baber/WOPTO huggingface dataset:
Patent GB-1087283-A (GB)
Title: Lubricant grease
IPC: C08L87/00
Filed: 1966-03-15
Abstract: A fluorinated polymer mixture which is used as a lubricating grease comprises 5 to 50% by weight of a polymer of tetrafluoroethylene having a molecular weight of at least 2000 and containing at least 85% by weight -CF2CF2-units, and from 95 to 50% by weight of a perfluorinated polyether derived from hexafluoropropylene oxide and having a maximum volatility (defined) of 50% at 400 DEG  F. and a maximum pour point (defined) of 50 DEG  F.  The greases are useful at a wide range of temperatures e.g. above 400 DEG  F., and are inert to attack by a wide range of reagents.ALSO:A fluorinated polymer mixture comprises 5 to 50% by weight of a polymer of tetrafluoroethylene having a molecular weight of at least 2000 and containing at least 85% by weight -CF2CF2- units, and from 95 to 50% by weight of a perfluorinated polyether derived from hexafluoropropylene oxide and having a maximum volatility (defined) of 50% at 400 DEG  F. and a maximum pour point (defined) of 50 DEG  F. The perfluorinated polyethers are obtained by the methods described in Specifications 1,038,365, 1,035,574 and 1,000,802, and are oils preferably having molecular weights of 3000 to 13,000.  The polymer of tetrafluoroethylene may be a telomer of tetrafluoroethylene and trichlorofluoroethane.
Patent GB-613465-A (GB)
Title: Lathing
IPC: E04F13/04
Filed: 1946-04-13
Abstract: 613,465. Lathing. KARELIUS, A. C. April 13, 1946, No. 11416. [Class 20(iv)] A lathing includes a reinforcing fabric formed of two intersecting series of wires 15, 16 welded together, and a flexible backing member B interposed between them and having elongated openings 10 arranged end to end in staggered rows where the wires intersect, each opening being spaced by two wires 15 and one wire 16. In the form shown, the member B is of strong paper and the back wires 16 are stronger than the front wires 15 so as to provide areas of greatest resistance to troweling pressure s, Fig. 1. Thus, when plaster is applied, a raised reticulated pattern is formed on the paper B acting as an added reinforcement so as to avoid any continuous line of structural weakness through the plaster thickness, and the plaster is forced through the openings 10 to form keys 20, Fig. 7, supported at each end by a wire 15 and along their length by a wire 16. The lathing may be secured to studs or rafters M by tie members 18.
Patent GB-1262433-A (GB)
Title: Lead-acid accumulators
IPC: H01M10/10
Filed: 1970-03-10
Abstract: 1,262,433. Polymerizing in sulphuric acid. VARTA A.G. 10 March, 1970 [10 March, 1969], No. 11435/70. Heading C3P. [Also in Divisions C1 and H1] In an example acrylic acid is polymerized with methylene-bisacrylamide in 80% sulphuric acid using ammonium persulphate as initiator.
Patent GB-115210-A (GB)
IPC: A43B13/08
Abstract: 115,210. Hagerup, E. Jan. 2, 1918. Drawings to Specification Soles.-Wooden sole blanks are first rolled to crush the fibres, which extend longitudinally of the sole, then impregnated with train or other oil,. and afterwards pressed between rollers to the desired curvature. During the last operation, the upper surfaces of the soles are grooved transversely, to facilitate bending.
Patent GB-855668-A (GB)
Title: Improvements in or relating to low temperature liquefaction and fractionation of gaseous mixtures
IPC: F25J3/04
Filed: 1957-04-09
Abstract: 855,668. Cold separation of gas mixtures. AIR PRODUCTS Inc. April 9, 1957 [April 9, 1956], No. 11621/57. Class 8(2). Separation of relatively high boiling point impurities e.g. carbon dioxide and hydrocarbons from a gas mixture e.g. air undergoing rectification in a column 15, 16 after cooling in a heat exchanger 11 traversed by separated constituents is effected by expanding the so cooled mixture including the impurities in a valve 40 resulting in a sufficient temperature drop to precipitate the impurity in solid form and then separating the solids in alternating filter beds 70, 71 and adsorbing any dissolved impurities in beds 72, 73 either before or after the expanded mixture is fed to the rectification column. As shown in Fig. 1 the impurity removing beds precede the column 15, 16 and the off-stream filter bed of sintered metal powder is cleared by a reverse flow of warm nitrogen leaving path 38 of exchanger 11 and traversing a line 90 one or other of changeover valves 92, 93 one or other of changeover valves 96, 97 and an outlet 98. The off-stream adsorbent bed of silica gel is reactivated by part of said warm nitrogen stream flowing in the same direction as the gas stream undergoing purification and which is exhausted to atmosphere through one or other of valves 100, 101 and an outlet 102. The expansion valve 40 may be accompanied by an auxiliary valve 40A in parallel. In a modification the expanded mixture including the impurities passes to the high pressure section 15 of the column and crude liquid oxygen from the base traverses the filter 70, 71 and adsorber 72, 73.
Patent GB-649950-A (GB)
Title: Improvements in or relating to air compressors
IPC: F04B35/04
Filed: 1948-04-28
Abstract: 649,950. Compressors. JOHO, O. April 28, 1948, No. 11628. [A Specification was laid open to inspection under Sect. 91 of the Acts, Nov. 18, 1948.] [Class 8(i)] An air compressor effecting alternate increase and decrease of pressure, comprises two cylinders 8 mounted on the end of an electric motor 2 and containing hollow pistons 9, 10 actuated by means of levers 26, 27 pivoted at 28, 29 and bearing on a double rise cam 25 secured to a shaft 24 which is driven through gears 22, 23 from the shaft 19 of the electric motor 2. The pistons surround plugs 11 supported by heads 12 and having therein air ports 13 connected to hoses 14. Compression springs 21 abut the heads 12 and pistons 9, 10. A similar compressor may be mounted on the other end of the motor.
Patent GB-927573-A (GB)
Title: Improved heat-exchange assembly
Inventor: MCKAY GORDON
IPC: F28F21/00
Filed: 1960-04-01
Abstract: 927,573. Heat-exchanger tube assemblies. ESSO RESEARCH ENGINEERING CO. Feb. 10, 1961 [April 1, 1960], No. 11629/60. Classes 99(1) and 99(2). A heat-exchange assembly includes a heatexchange tube 21 of glass or alumina material of substantially constant bore and having an external lip 22 at one end thereof, a first end plate 23 adapted to support the lipped end of the tube and a second end plate 24 adapted to support the tube at the other end thereof whereby the tube is slidably mounted in the second end plate. As shown in Fig. 3, four tubes 31 are secured in position by a washer 34 bearing against the lips 32 of the tubes and fixed to the plate 33 by a screw 35; asbestos packing 25 is inserted between the tubes and the apertures in the plates.
Patent GB-632698-A (GB)
Title: A method of treating tall oil in order to separate therefrom a fatty acid fraction as distillate
IPC: C11B13/00
Filed: 1947-05-01
Abstract: Tall oil is treated with a dienophile, viz. a compound having at least one double bond and at least one activating group such as chlorine or hydroxyl and which forms adducts with the rosin acid fraction of the tall oil.  The product, from which precipitated adducts may be first separated, is then subjected to high vacuum unobstructed path distillation to give a distillate of the fatty acid fraction and a residue of adduct and unsaponifiable material. Examples of dienophiles are maleic anhydride, quinone, anthraquinone, allyl chloride, maleic acid, itaconic acid, aconitic acid, acrylic acid, acrylonitrile, crotonic acid, isocrotonic acid, methacrylic acid, tiglic acid, acetylene dicarboxylic methyl ester, vinyl acetate and esters of maleic and fumaric acids such as dimethyl maleate or fumarate.  In examples, tall oil is treated with (1) maleic anhydride; (2) itaconic acid; (3) aconitic acid; and the respective products distilled in a molecular still.  The fatty acids fraction may be used as industrial fatty acids for various purposes, e.g. in alkyd resins, soaps, lubricating greases, surface-active agents, polishing and buffing compounds, candles, cosmetics, driers and rubber goods.ALSO:Tall oil is treated with a dienophile, viz. a compound having at least one double bond and at least one activating group such as chlorine or hydroxyl and which forms adducts with the rosin acid fraction of the tall oil.  Precipitated adducts may be separated from the product before its distillation to obtain fatty acids, remaining adduct being in the still residue together with unsaponifiable material.  Examples of dienophiles are maleic anhydride, quinone, anthraquinone, allyl chloride, maleic acid, itaconic acid, aconitic acid, acrylic acid, acrylonitrile, crotonic acid, isocrotonic acid, methacrylic acid, tiglic acid, acetylene dicarboxylic methyl ester, vinyl acetate, and esters of maleic and fumaric acid such as dimethyl maleate or fumarate.
Patent GB-1336373-A (GB)
Title: Pharmaceutical composition
IPC: A61K9/50
Filed: 1971-04-27
Abstract: 1336373 Antacid compositions WILLIAM H RORER INC 27 April 1971 [28 April 1970] 11705/71 Heading A5B Pharmaceutical compositions comprising particles of an antacid material (A) coated with a non-toxic and water-insoluble oil (B) which is inert to the material (A) and improves the palatability and taste characteristics of the composition, the ratio of oil (B) to material (A) being within a range of 1:5 to 1:1000 by weight, may be prepared 'by coating particles of (A) with (B). The antacid material may be aluminium hydroxide, aluminium hydroxycarbonate, aluminium magnesium glycinate, aluminium oxycarbonate, aluminium phosphate, bismuth subcarbonate, bismuth subnitrate, calcium carbonate, calcium phosphate, dihydroxyaluminium aminoacetate, glycine, magnesium aluminate, magnesium carbonate, magnesium hydroxide, magnesium oxide, magnesium trisilicate, sodium bicarbonate and/or sodium carbonate; and the oil may be almond, coconut, corn, cottonseed, linseed, hydrogenated castor, olive, palm, peanut, persic, sesame or soybean oil, liquid petrolatum and/or olein. The compositions may be in the form of powders, granules, tablets, chewable tablets or suspensions.
Patent GB-289066-A (GB)
IPC: E01C19/10
Filed: 1928-04-21
Abstract: 289,066. Zacharias, L., and Kl³glich, E., (trading as Oppermann & Deichmann). April 22, 1927, [Convention date]. Tar macadam, plant for making.-Apparatus for making paving mixtures comprises one or more stationary tar or like drums a fitted with rotary stirrers and one or more drying drums b for sand or the like, the drums being heated by gases from a furnace c and the whole being mounted on a single vehicular or stationary frame. In the form shown, an elevator g feeds the sand to the dryer from which it is taken by an elevator d to storage bins f fitted with rotary valves or feed rollers h to pass the dried sand into the tar drums a.
Patent GB-118063-A (GB)
IPC: C01F7/46
Abstract: 118,063. Mineral Products Corporation, (Assignees of Hornsey, J. W.). Aug. 11, 1917, [Convention date]. Alumina.-Impure alumina resulting from the calcination and leaching of alunite is purified by mixing it in a finely divided condition with water to form a pulp and subjecting the pulp to a flotation process in any suitable apparatus such as a Callow, Hoover, or Janney cell, with or without the use of a frothing agent, such as oleic acid.
Patent GB-109281-A (GB)
Title: Improvements in or relating to Carburettors for Internal-combustion Engines.
Inventor: SMALL HELEN MAUD
IPC: F02M19/03
Filed: 1917-02-20
Abstract: 109,281. Small, H. M. Feb 20, 1917. Spray carburettors.-The outlet H from the suction nozzle through which the fuel passes before atomization takes place is in the form of an unobstructed perforation in a fixed plate P of not more than 4/100 in. thickness. The faces of the plate are free from projections, recesses, or corrugations in proximity to the orifice, and no streamdirecting means are provided. Where a compound nozzle is employed comprising two or more nested nozzles of the kind described above, the distance between the plates of the nozzles is approximately equal to the diameter of the outlet H.
Patent GB-636450-A (GB)
Title: Improvements in or relating to electric blasting fuses
IPC: F42B3/12
Filed: 1948-04-30
Abstract: 636,450. Electric blasting-fuzes. LOWE, A. J., CALDWELL, A. M. U., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. April 30, 1948, No. 11876. [Class 9 (i)] Relates to fuzes for blasting- cartridges in which a gas which does not support combustion is confined under pressure with a combustible gas-producing heating charge in a container having a sealing device yielding at a predetermined pressure. The invention consists in providing an electric fuze-head comprising brass foils 2, 21 cemented to a press-board sheet 1, the foils being connected by a resistance wire 4 about 1 mm. long and 0.025 mm. thick, bridging a stepped portion 3 of the foil 2 and the press-board. Furthermore, a bead 6 is built up around the bridged ends of the foils, by drying successive coats of a paste formed by mixing potassium perchlorate and dinitrosopentamethylene-tetramine in the proportions 3: 1 by weight in a 5 per cent solution of nitrocellulose in an amyl-acetate/amyl alcohol mixture and subsequently applying two coats 11 of collodion. Insulated leading wires 7, 7<SP>1</SP> are soldered to the foils and the bead protrudes from a cast sulphur filling 10 in a paper tube 9. It is stated that the bead will not ignite while the fuze is exposed to atmospheric pressure even when a current sufficient to fuse the wire 4 is applied, but when in contact with a gasproducing charge in a blasting apparatus, as described in Specification 480,330, charged with CO 2  at a pressure of 55 atmospheres, a current less than that required to fuse the wire will ignite the bead. Specification 560,227 also is referred to.
Patent GB-642408-A (GB)
Title: Improvements in or relating to electric ovens
IPC: H05B1/02
Filed: 1947-05-02
Abstract: 642,408. Automatic temperature control of heating resistances. BAKOVENBOUWVOORHEEN H. P. DEN BOER N.V. May 2, 1947, No. 11914. Convention date, March 7, 1946. [Class 38 (iv)] In an electric oven 4 two separate thermostats 16,20 are provided which control a magnet switch 6 for switching on and off the entire heating device, and a star-delta switch 28 is provided for disconnecting a portion of the heating device, or connecting it in series or parallel with the remaining portion. A three-phase alternating current network 1 supplies the oven through conductors 5 and the magnet switch 6, controlled by an energizing coil 10, the circuit of which is completed from a point 12 through contacts 15 of the thermostat 16, set at the required temperature of opera. tion, to one side of the coil 10 and through a switch 18 and contacts 19 of the thermostat 20, set at a lower temperature, or through the switch 18 and holding contacts 11, 17 of the magnet switch 6 to the other side of the coil 10. During baking a byepass switch 24 in parallel with the thermostat 20 is closed so that operation about the required temperature is maintained by the thermostat 16. After baking the switch 24 is opened and the oven remains switched on through the holding contacts 11, 17 and switch 18. When, however, the contacts 15 open, the holding circuit is broken and the oven cools down irrespective of the operation of thermostat 16 until it reaches the lower temperature at which thermostat 20 operates. It will then heat up again to maximum temperature despite the opening of contacts 19 of the thermostat 20, due to the action of the holding circuit which is completed when the thermostat 20 operates. The supply of energy to the top portion of the oven 26 and the bottom portion 27 is controlled by astar-delta switch 28.
Patent GB-1177605-A (GB)
Title: Flat Strip Coil.
IPC: H01F27/28
Filed: 1968-03-12
Abstract: 1,177,605. Inductors. METALLOXYD G.m.b.H. 12 March, 1968 [27 April, 1967], No. 11962/68. Heading HIT. [Also in Division H5] A coil for use, for example, in electrical induction heating comprises a spirally-wound parallel-sided flat strip 1.0 of copper or aluminium in which succeeding turns are progressively displaced in the axial direction so that the end faces of the coil have a part-spherical, frustroconical or other dished shape. The coil is first wound as a flat-faced disc, its outer end 15 being secured by adhesive or adhesive tape to the outermost turn 17 to prevent the coil unwinding and then deformed to its final shape. A coating 19 of solidifying varnish holds the coil rigid. Adjacent turns of the strip are insulated from each other by an interwound strip of insulating material or by a varnish or oxide coating on the strip. A connecting tag 13 to the inner end of the coil is obtained by bending down the inner end of the strip 10.
Patent GB-486567-A (GB)
Title: Constant-mesh gear-box
IPC: F16H3/08
Filed: 1936-12-04
Abstract: 486,567. Change - - speed gearing. ARMSTRONG SIDDELEY MOTORS, Ltd., and OLIVER, C. S. Dec. 4, 1936, Nos. 11986/37, (divided out of 486,532), and 1921/37. [Class 80 (ii)] ' Change-speed gearing comprises constantmesh gears 18, 19, 20 fast severally upon axially located nested sleeves 21, 22, 23 which rotate independently about a shaft 11 and carry dog clutch members 24 adapted to be engaged selectively by dog-ended nested sleeves 25, 26, 27 splined to rotate together and with a shaft 10. The shaft 10 has an inmost splined sleeve 28 with a dog end adapted to engage a dog end 29 of the shaft 11 selectively with the others. The dogs of at least one sleeve of each clutch are shaped for easy engagement. The shaft 11 may be the driving-shaft and carries a splined clutch 14 by which it may be connected to a lay shaft 12 through a pair 13. Specification 486,532 is referred to.
Patent GB-1049523-A (GB)
Title: Improvements relating to machines for the laminating of continuous webs together
Inventor: HILL DERRICK
IPC: B32B27/00
Filed: 1963-03-27
Abstract: 1,049,523. Laminating. WESTON-EVANS & CO. Ltd. June 23, 1964 [March 27, 1963], No. 12020/63. Addition to 1,049,521. Heading B5N. Apparatus for laminating a textile web to another web as described in Specification 1,049,521 includes a pin chain feed or clip chain feed for feeding the other web, which is of rubber foam or synthetic plastic foam to the laminating rolls.
Patent GB-568154-A (GB)
Title: Improvements relating to means for re-filling trenches with earth excavated therefrom, and for other earth removing, grading or levelling operations
IPC: E02F3/76
Filed: 1943-07-24
Abstract: 568,154. Road levelling. BOMFORD & EVERSHED, Ltd., and BOMFORD, D. R. July 24, 1943, No. 12059. [Class 107] [Also in Group XXI] In means for filling trenches with earth, and for other earth removing, grading or levelling operations, with a blade-like member 6 carried at the front of a frame 8 by which it may be connected to a tractor 7, the blade-like member has at or near its lower edge a spindle 9 carrying one or more rearwardly and forwardly projecting members 10, 10a, each member 10 forming a skid by the rocking of which the height of the member 6 may be varied, and each member 10a passing through a slot 6c in the member 6 to act as a tine ; the spindle 9 is adjusted, to move the members 10, 10a by means of a bifurcated rod 11 and a rotatable tube 13 with projections 13c co-operating with a slotted plate 14 to hold the parts. The frame 8 has on one or both sides a bracket 15 which may be adjustably connected to a perforated bar 16a on a chain 16 to check downward movement of the parts. The members 10, 10a may be integral with each other, or separate and, if desired, laterally separated.
Patent GB-564880-A (GB)
Title: Improved means for connecting doors to control spring and/or check devices
IPC: E05D7/08
Filed: 1943-07-24
Abstract: 564,880. Door-operating appliances. NEWMAN & SONS, Ltd., W., and ROLLASON, S. A. July 24, 1943, No. 12088. [Class 65 (i)] A door 2 is connected to a control spring and/or a check device 1 by a conical pin 3 on one part engaging a conical socket 4 on the other part, the pin having a transverse slot 8 to receive a key 7 mounted in slots in the socket. The socket is carried by an arm 9 and adjustable by a screwed rod 10.
Patent GB-313953-A (GB)
Title: Improvements in or relating to train controlling systems
IPC: B61L3/12
Filed: 1929-04-19
Abstract: 313,953. Siemens & Halske Akt.-Ges. June 20, 1928, [Convention date]. Addition to 294,444. T r a c k apparatus actuating signals on trains. - Train-carried apparatus as described in the parent Specification coacts with an iron core with a short circuited winding on the track to control the train apparatus. The coils 7, 8, on the train carried core 1 are adjusted so that normally the relay 5 is energized but, at a danger signal the relay 5 is de-energized. The train circuits are coupled by the coils 7, 8 and also either through the transformer 9 or by being connected in parallel across the generator 6.
Patent GB-683272-A (GB)
Title: Improvements in boxes or cases for containing cigarettes or other articles
Inventor: CHESHIRE WALTER THOMAS
IPC: A24F15/12
Filed: 1951-05-25
Abstract: 683,272. Boxes. MIDLAND UTILITIES, Ltd. May, 25, 1951, No. 12251/51. Class 18 The contents of a box are held against movement by a plate 19 which bears on them resiliently when the lid is closed. The plate 19 has lugs engaging the lid hinge pin, one lug 23 gripping the pin, the other end of which is secured to the lid by an arm 18. When the catch 14 of the closed lid is released, the lid springs open under the action of torsion induced in the pin by movement of the plate 19 relative to the lid.
Patent GB-948097-A (GB)
Title: Underground parking garage
IPC: E04H6/08
Filed: 1961-04-05
Abstract: 948,097. Mechanical garages. SILOPARK S.A. April 5, 1961 [April 6, 1960], No. 12264/61. Heading B8E. An underground mechanical garage consists of an upper storey or storeys served by an inclined rampway and lower storeys in which the vehicles are mechanically handled for storage in a conventional cellular arrangement of parking locations, the base area of the latter arrangement being less than that of the storey or storeys served by the rampway. In the example shown the rampway comprises the ramps 6, 6a extending respectively between ground level 0 and the upper underground storey 1 and between this storey and the next lower storey la. Beneath is the mechanicallyoperated garage structure 7, with its parking cells 2, extending over a base area less than that of the lower ramp-served storey 1a which in turn is less than that of the upper storey 1. The whole garage is accommodated above the lines 9 which define the limits of the region which can be excavated without damage to the foundations of existing buildings 3.
Patent GB-129478-A (GB)
Title: Improvements in Furnaces applicable for Heating Articles or Pieces.
Inventor: ALLIN GEORGE EDWARD
IPC: C21D9/00
Filed: 1918-07-29
Abstract: 129,478. Allin, G. E., and August, J. R. C. July 29, 1918. Metal-heating furnaces; charges, conveying.- A furnace for heating articles comprises two superposed flues 7, 8 through which pass the upper and lower runs of an endless conveyer. The side walls of the furnace have longitudinal apertures 9 bounded above and below by plates 10. The articles are fed by a drum rotated by a handle above the charging end and automatically discharged down a shoot 27. The furnace may be heated by solid fuel or oil, but a gas burner 23 is shown, below which is a deflecting plate 24 for protecting the conveyer, The conveyer has links 1, Fig. 4, with flat portions 11 to which are secured, by countersunk bolts, slabs 2 of compcsite cement. The slabs are wider than the links and ride at. their edges on metal-faced ledges provided above the upper plate 10, which ledges are curved at their ends and continue along the lower run of the chain. The top of the flue 7 may be inclined downwards towards the feed end of the furnace, to direct the hot gases on to the articles, or may have sloping serrations for the. same purpose.