baber/WOPTO huggingface dataset:
Patent GB-272255-A (GB)
Title: An improved internal combustion rotary engine
IPC: F02B53/00
Filed: 1927-06-07
Abstract: 272,255. Demuynck, A. June 5, 1926, [Convention date]. Movable-abutment type; working-fluid supply; packing drums and vanes.-In a rotary internalcombustion engine which comprises a rotor 1 with vanes 3 co-operating with a rotary abutment member 4, cylindrical segments 8 are mounted on the rotor 1 with a small radial and tangential play so that the abutment member 4 by reason of greater peripheral speed forces them against the bases of the rotor vanes. The abutment 4, rotor 1 and a rotary sleeve valve 14, through which mixture is supplied from a separate compressor are driven at the same speed. The rotary sleeve valve 14 is also given a small reciprocating motion by means of a fixed pin fitting in an oblique groove in the valve. An odd number of engine units may be assembled together properly located by rings 21 fitting in corresponding grooves. A cooling jacket is provided, the heated water passing upwards by passages 16<1>, 7. 16<11> to the outlet 17 to the radiator. The comparatively slow circulation in the chamber 16<111> maintains the valve casing at a uniform temperature so that jamming due to unequal expansion is prevented.
Patent GB-593335-A (GB)
Title: Hinge and method of producing the same
IPC: B22C9/06
Filed: 1945-06-15
Abstract: 593,335. Injection-moulding of hinged articles. PLASCO, Ltd. (Crown Fastener Corporation). June 15, 1945, No. 15238. [Class 87 (ii)] [Also in Group XXII] In making hinges by die-casting a pair of butts simultaneously, a butt having sockets is cast and, at the next operation, a mating butt and pintle is cast tnereon. The dies 10 are shaped to produce a butt 14 having sockets 16, the holes in which are formed by a core bar 27, and a butt 12 with a pintle 24 passing through the holes in the bearings. of a previously cast butt 14A which is clamped in corresponding recesses 28 in the die. After casting, the dies are opened leaving the casting supported by the bar 27 which is then moved down to position the butt 14 opposite the recesses 28. The dies are then partially closed and the bar 27 is stripped and reinserted in the position shown ready for the next injecting of casting material The die parts are aligned by projections 29 which form the countersunk apertures in the butts being cast and a pin 31 which engages a previously formed aperture in the butt 14A. In a modification the butts are cast with their bearings co-axial, the core bar 40, Fig. 4, being extended to engage a part of the gate 35 at 41 and being advanced axially when the dies are opened. In either modification bearing inserts 26 may be arranged on the core-bar.
Patent GB-116214-A (GB)
Title: Improvement in or relating to Machinery or Apparatus employed for Drying Hanks or Warps of Yarn, Woven or Felted Fabrics, Leather and Fibrous Materials.
Inventor: OGLE THOMAS
IPC: F26B13/00
Filed: 1917-10-22
Abstract: 116,214. Ogle, T. Oct. 22, 1917. Endless-band conveyers, articles carried by.- Relates to apparatus for drying hanks, fabrics, leather, fibrous material, &c., in which the goods are carried on travelling chains through a chamber having adjacent chambers tor heating air which is circulated by fans. According to the present invention, the air is caused to traverse the drying- chamber transversely and obliquely upwards or downwards. The drying-chamber 1 receives air from the lateral heating-chambers 7 through a series of slots 12, 13 in the walls 10, 11. These slots are arranged in groups alternately at upper and lower levels, the upper slots on one side being opposite the lower ones on the other. The air is circulated by fans 8 in the chambers 7 which are provided with heating-coils 9. The hanks 6 &c. are carried by travelling chains 5. The drying-chamber is open at one end and an exhaust fan is fitted at the other end.
Patent GB-770131-A (GB)
Title: Improvements in or relating to the bending of glass
IPC: C03B23/027
Filed: 1955-05-27
Abstract: 770,131. Bending glass sheets. PITTSBURGH PLATE GLASS CO. May 27, 1955 [June 21, 1954], No. 15351/55. Class 56 Comprises several arrangements of sectionalized moulds for forming compound curvatures in glass sheets wherein the central portion of the heated sheet sags into contact with the upper surface of the centre portion of the mould and the end portions of the sheet are raised by movement of the wing portions of the mould. In Fig. 3 the sheet G is supported across the 1 ends of the counterweighted wings 34 which are pivoted about pivots 44 traversing the mould in a plane perpendicular to the longitudinal axis of the mould thereby imparting a cylindrical bend to the sheet. In Fig. 5 the sheet is supported along the line 17 of the wings and at the extremities 72 of the central part. The hinges 54 in this case are in a plane other than perpendicular to the longitudinal axis of the mould. The distance L should be at least 15 times that of H, and H (the distance between the bottom of the sheet and the lowest point on the surface of the centre portion 32) should be less than. half, and preferably less than quarter, of the depth of the completed bend. In Fig. 8 intermediate support is given to the sheet by ceramic rollers 70 or other, refractory, sup-  ports carried on outriggers 76 on the wings 34. In Fig. 12 each wing portion comprises two sections, one, 124, being hinged at 128 and the other, 140, being hinged at 138.
Patent GB-729002-A (GB)
Title: Process for the production of copolymers
IPC: C08F220/44
Filed: 1953-06-04
Abstract: Acrylonitrile is copolymerized with an amide of an alpha, beta-monocarboxylic acid in an aqueous polymerization medium containing a water-soluble tertiary alcohol, such as tert.-butyl alcohol, the concentration of the alcohol in the polymerization medium being between the minimum concentration which will dissolve the initial monomer mixture and 60 per cent by volume of the medium. Unsaturated amides specified are N-methyl, N-ethyl, N-propyl, N-butyl, N-tert.-butyl, N-tert.-amyl, N - octyl, N - phenyl, N - (dimethyl - phenyl-carbinyl), N - cyclopentyl, and N - cyclohexyl acrylamides and methacrylamides, N-tert.-butyl, N-tert.-amyl, and N-cyclopentyl crotonamides, and N-tert.-butyl, N-cyclopentyl, and N-cyclohexyl cinnamamides.  Polymerization may be carried out in the presence of catalysts such as benzoyl peroxide, and ammonium and potassium persulphates which may be activated by sodium metabisulphite and iron salts.  The copolymers may be employed in the production of fibres and films. Specification 694,911 is referred to.
Patent GB-1036436-A (GB)
Title: Triphenylmethane dyes
Inventor: GREENWOOD HARRY STANLEY
IPC: C09B69/06
Filed: 1962-04-24
Abstract: The invention comprises dyes of the formula R+X- where R+ is the cation of Malachite Green or Brilliant Green and X- is the anion of a benzene or alkyl-benzene sulphonic acid which may be further substituted by an amino group which may carry one or two alkyl groups of 1 to 6 carbon atoms.  The dyes are made by reacting a water-soluble salt of Malachite Green or Brilliant Green in aqueous solution with an appropriate sulphonic acid or water-soluble ammonium or alkali-metal salt thereof at a temperature not greater than about 20 DEG C.  Sulphonic acids specified are benzene mono-sulphonic acid, toluene sulphonic acids, xylene sulphonic acids, sulphanilic acid, orthanilic acid, metanilic acid, dimethylaminobenzene sulphonic acids, and diethylaminobenzene sulphonic acids.  The dyes colour inks.
Patent GB-253942-A (GB)
Title: Improvements relating to thermo-electric generators
IPC: H01L35/00
Filed: 1926-06-21
Abstract: 253,942. British Thomson-Houston Co., Ltd., (Assignees of Adams, N. H.). June 22, 1925, [Convention date]. Addition to 250,188. Thermo-electric batteries.-The cooling means or radiator for the thermo-electric generator forming the subject-matter of the parent Specification is built up in sections each of which consists of a number of metal plates 10, Fig. 4, riveted together along one side. Plates 14, 15 are riveted to each radiator and extend slightly beyond the radiator as shown in Fig. 3, and plates 16 co-operate with the extensions of the plates 11. 15 and are engaged by a screw 17 whereby the distance between the sections of the radiator and the thermal contact between the radiator and thermopile can be adjusted. Each plate 14 closes one end of a slot 12 in each plate 10 thus forming a pocket in which the thermopile rests. Mica strips are used for insulating the thermopile from the radiator, the strips which insulate the top and bottom plates of the thermopile fitting in slots 19 in plates 10. The plates 10 are provided with two further slots 11, 13, the former receiving insulating blocks 22, Fig. 2, through which passes a conductor 23 to which flexible leads 30 from the upper ends of the thermopile are attached. The piles are thus connected in series. A similar conductor 32 is arranged at the bottom of the apparatus and is connected by a conductor 34 to one of the thermopiles. The conductor 32 and the lower end of the second thermopile are connected to a socket 35 which receives a plug 36. from which current produced by the thermopiles is taken. Screws 38 pass through the conductors 23, 32 and bear against insulating blocks 39 on the upper and lower surfaces of the piles, thus clamping the whole together. The thermopiles are heated by an electric heater consisting of a wire wound on an insulating core provided at each end with a metal ferrule having a lug 43 the upper one of which is connected to a conductor 53 as shown in Fig. 3. These conductors terminate in a split insulating member 51 adapted to receive a plug connected to a source of current. The member 51 also supports the thermopiles within an outer perforated cage.
Patent GB-761766-A (GB)
Title: Improvements in or relating to treatment of irradiated substances
Inventor: CHARLESBY ARTHUR
IPC: B29C71/04
Filed: 1953-06-06
Abstract: Substances of high molecular weight characterized by a structure of chains consisting largely or wholly of carbon atoms and which have been subjected to the action of ionizing radiation, particularly in a thermal nuclear reactor, in amount of at least 1016 thermal neutrons per square centimetre, or the equivalent, are treated to remove or to reduce the amount of substances of relatively low molecular weight, preferably by heating at low pressure or by solvent extraction.  The substances treated may be those referred to in Specification 732,047, viz. polythene, polystyrene, polyvinyl chloride, nylon, neoprene, polyvinyl acetate, polyvinyl alcohol and polymethyl methacrylate.ALSO:Paraffin wax subjected to ionizing radiation by the process of Specification 732,047 is treated to remove or to reduce the amount of substances of relatively low molecular weight, preferably by heating at low pressure or by solvent extraction.ALSO:Rubber, smoked rubber or guttapercha subjected to ionising radiation by the process of Specification 732,047 is treated to remove or to reduce the amount of substances of relatively low molecular weight, preferably by heating at low pressure or by solvent extraction.
Patent GB-333639-A (GB)
Title: Improved method of manufacturing electric primary cells for pocket lamp and the like batteries
IPC: H01M6/08
Filed: 1929-05-21
Abstract: 333,639. Hasse, W. May 21, 1929. Electrodes; cells. - A battery de.. polarizer is made by pressing a wet mixture of pyrolusite, soot, graphite, and a binding - medium into a block and then pulverizing the latter. Additional graphite may be added to the powderedm&terial and the whole pressed round a carbon electrode. The latter with the depolarizer is then immersed in a conductive colloidal solution to harden the depolarizer and render a wrapping of cloth unnecessary. Strips of insulating material are then fixed on the exterior of the electrode to separate it from the zinc container. Fig. 3 shows the finished electrode which is placed in the zinc container which is filled with electrolyte and heated to boiling. When cool, the cells are placed in a container 1 which stands in a second container 4 filled with an impregnating liquid. The containers and cells are enclosed in a chamber 3 from which the air is exhausted so that on opening a cock 7 air rushes in and forces the impregnating liquid in the container 4 into the cells 2 and saturates them.
Patent GB-690051-A (GB)
Title: Method of and device for decorticating bast fibre material
IPC: D01B1/14
Filed: 1950-06-23
Abstract: 690,051. Decorticating bast fibres. NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TEN BEHOEVE VAN NIJVERHEID HANDEL EN VERKEER. June 23, 1950 [July 27, 1949], No. 15780/50. Class 120(i) Bast fibre material is decorticated by leading it through at least one set of knives comprising a pair of stripping knives and a beating knife co-operating with them, the knives effecting periodical relative movement substantially perpendicular to the plane in which the material is spread, so that during that part of the movement of the knives in which they overlap each other the material is submitted to an elastic pressure between the opposing flanks of the knives. As shown, Fig. 14, dried flax straw 1 is fed by a spreading device 41 to a conveyer comprising upper and lower belts 2, 3. The root ends pass through a breaking device 42; the upper parts are combed by combs on an endless chain 43, and by finer combs on a second chain 45, which align the stems perpendicularly to the knives of a decorticating unit 44, arranged at an acute angle to the direction of movement of the conveyer. The decorticated stems are subjected to a combing or brushing treatment at 46 and are then forwarded by a second conveyer 47 for the lower ends of the stems to be similarly decorticated. Each decorticator comprises beating knives 4, stripping knives 6, and accumulating knives 7. Knives 7 descend in advance of knives 4 to draw a length of stem between each pair of stripping knives, Fig. 2. Knives 7 then retract and knives 4 descend to force the slack portions of the stem between the pairs of knives 5, 6, .Fig. 4. The flanks of knives 4 are resilient, or knives 5, 6 are resiliently mounted, so that the stem is clamped and bent between the beating and stripping knives. The resilience of knives 5, 6 may be controllable. Owing to the inclination of unit 44 to conveyer 2, 3, there is relative movement of the stem and knives, longitudinally of the stem, as the knife movements are repeated during the treatment, so that each portion of stem is bent first in one direction, then in the other, to break up the woody core without subjecting the fibres of the stem to substantial tension. Knives 7, instead of being positively moved, may be spring-mounted below the level of the tops of knives 5, 6, or may be spring -mounted on knives 4.
Patent GB-1007034-A (GB)
Title: Process for the enzymatic treatment of plant tissues and the products obtained by the process
IPC: A23L7/10
Filed: 1962-04-25
Abstract: Substances of value in plant nutrition are released from plant tissues, exemplified by bran and other cereal offals, by a procedure involving action of a pectinolytic enzyme on the plant tissue, e.g. 5 parts of water to 1 part of ground tissue, filtering the liquid from the residue, further separating the filtrate to a residue and a supernatant liquid rich in active substances, and treating a further batch of the plant tissue with this supernatant liquid.  The treatment in liquid with pectinolytic enzyme is for 1 1/2 -2 hours at pH 6-7 and at 20-35 DEG  C. In plant treatment, for absorption by the roots or leaves, the active substances may be combined with glycogen, carbon, graphite, lignite. Specification 930,571 is referred to.
Patent GB-544929-A (GB)
Title: Improvements in a method and apparatus for wrapping annular objects
IPC: B65B25/24
Filed: 1940-10-31
Abstract: 544,929. Packeting by wrapping-up. UNITED STATES RUBBER CO. Oct. 31, 1940, No. 15938. Convention date, Nov. 24, 1939. [Class 94 (i)] A machine for wrapping an annular article, such as a tyre cover, comprises means for pleating a sheet of wrapping material, means for applying the pleated material around the inner circumference of the article, and means for guiding. the material around the transverse contour of the article. A tyre 20, Fig. 7, is held between upper and lower belts which are so driven as to rotate the tyre in a clockwise direction. As the tyre is rotated, it is wrapped with material, such as paper, which is drawn from a roll 26 situated within the inner circumference of the tyre. After the paper strip 25 leaves the roll 26, it passes through mechanism which forms transverse pleats 29 and it is then wrapped around the tyre by means of groups of fingers 40, 41 that gradually unfold the pleats and smooth the paper over the walls of the tyre. A pair of shoes 43 folds the paper over the tread of the tyre, and the overlapping edges of the paper are secured to one another by an adhesive strip of paper 33 applied by means of a roller 44. The pleating mechanism consists of a blade 151, Fig. 6, which is reciprocated at right angles to the plane of the strip 25. The strip is drawn forward by feed rollers 35, and as it approaches the rollers it passes over a bar 148 and is thrust, by the blade 151, into a groove 149 between the bar and a number of cleats 150. The paper is formed into a loop which is retained by the cleats until it is engaged and moved forwards by a reciprocating plate 152. A pleat 29 is thus formed in the strip 25, and as the pleats are formed they move towards the feed rollers 35 which are rotated intermittently to move the pleated paper towards a roller 36 that applies it to the tyre. A cutter 181 moves transversely across the pleated strip' and cuts it when a sufficient length has been applied to the tyre.
Patent GB-1173107-A (GB)
Title: Improvements in or relating to Microscopes
IPC: G02B21/00
Filed: 1968-04-03
Abstract: 1,173,107. Measuring microscopes. AMERICAN OPTICAL CORP. April 3, 1968 [May 4, 1967], No.15957/68. Heading G2J. A radius measuring microscope M, Fig. 1, comprises a stage S, a base B, and an optical assemblage within a housing 26 including a monocular or binocular eye-piece E, vertical illuminator V, an objective O in a nose-piece 18 which is movable toward and away from a curved surface of specimen L supported on stage S over a distance equal to the radius of curvature of the specimen surface, and a scale and index arrangement which duplicates the movement of the nose-piece with which it is in direct contact to afford a direct reading of the said distance, an image of the scale and index being projected into the eye-piece E. As shown, a beam splitter 16 directs light from one of the interchangeable reticles 12, 14, Fig. 2, through objective O to form an image on the upper surface 22 of a lens L. Then the nose-piece is moved by knob K so that a second image of reticle 12 or 14 is formed by reflection from surface 22, the distance moved by nose-piece 18 being equal to the radius of curvature of surface 22 and being measured by a slide 28 whose lower end is pressed by compression spring 40 into contact with nosepiece 18 and whose upper end has a cut-out carrying a scale 32. A slide 42 adjacent scale 32 carries an index which may be aligned with a graduation on scale 32, in its initial position, by rotating a knob 48 whose shaft 50 carries an eccentric 52 bearing on the index carrying slide 42. A composite image of scale 32 and the index line is presented in eye-piece E simultaneously with the image of the reticle 12 or 14 projected on the surface 22, by utilizing light from illuminator V which has passed through beam splitter 16 and has been reflected by mirrors 58, 60, the image formed by an objective lens 62 being reflected by the beam splitter 16 into the eye-piece E. The scale reading objective 62 is fixed to a slide 64 having a slot 74 engaged by an eccentric 72 on a shaft 70 rotatable by focusing knob 68. To determine the depth of a hole in a specimen the microscope is focused on the bottom of the hole and the upper rim respectively, the depth being read from the measuring scale and index.
Patent GB-725228-A (GB)
Title: Substituted carbamic acid esters and process for the manufacture thereof
Filed: 1953-06-10
Abstract: The invention comprises carbamic esters of 3-quinuclidinol of the formula <FORM:0725228/IV (b)/1> where R is phenyl or cyclohexyl optionally substituted by halogen, nitro, C1-C4 alkyl or C1-C4 alkoxy and R1 represents the optional presence of one of these substituents; also their acid addition and quaternary salts.  The compounds are made by treating 3-quinuclidinol with isocyanates of the formula <FORM:0725228/IV (b)/2> or (R=phenyl, R1=H) with 4 : 4-diphenyl-2 : 5-oxazolidinedione.  They exist in various stereo-isomeric and optically isomeric forms.  Examples show the production of the 3-quinuclidyl esters of benzhydrylcarbamic, a -cyclohexyl - benzylcarbamic, p - methylbenzhydrylcarbamic, p - chlorobenzhydrylcarbamic, p - bromobenzhydrylcarbamic, p - methoxybenzhydrylcarbamic (2 stereoisomers), pp1-dimethoxybenzhydrylcarbamic and p-nitrobenzhydrylcarbamic acids; the hydrochlorides of some are described.  In addition 3-quinuclidyl benzhydrylcarbamate is converted into its quaternary salts with methyl bromide, ethyl bromide and butyl bromide, and 3-quinuclidyl a -cyclohexylbenzylcarbamate into its quaternary methobromide. Isocyanates.-The following are made from the corresponding halides and silver isocyanate: a -cyclohexylbenzyl, p-methylbenzhydryl, p - chlorobenzhydryl, p - bromobenzhydryl, p - methoxybenzhydryl, pp1-dimethoxybenzhydryl and p  p-nitrobenzhydryl isocyanates. Benzhydryl halides.-p - Methylbenzhydryl chloride, p-methoxybenzhydryl chloride, pp1-dimethoxybenzhydryl chloride and p-nitrobenzhydryl chloride are made from the corresponding benzhydrols and hydrogen chloride.  a -Cyclohexylbenzyl bromide is prepared by reacting benzaldehyde with cyclohexylmagnesium chloride and treating the resulting cyclohexylphenylcarbinol with phosphorus pentabromide.
Patent GB-686418-A (GB)
Title: A new or improved decorative pendant
IPC: A41G1/04
Filed: 1950-06-27
Abstract: 686,418. Decorative pendant. HURST, G., and SIMMONS PAPER CO., LTD. May 24, 1951. [June 27, 1950] No. 16027/50. Class 93. A paper festoon or garland consists of one or more sets of superposed sheets 1, (Fig. 2) which can be pushed flat and are extendable concertina-wise to form a lattice-type pendant a set of correlated releasable fastenings 2 (Fig. 2) e.g. press studs, on the end sheets 3, 4 by which they may be joined together and a stiffener 5 e.g. a wire, which can be joined into a ring to support the expanded garland. The wire may pass through a central opening 7 in the garland and be joined by a sleeve 6. Streamers, some of which may be used as supports, may be attached to the garland.
Patent GB-790927-A (GB)
Title: Improvements in and relating to toothed gears
IPC: F16H55/06
Filed: 1955-06-06
Abstract: 790,927. Toothed gears. ANGUS & CO., Ltd., G., and FEARNS, S. Aug. 31, 1956 [June 6, 1955], No. 16139/55. Class 80 (1). A ferrous or non-ferrous toothed metal gear such as a pinion or a worm has a thin coating of nylon bonded to the metal at least on the tooth surfaces. The coating may be of the order of 0.010 inch and should not exceed one tenth of the gear pitch. It may also be applied to end surfaces of the gear. To effect the bonding powdered nylon may be sprayed on to a heated metal gear, and cooling may be accelerated by an air stream. The gear may be machined after the coating has been applied. It is stated that the nylon-coated gears combine the advantages of quietness, low or non-lubrication and chemical resistance of all-nylon gears with the low material cost, the tooth strength and heat conductivity of all-metal gears. According to the Provisional Specification the coating may be applied by flame-spraying on to the relatively cool metal.