baber/WOPTO huggingface dataset:
Patent GB-225659-A (GB)
IPC: G03C7/06
Abstract: 225,659. Kitsee, I. Oct. 4, 1923. Coloaer photography. - A two-colour screen pattern is produced in a celluloid film for photographic or kinematographic purposes in the form of short colour lines, embedded in the celluloid, which alternate both transversely and longitudinally. The lines of one colour set are in intaglio with respect to those of the other set. In the form described, one surface of the film is dyed uniformly green with an alcoholic dye solution containing a celluloid solvent. The film is covered with a resist such as gelatin or gum arable, and is passed through the gate 8, Fig. 7, of a machine wherein its dyed surface is subjected to the action of a rotating cutter drum built up of thin, contiguous discs 11, 12, Fig. 9, each having a cutting edge 25, and an inoperative recessed portion 24. The cutting edges of adjacent discs lie on opposite sides of a diameter of the drum. The drum removes the resist and subjacent dyed layer of celluloid in short lines, as indicated at 4, Fig. 4, the length of each line depending on the relative speeds of the drum and film. The film surface is then treated with a second dye in a bath of the same nature as the first, which dyes the bared portions of the celluloid. The resist is finally removed by washing in water, and the film may then receive a coating of panchromatic emulsion. The cutting machine is provided with means 15 for adjusting the depth of the cut, and with an air-nozzle 23 for cooling. The discs are preferably 1/500 of an inch thick, and may have serrated cutting edges. Each disc may have several shorter cutting edges, separated by recessed portions, arranged round its circumference.
Patent GB-1097904-A (GB)
Title: Uranium alloys
IPC: G21C3/60
Filed: 1965-05-28
Abstract: An alloy for use in a nuclear fuel element consists of:- .Mo.0.1 - 0.3% .Nb.0.6 - 0.8% .U.the remainder  The alloy is homogenized by heating to the g  phase (e.g 900 DEG C.) and cooling at 5 to 80 DEG C./ minute.
Patent GB-1335508-A (GB)
Title: Colour cathode ray tube
IPC: H01J29/70
Filed: 1972-05-15
Abstract: 1335508 Colour television tubes TOKYO SHIBAURA ELECTRIC CO Ltd 15 May 1972 [18 May 1971] 22747/72 Heading H1D A shadow mask colour C.R.T. comprises three electron guns 17R, 17G, 17B arranged in the same plane, a convergence device 18, a deflection device 21 and beam control means 22 to shield the beams from the outer guns from a horizontal deflection field and the beam from the centre gun from a vertical field thereby reducing the relative horizontal deflection angles of the side beams and the relative vertical deflection angle of the centre beam. This results in equal horizontal displacement of side rasters and permits balanced current in the convergence device. The deflection device 21 produces a horizontal "pin cushion" field and a vertical "barrel" field. The convergence device 18 comprises a magnet and coil assembly 19, 20. The beam control means 22 includes pairs of U- and V-shaped members 23, 24 of material with high magnetic permeability.
Patent GB-1274793-A (GB)
Title: Accelerated cultivation of microorganisms
IPC: C12N1/38
Filed: 1970-05-12
Abstract: 1,274,793. Influencing fermentations with electrically-treated air. GRIFFIN POLLUTION CONTROL CORP. May 12, 1970 [Jan. 22, 1970], No.22889/70. Heading C6F. Air e. g. pre-purified bottled air, which has been taken through an electric discharge of 15, 000 volts across a grid pack of coarsely woven or expanded aluminium electrodes is passed, after the ozone content has fallen to substantially zero, into a micro-organism culture, preferably by blowing the treated air into the cultivation medium below the surface through a hypodermic needle. Examples are directed to the cultivations of specified bacteria Rhodotorula, Penicillium, and the mixed cultivation of Diplococcus and yeast.
Patent GB-1203528-A (GB)
Title: Improvements in or relating to marine derrick systems
IPC: B66C23/60
Filed: 1969-05-06
Abstract: 1,203,528. Ship's derricks. KAY SEVEN CO. Ltd. 6 May., 1969 [9 Aug., 1968], No. 22943/69. Heading B8B. A marine derrick system comprises a derrick post 7 erected on deck D at a point deviated athwartships from the longitudinal centre line X-X and having a top end portion 8 bent inwardly so as to have its tip above the line X-X. A derrick boom 3 is pivotally mounted by means of a goose-neck 2 on a housing 30 and has a length greater than the height of the post 7. A pair of lugs 5, 5<SP>1</SP> are secured on a swivel ring 6 and respectively carry guy pendant sheaves 15, 17. The arrangement permits the use of the system with the boom 3 either forwardly of the post 7 as shown in full lines at I or aftwards as shown ghosted at II. The transition is effected by bringing the boom 3 nearly vertical and rotating the gooseneck 2 either manually or mechanically.
Patent GB-751317-A (GB)
Title: Improvements in arrangements for deflecting fluid jets, especially for reaction-propulsion units
Inventor: BERTIN JEAN HENRI
IPC: F02K1/56
Filed: 1954-08-06
Abstract: 751,317. Jet propulsion plant. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Aug. 6, 1954 [Sept. 1, 1953], No. 22973/54 Drawings to Specification. Class 110(3) [Also in Group XXXIII] The subject-matter of this Specification is substantially the same as that described in Specification 751,316 but the claims differ
Patent GB-1504613-A (GB)
Title: Liquid azonaphthalene dyestuffs process for their preparation and their use
IPC: C10L1/22
Filed: 1975-05-23
Abstract: 1504613 Liquid azo dyestuffs PRODUITS CHIMIQUES UGINE KUHLMANN 23 May 1975 [28 June 1974] 22990/75 Heading C4P Novel liquid dyestuffs of the formula (wherein y is zero or I and x and z are each whole numbers such that x + y + z = 5 to 17, A is phenyl or naphthyl optionally substituted by at least one C 1-  2  alkyl or alkoxy group and B is phenylene or naphthylene optionally similarly substituted, and n is zero or 1) are prepared by coupling the diazo derivative of an amine of the formula with an appropriately N-substituted 2-aminonaphthalene. Coupling may be effected in the presence of an organic solvent, e.g. xylene, and the resulting mixture of solvent and dyestuff separated from the aqueous phase because the novel dyestuffs are miscible with organic solvents. In the coupling reaction mixtures of diazo derivatives and mixtures of coupling components may be used. The dyestuffs may be used for colouring hydrocarbons, especially petroleum products, inks, waxes, fats and plastics materials in shades from orange to violet.
Patent GB-1389917-A (GB)
Title: Lateral convergence correction circuits for colour television
IPC: H04N9/28
Filed: 1972-05-17
Abstract: 1389917 Cathode-ray tube circuits SIEMENS AG 17 May 1972 [22 June 1971] 23062/72 Heading H4T  In a lateral convergence circuit for a multibeam colour television cathode-ray tube individually adjustable potentiometers 12, 13 (Fig. 1) connected in oppositively conductive parallel paths supplied with a positive line frequency sawtooth at terminal 14 and a negative line frequency sawtooth at terminal 15 control the amplitude and polarity of convergence current in a lateral convergence coil 3 by controlling the conduction of complementary transistors 1 and 2. Because the sawtooth inputs at terminals 14 and 15 have no direct current component they have zero value corresponding to picture centre position and since the convergence current must be zero during the scanning of picture centre the mean direct-current level of the voltages derived from the potentiometers 12 and 13 are shifted by means of Zener diodes 10 and 11 such that, at picture centre, the transistors 1 and 2 are cut-off. The characteristic of the currents flowing through the coil 3 may be improved by forming the negative feed back resistors 4 and 5 as non-linear devices, such as voltage dependent resistors, or diodes, which give the sawtooth current an approximately parabolic form. A modification in which the Zener diodes are replaced by respective complementary transistors is described with reference to Fig. 2 (not shown).
Patent GB-1465166-A (GB)
Title: Elevator system
IPC: B66B7/06
Filed: 1974-05-23
Abstract: 1465166 Chain wheels WESTINGHOUSE ELECTRIC CORP 23 May 1974 [25 May 1973] 23078/74 Heading F2Q [Also in Division B8] In an elevator system having an elevator car and a counterweight interconnected by hoisting roping, a weight compensating link chain 72, 74 interconnects the undersides of the car and counterweight and is guided and tensioned by a sheave around which the chain passes the sheave being constructed to minimize chain noise and sway during motion. The sheave comprises axially spaced elastomeric members 54<SP>1</SP>, 56<SP>1</SP> disposed between plate members 58, 60 secured to the sheave core member 40, each member 54<SP>1</SP>, 56<SP>1</SP> being formed as a continuous loop having an inside diameter equal to the outside diameter of the cylindrical member 40. The outside diameter of the members 54<SP>1</SP>, 56<SP>1</SP> is selected to provide a gap between these members to receive alternate chain link 72 normal to the sheave axis, the other alternate chain links 74 pressing radially inwardly of the sheave tending to flatten the elastomeric members 54<SP>1</SP>, 56<SP>1</SP> causing the links 72 to be gripped therebetween. The elastomeric members 54<SP>1</SP>, 56<SP>1</SP> shown are hollow, but may alternatively be solid and in the embodiments of Figs. 7-8 (not shown) these hollow or solid elastomeric members are formed integrally with a common base extending around the core of the sheave.
Patent GB-626263-A (GB)
Title: Improvements in or relating to housings for electrical apparatus
IPC: H01G4/236
Filed: 1947-08-20
Abstract: 626,263. Condensers. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Aug. 20, 1947, No. 23081. Convention date, Aug. 22, 1946. [Class 37] [Also in Groups XXII and XXXV] A casing 14 of aluminium or aluminium alloy for enclosing condensers or other electrical apparatus has an opening 28 to receive a ceramic or other bushing 24, and a ring 30 of brass of U-section overlaps the edge of the opening and is soldered thereto, the outer surface of the joint being sealed by a non- metallic preferably thermosetting compound to protect it from air. The ring 30 is also soldered at 36 to the bush, which has a platinum glaze. The casing may be filled with dielectric, and the edge 28 of the casing opening is bent to a # shape. The sealing compound may be the reaction product of the acid half ester of castor oil and maleic anhydride and monostyrene, or an alkyd resin. Specifications 597,218, [Group IV], and 605,706, [Group IV (a)], are referred to.
Patent GB-1013543-A (GB)
Title: Improvements in or relating to photographic cameras
Inventor: HARTER PAUL
IPC: G03B7/12
Filed: 1962-06-15
Abstract: 1, 013, 543. Photographic cameras. EASTMAN KODAK CO. June 15, 1962 [June 15, 1961], No. 23139/62. Heading G2A. A camera comprises a photo-electric exposure meter, the pointer of which is explored by a sensing member upon actuation of the shutter release so as to set diaphragm aperture and/or shutter speed, and a built -in delayed action mechanism which, when tensioned, is coupled to the shutter operating mechanism and, after limited actuation of the latter, serves to effect further movement thereof to release the shutter. As shown, the manually operable shutter actuating member 5 has a pin 5 a between arms 16, 17 and moves downwardly as spring 27 and a sleeve 15. This allows downward movement of a sleeve 13 under control of a spring 28 which involves a rod 6 carrying the sensing member 7 for the pointer of a photo-electric exposure meter. The downward travel of sleeve 13 is thus dependent on the light intensity and so sleeve 13 adjusts diaphragm and/or shutter speed setting lever 14 accordingly. Further downward movement of member 5 causes sleeve 15 to pivot lever 19 to operate a shutter release 18. In the camera is a delayed action device comprising a spring loaded lever 21 which actuates, through an escapement 23, a driving lever 24 provided with a pin 24a and is operatively associated with a lug 22a on a spring loaded slide 22. When this mechanism is tension by actuating lever 21, slide 22 is moved to its upper position and lever 24 pivots so that pin 24a engages between arms 16, 17. In this case manual movement of the member 5 is stopped by slide 22 after a limited movement sufficient for sleeve 13 to set the lever 14 and the shutter is released only after the delayed action mechanism has run down.
Patent GB-1041065-A (GB)
Title: Polymeric compositions
IPC: C08L23/02
Filed: 1963-06-12
Abstract: A composition comprises 20-99% of an olefine polymer and 1-80% of an ethylene/acrylic acid copolymer, both polymers having a melt index of less than 1000.  The olefine may be ethylene and/or propylene, ethylene/ethyl acrylate, ethylene/vinyl acetate or ethylene/bicycloheptene. The ethylene may be the major portion of the ethylene/acrylic acid copolymer which may also contain 10-25% of vinyl acetate or ethyl or t-butyl acrylate.ALSO:A substrate, e.g. wood, plastic and metals, is coated with a composition comprising 20-99% of an olefine polymer and 1-80% of an ethylene/acrylic acid copolymer, both polymers having a melt index of less than 1,000.
Patent GB-1372658-A (GB)
Title: Vacuum cleaner having a signal device for indicating absence of a dust bag
IPC: A47L9/19
Filed: 1973-05-16
Abstract: 1372658 Suction cleaners ELECTROLUX Ltd 16 May 1973 [31 May 1972] 23342/73 Heading A4F A suction cleaner includes means responsive to the absence of a dust bag to render operable a device to produce a warning signal. When the dust bag 19 is in position a cardboard sheet 19a surrounding the mouth 19b of the bag bears against a pin 48 to hold closed a valve 47 against the action of a spring 51. In the absence of the dust bag 19 the valve 47 opens and operation of the cleaner causes an air flow through an inlet 53 past a metal reed 42 to vibrate the latter to produce an audible signal.
Patent GB-1044799-A (GB)
Title: Manufacture of photographic colour prints
Inventor: HUNT ROBERT WILLIAM GAINER
IPC: G03B27/73
Filed: 1964-06-05
Abstract: 1,044,799. Photographic colour printing. KODAK Ltd. June 4,1965 [June 5, 1964], No. 23395/64. Heading G2A. [Also in Division G1] The colour balance of photographic prints is assessed by exposing them to light, receiving separate electrical signals from the reflected or transmitted light for each of the red, green, and blue components, integrating these separate signals and causing the integrated values to be indicated or recorded. In the form shown, the exposed and processed prints are in a continuous strip or roll 14, which is wound across from a supply spool 3 (Fig. 1, not shown) to a take-up spool 6 by means of a variable-speed motor 7. The measuring head 4 contains two fluorescent tubes 12,13, the light from which is reflected from the prints to a row of three photocells 15 above them. Each cell has in front of it a red, green or blue filter 17 respectively, so that it is sensitive only to that colour of light. The output from each cell is a D.C. current directly proportional to the intensity of the illumination, and this is integrated by the circuit of Fig. 3 (not shown), the charge on capacitor 23 increasing until it triggers a switch 24. This operates relay contacts 25, 26, which discharge the capacitor and connects a power supply 27 to a register 28 (shown as 18 in Fig.2) which indicates the integrated light value. The colour balance may be assessed by running through at least 150 colour prints, and integrating and recording the reflectances of each of the three colour components at the end of a predetermined time. These signals may be fed back to the colour printer to adjust or control its exposure.
Patent GB-1048627-A (GB)
Title: Improved safety method and safety apparatus applicable to exploders
IPC: H03K17/292
Filed: 1963-06-12
Abstract: 1,048,627. Firing circuits for exploders. NOBEL-BOZEL. June 12, 1963 [June 15, 1962], No. 23421/63. Heading H2H. The Specification describes several circuits of the condenser charge-discharge type for firing explosives so arranged that current cannot flow in the firing circuit unless the condenser voltage has reached a predetermined value and that the current flow is of limited predetermined duration. The embodiment shown in Fig. 2 comprises a condenser 4 charged from a D.C. source 1 through a switch 3 and discharged through a firing circuit L via a switch 5 and a controlled rectifier 6 between whose anode and control electrode is connected a series circuit including a neon tube 8, and between whose anode and cathode is connected a circuit including the secondary winding of a transformer 23 whose primary is connected to an RC timing circuit 19, 20 through a gas tube 21. Rectifier 6 will not conduct until the voltage of condenser 4 is sufficient to strike the tube 8. The current in the circuit L, when established, is broken after a predetermined time by flashover of the tube 21 which produces an impulse through members 23, 31 sufficient to stop rectifier 6 conducting. Members 25, 36 protect other parts of the circuit from this impulse. Fig. 3 shows a circuit in which a controlled rectifier 22 is maintained conducting, by a circuit including transistor 27, Zener diode 21 and diode 29, as long as the voltage of condenser 4 is insufficient to strike the tube 8, so that if switch 5 is closed during this condition the line L is short-circuited by the rectifier 22. When tube 8 strikes the rectifier 22 becomes non-conductive for a predetermined time adjustable by an RC circuit 19, 20 connected to members 30, 32, 33, the arrangement being such that the time of current flow may be made independent of the resistance of the firing line. In a third embodiment, Fig. 1 (not shown), two controlled rectifiers are used connected respectively in series and in parallel with the firing line, the series rectifier being controlled by the condenser voltage and the parallel rectifier by an RC timing circuit. Further embodiments are described in which a single series-connected rectifier is controlled by a coldcathode thyratron and a potentiometer, Fig. 4 (not shown), or in which the switch 5 is included in the circuit of the rectifier control electrode, Fig. 5 (not shown). These single series-connected rectifier arrangements may limit the duration of current flow by using a rectifier which automatically cuts off when the voltage of condenser 4 has fallen to a predetermined value.
Patent GB-718844-A (GB)
Title: Improvements in or relating to a process for preparing a mixture of isomeric dimethoxydecadienes
Filed: 1952-09-18
Abstract: A mixture of isomeric dimethoxydecadienes is obtained in a process wherein a mixture of isomeric methoxychloropentenes, dissolved in a solvent is reacted with finely-divided iron at a temperature from 10 DEG  C. to the refluxing temperature of the reaction mixture, said iron being in such a finely-divided form as to pass through a No. 140 U.S. Standard sieve and being present in an amount equal to at least one half mol. per mol. of said methoxychloropentenes, characterized by adding to the reaction mixture an activator consisting of metallic cadmium, cobalt, nickel, tin, lead, palladium, copper, mercury, silver, gold and platinum or a salt of such a metal, said activator being added in such an amount as to provide 1-15 per cent, based on the weight of said iron of the metal in said activator.  Typical salts mentioned are chlorides, sulphates, nitrates, phosphates, acetates, formates, oxalates, benzoates and phthalates.  Solvents mentioned include alcohols, especially alcohol and other alcohols containing one to seven carbon atoms such as butyl, hexyl and benzyl alcohols which may be separated readily from the reaction mixture by distillation, acetonitrile, dimethyl-formamide, propionitrile, butyronitrile and dioxane.  Normal or super- or sub-atmosphric pressure may be employed.  In examples: A mixture of isomeric methoxychloropentenes, obtained on passing butadiene into a mixture of methylchloromethyl ether and zinc chloride, dissolved in ethyl alcohol is refluxed with hydrogen-reduced iron of the required particle size under carbon dioxide.  A mixture of isomeric dimethoxydecadiene is obtained by cooling, extracting the product with ether and fractionating.  This process is repeated with the addition of a sulphate of copper, cobalt or nickel or mercuric chloride to obtain increased yields of 1,10-dimethoxydecadiene (1); and using acetonitrile as solvent instead of ethyl alcohol similar reactions are carried out with iron alone and in the presence of nickel sulphate, nickel chloride or Raney nickel.  The iron, activator and acetonitrile may be heated together before the mixture of methoxychloropentenes is added (2).  The amount of the 1,10-dimethoxydecadiene of the formula CH3O-CH2CH2CH = CHCH2CH2CH =CHCH2CH2OCH3 present in the mixture of isomers obtained in the process may be determined by hydrogenating the dimethoxydecadienes to dimethoxydecanes and treating the mixture with a solution of urea in methanol when the 1,10-isomer only reacts to form a complex which can then be separated from the other isomeric dimethoxydecanes. Specification 711,663 is referred to.
Patent GB-830884-A (GB)
Title: Improvements in the production of alkylaluminium sesquichlorides
IPC: C07F5/06
Filed: 1958-07-22
Abstract: Alkyl aluminium sesquichlorides are prepared from metallic aluminium and methyl or ethyl chloride by reacting less than the stoichiometric amount of one of the said alkyl chlorides with a given amount of metallic aluminium, pressures from about atmospheric to up to about 5 excess atmospheres, after completion of the reaction the alkyl aluminium sesquichloride formed is partly separated and stoichiometric amounts of fresh aluminium and alkyl chloride added and allowed to react.  The aluminium may be in the form of chips, granules, or powder.  An inert diluent, e.g. hexane, cyclohexane or isopropylhexane may be present.  The reaction is carried out at temperatures from 0 DEG  to 200 DEG  C.
Patent GB-160406-A (GB)
Title: Improvements in braces for personal wear
IPC: A41F3/00
Filed: 1920-08-11
Abstract: 160,406. Keen, W. H. Aug. 11, 1920. Braces. - These comprise inelastic shoulder straps a carrying metal loops e which are connected by a strap c and support short straps f carrying pulleys d over which pass inelastic tabs h. The front ends of the shoulder straps carry single leather tabs b.
Patent GB-359091-A (GB)
Title: Improvements in chairs, settees and the like
IPC: A47C7/00
Filed: 1930-08-06
Abstract: 359,091. Bending wood. NEWSUM, SONS, & CO., Ltd., H., Gainsborough, Lincolnshire, and ALESBURY, D. L., Spencer House, Spencer Avenue, Coventry. Aug. 6, 1930, Nos. 23510/30 and 10934/31. [Class 145 (i).] In a chair, settee, &c. the body a, including the back rest and sides or arm rests, is made an integral self-supporting unit entirely of one piece of ply-wood which is first bent by heat and pressure to the desired shape and is subsequently set permanently in that shape by a reheating process at a temperature of about 150‹ F. The legs c may be made in pairs each formed of one piece of bent wood c<1>, or separate legs may be dispensed with, the body being continued below the seat member to form feet d.