baber/WOPTO huggingface dataset:
Patent GB-1277464-A (GB)
Title: Plating solution pickup unit
Inventor: STREETER BERT
IPC: C25D21/16
Filed: 1969-10-08
Abstract: 1277464 Electro-plating apparatus DEAN BROS PUMPS Inc 8 Oct 1969 [8 Oct 1968] 49380/69 Heading C7B A pick-up unit (30) Fig.1 (not shown) for use with a plating solution reclaiming unit and a plating machine having a plating tank 12 and at least one rinse tank 22 comprises a first reservoir 31 for receiving rinse tank effluent and plating solution, first control means e.g. overflow conduit 46 for controlling the rinse tank effluent flow to the first reservoir, second control means, e. g. second and third reservoirs 32, 33 formed by an assembly 36 bisected by an overflow partition 39 and connected by conducts 41, 45 respectively for controlling the plating solution flow from the tank 12 to the first reservoir, and third control means, e.g. a valve 53 operated through linkage 54 by a float 55, for controlling the flow of effluent and plating solution to the reclaiming unit.
Patent GB-1473266-A (GB)
Title: Achromatic aplanatic condenser
IPC: G02B21/08
Filed: 1975-12-02
Abstract: 1473266 Microscopic condensers AMERICAN OPTICAL CORP 2 Dec 1975 [16 Dec 1974] 49477/75 Heading G2J An achromatic, aplanatic microscope condenser, having a numerical aperture of 1À30, comprises a double convex doublet I, a meniscus lens II and a convex plano doublet III, the condenser having a pupil plane P external of the condenser. Optical data of such a condenser are given.
Patent GB-1403248-A (GB)
Title: Amino ethers
IPC: C07C213/00
Filed: 1972-10-27
Abstract: 1403248 Polyolefin-derivatives BRITISH PETROLEUM CO Ltd 18 Oct 1973 [27 Oct 1972] 49573/72 Heading C3P [Also in Division C5] Compounds of formula ROR<SP>1</SP>NR<SP>2</SP>R<SP>3</SP> where R is a hydrocarbyl group having at least 20 carbon atoms and being derived from an olefin polymer, R<SP>1</SP> is a hydrocarbylene group or amino substituted hydrocarbylene group, and R<SP>2</SP> and R<SP>3</SP> are hydrogen or alkyl, may be prepared by reacting a compound of formula HOR<SP>1</SP>NR<SP>2</SP>R<SP>3</SP> with a metal of Group IA or II, or an oxide, hydroxide or carbonate thereof, to form an alkoxide and reacting the resulting alkoxide with RX where X is chloride or bromide. The olefin polymer may be derived from ethylene, propylene, a butene or 4-methylpentene-1, preferably isobutylene. Preferred metals and metal compounds are sodium hydroxide, potassium hydroxide and magnesium, and reaction with the alkanolamine may be effected in an inert solvent, e.g. xylene. The products are useful as carburettor detergents in gasolines. Examples describe the reaction of chlorinated polybutenes with alkoxides derived from (1) sodium hydroxide and 2-aminoethyl ethanolamine, (2) sodium hydroxide and N-(dimethylaminopropyl) ethanolamine and (3) magnesium and 2-aminoethyl ethanolamine.
Patent GB-1377800-A (GB)
Title: Hexahydrotriazine catalysts
IPC: C08G18/00
Filed: 1972-10-27
Abstract: 1377800 Hexahydrotriazine adducts BASF WYANDOTTE CORP 27 Oct 1972 [13 Dec 1971] 49689/72 Heading C2C [Also in Division C3] A novel adduct which is the reaction product of (a) a 1,3,5-tris(N,N-dialkylaminoalkyl)-shexahydrotriazine, (b) an alkylene oxide, cycloalkylene oxide or aryl substituted alkylene oxide, is believed to be of the formula where each R is H or lower alkyl, R<SP>1</SP> is alkylene and R<SP>11</SP> is lower alkyl and may be prepared by reacting substantially equimolar amounts at 10-80‹ C. for up to 2 hours. The adducts may be used as catalysts in the production of fireresistant rigid cellular foams characterized by carbodiimide linkages (see Division C3).
Patent GB-1247603-A (GB)
Title: Separation of synthetic rubbers
IPC: C08C1/14
Filed: 1969-10-10
Abstract: 1,247,603. Removing monomers from polymerization latices. SOC. ITALIANA RESINE S.p.A. 10 Oct., 1969 [12 Oct., 1968], No. 49990/69. Heading C3P. A process for preparing pure butadienestyrene or butadiene-acrylonitrile rubbers which are in an aqueous polymerization latex, comprises separating from the latex, unreacted butadiene by flash distillation at the ambient pressure, adding an antioxidant amino compound and feeding the resulting mixture to a pair of counter-rotating drums internally heated so that the temperature of the polymer deposited on the drums is from 70‹ to 120‹ C. at a pressure of 700-760 mms. Hg., whereby water and unreacted styrene or acrylonitrile are evaporated, and the coagulated solid polymer is recovered in the form of dried sheets. The example relates to the treatment of a styrenebutadiene copolymer latex, the purified rubber produced being vulcanized in known manner.
Patent GB-1027669-A (GB)
Title: Apparatus for automatically placing bands on wound balls such as wound balls of wool
Inventor: LEVEUGLE ROLAND
IPC: B65B13/02
Filed: 1964-12-09
Abstract: 1,027,669. Banding balls of wool &c. ETABLISSEMENTS FRANCOIS MASUREL FRERES. Dec. 9, 1964, No. 50008/64. Heading B8C. A device for applying a band to a wound ball comprises jaws 7 pivoted on a frame 6 and capable of supporting a band A placed manually upon them, the jaws descending to embrace the ball 2 on a winding machine spindle 1 and opening out round it against the influence of spring means 9. The frame may be of U-shape with the jaws, which are of arcuate section, pivoted on the arms 6a, 6b. An extractor fork 10 descends with the frame and grips the ball and band. Both frame and extractor then rise until the former reaches the top of its stroke when further movement of the extractor withdraws the ball with the band in position from the jaws.
Patent GB-1190608-A (GB)
Title: Improvements in or relating to Electric Ceiling Switches.
Inventor: ROBINSON CHARLES
IPC: H01H17/22
Filed: 1967-11-04
Abstract: 1,190,608. Mechanical switches. WARD & GOLDSTONE Ltd. 4 Feb., 1969 [4 Nov., 1967], No. 50220/67. Heading H1N. An electric ceiling switch comprises an insulating cover 10, Fig. 1 (not shown), with a lead-out hole for a flexible traction member 13, an insulating rotary spindle 16 journalled transversely of a box formation moulded at the inner side of cover 10, a driving pulley 18 mounted for partial rotation coaxially with a central port 17 of spindle 16 and having traction member 13 connected to its periphery, coacting face-ratchet means 21, 22 formed on pulley 18 and on an opposed shoulder on spindle 16. The switch further comprises a spring 24 on spindle 16 resisting rotation of pulley 18 when traction member 13 is pulled and also urging the face-ratchet means 21, 22 into engagement so that spindle 16 is turned one-quarter of a revolution at each such pull, a retaining pawl 27 co-operating with peripheral ratchet teeth 28 on spindle 16 to prevent reverse rotation of spindle 16, axially spaced integral cams 30 on spindle 16 each adapted to separate a spring contact blade 31 from a stationary contact 32 at each alternate angular movement of spindle 16, and an insulating base 37 attached to the inner side of cover 10 to enclose and retain in position spindle 16, pulley 18 and contact members 31, 32. When traction member 13 is pulled, pulley 18 rotates one-quarter of a revolution, rotating through pegs 21 and ratchet teeth 22 on spindle 16. When traction member 13 is released spring 24 rotates pulley 18 back to its original position. Spring contact blades 31 form part of a U- shaped member but they may be separate from each other for a double-pole switch. Insulating base 37 is fastened by a metal strap secured by two hollow rivets through which fixing screws may pass. The metal strap preferably carries the earth terminal or terminals. In the case of a double-pole switch a neon indicator lamp may be fitted visible through cover 10.
Patent GB-503479-A (GB)
Abstract: 503,479. Checking fares and receipts. A. E. G.-FAHRKARTENDRUCKER GES. Oct. 2, 1937, No. 26743. Convention date, Oct. 2, 1936. [Classes 106 (i) and 106 (iii)] A ticket or receipt printing machine, wherein a record strip which is printed upon and advanced each time a ticket is printed is contained in a removable box, has means whereby removal of the box automatically leads to an advance of the record strip. The record strip is contained in a box 4, having pins 6 resting in slots 7 in a hinged part 8 of the casing ' 1 of the machine and in slots 9 in the walls of the casing, and is wound up on a roller driven by a friction clutch from a counter-pressure roller 5 pressing under the action of resilient devices 10 against peripheral ribs 3 on the printing drum 2. The ribs 3 are cut away at 11 to allow printing on the record strip at this point and a stop 12 on the printing drum moves downwards a bent lever 13 pivoted at 13<1> on the machine casing and having pivoted on it a pawl 15 which advances the ratchet wheel 14 and with it the roller 5 and record strip. A pin 16 then disengages the pawl 15 from the ratchet 14 and when the stop 12 clears the lever 13 the latter is moved back against the stops 17 by a spring. In order to remove the record box 4 from the machine the hinged part 8 is swung out causing relative movement between the pawl 15 and ratchet wheel 14 and thus advance of the record strip.
Patent GB-1361110-A (GB)
Title: Electrode-operated display device
IPC: H01J17/49
Filed: 1972-11-01
Abstract: 1361110 Matrix displays NATIONAL CASH REGISTER CO 1 Nov 1972 [12 Nov 1971] 50365/72 Heading G5C [Also in Division H1] A display device comprises two insulating plates 10, (12), Fig. 2 (not shown), the first supporting two or more sets 30 of electrodes and non-crossing connections between electrodes of different sets, the second supporting common electrodes (50) each of which is associated with one set. In a gas discharge panel the members are spaced by an opaque plate (14) with gas filled apertures corresponding to the electrodes of the sets. The electrodes are separated from the gas by insulating layers (32), (52). A decimal point electrode 66 and keep alive electrodes 72 are also supported on plate 10 and co-operating interconnected electrodes (78), (80) on the other plate. In another embodiment the sets include diagonal electrodes; some electrodes on one side of the set are connected to electrodes on the other side; and the common electrodes are each divided into two separately energized members. The electrode arrangement may be used in liquid crystal panels.
Patent GB-1043428-A (GB)
Title: A method of producing a diffusion zone enriched with silicon
IPC: C23C10/44
Filed: 1963-12-20
Abstract: A silicon enriched diffusion zone is formed on the surface of steel, alloy steel or a chromenickel alloy by heating to 900 DEG -1200 DEG C in a powder mixture comprising 0.3 to 3% by weight of free silicon or sufficient of a silicon based alloy such as ferro silicon (80% Si) to produce 0.3 to 3% silicon, up to 0.5% of a halide such as NH4Cl and a neutral filler such as Al2O3.  The silicon or silicon based alloy powder has a grain size under 5 microns.  Chromium or aluminium may also be diffused into the alloy at the same time as the silicon.
Patent GB-1420191-A (GB)
Title: Purification of anthraquinone suophonic acids
IPC: C07C309/38
Filed: 1971-11-01
Abstract: 1420191 Purification of anthraquinone sulphonic acids IMPERIAL CHEMICAL INDUSTRIES Ltd 31 Jan 1973 [1 Nov 1971] 50640/71 Heading C2C Anthraquinone sulphonic acids obtained by a mercury catalysed sulphonation of anthraquinone are purified by diluting the reaction product mixture with water, adding di-(#- mereaptoethyl) sulphide, and isolating the insoluble Hg complex of di-(#-mercaptoethyl)- sulphide. Oleum is specified as a sulphonating agent. Examples are given which illustrate the process. Reference has been directed by the Comptroller to Specification 1,370,413.
Patent GB-507078-A (GB)
Abstract: 507,078. Discharge apparatus. GENERAL ELECTRIC CO., Ltd., and GALLIZIA, E. Dec. 15, 1937, No. 34746. Drawings to Specification. [Class 39 (i)] The inner surface of the anode metal arm or housing, e.g. of a converter, is wholly or partly vitreous-enamelled. The vitreous enamel may extend over the inner surface of the anode seal, which consists of metallic members united by vitreous material, and may extend a short distance over the anode stem. In another form, metal band may be sprayed onto the enamel to form a control electrode. The converter may be of the pumpless type or may be continuously evacuated.
Patent GB-1528509-A (GB)
Title: Peristaltic pump
IPC: F04C5/00
Filed: 1976-12-06
Abstract: 1528509 Peristaltic fluid-machines MILES LABORATORIES Inc 6 Dec 1976 [22 Dec 1975] 50769/76 Heading F1U In a pump having at least one pumping tube 103 compressed against a spring-loaded member 76 by rotating rollers 23 ..... 30 a push member(s) 51, 54 can be moved longitudinally by e.g. a spring(s) 71, 73, so as to compress the tube(s), thus cutting off the flow of working fluid, and also to retract the member 76, thereby interrupting the pumping action. The push member may be withdrawn  (against the action of the springs) by solenoids 60, 60a.
Patent GB-1202808-A (GB)
Title: Heterocyclic dimethine dyes
Inventor: BRACK ALFRED
IPC: C09B23/10
Filed: 1968-10-25
Abstract: 1,202,808. Phenoxazines. FARBENFABRIKEN BAYER A.G. 25 Oct., 1968 [2 Nov., 1967], No. 50780/68. Heading C2C. [Also in Division C4] N - Methyl - phenoxazine - 3 - aldehyde is made by heating N - methyl - phenoxazine with dimethylformamide and phosphorus oxychloride. 2: 8:10 - trimethylphenoxazine - 3 - aldhyde is made by heating 2: 8 - dimethyl - phenoxazine with PCl 3  and methanol to form 2: 8: 10 - trimethylphenoxazine which is converted to the 3 - aldehyde by heating with dimethylformamide and POCl 3  in CHCl 3 .
Patent GB-1016015-A (GB)
Title: Improvements in and relating to display devices
Inventor: EMERY REGINALD JOHN
IPC: A45D31/00
Filed: 1963-12-24
Abstract: 1,016,015. Boxes. EGLURE Ltd. Aug. 13, 1964 [Dec. 24, 1963], No. 50846/63. Heading B8P. [Also in Divisions A4T and A4V] A tray with recesses for artificial finger nails is formed for insertion in a box which may have a transparent lid or cover, and have projections preventing vertical movement in the base.
Patent GB-509893-A (GB)
Abstract: 509,893. Dyes. GROVES, W. W. (I. G. Farbenindustrie Akt.-Ges.). Jan. 21, 1938, No. 2042. [Class 2 (iii)] 2.5-Diamino-1.4-benzoquinone and itsderivatives are made by condensing a 2-amino-5- alkoxy-1.4-benzoquinone (see Specification 509,891) with ammonia or a primary amine at a temperature below about 120‹C. in a diluent, and if desired in presence of an acid-binding agent. Excess amine may serve both as diluent and acid-binding agent. Benzoquinones specified are those of the formula where X and Y represent hydrogen, halogen, or methyl and R is hydrogen, alkyl, or aryl. 1. Amines specified are methylamine, ethylamine. butylamine, or arylamines substituted by hydroxyl, carboxyl, sulpho, alkyl, amino or acylamino groups. Acetates, carbonates, or organic bases are acid-binding agents. Products with two different amine radicles may be obtained, or one molecule of a diamine may be reacted with two of a benzoquinone. The products may be sulphonated by treatment with sulphonating agents till a test portion yields a brown solution on dilution with water. They are vat-dyes for wool or intermediates for sulphur and dioxazine dyes, and, if soluble, they may be used for printing cotton mordanted with metal salts. In examples, (1) 2-methoxy-5- anilino-3.6-dichloro-1.4-benzoquinone is reacted with (a) ammonia, (b) ethylamine, (c) p-aminodiphenyl, followed by sulphonation (yellowbrown tints on wool); (2) 2-ethoxy-5-anilino- 3.6-dibromo-1.4-benzoquinone is reacted with 3-amino-N-ethylcarbazole (brown tints) ; (3) methoxy-anilino-chloro-toluquinone obtainable according to example 3 of Specification 509,891 is reacted with #-naphthylamine; (4) 2- methoxy-5-(p-diphenyl)-amino-3.6-dichloro-1.4- benzoquinone is reactedwith (a) sulphanilic acid, (b) #-anthramine (brown), (c) p-aminoanthraquinone (brown), (d) 5-(3-aminobenzoylamino)-3-sulpho-2-hydroxybenzoic acid,.(e) pphenylenediamine (¢ mol. and 1¢ mols, the product obtained from ¢ mol of the diamine and 1 mol. of the quinone being sulphonated-brown tints), (f) benzidine ; (5) 2-n-butoxy-5-(N- ethylcarbozolyl-3<1>-amino)-3.6-dichlor-1.4-benzoquinone is reacted with (a) 5-amino-3-sulpho- 2-hydroxybenzoic acid (currant), (b) 3-aminopyrene (brown), (c) 6-amino-2.3-hydroxynaphthoic acid (currant tints) ; (6) 2-ethoxy-5-(#- naphthylamino)-3.6-dichloro-1.4 - benzoquinone is reacted with (a) 6-amino-2.3-hydroxynaphthoic acid, (b) 3-aminopyrene (brown tints) ; (7) 2-methoxy-5-(4<1>-hydroxy-3<1>-carboxy-anilino) - 3.6-dichlor-1.4-benzoquinone is reacted with 3-aminopyrene (brown tints). 'Specification 509,898 is referred to.
Patent GB-1414502-A (GB)
Title: Composite wrapper for smoking article
IPC: A24B15/12
Filed: 1972-11-06
Abstract: 1414502  Cigarette wrappers OLIN CORP 6 Nov 1972 [24 Nov 1971] 50992/72 Heading A2C [Also in Division D2] A composite wrapper for encircling a tobacco charge consists of an inner wrap comprising a porous combustible cellulosic paper sheet containing at least 5% by wt. of the sheet of pulverised carbon particles and an outer wrap of conventional cigarette paper or cigar wrap. The inner wrap may also include an alkaline earth metal carbonate e.g. CaCl 3 , MgCO 3  as additional filler, flavourants e.g. menthol, vanillin, glycynhiza, burn improving agents e.g. alkali metal hydroxides, bicarbonates, or carbonates, or burn retardants.
Patent GB-1405919-A (GB)
Title: Device suitable for use with a grinding machine
IPC: B24B9/00
Filed: 1972-11-07
Abstract: 1405919 Grinding PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 7 Nov 1972 [10 Nov 1971] 51307/72 Heading B3D A work support designed to enable a grinding machine, e.g. a surface grinding machine, to produce rounded corners, either internally or externally, comprises a work holder pivoted for translatory movement about an axis in a frame adapted to be secured to a slide table of the machine, the holder being constrained to substantially without changing its orientation. The holder is pivoted on cranks of variable throw to enable curvatures which differ along the length of a workpiece to be produced. The holder 28, shown carrying a workpiece 46, is mounted on a journal 31 the ends of which are pivoted in blocks 33 sliding in ways in discs 34. The latter are mounted on coaxial shafts 35 rotatable in synchronism in the support frame 25 by manual means 36-39. The orientation of the holder 28 is maintained by pillars 42 which are an easy fit in grooves in the holder and are carried by a plate 43 pivotally mounted on a slide 44. The eccentricity of the ends of the shaft 31 relative to the axis of the shafts 35 is determined by gauge blocks 40, the resulting skin being accommodated by the easy fit of the pillars 42 and the rotation of the plate 43.
Patent GB-1006340-A (GB)
Title: Hydrazone derivatives of heterocyclic compounds
IPC: C07D211/98
Filed: 1963-12-31
Abstract: The invention comprises compounds of the formula <FORM:1006340/C2/1> wherein Ar is a phenyl group, Ar1 is a phenyl or halophenyl group, Z is a hydrogen atom or a hydroxy group, and R is an alkyl, phenyl, hydroxyphenyl, dialkylaminoalkoxyphenyl, cyanophenyl, 3,4 - methylenedioxyphenyl, naphthyl, 2 - hydroxy - 1 - naphthyl, pyridyl, 4-quinolyl, or thienyl radical.  The preferred halophenyl group is chlorophenyl.  Suitable values for R are methyl, ethyl, propyl, butyl or hexyl radicals.  The compounds are prepared by contacting an amine of the formula <FORM:1006340/C2/2> with an aldehyde of the formula RCHO.  The reaction may be effected in the presence of an inert solvent and can be promoted by use of an elevated temperature or by catalytic amounts of a mineral or organic acid or by excess of the aldehyde reactant. Examples describe the preparation of 4-(p-chloro-a -phenylbenzyl)-1-ethylidene - aminopiperidine and 4 - (p - chloro - a - phenylbenzyl) - 1 (4 - pyridylmethylene-amino)-piperidine. Numerous other compounds, characterized by their melting points, are specified.  The amines of the formula II are made by nitrozation and reduction of the compounds of the formula <FORM:1006340/C2/3> the meta-isomers of which are obtained by reacting 3-benzoylpipyridine with the appropriate Grignard reagent and reducing the resultant a  - (optionally substituted phenyl)-a -phenyl-3-pyridine-methanol
Patent GB-1415675-A (GB)
Title: Bearing assembly
IPC: F16C25/04
Filed: 1972-11-08
Abstract: 1415675 Bearings BUNKER RAMO CORP 8 Nov 1972 [8 Nov 1971] 51601/72 Heading F2A A rotary bearing assembly comprises a shaft 25 mounted on a support structure 24; a rotary member 36, surrounding the shaft 25 and presenting two oppositely facing rotary bearing surfaces 43, 53, each defined by rotating a line which is inclined to the shaft axis 16 about that axis 16; a fixed stationary bearing member 45 attached to the shaft 25 and co-operating with one, 43, of the rotary bearing surfaces; a floating stationary bearing member 55 concentric with the shaft 25; biasing means 61 for loading the floating stationary bearing member 55 along the shaft 25 into engagement with the other rotary bearing surfaces 53 and being attached to the support structure 24 and to the floating stationary bearing member 55 to prevent relative rotation; at least one of each co-operating pair of bearing surfaces 43, 46, 53, 56 being selflubricating. The biasing means may be in the form of an elastomeric cup 61, Fig. 3 or a coil spring 61 plus an 0-ring 158, Fig. 4 (not shown). The angle α of the conical bearing surfaces may be chosen to avoid wedging due to friction. Alternatively the bearing surfaces may be spherical 253/256, Fig. 5 (not shown). In an embodiment, the bearing assembly is applied to an electric fan with known bearings as shown in Fig. 2 (not shown).
Patent GB-1451628-A (GB)
Title: Fluid treatment of fabrics
IPC: D06B3/26
Filed: 1973-11-08
Abstract: 1451628 Winch machine UNITED MERCHANTS & MFRS INC 8 Nov 1973 51793/73 Heading D1L A winch machine for treating textile material comprises a tank 10 containing treatment liquid, a winch roll 15 for supporting a plurality of loops of fabric 50, drive means 23 for driving the winch roll and means including chain assembly 18 with fabric hook 25 and drive motor 24 for forming the fabric loops and conveying them through the treatment liquid, and a guide assembly 2 for sequentially shifting the fabric loops in a direction longitudinal of the winch roll 15, the guide assembly 2 including guide roller 1 and a pair of parallel guide members 3, 3' each of which carries a plurality of transversely extending parallel guide bars 6, and 8, arranged so as to define substantially closed slots through which the fabric loops pass, the whole assembly 2 being reciprocable via pressure cylinders 21, 21' in a direction transverse to the axis of the winch and guide rollers and the guide member 3 being reciprocable in the longitudinal direction of the rollers by means of pressure cylinder 22 to transfer each loop to an adjacent slot.
Patent GB-523029-A (GB)
Abstract: 523,029. Igniting-systems. BRITISH THOMSON-HOUSTON CO., Ltd., and WILKINSON, K. J. R. Dec. 22, 1938, No. 37316. [Class 7 (iv)] On either side of the distributer D are placed a series condenser C and a shunt resistance R. The condenser may have a value between 2000 and 20000 micro-microfarads and the resistance between 300,000 ohms and one megohm.