baber/WOPTO huggingface dataset:
Patent GB-1385272-A (GB)
Title: Osmotic pressure activated active agent dispenser
IPC: A61D7/00
Filed: 1972-01-12
Abstract: 1385272 Osmotic-pressure-activated dispenser ALZA CORP 12 Jan 1972 [13 Jan 1971 (2)] 1553/72 Heading B1X [Also in Divisions A5 and F1] Material to be dispensed is contained in an impervious bag having outlet means, the bag being subjected either directly or indirectly to pressure generated by infiltration of water into a solution exhibiting an osmotic pressure gradient against water. In the embodiment shown in Fig. 1 the bag 14 is enclosed with a further bag 16 permeable to water and containing the solution, in an outer perforated housing 12. In other embodiments the material bag is in the solution which is contained in an outer housing which is either permeable to water or has a membrane permeable to water, the housing being perforated to allow water to have access to the membrane (Figs. 3-8 not shown). An embodiment (Fig. 9 not shown) is described which is manufactured from a plastics tube. Suitable materials for the container components are mentioned and also suitable salts for the solution. Devices according to the invention in which the impervious bag is filled with a drug may be implanted in a living body and are operated by body fluid entering the osmotic solution e.g. an intravaginal device (Fig. 2 not shown), device administered via the gastrointestinal track, device retained in the rumen of an animal, bolus, I.O.D., vaginal ring, uterine capsule, artificial gland, pusthesis, pissary, suppository and the like. The device may be finally soluble. Other uses are discharging pesticides into water and a catalyst into an aqueous reaction medium. An integral water supply container may be provided.
Patent GB-1383262-A (GB)
Title: Process for the manufacture of waxy reaction products of oxidized  polyethylenes
IPC: C08F8/44
Filed: 1973-01-11
Abstract: 1383262 Reacting oxidized polyethylenes HOECHST AG 11 Jan 1973 [15 Jan 1972] 1561/73 Heading C3P Waxy reaction products are prepared from oxidized polyethylenes having a dicarboxylic acid content of 20 to 90 weight per cent by (a) partially or completely esterifying the oxidized polyethylene in the melt at 100‹ to 160‹ C. with an aliphatic alcohol having 2 to 32 carbon atoms, or (b) reacting the molten oxidized polyethylene at 100‹ to 160‹ C. with a salt or hydroxide of a mono-, bi- or trivalent metal, or (c) partially esterifying the molten oxidized polyethylene with a C 2-32  aliphatic alcohol and then reacting the product obtained with a salt or hydroxide of a mono-, bi- or trivalent metal. Specified alcohols are ethylene glycol, propanediol, butanediol, diethylene glycol, trimethylol propane, pentaerythritol, ethanol, stearyl alcohol and montanol. Specified metal compounds are hydroxides, carbonates, acetates, stearates and montanates of lithium, sodium, potassium, magnesium, calcium and aluminium. The products may be used in making polishes and as processing aids in plastics materials. In examples oxidized polyethylenes are reacted with (1) ethylene glycol and sodium hydroxide, (2) calcium hydroxide and (3) butanediol and calcium hydroxide.
Patent GB-1465972-A (GB)
Title: Manufacture of phthalocyanine pigment compositions
IPC: C09B67/22
Filed: 1974-01-14
Abstract: 1465972 Phthalocyanine pigment compositions IMPERIAL CHEMICAL INDUSTRIES Ltd 7 Jan 1975 [14 Jan 1974] 01617/74 Heading C4P A process for the manufacture of phthalocyanine pigment compositions comprises milling an aqueous suspension of a phthalocyanine pigment and a phthalocyanine sulphonamide containing basic groups in the presence of an acid and a particulate grinding aid, and removing the grinding aid. The phthalocyanine pigment may be a copper halogenophthalocyanine containing from 1 to 4 Cl per molecule. The aqueous suspension may contain from 5 to 30% by weight of pigment. The pigment compositions may be used in paints, lacquers, enamels, printing inks and plastic materials.
Patent GB-409848-A (GB)
Title: Improvements in or relating to weft feeler mechanism for looms
IPC: D03D51/34
Filed: 1933-12-05
Abstract: 409,848. Weft - feeler arrangements for looms. NELSON, J., Valley Mills, Nelson, Lancashire. Dec. 5, 1933, No. 1625. [Class 142 (iii).] The head C of a weft - feeler for stopping the loom or for weft replenishment purposes is mounted to revolve freely on a spindle B in the shank A. The head may be made of vulcanized fibre when applied to mechanical motions, but is made of metal in devices wherein the feeler makes electrical contact with a metal sleeve on the bobbin D when the weft E is exhausted. The head may be plain, or serrated as shown. The invention may be applied to any feeler mechanism which depends on the contact or non-contact of the bunch of weft on the bobbin.
Patent GB-1123483-A (GB)
Title: Organic zinc compounds
IPC: C07C31/28
Filed: 1966-01-13
Abstract: Carbonyl compounds may be polymerized in the presence of a catlyst of the formula RZnXYY1; wherein R is alkyl, substituted alkyl, aryl, substituted aryl, cycloalkyl or aralkyl, the longest chain in the radical having not more than 12 carbon atoms; X is trivalent nitrogen, phosphorus or arsenic; Y and Y1, which may be the same or different are alkyl, substituted alkyl, aryl, substituted aryl, cycloalkyl or groups containing carbonyl or thiocarbonyl radicals. In specified examples polyformaldehyde is prepared from formaldehyde using ethylzinc diphenylphosphine, or butylzinc diphenylamine as catalyst; and polyacetaldehyde is prepared from acetaldehyde using ethylzinc diphenylamine, N-ethylzinc acetanilde or phenylzinc diphenylphosphine as catalyst.ALSO:The invention comprises organo-zinc compounds of formula RZnXYY1; wherein R is alkyl, substituted alkyl, aryl, substituted aryl, cycloalkyl, or aralkyl, the longest carbon chain in the radical not having more than 12 carbon atoms and the radical being attached directly to the zinc atom through a carbon atom; X is trivalent nitrogen, phosphorus or arsenic; Y and Y1, which may be the same or different, are alkyl, substituted alkyl, aryl, substituted aryl, cycloalkyl or groups containing carbonyl or thiocarbonyl radicals.  These compounds are prepared by reacting R2Zn with a compound HXYY1 preferably in equimolar amounts. When X is nitrogen, Y and/or Y1 may contain a >C=O or >C=S group with one bond attached to this nitrogen atom and the other to a nitrogen or phosphorus atom.  This latter atom has two further radicals attached to it. Examples of such compounds are EtZnNPhCONPh2 and EtZnNPhCSPPh2.  These compounds may be prepared by reacting a compound of formula RZnNYY1 with an aliphatic or aromatic isocyanate or isothiocyanate.  The compounds of the invention may be used as catalysts in the polymerization of carbonyl compounds and in the trimerization of isocyanates.  In specified examples trimethylisocyanate is prepared from methyl isocyanate using N-ethylzinc-N,N1,N1-triphenylurea or ethylzincdiphenylarsine; triphenylisocyanate is prepared from phenylisocyanate using ethylzincdiphenylphosphine as catalyst.
Patent GB-1085591-A (GB)
Title: Improvements in or relating to paper making stock
IPC: D21F1/02
Filed: 1965-01-14
Abstract: 1,085,591. Headboxes. BELOIT CORPORATION. Jan. 14, 1965 [Jan. 17, 1964], No. 1672/65. Heading D2A. A headbox, which contains two rows 40, 41 of rods to produce vortex turbulence in the stock, has converging walls 11, 12 which cause a gradual increase in the stock velocity in the machine direction, the walls being contoured to define a plurality of alternate areas of increasing and decreasing cross-section so that localized decreases and increases in velocity are imposed upon the general increasing velocity of the stock to produce shear turbulence therein. Wall 1 is suitably contoured by removable inserts 15, 16. A series of tubes 52, each having a non-corrosive lining 53 of synthetic rubber, link stock inlet 50, which extends in the cross-machine direction and is tapered, to the tapered channel 13. The slice comprises parallel walls 11B, 12B and has height adjustment means 17-22 arranged at intervals in the cross-machine direction. Walls 11B, 11C are pivoted at 30 and raisable out of operating position by motor 33. Stock inlet 50 may be of the re-circulation type or of the pressurized air type. Various dimensions of the parts of the headbox are given.
Patent GB-523978-A (GB)
Title: Improvements in and relating to ohmmeters
IPC: G01R27/02
Filed: 1939-01-18
Abstract: 523,978. Resistance and voltage measurements ; combinations of instruments. MACADIE, H. S., FRAENKEL, H., and AUTOMATIC COIL WINDER & ELECTRICAL EQUIPMENT CO., Ltd. Jan. 18, 1939, No. 1741. [Class 37] A direct-reading ohmmeter is provided with a voltmeter by means of which any potential existing across the ends of the resistance to be measured may be detected and also the high testing voltage applied to the resistance may be measured. The ohmmeter shown is described in Specification 523,979. A voltmeter 10, Fig. 1, is connected between the high potential test terminal 11 and the junction 12 of the crossed coils. 13, 14 of the ohmmeter. A press-button switch 15 is so arranged that in the open position the test voltage is disconnected from the terminal 11, so that any voltage existing across the resistance under test is indicated. On depressing the button 15 the voltmeter 10 is connected across the high voltage supplied by the buzzer rectifier 16 in series with a resistance 18. The voltmeter 10 is connected across a bridge-connected rectifier 19 so that it may read on either D.C. or A.C. and is left permanently in circuit when resistance readings are being taken. A high resistance 20, of the order of 5 megohms, is included in the voltmeter circuit to reduce the current so as to avoid appreciable error on any of the intermediate ohmmeter ranges when using the same scale as on the high range. A condenser 21 is shunted across the whole or a part of the resistance 20, the ratio of unshunted to shunted resistance being between 8 and 10 to 1, in order that the voltmeter may read R.M.S. values instead of mean voltage. A common magnet structure may be employed for the ohmmeter and voltmeter as shown in Fig. 2, the ohmmeter movement 30 being arranged at one end of the magnet structure 31 while the voltmeter movement 32 is arranged at the opposite end. The permanent magnet 33 of nickel-aluminium steel or nickel-aluminium-cobalt steel alloy is situated between the movements 30, 32. The voltmeter pointer 34 is directed towards the ohmmeter moving coil 30 and may be located under the ohmmeter scale plate 35 or be visible through a graduated transparent arc 36.
Patent GB-386126-A (GB)
Title: Improvements relating to pressure lubricating devices
IPC: F16N5/00
Filed: 1932-01-21
Abstract: 386,126. Grease-guns. PILLIN, J. B., Church Hill, Beckenham, Kent. Jan. 21, 1932, No. 1879. [Classes 102 (i) and 102 (ii).] A pressure grease-gun of the kind wherein grease is normally supplied under air-pressure is also provided with means whereby a percussive impulse can be imparted directly to the lubricant to overcome resistance. A normal operation of grease under pressure is supplied through the passage 11 past a delivery valve 3 to the nipple 39. Coaxial with the passage 4 leading to the delivery valve is a ram 13 having a head 17 within a sleeve piston 19. This piston is held in its outward position by a spring 24. To provide a percussive impact, air is admitted upon opening the valve 31 to the outer face of the piston 19, and on return of the piston air is exhausted through a valve 33, the valves 31, 33 being under the control of a trigger lever 34.
Patent GB-178207-A (GB)
Title: Improvements relating to splash guards for vehicle wheels
IPC: B60B7/00
Filed: 1921-04-16
Abstract: 178,207. Russell, W. April 16, 1921. Mud-guards rotating with wheels, consist of a ring 6 of flexible material formed with an annular channel 7 facing the wheel and secured to a metal ring 1 bent or curved outwardly away from the wheel. The ring is secured to the spokes by bolts 4, or to the wheel rim by brackets 6 and bolts 9.
Patent GB-251017-A (GB)
Title: Process of treating tubing and apparatus therefor
IPC: B31B19/62
Filed: 1925-01-22
Abstract: 251,017. Marks, E. C. R., (Bates Valve Bag Co.). Jan. 22, 1925. Drawings to Specification. Materials, special, for bags.-Tubing of five plies for making bags is formed by progressively adhering the folded edges of strips of material. Specification 251,016, [Class 99 (ii), Pipes, tubes, &c.], is referred to.
Patent GB-1341982-A (GB)
Title: Mill stand
IPC: B21B31/10
Filed: 1971-01-15
Abstract: 1341982 Rolling mills ACHENBACH BUSCHHUTTEN GmbH 15 Jan 1971 [4 June 1970] 2077/71 Heading B3M An arrangement for removing the work rolls 17 and 18 and their chocks 15 and 16 from a four-high rolling mill includes wheels 28 carried by bolts 21 located in bores in the chocks 16, and jacks 7 and 8 which can move the chokes relative to the chocks 1 and 2 of the backing rolls. The bolts each have shoulders for supporting both an upper and a lower chock. Each jack 7 or 8 is supported on a piston 11 fixed to a respective backing roll chock, and is movable by supplying fluid to one or other side of the piston. The jacks serve to balance the work rolls during normal mill operation. To remove the working rolls, the chocks 1 and 2 are held apart by spacers 44 and the work roll chocks 15 and 16 are raised by means of the jacks. This raises the wheels 28 above the level of rail sections 32, 33, 34 (Fig. 6, in elevation). The rail sections 33 and 32, which extend parallel to the roll axes between the lower backing chocks 2a and 2b, can then be shifted axially until the three sections 32, 33 and 34 provide a continuous rail. With the wheels 28 resting on the rail, the upper chocks 15 are supported by rods 19 which carry the wheels, and the two work roll assemblies can be rolled out of the mill.
Patent GB-802584-A (GB)
Title: Photo-electric polarimeter
IPC: G01J4/04
Filed: 1956-01-23
Abstract: 802,584. Photo-electric polarimeters. ZEISSSTIFTUNG, C., [trading as ZEISS, C. [Firm of]]. Jan. 23, 1956 [Jan. 26, 1955], No. 2115/56. Class 40 (3). [Also in Group XX] A photo-electric polarimeter (Fig. 1) includes a monochromatically-filtered light source 1, a rotatable polarizer 2 producing plane-polarized light of variable azimuth measured on a divided circle 3, the object 4 under examination, a polarizing element 5 to divide the beam into two perpendicularly polarized beams with or without a phase angle, a magneto-optically active substance 6 to produce flicker by changing the azimuths of the planes of polarization, an analyser 7 and a lens 8 to focus the beams together on to the photo-electric cell 9. An alternating magnetic field is produced by coil 10 fed with A.C. from source 14. Polarizer 2 can be rotated by hand or by a phase-dependent motor 15 fed from A.C. source 14 and amplified photocell current. A further development of the apparatus (Fig. 2) has a fixed polarizer 2 with a compensating magneto-optically active substance 11 upon which acts a measurably variable magnetic field produced by D.C. in coil 17 (11 and 17 may alternatively be between the object 4 and the polarizing element 5). Indicator 12 can be calibrated directly in degrees of optical rotation. Automatic compensation occurs in substance 11 if the amplified photo-cell current and the A.C. current inducing the magnetic field in the substance 6 produce via a phasedependent rectifier 16 a D.C. current measured by instrument 12 and supplied to coil 17. This compensation can be made to act very quickly by using high-frequency A.C. in coil 10. Accuracy is further increased (see Fig. 3, not shown) if the constant D.C. from a source is controlled via precision decade resistances by a motor supplied with the amplified photo-cell current and which actuates the resistances successively by an automatic coupling device. The resistances can be calibrated directly in degrees of optical rotation or in percentage concentrations. A numbered drum can be coupled to the resistances, or a printing device may be used to record the result.
Patent GB-400039-A (GB)
Title: Corrosion preventing attachment for boats and other metal parts in contact with water
IPC: C23F13/02
Filed: 1933-01-23
Abstract: 400,039. Preventing corrosion. DURHAM, H. L., 1526, Oaks Avenue, Everett, Washington, U.S.A. Jan. 23, 1933, No. 2150. [Class 123 (i).] To protect the metal parts of boats, propellers, condensers, pumps, and the like from cor osion in contact with sea water, zinc discs 12 are each attached to a bronze base 16 separated from the hull by insulating material 17, 18. A bolt 19 passes through the hull and is provided with nuts 19a for a connecting wire. When employed with wooden vessels, the insulating means may be omitted. A copper core 24 may be cast within the disc 16 to provide better electrical connection. The conducting wire passes within the vessel to the condenser, propeller shaft or the like to be protected, the electrolytic circuit being completed through the water.
Patent GB-175869-A (GB)
Title: Improvements in folding head fittings of motor-cars and other vehicles
IPC: B60J7/12
Filed: 1921-01-15
Abstract: 175,869. Sleigh, H. L., and Cheston, A. S. Jan. 15, 1921. Opening tops.- Folding head fittings for motor cars and other vehicles have the forward cant-rails connected to the middle pillars by levers or links, one of which is connected by a link to a rear cant-rail which is hinged to the middle and rear pillars, so that the raising of the forward cantrail folds the pillars down. The forward cantrail 1 of a two-seater coupÚ is connected to the middle pillar 2 by links 3, 4 such as described in Specifications 23957/11 and 16556/12. The lower end of the link 4 is extended beyond its pivot into an arm 5 connected by a link 13 to a plate 7 on a rear cant-rail 6 which abuts against the face of the pillar 2, the plate 7 being pivoted to a plate 9 on the face of the pillar to which plate 9 the links 3, 4 are also pivoted.
Patent GB-632065-A (GB)
Title: Improvements in or relating to jet driven helicopter rotors
IPC: B64C27/18
Filed: 1948-01-23
Abstract: 632,065. Helicopters. FAIREY AVIATION CO., Ltd., and FORSYTH, A. G. Jan. 23, 1948, No. 2161. [Class 4] [Also in Group XXVI] In a jet-driven helicopter rotor, air is supplied to the jets n by an air compressor mounted on the rotor head, the impeller e being driven through epicyclic gearing comprising a sunwheel g fast with a stationary vertical shaft or pedestal a and planet pinions h carried by the compressor casing d. The rotor blades mare mounted for flapping and drag movements about pivots q, r, respectively, and the air from the compressor passes to the blades through flexible tubes x. Fuel is supplied through a pipe 13 to an annular chamber 12 in the rotor head, from which it passes through flexible pipes 11 to the blades. Additional air may be supplied to each of the jets through the inlet p of a duct o encircling the nozzle n. Collective and cyclic pitch adjustment of the blades is effected by a swash-plate 16, 17 connected to the blades by links 25. In a modification, Fig. 6 (not shown), the inlet to the compressor is furnished with a rotatable cowl provided with vanes to maintain the air intake in a forwardlyfacing direction, and the rotor is mounted on a ball-joint for tilting in any direction.
Patent GB-163752-A (GB)
Title: Improvements in and connected with blowers and exhausters for moving air and gases
IPC: F04D29/42
Filed: 1920-01-24
Abstract: 163,752. Conder, C. M., and Vivian, G. T. Jan. 24, 1920. Shallow-overhung-blade fans and pumps; casings.-The inlet pipe 2 is approximately at right-angles to the plane of the rotor and contains a number of stationary blades bent as shown in Figs. 3 and 4 to rotate the entering fluid. The rotor has a number of narrow blades 5 rigidly attached to a disc 6 at one end and to a plate or ring 7 at the other. The ring 7 is secured to the casting 9 by tie-rods 10 which carry bolts 14 passing through lugs on the casting. The rods disturb the fluid at the centre.
Patent GB-1168546-A (GB)
Title: Threshing Device
IPC: A01F12/20
Filed: 1967-01-16
Abstract: 1,168,546. Threshing machines. JOSEF BAUTZ G.m.b.H. 16 Jan., 1967 [26 Jan., 1966], No. 2272/67. Heading AlF. To facilitate the fitting and removal of the threshing cylinder of a combine harvester, the shaft of the cylinder is in two sections 8, 9 interconnected by a coupling 10 located between the drive pulley 6, which is located outside the threshing box, and the adjacent cylinder support 7. The coupling 10 may be in the form of a stepped bearing bush having a part which surrounds the end of shaft section 9 entirely and a further part which partly surrounds the section. A lever-shaped or star-shaped driving member 12 may be arranged on the coupling 10 and connected to the support 7 by a screw connection 13 or by means of its end extending into an aperture in support 7. The bearing 3 for shaft section 9 is releasable from the box.
Patent GB-104668-A (GB)
Title: Improved Way of Mounting Cams in Magnetos.
Inventor: SALMSON EMILE JEAN JULES
IPC: F02P1/00
Filed: 1916-03-14
Abstract: 104,668. Salmson, E. J. J. March 14, 1916. Make-and-break switches, mechanical.-The cams of a magneto are formed on a sleeve 8 which is serrated at one end to engage with corresponding serrations provided on a shoulder of the side piece of the shutter or of the armature. A nut, screwed on the end of the side piece and bearing against the sleeve, holds the serrated parts together. To adjust the magneto for working in the reverse direction, the nut is unscrewed and the cam-sleeve rotated to a position indicated by guide-marks and then clamped again.
Patent GB-1200432-A (GB)
Title: Process for the preparation of polyisocyanates which contain a carbodiimideisocyanate adduct
Inventor: HENNIG HANS JOACHIM
IPC: C07C265/14
Filed: 1969-01-15
Abstract: 1,200,432. Isocyanate-carbodiimide adducts. FARBENFABRIKEN BAYER A.G. 15 Jan., 1969 [25 Jan., 1968], No. 2293/69. Heading C2C. A process for the preparation of polyisocyanates containing an isocyanate-carbodiimide adduct comprises heating organic polyisocyanates which are free from other nitrogencontaining groups to temperatures above 150‹ C. in the presence of 0À01 to 10 mol. per cent of catalyst comprising organic compounds containing isocyanate groups and biuret, urea, amido, urethane, allophanate, uretdione, isocyanurate or uretone imine groups and cooling the reaction products obtained to room temperature. The process is applicable to diisocyanatoalkanes, 1,4 - diisocyanatocyclohexane, isophorone diisocyanate, 1,3 - diisocyanato - 4 - chlorobenzene, 4,4<SP>1 </SP>- diisocyanatodiphenylsulphone, 4,4<SP>1 </SP>- diisocyanato diphenyl ether and to di- and tri-isocyanato-benzenes, -alkyl benzenes and -phenylmethanes, either alone or in admixture with mono-isocyanates of polyisocyanates. The reaction is exemplified by the treatment of 4,4<SP>1 </SP>- diisocyanato diphenyl methane with tri - (isocyanatohexyl)biuret, tri-(isocyanato hexyl). isocyanurate or various isocyanatoureas as catalysts.
Patent GB-963357-A (GB)
Title: Improvements in or relating to saucepans and like cooking utensils
Inventor: WALL FRANK ERNEST
IPC: A47J45/07
Filed: 1961-01-20
Abstract: 963,357. Saucepan &c. handles. HEALEY MOULDINGS Ltd. Jan. 18, 1962 [Jan. 20, 1961], No. 2303/61. Heading A4A. A tubular plastic handle 17, detachably secured to an attachment member 11 riveted or welded to a saucepan 14, has a bore 21 housing a rod 25 which has a hook 27 engaging a web 15 in the socket 10 of the member 11 and is threaded for engagement with a nipple 24 which is formed with a flanged head 23 bearing on a conical seat 22 at the end of the handle. The end of the socket 10 is triagular in cross-section and receives a triangular extension 19 of the handle, the socket being of such length that abutment of the socket opening against a shoulder 26 spaces the extension from the web which has a notch 16 in which the hook 27 is engaged prior to rotation of the nipple to tighten up the assembly. In a modification the socket and extension are circular in cross-section relative rotation being prevented by keying or by forming the abutting faces at 65 degrees to the axis of the handle which is thin walled and closed by a cap having a countersink for the head of the nipple.