baber/WOPTO huggingface dataset:
Patent GB-976095-A (GB)
Title: Improvements in or relating to sintered bodies of molybdenum silicide
Inventor: SCHREWELIUS NILS GUSTAV
IPC: H05B3/14
Filed: 1961-08-28
Abstract: A sintered body such as an electric heating resistance consists of 51-67% Mo, 24-35% Si and 4-20% oxide, the Mo and Si being in the form of molybdenum silicide such that the ratio by weight of Si to the weight of Mo+Si is in the range 30-36.2%, the oxide comprising SiO2 and optionally one or more of the oxides of Al, Be, Ca, Cr, Hf, Mg, Ti, Zr, Th, Y and Ce and other rare earths.  The powdered constituents are presintered at 1000-1500  DEG C. in a reducing or non-oxidizing atmosphere and finally sintered at 1400-1700  DEG C. in an oxidizing atmosphere.  The oxides of Fe, Na, K and Mo may also be present. Specifications 780,735, 791,324 and 848,985 are referred to.
Patent GB-903675-A (GB)
Title: Improvements in or relating to the temporary protection of surfaces
Inventor: BAGLEY JOSEPH MIATT
IPC: C09D131/04
Filed: 1959-09-11
Abstract: A process for providing temporary protection for easily marred surfaces, e.g. polished aluminium sheet or phenolic resin laminates, comprises applying to the surface an aqueous emulsion or dispersion comprising a major proportion of an alkali-soluble copolymer of vinyl acetate and a copolymerizable unsaturated carboxylic acid and a minor proportion of a plasticizer for the copolymer and then drying the coated surface.  The coating may be applied by brushing or spraying and may be removed by a mildly alkaline aqueous solution, e.g. detergent solution.  The plasticizer may be dibutyl or dioctyl phthalate, tricresyl phosphate or polypropylene adipate.  The composition may include a vinyl alcohol polymer.  In Example I the coating composition consists of water, Emulsion VS 155 (copolymer of vinyl acetate and crotonic acid), 50/88 "Moviol" (Registered Trade Mark), (polyvinyl acetate polymer) and dibutyl phthalate; in Example II it consists of water, "Moviol" (Registered Trade Mark), "Vinamul" (Registered Trade Mark),(copolymer of vinyl acetate and unsaturated carboxylic acid) and dioctyl phthalate.ALSO:A composition comprises an aqueous emulsion or dispersion comprising a major proportion of an alkali-soluble copolymer of vinyl acetate and an unsaturated carboxylic acid and a minor proportion of a plasticizer for the copolymer.  The plasticizer may be dibutyl or dioctyl phthalate, tricresyl phosphate or polypropylene adipate.  A vinyl alcohol polymer may be present in the composition.  In Example I the composition consists of water, Emulsion VS 155 (copolymer of vinyl acetate and crotonic acid) 50/88 "Moviol" (Registered Trade Mark), polyvinyl acetate polymer) and dibutyl phthalate; in Example II it consists of water, "Moviol" (Registered Trade Mark), "Vinamul" (Registered Trade Mark), (copolymer of vinyl acetate and unsaturated carboxylic acid) and dioctyl phthalate.
Patent GB-1101176-A (GB)
Title: Electric arc furnace provided with a removable agitator coil
IPC: H05B6/34
Filed: 1965-07-21
Abstract: An electromagnetic stirrer (5) operating beneath a molten metal furnace is mounted on a chassis (8) running on rails (9) so that it can be withdrawn from beneath the furnace if the crucible (1) breaks. The withdrawal is actuated by thermocouple sensers (10) in the furnace.  The stirrer may alternatively be pivotally mounted for withdrawal.
Patent GB-850977-A (GB)
Title: New textile colouring process
Inventor: ATKINSON JOHN REGINALD
IPC: D06P3/24
Filed: 1957-10-04
Abstract: Textile materials of polyamides or basically modified polyacrylonitrile are dyed or printed with an aqueous dispersion of a water-insoluble anthraquinone dyestuff containing at least one halogenoalkoxy or halogenoalkylamino group which is attached directly to the anthraquinone nucleus or through an alkoxy, alkylamino or arylamino radical.  The carbon atoms of the above groups may be further substituted by hydroxy, alkoxy or hydroxyalkoxy substituents and when the halogenoalkylamino group is indirectly attached to the anthraquinone nucleus the hydrogen of the amino group may be substituted by, for example, methyl, ethyl, propyl, cyclohexyl, benzyl, b -hydroxyethyl, halogenoethyl, halogenopropyl, g -halogeno-b -hydroxypropyl, epoxypropyl and b -ethoxyethyl radicals.  Dyeing may be effected at temperatures up to or above 100 DEG C.  Printing may be effected with a paste thickened with methyl cellulose, Nafka crystal gum or sodium alginate and containing the usual adjuvants such as urea, thiourea, thiodiglycol, methylated spirits, sodium-m-nitrobenzenesulphonate and aqueous emulsions of sulphonated oils, the prints being dried and finally steamed. The dyestuff is added to the dyebath or printing paste, together with the usual dispersing agents, as an aqueous dispersion or as a re-dispersible powder.  Specified dyes are the following: 1 : 4-di (g -chloro-b -hydroxypropylamino)-, 1 : 4-di- (b -chloroethylamino)-, 1 : 4-di- (b -bromoethylamino)-, 1-b -chloroethylamino -4-g - chloro-b - hydroxypropylamino-, 1- b - bromoethylamino-4- g - chlorob - hydroxypropylamino-, 1- b -hydroxyethylamino- 4- g - chlorob - hydroxypropylamino-, 1-methylamino -4- g - chlorob -hydroxypropylamino-, 1- ethylamino- 4- g -bromob - hydroxypropylamino-, 1 : 4- di(g -bromopropylamino)-, 1 : 4- di(g - bromob -hydroxypropylamino)-, 1-methylamino- 4- b -bromoethylamino-, 1- b - bromoethylamino- 4-g - bromob - hydroxypropylamino-, 1- isopropylamino- 4- b - bromoethylamino-, 1- amino-4-(41- g - chlorob - hydroxypropoxyanilino)-, 1-amino- 2- b - bromoethoxy- 4- hydroxy)-, 1-amino- 2- b 11- (b 1- iodoethoxy)- ethoxy- 4-hydroxy) -, 1-amino- 2- b 11- (b 1- bromoethoxy) -ethoxy- 4- hydroxy)-, 1-methylamino- 4-[41-N : N- di-(g - chlorob - hydroxypropyl)- aminoanilino]-, 1-g - chlorob - hydroxypropylamino-4-[41- N : N- di(g - chlorob - hydroxypropyl) aminoanilino]- and 1 : 4- di[31- N : N- di(g -chlorob - hydroxypropyl) aminoanilino]- anthraquinone.
Patent GB-299711-A (GB)
Title: Improvements in or relating to apparatus for the distribution of stamps or the like from rolls
IPC: B65C11/04
Filed: 1928-10-29
Abstract: 299,711. Leopold, H. Oct. 29, 1927, [Convention date]. Feeding webs.-Consists in improvements in stamp &c. affixing machines which are rolled over the surface to which the stamp &c. is to be affixed, and in which the rolling pressure raises a drum 2 to grip a stamp strip against a co-operating roller and feed it forward the length of a stamp, a finger 7 then gripping the strip against the casing to allow the end strip to be severed by a further rotation of the drum, and in which a guide prism 5 is partly rotated as each stamp length is fed. The drum 2 is held in its raised position by the inturned end 3<1>, Fig. 4, of a plate 3 engaging under the pivot of the drum, until, at the end of the stamp-affixing operation, a cut away portion 4<1> of the pivot allows the drum to descend under the action of the spring 15. Backward rotation of the drum when in its raised position is prevented by a fixed pawl 1 engaging teeth 1<1> on the end of the drum. To prevent slipping of the stamp strip on the prism 5, a flat spring 6 is provided to press the strip on the faces of the prism. The finger 7, Fig. 2, is provided with a nose piece 8 which engages the line of perforations to facilitate the breaking of the stamps. The moistening device 13 is carried by a lever 11 actuated by a pin 12 on the drum. The rotation of the drum 2 is limited by an adjustable stop 14 carried by the lever supporting the drum.
Patent GB-323838-A (GB)
Title: Improvements in fishing reels
IPC: A01K89/02
Filed: 1928-10-29
Abstract: 323,838. McGowan, J. P. Oct. 29, 1928. Addition to 281,108 and 309,729. Reels.- A brake-lever controlled from outside the reel-casing indirectly has one end acted on by a flat spring and the other by a spiral spring or both ends by a flat or spiral spring. Specification 29107/13 is referred to.
Patent GB-810062-A (GB)
Title: A device to detect smoke
IPC: G08B17/113
Filed: 1956-10-15
Abstract: 810,062. Detecting smoke by radioactive ionization. NAHMIAS, M. E. Oct. 5, 1956 [April 6, 1956], No. 31306/56. Class 40 (3). A device for detecting smoke comprises a single rigidly supported source of alpha particles which ionizes to different degrees gases contained in two chambers, and means sensitive to the difference between the currents passed in each chamber. A metal housing comprises a chamber I containing an insulated alpha particle source 8 on a sliding metal stem 5 and an electrode E1 of potential +V1 and a chamber II containing an insulated electrode E2 of negative potential - V2 which are separated by one or two thin foils M supported between grids in a central circular aperture in plates x1 x2. Vents o1, o2 in chamber I allow circulation of ambient air. The ionization current of chamber I is set higher than that of chamber II and the difference 13 between them is such that the voltage across resistance R (to which the housing is connected by spring L) V3 (=RI3) is smaller than the voltage required to trigger the cold triode 6. Gas to be monitored passes through chamber II decreasing the current therein and increasing I3 and V3 so as to trigger the triode and energize relay E to operate buzzer B. The gas may be continuously monitored from a remote point at the side walls of chamber II perforated to monitor ambient gas. Specification 638,833 is referred to.
Patent GB-1047955-A (GB)
Title: Paper making method and apparatus
IPC: D21H19/38
Filed: 1963-08-08
Abstract: Paper of enhanced smoothness and printability is produced by applying onto each of the opposed surfaces of a forwardly moving dry web of paper a number of superposed layers of aqueous coating composition comprising mineral pigment and adhesive without intermediate calendering, the adhesive in the last coating being greater in amount by weight of the pigment than that of the preceding coating and comprising principally a synthetic aqueous polymeric dispersion, each layer of coating being separately wiped and levelled by trailing-blade coating means and separately heat-dried before application of a succeeding coating.  Each of the surfaces may have been smoothed prior to the appreciation of the layers of aqueous coating composition.  Each of the surfaces may be a machine-glazed surface.  Each of the opposed surfaces of a newly formed paper web may be smoothed while moist in contact with heated routing surfaces before application of the layers of aqueous coating composition.  Two superposed layers of aqueous coating composition may be applied to each of the surfaces of the web of paper.  The amount of polymeric material in the first coating may be from 10 to 25% by weight of the pigment and that of the second coating may be from 30 to 100% by weight of the pigment.  The paper may have about 92% of its surface topographic discontinuities (peaks and valleys) not greater than 15 to 20 microns in height and depth.  The mineral pigment may be clay, calcium carbonate, titanium dioxide or mixtures thereof.  The coating composition may contain enzyme converted or oxidized starches, dextrines, casein, zeim derived from corn and soybeam, alpha protein or mixtures thereof, carboxymethyl cellulose, polyvinyl alcohol, acrylic resin, vinyl acetate-acrylic e.g. acrylonitrile copolymer, vinylidene chloride-vinyl chloride copolymer, and copolymers of styrene or acrylonitrile with butadiene, polybutadiene, polyethylene, polyvinyl butyral, polychloroprene, vinyledene chloride-acrylonitrile and polymers and copolymers of acrylic acid, methacrylic acid, esters of these acids, or acrylonitrile.
Patent GB-392603-A (GB)
Title: Improvements in brakes applicable also to clutches
IPC: F16D55/06
Filed: 1931-11-12
Abstract: 392,603. Brakes. AVERY, W. L., Blue House, Thorley, Bishop's Stortford, Hertfordshire. Nov. 12, 1931, No. 31393. [Class 103 (i).] Brakes particularly for automobiles and aeroplane landing-wheels and also clutches comprise fixed flexible discs i adapted to be moved against an outer rotary casing f by a capsule l expanded by fluid pressure so that the torque reaction is absorbed by the discs and not by the capsule. Annular brake friction members hare mounted on the discs i which are clamped between bearing rings d and a flange c of the hub a through which passes the wheel spindle and which is secured by a torque lever b to a fixed part. The rings d carry ball bearings e upon which is rotatably mounted the casing f fixed to the vehicle wheel. Steel liners g form the braking surface on the casing f. The fluid-pressure capsule l is provided with an inward radial extension connected to a fluid-pressure supply pipe n.
Patent GB-184108-A (GB)
Title: Appliance for hand-winding silks, cottons, wools, and such like for purposes of knitting and crocheting and a carrier for such after winding
IPC: B65H54/00
Filed: 1921-11-24
Abstract: 184,108. Sudlow, W. G. Nov. 24, 1921. Winding-machines. - An appliance for handwinding silks, wools, &c. comprises a bobbin C, provided with a handle F and carried on a hollow vertical spindle B which is mounted on a base A. The thread is wound on to the bobbin as the latter is rotated by means of its handle F, the tension in the thread being maintained by passing it through a guide E, and around a guide-reel E mounted on a pin D. The thread-end is secured under a clip J. A spring clip H fits into the top of the spindle B to prevent the bobbin C from jumping.
Patent GB-1300430-A (GB)
Title: Isomerisation process
Inventor: BROWN PETER JOHN NICHOLAS
IPC: C07B61/00
Filed: 1970-06-30
Abstract: 1300430 Isomerization of dichlorobutenes BP CHEMICALS Ltd 17 May 1971 [30 June 1970] 31545/71 Addition to 1296481 Heading C2C One of 1,4-dichloro-butene-2 and 3,4-dichlorobutene-1 is isomerized to the other by contact with a catalyst composition comprising cupric naphthenate and ortho- or para-nitro-aniline or a ring-alkyl substituted derivative thereof. In the isomerization of 1,4-dichloro-butene-2 to 3,4-dichloro-butene- 1, the isomerization product from the former or from the direct chlorination product of butadiene is fed to a fractionating column and the lower-boiling 3,4-dichlorobutene-1 distilled off. In the isomerization of 3,4-dichloro-butene-1 to 1,4-dichloro-butene-2, the isomerization product from the former or from the direct chlorination product of butadiene is fed to the base of a fractionating column, 1,4-dichloro-butene-2 is removed near the base of the column and 3,4-dichloro-butene-1 is removed at the head of the column and recycled to the reactor. The process may be batch-wise or continuous.
Patent GB-931954-A (GB)
Title: Improvements in or relating to the preparation of crystalline insulin
IPC: B01J47/00
Filed: 1960-09-13
Abstract: In the preparation or purification of crystalline insulin an aqueous insulin solution (the insulin being obtained by extraction with an aqueous acidic solution of a lower (C1-4) aliphatic alcohol) is contacted with an aminocellulose anion exchanger and is subsequently eluted therefrom.  The insulin-containing solution may have a pH of between 5.5 and 8.0 and is preferably about 6.0 to 7.5.  The adsorption is preferably carried out in the presence of anions e.g. those of buffers such as sodium potassium phosphate and ammonium acetate which have a pH value within the adsorption range.  Elution may be performed using either an acid (pH 1 to 5 preferably pH 3.5 to 4) or a base (pH 8.5 to 11 preferably 8.5-9) e.g. with sulphuric, hydrochloric or phosphoric acid, ammonia, sodium or calcium hydroxide.  Recovery from the eluant may be by precipitation e.g. with zinc salts (preferred), other soluble heavy metal salts, alkali metal or ammonium salts, hydroxides or hydrohalides.  Specified aminocelluloses are those obtained by the reaction of alpha cellulose with 2-aminoethyl sulphuric acid, 2-chloroethylamine, 3 - dimethylaminopropyl sulphuric acid, 2 - chloropropylamine, 1 : 3 - diamino - 2 - sulphato - propane sulphate monohydrate, 2 - (2 - sulphatoethyl) pyridine, potassium (disulphatoethyl) amine monohydrate, and sulphatoethylenediamine hydrochloride.  Others mentioned are the reaction products of cellulose including cellulose-containing fabrics e.g. cotton, with epichlorhydrin and an amino alcohol e.g. ethanolamine and iminized exchangers e.g. the reaction product of 2-aminoethoxy cellulose and 2-aminoethyl sulphuric acid.  Quaternarized amino-celluloses may also be used. Preferred exchangers are the lower (C1-4) dialkylamino lower alkyl cellulose compounds.  A continuous process is described wherein the anion exchanger is a sodium hydroxide treated cotton belt which has been reacted with dimethylaminoethyl sulphuric acid.
Patent GB-302039-A (GB)
Title: Improvements in electric fuses and isolators
IPC: H01H31/12
Filed: 1927-11-24
Abstract: 302,039. Hope, V. Nov. 24, 1927. Fusible cut-outs.-A cartridge fuse A having pivots a6 at one end is mounted between contacts b7, e1 supported on insulators c, c1 of a high tension overhead construction, and is provided with a collar a3 having a hole a4 to enable the fuse to be turned about its pivots a6 to act as an isolating switch. The contact b7 has a recess b11 to engage the fuse contact a1 and is associated with slotted arms that receive the pivots a6. It is mounted on the insulator C by three claw-like arms b1 b2 having eniargements b3 that enter a groove in the insulator, a strap b4 extending between the arms b1 and being secured thereto by tightening-nuts b5. The contact e1 is similarly mounted on the insulator C1 and comprises a spring E pressed down by a cam h3 on a lever H to grip the fuse, the fuse contact a2 entering a recess e3. When the fuse is lowered to break the circuit a stop a7 engages the end of the contact b7 and a slot b6 may have inwardly-turned shoulders to prevent accidental displacement of the pivots a6. The conductors are attached to terminals b8, d8. The fuse may be of the kind described in Specification 233,752.
Patent GB-521149-A (GB)
Title: Apparatus for the manufacture of indented, corrugated paper products
IPC: B31F1/28
Filed: 1938-11-01
Abstract: 521,149. Indenting corrugated paper; compound fabrics. SHERMAN PAPER PRODUCTS CORPORATION. Nov. 1, 1938, No. 31615. Convention date, Nov. 9, 1937. [Classes 96 and 140] [Also in Group XVI] Corrugated paper S is passed between two pairs of rollers each having a series of parallel helical ribs to produce indentations 22, e.g. 3/16 to 3/8 inches apart, across the crests of the corrugations, the indentations of one roll being, e.g., perpendicular to those of the other. The ribs of each indenting roll may be supplied with glycerine, oil, water. solutions or suspensions of starch, glue, sodium silicate, gums, cellulose xanthate, rubber latex, artificial rubber dispersions, aqueous emulsions of asphalt, nitrocellulose &c. which may be dyed or pigmented to soften the paper locally so that the indentations are permanent; the paper may then pass over a heated drum or through a hot air chamber to dry it. The sheet may be crepe paper which may reinforced by fabric, or cheesecloth or linen may be used. Reference has been directed by the Comptroller to U.S.A. Reissue Specification 20034.
Patent GB-936114-A (GB)
Title: N-(ªá-alkoxy-alkyl)-aniline-disulphonic acid chlorides and their preparation
IPC: C07C309/86
Filed: 1959-09-16
Abstract: The invention comprise anilinedisulphonic acid chloride derivatives of the general formula <FORM:0936114/IV(a)/1> (wherein R represents a hydrogen atom or a C1-4 alkyl group and R1 an alkyl group), and the preparation thereof by reacting 1-amino-3-chlorobenzene-4,6-disulphonic acid chloride with an a -haloalkyl ether.  Specification 936,115 is referred to.
Patent GB-446822-A (GB)
Title: Improvements in crown cork openers
IPC: B67B7/16
Filed: 1934-11-05
Abstract: 446,822. Opening bottles. GAUNT, C. F., Warstone Parade Works, Warstone Parade, Birmingham. Nov. 5, 1934, No. 31662. [Class 125 (ii)] A crown-cork opener comprises a pair of side portions 9 joined at one end by an integral bridge-piece 14, and a claw 5 constituting the actual opener, normally housed between the side portions but capable of being rotated to an operative position by pivoting about a pin 10 disposed to one side of the bridge piece 14 and in that position to abut against the outer surface of the latter, for which purpose the claw is provided with a shoulder or abutment 16.
Patent GB-1018175-A (GB)
Title: Demasking of masked sheet material
IPC: B29C63/00
Filed: 1964-08-04
Abstract: 1,018,175. Unwrapping sheet material. ROHM & HAAS CO. Aug. 4, 1964 [Aug. 2, 1963], No. 31673/64. Heading B8C. [Also in Division B5] Sheet material 10, such as plastic or metal sheet, is drawn between the nip of two driven rollers 1<SP>1</SP>, 2<SP>1</SP>, so that partially detached masking 11<SP>1</SP> which has been adhered to the surface of the roller 1<SP>1</SP> is wound on to it. The other side of the sheet may be similarly de-masked by the roller 2<SP>1</SP>. The rollers may be pivoted in floating relation to each other, the drive 7 being used as a counterweight or the lower one stationarily mounted. Limit switches may stop the drive whilst pressure sensitive tape is applied to bridge the masking on adjacent sheets 10, 10<SP>1</SP>.
Patent GB-362601-A (GB)
Title: Improvements in machines for drying textile goods and articles of clothing
IPC: F26B13/02
Filed: 1930-10-22
Abstract: 362,601. Band conveyer drying- apparatus. BRAITHWAITE & SON (ENGINEERS), Ltd., I. and DIXON, F. A., Ibis Works, Kendal, Westmorland. Oct. 22, 1930, No. 31675. [Classes 34 (i) and 34 (ii).] Fabrics either in the piece or as towels, clothes, &c. are dried in a casing A<1> on a series of superposed endless horizontal openwork conveyers C each travelling continuously round a heated chamber A closed on the underside and open above and at the sides. A fan D circulates air past heating tubes B and through the chamber, fresh air being admitted if required through a shutter. The conveyers are of woven wire, are mounted on roller chains and are driven at the same speed, the articles falling from one to another as shown.
Patent GB-1079046-A (GB)
Title: Improvements in and relating to semiconductor devices
IPC: C23C8/10
Filed: 1964-08-04
Abstract: A passivating layer is produced on a silicon semi-conductor substrate by forming a film of silicon dioxide on a surface of the substrate, depositing a layer of lead on the oxide film, and heating the resulting body in an oxidizing atmosphere (which may include an organo-oxysilane, such as tetraethoxysilane, as well as oxygen). The initial oxide film may be formed by thermal decomposition of an organo-oxysilane.
Patent GB-910729-A (GB)
Title: Heat exchanger
IPC: F28D7/10
Filed: 1961-09-04
Abstract: 910,729. Fluid heaters. BROWN FINTUBE CO. Sept. 4, 1961 [Oct. 7, 1960], No. 31685/61. Class 64 (1). In a fluid heater comprising an outer shell 10 surrounding an inner heating tube 20 which is provided with radiallyextending longitudinal fins 21, the diameter of the end portion 37 of the outer shell is increased around a finned end of the inner tube at which heating medium is introduced to form an outlet zone 25 for the fluid to be heated. The fins 21 extend in close proximity to the outer shell 10 except in the said zone 25 and in the inlet zone 26 for the fluid to be heated where the fins are omitted. A fluid fuel burner 30 supplies combustion gases to the inner tube and the outer shell is mounted on roller supports 15, 16 and 17 and has an expansion joint 13. The heater may be used in concurrent flow using zone 25 as the inlet and zone 26 as the outlet for fluid to be heated, the burner remaining at the finned end of the tube. Further, the inlet zone 26 may be formed in the same way as zone 25 and the fins retained at the inlet end.