baber/WOPTO huggingface dataset:
Patent GB-1188164-A (GB)
Title: A Plant for Continuous Heat Treatment of a Liquid Product
Inventor: PALM BENGT ARNE
IPC: A23L3/22
Filed: 1967-04-20
Abstract: 1,188,164. Heat treating liquids. ALFA-LAVAL A.B. 20 April, 1967 [25 April, 1966], No. 18202/67. Heading A2D. An apparatus for the continuous heat treatment of a liquid product (e.g. pasteurising or sterilizing milk) comprises a heat exchanger 8, 9 for heating the liquid product, heat exchangers 11, 12 and 17, 18 for cooling the liquid product, the sides or sections 8, 11, 17 of the heat exchanger being in a primary circuit for the liquid product and the sides or sections 9, 12, 18 being in a separate secondary circuit for another liquid medium (e.g. water), and a valve 13 for directing liquid product from the section 11 either to section 11 for possible re-circulation, or out of the system via line 15. The sections 12 and 18 are so arranged that liquid medium can flow through one or the other but not both simultaneously. When the liquid product is being heated to the desired temperature and discharged through line 15 liquid medium is flowing through section 12 but not through section 18. When the liquid product is passed through section 17 the liquid medium flows through section 18 but not through section 12. The liquid medium is flowing counter current to the liquid product. Heat exchangers 34, 35 and 36, 37 are provided for respectively heating and cooling the liquid medium. In other embodiments the sections 8, 9, 11, 12 may be divided into 2 parts, and one or two degassing vessels, an expansion cooling chamber, and a steam injecting heating device may be incorporated in the primary circuit.
Patent GB-498293-A (GB)
Title: Improved process for the preparation of porous moulded bodies
IPC: C25B13/06
Filed: 1937-07-01
Abstract: Porous masses, which may be used for filters or electrolytic diaphragms, are obtained from fibrous, granular or powdery synthetic resins by superficial softening of the individual particles, shaping under pressure and terminating the softening influences.  The softening may be effected by treatment with a solvent, which may be substantially saturated with the basic material, or by heating.ALSO:Porous masses are obtained from fibrous granular or powdery synthetic resins by superficial softening of the individual particles, shaping under pressure to yield a porous body, and terminating the softening influences.  The softening may be effected by solvents or by heat.
Patent GB-641964-A (GB)
Title: Improvements in or relating to apparatus and process for treating liquids
IPC: C02F1/52
Filed: 1947-07-10
Abstract: 641,964. Purifying water. INFILCO, Inc. July 10, 1947, No..18269. Convention date, Dec. 8, 1941. [Class 46] Liquid-treating apparatus comprises a tank, one or more inclined passageways in the lower portion of the tank formed by partition means, and leading to an upper chamber above the partition means, where baffles deflect the liquid rising through the passageways inwardly, a central passageway through the partition means together with an impelling device for causing a closed circulation, means for introducing liquid to be treated adjacent the impelling device, means for introducing a precipitating reagent, an upper outlet for treated liquid, and a waste outlet. As shown in Fig. 2, water to be treated enters a cylinder 40 by a pipe 14 and chemical by a pipe 50. These are mixed with slurry remaining from previous treatment by arms 30 on a rotating shaft 25, and the mixture is forced upwards by a propeller 29 over the top of a cylinder 40 and falls within an outer cylinder 42. It then rises under a partition 44 and flows through an annular gap 48, and is caused to move radially inwards above the partition 44 by a peripheral baffle 49. Clarified liquid rises to an outlet weir 16, while slurry formed, together with some of the liquid, flows back into the cylinder 40 through pipes 53, which may be four in number to ensure an excess of slurry over water to be treated. In the form shown in Fig. 4, the inverted conical partition 79 is attached to the lower end of the inner cylinder 75, and the propeller 29 is rotated in a direction to cause downward flow in the cylinder 75. The partition 79 may be replaced by a number of radial tubes of rectangular cross-section, the depth of which diminishes outwardly from the centre. Specifications 501,128 and 527,908 are referred to.
Patent GB-256041-A (GB)
Title: Improvements in or relating to boilers and steam generators
IPC: F22B17/18
Filed: 1925-07-18
Abstract: 256,041. Adamson & Co., Ltd., D., and Parkyn, P. A. W. July 18, 1925. Water-tube boilers. - The heating chamber through which heating medium may be passed in either direction is enclosed by a wall or walls of vertical headers to which the water tubes are connected, the header sides having gastight joints as by being shaped to interlock or accommodate packing. The headers are connected to one or more overhead drums bv downcomers outside the chamber each header being connected at the top to the drum or drums. In the form of boiler shown, the headers 8 each of which accommodate two water tubes 9 abreast, are vertically arranged to enclose a square heating chamber receiving fuel, waste heat gases, &c. at the top, and are respectively connected at their upper and lower ends with steam and water and mud drums 12, 10. Downcomers 11 lead from the upper to the lower drum. Detachable corner plates having inspection doors may connect the header walls. The water tubes 9 are cleaned through doors 23 in the backs of the headers. Superheating tubes may be located within the boiler so as to be heated by the heating medium when at its highest temperature.
Patent GB-292935-A (GB)
Title: Drying chamber for sizing machines and sizing and dressing machines for warp threads
IPC: F26B13/00
Filed: 1928-06-25
Abstract: 292,935. Bonnier, V. June 25, 1927, [Convention date]. Drying materials in long lengths. - A sizing-chamber for thread sizing and dressing machines is provided with central groups C, D of steamheated gilled pipes, upper and lower groups F, E, and air distributors G. The threads formed into sheets X, X<1>, are passed through the space between the central pipes and thence over the lower and upper pipes in succession to the outlet opening in the chamber.
Patent GB-905000-A (GB)
Title: Improvements in and relating to sustained and delayed release oral medicaments
IPC: A61K9/28
Filed: 1961-05-23
Abstract: A sustained and/or delayed release pharmaceutical tablet comprises a solid medicinally active substance, e.g. a solid "drug" or a drug admixed with a solid carrier in admixture with and/or coated with a water-insoluble copolymer of an olefinically unsaturated carboxylic acid monomer (e.g. acrylic acid) cross-linked with from 1 to 2% of a polyalkenyl polyether, e.g. "Carbopol" (Registered Trade Mark) 934. Mixing the polymer and drug and pressing into a tablet (optionally after slugging and grinding) gives a sustained release tablet which may be coated with the polymer to give an enteric tablet with sustained release. Coating a conventional tablet core with the polymer gives an enteric tablet.  Suitable drugs which are preferably an acid or a salt are analgesics, antispasmodics, hypertensive agents, muscle relaxants, ataractics, antibiotics, anticonvulsants, antihistamines, coronary and peripheral vasodilators, fungistatic agents, antinauseants, central nervous system stimulants, parasympathetic inhibitors, antipruritics and phenothiazine compounds, specific examples being: mephentermine sulphate, promazine hydrochloride, potassium phenoxymethyl penicillin, ergotamine tartrate, acetylsalicylic acid, sodium salicylate and aminophylline.
Patent GB-775242-A (GB)
Title: Dialkyl and trialkyl tin derivatives of s-acyl thiomalic acids and processes for producing such derivatives
IPC: C07F7/22
Filed: 1955-06-27
Abstract: Dialkyl and trialkyl tin derivatives of S-acyl thiomalic acids may be used as stabilizers in polyvinyl chloride compositions. The alkyl tin derivative may be added to the resin composition or formed in situ from the alkyl tin hydroxide and S-acyl thiomalic acid during gelling of the resin.  Other additives include lubricants (sodium stearate, octadecenamides) and octyl phthalate.ALSO:The invention comprises dialkyl- and trialkyl tin derivatives of S-acyl-thiomalic acids. These compounds may be of general formula: <FORM:0775242/IV(b)/1> for a trialkyl tin derivative and: <FORM:0775242/IV(b)/2> for a dialkyl tin derivative, in all formul  R representing an alkyl radical containing from 1 to 10 carbon atoms and R1 an aliphatic or aromatic hydrocarbon radical such as methyl, ethyl, propyl, phenyl, tolyl and benzyl.  They may be prepared by reacting alkyl tin halides with neutral alkali-metal salts of the selected S-acyl thiomalic acid, or by reacting the alkyltin hydroxide with the selected S-acyl thiomalic acid.  The products may be used as stabilizers for halogenated vinyl resins (see Group IV (a)).  In an example tributyl tin monochloride is reacted with S-benzoyl thiomalic acid which has been exactly neutralized with caustic soda.  The product is taken up in benzene, the so-formed solution washed with tepid water, the benzene driven off and the resulting bis-(tri-butyl)-tin-S-benzoyl thiomalate dried in vacuo.  Preparation of S-acyl thiomalic acids.-S-acyl thiomalic acids may be prepared as their sodium salts by reacting sodium thiomalate with an acyl, e.g. benzoyl chloride, in the presence of caustic soda.  The free acid may be prepared by the action of hydrochloric acid on the alkali-metal salt.
Patent GB-1201886-A (GB)
Title: Improved hole punch
IPC: B26F1/36
Filed: 1969-04-10
Abstract: 1,201,886. Punching devices. METALLWARENFABRIK HEINRICH SACHS. 10 April, 1969 [10 April, 1968], No. 18579/69. Heading B4B. A hole punch comprises a hand lever 2 pivoted to a base 1 and arranged to actuate three punches, 4, 5, 6 via a pressure rod diaplaceably mounted in the lever and formed in two spaced sections 14, 15, the adjacent ends 16, 17 of the sections being alternatively co-operable with one or other of punches 4, 5 so that, in addition to the punch 6 pairs of holes having alternative spacings may be punched. The rod sections 14, 15 are secured to a stirrup member 25 slidable in a groove formed in the lever, the ends 16, 17 being coupled by a stirrup 8 which serves, via projections 9, 10 on the punches 4, 5, to raise the latter after punching; a second stirrup 13 is provided for raising the punch 6.
Patent GB-878853-A (GB)
Title: Sealing device for valve stems or the like
Inventor: FENNEMA RICHARD
IPC: F16K41/10
Filed: 1959-06-01
Abstract: 878,853. Valves. CRANE CO. June 1, 1959, No. 18585/59. Class 135. [Also in Group XXVI] The operating stem 16 of a gate valve 1 is sealed where it passes out of an opening 22 of a bonnet 18 by a collar 24 having a portion 25 which, in the closed position of the valve, is urged into sealing contact with a shoulder 23 on the stem by a flexible fluid-tight bellows 26, the latter being secured in a fluid-tight manner to the collar 24 and to a second collar 28 sealingly fixed in the opening. The shoulder 23 may be tapered as shown and the portion 25, which may be of hardened material, is correspondingly shaped. The collar 28 may also be provided with a hardened bearing surface 29 and the bellows 26 secured at its ends, such as by welding, to both collars. A spring may be located within the bellows.
Patent GB-729330-A (GB)
Title: Improvements in or relating to web guiding means
IPC: B65H23/32
Filed: 1952-07-24
Abstract: 729,330. Feeding webs. TIMSONS, Ltd., and TIMSON, E. A.. July 20, 1953 [July 24, 1952], No. 18775/52. Class 100 (1). A web-turning bar comprises at least two coaxial cylindrical portions of respectively different diameters between which there is a shoulder, the bar being thereby adapted to effect, and maintain, after diversion, lateral separation of travelling webs, or divided portions of an initially single web, of paper or the like passing around the bar. As shown, the bar comprises portions 1a and 1b of diameters d and D respectively, the. portion 1b being cut away at 4 and 5 to produce a helical shoulder 6. The bar is inclined at 45 degrees to portions 2a and 2b of a slit web 2, such that after passage around the bar the portions 2a and 2b are diverted through an angle of 90 degrees and laterally separated by a distance e. The portions of the bar may be integral or separate non-rotatable portions secured together. Alternatively, the bar may consist of two or more tubular portions rotatable on a common axle or a single tubular portion may be secured on a solid rod constituting another portion. The portions 2a and 2b normally leave the bar in two spaced apart planes, but may be caused to. leave the bar in a common plane by flattening the portion of diameter D at the diametrically opposed sides engaged by the web portions. Several bars may be mounted upon telescopic concentrically mounted tubes as described in Specification 656,009.
Patent GB-1038090-A (GB)
Title: Improvements in or relating to machines organised for applying strip material to workpieces
IPC: A43D43/06
Filed: 1962-05-16
Abstract: 1,038,090. Boots &c. BRITISH UNITED SHOE MACHINERY CO. Ltd. [UNITED SHOE MACHINERY CORPORATION], May 10, 1963 [May 16, 1962], No. 18795/62. Heading A3B. In a machine for applying and attaching an adhesive ribbed strip to a shoe insole of the tlpe described in Specification 936,795 the strip 16 passes around a rotatable heater 40 to condition the adhesive and the strip. The rotatable heater 40 consists of a drum 46 which is free to rotate on a shaft 66 and which is heated by. an electric heater 74 which has two heating elements, one of which is thermostatically controlled. The heater is supplied with current via leads 77, 78, contact rings 80, 82 and brushes 86, 88. The heated drum is enclosed in a case which has a hinged portion 52 which can be opened to wrap the strip around the drum when starting the machine. The drum is surrounded by polished reflector plates 98, 110, 114 to minimise heat losses and to keep the casing cool. The strip is fed from a supply spool 20 (Fig. 2, not shown) through a tensioning device and then around the drum, the strip being prevented from wrapping round itself by a guide finger 118 (Fig. 4, not shown). The strip 16, which consists of a wide portion 16<SP>11</SP> and narrow portion 16<SP>1</SP> stuck together over part of their width then passes to a guide 42 where it is opened out to form a ribbed strip and is then stuck to the insole.
Patent GB-967915-A (GB)
Title: Castor for trolleys, furniture and various carriages
IPC: B60B33/00
Filed: 1963-05-13
Abstract: 967,915. Castors. G. E. L. VAN CAMPO. May 13, 1963, No. 18810/63. Heading A4U. A castor comprises an annular peripheral rolling element 1 having an inwardly directed frusto-conical face 3 with a circular groove 4 and an inner element 5 comprising an annular portion 6 with a frusto-conical face 7 having a circular groove 8 and an arm 9 to receive a swivel pin 12, steel balls 18 or other rolling members being trapped in the annular space 17 formed by the grooves 4, 8 when the two elements are fitted together. The swivel pin has an enlarged head 15 which is secured to the furniture and a projection 11 in the socket engages a groove 14 in the pin. Element 1 may have a rubber tyre.
Patent GB-329202-A (GB)
Title: Improvements in and relating to means for raising vehicle wheels
IPC: B61K5/00
Filed: 1929-06-19
Abstract: 329,202. Aguirrezabal, E. June 19, 1929. Static for vehicles.- An appliance for raising the wheels of vehicles comprises longitudinally displaceable wedging members bearing on the rim of the wheel and adapted to raise the wheel and support it in the raised position. As adapted for raising the wheels of a locomotive, a. pair of oppositely disposed frames 1 having flanges 7 engaging the rail 23 are slidably mounted on each rail of the track and are connected by longitudinal rods 10 and transverse : rods 12. The frames carry rollers 2 adapted to engage the rim of each wheel 24. The longitudinal rods 10 extend between lugs 8 on the frames and have screwed ends engaged by nuts 11 with polygonal shaped sleeves 16 engageable by a spanner so that the nuts when rotated draw the frames together and raise the wheel resting on the rollers. The nuts 11, Fig. 5, are fitted with a ball thrust bearing 25 held in position by a sleeve 13 with an inturned end 14.
Patent GB-146976-A (GB)
Title: Improvements in and relating to nail extracting devices
IPC: B25C11/02
Filed: 1920-07-06
Abstract: 146,976. Danzig, E. July 6, 1920. Nail and tack extractors. -A tool for extracting nails without bending them comprises a rack bar H slidable in a casing G and formed at its lower end with a claw N and enlarged part O. In operation, the claw N is driven under the head of the nail as shown, by strik ing the part O with a hammer, and the nail is then extracted by raising the bar H by means of the pinion J, which is operated by a handle. The parts are constructed so that the nail is beneath the edge K of the foot of the casing, so that the tool can be used on narrow surfaces such as the edges of boards. The cap M is provided on the top of the bar H.
Patent GB-1479878-A (GB)
Title: Heater for large flows of gas at low pressure losses
IPC: F23L15/04
Filed: 1976-05-07
Abstract: 1479878 Gas heating stoves HEAT RESEARCH CORP 7 May 1976 18917/76 Heading F4S In a gas heater in which the gas is heated by one or burners 36, an annular flow space 15 for the gas being heated (e.g. air) is formed between an outer shell 12 and an inner shell 13, the inner shell being fixedly supported (by means not shown) at a position axially spaced from one end of the outer shell (i.e. adjacent either end or anywhere along its length) and being resiliently supported at one or more positions axially remote from the fixed support, by bellows members such as 24, 26 located at either end or (as shown) at both ends of the outer shell. In use the radiant heating zone 35 will vary in axial extent according to the intensity of heating utilized. In the convection zone the burner gases are channelled by a baffle 37 over longitudinal fins 41 projecting inwardly from the wall of the inner shell 13. Fins are also provided on the outer wall surface of the shell 13 and these may be longitudinal (as shown) helical (Figs. 2 and 4) or they may comprise pin fins (Figs. 3 and 5). The wall of the outer shell- 12 may be covered either internally or externally with a heat-insulating refractory material. The heating and heated gases may pass through the apparatus in countercurrent (as shown) or in cocurrent. The respective flow spaces 14 and 15 for the heating and heated gas may operate at substantially similar pressures to reduce wall thickness requirements of the shell 13.
Patent GB-664652-A (GB)
Title: Improvements in or relating to closures for containers for food and the like
IPC: B65D43/02
Filed: 1949-07-19
Abstract: 664,652. Container closures. METAL BOX CO., Ltd., and JACKSON, J. M. July 19, 1950. [July 19, 1949; Oct. 24, 1949] Nos. 10034/49 and 27297/49. Class 125(iii). A side seal closure for containers comprises a crown 12 and flange 13 adhering to which is a plastic gasket 15 which tapers from the flange. The gasket of Fig. 1 is of pear-drop cross-section and is formed by placing the closure opening upwards, squirting plastic around the flange, inverting the closure and, under heat, allowing the plastic to flow under gravity to the pear-drop form. The gasket of Fig. 4 is formed by squirting the plastic around the flange as before but the plastic is allowed to set in that position so that its surface tension produces a gasket of subtantially semicircular cross-section. This closure has an out-turned edge 17 and is applied to a container having a step 20 with which the gasket coacts to form a combined top and side seal. The flange or the crown and flange may be lacquered before the application of the plastic to improve the adherence of the gasket. The closure may comprise a pulpboard top disc and an L-shaped ring flange instead of the integral closure shown.
Patent GB-382594-A (GB)
Title: Improvements in apparatus for conditioning ready-mixed concrete
IPC: B28C5/20
Filed: 1932-07-05
Abstract: 382,594. Mixing concrete. HOFFMANN, E. A., 164, Clymer Street, Reading, Pennsylvania, U.S.A. July 5, 1932, No. 19043. Convention date, July 13, 1931. [Class 86.] Apparatus for conditioning ready-mixed concrete comprises a cylindrical container 18 mounted on a motor chassis and fitted with helical blades 35 set at an obtuse angle with the side of the container whereby rotation in one direction effects a gentle movement of the concrete without rupture of the surface. Rotation in the opposite direction discharges the concrete through a conical aperture 36 fitted with a removable door 36.
Patent GB-1082493-A (GB)
Title: Adhesion of basic materials to polyesters
Inventor: MCINTYRE JAMES ERIC
IPC: C08J5/06
Filed: 1964-05-07
Abstract: The adhesion of basic polymers and copolymers to the surface of synthetic linear polyester fibrous materials, e.g. filaments, fibres and fabrics of polyethylene terephthalate, is improved by heating the polyester material to a temperature above 100 DEG C in contact with a polymeric substance containing a plurality of carboxyl groups and then heating the treated material in contact with the basic polymer or copolymer.  The polymeric substance containing a plurality of carboxyl groups may be a polymer or copolymer of acrylic, methacrylic, crotonic or itaconic acid, in the case of a copolymer the component containing the carboxyl groups preferably comprising at least 10% on a molar basis of the constituents of the polymer.  The carboxyl groups may be produced in the polymer by hydrolysis of ester, nitrile or amide groups. The basic polymer or copolymer may be a copolymer of butadiene, styrene and vinyl pyridine of the type used to improve the adhesion of fibrous materials to natural and synthetic rubbers and may be used in admixture with a resorcinol-formaldehyde resin.ALSO:The adhesion of basic polymers and copolymers to the surface of synthetic linear polyester shaped articles, e.g. films and fabrics of polyethylene terephthalate, is improved by heating the polyester shaped article to a temperature above 100 DEG C in contact with a polymeric substance containing a plurality of carboxyl groups and then heating the treated shaped article in contact with the basic polymer or copolymer.  The polymeric substance containing a plurality of carboxyl groups may be a polymer or copolymer of acrylic, methacrylic, crotonic or itaconic acid, in the case of a copolymer the component containing the carboxyl groups preferably comprising at least 10% on a molar basis of the constituents of the polymer.  The carboxyl groups may be produced in the polymer by hydrolysis of ester, nitrile or amide groups. The basic polymer or copolymer may be a copolymer of butadiene, styrene and vinyl pyridine of the type used to improve the adhesion of fibrous materials to natural and synthetic rubbers and may be used in admixture with a resorcinol-formaldehyde resin.