRIES Ltd 26 Jan 1977 [4 Feb 1976] 03212/77 Heading C2C The invention comprises a process for preparing tetrahydrofuran by dehydrocyclization reaction of 1,4-butanediol in the presence of an acid catalyst, in which 1,4-butanediol and a non-volatile acid catalyst are reacted in a reaction zone at a temperature above the boiling point of an azeotropic mixture of water and tetrahydrofuran and below the boiling point of 1,4-butane diol, a vapour mixture of water and tetrahydrofuran from said reaction zone is continuously taken from said zone and supplied to a first distillation column maintained under a pressure lower than that in said reaction zone; an azeotropic mixture of water and tetrahydrofuran is distilled out and said distillate supplied to a second distillation column maintained under a pressure higher than that in the first distillation column by 3 to 20 kg./cm.<SP>2</SP> gauge, an azeotropic mixture of water and tetrahydrofuran is distilled and recycled to the first distillation column while recovering tetrahydrofuran from the bottom of the second distillation column.
Patent GB-673139-A (GB)
Title: Organo-silicon compounds and processes for their manufacture
IPC: C07F7/12
Filed: 1950-02-08
Abstract: Organo siloxanes are prepared by the hydrolysis and condensation of compounds of the general formula R(R2SiCH2)xSiRY2, wherein each R is an alkyl or monocyclic aryl radical, each Y is an alkoxy radical or halogen atom, and x is 1 or 2.ALSO:The invention comprises organo silicon compounds of the formula R(R2SiCH2)xSiRY2, wherein each R is an alkyl or monocyclic aryl radical, each Y is an alkoxy radical or halogen atom, and x is 1 or 2, a method of preparation for the above compounds by reacting an alkali metal with compounds of the formula XCH2SiRY2 and R3Si(CH2SiR2)nX in the liquid phase, wherein each R is an alkyl or monocyclic aryl radical, each Y is an alkoxy radical or halogen atom, X is a halogen atom and n is 0 or 1, and a method of preparation for the compounds R3SiCH2SiRX2 by reacting a compound of the general formula X2RSiCH2SiRX2 in the liquid phase with a compound RMgX, wherein each R is an alkyl or monocyclic aryl radical and each X is halogen, the latter compound being employed in a proportion of between 1.5 and 2.5 mols. of the former.  The group R may be from methyl to octadecyl, phenyl or tolyl.  The group X may be chlorine or bromine.  In the examples the following compounds are prepared: (CH3)3SiCH2SiCH3 (OC2H5)2, (CH3)2C6 H5SiCH2SiCH3(OC2H5)2, (CH3)3SiCH2SiCH3Cl2, Cl(CH3)2SiCH2Si(CH3)2Cl, and (CH3)3SiCH2Si (CH3)2CH2SiCH3(OC2 H5)2. In a further example the compound (CH3)3SiCH2SiCH3 (OC2H5)Cl is prepared by reacting (CH3)3SiCH2 SiCH3(OC2H5)2 with acetyl chloride.  Speci fication 672,824 is referred to.  Organo silicon compounds of the formula XR2SiCH2SiR2X, where R and X have the above significance, may be prepared by the method of Specification 624,551.ALSO:Foam inhibiting agents for aqueous systems containing organic materials comprise organo silicon compounds of the formula R(R2SiCH2)xSiRY2, wherein each R is an alkyl or monocyclic aryl radical, each Y is an alkoxy radical or halogen atom and x is 1 or 2.
Patent GB-584123-A (GB)
Title: Means for connecting parts of flexible material
IPC: F16B5/02
Filed: 1946-02-01
Abstract: 584,123. Bolted joints. LYON, M. J., AGET, E., LOUCHARD, M., and GUILLOTEL, G. Feb. 1, 1946, No. 3219. [Class 83 (iv)] Relates to bolted joints for endwise connection of relatively thin parts, such as elements of aeroplane wings and fuselages &c. one or both of which are wooden, and consists in securing a tapped strip c, which may be curved, to the edge of one element d by a series of glued and overlapped strips a secured to one wall a' and bent over the strip c which is preferably further secured by a further series of strips b glued to the other wall b <1>. In the example shown, the other element is a thin metal sheet e with an attached angle member f through which screws 1 pass into the strip c. The strip may be channelled out between the holes or may be replaced by a series of separate nuts. When two members as d are to be connected, screws with right- and left-hand thread are employed. In applications where a weaker bond will suffice, a single series of strips a may be employed.
Patent GB-575042-A (GB)
Title: An improved machine for soldering the lids on large tinplate food containers and the like
IPC: B23K1/18
Filed: 1944-02-22
Abstract: 575,042. Soldering filled receptacles. CLARKE, D. H. Feb. 22, 1944, No. 3261. [Class 83 (iv)] A machine for soldering the tagger lids on tinplate containers comprising a rotatable work table and a support on which is mounted a swivelling arm carrying a soldering iron in such a position that the bit traverses round the edge of the lid when the turntable is rotated and also means for supplying solder to the bit, has near the top of the support a lever carrying a weight serving to hold the lid in position on the container, the lever having springs for maintaining the weight in raised position after lifting it from the lid. The container 4 is placed on a table 3 rotated by belt and gearing from a motor 18. On the base is mounted a pillar 16 on which is mounted a collar carrying a compound arm 7, 9, connected by swivel joints, the arm 9 carrying the soldering-iron 8 and being provided with a handle 11 so that it may be brought over the lid of the container. Near the handle is pivoted a trigger 10 which, through a Bowden cable 13, brings a slotted tube 14 through which solder wire passes against a positively rotated serrated wheel 15 so as to feed the solder to the bit through a flexible tube 12. The container is held on the table by a weight 5 carried by a lever 6 which may be held in raised position by springs 20 operating more or less over the dead centre so that the full effect of the weight is available for keeping the lid in position during operation. The soldering-iron may be electric or gas-heated and the trigger may be arranged to turn the wheel 15 by a pawl-and-ratchet, the tube 14 being permanently fixed in position close to the wheel. The wheel and tube in this case may be mounted on the arm 9.
Patent GB-1474882-A (GB)
Title: Alpha-aminomethyl-5-hydroxy-2-pyridinemethanols
IPC: C07D213/38
Filed: 1976-01-28
Abstract: 1474882 Hydroxypyridylethanolamines SMITHKLINE CORP 28 Jan 1976 [14 April 1975] 03311/76 Heading C2C Hydroxypyridylethanolamines are prepared by the following route R=H, Me, MeSO 2 CH 2 ; R 1 =C 3-5  branched alkyl, C 3-6  cycloalkyl, C 4-7  cycloalkylmethyl, R 3 R 4 PhCH 2 CR 2 CH 3 ; R 2 =H, Me; R 3,4 =H, OH (protectable by Bz in the isocyanide), OMe or R 3+4 =OCH 2 O), optionally followed by resolution and/or salt formation. Any suitable acid may be used for the hydrolysis, and Pd/C is the preferred catalyst in the final step (removal of al Bz groups present). The prepration of the starting materials and 5 - benzyloxy - 6 - chloromethyl - 2 - formylpyridine, 5 - benzyloxy - 2 - methylpyridine and its N - oxide, 5 - benzyloxy - 2 - hydroxymethylpyridine and its 0-acetate, and 3-hydroxy-6- hydroxymethyl - 2 - methylpyridine, its 3 - benzyl ether and the ether hydrochloride is described. The above compounds are selective bronchodilators, and may be administered in the form of pharmaceutical preparations containing them in association with a carrier.
Patent GB-249971-A (GB)
Title: Process for producing metal coatings on articles of aluminium and aluminium alloys
IPC: C23C18/16
Filed: 1925-02-05
Abstract: 249,971. Jirotka, B., and Consten. F. Feb. 5, 1925. Coating. - Metal coatings on articles of aluminium or aluminium alloys are obtained by immersing the articles in a hot alkaline bath containing salts, other than the cyanides or fluorides, of copper, nickel, cobalt, zinc, manganese, iron, chromium, lead, bismuth, silver, gold or tin and in addition potassium carbonate and bicarbonate alone or mixed with the corresponding salts of sodium. Water-soluble oxygen, liberating compounds such as a soluble chromate and glycerine may be added to the bath. In an example 25 gms. of copper sulphate, 25 gms. of potassium carbonate, 25 gms. of sodium bicarbonate and 10 gms. of potassium bichromate are dissolved in 2.5 litres of water. Instead of the potassium bichromate up to 25 gms. of a 3 per cent solution of hydrogen peroxide may be used. Mixed coatings may be obtained by using salts of the desired metals in the bath.
Patent GB-1287199-A (GB)
Title: New quaternary ammonium salts and their use in softening textile fibrous material
IPC: D06M13/46
Filed: 1970-01-23
Abstract: 1287199 Softening textiles BADISCHE ANILIN- & SODA-FARIK AG 23 Jan 1970 [25 Jan 1969] 3367/70 Heading D1P [Also in Division C2] A method for softening textile fibrous material, e.g. nylon, rayon, cotton, polyester or polyacrylonitrile materials comprises applying a compound of the formula: wherein R<SP>1</SP> is a C 15 -C 21  aliphatic hydrocarbon radical, R<SP>2</SP> is a methyl radical or a radical of the formula:  R<SP>4</SP> is a hydrogen atom or a methyl group, n is an integer from 1 to 10, R<SP>3</SP> is a radical of the formula: A and B each denote an alkylene radical of 2 or 3 carbon atoms, X and Y are each -NH- or -O-, m is zero or 1, and Z is an anion, as an aqueous liquor, e.g. solution or organic solvent solution and the material is freed from excess liquor and dried. The aqueous liquor preferably contains 0.1 to 30 g/l of the compound and has a pH of from 5 to 10. The drying is preferably carried out at from 80 to 100‹C. The substances may be applied together with crease-proofing resins, e.g. dimethylolurea, dimethylol propyleneurea, dimethylol ethylene urea or dimethyl glyoxal monourein.
Patent GB-291711-A (GB)
Title: Improvements relating to mangling and wringing machines
IPC: D06F45/18
Filed: 1928-02-03
Abstract: 291,711. Walton, I. Feb. 3, 1928. Mangles and wringers, driving- gear for.-Means for adjusting the tension on the primary chain of a double reduction chain driving gear of a mangling or wringing machine comprise a lever L provided with a central boss A on which the hand-wheel a<1> rotates, a hole b<1> at one end to receive a set-screw b screwed into a boss B projecting from the machine frame M and an elongated hole E at the other end through which passes a second set-screw d screwed into a second boss D on the machine frame. A screw G may be rotated in a tapped hole in a projection F formed on the lever and overhanging the boss D on which the screw G bears ; the lever then pivots about the set-screw b, its movement being limited by the engagement of the set-screw d in the elongated hole E.
Patent GB-431159-A (GB)
Title: Improvements in or relating to automatically-operated snap-action electric switches
IPC: H01H5/06
Filed: 1934-02-02
Abstract: 431,159. Snap-action switches. CECIL, J., 14, Wellington Lane, Calcutta, India. Feb. 2, 1934, No. 3463. [Class 38 (v)] An automatic switch, specially applicable to electric water heaters and adapted to be turned on when water flows and turned off when the supply ceases, comprises a wateractuated horizontal plate K pivoted at L and weighted at F, a lever J adapted to be rotated clockwise about a pivot U by the rising of plate K against the action of a spring V, a compression-spring link O arranged between the lever J and a lever R pivoted at Z and adapted to give a snap action to the lever R so that a rod R<1> carried by the lever moves upwards and actuates contacts into engagement with fixed contacts D. The reverse process occurs when the plate K descends. The lever J carries a weight T to assist the action.
Patent GB-433457-A (GB)
Title: Improvements in apparatus for playing a table football game
IPC: A63F7/06
Filed: 1934-02-03
Abstract: 433,457. Table games. RACKHAM, L., 93, Gainsborough Road, Liverpool. Feb. 3, 1934, No. 3563. [Class 132 (ii)] In a table football game apparatus of the kind in which the player figures move over a slotted board and are connected to operating means by supports passing through slots in the board, the supports are of wire bent to engage the slot so as to keep the shoulders of the figure square to the slot and at the lower ends are pivotally attached to the operating rods or wires. A spigot similarly mounted is provided to take a figure for a corner kick, and the goalkeepers are separately mounted for greater range of movement. The wire support D, Fig. 4, of the figure is doubly bent to engage the slot B and ends in a close coil d<1> in which the down-turned end f<1> of the operating rod F is located. The slots are mainly parallel to the sides of the board but have ends converging towards the opponents' goals, and in some cases sinuous parts to allow the figures usually to face the opponents' goals. For the " kick off " the centre forwards guide slots have short extensions b<2>, c<2>. The goal players' supports have double open bends f<2>, Fig. 9, to lie upon the board and a close bend f<3> Fig. 4, to limit the play forwardly, the transverse play being limited by a slot a<4> the width of the goal. For a " corner kick " a slot K, Fig. 5, is provided in each corner with a socket k<1 >underneath fitted to an operating rod and adapted to take one of the figures which is mounted so that it can be tipped from its usual position and mounted in the socket k<1>. In one form of the board each slot accommodates a single figure, but as shown in Fig. 5 slots b<3> and c<3> are provided with two figures which may be of the same or opposite sides. The field of play may be flat or as shown in Fig. 7 it may slope down from the ends towards the centre line. A bottom cover board A<1>, Fig. 7, may be provided with hinged flap ends H, which can be turned up when all the operating rods are thrust in, and a cover J is adapted to be slid over the sides and ends to enclose the whole apparatus.
Patent GB-325374-A (GB)
Title: Improvements in devices for opening eggs and separating the contents thereof
IPC: A47J43/14
Filed: 1929-02-02
Abstract: 325,374. Kramer, H., and Rossum, A. van. Feb. 2, 1929. Eggs, opening, and separating contents of.-A device for separating the white from the yolk of an egg comprises an outer vessel a having a concave bottom b and apertures h in its side, and a bottomless vessel e which fits within the vessel a and closes the apertures h. The egg is cracked on a cross piece g carried by the vessel e and the contents are poured into the compound. vessel. The vessel e is raised by a pivoted lever f, as shown, or in a modified form is totally removed, so that the white runs out through the apertures h and the yolk is retained in the bottom b. The apertures h are preferably T-shaped, to provide sharp-edged corners k, m which cut the skin on the white and facilitate its passage through the apertures.
Patent GB-707535-A (GB)
Title: Improvements in or relating to liquid density measuring equipment
IPC: G01N9/12
Filed: 1950-02-13
Abstract: 707,535. Density measuring apparatus. PRECISION THERMOMETER & INSTRUMENT CO. Feb. 13, 1950 [Feb. 18. 1949], No. 3602/50. Drawings to Specification. Class 97(3) [Also in Groups XXXV and XXXVIII] Samples of a liquid or slurry are continuously or intermittently circulated to a test chamber wherein the density is sensed by a totally submerged hydrometer plummet carrying the variable position core of a differential-transformer type pickoff. The output signal is corrected for temperature variation by addition of signals from a temperature sensitive resistor immersed in the fluid. The signal may be used for indicating, or controlling density by addition of make-up fluid. The construction of the plummet and sampling chamber is described in detail, Figs. 2-6 (not shown), a feature being the weighting of the plummet by four radially disposed chains attached to its base and a surrounding ring, whereby it is held central in the chamber.
Patent GB-229300-A (GB)
Title: Improvements in or relating to winches carried on motor vehicles for agricultural and like haulage operations
IPC: B61B12/10
Filed: 1925-02-10
Abstract: 229,300. Dubois, J., and Plantade, B. Feb. 13, 1924, [Covention date]. Anchoring apparatus.-In a motor vehicle carrying winding drums for agricultural purposes, sprags 16, having pivoted spiked feet, are connected to the lower ends of the vertical shafts of the winding-drums 6.
Patent GB-1181207-A (GB)
Title: Method for Manufacture of Sponge Iron
Inventor: VOSKOBOINIKOV VIKTOR GRIGORIEV
IPC: C21B13/00
Filed: 1968-01-25
Abstract: 1,181,207. Sponge iron manufacture. TSENTRALNY NAUCHNO - ISSLEDOVATELSKY INSTITUT CHERNOI METALLURGII IM I. P. BARDINA. Jan. 25, 1968, No. 3892/68. Heading C7D.  Sponge iron is manufactured by heating a charge containing one or more iron oxides and carburized iron that contains 25-40% C. as reducing agent. The carburized iron may be obtained by treating iron oxides and/or sponge iron (or iron powder obtained therefrom) with hydrocarbons, e. g. natural gas, at 850-950‹ C.; the by-product hydrogen may be used as atmosphere in the main reduction heating, e. g. at 1, 000‹ C. for 4-5 hours. The ratio of carburized iron to ore may be 1:3À3. Other reducing agents, e. g. anthracite or coke fines, may be included. The sponge iron obtained may be finally comminuted into iron powder.
Patent GB-690871-A (GB)
Title: Improvements in combined cigarette cases and pyrophoric lighters
IPC: A24F15/18
Filed: 1950-02-15
Abstract: 690,871. Combined cigarette case and lighter. BENEY, Ltd., and COALES, F. B. Jan. 3, 1951 [Feb. 15, 1950], No. 3910/50. Class 18. A pyrophoric lighter is attached to an end wall of a cigarette case so that by hinging the lighter relative to the case the lid of the case is released. The lighter has two spaced angled lugs 10 which extend through apertures in the end wall 7a of the case and are retained in position by a semi-elliptical spring 12 engaging between them and the wall of the case. A catch 14 is provided on the lid 8 of the case which engages with a projection 15 on the lighter and which disengage when the . lighter is pivoted against the action of the spring 12.
Patent GB-921594-A (GB)
Title: Improvements in and relating to door latches
Inventor: MCGRAIL BRYAN JOHN
IPC: E05B7/00
Filed: 1961-02-02
Abstract: 921,594. Door latches. EVERED & CO. Ltd- Jan. 16, 1962 [Feb. 2, 1961], No. 3914/61. Class 44. A door-latch controlling handle 4 is pivoted on an axis 7 parallel to the plane of the door 2 and mechanically coupled to a rotary latchcontrolling member 1 pivoted on an axis normal to the door. The mechanical coupling comprises a toothed wheel 25 co-operating with a mutilated crown wheel 21 on the handle 4.
Patent GB-696969-A (GB)
Title: Improvements relating to endless conveyors for dealing continuously with materials in bulk
IPC: B65G17/02
Filed: 1951-02-19
Abstract: 696,969. Endless conveyers. MITCHELL, F. G. Jan. 3, 1952. Feb. 19, 1951] No. 4021/51. Class 78 (i). In a conveyer of the kind comprising an endless chain of wheeled carriages 10 articulated to one another and arranged to run on rails 30, 31, and an endless belt 12 adapted to provide the actual carrier surface of the material being conveyed and on the loaded run to be supported by the chain, the chain is guided by pulleys 11 to be turned from the forward to return run and vice versa without lateral deflection, and the belt is carried beyond the ends of the upper run of the carriage chain on troughed idlers 13, and turned by pulleys 14, 15, 16, 17 into a return run below the return run of the carriage chain where it is supported on idlers 20. The pulleys 11 may be replaced by one large pulley or by a curved track. The idlers 13 are so arranged that as the end of the forward run of the belt is reached, the trough becomes shallower so as to permit the belt to lie flat against the periphery of the pulley 14. Each carriage comprises a frame 22 carrying at one end an axle 23 on which running wheels 24 are mounted and also a pivoted forked link 25 carrying a coupling piece 26 for engaging a complementary coupling piece 28 on an adjacent carriage. Dished cross plates 32 carried by bearers 33 upstanding from the carriages support the upper run of the belt 12. The chain of carriages is driven by creeper chains 35 carrying dogs 36 engaging the wheel axes 23.
Patent GB-984121-A (GB)
Title: A safety device for machines with rotating parts
IPC: F16C17/24
Filed: 1962-02-02
Abstract: 984,121. Bearings. LICENTIA PATENT-VERWALTUNGS-G.m.b.H. Feb. 2, 1962 [Feb. 10, 1961], No. 4067/62. Heading F2A. In a safety device for machines with rotating parts guided in bearings over which they slide having a lining 11 (Fig. 1) of bearing material where it faces a rotating part, with a groove 13 leading to the edge of the lining 11, the bearing support has a channel with an opening 24 at the bottom of the groove 13, and an hydraulic release device 4 is associated with the bearing 1 so that it supplies a liquid under constant pressure to the channel and actuates means to stop the machine, when the pressure of the liquid increases because of a decrease of the depth of the groove 13 due to the wear of the lining 11. In Fig. 1 the depth of the groove in the lining 11 is made equal to the thickness thereof allowed to wear away. In a modification (Fig. 3) the groove has two sections 131, 132 of different depth, the depth of section 132 being equal to the thickness of the lining 11 allowed to wear away during operation, whilst the section 131 is given a lesser depth, the channel opening into each of the sections at 241 and 242, and a contact pressure gauge 6 can operate an alarm, when the pressure of the supplied liquid increases after a layer of the lining corresponding to the section 131 has worn away. A flexible pipe 23 is used to connect the device 4 to the channel.