baber/WOPTO huggingface dataset:
Patent GB-1340947-A (GB)
Title: Electrophotographic process
IPC: G03G15/08
Filed: 1971-07-13
Abstract: 1340947 Electro-photography FUJI PHOTO FILM CO Ltd 13 July 1971 [13 July 1970] 32901/71 Heading G2H Before imagewise exposure of a charged photo-conductive plate and reversal development of the resulting charge image with wet or dry toner, locally discharged areas of the plate (due to imperfections) are subjected to reversal development with wet or dry pretoner which is colourless or of the same colour as the photoconductive plate or a receiver sheet. The pretoner is insulative or photo-conductive. Examples of photo-conductive plates, pretoners and toners are given. A multi-coloured image may be produced by superimposed development.
Patent GB-362114-A (GB)
Title: Improvements in the manufacture, production and treatment of artificial silk or like fibrous material and in apparatus for use therein
IPC: B65H75/10
Filed: 1930-11-01
Abstract: <PICT:0362114/IV/1> Coils or cakes of artificial silk or other similar fibres are provided with internal perforated resilient holders which are slightly concave so that the pressure against the upper and lower ends of the cake is greater than the pressure against the centre of the cake.  The holder affords protection to the threads during washing or drying.  As shown in the drawing, a holder A with perforations B is inserted in a cake of artificial silk C.  The holder is made of resilient material such as a hard aluminium alloy and it may be coated with lacquer or enamel.  It is made from a strip of curved cross section bent into circular form with its ends overlapping.  The metal of the holder may be covered with a sleeve of textile material.  Specification 226,808, [Class 2 (ii), Cellulose &c.], is referred to.
Patent GB-1440976-A (GB)
Title: Method for separating the phases of an oil-in-water emulsion
IPC: B01D17/04
Filed: 1973-07-11
Abstract: 1440976 Separating oil-in-water emulsions SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 11 July 1973 [13 July 1972] 33042/73 Heading C1C [Also in Divisions B1 and C4-C5] Oil is separated from an oil-in-water emulsion by contact with a substantially disperse phase saturated, disperse phase trapping (i.e. by a physical mechanism) fibrous solid suspended therein to effect a separation into continuous and disperse phases and separately withdrawing continuous phase and substantially fibrous solid-free disperse phase, the fibrous solid being one which is wetted by the continuous (H 2 O) phase. The preferred fibrous solid is shredded waste newspaper Thus, in the apparatus shown an aqueous suspension of shredded newspaper is stirred in vessel 10, oil-in water enters at 1 and during the initial working, no oil is separated while the fibrous solid is becoming saturated with the oil Thereafter an oil layer 21 separates and is drawn off at 11, water being drawn off at 12
Patent GB-472140-A (GB)
Title: Process for the production of compound glass or other laminated products
Filed: 1936-02-13
Abstract: Laminated products such as glass plates coated with polymerization products of organic compounds are made by extruding the latter under heat and pressure through a slot whose walls are heated and which is of sufficient depth to cause the extruded mass to assume a permanent shape before extrusion is complete.  The extruded foil is deposited on a glass plate which is moved at right-angles to the length of the slot and at a distance from the outlet equal to the breadth of the slot.  The glass plate may be previously heated and coated with an adhesive.  The process may be carried out in the apparatus described in Specification 472,114.
Patent GB-786501-A (GB)
Title: Improvements in or relating to deflection arrangements for cathode ray tubes
Inventor: ELBOURN ROLAND WILLIAM
IPC: H04N3/16
Filed: 1954-11-16
Abstract: 786,501. Cathode-ray tube circuits. CINEMA TELEVISION, Ltd. Nov. 16, 1955 [Nov. 16, 1954], No. 33156/54. Class 40 (7). In a cathode-ray oscilloscope in which x and y deflection signals are applied respectively to X and Y deflection members to produce deflections in orthogonal directions, any nonorthogonality of the deflection members is compensated by applying a proportion of the y signal to the X deflection member or vice versa. As shown, the X and Y deflection members each comprise a pair of coils 3, 31 and 4, 41, respectively, included in a deflection generator of the type disclosed in Specification 761,461. The x deflection signals are applied at terminals 7 and 8 through cathode-coupled amplifiers 9, 10, 11; 12, 13, 14 and pentode amplifiers 15, 16 to output pentodes 17 and 18 whose cathodes are interconnected by a resistor 27 and the y deflection signals are applied to a similar circuit 2 (not fully shown) comprising output pentodes 22, 23. According to the present invention the cathode of pentode 23 is connected to a tapping 28 on resistor 27 which is adjusted to give the required compensation.
Patent GB-889379-A (GB)
Title: Improvements in or relating to derivatives of 11ª--hydroxy(and alkoxy)-11, 19-epoxyandrostanes
IPC: C07J75/00
Filed: 1960-09-27
Abstract: The invention comprises steroid compounds of the general formula <FORM:0889379/IV (b)/1> wherein R represents hydrogen or an alkyl radical containing less than 7 carbon atoms and A represents -COCH2OH -COCH2I, -COCH3 or -COOH.  The compounds may be prepared by the following process:-oubagenin-1,19-acetonide is oxidised with chromic anhydride to form 3,11-dioxo-5b ,14b ,19-trihydroxycarda-1, 20(22)-dienolide, this compound is reduced with hydrogen in the presence of palladium-oncharcoal to form 3-oxo-5b ,11a ,14b -trihydroxy-11,19-epoxycard-20(22)-enolide which is in equilibrium with 3,11-dioxo-5b , 14b , 19-trihydroxycard-20(22)-enolide, this mixture is refluxed with acetic anhydride to form 3-oxo-11a ,14b -dihydroxy - 11, 19 - epoxycarda - 4, 20 (22) - di - enolide, this compound is etherified with the required alcohol in the presence of p-toluene-sulphonic acid to form 3-oxo-11a -alkoxy-11,19-epoxy - 14b - hydroxy - carda - 4, 20 (22) - di dienolide, this compound is treated with thionyl chloride to form 3-oxo-11a -alkoxy-11,19-epoxy-14b -hydroxycarda-4,20(22)-dienolide, this compound is hydrogenated in the presence of palladium-on-charcoal to form 3-oxo-11a -alkoxy-11,19 -epoxy-5a ,14a -card-20(22)-enolide, this compound is treated with ozone and then with zinc and an organic acid such as acetic acid, to form 11a  - alkoxy - 11, 19 - epoxy - 21 - hydroxy - 5a  - pregnane - 3,20 - dione of the above formula, this compound is esterified with p-toluene-sulphonyl chloride to form the corresponding 21-sulphonate ester, the sulphonate ester is treated with sodium iodide to form a compound of the above formula in which A represents -COCH2I, and reduction with zinc and acid forms a compound in which A represents -COCH3.  Any of these compounds may then be de-etherified with aqueous acid, e.g. p-toluenesulphonic acid to form the corresponding 11a -hydroxy compounds.  Treatment of the 11a -alkoxy - 11, 19 - epoxy - 21 - hydroxy - 5a  - pregnane -3,20-diones with alkali metal metaperiodates forms 3-oxo-11a -hydroxy-11,19-epoxyandrostane-17b -carboxylic acids of the above general formula which may then be etherified at the 11-position. Detailed examples are given.
Patent GB-954674-A (GB)
Title: Tunnel kilns
IPC: F27B9/12
Filed: 1960-09-27
Abstract: 954,674. Cooling in tunnel kilns. ATON PLANUNGSUND BAUGESELLSCHAFT FUR DIE KERAMISCHE. Sept. 27, 1960 [Nov. 12, 1959], No. 33207/60. Heading F4B. In the cooling zone of a tunnel kiln cooling pipes are disposed behind a screen with a number of damper controlled openings. Ribs e extending from the kiln cover have flanges h<SP>1</SP>, h<SP>11</SP> connected by transverse bridges p<SP>1</SP>, p<SP>11</SP> defining equal openings 0<SP>1</SP>.0<SP>11</SP> and 0<SP>111</SP>. An assembly of dampers q<SP>1</SP>, q<SP>11</SP>, q<SP>111</SP>, q<SP>1111</SP> spaced by connecting rods r<SP>1</SP>, r<SP>11</SP> slides over the bridges and may be moved by rods k<SP>1</SP>, k<SP>11</SP> extending through the kiln wall to expose the cooling pipes to the kiln tunnel to an adjustable extent. In a modification, Figs. 4-6 (not shown), a single bridge forms two openings controlled by independent sliding dampers. In either embodiment the adjustment of the dampers may be controlled automatically in accordance with the temperature requirements. In higher temperature regions ceramic dampers are used, but in lower temperature regions sheet-metal dampers, possibly with insulating linings, are used.
Patent GB-1105629-A (GB)
Title: Means for moving a stem of a screw-down valve linearly
Inventor: SAUNDERS CHARLES WILLIAM THOMA
IPC: F16K31/53
Filed: 1965-08-04
Abstract: 1,105,629. Screw-and-nut mechanism; valves. WESTINGHOUSE BRAKE & SIGNAL CO. Ltd. 4 July, 1966 [4 Aug., 1965; 15 Sept., 1965], Nos. 33302/65 and 39339/65. Headings F2Q and F2V. A valve stem 4 may be moved axially either by rotation of a hand wheel or by two independently controlled power means. The mechanism includes epicyclic gearing, one sun wheel 16 of which has a screw-threaded connection 17 with a screw-thread 18 on the valve stem 4, and another sun wheel 20 of whioh has a screw-thread 21 engaging a screw-thread 22 in a fixed housing part 23, the screw-threads 18, 21 being of opposite hand. The sun wheel 20 has one more tooth than the sun wheel 16 and they engage three planet gears 14 mounted in a carrier 13 which has an externally-toothed periphery 12 engaged by a pinion 11 on a shaft 10 of a reversible electric or pneumatic motor 9. A collar 31 is attached to the sun wheel 20 and carries an arm 30 which engages a pin 33 attached to the piston of a double-acting piston-andcylinder arrangement 32 which is operated by compressed-air. Rotation of the valve stem 4 is prevented during power operation of the mechanism by means of a spring-pressed tooth 37 engaging a slot carried by the valve stem 4. On operation of the power means 32 and motor 9, sun wheel 20 is rotated and by means of the screw threads 21, 22 the valve stem 4 is moved axially. When the collar 31 abuts the lower end of housing part 23, further rotation of sun wheel 20 is prevented and relatively slow rotation of sun wheel 16, through the epicyclic gearing, effects continued axial movement of the valve stem 4, by virtue of the screw threads 17, 18. In a modification, shown in the drawing accompanying the Provisional Specification 39339/65, initial axial movement of the valve stem 4 is effected by rotation of a threaded sleeve 21, engaging a fixed portion 23, by operation of a double-acting piston -and-cylinder arrangement 32. Subsequently, axial movement is also effected by rotation of a nut 116 by means of a motor 9 through reduction gearing 13, 14. In a further modification the motor 9 drives the nut 116 direct.
Patent GB-303634-A (GB)
Title: Improvements relating to feed water systems for condensing steam plant
IPC: F22D5/24
Filed: 1927-12-09
Abstract: 303,634. Boulton, P. R. Dec. 9, 1927. Feedwater, supplying and controlling.-In a system in which a surge tank 6 and heater 5 are provided between the condenser extraction pump 2 and the boiler feed pump 3, the surge tank is connected to the conduit 4 between the pumps by pipes 7, 8, which open into it on both sides of the heater 5 and a non-return valve 9 permits flow through pipe 7 only in the direction of the feed pump 3. A valve 10 in pipe 8 opens when the pressure on the condensate pump side of the valve exceeds a predetermined amount. Alternatively, a valve 10, responsive to pressure in the suction side of the feed pump may be used to control the flow of water to the surge tank through the pipe 8.
Patent GB-985779-A (GB)
Title: Apparatus for manipulating rod-like tobacco articles
Inventor: RUDSZINAT WILLY
IPC: A24C5/354
Filed: 1961-09-18
Abstract: 985,779. Escapement mechanism. K. KÍRBER. May 4, 1962 [Sept. 18, 1961], No. 33414/61. Heading F2X. [Also in Division B8] An escapement mechanism by which a container for cigarettes and the like is lowered stepby-step comprises a ratchet-toothed escapement wheel 24 connected to a counterbalanced container platform by a shaft 23, a sprocketwheel 49 and a chain 50, and pawls 28, 29 on arms 8, 9 which are pivoted on a fixed frame 1 at 6, 7 biased to engage the pawls with the wheel by a spring 12, and actuated by a doubleacting suction or compressed air cylinder 16 to withdraw the pawls alternately, the withdrawal of one pawl permitting the escapement wheel to rotate a half ratchet tooth pitch into abutment with the pawl not withdrawn. The con tainer lowering movement between successive rows may correspond to one ratchet tooth pitch involving two escapement wheel step movements per row, or to a half pitch involving one step movement per row. A cam member 32, free on the shaft 23 and circumferentially positioned by a spring-pressed ball detent 44 therein engaging one of two recesses 46, 47 in a fixed bearing block 22, has abutments 30, 31 respectively engageable by blocks 53, 52 secured to the chain 50 and peripheral cams 34, 35 respectively engageable with follower rods 36, 40 adjustably secured to the pawl arms 8, 9. When the container is filled the block 53 engages the abutment 30 to rotate the cam member, the detent releasing from the recess 46, and, through the follower rods 36, 40, withdraw both pawls 28, 29. The container platform then descends continuously until it reaches the bottom position, such descent being determined by the length of the cams 34, 35. After removal of the container the platform is raised by the counterweight and the block 53 is withdrawn from the abutment 30. The cam member is then held by the engagement of the detent 44 in the recess 47 so that the escapement wheel 24 can rotate to bring the platform to its top position without ratcheting hindrance of the pawls until the block 52 engages the abutment 31 to release the detent 44, rotate the cam member, and release the pawls for re-engagement with the escapement wheel for the start of the next platform lowering. Specification 949,993 is referred to.
Patent GB-1102623-A (GB)
Title: Improvements in or relating to folders
Inventor: KINGHAM ALBERT
IPC: B42F7/00
Filed: 1965-08-05
Abstract: 1,102,623. Books. TRADE LOOSE LEAF CO. Ltd. 11 July, 1966 [5 Aug., 1965], No. 33471/65. Headings B6A and B6E. A folder 10 in which sheets 19 are secured permanently or temporarily to one cover only of the folder, comprises a sheet of card &c. foldable centrally about the line A-A to provide two covers 14, 15, and semi-circular or other shaped tabs 16, 17 are out out of the cover 14 to hinge about the line A-A, these tabs being folded over the sheets 19 lying on the cover 15, and secured in position by staples 20 or other means which pass through the tabs, sheets, and cover 15. In a modification (Fig. 3), tabs (16, 17) are cut out of the cover (14) and staggered tabs (16a, 17a) cut out of the cover (15), and the sheets (19) are secured solely to these tabs, and can hinge independently of both covers. In a further form (Figs. 5 and 6), two semi-circular tabs (16, 17) are cut out of the cover (14), and oval-shaped cuts (25) are made in the cover (15) beneath the tabs (16, 17) so that the enclosed areas (26) are retained in the cover (15). When the tabs (16, 17) are folded over the sheets (19) and staples (20) passed through the tabs, sheets, and oval areas (26), the latter will be separated from the cover (15) and reinforce the fastening of the sheets. In yet another form (Fig. 4), semi-circular holes (22, 23) are cut in the front cover, the fold line lying along the diameter of the holes, and the sheets of paper (19) are fastened by staples (20) to the rear cover (15) by a stapling machine which operates through the holes (22, 23) when the covers are closed.
Patent GB-754640-A (GB)
Title: Process for the production of hexachlorbenzene
IPC: C07C17/00
Filed: 1954-11-19
Abstract: The invention comprises a process for the production of hexachlorobenzene by the treatment of hexachlorocyclohexanes and more highly chlorinated cyclohexanes, especially mixtures obtained in the production of gammahexachlorocyclohexane, with sulphur trioxide, chlorsulphonic acid, or sulphuryl chloride.  In examples hexachlorocyclohexane mixtures and -alphahexachlorocyclohexane are treated with chlorosulphonic acid, sulphuryl chloride or oleum, with or without solvents and catalysts such as AlCl3, to give good yields of hexachlorobenzene.
Patent GB-993980-A (GB)
Title: Improvements in and relating to detergent compositions and preparation thereof
IPC: C11D17/06
Filed: 1961-09-19
Abstract: A bleached particulate detergent composition having an apparent density below 0.45 g./cm.3, preferably 0.2-0.4 g./cm.3, in which the particles are in the form of irregularly-shaped sponge-like coherent aggregates having a pocked outer surface and a substantially uniform structure throughout are suitably obtained by mixing to a paste of pH 9.5-11 at 35-60 DEG  C. (a) an organic detergent, e.g. an ethylene oxide condensate with polypropylene glycol or isooctylphenol, but especially an anionic detergent such as soap, sodium alkyl sulphate or sodium alkylbenzene sulphonate, preferably in an amount of 2-65% by weight, (b) a hydratable salt, e.g. sodium tripolyphosphate, pyrophosphate, silicate, orthophosphate, sulphate, carbonate or bicarbonate, but especially Formula II sodium tripolyphosphate, in an amount of 10.75% by weight; (c) water, suitably in an amount of 15-40% by weight, and then lastly adding (d) an oxygen-liberating per compound, e.g. sodium perborate, but preferably hydrogen peroxide in an amount of 0.25-1% by weight.  The mixing is carried out rapidly, e.g. within one minute, to prevent escape of oxygen, and the paste allowed to expand under quiescent conditions to a volume at least twice that of the original paste, and to set to a friable mass containing 15-35% moisture, after which the mass so obtained is granulated. If the final product has a moisture content above 20%, it is preferably dried to bring the moisture below 20%, and the final granulation is so performed as to reduce the mass to particles having an average diameter of less than 2 mm., which particles also contain throughout a plurality of spherical voids having a diameter not greater than 0.6 mm.  Sodium carboxymethylcellulose, a hydrotrope such as sodium toluene or xylene sulphonate, a foam booster such as coconut monoethanolamide, melamine, polyvinyl alcohol, fluorescent brighteners, pigment and preservative may also be incorporated.
Patent GB-890320-A (GB)
Title: Organo-phosphorus acaricidal and ovicidal agents
IPC: C07F9/6533
Filed: 1959-10-02
Abstract: Diaryl phosphoramidates of formula <FORM:0890320/IV (b)/1> where R1 and R2, which may be the same or different, are hydrogen, alkyl or alkenyl or R1 and R2, together with the nitrogen atom, form a 5- or 6-membered heterocyclic ring which may contain further hetero atoms, or R1 may be a C1-4 alkylene radical bearing another <FORM:0890320/IV (b)/2> and R2 is a halophenyl radical may be prepared by reacting diaryl phosphorochloridates with ammonia or amines or by reacting phosphoramidic dichlorides with phenols or phenolates.  The products act as acaricidal and ovicidal agents (see Group VI). Eleven compounds are specified.ALSO:Acaricidal and ovicidal compositions comprise diaryl phosphoramidates of formula <FORM:0890320/VI/1> where R1 and R2, which may be the same or different, are hydrogen, alkyl or alkenyl or R1 and R2, together with the nitrogen atom, form a 5- or 6-membered heterocyclic ring which may contain further hetero atoms, or R1 may be a C1-4 alkylene radical bearing another <FORM:0890320/VI/2> group, and R3 is a halophenyl radical along with a solid diluent or extender or water containing an emulsifier.
Patent GB-819642-A (GB)
Title: Method and movable index for determining the products to be used in cleansing plants and laundry works
IPC: D06F43/00
Filed: 1955-11-23
Abstract: 819,642. Hand-operated indicators. CONSTRUCTIEWERKHUIZEN E. D'HOOGE P.V.B.A. Nov. 23, 1955 [Nov. 24, 1954], No. 33595/55. Class 118 (1). An indicator for determining appropriate substances for and their method of use in removing stains from textiles, comprises a front carrier 1 having a window 2 for exposing the names of stains forming a group, a second window 4 for exposing a reference numeral for the group, a third arrow-shaped window 5 for exposing a generic term for the group, a plurality of holes 3 aligned with names of the substances and in. structions for their use, and a rear disc-shaped carrier 6 rotatably mounted on the carrier 1 and having a plurality of substantially equal marked sectors each sufficiently large to cover simultaneously all the windows and holes of the front carrier 1 and each having thereon the names, numeral, and term for the windows, and marks for some of the holes 3.
Patent GB-1073486-A (GB)
Title: Process for halogenating organic nitrogenous compounds
IPC: C07D209/38
Filed: 1964-08-17
Abstract: Organic amides, imides or lactams containing at least one hydrogen atom bonded to a nitrogen atom are N-halogenated by reaction with a hypohalous acid anhydride dissolved in an organic solvent.  Examples describe the chlorination of hydantoin, benzene sulphonamide, urea, succinimide, indole, and isatin.ALSO:Cyanuric acid is N-chlorinated to give N,N1,N11-trichloroisocyanuric acid or N,N1-dichloroisocyanuric acid by reaction with dichlorine oxide dissolved in carbon tetrachloride or chloroform.
Patent GB-446766-A (GB)
Title: Improvements in air cooling for internal combustion engines
IPC: F01P7/02
Filed: 1934-11-23
Abstract: 446,766. Cooling cylinders. ROWLEDGE, A. J., Ellerslie, Trowels Lane, Derby. Nov. 23, 1934, No. 33681. [Class 7 (ii)] In a multi-cylinder V-engine, cooling air is introduced, by several forwardly-projecting intakes h<1> of the expanding type, into the top of the space d between the two rows of cylinders and escapes between and over the walls of the cylinders. In the X-engine shown, air is also introduced into the space d<3> between the lower rows of cylinders and discharge takes place through side spaces d<1>, d<2> and converging outlets at the rear of these spaces arranged so that the slip stream produces a suction thereon. The spaces are closed by plates f, f<3> and baffles g projecting on to the cylinder heads ; additional baffles may be arranged between the cylinders adjacent the fins. The intakes, or a common manifold h<2> in which they are enclosed, may have valved entrances.
Patent GB-795740-A (GB)
Title: Improvements in or relating to operating mechanism for electric switch gears
Inventor: STROTHERS LESLIE JOHN
IPC: H01H9/00
Filed: 1955-11-25
Abstract: 795,740. Regulating switches. BRUSH ELECTRICAL ENGINEERING CO., Ltd. March 28, 1956 [Nov. 25, 1955], No. 33802/55. Class 38 (5). An actuating mechanism for a diverter switch comprises a shaft driving two cam discs, one of which rocks a lever to compress one end of a spring and the other cam serves to release the built-up energy in an overcentre lever device connected to the switch. The former cam a is engaged by a roller k on a lever i pivoted at x, and the releasing cam b is engaged by a roller t on a bellcrank lever n pivoted at m. The free end of lever i is pivoted at j to a compression spring device comprising springs u, v and telescopic parts w, 7, the other end of said device being pivoted to the roller t. Clockwise rotation of the shaft c causes the roller k to be moved to the right by cam surface a<SP>1</SP> so as to tilt the lever i and compress springs u, v. Just before the dead-centre position is reached, roller k engages the circular surface a2, and the roller t is pushed to the left by cam surface b<SP>5</SP> to move the mechanism over-centre. thereby rotating lever n counter-clockwise to operate the switch s. Further rotation causes the parts to return to the position shown. The cam surfaces may be formed on opposite faces of a single disc, and two coupled shafts may be used.