baber/WOPTO huggingface dataset:
Patent GB-770759-A (GB)
Title: Improvements relating to suction cleaners
IPC: A47L5/36
Filed: 1954-12-30
Abstract: 770,759. Suction. cleaner filter bags. HOOVER, Ltd. Dec. 30, 1954 [Jan. 7, 1954; Jan. 7. 1954; Jan. 7, 1954], No. 37719/54. Class 8(2) An expendable suction cleaner filter bag 44, Fig. 1, of paper has its inlet formed by a. plurality of cuts 51, Fig. 8, in one wall and which intersect at a common point so as to provide sector-shaped valve tabs which tend to lie flat and are bent inwardly on the introduction of a suction socket 60. The bag 44 is formed from a single blank and has flat pleated sides closed at one end, the other end being flat and reinforced by side flaps 49, 50 and having the cuts 51. When inserted within the cleaner casing 10 the edges of the flat uppermost end are held by a pair of clamping rollers 54 in channels 38 of a rectangular rubber mounting ring 34 seated in a metal ring 32. The rollers 54 are carried by U-shaped leaf springs 56 which are pressed down by plates 65 of the pivoted end cap 26 which has spaced inner and outer walls 29, 28. In order to seal the end wall of the bag 44 against the underside of the cap wall 29, openings 63 in the latter and an opening 62, Fig. 4 (not shown), allow the full suction of the motor fan unit 14 to draw the said end of the filter bag 44 against the cap wall 29. A cloth filter bag 35 is suspended from the ring 32 and in the event of the paper bag 44 not being in position the openings 62, 63 are automatically closed by the, plate 65 which when the paper bag is positioned is held by by a feeler 68 (not shown). In a further modification the clamping rollers 54 and U-shaped leaf springs 56 are replaced by a pair of rubber ribs 77, Fig. (not shown), held by screws along opposite edges of the inner wall of the suction end cap; the lower rounded edges of the ribs registering with troughs formed in the rubber mounting ring. Specifications 770,758 and 770,760 are referred to,
Patent GB-1345078-A (GB)
Title: Method and apparatus for pointing tubes
IPC: B21C5/00
Filed: 1971-08-11
Abstract: 1345078 Pointing; swaging machines A H TUBERMAN 11 Aug 1971 [26 Aug 1970] 37759/71 Headings B3P and B3H A tube pointing apparatus comprises at least three die shoes 24-26 slidable relative to each other and formed with flat working faces 27 to define a polygonal cross-section working zone with curved working faces 28 which co-operate when the shoes are closed to define a cylindrical recess and an entry zone defined by bevelled faces also of flat and curved form to shape the transition zone between the tube point and the tube. The shoes are moved inwards by a camming action between adjacent shoes as an upper block 15 of the die housing is moved downwards by a ram 67. The tube end is initially shaped to a polygonal section with flat sides 38, Fig. 8, joined by curved corner zones 39. Upon further inward movement of the die shoes the sides 38 buckle inwards, Fig. 9, and the curved corner zones 39 are brought together by the curved working faces 28. There may be three, four, six or eight die shoes co-operating together to form a gap free deforming zone. An hydraulic spring 61, 62 is provided for one of the shoes, e.g. the uppermost shoe, to bias the shoes to the open position when the ram 67 is raised. The other shoes are mounted on coiled springs 51, 58.
Patent GB-1024695-A (GB)
Title: Process for the manufacture of pure 2-chlorobutadiene-1,3 from monovinylacetylene and hydrogen chloride in an aqueous-acid cupro-chloride catalyst
IPC: C07C17/08
Filed: 1962-10-08
Abstract: Chloroprene is prepared by introducing pure gaseous monovinylacetylene and gaseous hydrogen chloride into an aqueous-acid cuprous chloride catalyst containing 8-20% by weight cuprous chloride and 10-35% by weight hydrogen chloride, the molar ratio HCl: CuCl in the catalyst being from 4.3: 1 to 6: 1, and separating the resulting reaction products by distillation. Examples are given.  Comparative examples employ ratios outside the range specified above. By-products obtained are 1-chlorobuta-1,3-diene, 1,3-dichlorobut-2-ene and methyl vinyl ketone.ALSO:A catalyst for the production of chloroprene from monovinylacetylene and hydrogen chloride (see Division C2) comprises an aqueous-acid cuprous chloride catalyst containing 8-20% by weight cuprous chloride and 10-35% by weight hydrogen chloride, the molar ratio of hydrogen chloride to cuprous chloride (calculated as CuCl) being in the range of from 4,3 : 1 to 6 : 1.  Examples are given. Comparative examples describe catalysts of the above type in which the ratio of HCl to CuCl is from 2,25 : 1 to 4,3 : 1.
Patent GB-841166-A (GB)
Title: Improvements in or relating to buildings with cavity walls
IPC: E04D13/064
Filed: 1957-12-06
Abstract: 841,166. Service conduits in walls; roof gutters. SNAZELL, C. W. March 6, 1959 [Dec. 6, 1957], No. 38084/57. Classes 20(2) and 20(4) [Also in Group XXVIII] A cavity wall 10 of a building contains a rain water pipe 9. In Fig. 1 the pipe 9 is flexible and extends through an opening in the wall surrounded by a frame 18 and is connected to the gutter 15 by a connecting pipe 21. A cover plate 19 for the frame 18 is formed integral with the pipe 9. The pipe may be oval and have external longitudinal ribs for engaging the brickwork and grooves for draining water. In a modification the connecting pipe 21 is in two sections one section being integral with the cover plate 19 and connected to the pipe 9 inside the wall. In Fig. 7 is shown an eaves and gutter block 44 of a further arrangement having an opening 47 connected to the upper end of the pipe 9 in the wall cavity. Block 44 forms one of a course of blocks 45 extending over the cavity in the wall. A grill is fitted in grooves 53. The lower end of the pipe 9 passes out of the wall through a frame 18 and engages in an outlet pipe integral with the frame cover.
Patent GB-1449526-A (GB)
Title: Down-draught deflector
IPC: F23M9/00
Filed: 1974-08-30
Abstract: 1449526 Down-draught deflectors NEDERLANDSE GASUNIE NV 30 Aug 1974 [31 Aug 1973 31 July 1974] 38129/74 Heading F4J A down-draught deflector between two flue sections 2 and 3 comprises a tube 1 substantially the same width as the flue, a frusto conical deflector 4 having a smallest width from 0À3-0À9 times the tube width, an elongated bafflle 15 immediately above the deflector having a largest width of 0À2-0À9 times that of the tube, apertures 7 in the tube wall opposite the baffle and radial walls 8 connecting the baffle to the tube and arranged to prevent direct flow from one aperture to another. The profile of the baffle 5 may approximate to a triangle, semicircle, semiellipse, parabola or hyperbola and its lower end is located near the top of the deflector 4. Its length may be 0À25- 1À0 times the width of the tube. Alternatively, it may be a flat plate located above the top of the deflector by a distance of 0À2-1À0 times the tube width. The tube 1 may be of circular or polygonal cross-section.
Patent GB-819934-A (GB)
Title: A picker stick checking device in weaving looms
IPC: D03D49/36
Filed: 1956-12-14
Abstract: 819,934. Checking picking sticks in looms. METAPIC S.A. HOLDING LUXEMBOURGEOISE. Dec. 14, 1956 [Dec. 17, 1955], No. 38265/56. Class 142(2) A picking stick is checked by a buffer comprising several strips 1-3 of leather secured by bolts 13, 14 to a support 17 and having spaces 5, 6 between the strips. Only the middle portion of the strips need be of leather.
Patent GB-335835-A (GB)
Title: Improvements in or relating to pivoted sliding windows
IPC: E06B3/50
Filed: 1929-12-13
Abstract: 335,835. Hartmann, F. Dec. 13. 1929. Pivoted - sliding windows. - A locking device to prevent pivoted sliding sashes sliding when turned on their pivots is provided by a groove 11 concentric with the pivot 7 on an angle-piece secured to the bottom corners of each sash, and a corresponding projection 12 on a plate 4 secured to each side of the frame lining, Figs. 3 and 5. A projecting edge 15 on the angle-piece is adapted to prevent sliding movement after a slight pivotal displacement by engaging the projection. The sliding grooves 2, 3 for the sashes merge in a pivot bearing in the plate 4. The sash cords are connected to arms 14 on the pivots 7.
Patent GB-1113285-A (GB)
Title: Stabilisation of zeolites
Inventor: MCDANIEL CARL VANCE
IPC: B01J20/18
Filed: 1965-09-08
Abstract: A zeolite of formula M2O :Al2O3 : 3.5-7 SiO2:0-9 H2O, where M is alkali metal, is base exchanged with a solution containing H+ ions or cations which decompose to give H+ ions, until the alkali metal content (as oxide) is 1-4% b.w., and then heated at 700-870 DEG  C. The exchange solution may be of an inorganic or organic acid, an ammonium or quarternary ammonium compound or salt of an organic N base, or a cross-linked vinyl ion exchange resin in its H form. Exhaustive lists of suitable materials are given.  The exchange cations may be present in excesses of 5-600 vol. per cent, and the exchange carried out at 25-150 DEG  C.  The initial zeolite may be natural or synthetic faujasite, e.g. 2-14 HS prepared as described in Specification 986,864.  The product is said to have the formula (xM2O. yH2O):Al2O3:3.5-7 SiO2:0-9 H2O where x is 0.1-0.3 and y is 0-9, and has a unit cell size of 24.4-24.55A.
Patent GB-1430259-A (GB)
Title: Posts
IPC: E04H12/08
Filed: 1973-08-14
Abstract: 1430259 Yieldable post L SVENSSON 14 Aug 1973 [25 Aug 1972] 38444/73 Heading E1B A post for street lights or traffic direction signs which gives way upon transverse impact comprises a shell 3 and a number of longitudinally extending rods 1 each having a length substantially that of the shell connected to the shell, the connections between the rods and shell being breakable under a predetermined transverse locally acting load to break the co-operation between shell and rods and allow yielding of the post. The rods may be connected to the shell on either its inner or outer surface. The rods may be connected intermittently, e.g. by welds or mechanical connections or may be welded continuously to the shell.
Patent GB-1183594-A (GB)
Title: Cyanuric and Chlorocyanuric Acids
IPC: C07D251/36
Filed: 1967-08-21
Abstract: 1,183,594. Cyanuric and chlorocyanuric acids. MONSANTO CO. 21 Aug., 1967 [25 Aug., 1966], No. 38479/67. Heading C1A. The biuret content of cyanuric acid is reduced by reacting an aqueous solution of an alkali metal hydroxide or an alkaline earth metal hydroxide, oxide, or carbonate, with the cyanuric acid to form a metal cyanurate salt solution or slurry, this then being reacted with chlorine or a chlorine-liberating compound, for a time sufficient to decompose the biuret in said cyanurate solution without chlorinating said cyanurate, at a pH of not less than 10À5. Chlorine-liberating compounds may be any compound which liberates chlorine when dissolved or dispersed in aqueous solution, e.g. hypochlorites, chlorine itself or trichlorocyanuric acid. This biuret removal may be incorporated as a step in the synthesis of dichlorocyanuric acid or salts thereof, trichlorocyanuric acid, complexes of chlorinated cyanuric acids, e.g. [(mono - trichloro) tetra - (monopotassium dichloro)] penta - isocyanurate, melamine, trialkyl isocyanurates, cuprammonium cyanurate, or tris-2-hydroxyalkyl isocyanurates.
Patent GB-1153305-A (GB)
Title: Flywheels for Internal Combustion Engines
Inventor: BLAIR ROBERT ROSS
IPC: F16F15/30
Filed: 1966-08-31
Abstract: 1,153,305. Torsional vibration dampers; flywheels. FORD MOTOR CO. Ltd. 31 Aug., 1966, No. 38739/66. Headings F2S and F2T. A massive annular flywheel 1, has imbedded therein, during a casting process, the periphery 2a of a flexible web 2, made, e.g., of mild steel, the inner edge of the web, preferably provided with a reinforcing-member 3, being adapted to be connected to the crank-shaft, e.g., of an I.C. engine. The web 2 and reinforcing - member 3 have aligned central holes 4, 5 and and aligned holes 6, 7 for fixing bolts, the reinforcing member being welded to the web 2 either before, or after, the casting of the annulus 1. The periphery 2a is scolloped or otherwise shaped.
Patent GB-904462-A (GB)
Title: Improved photographic processes
IPC: G03C5/50
Filed: 1958-12-01
Abstract: 904,462. Photographic processes. KODAK Ltd. Dec. 1, 1958 [Nov. 29, 1957], No. 38748/58. Class 98 (2). In reversal processing of colour or black and white material, an aqueous solution of an alkali metal borohydride is used as a chemical fogging agent to form the reversal latent image. In an example, an exposed silver chlorobromide emulsion is developed in a hydroquinone developer containing paraformaldehyde and bleached with potassium permanganate. After cleaning with a sodium bisulphite solution, the emulsion is treated with a 1% alkaline solution of potassium borohydride. The whole of the remaining silver halide is immediately reduced to silver. An example of reversal processing of a tri-pack colour film having layers containing colour couplers is also given. The steps include development with an N-methyl-p-aminophenol developer and hardening with an aqueous solution of potassium chrome alum. Sodium borohydride is applied in a 0.025% alkaline solution for 30 seconds in order to render all the remaining silver halide developable by means of a colour forming developer of specified composition. The Specification refers to the prior use of aromatic hydrazines as fogging agents. Specifications 651,749, 653,284, 702,162, 728,368 and U.S.A. Specifications 2,266,443, 2,272,191, 2,552,240, 2,552,241 and 2,552,242 are referred to.
Patent GB-908656-A (GB)
Title: New water-insoluble monoazo dyestuffs of the benzthiazoleazo-benzene series
Inventor: FISHWICK BRIAN RIBBONS
IPC: C09B29/033
Filed: 1958-12-03
Abstract: 2-amino-6-dimethylsulphamyl-benzthiazole is prepared by treating p-dimethylsulphamylaniline with sodium thiocyanate and bromine in acetic acid; 2-amino-6-N-methyl- or -b -hydroxyethyl- or -isopropylsulphamyl-benzthiazoles are similarly prepared. Aniline-4-N-isopropylsulphonamide is prepared by reacting isopropylamine with p-acetylaminobenzene sulphonyl chloride to give acetanilide-4-N-isopropylsulphonamide which is hydrolysed. 2-amino-4-N : N-dimethylsulphamyl-benzthiazole is prepared by treating o-nitrobenzene sulphonyl chloride with dimethylamine and reducing the product to aniline-2-dimethylsulphonamide which is treated with an acetone solution of benzoylthiocyanate to give N-benzoyl - N1 - [2 - (N11:N11-dimethylsulphamyl) phenyl]thiourea. This product is hydrolysed to give N-[2-(N1:N11-dimethylsulphamyl)phenyl] thiourea which is treated with a solution of bromine in chloroform.  2-amino-4-chloro-6-(N : N-dimethylsulphamyl) benzthiazole is prepared by chlorosulphonating o-dichlorobenzene and condensing the product with dimethylamine to give 1:2-dichloro-4-dimethylsulphamyl-benzene which is heated under pressure with ammonia to give 2-chloro-4 - dimethylsulphamyl - aniline.  This is then treated as above giving N-benzoyl-N1-[2-chloro-4-dimethylsulphamylphenyl]thiourea and N - (2 - chloro - 4 - dimethylsulphamylphenyl) thiourea as intermediates. Specification 440,113 is referred to.
Patent GB-1091997-A (GB)
Title: Play set with toy vehicles
IPC: A63H18/14
Filed: 1966-09-01
Abstract: 1,091,997. Toy vehicle track. A. EINFALT and J. EINFALT, [trading as GEBR. EINFALT BLECHSPIELWARENFABRIK], Sept. 1, 1966 [Feb. 14, 1966], No. 39039/66. Heading A6S. A toy vehicle track consists of a base (a) provided with a road track and a rotatable screw spring (c) sunk into the track which may be engaged by a pin-like element extending from the bottom of a toy vehicle so that when the spring is rotated the vehicle will move in the appropriate direction. The spring is secured into the base by forming a hemi cylindrical hollow (e in Fig. 2) with flanks (f) raised above the base level thus forming upwardly-projecting end portions or ribs (g) extending along the slot. These rib-like end-portions (g) of the flanks (f) are then bent inwards towards one another in a pressing process so that they assume the position in Fig. 3 leaving the slot (d) through which the pin of the vehicle is projected.
Patent GB-889459-A (GB)
Title: Improvements in or relating to synchronising apparatus
Inventor: GROSS WALTER
IPC: G03B31/04
Filed: 1959-11-18
Abstract: 889,459. Synchronizing magnetic tapes with kinematograph cameras. KAMERAUND KINOWERKE DRESDEN VEB. Nov. 18, 1959, No. 39102/59. Class 40 (2). A case 1, attachable to a clockwork-driven camera 2 contains a synchronous motor 5, commutated by associated magnetic tape-driven means so as to run in step with the tape, drive means 10 engaging the camera drive to initially synchronize the camera and later, to take over the drive when the clockwork motor has run out. A starting button 29, associated with a pawl and switchgear (Fig. 2, not shown) releases the camera delaying feeding power to the motor 5 until the clockwork motor has run the motor 5 up to near-synchronous speed and at the same time provides a marking signal to the tape via a cable 11. A knob 9 and flywheel 8 enable the motor to be restarted and a further " long " sequence to be filmed immediately without rewinding the camera.
Patent GB-341681-A (GB)
Title: Improvements in or relating to counting devices for barrels and the like
IPC: G06M1/08
Filed: 1929-12-21
Abstract: 341,681. Counting - apparatus. AVERY, Ltd., W. & T. and BRADLEY, L. C., Soho Foundry, Birmingham. Dec. 21, 1929, No. 39119. [Class 106 (i).] Counters for articles.- Barrels or like articles are counted, according to size, by being passed beneath a feeling arm 7 the swing- ing movement of which determines which of a number of counters 15 shall be actuated. The arm is fixed to a rocking shaft 6 provided with a crank arm 8 carrying a spring-controlled pawl 9. The counters are arranged above a quadrantal guide 13 comprising Z-shaped deflector plates 14 spaced apart. As a barrel passes under the arm the pawl is dragged upwards along the guide 13 without operating the counters but as soon as the arm commences to return the pawl descends between the plates and operates the corresponding counter after which the pawl returns to home position along a guide plate 16 and through a non-return door 17. The counters and their operating means are duplicated at each end of the shaft 6, dashpots 18 are provided and the counters may be enclosed by lockable covers.
Patent GB-1143176-A (GB)
Title: Cushion assembly
Inventor: SCHUTZ ERICH HANS
IPC: A47C31/06
Filed: 1967-08-25
Abstract: 1,143,176. Spring upholstery. LEAR SIEGLER Inc. 25 Aug., 1967. No. 39144/67. Heading A4M. A cushion assembly comprises a plurality of sinuous springs 14 spanning a rectangular frame 12, each spring 14 being clipped, at 26, to a frame side 16 at one end and being supported at its opposite end by a cantilevered spring steel strip 30 secured, at 36, to the opposite frame side 16. The free end of the strip 30 has an upwardly open pocket 40<SP>1</SP> to receive the terminal straight portion 24<SP>1</SP> of the spring 14, the latter being reversely bent at this end. The straight portion 24<SP>11</SP> of the spring at the bend is engaged beneath the strip 30. The inner, upper corner of the frame side 16 is rounded, at 40.
Patent GB-1056866-A (GB)
Title: Improvements in polymer production
IPC: C08G2/00
Filed: 1963-10-04
Abstract: An oxymethylene polymer in powder form is prepared by polymerizing or copolymerizing trioxane in a liquid mixture containing at least 50 per cent of trioxane while subjecting the polymerizing material simultaneously to shearing and blending, the process being characterized by the fact that throughout the operation on excess of liquid trioxane above that left after 65% conversion is maintained in admixture with the forming polymer and is afterwards separated from the powdered polymer.  The conditions and the apparatus employed may be those of the parent Specification.
Patent GB-1383014-A (GB)
Title: Sterilisation of packaged articles with volatile sterilants
IPC: B65B55/02
Filed: 1971-12-29
Abstract: 1383014 Sterilizing packaged articles PROCTER & GAMBLE CO 29 Dec 1971 [29 Dec 1970] 39253/74 Divided out of 1383013 Heading A5G A. sterilized article wrapped within a sealed gas-permeable, bacteria-impervious package is produced by vacuum sealing the package and subsequently injecting gaseous or volatile sterilant into the package, sealing any hole in the package created by injecting the sterilant and then ventilating the sealed package until the content of sterilant is at a safe level.
Patent GB-933406-A (GB)
Title: A cobalt-chromium base alloy
Inventor: BAATSEN GEERARD
IPC: B23K35/30
Filed: 1960-11-17
Abstract: A powder for application to ferrous surfaces consists of powdered alloy of the following percentage composition:- .C.0.1- 3 .Si.1 - 5 .B.0.9- 4 .Mo and/or W.3 -20 .Cr.15 -35 .Ni.1 -20 .Co.the remainder (but not less .than 25). admixed with tungsten carbide powder, the particle size of the admixed powder being not more than 0.007 inch. A wear-resistant coating may be applied to a ferrous article by depositing successively a layer of powdered alloy of the above composition, a layer of powdered alloy admixed with carbide and a further layer of powdered alloy.  The layers are deposited by an oxy-acetylene flame spraying torch and the whole deposit is fused by the torch. Specifications 657,300, 693,719 and 707,228 are referred to.
Patent GB-1329938-A (GB)
Title: Refuse compacting machine
IPC: B30B9/30
Filed: 1972-08-24
Abstract: 1329938 Compacting refuse K SMOLKA 24 Aug 1972 [25 Aug 1971] 39513/72 Heading B8C A refuse compacting machine has a loading aperture leading to a compacting chamber 2, and a compacting member 7 rockable by an hydraulic piston cylinder unit 13 about a horizontal axis 11 to compact the refuse and eject it through an outlet channel 3. The compacting member comprises a presser plate 8 joined by an arcuate plate 9 to a back plate 10. There may be a unit 13 disposed on each side of the outlet channel and a spring pressed plate 18 forming a wall of the chamber. In a modification the member 7 is rockable upwardly through the chamber with the outlet channel disposed above the axis 11.
Patent GB-1184153-A (GB)
Title: Process for reducing the 2-Dichlorobutadiene-(1,3) and Benzene Contents of 1,2-Dichloroethane Recovered from 1,2-Dichloroethane Thermally Cracked into Vinyl Chloride
Inventor: JACOBOWSKY ARMIN
IPC: C07C17/38
Filed: 1968-08-20
Abstract: 1,184,153. Dichloroethane; vinyl chloride. KNAPSACK A.G. 20 Aug., 1968 [25 Aug., 1967], No. 39825/68. Heading C2C. Impure 1,2-dichloroethane, recovered from a process in which 1,2-di-chloroethane is subjected to thermal cracking to give vinyl chloride, is purified by heating the impure 1,2-dichloroethane containing 2 - chlorobuta - 1,3 - diene, hexene and not more than 40 p.p.m. by weight of water in a closed vessel with 0À01-0À5% by weight of anhydrous aluminium chloride at a temperature between 70‹ and 150‹ C. After the heating step hydrogen chloride formed during that step may be vented, and the 1,2-dichloroethane is then neutralized with ammonia and distilled. The dichloroethane may be obtained by chlorination of ethylene with Cl 2  and/or by oxychlorination of ethylene with air and HCl, which HCl may be obtained from the cracking step.
Patent GB-1126710-A (GB)
Title: A method of producing steel with increased machinability
IPC: C22C38/60
Filed: 1966-09-07
Abstract: 1,126,710. Making pre-cutting steel. HUTNICTVI ZELEZA, GENERALNI REDITELSTVI. Sept. 7, 1966 [Jan. 29, 1966], No. 39920/66. Heading C7D. To increase machinability, Pb, Sb, Te, Se, Zn or alloys or compounds of these elements is added to molten steel as particles having surface/volume ratio of more than 150:1.
Patent GB-1518125-A (GB)
Title: Trisazo compounds
IPC: D21H21/28
Filed: 1975-09-30
Abstract: 1518125 Trisazo dyes SANDOZ Ltd 30 Sept 1975 [4 Oct 1974 25 July 1975] 39936/75 Addition to 1440088 Heading C4P Novel trisazo dyes having the formula (where R is H, methyl or methoxy and M is H or a cation equivalent) are prepared by diazotizing the corresponding aminodisazo dye and coupling with the appropriate 1-anilino-8-sulphonaphthalene. The dyes are used for colouring natural or regenerated cellulose, natural or synthetic polyamides, polyurethane, basic modified polyolefines, paper, anodized aluminium and leather in blue shades.