baber/WOPTO huggingface dataset:
Patent GB-1005892-A (GB)
Title: A fermentation process for the production of purine derivatives
IPC: C12P19/30
Filed: 1963-08-08
Abstract: Purine derivatives of the general formula <FORM:1005892/C2/1> in which R represents -H, <FORM:1005892/C2/2> or <FORM:1005892/C2/3> where n is 1, 2 or 3, X represents = O, -H -OH, or -NH2, and Y represents = O, -OH, or -NH2, but not -NH2 when X is -OH or -NH2, there being one or two further double bonds and one or two hydrogen atoms on the ring nitrogen atoms in the 6-membered ring if there is one or no = O group respectively as a substituent in the 6-membered ring, are prepared by inoculating a microbial mutant, which is resistant to an antimetabolite in purine metabolism, into a culture medium containing an assimilable carbon source and a utilizable nitrogen source, incubating the culture until the purine derivatives are accumulated in the culture broth, and recovering these derivatives from the broth.  Original micro-organisms from which the desired mutants can be induced are those strains whose growth is inhibited by the presence of an antimetabolite in purine metabolism, which strains are widely distributed among bacteria, actinomyates and yeasts.  The mutants resistant to these antimetabolites can be obtained either by treatment of a wild type strain with a mutagen or by selecting a naturally occurring mutant.  The conditions of incubation vary according to the species of the strain used and the constitution of the culture medium. Usually the initial pH of the medium should lie between weakly acid and weakly alkaline, a suitable temperature range being 20-40 DEG  C. The purine derivatives are recovered from the broth by known methods, after a sufficient amount of the desired purine derivatives has been accumulated. This is determined by known methods, e.g. paper electrophoresis, paper partition chromatography, column chromatography, enzymic determination, microbioassay, or measurement at 260 mm . Specifications 930,428 and 959,326 are referred to.
Patent GB-686007-A (GB)
Title: Improvements in or relating to builders scaffold brackets and scaffolds
IPC: E04G5/06
Filed: 1949-12-08
Abstract: 686,007. Window scaffolding. BELL, R. Sept. 4, 1950 [Dec. 8, 1949], No. 31468/49. Class 20(ii) A bracket, for supporting scaffold planks and comprising a horizontal part 23 extending through a window or other opening in a wall and vertical parts 20, 30 extending downwards to engage the inside and outsite of the wall, is provided with an upright 12 having a fork 14 carrying a detachable safety rail. In the modification of Fig. 3 the bracket is in three parts, one part 15 carrying the upright 12 being mounted on the other part 20, 23, 30 by means of a hook 16 engaging one of a series of bars 21 on the latter part and a fork 18 straddling the part 20 and resting on one of a series of stops 22, this arrangement allowing adjustment for different heights of window opening. The part 30 is in the form of an unverted U having a cross-bar 29 engaging one of a set of teeth 27 on the part 23 and has bars 31 having a cross-bar 32 engaging one of a set of teeth 28 on the part 23, this arrangement allowing adjustment for different thicknesses of wall. The part 30 is locked in position by cross-pins 33, 34. In a modification where the part 23 is inserted through a small hole which allows the part 30 to engage the wall both above and below the hole, the parts 31, 32 are omitted.
Patent GB-537116-A (GB)
Title: Lightweight plaster of paris compositions and articles for building purposes
IPC: C04B18/24
Filed: 1939-12-05
Abstract: 537,116. Plaster boards. STRABLE, J. F., and GYPROC PRODUCTS, Ltd. Dec. 5, 1939, No. 31550. [Classes 22 and 70] Lightweight plaster boards are formed by encasing in paper a cementitious substance such as plaster of Paris mixed with comminuted fibrous material consisting of lignified fibres and parenchymatous cellulosic tissue such as occur together in bagasse. The lignified fibres and the cellulosic material may, however, be obtained from independent materials, the former from flaxes and millets, sisal hemp, liquorice root, coir &c. and the latter from algae. An aeration process such as is described in Specification 523,264 may be applied to the material.
Patent GB-1015487-A (GB)
Title: Improvements in or relating to coking retort oven
IPC: C10B21/22
Filed: 1962-08-16
Abstract: 1,015,487. Coke ovens. KOPPERS CO. Inc. Aug. 16, 1962 [Aug. 16, 1961], No. 31560/62. Heading F4B. The heating walls of a horizontal regenerative coffer-type coke oven are divided into flues by vertical partitions, the bottoms of the flues of one wall are connected to the bottoms of the flues of another wall by cross-under passages, and the regenerators communicate with riser passages within the partitions having closely spaced outlets throughout the height of the flues. The heating flues 17 on either side of alternate coking chambers 12 operate in the same direction of gas flow, and are linked by passages 28 under the intermediate chambers 16 with other flues. Riser passages 37 within the partition walls 25 have spaced outlets 26, and alternate passages 37 communicate with regenerators G, A supplying lean gas and air respectively. When rich gas is used, it is fed from headers 31 on the battery roof to passages 33 opening into the top of the flame flues. The combustion gases pass downwardly within the fired flues, upwards through the waste gas flues and down through the riser passages 37 of the waste gas flues to the regenerators. The lean gas regenerators G are made wider than the air regenerators A, each wide regenerator G serving the flues of two adjacent heating walls and each narrow regenerator A serving the flues of a single heating wall. The draught in the flame flues is controlled by adjustable damper bricks at the inlet of the cross-under passages.
Patent GB-952360-A (GB)
Title: Hose supporter retaining means
IPC: A41C1/00
Filed: 1960-09-13
Abstract: 952,360. Foundation garments. FORTUNA FOUNDATIONS Inc. Sept. 13, 1960 [May 31, 1960], No. 31574/60. Heading A3V. A girdle or pantie girdle has secured along its lower edge a first elastic band and a second elastic band which may be integral with the first provided with spaced slits for receiving the hooked portions of detachable suspenders. In Fig. 2, two elastic bands 22, 23 are secured together by continuous upper and medial seams 25, 24 and by interrupted stitching 26 adjacent their bottom edges. The spaces 27 between the stitching lines 26 form channels for the hooked portions 35 of suspenders 21. In a modification the stitching 26 is continuous and spaced slits are provided in the outer band 23.
Patent GB-927861-A (GB)
Title: Improvements in or relating to tipplers
IPC: B65G67/00
Filed: 1959-09-16
Abstract: 927,861. Feeding trucks to and from tipplers. PREPARATION INDUSTRIELLE DES COMBUSTIBLES. Sept. 16, 1959 [Nov. 7, 1958], No. 31614/59. Class 78 (4). A device for feeding uncoupled trucks to and from a tippler engages each truck in turn and drives it, by direct contact, before the tippling position, through the tippling position and from the tippling position. In the arrangement illustrated an endless chain 2 carrying driving catches 3, 4 which engage the front and rear axles of the trucks passes through the tippler. Where the tippler is a rotary tippler the upper run of the chain runs along the axis of the tippler and has joints which permit it to twist, and the other run is disposed outside the cage. The catches 3, 4 are of the type which are automatically retracted in one direction of movement. Both catches may engage a single axle, or a pair of catches may be provided for each axle. The drive to the chains may provide a creep speed.
Patent GB-1322759-A (GB)
Title: Re-usable cover assembly
IPC: H02G15/192
Filed: 1970-06-30
Abstract: 1322759 Joint boxes SIGMAFORM CORP 30 June 1970 [3 July 1969] 31642/70 Heading H2E A re-usable cover assembly for a cable joint, comprises a hollow body 11 having grooved (13) lugs 12 extending inwards and inset 0-rings 19<SP>1</SP>, a pair of end plates 14 having heat shrink sleeve portions 15, and 0-rings 19 and at least one plate having an external diameter less than the internal diameter of the body 11, and threaded end caps 18. The lugs and ridges 16 and 17 of the plates 14 engage the lugs and grooves 12, 13 on assembly and the end caps 18 seal the plates 14 to the body 11 via the 0-rings 19, 19<SP>1</SP>. In use, the cable ends 21, 20 which project from the body 11 surrounding the joint are sealed to the plate 14 by heat shrinking the sleeve portions 15. The cover may be opened by removing the end caps 18, rotating the body 11 disengage lugs 12, 16 and sliding the body over one of the end plates 14. The abutting lugs may be replaced by bars 28, Fig. 6 (not shown), in the form of a split cylinder, or with threaded ends. The body may be a thermosetting resin (e.g. phenolic, polyester, polycarbonate, polysulphone, nylon) and a semi-thermoplastic sealant may be included between the cable and the heat shrink sleeves 15, or 22, Fig. 4 (not shown), or 33, Fig. 6 (not shown).
Patent GB-1166906-A (GB)
Title: A process for Dyeing Shaped Articles made of Aromatic Polyesters
IPC: C09B31/02
Filed: 1967-07-10
Abstract: 1,166,906. Dyeing aromatic polyesters and cellulose acetate. FARBWERK HOECHST A.G. 10 July, 1967 [8 July, 1966], No. 31654/67. Heading D1B. Shaped articles of aromatic polyesters are dyed by applying thereto a coupling component of the general formula wherein the dangling linkages form a naphthalene or oarbazole radical and benzene ring a may be substituted by an alkyl or alkoxy group or a halogen atom, and a primary aromatic amine containing at least one optionally substituted sulphonic acid amide group, or an alkyl sulphonylamino or arylsulphonylamino group linked directly or via an aliphatic radical to the aromatic nucleus, either together or one after the other from an aqueous solution or suspension, the aromatic amine being then diazotised and coupled to the coupling component. Diazo components used are aromatic mono- or diamines of the benzene, naphthalene, azobenzene, azonaphthalene or benzeneazonaphthalene series containing at least one group of the general formula -SO 2 -N(R 1 )R 2  or -NHSO 2 -R 3  in which R 1  and R, are hydrogen, alkyl, hydroxyalkyl, cyanoalkyl, mercaptoalkyl or an aryl group, or R, is a carboxylic acid amide group when R 2  is hydrogen, and R 3  is an alkyl or an aryl group, the group being linked directly or via an alkylene radical to an aromatic nucleus. The polyester may be in the form of combed material, fabrics, filaments, and fibrous materials in the form of bobbins and cross wound bobbins. The dye components are preferably applied at 95 to 140‹C in the presence of one or more solvents e.g. tetrahydronaphthalene, methoxybutyl acetate, and D.M.F. Before diazotisation and coupling the impregnated polyester may be treated with a non-ionic detergent at 80 to 100‹C. A reducing after-treatment may be given at 80‹ to 120‹C. Black and orange shades are obtained.
Patent GB-197980-A (GB)
Title: Improvements in the manufacture of moulded articles more particularly heels and soles for footwear
IPC: C08L1/02
Filed: 1921-11-28
Abstract: 197,980. Hardy, H. H., and McFarlane, L. Nov. 28, 1921. Papier mÔchÚ.-Articles such as soles and heels for footwear are produced by adding to pulped cellulose fibre, such as wood-pulp, a sizing and binding composition and a precipitant, heating the mixture to about 180‹ F., and moulding in a heated mould provided with drain holes to remove excess moisture, the article being finally pressed in the mould. Suitable sizing compositions are sodium resinate with or without an admixture of glue, casein, gelatine, and albumen. Suitable precipitants are aluminium sulphate and zinc chloride. According to an example, 100 lb. of dry wood-pulp is mixed with 400 galls. of water, 5 lb. of scotch glue and 15 lb. of sodium resinate; after heating to 180‹ F. zinc sulphate and a little tannic acid are added and the mixture is moulded. A little formaldehyde may also be added before moulding.
Patent GB-467406-A (GB)
Title: Improvements in and relating to regulators for fluid pressure systems
IPC: B60T15/04
Filed: 1935-11-16
Abstract: 467,406. Fluid-pressure regulators. AVERY, W. L. Nov. 16, 1935, No. 31810. Addition to 426,261. [Class 135] A modification of the regulator for fluid - pressure systems for brakes &c., described in the parent Specification, comprises an admission valve 3 and an exhaust valve 15 which are actuated by a pedal or lever 7 so that when one is closed the other is open and vice versa. The pedal 7 is adapted to act upon a thimble 9 to compress a spring 11 which provides the loading to open the admission valve 3 to admit pressure fluid from an inlet 1 to an outlet 19. The pressure in the outlet 19 acts upon a diaphragm 13 to counter-balance the spring pressure, and the valve 3 thus acts as a pressure regulator. Partly or wholly to relieve the pressure, the pedal is released or partly released and the diaphragm 13 moves upwards against the reduced pressure of spring 11 and contacts with the stem 10 of the exhaust valve 15 to open it to effect the required reduction of pressure.
Patent GB-1012093-A (GB)
Title: Improvements in the treatment of cotton linen and viscose rayon fabrics
Inventor: MILLAR WILLIAM STUART
IPC: D06Q1/08
Filed: 1962-08-20
Abstract: A durable patterned mechanical effect, e.g. schreinering, embossing or pleating, together with high wet crease recovery is imparted to fabrics consisting at least in part of cotton, linen or viscose rayon by impregnating them with an aqueous solution containing a dimethylol triazane having the formula N(R)-CH2-N(CH2OH)-CO-N(CH2OH)-CH2 in which R is an alkyl, alkylene, alkenyl, haloalkyl, haloalkenyl, hydroxyalkyl, carboxyalkyl, cycloaliphatics or aralkyl radical, and an acid catalyst, e.g. hydrochloric acid, partially drying them to a moisture content which is not less than 6% by weight for a cotton or linen fabric and not less than 10% by weight for a viscose rayon fabric, applying the desired mechanical effect, holding the treated fabrics in a smooth condition free from unwanted creases for a period of at least 2 hours at a temperature of 10 DEG -50 DEG C. during which reaction takes place while the fibres are still in a swollen state, washing to remove surplus reactant and catalyst and drying. The radical R may be methyl, ethyl, n-propyl, 2-chloroethyl, 2-bromoethyl, 2, 3-dibromopropyl, 2-bromoallyl, 2-hydroxyethyl, 2-hydroxypropyl, carboxymethyl, cyclohexyl or benzyl and when R is an alkylene radical it may be substituted with another triazane group to form a bis-triazane. The fabric may be heat-treated, for example for 1-5minutes at 150 DEG -90 DEG C., after the lying period and before washing, either with or without further intermediate drying, to impart dry crease recovery as well as wet crease recovery.  After the mechanical treatment the fabric may be wound on a mandrel to form a roll, wrapped in a polythene sheet, held in the crease free condition for at least 2 hours at a temperature of 10 DEG -50 DEG C., washed first with dilute alkali and then with water and dried.
Patent GB-952770-A (GB)
Title: Improvements in and relating to methods of making nodularized copper foil by electrolysis
IPC: H05K3/38
Filed: 1961-09-05
Abstract: An adhesive composed of phenol-formaldehyde condensate and butadiene-acrylonitrile rubber in a ratio of 90:10 and having 100 parts of wood flour admixed is used to bond Cu foil which has been nodularized electrolytically (see Division C7) to a resinous substrate to form a laminate (see Division B5) such as a printed circuit element.ALSO:<PICT:0952770/C3/1> Copper foil, e.g. to be used in laminates (see Division B5) for making printed circuits, is electrolytically nodularized to produce a surface suitable for adhering to a substrate.  Cu foil, e.g. rolled or electrodeposited foil (see below), is exposed as a cathode to a current density of from 50-140 amps./sq. ft. for 5-30 secs. in an aqueous acidic CuSO4 bath containing 15-40 p.p.m. of halogen ion, and from 0.5-1 g./l. of water dispersible proteinaceous material, e.g. animal hide glue, peptone, blood albumin, gelatin, casein or egg albumin.  The halogen ion may be derived from NaCl, KCl, LiCl, NH4Cl or from a bromide, the temperature may be maintained at 70-80  DEG F., a Pb plate may be used as anode and the foil pass through the bath at 7.5 feet/min.  In addition to being nodularized, a foil may be coated with minute particles of Cu coated with copper oxides, these particles being formed as the foil emerges from the nodularizing bath and the extent of oxidation being determined by the current density, chloride ion concentration, rate of withdrawal from the nodularizing bath and the time lapse until washing.  The foil may be treated with corrosion inhibitor such as the Na salt of 1,2-benzotriazole.  The Cu foil to be nodularized may itself be electrodeposited and have a columnar grain structure.  An electrolyte for this comprises CuSO4, 45-55 gs./l. calculated as the metal, 90-110 gs./l. 100% H2SO4, 2-3 p.p.m. proteinaceous material such as animal hide glue, and 2-3 p.p.m. lignin sulphite. The temperature is 108  DEG F. \sB2 DEG , the current density 160 amps./sq. ft. and the bath is vigorously agitated.  The Cu foil may be electrodeposited on a lead-surfaced or hardened chromium-surfaced drum.
Patent GB-1006402-A (GB)
Title: Method and apparatus for laminating sheet materials
IPC: B32B27/00
Filed: 1964-08-05
Abstract: 1,006,402. Laminates and laminating. FMC CORPORATION. Aug. 5, 1964 [Sept. 4, 1963; Nov. 1, 1963; Nov. 29, 1963], No. 31850/64. Heading B5N. Films or sheets 11, 13 of regenerated cellulose or other hydrophilic material such as hydroxy-ethyl cellulose or paper or fabrics, are bonded together by thermoplastic material such as a polyolefin or a vinylidene copolymer, coated on to one or both sheets by applying heat and humidifying at least one sheet, pressing the sheets together, and cooling the laminate or allowing it to cool. As shown, Figs. 1 and 2, coated films of regenerated cellulose are drawn past a shoe 47 containing electric heating elements 57 and containing also a perforated pipe 65 supplied with wet steam direct and through pipes 61, 63 which deliver the steam to the centre and far end of the pipe, all pipes being controlled by adjustable valves 71. The shoe contains a baffle 67 and ports 69 opening into recesses in its operating faces to distribute the humidifying agent uniformly. The heated and moistened webs pass over curved rollers 27, 29, which stretch them laterally, and are pressed together between a heated steel roller 31 and a roller 33 covered with silicone or other rubber. The laminate so formed is passed over a guide roller 87 to chill rollers 37, 39, and around a positively driven roller 41 to a wind-up reel 43. In modifications (a) moist steam is discharged directly on the opposing faces of the webs from a perforated pipe in a space between them, and condensation is prevented by electric heaters distributed within the space, which is above the heated shoe; (b) the webs are first led into opposite sides of a chamber fed with moist steam, and subsequently pass over a heated shoe and between rollers which press them lightly together before passing to the laminating rollers 31, 33; (c) the laminating rollers are arranged in a water bath maintained at above 100‹ C. by a heating jacket, and the coated webs are led separately through the bath, the laminated web being finally humidified in a chamber containing steam jets directed against the travel of the web to remove surface water and adjust the moisture content of the product.
Patent GB-674093-A (GB)
Title: Improvements in or relating to display stands for seed packets and other substantially flat articles
IPC: A47F7/14
Filed: 1949-12-12
Abstract: 674,093. Display stands. WARD, J. B., and CHALK, W. K. C., (trading as TECHNICAL ADVERTISING SERVICE), and MUSGRAVE, H. Dec. 12, 1950. [Dec. 12, 1949] No. 31863/49. Class 52 (iii). A display stand, for seed packets or other flat articles, comprises a tier of troughs, formed by bending a sheet of material, and closed at their ends by separate sheet metal side members flanged at all four edges, the side flanges fitting over the ends of the trough unit and being secured by bolts or rivets. As shown a trough unit 10 is formed from a sheet of aluminum alloy bent transversely to to form a tier of troughs 11, each having a rear wall 12 deeper than its front wall 13, and closed at the ends by side memmbers 21 held in position by bolts or rivets passing through their side flanges and through the front panel 14, and rear wall 12 of the rearmost trough, respectively. The troughs are divided into compartments by hairpin-like wire members 22 each of which forms two division wires passing through holes in the front and rear walls of the troughs and retained in position by bending over the ends of the limbs at the back. The tier of troughs may be set on a counter or detachable legs 31 and an extension member 33 for the hinged strut 26 may be provided so that the unit may stand on the floor.
Patent GB-508176-A (GB)
Title: Improvements in or relating to gear cutting machines and an improved method of operating the same
IPC: B23F23/12
Filed: 1938-11-03
Abstract: 508,176. Gear cutting. AEPPLI, A. Nov. 3, 1938, No. 31881. Convention date, Nov. 9, 1937. [Class 83 (iii)] A gear-cutting machine of the reciprocating rack-cutter type having rolling generating movement between the cutter and the work has means for maintaining a constant temperature difference between the cutter and at least one of the rolling elements so that errors due to the heat expansion of the cutter are eliminated. In one form the cutter 51 is of a length, corresponding to the pitch circumference of the blank so that all the teeth may be generated in a single rolling movement which is controlled by a master gear 40 coaxial with the blank 50 and rolling on a master rack 41. The general operation of the machine is as described in Specification 505,410. In operation the tool 51 becomes heated and becomes longer than the rack 41 and this is compensated by applying heat to the rack 41. For this purpose, the tool and rack are provided with thermometric elements 114, 114<1> respectively, Fig. 2, supplied through lines 115, 115<1> from a source 127. The indicator pointer 117 of a meter 116 is responsive to differences in the current flow in the lines 115, 115<1>. Thus as the tool becomes heated, the resistance of element 114 increases and current in the line 115 is reduced. This causes the pointer 117 to move so that it makes the contacts 118 of an interruptor device. This completes the output circuit 119 and supplies current to a heating coil 122 to raise the temperature of the rack until the resistance of element 114<1> increases to the same extent as that of the element 114. A variable resistance is included at 120 and another, resistance 120<1> may be shunted across the interrupter so that there is a constant heat supply to the element 122 and any additional heat required is regulated by the meter 116. If the rack 41 is too long or too short the required temperature difference to compensate for this may be maintained between the rack and the tool. To supply current to the element 114 a conductor 134, Fig. 3, and spring 123 connect the element to a hook-shaped supply conductor 126<1>. The other side of the supply and of the element 114 are connected to the machine frame. The spring permits reciprocation of the tool without interrupting the current.