baber/WOPTO huggingface dataset:
Patent GB-959521-A (GB)
Title: Aqueous copolymer dispersions and coatings
IPC: C08L25/12
Filed: 1962-07-03
Abstract: An aqueous latex coating composition comprises a mixture of (A) an aqueous dispersion of a copolymer of (i) 30-95% acrylonitrile, (ii) 5-70% at least one other monomer containing a terminal CH2=C=group and (iii) 0.1-20% of a monomer containing at least one of the groups -COOH, -CONH2, -CONHCH2OH and -CONHCH2OCH3 and (B) an aqueous dispersion of a copolymer of (i) 20-60% of a C4- 6 aliphatic conjugated diolefine and (ii) at least one monomer containing a terminal CH2=C= group, the latices being mixed in a ratio of solid polymers A to B of 95:5 to 5:95. From 0.1-20% of monomer B (ii) may be monomer containing a terminal CH2=C= group and at least one of the groups shown for A (iii) above. The A (ii) or B (ii) monomer may be styrene, styrene alkylated on the nucleus, esters or amides of a cyclic or methacrylic acids, vinyl ethers or esters, e.g. acetate, propionate or butyrate. The A (iii) or B (ii) monomer may be the amides of or a cyclic, methacrylic, fumaric, maleic or itaconic acids or derivatives of such amides, e.g. N-methylol compounds and reaction products with formaldehyde and secondary amines. The B (i) monomer may be butadiene-1, 3 or isoprene, or copolymers of 20-60% of B (i) monomer with acrylonitrile, styrene or esters of methacrylic or acrylic acids. The copolymers may be prepared separately by emulsion polymerization using 0.1-5% emulsifier, e.g. alkyl sulphonates, fatty acid esters, ethylene oxide derivatives of fatty acids, phenols or fatty alcohols, quaternary ammonium salts, sulphates or sulphonates of fatty alcohols, and 0.01-2% of a radical forming catalyst, e.g. ammonium persulphate, H2O2, persalts, Redox systems including peroxy compounds, sulphur compounds, amines, the pH of the aqueous medium can be 2-11 and polymerization may be continuous. The dispersions may contain sulphur or S compounds as vulcanising agents, may be used as stoving lacquers and electric insulation on wires and may contain formaldehyde condensation resins.ALSO:A coating composition comprising an aqueous latex containing a mixture of (A) an aqueous dispersion of a copolymer of 30-95% acrylonitrile, 5-70% at least one other monomer containing a terminal CH2=C= and 0,1-20% of a monomer containing at least one -COOH,-CONH2,-CONHCH2OH or CONHCH2OCH3 and (B) an aqueous dispersion of a copolymer of 20-60% of a C4-6 aliphatic conjugated diolefine and at least one monomer containing a terminal CH2=C=, the latices being mixed in a ratio of solid polymers A to B of 95 : 5-5 : 95, is applied as a thin layer to a solid surface and the layer is heated at 120-400  DEG C. for at least five seconds.  The surface may be metal or ceramic material. Electrical conductors, e.g. copper wire, may be insulated using a wire lacquering machine.
Patent GB-319907-A (GB)
Title: Improved means for sustaining pit props and similar supports and for facilitating their safe withdrawal
IPC: E21D15/60
Filed: 1929-03-11
Abstract: 319,907. Lister, G. March 11, 1929. Wedges.-Wedging means for use in mine shoring consists of a plurality of members each comprising a pair of units a, b, with their inclined surfaces in contact, the members being arranged side by side with a space between, the upper and lower wedge members being connected together by coupling members u so that they can be moved together in pairs by means of the screws v. The wedge surfaces may be lined with metal and provided with interfitting parts e, f, to prevent relative lateral movement and the operating screw may be hand or power actuated.
Patent GB-246560-A (GB)
Title: Improvements in variable electric condensers
Filed: 1924-10-27
Abstract: 246,560. Dubilier Condenser Go. (1921), Ltd., (Dubilier, W.). Oct. 27, 1924. Condensers of the variable type comprise the combination of elements of conductive material in alignment with each other and with their adjacent ends separated, a member which by its movements causes the elements to be bridged to a variable extent and so vary the capacity, operating means for causing the movements of the member, and compensating means to take up any looseness to wear which may occur between the member and the operating means, or to maintain the member and the operating means in precise engagement with one another. The casing 1 carries a plate 3 and a pair of plates 2 located between mica sheets 23 and secured by clips 25, the casing being oblong or rectangular and the plate 3 of corresponding shape. A stem or shaft 10 has a threaded end 9 passing through the casing 1 and screwing into a head 15 which is screwed into the plate 3, and the stem and head are rigidly secured by a binding screw 19 engaging the end 9 and carrying a nut 20 and washar 21 which serves as an abutment for a spring plate 22. In operation, if each plate is connected to the circuit, the capacity can be decreased by turning the stem 10 and consequently the head 15 so as to make the plate 3 move away from the top of the casing and tension the spring 22. The leaf springs 26, 27 also become more convex. If the stem 10 is turned to raise the plate 3, the spring 27 becomes flatter, lifts the plate 2, and flattens the spring 26. The ends of the springs 26, 27 thus move closer to the plates 2 and act as floating plates to increase the capacity. The clips 25 are connected by leads to sockets 31 receiving binding screws 35 and the stem 10 has a projection 37 engaging a stop on the cover to limit its travel. Ribs 45 within the casing prevent turning of the plates 3, springs 22, 26, 27, and mica sheets 23.
Patent GB-1349430-A (GB)
Title: Pneumatic bobbin hanger
IPC: B65H67/06
Filed: 1972-06-02
Abstract: 1349430 Bobbin hangers MURATA MACHINERY Ltd and KANEBO Ltd 2 June 1972 [11 Oct 1971] 25770/72 Heading D1J The bobbin hanger 3 has bellows 9 that can be inflated to drive a slider 11 downwardly and so cause two pawls 17 to move outwardly of the hanger 3 about a common pin 16. When the bellows 9 are not inflated the slider 11 is moved upwardly by a spring 13. In the absence of a bobbin a coiled spring 18 then returns the pawls 17 to the retracted setting shown. The hanger 3 is carried by a support arm 8 that can be moved downwardly to cause the hanger 3 to enter into an upstanding bobbin (19) Fig. 2 (not shown). Thereafter inflation of the bellows 9 causes the pawls 17 to move outwardly of the hanger 3 and engage under internal shoulders (22) of the bobbin. The support arm 8 is then raised to cause the pawls 17 to lift and support the bobbin. Under these circumstances, when the bellows are deflated, the pawls 17 do not retract since they are held outwardly disposed by the weight of the bobbin. The hanger 3 may carry a hood-shaped skirt (101) Fig. 3 (not shown) near its lower end, this skirt causing any bobbins that are out of alignment to be aligned with the descending hanger 3. In Fig. 4, when compressed air is supplied via the tube 201, end pressure in the chamber 207 forces the tube 201 to the right. This axial thrust on the tube 201 causes its shoulder arrangement 202 to press against a rubber seal 203 to prevent leakage of compressed air.
Patent GB-193892-A (GB)
Title: Improvements relating to life-guards for motor and like vehicles
IPC: B60R21/34
Filed: 1921-10-01
Abstract: 193,892. Bari, D. Oct. 1, 1921. Obstruction-removers.-The telescopic members A support a curved centre board H and curved tubular runways B which are slotted longitudinally to take bolts C supporting right and left curved boards D. Each end of each runway B is fitted with a centering spring I which returns the boards D to their normal position after they have deflected an obstacle. The lower end of each board D is provided with rollers G which are supported by springs F. When an object strikes say, the right hand board, the object is carried bv that board to the side and deflected clear of the vehicle as shown bv the dotted lines. The centering springs I then return the board to its normal position. A rubber skirting E is also provided on the bottom edge of the boards D.
Patent GB-847920-A (GB)
Title: Process for photographic reproduction and photographic materials for use in connection therewith
IPC: G03C1/46
Filed: 1956-08-24
Abstract: 847,920. Photographic materials. GEVAERT PHOTO PRODUCTEN N.V. Aug. 24, 1956 [Aug. 25, 1955], No. 25997/56. Drawings to Specification. Class 98(2) A multi-contrast material comprises two lightsensitive silver halide emulsions, one of which is sensitive to a part of the spectrum to which the other is insensitive and one emulsion has a higher contrast but a lower sensitivity to white light than the other. The emulsion of higher contrast may be sensitive to a part of the spectrum to which the other emulsion is insensitive and in Examples 1 and 2 a high contrast orthochromatic bromide or panchromatic chloride emulsion is applied to a film support having an anti-halation layer under an optically unsensitised emulsion of normal gradation (y=1) and of ten times greater sensitivity to white light. The material may be exposed to white light alone but an exposure to white light followed by an exposure to yellow light of the appropriate duration ensures that the high-lights are recorded by the yellow light in the higher contrast emulsion. Alternatively, a high contrast optically unsensitised emulsion is less sensitive to white light than an orthochromatic bromiodide emulsion of softer gradation so that the contrast of the shadow detail recorded in the orthochromatic emulsion can be varied by varying the proportion of the exposure given by yellow light. The emulsions are developed in a N-methyl-para-aminophenol developer of specified composition. The emulsions may alternatively be coated in a different order or on opposite sides of the support or the emulsions may be mixed before coating.
Patent GB-1074003-A (GB)
Title: Colour stabilized epoxides
Inventor: GOLDSMITH WILLIAM FRANCIS
Filed: 1964-06-24
Abstract: The invention comprises colour stable compositions comprising at least one epoxide and an amount of a peroxide, R-O-O-R1, sufficient to inhibit colour development, where R and R1 are hydrogen or an hydrocarbon radical.  Preferred peroxides are hydrogen peroxide, cumene hydroperoxide and di-t-butyl peroxide.  The peroxide is generally added in sufficient amount to provide a residual concentration of 0.05-3% by weight, based on epoxide, of peroxide, calculated as H2O2. Examples relate to the stabilization of soybean oil epoxide, 2 - ethylhexyl epoxytallate, 3,4-epoxy - 6 - methylcyclohexylmethyl - 3,4-epoxy - 6 - methylcyclohexane carboxylate, di(isodecyl) - 3,4 - epoxytetrahydrophthalate. Many other epoxides are specified.
Patent GB-355954-A (GB)
Title: Valve without stuffing box
IPC: F16K41/16
Filed: 1930-09-01
Abstract: 355,954. Stop valves. LœDERS, W. M. C. (trading as BARTHELS & LœDERS), 31, Norderelbstrasse, Steinwarder, Hamburg, Germany. Sept. 1, 1930, No. 26040. [Class 135.] Lift valves; leakage, preventing.-An improved valve operating without a stuffing. box comprises a detached packing-ring f under compression of a spring g, and a screwed spindle d mounted in a non-rotatable nut c in the casing and having a square recess engaging the squared end of the operating spindle e. After the valve has been operated by the hand-wheel h, the lever nut i is screwed down to obtain additional tightness of packing by the ring f.
Patent GB-800041-A (GB)
Title: Improvements in or relating to tail-stock fittings
IPC: B23B29/04
Filed: 1955-09-13
Abstract: 800,041. Machine-tool details. HARDINGE MACHINE TOOLS, Ltd., and BAKER, R. J. Sept. 21, 1956 [Sept. 13, 1955], No. 26220/55. Class 83 (3). A fitting for use with a tail-stock of a machine tool comprises a support, means for securing the support to the tail stock, a number of holders for tools or other appliances which are separately and adjustably secured to said support by carriers so that each tool or appliance may be brought into and out of axial alignment with the tail stock, and when in axial alignment said holder is spaced away from the support. A split disc 10, Fig. 2, is adapted to be clamped to a tail stock spindle by a screw 17. Notches 19 in the periphery of the disc receive the pivoted lugs of arm members 26, Fig. 1, which may be swung down with a bushed portion 30 in line with the spindle. The bushes are replaceable and adapted to take a centre drill or a stop. Provision for two arm members is shown, and these may be swung back to allow the tail stock to be used normally.
Patent GB-922394-A (GB)
Title: Improvements in or relating to the construction of concrete foundations and formers therefor
Inventor: MILNE JAMES
IPC: E02D27/42
Filed: 1958-08-15
Abstract: 922,394. Cones for moulding holes in concrete. BRITISH INSULATED CALLENDER'S CONSTRUCTION CO. Ltd. Aug. 14, 1959 [Aug. 15, 1958], No. 26306/58. Class 20 (2). [Also in Group V] A concrete foundation for a mast &c. is cast by means of a former comprising a convolute roll of sheet metal, Fig. 2, the length of which is the same as the width of the sheet from which it is made and which is placed vertically in a suitable hole in the ground. When the concrete poured around it has set the former is removed by means of a key adapted to engage a beaded flange 3 projecting radially inward from the inner edge of the convolute roll. The key may be a pipe having a slot running from end to end which is adapted to be slid over the beaded edge of the flange 3. A modified key comprises a tube, Fig. 9, having collars 11 secured by set-screws 12 and having slots 13 adapted to be engaged with the flange 3. The collars are keyed to the tube by longitudinal rods 10 welded to the pipe. Another form of key comprises a slotted tube 14, Fig. 11, to the edges of the slot of which three split rings 16 surrounding the tube are welded and supported by brackets 17 welded to the tube. These keys are turned by a crow-bar in a hole 7. Specification 773,220 is referred to.
Patent GB-374730-A (GB)
Title: Inlet funnel for automatic weighing machines
IPC: G01G21/00
Filed: 1931-09-22
Abstract: 374,730. Automatic-feed weighers. HENNEFER MASCHINENFABRIK C. REUTHER & REISERT, Hennef-on-Sieg, Germany. Sept. 22, 1931, No. 26407. Convention date, Sept. 26, 1930. [Class 143.] The inlet funnel of an automatic weighing machine comprises a fixed rear part, and a movable part consisting of a front wall and side walls, the movable part being pressed tightly against the fixed part in the closed position of the funnel, and, in the open position of the funnel exposing the entire interior for the purpose of rapid and easy cleaning. As shown in the Figure, the portion c together with the feed gates f, g may be swung into the open position about a pivot b and retained by a notched lever m and pin n thus giving ready access to the stirrer e and interior of the funnel. In the closed position a hooked lever i engaging a pin l holds the portions of the funnel tightly together. In modifications, the lever i is provided with a tightening cam or screw.
Patent GB-1485008-A (GB)
Title: Rotatable member for use with a machine for distributing granular materials
IPC: G01F11/24
Filed: 1974-06-14
Abstract: 1485008 Hoppers HORSTINE FARMERY Ltd 3 June 1975 [14 June 1974] 26432/74 Heading B8S A rotary metering member 2 for a machine which delivers granular material comprises a rigid core 8 and a coating of plastics material which defines a set of spaced metering recesses 4, The core 8 is metal and provided with holes 9 inclined to the direction of rotation of the rotary member. The granular material is supplied by a hopper 1 which has a lower region which closes the recesses between the filling region and a discharge outlet. A pair of similar metering members (2, 3), Fig. 1 (not shown), may be provided to deliver granular material to separate outlets. The plastics may be polyurethane.
Patent GB-407937-A (GB)
Title: Improvements in or relating to winding machines for textile threads
IPC: B65H59/04
Filed: 1932-09-24
Abstract: 407,937. Creel arrangements for yarn-winding machines. STUBBS, Ltd., J., Mill Street Works, Ancoats, Manchester, and STUBBS, W. L., 15, Oxford Road, and LATHAM, H. E., 15, Norfolk Street, both in Manchester, (Executors of STUBBS, J. H.). Sept. 24, 1932, No. 26542. [Class 120 (ii).] In a thread-winding machine of the type wherein thread is wound from a reel on to a holder mounted on a spindle rotated at constant speed, a friction band and drum are associated with the reel, and the growth in diameter of the package being wound effects by positive means in contact with such package a slackening of the friction band upon the friction drum. Thread x passes from a reel 7 mounted on a frame 4 through the eye 8 of a compensating arm 9 to a cheese y. The shaft 10 of the reel carries a friction drum 11 around which passes a band 12 attached to a buckle 13 engaged upon a wire 14, the upper end of which is fixed to a spring 15 connected by a further wire 16 to a strap 17 secured to a peg 18 in a drum 19 on a shaft 20 mounted on a bracket 21 on the rod 6 of the frame 4. The lower end of the band 12 is connected through a spring 22 to a lug 23 on a rod 24 which carries on its lower end a bowl 28 in contact with a cam surface 29 adjustably secured to a bracket 32 on a pivoted member 31. This member carries a thread guide 33 in contact with the surface of the cheese y. Thus increases in the diameter of the cheese y moves the cam surface 29 so that the rod 24 is lowered and the pressure of the band 12 on the friction drum relieved. The drum 19 has a rim 34 with notches in one of which the end 35 of a helical spring 36 which embraces a sleeve 37 on the shaft 20 engages. The other end 38 of the spring rests on a boss 39 on the bracket 21. The compensating arm 9 is looped at its inner end and engages in a boss 40 fixed on the shaft 20. A coiled wire 41 guides the arm 9 in its vertical movements Normally the winding tension holds the arm 9 down but if a thread breaks the spring 36 pulls the arm upwards rotating the shaft 20 and the drum 19 to pull the friction band 12 sharply and apply a braking force to the reel. A bent bracket 42 fixed on the bracket 21 limits the movement of the drum 19 by engaging the peg 18.
Patent GB-1109446-A (GB)
Title: Actuator assembly for a brake device
IPC: F16D65/56
Filed: 1964-07-02
Abstract: 1,109,446. Brake actuator. WAGNER ELECTRIC CORPORATION. 2 July, 1964 [23 Dec., 1963], No. 26551/66. Heading F2E. A brake actuator comprises a wedge member 82 with cam faces 83, 84, brake shoe actuating pistons 26, 27, and antifriction members, shown as rollers, biased towards the cam faces by the arms of a resilient cage member. The cage member is formed (Figs. 4-7, not shown) from sheet material and has side flanges (93, 94) which receive trunnions on the roller. Arms 89 bent up from the cage abut the ends 28, 29 of the pistons 26, 27 when the wedge is removed for servicing, to prevent escape of the cage. The wedge is actuated by the piston rod 78 of a diaphragm piston mounted (Fig. 2, not shown) on the other side of the back plate 2. Cup shaped retainers (77, 77a) are fitted to the diaphragms and limit the brake applying mover ment. The actuator is fitted with an automatic wear adjuster described in Specification 1,109,446.
Patent GB-1365741-A (GB)
Title: Insulated article storage equipment
IPC: B65D85/57
Filed: 1972-06-07
Abstract: 1365741 Cabinets SPERRY RAND CORP 7 June 1972 [17 Sept 1971] 26555/72 Heading A4B A heat resistant filing cabinet 10, e.g. for magnetic tape or microfilm 18, houses one or more drawers 14 including a box-like container 17 provided in its hollow walls with a filler 44 including sodium acetate trihydrate into which a heat conducting metal plate 60 extends, whereby when the cabinet 10 is subjected to intense external heat the filler 44 reduces to a molten state and, due to the high latent heat of fusion of the filler 44, the interior of the container 17 is maintained at the comparitively lower melting point, e.g. 137‹F, of the filler. The cabinet walls and the container walls surrounding the filler 44 contain heat insulating material. The container 17 is fitted with a lid 24 which is retained in the cabinet when the drawer is pulled out. The lid 24 has a sealing gasket 25 and heat getting past the gasket 25 is conducted into the filler 44 by the metal plate 60.
Patent GB-319918-A (GB)
Title: An improved lifting machine for use in mines and like galleries
IPC: B66F11/00
Filed: 1928-09-18
Abstract: 319,918. Myers, J. Sept. 18. 1928. Platform load-handling machines. - A lifting device for use in mines consists of an extensible frame carrying supporting devices on which the object to be lifted may be laid without being secured thereto and which can be raised on the frame so that the object is positioned while the lifting means is still operative. The extensible frame is formed of two uprights 1 with screw adjusters 5 and an upper pointed connecting plate 3 and a lower connecting plate 4. The supporting devices 15 are rotatably mounted on the uprights above loose sleeves 12 and when in operative position engage recesses 13a formed in the tops of the sleeves. The object 19 to be lifted into position is raised by means of tackle 18 secured to the upper plate 3, the supporting devices being in the position shown in Fig. 1. These are then rotated to operative position Fig. 2 and the object is lowered to rest on them and the tackle removed to engage an eye 10 on a sliding plate 9 disposed beneath the loose sleeves 12 whereupon the object may be raised to the roof of the mine free of any encumbrances.
Patent GB-444396-A (GB)
Title: Improvements in or relating to apparatus for electric forging
IPC: B23K35/22
Filed: 1934-09-17
Abstract: Electrodes for electric forging-apparatus of the kind described in the parent Specification are made of alloys of tungsten, copper, and silver, particularly those containing 5-50 per cent of copper and more tungsten than silver, for example about 50 per cent of tungsten, 25 per cent of copper, and 25 per cent of silver, or 70 per cent of tungsten, 10 per cent of copper, and 20 per cent of silver.
Patent GB-1140377-A (GB)
Title: Improvements in dispensing particulate material from storage containers
Inventor: HEARN FREDERICK WILLIAM
IPC: B65G65/00
Filed: 1966-06-15
Abstract: 1,140,377. Pneumatic conveyers; hoppers. METALAIR Ltd. 12 June, 1967 [15 June, 1966], No. 26732/66. Headings B8A and B8S. A receptacle 32 is pivotally mounted about a horizontal axis at the outer end of a linkage 13 which is pivotally supported about a vertical axis on a stand 12 supporting a bottom-discharge container 10. The linkage comprises two or more arms pivotally connected in series about vertical axes whereby the receptacle may be moved beneath the outlet 16 of the container 10 and beneath the outlet 28 of a container 26 supported by a filter sock 24 on a vent pipe 22. The container is fed pneumatically with granular material, the vent pipe 22 being as disclosed in Specification 1,140,376.
Patent GB-1150388-A (GB)
Title: Improvements in the Pumping of Fluent Materials
IPC: F42D1/10
Filed: 1967-06-09
Abstract: 1,150,388. Suction discharge of hopper. AFRICAN EXPLOSIVES & CHEMICAL INDUSTRIES Ltd. 9 June, 1967 [24 June, 1966], No. 26789/67. Heading B8A. Slurry made of an explosive is contained in hopper 5 and is discharged therefrom at 12 by-suction through vertical duct 8, the discharge being controlled by base 6 which is resiliently supported by springs 11 from the fixed hopper 5 and carries rigid therewith cone 9 to assist the control. The hopper has part 7 of its walls formed of flexible material. Operation.-Slurry falls into container 5 and its level rises until the weight thereof depresses base 6 against springs 11 and permits the discharge of material up duct 8. When the level falls the discharge ceases because of the rise of the base 6.