baber/WOPTO huggingface dataset:
Patent GB-734254-A (GB)
Title: Tray deck for fluid contact columns
IPC: B01D3/32
Filed: 1953-10-23
Abstract: 734,254. Contacting gases with liquids. NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ. Oct. 23, 1953 [Oct. 25, 1952], No. 29411/53. Class 55 (2). A tray deck for a gas-liquid contact column 10 (Fig. 2) comprises a number of parallel spaced beams 21 extending across the column and supported at their ends by an annular flange 20 secured, e.g. by welding, to the shell of the column and a plurality of deck sections 28 which extend transversely between adjacent beams 21 and which have along their transverse edges downwardly projecting stiffening flanges 39 (Fig. 6) extending between the beams. The deck is completed by deck sections 29 which rest partly on a beam 21 and partly on the flange 20, the edges of the sections 29 adjacent the shell being curved. The beams 21 are secured to the flange 20 as shown in Fig. 4 by clamping members 22 and 23 secured together by a bolt 24 which may pass through a hole in the top flange 21a of a beam or as shown the upper flange may be notched to accommodate the stem of the bolt. The deck sections 28 and 29 may be made of light gauge sheet metal, e.g. of stainless steel, nickel or "Monel" metal, (R.T.M.) and are of such sizes that a space is left between adjacent sections 28 on the beams 21 and between the sections 29 and the shell of the column 10 to allow for expansion. The sections have series of punchedout slots 46 with sharp or rounded corners to provide an aggregate slot area of between 7 and 50 per cent of the total tray area. The sections 28 (Fig. 6) have centrally disposed reinforcements 38 secured to their undersides and the transverse marginal edges of the sections are bent downwardly to form the stiffening flanges 39 and may also have a tip 40 turned inwardly from a flange 39 under a reinforcement 38. The longitudinal edges of the sections 38 extend beyond the flanges 39 as shown at 36 and 37. The sections 29 are of similar construction except that they have only one transverse stiffened edge and the reinforcements 38 stop short of the curved edges of the sections. The sections 28 and 29 are secured (Fig. 4) to the beams 21 by bolts 27 and washers 31, the washers being of such size as to overlie the marginal portions of adjacent sections and the seams of the bolts passing between the sections which are notched for this purpose if necessary. A section 28a (Fig. 2) is provided in each tray deck to serve as a man-way and is secured by fasteners 35 having removable nuts at both ends of a threaded bolt to a central portion of which is secured a plate adapted to lie between adjacent longitudinal edges and prevent rotation of the fastener. Reference has been directed by the Comptroller to Specification 628,311.
Patent GB-291286-A (GB)
Title: Improvements in or relating to limit gauges
IPC: G01B3/26
Filed: 1927-11-03
Abstract: 291,286. Aktiebolaget Svenska Kullagerfabriken. July 25, 1927, [Convention date]. Linear-dimension gauges.-Comprises a limit gauge for holes in which the lines of maximum and minimum dimension are in the same plane as the axis of the gauge and are inclined with respect to one another in that plane, whereby to change from a minimum dimension to the maximum it is only necessary to tilt the gauge axis in the said plane without withdrawing the gauge from the hole. In one form Figs. 1, 2 a gauging member 1 made in one piece with or attached to a handle 2 has two opposite curved surfaces 3, 4 which are segments of a cylinder and are symmetrically disposed with respect to the gauge axis a-a, the diametrical distance A between these surfaces constituting the minimum dimension. The opposite ends of these portions 3, 4 are chamfered by grinding in order to form two curved gauging surfaces 5, 6 and the distance B between them represents the maximum dimension. To test a hole, the gauge is pushed into the hole with the axis a-a coinciding with the hole axis, and if correct, no opposition is offered to insertion. The maximum dimension is then tested by rocking the gauge in the direction of the arrow in Fig. 1. If the hole is correct as to this dimension there will be a tendency for the two ridges formed by the junction of maximum and minimum gauging surfaces to join in the hole, and this will be indicated by the sound of a click when the gauge is brought back to the first position. In a second form, Fig. 3, the gauge is formed of a spherical surface of the diameter of the minimum dimension through which is bored a hole at an angle to the axis a-a and in the bore is secured a pin 10 which projects at its spherical ends from the curved surface. The length of the pin constitutes the maximum dimension. The pin 10 may not extend completely through the member 1 and two diametrically opposite raised bosses may be employed instead of the pin. Furthermore, a single raised part or projection may be used and it may be deposited on the member 1 by an electrolyte process or it may be adjusted in a groove in the member 1.
Patent GB-1242826-A (GB)
Title: Abdominal belt appliance for slimmers
Inventor: FEATHER JACK VINCENT
IPC: A61F5/03
Filed: 1970-06-17
Abstract: 1,242,826. Abdominal belts. J. V. FEATHER. 17 June, 1970 [22 Dec., 1969], No. 29464/70. Heading A3V. [Also in Division A5] An abdominal belt appliance for slimmers includes an inflatable belt 11 made of a material having a non-porous and non- absorbent surface, with adjustable securing means to fit the belt to a wearer's waist with its ends overlapped, inflating means to inflate the belt throughout its length, and a closure, e.g. a spring clip to maintain the belt inflated. The inflating means is preferably a flexible tube 25 which is of such a length to reach the mouth of a wearer of the belt. The belt may be between 7 and 12 inches wide and be formed by bolding a rectangular sheet of plastics material and securing the free edges to form an enclosed inflatable pocket. The securing means may comprise straps 19 engagable with buckles or D-rings 21, or filamentary interengagable pile fabrics.
Patent GB-853566-A (GB)
Title: Improvements relating to the stress-relief of large metal vessels by electrical heating
Inventor: OLIVER WILLIAM LESLIE
IPC: C21D9/00
Filed: 1958-09-15
Abstract: 853,566. Annealing. METROPOLITANVICKERS ELECTRICAL CO. Ltd. Aug. 21, 1959 [Sept. 15, 1958], No. 29496/58. Class 72 [Also in Groups XI and XXII] Stress is reieved in a large metal vessel 1 made up of welded plates by heat e.g. a pressure vessel for a nuclear reactor, heat exchanger or fractionating apparatus, radiation from a central column 4 which is formed by sections 6 interfitting or locked together end-toend, electrical heating elements being mounted around the periphery of some of the sections (see Group XI). The column is hollow to contain the electrical supply conductors and for the circulation of air. The column is offset at 20 to avoid an obstruction.
Patent GB-742795-A (GB)
Title: Improvements in the reproduction of recorded sound
IPC: G11B3/08
Filed: 1953-02-21
Abstract: 742,795. Optical sound reproducing apparatus. JONAS, E. L. May 21, 1954 [Feb. 21, 1953], No. 29501/52. Class.40(2) An apparatus for playing optical disc records comprises an attachment for a disc gramophone in which a stylus arm 14 following a grooved tracking'disc 23 on the turntable 13 causes arms 18, 19 carrying a slit-producing light source 35 and a photor electric cell 28, respectively, to be traversed across an optical disc record 22 mounted above the said turntable 13. The light source 35 projects a narrow slit of light 45 across the track 43 so that the voltage generated in the photo-electric cell varies in accordance with modulations thereon. The track may be of variable width or may be a sinuous track of constant width, in the latter case the density of the light being arranged to be greater at the centre tapering to a low value at the ends. The record 22 consists of two layers, the lower one 44 being of translucent material having sound groove cut in it by a vibrating cutting stylus, and the upper layer 42 being of transparent material and serving as a dustcover and protecting the lower layer from wear by a member 36 which supports the light source 35 at a fixed distance from the record disc 22. The apparatus is contained in a light-tight casing 11.
Patent GB-832526-A (GB)
Title: Stirrers for flotation cells or agitators
Inventor: PIRKMAJER BORO
IPC: B03D1/16
Filed: 1956-09-27
Abstract: 832.526. Flotation apparatus. METALURSKI INSTITUT PRI TEHNISKI FAKULTETI UNIVERZE V. LJUBLJANI. Sept. 27, 1956, No. 29534/56. Class 82(2) A hollow stirrer for a flotation cell has at least one internal fluid duct connected with the shaft and at least one further duct for sludge to be sucked into the stirrer, the outlets of each duct being disposed on separate surfaces parallel to the axis of rotation of the stirrer and at an acute angle to the tangent to the path swept by the leading edges of the surfaces, the leading edge being the furtherest part of the surface from the axis. The air ducts are shown at 3 and are arranged to terminate on alternate surfaces 7 of the stirrer with sludge ducts 9 arranged on surfaces 11. A stirrer with two vertically spaced impellers is disclosed. A plug 12 or other valve means controls the quantity of air fed down the shaft.
Patent GB-1443011-A (GB)
Title: Bookbinding systems
IPC: B42D3/00
Filed: 1973-06-21
Abstract: 1443011 Binding books GENERAL BINDING CORP 21 June 1973 [22 June 1972] 29580/73 Heading B6A A plurality of sheets 21, magazines, photographs &c. are bound into a book by resting their edges on a heat-activatable adhesive layer 16, e.g. supported on the backbone 11 of a cover, heating the adhesive, moving the sheets relative to the adhesive layer and sliding the sheets relative to one another whilst in contact with the heated adhesive, so as to allow adhesive to contact both the edges and the adjacent sides of each sheet &c., and then cooling the adhesive layer, e.g. on a chill block, Fig. 9 (not shown). The sheets may be manually moved from side to side, Fig. 7, or oscillation of the layer may be effected by the motor 44 of a bookbinding machine, Fig. 11, which is connected via a connecting rod 41 to a heater 33 which supports the cover 10 and adhesive layer, adjustable side walls 50, 51, having spring mounted rollers 62, 63 serving to lightly clamp the sheets &c. in position. These oscillations also jog the sheets into alignment on the layer before it is activated. The motor is activated for a given time, under the control of a sheet sensing limit switch 71. In an alternative embodiment, the heater surface is flexible and is bowed upwardly and downwardly to slide the sheets and move them relative to the layer. The cover, which may be paper or plastics, may have adhesive release strips on the inside so that, when empty, it can be folded flat with one strip contacting the adhesive layer. The layer may be a composition of ethylene vinyl acetate, resin and a wax, and be adhesively or mechanically tacked to the cover, or provided as a separate strip in the form of scrim. Projections or flaps may be provided on the inside of the cover or loose spacers temporarily inserted therein to facilitate location of the sheets on the layer for binding.
Patent GB-447403-A (GB)
Title: Improvements in or relating to television and like systems
IPC: H04N3/24
Filed: 1934-10-16
Abstract: 447,403. Television. ELECTRIC & MUSICAL INDUSTRIES, Ltd., Blyth Road, Hayes, Middlesex, and MANIFOLD, M. BOWMAN-, Heathcot, Worplesdon Station, Surrey. Oct. 16, 1934, No. 29596. Addition to 392,383. [Class 40 (iii)] A solenoid deflecting a cathode ray has a " black-out " circuit in parallel, the time constants of the deflecting and " black-out " circuits being such that the black-out " circuit develops, the first differential of the deflecting current which is applied to suppress the cathode ray during the return lines. The output of the frame oscillator is fed to the grid of pentode 5 to energize the deflecting solenoid 11. A " black-out circuit comprising condenser 12, resistances 13, 14 and biassing resistance 15 develops the first differential of the deflecting current which is applied to the tube 1. It is shown that the time constants of the " black-out" " and deflecting circuits must be equal if the voltage applied to the tube 1 is to have no components other than the first differential of the deflecting current. The resistance 8 provides negative feed-back to improve the wave-form of the deflecting current and may be replaced by (1) a coil coupled to the solenoid 11 and connected between grid and cathode of valve 5 ; (2) a potentiometer in series with the solenoid 11, a tapping being connected to the grid of valve 5 over a condenser, Fig. 2 (not shown) ; or (3) a variable resistance connected at one end to the cathode over a condenser, condenser 10 being omitted, and at the other end to the solenoid 11, Fig. 3 (not shown). The resistances 13, 14 may be replaced by a potentiometer, Fig. 2 (not shown). The solenoid 11 may be transformer coupled to the output of valve 5, Fig. 3 (not shown). A similar circuit is associated with the line oscillator, Fig. 3 (not shown).
Patent GB-519276-A (GB)
Title: Improvements in or relating to the production of concentrated solutions of hydrogen peroxide
IPC: C01B15/013
Filed: 1938-10-12
Abstract: 519,276. Concentrating hydrogen peroxide. SCHMIDT, H. Oct. 12, 1938, No. 29600. Convention date, Oct. 12, 1937. [Class 32] Vapours containing hydrogen peroxide are treated with pre-concentrated solutions of hydrogen peroxide so as to cause a part at least of the hydrogen peroxide vapour to condense in the solution. Treatment may be effected in one or more columns. The pre-concentrated solutions may contain 10 to 40, preferably 15 to 30, per cent. of hydrogen peroxide and a stabilizer such as phosphoric, barbituric or uric acids, and are sprayed into a column packed with Raschig rings &c, up which the vapours flow. In an example, 1000 1. of a persulphate solution containing 30 per cent. hydrogen peroxide is distilled into a packed tower fitted with a dephlegmator into which 80 kg. of a 25 per cent. solution of hydrogen peroxide at room temperature is sprayed. The yield is 86.6 kg. of 54 per cent. hydrogen peroxide.
Patent GB-408704-A (GB)
Title: Improvements in incinerators or refuse destructors
IPC: F23G5/00
Filed: 1932-10-24
Abstract: 408,704. Refuse-consuming furnaces. PETRIE & McNAUGHT, Ltd., and PETRIE, G., Crawford Street, Rochdale. Oct. 24, 1932, No. 29652. [Class 51 (i).] An incinerator or refuse destructor of the kind having a travelling grate a on to which the material to be consumed is fed and through which a regulated supply of air for combustion is obtained from forced draught chambers c beneath the grate, is so arranged that the grate travels away from a flue or secondary combustion chamber b and the refuse is dumped on to the grate from one or more overhead charging openings g in proximity to the chamber b. The forced draught chamber is divided by partitions d each compartment receiving air from a fan f by way of branch ducts e. The primary combustion chamber is provided with water cooled side walls k and an air or water cooled dead plate i. The grate discharges onto an elevator-conveyer q in a clinker chamber p where it is cooled by sprayers r. By means of a valve controlled inlet from the chamber p, the fan f serves to maintain a reduced pressure at the outlet end of the furnace chamber and in the chamber p thus preventing the flow of air between the two chambers and the emission of fumes. A suitable form of travelling grate, Fig. 5, comprises perforated plates m secured to brackets n attached to the links of the conveyer chains. Each plate is of a width equal to the pitch of the chain. In a modified form, Fig. 10, the plates m have bosses which pass on to the ends of spindles o connecting the rollers and links of the conveyer chains.
Patent GB-237792-A (GB)
Title: Machines for bending metal rods and the like
IPC: B21D11/10
Filed: 1924-12-10
Abstract: 237,792. Forges Usines et Laminoirs du Plomcot Soc. Anon., and Servais, A. Dec. 10, 1924. Angular bending; dies; making wire urticles.-- Metal rods and bars are bent, particularly to form hooks on one end thereof, by forcing them between two stationary guides by travelling mandrels, a stop being provided for positioning one end of the rod placed across the path of the mandrels and a second stop in rear thereof and adjacent the path of the mandrels being provided for catching the other end of the rod and averting the sideways movement thereof. A series of mandrels 9 are mounted on an endless chain traversed in a slot 6 between two transversely adjustable plates 1. The plates are provided with adjustable die blocks 11 having flared ends 12 which are shaped to the section of the bar to be bent and are provided with flanges to prevent the blanks flying up. The bar is placed across the slot with its end engaging an adjustable stop 16 and is forced through the die by one of the mandrels 9. A longitudinally adjustable stop 17 serves to limit the movement of the long shank of the bar when it is swung inwardly during bending. The length of the hook end is varied by adjusting the position of the stop 16 and the spacing between the limbs is varied by adjusting the die blocks by screws 14 and by the use of mandrels of various sizes.
Patent GB-715493-A (GB)
Title: Improvements in or relating to plate type heat exchangers
Inventor: DICKSON RONALD
IPC: F28D9/00
Filed: 1951-12-19
Abstract: 715.493. Plate heat - exchangers. IMPERIAL CHEMICAL INDUSTRIES, Ltd. Dec. 19, 1952 [Dec. 19, 1951], No. 29726/51. Class 64(3)  In a heat-exchanger comprising plates 1 spaced apart by and bonded to intervening spacers 2, the spacers have, in cross-section, at least one diagonal member which braces or supports the assembly against shear forces applied thereto, e.g. by fluid pressure differences. The cross-sectional shape of the spacers 2 may be in the form of a Z or an X. In the arrangement shown secondary surfaces 9 are provided.
Patent GB-971339-A (GB)
Title: Improvements in yarn guides
IPC: D04B15/58
Filed: 1961-08-17
Abstract: 971,339. Knitting machines. ACE ENGINEERING CO. Aug. 17, 1961 [Sept. 7, 1960], No. 29791/61. Heading D1C. A yarn guide, e.g. a knitting machine throat plate, comprises a base member 10 abutting a ceramic insert member, one member having one or more tongues, 42, 44, to engage one or more recesses, 74, 76, in the other member, aligned apertures 46, 78 being provided in the or each tongue and an adjacent part of the other member to receive a pin 80. Preferably the apertures 78 are only provided at one side of the recesses 74, 76. As shown, member 10, e.g. of steel, nylon or steel reinforced nylon, has apertures 30, 32 by which it is attached to the knitting machine latch ring. A filler, preferably an adhesive is placed between the insert and base members.
Patent GB-141639-A (GB)
Title: Improved liquid raising apparatus
IPC: F02M37/02
Filed: 1919-12-02
Abstract: 141,639. Busby, L. R. Dec. 2, 1919. Vacuum apparatus.-Relates to apparatus for raising petrol &c. from a storage tank to a service chamber, from which it is supplied by gravity to a carburettor &c., and consists in controlling the suction and atmospheric connexions of the suction chamber by needle or slide valves actuated by a single float and contained in or sliding on a tube or the like passing vertically through the suction chamber. As shown in Fig. 1, the service vessel 5 contains the suction vessel 4. A single cover 2 serves for the two vessels, is bolted to a flange on the vessel 5, and is screwed to a rod or tube which traverses the vessel 4 as described below. The suction vessel 4 communicates by a passage 19 with the upper part of the vessel 5 which is open to the atmosphere, and has a hinged or other non-return valve 14 for the delivery of the petrol to the service vessel. A tube 6 traverses the vessel 4, and can be put in communication with the suction tube 8 through a passage 17, with the atmosphere through passages 18, 19, and with the vessel 4 through valved orifice 14. The passages 17, 18 are controlled by a doubleended needle valve 15, which is actuated by a float 21 sliding on the tube 6. When the vessel 4 is empty, the float falls, and the needle valve closes the passage 18 and opens the passage 17, so that the vessel is exhausted by the engine suction and petrol flows up from the tank through the branch 9 and tube 12. When the petrol has reached the desired level the float rises, closes the suction passage 17 and opens the atmospheric passage 18, whereupon the petrol flows through the orifice 14 into the vessel 5. In a modification, the tube 6 is replaced by a rod which is bored axially at each end, the inner end of each bore communicating with the vessel 4 by radial openings which are controlled by a sleeve valve carried by the float. Or a needle valve may control the suction connexion and a sleeve valve the atmospheric connexion.
Patent GB-391488-A (GB)
Title: Improvements in processes for producing polished surface effects
IPC: B05D3/12
Filed: 1931-10-29
Abstract: A polished coating is obtained on surfaces such as those of advertising tablets, show cards, metal, furniture, fabrics, &c. by applying at least two superposed coatings and submitting the coated surface to pressure against a polished surface.  The coatings may be formed by applying solutions of shellac, natural or synthetic resins, celluloid or cellulose derivatives, or by applying films which may be softened by treatment with a solvent. Porous or permeable surfaces may be coated first with glue or size.  The coated surface is pressed against a polished hard surface such as a sheet of glass or is passed between heated rotating rollers one of which is polished, or may be pressed against a polished mould which may be heated.  The surface of the first coating may be decorated or printed upon before applying the second coating.
Patent GB-430290-A (GB)
Title: An improved drop bottle and receptacle therefor
IPC: B65D1/06
Filed: 1934-10-19
Abstract: 430,290. Bottles. BERLIN, C. E., 20, Rue de la Paix, Paris. Oct. 19, 1934, No. 30024. Convention date, July 10. [Class 125 (i)] A drop bottle for dispensing or measuring perfumes, medicines and other liquids to be delivered in small quantities comprises a bottle a with a fine orifice (not shown) in the part b closed by a cap h preferably threaded and provided with a cork filling i. The cap serves also as a closure to a protective casing d provided with a detachable base g for renewing the bottle a. Owing to the fine orifice, the bottle has to be shaken to obtain the contents and unauthorized refilling is prevented.
Patent GB-1102853-A (GB)
Title: Production of cyclododecene
IPC: C07C5/05
Filed: 1966-07-05
Abstract: Cyclododecene is produced by continuously feeding 1,5,9-cyclododecatriene containing at least 5 weight per cent dicobalt octacarbonyl (based on the triene) together with hydrogen to an elongated reaction zone maintained at 150-250 DEG  C. and a pressure of at least 1000 p.s.i.g., and maintaining the mixture in the reaction zone for 1-10 minutes but before the formation of elemental cobalt.  The process may be carried out in two reaction zones, spent catalyst being removed from the mixture leaving the first zone, and at least 1% of fresh catalyst being added thereto before introduction into the second zone.  A diluent may be present, e.g. an aromatic or saturated aliphatic or cycloaliphatic hydrocarbon, toluene being used in the examples.