baber/WOPTO huggingface dataset:
Patent GB-942846-A (GB)
Title: Improvements in or relating to the evaporation of solutions
IPC: B01D1/12
Filed: 1961-06-05
Abstract: 942,846. Evaporating liquids. CUKORIPARI KUTATO INTEZET. June 5, 1961 [June 14, 1960], No. 20267/61. Heading B1B. In the concentration of solution, e.g. a sugar solution, by evaporation, the solution is passed through externally-heated tubes 2, each containing a conical spindle 3, which tapers in the direction of liquid-flow, and helical fins 4 and 6. The liquid-vapour mixture moves with high velocity through an annular space of increasing cross-section in each tube, and centrifugal motion is imparted to the liquid which urges it into contact with the hot wall of the tube. The solution to be concentrated is pumped from tank 21 through preheater 17 into the top of the evaporator. The tubes are surrounded by a heating-chamber 1, which is supplied with steam through pipe 19. The liquid enters each tube through a convergent orifice, and flows through a helical duct formed by shallow-pitched fin 4. The liquid and vapour then flows through the helical duct formed by the high-pitched fin 6. The mixture of vapour and concentrated solution is received in separating-chamber 15, whence the vapour is withdrawn through valve 8. The concentrated solution is discharged through valve 7. The desired degree of concentration can be achieved by a single passage of the solution through the evaporator. The apparatus is advantageously maintained under reduced pressure. An evaporator of the upflow flow, suitable for operation at relatively high pressure, is also described.
Patent GB-762423-A (GB)
Title: Improvements in or relating to impression cylinders for rotary printing machines
IPC: B41N10/04
Filed: 1954-07-12
Abstract: 762,423. Impression cylinders. TIMSONS, Ltd., and TIMSON, E. A. July 6, 1955 [July 12, 1954], No. 20312/54. Class 100(2) An impression cylinder for a rotary printing machine, particularly for gravure printing, is constructed with layers of resilient material having gradual hardness factors diminishing outwardly, the outer layer being the most resilient. There may be three layers, the hardness factors being 90/95, 75/85 and 50/60 respectively, and the layers being secured to the cylinders and to each other by vulcanization. The thickness of the layers is graduated also, the outer layer being the thinnest. The resilient material may be rubber, artificial rubber, plastic material such as polyvinyl chloride having the nature of rubber, or, for the harder layers, ebonite or vulcanite.
Patent GB-1084893-A (GB)
Title: Curable polythioether compositions
Inventor: CAMERON GRANT MCLAY
IPC: C08G75/14
Filed: 1965-05-13
Abstract: Curable polythioether compositions are made from an adduct of a monoepisulphide with a compound containing on average more than two hydrogen atoms directly attached to sulphur or nitrogen atoms per molecule and an oxidative curing agent for the said adduct. Suitable monoepisulphides include those consisting of hydrogen, sulphur and from two to ten carbon atoms; propylene sulphide is especially used. The reactive hydrogen compounds include those having three or more mercaptan groups per molecule and also those having either at least two primary amino groups or at least one primary amino group and at least one secondary amino group. Oxidative curing agents may be metal oxides, such as lead dioxide, tellurium dioxide, zinc oxide, magnesium oxide and manganese dioxide and organic peroxides and hydroperoxides. The compositions may be supplied in the form of two separate formulations, one containing the adduct, which may contain fillers, accelerators and other additives which do not react with the adduct, and the other the oxidative curing agent which may contain plasticizers and retardants.  Additives include long chain fatty acids or a metal salt thereof, a liquid or solid resole phenolic resin, an epoxy resin, polyvinyl acetate, finely-divided silica, carbon black, lithopone, titanium dioxide, barytes, calcium carbonate and silicate, magnesium and aluminium silicate and finely divided metals. Curing may be effected with or without the application of heat.  The examples describe the preparation and curing of adducts of propylene sulphide with ethylene diamine and trithiocyanuric acid. Uses.-Sealants, caulking agents and cable jointing agents.
Patent GB-817255-A (GB)
Title: Improvements relating to electric motor armatures
Inventor: POWELL HAROLD WILLIAM
IPC: H02K13/04
Filed: 1956-07-02
Abstract: 817,255. Winding connections for dynamoelectric machines. KANGO ELECTRIC HAMMERS Ltd. July 2, 1957 [July 2, 1956] No. 20389/56. Class 35. Each connection between the windings 2 and commutator risers 7 of a resin-encased electric motor armature is wholly or partially sheathed in a slightly yieldable material, and the connection or at least the sheathed part thereof is of a length in excess of the straight line distance between the riser and point of entry of the winding wires 1 into the winding 2 so as to permit relative movement, e.g. due to different temperature coefficients of expansion, between the commutator 10 and the armature encasure 8 without straining the connection or its joints, e.g. 3. As shown, each connection 3 comprises a separate fatigue-resistant wire 4 preformed into a U-bend 5, sheathed by a silicone rubber tube 6, and soldered to the wires 1 and riser 7, but alternatively it may comprise an integral extension of the winding wires 1 and may be formed into one or more complete loops. The encasure 8 is formed by an encapsulation process using an epoxy or epoxide resin. In the Provisional Specification the application of the invention is not limited to armatures.
Patent GB-1507828-A (GB)
Title: Package for small articles
IPC: B65D73/00
Filed: 1975-05-08
Abstract: 1507828 Packaging G B GOODMAN 8 May 1975 [9 May 1974] 20404/74 Heading B8C A package for small articles, e.g. of haberdashery, comprises a base card 3 on which a number of articles are mounted in a blister 2 and a display card 5 having an opening covered by the card 3 and in which the articles are visible. Such packages may be produced by forming spaced blisters (8) in a plastics sheet (7), Figs. 6, 7 (not shown), feeding articles into the blisters, applying a backing card (12) of similarly dimensioned periphery to the sheet (7) and sealing it by a heat-sealing head (15) thereto at its periphery and at the surfaces (9) between the blisters (8), and cutting the assembly along the surfaces (9) by cutting press (16) into individual items which are subsequently mounted over the openings in the cards 5. The cards 3 and 5 may be joined by heat sealing, adhesive, staples or a sheet may be pasted over the back of the package.
Patent GB-320415-A (GB)
Title: Improved apparatus for delivering small quantities of liquids
IPC: G07F13/02
Filed: 1928-07-13
Abstract: 320,415. Bywater, D. July 13, 1928. Direct liquid-pressure apparatus; forcing liquids by the displacing action of coins or the like.-Oils, spirits, &c. are delivered in small quantities by the insertion of a coin into a chamber containing a propelling liquid which displaces the oil &c. In one form, the coin is inserted in a float l in the propelling liquid b, so that a portion of the latter is forced through a pipe c into the chamber a containing the oil &c., and forces an equal volume of the oil through the nozzle a<2>. In another form, the coin is dropped into the propelling liquid and displaces a portion of it into the chamber containing the oil &c. To prevent the propelling liquid from passing through the nozzle a<2> when all the oil &c. has been delivered, valves such as are described in Specification 124,055 may be used, and a U-tube may be inserted between the vessels a, b.
Patent GB-1150652-A (GB)
Title: Refrigerating Apparatus
Inventor: BOTTANI ANGELO
IPC: F25D31/00
Filed: 1966-05-09
Abstract: 1,150,652. Refrigerating. A. BOTTANI. 9 May, 1966 [13 May, 1965], No. 20497/66. Heading F4H. Objects, e.g. bottled liquids, are disposed in containers and cooled by streams of carbon dioxide. As shown, pressurized carbon dioxide gas from a container 1 is supplied by pipe 5 to a plurality of nozzles r 1 -r 4  under the control of cocks R 1 -R 4 . Bottles to be cooled are placed in zipped fabric bags C 1 -C 4  permeable to the gas and suspended from the nozzles, or alternatively in containers disposed one beneath each nozzle. The nozzles may be connected to pipe 5 by flexible conduits.
Patent GB-370284-A (GB)
Title: Improvements in and relating to gas controllers, electric time switches and like timing devices
IPC: F23Q9/02
Filed: 1931-07-17
Abstract: 370,284. Gas valves and electric switches operated by clockwork mechanism. HORSTMANN, K. J., HORSTMANN, J. H. G., and HORSTMANN GEAR CO., Ltd., Newbridge Works, Bath. July 17, 1931, No. 20508. [Class 139.] Alarm and like mechanism.-The invention relates to gas controllers, electric time switches and other clockwork timing devices wherein a dial plate is rotated (once in twenty-four hours) from clockwork mechanism and carries tappets which are adjustable on the dial plate and which actuate the gas cock or electric switch. In the present invention a dial sleeve 5, upon which the dial plate 4 is mounted, has constraining means 8, 5<1>, 17 for gripping the sleeve to its driving element 1. The means which clamp the sleeve to element 1 may also clamp the tappets 6 to the dial 4 and the dial 4 to the sleeve 5. The clamp 8, which may be of the general construction shown in Fig. 5 of Specification 23161/09, [Class 139, Watches &c.], is pivoted at 9 to the sleeve 5 so that when it is swung up from the position of Fig. 3 to that of Fig. 5 it clamps dial 4 and tappets 6 rigidly with sleeve 5 by forcing them against a shoulder 15 on the sleeve. 11, 16 are washers. The sleeve 5 is' slit axially at 5b on each side to form tongues 5<1> and when the clamp 8 is raised to the Fig. 5 position, inclined faces 17 on the clamp force the two tongues 5<1> inwards to grip the hollow boss 1 which is driven from a spring barrel, of which 3 is the central winding arbor.
Patent GB-775371-A (GB)
Title: An improved method of and means for, coating plastic materials
IPC: B05D7/02
Filed: 1954-07-14
Abstract: 775,371. Ornamenting. BROCK, H. W. July 14, 1954 [July 20, 1953], No. 20511/54. Class 93. Heated plastic material is extruded, and, while still hot, a coating of powdered material is applied thereto, e.g. by spraying, blowing or brushing or by rollers. The plastic material, such as polyvinyl chloride, polyethylene, styrene co-polymer, rubber or artificial rubber, may be extruded in thin sheet or tubular form The powdered material may be metal dust, fine textile fibres, wood dust, powdered plastics, paper pulp, or the like. As shown, .plastic from an extrusion nozzle 4 passes, while still in a fluid state, between two opposing nozzles 6 and 7, mounted close together which emit blasts of hot compressed air supplied through conduits 9 and 10, respectively, by an inlet pipe 8, and powdered coating material, delivered from a hopper 13 to a mixing chamber 12 formed in the conduit 10, is carried by the air current through the nozzle 7 and impinges on one side of the plastic. Excess powder which does not adhere to the plastic film is withdrawn through an exhaust chamber 14 by a pump 15. Movement of the plastic away from the nozzle 7 is prevented by the hot air jet from the nozzle 6, which may be adapted to supply coating, not necessarily of the same material, to the other side of the film. The powder material may be sprayed or blown through a stencil printing frame to provide a pattern, or it may be applied by a series of fixed or moving jets. It may be applied along the edges of sheet material so that these may be fastened together by means of an adhesive.
Patent GB-965522-A (GB)
Title: Improvements in toggle presses
Inventor: CARRIE JOHN
IPC: F16P3/04
Filed: 1963-05-23
Abstract: 965,522. Machinery guards. JAMES HOLT (ENGINEERS) Ltd. May 23, 1963, No. 20531/63. Heading F2J. In an hydraulically or pneumatically operated toggle press, lowering of a guard G into a position protecting the work-table a causes a valve C to be opened to admit hydraulic fluid or compressed air to a cylinder D to operate the press, and moves a lever b<SP>2</SP> away from a position in which it prevents inadvertent motion of the toggle links d, d<SP>1</SP>. The toggle link d, which is adjustable in length, is pivoted to a tool-carrying head A movable on vertical slides B. The guard G, having an operating handle g, moves on parallel levers g<SP>1</SP>, g<SP>2</SP> which are rigid with rods b, b<SP>3</SP> pivotally supported in the press frame B<SP>1</SP>. Rod b carries a lever b<SP>1</SP> which depresses an operating plunger C<SP>2</SP> of the valve C when the guard is lowered. Rod b<SP>3</SP> carries a lever b<SP>4</SP> which, when the guard is lowered, contacts the end of the lever b<SP>2</SP> to pivot it, so that the other end of lever b<SP>2</SP> is moved clear of the pivot joint d<SP>2</SP> of the toggle links. The lever g<SP>2</SP> carries a counter-balance weight g<SP>3</SP>. The stroke of the ram in cylinder D can be adjusted by means of an adjustable end wall, in the righthand end (Fig. 2) of the cylinder, controlled by a screw mechanism (not shown).
Patent GB-198592-A (GB)
Title: Improvements in telescopic attachments for hand cameras, and the like
IPC: G02B13/02
Filed: 1922-07-27
Abstract: 198,592. Warmisham, A., and Kapella, Ltd. July 27, 1922. Lenses. - A magnifying or reducing telescopic attachment for photographic lenses has the corrections for the whole combination of attachment and lens effected by balancing the outstanding aberrations in the photographic lens against the opposite aberrations in the attachment. The attachment may comprise two simple lenses or a single cemented doublet. Numerical data are given in the Specification, and Specification 24720/99, [Class 98, Photography], is referred to.
Patent GB-865712-A (GB)
Title: Improvements in or relating to a process and apparatus for the electrolytic production of metallic titanium
IPC: C22B34/12
Filed: 1957-06-28
Abstract: <PICT:0865712/III/1> A process comprising the production of titanium tetrachloride is carried out by electrolysing a fused mixture containing magnesium chloride using an anode comprising a bonded mixture of a carbonaceous substance and a titanium compound reactive with chlorine in the presence of carbonaceous material to form titanium tetrachloride.  As shown, an electrolysis vessel 1, made of heat-resisting material such as iron, contains a fused mixture of magnesium chloride and sodium chloride.  Cathodes 2 consist of iron comb electrodes.  Anode 3 consists of a solid cylinder comprising a baked mixture of a titanium compound (such as titanium dioxide or hydroxide) and carbonaceous material (such as tar, pitch, pitch oil, graphite, coke powder or charcoal powder. An inverted cup-shaped gas collector 4 made of insulating material (e.g. bisque) surrounds the anode at the lower part thereof and is provided with discharge piping 6.  Upon electrolysis, metallic magnesium separates at cathodes 7 and floats upon the surface of the bath; chlorine gas is liberated at the anode 3 and reacts directly with the titanium compound and carbonaceous material comprised in the anode to form titanium tetrachloride, in the gaseous state, which rises to the bath surface and is collected in inner space 5 of the collector 4, whence it passes through piping 6 and condenser 7 to receiver 8.  The gaseous titanium tetrachloride comprises a proportion of carbon monoxide. The titanium tetrachloride is condensed to liquid form in condenser 7 and collects in this form in receiver 8.  The carbon monoxide is not thus condensed and passes from receiver 8 in gaseous form through pipe 12.  The titanium tetrachloride passes from receiver 8 through valve 10 and piping 9, wherein it is heated by heater 11 whereby it is converted to the gaseous state, and thus arrives at the bath where the gas rises to the surface and there reacts with the floating metallic magnesium to form metallic titanium sponge and magnesium chloride.  In a simpler form of apparatus, the gaseous titanium tetrachloride formed at the anode is allowed to rise to the bath surface and react directly with the floating metallic magnesium. Reference has been directed by the Comptroller to Specification 745,051.
Patent GB-275654-A (GB)
Title: Improvements in burners for gas firing
IPC: F23D14/00
Filed: 1927-08-05
Abstract: 275,654. Eickworth, R. Aug. 6, 1926, (Convention date]. Atmospheric gas burners; gas burners, annular. - Air is supplied through a pipe 6, Fig. 1, to the burner mouth by a fan 4 which is rotated by gas jets from an annular chamber 1 impinging on its peripberal blades 5. The gas passes to the burner mouth through an annular passage 7 formed by a pipe 11 surrounding the pipe 6. The pipe 6 may be formed with apertures 8 to allow a preliminary mixing of the gas and air to take place. The air supply may be regulated by adjusting a baffle 9. The pipe 11 may be extended beyond the pipe 6 so that its outer end serves as a mixing chamber. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a modified construction in which a hollow body 13, Fig. 4 (Cancelled), deflects the air towards the gas passage and protects the fan from the heat radiated by the burner. Cooling water may be passed through the hollow body 13 and an annular chamber 16 surrounding the discharge aperture. This subject-matter does not appear in the Specification as accepted.
Patent GB-598702-A (GB)
Title: Improvements in or relating to phase-varying networks
IPC: G01S1/02
Filed: 1943-03-30
Abstract: 598,702. Phase-changing. COCKCROFT, J. D., POLLARD, P. E., NEWSAM, B., BRITISH THOMSON-HOUSTON CO., Ltd., and LUCAS, G. S. C. March 30, 1943, No. 20787/46. Divided out of 598,649, [Group XL]. [Class 38 (ii)] The subject-matter of the Provisional Specification is identical with part of that of Specification 598,649 which describes a radiolocation system, but the Complete Specification and claims are directed solely to the phase-varying networks employed to control the fine range time base which is employed to provide an accurate measure of a time interval. Valve 169 is cut off by a negative pulse at the commencement of the time interval to be measured, with the result that a lightly damped train of oscillations at 82 kc/s. is produced in circuit 173, 171. Branches 174, 175 and 176, 177 feed voltages in quadrature to the phase-splitting valves 180, 181 which thus feed voltages phased respectively at 0, 90, 180 and 270 degrees to the terminals 182, 185, 183 and 184 of the potentiometer network 34. Padding resistances 199-202 interconnect the inner and outer loops of the network at the uniformly spaced points 182-185, while direct connections exist at the intermediate points 211-214. These connections ensure a uniform phase distribution along the circular resistance 34 and the sinusoidal output from the wiper arm 186 is fed to a push-pull amplifier 187, 188. Specification 582,325, [Group XL], also is referred to.
Patent GB-187360-A (GB)
Title: Improvements relating to the power transmission mechanisms of electrically driven vehicles
IPC: B61C9/38
Filed: 1921-08-05
Abstract: 187,360. Moore, W. E. Aug. 5, 1921. Transmission gear of invariable ratio.- In an electrically-driven vehicle, parallel shafts 11, 20 are connected by a pair of single-helical gear wheels 16, 21, the angle of the tooth helix of which does not exceed 16‹. Suitable thrust-bearings 9, 15 and 19, 23 are provided.
Patent GB-904253-A (GB)
Title: Improvements in or relating to mattresses, cushions and the like
IPC: A47C27/16
Filed: 1960-06-15
Abstract: 904,253. Mattresses. GOLD, M. June 15, 1961 [June 15, 1960], No. 20977/60. Class 52 (4). A mattress or cushion 1 has a central rigid board 2 of metal, wood or hardboard, intermediate layers 3 of rubberized hair or other permeable material and outer layers 4 of sponge rubber or foamed plastic having an inner surface 6 presenting pinnacles 7 and an outer smooth surface 5, at least some of the layers being bonded together and the assembly contained in a textile envelope 8 having ventilating openings 9.
Patent GB-333703-A (GB)
Title: Improved gear for operating sun blinds or awnings and like purposes
IPC: A47H5/06
Filed: 1929-07-09
Abstract: 333,703. Page, A. C. July 9, 1929. Roller blinds.-A sunblind awning or roller shutter is provided with a spring attached to the roller, to counterbalance the weight of the blind when being lowered and to assist in raising the blind, a sprocket wheel being fixed to the roller and connected by chain gearing to another sprocket wheel constituting the driving wheel, means being provided to prevent the blind when being operated from moving in the reverse direction. In the construction shown a roller A, for a sunblind or awning, is provided with a counterbalancing spring a<1> and a sprocket wheel B connected by chain gearing b<1>, a<4> to a driving wheel D, which is prevented from moving in the reverse direction when being rotated to raise or lower the blind by a double pivoted pawl f<1> which can be moved to engage either of two sets of teeth e<1>, e<2>, cut in reverse directions, of a ratchet wheel secured to the shaft of the driving wheel D. Means, such as a spring pressed catch engaging a, projection on the pawl, may be provided to prevent the pawl remaining in a neutral position. In a modification, a driving wheel D is rotated through bevel gearing, the ratchet wheel being fixed on a shaft, rotated by hand or power, carrying a bevel wheel engaging a bevel wheel on the shaft of the driving wheel D. The chains may be enclosed in steel tubing T.
Patent GB-316136-A (GB)
Title: Manufacture of crystalline phosphates
IPC: C01B25/40
Filed: 1929-07-09
Abstract: 316,136. Victor Chemical Works, (Assignees of Lindberg, N., and McDonald, G. A.). July 23, 1928, [Convention date]. Ammonium phosphate.-Ammonium or sodium phosphate crystals are freed from iron and aluminium impurities by washing them with a liquid such as a saturated solution of the phosphate. In preparing ammonium phosphate, ammonia from a still 10 is passed into a saturator 12 containing phosphoric acid. The phosphate solution is passed by a pipe 14 through a crystallizer 15 which may consist of a water-jacketed cylindrical vessel with an internal helical conveyer. The magma is discharged into a vessel 17 having a sloping base 18 and a rake 19 operated so as to move the crystals upwards over the base and discharge them through a hopper 29 into a vessel 30. The mother liquor passes by a pipe 21 into vessels 22 through which air is passed from pipes 23 to oxidize ferrous to ferric compounds. The liquor is forced by a pump 25 through a filter press 26 and passes into a vessel 27 from which it is allowed to flow through a pipe 28 down the sloping base 18. A part of the mother liquor is passed by a pump 35 into the acid tank 12 to dilute the phosphoric acid, and the amount is adjusted so that the heat of reaction in the acid tank is sufficient to evaporate the quantiy of water introduced by the phosphoric acid.