baber/WOPTO huggingface dataset:
Patent GB-276059-A (GB)
Title: Improvements relating to aerial observation instruments
IPC: G02B23/10
Filed: 1926-05-17
Abstract: 276,059. Aldis, A. C. W. May 17, 1926. Sighting-devices.- Observation instruments for use on aircraft are provided with a lens system for the purpose of optically projecting the image of the graticule into the plane of the object viewed. The instrument comprises two tubes a, b relatively displaced, the tube a containing an illuminating apparatus for illuminating a graticule d arranged at the junction of the tubes a, b and at an angle of 45‹ thereto. A condenser e is fitted and the graticule is provided with a plate of flashed opal on its rear side to enable the graticule pattern to appear equally luminous from whatever direction it is viewed. The graticule is observed by a telescope f, g, l of unit magnification and a pair of small lenses h, i by which the graticule is focused. These lenses are of large curvature- and plano-convex and plano-concave respectively with a small adjustable air-space between them. By adjusting the positions of the lens i the graticule may be observed when viewed through the stop k as though it were projected to infinity. The viewing system is carried in a tube m axially movable in tube b by a screw n or other meansto suit various altitudes. The movement of the tube m adjusts the position of the lens i by meansof rollers q, r which move in slots in the tube m. The graticule d is rotatable in its seating.
Patent GB-727208-A (GB)
Title: Means for mounting the billet container of a metal extrusion press in its holder
IPC: B21C27/00
Filed: 1953-05-06
Abstract: 727,208. Extruding. HYDROPRESS, Inc. May 6, 1953 [May 16, 1952], No. 12619/53. Class 83 (4). The billet container 18 of a metal extrusion press is secured in its holder 20 by a split clamping ring 28 which engages between an outwardly projecting flange 27 on the container and an inwardly projecting flange 24 on the holder and which is held in position by an outer retaining ring 39 detachably mounted on the holder. The clamping-ring is formed in two segments pivoted together and has a tapered internal bore which engages a corresponding part of the container. The container is prevented from rotating in its holder by keys 22.
Patent GB-965197-A (GB)
Title: Improvements in or relating to magazines for firearms
IPC: F41A9/70
Filed: 1963-03-29
Abstract: 965,197. Firearm magazines. RHEINMETALL G.m.b.H. March 29, 1963 [March 31, 1962], No. 12630/63. Heading F3C. In a box-type magazine 1 having a spring 5 and a box-like platform 6, guide arms 8, 9 are secured to the spring 5 and bear against the wall of the magazine and an end wall of the platform 6 respectively. The spring 5 consists of individual leaf springs 5<SP>1</SP> of differing lengths riveted together at their ends. Rollers 12 are provided in the platform base 11.
Patent GB-1459167-A (GB)
Title: Resistors and compositions therefor
IPC: C03C3/07
Filed: 1975-03-26
Abstract: 1459167 Film resistor composition E I DU PONT DE NEMOURS & CO 26 March 1975 [27 March 1974] 12686/75 Heading C1M A dielectric substrate is coated with a film resistor comprising crystalline particles of (A) a conductive pyroohlore-related oxide with four metal cations and six to seven oxygen anions and (B) a metal titanate, dispersed in a matrix of a lead oxide containing glass. Specified oxides (A) are: Pb 2 Ru 2 O 6 , Bi 2 Ru 2 O 7 , Pb 2 Ir 2 O 6  and Bi 2 Ir 2 O 7 ; specified titanates (B) are PbTiO 3 , BaTiO 3 , CaTiO 3 , FeTiO 3 , SrTiO 3  and Pb 1À0 Zr 0À  57  Ti 0À43 O 3 ; and a suitable glass is PbO 50-70%, TiO 2  5-15%, SiO 2  15-35% and Al 2 O 3  0-15% which is a glass which can be devitrified to precipitate out the TiO 2 . Alternatively the titanate can be added to the frit as such or made by adding TiO 2  thereto. The preferred compositions contain 5-15% of the titanate, 10-50% of the pyrochlore-related oxide the balance being the glass which preferably contains at least 10% PbO. The powder mixture may be applied to the substrate by screen or stencil printing using standard vehicles with or without thickening and/or stabilizing additions. The coating layer may be dried at 100-150 C. and fired at 750-950 C. Examples refer to the size of the components of the frit, the coating thickness and use of an Alsimag 614 alumina substrate.
Patent GB-420432-A (GB)
Title: Improvements in or relating to hand lifting implements or devices
IPC: B65G7/12
Filed: 1933-05-02
Abstract: 420,432. Tongs. BROOKES, A. E., 24, Park Lane, and BURNHAM, R., 18, Eaton Terrace, both in London. May 2, 1933, No. 12709. [Class 61 (ii)] A hand lifting-implement comprises flat wooden &c. jaw members b, c, the latter passing through a slot b<2> in the member b and pivoted on nails or pins d. The jaws c<2>, b<3> are leather faced or provided with gripping teeth g. Member b has a part b<5> adapted to be held against the palm of the hand and the shorter member c has a loop c<3> and is adapted to be actuated by the thumb or finger. Chamfering of the member b at f enables the parts to lie flat when closed.
Patent GB-716662-A (GB)
Title: Manufacture of sulphonic acid chlorides
IPC: C07C303/02
Filed: 1952-05-21
Abstract: In a process for the manufacture of sulphonic acid chlorides from sulphonic acid salts by the action of chlorine compounds of phosphorus, chlorine is introduced into a mixture of a sulphonic acid salt and phosphorus trichloride in an inert solvent which does not dissolve the sulphonic acid salt.  The sulphonic acid may be aliphatic, heterocyclic or aromatic.  Examples are salts of benzene sulphonic acid, naphthalene b -sulphonic acid, 8-chloronaphthalene-1-sulphonic acid, 3-chloro-5-methyl-6-cyanobenzene - 1 - sulphonic acid, 3 : 5 - dimethyl - 6-chloro - benzene - 1 - sulphonic acid, 3 - ethoxy-6 - cyanobenzene - 1 - sulphonic acid and 3-methoxy - 6 - cyanobenzene - 1 - sulphonic acid.  Inert solvents mentioned are mono-, di- and trichlorobenzenes, and nitrobenzene.  About 1/3 of a molecular proportion of phosphorus trichloride per molecular proportion of the sulphonic acid salt is normally used. An excess of 10 to 20 per cent may be used when all moisture has not been excluded.  The chlorine is preferably introduced at a temperature of about 60 DEG  to 100 DEG C., and its introduction is stopped when one molecular proportion of Cl2 per molecular proportion of phosphorus trichloride has been taken up.  The reaction mixture is then preferably kept at 100 DEG  to 130 DEG  C. Before the reaction the salt may be dehydrated by distilling off the water together with a solvent.  The products, without isolation, may be reacted with amines to form sulphonamides, or with compounds containing hydroxyl groups to form sulphonic acid esters or may be reduced to mercaptans with iron or zinc and aqueous acid, and the mercaptans may be condensed with chloracetic acid to form the corresponding thioglycollic acids. Examples describe the preparation by the above methods of the corresponding sulphonic acid chlorides from (1) sodium 3-chloro - 5 - methyl - 6 - cyanobenzene - 1 - sulphonate; (2) sodium 2-chloro-3 : 5-dimethylbenzene - 1 - sulphonate; (3) sodium naphthalene - 2 - sulphonate; (4) sodium 8 - chloronaphthalene - 1 - sulphonate (containing some sodium chloride); (5) sodium 3-ethoxy-6-cyanobenzene - 1 - sulphonate; (6) 3 - methoxy-6 - cyanobenzene - 1 - sulphonate; (7) sodium benzene sulphonate. The product of example (6) may be reduced, without isolation, to the corresponding mercaptan and the latter condensed with chloracetic acid to form the corresponding thioglycollic acid. The reaction mixture of (7) may be introduced into 1-methyl-3-amino - 4 - methoxybenzene in aqueous alkali to give the sulphonamide or may be used for the esterification of 1-hydroxy-8-aminonaphthalene - 3 : 6 - disulphonic acid in the form of its salt.
Patent GB-114613-A (GB)
Title: Improvements in Chamois Article for Cleaning and Polishing and Process and Apparatus for the Manufacture thereof.
Inventor: HAYDEN HENRY ARTHUR
IPC: A47L13/18
Filed: 1917-09-12
Abstract: 114,613. Hayden, H. A. April 4, 1917, [Convention date]. Rubbing and polishing appliances.-An article for use in rubbing, scrubbing, &c., comprises a number of scraps of chamois leather secured in rows to a backing 14 of fabric such as burlap which is sewn to produce a sleeve. The scraps are assembled in a row in a clip 40, Fig. 8, by placing them on a spiked band 23, Fig 5, which is driven between and in the same direction as two pairs of bands 32 which carry the scraps into the jaws of the clip. The ends of the scraps are trimmed by a rotary knife 41. The ends of the scraps assembled in the clip 40 are then clamped between the jaws of hinged clips 44 and the clip 40 is withdrawn. The scraps are finally arranged in position and stitched upon the backing in succession.
Patent GB-255795-A (GB)
Title: Improvements in electric switches
IPC: H01H1/54
Filed: 1926-05-21
Abstract: 255,795. Akt.-Ges. Brown, Boverie, et Cie. Sept. 4, 1925, [Convention date]. Addition to 206,522. Switches, partly electromagnetic. -In the heavy-current switch described in the parent Specification, in which in one form the abutting contacts are in the shape of helical coils which carry the current and have an electrodynamical action on one another to maintain them in engagement, the coils are strengthened to prevent distortion. An intermediate coil of insulating or bad conducting material may be wound in the spaces between the convolutions or the conducting coil may be wound and secured upon a solid or hollow cylinder of insulating or bad conducting material. As shown, the square coil m is wound fixedly on a thin steel tube n slotted to prevent eddy currents.
Patent GB-1220667-A (GB)
Title: Extrudable polyamide-polyester compositions
Inventor: TWILLEY IAN CHARLES
IPC: C08L77/00
Filed: 1969-03-12
Abstract: 1,220,667. Polyamide - polyester filaments. ALLIED CHEMICAL CORP. 12 March, 1969 [27 June, 1968], No. 13130/69. Heading B5B. [Also in Division C3] Core-and-matrix filaments are made from a composition comprising a molten anhydrous "nascent" polyester which when amorphous has a glass transition temperature measured by differential thermal analysis of at least 50‹ C. uniformly dispersed in a molten anhydrous "nascent" polyamide which has less than 12 m.eq./kg. of "minor species of unreacted endgroups" and a glass transition temperature lower than that of the polyester. A "nascent" polymer is one which has not been solidified after polymerization. The "minor species of unreacted end-groups" is either amino or carboxyl, which ever is present to the least extent. The polyester may be polyethylene terephthalate preferably with some of the terminal hydroxyl groups reacted with methyl benzoate. In an example the polyester contains antimony tritallate. The polyamide may be nylon 6 or nylon 66 terminated with 0À1-0À7 mole per cent of m-xylylene diamine or sebacic acid. It may have a M.W. between 25,000 and 40,000 and a relative viscosity in formic acid between 60 and 200. In examples the fibres are extruded into quench air flowing parallel to the fibres, they are given a lubricating finish, drawn at 185‹ C., using draw rolls and a snubbing pin, to a draw ratio of 5À8: 1 and twisted.
Patent GB-1446258-A (GB)
Title: Process for making a boat hull
IPC: B29C39/00
Filed: 1974-03-26
Abstract: 1446258 Moulding boat hulls COAST CATAMARAN CORP 26 March 1974 [18 April 1973] 13306/74 Heading B7A [Also in Division B5] A method of making a composite article, e.g. a catamaran hull comprises forming a plastics foam against at least part of a surface of a shell so that it becomes adhered thereto. The shell may be a vacuum formed A.B.S. plastics sheet 32, (30) or of fibreglass or aluminium. The plastics foam may be formed from foamable polystyrene beads. A heat activatable adhesive (64, Fig. 4, 12, not shown) may be sprayed on to the shell prior to applying the foam. As described in the preferred embodiment plastics sheets 32, (30) are heated and vacuum formed (see Figs. 2, 10, not shown) to produce shells for the deck (D) and main body (M, Fig. 21) respectively of a catamaran hull. The shells are removed from the vacuum moulds by pressure air and adhesive (64) is applied, other than to gunwale portions 68, 168, to a surface of the shells 32, (30) (see Figs. 4, 12). The shells are then retained in position in respective moulds 180, (80, Fig. 6) by vacuum whilst foamable polystyrene beads are blown into the moulds via pipes 204, (104). Steam is passed into the moulding cavities via pipes 206, (106) and apertures 194, (94) in the moulds to foam and fuse the beads against the shells 32, (30). The composite shells are removed after being cooled by cold water sprayed from nozzles 200, (100) and passed through heating pipes 184, (84) from the respective moulds and joined together by poprivets 229 passing through gunwale portions 68, 168, aluminium back-up blocks 226, a plastic filler strip 228 provided with lips 232 for snap engaging a cover 230. The rivets 229 may anchor hardware, e.g. chain plates 234 to the hull. The deck shell 32 may be provided with reinforcing members (173, Fig. 12) and non-skid panels 220 which are forced into the surface of the shell 32 during the foam-casting stage.
Patent GB-914075-A (GB)
Title: Dyed aromatic polyester textile material
Inventor: HICKMOTT PETER WILLIAM
IPC: C09B43/20
Filed: 1960-05-12
Abstract: Textile materials of aromatic polyesters are coloured with dyestuffs of the monoazo, styrene and nitro series which are devoid of -SO3H- and -COOH groups but which contain a group of the formula <FORM:0914075/IV (b)/1> attached to an aromatic nucleus directly or through a group -N(R)R2-, -OR2-, -SO2R2-, -R2-, -SO2NHR2-, -SO2N (Alkyl)R2-, -CONHR2- or -CON(Alkyl) R2-, wherein Z1, Z2 and Z3 are hydrogen or halogen atoms or hydrocarbon radicals which may be substituted, R2 is a saturated or unsaturated chain of 1-6 C atoms which may be substituted and R is an alkyl, substituted alkyl, aralkyl or aryl group or a group of the formula <FORM:0914075/IV (b)/2> Alternatively these dyes may be deposited by applying water-soluble dyes of the above type but containing a group of the formula <FORM:0914075/IV (b)/3> attached as above, wherein Y is an anion and B is the residue of a strong tertiary base, which dyestuffs are transformed into the insoluble form above by elimination of the quaternary ammonium group.  Specified substituents: Z1, Z2 Z3 are chlorine, bromine, methyl, ethyl, phenyl, p-tolyl, p-chlorphenyl and propenyl; specified for R2 are -(CH2)2-, -(CH2)3-, -(CH2)5-, -(CH2)6- and <FORM:0914075/IV (b)/4> specified for R are methyl, ethyl, propyl, butyl, b -cyano-ethyl, benzyl, b -phenylethyl, phenyl and p-tolyl; specified for N=B are pyridine, the picolines, quinoline, the lepidines, N-methyl- and N-ethyl-morpholine, trimethylamine, triethylamine and N : N-dimethylbenzylamine.  The insoluble dyes may be stabilized in aqueous dispersion with, e.g., dinaphthylmethane disodium sulphonate.  Dyeing may be carried out in both cases, i.e. in aqueous dispersion or solution, in the presence of a carrier at or near the boil or above 100 DEG C. at superatmospheric pressure or alternatively by padding and subsequently thermofixing at temperatures above 170 DEG .  Printing may be effected with a printing paste containing normal tthickness and other adjuvents followed by steaming.  After treatments in weakly alkaline hydrosulphite and soap or synthetic detergents may be included.  The water-soluble dyestuffs may be prepared in a manner similar to that described in Specification 914,074.  The water-insoluble dyestuffs may be obtained from their water-soluble counterparts by the action of cold sodium hydroxide or by refluxing the appropriate b -chloropropionyloxy compound with triethylamine or N-ethylmorpholine in di-oxane.  Examples are given of dyeing and printing and of the preparation of a number of dyes including 4-nitro-41-(N-methyl-N-b -acryloxyethylamino)-azobenzene, 4-(N-methyl-N-b -acryloxyethylamino)- b -cyano-b -carbamyl styrene and their water-soluble equivalents, <FORM:0914075/IV (b)/5> <FORM:0914075/IV (b)/6> and 2-nitro-4-(b -acryloyloxyethylcarbamyl) -41-methyldiphenylamine and its water soluble pyrimidium chloride equivalent.
Patent GB-134024-A (GB)
IPC: A01K23/00
Abstract: 134,024. Begg, J. Oct. 23, 1918. Dung-catchers. - Means for preventing the excrement of horses or other animals from reaching the ground comprises, in one form shown in Fig. 1, an apron d of waterproof material shaped to fit the buttocks of the animal, a shoot f, and a receptacle g suspended underneath the vehicle h. Straps e, c connected with a saddle-piece d fix the apron in position. The shoot may be provided with an insertion shown in Fig. 3, which projects through the upper portion of the shoot, an enlargement i giving sufficient room for the voiding of the excrement. Another form adapted to slow-moving animals attached to drays is shown in Fig. 6, in which a shoot f<1> connects the apron a with a receptacle g<1>. A curved piece a', Fig. 9, is inserted where shown, to give the shoot a slight curve. The shoot is passed over rollers k, k<1> and attached to a spring k<2>. A lip j<2> serving to carry one side of the receptacle keeps the shoot clear of the receptacle and avoids the possibility of rain-water passing down into the receptacle.
Patent GB-592178-A (GB)
Title: Improvements in and relating to adhesive sheeting
IPC: C09J7/21
Filed: 1944-07-13
Abstract: 592,178. Coated fabrics. JOHNSON & JOHNSON (GREAT BRITAIN), Ltd. July 13, 1944, No. 13423. Convention date, July 13, 1943. [Class 140] A normally removable and re-usable pressure--. sensitive protective adhesive sheeting 'consists of a flexible backing such as Kraft paper surfaced with a non-rubber adhesive mass composed mainly of a polyisobutylene elastomer, the mass being substantially free of resinous tackifier, and which contains a compatible plasticiser in sufficient amount to render the mass substantially devoid of stringiness. The word " polyisobutylene " is intended to include copolymers which are mainly polyisobutylene, such as copolymers of isobutylene with acrylic acid, ethyl or methyl acrylate, butadiene, chlorobutadiene, divinylacetylene, divinylstyrene, fumarates, maleic anhydride, styrene, vinyl butyl ether, vinyl acetate or vinyl chloride. The preferred polyisobutylene elastomer is one having an average molecular weight above 40,000, and the preferred plasticisers include white mineral oil, largely alicyclic petroleum hydrocarbon oil and paraffin oil. Where utmost firmness is desired in the adhesive mass, a film-forming material such as cellulose nitrate, benzyl cellulose or ethyl cellulose may be included in it. Solvent spreading may be employed to coat the backing and suggested solvents are toluol and heptane.
Patent GB-1525645-A (GB)
Title: Process for preparing iminodiacetonitrile
IPC: C07C/
Filed: 1976-04-02
Abstract: 1525645 Iminodiacetonitrile W R GRACE & CO 2 April 1976 [4 April 1975 26 Jan 1976] 13484/76 Heading C2C A batch process for making iminodiacetonitrile comprises (a) mixing hexamethylene tetramine in an amount of 0À5-45% of the total hexamethylene tetramine to be used in the batch with water and a strong acid to form a solution having a pH of 5À7 (b) mixing this solution with anhydrous HCN in an amount of 6-50% of the total of the HCN to be used in that batch so that the molar ratio of HCN to hexamethylene tetramine is greater than 6 : 1 but less than 12 : 1, (c) adding the balance of the HCN to the mixture, (d) simultaneously with step (c) adding an aqueous solution containing the balance of the hexamethylene tetramine and a strong acid whereby to provide one mole of hexamethylene tetramine per equivalent of acid and to establish a pH of 5À5 to 6À5; the mol ratio of HCN to hexamethylene tetramine being at least 6 : 1 and (e) maintaining the resulting mixture at a temperature of 30-70 C. while iminodiacetic acid forms and while adding a strong acid to maintain a pH of 5À5-6À5. The strong acid may be nitric, sulphuric, hydrochloric, pyrophosphoric or trifluoroacetic acid.
Patent GB-199012-A (GB)
Title: Engine turning gear
IPC: F02N15/02
Filed: 1923-05-22
Abstract: 199,012. Barbarou, M. J. B. June 7, 1922, [Convention date]. Turning-gear.-The driving pinion F of an engine starter is secured to a screw H co-operating with a nut E driven from the shaft A of an electric or other motor through a coil spring R wound around members B, C on the shaft A and the nut E without being attached to them. The nut E is slidable in the member B, its movement being limited by a stop B', and the pinion F is normally held out of engagement with the engine gearwheel G by a spring S. Rotation of the nut E advances the pinion F into mesh with the wheel G, and if the teeth clash, the spring R is compressed until the teeth come into register.
Patent GB-383556-A (GB)
Title: Improvement in duplex hydraulic broaching machine
IPC: B23Q5/06
Filed: 1932-05-11
Abstract: 383,556. Broaching. LAPOINTE MACHINE TOOL CO., 34, Tower Street. Hudson, Massachusetts, U.S.A. May 11, 1932, No. 13563. Convention date, May 19, 1931. [Class 83 (iii).] A hydraulically operated broaching machine has two broaching members, the return stroke of one member being made at a high speed during the first part of the working stroke of the other members; means comprising a dual capacity pump are provided for operating the machine at different speeds. The pump P, Fig. 1, has small and large output sections 92, 93, connected by pipes 95, 102 to the casing of a manually operable valve V<1>, shown in Fig. 5 in its neutral position for byepassing the output of both pump sections. The valve may be moved into either of three other positions so that the output of either or both pump sections may be delivered at will to a passage 115 leading to the casing of a reversing valve V, Fig. 14, which controls the distribution of liquid to the ends of the cylinders 42, 52, the position of the valve being determined by cam members 24, 25, Fig. 2, on the broaching heads A, B. The broaching heads are connected by hollow rods 43, 53 to pistons 41, 51, working over fixed pipes 44, 54 ported at 48, 58, and connected by a passage 60, to which the cylinders are connected under the control of check valves 63, 64. When the valve V is in the position shown in Fig. 14, pressure liquid causes the piston 41 to start its working stroke, the displaced liquid passing to the pipe 54 to effect the rapid return stroke of the piston 51 ; when said return is completed, liquid passes from the pipe 54 through the port 58. A tank T for the reception and delivery of liquid as required is connected in the circuit under the control of pressure-operated valves 72, 73.