baber/WOPTO huggingface dataset:
Patent GB-306711-A (GB)
Title: Improvements relating to grinding and polishing machines
IPC: B24B5/18
Filed: 1928-02-25
Abstract: 306,711. Hughes, V. A. B., (Cincinnati Grinders, Inc.). Feb. 25. 1928. Centreless grinding; wheels; guides and rests. -Machines for polishing cylindrical work, comprise a regulating wheel rotating at low speed, and having an operative surface of a substantially non-yielding nature, a relatively soft operating wheel rotating at a high speed and having an operative surface of a yielding nature, and integral work support. The bed 20 of the machine is provided with guides 21, 22 for slides 23, 24, which are adjusted to and from each other by hand wheels and screws 42, 44 and carry bearings for the regulating wheel 34 and operating wheel 28 respectively. The former is composed of an annular ring of fibrous material compressed to present a hard surface to the work and the latter is also composed of fibrous material such as canvas but built up in flat layers so as to present a soft surface to the work and have a polishing action only. The work is supported by a blade 35 and guides 38, 39, all being lined by a soft material such as leather so as not to injure the work. The leather may be attached to the blade and guides by glue. The axis of the regulating wheel 34 is inclined to the horizontal at an angle of about 6‹ to feed the work axially whilst rotating it. and the rate of feed may be increased by inclining the support 35 through its adjustable end connections 36, 37. The regulating wheel engages the work tangentially, making a line contact therewith but the operating wheel engages the work over a considerable surface. The diameter of the work is not reduced appreciably during its passage through the machine but foreign materials which are in the nature of a minute film produced by oxidation are removed.
Patent GB-368962-A (GB)
Title: Improvements in and relating to tiles
IPC: E04D1/16
Filed: 1931-02-26
Abstract: 368,962. Tiles for walls and roofs. SIBLEY, T., Westover House, Crewkerne, Somerset. Feb. 26, 1931, No. 6041. [Classes 20 (iv) and 87 (i).] In a tile of the kind having a hanging-rib on its undersurface to engage a wooden lath, and a tail to engage the lath next above, the rib 5 projects downwards to engage the upwardly bevelled lath 3, and the tail and body of the tile are formed in the same plane. In the form shown in the Figure, the lower edges 7 of the laths are cut away to receive the tails of the tiles. In a modification, the tails of the tiles are recessed to fit against the laths.
Patent GB-667291-A (GB)
Title: Manufacture of novel polymeric products containing rubber
IPC: C08F36/04
Filed: 1949-03-05
Abstract: Polymeric products containing rubber in partly combined form are obtained by copolymerizing in aqueous media containing rubber dispersed therein, styrene or an alkyl or halogen nuclear substitution derivative thereof and at least an equal amount of a hydrocarbon having conjugated double bonds or a halogen substitution derivative thereof.  Suitable mixtures comprise 5 to 50 per cent by weight of rubber with the ratio of styrene or derivative to the compound containing conjugated double bonds varying from 1 : 9 to 2 : 3.  Examples of styrene derivatives are nuclear substituted methyl-, monochloro- and dichlorostyrenes. Butadiene, isoprene, dimethyl butadiene and chloroprene are specified conjugated compounds. Natural rubber latex is preferred but may be replaced by a gutta percha or balata latex, by an artificial dispersion of raw or reclaimed rubber or by a dispersion of synthetic rubber comprising a polymer or copolymer of a conjugated diene.  Polymerization is preferably effected in a redox system, specified catalysts being ammonium and alkali metal persulphates and perborates, hydrogen peroxide, benzoyl peroxide, cumene hydroperoxide, tert.-butyl hydroperoxide and cyclohexanone hydroperoxide.  Suitable reducing agents for persulphates or perborates are water-soluble salts of oxyacids of sulphur, e.g. sodium sulphite, hydrosulphite or thiosulphate; for hydrogen peroxide and organic hydroperoxides, sugars, e.g. dextrose, preferably with a salt of an oxyacid of sulphur and, as a promoter, a salt of a metal of varying valency, e.g. ferrous sulphate or pyrophosphate or copper sulphate. Emulsifying agents such as sodium oleate and salts of long chain alkyl sulphonic acids and of sulphonated or sulphated aliphatic long chain alcohols are generally used and surface tension regulators, e.g. aliphatic alcohols of 5 to 8 carbon atoms, may be added.  The mixture is agitated and kept at a temperature of between 10 DEG  and 60 DEG  C. depending on the catalyst.  The rubber may be added stepwise.  The resulting latex may be creamed, coagulated and milled, preferably with a stabilizer, e.g. b -phenyl naphthylamine, and can be compounded with sulphur, carbon black, mercaptobenzothiazole, diphenyl guanidine and stearic acid and moulded or vulcanized to produce articles such as shoe soles, tiles and sheets. Alternatively, the latex, with or without the admixture of a natural or synthetic rubber latex, may be compounded and used for textile impregnation or the manufacture of dipped goods or sponge. Specification 652,401 is referred to.
Patent GB-270849-A (GB)
Title: Improved land or road roller
IPC: A01B29/00
Filed: 1926-03-05
Abstract: 270,849. Angus, A. L. March 5, 1926. Rollers, land and road.-A power-driven land or road roller comprises a main roller 1 mounted below and parallel to an elongated platform 4 and a front steering roller 13 mounted on a bar 15 pivotally carried by a member 14 extending at right angles from the platform 4. Mounted on the platform 4 directly above the roller 1 are a petrol engine 5, driver's seat 17, gear-box 7, and transmission shaft 8. The main roller 1 is driven by chain 11 and sprocket wheels from the shaft 8. Steering is effected from the driver's seat by a hand-wheel 18 and chain 21. In a modification, the petrol engine is replaced by an electric motor and battery of accumulators, additional brakes are provided, and the front roller is replaced by a pair of steering wheels.
Patent GB-491561-A (GB)
Title: Apparatus for applying a surface finish to bricks
IPC: B28B11/04
Filed: 1937-03-02
Abstract: Apparatus for applying a surface finish to raw bricks comprises means for feeding the bricks in a continuous closely-packed series through a hopper or like container for surfacing material in the form of a slurry or paste, apparatus within the hopper or container for pressing the surfacing material on to one or more faces of the bricks, and mechanism past which the bricks are fed after leaving the hopper <PICT:0491561/III/1> <PICT:0491561/III/2> <PICT:0491561/III/3> and which acts mechanically on the surfacing material applied thereto to impart a desired finish to this surfacing material.  A suitable surfacing slurry may comprise clay and water, with or without sand and colouring matter.  The apparatus shown comprises an endless conveyer B carrying closely packed raw bricks D, guided by members A3, through a hopper C containing the surfacing material.  A driven shaft E carries vanes E1, E2, E3 which cause the surfacing material to impinge upon the two sides and the upper face of the series of bricks.  Supports G, G1 carry shafts H, J, on which are mounted plates H1, J3, the edges of which are held, by springs H3 or weights J2, against the bricks so as to impart a surface finish to the applied surfacing material.  The bricks are discharged, over rollers on a frame A6, to a conveyer F moving more quickly than the conveyer B, so that they are separated from each other.
Patent GB-1594282-A (GB)
Title: Process for the manufacture of mefloquine
IPC: B01J23/00
Filed: 1978-02-16
Abstract: Process for preparing erythro- alpha -2-piperidyl-2,8-bis-(trifluoromethyl)-4-quinolinemethanol, characterised in that 2,8-bis-(trifluoromethyl)-4-bromoquinoline is reacted with n-butyllithium, the resulting 2,8-bis-(trifluoromethyl)-4-quinolyllithium is reacted with pyridine-2-aldehyde, and the resulting  alpha -2-pyridyl-2,8-bis-(trifluoromethyl)-4-quinolinemethanol is hydrogenated with 3 molar equivalents of hydrogen.
Patent GB-980099-A (GB)
Title: Impact clutch
IPC: B25B21/02
Filed: 1962-11-19
Abstract: 980,099. Impact clutches; shaft couplings. CHICAGO PNEUMATIC TOOL CO. Nov. 19, 1962 [Dec. 19, 1961], No. 6247/64. Divided out of 980,098. Drawings to Specification. Headings F2C and F2U. [Also in Division B3] The subject matter of the Specification is identical with that of Specification 980,098 but the claims are directed to an impact clutch in which a dog sliding in the hammer meets the anvil, the dog being moved axially by a helical surfaced cam engaged by a driving steel ball.
Patent GB-987176-A (GB)
Title: Method and apparatus for reducing particle size
Inventor: COHN MORRIS IRVIN
IPC: B02C19/06
Filed: 1962-02-19
Abstract: 987,176. Jet pulverizers. MINERAL INDUSTRIES CORPORATION OF AMERICA. Feb. 19, 1962, No. 6281/62. Heading B2A. Apparatus for reducing the size of particles, e.g. of mica and other minerals, comprises a valve seat 28 through which a liquid slurry of the particles from a feed tank 4 is forced to flow by means of a pump 10 and a spring- pressed valve 30 having a cavity 35 in which is formed, during the operation of the apparatus, a bed 35a of the particles, the faces 31, 32 of the valve and valve seat forming therebetween a restricted opening 38 through which the slurry is forced to flow at increased velocity to strike against an impact ring 40. The valve is either stationary or fixed in a recess in the end of a rotatable shaft 36. The valve seat is either stationary or fixed to and rotated with a hollow shaft 24. The shafts 24, 36 are rotated in opposite directions. The ring 40 is secured to and rotated with shaft 36; the ring may, however, be stationary, be rotated with the valve seat or be rotated independently of the valve and valve seat. The valve, valve seat and impact ring are preferably made of tungsten carbide. The slurry is agitated by means of a blade 96 secured to the shaft 36 and extending through the valve and valve seat; the blade may, however, be rotated independently of the valve, be stationary if the valve or valve seat is rotated or it may be dispensed with. The rotational movement imparted to the valve and/or valve seat and/or impact rings may be reciprocatory. After striking the ring 4U, the particles flow through a passage 41 and through openings 99, 100 into a low pressure fluid chamber 43 from which it flows through an outlet 44 to another pump and valve assembly or to a screen or other classifier where the coarse particles are separated and, if desired, recycled back to the feed tank 4. The sufficiently-reduced particles flow from the screen or classifier to a centrifuge or thickener where excess water is removed. The centrifuged particles are then dried and deagglomerated. U.S.A. Specification 3,162,379 is referred to.
Patent GB-782672-A (GB)
Title: Improvements in or relating to electrolytic capacitors
Inventor: ROBINSON FREDERICK CHETHAM
IPC: H01G9/12
Filed: 1954-03-03
Abstract: 782,672. Electrolytic capacitors. HUNT (CAPACITORS), Ltd., A. H. March 1, 1955 [March 3, 1954], No. 6289/54. Class 37. In an electrolytic capacitor comprising an active capacitor element housed within a metal casing, the active capacitor element is surrounded with a sleeve or bag of flexible insulating material which contains the electrolyte. The capacitor element 11 is housed within the aluminium casing 12 but is separated therefrom by a rubber bag 16, the open end of which is gripped between the spun-over end of the casing 12 and the insulating closure disc 13 upon which terminals 14, 15 are mounted and which is seated against an inwardly-directed ridge 19. The casing is provided with an aperture 21 through which the rubber bag 16 can protrude in the event of excessive pressures being built up within the capacitor. In the event of the internal pressure becoming very large the bag 16 bursts, thus obviating any risk of the metal casing itself exploding. Fig. 2 (not shown) shows an alternative construction in which the capacitor is double-ended, i.e. one terminal is provided at each end of the capacitor. It is stated that the flexible bag or sleeve may alternatively be made of synthetic rubber polyvinyl chloride or polythene.
Patent GB-289212-A (GB)
Title: Improvements in or relating to barometric devices
IPC: G01L7/18
Filed: 1927-03-07
Abstract: 289,212. Barnes, J. W. March 7, 1927. Barometers. - A portable instrument which can be emptied of mercury, filled, and adjusted, comprises an inverted U-tube having its limbs one 1 of which serves as the main barometer tube and the other 5 of which is a small bore tube, dipping at different levels the first into a main container 2 and the second into a subsidiary container 6, and a scale 12 which can be adjusted to the mercury level in the main container. The container 2 is of glass surrounded by a metal container having two inspection windows and is provided with an iron cover 7 in which is formed the filling well 9 and the container 6, and which is provided with a nipple 20 for connection to a source of pressure, vacuum, or to the atmosphere. To fill the U-tube, mercury is forced from the container 2 up the main tube by air pressure until the whole of the U-tube and the container 6 are filled. The air pressure is then released and the mercury falls to approximately thirty inches in the main limb and to a higher level in the small bore limb. The chamber 2 is then exhausted to draw the mercury in the limb 1 down to the bottom of the scale in order that small air bubbles clinging to the main tube may collect above the mercury. The pressure is again admitted and this air forced out, the pressure being afterwards released. The scale 12 is mounted on a guided iron rod 13 which may be adjusted by a knurled nut 15. The rod is pointed at the lower end and can be adjusted just to touch the mercury. The scale may be marked in inches or equivalent altitudes measured from the bottom of the rod plus the distance between an engraved line 17 and the bottom edge of a cursor 19 the rod being adjusted to touch the mercury before a reading is taken. Alternatively the scale may be contracted to a fraction of the true scale depending on the area of the container and tube in which case the rod must be adjusted to some standard pressure after each filling.
Patent GB-1398836-A (GB)
Title: Apparatus for cutting and exhausting waste strips from edges of documents
IPC: B65G53/14
Filed: 1974-02-12
Abstract: 1398836 Cutting apparatus WESTING- HOUSE LEARNING CORP 12 Feb 1974 [16 Feb 1973] 06331/74 Heading B4B An apparatus for cutting and disposing of waste strips cut from the edges of books comprises a cutting station 14 and at exhaust system 28 for disposing of the cut strips, the system including an air exhaust tube 30 having an inlet end 32 and discharge end 36, and an injector means 38 for injecting air under pressure into the tube to create a vacuum upstream from the inlet end. The cutting station comprises a pair of co-operating cutting discs 22, 24 between which books are fed by rollers 12, 16 from an input hopper 10. An inclined ramp 34 leads up to the interior of the tube which, together with the suction effect produced by the injector 38, guides the waste strip into the tube. A discharge hopper 26 is provided.
Patent GB-1349639-A (GB)
Title: Device for use in removing from a carrier foil components plugged in parallel rows through said foil
IPC: H01R43/20
Filed: 1973-02-09
Abstract: 1349639 Extracting components from sheet material P MAYER [trading as MAYER & CIE MASCHINENFABRIK] 9 Feb 1973 [30 March 1972] 6362/73 Heading B4C [Also in Division H2] A device for ejecting electrical contact plugs 19 arranged in parallel rows in a sheet of material 15 (as used for plug boards for controlling knitting machines) comprises a bearing part 10 for supporting the sheet and having apertures 18, and a pressure plate 11 having ejectors 23, 24 for pushing the plugs out of the sheet and through the apertures in the bearing part when the pressure plate is brought towards the bearing part as by a handle 13. When the pattern of plugs is to be changed, the sheet 15 is removed from the plug board of the machine and advanced over a guide surface 16 until the leading plugs 19 butt against a stop 25, the heads 193 of the plugs being aligned in the apertures 18 which are formed by spaced-apart bearing webs 17. To eject the plugs in the range of action of the pressure plate, the handle 13 is lowered to cause spring-loaded ejector strips 23 to engage the plug shanks 191 and then rigid ejector strips 24 to engage the plug nose portions 192. The ejected plugs fall down an incline 20 into a container 21 for collection.
Patent GB-416008-A (GB)
Title: Improvements in or relating to cartons and similar receptacles
IPC: B65D3/20
Filed: 1933-03-02
Abstract: 416,008. Cartons &c. NIELSEN, H. A., Aarhus, Denmark. March 2, 1933, No. 6369. [Classes 18 and 94 (ii).] In a carton or similar receptacle in which an end portion is pleated and folded in to form an end wall, opposing folds, such as b<1>, b<2>, Figs. 3 and 4, measured across the common abutting centre f, are made slightly longer than the distance y across the centre between the corresponding edges b<3>, b<4> of the carton so that the abutting folds form a slightly conical or pyramidal wall which, when pushed inwards beyond its flat state, resists any opening of the end wall of the carton ; the end may be glued or paraffined. The pleats h instead of running diagonally across the end of the carton as shown may be arranged to diverge from the diagonals and the pleats instead of being folded down may be left standing up to form ribs which, after the end wall has been pushed in, may be arranged to be flush with the outer edges of the carton. The cross section of the carton may be polygonal or circular and may be of tapered form and the pleats may be of different lengths. The end of the carton may be formed in the device shown in Fig. 10 in which the flaps m, for forming the pleats, are hinged on rightangled bends l<1> of members l mounted in vertical sockets k on a frame i surrounding the carton. Springs n tend to maintain the bends l<1> tangential to the frame and by moving down the flaps m by the handles o the pleats are formed and subsequently folded down by moving the turned-down flaps in the sockets k.
Patent GB-705229-A (GB)
Title: Improvements in or relating to television apparatus
IPC: H04N7/01
Filed: 1952-03-12
Abstract: 705,229. Cathode-ray tubes. PHILIPS ELECTRICAL INDUSTRIES, Ltd. March 12, 1952 [March 15, 1951], No. 6417/52. Drawings to Specification. Class 39(1) [Also in Group XL(b)] In a television system received television signals are applied to a cathode-ray tube having a fluorescent screen which is irradiated with infra-red radiation during the frame fly-back time, the screen composition being such that the applied signals produce, in addition to the normal visible image, a latent image which is made visible by the application of the infra-red radiation thereto. The fluorescent screen comprises in the example given strontium sulphide to which small quantities of samarium and cerium have been added. The invention may be used for recording received television images on kinema film by photography of the restored latent images during the fly-back intervals or for re-transmitting the received picture information with a different number of scanning lines by focusing the restored latent image on to the photo-cathode of a suitably operated image iconoscope. A shutter obscures the cathode-ray tube screen except during the fiy-back intervals.
Patent GB-103406-A (GB)
Title: An Improved Collar Stud.
Inventor: HOLLANDS ALBERT VICTOR
IPC: A44B3/00
Filed: 1916-05-05
Abstract: 103,406. Hollands, A. V. May 5, 1916. Studs.-The head of the stud is collapsible and comprises a silk-covered india-rubber ball f enclosed within a number of semicircular rings a, which spring from a collar c working on the stem d of the stud and have a common apex b. A spiral spring h, attached to the shank e of the stud and bearing against the base of the springs, serves to maintain the head in the normal position. The head is provided with a stop i for the collar c and may be screwed on to the end of the stem d.
Patent GB-219258-A (GB)
Title: Improvements in presses for wearing apparel such as neck-ties, trousers and the like
IPC: A47G25/72
Filed: 1924-03-14
Abstract: 219,258. Livsey, H. March 14, 1924. Presses. - The boards a, b of a tie or trouser press are pressed together by means of an expanding hinge strap C and a lever h. The strap C, which is rendered elastic by the insertion of springs e, or of rubber, is secured by one end to the upper board at D and passes through a recess in the lower board, its free end being looped about the cross-bar K of the lever h. The latter pivots in slots n of a bracket m in order to apply pressure to the boards. In a trouserpress, two similar pressing-devices are provided.
Patent GB-1445548-A (GB)
Title: 1-3-naphth-1-yloxy-2-hydroxypropyl-piperazine derivatives
IPC: C07D295/096
Filed: 1975-02-17
Abstract: 1445548 1 - [Methoxyphenyl] - 4 - [3 - naphthyloxy - 2 - hydroxy - propyl] - piperazines BOEHRINGER MANNHEIM GmbH 17 Feb 1975 [23 Feb 1974] 6569/75 Heading C2C Novel 1-(o, m or p-methoxyphenyl)-4-(3. naphth - 1 - yloxy - 2 - hydroxy - propyl)- piperazines and their salts are prepared by reacting a compound II which R 1  is hydrogen, R 2  is Halogen or R 1  and R 2  represent a bond with 1-(o, m or p-methoxyphenyl)-piperazine. Compounds I have blood-pressure lowering properties and inhibit the anaphylactoid reaction initiated by dextran in rats; they form with a diluent or carrier a pharmaceutical composition which may be administered orally.
Patent GB-474664-A (GB)
Title: Improvements in or relating to wireless aerial systems
IPC: H03H2/00
Filed: 1936-03-04
Abstract: 474,664. Wireless receiving systems. BARBOUR, K. H. March 4, 1936, No. 6593. [Class 40 (v)] An aerial system designed for operation over a plurality of wave-bands comprises a conductor 2 coupled, for long wavelengths, to a feeder 1, 13 through a transformer 7, 8 whilst for another range of wavelengths it is substantially an odd multiple of #/4 and is connected to the feeder through a series resonant circuit 9, 10 which effectively short-circuits the transformer 7, 8. One or more other aerial conductors 3, 4 may be connected directly to the line 13 for operation on other short-wave bands. The line 1, 13 may be connected directly to the receiver terminals A, E, or by switches 15, 16 through alternative matching transformers 17, 18. The transformer 7, 8 and filter 9, 10 may be housed within an insulator 6 supporting adjacent ends of the conductors 2, 3. Specification 444,494 is referred to.
Patent GB-384147-A (GB)
Title: Improvements in water cooled condensing systems
IPC: F28B9/08
Filed: 1932-03-04
Abstract: 384,147. Surface condensers. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.- (Ingersoll-Rand Co. ; 15, Exchange Place, Jersey City, New Jersey, U.S.A.) March 4, 1932, No. 6622. [Class 64 (iii).] In a water-cooled condenser A having a number of compartments F and condensate removal pumps S, g, means are provided for connecting each pump with a common outlet of each compartment. Vapour to be condensed flows over the cooling tubes E of the condenser and condensate which collects in the hot wells L of each compartment flows to the pump S through branch conduits Q. The latter are provided with valves T which may be adjusted so that the condensate byepasses the conduits Q and flows through pipes e to the condensate removal pump g. The valve spindle b cooperates with seatings W, X so as to open or close ports Y, Z respectively. If salt water be used as the condensing fluid, any leakage of the liquid into the pure condensate may be detected by salinometer h.