baber/WOPTO huggingface dataset:
Patent GB-224173-A (GB)
Title: Improvements in or relating to tube mills, rotary kilns, rotary screens and the like
IPC: B02C17/24
Filed: 1924-05-22
Abstract: 224,173. Brown & Sons (Huddersfield), Ltd., D., and Child, W. H. May 22,1924. Rotary kilns. - In a rotary kiln the hollow feed-trunnion c is provided with an oil-tight bearing e on the inner end, and a driving-gear f on the outer side of the bearing e meshing with a driven pinion, the gear f and pinion being enclosed in an oil-tight casing j with means for supplying lubricant under pressure to the casing j and bearing e. On its inner side, the casing abuts against the bearing e, and suitable oil-catchers k are provided on the inner side of the bearing e, at the junction between the bearing e and the casing j, and on the outer side of the casing j. The shaft g of the driving pinion is provided at each side of the casing with oil-tight bearings i, also provided with oil-catchers. Oil is supplied under pressure to the bearings e. i and casing through pipes e<1>, i<1>, j<1>. Renewable rings l of felt &c. carried in grooves on the outer side of the casing j and on the inner side. of the bearing e bear on the surface of the trunnion c and act as grit excluders, and similar rings may be provided on the bearings h, i.
Patent GB-217567-A (GB)
Title: Improved process and means for expelling gas from solid bodies
IPC: C22B1/14
Filed: 1924-05-22
Abstract: In calcining alumina the heat is supplied to the charge only from that accumulated in the walls of the retorts &c. during a previous internal heating.  The retorts consist of parallel channels formed by vertical or inclined partitions or grated cross-walls.  The heating gases are passed through the channels until the requisite temperature is attained, whereupon the gas supply is discontinued and the charge inserted.  The channels may be arranged in the form of an annular kiln, and worked on a regenerative system.
Patent GB-686560-A (GB)
Title: Improvements in or relating to sliver drawing mechanism for slubbing, roving or spinning frames
IPC: D01H5/26
Filed: 1950-05-19
Abstract: 686,560. Sliver-drawing mechanism. KERN, R., and PAUEN, W. May 19, 1950 [May 20, 1949; May 20, 1949; June 23, 1949; Oct. 31, 1949], No. 12611/50. Classes 120(i) and 120(ii) Sliver - drawing mechanism of the kind comprising a driven feed roller, a delivery roller loaded by a top roller and driven at a substantially greater peripheral speed than the feed roller, and a sliver-guide roller which is of larger diameter than the delivery roller and is so disposed between the feed roller and the delivery roller that a sliver passing between the feed roller and the delivery roller engages the top of the sliver-guide roller and is lapped round at least approximately one-third of the circumference thereof, is characterised in that a movable band is arranged above and is adapted to press the sliver against the sliver-guide roller, the movable band passing round a guide element which has a radius of curvature substantially smaller than the radius of the driven delivery roller and is disposed in a space formed between the top roller and the sliver-guide roller, thereby determining the point where the sliver becomes disengaged from the sliver-guide roller. The guide element may be adjustably mounted. As shown the mechanism comprises feed rollers 12 and 13, delivery rollers 14 and 15 and a driven sliver-guide roller 18 so arranged that the sliver 11 passes over the top of roller 18 and is lapped round nearly half the circumference thereof. Above the roller 18 is mounted an endless belt 19 which presses the sliver down on to the roller 18 and is guided by three elements 21, 22 and 23 carried in a frame member 20 pivoted at 24 and carrying a sliding weight 26. The point where the sliver 11 leaves the roller 18 is determined by the position of the guide element 23 which is adjustably mounted. The surface of the roller 18 is preferably roughened or may be provided with recesses or grooves, or with teeth, needles, barbs or like projections, or with a coating or layer of hard granular material.
Patent GB-819291-A (GB)
Title: Improvements in or relating to the preparation of polyvinyl acetate
IPC: C08F18/08
Filed: 1957-04-17
Abstract: Vinyl acetate is polymerized using, as catalyst, a mixture of a vanadium compound and an organometallic compound of an alkali or alkaline earth metal, zinc or aluminium.  Crystalline polyvinyl acetate may thus be produced.  Hydrolysis with an alkaline agent, e.g. alcoholic alkali or acid, yields polyvinyl alcohol with a very high degree of crystallinity, and particularly suitable for fibres which are stronger and less soluble than usual polyvinyl alcohol fibres.  Polymerization may be batch-wise or continuous in an inert liquid medium, e.g. hexane, heptane, cyclohexane, benzene, toluene, xylene, ethyl chloride, methyl chloride, methylene chloride, ethylene chloride, chlorbenzene, diethyl ether, dioxane or tetrahydrofuran. Temperatures may be - 50 DEG  to 150 DEG  C. and pressure may be atmospheric or sub- or super-atmospheric.  Suitable vanadium compounds are the dichloride, trichloride, trifluoride, oxychloride, oxydichloride, pentoxide or trioxide, alkyl vanadates and vanadium oxyacetylacetonate.  Suitable organometallic compounds are butyl-lithium, amyl sodium, phenylsodium, dimethyl magnesium, diethyl magnesium, diethyl zinc, butyl magnesium chloride, phenyl magnesium bromide, triethylaluminium, tributylaluminium, triisobutylaluminium, trioctylaluminium, tridodecylaluminium, dimethyl aluminium chloride, diethylaluminium bromide, diethylaluminium chloride, ethylaluminium dichloride, aluminium sesquichloride, dipropylaluminium fluoride, diisobutylaluminium fluoride, diisobutylaluminium chloride, diethylaluminium hydride, ethyl aluminium hydride, diisobutylaluminium hydride, sodium aluminium tetraethyl, lithium aluminium tetraoctyl and sodium aluminium triethyl chloride.  The vanadium compound may combine, e.g. with reduction to a lower valency state, with the organometallic compound, in which case additional organometallic compound (the same or different) must be added before polymerization.  The catalysts may be added as solutions or suspensions.  They are preferably finely divided.  If desired a complexing agent for the organometallic compound which is an ester, ether, tert. amine, ketone or nitroaromatic compound, e.g. diethyl ether or tetrahydrofuran, may also be added.  In Example (1) vinyl acetate was polymerized in an atmosphere of nitrogen, in diethyl ether containing a mixture of tri-isobutyl aluminium and vanadium trichloride in n-heptane.  Anhydrous ethanol was added to stop polymerization.  The polymer was extracted with boiling cyclohexanone, dried, dissolved in boiling xylene, filtered and recovered.  It was crystalline.  Example (2) is similar using tetrahydrofuran as reaction medium.  The polyvinyl acetate was dissolved in methanol sodium methoxide added, and the mixture refluxed.  The resulting polyvinyl alcohol had a very high degree of crystallinity and yielded strong insoluble fibres.  Example (3) is similar to Example (2) but uses triethylaluminium instead of triisobutylaluminium.
Patent GB-571560-A (GB)
Title: Improvement in keto esters and polymers including the same
IPC: C07C69/54
Filed: 1941-09-30
Abstract: Ketonic esters of acids of the acrylic series are made by reacting an alkali metal salt of the acid with a halogen-substituted ketone. Compounds that may be made include a -acetyl ethyl propionyl methyl cyclohexanonyl, methyl cyclohexanonyl, 1-carbethoxy acetyl, acetyl methyl and benzoyl methyl, methacrylates and products obtained from the halogen derivatives of a long list of saturated, unsaturated, cyclic and di-ketones.  Alkali salts of acrylic, methacrylic and ethacrylic acids, half esters of itaconic acid cinnamic acid and a -phenyl acrylic acid.  Examples describe the production of acetyl methyl methacrylate, a -acetyl ethyl methacrylate, propionyl methyl methacrylate, cyclohexanonyl and methyl cyclohexanonyl methacrylates, 1-carbethoxy acetonyl methacrylate, and acetyl methyl acrylate.  The keto esters may be polymerized alone or with other polymerizable materials such as butadiene, isoprene, dimethyl butadiene, styrene, acrylonitrile, methacrylonitrile, vinyl chloride, vinylidene chloride, dimethyl fumarate, and other dialkyl fumarates by ultra-violet light or by emulsion polymerization.  Further examples describe the polymerization in ultra-violet light of acetyl methyl methacrylate, of acetyl methyl methacrylate and styrene and of acetyl methyl methacrylate and vinylidene chloride in sunlight, and of acetyl methyl acrylate and butadiene in aqueous emulsion.
Patent GB-1007897-A (GB)
Title: Improvements in or relating to electromagnetic waveguides
Inventor: DAVIDSON CYRIL FRANK
IPC: H01P1/18
Filed: 1961-04-07
Abstract: 1,007,897. Waveguide phase-shifters. POSTMASTER - GENERAL. March 28, 1962 [April 7, 1961], No. 12661/61. Heading H1W. A variable phase-shifter, for use with a circular waveguide using H on  modes of propagation, comprises an extensible helix. The helix 7 is made of piano wire and is threaded at either end into the bores of two annular members 2, 4 which carry circular waveguide sections 3. The member 4 may be moved axially within a sleeve 1 by means of a threaded cap 5. Since the sleeve is fixed at one end to the member 2, this movement effects extension or contraction of the helix. The helix is supported by three circumferentially spaced silver-steel rods 9 fixed in the member 2 and slidably supported by the member 4.
Patent GB-1123126-A (GB)
Title: Mass measurement system
IPC: B64G1/66
Filed: 1967-03-17
Abstract: 1,123,126. Measuring mass; measuring vibrations. INTERNATIONAL STANDARD ELECTRIC CORP. March 17, 1967 [March 21, 1966], No.12668/67. Heading G1N. The mass of a space vehicle is measured by vibrating a test mass 11 suspended within the vehicle 10 and measuring the resultant vibrations of the vehicle. The test mass comprises a soft iron portion (18) between non-magnetic end portions (19) and is attached to the vehicle by springs (12) and is supported for longitudinal movement in bearings (20). A drive source (21) drives a pushpull amplifier (22), the respective outputs of which feed a pair of coils 14 for causing the mass 11 to vibrate. A signal representing the displacement of mass 11 is fed as a reference signal to a phase sensitive detector 16 which also receives the output of an accelerometer 15 mounted on the frame of the vehicle. The output of the phase sensitive detector is passed through a low pass filter 17 and the resultant D.C. is inversely proportional to the mass of the space vehicle. Corrections can be applied if the vehicle is being accelerated or is in a gravitational field. The drive source may generate a constant frequency equal to the resonant frequency of the test mass 11 or a random noise or psendo random noise may be used to render the measurements insensitive to natural resonances which may be present in the space vehicle. The axes of the mass 11 and the accelerometer should be in line with an axis of symmetry of the vehicle passing through the centre of mass; alternatively two units may be used to balance the torque. The mass 11 may be rigidly clamped during periods of excessive disturbance. Also a summing circuit (26) may be provided to limit the drive to coils 14 when an excessive displacement of the mass 11 takes place.
Patent GB-1415633-A (GB)
Title: Coil bearing part especially for record bearing means such as tapes
IPC: B65H75/04
Filed: 1974-03-21
Abstract: 1415633 Spools; securing tape ends KIENZLE APPARATE GmbH 21 March 1974 [29 March 1973] 12721/74 Heading B8M A tape spool comprises, Fig. 3, a part 1 having two concentric, part-cylindrical, external surfaces, and a resilient clip 6 which snaps on to part 1 to grip tape end 7, the outer partcylindrical clip surface being flush with the outer exterior surface of part 1. The bore of part 1 may be shaped for a driving connection, e.g. a part of even wall thickness, Fig. 1, has a driving recess 5. Part 1 may have flanges 8, and the tape-end grasping surfaces may be roughened. Part 1 may be diecast.
Patent GB-1170168-A (GB)
Title: Treatment of Molten Metal.
Inventor: HOLLAND MICHAEL LESLIE
IPC: C21C7/064
Filed: 1967-03-17
Abstract: 1,170,168. Casting processes. FOSECO INTERNATIONAL Ltd. 1 March, 1968 [17 March, 1967], No. 12759/67. Heading B3F. [Also in Divisions C5 and C7] Molten ferrous metal, e.g. steel is desulphurized and deoxidized in a ladle or an ingot mould by adding an exothermic additive comprising: Parts by weight Lime (CaO) .. .. 40 to 80 Iron oxide .. .. 5 to 30 Oxidizable material .. 5 to 25 the weight of lime being at least twice that of iron oxide which is present in a quantity stoichiometrically insufficient to oxidize all the oxidizable material. The iron oxide may be haematite, magnetite or millscale. The oxidizable material may be a finely divided metal or mixture thereof, e.g. Al, ball mill dust (20% Al), Mg or Ca/Al, or Si, Fe-Si, a silicide (e.g. of Ca), or Ca/Si. Besides iron oxide, other oxidizing agents may be present, such as an alkali metal nitrate or chlorate (e.g. NaNO 3 , KNO 3  or NaClO 3 ), MnO 2  or perchlorates. Other optional ingredients present may be siliceous blast furnace slag, fluorspar or other fluorides (e.g. NaF, KF or cryolite), alumina or silica flour or Na 2 CO 3 . For ingot moulds, the additive has an anti-chilling effect.
Patent GB-786097-A (GB)
Title: Improvements in or relating to bathroom cabinets and the like
Inventor: THURGAR HARRY DUNDONALD
IPC: A47B67/02
Filed: 1955-05-03
Abstract: 786,097. Cabinets; tooth-brush racks. THURGAR BOLLE (SUCCESSORS), Ltd. May 2, 1956 [May 3, 1955], No. 12828/55. Classes 52(1) and 131 A bathroom cabinet moulded from thermo-plastic material has a door recessed on its inner side to accommodate a narrow rack 22 one end of which can be slid longitudinally into a socket 27 adjacent the door catch 32 while the other end fits over a lug 29 on the door and is secured by a pin 31. The rack is preferably of channel section with slots 25 to receive tooth-brushes and can serve to hold a mirror 21 in an aperture in the door front.
Patent GB-792043-A (GB)
Title: Improvements relating to mass spectrometers
IPC: H01J49/14
Filed: 1956-04-26
Abstract: 792,043. Ion sources. GENERAL ELECTRIC CO. April 26, 1956 [April 26, 1955], No. 12852/56. Class 39(1). An ion source for a mass spectrometer includes an ionization chamber 1 with a hole 13 through which an ionizing electron beam is injected, and a curved plate 14 for repelling the ions which are formed through a slit 16. The curved plate 14 provides with a pair of curved plates 17 on either side of the slit, a focusing field for the ions. A magnetic field is provided by pole-pieces 5 in the direction of the electron beam. An example is given of suitable dimensions and voltages. Specification 792,042 is referred to.
Patent GB-138249-A (GB)
Title: Improvements in means for purifying liquid fuel used in internal combustion engines
IPC: B01D21/24
Filed: 1919-05-22
Abstract: 138,249. Giusti, T. May 22, 1919. Separating by gravity. -Liquid fuel on its way to a carburettor is caused to pass slowly in a sinuous path and over the sharp edges of tubes in order that foreign matter may be intercepted and separated therefrom. A chamber c has a depending well c in which foreign matter may colled and is closed by plugs in which the inlet and outlet passages a, b respectively are formed. The. inlet bore is continued by a sharp-edged tube F which is surrounded by a larger sharp-edged tube H on the plug containing the outlet bore. The chamber c communicates with the outlet b through several small ducts o located in the upper half of said chamber, which therefore serves as a trap' for foreign matter.
Patent GB-104469-A (GB)
Title: Improvements in and relating to the Manufacture of Electrically Welded Link Chains and Cables.
Inventor: GREEN RICHARD
IPC: B21L3/02
Filed: 1916-03-13
Abstract: 104,469. Green, R. March 13, 1916. Making chains.-Electrically welded and handmade link chains are blocked and sized by passing between a grooved roll f and a sprocket roll e. The rolls are carried in adjustable housings and are both driven. The teeth e<1> open out the horizontal links d and standardize the length of the vertical links. The chain is twisted through 90 degrees and passed through the rolls again.
Patent GB-938213-A (GB)
Title: Bed covering
IPC: H05B3/34
Filed: 1961-04-11
Abstract: 938,213. Bed coverings. J. P. QUENNEVILLE. April 11, 1961 [April 16, 1960], No. 12953/61. Class 142 (4). A bed covering is partially divided down its centre. Various shaped centre overlaps and fastenings are described and each portion may have independently controlled heating elements.
Patent GB-984472-A (GB)
Title: Improved method of and apparatus for the granulation of agglomerable pulverous materials
IPC: B30B11/00
Filed: 1962-04-04
Abstract: 984,472. Agglomerating pulverous material. GLAVERBEL. April 4, 1962 [April 5, 1961], No. 13050/62. Heading B5A. In a method for the granulation of agglomerable pulverous material, an elastic body, provided with cells, is tensioned to open the cells and allow the material to enter, then is allowed to return to its initial condition, so that the cells close and the material is compressed, and is again tensioned to allow the formed granules to escape. The apparatus shown consists of an endless belt 3 of elastic material having cells 4 formed in it, which may be of various shapes, preferably frusto-conical, and may be blind cavities or extend throughout the belt. As the belt travels over a leading drum 1 the cells flare out, and become filled with pulverous material from a hopper 9. As the belt travels downwards, the cells return to their normal shape, compressing the material which may be further compressed between a roller 17 and the drum 1. Heating or cooling devices 26 may be provided. At the discharge drum 2 the cells widen and the granules are released into a column 27. To facilitate expulsion of the granules the drum 2 (Fig. 1) may be replaced by two drums 20, 21 (Fig. 16), between which is placed a hammer 22 or a diffuser. A grading device to separate the formed granules from an agglomerated material may be used and may consist of a fan 30 at the foot of column 27. The air circulated may be heated or cooled.
Patent GB-1006999-A (GB)
Title: Cooling apparatus for beer and other beverages
Inventor: LEEMING KENNETH WILBY
IPC: F25D31/00
Filed: 1962-04-04
Abstract: 1,006,999. Refrigerators; cooling liquids in bulk. J. SAMUEL WHITE & CO. Ltd. June 19, 1963 [April 4. 1962], No. 13055/62. Headings F4H and F4S. A transportable cooler for beverages particularly beer comprises a east aluminium or other metallic cooling pad 11 containing a copper evaporator coil 25 of a conventional refrigerator system which is enclosed in a rectangular casing 10. The pad has a protuberant concave upper surface 23 shaped to be in surface-tosurface contact with the base 19 of a metal storage keg 14 of standard shape and dimensions having a recessed convex base 19 strengthened by eight wedge-shaped radial ribs and fitted with a discharge tube 18 reaching to near the bottom of the keg and a gas inlet tube 20. The flange 26 of the pad 11 bears through a rubber gasket 27 on a supporting member 28, filled with glass wool or other insulating material through which tubes 30, 31 pass connecting the coil 25 to the refrigerator circuit. A modified form of pad has the flange 26 extended to form an encircling trough which draws into a drip tray beneath. In a modified casing the refrigeration system is contained in side panels on two sides of a shallow base containing the pad. The cooler may comprise two or more pads controlled separately by adjustable thermostats or time switches but cooled by one refrigerating system.
Patent GB-564314-A (GB)
Title: An improved self-locking control device for a controlled member
IPC: E05C17/34
Filed: 1944-01-04
Abstract: 564,314. Locking levers. GILL, E. G. A., and SKYLUX, Ltd. Jan. 4, 1944, No. 131/43. [Class 80 (iii)] Relates to a self-locking lever, particularly for'operating casement windows, fanlights and the like. A part circular casing 1 is secured by screws 2 to a frame 3, the bottom of the casing having a central bored boss 6 in which is fitted an axle pin 7 upon which operated and operating levers 8, 9 are freely mounted. The lever 8 at its pivoted end has a boss 10 upon which is seated the inner end of lever 9 so as to provide a space to accommodate the locking members 22. The casing has a cover 13 secured by a nut 14 on the axle pin 7, a coil spring 16 serving to press the levers 8, 9 together. The cover is recessed at 19 to permit movement of lever 9, and lever 8 works in a recess 20 between the circular side wall of the casing and an open flat side thereof. The inner end of lever 8 is formed as a plate 21 which carries pivot pins 23 for the locking members 22 which are covered by a plate portion 24 of lever 9. The locking members have eccentric cam surfaces 25 to engage the interior surface of the casing, and are normally held in engagement therewith by springs 27. The members 22 have noses 29 adapted to be engaged by a projection 30, on lever 9, which enters a slot 31 in plate 21. Any force originating at lever 8 will lock it against the casing, but a force applied to lever 9 will release one of the members 22 and permit lever 8 to be moved.
Patent GB-130184-A (GB)
Title: Improvements in Collars for Traction Harness.
Inventor: SKINNER JAMES
IPC: B68B3/10
Filed: 1918-08-14
Abstract: 130,184. Skinner, J. Aug. 14, 1918. Collar, neck.-Relates to collars which are provided with pneumatic cushions. The collar cornprises a trough part a, Fig. 2, of leather for the reception of an inflatable tube or chamber b, which is retained therein when expanded by providing the edge c of the trough a with a beading of metal or other material. To protect the tube, a shield of fabric e is employed. Fig. 3 shows a modification in which the shield is riveted to the edge of the trough at f.
Patent GB-132171-A (GB)
IPC: B66C1/54
Abstract: 132,171. Key, F. E. Feb. 11, 1919. Hand-hole doors. - Plugs A are passed into the boiler through holes 2 and are drawn into the openings 1 to be closed, by a chain 3 connected to a grappling-device. The curved upper edges of the wings 4, 8 guide the plug into the opening.
Patent GB-647202-A (GB)
Title: Methods for balancing oscillatory or rotary members
IPC: G04B17/28
Filed: 1947-05-16
Abstract: 647,202. Testing balance of rotary bodies. KOHLHAGEN, W. May 16, 1947, No. 13263. [Class 106 (ii)] [Also in Group XVIII] A group of similar oscillatory or rotary members, each having less than a predetermined maximum " inherent unbalance'' about its axis, are balanced by a method which does not discriminate between the different degrees of unbalance in the individual members and comprises changing the weight of each member at angularly-spaced points so that the resulting unbalance lies within a permissible range. As shown in Figs. 2 and 3, a clock balance 20 is freely supported without friction on bars 26, 27 so that the " inherent mean heavy spot " IMHS comes to the bottom. A balancing light spot BLS is formed, e.g. by drilling a hole, at a predetermined angular distance less than 85 degrees from IMHS, and having a fixed value. The balance is then freed and assumes the position of Fig. 4 with the " resultant mean heavy spot " RMHS, Fig. 3, at the bottom. A connecting light spot CLS is then formed at a point on a radial line through RMHS, and also having a fixed value. The values of BLS and CLS are so chosen that whatever the original unbalance (within a predetermined range) the resultant unbalance will not exceed the " permissible unbalance." Instead of material being taken away at spots BLS, CLS, material may be added at the diametrically opposite spots RHS, RMLS, by spot-welding, soldering, cementing &c., or a combination of these two methods may be used. A thick rotary member 29, Fig. 7, may be dynamically balanced by using the method above described successively for the two end planes. The invention may also be applied to fly-wheels, turbine wheels and the rotary parts of an electric motor. The method may be repeated two or more times on one member.