baber/WOPTO huggingface dataset:
Patent GB-651934-A (GB)
Title: Improvements in hinges
IPC: E05D7/00
Filed: 1948-08-31
Abstract: 651,934. Hinges. LEWDEN METAL PRODUCTS, Ltd., DENFIELD, S., and WALKER, P. L. Aug. 31, 1948, No. 22926. [Class 65 (ii) ] In a hinge wherein one element 11 has oppositely directed pins 12 engaging bores in lugs 1 on the other element 2 and wherein, to facilitate production by die-casting or by moulding in plastic or other substances, the bore.in each lug is formed by two radial U-section slots 3, 4, of which one extends to one side of the hinge axis from one end of the bore at least to its middle and the other extending to the other side of the axis from the other end of the bore at least to its middle, the material of each lug 1 to one side of one of the slots therein is chamfered or cut away at an angle, as at 9, and the other hinge element 11 is tapered adjacent the pins to permit insertion of the latter into the slots in a predetermined relative position of the elements, as indicated in the drawing, while retaining the elements together in any other relative position. The slots 3, 4 open into each other adjacent to the hinge axis, and the base of the U-section of each forms a semi-cylindrical bearing for the hinge pin, these two bearings being opposed and staggered.
Patent GB-255261-A (GB)
Title: Improvements relating to nozzles for the production of artificial filaments
IPC: D01D4/02
Filed: 1925-09-14
Abstract: 255,261. Levy, L. A. Sept. 14, 1925. Apparatus for making filaments.-When grinding the ends of the capillary tubes, particularly glass tubes, constituting nozzles for spinning artificial filaments, a liquid such as water or oil is forced through the capillary, and at intervals tha -quantity of liquid passing in a given time is measured until this quantity reaches a definite fixed value. The passage of the liquid also prevents choking of the nozzle during the grinding operation.
Patent GB-863313-A (GB)
Title: Improvements in or relating to steroids and the manufacture thereof
IPC: C07J75/00
Filed: 1957-07-19
Abstract: The invention comprises steroids of the formula:  <FORM:0863313/IV (b)/1> (wherein OR1 is a hydroxy or esterified or etherified hydroxy group and OR2 is a hydroxy or esterified hydroxy group) and the preparation thereof by pyrolyzing 11b :21-dihydroxy-1:4:17(20)-cis-pregnatrien-3-one to produce 19-nor-1:3:5(10):17(20)-pregnatetraen- 3:11b = 21-triol, protecting the 3- and 21-hydroxy groups (and, if desired, the 11-hydroxy group also) of this triol, oxidising the 17(20)-double bond in the protected compound with an osmium tetroxide oxidative hydroxylating agent to produce the corresponding 17a -hydroxy-20-keto compound, and, when required, cleaving the hydroxy-protecting groups in the oxidized compound to give 3:11b :17a :21-tetrahydroxy-19-nor-1:3:5(10)-pregnatrien-20-one, which may then be etherified or esterified as desired.  The pyrolysis is preferably effected at between about 300 DEG C. and 600 DEG C. 3- and 21-Ester groups may be removed by mild acid or alkaline hydrolysis and a 3-ether group by fusing with pyridine hydrochloride.  For hydrolysis of an 11b -acetoxy group, the 20-keto group of, for example, 3-methoxy-11b -acetoxy-17a :21-dihydroxy - 19-nor-1:3:5(10)-pregnatrien-20-one can be ketalized with ethylene glycol, the 11b -acetoxy group reduced to an 11b -hydroxy group with lithium aluminium hydride and the 20-ketal group hydrolysed, to produce 3-methoxy-11b :17a :21-trihydroxy-19-nor-1:3:5(10) -pregnatrien-20-one.  Examples are given and an extensive list of suitable esterifying and etherifying groups is provided. Specifications 771,344 and 771,515 are referred to.
Patent GB-1477338-A (GB)
Title: Process for the chemical transmission of signals
IPC: B01J19/00
Filed: 1974-05-23
Abstract: 1477338 Chemical signal transmission MAX-PLANCK-GES ZUR FORDERUNG DER WISSENSCHAFTEN EV 23 May 1974 [24 May 1973] 23059/74 Heading G1B In a process for chemical signal transmission via a reaction medium in which chemical reactions which proceed in unvarying sequence and with predetermined velocities form a cycle in which a chemical substance is produced and used up again, the concentration of the chemical substance influencing the reaction velocity of a specific chemical reaction of the cycle, at a transmission point for a signal to be transmitted the concentration of the chemical substance is altered producing a diffusion flow of the chemical substance, and at a reception point for the signal the appearance of a concentration change or a change brought about by the concentration change is detected. Signal transmission may be initiated at the transmission point by activation of a chemical reaction making available the chemical substance by means of light and/or pressure and/or temperature and/or by the application of electric or magnetic fields and/or by chemical reactions. At the signal reception point there may be detected the initiation of secondary chemical reactions not part of the reaction cycle but responsive to the changes produced by the alteration of the concentration of the chemical substance, or alternatively these changes may be detected by electrical monitoring of at least one of the reactions of the cycle. An Example relates to the catalytic oxidation of malonic acid by bromate in a reaction medium containing ceric sulphate and ferroin in 3N sulphuric acid, irradiation with ultraviolet light at a signal transmission point in a thin layer of the reaction medium producing a blue coloration which propagates in concentric circles from the transmission point. There is reference also to oxidation of citric acid in a similar system, the autocatalytic reaction of hydrogen peroxide and iodate in dilute sulphuric acid, the oxidation of iodine with hydrogen peroxide, the reaction of horse radish peroxidase and lactoperoxidase in the presence of oxygen and pyridine nucleotide, indole acetate of dihydroxy fumanate, or the reaction of glycose with maltose, trehalose or hexose-6-phosphate.
Patent GB-303773-A (GB)
Title: Improvements relating to internal combustion engines actuated by powdered fuel, by liquid fuel, or by both fuels
IPC: F02B45/10
Filed: 1927-09-02
Abstract: 303,773. Pawlikowsky, R. Sept. 2, 1927. Cylinders receiving liquid fuel.-In an engine, normally actuated by pulverized fuel, but which can be worked by liquid fuel or by both fuels, the charge is admitted to an undivided pre-combustion chamber having throttling means which prevent the charge entering the main cylinder prematurely. The combustion air is drawn into the main cylinder and compressed by the piston so that the fuel is ignited by hot air forced into the preliminary combustion chamber. Fig. 1 shows the application to a four-stroke cycle engine. The pre-combustion chamber 3 is separated bv an orifice 17 from the main combustion chamber, which has a combustion-air inlet valve 4 and an exhaust valve 5, and the powdered fuel is deposited in a chamber 7 from a current of air entering at 8. Valves 10, 11 operated from the engine by a lever 18, are arranged, as described in Specification 236,756, so that the chamber 3 is filled with a mixture of powdered fuel and air by the suction produced by the piston, but so that none of the mixture flows into the combustion chamber, the valve 4 being opened simultaneously. To retard the flow of mixture, steps 16<1>, 16<11>, 16<111> are formed on a plug 16 containing the orifice 17 which may, for the same reason, be surrounded by an annular groove. The plug is interchangeable with others having different-sized orifices; alternatively, a valve 31, Fig. 9, is operable by hand or the engine to throttle the passage 17, the engine closing the valve 31 during the latter part of the suction stroke but opening it again for the compression stroke. An adjustable plunger may be provided for varying the volume of the chamber 3, the ratio of which volume to that of the air drawn into the cylinder by the piston should be between 0.004 to 0.015. Liquid fuel is admitted through a passage 12 the end of which is closed by a resilient annular member 15 and opened by the fluid-pressure of the fuel pump, the member 15 spreading the fuel and deflecting it subsequently axially in the chamber 3; alternatively, a fuel nozzle may be inserted having an orifice which directs the fuel axially, either up or down the chamber, or the valve 10 may have a passage 36 for the fuel, as shown in Fig. 9, and be provided with a spring-pressed valve 37 and atomizing passages 38. Compressed air or a mixture of air and liquid fuel are admitted by a passage 14, Fig. 1, regulated by a valve 13 which is opened during the compression stroke to fire the mixture and expel it from the chamber 3.
Patent GB-168510-A (GB)
Title: Improvements in or relating to thrust bearings
IPC: F16C17/06
Filed: 1920-08-06
Abstract: 168,510. Vickers, Ltd., McKechnie, Sir J., and Johnson, G. W. Aug. 6, 1920. Yielding supports.-In a thrust bearing having a dash-pot device for absorbing axial vibrations, pressure fluid is alternately drawn into the cylinder through a non-return valve and expelled through a choking- aperture by the reciprocating movement of the piston. As applied to a turbine drive in which a shaft d is driven from a shaft A through double-reduction helical gear, the shaft C of the intermediate pinions c is fitted with a dash-pot at each end, constituted by cylinders E secured to the bearing casings F and non-rotatable pistons G formed with spherical seatings g for a non-rotating ring H supporting bearing-pads J. Pressure oil is led to the pressure space e' through a pipe fitted with a non-return valve (not shown) and escapes through a pipe L fitted with a needle-valve l.
Patent GB-233773-A (GB)
Abstract: 233,773. Furber, E. L. Feb. 14, 1924. Drying-agents, specially designed for; fittings, external.-A moisture-absorbing device for use in shop windows &c. comprises a cylindrical or like container perforated all round and containing a hygroscopic substance enveloped by a porous fabric bag or covered by a porous fabric so arranged that porous fabric forms a septum between the substance and the interior surface of the perforated container. As shown, the hygroscopic substance is contained in a porous fabric bag B inserted in the perforated casing A which has end caps a<2> preferably perforated. Clips a' or slotted brackets a may be provided for suspending the container. In a modification the bag is of annular form dished between the container and an inner perforated sleeve which is positioned by flanges on the end caps; or a number of bags may be disposed between the container and sleeve. In a further form the bag is replaced by a series of boxes of rectangular or sector-shaped cross-section extending the length of the box container, the boxes being self-supporting to provide a clear space along the centre of the container and having the porous fabric by which they are covered, disposed adjacent the inner surface of the container; the boxes may be supported by brackets in the container or on the end caps thereof; the porous fabric cover is held to the edges of each box by a lid having an open or perforated centre. A suitable hygroscopic powder for filling the bags or boxes is composed of 5 per cent wood charcoal, 31 per cent powdered calcium chloride, and 64 per cent powdered kieselguhr. Specification 217,968 is referred to.
Patent GB-930605-A (GB)
Title: Preparation of refractory products by arc melting
Inventor: THERESE GROLLIER-BARON
IPC: C04B33/32
Filed: 1959-07-07
Abstract: In a process of preparing a compact cast refractory product a charge containing at least one refractory mineral oxide is fused in an electric arc furnace by means of an arc striking between the charge and at least one carbon electrode positioned above the charge, and the molten charge is subjected to agitation while maintaining an oxidising atmosphere in contact therewith, the distance of the or each said electrode above the surface of the molten charge being sufficient to ensure that carbon given off by a said electrode along the path of the arc will be oxidised before reaching the charge.  The reduction of any constituent of the charge by carbon from the electrode is thus avoided.  The agitation may be produced by bubbling an oxidizing gas through the bath, by adding sodium peroxide or other oxygen liberating bodies to the bath, by electro-magnetic means, or by the arc itself, provided suitable conditions of arc length and current are maintained.  The furnace atmosphere is preferably constantly renewed to remove carbon monoxide, and may be ionized by adding carbonate of soda to the charge.  Refractory products obtained by the process are characterised by freedom from detectable elemental carbon and metallic iron and are particularly suitable for use in glass furnaces where they do not give rise to bubbles in the molten glass.  Particular mineral oxides mentioned are alumina, zirconia, magnesia and chrome oxide.  The products may contain alumina or alumina and zirconia in a total proportion exceeding 63%, zirconia from 0 to 90%, and silica in a proportion lower than 30%.  An example specifies .ZrO2.33 to 54% .SiO2.13 to 2% .Na2O.1,5 to 0,28% .Al2O3.50 to 36% .Fe2O3 \sB TiO2.<1,5%
Patent GB-981517-A (GB)
Title: An improved balanced phase shift transformer
IPC: H03D3/10
Filed: 1963-06-12
Abstract: 981,517. Transformers. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. June 12, 1963 [June 13, 1962], No. 23410/63. Heading H1T. A balanced phase-shift transformer has a primary winding 4 on a first former 1 and a centretapped secondary 7 on a second former 2, the centre tapping point being connected, preferably through a resistance, to a tertiary winding (having leads 11) on former 2 and the primary being connected in series with a further (coupling) winding via conductor 12, the further winding and the tertiary winding being wound together bifilarly to form the coil at 8. The secondary 7 may consist of two conductors wound bifilarly and connected in series. Movable cores 13 and 14 may be provided for varying the inductances of the primary and secondary windings respectively, while the coupling between the coupling winding and the secondary winding may be varied, without substantially affecting the inductance of the coupling winding, by a movable core 14. The transformer and the associated circuit illustrated may be enclosed in a metal screening container having a partition screening off winding 4 and holes giving access to the adjustable cores.
Patent GB-681053-A (GB)
Title: Improvements relating to motor vehicles
IPC: B62D31/00
Filed: 1950-09-25
Abstract: 681,053. Vehicle bodies; motor-vehicle collision guards. BARENYI, B. Sept. 25, 1950 [Sept. 23, 1949], No. 23492/50. Classes 103 (ii) and 108 (i). A doorless motor vehicle which may have a combined body and frame is provided with a hood consisting of a cover e, side walls d, and a top f of transparent material, pivoted forwardly or rear. wardly. The hood may be counterbalanced by spring or lazy-tong mechanism. The chassis A which may be of unit or cellular construction, has its middle part c formed by a stiffened floor and deep webbed longitudinals. In Fig. 8 the hood is pivoted rearwardly on the body by means of bars h which may also serve as fenders or which may remain on the vehicle when the hood is removed.
Patent GB-806325-A (GB)
Title: Improvements in or relating to pumps and motors of the swashplate type
Inventor: CAMERON-JOHNSON ALAN
IPC: B24B11/00
Filed: 1956-07-31
Abstract: 806,325. Reciprocating pumps; compressors. BRITISH MESSIER Ltd. July 18, 1957 [July 31, 1956], No. 23628/56. Drawings to Specification. Classes 8(1) and 102(1). [Also in Groups XXIII and XXVI]. In a swash plate pump the plunger head which engages the swash plate has a contact surface generating with a constant radius of curvature but has a moving centre of curvature which travels in a circle around and centred on the longitudinal axis of the piston in a plane normal to the longitudinal axis. The resulting cross-section resembles a " Gothic Arch ".
Patent GB-1458418-A (GB)
Title: Process for the production of binder-containing pigment prepa rations in flake or powder form
IPC: C09C3/00
Filed: 1974-05-29
Abstract: 1458418 Colouring with concentrates DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT 29 May 1974 [3 Dec 1973] 23719/74 Addition to 1323086 Heading C3P [Also in Division C4] A binder-containing pigment preparation in flake or powder form with complete pigment dispersion is produced by preparing a pigment concentrate comprising a pigment completely dispersed in at least one binder, which is solid and non-plastic at room temperature, together with a solvent by subjecting an aqueous pigment mass to phase reversal by addition of the binder, the solvent and optionally a flushing acid, the relative proportions of pigment, binder and solvent being such that the minimum amount of binder and solvent is used which will allow flushing to take place so that, on completion of phase reversal, a pigment concentrate is obtained which, at room temperature, has a high intrinsic viscosity but is still plastic with cohesive forces outweighing adhesion forces, and which has a residual water content of from 0À8 to 7À2% by weight, based on the total weight of the pigment concentrate, and which pigment concentrate contains from 30 to 80% by weight, based on the total weight of the pigment concentrate, of the binder; drying the pigment concentrate to remove water and solvent substantially completely; and optionally pulverizing the dried pigment concentrate. In the examples pigment preparations comprising (1) ferrocyanide blue, oxyethylated tallow amine and maleate resin (2) postoxidized carbon black and a polyolefin and (3) ferrocyanide blue, benzylamine and natural asphalt are prepared using xylene and toluene as solvents. The preparations are incorporated into intaglio printing ink varnish in toluene and into molten polyolefin from which a film is produced.
Patent GB-715700-A (GB)
Title: Improvements relating to control apparatus for electric motors
Inventor: DOLAN HARRY
IPC: B66B1/12
Filed: 1951-10-12
Abstract: 715,700. Control of motors. ENGLISH ELECTRIC CO., Ltd. Oct. 10, 1952 [Oct. 12 1951], No 23809/51. Class 38(3) Control apparatus for an electric motor comprises a plurality of switch means associated with the sections of a speed controlling resistor for the motor, some at least of the switch means being operated according to a predetermined time sequence, wherein selector means are provided for selecting the particular switch means at which the time sequence starts without altering the time sequence itself. If the time sequence is required to commence at contactor RC4, the selector means -a switch 15-is set at position 4. Movement of a manually operated speed controller closes contacts MC1 ... MC8, eight contacts only being shown in figure 1, and starts up a motor driven timing device 12 which is effective to momentarily connect the positive bus-bar 10 alternatively to timing bus-bars 13, 14. With contacts MC1 ... MC8 closed contactors RC1 ... RC3 operate in quick succession to cut out portions of the speed controlling resistor, the latter contactor, RC3 being energized over contact b of the selector switch 15. Operation of contactor RC3 closes self-maintaining contacts RC3b and also contacts RC3c which prepare contactor RC4 for operation. When now the timing device 12 operates to energize timing busbar 14 contactor RC4 is energized closing selfmaintaining contacts RC4b and contacts RC4c to prepare contactor RC5 for operation. When timing bus-bar 13 becomes energized contactor RC5 operates and the operation continues until all the contactors are closed when the timing means 12 will be de-energized. The time intervals between the closing of the contactors is governed by the speed of the motor driving the timing device 12 which is in turn governed by the rheostats r1 ... r6 (see Fig. 2). During the closure of contactors RC1 ... RC4 the motor driven timing device runs at full speed, no pre-determined time occurring. When contactor RC4 operates, contacts RC4e close and contacts RC4d open (see Fig. 2). With the selector switch 15a in position 4, as is the switch 15. an eddy current braking coil 16, associated with a disc driven by the motor of the timing device, is energized. over a rheostat 41. the speed of the timing device being thereby controlled. When contactor RC5 operates contacts RC5e close and contacts RC5d open thus the brake coil is now associated with rheostat r2 and so on. Movement of the selector switch permits either of contactors RC3 ... RC6 to be associated with rheostat r1 Thus the acceleration of the main motor may be selected by simply moving the switch 15 to the desired position. In a further embodiment the contactors RC1 &c. may be mechanically operated by a cam system. The invention may be applied to both A.C. and D.C. motors and the speed controlling resistor may be used for dynamic braking. Specification 715,701 is referred to.
Patent GB-233595-A (GB)
Title: Improvements in or relating to funnels for liquids
IPC: B67C11/02
Filed: 1924-11-26
Abstract: 233,595. Roper, B. H. Nov. 26, 1924. Funnels.-In a funnel having a float at the lower end of a central indicating-rod movable in a central tube, the upper end of the tube B is supported by a transverse vertical plate E having an upper part H for registering the rising of the indicating-rod A. A gauge G prevents the funnel from being inserted too deeply into the container to be filled. The tube B is attached at its lower end to the inside of the funnel, below the discharge hole D, and a strainer F is provided. The float C may be cylindrical and be fitted with rollers J to engage against the interior of the tube B.
Patent GB-1260156-A (GB)
Title: Improvements in apparatus for storing articles of manufacture, materials and other substances
Inventor: HILLS EDWIN RONALD
IPC: B65G1/04
Filed: 1969-05-10
Abstract: 1,260,156. Dispensing articles. E. R. HILLS. June 4, 1970 [May 10, 1969], No.23912/69. Heading A4T. A warehouse storage and article selection device comprises a first set of inclined roller conveyers 1 along which articles 2 pass by gravity, a second similar set of conveyers 3 inclined in the opposite direction, two sets of lifts 9, each set being arranged to receive an article from a higher conveyer and deposit it on to a lower conveyer and an elevator 6 which is arranged to receive an article from the lowermost conveyer 3 and deposit it either at a hatch 10 for delivery, if it is the preselected article, or to deliver it to the top conveyer 1 for recycling until the selected article arrives at the delivery of the lowermost conveyer. The selection may be visual or by photo-electric devices which act upon reflective surfaces on the articles and stop the elevator at the hatch 10 when the preselection agrees with the reflection. The lifts 9 are hydraulically operated and the elevator 6 is a pair of motor driven chains with hooks 5 that attach themselves to lugs on the articles and electrical switchgear and circuitry is provided which ensures that no conveyer is overloaded and that no article is deposited on to an article on a lift at a lower level. A number of such devices may be arranged in a warehouse and they may be controlled by a computer which sets in motion the correct device and stops the device when the selected item is at a delivery hatch.