baber/WOPTO huggingface dataset:
Patent GB-865738-A (GB)
Title: Isomerization of internal olefins
IPC: C07C1/32
Filed: 1959-03-16
Abstract: 1-Olefines are formed from internal olefines by isomerisation in the presence of an organoboron compound.  Suitable conditions are 0-250 DEG C. and up to 150 atmospheres using 0,5-40 mole% of organo-boron compound and a diluent which may be a hydrocarbon, ether, halogen aromatic compound or tertiary amine, many being specified.  Specified internal olefines are 2-pentene, 2-butene, 2-hexene, 2-methyl-3-heptene, 3-hexene, 2-octene, 3-octene, 4-decene, 4-octadecene, 2-methylamyl-3-hexene and b -methyl-b -ethyl- or b -isopropylstyrene.  The catalyst preferably contains the same number of carbon atoms in the organic radicals present as the olefine to be isomerised and may be formed in situ from diborane and the olefine. Specified catalysts are trimethyl-, thiethyl-, trientyl-, trihexyl-, trioctyl-, tridecyl-, tricyclopentyl-, tricyclohexyl-, and trimethylcyclohexyl-boron, amyl boric acid, diethyl boron bromide, dimethyl diborane, triethylboron-trimethylamine and trioctylboron-triethylamine. Preferably the 1-olefine is distilled off as formed; continuous processes are also possible.
Patent GB-660305-A (GB)
Title: Pesticidal compositions
IPC: A01N57/16
Filed: 1949-04-01
Abstract: Dialkoxy thiophosphoric esters of hydroxycoumarins are prepared by reacting a dialkyloxy thiophosphonyl chloride with a hydroxycoumarin in the presence of an acid-binding agent such as soda ash, calcium carbonate, sodium cyanide or pyridine, the reaction preferably being carried out in an indifferent solvent such as benzene or chlorobenzene.
Patent GB-650812-A (GB)
Title: Improvements in or relating to vehicle direction indicators
IPC: B60Q1/34
Filed: 1947-04-02
Abstract: 650,812. Road traffic signals on vehicles. O'SHEI, W. E. April 2, 1947, No. 9042. [Class 118 (ii)] A vehicle direction indicator arm is moulded of a flexible plastic material and the opposite outer surfaces of the moulding are each provided with one or more ribs or grooves extending in a direction substantially parallel to one of the longitudinal edges of the arm and with a substantially rigid reinforcing member engaging in the grooves or with the opposing surfaces of each of the ribs. In the construction shown, a hollow arm 1, moulded preferably of polythene or of the material known under the Registered Trade Mark " Tenite," has one end fitted into metal socket 2 in a bearing-plate 3 pivoted to the framework 5. The arm 1 has longitudinal ribs 6 having their outer surfaces engaged by the flanges 8 of a metal trimmer plate 7 and their lower surfaces engaged by the inwardly-turned ends 9 of flanged portions 8. The trimmerplate is positioned relatively to the rim 1 by a downwardly-extending portion 11, and is secured by screws 10 passing into the socket 2. A further reinforcing member 12 is supported by the open edges of the arm 1 and may support one or more lamps 13 for illuminating the arm.
Patent GB-889980-A (GB)
Title: One-way engaging device or clutch
Inventor: FULTON BERTRAM A
IPC: F16D41/07
Filed: 1959-03-16
Abstract: 889,980. Ratchet clutches. BORG-WARNER CORPORATION. March 16, 1959, No. 9095/59. Class 80 (2). In a sprag clutch phasing of the tilting elements is ensured by individual segments located between and bearing against adjacent elements. As shown in Fig. 2, the sprags 5 are engaged by inner segments 23 carried on a rigid ring 22 and outer segments 21 on the normal operating spring 19. In a modification, Fig. 7 (not shown), outer segments are carried by the operating spring, but the inner ends of the sprags engage recesses in a rigid ring. According to the further embodiment shown in Fig. 9, the inner segments 55 are carried by the rigid ring 22 and the outer segments 61 are attached to their associated inner segments by radial leaf-springs 58. Specification 763,353 is referred to.
Patent GB-578404-A (GB)
Title: Improvements relating to the preparation of low density materials from viscose sponge
IPC: C08J9/00
Filed: 1942-07-02
Abstract: A low density material suitable for floats, heat insulation, or constructional purposes is made from viscose sponge by soaking it in a solution of resin or resin-forming material, removing the surplus, and then hardening the resin.  The surface may be reinforced by metal foil, wood veneer, or laminated paper board, which may be glued on, and may be coated with impermeable lacquer varnish.  An artificial resin of the thermoplastic, thermosetting, or cold setting type is preferred.  In an example, a sheet 1 1/2 inches thick of small pore viscose sponge of 0.064 grams per cc. density is impregnated with aqueous phenol-formaldehyde resin solution (50 per cent), the excess removed by pressing between rollers, and the sponge dried and cured at 145 DEG  C.  The resin content of the product was 67 per cent and its density 0.118.  It can be machined without difficulty.
Patent GB-286109-A (GB)
Title: Improvements in foundry moulding apparatus
IPC: B22C15/20
Filed: 1927-04-04
Abstract: 286,109. Vidal, A. E., (Littell, N.). April 4, 1927. Moulding - machines. - A stationary machine for filling moulds has a projector 5 movable in a horizontal plane over the moulds. A support 1 carries a guideway 3 on a footstep bearing 2. Movable axially within the guideway 3 are slide-bars 4 carrying a projector 5 rotated from an electromotor 13 and a conveyer 9 taking sand from a bin 10 to the projector. The conveyer 9 is driven by gearing from the motor. The bearing 2 comprises inclined rollers 19 and a ball bearing 20, Fig. 2. In a modification the conveyer is driven at high speed and carries buckets to deliver sand to a deflector. Specification 155,797 is referred to.
Patent GB-840584-A (GB)
Title: Method of making longitudinally perforated metal plates
Inventor: BAUER HEINRICH
IPC: B21D53/02
Filed: 1958-03-21
Abstract: 840,584. Making longitudinally perforated plates; casting. VEREINIGTE LEICHTMETALL-WERKE G.m.b.H. March 21, 1958, No. 9196/58. Classes 83 (1) and 83 (2). In a method of making metal articles, e.g. heat-exchanger or refrigeration elements or heat-transfer plates for moulding plastics having a thickness above 2 mm. and having passageways extending in the plane of the article, the body is cast about at least one core of material of lesser resistance than that of the metal of the article, and passageways are drilled through the body along the cores, thereby simultaneously removing the material of the cores. An ingot of metal is continuously or otherwise cast around cores having rectangular, circular or elliptical cross-section, and, after milling the main surfaces plane, may be rolled to reduce the thickness, e.g. to 20 mm., Fig. 2a. The edges of the sheet are then trimmed, and passageways, e.g. 10 mm. diameter formed by drilling out the cores, the drilled holes being slightly larger than the dimensions of the core. It is stated that by this method the diameter of the passageway may be reduced relative to its length, as compared with conventional drilling from the D solid, e.g. - ratios of less than <SP>1</SP>/40 are obtain- L able. The article may also be produced by drilling directly from a body with inserts cast in, i.e. without reduction by rolling. The surface of a mould plate may be provided with longitudinal and transverse ribs and grooves by milling after rolling to thickness. The article may be made from copper, beryllium, magnesium, zinc, aluminium, scandium or titanium or alloys of those metals such as AlMg, Si and the core material may be moulding-sand, graphite, glass fibre, asbestos or slag wool, or an inert metal or alloy. The article may be annealed, quenched, or aged before or after drilling, e.g. aluminium may be annealed at 500‹ C. after drilling. Long bars or rods having passageways therethrough may also be made.
Patent GB-894583-A (GB)
Title: Improvements in and relating to electric motor equipments
Inventor: BECK ALAN
IPC: B66B1/30
Filed: 1958-03-21
Abstract: 894,583. Control of motors. ENGLISH ELECTRIC CO. Ltd. March 23, 1959 [March 21, 1958], No. 9203/58. Class 38 (3). [Also in Group XXXV] In a motor control system a bi-stable amplifying device responsive to a control signal, dependent on a deviation of the motor speed from a reference value, energizes a change-over device in one sense so that the motor operates as a regenerative brake and in the other sense so that the motor drives a load. In an embodiment, Fig. 1, a control lever 18 positions a slider 17a of a speed reference potentiometer 17 and actuates change-over contacts 32, 33 to apply the correct polarity for the selected direction of rotation, to a control winding 16a of a bi-stable amplifying device 16. The voltage at the slider 17a is compared with the voltage of a tacho-generator 19, driven by an armature 10a of a direct-current winding motor 10, and the resultant voltage is fed to contacts 20a, 20b and to an error sensing device 28 which saturates at a predetermined resultant voltage. The amplitude-limited error signal is fed to a second control winding 16b and at a predetermined amplitude triggers the bi-stable amplifying device 16 to determine the energization of a field winding 14a of an exciter 14 through a magnetic amplifier 15. The exciter 14 supplies a field winding 10b of the motor 10. Polarized relays 29a, 29b are energized by the voltage drop across a resistor 30 in the supply to the field winding 10b and the appropriate relay closes changeover contacts 20a or 20b to apply the resultant voltage as an error signal to a negative error suppressing device 21 that passes positive amplitude error signals to an operating coil 22a of a grid control device 22 controlling a current converter 11. With increase in the positive error signal, the converter changes operation from an inverter, the motor then acting as a regenerative brake, to a rectifier, when the motor drives a load. In a modification, Fig. 2 (not shown), the magnetic amplifier 15 energizes polarized relays that reverse the connections to the armature 10a with respect to the current converter 11 and after a delay change-over contacts 20a, 20b. In another embodiment, Fig. 3, the error signal through the negative error suppressing device 21 operates an electrical transducer 108 to control the speed of a slip-ring induction motor 100 by varying the value of a resistor in the rotor circuit. At a predetermined amplitude and sense, the resultant voltage triggers the bi-stable device 16 and through the magnetic amplifier 15 operates a polarized relay 34 or 35. The polarized relay 34 closes a contactor 106 to apply a direct current or low-frequency alternating current to a stator of the motor 100 which then acts as a brake on the load. The polarized relay 35 closes a contactor 102 or a contactor 103, as selected by the control lever 18, to energize the stator of the motor 100 from a mains supply 104. Specification 892,231 is referred to.
Patent GB-1402965-A (GB)
Title: Machine for delivering and mixing at least two reaction components
IPC: B29C39/24
Filed: 1973-02-26
Abstract: 1402965 Delivering & Mixing apparatus BAYER AG 26 Feb 1973 [26 Feb 1972] 9293/73 Heading B1C A machine for delivering and mixing at least two reaction components, e.g. to form foamed plastics, comprises for each component a pump 5. a suction-side pipe system 4, a storage vessel 1 and a pressure-side pipe system 7, the system 4 connecting the vessel 1 to the pump 5 and the system 7 leading from pump 5 through a slide valve 10 to a respective shutoff valve 12 on a common mixing head 8 having outlet 17. The slides 21 of the valves 10 are mechanically coupled with one another e.g. by yoke 22 moved by piston and cylinder 39, 40, and the valves are capable of connecting the pumps with the mixing head in a "throughflow position" (not shown) where lines 9 are connected by passages 23, 25 and 24, or interrupting the system 7 in an "interruption position", as shown, the slide valves also in this position connecting the shut-off valves 12 with pressure relief systems 28-36. These systems may be in the form of a pipe 29 vented to atmosphere, a pipe 30 with a spring-loaded plunger 32, a pipe 34 connected to the suctionside pipe system, a pipe 35 connected to vessel 1 or a pipe 36 connected to a re-cycling return line 27 which recycles a component from pump 5 and valve 10 to vessel 1 when the valve is in the interrupted position shown. Pumps 5 may be continuously operated or the device 6 may be controlled, as is pump device 43 for the yoke operation, by means of a system of switches and time delay relays 46- 57 to provide a predetermined cycle of operations. Turntable 19 carries moulds 18, each mould being associated with a corresponding switch contact 60 on the turntable which completes circuit 61 to actuate starter button 46 to restart the cycle of operations.
Patent GB-753449-A (GB)
Title: Gyroscopic apparatus
Inventor: JAROSH JOHN JOSEPH
IPC: G01C19/38
Filed: 1952-04-15
Abstract: 753,449. Gyroscopic apparatus. MASSACHUSETTS INSTITUTE OF TECHNOLOGY. April 15, 1952, No. 9423/52. Class 97 (3). The gyro rotor 102 spins above axis S and is mounted in frame 106 on shaft 110 which is rotatable about axis O. The rotor assembly is enclosed in the case 108 which is mounted on shaft 110 so as to be rotatable with 110 and 102 inside the chamber 100 which is filled with a viscous damping fluid. Signal generator 134 and torque motor 144 are mounted on 110. Electric heating 146 maintains the damping fluid at a constant temperature.
Patent GB-1036058-A (GB)
Title: Apparatus for removing tars from tobacco smoke
IPC: A24F1/00
Filed: 1965-03-05
Abstract: 1,036,058. Tobacco pipes; cigarette holders; cigarettes and cigars. W. MISSLER. March 5, 1965, No. 9424/65. Headings A2C and A2M. A baffle device 10 for use in tobacco pipes, cigar or cigarette holders or for integral incorporation in the mouthpieces of cigars or cigarettes comprises a cylindrical plug end 14 having a peripheral channel 24 through which smoke is accelerated towards the wall of a channel 26 against which tars are precipitated, and a divergent channel 28. The smoke passes into a chamber defined by the end 14, an intermediate flange 16 and the inside wall of the tobacco pipe, cigarette holder, &c., through slots 20 in the flange 16 to a second chamber bounded by the flange 16 and a domed end 12, and finally through slots 18 in the domed end 12 to the smoker's mouth.
Patent GB-547377-A (GB)
Title: Improvements in and relating to electric circuit interrupting devices
IPC: H01H85/055
Filed: 1941-07-25
Abstract: 547,377. Fusible cut-outs ; binding-posts. BRITISH THOMSON-HOUSTON CO., Ltd. July 25, 1941, No. 9436. Convention date, July 25, 1940. [Class 38 (i)] A high-voltage fuse with a long fusible element embedded in arc-quenching material has the central portion of the element made of a metal having a higher resistance than the end portions so as to fuse first and thus limit the magnitude of the voltage surge caused by the sudden checking of the shortcircuit current. The end portions 30 of the element may be of silver and the central part 31 of a nickelchromium-iron alloy. This has a high temperaturecoefficient and limits the rise of current before fusion. The element is wound on a core 24 of cross-shaped section, the ends being secured to sheet metal terminals, Figs. 5 and 10, the tongue N being folded up at n and welded to the part M and to the wire 25 at W. The part M is then placed across the angle between two fins of the core and the part P is bent round the edge of one wing, the part S being then bent down over the end of the wing. The part T is welded or soldered to the cap 21 of the fuse. The central part of the element may have ceramic beads threaded on it to retain the heat at low overloads, and the two end portions may be of different gauge wire so that fusion takes place in three stages. Where an element of increased cross section is required several fine wires are used in parallel.
Patent GB-106178-A (GB)
Title: Improvements in and connected with Devices for Delivering Milk to Houses.
Inventor: CRITCHLEY JOSEPH GORDON
IPC: A47G29/20
Filed: 1916-07-05
Abstract: 106,178. Critchley, J. G. July 5, 1916. Drawings to Specification. Handles; markings, external.-A bottle or jar employed in apparatus for delivering milk to houses is engaged by two spring clips, to which a handle is attached. A slidable ring or band on the neck of the jar bears indications as to the amount of milk required.
Patent GB-910720-A (GB)
Title: Improvements in or relating to hydraulic lever type shock absorbers
Inventor: KETTLEWELL GEORGE
IPC: F16F9/28
Filed: 1960-03-17
Abstract: 910,720. Hydraulic shock absorbers. WOODHEAD-MONROE Ltd. March 9, 1961 [March 17, 1960], No. 9474/60. Class 108(3). An hydraulic lever type shock absorber of the kind incorporating two pistons 12, 13 slidable in two parallel cylinders 10, 11 which, in the normal operative position of the shock absorber, will be disposed with their longitudinal axes substantially vertical is characterised in that each piston is provided with a resistance valve assembly which allows a controlled passage of fluid therethrough on both compression and retractive strokes. The pistons 12, 13, coupled by rods 14, 15 to a common rocker plate assembly 16 splined to a shaft 17, each have a central bore 18 with a lower annular recess 19 within which is housed a retraction-relief disc valve 20 which is urged upon a seating 21 by a disc spring 23 held in position by a split ring. The outlet opening of a transverse bore 25, which joins a blind bore 25 in the stem 22 of the disc valve 20, is controlled by a compression-relief sleeve valve 26. A spring 27, constrained between an abutment 28 on the upper end of the stem 22 and the sleeve valve 26, urges the latter into its closed position in abutment with the disc valve 20.
Patent GB-435571-A (GB)
Title: Improvements relating to machines for cutting or shredding plant leaves, paper and the like
IPC: A24B7/06
Filed: 1934-03-27
Abstract: 435,571. Cutting tobacco &c. PODMORE, A., 58, Holborn Viaduct, London. March 27, 1934, No. 9603. [Class 5 (i)] [See also Group VIII] In a machine for cutting or shredding tobacco &c. comprising intermeshing rotary disc knives, cooling gas or liquid is circulated between the knives. The disc knives 18 separated by spacing washers 20 are keyed to a hollow perforated cylinder 15 mounted between flanges 13, 14 on shafts 11, 12 and are pressed together by a spring-urged disc 21. The shaft 12 is hollow to receive a fixed tube 19 by which gas or liquid may be forced into or withdrawn from the cylinder 15. A shield 24 carried by the tube 19 may be provided to prevent the projection of the gas or liquid on to the knives adjacent to the cutting zone and a hood may be provided to receive the used gas or liquid. If gas is drawn into the cylinder 15 through the perforations 25, a suction hood may be provided in the cylinder remote from the cutting zone. Overlapping arcuate slots 26, 27 may be formed in the washers 20 and the knives 18, and grooves 28 in the cylinder 15 adjacent the perforations 25 to facilitate circulation of the cooling medium.
Patent GB-1024284-A (GB)
Title: Process for the treatment of tobacco
IPC: A24B15/26
Filed: 1964-03-06
Abstract: 1,024,284. Treating tobacco. PHILIP MORRIS Inc. March 6, 1964 [March 7, 1963], No. 9677/64. Heading A2C. In continuous process for selective removal and recovery of alkaloid from tobacco which includes the steps of extraction of tobacco with organic solvent, contacting the resultant alkaloid-laden solvent extract with brine to remove alkaloid selectively from the extract, re-cycling the alkaloid-relieved solvent to tobacco, recovering alkaloid from the brine and re-cycling the alkaloid-relieved brine for contacting with further alkaloid-laden solvent, the alkaloidladen solvent is contacted with the brine at a temperature substantially below that at which alkaloid untimately is recovered from the brine and at a pH below about 6.5, the resultant alkaloid-enriched brine is then warmed to a temperature at which an alkaloid phase separates from the brine, and the alkaloid phase is thereafter physically removed from the brine. The solvent and brine are contacted at a temperature below 10C and at a pH below 4.0. The pH of the alkaloid-enriched brine is increased to between 5.5 and 8, prior to recovery of the alkaloid. The tobacco is treated with organic solvent at a pH between 5.5 and 8, the moisture content of the tobacco being between 10 and 25%.
Patent GB-398757-A (GB)
Title: Improvements in and relating to bearing brackets
IPC: H02K5/167
Filed: 1933-04-01
Abstract: 398,757. Bearings. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Wood, A. P. ; 1095, Parkwood Boulevard, Schenectady, New York, U.S.A.) April 1, 1933, No. 9865. Convention date, April 1, 1932. [Class 12 (i).] A bearing bracket for machines with vertical shafts comprises a plate 12 of U-section which forms a supporting beam and a second plate 13 also of U-section arranged within the plate 12 and secured at its ends thereto to form a housing 17 for the bearing. The plates 12, 13 are joined by welding. As applied to a dynamo electric machine, the plate 12 is bolted on top of the stationary member of the machine, and the vertical shaft carrying the rotor has a guide bearing below the stationary member and another guide bearing secured to the side walls of the bearing housing 17. The shaft passes through aligned holes 16 in the plates 12, 13, a flange on a collar attached to the shaft engaging an annular spring-supported thrust plate in the housing 17. The latter contains a lubricant-cooling device and is covered by an apertured plate which supports the brushes and a guard frame. The oil level in the housing 17 is maintained above the lower end of the upper guide bearing by a sleeve fixed in the apertures 16.