baber/WOPTO huggingface dataset:
Patent GB-491455-A (GB)
Title: Improvements in or relating to automatic adjusting devices for brakes
IPC: F16D65/54
Filed: 1937-03-03
Abstract: 491,455. Adjusting brake shoes. AUTOMOTIVE PRODUCTS CO., Ltd., CLENCH, E. C. S., and BEESTON, J. P. March 3,1937, No. 6356. [Class 103 (i)] A device for automatically adjusting the shoe clearance of internal expanding brakes and which is unaffected by drum expansion, comprises a member carried by the shoe and engaging a stop on the back plate and having a part which is flush with the lining whereby it is forced inwards relatively to the shoe as the lining wears, outward movement of the member being prevented. In Fig. 2, a plunger 29 slidable in a housing 28 on the shoe web 25 extends through an aperture in the shoe flange 24 and lining 16. In the release position of the shoe the plunger engages a stop 23 extending through a slot 26 in the web 25 and which though normally fixed is adjustable, being carried by a pivot 27 on the back plate. As lining wear occurs, the plunger is forced inwardly by contact with the drum 17, outward movement thereof being prevented by a ball or roller 33 engaging the housing and an inclined face of the plunger. The plunger may be disposed radially of the drum or an equivalent member may be pivotally mounted on the shoe. In Fig. 4, a U-shaped member has one limb 38 projecting into an aperture in the shoe flange and lining while the other limb 37 is normally jammed in a housing 28 on the shoe by a spring 41 which may also be a shoe release spring. A projection 40 from the limb 38 normally engages the stop 23. Pressure on the end 30 of the limb 38 as the lining wears tends to free the limb 37 and permits the spring to slide it in the housing. According to the Provisional Specification a single adjuster may control the clearance of a number of shoes through links and levers.
Patent GB-667184-A (GB)
Title: Improvements in or relating to the packing of glands or seals
IPC: F16J15/20
Filed: 1949-03-08
Abstract: A composition for packing glands or seals comprises a suspension of polyvinyl chloride, or a copolymer of vinyl chloride and vinyl acetate, in a mixture of coal tar pitch and at least one plasticizer which is a non-solvent for the polymeric material in the cold, but a solvent therefor when hot.  Plasticizers specified are dibutyl, dihexyl, and dioctyl phthalates and sebacates, methyl glycol adipate, ethyl lactate, tricresyl phosphate and chlorinated diphenyl or dibenzyl.  The composition is in the form of particles of the polymeric material suspended in a fluid medium of pitch and plasticizer, the mixture hardening on standing at room temperature, or on warming, by the homogenization of the constituents. Specification 662,749 is referred to.
Patent GB-1246171-A (GB)
Title: An improvement relating to fishing tackle
Inventor: CARROLL LEONARD
IPC: A01K91/04
Filed: 1969-02-06
Abstract: 1,246,171. Fishing tackle. L. CARROLL and P. BODDY. 1 May, 1970 [6 Feb., 1969], No. 6382/69. Heading A1A. [Also in Division E2] A connector for use between a hook and the associated fishing tackle comprises an elongated link which is either deformable as shown, or frangible so as to detach the hook when snagged. A pliable wire is bent to form parallel sides 2, 3 and an interconnecting loop 1 on which the hook is engaged. The side 2 is free so as to deform under applied critical loads and the side 3 is bent to form a helical coil 6 which provides an eye for attachment of the further fishing tackle such as the lure.
Patent GB-1126637-A (GB)
Title: Pneumatic cleaning means for carding machines
Inventor: BASS OSCAR
IPC: D01G15/80
Filed: 1967-02-10
Abstract: 1,126,637. Pneumatic cleaning of carding machines. R. B. JENKINS & CO. Inc. 10 Feb., 1967, No. 6385/67. Heading D1F. A suction nozzle 22 has a bottom wall 33 shaped to conform to the curvature of the cover 14 of the lickerin 12 of a carding machine and orifices 34, 35 in side walls 26, 27 respectively to draw dust and fly in from the nips formed by the lickerin roll with the feed roll 16 and the main cylinder 11. The nozzle is connected through a nipple in an end wall to a source of suction. The orifices extend the length of the lickerin roll and preferably increase in width as the distance from the nipple increases. A plate 36 hinged to the nozzle extends over the feed roll. Lint falling from the flats 18 is sucked through orifice 35.
Patent GB-1125653-A (GB)
Title: Improvements in or relating to a fluid valve
IPC: F16K31/06
Filed: 1966-02-14
Abstract: 1,125,653. Valves. LUCIFER S.A. 14 Feb., 1966 [3 March, 1965], No. 6419/66. Heading F2V. A floating valve member 13, 15 seats on a seat 16 and is engaged by an actuating member at a point eccentric to the axis of the seat so that it lifts with a tilting movement to facilitate opening against pressure from the inlet 2. The inlet passage is arranged to direct the fluid toward that part of the valve member which is first disengaged from the seat and in a direction substantially counter to the general direction of flow through the seat when the valve is open, so that opening is assisted. As shown, the valve is actuated by a solenoid of which the armature 7 houses the valve member in a space 12. The seat 16 is inclined so that a flange on the armature engages the valve member at one side. In another construction, Fig. 2 (not shown), the valve member is positioned on the side of the seat remote from the armature. An actuating pin (24) passes eccentrically through the seat.
Patent GB-552965-A (GB)
Title: Improvements in or relating to trip devices for electric circuit breakers
IPC: H01H71/10
Filed: 1942-05-12
Abstract: 552,965. Automatic circuit-breakers. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. May 12, 1942, No. 6448. Convention date, May 15. 1941. [Class 38 (v)] A trip device for a multipole breaker comprises a trip bar, an independently-movable trip member for each pole each biased to operate the trip bar, a thermal element for each trip member yieldingly holding the trip member against tripping movement, and an electromagnetic means for each trip member operable to cause tripping movement thereof. The movable contact-arms 25 of all poles are interconnected by bar 75 for collective movement about pivot 79 in a frame 43 to which the operating lever 47 is pivoted at 57. The centre contact-arm has pivoted to it at 67 one link 51 of a toggle; the other link 49 of which fulcrums in the apex 69 of a cradle 55 pivoted in the frame 43 at 56. The cradle is normally latched at 113 so that movement of handle 63 causes a spring 53 anchored between it and the toggle-knee 65 to make and break the toggle to close and open the switch. When the latch 113 releases the cradle, spring 53 acting through the toggle, causes the cradle to rotate clockwise so that a surface 68 thereon engages a pin 66 on toggle lever 51 to break the toggle to the left and open the circuit. The cradle is reset by moving the handle from the mid position, which it assumes on tripping, to the off position, whereby a part 133 engages the cradle to reset it, so that the handle can be returned to the on position to reclose the switch. The latch 113 is moulded integral with a rotatable insulating trip bar 81 having an integral arm 91 for each pole. Each arm is turned up at 95 to engage an aperture in a trip member 93 which engages at one end in a notch 101 in the trip bar and carries an adjustable screw 109 which is pressed by a spring 103 on to the free end of a series bimetal strip 39 adapted to flex downwards when heated. An electromagnetic trip device comprises a U-shaped core 115 surrounding each conductor 31 and an armature 123, the whole being surrounded by a non-magnetic yoke 119 which is apertured to receive a threaded rod 125 having a nut 127 engaging the upper face of member 93. The yoke 119 of the centre pole also seats a compression spring 129 biasing the centre arm 91 upwards. On low overloads, the spring 103 of the overloaded pole provides most of the trip force, which is opposed by the thermal element 39 for a time depending on the intensity of the overload. As the intensity increases, the effect of the electromagnetic trip becomes stronger until at a given overload the tripping is substantially instantaneous, since the armature 123 does not have to flex the elements 39 of unfaulted poles. The individual poles are isolated by partitions 16. 26 in the base and cover, respectively. Specification 549,554 is referred to.
Patent GB-211011-A (GB)
Title: Improvements in and relating to dabbing brushes used in wool-combing
IPC: D01G19/12
Filed: 1923-03-07
Abstract: 211,011. Pickford, F. March 7, 1923. Combing - machines. - The dabbing-brush is provided on the under face with a layer L of leather or similar yielding material, through which the bristles project. The metal &c. stock S<1> to which the bristles are secured may be made in sections which can be reversed as the bristles wear. The stocks are secured by screws A to the back B.
Patent GB-774504-A (GB)
Title: Improvements in and relating to the automatic control of dough-dividing and kneadingmachines
IPC: A21C5/08
Filed: 1953-03-10
Abstract: 774,504. Dough-moulding machines. SCHRODER, H. March 10, 1953 [March 22, 1952], No. 6540/53. Class 87(2). Relates to doughdividing and -kneading machines of the type having a knife-spider (which cuts the dough into pieces) and a plate that presses on the dough pieces (neither of which is shown in the Figures) and a gyratory dough-supporting table 1, Fig. 2, the gyratory kneading movement being imparted to the table by a pin 74 that moves bodily in a circle the radius of which may be varied to vary the kneading throw. According to the invention the radius is varied by means of a longitudinallyslidable rod 71 which is adjustable by means of a cam having a fixed part 63 and an adjustable part 64. A toothed wheel 301 and a member 300 fast therewith rotate continuously. Rod 71 slides within member 300 and is joined by a link 72 to a block 73 slidable on member 300. Pin 74 is fixed in block 73 and engages a bore in table 1. When rod 71 is pushed upwardly, pin 74 is forced to the right, away from the control axis 75, and rotates about that axis, whereby table 1, which is restrained from rotating, gyrates. The further the rod is pushed upwardly, the greater is the amplitude of gyration. The block 73 is pulled to the left by a spring 77, against an adjustable abutment 76. The rod 71 is raised by the cam 63, 64, which is mounted on a counterclockwise-rotating wheel 61. The cam part 63 raises the rod to its maximum height, and the cam part 64 may be adjusted to keep it at that height before it falls off the cam tail part, or to let it fall gradually. The cam part 64 is adjusted by means of a fixed but adjustable crank 66, 68. Fig. 5 shows a modification including a supplementary fixed cam part 78 which imparts a final low-amplitude gyration to the table. Fig. 6 shows another modification in which the end of a fixed adjustable crank 79 co-operates with a cam surface 64c on cam part 64.
Patent GB-344213-A (GB)
Title: Improvements in or relating to nitrosyl sulphuric acid
IPC: C01B21/086
Filed: 1930-02-27
Abstract: Nitrosyl sulphuric acid is comminuted with an absorbent, such as activated or other charcoal, bleaching or diatomaceous earth or activated silicic acid such as silica gel, and then mixed with dry powdered substances, capable of combining with the sulphuric acid liberated by the action of moisture, such as calcium salts of phosphoric, carbonic, or organic acids or calcium hydroxide. Diluents such as gypsum and ammonium sulphate, may also be added. When mixed with flour, the water present liberates nitrogen trioxide which bleaches the flour.ALSO:Nitrosyl sulphuric acid is comminuted with an adsorbent, such as activated or other charcoal, bleaching or diatomaceous earth, or activated silicic acid such as silica gel, and then mixed with dry powdered substances, capable of combining with the sulphuric acid liberated by the action of moisture, such as calcium salts of phosphoric, carbonic or organic acids, or calcium hydroxide. Diluents such as gypsum or ammonium sulphate may also be added. The product is used for bleaching flour, the water present in the latter liberating nitrogen trioxide.
Patent GB-332628-A (GB)
Title: Improved manufacture of viscose
IPC: D01F2/06
Filed: 1929-02-28
Abstract: 332,628. Steimmig, F., and Erste B÷hmische Kunstseidefabrik Akt.- Ges. Feb. 28, 1929. Cellulose xanthates, and processes for making filaments from.-To control the rate of ripening of viscose such as is to be used for the manufacture of artificial fibres &c., and to which organic substances such as polyvalent alcohols or sugars have been added, which substances have a coagulating effect on viscose and also serve to diminish oxidation of the hydrogen sulphide, there is added to the viscose either substances that retard ripening such as sulphites, amides, or an arsenite, or a mixture of such substances such as sodium arsenite and urea. In an example, sodium sulphite is added to a viscose containing cane sugar. The added substances may be dissolved in the viscose, or added during the manufacture, for example, during the opening up of the alkali cellulose or the solution of the xanthogenate. Reference has been directed by the Comptroller to Specifications 274,521 and 302,115.
Patent GB-402737-A (GB)
Title: Manufacture of negative copies
IPC: G03C5/60
Filed: 1932-03-04
Abstract: 402,737. Negative copies. KALLE & CO. AKT.-GES., 23, Rheinstrasse, Biebrich, Wiesbaden, Germany. March 4, 1932, No. 6572. Void [Abridged as open to inspection under Sect. 91 of the Acts, March 5, 1932]. [Class 98 (ii).] Negative copies are prepared by exposing to light under a pattern a colloidal base to which light-sensitive substances have been added which develop gas on exposure to light and, if required, after-treating it in order to effect a loosening of the colloid particles in the places which have been exposed to light. The gas is set free in the exposed places and inflates the colloidal material to a greater or less extent, whilst simultaneously dulling it. A negative picture of the pattern is thus obtained. In order to fix the picture the undecomposed light-sensitive compound may be washed out or the picture further cautiously exposed to diffused light. The inflation of the colloid also produces a relief effect. Colloidal bases suitable are layers of regenerated cellulose, gelatine, glue, gum either alone or on a support. Light sensitive substances suitable are diazo compounds, aromatic azides, and superoxides. In examples (1) a regenerated cellulose hydrate foil is impregnated with p-aminomonoethyl-otoluidine diazonium borofluoride, glycerine and tartaric acid, dried and exposed under a pattern ; a strong dulling effect is obtained at the exposed places and after removal of the pattern the foil is exposed to diffused daylight, (2) a gelatinised cellulose ester foil is impregnated with 2-diazo-1-naphthol-4-sulphonic acid, exposed as in (1) and washed with water or aqueous alcohol ; by treating the layers with alkali before or after exposure dyestuffs are formed by the coupling of the unchanged diazo compound in which case an acid after-treatment is necessary, (3) a glass plate is coated with a gelatine emulsion containing sodium 2:1: 6-diazonaphtholsulphonate, resorcin, acetic acid and gelatine, dried, exposed as in (1), treated in a current of steam and finally in an atmosphere of ammonia, (4) a glass plate or a lacquered metal plate is covered with an emulsion containing 1 : 2 : 4-diazonaphtholsulphonic acid, sodium acetate and gelatine, dried, exposed under a pattern, and exposed to moist air or washed with alcohol, (5) a nitro-cellulose film is coated with an emulsion containing sodium azidosalicylate and chrome-alum, dried, exposed as above, and steamed.
Patent GB-499445-A (GB)
Title: An improved apparatus for the heat treatment of metals
IPC: C21D1/63
Filed: 1938-03-03
Abstract: 499,445. Conveyers; suspending. DEUTSCHE GOLDUND SILBER-SCHEIDEANSTALT VORM. ROESSLER. March 3, 1938, No. 6743. Convention date, April 24, 1937. [Class 78 (i)] [Also in Groups XII and II] A counterpoised conveyer belt or chain 8, on which metal articles are suspended, can be lowered as a whole to dip them into treatment vessels below, and is housed in a hollow protective container 4 slotted lengthwise at the bottom.
Patent GB-329417-A (GB)
Title: Improvements in spring constructions
IPC: F16F1/24
Filed: 1929-03-02
Abstract: 329,417. Green, A. R., Perry, T., Hammond, F. W., and Moulton, M. H. March 2, 1929. Laminated springs.-In laminated springs more especially for vehicles, in which the main leaves 2 are separated by thin metal interleaves 1 having longitudinal slots 3 to facilitate lubrication, the connecting holes 4 in the main leaves are arranged in regular stepped relation to one another; that is, the holes in the shorter leaves are nearer to the centre of the spring. Some of the main leaves are drilled, tapped, and fitted with nipples 5 for grease gun lubrication.
Patent GB-1220852-A (GB)
Title: Cationic dyes and textile materials dyed therewith
Inventor: FISHER JOHN GATEWOOD
IPC: C09B44/20
Filed: 1968-02-12
Abstract: 1,220,852. 2 - Amino - 4,5 - (3,3 - dimethyl- 1 - oxotetramethylene)- thiazole. EASTMAN KODAK CO. 12 Feb., 1968 [16 Feb., 1967], No. 6805/68. Heading C2C. [Also in Division C4] In Example 1, 2-amino-4,5 - (3,3 - dimethyl- 1-oxotetramethylene)- thiazole is prepared by reacting bromodimedone and thiourea under reflux in alcohol, evaporating the alcohol and precipitating the product from aq. caustic soda. After recrystallization from 50% alcoholwater the product has a m.p. of 206-207À5‹ C.
Patent GB-589196-A (GB)
Title: Improvements in or relating to hair dryers
IPC: A45D20/22
Filed: 1945-03-19
Abstract: 589,196. Hair driers. CHESTER, L. R. March 19, 1945, No. 6823. [Class 81 (ii)] In a hair drier of the kind having a hood in which is located a fan which draws air inwardly from the mouth of the hood in a central stream and thereafter causes it to impinge on the internal walls of the hood, electrical heating means for the outward air stream, and thermostatic temperature control means being provided, the thermostatic control 4, of helical bimetallic type is disposed above the fan 3, and the heating elements 5 above the control. The fan blades, either flat or curved are carried by radial arms 7 mounted on a central disc which serves to deflect the incoming air. An annular baffle may be located in the lower part of the hood. Specification 491,085 is referred to.
Patent GB-452984-A (GB)
Title: Improvements in or relating to fractionating columns
IPC: B01D3/26
Filed: 1935-03-05
Abstract: <PICT:0452984/III/1> <PICT:0452984/III/2> A fractionating column comprises a series of hollow pear-shaped sections 14 each having a through way in it and its wider end re-entrant, and the sections are built up one above the other in a self supporting manner to form the column.  The column may be surrounded by a jacket 11.  Each section rests on a ledge 18 in the top aperture of the section below.  The narrower end of a section may be serrated or corrugated to bring the spaces inside and outside the sections into communication. Alternatively the wider end may be provided with ribs or ridges for the same purpose.  The sections may be made of glass, earthenware, synthetic resin, ebonite, guttapercha, or metal.
Patent GB-252826-A (GB)
Title: Improvements in, or relating to, knife sharpeners
IPC: B24D15/08
Filed: 1925-03-14
Abstract: 252,826. Bennett, H. G. March 14, 1925. Knife rests.-A combined knife rest and knife sharpener comprises a holder a for the sharpening-element having therein a slot g which serves as a knife rest. The holder may be mounted on a base and may be provided with a handle h.
Patent GB-1196061-A (GB)
Title: Improvements in or relating to the Operation of Electro-Magnetic Coils.
Inventor: BOWRAN JACK
IPC: H01F7/18
Filed: 1968-02-13
Abstract: 1,196,061. Control systems for inductive loads. DAVIES & METCALFE Ltd. 9 May, 1969 [13 Feb., 1968], No. 7048/68. Heading H2H. [Also in Division H3] A circuit for energizing an inductive load 5 comprises a capacitor 6 in shunt with the load so as to form a circuit having a natural resonant frequency of say, 1000 Hz, a thyristor 8 connected in series with the circuit 5, 6 across a supply P and a pulse generator 9 connected to the gate of the thyristor 8, the output frequency of the generator being variable between 50 and 1000 Hz. Each pulse from the generator 9 turns on the thyristor 8 which is then turned off by the resonant action of the circuit 5, 6, the duration of each conductive period being determined by the resonant frequency of the circuit 5, 6. Thus the average current flowing in the coil 5 is determined by the frequency of the pulses from the generator 9. The diode 10 prevents peak inverse voltages being developed across the thyristor and a capacitor 11 suppresses spurious operation of the thyristor. If desired the voltage across the circuit 5, 6, 8 may be stabilized by a Zener diode.
Patent GB-1361345-A (GB)
Title: Distillation of liquids
IPC: B01D5/00
Filed: 1972-02-16
Abstract: 1361345 Flash evaporators; ;desalination of water J VAN OORD 16 Feb 1972 [17 Feb 1971] 7170/72 Heading BIB  Seawater (or other liquid to be purified) is drawn up from annular tank 16 through conduit 20 into chamber 48 where reduced pressure is maintained so that evaporation of water takes place and the temperature of the residual brine is reduced. The vapour is drawn by fans 60 and 62 into upper section 64 of condenser assembly 22, wherein the vapour passes down in countercurrent heat exchange with the cool brine which is flowing through tubes 66. The condensate and residual vapour pass into zone 72 which is supplied with fresh water through spray head 74. Gases are withdrawn from the condenser through tube 30 by means of pump 28. The condensate, i.e. desalinated water, flows down to tank 24 through conduit 84 wherein further heat exchange takes place with the brine flowing through tubes 90. The brine is withdrawn from manifold 92 by pump 43: a portion may be discharged through valve 44 and the remainder is conducted first to tank 18 through valve 46 and then to tank 16. Chambers 48 and 58 are insulated from solar energy by pumping water from conduit 20 via conduit 96 through the double-walled roof 98; the warmed water then enters chamber 48 through apertures 108. In cold weather conditions, the arrangement is modified so that the water cooled in the insulating space is discarded from the system without injection into chamber 48. The operation of pump 26 and the height of the condensate in conduit 84 are regulated by a controller (Fig. 4, not shown), which is also connected to a component for controlling the speed of fans 60 and 62. Circulating pump 43 and temperature sensors 122 and 124 maintain a preset differential between the temperature of the feed liquid and the concentrate respectively. The liquid-level 38 in chamber 48 is also maintained constant by automatic means. A modified apparatus is described wherein the vapour is condensed by heat exchange with a coolant from an external source, and the seawater is preheated in a heat exchanger forming part of a refrigeration system (Fig. 5, not shown). Several units may be interconnected with respect to successive treatment of either the condensate or the concentrate. In such an arrangement, the spent feed of one unit could be used as coolant for the condenser of the following unit.
Patent GB-255022-A (GB)
Title: Improvements in colored patent leather and the process of making the same
IPC: C14C11/00
Filed: 1926-03-15
Abstract: 255,022. Snyder-Welch Process Corporation. July 8, 1925, [Convention date]. Drawings to Specification. Ornamenting.-Coloured patent leather is obtained by stretching the tanned leather by strings in an open frame: applying and baking successive coatings of varnish, the last coating being only baked for a short time to leave it adhesive; applying a thin layer of powdered colour, the excess of which is removed after baking by a vacuum brush; and finally applying and baking a thin layer of varnish.