baber/WOPTO huggingface dataset:
Patent GB-1049422-A (GB)
Title: Olefin disproportionation and dehydrogenation
IPC: C07C6/04
Filed: 1963-06-11
Abstract: A diolefine is obtained by the dehydrogenation of a lighter or a heavier olefine obtained from the catalytic disproportionation of an olefine feed.  The preferred olefine feed is propylene; other 1- or 2-alkenes of 3-16 carbons may be used. Disproportionation is effected at 150-500 DEG  F., 0-1500 p.s.i.g. with a WHSV of 0.5-20 in the presence or absence of a diluent, e.g. a paraffin or cycloparaffin of up to 12 carbons.  A suitable catalyst is molybdenaalumina, optionally containing chromia, e.g. 0.5-30% molybdena, 0-20% chromia and 50-99.5% alumina. Preferably the heavier olefine product is dehydrogenated; in the case of a propylene feed this is a butene,which forms butadiene. The olefine may be separated before dehydrogenation or the whole effluent treated. Unreacted materials are recycled and heat is recovered from reaction effluents to heat reactor feeds and separating equipment.
Patent GB-189546-A (GB)
Title: Improvements in and relating to the feeding of bolt-blanks to finishing machines
IPC: B23Q7/00
Filed: 1921-09-01
Abstract: 189,546. Thomas, H. Sept. 1, 1921. Lathes; screwing; bolts and nuts, assembling. -Relates to making bolts and consists in mechanism for feeding bolt-blanks to machines for pointing, screwing and applying nuts. The blanks are contained in a hopper 29 and fall down a guideway in a frame 17 bolted to a block which slides between guides on the framing of the machine, being moved towards the tools by a hand-lever 22 and returned by a spring 25. In the machine shown in Figs. 2 and 3, there is a pointing device 8 of any known construction, and below it a combined screwing and nut-applying device 10 which may be of the Laudis or other known type. The bolts are held in position to be pointed by fingers 30 and at the other working station by fingers 31,- mounted on rocking shafts 33, 36 respectively, these shafts being coupled by levers and a rod 34 to which is connected a return spring 38. Coupled to the fingers 31 is a detent 37 which prevents the bolt falling past the fingers 31 when released by the fingers 30 and coupled to the fingers 30 is a detent 45 which allows the bolts to reach these fingers one at a time. When the frame is moved forward by the lever 22 a lever 39 on the rock shaft 36 passes under a pawl 40 secured to the machine framing. The screwing-dies then seize the bolt on the fingers 31 and pulls the frame further forwards so that the bolt is threaded and a nut screwed on to it, while the bolt on the fingers 30 is pointed. When the lower bolt is released by the opening of the dies, the spring 25 pulls back the frame 17 and the lever 39 rides up the pawl 40 and moves the fingers and detents from the positions shown in Fig. 2 to those shown in Fig. 3. When the lever 39 has cleared the pawl the spring 38 returns the parts to the positions shown in Fig. 2. While a bolt is being pointed its head abuts on a spring buffer 53, Fig. 5, to prevent damage to the tools from overstrain. The finished bolts fall down a shoot 60 into a convenient receptacle. A modified machine is described in which the nut-applying device is separate from, and below, the screwing- device and a third pair of fingers is provided to hold the bolt in position.
Patent GB-618071-A (GB)
Title: An improved escapement mechanism
IPC: F16B1/00
Filed: 1946-08-06
Abstract: 618,071. Escapement mechanism. LANDIS & GYR SOC. ANON. Aug. 6, 1946, No. 23321. Convention date, Aug. 22, 1945. [Class 80 (iv)] [Also in Group XIX] An escapement mechanism for obtaining single revolutions of a shaft on successive impulses and particularly applicable to counting and recording apparatus comprises an arm 4 secured to the controlled shaft 1 and carrying a pinion 5 adapted to roll around a fixed gear 6 coaxial with the shaft 1. The pinion 5 has secured to it an arm 7 co-operating with a release member in the form of a toothed pinion 8 subjected to the controlling impulses provided, for example, by a control clock. Each step of the pinion 8 releases the arm 7 and allows a complete revolution of shaft 1 by a driving motor 3 before the arm 7 engages the next tooth of the pinion, the gear ratio of gears 5 and 6 being a whole number to allow this. In a modification, a double-armed member is provided on the pinion 5 with a projection on each end adapted to be engaged by one of two abutments on a pivoted electromagnetic armature controlled by electrical impulses. In this case the gear ratio of gears 5 and 6 must give a whole number when multiplied by two. Specification 613,236 is referred to.
Patent GB-1337444-A (GB)
Title: Gearing with controllable direction of rotation
IPC: F16H63/04
Filed: 1971-04-19
Abstract: 1337444 Reversing gearing MASCHINENFABRIK FAHR AG 19 April 1971 [11 March 1970] 23370/71 Heading F2D A reversing gear for the feeder members of a chaff cutter comprises a V-belt driving pulley 2 and friction wheel 3 secured on a driving shaft 1, an intermediate driven pulley 7 and friction wheel 8 secured on an intermediate shaft 6 rotatably mounted on a rocker arm 16 pivoted about a fixed-axis stub shaft 12, rotatably carrying interconnected driven sprockets 13, 14 the latter, 14, of which is connected to the intermediate shaft 6 by a chain 15 and sprocket 9, and a V-belt 10 around the pulleys, the rocker arm 16 being positioned by a manual control lever 16 acting through a rod spring loaded so that the pulley 7 is normally urged away from pulley 2 to tension the belt 10 for drive in one direction, and may be moved via the control lever 16 against the spring loading to slacken the V-belt in a central neutral condition which may be locked by a pin 18 and may be further moved against the spring loading to urge the wheel 8 into frictional contact with the wheel 3 for drive in the opposite direction.
Patent GB-536490-A (GB)
Title: Improvements in or relating to the polarization of light
IPC: G02B5/30
Filed: 1939-08-14
Abstract: 536,490. Aquaria. INTERNATIONAL POLAROID CORPORATION. Aug. 14, 1939, No. 23396. Convention date, Oct. 4, 1938. [Class 48] [Also in Groups XX and XI] A light polarizing member comprises a translucent or transparent support having curvature about two perpendicular axes, and light polarizing material over the whole thereof ; the support may be a lamp envelope, fish bowl, etc. The Figure shows a lamp having a reflecting portion 20 and a translucent portion 22 provided with one smooth face and internal or external lenticulations 28. The polarizing material 30 is applied to the smooth face. The lamp envelope may be wholly spherical or may be cylindrical with a spherical end, the polarizing material being applied to the whole envelope. A fish bowl may have half its surface covered with material polarizing in one plane, and the other half with material polarizing in a perpendicular plane ; if a solution of a birefringent material such as tobacco mosaic virus is used in the bowl, the agitation caused by movement of the fish produces colour changes in the appearance of the solution. The polarizing material may comprise herapathite or similar crystals oriented in a thin film of cellulose acetate, polymerized vinyl compound, &c., and the film may have a thickness of .0004 inch or less. The film may be carried by a flexible rubber support from which it is transferred to the translucent surface, and the applied film may be coated with waterproofing compound such as a thermo-setting resin. The Specification, as open to inspection under Sect. 91, comprises also an aquarium having planar walls with polarizing material thereon, the planes of polarization of opposite walls being crossed, and the provision of doubly refractive elements between polarizing coatings. It also refers to the application of the polarizing layer to containers such as perfume bottles, toilet water bottles, &c., to the use of such containers in lieu of polariscopes for observation of a solution for photoelastic effects, and to the provision of a polarizing layer on the reflecting surface of the portion 20 of the lamp. This subject-matter does not appear in the Specification as accepted.
Patent GB-1353246-A (GB)
Title: Poromeric materials
IPC: C08J9/28
Filed: 1971-04-19
Abstract: 1353246 Laminates L G RAY JNR and E J JACOB 19 April 1971 [19 March 1970 23 July 1970] 23411/71 Heading B5N [Also in Division C3] Laminates comprise textile fabrics and microporous moisture vapour permeable sheets having micropores containing shrunken material which are prepared by forming a layer of a composition comprising a dispersion in a liquid medium of a reversibly swellable and deswellable material that is highly swollen to at least twice its dry size by having absorbed therein a swelling agent and deswellable to less than half its swollen size by removal of the swelling agent therefrom. The liquid medium is a liquid filmforming polymer, has dissolved therein a filmforming polymer or comprises a dispersion of a film-forming polymer in a plasticizer for the polymer. The layer is dried, cured if necessary and the swelling agent removed from the swellable material by heating and thereby deswelling the swollen material. The swellable material may be a cellulosic compound, a polyoxyethylene resin, a natural gum, sodium alginate, dextrin or corn starch in which cases the swelling agent is water. The swelling agent may be a synthetic elastomer, e.g. a butadiene/acrylonitrile copolymer, and the swelling agent non- aqueous, e.g. the same solvent as that used to dissolve the film forming polymer. Examples relate to polyvinyl chloride plastisols as the film former with aqueous swollen materials, e.g. carboxymethyl cellulose, guar gum, sodium alginate or a polyoxyethylene resin and a plastisol swollen acrylonitrile/butadiene copolymer. Other examples relate to polyurethane resins using similar swellable materials and swelling agents. The microporous sheets may be laminated to the textile backing using as adhesive, a material of the same composition as that used to form the microporous sheet.
Patent GB-834184-A (GB)
Title: Method of producing heat-sensitive recording papers
IPC: B41M5/36
Filed: 1958-07-22
Abstract: 834,184. Heat-sensitive recording paper. HELLIGE & CO. G.m.b.H., F. July 22, 1958 [Aug. 8, 1957; May 30, 1958], No. 23569/58. Classes 96 and 140. Heat-sensitive recording paper, on which diagrams and graphs can be recorded by a hot metal stylus or electric sparks, is produced by applying a white homogeneous coating consisting of cellulose acetabutyrates having melting points between 185‹ and 240‹ C. dissolved in a rapidly evaporating organic solvent or mixture of solvents and containing a plasticizer to a paper of a different colour, and evaporating the solvent by exposure to a current of air. The plasticizer may be a mixture of dicyclohexyl phthalate and triacetin. Solvents specified are acetone, methanol, methylene chloride, ethyl ether, methyl acetal, acetic acid, methyl acetate and mixtures thereof.
Patent GB-675873-A (GB)
Title: Improvements in or relating to dispaly arrangements
Inventor: DAVISON ALAN
IPC: G09G3/00
Filed: 1949-09-14
Abstract: 675,873. Electro selective signalling. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. Aug. 10, 1950. [Sept. 14, 1949] No. 23694/49. Class 40 (i). In an arrangement for displaying variable information, such as numbers in. a telephone system, on a cathode ray tube, e.g. as in Specification 624,089,. the varying voltages corresponding to the Cartesian-co-ordinates of the indicia are generated by means of thermionic tubes of the rotating beam type, each having load impedances associated with the similar individual electrodes such that the current flow in the impedances as they are rendered effective successively by the rotating beam produces the desired varying voltages across a common part of the load. As shown, the rotating beam tubes VIX, VIY, VOX, VOY, &c., have a single cathode 10 surrounded by a plurality of anodes Al, ... A20 the electron beam being rotated by an externally applied rotating magnetic field. Two rotating beam tubes VIX, VIY for example, are required for. each character to be displayed on the CRT tube, to produce the X, Y co-ordinate voltages respectively, as in Specification 624,089. To eliminate fly-back the CRT beam is deflected to trace the character and then to retrace it in the opposite direction, so that each rotating beam tube must have twice as many anodes as the number of elements into which each character is divided. The X, Y, co-ordinates of the centre points of successive elements represent the potentials which must be successively applied to the CRT plates to trace out the character. The potentials are obtained from the cathode resistors RIX, RIY, ROX, ROY &c. the rotating beam tube anode resistors R1, R2, ... having appropriate values to produce the desired varying potential across RIX, RIY &c. as the electron beam rotates. A character is selected for display by a uni-selector FS which connects the varying X, Y potentials derived from the selected cathode resistors RIX, RIY &c. over a further uni-selector LC to the X, Y plates of the CRT. The uni-selector LC permits a plurality of characters to be displayed simultaneously, the bank LCX1 applying a voltage to produce successive X shifts of the CRT beam so that the selected characters corresponding to the successive positions of the bank wipers LCX2, LCY are displayed side by side, the banks LCX2, LCY being connected to other character selecting devices such as FS. If more than one line of characters is to be displayed the necessary Y shift voltage for the CRT beam is applied from a further bank of the switch LC. To reduce the number of rotating beam tubes they, may have a plurality of sets of anodes. Alternatively, these tubes may have a single anode and a plurality of cathodes. The uni-selectors may be replaced by relays.
Patent GB-631050-A (GB)
Title: Improvements in or relating to tractors and like agricultural vehicles
IPC: B60B35/10
Filed: 1947-08-27
Abstract: 631,050. Vehicle wheels. TRANSPLANTERS (ROBOT), Ltd., and BEVAN, A. P. Aug. 27, 1947, No. 23708. [Class 144 (i)] The driving-axle 1, Fig. 1, of a tractor &c. vehicle is provided with oppositely-threaded ends 6 to receive corresponding threaded ends 9, Fig. 3, of the hub 8 of a wheel, roller, or the like, which is formed with coned seatings 13, 14 to mate with corresponding seatings 4, 5 on the hollow axle. As shown, the wheel &c. hub 8 is formed with an extension 10 having an internal thread 15, of opposite hand to that 12 on the end 9, to receive a further wheel or the like.
Patent GB-879236-A (GB)
Title: Process for the preparation of 1-cyclohexyl-1-propanol carbamate
Inventor: SWIERKOT HENRI BLAISE
Filed: 1960-07-07
Abstract: The invention comprises 1-cyclohexyl-1-propanol carbamate and the preparation thereof by condensing 1-cyclohexyl-1-propanol with urea or a salt thereof, cyanic acid, carbamoyl chloride or a urethane or by condensing 1-cyclohexyl-1-propanol with phosgene or a chloroformic acid ester and condensing the product with ammonia. Examples are given.
Patent GB-636063-A (GB)
Title: Means for varying the cylinder compression-ratio of model compression-ignition engines
IPC: F02B75/02
Filed: 1947-08-28
Abstract: 636,063. Cylinders. RAWLINGS, G. W. Aug. 28, 1947, No. 23805. [Class 7 (ii)] In a miniature compression-ignition engine a contra piston for varying the cylinder compressionratio comprises two discs 21, 23 of metal, e.g. steel, enclosing malleable material 24, e.g. lead, or a soft aluminium alloy, which expands under cylinder pressure to make a tight joint. The compression ratio is adjusted by screwing the cylinder'head on the barrel. A stem 31 is preferably provided for machining the piston. The malleable material is bonded to the metal discs and the contacting surfaces may be frustoconical.
Patent GB-191425-A (GB)
Title: Improvements in or relating to friction brakes
IPC: F16D49/16
Filed: 1921-09-07
Abstract: 191,425. Bailey, R. W., Cushny, J., Miller, L., and Metropolitan-Vickers Electrical Co., Ltd. Sept. 7, 1921. Blocks and shoes; b l o c k s acting on drums.-To ensure a svmmetrical distribution of pressure over the friction face of a brake shoe, about the centre line of its arc of contact with the drum or wheel to which it is applied, the shoe is supported so that when in contact with the drum its actual or virtual pivotal axis passes through the " loading point " of the shoe. This point is defined as that of the intersection of the resultants of the radial and frictional forces exercisable thereon by the drum when the former of these forces are symmetrically distributed about the radial centre line. Further to ensure that the braking effect applied to the drum is independent of the direction of rotation of the drum and when two or more shoes are applied to the drum to ensure that there is no resultant force transverse to the axle or shaft of the drum each shoe is connected with a fixed part by a link or equivalent which has the line of its pivot points passing through the " loading point " and parallel with the chord of the arc of contact of the shoe. In Fig. 1, the axis of the pivots 22 of the shoe 14 actually passes through the " loading point " 20 of the shoe. The shoe has cheeks 21 embracing the drum and is disposed between a pair of levers 16, a pivot 22 extending from each cheek. Stops 23 limit the pivotal movement of the shoe. The frictional component of the reaction of the drum on the shoe thus passes through the pivots 20, 17 and does nct therefore affect the pressure applied to the shoe by the lever. In Fig. 3 the block has a pin 24 which works in a slot in the lever 16 and is connected by a link 26 to a fixed point 17, the line of the pivots 17, 27 of the link passing through the "loading point" 20. In Fig. 5, the shoe is connected to the lever 16 and to the fixed part 17 by links 28, 26, both of which are in line with the " loading point " 20. The pivot 30 may pass through an enlarged hole in the shoe 14 so as to limit the pivotal movement of the shoe. In another arrangement the link corresponding to the link 28 is a compression link and the lever 16 and link 26 are pivoted at different points. In Fig. 9, the shoe has pins 32 which pass freely through holes in the pair of levers 16 and has also projections 33 against which a surface 36 on each lever 16 bears in applying the shoe to the drum. The surface of the projections 33 mav be plain or. curved. The friction component of the reaction of the drum is in this case taken by one or other of the pins 32 according to the direction of rotation of the drum. Bearing plates 37 may be provided on the levers to take the reaction of the pins 32.
Patent GB-1436573-A (GB)
Title: Microorganisms
IPC: C12N1/20
Filed: 1973-05-18
Abstract: 1436573 Treating oil pollution GENERAL ELECTRIC CO 18 May 1973 [7 June 1972 (2)] 23876/73 Heading C1C [Also in Division C6] Superstrains of bacteria from the genus Pseudomonas are produced having an inbuilt propensity for assimilating broad classes of hydrocarbon and related compounds, which renders them especially useful in dealing with oil pollution. A culture of a superstrain in straw is placed upon the oil to be treated. When the cells are grown for their protein content, the intracellular hydrocarbon content of the cell mass can thus be fully consumed before harvesting.
Patent GB-1179239-A (GB)
Title: Warning Lamp Circuits for Use in Road Vehicles.
Inventor: WILLIAMS MALCOLM
IPC: B60Q11/00
Filed: 1966-05-27
Abstract: 1,179,239. Vehicle warning lamp circuits. JOSEPH LUCAS (INDUSTRIES) Ltd. 25 May, 1967 [27 May, 1966], No. 23921/66. Heading H2H. A warning lamp circuit used in a vehicle to check that the vehicle generator is producing an adequate output includes a field effect transistor 17 controlling the current flow through a warning lamp 18, which current is initiated when the engine ignition is switched on, the conduction of the transistor being controlled from a phase point output 13 of the vehicle generator. The diode and capacitor circuit 15, 16 operates so that negative-going parts of the generator cycles charge the capacitor 19, the potential of which should be sufficient to switch off the transistor and lamp. Other field effect transistor circuits may be used, one (Fig. 2, not shown) incorporating a P channel junction FET controlling an NPN transistor in whose collector circuit the warning lamp is situated, while another (Fig. 3, not shown) incorporates an insulated gate FET similarly controlling a further transistor.
Patent GB-337084-A (GB)
Title: Damping device for oscillographs, particularly for photographically recording sound
IPC: G11B7/135
Filed: 1929-08-03
Abstract: 337,084. Selenophon Licht-und Tonbilges. July 11, 1929, [Convention date]. Oscillographs particularly for photographically recording sound and wherein the conductor or string is vibrated in the magnetic field of the instrument by telephone currents, have their movement damped by coating the conductor with a light viscous material such as lacquer, glue, or gum arabic. The coating may be applied over the whole length of the conductor, or, as shown in Fig. 2, a part of the conductor 1 at which it is crossed by the beam of light may be left uncovered. The coating 3 is preferably broadened where the conductor is clamped in jaws 2
Patent GB-877706-A (GB)
Title: Steam generating plants
IPC: F22B35/10
Filed: 1960-07-08
Abstract: 877,706. Steam raising in boilers; superheaters. SULZER FRERES S. A. July 8, 1960 [July 23, 1959], No. 23995/60. Classes 123(2) and 123(3) The reheaters 26, 27 of a unit steam generating plant are cooled during starting-up, standby or shutting-down periods when the turbine is supplied with a small volume of steam by a flow of steam which is withdrawn through pipes 3, 6, 7, 8 from between the superheating sections 1, 2, 9 according to the local temperature in these sections. The flow through the pipe 3 branching from between sections 1 and 2 is controlled by a valve 13 which, during starting-up, is opened when the temperature at a pick-off 20 reaches a certain value. A steam-water mixture or steam flows through a pipe 5 into a separator 40 whence steam flows through a pipe 28 into the reheater 26. A separator by-pass 4 is provided so that wet steam can be admitted directly into the reheater. When the temperature increases further steam may flow in parallel through the reheaters, a pick off 21 responding to the temperature increase opening valves 10, 11 respectively disposed in pipes 6, 7 which branch off between the sections 2 and 9. The increased pressure in pipe 3 is detected by a pick-off 23 which closes the valve 13. A further increase in temperature causes the pick-off 21 to open a valve 12 in the pipe 8 which also branches off between the sections 2 and 9 and steam then flows through the water separator into the pipe 28 and thence in series through the reheaters and an interposed valve 30. The increased pressure in the pipe 28 causes a pick-off 22 to close the valves 10, 11. Water for additional cooling may be injected thrugh pipes 35, 51. The cooling of the reheaters during standby operation and during the shutting- down period is carried out in a similar manner.
Patent GB-984328-A (GB)
Title: Novel dialkylaminomethyl steroids
IPC: C07J41/00
Filed: 1963-06-17
Abstract: The invention comprises compounds of the general formula <FORM:0984328/C2/1> wherein X is a hydrogen atom or an alkyl radical containing less than seven carbon atoms, R is an alkyl radical containing less than seven carbon atoms, Y is a hydrogen atom or an alkanoyl radical containing less than seven carbon atoms, and Z is a hydroxymethylene radical or an alkanoyloxymethylene radical containing less than eight carbon atoms.  These compounds are obtained by reacting a compound of the formula <FORM:0984328/C2/2> with H.CHO and an aliphatic secondary amine to obtain a 2a -diethylaminomethyl-3-oxo compound, which is reduced to a 3,17-diol. This may be esterified to form the 3-monoester or 3,17 diester.