baber/WOPTO huggingface dataset:
Patent GB-661938-A (GB)
Title: Improvements in and relating to back-pedalling braking hubs
IPC: B62L5/04
Filed: 1949-05-20
Abstract: 661,938. Driving and braking mechanism for cycles. FIJN-MECHANISCHE INDUSTRIE BECKER'S SONS, N. V. May 20, 1949 [June 25, 1948], No. 13577/49. Class 136(ii) A back pedalling braking hub comprises a free wheel and is provided with a clutching member 26 adapted to be axially reciprocated by means of a thread on the driving member 6, the member 26 establishing a coupling between the driving member and wheel hub during forward rotation and actuating the brake through a pressure ring 19 during backward rotation of the driving member, the brake comprising discs 17, 18, abutting at one end against a non-rotatable stop member 2, fixed to the shaft 1 of the hub. The cone 15 of a bearing for one end of the hub is mounted on the stop member, and the other end of the wheel hub is rotatably supported by the driving member 6 which is supported by a cone 9 axially adjustable on the shaft. The cone 15 is axially adjustable with respect to the stop member 2. The brake is adjusted by the cone 9, the cones 9, 15 being adjustable on the shaft by loosening the counternuts 11 and 16. The cone 15 is adjustable mounted on the shaft independently of the attachment of the shaft to the fork.
Patent GB-170316-A (GB)
Title: Improvements in artificial silk production
IPC: D01F2/08
Filed: 1920-05-17
Abstract: The salts carried by or formed on the threads after leaving the acid precipitating-bath are recovered and utilized by washing the threads with dilute sulphuric acid so as to form the very soluble bisulphate of soda or potash, and then returning the resulting acid salt solutions, after concentration, to the precipitating-bath.  For the washing a 10-12 per cent sulphuric acid solution is preferably employed.
Patent GB-1481647-A (GB)
Title: Combustion apparatus for a gas turbine engine
IPC: F23R3/00
Filed: 1975-04-03
Abstract: 1481647 Combustion apparatus for gas turbine engines GENERAL MOTORS CORP 3 April 1975 [5 April 1974] 13609/75 Heading F1L Combustion apparatus for a gas turbine engine comprises a ceramic flame tube with an integral flange 32 biased against an L section ring 35 by a spring 39 to permit relative expansion of the flame tube and the flame tube supporting means which includes posts 36 welded to ring 35 and supported by combustion chamber cover 8. A ceramic felt or refractory metal fibre ring 34 is interposed between flange 32 and ring 35. Fuel enters the combustion zone 12 via a spray nozzle 14 and is fired by an igniter 46, air entering via swirler 23 and ports 31, the air being guided by an air baffle 27 which also shields the cover 8 from hot parts of the engine. Igniter 46 which is threaded into a socket 50 welded to cover 8 enters combustion zone 12 via port 55 sealed by a heat resistant gasket 54 which may be of ceramic felt, and which is maintained in engagement with the flame tube by a spring-biased cylindrical guide 52 slidable within socket 50 to accommodate thermal expansion.
Patent GB-395487-A (GB)
Title: Ornamental packing strip
IPC: B65D65/38
Filed: 1932-05-12
Abstract: 395,487. Boxes. DONALDSON, E. J., 41, Cogan Street, Pollokshaws, Glasgow. May 12, 1932, No. 13664. [Classes 18 and 94 (i).] A decorative strip for insertion in a box or container for sweetmeats, biscuits, &c. comprises a strip of paper 1 having one or both edges serrated or corrugated and coated with metal foil 2 which may be coloured or embossed. The paper is rendered grease-proof on the side remote from the foil by a coating of wax 4.
Patent GB-786486-A (GB)
Title: Improvements in or relating to nut and screw mechanisms
Inventor: GLASS JOHN ALEXANDER FORBES
IPC: G21C7/12
Filed: 1954-05-11
Abstract: 786,486. Screw-and-nut gearing. UNITED KINGDON ATOMIC ENERGY AUTHORITY. May 9, 1955 [May 11, 1954], No. 13669/54. Class 80 (3). [Also in Groups XXXV and XL (a)] Screw - and - nut mechanism, particularly adapted for controlling the position of a fissile element 10 in a nuclear reactor core 11, comprises a nut member 17 which is attached by tubular part 18 to a tube 15 working in a guide 16 and supporting the element 10 by a rod 12 on an arm 14 secured to tube 15. Co-operating with the nut 17 by a ball-bearing thread such as described in Specification 707,017 is a hollow screw member 19 which has a relatively rotatable head 21 thereon. This screw member is adapted to be rotated through a slidable splined connection by a shaft 23 driven through a magnetic clutch 24. In Fig. 1, the nut 17 is in its lowest position against a stop 30, corresponding to the fully withdrawn position of the reactor element 10, and the screw 19 is screwed down into the nut. On rotating the screw in one direction it is screwed out of nut 17 until it engages with its head 21 a stop constituted by a magnet 26, Fig. 2, the clutch 24 allowing the drive to slip. The nut is still left in its lower position, but if the drive of shaft 23 is reversed it is raised by the screw until it also engages the magnet 26, Fig. 3, which position corresponds to the full insertion of the element 10. By again reversing the drive the nut is screwed down. The arrangement provides an emergency control to withdraw the element 10 quickly by de-energization of the magnet 26 which allows the nut to fall with the screw from any position it may be in on to the stop 30.
Patent GB-1480971-A (GB)
Title: Preparation of isobutylphenyl compounds
IPC: C07C51/09
Filed: 1975-04-03
Abstract: 1480971 Isobutylphenyl-acetic and -propionic acids SPA SOC PRODOTTI ANTIBIOTICI SpA 18 March 1976 [3 April 1975] 13670/75 Heading C2C 2 - (4 - Isobutylphenyl) - acetic or -propionic acid is prepared by reacting 4-isobutyl-acetophenone or -propiophenone with an alkanol in the presence of a salt of trivalent thallium, e.g. thallium nitrate, and hydrolysing the resulting 2-(4-isobutylphenyl)-acetate or propionate. The reaction with the alcohol is preferably carried out in the presence of perchloric acid, and the hydrolysis is preferably effected by means of potassium tert.-butylate in an organic medium. 2-(4-Isobutylphenyl)-acetic acid may be methylated to form 2-(4-isobutylphenyl)-propionic acid by treatment with a methylating agent, e.g. MeI, in anhydrous liquid ammonia in the presence of NaNH 2  or KNH 2  prepared in situ from metallic sodium or potassium and liquid ammonia.
Patent GB-658048-A (GB)
Title: Power-driven vehicle such as a tractor-cultivator
IPC: A01B69/00
Filed: 1949-05-23
Abstract: 658,048. Walk-type agricultural tractors. HOWARD, A. C. May 23, 1949, No. 13687. [Class 79 (i) ] In a walk-type tractor the handlebars are independently pivoted at their forward ends upon the tractor for lateral movement and are interconnected by a spring and a toggle, the toggle being so arranged and the bars being so shaped near their interconnected points that either in the straight-behind position of the bars or in either extreme lateral position the spring will press both bars against the common pivot of the toggle to provide a light lock against lateral movement of the bars. As shown the tractor comprises an engine 14, side frame members, a traction cylinder 13 and an earth-working rotor 15. The engine 14 drives the cylinder 13 and rotor 15 through a shaft enclosed in the side frame member 11. Secured to each frame member is a bracket 18. Pivoted at 19 to the bracket is a plate 20. A rod 22 interconnecting the brackets 18 passes through an arcuate slot 21 in each plate 20. The plates 20 can be secured in the desired position relative to the brackets by a clamping nut 25. Pivoted on a bolt 30 in each plate 20 is a jaw 30 at the end of one handlebar 28. The handlebars 28 having hand-grips 29 are interconnected by the spring 31 and the toggle 30 comprising double links interconnected by a central pivot 33. In the position of the handlebars 28, shown in full lines in Fig. 2, corresponding to the straight-behind position of the handlebars, the spring 31 urges the handlebars together and forcing the pivot 33 rearwardly to close the toggle. With the handlebars in one of the lateral positions as shown in dotted lines in Fig. 2 the handlebars are urged together by the spring 31 and the toggle is in its open position.
Patent GB-123487-A (GB)
Title: Improvements in or relating to Rubber Heels for Boots and Shoes.
Inventor: CHAMBERLAIN CAWASJEE NOWROJEE
IPC: A43B21/433
Filed: 1918-08-22
Abstract: 123,487. Chamberlain, C. N. Aug 22, 1918. Protectors, construction of.-A revol.uble rubber pad backed with one or more layers c of canvas and having an embedded plate e for the securing screw d, is provided with a plug b to protect the head of the screw from dirt and moisture.
Patent GB-565769-A (GB)
Title: Improvements in mountings for machine guns and the like cannon
IPC: B64D7/02
Filed: 1940-09-04
Abstract: 565,769. Aircraft gun mountings. MARTIN, J., and MARTIN-BAKER AIRCRAFT CO., Ltd. Sept. 4, 1940, No. 13860. [Classes 92 (i) and 92 (ii)] A machine gun or cannon 1 mounted in an aircraft wing or similar confined space is carried at the breech end in a trough-shaped arm 7 supported at its ends by means affording initial adjustments of the gun's axis in elevation and training, the gun being detachably connected to the arm by removable pins 9, 10. In the form shown as applied to an aircraft wing, the arm is supported from wing spars 5, 6 at the front on a Carden joint 18, 24 and at the rear by a horizontal training screw 49 carried by a nut member which also engages a vertical elevating screw 31 mounted for rocking on a pin 42. The arm is provided with a cartridge-case outlet 53 in alignment with an opening in the aircraft wing, and, to prevent air entering the wing, a resilient packing ring 57 is provided round the opening.
Patent GB-930288-A (GB)
Title: Rotary metallurgical furnaces
IPC: C21C5/50
Filed: 1962-04-10
Abstract: 930,288. Track rings for rotary furnaces. DEMAG A.G. April 10, 1962 [April 19, 1961], No. 13864/62. Class 51 (2). A rotary metallurgical furnace 1 which is supported by track rings 2 bearing on rollers 3 has the surface or tread of the track rings formed of a wear-resistant built-up weld deposit. The track ring itself may be made of cast or forged steel or may consist of sheet steel laminations welded together.
Patent GB-1024229-A (GB)
Title: Welding of tubular members
IPC: B23K13/04
Filed: 1964-04-03
Abstract: 1,024,229. Welding by pressure. AMERICAN MACHINE & FOUNDRY CO. April 3, 1964 [April 18, 19631, No. 13886/64. Heading B3R. In high frequency welding of the longitudinal seam in a tube, the tube is enclosed in a die while being fed past the weld point, and pressure is applied to the edges of the tube adjacent the weld point, to force the edges inwardly of the die into engagement with each other. A cylindrical, tapered, circular or non-circular tube 15, Fig. 1, is enclosed in a two-part die 12 traversed between rolls 21, 22 along a slideway 27, 28 by pinions 24, 25 driving a rack 23. High frequency current of at least 50,000 # is fed to the tube edges by electrodes 31, 32 adjacent an aligning member 30 and rollers 34, 35 press the edges inwardly and into welding contact. To facilitate welding the complete length of the tube, a die 12<SP>1</SP>, Fig. 6, not shown, is used which extends beyond the ends of the tube. The die edges 18<SP>1</SP>, 19<SP>1</SP> at the forward end are provided with copper inserts which are connected by a member 41 so that a current path is established when the electrodes 31<SP>1</SP>, 32<SP>1</SP> engage the leading end of the tube 15<SP>1</SP>. A split copper annulus is inserted in the die adjacent the trailing end of the tube 151, so that the electrodes 311, 32<SP>1</SP> engage the edges of the annulus for completing a current path as the end of the tube is welded. In a modification a number of cylindrical blanks for wheel rims are enclosed in a die 61, Fig. 10, not shown, which is stationary or is fed as before. If stationary the blanks are pushed through the die 61. High frequency current is fed to the edges of the blanks by electrodes 66, 67 longitudinally spaced and straddling the edges. The conductors 69, 70 to the electrodes 66, 67 are in the form of water carrying tubes one of which extends longitudinally of and adjacent to the edges of the blanks.
Patent GB-788235-A (GB)
Title: Improvements in aircraft fuel tanks
IPC: B64D37/04
Filed: 1955-05-13
Abstract: 788,235. Integral fuel tanks for aircraft. GLOSTER AIRCRAFT CO., Ltd., and RICHARDSON, W. B. May 14, 1956 [May 13, 1955], No. 13888/55. Class 4. A fuel tank formed integrally with wing structure on an aircraft comprises a circumferential shell 1 preformed with flanges 8 and 9 and secured through its webs to wing spar members 6 and 7 and rib members 4 and 5 by rivets which are sealed by a suitable compound. Upper and lower closure panels 2 and 3, which act also as wing skin panels, and riveted to flanges 8 and 9 and also to flanges 10 of members 4-7. A reinforcing baffle member 14 may be secured within the tank with its flanges 16 secured to the closure panels. To enable the riveting to be completed one panel, such as panel 2 is provided with a sealed detachable cover plate 12.
Patent GB-487911-A (GB)
Title: Improvements in process and apparatus for rolling tapered spars
IPC: F02M21/00
Filed: 1937-05-18
Abstract: 487,911. Rolling profile bars. CAIRNS METALS CORPORATION, (formerly CAIRNS AIRCRAFT CORPORATION). May 18, 1937, No. 13914. Convention date, July 25, 1936. [Class 83 (iv)] In the manufacture of spars, &c. for aircraft, the structural element of concavo-convex cross-section, such as V-, L-, or U-shape, and tapered lengthwise, is produced by passing a blank A attached to a former element 2 between rolls 18, 20. The former element varies the working distance between the rolls. The element 2 is of triangular cross-section, and the roll 18 has a complementary V-groove. The angle of the V-groove is less than the angle of the former. The distance between the apexes is preferably equal to the thickness of the metal blank. The blank A, Fig. 6, has a longitudinal taper so that when it is tapered in thickness there is no increase in width but only increase in length during rolling. The metal flows transversely and axially. The base 4 of the former increases in depth to vary the working space. Grooves 32 form beads on the finished spar. Depressions 36, 42 and abutments may be provided to form spar bosses 38. The former may be curved to produce curved spars. The blank A is attached by pins 6 and perforations 8. The end of the blank is conformed to the shape of the former member by forging and swaging. The bar 4 and blank A are drawn along a table 10 over rollers 12 and between the rollers 18, 20 by chains 14, &c., Fig. 2. Light metals may be shaped cold. Magnesium and stainless steels, at temperatures of 450 and 1650‹ F., respectively. An electrically-heated muffle furnace 44 and a non-oxidizing gas jacket 47, Fig. 8, may be used. The blank A may be guided by transversely-sliding jaws adjusted by right-and-lefthanded screws mechanically or by hand. The blank A may be varied in shape.
Patent GB-461178-A (GB)
Title: Improved device for securing railway rails
IPC: E01B9/40
Filed: 1935-05-11
Abstract: 461,178. Securing railway rails. DE WENDEL & CIE, LES PETITS FILS DE F. May 11, 1935, No. 13925. Convention date, Jan. 23. [Class 104 (ii)] Rails are secured in chairs 9 by clips 19 secured between the rail flanges and ribs 12 on the chairs by bolts 22, the heads 25 of which are housed in channels 5 in the sleeper. The chairs may be located between ribs 6 on the sleeper. In another form, the clips have extensions projecting down into the channel 5 and are clamped in position by wedges driven through slots in the extensions and bearing under the chair. Electric insulation pads may be arranged between the rail and chair and between the clips 19 and rail flanges. If the sleeper is concrete, the chair is provided on its underside with perforated ribs by which it is connected to the reinforcing bars of the concrete.
Patent GB-458923-A (GB)
Title: Improvements in or relating to television mirror drums or wheels
IPC: H04N3/08
Filed: 1936-04-08
Abstract: 458,923. Television. BELL, J., 13, Lucerne Road, Highbury, London, and WORTHINGTON, W. S., Little Pipers, Clay Hill, Enfield, Middlesex. April 8, 1936, No. 14004. [Class 40 (iii)] The reflecting surfaces of a television mirror drum are formed of or carried by individual metal elements 11, 12 bent into two planes at right angles and rockably attached by screws 17 to a metal plate 16 having two adjusting screws 9, 20 for each element, the screw 9 acting in the region of the bend to set or adjust the angles of the respective surfaces in one dimension whilst the screw 20 has an eccentric portion 19 adapted to act in a slot 18 in each element to rock same to set or adjust the reflecting surface in the other dimension. The plate 16 is secured by screws 7 to a wooden or metal disc 4, the periphery of which is recessed to receive a resilient ring 5 against the action of which the screws 9 act. The disc 4 also has a flange 41 to bring it to the same diameter as the plate. The portion 12 may be highly polished, e.g. chromium-plated steel, to constitute the reflecting surface, or may have a mirror 25 secured thereto by a housing 21, 22, 23, 24 formed from the blank shown in Fig. 3.
Patent GB-424151-A (GB)
Title: Improvements in or relating to electric starting systems for incandescent ignition internal combustion engines, particularly heavy oil engines
IPC: F02P15/12
Filed: 1934-05-10
Abstract: 424,151. Ignition devices and systems. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. May 10, 1934, No. 14090. Convention date, May 31, 1933. [A Specification was laid open to inspection under Sect. 91 of the Acts, Nov. 16, 1934.] [Class 7 (iv)] [See also Group XXXV] In a starting system for internal-combustion engines equipped with incandescent ignition plugs, operation of a two-stage switch causes energization of the ignition plugs 14 through a resistance 10, 11, in the first stage, at least part of the resistance being cut out in the second stage in which the starter motor is also switched on. A casing 1 encloses a two part resistance 10, 11 and the terminals of the resistance 10 are connected to contacts 3, 4 on a base 2, which contacts co-operate with a switch member 27, having contact limbs 28, 29 of unequal length. The switch 27 is mounted on a spindle 22 which is axially movable against a spring 23 by a bush 16 which is rotatable by a control handle 20 and is moved axially during rotation by a pin 17 co-operating with an inclined slot 18 in a sleeve 15. On the member 27 is also mounted a spring contact member 25 which co-operates with a contact 5 on the base 2, said contact being connected to the coil of a starting circuit contactor 34, 35. The member 27 and contact 25 are connected to one pole of the starter battery, the free end of the resistance 11 being connected to the ignition plugs. Rotation of the handle 20 first causes closure of the contacts 28, 3 to energize the ignition plugs through resistances 10, 11 in series, a notch in the slot 33 maintaining the switch in this position. Continued rotation of the handle 20 causes closure of contacts 29, 4 and 25, 5 thus energizing the starter contactor and short circuiting resistance 10 for starting. The resistance 11 is incandescent whilst in circuit and is placed under a window 12 in the switch casing.
Patent GB-1291962-A (GB)
Title: Internal combustion engine having a dual induction system
IPC: F02B75/22
Filed: 1971-05-10
Abstract: 1291962 I C engine induction passages FORD MOTOR Co Ltd 10 May 1971 [29 June 1970] 14106/71 Heading F1B A tube 56 press fitted into a bore in the cylinder head is in engagement with the head 38 of the closed intake valve 32 and defines externally and internally respectively the downstream ends of a mixture passage 28 and an air or mixture passage 30. The passages 28 and 30 are connected by respective manifold passages 12 and 14 to throttle valve controlled passages in a carburetter 16. The toroidal passage 62 around the tube 56 provides for swirl in the mixture entering the engine cylinder and a projection (64), Fig.5 (not shown), into the passage from the cylinder head towards the tube determines the swirl direction. (For Figure see next page)
Patent GB-223519-A (GB)
Title: Improvements in tension regulators for section beams on slasher and warper creels
IPC: D02H13/00
Filed: 1924-06-12
Abstract: 223,519. Arnold, W. W. June 12, 1924. Yarns, warping and beaming. - In slasher and warper creels, the section beams 11, Fig. 1, are braked by means of ropes or bands 21 adjustably connected at one end to brackets 23 and furnished with hooks 27 connected to hooks on the offset lugs 28 of arms 29 of levers 29, 31, Figs. 1, 3 and 4, of tension regulators, the longer arms 31 of which support rotatable roller shafts 45. The levers 29, 31 have hubs secured to shafts 33 mounted in bearings 35, opposite and aligned shafts being furnished with housings 37 - pressed into sleeves 36. The housings are furnished with ball-bearing assemblies 38, 39. A dust and grease cup 41 threaded on to a portion 40 of the housing 37 is furnished with a duct 42 for lubrication. Each sheet of warp passes over a sleeve 36 and under the corresponding roller shaft 45 thence over the other tension regulator forward thereof to the size box or direct to the loom beam. The shafts 45 float on the yarns and as the tension varies the levers 29, 31 rock. thereby causing the frictional engagement of the braking-members 21 to be varied so as to secure an even tension in each sheet of yarn. The shafts 45 are reduced at their ends, which are received in openings 46 in the lever arms 31. The openings 46 are larger than the reduced ends of the shafts, which can thus tilt slightly when necessary, the carrying levers 29, 31 for each end of a roller shaft 45 being independently mounted.
Patent GB-1359601-A (GB)
Title: Brake applying mechanism including spring means to exert a brake  applying force
IPC: F16D65/22
Filed: 1973-02-15
Abstract: 1359601 Spring-applied drum and other brakes; fluid-released actuators AUTOMOTIVE PRODUCTS Ltd 15 Feb 1973 [27 March 1972] 14302/72 Headings F2E and F2F To facilitate accommodating in a brake the spring means of a spring-applied fluid-pressurereleased applying mechanism, the spring means comprise a stack of spring leaves having a length greater than their width, the stack being interposed between a fixed abutment and a plunger. In Fig. 2, shoes 10, 11, of an internal shoe drum brake are expanded for service braking by a fluid-pressure-operated wheel cylinder 14. The shoes may also be expanded by a wedge member (not shown) preferably acting between the pistons 13 of the wheel cylinder and coupled to a stem 15. The wedge member is moved to applying position by a stack of pairs of curved spring leaves 19 acting on a piston 17 fixed to the stem 15, and to release position by pressure liquid admitted at 28. The spring leaves have a generally-rectangular shape in elevation and in Fig. 1 (not shown) the vertical-to-horizontal ratio is approximately 3 to 1. In Figs. 3 and 4, a plurality of groups of spring leaves 39, each group consisting of two leaves with concave sides facing in the same direction, is held together by a cage 43 and acts on a stepped piston 36. The stepped piston 36 acts through a stem (not shown) on a wedge-type brake shoe expander. End 35 of cylinder 32 is connected to the wheel cylinder, not shown. The load imposed by the spring leaves is normally supported by pressurized liquid introduced at 44. To enable the brake to be released if this (normal) source of pressure is inoperative, a further inlet 45 is provided for admission of pressurized liquid from a separate source, such liquid acting, in annular space 37, on a floating piston 38 which then makes contact with the stepped part of piston 36. It is stated that a rotary cam may be substituted for the wedge mechanism referred to, and that the mechanism according to the invention may be used to operate disc brakes.