baber/WOPTO huggingface dataset:
Patent GB-1105644-A (GB)
Title: Improvements in and relating to a method and apparatus for smoothing the surface of light concrete elements or other similar building elements
IPC: B28D1/20
Filed: 1965-11-16
Abstract: 1,105,644. Smoothing concrete blocks. HENRIKSEN & HENRIKSEN I/S. 16 Nov., 1965 [16 Nov., 1964], No. 48578/65. Heading B5E. A method of smoothing the surface of light concrete blocks, or other similar building blocks, which are produced by cutting up a solidifying grout, comprises causing the blocks, after their final solidification, to pass through one or more pairs of rollers 12, 13 which are pressed against the surface of the blocks at such high pressure that projections on the surfaces are broken off and rolled down into the surfaces. The rollers 12, 13 are mounted in bearings 14, 15 and 16, 17 respectively located in a frame 1, 2. The upper bearings 16, 17 are each connected to the piston-rods of hydraulic-operated rams 22, 23. The rollers are driven from a motor via gears 18, 19.
Patent GB-1405470-A (GB)
Title: Containers of cardboard or the like material mould for electroslag  remelting furnace
IPC: B65D5/52
Filed: 1972-10-24
Abstract: 1405470 Display cartons FIELD SONS & CO Ltd 23 Jan 1974 [24 Oct 1972] 48848/72 Addition to 1147395 Heading B8P The display carton of Specification 1,147,395 is modified in that the side walls of the display unit are slit at 19 so as to permit flexing of the display unit and thus facilitate insertion of the projecting tabs 18 into the slots 34 provided in the box parts. (For Figure see next column.)
Patent GB-490193-A (GB)
Abstract: 490,193. Cooking-stoves. TAYLOR, J. Dec. 23, 1937, Nos. 35605 and 35606. Convention dates, Feb. 25 and Nov. 13. [Class 126]35606.Con A cooking - stove comprises bottom bars 9, a door 20 for closing the upper part of the front, primary air inlet openings 21 below the door and 'means such as hollow side members 17, 18 for admitting heated secondary air from the ashpit above or in proximity to the fuel level, the arrangement being such that the entry of air is unrestricted by any adjustable means, the rate of combustion being controlled solely by a damper in the flue 26. A boiler 12 is positioned at the back of the firebox and if rapid heating of the water is required, a damper 15 is opened so that the combustion gases pass up a passage 14 through the boiler. Normally, a small flow through the passage 14 is permitted by an opening 15<1> in the damper 15, the main flow of gases being through flues 22, 24 and 25 around an oven 23 and then to the chimney through a passage 14<1> behind the boiler. In a modified construction, the secondary air is admitted through outlets in an arch beneath which gases pass to the flue 22.
Patent GB-1313234-A (GB)
Title: Coated seeds
IPC: A01C1/06
Filed: 1971-10-26
Abstract: 1313234 Coated seeds UPJOHN CO 26 Oct 1971 [30 Oct 1970] 49729/71 Heading A2Q Seeds, particularly small seeds such as those of lettuce, onion, carrot, cabbage, celery, radish, spinach, endive, beet, parsley, tomato, are coated to facilitate sowing, the coating comprising an inner layer of porous particles substantially free of binder, and an outer layer comprising porous particles, polyvinyl acetate and polyvinyl alchol. The coating may contain plant-growth promoting agents, pesticides, fungicides, bactericides, nematocides, bird repellants, and symbiotic bacteria, e.g. nitrogen-fixing bacteria. The porous particles may be finely ground particles of vermiculite, perlite, corn cob pith, polyurethane, or diatomaceous earth. Application of the inner coating may be effected by tumbling the seeds with the porous particles and mist-spraying an adhering agent, e.g. water or a dilute aqueous solution of methyl cellulose or hydroxypropyl methyl cellulose. The outer coating is then applied by continued tumbling of the seeds with the porous particles whilst mist-spraying an aqueous suspension of polyvinyl acetate particles and polyvinyl alcohol to which a tacky component, such as starch or dextrin, or a plasticizing component, such as glycol, may be added. The suspension is applied in sufficiently small quantities to avoid glazing of the outer surface and loss of the porous character of the coating. Alternatively, seeds to which the inner layer has been applied may be impressed into moulded bodies of various shapes made from the outer coating composition.
Patent GB-984067-A (GB)
Title: Improvements relating to the continuous casting of metal melts
IPC: B22D11/18
Filed: 1963-12-19
Abstract: 984,067. Continuous casting - machines. DORTMUND - HORDER HUTTENUNION A.G. Dec. 19, 1963 [Jan. 25, 1963], No. 50182/63. Heading B3F. In a method of continuous casting metal is poured intermittently from a ladle 1 into a reservoir 3 from which the metal runs continuously into one or more moulds 7, the space above the melt in the reservoir being sealed from the atmosphere and evacuated as each charge is poured into the reservoir so that the level of the melt rises higher than it would otherwise do to take up the bulk of the charge. The pressure in the space above the melt is then increased gradually before the next charge of metal is poured into the reservoir so that the metal running into the mould or moulds is under a substantially constant pressure head. A carbon rod heating element 10 maintains a reducing atmosphere in the reservoir, which may be tilted to supply two moulds simultaneously at different rates.
Patent GB-504461-A (GB)
Abstract: 504,461. Extracting whale oil. HEYERDAHL, E. F. Oct. 25, 1937, No. 29086. Convention date, Oct. 25, 1936. [Class 91] In the extraction of oil from whale parts by treating the comminuted parts with steam in a screening drum, the parts of the entire whale, including bones, meat, and blubber in admixture are treated. The entire whale parts are finely comminuted and admitted through a charger 3 to a drum 2 provided with a conveyer worm 9 and having a fine mesh screen to retain the solid particles. Steam is admitted through jets directed inside and outside the drum, whereby the screen openings are maintained open. Oil and-water flows through a pipe 4 to a tank 5. The solids containing about 50 per cent of liquid passes to a press 6, from which the expressed oil and water passes to the tank 5. The liquid in the tank 5 is then clarified and the oil is separated. The press residue is then dried. Specification 310,642, [Class 91], is referred to.
Patent GB-1519608-A (GB)
Title: Latches
IPC: E05B65/08
Filed: 1977-02-28
Abstract: 1519608 Latch DOVER ROLLER SHUTTERS Ltd 28 Feb 1977 [9 Dec 1975] 50497/75 Heading E2A A latch suitable for use on sliding doors or shutters comprises a housing 1, which in use is secured e.g. to the bottom lath of a shutter, and in which slides a catch plate 4 biassed downwards by springs 5 so that a portion 6 extends out of the housing. Rotatably mounted in the housing is a hook 7 biassed by spring 13 to its operative position (Fig. 2), but held in its inoperative position (Fig. 1) by the engagement of the notch 11 on the hub 9 of the hook 7 with projection 12 on the catch plate 4. In use the portion 6 of the catch plate 4 is pushed upwards by the floor 16, thus the hook 7 is released to engage a hook plate 15 mounted in the floor.
Patent GB-1338617-A (GB)
Title: Chromogenic marking material
IPC: B41M5/145
Filed: 1971-11-01
Abstract: 1338617 Fluoran compounds NATIONAL CASH REGISTER CO 1 Nov 1971 [16 Nov 1970] 50665/71 Heading C4P [Also in Division D2]  The invention comprises substantially colourless chromogenic marking material which comprises two chromogenic compounds wherein the first of the compounds is of formula where R is H, NO 2  or amino; each R 1  is H, CH 3  or C 2 H 5 ; R 2  is or -CH 2 -R 3  where R 3  is H, phenyl, acetyl, benzoyl, -OCH 3 , -CH = CH 2 , ethoxycarbonyl, N,N - dimethylamido or CH 3 , the groups R both being H when R 2  is -CH 2 -R 3 ; and the second compound is selected from 3,3-bis- (1 - ethyl - 2 - methylindol - 3 - yl) - phthalide, 3<SP>1</SP> - diethylamino - 6<SP>1</SP>,7<SP>1</SP> - methylenedioxy fluoran, and fluorans of formulµ where R 4  is H, CH 3 , C 2 H 5 , phenyl, or methoxycarbonyl; each R 5  is H, Cl, CH 3 , C 2 H 5  or SCH 3 ;   and ##R 6  represents a 7<SP>1</SP>,8<SP>1</SP>-benzo group or a 7<SP>1</SP>(N)8<SP>1</SP>-pyridino group. The compounds are converted into a coloured form when contacted with an acidic coreactant material, e.g. attapulgite clay or a phenolic polymer.
Patent GB-1496345-A (GB)
Title: Resinous coating composition forming a hygroscopic non-fogging coating film with a high surface hardness and method of forming such coating films
IPC: C09D133/24
Filed: 1974-11-25
Abstract: 1496345 Non-fogging coatings and articles NIPPON HYDRON CO Ltd 25 Nov 1974 [29 Nov 1973 30 Nov 1973 21 Dec 1973] 50961/74 Heading C3P [Also in Division B2] Hygroscopic non-fogging coatings and articles having high surface hardness are formed from compositions comprising a hygroscopic resin which is a polymer or copolymer of a hydroxy- C 1-4  alkyl acrylate or methacrylate or a hydroxy- C 1-4  alkoxy-C 1-4  alkyl acrylate or methacrylate admixed with (a) 5-60 wt. per cent, based on the resin, of a surface active agent which is of anionic or polyoxyethylene non-ionic type, and (b) 5-70 equivalent per cent, based on the resin, of a cross-linking agent in which at least 80% of the functional groups are of the same kind and which has a single- or condensed-ring carbo- or hetero-cyclic skeleton, each ring being 4 to 8 membered, and the linkage between said skeleton and the point of reaction with the resin being at most 4 atoms long inclusive of the atom of the reaction point. A cross-linking catalyst may also be included, and the compositions may be first formed in a solvent, e.g. ethylene glycol monomethyl ether. A coating film formed from such a composition preferably has a cross-linking density gradient decreasing from its surface towards its point of contact with a substrate. This gradient is achieved by forming the film from a composition from which at least one component is absent, and then incorporating the absent component in a concentration gradient by contacting the film with a solution or vapour containing it. The absent component may be the cross-linking agent or the catalyst. On curing the resulting film, a cross-linking density gradient forms by virtue of the concentration gradient of one or other component. Further improvement in the film properties may also be attained by contacting it with water or steam before, during or after curing. In examples, which also illustrate the preferred features described above, the following components are used: resin: 2-hydroxyethyl methacrylate homopolymer or copolymer with methyl methacrylate; surfactant: alkyl methyl tauride, a dialkyl sulphosuccinate, poly(oxyethylene)nonylphenyl ether or a polyoxyethylene glycol ester of a fatty acid; crosslinking agent: trimellitic acid, pyromellitic anhydride, or hexamethoxymethylolmelamine; catalyst: p-toluene sulphonic acid, trifluoroacetic acid or HCl. Many other alternatives are listed. The substrates on which these coatings are formed are sheets or panels of glass, polycarbonate or poly(methyl methacrylate).
Patent GB-1291827-A (GB)
Title: Improvements in or relating to temperature measuring apparatus
Inventor: JOHNSTON JAMES STEWART
IPC: G01K3/02
Filed: 1968-10-28
Abstract: 1291827 Measuring mean temperature electrically ROSEMOUNT ENG CO Ltd 22 Oct 1969 [28 Oct 1968] 50985/68 Headings G1N and G1U Apparatus for measuring the mean of the temperatures at two or more points comprises, at each point, a thermistor, R T1-n , having two current terminals 13, 14 and two voltage terminals 15, 16 each thermistor being fed through a different resistance R A1-n  with substantially constant current from a voltage source 10 so that if the thermistors are all at the same temperature the potential drop across each thermistor is the same. The required thermistors are connected by a respective switch SW 1-n  and high resistance R C1-n  to an output terminal 18 and by the common line 19 to a second output terminal 20 across which terminals a meter is connected to indicate the mean temperature of the selected thermistors with respect to a reference temperature set by adjustment of R o . Or a null detector 21 may be provided across the O/P terminals and R o  adjusted for balance when the setting of R o  indicates the mean temperature. The resistances R A1 , R T1 , R B1  with R Ao , R o , R Bo , constitute a Kelvin double bridge circuit with the source and detector inter-changed and resistances R A1 , R B1  are chosen to be sufficiently large so that lead resistances may be neglected. In an alternative embodiment, Fig. 2 each thermistor has a characteristic of the form R t  = R o (1 + At + Bt<SP>2</SP>) where t is temperature, R o  is resistance at a reference temperature, A and B are constants. The thermistors are platinum so that A is positive and B is negative. The thermistors are connected in the feedback loop of an operational amplifier 32, with a reference input 33, which acts to maintain the current constant through each thermistor. It is shown that the output voltage V o  of the amplifier is given by  where V 1  is the input voltage to operational amplifier 32 and R 1  its effective input resistance. R F1  is a feedback resistance from an inverting amplifier 35, of unity gain, connected across the thermistors. R F1  is chosen so that R F1  = R T A<SP>2</SP>/B thus the term in t<SP>2</SP> is eliminated from V o . The linearizing arrangement is as described in patent Specification 1027566 (Division G1) to which reference is made. As before the mean temperature is indicated on a meter 39 as a difference from the datum temperature set by adjustment of R o .
Patent GB-1062879-A (GB)
Title: Process for making crystalline zeolites
IPC: C01B39/02
Filed: 1963-12-24
Abstract: Crystalline aluminosilicates, particularly of the faujasite type, e.g. zeolites X and Y, are obtained in enhanced yield from a reaction mixture out of which more than one aluminosilicate may crystallize by seeding said reaction mixture with crystals obtained from another such reaction mixture before the crystallization of a second aluminosilicate from said other mixture has commenced.  The seeds may be added when part of the mixture is an amorphous gel or they may be added to one or more of the reactants which are used to form reactant mixture and enough seed may be added to saturate that reactant selected as a vehicle for the seed. The preferred reaction mixture has the composition Na2O/SiO2=1.2 to 1.5; SiO2/Al2O3=3 to 5; H2O/Na2O=35 to 60 and whilst the first formed zeolite is zeolite X, the second is zeolite ZK-1, and to give suitable seed further reaction of the mixture is stopped before 30% by weight thereof has crystallized.  The reactants to form the mixture to be seeded are preferably brought together in not more than 5 seconds.  The Specification contains references to zeolites A, X, Y, L, D, R, S, T, Z, E, FQ, B, ZK-1, ZK4 AND ZK-5.  The preparatory details of ZK-4 and ZK-5 are given together with the diffraction pattern of ZK-4.  The hydrogen forms of ZK-4 and ZK-5 are obtained by heating.
Patent GB-1057019-A (GB)
Title: Improvements in or relating to containers
Inventor: SINCLAIR DONALD
IPC: B65D5/49
Filed: 1964-12-17
Abstract: 1,057,019. Cartons. G.K.N. SCREWS & FASTENERS Ltd. Dec. 7, 1965 [Dec. 17, 1964], No. 51319/64. Heading B8P. A carton comprises a base part 10 containing a divider 14, Fig. 2 (not shown), providing compartments 17 and open-topped trays 18, 19, slidable in the compartments between retracted positions in which their open tops are closed by the walls of the base part and extended positions in which the trays project from the base part, the interiors of the trays being accessible through their open tops. The trays, which are triangular in cross-section, have finger tabs 24 and may contain nails, screws &c. The divider 14 has a central sleeve 16 which supports the shaft 27 of, for example, a screwdriver 26, mounted in a cover 11 which slides over the base part 10. A tubular cardboard sleeve, Figs. 3, 4 (not shown), is mounted in the top of the cover 11 and has strips 32, 35 pushed inwardly to support the handle 25a of the screwdriver. The carton is preferably made of cardboard but may be made of a synthetic resinous material similar to that from which the trays are moulded.
Patent GB-1366697-A (GB)
Title: Separation of terephthalic acid
IPC: C07C67/48
Filed: 1971-11-04
Abstract: 1366697 Separation of terephthalic acid from bis - (# - hydroxyethyl)terephthalate TEIJIN Ltd 4 Nov 1971 [4 Nov 1970 9 Nov 1970] 51389/71 Heading C2C Terephthalic acid is separated from its mixtures with bis-(#-hydroxyethyl)terephthalate (BHET), resulting from the reaction of terephthalic acid and ethylene oxide, by forming a suspension of solid terephthalic acid in BHET at 85-180‹ C. which has a content of unreacted ethylene amide of less than 2% based on BHET and a content of an inert organic liquid medium of 1-100% based on BHET and separating solid terephthalic acid from the suspension by known solid/liquid separating means at a temperature of 85‹ to 180‹ C. The inert organic liquid medium, many of which are listed, may be added before or after the reaction to form BHET. In examples the reaction product which either comprises an inert organic liquid medium or has such a medium added subsequent to the reaction is passed to a vessel maintained at a temperature and pressure such that the said medium and unreacted ethylene oxide are vaporized to adjust their concentrations in the mixture to the desired level, the vapours being swept out by an inert gas. The residual suspension after this evaporation is separated into solid terephthalic acid and molten BHET by either filtration or centrifugation.
Patent GB-1212688-A (GB)
Title: Device for reproducing recorded sounds in toys
IPC: A63H3/33
Filed: 1967-11-17
Abstract: 1,212,688. Speed governors. MATTEL Inc. Nov.17, 1967 [Nov.17, 1966] No. 52455/67. Heading G3B. [Also in Divisions F2 and G5] In a device for reproducing recorded sounds in toys (see Division G5), the speed of the mechanism driving the record strip is controlled by a governor means 60, Fig.5, including a spindle 164 carrying a worm gear 174, Figs. 2 and 5, driven by a gear-wheel 186 rotatably mounted on a shaft 86. A pair of weights 176, 178 are connected to a hub 182 on the spindle by U-shaped spring means 180. The gear-wheel 186 is rotated by a helical spring 190 to drive the governor only while a "takeup" drum 68 is rotated in the counter-clockwise direction (in the sense of Fig.3); the helical spring 190 forms a one-way clutch connecting hub 188 of gear-wheel 186 and a hub 76 of the take-up drum. The take-up drum is being rotated at this time by a spring 100, and sounds are being reproduced from the record strip 116. When playback is completed, (the position shown in Figs.3 and 5), the mechanism may be re-wound by pulling on the drawstring 106. During this phase the take-up drum, and hence hub 76, is being rotated in the clockwise direction; in this case the helical spring 190 loosens its grip on hubs 76 and 188, so that gear 186, and hence  governor 60, are not operated. Pads 184 on the weights come into contact with a fixed drum-shaped housing 58 when the spindle 164 reaches a predetermined speed, to act as a brake (see Division F2)
Patent GB-1116779-A (GB)
Title: Gas turbine jet propulsion engine
Inventor: WRIGLEY BRIAN
IPC: F02K1/64
Filed: 1966-11-23
Abstract: 1,116,779. Deflecting propulsive gases. ROLLS-ROYCE Ltd. 23 Nov., 1966, No. 52520/66. Heading B7G. [Also in Division F1] A gas turbine jet propulsion engine comprises a main flow duct in which are disposed compressor means, combustion equipment, turbine means and an exhaust duct, a second annular flow duct which surrounds the main duct and is adapted to receive air under pressure from a rotor stage of the engine, the turbine means being drivingly connected to the rotor stage. Thrust spoiling means are. located in the exhaust duct and are movable between an inoperative position in which the flow of jet gases through the exhaust duct is substantially unaffected, and a thrust spoiling position in which the pressure in the exhaust duct is reduced so as to increase the speed of rotation of the rotor stage. A thrust reverser is provided at the downstream end of the second flow duct. The engine shown comprises a fan 14, a main duct 11 in which are disposed a compressor 15, combustion equipment 15a, turbine 16 and jet pipe 17, and a fan duct 12 surrounding the main duct, the fan supplying air to the main duct and to the fan duct. The downstream end portion 28 of the inner casing 18 is axially movable by means of actuators 29 between the positions shown in. full lines and in broken lines. In the latter position an opening 32 is formed in the duct wall and the turbine exhaust gases discharge laterally through the opening, this being a thrust spoiling arrangement, The pressure downstream of the turbine is thereby reduced so that the speed of the turbine and thus of the fan 14 driven thereby is increased. A thrust reversing device 24 is disposed at the downstream end of the outer casing 19 and is moved from the retracted position shown in full lines to the operative position shown in broken lines by means of actuators 25 simultaneously with the movement of the casing portion 28 to the thrust spoiling position. Thus the flow of air through the fan duct 12 is increased when the thrust reverser is operative so increasing the braking effect.
Patent GB-1187234-A (GB)
Title: Conversion of Acids or Anhydrides to Alcohols
Inventor: PINE LLOYD ALBERT
IPC: C07C29/149
Filed: 1967-11-20
Abstract: 1,187,234. Preparation of alcohols. ESSO RESEARCH & ENG. CO. 20 Nov., 1967, No. 52589/69. Heading C2C. Alcohols are prepared by contacting an organic acid or anhydride with a C 1 -C 6  monohydroxy alcohol in the presence of a molybdenum-containing catalyst in a first reaction stage to produce an esterified product, introducing at least a portion of said esterified product into a second reaction stage where it is contacted with hydrogen in the presence of a molybdenum-containing catalyst to produce an alcohol-product-comprising mixture, separating the alcohol product from such mixture and separating and recycling at least a portion of the C 1 -C 6  monohydroxy alcohol contained in said mixture to the first reaction stage. Examples prepare neo-heptanol.
Patent GB-1492934-A (GB)
Title: Coil packaging
IPC: B65B11/56
Filed: 1973-11-15
Abstract: 1492934 Packaging apparatus BRITISH STEEL CORP 14 Nov 1974 [15 Nov 1973] 52989/73 Heading B8C Coils of steel strip 3 are circumferentially wrapped in a web 2 of a stiff material such as sheet metal, the web being driven by rollers 6, 7 to pass between meshing rollers 11, which corrugate the longitudinal edges of the web, and then to pass round the coil 3 rotating on support rollers 4, 5. The corrugated edges 17 of web 2 axially overhang the coil periphery and are folded radially inwards by successive application of pressure from rollers 20, 21. Edges 17 may enclose end members 18 with resilients coatings 19. Rollers 6, 7 carry spikes 9 and grooves to form a series of perforated conical projections 10 in the web.
Patent GB-1524280-A (GB)
Title: Machine for the shaping of meat dishes
Inventor: BRUSSELLE VICTOR
IPC: A22C7/00
Filed: 1976-12-20
Abstract: 1524280 Patty moulding; reciprocating mould plate device V BRUSSELLE 20 Dec 1976 [23 Dec 1975 9 Nov 1976] 53082/76 Heading B5A A hand operated device for moulding hamburgers meat balls or the like comprises a supply container 7 bolted to a base 1, a pressure plate 50 movable into the container, an apertured mould plate 11 reciprocable on the base to move the aperture from a position within the container to an external ejection position, and and ejection plunger 59 operative to push the moulded article from the aperture in the ejection position. A manually operable control lever 23 is provided to effect synchronized movement of the plate 50, the mould plate 11 and the ejection plunger 59.