baber/WOPTO huggingface dataset:
Patent GB-250763-A (GB)
Title: Improvements in sterilising devices
IPC: C12H1/20
Filed: 1925-04-28
Abstract: 250,763. Oyama, S. April 28, 1925. Sterilizing liquicls.-A sterilizing device comprises a receptacle 50 provided with a lid 56 and thermometer 52 and adapted to contain a rack 60, the bottom of which is perforated and spaced by lugs 62 from the bcttom of the receptacle. Stems 64 projecting from the bottom of the rack support a frame 66 which is divided into compartments for the separate reception of bottles 5. In use, the receptacle is filled with water to the line 93, and is maintained at a temperature of 180‹ F. for about 30 minutes, after which the contents are gradually cooled by the introduction of cold water.
Patent GB-1046584-A (GB)
Title: Process for applying a reinforced plastic coating to a metal lamp post
IPC: B29C67/00
Filed: 1964-03-16
Abstract: 1,046,584. Lamp posts. ELEKTROTECHNISCHE HANDELS-EN INDUSTRIELE ONDERNEMING J. VAN DEN TOORN N.V. March 16, 1964 [March 15, 1963], No. 11075/64. Heading E1B. [Also in Division B2] In a process for applying a reinforced plastic coating to a tapered metal lamp post, a plaited, knitted or diagonally woven hose is slid over the post and subjected to a tensile force whereby the hose is caused to enclose the post tightly, after which a plastic mass is applied to the assembly while maintaining the tensile force, and subsequently hardened. The hose may be of glass fibres. The plastic mass may be a polyester, epoxy resin or silicone and may contain pigments, fillers such as chalk, catalysts, accelerators, flame quenching ingredients such as antimony white and additives to prevent stickiness such as paraffin wax. The post may be of aluminium (preferably given a prime coat of epoxy resin before applying the hose) or of steel.
Patent GB-669890-A (GB)
Title: Improvements in methods of and apparatus for welding
Inventor: PETERS VLADIMIR
IPC: B23K9/02
Filed: 1950-05-04
Abstract: 669,890. Uniting by fusion. LINCOLN ELECTRIC CO., Ltd. May 4, 1950, No. 11088/50. Class 83 (iv). A method of forming a welded seam between two juxtaposed metallic work-pieces comprises simultaneously traversing and heating the line of juncture between the edges with an electric arc applied to opposite sides of the seam to be formed whereby such edges are fused to form a common pool of fused metal. A tube P is supported for longitudinal traverse on rollers R, Fig. 1, with electrodes on each side of the seam to be welded. Each weld rod W is drawn from a reel 1 by gripping rolls 2 driven by motor 3 through a gear-box 4 whereby the rate of feed may be adjusted. The welding current is taken from terminals 6 and 7 the former being connected to the pipe P. The terminal 7 is connected to flexible tubular welding rod guides T. Operation of the motor 3 is controlled by the welding current through a relay 10 and a switch 11 in one of the armature leads 12 and a push button switch 13 enables the rod to be fed when not welding. The guide T consists of an inner flexible coil of hardened steel wire 15, a multi-strand copper wire sheath 16, and an outer rubber sheath 17. The outlet from each guide T comprises a core 21 carrying a curved tube 22 with a conical extension 23 electrically connected to the sheath 16. The terminal fittings are supported by beams 25 parallel to the seam s both inside and outside the pipe P. During the welding operation the electrodes are immersed in powdered or granular flux carried by inclined endless asbestos belts 27, Fig. 3, forming open trough-like supports supplied with flux from hoppers 30 which are adjustable to determine the depth of the flux layer. Plates 23a prevent the flux from spilling over the edge of the belt. The belts are driven by an electric motor 35 so that the upper rim of the belt travels in the same direction and at the same speed as the workpiece. The inclination of the belts may be varied so that the flux is squeezed against the welded seam to modify the form of the seam surface. Circumferential seams between justaposed ends of the two pipes may be welded by this method, in which case the pipe will be rotated about its axis and the flux will be carried in relatively stationary box-like containers instead of travelling belts. One electrode may be located slightly in advance of the other along the seam and a gaseous protective medium may be used instead of granular flux. Carbon electrodes may be substituted for the metallic electrodes or one or more of each may be used on either side of the seam to be welded.
Patent GB-937408-A (GB)
Title: Improvements in floors, road surfaces and other load carrying structures
IPC: E04B5/06
Filed: 1960-03-29
Abstract: 937,408. Load carrying structures for roads, floors &C. F. R. EBERL. March 29, 1960, No. 11101/60. Classes 20 (4) and 107. A load carrying lattice structure for roads, floors &c., is formed by a plurality of reinforced concrete beams 1, 1a which are arranged side by side and connected at spaced points along their sides by integral dovetail connectors 3, 3a. When forming a roadway the structure may be supported by a prepared sub-grade or, Fig. 19, by means of strip foundations. Transverse holes 5 in the beams are provided for drainage purposes and further holes 7 form a conduit for lighting cables. The beams may be joined endwise, to form a two-lane carriageway, which may be provided with edge beams 12 and small domes 15 of polymethacrylate resin or metal for marking the centre line of the road. The edge beams and domes are formed with glazed openings 11 via which lamps 12 illuminate the roadway. Where the road is curved, the beams are tapered over their length. For bridge building purposes, Fig. 27, a first lower structure forms the bridge span and this is surmounted by a second transverse structure for carrying traffic.
Patent GB-980991-A (GB)
Title: Apparatus for evaporating solid carbon dioxide
Inventor: WHEELEY EDWARD ALFRED
IPC: C01B32/50
Filed: 1962-03-23
Abstract: 980,991. Vaporizing solid carbon dioxide. IMPERIAL CHEMICAL INDUSTRIES Ltd. March 25, 1963 [March 23, 1962], No. 11201/62. Heading B1B. Gaseous carbon dioxide is produced at a substantially constant predetermined pressure from solid carbon dioxide, contained in a thermally-insulated bin 2, by passing hot gaseous carbon dioxide into the bin through inlet 7, this hot gaseous CO 2  being a portion of the gas previously evolved from the solid CO 2  and then passed to inlet 7 through pipe 14 which is associated with heater 13. Gaseous CO 2  withdrawn through outlet 5 is the product required, e.g. for use as a shield in arc welding. In the apparatus shown, a block 10 of solid CO 2  is supported on a grid 4. The gas to be recycled is withdrawn from the bin via outlet 6 by fan 11, driven by electric motor 12; and the gas then flows over an electric heater 13 in pipe 14 before it enters inlet 7. A pressureresponsive element 16, in branch pipe 17, is adjusted so that when the pressure of the gas rises above the desired value the electric supply to motor 12 and heater 13 is interrupted, and when the pressure falls again to the desired value the electric supply is reconnected.
Patent GB-669352-A (GB)
Title: Machine for inductively welding seams
IPC: B23K13/02
Filed: 1949-04-27
Abstract: 669,352. Welding by pressure. BOWLUS, C. A. April 27, 1949, No. 11216/49. Class 83 (iv). [Also in Group XI] An inductive seam welder comprises a rotatable armature with magnetic poles 14 on its periphery and means for moving the poles 14 in rapid succession past those abutting edges of a work-piece 10 that are to be welded together, the work-piece 10 being slowly moved relatively to the armature such that the poles 14 successively traverse progressive sections along the work-piece 10 to heat and weld the said abutting edges into a seam due to the rapid approach and withdrawal motions of the successive series of magnetic fields. The workpiece may be moved by feed means 12 coupled to the armature through reduction gearing 40 to 49. The poles 14 have windings 15 energized by direct or alternating current and a commutator 31 may be provided such that each pole is energized only when in the vicinity of the work-piece. The armature may be housed in a casing 51 having inlets 52 through which hydrogen may be admitted. The machine is suitable for the seam welding of tubes and although in Fig. 1 the armature is shown revolving in a plane containing the seam of the tube, the armature may revolve in a plane at an angle to such a seam as is shown, for example, in Fig. 7. The tubing may be formed from flattened strips of metal passed through dies or forming rolls 11 whereby the longitudinal edges are brought into abutting, or practically abutting, relation to one another.
Patent GB-841363-A (GB)
Title: Improvements relating to a flat stripping apparatus for cards
IPC: D01G15/78
Filed: 1957-04-05
Abstract: 841,363. Cleaning carding machine flats. RIETER & CIE A.G., J.J. April 5, 1957 [April 13, 1956], No. 11230/57. Class 120(1). A card flat stripping apparatus comprises a cylindrical brush 3 having brush wires 10 and means for moving the tips of some of wires 10 along substantially cylindrical paths, such as A, B, or C, the lowest points of which are located between the bottom of the flat and the plane in which the bends 21 of the wires 18 of the flat are located. The brush 3 is rotatably mounted on a hollow shaft 5 carried by a frame 4 pivoted on pins 2 each of which can be selectively located in one of three holes 2<SP>1</SP>, 2<SP>11</SP>, and 2<SP>111</SP> in the machine casing 12. Pins 15, 16 are carried by a driven gear wheel rotating about a fixed axis and engage alternately between the teeth of a gear wheel 17 fixed to brush so as to cause periodic movement of brush 3 towards and away from the flat wires 18 while the brush rotates non- uniformly about its axis. This causes the tips 19 of certain brush wires 10 to move along paths such as A, B, or C, according to which hole is used for pivot 2. The pivot point is chosen to provide a path (as shown, path C) the ascending portion of which conforms substantially to the shape of wire 18 so that fibres entrained by brush wires 10 are withdrawn readily from wires 18. The distance between pins 15 and 16 is slightly less than that between the bottoms of successive gaps in gear wheel 17, so that paths A, B, and C have a portion 24, substantially parallel to the bottom of the flat, to enable the brush wires 10 to entrain loose fibres from the bottom of the flat.
Patent GB-1070353-A (GB)
Title: Process for the production of mixed fertilizers
Inventor: BOOKEY JOHN BERNARD
IPC: C05B7/00
Filed: 1965-03-17
Abstract: Mixed fertilizers containing ammonium nitrate and ammonium phosphate are made by a process comprising the steps of forming a mixture of dil. H3PO4 with dil. HNO3 or aq. NH4NO3, ammoniating the mixture to a NH3 : PO4 mole ratio of at least 1 : 1, preferably 1.2 : 1 to 1.7 : 1, (based solely on the ammonium phosphate), reducing the water content of the ammoniated mixture by passing it, in counter-current to NH3, through a low retention-time evaporator (e.g. falling film) and processing the resulting melt to obtain a prilled or granular mixed fertilizer.  The ammoniation may be carried out with gaseous or liquid NH3 or an ammoniating solution at a temperature below 140 DEG C.  When the fertilizer is to be prilled the water content is reduced to below 1% by weight but only to 1-10% when recycle granulation is the subsequent treatment.  Additional fertilizer ingredients (e.g. K compounds) may be added to the melt prior to the prilling or granulation.
Patent GB-668696-A (GB)
Title: Improvements in retaining screws for radial flow turbines
Inventor: LJUNGBERG KLAS WILHELM
IPC: F01D5/04
Filed: 1950-05-08
Abstract: 668,696. Rotors. SVENSKA TURBINFABRIKS AKTIEBOLAGET LJUNGSTROM. May 8, 1950. No. 11388/50. Class 110(iii). [Also in Group XXIV] In a radial flow turbine having a disc 2 held against axial displacement on its shaft 1 by an axial screw 5 engaging a threaded bore therein, the screw extends wholly or partially through the shaft and is coupled to a locking member 8 which is secured to the end of the shaft remote from the turbine disc by pins 12 or the like so as to be locked against relative rotation with the shaft and the locking member. The locking member has a threaded or hexagonal head which is positioned within the screw 5 and a flanged end 11 which is bolted or pinned to the shaft, the pins being held in position by a cover 13 bolted to the shaft. The spacing of the pin holes in the shaft and member 8 are staggered so that some always register. In a modification, the locking member 8 comprises a disc having a hexagonal recess to receive an extension on the screw 5.
Patent GB-765349-A (GB)
Title: A process for the manufacture of filters of siliceous material
IPC: B01D39/20
Filed: 1954-04-21
Abstract: Filters formed of siliceous material are manufactured by preparing a mixture of 85 per cent by weight of sand and 15 per cent potassium sodium sulphate, moulding the mixture into filter blocks, firing the blocks in a kiln at 1250 DEG  to 1300 DEG C. and thereafter allowing the blocks to cool slowly.  The blocks may be enamelled on two opposite faces with a conglomerate composed of 60 per cent silica, 15 per cent caustic soda, 15 per cent caustic potash, and 10 per cent unslaked lime and then fired again at 900 DEG  to 950 DEG C.ALSO:Filters formed of siliceous material are manufactured by preparing a mixture of 85 per cent by weight of sand and 15 per cent potassium sodium sulphate, moulding the mixture into filter blocks, firing the blocks in a kiln at 1250 DEG  to 1300 DEG C., and thereafter allowing the blocks to cool slowly.  The blocks may be enamelled on two opposite faces with a conglomerate composed of 60 per cent silica, 15 per cent caustic soda, 15 per cent caustic potash, and 10 per cent unslaked lime, and then fired again at 900 DEG  to 950 DEG C.
Patent GB-1432094-A (GB)
Title: Stage platform control system
IPC: E04H3/26
Filed: 1974-03-14
Abstract: 1432094 Stage control system H M BISSELL 14 March 1974 11474/74 Heading A6M A stage platform control system comprises a plurality of stage segments 13, 14, a plurality of drive mechanisms 16, 20, 22, 24 individually associated with corresponding segments to position the segments and control apparatus for actuating the drive mechanisms, which apparatus is capable of actuating all or any of the drive mechanisms concurrently for movement in response to a single set of control signals. Preferably a control unit is individually provided for each separate segment drive mechanism and a plurality of master control units are provided to which the individual segment control units may be selectively coupled in order to provide control of selected individual drive mechanisms in unison by a single operator at a given master control unit. Each segment control unit has circuitry for preselecting a plurality of positions to which the associated segment may be directed when the drive mechanism is actuated and provision is made for varying the speed of elevating or lowering within a given range and with predetermined levels of acceleration and deceleration. The master control units provide for control of movement through preselected incremental distances, thus permitting two or more segments having an initial juxtaposition to be moved through the same incremental distance at the same velocity. In addition the various control units can provide readouts or indications of velocity, position and incremental distance resulting from the operation of the associated drive mechanisms. Duplicate sets of controls may be provided for permitting the preprogramming of one set of controls during the time the other set of controls is in operative use, with means for alternatively selecting one or other of such controls. Alternative manual control may also be provided. Preferably the drive mechanisms consist of hydraulic motors driving screw jack type mechanisms for moving the stage segments and the control is by means of electric circuitry details of which are given in the specification. Suitable brakes and lock mechanisms and overload devices can be provided.
Patent GB-500684-A (GB)
Title: Improvements in sheathing applicable for the conversion of a motor vehicle of normal body construction into a stream-lined vehicle
IPC: B62D35/00
Filed: 1938-04-14
Abstract: 500,684. Vehicle bodies. DAIMLERBENZ AKT.-GES. April 14, 1938, No. 11498. Convention date, April 14, 1937. [Class 108 (i)] To enable a motor vehicle of normal construction to be converted into a streamlined vehicle, streamlined sheathing, consisting wholly or in part of transparent material, is provided and is adapted to be placed over the whole or a part of the vehicle and releasably connected to the body. The sheathing may be foldable and in sections. In one form, Fig. 1, sheathing b, comprising a hinged rear portion f and side openings which may becovered by flaps e, is placed over the whole vehicle, a grille c being provided for the entry of cooling air. In a second form, Fig. 4, the sheathing consists of front and rear parts k, i, the front part k covering the radiator m and front wings n and having side portions o spaced from the bonnet sides and extending approximately to the wall p of the body. Cooling'air enters through a grille r and leaves via slots in the bonnet sides and the spaces between the portions o and the latter. Other forms are described in which the sheathing extends over the top of the bonnet from the radiator to the wall p or over the whole front of the vehicle.
Patent GB-666846-A (GB)
Title: Improved method of manufacturing reinforced concrete building elements
IPC: B28B23/06
Filed: 1947-04-30
Abstract: 666,846. Reinforced concrete. JELIC, B. (Franjetich, Z). April 30, 1947. No. 11627/47. Class 20(iv). Reinforced concrete building elements are made by incorporating in concrete material a plurality of pre-stressed reinforcing elements 1 each comprising two intertwined bars or wires and arranged in spaced relationship and anchored by transverse spacing elements 2 in such a manner that no effective stress moment is produced in the building element, with respect to its neutral axis, due to the prestressed elements 1, and the pre-stressing of the reinforcing elements 1 is so chosen that the tension in the concrete surrounding the elements does not exceed 20 kg/ cm<SP>2</SP>. A beam may be formed having a cross-section which is symmetrical about a vertical axis, e.g. of triangular, rectangular cross-section or as shown in Fig. 5a having the section of a trapezium with its non-parallel sides equal, with the prestressed reinforcements 4b distributed such that the pre-stress is uniform through-out its cross-section and the beam so formed incorporated into a reinforced concrete building element as a reinforcing insert. The transverse spacing elements 5b may be arranged to project from at least one side of the beam and be concreted into the other part of the element being made.
Patent GB-823516-A (GB)
Title: Purification of kanamycin
IPC: C07H15/234
Filed: 1958-04-11
Abstract: Kanamycin is recovered from aqueous solutions such as a fermentation broth or in exchange resin eluates, by extraction at an alkaline pH, namely pH above 7 to 11 and especially 8.5 to 10.5, with a lesser volume of a water-immiscible 1 to 6 alkanol containing, per mol. of kanamycin in the aqueous solution, from one to ten mols. of an unsubstituted aliphatic aldehyde containing from 4 to 10 C atoms inclusive or a monocyclic aromatic aldehyde, separating the alcohol phase and subsequently   extracting the kanamycin in the alcoholic solution of kanamycin at an acid pH is below pH 4.0 into a lesser volume of aqueous acid and separating the concentrated aqueous solution of kanamycin thus obtained.  The preferred alkanol is n-butanol, although pentanol and hexanol may be used and at least four molecules and especially 4 to 8 mols. of aldehyde per mol. of kanamycin is used. The alkanol is used in quantities of less than 1/4 and preferably 1/2 of the aqueous kanamycin solution.  The aqueous acid is used in quantities of less than 1/4 and preferably 1/20 of the volume of the alkanol extract.  To recover kanamycin in the case of a sulphuric acid extract, the pH is adjusted to pH 8.2 by the addition of ammonia and methanol added to precipitate kanamycin sulphate.  The aldehydes may be (a) substituted and unsubstituted monocyclic aromatic aldehydes, e.g. furfuraldehyde, cinnamaldehyde, 5-nitrofurfuraldehyde, 2-, 3-, and 4-formylpyridine, 2-and 3-formylthiophene, benzaldehyde, alkyl benzaldehydes such as p-methylbenzaldehyde and p-isopropyl benzaldehyde, alkoxybenzaldehydes such as anisaldehyde and veratraldehyde, halobenzaldehydes such as p-chlorobenzaldehyde, hydroxybenzaldehydes such as vanillin and salicyclaldehyde and alkylaminobenzaldehydes such as p-dimethylamino benzaldehyde, and (b) n-butyraldehyde, isobutyraldehyde, n - heptaldehyde, 2 - ethyl hexanol, capraldehyde, n-valeraldehyde and isovaleraldehyde.
Patent GB-665348-A (GB)
Title: Improvements in electric motor control systems for constant tension centre driven wind up drives
IPC: B65H23/198
Filed: 1948-04-28
Abstract: 665,348. Control of D.C. motors. BRITISH THOMSON-HOUSTON CO., Ltd., ROLFE, E., and SMITH, D. March 31, 1949. [April 28, 1948] No. 11672/48. Class 38 (iii). [Also in Group XXXV] The speed of a motor of a reel winder is controlled by a floating roller, supported by the wound material, which controls the setting of a potentiometer and determines initially the strength of the field of the supply generator and subsequently the strength of the motor field. As shown, the field 3 of motor 2, which winds reel 1, is excited from amplidyne 6 and the armature is supplied from generator 4 excited by amplidyne 7. The floating roller 29 is positioned in accordance with the speed of 2 and controls the setting of potentiometer 18 and hence the excitation of field 13 of amplidyne 7. After a given displacement of 18 the voltage at 18 relative to that at 30 is such that the rectifier 26 conducts and the control field 9, of amplidyne 6, is excited and the excitation of 3 reduced ; the current through 13 is substantially stabilized by resistor 23.
Patent GB-1452003-A (GB)
Title: Apparatus for the recording and/or playback of a magnetic tape stored in a cassette
IPC: G11B15/675
Filed: 1974-03-15
Abstract: 1452003 Cassette tape apparatus STAAR SA 15 March 1974 [16 March 1973] 11675/74 Heading G5R Insertion of a magnetic tape cassette 17 into an operative position in a recording and/or playback apparatus is effected by sliding the cassette 17 in a direction parallel to its major surfaces into a movable housing 6, 7, 8 and then moving the housing and cassette firstly parallel to the direction of sliding of the cassette and then perpendicularly to said direction to an operative position in which a tape drive capstan 20 and tape reel drive hubs 21, 22 have entered the cassette. The housing comprises a plate 8 inter-connecting U-shaped channel member 6, 7 having projections 9, 10 engaging in L-shaped slots 11, 12 in side walls 1, 2. Abutments 15 on a spring-biased pivoted tongue 14 engage the plate 8 to prevent movement of the housing until a thickened portion of the cassette engages a projection 16 on tongue 14 to release the abutments 15. The cassette and housing are moved from the operative to the loading position by a push-button operated rod (26), Fig. 4 (not shown), having cam surfaces (29) which push projections 9, 10 up the vertical parts 12 of the side wall slots, springs 23 then acting to pull the projections rightwards along the slot parts 11. The cassette may be partially or wholly ejected from the housing during such return movement. During loading of the cassette, the springs 23 act to urge projections 9, 10 down the slot parts 12, thus biasing the housing and cassette to the operative position.