baber/WOPTO huggingface dataset:
Patent GB-852327-A (GB)
Title: Improvements in locks
Inventor: MUNDY DOUGLAS WILLIAM
IPC: E05B65/52
Filed: 1956-04-26
Abstract: 852,327. Latches. REMPLOY Ltd. April 26, 1957 [April 26, 1956], No. 12859/56. Class 44. A lock comprises a spring loaded pivoted lever 8 having a hook 14 to engage in a recess in a hasp 2 and having a sharp-nosed projection 22 which co-operates with the periphery of a rotatable operating member 16 (rotatable through 360 degrees) which has a sharp-nosed projection 20 so arranged that during rotation of the operating member, it displaces the lever against the action of its spring 12 and if the operating member is released while the two projections are in contact then the lever is returned to the hasp-engaging position by its spring. As shown the hasp 2, movable into and out of a lock case 4 is retained in the case by a pair of spring loaded hook ended levers 8 which are moved apart by the member 16 to release the hasp. The member 16 is rotated by a tubular key which is engaged over a stud 24 and lugs 26.
Patent GB-747816-A (GB)
Title: Improvements in the formation of phosphate coatings on metal surfaces
Inventor: HYAMS MONTAGU
IPC: C23C22/73
Filed: 1952-05-22
Abstract: A film of phosphate is applied to a metallic surface, the coating action being promoted by treating the film with steam at a temperature above 180 DEG F.  The phosphate film may be applied by flowing or spraying a powdered or paste-like compound but is preferably applied as an aqueous solution.  Steam treatment may be effected by immersion in a steam bath e.g. in a bottle sterilising plant, or by directing steam in spray or jet form on to the film, continuously or intermittently; the film may be renewed during such treatment.  Ferrous metals may be so treated.  In examples, aqueous solutions containing (i) zinc dihydrogen phosphate, nitric acid and copper carbonate, (ii) sodium dihydrogen phosphate and a trace of wetting agent, (iii) zinc, sodium, nitrate and phosphate ions and polyvinyl methyl ether or a polyoxypropyleneoxyethylene glycol, are mentioned; ethers of such glycols are also referred to.  The Provisional Specification refers also to the use of sodium nitrite and nitrous gases as accelerating agents.
Patent GB-150389-A (GB)
Title: A new or improved means of driving potters' turning lathes
IPC: B28B1/02
Filed: 1919-05-23
Abstract: 150,389. Robinson, C. J. May 23, 1919. Reversing-gearing for potters' lathes. A movable frame equipped with pulleys is adapted to bring a driven belt or rope into driving contact with either of two pulleys arranged side by side and coupled to the lathe shaft. A belt k, Fig. 2, driven from a motor c, passes around pulleys j, j<2>, mounted in a swinging frame g which can be moved by a footlever &c. about a shaft f to bring the belt into driving contact with a driving-pulley m or a reversing pulley n, the pulleys m, n being mounted respectively on shafts l. l<1> coupled to the lathe spindle. Fig. 8 shows a modification in which a driving-rope k<2> passes between pulleys m<1>, n<1> mounted in a swinging frame g, the pulleys being mounted on shafts which are connected to the lathe spindle by belt gearing. Fig. 10 shows a further modification in which a driving-rope k<2> is thrown into engagement with either of two driving- pulleys 4, 5 by a sliding frame 7 furnished with idler pulleys 8, 9.
Patent GB-817175-A (GB)
Title: Improvements in or relating to cyclopentanopolyhydrophenanthrene compounds
IPC: C07J75/00
Filed: 1956-04-27
Abstract: The invention comprises 2a ,4b -dibromo-11b ,17a  - dihydroxy - 21 - acetoxypregnane-3,20-dione, and a process for the preparation of 11b ,17a  - dihydroxy - 21 - acetoxy - D 1,4-pregnadiene - 3,20 - dione by converting 17a -hydroxy - 21 - acetoxy - pregnane - 3,11,20 - trione to its 3,20-disemicarbazone, reducing the 11-keto group with simultaneous elimination of the 21-acetyl group of the said 3,20-disemicarbazone with sodium, potassium or lithium borohydride or lithium aluminium hydride, acetylating the 21-position of the resulting 3,20 - disemicarbazone of 11b ,17a ,21 - trihydroxy - pregnane - 3,20 - dione, e.g. with acetic anhydride in the presence of pyridine, hydrolysing the resulting 3,20-disemicarbazone of 11b ,17a  - dihydroxy - 21 - acetoxy - pregnane-3,20-dione by means of a hydrochloric acid/acetone mixture, e.g. at a temperature not exceeding 40 DEG  C., to produce 11b , 17a -dihydroxy - 21 - acetoxy - pregnane - 3,20 - dione, dibrominating the said 11b ,17a  - dihydroxy - 21 - acetoxy - pregnane - 3,20 - dione in dioxane in the presence of hydrobromic acid and acetic acid, and didehydrobrominating the resulting 2a ,4b  - dibromo - 11b ,17a  - dihydroxy - 21 - acetoxy - pregnane - 3,20 - dione so as to produce the required 21-acetate, and optionally hydrolysing the 21-acetate to form 11b ,17a ,21 - trihydroxy - D 1,4 - pregnadiene - 3,20 - dione. The 3,20 - disemicarbazone of 17a  - hydroxy - 21 - acetoxy - pregnane - 3,11,20-trione is preferably produced by the action of an acetic acid solution of at least 4 mols. of semicarbazide hydrochloride in the presence of a buffer agent, e.g. disodium phosphate, and at a temperature below 50 DEG  C.  The dibromination step is preferably effected with a solution of bromine in dioxane and acetic acid and in the presence of hydrobromic acid.  The resulting 11b ,17a -dihydroxy-21-acetoxy-D 1,4 -pregnadiene-3,20-dione may be purified by chromatography.  One detailed example is given. Specifications 738,828, 816,909 and 817,177 are referred to.
Patent GB-131260-A (GB)
IPC: B23B29/28
Abstract: 131,260. Eichenberger, P. May 16, 1919. Addition to 124,184. Turrets; tool holders.-In turrets or revolving tool boxes for lathes of the type described in the parent Specification, in which the tool box is held in its various positions by an internal pawl engaging a. ratchet wheel with radial teeth, the teeth are detachable and arranged to be slightly adjustable angularly so that the angular positions in which the tool box is fixed may be varied so that the correct height of cut may be obtained when using tools not very exactly ground and adjusted and also re-ground tools. In the form shown, the teeth d are mounted in a circumferential groove c in the face of the wheel, are adjusted in the groove by pointed screws g engaging conical indentations in the teeth, and are fixed in position by bolts e passing through elongated slots in the wheel.
Patent GB-843315-A (GB)
Title: Improved ball-type applicator
IPC: A45D34/04
Filed: 1958-04-25
Abstract: <PICT:0843315/III/1> In an applicator fitment having a trapped ball 21 which co-operates with an apertured flexible web 24 and an annular seat 26 against which the ball may be urged by a cap 14 to seal the fitment against leakage, but from which it is normally held by the web 24, the cap fits telescopically over the fitment and has means limiting the extent of such movement and the amount of deflection of the web 24.  The limiting means may comprise a shoulder 30 on the cap which engages a shoulder 29 on the fitment. The fitment is made of readily deformed plastic, such as polyethylene.
Patent GB-164946-A (GB)
Title: Improvements in or relating to means for bonding metallic tubing in electrical wiring installations
IPC: H02G3/06
Filed: 1920-05-12
Abstract: 164,946. Ryeland, A. E., and Ferguson, C. May 12, 1920. Earth - continuity couplings. - Metallic tubing in electric wiring installations is bonded by means of a strip of metal having clips 6, 7 adapted to be secured to adjacent sections of the tubing. The strip may be in twc parts 10, 11 detachably secured together as by bolts and nuts 13 and each part may have a number of holes 12 to facilitate adjustment. A number of strips 18, 19, 20 each having a clip or clips may be connected by a metal bridge piece 23 as in Fig. 3. The clips are integral with or permanently attached to the strips.
Patent GB-1212144-A (GB)
Title: A solder-absorbing wick and a method of manufacture thereof
Inventor: HOOD JESSE CARL JR
IPC: B23K3/08
Filed: 1969-03-13
Abstract: 1,212,144. Soldering. J. C. HOOD Jr. 13 March, 1969 [18 March, 1968], No. 13193/69. Heading B3R. [Also in Division C7] A solder removing wick consists of braided copper strands, the braid having an exterior surface of copper directly in contact with and substantially entirely coated with a non- corrosive flux. To unsolder the connection between a copper wire 16, Fig. 2, from a component and a printed strip 12 on a printed circuit board 10 a length of flux-coated braided copper wire forming a wick 20 is placed on the solder globule 18, a hot soldering iron bit 24 is placed on the wick to melt the solder which flows up into the wick and the wick and bit are removed to leave the wire 16 and strip 12 free of solder. The flux coating is applied to the wick by the apparatus shown in Fig. 5, wherein the tubular wick is flattened by rollers 28 and is fed over guide rollers 29 through a tank 30 of flux solution the coated wick then passing a hor air blower 34 and finally when dried is fed on to a roller. The flux may be methyl ester of abietic acid, methyl ester of pimaric acid, pine rosin or rosin obtained from tall oil by removal of fatty acid components and the solvent may be acetone, cyclohexane, methyl formate, tert-butyl alcohol, ethyl bromide, vinyl acetate, n-propylamine, ethylene chloride, methyl sulphide, n-hexane, isopentane, methyl acetate, methyl alcohol, n-propyl formate, acetyl chloride, carbon tetrachloride, ethyl acetate, ethyl alcohol, methylene chloride methyl ethylketone, ethyl formate isopropyl alcohol and mixtures thereof. Dimethylamine or acetaldehyde under defrigeration may also be used. In an example, 25 parts by weight of rosin is dissolved in 75 parts by weight of a 4 : 1 mixture of methyl acetate and methyl alcohol to form the fluxing solution and the wick is submerged in the solution for 0À5-1 second and then dried. The surface tension of the solvent is low enough that the braid is entirely coated externally with the flux and yet, when the solvent is volatilized, the wick retains sufficient capillarity to draw up molten solder.
Patent GB-1273676-A (GB)
Title: Electro-magnetic distance measuring apparatus
Inventor: AMON GEORG
IPC: G01S17/32
Filed: 1970-03-19
Abstract: 1,273,676. Photo-electric distance-measuring; acoustic delay lines. CARL ZEISS JENA VEB. 19 March, 1970, No. 13262/70. Headings H3U and H4D. In a photo-electric modulation-phase distance-measuring device the received modulation is mixed 12, Fig. 1, with a local oscillation from oscillator 13 to produce a lower frequency signal which is then delayed in adjustable acoustic wave path 18 before being mixed 19 with the local oscillation to produce sinusoidal modulation of the outgoing light beam. In operation transducer 17 is displaced until frequency meter 23 shows a preselected magnitude and the displacement is read on a scale, Fig. 3 (not shown), of length of go-and-return. Acoustic delay lines, Fig. 2.-The adjustable delay is produced by transducer 17 mounted on slider 26, hermetically sealed tube 24 being filled with liquid or gas; channels 28 connect spaces 29, 30.
Patent GB-641654-A (GB)
Title: Dental impression composition
IPC: A61K6/90
Filed: 1947-05-16
Abstract: A dental impression composition comprises a gel-forming agent, a fluosilicate and a metal, preferably lead, silicate.  The gel-forming agent may be a water-soluble salt of alginic acid, preferably the sodium, potassium, or ammonium salt.  A filler such as diatomaceous earth, talc, or clay is added and then the lead silicate.  Calcium sulphate in the form of the hemihydrate may be incorporated, and then the fluosilicate of aluminium, sodium, potassium, barium, strontium, calcium, magnesium, zinc, or manganese.  A small amount of tetrasodium pyrophosphate is added and the whole mixed dry without any increase in temperature in a ball mill.  In a modification, the fluosilicate and calcium sulphate are reacted in the presence of water and the stone-like product is ground and incorporated in the mix.  The product may be stored if kept dry, and on moistening sets to an elastic mass.
Patent GB-1076988-A (GB)
Title: New alkylsulphonylanthraquinone dyestuffs
Inventor: NEEFF RUETGER
IPC: C09B1/20
Filed: 1965-03-30
Abstract: The invention comprises anthraquinone dyes of the formula <FORM:1076988/C4-C5/1> wherein R is alkyl with or without substituents, R1 is H, halogen, -CN or substituted or unsubstituted -SR5 or -SO2R5,R2 is H, -OH, alkoxy, amino or -NH-SO2-aryl which aryl may be substituted, R3 and R4 are each H, halogen, nitro, amino or hydroxyl and R5 is alkyl, aralkyl or aryl which may be substituted. The dyes may be prepared by oxidizing the corresponding 2-alkylthio-anthraquinone, e.g. with H2O2.  The dyes may be employed to colour materials of cellulose acetates or aromatic polyesters. The alkyl radical R may have 1-6 C atoms and may be substituted by halogen, hydroxy, alkoxy, hydroxyalkyleneoxy, alkoxyalkyleneoxy, cyano or carboxyalkyl or amino optionally substituted by alkyl, hydroxyalkyl, alkoxyalkyl, cyanoalkyl or aryl.  Examples are given.ALSO:Polyethylene terephthalate and cellulose triacetate materials are dyed with anthraquinone dyes of formula <FORM:1076988/D1-D2/1> in which R is an unsubstituted or substituted alkyl radical, R1 is hydrogen or halogen, a cyano group or an unsubstituted or substituted -SR5 or SO2R5 group, R2 is hydrogen or a hyroxyl, alkoxy, amino or -NH-SO2- aryl group, the aryl radical of which may be substituted, R3 and R4 which are the same or different may be hydrogen or halogen, nitro, amino or hydroxyl groups, R5 is an alkyl, aralkyl or aryl group which may be substituted.  The thermosol process is employed giving blue-red shades.
Patent GB-1351896-A (GB)
Title: Connectors for circuit boards
IPC: H01R12/87
Filed: 1972-03-22
Abstract: 1351896 Circuit board edge connectors BENDIX CORP 22 March 1972 [22 March 1971] 13437/72 Heading H2E An edge connector for a circuit board 5 having terminals in the form of eyelets 1 comprises pairs of aligned male contacts 10, each contact terminating in an inclined end surface 11, the surfaces of each pair facing each other and at least one contact being movable towards the other contact within an eyelet so that the end surfaces bear against each other and force the contacts out of alignment and against the wall of the eyelet. The contacts 10 are the ends of the resilient arms 9 of a Y-shaped assembly mounted in a housing 12 which is slidable within a casing 8. Rollers 14 are confined by members 16 between the arms 9 and inclined cam surfaces on the housing to which is fixed a blocking member 17. In use a circuit board 5 is inserted through an opening 13 in the connector to bear against the blocking member 17 and move the housing to the left within the casing. This causes the rollers to move the arms 9 and contacts 10 towards each other and effect connection with an eyelet 1. A conductor may be connected to an opening 19 on the Y-shaped assembly. The housing may have a detent or catch to hold the board in position.
Patent GB-134533-A (GB)
IPC: F23H9/00
Abstract: 134,533. Rezsny, K. July 4, 1917, [Convention date]. Grates.-A dumping or tipping grate, more especially for locomotives, consists of a central portion g, g mounted between two side portions c<1>, c<2> on an axis d, which does not pass through its centre of gravity. The portions c<1>, c<2> are of L. shape, and their stems are connected together, with an interposed distance-piece c, by a bar f. In its working position, the grate g rests on the distance-piece c, and in its dumping position it rests, under its own weight, well back from the opening. In a modification, the fixed side portions c<1>, c<2> are of I-shape.
Patent GB-567419-A (GB)
Title: Improvements in and relating to the manufacture of thiazole derivatives
IPC: C07D277/36
Filed: 1943-08-18
Abstract: Thiazole derivatives are made by the interaction of a thiazole substituted in the 5-position by a halogen or a halo-alkyl group with potassium hydrosulphide or thiourea.  The thiazole may carry an alkyl substituent in the 4-position and the 2-position is either unsubstituted or substituted by an amino group.  Both the anti-bacterial 5-mercapto thiazoles and the corresponding bis-(thiazole-5)-homosulphides may be extracted from the reaction product.  Examples relate to the preparation of (1) 2-amino-4-methyl-5-mercapto-thiazole, by the interaction of 2-amino-4-methyl-5-bromothiazole with potassium hydrosulphide in a methyl alcoholic solution, prepared by saturating with hydrogen sulphide a solution of potassium hydroxide in methyl alcohol, the bis - (2 - amino - 4 - methyl - thiazol  - 5) - monosulphide, which is also formed, being left as an insoluble residue on extracting the mercaptothiazole with water; (2) the same two products by the similar interaction of 2-amino-4-methyl-5-bromothiazole with thiourea; (3) 4-methyl-5-mercaptoethyl-thiazole, by the interaction as in (1) of 4-methyl-5-bromethyl-thiazole with potassium hydrosulphide. 4-Methyl-5-bromethyl-thiazole is obtained by interaction of thioformamide with 1 : 3-dibromopropyl methyl ketone.
Patent GB-697875-A (GB)
Title: Containers for dispensing tablets and the like
IPC: B65D83/04
Filed: 1951-06-07
Abstract: 697,875. Boxes. DUELL, E. B. June 7, 1951 [June 26, 1950], No. 13521/51. Class 18 A box has pockets 12 for individual tablets and a lid capable of limited sliding in two directions to uncover one half or the other of the tablets. Projections 20, 21 on the lid engage elements 18, 22, 19, 24 on the body to maintain the lid in closed position or in a series of positions uncovering one tablet at a time for dispensing. The projections 20, 21 engage stops 26, 27 in the full open positions of the lid. A roughened surface 31 on the lid and a similar surface or ribs 32 on the body assist gripping. The lid may be transparent. The body is recessed to accommodate a protective sheet 28.
Patent GB-272190-A (GB)
Title: Improvements in the manufacture and production of valuable hydrocarbons and derivatives thereof from coal, tars, mineral oils and the like
IPC: C10G1/06
Filed: 1927-05-20
Abstract: 272,190. I. G. Farbenindustrie Akt.- Ges. June 1, 1926, [Convention date]. Hydrogenation, destructive. - Carbonaceous materials, tars, mineral oils, bitumens &c. are converted into products of lower boiling point by conveying them mechanically in a coherent thin layer through a reaction chamber while exposed to hydrogen at high temperature and pressure preferably in the presence of catalysts. The materials are passed through the reaction chamber on a metallic screw-formed surface or corrugated band of large area. Panuco mineral oil is forced into a vertical high pressure reaction chamber lined with aluminium and passed over a screwformed aluminium surface in contact with excess hydrogen under a pressure of 200 atmospheres and at 457-475‹ C. The product obtained contains 70-80 per cent benzine. Molybdic acid may be added as a catalyst, and substances such as magnesia, wood flour, and diatomaceous earth to increase the superficial area exposed to the hydrogen.
Patent GB-1218874-A (GB)
Title: Method and apparatus for controlling micro-organisms and enzymes
IPC: A23L3/005
Filed: 1969-03-14
Abstract: 1,218,874. Controlling micro-organisms and enzymes. GRAY INDUSTRIES Inc. 14 March, 1969 [27 March, 1968], No. 13634/69. Heading A2D. [Also in Division A5] The level of micro-organisms and enzymes in a material is controlled by subjecting the material in a treating zone and contained in a confined zone at least one wall of which confined zone is permeable to microwave energy and infra red radiation, simultaneously to microwave energy and infra red radiation through an atmosphere of steam under superatmospheric pressure, until the desired level is reached, the steam atmosphere being in contact with the walls of the confined zone but out of contact with the material undergoing treatment. The material may be contained in one or more packages, which packages have at least one side permeable to the radiations. The process is also applicable to sterilisation of empty packages. The material may alternatively be treated whilst flowing through or along a confined pathway, such as a tube, which is permeable to the radiations. The material to be treated should be moisture-free.
Patent GB-807007-A (GB)
Title: Improvements in shears for dividing moving cast or rolled material
IPC: B23D25/06
Filed: 1957-04-30
Abstract: 807,007. Shearing. SCHLOEMANN, A. G. April 30, 1957 [May 25, 1956], No. 13682/57. Class 83 (4). In a flying shears for cutting continuously fed material 12 in which a frame 2 carrying the blades 5, 8 is swung in the direction of feed during cutting, one blade 8 is reciprocated in guides 6 in the frame 2 by a connecting-rod 9 driven by a crank-shaft 11, and the frame is mounted on a fixed pivot 3 at its end remote from the crank-shaft 11. The frame is swung in a vertical plane and is supported by a piston and cylinder 15. The crank-shaft 11 is journalled in fixed bearings. In a modification the crank-shaft 11 is journalled in the moving frame 2. In another modification the blade 5 is reciprocated in guides in the frame 2 by a crank-shaft which also constitutes the pivot 3 of the frame.
Patent GB-1154550-A (GB)
Title: Improvements in or relating to Transistor Push-Pull Modulators.
IPC: H03C1/54
Filed: 1967-03-23
Abstract: 1,154,550. Balanced modulators. SIEMENS A.G. 23 March, 1967 [25 March, 1966], No. 13704/67. Heading H3R. A balanced modulator comprises four transistors 1-4 connected as shown, the carrier frequency being supplied to the bases from transformer 6 through individual resistances 15-18 and the modulation being supplied from transformer 5 through resistances 21-24. The collectors of the transistors are connected in pairs to opposite ends of the primary winding of the output transformer 7, a centre tap of this winding being connected to one end of a potential source 8 to the other end of which is connected to a centre tap of transformer 6 and through resistances 9 and 10 to the two pairs of emitters; a variable resistance 11 connects the two pairs of emitters. The four transistors are preferably formed as an integral unit and may be arranged in the form of a square on a common baseplate. The transistor should have a high threshold voltage in the base-emitter region, and may be silicon transistors.
Patent GB-864592-A (GB)
Title: Process for the treatment of formed negative electrodes of lead accumulators
IPC: H01M4/22
Filed: 1959-04-22
Abstract: 864,592. Batteries. ACCUMULATORENFABRIK A.G. April 22, 1959 [May 30, 1958], No. 13755/59. Class 53. Negative spongy lead electrodes for an accumulator are preserved from oxidation by being impregnated with an aqueous or alcoholic solution of boric acid and then dried. The acid may be applied by dipping or spraying, and the electrodes may be dried above the boiling point of water by infra-red radiation. Small quantities of phenol, cresol, methyl cellulose and other organic substances may be added to the boric acid solution. The treatment may also be carried out by using boric acid solution as the electrolyte in the forming process of the electrodes, and in this case sulphuric acid, aluminium sulphate or other salt having an acid reaction in solution may be added to the forming solution. The forming process may be conducted outside the accumulator in a boric acid solution, carbon or graphite being used as the second electrode,