baber/WOPTO huggingface dataset:
Patent GB-977692-A (GB)
Title: Preparation of degraded carrageenin
Inventor: ANDERSON WILLIAM
IPC: C08B37/12
Filed: 1960-01-14
Abstract: Carrageenin in seaweed containing at least 28% of ester sulphate is degraded by treatment with hydrochloric or sulphuric acid, an aqueous solution of the degraded carrageenin is formed and its pH adjusted to at least 7 by the addition of aqueous sodium hydroxide, and the degraded carrageenin is separated from the pH adjusted solution by the addition of acetone or isopropanol. The seaweed may be of the Chondrus, Gigartina, or Eucheuma species.  Solution may be prevented during degradation by the presence of acetone. Treatment with acid may be effected at 70-75 DEG C. for 1-3 hours.  The pH adjusted solution may be treated with activated carbon at 90 DEG C. and then filtered.  The degraded carrageenin contains 28-32% of sulphate, has a solubility of greater than 50%, and has a viscosity of 30\sB10 centipoises at 25 DEG C.
Patent GB-745726-A (GB)
Title: Improvements in or relating to the extrusion of multi-layer sheathing for electric cables
Inventor: ROWLES REGINALD VICTOR
IPC: B29C48/06
Filed: 1952-01-18
Abstract: 745,726. Extruding cable sheathings. FIELDING & PLATT, Ltd. July 8, 1953 [Jan. 18, 1952], No. 1538/52. Classes 83 (2) and 83 (4). A method of applying a multi-core cable sheathing 7, 8 to an electric cable core 1 coprises passing the core through a plurality of axially spaced extrusion chambers 2, each provided with an extrusion die 3, and extruding material through said dies and around the core, at least one of the extrusion chambers comprising two or more billet containers 4 whose axes are at right angles to the axis of the core, the billets 6 in the separate containers being extruded in succession. The first extrusion chamber may be fed with the extrusion material 6 by a screw 9 and the second extrusion chamber may have a pair of opposed containers 4 with hydraulic rams 5. Alternatively the first extrusion chamber may also have a pair of opposed billet containers with rams, Fig. 1 (not shown). The core 1 may first be covered with an insulation which may be applied by extrusion or may be wound helically around the core. The layer 7 which may consist of aluminium or aluminium alloy is then applied. This layer is then preferably covered with a layer of rubber which may be applied by extrusion or may be wound helically on the layer; the rubber is then cured. A final layer 8 of copper or copper alloy is then applied.
Patent GB-1125611-A (GB)
Title: Improvements relating to multi-way electrical socket adaptors
Inventor: MARR GUSTAVE EDWARD
IPC: H01R31/02
Filed: 1965-01-13
Abstract: 1,125,611. Two-part couplings. MARBOURN Ltd. 13 April, 1966 [13 Jan., 1965], No. 1539/66. Heading H2E. A multiway adaptor has the current-carrying socket contacts (i.e. live and neutral) mounted on an insulating plate removably secured in the adaptor body. In the 13 amp three-way adaptor shown, the live and neutral contacts 52, 53 for opposite socket outlets are of bent metal strip attached to the plate 51 and to corresponding contacts 71, 70 of a third outlet by rivets. The neutral contacts 53, 70 are connected to the neutral pin 9 by a screw 63 which passes through a pillar formed on the plate so as to secure the plate 51 in the body. A cartridge fuse 26 may be connected between the live pin and contacts 52, 71 by engaging clips 75 and (30), (Fig. 4, not shown) on the contacts and pin (8) respectively. If no fuse is required, the live contacts may be connected to the live pin by a screw in the same manner as the neutral contacts. The earth contacts are formed from a metal T-piece and are attached directly to the earth pin, each pin being moulded in the body. Earth-pin operated shutters 37 may be provided, the upper end of biasing springs 38 seating on studs in the cover 2.
Patent GB-411578-A (GB)
Title: Improvements in or relating to bedsteads
IPC: A47C19/02
Filed: 1933-01-18
Abstract: 411,578. Mattress frames. VAUGHAN, E., Field House, Clent, near Stourbridge, Worcestershire. Jan. 18, 1933, No. 1615. [Class 52 (iv).] A fitting for supporting a mattress in a plane above that of the side rails of a bedstead consists of a bracket c, the lower end of which is bent twice at right angles at c<1>, c<2> to rest on the side rail a<1> ot the bedstead, and the upper part of which is inwardly bent at c<3> and formed into a hook c<4> to engage the horizontal flange of the side frame b<3> of the mattress, which may be of the well-type. An auxiliary clamping plate c<5> and a bolt c' are provided to secure the bracket to the mattress frame.
Patent GB-719019-A (GB)
Title: Improvements in or relating to electromagnetic head assembly
IPC: G11B5/187
Filed: 1953-01-20
Abstract: 719,019. Magnetic recording and reproducing apparatus. ARMOUR RESEARCH FOUNDATION OF ILLINOIS INSTITUTE OF TECHNOLOGY. Jan. 20, 1953 [Jan. 28, 1952], No. 1618/53. Class 40 (2). A magnetic transducer head has a band 25 carried by the core in relatively tight engagement therewith which provides positive side support for the portions 16, 17. The band may be of high conductivity non-magnetic metal, such as copper or aluminium, or non-metallic materials such as phenolic resins may be employed. The legs of the core may be provided with sloping surfaces 21, 22 to enable the pole faces to be clamped tightly together, or a wedge 35, Fig. 4, may be provided for that purpose. The band may be split as at 26 to give added flexibility or convenience in manufacture. In another embodiment, Figs. 5 and 6, a band with convex surfaces may be employed, and wedges 47, 48 inserted each side of the non- magnetic gap 41. In yet another embodiment, Fig. 7, a band with concave sides is employed to give support to the pole pieces in the region of the non-magnetic gap 20.
Patent GB-450545-A (GB)
Title: Improvements relating to toothed gearing
IPC: F16H55/08
Filed: 1935-01-18
Abstract: 450,545. Toothed gearing. GUEST, J. J., Furzedown, Knee Hill, Abbey Wood, Kent. Jan. 18, 1935, Nos. 1704 and 34348. [Class 80 (i)] The basic rack 1 of a system of gearing is formed with a profile which has a point of inflection at the pitch-point 5, and which is symmetrical about the pitch - point. The curvature of the profile may increase towards the roots 2 and tips 8 of the teeth, so that the centre of curvature at 8 lies at 17 on the pitch line. The profile may be a sine curve or a curve traced by the middle point 18 of a bar 19 connecting two equal bars 20, 21 pivoted at fixed points 22, 23 respectively. One member of the gearing may have teeth formed of dedenda only, which are generated from a rack having addenda only, the mating member having teeth formed of addenda only, which are generated from a rack having dedenda only.
Patent GB-534327-A (GB)
Title: Improvements in counter-electromotive force cells
IPC: H01M50/121
Filed: 1940-01-27
Abstract: 534,327. Polyvinyl resin articles. CHLORIDE ELECTRICAL STORAGE CO., Ltd. (Murphy, H. P.). Jan. 27, 1940, No. 1709. [Class 2 (iii)] Also in Group XXXVI] Cells of the nickel-alkali type are mounted in containers formed of polymethyl methacrylate, with separator vents of a vinyl chloride-vinyl acetate co-polymer.
Patent GB-933201-A (GB)
Title: Improvements in or relating to spools
Inventor: JOHNSON JOHN WILLIAM LEWIS
IPC: G11B15/67
Filed: 1961-01-16
Abstract: 933,201. Bobbins. AMPLION Ltd. Jan. 16, 1961, No. 1746/61. Class 120 (3). [Also in Group XX] A spool for tape comprises a member 6 for anchoring an end of the tape to the spool which member 6 engages a guiding formation in a flange 1 or 2 so as to be slidable from a first position A at or near the spool periphery to a second position B nearer the centre axis of the spool, the arrangement being such that one end of the tape is insertable between resilient jaws 8 of the member 6 in the position A and the jaws 8 being urged towards each other when the member 6 is moved towards the position B. In the embodiment shown, the member 6 slides in slots 4 or 5 formed in flanges 1, 2 and has projections 7 to engage the slots. As the member 6 is slid to the position B the jaws are urged together by the taper of the slots. Preferably two members 6 are provided, as shown. In a modification, a single flange only on which the member 6 is slidable is provided. In a further modification, the flanges 1, 2 may be formed with projections or recesses to engage corresponding recesses or projections respectively in the member 6.
Patent GB-989353-A (GB)
Title: Method of casting under pressure
IPC: B22D18/04
Filed: 1962-01-18
Abstract: 989,353. Casting-machines. BULGARSKA AKADEMIA NA NAUKITE. Jan. 18, 1962 [Jan. 26, 1961], No. 1818/62. Heading B3F. [Also in Division B5] In pressure casting a pressure higher than atmospheric is produced in the feed reservoir and the mould, after which a desired difference in the pressures in the mould and reservoir is created so that the molten metal runs into the mould, the super-atmospheric pressure being maintained and acting on the molten metal until solidification is complete. In one embodiment, Fig. 2, the pressure differential is created by inversion of the mould and reservoir assembly 1, 2, so that the metal enters the mould under the pressure of gravity. An additional differential may be created by appropriate adjustment of the cocks a, b, c.
Patent GB-689422-A (GB)
Title: Improved apparatus for cutting corrugated cardboard and other sheet material
IPC: B65H35/00
Filed: 1951-01-24
Abstract: 689,422. Cutting-apparatus. ROUNSIVELL, W. A. May 18, 1951.. [Jan. 24, 1951] No. 1868/51. Class 31 (i). [Also in Group XVII] In apparatus for cutting lengths from a roll 6 of corrugated cardboard or other sheet material of the kind comprising a carriage A movable along a slideway 2 and having mounted thereon a disc cutter 7 which is rotated as the carriage is moved along the slideway, by a handle 12 or mechanically, the edge of the cutter cooperating with the edge 4 of a cutter bar 3, and the slideway and cutter bar being mounted in a framework 1, the cutter is rotated by means of a flexible cable 13 anchored at opposite ends of the framework and passing round a boss 14 fast with the cutter and round idler pulleys 15. The cutter is pressed against the edge 4 by means of a spring 9 the pressure of which is adjustable by means of a screwed plug 10.
Patent GB-858857-A (GB)
Title: Improvements in and relating to orthopaedic treatment apparatus
IPC: A61H1/02
Filed: 1957-01-18
Abstract: 858,857. Tension apparatus. BOLTON, K. G. Jan. 20, 1958 [Jan. 18, 1957], No. 1872/57. Class 81 (2) [Also in Group XV] Orthopaedic tension apparatus comprises a gantry of adjustable height, an arm 17 extending laterally from the gantry and supporting a bar 18 at or near its outer end, the bar having hand grips 18a and means 19 for attaching a patientsuspending harness. The gantry comprises a tube 15 which is telescopically mounted on an upright 13 extending from a base 10. The arm 17 carried by the tube 15 is adjusted in height as the tube is moved relative to the upright, by a hydraulic pump 14a, or hand operated winch or gear means (not shown). The bar 18 which is suspended from the arm 17 carries hooks 19 for securing a harness. The patient stands,on a selectively rotatable turntable 12 mounted on the base 10 and is supported by the harness which is fitted to his body so that traction may be applied where desired as the arm 17 is raised.
Patent GB-410913-A (GB)
Title: Improvements relating to the scavenging-air passages of two-stroke cycle internal combustion engines
IPC: F02F1/22
Filed: 1933-01-20
Abstract: 410,913. Cylinders. THEGE, E. O. P., 59A, Hornsgatan, ANGKVIST, O., 6, Bj÷rngardsgatan, both in Stockholm. Jan. 20, 1933, No. 1898. [Class 7 (ii).] In a two-stroke engine in which the scavenging air passes to the cylinder ports 13 by curved passages 12, the horizontal and vertical parts thereof are formed, respec. tively in the light metal frame 5, and the cast-iron cylinder block 1. The air is supplied from a receiver 10 through non-return valves 11 as described in Specification 254,704, [Class 7 (vi)], and the inlet ports 13, directed towards the cylinder head, are arranged or each side of the ex haust ports 14. The frame 5 may be cast or formed of plates welded together.
Patent GB-1023082-A (GB)
Title: A metallic pit prop
IPC: E21D15/55
Filed: 1963-01-16
Abstract: <PICT:1023082/C6-C7/1> One or a group of metallic pit props are provided with a consumable electrode which in the presence of water or moist atmosphere gives cathodic protection of said pit props, e.g. Al, Zn, Mg, or alloys.  An impressed current may also be applied. The electrolyte electrodes are adapted for ready replacement. The electrode may be a structural component incorporated in, but not important mechanically, e.g. a ring 4, Fig. 1, or an aluminium soleplate.  Pit props made of aluminium, aluminium alloy and steel are referred to as, for example, steel props with Al caps or conversely light metal props with steel caps and the invention is particularly concerned with Al or light-alloy pit props. Hydraulic pit props have pressure cylinders which may have a metal covering acting as an anode e.g. an Al cylinder may have a Zn coating 0.2-0.55 mms. thick, the thickness being determined by the rate of disintegration:  the metal covering may coat the whole or a part of the cylinder.  Alternatively the electrolyte electrode may be a separate component affording protection by remote electrolytic action as when protecting a group of pit props:  preferably, however, the electrolyte electrode is located symmetrically in relation to the pit prop(s) to be protected. A current may be applied from a micro-battery.
Patent GB-113277-A (GB)
Title: Vertical File Construction adapted for various purposes, particularly for Filing Phonograph Disc Records.
Inventor: READ FRANK PRESLEY
IPC: A47B81/06
Filed: 1918-02-05
Abstract: 113,277. Read, F. P. Feb. 5, 1917, [Convention date ]. Drawers and drawer fittings. - A cabinet, adapted particularly for filing phonograph disk records, comprises a number of drawers having front and rear walls 8, 9 and being open at the sides. Pivoted bars 11 are provided to hold the disk records in position, and they may be drawn together when the drawer is to be closed. The distance from the pivot 15 to the base 7 is made equal to or greater than the length of the rod 11.
Patent GB-1381241-A (GB)
Title: Transportation system with an electromagnetically-suspended vehicle
IPC: B61B13/08
Filed: 1973-01-15
Abstract: 1381241 Transportation system MASCHINENFABRIK AUGSBURG-NURNBERG AG 15 Jan 1973 [15 Jan 1972] 2090/73 Heading B7L A transportation system comprises a. vehicle 3 levitated above a guideway 5 by electromagnets on the vehicle co-operating with steel rails 6a and propelled along the guideway by a linear motor comprising vehicle-borne magnets 2 and aluminium reaction rails 1, the elements 1, 2 being arranged to face downwardly and upwardly respectively so that on a failure of the electromagnetic support system the elements of the linear motor will move apart and will not be damaged. Emergency support rollers 10 or skids 11 will then come into operation. In the Fig. 2 embodiment lateral guide magnets 7 are provided and the vehicle-borne support and motor electromagnets are longitudinally aligned on the vehicle, preferably with one motor magnet between two support magnets. The support and guiding functions may be combined in a universal vehicle-borne winding extending across the width of the guideway with a D.C. support field and a superimposed A.C. driving field. Fig. 5 shows an alternative embodiment wherein two universal coils 12a and 12b are disposed on both sides of the longitudinal centre plane of the vehicle. The edges of the steel rail 6a extend downwardly at 13 to provide a steering function. Alternatively the aluminium rail 1 may be formed with apertures through which the rail 6a projects with the surfaces of both rails flush.
Patent GB-539113-A (GB)
Title: Improvement in rollers or cylinders for drawing mechanisms in machines for preparing and spinning textile fibres
IPC: D01H5/74
Filed: 1940-02-02
Abstract: 539,113. Drawing rollers for preparing and spinning machines. SALVADOR. J. Feb. 2, 1940, No. 2093. Convention date, Feb. 4, 1939. [Class 120 (ii)] A cylinder or roller for the drawing mechanism of preparing and spinning machines is provided with a circumferential ring of rubber or like material projecting from the periphery of the cylinder at the middle of the length thereof and of a width only slightly greater than the width of the roving being operated upon. As shown the ring 3 is embedded in a peripheral groove 2 in the roller 1. The Specification as open to inspection under Sect. 91 comprises also the use of more than one ring on the cylinder. This subject-matter does not appear in the Specification as accepted.
Patent GB-1077883-A (GB)
Title: Mining machine with automatic displacement and swivelling means
IPC: E21C35/08
Filed: 1965-01-18
Abstract: 1,077,883. Mineral mining installations. GEBR. EICKHOFF MASCHINENFABRIK U. EISENGIESSEREI m.b.H. Jan. 18, 1965 [Jan. 29, 1964], No. 2102/65. Heading E1F. In a mining machine having cutting toolpositioning means operable in dependence on the back scatter from a radiation source on the machine the means is also operated in dependence on the conditions of the means controlling the advance of the machine.
Patent GB-367134-A (GB)
Title: Improvements in and relating to the manufacture of umbrellas
IPC: A45B25/18
Filed: 1931-01-22
Abstract: 367,134. Umbrellas. SCHARF. M. M., 126, 5th Avenue, New York, U.S.A. Jan. 22, 1931, No. 2176. [Class 134.] In umbrellas wherein a cover 15 is attached to detachable tips 11 of the ribs, portions of the cover are folded back along the tips 11 in a direction towards the apex of the umbrella, and each portion is attached to a tip by a two-sectioned binding 14 passing through a bore 13 in the tip and around its exterior on opposite sides of the bore. The cover 15 is first placed on the tips with its reverse side facing outwardly. It is secured in this position to each tip by passing the stitching or binding 14 through the bore 13, then around one side, back through the bore again, and then around the other side. Each tip may in turn be held in a support in a machine, and the stitching may be effected by relative movement between a reciprocating needle and the tip and cover. When the cover is thus secured, it is turned back on itself, set on the frame, and the tips mounted on the ribs.
Patent GB-214715-A (GB)
Title: Improvements in or relating to piston engines
IPC: F01B3/04
Filed: 1923-01-24
Abstract: 214,715. Caeyseele, H. van. Jan. 24, 1923. Engines with main shaft parallel to axis of cylinder; driving gear.-One or more cylinders 5 have pistons 4 carrying rods with pairs of rollers 9, 9<1> engaging one or two undulating cam flanges 8 on a hollow drum on the shaft 1. The rods 3 carry cross-heads 11, 11<1> engaging guides on the casing 10 and on a cylindrical or polygonal member which enters the drum. Cylinders coaxial with cylinders 5 may be arranged at the other end of the drum. The cam may be built up of parts 12, 12<1> adjustable to compensate for wear. The cylinders may drive two oppositely-rotating, geared cam drums.
Patent GB-195805-A (GB)
Title: Improvements in or connected with machines or mechanisms for slitting, cutting, perforating, or similarly operating on paper and other materials
IPC: B26D7/26
Filed: 1922-01-25
Abstract: 195,805. Wilson, H. W'. V., and Victory Kidder Printing Machine Co., Ltd. Jan. 25, 1922. Rotary perforating - machines. -- Rotary perforating tools 3 held in levers 1 are pressed against a cylinder 7 by a spring device 2 and are adjusted over the width of the web by wheels 10 threaded for adjustment on a screwed shaft 4. The lever 1 is formed to engage the boss of the wheel which latter is locked in adjusted position by a roller 11 on the lever. A scale 18 on the shaft facilitates the adjustment of the wheels on the shaft. The spring device 2 comprises a cylinder 19 containing two keyed pistons 21, 26 separated by a spring 20, the pressure on the piston 21 being adjusted by a screw 23 with a serrated end. A number of the arms 1 with cutters 3 are mounted on the shaft 4 and their spring devices are engaged. by a cam bar extending across the machine. In place of the perforating tools, cutting discs may be used.
Patent GB-566499-A (GB)
Title: Improvements in or relating to the manufacture of titanium pigments
IPC: C01G23/053
Filed: 1943-02-11
Abstract: 566,499. Titanium pigments. NATIONAL TITANIUM PIGMENTS, Ltd., and BENNETT, A. N. C. Feb. 11, 1943, No. 2286. [Class 1 (iii)] In the production of a rutile titanium dioxide pigment, (1) a titanium dioxide precipitate is obtained by hydrolysing a titanium sulphate solution in the presence of a " nucleating liquid "prepared by adjusting a titanium sulphate solution to a pH value of 2-7 at a temperature between 45‹ and 70‹ C. by means of alkali, the " nucleating liquid " being mixed at a concentration of 10-40 grms. TiO2 per litre with the solution to be hydrolysed in such quantity that at least 1 per cent of TiO2 based on the TiO2 content of the solution is introduced; (2) the precipitate so obtained is peptised or dispersed, as by addition of hydrochloric acid, and added to the titanium sulphate solution to be hydrolysed at a concentration of 10-15 grms. per litre in such amount as to introduce at least 8.5 per cent TiO2 based on the TiO2 content of the solution, the initial concentration of the latter being such that after addition of the peptised precipitate, the solution contains 55-75 grms. TiO2 per litre. In step (1) the amount of "nucleating liquid " added for hydrolysis should preferably not exceed that necessary to introduce 7 per cent TiO2 based on the TiO2 content of the sulphate solution and the TiO2 content of the resulting solution should be 100-150 grms. per litre. In step (2), the precipitate, prior to being peptised may be washed, suspended in water and brought to a pH value of 6-7 by addition of alkali and then washed to remove soluble salts., Enough may be introduced into the solution to be hydrolysed to correspond to 10 per cent of the initial Tio2 content of the solution, and the introduction may be effected gradually in the form of an extenuated stream or film flowing down a surface dipping into the solution and with agitation of the latter, which is preferably hot. The final precipitate may be calcined with addition of a small proportion of magnesium or lithium or compounds thereof as described in Specification 553,135. Specifications 405,669, 533,227 and 542,579 also are referred to.