baber/WOPTO huggingface dataset:
Patent GB-939318-A (GB)
Title: Method for the manufacture of alkali metal polyphosphate compositions
IPC: C01B25/42
Filed: 1960-12-20
Abstract: <PICT:0939318/III/1> Alkali metal polyphosphates are produced by heating a fluidized bed of a feed material containing alkali metal and phosphate components having a molar ratio of M2O:P2O5 of 1,667 to 2,0, where M is an alkali metal preferably sodium or potassium, at a temperature of 200 DEG  to 620 DEG C. and for 0,2 to 10 hours, to produce one or more alkali metal polyphosphates of bulk density 26 to 70 lbs. per cubic foot, the product containing at least one of M4P2O7 and M5P3O10 and having an overall M2O:P2O5 ratio the same as that selected for the feed.  Fig. 4 shows a typical single bed reactor which may be used to produce the polyphosphates.  The dry feed is fed to the fluid bed reactor 19 by the screw-type feeder 1 and hot gases enter the reactor at the windbox 13 and pass upward through the bed plate 17 into the fluidized bed 2; 14 and 15 being manometers and thermocouples respectively.  The cooler gases rising out of the bed pass from the freeboard section 18, via outlet 4, to dust collector 8 from which particles are either returned to the bed or withdrawn at 10.  Product materials are discharged through a series of conduits 5, 6 and 7.  If liquid feed is used this is sprayed from spray 20.  Many combinations of series and parallel beds may be used to dry, convert and cool the products of the invention.  Mono- and dialkali metal orthophosphates and mixtures thereof are suitable feed materials or equivalent mixtures of various phosphate and alkali metal components may be used. Mixtures of H3PO4, MOH, M2CO3, HPO3, MCI, H4P2O7, MH2PO4, M5P3O10, M2HPO4, MPO3, M4P2O7 and M2H2P2O7 can be employed as sources of phosphate and metal, where M is an alkali metal, preferably sodium or potassium.  For a dry feed process very fine milling, at least 50% through 325 mesh (U.S. standard sieve), is desirable; and for a liquid feed a solution containing 30 to 60% water is used.  In Example 1 the starting bed is sodium tripolyphosphate containing 10% tetrasodium pyrophosphate and the dry feed is Na2HPO4, NaH2PO4, NaH2P2O7 and Na4P2O7 and in Example 3 the dry feed material is mainly Na5P3O10.  In examples 4, 5, 6 and 8, the bed materials are Na4P2C7, the product of Example 3, Na5P3O10 respectively and the dry feed materials are Na2HPO4, sodium orthophosphates, mainly Na5P3O10 and sodium orthophosphates respectively.  In Example 9 a solution containing 50% by weight of water and the remainder mainly sodium orthophosphates is used as feed.
Patent GB-1335340-A (GB)
Title: Motor vehicle frames
IPC: B62D19/00
Filed: 1972-09-21
Abstract: 1335340 Vehicle frames GENERAL MOTORS CORP 21 Sept 1972 [27 Sept 1971] 43805/72 Heading B7B  A longitudinal frame of a vehicle has forward, rearward, and central regions, the forward and rearward regions having weakened areas a providing lower compressive stiffness compared with the stiffness of the central region, the weakened areas being provided by areas at which longitudinal portions are not connected to one another. Impact forces P cause the weakened areas, provided by interruptions, in the. spot welds 14, to deform as at 15 and 16 to absorb the impact forces, while a central region remains undeformed. The weakened areas may be offset longitudinally, Fig. 5 (not shown), or directly above one another Fig. 6 (not shown).
Patent GB-1208607-A (GB)
Title: Harvester for rows of beets or other root crops
Inventor: VISSERS HERBERT
IPC: A01D25/04
Filed: 1967-09-26
Abstract: 1,208,607. Root crop harvesters. LANDBOUWWERKTUIGENEN MACHINEFABRIEK H. VISSERS N.V. 26 Sept., 1967 [29 Sept., 1966], No. 43812/67. Heading A1F. A root crop harvester includes a travelling frame carrying a lifter for a row of roots, said lifter comprising two ground penetrating lifting members 10 reciprocable relative to each other, a gate 16 pivotally mounted on an axis 17 so as to be raised by roots received in the lifter, and abutment means provided to limit the down swing of the gate to prevent roots passing the gate in the direction of travel of the frame. Relative reciprocation of the lifting members 10 is effected by eccentrics 5 driven via shaft 4, 6. The gate comprises two L-shaped rods which are pivotally mounted on a holder 15 and which abut a portion 18 of the holder 15. The holder may be variable in length. A housing 1 on which the lifter is pivotally mounted is mounted for movement transversely of the harvester on four arms 21. Reference has been directed by the Comptroller to Specification 1,126,893.
Patent GB-1173689-A (GB)
Title: A Tool Holder including a Device for Locking a Cutting Insert Onto the Body of the Tool Holder.
IPC: B23B27/16
Filed: 1967-09-26
Abstract: 1,173,689. Cutting tools. SOC. INDUSTRIELLE D'ELECTRO - METALLURGIE. 26 Sept.. 1967 [10 Oct., 1966], No. 43866/67. Heading B3T.  A cutting tool comprises a holder 1 and a cutting insert 5 which mounted on a seating member 4 in a recess 2 at the end of the holder, the insert being clamped in the tool holder recess by a pivotable pin 12 located in a bore 6 in the base of the recess and which extends through bores 10 and 9 in the seating member and insert respectively. The pin is pivotable about a shoulder 12c thereon within the bore 6 by means of a conical-ended screw which co-operates with an inclined face 12e on the bottom of the pin to effect the clamping and releasing action. Locating means is provided on the pin in the form of a spring member 15 extending longitudinally of the pin and secured thereto which engages in a groove 7 in the holder to prevent rotational displacement and to permit spring releasing of the pin when the screw pressure is released.
Patent GB-1057577-A (GB)
Title: Melting furnace for the production of steel and method of operating the furnace
IPC: C21C5/56
Filed: 1964-10-28
Abstract: <PICT:1057577/C6-C7/1> Furnace plant for melting and refining steel comprises a melting chamber 1 fired by one or more oxygen burners 8 having a sloping hearth 3 covered by a layer of coke and a launder 15 feeding a tiltable electric arc refining chamber 2 with electrodes 9. Other known refining methods, e.g. open hearth or oxygen top-blowing may be used.  Charging is incremental and refining is conducted at the same time as melting, the refined metal being tapped off at suitable intervals. Excess of oxygen supplied through burners 8 ensures combustion of Co - containing gases issuing for refining chamber 2.  In a modification, Fig. 1 (not shown), the melting and refining chambers are integral.
Patent GB-1179107-A (GB)
Title: Securing a Tube in an Opening in a Metal Plate.
Inventor: ROBINSON JAMES ALAN
IPC: B23K20/08
Filed: 1966-10-03
Abstract: 1,179,107. Welding by pressure. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 2 Oct., 1967 [3 Oct., 1966], No. 44148/66. Heading B3R. In securing a metal tube in an opening in a metal plate the outer surface of the tube or the wall defining the opening in the plate is shaped with a change of transverse dimension over a portion of small axial length compared with the axial length of the wall and the tube is positioned in the opening so that part of the outer surface of the tube on one side of the shaped portion and a part of the wall are in spaced parallel relationship, an explosive charge being detonated in the tube to weld the tube to the part of the wall opening. In one embodiment a mild steel steam condenser tube plate 1, Fig. 1, has an opening 2 therein which is counterbored over the major part of the plate thickness, the end of the counterbored part being tapered at 4 over a short length. A mild steel tube 3 having the same diameter as the minor part of the opening is positioned in the hole and a charge 5 of Trimonite powder of low detonating velocity in a plastic moulding is located in the tube and fired by a detonator to weld the tube to the opening. In a modification, an outwardly extending ridge 6, Fig. 2, is formed on the tube 3 to space the tube from the wall opening prior to detonation of charge 5. In another embodiment the tube is provided with a reduced diameter, by rolling or swaging, with a tapered part connecting the reduced portion and the remainder of the tube. During the explosion the part of the tube spaced from the wall opening on one side of the portion of changed transverse dimension is thrown into contact with the wall to effect welding, the expansion movement moving towards or away from the change of dimension at a velocity which is less than the velocity of sound in the material of the tube plate. For a short weld a high detonating velocity charge may be used.
Patent GB-1481737-A (GB)
Title: Adjustable door stop
IPC: E05C17/44
Filed: 1974-10-11
Abstract: 1481737 Adjustable door stop DORMABAUBESCHLAG GmbH & CO KG 11 Oct 1974 [11 Oct 1973 11 Sept 1974] 44155/74 Heading E2X An adjustabe door stop 12, adapted to be fitted on a lower marginal part of a door 11, has a member 19, 27 movable into an operating position to engage the floor 31 against spring-loading acting in the return direction, locking means to lock the member 19, 27 in the operating position, and an electro-magnet 32 to retain the locking means in a locking position. As shown, the member 19, 27 is formed of an upper stud portion 19, which is slidable through an opening in a top wall 18 of a rectangular housing 13 which is open at one side face, an intermediate toothed portion 22 and a cylindrical lower portion 23 which has a pin 24 which works in a slot 25 in a sleeve 27. The latter is connected to a pressure foot 26, is slidable through an opening in the base 17 of the housing, and accommodates a compression spring 28 which is constrained between the portion 23 and the foot 26. The pin 24 bears upon a washer 29, and a spring 30 is compressed between the bottom wall 17 of the housing and the washer 29. A bell-crank locking element 36 is pivotally mounted on a bearing pin 39 which engages in a slot 43 in a spring-loaded stop element 42 which is slidably mounted within the upper arm 38 of the bell crank element 36 and which has a nose 44 which is adapted to engage the teeth 22. The other bell crank arm 37 forms an armature which is urged, by a spring 45 bearing upon the upper arm 38, to engage an electro-magnet 32 secured to the housing wall 16, Fig. 1. The electro-magnet is supplied by leads from a terminal block 33 by way of a switch 34. having an actuating member 35 which interrupts the supply of electric current when depressed. In use, when the head 20 of the stud 19 is depressed the foot 26 moves downwardly in unison as the stop nose 44 moves ratchet-wise over the teeth 22. When the foot 26 meets the floor 31 the portion 23 moves downwardly into the, now stationary, tube 27 to compress the springs 28, 30 until the pin 24 abuts the bottom of the slot 25 and the stop element 42 engages a tooth 22 to lock the member 19, 27 in its operative position. The stop is released by pressing the member 35 to open the switch 34 and de-energise the electro-magnet 32 so that the springs 28, 30 are able to force the plunger upwardly as the bell crank 36 tilts to a position where the arm 27 abuts a stop 46 and the stud 19 returns to its uppermost position, the locking element 36 returning to its initial position Fig. 1, under the influence of the spring 45 and the re-energised electromagnet. In a generally similar arrangement, Figs. 5, 6 not shown, release of the stop is accomplished by pressing a spring-loaded wedge-slide (58) into engagement with a nose on the upper end of a spring-loaded, armature carrying-locking lever (85) to move the armature away from the electro-magnet (83) so that springs (74, 78) can raise the plunger into its upper, inoperative, position. The housing, Fig. 1, may be covered by a cap 49.
Patent GB-1414219-A (GB)
Title: Engine with automatic control in accordance with speed
IPC: F02D1/12
Filed: 1973-09-20
Abstract: 1414219 Speed governors VICTA Ltd 20 Sept 1973 [20 Sept 1972] 44299/73 Heading G3B [Also in Division F1] A hollow probe 11 on a vane 4 in the path of the air-flow from an impeller 1 driven by an I.C. engine is connected to a pressure sensitive device, e.g. including a spring-biased diaphragm, which regulates engine operation, e.g. ignition timing or engine speed. The vane 4 may be angularly adjustable and the end 13 of the probe 11 positioned to provide a pressure which varies above or below atmospheric pressure in accordance with engine speed. The air-flow may provide engine cooling.
Patent GB-1286326-A (GB)
Title: Improvements relating to wall structures for the practise of ball games
IPC: A63B69/00
Filed: 1969-09-09
Abstract: 1286326 Practice wall structure TRANLY WALLS & MINI COURTS (PTY.) Ltd 9 Sept 1969 [18 Sept 1968 24 March 1969 27 June 1969] 44394/69 Heading A6D A practice wall structure for tennis or similar games is curved in both horizontal and vertical directions to provide a concave rebound surface which also includes formations which are indented and/or in relief relative thereto. In the embodiment shown in Fig. 1, formations 3 each comprising four faces 3b, 3c, 3d, 3e are provided above the line 4 of a net 5 permanently marked on or attached to the wall structure. The wall structure may be composed of several hinged sections and comprises a skin member (6) of fibre glass which may have a backing member spaced from it by a filler layer of cellular polyurethane. In the embodiment shown in Fig. 5, the wall is built from blocks which are tapered from their rear to their front faces and comprises blocks 21 whose front faces are flat and blocks 22 whose front faces have projecting formations 22b. The practice wall structure may form part of a court.
Patent GB-1062336-A (GB)
Title: Improvements in or relating to sequencing arrangements for reclining chairs of the multiple type
IPC: A47C1/034
Filed: 1963-11-13
Abstract: 1,062,336. Seats. A. LORENZ. Nov. 13, 1963 [Dec. 3, 1962], No. 44844/63. Heading A4J. A reclining chair has a seat 24 and a back-rest continuously constrained by a four-bar linkage to move along a first path from an upright to an intermediate tilted position and to move along a second path from this intermediate position to a fully reclined position. The four-bar linkage includes a pair of support links 35, 37 pivotally connected at spaced points 41, 45 to a support member 12 and a connecting link 39 pivotally connected at 43, 47 to the links 35, 37 and at 40 to the seat 24. The support member 12 forms the fourth bar of the linkage.
Patent GB-1068578-A (GB)
Title: The preparation of thiazole alcohols,aldehydes and carboxylic acids
Inventor: KOLLONITSCH JANOS
IPC: C07D277/24
Filed: 1964-11-04
Abstract: Thiazole carboxylic acids are prepared from the corresponding monohalomethylthiazole by conversion to the hydroxymethylthiazole by treating with sulphuric, phosphoric, hydrochloric or hydrobromic acid in an aqueous medium followed by oxidation to the acid; or from the corresponding dihalomethylthiazoles by hydrolysis to the aldehyde followed by oxidation to the acid.  The intermediate alcohol and aldehyde may be isolated if desired or the oxidation may be carried out in situ using nitric acid in the presence of sulphuric acid. Examples describe the preparation of 2,4- and 5-hydroxymethylthiazole and 2,4- and 5-thiazole aldehydes and their oxidation to the corresponding acids.  The products are used as intermediates in the preparation of 2-thiazolyl benzimidazoles which are active anthelmintic agents.
Patent GB-1091305-A (GB)
Title: Improvements in feeding apparatus for endless conveyor systems
IPC: B65G47/50
Filed: 1965-10-26
Abstract: 1,091,305. Sorting by conveyers. BAGSHAWE & CO. Ltd. (Speaker Sortations Systems Inc.). July 25, 1966 [Oct. 26, 1965], No. 45237/65. Heading B8A. Two loading conveyers 6 feed a parcel sorting conveyer having a succession of trays 1, each loading conveyer having two indicators 12, 14 which signal the arrival of an unloaded tray 1 at a delivery plate 11 adjacent the loading conveyer. The sorting conveyer is of the tilttray kind whose discharge is controlled by a push-button code selector 4, as described in Specification 894,410 (Division B8). A parcel from a shoot 7 is " faced " by a loader 13 for observation by a despatcher 5 but is not released until the indicator 12 is operated, the parcel then being halted by the despatcher until the indicator 14 operates. The despatcher then actuates the code selector 4 and releases the parcel for transfer to empty tray 1. The indicators may be actuated synchronously or there may be a time interval between their actuations.
Patent GB-1492629-A (GB)
Title: Rotary sliding vane pumps
IPC: F01C1/34
Filed: 1975-11-03
Abstract: 1492629 Rotary positive-displacement fluid machines SUNDSTRAND CORP 3 Nov 1975 [14 Jan 1975] 45624/75 ,Headings F1A and F1F A rotary sliding vane pump has a vaned rotor 12 in a casing defining, as shown, a two-lobed chamber 11 having main inlet ports 30, 31 and outlet ports 35, 36, and auxiliary inlet ports 55, 57 which communicate with each working chamber via passages 50, 51 in the rotor to ensure filling of each working chamber. The inlet and outlet ports are located in side-plates 25, (26), the latter of which is pressure-loaded by outlet fluid-pressure Fig. 2 (not shown). The passages 50, 51 which are adjacent the trailing edge of each vane 20 terminate at the axial centre of each working chamber. The circumferential extent of the auxiliary inlet ports 55, 57 is greater than that of the main ports 30,-31. The vanes 20 also act as radially-inwardly acting reciprocating pistons, the inner ends of the vane slots communicating with inlet ports 40, 41 and outlet ports 42, 43 in side-plates 25, (26).
Patent GB-1270149-A (GB)
Title: Plasticizing and working machine
Inventor: HENDRY JAMES WATSON
IPC: B29C48/285
Filed: 1969-09-17
Abstract: 1,270,149. Plasticizing apparatus. SUNDBORG MACHINES CORP. 17 Sept., 1969 [11 Oct., 1968], No. 45833/69. Heading B1C. [Also in Divisions B4 and B5] Plasticizing apparatus, see Fig. 3, comprises a barrel 31, a ram 46 for forcing particulate plastics material fed through opening 42 into the barrel, and a rotor 50 for working the plastics material prior to its discharge through port 43, the rotor having a tapered portion 51 which diverges in the direction of material flow and a working portion 52 which comprises a plurality of axially spaced ridges and grooves. The tapered portion may be provided with ribs arranged either in curved manner, Fig. 7 (not shown), or parallel to the axis of the rotor. The tops of the ridges and the bottoms of the grooves may be rounded as shown; alternatively, some of them may be flat, Figs. 6, 8 (not shown). Slots or vanes may be formed in or on and/or between the ridges to improve flow, Figs. 9, 13 (not shown). The ridges may progressively increase in diameter in direction of material flow to narrow the gap between rotor and barrel wall, Fig. 5 (not shown). Alternatively, the ridges may be of the same diameter and the bore of the barrel may be tapered in converging manner.  In a modification, see Fig. 10, the plasticizing apparatus comprises a barrel 111, a ram 169 for forcing plastics material into the barrel through opening 127, 128, and a rotor 112 having a tapered portion 137 and working portion 139 as described above, and a ram portion 131, the rotor being both rotatable and axially reciprocatable. The barrel may be heated by devices 172 and provided with cooling passages 171 adjacent the material inlet. Plasticized material may be forced through passage 121 to an injection-type mould, an accumulation chamber, or an extrusion device. In a further modification, the axially spaced ridges and grooves may be on the wall of the barrel and the working portion of the rotor may be smooth.
Patent GB-1208059-A (GB)
Title: Improvements in or relating to ball-and-socket type connections
IPC: E21D17/10
Filed: 1968-09-27
Abstract: 1,208,059. Ball-and-socket connection for mine props. GEWERKSCHAFT EISENHUTTE WESTFALIA. 27 Sept., 1968 [14 Dec., 1967], No. 45977/68. Headings E1E and E2F. A ball-and-socket connection e.g. between a bar and a support prop of a mine roof support comprises a ball part 3 mounted at the upper end 7 of the support prop, a socket part 6 attached to the bar 1 and shaped to receive the ball part, and at least one leaf spring 10 attached to the bar so as to force the ball part against the socket part. Preferably a stack of plate springs passes through an aperture 9 in the ball part.
Patent GB-1285731-A (GB)
Title: Catalytic detector
Inventor: ANDREATCH ANTHONY JOHN
IPC: G01N27/16
Filed: 1969-09-18
Abstract: 1285731 Analysing gases electrically A J ANDREATCH 18 Sept 1969 [30 Sept 1968] 46138/69 Heading G1N A resistance catalyst sensor for measuring the carbon monoxide and/or hydrocarbon content of a gas mixture comprises a tungsten filament coated with a mixture of oxides of copper, cobalt, manganese and silver and cement. The sensor 23 Fig.1, is supported in a conduit 11 fed with the gas mixture, together with an ambient temperature compensating sensor 27, treated in an aluminium or stainless steel block 10 also housing a heating element 14 and a thermostat 15. Upstream of the sensors 23, 27 the conduit 11 is packed with aluminium mesh 30 to ensure that the gas is heated to the desired temperature before it reaches the sensors. The tungsten wires are connected in a bridge circuit whose unbalance indicates the change in resistance of element 23 due to oxidation of the carbon monoxide and/or hydrocarbon content of the test gas mixture, depending on the basic temperature of the block 10, in the presence of the catalyst material, and the bridge water is calibrated accordingly. The pipe line may contain a removable filter for the hydrocarbons. The catalytic material covering the tungsten wire may alternatively be vanadium pentoxide used at above 750‹ F., when it is insensitive to carbon monoxide and also hydrogen, and can be made selective to different hydrocarbon classes. The apparatus is for use in analysing the exhaust of I C engines, or with a gas chromatograph.
Patent GB-1133011-A (GB)
Title: Press for extruding masses in the plastic state
IPC: H05B6/60
Filed: 1965-11-02
Abstract: 1,133,011. Dielectric heating electrodes. TESLA NARODNI PODNIK. 2 Nov., 1965 [10 Nov., 1964], No. 46304/65. Heading H5H. [Also in Division B5] The exposed conductive surfaces of at least two electrodes 30 projecting into a dielectric heating chamber of an extrusion press are specially profiled to produce a uniform heating field. Arrangements described (Figs. 1 to 10, not shown) comprise up to eight electrodes, those with more than two electrodes being connected to a multi-phase supply. Pairs of electrodes may be of different sizes, and a conductive or insulating mandrel or mandrels may be arranged along or around the longitudinal axis of the chamber. Suitable electrode profiles are defined with reference to the instantaneous equipotential surfaces produced by two hypothetical electrodes located on, and having a contour corresponding to, the periphery of the heating chamber. The transverse section (Fig. 16, not shown) of a suitable profile lies between surfaces representing 10% and 40% of the maximum instantaneous value of the applied potential, and the longitudinal section (Fig. 17, not shown) lies between surfaces representing 5% and 40% of that value. The heating chamber may be tapered instead of cylindrical, and the longitudinal axes of the electrodes may not be parallel to the longitudinal axis of the chamber, e.g. they may follow helical paths.