baber/WOPTO huggingface dataset:
Patent GB-765315-A (GB)
Title: Improvements relating to fastening devices
IPC: F16B39/36
Filed: 1955-02-11
Abstract: 765,315. Stud-and-socket fastenings. DZUS, W. Feb. 11, 1955, No. 4163/55. Class 44. A fastening device comprises a stud member 10 which projects through an aperture in a first part 32 to be fastened and which on rotation engages a second part 15 to be fastened, the stud member being provided with a bearing plate 30 pressed by spring means 31 into contact with the first part, the first part being provided with projecting means 34 to engage the bearing plate to resist relative rotation. The stud member 10 comprises a shank portion 25 having threads 26 at its lower end and with an upper end which is non-circular in cross-section. A handle 29 is attached to the non-circular part of the shank by means of a screw 28 and this handle is provided with a pair of sockets 32<SP>1</SP> which contain coiled springs constituting the spring means 31. The bearing plate 30 which is engaged by the coiled springs is also mounted on the non- circular part of the shank. The threaded end of the shank engages an internally threaded receptacle 11 which is mounted underneath the part 15 which is plate. The receptacle 11 consists of a collar part 19 and a flange part 12, the collar part being mounted by means of a flange 18 in an elliptical opening 17 in the flange part 12 so that it may move transversely. The flange part is fixed by means of elongated holes and rivets 14 to the part 15 so that it may also move transversely but in a direction at right angles to the opening 17. The collar 19 can therefore move laterally in any direction. The collar is made radially expansible and contractable by means of longitudinal slots and a helical spring 21 on the outside of the collar. The means 34 consist of projections on part 32 which engage the side edges of the bearing plate on rotation of the bearing plate. To facilitate the intended rotation of the stud member, recesses (not shown) are provided in the lower surface of the bearing plate adjacent the side edges and located so as to engage with the projections 34. A stud member with fastening means other than a screw-thread may be provided.
Patent GB-913622-A (GB)
Title: Pneumatic return or damping device
IPC: F16F9/02
Filed: 1961-02-03
Abstract: 913,622. Pneumatic springs. BOUGEARD, A. Feb. 3, 1961, No. 4166/61. Addition to 828,572. Class 108(3). A pneumatic damping device of the kind described in the parent Specification and wherein a piston 2, Fig. 1, divides a cylinder 1 into two compartments A, B the compartment A being supplied with compressed gas through a valve in a pipe 19 and the two compartments being joined by a valve-c'ontrolled duct 8 having its upper opening controlled by the two vertical movements of the piston 2 is characterized in that the valve 9 in the duct 8 is replaced by a restriction comprising a diaphragm 10a, Fig. 2, with an orifice 10b. As shown in Fig. 3, a hollow piston rod 3a is provided with an opening 14 which places the lower compartment B in communication with the atmosphere when the piston 2 moves upwards from an intermediate position. Gas leaks in a collection groove 15 in the piston 2 are discharged to atmosphere through an opening 16 communicating with the hollow piston rod 3a. In a modification, Fig. 4, the compartments A, B communicate with each other when the upper orifice 28a of a duct 28 in the piston rod 3 and an upper extension 3b thereof leaves the inlet end of a sleeve 26 which is provided with a packing 27. for sealing engagement with the piston rod extension 3b. Alternatively the upper orifice 28a may communicate, on the outside of the seal 27, with the atmosphere, the sleeve 26 being omitted so that the duct 28 is used to provide connection between the compartments A, B when the orifice 28a descends into the compartment B and also as an exhaust for compartment B when the orifice 28a projects outside the cylinder 1. In this arrangement the piston rod 3 may extend downwardly into the cylinder 1 in which case the piston rod terminates immediately beneath the piston 2, the lower piston rod seal in the cylinder being omitted.
Patent GB-1163244-A (GB)
Title: Laser Surgical Knife Equipment
IPC: H01S3/086
Filed: 1968-01-26
Abstract: 1,163,244. Lasers. BECTON DICKINSON & CO. 26 Jan., 1968 [17 Feb., 1967], No. 4197/68. Heading H1C. [Also in Division G2] A surgical instrument comprises a closed system for conducting light from a laser 12, Fig. 1, to an optical system such as a lens enclosed within a housing 14 so that the beam is focused at a point beyond the housing 14, the closed system comprising a conduit having two interconnected and relatively movable parts 46, 48, one end of which is connected by a pivotal joint to the housing 14 and the other end of which is connected by a pivotal joint to the laser 12, both joints including reflectors so mounted that in all positions of the joints the laser beam is reflected along each part of the conduit in turn and into the optical system in housing 14. As shown, a 45 degree mirror is mounted in an angled portion 52 which can rotate about a horizontal axis in a collar 62 projecting from laser 12, the portion 52 being rotatable about a vertical axis in a conduit portion 50. The two portions 50, 46 are rotatably coupled by a joint 68, the joints 72, 74 and 75 being identical to joint 68. Each such joint is formed by 90 degree cylindrical elbows on each portion, as seen in joint 74, which are rotatable one within the other and are held together by a spring clip, each elbow having a 45 degree mirror therein. Each mirror may be adjustably mounted for initial alignment by means of a resilient pad and spaced bolts, Fig. 8 (not shown), or a part-spherical member rotatably held in a part-spherical socket in the elbow, Fig. 9 (not shown). A joint 70 connecting parts 46, 48, is formed by circular extensions on each part engaging within one another to allow rotation, a mirror at the axis of the joint being fixed to an arm having a pin-and-slot connection with a pair of links pivoted on the parts 46, 48, so that the mirror is always equally inclined to the longitudinal axes of parts 46, 48, in all positions of the joint. In a modification, Fig. 6, the pivotal joint 70 is replaced by a telescopic connection between the parts which allows sliding and rotational movement. The weight of the instrument is taken by a spring member connected between the instrument and the ceiling. The housing 14 carries a control switch for the laser 12 and is provided with an antiseptic covering.
Patent GB-450325-A (GB)
Title: Process for the manufacture of purified germinal gland hormone preparations
Filed: 1935-02-09
Abstract: Specially suitable condensing agents for use in the purification of germinal gland hormone preparations such as the urine of mares, the urine of pregnant women, placenta and other organs according to the process of the parent Specification comprise sulpho carboxylic acids of the general formula <FORM:0450325/IV/1> where R represents any substituted or unsubstituted aliphatic or aromatic radical. Compounds mentioned are sulpho acetic acid, sulpho phthalic acid, sulpho phenyl acetic acid, sulpho toluylic acid, and sulpho benzoic acids.  The preferred compound is m-sulpho benzoic acid.  In carrying out the invention the sulpho carboxylic acid is reacted in the form of its acid chloride with the crude hormone preparation in the presence of a tertiary amine such as pyridine, quinoline or dimethylaniline.  The sulpho carboxylic acid ester having the general formula <FORM:0450325/IV/2> where R<1> is the hormone radical is precipitated in the form of its salt with the tertiary amine by an organic solvent immiscible with water such as benzene, benzine, ether, or petroleum ether.  The unesterified constituents of the hormone preparation remain in solution and may be separated.  In an example a crude oil obtained by the extraction of the urine of male individuals and having an activity of 5 mg. per capon unit is esterified with m-benzoic acid sulphochloride in the presence of pyridine.  The salt of the ester is separated and hydrolyzed to give an oil having an activity of 2 mg. per capon unit.
Patent GB-573216-A (GB)
Title: Improvements in and relating to the production of acetone and butyl alcohol by fermentation processes
IPC: C12P7/28
Filed: 1943-03-17
Abstract: p-Amino phenylalanine is prepared by condensing hippuric acid with p-nitrobenzaldehyde with the aid of acetic anhydride and sodium acetate, recrystallizing the resulting azlactone of a -benzoylamino-p-nitro-cinnamic acid, which is then simultaneously hydrolyzed and reduced by means of red phosphorus in hydriodic acid, to form crude p-amino phenylalanine which is recrystallized from water.  Specifications 572,642, 572,643, 572,664 and 572,763 are referred to.ALSO:Butyl alcohol and acetone are produced by a fermentation process using clostridium acetobutylicum or clostridium butylbutyricum in which 0.0001 to 1 part of p. amino-phenylalanine is added to every 1,000 parts of fermentable carbohydrate.  The addition may be made to a mash consisting of maize meal, maize extracted with sodium bicarbonate solution, dates which may also contain yeast autolysate, or in carrying out the processes described in Specifications 572,642, [Group IV], 572,643, or 572,664.  p. Aminophenylalanine is prepared by condensing hippuric acid with p. nitrobenzaldehyde with the aid of acetic anhydride and sodium acetate, recrystallising the resulting azlactone of a  benzoylamino p-nitrocinnamic acid, which is then simultaneously hydrolysed and reduced by red phosphorus in hydriodic acid to form p. aminophenylalanine which is recrystallised from water.  Specification 572,763 also is referred to.
Patent GB-1161485-A (GB)
Title: Cationic Polymerisation
Inventor: BOULTON JEFFERY JOHN KENDALL
IPC: C08G4/00
Filed: 1965-09-07
Abstract: 1,161,485. Cationic polymerization. B.P. CHEMICALS Ltd. 4 Aug., 1966 [7 Sept., 1965; 13 Jan., 1966; 1 Feb., 1966], Nos. 38126/65, 1586/66 and 4352/66. Headings C3P and C3R. Monomers capable of cationic polymerization are polymerized by using a catalyst of the formula Q <SP>+</SP> [PF 6 ]- where Q <SP>+</SP> is a triarylcarbonium or trialkyloxonium ion. Specified catalysts are triethyloxonium hexafluorophosphate and triphenylmethyl hexafluorophosphate. Suitable monomers are cyclic ethers, e.g. THF, oxetanes, trioxane, 1,3-dioxolane, formals, acetals and N- arylimino compounds such as ethylene-N- phenyliminocarbonate; alkyl vinyl ethers; aromatic vinyl compounds, e.g. styrene and N- vinyl carbazole; and alkenes such as indene. Polymerization is preferably effected under anhydrous conditions and in the absence of chain transfer or terminating agents, e.g. water, alcohols and amines. Copolymerization is included and Example XI described the copolymerization of THF with (1) ethylene-N-phenyliminocarbonate, (2) N-vinyl carbazole, and (3) 1,3-dioxolane.
Patent GB-1531752-A (GB)
Title: Cationic azo dyestuffs based on 3-substituted-imidazo(1,5a)pyridines
IPC: D06P5/28
Filed: 1976-01-27
Abstract: 1531752 Cationicazo dyes based on 3-substituted-imidazo(1,5a)pyridines IMPERIAL CHEMICAL INDUSTRIES Ltd 27 Jan 1976 [3 Feb 1975] 4491/75 Heading C4P Novel cationic dyestuffs devoid of carboxylic and sulphonic acid groups and having the formula (wherein A is an aromatic carbocyclic group or a heterocyclic group which does not form a delocalized cationic dyestuff on quaternization; R is an optionally substituted alkyl, cycloalkyl or aryl group; R' is an optionally substituted alkyl, alkenyl or cycloalkyl group; and X is an anion) are prepared by quaternization of the corresponding dyestuffs not containing R', which are in turn prepared from diazotized amines ANH 2  and 3- substituted-imidazo(1,5a)pyridines. They may be used to dye polymeric textile materials, such as those based on polymers and copolymers of acrylonitrile and of dicyanoethylene and acidmodified polyesters and polyamides.
Patent GB-839594-A (GB)
Title: Improvements in or relating to metal tubular bellows units for insertion in pipelines or ducts
Inventor: HARRIS HERBERT
IPC: F16L27/08
Filed: 1958-02-12
Abstract: 839,594. Making pipe coupling bellows; welding by fusion. BABCOCK & WILCOX Ltd. Feb. 11, 1959 [Feb. 12, 1958], No. 4618/58. Classes 83 (2) and 83 (4). [Also in Group XXVIII] A bellows unit 2, Fig. 1, for insertion in a pipeline or duct includes an austenitic steel tubular bellows 4 having at least at one end of the bellows a ferritic steel annular end piece 10 provided with an austenitic steel annular weld deposit 20, Fig. 2, to which the bellows end is united by an austenitic weld. An austenitic steel sleeve 25 may be fitted within the bellows end piece 8 and bevelled at 26 so as to form, with the bevelled surface 22 of the weld 20 an annular groove for the deposition of further austenitic weld material 28. The duct sections 36, 46 are provided with diametrically opposite hinged means 50, 52 connecting annular flanges 54, 55, 56, 57 and having coaxial hinge pins 58, 59 the axis of which passes through the middle corrugations of the bellows 4. Diametrically opposed limit stops 88, 92 are provided to prevent excessive rotation of one duct in relation to the other duct about the axis of the hinge pins 58, 59.
Patent GB-767595-A (GB)
Title: New anthraquinone vat dyestuffs and process for making them
IPC: C09B5/28
Filed: 1954-02-17
Abstract: The invention comprises linear polyanthrimide-carbazoles which contain at least four anthraquinone nuclei in each of which the -NH- bonds occupy the 1.4-position relatively to one another and at least one acylamino group is present in para position to an -NH- group.  It comprises especially dyes of the formula:- <FORM:0767595/IV(b)/1> in which n represents a whole number greater than 1, and X represents H or acylamino, and in which at least half of the residues <FORM:0767595/IV(b)/2> represent atomic groupings of the formula <FORM:0767595/IV(b)/3> and the remainder represent atomic groupings of the formula <FORM:0767595/IV(b)/4> and in which individual hydrogen atoms may be replaced by substituents.  The dyes are prepared by carbazolisation of the corresponding polyanthrimides, themselves prepared in the usual way from halogen-anthraquinones and aminoanthraquinones.  As carbazolising agent may be used aluminium chloride together with nitrobenzene, sodium chloride, sulphur dioxide, triethylamine, quinoline, acridine, pyridine  -picoline or b g -picoline mixture.  The products may be used as pigments and dye or print cotton, linen, artificial silk, or regenerated cellulose greyolive tints.  In examples 4, 41-diamino-1, 11-dianthrimide (1 mol.), is condensed with 2 mols of each of the following, followed by carbazolisation of the tetranthrimides so obtained:-(1) 4-chloro-1-benzoylaminoanthraquinone, (2) 1-(p-phenylbenzoylamino)-4-chloranthraquinone, (3) 1-(o-chlorbenzoylamino) - 4 - chloranthraquinone, (4) 1-(p-methoxybenzoylamino)-4-chloranthraquinone, (5) 1-acetylamino-4-chloranthraquinone, (6) 1-nicotinylamino -4-chloranthraquinone, (7) 1-(b -naphthoylamino)-4-chloranthraquinone.  Also in examples (8) a tetranthrimide is prepared from 4-amino-1 : 11-41-trianthrimide and 1-benzoylamino-4-chloranthraquinone and carbazolised; (9) a pentanthrimide is prepared from 2 mols 4-amino-41-benzoylamino-1, 11-dianthrimide and 1 mol. 1, 4-dichloranthraquinone and carbazolised; (10) a polyanthrimide prepared by self-condensation of 1-amino-4-chloranthraquinone and acylation with benzoyl chloride is carbazolised.  A dyeing example on cotton is given using the product of (1) above. Specification 703,502 is referred to.
Patent GB-630278-A (GB)
Title: Improvements in or relating to dry-cleaning solvents and additives therefor
IPC: D06L1/04
Filed: 1947-02-19
Abstract: A dry-cleaning solvent has water incorporated therewith by mixing an emulsion of paraffin hydrocarbon and water containing a saturated or unsaturated fatty acid or glyceride thereof and an alkylolamine with the dry-cleaning solvent.  The alkylolamine together with the fatty acid or glyceride thereof serves as an emulsifying agent.  The dry-cleaning solvents specified comprise petroleum spirits such as white spirit, benzene, and halogenated olefines such as trichlorethylene.  The paraffin hydrocarbons may range from light petroleum fractions to petroleum jelly, and white spirit and light spindle oil are exemplified.  The saturated or unsaturated fatty acids include stearic, palmitic, lauric, behenic, oleic and recinoleic acids.  The alkylolamines specified comprise mono-, di- and tri-ethanolamine.  The emulsion may also contain a small proportion of methyl cyclohexanol or pine oil or both; a small proportion of ammonia may also be included.
Patent GB-737810-A (GB)
Title: Improvements in or relating to rotary connections for fluid conduits and the like
Inventor: SHAW HARMON LEE
IPC: F16L39/04
Filed: 1953-02-20
Abstract: 737,810. Stuffing-box substitutes. PERFECTING SERVICE CO. Feb. 20, 1953, No. 4772/53. Class 122 (5). [Also in Group XXVIII] A rotary fitting whereby fluid, such as steam, is conveyed to a rotary drum comprises a housing 8, 9 to which is connected a supply pipe 15, a tube 17 extending into the housing and rotating with the drum, a ring 31 in sealing engagement with the housing and forming a bearing for the tube, and a resilient metal bellows 38 fixed and sealed to rings 35, 40, the ring 40 being sealed to the tube 17 and rotatable therewith and the ring 35 being slidable on the tube, pressed by the bellows against the ring 31 and having a face exposed to fluid pressure within the housing, the bellows tending to collapse under the exterior pressure of the fluid and the relationship between the effective areas of the bellows and the pressure face on the ring being such that the axial load imposed on the ring due to fluid 'pressure will be partially balanced by the tendency of the bellows to collapse under pressure whereby friction between the rings is reduced to the minimum required to effect a sealing contact for a given fluid pressure. The fluid pressure acts directly on a flange 36 of the ring 35 and on the remainder of the left-hand face of the ring through the end of the bellows. A further bearing for the tube 17 comprises a metal sleeve 25a bonded to a sleeve 25b made of an alloy impregnated with graphite and held in position by a ring 26. The ring 31 is made of metal, an alloy impregnated with graphite, or of resin-bonded graphite and is cut away at 29 for the ring 26 and chamfered at 33 so that the area of seal with the ring 36 increases with wear.
Patent GB-1450245-A (GB)
Title: Coke cutting with aid of sensing devices
IPC: C10B41/02
Filed: 1974-02-01
Abstract: 1450245 Controlling coke cutting MARATHON OIL CO 1 Feb 1974 [12 Feb 1973] 04801/74 Heading F4B [Also in Division G1] In a method of cutting coke 11 from the chamber 12 of a delayed coker, the coke falls on to a surface 15 and a sensing device 19, e.g. measuring noise or vibration, associated with said surface is used to determine the size of the coke being cut. As shown the device 19 is a geophone connected to an amplifier 21 and speaker 20 by which the operator can tell the approximate size of the coke particles 14 and raise or lower the travel rate of the cutting nozzle 13. The signal may alternatively be transmitted to an oscilloscope so that in another arrangement (Fig. 2) the signal from a geophone (1) is transmitted through an amplifier (2) to oscilloscopes (3 and 4) responding to higher and lower amplitude pulses used by an analog computer (5) to control automatically the travel rate of the cutter through mechanism (6).
Patent GB-252084-A (GB)
Title: Improvements in or relating to trawl winches and the like
IPC: B66D1/08
Filed: 1925-02-21
Abstract: 252,084. Great Central Co-operative Engineering & Ship Repairing Co., Ltd., and Pringle, J. W. Feb. 21, 1925. Reversing-valves.-In trawl and like winches using two towing warps operated by a pair of cylinders a, b, a control and reversing-valve c of the flat or piston slide type is substituted for the ordinary link motions of the cylinders, and is connected to the valve-chests of the cylinders a, b by pairs of pipes e, f which act as steam and exhaust pipes or vice versa. Specifications 5270/84, 24322/99, 1436/00, 140,409, and 151,394 are referred to.
Patent GB-787981-A (GB)
Title: Improved method and apparatus for forming drinking straws or tubes having printed matter thereon
IPC: B41F17/10
Filed: 1953-02-21
Abstract: 787,981. Drinking straws. HYGIENIC DRINKING STRAWS CO., Ltd., and BURGESS, J. A. Nov. 18, 1954 [Feb. 21, 1953], No. 4916/53. Class 14 (2). Drinking straws displaying printed matter are formed by passing a blank strip through a printer and then through a straw-winding machine. Paper 2 is passed through a feedway 21 to nip between a stereo roller 13 and an adjustable pressure roller 20. The printed strip is then passed over a glue wheel 4 to the winding machine 8. The printer consists of an ink roller 11 geared to the stereo roller 13 through a toothed wheel 14 which is driven by the shaft 5 of the glue wheel through a belt and pulley drive 6 and a clutch. Flow of ink from the reservoir 15 is controlled by a weight 17.
Patent GB-862190-A (GB)
Title: Space heating apparatus
IPC: F23D11/00
Filed: 1958-02-14
Abstract: 862,190. Burners. DRAVO CORPORATION. Feb. 14, 1958 [Feb. 14, 1957]. No. 4931/58. Class 75 (1). [Also in Groups XII and XIII] Space heating apparatus (see Group XIII) includes a burner adapted to burn either liquid or gaseous fuel and supplied with an induced draft of combustion air by maintaining in a combustion chamber. associated with the burner a negative pressure of the order of at least on inch of water. The burner shown comprises annular refractory body 18 carried in a shell 16 at one end of which is an annular metal plate 22 having formed therein combustion air inlet ducts 24 controlled by dampers 25. Combustion air flows from ducts 24 to a chamber 26 formed between the plate 22 and the end of refractory body 18 and thence through swirl plate 37 to the combustion zone. The swirl plate 37 effects mixing of the fuel and combustion air. A fuel gas supply annulus 27 is bolted to plate 22 and carries a plurality of burner tubes 30. Bolted to the annulus 27 is a plate 40 which carries oil supply tube 41, spray tip 42 and electrodes 41a, 41b for igniting the oil (see Figs. 6 and 7). A photo-electric cell may be provided at position. 46 to provide a safety control in the event of flame failure. The plate 40 carries also a gas pilot-burner 43, spark rod 45 and a flame rod 47 to cut off the gas supply if the pilot flame is extinguished (see Figs. 6 and 9). The arrangement is such that the burner may be used as a straight oil burner or a straight gas burner, changeover from one fuel to the other being effected by valves (not shown). Specification, 625,851 is referred to.
Patent GB-114217-A (GB)
Title: Improvements in or relating to the Heat Treatment of Metals and in Apparatus to be Employed therein.
IPC: C21D9/00
Filed: 1917-04-10
Abstract: 114,217. Woodward, Gatty, Saunt, & Co., and Stott, O. April 10, 1917. Resistance furnaces.-Metals are heated for hardening, annealing, &c., by the circulation thereover of hot air or other hot gas, such air or gas being in its circulation brought into contact with electric resistances. Metal plates to be heated are placed on bars c<3> in chambers c separated by perforated horizontal partitions from intermediate chambers across which pass tubes c containing the resistances. The two sets of chambers are open at different pairs of opposite sides, and air is circulated by a fan in an upper compartment b communicating with the two pairs of end spaces.