baber/WOPTO huggingface dataset:
Patent GB-916444-A (GB)
Title: An improved collapsible container
IPC: A01K1/02
Filed: 1960-06-28
Abstract: 916,444. Animal cages. DENMAN, R. F. June 27, 1961 [June 28, 1960], No. 22615/60. Class 5(2). [Also in Group XVII]. In a collapsible cage the base 6 which is in the form of a grid, the two side walls 4, 4<SP>1</SP> and an end wall 2 are supported together by a member 1 formed by bending a steel wire to provide hooks 5, 5<SP>1</SP> in which the side walls are supported and hooks 7, 7<SP>1</SP> which support the end wall. The member 1 projects outwardly beyond the side walls so that the cage may be supported on parallel bars. The cage may be provided with a lid having a transverse locating member in the form of a rod which projects beyond the lid to engage with loops or eyes formed in the top horizontal part of the member 1,
Patent GB-453115-A (GB)
Title: Improvements relating to lubricants and to lubrication
IPC: C10M137/10
Filed: 1934-12-29
Abstract: Lubricating-compositions especially for use under high pressures, comprise a major amount of a lubricating oil base and a halogenated aromatic ketone in an amount less than 20 per cent by weight of the total compositions.  Compounds containing more than 55 per cent of halogen and boiling above 170 DEG  C. are preferred. The halogen compounds may be added in solution in solvents. Specification 413,596 is referred to.
Patent GB-883052-A (GB)
Title: Improvements relating to rectifier electric welding arrangements
Inventor: FOWLER JOHN
IPC: B23K9/10
Filed: 1957-07-17
Abstract: 883,052. Control systems for arc welding. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. June 19, 1958 [July 17, 1957], No. 22680/57. Class 38 (4). In an electrically driven controller for the voltage and/or current of a rectifier electric welding arrangement, an impedance is varied by a light-weight means which may be operated remotely. The welding plant (Fig. 1, not shown) comprises a three-phase transformer and two sets of star-connected rectifiers. The output to the welding electrodes is controlled by a saturable inductor having a winding through which direct current is passed, the direct current being supplied by a separate rectifier set and varied by a rheostat R5 which is rotated in either direction by a motor under the control of a remote two-way switch. The switch, which is connected to the motor circuit by three leads, may be mounted on the welder's hand shield or electrode holder. The motor and reduction gear Y (Fig. 2) are mounted on a panel 16 having on one side the leads 11, 12, 13 from the switch and on the other a shaft on which is a pulley 19 driven by the motor. An endless belt drives a large pulley 20 from the small pulley 19. A frictional surface on the pulley engages the knob 26 which is coupled to the rheostat R5 via the shaft 17. A coarse adjustment of the output is effected by manually turning the knob 26 with the pulley 20 disengaged by moving it against the compression of the spring 22. Also coupled to the shaft 17 is an arm 23 which cooperates with two limit switches 27 so as to prevent the shaft 17 being turned too far.
Patent GB-964987-A (GB)
Title: Reduction of gibberellic acid and derivatives thereof
Inventor: JONES DERRICK FLEET
IPC: C07D307/93
Filed: 1961-06-22
Abstract: Gibberellic acid or a derivative of the formula: <FORM:0964987/C1/1> in which R1 is hydrogen or a methyl, ethyl or propyl radical and R2 is hydrogen or a hydroxy group, is reduced with hydrogen and a palladium catalyst in the presence of a catalyst poisoning agent, whereby the double bond shown in the formula is reduced but the exocyclic methylene group remains unaffected. The catalyst may be palladium deposited on a support, e.g. barium carbonate, calcium carbonate, carbon or barium sulphate, and the catalyst poisoning agent may be an organic base, e.g. cyclohexylamine or piperidine but preferably a tertiary organic base, e.g. pyridine or triethylamine. The reduction may be effected at atmospheric temperature and pressure and a solvent, e.g. ethyl acetate or tetrahydrofuran, may be present. Examples are given in which (1) gibberellic acid is reduced to gibberellin-A1 (dihydrogibberellic acid); (2) methyl gibberellate is reduced to gibberellin-A1 methyl ester; (3) gibberellin-A7 is reduced to gibberellin-A4 (dihydrogibberellin-A7).
Patent GB-1502393-A (GB)
Title: Jet pump apparatus for conveying powder
IPC: F04F5/16
Filed: 1976-05-20
Abstract: 1502393 Jet pumps VOLSTATIC COATINGS Ltd 20 May 1976 [23 May 1975] 22727/75 Heading F1E Powder is induced through ports 16 by air from a nozzle 21 and the air/powder mixture discharges through a nozzle 25a which is surrounded by a further air nozzle 26a. The radial dimension of the passage 26 from the air inlet 13 and leading to the nozzle 26a is of the order of À005 inches. In the second embodiment (not shown) the powder inducing  injector is at the location of the air inlet 13 of the illustrated embodiment and discharges through a throat to a divergent passage surrounding the nozzle 25a which receives air from the opposite end.
Patent GB-736468-A (GB)
Title: Improvements in or relating to the preparation of novel polymerisation products
IPC: C08F2/00
Filed: 1953-08-18
Abstract: The products obtained by reacting urea with alpha, beta-unsaturated acids of the formula <FORM:0736468/IV (a)/1> where R is hydrogen or an alkyl or aryl group, e.g. methacrylic acid, at temperatures below 200 DEG  C., are polymerized alone or together with other polymerizable monomers, preferably in the presence of catalysts such as potassium persulphate, hydrogen peroxide, benzoyl peroxide, or azodiisobutyric nitrile. Polymerization is preferably affected in bulk under the influence of heat.  The products contain carboxyl groups and may be converted into water-soluble salts by treatment with ammonia or alkalis.  The polymers may be employed as soil conditioning agents, or as granulating agents for fertilizers.ALSO:Mineral fertilizers are granulated by spraying thereon a solution of a polymer with simultaneous shaking of the material, and subsequent drying, the polymer being one obtained by polymerizing the reaction product of urea and an alpha-beta unsaturated acid of the general formula <FORM:0736468/III/1> (where R is hydrogen or an alkyl or aryl group), e.g. methacrylic acid.ALSO:Polymers, or salts thereof, obtained by polymerizing the reaction products of urea and alpha : beta unsaturated acids of the general formula <FORM:0736468/I/1> (where R is hydrogen or an alkyl or aryl group), e.g. methacrylic acid, are used as soil-conditioning materials, or in the granulation of fertilizers by spraying the fertilizer with a solution of the polymer with simultaneous shaking, and subsequent drying.
Patent GB-940992-A (GB)
Title: Improvements in or relating to foldable box blanks
Inventor: LYNCH WALTON DAVID
IPC: B65D5/66
Filed: 1960-02-16
Abstract: 940,992. Cartons. BALJAK CORPORATION. Feb. 16, 1960, No. 22783/63. Divided out of 940,991. Drawings to Specification. Headings B8C and B8P. The subject-matter of this Specification is identical with that described in Specification 940,991, but the claims are concerned with a foldable box blank.
Patent GB-1424988-A (GB)
Title: Method and apparatus for extracting dust
IPC: B08B15/00
Filed: 1974-05-22
Abstract: 1424988 Confining and removing dust in industrial processes BERGWERKSVERBAND GmbH 22 May 1974 [29 June 1973] 22863/74 Heading F4X Dust generated, e.g. at a coal face 70 by a coal cutting device 2, is confined within air curtain consisting of curved air strata 5 produced by the Coanda effect upon an air stream discharging from a slit 40 with a convex inner boundary surface 41 and an acutely converging outer boundary surface 42. The dust laden air within the air curtain is discharged via apertures 30 into an exhaust duct 3 leading to a dust precipitator (not shown) from which the cleaned air is returned to the fresh air stream near the coal face. The boundary surface 41 may comprise individual curved members of differing radius enabling the nature of the air streams 5 to be produced in accordance with local conditions. The curvature of the air streams can also be changed if required by adjustment of a so-called rupturing edge 43.
Patent GB-1274844-A (GB)
Title: Improvements in or relating to vehicle drum brakes
Inventor: MARGETTS HUGH GRENVILLE
IPC: B60T1/06
Filed: 1968-05-14
Abstract: 1,274,844. Internal shoe drum brakes; slackadjusting. GIRLING Ltd. 14 May, 1969 [14 May, 1968], No. 22928/68. Heading F2E An internal shoe drum brake comprises auxiliary mechanical actuating means including an actuating lever 21, 23 engaging one shoe 4T at 26 and a strut 28, 29, 31 for transmitting auxiliary actuating forces to the other shoe 4L, the strut including relatively rotatable screwthreaded parts 29, 31 so that the strut is adjustable in length to compensate for wear of the brake -shoe linings, a pivoted lever 30, 37 for effecting relative rotation of the strut parts in response-to excessive travel of the brake shoes upon brake application by the auxiliary actuating means, and a pre-stressed coil torsion spring 33 coupled to the lever 30 in such a manner as to urge the pivoted lever to effect wear-compensating adjustment as required in response to operation of the auxiliary actuating means, the spring 33 being designed to yield to avoid over-adjustment under high braking loads. As shown, the actuating lever 21 is secured to a shaft 22, the pre-stressed torsion spring 33 is mounted about the shaft, and the pivoted lever 30 is rotatable relative to the shaft. One end of the spring 33 is hooked around a dowel pin 34 projecting from shaft 22 as seen in Fig. 3, while the other end 40 of the spring passes through a slot 36 in one arm 37 of the lever and engages a shoulder 38 on actuating lever 21 as seen in Fig. 2. On operation of the auxiliary actuating mechanism by the handbrake the actuating lever 21, 23, is rotated counter-clockwise as seen in Fig. 2, and the shaft 22 and spring 33 rotate with it. Lever 30, 37 is also rotated by engagement of spring end 40 in slot 36. Arm 30 of the lever is in the form of a pawl with a tooth 42 engageable with ratchet teeth on the periphery of nut 29 (see Fig. 3), so that if wear of the shoe friction 'linings has occurred the travel of pawl 30 is sufficient to rotate nut 29 in the sense to increase the length of the strut 28, 29, 31. At high braking loads, sufficient to cause deflection of the fixed structure of the brake or expansion of the drum, the frictional resistance to rotation of the nut 29 developed by the braking reaction in the strut causes the spring 33 to yield under continued rotation of shaft 22. The lower end of shaft 22 is pivotally mounted on the fixed brake structure (by a spring 32, see especially Fig. 3), and the upper end has a roller 24 engaging-the back plate 1 to facilitate rocking of shaft 22 in a plane parallel to the plate, the shaft thereby acting as a lever for transmitting brake actuating forces from the actuating lever 21, 23 to the strut. As shown in Fig. 3 the spring 33 also acts as a coil compression spring, holding the lever 30, 37 against the adjacent lower surface of lever 21 and thus biasing the pawl tooth 42 against the nut 29. On service brake application by slave cylinder 2, there are no forces tending to rotate lever 21, and hence no wear-compensating adjustment.
Patent GB-200397-A (GB)
Title: Improvements in or relating to rotating platforms
IPC: A47F5/025
Filed: 1922-08-23
Abstract: 200,397. Seear, A. H Aug. 23, 1922. Actuating; articles to be displayed, rotating supports for.-A rotating platform c for displaying articles &c. has vanes or their equivalent d, d' upon which is directed an air current from an adjustably-mounted electrically driven fan x. The platform is secured to a spindle e geared to a vane governor g.
Patent GB-847178-A (GB)
Title: Improvements in or relating to feeding devices for sugar centrifuges
IPC: B04B11/04
Filed: 1958-07-17
Abstract: 847,178. Centrifugal strainer separators. BRAUNSCHWEIGISCHE MASCHINENBAUANSTALT A. G. July 17, 1958 [Aug. 9, 1957], No. 23031/58. Class 46. A fixed annular valve casing in two parts 3a, 3b, together with an inlet pipe 3c, and an axially-movable valve shaft 12 having a valve head 11 surround the upstanding driving shaft 4 of a centrifuge drum 5 so that material may be fed symmetrically to the drum through an annular gap 15 when the valve shaft and head are raised by a forked rod 16. Hot water for keeping the material (e.g. sugar) fluid may be supplied to ducts 6 in the valve casing, and to ducts 6a in the valve shaft and head, by pipes 7, 7a respectively. The valve 12, 11 is optional Parts of the apparatus contacted by the material being treated may be made from or coated with a plastic material inhibiting adhesion.
Patent GB-185124-A (GB)
IPC: C22C11/02
Filed: 1922-08-24
Abstract: 185,124. Mathesius, W., and Mathesius, H. Aug. 24, 1921, [Convention date]. Alloys.-In a process for obtaining an alloy containing lead and strontium, an alloy of lead, calcium, and sodium is first made by acting with metallic sodium on a layer of calcium chloride on a molten lead bath. The laver of chlorides is then removed and replaced by a layer of strontium and barium chlorides, whereupon strontium and barium replace some of the calcium and sodium in the allov. A lead allov containing 2 per cent of calcium and 1 per cent each of strontium and barium may be so prepared.
Patent GB-941951-A (GB)
Title: Improvements in and relating to the production of carbonyl compounds
Inventor: COTTERILL COLIN BERTIE
IPC: C07C45/28
Filed: 1960-07-01
Abstract: Olefinic hydrocarbons in which at least one hydrogen atom is attached to one of the doubly-bonded carbon atoms are directly oxidised to aldehydes or ketones by treating with hydrogen peroxide in the presence of a salt of palladium, platinum, ruthenium, rhodium, osmium or iridium and an aqueous mineral acid.  The process is applicable to mono- or di-olefinic hydrocarbons, cyclic olefins, and olefinic hydrocarbons containing aromatic groups. For example, ethylene, propylene, butene-1, butadiene, cyclohexene and styrene may be oxidised to acetaldehyde, acetone, methyl ethyl ketone, crotonaldehyde, cyclohexanone and acetophenone respectively.  The reaction may be carried out at temperatures up to 100 DEG C. and at atmospheric or elevated pressure.  The hydrogen peroxide may be liberated in situ by the use of barium peroxide.
Patent GB-794924-A (GB)
Title: Improvements in or relating to water tanks
IPC: A01K7/04
Filed: 1955-08-10
Abstract: 794,924. Valves. WARRICK, C. June 15, 1956 [Aug. 10, 1955], No. 23090/55. Class 135. In a tank, suitable for use as a drinking trough for cattle, the ball-and-float inlet valve 4, is located near the base of the tank and the float 7 is connected to the valve actuating lever 5 by a freely pliant linkage, e.g. a chain 6.
Patent GB-155638-A (GB)
Title: Improvements in and relating to means for spinning tops, gyroscopes and other spinning devices
IPC: A63H1/04
Filed: 1919-09-20
Abstract: 155,638. McHardy, J. Sept. 20, 1919. Gyroscopic apparatus.-Relates to a means for spinning tops and gyroscopes, and consists in forming on one end of the stem of the top a male or female screw b which is adapted to engage a corresponding screw c attached to, or formed on the end of, a spindle d. The spindle d is mounted in a handle e and is rotated by a cord f. In a modification, the member c may be formed with a helix of varying pitch which is engaged by a single pin on the stem of the top. In another modification, the member c may be replaced by a helix of wire secured to the end of the spindle d.
Patent GB-860886-A (GB)
Title: Improvements in or relating to articles of furniture
Inventor: KOTAS TADEUSZ JOSEF
IPC: F16B12/20
Filed: 1956-07-26
Abstract: 860,886. Collapsible cabinets. FURNITURE DEVELOPMENT COUNCIL. July 26, 1957 [July 26, 1956], No. 23163/56. Class 52(1). Wardrobes or like structures which can be dis-assembled for transport comprise an openfronted carcase having a wall 10 formed as a shallow closed box or reinforced by diagonal beams fitted thereto to impart stiffness to the structure. Alternatively two of the walls may be so constructed. The parts can be secured by tenons, dowels, screws or pivoted hooks.
Patent GB-705260-A (GB)
Title: Treatment of textile materials with organosilicon compounds
IPC: D06M15/643
Filed: 1950-09-21
Abstract: 705,260. Waterproofing fabrics ; mildew proofing. COWLES CHEMICAL CO. Sept. 21, 1950 [Sept. 21, 1949], No. 23173/50. Class 140 A process of rendering organic fibres, yarns or fabrics water repellent and mildew resistant comprises preparing an aqueous alkaline solution of the products of the alkaline hydrolysis of an organo-trihalo-silane, reducing the pH of the solution to a value no greater than 7, impregnating the textile material with the solution to obtain a precipitation of an insoluble organo-silicon compound, and thereafter drying and curing the material at an elevated temperature. After drying the material may be given a secondary impregnation with a solution of a salt of an amphoteric metal. The organotrihalosilane may be amyl trichlorosilane,. methyl-benzyl-trichlorosilane, phenyltrichlorosilane. The salt of an amphoteric metal may be alum, and a fungicide, e.g. tetrachlorophenol, may be added to the hydrolysis products. Specifications 675,188 and 675,233 are referred to.
Patent GB-889000-A (GB)
Title: Process for colouring organic masses capable of being spun or moulded
IPC: C08K5/3465
Filed: 1959-07-07
Abstract: Polyethylene terephthalates, superpolyamides or polyolefines are coloured in the melt, prior to spinning or moulding, by incorporating therewith, prior to melting, a 1:9-pyrazole-anthrone dyestuff which is free from water-solubilizing groups. Incorporation of the dyestuff may be effected by mechanical mixing of the polymer in powder, granule or chip from with the finely divided dyestuff.  In the case of polyamides, the dyestuff may be incorporated before or during the polycondensation of the monomers.  Suitable dyestuffs are those of the formula:-  <FORM:0889000/IV (a)/1> in which R represents an alkyl group, those of the formula:-  <FORM:0889000/IV (a)/2> and those of the formulae:-  <FORM:0889000/IV (a)/3> in which R1 and R2 represent hydrogen atoms or alkyl, cycloalkyl or aralkyl residues.  Examples describe the colouring of polymer chips which are then melt-spun into filaments or moulded into articles.
Patent GB-1527809-A (GB)
Title: Testing devices
IPC: G01R31/36
Filed: 1977-06-01
Abstract: 1527809 Transistor oscillators W FLETCHER 1 June 1977 [7 June 1976] 23504/76 Heading H3T [Also in Division G1] Battery voltage 1, 2, is monitored by a relaxation oscillator including a light-emitting-diode 7, the arrangement being such that- (a) if the battery voltage is too low no oscillation occurs and the I.e.d. remains unlit, (b) if the battery voltage lies in a middle range, oscillation occurs at a frequency indicative of the battery voltage, and (c) if the battery voltage is too high, an SCR 9 remains conductive and the 1.e.d. remains lit.
Patent GB-188437-A (GB)
Title: Manufacture of products useful as food or medicine
IPC: A61K38/38
Filed: 1921-09-03
Abstract: Complexes or adsorption compounds of lactalbumen and glycerophosphoric or orthophosphoric acid are prepared by mixing whey or an artificially prepared solution or suspension of lactalbumen with either of the acids or the salts thereof or a mixture of such acids and salts.  The resulting product may be dried and ground. Examples are given of products prepared at differing degrees of acidity and dried at different temperatures, with the result that the solubility of the product in water can be controlled.
Patent GB-1121385-A (GB)
Title: Improvements in or relating to contacts for vacuum interrupters
Inventor: WOOD ALLAN JOHN
IPC: H01H1/02
Filed: 1966-05-27
Abstract: The co-operating surfaces of the contacts of a vacuum switch are formed respectively of a silversilicon alloy and a silver-nickel alloy so that upon arcing between the contacts nickel silicides are formed as non-ductile films upon the surfaces of the contacts reducing the tendency to contact welding.  The silver-silicon contact may be produced by melting together in vacuo 94-96% silver and 4-6% silicon, heated by R. F. induction using a molybdenum susceptor at 1050 DEG  C. for 30 mins. The contact being cast and then machined. The silver-silicon contact may alternately be made by mixing 90% silver powder with 10% silicon powder, compacting under a pressure of 10 tons/in2 and sintering in vacuoat 790 DEG  C. for 45 mins.  The silver-nickel contact may be produced by compacting 5 micron nickel powder under 15 tons/in2 and sintering at 800 DEG  C. for 20 mins. and then infiltrating the compact with silver by heating in a graphite crucible to 1050 DEG  C. for 10 mins.  The final contact containing between 65 and 85% nickel.  In an alternative embodiment a high-purity, zone-refined copper contact co-operates with a high-purity, vacuum-outgassed titanium contact, non ductile films of copper-titanium compounds being formed during arcing.
Patent GB-319467-A (GB)
Title: Improvements in rotary air compressors
IPC: F01C21/08
Filed: 1928-08-18
Abstract: 319,467. Hay, W. G. Aug. 18, 1928. Fixed-abutment type ; packing vanes. -The outwardly sliding vanes 5 of a rotary compressor having an eccentric rctor 1 are controlled by segmental pieces 12, oscillatably connected with the vanes, which move in annular grooves formed in rotatable controlling rings 14 which are mounted concentrically with the casing in recesses in the end covers and have their outer guide surface of greater diameter than the interior of the cylindrical casing. The vane slots in the rotor are enlarged at each end to receive U-section shoes 6 which fit over the ends of the vanes 5 and have springs 7 provided therebetween to take up wear; the shoes 6 extend beyond the radially inner edges of the vanes. The shoes may move axially but are prevented from radial movement on the vanes by means of ferrules 10 which fit over cylindrical lugs 9 on the shoes to retain extensions 8 on the vanes which enter slits in the lugs 9. The segmental pieces 12 are supported on the ferrules 10. The control rings 14 being of greater diameter than the casing may run in an oil bath.
Patent GB-1107673-A (GB)
Title: Transportation system
IPC: B61B13/08
Filed: 1966-05-27
Abstract: 1,107,673. Transportation systems. A. R. PITKANEN. 27 May, 1966, No. 23938/66. Heading B7L. A transportation system comprises a concrete road bed 10 having a longitudinal passage 19 supplied with pressure air by fans 11 driven by electric motors 27, and having flanges 17 defining a slot 18 spanned by a grating 28; a flexible air-impervious endless belt 29 provided with slack forming a travelling undulation 37 in its top run, and pressed sealingly by the air pressure in passage 19 against the grating 28 and faces 35 of the flanges 17 over its straight portions; and an article e.g. a vehicle 13 supported on the air cushion formed by air escaping through the gaps between the belt 29 and the faces 35 in the region of the undulation 37, the vehicle 13 resting stably on the air cushion which follows the vehicle 13 as it is propelled by air foils 53, 54 or externally applied power or by a power plant on the vehicle. The belt 29 is trained over pulleys 33, Fig. 2 (not shown), freely mounted on shafts 36, has the slack 55 returned in the lower run 56, and may include two or more undulations 37.