baber/WOPTO huggingface dataset:
Patent GB-1465008-A (GB)
Title: Mycophenolic acid deriv atives
IPC: C07H17/04
Filed: 1974-04-29
Abstract: 1465008 Mycophenolic acid derivatives ELI LILLY & CO 29 April 1974 [22 May 1973] 18583/74 Heading C2C Novel compounds I (in which R is OH, C 1-5  alkoxy or NH 2  and R<SP>1</SP> is # - D - glucopyranosyl, # - D - galactopyranosyl, # - D - allopyranosyl, # - D - gulopyranosyl, # - D - ribofuranosyl, # - D - ribopyranosyl or # - D - xylopyranosyl, or, when R is alkoxy, R<SP>1</SP> is one of said glycosyl radicals peracylated with C 2-4  alkanoyl or benzoyl) and pharmaceutically acceptable alkali-metal or alkaline-earthmetal salts thereof, are prepared by reacting an appropriate per-O-acylglycosyl halide with a C 1-5  alkyl mycophenolate, removing the acyl groups of the R<SP>1</SP> group in the resulting compound by treatment with a base and, if desired, hydrolysing, amidating or transesterifying the resulting compound I in which R is C 1-5  alkoxy. Salts are prepared from the free acids in known manner. Pharmaceutical compositions useful in the treatment of tumours, psoriasis and gout, for oral, parenteral or topical administration, comprise one of the above novel compounds or salts, provided that R<SP>1</SP> is not a peracylated radical, together with a pharmaceutical carrier.
Patent GB-455447-A (GB)
Title: Improvements in or relating to lamps
IPC: F21L14/02
Filed: 1935-06-28
Abstract: 455,447. Electric hand-lamps. KING, G. A., Long Range, Whimple, Devon. June 28, 1935, No. 18613. [Class 75 (iv)] In an electric hand-lamp in which the bulb a is mounted within a cylindrical opaque shield j having a longitudinal orifice k of about the same width and length as the bulb so that rays of light can pass out only in a predetermined lateral direction, the handle q is made tubular for the passage of the leads s, t, and the lamp holder c is secured in an annular socket d threaded at h, i for connecting to the handle and shield, the securing means including one or more rubber or like insulating washers f. The handle may be made of rigid nonconducting material such as wood. The Figure shows the parts of the lamp separated before assembly. In the form shown, the holder c is secured by nuts e to a socket d having a milled annulus g. The threaded portion i engages a cup-shaped sleeve p which is tightly fitted into a recess m the top of the handle q which is fitted with a rubber insulating tube v for the leads s, t. A loop u may carry a leather suspension strap. The cup-shaped sleeve may be replaced by a cylindrical sleeve screwed to an annular member which is secured to the handle by means of a threaded collar. The orifice k is fitted with a bar or wire k<1>, whilst the shield j also carries suspension means such as a hook o and a milled screw cap n. The inside of the shield may be painted or enamelled or it may have an asbestos or other suitable reflecting lining. Also an asbestos or like heatresisting cooling sleeve may surround the shield and be secured to it by small distance pieces at its top and bottom.
Patent GB-230710-A (GB)
Title: Improvements in or relating to machines for chopping or mincing meat or the like
IPC: B02C18/06
Filed: 1924-08-05
Abstract: 230,710. Wefing, O. Aug. 5, 1924. Mincing.-In a mincing-machine of the rotating bowl type, the bowl is driven by the engagement of one or more wedge discs 6 with a corresponding number of wedge grooves 7 in the periphery of the bowl 1. The distance between the shafts 5, 12 may be adjusted by an eccentric bush 8 or a similar bush 14, or both. The distance may also be varied by mounting the box 9, carrying the shaft 5 and the worm drive for the bowl, slidably on an arm 16, the box 9 being adjusted by an eccentric 17 on a shaft 18.
Patent GB-498390-A (GB)
Title: Improvements in or relating to methods of decorating or printing
IPC: B44C1/175
Filed: 1937-07-05
Abstract: 498,390. Coated fabrics ; compound sheet materials. SHELLMAR PRODUCTS CO. July 5, 1937, No. 18658. Convention date, Oct. 24, 1936. [Class 140] [Also in Group XVI] Decorated or printed material is produced by applying one or more colours or designs to non-fibrous lustrous cellulose sheeting, laminating the coloured or printed side to the material by means of a substance in an adhesive condition resulting from the presence of a solvent and removing the cellulose sheeting without removing the colour or design. Designs are printed on a web 11 of " Cellophane " (Registered Trade Mark) in a quick drying nitrocellulose ink by an intaglio cylinder 13, a second design or a coloured coating is applied by an intaglio cylinder 17, and the web is laminated while the colours are still wet with a paper &c. and web 22. The composite web is subsequently unwound in the same or a separate machine, the imprinted side of the web 11 being wetted by passing over rollers in baths of hot water, whereupon the webs are separated. Wetting is unnecessary if a cellulose acetate web is used in place of " Cellophane." The degree of tackiness of the colours may be regulated by air currents or heating-units. In place of applying colour, the last unit may apply an adhesive to form a good bond of the designs with the paper. Specification 482,436 is referred to.
Patent GB-1004606-A (GB)
Title: 3:3-dichloro-1:1:2improvements2-tetrafluoropropane
Inventor: DUTTON BRIAN GORDON
IPC: C07C17/10
Filed: 1962-05-15
Abstract: The invention comprises 3,3-dichloro-1,1: 2,2-tetrafluoropropan and its preparation by the chlorination of 3 - chloro - 1,1: 2,2 - tetrafluoropropane, for example in the presence of ultra-violet light either in the liquid phase at between 20 DEG  C. and 80 DEG  C. or in the vapour phase at between 54 DEG  C. and 250 DEG  C. or in the absence of ultra-violet light at between 250 DEG  C. and 600 DEG  C. In all methods an excess of the halohydrocarbon is preferred.  3 - Chloro - 1,1: 2,2 - tetrafluoropropane may be prepared from 2,2: 3,3-tetrafluoropropan-1-ol by warming with p-toluene sulphonyl chloride in aqueous sodium hydroxide and treating the resultant 2,2:3,3 - tetrafluoropropyl - p - toluene sulphonate - 1 with potassium chloride in the presence of ethylene glycol. Specification 907,439 is referred to.ALSO:The invention comprises inhalant anaesthetic compositions containing 3, 3-dichloro-1, 1 : 2, 2-tetrafluoroproxane in admixture with oxygen and optionally one or more known inhalant anaesthetics for example, nitrous oxide, ether, chloroform, cyclopropane or halothane.  The invention also includes a process for producing anaesthesia in animals (excluding man) using any of the above compositions.  Specification 907,439 is referred to.
Patent GB-595899-A (GB)
Title: Feeding device for molten glass
IPC: C03B7/08
Filed: 1945-07-21
Abstract: 595,899. Glass manufacture. JEROME ET BONNEFOY ET CIE. SOC. ANON. July 21, 1945, No. 18742. Convention date, Aug. 27, 1942. [Class 56] A continuous circulation to and from the furnace b is provided in the channel a, through the bottom of which charges of molten glass are forced by a feeding device e, f by making the channel communicate at each end with the furnace. A propelling device i may be provided in the channel, preferably between the feeding device and the exit from the channel to the furnace ; in the form shown, the propelling device comprises a hollow rotary member communicating at j with the glass and which during its rotation alternately subjects the inside of the rotary member to suction and to atmospheric pressure. In other forms, the propeller comprises single or multiple paddles. The feeding device comprises a piston e reciprocated vertically above the outlet f and preferably surrounded by a rotating sleeve g.
Patent GB-262018-A (GB)
Title: Improvements in and relating to oil cups
IPC: F16N21/06
Filed: 1926-07-27
Abstract: 262,018. Illig, H. July 27, 1926. Oil-hole closures. -The lid 2 of an oil cup 1 is pivoted on two pins 4 formed in the wall of the cup through the intermediary of a U-shaped spring 3 having eyes 5 engaging the pins 4. The spring 3 is received in a groove on the underside of the lid and is secured thereto at 6. The lid is maintained in either the open or closed position by the action of the spring.
Patent GB-293307-A (GB)
Title: Propellers with automatically variable pitch
IPC: B64C11/34
Filed: 1928-06-29
Abstract: 293,307. Gobereau, R. R., and Maujole, L. E. July 2, 1927, [Convention date]. Screw propellers. - In a variable pitch propeller, the angle of inclination of the blades is automatically adjusted through the action of centrifugal masses mounted on the supports of the blades. The blades 3, 3' are mounted to turn in a support 1 loosely mounted on the shaft'2 of the engine on which is keyed a carrier 4 which is connected by a pin and slot connection with masses 6, 6<1>, the axes of which turn on axes 7, 7' working in the support 1. The carrier 4 is also provided with arms 10' which engage with arms 11, 11', fixed to the axes of the blades 3, 3<1>. This arrangement ensures the alteration of the pitch of the blades in accordance with the movement of the masses 6, 6<1> under centrifugal forces. In the form shown in Fig. 3 the centrifugal masses 6 rotate about axes 7, whilst the carrier 16 is provided with arms 18, 18<1> which form bearings and support axes 19 on which pivot blocks 20 which slide in grooves 21 carried by arms 5, 5<1> pivoted on the axes 7. The centrifugal masses are also provided with dash-pots to damp the adjustments of the pitch comprising cylinders 23, 23<1> in which work coins 25 keyed on the axes 7. The cam carries helicoided steps 28<1> which, when the axis 7 rotate, screw themselves on the fixed steps 31, 32. The axis 7 is provided with channels 33, 34 which establish communication between the two faces of the cam and thus allows liquid to be forced from one side to the other when the movement of the cam takes place.
Patent GB-640144-A (GB)
Title: Improvements in current transformers
IPC: H01F27/42
Filed: 1946-06-25
Abstract: 640,144. Transformers. BRITISH THOMSON-HOUSTON CO., Ltd., and WELLINGS, J. G. June 25,1946, No. 18989. [Class 38 (ii)] A high ratio current transformer comprises two cores each with a primary and a secondary winding, but with turns ratios differing by the reciprocal of the final turns ratio required, the primary windings carrying the current to be measured, and the secondary windings being connected in closed series siding connection with the measuring or controlled circuit connected between the junction point of the secondaries, so that the current through this circuit is the difference between those in the secondaries. The number of turns on each transformer, and therefore the open-circuit voltages are thereby greatly reduced. Specification 259,198, [Class 38 (ii)], is referred to.
Patent GB-599858-A (GB)
Title: Under-pants or trunks for male wear
IPC: A41B9/02
Filed: 1945-07-25
Abstract: 599,858. Pants. WALLER, D. July 25, 1945, No. 18998. [Class 141] Men's underpants comprise a back portion and two front portions which overlap to provide an inclined fly opening 12, 13, the overlapping parts having fastening means 7. A twoply crotch insert is secured by a rear seam 13 and front seams 14 which converge to the point 8 where the fly opening starts. Reference has been directed by the Comptroller to Specifications 302,878, [Class 141], and 583,547.
Patent GB-774059-A (GB)
Title: Improvements in or relating to combined gas turbine plant and ram-jet units
Inventor: GARNIER MICHEL ROBERT
IPC: F02K7/16
Filed: 1955-07-01
Abstract: 774,059. Jet propulsion plant. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. July 1, 1955 [Aug. 3, 1954], No. 19129/55. Class 110 (3). [Also in Group XII] A composite gas turbine plant and ram jet unit has one or more auxiliary combustion chambers of relatively small volume arranged in the main combustion chamber of the ram-jet unit which communicate with the main chamber through orifices facing in a direction substantially inclined with respect to the flow through the ram jet, the auxiliary chamber or chambers being fed with fuel and with air tapped from the compressor of the gas turbine plant or other part thereof where the pressure is substantially greater than the ram jet combustion chamber pressure. The ram jet comprises an intake diffuser duct 1, a central part 3 wherein the air is heated by fuel injected through burners 4 and a propulsion nozzle 5. Auxiliary combustion chambers 6 having a small volume and a faired shape are located around the centre line of the combustion chamber 3. Each of these chambers has a burner 7 and receives combustion air from an air compressor 9 through a duct 8. The air compressor 9 forms part of a gas turbine jetpropulsion engine comprising also combustion chambers 10, a gas turbine 11 which drives the air compressor 9 and a propulsion nozzle 12. Reheat fuel may be burnt in the turbine exhaust chamber 13. The combustion gases from the combustion chambers 6 enter the chamber 3 through holes 15 facing in a direction substantially inclined with respect to the flow through the ram jet. The location of the combustion chambers 6 downstream of the burners 4 facilitates the ignition and burning of the fuel injected through these burners. The main flow of fuel to the ram jet may be through either of the sets of burners 4 or 7. For take-off or cruising the turbo-jet is used alone and the valves 8a are then closed. To increase the altitude at which the engine operates auxiliary chambers similar to the chambers 6 may be placed in the combustion chambers 10, and to supply these chambers and the chambers 6 with air from one or more additional compression stages supplied with air from the main compressor 9. The additional compression stages may be driven by the turbine 11 or by a small auxiliary gas turbine. In a modification, the gas turbine jet propulsion engine is placed outside of the ram jet and provided with a variable area jet-propulsion nozzle. The chambers 6 may be replaced by a single annular combustion chamber.
Patent GB-531484-A (GB)
Title: Improvements in apparatus for mixing edible materials
IPC: A23G3/02
Filed: 1939-07-03
Abstract: 531,484. Mixing edible materials; hoppers. THORNTON, A. A. (Creamery Package Mfg. Co.). July 3, 1939, No. 19358. [A Specification was laid open to inspection under Sect. 91 of the Acts, Jan. 29, 1940]. [Class 86] [Also in Group XXX] Apparatus for mixing edible materials such as ice cream and nuts comprises means for supplying regulated quantities of the nuts &c. to a moving stream of the plastic material and means for subsequently stirring the two together. The nuts &c. are supplied from hopper 3 furnished with a pocket wheel 1 which discharges them, together with a stream of ice cream, into a pocket wheel 4 from which the two fall into a chamber 25 fitted with a rotary mixing shaft 7. The mixed material is discharged at 26. The various members are driven from a motor 8 through a variable-speed belt gearing and the recesses in the pocket wheel 1 are emptied by a spring-influenced blade the throw of which can be varied ; the pockets in the wheel 4 are emptied by a blade 21.
Patent GB-704099-A (GB)
Title: Improvements in or relating to a gas turbine plant
IPC: F02C5/10
Filed: 1951-08-16
Abstract: 704,099. Gas turbine plant. MASCHINENFABRIK AUGSBURG-NURNBERG AKT.- GES. Aug. 16, 1951 [Aug. 23, 1950], No. 19392/51. Class 110 (3). [Also in Group XII] In a gas turbine plant of the kind described in Specification 701,175 the air supply to the turbine is led through a jacket surrounding the wall or walls of the combustion chamber, before passing into the turbine. A turbine 2 is actuated by the air drawn into the self igniting pulsating combustion chambers 1a, 16, 1c. Fuel is injected into the chambers by pipe 10a, 10b, 10c and ignited by an auxiliary ignition device. This causes positive pressure waves to advance down the chambers to the diffusers 3a, 3b, 3c, where the positive pressure wave is converted into a returning negative pressure wave which causes more air to be sucked into the combustion chambers through non-return valves 6a, 6b, 6c. These valves also prevent a flow in the upstream direction of the positive pressure wave. The air supply to the combustion chambers which is provided by the turbine driven compressor 11 flows through the jacket space 7 around the combustion chambers and is there heated. Fins may be provided on the combustion chamber walls to increase the rate of heat transfer. The combustion chambers may be operated in or out of phase. The length and cross section of the jacket 7 may be selected so that the air in it resonates in conformitv with the combustion chambers. This is stated to increase the heat transfer rate and to increase the pressure drop through the turbine. In a modification only a single combustion chamber is used. The compressor 11 may also be dispensed with. Specification 368,564, [Group XXXIII], also is referred to.
Patent GB-914267-A (GB)
Title: Improvements in or relating to polyphase semi-conductor rectifier arrangements
IPC: H02M7/19
Filed: 1960-06-01
Abstract: 914,267. Rectifying. SIEMENS-SCHUCKERTWERKE A.G. June 1, 1960 [June 4, 1959], No. 19426/60. Class 38 (2). A polyphase semi-conductor rectifier arrangement has several controlled rectifiers in series in each phase, a control electrode of one of the rectifiers in each phase being connected to a control voltage source and the remaining rectifiers in each phase being sequentially rendered conductive on conduction of the first rectifier in that phase. Each four-layer rectifier 14, 15, 16 has a voltage divider 34, 35, 36 comprising a condenser and/or a resistance connected across it. Connected in parallel with the main transformer secondary windings 10 are the primary windings 21 of auxiliary transformers whose secondary windings 22, 23 are connected between points of equal mean potential in different phases. The voltages U 21 : U 22 : U 23  are in the ratio <SP>3</SP>/ 3 : <SP>2</SP>/ 3 : <SP>1</SP>/ 3 . Connected in series with secondary windings 22, 23 are resistors 43, 44, and the control electrodes of rectifiers 15, 16 are connected to the junctions between windings 22, 23 and resistors 43, 44. Auxiliary rectifiers, Zener diodes or other voltage dependent resistors 63, 64 may be connected to the control electrodes to prevent triggering of the main rectifiers by transients in resistors 43, 44. When a control current is supplied to rectifiers 14 from a source at 52, it becomes conductive and the voltage U 23  of winding 23 causes current to flow through a circuit including rectifier 14, voltage divider 31 and resistor 43. The voltage drop across resistor 43 is sufficient to make rectifier 15 conductive and similarly rectifier 16 is then made conductive. Rectifiers in the other part (not shown) of the bridge circuit are similarly controlled. Switching transistors, having a thyratron-type characteristic may be used instead of four-layer elements.
Patent GB-850855-A (GB)
Title: Improvements in conveyors
IPC: B08B3/02
Filed: 1958-06-18
Abstract: 850,855. Endless conveyers. HORNE, R. F. (Ferro Corporation). June 18, 1958, No. 19481/58. Class 78 (1). An endless conveyer for conveying articles through corrosive liquids in a chamber 1 comprises two beams 10 disposed within the chamber and carrying bearing members 13, 6 for a series of rollers 9 and two series of tensioning pulleys 7, respectively, a pair of endless driving cables 3, 4 passed over the rollers 9, under the tensioning pulleys 7 and around a driving drum 12, and either an endless belt or, as shown, a number of endless cables 11, for conveying the articles, passing around the driving drum and engaging the rollers 9. Grooves are provided in the drum 12 and in rollers 9 for the conveying cables 11 and the driving cables 3, 4. Each tensioning pulley 7 is vertically adjustable on its bearing member 6. The driving cables 3, 4 may be replaced by toothed belts which may engage toothed portions of the rollers 9, pulleys 7 and drum 12.
Patent GB-573390-A (GB)
Title: Improvements in or relating to resilient suspension devices for vehicles
IPC: B60G11/18
Filed: 1943-11-22
Abstract: 573,390. Spring forks. BALLAMY, L. M., and SHEEPSHANKS, R. H. Nov. 22, 1943, No. 19523. [Class 136 (iii)] [Also in Group XXXII] In vehicle suspension devices of the kind comprising a plurality of torsion bars acting in parallel, at least one auxiliary torsion bar is stressed during assembly in opposition to the remaining main bar or bars so as to increase the loading of the main bar or bars. Fig. 3 shows the application to the front wheel mounting of a motor cycle in which the torsion rods are located within the fork blades 29, the wheel axle being carried by a lever 23 on a shaft 25 connected by bevel gears 36, 35 with the lower ends of the torsion rods 13a, 16a. At their upper ends the torsion rods are connected to a splined sleeve 40 serving as an anchorage, the inner bar 16a being twisted before assembly in opposition to the main tubular bar 13a. The inner bar is adapted to pass into the tube 13a and is splined at 47 to a collar 48 which is splined to the bevel gear 35. Specification 562,686 is referred to.
Patent GB-1516141-A (GB)
Title: Electric cooking plates
IPC: H01H37/48
Filed: 1975-05-09
Abstract: 1516141 Thermal switches K FISCHER 9 May 1975 [10 May 1974] 19545/75 Heading H1N [Also in Division H5] An electric cooking plate includes a thermal switch having a housing 22 disposed on the underside of an unheated central zone 19 of the plate and a switch actuator in the form of an expansion sleeve and rod 25 extending over the underside of the annular heating element region 13 of the plate. The rod within the expansion sleeve 25 acts directly on a snap spring (41) (Fig. 4, not shown) of the switch. The heating region 13 of the cooking plate may be covered by a metal sheet (34) (Fig. 3, not shown) and the expansion sleeve 25 enclosed by a metal cover (35). The thermal switch is connected in circuit with a bimetallic energy regulator (50) (Fig. 6, not shown), the former controlling the energy fed to the cooking plate above a certain temperature corresponding to its switching temperature and the latter controlling the energy fed below the certain temperature (Figs. 7 and 8, not shown).
Patent GB-140842-A (GB)
Title: Improvements in salvage
IPC: B63C7/22
Filed: 1918-11-27
Abstract: 140,842. Neale, J. Nov. 27, 1918. Sunken ships and objects, raising.-An appliance for salving sunken wrecks and other ferrous objects comprises a submersible buoyancy chamber equipped with one or more electro-magnets adapted, when energized, to attach themselves to the wreck &c., and, on the water being expelled from the buoyancy chamber, to take the weight and effect the raising of the wreck or other object. In one form, the buoyancy chamber has a series of fixed pulleys 3 over which passes a rope 5 connected to the chamber or its ends 7 and supporting running pulleys 4 from which are suspended the electro-magnets 6. A flexible hose 8 is connected by branches with the compartments of the buoyancy chamber, and electric conductors 9 lead from the surface to the electromagnets. In the arrangement shown in Fig. 2, five series of electro-magnets are employed.
Patent GB-1169598-A (GB)
Title: Improvements in or relating to Collection and Storage Containers for Liquid and Semi-Liquid Materials
IPC: B01F7/16
Filed: 1967-04-27
Abstract: 1,169,598. Agitating liquids. C. VAN DER LELY N.V. 27 April, 1967 [13 May, 1966], No. 19570/67. Heading B1C. The top 3 of a tank or pit 1 for liquids or semi-liquids (e.g. organic manure sludge) has a horizontal slot 4 along which the rotatable agitator shaft 12 can be displaced; the tank has semi-cylindrical ends (see Fig. 1, not shown) and the agitator can be clamped in any selected position (see Fig. 3 not shown). The agitator 15 is pivoted at 14 about a horizontal axis and has cruciform arms 15A carrying chains 16 with terminal claws or blades 17.