baber/WOPTO huggingface dataset:
Patent GB-382495-A (GB)
Title: Gear gauge
IPC: G01B5/20
Filed: 1932-02-08
Abstract: 382,495. Surface and outline gauges. PLAYER, S., 2, Fay Street, Westboro, Massachusetts, U.S.A. Feb. 8, 1932, No. 3755. Convention date, Feb. 10, 1931. [Class 106 (ii).] A device for gauging toothed gears comprises a frame and a pair of opposed rotatable standard gauge gears thereon to gauge a gear wheel placed between them. The frame 10 has two projecting arms 11, 12 on which are rotatably mounted in spaced relationship three master gears 13, 14, 15 on studs 16, 17, 18. The studs 16, 17 are spaced so that the gears 13, 14 serve as a " Go " gauge. The stud 18 is positioned relatively to the stud 16 so that the gears 15, 13 serve as a " No Go " gauge. The studs 17, 18 have reduced portions 19, 20 which fit apertures in bushings 21, 22 respectively the outer surface of the bushings being eccentric relative to their bores and fitting into apertures 23, 24 in the frame 10. Each bush has a flange 25 which may be notched for a spanner wrench. A nut 26 clamps the stud in place. The gears 14, 15 may thus be adjusted to and from the gear 13. An arm 32 is provided with lugs 34 which are rotatably mounted on the reduced portion 28 of the stud 16. The arm carries a stud 36 provided with an eccentric head 38 which serves as a support for the gear to be gauged and allows adjustment of the gear to or from the axis of the stud 16. To test for concentricity the studs are adjusted when the gear 40 may rotate freely while in mesh with the gear 13. The arm is then swung downwardly to pass the gear 40 between gears 13, 14 and then swung into gear with gears 13, 15 to test for " No Go." The studs 16, 17, 18, 38 are provided with extending gauge plugs 41 .. 44 to facilitate adjustment of the studs with the aid of a micrometer calliper. In a modification the frame is fitted with a " Go " pair of gears and a separate " No Go pair. In a second modification one pair of " No Go " gears are provided and the gear under test is mounted on a swinging arm as in Fig. 1. In this form the " Go " condition is satisfied when the wheel to be gauged can be slid on to its stud in mesh with the master wheel on the axis of which the arm is pivoted. In a final form, a master gear serving as a " Go " gauge is adjustable from the fixed stud on which the gear to be tested is mounted. The adjustment is such that when the gear can be slid on to its stud in mesh with the master gear the " Go " limit is satisfied. A second adjustable master gear is carried by a swinging arm which is moved down to cause the gear to mesh with the wheel under test, and if the arm has not swung beyond the vertical, the " No Go " condition is satisfied.
Patent GB-1216412-A (GB)
Title: Chromium complexes of monoazo dyes and their use in photographic processes and compositions
Inventor: IDELSON ELBERT MARTIN
IPC: G03C8/18
Filed: 1968-01-24
Abstract: 1,216,412. Chromium complexed dyedevelopers. INTERNATIONAL POLAROID CORP. Jan. 24, 1968, No.3815/68. Heading G2C. [Also in Division C4] Photographic compositions comprise as dyedevelopers monoazo dye chromium complexes of formulae wherein A is an aromatic carbocyclic radical linked in o-positions, B is an aromatic carbocyclic or heterocyclic radical linked in o-positions, one of A or B containing a silver halide developing radical, X is the atoms which complete a cycloaliphatic or aromatic carbocyclic or heterocyclic ring, R and R' are alkyl, fluoro-alkyl, alkoxyalkyl, aryl or phenylamino, R<SP>2</SP> is H, C 1-6  alkyl or phenyl, R<SP>3</SP> is H or C 1-6  alkyl or OH, provided that when X completes an aromatic ring, R<SP>3</SP> is H or C 1-6  alkyl (see Division C4-5). In examples the silver halide developing radical is p-dihydroxyphenyl. The dyes are preferably used in dyedeveloper diffusion transfer processes and give magenta images. The use of the present dyedevelopers to give toned prints of connectional photographic processes is also disclosed.
Patent GB-681658-A (GB)
Title: Thermally controlled food-storage table
IPC: F25D23/12
Filed: 1951-02-19
Abstract: 681,658. Furniture combinations. ROHDE; B. H. Feb. 19, 1951 [July 21, 1950], No. 3920/51. Class 52(iii) [Also in Group XIII] A dining table is constructed with a food storage refrigerator and with a heater as a unit, the table being placed around the refrigerator to allow seating around the table. As shown the refrigerator casing 1 supports the table 2 which comprises a hollow casing surrounding the upper part of the refrigerator which projects above the table. The cold compartments 6, 7 are provided with hinged covers 8, 9, a compartment 19 having refrigerating coils 21, similar coils 22 being placed below them to supply air conditioning to the table casing 3. For this purpose two opposed apertures lead to the conduit 3 as entry and exit apertures for the cold air, a fan being provided to assist the circulation, shutters being provided and operable by knobs 27 for shutting or controlling the apertures. Food access doors 29 are provided in the conduit 3 and a recess 30 for bottles &c. is also provided. Within the conduit is also provided a heating element and a fan so that warm air may be caused to circulate in the conduit, the cold air apertures being closed. Shelves or racks 11 may be provided. In a modification the top surface of the table is flush with the top of the refrigerator.
Patent GB-687810-A (GB)
Title: Railway wagon intended for the transport in bulk of goods such as pulverulent or loose materials
IPC: B61D7/16
Filed: 1951-02-19
Abstract: 687,810. Hopper wagons. RICHARD, B. Feb. 19, 1951, No. 3954/51. Class 103 (iv). A railway wagon intended for the transport in bulk of goods such as pulverulent or loose materials is characterized in that it comprises a container in which the material is disposed, this container being divided into compartments by means of partitions which are transverse to the longitudinal plane of symmetry of the wagon and which comprise undulated or saw-toothed surfaces, the undulations or crests of which extend horizontally and without interruption from one longitudinal wall of the container to the other longitudinal wall. The wagon comprises a container divided into separate compartments by transverse undulated partitions 19, each compartment having a hopper closed by single or double pivoted doors 22, Figs. 2, 3, 4 (not shown), arranged above safety doors 34, Fig. 5 (not shown). The upper door or doors is or are mounted on offset pivots so that when locking catches are released, the pressure of the load will open the doors automatically, said catches being connected to the operating mechanism 37 for the doors 34 so that when the lower doors are opened the upper doors will be released automatically. The upper doors may be fitted with a cambered fairing so that the loose lading may slide over them easily and facilitate their opening movement.
Patent GB-1041767-A (GB)
Title: Process for the production of hydroxylamine sulphate solutions by catalytic hydrolysis of hydroxylamine monosulphonate solutions
IPC: C01B21/14
Filed: 1965-01-29
Abstract: Hydroxylamine sulphate solutions are produced by hydrolysing hydroxylamine monosulphonate solutions in the presence of an oliphatic aldehyde or ketone in amount 0.01-2.0%, e.g. formaldehyde, acetaldehyde or R.CO.CH3 where R denotes an unsaturated or saturated hydrocarbon radical, e.g. acetone and methyl ethyl ketone.  The hydrolysis may be effected at 20-110 DEG  C.  The hydroxylamine monosulphonate solutions of 50-200 g/l concentration may be prepared by reacting an aq. solution of alkali metal or alkaline earth metal nitrite, hydroxide, carbonate and/or sulphite with SO2, and hydrolysing the resulting solution of hydroxylamine disulphonate.
Patent GB-589573-A (GB)
Title: Liquid gauge
IPC: G01F23/52
Filed: 1945-02-16
Abstract: 589,573. Electric indicating systems. HOLTER, A. (Kapp, L. H., and Kapp, E., [trading as Kapp & Cie., L. H.]). Feb. 16, 1945, No. 4002. [Class 40 (i)] [Also in Group XXXVII] In a liquid level gauge of the type in which the movements of a float are communicated to an external signalling system by magnetic means, the magnetic means actuate a tiltable disc controlling the signalling circuits. As shown, movements of a float 1 cause a shaft 5 carrying a gapped ring magnet 7 to rotate. Disc 10 is tilted by the attraction of magnet 7 and closes one of contacts 11, the particular one depending on the position of magnet 7, so that the corresponding indicating lamp is lit.
Patent GB-366287-A (GB)
Title: Improvements in silencers for escaping gases and especially exhaust silencers for internal combustion engines
IPC: F01N13/08
Filed: 1931-02-10
Abstract: 366,287. Exhau s t s i l e n c e r s. HARRINGTON, G., Sylvestris, Harman Water, Bracknell, Berkshire. Feb. 10, 1931, No. 4178. [Class 7 (ii).] The silencer comprises a number of annularly spaced hollow open-ended members 1 of conical, flattened conical, regular or irregular.pyramidal or like diverging shape, the outer one of which is connected at its smaller 'end to the exhaust pipe, the innermost member 1a being solid or closed, the exhaust being constrained to flow wholly through the annular channels 4, and the outer ends 1d of the members being spaced successively from each other and of the same or approximately the same diameter. The angle of divergence of the members does not exceed 30‹, and may be varied in such manner that the walls of successive members converge towards the outlet, but the outlet area must be not less, and preferably greater than, the area at the small end. The members may be formed by rolling flat blanks. In a modification, Figs. 7 and 9, the diverging members are, from the plane x-x onwards, fluted or grooved as at 1e inwardly and increasing in depth towards the outlet. Modifications of this construction are described: (1) in which the members are rolled from a blank, and (2) in which the grooves are formed helically. The metal may be covered with or embedded in sound-absorbing material such as asbestos or asbestos composition, or the device may be constructed entirely of such material.
Patent GB-1039185-A (GB)
Title: Improvements in and relating to linear accelerometers
Inventor: STOCKER BRIAN JOHN
IPC: G01P15/08
Filed: 1964-01-31
Abstract: 1,039,185. Gas discharge tubes. MULLARD Ltd. Jan. 21, 1965 [Jan. 31, 1964], No. 4354/64. Heading H1D. [Also in Division G1] A linear accelerometer comprises a gas-filled discharge tube wherein a pair of probe electrodes 7, 8 are located one on each side of a rectilinear cathode-anode discharge path on an axis which is perpendicular to the discharge path, whereby when the tube is subjected to an acceleration in a direction along this axis, the discharge path alters its shape and differentially alters the potentials appearing at the probes. A second pair of probes may be located one on each side of the discharge path on a second axis which is perpendicular to both the discharge path and the first axis. The gas-filling may be xenon at a pressure of 30 torr or 90% neon and 10% xenon at a pressure of 300 torr. The discharge may be a cold cathode glow discharge or an are discharge from a thermionic cathode surrounded by an apertured metal can 12 which effectively anchors the discharge. The anode comprises a pointed rod 5 mm. from the cathode and is surrounded by a glass shield 11. The probes 7, 8 are provided with glass sheaths 14, 15, except at their ends which are spaced 15 mm. apart, and are connected to the anode through a resistor. The metal envelope 1 may be of an iron-nickelcobalt alloy. Specific circuit resistances and operating currents for measuring accelerations up to 50 g. are given.
Patent GB-452006-A (GB)
Title: A process of dyeing
IPC: C09B17/06
Filed: 1935-02-11
Abstract: Substantive dyes, dyeing with; regenerated celluloses, dyeing.--Cellulosic material is dyed directly with an alkali salt of a sulphonic acid of a diarylfluorindine of the general formula <FORM:0452006/IV/1> (R representing aryl radicles which may be the same as or different from those otherwise present) which contains either negative groups or (as the R's or as the aryl groups) polynuclear ring systems or both, and which may be halogenated. Specified negative groups are nitro, CO-alkyl, CO-aryl, carboxyl and quinone groups and specified ring systems are those of naphthalene, diphenyl, stilbene, pyrene and anthracene.  The dyestuffs are obtainable as described in Specification 442,732.  The following examples are specified: (1) To a melt of p-aminodiphenyl (10 parts) at 90 DEG  C. are added slowly, with stirring, p-aminodiphenyl hydrochloride (1 part) and p-nitrosophenol (1 part) and the whole is cooled to 70 DEG  C. and alcohol is added to precipitate crystals which are filtered and washed; these are dissolved in nitrobenzene, the solution is boiled for \ba1/2\be hour with an addition of lead dioxide and the fluorindine which separates on cooling is sulphonated; cotton is dyed a clear blue by treatment for 1 hour in an aqueous solution at 85--90 DEG  C. containing the dyestuff product, sodium chloride and an alkylnaphthalenesulphonate obtainable as described in Specification 246,817, [Class 2 (iii)]; (2) The fluorindine obtained from 3 - aminopyrene and p - quinonedianil, as described in example 3 of Specification 442,732, is sulphonated; cotton yarn is dyed green, fast to light by treatment for 1 hour in an aqueous solution at 90--95 DEG  C. containing the dyestuff product, sodium chloride and sodium carbonate; (3) Viscose yarn is similarly dyed with the dyestuff of (2) in an aqueous solution at 85--90 DEG  C. containing sodium sulphate and Marseilles soap; (4) Mercerized cotton fabric is dyed grey by treatment for 1 hour in an aqueous solution at 85--90 DEG  C. containing a dyestuff obtained as in (2) but with stronger sulphonation, sodium chloride and sodium carbonate.  The Specification as open to inspection under Sect. 91 comprises also the use of alkali salts of sulphonic acids of fluorindine compounds in general.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1066018-A (GB)
Title: Optical projector with slide magazine
IPC: G03B23/04
Filed: 1966-02-01
Abstract: 1,66,018. Magazine slide projectors. AGFA-GEVAERT, A. G. Feb. 1, 1966 [Feb. 5, 1965], No. 4373/66. Heading G2J. Forward or reverse indexing of the magazine in a slide projector is provided through the manual depression of spring-loaded driving key 2 mounted on the rear wall of the projector, the direction of movement depending on the setting of member 8 slidably carried on the key. Shaft 14 is rotated by rack and pinion 13, 15 as key 2 is depressed, and slide changer 31 is driven by rack and pinion 31b, 40, to return slide 30 to the magazine, slide-clamping lever 36 being released on engaging stop 41. At the end of the down-stroke, member 8 depresses crank-arms 11 or 12 for forward or reverse drive of the arm 16 whose end 16b is just previously inserted into rack 22 of the magazine by cam 21 on shaft 14 and push-rod 19. Spring 6 raises key 2 again, thereby causing changer 31 to carry a new slide to the projection position shown in Fig. 2. For manual magazine adjustment, member 8 is set to the "M" position and is arrested by stop 5a before end 16b enters rack 22.
Patent GB-556047-A (GB)
Title: Improvements in means for feeding materials to conveyors
IPC: B65G65/44
Filed: 1942-04-02
Abstract: 556,047. Feeding to conveyers. SPENCER (MELKSHAM), Ltd., and PADFIELD, W. W. April 2, 1942, No. 4420. [Class 78 (i)] A shoot c located below a hopper a so as to be inclined in either direction at will for feeding material to a conveyer b capable of being reversed in direction of travel, is provided with means whereby it is continuously jigged. The shoot c may be suspended by pivoted links d, h, the link d being adjustable in length and swinging from a pivot e<SP>1</SP> on the hopper a for pivotal connection at a point c<SP>2</SP> near the middle of the shoot c. The link h pivots on a bracket i and is slotted to receive a slidable pivot bolt k whereby the shoot can be held tipped in either forward or rearward direction. Alternatively the shoot may be supported on rollers which allow of change of inclination and tipping in either direction. The means for jigging the shoot may consist of a crank pin connected by a link f to an arm e rigidly secured to the link d. The crank disc g may be made with variable throws.
Patent GB-472114-A (GB)
Title: Apparatus for the production of foils and plates particularly from highly elastic polymerisation products
IPC: B29C48/07
Filed: 1936-02-13
Abstract: 472,114. Extrusion machines. KAMPFER, A. Feb. 13, 1936, No. 4435. [Class 87 (ii)] A press for making plates or foils from polymerization products of unsaturated organic compounds is provided with a pressure chamber 2 which is divided by partitions 7 into a number of compartments leading into a common space 4, which is in communication with an adjustable extrusion outlet 5. The plunger 3 is subdivided to fit the compartments. The partitions 7 and the walls of the chamber 2 and outlet 5 are provided with heating devices. The press may be used for coating glass plates with foils and making laminated products as described in Specification 472,140, for which purpose rollers 11 are provided supporting a continuous band 12 below the outlet 5 and at a distance equal to the breadth of the outlet. The glass plates to be coated are carried on the band 12. Devices may be provided for heating the plates and for coating them with adhesive before they pass below the outlet 5.
Patent GB-566768-A (GB)
Title: Improvements in or relating to the mounting and actuation of angularly movable partsemployed in indicating instruments
IPC: G01D13/00
Filed: 1943-03-19
Abstract: 566,768. Indicating - instruments. CLIFTON INSTRUMENTS, Ltd., and ROOT, E. V. March 19, 1943, No. 4503. [Classes 106 (ii) and 106 (iv)] The indicating mirror 1 or the pointer of a pressure gauge or other instrument is rigidly mounted on a metal strip 2 which is in a state of tension. The mirror is held by lugs 5 on a plate 4 welded or soldered to the strip 2 and is actuated from a pressure-responsive diaphragm 10 by means of a needle 3 bearing on a jewel 6 mounted on the back of the plate. The needle may be coaxial with the centre of mirror and the centre of the mirror close to the centre line of the strip so that a large magnification is obtained. The strip 2 is stretched between spring supports 7, 8 carried on a frame 11 and the tension in the strip is adjusted by a screw 9. One end of frame 11 is adjustable by screw means 17, 18, the frame flexing about the other end 16.
Patent GB-1119864-A (GB)
Title: Improvements in bolts
Inventor: GILL PETER JOHN
IPC: F16B39/30
Filed: 1966-02-02
Abstract: 1,119,864. Bolts. G.K.N. GROUP SERVICES Ltd. 3 Feb., 1967 [2 Feb., 1966], No. 4506/66. Heading F2H. A bolt comprises a shank 10 having threaded end portions 11, 16 and an outwardly projecting annular rib 12 forming an abutment member, one threaded portion 16 being of the buttress type and being arranged to cooperate with a correspondingly threaded portion 22 of a nut member (Fig. 3) forming the head of the bolt, the nut member having a surface 27 which engages the abutment member 12 when mounted on the shank 10. The bolt may be made from titanium.
Patent GB-924526-A (GB)
Title: Neopentyl glycol alkyl phthalates
IPC: C08K5/12
Filed: 1961-02-07
Abstract: Polyvinyl chloride compositions contain as plasticizer a neopentyl glycol alkyl phthalate ester of the general formula <FORM:0924526/IV(a)/1> in which n is 0 or 1 and R is an alkyl group of one to five carbon atoms.  The ester may be derived from ortho-, iso-, or tere-phthalic acid, and the alkyl group R may be derived from ethanol, propanol, isopropanol, or n-, iso-, or tert.-butanol. In examples, neopentyl glycol ni-butyl phthalate or the corresponding n-propyl compound is incorporated into polyvinyl chloride or vinyl chloride vinyl acetate copolymer together with a stabilizer such as barium cadmium laurate in a heated roller mill.  The plasticized compositions have high resistance to staining by asphalt, shoe-polish, lipstick, ball-point ink, and other materials.ALSO:The invention comprises neopentyl glycol alkyl phthalate esters of the general formula <FORM:0924526/IV(a)/1> in which R represents an alkyl group having 1-5 carbon atoms and n is 0 or 1.  These compounds may be used as plasticizers for polyvinyl chloride resins.  In an example, a mixture was made of o-phthalic anhydride, neopentyl glycol, n-butanol, p-toluene sulphonic acid as esterification catalyst, and hexane for azeotropic distillation of water formed in the subsequent esterification.  The mixture was heated under reflux, finally to a temperature of 125 DEG C. in the esterification mixture. After about ten hours, the mixture was neutralised with potassium carbonate and the volatile components were removed by steam distillation. The hot liquid was then separated from solid salts by filtration, and the product obtained was essentially neopentyl glycol n-butyl phthalate of average molecular weight 550.  In another example n-propanol was used instead of n-butanol, and the corresponding n-propyl compound was obtained.  The corresponding isophthalate and terephthalate esters may be obtained in a similar manner.
Patent GB-306036-A (GB)
Title: Improvements in or relating to indicating mechanism for automatic weighing machines of the pendulum weight type
IPC: G01G1/00
Filed: 1929-02-11
Abstract: 306,036. Fischer, J., and Ade Fabrik Automatischer Schnellwaagen Ges. Feb. 14, 1928, [Convention date]. Computing - apparatus; pendulumweight apparatus. - An automatic weighing-machine comprises a pivoted beam an arc-shaped member and a pendulum weight attached to the beam, a rotatable computing drum and an eccentric or cam-like member fixed on the axle of the drum and adapted to be rotated by the arc-shaped member, the curvature of the arc-shaped member being such that the distance from the axis of the drum to the axis of oscillation of the beam remains constant during the operation of the weighing machine. The scale beam a carrying the pendulum-weight p is forked at one end and each fork carries an arc b to which the ends of two flexible bands b<1> are attached. The other ends of the bands are attached to, and, pass in opposite directions round, discs c eccentrically mounted one at each end of the spindle of the indicating drum e. At one end of the drum spindle is an extension h resting upon the curved end of a pendulous lever i thus affording a rolling support for the drum. The eccentricity of the discs c compensates for the unequal movements of the pendulum-weight p under equal movements of load and results in an evenly-divided indicating chart. To avoid lateral movements of the indicating drum due to the eccentricity of the discs c the arc b is given a radius greater than the arm of the scale beam. The flexible bands b' may be tightened by means of nuts m.
Patent GB-363888-A (GB)
Title: An improved method of producing glue from bones
IPC: C09H1/02
Filed: 1931-02-13
Abstract: In a process for producing glue and grease from bones by lixiviation with boiling water, a portion only, for example 20-50 p  per cent, of the phosphate of lime contained in the bones is first extracted with acids such as hydrochloric, phosphoric or sulphuric acid.  Preferably the bones are finely ground and the acid and water extractions carried out with stirring.  The residue of glue in the bones may be extracted by steam under pressure.ALSO:In a process for producing glue from degreased bones by lixiviation with boiling water, a portion only, for example 20 per cent to 50 per cent, of the phosphate of lime contained in the bones is first extracted with acids such as hydrochloric, phosphoric or sulphuric acid.  Preferably the bones are finely ground and the acid and water extractions carried out with stirring.  The residue of glue in the bones may be extracted by steam under pressure.