baber/WOPTO huggingface dataset:
Patent GB-915041-A (GB)
Title: Improvements in or relating to solid rocket propellants
IPC: C10L7/02
Filed: 1961-01-20
Abstract: 915,041. Rocket propellant compositions. DYNAMIT NOBEL A.G. Jan. 20, 1961 [Jan. 21, 1960], No. 2485/61. Class 9 (2). In a solid rocket propellant one or more polyamides plasticized with one or more dihydroxy benzenes are used as binding agent and fuel. Specified polyamides are polycaprolactam, poly condensates of #-aminoundecanoic acid, and adipic acid-hexamethylene diamine and sebacic acid-hexamethylene diamine types and they may be treated with 30-50% by weight of the polyamide of hydroquinone, resorcinol or pyrocatechol. Preferably ammonium nitrate or ammonium perchlorate is mixed with the plasticized polyamide at 90-100‹ C. and the mass shaped by means of an extruder or hydraulic press.
Patent GB-233280-A (GB)
Title: Combined metal, paint, floor & furniture polish
IPC: C11D7/60
Filed: 1925-01-28
Abstract: A material for polishing metal, paint, floors, furniture, &c is made by mixing caustic potash and ammonium carbonate, in powder form, with cold palm oil.
Patent GB-695687-A (GB)
Title: Improvements in vertical close-ended tube boilers
IPC: F22B23/00
Filed: 1952-01-30
Abstract: 695,687. Vertical steam boilers. KUCZEWSKI DE PORAY, M. C. Jan. 30, 1952 [March 1, 1951], No. 2530/52. Class 123 (ii) In a vertical steam boiler the inner shell 6 has a converging-diverging throat 10, 11 which is interposed between a lower shell portion, defining a furnace 3, and an upper portion, housing close-ended water tubes 9, and is fitted with an inner, preferably refractory, ring 14. The throat may be formed from two similar metal pressings which are connected together and to the shell portions by welding, as at 12, 13, or by riveting, and a central space free of tubes is provided above said throat to locate a bellshaped radiating body 16.
Patent GB-266315-A (GB)
Title: Device for preventing theft of spare wheels and of pneumatic tires mounted thereon
IPC: B62D43/00
Filed: 1927-01-28
Abstract: 266,315. Compagnie d'Applications MÚcaniques. Feb. 19, 1926, [Convention date]. Mounting and securing spare tyres and wheels on vehicles. - In order to prevent the theft of spare, wheels, or of the tyres mounted thereon, a rigid arm 6 fixed to the vehicle body or to the bracket 5 of the hubsupport 2, passes through the wheel between the hub and rim and terminates in an eye 7 or other part to receive a movable locking- member, such as a pivoted arm 8 secured to the vehicle and provided with a permutation or other lock. In a modification, the pivoted arm 8 is replaced by a flexible strip of steel, reinforced leather, &e. surrounding the tyre and carrying a locking-device, which has an aperture to fit over the end of the arm 6 and a bolt to engage a notch in the arm. Specification 265,943 is referred to.
Patent GB-1509332-A (GB)
Title: Valve
IPC: F16K31/53
Filed: 1976-01-22
Abstract: 1509332 Valves NUOVO PIGNONE SpA 22 Jan 1976 [29 Jan 1975] 02561/76 Heading F2V A shut-off vavle, e.g. for compressors for polluting and corrosive gases, comprises a valve seat 23, a movable valve member 24 carrying a seal 1 co-operable with the seat, a number of pinions 14 located within an internal body 6 and rotatable by a gear-wheel 16, a number of axially-adjustable but non-rotatable pins 26 screwed into the pinions, and spring means 11 positioned between the valve member and flanges 10 on the pins. The valve is shown in its open position permitting flow from inlet 3 to outlet 4. Rotation of the gear-wheel in the appropriate direction, as by a remote motor, rotates the pinions and causes the pins to move upwardly whereby the valve member is raised via the spring means. Once the seal 1 abuts the seat 23 continued rotation of the pinions increases the sealing force. A pair of bellows 7, 8 protect the pins and pinions from attack by the controlled fluid. The outlet may instead be provided in the area defined by the seat 23.
Patent GB-607186-A (GB)
Title: Antibiotic substances and processes for preparing same
IPC: C07H15/238
Filed: 1946-01-29
Abstract: Basic, water-soluble antibiotic substances such as streptomycin and streptothricin, produced by the metabolism of species of Actinomyces are extracted from the culture broth by adsorption on charcoal and elution with a dilute solution of a aliphatic carboxylic acid having from one to five carbon atoms in the molecule in aqueous alcohol. Excess acid may be removed by evaporation under reduced pressure and the salt of the antibiotic substance is precipitated by the addition of alcohol followed by acetone.  Specified carboxylic acids are formic acetic and propionic.  In examples: I streptothricin adsorbed on charcoal is extracted with formic acid in methanol; II streptomycin is similarly extracted; III streptomycin is extracted with acetic acid in methanol and IV streptomycin is extracted with propionic acid in methanol.
Patent GB-382822-A (GB)
Title: Improvements in cutting tools more particularly for use in chiropody
IPC: A61B17/54
Filed: 1932-02-01
Abstract: 382,822. Cutting. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. Feb. 1, 1932, No. 2912. Convention date, Feb. 21, 1931. [Class 31 (i).] Milling-cutters, machines with &c.-A rotary cylindrical cutting tool, more especially for removing horny skin in chiropody, but which may also be used on materials such as rubber or hard rubber used in dentistry, is provided with spiral cutting edges a, which are subdivided by non-cutting spiral grooves b running diagonally thereto in order to obtain a number of rhomboidal cutting teeth, each with one cutting edge. The pitch of the groove is opposed to, and small compared with that of the cutting edges. The width of the groove is preferably not greater than half the width of the cutting edge of a tooth.
Patent GB-1100342-A (GB)
Title: Improvements in or relating to weighing scales
IPC: G01G19/00
Filed: 1964-01-23
Abstract: 1,100,342. Weighing apparatus. S.S. FREEMAN. Jan. 25, 1965 [jan. 23, 1964], No. 3027/64. Heading G1W. A weighing machine in which downward deflection of a weigh pan 12 against the action of springs 19 actuates a rack and pinion mechanism to rotate a dial by an amount corresponding to the load on the weigh pan 12 is characterized in that the weigh pan is arranged to be supported at right angles to the body of the machine during weighing operations and to be rotated to a body abutting position Fig. 2 (not shown) when not in use, the weigh pan 12 being of a generally rectangular dish shape and provided at one corner with a pouring lip 13b. The weigh pan is supported on a platform 11 suspended by two bars 14 which are rotatably mounted in box-shaped pivots 15 fixed to the lower ends of an inverted Y-shaped slide 16a. The slide 16a having slots 20 to engage with guide rivets 21 mounted on the back plate of the body is arranged to move downwards in accordance with the load in the pan against the action of the springs 19 attached at their upper ends to the body and at their lower ends to the slide, ball bearings being provided between the slide and the back plate to avoid friction. The rock of the rack and pinion mechanism is arranged on the slide to rotate a spindle of the dial which is viewed through a lens 17 together with a fixed pointer.
Patent GB-324807-A (GB)
Title: An improvement in or relating to valves for controlling automatically the flow of fluid in pipe lines
IPC: F16K17/32
Filed: 1929-01-30
Abstract: 324,807. Blakeborough, R. A. Jan. 30, 1929. Fluid - actuated valves; electrically-actuated valves. -A selfclosing valve has a sliding closure member a provided with a nut d engaging a spindle c adapted to be rotated by a motor h acting through toothed gearing e, f, g and worm gearing c<1>. The motor, which may be of the hydraulic type, or a compressed air or electric motor may be used, is controlled by variations in the pressure conditions in the conduit consequent on variations in the velocity of flow, Venturi or Pitot tubes being inserted in the main for this purpose. In the form shown in the Figures, the motor is formed as a Pelton wheel and is controlled by two valves k, j. The valve k is closed by a lever k<1> and is held closed against the action of a weight as long as a predetermined pressure is maintained by conduit pressure admitted through the pipe i acting on the valve member. The valve is of the quick-closing variety, opened by hand and closed by operating a trip lever p. The lever p is adapted to be operated, as the main valve approaches its seat, by a block n, traversed by a screw, geared to the spindle c, engaging a member o connected by a cord with the trip lever.
Patent GB-579068-A (GB)
Title: Improvements in or relating to shearing and cutting-off dies and holders therefor
IPC: B26D1/00
Filed: 1945-02-07
Abstract: 579,068. Shear-blades. METAL TRIM, Ltd., and PENKALA, E. Feb. 7, 1945, No. 3105. [Class 83 (iv)] An apertured shearing cutter 24.is located in a holder 25 by pins 18 with flattened heads engaging flats 26 on the cutter. A small cutter 24 may be located in a' holder 25 similarly located by pins in a holder 12.
Patent GB-1211591-A (GB)
Title: Improvements in or relating to devices for driving toothed wheels
Inventor: DURAND FRANCOIS
IPC: F16H57/02
Filed: 1968-01-19
Abstract: 1,211,591. Toothed gearing. F. DURAND. 19 Jan., 1968, No. 3123/68. Heading F2Q. To ensure correct meshing between a driven gear 1 and a driving pinion 2, the latter is mounted in a floating case 3 held against movement tangentially of the gear 1 by a link 7 universally jointed at 6 to a fixed point and at 8 to the case 3, the gear and pinion being held in mesh by means retaining the case 3 only in the plane II-II containing the pinion and gear axes, a secondary link 9 preventing the case 3 from pivoting about the pinion axis. In Fig. 1, the retaining means is a roller 4 mounted on the case 3 and engaging an internal track 5 of the gear 1. In Fig. 6 (not shown) the retaining means is a link (4a) having its longitudinal axis in the plane II-II, with universal joints (21) to the case 3 and (22) to a fixed point. In Fig. 8, a triangular plate 12 pivoted at 13 to the case 3b carries rollers 4b which engage the track 5b of gear 1. In Fig. 1, the secondary link 9 is universally pivoted at 10 to an extension 20 of the case 3, and at 11 to the link 7, so that it is at about 90 degrees to the link 7. In Fig. 7, the secondary link 9a is parallel to the link 7, being pivoted at 11a to a fixed point. The pinion 2 may be driven directly, or via reduction gearing 14, 15 (Fig. 8).
Patent GB-474576-A (GB)
Title: Improvements relating to continuous kilns
IPC: F27B9/16
Filed: 1936-02-03
Abstract: 474,576. Tunnel kilns. HARTFORD, F. M. Feb. 3, 1936, No. 3168. Convention date, April 13, 1935. [Class 51 (ii)] Hearths.-In an annular tunnel kiln, the hearth consists of segmental sections 28 carried by frames 27 which are freely supported on spaced carrier members 24, the latter being disposed beneath the abutting ends of adjacent sections 28. In the form shown in Figs. 2, 3, the carrier members 24 rest on circular rails 23 which, in turn, are supported by rollers 18 mounted in bearing brackets 20 adjustable in fixed base plates 21 ; transmission of heat to the rings 23 and rollers 18 is minimized by the provision, on the carriers 24, of upwardly projecting flanges 25 on which rest flanges 26 formed on the hearth frames 27. Figs. 4, 6 show a modification in which the carrier members consist of wheeled trucks 43 running on rails 42, the downward transmission of heat being in this case reduced by the provision of upstanding pads 44 on which the hearth frames 27a rest. The trucks 43 are attached by loose pins 46 to a driven circular H-section rail 47, set screws 50, bearing on tongues 48 secured to the trucks, being provided to permit the wheel axles 40 to be adjusted to their true radial positions in relation to the kiln. In both constructions, the spaces between the adjacent ends of adjoining hearth sections 28, 28a are sealed by gaskets 38. The invention is described as applied to a muffle-heated kiln having side heating-chambers D, Fig. 2, through which the gases from burners 12 flow in counter-current to the goods and. which diminish gradually in cross section in the direction of gas flow.
Patent GB-414409-A (GB)
Title: Improvements in machines or apparatus for filling bottles or the like with liquids
IPC: B67C3/28
Filed: 1933-02-03
Abstract: 414,409. Bottling. LAUDER, L. T., 4, Miles Hill Street, Leeds. Feb. 3, 1933, No. 3272. [Class 125 (ii).] An apparatus for filling sprinkler neck bottles &c. comprises a fluid chamber 1 with a pressure supply pipe 9 and a delivery valve 14 operated by a lever 30 against the action of a spring 19. If it is desired to fill a range of bottles a loose valve is employed connected to the vessel 1 by a pipe 34 and cock 35. Modifications in the valve body are shown and described.
Patent GB-789532-A (GB)
Title: Improvements in or relating to rotary machines
IPC: F01C3/06
Filed: 1954-02-04
Abstract: 789,532. Rotary heat-exchangers. MARSHALL, J. W. Jan. 28, 1955 [Feb. 4, 1954; Feb. 23, 1954; March 5, 1954; March 23, 1954; May 21, 1954; Aug. 6, 1954; Nov. 4, 1954], Nos. 3289/54, 5285/54, 6458/54, 8423/54, 15029/54 22915/54 and 31891/54. Class 64(3) [ALso in Group XXVI] A rotary heat exchanger or air preheater Fig. 2, comprises a two-part casing 10, 11 each portion of which is provided with its own inlet and outlet ports, see also Figs. 1, 13 and 13A (not shown). The wall 13 of the casing is frusto-conical whilst the wall 14 is flat or frusto-conical. The rotor has a frusto-conical face 16 and eight blades and is formed integral with or secured to the shaft 17. The arcuate edges of the blades fit around a hub 19 which is fixed to a shaft 20 and carries a disc 21 in contact with the surfaces 13, 16 and an annular groove 22. The blades are connected to a shroud 26 which fits within a recess formed in the wall 13. The disc 21 is provided with oscillating shutters which are slotted to permit passage of the blades 18, for constructional details of which the Specification should be referred to. In a modification, see Fig. 14 (not shown), the bevel drive 31, 32 of the above described unit is dispensed with the blades driving the disc through the shutters. In a second modification, Fig. 16, the blades 18 are supported by the shaft 17 and a bearing 44 which is carried by lugs 45 on said blades. In a final modification, Fig. 15. the casing 11 is provided with an axially directed outlet port 48 and thin shroud rings 46, 47 are provided to support the blades together with a shroud 49. Alternatively, a shroud 49 or rings 46, 47 may be provided on each side of the blades and a recess 50 for the passage of cooling fluid may be disposed behind the shroud or each shroud ring. Means may be provided for adjusting the gear connection between the disc and the blades in order to take up wear. see Fig. 17 (not shown). A hot fluid is circulated on one side of the disc and a cooler fluid may circulate on the other side so that the apparatus acts as a heat exchanger or air preheater. For cross-sectional views of different forms of shutter edges Figs. 18-22, (not shown), should be referred to. Snecification 462,054 [Group XXVI] is referred to in the sixth Provisional Specification.
Patent GB-693620-A (GB)
Title: Capacitor
IPC: H01G4/228
Filed: 1950-02-08
Abstract: 693,620. Condensers. FARBENFABRIKEN BAYER. Feb. 8, 1950 [July 25, 1949], No. 3294/50. Class 37. Metal foil is coated on at least one side with an adhesive dielectric plastic layer on which is coated a second metal layer, the foil then being folded zig-zag fashion, Fig. 2. Connection may be made to the metal layers at two opposing bent edges and at the longitudinal edge, Fig. 3. Contact strips comprising paper foil metallized on one side are similarly folded and inserted within the condenser folds. By inserting several such strips the condenser may be formed into several capacities, Fig. 8. The condenser may be housed in a plastic casing and held together by springs. Specification 676,893 is referred to.
Patent GB-588333-A (GB)
Title: Improvements in door mats and the like
IPC: A47L23/26
Filed: 1945-02-09
Abstract: 588,333. Pile fabric mats. CLIFFORD, J., and CLIFFORD, W. C., [trading as CLIFFORD & SON, J.] and COOKER, J. W. Feb. 9, 1945, No. 3356. [Class 142 (iv)] A door mat or like pile fabric article comprises tufts of coarse fibre, e.g., coir, which are inserted into the meshes of a backing wire or other netting. In the form shown, galvanised iron wires 1, are twisted at 2 to form a series of bays and a continuous length of coir yarn is fed across the wires and looped up into each bay as at 3. The wires are again twisted together in pairs to form meshes 4 and after all the meshes are formed the top pile loops are cut to leave a straight pile 5. In a modification, the coir tufts are inserted into the meshes of a previously manufactured wire netting.
Patent GB-910109-A (GB)
Title: Improvements in or relating to electric thermal storage space heaters
Inventor: LANE RICHARD JOHN
IPC: F24H7/04
Filed: 1959-01-30
Abstract: 910,109. Electric storage heaters. GENERAL ELECTRIC CO. Ltd. Jan. 27, 1960 [Jan. 30, 1959], No. 3379/59. Class 64 (2). In a storage heater comprising closed casing 1 lagged on its inner surface with insulating material 2, the heat storage material is partly in heat transfer relationship with the casing and is heated by heating element 4; the heatstorage material being so arranged that an incoming air stream driven by fan 5 passes through at least two ducts, in one of these (duct 7) the air is in good thermal contact with the material 3, and in the other (duct 8) the air stream is substantially unheated, the ducts being so disposed that the two air streams mix prior to passing out through louvred outlet 6. The relative flow of the two air streams, and hence the temperature of the outlet air, is governed by means of valve 10 which is controlled through linkage 12 by a helical bimetallic temperature sensitive coil 11. In operation, space heating is effected by means of the air stream and by direct radiation of heat from the casing 1. Reference has been directed by the Comptroller to Specification 693,961.
Patent GB-400047-A (GB)
Title: Improvements in or relating to outer casings for inflatable bladders
IPC: A63B41/04
Filed: 1932-05-17
Abstract: 400,047. Inflatable body attachments. SUTTLE, F., 3, Fitzroy Street, Cambridge. May 17, 1932, Nos. 3400/33 and 3401/33. Divided on 402,398, [Group XV]. [Class 77.] In " water wings " for supporting a person in the water and formed by connecting two balls by a strap attached to the carrying loops 12 on the balls, the balls are of the type wherein an outer casing is provided with an insertion aperture for inserting or removing a bladder which may be inflated through an inflation tube, and have the casing provided with a tape adjacent the insertion aperture for attachment to the inflating tube in order to position the bladder within the casing and facilitate its withdrawal. As shown in Fig. 1, a tape 9 is attached to the ball casing at two points 10, 11 to provide a carrying loop 12, and has a loop 13 fitting over the inflating tube 14 of the bladder, the free ends 15 of the tape being used to tie the tube after inflation. A closing tongue 6 is tucked into the insertion aperture 3 after insertion of the sealed tube. In Fig. 3 is shown a tape formed by stitching together two separate lengths. The inflating tube is provided with a shoulder 16 to prevent the tape being pulled off. In a modification where the tape is in a single length, the inflating tube is sealed by winding the tape round the tube without knotting as shown in Fig. 5 and retaining the free end of the tape by means of an elastic band 26 secured to the end of the tape. The carrying loop 12, Fig. 1, may be independent of the tape.
Patent GB-245298-A (GB)
Title: Improvements relating to display-busts, lay-flgures or the like
IPC: A63H3/46
Filed: 1925-02-09
Abstract: 245,298. Harris &. Sheldon, Ltd., and Seckerson, H. W. Feb. 9, 1925. Lay-figure and like stands.-Relates to means for adjustably securing the limbs of lay-figures to the body portion. In the construction shown in Fig. 3, the arm or shoulder portion 6 is provided with a split sleeve 2 engaging a socket 8 in the body part 1 and expanded into engagement therewith by a screw 5 with a tapered head 9, the screw passing through a screwed hole in the base 4 of the sleeve and projecting through a hole 11 in the arm &c. 6 so that its slotted end 12 is visible from the outside. The sleeve 2 may be drawn more or less out of the socket 8 to vary the shoulder width. In a modification the sleeve may be secured to the body portion, the cone for expanding the sleeve having a central tapped hole for engagement with a screw rotatably secured to the body portion. In a further modification shown in Fig. 8 the split sleeve is replaced by loose pieces 16.adapted to be forced, by a screw operated cone 9, through openings in a non- expansible sleeve 2 carried by the arm 6 and inserted in a socket 17 in the body part 1. According to the- Provisional Specification the screw 5 may be replaced by a spring.
Patent GB-675162-A (GB)
Title: Improvements in or relating to electric discharge tubes
IPC: H01J19/36
Filed: 1946-08-02
Abstract: 675,162. Cooling discharge apparatus. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Aug. 2, 1946 [Aug. 7, 1945], No. 3544/47. Divided out of 675,161. Class 39 (i). In an electric discharge tube with a cylindrical surface to be cooled, e.g. the exterior surface of an anode, the cooling medium passes along a plurality of paths, each of which is not longer than a third of the diameter of the surface, the paths being defined by a first series of partitions 71 parallel to the axis and a second series of three or more partitions 73 normal to the axis which abut against the outer edges of the first series of partitions and define a plurality of chambers communicating with axially directed intake and/or outlet ducts; at least half the surface, and preferably all the surface is exposed to the cooling medium. As shown in Fig. 3 the partitions 73 may be open at two sides which communicate alternately with outlet ducts 74, Fig. 2, and with either inlet ducts or the atmosphere. The cooling system may be formed integrally with the discharge tube or they may be separate units; some of the partitions may be of zig-zag folded metal strip. The discharge tube may be a thermionic valve or an X-ray tube. The Specification as open to inspection under Sect. 91, also describes arrangements in which the flow of cooling fluid is circumferential instead of longitudinal. In Fig. 2 (Cancelled), the anode has secured to it annular plates 45 which communicate with four ducts 46 joined to an exhaust tube 48. In Fig. 6 (Cancelled), two systems of the kind communicate with a common exhaust duct 63 at the middle of the anode. This subject-matter does not appear in the Specification as accepted.
Patent GB-247378-A (GB)
Title: Manufacture of sulphide dyestuffs
IPC: C09B49/10
Filed: 1925-02-10
Abstract: 247,378. Bloxam, A. G., (Akt.-Ges. f³r Anilin-Fabrikation). Feb. 10, 1925. Sulphuretted dyes; indophenols.-Sulphide dyestuffs are obtained by melting with sulphur or a compound yielding sulphur (other than strongly alkaline sulphurizing agents) a leuco-indophenol substituted in the amino-group by a group which will undergo thiazole ring formation during sulphurizing, such as methylene, benzylidene, benzyl, an aliphatic or aromatic acyl group or a substitution product of such a group. In examples the indophenols obtained by treating 4-amino-4<1>-oxydiphenylamine with benzaldehyde benzol chloride and acetic anhydride respectively are baked with sulphur at 200‹ C., the melt dissolved in aqueous sodium disulphide and the dyestuffs precipitated by pressure of air through the solution. They all dye cotton from a sulphide bath reddishbrown shades fast to chlorine, soap &c.