baber/WOPTO huggingface dataset:
Patent GB-884962-A (GB)
Title: Process for the production of aldehydes and ketones
IPC: C07C45/34
Filed: 1958-08-01
Abstract: A catalyst for the oxidation of defines to carbonyl compounds consists of an aqueous solution containing a compound of a metal of the platinum group, one or more salts of vanadium, chromium, manganese, iron, cobalt, nickel or copper, and halogen ions. Advantageously the solution contains 2,20 gms./litre of the compound of the platinum group metal and the molecular ratio of the metal of the platinum group to the other metal is within the range 1:1 to 1:100.  Preferably the pH of the catalyst solution is below 2.  In the examples an aqueous solution of (a) palladium chloride, cupric chloride, cupric acetate and hydrogen chloride; (b) palladium chloride, cupric chloride and cupric acetate; (c) palladium chloride, cupric chloride, cuprous chloride and potassium chloride and (d) palladium bromide, cupric bromide, cupric acetate and hydrogen bromide; is used as catalyst.  The catalyst solution is regenerated after the separation of the carbonyl compounds and unreacted hydrocarbons by treatment with oxygen, air or air enriched with oxygen, preferably at 50-150 DEG  C. and at a pressure of 1-50 atm. Specifications 876,024, 876,025, 878,777 and 884,963 are referred.ALSO:Aldehydes and ketones are produced by the catalytic oxidation of olefinically unsaturated hydrocarbons, which comprises intimately contacting the unsaturated hydrocarbons, or a mixture containing it, and oxygen with an aqueous catalytic solution containing a compound of a metal of the platinum group, a salt of vanadium, chromium, manganese, iron, cobalt, nickel or copper, and halogen ions at 0 DEG C.-200 DEG C., and intimately contacting the catalytic solution after separating the aldehydes and ketones formed and in the absence of hydrocarbons with oxygen, air, or air enriched with oxygen.  Preferably the reaction of the olefine with the catalytic solution and the after-treatment of the catalyst solution are carried out at a temperature of 50 DEG C.-150 DEG C.  The olefine may be used as a mixture with other substances, e.g. paraffins, aromatic hydrocarbons or hydrogen. Examples are given of the conversion of butylene to methyl ethyl ketone, ethylene to acetaldehyde, and propylene to acetone. Specifications 876,024, 876,025, 878,777 and 884,963 are referred to.
Patent GB-277981-A (GB)
Title: Improvements in or relating to motor vehicles having more than one driven wheel axle
IPC: B60K17/36
Filed: 1927-09-22
Abstract: 277,981. Zavody Tatra akc., spol. pro Stavbu Automobilu a Zeleznicnich Vozu, (formerly Koprivnicka, Vozovka akc. spol.). Sept. 24, 1926. Frame constructions.-Driving gear for motor vehicles having two or more driving axles comprises a continuous jointless shaft 8 driving the wheels 3, 5 at one side of the vehicle and a separate similar shaft 9 driving the wheels 4, 6 at the other side of the vehicle. A differential gear 10 is provided between the change-speed gear and the shafts 8, 9, and the half-axles are driven from the shafts 8, 9 through bevel gear trains 15, 16 respectively. In the construction shown the rear half-axle casings 7 swivel about a central frame member 1, but it is stated that the invention may be applied to vehicles having ordinary frames and fixed axles.
Patent GB-900221-A (GB)
Title: Apparatus for feeding fish to fish-dressing machines
Inventor: CHRISTIE PETER JOHAN FRETHEIM
IPC: A22C25/08
Filed: 1957-08-08
Abstract: 900,221. Fish arranging. BAADER, R. G. T. Nov. 7, 1958 [Aug. 8, 1957], No. 25069/57. Class 28 (2). [Also in Group XXX] Fish are oriented in the required direction for feeding to mechanical dressing machines the fish being delivered from a shoot 39 to a rotated spiral 32 on a sloping surface 30, the spiral slipping along the fish. The spiral convolutions are closer at the midway of the centre and outside whereby a fish is gradually turned over so that its belly is in the required direction. If a fish tail points in the wrong direction the radial bar 33 engages the tail and so carries the fish up the slope 30 until it falls head first into the entry 38 of the shoot 39. Fig. 7 shows an inclined cylinder 50 enclosing a rotated helix 52 for the same purpose. The helix is provided with portions of reduced width 63 to allow a superposed fish to slide into the next convolution. If the belly points to the wrong side, Fig. 10 (not shown), a feeler 65 engages the fish and carries it up and around until it drops again into a return shoot 62. A projection 64 engages and rearranges any fish which lie across the convolutions. A cam-operated swing flap also carries up any transverse fish until the flap is raised by a cam to release the fish.
Patent GB-643968-A (GB)
Title: Improvements in moulding machines for concrete
IPC: B28B23/02
Filed: 1945-09-28
Abstract: 643,968. Machines for moulding concrete blocks. STANCLIFFE, C. W. Sept. 28, 1945, No. 25163. [Class 87 (ii)] A machine for moulding concrete blocks each having a succession of layers of different materials or mixtures comprises a mould, means for raising the sides of the mould by amounts equal to the thickness of the successive layers, retaining stops projecting from one of the sides of the mould, and means whereby the stops may be released. The machine shown is for making blocks having concrete layers joined by metal ties. The mould is an open-bottomed box having sides 31. A pallet 45 rests on a plate 46 carried by posts 33 projecting from a base 34. The mould is raised by means of levers 36 pivoted on a platform 35 and connected by links 37 to the mould. One of the mould sides has stops 38, 39, 40 secured thereto, and the mould may be held raised in any one of three positions by positioning the end of a pivoted strut 41 under one of these stops. The strut is urged towards the mould by a spring 43 and may be released by means of a pedal 42. In operation the mould is held in its lowermost position by engaging the strut with the stop 40, and the first layer of concrete is filled into the mould and screeded off. Then the mould is raised and the strut engaged with the stop 39, whereupon sand is filled in and the metal ties inserted. Then the mould is raised again, the strut is engaged with stop 38, as shown, and more concrete is filled in and screeded off. Finally the mould is lowered and the block on the pallet 45 moved on to platform 35.
Patent GB-202536-A (GB)
Title: Improvements in or relating to lubricating devices
IPC: F16N7/34
Filed: 1922-09-19
Abstract: 202,536. Weckman, F. Sept. 19, 1922. Lubricant conveyed by fluid. - In apparatus or machines operating with compressed air, steam, or other fluid under pressure, oil is supplied to the inflow conduit from a reservoir 6, Fig. 2, through an adjustable drop jet 1, the de- Jivery being due to suction and operating whether the pressure in the conduit is constant or variable. The end of the jet 1 lies in a groove 2 communicating with the conduit by an opening 5. Fig. 4 shows the device combined with a valve for shutting off the pressure fluid. In the open position as shown oil from the reservoir 18 passes through the jet to a chamber 26 communicating with the conduit by a passage 27. The valve is closed by turning a screwed sleeve 34, which brings together the valve surfaces 23, 24. The end of the valve stem 30 of the jet then drops into a recess 31 and the spring 32 closes the valve, stopping the flow of oil. On opening the pressure-fluid valve the stem 30 is raised by a stepped portion of the floor of the chamber 26. A filling plug 43 fitted with a ball valve 44 is provided. A filter 47 in the main conduit acts also as a vapouriser for the oil. The device may be used to supply oil to the induction pipe of an internal-combustion engine.
Patent GB-191786-A (GB)
Title: Improvements in ball or roller bearings
IPC: F16C29/04
Filed: 1921-09-24
Abstract: 191,786. Forbes, A. W. Sept. 24, 1921. Ball or roller bearings; rectilinear-motion bearings.-In a ball or roller bearing for sliding and for rotary motion, the cage member carries a corelating member engaging oppositely-directed diagonal grooves or guides formed in the two race elements, whereby the movements of the three elements are co-related. In a modification, a groove or guide is formed only in one of the race members, whereby the cage member is positively related only to that race. The co-relating member consists of a ball, roller, or slide-block carried in a slot in the cage member. By varying the angle of one groove relative to the other, the relative movements of the three elements may be varied. Fig. 1 shows the three elements of a rectilinear-motion roller bearing in which a corelating ball D is carried in the cage member C in the space 5 between two of the rollers 1 and engages oppositely-directed diagonal grooves 3, 4 in the elements A, B respectively. To increase the travel, the grooves may be extended in zigzag form. Fig. 5 shows a ball bearing in which the two races A, B may have flat, curved or spiral surfaces, grooved to receive balls F carried by a cage C, the co-relating ball D being carried in a slot 5 in an extension E of the cage and the co-relating grooves 3, 4 being formed in extensions A<1>, B<1> of the races A, B. These extensions A<1>, B<1> may be the core and crown respectively of a square-threaded screw and nut. Fig. 6 shows such a screw, a cage for use therewith being composed of a number of semi-cylindrical portions.
Patent GB-1129270-A (GB)
Title: Improvements in or relating to load-engaging and hoisting apparatus
IPC: B66C1/66
Filed: 1967-06-01
Abstract: 1,129,270. Devices for engaging and lifting articles. CONSTRUCTIONS MILLS-"K". 1 June, 1967 [3 June, 1966], No. 25434/67. Heading B8H. A lifting device has load engaging arms 6, 7, 8, 9, Fig. 1, pivoted to heads 4, 5, which are slidably mounted on a beam comprising members 1a, 1b. The arms 6-9 are manipulated by slidable handles 10-13. Brackets 23-26 may have their plates 23 inserted between the members la, 1b so that slings may be suspended from the extremities of the arms 26. In a second embodiment, Fig. 4, arms 47a, 47b are pivotally suspended at various points along beams 41, 42 between locating plates 52. The distance between the beams is adjusted by telescopic tubes 43a, 43b, 44a, 44b, the ends of which fit into sleeves 59a, 59b. Fig. 6a shows a handle 90 for opening load engaging arms 82, 83. Pulling the handle causes a wedge to push sliding rods outwards thereby pivoting the arms about pins 84, 85. Movement of the sliding heads and arms could be by mechanical, electrical or pneumatic devices.
Patent GB-716103-A (GB)
Title: Improvements in cosmetic powder boxes
IPC: A45D33/00
Filed: 1949-10-04
Abstract: 716,103. Cosmetic containers. FANCY METAL GOODS, Ltd., and LEITER, H. Oct. 4, 1950 [Oct. 4, 1949], No. 25442/49. Class 18 A recess for a lipstick holder 13 is provided by co-acting recesses 10, 11 in body 1 and hinged lid 2 respectively of the outer receptacle of a powder box. The recess 10 is exposed by a slot in a sheet-metal frame 8. The lid 2 is fitted with a mirror 3 and the outer and inner lids 2, 6 are held closed by catches 4, 9. Specification 716,106 is referred to.
Patent GB-534579-A (GB)
Title: Improvements in or relating to the preparation of resinous materials
IPC: C08F212/08
Filed: 1939-09-08
Abstract: 534,579. Vinyl polymerization products: ethers and esters. TENNANT, W. J. (Dow Chemical Co.) Sept. 8, 1939, No. 25468. [Class 2 (iii)] Copolymers are prepared by heating styrene or partially polymerized styrene with one or more derivatives of 1.4-dioxanediol-2.3 having the general formula wherein Y is an unsaturated ether or ester radicle containing at least one ethylenic linkage. Ethers and esters specified are 2.3- diallyloxy-dioxane-1.4, 2.3-di-(2-methylallyloxy)-dioxane-1.4, 2.3-di-crotyloxy-dioxane 1.4, 2.3-di-cinnamyloxy-dioxane-1.4, 2.3-difurfuryloxy-dioxane-1.4, and the di-acrylate, dimethacrylate, di-tiglate, di-vinylacetate, dicinnamate, di-furoate, di-crotonate, and dioleate of 1.4-dioxanediol-2.3. The polymerization may be accelerated by actinic light, or a polymerization accelerator such as benzoyl peroxide, ozone or strong mineral acid, in the presence or absence of solvents or emulsifiers ; plasticizing agents, fillers, pigments and dyes or other effect materials may be added before or after the co-polymerization. The mixture of monomers may be stabilized against premature polymerization by the addition of an inhibitor such as quinone or trinitrobenzene. The polymers are soluble in, or substantially insoluble in, aromatic solvents, e.g. benzene, depending upon the conditions of preparation. The polymers are transparent mouldable solids which have di-electric properties and which may be used in the preparation of varnishes, lacquers, paints, coating and impregnating compositions, films, foils, and laminations. In examples, (1) to (3) and (5) to (8), styrene is heated with the di-cinnamate of 1.4-dioxanediol- 2.3 (with or without the addition of benzoyl peroxide), the di-furoate, di-crotonate, or the di-oleate of 1.4-dioxanediol-2.3, 2.3-diallyloxydioxane 1.4 or a mixture of 2.3-di-2-methylallyloxy-dioxane-1.4 and 2-(2'-methylallyloxy) - 3-chloro-dioxane-1.4, (4) and (10) a mixture of partially polymerized styrene and the dicinnamate of 1.4-dioxanediol-2.3 is heated either alone or in an aqueous solution of albumin, and (9) a solution of styrene and the di-crotonate of 1.4-dioxanediol-2.3 in benzene is heated to a stiff gel from which the polymer may be precipitated by the addition of ethanol. Ethers and esters of 1.4-dioxanediol-2.3 are prepared by reacting 2.3-dichlorodioxane-1.4 with unsaturated alcohols or acids. 2-(2-methylallyloxy)-3-chloro-dioxane- 1.4 is prepared by reacting 2-methylallyl alcohol with 2.3-dichloro-dioxane-1.4.
Patent GB-144175-A (GB)
Title: Improvements in or relating to dynamo-electric machines
IPC: H02K23/30
Filed: 1919-10-17
Abstract: 144,175. Clifford of Chudleigh, (W. H. Clifford], Baron. Oct. 17, 1919. Windings; commutators.-A dynamo-electric machine of the commutator type, having twice as many commutator segments as there are rotor slots, is constructed with the rotor slots obliquely disposed, and with the ends of the rotor coils connected to every other commutator segment 2, 4 - - 16, the remaining segments 1, 3 - - 15 being connected to intermediate points in successive rotor coils. The invention is particularly applicable to motors for driving machine tools.
Patent GB-1428665-A (GB)
Title: Document retrieval apparatus and method
Inventor: KALTHOFF ROBERT J
IPC: B65G1/137
Filed: 1972-12-29
Abstract: 1428665 Document retrieval apparatus OK PARTNERSHIP 29 Dec 1972 [29 Dec 1971 (2)] 25818/75 Divided out of 1428664 Heading G4M The disclosure is the same as that of parent Specification 1,428,664. The claims are directed to moving trays of edge coded cards.
Patent GB-584559-A (GB)
Title: Improvements relating to adjustable wrenches and the like
IPC: B25B13/16
Filed: 1944-12-27
Abstract: 584,559. Casting composite articles. HUMPHRIS, G. Dec. 27, 1944, Nos. 25869 and 26870. [Class 83 (i)] [Also in Group XXIII] The two jaws 2 and 4 of an adjustable wrench are carried by shanks 1, 3, one of which, 3, is screw-threaded and longitudinally adjustable inside the other under the control of an internallythreaded member 5 journalled in the outer shank 1 and projecting from the end remote from the jaws. In manufacturing the wrench, the adjusting member 5 serves as a core in a casting process by which the adjusting member is attached to the outer shank 1 which may be of a zinc base alloy. Thus, the outer shank may itself be cast to shape in the casting process or, alternatively, the casting process may consist in introducing cast metal into an annular space between the adjusting member and a member forming the whole or part of the outer shank. In a modification, the outer shank is formed from metal tubing having a jaw welded to one end.
Patent GB-264767-A (GB)
Title: Improvements in and relating to carving forks
IPC: A47G21/02
Filed: 1926-10-18
Abstract: 264,767. Sumner, W. Oct. 18, 1926. Carving-forks are provided with three prongs 2 at one side and two prongs 3 at the other, arranged transversely to the shank 5 and curved as shown. The centre prong 2 may be longer than the others, and a guard 6 may be pivotally or rigidly attached to the shank. In a modification the prongs are attached to the shank by a ball joint, allowing the prongs to be placed parallel to the shank when the fork is not of use.
Patent GB-299973-A (GB)
Title: Improvements in means for guiding blank ammunition into the chambers of lewis .303 machine guns
IPC: F41A9/54
Filed: 1927-10-01
Abstract: 299,973. Curran, J. M. Oct. 1, 1927. Machine guns.- For use in firing blank ammunition a blade F is pivoted at S on a stud D secured to the side of a Lewis gun against a washer E, and the blade is urged by a spring C through a slot in the breech casing and held just behind the chamber of the gun to support blank cartridges during the loading stroke of the breech-block. The front of the blade has an upward lip L, which guides the nose of the cartridge into the chamber of the gun; and the rear of the blade has a downwardly bent edge M, over which the breech-block rides to complete its closing stroke. The blade does not interfere with ordinary firing with ball cartridge, but may, if desired, be swung out after the spring C is disengaged therefrom.
Patent GB-943406-A (GB)
Title: Improvements in and relating to tobacco pipes
IPC: A24F5/04
Filed: 1959-07-30
Abstract: 943,406. Tobacco pipes. A. G. SHAW. Oct. 28, 1960 [July 30, 1959], No. 26184/59. Heading A2M. A bowl grate is formed by open-ended aluminium or ceramic tubes extending completely through the bowl sides. An absorbent pad 6 in a closure plug 5 may be provided.
Patent GB-791441-A (GB)
Title: Improvements connected with the setting of the bristles of brushes
Inventor: HANKIN ROBERT WILLIAM
IPC: A46B3/12
Filed: 1955-09-13
Abstract: 791,441. Brushes. LEE & JAMES, Ltd. Sept. 12, 1956 [Sept. 13, 1955], No. 26242/55. Class 19. A brush, more particularly a paint brush, is characterized in that the butt ends of the bristles of the brush are introduced together with unsaturated polyester resin into a ferrule or a cavity in the stock of the brush and are secured therein by subsequent polymerization of the resin.
Patent GB-465714-A (GB)
Title: Improvements in and relating to tail skids or tail wheels for aircraft
IPC: B64C25/50
Filed: 1936-09-29
Abstract: 465,714. Alighting-gear for aircraft. ELEKTRONMETALL GES. Sept. 29, 1936, No. 26365. Convention date, Dec. 4, 1935. [Class 4] In a tail-unit for aircraft in which an axle 8, carrying the tail wheel or skid, is rotatably mounted and formed with a cam surface 9 on which bears an axially slidable member 12, the member 12 is acted upon by fluid pressure controlled by a regulator which may be under the pilot's control. The member 12 is provided with rollers 10 and a sealing sleeve 20. The casing 13 for the members 9, 12 is carried on a level pivoted at one end tc the aircraft and connected at its other end to a shock - absorber. A compression spring 16 is interposed between the axle 8 and the member 12.
Patent GB-643006-A (GB)
Title: Improvements in and relating to capacitors
IPC: H01G4/16
Filed: 1945-10-10
Abstract: Kraft pulp for the manufacture of dielectric paper is partially p bleached with sodium chlorite avoiding degradation of the cellulose, followed by 4 to 6 per cent sodium hydroxide solution and washing with dilute acetic acid and then with water.  Some lignin is removed. Specifications 363,191 and 394,828, [both in Group XXXV], are referred to.ALSO:Kraft pulp for the manufacture of dielectric paper is partially bleached with sodium chlorite avoiding degradation of cellulose, followed by 4 to 6 per cent sodium hydroxide solution and washing with dilute acetic acid and then with water.  Some lignin is thus removed.  Specifications 363,191 and 394,828, [both in Group XXXV], are referred to.
Patent GB-327109-A (GB)
Title: Improvements in or relating to charge forming devices for internal combustion engines
IPC: F02M1/00
Filed: 1928-09-22
Abstract: 327,109. White, A. E., (Delco-Remy Corporation). Sept. 22, 1928. Spray carburettors.-A charge-forming device for internal-combustion engines comprises a plurality of primary carburettors, each of which is adapted to supply mixture to a secondary mix. ing-chamber formed in a branch of a main air manifold, the branches each communicating with one or more of the cylinders of the engine, and a common duct for supplying liquid fuel to the primary carburettors, which duct contains a suction-actuated. fuel regulating valve. As shown, the device comprises an air manifold 10, Figs. 1 and 2, provided with an air inlet elbow 17 and branches 11 - - 13, each of which is connected to an engine intake port, a float chamber 60, and a block 74, Figs. 1, 2, and 4, provided with three primary mixing chambers 76 - - 78 which supply rich mixture to the branches 11 - - 13. The air inlet 17 is controlled by a spring-loaded suctionactuated valve 20, Fig. 2, connected to the piston 26 of a dashpot 25 mounted in the float chamber 60. The primary mixing chambers 76 - - 78 are fed with fuel through metering jets 81 supplied by a common duct 71, Fig. 2, containing a non- return valve 112 and a suction-actuated valve 110 provided with an aperture 111 through which fuel is drawn when the suction is insufficient to. lift the valve. The air inlets of the primary mixing chambers are each fitted with a bushing 82, Figs. 1 and 4, provided with a projection 83 adjacent the fuel jet 81. To equalize the suction in the primary mixing chambers, they are each provided with an aperture 116 in the same location relative to the fuel jet therein, the apertures being connected by a duct 115. The primary mixing-chamber 77 communicates by a passage 93, Fig. 4, with an aperture 92 in a venturi tube 90 situated in the branch 12 of the manifold, and the primary mixing chambers 76, 78 are connected by conduits 94 to similar venturi tubes situated in the branches 11, 13, the construction being preferably such as that shown in Specification 327,126. Throttle valves are provided in the branches 11 - - 13 on the engine side of the venturi tubes and are provided with shafts 96,. Fig. 1, interconnected by universal joints 97 and simultaneously operated by an arm 98. A depression.equalizing duct 106 connects the branches 11 - - 13 on the engine side of thethrottle valves.
Patent GB-155693-A (GB)
Title: Improvements in folding hood fittings for road vehicles
IPC: B60J7/12
Filed: 1919-10-28
Abstract: 155,693. Jeffery, F. T. Oct. 28, 1919. Hoods.-In folding hoods in which the front sticks D are extended beyond the pivots, such extensions E being connected to the back sticks C, the end portions B of the back sticks are shaped to ride on pins or studs A preferably carrying rollers, during the first part of the raising movement, thus causing all the sticks to be moved out of the enclosure G together. The back sticks rest on the rollers when the hood is down.
Patent GB-426204-A (GB)
Title: Improvements relating to windscreen cleaners
IPC: B60S1/52
Filed: 1933-09-27
Abstract: 426,204. Windscreen-cleaners. BAKER, B. H., 89, Holland Park, Notting Hill, London. Sept. 27, 1933, No. 26568. [Class 138 (i)] A nozzle m adapted to spray on the windscreen water or other liquid pumped from a tank or from the cooling system of a vehicle, is connected to the arm c of a windscreen-cleaning blade b. A flexible tube h connects the nozzle to the pipe conveying liquid from the pump. The nozzle is adjustably secured to the arm c by a screw b. Specification 344,201 is referred to. The Provisional Specification also describes arrangements where the liquid issues to the screen by a pipe leading to perforations or slots in the wiping blade.