baber/WOPTO huggingface dataset:
Patent GB-1501445-A (GB)
Title: Silica-containing porous bodies of controlled pore size
IPC: C01B33/32
Filed: 1975-02-06
Abstract: 1501445 Porous bodies CORNING GLASS WORKS 6 Feb 1975 [8 Feb 1974] 5068/75 Heading C1A A method of making a porous silica-containing body exhibiting a compressive strength greater than 50 p.s.i., having a pore diameter ranging from 100 Š to 1 micron, and wherein at least 80% of the pores therein fall within Œ30% of the average pore diameter value comprises: (a) providing solutions having apH of from 10 to 15 and containing from 1 to 12 moles SiO 2 /litre in solution from silicate solutions selected from lithium polysilicate, sodium silicate, potassium silicate, quaternary ammonium silicate and colloidal silica; (b) combining the said solutions in one of the indicated proper proportions equivalent to: (A) a weight ratio of from 19:1 to 1:4 potassium silicate solution to colloidal silica solution, wherein the said potassium silicate solution consists essentially of 8À3% K 2 O, 20À8% SiO 2 , balance H 2 O and the said colloidal silica solution consists essentially of 40% SiO 2 , balance H 2 O; (B) a weight ratio of from 1:9 to 1:3 sodium silicate solution to colloidal silica solution, wherein the said sodium silicate solution consists essentially of 6À8% Na 2 O, 25À3% SiO 2 , balance H 2 O and the colloidal silica solution is that defined in (A); (C) a weight ratio of from 9:1 to 1:4 potassium silicate solution and/or sodium silicate solution to quaternary ammonium silicate solution, wherein the said potassium silicate solution is that defined in (A), the said sodium silicate solution is that defined in (B), and the said quaternary ammonium silicate solution consists essentially of 9À9% quaternary ammonium ions, 45% SiO 2 , balance H 2 O; (D) a weight ratio of from 19:1 to 1:4 potassium silicate solution and/or sodium silicate solution to lithium polysilicate solution, wherein the said potassium silicate solution is that defined in (A), the said sodium silicate solution is that defined in (B), and the said lithium polysilicate solution consists essentially of 2À1% Li 2 O, 20% SiO 2 , balance H 2 O; in the absence of other oxide species soluble in the solutions; (c) reacting an organic compound therewith selected from formaldehyde, paraformaldehyde, formamide, glyoxal, methyl formate, ethyl formate, methyl acetate, ethyl acetate, and mixtures thereof, at a temperature of from the freezing point to the boiling point of the solution for a sufficient period of time to polymerize the silica into a coherent, porous gelled body and; (d) leaching the said gelled body with a weakly acid solution. The body may also contain up to 70% by weight of an unreactive particulate material passing a 200 U.S. Standard Sieve selected from Alumina, Titania, Zirconia, Carbon, Silicon Carbide, Silicon Nitride, Iron Oxides and catalytically active transition metal oxides, or carbon-containing materials, preferably colloidal carbon, which are subsequently burnt out in a firing step at 600-800‹ C.
Patent GB-766514-A (GB)
Title: Storage system using ferroelectric condenser
IPC: G11C11/22
Filed: 1955-02-21
Abstract: 766,514. Electric digital-data-storage apparatus. INTERNATIONAL BUSINESSMACHINES CORPORATION. Feb. 21, 1955 [Feb. 24, 1954], No. 5114/55. Class 106 (1). ). [Also in Group XXXIX] In a digital-data-storage device, a ferroelectric cell has one terminal connected to a diode " and " gate by which a binary unit may be registered in the cell. Several cells F may be arranged in a two-dimensional matrix. Writing-in is effected by simultaneously applying positive pulses to appropriate horizontal and vertical leads, e.g. h<SP>1</SP>, v<SP>1</SP>. Normallyconducting diodes h<SP>1</SP>1, v<SP>1</SP>1 at the intersection of the leads are thus blocked so that a positive pulse is applied to the corresponding cell from a source 12 over a diode 11 and resistance 17. Reading-out is effected column by column, negative pulses being applied to column leads, e.g. V<SP>1</SP>. Such a pulse renders the source 12 ineffective and consequently negative pulses from a source 14 are applied over diodes 20 to the cells F of the corresponding column. The cells of a row are each connected in series with a common condenser, e.g. C', across which the output pulses are developed. A three-dimensional matrix, Figs. 3 and 4 (not shown), is also described. Specification 717,104.is referred to.
Patent GB-1077153-A (GB)
Title: Apparatus for strip-by-strip rectification of photograms
Inventor: HARTWIG HORST
IPC: G01C11/00
Filed: 1965-02-05
Abstract: 1,077,153. Rectification of photograms. CARL ZEISS JENA VEB. Feb. 5, 1965, No.5120/65. Heading G1F. Apparatus for strip by strip rectification of photograms comprises a photogram carrier 2, a record support 7 for the rectified image, a slot 6 for defining the strip to be rectified and means to produce relative motion between the slot and the record support 7 both along the direction of the strips and at right angles thereto, the carrier 2 and support 7 being displaced relative to each other by a constant value along the direction of the strips, and the shifting from one rectification strip to the next being accompanied by an additional relative displacement in the same direction at the end of each rectification strip, one strip being rectified in the forward and the adjacent strip in the return motion. The carrier 2 is mounted on the object side of an objective lens 1 and is moved along the direction of the rectification strips by a travelling nut 5 on a spindle 4 driven by a motor 3. The rotations of the spindle 4 are transmitted via a signal transmitter 10 to a motor 13 driving a spindle 8 on which travels a nut 9 carried by the record support 7. At the end of each rectification strip the nut 9 actuates a contact 18 or 20 which is effective in either energizing or deenergizing a solenoid 22. The solenoid actuates a lever connected to a compensator 14 in the drive to the spindle 8 to effect an additional displacement of the nut 9 and thus the support 7 in the.direction of the rectification strip. This is carried out at the end of each run and as described is effected using planetary gearing. In an alternative arrangement the solenoid can be made to alter the inclination of a parallel glass plate interposed in the line of the slot 6. In this case the image of the photogram on the carrier 2 is displaced and not the support 7 itself. It is also stated that this additional movement may be effected by use of a rotating- field electrical remote-signalling system. The means for moving the carrier 2 and support 7 at right angles to the direction of the rectification strips is not described.
Patent GB-315477-A (GB)
Title: Improvements in mechanical kilns
IPC: F27B9/24
Filed: 1928-04-14
Abstract: 315,477. Balz-Erzr÷stung Ges., and Balz, G. April 14, 1928. Divided on 317.341 and addition to 288,823. Roasting-furnaces.-In the superposed hearth roasting-furnace described in the Parent Specification the hearths are provided on their lower surfaces with deflectors in the form of rings or segments of fire and acid proof material for directing the roasting-air on to the charge. The muffle beneath the lowest hearth is formed of shaped blocks jointed together by loose material such as sand and clay, and consists of three concentric walls 60, 63, 58, and bottom and top floors 56, 57. A diametral wall 66 and partitions 69, 70 further divide the structure into two sets of communicating chambers, to which heating gases are admitted through ports 67, and ex. hausted through ports 68, the path taken by the gases being shown by the broken line arrows. The top courses of bricks 64 forming the concentric walls are extended to provide supports for the floor 57.
Patent GB-490768-A (GB)
Title: Improvements in the hydrogenation of polymerisation products of unsaturated hydrocarbons
IPC: C07C5/03
Filed: 1937-02-23
Abstract: Polymerization products of unsaturated hydrocarbons are hydrogenated in two stages, in the first of which organic sulphur compounds are destroyed.  The first stage is preferably effected with a catalyst immune from sulphur poisoning such as a metal of the 8th group, but alternatively a catalyst which has been partly poisoned by previous use in the second stage may be used.  The catalyst used in the second stage may be liable to sulphur poisoning as, e.g. nickel, or immune as, e.g. the sulphides of 6th group metals.  The first stage is preferably effected in a number of converters in parallel, and the second stage in a single converter.  Between the stages impurities may be removed by washing with water or alkali.  The reactions may be carried out in liquid or gaseous phase with or without increased pressure and usually at temperatures of 170-350 DEG  C.  The catalysts may be rigidly arranged, mounted on carriers, or suspended. Examples are given of the conversion of di-isobutylene into iso-octane using nickel catalysts.  Specification 315,439, [Class 1 (i)], is referred to.ALSO:Polymerization products of unsaturated hydrocarbons are hydrogenated in two stages, in the first of which organic sulphur compounds are destroyed.  The first stage is preferably effected with a catalyst immune from sulphur poisoning such as a metal of the 8th group, but alternatively a catalyst which has been partly poisoned by previous use in the second stage may be used.  The catalyst used in the second stage may be liable to sulphur poisoning as, e.g. nickel, or immune as, e.g. sulphides of 6th group metals.  The first stage is preferably effected in a number of converters in parallel and the second stage in a single converter. Between the stages impurities may be removed by washing with water or alkali.  The reactions may be carried out in liquid or gaseous phase with or without pressure and usually at temperatures of 170-350 DEG C.  The catalysts may be rigidly arranged, mounted on carriers, or suspended.  Examples are given of the conversion of diisobutylene into iso-octane using nickel catalysts.  Specification 315,439, [Class 2 (iii)], is referred to.
Patent GB-917691-A (GB)
Title: Improvements in or relating to clothes airers
IPC: D06F57/08
Filed: 1958-02-19
Abstract: 917,691. Clothes-airers. TIPPING, W. F. May 12, 1959 [Feb. 19, 1958], No. 5461/58. Class 52 (5). A clothes airer comprises frames 11, 12 pivotally connected together by a vertical tie rod passing through aligned apertures in crossbars 15, 16 and secured by nuts 18. Hubs 21, rotatable on the tie rod, carry wooden clothessupporting arms 23, and one or more tubular electric heaters 27 and drip trays 25 are detachably hooked to the cross-bars. Inserts 20 and feet 19, both of rubber, are provided. In a modification the arms 23 are replaced by a cord or wire arranged spirally, or as separate sections, in horizontal planes and passing through apertures in the bars 15, 16, the cord &c. becoming taut when the frames are positioned at right angles to each other.
Patent GB-363228-A (GB)
Title: Improvements in liquid filters
IPC: B01D35/02
Filed: 1931-02-21
Abstract: 363,228. Filters. ELECTROLUX, Ltd., 155, Regent Street, London.-(Platen- Munters Refrigerating System Aktiebolag ; 2, Norrmalmstorg, Stockholm.) Feb. 21, 1931, No. 5520. [Class 46.] A filter, specially adapted for the cooling water conduits of refrigerating machines, comprises sleeve members 2, 5 adjustably connected to form a substantially cylindrical body, a spiral spring 8 bearing against the sleeves at opposite ends, and a filter cloth 14 surrounding the spring. The liquid enters through the lower sleeve, filters outward through the spring and cloth and passes away through radial channels in a plug 6 and the sleeve 5.
Patent GB-466439-A (GB)
Title: Improvements in or relating to the hydration of higher o'efines
IPC: C07C29/04
Filed: 1936-02-25
Abstract: Olefines containing three or more carbon atoms are converted into the corresponding alcohols by continuously subjecting the olefine and water to contact with an inorganic polybasic acid of not more than about 40 per cent strength at a pressure sufficient to maintain substantially all the olefine in the liquid state and a temperature that ensures a partition of the produced alcohol between the unchanged liquid olefine and the acid sufficiently in favour of the former to render separation practicable by continuous separation of the hydrocarbonalcohol layer from the acid layer, such temperature ranging from 50--150 DEG  C.  The alcohol is recovered from unchanged olefine and the latter returned to the process with fresh water.  The concentration of the aqueous acid is maintained constant.  Sulphuric, phosphoric, and arsenic acids, or oxygenated sulphur-containing acids such as dithionic acid may be used.  With propylene, a pressure of about 40 atm., temperature of about 80 DEG  C., and 30--40 per cent sulphuric acid are suitable; for butylenes, 15--20 atm., 100 DEG  C., and 20--40 per cent sulphuric acid; and for higher olefines such as amylene or diolefines such as 1,3 butadiene, up to about 20 atm., 100--150 DEG  C., and 10--15 per cent acid.  In an example, liquid trimethylethylene is pumped at 10--15 into the bottom of a packed tower containing 15 per cent sulphuric acid at at 120 DEG  C., the concentration of which is maintained constant by addition of water. The unchanged olefine layer containing tertiary amyl alcohol in solution is continuously drawn off.  Specification 462,576 is referred to.
Patent GB-306902-A (GB)
Title: A process for the metallisation of thermally unstable substances, more particularly of organic electrically insulating substances
IPC: H04R31/00
Filed: 1929-02-20
Abstract: 306,902. Siemens & Halske Akt.- Ges. Feb. 27, 1928, [Convention date]. Condensers, - Substances, such as organic insulators, which are unstable at slightly raised temperatures e.g. above 400‹ C. are coated with metal by deposition from the vapour of a volatile compound such as iron or nickel carbonyl, the substance being heated to the decomposition temperature of the compound. The body to be coated, heated at the required parts, and if desired, cooled at others, may be moved relatively to a nozzle delivering the compound, or the bodies may be stacked in or moved through a tank containing an atmosphere of, or traversed by a current of the compound. Foils of insulating material coated may be used for condensers. Reference has been directed by the Comptroller to Specification 21025/90, [Class 82, Metals and alloys].
Patent GB-1168341-A (GB)
Title: Rug Scrubbing Machines with Foaming Devices
IPC: A47L11/32
Filed: 1967-02-07
Abstract: 1,168,341. Carpet cleaners. SINGER CO. 7 Feb., 1967 [10 Feb., 1966], No. 5709/67. Heading A4F. A machine for scrubbing and shampooing carpets, rugs, etc., comprises a fixed chassis 17, a drive shaft 19 and a pair of sponges 61 to which are glued plastics wobble plates 62, cam blocks 34 engaging the surface of each plate 62 and supporting cups 40 which receive and distribute shampooing liquid to the sponges. An electric motor 18 rotates shafts 31 of the cam blocks via gearing 21-24, 26-28 so that the rotation of the blocks alternately squeezes and relaxes each portion of the annular sponges 61 which are glued to a plate 45. Shampooing liquid is supplied to the cups 40 through pipes 72 from a container (not shown), the liquid being forced through holes 42 in the cups by centrifugal force. The holes 42 are arranged so that the sponges are relaxed when they receive the liquid and are then squeezed by the cam blocks so that foam is deposited on the carpet or rug being cleaned by brushes 38.
Patent GB-198410-A (GB)
Title: Improvements in and relating to manufacture of printing plate matrices
IPC: B41C3/02
Filed: 1922-02-27
Abstract: 198,410. Alexander, A. E., (Stokes, J. S.). Feb. 27, 1922. Printing-surfaces; electrotype.-Relates to the method of making matrices for the production of electrotype or moulded printing-plates, in which the original, such as a type forme, is pressed into a mass of metal heated to a plastic or to a completely fluid state, and removed after the metal has cooled, and consists chiefly in the use of a separating medium between the original and the metal to facilitate the removal of the original and prevent oxidation of the heated metal. Fig. 4 shows one form of press for making the matrices, comprising hollow platens 9, 11 which with side bars 15 form an air-tight chamber 17 when the press is closed. The matrix metal, preferably an alloy of 6 parts of lead, 6 parts of tin and 1 part of bismuth, is placed, in solid form or previously melted, in a pan 2 upon the bottom platen 11 which is heated by steam to melt the metal or keep it in melted condition. An oily substance such as paraffin is applied to the surface of the metal to prevent oxidation and facilitate the subsequent removal of the type forme T. This type forme is then placed upon the metal, the depth of penetration being limited by bars 8 which rest upon the bottom of the pan. The press is then closed, the steam cut off, and cold air under pressure admitted to the chamber 17 through a pulsating valve 19 to force the molten metal up into close contact with the type face and to solidify it. In another form of press, Fig. 5, the forme T' is secured to a steam-heated stationary upper platen 31 between fixed and adjustable bars 34, 35 and the pan 39 of molten metal, coated with paraffin, is placed on a sheet of asbestos 38<1> resting on the lower movable platen 30. When the metal has cooled to a plastic condition, the steam is cut off from the upper platen, and the press closed to force the metal against the forme T<1>, the penetration being limited by bars 40, 41. Cold air or water may then be admitted to the upper platen. The matrices so prepared may be provided with an electrolytic coating. Before being pressed into the metal, the formes may receive a thin electrolytic coating which is given a further coating of a weak solution of iodine or pyrogallic acid and a final coating of graphite. Make-ready strips may be placed at the bottom of the metal pan if it is desired to produce printing-plates made ready for printing.
Patent GB-566794-A (GB)
Title: A new or improved gauging or marking-out instrument
IPC: G01B5/06
Filed: 1943-04-13
Abstract: 566,794. Ganging and marking out instruments. MARSHALL, J. H. April 13, 1943, Nos. 5886 and 7173. [Class 61 (ii)] [Also in Group XIX] In a gauging instrument of the kind comprising a pair of spaced guides in fixed relationship, an elongated element carried non-rotatably in the guides and movable in the direction of its length by a micrometer screw associated with one guide and an adjustable gauging member mounted on the element and co-operating with a stationary abutment in performing a gauging operation, the elongated element engages with guides at each of its ends. The instrument comprises a pillar 11 supported in a base-plate 10 and having a projecting arm 12, upper and lower guides for the elongated element 36 being provided in the base 10 and arm 12. The element 36 comprises a pair of spaced parallel strips which are longitudinally movable in the guides by a micrometer screw associated with the upper guide. The element 36 carries a gauging or marking-out member 51 adjustably mounted thereon. The micrometer head 24 is provided with a screw 21 extending through the screwed end of the guide sleeve 18 and having a flange 26 which engages with a screwed cap 28 secured to the screwed upper end 29 of the element 36. The end of the screw is spherical and engages with a spherical recess 30 in the upper end 29 of the element 36. Operation of the screw in either direction causes longitudinal movement of the element 36 in its guides. The gauging or scribing member 51 is carried on a plate 37 provided with recesses engaging the element 36 and a shank extending between strips of the element and provided with a screwed extension and nut 48 which forces a washer having a pair of spaced recesses into engagement with the strips to clamp the gauging member in position. Holes 42 in the element 36 are provided to receive a pin 43 of the gauging member 51 for rough adjustment. Instead of holes 42, spaced notches may be provided. The element 36 may consist of a single strip. The base 10 may be provided with an abutment 50 for co-operating with the member 51. The instrument may be used as a depth gauge by mounting on the gauging member a pin 45, Fig. 8.
Patent GB-1048742-A (GB)
Title: An improved apparatus for fluid projection
IPC: B05B15/68
Filed: 1964-02-12
Abstract: 1,048,742. Spray-producers. ETABLISSEMENTS A. SISSON-LEHMANN. Feb. 12, 1964 [July 10, 1963], No. 5892/64. Heading B2F. In a spraying apparatus a nozzle tube 1 fitted with a nozzle 2 is rigidly attached to a piston 3 which travels inside a cylinder 4. The piston, which has passages 7 affording fluid communication between the interior 8 and a pipe 9, divides the cylinder into front and rear chambers 5, 6. The latter chamber communicates through a pipe 10 with a three way cock 11 hand controlled by a lever 12. In operation, pressure fluid is fed via a valve 19 and the pipe 9 into the chamber 5 prior to passing to the nozzle 2 through the passage 7 and the tube 1. If the lever 12 of the cock 11 is moved to position 'A' pressure fluid enters the rear chamber 6 via a pipe 10 and thus moves the piston 3 and hence the nozzle 2 forwardly. The speed of advance may be controlled by partially closing the cock 12 and also by the setting of a pressure limiting valve 18 in the rear wall of the chamber 6. The nozzle 2 is held at any given projection by moving the lever 12 to a position 'B' where the cock 11 closes the fluid supply to the chamber 6. In position 'R' the lever 12 sets the cock 11 such that the fluid in the chamber 6 is released thereby allowing the nozzle tube to retract such retraction arising from internal fluid reaction in the chamber 5. The fluid passes from the chamber 6 through a pipe 17 and after being treated in equipment 15 is passed to an opening 16 in which the tube 1 slides for cleaning and/or lubricating the external surface of the tube.
Patent GB-471128-A (GB)
Title: Improvements in or relating to modulated carrier wave transmitters
IPC: H03C1/20
Filed: 1936-02-27
Abstract: 471,128. Valve modulating circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., GREEN, E., and CLOUGH, N. H. Feb. 27, 1936, No. 5933. [Class 40 (v)] .In a modulated carrier wave transmitter the fmal modulator is preceded by a coupling valve stage giving no voltage amplification but serving solely as a generator of low impedance so that the final modulator may run into grid current without causing serious distortion. Fig. 2 shows a choke modulator V1 fed by an auxiliary amplifier V<1>1 of low internal resistance having a choke L2 in the cathode lead. In a modification the source to be modulated is in series in the anode circuit of the modulating valve V1, Fig. 3 (not shown). The amplifier preceding the modulator may be directly coupled. Fig. 4 shows a series modulating arrangement in which the modulated source R is in the cathode circuit of the modulating valve. The auxiliary amplifier V<1>1 has an additional anode supply HT2 and is coupled to the modulating valve by the cathode resistance R5. An additional valve V<11>1 is provided to give coupling to the auxiliary valve V<1>1 to which variable grid bias may be applied to give "floating carrier" action. Fig. 7 shows a valve VF rectifying the audio frequency which is byepassed by condenser CF and varies the bias of the modulator V1. Instead of the tapped choke CH a transformer may be employed in the input to the modulating valve V1 or alternatively a tapped resistance may be employed. A quiescent or other push-pull system may be used the circuit being duplicated and the output fed through a transformer the secondary of which is in parallel with the modulated source. The output transformer in the case of a push-ull system may be in the anode circuits of the modulating valves, Fig. 8 (not shown), or in the cathode circuits of these valves, Fig. 9 (not shown).