baber/WOPTO huggingface dataset:
Patent GB-540724-A (GB)
Title: Aerodynamic devices for retarding aircraft, persons or objects in movement or for starting aircraft
IPC: B64D17/00
Filed: 1939-09-25
Abstract: 540,724. Parachute apparatus. BONNEFOY, P. E. L. Sept. 25, 1939, No. 26604. Convention date, Sept. 26, 1938. [Class 4] A device for retarding aircraft, persons or objects, or for assisting the starting of an aircraft, comprises a parachute attached to a flexible member wound on a drum carried by the aeroplane &c. the unfolded parachute first unwinding the flexible member from the drum and storing up energy in a flywheel or other accumulator which is then utilised to wind in the flexible member rapidly to draw the parachute towards the aircraft &c. In one form, the parachute is attached to a flat band 6 wound upon a drum 5, and as the band unwinds a flywheel 26 is speeded up through gearing 11, 12 and a clutch 14, 16. When it is desired to retard the aircraft more strongly the flywheel 26 is clutched to the drum 5 through the gearing 21, 22, counter shaft 20, reversing gear 23, 24, 25, clutch 15, 17 and the gearing 11, 12 to wind in the band 6. The flywheel 26 may be assisted by another flywheel 44 adapted to be coupled to the flywheel 26 after being speeded up by a seaparate motor. The clutches 15, 17 and 14, 16 are actuated by a lever 32 which is coupled as shown to a locking
Patent GB-852806-A (GB)
Title: Piston
Inventor: HUNT TOM OWEN
IPC: F16J9/20
Filed: 1959-08-05
Abstract: 852,806. Casting composite - pistons. SPECIALLOID Ltd. Aug. 5, 1959, No. 26686/59. Class 83 (1). In a process for making a light-alloy-piston, wherein at least one of the side walls of a pistonring groove is formed by cast-in discontinuous ring-carrier segments of a ferrous metal or aluminium-bronze-alloy, the ring-carrier blank is formed as an annulus with at most one break, and is notched at intervals to define segments 6 joined by bridge-pieces 4 which are of such a cross-section that they will be fractured by the cooling stresses after casting-in. Specifications 557,070 and 642,042 are referred to.
Patent GB-503227-A (GB)
Title: Improvements relating to ball-bearings
IPC: B62D7/02
Filed: 1937-10-02
Abstract: 503,227. Ball bearings. CRANE, W. F., and CHAPLIN, W. D. Oct. 2, 1937, No. 26709. [Class 12 (i)] In a ball bearing, applicable to vehicle turntables, one of the race rings has an upstanding portion 13 fitting in an annular recess 8 of the other ring 1, radially extending portions 14 preventing axial separation of the race rings. The balls 16 have a single point contact with the curved race tracks 17, 20, the load-carrying balls being spaced by smaller balls. To assemble the rings they are split, resiliently deformed into helical shape, and threaded one within the other after which. they are caused to. assume their annular form.
Patent GB-726304-A (GB)
Title: Improvements relating to internal-shoe drum brakes
IPC: F16D51/24
Filed: 1953-09-30
Abstract: 726,304. Internal shoe drum brakes. DAIMLERBENZ AKT.-GES. Sept. 30, 1953 [Oct. 2, 1952], No. 26862/53. Class 103 (1) In an internal shoe drum brake the pins 9 about which the shoes 2 pivot are supported at one end by the brake plate 10 and at the other end by a supplementary plate 13 rigidly mounted by connecting it with one end of a tubular axle housing 14. The integral tubular extension 15 on the plate 13 is preferably rigidly connected to the member 14 by butt-welding.
Patent GB-426346-A (GB)
Title: Manufacture of photographic bleaching-out layers
IPC: E01B3/02
Filed: 1933-10-02
Abstract: Dyes for use in a photographic bleaching out layer correspond with the general formula <FORM:0426346/IV/1> wherein R<1>, R<2>, R<3> stand for hydrogen, an aliphatic, aromatic or acyl radicle, R<4> stands for hydrogen, an aliphatic or aromatic radicle, R<5> stands for an acid radicle and wherein the benzene nuclei A and B may be replaced by other aromatic ring systems.  Such dyes are prepared by condensing a monacyl-m-aminophenol or an analogue thereof wherein the benzene nucleus is replaced by another aromatic ring system, with benzotrichloride or substitution product thereof, or with acetaldehyde in presence of a condensing agent such as zinc chloride, aluminium trichloride or tin tetrachloride; the 3-acylaminofluorone is then converted to the desired dye by alkylation, arylation or acylation.  In examples: (1) monacetyl - m - aminophenol benzotrichloride, nitrobenzene and zinc chloride are heated together and the acetylaminofluorone isolated is saponified with dilute sulphuric acid; the 3-amino-6-oxy-9-phenylxanthoxonium sulphate may be converted to the chloride by passing in dry hydrochloric acid to an etheralcohol solution of the dye; (2) the acylaminofluorone of (1) is treated with dimethylsulphate and the resulting dye may be saponified with dilute hydrochloric acid to give 3-amino-6-methoxy-9-phenyl-xanthoxonium chloride; (3) by replacing the benzotrichloride used in (1) by chlorbenzotrichloride the corresponding 9 - p - chlorphenylxanthoxonium chloride is obtained; (4) monacetyl-m-aminophenol is condensed with acetaldehyde in presence of tin tetrachloride and saponified with dilute sulphuric acid to give 3-amino-6-oxy-9-methylxanthoxonium sulphate.  2,7 - Diethoxy - 3,6 - diethylamino - 9,10 - carbo - selenonium chloride is prepared by treating o-phenetidine with formaldehyde in hydrochloric acid solution, and extracting the product from alkaline solution; it is then converted to the selenopyronine by the process described in Zentralblatt 1920, III, p. 667.
Patent GB-357757-A (GB)
Title: Improvements in frictional rotary power-transmitting members
IPC: F16D69/02
Filed: 1930-09-12
Abstract: 357,757. Friction discs for variablespeed gearing. ROBERTSON, J. H., 1, Albemarle Street, Piccadilly, London. Sept. 12, 1930, No. 27289. [Classes 80 (i) and 80 (ii).] Coned friction discs a, Fig. 1, which are moved across the face of a similar wheel e for varying speed ratio, a clutching position being attained when the disc and wheel axes are aligned, are formed of thick aluminium or aluminium alloy and a thin layer f of asbestos fabric secured by rivets g or bolts, or of ground asbestos and synthetic resin moulded in position ; heat is thus readily dissipated. The layer f may be secured to an intermediate aluminium ring which is bolted to the disc. The layer, when moulded in position, is pressed into serrations, ribs, or dovetails on the disc a and may be additionally secured by dowel pins. As shown in Fig. 4, the layer f<1> is moulded around a metal ring j carrying projecting bolts g<1> which are secured to the disc. Heat dissipation may be assisted by the use of ribs h or h<1>, which may be oblique to form vanes, formed on the sides or peripheries of the discs.
Patent GB-628776-A (GB)
Title: Improvements in elevators or conveyors
IPC: F26B25/00
Filed: 1947-10-13
Abstract: 628,776. Endless chain conveyers. RANSOMES, SIMS, & JEFFERIES, Ltd., BAYLEY, A. M., and JARVIS, J. S. Oct. 13, 1947, No. 27424. [Class 78 (i)] An elevator or conveyer comprises parallel endless chains connected by crossbars supporting floor plates fitted with teeth. The chains 1 (Fig. 7) carry brackets 6 to which are bolted at 5 angle section crossbars 4 to the horizontal flanges of which are welded floor plates 7. The floor plates 7 are formed with rounded ends 8 (Fig. 6) which co-operate with the edges 9 of the following plates to form a continuous surface. Welded in pairs to the plates 7 are saw-tooth shaped teeth 10. The chains 1 pass around sprockets 2, 3 (Fig. 1) and between these the rollers of the chains run on guides 39, 40, the latter being curved to keep the chains clear of a delivery chute 41. Grass to be dried is carried by the elevator from a chute 11 to a trimming roller 12 which is formed with helical teeth or combs 13 formed in two series of opposite hand meeting in the centre. The teeth or combs 13 engage any grass extending above a predetermined level from the elevator to push it outwardly from the centre and off the elevator. The grass is then carried to a stripping roller 14 formed similarly to the roller 12 but provided with alternate combs 15 and brushes 16 having a smaller helical angle than the combs 13 and which discharge the grass into the chute 41. The elevator is driven from a motor 17 connected by a V-belt 21 to rotate a shaft 18 which drives the rollers 12, 14 through flat belts 38, 34, and is also connected by V-belts 25 to drive the input shaft 22 of a variable speed gear the output shaft 30 of which drives the sprockets 3 through chains 27.
Patent GB-1082038-A (GB)
Title: Process for the polymerization of olefinically unsaturated hydrocarbons in a fluidized bed
IPC: C08F10/00
Filed: 1966-06-20
Abstract: Polymers of one or more olefinically unsaturated hydrocarbons are made by effecting the polymerization in the gaseous phase in the substantial absence of a liquid organic solvent or diluent, in a gas stream the velocity of which is smaller than 5 cm. per second rising through a fluidized bed of solid particles of polymer, obtained previously from these hydrocarbons, which particles contain a polymerization catalyst and/or are mixed with particles of a polymerization catalyst, and during polymerization the fluidized polymer particles are exposed to greater turbulence than the turbulence that would be generated exclusively by the rising gas, e.g. by stirring devices which may have a scraping effect on the bottom and/or wall of reactor, or by causing the reactor or parts of it to vibrate.  The catalyst is preferably of the Ziegler-type. Unsaturated hydrocarbons mentioned are ethene, propene, butene-1, butadiene, and non-conjugated dienes.
Patent GB-363991-A (GB)
Title: A device for sharpening the blades of safety-razors
IPC: B24D15/08
Filed: 1930-09-15
Abstract: 363,991. Boxes for razor-sharpening appliances. VANDENHEUVEL, L. C. A., 40, Boulevard de Nieuport, Brussels. Sept. 15, 1930, No. 27562. [Class 18.] A cylindrical member for sharpening safety razor blades is secured in a box 3 and may form a container for soap, brush. &c. The lid of the box may contain a mirror.
Patent GB-703802-A (GB)
Title: Process for drying photographic emulsions
IPC: G03D15/02
Filed: 1951-11-26
Abstract: 703,802. Drying photographic films &c. DU PONT DE NEMOURS & CO., E. I. Nov. 26, 1951 '[July 18, 1951], No. 27684/51. Addition to 690,330. Class 34(1) [Also in Group VIII] The Specification comprises the following modifications of the process for setting and drying aqueous coatings of hydrophilic colloids described in the parent Specification, (a) the temperature of the chilling zone is between 40 and 75F, (b) after chilling, the gelled emulsion layer may be passed to a "setting zone" maintained at a temperature of 5-30F. below the melting point of the gelatin in the emulsion for a period of 10 to 180 secs., (c) the material is subsequently dried for a period of 30-18 secs. by a current of air of velocity 2000-15000 ft. per min. The specified temperatures are dry bulb 110- 235F, and wet bulb 2-20F above the normal melting point of the gelled layer, the rate of evaporation of moisture being between 0.5 and 3.0 lb. water per hour per square ft., (d) the coated emulsion layer may then be passed to a secondary drying zone where the rate of evaporation is less than 0.5 lb. water per hour per sq. ft., the specified temperatures being dry bulb 70-100F, wet bulb 50-75F and relative humidity 30-60 per cent; this reduction in the drying rate eliminates damage to the film caused by electrostatic discharging, (e) the final water/gelatin ratio may then be adjusted to within the limits 0.23 to 0.34:1, (f) modifications of the design and working conditions of the apparatus shown in Fig 4 of the parent Specification are also described.
Patent GB-1305232-A (GB)
IPC: B60K7/00
Filed: 1970-06-09
Abstract: 1305232 Hydraulic motor wheels POCLAIN 9 June 1970 [11 June 1969] 27765/70 Heading B7H [Also in Division F1] An hydraulic motor wheel comprises a cylinder unit 1 non-rotatably attached to the frame 3 of a public works vehicle, and a casing which is formed with cam tracks 6 and is rotatably mounted on the frame 3 independently of the cylinder unit 1 by roller bearings 7 so that the cylinder unit is relieved of bending loads. Rollers 5 engaging the cam tracks 6 are carried by members 4 which are slidably mounted in the cylinder unit 1 and coupled to respective pistons. The rim 9 of the wheel is attached to the casing 6 by bolts 8.
Patent GB-1176820-A (GB)
Title: Improvements relating to Liquid Dispersing Apparatus.
Inventor: BABINGTON ROBERT STOREY
IPC: F24F6/06
Filed: 1968-06-12
Abstract: 1,176,820. Spray producers. R. S. BABING- TON and A. E. YETMAN. 12 June, 1968 [14 Sept., 1967], No. 27829/68. Heading B2F. Liquid dispersing apparatus comprises a hollow disc-like plenum chamber 10 provided on its upper surface 6 with regularly spaced apertures 8 adjacent to but inwardly of the periphery 7 of the chamber, means for supplying air under pressure to the chamber and means for supplying liquid to the top surface thereof and means for rotating the chamber. The chamber may be provided with blower means, e.g. a fan or vanes, to assist dispersal of the spray.
Patent GB-285116-A (GB)
Title: Improvements in and relating to cartons for sweetmeats and other articles
IPC: B65D5/54
Filed: 1926-11-05
Abstract: 285,116. Smith, J. E. H., and Rowntree & Co., Ltd. Nov. 5, 1926. Opening by tearing. - Relates to boxes for sweetmeats &c. of the type formed by folding a single blank to form an open box without gluing or gumming, which is ready for packing, and further of the kind in which the lid has side flaps which are glued to the ends of the carton and a front flap which is secured to the front of the carton while the lid is provided with suitable perforations for tearing open. According to the invention, the erected carton is held in place during packing by interlocking the sides 3, 3<1> and the side flaps 7 are glued or gummed thereover after the filling operation. The front flap 5 is then pressed into a slit 6 and the lid 4 has lines of perforations 8 for tearing open. A wrapper having weakened lines for opening may enclose the carton and is secured by gluing &c.
Patent GB-823976-A (GB)
Title: A device for joining and smoothing strips of veneer
IPC: B24B21/10
Filed: 1956-09-12
Abstract: 823,976. Joining veneers edge to edge. WST PATENTER A.B. Sept. 12, 1956 [June 25, 1956], No. 27859/56. Class 42 (1). [Also in Group XXIII] A device for joining and smoothing strips of veneer comprises a table on which the ends of the veneer strips are joined to each other to form long bands, an endless running smoothing belt against which the veneer strips are pressed during the smoothing operation, and a drum on which the end of the first strip is secured, the drum being arranged to rotate when the strips are pressed against the smoothing belt so that the strip band is wound on during the smoothing operation. Veneer strips are joined end to end, e.g. by tape, on a table 18 carried by a frame 1, pass above an endless smoothing belt 6 and are wound on to a drum 2 driven by a low-speed motor 4, the circuit of which contains a switch 24 closed by depressing a treadle 23 which also causes a pressing block 17 to press the veneer against the smoothing belt 6. The table 18 has a fence 21 and a spring 22 presses the veneer against the table.
Patent GB-250484-A (GB)
Title: Device for removing scale and surface defects from bar sheet while being rolled hot
IPC: B21B45/04
Filed: 1925-11-05
Abstract: 250,484. Smith, J. L. Nov. 5, 1925. Rolling.-Scale is removed from bars before entering rolls by passing between top and bottom knives 41, Fig. 6 and a pair of edge scraper knives 66, Fig. 2 operated by controlled power, the knife units being supported on one another and secured to the frame of a rolling mill. The bar enters a bell mouth 31 and passes through the bell mouth guide 7 to the rolls connected to pistons 15 in cylinders 14 and are adjusted by fluid pressure valves. The edge scraping knives 66 are connected to pistons 50 working in controlled fluid pressure cylinders 49. The bell mouth 31 is provided with replaceable wear plates. The vertical knife guides are offset so that the top knife is in advance of the lower one. The knives 66 are notched at 68. An additional guiding web such as 22 is interposed between each of the pairs of knives. When the knives are fully retracted they and their carriers may be withdrawn without removing any bolts. Working at specified temperatures.-The use of the above described scale removing means enables the bar to be rolled at a temperature of from 1900‹ to 2000‹ F.
Patent GB-230136-A (GB)
Title: Improvements in seaming devices for cans
IPC: B21D51/32
Filed: 1923-11-06
Abstract: 230,136. Dehn, F. B., (Thermokept Corporation). Nov. 6, 1923. Assembling can heads and bodies; seaming. - Relates to making cans and comprises a vacuum seaming machine in which the cans are enclosed in turn in detachable and interchangeable two-part chambers closely fitting the cans and having top and bottom members adapted to be brought into engagement with the chambers to seal the latter hermetically. A shaft 2 carrying the inner halves 9 of four can-holders is rotated intermittently by a Geneva stop mechanism so that each holder stops in one of the four positions shown in Fig. 10. Each holderpart 9 fits detachably on to a T-head of a fourarmed spider on the shaft 2. The following operations are carried out:-(1) At 29 a can is fed to the holder there by a conveyer 34; (2) at 31 a lid is fed from a pile; (3) at 32 the other half 14 of the holder is pressed against the part 9, a bottom member 122 is raised against the holder and forces it against a top member 123, the chamber is exhausted through a pipe 201 controlled by a valve 203, and the can is seamed by rolls; and (4) at 33 the can is delivered by an arm 274 to a conveyer 276. At position 32 the can holder is completed by a member 14 operated by a rocking lever 121 and is hermetically sealed by the bottom member 122 which is raised by a cam 157, this member lifting the holder into contact with the cover part 123. At the same time the can is raised within the holder by the action of a cam 163 of a spring plunger 159, and a pad 181 within the cover is lowered by its rod 182, a lever 187 and cam 191 so as to form an abutment for the lid as the can comes up to it. The air is now exhausted by a pump (not shown) through the valve 203 rotating with but slidably mounted on the shaft 21. The can is now raised still further in the holder until the lid is engaged by the seaming rolls. After the seaming operation is completed the valve 203 admits air to the seaming chamber again. The seaming device is adjustably suspended so that it can be adapted for use on cans of different heights.
Patent GB-670814-A (GB)
Title: Improvements relating to thread-cutting dies
Inventor: WATKINS DOUGLAS MACKENZIE
IPC: B23G5/04
Filed: 1949-11-01
Abstract: 670,814. Screwing-dies. BRITISH TAP & DIE (HOLDINGS), Ltd. Oct. 30, 1950 [Nov. 1, 1949], No. 28013/49. Class 83 (iii). A screwing-die has ribs bearing the threadcutting form and having a substantially helical inclination in the opposite sense to that of the screw-threads, the thread form having a pitch surface which is either flat (as shown in the central section, Fig. 2), or convex, or concave on a radius greater than the work radius, so that, at the entering end of the die, the cutting edges make point cutting contact with the work and, towards the central plane of the die, the contact lies further back from the cutting edges, thus burnishing the work threads and stabilizing the die on the work. The invention may be applied to an integral die or, as described, to a builtup die according to Specification 670,815. The ribs 10 on the chasers 8 are cut back on both side faces, obliquely from the centres of opposite end faces to the diagonally opposite corners and along a straight line, or a concave curved line, or, as in Fig. 9, partly along a line 15 at each end and parallel with the centre-line of the chasers and then on two differently inclined lines 16, 17 in the burnishing part of the die. The throat angle on one side of the die may be greater than on the other side to permit the die to be reversed for cutting a full thread close up to the end of the work.
Patent GB-434245-A (GB)
Title: Sliding cover for fire arms having a sliding and rotating breech bolt
IPC: F41A35/02
Filed: 1934-10-01
Abstract: 434,245. Smallarms. FROMMER, R. VON, 158, IX SoroksariUt, Budapest. Oct. 1, 1934, No. 28035. [Class 119] Relates to firearms of the kind having a sliding and rotating breech bolt 40, Fig. 4, with a handle 11 operating in a transverse slot 21 in a longitudinally sliding cover 1 movable with the breech bolt, and consists in the provision of a transverse slide 14 for closing the transverse slot when the breech is closed. The transverse slide 14, shown separately in plan in Fig. 6, has a slot 15 to fit the square shank of the handle, 11 and is guided in grooves 13 in reinforcing collars 12 on the longitudinal sliding cover 1. This cover is connected by a dovetail joint 7, Figs. 1 and 9, with a spring-operated fastening pin 10 to an extension 26 of the breech bolt 40 connected thereto by interengaging lugs 27 and groove 28. In a modification, the transverse slide is made up of two or more parts sliding one over the other.
Patent GB-967110-A (GB)
Title: Process for the optical brightening of cellulose material and the material brightened thereby
Filed: 1962-07-20
Abstract: Cellulosic materials, e.g. cotton and linen fabrics, are brightened by impregnating them at temperatures under 100 DEG C. with an aqueous solution of a salt of at least one compound having the formula <FORM:0967110/D1-D2/1> in which A1 and A2 are phenyl radicals which may be substituted by alkoxy, alkyl, carboxyl, sulphonic acid or sulphamyl groups or by halogen atoms and X1 and X2 are alkoxy groups which may be substituted, primary amino groups or secondary or tertiary amino groups having aliphatic, araliphatic, cycloaliphatic or aromatic nitrogen substituents which, together with the nitrogen atom and if desired, further hetero atoms, can also form hydrogenated heterocycles, and then steaming them, if desired after drying.  X1 and X2 may be methoxy, ethoxy, butoxy, b  hydroxy ethoxy, b  methoxy ethoxy, b  ethoxy ethoxy, b  butoxy ethoxy, amino, methylamino, ethylamino, propylamino, b  hydroxyethyl amino, b  hydroxy propylamino, b  cynoethylamino dimethylamino, diethylamino, bis-b -hydroxyethyl amino, N-methyl-N ethylamino, N methyl N-b -hydroxyethylamino, N-ethyl-N-b  hydroxyethylamino, N-methyl-N-b -hydroxy-propylamino, N ethyl-N-b  hydroxy-propylamino, benzylamino, N-b -hydroxyethyl-benzyl-amino, cyclohexylamino, N ethyl-cyclohexylamino, N-b -cyanoethyl-cyclo hexylamino, phenylamino, o, m or p-methyl phenylamino, 3, 5-, 2, 5- or 3, 4-dimethyl-phenylamino, m- or p-methoxylethoxy, chloro-bromosulpho-, sulphamyl- or carboxyphenylamino, 2, 5 dimethyl-4-sulphophenylamino, 4-chloro-3-carboxy phenylamino, carboxy methylamino, N-methylcarboxymethylamino, 2 methoxyethylamino, N-methyl-2-methoxyethylamino, 2 ethoxyethylamino, 3-methoxy-propylamino, piperidine or morpholino groups.  The impregnating bath may also contain chemical bleaching agents, e.g. hydrogen peroxide or sodium hydrosulphite, sodium chloride, water glass, sodium hydroxide, urea, calcined sodium carbonate and the sodium salts of diethylene triamine penta acetic acid and ethylene diamine tetra-acetic acid.  The impregnated material may be passed continuously through a steamer and steamed for 1-20 minutes at 100 DEG -120 DEG C. or it may be rolled up and steamed for 1-4 hours at 80 DEG -100 DEG C. in a closed chamber.