baber/WOPTO huggingface dataset:
Patent GB-1160491-A (GB)
Title: Alkylation of Phenols.
Inventor: KALAV CEVAT
IPC: C07C37/16
Filed: 1968-02-05
Abstract: 1,160,491. Alkylation of phenols. UNION RHEINISCHE BRAUNKOHLEN KRAFTSTOFF A.G. 5 Feb., 1968 [17 Feb., 1967], No. 5621/68. Heading C2C. A process for the preparation of methyl phenols substantially free from meta-isomers comprises reacting phenol with methanol in the presence of an alkyl sulphonic acid having 1 to 5 carbon atoms at a temperature of 200-250‹ C., for a reaction time of from 1 to 4 hours, the molor ratio of phenol to methanol being from 1: 0À4 to 1:0À8. The production of o- and pcresol, with the formation of 2,4- and 2,6- dimethylphenol in small amount, is exemplified.
Patent GB-717972-A (GB)
Title: Improvements relating to the formation of solutions of acrylonitrile polymerization products
IPC: C08J3/03
Filed: 1952-03-04
Abstract: Solutions of acrylonitrile polymerization products in water containing a water-soluble salt which yields hydrated ions are formed by first dispersing the polymer in water containing an amount of the salt less than the critical concentration required to form a solution which will dissolve the polymer, and then adding to the resulting dispersion an additional amount of the salt sufficient to raise the amount of the salt in solution above the critical concentration, and thus dissolving the polymer. Acrylonitile polymers specified are polyacrylonitrile and copolymers with vinyl acetate, propionate, butyrate, valerate and caproate, allyl alcohol, acrylic, methacrylic, and ethacrylic acids, methyl, ethyl, propyl and butyl acrylates and methacrylates, acrylamide, methacrylamide, N-methyl, N-ethyl, N-propyl, and N-butyl acrylamides and methacrylamides, methacrylonitrile, and dimethyl, diethyl, dipropyl and dibutyl maleates fumarates, and citraconates.  Salts specified are zinc chloride, thiocyanate, and nitrate, calcium chloride, perchlorate, thiocyanate and nitrate, lithium chloride, cadmium bromide and iodide, sodium thiocyanate, aluminium perchlorate, and guanidine and lower alky substituted guanidine thiocyanates.
Patent GB-588803-A (GB)
Title: Improvements in and relating to windows
IPC: E06B3/44
Filed: 1945-03-08
Abstract: 588,803. Windows. BRAYBROOK, V. W. March 8, 1945, No. 5752. [Class 20 (iii)] In a window of the type having upper and lower vertically sliding sashes respectively provided with downwardly and upwardly extending members engaging a toothed wheel or pinion mounted on a fixed axle so that the movement of each sash causes a movement in the opposite direction of the other sash, the upper and lower sashes are separated by a horizontally pivotally hung sash, pivoted on the fixed axles as shown in Fig. 1, the extension members 13 are secured to each side of the sliding sashes 10, 12 and act as weather excluding means and guides for the sashes as the members 13 move in the grooves 14 formed in the window frame jambs 15. Sashchain type rollers 18 are incorporated in the members 13 to engage the toothed wheels or pinions 19 mounted on the fixed axles 20 accommodated in recesses formed in the jambs at each side of the window. The central sash 11 is pivotally hung, preferably mid-way of its height, by projections on the axles entering recesses formed on each side of the sash 11. The sash-chain type rollers may be carried on the wheels 19 and engaging teeth formed on the member 13, which may be made of laminated reinforced synthetic resin. As shown in Fig. 4, the members are secured to the sashes by screws, the members for the top sash being secured to the inside face of the sash stile, and the members for the bottom sash being bent at 13a and secured to the bottom sash stile, which is covered by the removable bead 25.
Patent GB-1142713-A (GB)
Title: Automatic adjusting device for use with cutting tools
IPC: B23B29/034
Filed: 1967-02-07
Abstract: 1,142,713. Boring-heads. GEBRDER HONSBERG. 7 Feb., 1967 [8 Feb., 1966], No. 5879/67. Heading B3C. A boring head 1, Figs. 1, 2, comprises a crystalline ceramic tube 15 having piezoelectrical properties, connected to a cable socket 10 by an electrical conductor, and a contact spring 16, the tube co-operating with a spring- urged wedge 6. Tool 17 is secured in a holder 2 by screws 11, 12, and the holder is held in the head by an adaptor 5. In operation, after the first boring operation, the bore produced is measured by a device, and is compared with a specified measurement. If some correction is required, an alternating or pulsating direct current signal passes through socket 10 and expands tube 15, to thus move tool 17 radially outwardly and then contracts. Wedge 6 is moved to the left, Fig. 1, by spring 13, and prevents the tool from moving inwardly. In a modification, two wedges 54, 52, Fig. 4, are provided. The wedges may be moved by means of a torsionally-mounted screw-threaded spindle instead of by spring 13 or 60.
Patent GB-587454-A (GB)
Title: Improvements in or relating to tractors or like vehicles
IPC: B60D1/50
Filed: 1944-03-30
Abstract: 587,454. Tractors. DUFOUR, L. March 30, 1944, No. 5887. Convention date, May 10, 1943. [Classes 79 (i) and 79 (iii)] A tractor comprising two parts hinged together about the back axle or an axis parallel with and - adjacent the back axle, one part including the main frame 1, steering wheels 2 and driver's seat 6, the other part including the power unit and transmission 7, 8, is characterized in that the power unit is maintained in the raised position by means of a draw bar 10 secured rigidly to the rear thereof, and which is coupled rigidly in a vertical plane to the pole 15 of the truck or trailer, provision being made at 12 for relative movement between the tractor and trailer about a vertical axis. The draw bar 10 is pivoted at 24 to the rear end of the power unit and after connecting to the pole 15 the supporting wheel 19 is first raised to the position shown, then the power. unit is raised by means ..of the screw 21 and hand-wheel until the power unit is approximately midway between its limiting positions, which are determined either by engagement of the lugs 8' with the chassis 1 or of the top of the power unit with a bridge piece on the member 4. In an alternative form, Fig. 8, the draw bar 10, hinged at 38, carries a spring-loaded catch 41; after coupling to the trailer, the power unit is caused to rear up by engagement of a forward gear and brake application, whereupon the face 39 contacts the draw bar 10 and the catch 41 engages the slotted end of the member 22. The catch 41 may be retracted by the hand lever 43. In other modifications the spring- loaded catch 41 may be replaced by a simple pin and eye locking device, the pin 'being inserted manually, or the screw and hand wheel shown in Fig. 4 may be replaced by a pair of arcuate rack members attached to the member 22, which are engaged by a pinion rotated through a worm and worm gear by a hand wheel to raise or lower the power unit. The draw-bar 10 may incorporate a spring-type shock-absorber which also permits twisting movements of the trailer relative to the tractor about a longitudinal axis.
Patent GB-681666-A (GB)
Title: Improvements in or relating to radar reflectors
IPC: H01Q15/18
Filed: 1951-03-12
Abstract: 681,666. Radio reflectors. SVENSKA AKTIEBOLAGET GASACCUMULATOR. March 12, 1951 [May 13, 1950], No. 5898/61. Class 40 (vii). A radio reflector comprises a plurality of pyramidal corner reflectors disposed helically about a central axis, the reflector axes being directed outwards in directions substantially perpendicular to the central axis. The reflector, which is shown opened out flat in Fig. 2, comprises plates 10, 11, 12 ... hinged to one another and is normally folded so that successive plates are perpendicular to one another, successive foldings being in opposite directions as shown in Fig. 3. Further plates 20, 21, 22 ... are hinged to plates 11, 13, 15 ... and normally stand perpendicular with respect to these plates, thus dividing the included angle between each pair of plates 10, 11 ... into two corner reflectors. Further plates 20a, 21a ... are also attached to plates 12, 14 .... For storage, the members 20, 21 ... are folded flat upon their respective plates 11, 13 ... and plates 10, 11, 12 ... are folded to lie flat one upon the other. The hinges between successive plates are constructed so as not to open beyond 90 degrees. The plates 20, 21 ... are spring- loaded, stops affixed to the main plates preventing them opening beyond 90 degrees. The reflector is adapted to be supported from a hole 26 when it will open out automatically into its operative position.
Patent GB-776205-A (GB)
Title: Improvements in or relating to sealing devices
Inventor: ALCOCK ERNEST
IPC: F16J15/46
Filed: 1955-02-28
Abstract: 776,205. Stuffing-box substitutes. MONO PUMPS, Ltd. Feb. 2, 1956 [Feb. 28, 1955], No. 5919/55. Class 122 (5). A shaft seal particularly for a pump comprises a hollow annular resilient member and a sealing ring located by a flange or flanges on the resilient member and abutting a wall thereof whereby when fluid pressure is supplied to the interior of the resilient member the ring is urged into rubbing sealing contact with the shaft. In one embodiment, Fig. I, for a rotary shaft 1, a hollow annular member 6 of resilient material, e.g. rubber, having a U-section portion closed by a ring 17, is mounted on an L-section backing plate 10, bolted therewith to a circular flange 5 on the housing 4 surrounding the shaft opening 2, and carries, by means of an axial flange 7, a sealing ring 12 of metal, carbon or synthetic resin pressed into rubbing contact with a collar 16 on the shaft when fluid pressure is supplied to the member 6 through a valve 18 in the closure ring 17. In another embodiment, Fig. 2, for a rotary or reciprocating shaft 20, a sealing ring 25 of pliable material, e.g. yarn impregnated with graphite, a synthetic resin or preferably with a lubricant such as grease is located between radial flanges 28, 29 on the resilient member 27 and urged resiliently radially into contact with the shaft when fluid pressure is supplied to the member 27. When the seal is used for packing a pump shaft the pressure fluid may be derived from the pump.
Patent GB-852403-A (GB)
Title: Deashing polymers with diacetone alcohol
IPC: C08F6/02
Filed: 1959-02-23
Abstract: An olefin polymer prepared by the low pressure process using as catalyst a mixture of a reducible metal compound of Group IVa, Va, VIa or VIII and a reducing metal compounds of Group I to III is purified by contacting the polymer and catalyst residues mixture with diacetone alcohol.  Specified olefins are ethylene, propylene, butene-1 heptene-1, and dodecene-1 and mixtures thereof.  The diacetone alcohol may be used in amounts of from 0,5 to 4 moles per mole of catalyst residue, and the temperature and time of contacting may be from 25 to 80 DEG C. for 5 minutes to 24 hours.  The diacetone alcohol may be used in the presence of a lower alkanol, e.g. methanol or isopropanol.
Patent GB-525961-A (GB)
Title: Improvements in beams or elements for ferro-concrete flooring and like structures
IPC: E04B5/06
Filed: 1939-02-25
Abstract: 525,961. Concrete beams. MORTON, B. Feb. 25, 1939, No. 6249. [Class 20 (iv)] A precast elongated relatively narrow ribbed element for flooring and the like has its longitudinal edges strengthened by ribs of less depth than the main ribs and these edges may be recessed to allow of overlapping at the edges. The element a is provided with two or more main webs b which may be reinforced, and the edges are stiffened by ribs c of less depth than the main ribs and recessed at d to form joints. The inside surfaces of the ribs may be bevelled and the recesses f on opposite edges reversed for overlap. Transverse end and intermediate ribs j may be provided. The ends of the main ribs may be reinforced and this reinforcement may be covered by concrete of superior mix compared with that used for the remainder of the element as described in Specification 525,679. Specification 472,844 also is referred to.
Patent GB-356125-A (GB)
Title: Preservation of latex
IPC: C08C1/06
Filed: 1930-02-25
Abstract: A stable acid latex is produced by the addition to natural latex of saponin or similar glucosides such as arbutin and salicin, and also an acidic material to produce a PH value of 7 or less.  Suitable proportions of saponin are 1/2 -4 parts per 100 parts of rubber in the latex.  Suitable acidic materials are hydrochloric, sulphuric, acetic acids, acid salts or salts which hydrolyse to give an acid, formaldehyde.  Ammonia should be removed when such has been employed for preserving, e.g. as described in Specification 288,268, [Class 70, India-rubber &c.].
Patent GB-267507-A (GB)
Title: Improvements in atomizing sprayers with improved braking and means for increasing the depression
IPC: F02M19/03
Filed: 1927-03-07
Abstract: 267,507. Soc. Anon. du Carburateur Viel. March 9, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Spray carburettors.- The fuel nozzle comprises an inner tube B<1> provided at the bottom with a calibrated fuel orifice A, and communicating through an orifice or orifices 0 with an outer tube B provided with an air inlet D. The top E of the tube B<1> is situated above the fuel level C, and opens into the throat P of a small venturi tube V at the top of the tube B. The outlet of the tube V is situated at the throat of the choke tube F, which may be arranged vertically or horizontally. In a modification, the tubes B, B<1> are arranged side by side and the venturi tube is horizontal. During slow-running, only a small proportion of the air drawn in at D passes through the orifices 0 to aerate the fuel in the tube B<1>, the remainder passing through the venturi tube V and increasing the depression in the tube B<1>; during, normal running, this action is reversed, a large proportion of the air passing through the orifice 0 and restricting the admission of fuel. Specification 158,266 is referred to.
Patent GB-694138-A (GB)
Title: A flow check valve
Inventor: ALLEN SIDNEY
IPC: F16K17/30
Filed: 1951-03-16
Abstract: 694,138. Thermally-actuated valves. ARMSTRONG SIDDELEY MOTORS, Ltd. Jan. 28, 1952 [March 16, 1951], No. 6327/51. Class 135 A valve has a spring-loaded ball 20 guided by a cage 21 and held off a seating 12 by an apertured member 16 of heat-fusible material, e.g. soft solder, so that in the event of continuous passage through the valve of gases at high temperature the member 16 melts and allows the valve to close. The seating has an annular groove 14 into which some of the material of the fusible member 16 may flow.
Patent GB-198441-A (GB)
Title: Improvements in valves
IPC: F16K1/42
Filed: 1922-03-03
Abstract: 198,441. Gray, T. F. March 3, 1922. Casings; making, processes for. -Valve casings are constructed of a number of wrought steel tubular sections welded together, the seating surfaces being carried by a removable bush or sleeve inserted into the casing through one of the valve passages. The casing. Fig 1, is formed from a length of wrought steel pipe a, enlarged at the upper end and welded to another pipe a<1>. Flanges a<2>, a<3> are then welded to the pipes, and the cover b welded to the top of the pipe a. The seat c is screwed into a sleeve d, the flanged end of which is flush with the flange a<2>. The valve and seating may be withdrawn through the lower end of the casing. In an application to a sluice valve, Fig. 2, the valve rings h slide on opposed seating rings c mounted in sleeves d. The valve f is in two parts carried by a bridle k which is prevented from rotating. The casing is constructed from a vertical tube a closed at the bottom and welded to horizontal flanged tubes and to a cover b.
Patent GB-1042662-A (GB)
Title: Addition co-polymers and water dilutable salts thereof
Inventor: PHILLIPS THOMAS LEIGHTON
IPC: C08F220/06
Filed: 1964-02-15
Abstract: A quarternary copolymer comprises units formed by copolymerization of (1) an adduct of a drying oil, which comprises a triglyceride ester of an unsaturated fatty acid having at least 12 carbon atoms or other esterified derivative of a drying oil acid, together with an acyclic a -unsaturated olefinic polycarboxylic acid or anhydride having a straight chain length of up to 5 carbon atoms or partial esters thereof, (2) a polyethylenically unsaturated compound containing at least one b ,g -ethylenically unsaturated ether group and a polymerizable ethylenically unsaturated group, (3) an a ,b -ethylenically unsaturated carboxylic acid, and (4) at least one ethylenically unsaturated monomer free from carboxylic acid and anhydride groups; the copolymer having an acid value of at least 25 mgm. KOH/gm.  Monomer (1) may be an adduct of soya, safflower seed oil, tobacco seed oil or linseed oil and fumaric acid.  Monomer (2) may be glycerol diallyl ether or sorbitol tetra-allyl ether which may be (partially) esterified with dehydrated castor oil fatty acids. Monomer (3) may be acrylic or maleic acids.  Monomer (4) may be vinyl, toluene, styrene or butyl acrylate.  The monomers may be bulk polymerized using a catalyst, e.g. di-tert. butyl peroxide, and/or a chain transfer agent, e.g. allyl alcohol or carbon tetrachloride. The copolymer may be treated with a base, e.g. may triethylamine, to form a water-dilutable salt.  The copolymer may be compounded with ethylene glycol monobutyl ether and cobalt naphthenate and diluted with water.
Patent GB-1484951-A (GB)
Title: Cooling system for a gas turbine engine
IPC: F01D5/18
Filed: 1975-02-17
Abstract: 1484951 Gas turbine engines; cooling and sealing WESTINGHOUSE ELECTRIC CORP  17 Feb 1975 [28 Feb 1974] 6614/75 Heading F1G The invention relates to a gas turbine engine and to means for cooling and for preventing leakage of hot gaseous working fluid. The turbine portion of the engine shown comprises a rotor having at least two rotor discs 18, 20 having rotor blades 24, 26 mounted thereon; also a stator casing 12 and an inner casing 14 which carries stator blades 28, 30, 31 which co-operate with the rotor blades. Two outer annular plenum chambers 56, 58 are formed outwardly of the stator blade rows 30, 31 and cooling air tapped from the engine compressor at different pressures is supplied thereto through ducts 52, 54. Cooling and sealing air passes from the chamber 56 through passages 61 formed in the stator blades 30 to an inner annular plenum chamber 60 radially inward of the stator blade inner shrouds 42, the inner plenum chamber being defined by the shrouds, a member 66 and an upstream wall 62. The cooling and sealing air discharges from chamber 60 through openings 78 in wall 62 and passes to the space between the stator structure and the upstream rotor disc 18 finally discharging through the abradable seal 71 into the working fluid annulus, thus preventing radially inward leakage flow of turbine working fluid. Other air discharging from the chamber 60 through openings 78 flows downstream through the seal 67 as indicated by arrows A and discharges into the working fluid annulus as shown. Further air from the chamber 60 passes through inclined passages 80 and openings 81, 82 to cool the downstream rotor disc 20.
Patent GB-203627-A (GB)
Title: Improvements in or relating to saddlery
IPC: B68C1/06
Filed: 1923-03-07
Abstract: 203,627. Fuckle, P. C. March 7, 1923. Saddles. - A side - saddle which dispenses with the use of the usual balance-strap is furnished with a flexible wire 4 which is fixed at one end to the rear of the saddle and passes peripherally round the saddle to one or more rollers or the like 8 over which the ends 7 of the wire pass. The ends 7 are attached to straps 11 by means of which the girth 2 is fastened. The wire 4 passes through a tube 6 which may be of metal, but is preferably of leather or other flexible material and which is fixed to the saddle edge. The ends 7 of the wire may be formed by dividing a stranded wire or securing additional wires thereto. The straps 11 may be fixed to a cross-bar carried by a single wire 7.
Patent GB-546953-A (GB)
Title: Improvements relating to lamp masks
IPC: F21V14/08
Filed: 1941-05-24
Abstract: 546,953. Lamps. BUTLERS, Ltd., and BLAKE, J. C. T. May 24, 1941, Nos. 6686 and 12939. [Classes 39 (ii) and 75 (iv)] A vehicle lamp, hand lamp or torch is fitted with a mask consisting of c metal or other opaque disc d clamped between the lamp reflector c and-front glass e and formed with a ring of small holes h which are shielded from direct light from the lamp bulb b by an opaque conical or cup-shaped screen f riveted centrally to the disc d. In another construction the front glass of the lamp is replaced by a sheet metal or other opaque annulus having in its central aperture a translucent disc which is shielded from direct light by an opaque disc having radial peripheral projections engaged between the annulus and the lamp reflector.
Patent GB-316656-A (GB)
Title: Improvements in or relating to preserving liver
IPC: A23B4/02
Filed: 1929-03-01
Abstract: 316,656. Atlantic Coast Fisheries Co., (Assignees of Taylor, H. F.). Aug. 2, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Preserving fish livers and oil. - Fish livers containing oil rich in vitamins are preserved by treatment with a solution of a preservative soluble in oil and capable of easy removal, for example an aqueous solution of an alkali fluoride. A 2-4 per cent solution of sodium fluoride in water may be used. The preservative may be removed by washing with water prior to the extraction of the oil, or the oil may be extracted in the presence of the preservative solution which is then separated therefrom, for example by alternate centrifuging and washing with water or with a solution forming an insoluble compound with the preservative. The process is particularly applicable to cod livers but may also be used with haddock, shark and other fish livers.
Patent GB-895554-A (GB)
Title: Improvements in or relating to gas engines
IPC: F02F1/42
Filed: 1961-02-23
Abstract: 895,554 Valves; charging engines; engines using alternative fuels. BUCHI, A. J. Feb. 23, 1961, No. 6757/61. Classes 7(2) and 7(6). A four-stroke gas engine has at least three poppet valves, two of which are coaxial inlet valves 2, 3, Fig. 1, and the other is an outlet valve 1; the outer inlet valve 3 has its seat 3b on the cylinder head and the inner inlet valve 2 has its seat 2b on the outer valve. A duct 5, Fig. 2, feeds gaseous fuel to the valve 2 and supercharging and scavenging air is fed to the valve 3 through a duct 6. The valve return springs are arranged to press the valve head 2a on to the seat 1b with increased spring force during scavenging. The open period of the air inlet valve is arranged to overlap that of the outlet valve, whilst the gaseous fuel inlet valve is closed, so that the cylinder is scavenged with pure air. Fuel may be ignited either by injection of ignition fuel through a nozzle D or by a spark plug C. The inner and outer inlet valve may be arranged to control the air and gaseous fuel respectively. In another embodiment two coaxial pairs of inlet valves and two single outlet valves may serve each cylinder. In Fig. 5, a pipeline 4<SP>1</SP> leads exhaust gas to drive a turbo-supercharger T which supplies air through a pipeline 6<SP>1</SP> to the duct 6. The gas engine may be converted for operation as an injection engine by provision of a change-over or cut-off device in the supply line to the duct 5.