baber/WOPTO huggingface dataset:
Patent GB-775888-A (GB)
Title: Improvements in and relating to the manufacture of polymerised -e-caprolactam
Inventor: GRICHL WOLFGANG
IPC: C08G69/46
Filed: 1954-08-12
Abstract: Low molecular weight constituents are removed from poly-caprolactam by blowing a finely divided inert gas, e.g. nitrogen or hydrogen, through the molten polymer.  The melt may be stirred during the process.  The gas stream may be pre-heated. The gas is cooled after use to remove the low molecular weight constituents by condensation, and may then be re-used.  In examples: (1) caprolactam is polymerized in presence of acetic acid and #xamino-caproic acid, and the polymer heated to 280 DEG  C. Nitrogen, free from oxygen and heated to 280 DEG  C., is blown in a finely-divided state through the vigorously stirred melt.  The melt is de-gassed by keeping it at reduced pressure and may then be spun.  (2) Hydrogen is blown through a polymeric caprolactam melt in the last zone of an apparatus for continuous polymerization with the aid of acetic acid as catalyst. The degassed polymer is then spun.  Specification 747,913 is referred to.
Patent GB-330817-A (GB)
Title: Improvements in or relating to litter bins and the like
IPC: B65F1/14
Filed: 1929-07-31
Abstract: 330,817. Parkinson, J. W. July 31, 1929. Street orderlies.-Refuse-bins are pivotally and detachably mounted on lamp posts, tram standards, &c., by means of a pivot pin c, Figs. 1 and 5, adapted to engage a keyhole slot in a bar e clamped to the post &c., a peg h being provided for insertion through holes in flanges on the bin and bar. The bin flange g may have a recess to engage a pin e' on the bar, and a strut e<2> may abut against and be secured to the post. In modifications, the pivot pin is clamped to the post, and engages a bearing hole in the bin wall or in a bar secured to the bin.
Patent GB-802190-A (GB)
Title: Improvements in hinges for books and similar articles
IPC: B42F13/00
Filed: 1956-07-31
Abstract: 802,190. Books; filing papers. LOWMASS, A. J., and POL, R. E. VAN DE. July 31, 1956, No. 23542/56. Classes 16 and 146(1) Also in Group XXV] A hinge for attaching the cover of a book, looseleaf binder or the like to a clamping bar comprises a hinge leaf 5 with projecting pintles 7 accommodated in half bearings 12 in walls 11 of a recess 8, the pintles being held in place by a boxlike member 13 of spring steel, having complementary half bearings 14, which is inserted through a rectangular hole 10 in the bar and engages the edges of the hole 10 with flanges 15. The member 13 may be formed in two pieces, a moulded piece to form the half bearings and a spring steel clip to retain it in position.
Patent GB-653203-A (GB)
Title: Stuffing box for piston and cylinder assemblies
IPC: F16J15/18
Filed: 1948-09-07
Abstract: 653,203. Stuffing-box packing. JENKINS, R. G. C. (Parsons, J. B.). Sept. 7, 1948, No. 23574. [Class 122(v)] [Also in Group XXIX] A valve-like device for packing the piston rod 13 of a piston-andcylinder comprises a resilient, e.g. rubber, washer 20 slidable on the piston rod and reresiliently pressed against the end of the cylinder, and, as the piston moves towards the washer, the fluid in the adjacent end of the cylinder forces up the washer and flows out to atmosphere, but on the return stroke, the suction created in the cylinder pulls the washer down on to the end of the latter to prevent the entry of air. As shown, the washer is pressed down by a felt pad 21 impregnated with lubricant.
Patent GB-753417-A (GB)
Title: Improvements in or relating to reciprocating pumps for metering liquids
IPC: B65B3/32
Filed: 1954-08-13
Abstract: 753,417. Reciprocating pumps. BERGER & SONS, Ltd., L. Aug. 13, 1954 [Aug. 14, 1953], No. 23666/54. Class 102(1). In a reciprocating pump for delivering a variably controlled measured quantity, a piston is actuated by a connecting rod 5 loaded by a tension spring 36 and pivoted on a rocking beam 24 freely mounted on the shaft 10 which has an oscillating movement and carries a crank arm 16. A disc 18 is freely mounted on the shaft 10 and can be moved by an arm 23 to bring an appropriate calibration on its edge opposite a pointer 20 carried by the crank arm 16 which can be clamped to the disc by a handle 17. When the shaft 10 moves, a stop. 22 engages a projection 26 on the rocking beam and actuates the pump on the suction stroke. upon reverse rotation of the shaft 10, the spring 36 assists the delivery stroke until the stop 22 and adjustable bolt 28 on the crank arm 16 engage a leaf spring 27 carried by the rocking beam 24 ; a blade 40 carried by the beam 24 frictionally engages a spring-loaded ball in a slot in the block 41 to absorb energy at the end of the delivery stroke. The inlet from tank 32 and delivery to pipe 33 are controlled by a slide valve 29 actuated by lever 31. Several pumps may be mounted in line and actuated from a common shaft 10.
Patent GB-290490-A (GB)
Title: Improvements in or relating to portable screens or partitions
IPC: E04B2/74
Filed: 1927-09-08
Abstract: 290,490. Blesson, L. Sept. 8, 1927. Partitions.-A portable screen or partition comprises a number of rigidly but detachably connected panels 1 secured to form a central longitudinal member with transverse members 3 projecting on each side thereof. The parts are connected by angle plates or straps (which may be hinges) secured by detachable bolts, or by pivoted catches. When cubicles are to be formed. the transverse members 3 may carry hinged door flaps 4.
Patent GB-1471309-A (GB)
Title: Printed circuit board package
IPC: H05K7/20
Filed: 1974-05-29
Abstract: 1471309 Printed circuits SANDERS ASSOCIATES Inc 29 May 1974 [18 June 1973] 23713/74 Heading H1R A printed circuit assembly comprises two metal plates 10, 12 each having one surface recessed, e.g. at 11 to accommodate printed circuit boards 14, 16 respectively, the recessed surfaces being coated with insulating material, and resilient member 17 urges each board against a respective metal plate when these are bolted together, preventing vibration of the boards. As shown, member 17 comprises silicone rubber tubes 27 taped together. Plates 10, 12 may be cast aluminium and have ribs 33 for strengthening and for aiding heat dissipation. A plurality of such structures may be assembled together (Fig. 2, not shown). Each board is correctly located in its metal plate by engagement between a pin 18 and slot 19.
Patent GB-1465727-A (GB)
Title: Device for introducing soluble substances into a water stream
IPC: E03C1/046
Filed: 1974-05-29
Abstract: 1465727 Dissolving and dosing apparatus NATIONAL SANITATION SERVICES Ltd 29 May 1974 [2 Oct 1973] 23739/74 Heading B1C [Also in Divisions A5 and El] A device whereby a soluble disinfectant or the like is introduced into a stream of water comprises a sealable container 10 with lid 11 in which the soluble material is contained, e.g. in the water-permeable bag 33. Conduits 13 and 19, which may be attached to a pressurised water supply 18 and a delivery device 21 respectively, are sealed into the said lid and, within the container, are connected by a perforated pipe 22 having, near the exit point, a shoulder portion 30 open to the interior of the container. In use, water enters the container via the perforations 32 and dissolves some of the soluble material. Continued passage of water causes turbulence in the liquid in the container and some of the  contents thereof are swept out into the liquid  stream via the shoulder pipe 30.
Patent GB-384712-A (GB)
Title: Improvements in or relating to wardrobe suitcases
IPC: A45C13/03
Filed: 1931-08-24
Abstract: 384,712. Suitcases. WILT, E. E., 222, West Madison Street, Chicago, U.S.A. Aug. 24, 1931, No. 23780. [Class 18.] In a wardrobe suitcase with a container or tray for accessories within the same the case and the contour of the tray are correlated to provide a space, preferably of uniform extent about the entire circumference of the tray, between the top 27, bottom 25 and sides 26 of the tray and the corresponding walls 16, 11, 10, 15 and 12, 17 of the case. The tray rests on brackets 31 secured to the end walls of the case the external contour of which may be the same as that of the interior. A piece of leather or fabric 32 extends across the gap 33 occasioned by the opening of the case to prevent the clothes, which hang from a garment hanger on a bracket 20, from catching therein. The case has a handle 38 and a brace member 39 for limiting the opening of the lid. The inner surfaces of the case wall are preferably lined and smooth. An inner tray suitable for use with men's garments is provided with a curved wall 5, Fig. 4, and a straight wall 37.
Patent GB-166462-A (GB)
Title: A new or improved vehicular apparatus for use in the repair of roads and the like
IPC: E01C19/26
Filed: 1920-08-14
Abstract: 166,462. Meldal, E. Aug. 14, 1920. Rollers, road.-A vehicle comprising one or more heavy rollers capable of being raised when not in use, and of being lowered on to the road so as to exert variable pressure thereon, is provided with devices for throwing part of the weight of the vehicle upon the roller or rollers. In the form shown, a roller b, extending completely across the vehicle frame a, may be elevated by means of bars b<3>, which are slotted to engage its axle at each end, and may be raised by the actuation of a hand-wheel b<10> operating through worm and 'eccentric gearing. Reversal of the motion of the hand-wheel lowers the roller to the ground, and by subsequently exerting additional pressure, part of the weight of the vehicle may be thrown upon the roller. Lateral rollers c<1>, one at each side, extending outwards to the full width of the wheel-base, are carried on arms C<SP>2> elevatable by actuating a hand-wheel c<6>, the rollers being anchored in raised position by chains d. The roller b may be loaded by the insertion of weights. The elevating-mechanism may be driven by the propelling-motor of the vehicle.
Patent GB-1495525-A (GB)
Title: Heat transfer printing process
IPC: D06P5/28
Filed: 1975-05-14
Abstract: 1495525 Transfer printing process INDIAN JUTE INDUSTRIES RESEARCH ASSOCIATION 14 May 1975 [29 May 1974] 23900/74 Heading D1B A transfer printing process for cellulosic textile materials or blends with synthetic textile material comprises impregnating the textile material with an aqueous emulsion or solution of one nr more of finely dispersed cellulose, chemically modified cellulosic derivatives, natural and chemically modified starches and polyvinyl alcohol; excess liquor is removed and the material is dried before dyeing/printing. Preferred modified cellulosic derivatives are carboxymethyl cellulose, cellulose diacetate and cellulose triacetate; a preferred modified starch is oxidised starch. The impregnating bath may also contain a cross-linking agent for cellulose or an acrylic polymer emulsion.
Patent GB-1513554-A (GB)
Title: Moulding of profiled surfaces
IPC: B28B11/10
Filed: 1975-06-03
Abstract: 1513554 Rollers FICTOR PTY LTD 3 June 1975 [3 June 1974] 23929/75 Heading F2U [Also in Division B5] The surface of an article such as a panel is profiled by running over it a roller that is rotating so as to rub the surface. As described, a vacuum is applied to a profiled lower mould half 17 (Fig. 1) to draw down a filter cloth, and wire mesh or strands (crimped to follow the mould shape) are positioned. A carriage 18 is moved to the right to spread cementitious slurry from a hopper 20, and roll and rub it by a roller 21. A second carriage 39 then moves to the right and lowers an upper, profiled mould half 42 onto the slurry for suction and vibration. The upper mould half 42 is raised with the finished panel held to it by suction, and the second carriage 39 moves back to the left. Roller. The roller 21 is of non-circular crosssection or is eccentrically mounted on a shaft 22 (Fig. 3) for rotating by a motor 23 through a chain 29, in a direction against its forward travel. Motor 23 simultaneously rotates a sprocket wheel 31 that engages a chain or rack on the bed 12 to move the supporting carriage 18 along tracks 14 on the underside of the bed. In addition, the roller 21 is oscillated along the direction of the shaft 22 (or vertically) by a cam pin 48 (see Fig. 8) mounted on carriage upright 19 and engaging a spiral slot in a sleeve 47 keyed to the shaft 22. The roller 21 is cylindrical or conical as shown (Fig. 3), and of circular or non-circular cross section. It comprises a plurality of plates or hollow castings fastened face-to-face and machined to shape, and the surface can be stepped (see Fig. 10). The panel formed in the embodiment is zigzagged in one direction and smoothly undulating in the opposite direction.
Patent GB-245519-A (GB)
Title: Improvements in or relating to tobacco pipes, cigar and cigarette tubes
IPC: A24F1/00
Filed: 1924-10-09
Abstract: 245,519. Dolcini, F. Oct. 9, 1924. Tobacco pipes and cigar and cigarette holders. -A fitment completely enclosed within the stem comprises three or more tubes 13 through which the smoke passes in succession. The tubes are fitted into ferrules 16, 18, the outer sides of which are provided with holes 25 - - 28 communicating with the tubes and connected in pairs to form a continuous smoke passage. The holes 25 - - 28 are closed by end caps 20 screwed on to spigots 17, 19 on the ferrules; or may be closed by abutment against the end walls of the chamber in which the fitment is carried. Washers may be interposed between the holes 25 - - 28 and the closing means. The tubes 13 are conr.ected with the smoke bore by oblique passages 22, 24 and passages 21, 23 in the spigots 17, 19. The Provisional Specification describes a construction in which the fitment is exposed to the air throughout the whole or a portion of its length.
Patent GB-501329-A (GB)
Title: Improvements in and connected with reversing mechanism for internal combustion engines
IPC: F01L13/02
Filed: 1938-08-15
Abstract: 501,329. Reversing. SCHICHAU GES., F. Aug. 15, 1938, No. 23987. Convention date. Nov. 24, 1937. [Class 7 (v)] In a reversing-mechanism comprising in the cam-shaft drive a steep-thread screw device 2, 3, the member 3 of which is axially movable for rotatably adjusting the cam-shaft 1, the member 3 is formed with an internal skew tooth or teeth produced by a tooth-forming machine and preferably by a Fellows slotting wheel b which executes a reciprocating movement and at the same time a rolling movement As shown, the member 3 has straight external teeth meshing with internal teeth in the sprocket wheel 4 through which the cam shaft 1 is driven, and is formed integral with a piston part, so that the member 3 is moved axially by pressure oil admitted to either side ot the piston through ducts 8, 10 or 9, 12.
Patent GB-1137395-A (GB)
Title: Improvements in or relating to merchandise display arrangements
Inventor: GILLERON ANDRE ALBERT
IPC: B65D25/10
Filed: 1965-06-04
Abstract: 1,137,395. Display cases. MECCANO Ltd. 3 June, 1966 [4 June, 1965; 6 April, 1966], Nos. 24035/65 and 15412/66. Heading B8P. [Also in Division A4] A base 10, Fig. 1, for mounting articles such as model vehicles is provided with a plurality of bosses 13 terminating in a slotted spigot 14, Fig. 4, which enters a hole in the article, the whole assembly being covered by a tightlyfitting shell 12 having at least one transparent side. As described, the base 10 comprises a plastics box-like member having an open underside and upwardly tapered sides 11. The spigot 14 is slotted along one half diameter at 15 from a central hole and in a preferred embodiment is undercut and engages a socket 17 integrally moulded with the base plate 18 of the model vehicle. The internal wall 19 of the socket 17 is tapered and is provided with chamfered projections 21 at the bottom of the socket to enable the spigot 14 to be held firmly in position.
Patent GB-1482739-A (GB)
Title: Combustible composition
IPC: C10L5/40
Filed: 1971-07-13
Abstract: 1482739 Combustible composition CATALYST RESEARCH CORP 13 July 1971 24035/72 Divided out of 1482738 Heading C5G A combustible composition for use in the heat activated primary battery of the parent Specification comprises finely divided higher oxide of tungsten or molybdenum mixed with finely divided metal, the proportion of metal not substantially exceeding that necessary to reduce the higher oxide to a lower oxide Suitable metals are Fe, Co, Ni, Cr, Mo, Mg, Ti, Zr, and Ta. Sand may be present as an inert diluent. Heating pads may be cut or punched from sheets made from the combustible composition mixed with fibres of asbestos, glass, or ceramic material.
Patent GB-728041-A (GB)
Title: Electrostatic precipitators
IPC: B03C3/76
Filed: 1950-10-02
Abstract: 728,041. Electrostatic precipitation. RESEARCH CORPORATION. Oct. 2, 1950 [Nov. 25, 1949], No. 24037/50. Drawings to Specification. Class 39 (1). The collector electrodes of an electrostatic precipitator are continuously vibrated instead of being hammered. The R.M.S. value of the vibrating acceleration lies between 10 and 100 inches per second per second.
Patent GB-1066562-A (GB)
Title: Improved detergent gasoline composition
IPC: C10L1/30
Filed: 1965-06-04
Abstract: Gasoline compositions comprise a major proportion of a hydrocarbon fuel of gasoline boiling range and, as a detergent additive, 0.0001-1.5 wt. per cent of a branched-chain alkyl primary amine of formula <FORM:1066562/C4-C5/1> where R1 is a C1-3 straight-chain alkyl group, R2 is a C5-22 straight-chain alkyl group, and R1 and R2 together contain a total of 8-23 carbon atoms.  The amines are usually added to the gasoline in the form of a concentrate in a solvent, e.g. an aromatic hydrocarbon, an alcohol, or a mixture thereof, and the final compositions may also contain antiknock agents, e.g. TML or TEL, and a light mineral lubricating oil, e.g. petroleum spray oil.ALSO:A mixture of olefines containing 15-20 carbon atoms is hydrochlorinated to give a mixture of 2-, 3- and 4-chloroalkanes, which is then reacted with an excess of ammonia to give the corresponding mixture of primary amines.
Patent GB-1114329-A (GB)
Title: Improved halophosphate phosphor,method and fluorescent lamp
IPC: C09K11/76
Filed: 1966-05-20
Abstract: A halophosphate phosphor for a fluorescent lamp has a matrix consisting essentially of strontium halophosphate and/or calcium halophosphate activated by antimony or antimony plus manganese and contains additives in amounts from 2 x 10-5 to 8 x 10-3 but preferably 5 x 10-5 to 4 x 10-3 grm. atoms per 2 gm. atoms of phosphorus of at least one of the group of preferably terbium, gadolinium, yttrium, lanthanum, and also lutecium and thulium, although indium, scandium and gallium may be included.  Cadmium additions are also preferable in the phosphor in amounts of 8 x 10-3 to 0.17 but preferably 0.008 to 0.12 grm. atoms per 2 gm. atoms of phosphorus.  A number of methods of preparation of calcium and strontium halophosphates is described with the above additives in various proportions within the above ranges with and without Cd, the disclosed raw mix constituents including fluoride and chloride compounds, being thoroughly blended, fired in a crucible or inert atmosphere e.g. N2, at disclosed temperatures within the range 1120 DEG  to 1180 DEG  C. for 3 hours.  The exact optimum concentration of the additives within the above ranges depends on the particular additive, the type of phosphate and the firing conditions. Preferably the Cd and other additives are incorporated as mixed oxalates or oxides, methods of preparation of both being described.  In one coprecipitation method, the ratio of grm. atom of cadmium to gram atoms of said additive material is from 6000:1 to 1:1, preferably 2400:1 to 2:1.  The use of mixed oxalates cause better mixing during firing and also the reactants tend to stabilize the cadmium in the preferred cadmous state.
Patent GB-615016-A (GB)
Title: Improvements in and relating to cathode ray tubes
IPC: H01J29/84
Filed: 1946-08-14
Abstract: 615,016. Cathode-ray tubes. GENERAL ELECTRIC CO., Ltd., and MOORE, R. C. Aug. 14, 1946, No. 24158. [Class 39 (i)] A magnetically focused cathode-ray tube has a negative ion suppressing device comprising a plurality of cylindrical or frustro-conical members arranged coaxially with the beam axis so that only a small fraction of the electrons is intercepted but a substantial fraction of the negative ions is intercepted. The device may also include a central stop located on the axis and may be connected to an adjacent electrode or wall coating. Fig. 2 shows a cross-section of such a device, which is preferably located with the end nearer the cathode lying in the central plane of the magnetic focussing means. The cylinders 19, 21, 22, 23 are of copper-nickel or other non-magnetic alloy and are held in position by the two supports 24. The outer radii of the cylinders, and of the stop if used, are preferably determined by the formula where n is the number of the member, numbered from the outer member, d is the thickness of the cylindrical members, R0 is the sum of the internal radius of the outer member and d, L is the distance from the centre of the device to the cathode, and a is half the length of the cylindrical members.
Patent GB-817862-A (GB)
Title: Improvements in and relating to gas meters
Inventor: CRUISE AMBROSE JOHN
IPC: G01F3/22
Filed: 1954-08-19
Abstract: 817,862. Gas meters. UNITED. GAS INDUSTRIES Ltd. Nov. 18, 1955 [Aug. 19, 1954], No. 24180/54. Class 54. In a dry gas meter each diaphragm 5 is carried by a support 3 and is restricted in its outward expansion by an annular guide 7 having a cross-sectional curvature conforming to that of the fully-expanded diaphragm. The guide 7 is of metal or plastic and is supported from the meter casing 1 by soldered. or welded studs 8. A few turns of wire 6 secure the diaphragms to their supports 3 which may be cut away at 12 to facilitate the flow of gas. A second guide 10 may be provided to control the inward expansion of the diaphragm. Alternatively, the support 3 may be shaped as shown at the left-hand side of the Figure.
Patent GB-778300-A (GB)
Title: Improvements in or relating to axial-flow compressors and turbines
Inventor: MORLEY FREDERICK WILLIAM WALTO
IPC: F01D5/02
Filed: 1954-08-19
Abstract: 778,300. Turbine and compressor rotors. ROLLS-ROYCE, Ltd. Aug. 19, 1955 [Aug. 19, 1954], No. 24231/54. Class 110 (3). [Also in Group XXIV] An axial-flow turbine or compressor rotor disc 10 is mounted on a shaft 11 by a thin cylindrical flange 13 secured to the larger end 16 of a rigid frusto-conical member 18 secured to the shaft 11, and by a disc-like member 24 in contact with the shaft 11 and the rotor disc 10, the disc 24 being positioned on the side of the rotor remote from the flange 13 and being adapted to resist deflection of the rotor 10 from a plane at right angles to the shaft axis. The disc 24 is secured to the shaft 11 by the cylindrical portion 19 of the member 18, and has at its outer periphery a thickened portion 27 containing a circumferential groove 29. T- headed members 32 are clamped at spaced positions round the groove 29 by bolts 36 in clearance holes 30, which members have circular sections 34 co-operating with slightly wider slots 31 in a flange 26 on the rotor 10. A spigot 28 has a slight clearance with the inner periphery of the portion 27 of disc 24 to limit tilting deflection of the rotor 10 which is allowed to expand radially by virtue of the thinness of the flange 13. In another embodiment described in the Provisional Specification, the disc-like member is in splined engagement with an extension of the shaft and with a flange on the turbine disc and means are provided to prevent axial displacement of the member in relation to the turbine disc.