baber/WOPTO huggingface dataset:
Patent GB-1346356-A (GB)
Title: Chuck for rotatable members
IPC: F16D1/00
Filed: 1971-08-19
Abstract: 1346356 Mounting cores on shafts EASTMAN KODAK CO 19 Aug 1971 [27 Sept 1970] 39076/71 Heading F2U A core 12, 12<SP>1</SP> is held on a shaft 14 by a tapered outer surface 26 at one end and a flexible tapered sleeve 44, 72 at the other end, there being means on the shaft to expand the sleeve to grip the core between the sleeve and the surface 26. The sleeve 44, Fig. 1, may be expanded by rotating a flanged nut 48 on a screw 34 having a stop 54 to limit outward movement of the nut. The sleeve 72, Fig. 5, may be expanded by a spring 96 except when compressed air is admitted to a chamber 94. This may be done by pressing a button 128 which opens two check valves 120, 122. The air may be released by a gentler push on the button 128 opening only the valve 120. The sleeve 44, 72 may be of rubber or nylon and may have slits 42 to increase its flexibility.
Patent GB-867173-A (GB)
Title: Improvements in or relating to the remote ignition of gas burners
IPC: F25B49/04
Filed: 1959-11-18
Abstract: 867,173. Gas burners. ELECTROLUX Ltd. Nov. 18, 1959 [Dec. 23, 1958], No. 39124/59. Classes 75(1 ) and 75(3). An ignition device for a gas burner, for instance of absorption refrigerating apparatus having a valve for regulating gas flow to the ignition device, has two gas flow paths, the first leading to a pilot light for the burner and the second leading to remote ignition means for the pilot light and the remote ignition means including a flash back ignition tube directed towards the second flow path and formed with openings which communicate with the surrounding air and are distributed over the length of the tube for producing an explosive gas-air mixture in the tube for lighting the pilot light by flash back. Gas from a supply line 15 passes to a ball valve 16 press button controlled to by-pass the main gas supply along a conduit 31 to nozzle openings 33 and 34. The opening 34 supplies gas to one end of the ignition tube 25, a light applied to an opening at the other end ignites the gas and the flash back ignites the gas at the nozzle opening 33, the flame from which heats a safety valve 24, which opens. Gas then flows through a thermostatically controlled valve 19, conduit 23 and the safety valve to the burner 35 where the pilot flame at the nozzle opening 33 ignites it. The push button is then released manually or automatically by means such as movement of the ignition tube to close the valve 16. The series of holes 26 in the ignition tube may be circular or slits.
Patent GB-1513556-A (GB)
Title: Manufacture of hydroxyl-containing polymers
IPC: C08F8/00
Filed: 1975-09-25
Abstract: 1513556 Manufacture of hydroxyl containing polymers BASF AG 25 Sept 1975 [26 Sept 1974 (2)] 39264/75 Headings C3P and C3R A hydroxyl group-containing polymer is prepared by hydrolysis of a polymer containing acyloxy group(s) at 10‹ to 200‹ C. in an aqueous solution of a salt also containing an acid catalyst and optionally an alchol. The acid may be HCl, H2SO4, HNO3 or phosphoric acid. In the examples an ethylene-vinyl acetate copolymer is hydrolysed in an aqueous medium containing CaCl2, and HCl with or without n-butanol and polytetrahydrofuran containing acetyl end groups is hydrolysed in an aqueous medium containing NaCl or CaCl2; H2SO4 and n- or iso-butanol, propanol or 3- methyl butanol.
Patent GB-1523322-A (GB)
Title: Dc to ac inverter
IPC: H02J9/06
Filed: 1975-09-26
Abstract: 1523322 Controlling inverters; standby supply systems SIEMENS AG 26 Sept 1975 [27 Sept 1974 8 Oct 1974 24 Feb 1975 8 July 1975 17 July 1975] 39624/75 Headings H2F and H2H A D.C. to A.C. inverter for use in a standby supply system comprises a group of controllable rectifiers 4, a control circuit 9 for supplying firing signals to the rectifiers, a blocking circuit 11, a regulator 10 for supplying control signals to the control circuit and an overall control circuit 12 which enables the regulator to supply the control signals in readiness for operation of the rectifiers 4 and controls the blocking circuit to prevent the conduction of the rectifiers whilst the inverter is in the standby condition. An A.C. supply U N  normally feeds a load 1 via a filter 2 and the circuit 12 holds switches 13, 14 in their indicated positions. A simulator circuit 7 for the inverter is connected to a voltage sensor 6 for a D.C. source 5 and to a load current sensor 8. The circuit 7 provides at its output 28 a load current related voltage of the source 5 with a polarity which the output of the controllable rectifiers 4 would have if the control circuit 12 allowed the unblocking of the circuit 11. The simulated voltage from the circuit 7 is fed via the switch 13 to the regulator 10 which also receives an actual load voltage from a sensor 20 via the switch 14. The regulator 10 controls the circuit 9 so that the simulated voltage and the load voltage are identical in phase and amplitude. If the mains voltage U N  fails or falls below a certain value, the switch 3 is changed over and an input signal fed to a terminal 18 causes the circuit 12 to changeover the switches 13, 14 as well as to unblock AND gates in the blocking circuit 11. An abrupt change in the voltage supplied to the load does not occur in view of the controlling of the circuit 9 by the regulator 10 whilst the inverter was in the standby condition. During the time that the inverter supplies the load, the regulator 10 receives an input from an actual voltage sensor 19 and an input from a desired value voltage source 15. The rectifiers 4 comprise a bridge network of two rectifiers connected in parallel with two quenching rectifiers. Several modified forms of the standby supply system are described including one in which an auxiliary inverter of low power is connected in parallel with the main inverter, the auxiliary inverter rectifiers being triggered whilst the main inverter is in the standby condition. The system may be single phase or three phase.
Patent GB-1479346-A (GB)
Title: Inductive component having a laminated core
IPC: H01F27/26
Filed: 1974-09-11
Abstract: 1479346 Transformers and inductors PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 11 Sept 1974 [14 Sept 1973] 39692/74 Heading HIT A inductive device comprises a coil 5 on a ferromagnetic laminated core 1 which is provided with clamping brackets 9, 11, 13 of a synthetic material such as polycarbonate which is injection-moulded about parts of the core while the stack of laminations is under compression. The core 1 is provided with a hole 15 at each corner which is filled with said synthetic material to form anchor bars 17 integral with the clamping brackets. Mounting legs 19 formed on the clamping brackets are provided with openings 21 to receive self-tapping screws or may be provided with moulded-in nuts or bolts, or moulded-on eyelets or resilient hooks.
Patent GB-981530-A (GB)
Title: Silver polish
IPC: C23F11/16
Filed: 1961-11-07
Abstract: A silver polish comprises (a) 27-77%, preferably 38.5-69%, of a carrier which may be glycerol or a hydrocarbon, but is preferably aqueous, (b) 20-70%, preferably 22-52.5%, of an abrasive, and (c) 0.5-3%, preferably 1-1.5%, of dimethyl, diethyl, diisopropyl or dibutyl thiourea, or mixtures thereof. In addition, 1-10% humectant, 0.01-1% complexing agent, 6-12% soap and 0.5-5% of alkali are also usually present.  A favoured composition consists of 48 parts water, 1.5 parts soda ash, 1.5 parts lauric alkanolamide, 3 parts propylene glycol, 1.5 parts (c), 0.2 parts tetrasodium ethylenediamine tetra-acetate, 9 parts soap, 0.1 parts thiourea, 0.1 parts pigment and 35 parts abrasive which may be charcoal, chalk, rouge, tripoli, pumice, brick, pipe clay, yellow ochre, emery, rotten stone, silica, sand, flint, infusorial earth, or red or white lead, but is preferably a clay wherein at least 95% has a particle size not above 5m , and preferably of about 1.4m , and having a hardness of 8-9 on Moh's scale. U.S.A.  Specifications 2,628,199, 2,691,593 and 2,841,501 are referred to.
Patent GB-963388-A (GB)
Title: Improvements in or relating to wire strands,cores or ropes
Inventor: CAMPBELL ROBERT EDWARD
IPC: D07B7/00
Filed: 1959-06-10
Abstract: 963,388. Drawing. BRITISH ROPES Ltd. Sept. 9, 1960 [June 10, 1959], No. 39878/58. Addition to 794,411. Heading B3P. In a method of drawing non-ferrous wire cables, the cable is drawn through a reducing means while being subjected to back tension at a constant value within the proportional range of the cable. Dimensions are given of a copper cable comprising nine outer wires, nine inner wires and a king wire and having an overall diameter of 0.292 inch which when drawn to an overall diameter of 0.2285 inch had a breaking load of 1880 1b. as compared with 1865 1b. before drawing. The cable was lubricated with saturated soap solution. Details are also given of the application of the method to an aluminium cable. Wires of K-monel and nickelchrome may be similarly treated. Specification 794,412 also is referred to.
Patent GB-943083-A (GB)
Title: Liquid freezing apparatus
IPC: F25C1/14
Filed: 1962-10-23
Abstract: 943,083. Refrigerating; ice making. A. J. ROSS. Oct. 23, 1962 [Dec. 6, 1961], No. 40117/62. Heading F4H. In apparatus for freezing liquids, in which the liquid to be frozen is supplied to one side of a tubular freezing wall forming part of an evaporator, at least two separate passages for refrigerant flow extend along the other side of the freezing wall, the refrigerant in one passage flowing along the freezing wall in the opposite direction to the refrigerant in the other passage to provide substantially uniform cooling of the freezing wall. As shown, Fig. 2, the evaporator 11 is mounted in a chamber C formed by a cylindrical housing 10, and is immersed in the liquid to be frozen. The evaporator comprises the freezing wall 28, and an inner shell 21 having a solid upper end 22 and a flanged base 43, the interior of the shell forming a refrigerant accumulator 41 which is closed at its lower end by a cup-shaped plug 23. The shell 21 is formed with grooves 31a, 31b, 31c, 31d, Fig. 3, on its outer surface, separated by ribs 32, to provide helical refrigerant passages inside the freezing wall 28. Liquid refrigerant from a compressor type refrigeration system, not shown, reaches the evaporator through capillary tubes 18a and 18b, some passing from tube 18a through an inlet 35 into passage 31a, from this passage into passage 31b at 37, and into the accumulator chamber 41 through an outlet 39, and the rest passing from the tube 18b through an inlet 36 into passage 31d, from this passage into passage 31c at 38, and into the accumulator chamber 41 through an outlet 40. Gaseous refrigerant returns to the refrigerant compressor through a tube 19. The shell 21 is made to be an interference fit in the freezing wall 28, to seal the refrigerant passages. Ice is removed from the freezing wall and forced through an outlet 51 by a helical spring type ice remover 12 rotated by a drive unit 13 acting through a connecting sleeve 62 to which the ice remover 12 is fixed by a pin 63. The output shaft 74 of the drive unit 13 is splined to the connecting sleeve, to allow the drive unit to be lifted clear of the housing 10. The supply of liquid to be frozen is controlled by a float valve, not shown, to maintain the liquid level adjacent to top of the evaporator. In another form of the evaporator, Fig. 6, the shell 21 is replaced by helically coiled tubes 131a, 131b, 131c, 131d, arranged to form a passage layout similar to that of Fig. 3, these tubes being maintained in thermal contact with the freezing wall 128 by a soft solder 150 which can be melted by immersing the evaporator in boiling water, so that the wall 128 may be replaced without breaking the refrigerant circuit.
Patent GB-1097168-A (GB)
Title: Novel isoindoline derivatives and a process for the manufacture thereof
IPC: C07D209/44
Filed: 1966-09-09
Abstract: Novel isoindoline derivatives of formula <FORM:1097168/C2/1> and acid addition salts thereof, where S1 and S2 each represent optical substitution by one or more halo, C1- 7 alkyl, C1- 7 alkoxy, hydroxy, sulphonyl, sulphinyl, sulphamyl, C1- 7 alkylmercapto, C1- 7 alkylamino, di(C1- 7 alkyl)-amino, acylamino and/or CF3 substituents, R is C1- 7 alkyl and B is a straight or branched chain C2- 12 alkylene group in which part or all of the carbon atoms may form a 3- to 7-membered carbocylic ring, are prepared by reaction of the diamine H2N-B-NH2 with a diester of formula <FORM:1097168/C2/2> wherein X is halogen, mesyloxy or tosyloxy. which may have been prepared in situ from the corresponding diol.  Pharmaceutical compositions in conventional forms for oral, rectal or parenteral administration comprise an above novel compound and a compatible pharmaceutical carrier and have anti-depressant and anorexigenic activity.
Patent GB-1083253-A (GB)
Title: Improvements in or relating to precast reinforced panels for the production of ferroconcrete ceilings
IPC: E04B5/38
Filed: 1964-10-05
Abstract: 1,083,253. Reinforced concrete slabs. HUTTER & SCHRANTZ A. G. SIEBWARENUND FITZTUCH-FABRIKEN. Oct. 5, 1964 [Oct. 3, 1963], No. 40589/64. Heading E1W. A reinforced concrete slab 11, for use as permanent shuttering for a concrete ceiling, has three generally triangular-sectioned longitudinally standing lattice girders 12 partially embedded therein. The slab has three projections at each end, each housing one end of one of said girders. The slab is bevelled along each longitudinal edge to assist the bonding with adjacent slabs.
Patent GB-986049-A (GB)
Title: Surfactant compositions
IPC: C11D1/831
Filed: 1963-10-15
Abstract: A surfactant composition consists of a mixture of one or more salts of at least one alkyl benzene sulphonic acid derived from an alkylbenzene having an average molecular weight between 240 and 290, and at least one condensation product of an alkyl phenol with alkylene oxide, of the general formula <FORM:0986049/C4-C5/1> where R is an alkyl chain having 8 to 18 carbon atoms inclusive, the mean of n may vary from 24 to 60 inclusive, and R1 is the ethylene or propylene radical.  The cation of the salt is an alkali metal, a Group II metal (except mercury or radium), ammonium or an organic amine, or a mixture thereof, and is preferably the triethanolamine cation.  The preferred condensation product is obtained from octyl or nonyl phenol and ethylene oxide.  The mixture may contain the anionic and the non-ionic surfactants in a ratio varying between 1 : 1 and 10 : 1. Using these mixtures in aqueous solution concentrations of organic matter up to 60% are obtainable.  Examples illustrate the use of mixtures containing triethanolamine derivatives of alkyl benzene sulphonic acids of mean M.W. 240, 246 and 262 (260-270 being preferred), in conjunction with condensates of octyl and nonyl phenol with 30 and 40 molecules of ethylene oxide (30-40 preferred range); the mixtures contain additional triethanolamine for pH adjustment. The Specification disclaims mixtures containing alkylene oxide-alcohol condensates as well as the two specified ingredients.
Patent GB-1366682-A (GB)
Title: Process to prepare antibiotic intermediates
IPC: C07F7/18
Filed: 1971-09-01
Abstract: 1366682 Penicillin and cephalosporin derivatives MERCK & CO Inc 16 March 1972 [30 April 1971 1 Sept 1971 (2) 29 Nov 1971] 13008/71 40813/71 40814/71 and 55232/71 Headings C2P-P2E13 P2E14 P2E18B P2E26A P2E26B P2E26E P2E19B P2E19E P1L1 P7 PA and PB Novel penicillin and cephalosporin compounds having the general Formula (I) wherein Z is the group R 1  is hydrogen, C 1-6  alkyl, C 1-6  alkoxy, C 1-6  alkylthio, C 1-6  alkanoyl, C 1-6  haloalkyl, C 1-6  haloalkylthio, halo, C 1-6  haloalkoxy, C 1-6  alkanoyloxy, C 1-6  α-hydroxyalkyl, #-substituted ethyl, allyl, benzyl nitroso, carbamoyl, C 1-6  alkoxycarbonyl, sulpho, sulphamoyl, C 1-6  alkylsulpho, phospho, nitro, carboxy, dithiocarboxy, carbobenzoxy or dimethylaminomethyl; M is benzyl, benzhydryl, trimethylsilyl, trichloroethyl, methoxymethyl, benzoylmethyl or methoxybenzyl; A is hydrogen, halogen, hydroxy, mercapto, cyano, C 1-6  alkanoyloxy, C 1-6  alkanoylthio, aroyloxy, aroylthio, heteroaryloxy or heteroarylthio in which the hetero ring has 5-6 members including 1, 2 or 3 S, N and/or O atoms, azide, amino, substituted amino, carbamoyloxy, alkoxy, alkylthio, carbamoylthio, thiocarbamoyloxy, N-(C 1-6  alkyl) carbamoyloxy, N-(C 1  -6  alkyl) thiocarbamoyloxy, N,N-di-(C 1-6  alkyl) carbamoyloxy, N,N-di-(C 1-6  alkyl)-thio carbamoyloxy, alkanoylcarbamoyloxy, quaternary ammonium, hydroxyphenyl, sulphamoyloxy, alkylsulphonyloxy, or (cis-1,2-epoxypropyl) phosphono; and each of G, K and J is a hydrogen atom or a nitro, methylsulphonyl, esterified or amidified carboxy or cyano group, provided that at least one of G, K and J is methylsulphonyl, esterified or amidified carboxy or cyano when Z completes a penam ring; are prepared by reacting an aromatic aldehyde of Formula with an appropriate 6-amino-penicillanic acid or 7-amino-cephalosporanic acid derivative to produce the aforesaid compounds (I) in which R 1  is hydrogen, and subsequently if desired or necessary reacting the compound (I) in which R 1  is hydrogen with an activating agent (i.e. an organic or inorganic base such as a trialkylamine, pyridine, sodium hydride or a lithium alkyl or aryl) and then with a compound capable of providing the desired R 1  group. Such compounds include alkyl sulphates and halides, alkanoyl halides, alkylperoxides, methyl phenyl sulphenate, o-methyldimethyl sulphoxonium methosulphate, N-methoxypyridinium methosulphate, alkyl disulphides and haloalkylsulphides, molecular halogen, an aldehyde or ketone, CO 2  CS 2  and other R 1 -providing groups.  If desired the compounds (I) may be reacted  with an amine in the presence of an acid to give compounds of Formula.
Patent GB-1190866-A (GB)
Title: A Precorded Set for Cording of Rails for Curtains and Drapes
Inventor: BASCH MORDECHAY
IPC: A47H5/032
Filed: 1968-08-27
Abstract: 1,190,866. Suspending curtains. M. BASCH. 27 Aug., 1968, No. 40854/68. Heading A4B. A set for cording a curtain rail comprises a short piece of railing 6 disposed between a pair of pulley assemblies 1, 2 and supporting a pair of master gliders 3, 4, and a cord 5 operatively engaged with the gliders 3, 4 and with the pulley assemblies 1, 2. The railing 6 has the same profile as the rail 7 so that the gliders 3, 4 may be slid directly into the track 8 of the rail 7 when the latter is interposed between one pulley assembly 2 and the railing 6. The railing 6 is then discarded and the other pulley assembly 1 is located at the end of the rail 7.
Patent GB-899255-A (GB)
Title: A gas turbine plant
IPC: F02C1/00
Filed: 1958-12-19
Abstract: 899,255. Gas turbine plant. MIKULA, I. Dec. 19, 1958 [Dec. 21, 1957], No. 41065/58. Class 110 (3). [Also in Group XIII] In a gas turbine plant operating on an open cycle wherein heat is introduced into the cycle at a point downstream of the turbine, the heating of the driving medium to the admission temperature of the turbine is effected by a high temperature recuperation heater which comprises at least a first heat-exchange section for the combustion products containing the combustion chamber or coupled with the combustion chamber and arranged downstream of the turbine and at least a second heat-exchange section for the driving medium introduced upstream of the turbine, the first and second heat exchange sections being coupled together by means of a closed heat carrying circuit for a suitable liquid or molten salt circulated by a pump. Air after compression by a compressor 6 is heated before admission to the turbine 5 by means of a high temperature recuperation heater consisting of a heat-exchange section 1 heated by combustion products from a combustion chamber fed with combustion air by the turbine 5 and a heat-exchange section 2 which heats the air. The combustion chamber may consist of the actual combustion chamber and a turbulent cooling chamber. The exhaust from the section 1 may be used to dry fuel or introduced into the combustion chamber of a steam generator. The heat is transferred from the heat exchange section 1 to the heat exchange section 2 by means of a suitable liquid metal or molten salt circulated in the circuit 3 by a pump 4. Suitable metals are sodium or eutectic 56% sodium and the remainder potassium. The combustion products from industrial furnaces or a steam generator may be used to heat the heat exchange section 1. The tubes of this section may be made of aluminium-iron alloy. The active part of the heat-exchange section 2 may be enclosed in a pressure vessel so that it is not exposed to pressure stresses. A compensation chamber may be built into the circuit 3 which chamber acts as a storage container and a melting chamber which may be heated by an independent liquid fuel burner on starting. The recuperation heater may be used for reheating the working medium between the individual expansion stages of the turbine or between groups of stages or between individual turbines connected in series. Specifications 578,686, 724,176, 732,778, 733,476 and 733,483 are referred to.
Patent GB-1129383-A (GB)
Title: Improvements in or relating to surface testing apparatus
Inventor: REASON RICHARD EDMUND
IPC: G01B7/34
Filed: 1966-09-15
Abstract: 1,129,383. Surface Testing. RANK ORGANISATION Ltd. Aug. 30, 1967, [Sept. 15, 1966], No.41223/66. Heading G1N. A stylus 33, Fig. 1, is traversed in an arcuate path over a test surface on a worktable 12, the stylus being mounted on a pick-up head 15 which moves, with a frame 13, about an axis 14 on ligament hinges 23 to produce the arcuate movement. The frame 13 has an arm 34 which is attached to a nut (37, Fig. 3, not shown) on a motor-driven lead screw (38) to swing the frame on its hinges. The pickup 15 is vertically adjustable by a micrometer 28 and slides on roller bearings 31 on the vertical face 26 of the frame 13 against which it is held by a spring 32. The stylus is connected to a transducer comprising two E cores (75, Fig. 6, not shown), two armatures (77) attached to the stylus-carrying rod (71), and two differentially connected coils (75) on the E cores. The E cores are carried on a structure supported by leaf springs (78) which hold the cores in the normal operating position but deflect to prevent damage to the transducer if excessive stylus deflection occurs. The worktable is adjustable and tiltable in all directions over a limited range, and has a three point support comprising a fixed stud 43 situated below the stylus (in its mid-traverse position), and two adjustable screws 44 (and 45, Fig. 5 not shown). The first screw is adjustable, by a thumb wheel (54), in a bush (44) and is connected (at 51) to the second screw so that the table is tilted about a first axis parallel to the line joining these screws when the wheel (54) is turned. The second screw (56) engages a threaded sleeve (57) itself connected by a thread of different pitch to a bush (58), and carries a second thumbwheel (59) which thus adjusts the axial position of screw (45) only, and not screw (44), thereby tilting the table about an axis different from the first axis. The lateral position of the table is adjusted by micrometers (62), (63). The arcuate position of the pickup 15 is indicated by a meter (40, Fig. 2, not shown) attached to a projection 39 on the frame 13. A microscope 83 is provided to view the surface under test, which may be that of a very small sample, or of a coating thereon.
Patent GB-1480712-A (GB)
Title: Process for the preparation of concentrated solutions of anionic dyestuffs
IPC: C09B41/00
Filed: 1975-10-08
Abstract: 1480712 Concentrated solutions of anionic dyestuffs BAYER AG 8 Oct 1975 [29 Oct 1974] 41246/75 Heading DIB [Also in Division C4]  Natural and synthetic fibre materials, such as wool, silk, leather, polyamides and cellulose especially paper are dyed with 10-50% aqueous or aqueous-organic solutions of anionic dyestuffs, which are substantially free from electrolyte. Preferred dyestuff cations are lithium, ammonium or at least one organic base. Examples of dyestuffs given are azo, stilbene-azo and anthraquinone dyes.