baber/WOPTO huggingface dataset:
Patent GB-388475-A (GB)
Title: Improvements in the manufacture of synthetic tanning substances
IPC: C14C3/20
Filed: 1931-10-16
Abstract: Synthetic tanning agents are made by causing water-soluble condensation products of urea or thiourea and formaldehyde produced in alkaline solution to act on sulphonated hydrocarbons or their hydroxy derivatives, e.g. phenols, cresols or naphthols. The ureaaldehyde product is produced by condensing more than one mol. of the aldehyde (up to two mols.) with one mol. of the urea. Formaldehyde may be partly replaced by acetaldehyde.  The products may be partially neutralized with oxides, hydroxides or salts of heavy metals.  In examples, (1) urea is condensed with formaldehyde in alkaline medium and the resin is treated with sulphonated phenol; the product is then partly neutralized with ammonia or soda or by chromium or aluminium hydroxides (2) sulphonated b -naphthol is condensed as in (1), (3) naphthalene is sulphonated and condensed with the urea resin of (1), (4) sulphonated naphthalene is condensed with dimethylolurea, (5) commercial cresol is sulphonated and condensed with dimethylolurea.  Specification 305,013, [Class 2 (iii), Dyes &c.], is referred to.  The Specification as open to inspection under Sect. 91 comprises also the condensation of sulphonated phenols, naphthols or hydrocarbons with the products obtained from ureas (1 mol.) and aldehydes (1-2 mols.) in acid medium and the following examples are given: (1) Sulphonated naphthalene is added to a solution of urea and formaldehyde and the mixture heated, (2) a solution of thiourea and formaldehyde is added to sulphonated phenol and heated, (3) cresol is sulphonated, a solution of urea and paraldehyde added and the mixture heated after further addition of formaldehyde, (4) sulphonated naphthalene is condensed with thiourea and formaldehyde.  Acetaldehyde can be used instead of formaldehyde. This subject-matter does not appear in the Specification as accepted.
Patent GB-1088459-A (GB)
Title: Improvements in safety belt buckles
Inventor: SMITH LAWRENCE H
IPC: A44B11/25
Filed: 1966-06-28
Abstract: 1,088,459. Buckles. JIM ROBBINS SEAT BELT CO. June 28, 1966, No. 28826/66. Heading E2A. A safety belt comprises a pair of belt members 18 and 22 which are connected to a tongue 12 and a buckle 10. The tongue is inserted between a base 24 of a channelled buckle member and a retaining member 46 pivoted in side walls of the buckle member. The retaining member 46 is spring urged clockwise so that a downturned: tab 68 thereon engages in an aperture 20 in the tongue and holds the tongue in the buckle. To release the tongue from the buckle a cover 80 pivoting in the side walls of the buckle member is raised thereby lifting a bent over tab 74 or the retaining member, which tab engages in a pocket 100 on the underside of the cover, so that the retaining member rotates against the action of the spring and the tab 68 disengages the tongue and frees it for with drawal. A pair of wings extend from each side of the pocket to below tabs projecting from the side walls and act as a stop for the cover when it is raised. A downturned tab 69 on the base acts as a stop for the tongue during insertion. The belt member 22 passes adjustably round a knurled bar 30 which has ears which slidably. engage in slots in the side walls of. the channelled member. The belt member is clamped between the bar 30 arid a tab 42 bent up from. the base 24.
Patent GB-639274-A (GB)
Title: Packaging of resilient artificial filamentary materials
Inventor: HEPWORTH WILLIE
IPC: D01D10/04
Filed: 1947-10-29
Abstract: 639,274. Nylon &c. packages. IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 29, 1947, No. 28856. [Class 120 (iii)] [Also in Group XVII] A process for packaging resilient artificial filamentary material such as nylon, comprises coiling the required amount of the material, round a collapsible mandrel between two annular discs of packaging material positioned on the mandrel by means ot stops, and connecting and holding the perimeters of the discs by further packaging material before collapsing the mandrel and removing the cylindrically-shaped package. The discs may be of plywood, metal or plastic material and the further packaging material may also be of any of these materials in the form of a cylinder. Alternatively it may be in the form of a sheet of flexible material formed into a cylinder around the discs and attached to them by a circular metal clip, an adhesive or adhesive tape. For small packages the discs may be connected by adhesive tape. A number of coils may be wound on one mandrel. The latter may be fixed or rotatable. The invention is described as applied to packaging 110 yards of 0.02 inch diameter nylon monofil. The mandrel consists of a collapsible metal ring carried by a vertical shouldered mandrel. The discs are of cardboard, one being centrally apertured so as to be positioned between the ring and the shoulder, the other being in abutment with the other end of the ring. The central openings in the discs may be sealed by adhesive labels which also serve to secure the end of the filamentary material.
Patent GB-1195949-A (GB)
Title: An Improved Method a Manufacturing a Valveless Vehicle Inner Tube.
IPC: B29D23/24
Filed: 1968-06-18
Abstract: 1,195,949. Pneumatic tubes. SEMPERIT OSTERREICHISCH - AMERIKANISCHE GUMMIWERKE A.G. 18 June, 1968 [20 June, 1967], No. 28859/68. Heading B7C. A method of manufacturing a valveless bicycle tyre inner tube with a reinforced hole for insertion of a valve body comprises securing a reinforcing patch 1 to the wall 2 of an unvulcanized rubber tube so that holes 3, 3<SP>1</SP> in the patch and tube are aligned, before or after joining the ends of the tube, passing a tubular insert 4 through the aligned holes, inflating the tube via the insert, vulcanizing the tube thus bonding the tube ends together and the patch to the tube, deflating the tube and removing the insert. Preferably, the patch 1 has tapered edges as shown, is between two and three times the thickness of the tube wall, and is at least partially vulcanized, roughened, and attached to the tube with adhesive. The insert has a head 5, a neck 6 and a body 7 which may be stepped, frusto-conical or of other elongate form. Preferably the neck 6 is longer than the total thickness of the patch and the wall.
Patent GB-1208085-A (GB)
Title: Improved metal oxide capacitor and method of making the same
IPC: H01G4/10
Filed: 1969-06-06
Abstract: 1,208,085. Capacitors. SYNCRO CORP. 6 June, 1969 [13 June, 1968; 19 June, 1968], No. 28880/69. Heading H1M. A metal oxide capacitor 10 is made by heating nickel member 12 in oxygen to form nickel oxide layer 14 on its surface and quenching the heated member. Tolerable amounts of silicon, manganese, copper, iron, aluminium, magnesium are stated. Counter-electrode 16 and epoxy resin encapsulation 22 are subsequently applied. The oxidation temperature is 1400-1800‹ C. In modifications the nickel member is fired at 1400-1800‹ C. in oxygen, quenched or cooled slowly, given a coating of conductive oxygen permeable material, e.g. silver and palladium mixed with bismuth trioxide, refired at 1400-1700‹ C. and quenched. The quenching liquid may be silicone oil, which also impregnates the capacitor, or perchloroethylene. Alternatively a large mass of iron acting as a heat sink may be used.
Patent GB-1396488-A (GB)
Title: Continuous pro'uction of lower alcohols
IPC: B01J8/02
Filed: 1973-06-18
Abstract: 1396488 C 2-5  Alkanols by hydration of olefins DEUTSCHE TEXACO AG 18 June 1973 [11 July 1972] 288881/73 Heading C2C A C 2-5  alkanol is made by the direct hydration of a C 2 -C 5  olefin in the presence of a strongly acidic cation exchange resin as catalyst, in which the said resin is a sulphonated styrene/ divinylbenzene copolymer having, when measured in the dry state, (a) a specific surface area of less than 1 square metre per gram and a pore volume of less than 0À1 ml per gram when the resin is wetted with water and is dried according to Method I (as defined), and (b) a specific surface area of more than 1 square metre per gram and a pore volume of more than 0À1 ml per gram, when the resin is wetted with water and dried according to Method II (as defined), the specific surface areas being those determined by the BET method and the pore volumes being those determined by the Hg/H 2 O displacement method.
Patent GB-1225067-A (GB)
Title: Twisting and forming device for a break spinning device
Inventor: POLYAKOVSKY LEV JUDELEVICH
IPC: D01H4/12
Filed: 1969-06-09
Abstract: 1,225,067. Break spinning. VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT LEGKOGO I TEXTILNOGO MASHINOSTROENIA. 9 June, 1969, No. 28997/69. Heading DID. [Also in Division F2] A break spinning machine includes a pair of radial gas bearings 4, 5 rigidly secured together and supported by a common elastic shock-absorbing member 10, and a thrust gas bearing 6 disposed between the yarn-forming bowl and the upper of the radial bearings. As shown, the radial bearings 4, 5 are supplied with air from the same source as the thrust bearing. The rotating shaft 1 is driven by band 15.
Patent GB-754915-A (GB)
Title: Improvements in or relating to the production of titanium tetrachloride
Inventor: KRCHMA IGNACE JOSEPH
IPC: C22B34/12
Filed: 1954-10-08
Abstract: <PICT:0754915/III/1> Titanium tetrachloride is prepared from titaniferous materials containing substantial amounts of alkali or alkaline earth metal impurities by chlorinating the material in the presence of a carbonaceous reducing agent such as coke in a bed fluidized by a gaseous chlorinating agent, preferably chlorine and maintaining the resulting water soluble alkali or alkaline earth metal chloride content of the bed at not more than 7 per cent by weight thereof, by intermittently or continuously withdrawing a portion of the bed, leaching it to wash out the water-soluble content thereof, drying the residue and recycling it to the reaction zone. The invention is particularly applicable to titaniferous oxidic slags obtained by smelting an ore to remove iron values therefrom, which slags may contain 60 to 80 per cent titanium dioxide and 10 to 20 per cent of iron as well as calcium, magnesium and sodium compounds in amounts up to 10 per cent.  The preferred mode of operation is shown in the Figure and the amount of material withdrawn from the reactor and passed through the leaching filtration and drying stages prior to re-cycling may amount from 0.2 to 7 parts by weight of the titaniferous material initially fed.  The reaction may be effected at 500 to 1250 DEG C., preferably 800 to 1100 DEG C., heat being supplied if necessary by pre-heating of reactants or other means.  A solid reducing agent such as coke is preferred and may constitute 15 to 35 per cent of the ore fed. The chlorinating gas may be pure chlorine but recovered chlorine containing oxygen and nitrogen may be used, for example a gas containing 30 per cent chlorine resulting from the oxidation of the titanium tetrachloride in the prohuction of titanium oxide pigment.  Depending upon the operating temperature and chlorine concentration ferric or ferrous chloride may be formed, it being preferable to provide sufficient chlorine for ferric chloride formation which is volatilized with the titanium tetrachloride and separated therefrom for example by cooling the product gases to a point such that spray cooling with liquid titanium tetrachloride will condense the ferric chloride as solid.
Patent GB-337146-A (GB)
Title: Valve gear for internal-combustion engines and casings therefor
IPC: F02F7/00
Filed: 1929-09-26
Abstract: 337,146. White & Poppe, Ltd., and Milne, J. Sept. 26, 1929. Casings.-The camshaft and rocker gear of an overhead valve engine are housed in and supported by a casing 6 which is normally bolted to the cylinder head, but which may be swung about an axis, approximately that of the camshaft, to a position clear of the head to permit the removal of the latter without disturbing the relative setting of the camshaft or rocker gear. When the casing 6 is detached from the head it is supported pivotally by a bracket attached to the cylinder block at one end whilst the other end is similarly supported by the back plate of the timing gear casing. Clearances are provided at both these pivoted supports to ensure the proper fitting of the casing when bolted to the head, provision being made to render the casing oil-tight at these points. Oil-tight joints are also made by suitable packing 16, 17 between the contacting faces of the casing and the head and of the detachable cover 14.
Patent GB-742905-A (GB)
Title: Improvements in or connected with toy vehicles
Inventor: ULLMANN HENRY
IPC: A63H17/32
Filed: 1953-10-23
Abstract: 742,905. Toy vehicles. METTOY, CO.. Ltd. Oct. 22, 1954 [Oct. 23, I953], No. 29305/53. Class 132(3) A toy vehicle is propelled by an inertia motor and is provided with a bell. A toy fire engine has its front axle driven by means of gears 6, 7, 11, 12 from a flywheel 13, the axle carrying a cam 15 which is engaged by the lower end of an arm 19 of an inverted V-shaped member of which the other arm 16 is pivoted at its lower end to the frame of the motor. The V-shaped member carries a loosely secured clapper 21 and is urged forwardly by a light spring 23. With each revolution of the axle the cam 15 causes the clapper to move backwards and then allows it to move forwards quickly to strike the bell under the action of the spring 23.
Patent GB-533405-A (GB)
Title: Improvements in or relating to reciprocating pumps
IPC: F04B1/04
Filed: 1939-11-03
Abstract: 533,405. Radial cylinder pumps. AUTOMOTIVE PRODUCTS CO., Ltd., TRAPP, G. J., and FOOTTIT, F. D. Nov. 3, 1939, No. 29352. [Class 102 (i)] In a radial cylinder pump in which the plungers are positively moved on both pressure and suction strokes by means of a driving sleeve turning freely on a rotating crank or eccentric, the inner ends of the plungers 32 are formed with transverse grooves 33 the walls of which converge towards the end faces of the plungers and fit over correspondingly shaped pins 34 which are located by shoes 35 bearing on the driving sleeve 27, radial movement of the shoes and/or pins relative to the sleeve being restrained by means of retaining rings 41. The pins 34 may be cylindrical to fit in grooves 33 which extend over more than a semi-circle, they may be cut away at their ends to substantially semi-cylindrical form for direct engagement by the retaining rings, and they may engage in grooves 37 in the shoes 35. In one modification, the pins pass through apertured lugs on the shoes and the retaining rings engage the shoes beyond the ends of the pins. In another, the ends of the pins are cylindrical but the intermediate portions are wedge-shaped to engage converging flat sides of grooves in the plungers. The pump cylinders 21 may comprise a number of radial bores passing completely through a steel ring 20 of substantially rectangular cross-section, the outer ends of the bores being closed by a ring 24 shrunk on to the ring 20. Alternatively, each or a number of the cylinder bores may be formed in separate sector-shaped blocks. Needle rollers 28 held in position by collars 30, 31 may be disposed between the eccentric 26 and the driving sleeve 27. Fluid admitted by inlet 46 passes through passages 45, central space 44, radial passages 43, and ports 42 into the cylinders 21, and is delivered through recesses at the ends of the cylinders 21 and passages 50, 51 and 52 to an outlet 54, non- return valves 53 being mounted in the passages 51.
Patent GB-749270-A (GB)
Title: Improvements in and relating to speed responsive apparatus
Inventor: DAVIS EDWARD
IPC: G01P1/10
Filed: 1953-10-23
Abstract: 749,270. Speed indicators. BRITISH THOMSON-HOUSTON CO., Ltd. Oct. 19, 1954 [Oct. 23, 1953], No. 29369/53. Class 106 (3). In apparatus for indicating when the speed of a shaft 3 falls below a predetermined value, the shaft is fitted with a pair of cams 1, 2 whose raised portions a control the opening of switches 5, 4 respectively, connected in parallel with the indicating means X so that X is operated when either switch 4 or 5 is open. The portions a of cam 1 are 45 degrees out of phase with those of cam 2 and the switches 4, 5 are provided with time-delay return means such as dash-pots 6, 7. The time delays are such that when shaft 1 rotates at a speed above the predetermined value the switches 4, 5 remain open, being lifted by successive portions a before the expiry of their return time-delays so that X remains inoperative. At an intermediate speed one switch, e.g. 4, is operated and restored before the other switch, e.g. 5, so that X is impulsed intermittently and at speeds below the predetermined value either one or the other switch 5 is operative so that X is continuously energized. The normal position of the switches may be open in which case they are connected in series. The cams 1, 2 may be replaced by commutator devices controlling slow release relays whose contacts replace the switches 4, 5. The device may be used for control purposes, e.g. interlocking the forward-reverse gear shift of a diesel locomotive.
Patent GB-1156071-A (GB)
Title: Apparatus and method for Polymer Molding and Orientation and articles formed therefrom
Inventor: WILEY FRED EDWIN
IPC: B29C48/90
Filed: 1966-06-30
Abstract: 1,156,071. Blow moulding; orientation. PHILLIPS PETROLEUM CO. 30 June, 1966, No. 29425/66. Heading B5A. Hollow articles of crystallizable thermoplastics are produced by extruding a parison, cooling it to crystallize the material and reheating to just below the melting-point before expanding it by internal fluid pressure. The cooling and reheating may be confined to the outer surface. The apparatus, Fig. 3, may comprise an elongated sizing sleeve 12 attached to the extruder 10, a jacket 13 around it, defining annular cavities 14, 19 therebetween, means to supply 16 and withdraw 17 coolant to and from cavity 14, means to supply 18 and withdraw 20 reheating fluid to and from cavity 19, a plurality of holes 23 to evacuate the sleeve and draw the parison to the sides thereof and blow mould halves 47 mounted on belts 48 49. The parison may alternatively pass to a blow mould (Fig. 2, not shown) via rolls (36, 37) operating faster than extrusion to stretch the parison, and heating bath (38) and conditioning sleeve (39), e.g. for surface cooling.
Patent GB-443142-A (GB)
Title: Improvements in switch units for electrically driven domestic apparatus
IPC: A47L9/32
Filed: 1935-10-25
Abstract: 443,142. Switch cases. ELECTROLUX, Ltd., Luton, Bedfordshire.-(Assignees of Aktiebolaget Elektrolux ; 2, Norrmalmstorg, Stockhohn) Oct. 25, 1935, No. 29473. Convention date, Oct. 27, 1934. [Class 38 (v)] An electric switch 7 is mounted in an insulating casing formed of two halves 8, 8<1> joined by screws 9. The casing is mounted so as to be readily detachable from the handle 3 of an electrically driven appliance such a.s a vacuum cleaner or floor polisher, by means of a screw 10 fixed to the casing and engageable by a milled nut 11 on the handle. The leads 13, 14, provided with plugs, not shown, for attachment respectively to the supply mains and to the driving motor, pass through an opening in the casing provided with a cable grip device 15 to prevent strain on the electric connections. The switch and supply leads can thus be readily detached as a unit for replacement or repair. In a modification, the switch casing is mounted on a spring clip which surrounds the handle of the appliance.
Patent GB-248486-A (GB)
Title: Improvements in or relating to devices for ironing clothes and other articles
IPC: D06F75/38
Filed: 1924-12-09
Abstract: 248,486. British Celanese, Ltd., and Woodman, T. C. Dec. 9, 1924. Detachable shoes for hand-irons are formed on the under surface with grooves, channels or other open-bottomed spaces 2 permitting the free circulation and escape of air through their ends, and with corresponding ribs 3 on their upper face.
Patent GB-233621-A (GB)
Title: Improvements in or relating to driving axles for vehicles
IPC: B60K17/36
Filed: 1924-12-09
Abstract: 233,621. Rushen, P. C., (Winship, E.). Dec. 9, 1924. Transmission gear between separate axles.-In a vehicle having two driving-axles a master-gear driven by the driving shaft drives a differential housing and the differential gears of this housing :are connected respectively to the first axle and to a shaft driving the second axle. The driving shaft 7 drives through a master-gear 23 a differential housing 31 from which the drive is trallsmitted to sleeves 35, 36 driving respectively ':he half-axles 4, 5 and a gear wheel 24 driving the second axle (not shown) through a pinion 29 and a, shaft 8. A second differential gear 37 is driven by the sleeve 35 and a third differential gear is provided on the second axle. The shafts 7. 8 are slightly out of line to allow the two sets of bevel gearing 23, 29 to clear each other. The shaft 8 is connected to the shaft entering the other axle casing by a universally-jointed telescopic shaft.
Patent GB-903840-A (GB)
Title: Rocket injector head
Inventor: LEDWITH WALTER A
IPC: F02K9/52
Filed: 1960-08-26
Abstract: 903,840. Generating combustion products under pressure. UNITED AIRCRAFT CORPORATION. Aug. 26, 1960, No. 29620/60. Class 51 (1). [Also in Group XXVI] The fluid propellants of a rocket are injected into the cylindrical combustion chamber 2 through a plurality of passages provided in a head 6 closing one end of the chamber. The head comprises a main plate 8 supporting a number of similarly-shaped injector elements 10 having hollow posts 12, a propellant being delivered from a chamber 18 through the openings 16. The chamber 18 is formed between the plate 8 and a second plate 19 and is supplied with propellant from an inlet 37. The opening 16 in each element 10 is surrounded by smaller openings 22 through which another propellant is passed from a space 24, this space being connected by stand-pipes 28 to a manifold 26 having a propellant inlet 38. The elements 10 are sector-shaped and arranged in concentric rings and have spaces therebetween when cold to allow for expansion. In modifications (Figs. 4, 5, not shown) overlapping sliding surfaces are provided between the elements 10.
Patent GB-681781-A (GB)
Title: Replacement parts for heels of footwear
IPC: A43B21/42
Filed: 1950-12-04
Abstract: 681,781. Heel protectors. HERALD, W. J., and MURRAY, R. Dec. 4, 1950 [Dec. 5, 1949], No. 29622/50. Class 17 (iii). Plugs 8 having tubular bodies 15 with a chamfered forward end 10 and a shouldered and conical head 12 are forced into apertures of corresponding shape in a part or the whole of a heel lift to form means for detachably securing each part to a heel. The heel is drilled to receive such plugs which have an internal bore 9 the air in which assists in retaining the part in position. In wear, the heel part or lift becomes worn to open the bore 9 to the atmosphere to permit removal for renewal.
Patent GB-774598-A (GB)
Title: Improvements relating to titanium or titanium base alloys
IPC: C25D11/26
Filed: 1954-10-15
Abstract: 774,598. Rolling; extruding. IMPERIAL CHEMICAL INDUSTRIES, Ltd., HANDS, S., and HUMPAGE, J. Oct. 14, 1955 [Oct. 15, 1954], No. 29732/54. Class 83 (4). [Also in Group XXXVI] To prevent surface oxidation during preheating prior to rolling, extruding or otherwise hot-working at temperatures up to 1000‹ C.; titanium or titanium base alloys are anodically treated in an aqueous electrolyte containing phosphoric acid with or without sulphuric acid.
Patent GB-849576-A (GB)
Title: Optical objective
IPC: G02B9/34
Filed: 1958-09-17
Abstract: 849,576. Optical objectives. - SCHNEIDER, M. C. Sept. 17, 1958 [Oct. 22, 1957], No. 29741/58. Class 97(1) An optical objective of relative aperture f/ 1À4 comprises a front convergent doublet made up of a biconvex lens L1 and a biconcave lens L2, two negative meniscus doublets II and III and a rear convergent simple lens IV. Each of the cemented-surfaces r2, r5 and r8 is dispersing; and the refractive index difference at each of surfaces r2 and r8 is between 0À008 and 0À02 whereas the refractive index difference at surface r5 is between 0À04 and 0À06. Optical data are given for two examples of the objective shown.