baber/WOPTO huggingface dataset:
Patent GB-853147-A (GB)
Title: Improvements in or relating to over-running or one-way engaging devices and the like
Inventor: HARRIS DAVID PERCIVAL
IPC: F16D41/07
Filed: 1957-07-16
Abstract: 853,147. Ratchet clutches. RENOLD CHAINS Ltd. July 1, 1958 [July 16, 1957], No. 22553/57. Class 80 (2). [Also in Group XXXIV] In a jamming-roller one-way clutch or brake comprising pairs of rollers 16 between coaxial cylindrical races 14, 15 of relatively movable members 11, 12, the sum of the diameters of each roller pair exceeds the distance between the said races, and a helical garter spring 24 passing between the rollers of each pair, which rollers have peripheral spring-receiving grooves and are loosely rotatably mounted on pins 22 linked by plates 21, positions the rollers so that their peripheries are in contact with the said two races respectively.
Patent GB-1468840-A (GB)
Title: Substituted nitrogen hetero-cycles
IPC: C07C49/84
Filed: 1974-05-21
Abstract: 1468840 2 - Pyrazinyl -, 3 - pyridyl or 5- pyrimidinyl-methanols ELI LILLY & CO 21 May 1974 22577/74 Heading C2C Novel methanol derivatives of general formula where R is an optionally substituted 2-pyrazinyl, 3-pyridyl or 5-pyrimidinyl group; R<SP>1</SP> is an optionally substituted phenyl, pyridyl, C 1-12  alkyl or monocyclic C 3-8  cycloalkyl group and R<SP>2</SP> is an optionally substituted (fluoroalkoxy)phenyl; 3,4-(difluoromethylenedioxy) - phenyl or 2,2,4,4 - tetrafluoro - 1,3 - benzodioxanyl group or an addition salt thereof with a non-phytotoxic acid, are prepared by reacting a ketone of formula R<SP>1</SP>-CO-R<SP>2</SP> with 5-bromopyrimidine, 2-iodopyrazine or 3-bromopyridine. Amongst numerous examples there are prepared α - isopropyl - α - [(p - trifluoromethoxy)phenyl]- 2 - pyrazinemethanol, α - cyclohexyl - α - [p- (1,1,2,2 - tetrafluoroethoxy)phenyl] - 3 - pyridinemethanol and α - [3,4 - difluoromethylenedioxy)phenyl] - α - isopropyl - 5 - pyridinemethanol. Isopropyl - p - (CF 3  and C 2 F 5 ) - oxyphenyl ketones are obtained from the p-bromo-fluoroalkoxybenzene with isobutyronitrile acting on the Grignard derivative or isobutyraldehyde acting on the n-butyl lithium derivative. 3,4 - (Dichloromethylenedioxy)bromobenzene (II) is prepared from 3,4-(methylenedioxy)- bromobenzene and PCl 5 . 3,4 - (Difluoromethylenedioxy)bromobenzene (III) is obtained by treating product II above with SbF 3 . 3,4 - (Difluoromethylenedioxy)phenyl isopropyl carbinol (IV) is produced by adding isobutyraldehyde to the n-butyl lithium derivative of compound III. 3,4 - (Difluoromethylenedioxy)phenyl isopropyl ketone is obtained by CrO 3  oxidation of compound IV. Cyclohexyl - 3,4 - (difluoromethylenedioxy) phenyl ketone is produced by reacting cyclohexylcarboxaldehyde with 3,4-(difluoromethylenedioxy)benzene magnesium bromide, Plant growth inhibiting compositions comprise an effective amount of compound I or an acid addition salt thereof with an agriculturallyacceptable carrier and a dispensing agent.
Patent GB-860132-A (GB)
Title: Caps on writing devices such as fountain pens
IPC: B43K23/12
Filed: 1957-07-17
Abstract: 860,132. Writing instruments. RODENHAUSER, E., [trading as RODENHAUSER, E. [Firm of]]. July 17, 1957 [Judy 18, 1956], No. 22640/57. Class 146(3). A cap for a writing instrument comprises an outer shell 2, e.g. of celluloid, with a conically tapered end, a metal sleeve 3 fitted into the other end of the shell and protruding therefrom, and a plastic lining 5 injection moulded into the shell 2 and forming a rounded tip at the end of the shell remote from the sleeve 3, the tip having an axially extending tapped blind hole 11. A decorative metal ring 4 is secured to the projecting part of the sleeve 3 and a pocket clip is secured to the cap by means of a screw 6 engaging in the hole 11. The cap may be used to protect and/or actuate self filling mechanism.
Patent GB-807330-A (GB)
Title: A multiple centrifugal dust separator
Inventor: ALLANDER CLAES
IPC: B04C5/28
Filed: 1957-07-17
Abstract: 807,330. Centrifugal separators. SVENSKA FLAKTFABRIKEN A.B. July 17, 1957, No. 23670/57. Class 23 A multi-cell cyclone having a clean air discharge chamber 12 separated from a dirty air inlet chamber 11 by a partition 10, and dust discharge pipes 13 connecting vertical rows of cells is built up from a series of units. Each unit comprises a cyclone having a tangential inlet 2 and clean air outlet 6, a length of dust discharge pipe connected to the dust outlet 5 of the cyclone, and a flanged plate 7 attached to the body of the cyclone and forming part of the partition. In a modification the separator is composed of units comprising two cyclones mounted on a flanged plate.
Patent GB-1387457-A (GB)
Title: Procedure and a device for the sterilization of packaging material
IPC: A61L2/07
Filed: 1972-05-15
Abstract: 1387457 Sterilizing packaging webs QUEPOR SA 15 May 1972 [19 May 1971] 22762/72 Heading A5G A surface 1a of a web of packaging material 1 is sterilized by applying thereto a film of a liquid sterilizing agent which is a solution of H 2 O 2  from the bath 5 and passing it through a chamber 9 in which the atmosphere is saturated with sterilant vapour and where it is subjected to heating e.g. from infra red heaters 14 and 15 or electrical heaters 14' and 15' (Figs. 4a and 4b, not shown), the atmosphere in the chamber being maintained as still as possible, e.g. by means of barriers 16. On leaving the chamber, the web passes through a drying chamber 22 where it is subjected to a stream of hot air. Desirably, the heaters are arranged so that the first ones rapidly raise the temperature of the web to that desired and the later ones maintain it at that temperature. Desirably also the web is given a partially doubled configuration (see Figs. 3 and 5, not shown) in preparation for subsequent packaging steps.
Patent GB-531923-A (GB)
Title: Machines for forming undercut grooves of varying configurations
IPC: B27F1/00
Filed: 1939-08-08
Abstract: 531,923. Grooving machines. BURGESS, A. F. (Onsrud Machine Works, Inc.). Aug. 8, 1939, No. 22831. [Class 145 (i)] A machine for making undercut grooves in wood is provided with a number of independently adjustable rotary cutters arranged substantially in line so as to perform succesive cutting operations in the same groove. In cutting grooves transversely through a number of boards, the boards are pushed against transverse cleats 7 and otherwise positioned by gauges and are then clamped on to the table by yieldable arms 18 operated through shafts 12 from pneumatic cylinders 15. The cutting unit is fed along the overhead guideway structure 5 by screw 26, and comprises one electromotor 31 driving through superposed belts, a number of vertical spindles each carrying a cutter and adjustable in several directions independently. The feed screw 26 is rotated by an electromotor which is automatically stopped at the end of the travel of the cutting unit and reversed ready for operation in the opposite direction when switch button 57 is pressed.
Patent GB-228700-A (GB)
Abstract: 228,700. Alexander, J. E. Jan. 28, 1924. Drying materials in long lengths.- Paper &c. in web form is dried by being conveyed in a circuitous path through a housing containing heating-units controlled automatically so as to maintain graduated temperatures in the housing. The web is conveyed by the belt 14 into the space between two foraminous endless belts supported upon rollers 27, 33 and after passing between further pairs of belts passes out of the apparatus through a slot in the top of the outer wall. Electric heating-elements 39 controlled by thermostats 40 are arranged between the belts, and vapours are withdrawn from the housing through a hood 9 arranged along one side thereof. The chamber is formed of end sections 1 and 2 which communicate, through slots for the passage of the belts, with an intermediate section 3. Air spaces are arranged in the walls of all the sections the intermediate section being built up of hollow non-conducting tiles. The web is removed from the feed belt by jets of air issuing from a pipe belt 14.
Patent GB-1299253-A (GB)
Title: Detergent compositions
Inventor: CASTELLANI MINO
IPC: C10M159/24
Filed: 1970-05-12
Abstract: 1299253 Lubricants containing overbased sulphonates ESSO RESEARCH & ENG CO 12 May 1970 22900/70 Heading C5F [Also in Division C2]  The invention comprises a process of preparing a highly basic detergent additive in which to a reaction vessel, containing a substantially anhydrous reaction mixture comprising an oil solution of (a) an oil-soluble sulphonic acid or an alkaline earth metal sulphonate (b) an aromatic or aliphatic hydrocarbon (c) methanol, the volume ratios of components (b) to (c) being between 30 : 70 and 80 : 20 (d) from 1À0 to 2À5% by weight based on the weight of oil of an ammonium halide, and (e) not more than 40% by weight based on the total weight of oil plus component (a) of calcium oxide, carbon dioxide is introduced until no more is absorbed whilst the reaction vessel is maintained with an absolute pressure of between 1À1 and 3À5 kg/cm<SP>2</SP>. A long chain mono- or dicarboxylic acid, e.g. derived from polyethylene, polypropylene or polyisobutene can be included in the reaction mixture. The additives may be used in mineral or synthetic lubricating oil compositions. In the preferred compositions the proportion of detergent additive is between 0À01 and 10% by weight of the lubricating oil.
Patent GB-442269-A (GB)
Title: Improvements in or relating to grain screening apparatus
IPC: B07B13/04
Filed: 1935-08-15
Abstract: 442,269. Sifting-apparatus. DOWDALL, R., 132, Calle San Martin, Buenos Aires. Aug. 15, 1935, No. 22983. [Class 117] Apparatus for screening grain comprises a number of parallel discs 1 mounted on a rotary shaft 2 and spaced by discs 3. A hopper 9, distributer 10 and shoot 11 feeds the grain to the rising side of the discs. The undersize material falls through between the discs into a shoot 8, and the larger grains are carried round with the discs to the falling side where they are discharged into a shoot 14 by a comb 6 which penetrates between the discs and rotates in the same direction, being mounted on a shaft 7<a> parallel to and driven by chain gearing, from the shaft 2. The bottom edge of the shoot 11 is serrated at 13 so as to lie close to the peripheries of the discs.
Patent GB-1532036-A (GB)
Title: Printing
IPC: D06P5/30
Filed: 1976-06-03
Abstract: 1532036 Liquid jet printing STORK BRABANT BV 3 June 1977 [3 June 1976] 22989/76 Heading B6C  Materials to be printed using liquid jets produced by inducing pressure waves in the liquid are pre-treated with one or more chemicals which are not dyestuffs. The invention is applicable to textiles or paper webs and may involve treatment with thickeners, mordants, pH control agents, wetting agents, &c. before printing with the dyestuffs. It is stated that the inclusion of such materials in a pre-treatment may make it easier to formulate the printing liquid composition.
Patent GB-372643-A (GB)
Title: Improvements in socks and methods of making the same
IPC: A41B11/00
Filed: 1931-08-15
Abstract: 372,643. Socks or hosiery. BYER, L. J., 54, Stearns Rood, Brookline, Massachusetts, U.S.A. Aug. 15, 1931, No. 23065. Convention date, Sept. 4, 1930. [Class 141.] Socks provided at the top with an enclosed garter are made, as indicated in Fig. 3, by turning back on the body por. tion 2 of the socks a welt portion 4, placing the garter 8 in the position shown, folding the lower part of the welt back again to enclose the garter, and sewing the edge 7 to the junction 6 between the welt and body portions. The stitches of the seam are only carried part way through the material of the sock. The finished sock is shown in Fig. 7 with part of the welt broken away to expose the garter.
Patent GB-1427761-A (GB)
Title: Process for the manufacture of steroid epoxides
IPC: C07J71/00
Filed: 1973-05-15
Abstract: 1427761 Preparation of 5α,6α-epoxy-steroids CIBA-GEIGY AG 15 May 1973 [19 May 1972] 23105/73 Heading C2U A 5α,6α-epoxy-steroid is prepared by reacting a 5α,6#-dihydroxy-steroid in an inert organic solvent with an amine of the formula wherein X 1  is F or Cl, X 2  is Cl, F or CF 3 , and R and R<SP>1</SP> are each alkyl or -NBR<SP>1</SP> is a 5- to 7- ring membered heterocyclie radical. The process is desirably effected under anhydrous conditions, and in the presence of an organic nitrogen base to prevent a secondary slow reaction in which the formed epoxide is converted to a 6#,5α - fluorohydrin. (See Specification 1,427,762.
Patent GB-669942-A (GB)
Title: Improvements in or relating to the manufacture of wrapping materials
IPC: B65D81/28
Filed: 1949-09-06
Abstract: 669,942. Food wrappings. WALLENBERG, K. E. S. Sept. 6, 1949, No. 23108/49. Class 49. [Also in Group VIII] Wrapping materials for the prevention of growth of mould on bread and other foods are made by impregnating or coating paper, cardboard, metal foil, plastic sheet or the like with a.medium containing paranitrobenzoic acid or an ester thereof. Examples are concerned with applying paraffin wax containing 5 per cent of ethyl paranitrobenzoate, a nitrocellulose or ethyl nitrocellulose lacquer containing 5 per cent of ethyl paranitrobenzoate, or an oil or water suspension of paraffin wax containing 5 per cent of ethyl paranitrobenzoate to the insides of paper or cardboard containers and to sheets of paper, aluminium foil, tin foil, cellulose acetate, or the like.
Patent GB-586245-A (GB)
Title: An improved conduit for handling corrosive fluids
IPC: F16L58/00
Filed: 1944-11-23
Abstract: 586,245. Pipes and pipe joints. ARNOLD, C. (Standard Oil Development Co.). Nov. 23, 1944, No. 23359. [Classes 99 (i) and 99 (ii)] A pipe for conveying corrosive fluids comprises a steel or other metal shell 10, a lining 14 of porous material such as porcelain or carbon and an intermediate lining of thick sheet lead 12. The flanges 15 are welded to the shell 10 and the lead lining is flared or flanged over to form a seating for the flanged joints.
Patent GB-402556-A (GB)
Title: Improvements in or relating to removable closures for apertures in discs
IPC: B60B3/00
Filed: 1932-08-22
Abstract: 402,556. Covering discs for wheels and brakes. INDIA RUBBER, GUTTA PERCHA, & TELEGRAPH WORKS CO., Ltd., Aldwych House, Aldwych, and TARRIS, F. J., c /o India Rubber, Gutta Percha, & Telegraph Works Co., Silvertown, both in London. Aug. 22, 1932, No. 23447. [Classes 103 (i) and 144 (i).] An aperture in a wheel-covering disc, or a torquedisc for wheelbrakes, is closed by a plate 11 adapted to lie flush with one surface of the disc from which the plate is depressed against resilient means and then moved laterally to uncover the aperture. In the construction shown, the plate is fitted with channelled cross-strips 12, 13 and spring-ended strips 18, 19 arranged to slide in guides 16, 17 fitted adjacent the aperture. The ends of the guides are folded over to form stops 22, 23.
Patent GB-1315874-A (GB)
Title: Machines for narrowing tubular articles with thickness regulation
IPC: B21D41/04
Filed: 1971-04-19
Abstract: 1315874 Rolling; stamping P CUQ 19 April 1971 [20 March 1970] 23525/71 Addition to 1215042 Headings B3M and B3Q The machine of the parent Specification is modified by the provision of links 29 for driving the core 24. The links have a lost-motion connection at one end with the core-rod 25 and at the other end are turned about pivots 30 by hydraulic cylinders 18 which also operate a platform 6. Mounted on the platform are links 5 which are connected to the sectors 1, needle bearings being provided at both ends of the links 5 and at the bearing points of the sectors 1 on members 3. A blank may be reduced throughout its length if its base abuts the blank holder 20. The core 24 may mount an inflatable bladder 38 Fig. 4, to support the blank internally, and the sectors 1 may have detachable ends (1a), Fig. 7 (not shown).
Patent GB-734737-A (GB)
Title: Improvements in or relating to compositions of rubbery interpolymers
IPC: C08K3/34
Filed: 1953-08-26
Abstract: The brominated interpolymers of iso-olefins and polyolefins of the parent Specification are stabilized with 1 to 100 per cent of a Group II metal silicate.  The stabilizer may be incorporated into the brominated interpolymer during its manufacture, or the solids may be milled together, or a silicate dispersion, e.g. in water, may be mixed with a dispersion or solution of the interpolymer in liquids such as toluene, butane, hexane, heptane, methyl and ethyl chlorides, trichloroethane, carbon tetrachloride and chlorobenzene.  The stabilized brominated interpolymers are compatible with natural or synthetic rubbers, such as butadienestyrene and butadiene-acrylonitrile copolymers, polychloroprene and butyl and thiokol rubbers, and the physical properties of unvulcanized and vulcanized compositions are improved.  In examples the following vulcanizing agents and other ingredients are included-zinc oxide, sulphur, mercaptobenzothiazole, di-orthotolyl guanidine, stearic acid, titanium dioxide, silica, ultramarine blue and a polyester plasticizer.  The products are useful as adhesives for bonding rubbery materials to each other or to metal and are used in the manufacture of inner tubes and tyres.ALSO:Natural rubber is compounded with the brominated interpolymers of iso-olefins and polyolefins of the parent Specification which have been stabilized with 1 to 100 per cent of a Group II metal silicate (see Group IV (a)).  In examples zinc oxide, sulphur, mercaptobenzothiazole, diorthotolyl guanidine, stearic acid, titanium dioxide, silica, ultramarine blue and a polyester plasticizer are included.  The physical properties of vulcanized and unvulcanized products are improved by comparison with the unstabilized products.  The compositions are useful for bonding rubbery materials to each other and to metal and in the manufacture of inner tubes and tyres.
Patent GB-464320-A (GB)
Title: Improvements in electrically heated appliances
IPC: D06F75/24
Filed: 1936-08-27
Abstract: 464,320. Electric heating resistances. JOHNSON, G. W. (Proctor & Schwartz, Inc.) Aug. 27, 1936, No. 23554. [Class 39 (iii)] A self-supporting heating element 3 shaped to fit a cavity in an iron or other appliance is formed by moulding insulating material about a conductor. The element is then placed in the cavity and subjected to sufficient pressure to crush and consolidate the element in the cavity. The element may be formed as a bar with notches 1 at which it can be bent to fit a V-form cavity in the sole plate 5 of an iron. Triangular-section inserts are fitted in the cavity at the bends. Cover plates 8 are fitted over the element and the edges of the plates are forced into tight engagement with the walls of the cavity when the crushing pressure is applied. The insulating material may be 50 per cent fused alumina, 25 per cent talc, and 25 per cent clay. An organic binder may be added thereto. The element is dried and then baked at 500 to 600‹ F. before being placed in the cavity.
Patent GB-376531-A (GB)
Title: Improvements in or relating to hair-grips
IPC: A45D8/14
Filed: 1931-08-22
Abstract: 376,531. Hair slides. KLAAR, W., 30, Neue Griinstrasse, Berlin. Aug. 22, 1931, No. 23634. Convention date, Feb. 24. [Class 131.] In hair-grips of the kind comprising two contacting springy metal members of which the upper one in use is enclosed in a celluloid or like sheath, the inner end of the sheath is covered by a decorative member. The Figure shows the sheath 3 pushed over the member 1 until it contacts with the outer fastening 6 for the decorative member 5, which is secured also by the additional fastenings 7, 8. In one modification the sheath contacts with the fastening 7, and the fastening 6 passes round it, while in a further modification both fastenings 6, 7 pass round it.
Patent GB-852866-A (GB)
Title: Vinylidene chloride-acrylonitrile copolymer solutions
IPC: C09D127/08
Filed: 1959-07-09
Abstract: A copolymer containing 85 to 95% by weight of vinylidene chloride and 15 to 5% by weight of acrylonitrile is dissolved in a solvent system comprising 50 to 80% by weight of tetrahydrofuran and 50 to 20% by weight of toluene.  Moisture-proof coatings may be obtained by dissolving in the solutions formed a wax or wax-like substance such as carnauba, spermac, candelilla or palm wax, hydrogenated castor oil, benzyl stearate, pentaerythritol di- or tetrastearate, stearyl stearate, paraffin wax or mixtures thereof.  Other substances such as clay, colloidal silica, an alkyl aryl phosphate, maleic acid modified rosin, stearone, a silicone and acetyl tributyl citrate may be incorporated.ALSO:Moisture proof coatings may be applied to cardboard, chipboard, wallboard, plywood, wooden vats and paper cartons from a solution comprising a copolymer containing 85 to 95% by weight of vinylidene chloride and 15 to 5% by weight of acrylonitrile dissolved in a solvent system comprising 50 to 80% by weight of tetrahydrofuran and 50 to 20% by weight of toluene, and containing a wax or wax-like substance such as carnauba, spermac, candelilla or palm wax, hydrogenated castor oil, benzyl stearate, pentaerythritol di- or tetra-stearate, stearyl stearate, paraffin wax or mixtures thereof.  Other substances such as clay, colloidal silica, an alkyl aryl phosphate, maleic acid modified rosin, stearone, a silicone and acetyl tributyl citrate may be incorporated.
Patent GB-427601-A (GB)
Title: Improvements in garment-shaping machines
IPC: D06F71/22
Filed: 1934-08-16
Abstract: 427,601. Ironing-presses. FRANKEL, D., 200, 5th Avenue, New York, U.S.A. Aug. 16, 1934, No. 23684. Convention date, July 19. [Class 138 (ii)] A press for shaping parts of garments, particularly collars and cuffs, comprises a plate 12 having two points inserted in the collar &c. and carried by a block 11 which is dragged up a slot in an inclined plate 4 by means of a chain 15 and treadle, not shown. The collar &c. is thus advanced into the space defined by stationary plates 30, 31 and 33, and coacting plates 24 rockably carried by a pivoted yoke 34 are then depressed into engagement therewith by means of a treadle 37 which pivots about the same shaft 18 as the pedal operating the block 11. After depositing the collar &c. within the plates 30, 31, 33 and before the plates 24 are lowered, the plate 12 is withdrawn, leaving the collar &c. behind. The device is provided with a heater 41.
Patent GB-714395-A (GB)
Title: Improvements in and relating to tubular heat exchangers
Inventor: SPANNER EDWARD FRANK
IPC: F22B1/18
Filed: 1952-09-22
Abstract: 714,395. Tubular heat - exchangers. SPANNER BOILERS, Ltd. Sept. 22, 1952, No. 23708/52. Class 64(3) In a tubular heat-exchanger, e.g. a water heater, having a bundle of helically grooved tubes 4 carrying a heating gas, surrounded by a shell 1 and extending between tube plates 2, 3, the wall 10 of the gas outlet header 8 opposite to and spaced from the tube plate 2 is provided with perforations 11, one for each tube and each located opposite a tube, all the perforations normally being covered by a single cover plate 12 which is removable to expose the ends of the tubes for cleaning purposes. Preferably, as shown, the cover plate 12 is carried on one or a plurality of tubular studs 14 (see Fig. 5) each of which extends from the perforated plate 10 in alignment with a tube. Caps 13 are screwed on to the tubular studs 14 and serve to clamp the cover plate 12 in position against the perforated plate 12 and also to close the ends of the tubular studs.