baber/WOPTO huggingface dataset:
Patent GB-1190697-A (GB)
Title: Improvements in and relating to Offshore Platforms.
Inventor: GRAHAM JOHN ROBEY
IPC: E02B17/02
Filed: 1968-07-13
Abstract: 1,190,697. Offshore platforms. GLOBAL MARINE Inc. 13 July, 1968, No. 33535/68. Heading E1H. An offshore platform, comprising a foundation unit 14 which is Wholly submerged, is anchored to the sea-bed and has a set of upwardly facing location points (e.g. rings. 37 with upwardly diverging conical faces), and a buoyant platform) unit 15 which can be floated (possibly with the aid of detachable buoyancy tanks 47) over the foundation, unit and lowered thereonto, the platform unit having corresponding parts (e.g. the conical lower ends 41 of the hollow columns 40) to mate with the location points, there being means to releasalbly secure the units together. The foundation unit 14 is secured to the sea-bed, e.g. by piles 25 secured in drilled holes 27 by non- shrinking cement. The columns 40 may house buoyancy tanks through each of which passes a rod rotatable by a handle at its upper end on the platform 45 and connected at its lower end to an internally threaded tube which engages an upstanding stud in part 17 of the foundation unit to form the releasable securing means. The platform unit may incorporate fenders 76, 77 and may be used as a drilling platform or as a meteorological or an oceanographic research station.
Patent GB-1502003-A (GB)
Title: Catalyst carrier method for preparing the catalyst carrier a catalyst containing the carrier and a hydrocarbon hydrodesulphurization process using the catalyst
IPC: B01J37/00
Filed: 1975-08-12
Abstract: 1502003 Porous alumina; catalyst composition CHEVRON RESEARCH CO 12 Aug 1975 [12 Aug 1974] 33619/75 Heading CIA [Also in Divisions B 1 and C5] A catalyst carrier consists of at least 77À3 wt. per cent of alumina, has less than 3% of its pore volume made up of pores of a diameter greater than 1000  and has a pore volume of at least 0À5 c.c./gm. of which at least 70% is made up of pores in the range 80-150 . The carrier may be made by: (A) mixing a particulate solid of particle size less than 500 Á comprising at least 80 wt. per cent of α-Al 2 O 3  monohydrate with an aqueous nitric or hydrohalic acid solution containing 0À05-0À20 equivalents of acid per formula weight of Al 2 O 3 ; (B) neutralizing at least some of the acid with a nitrogen base solution containing 0À6-1À2 equivalents of base per equivalent of acid employed in step (A); (C) shaping; (D) drying at 150-500 F.; and (E) calcining at temperatures in the range 500-1700 F.
Patent GB-526942-A (GB)
Title: Polymeric amides
IPC: C08G69/26
Filed: 1938-12-18
Abstract: 526,942. Polyamides. TRIGGS, W. W. (Du Pont de Nemours & Co., E. I.). Dec. 18, 1938, No. 33621. [Class 2 (iii)] Polyamides exhibiting solubility in lacquer solvents or heat-hardening properties, are obtained by heat treatment of approximately equimolecular quantities of a primary or secondary diamine and a dicarboxylic acid or amide-forming derivative of a dibasic acid, in which the sum of the radical lengths of diamine and dibasic acid ingredient exceeds 8, at least one of the reactants containing an unsaturated linkage of non-benzinold type. Heating is effected in the presence or absence of a solvent to a temperature of 100-300‹C., preferably 150-275 ‹C. The salt first formed may be separated and purified before heating to form the amide. Examples are given of the production of polyamides from decamethylenediamine and (1) fumaric, (2) maleic, (3) acetylene dicarboxylic, and (5) and (6) 1, 2 dihydronaphthylene 1.2-dicarboxylic and 1.4-dihydronaphthylene 1.4-dicarboxylic acids; and (4) from dihydro-muconic and ethylene diamine. Examples of other unsaturated acids and unsaturated diamines are also given. The products are suitable for preparing coating, impregnating, sizing, adhesive and moulding compositions. Specification 461,237 is referred to.
Patent GB-342725-A (GB)
Title: Improvements in or relating to endless tracks
IPC: B62D55/205
Filed: 1929-11-05
Abstract: 342,725. Endless track vehicles. FOOT, E. H. W., 10, Burkes Parade, Beaconsfield, Buckinghamshire. Nov. 5, 1929, Nos. 33653/29 and 190/30. [Class 79 (i).] In an endless track of the kind comprising a plurality of hinged plates the outer ends of the hinge pins b are hermetically sealed by gland packing chambers e formed at both ends of central lugs j of the track for the reception of onepiece bush caps a. The caps are pressed into the packing chambers by springs h which gradually force out the lubricant contained at the back of the caps and so prevent entrance of grit or moisture into the joint. The springs also prevent rotation of the caps. The links are formed with side walls d, l on which staggered rollers or bogie wheels can run, and the ends of these walls are curved to a radius greater than half the height of the walls so as to allow for turning movement as at n, Fig. 2. Modifications are described in which (1) each hinge pin b is secured to the central lugs j by a bolt, (2) spiral springs are enclosed in side lugs and press directly on the ends of the caps a, and (3) packing chambers are formed by making the pins of less diameter at their ends than in the middle. According to the first Provisional Specification the upper surface of the walls on which the rollers run is in the same plane as the centres of the hinge pins.
Patent GB-1122051-A (GB)
Title: Foundation garment
IPC: A41C1/00
Filed: 1965-08-05
Abstract: 1,122,051. Girdles. FLEXNIT CO. Inc. 5 Aug., 1965 [18 Nov., 1964], No. 33657/65. Heading A3V. A girdle, panty girdle or corselette includes at least one front panel and at least one rear panel, each being extensible in at least one direction, the front panel extending substantially the full height of the garment and having a generally centrally disposed insert which may be extensible or inextensible, is of less height than the front panel and extends downwardly from the waist portion of the garment, and panels and/or seams of greater extensibility than the front and rear panels to relieve the figure-controlling pressure these panels exert on the wearer. In the panty girdle of Fig. 1 two-way stretch front and rear panels 18 and (20) (Fig. 3) have inserts 14 and (36) respectively extensible only vertically and are connected to side panels 48 and to innerthigh panels 28 by zig-zag elastic seams 50, (52) and 54, (56) respectively. Further zig-zag elastic seams extend downwardly and inwardly from a waistband 40. In another embodiment, the side panels are omitted and the inner-thigh panels 28 are made of readily extensible fish-net material. In a further embodiment the inner-high panels are of similar material to the front and rear panels but side panels extending the full height of the garment are made of readily extensible fishnet material. In a still further embodiment the side and inner-high panels are omitted and extension 8 of the front and rear panels form long leg portions which are relieved by a series of spaced inserts of zig-zag elastic stitching encircling each leg. The girdle of Fig. 9 comprises front and rear fishnet panels 74, (76) (Fig. 11, not shown) on which stocking suspenders may be mounted. This feature is also applicable to panty girdles.
Patent GB-1471103-A (GB)
Title: Composite metal structures
IPC: C21D1/70
Filed: 1975-08-13
Abstract: 1471103 Bearings LABORATOIRE SUISSE DE RECHERCHES HORLOGERES and GUTEHOFFNUNGSHUTTE STERKRADE AG 13 Aug 1975 [28 Aug 1974] 33660/75 Heading F2A [Also in Division C7] The friction between two contacting metal parts in an oxygen free atmosphere is reduced by coating at least one part with hexagonal boron nitride. The coating may be applied as an aqueous or organic suspension comprising in per cent weight, 5-50 BN, 0À5-30 binder, 2-6 swelling agent and 50-95 liquid suspending medium, the coating being heated at 100- 500‹ C. for “-3 hours. In aqueous suspensions trisodium phosphate, sodium carbonate, sodium metasilicate or sodium metaborate may be used as binders and in organic suspensions the binder may be polymethylmethacrylate or polystyrene. The swelling agent may be sodium carboxymethyl cellulose and 0À5% sodium nitrite may be added as corrosion inhibitor. The organic suspending medium may be 40% methylene chloride, 30% acetone, 20% methyl ethyl ketone and 10% toluene. The process is used for coating Fe-Cr-Ni or Ni-Cr-Co alloys forming contacting surfaces in helium gas turbines and helium cooled high temperature reactors to prevent diffusion welding of the contacting surfaces.
Patent GB-412116-A (GB)
Title: Improvements in or relating to laminated springs
IPC: B60G11/04
Filed: 1933-12-01
Abstract: 412,116. Vehicle suspensions; laminated springs. TURTON & SONS, Ltd., T., Sheaf Works, Maltravers Street, Sheffield, and BROWN, E. F., Chesteynes, Langley Road, Slough, Buckinghamshire. Dec. 1, 1933, No. 33728. [Classes 108 (ii) and 108 (iii).] A compound vehicle-supporting spring comprises a main laminated spring a disposed below the vehicle axle h and an auxiliary laminated spring m disposed above the axle, the springs a, m being coupled together by an inverted U-section member c straddling the axle h and independently secured to both springs. Bentover flanges d on the member c locate U-shaped bolts e which clamp the member to the main spring by means of cross-plates g. The auxiliary spring is bolted between the top surface of the member and a plate k and when the load is sufficiently great, co-operates with flanged brackets o or flat projections on the vehicle frame b.
Patent GB-992882-A (GB)
Title: Method of making taper leaf springs
IPC: B21B45/00
Filed: 1963-08-26
Abstract: 992,882. Making leaf springs; bending; rolling; altering physical structure by mechanical treatment; working at specified temperatures. ROCKWELL-STANDARD CORPORATION. Aug. 26, 1963 [June 12, 1963], No. 33732/63. Headings B3A, B3E, B3M and B3V. In the manufacture of a leaf spring by taper rolling a blank and stress relieving the tension side, the latter is ground to remove surface imperfections, scale and oxide before stress relieving. For making a single or dual leaf vehicle spring, a flat steel blank 40, Fig. 1, is first ground on its tension side 44 by a grinding belt 46 or discs to provide a smooth flat surface. The compression side may also be ground or shot blasted. Blank 40 is then heated to 1200-2250‹ F. in an induction furnace having an inert atmosphere containing lithium vapour which sticks to the blank to prevent oxidation and also acts as a lubricant during taper rolling. This is effected in a die 58, Fig. 3, by a roll 62 pressed downwardly by a cam 64 which has longitudinal movement; the die may have a longitudinal cavity for preventing lateral spread. Both ends of the spring are rolled successively or two rolls may act simultaneously on both ends. In an alternative process the blank may be ground after heating and before rolling. Further grinding may also be performed after rolling. The rolled blank has a central hole formed by drilling or piercing, Fig. 4 (not shown), its two ends are heated simultaneously in gas furnaces 102, 104, Fig. 6 (not shown), and attachment eyes 108, Fig. 7, are then formed by rolls 110. After heating in a furnace to austenitizing temperature, the blank 65 is pressed between dies 74, 72, Fig. 9, and whilst under pressure immersed in quenching oil which produces a high percentage of martensitic structure. The blank is then tempered and afterwards peened under a stress of at least 75% of its yield stress by clamping it on a flat surface and throwing shot from wheels 77, 78 (Fig. 11) or from air nozzles. Reverse bending over a former, Fig. 12 (not shown) is then effected for presetting the spring after which it is inspected and checked for thickness, Fig. 13 (not shown) and immersed in a bath to provide a corrosion resistant coating, Fig. 14 (not shown). Specification 921,393 is referred to.
Patent GB-213948-A (GB)
Title: Improvements in and relating to fuels for internal combustion engines
IPC: C10L1/18
Filed: 1922-12-11
Abstract: Liquid fuel for internal-combustion engines consists of a considerable proportion of constituents boiling above 160 DEG  C., liquid hydrocarbon boiling below 150 DEG  C., a small proportion of an ether, and a sufficient proportion of a phenolic body to retain the ether in the mixture.  The heavier portions of crude petroleum, coal tar, brown coal tar, shale oil, shale tar, peat tar, and wood tar are specified as suitable materials of high boiling point; petrol, benzine, benzol, hydrogenated hydrocarbons such as those sold under the registered Trade Marks "Tetraline" and "Dekaline," and hydrogenated naphthols are suitable lighter hydrocarbons.  30-80 per cent of heavier oil, 3-8 per cent of phenol or cresol, and 2-10 per cent of methyl or ethyl ether are normally employed.  The ether and phenolic body may be first mixed to form molecular or addition compounds and added as such to the hydrocarbon.  If phenols are already present in the oil used the quantity added is correspondingly reduced.  In an example 60 litres of brown coal tar oil, 40 litres of benzine, 5 litres of ether, and 3-8 of phenol or cresol are used.
Patent GB-1487060-A (GB)
Title: Reinforcing elements
IPC: B29B15/00
Filed: 1976-08-13
Abstract: 1487060 Improving the bond between RFL adhesive and steel reinforcement elements MONSANTO CO 13 Aug 1976 [15 Aug 1975] 33810/76 Heading B2E An adhesive bond between an RFL organic adhesive and a steel or alloy steel reinforcing element for rubber articles is formed by a process comprising in sequence (a) immersing the steel or alloy steel reinforcing element in an acid- or base-containing aqueous bath for 3 to 25 seconds at 20 to 95‹C, (b) subjecting the element to a water rinse, (c) coating the element with an organosilane of the formula: where X is an amino, glycidoxy or aminoethyl radical and R<SP>1</SP> is an alkylene radical of 2 to 4 carbon atoms when X is an amino or glycidoxy radical and -HN-R<SP>3</SP>-, where R<SP>3</SP> is an alkylene radical having 2 or 3 carbon atoms, when X is an aminoethyl radical and where R<SP>2</SP> is an alkyl radical of 1 or 2 carbon atoms, (d) dipping the element in an RFL organic adhesive and thereafter (e) curing the adhesive on the surface of the element. The coated reinforcing elements are useful in the production of conveyor, heavy duty hoses, pulley belts and pneumatic tyres since an improved adhesion, particularly in moisturecontaining environments, to rubber is obtained. The acid bath may be of an aqueous acid such as sulphuric, nitric, hydrochloric, or phosphoric, which latter is especially preferred. The base-containing bath may be of sodium hydroxide, potassium hydroxide or calcium hydroxide. The acid bath preferably has a pH of 1 to 2.5 and that of the caustic bath is preferably 9 to 10.5. Suitable siloxanes are specified and preferred compounds are gamma-aminopropyl triethoxysilane, N-beta-aminoethyl gamma-aminopropyltrimethoxysilane and gamma - glycidoxypropyltrimethoxysilane The silanes may be applied from aqueous solution by spraying, dipping or brushing.
Patent GB-749883-A (GB)
Title: Improvements in or relating to pulse and saw tooth wave generators
Inventor: CLARKE CLIFFORD
IPC: H03K4/86
Filed: 1953-12-04
Abstract: 749,883. Pulse and sawtooth generating circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. July 22, 1954 [Dec. 4, 1953], No. 33832/53. Class 40 (6). In a pulse or sawtooth generator of the type in which a capacitor is charged from a source and periodically discharged through a gas-filled discharge tube when a first biasing voltage, applied to the tube is removed or neutralized, a second biasing voltage derived from the charge on the capacitor is also applied to the tube so that it cannot fire until the charge reaches a predetermined value. In this way the stability of the amplitude and repetition frequency of the generated pulse or sawtooth voltages is increased. The Figure shows a generator in which capacitor 14 is charged from the H.T. source at 1, which may comprise both an A.C. and D.C. component, via resistors 3 and 13 and is periodicallydischarged via thyratron 5. A portion of the voltage generated across capacitor 14 is applied to the first grid of tube 5 so that irrespective of whether the switch contacts 10 which supply bias from point 12 to the second grid of tube 5 are opened or closed the tube cannot fire until the voltage across capacitor 14 exceeds a predetermined value. An output pulse may be derived from resistor 15 via rectifier 18. Tube 22 which is controlled by contacts 28 may discharge capacitor 14 to generate an output pulse across resistor 15 of smaller amplitude to that generated on discharge of tube 5. -
Patent GB-907583-A (GB)
Title: Improvements in or relating to heat exchangers
IPC: F28D21/00
Filed: 1958-10-23
Abstract: 907,583. Fluid heaters. MARSHALLHOWLETT Ltd., and HOWLETT, W. H. June 22, 1959 [Oct. 23, 1958], No. 33872/58. Class 64 (1). Air or other fluid is heated as it flows through a casing 12 containing a series of hollow cylindrical elements 17, 18, 25 carrying hot combustion gases, the hollow elements being interconnected at different levels by ducts, the ducts at one level being angularly displaced with respect to ducts at a different level. In the form shown the hollow elements 18, 25 are coaxial and the ducts 23 interconnecting the elements 17, 18 at one level are angularly displaced with respect to ducts 24 interconnecting the elements 17, 25 at a higher level. The ducts 22, 26 connecting the heating gas inlet and outlet ducts 19 and 27 with the coaxial elements 18 and 25 are similarly displaced. The heating gases emanate from a preferably oil-fired combustion chamber 13 within the casing 12 and flow ultimately to a flue 28. Air is forced upwardly through the casing by a fan (not shown) to a heated air outlet 20.
Patent GB-506712-A (GB)
Title: Improvements in or relating to the cutting of bundles of artificial filaments into staple lengths
IPC: B08B9/36
Filed: 1938-11-22
Abstract: 506,712. Stapling continuous filaments. VEREINIGTE GLANZSTOFF - FABRIKEN AKT.-GES. Nov. 22, 1938, No. 33909. Convention date, Nov. 29, 1937. [Class 120 (iii)] In cutting bundles of artificial filaments into staple lengths by feeding them into a radial channel 3 in a rotating wheel 1 from the periphery of which they emerge by centrifugal force and are there cut by a knife bearing against the periphery of the wheel; the knife is pressed against the edge of the wheel by a spring or like resilient means and is mounted on a pivot. which is slidably arranged in a stationary part of the frame carrying the shaft of the rotating wheel and is moved up and down so that the knife comes in front of the exit of the channel only at every two or three revolutions of the wheel, so that staples of varying length may be obtained. As shown, the knife 5 is carried by a pivot 6 journalled in a fixed part 13 of the machine frame and carried in an arm 7 having a hub 11 in which is mounted a block 12 revoluble in an endless spiral groove 10 in a bush 9 fixed to the shaft 8 of the centrifugal wheel I ; the periphery of the wheel is widened for engagement by the knife when it is lowered from the exit of the channel 3 and an arm 14, keyed to the pivot 6 and connected by a rubber, band or a spring with the part 13, holds the knife resiliently against the periphery of the wheel. Specification 289.02S, [Class 120 (iii)], is referred to.
Patent GB-1014261-A (GB)
Title: Improvements in or relating to oil or gas firing
IPC: F23D14/72
Filed: 1964-08-20
Abstract: 1,014,261. Controlling burners. HENSCHELWERKE A.G. Aug. 20, 1964 [Sept. 2, 1963], No. 34060/64. Heading F4T. The fuel supply to a gas or oil burner is controlled by an electromagnetic valve 8 energized by a mercury switch mounted on a pivoted flap 4 in the air passage to the burner. The dynamic pressure of the air holds the flap in a position which closes the mercury switch. The switch may be mounted on a separate lever connected by a link to the flap 4. Weights or a spring may be provided on the flap 4 to adjust its sensitivity.
Patent GB-655956-A (GB)
Title: Improvements in and relating to power transmission devices
IPC: F16H1/28
Filed: 1947-12-23
Abstract: 655,956. Actuation of switches; switch cases. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 23. 1947, No. 34066. Convention date, Dec. 27, 1946. [Class 38(v)] [Also in Group XXIV] A torque-limiting power transmission comprises a gear train 5, Fig. 1, interconnecting a driving pinion 2 and a driven ring gear 4 or spur gear, and mounted on a carrier 9 which is rotatable under torque in ball bearings 11 in a stationary casing 10 against the resilient restraint of leaf springs 19, Fig. 3, on a cylindrical extension 16 of the carrier and co-acting with an elliptical cam 13. on the casing. One end of each spring 19 is secured to the member 16 and the other works in a slot 23 therein, the length of which is such as to secure the desired characteristics for the device. Springs on the casing and a cam fixed to the member 16 may be used. In operation, the springs 19 ride up from the low points of the cam 13 as shown in Fig. 3, and if a torque surge is temporary and/or not of too great magnitude, it will be absorbed without any overall loss of motion, the springs pressing back the member 16 when overload passes. A limit switch 26, Fig. 6, is provided cutting off, reversing or otherwise modifying the source of driving power as desired upon a predetermined rotation of the member 16. An eccentric 24, Fig. 4, on the carrier 8 co-acts with a spring loaded switch-operating pin 25 and is so orientated that the pin 25 moves in opposite directions on overload according to the direction of rotation of the gearing, the switch 26 being double-acting so that the driving source may be differently modified for different directions of rotation. The switch 26 is mounted in a rocking cradle 28 pivoted on an arm 31 of a support 27 secured to the casing 10. An arm 38 on the cradle 28 coacts with the switch button 40 and is operated to actuate it by the pin 25 acting on the arm through snap rings 42 fitting in grooves on the pin. The spring loading of the pin 25 is supplied by a resilient arm 37 on the support 27. The position of the arm 38 relative to the snap rings 42 may be varied by an adjusting screw 45 projecting through a cover 47 bolted to the casing 10 and screwing into an arm 43 of the cradle 28. Alternative pins 25 having different axial groove spacings for the snap rings 42 may be provided, and conditions may be such that reversal or de-energization of the driving source occurs on overload with further reversal or re-energization when the overload passes.
Patent GB-766398-A (GB)
Title: Improvements in or relating to fluid-tight electric accumulators
IPC: H01M10/34
Filed: 1954-11-24
Abstract: 766,398. Batteries. PIROUX, J. Nov. 24, 1954 [Nov. 26, 1953; Oct. 23, 1954], No. 34103/54. Class 53. A sealed accumulator in which the electrolyte is absorbed in the plates and separators which form a porous block is prepared for use by first saturating the block with electrolyte and then subjecting it to a forming charge and finally removing any free electrolyte liberated by the charge. The final removal of the electrolyte may be effected by charging the accumulator while upside down and may be assisted by the insertion of a wick 17 as shown in Fig. 1. When gases begin to be evolved by the charging current they cover the surfaces of the plates and interrupt the current. In order to secure uniform wetting of the plates by the small amount of electrolyte retained in the plates and separators a wetting agent may be added to the electrolyte and to reduce the mobility of the electrolyte a substance may be added that increases its viscosity. For this purpose polyvinyl alcohol which also acts as a wetting agent may be used. The accumulator may also be turned upside down from time to time. Fig. 3 shows an accumulator having lugs 22 at the end of the container opposite to the end having the carrying handle 20. In normal use the terminals 14, 15 and plug 19 are at the lower end of the accumulator and in the charging position shown in Fig. 3 the lugs 22 rest on supports 23.