baber/WOPTO huggingface dataset:
Patent GB-916166-A (GB)
Title: Clamping means for bladder of pressure vessel
Inventor: MERCIER JAQUES HENRI
IPC: F15B1/16
Filed: 1959-02-27
Abstract: 916,166. Hydraulic accumulators. GREER HYDRAULICS Inc. Feb. 27, 1959, No. 6961/59. Class 69 (2). An hydraulic accumulator comprises a deformable bladder having a mouth with a thickened portion 36 which is secured to the port 18 of a rigid container 17 by a plate 41 clamped against the opposed surface of a disc 21 having a stem 22 extending through the port, the opposed surfaces of the disc and plate forming an annular cavity C in which the thickened portion of the bladder is compressed and an annular opening in which the portion is of the bladder outside the thickened portion substantially uncompressed. The stem 22 of the disc is screw-threaded to receive an air valve 27 and has a groove 42 in which retaining means 43 consisting of two or more arcuate segments can be fitted to clamp the plate and disc together. A spacer member 46 of resilient material is fitted around the segments 43 and has an upstanding ridge 47 which seals a space 55 when the assembly is secured to the container by a nut 52; the number 46 also prevents the bladder being extruded between the plate 41 and container when the air pressure in the bladder is high. A porous plug 25 of sintered material, such as bronze, prevents the bladder being extruded through the bore of the stem when the air is exhausted from the bladder. The thickened portion 36 of the bladder may be bonded into the annular cavity C. In other embodiments, the retaining means 43 consists of a nut screw-threaded into the stem 22.
Patent GB-421235-A (GB)
Title: Improvements in bomb-dropping devices in toy aeroplanes
IPC: A63H27/00
Filed: 1934-03-05
Abstract: 421,235. Mechanical and like toys. DEEG, P., 12a, Peterstrasse, Nuremberg, Germany. March 5, 1934, No. 6993. [Class 132 (iii)] In a toy aeroplane for travelling on a plane surface or for suspension from a cord, the winding spindle 7 of the clockwork mechanism 4 of the plane carries a double-sided vane arm 14 which on rotation revolves a pair of shafts 16 provided with hooks 18 for carrying bombs 19, the bombs being released when the hooks contact with stripper screens 20, Fig. 2. Motion is imparted to the wheels of the plane from a branch spindle 9 and gearing 8, 10, a horizontal spindle carrying the propeller 6. The spindle 7 carries a gear wheel 12 provided with teeth, cams, catches, &c., which slide over a spring blade 13 to simulate the rattling noise of machine-gun fire. The two-part bombs have percussion caps between their parts. In a modification, the spindle 7, Fig. 7, passes through a toothed wheel 8 carried by a bridge-piece 9 below the supporting planes 3. The bridge-piece serves as a guide for two relatively slidable toothed rods 16 engaging the gear wheel 8. The rods carry the bombs 19 between guide brackets 20 attached to the planes and movement of the rods inwardly under the action of the rotating spindle 7 strips the bombs off their hooks by contact with the brackets. The planes with the bomb-dropping device can be removed as a unit to facilitate packing of the toy.
Patent GB-769241-A (GB)
Title: Improvements in and relating to asymmetrical photographic objectives
IPC: G02B9/12
Filed: 1955-03-10
Abstract: 769,241. Photographic objectives. SCHNEIDER, M. C. March 10, 1955 [March 13, 1954], No. 7038/55. Class 97(1) A photographic objective consisting of a simple beam core dispersive lens enclosed between a simple front collective lens and a rear collective lens formed of two lenses of opposite power cemented together at a surface which is collective and convex towards the front, the front airspace being greater than 50 per cent but smaller than 80 per cent of the rear airspace and the refractive index of all the lenses being greater than 1.61 but less than 1.75 is characterized in that the refractive index of the front lens is greater than 1.67 and that of the biconcave lens does not exceed 1.64 and differs from the refractive index of the negative element of the rear member by less than 0.01 whilst the rear positive element of the rear member has a refractive index of more than 1.71, the centre thickness of the front lens being at least 9 per cent of the focal length of the centre objective and the radius of the cemented surface in the rear member being equal to or greater than 95 per cent of the said focal length. Numerical data are given for one example of the objective shown.
Patent GB-1356397-A (GB)
Title: Containers
IPC: B65D21/04
Filed: 1971-03-16
Abstract: 1356397 Nestable and stackable containers STEWART PLASTICS Ltd 3 Dec 1971 [16 March 1971] 7048/71 Heading B8P A plastics container, that may be injection moulded, has sloping walls 4, 4a, with recesses 5 in these walls asymetric with respect to recesses in the opposite wall, the recesses being extended  downwardly to form legs 7. Flanges 9 at the top of each wall 4, 4a have depressions 11 so positioned that if one container is turned through 180 degrees with respect to a lower container they may be stacked one upon the other. Before turning through 180 degrees the containers are capable of nesting. The depressions may be strengthened by a web (13, Fig. 2) on their undersides.
Patent GB-971306-A (GB)
Title: Improvements in superconductive transmission lines
IPC: G11C11/44
Filed: 1961-02-27
Abstract: 971,306. Superconductor circuits. INTERNATIONAL BUSINESS MACHINES CORPORATION. Feb. 27, 1961 [March 21, 1960], No. 7070/61. Heading H3B. Current is switched from one limb to another of a circuit comprising parallel superconductive lines 12, 14, Fig. 2, by driving a cryotron gate 12a or 14a resistive in the line carrying the current. The superconductors are deposited on a superconductive shield with an intervening layer of insulating material. To switch at a high speed, a resistive gate 12a has a resistance of twice the characteristic impedance of the line 12. If 12a is made resistive when a current flows in line 12, wave fronts travel from 12a in both directions around loop 10. The transfer of current from 12 to 14 is complete when the two waves complete the circuit of the loop and return to gate 12a simultaneously. The currents flowing in lines 12 and 14 are detected by cryotron gates 44, 46. In another arrangement, Fig. 3, current from a source 70 may be switched to a short superconductive limb 78 or to a longer superconductive limb 80 by means of cryotron gates 78a, 80a and control conductors 92, 96. Gate 78a, when driven resistive has a resistance equal to the characteristic impedance of the line formed by the strip 80 and shield 84. In Fig. 4 current is switched between paths 122, 124 of loop 120 by cryotron control conductors 130, 132. The two paths 122, 124 control the conductors in pairs by means of control conductors 122b, 124b, 122d, 124d, 122f, 124f. Each narrow control conductor 122b and its associated wider conductor 122c together present a characteristic impedance equal to the characteristic impedance of line 123 which matches the resistance of gate 122a. Specifications 935,208 and 970,159 are referred to.
Patent GB-1121642-A (GB)
Title: New organic rhodium complexes and uses thereof
Inventor: COFFEY ROBERT STEVENSON
IPC: C07C5/03
Filed: 1965-02-18
Abstract: Hydrocarbons containing one or more olefinic or acetylenic bonds are hydrogenated using as catalyst a rhodium complex of formula RhX(R1R11R111Y)3 wherein X is an anion, Y is phosphorus, arsenic or antimony and R1, R11 and R111 are the same or different and are hydrocarbon, substituted hydrocarbon or heterocyclic groups.  The process is preferably carried out in an inert solvent. Example 2 describes the hydrogenation of octene-1, octene-2, vinyl cyclohexene, cyclohexene and di-isobutylene to fully saturated products, and of phenyl acetylene to a mixture of styrene and ethyl benzene.ALSO:The invention comprises rhodium complexes of formula Rh(X)R1R11R111Y)3, wherein Y is phosphorus, arsenic or antimony, X is an anionic element or group and R1, R11 and R111 are the same or different and are hydrocarbon, substituted hydrocarbon (such as alkoxyaryl) or heterocyclic groups.  They may generally be prepared by reacting a monovalent rhodium complex containing replaceable neutral ligands with YR1R11R111.  The monovalent rhodium complex may for example be RhX(Ph3P)-(cyclo-1,5-octadiene) or preferably is a complex of formula (RhXZ2)n in which Z represents a mono-olefine and n is 2; or Z represents an acyclic conjugated di-olefine and n is 1.  The particular compounds RhX(Ph3P)3 may also be prepared from the rhodium salt of X, by heating the rhodium salt with at least a four-fold molar excess of triphenyl phosphine in a suitable solvent.  X, in the compounds may, for example, be a cyanide, cyanate, carboxylate or SnCl3- group but is suitably a halogen.  The examples describe the preparation of RhCl(Ph3P)3, RhBr(Ph3P)3, RhI(Ph3P)3, RhCl(Ph2EtP)3, RhCl[(P-C6H4Cl)3P]3, and RhCl(Ph3A5)3.  The compounds (RhXZ2)n above, when Z is a mono-olefine and X is chlorine, may be prepared by reacting RhCl3 in an alcohol solution with the mono-olefine. (RhCl(cyclo-octene)2)2 may be prepared in this way. When Z is an acyclic conjugated diolefine, the compounds may be prepared by digesting [RhCl(cyclooctene)2]2 with the appropriate diolefine.  The invention also comprises a hydrogenation process comprising contacting a compound containing one or more olefinic or acetylenic bonds, and hydrogen with a rhodium complex of the invention. Propionitrile is formed in Example 2 by the hydrogenation of acrylonitrile, using as catalyst a compound of the invention.
Patent GB-628105-A (GB)
Title: Improvements in or relating to submarine signalling apparatus
IPC: A23L2/78
Filed: 1945-03-21
Abstract: 628,105. Subaqueous signalling apparatus. SUBMARINE SIGNAL CO. March 21, 1945, No. 7204. Convention date, Dec. 7, 1942. [Class 118 (ii)] A supersonic sound transducer is arranged to be rotatable about a vertical axis within a housing which is pivoted about a horizontal axis beneath a vessel so that it may be accommodated when not in use within a sea chest built into the bottom of the vessel. Projecting inwardly from the skin 1 of the vessel is a sea chest 2 comprising side walls 4, 5, arcuate back wall 3 and front wall 6, 7, 8. A streamlined housing 10 is mounted by shafts 12, 13 secured to an upper sealed chamber 11, the housing 10 being filled with water due to openings 42. A sector gear 14 is mounted on shaft 13 and is rotated by hand-wheel 17 and worm 15 to lower the housing 10 below the skin of the vessel. The sound transmitting and receiving unit 20 is supported within the housing by the hollow shaft 21 which is rotatable by the bevel gearing 22, 23 and the hollow shaft 25 which fits within the hollow shaft 13. Shaft 25 is rotatable by means of bevel gear 26 and hand-wheel 29 which is provided with a pointer and scale 72, 73 to indicate the orientation of the unit 20. The electrical connections to the transducer are led through hollow shafts 25 and 21 via sliprings 66, 67 and slip-rings and brushes 61, 62; 63, 64; 46, 47; and 35, 36. The rear wall 70 of the housing may be constructed of soundreflecting material to shield the unit in the direction of the vessel's propeller while the front 71 may be made of sound-transparent material such as rubber with sound transmission properties similar to water.
Patent GB-115887-A (GB)
Title: Improvements in or relating to Brush-making Machines.
Inventor: SHIPLEY ARTHUR HAMMOND
IPC: A46D3/08
Filed: 1917-05-21
Abstract: 115,887. Shipley, A. H., and Berry, A. B. May 21, 1917. Brush-making machines. - In a brush-making machine having a support for holding the brush stock up to the operating-tool and means for automatically locking it in the operative position, means are provided whereby the support can be released and relocked by the operator at any time after being automatically locked. In the machine shown in Fig. 1, the sliding rest or support 2 for the stock 3 is operated from the cam 9 through a lever 7, spring 6, and adjustable connexion 5. The rest is formed at its rear end with teeth 11, with which engages the spring-pressed pawl 12 whereby the rest is automatically locked in its operative position. The pawl is lifted to free the rest, at the end of the stroke of the operating-tool 1, by the finger 18, carried bv the lever 7, lifting the lever 21, which in turn lifts the lever 27. The lever 27 is pivoted at 25 and engages with its free end the projection 28 on the pawl 12. The pawl can also be independently operated by means of a cam-lever 29 pivotally mounted at 31 on the lever 27. Movement of this lever 29 raises and lowers the lever 27, and consequently the pawl 12, without in any way interfering with the automatic movements set up by the cam 9. In a modified arrangement, the lever 27 may be operated from an eccentric or crank rotated by hand cr foot operated means.
Patent GB-473871-A (GB)
Title: Improvements in material testing machines
IPC: G01N3/06
Filed: 1937-03-12
Abstract: 473,871. Testing physical qualities of materials. SANDBERG, C. P., SANDBERG, O. F. A., and HUMFREY, J. C. W. March 12, 1937, No. 7320. [Class 106 (ii)] Relates to the type of machine in which a load applied to a test piece is also applied to a resilient member, usually a spring beam, and the resulting deflections are employed to produce a graphical record, and consists in arranging the transmission means from the load applying means to the recording device so that no recording movement takes place when the length of the specimen remains constant. An L-shaped piece 1 is adapted to pivot on a base 2. Rigidly fixed to the piece 1 are knife edges 3, 4, the member 1 pivoting about knife edge 3 on a seating 5 and being supported by a ball 6 immediately below. The knife-edge 4 bears on a seating 7 carried by a shackle 8, the opposite shackle 11 being pivotally attached to a screw 12 carried non-rotatably in an upright 13. A nut 15 engages the screw and abuts against the part 13. The nut 15 is formed as a worm wheel and is extended to carry a small drum 16. Fixed to the part 1 is a spring beam 17 and a hollow bar 20. The other end beam 17 is slotted to engage a fixed pin 18. Sliding on the beam 20 is a pen carriage 21 while carried on the beam is a chart plate 19. A cord 22 attached to the carriage passes over a pulley 23 to a spring 24 fixed inside the hollow bar. A cord 29 is passed over a pulley 30 on the bar, around a fixed pulley 30a, across the bar and over a pulley 31 and is attached to the drum 16. The dumbell specimen 40 is carried in half grips 36 as in Figs. 5a, 5c, these being slipped into sockets in the shackles. The arrangement is such that when the handle 35 is turned to stress the specimen, the beam is turned about its pivot and the slack of cord 29 is wound on drum 16, the proportions being such as to do this without movement of the pen carriage. When specimens extends the pen moves proportionally the chart moving according to load. The pen is weighted to be jerked upward when breakage occurs.
Patent GB-848078-A (GB)
Title: Improvements in and relating to fluid-heating apparatus
Inventor: ELLIS CHARLES HENRY
IPC: F28D7/06
Filed: 1956-03-08
Abstract: 848,078. Heating liquids in bulk; heating systems for maintaining temperature of pipe lines. CHARLTON ENGINEERS Ltd., H. E. June 11, 1957 [March 8, 1956], No. 7341/56. Classes 64(2) and 64(3) A fluid is heated in flowing through the annular spaces between concentric tubes 22, 23 of a heat exchanger constructed as shown, the heating fluid e.g. steam entering the compartment A of the heat exchanger 10 and flowing thence through the U-tubes 23 and further steam entering compartment C of the heat exchanger and flowing over tubes 22. The heat exchanger may, as in the form shown, extend into a tank 42 thereby to heat a viscous liquid as it is withdrawn from the tank through the annular spaces between the tubes 22, 23 and a compartment B of the heat exchanger from which it is discharged through an outlet. A deflector plate 43 mounted at the end of the heat exchanger casing 10 directs the viscous liquid to the annular spaces between the tubes 22, 23. In a modification (Fig. 7, not shown), a sleeve attached to the deflector plate forms an annular passage between itself and the casing 10 through which viscous liquid passes before entering the heat exchanger. In a further modification (Fig. 8, not shown) said to be suitable for heating a fluid flowing through a pipe line, the deflector plate 43 is replaced by a header.
Patent GB-759761-A (GB)
Title: Chassis construction for motor road vehicle
Inventor: MUELLER ALFRED
IPC: B62D31/02
Filed: 1953-03-17
Abstract: 759,761. Spring suspensions. LEYLAND MOTORS, Ltd. June 17, 1954 [March 17, 1953], No. 7360/53. Class 108 (2). [Also in Group XXXI] In an omnibus or like public passenger vehicle the forward portions 4 of the frame longitudinal members are interconnected by a transverse member 6 having upswept end portions 7 bolted to the portions 4. The portions 7 carry upper and lower front wheel suspension members 8, 11, shock absorbers 16 being disposed between the upper extremities of the member 6 and the members 11. The members 11 are connected to longitudinal torsion springs anchored to the frame longitudinal members. Specifications 759,760, 759,762 and 759,763, [all in Group XXXI], are referred to.
Patent GB-490953-A (GB)
Title: Improvements in and relating to the running boards or bodies of vehicles
IPC: B60R3/00
Filed: 1937-03-15
Abstract: 490,953. Treads. MACMILLEN, S. N., and METAL MOULDINGS, Ltd. March 15, 1937, No. 7491. Addition to 451,700. [Class 20 (iv)] A tread strip for the running - boards or bodies of vehicles comprises a resilient strip c of inverted-channelshape in cross-section having inwardly - extending lips e at the base, and an internal reinforcing strip a which fits within the resilient strip and has lips adapted to overlie the lips e on the resilient strip, each of the lips on the resilient strip being provided with an upwardly-extending rib or bead f which bears against the edge of the adjacent inturned lip of the reinforcing strip. The reinforcing strip a, which may be of sheet-metal or extruded aluminium, is provided with side flanges of arcuate shape in cross-section so as to form the inturned lips. The tread strip is secured to a running-board by bolts g or metal tabs having head portions adapted to slide in the channel portion of the reinforcing strip ; the shanks of the metal tabs are threaded through apertures in the running-board and then twisted so as to engage the underside of the latter. The ends of the tread strip may be finished by forming the ends of both the resilient strip c and metal strip a with a central V-shaped notch and then pressing the end portions together to the form shown in plan in Fig. 5. Each end of the tread strip may, alternatively, be capped by a metal member which is approximately of triangular shape in plan and has depending flanges fitting over the ends of the tread strip, the cap being secured to the running-board by a screw or bolt. In a modification, such a cap, instead of fitting over the end of the tread strip, butts against the end thereof, and is provided with a projecting tongue q, Fig. 6, which fits within the end of the metal strip a ; this cap may be spot-welded to the metal strip a.
Patent GB-558683-A (GB)
Title: Improvements in or relating to the production of dialkyl esters of dimethylol urea
IPC: C07C275/10
Filed: 1942-06-02
Abstract: 558,683. Methylolurea derivatives. BRITISH INDUSTRIAL PLASTICS, Ltd. June 2,1942, No. 7501. Convention date, July 26, 1941. [Classes 2 (ii), 2 (iii) and 15 (ii)] [Also in Group VIII] Dimethylolurea is reacted with an alcohol at a temperature below 30‹C. and at a pH less than 4 in the presence of an acid which forms an insoluble salt and the acid then removed by precipitation. In an example, dimethylolurea is reacted with methylalcohol at pH 2.8 in the presence of oxalic acid. The acid is precipitated by means of barium hydroxide and the solution concentrated. A crystalline product is obtained by adding toluene and concentrating at a temperature not exceeding 50‹C., while a resinous ether is obtained by allowing the temperature to rise to 90‹C. while concentrating. The production of ethyl, propyl and butyl ethers is mentioned and the use of sulphuric and phosphoric acid. The ethers may be used for crease proofing textiles and for increasing the wet strength of paper. They may be mixed with alkyd resins and with solutions of cellulose esters or ethers which may. be applied to a surface. After drying and heating in the presence of an acid reacting material, the cellulose derivative is rendered insoluble. Specification 266,752, [Class 2 (iii)], is referred to.
Patent GB-843169-A (GB)
Title: Improved lubricating oil compositions and fuels suitable for use in two-stroke internal combustion engines
Inventor: REECE DONALD
IPC: C10L1/14
Filed: 1959-03-04
Abstract: A lubricating composition, suitable for addition to a leaded gasoline to be employed as fuel for a two-stroke internal combustion engine, comprises a mineral lubricating oil, a minor proportion of an oil-soluble metal salt of an organic acid, a minor proportion of a halohydrocarbon having a vapour pressure of at least 0.1 mm. of mercury at 50 DEG C. and a proportion of an oil-soluble solid glyceride of one or more fatty acids having a free acid content of less than 5% by weight.  The lubricating oil may be blended with a fatty oil (e.g. rapeseed oil) or with a synthetic oil (e.g. a polymerized olefine or an ester such as dioctyl sebocate or trioctyl phosphate).  The composition may be diluted with a hydrocarbon oil (e.g. kerosine) having a volatility intermediate that of the lubricating oil and gasoline. The composition may also contain an additive (of the type described in Specifications 717,727 and 718,567) to reduce spark plug fouling, e.g. oleic acid, octadecene-1, octadecenylamine, alpha - pinene or cyclohexene.  The oil-soluble metal salt of an organic acid employed in the composition may be a salt of an alkyl-substituted salicylic acid or of a condensation product of formaldehyde with an alkyl-substituted phenol.  The gasoline may be leaded with tetra-ethyl lead or other tetra-alkyl lead.  In an example, a lubricating composition consisting of mineral lubricating oil, a basic calcium salt of mixed C14-C18 alkyl salicylic acids, ethylene dibromide, tallow and kerosine is added to a gasoline composition containing tetra-ethyl lead, ethylene dibromide and ethylene dichloride.  The effect of omitting the tallow is described.
Patent GB-1031802-A (GB)
Title: Differential speed control of belt driven systems
IPC: D21F5/02
Filed: 1963-02-26
Abstract: 1,031,802. Drying apparatus. CONSOLIDATED PAPER (BAHAMAS) Ltd. Feb. 26, 1963 [Feb. 26, 1962], No. 7650/63. Heading F4G. [Also in Division F2] In a paper making machine, each dryer roll 7 is rotated at a slightly lower speed than the preceding one, to allow a paper web 8 to shrink in a controlled manner as it dries, by means of a drive system (see Division F2), comprising an endless driving belt 14 running on pulleys 15 of equal diameter. Endless webs 9 of felt press the paper web 8 against the surfaces of the drying rolls.