baber/WOPTO huggingface dataset:
Patent GB-523130-A (GB)
Title: Improvements in the polymerisation of butadienes in aqueous emulsion
IPC: C08F36/16
Filed: 1939-02-09
Abstract: 523,130. Synthetic rubber. I.G. FARBENINDUSTRIE AKT.-GES. Feb. 9, 1939, Nos. 4322 and 4323. Convention dates, Feb. 14, 1938, and April 22, 1938. [Class 2 (iii)] Synthetic rubber is produced by the polymerization of butadienes, including butadiene,. isoprene, dimethylbutadiene and other butadiene hydrocarbons in aqueous emulsion in the presence of an organic base containing a nitro group and an open-chain double bond between two carbon atoms or a carbon and a nitrogen atom. Other polymerizable compounds such as acrylic nitrile and styrene may be added. Suitable bases are Schiff's bases such as benzalp-nitraniline, p - nitrobenzal - p - nitroaniline, p-nitrobenzal thiosemicarbazone and cinnamalp-nitraniline. In examples, (1) butadiene is emulsified in aqueous sodium isopropylnaphthalene sulphonate and benzal-p-nitraniline with or without the addition of sodium persulphate and hydrogen peroxide ; (2) butadiene, styrene and cinnamal-p-nitraniline are emulsified in aqueous sodium di-isobutylnaphthalene sulphonate and cellulose methyl ether ; (3) butadiene and 5- nitro-2-styryl-benzimidazol are emulsified in aqueous sodium di-butylnaphthalene sulphonate.
Patent GB-726222-A (GB)
Title: Method of manufacture of shell-cases and other containers of like shape
IPC: B21D51/54
Filed: 1953-02-17
Abstract: 726,222. Portable containers. FORGES ET ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE JEUMONT. Feb. 17, 1953 [March 4, 1952], No. 4398/53. Class 66. [Also in Groups XXI and XXII] Shell cases and other similar containers of metal, paper, impregnated fabric, synthetic resins &c. having multilayer tubes of wound sheet material a, Fig. 3, set in a base b, have local deformations which hold the layers together. The case may have frusto-conical sections 1, Fig. 3, or grooves 3, Fig. 6. In other examples the outer layer a2, Fig. 4, is perforated and the inner layers are formed with engaging projections 2. In another example the layers are deformed around a ring 4, Fig. 7, which remains a part of the case.
Patent GB-660382-A (GB)
Title: Crystal diodes having a point contact device
IPC: H01L29/00
Filed: 1949-02-18
Abstract: 660,382. Detectors. COMPAGNIE DES-FREINS ET SIGNAUX WESTING- HOUSE. Feb. 18, 1949 [Feb. 18, 1948], No. 4420/49. Class 40 (v). In a point contact crystal diode the whisker 1 comprises a hollow stepped resilient cone or capsule 2 of low inductance to which the contact point 4, after forming, is centrally secured. The capsule is formed from a blank which may be of plain or cloverleaf contour and is secured by welding to a supporting electrode 3.
Patent GB-1048323-A (GB)
Title: Improvements in or relating to water-cooled tubes for vacuum degassing apparatus
IPC: C21C5/46
Filed: 1964-02-03
Abstract: The dipping tubes of a vacuum degassing apparatus, particularly of the circulatory type, are formed of hollow bodies of a metal of good thermal conductivity, particularly copper, through which cooling water flows. The surface of the tube may be oxidized or may be coated with an oxide of another material. The tube may also be partly covered on its inner or outer surface with a refractory coating to minimise heat loss from the melt.
Patent GB-287075-A (GB)
Title: Washing glove
IPC: A47K7/02
Filed: 1928-02-13
Abstract: 287,075. Soc. du Caoutchouc Manufacture. March 4, 1927, [Convention date]. Gloves. - A toilet glove comprises a layer of absorbent material with an impervious lining 2 which is detachably attached thereto and which may envelop the material when the glove is turned inside out, thereby being capable of use as a holder for a sponge, soap, or other like article. The absorbent material may be Turkish towelling, towel cloth, hair fabric, &c., and the impervious lining may be rubber sheet, rubberized cloth &c. The detachable fastening means may comprise, as shown, buttons 3 and loops 4, buttons and buttonholes, or a cord threaded through reinforcements on the two elements. A loop 5 serves to hang up the glove.
Patent GB-735904-A (GB)
Title: Improvements in or relating to sliders for slide fasteners
Inventor: WEBER VITEZSLAV
IPC: A44B19/30
Filed: 1953-02-18
Abstract: 735,904. Sliding-clasp fasteners. AERO ZIPP FASTENERS, Ltd. Jan. 19, 1954 [Feb. 18, 1953], No. 4514/53. Class 44. An automatically locking slider for a sliding clasp fastener is provided with a pull tab on each shield, an attachment member on one shield carrying one of the pull tabs which operates a spring- loaded, locking finger directly, while the other pull tab operates the finger remotely by means of a link member. In Fig. 6, the attachment member 30 is constructed and pivoted to the slider body and is operated by the pull tab 34 in the way disclosed in Specification 669,587. As the other tab 45 is rotated away from the slider the cam action of the pivot portions 44 displaces the link member 47, which lies in a channel in the neck of the slider, and the nose 48 of which bears against the attaching member 30 pivoting it outwards and withdrawing the locking fingers 38. Fig. 7 shows a modified cam action in which one end of the link member 147 is shaped to form a cam surface which is displaced when pivot portions 144 of pull tab 145 are moved laterally. In this case it is necessary to cut a slot in the bearing portion 142 to permit insertion of the link 147. Alternatively the cam surface may be formed on the inner surface of the connecting lug 142 (see Fig. 8, not shown). Fig. 9 shows a further embodiment where in the locking finger 438 is carried by a spring 437 integrally formed with an attaching member 430 non-pivotally mounted on the slider. Specification 644,482 also is referred to.
Patent GB-117053-A (GB)
Title: Improvements in Screens for Cinematograph Pictures and the like.
Inventor: HEALE FRANK
IPC: G03B21/60
Filed: 1918-03-14
Abstract: 117,053. Heale, F., and Bryant, G. W. March 14, 1918. Optical - projection apparatus. - A screen for kinematograph pictures &c. said to give a stereoscopic effect consists of a plaster or fabric screen silvered on the face and arrayed behind two separate veiling screens of fine mesh netting or the like silvened on the front and blackened at the back, all three screens being spaced apart.
Patent GB-625179-A (GB)
Title: Improvements in or relating to the cooling of electric discharge devices
IPC: H01J19/36
Filed: 1947-02-17
Abstract: 625,179. Cooling discharge apparatus. M-O VALVE CO., Ltd., ANDREWS, D., and WINDSOR, L. R. E. Feb. 17, 1947, No. 4537. [Class 39 (i)] A radiator 3 for cooling an electric discharge device, as for example a transmitting valve 1, having a frusto-conical portion 10 and an anode 2, comprises four concentric copper tubes 4, 5, 6 and 7 surrounding the anode 2 and forming passages which are provided with cooling fins 8, Fig. 2, the inner tube 4 having a flared extension 9 so that the flow of fluid from the ends of adjacent passages has an extractor effect on the fluid in the inner passage. Flared extensions may be provided on more than one of the tubes, being progressively shorter and of smaller angle of flare away from the inner tube.
Patent GB-1454071-A (GB)
Title: Simulated bacon product and process for the manufacture thereof
IPC: A23L13/00
Filed: 1975-02-03
Abstract: 1454071 Simulated bacon MILES LABORATORIES INC 3 Feb 1975 [4 Feb 1974] 4543/75 Heading A2B Simulated bacon comprises alternate layers simulating lean meat and fat; the lean meat layers being made from a composition comprising 10-40% vegetable protein fibre, 5- 20% egg albumen, 5-20% tapioca starch, 30-60% water, 3-20% vegetable oil, 0.1- 1.5% vegetable gum, 2-15% vegetable protein isolate, 0.05-0.50% dextrose, 0.005- 0.050% colouring and 5-20% flavouring and seasoning; and the fat layers form a composition comprising 0-5% vegetable protein fibre, 5-20% egg albumen, 3-20% tapioca starch, 30-60% water, 10-40% vegetable oil, 0.1-1.5% vegetable gum, 2-15% vegetable protein isolate, 4-15% sodium caseinate, 0.05-0.50% dextrose, and 5-20% flavouring and seasoning. The vegetable protein fibre and isolate may be soy protein, the vegetable oil may be corn oil, the gum may be carrageenan, seaweed extract, guar gum or locust bean gum, and the colouring may be F.D.C. Red No. 3 and Yellow No. 6. As additional colouring 0.1-0.7% caramel may be included. The flavourings may include hydrolysed and autolysed yeast. The product is prepared by (a) either introducing a gas into each initial composition or including an agent. e.g. sodium bicarbonate or baking powder which will generate a gas during heating, (b) forming the compositions into alternate layers, and (c) cooking so that the product expands by 15-40%. The cooking is at 75-95C. The cooked product may be sliced and fried.
Patent GB-1391237-A (GB)
Title: Blow moulding apparatus
IPC: B29C49/56
Filed: 1973-01-30
Abstract: 1391237 Extrusion-blow-moulding KAUTEX-WERKE REINOLD HAGEN GmbH 30 Jan 1973 [31 Jan 1972] 4572/73 Heading B5A  Extrustion - blow - moulding apparatus comprises a hollow sectional mould reciprocable between a receiving station under an extrusion nozzle and a release station where the blown moulding is removed from the mould, the mould movement and the opening and closing thereof each being effected by cam followers co-operating with two cam tracks on a drive roller. As shown in Figs. 1, 2, the apparatus comprises a carriage 13 slidable on guide rods 11, 12 fixed to the machine base 37. Blow mould halves 14a, 14b are mounted on platens 19a, 19b having projections 20a, 20b pivoted to arms 21, themselves pivoted to carriage 13 at 22 and connected together at a common pivot 24 via links 23. Pivot 24 is mounted on a projection 25 of a cross-bar 26 slidable along rods 29 fixed at 30 to carriage 13. Fixed to rods 29 is a cross-bar 31. Cross-bars 26, 31 have cam rollers 32, 33 respectively fixed thereunder and engaged in cam tracks 41, 42 on a roller 34 rotated by motor 41. In operation, a preform 43 is continuously extruded from nozzle 15 and received by open mould 14 which is closed thereon by rotation of roller 34 by means of track 41, roller 32, crossbar 26 and levers 21, 23 while carriage 13 remains stationary. Carriage 13 is then moved so that mould 14 is placed under blowing nozzle 16 which is lowered into it and the parison blowmoulded thereby. During this station, roller 34 may be stationary. The mould is then opened by suitable section of track 41 and then carriage 13 moved back by a suitable section of track 42 for a further cycle. The blow mould halves may have transfer grippers to close on the blown moulding left on nozzle 16 as the mould recloses on extrudate 43 and take it to a discharge station as the carriage 13 moves back to the left. Supply of blowing air, movement of nozzle 16, &c. may be controlled by switches on control member 47 rotating with roller 34 or by a third cam track thereon. Distortion of the extrudate or moulding may be avoided during mould closing or opening by appropriate movement of carriage 13 simultaneously therewith.
Patent GB-850172-A (GB)
Title: Improvements in or relating to high-vacuum containers
IPC: F27B5/04
Filed: 1957-02-11
Abstract: 850,172. Diffusion pumps. SIEMENSSCHUCKERTWERKE A. G. Feb. 11, 1957 [Feb. 9, 1956], No. 4643/57. Class 71. A high vacuum container to be evacuated by a pump arrangement including a diffusion pump has the diffusion pump formed as a structional unit with the container and arranged around the inner or outer periphery of the container. A high vacuum container, such as a furnace, has side walls 1, a base sub-divided into two portions 2 and 3 and a cover 4. The base portion 2 supports a crucible or container 9 for the material to be treated and is provided with suitable heating means. The base portion 3 supports cylinders 12, 13, 14, 15 and screens 12a. 13a and 14a forming nozzles 16, 17, 18 which constitute the diffusion pump, coil 11 providing the heating means for the oil. The side walls 1 of the container contains the cooling liquid for the diffusion pump and the container has outlets 19 leading to the fore-pump. The base portion 3 may be provided with a cooling medium thus providing more rapid cooling of the driving medium when it is requried to stop the pump. The invention thus affords a high vacuum container and diffusion pump formed as a structural unit. When the container is of rectangular form the pump may be formed as a series of units around the periphery of the container. The diffusion pump may be formed around the outer surface of the container to be evacuated.
Patent GB-1236939-A (GB)
Title: Improvements in or relating to blinds
Inventor: NAYLOR RICHARD MELVILLE
IPC: E06B9/36
Filed: 1968-01-30
Abstract: 1,236,939. Window blinds. VERTICAL BLINDS Ltd. 20 Dec., 1968 [30 Jan., 1968], No. 4686/68. Heading E1J. A vertical slat for a vertical blind has a ballast at its lower end comprising metal plate 18 wholly enclosed in an envelope 17 formed of synthetic plastics secured to the slat by radio frequency welding, the envelope having an aperture 26 for the attachment of a chain 21 &c which interconnects adjacent slats. The aperture 21 preferably comprises a top hole and a smaller bottom hole interconnected by a slit. The envelope may be formed by folding part of the slat at the bottom thereof back upon itself and closing the three free edges e.g. by welding. Alternatively the envelope comprises two strips between which the slat is located and welded thereto. The hanger 11 of the slat may comprise a strip 15 of rigid plastics apertured at 15a to receive a hook 13 of the blind operating mechanism.
Patent GB-511202-A (GB)
Title: Improvements in or relating to machines for packing articles into boxes of the tray and hinged-lid type
IPC: B65B57/08
Filed: 1938-02-16
Abstract: 511.202. Packeting machines. ROSE, A. G. and ROSE BROS. (GAINSBOROUGH), Ltd. Feb. 16, 1938, No. 4762. [Class 94 (i)] In a machine for filling boxes of the hinged lid type, the boxes are normally fed towards a filling point with the lids open, and detecting means are provided for stopping the machine in the event of a lid being closed. As shown, boxes 3, with the lids 4 in the open position, are fed by a belt past the detecting means comprising an arm 7 having a feeler 9, which descends into each box, and, by means of a stamping device carried on the feeler, prints the date or a code on the bottom of the box. If the lid is not opened, the arm 7 is prevented from making a full oscillation and the main clutch 33 is declutched from the shaft 32 and the machine is stopped. The arm 7 forms, with an arm 8, a bell crank lever oscillated by a cam 11, the arm 8 carrying a cam roller 20 engaging a cam 19 on an arm 18. If the arm 8 makes a full stroke, the cam roller 20 passes away from a boss 22 on a lever 24 and allows a spring pin to move out of the path of a lever 13b. If the arm 8 fails to make a full stroke, the pin obstructs the lever 13b, and links 24, 27, 29, 30 are operated to declutch the shaft 32 and stop the machine.
Patent GB-492139-A (GB)
Title: Improvements in and relating to reinforced concrete structures
IPC: E04B1/94
Filed: 1938-02-16
Abstract: 492,139. Floors ; girders. CONNIES, S. Feb. 16, 1938, No. 4809. [Class 20 (iv)] A reinforced-concrete floor or the like comprises joists 1 having the lower flanges 2 encased in concrete blocks 3 which are provided on the upper surface thereof with gaps 5 adapted to receive and locate the ends of transverse wood furring strips 6 engaging the corrugations 9 of metal shuttering sheets 10 on which the concrete 14 is cast as shown in Figs. 2 and 3. Alternatively, the corrugated sheets 10 may be so arranged that the corrugations 9 thereof fit into the gaps 5 of the blocks 3 so as to render unnecessary the strips 6. As shown in Figs. 2 and 3, the gaps 5, which are spaced equidistantly along the side edges of the blocks 3, are adapted to be engaged by end tongues 7 on the strips 6 ; the strips 6 may project above the upper surfaces of the blocks 3 to substantially the same extent as the depth of the gaps 5, and the transverse corrugations 9 of the metal sheets 10 are dimensioned so that the upper portions of the strips 6 are accommodated within the corrugations 9 and the marginal edges 11 of the sheets rest upon the upper surfaces of the blocks. The concrete 14 is cast upon the sheets 10 so as to enclose the upper portions of the joists. In the modification referred to above, the metal sheets 10 are inverted relatively to the position shown in Fig. 3 so that the ends of the corrugations 9 fit within the gaps 5.
Patent GB-1416365-A (GB)
Title: Process for the manufacture of drystalline ammonium phosphates
IPC: C01B25/40
Filed: 1973-01-31
Abstract: 1416365 Crystalline ammonium phosphates FRIEDRICH UHOE GmbH 31 Jan 1973 [2 Feb 1972] 4833/73 Heading C1A In manufacture of ammonium phosphates by the reaction of aqueous phosphoric acid and ammonia, an organic solvent is added to the phosphoric acid to precipitate impurities, which are removed before treating the mixture of phosphoric acid and solvent with ammonia to form crystalline ammonium phosphates. These are separated from the liquid reaction mixture, and the organic solvent is removed from the aqueous phase. The solvent, e.g. acetone or methyl ethyl ketone, may be recycled.
Patent GB-536358-A (GB)
Title: Improvements in and relating to spark plugs
IPC: H01T21/02
Filed: 1940-03-15
Abstract: 536,358. Sparking-plugs. SOC. DE CONSTRUCTION D'APPAREILS MECANIQUES ET ELECTRIQUES POUR AUTOMOBILES. March 15, 1940, No. 4861. Convention date, March 18, 1939. [Class 7 (iv)] A gas-tight joint between the insulator and electrode is made by axial pressure on deformable metal rings c, f, separated by steatite, talc or the like e.
Patent GB-563272-A (GB)
Title: Improvements in and relating to electric batteries
IPC: H01M6/04
Filed: 1942-04-14
Abstract: 563,272. Galvanic batteries. ADAMS, B. N. April 14, 1942, No. 4894. [Class 53] A battery comprises a magnesium cathode 14 and an anode 26 of fused cuprous chloride. In'the form shown, the cathode is tubular, is coated on the outer surface with tar, and surrounds the anode. The latter is made by arranging a copper coil 34 and terminal 28 in,a crucible and fusing the cuprous chloride around, a piece of wood carbon being placed on top to act as a catalytic agent, which is found to render the anode successful. After removal from the crucible, the anode is dipped into sulphuric acid, and, while still wet, into aluminium powder, which prevents oxidation. The electrolyte is a solution of magnesium sulphate, the salt being placed in the container and the filling and vent openings immediately sealed. When the cell is to be used, it is filled with water; the addition of fused magnesium chloride to the electrolyte enables the cell to be used at once. Sodium hyposulphite also may be added, resulting in a prolongation of the life of the battery, with a slight drop in voltage.
Patent GB-308681-A (GB)
IPC: C07C37/48
Filed: 1929-02-14
Abstract: 308,681. Rheinische Kampfer-Fabrik Ges. March 26, 1928, [Convention date]. Addition to 326,215. Thymol and its isomers.-Thymol is prepared by isomerizing propyl or isopropyl derivatives of m-cresol by heat treatment at about 330-400‹ C. without the use of catalysts, and fractionally distilling the product. The propyl group in the initial material is attached to the nucleus. Thymol is also obtained by effecting the reaction between m-cresol and multi-propylated m-cresol without the use of catalysts by employing higher temperatures. In the examples (1) 3-oxy-1- methyl-x-propyl or isopropyl benzene of melting point 68-69‹ C. and boiling-point 228-229‹ C. is heated to 350‹ C. in an autoclave for 15 hours, (2) 3-oxy-1-methyl-x-propyl or -isopropyl benzene of melting-point 114‹ C. and boiling-point 245- 246‹ C. is heated to 380‹ C. in an autoclave for 30 hours; (3) molecular quantities of m-cresol and m-cresol dipropylated or di-isopropylated in the nucleus and of boiling-point 265‹ C. are heated to 360‹ C. in an autoclave for 20 hours, (4) molecular quantities of m-cresol and propyl thymol ether are heated to 360‹ C. in an autoclave for 20 hours. The Specification as open to inspection under Sect. 91 (3) (a) contains examples in which (1) isopropyl m-cresyl ether of boiling-point 196- 197‹ C. is heated in an autoclave at 340-350‹ C. for six hours, fractional distillation yielding m-cresol, thymol, and a thymol isomer of melting- point 114‹ C., thymol being obtained from the middle fraction by cooling and seeding with a crystal; (2) propyl m-cresyl ether of boiling-point 210.6‹ C. is heated to 350-360‹ C. in an autoclave for 20 hours. This subject-matter does not appear in the Specification as accepted.
Patent GB-576148-A (GB)
Title: Improvements in or relating to parachute equipment
IPC: B64D17/52
Filed: 1941-04-23
Abstract: 576,148. Parachutes. AVIOREX DREYFUS FRERES. April 23, 1941, No. 5266. Convention date, Sept. 15, 1939. [Class 4] . The position of a falling parachutist is stabilized, prior to the opening of his parachute, by an auxiliary parachute which may also be used for withdrawing the main parachute from its pack. The auxiliary parachute is ultimately detached from the harness. The auxiliary parachute is contained in a pocket 8 on one of the flaps of the main parachute pack and is released by a cable connected to a finger ring or is released automatically as the parachutist jumps. The auxiliary parachute is connected to straps 17 releasably connected to straps 18 on the harness, release being effected when pins 19 are withdrawn by cables 21 connected to the rip cord of the main parachute pack. The same cord may be used for effecting all these actions in successive stages. A cord 22 enables the released parachute to withdraw the canopy of the main parachute. The main parachute pack has a partition 25, Fig. 4, having one or more holes 27 through which the suspension cords 23 are passed so as to control frictionally the opening of the main parachute.
Patent GB-396468-A (GB)
Title: An adjustable aeriform fluid diffuser
IPC: F24F13/06
Filed: 1932-02-23
Abstract: 396,468. Exhaust-silencers. JOHNSTON, N. F., 6, Binnie Place, Glasgow. Feb. 23, 1932, No. 5319. [Class 7 (ii).] A device for diffusing and radially distributing a gaseous fluid, more particularly air for ventilation, but also adapted for use in an exhaust silencer, comprises a helical or a single or multiple spiral member C capable of axial expansion and contraction in order to vary the cross section of the gas passages formed between adjacent turns of the spiral or helix. The member C is formed by joining end to end a number of split circular bands of equal diameter in the case of the helix, Fig. 7, and of decreasing diameter in the case of the single spiral, Fig. 4. In the case of the multiple spiral Fig. 1, two or more spiral bands are cut from a flat sheet of material, extended axially and twisted together. The turns of the spiral or helix make, with the direction of flow of the incoming gases, an angle of less than a rightangle. The device is adjusted by means of a rod D fixed to the apex of the device and adjustable within a bracket E. Fig. 8 shows an exhaust silencer 1 embodying a number of the devices arranged so that the gases are given alternately clockwise and counterclockwise motions.
Patent GB-179682-A (GB)
Title: Improvements in and relating to carburettors
IPC: F02M9/08
Filed: 1921-02-16
Abstract: 179,682. Stimpson, C. Feb. 16, 1921. Joints with yielding outer part compressed.- The outlet pipe 14 of a carburettor is secured to the induction pipe by being grooved to leave a thin convex ring of metal 21 which is forced against the induction pipe by a clamp 18 and screw 19.
Patent GB-1497344-A (GB)
Title: Reactive dyeing system
IPC: C07F9/12
Filed: 1975-02-10
Abstract: The dyestuff of the formula I or its ammonium and alkali metal salts is prepared by reaction of N-acetyl-H-acid with a diazotised m-aminobenzenephosphonic acid. These dyestuffs are suitable for dyeing cellulose fibres in the presence of a carbodiimide, in particular cyanamide. <IMAGE>