baber/WOPTO huggingface dataset:
Patent GB-394659-A (GB)
Title: Elevated railways
IPC: E01B25/22
Filed: 1931-12-18
Abstract: 394,659. Elevated railways. ROSCHER, E. K., 4, Lydiastrasse, Wandsbek, Hamburg, Germany. Dec. 18, 1931, No. 35134. Convention date, Dec. 22, 1930. [Class 104 (ii).] An elevated double-track railway comprises running rails 2 and guide rails 3 carried at the levels of the lower and upper booms 1, 4 of a horizontally continuous lattice girder frame 5 supported on standards. The girder may be triangular in cross section or double T shape, as shown in Fig. 3, or a double vertical cross. The rails may form a structural part of the girder, and the girder may be supported by cables anchored to standards, or may rest in places on an embankment.
Patent GB-823146-A (GB)
Title: Improvements relating to suction cleaners
IPC: A47L5/32
Filed: 1956-11-16
Abstract: 823,146. Suction cleaners. HOOVER Ltd. Nov. 16, 1956 [Nov. 30, 1955], No. 35194/56. Class 8(1). In a handle propelled suction cleaner comprising an upwardly extending filter casing 23, Fig. 1, connected at its lower end to an air inlet 47, Fig. 3, of a motor-fan unit 27 and the main suction nozzle 14 having a rotary agitator 16 so as to be movable therewith during normal cleaning and connected at its upper end with a flexible hose 35 having an opposite end 37 detachably connected to an outlet fitting 18 of the nozzle 14, disconnection of the lower end 37 from the fitting 18 actuates means for rendering the agitator 16 inoperative during an off-the-floor cleaning period. As shown the nozzle 14 is raised so that the agitator is clear of the carpet by withdrawal of the hose connection 38 which has a projection 54 normally moving to hold a spring-urged pivoted cam 50 away from a step 56 on the chassis 10 and which cam when allowed to abut the step effect raising of the nozzle abut a pin 13 and against a spring 41 as shown in Fig. 4. In a modification the cam is activated by movement of a wire ring surrounding the nozzle outlet 18 when released by withdrawal of the hose connection 38. In a further modification the agitator is rendered inoperative by the closing of a closure plate on the fitting 18 ; said closure having a cam extension which when it abuts a step on the chassis raises the nozzle. In a still further modification and instead of raising the nozzle the agitator drive belt 29, Fig. 9, which is normally held taut by an idler pulley 83 at the free end of a spring-biased crank arm 82 is slackened on removal of the hose connection from engagement with a roller 78 of the free end of a crank arm 75 secured to one end of a shaft 76. The other end of shaft 76 carries a crank arm 76<SP>1</SP> connected by a link 78<SP>1</SP> to a further crank arm 79 which is secured to a shaft 80 to which is secured the arm 82. Specification 823,145 is referred to.
Patent GB-605598-A (GB)
Title: Improvements in or relating to electric plug couplings
IPC: F21V21/002
Filed: 1945-12-31
Abstract: 605,598. Two-part couplings; ceiling roses. BOYNTON, T. E., and WHIFFIN, E. C. Dec. 31, 1945, No. 35236. [Class 38 (i)] In a coupling, e.g. a ceiling rose, in which a plug 14 is adapted to co-operate with a socket 1 to form a bayonet-type connection, the plug carries pins 19 provided with spring contacts 25 which are inserted in slots 8 in the socket and moved to abut contacts 10 to complete the circuit between the plug and socket. The plug has a spigot 15 which revolves in an aperture 7 in the socket, thereby allowing the plug to be turned angularly to withdraw or insert it. The slots 8 in the socket have enlargements 9 which allow insertion of the contacts 25. A web 16 is provided on the plug to assist in turning it and has apertures 23 to retain the lamp leads. Each contact 10, Fig. 10, has a slot 11 with inclined tips 10b which engage and retain the contacts 25. The contacts 10 are bent as shown to fit in recesses in the socket body at the ends of the slots 8. A screwed cover 29 protects the coupling and may be provided with a smooth or screwed outlet 32 to receive a lamp bracket. The cover may be supported by the plug.
Patent GB-861145-A (GB)
Title: Screw presses for extruding plastic materials
IPC: B29C48/425
Filed: 1958-11-04
Abstract: 861,145. Extrusion screws. LAVORAZIONE MATERIE PLASTICHE (L.M.P.) DI M.I. COLOMBO & C. S.A., S. Nov. 4, 1958 [Nov. 14, 1957], No. 35355/58. Class 87(2). An extrusion machine comprises a first screw set having a plurality of inter engaging screws 3, 4 and E second screw set parallel to and axially offset from the first screw set and having at least one screw (73 or 5, 6) whose rear section is closely adjacent to, but does not mesh with, the forward section of the first screw set. The speed of the screw sets may thus be independently adjusted to give various compression ratios for different materials. The screws of each set may rotate in the same or in opposite directions and their threads may have varying pitches. A third screw set 7, 8 may be provided. Volatiles may be extracted through passages 18, or 12, 13, 15.
Patent GB-986849-A (GB)
Title: Improvements in or relating to shaft furnaces
IPC: F27B1/00
Filed: 1962-03-22
Abstract: 986,849. Shaft furnaces. K. BECKENBACH. March 22, 1962 [June 21, 1961], No. 35432/64 Divided out of 986,848. Heading F4B. Air heated by flowing upwardly through the cooling zone of a shaft furnace 10 for calcining limestone &c. mixed with waste gases from lower burners 15a enters a central flue 53, the mixture being returned near burners 15b to hollow spaces formed in the charge material below radial ribs 52 through ports 55. The central flue 53 extends upwardly as a hollow insert 50 suspended from upper transverse girders. Gaseous or liquid fuel are fed through pipes 46a and 46b to the burners 15a and 15b respectively. Modifications, Figs. 2-4 (not shown), are also disclosed in Specification 986,848.
Patent GB-411857-A (GB)
Title: Improvements in or relating to means for rectifying and finishing gear-wheel teeth
IPC: B23F23/12
Filed: 1932-12-14
Abstract: 411,857. Lapping gear-teeth. WRIGHT, F. H., 1, Golders Green Crescent, and LEWIS, E. W., 2, Vinery Villas, Park Road, St. John's Wood, both in London. Dec. 14, 1932, No. 35483. [Class 60.] Gear wheel teeth are rectified by running the wheel in mesh with the other wheel of a pair intended to work together, or with a master gear wheel, the wheels being mounted on parts of parallel spindles overhanging their bearings and driven by friction rollers mounted alongside the wheels. A machine for carrying out the invention comprises a main hollow spindle 10 mounted in ball bearings 11, 12 in a casing 13 and driven, through bevel gearing 15, by an electric motor. The spindle receives a clamping-rod 19 screwed to receive a nut 20, and serving, by means of a cotter 27, to clamp in position a gear wheel 25, which is to be rectified and is mounted on a tapered sleeve engaging a taper in the spindle 10 ; the spindle also has secured thereto a friction roller 24 of a diameter equal to the pitch circle diameter of the wheel 25. The mating gear wheel 30 is carried by a spindle 31, which also carries a friction roller 32, mounted in bearings 33, 33<a> in an arm 34 having ears 36, 37 to the lower of which is secured a pin 35 pivotally carried in the main frame of the machine and screwed at its upper end to receive a wheel 38 formed with ratchet teeth 39 engaged by a reversible pawl 40, so that when the arm 34 is swung by a handle 41 to bring the gears and rollers into or out of engagement, the arm may, through the screwed part and wheel 38, be lowered or raised slightly as a number of successive gears 25 are treated ; the wheel 30 may be made of cast iron, copper or other material to retain abrasive. Beneath the wheels is a tank 42 having three compartments, namely 51 containing abrasive medium, and 52, 53 containing paraffin &c., so that when the tank is raised by a toggle lever arrangement, the wheel 30 is charged with abrasive and the wheel 25 is cleansed, final rinsing by hand taking place in compartment 53. According to the Provisional Specification, the parallel spindles each carry two friction rollers located just outside the spindle bearings.
Patent GB-1479756-A (GB)
Title: Packing cartons
IPC: B65D85/32
Filed: 1974-08-13
Abstract: 1479756 Boxes BRODRENE HARTMANN AS 13 Aug 1974 [31 Aug 1973] 35549/74 Heading B8P A carton for eggs or the like has a continuous portion 1 with egg pockets 4, a lid portion 2 hinged to the container by an articular fold 3, and a closing flap 15 hinged to the container by a further articular fold 14 to allow projections 16 to enter apertures 18 in the front wall 17 of lid 2. Projections 19 are provided at intervals along the folds 3, 14 and prevent excessive folding so that projections 16 may firmly engage the apertures 18. Lid 2 has inspection holes 10 in a sunken lid section 7 between gable portions 6. Projections 12 on section 7 engage bearing surfaces 11 on pillars 5 defining pockets 4. Reference is made to Specification 1,479,757.
Patent GB-1128519-A (GB)
Title: Improvements in or relating to the electro-deposition of nickel
IPC: C25D3/18
Filed: 1966-08-09
Abstract: 1,128,519. N - Allylpyridine - 3 - sulphonic acid betaine. CILAG-CHEMIE. 9 Aug., 1966 [24 June, 1966 (2)], No. 35608/66. Heading C2C. [Also in Division C7] N-Allyl-pyridine-3-sulphonic acid betaine is prepared by reacting 3-pyridine sulphonic acid and allyl chloride in the presence of NaOH/EtOH.
Patent GB-1175778-A (GB)
Title: Improvements in or relating to Injection or Die Cast Molding Devices
Inventor: MARRA FRANK SAMUEL
IPC: B29C45/26
Filed: 1968-07-25
Abstract: 1,175,778. Injection moulding. D-M-E CORP. 25 July, 1968, No. 35651/68. Heading B5A. An injection mould includes plates 10, 12 defining a mould cavity 16, at least one core pin 22 and/or ejector pin 24 extending through plate 12 and prevented from rotating about their axes by providing transverse slots in their heads 44 and securing the heads in supports 12 or 28 by U-shaped keys 36. The parallel legs of the latter are located in bores 48 in the support and the intermediate legs fit into the slots. Back-up plates 26 and 30 are provided, and the end of the ejector pin lies flush with the cavity wall during injection.
Patent GB-1089758-A (GB)
Title: Roliing mill
IPC: B21B31/26
Filed: 1965-08-23
Abstract: 1,089,758. Rolling. MORGAN CONSTRUCTION CO. Aug. 23, 1965 [Aug. 24, 1964], No.36035/65. Heading B3M. A rolling mill comprises stands, 18, 20, Figs. 1. 4 whose roll axes are inclined at approximately 45 degrees to the horizontal, the shafts 78, 80 of each pair of rolls 36 being adjustable relative to each other, and gear drive means, which do not include universal joints, for driving the roll shafts. The roll shafts are driven by a motor 22, Fig. 1, through a gear type speed increaser 28, and through shafts 30, 32. In a modification shafts 30, 32 are driven by separate motors, or each stand may be provided with its own motor. Each stand 18, 20 comprises a housing 38, Fig. 3, having short drive shafts 40, 42 journalled therein, the shafts having intermeshing gears 46, 48, Fig. 5, which also mesh with gears 84, 86 carried on roll shafts 78, 80. The latter are journalled in eccentric sleeves 74, 76, Figs. 3 and 4 which sleeves are rotatable so as to vary the distance between the shafts and therefore the pass of the rolls 36 secured thereto, by a left- and righthand screw and nuts 110, 102 and 104. Shaft 110 is rotated by a hand wheel 138 through bevel gears 132, 134, and gears 126, 124, 120, 118, and a graduated disc 140 is provided to indicate the angular displacement of the sleeves. The drive from shafts 30, 32 is transmitted to the roll shafts through bevel gears 52, 50, Fig. 3, the pairs of such gears for each stand having different ratios so as to impart gradually increasing rotational speeds to the work rolls to prevent sagging of the stock between the stands. The rolls can be mounted in replaceable cartridges, 66, Fig. 3, which are secured in a cartridge casing 54 by bolts 96. In a modification, the roll shafts 150, 152, and the intermediate drive shafts 162, 164 are contained in a common housing 142, Figs. 8-11. Shaft 162 is driven by a shaft 174 connected to a motor, and the eccentric sleeves 146 in which the roll shafts are journalled can be adjusted to vary the pass by a right-and left-handed screw 188, and nuts 180, 184.
Patent GB-1000450-A (GB)
Title: Improvements in or relating to composite logical circuit arrangements
IPC: H03K19/084
Filed: 1963-09-13
Abstract: 1,000,450. Diode and transistor logic circuits. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Sept. 13, 1963 [Sept. 17, 1962], No. 36155/63. Heading H3T. In a logic circuit comprising a two-stage diode gating circuit feeding a transistor, a resistor R9 is connected between the output of the second diode stage and a point of constant potential so that the input current of the transistor, when at a minimum flows through the resistor instead of through the diodes of the second stage. As described, diodes D 9  . . . D 14  and resistors R 5 , R 6  form a pair of OR circuits, the outputs of which are fed via an AND circuit comprising diodes D 15 , D 16  to a transistor inverter T 2 . The circuit is arranged so that zero voltage represents a binary 1 and a negative voltage represents a 0. It is shown that the inclusion of resistor R 9  as part of a potential divider R 8 , R 9  improves the ratio between input current to any one of terminals X 1 . . . X 3 , Y 1  . . . Y 3  and the base current when a signal is present at only one of the input terminals.
Patent GB-1398331-A (GB)
Title: Preparation of phosphoric acid by the wet process
IPC: C01B25/22
Filed: 1972-08-02
Abstract: 1398331 Wet process phosphoric acid; calcium sulphate dihydrate MONTECATINI EDISON SpA 2 Aug 1972 [3 Aug 1971] 36195/72 Heading C1A Phosphoric acid having a concentration of 31 to 35% by weight P 2 O 5  and CaSO 4 ,2H 2 O are prepared by treating phosphate rock with H 2 SO 4  and (NH 4 ) 2 SO 4  at 72‹ to 82‹ C., the ratio 1 + <SP>+</SP>: CaO being less than 1 and the proportion of (NH 4 ) 2 SO 4  being 8 to 15% of the stoichiometric quantity of H 2 SO 4  needed to precipitate all Ca present in the phosphate rock, the H 2 O content during treatment being maintained such that the weight ratio H 2 O : P 2 O 5  is 4 to 5À5. Preferably the H 2 SO 4  concentration is 74 to 98% by weight and the CaSO 4 .2H 2 O is separated from the product by filtration, washed and the washings recycled to the reaction steps so as to maintain the H 2 O : P 2 O 5  ratio at 4 to 5À5.
Patent GB-739231-A (GB)
Title: Improvements in or relating to screws for retaining wedges in tool handles to secure tool heads thereon
Inventor: NULAND GUTTORM
IPC: B25G3/28
Filed: 1953-12-30
Abstract: 739,231. Wedges; wood-screws. INTERESSEMTSKAPET SKAFTKILEN. Dec. 30, 1953, No. 36196/53. Class 89(2). [Also in Group XXIII] A split wedge 1, 1<SP>1</SP> for holding a tool head on a handle is retained in the handle by a screw having a neck 5 engaged by the wedge halves, a tapered threaded part 4 having opposed plane surfaces 6 and a substantially oblong-shaped head 7. The screw and wedge halves are driven into the handle with the head 7 lying across the halves, i.e. turned 90 degrees from the position shown. When fully home, the head is turned so that it lies along the split between the wedge halves and the threads are forced into the walls of the slot made by the wedge, to hold the wedge in the handle.
Patent GB-1282551-A (GB)
Title: A process for the manufacture of sheet material
Inventor: NEUMANN SALOMAN
IPC: D21H17/25
Filed: 1968-06-04
Abstract: 1282551 Starch complexes S NEUMANN 29 May 1969 [4 June 1968 30 July 1968] 26568/68 and 36284/68 Heading C3U [Also in Division D2] Starch is dissolved or suspended in water, and precipitated, preferably in the presence of fibres, by bringing the solution or suspension to a neutral or alkaline pH in the presence of a multivalent metal cation capable of forming an insoluble complex with starch at that pH. The multivalent metal may be magnesium, calcium, strontium, barium, zinc, aluminium or mixtures of these. The starch used may be pure starch, or a flour, e.g. of wheat, sago or tapioca. In the latter case, other materials such as gluten may be precipitated along with the starch. Alkylated, pre-galatinized, esterified or oxidized starches may be used. The starch may be dissolved by heating with water and thereafter precipitated by adding a solution of hydroxide of the complexing metal, or of a salt of the metal followed by an alkali-metal or alkaline-earth-metal hydroxide or ammonia. Alternatively, it may be dissolved by treatment with an alkali or ammonia, and precipitated by a hydroxide or salt of the complexing metal, with adjustment of pH if necessary. Preferably, however, it is brought into solution by treatment with a neutral or acidic compound of the complexing metal, and precipitated by adjustment of pH.
Patent GB-818220-A (GB)
Title: Improved apparatus for disintegrating, pulping or beating fibrous stocks
IPC: D21B1/34
Filed: 1957-11-22
Abstract: 818,220. Pulping fibrous materials by agitation &c. CAMPAGNANO, L. Nov. 22, 1957 [Nov. 24, 1956], No. 36402/57. Class 96. In disintegrating fibrous materials such as wood pulp, broke, or waste paper, the material is supplied to a tank F containing water &c. and circulated in two streams x and y which mingle as illustrated, the axially-directed stream y being the faster and comprising the coarser particles and being circulated by ribbed, spoonlike, sheet metal blades B on a rotor R, and the slower radially-directed stream x comprising the finer particles being circulated by horn-shaped blades A on the same rotor R, the blades A being of approximately D-section, the flat side of the D being on the pulp-propelling surface. There may be more than one such rotor in the tank F, and such a rotor may be fitted to other machines, e.g. to a beater. The or each rotor rotates about a vertical axis.
Patent GB-362156-A (GB)
Title: Improvements in direction indicators for bicycles and motor cycles
IPC: B62J6/00
Filed: 1930-12-03
Abstract: 362,156. Road vehicle signals. ZIMMERMANN, R., 48, Nauendorf, near Deuben, Thuringia, Germany. Dec. 3, 1930, No. 36460. [Class 118 (ii).] A manoeuvre signalling device for cycles and motor cycles comprises arms b, h each provided with a concave reflector m and a convex red cover glass a; mounted respectively at the front and rear of the vehicle. The front signal is rotatably mounted on a shaft f, Fig. 4, in a casing d fastened by a clip c to the steering column. The shaft f carries pulleys e, g, the latter being connected by Bowden cables i to a similar pulley on the shaft n of the rear signalling arm h for simultaneous movement. The pulley e is connected by Bowden cables to the operating pulley t, Fig. 3, which may be rotated in either direction through a pinion u and toothed sector v pivoted at w and integral with a manually operable lever x. The casing q may be mounted on and concentric with the usual warning bell y, Fig. 1. Reference has been directed by the Comptroller to Specification 214,753, [Class 118 (ii), Signals].
Patent GB-156140-A (GB)
Title: Manufacture of lubricating oils
IPC: C10G50/02
Filed: 1920-12-31
Abstract: Lubricating oils are obtained by passing a mixture of tar oil or pitch oil and superheated steam through a heated tube which is constricted so that the period for which the mixture is heated does not exceed half a minute.  The tube preferably contains catalysts. Suitable catalysts are carbon, silicic acid or its compounds with alkaline earth or heavy metals, and metals such as iron, aluminium, nickel, copper, zinc, tin and their alloys. Magnesium compounds give exceptionally good results.  In examples, mixtures of 100 lb. of tar or pitch oils, which may be previously neutralized, with 100-150 lb. of steam superheated to 300-400 DEG  C. are heated to 500-900 DEG  C. in an iron or ferro-silicon tube constricted by flattening to 1 to 3 mm.  Fractional distillation of the product yields lubricating oil and more volatile substances which may be used as substitutes for turpentine, benzine, or light tar oils.
Patent GB-813244-A (GB)
Title: Improvements in the bonding of fins to tubes, plates and the like
Inventor: PEPPER DONALD JOHN
IPC: B21C37/24
Filed: 1954-12-17
Abstract: 813,244. Making finned heat-exchanger tubes; brazing. FOSTER WHEELER Ltd. Dec. 12, 1955 [Dec. 17, 1954], No. 36610/54. Classes 83 (2) and 83 (4). In attaching fins to a basic element, a metal tube, plate or the like, the fins are disposed on the basic element in the position they are finally to occupy with spaced elements between them, brazing metal is disposed in confined spaces, each of which is bounded by a spacer element and the basic element or by at least one spacer element, the basic element and a single fin, and in communication with clearance spaces between the fins, the spacer elements and the basic element, and the assembly is heated to melt the brazing metal. In an embodiment radial copper fins 12, Fig. 1, spaced by copper rings 16 are arranged on a steel tube 10 and brazed by brazing metal wire in annular grooves 14 formed by recesses in one side face of the rings 16. In modifications a groove may be formed on each side face of the rings or one groove may be formed on the inner face of each ring (Fig. 3). Fins 12, Fig. 4, may be fitted on the tube to form with spacer rings 16 spaces 14 to house the brazing metal. The basic element may be of mild or stainless steel, the spacers of brass, copper or mild steel and the brazing metal may be silver solder. In making a heat-exchanger having a number of tubes joined together by a number of copper plates forming fins, the plates, drilled to fit the tubes with small clearance, e.g. 0.005 inch, are fitted on the tubes with mild steel or brass distance pieces also having clearance of 0.005 inch recessed as in Fig. 1 or on both side faces to hold silver solder wire. After coating the fins and distance-pieces with flux the assembly is clamped up and brazed. Specification 813,243, [Group XIIII, is referred to.
Patent GB-326766-A (GB)
Title: Improvements in gramophone records and the method of manufacture
Filed: 1928-12-14
Abstract: 326,766. Thornton, J. E. Dec. 14, 1928. Addition to 326,765. Compound sheet materials.-Gramophone records are made by applying a layer or layers of regenerated cellulose (obtained by precipitation from cellulose xanthate, as in the parent invention) to one or both sides of a sheet of paper material, and impressing sound-grooves into the cellulose face or faces. Preformed sheets of the cellulose may be cemented to the paper support or core, or the cellulose may be applied by coating the paper with cellulose xanthate in the form of a thick paste or in solution and then treating the coated sheet with an agent which precipitates the cellulose on to the support. The latter process may follow a preliminary preparation of the paper by treating it with a dilute solution of the xanthate, precipitating the cellulose therefrom, and drying. The cellulose may be chemically hardened, or may have incorporated therewith filling, colouring, flexing or other agents, as described in the parent Specification. Compound sheets comprising paper faced with regenerated cellulose as described above may be made either as single discs, or in large sheets or as continuous webs which are subsequently cut up.
Patent GB-363501-A (GB)
Title: Improved hair net
IPC: A45D8/40
Filed: 1930-12-09
Abstract: 363,501. Hair nets ; hair-waving appliances. BUTCHER, L. M., Midland Bank Chambers, Everard Road, Rhos-on- Sea, Denbighshire. Dec. 9, 1930, No. 37166. [Class 131.] A hair net a for use during permanent waving to retain the waves in position after setting, is made from pliable wire, which may be covered with silk or like material, the wire being of such a thickness that it provides a semi-rigid structure which can be crimped into shapes to which the hair must conform. The net is formed at its lower edge with a number of extensions d which can be used for curling the ends of the hair.