baber/WOPTO huggingface dataset:
Patent GB-515822-A (GB)
Title: Improvements relating to trench shelters and the like
IPC: E04H9/12
Filed: 1938-11-02
Abstract: 515,822. Trenches. SMITH, W. H. Nov. 2, 1938. Nos. 31766, 34906 and 36332. [Class 68 (ii)] A trench or shelter is lined by upright preformed wall members which support and are interengaged with separate preformed roof members so that the wall members are held against inward collapse. In the construction shown, the reinforced concrete roof members 9 are formed with piles 10, the ends of which cooperate with lips 13 to engage the upper ends of the wall members 1 which are similarly provided with ribs 3. Both roof and wall members may also be formed with cross ribs 11. The joints between the roof members and the wall members may be in line or may be staggered as shown. The side members may rest upon an in-situ concrete floor 14. Feet may be formed at the lower end of each wall member to project inwards and support precast floor members. The wall members may rest upon foundation slabs which also support the floor. Constructions are shown in which trenches are associated to form a T junction with a manhole exit. A trench end is also shown.
Patent GB-390456-A (GB)
Title: Centrifugal classifying apparatus
IPC: B07B7/08
Filed: 1932-11-10
Abstract: 390,456. Centrifugal classifiers. INTERNATIONAL PRECIPITATION CO., 1016, West 9th Street, Los Angeles, and LISSMAN, M. A., 339, North Rosemead Avenue, Temple, both in California, U.S.A. Nov. 10, 1932, No. 31843. [Class 23.] A centrifugal classifier has a cylindrical part 33, which acts as a cyclone separator, to which the material laden gas is supplied through an annular passage 29 between the external casing 1 and the deflector 23. A return tube 24 is arranged inside the deflector, and a fan 4 is arranged above it. The fan is rotated by a motor 15 and carries on its upper face a distributing disc 3. The fan maintains a circulation of air down the annular passage 29, under the edge of the deflector 23 to the separator 33 ; the continued whirling of the air causes it to travel downwards near the periphery of the chamber and then upwards near the axis to the return tube and the fan. The solids to be classified pass from the hopper 5 to the chamber 7 from which they drop on to the distributing disc 3. They are thrown from this disc to the casing 1, and the impact dislodges the fine material from the coarser particles. These latter particles drop down the wall of the casing 1, and fall through slots in the flanges 35 of the deflector 36. They then pass between the walls 1, 33 to the funnel 50 and collector 52. The fine material is carried by the circulating air to the cyclone separator where the material is separated to drop to the funnel 53 and the collector 55. A funnel 56 may be placed inside the separator, and a fan 58 connected to a pipe 59 under the funnel, for the purpose of withdrawing some air to assist in the maintenance of the flow and thus facilitate separation. The deflector 36 can be raised or lowered by means of screws 39 ; access to the screws is given by openings in the casing normally closed by doors 42<1>. The deflector 23 is of conical form so that the space between it and the casing 1 diminishes downwardly. In a modification air is supplied to the annular passage 29 through a volute, and the clean gas discharges from the pipe 24 through another volute. The volutes are arranged in the reverse manner so that the gas whirls continuously in the same direction, and the walls 24, 33 may have adjustable sleeves at their ends.
Patent GB-821863-A (GB)
Title: Improvements relating to the joining of synthetic plastic materials, such as pipes
Inventor: WILKINSON SAMUEL CLIFFORD WALT
IPC: B29C65/00
Filed: 1956-10-19
Abstract: 821,863. Joining plastic pipes &c. CRANE PACKING Ltd. Oct. 3, 1957 [Oct. 19, 1956], No. 31894/56. Class 99(1). In a method of welding synthetic plastic materials for the purpose of inseparably connecting two elements of such material when one element embraces the other, as in the plugging or jointing of plastic pipes, restraining means are applied around one element which embraces the other and the temperature of the restrained assembly is raised above the transition point of the material if both elements are of the same material, or the lower transition point in the case of different materials, so as to utilise the expansion of the restrained assembly to weld the two elements together. As shown in Fig. 1, a rod 2 of polytetrafluoroethylene slidably fits wtihin a pipe 1 of the same material, the pipe being bound with an openly or closely wound wire coil 3. The assembly is allowed to cool after heating in an oven to a temperature of about 360C. to result in a plugged end of the pipe. Alternatively, the plugged pipe end is obtained by the use of electrically-heated clamping plates. Pipe ends are joined by inserting in the aligned bores of the pipes 9, 10 a tubular liner 11, Fig. 4, of glass or metal, and a metal sleeve 13, or coil of wire is fitted over a sleeve 12 of polytetrafluoroethylene, the assembly being heated to about 360C. and allowed to cool, and the sleeve and liner then being removed ; glass liners are shattered and the broken pieces blown from the pipes by compressed air, and metal liners are removed by the use of a corrosive medium or pushed out from short pipes by a rod. Alternatively, the pipes are joined by clamping the ends of the-pipes in recessed jaws carried by relatively movable blocks incorporating electric resistance heating elements.
Patent GB-908772-A (GB)
Title: Activators for the polymerization of pyrrolidone
IPC: C08J3/09
Filed: 1959-09-18
Abstract: A process for polymerizing pyrrolidone comprises forming a mixture comprising monomeric pyrrolidone, a catalyst selected from alkali metals, pyrrolidone salts of alkali metals, hydrides of alkali metals, alkyls and aryls of alkali metals, hydroxides and oxides of alkali metals and a polymerization activator of the general formula <FORM:0908772/IV(a)/1> where X is phosphorus, sulphur, silicon, aluminium, bismuth, antimony, tin, zirconium or lead; A is halogen, hydrogen or allyl; B is halogen or alkyl; C is halogen, oxygen, alkyl, haloalkyl or phenyl; Y when present is halogen, oxygen, alkyl, haloalkyl, dihaloalkyl, phenyl alkyl, trihalosilyl alkyl, phenyl, halophenyl, dihalophenyl, trihalosilylphenyl, vinyl, halovinyl, allyl or trihalosilyl phenyl and Z when present is halogen, said activator being employed in a range of 0,0001 to 0,075 chemical equivalents of activator based upon one mole of monomeric pyrrolidone and said catalyst being employed in a range of 0,002 to 0,25 chemical equivalents of catalyst based upon one mole of monomeric pyrrolidone, and subjecting said mixture to a temperature of -70 DEG C. to 100 DEG C. until polymerization is complete. Many activators are specified, examples being phosphorus tri- and pentachloride, benzenephosphorus oxydichloride, thionyl chloride, stannic tetrachloride, antimony pentaiodide, tetrachlorosilane, propyl trichlorosilane and bis(trichlorosilyl) ethylene.  The polymerization may be effected by solution, emulsion, suspension or bulk polymerization techniques. The examples describe the polymerization in the presence of (I) and (V) sodium hydride and tetrachlorosilane, (II) sodium hydride and dimethyl dichlorosilane, (III) sodium hydride and chloromethyl methyl dichlorosilane, (IV) sodium hydride and diphenyl dichlorosilane, (VI) sodium hydride and vinyl trichlorosilane, (VII) potassium hydroxide and vinyl trichlorosilane, (XII) sodium hydride and stannic chloride, (XIII) sodium hydride and aluminium chloride, (XIV) sodium hydride and antimony pentachloride, (XV) sodium hydride and titanium tetrachloride, (XVI) antimony pentachloride and potassium or potassium hydroxide, (XVIII) potassium hydroxide and benzene phosphorus dichloride, (XIX) sodium hydride and benzene phosphorus dichloride, (XX) sodium hydride and phosphorus trichloride, (XXI) sodium hydride and phosphorous oxychloride, (XXII) sodium hydride and thionyl chloride and (XXIII) sodium hydride and benzene phosphorus oxydichloride.  The remaining examples describe the bulk dyeing of the polypyrrolidone by boiling with aqueous acidic solutions of Alizarin Blue, specified acids being aqueous acetic and formic acids.
Patent GB-175403-A (GB)
Title: Improvements in and relating to reception of continuous waves in wireless telegraphyand telephony
IPC: H04B1/16
Filed: 1920-11-15
Abstract: 175,403. Macrorie, A. K., and Appleton, W. A. Nov. 15, 1920. Thermionic amplifiers and detectors; heterodyne receiving systems.-Heterodyne receiving-apparatus employing a number of amplifying-valves C, D, E in cascade has a separate valve F for generating the local oscillations, this valve having its grid connected to the grid of one of the amplifiers E, and its plate circuit retro-actively coupled to the grid circuit B of the first valve C. The plate circuit of the valve F is energized by a battery X and potentiometer H, the potential applied to the plate being low so as to reduce the amplitude of the local oscillations to a point of maximum sensitiveness. The battery X as shown serves for heating all the filaments, and the plate circuits of the amplifiers C, D, E are all supplied by a battery Y. The telephone Z is in the plate circuit of the last amplifier E.
Patent GB-437625-A (GB)
Title: Improvements in stoves or heating appliances for domestic or other purposes
IPC: F24C7/00
Filed: 1934-11-10
Abstract: 437,625. Air-heating stoves; imitation fires. THORNTON, J. E., 8, Hill Street, Jersey, Channel Islands. Nov. 10, 1934, No. 32413. Addition to 416,474 and 416,559. [Classes 39 (iii) and 126] A stove casing A comprises two end compartments A' to be used as heating and /or lighting chambers, or, as shown, containing smaller lighting and /or heating chambers D<2>, and a central section which houses a recessed imitation fire consisting of a semi-transparent imitation fire-panel A<1>, a light transmitting reflector B<2> below it, and a reflecting backplate B<3> above it, the plate B<3> being inclined to the panel A<1> at an angle of less than 90‹. Electric heaters A<2> and lamps b<9> with associated reflectors a', or gas or oil heaters and illuminants, may be provided in the chambers D<2>. The latter may be connected at the top by a horizontal tubular part. The reflector B<2> may be silvered or made of highly polished coloured glass through which some light passes onto the floor or hearth-plate below the stove. When oil fuel is used, the reservoir may form the base of the stove. To moisten the air a water-tank may be provided at the back. The casing A may be detachable from the base, or may have side doors. The heating devices in the chambers D<2> may be dispensed with, and an additional air-heating chamber provided behind the imitation fire apparatus. A hot-water radiator may be placed in the rear compartment or between two imitation fire apparatuses. Two, three, or four such apparatuses may be grouped around an airheating chamber. Specifications 405,062 and 424,426 are referred to.
Patent GB-890579-A (GB)
Title: Zirconyl trichloro aluminate
Inventor: GROTE IRVINE WALTER
IPC: C01G25/00
Filed: 1958-10-10
Abstract: Zirconyl trichloro aluminate of formula: <FORM:0890579/III/1> in the form of the heptahydrate is prepared by reacting zirconium oxychloride with hydrochloric acid and a source of aluminium hydroxide.  The aluminium hydroxide may be formed in situ by hydrolysis of an aluminium alcoholate, preferably aluminium isopropoxide or butyl alcoholate.  The gel initially formed is boiled and the resulting solution has a pH of 3,5.  It may be air dried and then dried over calcium chloride in vacuum. According to examples, (1) aluminium isopropoxide was added to dilute hydrochloric acid and boiling zirconium oxychloride octahydrate in aqueous solution was added thereto.  The gel initially formed dissolved on boiling and the solution was filtered and diluted.  (2) Zirconium oxychloride octahydrate was dissolved in water, hydrochloric acid was added and the solution was warmed to 34 DEG  to 40 DEG C. and aluminium isopropoxide added thereto.  The gel formed initially, dissolved on boiling and the solution was filtered hot, cooled and then diluted. The pH of the solution was 3,5; it had a solids content of 19%.ALSO:Zirconyl trichloro aluminate (see Group III) is employed as an anti-perspirant in aqueous or organic solvents solution in concentrations from 1 to 20 grams per 100 ml.  Colouring or perfuming material may be added.  The compound may also be combined with a cosmetic base such as gum tragacanth, petrolatum, glyceryl monoesters, such as glyceryl monolaurate or glyceryl monostearate.
Patent GB-534007-A (GB)
Title: Improvements in or relating to hosiery and a method of manufacture
IPC: D04B1/26
Filed: 1939-12-18
Abstract: 534,007. Knitting. ALLEN, J. M. Dec. 18, 1939, No. 32447. Convention date, Dec. 27, 1938. [Class 74 (iii)) The leg part of a sock &c. is fabricated of diamond-shaped gussets, 2, 4, 6, 8, 9, 10, 11, 12, 13, 14 and 15, inter-knit as shown by dividing the needles of a circular or other knitting-machine into four groups and knitting by reciprocation on each two groups in turn. To avoid distortion of the fabric, the narrowing lines are kept parallel. The wales may be parallel throughout the leg or not.
Patent GB-841906-A (GB)
Title: Method for removing lactonitrile from aqueous media
IPC: C07C45/51
Filed: 1957-10-17
Abstract: Lactonitrile is removed from aqueous media containing it (e.g obtained by the aqueous scrubbing of acrylonitrile and fractionation to recover acrylonitrile) by decomposing the lactonitrile to HCN and acetaldehyde under alkaline conditions at an elevated temperature, removing the decomposition products substantially as rapidly as they are formed, and passing their vapours into an aqueous acid medium having a pH of 3/m12 or lower to retard their recombination.  The decomposition of the lactonitrile is preferably carried out at a temperature from 100 DEG  to 300 DEG F., more preferably above the boiling point of the lactonitrile mixture.  The decomposition may be effected in a column, the decomposition products being passed to a condenser maintained below 150 DEG F., part of the vapours condensing and being used as a reflux liquid.
Patent GB-224115-A (GB)
Title: Improvements in or in connection with cartons and wrappers therefor
IPC: B65D65/12
Filed: 1923-12-29
Abstract: 224,115. Field, E. M. Dec. 29, 1923. Wrappers. - A wrapper for enclosing a carton is formed from a paper blank having three main panels 2, 5, 10 provided with separate side wings, the central wing 8 being gummed for sealing the package, and is weakened by perforations or like along lines 6, 7 coinciding with the edges of the lid of the carton so that on pulling a tongue on the lid which protrudes through a slot 9 in the wrapper, the wrapper is readily severed to give access to the contents of the carton.
Patent GB-332840-A (GB)
Title: Process for the manufacture of stable supersaturated calcium gluconate solutions
IPC: A61K33/06
Filed: 1929-10-25
Abstract: 332,840. Chemische Fabrik vorm- Sandoz. Oct. 29, 1928, [Convention date]. Addition to 314,460. Medicines for internal use.-Stable supersaturated solutions of calcium gluconate containing also some other therapeutic substance are prepared in the manner described in the parent Specification for treating calcium gluconate alone. A hot concentrated solution of the two substances is introduced into an ampoule or other container, hermetically sealed therein, and then heated once or several times until on standing crystallization no longer takes place. According to various specific examples the heating may be to temperatures varying between 50‹ and 90‹ C., the calcium gluconate may be used as a 10 per cent solution, and the additional substances specified are sodium chloride, sodium salicylate, gluconates of strontium, cadmium, nickel, and iron, tartar emetic, codeine hydrochloride, quinine hydrochloride, caffeine, cotarnine hydrochloride, caffeine-sodium salicylate, methylene blue, Trypan blue, 2-ethoxy-6.9 diamino acridinum lactate, the methyl sulphonic acid salt of p-aminobenzoic acid-diethylamineleucinolester, (prepared according to the process of Specification 200,810), [Class 2 (iii), Dyes &c.]), hexamethylenetetramine, glycerine, gelatine, and glucose. The Specification refers also to numerous other substances to be added to the calcium gluconate, including various compounds of the alkali, alkaline earth, and heavy metals, alkaloids, glucosides, dyestuffs, thyroxine, camphor, sterols and various synthetic antipyretics and anµsthetics.
Patent GB-1443165-A (GB)
Title: Line marking vehicle
IPC: E01C23/20
Filed: 1973-07-09
Abstract: 1443165 Controlling motor vehicles SAKAI CHEMICAL INDUSTRY CO Ltd 9 July 1973 [26 July 1972] 32495/73 Heading B7H [Also in Divisions E1 and F2] A road line marking vehicle includes on its front a horizontally extensible and retractible lazy tongs 11 having a pointer 12 for following a guide line on the road. The lazy tongs may be operable by a motor driven screw-and-nut arrangement as shown or by an hydraulic piston and cylinder or by a solenoid. The device may include two parallel lazy tongs interconnected by rods 11c. Two of the vertically spaced pairs of rods may each mount a pair of pointers 12. The pointers are mounted via plates 25 on plates 24 having two slots each engaging respective rods 11c. The plates 24 are biased downwardly by springs 26.
Patent GB-521156-A (GB)
Title: Improvements relating to supports for curtain rods, rails and the like
IPC: A47H1/122
Filed: 1938-11-09
Abstract: 521,156. Curtain rod and blind roller brackets. DOORN, O. VAN. Nov. 9, 1938, No. 32518. Convention date, Nov. 10, 1937. [Class 52 (v) ] [Also in Group X] A support for curtain rods &c. comprises a screw 1 having an integral head 2 extended in the form of a stem and carrying a slidable sleeve 3 with an integral holding member 5 for the curtain rod &c., the sleeve having means such as a set screw 4 for fixing it'in the desired position. The stem and sleeve are of square cross section and the sleeve has square holes 8 in opposite side walls :so that it can be applied transversely to the stem. The holes 8 may be provided in both pairs of opposite side walls. As shown the holding member comprises a resilient hook for curtain rods; for blind rollers an eye may be provided in the sleeve.
Patent GB-1343544-A (GB)
Title: Heat treatment of a milk product
IPC: A23C3/037
Filed: 1972-07-12
Abstract: 1343544 Milk treatment ALFA LAVAL AB 12 July 1972 [12 July 1971] 32564/72 Heading A2D A treatment of milk to improve its durability, comprises on the one hand heating the milk at 65 to 80‹C for a period of time of 10 to 40 secs., and on the other hand heating for a brief period of time at 85 to 125‹C followed by immediate cooling, the total duration of these treatments being sufficient to produce a negative reaction in a subsequent phosphatase test of the milk product. The milk may be heated first at the lower and then at the higher temperature. The treatment may be continuous.
Patent GB-298802-A (GB)
Title: Improvements in or relating to the curing of raw meats, such as hams, bacons, fish and the like
IPC: A23B4/02
Filed: 1927-12-02
Abstract: 298,802. Heriot, M. M. Dec. 2, 1927. Preserving meat.-Raw meats, such as hams and bacon, and fish are preserved by treatment with a curing liquid in a hermetically sealed chamber, and are subjected during the treatment alternately to the action of vacuum and pressure automatically controlled by pressure-responsive regulating mechanism operated on the attainment of predetermined limits of pressure. In the construction described, the meat is inserted through a door 3 into the chamber 1 where it is supported on wire mesh or other liquid permeable trays 5 slidably carried by angle irons 4. The chamber is connected by a pipe 10 to a combined pressure and vacuum pump 11, operated by an electric motor, and by pipes 14, 17, each of which .has a cock 15, 18 and a combined spring valve 16<a>, 19<a>, and ball float valve 16<b>, 19<b>, to the brine tank. In operation, the chamber 1 is first evacuated by pump 11, the vacuum being maintained for about half an hour so that blood &c. is drawn off the meat and is removed through sump 6, valve 7, trap 9 and valve 8. The cock 15 is then opened and brine enters the chamber until the supply is cut off by means of ball valve 16<b>. Float valve 19<b> is meanwhile open but exit of the brine is cut off by spring valve 19<a>. A gauge 12 is then connected electrically, by closing switch 13, to the pump 11. The vacuum in the chamber rises until a predetermined maximum point is reached, when a contact 12<a> on the gauge is closed, causing the action of pump 11 to be reversed and to pump air into the chamber, forcing the brine to permeate the meat. When the pressure reaches a predetermined limit, spring valve 19<a> is opened and the brine is forced through pipe 17 back to the tank until the outlet is closed by fall of ball valve 19<b>. The pressure in the chamber rises still further until a maximum point is reached when a contact 12<b> on the gauge 12 is closed, causing the action of pump 11 to be reversed and evacuation begun. The vacuum draws some brine out of the meat. At a predetermined point the spring valve 16<a> is released by the vacuum and briue enters the tank and the cycle of operations is begun again and may be repeated as often as desired. In place of the combined vacuum and pressure pump 11, separate vacuum and pressure pumps may be employed. The process allows the time of curing to be shortened, for example to 60 hours in the case of ham and bacon.