baber/WOPTO huggingface dataset:
Patent GB-600316-A (GB)
Title: Improvements in apparatus for coating optical elements such as lenses
Filed: 1944-11-14
Abstract: 600,316. Optical systems. RADIO CORPORATION OF AMERICA. Nov. 14, 1944, No. 22453. Convention date, Nov. 22, 1943. [Class 97 (i)] [Also in Groups II and XV] Apparatus for coating optical elements such as lenses in vacuo comprises an evacuable container enclosing a plurality of evaporation sources movable selectively into alignment with the work holder by means operable from outside the container. Thus successive coatings of materials such as magnesium fluoride or zinc sulphide may be applied. A holder 13, Fig. 1, carrying the element to be coated is supported on a ring 15 within an evacuated bell-jar 11 and carries a magnet 14 by which the holder may be rotated from outside the jar. The material to be evaporated is carried in platinum or molybdenum boats 16, 17, 18 on a plate 19 carried by an arm 20 pivoted to a supporting lug 12. The arm 20 carries an extension 23, Fig. 3, having a slot engaging a pin 24 carried on an arm 21 pivoted at 25 and bearing a magnet 22, Fig. 1. By means of an external magnet M the arm 21 may be moved to position the boats successively in alignment with the holder 13 a spring 29 holding the plate 19 in each position. A shutter 30, shaped as shown in a manner described in the Specification is carried on a ring 31 rotatable on rollers 32 by a shaft 33 operated by magnets 34, 35 and motor 36 to ensure a uniform deposit. The boats are heated electrically or they may be replaced by filaments carrying the coating materials.
Patent GB-1432280-A (GB)
Title: Steam decorticator having a venting value
IPC: F16K1/42
Filed: 1974-05-20
Abstract: 1432280 Steam decorticators P KUNZ 20 May 1974 [24 May 1973] 22491/74 Heading A4C [Also in Division F2] A steam decorticator 1 for peeling fruit and vegetables, e.g. potatoes includes a steam venting valve having a removable seat 7 and a downwardly directed outlet 4 inclined at an angle, e.g. 60 degrees to 90 degrees to the inlet. The valve includes a removable closure plate 9 which is held open by a spring assisted by the entering steam. impinging on the plate, but which can be closed on seat 7 by applying fluid-pressure to an actuator.
Patent GB-1328927-A (GB)
Title: Dumb valets  or gents dressers
IPC: A47G25/06
Filed: 1971-04-19
Abstract: 1328927 Garment hangers R PIEDECOQ 19 April 1971 [5 March 1970] 22594/71 Heading A4U A dumb valet comprises a coat-supporting yoke 5 and a tray 6, secured to a column 1, mounted on a foldable base 2, and a trouserclamping bar 7 mounted on a bar 9 which is spring urged towards a side of the tray and movable away from the tray by operation of a pedal 8 and pulley-directed cables 11 inside the column 1. Rods 3, 4, form a shoe rack. In modifications, the pedal 8 operates a rocking lever against the action of a spring to rotate a cranked shaft engaged in apertures in the member 9 to release the clamp, or the column 1 is wall-mounted, e.g. inside a cupboard, by a foldable support such as a deformable parallelogram.
Patent GB-381279-A (GB)
Title: Improvements in and relating to devices for gumming patterns on supports
IPC: B31D1/00
Filed: 1931-08-11
Abstract: 381,279. Copying documents, drawings, &c. OSER, A., 16, Gonzagagasse, Vienna. Aug. 11, 1931, No. 22694. [Class 100 (ii).] A machine for gumming patterns and vignettes on to cards comprises a vertically reciprocating head on which the card is placed and beneath which is a horizontally movable slide carrying a container for stacks of patterns &c. and a gumming device, the latter comprising an adhesive container fitted with hard felt &c. pads having the same outline as the patterns etc.; the vignettes may be replaced by a printing surface, the pads therefor then dipping into alcohol. The card 10, Fig. 4, is placed under a plate 8 on a treadle-operated head, being retained thereon by fingers 9 mounted on a cross member 12 which can be raised against the influence of a spring 13 by means of cams 14 ; the cams are operated by levers 16 connected by a three-armed member 18 fitted with a roller 19 engaging one or other of members 26, 48, Fig. 1, on the slide 4. The fingers 9 are pivoted and are interconnected so as to pivot together, one being fitted with a pin 23 adapted to engage a catch 49 on the pattern holder. The latter, as shown in Figs. 6 and 7, comprises a spring-supported member 6 having compartments for stacks of patterns 31 and vignettes 32. The stacks are supported on piston members 37 which, when the container is subjected to the downward pressure under the head 8, press the patterns &c. on to the previously gummed card. The gumming device comprises an adhesive container 5 in which the pads 24, shaped to the contour of the patterns and projecting slightly above the top of the container, are retained by pins 25. The card is placed in position and the slide 4 moved so that the gumming appliance is beneath the head, as shown in Fig. 1. The treadle 2 is then depressed and the card is pressed against the gumming appliance, the roller 19 during this movement engaging the cam 26 to cause the fingers to grip the card on to the plate 8. The slide is then moved to the left to bring the pattern holder under the gummed card which is again depressed. The card is pressed on to the patterns and the edges of the card snap behind spring-influenced hooks 43 on the slide 4 to retain the card on the pattern holder, the roller 19 engaging the cam 48 to depress the fingers 9. As the head moves upwardly the pin 23 on the finger 9 engages a pivoted cam 49 whereby the interconnected fingers 9 are moved outwardly so as not to engage the card. On moving the slide to the right, a lever 45 operating the hooks 43 is engaged by a stop 47 to move the hooks outwardly and release the card. At the same time a spring-mounted lever 56 engages an inclined spring member 59 to tension the spring ; as soon as the lever passes the member 59 it snaps upwardly and strikes an extension 55 on a hinged three-sided frame 54 which lifts the card. At one end of the base 3 is a hood 7 for the gumming device when out of use. The hood is provided with an absorbent lining 62 kept moist by wicks 63.
Patent GB-430614-A (GB)
Title: Process for the manufacture of azodyestuffs insoluble in water
IPC: C09B29/20
Filed: 1934-08-03
Abstract: Azo dyes; azo dyes, forming upon the material.--Azo dyes insoluble in water are manufactured in substance or on the fibre by diazotizing aromatic bases of the general formula <FORM:0430614/IV/1> where R and R1 are aryl, alkyl or aralkyl radicles and X1 and X2 are hydrogen atoms or aryl, alkyl or aralkyl radicles, and coupling with the arylides of b -hydroxynaphthoic acid.  In examples, cotton yarn is impregnated with the 4 - chloro - o - anisidide, a - and b  - naphthylamides of 2 : 3-hydroxynaphthoic acid and developed with diazotized 1-methoxy-2-benzoylamino - 4 - diethylsulphonamido - 5 - aminobenzene, yielding Bordeaux, garnet, and corinth shades respectively.  Specifications 6379/12, [Class 2 (iii)], 17279/13, 279,146, and 303,838, [all in Class 15 (ii)], are referred to.  The bases employed as diazo components above are manufactured by subjecting a compound of the general formula <FORM:0430614/IV/2> to nitration in an organic solvent and reducing the resulting nitro-compounds.  In an example, 1 - methoxy - 2 - benzoylamino - 4 - diethylsulphamidobenzene (obtained by the action of diethylamine on the corresponding sulphochloride) is nitrated in chlorobenzene solution and the product is reduced by iron and acetic acid.  The Specification as open to inspection under Sect. 91 comprises in general the use of any coupling components having an affinity for cotton, the following being additionally specified: the arylides of hydroxyanthracenecarboxylic acids and of hydroxycarbazolecarboxylic acids and the diacetoacetyl derivatives of p-diamines of the diphenyl series.  This subject-matter does not appear in the Specification as accepted.
Patent GB-253758-A (GB)
Title: An apparatus for the mechanical solution of certain trigonometrical problems
IPC: G01C21/20
Filed: 1925-09-15
Abstract: 253,758. Addison, H., and Luard, W. B. Sept. 15, 1925. Plane-trigonometry calculators. - Vector or other triangles are solved by means of three arms e, f, g pivoted centrally on a graduated disc a and provided with cursors co-operating with linear scales and interconnected by a pantograph or other linkage k. The scale on the resultant arm f may be half those on the other arms, or a second pantograph may be applied to the arm f to give readings on a scale of the same dimension as the other scales. The instrument may be encased in a cylindrical box, the cover of which is divided and hinged along a diametral line d.
Patent GB-739121-A (GB)
Title: Improvements relating to buttons, guarantee seals and badge devices
Inventor: RAYMOND ALBERT VICTOR
IPC: A44B1/42
Filed: 1953-08-24
Abstract: 739,121. Badges. RAYMOND, A. Aug. 24, 1953, No. 23343/53. Class 73. [Also in Group VII] A button, badge or guarantee seal for attachment to an article by prongs passed through material and clenched comprises a body 1 having a nipple 2, shoulders 3 and prongs 4 depending from the shoulders and an annulus, e.g. in the form of a cup 5 with inwardly inclined walls 6 secured to the body by deforming the nipple 2 after passing it through the aperture in the annulus so as to engage the shoulders. A plastic head may be moulded into and around the cup 5.
Patent GB-1497767-A (GB)
Title: Mould for injection moulding or transfer moulding of rubber and other thermally hardenable plastics materials
IPC: B29C45/73
Filed: 1976-06-07
Abstract: 1497767 Injection mould CONTINENTAL GUMMI-WERKE AG 7 June 1976 [7 June 1975] 23410/76 Heading B5A In an injection mould for rubber or other heat settable materials comprising two plates 1, 2 which are at different temperatures in use and-an injection nozzle 5 which passes through the cooler plate 1 and into the hotter plate 2, the plates are thermally insulated by a gap 8 through which coolant, e.g. air is passed and a pressure member 3 having high strength and relatively poor thermal conductivity, e.g. of titanium alloy encloses the injection nozzle and holds the plates apart. A light metal plate 9 with a reflective lining 19 reduces heat transfer, and a gap 7 around the nozzle becomes filled with moulding material to insulate it from the pressure member 3. Air from passage 10 passes through helical slots 11 in the pressure member into the gap between the plates.
Patent GB-774260-A (GB)
Title: Improvements in or relating to a heat exchange apparatus
IPC: F28F13/06
Filed: 1955-08-15
Abstract: 774,260. Heat exchangers. COMBUSTION ENGINEERING, Inc. Aug. 15, 1955 [Dec. 24, 1954], No. 23421/55. Class 64(3) In a heat exchanger comprising fluidcarrying tubes 14 over which flows a heating gas, a perforate screen surrounds each or a number of tubes and forms therewith a chamber 22 in which is confined a mass of discrete material which is fluidized by the gas flowing over the tube thereby increasing the rate of heat transfer between the heating gas and the tube wall. Figs. 1 and 2 show an arrangement in which each screen 20 surrounds one tube only. Fig. 5 shows an alternative arrangement in which each screen 24 surrounds a plurality of the tubes 14.
Patent GB-951678-A (GB)
Title: Improvements in or relating to composite magnesium products
Inventor: BOGHEN JACQUES
IPC: C22C1/04
Filed: 1961-06-28
Abstract: Magnesium or magnesium based alloy particles are heated in an atmosphere containing at least 5% by volume of CO2 to form a magnesium oxide film on the particles.  The magnesium powder has a particle size range of 1-2000 microns and the heating is preferably effected in dry 90-100% CO2 at 250-600 DEG C., to form an oxide layer 0.01-10 microns thick which constitutes 0.1-20% by weight of the powder.  The heat treatment may be carried out before, during or after compaction of the magnesium powder and the compacted composite body formed may be plastically deformed, e.g. by rolling or drawing in an atmosphere of CO2.  In an example a magnesium alloy containing 0.4% Zr is oxidized in CO2 at 400 DEG C., cold compacted at 40 Kg./mm.2 and then heated to 525 DEG C. under CO2 and extruded.
Patent GB-480711-A (GB)
Title: Improvements in or relating to cathode ray tubes
IPC: H01J29/62
Filed: 1936-08-27
Abstract: 480,711. Cathode - ray tubes. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and LEVIN, N. Aug. 27, 1936, No. 23578. [Class 39 (i)] A cathode-ray tube has a multiple anode electron lens system consisting of a first anode with an apertured plate and a plurality of further anodes each in the form of a cylinder closed by apertured plates, and the anodes are mounted so that the apertured plates are adjacent each other in pairs, the aperture of that plate of a pair which is remote from the cathode being larger than the aperture of the other plate of the pair. In one form, the first anode 3 is arranged close to the cathode 1, and the anodes 4, 10 closed by plates 5, 6 and 11, 12 are spaced along the beam by thin mica sheets 9, 13. The apertures 7, 14 are larger than the apertures 2, 8 respectively. Typical values of voltages, dimensions, spacings and aperture diameters are given. The invention is particularly applicable to high-vacuum tubes with fluorescent screens working with from 500 to 1000 volts on the final anode 10,' and a modulating electrode may be arranged between the cathode 1 and anode 3.
Patent GB-1221134-A (GB)
Title: Production of composite bodies
IPC: E04C2/26
Filed: 1968-05-17
Abstract: 1,221,134. Making non-planar laminates. SWISS ALUMINIUM Ltd. 17 May, 1968 [18 May, 1967 (2)], No. 23648/68. Heading B5N. A non-planar laminate is made by interposing a resin layer between two metal sheets at least one of which has been shaped to a non-planar form and subjecting the assembly to conditions of heat and pressure which render the resin thermoplastic and cause it to fill the space between the sheets and to become bonded thereto, and which do not cause further deformation of the metal sheets. The metal sheet(s) may be provided with parallel undulations, corrugations or ribs; if both sheets are so shaped the undulations &c. in one sheet may be parallel or orthogonal to those of the other sheet. Alternatively one sheet may be flat. Adhesion may be assisted by roughening the metal, coating the resin or metal with adhesive or by interposing an adhesive foil. Pressure may be applied by heated plates. In a continuous method, the metal sheets are shaped in rolling mills, a resin strip is extruded therebetween, the assembly is pressed between rollers or belts and cut into suitable lengths. The metal and resin sheets may if desired be preheated. The metal may be aluminium or an alloy thereof. The resin may be polyethylene or polypropylene, or one which can be hardened after attaining the thermoplastic state, e.g. a mixture of diallyl phthalate prepolymer with monomeric styrene or diallyl phthalate, and may be reinforced.
Patent GB-252597-A (GB)
Title: Improvements in machines for washing gravel, sand, or like material
IPC: B03B5/56
Filed: 1925-09-23
Abstract: 252,597. Southall, J. Sept. 23, 1925. Rotary sieves. - In. a machine for washing gravel, sand, &c., of the type described in Specification 216,024, [Class 82 (ii), Washing granular &c.], comprising a revolving barrel divided by annular division plates into a series of chambers along which the material is caused to travel by means of lifting vanes in each chamber, the material from the washing chambers is delivered into a perforated extension chamber in which it is sprayed and washed. The machine comprises a series of barrel sections 1, 2, 3 separated by annular plates 5, 6, 7 and tapering toward the inlet end. Attached to the plates 5, 6 7 are lifting vanes 26, 28, 30 which lift the material and drop it on to shoots 27, 29, 31 respectively mounted in the central openings by which means it is transferred to the next chamber. The extension 32 comprises graded screens, and water is sprayed into this chamber from a pipe 37 having jets 38. The sifted fine material is delivered through the screen 33 into a settling trough 39, the coarser grades being delivered through the screens 34, 35. The fine material is lifted from the trough 39 by an elevator, preferably of the bucket type, and the overflowing water passes through pipes 46 to a tank 47 into which dip radial tubular arms 48 attached to the section 3 and provided with scoops 49. Rollers 53 mounted on short rocking arms bear on the outside of the screens and serve to dislodge any stones wedged in the perforations.
Patent GB-1373051-A (GB)
Title: Chromium oxide photomask material and the production thereof
IPC: G03F1/68
Filed: 1972-05-19
Abstract: 1373051 Chromium oxide coating ULVAC CORP 19 May 1972 [24 May 1971] 23748/72 Heading C1A [Also in Divisions G2 and B6] Chromic oxide or metallic chromium is heated under an oxidizing atmosphere of O2 or an O2/N2 mixture at a pressure of 0À5 Î 10<-4> to 5 Î 10<-4> Torr and at an O2 partial pressure of 0À1 Î 10<-4> to 5 x 10<-4> Torr to generate a vapour which is deposited on a glass substrate, positioned within the atmosphere, to form a coating of non-stoichiometric chromium oxide.
Patent GB-829668-A (GB)
Title: Improvements relating to zirconium alloys
Inventor: RAINE THOMAS
IPC: C22C16/00
Filed: 1957-07-26
Abstract: An alloy consists of: Cu 0.5-1.5%, Cr or Mo 0.25-1.5%, Zr remainder except for impurities.  Al is restricted to 0.015% and Ti to 0.1%. The alloy is intended for use in contact with CO2 at elevated temperature and it may be heat treated for 2-4 hours between 850 DEG C. and 950 DEG C. followed by quenching and elevating for up to 20 hours at less than 850 DEG C.
Patent GB-1179036-A (GB)
Title: Retained Panel Fastener
IPC: F16B41/00
Filed: 1967-05-23
Abstract: 1,179,036. Panel fastener. STANDARD PRESSED STEEL CO. 23 May, 1967 [6 June, 1966], No. 23795/67. Heading F2H. A shank fastener is retained after disengagement of its mating fastener element in an insert 20 by a resilient ring 75 which is retained in a groove 72 of the insert and engages a groove 81 of the shank of the fastener. The fastener may be internally or externally threaded. For details of the insert see Specification 1,179,037.
Patent GB-336697-A (GB)
Title: Improvements in or relating to holders for towel rollers and the like
IPC: A47K10/38
Filed: 1929-08-03
Abstract: 336,697. Evered & Co., Ltd., and Wilson, A. H. Aug. 3, 1929. Towel rollers.-A holder for toilet rolls and roller towels comprises a roller supported by a means having a screw-threaded engagement with a supporting bracket, and the roller supporting means can be withdrawn from within the roller by engaging it with a key, the end which is engaged by the key being shielded so that a specified key must be used. A toilet roll holder, Fig. 3, comprises a substantially rectangular back plate with holes to screw it to a wall and to which the arms of two substantially U-shaped brackets 8, 9 may be screwed. The arm 8 has a boss with a tapped recess in which is screwed the threaded end of a rod 10 supporting a roller 11. The other end of the rod is square shaped and passes through a hole in a boss in the arm 9 and lies normally with the square end wholly within a sunken recess 9<b> where it can be engaged only by a specified key 12. To renew the toilet roll, the rod is turned by the liey until the screw-threaded end is disengaged from the boss in the arm 8 and the rod then withdrawn from the roller. In a roller towel holder, Fig. 5, the roller 13 is mounted on a spigot 13<a> and a spindle 16, the latter being provided with a screw-threaded section to engage in a tapped recess 17<a> in a boss on a supporting bracket 17, and the inner end of the spindle rides in a tubular insert 13<b> in the roller 13. A square end 16<a> on the spindle 16 lies wholly within the recess 17<a>, and, if the square end is engaged by the specified key and the spindle withdrawn from its bearing in the roller 13, the latter can be taken out. According to the second Provisional Specification, the supporting means comprises two circular back plates each with an outwardly projecting section terminating in a spherical knob.
Patent GB-959302-A (GB)
Title: Liquid filtration process and filter
IPC: B01D35/16
Filed: 1961-07-03
Abstract: 959,302. Filters for liquids. H. MULLER. July 3, 1961 [Sept. 8, 1960], No. 23967/61. Heading B1D. In a process for filtering off the residual liquid from a disc filter with hollow substantially horizontal filter elements in parallel, pervious only on top, the filter cake on the elements from which the liquid has receded when, e.g., the liquid is at a level 17, is sprinkled by residual liquid, which is pumped from the base of the filter tank 1 by a pump 9 through pipes 8, 10, 12 and brought on to the top filter element through a perforated distributing plate 13. Sheet metal guides 15 are used, or a distribution plate can be fitted under each filter plate, to moisten all unimmersed filter cakes. By simultaneously putting the filter under pressure with compressed air or gas, the last remains of liquid can be filtered off, and pressure will not be lost due to drying and cracking of the cake. A pipe 5 at the base of the tank is used to discharge the residue when the filtering process is over. In a modification, for use when only a small amount of liquid is to be used, e.g. the tank one-third filled, a branch duct 19 is connected between the filtrate outlet pipe 18 and the duct 8 and each has a shut off valve 21, 20, 22 respectively, the valves 20 and 22 being shut and the valve 21 opened in operation.
Patent GB-834487-A (GB)
Title: Improvements relating to cranes, grabs and the like
Inventor: FRANKLIN ARTHUR ERNEST
IPC: E02F9/20
Filed: 1957-07-29
Abstract: 834,487. Reels. PRIESTMAN BROS. Ltd. July 29, 1958 [July 29, 1957], No. 23975/57. Class 99(2). [Also in Group XXX] The rope drums 1, 2, of a winch can be driven separately, Fig. 1, from the shaft through clutches 4, 5 for use with a grab, or may be combined, Fig. 2, by means of a strap 9 to form a single winch drum for lifting. Recesses 7 are formed in the adjacent ends of each drum, and in the recesses may be fitted either the said connecting strap 9 or separate flanges 6.
Patent GB-1176349-A (GB)
Title: Improvements in Rocket Motors
Inventor: CHASE MICHAEL JOHN
IPC: F02K9/34
Filed: 1967-05-23
Abstract: 1,176,349. Olefin polymer compositions. IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd., and MINISTER OF TECHNOLOGY. 3 May, 1968 [23 May, 1967], No. 23987/67. Heading C3P. [Also in Division F3] The liner of a rocket motor case comprises a cured elastomer which is a terpolymer of ethylene, propylene and a non-conjugated diene, e.g. dicyclopentadiene or cyclooctadiene; and an inert filler, e.g. silica or asbestos fibres or powder. The liner also comprises chlorosulphonated polyethylene and fillers such as lead chloride, heavy metal halides, and calcium and magnesium hydroxides which will decompose at temperatures near to or above the decomposition temperature of the elastomer. The liner can be made from a composition comprising a terpolymer of ethylene, propylene and dicyclopentadiene; chlorosulphonated polyethylene; silica powder; lead chloride; and plasticizers, curing agents and accelerators comprising triethanolamine, " Coumarone ", zinc oxide, sulphur, dibenzylthiazyl disulphide, di-phenyl guanidine, and stearic acid. Alternatively, the triethanolamine may be replaced by polyethylene glycol and the dibenzylthiazyl disulphide di-phenyl guanidine and stearic acid may be replaced by mercapto-benz-thiazole, tetramethyl thiuram disulphide and zinc diethyldithiocarbamate.