baber/WOPTO huggingface dataset:
Patent GB-728019-A (GB)
Title: Improvements in or relating to mortise locks
IPC: E05B55/02
Filed: 1953-03-23
Abstract: 728,019. Door locks and latches. MEFINA SOC. ANON. March 23, 1953 [Jan. 14, 1953], No. 7887/53. Class 44. A mortise lock has a bevelled bolt 22 with a tail piece 21 pivoted at 20 to a plate 19 formed with a guide slot 26 engaging a lug 28 on a base plate 1. Plate 19 is coupled by a slot 24 to a lug 17 on a three-armed lever 16 pivoted at 15 to an arm 14 of a second three-armed lever, an arm 12 of which is engaged by an arm 8 driven by the squared operating spindle 4. Thus clockwise rotation of the spindle 4 causes the bolt 22 to move to the right, Fig. 1, against the action of a return spring 10, to unlatch the door. The same action is produced by clockwise rotation of a key (not shown) which engages the left-hand side of a projection 25 on the plate 19. To move the bolt to the left to lock the door positively a key 29, Fig. 5 is rotated anticlockwise. The key first engages the lower edge 18 of lever 16 to lift lug 17 clear of slot 24. The key then engages the right hand side of projection 25 to move the bolt to the left as shown. The guide lug 28 then lies in a locking recess 27 and the parts are held in this position by the downward pressure of lug 17 under the action of levers 16 and 14 and the spring 10. The bevelled bolt 27 may be reversed to change the 'hand' of the lock by removing the cover plate (not shown), withdrawing the pivot 20, and rotating the bolt 22 and tail 21 through 180 degrees about the longitudinal axis.
Patent GB-1019492-A (GB)
Title: Improvements in and relating to cable stay bridges
IPC: E01D11/04
Filed: 1964-02-26
Abstract: 1,019,492. Bridges. COMPAGNIE D'INGENIEURS ET TECHNICIENS D'ETUDES (C.I.T.E.). Feb. 26, 1964 [March 6, 1963], No. 7963/64. Heading EIG. In a bridge wherein the decking 3 is supported by cables 4 connected to the tops of portals 2, means are provided at a transverse interruption 5 in the decking to oppose the longitudinal forces set up in the decking by the cables. The interruption 5 may be at mid-span and the force opposing means comprise spring- loaded tie-rods or by an hydraulic jack. Alternatively the interruption may be adjacent the portal 2 and the force opposing means comprise compression springs or an hydraulic jack. The reduction in the decking forces reduces buckling tendencies and provides resilient resistance to horizontal wind forces.
Patent GB-710267-A (GB)
Title: Improvements in or relating to the manufacture of pyrimidine derivatives
Inventor: VASEY CHARLES HENRY
Filed: 1951-04-06
Abstract: A process for the manufacture of pyrimidine derivatives of the formula <FORM:0710267/IV (b)/1> wherein R1 stands for an aryl radical, R2 stands for an alkyl radical and R3 stands for hydrogen or for an alkyl radical of not more than 4 carbon atoms comprises reducing compounds of the formal  <FORM:0710267/IV (b)/2> wherein R1, R2, R3 have the above meaning and R4 stands for an alkyl radical, an alkenyl radical or an aralkyl radical, or hydrates or salts of compounds having the second formula.  The reduction may be brought about by means of hydrogen in presence of a hydrogenation catalyst, e.g. finely-divided nickel, cobalt, platinum or palladium; by zinc and acetic acid; by means of boiling formic acid or formamide alone or in a solvent such as dimethylformamide; by heating with a hydrogen-containing catalyst, e.g. W5 Raney nickel.  In examples, 5 - phenyl - 5 - ethylhexahydropyrimidine - 4 : 6 - dione is produced by treating 2 - ethoxy - 5 - phenyl - 5 - ethylhexahydropyrimidine - 4 : 6 - dione with (1) Raney nickel p  and hydrogen; (2) boiling formamide; (3) boiling formic acid; (4) dimethylformamide and formic acid; (6) zinc dust, acetic acid and hydrochloric acid.  In (1) the corresponding 2-n-propoxy-, 2-isopropoxy-, 2-n-butoxy-, 2-sec.-butoxy-, 2-allyloxy-, and 2-benzyloxy-compounds may be used as starting material.  In further examples: (5), (7) and (10) 5 - phenyl - 5 - ethylhexahydropyrimidine - 4 : 6-dione is produced by reduction of 5-phenyl5-ethyl-tetrahydropyrimidine-4 : 6-dione with (5) hydrogen-containing W5 Raney nickel; (7) palladized strontium carbonate and hydrogen; and (10) by reduction of the hydrochloride with hydrogen and Adam's platinum oxide catalyst in acetic acid.  In (10) the corresponding monohydrate may be used as starting material; (8) 5-phenyl-1-methyl-5-ethyl hexahydropyrimidine is prepared by reducing 2-methoxy - 5 - phenyl - 1 - methyl - 5 - ethyl hexahydropyrimidine - 4 : 6 - dione with Raney nickel and hydrogen; (9) 5-phenyl-5-methyl hexahydropyrimidine-4: 6-dione is obtained by reduction of 2-ethoxy-5-phenyl-5-methyl hexahydropyrimidine - 4 : 6 - dione. The starting materials may be prepared by the process of Specification 710,266.  Specification 666,027 also is referred to.
Patent GB-803476-A (GB)
Title: Improvements in and relating to investment casting processes
Inventor: MCVITTIE DONALD FRASER
IPC: B22C1/16
Filed: 1956-03-15
Abstract: 803,476. Molding-processes. HADFIELDS, Ltd. March 6, 1957 [March 15, 1956], No. 8131/56. Class 83 (1). Cores for use in the lost-wax process are made from a refractory bound with sodium silicate, hardened with CO 2 , and then treated with a volatile solution of hydrolysed ethyl silicate to impregnate the core and close its pores. The ethyl silicate may be in solution in ethyl alcohol or carbon tetrachloride, in a concentration of 10-60 per cent. The core may be render waterproof at normal temperatures by treatment with a volatile solution of waterrepellent organic binder, e.g. a solution of polymerized methyl methacrylate in chloroform or trichlorethylene, a solution of polystyrene in benzene &c., or certain waxes dissolved in trichlorethylene &c.
Patent GB-1321397-A (GB)
Title: Open end spinning machine
IPC: D01H4/08
Filed: 1972-02-22
Abstract: 1321397 Open end spinning FRIED KRUPP GmbH 22 Feb 1972 [23 Feb 1971] 8131/72 Headings DID and D1N An open end spinning machine comprises a conical opening roller 4 arranged coaxially with spinning rotor 22, the opening roller 4 being axially adjustable to vary the cross-section of the fibre transport channel whilst the machine is running and being movable a greater axial distance to a service position (Fig. 2 not shown). As shown, fibres are opened by conical roller 4 and delivered downwardly directly to the spinning rotor 5. The axial position of the roller 4 is adjustable by eccentric cam 20. The opening roller 4 and the spinning rotor 22 can be moved downwardly and be separated by moving handle 7. Simultaneously, roller 15 disengages the drive from the opening roller.
Patent GB-736591-A (GB)
Title: Method and apparatus for compacting pulverized solid materials
Inventor: MARSHALL DONALD EDDY
IPC: B30B11/02
Filed: 1952-03-31
Abstract: Porous bars of soap or synthetic detergent are formed by suddenly compressing (see Group V) a dispersion of pulverized material in a gas.  Synthetic detergent bars may be formed from pulverized synthetic detergent, e.g. sodium lauryl sulphate, containing sodium sulphate mixed with pumice, chalk or titanium dioxide.  The percentage of detergent may be from 5 to 60 by weight.  The bars may be sintered.  A bar may be formed from finely pulverized hard stearic acid soaps and softer soaps.  A shaving soap may comprise stearic acid, cocoanut oil, potassium soap and titanium dioxide.  The bars may be in the form of crushable cubes of convenient size for, e.g., a washing-machine.ALSO:Porous, crushable bars of insecticides, medicines, shampoo, dentrifice, face powders, baking powder, yeast, sugar, chocolate or flour are formed by suddenly compressing (see Group V) a dispersion of pulverized material in a gas.  A dentifrice may comprise sodium lauryl sulphate, chalk, calcium carbonate, magnesium oxide or hydroxide, titanium dioxide, peppermint oil, fluorine, and ammonium phosphate with urea.  A shampoo may comprise sodium lauric monoglyceride sulphate and magnesium carbonate.
Patent GB-751255-A (GB)
Title: Preparation and method for curing meat
IPC: A23B4/023
Filed: 1954-03-19
Abstract: The penetration of pickling salts into meat, e.g. ham, bacon, beef, tongue, poultry, is accelerated by adding to the pickling preparation the reaction product of lactic acid and calcium lactate in aqueous solution.  Examples of the preparations are (1) sodium chloride 87 per cent, hydrated calcium lactate 12,4 per cent, 85 per cent lactic acid 0,6 per cent. (2) sodium chloride 79,7 per cent, hydrated calcium lactate 12,7 per cent, 85 per cent lactic acid 0,6 per cent, cane sugar 5,2 per cent, sodium nitrate 1,0 per cent, sodium nitrite 0,8 per cent.  A pH between 5,8 and 6,3 is maintained during the pickling.
Patent GB-270656-A (GB)
IPC: C08B17/02
Filed: 1927-03-24
Abstract: 270,656. Soc. Chimique des Usines du Rhone. May 10, 1926, [Convention date]. Continuous discharge apparatus with stationary containers.-In the acetylation of cellulose, the material is traversed through a chamber of small sectional area, and is subjected to temperaturecontrolling means and to the action of stirrers which are differently dimensioned and shaped at different points so as to give a suitable actinn upon the material in accordance with the physical condition. The apparatus may be a vertical cylinder 1 having a stirrer shaft 2 carrying the various stirrers. At the top, stirrers 3 - - 5 of small area such as of point, hook, or fork form are used to act upon the fibrous cellulose; lower down where the mass becomes stiff, rigid rods 6 - - 8 are used; and as the mass becomes thinner in consistency paddles 10 - - 13 are employed. Suitable baffles 16 - - 26 are provided and the temperature may be controlled by means of jets 27 - - 29 of heating or cooling water, the liquid being collected after use in gutters 30 - - 32. The materials are introduced at 14, and the product is withdrawn at 15. The Specification as open to inspection under Sect. 91 (3) (a) describes an apparatus inclined to the vertical. This subject-matter does not appear in the Specification as accepted.
Patent GB-822029-A (GB)
Title: Improvements in or relating to scroll-type drilling tools
Inventor: BARKER JOHN SPENCER
IPC: E21B10/44
Filed: 1956-03-15
Abstract: 822,029. Drills and bits. COAL INDUSTRY (PATENTS) Ltd. March 13, 1957 [March 15, 1956], No. 8182/56. Class 83 (3). A rotary drill-bit for rock has a recess 3 fitting a spigot 2 in a shank 1 and is held by a pin (not shown), passing through a hole 6 in the bit and a slot 7 in the spigot. The recess and spigot are of square crosssection and effect alignment of flukes on the bit and shank. Water is supplied to holes 11 in the bit through an axial hole 12 in the shank.
Patent GB-791641-A (GB)
Title: Magnetic storage device
IPC: G11C17/00
Filed: 1956-03-16
Abstract: 791,641. Magnetic storage devices. STANDARD TELEPHONES & CABLES, Ltd. March 16, 1956 [March 19, 1955], No. 8308/56. Class 38 (2). [Also in Groups XXXVIII and XXXIX] A device for recording the position of a movable member comprises a magnetized ring 2, of a material having a high remanence, which is mounted on a tube 1 of insulating and non- magnetic material. The movable member 6 consists of a tube of magnetically inactive material carrying a magnetic screen 7 at one end and is movable within the tube 1. In the position shown, when the switch 4 is momentarily operated to produce a short current pulse in the recording line 3, the magnetic flux is reversed in the ring 2. To read out, the switch 10 is momentarily actuated and again reverses the flux in 2 irrespective of the position of the member 6 to produce a pulse in the output line 11 and load 12. In the other position of the member 6 the screen 7 is within the ring 2 and operation of switch 4 produces no change of flux in 2. Consequently, when the read-out switch 10 is actuated there is no change of flux in 2 and no current pulse in the output circuit 11. Means may be provided whereby the current pulse produced during storage is kept away from the output load. To record the position of a member which can assume ten discrete positions, Fig. 2, ten storage elements 2 are mounted as shown and are provided with a common recording line 3 and reading-out line 9, each element having its own output line 11. The movable member 6 carries a screen 7 having a gap at one place and according to the position of the member 6, one of the rings 2 is in the range of this gap. In a further arrangement, Fig. 3, five storage elements 2 which are arranged side by side have a common recording line 3, and separate reading-out lines 9 which are connected in sequence by a selector switch 10. The screens 7 are mounted on mechanically connected carriers 6 and are provided with gaps whereby the position of the movable member is stored in the form of a five-element code.
Patent GB-513115-A (GB)
Title: Improvements relating to brake mechanisms
IPC: F16D55/32
Filed: 1938-03-18
Abstract: 513,115. Adjusting brakes. PRATT, J. H., MANLEY, G. E., and GIRLING, A. H. G. March 18, 1938, No. 8335. [Class 103 (i)], An abutment which determines the position of a friction surface of a disc brake is adapted to be adjusted by means passed through an aperture in a rotating part of the brake. A disc brake comprises a floating disc 14 driven, by a rotating part 11 and adapted to be gripped between a pair of pressure members 13a, 13b splined on the slotted cylindrical flange 12a of the non-rotating part 12. The member 13b is adapted to be moved by the hydraulic operating means 15 and the member 13a abuts on a normally stationary adjusting nut 18 screwed on the flange 12a. A spindle 16 mounted in the member 13a carries a pinion 17 meshing with teeth on the nut and has a non-circular hole 16a into which a tool 20, can be inserted through an aperture 11a in the member 11. Two pinions 17 and spindles and a series of apertures: 11a may be provided whereby one of the spindles is always in register with one of the apertures. To indicate when an aperture is in register with the adjusting means, holes may be formed in fingers or flanges carried by the rotating and non-rotating brake parts and be located by passing a rod through, them or the rotating part may carry a catch emgageable with a notch in the non-rotating part. According to the Provisional Specification a screw-threaded adjusting cone or an adjusting cam mounted on the anchorplate of an internally expanding brake may have a non-circular hole or a squared end for receiving a tool which may be inserted through an aperture in the brake drum and the aperture may have a pivoted cover plate which tends to'close under the action of centrifugal force.
Patent GB-856197-A (GB)
Title: Improvements in equipment for assembling the equipment on heat exchangers
IPC: B21D53/08
Filed: 1959-03-11
Abstract: 856,197. Making heat-exchangers; workholders. ALTALANOS GEPTERVEZO IRODA. March 11, 1959 [Nov. 14, 1958], No. 8354/59. Classes 83 (2) and 83 (3). Apparatus for use in assembling the reinforcement 2, 3 on heat-exchanger units 1, Fig. 1, comprises a travelling plate 4, Fig. 4, to transport the unit 1 to the table 6 of an erecting chassis 5, which is lowered to deposit the unit on a stationary part 8 of the chassis, and a frame 9, Fig. 6, to be placed on the chassis and having clamps 10 for holding the reinforcement 2 against the unit 1 while the assembly is transferred to an erecting trolley 12, Fig. 7, having bearings 13 in which may pivot the journals 9a on frame 9. Wheels 4a on plate 4 run on to guideways 6a of the table, which is lowered by a mechanism 7. Spacers 11 are used between the clamps 10 and the steel beams 2 of triangular section, which reinforce the sides of the unit. The bracing members 3 may be fitted when the unit, which has aluminium tubes, is disposed vertically on the trolley 12. Specification 815,096 is referred to.
Patent GB-414320-A (GB)
Title: Improvements in chain grate stoker installations
IPC: F23H11/00
Filed: 1934-03-16
Abstract: 414,320. Travelling grates. BABCOCK & WILCOX, Ltd., Babcock House, Farringdon Street, London.-(Assignees of Soc. Francaise des Constructions Babcock & Wilcox; 48, Rue la Boetie, Paris.) March 16, 1934, No. 8383. Convention date, March 30, 1933. [Class 51 (i).] In a travelling grate stoker passage of air from one forced draughtcompartment 4 to an adjacent compartment 5, through the space between an air supply duct 3, and the lower flight 2 of the grate is prevented by providing a seal consisting of flexible metal blades 8, 81 suspended from plates 9 fastened to the bottom 7 of the duct 3 and arranged in staggered rows. The lower ends of the blades make contact with the grate.
Patent GB-268774-A (GB)
Title: Production of conversion products of tars, mineral oils and the like
IPC: C10G47/00
Filed: 1927-03-28
Abstract: 268,774. I. G. Farbenindustrie Akt.- Ges. March 30, 1926, [Convention date]. Addition to 277,394, [Class 1 (i), Chemical processes &c.]. Void [Published under Sect. 91 of the Acts]. Mineral and tar oils, purifying.-Tars, mineral oils and other materials consisting mainly of high molecular weight aliphatic hydrocarbons are first freed from catalyst poisons and are then treated with water vapour or hydrogen-containing gases in the presence of catalysts, preferably activated hydrogenating catalysts, at a temperature higher than that required for the formation of merely hydrogenated compounds. When water vapour is used as the decomposing agent. Edeleanu oils and low-temperature carbonization tar oils are especially suitable, preferably after a preliminary cracking operation. The purification from catalyst poisons may be effected by passages in the vapour phase over oxides of metals whose sulphides are not decomposed by hydrogen or water vapour at the working temperature, or by treatment in the vapour or liquid phase with hydrogen-containing gases in the, presence of activated hydrogenating catalysts prepared from metals whose sulphides are readily reducible. The latter process may be effected simultaneously with the main process or preliminarily at a lower temperature. According to the example, a mixture of hydrogen and gas oil vapour is freed from sulphur compounds by passage at ordinary pressure over a heated catalyst prepared by reducing with hydrogen a mixture of copper oxide and chromic anhydride; the oil which separates on cooling is washed with caustic soda to remove sulphuretted hydrogen and is then passed with water vapour over a heated nickel catalyst activated by alumina and potassium nitrite ; a low-boiling oil is obtained on cooling the reaction gases. Specification 283,600 [Class 1 (i), Chemical processes &c.], is referred to.
Patent GB-589795-A (GB)
Title: Improvements in and relating to the activation of catalysts
IPC: B01J37/20
Filed: 1945-04-06
Abstract: Platinum catalysts, especially of the platinum on silica gel type for the oxidation of sulphur dioxide to sulphur trioxide, are activated or reactivated by treatment with an aqueous solution containing ammonium thiosulphate (e.g., of 1 per cent. strength). The catalyst may first be treated with an acid, e.g., nitric acid not stronger than 10 per cent., and after activation may be dried by heating to a temperature (e.g. 120 DEG C.) not exceeding that at which it is to be used.  The treatment with acid and the activating solution may be repeated one or more times.
Patent GB-345488-A (GB)
Title: Improvements in and relating to games
IPC: A63B67/06
Filed: 1930-03-17
Abstract: 345,488. Outdoor games. MAY, T. R., Flockhart Street, Abbotsford, Victoria, Australia. March 17,1930, No. 8554. [Class 132 (ii).] Rings 17 of rope, hard rubber, light wood or cork are projected by means of a hook-like member 19a at the lower end of a club 18 the object being to cover a course having obstacles and direct the rings into receptacles comprising, for example, a canvas member 5, Fig. 6, mounted on pins 8 the lower ends 10 of which project into the ground, or a frame comprising hinged members, 11, 12, 13, Fig. 5, pinned at 14. The handles of the clubs may be bound and the hooked member 19a, normally a metal ferrule, may be replaced by a groove near the lower end of the stick.
Patent GB-400504-A (GB)
Title: Improvements relating to compressed air rotary engines
IPC: F01C1/18
Filed: 1933-03-21
Abstract: 400,504. Rotary engines. NYBORG, T. G. and HIGGINS, M. F., Meco Works, Worcester. March 21, 1933, No. 8554. [Class 110 (ii).] The meshing rotors 4, 5 are driven by compressed air, entering through a port 1, which expands between the rotor teeth and tends to deposit ice 16. The fluid is exhausted through ports 6, 7 and through additional ports 14. Between these ports the casing 13 is shaped as a volute so that particles of ice or other foreign matter, scraped from the casing walls, are flung outwards centrifugally and ejected through the ports 14. The upper part of the casing is formed as a cowl 12, and contains a lubricating chamber 15 which feeds oil into the working chambers. While running light, air at atmospheric temperature is drawn in through the ports 6, 7, and tends to melt the ice formed on the teeth of the rotors.
Patent GB-110172-A (GB)
Title: Improvements in and relating to Signalling Apparatus for Mine Signalling and like purposes.
Inventor: HEYES WILLIAM ARTHUR
IPC: B66B19/06
Filed: 1916-06-17
Abstract: 110,172. Heyes, W. A., Keyes, L. O., and Heyes, A. V. June 17, 1916. Mechanical telegraphs; mine signals.-In stepby-step signalling-apparatus for use in mines, &c., a catch is provided which holds the actuating device positively out of engagement with the ratchet-wheel until the indicator pointer has returned to zero and released the catch, to ensure cancellation of one signal before the next is registered. As described, the signal ratchet-wheel on the indicator spindle 1 is advanced step by step by a pawl 11 pivoted to an arm 2 mounted to oscillate about the spindle 1, being moved in one direction by the core 32 of a solenoid 3 energized at each signal impulse, and in the other direction by a spring (not shown). The spindle is retained by a detent 15 pivoted at 37 and having an arm 5 serving as the armature of a release magnet 4 which is energized by known means under control of the engine to cancel a signal when being complied with. The pawl 11 is raised at the same time by a finger 13 engaged by a pin 14. The arm 2 has a pin 33 engaging a collar 34 on a rod 35 attached to the piston of a dash-pot 8 and raised with the signal impulses. A dog 18 pivoted on the detent 15 also is engaged by the collar during the upward movement so that the pawls 11, 15 are disengaged by the first impulse of a signal. The pawls are held out of engagement by a lever 24 pivoted at 25 and moved by a spring, (not shown), so that the upper end engages under a pin 27 on the detent 15 until released by a finger 22 on the spindle 1 striking a pin 23 when the spindle has returned to the zero position. Contacts, (not shown), are provided in series with the magnet 4, and are opened by a second finger, (not shown), on the spindle 1 so that the magnet is de-energized when a signal is cancelled. A cautionary signal is given when a pause is made at a predetermined signal indication, by contacts, (not shown), closed by the pointer when at the predetermined position, and contacts 10 in series therewith closed by a collar 9 on descent of the rod 35.