baber/WOPTO huggingface dataset:
Patent GB-921369-A (GB)
Title: Improvements in stainless steel
Inventor: IRVINE KENNETH JAMES
IPC: C22C38/44
Filed: 1959-05-06
Abstract: A precipitation-hardenable stainless steel has the following percentage composition, by weight:-  .C-.-.-.-.0.03-0.12 .Cr.-.-.-.13.5-16.5 .Ni.-.-.-.2-5 .Mn.-.-.-.up to 3 .Si.-.-.-.up to 1 .Mo.-.-.-.3-6 .Co.-.-.-.5-10 .Fe.-.-.-.the remainder, the steel being substantially free of ferrite.  The steel is heat treated by solution heating to 900-1100 DEG  C., converting to the martensitic state and ageing at 450-600 DEG  C.  The martensitic conversion may be effected by heating to cause precipitation of alloy carbide, e.g. at 700 DEG C. for 2 hours, or by cooling the steel to below the transformation range, e.g. - 80 DEG  C. Specification 598,144 is referred to.
Patent GB-298655-A (GB)
Title: Improvements in apparatus for taking samples from materials in bulk, specially applicable to ores
IPC: G01N1/20
Filed: 1927-06-11
Abstract: 298,655. Dryden, W., and Knight, L. June 11, 1927. Sampling granular &c. materials.-The mouth of a fixed main hopper A through which the material to be sampled passes is provided with an inverted conical guide B the lower end of which delivers the material into the open top c' of a rotating hopper C. This rotating hopper, which is preferably provided with a counter-balance c<6>, is formed with an off-set delivery mouth c' and is secured by a boss c<5> to a rotating shaft c<4>. During each revolution of the hopper its mouth is brought over a side delivery shoot D and so a certain proportion of the material passing through the main hopper is taken off through this shoot and delivered from its mouth d<3>. The outlet a<3> of the main hopper is provided with a door a<4>. The shaft c' runs in ball bearings and is mounted in a. casing E. A worm-wheel F on the shaft is driven by a worm on a shaft rotating at a desired rate. The size of the opening at the top of the side delivery shoot may be adjustable to vary the quantity delivered through this shoot, or shoots of different sizes may be used.
Patent GB-956699-A (GB)
Title: Improvements relating to protective helmets
IPC: A42B3/10
Filed: 1959-05-06
Abstract: 956,699. Helmets. W. CROOK. July 29, 1960 [May 6, 1959], No. 15599/59. Heading A3V. A helmet is provideed with a liner or cap comprising a headband 1 in which at one or more portions 7, a hem is provided to receive inserted lengths of elastic braid anchored at their ends to the headband so as to cause wrinkling of the portions 7 as shown when the helmet is not in use. The headband 1 is stitched to the peak 4 and secured about the headband are two half-bands 11, 12 of leather cloth separated at their laterally disposed ends to permit extension of the elastic braids. A cradle 15-18 is secured to the headband by stitching and is also stitched to the half-bands 11, 12 to provide loops for a lace 22 by which the liner is detachably secured to the helmet shell 23.
Patent GB-1272211-A (GB)
Title: Improvements in or relating to the production of solid propellants for rockets
IPC: C06B21/00
Filed: 1964-04-15
Abstract: 1,272,211. Propellants. WASAG-CHEMIE A.G. 15 April, 1964 [15 May, 1963], No. 15692/64. Heading C1D. A solid rocket propellant is made by pressing fibrous nitrocellulose into a desired shape and, either before or after pressing, weakly gelatinizing the nitrocellulose by dipping for a short time in a gelatinizer. Pressing may take place both before and after gelatinization. Suitable gelatinizers are diglycol dinitrate, triglycol dinitrate, 1,2,4-butanetriol dinitrate, butyleneglycol dinitrate, nitroglycerine, tricresyl phosphate, and phthalic acid esters. Centralite may be included as a stabilizer and an organo-lead compound as a combustion velocity regulator. The propellant is homogeneous and may be made of a desired porosity.
Patent GB-1035869-A (GB)
Title: Improvements in sealing means adapted for resisting creepage of lubricant along revoluble shafts
IPC: F16J15/54
Filed: 1965-04-13
Abstract: 1,035,869. Seals. DMMLER-BENZ A.G. April 13, 1965 [April 14, 1964]. No. 15701/65. Heading F2B. Leakage of oil along a rotary shaft, e.g. a crankshaft 1, is prevented by means comprising flat-sided scraper strips 8 inclined to the shaft axis and radially slidable in grooves 7 formed in the shaft. The grooves 7 are segmented and the outer peripheries of the strips 8 are curved to correspond with the bore 4 in the crankcase through which the shaft extends. An oil thrower ring 3 is provided on the shaft and, in use, oil escaping past this ring is returned to the oil drain groove 6 by the strips 8 which are urged by centrifugal force against the bore 4. The strips, which may be of metal or synthetic plastic material, may also be urged outwardly by leaf springs 10, Fig. 4, or coil springs beneath the strips. The bore 4 may be provided with a wear-resistant bushing.
Patent GB-749692-A (GB)
Title: New dyestuff intermediates of the tetra-aza-porphin series
Inventor: BEECH WALTER FRANCIS
IPC: C09B47/08
Filed: 1953-06-08
Abstract: The invention comprises tetra-azaporphins of the formula:-<FORM:0749692/IV(c)/1> where Me is a metal of atomic number from 24 to 29 both inclusive, all the R's represent hydrogen, chlormethyl bromomethyl, alkyl, aryl, or aralkyl, or R1 and R2 may together form an alicyclic ring and any or all of the pairs of substituents R3 and R4, R5 and R6, R7 and R8 may for a substituted or unsubstituted alicylic, aromatic or quinonoid ring, provided that at least one chloromethyl or bromomethyl radical is attached to a carbon atom which forms part of an aromatic ring or the tetra-aza-porphin ring.  They are made by heating with a chlormethylating or brommethylating agent a tetra-aza-porphin of the above formula, the R's being as above except that they may not be chloromethyl or bromomethyl, provided that at least one hydrogen atom is attached to a carbon atom which forms part of an aromatic ring or the tetra-aza-porphin ring. Chlormethylating or brommethylating agents specified are monochlordimethyl ether sym-dibromdimethyl ether, or formaldehyde or polymers thereof together with aluminium chloride or a halogen acid. Reaction medium is preferably aluminium chloride, but may be a medium as defined in Specification 689,153, e.g. sulphuric acid chlorulphonic acid, or methylsulphuric acid, aluminium chloride may be used in conjunction with a tertiary amine not itself chlormethylated or brommethylated under the reaction conditions. The tetraaza-porphin starting materials may be made according to Specifications 686,395, 688,768, 689,387, 689,388, and 689,389. In examples, sym-dichlordimethyl ether is reacted in aluminium chloride (in some cases with pyridine or nitrobenzene) with (1) nickel tetramethyl-dibenz-tetra-azaporphin, (2) nickel hexamethyl-monobenz-tetra-aza-porphin, (3) copper tetraaza-porphin, (4) nickel octaphenyl tetraaza-porphin, (5) nickel tri-cyclohexanodiphenyl tetra-aza-porphin (6) nickel monomethyl monobenzyl tribenz-tetra-azaporphin, (7) nickel dicyclohexeno-dibenztetra-aza-porphin, (8) nickel tricyclohexeno-monobenz-tetra-aza-porphin.  Also in examples, (9) cobalt monocyclohexenotribenz-tetra-aza-porphin is reacted with paraformaldehyde and chlorsulphonic acid in sulphuric acid, and (10) nickel tetramethyl-dibenz-tetra-aza-porphin is reacted with sym-dibromdimethyl ether in aluminium chloride in presence of pyridine.
Patent GB-999815-A (GB)
Title: Line tracing apparatus
IPC: B23K7/00
Filed: 1962-04-25
Abstract: 999,815. Photo-electric path following devices. STEWART-WARNER CORPORATION. April 25, 1962, No. 15769/62. Heading G1A. [Also in Division G3] In a photo-electric template-following arrangement a scanning head 22 follows a line 24 causing a gas torch 26 to cut a similar line 28 on a workpiece 30. The scanning head is rotated by a steering motor 44 and is mounted on a carriage 32 moved longitudinally by a motor 40 on a 34 moved at right angles to carriage 32 by a motor 42. The scanning head comprises a photo-cell across which is vibrated an opaque shade by an electromagnet energized at a frequency f, see Specification 995, 421, and has an output signal with a component of frequency 2f and a component of frequency f which varies in phase with the transverse misalignment between the line and the scanning head. The output signal is fed through a filter 72, rejecting the 2f component, to an amplifier 74 which energizes the steering motor so as to rotate the scanning head in dependence on the transverse misalignment. The scanning head 22 is mechanically coupled to a rotor 54 of a resolver 40 so that sine and cosine signals are derived from quadrature stator windings 78, 78a to control through amplifiers 80, 82 the energization of motor 40, 42 to cause the scanning head 22 to follow the line 24. The rate of travel along the line is determined by the setting of a potentiometer 92. The component 2f of the scanning head output signal through a pass filter 96 energizes a relay 94 in the supply to the rotor 54 and releases when the scanning head loses the line to cause the line-following system to cease operating and light an alarm lamp 99. Specification 890, 887 also is referred to.
Patent GB-1508991-A (GB)
Title: Batteries
IPC: H01M/
Filed: 1975-04-09
Abstract: 1508991 Lead oxide pastes for tubular battery plates CHLORIDE GROUP Ltd 9 April 1975 [9 April 1974] 15770/74 Heading H1B Tubular pocket battery plates are filled with a paste comprising finely divided lead oxide, a liquid vehicle and a polyethylene oxide polymer of m.w. of at least 500,000. Several physical characteristics of the paste are described. Ram and screw extrusion apparatus are described for filling the pockets, which includes a valve to allow the paste to be recirculated, when the pockets are not being filled. The apparatus forms the subject of Specification 1,481,952.
Patent GB-1510470-A (GB)
Title: Process for the production of photographic images
IPC: G03C5/60
Filed: 1975-04-17
Abstract: 1510470 Silver halide photographic materials AGFA-GEVAERT AG 17 April 1975 [19 April 1974] 15852/75 Heading G2C In a photographic material for the dry production of photographic images by the imagewise exposure of a light-sensitive layer which may be either self-supporting or mounted on a support layer and which contains a dispersion of lightsensitive silver salts which form catalysts for the decomposition of peroxide compounds when they are exposed, and the exposed layer is subsequently treated with a peroxide compound to produce a visible image, the light-sensitive layer contains the silver salt in a quantity of from 1 to 500 mg/m<SP>2</SP>, the silver salt dispersion has a pAg value below the equivalence point before the emulsion is cast, the grain size of the silver salt grains is smaller than 0À3 Ám and the transparency of the photographic material is at least 80%. Suitable salts are silver halides, carboxylates, thioether-substituted aliphatic acids, phosphate or silver salts of sensitizing dyes. Light-sensitivity of the material is increased by heating before, during or after exposure to 80‹ to 130‹C. Reference has been directed by the Comptroller to Specification 1196200.
Patent GB-529987-A (GB)
Title: Improvements in fish dressing machines
IPC: A22C25/08
Filed: 1939-05-30
Abstract: 529,987. Endless-chain conveyers. DANIELSSON, P., and AKTIEBOLAGET G. AREHNS MEKANISKA VERKSTAD. May 30, 1939, No. 15936. [Class 78 (i)] A fish dressing machine for cutting off the heads and also if desired slitting the fish and comprising a conveyer with pockets for the fish received from a feed drum with pockets to which the fish are fed has the rear edge or wall of the conveyer pockets. on a delivery edge of a supporting plate at the receiving position, directed obliquely to the pockets of the feed drum to tilt the fish head or tail end first into the conveyer pockets. The fish are fed manually into pockets on a rotating drum 9. Fig. 1, which in conjunction with a supporting plate 11 delivers to pockets constituted by inclined partitions 8 on plates 4 linked together to form a conveyer, the fish tilting over the inclined edge of the partitions into the pockets and being carried past a cutter 3 for cutting off the heads. A fixed brush 13 causes the fish to bear against the inclined partitions. Other means for ensuring correct positioning of the fish in the conveyer pockets comprise variation of the relativity speed of the feed drum and extension and shaping of the lower end of the supporting plate 11. Fig. 8 shows a conveyer 1 provided with trays 15 which receive fish belly upwards from the feed drum 9 and convey them past a slitting cutter 16 and, if desired, cleaning devices.
Patent GB-352652-A (GB)
Title: Improvements in or relating to oxidizable organic compounds
IPC: C08F2/38
Filed: 1930-05-24
Abstract: The oxidation of transformer oils and the like is retarded by the introduction therein of the reaction product of a naphthol, an aromatic amine, and formaldehyde.  Molecular quantities of b -naphthol and aniline are dissolved in a minimum of alcohol, one mol. of formaldehyde is added; on standing at room temperature for several hours needle crystals having a melting point of 132-133 DEG  C. separate, if necessary after the addition of water.  With o-toluidine substituted for aniline, crystals m.p. 185-186 DEG  C. are formed. With naphthylamines, e.g. b -naphthylamine, an oily product separates which changes into a flocky crystalline precipitate, melting point 187-189 DEG  C.ALSO:The oxidation of aldehydes and the like is retarded by the introduction therein of the reaction product of a naphthol, an aromatic amine, and formaldehyde.  In an example, equimolecular quantities of b -naphthol and aniline dissolved in alcohol are reacted with 1 mol. of formaldehyde; o-toluidine or b -naphthylamine may be substituted for aniline.ALSO:The oxidation of rubber, transformer oils, aldehydes and the like is retarded by the introduction therein of the reaction product of a naphthol, an aromatic amine, and formaldehyde. Molecular quantities of b -naphthol and aniline are dissolved in a minimum of alcohol, one mol. of formaldehyde is added; on standing at room temperature for several hours, needle crystals having a melting point of 132-133 DEG  C. separate, if necessary after the addition of water.  With o toluidine substituted for aniline, crystals melting point 185-186 DEG C. are formed.  With naphthylamines, e.g. b  naphthylamine, an oily product separates which changes into a flocky crystalline precipitate, melting point 187-189 DEG  C.  Examples are given showing the effect of additions on the ageing of rubber.
Patent GB-529994-A (GB)
Title: Improvements in sheet metal containers
IPC: B65D51/20
Filed: 1939-05-31
Abstract: 529,994. Sheet-metal containers. CROWN CORK & SEAL CO., Inc. May 31,1939, No. 16042. Convention date, Aug. 9, 1938. [Class 66] Integral web closures 13 adapted to be cut out to open the mouths of sheet-metal containers are reinforced by peripheral folds or bends 21, Fig. 1, 27, Fig. 2, or 30, Fig. 3. The necks are adapted for re-closure by plug stoppers 20, Fig. 1, or crown corks 23, Fig. 2. 530,043. Handbags &c. MERGOTT CO., J. E. May 2, 1939, No. 13094. Convention date, March 14. [Class 133] The body material of a handbag or like receptacle is attached to a mouth closure comprising a pair of spring strips 11, 12, Fig. 3, pivotally connected together at the ends, the longer strip 11 overlying the other in the closed position. The pivotal connections are afforded by a rivet 18, Fig. 4, passed through holes 13a, 13b, in the ends and through an interposed spacer 16 washers 19, 20 being provided. A lug 17 on the spacer takes into a second hole 14 in strip 11 and a projection 21 is adapted to engage in the position of desired maximum opening of the closure, the up-turned edge 15b, Fig. 6, of a perforation 15 in strip 12, locking the strips against further opening and preventing accidental closing. The parts 14, 15, 17, and 21 may be omitted from the connection at one end of the closure.
Patent GB-149120-A (GB)
Title: Improvement in or relating to the manufacture of tiles, flags, sheetings, or the like, of cement and fibre
IPC: C04B40/02
Filed: 1919-06-26
Abstract: 149,120. Steiger, E. June 26, 1919. Stone, hardening and preserving.-In the manufacture of tiles, flags, &c. from a mixture of cement and asbestos or other fibre, wherein carbon dioxide is caused to act on the tiles &c., a feature is made of having the tiles in the condition of not being saturated with water but containing more than 2 per cent thereof. Reference has been directed by the Comptroller to Specification 23559/12.
Patent GB-222184-A (GB)
Title: Improvements in or relating to laces for foot-wear
IPC: A44B11/04
Filed: 1923-06-21
Abstract: 222,184. Faulkner, J. June 21, 1923. Addition to 197,278. Laces; belt and like slides.-The frame of the buckle by which the elastic portion of the lace of the parent Specification is fastened, is formed with a cross-bar b<4>, Figs. 1 and 6, at the end opposite that at which the lace a is secured, for the purpose of retaining the free end of the lace after it has been threaded through the buckle and engaged by the teeth. In the form shown in Fig. 6, the end cross-bar b<1> is omitted, the lace being secured instead to the intermediate crossbar b<2>. Fig. 9 shows a method of securing the lace to the buckle by bending down metal tongues b<5>, b<6>, displaced out of the metal of the blank from which the frame is made in forming the slot between the cross-bars b<1>, b<2>. This method of securing the lace may be used also with buckles constructed according to the parent Specification.
Patent GB-586691-A (GB)
Title: Improvements in or relating to the treatment of seeds
Filed: 1944-08-28
Abstract: Seeds are wetted with a liquid dispersion of benzene hexachloride and subsequently dried, the resulting film on the seeds enhancing their resistance to pests.  The dispersion of benzene hexachloride may be a solution in benzene, xylene, toluene, dioxane, methyl acetate, ethylene dichloride, trichlorethylene or perchlorethylene, or an aqueous dispersion containing dispersing agents such as goulac, oleyl alcohol, dodecanol, octadecanol, turkey red oil or sodium lauryl sulphate with or without a solvent for the benzene hexachloride.  The dispersion may also contain a fungicide such as hydroxymercurichlorphenol, hydroxymercurinitrophenol, hydroxymercuricresol, ethyl mercurichloride, ethylmercurisulphate phenyl-mercuriacetate tolyl mercuriacetate, cresol mercuricyanide or tetramethylthiuram disulphide; or fungicides based on mercurous chloride, mercuric chloride, cuprous oxide, cupric oxide, copper carbonate, phosphate or silicate.  Such fungicide may be dispersed in the aqueous phase, the non-aqueous phase comprising benzene hexachloride.  After drying, the seeds may be treated with an inert dust such as talc, powdered gypsum or graphite to render them free flowing.  The benzene hexachloride used preferably contains a proportion of the gamma-isomer. Specifications 573,689, [Group VI], 573,693, [Group IV], 582,042; 586,439 and 586,442, [both in Group IV], are referred to.ALSO:A pesticidal aqueous dispersion suitable for treating seeds comprises an aqueous phase having a fungicide dispersed therein, and a non-aqueous phase comprising benzene hexachloride, preferably a solution thereof in a volatile solvent. Suitable fungicides include hydroxymercurichlorophenol, hydroxymercurinitrophenol, hydroxymercuricresol, ethylmercurichloride, ethylmercurisulphate, phenylmercuriacetate, tolylmercuriacetate, cresol mercuricyanide or tetramethylthiuram disulphide; or fungicides based on mercurous chloride, mercuric chloride, cuprous oxide, cupric oxide, copper carbonate, phosphate or silicate.  Specified solvents for the benzene hexachloride are benzene, xylene, toluene, dioxane, methylacetate, ethylenedichloride, trichloroethylene or perchloroethylene.  The aqueous phase of the dispersion may contain a wetting agent such as goulac, oleyl alcohol, dodecanol, octadeconal, turkey red oil or sodium lauryl sulphate. Specifications 573,689; 573,693, [Group IV], 582,042; 586,439 and 586,442, [both in Group IV], are referred to.
Patent GB-111477-A (GB)
IPC: H02J7/20
Filed: 1917-11-07
Abstract: 111,477. Akt.-Ges. Brown, Boveri, et Cie. Nov. 11, 1916, [Convention date]. Lighting systems; regulation, automatic systems and apparatus for.-A variable-speed shunt dynamo c with a connected battery e is regu- 'lated for a constant current during charging and for a constant voltage, equal to the battery voltage, after charging. The carbon pressure regulator k is controlled by an electro-magnet with a charging-current coil a, a voltage coil b, and a load current coil g which opposes the coils a, b. When the battery is being charged and no external load is supplied, the regulator is controlled for a constant current bv the coil a alone. When the battery is charged, the switch l is opened to cut in the regulator coils g, h. If the lighting circuit is open at the switch i, the effect of the coils a, b is to reduce the charging current to zero, and if the switch i is closed, the lighting circuit is supplied from the dynamo and no charging current is supplied. The coils a, g have equal and opposite turns so that when the lighting circuit is supplied the regulator is controlled by the coil b.
Patent GB-107915-A (GB)
Title: Improvements in, or connected with, a Combined Knife and Fork for the use of Maimed Persons.
Inventor: FISHER EDWARD GEOFFREY
IPC: A47G21/08
Filed: 1916-11-15
Abstract: 107,915. Fisher, E. G. Nov. 15, 1916. Table knives and forks.- A combined knife and fork comprises a shank portion a having, on one side, an inclined extension b serving as a fork and, on the other side, a curved extension c adapted to sever the food by a rolling motion, the cutting- edge d extending throughout a semicircle or more. The end c may be provided with a handle, or may be screwed to enable it to be secured in the stump of an artificial arm.
Patent GB-1458179-A (GB)
Title: Clutch release ring
IPC: F16D23/14
Filed: 1975-04-21
Abstract: 1458179 Friction clutches FICHTEL & SACHS AG 21 April 1975 [24 April 1974] 16377/75 Heading F2C A thrust ring which is secured to the radially inner ends of diaphragm spring tongues 6 or radial release levers of a motor vehicle friction clutch comprises a wire ring 1 held between the spring tongues 6 and a radial flange 3 of a sheet metal sleeve 2 by a spring washer 7. The periphery of the flange 3 is bent over to partially surround the ring 1 and thus position the latter. Projections 4 on the periphery of the flange 3 engage between the spring tongues 6 and prevent relative rotation between the ring assembly 5 and diaphragm spring. The wire ring 1 may be split.
Patent GB-869102-A (GB)
Title: A device for use in connection with a ship's log utilising measurement of the dynamic pressure of the water
IPC: G01P5/14
Filed: 1959-05-13
Abstract: 869,102. Ship's logs. SVENSKA ACKUMULATOR AKTIEBOLAGET JUNGNER. May 13, 1959 [May 14, 1958], No. 16391/59. Class 69 (1). In a device for use in connection with a ship's log comprising a small chamber which is firmly attached to the outside of a ship's hull, and which is provided with an opening 4 for the inlet of sea-water, facing in the normal direction of movement of the ship and with another opening 5 for the connection of piping 6 transmitting the dynamic pressure of the water, the chamber at its forward end is bounded by two walls 2, 2<SP>1</SP> which form an angle, the bisectional plane of which coincides with the longitudinal vertical centre plane of the ship or with a plane, which is parallel to this centre plane, or intersects the same or its extension along a horizontal line. The chamber may be made of steel welded to the plating 1 of the ship. The opening 4 has a divergent taper towards the interior of the chamber. The orifice of the piping 6 is directed upwardly to prevent bubbles of air getting into the piping. A container 12 is connected to the chamber to collect any entrapped air, a valve 13 being provided to allow the air to escape.