baber/WOPTO huggingface dataset:
Patent GB-1098092-A (GB)
Title: Improvements in or relating to tubes
Inventor: O'BRIEN PATRICK WILLIAM
IPC: B29C53/30
Filed: 1964-06-01
Abstract: 1,098,092. Corrugated tubes. ASSOCIATED TUBE COMPANIES (COMPOFLEX) Ltd. June 1, 1965 [June 1, 1964], No. 22650/64. Heading F2P. In a method of making a helically corrugated tube 4 of plastics material, such as polyvinyl chloride, polythene, nylon, polypropylene, polystyrene or polytetrafluorethylene, a preformed extruded, injectionmoulded, or blow-moulded smooth tube 1 is passed through a rotatable head 2 having a plurality of split annular blades 3 spaced along the tube, each blade bearing with its entire circumference on the tube to convolute the same. The axial pitch of the blades may be constant, Fig. 2 (not shown), or alternatively, may successively decrease, Fig. 3 (not shown), to form a more closely convoluted tube. In a further modification, Fig. 4 (not shown), the internal diameter of successive blades decrease so that the formed corrugations are progressively deepened. The tube during manufacture may be maintained at constant temperature, such as 60-70‹ C. for a tube of polyvinyl chloride, by perforated ring water sprays. Plain cuffs may be formed at one or both ends of the corrugated tube by dipping said end or ends in water at the appropriate temperature, i.e. 90-100‹ C. for a polyvinyl chloride tube. The ratio of the internal bore to the wall thickness of the smooth tube prior to convoluting is preferably 60 : 1. The tube may be provided with additional external or internal layers.
Patent GB-1181281-A (GB)
Title: Improvements in or relating to Multi-Stage Plate Presses, more particularly for the Manufacture of Chip Plates, Fibre Plates and the like
Inventor: SUCHSLAND KARL
IPC: B30B7/02
Filed: 1967-05-17
Abstract: 1,181,281. Multi-daylight press; hydraulic presses. NIEDERRHEINISCHE MASCHINENFABRIK BECKER & VAN HULLEN. 17 May, 1967, No. 22826/67. Headings B5A and B5F. A multi-daylight press comprises upper and lower fixed plates 3 and 10, a movable press table 2, intermediate platens 1, and an hydraulic simultaneous closure device. The closure device consists of a control cylinder 6a fixed to the plate 10, the piston-rod 6 of which cylinder is fixed to table 2; a closing cylinder 7a, located in table 2, the piston-rod 7 of which cylinder is fixed to the lower of platens 1; and a similar cylinder 7a, located in said lower of the platens the piston-rod 7 of which cylinder is fixed to the upper of the platens 1. Fluid connections 8 are maintained between the various cylinders as shown in the Figures. In operation, starting from a position in which the plates, table and platens are all equally spaced, the table is raised to close the press and fluid is transferred from the upper of cylinders 7A to the space in cylinder 6a caused by the raising of rod 6 with the table. Piston 7 thus moves down relative to the cylinder 7A. This causes an equal amount of fluid to be transferred from the lower cylinder to the upper cylinder, this in turn causing the lower piston to move down relative to the lower cylinder. Since the cylinders 7a are of the same size and equal volumes are transferred, it can be seen that the amount of movement between the table and the lower platen is equal to that between the lower and upper platens and that between the upper platen and plate 3. Simultaneous closure is thus achieved.
Patent GB-400385-A (GB)
Title: Improvements in pack parachutes
IPC: B64D17/52
Filed: 1932-08-15
Abstract: 400,385. Pack-parachutes. POPELAK, J., 68, Kraiovska, Prague. Aug. 15, 1932, No. 22873. Convention date, Aug. 17, 1931. [Class 4.] A parachute pack comprising a pocket for the enclosure of a pilot parachute which has a frame in the form of a book is fitted with closure studs which are mounted so as to be free to swing in all directions to prevent jamming when the rip cord is pulled. Studs 2 slotted for the passage of rip cord pins 5 are mounted in bearings 10 secured to the lower-most flap 1. The rip cord may be pulled either by a handle 7 or by a static cord 9 connected to the cord through coupling hooks housed in a tube 8 and adapted to separate when pulled out therefrom. The pilot parachute has a frame comprising wings 13, 17, Fig. 5, hinged together and urged apart by torsion springs 15 contained in a hollow hinge. Alternatively tension springs may be employed. The bearings for the studs 2 may be carried by the frame member 13. In this form withdrawal of the pins 5 releases the frame member 17 which moves upwardly forcing the flaps of the pack off the studs 2.
Patent GB-938624-A (GB)
Title: A method of manufacturing electrical insulators consisting of cast resins
Inventor: DOBSCHALL DIETRICH
IPC: B29C39/00
Filed: 1962-06-14
Abstract: In a method of casting electrical insulators of ethyoxyline resins a material e.g. a polyvinyl acetal resin or a polysiloxane resin which is to form a surface layer on the finished casting, is applied to the inner surface of the casting mould, to which it remains adherent during the casting of the ethyoxyline resin, but during hardening forms an intimate bond with the ethyoxyline resin casting. Alternatively there is introduced into the bottom of the mould a small quantity of a lighter resin, and subsequently the liquid casting resin is allowed to flow into the mould through an opening in the bottom, so that the lighter resin floats on top of the casting resin as the level of the latter rises, with the result that a coating of the lighter resin is deposited continuously on the interior surface of the mould before the casting resin can reach any part of that surface, this coating finally attaching itself to the casting resin when the latter is hardened.
Patent GB-1262929-A (GB)
Title: A tool for fitting caps to containers
IPC: B65D41/12
Filed: 1969-05-06
Abstract: 1,262,929. Capping bottles. SOC. DE CONDITIONNEMENT EN ALUMINIUM SCAL G.P. 6 May, 1969 [6 May, 1968], No. 22935/69. Heading B8T. A crown cap fitting tool comprises a casing 1 inside which is contained a cylindrical cage 2 containing fingers 32 and (33), (34) &c., Fig. 4 (not shown), which together form an expandable annular sleeve (3), Fig. 3 (not shown), with an internal diameter increased at its lower end 321. Each finger, e.g. 32, is provided on its outer surface with two lateral recesses 322, 323. These recesses each form on the outer face of the sleeve part of an annular groove occupied by an elastic ring 38 or 39. A punch 4 in the form of a sleeve with a widened internal diameter at its lower end is arranged to slide in the sleeve (3) and a pusher 5 slides within this punch. Two helical springs 44, 54, of which 54 is the weaker, are positioned concentrically to bear on the punch 4 and pusher 3 respectively with a specially designed cap 8 on a bottle 9 in position, the tool is moved vertically downwards to fix the closure. The pusher 5 comes into contact with the base 81 of the cap. As downward movement is continued, the stops 512 and 43 on the pusher and punch come into contact and further movement of the punch is prevented after it has drawn the rib 85 on the cap 8 into a position below the lip 92 on the bottle 9. The case 1 continues to move downward and the fingers flexibly mounted on the annular rings 38, 39 force the rib 85 to crimp under the lip 92 effecting the seal, at which stage stops, 521 and 122, on the pusher 5 and plate 121 of the case 1 abut and prevent further downward movement.
Patent GB-597741-A (GB)
Title: Improvements relating to x-ray tubes
IPC: H01J35/32
Filed: 1945-09-07
Abstract: 597,741. X-ray tubes. STEPHEN. R. A. Sept. 7, 1945, No. 23060. [Class 39 (i)] (Also in Group XX] An X-ray tube has an annular target and a cathode located between cross-sections of the tube axially removed from the target and emitting a conical coaxial beam of electrodes to bombard an internal annular zone of the target. A glass member 1 and metallic members 2, 3 are sealed together, and the former carries a cathode filament coil 14 with getter filament 15, just behind an opening 12a, so as to give a conical divergent beam. An annular layer 8 of material of high atomic weight, e.g. tungsten or gold, is cast or plated on to the inside of the anode member 3 which may be slightly tapered, a disc 9 of beryllium and window 11 closing the envelope, the disc protecting the window from electronic bombardment. In a modification, the filament is more forwardly placed with respect to the cathode hood 12. In another modification, the tube comprises a major portion united to a metallic cylindrical anode tube carrying the annular target. Cooling liquid may be circulated over the anode member 3 and the window 11. The tube may be mounted in the end of an oil or gas-filled casing containing the supply transformers (see Group XX).
Patent GB-1121177-A (GB)
Title: Improvements in apparatus for the determination of the stiffness of gels and similarstructures
Inventor: PLINT MICHAEL ALEXANDER
IPC: G01N11/16
Filed: 1966-05-24
Abstract: 1,121,177. Viscosimeters. NATIONAL RESEARCH DEVELOPMENT CORP. May 24, 1967 [May 24, 1966], No.23069/66. Heading G1S. In apparatus for the determination of the stiffness of gels and similar materials, there is provided a body 11 rigidly attached to a shaft 9 and adapted to be immersed in the gel under test, a lever 12 rigidly connected to the shaft 9 for applying a turning moment thereto, and a casing 5 connected to the lever 12 by torsion springs 13, 13' the casing 5 including measuring means for indicating, in operation, any displacement of the lever 12 relative to the casing 5. In operation, a motor 2 oscillates the casing 5 through means 18-20, the motion being transmitted via spring 13, 13' and shaft 9 to the body 11. Owing to the stiffness of the material in which the body 11 is immersed, movement of the body 11 is damped causing the lever 12 to oscillate with a smaller amplitude than the casing 5, the amplitude of oscillation of the lever 12 being measured by a micrometer screw head 15 to determine the position of a contact screw 17 (see Fig. 2, not shown).
Patent GB-800615-A (GB)
Title: Improvements in the preparation of aluminium sesquichlorides
Inventor: HAWKINS EDWIN GEORGE EDWARD
IPC: C07F5/06
Filed: 1956-07-26
Abstract: Aluminium alkyl (particularly C1-C4) sesquichlorides are prepared by reacting aluminium with an alkyl chloride in the presence of a reaction initiator comprising aluminium chloride and an aluminium alkyl halide.  The aluminium used may be in any form, preferably as turnings or powder: if desired it may be alloyed, for example with magnesium.  The aluminium alkyl halide may be the sesquichloride it is desired to produce.  It is preferred that approximately equal proportions by weight of aluminium chloride and aluminium alkyl halide are used in the reaction initiator, and the total amount of initiator is preferably in excess of 2 per cent by weight of the reaction mixture.  The process may be carried out at atmospheric pressure and at a temperature of about 50 DEG  C.  It is preferred to mix the aluminium with the reaction initiator in an atmosphere of a gas such as nitrogen at a temperature between 50-100 DEG  C., and then to add the alkyl chloride.  The desired product may be distilled or extracted by solvents from the reaction mixture.  The examples describe the preparation of aluminium ethyl sesquichloride from aluminium and ethyl chloride using aluminium chloride and (1) aluminium ethyl di-iodide, (2) aluminium ethyl sesquichloride, and (3) aluminium ethyl dichloride, and (4) aluminium methyl sesquichloride from aluminium and methyl chloride in the presence of aluminium methyl dichloride and aluminium chloride.
Patent GB-798836-A (GB)
Title: Improvements in or relating to drive mechanisms for conveyors
IPC: B65G23/00
Filed: 1955-08-11
Abstract: 798,836. Endless conveyers. EICKHOFF MASCHINFABRIK UND EISENGIESSEREI, GEB. Aug. 11, 1955 [Aug. 14, 1954], No. 23140/55. Class 78 (1). The driving sprocket 20 of an endless chain conveyer such as a scraper conveyer or articulated plate conveyer (as shown) is mounted on a shaft 9 which is disposed wholly between the side plates 1, 2 of the conveyer frame, is mounted in bearings 7, 8 also disposed between the side plates, and is connectible at one or both ends with a driving shaft 12 of a motor and gearbox assembly 10, 11 mounted outside one of the side plates. The bearings 7, 8 are of divided pattern one half of each of which being secured to a cross member 6 which extends between the side plates 1, 2 and is cut away centrally to accommodate the sprocket. The gearbox is mounted by a flange received within an aperture 14 in plate 1, a similar aperture 15 in plate 2 being provided for alternative mounting of the motor and gear box on the opposite side of the frame. Shaft 12 projects through the aperture and carries a male toothed clutch element 13 engaging an internally toothed female clutch element 16 on the projecting end of shaft 9. Instead of a single sprocket a pair of sprockets may be carried by the shaft 9 externally of the bearings 7, 8, one of the sprockets being carried on the boss of clutch element 16.
Patent GB-1416658-A (GB)
Title: Alicyclic compounds useful as perfuming and flavouring agents
IPC: A23L27/20
Filed: 1974-05-23
Abstract: 1416658 Flavouring FIRMENICH SA 23 May 1974 [7 June 1973] 23141/74 Heading A2B [Also in Division A5] The invention comprises a foodstuff containing an odour- or flavour-modifying compound of the formula: where R is H or alkyl or acyl of 1-6 carbon atoms and n is 0 and the side chain contains a double bond or n is 1 and the side chain is saturated.
Patent GB-1515238-A (GB)
Title: Method of recovering carotene concentrate
IPC: C09B61/00
Filed: 1976-06-07
Abstract: 1515238 Carotene LION FAT & OIL CO Ltd 7 June 1976 [13 June 1975] 23375/76 Heading C2V A method of recovering a carotene concentrate from carotene-containing oils and/or fats, comprises (a) mixing a carotene-containing oil and/or fat also containing free fatty acid and having an acid value from 2 to 40, with a monohydric alcohol and contacting the resulting mixture with a previously-dried H-type cation exchange resin to esterify the free fatty acid while removing the by-product water continuously; (b) subjecting the resulting reaction mixture to alcoholysis at a temperature below 60‹ C. in the presence of a monohydric alcohol and an alkali or alkali metal alcoholate to convert the glycerides in the mixture to glycerol and alkyl fatty acid esters in separate liquid phases; (c) removing the glycerolcontaining phase, and (d) subjecting the remaining phase, containing the alkyl fatty acid esters, to distillation under the condition that 3x + 50y # 490 wherein x represents the temperature (‹ C.) and y represents the whole residence time (minutes) when the temperature is from 80‹ to 130‹ C., or x+30y # 190 when the temperature is from 130‹ to 180‹ C., thereby removing the alkyl fatty acid esters to leave a carotenecontaining concentrate as residue. In examples carotene is recovered from palm oil and from a solid fat obtained from palm oil, the alchol being methanol.
Patent GB-921895-A (GB)
Title: Improvements in pumps of the intermeshing screw type
IPC: F04C14/26
Filed: 1959-07-08
Abstract: 921,895. Rotary pumps. H. CORNELL. July 8, 1959, No. 23413/59. Class 110 (2). In a rotary pump of the intermeshing screw type the rotor casing C is disposed in an outer casing k which is subdivided by a wall Q to define two inlet and outlet chambers interconnected by a vessel j having a by-pass control valve h.
Patent GB-839170-A (GB)
Title: Improvements in or relating to portable electric lanterns or torches and to switching devices therefor
IPC: F21L4/00
Filed: 1958-07-22
Abstract: 839,170. Electric battery lamps. CHENG, W. G. Oct. 3, 1958 [July 22, 1958], No. 23511/58. Class 39(2) [Also in Group XXXVII] An electric battery lamp having two electric light bulbs supplied from a common battery, has switch means consisting of a movable arm and two contacts separated by a gap such that the arm can be brought into contact with either contact to complete the circuit of one or other of the bulbs or can be moved into position to bridge the gap btween the contacts to light both bulbs simultaneously. The lamp may comprise a rectangular casing 10, Fig. 2, with the main bulb 14 mounted together with a reflector 16 on a hinged lid 12 at one end. The second bulb is mounted in a casing 27 having a red window 9, this casing being carried by a U-shaped arm 24, pivoted at its open end on the casing 10. A carrying handle 19 is provided on the top of the casing between the arms of the U and a second handle 20 of wire is pivoted in shallow cups 21 on the sides of the casing having serrated edges serving to locate this handle in desired angular positions. The switch comprises a knob 39, Fig. 11, of insulating material mounted on a pin 50, its rotation being limited by a pin 51 moving in an arcuate slot in the knob. The pin 50 is connected to one pole of the battery and is in contact with a strip 57 within the knob 39, the other end of the strip engaging a spring 38 terminating in a ball 37. Below the knob 39 is a sheet of insulating material 42 having three holes through which the ball can press one or other of two metal plates connected respectively in the circuits of the two bulbs or on a metal bridging piece 53 whereby contact is made with the two plates simultaneously.
Patent GB-941828-A (GB)
Title: Improvements in or relating to a process of prehardening austenitic manganese steel
IPC: C21D6/00
Filed: 1960-07-05
Abstract: Work-hardenable austenitic manganese steel is prehardened before use by heating it to a temperature above that at which ferrite dissolves in the austenitic matrix and below that at which carbide fully dissolves into the matrix, e.g. at a uniform temperature between 1100 and 1300  DEG F. for 5.5 to 6.5 hours, to precipitate carbide needles within the grains, allowing the steel to cool to ambient temperature, e.g. slowly for 10 to 48 hours, heating it to a higher temperature than that in the first heating step but within the first heating range, e.g. at 1350 to 1500  DEG F. for not less than two hours, to diminish the size and round off the sharp points of the carbide needles, thereby partially reclaiming the original ductility of the steel, and quenching the steel preferably in water.  A modified Hadfield steel is referred to of composition:-  C 0.65 to 1.4%, Mn 10 to 14%, P max. 0.1%, S 0.01 to 2%, Si 0.1 to 0.3%, Fe balance.
Patent GB-422635-A (GB)
Title: Improvements in or relating to the catalytic hydration of olefines
IPC: C07C29/04
Filed: 1933-08-24
Abstract: Catalysts for the hydration of olefines are rendered mechanically stable by the incorporation of a non-drying vegetable oil such as castor or rape oil, or a purified animal oil such as whale oil, or an aliphatic alcohol or acid of high molecular weight such as cetyl alcohol or stearic acid, or an oxygenated derivative of said acid or alcohol such as an ether, anhydride, aldehyde, or ketone, the mixture being baked before use.  The use of drying oils as specified in Specifications 404,115, 415,426, and 415,427 is disclaimed.  The preferred catalysts are phosphates containing phosphoric acid in excess of that forming the orthophosphates of the metals employed. According to a typical example, 1 molecule of manganese oxide, \ba1/2\be mol. of boron trioxide, and 3,6 mols. of phosphoric acid are evaporated to dryness with 5 per cent of castor oil and baked at 200 DEG  C.  The mass is ground and tableted with an addition of 2--3 per cent of linseed oil and rebaked.ALSO:Catalysts for the hydration of olefines are rendered mechanically stable by the incorporation of a non-drying vegetable oil such as rape or castor oil, or a purified animal oil such as whale oil, or a high-molecular aliphatic alcohol or acid such as cetyl alcohol or stearic acid, or an oxygenated derivative of said alcohol or acid such as an ether, anhydride aldehyde, or ketone, the mixture being baked before use.  The use of drying oils as specified in Specifications 404,115, 415,426, and 415,427 is disclaimed.  The preferred catalysts are phosphates containing phosphoric acid in excess of that forming the orthophosphates of the metals employed.  According to a typical example, 1 molecule of manganese oxide, \ba1/2\be mol. of boron trioxide, and 3,6 mols. of phosphoric acid are evaporated to dryness with 5 per cent of castor oil and baked at 200 DEG  C.  The mass is ground and tableted with the addition of 2--3 per cent of linseed oil, and rebaked.
Patent GB-279992-A (GB)
Title: Improvements in and relating to adjustable shelf brackets, specially applicable for shop windows or the like positions
IPC: A47B57/04
Filed: 1926-09-24
Abstract: 279,992. Rignold, H. R. Sept.. 24, 1926. Brackets, adjusting and securing.-In a bracket of the kind having lugs 2a, adapted to embrace the head of a T-rail, and a lower screw or projection 2c to engage one of a series of holes in the rail so as to allow vertical adjustment of the bracket on the rail, the arm 1 is adjustably pivoted at 3 to the attachment portion 2. In the construction shown in Fig. 1 the arm is formed with a curved slot 5 for engagement with a stud 4 and wing-nut 7, carried by the portion 2. The pivot pin 3 may be detachable to permit various types of arm to be used. In a modification shown in Fig. 3, a screwed rod 4a is pivoted to the inner end of the pivoted arm 1 and passed through a lug 8 on the portion 2 for engagement with a nut 7a.
Patent GB-885568-A (GB)
Title: Improvements in and relating to servo-assisted steering arrangements, particularly for motor vehicles
IPC: B62D3/02
Filed: 1959-07-09
Abstract: 885,568. Steering vehicles. ZAHNRADFABRIK FRIEDRICHSHAFEN A.G. July 9, 1959 [July 26, 1958], No. 23675/59. Class 79(5). In a power-assisted steering mechanism, especially for motor vehicles, fluid under pressure is supplied to one side or other of a piston 10 according to the direction of steering, and the steering motion is transmitted to the wheels through a pair of cranks 22, 24, connected to the piston 10 by connecting rods 20 and 21, and to steering linkages to each of the steerable wheels through shafts 28 and 30.
Patent GB-425578-A (GB)
Title: Improvements in coke and like screens or graders
IPC: B07B1/46
Filed: 1934-08-16
Abstract: 425,578. Sifting-apparatus. WEST'S GAS IMPROVEMENT CO., Ltd., WEST, F. J., and WEST, E., Albion Ironworks, Miles Platting, Manchester. Aug. 16, 1934, No. 23674. [Class 117] Jigging-screens for coke &c. comprise a series of grid-like parts arranged cascade fashion and each consisting of a solid horizontal part a extending across the screen and a series of fingers b extending lengthwise of the screen at a slight angle upwardly from the horizontal, the vertical distance B, B between the tops of the fingers at their outer ends and the solid part of the grid next below in the series being greater than the space between the fingers by an amount substantially the same as that by which it is less than the shortest distance C, C between the solid parts of successive grids.
Patent GB-480759-A (GB)
Title: Improvements in constructional toys
IPC: A63H33/14
Filed: 1936-08-29
Abstract: 480,759. Toys. RICHTER, E. Aug. 29, 1936, No. 23727. Drawings to Specification. [Class 132 (iii)] A set of toy building-elements comprises bricks and roofing tiles of burnt clay of approximately one-tenth of the size of ordinary bricks (whole, three-quarter and half bricks) and tiles, and a binding agent. The bricks may be made in various colours, by a suitable choice or compounding of the clay, or by adding coloured chemicals, or by applying a coloured glaze. The binding agent may be either water soluble so that the blocks can be repeatedly used, or insoluble.