baber/WOPTO huggingface dataset:
Patent GB-966925-A (GB)
Title: Battery oxide product and method and apparatus for making same
IPC: H01M4/57
Filed: 1962-02-14
Abstract: A battery oxide product consisting of a mixture of at least 38% by weight of metallic lead particles which are flat in shape with an average thickness of 1-1.5 microns, and finely divided lithage of which 5-15% in the orthorhombic form and the balance in tetragonal crystal form, and having an acid absorption of at least 180 and an average density of 18-22, is produced by introducing a stream of air into the lower portion of a modified Barton oxide pot just above the stirrer, feeding molten lead into the pot in a continuous stream at a sufficiently low rate to maintain the pot temperature below the melting-point of lead, vigorously agitating the pot contents while directing said contents against a large fixed baffle, carrying off the product from the pot through an elongated uptake, and returning, <PICT:0966925/C1/1> by virtue of the dimensions of the uptake, the larger heavier particles to the pot for further oxidation.  Molten lead is introduced into the pot 25 via lead 15 and lip 31, the heat under the pot is then turned off and the stirrer 12 is started rotating and the suction fan is turned on. Each time one arm of the stirrer 12 comes around it throws the load of the pot violently against the baffle 23 which causes the material in the pot to be broken up into very fine particles.  The flow of air from the inlet 16 through the pot and out through the uptake 17 serves three different functions.  It supplies the oxygen needed to oxidize lead to lead oxide; it acts as a conveyer to carry the product out of the pot, through uptake 17 to settling chamber 18; and it exerts a substantial cooling effect on the pot and its contents.  Although the operation is started with molten lead the mass of material in the pot is soon converted to a dross which is maintained in the oxide pot throughout the operation by means of the particle-size classification system provided by the operation of the uptake 17, whereby larger over-size particles are returned to the pot for further oxidation and size reduction and the desirable size particles are recovered in the settling chamber 18.  U.S.A.  Specification 2,235,487 is referred to.
Patent GB-661689-A (GB)
Title: Improvements in or relating to apparatus for carrying out electro chemical analysis
Inventor: SMITH GEORGE STANLEY
IPC: G01N27/48
Filed: 1949-03-01
Abstract: 661,689. Polarographic apparatus. NATIONAL RESEARCH DEVELOPMENT CORPORATION. March 1, 1949, No. 5634/49. Class 37. Apparatus for carrying out polarographic analysis comprises a cell with a renewable cathode connected through a liquid junction to an external anode and means for establishing the liquid junction with the external anode combined with means for supplying the liquid under examination to the cell. In Fig. 1, taps T4 and T5 are operated to produce test solution from K into cell A and a continuous column of the test solution in tube J and liquid junction side tube L. To remove oxygen a stopper of the capillary electrode I is inserted and nitrogen gas is passed through tube C which reaches to the bottom of cell A; the gas escapes through outlet tube H and tap T8. The capillary electrode I is then inserted, tap T8 is turned to block escape of gas and T5 turned so that excess pressure in the cell A drives some of the test solution up through J and out through tube M and tap T3 thus ensuring that de-oxygenated solution is present in J. Tap T7 is then turned so that nitrogen passes through tube O and over the surface of the test solution and out through the barrel of tap T8. To establish the liquid junction with the external calomel electrode P the stopper in the anode liquid-3.5 M potassium chloride-reservoir O is removed and tap T5 turned so that a column of the dense potassium chloride rises slowly in tube L and forms a liquid junction S. Tap T6 is then turned off and the stopper of O inserted; tap T5 is fully opened and left so until the polargram has been taken. Instructions are given covering emptying and washing the cell A and determining and drop weight or rate of flow of the mercury. A thermostatic water bath B surrounds the cell A. Instead of using a dropping mercury electrode as the renewable cathode, a jet electrode, a stationary renewable electrode or a rotating electrode may be used. It is stated that the apparatus may be adapted for the analysis of very small volumes of a liquid by extending the capillary electrode I into the stem of the cell and utilizing the two-way tap T1 for introducing mercury and forming a small mercury anode at the base of the cell stem.
Patent GB-1165265-A (GB)
Title: Secondary Seals for Tanks with Floating Roofs
Inventor: CHALLENGER KENNETH DAVID
IPC: B65D88/46
Filed: 1967-02-06
Abstract: 1,165,265. Seals for floating roofs. HELMERICH & PAYNE, Inc. 6 Feb., 1967 [9 Feb., 1966], No. 5643/67. Heading E1T. A secondary seal for the floating roof of a storage tank consists, of a flexible member 40 which is shaped as shown and provided with spring means 80 to ride over weld spots in the tank, opposed grooves 47, 48 to accommodate a stiffening member, a groove 41 for positioning purposes and a groove 43 to receive a clamping insert. For modified forms of spring means Figs. 5-8 (not shown), should be referred to.
Patent GB-765536-A (GB)
Title: Organic carboxy compounds
IPC: C07C51/093
Filed: 1955-02-25
Abstract: Dicarboxylic acids are produced by the hydrolysis of a chloronitrile of formula Cl3C. CH2(CH2)nCN, n being at least 1, with sulphuric acid, with intermediately the production of an omega-trichlorocarboxylic acid or amide.  In examples, 1 : 1 : 1 : 5 - tetrachloropentane, 1 : 1 : 1 : 9-tetrachlorononane are each converted into the trichloro alkane-omega-nitrile by the action of alcoholic sodium cyanide, and the products on treatment with concentrated sulphuric acid give the corresponding adipic, suberic and sebacic acids.  Trichlorocapramide Cl3C(CH2)4 COnH2 is obtained as a by-product in one case.
Patent GB-319751-A (GB)
IPC: G04B21/02
Filed: 1929-02-22
Abstract: 319,751. MacIntosh, C. A. G., (Assignee of Palmtag, J.). Sept. 29, 1928, [Convention date]. Striking - mechanism. - Relates to means for locking the quarter stroke works in the warning position (when synchronism is not correct), such locking means being released only by the 4/4 section of the releasing sprocket wheel, which is higher than the other three. The releasing sprocket wheel 5, which rotates with the minute hand, has four sections, one of which 4, higher than the others. operates the lever 7 pivoted at 6, on the edge 7' of which rests the lever 8 pivoted at 9. The latter is bent at right angles at its end 18 and on this bend rests the lever 20 which is also pivoted at 9. The ends 19, 21 of levers 8, 20 respectively are also bent at right-angles to the plane of the levers, and at the correct times lock a pin 23 on a wheel shown dotted of the striking works. As is known, a stud 22 on lever 20 is arranged to fall into the slots of the locking plate 14 which besides its four usual slots 10 - - 13 has a pin 15. A catch 17, with a notch 24 is pivoted about pin 16 and is fitted with a spring urging it towards the boss 14<1>. When a section of the wheel 5 operates lever 7, levers 8 and 20 are simultaneously lifted, causing projection 21 to rise to release the stud 23, which, travelling until stopped by the projection 19, Fig. 2, operates the warning. On further rotation of sprockets 5, lever 7 is released, and lever 8 and its projection 19 drop. The pin 23 of the striking mechanism then rotates giving the necessary number of quarter strokes, until the pin 22, which has been raised during the warning, drops into the next slot of the locking plate 14, when said pin 23 rotates as far as the projection 21 thus stopping the striking. During the 4/4 warning, the pin 15 moves from the position shown in Fig. 1 until it is held by the notch 24 in catch 17. As the 4/4 section 4 rotates further, the lever 8 and thus catch 17 are raised sufficiently high to release the pin 15, the catch 17 thus swinging against boss 14<1>. In this manner locking is broken, and as lever 7 falls when sprocket wheel 5 has rotated further, the four strokes are effected. If an irregularity occurs, such as quarter strokes not synchronizing with the hands position, the striking will occur until the components attain positions as in Fig. 1, when the striking mechanism is locked by the notch 24 on pin 15, said lock being maintained until section 4 of wheel 5 releases it, when the 4/4 strokes again are in synchronism with the, 4/4 position of the hands.
Patent GB-780817-A (GB)
Title: Improvements in or relating to circuit arrangements for photo-electric multiplier cells
Inventor: SIEBER PETER WILLIAM
IPC: H03C1/34
Filed: 1955-02-28
Abstract: 780,817. Modulating systems. MUIRHEAD & CO., Ltd. Dec. 1, 1955 [Feb. 28, 1955], No. 5882/55. Class 40 (5). A carrier frequency applied at terminals 8, 10 is modulated in amplitude according to the intensity of illumination of the cathode 7 of a photo-multiplier tube 1 in such a way that the modulating signal does not appear at the modulated carrier output terminals 9, 10. The carrier is fed to the primary P1 of a transformer TR1, the anti-phase secondaries S1, S2, of which are connected in the circuits of two similar anodes 6b, 6a, respectively, which also contain respectively the primaries P3, P2 of the output transformer TR2, the secondary S3 of the latter being connected to the terminals 9, 10. The steady H.T. currents in the two anode circuits are manually balanced by potentiometer RV3. Any residual carrier signal at the output terminals when cathode 7 is unilluminated is removed by feeding carrier thereto, from the network R7, RV4, RV5, R8, C1 of the appropriate amplitude and phase to cancel out said residual carrier. The amplitude is adjusted by potentiometer RV4 and the phase by potentiometer RV5. In another embodiment the final dynode of the multiplier tube is used as one output electrode and the anode as the other, Fig. 1 (not shown).
Patent GB-414985-A (GB)
Title: Improvements in and relating to the springing of wheels more particularly for motor vehicles
IPC: B60G11/18
Filed: 1934-02-23
Abstract: 414,985. Vehicle spring suspensions. PORSCHE GES., DR. ING. H.C.F., 24, Kronenstrasse, Stuttgart, Germany. Feb. 23, 1934, No. 5957. Convention date, Feb. 27, 1933. [Class 108 (ii).] In vehicles having swinging half axles controlled by torsion springs not arranged in the theoretical axis of oscillation the torsion springs are connected by means of a universal joint with the swinging struts of the half axles, the universal joint having freedom of motion in directions other than that required to apply torsion to the spring. Figs. 1, 2 and 3 show an arrangement of the half axles 2, 2<1> with their swinging struts 2<a> connected to universal joints on the ends of torsion springs 8, 8<1>. One end of the spring 8 is engaged by means of flutings 18 with a bearing journal 16 while its opposite end is engaged by means of flutings 18<1> with a fixed part on the frame 7<a>. The other spring 8<1> is arranged similarly but in opposite direction. The end of the journal 16 comprises a fork 33 a similar fork 38 being arranged on the end of the strut 2<a> and these forks are connected pivotally by means of a cross piece 36 pivoted to the fork 33 by a pin 34 and to the fork 38 by two pins 40, 40<1>. Consequently only that part of the movement of the strut 2<a> about the axis B of the spring produces a torque in the spring 8 the other parts of the movement about the axes C or D being unrestrained. Figs. 4 and 5 show another form in which the half axles are carried by a central frame 7. The rear ends of the springs 8, 8<1> are secured in journals 16 by flutings the journals having an enlarged spherical part 41 and a cylindrical member 42 with spherical ends. Consequently that part of the movement of the strut 2<a> about the axis B of the spring only produces a torque of the spring the remaining parts of the movement being free and unrestrained.
Patent GB-1262562-A (GB)
Title: Tuning device for high-frequency communication apparatus
IPC: H03J1/06
Filed: 1969-02-04
Abstract: 1,262,562. Adjusting pivot members releasable fastenings. HOPT ELECTRONIC G.m.b.H. 4 Feb., 1969 [7 Feb., 1968 (2)], No. 5980/69. Headings E2A and E2F. [Also in Divisions F2, G1, G2, H1 and H3] In a tuning device for television receivers having a plurality of switch rods 13, 13' arranged in two parallel rows and a tuning spindle 9, 9' associated with each switch rod, each of the switch rods is displaceable in the longitudinal direction to effect connection of a tuning element 10, 10' associated with the respective tuning spindle 9, 9' and a rocker member 32 is pivotally connected to a switch rod 13 in one row and to an oppositely located switch rod 13' in the other row, so that tilting of the rocker member 32 in one direction or the other effects longitudinal operative displacement of one or other of the switch rods. The tuner may have a synthetic resin housing 1-5 with resistance tracks 11 on a central part 4 which cooperate with sliders 10 to form potentiometers providing pre-set tuning voltages for a capacitance diode tuning circuit. The central part 4 with the resistance tracks 11 may be removable from the rear of the housing for servicing. On pressing rocker button 32 it pivots about the latched switch rod 13 to push switch rod 13' in. Projections 24 engage arms 23, (Fig. 1) of a locking slider 22 and move it to the left against a spring 25 so as to release switch rod 13 and latch switch rod 13'. The outward movement of switch rod 13 disengages spring blade contact 12 from the spindle 9 and the inward movement of switch rod 13' engages spring contact 12' with the spindle 9' so as to connect the second potentiometer 10' in circuit. The switch rods are returned by springs 15 and a central rib portion 33, 34 of the button prevents both switch rods 13, 13' from being pressed in together. The pivoting connection at the end of each switch rod 13, 13' consists of a transverse rib 35 pivotally mounted by bearing pins (36 Fig. 4, not shown), which engage slots (37, 38) in the side walls of the rocker button 31. When a switch rod has been selected as rod 13, Fig. 3, the tuning potentiometer slider 10 may be adjusted since bushes 46, 47 allow spring 44 to bias crown wheel 43 into mesh with a pinion 41 which is coupled via gearing 48-51 to a tuning adjuster wheel 52. The position of the potentiometer slider selected may be indicated by a meter 53 or a spring band indicator (62, Figs. 5-7, not shown), arranged within the rocker button 32. The rocker button pressed may be illuminated by light guide arrangements (Figs. 8-11, not shown).
Patent GB-1196462-A (GB)
Title: Improvements in or relating to Natural Draught Cooling Towers
Inventor: HARRIS PETER JOHN
IPC: F28B1/06
Filed: 1967-02-08
Abstract: 1,196,462. Cooling towers. GKN BIRWELKO Ltd. 31 Jan., 1968 [8 Feb., 1967], No. 6007/67. Heading F4S. The heat exchange elements of a dry-cooling tower 10 are arranged at the lower end of the tower shell within the area bounded by shell support means 14. The elements consist of horizontal tubes extending between headers and are arranged in relatively inclined banks disposed to form so-called A frames, the assembly covering a major portion of the area within the support means 14. Sealing plates 54...60 between the element groups and between the outermost group and the tower wall prevent by-passing of the tubes by the cooling air which enters the tower between the struts of the support means 14. The arrangement is said to provide a more uniform static pressure at the underside of the element assembly, resulting in a generally uniform air flow through the tower. In the arrangement shown, the heat exchange elements are grouped at at least two different levels, the element groups E and F in the central region being at a relatively low level and being surrounded by at least one ring of elements, comprising, e.g. groups A, B, C and D, at a relatively higher level. The assembly of heat exchange elements is supported within the tower structure on a reinforced concrete framework which carries a pair of rails 28 on which is mounted a beam crane utilized when inserting the tubes into their respective headers, e.g. 50A, these having been previously mounted on the cross-beams (e.g. 32, 35) of the concrete framework and interconnected by transverse and support members (e.g. 51A, 52A) so as to form for each element a triangular framework to receive the tubes. Access to the tubes for maintenance, is through an opening normally closed by a removable floor 61. A liquid to be cooled is circulated through the elements and provision is made for draining individual elements under adverse ambient air conditions, or for draining the whole system, all as described in Specification 1,196,461.
Patent GB-950279-A (GB)
Title: Improvements in and relating to adjustable louvre assemblies
IPC: E06B7/084
Filed: 1960-02-22
Abstract: 950,279. Louvred windows; hinges and pivots. CHRIS TURNER & SCOTT PTY. Ltd. Feb. 22, 1960 [Feb. 25, 1959], No. 6170/60. Headings E1J, E2F and E2M. [Also in Division F4] In a window comprising glass louvres 12 rotated on bearings 15 by bars 19, 20 the louvres are closed and locked by moving over a deadcentre a linkage 21, 22 of which one of the three pivots 25, 26, 31 is adjustable in the vertical plane. In Figs. 1 and 4, the pin 31 is secured to the bar 20 and carries an eccentric bush 27 on which the link 21 is pivoted. A locknut allows rotation of the bush for adjustment by means of a lug or hexagonal head 28. In Fig. 5, a slot in a link and bearing screws 26 provides the adjustment. Specification 858,478 is referred to.
Patent GB-658187-A (GB)
Title: Electric glow relay
IPC: H05B41/08
Filed: 1948-02-28
Abstract: 658,187. Thermal switches. SYLVANIA ELECTRIC PRODUCTS, Inc. Feb. 28, 1948, No. 6315. Convention date, April 19, 1946. [Class 38(v)] [Also in Groups XIII and XL(a)] A glow relay for starting fluorescent lamps and comprising bimetallic rectangular wire electrodes 4 connected to Dumet lead-in wires 3 sealed within a glass bead 5, has the bead 5 coated with a getter material' 11, and the bimetallic and lead-in wires 4, 3 are heated in hydrogen before assembly to soften the electrodes 4 and to avoid gas leaks when mounted. The softening of the wires 4 permits the use of an envelope 1 only “ inch in diameter, since if on cooling after the first operation of the relay, the electrodes engage the wall of the envelope 1, no stress is stored as they assume a permanent set and thus the short starting time of the relay is not lengthened. After subsequent operations the electrodes just touch the wall. The getter comprises 50 gms. of aluminium dust, 50 gms. of zinc dust, 17 gms. of magnesium metal dust and 500 c.c. of alcohol milled together for 96 hours. A further 100 c.c. of alcohol is then added followed by stearic acid crystals to the amount of 2 per cent by weight of the metallic content and further mixing is performed for 15 minutes, the mixture then being stored for use. Before using, 7 gms. of thorium metal powder are added which ensures a constant breakdown potential of the relay throughout its life. The getter material also enables production of the heat required for speedy closure of the electrodes 4. Specifications 632,741 and 656,177 are referred to.
Patent GB-880467-A (GB)
Title: A method of and apparatus for making subaqueous foundations
IPC: E02D27/52
Filed: 1960-02-23
Abstract: 880,467. Subaqueous buildings. MULLER, L. Feb. 23, 1960 [April 6, 1959], No. 6327/60. Class 68(2). A subaqueous foundation is formed by sinking a caisson 1 on to the sea-bed and by driving piles 2 through bores 7, 8 in the caisson into the bed. The piles are formed according to Specification 880,466 and are cemented into the bores.
Patent GB-767026-A (GB)
Title: Improvements in automatic warp breakage stop motion devices for weaving looms
Inventor: JABOULEY JOANNY
IPC: D03D37/00
Filed: 1954-03-04
Abstract: 767,026. Warp stop motion for vertical looms. HINDE & SONS, Ltd., F. Dec. 30, 1954 [March 4, 1954], No. 6383/54. Class 142 (2). An electrical warp stop motion for the loom of Specification 681,610 in which the warp 8 comes from an overhead beam, the cross - section, of the warp sheet being an arc of a circle, has droppers 7 guided on a sloping path by curved rods 6 so as to slide by gravity on to a contact rail 6a on thread breakage.
Patent GB-576722-A (GB)
Title: Improvements in photographic roll film cameras
IPC: G03B19/04
Filed: 1943-04-21
Abstract: 576,722. Photographic roll - film cameras and film magazines. OPTIQUE ET PRECISION DE LEVALLOIS. April 21, 1943, No. 6438. Convention date, March 27, 1941. [Class 98 (i)] A camera normally operating with a magazine comprising a spool carrying a perforated kinematograph sensitive film taking 36 views, but adaptable for use with a smaller, spool-less magazine containing such a film taking 12 views only, is provided with means for withdrawing the film rewinding clutch which engages the spool of the supply magazine of larger type, and holding it in withdrawn position, when this type of magazine is to be replaced by the' smaller type ; and is provided also with a housing for the take-up spool of the longer film or the magazine to receive the shorter film, and with a driving device for the take-up spool which does not project into the housing and so does not obstruct the insertion into the housing of a magazine to receive the shorter film. As shown, the camera 1, Fig. 1, has magazine housings 2, 5 between which the film is driven by sprockets 3 rotated by a knob 16 through toothed gearing which also operates a counter 19 and drives a stud 20 adapted to engage frictionally the spindle of the take-up spool 23 of the longer type of film so as to drive this spool while maintaining tension in the film. The housing 5 has fixed end plates 21, 22 apertured to seat the spool spindle', and the stud lies flush with but does not project beyond the plate 21, so that it will not obstruct insertion between the plates of a magazine to receive a film of the shorter type. The spindle of the supply spool of the magazine of larger type in housing 2 is adapted to be engaged by a clutch 12 slidingly coupled to the spindle 11 of a rewinding knob 10 and normally pressed inwards by a spring 14. By retracting knob 10 and then slightly turning it, the clutch 12 is withdrawn and a pin 13 thereon is held by a bayonet lock 9, 7, thereby retaining the clutch in retracted position in which it does not obstruct the insertion of the smaller type of magazine, whereafter the knob 10 may be pushed back into its original position. The rear wall of the camera may be made in one piece with the side wall 29, so that both may be removed to facilitate the changing operation. Fig. 3 shows the smaller type of magazine comprising a cylindrical housing 25 shaped to prevent its movement when inserted into the camera, and closed except for a slot 27 through which the film 26 passes.