baber/WOPTO huggingface dataset:
Patent GB-464793-A (GB)
Title: Improved blasting device
IPC: F42B3/06
Filed: 1935-10-24
Abstract: 464,793. Blasting-cartridges. TAYLOR, J., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 24, 1935, No. 29434. [Class 9 (i)] Relates to blasting devices, for use in boreholes, of the kind which effect blasting by the release at a predetermined and considerable pressure of gases formed within the device and comprising a re-utilizable container provided with a rupturable seal and a perforated discharge cap, the container being charged with a material adapted on initiation to produce a quantity of gas adequate to effect blasting. According to the invention, a blasting device of this kind comprises in combination an elongated discharge cap adapted to fit within the borehole and occupy approximately the whole length thereof and provided with a plurality of lateral venting apertures disposed substantially uniformly over at least a considerable proportion of its length, a container having an external diameter greater than that of the discharge cap, and a rupturable seal separating the interior of the container from the interior of the cap and adapted to yield only under a predetermined and considerable pressure. The Figure shows a container 1 provided with a gas-producing composition 2 and electrically operated initiating device 3, the upper end of the container being closed by a rupturable seal 10 which is held in position by one end of a detachable coupling 11, the other end of which receives the elongated discharge cap 13 provided with rows of venting holes 17, 18. These holes may be arranged along the whole or only part of the length of the cap. By employing a suitably shaped coupling member, the container may be arranged at an angle to the borehole or may even be situated at a convenient distance and connected by suitable piping to the discharge cap. In such cases, the rupturable seal is preferably located. between the coupling member and the discharge cap. Specification 436,860 is referred to.
Patent GB-1133556-A (GB)
Title: Process for the preparation of copolymers of vinyl esters of monocarboxylic acids and -‡-olefines
Inventor: MASSEBEUF JACQUES
IPC: C08F218/04
Filed: 1967-06-27
Abstract: 1,133,556. Olefin-vinyl ester copolymers. RHONE-POULENC S.A. 27 June, 1967 [28 June, 1966], No. 29531/67. Heading C3P. A process for the copolymerization of vinyl esters of monocarboxylic acids with z-olefins gaseous under the polymerization temperature and pressure, comprises introducing a solution of the α-olefin in the vinyl ester progressively into an autoclave charged with water, a polymerization initiator, an emulsifier and optionally a protective colloid, said autoclave having an oxygen-free atmosphere and being connected to a source of the α-olefin to be copolymerized. The autoclave charge may comprise a dispersion of the copolymer arising from an earlier operation. The initiator, which may be introduced in stages throughout the reaction, may be an alkali metal sulphate or mixture thereof with an alkali metal bisulphite. Specified emulsifiers and protective colloids are alkali metal soaps and sulphonates, polyoxyethylene glycols and hydroxyethyl cellulose. Particle size regulators, e.g. sodium sulphate, and buffers, e.g. sodium acetate, may also be present. Specified vinyl esters are vinyl acetate, propionate, butyrate and benzoate. The products may be used in paints, varnishes and coatings. Examples describe the copolymerization of ethylene and vinyl acetate in the presence of sodium dodecylbenzene sulphonate, sodium vinyl sulphonate, hydroxyethyl cellulose, potassium persulphate and sodium acetate.
Patent GB-1390138-A (GB)
Title: Foaming system and foaming device
IPC: D21F1/32
Filed: 1972-06-23
Abstract: 1390138 Generating foam APPLIED CHEMICALS PTY Ltd 23 June 1972 [24 June 1971] 29637/72 Heading B1C [Also in Division F2]  A foam generator 8 is supplied with foamforming liquid through a regulating valve 11 and pressure air through a shut-off valve 25 (see Figs. 5 and 6, not shown) and non- return valve 26, and delivers to a hose 36, shut-off valve 37 and wand 38. If the valve 37 be closed to stop foam delivery the consequent rise in static pressure in the generator is transmitted, by a line 29 to the underside of a diaphragm (18, Fig. 3 not shown) actuating an air control valve 17, whereby the air pressure in line 24 is reduced and valve 25 is closed by a spring (54) to shut off the pressure air supply to the generator. The supply pump for liquid is also cut off. The valve 25 has means to vent to atmosphere any liquid which may flow back due to failure of the non-return valve 26. The foam generator has an annular restriction 34 to aid foaming.
Patent GB-413163-A (GB)
Title: Improvements in and relating to nail files
IPC: A45D29/04
Filed: 1933-10-26
Abstract: 413,163. Nail files. HALL, F. M., Rutland Lodge, Waterloo Road, Southampton. Oct. 26, 1933, No. 29681. [Class 131.] Nail files comprise a pair of resilient blades 1, 2, relatively disposed in U or V formation and having abrasive surfaces on their inner faces. The blades may be formed by a strip of spring steel, preferably having an intermediate arcuate portion 3, or may be connected by a preferably resilient bridge-piece. The abrasive surfaces may be constituted by teeth cut in the blades or abrasive material or abrasive-carrying material applied thereto. The blades are preferably curved outwardly towards the free ends and their outer surfaces are roughened to form finger grips. One blade is provided with a nailcleaning point 4 and the other with a cuticledepressing surface 5. In use the nail is placed between the blades and both sides filed simultaneously by a circular or reciprocating motion to obtain a rounded or a pointed shape. Two or more appliances such as above may be combined, the abrasive surfaces preferably having different degrees of coarseness ; for example two pairs of blades may be mounted back to back.
Patent GB-520193-A (GB)
Title: Improvements in machines for producing rolls or balls of sliver and in apparatus forreceiving same
IPC: D01G15/62
Filed: 1938-10-14
Abstract: 520,193. Sliver - balling apparatus. FAIRBAIRN LAWSON COMBE BARBOUR, Ltd., and WHITE, A. Oct. 14, 1938, No. 29749. [Class 120(i)] In a sliver - balling apparatus the wheel for keeping the ball or roll in position is subject to control exercised by two blades one of which can be released, while the other is permanently engaged; the mechanism which controls the releasable brake also controls the ejecting apparatus and the magazine feed device. The slivers are balled or rolled upon the divided spindles 2a, and the roll is rotated by the wheel 4 carried by arms 5 and driven through gearing by the driving shaft 20. As the diameter of the roll increases the wheel is pushed away from the spindles 2a and the movements of the arms 5 around their supporting shaft 20a are restricted by a brake drum 11 which has a brake strap 13 with a tension adjuster 13d. A brake 10 is permanently held on the drum by a spring in order to retard movement when the brake strap 13 is held off. The shaft 20 also drives gearing to operate cams so that the operations are carried out in proper sequence and at appropriate times. When the desired size of ball is reached, the wheel 4 releases holding mechanism on the shaft w 'and this shaft begins to rotate. Cams 3 then operate to withdraw the spindle 2a to release the roll, a cam 12 acts to release the brake strap 13, and the cam 6b operates the sliding member 8 to eject the roll from the spindles. A projection on the cam 3 causes the operation of the sliding carrage 41 of the magazine 7 to feed the rolls forward until they reach weighted inclined levers 42 which tilt and permit the rolls to pass.
Patent GB-493173-A (GB)
Title: Improved aircraft
IPC: B64C1/00
Filed: 1937-10-30
Abstract: 493,173. Aircraft with rotary wing systems. MERCIER, G. E. P., and PERROT, L. R. C. G. Oct. 30, 1937, Nos. 29752 and 29753. Convention dates, Nov. 3, 1936 and Oct. 11, 1937. [Class 4] An aircraft include a stabilizing and controlling autorotative rotor or rotors, each rotatable about a substantially vertical axis, tiltable under the control of the pilot and situated forwardly of the centre of gravity G of, and above, the aircraft and fixed supporting planes disposed to the rear of the centre of gravity and provided with lift increasing means and with one or more vertical fins. In one form, the aircraft'comprises a body 1 and fixed wings 2 carrying stabilizing fins 7. The autorotative rotor 6, the blades of which may be hinged for limited flapping movement is mounted for movement about a ball-joint 9. The rotor axis member 8 which carries the ball-joint may be tilted about a lateral axis on movement of a hand-lever 13 acting through link 11, a bell-crank lever 12 and an arm 10 secured to the member 11. The member 8 is tilted about a longitudinal axis by lateral movement of the lever 13 acting through a rod 17, bell-crank levers 18, links 19 and arms 20 carried by the member 8. In a modification, lateral tilting of the rotors is controlled from a centrally pivoted bar similar to a rudder bar. In a further modification, the rotor, Fig. 7, is tilted about lateral and longitudinal axles 26, 28 on lateral or longitudinal movement of a control lever 13. The axle 28 is mounted in bearings 43, 44. The bearing 44 is pivoted at 32 to the aircraft structure such that lift due to the rotor controls, through links 33, 35, 37 and 39 and levers 34, 36 and 38, an aileron 41 mounted on a lift increasing flap 3. The connection to the aileron may be omitted. Lateral movement of the rotor may be suppressed, ailerons being provided.
Patent GB-802571-A (GB)
Title: Improvements in devices for cleaning and maintaining bladed tools
IPC: A46B17/08
Filed: 1953-10-28
Abstract: 802,571. Brushes and pads combined with other articles. ALLEN, W. Oct. 22, 1954 [Oct. 28, 1953; April 22, 1954], Nos. 29767/53 and 11596/54. Class 19. A cleaning device for bladed tools, more particularly lawn mowers and garden shears, comprises two arms connected for movement towards and away from each other, a pair of brushes mounted on the arms to engage opposite sides of a blade of the tool and a third brush projecting beyond the connected ends. As shown in Fig. 1, the arms are urged apart by a spring and carry oiling pads 12, 13 in addition to the brushes. The pivot carries a tool 21 for cleaning oiling holes and a scraper 22 having a curved surface to fit the roller of a lawn mower. In an alternative embodiment, Fig. 4, the arms are made of resilient twisted wires having bristled ends 35 and 36 and fibrous oiling pads 37, 38. A clip 39 is provided to hold the arms together. The member 33 which carries the additional brush 34 may also carry the tools 21 and 22 of Fig. 1. The bristles may be of a synthetic fibre such as nylon or of wire.
Patent GB-536376-A (GB)
Title: Improvements in or relating to the performance of finishing operations upon shoe bottoms
IPC: A43D95/22
Filed: 1939-11-10
Abstract: 536,376. Finishing shoe bottoms. B. B. CHEMICAL CO., Ltd., and PUDDEFOOT, L. E. Nov. 10, 1939, No. 29787. [Class 95] A finishing operation is performed on the bottom of a shoe outsole, by rapidly applying (e.g. by spraying) bottom finish to the bottom of the outsole, whilst the edge surface of the outsole is protected against the application of bottom finish thereto. The edge surface may, for instance, be first treated with a coating composition, e.g. a rubber latex composition, which enables any bottom finish deposited on the edge to be readily removed subsequently. After the coating composition has been applied to the edge surface, the bottom of the outsole may be scoured to provide a smooth even surface for the reception of the bottom finish, and to remove any coating composition which may inadvertently have been applied to the bottom. Bottom finish may then be rapidly applied to the bottom, the surface brushed, mopped or padded, and the protective coating removed from the edge surface. Alternatively, the edge of the outsole and the adjacent portion of the shoe upper may be mechanically masked while the bottom finish is applied. A suitable masking device comprises a frame 21 consisting of two channel-shaped members 23, pivoted together at 25, and receiving an inflatable tubular rubber shoe-engaging member 31. When the shoe has been inserted, sole uppermost, the treadle-operated lever 51 is depressed, thus swinging inwardly the bars 15 and pressing the shoe-engaging member 31 firmly against the periphery of the shoe bottom. Specification 246,213, [Class 17 (i)], is referred to.
Patent GB-760295-A (GB)
Title: Improvements in knives having concealable blades
IPC: B26B3/06
Filed: 1954-10-15
Abstract: 760,295. Knives. GARCIA, J. G. Oct. 15, 1954, No. 29787/54. Class 30. A knife, comprises a handle having two hollow longitudinal sections hinged to each other at one end and a blade movable longitudinally from an out of use position enclosed in the handle to an extended position for use by movement of the handle sections about their hinge, the handle sections being connected to the blade by movable arms each hinged at one end to the base of the blade and at the other end to a point midway along the length of one of the sections. As shown, channelled handle sections 1, 2, mutually pivoted at 3, form a sheath for the retracted blade 5 which has a base 7 on which one end of each of four arms 6 is pivoted, the other ends of the arms being pivoted, in pairs, at the centre of each handle section. The blade is moved through a space between the pivots 3 when the handle sections are separated and is fully projected by subsequent closure of the handle sections. A locking member 4 is provided and the ends of the handle sections, near the pivot, are shaped to hold the projected blade rigid and have meshing teeth to prevent relative longitudinal displacement. One of the handle sections may have indentations 12 corresponding to the position of the fingers of a hand gripping the knife.
Patent GB-766729-A (GB)
Title: Device for creating suction
IPC: F04F5/22
Filed: 1954-10-18
Abstract: 766,729. Ejectors. SVENSKA AKTIEBOLAGET GASACCUMULATOR. Oct. 18, 1954 [Oct. 23, 1953], No. 29910/54. Class 71 A vacuum is created in a container 1 by means of two ejectors in series. The suction compartment 9 of one is connected to the container 1 through a non-return valve 13.
Patent GB-159041-A (GB)
Title: Improvements in and relating to single lift elevating trucks
IPC: B62B3/06
Filed: 1919-12-01
Abstract: 159,041. Lovejoy, R. M. Dec. 1, 1919. Shafts and poles. - The steering- handle of a handtruck of the lifting-platform type comprises a tubular member 18 secured in member 14 pivoted to the steering-head 11 of the truck, and a member 23 which telescopes into the tube 18 and is frictionally held therein by means of a spring 27 secured to a cross-head 26 on a rod 25 which is connected to the member 23. The transverse bar 20 is secured on the member 23 by means of a clip 21.
Patent GB-948864-A (GB)
Title: Improvements in electro-mechanical drive plants
Inventor: FAGEL ROGER
IPC: B61C17/08
Filed: 1962-08-03
Abstract: 948,864. Driving dynamos. ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI. Aug. 3, 1962 [Aug. 7, 1961], No. 29967/62. Heading H2A. [Also in Division F2] The generator 3 of an electric transmission system for a vehicle driven is from the engine flywheel 1 through increasing epicyclic gearing 5 the input planet carrier of which is resiliently driven by the flywheel by virtue of being gripped between rubber rings 10, 11 compressed against the flywheel by a plate 12. Radial movement of the carrier plate is prevented by a bearing 9 in the flywheel.
Patent GB-1156702-A (GB)
Title: Magazine for Filing Recording Media.
IPC: A47B63/06
Filed: 1966-07-04
Abstract: 1,156,702. Filing papers. ATELIERS DE CONSTRUCTION DE VANVES H. DUMENIL. 4 July, 1966 [2 July, 1965], No. 30005/66. Heading B6E. In a filing apparatus wherein papers are filed in trays 6 carried by conveyer chains for movement into a horizontal position, the trays in the vertical positions on either side of the horizontal position are stacked, one on top of another, and are still connected to the chains. Lateral frames 1, 1<SP>1</SP> each support two wheels 2a, 2b and 2c, 2d, respectively, for two chains 4b, 4a, and two further chains 5d, 5b are supported, respectively, by wheels 3c, 3d and 3a, 3b. Each tray 6 (Fig. 8), has two non-aligned, parallel suspension pins 7 which pivotally engage the first chains 4a, 4b, and extend beyond them; and keyed to the extended ends of the pins 7 are cranks 8 (Fig. 2) having crank pins (9) which pivotally engage the outer chains 5a, 5b. The distance between the axes of corresponding wheels (2a, 3a) for the two chains is equal to the distance between the pins 7 on the trays, whereby the trays are kept horizontal when moving vertically to and from a stacking position. The chains are driven from a motor 10 through reduction gearing and shaft 12, and the ends of the chains can be free, weighted or tensioned by springs, so long as the horizontal portions of the chains remain tensioned in all positions of the trays 6. In the stacking position, the sections of chains collapse into a folded state. In a modification (Fig. 10) for use with trays (Fig. 9) with widely separated pins (7a), the cranks and crank pins are eliminated, and the pins themselves extend through pivots in both sets of chains (4a, 4<SP>1</SP>a and 4b, 4<SP>1</SP>b), and the axes of the chain wheels are staggered a distance equal to the distance (D) between the pins (7a) of the trays. In order to avoid noise when one tray is stacked on another, the chains are driven at a speed which varies cyclicly. This can be accomplished by arranging between the speedreducing unit 11 and the drive shaft 12, directly engaging elliptic gears (21, 22, Fig. 11); or elliptic gears (23, 24, Fig. 12) driven by an interconnecting chain; or circular gears (Figs. 14 and 15) which are eccentrically mounted and connected by chains; or gears of rectangular or octagonal shape (Figs. 16 and 17) connected by chains could be used.
Patent GB-165370-A (GB)
Title: Self-discharging waggons
IPC: B61D7/02
Filed: 1920-10-25
Abstract: 165,370. Rogers, T. W., (Krupp Akt.- Ges., F.). Oct. 25, 1920. Hopper wagons. - A hopper wagon in which the bottom is opened by the weight of the contents, comprises two bottom flaps B pivoted at a' to the main frame A, and having pivoted to their upper edges side walls C which are connected by radius rods D to pivots a<3> in the fixed end walls A<2> of the wagon. The lower edges of the flaps B are held together by a catch, the releasing of which allows the weight of the contents to force the sides and bottom of the wagon into the position shown in Fig. 2 at the same time effectively breaking up the material. The walls and flaps are returned to the loading position, by gravity, with or without the assistance of counterweights or springs.
Patent GB-1432962-A (GB)
IPC: C07F7/18
Filed: 1973-06-25
Abstract: 1432962 6 - [α - (Carboxy)arylacetamido]- penicillanic acids PFIZER Inc 25 June 1973 [12 July 1972] 30149/73 Heading C2C [Also in Division C3] A process for preparing 6-[α-(carboxy)arylacetamido]penicillanic acids and esters thereof, of the Formula I wherein A is 3-thienyl, phenyl or substituted phenyl wherein the substituent is alkyl of 1-4 carbon atoms, chloro, bromo, fluoro, trifluoromethyl, or alkoxy of 1-4 carbon atoms; R is hydrogen, cyanomethyl, benzhydryl, 2,2,2-trichloroethyl, 2-iodoethyl, 2-bromoethyl, benzyl, phenacyl, substituted benzyl or phenacyl wherein the substituent is halogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or nitro, or acyloxyalkyl of 1 to 4 carbon atoms in the alkyl moiety and the acyloxy moiety is alkanoyloxy of from 1 to 6 carbon atoms, benzoyloxy or substituted benzoyloxy wherein the substituent is chloro, bromo, fluoro, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or trifluoromethyl, comprises acylating, in an anhydrous reaction-inert solvent, an ester of 6-aminopenicillanic acid of the formula wherein R 1  is hydrogen or -SiR 3 R 4 R 5 ; and R 2  is R as defined above or -SiR 3 R 4 R 5 ; wherein each of R 3 , R 4  and R 5  is hydrogen, alkyl of 1 to 4 carbon atoms, phenyl, tolyl or dimethylaminophenyl; with a silyl ester of a monoacid halide of an arylmalonic acid of formula wherein X is chloro or bromo, m is 1 or 2 and n is 0 or 1 with the proviso that when m is 2, n is 0; treating the acylated product thus produced with a hydroxyl-group-containing solvent; and recovering the product of Formula I. Hydrocarbons, chlorinated hydrocarbons and ethers are suitable inert solvents to carry out the reaction in. The reaction may be conducted at -10 C. to +20 C. The ester group of the Formula I compound may be removed by treatment with either a nucleophilic agent such as an alkali metal thiophenoxide, or a reducing agent such as nascent hydrogen, or alkali or alkaline earth metals in liquid ammonia.
Patent GB-736335-A (GB)
Title: A storage tank for a lubricating system
IPC: F01M5/00
Filed: 1953-11-02
Abstract: 736,335. Lubricating. UNITED AIRCRAFT PRODUCTS, Inc. Nov. 2, 1953 [April 22, 1953], No. 30252/53. Class 12 (3). A storage tank for use in an engine lubricantcirculating system comprises an outer shell for holding the main body of lubricant, a hopper spaced from the walls of the shell and through which a part of the lubricant may be circulated in segregated relation to the main body of lubricant, separate inlet openings in the tank for flow to the interior of the tank and hopper respectively, and a conduit leading from one of the inlet openings to the hopper, the conduit comprising an annulus surrounding the hopper whereby lubricant flowing through the conduit may transfer heat to the main body of lubricant. As shown a reservoir 10 for lubricating oil contains a hopper assembly 12 comprising members 13, 14 with an annular space 15 between them. Conduits 16, 17, 18, 19 are provided leading from the reservoir and hopper assembly to a valve assembly 21 in a circulating system which includes an engine 22, pumps 23, 24 and flow lines 25, 26. The valve assembly may be of the kind disclosed in Specification 712,085. On starting the engine, the cold lubricant is pumped through flow line 25, conduit 17, annular space 15 between members 13, 14, the interior of the member 14, outlet conduit 16 and now line 26 back to the engine. When the lubricant is sufficiently heated, the valve assembly is operated so that the lubricant passes to the tank through conduit 19 and returns to the engine by conduit 18, the hopper being by-passed.